A precision filter with slag removal function

Abstract

The utility model discloses a precision filter with a slag discharge function, comprising a body, wherein the lower end of the body is connected to a slag discharge end; the slag discharge end is connected to a stop valve; the lower end of the slag discharge end is connected to a slag discharge pipe; the outer side of the slag discharge pipe orifice is connected to a connecting block; the connecting block is provided with a limit block; the lower end of the slag discharge end is connected to a fixed block matching the connecting block; and the connecting block and the fixed block are provided with interconnected threaded holes; the threaded holes are arranged on the outer side of the limit block; the threaded holes are connected to a screw; a plurality of sealing strips are also connected between the connecting block and the fixed block; and the sealing strips are arranged on the inner side of the limit block. The utility model connects the slag discharge pipe to the slag discharge end, connects the connecting block to the slag discharge pipe, and arranges the limit block and the sealing strip between the connecting block and the fixed block, thereby increasing the connection stability of the connecting block and the fixed block while increasing the sealing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a precision filter with a slag removal function. Background Art

[0002] Precision filters select different filter elements according to different filter media and design processes to meet the requirements of effluent water quality. They are used for solid-liquid separation of various suspensions and have a wide range of applications in various fields. Currently, traditional precision filters only discharge slag through an external discharge pipe at the lower end during use. The slag discharge effect is poor and it is easy to cause pipe blockage, resulting in low slag discharge efficiency. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes a precision filter with a slag discharge function.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A precision filter with a slag discharge function comprises a main body, wherein the lower end of the main body is connected to a slag discharge end; the slag discharge end is connected to a stop valve; the lower end of the slag discharge end is connected to a slag discharge pipe; the outer side of the slag discharge pipe orifice is connected to a connecting block; a limiting block is provided on the connecting block; the lower end of the slag discharge end is connected to a fixing block matching the connecting block; and the connecting block and the fixing block are provided with interconnected threaded holes; the threaded hole is arranged on the outer side of the limiting block; a screw is connected to the threaded hole; a plurality of sealing strips are also connected between the connecting block and the fixing block; and the sealing strip is arranged on the inner side of the limiting block.

[0006] Preferably, the limiting block is annular; and a groove is provided at the upper end of the limiting block; and a limiting groove matching the limiting block is provided on the fixing block.

[0007] Preferably, a plurality of annular grooves are provided at the lower end of the connecting block and the upper end of the fixing block; and the sealing strip is arranged in the annular groove.

[0008] Preferably, the slag discharge pipe is a curved pipe; and an air inlet is provided on the side of the slag discharge pipe at the bend; and the air inlet direction of the air inlet is the same as the slag discharge direction in the slag discharge pipe; the air inlet is connected to an air inlet channel; and the air inlet channel is connected to a second stop valve.

[0009] Preferably, a filter layer is connected to the body; a water inlet and a water outlet are also provided on the body; and the water inlet is located below the filter layer; and the water outlet is located above the filter layer.

[0010] Preferably, a slag collecting trough is provided at the lower end of the main body; the slag collecting trough is funnel-shaped; and the slag discharge end is arranged at the bottom end of the slag collecting trough.

[0011] Preferably, a recoil nozzle is connected to the upper end of the main body; a recoil water pipe is connected to the recoil nozzle; and a stop valve three is connected to the recoil water pipe.

[0012] Preferably, both upper and lower ends of the screw rod are connected with fixing nuts.

[0013] Compared with the prior art, the utility model provides a precision filter with a slag discharge function, which has the following beneficial effects:

[0014] The precision filter with slag discharge function is convenient for connecting the slag discharge end with the slag discharge pipe by connecting a slag discharge pipe to the slag discharge end, connecting a connecting block to the slag discharge pipe, and arranging a fixing block matching the connecting block at the slag discharge end, thereby realizing the removal and replacement of the slag discharge pipe; by arranging a limit block and a sealing strip between the connecting block and the fixing block, the connection stability of the connecting block and the fixing block is increased while the sealing effect is increased; and by arranging an air inlet channel on the slag discharge pipe, an external high-pressure air pipe can be connected during slag discharge, thereby accelerating the slag discharge and preventing slag blockage in the slag discharge pipe.

[0015] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 The structural diagram at A in the middle;

[0018] Figure 3 It is a structural schematic diagram of the fixing block in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the connecting block in the utility model.

[0020] In the figure: 10 body, 11 slag discharge end, 12 filter layer, 13 water inlet end, 14 water outlet end, 15 slag collecting tank, 16 stop valve one, 20 slag discharge pipe, 21 connecting block, 211 threaded hole, 22 limit block, 221 groove, 23 fixed block, 231 limit groove, 24 screw, 25 sealing strip, 251 annular groove, 31 air inlet hole, 32 air inlet channel, 33 stop valve two, 41 recoil nozzle, 42 recoil water pipe, 43 stop valve three. DETAILED DESCRIPTION

[0021] The following will refer to Figure 1-4, the specific implementation of the precision filter with slag discharge function in the utility model is introduced, including a main body 10, the lower end of the main body 10 is connected to a slag discharge end 11, and the slag discharge end 11 is connected to a stop valve 16, and the main body 10 is connected to a filter layer 12; the main body 10 is also provided with a water inlet end 13 and a water outlet end 14; and the water inlet end 13 is located below the filter layer 12; the water outlet end 14 is located above the filter layer 12. A slag collecting trough 15 is provided at the lower end of the main body 10; the slag collecting trough 15 is funnel-shaped; the slag discharge end 11 is arranged at the bottom end of the slag collecting trough 15; water is taken in by the water inlet end 13 and filtered through the filter layer 12, and then discharged from the water outlet end 14, wherein part of the filter residue is precipitated into the slag collecting trough 15, and part of the filter residue is attached to the filter layer 12; in order to wash the filter residue on the filter layer 12, a backwash nozzle 41 is connected to the upper end of the main body 10; a backwash water pipe 42 is connected to the backwash nozzle 41; a stop valve 43 is connected to the backwash water pipe 42, and water is taken in through the backwash water pipe 42 and then sprayed downward from the backwash nozzle 41, so as to backwash the filter layer 12.

[0022] To control the slag discharge of the slag discharge end 11; the lower end of the slag discharge end 11 is connected to a slag discharge pipe 20; the outer side of the pipe mouth of the slag discharge pipe 20 is connected to a connecting block 21; a limiting block 22 is provided on the connecting block 21; the lower end of the slag discharge end 11 is connected to a fixing block 23 matching the connecting block 21; the limiting block 22 is annular; and a groove 221 is provided at the upper end of the limiting block 22; a limiting groove 231 matching the limiting block 22 is provided on the fixing block 23, and the connection between the connecting block 21 and the fixing block 23 can be realized by the cooperation between the limiting block 22 and the limiting groove 231. At the same time, the limiting block 22 is an upward convex block, which can increase the sealing effect between the connecting block 21 and the fixing block 23.

[0023] In order to achieve the detachability between the slag discharge end 11 and the slag discharge pipe 20, interconnected threaded holes 211 are provided on the connecting block 21 and the fixing block 23; the threaded hole 211 is arranged on the outer side of the limit block 22; a screw 24 is connected to the threaded hole 211, and the connecting block 21 and the fixing block 23 are fixedly connected by the screw 24, and fixing nuts 26 are connected to the upper and lower ends of the screw 24 to enhance the tightness; in order to increase the sealing between the connecting block 21 and the fixing block 23, a plurality of sealing strips 25 are also connected between the connecting block 21 and the fixing block 23, and a plurality of annular grooves 251 are provided at the lower end of the connecting block 21 and the upper end of the fixing block 23, and the sealing strip 25 is arranged in the annular groove 251, and the sealing strip 25 is arranged on the inner side of the limit block 22.

[0024] The slag discharge pipe 20 is a curved pipe. In order to prevent accumulation and blockage at the turning point of the slag discharge pipe 20, an air inlet hole 31 is provided on the side of the turning point of the slag discharge pipe 20; and the air inlet direction of the air inlet hole 31 is the same as the slag discharge direction in the slag discharge pipe 20; the air inlet hole 31 is connected to an air inlet channel 32; the air inlet channel 32 is connected to a stop valve 33, and the air inlet channel 32 can be connected to an external high-pressure air pipe to increase the pressure in the slag discharge pipe 20, and the pressurization direction is the same as the sewage discharge direction, which accelerates the slag discharge while preventing slag blockage in the slag discharge pipe 20.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A precision filter with a slag removal function, comprising a body (10), characterized in that: The lower end of the body (10) is connected to a slag discharge end (11); a stop valve (16) is connected to the slag discharge end (11); the lower end of the slag discharge end (11) is connected to a slag discharge pipe (20); a connecting block (21) is connected to the outer side of the pipe mouth of the slag discharge pipe (20); a limit block (22) is provided on the connecting block (21); a fixing block (23) matching the connecting block (21) is connected to the lower end of the slag discharge end (11); and the connecting block (21) and the fixing block (23) are provided with interconnected threaded holes (211); the threaded holes (211) are arranged on the outer side of the limit block (22); a screw rod (24) is connected to the threaded holes (211); a plurality of sealing strips (25) are also connected between the connecting block (21) and the fixing block (23); and the sealing strips (25) are arranged on the inner side of the limit block (22).

2. A precision filter with a slag removal function according to claim 1, characterized in that: The limiting block (22) is annular; a groove (221) is provided at the upper end of the limiting block (22); and a limiting groove (231) matching the limiting block (22) is provided on the fixing block (23).

3. The precision filter with slag removal function according to claim 1, characterized in that: The lower end of the connecting block (21) and the upper end of the fixing block (23) are both provided with a plurality of annular grooves (251); the sealing strip (25) is arranged in the annular groove (251).

4. The precision filter with slag removal function according to claim 1, characterized in that: The slag discharge pipe (20) is a curved pipe; an air inlet hole (31) is provided on the side of the curved portion of the slag discharge pipe (20); an air inlet direction of the air inlet hole (31) is the same as a slag discharge direction in the slag discharge pipe (20); an air inlet channel (32) is connected to the air inlet hole (31); and a second stop valve (33) is connected to the air inlet channel (32).

5. The precision filter with slag removal function according to claim 1, characterized in that: The body (10) is connected to a filter layer (12); the body (10) is also provided with a water inlet end (13) and a water outlet end (14); the water inlet end (13) is located below the filter layer (12); and the water outlet end (14) is located above the filter layer (12).

6. The precision filter with slag removal function according to claim 1, characterized in that: A slag collecting groove (15) is provided at the lower end of the body (10); the slag collecting groove (15) is funnel-shaped; and the slag discharge end (11) is arranged at the bottom end of the slag collecting groove (15).

7. The precision filter with slag removal function according to claim 1, characterized in that: The upper end of the body (10) is connected to a recoil nozzle (41); the recoil nozzle (41) is connected to a recoil water pipe (42); and the recoil water pipe (42) is connected to a stop valve three (43).

8. The precision filter with slag removal function according to claim 1, characterized in that: The upper and lower ends of the screw rod (24) are both connected with fixing nuts (26).

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