CN2835248Y - Whole-wet method cleaning device for blast furnace gas - Google Patents
Whole-wet method cleaning device for blast furnace gas Download PDFInfo
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- CN2835248Y CN2835248Y CN 200520092307 CN200520092307U CN2835248Y CN 2835248 Y CN2835248 Y CN 2835248Y CN 200520092307 CN200520092307 CN 200520092307 CN 200520092307 U CN200520092307 U CN 200520092307U CN 2835248 Y CN2835248 Y CN 2835248Y
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Abstract
The utility model relates to a whole-wet cleaning device for blast furnace gas. The utility model is characterized in that the whole-wet cleaning device for the blast furnace gas is divided into a rough cleaning dust-removing section and a subtle cleaning dust-removing section, and is provided with four layers of water spraying pipes; the rough cleaning dust-removing section has the structure that a gas cut-off valve and a gas inlet are arranged in the top part of a device casing body, a valve seat of the gas cut-off valve is arranged below the gas cut-off valve, and the water spraying pipes are arranged below the valve seat of the gas cut-off valve; the shape of a casing body of the upper part of the subtle cleaning dust-removing section presents in a double diamond, a double-diamond gas turbulent current body and the water spraying pipes are arranged in the double-diamond casing body, and the middle part and the lower part of the subtle cleaning dust-removing section are a two-level mud water storing device. The utility model has the advantages of reasonable design, simple structure, long service life for the device and good dust-removing effect. The utility model has the characteristics of small ground occupation, little device weight, little consumption for steel materials, less device investment, less water consumption, energy saving, etc. The utility model thoroughly solves the problem that the blast furnace discharges the gas dust to blow dust through a dry dust removal.
Description
Technical field
The utility model belongs to the purification system of blast furnace gas, relates 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 utility model 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.
The utility model Whole-wet method cleaning apparatus for blast furnace gas content Description:
The utility model Whole-wet method cleaning apparatus for blast furnace gas 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, the 2nd water jet be directed downwards water spray;
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.
The utility model Whole-wet method cleaning apparatus for blast furnace gas, 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
The utility model Whole-wet method cleaning apparatus for blast furnace gas is to realize like this, specify below in conjunction with accompanying drawing, see Fig. 1, 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, wherein the direction of the 1st and the 3rd water jet upwards, 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 (6)
1, a kind of Whole-wet method cleaning apparatus for blast furnace gas 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);
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 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 is characterized in that: said 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).
3, Whole-wet method cleaning apparatus for blast furnace gas according to claim 1, it is characterized in that: 2 the ring-type water jet standpipes of said second layer water jet standpipe (7) for being 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, water spraying direction intersects to housing and center position thereof.
4, Whole-wet method cleaning apparatus for blast furnace gas according to claim 1, it is characterized in that: said the 3rd layer of water jet standpipe (9) and the 4th layer of water jet standpipe (10), be 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.
5, 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).
6, Whole-wet method cleaning apparatus for blast furnace gas according to claim 1, it is characterized in that: said 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092307 CN2835248Y (en) | 2005-08-31 | 2005-08-31 | Whole-wet method cleaning device for blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092307 CN2835248Y (en) | 2005-08-31 | 2005-08-31 | Whole-wet method cleaning device for blast furnace gas |
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| Publication Number | Publication Date |
|---|---|
| CN2835248Y true CN2835248Y (en) | 2006-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092307 Expired - Fee Related CN2835248Y (en) | 2005-08-31 | 2005-08-31 | Whole-wet method cleaning device for blast furnace gas |
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| CN (1) | CN2835248Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730618B (en) * | 2005-08-31 | 2011-03-23 | 孙永福 | Whole -wet method cleaning apparatus for blast furnace gas |
-
2005
- 2005-08-31 CN CN 200520092307 patent/CN2835248Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730618B (en) * | 2005-08-31 | 2011-03-23 | 孙永福 | Whole -wet method cleaning apparatus for blast furnace gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |