CN202543003U - Landfill leachate treatment device - Google Patents
Landfill leachate treatment device Download PDFInfo
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- CN202543003U CN202543003U CN2012201109440U CN201220110944U CN202543003U CN 202543003 U CN202543003 U CN 202543003U CN 2012201109440 U CN2012201109440 U CN 2012201109440U CN 201220110944 U CN201220110944 U CN 201220110944U CN 202543003 U CN202543003 U CN 202543003U
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Abstract
The utility model discloses a landfill leachate treatment device, which relates to a waste water treatment device. The treatment device comprises a membrane biological reaction system and a disc tube reverse osmosis (DTRO) system connected in sequence, wherein the membrane biological reaction system comprises a biological reactor, a circulating pump and a biological membrane column piece connected in sequence through pipelines; a reflux pipeline for refluxing a concentrated solution filtered by the biological membrane column piece into the biological reactor is further connected between the biological membrane column piece and the biological reactor; the DTRO system comprises a raw water tank, a raw water pump, a sand filtration booster pump, a sand filter, a core type filter, a high-pressure plunger pump and a reverse osmosis membrane column system connected in sequence through pipelines; one side of the raw water tank is provided with an acid storage tank; and an acid adding pump is arranged between pipelines of the acid storage tank and the raw water tank. Due to the adoption of the landfill leachate treatment device, landfill leachate can be treated by combining MBR (Membrane Biological Reactor) and DTRO treatment ways, on-the-spot treatment on landfill leachate can be realized, the capability of removing ammonia nitrogen and organic matters is increased, and treated outflow water can stably reach the national grade I discharge standard.
Description
Technical field
The utility model relates to the treatment unit of a kind of treatment unit of high-concentration waste water, particularly a kind of refuse leachate.
Background technology
The trash processing way of present domestic big and medium-sized cities has modes such as landfill, compost and burning electricity generation.No matter be the sort of processing mode, the percolate that rubbish produced all is headachy problem.Contain a large amount of toxic substances in the percolate, all very high like heavy metal particles, ammonia nitrogen and COD (COD) etc., this just makes that the processing of percolate is very difficult.The processing mode of generally using at present is to be transported to the municipal sewage plant to handle, and this just need bear high trucking costs and processing costs, and in transportation, can pollute the source transfer, very easily constitutes secondary pollution problems.Therefore, the on-the-spot disposal of refuse leachate just has realistic meaning very much.
The device that is used for the treating refuse percolate now mainly contains two kinds: a kind of is disc tube reverse osmosis (dt-ro) system (DTRO), and another kind is membrane bioreactor (MBR).Disc tube reverse osmosis (dt-ro) system (DTRO) is as a kind of physical treatment method; Generally be used for the refuse landfill of each place; The present treatment process of the liquid concentrator of its generation is for recharging the refuse tip; The characteristics of disc tube reverse osmosis (dt-ro) system (DTRO) treatment process are stabilizing effective to make the liquid that sees through of discharging reach national grade one discharge standard; And weak point is that its liquid concentrator recharges the refuse tip, can only lean on the biochemical ability of rubbish itself to eliminate pollution substance wherein, and pollution substance can not be eliminated for a long time.Membrane bioreactor (MBR) is an emerging water technology; Be mainly used in the municipal sewage treatment field; Be characterized in that membrane separation technique and biotechnology have been carried out High-Efficient Organic ground to be combined; Though but gone out most larger molecular organics and large diameter solid particulate in the liquid, but still do not reach national grade one discharge standard through seeing through behind the ultrafiltration membrance filter.
Summary of the invention
The purpose of the utility model provide a kind of can with two kinds of processing modes of membrane bioreactor (MBR) and disc tube reverse osmosis (dt-ro) system (DTRO) combine to percolate handle, can realize refuse leachate on-the-spot disposal, improve and can stablize the refuse leachate treatment unit that reaches national grade one discharge standard the water outlet of ammonia nitrogen and organic removal ability, processing.
The utility model for realizing the technical scheme that above-mentioned purpose adopts is: a kind of refuse leachate treatment unit; Comprise the membrane bio-reaction system and the disc tube reverse osmosis (dt-ro) system that connect successively; Said membrane bio-reaction system comprises bio-reactor, recycle pump, the microbial film column piece that connects successively through pipeline; Bio-reactor one side be connected with can be in it roots blower of supplemental oxygen; Also be connected with between biological mould column piece and the bio-reactor liquid concentrator backspace after the biological mould column piece filtration is flow to the reflux line in the bio-reactor; Said disc tube reverse osmosis (dt-ro) system comprises former water pot, raw water pump, sand filtration topping-up pump, sand-bed filter, core formula strainer, high pressure plunger pump, the reverse osmosis membrane column system that connects successively through pipeline; Former water pot one side also is connected with acid storage tank through pipeline, and the pipeline enclosure of acid storage tank and former water pot is provided with the acid solution in the acid storage tank is evacuated to the sour pump that adds in the former water pot, and former water pot front end also is provided with the effusive filtered liq of microbial film column piece is evacuated to the submersible pump in the former water pot.
Be provided with whisking appliance in the wherein said bio-reactor.
The liquid outlet that sees through of wherein said reverse osmosis membrane column system has the clear water jar through pipe connection, is connected with fresh water pump on the pipeline of clear water jar exit end rear side, and the clear water delivery side of pump can be communicated in the pipeline of sand-bed filter input terminus front side through water valve control.
Wherein said disc tube reverse osmosis (dt-ro) system also comprises scavenging pump A and scavenging pump B, and the output terminal of scavenging pump A and scavenging pump B is connected to respectively in the pipeline of sand filtration topping-up pump input terminus front side side by side.
Wherein said disc tube reverse osmosis (dt-ro) system also comprises scavenging pump C, and the output terminal of scavenging pump C is connected in the pipeline of core formula strainer input terminus front side.
Wherein said reverse osmosis membrane column system comprises the reverse osmosis membrane column piece that at least two groups are arranged side by side, and first group of reverse osmosis membrane column piece directly supplied water by high pressure plunger pump, also is connected with online pump on the pipeline of the input terminus of other reverse osmosis membrane column piece respectively.
The pipeline of the liquid concentrator output terminal of wherein said reverse osmosis membrane column system is provided with pressure regulator valve.
The utility model refuse leachate treatment unit is owing to comprise membrane bio-reaction system and the disc tube reverse osmosis (dt-ro) system that connects successively; Can two kinds of processing modes of membrane bioreactor (MBR) and disc tube reverse osmosis (dt-ro) system (DTRO) be combined percolate is handled; Water outlet after the biochemical treatment is carried out mud liquid and is separated in the microbial film column piece; Mud is returned bio-reactor; Save the sludge treatment expense so greatly, and kept the microbial biomass of high density, can be up to more than the 10g/L; Make anaerobic pond get into nitrated state (the raising system is to ammonia nitrogen, organic removal ability) easily, the water outlet that can realize on-the-spot disposal, the processing of refuse leachate can be stablized and reached national grade one discharge standard.
Below in conjunction with accompanying drawing and embodiment the utility model refuse leachate treatment unit is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model refuse leachate treatment unit.
Main element label declaration: 1-equalizing tank, 2-submersible pump, 3-membrane bio-reaction system, 31-roots blower, 32-bio-reactor, 33-whisking appliance; The 34-recycle pump, 35-microbial film column piece, 36-reflux line, 4-disc tube reverse osmosis (dt-ro) system, 401-submersible pump, the former water pot of 402-; 403-adds sour pump, 404-acid storage tank, 405-raw water pump, 406-clear water jar, 407-fresh water pump, first group of reverse osmosis membrane column piece of 408-; Second group of reverse osmosis membrane column piece of 409-, the online pump of 410-, 411-pressure regulator valve, 412-scavenging pump A, 413-scavenging pump B, 414-sand filtration topping-up pump; The 415-sand-bed filter, 416-scavenging pump C, 417-core formula strainer, 418-high pressure plunger pump, 5-liquid concentrator storage tank.
Embodiment
As shown in Figure 1, the utility model refuse leachate treatment unit comprises the membrane bio-reaction system 3 and the disc tube reverse osmosis (dt-ro) system 4 that connect successively.
Said membrane bio-reaction system 3 comprises bio-reactor 32, recycle pump 34, the microbial film column piece 35 that connects successively through pipeline; Bio-reactor 32 1 sides be connected with can be in it roots blower 31 of supplemental oxygen; Be provided with whisking appliance 33 in the bio-reactor 32; Whisking appliance 33 fully stirred bioreactor 32 interior penetrating fluids fully reacts it, also is connected with between biological mould column piece and the bio-reactor 32 the liquid concentrator backspace after the biological mould column piece filtration is flow to the reflux line in the bio-reactor 32.
Said disc tube reverse osmosis (dt-ro) system 4 comprises former water pot 402, raw water pump 405, sand filtration topping-up pump 414, sand-bed filter 415, core formula strainer 417, high pressure plunger pump 418, the reverse osmosis membrane column system that connects successively through pipeline; Former water pot 402 1 sides also are connected with acid storage tank 404 through pipeline; The pipeline enclosure of acid storage tank 404 and former water pot 402 is provided with the acid solutions in the acid storage tank 404 is evacuated to the sour pump 403 that adds in the former water pot 402, and former water pot 402 front ends also are provided with microbial film column piece 35 effusive filtered liqs are evacuated to the submersible pump 401 in the former water pot 402.The liquid outlet that sees through of reverse osmosis membrane column system has clear water jar 406 through pipe connection, is connected with fresh water pump 407 on the pipeline of clear water jar 406 exit end rear sides, and the output terminal of fresh water pump 407 can be communicated in the pipeline of sand-bed filter 415 input terminus front sides through water valve control.Said reverse osmosis membrane column system comprises that at least two groups reverse osmosis membrane column piece arranged side by side (only illustrates two groups of reverse osmosis membrane column pieces among the figure; But the utility model is not limited to two groups of reverse osmosis membrane column pieces); First group of reverse osmosis membrane column piece 408 directly supplied water by high pressure plunger pump 418; Also be connected with online pump 410 on the pipeline of the input terminus of second group of reverse osmosis membrane column piece 409; Also be connected with online pump 410 on the pipeline of the input terminus of other reverse osmosis membrane column piece respectively, online pump 410 can effectively keep the liquid pressure in other reverse osmosis membrane column piece.The pipeline of the liquid concentrator output terminal of reverse osmosis membrane column system is provided with pressure regulator valve 411, can adjust reverse osmosis membrane column system internal pressure through regulating pressure regulator valve 411, through the filtration velocity of adjustment pressure and then adjustment reverse osmosis membrane column system.Disc tube reverse osmosis (dt-ro) system 4 also comprises scavenging pump A412, scavenging pump B413 and scavenging pump C416; The output terminal of scavenging pump A412 and scavenging pump B413 is connected to respectively in the pipeline of sand filtration topping-up pump 414 input terminus front sides side by side, and the output terminal of scavenging pump C416 is connected in the pipeline of core formula strainer 417 input terminus front sides.Scavenging pump A412, scavenging pump B413 and the scavenging pump C416 outside are respectively equipped with the container (not shown) that scavenging solution is housed; When needs cleaning sand filter 415, core formula strainer 417; The input terminus that is about to scavenging pump A412, scavenging pump B413 and scavenging pump C416 is connected with the container that scavenging solution is housed separately respectively, restarts scavenging pump A412, scavenging pump B413 and scavenging pump C416 and gets final product.
When the treating refuse penetrating fluid; With submersible pump 2 penetrating fluid in the equalizing tank 1 is extracted in the bio-reactor 32; Submersible pump 2 has been equipped with frequency transformer; Flow can be regulated like this, and the state of aerobic microbiological of 32 li of output and bio-reactors of percolate can be set flooding velocity according to every day, according to flow the frequency of intake pump is carried out PID and regulates.The parameter that submersible pump 2 need be monitored at work has two; The one, motor temperature; The 2nd, pressure is just reported to the police in case surpass set(ting)value, arrives in the pipeline of bio-reactor 32 at pumping plant; The flow of continuous monitoring percolate, inflow temperature, PH-value and specific conductivity, and be transferred to system in order to store and to handle.Turn on agitator 33 and roots blower 31; Penetrating fluid fully is extracted into filtration in the microbial film column piece 35 by recycle pump 34 with reacted penetrating fluid after the reaction in bio-reactor 32; Flow to bio-reactor 32 interior continuation through the liquid concentrator process reflux line backspace after 35 filtrations of microbial film column piece and participate in biological respinse; Get into disc tube reverse osmosis (dt-ro) system 4 through the filtered liq after 35 filtrations of microbial film column piece and continue to handle, the submersible pump of former water pot 402 inlet ends is evacuated to filtered liq in the former water pot 402.When filtered liq gets into former water pot 402, add sulfuric acid adjusting pH value through adding sour pump 403 from acid storage tank 404.In former water pot 402 feed-water ends and the former water pot 402 the pH value transmitter is arranged all, the PLC (not shown) judges that former water ph value and the automatic frequency that adds sour pump 403 of regulating add the acid amount with adjustment, finally is to get into the preceding penetrating fluid pH value of reverse osmosis membrane column piece to reach 6-6.5.The water outlet of former water storage tank supplies water for sand-bed filter 415 by raw water pump 405, and sand-bed filter 415 topping-up pumps provide pressure to percolate.Sand-bed filter 415 all has pressure transmitter into and out of water end (W.E.), detects pressure reduction automatically, when pressure reduction surpasses 3bar, carries out wash procedure; The filtering accuracy of sand-bed filter 415 is diameter 50 μ m; Directly get into core formula strainer 417 through sand-bed filter 415 back penetrating fluids, for the reverse osmosis membrane column system provides last pipe protection barrier, the precision of core formula strainer 417 is diameter 10 μ m; Percolate through core formula strainer 417 directly gets into high pressure plunger pump 418; All there is a vibroshock (not shown) each high pressure plunger pump 418 back, is used to absorb the pulse that high pressure plunger pump 418 produces, and pressure stably is provided for the reverse osmosis membrane column piece.High pressure plunger pump 418 water outlets get into the reverse osmosis membrane column system; First group of reverse osmosis membrane column piece 408 is owing to be that high pressure plunger pump 418 directly supplies water; Can produce enough flows and flow velocity, other reverse osmosis membrane column piece needs online pump 410 superchargings that necessary flow velocity just can be provided.The water outlet of reverse osmosis membrane column piece is divided into two portions; See through liquid and enter clear water jar 406; Regulate PH here and clean use to discharging of neutrality back or confession disc tube reverse osmosis (dt-ro) system 4; The output terminal of fresh water pump 407 is controlled in the pipeline that can be communicated to sand-bed filter 415 input terminus front sides through water valve and is used for equipment such as cleaning sand filter 415, core formula strainer 417, high pressure plunger pump 418, reverse osmosis membrane column system; The concentrated solution outlet end of r-o-is provided with pressure regulator valve 411, is used to control the pressure in the reverse osmosis membrane column piece, to produce the clear water recovery about 80%.Liquid concentrator enters in the liquid concentrator storage tank 5, landfill after the press filtration of liquid concentrator coagulation.
Claims (7)
1. refuse leachate treatment unit; Comprise the membrane bio-reaction system (3) and the disc tube reverse osmosis (dt-ro) system (4) that connect successively; It is characterized in that; Said membrane bio-reaction system (3) comprises bio-reactor (32), recycle pump (34), the microbial film column piece (35) that connects successively through pipeline; Bio-reactor (32) one sides be connected with can be in it roots blower (31) of supplemental oxygen; Also be connected with between biological mould column piece and the bio-reactor (32) the liquid concentrator backspace after the biological mould column piece filtration is flow to the reflux line (36) in the bio-reactor (32); Said disc tube reverse osmosis (dt-ro) system (4) comprises former water pot (402), raw water pump (405), sand filtration topping-up pump (414), sand-bed filter (415), core formula strainer (417), high pressure plunger pump (418), the reverse osmosis membrane column system that connects successively through pipeline; Former water pot (402) one sides also are connected with acid storage tank (404) through pipeline; The pipeline enclosure of acid storage tank (404) and former water pot (402) is provided with the acid solution in the acid storage tank (404) is evacuated to and adds sour pump (403) in the former water pot (402), and former water pot (402) front end also is provided with the effusive filtered liq of microbial film column piece (35) is evacuated to the submersible pump (401) in the former water pot (402).
2. refuse leachate treatment unit as claimed in claim 1 is characterized in that, is provided with whisking appliance (33) in the said bio-reactor (32).
3. refuse leachate treatment unit as claimed in claim 1; It is characterized in that; The liquid outlet that sees through of said reverse osmosis membrane column system has clear water jar (406) through pipe connection; Be connected with fresh water pump (407) on the pipeline of clear water jar (406) exit end rear side, the output terminal of fresh water pump (407) can be communicated in the pipeline of sand-bed filter (415) input terminus front side through water valve control.
4. refuse leachate treatment unit as claimed in claim 1; It is characterized in that; Said disc tube reverse osmosis (dt-ro) system (4) also comprises scavenging pump A (412) and scavenging pump B (413), and the output terminal of scavenging pump A (412) and scavenging pump B (413) is connected to respectively in the pipeline of sand filtration topping-up pump (414) input terminus front side side by side.
5. refuse leachate treatment unit as claimed in claim 1; It is characterized in that; Said disc tube reverse osmosis (dt-ro) system (4) also comprises scavenging pump C (416), and the output terminal of scavenging pump C (416) is connected in the pipeline of core formula strainer (417) input terminus front side.
6. refuse leachate treatment unit as claimed in claim 1; It is characterized in that; Said reverse osmosis membrane column system comprises the reverse osmosis membrane column piece that at least two groups are arranged side by side; First group of reverse osmosis membrane column piece (408) directly supplied water by high pressure plunger pump (418), also is connected with online pump (410) on the pipeline of the input terminus of other reverse osmosis membrane column piece (409) respectively.
7. refuse leachate treatment unit as claimed in claim 1 is characterized in that, the pipeline of the liquid concentrator output terminal of said reverse osmosis membrane column system is provided with pressure regulator valve (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201109440U CN202543003U (en) | 2012-03-22 | 2012-03-22 | Landfill leachate treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201109440U CN202543003U (en) | 2012-03-22 | 2012-03-22 | Landfill leachate treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN202543003U true CN202543003U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201109440U Expired - Lifetime CN202543003U (en) | 2012-03-22 | 2012-03-22 | Landfill leachate treatment device |
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| Country | Link |
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| CN (1) | CN202543003U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919272A (en) * | 2014-04-25 | 2014-07-16 | 安徽中烟再造烟叶科技有限责任公司 | Cryo-concentration system and method for reconstituted tobacco extraction liquid |
| CN108975641A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of processing method of rubbish leachate |
| CN108975640A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of high-efficient treatment method of rubbish leachate |
-
2012
- 2012-03-22 CN CN2012201109440U patent/CN202543003U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103919272A (en) * | 2014-04-25 | 2014-07-16 | 安徽中烟再造烟叶科技有限责任公司 | Cryo-concentration system and method for reconstituted tobacco extraction liquid |
| CN108975641A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of processing method of rubbish leachate |
| CN108975640A (en) * | 2018-09-27 | 2018-12-11 | 山东理工大学 | A kind of high-efficient treatment method of rubbish leachate |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20121121 |