CN219823906U - Garbage leachate and kitchen sewage cooperative treatment system - Google Patents
Garbage leachate and kitchen sewage cooperative treatment system Download PDFInfo
- Publication number
- CN219823906U CN219823906U CN202320216104.0U CN202320216104U CN219823906U CN 219823906 U CN219823906 U CN 219823906U CN 202320216104 U CN202320216104 U CN 202320216104U CN 219823906 U CN219823906 U CN 219823906U
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- Prior art keywords
- tank
- pipeline
- pipe connection
- pond
- sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 54
- 230000018044 dehydration Effects 0.000 claims abstract description 14
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 14
- 230000020477 pH reduction Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 230000007062 hydrolysis Effects 0.000 claims abstract description 10
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 10
- 239000010802 sludge Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 10
- 238000001728 nano-filtration Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000149 chemical water pollutant Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 230000003301 hydrolyzing effect Effects 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 238000004062 sedimentation Methods 0.000 abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 239000006228 supernatant Substances 0.000 abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 239000006260 foam Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000001546 nitrifying effect Effects 0.000 description 2
- 238000005325 percolation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of sewage treatment, in particular to a garbage leachate and kitchen sewage cooperative treatment system, which comprises a primary sedimentation tank, wherein the primary sedimentation tank is connected with a hydrolysis acidification tank through a pipeline, the hydrolysis acidification tank is connected with an anaerobic tank through a pipeline, the anaerobic tank is connected with a biogas residue and biogas slurry temporary storage tank through a pipeline, the biogas residue and biogas slurry temporary storage tank is connected with a horizontal release machine through a pipeline, and the horizontal release machine is connected with a biogas slurry buffer tank through a pipeline. According to the scheme, COD, suspended matter content, total nitrogen content and oil content can be synchronously reduced, COD content of sewage after desliming is low, after anaerobic reaction is carried out on kitchen sewage through an anaerobic tank, supernatant liquid after centrifugal dehydration and garbage percolate with low oil content and suspended matter content are mixed, treatment efficiency of the kitchen sewage is improved, cost input is reduced, and foam generated by a percolate treatment system can be effectively inhibited on the other hand.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a garbage leachate and kitchen sewage cooperative treatment system.
Background
At present, the domestic kitchen sewage treatment system has the following general problems: because the oil content of the kitchen sewage is high, the oil content of the anaerobic reaction effluent reaches 30-80 mg/l, and the treatment efficiency of the AO system (the capacity of a nitrifying pond for treating the kitchen sewage is 300 tons/day, the capacity of the nitrifying pond for treating the kitchen sewage which is not desliming after anaerobic treatment is about 150 tons/day) and the water yield of a tubular ultrafiltration membrane (the water yield is 10 cubes/hour) are affected. The oil content of supernatant fluid obtained after the anaerobic reaction effluent of kitchen sewage is subjected to desliming by a centrifugal dehydrator is reduced by about 50% after the supernatant fluid passes through an air floatation machine, meanwhile, COD in the desliming sewage is reduced from 10000mg/l to 3500mg/l, TN is reduced from 1800mg/l to about 1100mg/l, SS is reduced from 20000mg/l to about 3000mg/l, thus causing imbalance of C/N ratio, ensuring that total nitrogen in produced water of an AO system is less than 200, and a large amount of carbon sources (such as glucose and the like) and caustic soda flakes are required to be added into the AO system, thus causing high sewage treatment cost.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a garbage leachate and kitchen sewage cooperative treatment system.
In order to achieve the above purpose, the utility model adopts the following technical scheme: garbage leachate and kitchen sewage cooperative treatment system, including the primary sedimentation tank, the primary sedimentation tank has the hydrolysis acidification tank through the pipe connection, the hydrolysis acidification tank has the anaerobic tank through the pipe connection, the anaerobic tank has the pond of keeping in of marsh sediment natural pond liquid through the pipe connection, the pond of keeping in of marsh sediment natural pond liquid has horizontal from the type machine through the pipe connection, horizontal from the type machine has the natural pond liquid buffer tank through the pipe connection, the natural pond liquid buffer tank has big equalizing basin through the pipe connection, big equalizing basin has the denitrification tank through the pipe connection, the denitrification tank has the nitrification tank through the pipe connection, the nitrification tank has external ultrafilter through the pipe connection, external ultrafilter has the nanofiltration membrane water purifier through the pipe connection, the nanofiltration membrane water purifier has the reverse osmosis water purifier through the pipe connection.
Preferably, the hydrolytic acidification tank is connected with a cooling system through a pipeline, and the cooling system is refrigeration equipment.
Preferably, the external ultrafilter is connected with a sludge concentration and dehydration device through a pipeline, and the sludge concentration and dehydration device is connected with a slag sludge drying device through a pipeline.
Preferably, the sludge concentration and dehydration equipment is connected with the denitrification tank through a water pipe.
Preferably, the nanofiltration membrane water purifier is connected with a concentration system through a pipeline, and the concentration system is concentration equipment.
Compared with the prior art, the utility model has the following beneficial effects:
according to the scheme, kitchen sewage is subjected to anaerobic reaction firstly, the sewage after anaerobic reaction is subjected to centrifugal dehydration, COD (chemical oxygen demand), suspended matter content, total nitrogen content and oil content can be synchronously reduced, COD content of the sewage after desliming is low, in order to supplement COD required in a denitrification tank, after the kitchen sewage is subjected to anaerobic reaction in the anaerobic tank, supernatant subjected to centrifugal dehydration, garbage leachate with low oil content and suspended matter content are mixed, a part (all) of the kitchen sewage is subjected to anaerobic tank reaction according to actual conditions, and the rest part of the kitchen sewage is subjected to overrun into the denitrification tank by an adjusting tank, so that the treatment efficiency of the kitchen sewage is improved, the cost input is reduced, and on the other hand, foam generated by a leachate treatment system can be effectively inhibited.
Drawings
FIG. 1 is a flow chart of the co-treatment system for landfill leachate and kitchen sewage.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The garbage leachate and kitchen sewage cooperative treatment system shown in fig. 1 comprises a primary sedimentation tank, the primary sedimentation tank is connected with a hydrolysis acidification tank through a pipeline, the hydrolysis acidification tank is connected with an anaerobic tank through a pipeline, the anaerobic tank is connected with a biogas residue and biogas slurry temporary storage tank through a pipeline, the biogas residue and biogas slurry temporary storage tank is connected with a horizontal release machine through a pipeline, the horizontal release machine is connected with a biogas slurry buffer tank through a pipeline, the biogas slurry buffer tank is connected with a large regulating tank through a pipeline, the large regulating tank is connected with a denitrification tank through a pipeline, the denitrification tank is connected with a nitrification tank through a pipeline, the nitrification tank is connected with an external ultrafilter through a pipeline, the external ultrafilter is connected with a nanofiltration membrane water purifier through a pipeline, and the nanofiltration membrane water purifier is connected with a reverse osmosis water purifier through a pipeline. According to the scheme, kitchen sewage is subjected to anaerobic reaction, and sewage after anaerobic reaction is subjected to centrifugal dehydration. During operation, kitchen sewage is treated suspended solids in sewage through the primary sedimentation tank, sewage flows into the hydrolysis acidification tank, the sewage is used for degrading organic matters in the sewage to form biogas residue biogas slurry, the degraded biogas residue biogas slurry flows into the temporary biogas residue biogas slurry storage tank, the biogas residue biogas slurry is used for storing the biogas residue biogas slurry, the biogas residue biogas slurry is conveyed to the horizontal centrifuge for centrifugal treatment, the biogas residue biogas slurry is separated, the horizontal centrifuge is used for conveying the biogas residue to the transfer trolley through the conveying equipment, the biogas slurry is conveyed to the biogas slurry buffer tank for temporary storage, the biogas slurry in the biogas slurry buffer tank is subjected to suspended particle precipitation treatment through the percolation liquid primary sedimentation tank, the denitrification tank and the nitrification tank are used for removing ammonia nitrogen in sewage, other pollutants in the sewage are degraded at the same time, the COD content in the sewage is low, the kitchen sewage is subjected to anaerobic reaction and then subjected to centrifugal dehydration, the garbage percolation liquid with low oil content is mixed according to the required COD in the denitrification tank, the sewage can be subjected to partial anaerobic reaction, the sewage can also be conveyed to the filtration treatment from the external filter to the sewage filter, the sewage is subjected to the filtration treatment, and the sludge is sequentially carried out from the sewage filter to the sewage treatment tank, and the filtration treatment is carried out, and the sewage is subjected to the filtration treatment, and the filtration treatment is carried out from the sewage treatment is carried out in the sewage treatment, and the sewage treatment is subjected to the filtration treatment, and the filtration treatment.
The hydrolysis acidification tank is connected with a cooling system through a pipeline, and the cooling system is refrigeration equipment. The cooling system is used for cooling the hydrolytic acidification tank during operation and improving the stability of the position of the hydrolytic acidification tank.
The external ultrafilter is connected with sludge concentration and dehydration equipment through a pipeline, and the sludge concentration and dehydration equipment is connected with slag sludge drying equipment through a pipeline. The sludge concentration and dehydration equipment is connected with the denitrification tank through a water pipe. The sludge concentrating and dewatering device is used for conveying the residual sludge in the sewage in the external ultrafilter to the sludge concentrating and dewatering device, concentrating the residual sludge in the sludge concentrating and dewatering device, and conveying the supernatant after the original sludge treatment to the denitrification tank, so that the utilization efficiency of two resources is improved, and the concentrated sludge is dried by the sludge drying device.
The nanofiltration membrane water purifier is connected with a concentration system through a pipeline, and the concentration system is concentration equipment. The concentration system is used for concentrating the filtered concentrated solution, and the concentrated solution is treated by using incineration or fixed equipment after concentration.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. Garbage leachate and kitchen sewage cooperative processing system, including just heavy pond, its characterized in that, just heavy pond has the hydrolysis acidification pond through the pipe connection, the hydrolysis acidification pond has the anaerobic tank through the pipe connection, the anaerobic tank has the pond of keeping in of marsh sediment natural pond liquid through the pipe connection, the pond of keeping in of marsh sediment natural pond liquid has horizontal from the type machine through the pipe connection, horizontal from the type machine has the natural pond liquid buffer tank through the pipe connection, the natural pond liquid buffer tank has big equalizing basin through the pipe connection, big equalizing basin has the denitrification pond through the pipe connection, the denitrification pond has the nitrification pond through the pipe connection, the nitrification pond has external ultrafilter through the pipe connection, external ultrafilter has nanofiltration membrane water purifier through the pipe connection, nanofiltration membrane water purifier has the reverse osmosis water purifier through the pipe connection.
2. The co-processing system of landfill leachate and kitchen sewage according to claim 1, wherein the hydrolytic acidification tank is connected with a cooling system through a pipeline, and the cooling system is a refrigeration device.
3. The collaborative treatment system for landfill leachate and kitchen sewage according to claim 1, wherein the external ultra-filter is connected with a sludge concentration and dehydration device through a pipeline, and the sludge concentration and dehydration device is connected with a slag sludge drying device through a pipeline.
4. A landfill leachate and kitchen sewage cooperative treatment system according to claim 3, wherein the sludge concentration and dehydration device is connected with the denitrification tank through a water pipe.
5. The collaborative treatment system for landfill leachate and kitchen sewage according to claim 1, wherein the nanofiltration membrane water purifier is connected with a concentration system through a pipeline, and the concentration system is a concentration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216104.0U CN219823906U (en) | 2023-02-15 | 2023-02-15 | Garbage leachate and kitchen sewage cooperative treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216104.0U CN219823906U (en) | 2023-02-15 | 2023-02-15 | Garbage leachate and kitchen sewage cooperative treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219823906U true CN219823906U (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320216104.0U Active CN219823906U (en) | 2023-02-15 | 2023-02-15 | Garbage leachate and kitchen sewage cooperative treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219823906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117535123A (en) * | 2023-10-31 | 2024-02-09 | 浙江中科沃尔德生物科技有限公司 | System for preparing natural gas by high-efficiency biomass medium-high temperature anaerobic fermentation and process for preparing natural gas by using same |
-
2023
- 2023-02-15 CN CN202320216104.0U patent/CN219823906U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117535123A (en) * | 2023-10-31 | 2024-02-09 | 浙江中科沃尔德生物科技有限公司 | System for preparing natural gas by high-efficiency biomass medium-high temperature anaerobic fermentation and process for preparing natural gas by using same |
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