CN204338169U - Catalyst regeneration drying system - Google Patents
Catalyst regeneration drying system Download PDFInfo
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- CN204338169U CN204338169U CN201420814014.2U CN201420814014U CN204338169U CN 204338169 U CN204338169 U CN 204338169U CN 201420814014 U CN201420814014 U CN 201420814014U CN 204338169 U CN204338169 U CN 204338169U
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- drying box
- drying
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- catalyst regeneration
- temperature detection
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Abstract
The utility model provides a kind of catalyst regeneration drying system.This catalyst regeneration drying system comprises: drying unit, and drying unit comprises drying box; Cycling element, cycling element comprises circulation airduct and circulating fan, and the first end of circulation airduct stretches in drying box, and the second end of circulation airduct is connected with circulating fan, and circulating fan is arranged on drying box and the import of circulating fan is positioned at drying box; Exhaust branch pipe, exhaust branch pipe is connected on circulation airduct; Temperature control unit, temperature control unit comprises temperature detection part and break-make Control Component, temperature detection part is arranged on drying box top, and detect the temperature on drying box top, break-make Control Component is arranged on exhaust branch pipe, and be connected with temperature detection part, the break-make of exhaust branch pipe is controlled according to the metrical information of temperature detection part.This catalyst regeneration drying system effectively can discharge steam, improves drying efficiency.
Description
Technical field
The utility model relates to SCR catalyst reclaim equiment field, in particular to a kind of catalyst regeneration drying system.
Background technology
Along with NOx emission is day by day serious, the control that during " 12 ", China discharges nitrogen oxide (NOx) is more and more stricter, and SCR (SCR) denitration technology is widely used in the denitrating system of coal-burning power plant because having efficient, reliable denitration performance.In whole SCR denitration system, catalyst is core component, and the proportion accounted in equipment direct investment is larger.The mode of appearance of SCR denitration has honeycomb fashion, flat and corrugated.The catalyst module major part of SCR denitration system takes high dirt arrangement, the denitration performance running a period of time rear catalyst can decline, the reason of catalysqt deactivation is caused to have a lot, the impact of existing operating condition, the infringement that such as, dust in flue gas and temperature fluctuation cause catalyst macroscopic result, also have the effect of various poisonous and harmful chemical composition in flue gas, wherein the toxic action that has of arsenic element, alkali metal, alkaline-earth metal and metal oxide is the most obvious.These factors make be only 2--3 the service life of SCR denitration, and the initial investment of catalyst accounts for 40%-60% of SCR denitration system gross investment, and this is the running stores that catalyst becomes expensive.In addition the SCR catalyst of inactivation is not if suitably disposed toxic action human body and environment being caused to machine gun.If the catalyst of inactivation to be carried out regeneration process, SCR catalyst life cycle be can effectively extend, financial cost and toxic action reduced.Therefore regeneration is carried out to SCR denitration significant.
Catalyst drying is important step in catalyst regeneration process, the necessary bone dry of the catalyst after regeneration, and the steam produced in dry run needs discharge in time, otherwise can make dry incomplete, and rate of drying is slow.
Utility model content
Main purpose of the present utility model is to provide a kind of catalyst regeneration drying system, to solve the problem of catalyst regeneration drying system inner drying process high humidity of the prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of catalyst regeneration drying system, this catalyst regeneration drying system comprises: drying unit, and drying unit comprises drying box; Cycling element, cycling element comprises circulation airduct and circulating fan, and the first end of circulation airduct stretches in drying box, and the second end of circulation airduct is connected with circulating fan, and circulating fan is arranged on drying box and the import of circulating fan is positioned at drying box; Exhaust branch pipe, exhaust branch pipe is connected on circulation airduct; Temperature control unit, temperature control unit comprises temperature detection part and break-make Control Component, temperature detection part is arranged on drying box top, and detect the temperature on drying box top, break-make Control Component is arranged on exhaust branch pipe, and be connected with temperature detection part, the break-make of exhaust branch pipe is controlled according to the metrical information of temperature detection part.
Further, the first end of circulation airduct to stretch in drying box and is positioned at the bottom of drying box.
Further, circulation airduct comprises transverse fold section and vertical bending section, and transverse fold section is positioned at the bottom of vertical bending section, and the end away from vertical bending section of transverse fold section is the first end of circulation airduct.
Further, break-make Control Component comprises: electronic valve, and electronic valve is fixedly installed on exhaust branch pipe; Temp controlled meter, temp controlled meter is connected with temperature detection part, and controls the opening and closing of electronic valve according to the metrical information of temperature detection part.
Further, circulating fan is centrifugal induced draught fan.
Further, temperature detection part is temp probe, and temp probe is fixedly installed on the top of drying box, and detects the temperature of drying box internal upper part.
Further, heating arrangement is provided with in drying box.
Further, the bottom of drying box is provided with air inlet gap, and the sidewall of drying box is run through in air inlet gap.
Application the technical solution of the utility model, catalyst regeneration drying system comprises drying unit, cycling element, exhaust branch pipe and temperature control unit, and drying unit comprises drying box; Cycling element comprises circulation airduct and circulating fan, and the first end of circulation airduct stretches in drying box, and the second end of circulation airduct is connected with circulating fan, and circulating fan is arranged on drying box and the import of circulating fan is positioned at drying box; Temperature control unit comprises temperature detection part and break-make Control Component, temperature detection part is arranged on drying box top, and detect the temperature on drying box top, break-make Control Component is arranged on exhaust branch pipe, and be connected with temperature detection part, the break-make of exhaust branch pipe is controlled according to the metrical information of temperature detection part.Adopt this catalyst regeneration drying system can discharge steam in drying box, improve drying efficiency, reduce production cost.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic diagram of the catalyst regeneration drying system according to embodiment of the present utility model.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, drying box; 21, circulation airduct; 211, transverse fold section; 212, vertical bending section; 22, circulating fan; 31, electronic valve; 32, temp controlled meter.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 1, according to embodiment of the present utility model, catalyst regeneration drying system comprises drying unit, cycling element, exhaust branch pipe and temperature control unit, and drying unit comprises drying box 10; Cycling element comprises circulation airduct 21 and circulating fan 22, the first end of circulation airduct 21 stretches in drying box 10, second end of circulation airduct 21 is connected with circulating fan 22, and circulating fan 22 is arranged on drying box 10 and the import of circulating fan 22 is positioned at drying box 10; Temperature control unit comprises temperature detection part and break-make Control Component, temperature detection part is arranged on drying box 10 top, and detect the temperature on drying box 10 top, break-make Control Component is arranged on exhaust branch pipe, and be connected with temperature detection part, the break-make of exhaust branch pipe is controlled according to the metrical information of temperature detection part.Adopt this catalyst regeneration drying system can discharge steam in drying box 10, improve drying efficiency, reduce production cost.
This catalyst regeneration drying system can be used for the drying of the regeneration to SCR catalyst.
In the present embodiment, the first end of circulation airduct 21 to stretch in drying box 10 and is positioned at the bottom of drying box 10.The recycle heat up and down of drying box 10 can be conducive to like this, make the temperature homogeneity in drying box 10 better.
In the present embodiment, circulation airduct 21 comprises transverse fold section 211 and vertical bending section 212, and transverse fold section 211 is positioned at the bottom of vertical bending section 212, and the end away from vertical bending section 212 of transverse fold section 211 is the first end of circulation airduct 21.Transverse fold section 211 is set and is more conducive to air inlet, can noise be reduced simultaneously.
Preferably, in order to ensure drying efficiency, prevent temperature in drying box 10 too low, break-make Control Component comprises electronic valve 31 and temp controlled meter 32, and electronic valve 31 is fixedly installed on exhaust branch pipe; Temp controlled meter 32 is connected with temperature detection part, and controls the opening and closing of electronic valve 31 according to the metrical information of temperature detection part.When the temperature that temperature detection part detects is lower than design temperature, temp controlled meter 32 controls electronic valve 31 and closes, stop outwardly being vented, make gas at drying box 10 Inner eycle, circulation airduct 21 is no longer outwards vented by exhaust branch pipe, prevent temperature from reducing, until the temperature that temperature detection part detects is higher than setting value, electronic valve 31 is opened and is proceeded steam exhaust.
Wherein, circulating fan 22 is centrifugal induced draught fan.Centrifugal induced draught fan can effectively air draught, improves exhaust efficiency.
Wherein, temperature detection part is temp probe, gathers the temperature in drying box 10 by temp probe, avoids the too low impact of temperature dry.Temp probe is fixedly installed on the top of drying box 10, and detects the temperature of drying box 10 internal upper part.
In the present embodiment, the heating arrangement that casing is heated is provided with in drying box 10.Conveniently air inlet, the bottom of drying box 10 is provided with air inlet gap, and the sidewall of drying box 10 is run through in air inlet gap.
Adopt this catalyst regeneration drying system the steam in drying box 10 can be discharged, prevent steam from too much affecting drying effect, this structure is simple, convenient and functional reliability is high.
A kind of scr denitrating catalyst of device of the present utility model regenerative dryer system exhaust apparatus
Circulation airduct 21 is connected with exhaust branch pipe, exhaust branch pipe connects electronic valve 31, electronic valve 31 is electrically connected with temp controlled meter 32, temp controlled meter 32 controls opening with closed of electronic valve 31 according to the change of drying box 10 upper temp, realizes the automatic-discharging of steam when not affecting dry mass.
Get one case flat catalyst, volume is about 2.5m
3, put into drying box 10 after cleaning and regeneration and carry out drying, open air-introduced machine, after dry 10 hours, take out, catalyst bone dry.
Get one case cellular catalyst, volume is about 2m
3, put into drying box 10 after cleaning and regeneration and carry out drying, open air-introduced machine, after dry 6 hours, take out, catalyst bone dry.
From above description, can find out, the utility model the above embodiments achieve following technique effect: this catalyst regeneration drying system is simple to operate, rate of drying is fast, effective, can dry various forms of catalyst (corrugated, honeycomb fashion, board-like), and can automatic-discharging superfluous water steam.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. a catalyst regeneration drying system, is characterized in that, comprising:
Drying unit, described drying unit comprises drying box (10);
Cycling element, described cycling element comprises circulation airduct (21) and circulating fan (22), the first end of described circulation airduct (21) stretches in described drying box (10), second end of described circulation airduct (21) is connected with described circulating fan (22), and described circulating fan (22) is arranged on that described drying box (10) is upper and the import of described circulating fan (22) is positioned at described drying box (10);
Exhaust branch pipe, described exhaust branch pipe is connected on described circulation airduct (21);
Temperature control unit, described temperature control unit comprises temperature detection part and break-make Control Component, described temperature detection part is arranged on described drying box (10) top, and detect the temperature on described drying box (10) top, described break-make Control Component is arranged on described exhaust branch pipe, and be connected with described temperature detection part, the break-make of described exhaust branch pipe is controlled according to the metrical information of described temperature detection part.
2. catalyst regeneration drying system according to claim 1, is characterized in that, the first end of described circulation airduct (21) to stretch in described drying box (10) and is positioned at the bottom of described drying box (10).
3. catalyst regeneration drying system according to claim 2, it is characterized in that, described circulation airduct (21) comprises transverse fold section (211) and vertical bending section (212), described transverse fold section (211) is positioned at the bottom of described vertical bending section (212), and the end away from described vertical bending section (212) of described transverse fold section (211) is the first end of described circulation airduct (21).
4. catalyst regeneration drying system according to claim 1, is characterized in that, described break-make Control Component comprises:
Electronic valve (31), described electronic valve (31) is fixedly installed on described exhaust branch pipe;
Temp controlled meter (32), described temp controlled meter (32) is connected with described temperature detection part, and controls the opening and closing of described electronic valve (31) according to the metrical information of described temperature detection part.
5. catalyst regeneration drying system according to claim 1, is characterized in that, described circulating fan (22) is centrifugal induced draught fan.
6. catalyst regeneration drying system according to claim 1, it is characterized in that, described temperature detection part is temp probe, and described temp probe is fixedly installed on the top of described drying box (10), and detects the temperature of described drying box (10) internal upper part.
7. catalyst regeneration drying system according to claim 1, is characterized in that, described drying box is provided with heating arrangement in (10).
8. catalyst regeneration drying system according to claim 1, is characterized in that, the bottom of described drying box (10) is provided with air inlet gap, and the sidewall of described drying box (10) is run through in described air inlet gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420814014.2U CN204338169U (en) | 2014-12-18 | 2014-12-18 | Catalyst regeneration drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420814014.2U CN204338169U (en) | 2014-12-18 | 2014-12-18 | Catalyst regeneration drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204338169U true CN204338169U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420814014.2U Expired - Fee Related CN204338169U (en) | 2014-12-18 | 2014-12-18 | Catalyst regeneration drying system |
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| Country | Link |
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| CN (1) | CN204338169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588216A (en) * | 2020-11-18 | 2021-04-02 | 苏州西热节能环保技术有限公司 | System and method for controlling and stabilizing temperature reduction after catalyst regeneration drying or roasting |
-
2014
- 2014-12-18 CN CN201420814014.2U patent/CN204338169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588216A (en) * | 2020-11-18 | 2021-04-02 | 苏州西热节能环保技术有限公司 | System and method for controlling and stabilizing temperature reduction after catalyst regeneration drying or roasting |
| CN112588216B (en) * | 2020-11-18 | 2023-11-10 | 苏州西热节能环保技术有限公司 | System and method for controlling stable cooling after catalyst regeneration drying or roasting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanxi Xin Yuan environmental protection science and technology Ltd. Assignor: BEIJING SHENGXIN QIANYUAN TECHNOLOGY CO.,LTD. Contract record no.: X2019990000263 Denomination of utility model: Drying system for regeneration of catalysts Granted publication date: 20150520 License type: Exclusive License Record date: 20191220 |
|
| 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: 20150520 Termination date: 20211218 |