CN206911124U - One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization - Google Patents
One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization Download PDFInfo
- Publication number
- CN206911124U CN206911124U CN201720620443.XU CN201720620443U CN206911124U CN 206911124 U CN206911124 U CN 206911124U CN 201720620443 U CN201720620443 U CN 201720620443U CN 206911124 U CN206911124 U CN 206911124U
- Authority
- CN
- China
- Prior art keywords
- groups
- tail gas
- filter
- catalytic cracking
- demisting
- 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.)
- Active
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 30
- 230000023556 desulfurization Effects 0.000 title claims abstract description 30
- 238000004523 catalytic cracking Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 title claims abstract description 18
- 238000005453 pelletization Methods 0.000 title claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000005864 Sulphur Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 41
- 230000000694 effects Effects 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses one kind applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization, it includes：Demisting deduster, demisting deduster include the housing of a sealing shape, are sequentially provided with desulfurizer, tubular demister, some groups of filter groups and some groups of loose fiber beds in housing, housing bottom is provided with air inlet, and case top is provided with gas outlet；Rinse-system, rinse-system are connected with demisting deduster, and rinse-system can be rinsed to tubular demister, some groups of filter groups and some groups of loose fiber beds respectively.The utility model greatly reduces processing cost, and causes the discharge gas after filtering to meet discharge standard.
Description
Technical field
It the utility model is related to catalytic cracking tail gas process field, and in particular to one kind is applied to catalytic cracking tail gas desulfurization
Demisting dust pelletizing system afterwards.
Background technology
Catalytic cracking unit gaseous contamination is mainly derived from regenerator and burns caused flue gas.Have in flue gas a large amount of CO,
SOx, NOx and a large amount of catalyst dusts, such as directly emptying will seriously pollute air.In numerous desulfurization and dust-removal methods, wet method
Desulfurization is to reduce the most stable of methods of SOX in flue gas.But flue gas can carry slurries secretly in process of wet desulphurization, wet desulphurization in addition
Dust pollution can not be removed.
Common practice is that demister or wet electric cleaner are added at the top of desulfurizing tower to the further place of flue gas both at home and abroad at present
Reason.Based on catalytic cracking tail gas characteristic, common demister can not be to its effective processing；Wet electric cleaner processing cost is too high.
Utility model content
The utility model removes to solve the above problems so as to provide demisting after one kind is applied to catalytic cracking tail gas desulfurization
Dirt system.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization, described applied to after catalytic cracking tail gas desulfurization
Demisting dust pelletizing system includes：
Demisting deduster, the demisting deduster include the housing of a sealing shape, from bottom to top set successively in the housing
There are desulfurizer, tubular demister, some groups of filter groups and some groups of loose fiber beds, the housing bottom is provided with air inlet
Mouthful, the case top is provided with gas outlet；
Rinse-system, the rinse-system are connected with demisting deduster, and the rinse-system can remove to tubular type respectively
Day with fog, some groups of filter groups and some groups of loose fiber beds are rinsed.
In a preferred embodiment of the present utility model, the overall presure drop of the enclosure interior<350Pa.
In a preferred embodiment of the present utility model, the spacing of the tubular demister is 15mm~50mm.
In a preferred embodiment of the present utility model, the spacing of filter group is 10mm~50mm.
In a preferred embodiment of the present utility model, the filtering accuracy of the loose fiber bed is 1um.
In a preferred embodiment of the present utility model, if the rinse-system include water tank, filter, water pump and
A dry group nozzle, these group of nozzle be separately positioned between tubular demister and filter group and two adjacent groups filter group it
Between, the water tank is arranged on housing side, and the water inlet end of the water pump is connected by pipeline with water tank, and the water pump goes out
Water end (W.E.) is connected by the water inlet end of pipeline and filter, and the water side of the filter is connected by pipeline and each group nozzle respectively
Connect.
The beneficial effects of the utility model are：
The utility model greatly reduces processing cost, and causes the discharge gas after filtering to meet discharge standard.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1, demisting dust pelletizing system provided by the utility model after being applied to catalytic cracking tail gas desulfurization, it includes removing
Mist deduster 100 and rinse-system 200.
Demisting deduster 100 includes the housing 110 of a sealing shape, air inlet 111 is provided with the bottom of housing 110, in housing
110 tops are provided with gas outlet 112, and catalytic cracking tail gas can enter housing 110 by air inlet 111 from the bottom of housing 110
Interior, due to Effects of Density, the top of housing 110 can be flowed to by entering the catalytic cracking tail gas of the bottom of housing 110, then from gas outlet
112 discharges.
The filtering of gas is all carried out in housing 110 after the desulfurization and desulfurization of catalytic cracking tail gas, and is to enter successively
OK, operating efficiency is so substantially increased.
The bottom right in housing 110 and on be sequentially provided with desulfurizer 300, tubular demister 400, some groups of filter groups
500 and some groups of loose fiber beds 600.
Desulfurizer 300, it is arranged on the bottom of housing 110, above air inlet 111, is entered by air inlet 111
Catalytic cracking tail gas in housing 110 can pass through desulfurizer 300 first.
Desulfurizer 300 can carry out desulfurization to catalytic cracking tail gas.
Tubular demister 400, it is located at the top of desulfurizer 300, and the tail gas after the desulfurization of desulfurizer 300 can pass through
Tubular demister 400.
Tubular demister 400 is for tentatively being filtered to the tail gas after desulfurization, by the slurries carried secretly in tail gas and admittedly
Body particulate matter removes.
Some groups of filter groups 500, these group of filter group 500 are vertically even away from being arranged on tubular demister respectively
400 tops, the tail gas after tubular demister 400 tentatively filtering can pass through each group filter group 500 successively.
Filter group 500 is more than the 8um dust that will be carried secretly in tail gas for being filtered again to the tail gas after desulfurization
It is removed.
Some groups of loose fiber beds 600, these group of loose fiber bed 600 are even away from being arranged in most in the horizontal direction respectively
The top of filter group 500 of later group, and positioned at the lower section of gas outlet 112, the tail gas by each group filter group 500 can be same successively
When pass through each group loose fiber bed 600.
Loose fiber bed 600 be for after filter group 500 tail gas carry out precision filtering, can be by more than 1um
Dust removes completely.
Tail gas after the filtering of loose fiber bed 600 directly can be discharged into outside by gas outlet 112.
In addition, in order to further improve filter effect, the overall presure drop of enclosure interior<350Pa, so that the flow velocity of tail gas
It is maintained at 2~6m/s.
Furthermore in order to not influence the flow velocity of tail gas, between the filter group 500 of most bottom side and tubular demister 400
Spacing be 15mm~50mm, the spacing between two adjacent groups filter group is 10mm~50mm.
The installation site of tubular demister 400, filter group 500 and loose fiber bed 600 in the application and filtering
Density is all specific, is all that the application obtains by countless experiments, can be by desulfurization rear molding only using such scheme
Contaminant filter in gas is clean, meets discharge standard.
Rinse-system 200, it is connected with housing 110, and it is for the tubular demister 400 in housing 110, mistake
Filter plates 500 and loose fiber bed 600 are rinsed, and ensure that tubular demister 400, filter group 500 and loose fiber bed
600 filtering accuracy.
Rinse-system 200 includes water tank 210, filter 220, water pump 230 and some groups of nozzles 240.
These group of nozzle 240 is separately positioned between tubular demister 300 and filter group 400 and two adjacent groups filtering
Between plate group 400, tubular demister 400, filter group 500 and loose fiber bed 600 can be rushed by the water spray of nozzle 240
Wash.
Water tank 210 is arranged on the side of housing 110, and it is to be used to store clear water, and guarantee has clear water flushing at any time.
The water inlet end of water pump 230 is connected by pipeline with water tank 210, and the water side of water pump 230 passes through pipeline and filtering
The water inlet end connection of device 220, can extract the water in water tank 210 out when water pump 230 works, and deliver to filter 220.
The water side of filter 220 is connected by pipeline with each group nozzle 240 respectively, and filter 220 can be defeated by water pump 230
The water sent is filtered, and the water after filtering is transported into each group nozzle 240.
Filter 220 is used for water filtration, prevents from including other impurities in water, so as to adsorbing in tubular demister 400 or
In filter group 500 or loose fiber bed 600, so as to influence filter effect.
Further, since desulfurizer 300 is located at system with tubular demister 400, filter group 500 and loose fiber bed 600
In one housing, waste water that rinse-system 200 rinses to tubular demister 400, filter group 500 and loose fiber bed 600 can be through
Desulfurizer 300 is crossed, desulfurizer 300 can be also rinsed, desulfurized effect is so both improved, saved water resource again.
In addition, a collecting tank can be set in the bottom of housing 110, collecting tank is connected by pipeline with the desulfurizing tower of outside, is rushed
It is reflowable in collecting tank to wash rear waste liquid, collecting tank can reclaim to waste liquid, and be transported in Desulfurization tower slurry area.
Implementation based on such scheme, the workflow of the application are as follows：
(1) desulfurization is carried out to catalytic cracking tail gas first；
(2) tail gas after desulfurization passes sequentially through tubular demister 400, filter group 500 and loose fiber bed 600 and carried out
Filter.
Wherein, catalytic cracking tail gas is entered in housing by air inlet, and the gas after filtering is discharged by gas outlet, and
And the flow velocity of the tail gas entered in housing remains at 2~6m/s, filter effect can be so improved.
In addition, tubular demister 300 can remove the slurries and solid particulate matter carried secretly in tail gas after desulfurization, then filter
Plate group again removes more than 8um dust in tail gas after desulfurization, last loose fiber bed will after by desulfurization more than 1um powder in tail gas
Dirt removes.
Furthermore in order to not influence filter effect and saving water resource, after tubular demister 400 is run 1~6 hour, punching
Washing system 200 can rinse successively to tubular demister 400, filter group 500 and loose fiber bed 600.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (6)
1. one kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization, it is characterised in that described to be applied to catalytic cracking
Demisting dust pelletizing system includes after tail gas desulfurization：
Demisting deduster, the demisting deduster include the housing of a sealing shape, are sequentially provided with the housing de-
Sulphur device, tubular demister, some groups of filter groups and some groups of loose fiber beds, the housing bottom are provided with air inlet, institute
State case top and be provided with gas outlet；
Rinse-system, the rinse-system and demisting deduster are connected, the rinse-system can respectively to tubular demister,
Some groups of filter groups and some groups of loose fiber beds are rinsed.
A kind of 2. demisting dust pelletizing system after being applied to catalytic cracking tail gas desulfurization according to claim 1, it is characterised in that
The overall presure drop of the enclosure interior<350Pa.
A kind of 3. demisting dust pelletizing system after being applied to catalytic cracking tail gas desulfurization according to claim 1, it is characterised in that
The spacing of the tubular demister is 15mm~50mm.
A kind of 4. demisting dust pelletizing system after being applied to catalytic cracking tail gas desulfurization according to claim 1, it is characterised in that
The spacing of filter group is 10mm~50mm.
A kind of 5. demisting dust pelletizing system after being applied to catalytic cracking tail gas desulfurization according to claim 1, it is characterised in that
The filtering accuracy of the loose fiber bed is 1um.
A kind of 6. demisting dust pelletizing system after being applied to catalytic cracking tail gas desulfurization according to claim 1, it is characterised in that
The rinse-system includes water tank, filter, water pump and some groups of nozzles, these group of nozzle and is separately positioned on tubular demister
Between filter group and between two adjacent groups filter group, the water tank is arranged on housing side, and the water pump enters
Water end (W.E.) is connected by pipeline with water tank, and the water side of the water pump is connected by the water inlet end of pipeline and filter, the mistake
The water side of filter is connected by pipeline with each group nozzle respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620443.XU CN206911124U (en) | 2017-05-31 | 2017-05-31 | One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720620443.XU CN206911124U (en) | 2017-05-31 | 2017-05-31 | One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911124U true CN206911124U (en) | 2018-01-23 |
Family
ID=61313581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720620443.XU Active CN206911124U (en) | 2017-05-31 | 2017-05-31 | One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081060A (en) * | 2017-05-31 | 2017-08-22 | 上海安赐环保科技股份有限公司 | One kind is applied to demisting dust pelletizing system and its technique after catalytic cracking tail gas desulfurization |
-
2017
- 2017-05-31 CN CN201720620443.XU patent/CN206911124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107081060A (en) * | 2017-05-31 | 2017-08-22 | 上海安赐环保科技股份有限公司 | One kind is applied to demisting dust pelletizing system and its technique after catalytic cracking tail gas desulfurization |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102716639B (en) | High-efficiency wet-type electric dust removal and desulfuration system and process | |
| CN103447151A (en) | Compound type electric demister as well as process and use thereof | |
| CN204865519U (en) | Dual alkali scrubbing FGD process dust collector | |
| CN201880454U (en) | Dual-cycle flue gas desulfurization and dust removal device | |
| CN206325401U (en) | A kind of flue-gas dust-removing and desulfurization denitrification system | |
| CN107081060A (en) | One kind is applied to demisting dust pelletizing system and its technique after catalytic cracking tail gas desulfurization | |
| CN205948626U (en) | Denitration dust collector | |
| CN109603479A (en) | A recovery and treatment system for collecting flushing water of desulfurization tower mist eliminator | |
| CN206911124U (en) | One kind is applied to demisting dust pelletizing system after catalytic cracking tail gas desulfurization | |
| CN207137608U (en) | A kind of flue gas desulphurization system | |
| CN202146708U (en) | Flue gas desulfurization system | |
| CN102247741B (en) | Flue gas desulfurization process | |
| CN208161296U (en) | A kind of environment-protecting type exhaust air dedusting and purifying device | |
| CN203437004U (en) | High-flue gas-velocity PM2.5 flue gas and pollutant wet flue gas purification system | |
| CN215962641U (en) | Boiler room flue gas dust removal desulphurization unit | |
| CN201613100U (en) | Wet-type soot cleaning device | |
| CN205495222U (en) | Deacidification denitrification facility | |
| CN203710845U (en) | Dust removal and desulfuration all-in-one washing tower | |
| CN111420470B (en) | A dust removal and demisting device based on wet desulfurization | |
| CN208612171U (en) | A kind of flue gas desulfurization for waste incineration device | |
| CN210385433U (en) | Dust removal SOx/NOx control device for coal fired boiler room | |
| CN209952570U (en) | An environmentally friendly dust removal and desulfurization device | |
| CN211753835U (en) | Desulfurization, dust removal and purification system for flue gas after combustion of oily fuel | |
| CN210145834U (en) | Desulfurization and dedusting integrated system for flue gas containing ultrafine dust | |
| CN209188491U (en) | A kind of structure of fume desulfurating absorption tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |