Pretreatment ultrafiltration device for ultrapure water treatment

Abstract

The utility model relates to the technical field of ultrapure water pretreatment, in particular to an ultrapure water pretreatment ultrafiltration device which comprises a box body, one end of the box body is fixedly connected with a shell, an ultrafiltration membrane assembly is installed at the bottom of the inner wall of the box body, and a water inlet pipe of the ultrafiltration membrane assembly is communicated with a water outlet pipe of a delivery pump. One end of the conveying pump is fixedly connected with the lower portion of one side of the box body, and a water inlet pipe of the conveying pump is communicated with a curved pipe. Through cooperation of a shell, a box body, an ultrafiltration membrane assembly, a pipe body, a conveying pump, a curved pipe, a hopper body, a net plate and a filtering structure, when the device is used, water can be filtered through filtering, then is filtered through an activated carbon layer, a walnut shell layer and a quartz sand layer, and is pumped into the ultrafiltration membrane assembly through the conveying pump, so that pre-filtering work is performed, and the water quality is improved. A worker can conveniently perform pre-filtration treatment on water, and the situation that a large number of impurities enter the ultrafiltration membrane assembly to affect the service life of the ultrafiltration membrane assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrapure water pretreatment, in particular to an ultrapure water pretreatment ultrafiltration device. Background Art

[0002] Pure water is water that has almost completely removed the conductive medium in the water, and the colloid substances, gases and organic matter that do not dissociate in the water are removed to a very low level. In the process of water treatment, hollow fiber membrane separation technology is used. Hollow fiber membrane separation technology is a new type of purification and separation technology. There are through holes of 0.1 to 0.2 microns on the wall of the hollow fiber membrane.

[0003] There is an existing ultrapure water treatment pretreatment ultrafiltration device (application number: 202222162487.6) which realizes the function of ultrafiltration backwash by providing an ultrafiltration membrane assembly. The above-mentioned problem still exists. In the production of pure water, it is necessary to filter the water. The above-mentioned device passes the water into the ultrafiltration membrane assembly to filter the water. Before the water passes into the ultrafiltration membrane assembly, it is not convenient for the staff to pre-filter the water, which may easily cause a large amount of impurities to enter the ultrafiltration membrane assembly, thereby easily shortening the service life of the ultrafiltration membrane assembly. After using the filter to filter the water, the impurities will stay on the top of the filter, which is not convenient for the staff to push the impurities on the filter, and thus it is not convenient for the staff to collect them. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings in the prior art that it is inconvenient for staff to pre-filter water, which easily leads to a large amount of impurities entering the ultrafiltration membrane component, which easily shortens the service life of the ultrafiltration membrane component, and it is inconvenient for staff to push the impurities on the filter screen, which makes it inconvenient for staff to collect them, and to propose an ultrapure water treatment pretreatment ultrafiltration device.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pre-treatment ultrafiltration device for ultrapure water treatment is designed, comprising a box body, one end of the box body is fixedly connected to a shell, an ultrafiltration membrane assembly is installed at the bottom of the inner wall of the box body, a water inlet pipe of the ultrafiltration membrane assembly is connected to a water outlet pipe of a delivery pump, one end of the delivery pump is fixedly connected to a lower side of the box body, the water inlet pipe of the delivery pump is connected to a curved pipe, a bucket is fixedly connected to the upper part of the outer wall of the curved pipe, the outer wall of the bucket is fixedly connected to the upper part of the inner wall of the shell, a mesh plate is fixedly connected to the lower part of the inner wall of the bucket, the bottoms of the box body and the shell are fixedly connected to a bottom plate, a filtering structure is provided on one side of the shell, and a pushing structure is provided on the inner side of the box body.

[0007] Preferably, the filtering structure includes a filter screen, one side of the outer wall of the filter screen is gapped with the upper inner wall of one side of the shell, one side of the bottom of the filter screen is gapped with the upper protrusion of one side of the box body, an activated carbon layer is provided under the filter screen, the bottom of the activated carbon layer is bonded with a walnut shell layer, the bottom of the walnut shell layer is bonded with a quartz sand layer, and the bottom of the quartz sand layer is bonded with the top of the mesh plate.

[0008] Preferably, the water production pipe and the concentrated water pipe of the ultrafiltration membrane assembly are both fixedly connected to the upper inner wall of one side of the box body.

[0009] Preferably, a curved block is fixedly connected to the rear end of the inner wall of the box body, and a roller is connected to the upper side of one side of the inner wall of the box body through a pin shaft.

[0010] Preferably, a tube body is fixedly connected to the top inner wall of the shell.

[0011] Preferably, the pushing structure includes a motor, the top of the motor is fixedly connected to one side of the top of the inner wall of the box body, the output end of the motor is fixedly connected to a wire wheel, the outer wall of the wire wheel is fixedly connected to a rope body, one side of the outer wall of the rope body is fitted with the outer wall of the roller, one end of the rope body is fixedly connected to an annular plate, the inner wall of the annular plate is slidably engaged with the front of the outer wall of the curved block, one side of the outer wall of the annular plate is gap-matched with the upper inner wall of one side of the box body, one end of the annular plate is fixedly connected to a straight plate, one end of the straight plate is fixedly connected to a push block, the bottom of the push block is fitted with one side of the top of the filter, one end of the curved block is fixedly connected to a spring 1, and one end of the spring 1 is fixedly connected to one end of the inner wall of the annular plate.

[0012] The utility model provides an ultrapure water treatment pretreatment ultrafiltration device, which has the beneficial effects of: through the cooperation of the shell, the box, the ultrafiltration membrane assembly, the pipe body, the delivery pump, the curved pipe, the bucket body, the mesh plate and the filtering structure, the device can filter the water by filtering, and then after the water passes through the activated carbon layer, the walnut shell layer and the quartz sand layer, the delivery pump draws the water into the ultrafiltration membrane assembly, and then performs the pre-filtration work, which is convenient for the staff to pre-filter the water, and avoids a large amount of impurities from entering the ultrafiltration membrane assembly, which affects the service life of the ultrafiltration membrane assembly;

[0013] Through the coordination of the box body, shell, filter screen, curved block, roller and pushing structure, when the device is in use, the motor can drive the wire wheel to rotate, the wire wheel reels the rope body, the rope body drives the annular plate to move right, the annular plate drives the straight plate to move right, the straight plate drives the push block to move right, and then pushes the filtered impurities to the right, making it convenient for the staff to push the impurities on the filter screen, and then facilitate the staff to collect them. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the bottom plate, shell and box structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the bottom plate, box body and tube body structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the rope body, wire wheel and motor structure of the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the annular plate, spring 1 and curved block of the utility model;

[0019] Figure 6 It is a schematic diagram of the structure of the rotating rod, the inserting rod and the spring of the utility model.

[0020] In the figure: 1, bottom plate, 2, filtering structure, 2a1, filter screen, 2a2, activated carbon layer, 2a3, walnut shell layer, 2a4, quartz sand layer, 2b1, rotating rod, 2b2, horizontal bar, 2b3, vertical block, 2b4, plug rod, 2b5, spring two, 3, pushing structure, 301, pushing block, 302, straight plate, 303, annular plate, 304, spring one, 305, rope body, 306, wire wheel, 307, motor, 4, shell, 5, box body, 6, ultrafiltration membrane assembly, 7, tube body, 8, delivery pump, 9, curved pipe, 10, bucket body, 11, mesh plate, 12, curved block, 13, roller. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Embodiment 1:

[0023] See attached Figure 1-6 : In the present embodiment, an ultrapure water treatment pretreatment ultrafiltration device comprises a box body 5, one end of the box body 5 is fixedly connected to a shell body 4, an ultrafiltration membrane assembly 6 is installed at the bottom of the inner wall of the box body 5, the water inlet pipe of the ultrafiltration membrane assembly 6 is connected to the water outlet pipe of the delivery pump 8, one end of the delivery pump 8 is fixedly connected to the lower side of one side of the box body 5, the model of the delivery pump 8 is determined according to the actual use situation, the water inlet pipe of the delivery pump 8 is connected to a curved pipe 9, the upper part of the outer wall of the curved pipe 9 is fixedly connected to a bucket body 10, the outer wall of the bucket body 10 is fixedly connected to the upper part of the inner wall of the shell body 4, the lower part of the inner wall of the bucket body 10 is fixedly connected to a mesh plate 11, the bottom of the box body 5 and the shell body 4 are fixedly connected to the bottom plate 1, the water production pipe and the concentrated water pipe of the ultrafiltration membrane assembly 6 are fixedly connected to the upper inner wall of one side of the box body 5;

[0024] A curved block 12 is fixedly connected to the rear end of the inner wall of the box body 5, and a roller 13 is connected to the upper side of the inner wall of the box body 5 through a pin shaft. When the pin shaft is applied, the roller 13 can rotate above the inner wall of the box body 5. A tube body 7 is fixedly connected to the top inner wall of the shell 4. The tube body 7 is used for water injection. A filtering structure 2 is provided on one side of the shell 4, and a pushing structure 3 is provided on the inner side of the box body 5. The filtering structure 2 is convenient for the staff to pre-filter the water to avoid a large amount of impurities entering the ultrafiltration membrane assembly 6 and affecting the service life of the ultrafiltration membrane assembly 6. The pushing structure 3 is convenient for the staff to push the impurities on the filter screen 2a1, thereby facilitating the staff to collect them.

[0025] The filtering structure 2 includes a filter screen 2a1, and one side of the outer wall of the filter screen 2a1 is gap-matched with the inner wall of one side of the shell 4. The material and mesh number of the filter screen 2a1 are determined according to actual usage. One side of the bottom of the filter screen 2a1 is gap-matched with the convex block on one side of the box body 5. An activated carbon layer 2a2 is provided below the filter screen 2a1, and a walnut shell layer 2a3 is bonded to the bottom of the activated carbon layer 2a2. A quartz sand layer 2a4 is bonded to the bottom of the walnut shell layer 2a3. The activated carbon layer 2a2, the walnut shell layer 2a3 and the quartz sand layer 2a4 can filter water. The bottom of the quartz sand layer 2a4 is bonded to the top of the mesh plate 11, which is convenient for the staff to pre-filter the water and avoid a large amount of impurities from entering the ultrafiltration membrane assembly 6 and affecting the service life of the ultrafiltration membrane assembly 6.

[0026] The driving structure 3 includes a motor 307, the top of the motor 307 is fixedly connected to one side of the top of the inner wall of the box body 5, the model of the motor 307 is determined according to the actual use situation, the output end of the motor 307 is fixedly connected to the wire wheel 306, the outer wall of the wire wheel 306 is fixedly connected to the rope body 305, one side of the outer wall of the rope body 305 is in contact with the outer wall of the roller 13, one end of the rope body 305 is fixedly connected to the annular plate 303, the inner wall of the annular plate 303 is slidably engaged with the front of the outer wall of the curved block 12, and the curved block 12 plays a limiting role when the annular plate 303 is forced to move left and right. One side of the outer wall of the annular plate 303 is gap-matched with the upper inner wall of one side of the box body 5, one end of the annular plate 303 is fixedly connected to the straight plate 302, one end of the straight plate 302 is fixedly connected to the push block 301, the bottom of the push block 301 fits with the top side of the filter 2a1, one end of the curved block 12 is fixedly connected to a spring 1 304, the spring 1 304 gives the annular plate 303 a leftward force, one end of the spring 1 304 is fixedly connected to one end of the inner wall of the annular plate 303, so that the staff can push the impurities on the filter 2a1, and then the staff can collect them.

[0027] Working principle:

[0028] When filtering water to produce pure water:

[0029] The water flows through the pipe body 7, and then the filter screen 2a1 filters the water. After filtering through the activated carbon layer 2a2, the walnut shell layer 2a3 and the quartz sand layer 2a4, the delivery pump 8 starts to work, and the delivery pump 8 pumps the water into the ultrafiltration membrane assembly 6. The ultrafiltration membrane assembly 6 filters the water again, and the filtered pure water and concentrated water are discharged respectively;

[0030] When cleaning the impurities on the filter 2a1:

[0031] The motor 307 starts to work, the motor 307 drives the reel 306 to rotate, the reel 306 reels the rope body 305, the rope body 305 drives the annular plate 303 to move right, the annular plate 303 drives the straight plate 302 to move right, the straight plate 302 drives the push block 301 to move right, and then pushes the filtered impurities to the right, and the staff takes out the upper opening on one side of the shell 4.

[0032] Embodiment 2:

[0033] See attached Figure 1-6 : In the present embodiment, an ultrapure water treatment pretreatment ultrafiltration device, wherein the filtration structure 2 may also include a rotating rod 2b1, the front end surface of the rotating rod 2b1 is rotatably connected to the lower side of the shell 4 through a pin shaft, the upper inner wall gap of the rotating rod 2b1 is matched with a cross bar 2b2, one end of the cross bar 2b2 is fixedly connected to a vertical block 2b3, one end of the vertical block 2b3 is fixedly connected to one end of the filter screen 2a1, the inner wall gap of the rotating rod 2b1 is matched with an insertion rod 2b4, the upper outer wall of the insertion rod 2b4 is matched with the gap of the bottom groove of the cross bar 2b2, the bottom of the insertion rod 2b4 is fixedly connected with a spring 2b5, the spring 2b5 gives the insertion rod 2b4 an upward force, and the bottom of the spring 2b5 is fixedly connected to the bottom of the inner wall of the rotating rod 2b1.

[0034] Working principle:

[0035] Move the insertion rod 2b4 downward to remove it from the bottom groove of the cross bar 2b2, rotate the rotating rod 2b1 to move the outer wall of the cross bar 2b2 out from the inner wall of the rotating rod 2b1, move the vertical block 2b3 to the right, and the vertical block 2b3 drives the filter 2a1 to move to the right, thereby realizing the disassembly of the filter 2a1, making it convenient for the staff to replace the filter 2a1.

[0036] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An ultrapure water treatment pretreatment ultrafiltration device, comprising a housing (5), characterized in that: One end of the box body (5) is fixedly connected to the shell body (4), an ultrafiltration membrane assembly (6) is installed at the bottom of the inner wall of the box body (5), the water inlet pipe of the ultrafiltration membrane assembly (6) is connected to the water outlet pipe of the delivery pump (8), one end of the delivery pump (8) is fixedly connected to the lower side of one side of the box body (5), the water inlet pipe of the delivery pump (8) is connected to a curved pipe (9), the upper part of the outer wall of the curved pipe (9) is fixedly connected to a bucket body (10), the outer wall of the bucket body (10) is fixedly connected to the upper part of the inner wall of the shell body (4), the lower part of the inner wall of the bucket body (10) is fixedly connected to a mesh plate (11), the bottom of the box body (5) and the shell body (4) are both fixedly connected to a bottom plate (1), one side of the shell body (4) is provided with a filtering structure (2), and the inner side of the box body (5) is provided with a pushing structure (3).

2. The ultrapure water pretreatment ultrafiltration device according to claim 1, characterized in that: The filtering structure (2) comprises a filter screen (2a1), one side of the outer wall of the filter screen (2a1) is gap-matched with the inner wall above one side of the shell (4), one side of the bottom of the filter screen (2a1) is gap-matched with the protrusion above one side of the box (5), an activated carbon layer (2a2) is provided below the filter screen (2a1), a walnut shell layer (2a3) is bonded to the bottom of the activated carbon layer (2a2), a quartz sand layer (2a4) is bonded to the bottom of the walnut shell layer (2a3), and the bottom of the quartz sand layer (2a4) is bonded to the top of the mesh plate (11).

3. The ultrapure water pretreatment ultrafiltration device according to claim 1, characterized in that: The water production pipe and the concentrated water pipe of the ultrafiltration membrane assembly (6) are both fixedly connected to the upper inner wall of one side of the box body (5).

4. The ultrapure water pretreatment ultrafiltration device according to claim 1, characterized in that: A curved block (12) is fixedly connected to the rear end of the inner wall of the box body (5), and a roller (13) is connected to the upper part of one side of the inner wall of the box body (5) via a pin shaft.

5. The ultrapure water pretreatment ultrafiltration device according to claim 1, characterized in that: A tube body (7) is fixedly connected to the top inner wall of the shell (4).

6. The ultrapure water pretreatment ultrafiltration device according to claim 1, characterized in that: The pushing structure (3) comprises a motor (307), the top of the motor (307) is fixedly connected to one side of the top of the inner wall of the box body (5), the output end of the motor (307) is fixedly connected to a wire wheel (306), the outer wall of the wire wheel (306) is fixedly connected to a rope body (305), one side of the outer wall of the rope body (305) is in contact with the outer wall of the roller (13), one end of the rope body (305) is fixedly connected to an annular plate (303), the inner wall of the annular plate (303) is in contact with the outer wall of the curved block (12), and the outer wall of the curved block (12) is fixedly connected to the outer wall of the curved block (12). The front side is slidably connected, one side of the outer wall of the annular plate (303) is gap-matched with the upper inner wall of one side of the box body (5), one end of the annular plate (303) is fixedly connected to a straight plate (302), one end of the straight plate (302) is fixedly connected to a push block (301), the bottom of the push block (301) is in contact with one side of the top of the filter screen (2a1), one end of the curved block (12) is fixedly connected to a spring 1 (304), and one end of the spring 1 (304) is fixedly connected to one end of the inner wall of the annular plate (303).

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