CN204064002U - A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln - Google Patents
A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln Download PDFInfo
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- CN204064002U CN204064002U CN201420496034.XU CN201420496034U CN204064002U CN 204064002 U CN204064002 U CN 204064002U CN 201420496034 U CN201420496034 U CN 201420496034U CN 204064002 U CN204064002 U CN 204064002U
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- waste discharge
- discharge pipeline
- electrical heating
- blower fan
- pipeline
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Abstract
The utility model discloses a kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln, be connected with electrical heating mesh-belt kiln, described modified waste discharge pipeline comprises the first waste discharge pipeline and the second waste discharge pipeline that are connected with the high temperature section of electrical heating mesh-belt kiln and low temperature section, the the first waste discharge blower fan be connected with the first waste discharge pipeline, the the second waste discharge blower fan be connected with the second waste discharge pipeline, be arranged at first on the first waste discharge pipeline and mix cold wind pneumatic operated valve, first waste discharge pipeline cleaning mouth and the first thiamines floss hole, and be located at second on the second waste discharge pipeline and mix cold wind pneumatic operated valve, second waste discharge pipeline cleaning mouth and the second thiamines floss hole.The utility model by two independently waste discharge pipeline is connected with high temperature section and low temperature section, achieve accurately control thiamines set point, make thiamines be easy to clear up, avoid the blocking of pipeline.
Description
Technical field
The utility model relates to SCR denitration production technical field, more particularly, and particularly a kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln.
Background technology
Due to mankind's activity and economic fast development, China's environment is seriously damaged, extreme climate showed increased, causes serious threat, cause heavy losses to country to people's life and property, hinders the sustainable development of national economy simultaneously.Country has also paid huge cost in order to Environment control.
The current discharged nitrous oxides total amount of China is more than 1,800 ten thousand tons, and if do not taked effective control measure, continuation increases by Future Ten 5 years Chinese nitrogen oxide emissions, may reach more than 3,000 ten thousand tons to the year two thousand twenty.And China is coal-fired big country, coal-burning power plant is the primary emission source of nitrogen oxide, accounts for 40% of total amount, will become the first batch of control object of country.
Honeycomb ceramics SCR denitration Main Function converts the NOX in discharging waste gas to nitrogen and steam, to reach environmental emission standard.
SCR device is primarily of two large main body compositions: remove agent preparation system and reactor body.By spraying into reactant NH3 in reactor, NOX is reduced to nitrogen.Because this reduction reaction is comparatively responsive to temperature, therefore catalyst need be added with intensified response activity, meet the temperature requirement of reaction.
Honeycomb fashion SCR denitration main component generally comprises nano-TiO
2, V
2o
5and WO
3.Shared by these three kinds of compositions, catalyst ratio is more than 95 ﹪, and TiO
2proportion is generally 80% ~ 85%.In order to meet production technology needs, ensureing easily extruded, also needing in addition to increase some mixture additives such as viscose glue and glass fibre to increase pug intensity and mobility, adjusting its physical property.Due to these compositions stir mixing rear mobility and plasticity poor, shaping difficulty is larger.
A large amount of NH can be given off during the calcining of this product
3, SO
3deng corrosive gas and compound hydrogen sulfate ammonia thereof, solid-state lower than condensing into after uniform temperature, adhesiveness is extremely strong, and traditional exhaust emission pipe can often block, and cleaning difficulty is very large, the quality of impact production and product.Therefore, a kind of structure that accurately can control thiamines set point, avoid blocking pipe of necessary design.
Utility model content
The modified waste discharge pipeline of the honeycomb SCR denitration electrical heating mesh-belt kiln that the purpose of this utility model is to provide a kind of accurately can control thiamines set point, avoid blocking pipe.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln, be connected with electrical heating mesh-belt kiln, described modified waste discharge pipeline comprises the first waste discharge pipeline and the second waste discharge pipeline that are connected with the high temperature section of electrical heating mesh-belt kiln and low temperature section, the the first waste discharge blower fan be connected with the first waste discharge pipeline, the the second waste discharge blower fan be connected with the second waste discharge pipeline, be arranged at first on the first waste discharge pipeline and mix cold wind pneumatic operated valve, first waste discharge pipeline cleaning mouth and the first thiamines floss hole, and be located at second on the second waste discharge pipeline and mix cold wind pneumatic operated valve, second waste discharge pipeline cleaning mouth and the second thiamines floss hole.
Preferably, also comprise the first thermocouple of the import department being installed on the first waste discharge blower fan, be installed on the first jettron valve in the exit of the first waste discharge blower fan, be installed on the second thermocouple of the import department of the second waste discharge blower fan, and be installed on the second jettron valve in exit of the second waste discharge blower fan.
Preferably, also comprise the first pressure detector be installed on the first waste discharge pipeline, and be installed on the second pressure detector on the second waste discharge pipeline.
Preferably, described first waste discharge pipeline and the second waste discharge pipeline are acclivitous pipeline configuration.
Preferably, described first waste discharge pipeline is made up of many first stainless steel pipes and the first flange, and described first stainless steel pipes is connected with the first flange; Described second waste discharge pipeline is made up of many second stainless steel pipes and the second flange, and described second stainless steel pipes is connected with the second flange.
Preferably, also comprise the first frequency converter be connected with described first waste discharge blower fan, the second frequency converter be connected with the second waste discharge blower fan, described first frequency converter is all connected with a PLC automatic control system with the second frequency converter, and described PLC automatic control system is also connected with the first pressure detector, the second pressure detector, the first thermocouple, the second thermocouple, the first jettron valve and the second jettron valve.
Compared with prior art, the utility model has the advantage of: the utility model by two independently waste discharge pipeline is connected with high temperature section and low temperature section, achieve accurately control thiamines set point, make thiamines be easy to clear up, avoid the blocking of pipeline.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the front view of the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln described in the utility model.
Fig. 2 is the top view of the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln described in the utility model.
In Fig. 3,3a and 3b is the structural representation of the first waste discharge blower fan and the second waste discharge blower fan in the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln described in the utility model respectively.
Description of reference numerals: 1, the first waste discharge pipeline, the 2, second waste discharge pipeline, 3, first mixes cold wind pneumatic operated valve, 4, the first waste discharge pipeline cleaning mouth, the 5, first pressure detector, the 6, second waste discharge pipeline cleaning mouth, 7, the second pressure detector, 8, second mixes cold wind pneumatic operated valve, the 9, first flange, 10, the second flange, the 11, first waste discharge blower fan, the 12, second waste discharge blower fan, 13, the first thermocouple, 14, the first jettron valve, the 15, second thermocouple, the 16, second jettron valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Consult shown in Fig. 1-Fig. 3, the utility model provides a kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln, be connected with electrical heating mesh-belt kiln, described modified waste discharge pipeline comprises the first waste discharge pipeline 1 and the second waste discharge pipeline 2 be connected with the high temperature section of electrical heating mesh-belt kiln and low temperature section, the the first waste discharge blower fan 11 be connected with the first waste discharge pipeline 1, the the second waste discharge blower fan 12 be connected with the second waste discharge pipeline 2, be arranged at first on the first waste discharge pipeline 1 and mix cold wind pneumatic operated valve 3, first waste discharge pipeline cleaning mouth 4 and the first thiamines floss hole, and be located at second on the second waste discharge pipeline 2 and mix cold wind pneumatic operated valve 8, second waste discharge pipeline cleaning mouth 6 and the second thiamines floss hole.
The utility model is mixed cold wind pneumatic operated valve 3 and second mix cold wind pneumatic operated valve 8 owing to being provided with first, cold blast rate on the one hand namely by regulating the first waste discharge pipeline 1 and the second waste discharge pipeline 2 to suck from the external world, control speed and the place of thiamines condensation, avoid thiamines at blower fan place condensation blocking blower fan; On the other hand, being provided with thiamines point discharge device (i.e. the first thiamines floss hole and the second thiamines floss hole) in the below of the first waste discharge pipeline 1 and the second waste discharge pipeline 2, by controlling the temperature of pipeline, thiamines being condensed at thiamines floss hole place.When thiamines is agglomerated to a certain degree at the first thiamines floss hole and the second thiamines floss hole place, open the valve below corresponding thiamines floss hole, catch the thiamines of drippage in below with container, and the first waste discharge pipeline cleaning mouth 4 and the second waste discharge pipeline cleaning mouth 6 one by one above opening conduits, with scoop, thiamines is progressively shoveled corresponding clean-up port place to fall, complete the cleaning of thiamines.
Consult shown in Fig. 3 a and Fig. 3 b, the utility model also comprises the first thermocouple 13 of the import department being installed on the first waste discharge blower fan 11, be installed on the first jettron valve 14 in the exit of the first waste discharge blower fan 11, be installed on the second thermocouple 15 of the import department of the second waste discharge blower fan 12, and be installed on the second jettron valve 16 in exit of the second waste discharge blower fan 12.And comprise the first pressure detector 5 be installed on the first waste discharge pipeline 1, and be installed on the second pressure detector 7 on the second waste discharge pipeline 2.
Wherein, first jettron valve 14 and the second jettron valve 16 are by automatically controlling relevant PAU+FCU system service requirement, in the import department of blower fan, corresponding thermocouple is housed and carries out flue-gas temperature detection, and use supporting DCS industrial computer automatically to control to mix accordingly the aperture of cold wind pneumatic operated valve, and then the cold blast rate controlling to mix is to control fan outlet flue-gas temperature.
As preferably, the first waste discharge pipeline 1 described in the present embodiment and the second waste discharge pipeline 2 are acclivitous pipeline configuration.
As preferably, the first waste discharge pipeline 1 described in the present embodiment is made up of many first stainless steel pipes and the first flange 9, and the first described stainless steel pipes is connected with the first flange 9; The second described waste discharge pipeline 2 is made up of many second stainless steel pipes and the second flange 10, and the second described stainless steel pipes is connected with the second flange 10.
If thiamines causes obstruction at waste discharge pipeline, then needing, by dismantling corresponding flange, waste discharge pipeline to be pulled down, again loading onto after clean with tap water; The present embodiment is provided with movable deashing peep hole in the both sides of each blower fan, first open to observe on impeller and whether amass with thiamines solid matter, if have, rinse impeller with running water by peep hole, waste water is discharged by the lower water valve simultaneously opened below blower fan, after rinsing well, wait for that in fan casing, peep hole closes after draining off by waste water again.
Concrete, in order to realize automatic control, the utility model also can comprise the first frequency converter be connected with the first described waste discharge blower fan 11, the second frequency converter be connected with the second waste discharge blower fan 12, the first described frequency converter is all connected with a PLC automatic control system with the second frequency converter, described PLC automatic control system also with the first pressure detector 5, second pressure detector 7, first thermocouple 13, second thermocouple 15, first jettron valve 14 is connected with the second jettron valve 16, namely PLC automatic control system carrys out the open and close of autocontrol valve by the force value of detection or the numerical value of thermocouple.
Although describe embodiment of the present utility model by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection domain described by claim of the present utility model, all should within protection domain of the present utility model.
Claims (6)
1. the modified waste discharge pipeline of a honeycomb SCR denitration electrical heating mesh-belt kiln, be connected with electrical heating mesh-belt kiln, it is characterized in that: described modified waste discharge pipeline comprises the first waste discharge pipeline (1) and the second waste discharge pipeline (2) that are connected with the high temperature section of electrical heating mesh-belt kiln and low temperature section, the the first waste discharge blower fan (11) be connected with the first waste discharge pipeline (1), the the second waste discharge blower fan (12) be connected with the second waste discharge pipeline (2), be arranged at first on the first waste discharge pipeline (1) and mix cold wind pneumatic operated valve (3), first waste discharge pipeline cleaning mouth (4) and the first thiamines floss hole, and be located at second on the second waste discharge pipeline (2) and mix cold wind pneumatic operated valve (8), second waste discharge pipeline cleaning mouth (6) and the second thiamines floss hole.
2. the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln according to claim 1, it is characterized in that: the first thermocouple (13) also comprising the import department being installed on the first waste discharge blower fan (11), be installed on the first jettron valve (14) in the exit of the first waste discharge blower fan (11), be installed on second thermocouple (15) of the import department of the second waste discharge blower fan (12), and be installed on the second jettron valve (16) in exit of the second waste discharge blower fan (12).
3. the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln according to claim 2, it is characterized in that: also comprise the first pressure detector (5) be installed on the first waste discharge pipeline (1), and be installed on the second pressure detector (7) on the second waste discharge pipeline (2).
4. the modified waste discharge pipeline of the honeycomb SCR denitration electrical heating mesh-belt kiln according to claim 1-3 any one, is characterized in that: described first waste discharge pipeline (1) and the second waste discharge pipeline (2) are acclivitous pipeline configuration.
5. the modified waste discharge pipeline of the honeycomb SCR denitration electrical heating mesh-belt kiln according to claim 1-3 any one, it is characterized in that: described first waste discharge pipeline (1) is made up of many first stainless steel pipes and the first flange (9), and described first stainless steel pipes is connected with the first flange (9); Described second waste discharge pipeline (2) is made up of many second stainless steel pipes and the second flange (10), and described second stainless steel pipes is connected with the second flange (10).
6. the modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln according to claim 3, it is characterized in that: also comprise the first frequency converter be connected with described first waste discharge blower fan (11), the second frequency converter be connected with the second waste discharge blower fan (12), described first frequency converter is all connected with a PLC automatic control system with the second frequency converter, described PLC automatic control system also with the first pressure detector (5), second pressure detector (7), first thermocouple (13), second thermocouple (15), first jettron valve (14) is connected with the second jettron valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496034.XU CN204064002U (en) | 2014-08-29 | 2014-08-29 | A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496034.XU CN204064002U (en) | 2014-08-29 | 2014-08-29 | A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln |
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| Publication Number | Publication Date |
|---|---|
| CN204064002U true CN204064002U (en) | 2014-12-31 |
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|---|---|---|---|
| CN201420496034.XU Expired - Fee Related CN204064002U (en) | 2014-08-29 | 2014-08-29 | A kind of modified waste discharge pipeline of honeycomb SCR denitration electrical heating mesh-belt kiln |
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|---|---|
| CN (1) | CN204064002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440648A (en) * | 2022-01-14 | 2022-05-06 | 国能龙源催化剂江苏有限公司 | Method for purifying waste gas of denitration catalyst production kiln pipeline |
| CN114459255A (en) * | 2022-01-04 | 2022-05-10 | 国能龙源催化剂江苏有限公司 | Kiln exhaust method capable of avoiding generation of liquid ammonium bisulfate |
-
2014
- 2014-08-29 CN CN201420496034.XU patent/CN204064002U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459255A (en) * | 2022-01-04 | 2022-05-10 | 国能龙源催化剂江苏有限公司 | Kiln exhaust method capable of avoiding generation of liquid ammonium bisulfate |
| CN114459255B (en) * | 2022-01-04 | 2023-08-08 | 国能龙源催化剂江苏有限公司 | Kiln exhaust method capable of avoiding liquid ammonium bisulfate |
| CN114440648A (en) * | 2022-01-14 | 2022-05-06 | 国能龙源催化剂江苏有限公司 | Method for purifying waste gas of denitration catalyst production kiln pipeline |
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| 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: 20141231 Termination date: 20210829 |