CN214422674U - Small sleeve leakage detection device in blast furnace tuyere - Google Patents
Small sleeve leakage detection device in blast furnace tuyere Download PDFInfo
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- CN214422674U CN214422674U CN202120129289.2U CN202120129289U CN214422674U CN 214422674 U CN214422674 U CN 214422674U CN 202120129289 U CN202120129289 U CN 202120129289U CN 214422674 U CN214422674 U CN 214422674U
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- branch pipe
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Abstract
The embodiment of the utility model relates to the technical field of leakage detection of water cooling equipment, in particular to a middle and small sleeve leakage detection device of a blast furnace tuyere, which comprises a pressure detection branch pipe arranged on a water outlet connecting pipe on a tuyere small sleeve, wherein a detachable pressure detection device is arranged at the free end of the pressure detection branch pipe; the top end of the pressure detection branch pipe is provided with a reinforcing connecting seat used for connecting a pressure detection device, the reinforcing connecting seat comprises an annular rotating adjusting disc, and an annular fixed connecting disc is embedded in the center of the annular rotating adjusting disc; the pressure detection device comprises a pressure gauge, the pressure gauge is arranged at the top end of the detection connecting pipe, the bottom end of the detection connecting pipe is connected with the connecting seat through a reinforcing connecting sleeve, a reinforcing connecting plate is arranged at one end, opposite to the reinforcing connecting seat, of the connecting seat, and the reinforcing connecting plate is connected with the annular rotation adjusting plate through a connecting bolt. The utility model discloses beneficial effect does: the detection efficiency is improved, and the safety in the detection use process is improved.
Description
Technical Field
The utility model relates to a water cooling equipment leak hunting technical field, concretely relates to well cover leak hunting device in blast furnace tuyere.
Background
The small sleeve in the tuyere is an important device in an air inlet system of an iron-making blast furnace. Because the tuyere sleeve of the blast furnace is inserted into the furnace and needs to bear the high temperature in the furnace, particularly the tuyere middle sleeve and the tuyere small sleeve have larger area for directly contacting the high temperature in the furnace, the tuyere middle sleeve and the tuyere small sleeve are both provided with cooling water cavities for water cooling. Because of bad working conditions, the small sleeve in the tuyere is easy to damage and leak water due to molten iron melting loss, coal powder jet flow, furnace burden abrasion, temperature difference and pressure difference damage, the water leakage condition of the small sleeve in the tuyere seriously affects the safe production of the blast furnace, even if minor water leakage occurs, measures need to be taken in time to observe and control so as to prevent further deterioration, and the tuyere needs to be shut down immediately for replacement when the water leakage is serious, and serious accidents such as furnace wall adhesion, furnace hearth accumulation, iron notch splashing, furnace cooling, even furnace hearth freezing and the like can be caused if the water leakage of the tuyere is not found in time. Therefore, in order to ensure smooth operation and safe production of the furnace, the leakage detection of the middle and small sleeves is arranged in the scheduled maintenance of the blast furnace every time under the condition of daily strengthening of monitoring of the cooling condition of the middle and small sleeves, so that the leakage detection is prevented in the bud and the safe production is ensured.
In general, the middle and small sleeve leak detection is that a pressurizing pump is connected to a water inlet of the middle sleeve or the small sleeve, high-pressure water is pumped into the middle sleeve or the small sleeve respectively, and when the pressure reaches a required level, the water pressure change is observed for about half an hour to judge whether the water leaks. Because the inspection interval of the middle sleeve and the small sleeve is longer due to the need of pressure stabilization observation, the inspection of different blast furnaces needs longer time to realize, and unnecessary economic investment can be generated when a plurality of pressurizing pumps are adopted.
Therefore, a small sleeve leakage detection device for a blast furnace tuyere is needed to overcome the problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the embodiment of the utility model provides a small sleeve leakage detection device in a blast furnace tuyere, which comprises a pressure detection branch pipe arranged on a water outlet connecting pipe on the tuyere small sleeve, wherein a detachable pressure detection device is arranged at the free end of the pressure detection branch pipe; a reinforcing connecting seat for connecting a pressure detection device is arranged on the pressure detection branch pipe close to the top end, the reinforcing connecting seat comprises an annular rotating adjusting disc, and an annular fixed connecting disc is embedded in the center of the annular rotating adjusting disc; the pressure detection device comprises a pressure gauge, the pressure gauge is arranged at the top end of the detection connecting pipe, the bottom end of the detection connecting pipe is connected with the connecting seat through a reinforcing connecting sleeve, a reinforcing connecting plate is arranged at one end, opposite to the reinforcing connecting seat, of the connecting seat, and the reinforcing connecting plate is connected with the annular rotation adjusting plate through a connecting bolt.
Furthermore, a second detection valve is arranged on the pressure detection branch pipe, a water outlet control valve is arranged on the water outlet connecting pipe, and the water outlet control valve is arranged on one side, far away from the tuyere small sleeve, of the pressure detection branch pipe.
Furthermore, be equipped with on the inlet connection pipe on the tuyere small sleeve and detect the branch pipe, be equipped with first detection valve on the detection branch pipe, be equipped with into water control valve on the inlet connection pipe, it locates the one side of keeping away from the tuyere small sleeve of detection branch pipe to advance water control valve.
Furthermore, an annular cavity for clamping and placing an annular fixed connecting disc is formed in the center of the annular rotating adjusting disc, annular convex blocks are arranged on the upper surface and the lower surface in the annular cavity, and annular grooves matched with the annular convex blocks are arranged on the upper surface and the lower surface of the fixed connecting disc.
Furthermore, the circumference of annular rotation adjustment disk is equipped with interval evenly distributed's first arc recess, the circumference of consolidating the connection pad is equipped with interval evenly distributed's second arc recess, first arc recess is the same with second arc recess shape.
Further, the connecting seat includes middle adapter sleeve, the top of middle adapter sleeve is equipped with the connector, the surface of connector and the bottom surface that detects the connecting pipe all are equipped with the connection thread circle of being connected with the cooperation of reinforcement adapter sleeve.
The utility model discloses beneficial effect does: the detection of the small sleeves in the air openings is realized through the cooperation of the pressurizing pump and the pressure detection devices, the detection efficiency is improved, the connecting seat in the pressure detection device can be detached and replaced, the connecting seats with different calibers can be conveniently replaced, the connecting strength is improved through the reinforcing connecting sleeve between the connecting seat and the detection connecting pipe, the connection is reinforced through the cooperation of the reinforcing connecting seat between the pressure detection device and the pressure detection branch pipe, the connection strength is improved, and the detection safety is improved in the pressure detection process.
Drawings
FIG. 1 is a schematic structural view of a middle and small sleeve leakage detecting device in a blast furnace tuyere of the utility model;
FIG. 2 is a schematic structural view of a reinforced connecting seat of the present invention;
FIG. 3 is a cross-sectional view of a reinforced connecting seat of the present invention;
fig. 4 is an exploded view of the pressure detecting device of the present invention;
fig. 5 is the utility model discloses well reinforcement connecting seat and the connected mode schematic diagram between the reinforcement connection pad.
In the figure:
1. a tuyere small sleeve; 11. a water inlet connecting pipe; 12. a water inlet control valve; 13. detecting a branch pipe; 14. a first check valve; 15. a water outlet connecting pipe; 16. a water outlet control valve; 17. a pressure detection branch pipe; 18. a second check valve;
2. reinforcing the connecting seat; 21. an annular rotating adjusting disc; 22. an annular fixed connecting disc; 211. a first arc-shaped groove; 212. an annular projection;
3. a pressure detection device; 31. a pressure gauge; 32. detecting a connecting pipe; 321. connecting a threaded ring; 33. reinforcing the connecting sleeve; 34. a connecting seat; 341. a connector; 342. a middle connecting sleeve; 343. reinforcing the connecting disc; 344. a second arc-shaped groove;
4. a connecting bolt; 41. and locking the nut.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
Referring to fig. 1 to 5, the embodiment of the utility model discloses a small sleeve leakage detection device in a blast furnace tuyere, which comprises a pressure detection branch pipe 17 arranged on a water outlet connecting pipe 15 on a tuyere small sleeve 1, wherein a detachable pressure detection device 3 is arranged at the free end of the pressure detection branch pipe 17; a reinforcing connecting seat 2 for connecting a pressure detection device 3 is arranged on the pressure detection branch pipe 17 close to the top end, the reinforcing connecting seat 2 comprises an annular rotating adjusting disc 21, and an annular fixed connecting disc 22 is embedded in the center of the annular rotating adjusting disc 21; pressure measurement 3 includes manometer 31, manometer 31 locates the top of detecting connecting pipe 32, the bottom of detecting connecting pipe 32 is connected with connecting seat 34 through consolidating the adapter sleeve 33, connecting seat 34 is equipped with the reinforcement connection pad 343 with the relative one end of reinforcement connecting seat 2, it is connected through connecting bolt 4 between reinforcement connection pad 343 and the annular rotation adjusting disk 21.
Further, a second detection valve 18 is arranged on the pressure detection branch pipe 17, a water outlet control valve 16 is arranged on the water outlet connecting pipe 15, and the water outlet control valve 16 is arranged on one side, far away from the tuyere small sleeve 1, of the pressure detection branch pipe 17.
Further, be equipped with on the water inlet connecting pipe 11 on the tuyere small sleeve 1 and detect branch pipe 13, be equipped with first detection valve 14 on detecting branch pipe 13, be equipped with into water control valve 12 on the water inlet connecting pipe 11, it locates the one side of keeping away from tuyere small sleeve 1 that detects branch pipe 13 to advance water control valve 12.
Further, an annular cavity for clamping the annular fixed connecting disc 22 is formed in the center of the annular rotating adjusting disc 21, annular convex blocks 212 are arranged on the upper surface and the lower surface in the annular cavity, and annular grooves matched with the annular convex blocks 212 are arranged on the upper surface and the lower surface of the fixed connecting disc 22.
Further, the circumference of the annular rotation adjusting disk 21 is provided with first arc-shaped grooves 211 evenly distributed at intervals, the circumference of the reinforcing connecting disk 343 is provided with second arc-shaped grooves 344 evenly distributed at intervals, and the shapes of the first arc-shaped grooves 211 and the second arc-shaped grooves 344 are the same.
Further, the connecting seat 34 includes a middle connecting sleeve 342, a connecting head 341 is arranged at the top end of the middle connecting sleeve 342, and a connecting thread ring 321 which is connected with the reinforcing connecting sleeve 33 in a matching manner is arranged on the outer surface of the connecting head 341 and the outer surface of the bottom end of the detection connecting pipe 32.
In the specific use process, when a blast furnace tuyere small sleeve is used for leakage detection, the pressure detection device 3 is firstly connected, when the pressure detection device is specifically connected, the connecting seat 34 with a proper caliber is selected, the connection between the detection connecting pipe 32 and the connecting seat 34 is realized through the reinforcing connecting sleeve 33, then the water inlet control valve 12 and the water outlet control valve 16 are closed, the pressure detection device 3 is installed on the pressure detection branch pipe 17 through the connecting seat 34, when the pressure detection branch pipe is specifically installed, the top end of the pressure detection branch pipe 17 is provided with a threaded ring which can be matched and in threaded connection with the middle connecting sleeve 342, after the connection is completed, the reinforcing connecting plate 343 is opposite to the annular rotation adjusting plate 21, then the annular rotation adjusting plate 21 is rotated according to needs, the first arc-shaped groove 211 and the second arc-shaped groove 344 are vertically corresponding, then the auxiliary fastening connection is realized through the matching of the connecting bolt 4 and the locking nut 41, and the connection strength is improved, in the process of pressure detection, the safety of detection is improved.
After the pressure detection device 3 is installed, the pressurizing pump is connected with the detection branch pipe 13, high-pressure water is pumped, after the pressure meets the requirement, the first detection valve 14 is closed, then the pressurizing pump is abstracted, and the pressure stabilizing observation is carried out, so that the pressurizing pump can detect the tuyere middle sleeve or the middle and small sleeves of other blast furnaces in the same way, and the detection efficiency is improved.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (6)
1. The middle and small sleeve leakage detection device for the blast furnace tuyere is characterized by comprising a pressure detection branch pipe (17) arranged on a water outlet connecting pipe (15) on a tuyere small sleeve (1), wherein a detachable pressure detection device (3) is arranged at the free end of the pressure detection branch pipe (17); a reinforcing connecting seat (2) for connecting a pressure detection device (3) is arranged on the pressure detection branch pipe (17) close to the top end, the reinforcing connecting seat (2) comprises an annular rotating adjusting disc (21), and an annular fixed connecting disc (22) is embedded in the center of the annular rotating adjusting disc (21); pressure measurement device (3) include manometer (31), the top of detecting connecting pipe (32) is located in manometer (31), the bottom of detecting connecting pipe (32) is connected with connecting seat (34) through consolidating adapter sleeve (33), connecting seat (34) are equipped with the one end that consolidates connecting seat (2) is relative and consolidate connection pad (343), it rotates between adjusting disk (21) to consolidate connection pad (343) and annular and is connected through connecting bolt (4).
2. The middle and small sleeve leakage detection device for the tuyere of the blast furnace as claimed in claim 1, wherein a second detection valve (18) is arranged on the pressure detection branch pipe (17), the water outlet connection pipe (15) is provided with a water outlet control valve (16), and the water outlet control valve (16) is arranged on the side of the pressure detection branch pipe (17) far away from the tuyere small sleeve (1).
3. The blast furnace tuyere medium and small sleeve leakage detection device as claimed in claim 2, wherein a detection branch pipe (13) is arranged on a water inlet connecting pipe (11) on the tuyere small sleeve (1), a first detection valve (14) is arranged on the detection branch pipe (13), a water inlet control valve (12) is arranged on the water inlet connecting pipe (11), and the water inlet control valve (12) is arranged on one side of the detection branch pipe (13) far away from the tuyere small sleeve (1).
4. The middle and small sleeve leakage detection device for the blast furnace tuyere of claim 1, wherein an annular cavity for clamping and placing an annular fixing connecting disc (22) is formed at the center of the annular rotating adjusting disc (21), annular convex blocks (212) are arranged on the upper surface and the lower surface in the annular cavity, and annular grooves matched with the annular convex blocks (212) are arranged on the upper surface and the lower surface of the fixing connecting disc (22).
5. The middle and small sleeve leakage detection device for the blast furnace tuyere of claim 1, wherein first arc-shaped grooves (211) are uniformly distributed at intervals in the circumferential direction of the annular rotating adjusting disc (21), second arc-shaped grooves (344) are uniformly distributed at intervals in the circumferential direction of the reinforcing connecting disc (343), and the first arc-shaped grooves (211) and the second arc-shaped grooves (344) are identical in shape.
6. The middle and small sleeve leakage detection device for the blast furnace tuyere of claim 1, wherein the connecting base (34) comprises a middle connecting sleeve (342), a connecting head (341) is arranged at the top end of the middle connecting sleeve (342), and a connecting thread ring (321) which is connected with the reinforcing connecting sleeve (33) in a matching manner is arranged on the outer surface of the connecting head (341) and the outer surface of the bottom end of the detection connecting pipe (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129289.2U CN214422674U (en) | 2021-01-18 | 2021-01-18 | Small sleeve leakage detection device in blast furnace tuyere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120129289.2U CN214422674U (en) | 2021-01-18 | 2021-01-18 | Small sleeve leakage detection device in blast furnace tuyere |
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| Publication Number | Publication Date |
|---|---|
| CN214422674U true CN214422674U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120129289.2U Expired - Fee Related CN214422674U (en) | 2021-01-18 | 2021-01-18 | Small sleeve leakage detection device in blast furnace tuyere |
Country Status (1)
| Country | Link |
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| CN (1) | CN214422674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657299A (en) * | 2022-03-24 | 2022-06-24 | 广东韶钢松山股份有限公司 | Cooling water channel system and maintenance method thereof |
-
2021
- 2021-01-18 CN CN202120129289.2U patent/CN214422674U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657299A (en) * | 2022-03-24 | 2022-06-24 | 广东韶钢松山股份有限公司 | Cooling water channel system and maintenance method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20211019 Termination date: 20220118 |