CN109351145A - A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower - Google Patents
A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower Download PDFInfo
- Publication number
- CN109351145A CN109351145A CN201811295015.XA CN201811295015A CN109351145A CN 109351145 A CN109351145 A CN 109351145A CN 201811295015 A CN201811295015 A CN 201811295015A CN 109351145 A CN109351145 A CN 109351145A
- Authority
- CN
- China
- Prior art keywords
- desulphurization
- screw conveyor
- ash
- desulfurizing tower
- transitional storehouse
- 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.)
- Withdrawn
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 13
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 34
- 230000002441 reversible effect Effects 0.000 claims abstract description 22
- 230000008676 import Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 abstract description 16
- 230000023556 desulfurization Effects 0.000 abstract description 16
- 238000005245 sintering Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 45
- 238000000034 method Methods 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
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
Abstract
The present invention relates to a kind of devices for the operation of dense flow absorber desulphurization plant unilateral side tower, belong to metallurgy industry dense flow absorber desulphurization plant technical field.Technical solution is: an ash pipeline (1) is separately connected on the ash bucket (9) of desulfurizing tower (6), transitional storehouse (7) and bag filter (8), the other end of the ash pipeline (1) is connect with the entrance of screw conveyor (3), the outlet of screw conveyor (3) is connect with the entrance of reversible screw conveyor (4), and the outlet of reversible screw conveyor (4) is located at the bottom of bucket elevator (10).The beneficial effects of the present invention are: when the failure of any one equipment is unable to desulfurization in two desulphurization systems; the desulfurization steady in a long-term of normal side desulphurization system can be used; it is sintered and shuts down caused by completely eliminating due to side desulphurization system failure; save the expense generated by sintering start and stop, it is ensured that Sintering Yield is unaffected.
Description
Technical field
The present invention relates to a kind of devices for the operation of dense flow absorber desulphurization plant unilateral side tower, and it is de- to belong to metallurgy industry dense flow absorber
Sulphur equipment technical field.
Background technique
Dense flow absorber desulfurization technology is a kind of more mature semi-dry method flue gas desulfurization technique, and desulphurization plant is arranged in sintering machine
Head electric precipitator rear end, for removing the sulfur dioxide in sintering flue gas.
Currently, this technique is applied successfully on the large-type sinterer of more steel plant at home.The sulfur removal technology generally by
Two individual desulphurization systems compositions, each desulphurization system respectively possess a close phase desulfurizing tower, a pulsed jet cloth filter and
A set of independent Desulphurization conveying device.Wherein close phase desulfurizing tower is mainly made of desulfurizing tower, transitional storehouse, humidification water installations etc..
Desulphurization conveying device includes the defeated grey equipment such as steel wire belt, bucket elevator and chain-linked conveyer.
Two desulphurization systems share a transitional storehouse and a bag filter, the upper end of bucket elevator are connected to humidifier
On, the lower end of bucket elevator and the cinder-discharging port of chain-linked conveyer connect, and the outlet of desulfurizing tower and the import of transitional storehouse connect, transitional storehouse
Outlet and bag filter import connect, desulfurizing tower, transitional storehouse and bag filter are equipped with ash bucket, chain conveying seat in the plane
In desulfurizing tower, transitional storehouse, bag filter ash bucket underface,
When normal desulfurization, sintering flue gas enters from the top of desulfurizing tower first, with the desulphurization circulating ash after humidifier humidifies
It flows downward together from the top fair current of desulfurizing tower, in desulfurizing tower in flow process, sintering flue gas and desulphurization circulating ash are carried out
Reaction, the desulphurization circulating ash deposition after reaction is in the ash bucket of desulfurizing tower, transitional storehouse and deduster bottom, desulfurizing tower, transitional storehouse
Enter chain-linked conveyer through ash flue bucket with the respective desulphurization circulating ash of bag filter, is transported to bucket elevator through chain-linked conveyer
Bottom, desulphurization circulating ash are transported vertically into the humidifier at the top of desulfurizing tower through bucket elevator, and the Desulphurization after humidification continues to participate in
Desulfurization.Purified sintering flue gas passes through after desulfurizing tower, transitional storehouse, bag filter respectively by smoke stack emission.
When any one desulphurization system breaks down in two desulphurization systems, the desulphurization circulating ash of failure side is no longer at this time
Cycle operation is carried out, is stayed cool, but the desulphurization circulating ash in the desulphurization system of normal side is in recurrent state always, by
A transitional storehouse and a bag filter are shared in two sets of desulphurization systems, therefore, the desulfurization in the desulphurization system of normal side follows
Ring ash is constantly transported in the desulphurization system of failure side, so that most desulphurization circulating ashes are deposited in two sets of desulphurization systems
In the ash bucket and chain-linked conveyer of failure side desulphurization system, due to making in normal side desulphurization system without desulphurization circulating ash
With causing normal side desulphurization system also can not desulfurization.Therefore, when any one desulphurization system failure in two desulphurization systems
When, it has to the mode for taking sintering machine to shut down is handled.Further, since there are belt agings for the steel wire belt of ash conveying device
The problem of, it is necessary to periodically steel wire belt is replaced, each replacing construction is 15 days or so, this certainly will also will affect sintering and produce
Amount.
Summary of the invention
It is an object of the present invention to provide it is a kind of for dense flow absorber desulphurization plant unilateral side tower operation device, when desulphurization system wherein
When one system breaks down, it can guarantee the normal desulfurization of desulfurizing tower in another desulphurization system, it is ensured that sintering machine does not stop production,
Solve the problems, such as background technique.
The technical scheme is that
A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower, includes two desulphurization systems, and each desulphurization system is wrapped
Containing chain-linked conveyer, desulfurizing tower and bucket elevator, two desulphurization systems share a transitional storehouse and a bag filter, bucket elevator
Upper end be connected on humidifier, the cinder-discharging port of the lower end of bucket elevator and chain-linked conveyer connects, the outlet and transition of desulfurizing tower
The import in storehouse connects, and the outlet of transitional storehouse and the import of bag filter connect, and desulfurizing tower, transitional storehouse and bag filter are all provided with
Have ash bucket, chain-linked conveyer is located at the underface of desulfurizing tower, transitional storehouse and bag filter ash bucket, desulfurizing tower, transitional storehouse and
An ash pipeline is separately connected on the ash bucket of bag filter, the other end of the ash pipeline and the entrance of screw conveyor connect
It connects, the outlet of screw conveyor and the entrance of reversible screw conveyor connect, and the outlet of reversible screw conveyor is located at bucket elevator
Bottom.
Gate valve is equipped in the ash pipeline.
The entrance of gate valve in the ash pipeline close to screw conveyor.
Gate valve in the desulphurization system of failure side is opened when one of desulphurization system breaks down using the present invention,
The desulphurization circulating ash of failure side desulphurization system is transported in screw conveyor through ash pipeline, then is transported to through screw conveyor reversible
On screw conveyor, desulphurization circulating ash is transported to the bucket elevator bottom of normal side desulphurization system through reversible screw conveyor, at this time
Desulphurization circulating ash can be transported vertically into the humidifier at the top of desulfurizing tower through bucket elevator, and the Desulphurization after humidification continues to participate in de-
Sulphur guarantees the normal desulfurization of normal side desulphurization system.
The beneficial effects of the present invention are: when the failure of any one equipment is unable to desulfurization in two desulphurization systems, it can
Using the desulfurization steady in a long-term of normal side desulphurization system, it is sintered and stops caused by completely eliminating due to side desulphurization system failure
Machine saves the expense generated by sintering start and stop, it is ensured that Sintering Yield is unaffected.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is partial enlarged view of the present invention；
Fig. 3 is cross-sectional view of the present invention；
In figure: 1, ash pipeline；2, gate valve；3, screw conveyor；4, reversible screw conveyor；5, chain-linked conveyer；6, desulfurization
Tower；7, transitional storehouse；8, bag filter；9, ash bucket；10, bucket elevator；11, bucket elevator import.
Specific embodiment
Below in conjunction with attached drawing, by example, the invention will be further described.
Referring to attached drawing 1,2,3, a kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower includes two desulfurization systems
System, each desulphurization system include chain-linked conveyer 5, desulfurizing tower 6 and bucket elevator 10, and two desulphurization systems share a transitional storehouse
7 and a bag filter 8, the upper end of bucket elevator 10 be connected on humidifier 12, the lower end of bucket elevator 10 and chain-linked conveyer 5
Cinder-discharging port connection, the outlet of desulfurizing tower 6 connect with the import of transitional storehouse 7, the outlet of transitional storehouse 7 and bag filter 8 into
Mouth connection, desulfurizing tower 6, transitional storehouse 7 and bag filter 8 are equipped with ash bucket 9, and chain-linked conveyer 5 is located at desulfurizing tower 6, transitional storehouse 7
With the underface of 8 ash bucket 9 of bag filter, one is separately connected on the ash bucket 9 of desulfurizing tower 6, transitional storehouse 7 and bag filter 8
The other end of a ash pipeline 1, the ash pipeline 1 is connect with the entrance of screw conveyor 3, the outlet of screw conveyor 3 with it is reversible
The entrance of screw conveyor 4 connects, and the outlet of reversible screw conveyor 4 is located at the bottom of bucket elevator 10.
In the present embodiment, referring to attached drawing 1,2,3, ash pipeline 1 totally three, using round tube or square tube, three ash pipelines 1
One end is respectively welded on the ash bucket 9 of desulfurizing tower 6, transitional storehouse 7 and bag filter 8, the other end and spiral of three ash pipelines 1
The entrance of conveyer 3 connects, and the outlet of screw conveyor 3 is connect with the entrance of reversible screw conveyor 4, reversible screw conveyor
4 outlet is located at the bottom of bucket elevator 10, and the lower part of each ash pipeline 1 is arranged in gate valve 2, apart from entering for screw conveyor 3
Mouth >=200mm.
The lower section on 3 head of screw conveyor is arranged in reversible screw conveyor 4, perpendicular to chain-linked conveyer 5, makes failure side
The Desulphurization of desulphurization system can be transported on reversible screw conveyor 4 through screw conveyor 3.
Reversible screw conveyor 4 and screw conveyor 3 are all-sealed structure, transport Desulphurization and are not easy unrestrained object in the process
Material.Observation door is set in the head of reversible screw conveyor 4 and screw conveyor 3, middle part and tail portion, is existed for observing Desulphurization
Traffic condition in pipe.
Screw conveyor 3 and reversible screw conveyor 4 are conveying equipment commonly used in the art, basic structure include hopper,
Transmission shaft with helical blade, mid-mounting bearing, end bearing, head end bearing, charging door, discharge port and driving device.Its
Working principle are as follows: in screw conveyor, the conveying of desulphurization circulating ash is to rotate by helical blade and generate thrust, desulphurization circulating
The movement of ash is to travel forward on one side, with spiral rotating (having peripheral speed) so the movement of desulphurization circulating ash is space on one side
Movement.Desulphurization circulating ash in screw conveyor 3 is close to hopper due to self weight.When helical axis rotation, desulphurization circulating ash
Friction between hopper prevents desulphurization circulating ash that helical axis is followed to rotate, thus material is advanced.Reversible screw conveyor 4
It is different according to the driving direction of driving device, reversible conveying can be carried out according to need of work.
Screw conveyor 3 can be tube-type spiral conveyer or U-shaped screw conveyor, the defeated grey direction of screw conveyor 3
It is bag filter → transitional storehouse → desulfurizing tower.
When side desulphurization system break down cannot normal desulfurization when, open failure side desulphurization system gate valve 2, will sink
The Desulphurization dropped in the desulphurization system chain-linked conveyer of failure side is transported on reversible screw conveyor 4 by screw conveyor 3,
Desulphurization is transported to 10 bottom of bucket elevator of normal side desulphurization system through reversible screw conveyor 4, and Desulphurization is through bucket elevator at this time
10 are transported vertically into the humidifier at the top of desulfurizing tower, and the Desulphurization after humidification continues to participate in desulfurization.
Claims (3)
1. a kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower, includes two desulphurization systems, each desulphurization system is equal
Comprising chain-linked conveyer (5), desulfurizing tower (6) and bucket elevator (10), two desulphurization systems share a transitional storehouse (7) and a cloth
Bag dust collector (8), the upper end of bucket elevator (10) are connected on humidifier (12), the lower end of bucket elevator (10) and chain-linked conveyer
(5) cinder-discharging port connection, the outlet of desulfurizing tower (6) are connect with the import of transitional storehouse (7), and the outlet of transitional storehouse (7) is removed with cloth bag
The import of dirt device (8) connects, and desulfurizing tower (6), transitional storehouse (7) and bag filter (8) are equipped with ash bucket (9), chain-linked conveyer
(5) it is located at the underface of desulfurizing tower (6), transitional storehouse (7) and bag filter (8) ash bucket (9), it is characterised in that: in desulfurizing tower
(6), an ash pipeline (1) is separately connected on the ash bucket (9) of transitional storehouse (7) and bag filter (8), the ash pipeline (1)
The other end is connect with the entrance of screw conveyor (3), the outlet of screw conveyor (3) and the entrance of reversible screw conveyor (4)
Connection, the outlet of reversible screw conveyor (4) is located at the bottom of bucket elevator (10).
2. a kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower according to claim 1, it is characterised in that institute
It states in ash pipeline (1) and is equipped with gate valve (2).
3. a kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower according to claim 2, it is characterised in that institute
The gate valve (2) in ash pipeline (1) is stated close to the entrance of screw conveyor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295015.XA CN109351145A (en) | 2018-11-01 | 2018-11-01 | A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295015.XA CN109351145A (en) | 2018-11-01 | 2018-11-01 | A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109351145A true CN109351145A (en) | 2019-02-19 |
Family
ID=65343821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295015.XA Withdrawn CN109351145A (en) | 2018-11-01 | 2018-11-01 | A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351145A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101014A (en) * | 2011-01-29 | 2011-06-22 | 首钢总公司 | Accurate desulfurization system based on dense flow absorber desulfuration process |
| CN105107364A (en) * | 2015-09-15 | 2015-12-02 | 北京科大朗涤环保工程技术有限公司 | Flue gas desulphurization system suitable for downstream spraying semi-dry method |
| CN205127733U (en) * | 2015-11-19 | 2016-04-06 | 北京国华新兴节能环保科技有限公司 | Close relevant tower desulfurization system with standby system |
| CN205392169U (en) * | 2016-03-16 | 2016-07-27 | 中国科学院城市环境研究所 | Desulfurated device of high -efficient double tower semidry method |
| WO2017045602A1 (en) * | 2015-09-15 | 2017-03-23 | 中冶焦耐(大连)工程技术有限公司 | Coke oven flue gas desulfurization and denitrification combined purification process and apparatus |
| CN108607346A (en) * | 2018-05-21 | 2018-10-02 | 中冶华天工程技术有限公司 | Parallel active coke dry-method desulfuration denitrating system |
| CN209362190U (en) * | 2018-11-01 | 2019-09-10 | 唐山钢铁集团有限责任公司 | A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower |
-
2018
- 2018-11-01 CN CN201811295015.XA patent/CN109351145A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101014A (en) * | 2011-01-29 | 2011-06-22 | 首钢总公司 | Accurate desulfurization system based on dense flow absorber desulfuration process |
| CN105107364A (en) * | 2015-09-15 | 2015-12-02 | 北京科大朗涤环保工程技术有限公司 | Flue gas desulphurization system suitable for downstream spraying semi-dry method |
| WO2017045602A1 (en) * | 2015-09-15 | 2017-03-23 | 中冶焦耐(大连)工程技术有限公司 | Coke oven flue gas desulfurization and denitrification combined purification process and apparatus |
| CN205127733U (en) * | 2015-11-19 | 2016-04-06 | 北京国华新兴节能环保科技有限公司 | Close relevant tower desulfurization system with standby system |
| CN205392169U (en) * | 2016-03-16 | 2016-07-27 | 中国科学院城市环境研究所 | Desulfurated device of high -efficient double tower semidry method |
| CN108607346A (en) * | 2018-05-21 | 2018-10-02 | 中冶华天工程技术有限公司 | Parallel active coke dry-method desulfuration denitrating system |
| CN209362190U (en) * | 2018-11-01 | 2019-09-10 | 唐山钢铁集团有限责任公司 | A kind of device for the operation of dense flow absorber desulphurization plant unilateral side tower |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190219 |