CN208933401U - A kind of system that blast furnace slag flushing water system eliminates " white cigarette " - Google Patents
A kind of system that blast furnace slag flushing water system eliminates " white cigarette " Download PDFInfo
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- CN208933401U CN208933401U CN201821607281.7U CN201821607281U CN208933401U CN 208933401 U CN208933401 U CN 208933401U CN 201821607281 U CN201821607281 U CN 201821607281U CN 208933401 U CN208933401 U CN 208933401U
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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
- Y02P10/20—Recycling
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model discloses the systems that a kind of blast furnace slag flushing water system eliminates " white cigarette ", it is characterised in that: including flushing cinder water system, High Temperature Moist Air condensing unit, dehydration device, Low Temperature Wet air heating apparatus and air-introduced machine and cooling system, heating system and catch basin and water recovery apparatus；Flushing cinder water system is upper and lower integral structure, and bottom is granulating pit, and middle part is cinder-flushing groove, and top is gas gathering mask, and High Temperature Moist Air condensing unit and dehydration device bottom are equipped with catch basin, and 2 catch basins pass through water recovery apparatus and are connected to granulating pit；Cooling system is equipped with inside High Temperature Moist Air condensing unit, heating system is equipped with inside Low Temperature Wet air heating apparatus, this method, which can be removed effectively, carries a large amount of moisture, residue and gas soluble particles in washing slag water High Temperature Moist Air, visual pollution is serious, prevents the corrosion of ambient enviroment facility and improves the utilization rate of enterprise's industry water.
Description
Technical field
The utility model relates to flushing cinder water white plume technical field more particularly to steel industry eliminate " white cigarette " system and
Method.
Background technique
World's crude steel yield in 2017 is 16.91 hundred million tons, and 16.06 hundred million tons compared with last year increase by 5.3%.Chinese crude steel yield
It is 8.32 hundred million tons, increases by 5.7% compared with last year；World's ratio is accounted for from 2016 49% rises to 49.2%.
Smelting iron and steel technique is related to three pollutant of exhaust gas, waste water and waste residue, wherein coking and sintering generate sulfide,
The exhaust gas such as nitrogen oxides and smoke-dust are the most serious.Wet quenching generates harmful wet steaming such as a large amount of HCN and H2S in process of coking
Vapour；Sintering process generates three kinds of exhaust gas in raw material and the processes such as product storage and transportation, broken, screening and heat-agglomerating, wherein sintered balls
The SO2 that group's flue gas generates accounts for steel mill's total emission volumn 70%.
Outside removing exhaust gas, coking, hot rolling water consumption are larger, wherein 70% sewage is cooling water.Solid waste focuses primarily upon refining
Iron, steel-making link, wherein converter dirt, electric furnace dirt occurrence quantity respectively may be about 20kg/t and 10~20kg/t.In three pollutants, greatly
Part solid waste and sewage are recyclable, environmental pollution limitation；Exhaust gas is administered because direct emission leads to haze
Difficulty is big, investment is high, the device is complicated, is steel enterprise pollution control emphasis.
Meanwhile increasingly frequently occurring with haze weather in China in recent years, " white cigarette " phenomenon attracts wide attention,
Visual pollution is serious, causes to seriously affect to ambient enviroment and resident living.
The flue gas that Chinese patent CN201721422761.1 discloses a kind of cooling and dehumidifying disappears white system, including temperature descending section changes
Hot device, desulfurizing tower, warming-up section heat exchanger and chimney, flue gas pass sequentially through temperature descending section heat exchanger, desulfurizing tower, warming-up section heat exchanger,
Chimney, wherein
The desulfurizing tower includes tower body and the slurry storage pond set on tower body bottom, is equipped with slurries above slurry storage pond and sprays
Shower pipe, the tower body top are equipped with desulfurizing tower exhanst gas outlet, and tower body is equipped with desulfurizing tower between the slurries spray tube of slurry storage pond
Smoke inlet, is equipped with flue gas cooling and dehumidifying device between the slurries spray tube and desulfurizing tower exhanst gas outlet, the flue gas is cooling
Dehumidification device includes cool water shower pipe and the drip tray below cool water shower pipe, the cool water shower pipe and cooling
Water water inlet pipe be connected, the drip tray be used for accept cool water shower pipe ejection cooling water and flue gas condensing generate condensate and
It is connected with cooling water return pipe；
The temperature descending section heat exchanger is equipped with temperature descending section heat exchanger exhaust gases passes and temperature descending section heat exchanger media channel, temperature descending section
Heat exchanger exhaust gases passes both ends are equipped with temperature descending section heat exchanger smoke inlet and temperature descending section heat exchanger exhanst gas outlet；
The warming-up section heat exchanger is equipped with warming-up section heat exchanger exhaust gases passes and warming-up section heat exchanger media channel, warming-up section
Heat exchanger exhaust gases passes both ends are equipped with warming-up section heat exchanger smoke inlet and warming-up section heat exchanger exhanst gas outlet；
The both ends of temperature descending section heat exchanger media channel pass through media lines and warming-up section heat exchanger media channel both ends respectively
Connection, heat transfer closed cycle in temperature descending section heat exchanger, warming-up section heat exchanger and media lines；
Temperature descending section heat exchanger exhanst gas outlet is connect by flue with desulfurizing tower smoke inlet, warming-up section heat exchanger flue gas
The flue that enters to make a slip of the tongue is connect with desulfurizing tower exhanst gas outlet, and warming-up section heat exchanger exhanst gas outlet is connect with chimney；
Flue gas enters temperature descending section heat exchanger exhaust gases passes by temperature descending section heat exchanger smoke inlet, through temperature descending section heat exchanger cigarette
Gas outlet enters desulfurizing tower and passes through after flue gas passes sequentially through slurries spray tube, drip tray, cool water shower pipe in desulfurizing tower
The outflow of desulfurizing tower exhanst gas outlet, the flue gas of desulfurizing tower exhanst gas outlet outflow enter warming-up section by temperature rise heat exchanger smoke inlet and change
Hot device exhaust gases passes flow out into chimney through warming-up section heat exchanger exhanst gas outlet.
The media lines are equipped with the heater for heat transfer concurrent heating in warming-up section heat exchanger front end.
The media lines are equipped with the heat collector for heat transfer cooling in flue gas cool-down heat exchanger rear end.
The heat transfer is water, and media lines are equipped with circulating pump and constant pressure supply water system.
The cooling water inlet pipe is connected by water pump with cooling tower with cooling water return pipe.
The cooling water inlet pipe is connected by water pump, water tank with heat taking and exchanging device with cooling water return pipe, forms cooling
Closed water circulation system.
But this system can only solve the problems, such as presentation to flue gas heating, that is, eliminate macroscopic " white haze ", discharge flue gas
The steam of middle entrained with is there is no reducing, therefore there is no substantive realization emission reductions, thus to the influence for administering haze nor
It is often limited.
Summary of the invention
The purpose of the utility model is to provide the systems that a kind of blast furnace slag flushing water system eliminates " white cigarette ", including punching
Slag-water system, High Temperature Moist Air condensing unit (4), dehydration device (6), Low Temperature Wet air heating apparatus (7) and air-introduced machine (8) with
And cooling system, heating system and catch basin (9) and water recovery apparatus；
The washing slag water system head is connect by pipeline with High Temperature Moist Air condensing unit (4) entrance, High Temperature Moist Air
Condensing unit (4) outlet is connect by pipeline with dehydration device (6) entrance, and dehydration device (6) outlet passes through pipeline and Low Temperature Wet
The connection of air heating apparatus (7) entrance, Low Temperature Wet air heating apparatus (7) outlet are connected to flushing cinder water system by air-introduced machine (8)
System top；
The High Temperature Moist Air condensing unit (4) and dehydration device (6) bottom are equipped with catch basin (9), 2 catch basins
(9) washing slag water system bottom is connected to by water recovery apparatus；
It is equipped with cooling system inside the High Temperature Moist Air condensing unit (4), is set inside Low Temperature Wet air heating apparatus (7)
There is heating system.
Further, the flushing cinder water system is upper and lower integral structure, and bottom is granulating pit (1), and middle part is cinder-flushing groove
(2), top is gas gathering mask (3)；The gas gathering mask (3) is connect by pipeline with High Temperature Moist Air condensing unit (4) entrance, described
Low Temperature Wet air heating apparatus (7) outlet is connect by air-introduced machine (8) with gas gathering mask (3), and the catch basin (9) is filled by return water
It sets and is connected to granulating pit.
Further, the cooling system includes booster pump (5) and condensation pipe, and refrigerant is pumped by the booster pump (5)
Condensation pipe realizes condensation cooling.
Further, the refrigerant is cold water.
Further, the heating system is pipeline and heat exchanger, and heating agent is heated by pipeline and heat exchanger.
Further, the heating agent is steam, hot water or hot gas.
Further, the water recovery apparatus is condensate pump.
The beneficial effects of the utility model are as follows:
Compared with prior art, method of the invention can be eliminated in the case where high temperature, height are containing wet environment from blast furnace slag flushing
" white cigarette " of water system gas gathering mask discharge, can effectively remove and carry a large amount of moisture, residue in washing slag water High Temperature Moist Air
And gas soluble particles, elimination visual pollution is serious, prevent the corrosion of ambient enviroment facility and improves the utilization rate of enterprise's industry water.
Detailed description of the invention
A kind of Fig. 1: structural schematic diagram of implementation of the utility model；
In figure: appended drawing reference: 1, blast furnace slag quenching water system granulating pit；2, blast furnace slag flushing water system cinder-flushing groove；3, blast furnace rushes
Slag-water system gas gathering mask；4, High Temperature Moist Air condensing unit；5, booster water pump, 6, dehydration device；7, low temperature humid air heating dress
It sets；8, air-introduced machine；9, catch basin；10, condensate pump；A, cooling backwater；B, low-temperature cooling water；C, cryogenic media；D, high-temperature medium
Specific embodiment
It is described further below in conjunction with drawings and examples.
The utility model provides a kind of system that blast furnace slag flushing water system eliminates " white cigarette ", by High Temperature Moist Air
Cooling and dehydration device, reduce the water capacity of saturated moist air, remove a large amount of moisture, residue and gas dissolubility in dehumidified air
Humid air after cooling is being warming up to saturation curve or more, to eliminate " white cigarette " by grain.This method can effectively remove flushing cinder
A large amount of moisture, residue and gas soluble particles are carried in water High Temperature Moist Air, elimination visual pollution is serious, prevents ambient enviroment from setting
The utilization rate of the corrosion and raising enterprise's industry water applied.
A kind of system that blast furnace slag flushing water system eliminates " white cigarette ", including pass through the sequentially connected flushing cinder water system of pipeline
(granulating pit, cinder-flushing groove, gas gathering mask), High Temperature Moist Air condensing unit, dehydration device, Low Temperature Wet air heating apparatus and air-introduced machine
And cooling water system, steam, hot water or hot gas systems and condensed water catch basin and water recovery apparatus；Blast furnace slag flushing water system collection
The high temperature saturated moist air that gas hood comes out before discharging, by condenser device and dehydration device, will be condensed by catch basin and
The condensate liquid removed is sent into the granulating pit of washing slag water system bottom, and the humid air after condensation cooling enters heating dress
It sets, the humid air after heating returns to gas gathering mask by air-introduced machine and emptied.
As shown in Figure 1, the system that a kind of blast furnace slag flushing water system of the present invention eliminates " white cigarette ", including by pipeline according to
The flushing cinder water system (granulating pit 1, cinder-flushing groove 2, gas gathering mask 3) of secondary connection, High Temperature Moist Air condensing unit 4, dehydration device 6 and low
Warm and humid air heating apparatus 7 and cooling water system, steam, hot water or hot gas systems and with condensed water catch basin 9 and return water
Device；The high temperature saturated moist air that blast furnace slag flushing water system gas gathering mask 3 comes out before discharging, is filled by High Temperature Moist Air condenser
4 and dehydration device 6 are set, the condensate liquid for condensing and removing is sent by condensate pump 10 by flushing cinder water system by catch basin 9
The granulating pit 1 of bottom, the humid air after condensation cooling enter Low Temperature Wet air heating apparatus 7, and the humid air after heating is logical
The return gas gathering mask 3 of air-introduced machine 8 is crossed to be emptied.
The system that this blast furnace slag flushing water system eliminates " white cigarette ", including flushing cinder water system (granulating pit 1, cinder-flushing groove 2, collection
Gas hood 3), the granulating pit 1 on the Slag-water system is connect with cinder-flushing groove 2, then is connect with gas gathering mask 3, gas gathering mask and high warm and humid sky
Gas condensing unit 4 is connected by air hose, and High Temperature Moist Air condensing unit 4 is connect with Low Temperature Wet air heating apparatus 7 by air hose；
Dehydration device 6 is set between the High Temperature Moist Air condensing unit 4 and Low Temperature Wet air heating apparatus 7；It is described to be connected by air hose
Heating device 7 and air-introduced machine 8 are connect, it is described that Low Temperature Wet air heating apparatus 7 and gas gathering mask 3 are connected by air hose.
The system that this blast furnace slag flushing water system eliminates " white cigarette ", including cooling water system, steam, hot water or hot gas system
System, the cooling water are connect by pipeline with High Temperature Moist Air condensing unit 4, catch basin 9 and condensing unit 4 and dehydration device 6
Connection, the catch basin 9 are connect by pipeline with condensate water pump 10；The steam, hot water or hot gas and low temperature humid air add
Thermal 7 is connected by pipeline.
The system that this blast furnace slag flushing water system eliminates " white cigarette " is filled by High Temperature Moist Air condenser device 4 and dehydration
6 are set, the condensate liquid for condensing and removing is sent into the granulating pit of washing slag water system bottom by catch basin 9 by condensate pump 10
1。
Compared with prior art, the utility model can be eliminated in the case where high temperature, height are containing wet environment from blast furnace slag quenching water
System gas gathering mask discharge " white cigarette ", can effectively remove carried in washing slag water High Temperature Moist Air a large amount of moisture, residue and
Gas soluble particles, elimination visual pollution is serious, prevent the corrosion of ambient enviroment facility and improves the utilization rate of enterprise's industry water.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the concept of the premise utility, these improvements and modifications
Also it should be regarded as in scope of protection of the utility model.
Claims (7)
1. the system that a kind of blast furnace slag flushing water system eliminates " white cigarette ", it is characterised in that: including flushing cinder water system, High Temperature Moist Air
Condensing unit (4), dehydration device (6), Low Temperature Wet air heating apparatus (7) and air-introduced machine (8) and cooling system, heating system
With catch basin (9) and water recovery apparatus；
The washing slag water system head is connect by pipeline with High Temperature Moist Air condensing unit (4) entrance, High Temperature Moist Air condensation
Device (4) outlet is connect by pipeline with dehydration device (6) entrance, and dehydration device (6) outlet passes through pipeline and low temperature humid air
The connection of heating device (7) entrance, Low Temperature Wet air heating apparatus (7) outlet are connected to flushing cinder water system top by air-introduced machine (8)
Portion；
The High Temperature Moist Air condensing unit (4) and dehydration device (6) bottom are equipped with catch basin (9), and 2 catch basins (9) are equal
Washing slag water system bottom is connected to by water recovery apparatus；
It is equipped with cooling system inside the High Temperature Moist Air condensing unit (4), is equipped with and adds inside Low Temperature Wet air heating apparatus (7)
Hot systems.
2. the system that a kind of blast furnace slag flushing water system according to claim 1 eliminates " white cigarette ", it is characterised in that: the punching
Slag-water system is upper and lower integral structure, and bottom is granulating pit (1), and middle part is cinder-flushing groove (2), and top is gas gathering mask (3)；It is described
Gas gathering mask (3) is connect by pipeline with High Temperature Moist Air condensing unit (4) entrance, and the Low Temperature Wet air heating apparatus (7) goes out
Mouth is connect by air-introduced machine (8) with gas gathering mask (3), and the catch basin (9) is connected to granulating pit (1) by water recovery apparatus.
3. the system that a kind of blast furnace slag flushing water system according to claim 1 or 2 eliminates " white cigarette ", it is characterised in that: institute
Stating cooling system includes booster pump (5) and condensation pipe, and refrigerant is pumped into condensation pipe by the booster pump (5), realizes condensation drop
Temperature.
4. the system that a kind of blast furnace slag flushing water system according to claim 3 eliminates " white cigarette ", it is characterised in that: described cold
Matchmaker is cold water.
5. the system that a kind of blast furnace slag flushing water system according to claim 1 or 2 eliminates " white cigarette ", it is characterised in that: institute
Stating heating system is pipeline and heat exchanger, and heating agent is heated by pipeline and heat exchanger.
6. the system that a kind of blast furnace slag flushing water system according to claim 5 eliminates " white cigarette ", it is characterised in that: the heat
Matchmaker is steam, hot water or hot gas.
7. the system that a kind of blast furnace slag flushing water system according to claim 1 or 2 eliminates " white cigarette ", it is characterised in that: institute
Stating water recovery apparatus is condensate pump (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607281.7U CN208933401U (en) | 2018-09-29 | 2018-09-29 | A kind of system that blast furnace slag flushing water system eliminates " white cigarette " |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821607281.7U CN208933401U (en) | 2018-09-29 | 2018-09-29 | A kind of system that blast furnace slag flushing water system eliminates " white cigarette " |
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| Publication Number | Publication Date |
|---|---|
| CN208933401U true CN208933401U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821607281.7U Active CN208933401U (en) | 2018-09-29 | 2018-09-29 | A kind of system that blast furnace slag flushing water system eliminates " white cigarette " |
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| CN (1) | CN208933401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522458A (en) * | 2020-12-23 | 2021-03-19 | 西安江凌环保科技有限公司 | White smoke treatment method for blast furnace ironmaking slag flushing tank |
-
2018
- 2018-09-29 CN CN201821607281.7U patent/CN208933401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112522458A (en) * | 2020-12-23 | 2021-03-19 | 西安江凌环保科技有限公司 | White smoke treatment method for blast furnace ironmaking slag flushing tank |
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