Circulating water bypass filtering device

Abstract

The utility model relates to the technical field of circulating water treatment, and discloses a circulating water bypass filtering device which comprises a tank body, a sealing cover is detachably arranged at the top end of the tank body, the tank body is respectively provided with a drainage pipe and a water inlet pipe, and a plurality of supporting blocks are arranged on the circumference of the bottom of the tank body. A plurality of supporting blocks are arranged in the tank body, a filter screen cover is detachably arranged between every two adjacent supporting blocks, the filter screen covers and the supporting blocks are matched with each other to define a hollow filter cartridge in the tank body, the outer wall of the filter cartridge and the inner wall of the tank body are arranged at intervals, and a blow-off pipe is arranged at the position, in the middle of the filter cartridge, of the bottom of the tank body in a communicating mode. The outlet end of the water inlet pipe extends into the middle space of the filter cartridge; the interior of each filter screen cover is divided into a plurality of filter cavities from inside to outside, and the diameters of the filter cavities are sequentially increased; according to the utility model, the adsorption filler can be quickly and pertinently replaced, the working efficiency is improved, the waste of the adsorption filler is reduced, and the use cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of circulating water treatment, in particular to a circulating water side filtration device. Background Art

[0002] When using a circulating water bypass filter device to purify water, adsorbent fillers are usually added to the device, and the purpose of removing impurities in the water is achieved by using the adsorbent fillers to absorb and filter the water. The adsorbent fillers of existing circulating water bypass filters are usually in the form of mixed stacking or stacking. When the mixed stacking is maintained and replaced, it is usually replaced according to the service life of the adsorbent filler with the shortest service life, which causes some fillers that have not lost their effectiveness to be replaced together, resulting in waste; the stacking form of upper and lower stacking solves the above problem, but when the lower adsorbent filler needs to be replaced, the upper adsorbent filler needs to be taken out first, and then backfilled after the lower adsorbent filler is replaced. This method is more complicated to operate, time-consuming and labor-intensive, and with the continuous impact and disturbance of the water flow during filtration, there will be mixing between the upper and lower adsorbent fillers, and there is also the problem of waste when the adsorbent filler is replaced; therefore, there is an urgent need for a circulating water bypass filter device that is easy to replace the adsorbent filler. Utility Model Content

[0003] The utility model aims to provide a circulating water side filtration device, which can realize rapid and targeted replacement of adsorption fillers, improve work efficiency, reduce waste of adsorption fillers, and save use costs.

[0004] The utility model adopts the following technical solutions:

[0005] A circulating water bypass filtration device comprises a tank body, a sealing cover is detachably provided on the top of the tank body, a drain pipe and a water inlet pipe are respectively provided on the tank body, a plurality of support blocks are arranged circumferentially on the bottom of the tank body, a filter screen cover is detachably provided between two adjacent support blocks, a plurality of the filter screen covers cooperate with a plurality of the support blocks to enclose a hollow filter cartridge in the tank body, the outer wall of the filter cartridge is arranged at intervals from the inner wall of the tank body, a drain pipe is provided on the bottom of the tank body in the middle of the filter cartridge; the outlet end of the water inlet pipe extends into the middle space of the filter cartridge; the interior of each of the filter screen covers is divided from the inside to the outside into a plurality of filter cavities with successively increasing diameters, and different filter cavities are connected to each other.

[0006] Preferably, a partitioning mesh plate is provided inside the filter screen cover along its height direction, and the partitioning mesh plate divides the inside of the filter screen cover into a plurality of filter chambers.

[0007] Preferably, a detachable cover plate is provided at the bottom of each filter chamber.

[0008] Preferably, both sides of the support block are provided with mounting grooves in the vertical direction, and both sides of the filter screen cover are provided with mounting sliding blocks slidably connected to the mounting grooves.

[0009] Preferably, a positioning piece for positioning the mounting slide block is provided on the supporting block.

[0010] Preferably, the positioning member includes a positioning cavity opened on the support block, the positioning cavity is communicated with the inside of the installation slide groove, and two symmetrically arranged positioning blocks are elastically arranged in the positioning cavity. In the initial state, the positioning blocks do not protrude from the inner wall of the positioning slide groove; the adjacent ends of the two positioning blocks are arranged as symmetrical inclined surfaces; a threaded screw rod extending to the top of the support block is arranged in the positioning cavity and rotates along the vertical direction, and a driving block is threaded on the threaded screw rod, and both sides of the driving block are arranged with slope surfaces with the same slope as the corresponding inclined surfaces of the positioning blocks.

[0011] Preferably, a countersunk hole is arranged at the top of the support block, a top of the threaded screw is located in the countersunk hole, and an adjusting groove is arranged at the top of the threaded screw.

[0012] Preferably, the bottom of the water inlet pipe is sealed, and water outlet holes are arranged on the outer wall along the height direction thereof.

[0013] Preferably, the water inlet pipe is rotatably arranged on the sealing cover, and after the top end of the water inlet pipe passes through the top end of the sealing cover, it is connected to the hollow shaft motor arranged on the top end of the sealing cover; a mounting frame is arranged on the water inlet pipe, and bristles that contact the inner wall of the filter screen cover are arranged on the mounting frame.

[0014] Preferably, the inner wall at the top end of the tank body is provided with a mounting flange, and the sealing cover is detachably connected to the mounting flange by bolts.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model arranges multiple independent filter screens in the tank body and multiple filter cavities in the filter screens, so as to improve the convenience of replacing the adsorption filler while ensuring the filtering effect; specifically, when the adsorption filler needs to be replaced, the corresponding filter screen can be taken out and the adsorption filler can be replaced in a targeted manner, which not only avoids the waste of the adsorption filler, but also improves the convenience of replacing the adsorption filler, and has a simple structure, easy operation and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the present application;

[0017] Figure 2 A top view of a tank body according to an embodiment of the present application;

[0018] Figure 3 This is a schematic diagram of the structure of the filter screen cover according to an embodiment of the present application;

[0019] Figure 4 A partial cross-sectional view of a support block according to an embodiment of the present application;

[0020] Figure 5 This is a schematic structural diagram of a sealing cover plate according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] The following is a clear and complete description of the present invention in conjunction with the accompanying drawings and embodiments:

[0022] like Figures 1 to 5 As shown, a circulating water bypass filtration device described in the utility model comprises a tank body 1, a support leg is arranged at the bottom end of the tank body 1, a mounting flange 2 is arranged on the inner wall of the top end of the tank body 1 along its circumferential direction, and a sealing cover 3 is detachably connected to the mounting flange 2 by bolts; a drain pipe 4 and a water inlet pipe 5 are respectively arranged on the tank body 1, which are respectively used for the input of sewage and the output of filtered water flow; the bottom circle of the tank body 1 is a flat circular structure, and a plurality of support blocks 6 are arranged on it along the circumferential direction, and a filter screen cover 7 is detachably arranged between two adjacent support blocks 6, and the filter screen cover 7 has an arc-shaped structure with a hollow interior, and filter screens are arranged on the front and rear sides, and the aperture of the filter screen is smaller than the particle size of the adsorption filler to accommodate and place the filler; the filter screen cover 7 is preferably sealed on the side adjacent to the filter screen to prevent water from flowing out of one side of the filter screen cover 7 during filtration.

[0023] After the plurality of filter screen covers 7 and the plurality of support blocks 6 are installed in cooperation with each other, a hollow filter cartridge is enclosed in the tank body 1, wherein the outer wall of the filter cartridge is arranged at intervals with the inner wall of the tank body 1, providing a space for the filtered water flow to be discharged and flowed, and the drain pipe 4 is connected and arranged at the bottom of the side wall of the tank body 1, so that the filtered water flow can be discharged in time; a sewage pipe 8 is connected and arranged at the bottom of the tank body 1 in the middle of the filter cartridge, which is used to discharge the filtered impurities regularly; in this embodiment, valves are provided on the sewage pipe 8 and the drain pipe 4 to control their opening and closing; wherein the outlet end of the water inlet pipe 5 extends into the middle space of the filter cartridge, so that the sewage can enter the filter cartridge enclosed by the plurality of filter screen covers 7, flow from the inside to the outside, and realize the filtering operation; the interior of each filter screen cover 7 is divided from the inside to the outside into a plurality of filter chambers 9 with successively enlarged diameters, and different filter chambers 9 are connected to each other, and different filter chambers 9 are used to place different adsorption fillers to ensure the filtering effect, and the specific number of filter chambers 9 can be matched and set according to the composition of impurities in the sewage and the type of adsorption filler to be used.

[0024] Furthermore, each filter screen cover 7 is provided with a partitioning mesh plate 10 along its height direction, and the partitioning mesh plate 10 divides the interior of the filter screen cover 7 into multiple filter chambers 9; a cover plate is detachably provided at the bottom of each filter chamber 9, and the cover plate can be fixed by bolts at the bottom position of the filter screen cover 7 corresponding to each filter chamber 9. Different cover plates are provided for different filter chambers 9, which is beneficial to the targeted discharge of the adsorption filler in the corresponding filter chamber 9 from the bottom in a timely manner, thereby improving the convenience of replacing the adsorption filler.

[0025] Furthermore, mounting grooves 11 are provided on both sides of the support block 6 in the vertical direction, and mounting slide blocks 12 are provided on both sides of the filter screen cover 7 that are slidably connected to the mounting grooves 11; the filter screen cover 7 is slidably provided between the two support blocks 6 via the mounting slide blocks 12. In order to ensure the stability of the filter screen cover 7 during the filtering process, the present embodiment provides a positioning member for positioning the mounting slide block 12 on the support block 6. Specifically, the positioning member includes a positioning cavity 13 provided on the support block 6, the positioning cavity 13 is located at the upper part of the support block 6, the positioning cavity 13 is communicated with the inside of the mounting groove 11, and two symmetrically arranged positioning blocks 14 are elastically provided in the positioning cavity 13 by means of springs. In the initial state, the positioning blocks 14 do not protrude from the inner wall of the mounting groove 11 to ensure that the sliding installation of the mounting slide block 12 and the mounting groove 11 is not affected; the adjacent ends of the two positioning blocks 14 are provided as symmetrical inclined surfaces; a positioning member extending to the support block 12 is provided in the positioning cavity 13 that rotates in the vertical direction. 6, a threaded screw rod 15 is provided with a driving block 16 on the threaded screw rod 15, and both sides of the driving block 16 are provided with slopes with the same slope as the corresponding positioning block 14. In the initial state, the lower slope of the driving block 16 contacts the upper slope of the positioning block 14; when working, by rotating the threaded screw rod 15, the driving block 16 can be driven to move downward in the accommodating cavity, thereby pushing the positioning block 14 to move outward and abut against the upper part of the positioning slider, completing the limit of the filter screen cover 7, and ensuring the stability of the filter screen cover 7 during filtering. Preferably, a limit slider 17 can be provided on the driving block 16, and a limit slide groove for the limit slider 17 to slide is provided on the inner wall of the accommodating cavity, providing limit and guidance for the up and down movement of the driving block 16.

[0026] In addition, a countersunk hole 18 is provided at the top of the support block 6, and the top of the threaded screw 15 is located in the countersunk hole 18 to reduce the occupation of external space; an adjustment groove 19 is provided at the top of the threaded screw 15, and the cross-section of the adjustment groove 19 is a hexagonal structure, which is used for tools such as an electric drill or an Allen wrench to be inserted therein to perform rotational adjustment operations on the threaded screw 15.

[0027] Furthermore, in the present embodiment, the bottom of the water inlet pipe 5 is sealed, and a water outlet hole 20 is arranged on the outer wall along its height direction; such an arrangement can directly realize the injection of water to the filter screen cover 7, realize the rapid filtration of sewage, and can also avoid the situation that the water outlet hole 20 is arranged at the bottom, and the water outlet hole 20 is blocked as the filter material inside the tank body 1 increases, thereby affecting the filtration efficiency; in addition, in the present embodiment, the water inlet pipe 5 is rotatably arranged on the sealing cover 3, and the top end of the water inlet pipe 5 passes through the top end of the sealing cover 3 and is connected to the hollow shaft motor 21 arranged at the top end of the sealing cover 3, and the top end of the water inlet pipe 5 passes through the hollow shaft motor 21 and is rotatably connected to the conveying pipe for controlling the sewage source; a mounting frame 22 is arranged on the water inlet pipe 5, and the mounting frame 22 is preferably an L-shaped structure, and bristles contacting the inner wall of the filter screen cover 7 are arranged on the mounting frame 22. When working, the rotation of the hollow shaft motor 21 drives the water inlet pipe 5 to rotate, so that the dirt attached to the inner wall of the filter screen cover 7 can be cleaned in time to ensure the filtration efficiency. In addition, a sealing block 23 pressed into the filter screen cover 7 is also provided at the bottom of the sealing cover 3 to seal the top of the filter screen cover 7 and prevent the adsorbed filler from splashing out from the top of the filter screen cover 7 due to the impact of water flow during filtering.

[0028] When the utility model is in use, firstly, different adsorption fillers are placed in the corresponding filter cavity 9, and then the filter screen cover 7 is slidably connected with the supporting slider. After the filter screen cover 7 is installed, the threaded screw 15 is rotated to make the positioning block 14 move out of the positioning cavity 13 and press on the positioning slider to position and fix the filter screen cover 7; finally, the sewage is input into the filter cylinder formed by the multiple filter screen covers 7 through the water inlet pipe 5 on the top of the sealing cover 3 to carry out the filtering operation. The utility model has a simple structure, is easy to operate and has strong practicality.

Claims

1. A circulating water bypass filter device, comprising a tank body, a sealing cover is detachably provided on the top of the tank body, and a drain pipe and a water inlet pipe are provided on the tank body, characterized in that: A plurality of support blocks are arranged circumferentially at the bottom of the tank body, a filter screen cover is detachably provided between two adjacent support blocks, the plurality of filter screen covers cooperate with the plurality of support blocks to enclose a hollow filter cartridge in the tank body, the outer wall of the filter cartridge is arranged at intervals from the inner wall of the tank body, a sewage pipe is provided at the bottom of the tank body in the middle of the filter cartridge; the outlet end of the water inlet pipe extends into the middle space of the filter cartridge; the interior of each filter screen cover is divided into a plurality of filter cavities with successively increasing diameters from the inside to the outside, and different filter cavities are connected to each other.

2. The circulating water bypass filter device according to claim 1 is characterized in that: A partitioning mesh plate is arranged inside the filter screen cover along its height direction, and the partitioning mesh plate divides the inside of the filter screen cover into a plurality of filter chambers.

3. The circulating water bypass filter device according to claim 2 is characterized in that: A detachable cover plate is provided at the bottom of each filter cavity.

4. The circulating water bypass filter device according to claim 1, characterized in that: Both sides of the support block are provided with mounting slide grooves in the vertical direction, and both sides of the filter screen cover are provided with mounting sliding blocks slidably connected with the mounting slide grooves.

5. The circulating water bypass filter device according to claim 4 is characterized in that: The support block is provided with a positioning piece for positioning the installation slide block.

6. The circulating water bypass filter device according to claim 5, characterized in that: The positioning member includes a positioning cavity opened on the support block, the positioning cavity is communicated with the inside of the installation slide groove, two symmetrically arranged positioning blocks are elastically arranged in the positioning cavity, and in the initial state, the positioning blocks do not protrude from the inner wall of the positioning slide groove; the adjacent ends of the two positioning blocks are set as symmetrical inclined surfaces; a threaded screw rod extending to the top of the support block is arranged in the positioning cavity and rotates along the vertical direction, a driving block is threaded on the threaded screw rod, and both sides of the driving block are set to slope surfaces with the same slope as the corresponding inclined surfaces of the positioning blocks.

7. The circulating water bypass filter device according to claim 6, characterized in that: The top of the support block is provided with a countersunk hole, the top of the threaded screw is located in the countersunk hole, and the top of the threaded screw is provided with an adjusting groove.

8. The circulating water bypass filter device according to claim 1, characterized in that: The bottom of the water inlet pipe is sealed, and water outlet holes are arranged on the outer wall along the height direction of the water inlet pipe.

9. The circulating water bypass filter device according to claim 8, characterized in that: The water inlet pipe is rotatably arranged on the sealing cover. After the top end of the water inlet pipe passes through the top end of the sealing cover, it is connected to the hollow shaft motor arranged on the top end of the sealing cover. A mounting frame is arranged on the water inlet pipe, and bristles contacting the inner wall of the filter screen cover are arranged on the mounting frame.

10. The circulating water bypass filter device according to claim 1, characterized in that: The inner wall at the top end of the tank body is provided with a mounting flange, and the sealing cover is detachably connected to the mounting flange by bolts.

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