CN112076600A - Blast furnace gas auxiliary desulfurization and dewatering device - Google Patents
Blast furnace gas auxiliary desulfurization and dewatering device Download PDFInfo
- Publication number
- CN112076600A CN112076600A CN202010964176.4A CN202010964176A CN112076600A CN 112076600 A CN112076600 A CN 112076600A CN 202010964176 A CN202010964176 A CN 202010964176A CN 112076600 A CN112076600 A CN 112076600A
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- Prior art keywords
- section
- dehydration
- desulfurization
- blast furnace
- furnace gas
- Prior art date
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 47
- 230000023556 desulfurization Effects 0.000 title claims abstract description 46
- 230000018044 dehydration Effects 0.000 claims abstract description 33
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 33
- 239000007921 spray Substances 0.000 claims abstract description 22
- 239000003034 coal gas Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- 230000003009 desulfurizing effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
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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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/002—Evacuating and treating of exhaust gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention discloses a blast furnace gas auxiliary desulphurization and dehydration device, and belongs to the technical field of blast furnace gas treatment. The invention comprises a tower body, wherein the tower body comprises an auxiliary desulfurization section and a dehydration section, a rotational flow device is arranged in the auxiliary desulfurization section, a spray head is arranged at the upper end of the rotational flow device, the bottom of the auxiliary desulfurization section is provided with the dehydration section, a guide plate is arranged in the dehydration section, and a drain hole is formed in the bottom side of the guide plate. The invention has the effects of auxiliary desulfurization and dehydration, and can be used as an outlet H of the desulfurization tower2When the S content is still high through monitoring and displaying, the linkage detection and control device automatically controls to open the spray nozzle, the spray nozzle sprays the desulfurizer to further desulfurize the coal gas, and the rotational flow device is used for changing the flow direction of the coal gas, so that the desulfurization effect is improvedThe invention has the advantages of high working efficiency, strong feasibility, integrated desulfuration and dehydration and outstanding environmental protection effect.
Description
Technical Field
The invention relates to the technical field of blast furnace gas treatment, in particular to a blast furnace gas auxiliary desulfurization and dehydration device.
Background
SO after combustion of blast furnace gas as by-product in iron and steel enterprise2The problem of exceeding standard is that the tail end treatment mode is adopted in the past, namely the flue gas after the blast furnace gas is combusted is desulfurized. With the adjustment of national industrial policy, SO is treated2The emission requirement is greatly improved, and the tail end treatment can not meet the emission requirement, so that the iron and steel enterprises are required to realize the blast furnace gas fine desulfurization from the source. As for the blast furnace gas source fine desulfurization technology, no mature and accepted technical route exists at present. The components of the sulfur in the blast furnace gas are complex, so that the blast furnace gas components of different enterprises are different and greatly different, and the gas components of different time periods of the same enterprise are greatly different. An auxiliary desulfurization device is added on the dehydration device at the tail end of the coal gas desulfurization system, so that the desulfurization effect can be further ensured. In this patent, a blast furnace gas-assisted desulfurization and dehydration apparatus is designed. According to monitoring the outlet H of the desulfurizing tower2And (4) automatically controlling the content of S, starting the auxiliary desulfurization device, and finally removing mechanical water through the dehydration device.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the defects and shortcomings in the prior art, the invention provides a blast furnace gas auxiliary desulfurization and dehydration device, which has the effects of auxiliary desulfurization and dehydration, mechanical water is removed by gravity separation, and the gas enters a pipe network system after the mechanical water is removed.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a blast furnace gas auxiliary desulfurization and dehydration device, which comprises a tower body, wherein the tower body comprises an auxiliary desulfurization section and a dehydration section, a rotational flow device is arranged in the auxiliary desulfurization section, a spray head is arranged at the upper end of the rotational flow device, the bottom of the auxiliary desulfurization section is provided with the dehydration section, a guide plate is arranged in the dehydration section, and a drain hole is formed in the bottom side of the guide plate.
Furthermore, an interlocking detection and control device is arranged in the auxiliary desulfurization section.
Furthermore, the shower nozzle be equipped with six groups, the shower nozzle adopts the equidistant interval setting in the tower body of annular array form, the external pipeline that sprays of shower nozzle.
Furthermore, the input end of the nozzle is electrically connected with the linkage detection and control device, and when the gas sulfur content is abnormal, the linkage detection and control device automatically controls the nozzle to be opened.
Furthermore, the guide plate is obliquely arranged in the dewatering section.
Furthermore, the cyclone device is used for changing the flow direction of the coal gas and removing the mechanical water by gravity separation.
Furthermore, a drainer is arranged at the bottom side of the dewatering section.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
the invention has the effects of auxiliary desulfurization and dehydration, under the normal condition, the auxiliary desulfurization section is in a closed state, the device only removes mechanical water, and when the outlet H of the desulfurization tower is2When the S content is still high through monitoring and displaying, the linkage detection and control device automatically controls to open the spray nozzle, the spray nozzle sprays a desulfurizer to further desulfurize the coal gas, the cyclone device is used for changing the flow direction of the coal gas, mechanical water is removed through gravity separation, and the coal gas enters the pipe network system after the mechanical water is removed.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a structural view of the distribution of the nozzles of the present invention.
In the figure: 1. a tower body; 11. an auxiliary desulfurization section; 111. a swirling device; 112. a spray head; 12. a dewatering section; 121. a baffle; 122. a drain hole; 123. a water drainer.
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1, the blast furnace gas auxiliary desulfurization and dehydration device of this embodiment, including tower body 1, tower body 1 includes auxiliary desulfurization section 11 and dehydration section 12, the inside whirl device 111 that is provided with of auxiliary desulfurization section 11, whirl device 111 is used for changing the coal gas flow direction, utilize gravity separation desorption mechanical water, whirl device 111's upper end is provided with shower nozzle 112, the bottom of auxiliary desulfurization section 11 is provided with dehydration section 12, the inside of dehydration section 12 is provided with guide plate 121, wash port 122 has been seted up to the bottom side of guide plate 121, guide plate 121 sets up at the inside slope of dehydration section 12, moisture passes through guide plate 121 drainage and discharges through wash port 122, the bottom side of dehydration section 12 is provided with drainer 123, drainer 123 discharges moisture, the coal gas of desorption mechanical water gets into the pipe network system.
As can be seen from fig. 2, six groups of nozzles 112 are provided, the nozzles 112 are arranged in the tower body 1 in an annular array manner at equal intervals, the nozzles 112 are externally connected with a spraying pipeline, the spraying pipeline is externally connected with a desulfurizing agent, an interlocking detection and control device is arranged in the auxiliary desulfurization section 11, the input end of the nozzle 112 is electrically connected with the interlocking detection and control device, the nozzles 112 are not opened when the tower body 1 is in normal operation, and the interlocking detection and control device automatically controls to open the nozzles 112 when the gas sulfur content is abnormal.
The input end of the tower body 1 is communicated with the desulfurizing tower, under normal condition, the auxiliary desulfurizing section 11 is in a closed state, the device only removes mechanical water, and when the outlet H of the desulfurizing tower2When the S content is still high as monitored and displayed, the linkage detection and control device automatically controls to open the spray head 112, and the spray head 112 sprays a desulfurizer to further desulfurize the coal gas.
The invention has the effects of auxiliary desulfurization and dehydration, under the normal condition, the auxiliary desulfurization section 11 is in a closed state, the device only removes mechanical water, and when the outlet H of the desulfurization tower is2When the S content is still high through monitoring and displaying, the linkage detection and control device automatically controls to open the spray head 112, the spray head 112 sprays a desulfurizer to further desulfurize the coal gas, the cyclone device 111 is used for changing the flow direction of the coal gas, mechanical water is removed through gravity separation, and the coal gas enters the pipe network system after the mechanical water is removed.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (7)
1. The utility model provides a blast furnace gas assists desulfurization and dewatering device, includes tower body (1), its characterized in that: the tower body (1) comprises an auxiliary desulfurization section (11) and a dehydration section (12), wherein a cyclone device (111) is arranged inside the auxiliary desulfurization section (11), a spray head (112) is arranged at the upper end of the cyclone device (111), the dehydration section (12) is arranged at the bottom of the auxiliary desulfurization section (11), a guide plate (121) is arranged inside the dehydration section (12), and a drain hole (122) is formed in the bottom side of the guide plate (121).
2. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 1, characterized in that: and an interlocking detection and control device is arranged in the auxiliary desulfurization section (11).
3. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 2, characterized in that: six groups of spray heads (112) are arranged, the spray heads (112) are arranged in the tower body (1) at equal intervals in an annular array mode, and the spray heads (112) are externally connected with a spraying pipeline.
4. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 3, characterized in that: the input end of the spray head (112) is electrically connected with the linkage detection and control device, and when the gas sulfur content is abnormal, the linkage detection and control device automatically controls the spray head (112) to be opened.
5. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 1, characterized in that: the guide plate (121) is obliquely arranged in the dewatering section (12).
6. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 1, characterized in that: the cyclone device (111) is used for changing the flow direction of the coal gas and removing the mechanical water by gravity separation.
7. The blast furnace gas auxiliary desulfurization and dehydration apparatus according to claim 1, characterized in that: a drainer (123) is arranged at the bottom side of the dewatering section (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964176.4A CN112076600A (en) | 2020-09-15 | 2020-09-15 | Blast furnace gas auxiliary desulfurization and dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010964176.4A CN112076600A (en) | 2020-09-15 | 2020-09-15 | Blast furnace gas auxiliary desulfurization and dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112076600A true CN112076600A (en) | 2020-12-15 |
Family
ID=73737921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010964176.4A Pending CN112076600A (en) | 2020-09-15 | 2020-09-15 | Blast furnace gas auxiliary desulfurization and dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112076600A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244441Y (en) * | 2008-08-19 | 2009-05-27 | 郑州中原惠泉环保工程有限公司 | Flue gas desulfurization tower for glass stove |
| CN205473848U (en) * | 2015-12-31 | 2016-08-17 | 佰利天控制设备（北京）有限公司 | Blast furnace gas dewatering device |
| CN206911088U (en) * | 2017-07-21 | 2018-01-23 | 苗婷 | A kind of fume desulfurizing tower spray equipment |
| CN208627004U (en) * | 2018-07-27 | 2019-03-22 | 浙江富冶集团有限公司 | A kind of mixed high-efficiency fume desulfurizing tower |
| CN110102164A (en) * | 2019-04-22 | 2019-08-09 | 攀枝花市蓝鼎环保科技有限公司 | Wet desulfurizing process for high sulfur concentration flue gas |
| CN213668638U (en) * | 2020-09-15 | 2021-07-13 | 中冶华天工程技术有限公司 | Blast furnace gas auxiliary desulfurization and dewatering device |
-
2020
- 2020-09-15 CN CN202010964176.4A patent/CN112076600A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201244441Y (en) * | 2008-08-19 | 2009-05-27 | 郑州中原惠泉环保工程有限公司 | Flue gas desulfurization tower for glass stove |
| CN205473848U (en) * | 2015-12-31 | 2016-08-17 | 佰利天控制设备（北京）有限公司 | Blast furnace gas dewatering device |
| CN206911088U (en) * | 2017-07-21 | 2018-01-23 | 苗婷 | A kind of fume desulfurizing tower spray equipment |
| CN208627004U (en) * | 2018-07-27 | 2019-03-22 | 浙江富冶集团有限公司 | A kind of mixed high-efficiency fume desulfurizing tower |
| CN110102164A (en) * | 2019-04-22 | 2019-08-09 | 攀枝花市蓝鼎环保科技有限公司 | Wet desulfurizing process for high sulfur concentration flue gas |
| CN213668638U (en) * | 2020-09-15 | 2021-07-13 | 中冶华天工程技术有限公司 | Blast furnace gas auxiliary desulfurization and dewatering device |
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