CN209081580U - A kind of city garbage percolate pretreatment system - Google Patents

A kind of city garbage percolate pretreatment system Download PDF

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Publication number
CN209081580U
CN209081580U CN201821264636.7U CN201821264636U CN209081580U CN 209081580 U CN209081580 U CN 209081580U CN 201821264636 U CN201821264636 U CN 201821264636U CN 209081580 U CN209081580 U CN 209081580U
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China
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tank
pool
liquid pool
sludge
pond
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CN201821264636.7U
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Inventor
Jie Bai
白洁
Zhigang Li
黎志刚
Xiaoqing Wen
温晓晴
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Dongguan Zhongyuan Environmental Investment Co., Ltd
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Dongguan City Intelligence Charge For Remittance Business Science And Technology Ltd
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Abstract

The utility model relates to sewage treatment fields, more particularly to a kind of city garbage percolate pretreatment system, including carrying out liquid pool, conditioning tank, reaction tank, vertical sedimentation tank, intermediate pool, sludge concentration tank, secondary settling tank, filtering ponds and clear water reserviors, it is described come liquid pool exit be equipped with fine fack, it is described come liquid pool interconnected with conditioning tank by stoste delivery pump, the outlet of the reaction tank is connected to vertical sedimentation tank, the outlet of the vertical sedimentation tank is connected to intermediate pool, it is described come liquid pool, vertical sedimentation tank, intermediate pool, secondary settling tank, filtering bottom of pond portion is pumped by slurries and is connected to sludge concentration tank, the sludge condensation bottom of pond portion is equipped with the sludge outlet with switch, the filtering ponds overflow port is connected to clear water reserviors, the clear water reserviors are equipped with valvular outlet conduit.The utility model processing cost is low, take up little area, facilitates management operating, pretreating effect good.

Description

A kind of city garbage percolate pretreatment system
Technical field
The utility model relates to sewage treatment fields, more particularly to a kind of city garbage percolate pretreatment system.
Background technique
With the expansion of China's city size, the raising of the increase of urban population and Living consumption, China city is raw The yield of rubbish living is also steeply rising.The especially big cities such as Shanghai, Guangzhou produce rubbish daily more than 1kg, close to work per capita Industry level of developed countries.According to the principle of China's garbage disposal " innoxious, minimizing, recycling ", large quantities of lifes will be created Garbage sanitary filling field living.And landfill leachate whether can processed qualified discharge be to measure whether landfill yard is health One of important indicator of landfill yard.
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 heavy metal from 60~45000mg/L, heavy metal concentration and municipal wastewater Concentration is almost the same.Percolated liquid in city refuse landfill is a kind of high concentrated organic wastewater of complicated component, if untreated It is directly discharged into environment, will cause serious environmental pollution.For the purpose of protecting environment, it is essential for carrying out processing to percolate 's.Landfill leachate is a kind of high concentration organic garbage filter liquid for being difficult to be handled, mainly from following three aspects: 1, the natural precipitation and runoff in landfill yard, 2, the water that contains of rubbish itself, 3, after garbage loading embeading due to the anaerobism of microorganism The water for decomposing and generating, wherein the precipitation in landfill yard is major part.The water quality of landfill leachate has following essential characteristic: (1) pollutant concentration is high, and COD, BOD and ammonia nitrogen are mostly tens~hundred times of industrial pollutants national emission standard or more, (2) existing organic contamination ingredient also has inorganic pollutant component, while also containing some micro heavy pollutant components, comprehensive dirty Dye feature is obvious, and (3) organic pollutant category is more, complicated component.Organic pollutant is more in landfill leachate, and up to 77 kinds, In be difficult to the non-chlorinated such as biodegradable naphthalene, phenanthrene aromatic compound, chlorinated aromatic race compound, phosphate, phthalic acid Ester, phenolic compound and amino benzenes compounds etc. contain 10 various metals ions, heavy metal therein in (4) landfill leachate Ion can generate serious inhibiting effect, microbial nutrition element ratio numerous imbalances in (5) percolate to biological treatment process. Ammonia nitrogen concentration therein is very high, and C/N is out of proportion, nutrition required for microorganism grows when nutritive proportion is than Biochemical method Ratio greatly differs from each other, and certain difficulty is brought to biological treatment.The ammonia-nitrogen content and COD concentration of landfill leachate are high, make ground Water hypoxia, water quality deterioration, the nutriments such as nitrogen phosphorus are the inducements for leading to water eutrophication, it is also possible to seriously affect drinking water Water source, it is however generally that, COD, BOD, BOD/COD can increase with landfill yard " age " and be reduced, and level of alkalinity then increases.This Outside, as the increase for stacking the time limit, new refuse gradually become aging rubbish, Organic Pollutants of Landfill Leachate content is declined, but Ammonia-nitrogen content increases, and biodegradability reduces, therefore processing difficulty is very big.
It is all by pre-processing and then by biochemical treatment or film process, to reach currently, being directed to landfill leachate To discharge standard, but due to the complicated component of refuse leachate, in the prior art in the way of simple multistage filtering, land occupation Greatly, management requires high, operating cost height, pretreating effect poor, influences subsequent advanced treating.
Utility model content
To solve the above problems, the utility model provides one kind, processing cost is low, takes up little area, facilitates management operating, is pre- High treating effect.
The technical solution adopted in the utility model is: a kind of city garbage percolate pretreatment system, including carrys out liquid pool, adjusts Save pond, reaction tank, vertical sedimentation tank, intermediate pool, sludge concentration tank, secondary settling tank, filtering ponds and clear water reserviors, it is described come liquid pool outlet Place be equipped with fine fack, it is described come liquid pool interconnected with conditioning tank by stoste delivery pump, the outlet of the reaction tank with erect flow Sedimentation basin connection, the outlet of the vertical sedimentation tank is connected to intermediate pool, it is described come liquid pool, vertical sedimentation tank, intermediate pool, two sink Pond, filtering bottom of pond portion are pumped by slurries and are connected to sludge concentration tank, and the sludge condensation bottom of pond portion is equipped with the sludge with switch Outlet, the filtering ponds overflow port are connected to clear water reserviors, and the clear water reserviors are equipped with valvular outlet conduit.
Further improvement to above-mentioned technical proposal is that the conditioning tank setting is coming inside liquid pool, and the conditioning tank is set There is pH detection analysis instrument.
Further improvement to above-mentioned technical proposal is that the reaction tank is arranged inside conditioning tank, the reaction tank packet Include the coagulation reaction tank interconnected and flocculation tank.
Further improvement to above-mentioned technical proposal is, the conditioning tank, reaction tank be respectively equipped with delivering medicament device and Mechanical stirring device.
Further improvement to above-mentioned technical proposal is, it is described come liquid pool, sedimentation basin, intermediate pool, sludge concentration tank, two heavy What pond, filtering bottom of pond portion were equipped with that switch arranged at bucket type bottom holds device of sludge.
Further improvement to above-mentioned technical proposal is, it is described come liquid pool, vertical sedimentation tank, intermediate pool, sludge concentration tank, Secondary settling tank, filtering ponds pond body be arranged to circle, bottom setting is tapered.
The beneficial effects of the utility model are as follows:
1, city garbage percolate pretreatment system described in the utility model comes liquid pool exit equipped with fine fack, can be with Primary filtration falls those biggish solid matters, reduces solid amount of solid, facilitates the implementation of later step, come liquid pool and conditioning tank It is interconnected by stoste delivery pump, it is possible to reduce pipe laying accelerates stoste transfer efficiency, and the outlet of reaction tank and perpendicular stream are heavy The connection of shallow lake pond, convenient for management, the outlet of vertical sedimentation tank is connected to intermediate pool, and supernatant can directly overflow to intermediate pool, no Only save power-equipment, space occupied, and reduce corresponding control system, it is described come liquid pool, vertical sedimentation tank, centre Pond, secondary settling tank, filtering bottom of pond portion are pumped by slurries be connected to sludge concentration tank respectively, can be conveyed by a delivery pump, no Power-equipment, space occupied are only saved, and reduces corresponding control system, it is convenient for management.
2, conditioning tank be arranged inside stoste pool, space can be saved, occupied area is small, operate and manage it is more convenient, Conditioning tank is equipped with pH detection analysis instrument, the variation of pH can be monitored with real-time perfoming, delivering medicament, not will cause medicament as required Waste, subsequent processing will not be influenced because of the range that pH is not reached requirement, reduce treatment effect.
3, reaction tank be arranged inside conditioning tank, space can be saved, occupied area is small, operate and manage it is more convenient, The coagulation reaction tank and flocculation tank that setting interconnects in reaction tank first pass through coagulation reactor neutralization, then flocculate Process, treatment effeciency is high, and treatment effect is preferable.
4, reaction tank is equipped with delivering medicament device and agitating device, and administration device is arranged, increases operational convenience, It can successively add as required, addition is convenient, and flexible operation, the setting of agitating device can allow medicament quickly and rubbish Penetrating fluid combines, and effectively promotes reaction rate and reaction effect.
5, come liquid pool, sedimentation basin, intermediate pool, sludge concentration tank, secondary settling tank, filtering bottom of pond portion to be equipped with and hold device of sludge, Sludge in treatment process can be got up from bottom collection, allow sludge is deposited without dead angle, holds device of sludge bottom and sets It is equipped with switch, facilitates spoil disposal and cleaning.
6, come liquid pool, sedimentation basin, intermediate pool, sludge concentration tank, secondary settling tank, filtering bottom of pond portion pond body and be arranged to circle, side Just clear up the sludgd deposition in treatment process, bottom setting is tapered, and deposition effect is good, be easy to collect supernatant, blowdown mud and It manages more convenient.
Detailed description of the invention
Fig. 1 is the processing system flow diagram of the utility model,
Fig. 2 is the utility model overall structure diagram,
Description of symbols: 1. come liquid pool, 2. conditioning tanks, 3. reaction tanks, 31. coagulation reaction tanks, 32. flocculation tanks, 4. vertical sedimentation tank, 5. intermediate pools, 6. sludge concentration tanks, 7. secondary settling tanks, 8. filtering ponds, 9. clear water reserviors.
Specific embodiment
The utility model is further described below in conjunction with attached drawing.
As shown in FIG. 1 to FIG. 2, the respectively processing system flow diagram and overall structure diagram of the utility model.
A kind of rubbish leachate pretreatment system, including kind of city garbage percolate pretreatment system, including carry out liquid pool 1, adjust Pond 2, reaction tank 3, vertical sedimentation tank 4, intermediate pool 5, sludge concentration tank 6, secondary settling tank 7, filtering ponds 8 and clear water reserviors 9 are saved, it is described next 1 exit of liquid pool be equipped with fine fack, it is described come liquid pool 1 interconnected with conditioning tank 2 by stoste delivery pump, the reaction tank 3 Outlet be connected to vertical sedimentation tank 4, the outlet of the vertical sedimentation tank 4 is connected to intermediate pool 5, it is described come liquid pool 1, perpendicular stream it is heavy Shallow lake pond 4,5 bottom of intermediate pool are pumped by slurries be connected to sludge concentration tank 6 respectively, and 6 bottom of sludge concentration tank passes through sludge Delivery pump is connected to secondary settling tank 7, and the secondary settling tank 7 is connected to by delivery pump with filtering ponds 8, the filtering ponds overflow port and clear water Pond 9 is connected to.
The setting of conditioning tank 2 is coming inside liquid pool 1, can save space, and occupied area is small, operation and management side Just, the conditioning tank 2 is equipped with pH detection analysis instrument, the variation of pH can be monitored with real-time perfoming, as required delivering medicament, will not The waste of medicament is caused, subsequent processing will not be influenced because of the range that pH is not reached requirement, reduce treatment effect.
The reaction tank 3 is arranged inside conditioning tank 2, can save space, and occupied area is small, operation and management side Just, the reaction tank includes the coagulation reaction tank 31 interconnected and flocculation tank 32, and setting interconnects in reaction tank Coagulation reaction tank and flocculation tank first pass through coagulation reactor neutralization, then carry out flocculation process, and treatment effeciency is high, processing effect Fruit is preferable.
The reaction tank 3 is equipped with delivering medicament device and agitating device, and administration device is arranged, increases operational convenience Property, it can successively add as required, addition is convenient, and flexible operation, the setting of agitating device can allow medicament quickly and rubbish Rubbish penetrating fluid combines, and effectively promotes reaction rate and reaction effect.
It is described come liquid pool 1, vertical sedimentation tank 4, intermediate pool, sludge concentration tank 6, secondary settling tank 7,8 bottom of filtering ponds be equipped with contain Device of sludge is put, the sludge in treatment process can be got up from bottom collection, allow sludge is deposited without dead angle, facilitates spoil disposal And cleaning.
The working principle of the utility model are as follows:
It is temporary that landfill leachate initially enters arrival liquid pool 1, carrys out liquid pool setting and hold device of sludge to facilitate spoil disposal and pond Cleaning, then landfill leachate is delivered to conditioning tank 2 by connection stoste pool 1 and the stoste delivery pump of conditioning tank 2, is adjusted to After coagulation is than convenient pH, into coagulation reaction tank 31, medicament addition device coagulation reaction tank 31 is added in medicament by overflow, mixed Mechanical stirring device is equipped in solidifying reaction tank 31, mechanical stirring accelerates reaction, carries out reaction evenly and rapidly, landfill leachate Flocculation basin 32 is overflowed to by overflow port after sufficiently reacting in coagulation reaction tank 31 with medicament, is stirred in flocculation basin 32 equipped with machinery Device is mixed, mechanical stirring accelerates reaction, carries out reaction evenly and rapidly, landfill leachate and medicament are in flocculation tank 32 Vertical sedimentation tank 4 is sufficiently overflowed to by overflow port after reaction, carries out precipitation and separation, removes the substance of easy fouling in water removal, supernatant By the overflow port overflow on 4 top of sedimentation basin to intermediate pool 5, the bucket for holding sludge is arranged in intermediate pool 5, prevents reaction early period, sinks Form sediment it is insufficient have sludgd deposition here, setting sludge bucket facilitates the cleaning in spoil disposal and pond, intermediate pool 5 is will be after precipitation process Landfill leachate further precipitates, and then supernatant overflows to clear water reserviors 9 by the overflow port on intermediate pool 5, carrys out liquid pool 1, erects Sedimentation tank 4, intermediate pool 5, secondary settling tank 7, filtering ponds 8 the sludge of sludge bucket sludge concentration tank 6 is delivered to by slurries pump It is concentrated, the sludge after concentration does landfill disposal, and post-depositional supernatant flows into filtering ponds 8 through overflow port and is filtered place Reason, the supernatant overflow after filtration treatment into clear water reserviors 9, clear water reserviors 9 processed as pretreatment system after clear liquid scratch pool, It can carry out next processing.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (6)

1. a kind of city garbage percolate pretreatment system, it is characterised in that: heavy including coming liquid pool, conditioning tank, reaction tank, perpendicular stream Shallow lake pond, intermediate pool, sludge concentration tank, secondary settling tank, filtering ponds and clear water reserviors, it is described come liquid pool exit be equipped with fine fack, it is described Carry out liquid pool and interconnected with conditioning tank by stoste delivery pump, the outlet of the reaction tank is connected to vertical sedimentation tank, described perpendicular The outlet of sedimentation tank is connected to intermediate pool, it is described come liquid pool, vertical sedimentation tank, intermediate pool, secondary settling tank, filtering bottom of pond portion pass through Slurries pump is connected to sludge concentration tank, and the sludge condensation bottom of pond portion is equipped with the sludge outlet with switch, the filtering ponds Overflow port is connected to clear water reserviors, and the clear water reserviors are equipped with valvular outlet conduit.
2. a kind of city garbage percolate pretreatment system according to claim 1, it is characterised in that: the conditioning tank is set It sets and is coming inside liquid pool, the conditioning tank is equipped with pH detection analysis instrument.
3. a kind of city garbage percolate pretreatment system according to claim 1, it is characterised in that: the reaction tank is set It sets inside conditioning tank, the reaction tank includes the coagulation reaction tank interconnected and flocculation tank.
4. a kind of city garbage percolate pretreatment system according to claim 1, it is characterised in that: the conditioning tank, Reaction tank is respectively equipped with delivering medicament device and mechanical stirring device.
5. a kind of city garbage percolate pretreatment system according to claim 1, it is characterised in that: it is described come liquid pool, What sedimentation basin, intermediate pool, sludge concentration tank, secondary settling tank, filtering bottom of pond portion were equipped with that switch arranged at bucket type bottom holds device of sludge.
6. a kind of city garbage percolate pretreatment system according to claim 1, it is characterised in that: it is described come liquid pool, Vertical sedimentation tank, intermediate pool, sludge concentration tank, secondary settling tank, filtering ponds pond body be arranged to circle, bottom setting is tapered.
CN201821264636.7U 2018-08-07 2018-08-07 A kind of city garbage percolate pretreatment system Active CN209081580U (en)

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CN201821264636.7U CN209081580U (en) 2018-08-07 2018-08-07 A kind of city garbage percolate pretreatment system

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110683722A (en) * 2019-11-29 2020-01-14 湖南安福环保科技股份有限公司 Waste water purification treatment device and treatment process for plastic granulation
CN111822478A (en) * 2020-07-08 2020-10-27 中国海洋大学 Landfill gas horizontal cross well gas collection and reverse seepage filtrate discharge system and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110683722A (en) * 2019-11-29 2020-01-14 湖南安福环保科技股份有限公司 Waste water purification treatment device and treatment process for plastic granulation
CN110683722B (en) * 2019-11-29 2021-09-21 湖南安福环保科技股份有限公司 Waste water purification treatment device and treatment process for plastic granulation
CN111822478A (en) * 2020-07-08 2020-10-27 中国海洋大学 Landfill gas horizontal cross well gas collection and reverse seepage filtrate discharge system and method

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Effective date of registration: 20201119

Address after: Room 108, first floor, office building, Zhangcun water purification Co., Ltd., Dongcheng Street, Dongguan City, Guangdong Province 523000

Patentee after: Dongguan Zhongyuan Environmental Investment Co., Ltd

Address before: 523000 Guangdong Dongguan City, Dongguan city of Songshan high and New Technology Industrial Development Zone, No. ten road 5 international financial IT R & D center, No. 10 R & D building, Room 301

Patentee before: DONGGUAN ZHIHUI WATER TECHNOLOGY Co.,Ltd.