Production of polypropylene pipes and necessary equipment for production. Your own business: production and sale of plastic pipes Small business selling polyethylene pipes

The products are lightweight, durable and high-strength polyvinyl chloride products that are not susceptible to corrosion and acidic environments. They are fireproof, environmentally friendly, and very easy and quick to install.

These pipes can be used almost everywhere: for draining sewage, supplying drinking water, in drainage and cable systems, etc.

Required equipment

To organize the production of PVC pipes, the following minimum set of equipment is required:

1. Bunker.
2. Extruder.
3. Baths where the product is cooled and calibrated.
4. Pulling device.
5. Cutting mechanism (guillotine shears, disc cutters).
6. Additional devices and accessories.

The cost of an extrusion line depends on its functionality and productivity. For example, from the same manufacturer there are models that cost 1,430,000 rubles (LPT 35 - 3/40) and 7,455,000 rubles (LPT 125 - 160/450). The cost depends on the specific productivity and degree of automation.

If we consider the issue of purchasing used equipment, then you can purchase a line for 500,000 rubles. However, such savings may lead to additional difficulties with repairs and adjustments.

WITH detailed description extrusion line you can find in the section equipment for the production of PVC pipes.

An example of organizing a business for the production of PVC pipes.

Let us consider, as an example, the organization of production on an LPT 63 20x110 extrusion line. Its purchase will cost 1,720,000 rubles

Delivery and commissioning will range from 3% to 5% of the cost of the line (from 50,000 rubles).

In our case, the equipment will be exclusively engaged in the production of PVC sewer pipes 50x1.8 mm (weight of one meter - 0.6 kg).

According to the technical specifications, the extruder productivity can reach 80 kg/h. This means that with uninterrupted operation of the equipment, you can get 133 linear meters per hour (productivity \ weight of the product). Thus, the monthly “performance” of the line at full load will be equal to 95,760 linear meters. Let's assume that the equipment operates in two shifts with one day off. In this case, its productivity will be in the region of 51,100 linear meters/month. (i.e. 54% load)

To operate in this mode, a minimum of 34 tons of raw materials (80 kg/h x 16 hours x 26 days) per month is required. Let's assume that PVC SG-5 will be used made in China, its average cost is 44 rubles / kg.

Thus, the cost of raw materials will be approximately 1,496,000 rubles per month.

Regarding personnel, we will proceed from the fact that two people work on each shift - an operator and an assistant. Their salary, of course, is determined on an individual basis. To begin with, let it be 15,000 rubles per person, a total of 60,000 rubles for four per month.

If you take 45 rubles for one linear meter of finished products, you get a gross income of around 2,300,000 rubles per month. The monthly profit in this case will be 744,000 rubles (2,300,000 - 1,496,000 - 60,000) without taking into account the costs of rent, utilities and other organizational expenses.

conclusions

To organize the production of PVC pipes with a capacity of 100 thousand linear meters per month, a starting capital of at least 4.5 million rubles is required. This includes the cost of the line (1,800,000 rubles plus delivery costs), its maintenance and personnel training (from 50,000 rubles), the cost of raw materials (2,000,000 rubles), repairs and preparation of the premises (500,000 rubles), other expenses (RUB 200,000).

The payback period depends, first of all, on the degree of equipment utilization, so with 50% equipment utilization, the payback period will be 10 -12 months.

Production plastic pipes: 7 product advantages + 9 areas of application + procedure + market and industry analysis + 4 main types of products + raw materials + 6 suppliers + technology + premises and equipment + staff + sales + cost items + possible profit.

Last years The attention of many entrepreneurs is attracted by the production of plastic pipes. Companies open their own workshops where they produce PVC products.

What is the reason for its popularity? In improving production, growing demand and widespread use of polymer, cylindrical products. Due to the emergence of more and more new players in the market, fierce competition has formed.

But by offering a high-quality product at an attractive price for customers, you can bypass many of them.

Why make pipes from plastic?

Plastic production will bring a stable profit to the business owner. Plastic is a material that, since 2010, has been considered superior to others in construction and other fields.

This boom was caused by its convenience and practicality, minimal resource consumption and other performance characteristics. Pipes made from plastic also have a number of advantages, which to this day make these products in demand on the market.

Plastic cylindrical products are also characterized by:

• resistance to high temperature (maximum 170°C), rotting, dynamic loads, abrasion;
• light weight;
• fire safety and safety for drinking water supply;
• seismic resistance;
• flexibility;
• economical operation.

Although the fashion trends for plastic have slowed down a bit, pipes made from this material are still being sold successfully. This is one of the reasons that the business of their production has good returns and is promising.

Excellent sales volumes are also influenced by the widespread use of plastic pipes. The list is really large, but we will list the main areas.

• sewer systems;
• water pipes;
• cable channels;
• heating;
• transportation of liquids in industrial production;
• intra-house networks;
• drainage systems;
• installation of watering and irrigation systems;
• gas distribution, etc.

The future entrepreneur will have difficulties when entering the market, since there is a lot of competition in this area. However, this should not “discourage” such activities as the production of plastic pipes.

If you produce a wide range of products good quality at an attractive price, and are ready to fight for end consumers, using available resources and proactive strategies, gaining a strong position will become an achievable goal.

Procedure for starting a plastic pipe production

As in any entrepreneurial activity, first of all you need to do something, which will become your guide to action, help you avoid many mistakes and indicate what financial support is needed to start production.

Before writing it, the entrepreneur should already have ideas about the plastic pipe market and the competitive environment, which are formed during the analysis (we will return to this in more detail). Of course, you will have to delve into the production technology, think about where and how you will buy raw materials and equipment.

No less important is the issue of labor resources and production areas, formation of assortment. In addition, the production of plastic pipes requires registration and the choice of a tax regime.

Because pipe production occurs with, it is classified as harmful. Therefore, it is necessary to comply with international law regarding the care of environment, ensure her safety.

All types of products must also have certificates of conformity. The company must implement a Quality and Environmental Policy.

1. Analysis of the market and the polymer pipe industry.

The Russian market for plastic pipes is to some extent limited and narrowed in volume due to a lack of raw materials and final demand. The problem is counterfeit goods and savings on production costs.

In 2016, sales of plastic pipes had stable dynamics. If compared with 2014, it will be negative.

The volume of consumption remained at the level of 425 thousand tons. Enterprises that updated and expanded production capacity, produced more plastic products, and although consumption increased by 2016, supply exceeded demand.

The production of pressure plastic pipes predominated (60%), non-pressure pipes were produced least of all (19%), and corrugated products accounted for 21%. At the same time, record supplies of domestic raw materials (75 thousand tons of polypropylene of various types) became an incentive to increase production.

There is a tendency for foreign companies involved in the supply of pipes to be squeezed out of the market. In this industry, the consumption level of polyethylene pipes exceeded 62%.

The main production facilities are involved in the production of large-diameter PE pipes intended for use in water supply and gas distribution. There is the toughest competition here and there is practically no import.

In 2016, there was a decrease in import supplies of equipment used in the production of plastic pipes. China remains the main supplier. It provides Russia with 70% automatic lines.

The main issue for plastic pipe manufacturers is the supply of raw materials. Moreover, few pipe business owners are confident that a decrease in the price of raw materials will increase the production of plastic pipes.

By 2020, production volumes of polypropylene and polyethylene are expected to increase by 30%.

The competition is:

• Cheboksary Pipe Plant;
• Polymer piping systems;
• Polyplastic Group;
• Techstroy;
• About Aqua;
• Politek;
• PC Contour;
• Hemcor;
• Pieplough et al.

In general, the production of polymer pipes in Russia can be called oligopolistic, since the main part of the market is occupied by 8 large enterprises. And although these positions are only becoming stronger, conditions are being created for small and medium-sized companies to actively develop their business.

Production efficiency is achieved through the use of new technologies, the introduction of innovations, and the production of unique plastic products. This creates the need to purchase expensive equipment.

The reform of the housing and communal services sector and the modernization of infrastructure have a great influence on the development of the market.

2. Type of plastic pipes: what products to produce?

To decide on the assortment that an entrepreneur will produce and sell, you should understand the types of plastic pipes:

PE pipes They transport water well for drinking and household needs, and are used for drainage. Such products are produced with a length of at least 12 m and a diameter of 1.6-16 cm. Products can be found under the brands PE 63, 80, 100, 100...etc.

The production of polyethylene pipes has its own characteristics:

• use of advanced technologies,
• lower cost,
• less expensive packaging.

The degree of polymerization allows the production of products of different pressures.

PVC pipes are produced in a non-pressure type, they are not afraid of low temperatures and other climatic changes, and are durable. These items are intended for the installation of underground pipelines, sewage systems, and the removal of gaseous media whose temperature does not exceed 45°C.

Also used in construction because... have good economic performance. Their diameter is 11-63 cm, and their length is up to 12 m. They are painted white and orange.

Polypropylene products thanks to its multi-layered nature and high class hardness copes well with the supply of drinking water. PP is also purchased for modernizing the heating system and technological installations. The diameter range is 2-11 cm. They are supplied in lengths from 2 to 4 m.

Metal-plastic pipes are considered the best option for home use,
because they are easy to install. However, with mechanical deformation, PP quickly breaks, and the connecting elements are not resistant to high temperature changes in water.

The color of the products indicates their area of ​​application. Yes, products of blue color serves to supply cold water. White pipes are needed in the installation of hot pipelines and heating. Products with a red color are used for laying heated floors. Yellow pipes are used in gas supply.

The cost of pipes depends on their parameters, i.e. on thickness, diameter, length, layering. In addition, the pricing policy is formed based on technical characteristics products (pressure and temperature of the environment that it can withstand).

The most popular are polyethylene pipes of grades 80, 63 and 100. Prices range from 15 to 860 rubles.

3. What raw materials are purchased for the production of plastic pipes?

In order for the production of polymer pipes to be carried out without problems, it is necessary to worry about the supply of raw materials. In the future, polymer supplies should occur regularly.

Used as raw material:

• polybutylene (PB),
• polyethylene (PE),
• polyvinchloride (PVC),
• polyamide (PA),
• polypropylene (PP) and other propylenes.

Raw materials are purchased in the primary grade in granulated form.

The type of production will influence the choice of raw materials. When purchasing it, pay attention to expiration date and quality. The most commonly purchased copolymer is polypropylene. This composite allows for the production of durable products.

The backup option is secondary raw materials, also known as waste. This will make plastic pipes. low pressure, which stand for HDPE.

At the stage of preparing production for launch, the workshop owner must find suppliers. You can sign supply agreements both with Russian enterprises engaged in the production of polymers and with foreign ones. The price for domestic primary raw materials is up to 80 rubles/kg, prices for secondary materials are from 30 to 40 rubles/kg.

List of leading Russian manufacturers of polymer granules for plastic pipes:

• Polyplastic— produces recycled polyethylene and other polymer materials at an affordable price.
• Roekoplast– a company producing LDPE and HDPE granules.
• Polymer Club– carries out the production of raw materials for the manufacture of pipes, packaging, films, etc.
• AST Promplast– produces and sells LDPE granules.
• GlavTehProm– is a trading and production company in the field of polymers, rubber goods, and ATI.
• TD Plastics Group– supplier and manufacturer of synthetic polymers.

Production technology: how to make plastic pipes?

The production of plastic pipes is carried out using relatively simple technology. The principle of extrusion is used, when softened plastic is special equipment– extruder – pipes of the required shape are extruded.

The production process begins with loading raw material granules into the machine hopper. It crushes and liquefies the plastic. The formed mass is squeezed into tanks.

The plastic blanks are immediately given the required shape. They are then pulled out and dipped into a cooling tank, where, through pressure and calibration, the “semi-finished products” are processed and given a finished appearance.

The last stage of production consists of cutting plastic products. They are twisted in coils or stacked if they have a large diameter.

Location of an enterprise for the production of polymer pipes

You will need to rent a room outside the city with an area of ​​40-200 square meters. m. It is necessary that convenient transport access be provided to the workshop. There are no increased power requirements.

Be sure to allocate a large space for storage. A room for personnel (production, administrative) and a bathroom are also required.

In addition, the room must have:

• water supply,
• sewerage,
• ventilation,
• heating,
• fire protection system.

Rent a room with high ceilings. This is due to the bulkiness and height of the machines. High humidity is not allowed in the workshop. Therefore, it is better to buy a hygrometer and monitor this parameter.

Equipment for plastic pipes – we equip production.

To produce plastic pipe products, an entrepreneur must automate the production process by means, the main one of which will be an extruder.

This is a machine designed for plasticization, and it comes in various types.

Screw They work on the principle of a meat grinder. Screwless The devices are used for the production of plastic pipe products from mixed raw materials. Combined The machines are equipped with both disk and screw mechanisms.

Typically, in the production of plastic pipes, screw-type equipment is used; it is considered the simplest, and also has its own classification:

To figure out which extruder is needed in your case, it is better to contact a specialist.

Or you can buy an automated line for production, which will consist of the following elements:

Equipment for plastic pipes is purchased from Russian suppliers, as well as imported. Those who have a limited budget have the opportunity to purchase used machines. The prices for new cars are considerable - from 2 to 4.5 million rubles.

Personnel of the enterprise for the production of plastic pipes

To participate in production, 3 workers (shift) will be required. This is an operator, technologist and assistant. A technologist is entitled to a salary of at least 50 thousand rubles, and an operator – up to 30 thousand rubles.

Regardless of whether they have experience working with such equipment or not, instruction must be provided.

If you yourself cannot control the production process, you will still need to hire a manager. IN mandatory The company must have an accountant and a sales manager. It is advisable to hire a cleaner.

If you intend to install standard equipment, and increase production volumes, it may be necessary to increase staffing to 6 people per shift.

If you plan to provide production with transport logistics, you should consider that this additional expenses, and special requirements are imposed on vehicles.

Having formed a team, it also needs to be retained. To do this, it is necessary to create a healthy psychological climate in him, introduce, provide normal conditions labor, social guarantees.

It is important to motivate employees with rewards, which will help achieve their goals in a shorter time.

Sales of plastic pipes

If you do not pay serious attention to product sales and do not think about it in advance, the production of plastic pipes will become unprofitable. It is necessary to make a lot of effort to find your clients, wholesale customers and conclude profitable contracts with them.

You need to offer plastic products:

• construction bases and shops;
• to private individuals;
• various companies;
• Housing and communal services, etc.

We will have to develop all kinds of discounts, make special offers, and hold promotions. To position your brand, don’t skimp on advertising. Use methods available in the real environment (media, television, radio, outdoor advertising, distribution of leaflets, etc.) and on the Internet.

Creating your own website will be an excellent solution, because this way you will expand your audience and give customers the opportunity to order pipes online.

The production process of polymer pipes.

What properties do polymer pipes have?
Equipment for the production of.

How much can you earn in the production of plastic pipes?

First, let's decide on the investments needed to get started. The minimum amount will be 2 million 260 thousand rubles. For a large enterprise you need to have 8-9 million rubles.

Expenditure:

• registration, obtaining permits – from 15 thousand rubles;
• rent – ​​from 50 thousand rubles;
• taxes – from 20 thousand rubles;
• utilities - from 30 thousand rubles;
• equipment – ​​2-4.5 million rubles;
• raw materials - from 200 thousand rubles;
• Payroll – from 250 thousand rubles;
• advertising – from 55 thousand rubles.

Profit will depend on the type and characteristics of the plastic products produced and pricing policy. In general, it is quite possible to count on 300-400 thousand net profit per month. Profitability reaches 18%, and costs will pay off within 2-3 years.

With the right approach to activity planning, market analysis, and the purchase of high-quality raw materials and equipment, the production of plastic pipes will become a profitable business area.

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Over the past few years, the production of plastic pipes has significantly improved and expanded in scale. All more companies open their own workshops for the production of these products.

The popularity of plastic pipe production is due to their widespread use. After all, these products are used for the construction of sewerage, heating systems, for gas and water supply. This is far from full list all possible areas of application of plastic pipes.

Due to such popularity of products on Russian market There is considerable competition among manufacturers. Therefore, manufacturing technology is constantly being improved. And in order to beat competitors, it is necessary to produce high-quality products at an attractive price for customers.

Manufacturing technology

The manufacturing technology of plastic pipes is simple and does not require careful study. But, before considering it, let's discuss the advantages of this product. Firstly, plastic pipes have a durable composition that will never rust or rot. The maximum withstand temperature reaches +170 degrees C. Unlike metal, there are no lime deposits on plastic.

Shelf life at correct operation is approximately 50 years. As you can see, there are many advantages. But let's get back to manufacturing. The production of plastic pipes is based on so-called extrusion. That is, the product itself is created by extrusion from molten raw materials. Production begins with the fact that the raw materials are poured into the extruder receiver hopper, where, using high temperature the material melts.

After which the resulting mass enters the forming sector. There, the future parameters of the pipe are determined. Next, the product is cooled in a special bath. The calibrating mold completes the design formation stage. At the very last moment, the finished pipes are cut and laid.

Necessary equipment

The necessary equipment for the production of plastic pipes depends on the type of production required. One of the main devices is an extruder. It comes in several types, namely: screwless, screw and combined. The process of an extruder can be compared to a juicer. When the raw material enters it, it is completely crushed (melted).

The screwless device is equipped with a disk, where the main part of the work takes place. This type The extruder can process mixed materials. But, as statistics show, such an opportunity is useless in production. Therefore, screw extruders are most often used.

The full production cycle additionally requires the use of certain devices, such as a transport belt, a raw material supply system, a mixer, a pulling apparatus, a vacuum molder and storage tank, baths for calibrating and cooling the laying pipe, and a pipe cutting machine.

Each of these devices has its own personal performance indicators, which determine the speed of operation. The cost of a complete set of devices varies greatly depending on the exact characteristics of the individual devices. According to the latest data, all equipment for the production of plastic pipes costs 400 thousand rubles (this is the lowest price).

Raw materials

The production of plastic pipes can occur using various types of raw materials. The most commonly used polymers (both high and low pressure), polybutene, polypropylene, polyvinyl chloride, etc. The choice of raw materials depends on the chosen type of production. When selecting materials, it is important to pay attention to quality and shelf life.

This is especially true for polymers. Polypropylene, as well as polyethylene, have a long shelf life (which is what attracts most manufacturers). The cost of raw materials depends on the quality and type. For example, polypropylene costs 50-70 rubles per kg. Polyethylene is a cheaper raw material - 32 rubles per kg. As a rule, at the stage of purchasing equipment, the main type of materials used should already be selected.

Selecting a room

There are no special requirements for choosing a room. The main thing is that the machine for the production of plastic pipes and other things fit necessary equipment. Of course, do not forget about a special room for working personnel. The building must also have a bathroom and storage area. It is prohibited to build such factories in the city. For trucks It is necessary to organize convenient entry. Depending on the amount of equipment, the building area should be from 40 to 200 square meters.

Staff

A plastic pipe production line must be operated by at least three workers. The list of personnel includes a technologist, an operator and an assistant. If workers have never encountered such equipment, they need to be given precise instructions on all machines. At first, you may need to control everything yourself.

As a rule, a technologist receives 50 thousand rubles, an operator – 25-30 thousand rubles. But depending on the load and location, the numbers will change. Also, do not forget that you will need to hire several work groups who will work in shifts. Each of them must appoint its own leader. This will make it easier for you to manage your staff.

Documentation

The production of plastic pipes requires permission from a number of government agencies. If you have additional funds, you can use the services of specialized companies that help in collecting necessary documents. Permission must be obtained from Gosnadzorohrantruda, fire inspection, gas service, sanitary and epidemiological station, local executive authorities.

In addition to the documents, there are a number of rules for transporting and storing plastic products. The conditions are established in accordance with GOST 18599-2001. Transporting finished products is permitted only in closed transport. The pipes themselves must be completely placed in protective packaging and equipped with plugs. During transportation, it is not allowed to transport pipes longer than 5.5 meters and weighing more than 1.25 tons (including packaging).

Plastic pipes are a popular product that is widely used in construction, agriculture and water supply. The demand for them has been and remains high today. At the same time, their production technology is quite simple and accessible for a startup to implement. Today we’ll look at a business idea for manufacturing plastic pipes.

A few words about technology and raw materials

Plastic pipes are made from various materials (PVC, polybutene, polymers), but the process of their creation is simple and does not pollute the environment. Pipes are produced by extrusion, that is, extrusion from molten plastic.

There are several types of extruder:

• Screw.
• Combined.
• Screwless.

The first option resembles a meat grinder in its operation. The screwless one operates with a disk, while the combined one combines the principle of the two types listed above. Study the specialized literature in detail and talk to experts to choose best option for your business.

Operating procedure

Pipe production is divided into stages:

1. Introduction of raw materials into the receiving hopper: plastic granules, which begin to melt at high temperatures.
2. The newly formed composition is passed through the extruder head, taking on the shape and dimensions specified by the manufacturer.
3. The pipe enters the container pulling machine. High pressure ensures final processing - giving shape and diameter.
4. Pipes are cut, stacked or wound into coils.

Equipment and production

To organize the plant’s workflow, you will need to purchase:

• Extruder.
• Slicing unit.
• Apparatus for transporting raw materials.
• Container for calibration and cooling.
• Mixer.
• Pulling device.
• Conveyor.
• Former with vacuum installation.
• Storage and stackers.

The productivity of the workshop depends on the characteristics of the pipes (diameter). The average is 1000 meters of pipes/shift. The indicator may vary depending on the characteristics of the equipment. Check the information in advance before purchasing units.

The raw materials for making pipes are plastic granular polymers. Choose the source material responsibly and pay attention to its expiration date. To produce quality pipes, use propylene copolymer, polypropylene or polyethylene. These are high-quality raw materials at a low price.

Advice! When changing raw materials, you need to change the equipment settings. To avoid wasting time, purchase several lines or initially determine the working material.

Premises and staff

The plant is located outside the city on an area with free access. The equipment occupies from 40 to 200 sq. m of area, the rest of the premises is intended for staff (locker rooms, kitchens, bathrooms), storage of finished products and raw materials.

The staff of one shift includes the following positions:

• Technologist.
• Support workers.
• Production line operators.

Decor

To operate an enterprise, you need to obtain permission from the gas service, fire safety inspection, Gosnadzorohrantruda, and SES. Study the rules for storing finished products and other organizational issues so that in the future there will be no problems with executive authorities.

Rough calculations show that the investment for the purchase of used equipment and the purchase of raw materials in the amount of 100 tons is 8-9 million rubles. The calculations include rent for the premises for a period of six months. Business profitability varies between 2-20%, which is due to competition. The payback period of the project is 1.5-2 years.

Search for buyers based on the demand for the product. These can be utilities, wholesale and retail stores. Send a business proposal to construction companies.

Eventually

Before opening a business, immediately make a list of potential buyers and study the market in your region. There are often problems with implementation. This approach will help prevent a negative development scenario and determine in advance the feasibility of production.

Polyvinyl chloride (PVC) pipes today are widely used in various sectors of the economy, mostly, of course, in construction. This type of pipe has replaced metal pipes and is increasingly pushing them out of the market. It is not surprising that today more and more people are investing in the development of this business. The main cost item is the plastic pipe production line, but high performance and low cost consumables quickly recoup the investment.

Plastic pipes are suitable for: water supply, sewerage and heating

The high demand for plastic pipes is due to a number of distinctive characteristics:

• they are not subject to corrosion;
• lightweight – 5-7 times lighter than metal analogues;
• not affected by high and low temperatures;
• limescale is not deposited on them;
• long service life - up to 50 years;
• they do not affect the taste of the water.

Such quality advantages allow the use of pipes in heating and sewer systems, water supply and gas systems.

Plastic pipe manufacturing technology

The process of producing PVC pipes is quite simple; it will require raw materials - granular polymers and a PVC pipe production line. One of the best materials is polypropylene copolymer. Using an extruder, the granules are melted under high temperature. The polymer mass is extruded using the forming head of a screw extruder. The operating principle of this mechanism resembles a meat grinder. This is the initial stage of molding, which is followed by the process of drawing the workpiece and its further cooling. In special baths, the workpiece is exposed to high pressure goes through the final molding process using a calibrating device. The dimensions for molding are set automatically before the process begins. The final stage in the production of plastic pipes is their cutting and laying.

Mechanisms that make up a production machine

The assembled line is a collection of units and components with a total length of 18 to 60 meters. All elements are interconnected and sequentially perform technological processes. Manual labor is used at the stages of loading raw materials and receiving finished products, as well as for debugging automated systems of the line for the production of plastic PVC pipes.

Production line composition:

Pulling device

• bunker for raw materials;
• pipe head;
• baths;
• cutting unit;
• other additional devices and accessories.

A hopper is a container with a dispenser into which the raw materials are placed. Often the hopper is replaced with a funnel, and the raw materials are weighed separately, manually.

The extruder consists of a vertical gearbox with a thrust bearing, an electric motor, a plasticizing cylinder, a barrier screw, and an electrical cabinet with an automated control system. Characteristics:

• dimensions – 1900*1400*900;
• weight – 950 kg;
• productivity – 30 – 75 kg/h;
• power – 30 kW.

Extruder for making PVC pipes

The pipe head includes two thermal control zones and is intended for the initial formation of the diameter of the future product - from 16 to 63 mm. It will additionally require matrices of the appropriate caliber.

Baths for cooling – one vacuum-water, the second water. Bathtubs are made of stainless steel, filled with water, equipped with water and vacuum pumps. The length of each bath is 4 m.

The pulling device of the line for the production of plastic pipes is a single frame with a movable and stationary traverse. This unit is equipped with a meter counter and a cutting device. The cut is carried out with a roller according to the diameter of the pipe. The pulling mechanism is driven by pneumatics; it is possible to regulate the pulling speed - from 1 m/min to 5 m/min.

If the production involves the production of soft products from polyethylene, then the line is supplemented with a winder. The coil is installed, its diameter is adjusted as needed, and the winding process is carried out using a pneumatic cylinder.

Manufacturing of corrugated pipes

The corrugated pipe has a relief surface, which in longitudinal section resembles a ridge. This type of plastic pipes is widely used in construction for carrying out engineering systems - sewerage, water supply, electrical, ventilation. The advantages of this type of product are versatility of use, lightness and compactness during transportation, plasticity, and low cost. The manufacturing process is similar to the technology of ordinary plastic pipe and is carried out using a corrugated pipe production line. This line has been supplemented special device- a corrugator, it sets the general nature of production. The corrugator is located near the extruder head and consists of two halves with a channel for the flow of cooling water; at the working area, both halves merge, forming a closed space.

The workpiece from the extruder enters the working space, where under air pressure it is pressed against the surfaces and hardens, and a certain shape is set - a corrugation. Next, the pipe is ready for winding. Unlike the PVC pipe production line, baths are omitted here; cooling occurs in a corrugator. Main characteristics of the line:

• dimensions – 9*1.9*2.5 m;
• power – 65 kW;
• weight – 2.5 t;
• speed – 1 – 12 m/min;
• productivity – 60 – 80 kg/h;
• diameter of the finished product – 16 -63 mm;
• cost – 2,800,000 rubles.

Profitability of plastic pipe production

Calculation of production profitability will be considered using the example of manufacturing PVC pipes 50 * 1.8 mm, weighing one meter - 0.6 kg.

Technical feasibility line - production 80 kg/h, which will be 133 m/h. Provided that the equipment is fully loaded, 95,760 m3 will be produced per month. This will require 34 tons of raw materials, the price per 1 kg will be 44 rubles (SG-5 brand, China), which for the monthly norm will be 1,496,000 rubles. The salary for four workers, two per shift, will be 70 thousand rubles. Products can be sold at a price of 50 rubles per 1 m2 - with full sales of monthly output, the revenue will be 2,300,000 rubles - net profit - 750 thousand rubles. This amount will be reduced by the amount of rental premises, utility bills, transport and organizational expenses - approximately 200 thousand. There remain 550 thousand rubles, which will cover capital investments monthly. With a starting capital of 4,500,000 rubles for the purchase of a line for the production of plastic pipes, the payback period will be 12-18 months. To do this, it will be necessary to ensure full sales of finished products, and it is better to work on pre-orders, then there will be no excess production.

Video: Production of polypropylene pipes