CN104176889A - Box type emergency treatment device for landfill leachate - Google Patents
Box type emergency treatment device for landfill leachate Download PDFInfo
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- CN104176889A CN104176889A CN201410469842.1A CN201410469842A CN104176889A CN 104176889 A CN104176889 A CN 104176889A CN 201410469842 A CN201410469842 A CN 201410469842A CN 104176889 A CN104176889 A CN 104176889A
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Abstract
The invention creatively provides a box type emergency treatment device for landfill leachate. The box type emergency treatment device for landfill leachate is characterized by comprising an upper chemical adding tank storage area, a middle water treatment area and a lower sludge discharging area, wherein a first chemical adding system, a second chemical adding system and a third chemical adding system of the upper chemical adding tank storage area are respectively connected with a reaction tank, a PH regulating tank and a coagulating tank of the middle water treatment area in sequence by virtue of pipelines; an air compressor of the upper chemical adding tank storage area is connected with an aerating device at the bottom of a contact oxidization tank of the middle water treatment area by virtue of a pipeline; the bottoms of a first precipitation tank, a hydrolysis acidification tank, a contact oxidization tank and a second precipitation tank are respectively connected with a sludge pump by virtue of a pipeline. The box type emergency treatment device for landfill leachate has the advantages that standard discharge can be achieved by creatively aiming at the water quality characteristics of the landfill leachate; the technical process takes water level overflowing as the main process; the power consumption is relatively low; due to the adoption of a box type structure, the box type emergency treatment device for landfill leachate can flexibly move along with a delivery truck, and is especially suitable for emergency treatment of the landfill leachate.
Description
Technical field
The invention belongs to refuse treatment field, especially relates to a kind of box-type percolate emergency treatment device.
Background technology
At present, China's refuse treatment mainly adopts the method for sanitary landfill.In garbage loading embeading process, due to the effect that compacting, rainfall and microorganism are decomposed, can from waste layer, ooze out a certain amount of high concentrated organic wastewater, these rubbish become percolate.Principal pollutant in percolate are organism, ammonia nitrogen, heavy metal ion etc.In percolate, conventionally contain toxic compounds and pathogenic agent, the trees of being stained with by percolate, vegetation at short notice can be dead rapidly, and almost not even a blade of grass grows for the soil being corroded by percolate.Once percolate permeates the ground, will cause severe contamination to underground water.Not only can not drink by the underground water of Landfill Leachate Pollution, and to causing dermatosis after skin contact.The pollution that percolate produces underground water, soil and the ecosystem and to affect survival timeliness long, under the effect of natural environments such as heavy rain or landslide, refuse landfill may a large amount of percolates of paroxysmal generation, if these percolates can not be effectively addressed in time, will produce serious threat to surrounding environment.Therefore, properly and in time process the problem that sudden percolate leaks, to protection local environment, can produce extremely important meaning.
Summary of the invention
For addressing the above problem, the purpose of design of the invention is to provide a kind of box-type percolate emergency treatment device.
For solving the problems of the technologies described above, the technical scheme that the invention adopts is: box-type percolate emergency treatment device, comprises upper strata grug feeding jar storage area, intermediate water treatment zone and lower floor's mud discharging district;
Described upper strata grug feeding jar storage area comprises, the first medicine system, the second medicine system, air compressor and the 3rd medicine system, described the first medicine system, the second medicine system, air compressor and the 3rd medicine system are arranged in upper strata grug feeding jar storage area in turn;
Described intermediate water treatment zone comprises, water-in, equalizing tank, reaction tank, the first settling tank, PH equalizing tank, hydrolysis acidification pool, contact-oxidation pool, coagulation basin, the second settling tank and water outlet, described equalizing tank sidewall is provided with diving mixer, and described equalizing tank bottom is provided with submersible pump, and described contact-oxidation pool bottom is provided with aerating apparatus, described water-in is connected with equalizing tank one end, submersible pump in described equalizing tank is connected with reaction tank one end by pipeline, the described reaction tank the other end is connected with first settling tank one end, the described first settling tank the other end is connected with PH equalizing tank one end, the described PH equalizing tank the other end is connected by pipeline with hydrolysis acidification pool one end, the described hydrolysis acidification pool the other end is connected by pipeline with contact-oxidation pool one end, the described contact-oxidation pool the other end is connected with coagulation basin one end, the described coagulation basin the other end is connected with second settling tank one end, the described second settling tank the other end is connected with water outlet,
Described lower floor's mud discharging district comprises, sludge pump and sludge outlet, and described sludge pump is connected by pipeline with sludge outlet;
The first medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the reaction tank of intermediate water treatment zone, the second medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the PH equalizing tank of intermediate water treatment zone, and the 3rd medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the coagulation basin of intermediate water treatment zone; The air compressor of described upper strata grug feeding jar storage area is connected by pipeline with the aerating apparatus of intermediate water treatment zone contact-oxidation pool bottom; The first settling tank of described intermediate water treatment zone, hydrolysis acidification pool, contact-oxidation pool and the second settling tank bottom are connected with the sludge pump in lower floor's mud discharging district by pipeline respectively.
Preferably, in the grug feeding jar storage area of upper strata, described the first medicine system is calcium oxide medicine system, and described the second medicine system is sour medicine system, and described the 3rd medicine system is PAC/PAM medicine system.
Preferably, described PH equalizing tank is connected by pipeline with the bottom of hydrolysis acidification pool; Described hydrolysis acidification pool is connected by pipeline with the bottom of contact-oxidation pool.
Preferably, between described air compressor and aerating apparatus, add reducing valve.
Advantage and positively effect that the invention has are: first the invention is for percolate water quality characteristics, take acidication and catalytic oxidation to realize qualified discharge as main implementing measure; Secondly, the invention be take water level overflow as main aspect technical process, and power consumption is lower; Finally, adopt box typed structure, can move flexibly with automobile carrier, be particularly useful for the emergency processing of percolate.
Accompanying drawing explanation
Fig. 1 is the invention structural representation;
In figure: 1-the first medicine system, 2-the second medicine system, 3-blower fan, 4-the 3rd medicine system, 5-reaction tank, 6-PH equalizing tank, 7-hydrolysis acidification pool, 8-contact-oxidation pool, 9-coagulation basin, 10-the second settling tank, 11-water-in, 12-water outlet, 13-equalizing tank, 14-diving mixer, 15-submersible pump, 16-the first settling tank, 17-aerating apparatus, 18-sludge outlet, 19-sludge pump.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the invention is elaborated.
Box-type percolate emergency treatment device, comprises upper strata grug feeding jar storage area, intermediate water treatment zone and lower floor's mud discharging district;
Described upper strata grug feeding jar storage area comprises, the first medicine system 1, the second medicine system 2, air compressor 3 and the 3rd medicine system 4, described the first medicine system 1, the second medicine system 2, air compressor 3 and the 3rd medicine system 4 are arranged in upper strata grug feeding jar storage area in turn;
Described intermediate water treatment zone comprises, water-in 11, equalizing tank 13, reaction tank 5, the first settling tank 16, PH equalizing tank 6, hydrolysis acidification pool 7, contact-oxidation pool 8, coagulation basin 9, the second settling tank 10 and water outlet 12, described equalizing tank 13 sidewalls are provided with diving mixer 14, and described equalizing tank 13 bottoms are provided with submersible pump 15, and described contact-oxidation pool 8 bottoms are provided with aerating apparatus 17, described water-in 11 is connected with equalizing tank 13 one end, submersible pump 15 in described equalizing tank 13 is connected with reaction tank 5 one end by pipeline, described reaction tank 5 the other ends are connected with first settling tank 16 one end, described first settling tank 16 the other ends are connected with PH equalizing tank 6 one end, described PH equalizing tank 6 the other ends are connected by pipeline with hydrolysis acidification pool 7 one end, described hydrolysis acidification pool 7 the other ends are connected by pipeline with contact-oxidation pool 8 one end, described contact-oxidation pool 8 the other ends are connected with coagulation basin 9 one end, described coagulation basin 9 the other ends are connected with second settling tank 10 one end, described second settling tank 10 the other ends are connected with water outlet 12,
Described lower floor's mud discharging district comprises, sludge pump 19 and sludge outlet 18, and described sludge pump 19 is connected by pipeline with sludge outlet 18;
The first medicine system 1 of described upper strata grug feeding jar storage area is connected by pipeline with the reaction tank 5 of intermediate water treatment zone, the second medicine system 2 of described upper strata grug feeding jar storage area is connected by pipeline with the PH equalizing tank 6 of intermediate water treatment zone, and the 3rd medicine system 4 of described upper strata grug feeding jar storage area is connected by pipeline with the coagulation basin 9 of intermediate water treatment zone; The air compressor 3 of described upper strata grug feeding jar storage area is connected by pipeline with the aerating apparatus 17 of contact-oxidation pool 8 bottoms, intermediate water treatment zone; The first settling tank 16 of described intermediate water treatment zone, hydrolysis acidification pool 7, contact-oxidation pool 8 and the second settling tank 10 bottoms are connected with the sludge pump 19 in lower floor's mud discharging district by pipeline respectively.
In the grug feeding jar storage area of upper strata, described the first medicine system 1 is calcium oxide medicine system, and described the second medicine system 2 is sour medicine system, and described the 3rd medicine system 4 is PAC/PAM medicine system.
Described PH equalizing tank 6 is connected by pipeline with the bottom of hydrolysis acidification pool 7; Described hydrolysis acidification pool 7 is connected by pipeline with the bottom of contact-oxidation pool 8.
17 of described air compressor 3 and aerating apparatuss add reducing valve.
In actual use, first percolate enters equalizing tank 13 by water-in 11, after diving mixer 14 homogenizations, by submersible pump 15, pump into reaction tank 5, to the first medicine system 1, add calcium oxide simultaneously, again the first medicine system 1 is passed into reaction tank 5, in reaction tank 5, add milk of lime to remove the sulfate radical in sewage again, after reaction, sewage overflow enters the first settling tank 16, after settling tank completes precipitation process, sewage overflow enters PH equalizing tank 6, to the second medicine system 2, add acid simultaneously, again the second medicine system 2 is passed into PH equalizing tank 6, regulate sewage PH to neutrality, sewage enters hydrolysis acidification pool 7 and carries out anaerobion decomposition from bottom, after completing acidication, sewage enters contact-oxidation pool 8 from bottom, under the effect of aerating apparatus 17, sewage completes aerobic oxidation degraded, sewage overflow enters coagulation basin 9 afterwards, to the 3rd medicine system 4, add PAC/PAM simultaneously, the 3rd medicine system 4 is being passed into the second settling tank 10, complete the rear qualified discharge of precipitation, last the first settling tank 16, hydrolysis acidification pool 7, contact-oxidation pool 8 is connected with the sludge pump 19 in lower floor's mud discharging district by pipeline respectively with the second settling tank 10 bottoms, refuse is discharged to system.
The first embodiment:
CODCr content in percolate is 2000 mg/L, and BOD5 content is 400 mg/L.The residence time in equalizing tank 13 is within six hours, to guarantee the homogenizing of waste water.Water in equalizing tank 13 enters the first settling tank 16 after mixing in reaction tank 5 with lime slurry, and the pH on-line monitoring reading of lime slurry chemical feeding quantity in the first settling tank 16 regulates, and keeps the pH value of the first settling tank 16 to be controlled between 8～9.Lime reacts with sulfate radical in water and generates calcium sulfate precipitation, in the residence time of the first settling tank 16, is set as 40 minutes to guarantee the removal of precipitation.After vertical-flow the first settling tank 16, water outlet enters hydrolysis acidification pool 7 by pH regulator pond 6 acid adding hybrid modes, and the water inlet pH that maintains hydrolysis acidification pool 7 is 7 left and right.In hydrolysis acidification pool 7, hardly degraded organic substance is broken down into small-molecule substance, and this process residence time is 16 hours.Hydrolysis acidification pool 7 water outlets enter contact-oxidation pool 8, and organism is degraded by microorganisms under aeration aerobic condition, and this process residence time is set as ten hours.Contact-oxidation pool 8 water outlets enter the second settling tank 10 after mixing with flocculation agent and coagulant aids in coagulation basin 9, the microbial film precipitation that is difficult for the suspended substance of precipitation in water and comes off under the effect of flocculation agent is removed, this pond residence time is set as 192 minutes, and final outflow water CODCr is 46mg/L.
Above embodiment, first the invention is for percolate water quality characteristics, take acidication and catalytic oxidation to realize qualified discharge as main implementing measure; Secondly, the invention be take water level overflow as main aspect technical process, and power consumption is lower; Finally, adopt box typed structure, can move flexibly with automobile carrier, be particularly useful for the emergency processing of percolate.
Above the invention embodiment is had been described in detail, but described content is only the preferred embodiment of the invention, can not be considered to for limiting the practical range of the invention.All equalization variations of doing according to the invention application range and improvement etc., within all should still belonging to the patent covering scope of the invention.
Claims (4)
1. box-type percolate emergency treatment device, is characterized in that: comprise upper strata grug feeding jar storage area, intermediate water treatment zone and lower floor's mud discharging district;
Described upper strata grug feeding jar storage area comprises, the first medicine system, the second medicine system, air compressor and the 3rd medicine system, described the first medicine system, the second medicine system, air compressor and the 3rd medicine system are arranged in upper strata grug feeding jar storage area in turn;
Described intermediate water treatment zone comprises, water-in, equalizing tank, reaction tank, the first settling tank, PH equalizing tank, hydrolysis acidification pool, contact-oxidation pool, coagulation basin, the second settling tank and water outlet, described equalizing tank sidewall is provided with diving mixer, and described equalizing tank bottom is provided with submersible pump, and described contact-oxidation pool bottom is provided with aerating apparatus, described water-in is connected with equalizing tank one end, submersible pump in described equalizing tank is connected with reaction tank one end by pipeline, the described reaction tank the other end is connected with first settling tank one end, the described first settling tank the other end is connected with PH equalizing tank one end, the described PH equalizing tank the other end is connected by pipeline with hydrolysis acidification pool one end, the described hydrolysis acidification pool the other end is connected by pipeline with contact-oxidation pool one end, the described contact-oxidation pool the other end is connected with coagulation basin one end, the described coagulation basin the other end is connected with second settling tank one end, the described second settling tank the other end is connected with water outlet,
Described lower floor's mud discharging district comprises, sludge pump and sludge outlet, and described sludge pump is connected by pipeline with sludge outlet;
The first medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the reaction tank of intermediate water treatment zone, the second medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the PH equalizing tank of intermediate water treatment zone, and the 3rd medicine system of described upper strata grug feeding jar storage area is connected by pipeline with the coagulation basin of intermediate water treatment zone; The air compressor of described upper strata grug feeding jar storage area is connected by pipeline with the aerating apparatus of intermediate water treatment zone contact-oxidation pool bottom; The first settling tank of described intermediate water treatment zone, hydrolysis acidification pool, contact-oxidation pool and the second settling tank bottom are connected with the sludge pump in lower floor's mud discharging district by pipeline respectively.
2. box-type percolate emergency treatment device according to claim 1, it is characterized in that: in the grug feeding jar storage area of upper strata, described the first medicine system is calcium oxide medicine system, described the second medicine system is sour medicine system, and described the 3rd medicine system is PAC/PAM medicine system.
3. box-type percolate emergency treatment device according to claim 1, is characterized in that: described PH equalizing tank is connected by pipeline with the bottom of hydrolysis acidification pool; Described hydrolysis acidification pool is connected by pipeline with the bottom of contact-oxidation pool.
4. box-type percolate emergency treatment device according to claim 1, is characterized in that: between described air compressor and aerating apparatus, add reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469842.1A CN104176889A (en) | 2014-09-15 | 2014-09-15 | Box type emergency treatment device for landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410469842.1A CN104176889A (en) | 2014-09-15 | 2014-09-15 | Box type emergency treatment device for landfill leachate |
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| CN104176889A true CN104176889A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410469842.1A Pending CN104176889A (en) | 2014-09-15 | 2014-09-15 | Box type emergency treatment device for landfill leachate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255763A (en) * | 2019-06-20 | 2019-09-20 | 湖北中地星河环保科技有限公司 | A kind of leachate integrated processing unit and method |
| CN112939339A (en) * | 2021-01-27 | 2021-06-11 | 广州博亚涛生态科技有限公司 | Landfill leachate treatment system and application method thereof |
-
2014
- 2014-09-15 CN CN201410469842.1A patent/CN104176889A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255763A (en) * | 2019-06-20 | 2019-09-20 | 湖北中地星河环保科技有限公司 | A kind of leachate integrated processing unit and method |
| CN112939339A (en) * | 2021-01-27 | 2021-06-11 | 广州博亚涛生态科技有限公司 | Landfill leachate treatment system and application method thereof |
| CN112939339B (en) * | 2021-01-27 | 2021-11-02 | 广州博亚涛生态科技有限公司 | Landfill leachate treatment system and application method thereof |
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Application publication date: 20141203 |
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| WD01 | Invention patent application deemed withdrawn after publication |