CN108889113A - A kind of dry desulfurization device - Google Patents
A kind of dry desulfurization device Download PDFInfo
- Publication number
- CN108889113A CN108889113A CN201811112698.0A CN201811112698A CN108889113A CN 108889113 A CN108889113 A CN 108889113A CN 201811112698 A CN201811112698 A CN 201811112698A CN 108889113 A CN108889113 A CN 108889113A
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- dry desulfurization
- desulfurizing
- combustion zone
- screw conveyor
- 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.)
- Pending
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 22
- 230000023556 desulfurization Effects 0.000 title claims abstract description 19
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 46
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 13
- 238000001354 calcination Methods 0.000 claims abstract description 10
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 7
- 239000010425 asbestos Substances 0.000 claims description 13
- 229910052895 riebeckite Inorganic materials 0.000 claims description 13
- 239000003517 fume Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000002594 sorbent Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000002918 waste heat Substances 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
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
-
- 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
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of dry desulfurization devices, it is related to flue gases purification field, including calcining furnace, desulfurizing tower and deduster, equipped with combustion zone and the desulfurizing agent storehouse being arranged in below the combustion zone in the calcining furnace, it is isolated between the combustion zone and the desulfurizing agent storehouse using separating device, it is connected between the desulfurizing agent storehouse and the desulfurizing tower by screw conveyor, it is provided with above the desulfurizing tower into cigarette device, is provided with the spray equipment being connected with the screw conveyor in the desulfurizing tower.Desulfurizing agent can be formed after burning little particle and directly spray to flue gas by dry desulfurization device of the invention, can with flue gas is full and uniform mixes, improve desulfuration efficiency, additionally can use air-source, the energy needed for each section in technical process is provided.
Description
Technical field
The present invention relates to flue gases purification field more particularly to a kind of dry desulfurization devices.
Background technique
Country's desulfurization by dry method mainly has spray drying process, active carbon adsorption, electron ray radiation method, filling at present
Corona method, charged dry sorbent injection method, in-furnace calcium spraying tail portion humidification method, flue gas circulating fluidized bed technology and in-furnace calcium spraying follow
Ring fluidization, above-mentioned desulfurization by dry method is all using lime stone as desulfurizing agent, although investment cost is not high, but all
, sorbent utilization low and desulfurizing byproduct will cause secondary pollution the problem of relatively low in the prevalence of desulfuration efficiency.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of dry desulfurization device.
The present invention adopts the following technical scheme that：
A kind of dry desulfurization device, including calcining furnace, desulfurizing tower and deduster, be equipped in the calcining furnace combustion zone with
And the desulfurizing agent storehouse below the combustion zone is set, between the combustion zone and the desulfurizing agent storehouse using separating device every
From being connected between the desulfurizing agent storehouse and the desulfurizing tower by screw conveyor, be provided with into cigarette above the desulfurizing tower
Device is provided with the spray equipment being connected with the screw conveyor in the desulfurizing tower.
Preferably, the separating device includes asbestos gauge, and an inclined deflector, institute are provided with below the asbestos gauge
It states deflector to be arranged in the desulfurizing agent storehouse, and its bottom end is connect with the feed end of the screw conveyor.
Preferably, described into cigarette device includes smoke-intake pipe road, is set between the smoke-intake pipe road and the top of the desulfurizing tower
It is equipped with Venturi tube.
Preferably, the spray equipment includes coil pipe, and outer wall one week of the coil pipe is provided with feed pipe, the feed pipe
It is connect with the discharge end of the screw conveyor, its circumferential direction is provided with several spray heads on the coil pipe.
Preferably, further include air pump, the air pump by pipeline respectively with the combustion zone and the smoke-intake pipe road
Connection, is provided with air pump between the air pump and the smoke-intake pipe road, the air pump is connected with condenser, the condenser with
The fume inlet passage connection.
Preferably, one end of the asbestos gauge is equipped with recuperation of heat slot, and the recuperation of heat slot and the asbestos gauge pass through filtering
Net connection, is connected between the outlet of the desulfurizing tower and the deduster by air inlet pipe, the outside of the air inlet pipe is provided with
Insulating tube is connected between the recuperation of heat slot and the insulating tube by air pump.
The invention has the advantages that:Dry desulfurization device of the invention can be formed desulfurizing agent after burning
Little particle directly sprays to flue gas, can with flue gas is full and uniform mixes, improve desulfuration efficiency, additionally can use air-source,
The energy needed for each section in technical process is provided.
Detailed description of the invention
Preferred explanation is made to the present invention with reference to the accompanying drawing：
Fig. 1 is overall structure of the present invention；
In figure label for:1, calcining furnace；2, desulfurizing tower；3, deduster；4, combustion zone；5, desulfurizing agent storehouse；6, helical feed
Machine；7, asbestos gauge；8, deflector；9, smoke-intake pipe road；10, Venturi tube；11, coil pipe；12, feed pipe；13, spray head；14, empty
Air pump；15, condenser；16, recuperation of heat slot；17, filter screen；18, air inlet pipe；19, insulating tube.
Specific embodiment
As shown in Figure 1, for a kind of dry desulfurization device of the invention, including calcining furnace 1, desulfurizing tower 2 and deduster 3,
Equipped with combustion zone 4 and the desulfurizing agent storehouse 5 being arranged in below combustion zone 4 in calcining furnace 1, adopted between combustion zone 4 and desulfurizing agent storehouse 5
It is isolated with separating device, is connected between desulfurizing agent storehouse 5 and desulfurizing tower 2 by screw conveyor 6, the top of desulfurizing tower 2 is provided with
Into cigarette device, the spray equipment being connected with screw conveyor 6 is provided in desulfurizing tower 2.
Specifically, the desulfurizing agent of bulk burns into little particle in calcining furnace 1, desulfurizing tower 2 is flowed to by screw conveyor 6
It is interior to be mixed with flue gas, remove the gases such as the sulfur dioxide in flue gas.
Separating device includes asbestos gauge 7, and the lower section of asbestos gauge 7 is provided with an inclined deflector 8, and the setting of deflector 8 exists
In desulfurizing agent storehouse 5, and its bottom end is connect with the feed end of screw conveyor 6.
Include smoke-intake pipe road 9 into cigarette device, Venturi tube 10 is provided between smoke-intake pipe road 9 and the top of desulfurizing tower 2, leads to
It crosses after Venturi tube 10 rectifies flue gas and enters in desulfurizing tower 2.
Spray equipment includes coil pipe 11, and outer wall one week of coil pipe 11 is provided with feed pipe 12, feed pipe 12 and helical feed
The discharge end of machine 6 connects, its circumferential direction is provided with several spray heads 13 on coil pipe 11, by the way that coil pipe 11 is arranged, can to take off
Sulphur agent is sprayed more uniform, to be sufficiently mixed with flue gas.
It further include air pump 14, air pump 14 is connect with combustion zone 4 and smoke-intake pipe road 9 respectively by pipeline, air pump 14
Air pump is provided between smoke-intake pipe road 9, air pump is connected with condenser 15, and condenser 15 is connected to fume inlet passage 9, not only can be with
Combustion-supporting combustion zone 4 can also reduce the temperature of flue gas so that desulfurizing agent burning is more sufficiently quickly in advance.
One end of asbestos gauge 7 is equipped with recuperation of heat slot 16, and recuperation of heat slot 16 is connect with asbestos gauge 7 by filter screen 17, desulfurization
It is connected between the outlet and deduster 3 of tower 2 by air inlet pipe 18, the outside of air inlet pipe 18 is provided with insulating tube 19, recuperation of heat slot
Between 16 and insulating tube 19 by air pump connect, before flue gas enters deduster 3, using the waste heat of combustion zone 4 to desulfurization after
Flue gas kept the temperature, filter bag in deduster 3 can be effectively prevent to paste bag.
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to solve essentially identical technical problem, essentially identical technical effect is realized, made simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (6)
1. a kind of dry desulfurization device, it is characterised in that：Including calcining furnace, desulfurizing tower and deduster, set in the calcining furnace
The desulfurizing agent storehouse for having combustion zone and being arranged in below the combustion zone uses between the combustion zone and the desulfurizing agent storehouse and divides
It is isolated every device, is connected between the desulfurizing agent storehouse and the desulfurizing tower by screw conveyor, is set above the desulfurizing tower
It is equipped with into cigarette device, is provided with the spray equipment being connected with the screw conveyor in the desulfurizing tower.
2. dry desulfurization device according to claim 1, it is characterised in that：The separating device includes asbestos gauge, described
Be provided with an inclined deflector below asbestos gauge, the deflector is arranged in the desulfurizing agent storehouse, and its bottom end with
The feed end of the screw conveyor connects.
3. dry desulfurization device according to claim 2, it is characterised in that：It is described into cigarette device include smoke-intake pipe road, institute
It states and is provided with Venturi tube between smoke-intake pipe road and the top of the desulfurizing tower.
4. dry desulfurization device according to claim 3, it is characterised in that：The spray equipment includes coil pipe, the disk
Outer wall one week of pipe is provided with feed pipe, and the feed pipe is connect with the discharge end of the screw conveyor, edge on the coil pipe
Its circumferential direction is provided with several spray heads.
5. dry desulfurization device according to claim 1, it is characterised in that：It further include air pump, the air pump passes through
Pipeline is connect with the combustion zone and the smoke-intake pipe road respectively, is provided with gas between the air pump and the smoke-intake pipe road
Pump, the air pump are connected with condenser, and the condenser is connected to the fume inlet passage.
6. dry desulfurization device according to claim 5, it is characterised in that：One end of the asbestos gauge is equipped with recuperation of heat
Slot, the recuperation of heat slot are connect with the asbestos gauge by filter screen, are led between the outlet of the desulfurizing tower and the deduster
Air inlet pipe connection is crossed, the outside of the air inlet pipe is provided with insulating tube, passes through gas between the recuperation of heat slot and the insulating tube
Pump connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112698.0A CN108889113A (en) | 2018-09-25 | 2018-09-25 | A kind of dry desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811112698.0A CN108889113A (en) | 2018-09-25 | 2018-09-25 | A kind of dry desulfurization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108889113A true CN108889113A (en) | 2018-11-27 |
Family
ID=64359584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811112698.0A Pending CN108889113A (en) | 2018-09-25 | 2018-09-25 | A kind of dry desulfurization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108889113A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204933109U (en) * | 2015-09-15 | 2016-01-06 | 中冶华天工程技术有限公司 | Integrated form is incubated anti-paste bag bag-type dust removal system |
| CN205672716U (en) * | 2016-05-04 | 2016-11-09 | 清流亮剑环保技术开发有限公司 | A kind of absorption desulfation dust-extraction device of the dry method for boiler smoke |
| CN108114592A (en) * | 2012-10-16 | 2018-06-05 | 通用电器技术有限公司 | Desulfurization in regenerative calcium cycle system |
| CN209155523U (en) * | 2018-09-25 | 2019-07-26 | 南京兰丰环保科技有限公司 | A kind of dry desulfurization device |
-
2018
- 2018-09-25 CN CN201811112698.0A patent/CN108889113A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108114592A (en) * | 2012-10-16 | 2018-06-05 | 通用电器技术有限公司 | Desulfurization in regenerative calcium cycle system |
| CN204933109U (en) * | 2015-09-15 | 2016-01-06 | 中冶华天工程技术有限公司 | Integrated form is incubated anti-paste bag bag-type dust removal system |
| CN205672716U (en) * | 2016-05-04 | 2016-11-09 | 清流亮剑环保技术开发有限公司 | A kind of absorption desulfation dust-extraction device of the dry method for boiler smoke |
| CN209155523U (en) * | 2018-09-25 | 2019-07-26 | 南京兰丰环保科技有限公司 | A kind of dry desulfurization device |
Non-Patent Citations (1)
| Title |
|---|
| 《打叶复烤工专业知识》编写组编: "《化工设备设计手册 2 金属设备》", 中国环境科学出版社, pages: 149 - 675 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |