CN205659560U - Industry flue gas desulfurization denitration dust collector - Google Patents
Industry flue gas desulfurization denitration dust collector Download PDFInfo
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- CN205659560U CN205659560U CN201620247029.4U CN201620247029U CN205659560U CN 205659560 U CN205659560 U CN 205659560U CN 201620247029 U CN201620247029 U CN 201620247029U CN 205659560 U CN205659560 U CN 205659560U
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Abstract
The utility model discloses an industry flue gas desulfurization denitration dust collector, including industrial boiler, industrial boiler connects the SCR reactor, the blender is connected to the SCR reactor, the evaporimeter is connected to the blender, the liquid ammonia storage tank is connected to the evaporimeter, the last air intlet of industrial boiler connects the pre -heater, the forced draught blower is connected to the pre -heater lower extreme, pre -heater upper end one side is connected to the SCR reactor, electrostatic precipitator connects the draught fan, the desulfurizing tower is connected to the draught fan, the inside top of desulfurizing tower is equipped with the defroster, the defroster lower extreme is equipped with the shower, spraying pipe connected circulation pump package, circulating pump group link equalizing basin, be equipped with soda solution inlet pipe on the equalizing basin, the replacement oxidation pond is connected to the equalizing basin, the replacement oxidation pond is connected to the desulfurizing tower lower extreme, be equipped with roots's fan on the replacement oxidation pond, concentrated pond is connected to the replacement oxidation pond, the sediment stuff pump is connected in concentrated pond, sediment stuff pump connecting band filter, the utility model discloses simple structure, simple process can effectual recovery heat, and through two alkaline process desulfurization, desulfurization effect is good.
Description
Technical field
This utility model relates to a kind of flue gas processing device, specifically a kind of desulfurizing industrial fume denitration dust collecting device.
Background technology
Flue gas is the mixture of gas and flue dust, is the main cause polluting residential block air.The composition of flue gas is the most complicated, and gas includes
Water vapour, SO2, N2, O2, CO, CO2 Hydrocarbon and oxynitride etc., flue dust includes the ash of fuel, coal grain, oil droplet and high-temperature split product etc..Therefore flue gas is the combined pollution of multiple poisonous substance to the pollution of environment.Flue dust is relevant to the hazardness of human body and the size of granule, and mostly what human body produced harm is that diameter is less than the floating dust of 10 microns, especially with the floating dust hazardness maximum of 1-2.5 micron.
Also use on a large scale in industrial boilers in China, a large amount of flue gas can be discharged in use, seriously polluted, need it is processed, the process of desulfurizing industrial fume denitration at present is all divided into what multistep was carried out, when carrying out fume treatment, present most equipment, there is energy dissipation serious, the problem that treatment process steps is various, owing to China is also using coal-burning boiler now on a large scale, smoke discharge amount is the biggest, and the coal that the most coal-burning boiler of China is used, have in great majority and process through coal washing, cause among coal containing substantial amounts of element sulphur, after being combusted, content of sulfur dioxide in flue gas is surprising, not only pollute air, and acid rain can be caused, pollute environment greatly and compromise the health of people, so in flue gas, desulfurization processes is highly important.
Utility model content
The purpose of this utility model is to provide a kind of desulfurizing industrial fume denitration dust collecting device, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of desulfurizing industrial fume denitration dust collecting device，Including Industrial Boiler，Described Industrial Boiler is provided with fume emission mouth and air intlet，Described fume emission mouth connects the air inlet of SCR reactor，The air inlet of described SCR reactor is also connected with blender，Described blender connects diluent air air inlet fan and vaporizer respectively，Described vaporizer connects liquid ammonia storage tank，Air intlet on described Industrial Boiler connects preheater，Described preheater lower end connects pressure fan，The outlet side of described SCR reactor connects side, preheater upper end，Side, described preheater lower end connects electrostatic precipitator，Described electrostatic precipitator connects air-introduced machine，Described air-introduced machine connects desulfurizing tower，Described desulfurizing tower top connects chimney，Described desulfurizing tower inner tip is provided with demister，Described demister lower end is provided with shower，Described shower connects circulating pump group，Described circulating pump group connects regulating reservoir，Described regulating reservoir is provided with soda solution feed pipe，Described regulating reservoir linker substitution oxidation pond，Described desulfurizing tower lower end linker substitution oxidation pond，Described substitutionary oxydation pond is provided with roots blower，Described substitutionary oxydation pond connects apparatus for preparing desulphurizing agent，Described substitutionary oxydation pond connects concentration basin，Described concentration basin connects Pulp pump，Described slurry pump attachment strap filter，Described band filter lower end is provided with solid discharge and circulation pipe，Described circulation pipe connects regulating reservoir.
As further program of the utility model: be provided with catalyst layer in described SCR reactor, described catalyst layer is provided with three layers.
As further program of the utility model: be equipped with air intake duct in described pressure fan and diluent air air inlet fan.
As further program of the utility model: described circulating pump group is provided with three groups of circulating pumps.
As further program of the utility model: described band filter is vacuum belt filter.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction, and denitration desulfurized effect is good, technique is simple, can effectively reclaim heat carrying out when desulphurization denitration processes, it is to avoid the waste of energy, good dedusting effect, by by double alkali method desulfurizing, desulfurized effect is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of desulfurizing industrial fume denitration dust collecting device.
In figure: 1-Industrial Boiler, 2-diluent air pressure fan, 3-blender, 4-catalyst layer, 5-vaporizer, 6-control valve, 7-liquid ammonia storage tank, 9-SCR reactor, 10-preheater, 11-electrostatic precipitator, 12-air-introduced machine, 13-chimney, 14-demister, 15-shower, 16-circulating pump group, 17-apparatus for preparing desulphurizing agent, 18-soda solution feed pipe, 19-regulating reservoir, 20-concentration basin, 21-substitutionary oxydation pond, 22-Pulp pump, 23-roots blower, 24-solid discharge, 25-band filter, 26-pressure fan, 27-desulfurizing tower.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of desulfurizing industrial fume denitration dust collecting device，Including Industrial Boiler 1，Industrial Boiler 1 is provided with fume emission mouth and air intlet，Fume emission mouth connects the air inlet of SCR reactor 9，The air inlet of SCR reactor 9 is also connected with blender 3，Blender 3 connects diluent air air inlet fan 2 and vaporizer 5 respectively，Vaporizer 5 connects liquid ammonia storage tank 7，Air intlet on Industrial Boiler 1 connects preheater 10，Preheater 10 lower end connects pressure fan 26，The outlet side of SCR reactor 9 connects side, preheater 10 upper end，Side, preheater 10 lower end connects electrostatic precipitator 11，Electrostatic precipitator 11 connects air-introduced machine 12，Air-introduced machine 12 connects desulfurizing tower 27，Desulfurizing tower 27 top connects chimney 13，Desulfurizing tower 27 inner tip is provided with demister 14，Demister 14 lower end is provided with shower 15，Shower 15 connects circulating pump group 16，Circulating pump group 16 connects regulating reservoir 19，Regulating reservoir 19 is provided with soda solution feed pipe 18，Regulating reservoir 19 linker substitution oxidation pond 21，Desulfurizing tower 27 lower end linker substitution oxidation pond 21，Substitutionary oxydation pond 21 is provided with roots blower 23，Substitutionary oxydation pond 21 connects apparatus for preparing desulphurizing agent 17，Substitutionary oxydation pond 21 connects concentration basin 20，Concentration basin 20 connects Pulp pump 22，Pulp pump 22 connects band filter 25，Band filter 25 lower end is provided with solid discharge 24 and circulation pipe，Circulation pipe connects regulating reservoir 19，Catalyst layer 4 it is provided with in SCR reactor 9，Catalyst layer 4 is provided with three layers，It is equipped with air intake duct in pressure fan 26 and diluent air air inlet fan 2，Circulating pump group 16 is provided with three groups of circulating pumps，Band filter 25 is vacuum belt filter.
nullThis utility model simple in construction，Denitration desulfurized effect is good，Technique is simple，By SCR reactor and the design of desulfurizing tower，Effectively flue gas can be carried out desulphurization denitration process，Denitration desulfurized effect is good，Technique is simple，By the design of preheater，Can be in the heat recovery among flue gas to the air entering boiler，Achieve the recycling of heat，Heat can be effectively reclaimed when carrying out desulphurization denitration process，Avoid the waste of energy，By the design of electrostatic precipitator，Effectively flue gas is carried out dust removal process，Good dedusting effect，Limestone solution is prepared by apparatus for preparing desulphurizing agent，Limestone solution is passed in substitutionary oxydation pond and carries out redox reaction，The product generated is passed in concentration basin and concentrates，Substitutionary oxydation pond upper clear supernate is passed through in regulating reservoir，It is passed through soda solution again by soda solution feed pipe，Carry out alkalescence regulation，Solution after regulation is passed through in desulfurizing tower by circulating pump and the flue gas after dedusting is carried out desulfurization，Solution after reacting with sulfur dioxide is in being passed into substitutionary oxydation pond，Carry out redox reaction，In substitutionary oxydation pond, bottom slurry is siphoned away by Pulp pump，Filtered by band filter，Residue is operated by solid discharge，Solution after filtration is passed in regulating reservoir，Realization recycles，This utility model，Pass through double alkali method desulfurizing，Desulfurized effect is good，Heat can be effectively reclaimed when carrying out desulphurization denitration process，Avoid the waste of energy，Good dedusting effect，By passing through double alkali method desulfurizing，Desulfurized effect is good.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (5)
- null1. a desulfurizing industrial fume denitration dust collecting device，Including Industrial Boiler，Described Industrial Boiler is provided with fume emission mouth and air intlet，It is characterized in that，Described fume emission mouth connects the air inlet of SCR reactor，The air inlet of described SCR reactor is also connected with blender，Described blender connects diluent air air inlet fan and vaporizer respectively，Described vaporizer connects liquid ammonia storage tank，Air intlet on described Industrial Boiler connects preheater，Described preheater lower end connects pressure fan，The outlet side of described SCR reactor connects side, preheater upper end，Side, described preheater lower end connects electrostatic precipitator，Described electrostatic precipitator connects air-introduced machine，Described air-introduced machine connects desulfurizing tower，Described desulfurizing tower top connects chimney，Described desulfurizing tower inner tip is provided with demister，Described demister lower end is provided with shower，Described shower connects circulating pump group，Described circulating pump group connects regulating reservoir，Described regulating reservoir is provided with soda solution feed pipe，Described regulating reservoir linker substitution oxidation pond，Described desulfurizing tower lower end linker substitution oxidation pond，Described substitutionary oxydation pond is provided with roots blower，Described substitutionary oxydation pond connects apparatus for preparing desulphurizing agent，Described substitutionary oxydation pond connects concentration basin，Described concentration basin connects Pulp pump，Described slurry pump attachment strap filter，Described band filter lower end is provided with solid discharge and circulation pipe，Described circulation pipe connects regulating reservoir.
- Desulfurizing industrial fume denitration dust collecting device the most according to claim 1, it is characterised in that be provided with catalyst layer in described SCR reactor, described catalyst layer is provided with three layers.
- Desulfurizing industrial fume denitration dust collecting device the most according to claim 1, it is characterised in that be equipped with air intake duct in described pressure fan and diluent air air inlet fan.
- Desulfurizing industrial fume denitration dust collecting device the most according to claim 1, it is characterised in that described circulating pump group is provided with three groups of circulating pumps.
- Desulfurizing industrial fume denitration dust collecting device the most according to claim 1, it is characterised in that described band filter is vacuum belt filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247029.4U CN205659560U (en) | 2016-03-29 | 2016-03-29 | Industry flue gas desulfurization denitration dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247029.4U CN205659560U (en) | 2016-03-29 | 2016-03-29 | Industry flue gas desulfurization denitration dust collector |
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| CN205659560U true CN205659560U (en) | 2016-10-26 |
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| CN201620247029.4U Expired - Fee Related CN205659560U (en) | 2016-03-29 | 2016-03-29 | Industry flue gas desulfurization denitration dust collector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786402A (en) * | 2018-06-05 | 2018-11-13 | 佛山市易轩软件科技有限公司 | A kind of waste gas purification apparatus of environmental protection and energy saving |
-
2016
- 2016-03-29 CN CN201620247029.4U patent/CN205659560U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108786402A (en) * | 2018-06-05 | 2018-11-13 | 佛山市易轩软件科技有限公司 | A kind of waste gas purification apparatus of environmental protection and energy saving |
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| 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: 20161026 Termination date: 20170329 |