CN114314915A

CN114314915A - Sewage treatment plant for environmental protection

Info

Publication number: CN114314915A
Application number: CN202111600780.XA
Authority: CN
Inventors: 庄志杰; 蓝达群; 刘佳华
Original assignee: CNNC Huachen Engineering Management Co Ltd
Current assignee: CNNC Huachen Engineering Management Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-04-12
Anticipated expiration: 2041-12-24
Also published as: CN114314915B

Abstract

The application relates to a sewage treatment device for environmental protection, which sequentially comprises a grid tank, a regulating tank, an aeration tank, a sedimentation tank and the grid tank from the upstream to the downstream of the working procedure, the equalizing basin, aeration tank and sedimentation tank communicate in proper order, the water inlet has been seted up to one side of grid pond, grid pond fixed mounting has the grid machine, one side of grid pond is provided with a supporting bench, a supporting bench's top side fixed mounting has the collection box, first waterlogging caused by excessive rainfall hole has been seted up to the lateral wall of collection box, a supporting bench's top side is offered and is used for accepting the water catch bowl of first waterlogging caused by excessive rainfall hole exhaust water, a supporting bench's lateral wall fixed mounting has the guiding cell body, water catch bowl and guiding cell body intercommunication, the one end that a supporting bench was kept away from to the guiding cell body is provided with the storage water tank, the lateral wall fixed mounting of storage water tank has the drain pipe, the water pump is installed to the drain pipe, the discharge end of grid machine is installed and is used for sending the waste material into the guide mechanism of collection box. This application has the effect of the volume of the sewage that reduces debris and carry.

Description

Sewage treatment plant for environmental protection

Technical Field

The application relates to the field of sewage treatment, in particular to a sewage treatment device for environmental protection.

Background

The sewage generated in the life of people is generally sent to a sewage treatment plant for treatment. The sewage is filtered by a grid tank, an adjusting tank, an aeration tank and a sedimentation tank in sequence.

The grating pool is used for fishing out paper, cloth, bottles and other sundries in the sewage. After the adjusting tank is added with the adjusting agent, the PH value of the sewage is adjusted through the adjusting agent, and the aeration tank is used for introducing oxygen into the sewage, so that an environment suitable for reproduction is provided for microorganisms of the activated sludge. The sewage in the aeration tank is treated by activated sludge and then discharged into the sedimentation tank. Then, after the sewage is precipitated, water overflows from the sedimentation tank. The water overflowing from the sedimentation tank can be used for water for greening irrigation and the like after being collected. And part of sewage treatment plants can also discharge water overflowing from the sedimentation tank into the wetland, and the water is further filtered by the wetland.

The grid machine is arranged in the grid pool, and after sewage passes through the grid machine, the grid machine drags out sundries. The grid pond is also provided with a conveyor belt, the grid machine discharges sundries into the conveyor belt, and then the conveyor belt takes the sundries away from the grid pond for recycling.

According to the related technology, the inventor thinks that after the grating machine drags the sundries in the sewage, the sundries can carry partial sewage, and the sewage carried away by the sundries is directly recycled and is easy to pollute the environment.

Disclosure of Invention

In order to reduce the volume of the sewage that debris carried, this application provides a sewage treatment plant for environmental protection.

The application provides a sewage treatment plant for environmental protection adopts following technical scheme: a sewage treatment device for environmental protection comprises a grid pond, an adjusting pond, an aeration pond and a sedimentation pond in sequence from the upstream to the downstream of a process, wherein the grid pond, the adjusting pond, the aeration pond and the sedimentation pond are communicated in sequence, a water inlet is formed in one side of the grid pond, a grid machine is fixedly mounted in the grid pond, a support table is arranged on one side of the grid pond, a recovery box is fixedly mounted on the top side of the support table, a first draining hole is formed in the side wall of the recovery box, a water collecting tank used for collecting water discharged from the first draining hole is formed in the top side of the support table, a water guide tank body is fixedly mounted on the side wall of the support table, the water collecting tank is communicated with the water guide tank body, a water storage tank is arranged at one end, away from the support table, of the water guide tank body, a drain pipe is fixedly mounted on the side wall of the water storage tank, a water pump is mounted on the drain pipe, and one end, away from the water storage tank, extends into the interior of the grid pond, and a material guide mechanism for feeding the waste materials into the recovery box is installed at the discharge end of the grating machine.

Through adopting above-mentioned technical scheme, the sewage that produces people's life discharges into the grid pond through the water inlet. The sewage in the grid pond flows through the grid machine to the equalizing basin when flowing, and the debris in the grid machine in with the sewage are fished for, later send into the collection box through guide mechanism inside. Water carried by sundries is collected in the recovery box and then discharged from the first draining hole, so that the amount of sewage carried by the sundries is reduced.

The water discharged from the first draining holes enters the inside of the water collecting tank. The water in the water collecting tank is guided to flow into the water storage tank through the water guiding groove body. After the sewage in the water storage tank reaches a certain amount, the sewage is pumped back to the interior of the grid pond through the water pump. And the sewage is sent into the grating tank again, so that the waste of water resources is reduced.

And then, sewage enters the regulating tank from the grid tank, a regulating agent is added into the regulating tank, and the pH value of the sewage is regulated by the regulating agent. Sewage is discharged into the aeration tank after the PH value is adjusted by the adjusting machine for treatment, activated sludge is arranged in the aeration tank, and meanwhile, the aeration tank can continuously introduce oxygen into the sewage, so that an environment suitable for reproduction is provided for microorganisms of the activated sludge. The sewage in the aeration tank is treated by activated sludge and then discharged into the sedimentation tank. And then, after the sewage is precipitated, water overflows from the sedimentation tank for recovery.

Optionally, the guide mechanism includes first guide chute body, second guide chute body and conveyer belt, the slope of first guide chute is installed in the discharge end of grid machine, conveyer belt fixed mounting is in the top side of grid pond, the one end that grid machine was kept away from to first guide chute body is towards the conveyer belt, the slope of second guide chute body is installed in the discharge end of conveyer belt, the one end that the conveyer belt was kept away from to the second guide chute body is towards the inside of collection box.

Through adopting above-mentioned technical scheme, the grid machine discharges into first guide chute body with debris, and debris get into the conveyer belt through the guide of first guide chute body. Then the conveying belt sends the sundries into a second material guide groove body, and the sundries are guided by the second material guide groove body to enter the recycling box, so that the sundries discharged by the grille machine are sent into the recycling box for draining.

Optionally, the equal fixed mounting in both sides of conveyer belt has the baffle, the tank bottom overlap joint that the grid machine was kept away from to the first guide cell body one end is kept away from one side of conveyer belt in a baffle, a plurality of second waterlogging caused by excessive rainfall holes have been seted up to the tank bottom of first guide cell body, the tank bottom of first guide cell body is densely covered in the second waterlogging caused by excessive rainfall hole.

Through adopting above-mentioned technical scheme, behind the grid machine with debris discharge into first guide cell body, the water that debris carried can flow into inside the first guide cell body. And then the sewage in the first material guide groove body is drained into the grid pond through the second draining hole, so that the amount of the sewage carried by the impurities entering the recovery box is reduced. The amount of sewage carried by sundries entering the interior of the recovery box is reduced, so that the speed of collecting the sewage by the water storage tank is reduced. The speed of collecting sewage by the water storage tank is reduced, so that the frequency of starting the water pump is reduced, and the effects of energy conservation and environmental protection are achieved. The baffle is used for stopping debris on the conveyer belt to it falls into inside the grid pond to reduce debris on the conveyer belt.

Optionally, a support frame is fixedly mounted on the top side of the support table, a pressing block is arranged on the top side of the support table and matched with a box opening of the recycling box, a first hydraulic cylinder is fixedly mounted on the support frame, a piston rod of the first hydraulic cylinder is fixedly mounted and connected with the pressing block, and the first hydraulic cylinder stretches along the height direction.

Through adopting above-mentioned technical scheme, after the inside debris of collection box reached certain volume, start first pneumatic cylinder, first pneumatic cylinder drives the briquetting and removes to the bottom of the case of collection box to make the inside debris of briquetting extrusion collection box. The sundries can be paper towels, clothes, water bottles and the like, and are squeezed by the pressing block, so that the amount of sewage carried by the sundries is further reduced. Meanwhile, the volume of the sundries is reduced after the sundries are extruded by the pressing block, so that the sundries can be conveniently recycled.

Optionally, a collecting box is installed on one side of the supporting table, a frame body is placed at the bottom of the recycling box, the frame body abuts against the inner box bottom and the inner wall of the recycling box, an inlet and an outlet for the frame body to enter and exit from the inside of the recycling box are formed in one side, close to the collecting box, of the recycling box, a second hydraulic cylinder is fixedly installed on the top side of the supporting table, the second hydraulic cylinder is located on one side, away from the collecting box, of the recycling box, a piston rod of the second hydraulic cylinder is fixedly connected with the outer side wall of the frame body, a third draining hole is formed in the frame body, and when the frame body is located inside the recycling box, the first draining hole coincides with the third draining hole.

Through adopting above-mentioned technical scheme, after the inside debris of collection box extruded through the briquetting, open the second pneumatic cylinder, the second pneumatic cylinder promotes the framework and removes to the collecting box, and the framework drives the inside debris of collection box and removes to the collecting box. When the frame body moves to the outside of the supporting table, sundries fall into the collecting box under the action of gravity, so that the sundries in the collecting box can be conveniently discharged and recovered. Then the telescopic cylinder drives the frame body to return, and the frame body enters the interior of the recovery box from the inlet and the outlet. When the framework is located inside the recycling box, the first draining holes and the third draining holes are overlapped, so that sewage inside the recycling box can be conveniently drained into the water collecting tank.

Optionally, the support frame is fixedly provided with a first switch button for opening and closing the conveyor belt, and when the first hydraulic cylinder drives the pressing block to ascend to the highest position, the pressing block extrudes the first switch button.

Through adopting above-mentioned technical scheme, drive the briquetting rebound at first pneumatic cylinder and when pressing first shift knob, the conveyer belt starts to make inside grid machine exhaust debris constantly send into the collection box. When sundries in the recycling bin need to be extruded, the telescopic cylinder drives the pressing block to move downwards to extrude the sundries, so that the pressing block is separated from the first switch button, and the conveyor belt stops. And then the second hydraulic cylinder is started to push the frame body to discharge the sundries in the recycling box. Then the second hydraulic cylinder resets, and first hydraulic cylinder drives the briquetting rebound, and the briquetting extrudes first shift knob, and the conveyer belt restarts to when convenient extrusion and the inside debris of discharge collection box, conveyer belt self-closing.

Optionally, a third hydraulic cylinder is fixedly mounted on the support frame, the third hydraulic cylinder extends and retracts in the height direction, a piston rod of the third hydraulic cylinder faces the top side of the support table, a groove is formed in the top side of the support table, a second button switch for opening and closing the second hydraulic cylinder penetrates through the groove, a first spring is fixedly mounted between the second button switch and the bottom of the groove, a bottom plate is arranged on the bottom side of the support table, a plurality of sleeves are fixedly mounted on one side, close to the support table, of the bottom plate, supporting rods penetrate through the sleeves, one end, far away from the bottom plate, of each supporting rod is fixedly connected with the bottom side of the support table, a second spring is fixedly mounted between the other end of each supporting rod and the bottom plate, a third button switch for opening and closing the first hydraulic cylinder and the third hydraulic cylinder is fixedly mounted on one side, close to the support table, of the bottom plate, a cushion block is fixedly mounted on one side, close to the support table, of the bottom plate, and a magnet is fixedly arranged on one side of the cushion block, which is far away from the bottom plate.

Through adopting above-mentioned technical scheme, after the inside debris of collection box reached certain volume, the weight of brace table increased, and the second spring is compressed, and the brace table moves down and presses third button switch. After the third button switch is pressed, the first hydraulic cylinder and the third hydraulic cylinder are started, the first hydraulic cylinder drives the pressing block to move downwards to extrude sundries in the recycling bin, the pressing block stops pressing the first button switch, and the conveyor belt stops. When the pressing block extrudes one side of the frame body away from the supporting platform, the piston rod of the third hydraulic cylinder presses the second button switch, so that the second hydraulic cylinder is started. The second hydraulic cylinder drives the frame body to push sundries in the recycling box into the collecting box. After sundries are pushed out of the interior of the recycling box, the weight of the supporting table is reduced, and meanwhile, the pressing block does not extrude the supporting table through the sundries, so that the supporting table moves upwards. The third button switch is loosened by the support platform, and the first hydraulic cylinder and the third hydraulic cylinder are reset. The frame body returns to the interior of the recycling box, and the pressing block extrudes the first button switch again, so that the conveying belt is started. Through mutual cooperation of the first button switch, the second button switch and the third button switch, sundries in the recycling bin can be conveniently and automatically extruded and discharged after being brought to a certain amount.

Sundries are pushed out from the frame body, and the pressing block does not extrude the supporting table through the sundries any more. And the sewage carried by the impurities is extruded by the pressing block and then discharged. The magnet attracts the supporting table to compensate for the weight of the sundry discharged sewage, so that the supporting table moves upwards after sundries in the frame body fall into the collecting box, and the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are restored.

Optionally, the top side of the supporting table is provided with a guide groove, the guide groove penetrates through the side wall of the supporting table close to one side of the collecting box, and the bottom of the guide groove is obliquely arranged.

Through adopting above-mentioned technical scheme, after the framework shifted out the collection box, the debris that the framework promoted fell into inside the guiding groove, and the guide through the guiding groove gets into inside the collecting box. Thereby facilitating the sundries to fall into the collecting box.

Optionally, a plurality of water baffles are arranged inside the aeration tank at intervals along the process direction, the bottom side of each water baffle is fixedly connected with the bottom of the aeration tank, one side wall of each water baffle is fixedly connected with the inner wall of the aeration tank, a water outlet is reserved between the other side wall of each water baffle and the inner wall of the aeration tank, two adjacent water outlets between the water baffles are located on different sides of the water baffles, the water baffles divide the inside of the aeration tank into a plurality of sub-tanks, and each sub-tank is provided with an aeration mechanism.

By adopting the technical scheme, after the wastewater is discharged into the aeration tank, the wastewater flows in the aeration tank in an S shape through the guide of the water baffle plate, so that the existence time of the wastewater in the aeration tank is prolonged. By prolonging the time of the sewage in the aeration tank, the activated sludge can be conveniently and fully decomposed and adsorb organic matters in the sewage. The aeration mechanism continuously aerates the interior of the aeration tank, thereby providing an environment suitable for the propagation of microorganisms of the activated sludge.

Optionally, the aeration mechanism includes aeration pipe, aeration pump and aeration head, aeration pipe fixed mounting is in the bottom of the pond of son, the aeration head has a plurality ofly, the aeration head is installed along the length direction interval of aeration pipe, the aeration pump is installed in the one end of aeration pipe, the aeration pump is located the outside of aeration tank.

Through adopting above-mentioned technical scheme, the aeration pump sends into the aeration pipe after with the air extraction, and the inside air of later aeration pipe is followed the aeration head blowout to increase the oxygen content of sewage. The aeration heads are used for injecting air, so that the sewage is uniformly mixed with the air, and the condition that the oxygen content of the sewage in partial areas of the aeration tank is low is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

the sundries discharged by the grid machine are sent into the recycling box through the material guide mechanism, the first hydraulic cylinder is started, the first hydraulic cylinder drives the pressing block to extrude the sundries in the recycling box, so that sewage carried by the sundries is discharged, the sewage is discharged into the water storage tank through the water collecting tank and the water guide groove body, and the water pump pumps the sewage in the water storage tank to the grid pool, so that the amount of the sewage carried by the sundries is reduced;

when the first hydraulic cylinder drives the pressing block to extrude sundries, the pressing block loosens the first switch button, the conveyor belt stops, and after the first hydraulic cylinder drives the pressing block to return, the pressing block presses the first switch button, so that the conveyor belt is restarted, the sundries in the recycling bin can be conveniently extruded, and the conveyor belt automatically stops;

after the sundries in the recycling bin reach a certain amount, the weight of the supporting platform is increased, the force of the second spring which is extruded is increased, the supporting platform presses the third button switch after moving downwards, thereby starting the first hydraulic cylinder and the third hydraulic cylinder, the first hydraulic cylinder drives the pressing block to extrude sundries, the pressing block loosens the first switch button, the conveyor belt stops, when the press block extrudes sundries to a certain degree, the third hydraulic cylinder presses the second button switch, the second hydraulic cylinder is started, thereby the piston rod of the second hydraulic cylinder pushes the frame body to discharge the sundries in the recycling bin into the collecting bin, the weight of the supporting platform is reduced, meanwhile, the pressing block does not extrude the supporting platform, the second spring recovers the deformation, thereby make the brace table rebound, first pneumatic cylinder and third pneumatic cylinder reset, the briquetting extrudees first button switch again, and the conveyer belt starts to realize the inside automatic extrusion of debris of collection box and discharge.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present application;

FIG. 3 is a partial structural view of the frame body outside the recycling bin according to the embodiment of the present application;

fig. 4 is an exploded view of an embodiment of the present application.

Description of reference numerals: 1. a grid tank; 2. a regulating tank; 3. an aeration tank; 4. a sedimentation tank; 5. a grid machine; 6. a water inlet; 7. a water outlet; 8. a material guiding mechanism; 81. a first material guide groove body; 82. a second material guide groove body; 83. a conveyor belt; 9. a first draining hole; 10. a second draining hole; 11. a third draining hole; 12. a baffle plate; 13. a support table; 14. a recycling bin; 15. a water collection tank; 16. a water guide trough body; 17. a water storage tank; 18. a drain pipe; 19. a water pump; 20. a support frame; 21. briquetting; 22. a first hydraulic cylinder; 23. a second hydraulic cylinder; 24. a third hydraulic cylinder; 25. a collection box; 26. a frame body; 27. a guide groove; 28. an inlet and an outlet; 29. a first push button switch; 30. a second push button switch; 31. a third push button switch; 32. a groove; 33. a first spring; 34. a second spring; 35. a sleeve; 36. a strut; 37. cushion blocks; 38. a magnet; 39. a first draft tube; 40. a spray tube; 41. a spray head; 42. a high pressure pump; 43. a header pipe; 44. an overflow port; 45. a water baffle; 46. a sub-pool; 47. an aeration mechanism; 471. an aeration pipe; 472. an aeration pump; 473. an aeration head; 48. and adjusting the case.

Detailed Description

The present application is described in further detail below with reference to the attached figures X-X.

The embodiment of the application discloses sewage treatment plant for environmental protection.

Referring to fig. 1 and 2, an environmental protection sewage treatment apparatus includes a grid tank 1, a conditioning tank 2, an aeration tank 3, and a sedimentation tank 4 in this order from upstream to downstream in the process. The grid machine 5 is installed to grid pond 1, and water inlet 6 has been seted up to one side of grid pond 1, and the outlet 7 has been seted up to the opposite side of grid pond 1. The adjusting tank 2 is fixedly arranged on one side of the grid tank 1, which is provided with a water outlet 7, and the water outlet 7 penetrates through the side wall of the adjusting tank 2. The grating pool 1 and the adjusting pool 2 are communicated with each other through a water outlet 7. Sewage enters the grating tank 1 from the water inlet 6, and impurities in the sewage are fished up by the grating machine 5 after the sewage passes through the grating machine 5. Then, the sewage enters the interior of the adjusting tank 2 from the water outlet 7.

Referring to fig. 2, a material guide mechanism 8 is disposed at the discharge end of the grid machine 5, and the material guide mechanism 8 includes a first material guide chute body 81, a second material guide chute body 82, and a conveyor belt 83. The first material guide chute 81 is fixedly arranged at the discharge end of the grid machine 5 in an inclined manner. The conveyor belt 83 is fixedly installed on the top side of the grid pond 1, and one end of the first material guide chute body 81 far away from the grid machine 5 faces the conveyor belt 83. The first material guiding groove 81 starts to have a plurality of second draining holes 10, and the second draining holes 10 are densely distributed at the bottom of the first material guiding groove 81. The grille machine 5 discharges the sundries into the first material guide groove body 81, and the sundries fall into the conveyor belt 83 along the inclined direction of the first material guide groove body 81. The sewage part carried by the sundries is discharged into the draining tank from the second draining holes 10, so that the amount of the sewage carried by the sundries is reduced.

Referring to fig. 2, baffles 12 are fixedly mounted on both sides of the conveyor belt 83, and the bottom of the first material guide chute 81 at the end away from the grid machine 5 is lapped on one side of one baffle 12 away from the conveyor belt 83. The foreign objects entering the conveyor belt 83 are blocked by the baffle 12, thereby reducing the occurrence of the falling of the foreign objects from the conveyor belt 83.

Referring to fig. 2, the second material guiding groove 82 is fixedly installed at the discharging end of the conveyor belt 83, and one end of the second material guiding groove 82 close to the conveyor belt 83 abuts against the conveyor belt 83, so that the sundries adhered to the conveyor belt 83 can be scraped off and enter the second material guiding groove 82.

Referring to fig. 2 and 3, a support table 13 is disposed at an end of the second material guide chute 82 away from the conveyor 83. A recovery box 14 is fixedly mounted on the top side of the support platform 13, and a first draining hole 9 is formed in one side wall of the recovery box 14. The end of the second chute body 82 remote from the conveyor belt 83 faces the interior of the recovery tank 14. After the sundries enter the recycling box 14 from the second material guide groove body 82, sewage carried by the sundries flows downwards, is gathered and then is discharged from the first draining holes 9, and therefore the amount of the sewage carried by the sundries is reduced.

Referring to fig. 3, a water collecting groove 15 is formed at a top side of the support table 13, and the sewage discharged from the first drain holes 9 enters the water collecting groove 15. A water guide groove body 16 is fixedly arranged on the side wall of the support platform 13, and the water collection groove 15 is communicated with the water guide groove body 16. One end of the water guide groove body 16 far away from the support platform 13 is provided with a water storage tank 17. A drain pipe 18 is fixedly arranged on the side wall of the water storage tank 17, a water pump 19 is arranged on the drain pipe 18, and one end of the drain pipe 18, which is far away from the water storage tank 17, extends into the grating pool 1.

The sewage in the water collecting tank 15 enters the water guide tank body 16, and the sewage flows into the water storage tank 17 through the guide of the water guide tank body 16. Then the sewage in the water storage tank 17 is pumped back to the interior of the grating tank 1 by the water pump 19, thereby reducing the waste of water resources.

Referring to fig. 3 and 4, a support frame 20 is fixedly mounted on the top side of the support base 13, and a pressing block 21 is disposed on the top side of the support base 13. The supporting frame 20 is fixedly provided with a first hydraulic cylinder 22, and a piston rod of the first hydraulic cylinder 22 is fixedly connected with one side of the pressing block 21 far away from the supporting table 13. The first hydraulic cylinder 22 extends and contracts in the height direction, and thereby the press block 21 is driven to enter and exit the interior of the recovery tank 14. When the briquette 21 is in the recovery box 14, the circumference of the briquette 21 abuts against the inner wall of the recovery box 14. The first hydraulic cylinder 22 drives the pressing block 21 to press the sundries in the recycling bin 14, so that the carried sewage is discharged by the sundries. Meanwhile, the volume of the sundries is reduced after the sundries are extruded, so that the sundries in the recycling box 14 can be conveniently recycled.

Referring to fig. 3 and 4, a collecting box 25 is disposed on one side of the supporting platform 13, and a second hydraulic cylinder 23 is fixedly mounted on the top side of the supporting platform 13. The recovery tank 14 is provided with a frame 26 inside, and the frame 26 abuts against the inner wall and the inner bottom wall of the recovery tank 14. The piston rod of the second hydraulic cylinder 23 is fixedly connected to one side of the frame 26. An inlet/outlet 28 through which the frame 26 enters and exits the recovery tank 14 is provided on the side of the recovery tank 14 remote from the cylinder body of the second hydraulic cylinder 23. The top side of the support platform 13 is provided with a guide groove 27, the guide groove 27 penetrates through the side wall of the support platform 13 close to one side of the collection box 25, and the bottom of the guide groove 27 is obliquely arranged.

After the sundries are squeezed by the pressing block 21, the second hydraulic cylinder 23 is started, and the second hydraulic cylinder 23 pushes the frame 26 to move towards the collecting box 25. The frame 26 drives the sundries to move out of the recycling box 14, and the sundries fall into the guide groove 27. Then the sundries fall into the collecting box 25 along the inclined direction of the groove bottom of the guide groove 27 for recovery.

Referring to fig. 3 and 4, a third draining hole 11 is formed in one side of the frame 26, and when the frame 26 is located inside the recycling bin 14, the first draining hole 9 coincides with the third draining hole 11, so that the sewage inside the recycling bin 14 can be conveniently drained into the water collecting tank 15.

The supporting frame 20 is fixedly provided with a first button switch 29 for opening and closing the conveyor belt 83, when the first hydraulic cylinder 22 drives the pressing block 21 to ascend to the highest position, the pressing block 21 presses the first button switch 29, and the conveyor belt 83 is started. When the first hydraulic cylinder 22 drives the pressing block 21 to extrude sundries in the recycling bin 14, the pressing block 21 does not press the first button switch 29, and the conveyor belt 83 is closed, so that the conveyor belt 83 stops feeding automatically when the pressing block 21 extrudes the sundries.

The support frame 20 is fixedly provided with a third hydraulic cylinder 24, and the third hydraulic cylinder 24 extends and retracts along the height direction. The piston rod of the third hydraulic cylinder 24 is directed towards the top side of the support table 13. A groove 32 is formed on the top side of the support platform 13, and a second button switch 30 for opening and closing the second hydraulic cylinder 23 is arranged in the groove 32 in a penetrating manner. A first spring 33 is fixedly installed between the second push switch 30 and the bottom of the groove 32. The second push button switch 30 is located directly below the cylinder rod.

Referring to fig. 3 and 4, a bottom plate is disposed on the bottom side of the supporting platform 13, and a plurality of sleeves 35, in this embodiment, four sleeves 35, are fixedly mounted on a side of the bottom plate close to the supporting platform 13. Each sleeve 35 is provided with a supporting rod 36 in a penetrating way, one end of the supporting rod 36 far away from the bottom plate is fixedly connected with the bottom side of the supporting platform 13, and a second spring 34 is fixedly arranged between one end of the supporting rod 36 close to the bottom plate and the bottom plate. A third button switch 31 for opening and closing the first hydraulic cylinder 22 and the third hydraulic cylinder 24 is fixedly arranged on one side of the bottom plate close to the support platform 13. A cushion block 37 is fixedly arranged on one side of the bottom plate close to the support platform 13, and a magnet 38 is fixedly arranged on one side of the cushion block 37 far away from the bottom plate.

After the weight of the foreign matter inside the recovery tank 14 reaches a certain amount, the support base 13 moves downward, and the second spring 34 is pressed and deformed. When the support table 13 moves downward and the third push switch 31 is pressed, the first hydraulic cylinder 22 and the third hydraulic cylinder 24 are activated, and the magnet 38 adsorbs the support table 13. The first hydraulic cylinder 22 drives the pressing block 21 to press the sundries in the recycling bin 14, so that sewage carried by the sundries is discharged.

When the pressing block 21 abuts against the side of the frame 26 away from the bottom of the recovery tank 14, the first hydraulic cylinder 22 reaches the maximum extension length, and the piston rod of the third hydraulic cylinder 24 presses the third push switch 31, so that the second hydraulic cylinder 23 is activated. The second hydraulic cylinder 23 pushes the frame 26 toward the collection tank 25. The frame 26 pushes the sundries pressed by the pressing block 21 in the recovery box 14 toward the recovery box 14, and then the sundries fall into the collection box 25, so that the weight of the support table 13 is reduced. The second spring 34 is restored to be deformed, and the support table 13 is moved upward.

When the second push switch 30 is pressed by the piston rod of the third hydraulic cylinder 24, the support base 13 moves the second push switch 30 upward. The second push button switch 30 is pressed by the third hydraulic cylinder 24 to retract into the recess 32. After the support table 13 leaves the first push button switch 29, the piston rod of the first hydraulic cylinder 22 and the piston rod of the third hydraulic cylinder 24 are retracted, so that the first spring 33 drives the second push button switch 30 to be reset. The press block 21 then presses the first push button switch 29 and the conveyor belt 83 is restarted.

Referring to fig. 1, a first draft tube 39 is provided inside the adjusting tank 2, one end of the first draft tube 39 communicates with the water discharge opening 7, and the other end of the first draft tube 39 faces the bottom of the adjusting tank 2. A plurality of spraying pipes 40 are arranged at intervals from the upstream to the downstream of the main process in the adjusting tank 2, and the spraying pipes 40 are fixedly arranged at the bottom of the adjusting tank 2. The spray pipe 40 is provided with a plurality of spray heads 41 at intervals in a longitudinal direction. One side of the regulating reservoir 2 is provided with a regulating agent tank, which is fitted with a high-pressure pump 42. The high pressure pump 42 is connected to a manifold 43, and one end of each of the spray tubes 40 communicates with the interior of the manifold 43.

The sewage flows out of the water outlet 7 into the first draft tube 39, and the sewage enters the bottom of the adjusting tank 2 through the first draft tube 39. Then the high-pressure pump 42 extracts the regulator from the regulator tank, and the regulator flows through the header pipe 43, the spray pipe 40 and the spray head 41 in sequence and then is sprayed into the regulating reservoir 2, so that the mixing of the regulator and the sewage is accelerated.

Referring to fig. 1, one side of the aeration tank 3 is fixedly installed on one side of the adjusting tank 2 far away from the grid tank 1, and one side of the adjusting tank 2 near the aeration tank 3 is provided with an overflow port 44. The sewage in the regulating tank 2 enters the aeration tank 3 from the overflow port 44. A plurality of water baffles 45 are arranged at intervals along the process direction in the aeration tank 3, and the bottom sides of the water baffles 45 are fixedly connected with the bottom of the aeration tank 3. One side wall of the water baffle 45 is fixedly connected with the inner wall of the aeration tank 3, and a water outlet is reserved between the other side wall of the water baffle 45 and the inner wall of the aeration tank 3. The water outlets between two adjacent water baffles 45 are positioned on different sides of the water baffles 45, so that the sewage flows in an S shape in the aeration tank 3, and the reaction time of the sewage in the aeration tank 3 is prolonged.

The water guard 45 divides the inside of the aeration tank 3 into a plurality of sub-tanks 46, and each sub-tank 46 is provided with an aeration mechanism 47. Aeration mechanism 47 includes aeration tube 471, aeration pump 472 and aeration head 473. The aeration pipe 471 is fixedly arranged at the bottom of the sub-tank 46, a plurality of aeration heads 473 are arranged, and the aeration heads 473 are arranged at intervals along the length direction of the aeration pipe 471. The aeration pump 472 is installed at one end of the aeration tube 471, and the aeration pump 472 is located outside the aeration tank 3.

The aeration pump 472 is activated, and the aeration pump 472 feeds air into the interior of the aeration tube 471, and then the air is ejected from the aeration head 473 and mixed with the sewage, thereby increasing the oxygen content of the sewage.

The sedimentation tank 4 is a thickener, activated sludge and water are separated after entering the sedimentation tank 4, the water overflows from the sedimentation tank 4 and is collected, and the activated sludge is discharged and recovered from the bottom side of the sedimentation tank 4.

The implementation principle of the sewage treatment device for environmental protection in the embodiment of the application is as follows: the grid machine 5 drags out the sundries in the sewage and then discharges the sundries into the first material guide groove body 81, and the sewage carried by the sundries is discharged back into the grid pond 1 from the second draining holes 10, so that the amount of the sewage carried by the sundries is reduced. Then, the sundries enter the interior of the recycling bin 14 along the conveyor belt 83 and the second material guiding chute 82.

After a certain amount of accumulated foreign materials inside the collection box 14, the support base 13 moves downward, thereby pressing the second button switch 30 while the magnet 38 attracts the support base 13. After the third button switch 31 is pressed, the first hydraulic cylinder 22 and the third hydraulic rod are started, the first hydraulic cylinder 22 pushes the pressing block 21 to squeeze sundries in the recycling box 14, and therefore the amount of sewage carried by the sundries is further reduced. When the pressing block 21 presses the foreign matter, the pressing block 21 is separated from the first button switch 29, and the conveyor belt 83 stops, thereby reducing the occurrence of the situation that the conveyor belt 83 discharges the foreign matter to the top side of the pressing block 21.

When the press block 21 abuts against the top side of the frame 26, the piston rod of the third hydraulic cylinder 24 presses the second push switch 30, and the second hydraulic cylinder 23 is actuated. The frame 26 pushes the sundries in the recovery box 14 to the collection box 25 for recovery. After the sundries in the recycling box 14 are discharged, the weight of the supporting platform 13 is reduced, so that the second spring 34 is restored to drive the supporting platform 13 to move upwards. When the support table 13 releases the third push switch 31, the first hydraulic cylinder 22, the second hydraulic cylinder 23, and the third hydraulic cylinder 24 are restored, the frame 26 is returned to the interior of the recovery tank 14, and the press block 21 presses the first push switch 29 again, thereby restarting the conveyor 83.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sewage treatment plant for environmental protection which characterized in that: the device comprises a grid pond (1), an adjusting pond (2), an aeration pond (3) and a sedimentation pond (4) from the upstream to the downstream of the process in sequence, wherein the grid pond (1), the adjusting pond (2), the aeration pond (3) and the sedimentation pond (4) are communicated in sequence, a water inlet (6) is formed in one side of the grid pond (1), a grid machine (5) is fixedly arranged on the grid pond (1), a supporting platform (13) is arranged on one side of the grid pond (1), a recovery box (14) is fixedly arranged on the top side of the supporting platform (13), a first water draining hole (9) is formed in the side wall of the recovery box (14), a water collecting tank (15) used for receiving water drained from the first water draining hole (9) is formed in the top side of the supporting platform (13), a water guide tank body (16) is fixedly arranged on the side wall of the supporting platform (13), and the water collecting tank (15) is communicated with the water guide tank body (16), the one end that supporting bench (13) were kept away from in water guide groove body (16) is provided with storage water tank (17), the lateral wall fixed mounting of storage water tank (17) has drain pipe (18), water pump (19) are installed in drain pipe (18), the one end that storage water tank (17) were kept away from in drain pipe (18) stretches into inside grid pond (1), guide mechanism (8) that are used for sending the waste material into collection box (14) are installed to the discharge end of grid machine (5).

2. The sewage treatment device for environmental protection according to claim 1, wherein: guide mechanism (8) include first guide chute body (81), second guide chute body (82) and conveyer belt (83), the discharge end in grid machine (5) is installed in the slope of first guide chute, conveyer belt (83) fixed mounting is in the top side of grid pond (1), the one end that grid machine (5) were kept away from in first guide chute body (81) is towards conveyer belt (83), the discharge end in conveyer belt (83) is installed in the slope of second guide chute body (82), the one end that conveyer belt (83) were kept away from in second guide chute body (82) is towards the inside of collection box (14).

3. The sewage treatment device for environmental protection according to claim 2, wherein: the equal fixed mounting in both sides of conveyer belt (83) has baffle (12), the tank bottom overlap joint that the one end of grid machine (5) was kept away from in one side of conveyer belt (83) in baffle (12) is kept away from in first guide cell body (81), a plurality of second waterlogging caused by excessive rainfall holes (10) have been seted up to the tank bottom of first guide cell body (81), the tank bottom of first guide cell body (81) is densely covered in second waterlogging caused by excessive rainfall hole (10).

4. The sewage treatment device for environmental protection according to claim 2, wherein: support frame (20) are fixedly mounted on the top side of support table (13), the top side of support table (13) is provided with briquetting (21), briquetting (21) and the case mouth phase-match of collection box (14), support frame (20) fixed mounting has first pneumatic cylinder (22), the piston rod and briquetting (21) fixed mounting of first pneumatic cylinder (22) are connected, first pneumatic cylinder (22) are flexible along the direction of height.

5. The sewage treatment device for environmental protection according to claim 4, wherein: collecting box (25) are installed to one side of brace table (13), framework (26) have been placed to the bottom of the case of collection box (14), framework (26) support in the interior bottom of the case and the inner wall of collection box (14), one side that collection box (14) are close to collecting box (25) is seted up and is supplied inside import and export (28) of framework (26) business turn over collection box (14), the top side fixed mounting of brace table (13) has second hydraulic cylinder (23), second hydraulic cylinder (23) are located collection box (14) and keep away from one side of collecting box (25), the piston rod of second hydraulic cylinder (23) and the lateral wall fixed connection of framework (26), third waterlogging caused by excessive rainfall hole (11) have been seted up in framework (26), when framework (26) are located collection box (14) inside, first waterlogging caused by excessive rainfall hole (9) and the coincidence of third waterlogging caused by excessive rainfall hole (11).

6. The sewage treatment device for environmental protection according to claim 5, wherein: the supporting frame (20) is fixedly provided with a first switch button used for opening and closing the conveying belt (83), and when the first hydraulic cylinder (22) drives the pressing block (21) to ascend to the highest position, the pressing block (21) extrudes the first switch button.

7. The sewage treatment device for environmental protection according to claim 6, wherein: the supporting frame (20) is fixedly provided with a third hydraulic cylinder (24), the third hydraulic cylinder (24) extends and retracts along the height direction, a piston rod of the third hydraulic cylinder (24) faces the top side of the supporting table (13), the top side of the supporting table (13) is provided with a groove (32), the groove (32) is provided with a second button switch (30) for opening and closing the second hydraulic cylinder (23) in a penetrating manner, a first spring (33) is fixedly arranged between the second button switch (30) and the bottom of the groove (32), the bottom side of the supporting table (13) is provided with a bottom plate, one side of the bottom plate close to the supporting table (13) is fixedly provided with a plurality of sleeves (35), a supporting rod (36) is arranged inside the sleeves (35) in a penetrating manner, one end of the supporting rod (36), far away from the bottom plate, is fixedly connected with the bottom side of the supporting table (13), and a second spring (34) is fixedly arranged between the other end of the supporting rod (36) and the bottom plate, one side fixed mounting that the bottom plate is close to brace table (13) has third button switch (31) that is used for opening and close first pneumatic cylinder (22) and third pneumatic cylinder (24), one side fixed mounting that the bottom plate is close to brace table (13) has cushion (37), one side fixed mounting that the bottom plate was kept away from in cushion (37) has magnet (38).

8. The sewage treatment device for environmental protection according to claim 7, wherein: the top side of the supporting platform (13) is provided with a guide groove (27), the guide groove (27) penetrates through the side wall of the supporting platform (13) close to one side of the collecting box (25), and the bottom of the guide groove (27) is obliquely arranged.

9. The sewage treatment device for environmental protection according to claim 1, wherein: aeration tank (3) are inside to be provided with a plurality of breakwaters (45) along the process direction interval, fixed connection is at the bottom of bottom side and aeration tank (3) of breakwater (45), the inner wall fixed connection of a lateral wall and aeration tank (3) of breakwater (45), leave the delivery port between another lateral wall of breakwater (45) and the inner wall of aeration tank (3), adjacent two delivery port between breakwater (45) is located the different sides of breakwater (45), breakwater (45) divide into a plurality of sub-ponds (46) with aeration tank (3) inside, each sub-pond (46) all are provided with aeration mechanism (47).

10. The sewage treatment device for environmental protection according to claim 9, wherein: the aeration mechanism (47) comprises aeration pipes (471), aeration pumps (472) and aeration heads (473), wherein the aeration pipes (471) are fixedly arranged at the bottom of the sub-tank (46), a plurality of aeration heads (473) are arranged, the aeration heads (473) are arranged at intervals along the length direction of the aeration pipes (471), the aeration pumps (472) are arranged at one ends of the aeration pipes (471), and the aeration pumps (472) are positioned outside the aeration tank (3).