CN204824938U - Can improve blast furnace furnace roof heat sink of cooling effect and stability - Google Patents
Can improve blast furnace furnace roof heat sink of cooling effect and stability Download PDFInfo
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- CN204824938U CN204824938U CN201520645116.0U CN201520645116U CN204824938U CN 204824938 U CN204824938 U CN 204824938U CN 201520645116 U CN201520645116 U CN 201520645116U CN 204824938 U CN204824938 U CN 204824938U
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- water
- furnace roof
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- overflow
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Abstract
The utility model provides a can improve blast furnace furnace roof heat sink of cooling effect and stability, belongs to blast furnace furnace roof cooling device technical field for to blast furnace furnace roof cooling carrying on accurate control. Its technical scheme is: the utility model discloses install the overflow pipe in force (forcing) pump and water supply main pipe's junction, install overflow control flap on the overflow pipe, through the overflow control flap on the reasonable adjustment overflow pipe, can adjust the water yield that the furnace roof was fetched water effectively, the furnace roof fetch water when not using also can through the overflow pipe in water supply main pipe, feedwater ring canal and spray gun remaining log raft clean to accuracy nature and reliable and stable nature from the master control that the furnace roof was fetched water have been improved. The utility model discloses a stove labour is fetched water the jury pump later stage and is replaced the furnace roof force (forcing) pump to save the investment and the maintenance cost of equipment, and the cost is reduced has good economic benefits. The utility model discloses simple structure, convenient to use have effectively improved furnace roof cooling device's cooling effect and stability.
Description
Technical field
The utility model relates to a kind of blast furnace roof heat sink that accurately can control, improve to blast furnace roof cooling cooling-down effect, belongs to blast furnace roof cooling system technical field.
Background technology
In blast furnace production process; blast furnace roof temperature usually can be caused to raise when conditions of blast furnace exception, throat temperature rising can affect the life-span of dedusting coal gas cloth bag, or scaling loss dedusting coal gas cloth bag; furnace roof also may be caused time serious to catch fire, scaling loss furnace top equipment.In order to ensure the throat temperature under conditions of blast furnace abnormal conditions, blast furnace must be provided with furnace roof heat sink, to cool raw gas, and protection furnace top equipment.Current furnace roof cool-down method is mainly taked to spray into atomized water to furnace roof and is lowered the temperature, because existing furnace roof spray gun of fetching water needs hydraulic pressure to reach 8Kpa could, effectively water atomization, therefore to need to pressurize to water.Existing two kinds of pressure methods, first method carries out entire pressurisation to the whole cooling water system of body of heater, and such pressure effect is fine, but quantities is too large, and drop into higher, and running cost can increase a lot, is generally difficult to adopt; Second method installs a set of furnace roof to fetch water supercharging device, reaches atomization requirement, mainly adopt at present and lower the temperature to blast furnace roof in this way.
Find in actual use, also there are some shortcomings in this method: first, and the investment of furnace roof dispensing device for water is larger; Secondly, the water yield of fetching water of conventional furnace roof dispensing device for water not easily adjusts according to practical situation, and the little meeting of the water yield causes spray time long, and cooling-down effect is poor, and the water yield is large, Gas Flow humidity can be caused excessive, be bonded on gas export control; Further, conventional furnace roof dispensing device for water, due to spray gun and the long-term water flowing of spray gun connecting pipeline of fetching water, if spray gun valve of fetching water breaks down, water can enter in stove along spray gun, causes conditions of blast furnace to fluctuate, and stove seriously can be caused cool.Therefore, in enforcement, a set of furnace roof is installed and fetches water in the second method of supercharging device, how more reliable and more stable and independently use furnace roof dispensing device for water accurately, just become the problem that relevant technologies personnel face.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of blast furnace roof heat sink that can improve cooling-down effect and stability, this furnace roof heat sink can regulate the water yield of fetching water, the accuracy from main control that raising furnace roof is fetched water and reliability, can also reduce investment and the maintenance cost of equipment simultaneously.
The technical scheme solved the problems of the technologies described above is:
A kind of blast furnace roof heat sink that can improve cooling-down effect and stability, it comprises force (forcing) pump, vibration means for main pipe for supplying water, feedwater endless tube, metallic hose, spray gun, force (forcing) pump is connected with feedwater endless tube by vibration means for main pipe for supplying water, feedwater endless tube is connected with spray gun by metallic hose, its improvements are, in the junction of force (forcing) pump outlet conduit and vibration means for main pipe for supplying water, overflow spout is installed, the water-in of overflow spout is connected with force (forcing) pump outlet conduit, the water outlet of overflow spout connects recovery tank, and overflow spout is provided with overflow control valve door.
The above-mentioned blast furnace roof heat sink that can improve cooling-down effect and stability, described force (forcing) pump adopts stove labour later stage stove skin to fetch water stand-by pump, the fetch water water-in of stand-by pump of stove labour later stage stove skin is connected with pumping plant by water inlet control valve door, the fetch water water outlet of stand-by pump of stove labour later stage stove skin is connected with vibration means for main pipe for supplying water by outlet water control valve door, and vibration means for main pipe for supplying water is connected with the endless tube that feeds water.
The beneficial effects of the utility model are:
The utility model is provided with overflow spout in the junction of force (forcing) pump and vibration means for main pipe for supplying water, overflow spout is provided with overflow control valve door, by the overflow control valve door on reasonable adjusting overflow spout, the water yield that can effectively regulate furnace roof to fetch water, also by overflow spout remaining water emptying in vibration means for main pipe for supplying water, feedwater endless tube and spray gun, thus the accuracy from main control and reliability that furnace roof fetches water can be improve when furnace roof is fetched water and do not used.The utility model adopts stove labour later stage stand-by pump of fetching water to replace furnace roof force (forcing) pump to save investment and the maintenance cost of equipment, reduces cost, has good economic benefit.The utility model structure is simple, easy to use, effectively improves cooling-down effect and the stability of furnace roof cooling system, blast furnace roof temperature can be avoided to raise when conditions of blast furnace occurs abnormal, ensures normally carrying out of production.
Accompanying drawing explanation
Fig. 1 is water supply part structural representation of the present utility model;
Fig. 2 is furnace roof water emitting portion structural representation of the present utility model.
In figure, mark is as follows: water inlet control valve door 1, force (forcing) pump 2, outlet water control valve door 3, reverse checkvalve 4, under meter 5, overflow control valve door 6, recovery tank 7, vibration means for main pipe for supplying water 8, feedwater endless tube 9, pressure unit 10, furnace throat 11, loose type flange 12, metallic hose 13, spray-gun water-feeding by-pass valve control 14, spray gun 15, overflow spout 16, pumping plant 17.
Embodiment
The utility model provide a kind of can more accurately, the blast furnace roof water injection heat sink of stable, reliable cooling of implementing to fetch water.
Show in figure, the utility model comprises water inlet control valve door 1, force (forcing) pump 2, outlet water control valve door 3, reverse checkvalve 4, under meter 5, overflow control valve door 6, recovery tank 7, vibration means for main pipe for supplying water 8, feedwater endless tube 9, pressure unit 10, loose type flange 12, metallic hose 13, spray-gun water-feeding by-pass valve control 14, spray gun 15, overflow spout 16.
Show in figure, force (forcing) pump 2 is connected with feedwater endless tube 9 by vibration means for main pipe for supplying water 8, and feedwater endless tube 9 is connected with spray gun 15 by metallic hose 13.
Middle setting-out is through water inlet control valve door 1, by force (forcing) pump 2, water is pressurizeed, feedwater endless tube 9 is arrived through outlet water control valve door 3, reverse checkvalve 4, vibration means for main pipe for supplying water 8, force (forcing) pump 2 is supplied to feedwater endless tube 9 water pressurization, meet hydraulic pressure >=8kpa, then arrive lance head 15 through metallic hose 13, spray-gun water-feeding by-pass valve control 14, spray gun 15 can reach the water yield and the fogging degree of processing requirement, and water atomization is entered in stove.And in 30 seconds, throat temperature can be dropped to less than 200, effectively control throat temperature and raise the unfavorable factor brought.
Show in figure, in the junction of force (forcing) pump 2 outlet conduit and vibration means for main pipe for supplying water 8, overflow spout 16 is installed, the water-in of overflow spout 16 is connected with force (forcing) pump outlet conduit, and the water outlet of overflow spout 16 connects recovery tank 7, and overflow spout 16 is provided with overflow control valve door 6.
The valve opening of overflow control valve door 6 regulates the water yield that accurately can control furnace roof and fetch water, according to practical situation, reference stream gauge 5 and pressure unit 10 regulate, and unnecessary water flows into recovery tank 7 by overflow spout 16, and the water of recovery tank 7 can reuse through water circulating pump station 17.When stopping furnace roof fetching water, have remaining water in spray gun 15, metallic hose 13, feedwater endless tube 9, vibration means for main pipe for supplying water 8, reverse checkvalve 4 can prevent residual water from pouring in down a chimney, and can open overflow control valve door 6, gets back to recovery tank 7 by overflow spout 16.Ensure that the reliable cut-out of furnace roof dispensing device for water, furnace roof dispensing device for water is more stable.
Show in figure, force (forcing) pump 2 adopts stove to use as a servant later stage stove skin and to fetch water stand-by pump, the fetch water water-in of stand-by pump of stove labour later stage stove skin is connected with pumping plant 17 by water inlet control valve door 1, the fetch water water outlet of stand-by pump of stove labour later stage stove skin is connected with vibration means for main pipe for supplying water 8 by outlet water control valve door 3, and vibration means for main pipe for supplying water 8 is connected with the endless tube 9 that feeds water.
Adopt stove labour later stage stand-by pump of fetching water to replace furnace roof force (forcing) pump 2 to save investment and the maintenance cost of equipment, reduce cost, there is good economic benefit.
The utility model is by the overflow control valve door 6 on reasonable adjusting overflow spout 16, the water yield that can effectively regulate furnace roof to fetch water, also by overflow spout 16 remaining water emptying in vibration means for main pipe for supplying water 8, feedwater endless tube 9 and spray gun 15, thus the accuracy from main control and reliability that furnace roof fetches water can be improve when furnace roof is fetched water and do not used.
Claims (2)
1. one kind can be improved the blast furnace roof heat sink of cooling-down effect and stability, it comprises force (forcing) pump (2), vibration means for main pipe for supplying water (8), feedwater endless tube (9), metallic hose (13), spray gun (15), force (forcing) pump (2) is connected with feedwater endless tube (9) by vibration means for main pipe for supplying water (8), feedwater endless tube (9) is connected with spray gun (15) by metallic hose (13), it is characterized in that: in the junction of force (forcing) pump (2) outlet conduit and vibration means for main pipe for supplying water (8), overflow spout (16) is installed, the water-in of overflow spout (16) is connected with force (forcing) pump (2) outlet conduit, the water outlet of overflow spout (16) connects recovery tank (7), overflow spout (16) is provided with overflow control valve door (6).
2. the blast furnace roof heat sink that can improve cooling-down effect and stability according to claim 1, it is characterized in that: described force (forcing) pump (2) adopts stove labour later stage stove skin to fetch water stand-by pump, the fetch water water-in of stand-by pump of stove labour later stage stove skin is connected with pumping plant (17) by water inlet control valve door (1), the fetch water water outlet of stand-by pump of stove labour later stage stove skin is connected with vibration means for main pipe for supplying water (8) by outlet water control valve door (3), and vibration means for main pipe for supplying water (8) is connected with the endless tube (9) that feeds water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645116.0U CN204824938U (en) | 2015-08-25 | 2015-08-25 | Can improve blast furnace furnace roof heat sink of cooling effect and stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645116.0U CN204824938U (en) | 2015-08-25 | 2015-08-25 | Can improve blast furnace furnace roof heat sink of cooling effect and stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204824938U true CN204824938U (en) | 2015-12-02 |
Family
ID=54682557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520645116.0U Expired - Fee Related CN204824938U (en) | 2015-08-25 | 2015-08-25 | Can improve blast furnace furnace roof heat sink of cooling effect and stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204824938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793335A (en) * | 2019-09-25 | 2020-02-14 | 广西金川有色金属有限公司 | Water leakage treatment method for furnace water cooling part |
| CN111411186A (en) * | 2019-01-04 | 2020-07-14 | 新疆八一钢铁股份有限公司 | Ou ye stove shaft furnace roof atomizer |
-
2015
- 2015-08-25 CN CN201520645116.0U patent/CN204824938U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411186A (en) * | 2019-01-04 | 2020-07-14 | 新疆八一钢铁股份有限公司 | Ou ye stove shaft furnace roof atomizer |
| CN110793335A (en) * | 2019-09-25 | 2020-02-14 | 广西金川有色金属有限公司 | Water leakage treatment method for furnace water cooling part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |