CN217909381U - Sewage treatment is with sedimentation tank supernatant flowing back equipment - Google Patents

Abstract

The utility model discloses a sedimentation tank supernatant flowing back equipment for sewage treatment relates to sewage treatment technical field, has solved current technique and has been utilized the supernatant that the mode of extraction liquid goes on to discharge, has the liquid disturbance that the non-laminar flow caused, causes the bottom precipitate to turn and produces turbid technical problem, including the cell body, the inlet tube has been seted up on lateral wall face top, cell body inside wall fixed mounting has the import breakwater, the cell body cross-section is the infundibulate, the mud fill has been seted up to the cell body bottom, the utility model discloses a drainage weir structure of liftable helps control switch drainage process and control displacement and drainage speed, filters through filtering sand and prevents floating the suspended solid of little particulate matter and incomplete settlement and filter, blocks through the floater and stops equipment and collects the showy sediment body, prevents to pile up and block up the drainage mouth to and pollute the clear liquid.

Description

Sewage treatment is with sedimentation tank supernatant flowing back equipment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sedimentation tank supernatant flowing back equipment for sewage treatment.

Background

The utility model mainly relates to a sewage treatment technique, sewage treatment (sewage treatment, water treatment): the sewage is purified to reach the water quality requirement of being discharged into a certain water body or being reused. Sewage treatment is widely applied to various fields such as building, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and also increasingly enters the daily life of common people, wherein the sedimentation tank is a structure for removing suspended matters in water by using sedimentation and is equipment for purifying water quality. The suspended substances in the water are removed by utilizing the natural sedimentation or coagulating sedimentation of the water. The sedimentation tank is divided into a horizontal sedimentation tank and a vertical sedimentation tank according to the water flow direction. The settling effect is determined by the flow rate of the water in the settling tank and the residence time of the water in the tank. In order to improve the sedimentation effect and reduce the land occupation area, a honeycomb inclined tube counter flow sedimentation tank, an accelerated clarification tank, a pulse clarification tank and the like are mostly adopted. Sedimentation basins are widely used in wastewater treatment. Considering flocculation factors during particle precipitation, it is assumed that the settling velocity of particles changes at equal acceleration, and the initial settling velocity is set to zero. Considering the flow velocity distribution inside the tube, the length of the inclined tube is: the method has the disadvantages that a in the formula d is the acceleration of the change of the settling velocity of the particles, namely a = du/dt, the three methods are different, for example, a device for extracting the supernatant in the siphon sedimentation tank is named, the utility model with the publication number of CN211513547U is disclosed, the supernatant is extracted by the change of the liquid level and automatically controlled, the water in the suction box is pumped by the hydraulic pump to generate a negative pressure state for siphoning, the liquid in the uppermost layer is always pumped by the liquid pumping port, the supernatant is discharged by the liquid pumping mode, and the technical problem that the bottom sediment is turned to generate turbidity due to liquid disturbance caused by non-laminar flow exists.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a sedimentation tank supernatant flowing back equipment for sewage treatment has solved the supernatant that current technique is that the mode that utilizes the extraction liquid goes on discharges, has the liquid disturbance that the non-laminar flow caused, causes the bottom precipitate to turn and produces turbid technical problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a sedimentation tank supernatant flowing back equipment for sewage treatment, includes the cell body, its characterized in that, the inlet tube has been seted up on cell body lateral wall face top, cell body inside wall fixed mounting has the import breakwater, the cell body cross-section is the infundibulate, the mud bucket has been seted up to the cell body bottom, the mud pipe has been seted up to the mud bucket lateral wall, drain is installed to the cell body lateral wall, install floater arresting gear in the cell body.

Preferably, the mud discharging device includes the dam body, dam body fixed mounting is in the cell body lateral wall, the U-shaped groove has been seted up to the dam body lateral wall, the lift groove has been seted up in the dam body, slidable mounting has the lift weir in the lift groove, lift weir lateral wall fixed mounting has laminar flow board, dam body lateral wall fixed mounting has the dross baffle, lift portion is installed to the wall under the lift weir, the filter house is installed to the dam body outside wall.

Preferably, lift portion includes first motor, wall on first motor fixed mounting goes up the lift inslot, first motor drive end fixed mounting has initiative bevel gear, the lift inslot goes up the wall and rotates and install the threaded rod, threaded rod lateral wall face fixed mounting has driven bevel gear, threaded connection has the elevating platform on the threaded rod, elevating platform slidable mounting is in the lift inslot, lift weir fixed mounting is in the lift upper wall, the water drainage tank has been seted up in the lift inslot, install the drain pipe in the water drainage tank.

Preferably, the filtering part comprises a U-shaped box, filtering sand is filled in the U-shaped box, a sand blocking plate is fixedly mounted on the upper wall surface of the U-shaped box, and a liquid discharge pipe is fixedly mounted at one end of the U-shaped box.

Preferably, the floater blocking device comprises a drainage tower which is fixedly installed on the side wall surface of the dam body, a submersible pump is fixedly installed on the side wall surface of the drainage tower, a return pipe is fixedly installed at the output end of the submersible pump, a floating barrel is movably installed at the top end of the drainage tower, and an isolation net is installed at the lower end of the floating barrel.

Preferably, a stopping cable is fixedly installed in the mud bucket side, a guard rail is fixedly installed in the tank body, a fence is fixedly installed at the top end of the tank body, the stopping cable is used for preventing large objects from sinking into the mud bucket, the distance between the setting position of the guard rail and the water surface is less than one meter, and the fence cannot climb.

Advantageous effects

The utility model provides a sedimentation tank supernatant flowing back equipment for sewage treatment, the utility model discloses a liftable drainage weir structure helps control switch drainage process and control displacement and drainage speed, filters through filtering sand and prevents that the small particles thing that floats and the incomplete suspended solid that subsides from filtering, blocks equipment through the floater and collects showy slag body, prevents to pile up and block up the drainage port to and pollute the clear liquid.

Drawings

Fig. 1 is the utility model discloses a main view section structure sketch map of sedimentation tank supernatant flowing back equipment for sewage treatment.

In the figure: 1. a tank body; 2. a water inlet pipe; 3. an inlet water baffle; 4. a mud bucket; 5. a sludge discharge pipe; 6. a dam body; 7. a lifting weir; 8. a laminar flow plate; 9. a scum baffle; 10. a first motor; 11. a drive bevel gear; 12. a threaded rod; 13. a driven bevel gear; 14. a lifting platform; 15. a drain pipe; 16. a U-shaped box; 17. filtering sand; 18. a sand-blocking plate; 19. a liquid discharge pipe; 20. a drainage tower; 21. a submersible pump; 22. a return pipe; 23. a float drum; 24. an isolation net; 25. a stopper cable; 26. protecting the fence; 27. a fence;

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a supernatant liquid drainage device of a sedimentation tank for sewage treatment comprises a tank body 1 and is characterized in that a water inlet pipe 2 is arranged at the top end of the side wall surface of the tank body 1, an inlet water baffle 3 is fixedly arranged on the inner side wall of the tank body 1, the section of the tank body 1 is funnel-shaped, a mud bucket 4 is arranged at the bottom of the tank body 1, a mud pipe 5 is arranged on the side wall of the mud bucket 4, a drainage device is arranged on the side wall of the tank body 1, a floater blocking device is arranged in the tank body 1, the mud discharging device comprises a dam body 6, the dam body 6 is fixedly arranged on the side wall of the tank body 1, a U-shaped groove is arranged on the side wall of the dam body 6, a lifting groove is arranged in the dam body 6, a lifting weir 7 is slidably arranged in the lifting groove, a laminar flow plate 8 is fixedly arranged on the side wall of the lifting weir 7, a scum baffle 9 is fixedly arranged on the side wall surface of the dam body 6, and a lifting part is arranged on the lower wall surface of the lifting weir 7, the outer side wall surface of the dam body 6 is provided with a filtering part, the lifting part comprises a first motor 10, the first motor 10 is fixedly arranged on the upper wall surface in a lifting groove, the driving end of the first motor 10 is fixedly provided with a driving bevel gear 11, the upper wall surface in the lifting groove is rotatably provided with a threaded rod 12, the side wall surface of the threaded rod 12 is fixedly provided with a driven bevel gear 13, the threaded rod 12 is in threaded connection with a lifting platform 14, the lifting platform 14 is slidably arranged in the lifting groove, the lifting weir 7 is fixedly arranged on the upper wall surface of the lifting platform 14, a drainage groove is formed in the lifting groove, a drainage pipe 15 is arranged in the drainage groove, the filtering part comprises a U-shaped box 16, the U-shaped box 16 is filled with filtering sand 17, the upper wall surface of the U-shaped box 16 is fixedly provided with a sand blocking plate 18, and one end of the U-shaped box 16 is fixedly provided with a drainage pipe 19, the floater arresting gear includes drainage tower 20, drainage tower 20 fixed mounting is in the 6 side wall of dam body, drainage tower 20 side wall fixed mounting has immersible pump 21, immersible pump 21 output fixed mounting has back flow 22, 20 top movable mounting of drainage tower has a flotation barrel 23, separation net 24 is installed to flotation barrel 23 lower extreme, fixed mounting has the arresting cable 25 in the 4 sides of bagger, fixed mounting has rail guard 26 in the cell body 1, 1 top fixed mounting of cell body has rail 27.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): as shown in figure 1, the first motor 10 and the submersible pump 21 are connected with an external controller and a power supply through leads, firstly sewage is poured into the pool body 1 through the water inlet pipe 2, the inlet baffle is used for blocking disturbance generated by liquid in the water inlet pipe 2, the water inlet pipe 2 is lower than the liquid level to prevent laminar flow generated in the sedimentation and drainage stage in the irrigation process, mud enters the mud bucket 4 after sedimentation, mud is pumped away through the mud pipe 5, mud is slowly pumped in the mud pipe 5 to prevent disturbance, the dam body 6 is provided with a U-shaped groove for drainage, the drainage is uniform and laminar flow is realized by the top end of the lifting weir 7 and the laminar flow plate 8 to prevent uneven sediment turning caused by disturbance generated by turbulent flow, the scum baffle 9 blocks scum and water surface garbage, clear liquid enters one end of the U-shaped box 16, is filtered and communicated to the other end through the filter sand 17 to overflow through the drainage pipe 19 for drainage, when the height of the lifting weir 7 is changed, the first motor 10 is started, the driving end of the first motor 10 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the driven bevel gear 13 engaged with the driving bevel gear to rotate, the driven bevel gear 13 drives the threaded rod 12 to rotate, the lifting platform 14 in threaded connection with the threaded rod 12 is slidably mounted on the inner wall of the lifting groove and moves up and down to enable the lifting weir 7 to lift and lower, the drainage height is changed, after the drainage tower 20 is filled with water, the submersible pump 21 is started to suck the liquid into the return pipe 22, the liquid in the return pipe 22 flows back into the water inlet pipe 2 to be filtered, the floating garbage is automatically adjusted in height through the floating barrel 23 to suck the garbage, the garbage generated by continuous operation is prevented from being accumulated, the blocking cable 25 is used for preventing large-sized coagulated block objects from being sucked into the sludge discharge pipe 5 in the sludge hopper 4, the protective guard 26 is used for preventing personnel from entering the sludge hopper 4, the fence 27 is used for blocking the personnel from entering the tank body 1, the occurrence of accidents is avoided.

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.

Claims (6)

1. The utility model provides a sedimentation tank supernatant flowing back equipment for sewage treatment, includes cell body (1), its characterized in that, inlet tube (2) have been seted up on cell body (1) lateral wall face top, cell body (1) inside wall fixed mounting has import breakwater (3), cell body (1) cross-section is the infundibulate, mud bucket (4) have been seted up to cell body (1) bottom, mud pipe (5) have been seted up to mud bucket (4) lateral wall, flowing back device is installed to cell body (1) lateral wall, install floater arresting gear in cell body (1).

2. The supernatant drainage device of the sedimentation tank for sewage treatment as claimed in claim 1, wherein the sludge discharge device comprises a dam body (6), the dam body (6) is fixedly mounted on the side wall of the tank body (1), the side wall of the dam body (6) is provided with a U-shaped groove, a lifting groove is formed in the dam body (6), a lifting weir (7) is slidably mounted in the lifting groove, the side wall of the lifting weir (7) is fixedly provided with a laminar flow plate (8), the side wall of the dam body (6) is fixedly provided with a scum baffle (9), a lifting part is mounted on the lower wall of the lifting weir (7), and a filtering part is mounted on the outer side wall of the dam body (6).

3. The supernatant drainage device of the sedimentation tank for sewage treatment as claimed in claim 2, wherein the lifting part comprises a first motor (10), the first motor (10) is fixedly mounted on an upper wall surface in a lifting groove, a driving bevel gear (11) is fixedly mounted at a driving end of the first motor (10), a threaded rod (12) is rotatably mounted on the upper wall surface in the lifting groove, a driven bevel gear (13) is fixedly mounted on a side wall surface of the threaded rod (12), a lifting platform (14) is connected to the threaded rod (12) through a thread, the lifting platform (14) is slidably mounted in the lifting groove, a lifting weir (7) is fixedly mounted on the upper wall surface of the lifting platform (14), a drainage groove is formed in the lifting groove, and a drainage pipe (15) is mounted in the drainage groove.

4. The supernatant drainage device of the sedimentation tank for sewage treatment as claimed in claim 3, wherein the filtering part comprises a U-shaped tank (16), the U-shaped tank (16) is filled with filtering sand (17), a sand blocking plate (18) is fixedly mounted on the upper wall surface of the U-shaped tank (16), and a drainage pipe (19) is fixedly mounted at one end of the U-shaped tank (16).

5. The supernatant drainage device of the sedimentation tank for sewage treatment as claimed in claim 4, wherein the floating object blocking device comprises a drainage tower (20), the drainage tower (20) is fixedly installed on the side wall surface of the dam body (6), a submersible pump (21) is fixedly installed on the side wall surface of the drainage tower (20), a return pipe (22) is fixedly installed at the output end of the submersible pump (21), a floating barrel (23) is movably installed at the top end of the drainage tower (20), and an isolation net (24) is installed at the lower end of the floating barrel (23).

6. The supernatant drainage device of the sedimentation tank for sewage treatment as claimed in claim 1, wherein a stopping rope (25) is fixedly installed inside the mud bucket (4), a guard rail (26) is fixedly installed inside the tank body (1), and a fence (27) is fixedly installed at the top end of the tank body (1).

Images