CN217398682U - Cleaning and sand discharging device convenient for sand-water separation for cyclone sand basin - Google Patents

Abstract

The utility model discloses a clean sand discharging device for a cyclone sand basin convenient for sand-water separation, which comprises a basin body and a sand hopper, wherein the sand hopper is fixedly arranged at the bottom in the basin body, the top of the basin body is provided with a driving mechanism, one side of the driving mechanism is provided with a water inlet pipe connected with the inside of the basin body, the utility model can clean the inner wall of the basin body while rotating and stirring sewage through the matched use of a sleeve, a support rod, a scraper blade, a stop block, a first spring, a connecting rod, a slide rod, a second spring, a slide block and the driving mechanism, and prevents silt from remaining on the inner wall of the basin body, so that the clean sand discharging effect is better and the practicability is stronger; through the use of the mounting bracket, filter screen frame, active carbon filter screen, connecting block, inserted block, fixed block, magnet and the ejector pad that are equipped with, make it can filter the water of separating out, adsorb impurity wherein, also convenient to detach active carbon filter screen simultaneously, conveniently change or clear up it.

Description

Cleaning and sand discharging device convenient for sand-water separation for cyclone sand basin

Technical Field

The utility model relates to a sewage treatment device technical field specifically is sand device is arranged with clean to cyclone desilting pond for sand-water separation is convenient for.

Background

The sewage inevitably mixes into silt in the migration, flow and collection processes. If the sand in the sewage is not removed by settlement separation in advance, the operation of subsequent treatment equipment can be influenced, most importantly, a mechanical pump can be abraded, a pipe network can be blocked, and the biochemical treatment process can be interfered and even damaged. The cyclone grit chamber is a grit device which controls the flow state and the flow speed of water flow by using mechanical force, accelerates the precipitation of sand particles and brings away organic matters along with the water flow. The grit chamber comprises inflow port, egress port, grit zone, sand hopper, turbine drive arrangement and sand discharge system etc.. Sewage flows into the sand settling area from the tangential direction of the inflow port, and the water inlet channel is provided with a water falling weir, so that sand possibly deposited at the bottom of the channel slides downwards into the sand settling tank; and a baffle is also arranged, so that water flow and sand flow towards the bottom of the sand basin when entering the sand basin, and the wall attachment effect is enhanced. The middle of the grit chamber is provided with a speed-adjustable paddle board to keep the water flow in the chamber circulating. The paddle board, the baffle and the water inflow are combined together, the rotating turbine blades enable sand grains to flow spirally, separation of organic matters and the sand grains is promoted, and due to different centrifugal forces, the sand grains with higher relative density are thrown to the pool wall and sink into the sand hopper under the action of gravity; and the lighter organic matters are separated from the sand in the middle part of the grit chamber, and the organic matters are taken out of the chamber along with the effluent cyclone. By adjusting the rotating speed, the optimal sand setting effect can be achieved. The settled sand in the sand hopper can be removed by adopting air lifting, sand discharging by a sand discharging pump and the like, and the standard of clean sand discharging is achieved through sand-water separation.

The existing rotational flow grit chamber is easy to have silt attached to the inner wall of the grit chamber in the sand discharging process, so that the sand discharging is not thorough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cyclone desilting basin is with clean husky device of arranging convenient to husky water separation to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: cyclone sand sedimentation pond is with clean husky device of arranging convenient to husky water separation, including cell body, sand hopper, the sand hopper is fixed to be set up in the cell body bottom, the cell body top is equipped with actuating mechanism, actuating mechanism one side is equipped with the inlet tube of being connected with in the cell body, actuating mechanism is connected with the rotatory clearance mechanism that the cell body inboard was equipped with, cell body one side is equipped with the collecting box, the collecting box is linked together with the sand hopper through the outlet pipe that has the solenoid valve, be equipped with filtering mechanism in the collecting box, the sleeve that rotatory clearance mechanism was equipped with including the symmetry, the sleeve inboard is equipped with branch, just branch one end extends to the outer swing joint of sleeve has the scraper blade, the laminating of scraper blade one end and cell body inside wall, be equipped with dog and first spring in the sleeve, the dog is located the one side that is close to branch.

Further, rotatory clearance mechanism still includes the spout that the sleeve bottom was seted up, be equipped with the slide bar in the spout, the cover is equipped with second spring and slider in the spout and on being located the outer wall of slide bar, the slider is located the one side that is close to the scraper blade, the lower extreme of slider passes through lower extreme one side swing joint of connecting rod and scraper blade to can stir sewage, when making silt separation deposit, can clear up the inner wall in husky pond, scrape its surface adhesion's silt down, the scraper blade can be suitable for automatically simultaneously and use with different inclination's wall.

Furthermore, the driving mechanism comprises a control box arranged at the top of the tank body, a first support is arranged at the upper part of the inner side of the control box, lead screws are symmetrically arranged below the first support in the control box, belt pulleys are symmetrically arranged above the first support in the control box and are sleeved on the outer walls of the lead screws, the belt pulleys are connected through belts, a servo motor is connected to the top of the lead screws at one side in the control box, a second support is arranged below the first support, two ends of the second support are sleeved on the outer walls of the lead screws at two sides, a motor is arranged between the second support and the first support, an output shaft of the motor penetrates through the second support to be connected with a rotating shaft, the lower end of the rotating shaft is inserted into the tank body and is fixedly connected with one end of a sleeve, a silt content detector is arranged on the outer wall of the rotating shaft in the tank body, a good stable supporting effect is achieved, and meanwhile the rotating shaft can be used for adjusting the position in the up-down direction, thereby driving the rotary cleaning mechanism to work and being more convenient to use.

Further, the filtering mechanism comprises a mounting frame arranged on one side in the collecting box, a filter screen frame is arranged on the inner side of the mounting frame, an activated carbon filter screen is arranged on the inner side of the filter screen frame, the upper end of the filter screen frame penetrates through the top of the collecting box, adjusting grooves are symmetrically arranged on the top of the filter screen frame, connecting blocks are arranged in the adjusting grooves, inserting blocks symmetrically arranged on the top of the filter screen frame are connected to the upper ends of the two connecting blocks respectively, fixed blocks are symmetrically arranged on the top of the collecting box and located on two sides of the filter screen frame, slots are formed in the opposite inner sides of the fixed blocks, one ends of the inserting blocks are inserted into the slots, magnets are embedded in the side walls of the inserting blocks in the slots, iron sheets are arranged on the side walls, corresponding to the magnets, of the inserting blocks are arranged on the tops of the ends, far away from the fixed blocks, of the inserting blocks are provided with push blocks, so that separated water is filtered, impurities in the inserting blocks are adsorbed, and the activated carbon filter screen is convenient to disassemble, in order to replace or clean it.

Furthermore, the second support is movably connected with a screw rod through a screw rod nut, and the screw rod is movably connected with the first support and the tank body so as to drive the second support to drive the motor and the rotating shaft to move.

Furthermore, the connecting block is a convex mechanism, the adjusting groove is matched with the connecting block, the connecting block is in sliding connection with the adjusting groove, a certain limiting effect is achieved, and meanwhile the connecting block can only move along the track of the adjusting groove.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model is used by matching the sleeve, the support rod, the scraper blade, the stop block, the first spring, the connecting rod, the slide bar, the second spring, the slide block and the driving mechanism, so that the inner wall of the tank body can be cleaned while the sewage is stirred in a rotating way, silt is prevented from remaining on the inner wall of the tank body, the cleaning and sand discharging effects are better, and the practicability is stronger;

2. the utility model discloses a use of mounting bracket, filter screen frame, active carbon filter screen, connecting block, inserted block, fixed block, magnet and ejector pad that are equipped with makes it can filter the water of isolating, adsorbs impurity wherein, and also convenient to detach active carbon filter screen simultaneously is convenient for change or clear up it.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic view of the internal structure of the control box of the present invention;

fig. 3 is a schematic structural view between the sleeve and the support rod of the present invention;

FIG. 4 is a schematic sectional view of the collecting box of the present invention;

fig. 5 is an enlarged schematic view of a in fig. 3 according to the present invention;

fig. 6 is an enlarged schematic view of B in fig. 4 according to the present invention;

fig. 7 is a schematic structural diagram of the connecting block of the present invention;

in the figure: 1. a tank body; 2. a sand hopper; 3. a control box; 4. a first bracket; 5. a screw rod; 6. a belt pulley; 7. a belt; 8. a servo motor; 9. a second bracket; 10. a motor; 11. a rotating shaft; 12. a sleeve; 13. a strut; 14. a squeegee; 15. a stopper; 16. a first spring; 17. a connecting rod; 18. a chute; 19. a slide bar; 20. a second spring; 21. a slider; 22. a water outlet pipe; 23. a collection box; 24. a mounting frame; 25. a screen frame; 26. an active carbon filter screen; 27. connecting blocks; 28. an adjustment groove; 29. inserting a block; 30. a fixed block; 31. a magnet; 32. a slot; 33. a push block; 34. a water inlet pipe; 35. silt content detector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The cleaning and sand discharging device for the rotational flow sand basin convenient for separating sand and water as shown in figures 1-3 and 5 comprises a basin body 1 and a sand hopper 2, wherein the sand hopper 2 is arranged at the bottom in the basin body 1, a water inlet pipe 34 is arranged at one side of the top of the basin body 1, one end of the water inlet pipe 34 is inserted into the basin body 1, a driving mechanism is arranged at one side of the water inlet pipe 34 at the top of the basin body 1, the driving mechanism comprises a control box 3 fixedly arranged at the top of the basin body 1, a first bracket 4 is fixedly arranged at the upper part of the inner side of the control box 3, screw rods 5 are symmetrically arranged in the control box 3 and below the first bracket 4, the upper ends of the screw rods 5 penetrate through the top of the first bracket 4, belt pulleys 6 are symmetrically arranged above the first bracket 4 in the control box 3 and are sleeved on the outer wall of the screw rods 5, the belt pulleys 6 are connected through a belt 7, a servo motor 8 is connected at the top of one side 5 in the control box 3, a second bracket 9 is arranged below the first bracket 4, the two ends of a second support 9 are sleeved on the outer walls of the lead screws 5 on the two sides, a motor 10 is arranged between the second support 9 and a first support 4, an output shaft of the motor 10 penetrates through the second support 9 to be connected with a rotating shaft 11, the lower end of the rotating shaft 11 is inserted into the tank body 1, a silt content detector 35 is arranged on the outer wall of the rotating shaft 11 in the tank body 1 to detect whether silt in sewage is precipitated, in the embodiment, the lead screw 5 is rotatably connected with the tank body 1 and the first support 4, the second support 9 is movably connected with the lead screw 5 through a lead screw nut to drive the second support 9 to move up and down, a rotary cleaning mechanism is arranged on the inner side of the tank body 1 and is connected with the rotating shaft 11, the rotary cleaning mechanism comprises sleeves 12 symmetrically arranged on the two sides of the rotating shaft 11 in the tank body 1, supporting rods 13 are arranged on the inner side of the sleeves 12, one end of the supporting rods 13 extends to the outer side of the sleeves 12 and is movably connected with a scraper 14, and one side surface of the scraper 14 is attached to the inner side wall of the tank body 1, a block 15 and a first spring 16 are arranged on the inner side of the sleeve 12, the block 15 is positioned on one side close to the support rod 13, a chute 18 is arranged at the bottom of the sleeve 12, a slide rod 19 is arranged on the inner side of the chute 18, a second spring 20 and a slide block 21 are sleeved in the chute 18 and on the outer wall of the slide rod 19, the slide block 21 is positioned on one side close to the scraper 14, the lower end of the slide block 21 is movably connected with one side of the lower end of the scraper 14 through a connecting rod 17, in the embodiment, 2 sleeves 12 are arranged, the number of the sleeves 12 can be increased according to actual conditions and requirements, the block 15 is fixedly connected with the support rod 13, the block 15 is slidably connected with the inner side wall of the sleeve 12, two ends of the first spring 16 are respectively fixedly connected with the block 15 and the sleeve 12, the slide block 21 is slidably connected with the slide rod 19, two ends of the second spring 20 are respectively fixedly connected with the block 21 and the sleeve 12, and are connected with the slide block 21 through the connecting rod 17, The matching of the sliding rod 19 and the second spring 20 can play a certain supporting role for the scraper 14, so that the scraper can correspondingly change along with the inclination degree of the wall surface attached with the scraper; a collecting box 23 is arranged at one side of the tank body 1, the collecting box 23 is communicated with the sand hopper 2 through a water outlet pipe 22 with an electromagnetic valve, and the electromagnetic valve is arranged at the outlet of the sand hopper 2.

The implementation mode is specifically as follows: when in use, sewage is guided into the tank body 1 through the water inlet pipe 34, the starting motor 10 drives the rotating shaft 11 to rotate, so that the rotating shaft 11 drives the sleeve 12 connected with the rotating shaft to synchronously rotate, so that the sleeve 12 drives the supporting rod 13 to rotate, and then the scraper 14 connected with the supporting rod is driven to rotate, so that the scraper 14 cleans silt corresponding to the scraper 14 on the inner wall of the tank body 1, the silt adhered to the inner wall of the tank body is scraped off, and the cleaning effect is improved, and then the servo motor 8 is started to drive the screw rod 5 on one side to rotate, so that the belt pulley 6 and the belt 7 drive the other screw rod 5 to synchronously rotate, so that the bracket two 9 drives the motor 10 and the rotating shaft 11 to move up and down under the action of the screw rod nut, so as to drive the sleeve 12 to move up and down, so that the scraper 14 synchronously moves, different positions on the inner wall of the tank body 1 are cleaned, and the scraper 14 moves up and down along with the scraper 14, under the effect of 1 inner wall of cell body, make scraper blade 14 take place the slope change of certain angle, thereby promote connecting rod 17, make connecting rod 17 promote slider 21 and slide along slide bar 19, thereby extrude second spring 20, make second spring 20 warp the production with the opposite power of atress direction, thereby reverse effect is on scraper blade 14, make scraper blade 14 and 1 inner wall support of cell body closely laminate, thereby it clears up 1 inner wall different positions of cell body to rotate under the effect of pivot 11, prevent that silt from remaining on 1 inner wall of cell body, improve the effect of clean sediment removal, the practicality is stronger, stirring sewage when sleeve 12 and branch 13 are rotatory, make sand grain separate and deposit to in sand hopper 2, discharge through its opening, and the water of separating then the accessible is opened the solenoid valve that outlet pipe 22 connects and is collected in collection box 23 with its row.

As shown in fig. 1, 4, 6 and 7, the cleaning and sand discharging device for a cyclone sand basin convenient for separating sand and water comprises a mounting frame 24 disposed at one side in a collecting box 23, a filter frame 25 mounted at the inner side of the mounting frame 24, an activated carbon filter screen 26 fixedly connected at the inner side of the filter frame 25, the upper end of the filter frame 25 passing through the top of the collecting box 23, adjusting grooves 28 symmetrically disposed at the top of the filter frame 25, connecting blocks 27 disposed in the adjusting grooves 28, inserting blocks 29 symmetrically disposed at the top of the filter frame 25 and connected at the upper ends of the two connecting blocks 27, fixing blocks 30 symmetrically disposed at the top of the collecting box 23 and at the two sides of the filter frame 25, slots 32 disposed at the opposite inner sides of the fixing blocks 30, one ends of the inserting blocks 29 inserted into the slots 32, magnets 31 embedded at the side walls of the inserting blocks 29 in the slots 32, and pushing blocks 33 disposed at the tops of the inserting blocks 29 far from the fixing blocks 30, connecting block 27 is type structure, adjustment tank 28 and connecting block 27 looks adaptation, and connecting block 27 and 28 inner wall sliding connection of adjustment tank, play certain restriction effect, make the inserted block 29 only can remove along the orbit of adjustment tank 28 simultaneously, be equipped with the iron sheet with the corresponding side lateral wall of magnet 31 in the slot 32, make magnet 31 adsorb the iron sheet, thereby realize certain connection fixed, the iron sheet also can be replaced into other metal or heteropolar magnet that can inhale mutually with magnet 31, realize the same effect.

The implementation mode is specifically as follows: when the water purifier is used, separated water is guided into the collecting box 23 through the water outlet pipe 22, then impurity filtering and adsorbing treatment can be carried out through the activated carbon filter screen 26, when the activated carbon filter screen 26 needs to be replaced or the activated carbon filter screen 26 needs to be cleaned, only the push block 33 needs to be pulled to move towards the opposite inner side direction, so that the insert block 29 is driven to drive the connecting block 27 to move along the track of the adjusting groove 28, until one end of the insert block 29 inserted into the slot 32 is moved out, the filter screen frame 25 can be pulled up to be integrally taken out, so that the activated carbon filter screen 26 can be cleaned or replaced, when the activated carbon filter screen 26 needs to be installed in the collecting box 23, only the filter screen frame 25 and the activated carbon filter screen 26 need to be inserted into the mounting frame 24 in the collecting box 23, then the push block 33 is pushed to drive the insert block 29 and the connecting block 27 to move, so that one end of the insert block 29 is inserted into the slot 32 and is connected with an iron sheet through the magnet 31, thereby realizing fixation and finishing installation.

The utility model discloses the theory of operation:

referring to the attached drawings 1-3 and 5 of the specification, sewage is introduced into the tank body 1 through the water inlet pipe 34, the motor 10 is started to drive the rotating shaft 11, thereby driving the sleeve 12 and the supporting rod 13, so that the scraper 14 rotates and cleans silt corresponding to the scraper 14 on the inner wall of the tank body 1, then the servo motor 8 is started to drive the screw rod 5 on one side to rotate, thereby driving the screw rod 5 on the other side to rotate through the belt pulley 6 and the belt 7, further driving the bracket two 9, the motor 10 and the rotating shaft 11 to move up and down, thereby adjusting the position of the scraper 14, so that the scraper 14 cleans different positions of the inner wall of the tank body 1, while the scraper 14 moves, the scraper 14 can change angle along with the inner wall of the tank body 1 under the action of the inner wall surface of the tank body 1, thereby driving the connecting rod 17, further driving the sliding block 21 to extrude the second spring 20, the scraper 14 is tightly attached to the inner wall of the tank body 1 under the action of the second spring 20, thereby cleaning the inner wall of the tank body 1 under the driving of the rotating shaft 11, silt is prevented from remaining on the inner wall of the tank body 1, so that the inner wall of the tank body 1 can be cleaned while the sleeve 12 and the support rod 13 stir sewage, the effect of cleaning and discharging the silt is improved, and the use is more convenient;

further, referring to the attached drawings 1, 4, 6 and 7 of the specification, the separated sewage is poured into the collection box 23 through the water outlet pipe 22, the activated carbon filter screen 26 filters and adsorbs impurities therein, when the activated carbon filter screen 26 needs to be replaced or cleaned, the push block 33 only needs to be pulled towards the inner side of the push block 33, so that the insert block 29 and the connecting block 27 are driven to move, the filter screen frame 25 and the activated carbon filter screen 26 can be pulled upwards to be taken out for cleaning or replacement after the insert block 29 is inserted into one end of the slot 32 and moved out, after cleaning and replacement, the filter screen frame 25 and the activated carbon filter screen 26 only need to be inserted into the inner side of the mounting frame 24 in the collection box 23, the push block 33 is pushed to drive the insert block 29, one end of the insert block 29 is inserted into the slot 32, and the magnet 31 is connected with iron sheets, so that connection and fixation are realized, and the assembly and disassembly are convenient, and the use is more convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. Cyclone sand basin is with clean sediment discharge device convenient to sand-water separation, including cell body (1), sand hopper (2), its characterized in that: the sand hopper (2) is fixedly arranged at the bottom in the tank body (1), a driving mechanism is arranged at the top of the tank body (1), a water inlet pipe (34) connected with the inside of the tank body (1) is arranged on one side of the driving mechanism, the driving mechanism is connected with a rotary cleaning mechanism arranged on the inner side of the tank body (1), a collecting box (23) is arranged on one side of the tank body (1), the collecting box (23) is communicated with the sand hopper (2) through a water outlet pipe (22) with an electromagnetic valve, a filtering mechanism is arranged in the collecting box (23), the rotary cleaning mechanism comprises sleeves (12) symmetrically arranged, a supporting rod (13) is arranged on the inner side of each sleeve (12), one end of each supporting rod (13) extends to the outside of each sleeve (12) and is movably connected with a scraper (14), one end of each scraper (14) is attached to the inner side wall of the tank body (1), a stop block (15) and a first spring (16) are arranged in each sleeve (12), the stop block (15) is positioned on one side close to the support rod (13).

2. The cleaning and sand-discharging device for the rotational flow desilting basin convenient for the separation of sand and water as claimed in claim 1, wherein: the rotary clearing mechanism further comprises a sliding groove (18) formed in the bottom of the sleeve (12), a sliding rod (19) is arranged in the sliding groove (18), a second spring (20) and a sliding block (21) are sleeved on the outer wall of the sliding rod (19) in the sliding groove (18), the sliding block (21) is located on one side close to the scraper (14), and the lower end of the sliding block (21) is movably connected with one side of the lower end of the scraper (14) through a connecting rod (17).

3. The cleaning and sand-discharging device for the rotational flow desilting basin convenient for the separation of sand and water as claimed in claim 1, wherein: the driving mechanism comprises a control box (3) arranged at the top of the pool body (1), a first support (4) is arranged at the upper part of the inner side of the control box (3), lead screws (5) are symmetrically arranged below the first support (4) in the control box (3), belt pulleys (6) are symmetrically arranged above the first support (4) in the control box (3) and are sleeved on the outer wall of the lead screws (5), the belt pulleys (6) are connected through belts (7), a servo motor (8) is connected to the top of the lead screws (5) at one side in the control box (3), a second support (9) is arranged below the first support (4), two ends of the second support (9) are sleeved on the outer walls of the lead screws (5) at two sides, a motor (10) is arranged between the second support (9) and the first support (4), an output shaft of the motor (10) penetrates through the second support (9) and is connected with a rotating shaft (11), the lower end of the rotating shaft (11) is inserted into the tank body (1) and is fixedly connected with one end of the sleeve (12), and a silt content detector (35) is arranged in the tank body (1) and on the outer wall of the rotating shaft (11).

4. The cleaning and sand-discharging device for the rotational flow desilting basin convenient for the separation of sand and water as claimed in claim 1, wherein: the filtering mechanism comprises a mounting frame (24) arranged on one side in the collecting box (23), wherein a filter screen frame (25) is arranged on the inner side of the mounting frame (24), an activated carbon filter screen (26) is arranged on the inner side of the filter screen frame (25), the upper end of the filter screen frame (25) penetrates through the top of the collecting box (23), adjusting grooves (28) are symmetrically arranged at the top of the filter screen frame (25), connecting blocks (27) are arranged in the adjusting grooves (28), the upper ends of the two connecting blocks (27) are respectively connected with inserting blocks (29) symmetrically arranged at the top of the filter screen frame (25), fixing blocks (30) are symmetrically arranged at the top of the collecting box (23) and positioned on two sides of the filter screen frame (25), slots (32) are formed in the opposite inner sides of the fixing blocks (30), one ends of the inserting blocks (29) are inserted into the slots (32), and magnets (31) are embedded in the side walls of one ends of the inserting blocks (29) of the slots (32), the side wall of the slot (32) corresponding to the magnet (31) is provided with an iron sheet, and the top of one end of the insertion block (29) far away from the fixed block (30) is provided with a push block (33).

5. The cleaning and sand-discharging device for the rotational flow sand basin convenient for separating sand from water as claimed in claim 3, wherein: the second support (9) is movably connected with the screw rod (5) through a screw rod nut, and the screw rod (5) is movably connected with the first support (4) and the tank body (1).

6. The cleaning and sand-discharging device for the rotational flow desilting basin convenient for the separation of sand and water as claimed in claim 4, wherein: connecting block (27) are protruding font mechanism, adjustment tank (28) and connecting block (27) looks adaptation, just connecting block (27) and adjustment tank (28) sliding connection.

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