CN220609453U

CN220609453U - Environment-friendly water reducer production waste liquid bag filter

Info

Publication number: CN220609453U
Application number: CN202322178471.9U
Authority: CN
Inventors: 林铭; 林贤兴
Original assignee: Hangzhou Lin'an Gravity Admixture Co ltd
Current assignee: Hangzhou Lin'an Gravity Admixture Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-19
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a waste liquid bag filter for producing an environment-friendly water reducing agent, and belongs to the technical field of filters. The bag filter for the waste liquid in the production of the environment-friendly water reducer comprises a bracket, a pair of filter containers and a pair of three-way valves; the filtering container is detachably arranged on the bracket, a liquid inlet is arranged above the filtering container, and a liquid outlet is arranged below the filtering container; the liquid inlets of the two filtering containers are detachably connected with the three-way valve above, and the liquid outlets of the two filtering containers are detachably connected with the three-way valve below; the waste liquid to be purified is input into the filtering container through the three-way valve, and is purified and filtered through the filtering bag in the filtering container.

Description

Environment-friendly water reducer production waste liquid bag filter

Technical Field

The utility model belongs to the field of filters, and particularly relates to a waste liquid bag filter for producing an environment-friendly water reducing agent.

Background

The environment-friendly water reducing agent is a chemical additive used in building construction and concrete production, and can achieve the purpose of reducing water by improving the fluidity of concrete and reducing the use amount of cement, thereby reducing the overall water consumption of the concrete. The environment-friendly water reducing agent has the advantages of reducing water consumption, improving concrete performance, reducing pollution and waste and increasing construction efficiency. Waste water is generated in the production process of the environment-friendly water reducer, and mainly comprises a small amount of chemical residues, colloid particles and other impurities, and a bag filter can be used for removing the impurities; the bag filter has the advantages of large filtering area, high particle interception capability and convenient maintenance, and is widely applied to the solid-liquid separation process in chemical industry or other industries.

However, gaps may exist in the installation of the conventional bag filter bags, impurities can flow out from the positions of the gaps, and the filtered liquid impurities are more; and because the bag filter needs to be replaced, the waste liquid filtering process is required to be stopped in the process of replacing the filter bag, and the purification and filtration efficiency of the production waste liquid is reduced.

Disclosure of Invention

The utility model aims to provide an environment-friendly water reducer production waste liquid bag filter so as to solve the problems in the background technology.

The utility model relates to a waste liquid bag filter for producing an environment-friendly water reducer, which comprises a bracket, a pair of filter containers and a pair of three-way valves, wherein the bracket is arranged on the filter containers; the filtering container is detachably arranged on the bracket, a liquid inlet is arranged above the filtering container, and a liquid outlet is arranged below the filtering container; the liquid inlets of the two filtering containers are detachably connected with the three-way valve above, and the liquid outlets of the two filtering containers are detachably connected with the three-way valve below; the production waste liquid to be purified is input into the filtering container through the three-way valve at the upper part, the production waste liquid is purified through the filtering container, and the clear liquid of the production waste liquid is obtained through the discharge of the three-way valve at the lower part.

The filter container comprises a container body, a sealing cover, a supporting plate, a plurality of filter screens and a plurality of filter bags, wherein the container body is detachably and hermetically connected with the sealing cover; the supporting plate is fixedly connected with the inner wall of the body, and a plurality of mounting holes are formed in the surface of the supporting plate and are used for mounting the filter screen; the filter bag is detachably arranged inside the filter screen and is used for filtering production waste liquid.

The three-way valve comprises a three-way pipe fitting and a valve; the valve is detachably connected with the three-way pipe fitting and controls the opening and closing of the three-way pipe fitting; the upper and lower three-way pipe fittings are detachably connected with the filtering containers at the two sides respectively; the valves are connected in parallel to control the opening and closing of the two side filtering containers, so that the two side filtering containers can operate simultaneously and can also operate independently.

As a further improvement of the utility model, the bracket comprises a connecting rod, a pair of supporting rings and a plurality of supporting rods, wherein the supporting rings on two sides are fixedly connected with two ends of the connecting rod, and the supporting rods are uniformly and fixedly arranged below the supporting rings; the outer wall of the filter body is provided with a limiting ring which is positioned above the supporting ring and used for detachably mounting the filter container on the bracket.

As a further improvement of the utility model, the filter container further comprises an upper closing plate and a plurality of sealing elements; the upper sealing plate is annular in outline and is fixedly connected with the upper part of the body; a plurality of notches are uniformly formed in the periphery of the upper sealing plate, and a rotating shaft is fixedly arranged in each notch; one end of the sealing element is hinged with the rotating shaft, and the other end of the sealing element is detachably connected with the sealing cover; the sealing piece enables the sealing cover to be in sealing connection with the body, ensures that the filter bag is unfolded through uniform pressure and impact force after the production waste liquid is conveyed into the filter container, and increases the filtering efficiency.

As a further improvement of the utility model, the sealing element comprises a rotating rod, a clamping block, a threaded rod and a fastener; one end of the rotating rod is provided with a hinge hole, and the other end of the rotating rod is fixedly connected with the threaded rod; the clamping block is provided with a through hole, the outer side of the clamping block is fixedly provided with a limiting step, and the outer wall of the rotating rod is in sliding connection with the inner wall of the through hole of the clamping block; the fastener is located the joint piece top, with threaded rod threaded connection, the fastener downwardly extrusion joint piece makes ware body and closing cap detachable connection.

As a further improvement of the utility model, the sealing cover comprises a lower sealing plate, a clamping groove and a cover body, wherein the outline of the lower sealing plate is annular and is fixedly connected with the lower part of the cover body, and a plurality of notches are uniformly formed in the periphery of the lower sealing plate and correspond to the notches of the upper sealing plate; a circle of clamping grooves are formed in the inner side of the notch on the upper surface of the lower sealing plate and used for enabling the lower sealing plate of the sealing cover to be detachably connected with the upper sealing plate of the body.

As a further improvement of the utility model, the sealing cover also comprises an air pipe, a pressure gauge and a pressure release valve, one end of the air pipe is fixedly arranged above the sealing cover, and the other end of the air pipe is fixedly connected with the pressure gauge; the pressure release valve is arranged in the middle of the air pipe; the pressure gauge monitors the internal pressure in real time, and the pressure release valve is opened when the internal pressure is detected to be overlarge, so that the damage of an internal filter bag or equipment is avoided.

As a further improvement of the utility model, the filter screen comprises a basket and a fixing ring; small holes are uniformly distributed on the surface of the basket, the upper part of the basket is fixedly connected with a fixing ring, the diameter of the fixing ring is larger than that of the mounting hole of the supporting plate, and the fixing ring is tightly attached to the supporting plate; a plurality of check blocks are fixedly arranged on the supporting plate and positioned on the periphery of the fixing ring, and the check blocks are positioned above the mouth of the filter bag and used for limiting the filter bag to move.

Compared with the prior art, the utility model has the beneficial effects that: the bag filter for the waste liquid produced by the environment-friendly water reducer has the advantages of simple structure, convenient operation and large treatment capacity for the waste liquid produced by the environment-friendly water reducer; the pair of filter containers are connected with the three-way valve, so that the filter containers can be operated in parallel, and one of the filter containers can be kept to normally operate without stopping the machine when the filter bag or the filter screen is required to be replaced; by arranging the stop block on the supporting plate, gaps are formed between the filter bag and the filter screen after the filter bag is impacted by water flow or other actions, so that impurities are prevented from flowing out of the gaps, and excessive impurities of the primary purified liquid are avoided; the pressure gauge and the pressure release valve are arranged above the sealing cover, so that the pressure inside the filter container can be monitored at any time, and the filter bag is prevented from being broken or equipment is prevented from being damaged when the pressure inside the filter container is overlarge.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a filtration vessel of the present utility model;

FIG. 3 is a schematic view of the body structure of the present utility model;

FIG. 4 is a schematic view showing a sectional structure of a joint between a body and a cover of the present utility model;

FIG. 5 is a schematic view of a closure structure according to the present utility model;

fig. 6 is a schematic view of a filter screen according to the present utility model.

The reference numerals in the figures illustrate:

1 a bracket, 11 a connecting rod, 12 a supporting ring, 13 a supporting rod, 2 a filtering container, 21 a liquid inlet, 22 a liquid outlet, 23 a body, 24 a sealing cover, 241 a lower sealing plate, 242 a clamping groove, 243 a cover body, 244 an air pipe, 245 a pressure gauge, 246 a pressure release valve, 25 a supporting plate, 26 a filter screen, 261 a basket, 262 a fixed ring, 27 a filter bag, 28 an upper sealing plate, 281 a rotating shaft, 29 a sealing piece, 291 a rotating rod, 292 a clamping block, 2921 a limiting step, 293 a threaded rod, 294 fastening pieces, 3 a three-way valve, 31 a three-way pipe fitting and 32 a valve.

Detailed Description

First embodiment: referring to fig. 1 to 6, an environment-friendly water reducer production waste liquid bag filter comprises a bracket 1, a pair of filter containers 2 and a pair of three-way valves 3; the filter container 2 is detachably arranged on the bracket 1, a liquid inlet 21 is formed above the filter container 2, and a liquid outlet 22 is formed below the filter container 2; the liquid inlets 21 of the two filtering containers 2 are detachably connected with the three-way valve 3 above through bolts, and the liquid outlets 22 of the two filtering containers 2 are detachably connected with the three-way valve 3 below through bolts; the production waste liquid to be purified is input into the filter container 2 through the three-way valve 3 above, and the production waste liquid is filtered and purified through the filter container 2 to obtain the clear liquid of the production waste liquid.

The filter container 2 comprises a body 23, a sealing cover 24, a supporting plate 25, a plurality of filter screens 26 and a plurality of filter bags 27, wherein the body 23 is detachably and hermetically connected with the sealing cover 24; the supporting plate 25 is fixedly connected with the inner wall of the body 23, and a plurality of mounting holes 251 are formed on the surface of the supporting plate 25 and are used for mounting the filter screen 26; the filter bag 27 is detachably arranged in the filter screen 26, the production waste liquid enters the body 23 from the liquid inlet 21, the filter bag 27 is supported by the impact force of water flow, and the purification liquid flows from the filter screen 26 to the liquid outlet 22 below after being filtered by the filter bag 27.

The three-way valve 3 comprises a three-way pipe fitting 31 and a valve 32; the valve 32 is detachably connected with the three-way pipe fitting 31 and controls the opening and closing of the three-way pipe fitting 31; the upper and lower three-way pipe fitting 31 is detachably connected with the liquid inlet 21 and the liquid outlet 22 of the two-side filtering container 2 through bolts respectively; the valve 32 is connected in parallel to control the three-way pipe fitting 31 to open and close the two-side filter containers 2, and the valve 32 is screwed to enable the two-side filter containers 2 to operate simultaneously and the two-side filter containers 2 to operate independently; when one of the filter containers 2 is stopped to replace the filter bag 27 or the filter screen 26 is cleaned, the other filter container 2 can be continuously used, normal filtration of the production waste liquid is ensured under the condition of no stop, and the filtration efficiency is improved.

Specifically, the bracket 1 comprises a connecting rod 11, a pair of supporting rings 12 and a plurality of supporting rods 13, wherein the supporting rings 12 on two sides are fixedly connected with two ends of the connecting rod 11, and the supporting rods 13 are uniformly and fixedly arranged below the supporting rings 12; the outer wall of the body 23 is provided with a limiting ring 231, and the limiting ring 231 is positioned above the supporting ring 12 and is used for detachably erecting and installing the filter container 2 on the bracket 1.

Specifically, the filtration vessel 2 further comprises an upper closure plate 28 and a plurality of seals 29; the upper sealing plate 28 is annular in outline and is fixedly connected with the upper part of the body 23; the periphery of the upper sealing plate 28 is uniformly provided with a plurality of notches, and a rotating shaft 281 is fixedly arranged in each notch; one end of the sealing element 29 is hinged with the rotating shaft 281, and the other end is detachably connected with the sealing cover 24 in a clamping way; the seal 29 sealingly connects the cover 24 to the body 23, ensuring that the pressurized fluid therein can expand the filter bag 27 by impact and even pressure, thereby increasing the effective area of filtration.

Specifically, the seal 29 includes a rotating rod 291, a clamping block 292, a threaded rod 293, and a fastener 294; one end of the rotating rod 291 is provided with a hinge hole, and the other end of the rotating rod is fixedly connected with the threaded rod 293; the clamping block 292 is provided with a through hole which is matched with the rotating rod 291; the outer side of the clamping block 292 is fixedly provided with a limiting step 2921, and the outer wall of the rotating rod 291 is in sliding connection with the inner wall of the through hole of the clamping block 292; the fastener 294 is located above the catch block 292 and is threadably coupled to the threaded rod 292, and rotation of the fastener 294 causes the fastener 294 to press downwardly against the catch block 292 to removably and sealingly couple the body 23 to the cover 24.

Specifically, the cover 24 includes a lower sealing plate 241, a clamping slot 242, and a cover 243, where the lower sealing plate 241 has an annular contour and is fixedly connected with the lower portion of the cover 243, and a plurality of notches are uniformly formed on the periphery of the lower sealing plate 241 and correspond to the notches of the upper sealing plate 28; a circle of clamping grooves 242 are formed in the inner side of the notch on the upper surface of the lower sealing plate 241 and are used for enabling the lower sealing plate 241 to be tightly attached to the upper sealing plate 28, so that the sealing cover 24 is detachably and hermetically connected with the body 23; can ensure sealing during filtration and can be disassembled conveniently during replacement of the filter bag 27.

Specifically, the sealing cover 24 further includes an air pipe 244, a pressure gauge 245 and a pressure release valve 246, one end of the air pipe 244 is fixedly installed above the sealing cover 24, and the other end is fixedly connected with the pressure gauge 245; a pressure relief valve 246 is provided in the middle of the air tube 244; the pressure gauge 245 monitors the internal pressure in real time, and the pressure relief valve 246 is opened when the internal pressure is detected to be too high, so that the internal filter bag 27 or equipment is prevented from being damaged.

Specifically, the filter screen 26 includes a basket 261 and a retaining ring 262; holes are uniformly distributed on the surface of the basket 261, the upper part of the basket 261 is fixedly connected with a fixed ring 262, the diameter of the fixed ring 262 is larger than that of the mounting hole 251 of the supporting plate 25, and the fixed ring 262 is tightly attached to the supporting plate 25; the support plate 25 is fixedly provided with a plurality of check blocks 252 which are positioned on the periphery of the fixed ring 262, and the check blocks 252 are positioned above the mouth of the filter bag 27 and used for blocking the filter bag 27, so that the filter bag 27 is prevented from moving after being impacted by water flow, gaps are formed between the filter bag 27 and the filter screen 26, and the filtering quality of primary purifying liquid is further ensured.

Specifically, the filter bag 27 is made of high-purity filament fiber materials, has extremely high capturing capacity for solid and colloid particles, and has stable filtering efficiency and longer service life due to the high-strength filament fibers.

In the use process, the production waste liquid is input into the filter container 2 from the liquid inlet pipe 21 through the upper three-way valve 3; the production waste liquid in the filter container 2 is filtered by an internal filter bag 27, and flows to a lower liquid outlet 22 from small holes on the surface of a filter screen 26, and the purified clear liquid discharged from the liquid outlet 22 is output from a lower three-way valve to obtain production waste liquid clear liquid; when the filter bag 27 in the filter container 2 needs to be replaced, the three-way valve 3 on one side corresponding to the filter container 2 is closed, the fastening piece 294 is rotated to enable the upper cover plate 28 and the lower cover plate 241 to be in a close fit state, the sealing cover 24 is opened, the old filter bag 27 is taken out to replace the new filter bag 27, the filter container 2 is restored, the purpose of non-stop filtration is achieved, and the filtration efficiency is improved.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The environment-friendly water reducer production waste liquid bag filter is characterized by comprising a bracket (1), a pair of filter containers (2) and a pair of three-way valves (3); the filtering container (2) is detachably arranged on the bracket (1), a liquid inlet (21) is arranged above the filtering container (2), and a liquid outlet (22) is arranged below the filtering container; the liquid inlets (21) of the two filtering containers (2) are detachably connected with the three-way valve (3) above, and the liquid outlets (22) of the two filtering containers (2) are detachably connected with the three-way valve (3) below; the upper three-way valve (3) inputs production waste liquid into the filter container (2), the production waste liquid is purified and filtered by the filter container (2), and the lower three-way valve (3) conveys clear liquid of the production waste liquid;

the filter container (2) comprises a body (23), a sealing cover (24), a supporting plate (25), a plurality of filter screens (26) and a plurality of filter bags (27), wherein the body (23) is detachably connected with the sealing cover (24); the supporting plate (25) is fixedly connected with the inner wall of the body (23), and a plurality of mounting holes (251) are formed in the surface of the supporting plate (25) and are used for mounting the filter screen (26); the filter bag (27) is detachably arranged in the filter screen (26) and is used for filtering the production waste liquid;

the three-way valve (3) comprises a three-way pipe fitting (31) and a valve (32); the valve (32) is detachably connected with the three-way pipe fitting (31) and controls the opening and closing of the three-way pipe fitting (31); the upper and lower three-way pipe fittings (31) are detachably connected with the two sides of the filtering container (2) respectively.

2. The environment-friendly water reducer production waste liquid bag filter according to claim 1, wherein the bracket (1) comprises a connecting rod (11), a pair of supporting rings (12) and a plurality of supporting rods (13), the supporting rings (12) on two sides are fixedly connected with two ends of the connecting rod (11), and the supporting rods (13) are uniformly and fixedly arranged below the supporting rings (12); the outer wall of the body (23) is provided with a limiting ring (231), and the limiting ring (231) is positioned above the supporting ring (12) and used for detachably mounting the filter container (2) on the bracket (1).

3. An environmental protection water reducer production waste liquid bag filter according to claim 1, characterized in that the filtering container (2) further comprises an upper sealing plate (28) and a plurality of sealing elements (29); the upper sealing plate (28) is annular in outline and is fixedly connected with the upper part of the body (23); the periphery of the upper sealing plate (28) is uniformly provided with a plurality of notches, and a rotating shaft (281) is fixedly arranged in each notch; one end of the sealing element (29) is hinged with the rotating shaft (281), and the other end of the sealing element is detachably connected with the sealing cover (24).

4. A green water reducer production waste liquid bag filter according to claim 3, wherein the sealing member (29) comprises a rotating rod (291), a clamping block (292), a threaded rod (293) and a fastener (294); one end of the rotating rod (291) is provided with a hinge hole, and the other end of the rotating rod is fixedly connected with the threaded rod (293); the clamping block (292) is provided with a through hole, a limiting step (2921) is fixedly arranged on the outer side of the clamping block (292), and the outer wall of the rotating rod (291) is in sliding connection with the inner wall of the through hole of the clamping block (292); the fastener (294) is located above the clamping block (292) and is in threaded connection with the threaded rod (293), and the fastener (294) downwards presses the clamping block (292) to enable the body (23) to be detachably connected with the sealing cover (24).

5. The environment-friendly water reducer production waste liquid bag filter according to claim 1, wherein the sealing cover (24) comprises a lower sealing plate (241), a clamping groove (242) and a cover body (243), the lower sealing plate (241) is annular in outline and fixedly connected with the lower part of the cover body (243), a plurality of notches are uniformly formed in the periphery of the lower sealing plate (241), and a circle of clamping groove (242) is formed in the inner side of the notch in the upper surface of the lower sealing plate (241) and used for detachably connecting the sealing cover (24) and the body (23).

6. The environment-friendly water reducer production waste liquid bag filter as claimed in claim 1, wherein the sealing cover (24) further comprises an air pipe (244), a pressure gauge (245) and a pressure release valve (246), one end of the air pipe (244) is fixedly arranged above the sealing cover (24), and the other end of the air pipe is fixedly connected with the pressure gauge (245); a pressure relief valve (246) is provided in the middle of the air pipe (244).

7. The environment-friendly water reducing agent production waste liquid bag filter as claimed in claim 1, wherein: the filter screen (26) comprises a basket (261) and a fixed ring (262); small holes are uniformly distributed on the surface of the basket (261), the upper part of the basket (261) is fixedly connected with a fixed ring (262), the diameter of the fixed ring (262) is larger than that of a mounting hole (251) of the supporting plate (25), and the fixed ring (262) is tightly attached to the supporting plate (25); a plurality of check blocks (252) are fixedly arranged on the supporting plate (25) and positioned on the periphery of the fixing ring (262), and the check blocks (252) are positioned above the mouth of the filter bag (27) and used for limiting the movement of the filter bag (27).