CN104611491A - Positioning device and method for leakage detection of blast furnace cooling wall - Google Patents

Positioning device and method for leakage detection of blast furnace cooling wall Download PDF

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Publication number
CN104611491A
CN104611491A CN201510027274.4A CN201510027274A CN104611491A CN 104611491 A CN104611491 A CN 104611491A CN 201510027274 A CN201510027274 A CN 201510027274A CN 104611491 A CN104611491 A CN 104611491A
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China
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water
blast furnace
cooling
pipe
liquid level
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CN201510027274.4A
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Chinese (zh)
Inventor
陈树军
毕忠新
张晓冬
白国成
李海军
姜汀
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河北钢铁股份有限公司承德分公司
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Priority to CN201510027274.4A priority Critical patent/CN104611491A/en
Publication of CN104611491A publication Critical patent/CN104611491A/en

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Abstract

The invention discloses a positioning device and method for leakage detection of a blast furnace cooling wall, and belongs to the technical field of blast furnace overhauling equipment and method. The device and the method are used for leakage detection of the blast furnace cooling wall and judgment of specific locations of water leakage points on the cooling wall. According to the technical scheme, a communicating device comprises water injection pressurizing parts, a liquid level display pipe, a drain assembly and detected blast furnace cooling wall water pipes; water is injected to the detected blast furnace cooling wall water pipes from a water injection pipe, and the detected blast furnace cooling wall water pipes are pressurized through a nitrogen pressure charging and discharging pipe; through observation of the liquid level of the liquid level display pipe, whether the blast furnace cooling wall is damaged can be rapidly judged, and the leakage point locations can be accurately judged. The device is simple in structure, convenient to operate and fast in detection, and a detecting result is accurate and reliable. The method can rapidly detect leakage of the blast furnace cooling wall and can accurately position the water leakage points, the problems that are not solved for a long time are solved with the simple detection device and method, and the device and the method are firstly created in the blast furnace cooling wall maintenance technology.

Description

A kind of blast furnace cooling stave leakage detection locating device and method

Technical field

The present invention relates to a kind of locating device and method of blast furnace cooling stave being carried out to leakage detection, belong to blast furnace maintenance Apparatus and method for 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 apparatus and method of leak source position by leakage detection to blast furnace cooling stave.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of blast furnace cooling stave leakage detection locating device and method, this leak detection device is cheap for manufacturing cost, erecting equipment is rapid, simple to operate, leakage detection localization method 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.

Use a blast furnace cooling stave leakage inspection method for above-mentioned blast furnace cooling stave leakage detection locating device, it adopts following steps to carry out:

A. the upper end of the water injection pipe water side of blast furnace cooling stave leakage detection locating device with a checked row water tube for cooling wall of blast furnace is connected by rapid-acting coupling, the lower end of the water shoot water side of blast furnace cooling stave leakage detection locating device with above-mentioned checked water tube for cooling wall of blast furnace is connected by rapid-acting coupling simultaneously, makes blast furnace cooling stave leakage detection locating device and a checked row water tube for cooling wall of blast furnace form a Communicating device;

B. open the Fill control valves of water injection pipe feed-water end, from water funnel to water filling water injection pipe, open the water intaking valve of water injection pipe water side simultaneously, water filling in checked water tube for cooling wall of blast furnace;

C. open the nitrogen that nitrogen fills discharge pressure pipe inlet end and fill row pressure control valve, in water injection pipe, suppress nitrogen;

D. observe the liquid level water level in liquid level charactron and the numerical value in tensimeter, if liquid level water level does not change, the numerical value in tensimeter does not also change, and illustrates that this row water tube for cooling wall of blast furnace does not have breakage; If liquid level water level declines, the numerical value in tensimeter declines, and illustrates that this row water tube for cooling wall of blast furnace there occurs damage, the final height being highly this row water tube for cooling wall of blast furnace breakage that liquid level water level declines.

Usefulness of the present invention is:

Blast furnace cooling stave leakage detection locating device of the present invention 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 invention is simple, easy to operate, detect rapidly, detected result accurately and reliably, make easily simultaneously, cheap.

Blast furnace cooling stave leakage inspection method of the present invention not only can to the rapid leakage detection of blast furnace cooling stave, and accurately can locate leakage point, enable blast furnace man author for the different particular location of leakage point on cooling stave, take corresponding cooling stave reclamation activities, thus extend the work-ing life of cooling stave.Instant invention overcomes 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, the problem not obtaining for a long time effectively solving is solved with simple proofing unit and method, 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 invention;

Fig. 2 is that intention installed by blast furnace cooling stave leakage detection locating device of the present invention;

Fig. 3 is blast furnace cooling stave leakage detection locating device leakage detection operating diagram of the present invention.

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 invention 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, blast furnace cooling stave leakage inspection method of the present invention, it adopts following steps to carry out:

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.

One embodiment of the present of invention are as follows:

(1) field assembly blast furnace cooling stave leakage detection locating device.

The water filling pipe fitting of this device, liquid level charactron 8, water-drainage tube part rapid-acting coupling 7 are connected, open Fill control valves 3, nitrogen fills row pressure control valve 5, close water intaking valve 6, outlet valve 10, water discharge valve 11.

(2) to water filling in blast furnace cooling stave leakage detection locating device.

Water is accessed water funnel 2, current enter water injection pipe 1 through Fill control valves 3, close Fill control valves 3 after water fills, and close nitrogen and fill row pressure control valve 5.

(3) blast furnace cooling stave leakage detection locating device is connected with water tube for cooling wall of blast furnace.

Utilize blast furnace maintenance chance, with rapid-acting coupling 7, the water injection pipe 1 of cast-iron cooling wall water pipe 13 to be checked, copper cooling wall water pipe 19 and blast furnace cooling stave leakage detection locating device, water shoot 9 are connected, open water intaking valve 6, outlet valve 10.

(4) suppress in blast furnace cooling stave leakage detection locating device.

Nitrogen tube UNICOM to nitrogen is filled discharge pressure pipe 4, opens nitrogen and fill row pressure control valve 5, positive delivery nitrogen in blast furnace cooling stave leakage detection locating device, equipressure table 12 reaches preset value 0.6MPa, nitrogen is filled row pressure control valve 5 and closes.

(5) judge that cooling stave water pipe is water-tight.

The indicating value change of the change that in observation liquid level charactron 8, water level is put and tensimeter 12, if water level does not decline in liquid level charactron 8, tensimeter 12 indicating value also without reduction, then judges that cooling stave water pipe is water-tight.Close water intaking valve 6, outlet valve 10, rapid-acting coupling 7 and cast-iron cooling wall water pipe 13, copper cooling wall water pipe 19 are disconnected the water supply recovering this group cooling stave water pipe.

(6) judge that cooling stave water pipe leaks.

The indicating value change of the change that in observation liquid level charactron 8, water level is put and tensimeter 12, if water level decreasing in liquid level charactron 8, tensimeter 12 indicating value also reduces, then judge that cooling stave water pipe leaks.

If the copper of copper cooling wall water pipe 19 cold pipe root 20 weld cracking leaks, then on the top of nitrogen, pressure flows in stove along copper cooling wall 18 water.For nitrogen pressure in anti-locking apparatus declines too much, when observe water level in liquid level charactron 8 put drop to middle and upper part rapid-acting coupling less than 7 time, intermittently can open nitrogen and fill row pressure control valve 5 suitably pressurising.The water surface meanwhile in liquid level charactron 8 and copper cooling wall water pipe 19 reduces simultaneously, no longer changes until the water level on both sides is down to copper cold pipe root 20 weld cracking place.So just determined the detailed position that copper cooling wall 18 leaks.

After judging leakage area, remove nitrogen tube, nitrogen is filled row pressure control valve 5 and open, nitrogen with pressure is filled discharge pressure pipe 4 discharged to air by nitrogen.Treat that pressure excretion is complete, close water intaking valve 6, outlet valve 10, rapid-acting coupling 7 and cast-iron cooling wall water pipe 13, copper cooling wall water pipe 19 are disconnected.

(7) to other group cooling stave water pipe leakage detection.

Repeating step 2-step 6.

Whole cooling stave to be checked checks complete, opens nitrogen and fills row pressure control valve 5, Fill control valves 3, opens water discharge valve 11 and is discharged by the water in blast furnace cooling stave leakage detection locating device.

Claims (4)

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).
4. use a blast furnace cooling stave leakage inspection method for above-mentioned blast furnace cooling stave leakage detection locating device, it is characterized in that: it adopts following steps to carry out:
A. water injection pipe (1) water side of blast furnace cooling stave leakage detection locating device is connected by rapid-acting coupling (7) with the upper end of a checked row water tube for cooling wall of blast furnace, water shoot (9) water side of blast furnace cooling stave leakage detection locating device is connected by rapid-acting coupling (7) with the lower end of above-mentioned checked water tube for cooling wall of blast furnace simultaneously, makes blast furnace cooling stave leakage detection locating device and a checked row water tube for cooling wall of blast furnace form a Communicating device;
B. 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, water filling in checked water tube for cooling wall of blast furnace simultaneously;
C. open the nitrogen that nitrogen fills discharge pressure pipe (4) inlet end and fill row pressure control valve (5), in water injection pipe (1), suppress nitrogen;
D. 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, the numerical value in tensimeter (12) does not also change, and illustrates that this row water tube for cooling wall of blast furnace does not have breakage; If liquid level water level declines, the numerical value in tensimeter (12) declines, and illustrates that this row water tube for cooling wall of blast furnace there occurs damage, the final height being highly this row water tube for cooling wall of blast furnace breakage that liquid level water level declines.
CN201510027274.4A 2015-01-20 2015-01-20 Positioning device and method for leakage detection of blast furnace cooling wall CN104611491A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104928423A (en) * 2015-06-19 2015-09-23 武汉钢铁(集团)公司 Blast furnace cooling wall leakage detection device
CN105546990A (en) * 2015-12-08 2016-05-04 马鞍山钢铁股份有限公司 Quick drainage device for water-cooled part and using method thereof
CN106282450A (en) * 2015-06-09 2017-01-04 宝山钢铁股份有限公司 A kind of cool stove water level automatic control device protecting blast-furnace shaft carbon brick and method
CN109321700A (en) * 2017-07-31 2019-02-12 宝山钢铁股份有限公司 A kind of blast furnace cooling wall breakage detection separation method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2481725Y (en) * 2001-04-19 2002-03-13 山东省冶金设计院 Blast furnace capable of visual leakage detecting cooling wall
CN201464143U (en) * 2009-07-11 2010-05-12 山西太钢不锈钢股份有限公司 Special tool for detecting water leakage point of water-cooling pipe on cooling wall of blast furnace
CN204401022U (en) * 2015-01-20 2015-06-17 河北钢铁股份有限公司承德分公司 A kind of blast furnace cooling stave leakage detection locating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2481725Y (en) * 2001-04-19 2002-03-13 山东省冶金设计院 Blast furnace capable of visual leakage detecting cooling wall
CN201464143U (en) * 2009-07-11 2010-05-12 山西太钢不锈钢股份有限公司 Special tool for detecting water leakage point of water-cooling pipe on cooling wall of blast furnace
CN204401022U (en) * 2015-01-20 2015-06-17 河北钢铁股份有限公司承德分公司 A kind of blast furnace cooling stave leakage detection locating device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106282450A (en) * 2015-06-09 2017-01-04 宝山钢铁股份有限公司 A kind of cool stove water level automatic control device protecting blast-furnace shaft carbon brick and method
CN106282450B (en) * 2015-06-09 2018-03-09 宝山钢铁股份有限公司 A kind of cool stove water level automatic control device and method for protecting blast-furnace shaft carbon brick
CN104928423A (en) * 2015-06-19 2015-09-23 武汉钢铁(集团)公司 Blast furnace cooling wall leakage detection device
CN104928423B (en) * 2015-06-19 2017-04-05 武汉钢铁(集团)公司 A kind of blast furnace cooling stave leak detection device
CN105546990A (en) * 2015-12-08 2016-05-04 马鞍山钢铁股份有限公司 Quick drainage device for water-cooled part and using method thereof
CN105546990B (en) * 2015-12-08 2017-09-19 马鞍山钢铁股份有限公司 A kind of water cooling part Quick drainage device and its application method
CN109321700A (en) * 2017-07-31 2019-02-12 宝山钢铁股份有限公司 A kind of blast furnace cooling wall breakage detection separation method
CN109321700B (en) * 2017-07-31 2020-11-17 宝山钢铁股份有限公司 Blast furnace body cooling wall damage detection and separation method

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