CN216808389U - Landfill leachate preprocessing device based on landfill - Google Patents
Landfill leachate preprocessing device based on landfill Download PDFInfo
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- CN216808389U CN216808389U CN202122986423.3U CN202122986423U CN216808389U CN 216808389 U CN216808389 U CN 216808389U CN 202122986423 U CN202122986423 U CN 202122986423U CN 216808389 U CN216808389 U CN 216808389U
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Abstract
The utility model discloses a landfill leachate pretreatment device based on landfill, which relates to the technical field of landfill and comprises a trolley, wherein a support box is arranged at the top of the trolley, a filter tank is arranged at the top of the support box, a filter screen bucket is placed at the top of an inner cavity of the filter tank, an adjusting box is arranged at the top of the trolley, and an adjusting tank is arranged at the top of the adjusting box. This landfill leachate preprocessing device based on landfill, fight through the filter screen and filter landfill leachate, filter the great rubbish piece of volume in the landfill leachate, avoid the great rubbish piece of volume to cause the influence to preprocessing equipment, detect the filtration liquid pH value of adjustment tank inner chamber through the pH tester in addition, and add the regulating solution to the inner chamber of adjustment tank according to filtration liquid pH value decision, the function of adjusting filtration liquid pH value has been realized, this landfill leachate preprocessing device based on landfill has improved the practicality.
Description
Technical Field
The utility model relates to the technical field of refuse landfill, in particular to a refuse leachate pretreatment device based on refuse landfill.
Background
The landfill leachate refers to high-concentration wastewater which is derived from water contained in garbage in a landfill site, rain, snow water and other water entering the landfill site, the saturated water holding capacity of the garbage and a soil covering layer is deducted, and the high-concentration wastewater is formed by passing through the garbage layer and the soil covering layer.
The raw water pH value can be adjusted to effectively prevent the scale formation of carbonate inorganic salt, so the raw water pH value needs to be adjusted before entering a reverse osmosis system, but when the raw water pH value of the landfill leachate is adjusted, regulating liquid is added into the leachate through manpower, the adding amount of the regulating liquid is not convenient to control, and in addition, when the raw water pH value of the leachate is adjusted, a device for stirring the raw water pH value of the leachate is not needed, the reaction time of the leachate and the regulating liquid is too long, the efficiency of leachate pretreatment is influenced, and the current using requirement cannot be met, so the landfill leachate pretreatment device based on landfill is provided.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a landfill leachate pretreatment device based on landfill, which solves the problems in the background art.
In order to realize the purpose, the utility model is realized by the following technical scheme: a landfill-based landfill leachate pretreatment device comprises a trolley, wherein a support box is arranged at the top of the trolley, a filter tank is arranged at the top of the support box, a filter screen hopper is placed at the top of an inner cavity of the filter tank, an adjusting box is arranged at the top of the trolley, an adjusting tank is arranged at the top of the adjusting box, an inner cavity of the adjusting tank is rotatably connected with a stirring rod, a pH tester is arranged in the inner cavity of the adjusting tank, a servo motor is fixedly installed outside the adjusting tank, an output shaft of the servo motor is fixedly connected with one end of a rotating shaft of the stirring rod, a second liquid level sensor is arranged in the inner cavity of the adjusting tank, dispersion pipes are respectively arranged on two sides of the top surface of the adjusting tank, a plurality of liquid mixing pipes are arranged on the side surfaces of the dispersion pipes, a first storage tank is arranged on the top surface of the trolley, a second water pump is arranged on the top surface of the first storage tank, the both ends of second water pump are fixedly connected with first transfer line respectively, one the one end of first transfer line extends to the inner chamber of first storage tank, another the one end of first transfer line extends to the inner chamber of one of them dispersion pipe, the top surface of dolly is provided with the second storage tank, the top of second storage tank is provided with the third water pump, the both ends of third water pump are fixedly connected with second transfer line respectively, one the one end of second transfer line extends to the inner chamber of second storage tank, another the one end of second transfer line extends to the inner chamber of one of them another dispersion pipe.
Preferably, the side of supporting box is provided with switch valve, switch valve's one end extends to the top of equalizing basin, switch valve's the other end extends to the inner chamber of filtering ponds, the inner wall of filtering ponds is provided with a level sensor.
Preferably, a quartz sand filter is arranged on the top surface of the trolley, a security filter is arranged on the top surface of the trolley, a first liquid guide pipe is fixedly connected to the input end of the quartz sand filter, one end of the first liquid guide pipe extends to the inner cavity of the regulating tank, a second liquid guide pipe is fixedly connected to the output end of the quartz sand filter, and one end of the second liquid guide pipe is connected with the input end of the security filter.
Preferably, the bottom of supporting box is provided with first water pump, the both ends of first water pump are fixedly connected with feed liquor pipe respectively, one the one end of feed liquor pipe extends to the top of filtering ponds inner chamber.
Preferably, the front surfaces of the first storage tank and the second storage tank are provided with perspective panels.
Preferably, a control panel is arranged on the front surface of the supporting box.
The utility model provides a landfill leachate pretreatment device based on landfill, which has the following beneficial effects:
1. this landfill leachate preprocessing device based on landfill, fight through the filter screen and filter landfill leachate, filter the great rubbish piece of volume in landfill leachate, avoid the great rubbish piece of volume to cause the influence to preprocessing equipment, detect the filtration liquid pH value of adjustment tank inner chamber through the pH tester in addition, and add the regulating solution to the inner chamber of adjustment tank according to filtration liquid pH value decision, realized carrying out the function adjusted to filtration liquid pH value, this landfill leachate preprocessing device based on landfill's practicality has been improved.
2. This landfill leachate preprocessing device based on landfill uses through puddler and servo motor's cooperation, when the inner chamber blowout leachate pH value conditioning fluid from adding liquid pipe to the equalizing basin, utilizes servo motor to drive the puddler rotatory, utilizes the puddler to stir leachate for the speed of conditioning fluid and leachate reaction, improved this landfill leachate preprocessing device based on landfill's work efficiency and operating mass with rated load.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the dispersion tube of the present invention.
In the figure: 1. a trolley; 2. a support box; 3. a filtration tank; 4. a filter screen bucket; 5. a first water pump; 6. A first material storage tank; 7. a second material storage tank; 8. an adjusting box; 9. a regulating tank; 10. a stirring rod; 11. a second infusion tube; 12. a first infusion tube; 13. a dispersion pipe; 14. a pH tester; 15. a quartz sand filter; 16. a cartridge filter; 17. a first catheter; 18. a second catheter; 19. opening and closing the valve; 20. A liquid inlet pipe; 21. a control panel; 22. a see-through panel; 23. a liquid mixing pipe; 24. a servo motor; 25. A second water pump; 26. a third water pump; 27. a first liquid level sensor; 28. a second liquid level sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution: a landfill-based landfill leachate pretreatment device comprises a trolley 1, a support box 2 is arranged at the top of the trolley 1, a filter tank 3 is arranged at the top of the support box 2, a filter screen hopper 4 is placed at the top of an inner cavity of the filter tank 3, an adjusting box 8 is arranged at the top of the trolley 1, an adjusting tank 9 is arranged at the top of the adjusting box 8, an inner cavity of the adjusting tank 9 is rotatably connected with a stirring rod 10, an inner cavity of the adjusting tank 9 is provided with a pH tester 14, the outside of the adjusting tank 9 is fixedly provided with a servo motor 24, an output shaft of the servo motor 24 is fixedly connected with one end of a rotating shaft of the stirring rod 10, an inner cavity of the adjusting tank 9 is provided with a second liquid level sensor 28, two sides of the top surface of the adjusting tank 8 are respectively provided with a dispersion pipe 13, a plurality of liquid adding pipes 23 are arranged on the side surface of the dispersion pipe 13, a first storage tank 6 is arranged on the top surface of the trolley 1, a second storage tank 25 is arranged on the top of the first storage tank 6, two ends of the second water pump 25 are fixedly connected with first infusion tubes 12 respectively, one end of one first infusion tube 12 extends to the inner cavity of the first storage tank 6, one end of the other first infusion tube 12 extends to the inner cavity of one of the dispersion tubes 13, the top surface of the trolley 1 is provided with a second storage tank 7, the top of the second storage tank 7 is provided with a third water pump 26, two ends of the third water pump 26 are fixedly connected with second infusion tubes 11 respectively, one end of one second infusion tube 11 extends to the inner cavity of the second storage tank 7, one end of the other second infusion tube 11 extends to the inner cavity of the other one of the dispersion tubes 13, the side surface of the supporting box 2 is provided with a switch valve 19, one end of the switch valve 19 extends to the upper part of the regulating tank 9, the other end of the switch valve 19 extends to the inner cavity of the filtering tank 3, the inner wall of the filtering tank 3 is provided with a first liquid level sensor 27, the top surface of the trolley 1 is provided with a quartz sand filter 15, the filtering precision of the quartz sand filter 15 is 50 microns, the water inlet end and the water outlet end of the quartz sand filter 15 are both provided with a pressure gauge and a pressure transmitter, when the pressure difference exceeds 2bar, a backwashing operation program needs to be executed, the backwashing frequency of the quartz sand filter 15 depends on the content of suspended matters entering water, for a general refuse landfill, the backwashing period of the quartz sand filter 15 is about 72 hours, for raw water with a lower SS value, the quartz sand filter 15 needs to be backwashed if the pressure difference does not exceed 2bar after running for 72 hours, so as to avoid the excessive compaction and hardening phenomena of quartz sand, the prior person is taken as a backwashing operation factor for automatically activating the quartz sand filter 15, the backwashing of the quartz sand filter 15 adopts clean water of a clean water tank, a Roots blower is used for air washing, the top surface of the trolley 1 is provided with a security filter 16, the precision of the security filter 16 is 10 microns and is used for removing suspended matters and micro sand grains possibly brought by sand filtration, the security filter 16 provides a last protective barrier for a membrane column, the input end of the quartz sand filter 15 is fixedly connected with a first liquid guide pipe 17, one end of the first liquid guide pipe 17 extends to the inner cavity of the regulating tank 9, the output end of the quartz sand filter 15 is fixedly connected with a second liquid guide pipe 18, one end of the second liquid guide pipe 18 is connected with the input end of the security filter 16, the middle parts of the first liquid guide pipe 17 and the second liquid guide pipe 18 are respectively provided with a water suction pump, the bottom of the supporting box 2 is provided with a first water pump 5, two ends of the first water pump 5 are respectively and fixedly connected with a liquid inlet pipe 20, one end of one liquid inlet pipe 20 extends to the upper part of the inner cavity of the filtering tank 3, the front surfaces of the first storage tank 6 and the second storage tank 7 are respectively provided with a perspective panel 22, the inner cavity of the first storage tank 6 is provided with a sodium hydroxide solution, the inner chamber of second storage tank 7 is provided with hydrochloric acid solution, adjusts the filtration liquid pH value of equalizing basin 9 inner chamber through sodium hydroxide solution and hydrochloric acid solution, and the front of supporting box 2 is provided with control panel 21, controls first water pump 5, pH tester 14, ooff valve 19, servo motor 24, second water pump 25, third water pump 26, first level sensor 27, second level sensor 28 through control panel 21.
In conclusion, when the landfill leachate pretreatment device based on landfill is used, firstly, the first water pump 5 and the liquid inlet pipe 20 are used for pumping landfill leachate into the inner cavity of the filter tank 3, the filter screen bucket 4 is used for filtering large-volume garbage fragments in the landfill leachate, the first liquid level sensor 27 is used for detecting the amount of the leachate in the inner cavity of the filter tank 3, when the garbage leachate reaches the height of the first liquid level sensor 27, the control panel 21 automatically controls the first water pump 5 to be closed, otherwise, the first water pump 5 is started to pump the leachate into the inner cavity of the filter tank 3, then the switch valve 19 is started to place the leachate in the inner cavity of the filter tank 3 into the inner cavity of the adjusting tank 9, the servo motor 24 is started to drive the stirring rod 10 to rotate, the leachate entering the inner cavity of the adjusting tank 9 is filtered, and meanwhile, the second liquid level sensor 28 is used for detecting the amount of the leachate in the inner cavity of the adjusting tank 9, when the percolate reaches the height of the second liquid level sensor 28, the switch valve 19 is automatically closed, otherwise, the switch valve 19 is automatically opened after the second liquid level sensor 28 does not detect the percolate for two to three minutes, when the percolate enters the inner cavity of the regulating tank 9, the pH tester 14 detects the pH value of the percolate, when the pH value is too low, the second water pump 25 is started to ensure that the sodium hydroxide solution in the inner cavity of the first storage tank 6 enters the inner cavity of one of the dispersion pipes 13, and simultaneously the percolate is sprayed to the inner cavity of the regulating tank 9 from the liquid mixing pipe 23 to neutralize the pH value of the percolate, when the pH value is too high, the third water pump 26 is started to ensure that the hydrochloric acid solution in the inner cavity of the second storage tank 7 enters the inner cavity of the other one of the dispersion pipes 13 and is simultaneously sprayed to the inner cavity of the regulating tank 9 from the liquid mixing pipe 23 to neutralize the pH value of the percolate, when the pH tester 14 detects that the pH value of the percolate is combined standard, the leachate in the inner cavity of the regulating tank 9 is guided into the quartz sand filter 15 through the first liquid guide pipe 17 for treatment, and after the leachate is treated by the quartz sand filter 15, the leachate is guided into the security filter 16 through the second liquid guide pipe 18 and finally discharged from the output end of the security filter 16, so that the pretreatment of the leachate is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a landfill leachate preprocessing device based on landfill, includes dolly (1), its characterized in that: the top of the trolley (1) is provided with a supporting box (2), the top of the supporting box (2) is provided with a filter tank (3), the top of the inner cavity of the filter tank (3) is provided with a filter screen bucket (4), the top of the trolley (1) is provided with an adjusting box (8), the top of the adjusting box (8) is provided with an adjusting tank (9), the inner cavity of the adjusting tank (9) is rotatably connected with a stirring rod (10), the inner cavity of the adjusting tank (9) is provided with a pH tester (14), the outside of the adjusting tank (9) is fixedly provided with a servo motor (24), the output shaft of the servo motor (24) is fixedly connected with one end of a rotating shaft of the stirring rod (10), the inner cavity of the adjusting tank (9) is provided with a second liquid level sensor (28), two sides of the top surface of the adjusting tank (8) are respectively provided with a dispersion pipe (13), and the side surface of the dispersion pipe (13) is provided with a plurality of liquid mixing pipes (23), a first material storage tank (6) is arranged on the top surface of the trolley (1), a second water pump (25) is arranged on the top of the first material storage tank (6), two ends of the second water pump (25) are respectively and fixedly connected with first infusion tubes (12), one end of one first infusion tube (12) extends to the inner cavity of the first material storage tank (6), one end of the other first infusion tube (12) extends to the inner cavity of one of the dispersion tubes (13), a second material storage tank (7) is arranged on the top surface of the trolley (1), a third water pump (26) is arranged on the top of the second material storage tank (7), two ends of the third water pump (26) are respectively and fixedly connected with second infusion tubes (11), one end of one second infusion tube (11) extends to the inner cavity of the second storage tank (7), and one end of the other second infusion tube (11) extends to the inner cavity of the other dispersion tube (13).
2. The landfill leachate pretreatment device based on the landfill, as recited in claim 1, wherein: the side of supporting box (2) is provided with ooff valve (19), the one end of ooff valve (19) extends to the top of equalizing basin (9), the other end of ooff valve (19) extends to the inner chamber of filtering ponds (3), the inner wall of filtering ponds (3) is provided with a level sensor (27).
3. The landfill leachate pretreatment device based on the landfill, as recited in claim 1, wherein: the top surface of the trolley (1) is provided with a quartz sand filter (15), the top surface of the trolley (1) is provided with a security filter (16), the input end of the quartz sand filter (15) is fixedly connected with a first liquid guide pipe (17), one end of the first liquid guide pipe (17) extends to the inner cavity of the regulating tank (9), the output end of the quartz sand filter (15) is fixedly connected with a second liquid guide pipe (18), and one end of the second liquid guide pipe (18) is connected with the input end of the security filter (16).
4. The landfill leachate pretreatment device based on the landfill, as recited in claim 1, wherein: the bottom of supporting box (2) is provided with first water pump (5), the both ends of first water pump (5) are fixedly connected with feed liquor pipe (20), one respectively the one end of feed liquor pipe (20) extends to the top of filtering ponds (3) inner chamber.
5. The landfill leachate pretreatment device based on the landfill, as recited in claim 1, wherein: the front surfaces of the first storage tank (6) and the second storage tank (7) are provided with perspective panels (22).
6. The landfill leachate pretreatment device based on the landfill, as recited in claim 1, wherein: the front surface of the supporting box (2) is provided with a control panel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986423.3U CN216808389U (en) | 2021-12-01 | 2021-12-01 | Landfill leachate preprocessing device based on landfill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986423.3U CN216808389U (en) | 2021-12-01 | 2021-12-01 | Landfill leachate preprocessing device based on landfill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216808389U true CN216808389U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122986423.3U Active CN216808389U (en) | 2021-12-01 | 2021-12-01 | Landfill leachate preprocessing device based on landfill |
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|---|---|
| CN (1) | CN216808389U (en) |
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2021
- 2021-12-01 CN CN202122986423.3U patent/CN216808389U/en active Active
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