CN103990363A - Malodorous gas collecting and purifying integrated equipment and method thereof - Google Patents
Malodorous gas collecting and purifying integrated equipment and method thereof Download PDFInfo
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- CN103990363A CN103990363A CN201410228186.6A CN201410228186A CN103990363A CN 103990363 A CN103990363 A CN 103990363A CN 201410228186 A CN201410228186 A CN 201410228186A CN 103990363 A CN103990363 A CN 103990363A
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Abstract
The invention discloses a malodorous gas collecting and purifying integrated equipment and a method thereof for malodorous gas in a municipal refuse transfer station. The integrated equipment is composed of a waste gas collecting system and a waste gas purifying system, wherein a waste gas purifying treatment method comprises the following steps: (1) carrying out pre-filtration on waste gas by a filtering screen of the waste gas collecting system; (2) uniformly distributing waste gas by a flow equalizing box in the waste gas purifying system; (3) degrading a great amount of malodorous gas by a low-temperature plasma purifying module in the waste gas purifying system; (4) removing residual malodorous gas molecules and generated intermediate micromolecules from waste gas by a photo-catalytic reactor in the waste gas purifying system, and sterilizing and disinfecting; and (5) removing ozone remained in the low-temperature plasma purifying module and the photo-catalytic reactor by an ozone decomposition reactor in the waste gas purifying system to reduce secondary pollution. The integrated equipment and the method have the beneficial effects of collecting malodorous gas with high efficiency, sterilizing and disinfecting, and thoroughly treating the malodorous gas without secondary pollution.
Description
Technical field
The present invention relates to the gas with foreign flavor field of purification in environmental protection, be specifically related to a kind of foul gas for municipal refuse terminal and collect and the integrated equipment and the method thereof that purify.
Background technology
Along with, domestic reform and opening-up and socioeconomic quick fast development, urbanization population becomes more and more, and Municipal Domestic Garbage Output also can increase thereupon.Along with the raising year by year of living standard, people also have higher requirement to public hygienic environment.
Municipal refuse terminal is garbage transfer, compression, light-weighted important place, and they are often also just arranged near resident living area.Domestic waste generally contains more organic matter and a certain amount of moisture content, and in banking process, owing to drawing badly, and the effect that is subject to microorganism can produce fermentation odor, and its Main Ingredients and Appearance is H
2s and NH
3, also have in addition the organic gas such as methyl mercaptan, methylamine, methyl sulphur.In the time that amount of oxygen is enough, the organic component in rubbish, as protein, produces NH under aerobic bacteria effect
3; In the time that oxygen is not enough, anaerobic bacteria is halfway oxidation product H by organic substance decomposing
2s, NH
3-, SO
2, the compound such as thio-alcohol, amine.And these gaseous volatilizations are stronger, be easily diffused in air, wherein, portion gas is poisonous, penetrating odor is large, bring severe contamination can to ambient air environment, and work, life and physical and mental health to surrounding resident and sanitationman also can affect.Especially hot summer, stench, pungent peculiar smell near garbage collection points, terminal are more serious, and making surrounding resident is to suffer untold misery.For this reason, be necessary very much to refuse depot produce foul gas and harmful bacteria is collected and purified treatment.
The processing method of peculiar smell stink was eliminated in refuse depot in the past, mainly contained: liquid spray process, biological odor removal method, active carbon adsorption etc.Wherein, the treatment effect of liquid spray process is not also very thorough, and the material producing in processing procedure, to resident around, also has larger harm the sanitationman of terminal work especially for a long time; And that biological filter process in biological odor removal method is processed foul smell is relatively ripe, but general to processing non-water-soluble foul gas effect, and can not plug and play, be not suitable for garbage transfer station deodorizing feature and requirement.
In prior art, there is a kind of exhaust gas treatment technology of low temperature plasma, it is a kind of cross-synthesis technology that integrates physics, chemistry, biology and environmental science, it is processed waste gas core and is: by high energy or high mars free radical, harmful exhaust molecule was decomposed or is oxidized in moment, be degraded into the innocuous substance such as carbon dioxide and water.This kind of technology is simple and reliable, device plug and play, and applied widely, different foul smell molecules is had to good treatment effect, operating cost also has enough competitiveness, is one of exhaust-gas treatment mode of main flow in the world at present.Also have a kind of photocatalysis technology, there is the multi-efficiencies such as degree of depth degradable organic pollutant, sterilization, equipment is simple, safe and reliable.
Although above two kinds of technology are emerging deodorizing methods of development in recent years.But also have many weak points, as non-thermal plasma trap can produce a large amount of ozone in deodorisation process, easily form secondary pollution, and the efficiency of photocatalysis treatment technology is on the low side.In addition, the efficient collection that also has foul gas is also the efficient precondition of processing of foul gas in reality, and a lot of equipment has all been ignored this link.But, up to the present, also do not have a kind of emerging technology can thoroughly solve the purifying problem of foul gas, pungent gas with foreign flavor.
Therefore, a kind of deodorizing sterilizing efficiency high, non-secondary pollution, that efficient foul gas that collect, simple and reliable is collected with the invention of the integrated equipment purifying and method thereof is imperative.
Summary of the invention
For solving the problem existing in aforementioned background art, and collect and purify the defect problem easily occurring for the foul gas of municipal refuse terminal, as: can not efficiently collect, collection efficiency is low, deodorizing sterilizing efficiency is low, easily form secondary pollution etc. technological deficiency, the present invention provides especially a kind of and collects and the integrated equipment and the method thereof that purify for foul gas.
The object of the invention is: provide the integrated equipment of a kind of foul gas collection with purified treatment for municipal refuse terminal, and provide a kind of foul gas to collect and the processing method that purifies multiple links.
Foul gas is collected the integrated equipment with purified treatment, and it is made up of waste gas collecting system and waste gas cleaning system two parts, and its waste gas collecting system is connected by bleed airduct with waste gas cleaning system, it is characterized in that:
Underground air intake device two parts that described waste gas collecting system is installed by the useless refuse hopper of receiving of front end ground installation and refuse hopper rear end form; The ground air intake device that gas with foreign flavor when garbage truck being installed in the described top edge of receiving useless refuse hopper and dumping rubbish is collected, described ground air intake device is connected with gas pipeline by bellows; The underground air intake device that install described refuse hopper rear end is connected with gas pipeline by bleed airduct;
Gas flow equalization case and several plasma purification modules that described waste gas cleaning system is installed by equipment air inlet end form, and wherein, tolerance and the equipment wind-force that can produce according to system equipment arrange 2～5 cleaning modules; Described cleaning module end is provided with photo catalysis reactor module, connecting fan after photocatalysis module, after described blower fan, be provided with especially ozonolysis reactions device module, between modules, be connected in series by flange seal, by current-sharing case, plasma purification module, photo catalysis reactor and four module integration waste gas cleaning system equipment of ozonolysis reactions device.
Wherein, described in receive the gas inlet scoop place of useless refuse hopper front end and be provided with filter screen, it is made up of stainless steel wire, its mesh diameter is 0.8 ㎝.
Described current-sharing case is the stainless-steel sheet with circular hole, and its Circularhole diameter is set to 0.5～1.5 ㎝, and percent opening is set between 40～70%.
A kind of foul gas is collected and the processing method purifying, comprise the collection of multiple links, the exhaust-gas treatment of catharsis, it comprises that the preposition filter screen on waste gas collecting system stops large solid and dust granules to enter the air intake device of gas collection pipeline, and receives the air intake device of gas collection of the percolate of useless refuse hopper after rubbish is compressed and the underground installation of foul gas; Described waste gas is through the current-sharing case of waste gas cleaning system, waste gas is uniformly distributed and enters plasma purification module, waste gas is through cleaning module a large amount of foul gas of degrading, after further remove the little molecule in centre of remaining foul gas molecule and some generations through photo catalysis reactor, and play the effect of sterilizing simultaneously; Last waste gas is removed the ozone of cleaning module and photo catalysis reactor remnants again through ozonolysis reactions device, reduce secondary pollution.
Wherein, above-mentioned plasma purification module, formed by high-frequency and high-voltage power supply and line cartridge type reaction of low temperature plasma pipe array, under high-frequency and high-voltage power supply, produce a large amount of high energy particles such as electronics and ion and some high mars free radicals, harmful exhaust molecule can be decomposed or is oxidized in moment, thereby reach deodorizing and the effect of eliminating peculiar smell.
Above-mentioned photo catalysis reactor, formed by power supply, ultraviolet lamp tube and the filter screen that is coated with photochemical catalyst, under the effect of illumination and photochemical catalyst, produce a large amount of high energy free radicals, the organic pollution oxidative degradation or the bacterium that are adsorbed on catalyst surface can be killed, thereby get the effect of eliminating peculiar smell and sterilizing.
Above-mentioned ozonolysis reactions device, is made up of the filter screen that is coated with ozone decomposition catalyst, and its ozone decomposition catalyst is that the ozone fast decoupled that is adsorbed on screen surface for allowing is oxygen, reduces the material of ozone concentration.
Integrated equipment of the present invention can be for municipal refuse terminal, comprise the foul gas that is arranged on the small-sized rubbish room of community, medium-sized pressed refuse transfer post and large-scale garbage transfer station, effectively control the pollution of foul gas to ambient air, the quality of life that improves and improve resident is had great importance.
Compared with prior art, the advantage that the present invention has is:
1, on the waste gas collecting system on this integrated equipment, be provided with ground and underground twice air intake device, can avoid gas with foreign flavor source to distribute problem, and realize all kinds of gas with foreign flavor objects of efficient collection.
2, the current-sharing case on the waste gas cleaning system on this integrated equipment, plasma purification module, photo catalysis reactor and ozonolysis reactions device all adopt modularized design, can flexible combination and dismounting.
3, integrated equipment of the present invention, can process the foul gas such as ammonia in municipal refuse terminal, trimethylamine, formaldehyde, hydrogen sulfide, mercaptan, thioether, alkene, organic amine, benzene homologues completely, and it is simple in structure, and wide accommodation is safe and reliable.
Its beneficial effect is: can efficiently collect foul gas; Sterilizing simultaneously; Foul gas is processed thoroughly, and non-secondary pollution.
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Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further detailed.
Fig. 1 is the overall structure schematic diagram of integrated equipment of the present invention;
Fig. 2 is the structural representation of waste gas cleaning system of the present invention;
Number in the figure explanation:
1-garbage transfer room; The peripheral passageway of 2-; Gate, 3-garbage transfer room; 4-is air intake device on the ground; 5-bellows; The underground air intake device of 6-; 7-air-valve; 8-gas pipeline; Between 9-equipment room; 10-equipment air-vent; 11-current-sharing case; 12-cleaning module; 13-photo catalysis reactor; 14-blower fan; 15-ozonolysis reactions device; 16-exhaust outlet.
Detailed description of the invention
Specifically introduce with reference to the accompanying drawings various embodiment of the present invention, structure or function identical in figure mark by identical numeral.Should be noted that, the object of accompanying drawing is just convenient to the explanation to the specific embodiment of the invention, is not a kind of unnecessary narration or limitation of the scope of the invention, and in addition, accompanying drawing there is no need to draw in proportion.
Embodiment 1:
The present embodiment is collected and purifies integrated equipment as example taking medium-sized pressed refuse transfer post foul gas, by reference to the accompanying drawings 1, structure and the use of accompanying drawing 2 to this system be described in further detail.
In garbage transfer room 1 as shown in Figure 1, the unification of described waste gas collecting system equipment is placed in transfer room, its bellows 5 by air intake device 4, the refuse hopper interlock lifting on the ground of refuse hopper for collecting rubbish wagon box foul smell, forms gathering system equipment for the gas pipeline 8 of collecting the underground air intake device 6 of subsurface infiltration liquid foul smell, the air-valve 7 of controlling rate of air sucked in required size and gas collection transmission.
As shown in Figure 2, described waste gas cleaning system is placed between equipment room 9, and it is by equipment air-vent 10, for evenly current-sharing case 11, plasma purification module 12, photo catalysis reactor 13, blower fan 14, ozonolysis reactions device 15 and the exhaust outlet 16 of gas distribution form cleaning system equipment.
Its work embodiment is:
This system integrated apparatus starts in the course of work, opens successively blower fan, plasma purification modular power source, photo catalysis reactor power supply, and device can enter duty.
Its exhaust-gas treatment flow process is as follows:
The first step, the foul smell of garbage truck in the time that rubbish is toppled over and compress is inhaled in the air intake device 4 of refuse hopper ground, in rubbish toppling process, relate to raising of refuse hopper, be connected on the ground air intake device 4 with refuse hopper lifting interlock by bellows 5, gas carries out pretreatment by the filter screen arranging before pipeline and removes main solid particulate matter entering; And the foul gas that distributes of percolate after overstocking is collected through underground air intake device 6, described upper and lower air intake device (4,6) all can be controlled rate of air sucked in required size by the air-valve 7 arranging on it in collection process, guarantees that foul gas does not distribute outside air.
Second step, is connected the waste gas of transmission by gas pipeline 8, under blower fan 14 effects, enter into waste gas cleaning system through waste gas collecting system, and its purified treatment job step is as follows:
1, through current-sharing case 11, foul gas is carried out dispersed, after enter a large amount of foul gas of degrading in plasma purification module 12, tolerance and equipment wind-force that described cleaning module 12 can be produced according to system equipment arrange 2～5 modules for purified treatment;
2, gas enter by photo catalysis reactor 13 modules further to remove the little molecule in centre of molecule and some generations in remaining foul gas, and carry out sterilizing processing by photocatalysis simultaneously;
3, gas is after blower fan 14, again enter in the ozonolysis reactions device 15 of rear road setting, remove secondary pollution ozone remaining in plasma purification and light-catalyzed reaction process, last, emitting from exhaust outlet 16 is exactly the clean gas without any peculiar smell.
Wherein, the chemical formula of above-mentioned waste gas cleaning system module in purification process, as follows:
(1), plasma purification module
A, electric field+electronics → high energy electron
B, high energy electron+molecule (or atom) → active group (excited atom, be excited group, ion)
C, active group+molecule (atom) → product+heat
D, active group+active group → product+heat
(2), photocatalysis module
A, photochemical catalyst+hv(photon) → photochemical catalyst (electronics)+photochemical catalyst (hole)
B, photochemical catalyst (electronics)+O
2→ photochemical catalyst+O
2 -
C, photochemical catalyst (hole)+organic pollutant → → catalyst+CO
2+ H
2o
D, O
2 -+ organic pollutant → → CO
2+ H
2o
(3), ozone decomposed catalytic module
Test result by the medium-sized pressed refuse transfer post scene described in embodiment shows, this integrated equipment is good to the collecting effect of foul gas, and foul gas treatment and purification is thorough, and non-secondary pollution.
The description of above preferred embodiment, is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction.The present invention is not limited to the above-mentioned embodiment illustrating, and will meet the most wide in range scope consistent with the principle disclosing and novel feature here.Therefore, any those of ordinary skill in the art, in the situation that not departing from technical solution of the present invention scope, utilize the method content of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, all belong to the scope of claims protection.
Claims (7)
1. an integrated equipment for foul gas collection and purified treatment, it is made up of waste gas collecting system and waste gas cleaning system two parts, and its waste gas collecting system is connected by bleed airduct with waste gas cleaning system, it is characterized in that:
Underground air intake device two parts that described waste gas collecting system is installed by the useless refuse hopper of receiving of front end ground installation and refuse hopper rear end form; The ground air intake device that gas with foreign flavor when garbage truck being installed in the described top edge of receiving useless refuse hopper and dumping rubbish is collected, described ground air intake device is connected with gas pipeline by bellows; The underground air intake device that install described refuse hopper rear end is connected with gas pipeline by bleed airduct;
Gas flow equalization case and several plasma purification modules that described waste gas cleaning system is installed by equipment air inlet end form, and wherein, tolerance and the equipment wind-force that can produce according to system equipment arrange 2～5 cleaning modules; Described cleaning module end is provided with photo catalysis reactor module, connecting fan after photocatalysis module, after described blower fan, be provided with especially ozonolysis reactions device module, between modules, be connected in series by flange seal, by current-sharing case, plasma purification module, photo catalysis reactor and four module integration waste gas cleaning system equipment of ozonolysis reactions device.
2. foul gas according to claim 1 is collected and the integrated equipment of purified treatment, it is characterized in that: described in receive the gas inlet scoop place of useless refuse hopper front end and be provided with filter screen, it is made up of stainless steel wire, its mesh diameter is 0.8 ㎝.
3. the integrated equipment of foul gas collection according to claim 1 and purified treatment, is characterized in that: described current-sharing case is the stainless-steel sheet with circular hole, and its Circularhole diameter is set to 0.5～1.5 ㎝, and percent opening is set between 40～70%.
4. a foul gas is collected and the processing method purifying, comprise the collection of multiple links, the exhaust-gas treatment of catharsis, it comprises that the preposition filter screen on waste gas collecting system stops large solid and dust granules to enter the air intake device of gas collection pipeline, and receives the air intake device of gas collection of the percolate of useless refuse hopper after rubbish is compressed and the underground installation of foul gas; Described waste gas is through the current-sharing case of waste gas cleaning system, waste gas is uniformly distributed and enters plasma purification module, waste gas is through cleaning module a large amount of foul gas of degrading, after further remove the little molecule in centre of remaining foul gas molecule and some generations through photo catalysis reactor, and play the effect of sterilizing simultaneously; Last waste gas is removed the ozone of cleaning module and photo catalysis reactor remnants again through ozonolysis reactions device, reduce secondary pollution.
5. foul gas according to claim 4 is collected and the processing method purifying, it is characterized in that: above-mentioned plasma purification module, formed by high-frequency and high-voltage power supply and line cartridge type reaction of low temperature plasma pipe array, under high-frequency and high-voltage power supply, produce a large amount of high energy particles such as electronics and ion and some high mars free radicals, harmful exhaust molecule can be decomposed or is oxidized in moment, thereby reach deodorizing and the effect of eliminating peculiar smell.
6. foul gas according to claim 4 is collected and the processing method purifying, it is characterized in that: above-mentioned photo catalysis reactor, formed by power supply, ultraviolet lamp tube and the filter screen that is coated with photochemical catalyst, under the effect of illumination and photochemical catalyst, produce a large amount of high energy free radicals, the organic pollution oxidative degradation or the bacterium that are adsorbed on catalyst surface can be killed, thereby get the effect of eliminating peculiar smell and sterilizing.
7. foul gas according to claim 4 is collected and the processing method purifying, it is characterized in that: above-mentioned ozonolysis reactions device, formed by the filter screen that is coated with ozone decomposition catalyst, its ozone decomposition catalyst is that the ozone fast decoupled that is adsorbed on screen surface for allowing is oxygen, reduces the material of ozone concentration.
Priority Applications (1)
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|---|---|---|---|
| CN201410228186.6A CN103990363A (en) | 2014-05-27 | 2014-05-27 | Malodorous gas collecting and purifying integrated equipment and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228186.6A CN103990363A (en) | 2014-05-27 | 2014-05-27 | Malodorous gas collecting and purifying integrated equipment and method thereof |
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| CN103990363A true CN103990363A (en) | 2014-08-20 |
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| CN201410228186.6A Pending CN103990363A (en) | 2014-05-27 | 2014-05-27 | Malodorous gas collecting and purifying integrated equipment and method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785022A (en) * | 2015-02-03 | 2015-07-22 | 张家港市博天机械有限公司 | Oxidation furnace oxidation based waste gas processing system |
| CN104807023A (en) * | 2015-01-30 | 2015-07-29 | 张家港市博天机械有限公司 | Waste gas treatment system for oxidization treatment by oxidizing furnace |
| CN105289226A (en) * | 2015-10-28 | 2016-02-03 | 上海大学 | Purification system of garbage compression box and leachate stench gas in garbage transfer station |
| CN107198940A (en) * | 2017-07-28 | 2017-09-26 | 西安石油大学 | A kind of bus station's exhaust treatment system |
| CN108498838A (en) * | 2017-02-23 | 2018-09-07 | 福建美天环保科技有限公司 | A kind of electronic deodorizing device |
| CN108854525A (en) * | 2018-07-05 | 2018-11-23 | 欧阳烽 | A kind of gas with foreign flavor purification system of refuse transfer station |
| CN112340330A (en) * | 2020-11-13 | 2021-02-09 | 彭泽方 | One-way inlet and outlet type garbage transfer station |
| CN115069078A (en) * | 2022-04-27 | 2022-09-20 | 浙江大维高新技术股份有限公司 | Sewage pump station purification equipment and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807023A (en) * | 2015-01-30 | 2015-07-29 | 张家港市博天机械有限公司 | Waste gas treatment system for oxidization treatment by oxidizing furnace |
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| CN105289226A (en) * | 2015-10-28 | 2016-02-03 | 上海大学 | Purification system of garbage compression box and leachate stench gas in garbage transfer station |
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| CN107198940A (en) * | 2017-07-28 | 2017-09-26 | 西安石油大学 | A kind of bus station's exhaust treatment system |
| CN108854525A (en) * | 2018-07-05 | 2018-11-23 | 欧阳烽 | A kind of gas with foreign flavor purification system of refuse transfer station |
| CN112340330A (en) * | 2020-11-13 | 2021-02-09 | 彭泽方 | One-way inlet and outlet type garbage transfer station |
| CN115069078A (en) * | 2022-04-27 | 2022-09-20 | 浙江大维高新技术股份有限公司 | Sewage pump station purification equipment and method |
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Application publication date: 20140820 |