CN202158567U - Percolate return-spraying system - Google Patents
Percolate return-spraying system Download PDFInfo
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- CN202158567U CN202158567U CN2011202212321U CN201120221232U CN202158567U CN 202158567 U CN202158567 U CN 202158567U CN 2011202212321 U CN2011202212321 U CN 2011202212321U CN 201120221232 U CN201120221232 U CN 201120221232U CN 202158567 U CN202158567 U CN 202158567U
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Abstract
The utility model discloses a percolate return-spraying system, which comprises a percolate regulating tank. A group of percolate filter pumps are arranged between the percolate regulating tank and a group of automatic filters, percolate is sent into the automatic filters and then connected into a clean percolate tank, and a percolate spraying device is connected with the clean percolate tank. The return-spraying quantity of the system changes synchronously with an output quantity. Fermentation time of rubbish in summer is short, heat value is high, the temperature at an outlet of a burning furnace cavity is high, the return-spraying quantity of the percolate is greatly increased, and the effect to production of waste power plants in a peak season of the percolate is reduced. After the return-spraying of the percolate, the city environment is beautified easily, and more household rubbish treatment of the waste power plants is facilitated. Resources can be recycled, and stress on treatment quantity of sewage treatment plants and sewage treatment cost are reduced.
Description
Technical field
The utility model is an a kind of leachate recycle system.
Background technology
Percolate is meant rubbish in the process of landfill and stacking, because the organic matter in the rubbish decomposes water and free water, precipitation, the underground water that infiltrates that produces and passes through the sewage that eluviation forms.
Percolate is a kind of high concentrated organic wastewater of complicated component, and its character depends on the particle diameter, compaction of component of refuse, rubbish, on-the-spot factors such as weather, hydrologic condition and landfill time, and in general following characteristics are arranged:
1) water quality is complicated, and harmfulness is big.Mainly contain 63 kinds of organic pollutants in the percolate, confidence level is at have 34 kinds more than 60%.Wherein, 6 kinds in alkane alkene, 19 kinds of carboxylic acids, 5 kinds of ester classes, 10 kinds of alcohol, phenols, 10 kinds of aldehyde, ketones, 7 kinds of amide-types, a kind of aromatic hydrocarbons, other 5 kinds.Wherein be confirmed to be a kind of carcinogenic substance, 4 kinds of short cancer thing, epicarcinogens, a kind of mutagen is put into have 6 kinds of China's environment priority pollutant " blacklist ".
2) CODcr and BOD5 concentration are high.CODcr and BOD5 best result Bie Keda 90000 mg/L, 38000mg/L in the percolate.
3) ammonia-nitrogen content is high, and raises with the prolongation of stacking and fermentation time, reaches as high as 1700mg/L.Nitrogen in the percolate is many to be existed with the ammonia nitrogen form, accounts for TNK40%-50%.
4) tenor is higher.Contain more than ten kind of metal ion in the percolate, wherein iron and zinc are higher in the acid fermentation stage, and the concentration of iron can reach about 2000mg/L; Zinc concentration can reach about 130mg/L, and plumbous concentration can reach 12.3mg/L, the concentration of calcium even reach 4300mg/L.
The main path of at present percolate being handled has the following aspects: (1) percolate is transported to the municipal sewage plant and city domestic sewage merges processing; Utilize in the process that the method handles percolate,, cause impact load easily, even destroy the normal operation of municipal wastewater treatment plant municipal wastewater treatment plant if control badly.(2) adopt the leachate recirculation technical finesse.In the process that employing the method is handled, the volatilization that main outstanding influence is a foul gas in the process of recharging increases, and the while gas production also can increase accordingly, causes safety problem easily.
The method that percolate is handled is at present mainly handled by waste water processing station at garbage power plant, and the supporting percolate station treating capacity of garbage power plant is certain, and the generation of percolate receives habits and customs; The variable effect of environment temperature, quantum of output differs widely, summer high temperature rainy season; The diafiltration liquid measure obviously increases; And the treating stations disposal ability will receive serious test, and compelled reduction of garbage power plant goes into factory's amount when serious, and influence is produced.
The utility model content
The utility model purpose: the purpose of the utility model is a kind of leachate recycle of proposition system, increases the percolate treating capacity, increases economic efficiency and environmental benefit.
Technical scheme: for solving the problems of the technologies described above; The leachate recycle system that the utility model proposes; Comprise a leachate equalization basin; One group of percolate filter pump is located between leachate equalization basin and the one group of automatic fitration apparatus, is connected into a percolate clean solution tank after percolate is sent into the automatic fitration apparatus, and the percolate injection apparatus is connected with this percolate clean solution tank; Described percolate injection apparatus comprises percolate jet pump and percolate ejecting gun, and the percolate jet pump is delivered to the percolate ejecting gun with percolate in the percolate clean solution tank.
Beneficial effect: how much just in time changing synchronously with quantum of output of discharge rate returns in the leachate recycle system of the proposition of the utility model.The rubbish fermentation time in summer is short, and calorific value is high, burns burner hearth outlet temperature height, and this moment, the leachate recycle amount can increase considerably, and has slowed down the influence that the percolate peak season is produced garbage power plant;
Not only easy to doly behind the leachate recycle beautified urban environment, and be more conducive to garbage power plant and more handle house refuse, resource regeneration has alleviated the pressure and the cost of sewage disposal of the treating capacity of sewage treatment plant, for common people better handle concrete affairs in a down-to-earth manner.
Description of drawings
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done explanation further.
Percolate in the leachate equalization basin 1 will be sent into two automatic fitration apparatuses 4 through two percolate filter pumps 3.These two percolate filter pumps 3 will be avoided the idle running situation through the liquid-level switch in the leachate equalization basin 1.Pressure opening and closing valve is used for controlling the percolate fluid pressure that gets into automatic fitration apparatus 4.
Oozing the drop liquid jetting device is made up of percolate jet pump 5 and 4 percolate ejecting guns 6 of two VFC.Percolate jet pump 5 is extracted the percolate of percolate clean solution tank 2 out, can get into the percolate ejecting gun 6 of corresponding burning line through pneumatic on-off valve.Be equipped with the manual dual filter stream that traces back and eliminate the foul of wriggling percolate jet pump 5 and percolate ejecting gun 6.
Pressure switch is set to avoid the hypertonia at percolate ejecting gun 6 places.
The percolate flow of spurting into the burner hearth both sides is with monitored.Magnetic valve is used for controlling to the percolate flow of each percolate ejecting gun 6.
Cooperate compressed air can obtain high-quality atomizing percolate through high efficiency atomizer.Pressure-regulating valve can be used to guarantee percolate ejecting gun 6 place's proper compression air pressures, and magnetic valve then can be used to be cut to the compressed air supply of each percolate ejecting gun 6., it is not withdrawed from from burn burner hearth percolate ejecting gun 6 when not working through cylinder.
The percolate injection apparatus should wash by available running water.Pneumatic on-off valve is installed in the countercurrent direction of percolate jet pump 5 and controls the running water that washes whole spraying system.
Percolate jet pump 5, and two public filtration peristaltic pumps will be installed in the percolate pump house by unified.This pump house is furnished with the exhaust blower of ventilation usefulness.
When the signal of fire box temperature satisfies ' 850 ° of C of technological requirement, in the time of 2 seconds ', the percolate injection apparatus promptly can move.This signal is through drawing to the measurement of three temperature points and after calculating.The percolate injection apparatus will quit work and satisfy up to this temperature signal.The emitted dose of percolate is by the decision of the burning operating condition of reality, for garbage treatment quantity at that time 10% but the highest 2.26 m/h that are no more than.
The above only is the preferred implementation of the utility model; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (1)
1. leachate recycle system; It is characterized in that: comprise a leachate equalization basin (1); One group of percolate filter pump (3) is located between leachate equalization basin (1) and the one group of automatic fitration apparatus (4); Be connected into a percolate clean solution tank (2) after percolate sent into automatic fitration apparatus (4); The percolate injection apparatus is connected with this percolate clean solution tank (2), and described percolate injection apparatus comprises percolate jet pump (5) and percolate ejecting gun (6), and percolate jet pump (5) is delivered to percolate ejecting gun (6) with percolate in the percolate clean solution tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202212321U CN202158567U (en) | 2011-06-28 | 2011-06-28 | Percolate return-spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202212321U CN202158567U (en) | 2011-06-28 | 2011-06-28 | Percolate return-spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158567U true CN202158567U (en) | 2012-03-07 |
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ID=45766206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202212321U Expired - Lifetime CN202158567U (en) | 2011-06-28 | 2011-06-28 | Percolate return-spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501170A (en) * | 2014-11-25 | 2015-04-08 | 桑德环境资源股份有限公司 | Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter |
| CN105157044A (en) * | 2015-09-30 | 2015-12-16 | 华南理工大学 | Leachate back-spraying denitration device and method for garbage incinerator |
-
2011
- 2011-06-28 CN CN2011202212321U patent/CN202158567U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501170A (en) * | 2014-11-25 | 2015-04-08 | 桑德环境资源股份有限公司 | Method and system of increasing temperature of garbage piles in leachate sewer of garbage power plant in winter |
| CN105157044A (en) * | 2015-09-30 | 2015-12-16 | 华南理工大学 | Leachate back-spraying denitration device and method for garbage incinerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |