CN203862253U - SCR denitration catalyst regenerating and deashing device - Google Patents
SCR denitration catalyst regenerating and deashing device Download PDFInfo
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- CN203862253U CN203862253U CN201420307306.7U CN201420307306U CN203862253U CN 203862253 U CN203862253 U CN 203862253U CN 201420307306 U CN201420307306 U CN 201420307306U CN 203862253 U CN203862253 U CN 203862253U
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- lower half
- rinse bath
- regenerating
- removing device
- denitrating catalyst
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Abstract
An SCR denitration catalyst regenerating and deashing device comprises a cleaning tank, a meshed basket, a vortex spraying assembly and a device support. The cleaning tank is arranged on the device support and comprises an upper half portion and a lower half portion, the meshed basket is located in the upper half portion of the cleaning groove, the vortex spraying assembly comprises a vortex nozzle and a centrifugal pump, the vortex nozzle is arranged below the meshed basket, the centrifugal pump is located outside the cleaning groove and is connected to the vortex nozzle through a fluid discharging pipe, a fluid incoming pipe of the centrifugal pump is connected to the lower half portion of the cleaning tank, the lower half portion is provided with a filtering assembly inside, and the filtering assembly comprises a filtering net and a slag discharging pipe. Thus, the device is capable of flushing pores of catalyst, efficient regenerating and deashing are implemented conveniently, catalyst damage is less, the cleaning fluid can be reused, energy consumption is reduced effectively, and the resource utilization rate is increased.
Description
Technical field
The utility model relates to the technical field of SCR denitrating catalyst regeneration, relates in particular to a kind of SCR denitrating catalyst ash removing device for regenerating.
Background technology
Nitrogen oxide is one of major pollutants in atmosphere, due to its wide material sources, environment and the ecosystem is had to very large threat, and therefore harm humans life and health even becomes the atmosphere pollution of priority control.In numerous nitrogen oxide control technologys, SCR denitration technology is owing to having good selective, high efficiency and stability, therefore become application in the world at most, the most ripe a kind of gas denitrifying technology, the core of this technology is SCR denitrating catalyst.
Yet in use, catalyst tends to be subject to the impact of severe operating condition, produce poisoning, carbon deposit, dust stratification, sintering of catalyst, surface and form hydrate, loss of active component and mechanical wear etc., the effect of these factors all will cause catalysqt deactivation.When its activity drops to can not meet the requiring of SCR entire system denitration performance time, just need more catalyst changeout.And if can make the SCR denitrating catalyst of inactivation regenerate, again improve or activity recovery, the SCR denitrating catalyst of inactivation is re-used, will greatly save the cost of use of catalyst so, also avoid producing the expense of processing discarded SCR denitrating catalyst simultaneously.
Therefore, the regeneration of SCR denitrating catalyst is for the operating cost that reduces SCR system, and the economic benefit that improves SCR gas denitrifying technology has important practical significance.
In the prior art, as a kind of cleaning regenerating unit is provided in Chinese utility model patent CN201445960U, this device is mainly to utilize the aspiration of negative pressure and Ultrasonic Cleaning to catalyst, but the technique of this structure is comparatively complicated, and for the dust treatment effect in duct also very a little less than; In addition, ultrasonic cleaning, when removing solid impurity, can, to damaging the intensity of catalyst self, make the catalyst shortening in service life after regeneration.Another kind of denitrating catalyst ash removing device for regenerating is provided in another Chinese utility model patent CN202315706U, it is mainly to utilize brushing to stretch into inside, honeycomb catalyst space to clean, and this kind of device is difficult to be applied to board-like catalyst and serious honeycomb catalyst is stopped up in duct; And, because the duct of honeycomb catalyst is square, if by this technology, stretches into duct and carry out clean brushing by having a strong impact on the duct inwall intensity of honeycomb catalyst, cause the catalytic effect of catalyst sharply to decline.
As can be seen here, while SCR denitrating catalyst being regenerated to deashing in prior art, easily cause the intensity of catalyst to cause damage, shorten the service life of regenerated catalyst, and energy consumption is high, technological process is complicated, regeneration cost is improved, be unfavorable for large-scale industrial production.
For this reason, designer of the present utility model is because above-mentioned defect, by concentrating on studies and designing, is comprehensively engaged in for a long time experience and the achievement of related industry for many years, and research and design goes out a kind of SCR denitrating catalyst ash removing device for regenerating, to overcome above-mentioned defect.
Utility model content
Problem to be solved in the utility model is: while SCR denitrating catalyst being regenerated to deashing in prior art, easily cause the intensity of catalyst to cause damage, shorten the service life of regenerated catalyst, and energy consumption is high, technological process is complicated, regeneration cost is improved, be unfavorable for large-scale industrial production.
For addressing the above problem, the utility model discloses a kind of SCR denitrating catalyst ash removing device for regenerating, at least comprise rinse bath, basket, vortex spray assembly and appliance stand, described rinse bath is arranged on described appliance stand, it is characterized in that:
Described rinse bath comprises the first half and Lower Half, the upper end open of the described first half, and lower end is connected in described Lower Half, and described basket is positioned at the first half of rinse bath;
Described vortex spray assembly comprises cyclone showerhead and centrifugal pump, described cyclone showerhead is arranged at the below of basket, described centrifugal pump is positioned at the outside of described rinse bath and is connected in described cyclone showerhead by drain pipe, and the feed tube of described centrifugal pump is connected in the Lower Half of described rinse bath.
Wherein: described cyclone showerhead is that a plurality of nozzle diameters are the cyclone showerhead of 4～7mm.
Wherein: each cyclone showerhead is that multiple row be arranged in parallel.
Wherein: the quantity of every row cyclone showerhead is 16～22, in every row, the centre-to-centre spacing of each cyclone showerhead is 6～9mm.
Wherein: described rinse bath is " protruding " character form component, the cross section of its first half is less than the cross section of Lower Half, and in Lower Half, be provided with filter assemblies, described filter assemblies comprises filter screen and scum pipe, the Lower Half that described filter screen vertically arranges described rinse bath to be separated out the isolated cavity that is positioned at the filtering area below the first half and is positioned at filtering area outside in Lower Half, the feed tube of described centrifugal pump is connected in the isolated cavity of described rinse bath, and described scum pipe is positioned at the centre position, bottom of described rinse bath Lower Half to discharge waste residue.
Wherein: described Lower Half is rectangle, the described first half is that length is less than Lower Half and width equals the rectangle of Lower Half, described basket is also rectangle, thereby described filter screen comprises two filter screens that are positioned at Lower Half both sides, in the both sides of Lower Half, forms isolated cavity.
Wherein: the described first half is that diameter is less than the cylindric of Lower Half diameter, described basket is also cylindrical shape, thereby described filter screen is diameter, equal the cylindric at the annular isolated cavity of Lower Half cylindraceous outside formation of the first half, the feed tube of described centrifugal pump is connected in the isolated cavity of described rinse bath.
Wherein: the Lower Half of described rinse bath is also provided with liquid-feeding tube and discharging tube, described liquid-feeding tube is positioned at discharging tube top and is respectively equipped with charging valve and tapping valve.
Wherein: described filter screen adopts double-decker.
Known by said structure, the utility model has been realized following technique effect:
1, convenient mobile, can carry out fast transportation and movement by vehicle-mounted, can be used for the situ regeneration of catalysis, avoid cost consumption and the damage to catalyst strength in transportation, shortened the catalyst regeneration time;
2, by the combination of centrifugal pump and cyclone showerhead, the duct of catalyst is washed away, realized simple and direct efficient regeneration deashing, and less to the damage of catalyst itself;
3, install the residue that filter screen can effectively be isolated wash-out additional, cleaning fluid can be recycled, thereby effectively reduce energy consumption, improve the utilization rate of resource, avoided the pollution of waste liquid to environment simultaneously, guaranteed environmental protection efficacy.
Detailed content of the present utility model can obtain by explanation described later and institute's accompanying drawing.
Accompanying drawing explanation
Fig. 1 has shown the structural representation of the utility model SCR denitrating catalyst ash removing device for regenerating.
Fig. 2 has shown the top view of the utility model one embodiment.
The specific embodiment
Referring to Fig. 1, shown SCR denitrating catalyst ash removing device for regenerating of the present utility model.
This SCR denitrating catalyst ash removing device for regenerating at least comprises rinse bath 1, basket 21, vortex spray assembly and appliance stand 8.
Described rinse bath 1 is arranged on described appliance stand 8, to be carried on suitable position by appliance stand 8.
Described rinse bath 1 can comprise the first half and Lower Half, the upper end open of the described first half, lower end is connected in described Lower Half, and described basket 21 is positioned at the first half of rinse bath 1, preferably, support 22 support and connection that described basket 21 passes through outer rim are on the inwall of rinse bath 1.
Described vortex spray assembly comprises cyclone showerhead 31 and centrifugal pump 32, wherein, described cyclone showerhead 31 is arranged at the below of basket 21, described centrifugal pump 32 is positioned at the outside of described rinse bath 1 and is connected in described cyclone showerhead 31 by drain pipe 34, and the feed tube 33 of described centrifugal pump 32 is connected in the Lower Half of described rinse bath 1.
Wherein, referring to Fig. 2, described cyclone showerhead 31 can be the cyclone showerhead 31 that a plurality of nozzle diameters are 4～7mm, each cyclone showerhead 31 can be multiple row and be arranged in parallel, and the quantity of every row cyclone showerhead 31 is 16～22, and in every row, the centre-to-centre spacing of each cyclone showerhead 31 is 6～9mm, integral body can be arranged by quadrate
Thus, can put into cleaning fluid in the Lower Half of rinse bath 1, by vortex, spray assembly to the deashing of regenerating of the SCR denitrating catalyst in basket 21, to realize recycling of SCR denitrating catalyst.
Wherein, described rinse bath 1 can be " protruding " character form component, the cross section of its first half is less than the cross section of Lower Half, and in Lower Half, be provided with filter assemblies, described filter assemblies comprises filter screen 61 and scum pipe 71, the Lower Half that described filter screen 61 is vertically arranged at described rinse bath 1 to be separated out the isolated cavity 62 that is positioned at the filtering area below the first half and is positioned at filtering area outside in Lower Half, described scum pipe 71 is positioned at the centre position, bottom of described rinse bath 1 Lower Half, to discharge waste residue, preferably, the bottom of described rinse bath 1 Lower Half is skewed to centre, so that waste residue is to the movement of scum pipe 71, wherein, scum pipe 71 is provided with controls the residual cake valve 72 of opening, to facilitate, collect and discharge residue.
Optionally, described filter screen 61 adopts double-deckers and can change, can filtering solution in varigrained residue.
In the embodiment shown in Figure 2, described Lower Half can be rectangle, the described first half can be that length is less than Lower Half and width equals the rectangle of Lower Half, described basket 21 is also rectangle, described filter screen 61 comprises two filter screens 61 that are positioned at Lower Half both sides, thereby at Lower Half middle part, form and filtering area corresponding to first half cross section, the both sides of filtering area form isolated cavity 62, and the feed tube 33 of described centrifugal pump 32 is connected in the isolated cavity 62 of described rinse bath 1.
In another embodiment, the described first half can be diameter and is less than the cylindric of Lower Half diameter, described basket 21 is also cylindrical shape, described filter screen 61 equals the cylindric of the first half for diameter, thereby form and circular filtering area corresponding to first half cross section at Lower Half cylindraceous middle part, at the isolated cavity 62 of the exterior annular of circular filtering area, the feed tube 33 of described centrifugal pump 32 is connected in the isolated cavity 62 of described rinse bath 1.
Wherein, described rinse bath 1 Lower Half is also provided with liquid-feeding tube 41 and discharging tube 51, described liquid-feeding tube 41 and discharging tube 51 are all positioned at the same side and are communicated with isolated cavity 62, and described liquid-feeding tube 41 is positioned at discharging tube 51 tops, and by charging valve 42 and tapping valve 52, is controlled unlatching respectively.
Preferably, described rinse bath 1 inwall, basket 21, support 22, cyclone showerhead 31, centrifugal pump 32, fluid pipeline (33,34,41,51,71 etc.), control valve (42,52,72 etc.) and filter screen 61 etc. all should adopt acid and alkali resistance, salt and organic solvent erosion material processing and fabricating or carry out anti-corrosion spray processing, as adopted SUS316L stainless steel or rust prevention by applying liquid material paint.
When needs are regenerated deashing to SCR denitrating catalyst, can first to the interior injection liquid level of rinse bath 1, approach the cleaning fluid of liquid-feeding tube 41 mouths of pipe; Secondly, catalyst after compressed air is purged is put into basket 21, and open centrifugal pump 32, by pipeline 33 and 34, the cleaning fluid in isolated cavity 62 is filled with in cyclone showerhead 31, cyclone showerhead 31 tops are washed away the dirt in catalyst duct producing high pressure swirl liquid jet, cleaning fluid after washing away can be isolated the residue of wash-out by filter screen 61, and clean cleaning fluid enters in cavity 62 again, continues to recycle; Finally, after regeneration deashing finishes, SCR denitrating catalyst is taken out, and change to another batch, until the beneficiating ingredient in cleaning fluid during lower than certain standard, is opened charging valve 42 and add disappearance component in rinse bath 1; Harmful constituent in cleaning fluid is during higher than certain standard, open tapping valve 43 effluent discharges (these waste liquids are reusable edible after sedimentation is processed), open residual cake valve 72 simultaneously and discharge residue, can rinse out the residue being attached on rinse bath 1 inwall for water if desired.
When to honeycomb catalyst regeneration deashing, can, by adjusting diameter and the centre-to-centre spacing of cyclone showerhead, reach the object for channel orientation deashing; Centrifugal pump can be by adjusting rotary speed to control the intensity of the liquid stream that cyclone showerhead was ejected; Filter screen adopts double-deck and interchangeable, can filtering solution in varigrained residue; The parts that contact with liquid, as rinse bath inwall, basket, cyclone showerhead, centrifugal pump, fluid pipeline and valve etc., all have acidproof, alkaline-resisting, salt tolerant, organic solvent resistance, or inwall has the coating of acidproof, alkaline-resisting, salt tolerant, organic solvent-resistant.
As can be seen here, the utility model has the advantage of:
1, convenient mobile, can carry out fast transportation and movement by vehicle-mounted, can be used for the situ regeneration of catalysis, avoid cost consumption and the damage to catalyst strength in transportation, shortened the catalyst regeneration time;
2, by the combination of centrifugal pump and cyclone showerhead, the duct of catalyst is washed away, realized simple and direct efficient regeneration deashing, and less to the damage of catalyst itself;
3, install the residue that filter screen can effectively be isolated wash-out additional, cleaning fluid can be recycled, thereby effectively reduce energy consumption, improve the utilization rate of resource, avoided the pollution of waste liquid to environment simultaneously, guaranteed environmental protection efficacy.
It is evident that above description and to record be only for example rather than in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the optimal mode that the utility model does not limit by accompanying drawing example and the conduct of describing is in an embodiment thought to be at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of the description that falls into above and appended claim.
Claims (9)
1. a SCR denitrating catalyst ash removing device for regenerating, at least comprises rinse bath, basket, vortex spray assembly and appliance stand, and described rinse bath is arranged on described appliance stand, it is characterized in that:
Described rinse bath comprises the first half and Lower Half, the upper end open of the described first half, and lower end is connected in described Lower Half, and described basket is positioned at the first half of rinse bath;
Described vortex spray assembly comprises cyclone showerhead and centrifugal pump, described cyclone showerhead is arranged at the below of basket, described centrifugal pump is positioned at the outside of described rinse bath and is connected in described cyclone showerhead by drain pipe, and the feed tube of described centrifugal pump is connected in the Lower Half of described rinse bath.
2. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 1, is characterized in that: described cyclone showerhead is that a plurality of nozzle diameters are the cyclone showerhead of 4～7mm.
3. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 2, is characterized in that: each cyclone showerhead is that multiple row be arranged in parallel.
4. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 3, is characterized in that: the quantity of every row cyclone showerhead is 16～22, and in every row, the centre-to-centre spacing of each cyclone showerhead is 6～9mm.
5. as the SCR denitrating catalyst ash removing device for regenerating as described in arbitrary in claim 1-4, it is characterized in that: described rinse bath is " protruding " character form component, the cross section of its first half is less than the cross section of Lower Half, and in Lower Half, be provided with filter assemblies, described filter assemblies comprises filter screen and scum pipe, the Lower Half that described filter screen is vertically arranged at described rinse bath to be separated out the isolated cavity that is positioned at the filtering area below the first half and is positioned at filtering area outside in Lower Half, the feed tube of described centrifugal pump is connected in the isolated cavity of described rinse bath, described scum pipe is positioned at the centre position, bottom of described rinse bath Lower Half to discharge waste residue.
6. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 5, it is characterized in that: described Lower Half is rectangle, the described first half is that length is less than Lower Half and width equals the rectangle of Lower Half, described basket is also rectangle, thereby described filter screen comprises two filter screens that are positioned at Lower Half both sides forms isolated cavity in the both sides of Lower Half.
7. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 5, it is characterized in that: the described first half is that diameter is less than the cylindric of Lower Half diameter, described basket is also cylindrical shape, thereby described filter screen is diameter, equal the cylindric at the annular isolated cavity of Lower Half cylindraceous outside formation of the first half, the feed tube of described centrifugal pump is connected in the isolated cavity of described rinse bath.
8. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 5, is characterized in that: the Lower Half of described rinse bath is also provided with liquid-feeding tube and discharging tube, and described liquid-feeding tube is positioned at discharging tube top and is respectively equipped with charging valve and tapping valve.
9. SCR denitrating catalyst ash removing device for regenerating as claimed in claim 5, is characterized in that: described filter screen adopts double-decker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307306.7U CN203862253U (en) | 2014-06-10 | 2014-06-10 | SCR denitration catalyst regenerating and deashing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307306.7U CN203862253U (en) | 2014-06-10 | 2014-06-10 | SCR denitration catalyst regenerating and deashing device |
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| Publication Number | Publication Date |
|---|---|
| CN203862253U true CN203862253U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420307306.7U Expired - Fee Related CN203862253U (en) | 2014-06-10 | 2014-06-10 | SCR denitration catalyst regenerating and deashing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105311957A (en) * | 2015-12-01 | 2016-02-10 | 苏州华乐大气污染控制科技发展有限公司 | SCR denitration catalyst regeneration heat treating device |
| CN109731462A (en) * | 2018-05-31 | 2019-05-10 | 安徽海螺建材设计研究院有限责任公司 | A kind of flue gas nitrogen oxide processing system |
| CN113385468A (en) * | 2021-07-01 | 2021-09-14 | 大唐南京环保科技有限责任公司 | Waste denitration catalyst cleaning system and cleaning method |
| CN115945452A (en) * | 2022-12-06 | 2023-04-11 | 杭州铁泰自动化科技有限公司 | Ultrasonic full cleaning equipment and cleaning method for clamp of high-precision machine tool |
-
2014
- 2014-06-10 CN CN201420307306.7U patent/CN203862253U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105311957A (en) * | 2015-12-01 | 2016-02-10 | 苏州华乐大气污染控制科技发展有限公司 | SCR denitration catalyst regeneration heat treating device |
| CN109731462A (en) * | 2018-05-31 | 2019-05-10 | 安徽海螺建材设计研究院有限责任公司 | A kind of flue gas nitrogen oxide processing system |
| CN113385468A (en) * | 2021-07-01 | 2021-09-14 | 大唐南京环保科技有限责任公司 | Waste denitration catalyst cleaning system and cleaning method |
| CN115945452A (en) * | 2022-12-06 | 2023-04-11 | 杭州铁泰自动化科技有限公司 | Ultrasonic full cleaning equipment and cleaning method for clamp of high-precision machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160511 Address after: 101111, room 2, No. 064, government road, Tongzhou District light industrial park, Zhongguancun science and Technology Park, Tongzhou, Beijing Patentee after: Beijing macro environmental protection technology Co., Ltd. Address before: 100095, 408 hot springs town, Beijing, Haidian District Patentee before: Li Haocheng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180610 |
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| CF01 | Termination of patent right due to non-payment of annual fee |