CN208395214U - A kind of blast furnace slag flushing steam disappears white system - Google Patents
A kind of blast furnace slag flushing steam disappears white system Download PDFInfo
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- CN208395214U CN208395214U CN201820753451.6U CN201820753451U CN208395214U CN 208395214 U CN208395214 U CN 208395214U CN 201820753451 U CN201820753451 U CN 201820753451U CN 208395214 U CN208395214 U CN 208395214U
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Abstract
The field more particularly to a kind of blast furnace slag flushing steam for disappearing white the utility model relates to steel plant's plume disappear white system, including steam of flushing cinder collects pipeline section, for collecting steam of flushing cinder；Steam of flushing cinder condenser is collected pipeline section with steam of flushing cinder and is connect, and is passed through cold medium and condenses to the steam of flushing cinder that flushing cinder steam collection pipe section imports；Steam of flushing cinder blowdown stack is exported with the steam of flushing cinder of steam of flushing cinder condenser and is connected, and is imported after mixing hot gas is mixed with steam of flushing cinder and be discharged.The technical issues of being mixed to form unsaturated flue gas using the cooling steam of flushing cinder of blast furnace furnace wall cooling water and using hot-blast stove fume and uncooled steam of flushing cinder, solve in using water quenching flush slag treatment process, eliminate white plume, solves environmental issue.
Description
Technical field
The field more particularly to a kind of blast furnace slag flushing steam for disappearing white the utility model relates to steel plant's plume disappear white system
System.
Background technique
A large amount of high temperature furnace slags are generated after steel plant's blast furnace ironmaking, the overwhelming majority carries out using water quenching method by washing slag water cold
But, washing slag water can generate a large amount of water vapour in cooling high temperature furnace slag, and water vapour is arranged by chimney to atmosphere, and not only waste is big
The heat of amount, and a large amount of white hazes are generated, it pollutes the environment.In the technique mistake for carrying out blast-furnace slag processing using washing slag water
40% heat of Cheng Zhong, clinker are pulled away in the form of water vapour, since washing slag water steam heat is huge, cause heat to environment
Pollution affects to the Chang Rong factory looks of steel plant, in addition, containing a large amount of hydrogen sulfide, titanium dioxide in blast furnace slag flushing steam
The emissions such as sulphur, slag wool cause serious corrosion and corrosion to blast furnace main equipment and blast furnace auxiliary device.Due to blast furnace ironmaking
Slagging tap is that interruption carries out, Water Quenching Slag be also it is discontinuous, disappeared white solution environmental issue using conventional method, investment is very
Greatly.Steel industry all does not disappear the popularization and application of white mature technology to blast furnace slag flushing steam both at home and abroad at present.
The manufacturing enterprise of some carries out the processing of blast-furnace slag using the INBA method of environmental protection, is steamed using water spray water
Vapour condenses steam, and the water after condensation flows back into flushing cinder pond, then be transported on cooling tower together with the water in flushing cinder pond carry out it is cold
But.This method shower water water consume is big, not applicable to the area that water price is high, meanwhile, this method does not eliminate how much water mist,
Only most of heat is turned to be taken away by cooling tower, a large amount of white hazes still can be generated on cooling tower.
Utility model content
The utility model is that a kind of steam of flushing cinder disappears white system, and main purpose is to overcome the shortcomings of the prior art
And disadvantage, shape is mixed with uncooled steam of flushing cinder using the cooling steam of flushing cinder of blast furnace furnace wall cooling water and using hot-blast stove fume
At unsaturated flue gas, the technical issues of solving in using water quenching flush slag treatment process, eliminate white plume, solve
Environmental issue.
The utility model is to be achieved by the following technical programs:
A kind of blast furnace slag flushing steam disappears white system, comprising:
Steam of flushing cinder collects pipeline section, for collecting steam of flushing cinder；
Steam of flushing cinder condenser is collected pipeline section with steam of flushing cinder and is connect, and is passed through cold medium to flushing cinder steam collection pipe section
The steam of flushing cinder of importing condenses；
Steam of flushing cinder blowdown stack is exported with the steam of flushing cinder of steam of flushing cinder condenser and is connected, and imports mixing hot gas
It is discharged after being mixed with steam of flushing cinder.
The condensation-water drain of the steam of flushing cinder condenser is connect with flushing cinder pond.
The cold medium is the blast furnace furnace wall cooling water from blast furnace furnace wall cooling system.
It is additionally provided with the cooling water system being connected with the blast furnace furnace wall cooling system.
The cold medium is heating water.
The mixing hot gas is hot-blast stove fume.
The steam of flushing cinder blowdown stack respectively steam of flushing cinder, mix hot gas incoming line on be equipped with air inducing fill
It sets.
The steam of flushing cinder collects pipeline section front end connection flushing cinder system granulation tower or steam of flushing cinder collects blowdown stack.
The steam of flushing cinder is collected pipeline section front end and is connect with the steam of flushing cinder collecting hood that sluice is equipped with.
The beneficial effects of the utility model are:
One: the used steam of flushing cinder condenser novel and unique of the utility model, effect is prominent, and used device structure is tight
Gather, occupied area it is small, be easily installed, safeguard, moreover it is possible to the burn into blockage problem of effective solution steam of flushing cinder.
Two: the utility model is steamed first by steam of flushing cinder by the steam of flushing cinder condenser of setting using cold medium and flushing cinder
Vapour exchanges heat, and steam of flushing cinder is cooled to be coagulated, and the condensed water that steam of flushing cinder generates, which returns to pulp water pond, can be recycled, and subtract
Shaochong slag system water consumption saves water resource.
Three: cold medium of the utility model using blast furnace furnace wall cooling water as condensation steam of flushing cinder does not have to newly-increased cooling
Water system reduces investment.
Four: thermal medium of the utility model using hot-blast stove outlet hot fume as mixed wind introduces mixed wind and smoke by blower
Road forms unsaturated flue gas, avoids non-condensing steam of flushing cinder heating consumption of calorie, reduces operating cost.
Five: the utility model can be replaced furnace wall cooling water with heating circulation water in winter.In winter, using heating water
Cooling steam of flushing cinder, heating water, which is heated, can be used for heating.Heat-recoverable is gone back while eliminating white plume to be used to heat,
Both reach the requirement of protection environment, moreover it is possible to generate good economic benefit.
Detailed description of the invention
Fig. 1 is the system structure diagram of the utility model.
In figure: 1. steam of flushing cinder collection pipeline section, 2. steam of flushing cinder condensers, 3. steam of flushing cinder blowdown stacks, 4. flushing cinder ponds,
5. hot-blast stove chimney, 6. air-introduced machines, 7. flushing cinder systems are granulated tower, 8. steam of flushing cinder collect blowdown stack, 9. sluices, 10. electricity
Dynamic valve.
A. cold medium, b. mixing hot gas, c. steam of flushing cinder.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing
And the utility model is described in further detail for most preferred embodiment.
As shown, the utility model includes
Steam of flushing cinder collects pipeline section 1, for collecting steam of flushing cinder c；
Steam of flushing cinder condenser 2 is collected pipeline section with steam of flushing cinder and is connect, and is passed through cold medium a to flushing cinder steam collection pipe
The steam of flushing cinder condensation that section imports；
Steam of flushing cinder blowdown stack 3 is exported with the steam of flushing cinder of steam of flushing cinder condenser and is connected, and imports mixing hot gas
B is discharged after mixing with steam of flushing cinder.
Preferably, steam of flushing cinder blowdown stack respectively steam of flushing cinder, mix hot gas incoming line on be equipped with air inducing
Device, specific blower unit are air-introduced machine 6, can also be respectively set cutting-off valve, the on-off of control piper, specifically can be with
For motor-driven valve 10；
Preferably, mixing hot gas is the hot-blast stove fume being discharged by hot-blast stove chimney 5.
This system comprising the following specific steps
1) pipeline section is collected by the steam of flushing cinder of front end and collects steam of flushing cinder；
2) steam of flushing cinder is introduced into steam of flushing cinder condenser using blower unit, by steam of flushing cinder condenser device portion
Divide water vapour condensation, reduces the absolute moisture content of steam of flushing cinder；
3) hot fume that blast funnace hot blast stove discharges is introduced into the white mixed wind and smoke road that disappears by flue using blower unit；
4) hot-blast stove that the not condensed water vapour of step 2) continues to introduce steam of flushing cinder blowdown stack and introducing is discharged
Hot fume mix, form unsaturated flue gas；
5) the unsaturated flue gas that step 4) obtains is connected in steam of flushing cinder blowdown stack, cigarette is discharged by steam of flushing cinder
Chimney is discharged into atmosphere, eliminates white plume.
Specifically, steam of flushing cinder, which collects pipeline section front end, connects steam of flushing cinder collection device.Using original steam of flushing cinder
Collection device collects steam of flushing cinder, and steam of flushing cinder collects pipeline section front end connection flushing cinder system granulation tower 7 or steam of flushing cinder collects row
Put chimney 8；
The new steam of flushing cinder collecting hood connection that can also be equipped on sluice 9.
Blast furnace furnace wall cooling water can be selected in cold medium a for disappearing white to steam of flushing cinder.While steam of flushing cinder condenser
Condensation-water drain is connect with flushing cinder pond 4.The condensed water of generation is flowed back into flushing cinder pond；
Specifically, steam of flushing cinder from bottom to top enters steam of flushing cinder condenser.Steam of flushing cinder condenser can from bottom to top according to
It is secondary to be formed by steel structure support section, into vapour receipts water section, it is described to be connected into vapour receipts water section by pipeline with the steam of flushing cinder of collection,
Steel structure support section is located at the bottommost of steam of flushing cinder condenser, is used to support entire steam of flushing cinder condenser；Water section is received into vapour
For the entrance of steam of flushing cinder and the recycling of condensed water.
Specifically, steam of flushing cinder is collected in blowdown stack to the not condensed steam of flushing cinder of steam of flushing cinder condenser discharge
Disappear white, by air-introduced machine respectively by the hot wind of steam of flushing cinder uncooled in steam of flushing cinder condenser and the discharge of hot-blast stove chimney
Furnace hot fume mixes, and forms unsaturated flue gas, eliminates white plume；Exhaust section is used to the air inlet mixing wind section and generate not
Saturated vapor is discharged into atmosphere.
Further, the top of the steam of flushing cinder condenser is equipped with cold medium import, the lower part of steam of flushing cinder condenser
It is exported equipped with cold medium, cold medium uses blast furnace furnace wall cooling water.Blast furnace ironmaking is the mode of slagging tap of discontinuous, is eliminated to reach
White plume must can eliminate white plume when maximum slag discharge amount, this just needs the cooling flushing cinder of a large amount of cooling waters to steam
Vapour, and do not generate steam of flushing cinder in the flushing cinder intermittent time and do not need the waste that cooling medium causes cooling system.However
The disappear cooling water of white needs of steam of flushing cinder is only the 10~15% of blast furnace furnace wall cooling water inflow, and be it is interrupted, such as using high
Furnace furnace wall cooling water disappears white cold medium as steam of flushing cinder, and blast furnace furnace wall cooling system only will increase blast furnace as heat storage pool
The a small amount of load of furnace wall cooling system.
It supplies water for cooperation, it is in communication to create a cooling water system except former blast furnace furnace wall cooling system, the cooling
Water system just has higher moisture storage capacity, and can guarantee cooling water stablizes supply.
Cold medium can also be heating water, and winter, recycling steam of flushing cinder waste heat was for heating.
Further, the hot fume of the white air mixing channel that disappears is using the hot-blast stove discharge introduced by blower unit
Hot fume.The flue gas partial that hot-blast stove generates is used for heated material, is partially used for direct emission, exhaust temperature is 150~200
DEG C, this partial fume heat wastes, and the flue gas partial of hot-blast stove outlet is such as introduced by air inlet by blower unit and mixes wind section,
Unsaturated flue gas is formed, system energy consumption is reduced.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
- The white system 1. a kind of blast furnace slag flushing steam disappears characterized by comprisingSteam of flushing cinder collects pipeline section, for collecting steam of flushing cinder；Steam of flushing cinder condenser is collected pipeline section with steam of flushing cinder and is connect, and is passed through cold medium and imports to flushing cinder steam collection pipe section Steam of flushing cinder condensation；Steam of flushing cinder blowdown stack is exported with the steam of flushing cinder of steam of flushing cinder condenser and is connected, and imports mixing hot gas and punching It is discharged after the mixing of slag steam.
- The white system 2. a kind of blast furnace slag flushing steam according to claim 1 disappears, which is characterized in that the steam of flushing cinder condensation The condensation-water drain of device is connect with flushing cinder pond.
- The white system 3. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the cold medium is Blast furnace furnace wall cooling water from blast furnace furnace wall cooling system.
- The white system 4. a kind of blast furnace slag flushing steam according to claim 3 disappears, which is characterized in that be additionally provided with and the blast furnace The cooling water system that furnace wall cooling system is connected.
- The white system 5. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the cold medium is Heating water.
- The white system 6. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the mixing hot gas Body is hot-blast stove fume.
- The white system 7. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the steam of flushing cinder Blowdown stack respectively steam of flushing cinder, mix hot gas incoming line on be equipped with blower unit.
- The white system 8. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the steam of flushing cinder It collects pipeline section front end connection flushing cinder system granulation tower or steam of flushing cinder collects blowdown stack.
- The white system 9. a kind of blast furnace slag flushing steam according to claim 1 or 2 disappears, which is characterized in that the steam of flushing cinder Pipeline section front end is collected to connect with the steam of flushing cinder collecting hood that sluice is equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753451.6U CN208395214U (en) | 2018-05-18 | 2018-05-18 | A kind of blast furnace slag flushing steam disappears white system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753451.6U CN208395214U (en) | 2018-05-18 | 2018-05-18 | A kind of blast furnace slag flushing steam disappears white system |
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| CN208395214U true CN208395214U (en) | 2019-01-18 |
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| CN201820753451.6U Active CN208395214U (en) | 2018-05-18 | 2018-05-18 | A kind of blast furnace slag flushing steam disappears white system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564284A (en) * | 2020-04-29 | 2021-10-29 | 洛阳瑞昌环境工程有限公司 | System for eliminating white waste steam of blast furnace slag flushing |
| CN114849269A (en) * | 2020-11-18 | 2022-08-05 | 福建立宜信科技股份有限公司 | Combined fog dispersal device and method with good water collection effect |
-
2018
- 2018-05-18 CN CN201820753451.6U patent/CN208395214U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564284A (en) * | 2020-04-29 | 2021-10-29 | 洛阳瑞昌环境工程有限公司 | System for eliminating white waste steam of blast furnace slag flushing |
| CN114849269A (en) * | 2020-11-18 | 2022-08-05 | 福建立宜信科技股份有限公司 | Combined fog dispersal device and method with good water collection effect |
| CN114849269B (en) * | 2020-11-18 | 2024-04-12 | 福建立宜信科技股份有限公司 | Combined defogging device and method with good water collecting effect |
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