RU2714642C1 - Mesh liquid filter - Google Patents

Abstract

FIELD: filters.

SUBSTANCE: invention relates to a liquid mesh filter. Proposed filter comprises housing, inlet and outlet branch pipes arranged at an angle to each other, discharge element and mesh cassette. Housing and branch pipes are made of steel pipe and are permanently connected to each other. One of the housing ends is made spherical. Inside housing there is a mesh cassette to contact with output branch pipe end face. On the second end of the body there permanently fixed is a seat equipped with fastening holes, on which a cover is fixed by means of connecting elements. In the center of the cover there is a drain hole, in which there is installed, with possibility of longitudinal movement, a drain element to contact with the mesh cassette. At the end of the cover on the seat side a groove is made, in which the sealant is installed.

EFFECT: technical result consists in expansion of the range of filters having simple design, with preservation of strength, throughput capacity of medium, possibility of its high-quality cleaning and prevention of leaks.

7 cl, 1 dwg

Description

The invention relates to the field of technological processes, and in particular to a general-purpose device intended for filtering liquid media, namely the purification of liquids from mechanical impurities, can be used in various industries, in particular, relates to filters for drain, water and shut-off valves.

Known horizontal mesh filter containing a housing, inlet and outlet nozzles, filter elements, which are rotating metal grids connected to a scroll connected bypass pipe to the inlet nozzle and a water seal to drain the sludge into the sump, the irrigation nozzle contains a housing made in the form of a supply fitting with a Central hole, and rigidly connected to it and a coaxial cylindrical sleeve with an internal thread and an expansion chamber, coaxial to the housing, while coaxially to to the housing, in its lower part, a nozzle made in the form of an inverted glass is connected to the sleeve by means of a thread, in the bottom of which a turbulent swirl of a fluid flow is made with at least two entries inclined to the nozzle axis in the form of cylindrical holes located in the end surface of the nozzle, where also a central cylindrical throttle hole is made, connected to the nozzle mixing chamber, connected in series with the diffuser outlet chamber, and closing the nozzle in the lower part of the mixing chamber a hollow conical swirl is captured, the conical shell of which is fixed by means of at least three spokes fixed at one end to the swirl conical shell in its upper part and to the other end in an annular groove made on the inner surface of the mixing chamber and on the outer surface hollow conical swirl made screw cutting (Patent No. RU 2668024. Publ. 25.09.2018).

However, the known filter has a limited ability to use, due to its horizontal arrangement, and a complex structure.

A pass filter is known that is installed in various pipelines to filter foreign particles contained in a fluid flowing through pipelines, comprising: a housing made in the form of a linear pipe having an expanded part made with an increased diameter in its middle section, and a mounting flange, fixed at both ends in such a way as to ensure coaxial connection to the pipeline by means of a seal; and a mesh screen having a generally conical shape in its front part and a generally cylindrical shape in its rear part for connection with the housing; wherein the mesh screen is inserted into the outlet channel of the housing and is located concentrically in the expanded part of the housing so that the front of the mesh screen is placed in the expanded part of the housing at a predetermined distance from the inlet of the housing (Application No. RU 2008140360. Published on 04/20/2010).

However, the known in-line filter has a complex structure, the filtering element in the form of a conical screen installed in the outlet channel of the housing, and not intended for installation inside a cylindrical housing.

A magnetic filter is known, which is a pipe segment with flanges for attaching it to a pipeline through which the fluid to be cleaned flows. A cylindrical body is attached to the lower part of the pipe segment, the cavity volume of which exceeds the cavity volume of the pipe segment by at least two times. A filter device in the form of a mesh cylinder is installed inside the housing with the entire pipe section overlapping, while the axis of the housing and the mesh cylinder are perpendicular to the axis of the pipe and the magnetic system is arranged in the form of an element of a flat or streamlined shape (Patent No. RU 2196634. Publ. 01/30/2003)

However, the known filter has a complex structure, including a magnetic system, and is intended only to capture solid particles containing ferromagnetic impurities.

A mesh filter is known, consisting of a housing that is connected by a flange connection to the lid, and with an integral elliptical bottom with welded supports, a filter cartridge is located inside the housing, which is a collection plate parallel to and connected to steel rods, between which an S filter is laid mesh, while the locking plate is clamped with a T-shaped clamp, while the design of the filter cartridge is quick-detachable (Patent No. RU 137478. Publ. 2014.02.30).

However, the known mesh filter has a complex structure, which is designed to protect pumping equipment, in addition, the filter cartridge is made in the form of plates with an S-shaped filter mesh, has a high cost and long production times.

Known mesh filter angular flange containing a housing connected to the inlet and outlet nozzles located at an angle to each other, installed in the housing of the filter element having the ability to contact with the drain node. In this case, the filter element is made of steel (Electronic resource: http://tdres.ru/filtry?product_id=54633&sort=p.model&order=DESC&limit=50).

However, the known angular mesh flange filter has a complex structure, is laborious to manufacture and assemble, has a high cost, long production times.

The technical result is the expansion of the arsenal of filters having a simple design, while maintaining durability, throughput of the medium, the possibility of its high-quality cleaning, preventing leaks, reducing costs and reducing production time.

The technical result is achieved by the fact that in the liquid mesh filter containing the housing, inlet and outlet nozzles located at an angle to each other, the drain element, the mesh cartridge, the housing and the nozzles are made of steel pipe and are inextricably interconnected, while one of the ends of the casing is made spherical, a cassette is placed inside the casing until it comes into contact with the end of the outlet pipe, at the second end of the casing it is permanently fixed, equipped with mounting holes, a saddle at the last, by -negative elements fixed cap fitted with a drain hole formed in the center, which is mounted, with the possibility of longitudinal displacement, the drain element prior to contact with the mesh cassette furthermore on the end cap from the side of the saddle has a groove in which the gasket is installed.

In an embodiment of the filter, one-piece connection can be made by means of a weld.

It is advisable, to simplify the assembly of the filter, the connecting elements are made in the form of studs and nuts equipped with threads.

In an embodiment of the filter, the drainage hole may be threaded, while the drainage element may be in the form of a bolt.

In an embodiment of the filter, depending on the installation technology on the pipeline, the inlet and outlet nozzles can be equipped with flanges.

It is advisable to seal from elastomer.

For ease of use, it is advisable to use the saddle in the filter in the form of a sleeve, and the cover in the form of a cylinder on the outer surface.

The present invention is illustrated by a detailed description and a diagram showing a general view of a liquid mesh filter (hereinafter the filter).

The filter contains a housing 1, one of the ends of which is made spherical. On its side, the inlet pipe 2 is inseparably connected to the body 1. In this case, the longitudinal axis of the body 1 is coaxial with the longitudinal axis of the inlet pipe 2. The outlet pipe 3 is at an angle to the inlet pipe 2 and is permanently connected to the housing 1. At the same time, the longitudinal axis of the outlet pipe 3 is located perpendicular to the longitudinal axis of the housing 1. The housing 1 and the nozzles 2, 3 are made of steel pipe. The housing 1 and the nozzles 2, 3 are inextricably interconnected. The permanent connection of the housing 1 and the nozzles of the input 2 and output 3 can be performed by means of a weld (welding). A mesh cassette 4 (filter element) is placed inside the housing 1 until it contacts the end of the outlet pipe 3. At the second end of the housing 1, a saddle 5 is installed and is permanently attached to it. The saddle 5 can be made in the form of a sleeve. The saddle 5 is equipped with mounting holes evenly made at its end. With the saddle 5, by means of the connecting elements 6, the cover 7 is fixed. The cover 7 can be made in the form of a cylinder on the outer surface. In the center of the cover 7 there is a drainage hole 8 in which the drainage element 9 is mounted with the possibility of longitudinal movement until it contacts the mesh cassette 4. In addition, a groove 10 is made in the end of the cover 7 from the side of the saddle 5, in which the seal 11 is installed.

The sealant 11 may be made of elastomer or other material. The housing 1 is fixed: with an inlet pipe 2 by a weld 12, with an outlet pipe 3 by a weld 13 and with a seat 5 by a weld 14.

The connecting elements 6 can be made in the form of studs and nuts, which are equipped with a thread. Thread can be metric.

The drainage hole 8 may be threaded, while the drainage element 9 is in the form of a bolt.

For fastening on the pipeline, the inlet pipe 2 and the outlet pipe 3 can be equipped with flanges (not shown) or welded to the ends of the pipeline (not shown).

The liquid mesh filter operates as follows.

A filter is composed of the above-mentioned structural elements. The inlet pipe 2 and the outlet pipe 3 are located at the respective ends of the pipeline. In this case, either flanges (not shown) are used, or the ends of the inlet pipe 2 and the outlet pipe 3 are welded. The process fluid, in particular water or other, fills the space of the housing 1 using the inlet pipe 2. Passes through the filter element in the form of a mesh cartridge 4. Pressure regulate using the drainage element 9, screwing or unwinding it in the longitudinal direction. The purified process fluid enters the outlet pipe 3 and then into the pipeline inlet. If necessary, to clean the filter and drain the accumulated process fluid, unwind the drainage element 9. In addition, the accumulated foreign bodies and other impurities are removed.

The proposed invention allows to expand the arsenal of filters having a simple design.

In addition, the present invention retains the technical characteristics of the filter that are installed for them.

The proposed filter has durability, throughput of the technological environment, the possibility of its high-quality cleaning, prevents its leakage.

The proposed filter has a low cost.

Claims (7)

1. A liquid mesh filter, comprising a housing, inlet and outlet nozzles located at an angle to each other, a drain element, a mesh cartridge, characterized in that the housing and the nozzles are made of steel pipe and are integrally connected to each other, while one of the ends of the housing is made spherical, a mesh cassette is placed inside the housing until it comes into contact with the end of the outlet pipe, a saddle equipped with mounting holes is permanently fixed at the second end of the housing, and the roof is secured with connecting elements Single equipped formed in the center of the drainage opening, in which is mounted for longitudinal movement drainage element into contact with the mesh cassette furthermore on the end cap from the side of the saddle has a groove in which the gasket is installed. 2. The filter according to claim 1, characterized in that the one-piece connection is made by means of a weld. 3. The filter according to claim 1, characterized in that the connecting elements are made in the form of studs and nuts equipped with threads. 4. The filter according to claim 1, characterized in that the drainage hole is equipped with a thread, while the drainage element is made in the form of a bolt. 5. The filter according to claim 1, characterized in that the inlet and outlet nozzles are equipped with flanges. 6. The filter according to claim 1, characterized in that the seal is made of elastomer. 7. The filter according to p. 1, characterized in that the saddle is made in the form of a sleeve, the cover is made in the form of a cylinder on the outer surface.

Images