CN220932293U - Leakage detection device easy to detect whether tuyere small sleeve of blast furnace is damaged - Google Patents
Leakage detection device easy to detect whether tuyere small sleeve of blast furnace is damaged Download PDFInfo
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- CN220932293U CN220932293U CN202322443195.4U CN202322443195U CN220932293U CN 220932293 U CN220932293 U CN 220932293U CN 202322443195 U CN202322443195 U CN 202322443195U CN 220932293 U CN220932293 U CN 220932293U
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- water
- small sleeve
- blast furnace
- pressure gauge
- valve
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000008213 purified water Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000008235 industrial water Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000008234 soft water Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of metallurgical blast furnaces, in particular to a leakage detection device which is easy to detect whether a blast furnace tuyere small sleeve is damaged, comprising: a small tuyere sleeve, one end of which is provided with a water outlet pipe; through the inlet tube that detects a section of thick bamboo outer wall, with inlet tube and outlet pipe connection back, open bypass valve and water intaking valve for in the cooling water inflow detection section of thick bamboo in the wind gap cover, through pressure gauge and the gas table of detecting a section of thick bamboo upper end, open pressure gauge valve and gas table valve, if the wind gap cover is damaged and make the cooling water carry blast furnace gas, then can show corresponding pressure value and gas value on pressure gauge and the gas table, through the pipe on the detection section of thick bamboo outer wall, with the cooling water leading-in return water tank, there is the bubble production in the return water tank, according to bubble quantity in the return water tank, the size, combine the numerical value on pressure gauge and the gas table, can judge whether the wind gap cover is damaged and the severity of damage, the testing result is more accurate, leak hunting efficiency is higher moreover.
Description
Technical Field
The utility model relates to the technical field of metallurgical blast furnaces, in particular to a leakage detection device which is easy to detect whether a blast furnace tuyere small sleeve is damaged or not.
Background
In blast furnace ironmaking production, the tuyere small sleeve is directly contacted with high-temperature slag iron, the state of a hearth is not active, the treatment of slag iron in front of the furnace is not smooth, the blast kinetic energy is unsuitable, or the edge gas flows through the small sleeve to be contained, so that the small sleeve is easy to burn, the main forms of the small sleeve are molten iron melting loss, mechanical damage, cracking and the like, the phenomena of air leakage and water leakage of the blast furnace small sleeve are further caused, hot air and gas resources are wasted, and a plurality of unsafe factors are brought to field personnel and equipment.
In the prior art, in order to detect whether the tuyere small sleeve is damaged or not so as to adjust and solve the problems in time, firstly, the leakage condition of the surface of the tuyere small sleeve is observed by naked eyes or an arm is stretched out to be used for detecting leakage by touching with fingers, and the mode has certain danger, has low leakage detection precision and can bring security threat to the operation of a blast furnace; and secondly, judging whether the tuyere small sleeve is damaged or not by observing the total pressure change condition of the cooling water of the tuyere small sleeve.
However, since the positions and the degrees of damage of the tuyere small sleeves are different, the degrees of water leakage and air leakage are different, even if water leakage is caused, the water leakage is likely to be evaporated due to the fact that the temperature of the tuyere small sleeves is high, the water leakage is difficult to observe through naked eyes, whether the damaged small sleeves are damaged or not can only be judged through the total pressure change condition of cooling water, the specific one of the damaged small sleeves can not be directly determined, the result is inaccurate, and the leakage detection efficiency is low.
Disclosure of utility model
The utility model aims to provide a leakage detection device which is easy to detect whether a tuyere small sleeve of a blast furnace is damaged or not so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken, comprising: the air inlet small sleeve is provided with an air outlet pipe at one end, a detection cylinder is arranged at one end of the air outlet pipe, and a water inlet pipe is connected to the side wall of the detection cylinder, which is close to the air outlet pipe;
The upper end of the detection cylinder is provided with a pressure gauge and a gas meter, the surfaces of the pressure gauge and the gas meter are respectively provided with a pressure gauge valve and a gas meter valve, and the side wall of one end of the detection cylinder far away from the water inlet pipe is fixedly connected with a guide pipe;
One end of the guide pipe is provided with a water return groove, a drain pipe is arranged on the outer wall of the water return groove, a drain valve is arranged outside the drain pipe, and the bottom ends of the water return groove and the detection cylinder are connected with a movable frame.
Preferably, the bottom symmetry and the fixed mounting of movable frame have four universal wheels, detect the equal fixed mounting in the upper end of movable frame of the bottom of a section of thick bamboo and return water tank.
Preferably, the inside of return water groove is provided with the pure water, and the one end of pipe inserts in the pure water, and the one end and the return water groove intercommunication of drain pipe are connected.
Preferably, the detection cylinder is a hollow cylinder, and the water inlet pipe and the guide pipe are both communicated and connected with the detection cylinder.
Preferably, the pressure gauge and the gas meter are fixedly arranged at the upper end of the detection cylinder, and the bottom ends of the pressure gauge and the gas meter are communicated and connected with the detection cylinder.
Preferably, the outside of inlet tube is provided with the valve that intakes, and the one end fixedly connected with second flange that the inlet tube was kept away from the detection section of thick bamboo.
Preferably, a bypass valve is arranged at the outer part of one end of the water outlet pipe, and a first flange is fixedly connected with one end of the water outlet pipe, which is far away from the tuyere small sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, after the water inlet pipe and the water outlet pipe are connected through the water inlet pipe on the outer wall of the detection cylinder, the bypass valve and the water inlet valve are opened, so that cooling water in the tuyere small sleeve flows into the detection cylinder, the pressure gauge and the gas meter valve are opened through the pressure gauge and the gas meter at the upper end of the detection cylinder, if the tuyere small sleeve is damaged, the cooling water is provided with blast furnace gas, the pressure gauge and the gas meter can display corresponding pressure values and gas values, the cooling water is led into the water return tank through the guide pipe on the outer wall of the detection cylinder, bubbles are generated in the water return tank, and according to the number and the size of the bubbles in the water return tank and the numerical values on the pressure gauge and the gas meter, whether the tuyere small sleeve is damaged or not and the severity of the damage can be judged, the detection result is more accurate, and the leakage detection efficiency is higher.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic top view of the overall structure of the present utility model;
Fig. 3 is a schematic front cross-sectional view of a partial structure of the present utility model.
In the figure: 1. a tuyere small sleeve; 2. a water outlet pipe; 3. a bypass valve; 4. a detection cylinder; 5. a water inlet pipe; 6. a water inlet valve; 7. a pressure gauge; 8. a pressure gauge valve; 9. a gas meter; 10. a gas meter valve; 11. a conduit; 12. a water return tank; 13. purified water; 14. a drain pipe; 15. a drain valve; 16. a moving rack; 17. a universal wheel; 18. a first flange; 19. and a second flange.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 3, the present utility model provides a technical solution: a leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken, comprising: the air port small sleeve 1, one end of the air port small sleeve 1 is provided with a water outlet pipe 2, one end of the water outlet pipe 2 is provided with a detection cylinder 4, and the side wall of the detection cylinder 4, which is close to the water outlet pipe 2, is connected with a water inlet pipe 5; the outside of inlet tube 5 is provided with inlet valve 6, and the one end fixedly connected with second flange 19 of the detection section of thick bamboo 4 is kept away from to inlet tube 5, and the one end and the detection section of thick bamboo 4 fixed connection of inlet tube 5 are convenient for case detection section of thick bamboo 4 and are introduced the cooling water in the wind gap sleeve 1. One end outside of outlet pipe 2 is provided with bypass valve 3, and the one end fixedly connected with first flange 18 of outlet pipe 2 keeping away from wind gap sleeve 1, through first flange 18 and second flange 19 with outlet pipe 2 and inlet tube 5 fixed connection, not only be convenient for dismouting, still be convenient for the circulation of cooling water in the wind gap sleeve 1.
The upper end of the detection cylinder 4 is provided with a pressure gauge 7 and a gas meter 9, the surfaces of the pressure gauge 7 and the gas meter 9 are respectively provided with a pressure gauge valve 8 and a gas meter valve 10, and the side wall of one end of the detection cylinder 4 far away from the water inlet pipe 5 is fixedly connected with a guide pipe 11; the detection cylinder 4 is a hollow cylinder, and the water inlet pipe 5 and the guide pipe 11 are both communicated and connected with the detection cylinder 4, so that cooling water can flow into the detection cylinder 4 from the water inlet pipe 5 and flow out through the guide pipe 11. The upper end at detecting section of thick bamboo 4 is all fixed mounting to manometer 7 and gasometer 9, and the bottom of manometer 7 and gasometer 9 all is connected with detecting section of thick bamboo 4 intercommunication, is convenient for detect the cooling water that flows into in detecting section of thick bamboo 4.
One end of the conduit 11 is provided with a water return groove 12, a drain pipe 14 is arranged on the outer wall of the water return groove 12, a drain valve 15 is arranged outside the drain pipe 14, and the bottom ends of the water return groove 12 and the detection cylinder 4 are connected with a movable frame 16. The bottom of the movable frame 16 is symmetrical and fixedly provided with four universal wheels 17, the bottom ends of the detection cylinder 4 and the backwater groove 12 are fixedly arranged at the upper end of the movable frame 16, the movable frame 16 can be pushed by the universal wheels 17, and then the functions of the detection cylinder 4 and the backwater groove 12 are realized. The inside of the water return tank 12 is provided with purified water 13, one end of the guide pipe 11 is inserted into the purified water 13, and one end of the water drain pipe 14 is connected with the water return tank 12 in a communicating manner, so that the purified water 13 is conveniently discharged and replaced through the water drain pipe 14.
When the device works, firstly, the device is moved to a position to be detected through the universal wheel 17 at the bottom end of the movable frame 16 and fixed, so that leakage detection is conveniently carried out on different tuyere small sleeves 1, then a proper amount of purified water is added into the water return groove 12, the industrial water valve and the soft water valve are adjusted, cooling water in the tuyere small sleeves 1 is changed into industrial water with lower water pressure from soft water, the water inlet pipe 5 and the water outlet pipe 2 are fixedly connected through the first flange 18 and the second flange 19, when the bypass valve 3 and the water inlet valve 6 are opened, the cooling water in the tuyere small sleeves 1 flows into the detection cylinder 4 through the water outlet pipe 2 and the water inlet pipe 5, the pressure meter valve 8 and the gas meter valve 10 are opened through the pressure meter 7 and the gas meter 9 at the upper end of the detection cylinder 4, corresponding pressure values and gas values can be displayed on the pressure meter 7 and the gas meter 9 if the tuyere small sleeves 1 are damaged, the cooling water in the water is provided with blast furnace gas, the cooling water in the water can be led into the water return groove 12 through the guide pipe 11 on the outer wall of the detection cylinder 4, and even if the position and the damage degree of the air return sleeve are not the same, the air leakage detection degree and the air leakage degree are not the same, and the air leakage degree can be accurately detected, and the air leakage detection efficiency can be more accurately detected in the water channel is high, and the air leakage detection is more than the air leakage is detected, and has the air leakage detection value and has the high, and has high detection accuracy.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken, comprising: the air port small sleeve (1), outlet pipe (2), its characterized in that are installed to the one end of air port small sleeve (1): one end of the water outlet pipe (2) is provided with a detection cylinder (4), and the side wall of the detection cylinder (4) close to the water outlet pipe (2) is connected with a water inlet pipe (5);
The upper end of the detection cylinder (4) is provided with a pressure gauge (7) and a gas meter (9), the surfaces of the pressure gauge (7) and the gas meter (9) are respectively provided with a pressure gauge valve (8) and a gas meter valve (10), and the side wall of one end of the detection cylinder (4) far away from the water inlet pipe (5) is fixedly connected with a guide pipe (11);
One end of the conduit (11) is provided with a water return groove (12), a drain pipe (14) is arranged on the outer wall of the water return groove (12), a drain valve (15) is arranged outside the drain pipe (14), and the bottom ends of the water return groove (12) and the detection cylinder (4) are connected with a movable frame (16).
2. The leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken or not according to claim 1, wherein: the bottom of the movable frame (16) is symmetrical and is fixedly provided with four universal wheels (17), and the bottom ends of the detection cylinder (4) and the water return groove (12) are fixedly arranged at the upper end of the movable frame (16).
3. The leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken or not according to claim 2, wherein: the inside of return water groove (12) is provided with pure water (13), and in pure water (13) were inserted to the one end of pipe (11), and the one end and the return water groove (12) intercommunication of drain pipe (14) are connected.
4. A leak detection apparatus for facilitating the detection of whether a tuyere small sleeve of a blast furnace is broken or not according to claim 3, wherein: the detection cylinder (4) is a hollow cylinder, and the water inlet pipe (5) and the guide pipe (11) are both communicated and connected with the detection cylinder (4).
5. The leak detection apparatus for easily detecting breakage of a tuyere small sleeve for a blast furnace according to claim 4, wherein: the pressure gauge (7) and the gas meter (9) are fixedly arranged at the upper end of the detection cylinder (4), and the bottom ends of the pressure gauge (7) and the gas meter (9) are communicated and connected with the detection cylinder (4).
6. The leak detection apparatus for easily detecting whether a blast furnace tuyere small sleeve is broken or not according to claim 5, wherein: the outside of inlet tube (5) is provided with inlet valve (6), and the one end fixedly connected with second flange (19) of inlet tube (5) keep away from detection section of thick bamboo (4).
7. The leak detection apparatus for easily detecting breakage of a tuyere small sleeve for a blast furnace according to claim 6, wherein: one end of the water outlet pipe (2) is externally provided with a bypass valve (3), and one end of the water outlet pipe (2) far away from the tuyere small sleeve (1) is fixedly connected with a first flange (18).
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CN202322443195.4U CN220932293U (en) | 2023-09-08 | 2023-09-08 | Leakage detection device easy to detect whether tuyere small sleeve of blast furnace is damaged |
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CN202322443195.4U CN220932293U (en) | 2023-09-08 | 2023-09-08 | Leakage detection device easy to detect whether tuyere small sleeve of blast furnace is damaged |
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