CN211999363U - Treatment system of domestic waste leachate - Google Patents
Treatment system of domestic waste leachate Download PDFInfo
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- CN211999363U CN211999363U CN202020403693.XU CN202020403693U CN211999363U CN 211999363 U CN211999363 U CN 211999363U CN 202020403693 U CN202020403693 U CN 202020403693U CN 211999363 U CN211999363 U CN 211999363U
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- 239000010791 domestic waste Substances 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 174
- 238000001728 nano-filtration Methods 0.000 claims abstract description 33
- 238000003860 storage Methods 0.000 claims abstract description 33
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 25
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000002455 scale inhibitor Substances 0.000 claims description 5
- 239000012459 cleaning agent Substances 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 17
- 238000001914 filtration Methods 0.000 abstract description 10
- 239000000149 chemical water pollutant Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 6
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- 229910001220 stainless steel Inorganic materials 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
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- 229910052698 phosphorus Inorganic materials 0.000 description 2
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- 238000010992 reflux Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
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- 238000010521 absorption reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of environmental protection, in particular to a treatment system of domestic garbage leachate, which comprises a lift pump, an upflow anaerobic reactor, an anaerobic tank, a first aerobic tank, a second aerobic tank, a sedimentation tank, a membrane biological reaction tank, a water tank, an ultrafiltration device, a water tank, a nanofiltration device, a water storage tank and a reverse osmosis device; the utility model discloses the landfill leachate that processing system produced the landfill district promotes to STREAMING anaerobic reactor through elevator pump or sewage pump. After being anaerobically treated by an upflow anaerobic reactor, the sewage enters an anaerobic tank, a first aerobic tank and a second aerobic tank. Fully realizes the functions of removing organic matters and denitrifying. And the treated water flows to a sedimentation tank, and after sedimentation, sludge is discharged to a sludge tank for subsequent filtration treatment. The sewage is treated by the membrane biological reaction tank, the ultrafiltration device, the nanofiltration device and the reverse osmosis device through the pump, and the national discharge standard is effectively achieved.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, especially, relate to a processing system of domestic waste filtration liquid.
Background
Aiming at the treatment of the domestic garbage percolate, the natural degradation purification method adopted in the prior art is not allowed to be reused due to serious environmental pollution, and the following methods are adopted at present:
a leachate recharging method: the leachate is sent back to a landfill area and is evaporated or seeped into a garbage pile for anaerobic degradation again, the difficulty of the method is high, the effect of accelerating the stabilization of the water quality of the leachate is only achieved, the treatment degree is low, and the national specified discharge standard cannot be met. Especially, the rain fall in the Luoyang is large, and the balance of the treated water quantity cannot be achieved by recharging the rainwater.
Land treatment method: the method is developed on the basis of leachate recharge, and achieves the purpose of purifying leachate by utilizing a soil-plant system comprising filtration and interception of soil, physical and chemical precipitation, adsorption and decomposition, ingestion of plants and microorganisms, oxidative degradation, evaporation, transpiration and the like. However, because the water quality and the components of the landfill leachate are complex and greatly changed, the content of certain heavy metal elements in the landfill leachate exceeds the standard, and soil in the south is mostly acidic, which is beneficial to the movement and the absorption of heavy metals, so that if the method is not adopted, destructive pollution of the soil in the sewage irrigation can be caused. At present, no garbage landfill site in China simply adopts the method.
Therefore, how to effectively treat the domestic garbage leachate becomes the focus of social attention at present.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem and provide a processing system of domestic waste filtration liquid.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a treatment system for domestic garbage leachate comprises a lift pump, an upflow anaerobic reactor, an anaerobic tank, a first aerobic tank, a second aerobic tank, a sedimentation tank, a membrane biological reaction tank, a water tank, an ultrafiltration device, a water tank, a nanofiltration device, a water storage tank and a reverse osmosis device;
the water outlet of the lift pump is communicated with the water inlet of the upflow anaerobic reactor through a pipeline, the water outlet of the upflow anaerobic reactor is communicated with the water inlet of the anaerobic tank through a pipeline, the water outlet of the anaerobic tank is communicated with the water inlet of the first aerobic tank through a pipeline, the water outlet of the first aerobic tank is communicated with the water inlet of the second aerobic tank through a pipeline, the water outlet of the second aerobic tank is communicated with the water inlet of the sedimentation tank through a pipeline, the water outlet of the sedimentation tank is communicated with the water inlet of the membrane biological reaction tank through a pipeline, the water outlet of the membrane biological reaction tank is communicated with the water inlet of the water tank through a pipeline, the water outlet of the water tank is communicated with the water inlet of the ultrafiltration device through a pipeline, and the water outlet of the ultrafiltration device is communicated with the water inlet of the water, the water outlet of the water tank is communicated with the water inlet of the nanofiltration device through a pipeline, the water outlet of the nanofiltration device is communicated with the water inlet of the water storage tank through a pipeline, and the water outlet of the water storage tank is communicated with the water outlet of the reverse osmosis device through a pipeline.
The utility model has the advantages that: the utility model discloses the landfill leachate that processing system produced the landfill district is through dedicated collecting tube inward-remitted equalizing basin, and filtration liquid obtains the equal volume of homogeneity in the equalizing basin. Adding special strains and agents into the regulating tank can generate anaerobic and facultative biochemical reactions in the regulating tank, and can remove part of CODcr and BOD5And NH4 +-N. And separating solid impurities from the sewage flowing out of the regulating tank by a stainless steel fine grid, then feeding the sewage into the grid tank, and then lifting the sewage to the upflow anaerobic reactor by using a lifting pump or a sewage pump. After being anaerobically treated by an upflow anaerobic reactor, the sewage enters an anaerobic tank, a first aerobic tank and a second aerobic tank. Fully realizes the functions of removing organic matters and denitrifying. And the treated water flows to a sedimentation tank, and after sedimentation, sludge is discharged to a sludge tank for subsequent filtration treatment. The sewage is treated by the membrane biological reaction tank, the ultrafiltration device, the nanofiltration device and the reverse osmosis device through the pump, and the national discharge standard is effectively achieved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, micropore aeration pipes are arranged in the first aerobic tank, the second aerobic tank and the membrane biological reaction tank, and are respectively communicated with an external fan through pipelines.
Further, the device also comprises a cleaning component for cleaning the ultrafiltration device, the nanofiltration device and the reverse osmosis device.
Further, wash the subassembly including the washing jar that is used for storing the washing medicament, be equipped with the agitator in the washing jar, the delivery port of washing jar is linked together through the water inlet of pipeline with the water pump, the delivery port of water pump respectively through the lateral conduit with ultrafiltration device's water inlet, nanofiltration device's water inlet and reverse osmosis unit's water inlet are linked together.
Further, a water inlet of the nanofiltration device and a water inlet of the reverse osmosis device are respectively communicated with a sulfuric acid storage tank through pipelines, and a stirrer is arranged in the sulfuric acid storage tank.
Further, a water inlet of the nanofiltration device and a water inlet of the reverse osmosis device are respectively communicated with a reducing agent storage tank through pipelines, and a stirrer is arranged in the reducing agent storage tank.
Further, a water inlet of the nanofiltration device is communicated with a scale inhibitor storage tank through a pipeline, and a stirrer is arranged in the scale inhibitor storage tank.
The device further comprises a clean water tank, a tank returning water tank and a sludge tank, wherein the water outlet of the reverse osmosis device is communicated with the water inlet of the clean water tank through a pipeline, the water returning and irrigating tank is respectively communicated with the ultrafiltration device, the nanofiltration device and the reverse osmosis device through pipelines, and the sludge tank is communicated with the sedimentation tank and the upflow anaerobic reactor through pipelines.
Drawings
Fig. 1 is a system flow equipment diagram of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a lift pump, 2, an upflow anaerobic reactor, 3, an anaerobic tank, 4, a first aerobic tank, 5, a second aerobic tank, 6, a sedimentation tank, 7, a membrane biological reaction tank, 8, a water tank, 9, an ultrafiltration device, 10, a water tank, 11, a nanofiltration device, 12, a water storage tank, 13, a reverse osmosis device, 14, a microporous aeration pipe, 15, a fan, 16, a cleaning tank, 17, a sulfuric acid storage tank, 18, a reducing agent storage tank, 19, a scale inhibitor storage tank, 20, a clean water tank, 21, a recharge water tank, 22 and a sludge tank.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1, a treatment system for domestic garbage leachate comprises a lift pump 1, an upflow anaerobic reactor 2, an anaerobic tank 3, a first aerobic tank 4, a second aerobic tank 5, a sedimentation tank 6, a membrane biological reaction tank 7, a water tank 8, an ultrafiltration device 9, a water tank 10, a nanofiltration device 11, a water storage tank 12 and a reverse osmosis device 13;
the water outlet of the lift pump 1 is communicated with the water inlet of the upflow anaerobic reactor 2 through a pipeline, the water outlet of the upflow anaerobic reactor 2 is communicated with the water inlet of the anaerobic tank 3 through a pipeline, the water outlet of the anaerobic tank 3 is communicated with the water inlet of the first aerobic tank 4 through a pipeline, the water outlet of the first aerobic tank 4 is communicated with the water inlet of the second aerobic tank 5 through a pipeline, the water outlet of the second aerobic tank 5 is communicated with the water inlet of the sedimentation tank 6 through a pipeline, the water outlet of the sedimentation tank 6 is communicated with the water inlet of the membrane biological reaction tank 7 through a pipeline, the water outlet of the membrane biological reaction tank 7 is communicated with the water inlet of the water tank 8 through a pipeline, the water outlet of the water tank 8 is communicated with the water inlet of the ultrafiltration device 9 through a pipeline, and the water outlet of the ultrafiltration device 9 is communicated with the water inlet of the water tank, the water outlet of the water tank 10 is communicated with the water inlet of the nanofiltration device 11 through a pipeline, the water outlet of the nanofiltration device 11 is communicated with the water inlet of the water storage tank 12 through a pipeline, and the water outlet of the water storage tank 12 is communicated with the water outlet of the reverse osmosis device 13 through a pipeline.
And microporous aeration pipes 14 are respectively arranged in the first aerobic tank 4, the second aerobic tank 5 and the membrane biological reaction tank 7, the microporous aeration pipes 14 are respectively communicated with an external fan 15 through pipelines, and the second aerobic tank 5 is communicated with a sludge reflux nitration pump to reflux sludge into the anaerobic tank 3.
The utility model provides a processing system of domestic waste filtration liquid, still includes the washing subassembly that is used for wasing ultrafiltration device 9, nanofiltration device 11 and reverse osmosis unit 13, wash the subassembly including the washing jar 16 that is used for storing the washing medicament, be equipped with the agitator in the washing jar 16, the delivery port of washing jar 16 is linked together through the water inlet of pipeline with the water pump, the delivery port of water pump respectively through the lateral conduit with ultrafiltration device 9's water inlet, nanofiltration device 11's water inlet and reverse osmosis unit 13's water inlet are linked together.
The water inlet of the nanofiltration device 11 and the water inlet of the reverse osmosis device 13 are respectively communicated with a sulfuric acid storage tank 17 through pipelines, and a stirrer is arranged in the sulfuric acid storage tank 17.
The water inlet of the nanofiltration device 11 and the water inlet of the reverse osmosis device 13 are respectively communicated with a reducing agent storage tank 18 through pipelines, and a stirrer is arranged in the reducing agent storage tank 18.
The water inlet department of nanofiltration device 11 communicates in antisludging agent storage tank 19 through the pipeline, be equipped with the agitator in the antisludging agent storage tank 19, the agitator in this application is that the motor drives the stirring leaf rotatory, and it is current product, and all product equipment in this application all are current products simultaneously.
A treatment system for domestic garbage leachate further comprises a clean water tank 20, a tank returning water tank 21 and a sludge tank 22, wherein a water outlet of a reverse osmosis device 13 is communicated with a water inlet of the clean water tank 20 through a pipeline, the tank returning water tank 21 is respectively communicated with an ultrafiltration device 9, a nanofiltration device 11 and the reverse osmosis device 13 through pipelines, the purpose is to enable concentrated water in the ultrafiltration device 9, the nanofiltration device 11 and the reverse osmosis device 13 to flow back into the tank returning water tank 21 and then to be filled into a landfill, the sludge tank 22 is communicated with a sedimentation tank 6 and an upflow anaerobic reactor 2 through pipelines, residual sludge in the upflow anaerobic reactor 2 and the sedimentation tank 6 enters the sludge tank 22, and partial sludge flows back into an anaerobic tank 3.
The utility model discloses the landfill leachate that processing system produced the landfill district is through dedicated collecting tube inward-remitted equalizing basin, and filtration liquid obtains the equal volume of homogeneity in the equalizing basin. Adding special strains and agents into the regulating tank can generate anaerobic and facultative biochemical reactions in the regulating tank, and can remove part of CODcr and BOD5And NH4 +-N. The sewage flowing out of the regulating tank enters the grid pond after solid impurities are separated by the stainless steel fine grid, and then is lifted to the upflow anaerobic reactor 2 by the lifting pump 1 or the sewage pump. After being anaerobically treated by the upflow anaerobic reactor 2, the sewage enters an anaerobic tank 3, a first aerobic tank 4 and a second aerobic tank 5. Fully realizes the functions of removing organic matters and denitrifying. The treated water flows to a sedimentation tank 6, and after sedimentation, sludge is discharged to a sludge tank 22 for subsequent filtration treatment. The sewage is treated by the membrane biological reaction tank 7, the ultrafiltration device 9, the nanofiltration device 11 and the reverse osmosis device 13 by the pump to reach the discharge standard and then discharged.
After the sewage is treated by the upflow anaerobic reactor 2, COD 60-90% can be removed, non-ammonia nitrogen in the sewage is converted into ammonia nitrogen, and simultaneously partial NH is contained4 +-N is removed. The produced biogas is discharged or recycled after desulfurization and deodorization. Effluent enters an anaerobic tank 3, excess sludge enters a sludge tank 22 through an activated sludge pipe, and after being treated by an upflow anaerobic reactor 2, the aerobic biodegradability of sewage is greatly enhanced, the concentration of toxic substances influencing or inhibiting the growth of aerobic bacteria is also reduced, and the nitrogen and phosphorus treatment efficiency of leachate also reaches 60 to 80 percent through anaerobic and aerobic treatment.
The membrane biological reaction tank 7 adopts an external ultrafiltration membrane, and has the characteristics of stable operation and convenient operation, the residual COD with poor biodegradability and refractory pollutants such as medium metals and the like in the effluent of the membrane biological reaction tank 7 are difficult to remove by the traditional process, and in order to reach the comprehensive wastewater discharge standard of GB8979-1996, the reverse osmosis device 13 is adopted at the tail end of the process.
Some of the equipment parameters are as follows:
1. sedimentation tank
2. Upflow anaerobic reactor
3. Membrane biological reaction tank
Structural form concrete structure
Designing the size: 7m × 6 × 5.0 m;
total volume: 210mm3；
Effective volume: 110.25m3；
Residence time: 13 h;
MBR membrane flux: 13L/m2·h；
MBR membrane area: 800m2。
The corollary equipment:
an internal circulating pump: vertical centrifugal pump, 2 stands, 1 stand by 1, Q is 12m3/h，H＝5m；
A submersible propeller: 2 stations, QJB 1.5/6-260/3-960/S;
an aeration pipe: 50 pieces with ventilation volume of 3-5 m3H is branched;
MBR membrane air washing fan: roots blower, 2 stands, 1 stand with 1 stand, Q3.09 m3/h，P＝49kPa；
MBR membrane: hollow fiber, PVDF material, 800m2A mold frame 304;
MBR drain pump: 3, 2, 1 spare, self-priming pump, Q is 5m3/h，H＝10m；
Ultraviolet sterilization equipment: 1, Q ═ 8m3/h；
4. Reverse osmosis device
Membrane flux: 11L/m2·h；
Design recovery rate: about 75 percent;
designing water inlet capacity: 10m3/h；
Designing water production capacity: 7.5m3/h；
Designing the membrane area: 680m2；
Designing an operating pressure: 40 bar;
the corollary equipment:
a raw water tank: 1, PE water tank (containing guide rod type floating ball level meter), 10m3；
A raw water pump: vertical centrifugal pump, 2 stands, 1 stand by 1, Q is 10m3H, H is 40m, and the flow material 316L;
a cartridge filter: 1, Q is 10m3H, a shell of 316L stainless steel and a PP melt-blown filter element with the filtering precision of 20 mu m;
a high-pressure pump: vertical centrifugal pump, 1, Q10 m3H, H is 400m, the overcurrent material 316L is distributed with a frequency conversion motor;
and (3) RO membrane: 20 pieces, DOW, BW30FR-365, 34m2；
Membrane shell: 4, 8', 5 cores are arranged, the operating pressure is 40bar, and the glass fiber reinforced plastic membrane shell is arranged;
circulating pump: vertical centrifugal pump, 2, Q20 m3H, H is 30m, the material of the flow passage is 316L, and the pressure of an inlet is 40 bar;
the matched instrument: 1 set (ORP meter, conductivity meter, flow meter, pressure sensor, thermometer, pH meter, etc.);
a drug washing system: 1 set (containing a metering pump and a medicine storage tank);
RO produces the water tank: 1 stand, PE, 10m3；
And (3) recharging the RO concentrated solution: screw pump 1, G30-1, Q5 m3/h，H＝60m。
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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, in the description of the present invention, the term "plurality" means at least two, e.g., two, three, etc., unless explicitly limited otherwise.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A treatment system for domestic garbage leachate is characterized by comprising a lift pump (1), an upflow anaerobic reactor (2), an anaerobic tank (3), a first aerobic tank (4), a second aerobic tank (5), a sedimentation tank (6), a membrane biological reaction tank (7), a water tank (8), an ultrafiltration device (9), a water tank (10), a nanofiltration device (11), a water storage tank (12) and a reverse osmosis device (13);
the water outlet of the lift pump (1) is communicated with the water inlet of the upflow anaerobic reactor (2) through a pipeline, the water outlet of the upflow anaerobic reactor (2) is communicated with the water inlet of the anaerobic tank (3) through a pipeline, the water outlet of the anaerobic tank (3) is communicated with the water inlet of the first aerobic tank (4) through a pipeline, the water outlet of the first aerobic tank (4) is communicated with the water inlet of the second aerobic tank (5) through a pipeline, the water outlet of the second aerobic tank (5) is communicated with the water inlet of the sedimentation tank (6) through a pipeline, the water outlet of the sedimentation tank (6) is communicated with the water inlet of the membrane biological reaction tank (7) through a pipeline, the water outlet of the membrane biological reaction tank (7) is communicated with the water inlet of the water tank (8) through a pipeline, the water outlet of the water tank (8) is communicated with the water inlet of the ultrafiltration device (9) through a pipeline, the water outlet of the ultrafiltration device (9) is communicated with the water inlet of the water tank (10) through a pipeline, the water outlet of the water tank (10) is communicated with the water inlet of the nanofiltration device (11) through a pipeline, the water outlet of the nanofiltration device (11) is communicated with the water inlet of the water storage tank (12) through a pipeline, and the water outlet of the water storage tank (12) is communicated with the water outlet of the reverse osmosis device (13) through a pipeline.
2. The system for treating leachate of domestic garbage as claimed in claim 1, wherein the first aerobic tank (4), the second aerobic tank (5) and the membrane biological reaction tank (7) are each provided with a microporous aeration pipe (14), and the microporous aeration pipes (14) are respectively communicated with an external fan (15) through pipelines.
3. The system for treating leachate of domestic waste according to claim 1, further comprising a cleaning module for cleaning the ultrafiltration device (9), the nanofiltration device (11) and the reverse osmosis device (13).
4. The household garbage leachate treatment system according to claim 3, wherein the cleaning assembly comprises a cleaning tank (16) for storing a cleaning agent, an agitator is arranged in the cleaning tank (16), a water outlet of the cleaning tank (16) is communicated with a water inlet of a water pump through a pipeline, and a water outlet of the water pump is communicated with a water inlet of the ultrafiltration device (9), a water inlet of the nanofiltration device (11) and a water inlet of the reverse osmosis device (13) through branch pipelines respectively.
5. The treatment system of household garbage leachate according to claim 1, wherein the water inlet of the nanofiltration device (11) and the water inlet of the reverse osmosis device (13) are respectively communicated with a sulfuric acid storage tank (17) through a pipeline, and a stirrer is arranged in the sulfuric acid storage tank (17).
6. The treatment system of household garbage leachate according to claim 1, wherein the water inlet of the nanofiltration device (11) and the water inlet of the reverse osmosis device (13) are respectively connected to a reducing agent storage tank (18) through a pipeline, and a stirrer is disposed in the reducing agent storage tank (18).
7. The treatment system of household garbage leachate according to claim 1, wherein the water inlet of the nanofiltration device (11) is connected to a scale inhibitor storage tank (19) through a pipeline, and a stirrer is arranged in the scale inhibitor storage tank (19).
8. The system for treating leachate of domestic garbage as claimed in any one of claims 1 to 7, further comprising a clean water tank (20), a recharge water tank (21) and a sludge tank (22), wherein the water outlet of the reverse osmosis device (13) is connected to the water inlet of the clean water tank (20) through a pipeline, the recharge water tank (21) is respectively connected to the ultrafiltration device (9), the nanofiltration device (11) and the reverse osmosis device (13) through pipelines, and the sludge tank (22) is connected to the sedimentation tank (6) and the upflow anaerobic reactor (2) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403693.XU CN211999363U (en) | 2020-03-25 | 2020-03-25 | Treatment system of domestic waste leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020403693.XU CN211999363U (en) | 2020-03-25 | 2020-03-25 | Treatment system of domestic waste leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211999363U true CN211999363U (en) | 2020-11-24 |
Family
ID=73421560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020403693.XU Expired - Fee Related CN211999363U (en) | 2020-03-25 | 2020-03-25 | Treatment system of domestic waste leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211999363U (en) |
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2020
- 2020-03-25 CN CN202020403693.XU patent/CN211999363U/en not_active Expired - Fee Related
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