CN1730618B - Whole -wet method cleaning apparatus for blast furnace gas - Google Patents
Whole -wet method cleaning apparatus for blast furnace gas Download PDFInfo
- Publication number
- CN1730618B CN1730618B CN 200510047109 CN200510047109A CN1730618B CN 1730618 B CN1730618 B CN 1730618B CN 200510047109 CN200510047109 CN 200510047109 CN 200510047109 A CN200510047109 A CN 200510047109A CN 1730618 B CN1730618 B CN 1730618B
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- Prior art keywords
- water
- water jet
- gas
- layer
- jet standpipe
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- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 239000003034 coal gas Substances 0.000 claims abstract description 25
- 239000010432 diamond Substances 0.000 claims abstract description 15
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 210000000582 semen Anatomy 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 11
- 238000000746 purification Methods 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 49
- 239000004744 fabric Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- COCAUCFPFHUGAA-MGNBDDOMSA-N n-[3-[(1s,7s)-5-amino-4-thia-6-azabicyclo[5.1.0]oct-5-en-7-yl]-4-fluorophenyl]-5-chloropyridine-2-carboxamide Chemical compound C=1C=C(F)C([C@@]23N=C(SCC[C@@H]2C3)N)=CC=1NC(=O)C1=CC=C(Cl)C=N1 COCAUCFPFHUGAA-MGNBDDOMSA-N 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Abstract
The invention relates to a whole-wet method cleaning apparatus for blast furnace gas, comprising a crude purification dust collection station and a refined purification dust collection station, and four layers of water spraying pipes. the housing of the crude purification dust collection station is provided with a coal gas isolating valve and a gas port on the top portion, the upper portion of the housing of the refined purification dust collection station has a shape of double diamonds, the housing is provided with a double-diamond shaped coal gas turbulent flow member and a water spraying pipe, the refined purification dust collection station includes two stage of mud-water reservoirs in the central and lower portions.
Description
Technical field
The invention belongs to the purification system of blast furnace gas, relate to a kind of Whole-wet method cleaning apparatus for blast furnace gas.
Background technology
At present, domestic blast furnace ironmaking, high furnace capacity is big, and the combustion intensity height produces a large amount of byproduct blast furnace gases, has good use value.But this raw gas of discharging from the blast furnace furnace roof contains 10-60g/m
3Dust, raw gas must pass through dedusting, and dustiness is reduced to 5-10mg/m
3Below could use for the user.The mode that tradition adopts the dry type gravitational dust collection to combine with wet-cleaned to the purification of blast furnace gas exists that occupation area of equipment is big, the steel consumption of equipment is greatly with problems such as water consumption are big.The mode that adopts the dry type gravitational dust collection to combine in recent years with sack cleaner, the problem that have the cloth bag dewfall, burns out, adopt the hardware cloth bag dust collector in addition, though overcome the problem of cloth bag scaling loss, but the metal cloth bag involves great expense, still have the problem of dewfall, thereby influenced smooth operation of furnace, all auxiliary facilitys of blast furnace production must be obeyed smooth operation of furnace.
Summary of the invention
The present invention has overcome the defective of above-mentioned existence, and purpose is the purifying and dedusting for blast furnace gas, and a kind of Whole-wet method cleaning apparatus for blast furnace gas is provided.
Whole-wet method cleaning apparatus for blast furnace gas content Description of the present invention:
Whole-wet method cleaning apparatus for blast furnace gas of the present invention is characterized in that: Whole-wet method cleaning apparatus for blast furnace gas is divided into thick cleaning dedusting section and seminal plasma eccysis dirt section two portions, and has arranged four layers of water jet standpipe;
Thick cleaning dedusting section is that gas stop valve 2 and gas entry 3 are set in the top of Whole-wet method cleaning apparatus for blast furnace gas housing 1, be gas cutting valve base 4 below gas stop valve 2, below gas cutting valve base 4, be provided with the first layer water jet standpipe 5 and second layer water jet standpipe 7; The first layer water jet standpipe 5 is a ring-type, is provided with 10～15 water jets to housing center position water spray on water jet standpipe 5; Second layer water jet standpipe 7 is 2 ring-type water jet standpipes that are provided with in the horizontal direction, the water jets of 45 degree upwards about being provided with 15～20 angles on the second layer water jet standpipe 7 and being, and water spraying direction intersects water spray to housing and center position thereof;
Seminal plasma eccysis dirt section: the outer shape of the upper body 1 of seminal plasma eccysis dirt section is a Double Diamond, and coal gas turbulent flow body 8 and the 3rd layer of water jet standpipe 9 and the 4th layer of water jet standpipe 10 of Double Diamond is set in the housing 1 of Double Diamond; The 3rd layer of water jet standpipe 9 and the 4th layer of water jet standpipe 10 are that the upper vertical direction at aditus laryngis 20 is provided with 3 water jets on water jet standpipe equally, wherein the direction of the 1st and the 3rd water jet upwards, being directed downwards of the 2nd water jet;
The middle part of seminal plasma eccysis dirt section and bottom are two-stage muddy water holders---muddy water holder 11 and muddy water holder 12, on the top of muddy water holder 11 gas exit 13 is set, at the middle part of muddy water holder 11 water level regulator 15 is set, in the bottom of muddy water holder 12 two spoil disposal valves 16 are set, gas exit 13 is connected with Venturi meter 14.Below four layers of every layer of water jet standpipe of the first layer to the, on the circumference of housing 1, be provided with 2～4 manholes 6 of symmetric arrangement for ease of repair apparatus.Bottom at the housing 1 of Double Diamond is provided with gas conduit 17 and baffle plate 18, can change the derivation direction of coal gas by gas conduit 17 and baffle plate 18, the bottom that the coal gas and the water of molecule is deposited in the muddy water holder 12 of seminal plasma eccysis dirt section.Coal gas turbulent flow body 8 links together by web plate 19 and housing 1, is provided with aditus laryngis 20 at the narrowest place of housing 1 and coal gas turbulent flow body 8, makes coal gas produce huge turbulent flow herein and fully contacts with water droplet.
Whole-wet method cleaning apparatus for blast furnace gas of the present invention, reasonable in design, simple in structure, service life of equipment is long, good dedusting effect.Have that occupation area of equipment is little, the little steel consumption of equipment quality is few, facility investment is little, characteristics such as, save energy few with water consumption, thoroughly solved the airborne dust problem of blast furnace by dry gas cleaning discharging coal gas ash.
Description of drawings
Fig. 1 is the Whole-wet method cleaning apparatus for blast furnace gas structural representation
Fig. 2 is a Whole-wet method cleaning apparatus for blast furnace gas A-A sectional view
Among the figure: 1 is housing, 2 is gas stop valve, 3 is gas entry, 4 is the gas cutting valve base, 5 is the first layer water jet standpipe, 6 is manhole, 7 is second layer water jet standpipe, 8 is coal gas turbulent flow body, 9 is the 3rd layer of water jet standpipe, 10 is the 4th layer of water jet standpipe, 11 is the muddy water holder, 12 is the muddy water holder, 13 is gas exit, 14 is venturi tube, 15 is water level regulator, 16 is the spoil disposal valve, 17 is gas conduit, 18 is baffle plate, 19 is web plate, 20 is aditus laryngis, 21 is valve, 22 is valve, 23 is water shoot.
Embodiment
Whole-wet method cleaning apparatus for blast furnace gas of the present invention is achieved in that below in conjunction with accompanying drawing and specifies, and sees Fig. 1, and the utility model Whole-wet method cleaning apparatus for blast furnace gas is divided into thick cleaning dedusting section and seminal plasma eccysis dirt section two portions, and has arranged four layers of water jet standpipe;
Thick cleaning dedusting section is that gas stop valve 2 and gas entry 3 are set in the top of Whole-wet method cleaning apparatus for blast furnace gas housing 1, be gas cutting valve base 4 below gas stop valve 2, below gas cutting valve base 4, be provided with the first layer water jet standpipe 5 and second layer water jet standpipe 7; The first layer water jet standpipe 5 is a ring-type, is provided with 10～15 water jets to housing center position water spray on water jet standpipe 5; Second layer water jet standpipe 7 is 2 ring-type water jet standpipes that are provided with in the horizontal direction, the water jets of 45 degree upwards about being provided with 15～20 angles on the second layer water jet standpipe 7 and being, and water spraying direction intersects water spray to housing and center position thereof.Enter in the Whole-wet method cleaning apparatus for blast furnace gas from gas entry 2 at the thick dedusting section blast furnace gas that cleans, can cut off coal gas by gas stop valve 2 and enter, the coal gas that enters slightly enters seminal plasma eccysis dirt section after the cleaning dedustings through the first layer water jet standpipe 5 and second layer water jet standpipe 7.
Seminal plasma eccysis dirt section: the outer shape of the upper body 1 of seminal plasma eccysis dirt section is a Double Diamond, and coal gas turbulent flow body 8 and the 3rd layer of water jet standpipe 9 and the 4th layer of water jet standpipe 10 of Double Diamond is set in the housing 1 of Double Diamond; The 3rd layer of water jet standpipe 9 and the 4th layer of water jet standpipe 10 are that the upper vertical direction at aditus laryngis 20 is provided with 3 water jets on water jet standpipe equally, the direction of the 1st and the 3rd water jet water spray upwards wherein, the 2nd water jet be directed downwards water spray.When the 3rd layer of water jet standpipe 9 that enters seminal plasma eccysis dirt section through the coal gas after the thick cleaning dedusting and the 4th layer of water jet standpipe 10, coal gas is through the coal gas turbulent flow body 8 of Double Diamond.See Fig. 2, coal gas turbulent flow body 8 links together by web plate 19 and housing 1, is provided with aditus laryngis 20 at the narrowest place of housing 1 and coal gas turbulent flow body 8, makes coal gas produce huge turbulent flow herein, and at this moment water droplet fully contacts with dust.
The middle part of seminal plasma eccysis dirt section and bottom are two-stage muddy water holders---muddy water holder 11 and muddy water holder 12, on the top of muddy water holder 11 gas exit 13 is set, at the middle part of muddy water holder 11 water level regulator 15 is set, changed the direction of air-flow, pressure is reduced, precipitate thereby buck is entered in the muddy water holder 12.In the bottom of muddy water holder 12 two spoil disposal valves 16 are set, gas exit 13 is connected with Venturi meter 14.Below four layers of every layer of water jet standpipe of the first layer to the, on the circumference of housing 1, be provided with 2～4 manholes 6 of symmetric arrangement for ease of repair apparatus.Bottom at the housing 1 of Double Diamond is provided with gas conduit 17 and baffle plate 18, can change the derivation direction of coal gas by gas conduit 17 and baffle plate 18, the bottom that the coal gas and the water of molecule is deposited in the muddy water holder 12 of seminal plasma eccysis dirt section.
Be provided with the High Pressure Drain device in the bottom of muddy water holder 11, water shoot 23 is connected in the junction of muddy water holder 11 and muddy water holder 12 and the bottom of muddy water holder 12, and control by valve 21 and valve 22, can obtain grade and be 50～80% powdered iron ore.In the bottom of muddy water holder 12 two spoil disposal valves 16 are set, open the plaster that spoil disposal valve 16 is discharged in the muddy water holder 12.Gas exit 13 is connected with Venturi meter 14, and the coal gas of discharging is carried out further dedusting.Be connected with pressurizing valve group, sludge trap, leaf plate by pipeline and enter the purified gas pipe network.
Claims (2)
1. Whole-wet method cleaning apparatus for blast furnace gas, it is characterized in that: Whole-wet method cleaning apparatus for blast furnace gas is divided into thick cleaning dedusting section and seminal plasma eccysis dirt section two portions, and has arranged four layers of water jet standpipe;
Thick cleaning dedusting section is that gas stop valve (2) and gas entry (3) are set in the top of Whole-wet method cleaning apparatus for blast furnace gas housing (1), be gas cutting valve base (4) below gas stop valve (2), below gas cutting valve base (4), be provided with the first layer water jet standpipe (5) and second layer water jet standpipe (7); The first layer water jet standpipe (5) is a ring-type, is provided with 10～15 water jets to housing center position water spray on water jet standpipe (5); Second layer water jet standpipe (7) is 2 ring-type water jet standpipes that are provided with in the horizontal direction, the water jets of 45 degree upwards about being provided with 15～20 angles on the second layer water jet standpipe (7) and being, and water spraying direction intersects water spray to housing and center position thereof;
Seminal plasma eccysis dirt section: the outer shape of the upper body (1) of seminal plasma eccysis dirt section is a Double Diamond, and coal gas turbulent flow body (8) and the 3rd layer of water jet standpipe (9) and the 4th layer of water jet standpipe (10) of Double Diamond is set in the housing (1) of Double Diamond; Coal gas turbulent flow body (8) links together by web plate (19) and housing (1), is provided with aditus laryngis (20) at the narrowest place of housing (1) and coal gas turbulent flow body (8); The 3rd layer of water jet standpipe (9) and the 4th layer of water jet standpipe (10) are that the upper vertical direction at aditus laryngis (20) is provided with 3 water jets on water jet standpipe, wherein the direction of the 1st and the 3rd water jet upwards, being directed downwards of the 2nd water jet; The middle part of seminal plasma eccysis dirt section and bottom are two-stage muddy water holders---muddy water holder (11) and muddy water holder (12).
2. Whole-wet method cleaning apparatus for blast furnace gas according to claim 1, it is characterized in that: said top at muddy water holder (11) is provided with gas exit (13), at the middle part of muddy water holder (11) water level regulator (15) is set, in the bottom of muddy water holder (12) two spoil disposal valves (16) are set, gas exit (13) is connected with Venturi meter (14); Below four layers of every layer of water jet standpipe of the first layer to the, on the circumference of housing (1), be provided with 2～4 manholes (6) of symmetric arrangement; Bottom at the housing (1) of Double Diamond is provided with gas conduit (17) and baffle plate (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047109 CN1730618B (en) | 2005-08-31 | 2005-08-31 | Whole -wet method cleaning apparatus for blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510047109 CN1730618B (en) | 2005-08-31 | 2005-08-31 | Whole -wet method cleaning apparatus for blast furnace gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1730618A CN1730618A (en) | 2006-02-08 |
| CN1730618B true CN1730618B (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510047109 Expired - Fee Related CN1730618B (en) | 2005-08-31 | 2005-08-31 | Whole -wet method cleaning apparatus for blast furnace gas |
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| Country | Link |
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| CN (1) | CN1730618B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5380498A (en) * | 1990-02-23 | 1995-01-10 | A. Ahlstrom Corporation | Apparatus for purification of waste gases |
| CN1508269A (en) * | 2002-12-20 | 2004-06-30 | 鞍山科技大学 | Dry-wet integrated blast-furnace gas dust-removing device |
| KR20040087554A (en) * | 2003-04-08 | 2004-10-14 | 사단법인 고등기술연구원 연구조합 | Gas cleaning apparatus |
| CN2835248Y (en) * | 2005-08-31 | 2006-11-08 | 孙永福 | Whole-wet method cleaning device for blast furnace gas |
-
2005
- 2005-08-31 CN CN 200510047109 patent/CN1730618B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5380498A (en) * | 1990-02-23 | 1995-01-10 | A. Ahlstrom Corporation | Apparatus for purification of waste gases |
| CN1508269A (en) * | 2002-12-20 | 2004-06-30 | 鞍山科技大学 | Dry-wet integrated blast-furnace gas dust-removing device |
| KR20040087554A (en) * | 2003-04-08 | 2004-10-14 | 사단법인 고등기술연구원 연구조합 | Gas cleaning apparatus |
| CN2835248Y (en) * | 2005-08-31 | 2006-11-08 | 孙永福 | Whole-wet method cleaning device for blast furnace gas |
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| Publication number | Publication date |
|---|---|
| CN1730618A (en) | 2006-02-08 |
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Owner name: LI DONG Free format text: FORMER OWNER: SUN YONGFU Effective date: 20120823 |
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Free format text: CORRECT: ADDRESS; FROM: 114001 ANSHAN, LIAONING PROVINCE TO: 114006 ANSHAN, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120823 Address after: 114006 -51, No. 68, Yingcheng Road, iron Eastern District, Liaoning, Anshan Patentee after: Li Dong Address before: 114001 No. 21-5 Qianjin Road, Anshan, Liaoning Patentee before: Sun Yongfu |
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Owner name: ZHOU DAN Effective date: 20130326 |
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Effective date of registration: 20130326 Address after: 114006 -51, No. 68, Yingcheng Road, iron Eastern District, Liaoning, Anshan Patentee after: Li Dong Patentee after: Zhou Dan Address before: 114006 -51, No. 68, Yingcheng Road, iron Eastern District, Liaoning, Anshan Patentee before: Li Dong |
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Owner name: SHANGHAI JIAPENG METALLURGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI DONG Effective date: 20140207 Free format text: FORMER OWNER: ZHOU DAN Effective date: 20140207 |
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Effective date of registration: 20140207 Address after: 24 building 3199, building 2, Xincheng Road, mud town, Shanghai, Pudong New Area 201306 Patentee after: Shanghai gappan Metallurgy Technology Co. Ltd. Address before: 114006 -51, No. 68, Yingcheng Road, iron Eastern District, Liaoning, Anshan Patentee before: Li Dong Patentee before: Zhou Dan |
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