Filter material (options)

FIELD: filter materials.

SUBSTANCE: invention relates to purification of liquids and gases to remove solids and can be used in a variety of industries utilizing filters in mainline and secondary production areas, in environmentally oriented waste water and emission gas treatment processes, in oil spill cases from tankers, oil pipelines, and oil storehouses, and also in need of collecting petroleum products from water surface. invention provides filter material composed of synthetic threads in the form of tubular hosiery constituted by two parts, one of which contains rubber crumb and the other polyurethane foam crumb at volume ratio 1:(1-4), respectively. According to claim 2, tubular hosiery consists of several interconnected alternating sections, in particular sections constituted by two parts, one of which contains rubber crumb and the other polyurethane foam crumb at volume ratio 1:(1-2), respectively, alternate with sections containing only polyurethane foam crumb.

EFFECT: improved quality of filtration, increased floatability on water surface to be purified, and increased purification area.

2 cl, 1 dwg, 1 tbl, 6 ex

 

The invention relates to the purification of liquids and gases from solid particles and can be used in chemical, petrochemical, metallurgical, automotive, and other industries that use filters in the main and auxiliary production, ecological processes of wastewater treatment and flue gas, while oil spills from tankers, pipelines and tank farms, as well as to collect oil from the surface of the water.

Known means for cleaning the surface of the water from the crude oil in the form of a plate based on the composition of crumb rubber and powdered polyethylene composition further comprises shredded fibrous cellulosic material in the following ratio of components, parts by weight: crumb rubber 100, polyethylene 15-25, shredded fibrous cellulosic material 10-30 (Patent of Russia №2148025, 02 F 1/25, BI No. 12, 2000).

The disadvantage of such tools is the difficulty of manufacturing, lack of absorption, a great complexity in the collection of the sorbent with the surface of the water, low buoyancy in the collection of the sorbent, as well as the low degree of purification during the filtration of liquids and gases.

Known filter material made of synthetic fibers in the form of a tubular knitted fabric single weave surface, where as synthetic nicelyspacedout highly elastic polyurethane filament spandex when the tension in the loops of 1.5-4 N/mm (Patent of Russia №1438825, 01 D 39/ 08, BI No. 43, 1988).

However, such filter materials are of low quality surface cleaning water from oil products, as well as the low degree of purification during the filtration of liquids and gases.

Known filter material of synthetic fibres in the form of a tubular knitted fabric which contains crumb rubber size of 0.4-0.75 mm, and the Jersey is made of polymer filaments, one of which is elastomeric, and loops of elastomeric yarn form inside the filter material of the elastic skeleton and the pore size of the tubular knitted 1.2-1.5 times smaller than crumbs (Patent of Russia №2198717, 01 D 39/08, D 04 1/14, BI No. 5, 2003).

The drawback of such filter materials is their low buoyancy on the surface of the water in the collection of the sorbent, as well as the insufficient degree of purification during the filtration of a liquid or gas.

The closest filter material to the declared object in the set of features selected for the prototype filter is a material for purification of gases and liquids in the form of a tubular knitted fabric of the extensible and inextensible threads weave eraser 1+1, which is provided with a looped series weave surface of raznousadochnyh bicomponent fibers with a melting point of not lower than 150°performed alternating loops of the eraser, and it contains 20 rows of surface (Patent of Russia №2062635, 01 D 39/08, BI No. 18, 1996).

However, such filter materials have low buoyancy on the surface of the water in the collection of the sorbent, as well as ineffective during the filtration of a liquid or gas.

The objective of the invention is to provide a filtering material with a high filter capacity when cleaning liquids or gases, and possess buoyancy when cleaning the surface of the water from the oil.

Using the proposed filter material receive the following technical result: increased quality of filtration in the process of purification of liquids and gases, as well as increasing the buoyancy on the surface of the water purification from oil products and increase the area clean.

The technical result according to claim 1 is achieved in that the filter material of synthetic fibres in the form of a tubular knitted fabric consists of two parts, one of which is placed crumb rubber, and the other with polyurethane foam crumb, and the volumetric ratio between the rubber and polyurethane foam crumbs is 1:(1-4), and paragraph 2 of filter material of synthetic fibres in the form of a tubular knitted fabric contains several interconnected sections of tubular knitted fabric, and section comprising two parts, one of which is placed crumb rubber, and the other polyurethane foam crumb in their bulk the ratio of 1:(1-2), alternate with sections, which are placed in the polyurethane foam crumb.

Execution of the tubular knitted fabric of two parts allows you to split rubber and polyurethane foam crumb and prevent pollution polyurethane foam crumbs oil.

Crumb rubber, is placed in one part of the tubular knitted fabric, enables efficient collection of oil from the surface of the water due to its swelling.

Polyurethane foam crumb placed in another part of the tubular knitted fabric, allows you to increase the buoyancy of the filter material on the surface of the water at the maximum swelling of the rubber crumb.

The decrease in the ratio between the rubber and polyurethane foam crumbs reduces the buoyancy of the filter material after swelling of rubber crumb, he begins to sink, which reduces the degree of cleaning of the surface of the water.

The increase in the ratio between the rubber and polyurethane powder is ineffective, because the swelling of the rubber crumb is carried out only in the lower layer of the filter material, which reduces the degree of cleaning of the surface of the water.

The use of multiple interconnected sections of filter material allows to increase the area of purification of contaminated surface water.

Use between sections f is literalnode material of tubular knitted fabric, hosts only polyurethane foam crumb, allows to increase the buoyancy of the filter material at full swelling of rubber crumb in the adjacent sections.

The increase in the ratio between the rubber and polyurethane powder according to claim 2 reduces the degree of purification due to the increase in the degree of buoyancy of the filter material.

The decrease in the ratio between the rubber and polyurethane powder according to claim 2 allows to increase the degree of purification of surface water by increasing the amount of rubber crumb.

Figure 1 shows the filter material according to claim 1, and figure 2 presents the filter material according to claim 2.

Figure 1 shows the filter material in the form of a tubular knitted fabric according to claim 1, consisting of two parts, one of which is placed crumb rubber 1 and the other with polyurethane foam crumb 2.

Figure 2 presents the filter material containing several interconnected sections 3 of the tubular knitted fabric consisting of two parts, one of which is placed crumb rubber 1 and the other with polyurethane foam crumb 2, alternating with sections 4 of the tubular knitted fabric which contains polyurethane foam crumb 5.

The filter material according to claim 1 get troglotrematoid machine 22 class of synthetic fibres, with the depth of melirovanie 0,81,5 mm and a tension of threads before petrobrazi system of 4.5-6.0 H. The finished canvas is stitched along the hinge bars for flat seams on the sewing machine. In one of the educated parts of the canvas fall asleep rubber crumb, and in another part polyurethane foam crumb and sew the ends on the ends of the filter material for flat seams on the sewing machine.

The filter material according to claim 2 get troglotrematoid machine and the finished canvas is divided into sections, one of which is divided into two parts. In one section fall asleep rubber powder and polyurethane powder in a separate part, and in another section asleep only polyurethane foam crumb and sew the ends to the ends of the filter material.

The filter material was placed in a container of water with 24% of oil products on the square in length from 0.4 to 5.6 meters. To determine the degree of absorption of oil on the water surface of the filter material made according to claim 1 and claim 2, put in a layer of liquid fraction within 12 hours, and then weighed. Regeneration of the filter material was carried out by passing it through corrugated rollers when the force between them is 20 kg

Example 1

The filtering process was carried out by 8.2% suspensions with up to 28% of petroleum wastewater repair shop machinery plant. The particle size varied from 45 to 200 microns at a pressure drop of 2.5 ATM. The surface of the ü oil slick on the water surface was changed from 1 to 5 m 2. To determine the degree of absorption of oil on the water surface of the filter material according to claim 1 placed in the layer of liquid fraction and was kept for 1 hour, and then weighed and determined the % of cleaning the surface of the water. The volumetric ratio between the rubber and polyurethane powder is 1:1.

Example 2.

The filtering process of example 1, in which the volumetric ratio between the rubber and polyurethane foam crumbs is 1:4.

Example 3.

The filtering process of example 1, in which the volumetric ratio between the rubber and polyurethane foam crumbs is 1:2.

Example 4.

The filtering process of example 1, in which the filter material contains several interconnected sections of tubular knitted fabric, and section consists of 2 parts, one of which is placed crumb rubber, and the other with polyurethane foam crumb, and a volumetric ratio in the filter material between the rubber and polyurethane powder is 1:1, and alternate with sections, which are placed in the polyurethane foam crumb.

Example 5.

The filtering process according to example 4, in which the volumetric ratio in the filter material between the rubber and polyurethane foam crumbs is 1:2.

Example 6.

The filtering process according to example 4, to the m a volumetric ratio in the filter material between the rubber and polyurethane foam crumbs is 1:1,5.

For clarity, table tests of a filtering material in comparison with the filter material of the prototype.

From the table it is seen that the specific productivity of its child about 2-5 times, increases the degree of purification of the suspension and absorb oil, and decreases the regeneration time. When the number of sections, interconnected, and increasing the area of cleaning the surface of the water.

Thus, the above data confirm that the implementation of the use of the claimed invention the following cumulative conditions:

means embodying the claimed invention in its implementation, can be used in chemical, petrochemical, machine-building, automotive and other industries that use filter materials in the ecological processes of wastewater treatment and industrial gases, as well as to collect oil from the surface of the water;

for the claimed invention in the form as it is described in the independent clause following claims, confirmed the possibility of its implementation using the above described in the application or known before the priority date tools and methods;

the tool embodying the claimed invention in its Khujand is the implementation, perceived by the applicant of the technical result.

Therefore, the claimed invention meets the requirement of “industrial applicability” under the current law.

1. The filter material consisting of synthetic fibers in the form of a tubular knitted fabric, characterized in that the tubular knitted fabric consists of two parts, one of which is placed crumb rubber, and the other with polyurethane foam crumb, and the volumetric ratio between the rubber and polyurethane foam crumbs is 1:(1-4).

2. The filter material consisting of synthetic fibers in the form of a tubular knitted fabric, characterized in that it contains several interconnected sections of tubular knitted fabric, and section comprising two parts, one of which is placed crumb rubber, and the other with polyurethane foam crumb when a volume ratio of 1:(1-2)alternate with sections, which are placed in the polyurethane foam crumb.



 

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FIELD: filter materials.

SUBSTANCE: invention relates to purification of liquids and gases to remove solids and can be used in a variety of industries utilizing filters in mainline and secondary production areas, in environmentally oriented waste water and emission gas treatment processes, in oil spill cases from tankers, oil pipelines, and oil storehouses, and also in need of collecting petroleum products from water surface. invention provides filter material composed of synthetic threads in the form of tubular hosiery constituted by two parts, one of which contains rubber crumb and the other polyurethane foam crumb at volume ratio 1:(1-4), respectively. According to claim 2, tubular hosiery consists of several interconnected alternating sections, in particular sections constituted by two parts, one of which contains rubber crumb and the other polyurethane foam crumb at volume ratio 1:(1-2), respectively, alternate with sections containing only polyurethane foam crumb.

EFFECT: improved quality of filtration, increased floatability on water surface to be purified, and increased purification area.

2 cl, 1 dwg, 1 tbl, 6 ex

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