CN107119161A - A kind of blast furnace gas dewatering and its dehydration device - Google Patents
A kind of blast furnace gas dewatering and its dehydration device Download PDFInfo
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- CN107119161A CN107119161A CN201710430589.2A CN201710430589A CN107119161A CN 107119161 A CN107119161 A CN 107119161A CN 201710430589 A CN201710430589 A CN 201710430589A CN 107119161 A CN107119161 A CN 107119161A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/06—Making pig-iron in the blast furnace using top gas in the blast furnace process
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Organic Chemistry (AREA)
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Abstract
The present invention relates to a kind of blast furnace gas dewatering and its dehydration device.Dewatering includes I and arrives the pressure control of blast furnace gas less than 50Pa, flow control to 3.5~5.5m/s；II is dehydrated with the built-in dehydration rack of housing, and the coal gas after dehydration enters heat exchanger.Dehydration device has the housing for being used to connect coal gas tapered pipeline and heat exchanger of a rectangle, and dewatering net frame is filled with housing.Dehydration rack has 8-12 layers of silk screen, and the mesh number of silk screen is English system 8~10, and string diameter is between 0.6~0.8mm.Being dehydrated rack includes screen frame and fix bar, and screen frame has silk screen and screen frame, and silk screen is welded on screen frame into wire frame：Wire frame is fastened on rectangle net frame body composition screen frame；Screen frame is divided into three screen frame groups, and every group of screen frame group is welded together with the fix bar of more than two from above.This blast furnace gas dewatering and its dehydration device can remove in coal gas 97% mechanical water.
Description
Technical field
The present invention relates to a kind of blast furnace gas dewatering, and and the dewatering dehydration device.
Background technology
Blast furnace gas contains the dust of bulky grain from blast furnace during output, almost without moisture, nowadays for users to use
It is required for carrying out wet method or dry-dedusting system processing before, then through TRT generating sets, finally enters gaspipe network.It is existing
Blast furnace gas dehydration filler dehydrator dewatering floor space it is big, investment is big, and dewatering efficiency is low.Due to high temperature
Reason, part water enters blast furnace gas with the form of gas, blast furnace gas moisture content is reached saturation, while also with substantial amounts of
Mechanical water, causes the theoretical temperature combustion reduction into the blast furnace gas of hot blast stove system, the wind pushing temperature of hot-blast stove is produced
Very big influence；Meanwhile, the heat exchange efficiency of hot-blast stove waste-heat recovery device is reduced, because gas preheating temperature is low, coal gas condensation
The strong acid heat exchanging device of generation, heat exchange element, expansion joint and all kinds of valve erosions are even more serious, cause hot-blast stove normally to burn
Stove, influences the normal production of blast furnace.
And due to the decomposition and vaporization of mechanical water in coal gas, also reduce coal gas calorific capacity so that theoretical temperature combustion
Reduction, so as to reduce hot-blast stove dome temperature, adds the consumption of coke-stove gas, meanwhile, the strong acid such as chlorion are contained in water
Radical ion, enters gas change heater, corrosion is changed to reduce the large quantity of moisture containing the strong acid radical ion such as chlorion in gaspipe network
Hot device and heat exchange element, reduce the service efficiency of heat exchanger so that gas preheating temperature is low, further on corrosion gas piping
Equipment.
The content of the invention
In order to overcome the weak point of existing blast furnace gas dewatering, the present invention, which is provided, can remove in coal gas 97% machine
The blast furnace gas dewatering of tool water.
It is a further object to provide a kind of blast furnace gas dehydration device of the blast furnace gas dewatering.
The present invention is to realize the operation of the high wind-warm syndrome of blast furnace, reduces target of the coal gas to the corrosion impact of equipment on pipeline, just
It must assure that hot-blast stove can reach higher dome temperature, it is to be ensured that hot-blast stove dome temperature reaches certain level, just must
It must ensure that the blast furnace gas for entering hot-blast stove has higher theoretical temperature combustion.To reach the theoretical temperature combustion for improving fuel
Purpose, according to the comparison to all kinds of dewaterings of blast furnace gas, silk screen dehydration device, which has, takes up an area small, small investment, dewatering efficiency
It is higher, the characteristics of bringing economic benefits, accordingly, it would be desirable to silk screen dehydration device is set up on existing blast furnace gas pipeline,
The mechanical water and incidental strong acid radical ion in coal gas are removed, gas change heater efficiency is improved, coke-stove gas usage amount is reduced,
Wind-warm syndrome is improved, plant maintenance renewal cost is reduced, so as to reach the purpose of energy efficiency.
The present invention mechanism be when the gas with mechanical water with certain speed by silk screen when, due to gas inertial flow
Effect, mechanical water contained by gas collides and is attached in filament surfaces with wire mesh filaments.Liquid in filament surfaces enters one
The gravitational settling of step diffusion and liquid in itself, makes liquid form larger drop and is flow to along filament at its intertexture.Due to thin
The wettable of silk, the capillarity of the surface tension of liquid and filament so that drop is increasing, until the gravity of its own
The pulling force flowed more than gas and when making a concerted effort of surface tension of liquid, just it is separated and falls, flow to the bottom of equipment, by row
Waterpipe drains the mechanical water separated in coal gas.Therefore, silk screen steel wire diameter, the mesh number of silk screen, the number of plies of silk screen, silk
The spacing of the latus rectum of net, porosity and silk screen has a certain impact to dewatering efficiency.
（1）The determination of meshcount, string diameter：The mesh number of silk screen be exactly per square inch on number of perforations, mesh number is bigger, hole
Footpath is smaller, in general, mesh number × aperture=15000, because silk screen porosity is small, it is ensured that dehydration device can deviate from diameter at least
10 μm and the water droplet more than more than 10 μm, therefore, meshcount can select 8~10 between, string diameter in the range of 0.6~0.8mm,
Design current velocity is typically selected in 3.5~5.5m/s, and can reach prevents dust stratification, the purpose of essence dehydration.
（2）The number of plies of silk screen and the determination of latus rectum：To effectively improve dewatering efficiency, the resistance that coal gas runs into silk screen generation is taken into account
Power, and silk screen rigidity, on the premise of wind pushing temperature is ensured, the flow of coal gas is at least in 200,000 m3/ more than h, accordingly, silk
The number of plies of net is difficult excessively, and general thickness is selected between 8~12 layers, general every group of 3-5 silk screens, and the spacing of group and group is 40
~60mm, the pressure drop that control blast furnace gas passes through is optimal within 50Pa.
（3）The selection of silk screen latus rectum：To make dehydration device preferably play the effect of dehydration, the mistake of silk screen must be just increased
Drift diameter area is flowed, the ratio between silk screen area and pipeline area controls to be preferred at 5 times or so.Because coal gas is in pipeline flow process,
Can suddenly it increase because of flow area, reduced velocity flow, the water droplet of part bulky grain falls because of Action of Gravity Field.
（4）For convenience of the discharge of mechanical water, the arrangement of silk screen point 3,4,3 of dehydration device, while considering that blast furnace gas contains
Dust silk screen can be caused to block, make full use of gas flow fluctuation caused by silk screen vibration, silk screen set use controllable swing
Amplitude is fixed, and amplitude of fluctuation is 20mm, automatic ash removing.To ensure that the water of abjection is drained in time, it must be set in the bottom of dehydration device
Put several drainage pipelines.
This blast furnace gas dewatering include it is following successively the step of：
I, which arrives the pressure control of blast furnace gas, is less than 50Pa, flow control to 3.5~5.5m/s；
II is dehydrated with the built-in dehydration rack of housing is welded between coal gas tapered pipeline and heat exchanger, and the coal gas after dehydration enters
Heat exchanger.
Above-mentioned blast furnace gas dewatering is dehydrated with dehydration rack, and dehydration rack has 8-12 layers of silk screen, silk screen
Mesh number is English system 8~10, and string diameter is between 0.6~0.8mm.
For normal production, above-mentioned blast furnace gas dewatering will also discharge the water of dehydration rack abjection in time.
The blast furnace gas dehydration device of above-mentioned blast furnace gas dewatering is realized, it has a cross section being used for for rectangle
The housing of coal gas tapered pipeline and heat exchanger is connected, the dehydration rack of dehydration is filled with housing.Being dehydrated rack can be in weldering
When connecing installation housing, it is directly installed in housing；Can also case weld it is good after, from housing set rectangular opening in dehydration
Rack is installed in housing again, is covered with rectangular flange lid.
Above-mentioned blast furnace gas dehydration device, it is characterized in that：The blast furnace gas dehydration rack has 8-12 layers of silk screen, silk
The mesh number of net 4 is English system 8~10, and string diameter is between 0.6~0.8mm.
Here is the preferable setting of the dehydration rack of this blast furnace gas dehydration device.It includes screen frame and the fixation being connected
Bar, the screen frame that screen frame is made up of silk screen and long 3800-4000mm montant and long 3800-4000mm cross bar, silk screen
Screen frame is welded on into wire frame：Wire frame is fastened on the rectangle net frame body composition screen frame of four bars；Screen frame is divided into
First screen frame group, the second screen frame group and the 3rd screen frame group, each group of screen frame mulberry is together；First screen frame group with
It is separated by 40-60mm between second screen frame group, 40-60mm, every group is separated by between the second screen frame group and the 3rd screen frame group
Screen frame group is welded on together with the fix bar of more than two from above；
Rectangular flange lid is also set up, the top of housing sets rectangular opening, and rectangular opening is welded rectangular flange disk；It is dehydrated rack
Fix bar weld together with rectangular flange lid, rectangular flange lid is fastened on rectangular flange disk, there is sealing gasket between the two, take off
Network of rivers frame is arranged in housing.
Above-mentioned blast furnace gas dehydration device will also discharge the water of dehydration rack abjection in time and can prevent gas leakage, therefore
Also water seal arrangement, i.e., set water seal arrangement at the housing bottom of housing, and water seal arrangement is connected logical with downcomer.
In order to prevent getting rusty, the material of the silk screen described in above-mentioned blast furnace gas dehydration device is two phase stainless steel.
Beneficial effects of the present invention
By increasing dehydration device in gas change heater inlet side, pass through a large amount of moisture containing the strong acid radical ion such as chlorion
The coal gas drainer of lower section is drained, and its advantage has：
（1）The theoretical temperature combustion of blast furnace gas is improved, so as to accordingly improve hot-blast stove dome temperature and wind pushing temperature.Coal
The removing of mechanical water causes the mechanical water content reduction of blast furnace gas in gas, so that the calorific capacity of coal gas is improved, according to machinery
Often reduced in the calculating that water influences on coal gas caloric value and theoretical temperature combustion, coal gas 1% mechanical water, theoretical temperature combustion can
To improve about 12 DEG C therewith.
（2）The device dewatering is good, can remove in coal gas more than 97% mechanical water, reach expected purpose.
（3）The corrosion to gas change heater and its heat exchange element is reduced, extends one times or so of the service life of heat exchanger；
Prevented the corrosion to the expansion joint on pipeline and all kinds of valves, reduced the daily dimension cost of overhaul and use, it is ensured that hot-blast stove it is suitable
Profit burns stove.PH=4 in blast furnace coal air water after tested, slant acidity, the removing of acid mechanical water significantly reduces etching problem.
（4）Effectively increase the heat exchange efficiency 8.39% of heat exchanger.
The main economic and technical indices of the present invention
It is as follows according to the composition that the double preheating gas compositions of blast furnace converse wet gas：
| Species | CO2 | CO | H2 | N2 | H2O | O2 | It is total |
| Dry gas | 21.7 | 22.2 | 3.3 | 52.8 | — | — | 100 |
| Wet gas | 20.8 | 21.3 | 3.2 | 50.7 | 4 | — | 100 |
When dry method dust is run, the moisture eliminator dehydrating amount is：1.8~3.0t/h
It is by the gas flow of heat exchanger：245000Nm3/h
Containing mechanical water inventory in coal gas：20g/m3
Then the moisture eliminator dehydrating amount is： 1800000/245000=7.35 g/m3
3000000/245000=12.24g/m3
The mechanical water of removing 1% is in coal gas：20 g/m3÷4=5g/m3
Then the percentage of removing water is in coal gas after increase moisture eliminator：
7.35 g/m3÷5g/m3=1.5%（When dehydrating amount is 1.8t/h）
12.24÷5 g/m3=2.4% （When dehydrating amount is 3.0t/h）
Often reduced in coal gas 1% mechanical water, theoretical temperature combustion can improve about 12 DEG C therewith,
Therefore theoretical temperature combustion improves 1.5 × 12=18 DEG C
2.4×12=28.8℃
Consider heat exchange heat loss factor 0.9, corresponding wind pushing temperature is improved：18×0.9=16.2℃
28.8×0.9=25.9℃
Rule of thumb formula can save coke：
△K=bt×△t×K0
At 1250 DEG C of wind-warm syndrome, btTake 0.034%, coke ratio K0Take 350kg/t,
△K=16.2×0.034%×350=1.93kg
△K=25.9×0.034%×350=3.08kg
Then ton iron can save 1.93~3.08kg of coke
Coke can be saved every year：
1.93kg/t×8500t/d×360d=5905800kg=5905.8t
3.08 kg/t×8500t/d×360d=9424800 kg=9424.8t
1500 yuan of coke price per ton, then can save every year：885.87~1413.72 ten thousand yuan
1500 yuan/t × 5905.8t=885.87 ten thousand yuan
1500 yuan/t × 9424.8t=1413.72 ten thousand yuan
One times of extension device service life, saves and changes about 3,000,000 yuan of primary equipment and operating expenses.
Brief description of the drawings
Fig. 1 is the schematic diagram in the main view direction for being dehydrated rack.
Fig. 2 is the left view corresponding with Fig. 1.
Fig. 3 is the top view corresponding with Fig. 1.
Fig. 4 is to be dehydrated the sectional view that rack is arranged in housing.
Fig. 5 is left view corresponding with Fig. 4, upper right corner partly cut-away.
Fig. 6 is bent-tube boiler water seal device of air figure, bottom partly cut-away.
In above-mentioned figure
1-screen frame, 2-montant, 3-cross bar, 4-silk screen, 5-screen frame,
6-wire frame, 7-rectangle rack cross bar, 8-fix bar, 9-rectangle net frame body,
10-trip bolt, the 11-the first screen frame group, the 12-the second screen frame group, the 13-the three screen frame group, 14-dehydration
Rack, 15-rectangular flange lid, 16-sealing gasket,
17-rectangular opening, 18-hex head screw, 19-rectangular flange disk, 20-housing,
21-gap, 22-housing bottom, 23-drainage hole, 24-downcomer,
25-stop valve, 26-water seal arrangement, 27 --- water sealed tank, 28-outer tube,
29-drainpipe, 30-weld, 31-heat exchanger, 32-coal gas tapered pipeline,
33-bent-tube boiler water seal arrangement, 34-water.
Embodiment
The embodiment of the present invention is further illustrated with reference to embodiment and its accompanying drawing.For following implementation
The explanation of example helps to understand the present invention, but is not limitation of the present invention.
This blast furnace gas dewatering is to install coal gas dehydration between coal gas tapered pipeline and heat exchanger to implement,
First illustrate the structure of coal gas dehydration.
Device embodiment
The present embodiment is the gas piping for internal diameter DN2600mm, and the area of screen frame 1 is 5 times of gas piping area.Square
The common stainless steel of shape rack main body 9,304 stainless steels of the present embodiment, silk screen 4 selects two-phase stainless Steel material.
The embodiment of this blast furnace gas dehydration device first illustrates that blast furnace gas is dehydrated the structure of rack 14, sees Fig. 1, Fig. 2, figure
3.It includes screen frame 1 and the fix bar 8 being connected, and screen frame 1 has silk screen 4 and long 3800mm montant 2 and long 4000mm horizontal stroke
The screen frame 5 that bar 3 is constituted, silk screen 4 is welded on screen frame 5 into wire frame 6：
Described 4 holes of silk screen are that mesh number made in Great Britain is 8, and string diameter is 0.6mm；The trip bolt such as trip bolt 10 of wire frame 6
Being fastened on the rectangle net frame body 9 of four bars (has rectangle rack cross bar 7）Constitute screen frame 1；It is the first silk screen to have ten layers of 1 point of screen frame
Frame group 11, the second screen frame group 12 and the 3rd screen frame group 13 constitute the dehydration rack 14 of blast furnace gas, each screen frame group
Screen frame 1 is stacked.
The distance between first screen frame group 11, the second screen frame group 12 and the 3rd screen frame group 13 are 50mm；
Every group of screen frame group is welded on together with three fix bars 8 from above.
Also one housing 20, dehydration rack 14 is arranged in housing 20, has a rectangular opening 17 on housing 20, in rectangle
Mouth 17 has a rectangular flange disk 19.For convenience of silk screen is changed, rectangular flange lid 15 is set on dehydration device top, see Fig. 4 with
Fig. 5.Three fix bars 8 of the dehydration rack 14 of blast furnace gas weld together with rectangular flange lid 15, and rectangular flange lid 15 is used
Hex head screw 18 is fastened on rectangular flange disk 19, there is sealing gasket 16 between the two, and dehydration rack 14 is arranged in housing 20,
There is gap 21 between dehydration rack 14 and housing 20.There is drainage hole 23 at the housing bottom 22 of housing 20, and drainage hole 23 is connected to lower water
Pipe 24.The present embodiment is connected to water seal arrangement 26 in the case where downcomer 24 connects stop valve 25, stop valve 25, and water seal arrangement 26 is connected
Drainpipe 29.
Water seal arrangement 26 prevents gas leakage, ponding can be allowed to flow out.Water seal arrangement has various structures, and the present embodiment is floor drain
Formula structure, in the outside weld of drainpipe 29 then outer tube 28, is formed under water sealed tank 27, downcomer 24 between drainpipe 29 and outer tube 28
End puts in water sealed tank 27.The bend pipe for the inner storing water that water seal arrangement can also be bent in 25 times connections about one of stop valve, is shown in Fig. 6, schemes
There is water 34 in bent-tube boiler water seal arrangement 33 under middle stop valve 25.
In use, one end of housing 20 is welded with heat exchanger 31, the other end is welded with coal gas tapered pipeline 32.Using
Cheng Zhong, screen frame group can swing, amplitude of fluctuation be 18~22mm.
Dewatering embodiment
This method embodiment is carried out with above-mentioned blast furnace gas dehydration device embodiment.Apart from gas piping outlet
1450mm -1550mm, between coal gas tapered pipeline 32 and heat exchanger 31.Make the coal gas that gas piping is exported through too high
It could enter heat exchanger 31 after the dehydration of producer gas dehydration device.The pressure drop that control blast furnace gas passes through is less than 50Pa；Flow velocity is 3.5
Between~5.5m/s.
The overall swing of first screen frame group 11, the second screen frame group 12 and each group of the 3rd screen frame group 13, amplitude of fluctuation
Totally 18~22mm is spent, silk screen vibration caused by gas flow fluctuation is made full use of, it is to avoid the dust that blast furnace gas contains causes silk
Net is blocked, automatic ash removing.
In addition, discharging the water that dehydration device is deviate from time with the water seal arrangement 26 for the bottom for being arranged on dehydration device.
Claims (10)
1. a kind of blast furnace gas dewatering, it include it is following successively the step of：
I, which arrives the pressure control of blast furnace gas, is less than 50Pa, flow control to 3.5~5.5m/s；
II is dehydrated with the built-in dehydration rack (14) of housing (20) is welded between coal gas tapered pipeline (32) and heat exchanger (31),
Coal gas after dehydration enters heat exchanger (31).
2. a kind of blast furnace gas dewatering according to claim 1, it is characterized in that：The dehydration rack of the blast furnace gas
(14) mesh number of 8-12 layers of silk screen 4 is English system 8~10, and string diameter is between 0.6~0.8mm.
3. according to a kind of any described blast furnace gas dewatering of claim 1 or 2, it is characterized in that：Dewatering net is discharged in time
The water of frame (14) abjection.
4. a kind of blast furnace gas dehydration device used in claim 1, it have a cross section for rectangle be used for connect coal gas
The housing (20) of tapered pipeline (32) and heat exchanger (31), is filled with the dehydration rack (14) of dehydration in housing (20).
5. a kind of blast furnace gas dehydration device according to claim 4, it is characterized in that：Described dehydration rack (14) has
8-12 layers of silk screen (4), the mesh number of silk screen (4) is English system 8~10, and string diameter is between 0.6~0.8mm.
6. a kind of 4 or 5 any described blast furnace gas dehydration devices are required as requested, it is characterized in that：Described dewatering net
Frame (14) includes screen frame (1) and the fix bar (8) being connected, and screen frame (1) is made up of silk screen (4) and montant (2) with cross bar (3)
Screen frame (5), silk screen (4) is welded on screen frame (5) into wire frame (6)：Wire frame (6) is fastened on the rectangle net of four bars
Frame body (9) composition screen frame (1)；Screen frame (1) is divided into the first screen frame group (11), the second screen frame group (12) and the 3rd
Rack group (13), each group screen frame (1) mulberry is together；Phase between first screen frame group (11) and the second screen frame group (12)
It is separated by 40-60mm between 40-60mm, the second screen frame group (12) and the 3rd screen frame group (13), every group of screen frame group is used
The fix bar (8) of more than two is welded on together from above；
Rectangular flange lid (15) is also set up, the top of housing (20) sets rectangular opening (17), and rectangular opening (17) is welded square
Shape ring flange (19)；The fix bar (8) of dehydration rack (14) welds together with rectangular flange lid (15), rectangular flange lid (15)
Rectangular flange disk (19) is fastened on, there is sealing gasket (16) between the two, dehydration rack (14) is arranged in housing (20).
7. a kind of 4 or 5 any described blast furnace gas dehydration devices are required as requested, it is characterized in that：The shell of housing (20)
Body bottom (22) sets water seal arrangement (26), and water seal arrangement (26) is connected logical with downcomer (24).
8. a kind of blast furnace gas dehydration device described in 6 is required as requested, it is characterized in that：(20 housing bottom (22) is set housing
Water seal arrangement (26) is put, water seal arrangement (26) is connected logical with downcomer (24).
9. a kind of blast furnace gas dehydration device described in 7 is required as requested, it is characterized in that：Described silk screen（4) material is
Two phase stainless steel.
10. a kind of blast furnace gas dehydration device described in 8 is required as requested, it is characterized in that：Described silk screen（4) material is
Two phase stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430589.2A CN107119161A (en) | 2017-06-09 | 2017-06-09 | A kind of blast furnace gas dewatering and its dehydration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430589.2A CN107119161A (en) | 2017-06-09 | 2017-06-09 | A kind of blast furnace gas dewatering and its dehydration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961615A (en) * | 2017-12-29 | 2018-04-27 | 南京圣诺热管有限公司 | A kind of coal gas wire mesh dehydrator |
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|---|---|---|---|---|
| CN2686703Y (en) * | 2003-08-11 | 2005-03-23 | 李岩 | Silk net and dewatering device using same |
| DE102005017434A1 (en) * | 2005-04-15 | 2006-10-26 | Krumm, Wolfgang | Temperature control assembly for blast furnace has gasifier part-discharge to heat exchanger |
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2017
- 2017-06-09 CN CN201710430589.2A patent/CN107119161A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2686703Y (en) * | 2003-08-11 | 2005-03-23 | 李岩 | Silk net and dewatering device using same |
| DE102005017434A1 (en) * | 2005-04-15 | 2006-10-26 | Krumm, Wolfgang | Temperature control assembly for blast furnace has gasifier part-discharge to heat exchanger |
Non-Patent Citations (1)
| Title |
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| 高致远 等: "丝网脱水技术在高炉煤气处理中的应用", 《煤气与热力》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961615A (en) * | 2017-12-29 | 2018-04-27 | 南京圣诺热管有限公司 | A kind of coal gas wire mesh dehydrator |
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