CN214787312U - Mine pit shaft freeze-proof device and structure - Google Patents
Mine pit shaft freeze-proof device and structure Download PDFInfo
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- CN214787312U CN214787312U CN202121166904.3U CN202121166904U CN214787312U CN 214787312 U CN214787312 U CN 214787312U CN 202121166904 U CN202121166904 U CN 202121166904U CN 214787312 U CN214787312 U CN 214787312U
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- piston
- needle valve
- gas box
- pit shaft
- freeze
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Abstract
The utility model discloses a mine pit shaft freeze-proof device and structure relates to the mine technical field that prevents frostbite. This mine pit shaft freeze-proof device, including sealing heat conduction gas box, piston pipe, piston rod, needle valve body, valve mount, brine tank, pipeline and splitter ring, the top intercommunication that seals the heat conduction gas box has the piston pipe, be provided with the piston in the piston pipe, the top of piston is connected with the piston rod, the top of sealing the heat conduction gas box is provided with the needle valve body through the valve mount. This mine pit shaft freeze-proof device and structure utilize the principle cooperation needle valve of gaseous expend with heat and contract with cold to high concentration salt water is controlled to can the outflow of automatic control high concentration salt water through the mode that sets up the splitter ring that has the water conservancy diversion hole along the outer edge at the pit shaft mouth, reduce the freezing temperature of pit shaft mouth department water, prevent to freeze in the pit shaft.
Description
Technical Field
The utility model relates to a mine technical field that prevents frostbite specifically is a mine pit shaft freeze-proof device and structure.
Background
In winter, in an environment with low temperature, if rock stratums exist inside a shaft or water drops exist in a formwork supporting gap, when the temperature reaches a critical point, the wall of the shaft is easy to freeze. When the temperature rises gradually, ice cones or ice blocks on the wall of the shaft can be separated successively, and then fall into the shaft. Due to the fact that the depth of the shaft is deep, the falling ice cones or ice blocks threaten the personal safety of people getting in and out of the shaft, and can damage or even break communication cables, power cables and other shaft equipment facilities arranged in the shaft. Therefore, after the shaft is frozen, people with abundant experience must enter the shaft to perform artificial deicing, and each time the shaft is deiced, about 3 hours is needed, so that the efficiency is reduced. The shaft operation cost is high in danger coefficient, and the shaft operation cost is at the air inlet, so that the temperature is low, and the danger is increased undoubtedly.
The utility model provides a simple anti-icing measure scheme by using the principle that salt can reduce the freezing point of water, and has the advantages of small workload, less investment and high practicability.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a mine pit shaft freeze-proof device and structure has solved the frozen problem in pit shaft winter.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a mine pit shaft freeze-proof device, is including sealing heat conduction gas box, piston pipe, piston rod, needle valve body, valve mount, brine tank, pipeline and reposition of redundant personnel ring, the top intercommunication that seals the heat conduction gas box has the piston pipe, be provided with the piston in the piston pipe, the top of piston is connected with the piston rod, the top of sealing the heat conduction gas box is provided with the needle valve body through the valve mount, the fixed top that sets up at the closed heat conduction gas box of valve mount, the bottom of needle valve body is provided with the needle valve rod, the upper end and the needle valve rod fixed connection of piston rod, both ends all communicate with brine tank, reposition of redundant personnel ring respectively through pipeline about the needle valve body, a plurality of water conservancy diversion holes have been seted up on the reposition of redundant personnel ring.
Preferably, the closed heat conducting gas box is provided with a gas adding valve.
Preferably, a pressure gauge is arranged on the closed heat conducting gas box.
Preferably, a thermometer is arranged on the closed heat conducting gas box.
The utility model provides a mine pit shaft antifreeze structure, includes pit shaft and a mine pit shaft freeze-proof equipment, the splitter ring sets up the outer edge at the well barrel head.
(III) advantageous effects
The utility model provides a mine pit shaft freeze-proof device and structure. The method has the following beneficial effects:
this mine pit shaft freeze-proof device and structure utilize the principle cooperation needle valve of gaseous expend with heat and contract with cold to high concentration salt water is controlled to can the outflow of automatic control high concentration salt water through the mode that sets up the splitter ring that has the water conservancy diversion hole along the outer edge at the pit shaft mouth, reduce the freezing temperature of pit shaft mouth department water, prevent to freeze in the pit shaft.
Drawings
FIG. 1 is a schematic view of the anti-freezing device for mine shaft of the present invention;
fig. 2 is the anti-freezing structure schematic diagram of the mine shaft of the utility model.
In the figure: 1. sealing the heat conducting gas box; 2. a piston tube; 3. a piston; 4. a piston rod; 5. a needle valve stem; 6. a needle valve body; 7. a valve fixing frame; 8. a brine tank; 9. a delivery conduit; 10. a shunt ring; 11. a pressure gauge; 12. a thermometer; 13. a gas adding valve; 14. a wellbore.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a mine shaft anti-freezing device comprises a closed heat-conducting gas box 1, a piston pipe 2, a piston 3, a piston rod 4, a needle valve rod 5, a needle valve body 6, a valve fixing frame 7, a brine tank 8, a conveying pipeline 9 and a flow dividing ring 10, wherein the top of the closed heat-conducting gas box 1 is communicated with the piston pipe 2, the piston 3 is arranged in the piston pipe 2, the top of the piston 3 is connected with the piston rod 4, the needle valve body 6 is arranged above the closed heat-conducting gas box 1 through the valve fixing frame 7, the valve fixing frame 7 is fixedly arranged at the top of the closed heat-conducting gas box 1, the bottom of the needle valve body 6 is provided with the needle valve rod 5, the upper end of the piston rod 4 is fixedly connected with the needle valve rod 5, the left end and the right end of the needle valve body 6 are respectively communicated with the brine tank 8 and the flow dividing ring 10 through the conveying pipeline 9, the flow dividing ring 10 is provided with a plurality of flow guiding holes, the closed heat-conducting gas box 1 is provided with a gas feeding valve 13, the sealed heat conducting gas box 1 is provided with a pressure gauge 11, and the sealed heat conducting gas box 1 is provided with a thermometer 12.
A mine shaft anti-freezing structure comprises a shaft 14 and a mine shaft anti-freezing device, wherein a diverter ring 10 is arranged at the outer edge of an opening of the shaft 14.
Before working, the closed heat conducting gas box 1 is inflated in an environment with 10 ℃ of heat preservation, the piston 3 moves upwards, the needle valve rod 5 is pushed into the needle valve body 6, and the check is carried out that no salt water leaks out of the shunt ring 10.
In operation, if the temperature drops, the gas in the closed heat conducting gas box 1 will contract, the piston 3 will move downwards and pull the needle valve rod 5 out of the needle valve body 6, at this time, the needle valve body 6 is opened, the high-concentration brine in the brine tank 8 flows into the splitter ring 10 along the conveying pipeline 9, and finally flows into the outer edge of the opening of the shaft 14 through the diversion hole arranged on the splitter ring 10.
In the working process, the temperature change also causes different shrinkage degrees in the closed heat conducting gas box 1, if the temperature is not less than 10 ℃, the piston 3 can completely push the needle valve rod 5 into the needle valve body 6, and at the moment, the needle valve body 6 is in a fully closed state; if the temperature is lower than 10 ℃, the piston 3 can start to pull the needle valve rod 5 out of the needle valve body 6, and if the temperature continues to drop, the needle valve body 6 can be gradually opened to a full-open state.
The flow rate of the high-concentration brine can be adjusted through temperature change, so that the icing condition of the well bore 14 can not occur.
In conclusion, the mine shaft anti-freezing device and the structure utilize the principle of gas expansion with heat and contraction with cold to be matched with the needle valve to control the high-concentration brine, and the outflow of the high-concentration brine can be automatically controlled in a mode that the shunt ring with the diversion hole is arranged on the outer edge of the shaft opening, so that the freezing temperature of water at the shaft opening is reduced, and the freezing in the shaft is prevented.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a mine pit shaft freeze-proof device, is including sealing heat conduction gas box (1), piston pipe (2), piston (3), piston rod (4), needle valve rod (5), needle valve body (6), valve mount (7), brine tank (8), pipeline (9) and splitter ring (10), its characterized in that: the top intercommunication of sealing heat conduction gas box (1) has piston pipe (2), be provided with piston (3) in piston pipe (2), the top of piston (3) is connected with piston rod (4), the top of sealing heat conduction gas box (1) is provided with needle valve body (6) through valve mount (7), the fixed top that sets up at sealing heat conduction gas box (1) of valve mount (7), the bottom of needle valve body (6) is provided with needle valve rod (5), the upper end and the needle valve rod (5) fixed connection of piston rod (4), both ends all communicate with brine tank (8), flow distribution ring (10) respectively through pipeline (9) about needle valve body (6), a plurality of water conservancy diversion holes have been seted up on flow distribution ring (10).
2. The mine shaft freeze guard of claim 1, wherein: and a gas adding valve (13) is arranged on the closed heat conducting gas box (1).
3. The mine shaft freeze guard of claim 2, wherein: and a pressure gauge (11) is arranged on the closed heat conducting gas box (1).
4. The mine shaft freeze guard of claim 3, wherein: a thermometer (12) is arranged on the closed heat conducting gas box (1).
5. A mine well bore freeze protection construction comprising a well bore (14), characterized by: the mine shaft antifreeze apparatus of any one of claims 1 to 4, wherein the diverter ring (10) is arranged at the outer edge of the opening of the shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166904.3U CN214787312U (en) | 2021-05-28 | 2021-05-28 | Mine pit shaft freeze-proof device and structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121166904.3U CN214787312U (en) | 2021-05-28 | 2021-05-28 | Mine pit shaft freeze-proof device and structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787312U true CN214787312U (en) | 2021-11-19 |
Family
ID=78698547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121166904.3U Active CN214787312U (en) | 2021-05-28 | 2021-05-28 | Mine pit shaft freeze-proof device and structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787312U (en) |
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2021
- 2021-05-28 CN CN202121166904.3U patent/CN214787312U/en active Active
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