CN208883918U - The bletilla afterheat utilizing system that disappears of washing slag water - Google Patents
The bletilla afterheat utilizing system that disappears of washing slag water Download PDFInfo
- Publication number
- CN208883918U CN208883918U CN201821438072.4U CN201821438072U CN208883918U CN 208883918 U CN208883918 U CN 208883918U CN 201821438072 U CN201821438072 U CN 201821438072U CN 208883918 U CN208883918 U CN 208883918U
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- CN
- China
- Prior art keywords
- water
- flushing cinder
- condenser
- washing slag
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000002893 slag Substances 0.000 title claims abstract description 47
- 238000005406 washing Methods 0.000 title claims abstract description 36
- 241001313855 Bletilla Species 0.000 title claims abstract description 14
- 239000003818 cinder Substances 0.000 claims abstract description 47
- 238000011010 flushing procedure Methods 0.000 claims abstract description 46
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 description 21
- 238000001816 cooling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model provides a kind of bletilla afterheat utilizing system that disappears of washing slag water, including collecting hood, pneumatic filter, air-introduced machine and the condenser being sequentially communicated by pipeline, the collecting hood is set to the top in flushing cinder pond, and the condensed water water outlet of the condenser is connected to flushing cinder pond by pipeline.The utility model is collected the mixed gas above flushing cinder pond using collecting hood, after pneumatic filter filters, it is sent into condenser using air-introduced machine, cooled down within the condenser using chilled water to the mixed gas above washing slag water pond and is condensed, to cut down white haze phenomenon, condensed water is again introduced into flushing cinder pond and carries out flushing cinder, economizes on resources.
Description
Technical field
The utility model relates to technical field of waste heat utilization more particularly to a kind of bletilla UTILIZATION OF VESIDUAL HEAT IN systems that disappears of washing slag water
System.
Background technique
With the fast development of China's economic, China Steel yield is also increasing year by year, and annual output was basic from 2011
Reach 700,000,000 tons or so, in recent years as country optimizes the economic structure and slightly rises and falls, but remain within higher annual output,
Consequent is that blast furnace ironmaking produces a large amount of blast furnace slag.
China's blast furnace slag treating process is mainly Water Quenching Slag technology mode.1400 DEG C -1500 DEG C of high temperature furnace in blast furnace
Slag is flowed out through cinder notch, when entering flushing cinder chute through slag runner, with certain water, hydraulic pressure and the chute gradient, makes water and slag stream
At certain angle of cut, impact, which is quenched, is melted into qualified grain slag.In Iron-smelting, the new water of flushing cinder consumption accounts for new water always consumes 50%
More than.1 ton of grain slag of punching consumes about 11.2 tons of new water, and cycling use of water amount is about 10 tons or so.It is produced according to steel production in China
500,000,000 tons are measured, is calculated by 350 kilograms of slag ratioes, is only used for the new water consumption of flushing cinder just more than 1.5 hundred million tons, accounts for the new water of steel and iron industry and disappear
The 4% of consumption.The physics heat for the blast furnace slag taken away by washing slag water accounts for 8% or so of ironmaking energy consumption, is about as much as 21 kilograms, mark
Coal (is calculated) by 350 kg/ton of iron.60-85 DEG C of the water temperature range of circulating water pool belongs to industrial low-temperature waste heat source, if be not added
To utilize, this portion of energy will be wasted.
Currently, the flushing cinder coolant-temperature gage of domestic steel mill is low, meanwhile, wherein containing more impurity and corrosive media, it is easy stifled
Pipeline and corrosion heat exchanger are filled in, and because its heat is big, the utilization rate as heating is not high, therefore is less frequently utilized its waste heat；Meanwhile it rushing
White haze status above pulp water pond causes visual pollution, contains SO in white haze2And SO3And the impurity escaped in slag, it makes
At the environmental protection large-scale waste not up to standard with waste heat.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of bletilla afterheat utilizing systems that disappears of washing slag water, with solution
The problem of certainly waste heat wastes and pollutes environment in background technique.
The utility model is achieved by the following technical solution:
The utility model provides a kind of bletilla afterheat utilizing system that disappears of washing slag water, including the receipts being sequentially communicated by pipeline
Collect cover, pneumatic filter, air-introduced machine and condenser, the collecting hood is set to the top in flushing cinder pond, the condenser it is cold
Condensate water outlet is connected to flushing cinder pond by pipeline.
Collecting hood is set above flushing cinder pond, pneumatic filter is set after collecting hood, the two is connected by pipeline, gas mistake
Air-introduced machine is set after filter, mixed gas is introduced into condenser using air-introduced machine pressurization, chilled water water inlet is set on condenser
With chilled water water outlet, mixed gas is down to room by chilled water and heat transfer of mixture gas by chilled water water inlet into 7 DEG C
Temperature is discharged, and the moisture being precipitated in gas is connected to by pipeline with flushing cinder pond, continues memory flushing cinder, 7 DEG C of chilled water is by changing
Hot temperature rise is to 12 DEG C, chilled water water outlet outflow.
Preferably, the outlet in the flushing cinder pond has been sequentially communicated filter, booster pump, heat exchanger and turbine by pipeline
The water outlet of machine, the heat exchanger is connected to flushing cinder pond by pipeline.
The filter can be multistage filter, carry out coarse filtration, thin filtering respectively, prevent it from blocking pipeline, then lead to
Piping pump pressurization, introduces the water into heat exchanger, using 85 DEG C -50 DEG C of washing slag water of heat organic working medium, utilizes organic work
Matter pushes turbine power generation, to generate economic benefit.Washing slag water after cooling enters flushing cinder pond and carries out flushing cinder again.By
The pressurized washing slag water of booster pump enters heat exchanger by the water inlet of heat exchanger, and machine working medium entrances are also set up on heat exchanger and are had
Machine sender property outlet, the organic working medium entrance are connected to the outlet of turbine, turbine described in the organic working medium outlet
Entrance, the organic working medium condensate liquid of turbine outlet outflow enters heat exchanger and exchanges heat with 85 DEG C -50 DEG C of washing slag water, organic
Working fluid condensate is converted into organic working medium steam by heating and enters turbine work, and the washing slag water after cooling passes through water outlet stream
Out, continue flushing cinder into flushing cinder pond.
Preferably, the water outlet of the heat exchanger be connected to the condenser condensed water water outlet and the flushing cinder pond it
Between pipeline.
The washing slag water of heat exchanger outflow and the condensed water of condenser outflow enter flushing cinder pond after converging jointly and carry out flushing cinder,
It economizes on resources.
Preferably, the gas outlet of the condenser is communicated with chimney.Mixed gas after cooling down in condenser passes through chimney
It is discharged.
Technical solution provided by the embodiment of the utility model may include it is following the utility model has the advantages that
The utility model provides a kind of bletilla afterheat utilizing system that disappears of washing slag water, including the receipts being sequentially communicated by pipeline
Collect cover, pneumatic filter, air-introduced machine and condenser, the collecting hood is set to the top in flushing cinder pond, the condenser it is cold
Condensate water outlet is connected to flushing cinder pond by pipeline.The utility model is received the mixed gas above flushing cinder pond using collecting hood
Collection gets up, and after pneumatic filter filters, is sent into condenser using air-introduced machine, within the condenser using chilled water to flushing cinder
Mixed gas above pond, which cools down, to be condensed, to cut down white haze phenomenon, condensed water is again introduced into flushing cinder pond and carries out flushing cinder, section
About resource.
Detailed description of the invention
Illustrate the utility model embodiment or technical solution in the prior art in order to clearer, it below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it is clear that, to those skilled in the art,
Without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of washing slag water provided by the embodiment of the utility model disappears the structural schematic diagram of bletilla afterheat utilizing system.
It is as shown in the figure: flushing cinder pond 1, collecting hood 2, pneumatic filter 3, air-introduced machine 4, condenser 5, chilled water water inlet
51, chilled water water outlet 52, condensed water water outlet 53, air inlet 54, gas outlet 55, chimney 6, filter 7, booster pump 8, heat exchange
Device 9, organic working medium entrance 91, organic working medium export 92, turbine 10.
Specific embodiment
It, below will be practical to this in order to make those skilled in the art more fully understand the technical solution in the utility model
Technical solution in new embodiment is clearly and completely described, it is clear that described embodiment is only the utility model
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, the protection scope of the utility model all should belong to.
Referring to Fig. 1, it is shown a kind of bletilla afterheat utilizing system that disappears of washing slag water provided by the embodiment of the utility model, is wrapped
Collecting hood 2, pneumatic filter 3, air-introduced machine 4 and the condenser 5 being sequentially communicated by pipeline are included, the collecting hood 2 is set to punching
The top in pulp water pond 1 is provided with chilled water water inlet 51, chilled water water outlet 52, condensed water water outlet on the condenser 5
53, air inlet 54 and gas outlet 55, the condensed water water outlet 53 are connected to flushing cinder pond 1 by pipeline, and the gas outlet 55 is logical
Piping is connected to chimney.
In the present embodiment, collecting hood 2 is set in the top in flushing cinder pond 1, collecting hood 2 is by the fog of the top of flushing cinder pond 1
It collecting, collecting hood 2 is connect by pipeline with pneumatic filter 3, and pneumatic filter 3 is filtered the gas being collected into,
Pneumatic filter 3 is connect by pipeline with air-introduced machine 4, and condenser 5 is connect by pipeline with air-introduced machine 4, after air-introduced machine 4 will filter
Gas is introduced into condenser 5 by air inlet 54, setting chilled water water inlet 51 and chilled water water outlet 52 on condenser 5,
Entering 7 DEG C of chilled water in chilled water water inlet 51, the mixed gas that 7 DEG C of chilled water enters with air inlet 51 exchanges heat,
Mixed gas is down to room temperature, the gas after cooling enters chimney 6 from gas outlet 55 and discharges, and the moisture being precipitated in gas passes through cold
Condensate water outlet 53 is connected to through pipeline with flushing cinder pond 1, is used for flushing cinder, and 7 DEG C of chilled water is by heat exchange temperature rise to 12 DEG C from cold
Freeze water water outlet 52 to flow out.Cooling condensation is carried out using mixed gas of the chilled water to 1 top of washing slag water pond, it is existing to have cut down white haze
As.
Further, in the present embodiment, the outlet in the flushing cinder pond 1 by pipeline be sequentially communicated filter 7, booster pump 8,
The water outlet of heat exchanger 9 and turbine 10, the heat exchanger 9 is connected to flushing cinder pond 1.
Multistage filter is arranged in the water outlet in the flushing cinder pond 1, carries out coarse filtration, thin filtering respectively, blocking is prevented to manage
Road, filtered washing slag water are introduced heat exchanger 9 after booster pump 8 is pressurized, are added using 85 DEG C -50 DEG C of heat of washing slag water
Hot organic working medium pushes turbine to generate electricity, to generate economic benefit using organic working medium.Specifically, the water inlet of heat exchanger 9
Into 85 DEG C -50 DEG C of washing slag water, the organic working medium entrance of heat exchanger 9 enters organic wage condensate liquid, organic working medium condensation
Liquid exchanges heat with washing slag water, heats organic working medium condensate liquid using 85 DEG C -50 DEG C of washing slag waters, organic working medium condensate liquid is inhaled
Become organic working medium steam after heat and enter turbine 10 from the organic working medium of heat exchanger 9 outlet 92, turbine is pushed to generate electricity, 85
DEG C -50 DEG C of washing slag water, which loses, to be become 50 DEG C or so of washing slag water after heat and flows out from water outlet, through in pipeline and condenser 5
Enter washing slag water pond after the condensed water mixing of outflow, continues flushing cinder.Organic working medium steam, which enters after turbine 10 acts on, to be become
At organic working medium condensate liquid, enter heat exchanger 9 from organic working medium entrance 91, heat exchange is converted into organic working medium steaming in heat exchanger 9
The work of turbine 10 is gone successively to after vapour.
Organic working medium is heated using the heat of washing slag water by the way that heat exchanger 9 is arranged, pushes turbine power generation, is generated economical
Benefit, the condensed water of washing slag water and the white system that disappears after cooling converges carries out flushing cinder again, economizes on resources.
Specifically, the condenser 5 uses 2205 materials, in the present embodiment to adapt to the corrosive conditions of mixed gas.Institute
It states heat exchanger 9 and uses 2205 materials, to adapt to the corrosive conditions of washing slag water.In the present embodiment, collecting hood 2, pneumatic filter 3,
Air-introduced machine 4 and condenser 5 collectively constitute the white system that disappears, and the white system that disappears, which realizes, subtracts white effect, and filter 7, changes booster pump 8
Hot device 9 and turbine 10 form residual neat recovering system, and residual neat recovering system pushes turbine system using washing slag water heating working medium
It generates electricity, produces economic benefit, while continuing flushing cinder using waste heat washing slag water after the recovery to realize water-saving, reduction sewage
Processing cost.The utility model realizes disappear white, energy-saving, reduction pollutant emission and water-saving multipurpose.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above embodiments are merely to illustrate the technical solution of the utility model simultaneously
Non- is limitations of the present invention, and the utility model is described in detail referring to preferred embodiment, this field
It is to be appreciated by one skilled in the art that those skilled in the art were made in the essential scope of the utility model
Variations, modifications, additions or substitutions also should belong to the claim protection of the utility model without departure from the objective of the utility model
Range.
Claims (5)
1. a kind of bletilla afterheat utilizing system that disappears of washing slag water, which is characterized in that including the collecting hood being sequentially communicated by pipeline
(2), pneumatic filter (3), air-introduced machine (4) and condenser (5), the collecting hood (2) are set to the top of flushing cinder pond (1),
The condensed water water outlet (53) of the condenser (5) is connected to flushing cinder pond (1) by pipeline.
2. the bletilla afterheat utilizing system that disappears of washing slag water according to claim 1, which is characterized in that the flushing cinder pond
(1) outlet has been sequentially communicated filter (7), booster pump (8), heat exchanger (9) and turbine (10), the heat exchange by pipeline
The water outlet of device (9) is connected to flushing cinder pond (1) by pipeline.
3. the bletilla afterheat utilizing system that disappears of washing slag water according to claim 2, which is characterized in that the heat exchanger (9)
Water outlet be connected to the pipeline between the condensed water water outlet (53) and the flushing cinder pond (1).
4. the bletilla afterheat utilizing system that disappears of washing slag water according to claim 3, which is characterized in that the heat exchanger (9)
On be provided with organic working medium entrance (91) and organic working medium outlet (92), the organic working medium entrance (91) is connected to turbine (10)
Outlet, organic working medium outlet (92) is connected to the entrance of the turbine (10).
5. the bletilla afterheat utilizing system that disappears of washing slag water according to claim 1-4, which is characterized in that described cold
The gas outlet of condenser (5) is communicated with chimney (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438072.4U CN208883918U (en) | 2018-09-04 | 2018-09-04 | The bletilla afterheat utilizing system that disappears of washing slag water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821438072.4U CN208883918U (en) | 2018-09-04 | 2018-09-04 | The bletilla afterheat utilizing system that disappears of washing slag water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208883918U true CN208883918U (en) | 2019-05-21 |
Family
ID=66510967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821438072.4U Expired - Fee Related CN208883918U (en) | 2018-09-04 | 2018-09-04 | The bletilla afterheat utilizing system that disappears of washing slag water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208883918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375557A (en) * | 2019-07-09 | 2019-10-25 | 鞍钢股份有限公司 | System and method for recovering waste heat of blast furnace slag flushing water |
| CN112375859A (en) * | 2020-10-21 | 2021-02-19 | 中冶南方工程技术有限公司 | Blast furnace quenching slag steam whitening system and method |
| CN112683068A (en) * | 2020-12-11 | 2021-04-20 | 浙江菲达环保科技股份有限公司 | Coupling treatment device and method for cement plant kiln tail white smoke and cooling tower white fog |
-
2018
- 2018-09-04 CN CN201821438072.4U patent/CN208883918U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375557A (en) * | 2019-07-09 | 2019-10-25 | 鞍钢股份有限公司 | System and method for recovering waste heat of blast furnace slag flushing water |
| CN112375859A (en) * | 2020-10-21 | 2021-02-19 | 中冶南方工程技术有限公司 | Blast furnace quenching slag steam whitening system and method |
| CN112683068A (en) * | 2020-12-11 | 2021-04-20 | 浙江菲达环保科技股份有限公司 | Coupling treatment device and method for cement plant kiln tail white smoke and cooling tower white fog |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 |
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| CF01 | Termination of patent right due to non-payment of annual fee |