CN208617632U - A kind of processing percolate from garbage filling field system - Google Patents
A kind of processing percolate from garbage filling field system Download PDFInfo
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- CN208617632U CN208617632U CN201820656864.2U CN201820656864U CN208617632U CN 208617632 U CN208617632 U CN 208617632U CN 201820656864 U CN201820656864 U CN 201820656864U CN 208617632 U CN208617632 U CN 208617632U
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Abstract
The utility model provides a kind of processing percolate from garbage filling field system, the system is sequentially connected by conditioning tank, filter device, removal of carbon and nitrogen mechanism and advanced treating mechanism, the processing percolate from garbage filling field system further includes sludge concentration tank and sludge dehydration device, the sludge concentration tank is connect with filter device and removal of carbon and nitrogen mechanism respectively by sludge pipe, and the sludge concentration tank is connect by return pipe with conditioning tank.The beneficial effects of the utility model are that suspended matter removal effect is good, system run all right by the way that removal of carbon and nitrogen mechanism in conjunction with advanced treating mechanism, while capable of being effectively removed ammonia nitrogen in percolate, can be reduced COD value in percolate, and processing can qualified discharge.Wherein removal of carbon and nitrogen mechanism contains anaerobic device, oxygen compatibility pool, anoxic pond, aerobic tank and membrane biological reaction apparatus, and by way of controlling and adjusting pond body and equipment room nitrification liquid and sludge reflux and reflux ratio achievees the purpose that efficient denitrification.
Description
Technical field
The utility model relates to sewage treatment fields, and specifically, the utility model relates to a kind of processing refuse landfill infiltrations
Filtrate system.
Background technique
The processing of percolated liquid in city refuse landfill is always very intractable in Landfill Site Design, operation and management asks
Topic.Percolate is product of the liquid in landfill yard gravity flowing, is mainly derived from the interior aqueous of precipitation and rubbish itself.Due to liquid
Body may influence the property of percolate, including physical factor, chemical factor and biology in many of flow process factor
Factor etc., so the property of percolate changes in a sizable range.In general, pH value is between 4 ~ 9, COD
In the range of 2000 ~ 62000mg/L, BOD5 from 60 ~ 45000mg/L, heavy metal concentration and municipal wastewater heavy metal it is dense
It spends almost the same.Percolated liquid in city refuse landfill is a kind of high concentrated organic wastewater of complicated component, if untreated and straight
Run in into environment, will cause serious environmental pollution.For the purpose of protecting environment, it is essential for carrying out processing to percolate
's.
Basic mode of China's most cities using sanitary landfills as garbage disposal is filled out in one period, health from now on
Bury the basic mode that processing will be domestic city domestic rubbish disposal.Sanitary landfills is as the current most common garbage disposal side
Method, there is also many pollution problems, a large amount of landfill leachates especially generated during landfill, if do not dealt carefully with, meeting
Water body and soil to surrounding cause seriously to pollute.
Therefore, reasonable effective processing system must be had by being directed to percolate from garbage filling field, to solve the problems, such as this.
Summary of the invention
In view of the above technical defects, the utility model provides a kind of processing percolate from garbage filling field system, to solve
Above-mentioned technological deficiency.
Specific technical solution is as follows:
A kind of processing percolate from garbage filling field system, the difference is that, the system is filled by conditioning tank, filtering
Set, removal of carbon and nitrogen mechanism and advanced treating mechanism are sequentially connected, the processing percolate from garbage filling field system further includes sludge
Concentration basin and sludge dehydration device, the sludge concentration tank are connected with filter device and removal of carbon and nitrogen mechanism respectively by sludge pipe
It connects, the sludge concentration tank is connect by return pipe with conditioning tank；
The removal of carbon and nitrogen mechanism by anaerobic device, oxygen compatibility pool, anoxic pond, aerobic tank and membrane biological reaction apparatus successively
Connection, the removal of carbon and nitrogen mechanism remove in percolate 90% ammonia nitrogen；The advanced treating mechanism is by the removal of carbon and nitrogen mechanism
Treated Organic substance in water and ammonia nitrogen substances further remove.
In above-mentioned technical proposal, the anaerobic device and oxygen compatibility pool are provided with circulation pipe, the oxygen compatibility pool and membrane bioreaction
Device is answered to be provided with mud return line, the anoxic pond and aerobic tank are provided with nitrification liquid return pipe.
In above-mentioned technical proposal, grid and diving mixer are provided in the conditioning tank.
In above-mentioned technical proposal, the aerobic tank of the removal of carbon and nitrogen mechanism is provided with aeration unit, the aeration unit packet
Include blower, aerator and pipe fitting.
In above-mentioned technical proposal, the advanced treating mechanism include nanofiltration device, nanofiltration filtered water tank, reverse osmosis unit and
Reverse osmosis filtered water tank.
In above-mentioned technical proposal, the nanofiltration filtered water tank is provided with the outlet pipe communicated with outside.
In above-mentioned technical proposal, the advanced treating mechanism further includes concentrate processing unit, and the concentrate processing is single
Member is connect with nanofiltration device and reverse osmosis unit respectively.
In above-mentioned technical proposal, screw pump, the concentration are provided between the sludge concentration tank and sludge dehydration device
Sludge is sent to the sludge dehydration device by the screw pump in pond.
The utility model has the beneficial effects that: by by removal of carbon and nitrogen mechanism in conjunction with advanced treating mechanism, Neng Gouyou
In effect ground removal percolate while ammonia nitrogen, COD value in percolate can be reduced, suspended matter removal effect is good, system run all right,
Processing can qualified discharge.Wherein removal of carbon and nitrogen mechanism contains anaerobic device, oxygen compatibility pool, anoxic pond, aerobic tank and membrane biological reaction
Device, by way of controlling and adjusting pond body and equipment room nitrification liquid and sludge reflux and reflux ratio reaches the mesh of efficient denitrification
's.
Detailed description of the invention
Fig. 1 is the utility model example structural schematic diagram；
Fig. 2 is the utility model example removal of carbon and nitrogen mechanism structure schematic diagram；
Fig. 3 is the utility model example advanced treating structural scheme of mechanism；
Fig. 4 is the utility model example conditioning tank schematic diagram；
Fig. 5 is the utility model example aeration unit schematic diagram；
Wherein, 1- conditioning tank, 2- filter device, 3- removal of carbon and nitrogen mechanism, 4- advanced treating mechanism, 5- sludge concentration tank,
6- sludge dehydration device, 101- grid, 102- diving mixer, 301- anaerobic device, 302- oxygen compatibility pool, 303- anoxic pond,
304- aerobic tank, 305- membrane biological reaction apparatus, 401- nanofiltration device, 402- nanofiltration filtered water tank, 403- reverse osmosis unit, 404-
Reverse osmosis filtered water tank, 405- concentration unit, 3041- blower, 3042- aerator, 3043- pipe fitting.
Specific embodiment:
Combined with specific embodiments below and attached drawing is described further the utility model.
A kind of processing percolate from garbage filling field system, the difference is that, the system is filled by conditioning tank 1, filtering
It sets 2, removal of carbon and nitrogen mechanism 3 and advanced treating mechanism 4 is sequentially connected, the processing percolate from garbage filling field system further includes dirt
Mud thickener 5 and sludge dehydration device 6, the sludge concentration tank 5 by sludge pipe respectively with filter device 2 and removal of carbon and nitrogen machine
Structure 3 connects, and the sludge concentration tank 5 is connect by return pipe with conditioning tank 1；By by removal of carbon and nitrogen mechanism 3 and advanced treating
Mechanism 4 combines, and while capable of being effectively removed ammonia nitrogen in percolate, can reduce COD value in percolate, though suspended matter removal effect
Fruit, system run all right, processing can qualified discharges.
The removal of carbon and nitrogen mechanism 3 is raw by anaerobic device 301, oxygen compatibility pool 302, anoxic pond 303, aerobic tank 304 and film
Object reaction unit 305 is sequentially connected, and the removal of carbon and nitrogen mechanism 3 removes in percolate 90% ammonia nitrogen；Membrane biological reaction apparatus
305 using built-in membrane processing unit, and later period operating cost is also reduced while reducing early investment.
The advanced treating mechanism 4 is by hardly degraded organic substance and ammonia nitrogen object in the removal of carbon and nitrogen mechanism 3 treated water
Matter further removes, and guarantees system standard water discharge up to amount.
Preferably, the anaerobic device 301 is provided with circulation pipe, the oxygen compatibility pool 302 and membrane bioreaction with oxygen compatibility pool 302
Device setting 305 is answered to have mud return line, the anoxic pond 303 is provided with nitrification liquid return pipe with aerobic tank 304；The denitrogenation
Carbon removing machine structure 3 is by way of controlling and adjusting nitrification liquid and sludge reflux and reflux ratio can remove in percolate 90% ammonia nitrogen,
The COD value in percolate is also reduced simultaneously, be ensure that the removal effect of suspended matter, is provided effectively for successive depths processing system
It ensures.
Preferably, grid 101 and diving mixer 102 are provided in the conditioning tank 1.The effect of conditioning tank is that homogeneous is equal
Amount；Grid 101 is mounted on conditioning tank water inlet end, and effect is primarily to retain biggish suspended matter in percolate.
Preferably, the aerobic tank 304 of the removal of carbon and nitrogen mechanism 3 is provided with aeration unit, and the aeration unit includes wind
Machine 3041, aerator 3042 and pipe fitting 3043.Compared with traditional aerobic tank aeration unit, reduce jet pump, in daily fortune
During row, on the basis of guaranteeing system removal of carbon and nitrogen, reduces the expenditure of the electricity charge, reduce the operating cost of system.
Preferably, the advanced treating mechanism 4 include nanofiltration device 401, nanofiltration filtered water tank 402, reverse osmosis unit 403 with
And reverse osmosis filtered water tank 404.
Preferably, the nanofiltration water tank 402 is provided with the outlet pipe communicated with outside.Removal of carbon and nitrogen mechanism treated water
Nanofiltration filtered water tank is reached after nanofiltration device is handled, such as reaching discharge standard can directly exclude, such as below standard through reverse osmosis unit
It is discharged after processing.
Preferably, the advanced treating mechanism further includes concentrate processing unit 405, the concentrate processing unit 405
It is connect respectively with nanofiltration device 401 and reverse osmosis unit 403.The main effect of concentrate processing unit is to reduce discharge
Amount carries out minimizing in such a way that recharge fills area, evaporation or compression film forming.
Preferably, screw pump, the sludge concentration tank 5 are provided between the sludge concentration tank 5 and sludge dehydration device 6
Sludge is sent to the sludge dehydration device 6 by the screw pump.
The utility model is by percolate from garbage filling field with being pumped to the tune for being provided with grid 101 Yu diving mixer 102
Pond 1 is saved, the larger suspended matter in percolate is retained, and is uniformly mixed water quality in pond.
Enter removal of carbon and nitrogen mechanism 3 after the filtering of filter device 2 through conditioning tank treated percolate, removes in percolate
Most organic matter, ammonia nitrogen and suspended matter；Sludge concentration tank 5 is for collecting and storing what removal of carbon and nitrogen mechanism 3 was quantitatively discharged into
Sludge, supernatant reflux 1 circular treatment of conditioning tank；5 sludge of sludge concentration tank is sent by pumping to sludge dehydration device 6, after dehydration
Mud cake, which is transported to refuse landfill landfill or is transported to garbage burning factory, carries out minimizing processing.
Removal of carbon and nitrogen mechanism 3 enters nanofiltration filtered water tank after the nanofiltration device 401 of depth processing mechanism 4 is handled after being discharged
402, it is detected, if direct emission up to standard, if below standard enter reverse osmosis filtered water tank 404 after the processing of reverse osmosis unit 403
Discharge；Concentrate processing unit 405 is connect with nanofiltration device 401 and reverse osmosis unit 403 respectively.The concentrate processing unit
Main effect is to reduce discharge amount, carries out minimizing in such a way that recharge fills area, evaporation or compression film forming.
The above content is the further description for combining specific embodiment to do the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the ordinary skill people of technical field belonging to the utility model
For member, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as
Belong to the protection scope of the utility model.
Claims (8)
1. a kind of processing percolate from garbage filling field system, which is characterized in that the system is by conditioning tank, filter device, denitrogenation
Carbon removing machine structure and advanced treating mechanism are sequentially connected, the processing percolate from garbage filling field system further include sludge concentration tank and
Sludge dehydration device, the sludge concentration tank are connect with filter device and removal of carbon and nitrogen mechanism respectively by sludge pipe, the dirt
Mud thickener is connect by return pipe with conditioning tank；
The removal of carbon and nitrogen mechanism is successively connected by anaerobic device, oxygen compatibility pool, anoxic pond, aerobic tank and membrane biological reaction apparatus
It connects, 90% ammonia nitrogen in the removal of carbon and nitrogen mechanism removal percolate；
The advanced treating mechanism further removes the removal of carbon and nitrogen mechanism treated Organic substance in water and ammonia nitrogen substances.
2. a kind of processing percolate from garbage filling field system according to claim 1, which is characterized in that the anaerobic device with
Oxygen compatibility pool is provided with circulation pipe, and the oxygen compatibility pool and membrane biological reaction apparatus are provided with mud return line, the anoxic pond with it is good
Oxygen pond is provided with nitrification liquid return pipe.
3. a kind of processing percolate from garbage filling field system according to claim 1, which is characterized in that set in the conditioning tank
It is equipped with grid and diving mixer.
4. a kind of processing percolate from garbage filling field system according to claim 1, which is characterized in that the removal of carbon and nitrogen machine
The aerobic tank of structure is provided with aeration unit, and the aeration unit includes blower, aerator and pipe fitting.
5. a kind of processing percolate from garbage filling field system according to claim 1, which is characterized in that the advanced treating machine
Structure includes nanofiltration device, nanofiltration filtered water tank, reverse osmosis unit and reverse osmosis filtered water tank.
6. a kind of processing percolate from garbage filling field system according to claim 5, which is characterized in that the nanofiltration filtered water tank
It is provided with the outlet pipe communicated with outside.
7. a kind of processing percolate from garbage filling field system according to claim 5, which is characterized in that the advanced treating machine
Structure further includes concentrate processing unit, and the concentrate processing unit is connect with nanofiltration device and reverse osmosis unit respectively.
8. a kind of processing percolate from garbage filling field system according to claim 1, which is characterized in that the sludge concentration tank
And screw pump is provided between sludge dehydration device, the sludge concentration tank is sent sludge to the sludge by the screw pump
Dehydration device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656864.2U CN208617632U (en) | 2018-05-04 | 2018-05-04 | A kind of processing percolate from garbage filling field system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820656864.2U CN208617632U (en) | 2018-05-04 | 2018-05-04 | A kind of processing percolate from garbage filling field system |
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| Publication Number | Publication Date |
|---|---|
| CN208617632U true CN208617632U (en) | 2019-03-19 |
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| CN201820656864.2U Active CN208617632U (en) | 2018-05-04 | 2018-05-04 | A kind of processing percolate from garbage filling field system |
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2018
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