CN212508433U - Mine shaft anti-freezing device - Google Patents
Mine shaft anti-freezing device Download PDFInfo
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- CN212508433U CN212508433U CN202021037608.9U CN202021037608U CN212508433U CN 212508433 U CN212508433 U CN 212508433U CN 202021037608 U CN202021037608 U CN 202021037608U CN 212508433 U CN212508433 U CN 212508433U
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Abstract
The utility model discloses a mine pit shaft freeze-proof device, including air source heat pump main part, insulating tube, double-deck insulating tube, connecting pile and fan group, the output of air source heat pump main part is connected with the tensile pipe of metal, the mounting base includes the mounting panel, the bottom fixed connection of going up mounting panel and air source heat pump main part, the below of going up the mounting panel is provided with well plywood, the below of well plywood is provided with down the mounting panel, the insulating tube is kept away from the one end installation fixed mounting of the tensile pipe of metal and is had fan group. The utility model discloses an ultra-low temperature heat pump technology ensures to work normally in the temperature environment more than-25 ℃, guarantees that air-out temperature is greater than 25 ℃, energy-conserving power saving, and the efficiency ratio can reach more than 2.0 when ambient temperature-15 ℃ moves, does not have the atmospheric pollutants to discharge, green, simple structure, simple to operate need not additionally to build air heating chamber and outdoor heating pipe network, has saved civil engineering investment and heating pipeline's investment, has reduced the energy waste.
Description
Technical Field
The utility model relates to a pit shaft technical field that prevents frostbite specifically is a mine pit shaft freeze-proof device.
Background
According to the coal mine safety regulation and the design standard of heating ventilation and air conditioning in the coal industry, in order to prevent the inlet shaft from freezing in winter and ensure the production and personal safety, an air heating chamber is required to be arranged at the inlet shaft for preventing the shaft from freezing.
A shaft anti-freezing device is arranged at an air inlet wellhead of a mine industrial field to heat cold air entering a well, so that the air inlet temperature of the mine in winter is more than or equal to 2 ℃, and the requirement of safe production is met. The existing mine shaft anti-freezing system mainly comprises the following parts: 1, heat source, 2, heat supply network 3, heating equipment.
In the past, a common method for preventing a shaft from being frozen is to use a coal-fired boiler room built in a mine as a heat source, use steam or high-temperature hot water as a heating medium and use an air heater or an air heating unit as heating equipment for heating air. However, under the influence of national environmental protection and industrial policy, coal-fired boilers cannot be used continuously, so that a heat supply heat source becomes a problem which needs to be solved for shaft anti-freezing, and a mine needs to find a new heat source for replacing the heat source, so that a shaft anti-freezing device for the mine is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mine pit shaft freeze-proof device to the coal fired boiler who proposes in solving above-mentioned background art can not continue to use, seeks new heat source and gives the problem of replacing.
In order to achieve the above object, the utility model provides a following technical scheme: a mine shaft anti-freezing device comprises an air source heat pump main body, a heat preservation pipe, a double-layer heat preservation pipe, a connecting pile and a fan set, wherein the output end of the air source heat pump main body is connected with a metal stretching pipe, one end of the metal stretching pipe, which is far away from the air source heat pump main body, is connected with the heat preservation pipe, one end of the heat preservation pipe, which is far away from the metal stretching pipe, penetrates through a wellhead room, connecting lugs are fixedly arranged on two sides of the air source heat pump main body, the connecting pile is inserted in the connecting lugs, a mounting base is arranged at the bottom end of the air source heat pump main body, the mounting base comprises an upper mounting plate, the upper mounting plate is fixedly connected with the bottom end of the air source heat pump main body, a middle plate is arranged below the upper mounting plate, a lower mounting plate is arranged below the middle plate, a sliding, the sliding block is located in the inner cavity of the sliding groove, a rolling wheel is movably mounted on the upper surface of the middle layer plate, a roller groove is formed in the lower surface of the upper mounting plate, the upper half portion of the rolling wheel is located inside the roller groove, and a fan unit is fixedly mounted at one end, far away from the metal stretching pipe, of the heat preservation pipe.
Preferably, the heat preservation pipe comprises a double-layer heat preservation pipe, a heat insulation barrel and an internal reflection layer, the heat insulation barrel is arranged inside the double-layer heat preservation pipe, and the internal reflection layer is arranged on the inner surface of the double-layer heat preservation pipe.
Preferably, the cross section of the double-layer heat preservation pipe is of a hollow structure shaped like a Chinese character 'hui', and the double-layer heat preservation pipe is of an integrated structure.
Preferably, the outer wall of the double-layer heat-insulating pipe and the outer wall of the metal stretching pipe are both wrapped with heat-insulating sleeves.
Preferably, the sliding grooves are provided with 2 groups, the roller grooves are provided with 4 groups, the sliding grooves are longitudinally arranged, and the roller grooves are transversely arranged.
Preferably, the connecting lugs are provided with 4 groups, and the 4 groups of connecting lugs are respectively positioned on the outer side wall of the air source heat pump main body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the air source heat pump integrated fan directly supplies heat to a wellhead house, the ultralow temperature heat pump technology is adopted, normal work in the temperature environment above minus 25 ℃ is ensured, the air outlet temperature is higher than 25 ℃, energy and electricity are saved, the energy efficiency ratio can reach more than 2.0 when the environment temperature is minus 15 ℃, no atmospheric pollutants are discharged, the air source heat pump integrated fan is green and environment-friendly, the structure is simple, the installation is convenient, an air heating chamber and an outdoor heat supply pipe network do not need to be additionally built, the civil engineering investment and the investment of heat supply pipelines are saved, and the energy waste is reduced.
2. The composite heat-insulating pipe is adopted, so that heat is effectively insulated, excessive heat exchange between the pipeline and the outside is avoided in an extreme environment, and the maximum utilization of temperature is ensured.
3. The metal stretching pipe is adopted in connection, the installation base is additionally arranged, the air source heat pump main body is easier to move in a small range, the operation is simple and convenient, the installation difficulty is reduced, and the installation is convenient.
Drawings
FIG. 1 is a schematic top view of the layout structure of the present invention;
FIG. 2 is a schematic front view of the structure of the present invention;
FIG. 3 is a schematic sectional view of the partial structure of the present invention;
fig. 4 is a schematic top view of the structure of the upper mounting plate of the present invention;
FIG. 5 is a schematic top view of the structure of the middle plate, the sliding block and the sliding groove of the present invention;
fig. 6 is a schematic view of an extending structure of the metal stretching tube of the present invention;
FIG. 7 is a schematic side view of the structure of the insulating tube, insulating sleeve and fan unit of the present invention;
fig. 8 is a schematic side view of the structure of the thermal insulation pipe of the present invention.
In the figure: 1. an air source heat pump body; 2. a metal tensile pipe; 3. a heat preservation pipe; 31. a double-layer heat preservation pipe; 32. a thermal insulation cylinder; 33. an internal reflection layer; 4. connecting lugs; 5. connecting piles; 6. mounting a base; 61. an upper mounting plate; 62. a middle layer plate; 63. a lower mounting plate; 64. a slider; 65. a chute; 66. a rolling wheel; 67. a roller groove; 7. a thermal insulation sleeve; 8. and a fan unit.
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. 1-8, the present invention provides an embodiment:
the mine shaft anti-freezing device comprises an air source heat pump main body 1, a heat insulation pipe 3, a double-layer heat insulation pipe 31, a connecting pile 5 and a fan set 8, the air source heat pump main body 1 is adopted for freezing prevention, normal work in an environment with the temperature of more than-25 ℃ is ensured, the air outlet temperature is greater than 25 ℃, energy and electricity are saved, the energy efficiency ratio can reach more than 2.0 when the environment temperature is-15 ℃, no atmospheric pollutant is discharged, the mine shaft anti-freezing device is green and environment-friendly, a plurality of air source heat pump main bodies 1 can be assembled into a unit, centralized control is adopted, and intelligent operation is realized.
The output end of the air source heat pump main body 1 is connected with a metal stretching pipe 2, as shown in figure 6, the metal stretching pipe 2 can be bent and unfolded to facilitate installation, one end of the metal stretching pipe 2, which is far away from the air source heat pump main body 1, is connected with a heat preservation pipe 3, the heat preservation pipe 3 comprises a double-layer heat preservation pipe 31, a heat insulation cylinder 32 and an internal reflection layer 33, the cross section of the double-layer heat preservation pipe 31 is of a hollow structure in a shape like a Chinese character 'hui', as shown in figure 8, the double-layer heat preservation pipe 31 is of a double-layer structure, the double-layer heat preservation pipe 31 is of an integrated structure, a cavity is arranged between the inner layer and the outer layer, the cavity in the middle of the double-layer heat preservation pipe 31 can be made into vacuum, the heat insulation cylinder 32 is arranged in the double-layer heat preservation pipe 31, the heat insulation cylinder 32 melts raw materials such as high-purity clay clinker, the double-layer heat preservation pipe 31 is cut off when the double-layer heat preservation pipe 31 is produced, then the heat insulation barrel 32 is installed correspondingly, the double-layer heat preservation pipe 31 is welded and connected finally, vacuum treatment is conducted, an internal reflection layer 33 is arranged on the inner surface of the double-layer heat preservation pipe 31, the inner surface of the internal reflection layer 33 is a silvery white reflection surface, energy of the inner wall of the double-layer heat preservation pipe 31 is reflected, loss of heat energy is reduced, the outer wall of the double-layer heat preservation pipe 31 and the outer wall of the metal stretching pipe 2 are both wrapped with a heat preservation sleeve 7, the heat preservation sleeve 7 is made of polyurethane heat preservation materials and is directly sleeved on the outer walls of the metal stretching pipe 2 and the heat preservation pipe 3, heat exchange between the pipeline and the external environment is reduced, and the heat preservation effect is enhanced.
The one end that tensile pipe 2 of metal was kept away from to insulating tube 3 runs through the well head room, high durability and convenient installation, need not to build additional air heating room and outdoor heat supply pipe network, the investment of civil engineering investment and heat supply pipeline has been saved, the energy waste has been reduced, fixed mounting is established to the both sides of air source heat pump main part 1 has engaging lug 4, the inside of engaging lug 4 is inserted and is equipped with connecting pile 5, engaging lug 4 is provided with 4 groups, 4 groups of engaging lug 4 are located the lateral wall of air source heat pump main part 1 respectively, pass connecting pile 5 with engaging lug 4 on easy to assemble's position, and insert ground.
The bottom end of the air source heat pump main body 1 is provided with a mounting base 6, the mounting base 6 comprises an upper mounting plate 61, the upper mounting plate 61 is fixedly connected with the bottom end of the air source heat pump main body 1, a middle layer plate 62 is arranged below the upper mounting plate 61, a lower mounting plate 63 is arranged below the middle layer plate 62, the lower mounting plate 63 is fixedly mounted with the ground, the upper surface of the lower mounting plate 63 is provided with a sliding block 64, the lower surface of the middle layer plate 62 is provided with a sliding groove 65, the sliding grooves 65 are arranged in 2 groups, the sliding block 64 is positioned in the inner cavity of the sliding groove 65, so that the middle layer plate 62 and the lower mounting plate 63 can slide relatively in the longitudinal direction, compared with the method of directly moving the air source heat pump main body 1, the time and labor are saved, the rolling wheels 66 are movably mounted on the upper surface of the middle layer plate 62, the lower, when the air source heat pump main body 1 needs to be moved transversely, the air source heat pump main body 1 is moved, the upper mounting plate 61 and the middle plate 62 are in relative positions, the middle plate 62 and the lower mounting plate 63 cannot move transversely, the upper mounting plate 61 and the air source heat pump main body 1 on the upper portion can move transversely on the middle plate 62, the upper half portion of the rolling wheel 66 is located inside the roller groove 67, longitudinal relative movement cannot be conducted between the rolling wheel 66 and the roller groove 67, the fan set 8 is fixedly mounted at one end, far away from the metal stretching pipe 2, of the heat preservation pipe 3, hot air is directly sent into a wellhead house through the fan set 8, an air heating chamber and an outdoor pipe network do not need to be built additionally, civil engineering investment and investment of a heat supply pipeline are saved, and energy waste is reduced.
The working principle is as follows: when the air source heat pump is used, an external power supply provides electric energy for the whole device, in the installation process, the air source heat pump main body 1 is firstly assembled with the installation base 6, the lower installation plate 63 is firstly installed with the ground, then the middle layer plate 62 is placed on the lower installation plate 63, finally the upper installation plate 61 is assembled with the middle layer plate 62, then the heat preservation pipe 3 is installed at the corresponding position of the well mouth room, the fan group 8 is arranged at the installation position of the heat preservation pipe 3, then the two ends of the metal stretching pipe 2 are respectively installed on the air source heat pump main body 1 and the heat preservation pipe 3, in the process, the position of the air source heat pump main body 1 can be properly moved, due to the existence of the sliding block 64, the sliding groove 65, the rolling wheel 66 and the rolling wheel groove 67, the air source heat pump main body 1 can be conveniently moved forwards and backwards and leftwards in the horizontal direction, the installation is more convenient, and finally, inserting the connecting piles 5 into the connecting lugs 4 to fix the air source heat pump main body 1, arranging 4 groups of the connecting lugs 4, and at least finishing the installation of 2 groups of the connecting piles 5 and the ground after adjusting the position of the air source heat pump main body 1.
After the installation is accomplished, control metal tensile pipe 2 and fan group 8 open, directly send hot-blast into the well head room, need not to additionally build air heating room and outdoor heat supply pipe network, saved the investment of civil engineering investment and heat supply pipeline, reduced the energy waste.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a mine pit shaft freeze-proof device, includes air source heat pump main part (1), insulating tube (3), double-deck insulating tube (31), connecting pile (5) and fan group (8), its characterized in that: the output end of the air source heat pump main body (1) is connected with a metal stretching pipe (2), one end, far away from the air source heat pump main body (1), of the metal stretching pipe (2) is connected with a heat preservation pipe (3), one end, far away from the metal stretching pipe (2), of the heat preservation pipe (3) penetrates through a wellhead room, two sides of the air source heat pump main body (1) are fixedly connected with connecting lugs (4), connecting piles (5) are inserted into the connecting lugs (4), the bottom end of the air source heat pump main body (1) is provided with a mounting base (6), the mounting base (6) comprises an upper mounting plate (61), the upper mounting plate (61) is fixedly connected with the bottom end of the air source heat pump main body (1), a middle plate (62) is arranged below the upper mounting plate (61), and a lower mounting plate (63) is arranged below the middle plate (62), the upper surface of lower mounting panel (63) is provided with slider (64), spout (65) have been seted up to the lower surface of intermediate lamella (62), slider (64) are located spout (65) inner chamber, the upper surface movable mounting of intermediate lamella (62) has rolling wheel (66), gyro wheel groove (67) have been seted up to the lower surface of going up mounting panel (61), the first half of rolling wheel (66) is located the inside of gyro wheel groove (67), the one end installation fixed mounting that tensile pipe (2) of metal was kept away from in insulating tube (3) has fan group (8).
2. The mine shaft freeze protection device of claim 1, wherein: insulating tube (3) are including double-deck insulating tube (31), separate temperature section of thick bamboo (32) and internal reflection layer (33), the inside of double-deck insulating tube (31) is provided with separates temperature section of thick bamboo (32), the internal surface of double-deck insulating tube (31) is provided with internal reflection layer (33).
3. The mine shaft freeze protection device of claim 2, wherein: the cross section of the double-layer heat preservation pipe (31) is of a hollow structure shaped like a Chinese character 'hui', and the double-layer heat preservation pipe (31) is of an integrated structure.
4. The mine shaft freeze protection device of claim 1, wherein: the outer wall of the double-layer heat-insulating pipe (31) and the outer wall of the metal stretching pipe (2) are both sheathed with heat-insulating sleeves (7).
5. The mine shaft freeze protection device of claim 1, wherein: the runner (65) is provided with 2 groups, the roller groove (67) is provided with 4 groups, the runner (65) is arranged longitudinally, and the roller groove (67) is arranged transversely.
6. The mine shaft freeze protection device of claim 5, wherein: the connecting lug (4) is provided with 4 groups, and the 4 groups of connecting lugs (4) are respectively positioned on the outer side wall of the air source heat pump main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037608.9U CN212508433U (en) | 2020-06-09 | 2020-06-09 | Mine shaft anti-freezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021037608.9U CN212508433U (en) | 2020-06-09 | 2020-06-09 | Mine shaft anti-freezing device |
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| Publication Number | Publication Date |
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| CN212508433U true CN212508433U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021037608.9U Active CN212508433U (en) | 2020-06-09 | 2020-06-09 | Mine shaft anti-freezing device |
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| CN (1) | CN212508433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339873A (en) * | 2021-06-07 | 2021-09-03 | 西南交通大学 | Novel cold-proof and anti-freezing system and method for cold-region high-ground-temperature tunnel |
-
2020
- 2020-06-09 CN CN202021037608.9U patent/CN212508433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339873A (en) * | 2021-06-07 | 2021-09-03 | 西南交通大学 | Novel cold-proof and anti-freezing system and method for cold-region high-ground-temperature tunnel |
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