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Distributor / authorized representative that deals with supply & delivery of fabric filters to industrial enterprises of Russia

Engineering company ‘Intech GmbH’ LLC (ООО «Интех ГмбХ»), Russia, has been successfully working with a number of Russian industrial enterprises at the local market for more than 20 years. Since the company’s founding, it has acquired immense engineering experience, market reputation, and has realized more than a hundred large-scale projects at the industrial plants in Russia. Our company is continuously in search of new business partners, who consider Russian market investment-attractive and want to boost their sales in the region, as well as expand their field of activities and enter a new international level.

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We are interested in cooperation with the manufacturers of fabric filters , who are looking for an official and reliable distributor to deal with supply & delivery of their equipment to the industrial plants in Russia.

The company’s top management and sales team are well acquainted with the Russian market, its mentality and laws; they also understand industrial specifics of the financial and economic activities of the Russian customers. All our sales managers have a large customer database, extensive experience of successful sales and well-established connections with the potential buyers of your fabric filters. This allows our managers to promptly set out the most promising directions for promotion and to ensure a rapid entry of the products into the promising Russian market. Our employees, who are fluent in English and German, are focused on working at the international market with the supplies of foreign equipment.

Our team of experienced engineers, who can handle the most serious technical problems, constantly keeps in touch with the Russian customers, holds meetings and delivers presentations regarding the latest achievements of our manufacturing partners. They point out the engineering challenges and actively communicate with all the departments at Russian plants. That is why the specifics of doing a business in the Russian Federation are well-known to us, and we also know the equipment of the local industrial plants and their up-to-date modernization needs.

Once we become your authorized representative in Russia, our marketing staff will carry out a market research in order to check the demand for fabric filters, will submit a market overview for fabric filters that you offer and evaluate the needs for this type of equipment at local plants. Our specialists will also estimate the potential and capacity of this market at local industrial plants. Our IT-team will start developing a website for your products in Russian. Our experts will assess the conformity between your fabric filters and customer needs as well as analyze the common reaction to the new goods in general. We will look into the categories of potential customers, and pick out the largest and the most promising plants.

Upon becoming your authorized agent on the territory of Russia, ‘Intech GmbH’ LLC (ООО «Интех ГмбХ»), will obtain certificates, if required, for a batch of the goods, for various types of fabric filters in compliance with Russian standards. We can also arrange the inspection in order to obtain TR TS 010 and TR TS 012 Certificates. These certificates provides permission to operate your equipment at all industrial plants of the EAEU countries (Russia, Kazakhstan, Belarus, Armenia, Kyrgyzstan), including the hazardous industrial facilities. Our company is eager to assist in issuing Technical Passports for fabric filters as per Russian and other EAEU countries’ requirements.

Our engineering company ‘Intech GmbH’ LLC (ООО «Интех ГмбХ»), collaborates with several Russian design institutes in various industrial segments, which allows us to conduct preliminary design as well as subsequent design works according to the standards, construction rules and regulations that are applicable in Russia and other CIS countries. It also enables us to include your fabric filters into the future projects.

The Company has its own logistics department that can provide packing service, handling as well as the most efficient and cost effective mode of transportation of the goods (incl. over dimensional and overweight goods). The goods can be delivered on DAP or DDP-customer’s warehouse basis in full compliance with all the relevant regulations and requirements that are applicable on the Russian market.

Our company has its own certified specialists who will carry out installation supervision and commissioning of the delivered equipment, as well as further guarantee and post-guarantee maintenance of fabric filters. They will also provide necessary training and guidance for the customer’s personnel.

Fabric filters. A brief overwiew

Using of grain filters is possible only when it is necessary to purify the liquid in which the solid phase content is very small, and the residue is of no value. It is recommended to use filters with fabric membranes in the case, when the amount of solids in suspension is sufficiently large, or it is planned to use a residue, or better utilization of liquid phase is required.

Fabric membranes may be made of fiber materials of a mineral, vegetable or animal origin and of metal grids. Choice of material for the filter is, primarily, based on its chemical resistance to the liquid to be filtered.

For example, materials of animal origin, as a rule, coarse woolen fabrics resist acid liquors fairly well at temperatures of up to 40-50 degrees.

Cotton materials, most commonly, belting or cotton sheeting are used if it is necessary to filter neutral, weakly acidic and weakly alkaline liquids.

If it is necessary to filter warmed up and highly acidic liquids, the filters made of materials of mineral origin, such as asbestos fibers, are used. Moreover, strong mineral acids can be filtered using such materials.

Wire cloth, made of nickel or steel, is usually used, if it is necessary to filter strongly alkaline liquids.

Synthetic fabric membranes, made, for example, of vinyl chloride, are increasingly used. Such membranes are well suited for acids filtration.

As a rule, fabric membranes do not have a considerable mechanical strength, so they are placed on metal or wooden lattice. This applies not only to metal fabric membranes.

Filter presses, plate and bag filters, and Nutsche filters are the most popular discontinuous filters having a fabric membrane.

Filters with a fixed rigid membrane

Membranes made of ceramics and having a high mechanical strength indicator are frequently used for filtration.

Typically, filters, having porous filter plates, are manufactured as vacuum filters, and, more rarely, as Nutsche filters, operating under pressure. Such plates are fixed by strong mastic, resistant to chemical action. Filter area of devices of this type can reach 14 m2.

Fabric filters for gas purification

Fabric filters are the most commonly used in industry and other spheres of human activity. As their name indicates, fabric is used as a filter surface material in them. While in operation, filter cake (dust) accumulates on the membrane (surface), which also provides a high degree of gas purification.

Filtration purity is determined by fabric characteristics, which depends directly on the size of pores. According to these indicators, fabric filters for gas purification are divided into:

  • cotton filters. They are the most simple and cheap, but inefficient at the same time. Such fabrics have a fine surface which is totally non-resistant to moisture. That is why filtration of wet gases with an admixture of water vapors is not possible through cotton filters. Also, such filters have a low thermal (up to 150ºC) and chemical resistance;
  • wool. Such fabrics are quite expensive, but have high strength and physical stability. Their average service life is 12-16 months. However, they are not very resistant to temperature (up to 170ºC) and they are completely unstable to acids action;
  • synthetic (Dacron and Nitron) are very durable and elastic fabrics, and they are very resistant to chemical action. But they cannot be used at high temperatures, since fabrics sintering occurs at 180ºC;
  • glass (of silica fibers). Such filters can be used at gas temperatures of up to 800-900ºC, they have longer service life and a good chemical resistance, but they are subject to rapid wear as a result of coarse particles action;
  • felt. Such filters are highly resistant, and show excellent filtration efficiency, but lose their properties completely after contacting with water. Filtration of wet gas through felt is impossible.

Filtration efficiency increases to a certain limit, if fabric surface is covered with dust particles. Still, any filter needs periodic cleaning. Thereafter, the efficiency decreases again, but to a lesser degree than that of an entirely new filter. The table below presents data allowing to evaluate the filtration efficiency before and after regeneration (fabric cleaning).

Comparison table of filter fabrics efficiency

Fabric Collection efficiency, %
Clean Dust-laden Regenerated
Synthetic fine 2 65 13
Synthetic coarse 24 75 66
Wool coarse 39 82 69

Filter fabric regeneration

Regeneration (cleaning) of filter surface can be conducted in two ways. Mechanical action on the fabric surface, freeing it from dust, presents the first variant. Shaking, vibration, sound waves, abrupt change in the flow of filtered gas, etc. can be applied here. Filter backblowing with purified gas presents the second variant. Both methods are commonly used to enhance efficiency of fabric filters regeneration in filter machines.

Filters

Upon becoming the official distributer of fabric filters, our company ‘Intech GmbH’ LLC (ООО «Интех ГмбХ»), carries out the following: finds the buyers of your products on the market, conducts technical and commercial negotiations with the customers regarding the supplies of your equipment, concludes contracts. Should a bidding take place, we will collect and prepare all the documents required for the participation, conclude all the necessary contracts for the supply of your equipment, as well as register the goods (fabric filters) and conduct customs clearance procedures. We will also register a certificate of transaction (Passport of Deal) required for all foreign trade contracts in the foreign currency control department of the authorized Russian bank so that currency transaction could be effected. If required, our company will implement an equipment spacing project in order to integrate your equipment into the existing or newly built production plant.

We are convinced that our company ‘Intech GmbH’ LLC (ООО «Интех ГмбХ»), will become your reliable, qualified and efficient partner & distributor in Russia.

We are always open for cooperation, so let’s move forward together!

Intech GmbH SARLIntech GmbH SARL