CN202246195U - Device for treating landfill leachate - Google Patents
Device for treating landfill leachate Download PDFInfo
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- CN202246195U CN202246195U CN201120364653XU CN201120364653U CN202246195U CN 202246195 U CN202246195 U CN 202246195U CN 201120364653X U CN201120364653X U CN 201120364653XU CN 201120364653 U CN201120364653 U CN 201120364653U CN 202246195 U CN202246195 U CN 202246195U
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Abstract
A device for treating landfill leachate relates to a landfill treatment device and is provided with a direct current pulse power supply, a plasma generator, a sewage source and an air source. The plasma generator is provided with an insulating cavity body, a positive plate, a negative plate and an insulating plate. An air inlet and a water inlet are arranged on one side of the insulating cavity body, and a water outlet and an air outlet are arranged on the other side. The positive plate is located above the insulating plate, the negative plate is inserted into a negative plate fixing slot under the insulating cavity body and located under the insulating plate, and the positive plate and the negative plate are respectively connected with a positive pole and a negative pole of the direct current pulse power supply. The insulating plate is inserted into an insulating plate fixing slot in the middle of the insulating cavity body, the air source is connected with the air inlet of the insulating cavity body, and the sewage source is connected with the water inlet of the insulating cavity body. The device for treating the landfill leachate can achieve sewage treatment in large-area flowing process, has effects including quick degradation speed, high degradation rate and the like, and is simple in structure, easy to operate and easily popularized in the landfill leachate degradation field.
Description
Technical field
The utility model relates to a kind of refuse disposal system, especially relates to a kind ofly adopting the treating refuse of atmospheric pressure plasma techniques to ooze the drop liquid device.
Background technology
Anaerobism, bioremediation such as aerobic are adopted in pre-treatment usually to the garbage leachate treating processes, and physical chemistry such as coagulating sedimentation, filtration, absorption are adopted in aftertreatment.Wherein the biological treatment process cycle longer, and ooze the COD in the drop liquid, the BOD degradation effect is not good yet.Present dielectric barrier discharge (Dielectric-Barrier Discharge; DBD) plasma body has been successfully used to aspects such as material surface modifying, seed treatment, dye wastewater processing and biomaterial sterilization; Outstanding effect in sewage treatment process; Having obtained approval, still, is difficult point to the WWT in big area, the flow process in the industry.
Chinese patent CN102183028A discloses a kind of garbage percolation liquid treating system and method.Wherein, the garbage percolation liquid treating system is connected with the circulating fluidized bed incineration system; The garbage percolation liquid treating system comprises first storage facility and flusher, and first storage facility and flusher are connected, and the nozzle of flusher is arranged at the exit region place of the separator of circulating fluidized bed incineration system.This invention utilizes the unsettled phenomenon of incinerator funnel temperature, has solved the problem that drop liquid is handled of oozing; Overcome and oozed drop liquid and go into the problem that stove burns the treatment capacity influence rubbish; And, spray in the separator through oozing drop liquid, suitable reduction the temperature of flue gas in bag-type dust equipment, avoid bag-type dust equipment too high by being burnt out because of flue-gas temperature.
Chinese patent CN201793398U discloses a kind of consumer waste incineration processing and domestic refuse is oozed drop liquid pollution-free treatment technology.Comprise sump pump, evaporator tower, flue gas steam flue, hot fume extraction blower fan, wherein the input terminus of sump pump is connected with the foul water tank that domestic refuse is oozed drop liquid, and output terminal is connected with evaporator tower through pipeline; Evaporator tower also is connected with the input terminus of flue gas steam flue and the output terminal of hot fume extraction blower fan; The output terminal of flue gas steam flue is located at incinerator secondary air entrance place; The input terminus of hot fume extraction blower fan is connected with the output terminal of flue gas of garbage furnace refining plant.The secondary pollution problem of percolate that adopted this utility model device solves to water body, stable simultaneously, not to environment produce secondary pollution, investment is little, operation is simple, start and stop are convenient rapidly, organic energy is utilized effectively in the percolate, running cost is low.
Summary of the invention
The purpose of the utility model is to provide a kind of and realizes in big area, the flow process WWT; Have effects such as the fast and degradation rate height of degradation speed; That installs is simple in structure; Processing ease is easy to popularize in garbage leachate degraded field, adopts the treating refuse of atmospheric pressure plasma techniques to ooze the drop liquid device.
The utility model is provided with direct current pulse power source, plasma generator, source of sewage and air source; Said plasma generator is provided with insulation cavity, positive plate, negative plate and insulcrete, and said insulation cavity one side is provided with inlet mouth and water-in, and said insulation cavity opposite side is provided with water outlet and air outlet; Said positive plate is positioned at the insulcrete top, and said negative plate inserts from the negative plate fixed slot of the cavity below of insulating, and negative plate is positioned at the insulcrete below, and positive plate links to each other with negative pole with the positive pole of direct current pulse power source respectively with negative plate; Said insulcrete inserts from the cavity intermediary insulcrete fixed slot that insulate, and said air source links to each other with insulation cavity inlet mouth, and said source of sewage links to each other with insulation cavity water-in.
The dutycycle of said direct current pulse power source can be 8%～25%, and power can be 100～2000W, and voltage can be 0.17～30kV, and pulse-repetition can be 100～5000kHz.
Said air source, source of sewage can be respectively under meter such as air flowmeter, sewage flowmeter through separately be connected the ratio of two kinds of under meters cooperation pilot-gas and sewage with inlet mouth, water-in.
Said insulation cavity can adopt that insulativity such as glass, pottery, corundum, quartz, tetrafluoroethylene are good, the material of stable chemical performance, and the wall thickness of said insulation cavity can be 2～10mm.
Said positive plate and negative plate are the conductivity good metal, like materials such as copper, silver, stainless steels.
Said insulcrete fixed slot is parallel with the negative plate fixed slot.
Said negative plate can be positioned at 5～10mm place, insulcrete below.
The thickness of said positive plate and negative plate can be 1～5mm.
Distance between said insulcrete and the negative plate can be 2～20mm.
The width of said insulcrete can big 1～3mm than the width of positive plate, and the length of said insulcrete can big 1～5mm than the length of positive plate.
Air and sewage get into the insulation cavity from inlet mouth and water-in respectively, and under the voltage effect of 0.17～30kV between internal and external electrode, the sewage top forms uniform and stable atmosphere plasma.In the drainage flow process, sewage is handled; When atmospherical discharges; The oxygen radical that produces, contain nitrogen free radical with the sewage mechanism in can effectively reduce BOD and the COD in the garbage leachate, processing efficiency is high, need not add any other material during air handling.Therefore, the utility model has characteristics such as efficient height, treatment time weak point with respect to can be used as a link that reduces garbage leachate BOD and COD.In addition, simple in structure, with low cost, the installation and removal convenience of the utility model.
Description of drawings
Fig. 1 is the overall structure synoptic diagram of the utility model embodiment.
Fig. 2 looks synoptic diagram for the plasma generator structural profile master among the utility model embodiment.
Fig. 3 is the vertical view of the utility model embodiment.
Fig. 4 looks synoptic diagram for the section master of the insulation cavity among the utility model embodiment.
Embodiment
Referring to Fig. 1～4, the utility model embodiment is provided with direct current pulse power source 1, plasma generator 2, air source 3 and source of sewage 4; Said plasma generator 2 is provided with insulation cavity 5, positive plate 6, negative plate 7 and insulcrete 8, and said insulation cavity 5 one sides are provided with inlet mouth 9 and water-in 10, and said insulation cavity 5 opposite sides are provided with water outlet 11 and air outlet; Said positive plate 6 is positioned at insulcrete 8 tops, and said negative plate 7 inserts from the negative plate fixed slot 13 of cavity 5 belows of insulating, and negative plate 7 is positioned at insulcrete 8 belows, and positive plate 6 links to each other with negative pole with the positive pole of direct current pulse power source 1 respectively with negative plate 7; Said insulcrete 8 inserts from the cavity 5 intermediary insulcrete fixed slot 12 that insulate, and said air source 3 links to each other with insulation cavity 5 inlet mouths 9, and said source of sewage 4 links to each other with insulation cavity 5 water-ins 10.
Said insulation cavity 5 can adopt that insulativity such as glass, pottery, corundum, quartz, tetrafluoroethylene are good, the material of stable chemical performance, and the wall thickness of said insulation cavity 5 can be 2～10mm.
Said positive plate 6 is the conductivity good metal with negative plate 7, like materials such as copper, silver, stainless steels; The thickness of said positive plate and negative plate can be 1～5mm.
Distance between said insulcrete and the negative plate can be 2～20mm; The width of said insulcrete can big 1～3mm than the width of positive plate, and the length of said insulcrete can big 1～5mm than the length of positive plate.
Said insulcrete fixed slot 12 is parallel with negative plate fixed slot 13, sees shown in Figure 3ly, makes positive plate 6 and negative plate 7 keep equidistance, can produce uniform plasma body during discharge.Direct current pulse power source 1 dutycycle is 8%～25%, and power is 100～2000W, and voltage is 0.17～30kV, pulse-repetition 100～5000kHz.Air source 3, source of sewage 4 under meter through separately such as air flowmeter, sewage flowmeter respectively are connected with inlet mouth 9, water-in 10, the ratio of two kinds of under meters cooperation pilot-gas and sewage.
When air input flow rate and the discharge of sewage one timing; Heighten the power of direct current pulse power source 1, increase, but power is when too high by plasma densitys in the insulation cavity 5; It is thus clear that a large amount of water vapour are emerged; Be unfavorable for WWT, when plasma generator 2 and horizontal plane tilted 15 degree angles, it was most effective to dispose of sewage.
Claims (9)
1. the drop liquid device is oozed in a treating refuse, it is characterized in that being provided with direct current pulse power source, plasma generator, source of sewage and air source; Said plasma generator is provided with insulation cavity, positive plate, negative plate and insulcrete, and said insulation cavity one side is provided with inlet mouth and water-in, and said insulation cavity opposite side is provided with water outlet and air outlet; Said positive plate is positioned at the insulcrete top, and said negative plate inserts from the negative plate fixed slot of the cavity below of insulating, and negative plate is positioned at the insulcrete below, and positive plate links to each other with negative pole with the positive pole of direct current pulse power source respectively with negative plate; Said insulcrete inserts from the cavity intermediary insulcrete fixed slot that insulate, and said air source links to each other with insulation cavity inlet mouth, and said source of sewage links to each other with insulation cavity water-in.
2. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, and the dutycycle that it is characterized in that said direct current pulse power source is 8%～25%, and power is 100～2000W, and voltage is 0.17～30kV, and pulse-repetition is 100～5000kHz.
3. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, it is characterized in that the under meter that said air source, source of sewage are passed through separately respectively is connected with inlet mouth, water-in.
4. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, and the wall thickness that it is characterized in that said insulation cavity is 2～10mm.
5. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, it is characterized in that said insulcrete fixed slot is parallel with the negative plate fixed slot.
6. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, it is characterized in that said negative plate is positioned at 5～10mm place, insulcrete below.
7. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, and the thickness that it is characterized in that said positive plate and negative plate is 1～5mm.
8. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, it is characterized in that the distance between said insulcrete and the negative plate is 2～20mm.
9. the drop liquid device is oozed in a kind of treating refuse as claimed in claim 1, it is characterized in that the width big 1～3mm of the width of said insulcrete than positive plate, and the length of said insulcrete is than the big 1～5mm of length of positive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120364653XU CN202246195U (en) | 2011-09-26 | 2011-09-26 | Device for treating landfill leachate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120364653XU CN202246195U (en) | 2011-09-26 | 2011-09-26 | Device for treating landfill leachate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246195U true CN202246195U (en) | 2012-05-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120364653XU Expired - Fee Related CN202246195U (en) | 2011-09-26 | 2011-09-26 | Device for treating landfill leachate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246195U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372342A (en) * | 2011-09-26 | 2012-03-14 | 厦门大学 | Device for treating rubbish leachate with atmosphere plasma |
| CN106045146A (en) * | 2016-08-01 | 2016-10-26 | 张宝 | Processing method of sewage seeped from domestic waste |
-
2011
- 2011-09-26 CN CN201120364653XU patent/CN202246195U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372342A (en) * | 2011-09-26 | 2012-03-14 | 厦门大学 | Device for treating rubbish leachate with atmosphere plasma |
| CN102372342B (en) * | 2011-09-26 | 2013-07-24 | 厦门大学 | Device for treating rubbish leachate with atmosphere plasma |
| CN106045146A (en) * | 2016-08-01 | 2016-10-26 | 张宝 | Processing method of sewage seeped from domestic waste |
| CN106045146B (en) * | 2016-08-01 | 2019-02-15 | 张宝 | A kind of processing method of house refuse exudation sewage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |