CN106268118A - A kind of exhaust treatment system - Google Patents
A kind of exhaust treatment system Download PDFInfo
- Publication number
- CN106268118A CN106268118A CN201510276531.8A CN201510276531A CN106268118A CN 106268118 A CN106268118 A CN 106268118A CN 201510276531 A CN201510276531 A CN 201510276531A CN 106268118 A CN106268118 A CN 106268118A
- Authority
- CN
- China
- Prior art keywords
- dioxin
- catalytic unit
- treatment system
- metal tube
- exhaust treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to air purification field, its drip irrigation device is a kind of exhaust treatment system, including the housing with air inlet and gas outlet, if be disposed with roughing efficiency air filter and high-voltage electrostatic field, arterial highway in described housing along wind circulation direction, after described high-voltage electrostatic field, it is additionally provided with dioxin catalytic unit and nitrogen oxides catalytic unit.By using technique scheme, waste gas after burning is conducive to particulate matter bigger in Filtration Adsorption waste gas by roughing efficiency air filter, the waste gas effect by high-voltage electrostatic field, dust can be adsorbed, and under dioxin room temperature, it is 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 oxides catalytic unit are set after high-voltage electrostatic field, be conducive to purifying further the dioxin nitrogen in waste gas by dioxin catalytic unit, oxide catalyst device can nitrogen oxide catalytic decomposition, it is finally reached exhaust gases after combustion and purifies the purpose of discharge.
Description
Technical field
The present invention relates to air purification field, more specifically, it relates to a kind of exhaust treatment system.
Background technology
Along with urbanization process and industry, the development of medical and health care system, the process handling problems of all kinds of garbages is increasingly paid close attention to by people.Waste incineration, as one of the means of most effective process rubbish, has obtained wide application.
Owing to rubbish is the mixture of comparison of ingredients complexity, wherein containing some organic compound and chloride, sulfide, fluoride etc., possibly together with large number of heavy metal.The pollutant 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 have to pass through after purification reaches relevant criterion and can be discharged in air.
Dust concentration in flue gas is controlled main employing electrostatic precipitator or sack cleaner.Electrostatic precipitator efficiency of dust collection and flue gas flow, particle size distribution, coherency, more relevant away from factors such as, voltage and electric currents than resistance, battery lead plate, remove particle size scope at 0.05-20um, particle diameter is relatively low in the removal efficiency of below 1.0um.Total removal efficiency typically can reach 95%-99.5%.By raw flue gas dust content based on exemplary reference value 3g/Nm3, the kind of dust after udst separation is about 15-150 mg/Nm3, therefore, is typically used alone electrostatic precipitator as dust suppression, it is impossible to meet existing flue gas of refuse burning discharge standard.
When sack cleaner is to make flue gas arrive filter bag, by based on sieving actoion, there is inertial collision, the short distance physical effect intercepting, spreading simultaneously, and electrostatic effect under given conditions and gravitational effect etc., carry out gas solid separation, particulate matter is made to be trapped on filter bag, then with timing or surely hinder control mode, by the defecator of the effect removing dust such as vibration, winding-up.Sack cleaner is relatively low to particle diameter particulate matter removal efficiencies in the range of 0.2-0.4um, and in the case of using performance preferably sack cleaner, total efficiency of dust collection can reach more than 99.9%.Discharge dust contained flue gas concentration typically can be controlled in below 10mg/Nm3.But in actual motion, under the influence of workmanship, the operational defect of sack cleaner, the factor such as maintenance is improper, cloth bag longtime running is aging, actual dust emission concentration is typically difficult to persistently ensure to control in 10mg/Nm3 level below, and in the flue gas after most factories sack cleaner, flying dust concentration is at about 30mg/Nm3.
In sum, prior art is used for process waste gas system or apparatus structure is complicated, exhaust-gas treatment effect is poor, it is unable to reach flue gas of refuse burning discharge standard, in order to meet the flue gas of refuse burning discharge standard improved constantly, in the case of less expensive, overcome the problem that sorts of systems exists, it should use exhaust treatment system more economical, efficient.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of exhaust treatment system with greater efficiency and simple in construction.
For achieving the above object, the technical scheme is that a kind of exhaust treatment system, including the housing with air inlet and gas outlet, if be disposed with roughing efficiency air filter and high-voltage electrostatic field, arterial highway in described housing along wind circulation direction, after described high-voltage electrostatic field, it is additionally provided with dioxin catalytic unit and nitrogen oxides catalytic unit.
The present invention is further arranged to: described high-voltage electrostatic field includes 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 connects metal sheet 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 present invention is further arranged to: described conducting bracket plate is made up of resin or aluminum alloy materials.
The present invention is further arranged to: described electrode needle be arranged on the central axis of metal tube and electrode needle needle point with metal tube two ends apart from equal setting.
The present invention is further arranged to: described metal tube cross section is polygon or circular configuration.
The present invention is further arranged to: if described dioxin catalytic unit includes that dry-packing chamber, described filling chamber are cellular distribution, described filling intracavity is placed with dioxin catalyst.
The present invention is further arranged to: described nitrogen oxides catalytic unit is identical with dioxin catalytic unit structure, and described filling intracavity is placed with catalyst for reduction of oxides of nitrogen.
The present invention is further arranged to: described dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned over filling intracavity by carrier, and described carrier is solid sphere structure or hollow cylindrical structure.
The present invention is further arranged to: be provided with the stainless (steel) wire of filter particulate material in described roughing efficiency air filter.
nullThe method have the benefit that by using technique scheme，Based on physical absorption and chemical catalysis decomposition principle，Waste gas after burning is conducive to particulate matter bigger in Filtration Adsorption waste gas by roughing efficiency air filter，Play the purpose of preliminary purification，The waste gas effect by high-voltage electrostatic field，Dust can be adsorbed，And under dioxin room temperature, it is adsorbed in dust surface，With the dust adsorption of dioxin on the metal tube tank skin of high-voltage electrostatic field，Reach to purify dust and the purpose of dioxin，Dioxin catalytic unit and nitrogen oxides catalytic unit are set after high-voltage electrostatic field，Be conducive to purifying further the dioxin nitrogen in waste gas by dioxin catalytic unit，Oxide catalyst device can nitrogen oxide catalytic decomposition，Accomplish the main dusty gas in waste gas decomposition targetedly，This system structure is simple，Can be according to different service conditions，Select different high-voltage electrostatic fields、Dioxin catalytic unit and the quantity of nitrogen oxides catalytic unit，System is made to have higher use motility，It is finally reached exhaust gases after combustion and purifies the purpose of discharge.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention a kind of exhaust treatment system embodiment；
Fig. 2 is the structure chart of the present invention a kind of exhaust treatment system embodiment high-voltage electrostatic field；
Fig. 3 is the schematic diagram of the present invention a kind of exhaust treatment system embodiment high-voltage electrostatic field；
Fig. 4 is the structural representation of the present invention a kind of exhaust treatment system embodiment nitrogen oxides catalytic unit and dioxin catalytic unit；
Fig. 5 is the exhaust-gas treatment flow process figure of the present invention a kind of exhaust treatment system embodiment.
Reference: 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 oxides catalytic unit.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, one exhaust treatment system embodiment of the present invention is described further.
A kind of exhaust treatment system, including the housing 1 with air inlet 11 and gas outlet 12, if be disposed with roughing efficiency air filter 2 and high-voltage electrostatic field, arterial highway 3 in housing 1 along wind circulation direction, the quantity of high-voltage electrostatic field 3 can be adjusted along with the difference using environment, it is generally preferred to 8 to 10 roads, roughing efficiency air filter 2 be provided with the stainless (steel) wire of filter particulate material.It is additionally provided with dioxin catalytic unit 4 and nitrogen oxides catalytic unit 5, dioxin catalytic unit 4 and nitrogen oxides catalytic unit 5 after high-voltage electrostatic field 3 without sequencing, different orders and quantity can be placed with service condition.
It is further arranged to: high-voltage electrostatic field 3 includes electrode needle 35, metallic plate 32, metal tube 33, conducting bracket plate 34 and Insulating frame 31, metal tube 33 diameter is equal to 1.5 times of metal tube 33 pipe range, conducting bracket plate 34 is more than the electrode needle 35 distance to metal tube 33 tube wall with the distance of the nearlyer mouth of pipe of metal tube 33, 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 connects metallic 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.A metallic plate 32 it is connected with at the hollow side of Insulating frame 31, metallic plate 32 is designed according to actually used shape size, some through holes are had in cellular on its face, 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 with Insulating frame 31 by screw.Insulated column controls the position of conducting bracket plate 34 so that the some electrode needle 35 affixed with conducting bracket plate 34 are positioned on the axial line within some metal circular tubes.Metallic plate 32, conducting bracket plate 34 are connected with high voltage power supply by high tension cable respectively, and wherein metal circular tube connects power cathode by metallic plate 32, and electrode needle 35 connects positive source by conducting bracket plate 34.It is internally formed pipe stylus structure high voltagehigh frequency electric field at Insulating frame 31 by above-mentioned arrangement.The present invention use for metal tube 33 and the discharge mode of electrode needle 35, the discharge mode between electric discharge or line and the plate between plate and plate can also be selected in prior art, conducting bracket plate 34 is made up of resin or aluminum alloy materials, and the conducting bracket plate 34 that wherein resin material is constituted is resin base copper sheet.Electrode needle 35 is arranged on the central axis of metal tube 33 and electrode needle 35 needle point is positioned at metal tube 33 pipe range 3/1 to four/4ths position, being preferably 1/2nd positions, metal tube 33 cross section is polygon or circular configuration, can be regular polygon, preferably circular structure, convenient processing.
It is further arranged to: if dioxin catalytic unit 4 includes that dry-packing chamber 41, filling chamber 41, in cellular distribution, are placed with dioxin catalyst in filling chamber 41.Dioxin catalytic unit 4 can also be made up of 3D ceramic sponge shape structure and the dioxin catalyst being built in this structure, and nitrogen oxides catalytic unit 5 is identical with dioxin catalytic unit 4 structure, is placed with catalyst for reduction of oxides of nitrogen in filling chamber 41.Dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned in filling chamber 41 by carrier 42, 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.
nullBy using technique scheme，Based on physical absorption and chemical catalysis decomposition principle，Waste gas after burning is conducive to particulate matter bigger in Filtration Adsorption waste gas by roughing efficiency air filter 2，Play the purpose of preliminary purification，The waste gas effect by high-voltage electrostatic field，Dust can be adsorbed，And under dioxin room temperature, it is adsorbed in dust surface，With the dust adsorption of dioxin on metal tube 33 tank skin of high-voltage electrostatic field 3，Reach to purify dust and the purpose of dioxin，Dioxin catalytic unit 4 and nitrogen oxides catalytic unit 4 are set after high-voltage electrostatic field 3，It is beneficial to purify further the dioxin nitrogen in waste gas 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 structure is simple，Can be according to different service conditions，Select different high-voltage electrostatic fields 3、Dioxin catalytic unit 4 and the quantity of nitrogen oxides catalytic unit 5，System is made to have higher use motility，It is finally reached exhaust gases after combustion and purifies the purpose of discharge.
nullThe specific embodiment of the invention: enter roughing efficiency air filter 2 when the waste gas after equipment (refuse burner) operating burning first passes through 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，Purified by the further deep level of processing of electric field environment，Make the dust adsorption with dioxin in high-voltage electrostatic field 3 metal tube 33 tube wall，(periodically say that high-voltage electrostatic field 3 is taken out，Carry out the cleaning of metal tube 33 tube wall)，Then the dioxin in waste gas and nitrogen oxides are processed in the being further directed to property carrying out dioxin catalytic unit 4 and nitrogen oxides catalytic unit 5，When waste gas is by dioxin catalytic unit 4 and nitrogen oxides catalytic unit 5，The solid sphere or the hollow cylinder that are attached with dioxin catalyst sum roll in filling chamber 41，Thus carry out the further catalytic reaction to dioxin and remove and the catalytic reaction of nitrogen oxides，Dioxin catalytic oxygen is decomposed，Generate harmless water vapour、Carbon dioxide、Hydrogen chloride，Catalyst for reduction of oxides of nitrogen can be selected for ammonia、Carbamide、Alkane etc.，With generation nitrogen and water after reaction of nitrogen oxides，Thus reach non-pollution discharge.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-described embodiment, and all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that, for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (9)
1. an exhaust treatment system, including the housing with air inlet and gas outlet, it is characterized in that, if be disposed with roughing efficiency air filter and high-voltage electrostatic field, arterial highway in described housing along wind circulation direction, after described high-voltage electrostatic field, be additionally provided with dioxin catalytic unit and nitrogen oxides catalytic unit.
A kind of exhaust treatment system the most according to claim 1, it is characterized in that, described high-voltage electrostatic field includes 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, and conducting bracket plate connects metal sheet 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.
A kind of exhaust treatment system the most according to claim 2, it is characterised in that described conducting bracket plate is made up of resin or aluminum alloy materials.
A kind of exhaust treatment system the most according to claim 3, it is characterised in that described electrode needle be arranged on the central axis of metal tube and electrode needle needle point with metal tube two ends apart from equal setting.
A kind of exhaust treatment system the most according to claim 4, it is characterised in that described metal tube cross section is polygon or circular configuration.
A kind of exhaust treatment system the most according to claim 1, it is characterised in that if described dioxin catalytic unit includes that dry-packing chamber, described filling chamber are cellular distribution, described filling intracavity is placed with dioxin catalyst.
A kind of exhaust treatment system the most according to claim 6, it is characterised in that described nitrogen oxides catalytic unit is identical with dioxin catalytic unit structure, and described filling intracavity is placed with catalyst for reduction of oxides of nitrogen.
A kind of exhaust treatment system the most according to claim 7, it is characterised in that described dioxin catalyst and catalyst for reduction of oxides of nitrogen are all positioned over filling intracavity by carrier, and described carrier is solid sphere structure or hollow cylindrical structure.
A kind of exhaust treatment system the most according to claim 1, it is characterised in that be 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 |
|---|---|---|---|
| CN201510276531.8A CN106268118A (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276531.8A CN106268118A (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106268118A true CN106268118A (en) | 2017-01-04 |
Family
ID=57635271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510276531.8A Pending CN106268118A (en) | 2015-05-26 | 2015-05-26 | A kind of exhaust treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106268118A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281843Y (en) * | 1996-11-25 | 1998-05-20 | 声宝股份有限公司 | High voltage dust collecting electric plate |
| KR100260743B1 (en) * | 1997-12-12 | 2000-07-01 | 송길홍 | Exhaust gas purifier of an incinerator |
| CN102563767A (en) * | 2012-02-20 | 2012-07-11 | 上海交通大学 | Multifunctional indoor air refresher coupling purification and fresh air ventilation |
| CN102698578A (en) * | 2011-04-08 | 2012-10-03 | 上海同利环境科技有限公司 | Process for synchronously removing nitrogen oxide, dioxin and offensive odor in flue gas from waste incineration |
| CN202590555U (en) * | 2012-03-05 | 2012-12-12 | 广东东日环保有限公司 | Purification treatment device for industrial organic waste gas |
| CN204637905U (en) * | 2015-05-26 | 2015-09-16 | 陆崎 | A kind of exhaust treatment system |
-
2015
- 2015-05-26 CN CN201510276531.8A patent/CN106268118A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281843Y (en) * | 1996-11-25 | 1998-05-20 | 声宝股份有限公司 | High voltage dust collecting electric plate |
| KR100260743B1 (en) * | 1997-12-12 | 2000-07-01 | 송길홍 | Exhaust gas purifier of an incinerator |
| CN102698578A (en) * | 2011-04-08 | 2012-10-03 | 上海同利环境科技有限公司 | Process for synchronously removing nitrogen oxide, dioxin and offensive odor in flue gas from waste incineration |
| CN102563767A (en) * | 2012-02-20 | 2012-07-11 | 上海交通大学 | Multifunctional indoor air refresher coupling purification and fresh air ventilation |
| CN202590555U (en) * | 2012-03-05 | 2012-12-12 | 广东东日环保有限公司 | Purification treatment device for industrial organic waste gas |
| CN204637905U (en) * | 2015-05-26 | 2015-09-16 | 陆崎 | A kind of exhaust treatment system |
Non-Patent Citations (1)
| Title |
|---|
| 耿静: "《二恶英类的控制政策及效果分析》", 30 April 2011, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103463944B (en) | A kind of electrostatic works in coordination with method for removing pollutant and device | |
| CN202762288U (en) | Multi-tube parallel type low-temperature plasma device for purifying harmful gas | |
| CN103480261B (en) | Gaseous contaminant integrated purifying device | |
| CN109925850B (en) | Electrochemical synergistic liquid phase catalysis sulfur, nitrate and dust integrated purification method and device | |
| CN204637905U (en) | A kind of exhaust treatment system | |
| CN104501307A (en) | Simulation air purifier | |
| CN202762284U (en) | Low-temperature plasma reaction tube for harmful gas purification | |
| CN205146443U (en) | Electrostatic precipitator's scale removal scrubbing device | |
| CN107297142B (en) | Flue gas purification method | |
| CN107051182A (en) | A kind of nitrogen oxides removal device and its method for removing nitrogen oxides in air-flow | |
| CN206838310U (en) | Plasma eliminating white smoke device | |
| US20190076783A1 (en) | Clean Gas Stack | |
| CN111318140B (en) | Filtering type medium blocking discharge flue gas purification system and method | |
| CN203610027U (en) | Integrated purification device for gaseous pollutants | |
| CN206184229U (en) | Low temperature plasma ultraviolet photolysis exhaust gas cleaner | |
| CN105879566B (en) | NO in the medium barrier discharging induced reduction removing flue gas of one kindxMethod and apparatus | |
| CN103611378A (en) | Simulation air purifier | |
| CN106914111B (en) | Harmful substance removing device and method for removing harmful substances in airflow | |
| CN203315988U (en) | Combined waste gas purifier | |
| CN106268118A (en) | A kind of exhaust treatment system | |
| CN104258699A (en) | Method for synergistically purifying pollutants by plasmas and gas-solid or gas-liquid dispersion system | |
| CN210545704U (en) | Electric purification equipment and air purifier | |
| CN209848674U (en) | Photocatalysis flue gas demercuration device in power plant's chimney | |
| CN101773776A (en) | Device integrated with fuel gas electro-catalysis, adsorptive desulfurization denitration and dust and heavy metal removal | |
| CN211725339U (en) | Two-stage adsorption and two-stage spraying synergistic WESP device for efficiently removing heavy metals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |