CN215169864U - Intermediate-depth geothermal buried pipe heat exchange inner pipe fishing device - Google Patents
Intermediate-depth geothermal buried pipe heat exchange inner pipe fishing device Download PDFInfo
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- CN215169864U CN215169864U CN202120614930.1U CN202120614930U CN215169864U CN 215169864 U CN215169864 U CN 215169864U CN 202120614930 U CN202120614930 U CN 202120614930U CN 215169864 U CN215169864 U CN 215169864U
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Abstract
The utility model discloses a middle-deep geothermal buried pipe heat transfer inner tube fishing device, including salvaging wire rope, connecting the steel ingot, salvaging the body, salvaging the head end, salvaging tongue subassembly and stirring the subassembly, salvaging wire rope's one end and being connected the one end of steel ingot and being connected, the other end of connecting the steel ingot is connected with the one end of salvaging the body, and the bottom of salvaging the body is provided with salvages the head end, it is provided with the multiunit on the body and salvages tongue subassembly, opens through stirring the subassembly. The utility model solves the problem that after the well falling accident happens to the heat exchange inner pipe of the buried pipe of the intermediate-deep geothermal ground, the fishing is carried out in a portable and effective way without using large machinery, and the fishing success rate is high and the cost is low; the utility model has the advantages of simple structure, stable performance and longer service life.
Description
Technical Field
The utility model relates to a fishing tool technical field especially relates to a middle-deep geothermal buried pipe heat transfer inner tube fishing device.
Background
The average ground temperature gradient of China is about 3 ℃/100 meters. I.e. the ground temperature increases about 3 ℃ for every 100 meters downwards increase under the constant temperature layer. 1000 and 4000 meters underground and the ground temperature is about 50-135 ℃. The temperature of the medium-deep geothermal resource can provide a stable heat source for heating the building.
At present, China mainly adopts a mode of directly exploiting middle-deep geothermal water for building heat supply in China, namely, in areas with abundant geothermal water resources, geothermal wells are dug, underground hot water is directly extracted for building heat supply, and the underground water is directly discharged or recharged after the temperature of the underground water is utilized. However, the existing recharge technology is still immature, the recharge rate is low, and the risk of disasters such as geological collapse and the like caused by the exhaustion of underground water resources is caused. Therefore, in order to protect the underground hot water resources, some local governments prohibit mining of medium and deep underground water resources.
The geothermal buried pipe in the middle-deep layer is drilled into a high-temperature rock stratum with the depth of 2500-3000 m underground through a drilling machine, heat energy in the deep underground is led out through a closed metal sleeve heat exchanger, heat is supplied to a ground building through a heat pump system, water is not taken during heat taking, and pollutants and carbon emission are not generated. The heat supply technology of the buried pipe of the middle-deep geothermal energy needs to install a heat exchange inner pipe inside a closed metal sleeve to provide a circulation channel for exchanging underground heat energy, but in the construction process of the heat exchange inner pipe, due to human misoperation and engineering quality problems, the well falling accident of the heat exchange inner pipe can occur, and the service life of the buried pipe of the middle-deep geothermal energy is limited.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a middle-deep geothermal buried pipe heat transfer inner tube fishing device for solving the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a middle-deep geothermal buried pipe heat transfer inner tube fishing device, includes salvage wire rope, connects the steel ingot, salvages the body, salvages the head end, salvages tongue subassembly and stirs the subassembly, salvage wire rope's one end and be connected the one end of steel ingot, the other end of connecting the steel ingot is connected with the one end of salvaging the body, and the bottom of salvaging the body is provided with salvages the head end, it salvages tongue subassembly to be provided with the multiunit on the body, opens through stirring the subassembly.
The utility model discloses it is preferred, salvage the tongue subassembly including salvaging the tongue and salvaging the tongue recess, salvaging and being provided with a plurality of tongue recesses of salvaging on the body, salvaging and being provided with in the tongue recess and salvaging the tongue, salvaging the tongue and installing in salvaging the tongue recess after the closure, salvage the body and form cylinder type structure.
The utility model discloses preferred, salvage the tongue and salvage and be connected through the rotation axis between the tongue recess for salvage the tongue and open and close the action at salvaging tongue recess internal rotation.
The utility model discloses it is preferred, the bottom of salvaging the tongue recess is provided with spacing piece for the angle after opening of tongue is salvaged in the restriction, makes to salvage the tongue and is 90 with salvaging the body.
The utility model discloses preferred, salvage the tongue and be the right triangle structure, make after its hypotenuse links up with spacing piece and salvage the tongue and be 90 with salvaging the body.
The utility model discloses preferred, stir the subassembly including setting up in the rope stirring of salvaging the tongue in the hanging rope hole that the tongue is located the rotation axis below and pulling salvaging the tongue, hanging rope hole and stirring are connected through being connected the rope between the rope, stir the rope and pass the central outer hourglass of connecting the steel ingot by salvaging the body center for the pulling is stirred and is connected the rope and drive the salvage tongue under the closed state and open.
The utility model discloses preferred, the length geothermal well heat transfer inner tube length of salvaging wire rope and stirring the rope matches.
The utility model discloses preferred, it is the bullet head type to salvage the head end, is convenient for go deep into in the geothermal well heat transfer inner tube.
The utility model discloses preferred, it is J55, N80 or P110 grade steel to salvage the body, it is high strength alloy to salvage the tongue.
The beneficial effects of the utility model reside in that:
the utility model solves the problem that after the well falling accident happens to the heat exchange inner pipe of the buried pipe of the intermediate-deep geothermal ground, the fishing is carried out in a portable and effective way without using large machinery, and the fishing success rate is high and the cost is low; the utility model has the advantages of simple structure, stable performance and longer service life.
Drawings
Fig. 1 is a first structural schematic view of a middle-deep geothermal buried pipe heat exchange inner pipe fishing device of the present invention;
FIG. 2 is a schematic structural diagram II of the fishing device for the inner tube of the heat exchange of the buried tube of the intermediate geothermal floor.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-2: the utility model provides a middle-deep geothermal buried pipe heat transfer inner tube fishing device, is including salvaging wire rope 1, connecting steel ingot 2, salvaging body 3, salvaging head end 5, salvaging tongue subassembly and stirring the subassembly, and the one end of salvaging wire rope 1 is connected with the one end of connecting steel ingot 2, and the other end of connecting steel ingot 2 is connected with the one end of salvaging body 3, and the bottom of salvaging body 3 is provided with salvages head end 5, is provided with the multiunit on the salvaging body 3 and salvages tongue subassembly, opens through stirring the subassembly.
As shown in fig. 1 and 2, the fishing tongue assembly comprises a fishing tongue 4 and a fishing tongue groove 9, the fishing body 3 is provided with a plurality of fishing tongue grooves 9, the fishing tongue 4 is arranged in the fishing tongue groove 8, and the fishing body 3 forms a cylindrical structure after the fishing tongue 4 is installed in the fishing tongue groove 9 and closed.
As shown in fig. 1 and 2, the fishing tongue 4 is connected with the fishing tongue groove 9 through the rotating shaft 6, and is used for opening and closing the fishing tongue 4 rotating in the fishing tongue groove 9.
As shown in fig. 1 and 2, the bottom of the fishing tongue groove 9 is provided with a limiting piece 10 for limiting the opened angle of the fishing tongue 4, so that the plane of the fishing tongue 4 and the fishing body 3 form a 90 degree angle.
As shown in fig. 1 and 2, the fishing tongue 4 is a right triangle structure, and the inclined edge of the fishing tongue 4 is connected with the limiting piece 10 to make the right angle edge of the fishing tongue 4 form 90 degrees with the fishing body 3.
As shown in fig. 1 and 2, the poking assembly comprises a rope hanging hole 7 arranged below the fishing tongue 4 and a poking rope 11 for pulling the fishing tongue 4, the rope hanging hole 7 is connected with the poking rope 11 through a connecting rope 8, the poking rope 11 penetrates through the center of the connecting steel ingot 2 from the center of the fishing body 3 and leaks outwards, and the connecting rope drives the fishing tongue 4 in a closed state to open after the poking rope 11 is pulled.
As shown in figures 1 and 2, the lengths of the fishing steel wire rope 1 and the toggle rope 11 are matched with the length of the heat exchange inner pipe of the geothermal well, and are generally 1000-4000 meters.
As shown in fig. 1 and 2, the fishing head end 5 is of a bullet head type and can conveniently go deep into the heat exchange inner pipe of the geothermal well.
As shown in figures 1 and 2, the fishing body 3 is made of J55, N80 or P110 grade steel, the length of the fishing body is 2-3 meters, the diameter of the fishing body is slightly smaller than the inner diameter of the geothermal well heat exchange inner pipe, and the fishing tongue 4 is made of high-strength alloy.
The working principle of the utility model is as follows:
as shown in fig. 1 and 2, a fishing steel wire rope 1 is connected and fixed with a connecting steel ingot 2 through a U-shaped card and is connected with a fishing body 3 in a welding mode, the fishing body 3 is put into an interference-free geothermal well heat exchange inner pipe, a fishing tongue 4 is compressed in a fishing tongue groove 9 of the fishing body 3, after the fishing tool enters the heat exchange inner pipe, the fishing tool is lifted up, the fishing tongue 4 is pulled and opened through a stirring rope 11 installed in the fishing body 3, and after the fishing tool stretches out, the fishing tool can penetrate into the material of the heat exchange inner pipe, so that the heat exchange inner pipe fishing construction is realized.
To sum up, the utility model solves the problem that after the well falling accident happens to the heat exchange inner pipe of the buried pipe of the middle-deep geothermal ground, the fishing is carried out in a portable and effective way without using large machinery, and the fishing success rate is high and the cost is low; the utility model has the advantages of simple structure, stable performance and longer service life.
The present invention can be implemented by various modifications without departing from the spirit and spirit of the present invention, and the above description is only a preferred and feasible embodiment of the present invention, and is not intended to limit the scope of the present invention, and all the equivalent structural changes made by using the contents of the present invention and the accompanying drawings are included in the scope of the present invention.
Claims (9)
1. The utility model provides a middle-deep geothermal buried pipe heat transfer inner tube fishing device, its characterized in that, including salvage wire rope, connect the steel ingot, salvage the body, salvage the head end, salvage tongue subassembly and stir the subassembly, salvage wire rope's one end and the one end of being connected the steel ingot and be connected, the other end of connecting the steel ingot is connected with the one end of salvaging the body, and the bottom of salvaging the body is provided with salvages the head end, it is provided with multiunit salvage tongue subassembly on the body, opens through stirring the subassembly.
2. The fishing device for the heat exchange inner pipe of the middle-deep geothermal buried pipe according to claim 1, wherein the fishing tongue component comprises a fishing tongue and fishing tongue grooves, a plurality of fishing tongue grooves are formed in the fishing body, fishing tongues are arranged in the fishing tongue grooves, and after the fishing tongues are installed in the fishing tongue grooves and closed, the fishing body is of a cylindrical structure.
3. The fishing device for the inner tube of the heat exchange pipe of the middle-deep geothermal buried pipe according to claim 2, wherein the fishing tongue is connected with the fishing tongue groove through a rotating shaft and used for rotating the fishing tongue in the fishing tongue groove to open and close.
4. The fishing device for the inner heat exchange pipe of the middle-deep geothermal buried pipe according to claim 3, wherein the bottom of the groove of the fishing tongue is provided with a limiting piece for limiting the opened angle of the fishing tongue so that the fishing tongue and the fishing body form a 90-degree angle.
5. The fishing device for the heat exchange inner pipe of the middle-deep geothermal buried pipe according to claim 4, wherein the fishing tongue is of a right-angled triangle structure, and the bevel edge of the fishing tongue is connected with the limiting piece so that the fishing tongue and the fishing body form a 90-degree angle.
6. The device for salvaging the heat exchange inner tube of the buried tube of the middle-deep geothermal ground according to claim 5, wherein the poking component comprises a rope hanging hole and a poking rope, the rope hanging hole is formed in the position, below the rotating shaft, of the poking tongue, the poking rope pulls the poking tongue, the rope hanging hole is connected with the poking rope through a connecting rope, the poking rope penetrates through the center of the steel ingot from the center of the fishing body and leaks outwards, and the connecting rope is used for pulling the poking rope to drive the poking tongue to be opened in a closed state.
7. The fishing device for the heat exchange inner pipe of the middle-deep geothermal buried pipe according to claim 6, wherein the length of the fishing steel wire rope is matched with that of the heat exchange inner pipe of the geothermal well.
8. The fishing device for the inner tube of a mid-deep geothermal buried tube for heat exchange according to claim 7, wherein the fishing head end is of a bullet head type and is convenient to go deep into the inner tube of a geothermal well for heat exchange.
9. The inner pipe fishing device for the heat exchange of the medium-deep geothermal buried pipe according to claim 8, wherein the fishing body is made of J55, N80 or P110 grade steel, and the fishing tongue is made of high-strength alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614930.1U CN215169864U (en) | 2021-03-25 | 2021-03-25 | Intermediate-depth geothermal buried pipe heat exchange inner pipe fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614930.1U CN215169864U (en) | 2021-03-25 | 2021-03-25 | Intermediate-depth geothermal buried pipe heat exchange inner pipe fishing device |
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| Publication Number | Publication Date |
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| CN215169864U true CN215169864U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120614930.1U Active CN215169864U (en) | 2021-03-25 | 2021-03-25 | Intermediate-depth geothermal buried pipe heat exchange inner pipe fishing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961622A (en) * | 2022-06-20 | 2022-08-30 | 石兴安 | Fishing tool |
-
2021
- 2021-03-25 CN CN202120614930.1U patent/CN215169864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961622A (en) * | 2022-06-20 | 2022-08-30 | 石兴安 | Fishing tool |
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