CN204401022U - A kind of blast furnace cooling stave leakage detection locating device - Google Patents
A kind of blast furnace cooling stave leakage detection locating device Download PDFInfo
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- CN204401022U CN204401022U CN201520037856.6U CN201520037856U CN204401022U CN 204401022 U CN204401022 U CN 204401022U CN 201520037856 U CN201520037856 U CN 201520037856U CN 204401022 U CN204401022 U CN 204401022U
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Abstract
A kind of blast furnace cooling stave leakage detection locating device, belongs to blast furnace maintenance Apparatus and method for technical field, for blast furnace cooling stave leakage detection and judge the particular location of cooling stave leakage point on cooling stave.Its technical scheme is: water filling pressurising part, liquid level charactron, drain assembly and detected water tube for cooling wall of blast furnace are formed Communicating device, to water filling in detected water tube for cooling wall of blast furnace from water injection pipe, and fill discharge pressure pipe by nitrogen and suppress in detected water tube for cooling wall of blast furnace, can judge whether blast furnace cooling stave damages and accurately judge leak source position fast by the liquid level observing liquid level charactron.The utility model structure is simple, easy to operate, detect rapidly, detected result accurately and reliably, not only can to the rapid leakage detection of blast furnace cooling stave, and accurately can locate leakage point, the problem not obtaining for a long time effectively solving is solved with simple proofing unit, there is very positive practical function to production, be worth in industry applying.
Description
Technical field
The utility model relates to a kind of locating device blast furnace cooling stave being carried out to leakage detection, belongs to blast furnace maintenance equipment technical field.
Background technology
Blast furnace cooling stave is a kind of cooling structure be arranged between furnace shell and furnace lining, water-cooled tube is provided with and water flowing cooling in blast furnace cooling stave, the water-cooled tube of Modern Large Blast Furnaces cooling stave generally all adopts series system from bottom to top to connect, and thus the leakage detection work of cooling stave is very difficult.The method of current cooling stave leakage detection mainly contains: diminishing method, methods of printing, tensimeter observation and suppress the method for building the pressure.
Diminishing method: the flooding quantity namely reducing cooling stave to be checked, turns down the water outlet situation that water inlet joint observes this cooling stave rising pipe behind the door, judges whether this cooling stave damages leak with this.
Methods of printing: namely blast furnace pipe arrangement work closes the water inlet section door suspected and damage cooling stave, is shut by water coolant, then with the water outlet of the rising pipe of fire point cooling stave, if gas fire appears in water outlet, can illustrate that this cooling stave damages and leak.
By the change observing gauge hand on this cooling stave rising pipe instantaneous, tensimeter observation: namely blast furnace pipe arrangement work closes the Inlet and outlet water section door of cooling stave water pipe to be checked, judges whether cooling stave leaks.
Suppress the method for building the pressure: use when blast furnace staying, carry out water flowing with stamper to the cooling stave water pipe that suspection is leaked to suppress, build the pressure, observe the manometric change of stamper, if gauge hand is motionless, illustrate that this cooling stave water pipe does not damage, if pressure release even pointer back to zero time, can judge this cooling stave water pipe damage leak.
Above-mentioned four kinds of methods are in the work of cooling stave leakage detection, can only find is which root water pipe of which block cooling stave leaks, do not determine the particular location of leakage point in cooling stave, no matter therefore leakage point is actual at water inlet pipe and water outlet pipe root or in water pipe middle part, all adopt first to control water, after cut off the water supply, the refrigerating function of the cold post of copper or the method maintenance blast furnace cooling stave with poling is finally installed, and the refrigerating function that pipe root Welding Repair Technology recovers cooling stave completely can not be applied, therefore these leakage inspection methods are comparatively extensive, effectively can not process seepy question, reduce the work-ing life of cooling stave.
Chinese Patent Application No. 200610012434.9 discloses a kind of method of blast furnace cooling stave leakage-checking spacing, this cooling stave leakage inspection method can to leak section by Timeliness coverage, but do not determine the detail location of leakage point, therefore effectively cannot process the cooling stave that leaks.
Chinese Patent Application No. 201320261379.2 discloses a kind of portable blast furnace cooling stave leak detection device, this cooling stave leak detection device can move, security is also higher, but also there is the defect not determining leakage point detail location, effectively cannot process the cooling stave that leaks equally.
In view of current because of the deficiency of blast furnace cooling stave leakage inspection method, effectively can not process cooling stave and leak water problem, reduce the work-ing life of cooling stave, improve production cost, be extremely necessary to research and develop and a kind ofly can accurately can determine again the device of leak source position by leakage detection to blast furnace cooling stave.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of blast furnace cooling stave leakage detection locating device, this leak detection device is cheap for manufacturing cost, erecting equipment is rapid, simple to operate, leakage detection visual result and accurate positioning, leakage detection speed is fast, security is high, has very strong practicality.
The technical scheme solved the problems of the technologies described above is:
A kind of blast furnace cooling stave leakage detection locating device, it is by water filling pressurising pipe fitting, liquid level charactron, water-drainage tube part three part is formed, water filling pressurising pipe fitting comprises water injection pipe, Fill control valves, nitrogen fills discharge pressure pipe, nitrogen fills row pressure control valve, liquid level charactron is steel wire reinforcement transparent hose, water-drainage tube part comprises water shoot, water discharge valve, tensimeter, the feed-water end of water injection pipe is connected with water pipe, the feed-water end of water injection pipe installs Fill control valves, the water side of water injection pipe is connected with the upper end of a checked row water tube for cooling wall of blast furnace, the tube wall of the close water side of water injection pipe connects nitrogen and fills discharge pressure pipe, nitrogen fills discharge pressure pipe installs nitrogen to be filled row pressure control valve, water injection pipe is connected with the upper end of liquid level charactron, the lower end of liquid level charactron is connected with water shoot, the water side of water shoot is connected with the lower end of above-mentioned checked water tube for cooling wall of blast furnace, the discharge ends of water shoot installs water discharge valve, setting pressure table on water shoot.
Above-mentioned blast furnace cooling stave leakage detection locating device, the water-in of described water injection pipe is provided with water funnel, and the water side of water injection pipe is installed into water valve, installs outlet valve in the water side of water shoot.
Above-mentioned blast furnace cooling stave leakage detection locating device, the lower end of water injection pipe is connected with the upper end of liquid level charactron by rapid-acting coupling, and the lower end of liquid level charactron is connected with water shoot by rapid-acting coupling.
Usefulness of the present utility model is:
Blast furnace cooling stave leakage detection locating device of the present utility model utilizes Communicating device principle, directly can see the position of leak source from liquid level charactron, leakage detection visual result and precisely; Water filling pressurising part adopts nitrogen pressurising, and leakage detection is highly sensitive and leakage detection speed fast, and nitrogen pressurising can also avoid carbon monoxide poisoning hidden danger, has very high security.Blast furnace cooling stave leakage detection positioning device structure of the present utility model is simple, easy to operate, detect rapidly, detected result accurately and reliably, make easily simultaneously, cheap, overcome in prior art a difficult problem for the leak source position of the cooling stave water pipe being difficult to accurately find damage, initiating in blast furnace cooling stave maintenance technique, there is very positive practical function to production, be worth in industry applying.
Accompanying drawing explanation
Fig. 1 is blast furnace cooling stave leakage detection positioning device structure schematic diagram of the present utility model;
Fig. 2 is that intention installed by blast furnace cooling stave leakage detection locating device of the present utility model;
Fig. 3 is blast furnace cooling stave leakage detection locating device leakage detection operating diagram of the present utility model.
In figure, mark is as follows: water injection pipe 1, water funnel 2, Fill control valves 3, nitrogen fill discharge pressure pipe 4, and nitrogen fills row pressure control valve 5, water intaking valve 6, rapid-acting coupling 7, liquid level charactron 8, water shoot 9, outlet valve 10, water discharge valve 11, tensimeter 12, cast-iron cooling wall water pipe 13, cast-iron cooling wall 14, refractory materials 15, cooling stave hose 16, furnace shell 17, copper cooling wall 18, copper cooling wall water pipe 19, the cold pipe root 20 of copper.
Embodiment
Blast furnace cooling stave leakage detection locating device of the present utility model is by water filling pressurising pipe fitting, liquid level charactron, and water-drainage tube part three part is formed.Water filling pressurising pipe fitting comprises water injection pipe 1, water funnel 2, Fill control valves 3, nitrogen fill discharge pressure pipe 4, nitrogen fills row pressure control valve 5, water intaking valve 6, liquid level charactron 8 is steel wire reinforcement transparent hose, and water-drainage tube part comprises water shoot 9, outlet valve 10, water discharge valve 11, tensimeter 12.
Fig. 1 shows, water funnel 2 is arranged on the feed-water end on the top of water injection pipe 1, the bottom of water injection pipe 1 is herring-bone, the front portion of the water injection pipe 1 of herring-bone side is water side, water side is connected with the upper end of a checked row water tube for cooling wall of blast furnace, and the lower end of the water injection pipe 1 of herring-bone opposite side is connected with the upper end of liquid level charactron 8.The tube wall of the close water side of water injection pipe 1 connects nitrogen and fills discharge pressure pipe 4, install Fill control valves 3 and water intaking valve 6 respectively at the feed-water end of water injection pipe 1 upper end and the water side of side, the inlet end installation nitrogen filling discharge pressure pipe 4 at nitrogen fills row pressure control valve 5.Fill control valves 3 and nitrogen fill row pressure control valve 5 and can to control in blast furnace cooling stave leakage detection locating device water filling and suppress nitrogen.
Fig. 1 shows, and the lower end of water injection pipe 1 is connected by the upper end of rapid-acting coupling 7 with liquid level charactron 8, and the lower end of liquid level charactron 8 is connected by the upper end of rapid-acting coupling 7 with water shoot 9.
Fig. 1 shows, the bottom of water shoot 9 is herring-bone, lambdoid side has water side to be connected with the lower end of above-mentioned checked water tube for cooling wall of blast furnace, in the water side of water shoot 9, outlet valve 10 is installed, the lambdoid opposite side of water shoot 9 is water port, water port is installed water discharge valve 11, setting pressure table 12 on water shoot 9.Water in blast furnace cooling stave leakage detection locating device can emit by water discharge valve 11.Tensimeter 12 can monitor the pressure changing in blast furnace cooling stave leakage detection locating device at any time, and by controlling to suppress pressure, to ensure that liquid level charactron 8 is not split up, tensimeter 12 has the function of auxiliary judgment leakage detection simultaneously.
Fig. 2,3 displays, using method of the present utility model is as follows:
First, water injection pipe 1 water side of blast furnace cooling stave leakage detection locating device is connected by rapid-acting coupling 7 with row cast-iron cooling wall water pipe 13 upper end of checked cast-iron cooling wall 14, the lower end of the water side of the water shoot 9 of blast furnace cooling stave leakage detection locating device with above-mentioned checked cast-iron cooling wall water pipe 13 is connected by rapid-acting coupling 7 simultaneously.Be blast furnace copper cooling stave 18 between the blast-furnace cast iron cooling stave 14 at upper and lower two ends, install copper cooling wall water pipe 19 in the middle of copper cooling wall 18, copper cooling wall water pipe 19 is connected with the cast-iron cooling wall water pipe 13 at two ends.Blast furnace cooling stave leakage detection locating device and checked cast-iron cooling wall water pipe 13, copper cooling wall water pipe 19 form a Communicating device;
Secondly, open the Fill control valves 3 of water injection pipe 1 feed-water end, from water funnel 2 to water filling water injection pipe 1, open the water intaking valve 6 of water injection pipe 1 water side simultaneously, water filling in checked cast-iron cooling wall water pipe 13;
Then, open the nitrogen that nitrogen fills discharge pressure pipe 4 inlet mouth and fill row pressure control valve 5, in water injection pipe 1, suppress nitrogen;
Observe the liquid level water level in liquid level charactron 8 and the numerical value in tensimeter 12, if liquid level water level does not change, numerical value in tensimeter 12 does not also change, this row cast-iron cooling wall water pipe 13 is described, copper cooling wall water pipe 19 do not have breakage, if the numerical value in liquid level water level and tensimeter 12 declines, this row cast-iron cooling wall water pipe 13 is described, copper cooling wall water pipe 19 there occurs damage, the final height being highly this row cast-iron cooling wall water pipe 13, copper cooling wall water pipe 19 breakage that liquid level water level declines.
After inspection discovery blast furnace cooling stave leaks damage, following maintenance measures can be taked: if blast furnace cooling stave wall body leaks, can cut off the water supply to the cooling stave that leaks, eliminate cooling stave and leak in stove, install copper cooling stud simultaneously additional, repair the refrigerating function of cooling stave with the cold post of copper; If cooling stave water inlet pipe or rising pipe pipe root position leak, with the method repair welding pipe root leakage area of welding, cooling stave can be eliminated and leaks in stove, recover the refrigerating function of cooling stave.
Claims (3)
1. a blast furnace cooling stave leakage detection locating device, it is characterized in that: it is by water filling pressurising pipe fitting, liquid level charactron (8), water-drainage tube part three part is formed, water filling pressurising pipe fitting comprises water injection pipe (1), Fill control valves (3), nitrogen fills discharge pressure pipe (4), nitrogen fills row pressure control valve (4), liquid level charactron (8) is steel wire reinforcement transparent hose, water-drainage tube part comprises water shoot (9), water discharge valve (11), tensimeter (12), the feed-water end of water injection pipe (1) is connected with water pipe, the feed-water end of water injection pipe (1) installs Fill control valves (3), the water side of water injection pipe (1) is connected with the upper end of a checked row water tube for cooling wall of blast furnace, the tube wall of the close water side of water injection pipe (1) connects nitrogen and fills discharge pressure pipe (4), nitrogen fills the upper nitrogen of installing of discharge pressure pipe (4) and fills row pressure control valve (5), water injection pipe (1) is connected with the upper end of liquid level charactron (8), the lower end of liquid level charactron (8) is connected with water shoot (9), the water side of water shoot (9) is connected with the lower end of above-mentioned checked water tube for cooling wall of blast furnace, the discharge ends of water shoot (9) installs water discharge valve (11), at the upper setting pressure table (12) of water shoot (9).
2. blast furnace cooling stave leakage detection locating device according to claim 1, it is characterized in that: the water-in of described water filling (1) pipe is provided with water funnel (2), the water side of water injection pipe (1) is installed into water valve (6), installs outlet valve (10) in the water side of water shoot (9).
3. blast furnace cooling stave leakage detection locating device according to claim 1 and 2, it is characterized in that: the lower end of water injection pipe (1) is connected by the upper end of rapid-acting coupling (7) with liquid level charactron (8), the lower end of liquid level charactron (8) is connected with water shoot (9) by rapid-acting coupling (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037856.6U CN204401022U (en) | 2015-01-20 | 2015-01-20 | A kind of blast furnace cooling stave leakage detection locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520037856.6U CN204401022U (en) | 2015-01-20 | 2015-01-20 | A kind of blast furnace cooling stave leakage detection locating device |
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| Publication Number | Publication Date |
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| CN204401022U true CN204401022U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520037856.6U Expired - Fee Related CN204401022U (en) | 2015-01-20 | 2015-01-20 | A kind of blast furnace cooling stave leakage detection locating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611491A (en) * | 2015-01-20 | 2015-05-13 | 河北钢铁股份有限公司承德分公司 | Positioning device and method for leakage detection of blast furnace cooling wall |
| CN110846452A (en) * | 2019-11-27 | 2020-02-28 | 邯郸钢铁集团有限责任公司 | Device and method for searching leakage point of damaged cooling wall of blast furnace |
-
2015
- 2015-01-20 CN CN201520037856.6U patent/CN204401022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104611491A (en) * | 2015-01-20 | 2015-05-13 | 河北钢铁股份有限公司承德分公司 | Positioning device and method for leakage detection of blast furnace cooling wall |
| CN110846452A (en) * | 2019-11-27 | 2020-02-28 | 邯郸钢铁集团有限责任公司 | Device and method for searching leakage point of damaged cooling wall of blast furnace |
| CN110846452B (en) * | 2019-11-27 | 2024-02-09 | 邯郸钢铁集团有限责任公司 | Device and method for searching leakage points of damaged cooling wall of blast furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 067102 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei Patentee after: CHENGDE BRANCH OF HBIS Group Address before: 067102 Luanhe town finance square, Shuangluan District, Chengde, Hebei, Hebei iron and steel Limited by Share Ltd Chengde branch Patentee before: HEBEI IRON AND STEEL Co.,Ltd. CHENGDE BRANCH |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20220120 |