CN214735195U - A sewage treatment system for landfill leachate - Google Patents
A sewage treatment system for landfill leachate Download PDFInfo
- Publication number
- CN214735195U CN214735195U CN202120330248.XU CN202120330248U CN214735195U CN 214735195 U CN214735195 U CN 214735195U CN 202120330248 U CN202120330248 U CN 202120330248U CN 214735195 U CN214735195 U CN 214735195U
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- Prior art keywords
- module
- pond
- tank
- liquid outlet
- transition jar
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- 239000010865 sewage Substances 0.000 title claims abstract description 15
- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000004062 sedimentation Methods 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000005374 membrane filtration Methods 0.000 claims abstract description 9
- 230000008676 import Effects 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 33
- 238000001728 nano-filtration Methods 0.000 claims description 10
- 238000001223 reverse osmosis Methods 0.000 claims description 10
- 238000000108 ultra-filtration Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001546 nitrifying effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006396 nitration reaction Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010813 municipal solid waste Substances 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Images
Abstract
The utility model relates to a sewage treatment system for landfill leachate, including sedimentation tank, equalizing basin, the anaerobism pond that connects gradually, the sedimentation tank top is equipped with sealed apron A, is equipped with filtration liquid import and gas vent A on the sealed apron A, and the sedimentation tank bottom is equipped with the mud discharge pipe, is equipped with communicating pipe between sedimentation tank one side and the equalizing basin, and the anaerobism bottom of the pool is equipped with the feed liquor pipe, and the anaerobism top of the pool is equipped with sealed apron B, is equipped with gas vent B on the sealed apron B, gas vent A and gas vent B respectively have a torch tower through the pipe connection, and anaerobism pond one side upper end is equipped with the liquid outlet and connects gradually denitrification tank and nitration tank, and the liquid outlet of nitration tank is connected with membrane filtration system; the utility model provides the high treatment effect has reduced the pollution to the environment, has improved economic benefits.
Description
Technical Field
The utility model relates to a waste incineration power generation technical field specifically is a sewage treatment system for landfill leachate.
Background
Municipal solid waste can concentrate and burn the electricity generation, realizes the resource and recycles, and current waste incineration power generation enterprise generally piles up rubbish to the rubbish hole earlier, contains certain moisture in the rubbish, at first through the percolation after the dripdrying send into burning furnace again and burn, and the filtration liquid has certain toxicity, can not directly discharge, must handle, and current landfill leachate processing system treatment effect is relatively poor, is difficult to reach qualified emission standard.
Disclosure of Invention
The utility model aims at providing a sewage treatment system for landfill leachate, which aims to solve the problem that the treatment effect of the existing landfill leachate treatment system is poor and the qualified discharge standard is difficult to reach.
The utility model has the following concrete scheme: the utility model provides a sewage treatment system for landfill leachate, is including the sedimentation tank, equalizing basin, the anaerobism pond that connect gradually, and the sedimentation tank top is equipped with sealed apron A, is equipped with filtration liquid import and gas vent A on the sealed apron A, and the sedimentation tank bottom is equipped with the mud delivery pipe, is equipped with communicating pipe between sedimentation tank one side and the equalizing basin, and the anaerobism bottom of the pool portion is equipped with the feed liquor pipe, and the anaerobism top of the pool portion is equipped with sealed apron B, is equipped with gas vent B on the sealed apron B, gas vent A and gas vent B respectively have a torch tower through the pipe connection, and anaerobism pond one side upper end is equipped with the liquid outlet and has connected gradually the denitrification pond and nitrify the pond, and the liquid outlet of nitrifying the pond is connected with membrane filtration system.
Nitrify the pond outside and be equipped with cooling device, nitrify pond one side and be equipped with the back flow, the back flow stretches into behind cooling device in the denitrification pond.
Nitrify the pond top and be equipped with spray set, spray set's feed liquor pipe is connected to nitrify in the pond through the booster pump, and spray set is used for eliminating and nitrifies the bubble on the pond liquid level.
Membrane filtration system include with nitrify the ultrafiltration module that the liquid outlet of pond is connected, transition jar A is equipped with to ultrafiltration module's output, transition jar A's liquid outlet has side by side through the pump and has received filter module A and receive filter module B, receive filter module A and receive filter module B and all be equipped with clear liquid export and dense liquid export, two clear liquid exit linkage have transition jar B, two dense liquid exit linkage have transition jar C, transition jar B's liquid outlet has reverse osmosis module through the pump connection, transition jar C's liquid outlet is connected with concentrated module, reverse osmosis module is equipped with clear liquid discharge port and dense liquid discharge port, wherein clear liquid discharge port is connected with the water pitcher and qualifies, the dense liquid discharge port is connected to transition jar A through the backflow pipeline, the liquid outlet of concentrated module is connected with the dense liquid jar.
The ultrafiltration module is provided with a return line connected to a denitrification tank.
Reverse osmosis module's feed liquor end is equipped with the back flow of washing of connecting transition jar B, concentrated module's feed liquor end is equipped with the back flow of washing of connecting transition jar C, it is equipped with the back flow of washing of connecting transition jar A to receive filter module A and receive filter module B's feed liquor end to receive filter module A.
The working principle of the utility model is as follows: the method comprises the steps of collecting garbage leachate, intensively conveying the collected garbage leachate into a sedimentation tank for sedimentation, returning settled sludge to a garbage pit for incineration after dehydration treatment, enabling upper-layer liquid of the sedimentation tank to overflow into an adjusting tank, enabling sewage with different concentrations in different periods to be mixed and stored through the adjusting tank, then pumping the liquid in the adjusting tank into an anaerobic tank for anaerobic fermentation treatment, leading biogas generated in the sedimentation tank and the anaerobic tank to be burnt and discharged by a torch tower through a pipeline, carrying out denitrification treatment on the liquid after the anaerobic treatment through denitrification and nitrification, finally filtering the liquid through a membrane filtration system to divide the liquid into qualified water and concentrated liquid, discharging the qualified water to a sewage treatment plant for reprocessing, and returning the concentrated liquid to a power plant to serve as slag cooling water.
Compared with the prior art, the utility model has the following advantages: 1. the sewage purification treatment effect is improved, and the pollution to the environment is reduced; 2. the precipitated sludge and the filtered concentrated solution can be recycled and reused in the power generation production, so that the economic benefit is improved; 3. the treatment system is basically sealed, and the generated odor is discharged after being subjected to drainage combustion, so that the pollution of garbage odor to the surrounding environment is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-a sedimentation tank, 2-an exhaust pipeline, 3-a torch tower, 4-a regulating tank, 5-an anaerobic tank, 6-a denitrification tank, 7-a nitrification tank, 8-a cooling device, 9-a membrane filtration system, 91-an ultrafiltration module, 92-a transition tank A, 93-a nanofiltration module A, 94-a nanofiltration module B, 95-a transition tank B, 96-a transition tank C, 97-a reverse osmosis module, 98-a concentration module, 99-a qualified water tank, 910-a concentrated liquid tank, 911-a flushing return pipe and 10-a spraying device.
Detailed Description
Referring to fig. 1, this embodiment is including the sedimentation tank 1, equalizing basin 4, the anaerobism pond 5 that connect gradually, and 1 top of sedimentation tank is equipped with sealed apron a, is equipped with filtration liquid import and gas vent a on the sealed apron a, and 1 bottom of sedimentation tank is equipped with the mud delivery pipe, is equipped with communicating pipe between 1 one side of sedimentation tank and the equalizing basin 4, and 5 bottoms in anaerobism pond are equipped with the feed liquor pipe, and 5 tops in anaerobism pond are equipped with sealed apron B, are equipped with gas vent B on the sealed apron B, gas vent a and gas vent B respectively are connected with torch tower 3 through exhaust duct 2, and 5 one side upper ends in anaerobism pond are equipped with the liquid outlet and have connected gradually denitrification pond 6 and nitration pond 7, and the liquid outlet of nitration pond 7 is connected with membrane filtration system 9.
In this embodiment, a cooling device 8 is installed outside the nitrification tank 7, and a return pipe is installed on one side of the nitrification tank 7 and extends into the denitrification tank 6 after passing through the cooling device 8.
In the embodiment, the top of the nitrification tank 7 is provided with the spraying device 10, a liquid inlet pipe of the spraying device 10 is connected into the nitrification tank 7 through a booster pump, and the spraying device 10 is used for eliminating bubbles on the liquid surface in the nitrification tank 7.
In this embodiment the membrane filtration system 9 includes with the ultrafiltration module 91 that the liquid outlet of nitrifying pond 7 is connected, transition jar a92 is equipped with to ultrafiltration module 91's output, the liquid outlet of transition jar a92 has nanofiltration module a93 and nanofiltration module B94 through pump parallel connection, nanofiltration module a93 and nanofiltration module B94 all are equipped with clear liquid export and concentrate export, two clear liquid exports are connected with transition jar B95, two concentrate exports are connected with transition jar C96, the liquid outlet of transition jar B95 is connected with reverse osmosis module 97 through the pump, the liquid outlet of transition jar C96 is connected with concentration module 98, reverse osmosis module 97 is equipped with clear liquid discharge port and concentrate discharge port, wherein the clear liquid discharge port is connected with qualified water pitcher 99, the concentrate discharge port is connected to transition jar a92 through the backflow pipeline, concentration module 98's liquid outlet is connected with concentrate jar 910.
The ultrafiltration module 91 of this embodiment is provided with a return line connected to the denitrification tank 6.
The liquid inlet end of reverse osmosis module 97 is equipped with the back flow 911 that washes of connecting transition jar B95, the liquid inlet end of concentration module 98 is equipped with the back flow 911 that washes of connecting transition jar C96, the liquid inlet end of nanofiltration module A93 and nanofiltration module B94 is equipped with the back flow 911 that washes of connecting transition jar A92.
Claims (6)
1. The utility model provides a sewage treatment system for landfill leachate, characterized by: including sedimentation tank, equalizing basin, the anaerobism pond that connects gradually, the sedimentation tank top is equipped with sealed apron A, is equipped with filtration liquid import and gas vent A on the sealed apron A, and the sedimentation tank bottom is equipped with the mud delivery pipe, is equipped with communicating pipe between sedimentation tank one side and the equalizing basin, and the anaerobism bottom of the pool portion is equipped with the feed liquor pipe, and the anaerobism top of the pool portion is equipped with sealed apron B, is equipped with gas vent B on the sealed apron B, gas vent A and gas vent B respectively have a torch tower through the pipe connection, and anaerobism pond one side upper end is equipped with the liquid outlet and has connected gradually the denitrification pond and nitrify the pond, and the liquid outlet of nitrifying the pond is connected with membrane filtration system.
2. The sewage treatment system for landfill leachate according to claim 1, wherein: a cooling device is arranged outside the nitrification tank, a return pipe is arranged on one side of the nitrification tank, and the return pipe passes through the cooling device and then extends into the denitrification tank.
3. The sewage treatment system for landfill leachate according to claim 1, wherein: nitrify the pond top and be equipped with spray set, spray set's feed liquor pipe is connected to nitrify in the pond through the booster pump, and spray set is used for eliminating the bubble on the liquid level in nitrifying the pond.
4. The sewage treatment system for landfill leachate according to claim 1, wherein: the membrane filtration system include with nitrify the ultrafiltration module that the liquid outlet of pond is connected, transition jar A is equipped with to the output of ultrafiltration module, transition jar A's liquid outlet has through pump side by side connection to receive filtration module A and receive filtration module B, receive filtration module A and receive filtration module B and all be equipped with clear liquid export and dense solution export, two clear liquid exit linkage have transition jar B, two dense solution exit linkage have transition jar C, transition jar B's liquid outlet has reverse osmosis module through pump connection, transition jar C's liquid outlet is connected with concentrated module, reverse osmosis module is equipped with clear liquid discharge port and dense solution discharge port, wherein the clear liquid discharge port is connected with qualified water pitcher, the dense solution discharge port is connected to transition jar A through the backflow pipeline, concentrated module's liquid outlet is connected with the dense solution jar.
5. The sewage treatment system for landfill leachate according to claim 4, wherein: the ultrafiltration module is provided with a return line connected to the denitrification tank.
6. The sewage treatment system for landfill leachate according to claim 4, wherein: the feed liquor end of reverse osmosis module is equipped with the back flow of washing of connecting transition jar B, the feed liquor end of concentrated module is equipped with the back flow of washing of connecting transition jar C, the feed liquor end of nanofiltration module A and nanofiltration module B is equipped with the back flow of washing of connecting transition jar A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330248.XU CN214735195U (en) | 2021-02-05 | 2021-02-05 | A sewage treatment system for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120330248.XU CN214735195U (en) | 2021-02-05 | 2021-02-05 | A sewage treatment system for landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214735195U true CN214735195U (en) | 2021-11-16 |
Family
ID=78644326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120330248.XU Expired - Fee Related CN214735195U (en) | 2021-02-05 | 2021-02-05 | A sewage treatment system for landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214735195U (en) |
-
2021
- 2021-02-05 CN CN202120330248.XU patent/CN214735195U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |