CN212246696U - Landfill leachate treatment system - Google Patents
Landfill leachate treatment system Download PDFInfo
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- CN212246696U CN212246696U CN202020946546.7U CN202020946546U CN212246696U CN 212246696 U CN212246696 U CN 212246696U CN 202020946546 U CN202020946546 U CN 202020946546U CN 212246696 U CN212246696 U CN 212246696U
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Abstract
The utility model relates to a landfill leachate processing system, including the sewage pump, the play water end of sewage pump is connected with solution collecting tank, preliminary physics sedimentation tank, secondary physics sedimentation tank, chemical sedimentation tank, anaerobism pond, biomembrane pond, milipore filter, disinfection pond and clean water reservoir in proper order. The utility model relates to a garbage leachate treatment system, which can well treat harmful substances in leachate in a mode of combining physical precipitation, chemical precipitation, biomembrane reaction, ultrafiltration and disinfection processes; the utility model discloses processing flow structural design is simple reasonable, stability is better, easily control, the treatment cost is low.
Description
Technical Field
The utility model relates to a relevant technical field of refuse treatment especially relates to a landfill leachate treatment system.
Background
The landfill leachate is high-concentration organic wastewater which is formed by deducting the saturated water holding capacity of garbage and a soil covering layer from water contained in the garbage in a garbage landfill, rain, snow and water entering the landfill and other water and passing through the garbage layer and the soil covering layer. There is also water that accumulates to leak out of the waste ready for incineration. Landfill leachate is high-concentration organic wastewater with complex components, and if the high-concentration organic wastewater is directly discharged into the environment without treatment, serious environmental pollution is caused. However, the treatment process in the prior art is usually only a simple physical precipitation or chemical precipitation method, and such a treatment method cannot well treat the harmful substances in the leachate completely, and still causes certain harm to the environment after being discharged.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a landfill leachate treatment system, so that the landfill leachate treatment system has industrial value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a landfill leachate treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a garbage leachate treatment system comprises a sewage pump, wherein the water outlet end of the sewage pump is sequentially connected with a solution collecting tank, a primary physical sedimentation tank, a secondary physical sedimentation tank, a chemical sedimentation tank, an anaerobic tank, a biomembrane tank, an ultrafiltration membrane, a disinfection tank and a clean water tank, a water level monitoring device is arranged in the solution collecting tank, a grid is arranged at the position close to the top inside the primary physical sedimentation tank, an active carbon filter screen is arranged at the position close to the top inside the secondary physical sedimentation tank, a dosing pump is connected with the drug inlet end at the top of one side of the chemical sedimentation tank through a dosing pipeline, an anaerobic generating device is arranged at the bottom of the anaerobic tank, a biological reaction membrane is arranged in the biomembrane tank along the vertical direction, a fan is connected with the air inlet end at the top of one side of the biomembrane tank through an air inlet pipeline, and the air, the top of the inner side of the disinfection tank is provided with a disinfection generating device.
As a further improvement, the utility model also comprises a waste liquid collecting tank, wherein the waste liquid outlet end of the bottom of the solution collecting tank, the preliminary physical sedimentation tank, the secondary physical sedimentation tank, the chemical sedimentation tank, the anaerobic tank, the biomembrane tank, the disinfection tank and the clean water tank is connected with the water inlet end of the waste liquid collecting tank through a water suction pump.
As a further improvement, the water outlet pipeline between the solution collecting tank, the preliminary physical sedimentation tank, the secondary physical sedimentation tank, the chemical sedimentation tank, the anaerobic tank, the biomembrane tank, the ultrafiltration membrane, the disinfection tank and the clean water tank is provided with a water suction pump.
As a further improvement, the water pump is a hydraulic pump.
As a further improvement of the utility model, the sewage pump is a hydraulic pump, and the dosing pump is a hydraulic diaphragm type metering pump.
As the utility model discloses a further improvement, chemical precipitation pond still is provided with agitating unit, and agitating unit includes motor, (mixing) shaft and stirring vane, and the motor setting all sets up the inboard at chemical precipitation pond at the top outside intermediate position of chemical precipitation pond, (mixing) shaft and stirring vane, and the drive shaft and the (mixing) shaft drive of motor are connected and are set up, are provided with a plurality of stirring vane on the (mixing) shaft.
As a further improvement of the utility model, the water level monitoring device is a floating ball type liquid level meter.
As a further improvement of the utility model, the disinfection generating device is a disinfectant sprayer or an ultraviolet disinfection lamp.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model relates to a garbage leachate treatment system, which can well treat harmful substances in leachate in a mode of combining physical precipitation, chemical precipitation, biomembrane reaction, ultrafiltration and disinfection processes; the utility model has simple and reasonable structure design, good stability, easy control and low processing cost; through the structure setting of waste liquid collecting tank, can regularly concentrate the collection processing to the waste liquid in solution collecting tank, preliminary physics sedimentation tank, secondary physics sedimentation tank, chemical sedimentation tank, anaerobism pond, biomembrane pond, disinfection pond and the clean water basin, guarantee the clean degree of each reaction tank, avoid remaining the waste liquid too and lead to reducing reaction efficiency and the reaction effect in each reaction tank.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a landfill leachate treatment system of the utility model.
In the drawings, the meanings of the reference numerals are as follows.
1 sewage pump 2 solution collecting tank
3 primary physical settling tank and 4 secondary physical settling tanks
5 chemical sedimentation tank 6 anaerobic tank
7 biological membrane pool 8 ultrafiltration membrane
9 sterilizing tank and 10 purifying tank
12 water level monitoring devices in 11 waste liquid collecting ponds
13 suction pump 14 grid
15 active carbon filter screen 16 stirring vane
17 stirring shaft 18 motor
19 medicine feeding pump 20 anaerobic generating device
21 blower 22 biological reaction film
23 exhaust fan 24 disinfection generating device
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solution of the present invention better understood, the technical solution 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 some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in figure 1 of the drawings, in which,
a landfill leachate treatment system comprises a sewage pump 1, wherein the water outlet end of the sewage pump 1 is sequentially connected with a solution collecting tank 2, a primary physical sedimentation tank 3, a secondary physical sedimentation tank 4, a chemical sedimentation tank 5, an anaerobic tank 6, a biomembrane tank 7, an ultrafiltration membrane 8, a disinfection tank 9 and a clean water tank 10, a water level monitoring device 12 is arranged in the solution collecting tank 2, a grid 14 is arranged at the position close to the top of the inner side of the primary physical sedimentation tank 3, an active carbon filter screen 15 is arranged at the position close to the top of the inner side of the secondary physical sedimentation tank 4, a dosing pump 19 is connected with the medicine inlet end at the top of one side of the chemical sedimentation tank 5 through a dosing pipeline, a flocculating agent enters the chemical sedimentation tank 5 through a medicine dosing pump 19 and a medicine dosing pipeline, an anaerobic generating device 20 is arranged at the bottom of the anaerobic tank 6, a biological reaction membrane 22 is arranged in the biomembrane tank 7 along the vertical direction, a fan 21 is connected, the air-out end at the top of the other side of the biomembrane pond 7 is connected with an exhaust pipeline through an exhaust fan 23, the input of gas into the biomembrane pond 7 through a fan 21 and an air inlet pipeline is favorable for accelerating the reaction efficiency in the biomembrane pond 7, the gas pressure in the biomembrane pond 7 can be balanced through the exhaust fan 23 and the exhaust pipeline, and the top of the inner side of the disinfection pond 9 is provided with a disinfection generating device 24.
Preferably, the device also comprises a waste liquid collecting tank 11, and the waste liquid outlet ends at the bottoms of the solution collecting tank 2, the primary physical sedimentation tank 3, the secondary physical sedimentation tank 4, the chemical sedimentation tank 5, the anaerobic tank 6, the biomembrane tank 7, the disinfection tank 9 and the clean water tank 10 are connected with the water inlet end of the waste liquid collecting tank 11 through a water suction pump 13.
Preferably, water suction pumps 13 are arranged on water outlet pipelines among the solution collecting tank 2, the primary physical sedimentation tank 3, the secondary physical sedimentation tank 4, the chemical sedimentation tank 5, the anaerobic tank 6, the biomembrane tank 7, the ultrafiltration membrane 8, the disinfection tank 9 and the clean water tank 10.
Preferably, the suction pump 13 is a hydraulic pump.
Preferably, the sewage pump 1 is a hydraulic pump and the dosing pump 19 is a hydraulic diaphragm-type metering pump. The dosing pump 19 is a hydraulic diaphragm type metering pump, so that the dosing amount can be accurately controlled.
Preferably, chemical precipitation pond 5 still is provided with agitating unit, and agitating unit includes motor 18, (mixing) shaft 17 and stirring vane 16, and motor 18 sets up the top outside intermediate position at chemical precipitation pond 5, and (mixing) shaft 17 and stirring vane 16 all set up the inboard at chemical precipitation pond 5, and motor 18's drive shaft and (mixing) shaft 17 drive connection set up, are provided with a plurality of stirring vane 16 on the (mixing) shaft 17. Through the agitating unit who sets up at chemical sedimentation pond 5, can accelerate the chemical flocculation and precipitation reaction process in chemical sedimentation pond 5, improve reaction efficiency.
Preferably, the water level monitoring device 12 is a float-type level gauge. The liquid level condition of the solution collecting tank 2 can be monitored in real time through the water level monitoring device 12.
Preferably, the disinfection generating device 24 is a disinfectant sprayer or an ultraviolet disinfection lamp. The incoming water to the disinfection tank 9 is disinfected by a disinfection generator 24.
The utility model relates to a landfill leachate processing system, landfill leachate is promoted by sewage pump 1 in subsequent each reaction tank, wherein, solution collecting reservoir 2 collects the processing to landfill leachate, later carry out preliminary physical settlement via the grid 14 of preliminary physical sedimentation tank 3, and the active carbon filter screen 15 of secondary physical sedimentation tank 4 carries out secondary physical sedimentation, later carry out chemical flocculation precipitation reaction via chemical sedimentation tank 5, later enter into in biomembrane pond 7 after the anaerobic reaction of anaerobic generating device 20 in the anaerobism pond 6, get rid of difficult degradation organic matters such as ammonia nitrogen in landfill leachate through the biological reaction membrane, later carry out ultrafiltration filtration processing through milipore filter 8, later disinfect via disinfection generating device 24 of disinfection pond 9, collect in water purification tank 10 in unison at last.
The structures and the working principles of the components such as the middle ultrafiltration membrane 8, the anaerobic generating device 20 and the biological reaction membrane 22 of the present invention are conventional technical means in the field, and therefore, the detailed and limited description thereof is omitted.
The utility model relates to a garbage leachate treatment system, which can well treat harmful substances in leachate in a mode of combining physical precipitation, chemical precipitation, biomembrane reaction, ultrafiltration and disinfection processes; the utility model has simple and reasonable structure design, good stability, easy control and low processing cost; through the structure setting of waste liquid collecting tank 11, can regularly concentrate the collection to the waste liquid in solution collecting tank 2, preliminary physics sedimentation tank 3, secondary physics sedimentation tank 4, chemical precipitation pond 5, anaerobism pond 6, biomembrane pond 7, disinfection pond 9 and clean water reservoir 10 and handle, guarantee the clean degree of each reaction tank, avoid remaining the waste liquid too much to lead to reducing the reaction efficiency and the reaction effect in each reaction tank.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being grined. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate member, or may be a communication between two elements.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The landfill leachate treatment system is characterized by comprising a sewage pump (1), wherein the water outlet end of the sewage pump (1) is sequentially connected with a solution collecting tank (2), a primary physical sedimentation tank (3), a secondary physical sedimentation tank (4), a chemical sedimentation tank (5), an anaerobic tank (6), a biomembrane tank (7), an ultrafiltration membrane (8), a disinfection tank (9) and a water purification tank (10), a water level monitoring device (12) is arranged in the solution collecting tank (2), a grid (14) is arranged at the position, close to the top, of the inner side of the primary physical sedimentation tank (3), an active carbon filter screen (15) is arranged at the position, close to the top, of the inner side of the secondary physical sedimentation tank (4), a dosing pump (19) is connected with the drug inlet end at the top of one side of the chemical sedimentation tank (5) through a dosing pipeline, and an anaerobic generation device (20) is arranged at the bottom of the anaerobic tank (6), be provided with biological reaction membrane (22) along vertical direction in biomembrane pond (7), fan (21) are connected through the air inlet end at intake stack and biomembrane pond (7) one side top, and the air-out end at biomembrane pond (7) opposite side top is connected with exhaust pipe through exhaust fan (23), the inboard top in disinfection pond (9) is provided with disinfection generating device (24).
2. The landfill leachate treatment system of claim 1, further comprising a waste liquid collection tank (11), wherein the waste liquid outlet ends of the bottoms of the solution collection tank (2), the primary physical sedimentation tank (3), the secondary physical sedimentation tank (4), the chemical sedimentation tank (5), the anaerobic tank (6), the biofilm tank (7), the disinfection tank (9) and the clean water tank (10) are connected with the water inlet end of the waste liquid collection tank (11) through a water pump (13).
3. The landfill leachate treatment system of claim 1, wherein a water pump (13) is arranged on the water outlet pipeline between the solution collection tank (2), the primary physical sedimentation tank (3), the secondary physical sedimentation tank (4), the chemical sedimentation tank (5), the anaerobic tank (6), the biofilm tank (7), the ultrafiltration membrane (8), the disinfection tank (9) and the clean water tank (10).
4. A landfill leachate treatment system according to any of the claims 2 or 3, characterized in that the water pump (13) is a hydraulic pump.
5. The landfill leachate treatment system of claim 1, wherein the sewage pump (1) is a hydraulic pump and the dosing pump (19) is a hydraulic diaphragm metering pump.
6. The landfill leachate treatment system according to claim 1, wherein the chemical sedimentation tank (5) is further provided with a stirring device, the stirring device comprises a motor (18), a stirring shaft (17) and stirring blades (16), the motor (18) is arranged at a middle position outside the top of the chemical sedimentation tank (5), the stirring shaft (17) and the stirring blades (16) are both arranged inside the chemical sedimentation tank (5), a driving shaft of the motor (18) is in driving connection with the stirring shaft (17), and the stirring shaft (17) is provided with a plurality of stirring blades (16).
7. The landfill leachate treatment system of claim 1, wherein the water level monitoring device (12) is a ball float level gauge.
8. The landfill leachate treatment system of claim 1, wherein the disinfection generating device (24) is a disinfectant sprayer or a UV disinfection lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946546.7U CN212246696U (en) | 2020-05-29 | 2020-05-29 | Landfill leachate treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020946546.7U CN212246696U (en) | 2020-05-29 | 2020-05-29 | Landfill leachate treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212246696U true CN212246696U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020946546.7U Active CN212246696U (en) | 2020-05-29 | 2020-05-29 | Landfill leachate treatment system |
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| CN (1) | CN212246696U (en) |
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2020
- 2020-05-29 CN CN202020946546.7U patent/CN212246696U/en active Active
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