CN213313727U

CN213313727U - All-welded filter

Info

Publication number: CN213313727U
Application number: CN202021737915.8U
Authority: CN
Inventors: 梁蓓蓓; 龚自来
Original assignee: Xini Nanjing Valve Machinery Co ltd
Current assignee: Xini Nanjing Valve Machinery Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-06-01
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses an all-welded filter, including barrel and import and export connecting pipe, the import and export connecting pipe is symmetrically arranged on the two side walls of the barrel, the import and export flange is arranged at the upper port of the import and export connecting pipe, the barrel bottom is provided with a pipe cap, the pipe cap bottom is provided with a sewage hole seat, and an end cap is fixed in the sewage hole seat; the utility model discloses an adopt the import and export connecting pipe to weld with the all-welded filter valve body, need not open the mould, reduce the die sinking expense, import and export the connecting pipe defect few, overall light in weight, low in production cost.

Description

All-welded filter

Technical Field

The utility model relates to a pipe-line filter especially relates to an all-welded filter, belongs to filter technical field.

Background

A pipe filter, hydraulic term, is a filter for a pipe section in a hydraulic system. The pipeline filter is a filter involved in the pipeline conveying process, and the application of the filter is as follows: the method is mainly applied to petroleum, chemical plants, food, pharmacy, environmental protection and the like; the structure of the filter is as follows: flange connection, integrated and basket structure; the working principle of the filter is as follows: filters are typically installed at the inlet end of compressors, pumps, instrumentation, and are used to remove impurities from the media, protect equipment fittings on the piping from wear and plugging, extend the life of pumps and other equipment, and ensure the safety of the entire system.

Problems and disadvantages with existing filters: the valve body and the valve cover of the filter are formed by casting, a mold needs to be opened, and particularly, a large-diameter product has high mold opening cost, long production period and low mold utilization rate; the large-diameter casting is easy to have casting defects, the production period is long, and the order delivery according to time is directly influenced; because the casting belongs to an irregular product, the wall thickness of the casting is thicker than that of a regular welding product, the total weight of the product is heavy, and the added value of the product is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an all-welded filter, which aims to solve the problems of high product mold opening cost, long production period and low mold utilization rate of the existing filter; the large-diameter casting is easy to have casting defects, the production period is long, and the order delivery according to time is directly influenced; because the casting belongs to the problem that the wall thickness of an irregular product is thicker than that of a regular welding product, the total weight of the product is heavy, and the added value of the product is low.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides an all-welded filter, includes the barrel and imports and exports the connecting pipe, the symmetry is provided with on the wall of barrel both sides the import and export connecting pipe, import and export connecting pipe up end department is provided with the import and export flange, the barrel bottom is provided with the pipe cap, pipe cap bottom is provided with the blowdown hole seat, blowdown hole seat inside is fixed with the end cap.

Furthermore, the inlet and outlet connecting pipes are fixed with the barrel in a welding mode, the inlet and outlet flanges are welded with the inlet and outlet connecting pipes, and the pipe caps are welded and fixed with the barrel.

Furthermore, the sewage discharge hole seat is connected with the pipe cap through threads, and the plug is embedded and installed inside the sewage discharge hole seat.

Further, the welding of barrel top has the middle part flange, the flange lid is installed in the cooperation of middle part flange top, the flange lid with place the gasket between the flange of middle part.

Furthermore, the long bolts are installed on two sides inside the flange cover and are fixedly provided with nuts through threads, the long bolts penetrate through the flange cover and the middle flange, a lifting lug is welded in the middle of the top end of the flange cover, and an exhaust hole seat is fixedly arranged on one side of the lifting lug through threads on the flange cover.

Furthermore, a filter screen is fixed in the barrel through a clamping groove, supporting plates are fixed on two sides of the top of the filter screen through bolts, and the supporting plates are welded with the barrel.

The utility model has the advantages of:

aiming at solving the problems of high product mold opening cost, long production period and low mold utilization rate of the existing filter; the large-diameter casting is easy to have casting defects, the production period is long, and the order delivery according to time is directly influenced; because the foundry goods belongs to the welding product that irregular product wall thickness ratio rule is thick, and product gross weight is heavy, the problem that the product added value is low, the utility model discloses an adopt the exit connecting pipe to weld with the all-welded filter valve body, need not open the mould, reduce the die sinking expense, exit connecting pipe defect is few, and gross weight is light, low in production cost.

Drawings

FIG. 1 is a schematic structural view of an all-welded filter according to the present invention;

FIG. 2 is an elevational, cross-sectional view of an all welded filter according to the present invention;

fig. 3 is a schematic view of the connection relationship between the filter and the support plate in the all-welded filter according to the present invention.

In the figure: 1. a barrel; 2. a middle flange; 3. a flange cover; 4. a pipe cap; 5. an inlet and outlet flange; 6. an inlet and outlet connecting pipe; 7. a gasket; 8. a support plate; 9. a filter screen; 10. a sewage draining hole seat; 11. an exhaust hole seat; 12. Lifting lugs; 13. a long bolt; 14. a nut; 15. and (7) a plug.

Detailed Description

In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention will be described in further detail with reference to the following embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-3, the all-welded filter provided in this embodiment includes a cylinder 1 and inlet and outlet connection pipes 6, the inlet and outlet connection pipes 6 are symmetrically disposed on two side walls of the cylinder 1, an inlet and outlet flange 5 is disposed at an upper port of the inlet and outlet connection pipe 6, a pipe cap 4 is disposed at the bottom of the cylinder 1, a sewage discharge hole seat 10 is disposed at the bottom of the pipe cap 4, and a plug 15 is fixed inside the sewage discharge hole seat 10.

By adopting the technical scheme, the inlet and outlet connecting pipe 6 has the advantages that the standard parts are convenient to purchase because the steel pipe belongs to, the production period is short, the steel pipe production process is different from the casting production process, the defects are few, the yield is high, the order is guaranteed to be delivered according to the date, the steel pipe belongs to the regular product, the wall thickness is thinner than that of the cast product, the total weight is light, the production cost is low, the product added value is high, the standard parts are all selected and used in product design, the accessory purchasing cost is low, the production period is short, and meanwhile, the replacement and purchase.

As shown in fig. 1 and 2, the inlet and outlet connection pipe 6 is fixed to the cylinder 1 by welding, the inlet and outlet flange 5 is welded to the inlet and outlet connection pipe 6, and the pipe cap 4 is welded to the cylinder 1.

Through adopting above-mentioned technical scheme, pipe cap 4 is used for storing filterable impurity.

As shown in fig. 2, the pollution discharge hole seat 10 is connected with the pipe cap 4 through a thread, and the plug 15 is embedded inside the pollution discharge hole seat 10.

Through adopting above-mentioned technical scheme, the blowdown hole seat 10 is convenient for dismantle and is cleared up, and the guarantee is unloaded dirty comparatively smooth and easy.

As shown in figure 2, the top of the cylinder body 1 is welded with a middle flange 2, the top end of the middle flange 2 is provided with a flange cover 3 in a matching way, and a gasket 7 is arranged between the flange cover 3 and the middle flange 2.

Through adopting above-mentioned technical scheme, gasket 7 has kept the connection leakproofness between blind flange 3 and middle part flange 2, keeps the inside pressure of barrel 1 for normal scope.

As shown in fig. 1 and 2, long bolts 13 are installed on two sides inside the flange cover 3, nuts 14 are fixed on the long bolts 13 through threads, the long bolts 13 penetrate through the flange cover 3 and the middle flange 2, a lifting lug 12 is welded in the middle of the top end of the flange cover 3, and an exhaust hole seat 11 is fixed on one side of the lifting lug 12 on the flange cover 3 through threads.

Through adopting above-mentioned technical scheme, exhaust hole seat 11 is used for discharging the inside too big pressure of barrel 1, avoids bringing vibration damage for the pipeline, and lug 12 is convenient for hang the lift installation with the device.

As shown in fig. 2 and 3, a filter screen 9 is fixed inside the cylinder 1 through a clamping groove, support plates 8 are fixed on two sides of the top of the filter screen 9 through bolts, and the support plates 8 are welded with the cylinder 1.

Through adopting above-mentioned technical scheme, backup pad 8 is used for fixing the position of filter screen 9, avoids the impact of medium to take place the displacement, influences the filtration and the circulation of medium.

The working principle is as follows: when using this device, with the entrance point that connects the device in equipment such as compressor, pump, instrument through importing and exporting connecting pipe 6, inside the medium enters into barrel 1 from importing and exporting connecting pipe 6, then filters in filter screen 9, from importing and exporting connecting pipe 6 discharge of the other end, impurity concentrates in filter screen 9 to drop and collect in pipe cap 4, when needs clearance, takes out end cap 15 from blowoff hole seat 10, it can to unload impurity. The utility model discloses in weld through adopting exit connecting pipe 6 with the all-welded filter valve body, need not open the mould, reduce the die sinking expense, exit connecting pipe 6 defect is few, and overall light in weight, low in production cost.

Above, only the further embodiments of the present invention are shown, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the protection scope of the present invention.

Claims

1. An all-welded filter, characterized in that: including barrel (1) and import and export connecting pipe (6), the symmetry is provided with on barrel (1) both sides wall import and export connecting pipe (6), import and export connecting pipe (6) upper end mouth department is provided with import and export flange (5), barrel (1) bottom is provided with pipe cap (4), pipe cap (4) bottom is provided with blowoff hole seat (10), blowoff hole seat (10) internal fixation has end cap (15).

2. An all-welded filter according to claim 1, wherein: the inlet and outlet connecting pipe (6) is fixed with the barrel body (1) in a welding mode, the inlet and outlet flange (5) is welded with the inlet and outlet connecting pipe (6), and the pipe cap (4) is welded and fixed with the barrel body (1).

3. An all-welded filter according to claim 2, wherein: the pollution discharge hole seat (10) is connected with the pipe cap (4) through threads, and the plug (15) is embedded inside the pollution discharge hole seat (10).

4. An all-welded filter according to claim 1, wherein: the welding of barrel (1) top has middle part flange (2), flange lid (3) are installed in middle part flange (2) top cooperation, flange lid (3) with gasket (7) have been placed between middle part flange (2).

5. An all-welded filter according to claim 4, wherein: the improved flange cover is characterized in that long bolts (13) are installed on two sides inside the flange cover (3), nuts (14) are fixed on the long bolts (13) through threads, the long bolts (13) penetrate through the flange cover (3) and the middle flange (2), lifting lugs (12) are welded in the middle of the top end of the flange cover (3), and exhaust hole seats (11) are fixed on the flange cover (3) through threads on one side of the lifting lugs (12).

6. An all-welded filter according to claim 1, wherein: the filter screen (9) is fixed in the barrel (1) through a clamping groove, supporting plates (8) are fixed on two sides of the top of the filter screen (9) through bolts, and the supporting plates (8) are welded with the barrel (1).