CN204637905U - A kind of exhaust treatment system - Google Patents
A kind of exhaust treatment system Download PDFInfo
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- CN204637905U CN204637905U CN201520348453.3U CN201520348453U CN204637905U CN 204637905 U CN204637905 U CN 204637905U CN 201520348453 U CN201520348453 U CN 201520348453U CN 204637905 U CN204637905 U CN 204637905U
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- Prior art keywords
- dioxin
- catalytic unit
- treatment system
- metal tube
- exhaust treatment
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Abstract
The utility model relates to air purification field, its drip irrigation device is a kind of exhaust treatment system, comprise the housing with air inlet and gas outlet, be disposed with roughing efficiency air filter and high-voltage electrostatic field, some roads along wind circulation direction in described housing, after described high-voltage electrostatic field, be also provided with dioxin catalytic unit and nitrogen oxide catalytic unit.By adopting technique scheme, waste gas after burning is conducive to filtering particle larger in absorption waste gas by roughing efficiency air filter, waste gas is by the effect of high-voltage electrostatic field, can attract dust, and under dioxin normal temperature, be adsorbed in dust surface, with the dust adsorption of dioxin on the metal tube tank skin of high-voltage electrostatic field, dioxin catalytic unit and nitrogen oxide catalytic unit are set after high-voltage electrostatic field, the dioxin nitrogen in further purifying exhaust air is conducive to by dioxin catalytic unit, oxide catalyst device can nitrogen oxide catalytic decomposition, finally reach the object of exhaust gases after combustion emission abatement.
Description
Technical field
The utility model relates to air purification field, and more particularly, it relates to a kind of exhaust treatment system.
Background technology
Along with the development of urbanization process and industry, medical and health care system, the process handling problems of all kinds of discarded object more and more receives the concern of people.Waste incineration, as one of the means of the most effective disposal of refuse, obtains and applies more widely.
Due to the mixture that rubbish is comparison of ingredients complexity, wherein containing some organic compound and chloride, sulfide, fluoride etc., the heavy metal also containing larger amt.The pollutants such as sour gas and dioxin such as generation HCl, SO2, HF, NOx are blended in flue gas by Refuse Incineration Process; Pollutant in flue gas has to pass through after purification reaches relevant criterion and can be discharged in air.
Main employing electrostatic precipitator or sack cleaner are controlled to the dust concentration in flue gas.The factors such as electrostatic precipitator efficiency of dust collection distributes with flue gas flow, particle size, coherency, ratio resistance, battery lead plate distance, voltage and electric current are relevant, and remove particle size scope at 0.05-20um, particle diameter is lower in the removal efficiency of below 1.0um.Total removal efficiency generally can reach 95%-99.5%.In raw flue gas dust content by exemplary reference value 3g/Nm3, kind of dust after udst separation is about 15-150 mg/Nm3, therefore, be generally used alone electrostatic precipitator as dust suppression, existing flue gas of refuse burning discharge standard can not be met.
Sack cleaner is when making flue gas arrive filter bag, by based on sieving actoion, there is the short distance physical effect of inertial collision, interception, diffusion simultaneously, and electrostatic effect and gravitational effect etc. under given conditions, carry out gas solid separation, particle is trapped on filter bag, then with timing or surely hinder control mode, by the filter of the effect such as vibration, winding-up removing control of dust.Sack cleaner is lower to the particulate matter removal efficiencies of particle diameter within the scope of 0.2-0.4um, when adopt performance preferably sack cleaner, total efficiency of dust collection can reach more than 99.9%.Discharge dust contained flue gas concentration generally can be controlled in below 10mg/Nm3.But in actual motion, under impact due to the workmanship of sack cleaner, operational defect, the factor such as maintenance is improper, cloth bag longtime running is aging, actual dust emission concentration is generally difficult to the level continuing to ensure to control at below 10mg/Nm3, and in the flue gas after most factories sack cleaner, flying dust concentration is at about 30mg/Nm3.
In sum, for the treatment of waste gas system or apparatus structure complexity in prior art, exhaust-gas treatment effect is poor, flue gas of refuse burning discharge standard cannot be reached, in order to meet the flue gas of refuse burning discharge standard improved constantly, when less expensive, overcome sorts of systems Problems existing, more economical, efficient exhaust treatment system should be adopted.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide one to have greater efficiency and the simple exhaust treatment system of structure.
For achieving the above object, the utility model provides following technical scheme: a kind of exhaust treatment system, comprise the housing with air inlet and gas outlet, be disposed with roughing efficiency air filter and high-voltage electrostatic field, some roads along wind circulation direction in described housing, after described high-voltage electrostatic field, be also provided with dioxin catalytic unit and nitrogen oxide catalytic unit.
The utility model is set to further: described high-voltage electrostatic field comprises electrode needle, metallic plate, metal tube, conducting bracket plate and Insulating frame, described electrode needle one end is fixed on conducting bracket plate, the other end is inserted in described metal tube, conducting bracket plate connection metal plate surface, described metal tube is embedded at metallic plate, metal tube and electrode needle one_to_one corresponding, described conducting bracket plate connects positive source, and described metal tube connects power cathode.
The utility model is set to further: described conducting bracket plate is made up of resin or aluminum alloy materials.
The utility model is set to further: on the central axis that described electrode needle is arranged at metal tube and electrode needle needle point and metal tube two ends are apart from equal setting.
The utility model is set to further: described metal tube cross section is polygon or circular configuration.
The utility model is set to further: described dioxin catalytic unit comprises some filling chambeies, and described filling chamber is cellular distribution, is placed with dioxin catalyst in described filling chamber.
The utility model is set to further: described nitrogen oxide catalytic unit is identical with dioxin catalytic unit structure, is placed with catalyst for reduction of oxides of nitrogen in described filling chamber.
The utility model is set to further: described dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned over by carrier and fill in chamber, and described carrier is solid sphere structure or hollow cylindrical structure.
The utility model is set to further: the stainless (steel) wire being provided with filter particulate material in described roughing efficiency air filter.
The utility model beneficial effect: by adopting technique scheme, physically based deformation absorption and chemical catalysis decomposition principle, waste gas after burning is conducive to filtering particle larger in absorption waste gas by roughing efficiency air filter, play the object of preliminary purification, waste gas is by the effect of high-voltage electrostatic field, can attract dust, and under dioxin normal temperature, be adsorbed in dust surface, with the dust adsorption of dioxin on the metal tube tank skin of high-voltage electrostatic field, reach the object of purification dust and dioxin, dioxin catalytic unit and nitrogen oxide catalytic unit are set after high-voltage electrostatic field, the dioxin nitrogen in further purifying exhaust air is conducive to by dioxin catalytic unit, oxide catalyst device can nitrogen oxide catalytic decomposition, accomplish the main dusty gas in waste gas decomposition targetedly, this system architecture is simple, can according to different service conditions, select different high-voltage electrostatic fields, the quantity of dioxin catalytic unit and nitrogen oxide catalytic unit, system is made to have higher use flexibility, finally reach the object of exhaust gases after combustion emission abatement.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of exhaust treatment system embodiment of the utility model;
Fig. 2 is the structure chart of a kind of exhaust treatment system embodiment of the utility model high-voltage electrostatic field;
Fig. 3 is the schematic diagram of a kind of exhaust treatment system embodiment of the utility model high-voltage electrostatic field;
Fig. 4 is the structural representation of a kind of exhaust treatment system embodiment of the utility model nitrogen oxide catalytic unit and dioxin catalytic unit;
Fig. 5 is the exhaust-gas treatment flow process figure of a kind of exhaust treatment system embodiment of the utility model.
Reference numeral: 1, housing; 11, air inlet; 12, gas outlet; 2, roughing efficiency air filter; 3, high-voltage electrostatic field; 31, Insulating frame; 32, metallic plate; 33, metal tube; 34, conducting bracket plate; 35, electrode needle; 4, dioxin catalytic unit; 41, chamber is filled; 42, carrier; 5, nitrogen oxide catalytic unit.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, a kind of exhaust treatment system embodiment of the utility model is described further.
A kind of exhaust treatment system, comprise the housing 1 with air inlet 11 and gas outlet 12, roughing efficiency air filter 2 and high-voltage electrostatic field, some roads 3 is disposed with along wind circulation direction in housing 1, the quantity of high-voltage electrostatic field 3 can adjust along with the difference of environment for use, general preferably 8 to 10 roads, are provided with the stainless (steel) wire of filter particulate material in roughing efficiency air filter 2.Also be provided with dioxin catalytic unit 4 and nitrogen oxide catalytic unit 5 after high-voltage electrostatic field 3, dioxin catalytic unit 4 and nitrogen oxide catalytic unit 5, without sequencing, can place different orders and quantity with service condition.
Be set to further: high-voltage electrostatic field 3 comprises electrode needle 35, metallic plate 32, metal tube 33, conducting bracket plate 34 and Insulating frame 31, metal tube 33 diameter equals 1.5 times of metal tube 33 pipe range, conducting bracket plate 34 and the distance of the nearlyer mouth of pipe of metal tube 33 are greater than the distance of electrode needle 35 to metal tube 33 tube wall, electrode needle 35 one end is fixed on conducting bracket plate 34, the other end is inserted in described metal tube 33, conducting bracket plate 34 connection metal plate 32 surface, metal tube 33 is embedded at metallic plate 32, metal tube 33 and electrode needle 35 one_to_one corresponding.Insulating frame 31 is the semiclosed boxed frame of a hollow.The hollow side place of Insulating frame 31 is connected with a metallic plate 32, the shape size that metallic plate 32 uses according to reality designs, its face has some through holes in cellular, some metal circular tubes are embedded with some through hole one_to_one corresponding and are connected, wind energy is made enough to pass through metal circular tube, electrode needle 35 is fixed on conducting bracket plate 34, affixed by some insulated columns between conducting bracket plate 34 and metallic plate 32, and insulated column is fixed by screw and Insulating frame 31.Insulated column controls the position of conducting bracket plate 34, and the some electrode needle 35 affixed with conducting bracket plate 34 are positioned on the axial line of some metal circular tube inside.Metallic plate 32, conducting bracket plate 34 are connected with high voltage source respectively by high-tension cable, and wherein metal circular tube is communicated with power cathode by metallic plate 32, and electrode needle 35 is communicated with positive source by conducting bracket plate 34.Pipe stylus structure high voltagehigh frequency electric field is formed in Insulating frame 31 inside by above-mentioned arrangement.What the utility model adopted is the discharge mode of metal tube 33 and electrode needle 35, also the electric discharge in prior art between plate and plate or the discharge mode between line and plate can be selected, conducting bracket plate 34 is made up of resin or aluminum alloy materials, and the conducting bracket plate 34 that wherein resin material is formed is resin-based copper sheet.On the central axis that electrode needle 35 is arranged at metal tube 33 and electrode needle 35 needle point is positioned at metal tube 33 pipe range 3/1 to four/4ths position, be preferably 1/2nd positions, metal tube 33 cross section is polygon or circular configuration, can be regular polygon, be preferably circular configuration, convenient processing.
Be set to further: dioxin catalytic unit 4 comprises some filling chambeies 41, fill chamber 41 in cellular distribution, fill in chamber 41 and be placed with dioxin catalyst.Dioxin catalytic unit 4 also can be made up of 3D ceramic sponge shape structure and the dioxin catalyst being built in this structure, and nitrogen oxide catalytic unit 5 is identical with dioxin catalytic unit 4 structure, fills in chamber 41 and is placed with catalyst for reduction of oxides of nitrogen.Dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned over by carrier 42 fills in chamber 41, carrier 42 is solid sphere structure or hollow cylindrical structure, and dioxin catalyst and catalyst for reduction of oxides of nitrogen are attached to solid sphere surface or hollow cylinder surface and medial surface.
By adopting technique scheme, physically based deformation absorption and chemical catalysis decomposition principle, waste gas after burning is conducive to filtering particle larger in absorption waste gas by roughing efficiency air filter 2, play the object of preliminary purification, waste gas is by the effect of high-voltage electrostatic field, can attract dust, and under dioxin normal temperature, be adsorbed in dust surface, with the dust adsorption of dioxin on metal tube 33 tank skin of high-voltage electrostatic field 3, reach the object of purification dust and dioxin, dioxin catalytic unit 4 and nitrogen oxide catalytic unit 4 are set after high-voltage electrostatic field 3, the dioxin nitrogen in further purifying exhaust air is beneficial to by dioxin catalytic unit 4, oxide catalyst device 5 can nitrogen oxide catalytic decomposition, accomplish the main dusty gas in waste gas decomposition targetedly, this system architecture is simple, can according to different service conditions, select different high-voltage electrostatic fields 3, the quantity of dioxin catalytic unit 4 and nitrogen oxide catalytic unit 5, system is made to have higher use flexibility, finally reach the object of exhaust gases after combustion emission abatement.
The utility model detailed description of the invention: when first the waste gas after equipment (refuse burner) running burning enter roughing efficiency air filter 2 by air inlet 11, filter a part of oarse-grained material, then by high-voltage electrostatic field 3, electrode needle 35 point discharge, form high voltage electric field, by the further deep level of processing purification of electric field environment, make dust adsorption with dioxin in high-voltage electrostatic field 3 metal tube 33 tube wall, (regularly say that high-voltage electrostatic field 3 is taken out, carry out the cleaning of metal tube 33 tube wall), then the dioxin in the further specific aim process waste gas carrying out dioxin catalytic unit 4 and nitrogen oxide catalytic unit 5 and nitrogen oxide, when waste gas is by dioxin catalytic unit 4 and nitrogen oxide catalytic unit 5, be attached with dioxin catalyst and solid sphere or hollow cylinder filling chamber 41 in roll, thus the catalytic reaction of the further catalytic reaction removal carried out dioxin and nitrogen oxide, dioxin catalytic oxygen is decomposed, generate harmless water vapour, carbon dioxide, hydrogen chloride, catalyst for reduction of oxides of nitrogen can select ammonia, urea, alkane etc., with generate nitrogen and water after reaction of nitrogen oxides, thus reach non-pollution discharge.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. an exhaust treatment system, comprise the housing with air inlet and gas outlet, it is characterized in that, be disposed with roughing efficiency air filter and high-voltage electrostatic field, some roads along wind circulation direction in described housing, after described high-voltage electrostatic field, be also provided with dioxin catalytic unit and nitrogen oxide catalytic unit.
2. a kind of exhaust treatment system according to claim 1, it is characterized in that, described high-voltage electrostatic field comprises electrode needle, metallic plate, metal tube, conducting bracket plate and Insulating frame, described electrode needle one end is fixed on conducting bracket plate, and the other end is inserted in described metal tube, conducting bracket plate connection metal plate surface, described metal tube is embedded at metallic plate, metal tube and electrode needle one_to_one corresponding, described conducting bracket plate connects positive source, and described metal tube connects power cathode.
3. a kind of exhaust treatment system according to claim 2, is characterized in that, described conducting bracket plate is made up of resin or aluminum alloy materials.
4. a kind of exhaust treatment system according to claim 3, is characterized in that, on the central axis that described electrode needle is arranged at metal tube and electrode needle needle point and metal tube two ends are apart from equal setting.
5. a kind of exhaust treatment system according to claim 4, is characterized in that, described metal tube cross section is polygon or circular configuration.
6. a kind of exhaust treatment system according to claim 1, is characterized in that, described dioxin catalytic unit comprises some filling chambeies, and described filling chamber is cellular distribution, is placed with dioxin catalyst in described filling chamber.
7. a kind of exhaust treatment system according to claim 6, is characterized in that, described nitrogen oxide catalytic unit is identical with dioxin catalytic unit structure, is placed with catalyst for reduction of oxides of nitrogen in described filling chamber.
8. a kind of exhaust treatment system according to claim 7, is characterized in that, described dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned over by carrier and fill in chamber, and described carrier is solid sphere structure or hollow cylindrical structure.
9. a kind of exhaust treatment system according to claim 1, is characterized in that, is provided with the stainless (steel) wire of filter particulate material in described roughing efficiency air filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348453.3U CN204637905U (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520348453.3U CN204637905U (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204637905U true CN204637905U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520348453.3U Expired - Fee Related CN204637905U (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204637905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268118A (en) * | 2015-05-26 | 2017-01-04 | 陆崎 | A kind of exhaust treatment system |
| CN106338074A (en) * | 2016-08-30 | 2017-01-18 | 镇江裕太防爆电加热器有限公司 | Ammonia tail gas treatment furnace |
| CN110864310A (en) * | 2018-08-27 | 2020-03-06 | 国立大学法人埼玉大学 | Combustion furnace of harmful waste gas treatment device based on alternating current electric field |
-
2015
- 2015-05-26 CN CN201520348453.3U patent/CN204637905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268118A (en) * | 2015-05-26 | 2017-01-04 | 陆崎 | A kind of exhaust treatment system |
| CN106338074A (en) * | 2016-08-30 | 2017-01-18 | 镇江裕太防爆电加热器有限公司 | Ammonia tail gas treatment furnace |
| CN110864310A (en) * | 2018-08-27 | 2020-03-06 | 国立大学法人埼玉大学 | Combustion furnace of harmful waste gas treatment device based on alternating current electric field |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20200526 |