CN217897955U - Increase and ooze device and take out and adopt system - Google Patents
Increase and ooze device and take out and adopt system Download PDFInfo
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- CN217897955U CN217897955U CN202220983528.5U CN202220983528U CN217897955U CN 217897955 U CN217897955 U CN 217897955U CN 202220983528 U CN202220983528 U CN 202220983528U CN 217897955 U CN217897955 U CN 217897955U
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Abstract
The utility model provides a increase and ooze device and take out and adopt system relates to colliery gas and takes out and adopt the field. The permeability increasing device comprises a heating furnace, a heating pipe and a sieve pipe, wherein the sieve pipe can be arranged in an extraction drill hole of a coal seam and extends to the bottom of the extraction drill hole, the heating pipe is arranged in the sieve pipe, and two ends of the heating pipe extend out of the sieve pipe and the extraction drill hole and are connected to the heating furnace. This increase and ooze device, during the use, the screen pipe sets up in taking out and exploiting the drilling, and the heating pipe sets up in the screen pipe, need not to beat and establishes special heating drilling, has significantly reduced the drilling engineering volume of traditional heating increase and ooze the mode, has also avoided the hole collapse accident that drilling quantity increases and leads to simultaneously. In addition, the sieve tube protects the heating pipe and can also play a role in supporting and protecting the extraction drill hole. Namely, the permeation enhancing device considers heating permeation enhancing and sieve tube hole protecting simultaneously, realizes the integration of heating permeation enhancing and hole protecting and pumping promotion, has simple structure, is not easy to cause hole collapse, can protect the hole, and is particularly suitable for soft coal beds of high gas and outburst mines.
Description
Technical Field
The utility model relates to a colliery gas drainage technical field particularly, relates to a increase and ooze device and take out and adopt system.
Background
The proportion of soft low-permeability coal seams in coal mine areas in China is as high as 82%, and the coal seams have the characteristics of broken coal bodies, low permeability, high gas content and the like. The extraction is a main means for solving the gas problem of high-gas outburst mines in China, but the permeability of the soft low-permeability coal seam is low, so the extraction effect of the common extraction mode is not good.
Because the kinetic energy of methane molecules adsorbed in the coal bed can be increased by increasing the temperature of the coal bed, the desorption of gas and the improvement of extraction efficiency are facilitated, and therefore, a permeation enhancing device for heating the coal bed to improve the permeability of the coal bed is provided in the prior art. However, in the coal seam heating and permeability increasing device in the prior art, special heating drill holes need to be drilled, the drilling work amount is increased, and hole collapse accidents are easy to happen along with the increase of the number of the drill holes.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a permeation enhancer to solve the permeation enhancer that exists among the prior art and need to beat and establish special heating drilling, the drilling engineering volume increases, and along with the increase of drilling quantity, the technical problem in hole that collapses easily takes place.
The utility model provides a permeation enhancer, including heating furnace, heating pipe and screen pipe, the screen pipe can set up in taking out of coal seam takes out in the drilling and can extend to take out the bottom of taking out the drilling, the heating pipe set up in the screen pipe, just the both ends of heating pipe all stretch out to the screen pipe with take out and take out outside the drilling and connect to the heating furnace.
Furthermore, the infiltration increasing device also comprises a three-way pipe, the three-way pipe is provided with a first pipe section, a second pipe section and a third pipe section, the first pipe section extends into the extraction drill hole, the outer side wall of the first pipe section is sealed with the hole wall of the extraction drill hole, and the outer end of the sieve pipe is connected with the first pipe section;
an end cover is arranged at the pipe orifice of the second pipe section, two through holes which are respectively matched with the two ends of the heating pipe are formed in the end cover, and the two ends of the heating pipe respectively penetrate through the corresponding through holes;
the third pipe section is communicated with the extraction pipeline.
Furthermore, the first pipe section and the second pipe section are coaxially arranged, and the third pipe section and the second pipe section are arranged at an included angle.
Further, the input end and the output end of the heating pipe are respectively connected to a heat feeding pipeline and a heat returning pipeline, and are connected to the heating furnace through the heat feeding pipeline and the heat returning pipeline.
Further, the heat delivery pipeline comprises a heat delivery main pipe and a plurality of heat delivery branch pipes, the heat delivery main pipe is connected to the heating furnace, the heat delivery branch pipes are respectively connected to the heat delivery main pipe, and the input end of the heating pipe is connected with one of the heat delivery branch pipes;
the heat regeneration pipeline comprises a heat regeneration main pipe and a plurality of heat regeneration branch pipes, the heat regeneration main pipe is connected to the heating furnace, the heat regeneration branch pipes are respectively connected to the heat regeneration main pipe, and the output end of the heating pipe is connected with one of the heat regeneration branch pipes.
Further, the heat-sending branch pipes are provided with first stop valves, and the first stop valves are used for controlling the on and off of the heat-sending branch pipes;
and/or the heat regeneration branch pipe is provided with a second stop valve, and the second stop valve is used for controlling the on and off of the heat regeneration branch pipe.
Furthermore, a detection pipe section is arranged beside the third pipe section, a gas detection device is installed at a pipe orifice of the detection pipe section, which is far away from the third pipe section, and the gas detection device is used for detecting components of gas in the third pipe section and the content of each component.
Further, the gas detection device is connected with the first stop valve and the second stop valve, and when the detection result of the gas detection device exceeds a preset range, the gas detection device controls the corresponding branch to be disconnected.
Further, the permeation enhancing device further comprises a temperature sensor and a pressure sensor, wherein the temperature sensor is used for monitoring the temperature of the heating medium in the heating furnace, and the pressure sensor is used for monitoring the pressure of the heating medium.
The utility model provides a permeation increasing device can produce following beneficial effect:
the utility model provides a when using, the heating furnace heats the back to heating medium, carries heating medium to the taking out of coal seam through the heating pipe in taking out the drilling, heats the coal seam to improve the permeability of gas in the coal seam, promote gas to take out.
The utility model provides a permeation enhancing device, including the screen pipe, during the use, the screen pipe sets up in taking out and taking out the drilling, and the heating pipe sets up in the screen pipe, need not to beat and establishes special heating drilling, and the drilling engineering volume of the traditional heating permeation enhancing mode that has significantly reduced has also avoided drilling quantity to increase the hole collapse accident that leads to simultaneously. In addition, the sieve tube protects the heating pipe and can also play a role in supporting and protecting the extraction drill hole. Namely, the utility model discloses a permeation enhancer will heat and increase and ooze and the screen pipe guard hole is considered simultaneously, has realized that the heating increases and oozes and the short integration of taking out of guard hole, and simple structure is difficult for resulting in the hole of collapsing and can the guard hole, is particularly useful for high gas, the soft coal seam of outburst mine, can effectively improve the permeability of gas in the coal seam, shortens greatly to take out and takes out the standard time.
A second object of the utility model is to provide an extract system to the increase that exists among the solution prior art oozes the device and need to be beaten and establish special heating drilling, and drilling engineering volume increases, and along with the increase of drilling quantity, the technical problem in hole that easily takes place to collapse.
The utility model provides a take out and adopt system, include the seepage enhancement device. The extraction system has all the advantages of the permeation increasing device, and therefore, the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is the embodiment of the utility model provides an adopt local structure schematic diagram of system.
Description of reference numerals:
100-heating furnace; 110-heat delivery main; 120-heat delivery branch pipe; 121-a first stop valve; 130-heating tube; 140-a regenerative branch pipe; 141-a second stop valve; 150-a main regenerative pipe; 160-circulating pump; 170-temperature sensor; 180-pressure sensor;
200-a screen;
310-extraction pipelines; 320-parallel network management; 330-third stop valve;
410-a first tube segment; 420-a second pipe section; 421-end cap; 430-a third tube section;
510-detecting a pipe section; 520-a fourth stop valve;
600-hole sealing pipe; 610-a seal;
700-coal seam; 710-extraction of the borehole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The embodiment provides a permeability increasing device, as shown in fig. 1, the permeability increasing device includes a heating furnace 100, a heating pipe 130 and a sieve pipe 200, the sieve pipe 200 can be disposed in an extraction borehole 710 of a coal seam 700 and can extend to the bottom of the extraction borehole 710, the heating pipe 130 is disposed in the sieve pipe 200, and both ends of the heating pipe 130 extend out of the sieve pipe 200 and the extraction borehole 710 and are connected to the heating furnace 100.
When the permeability increasing device provided by the embodiment is used, after the heating furnace 100 heats the heating medium, the heating medium is conveyed into the extraction borehole 710 of the coal seam 700 through the heating pipe 130 to heat the coal seam 700, so that the permeability of gas in the coal seam 700 is improved, and gas extraction is promoted.
The infiltration enhancing device provided by the embodiment comprises the sieve tube 200, when the infiltration enhancing device is used, the sieve tube 200 is arranged in the extraction drill hole 710, the heating pipe 130 is arranged in the sieve tube 200, special heating drill holes do not need to be drilled, the drilling engineering quantity of the traditional heating infiltration enhancing mode is greatly reduced, and hole collapse accidents caused by the increase of the drilling quantity are avoided. In addition, the screen pipe 200 protects the heating pipe 130 and also supports and protects the extraction borehole 710. That is, the permeability increasing device of the embodiment considers the heating permeability increasing and the hole protection of the sieve tube 200 at the same time, realizes the integration of heating permeability increasing and hole protection and pumping promotion, has a simple structure, is not easy to cause hole collapse, can protect the hole, is particularly suitable for a soft coal seam of a high-gas outburst mine, can effectively improve the permeability of gas in the coal seam 700, and greatly shortens the time for reaching the extraction standard.
Specifically, the supporting and protecting functions of the sieve tube 200 on the heating pipe 130 are as follows: when the pipe diameter of the screen pipe 200 is matched with the aperture of the extraction borehole 710, the screen pipe 200 plays a supporting role on the extraction borehole 710, and hole collapse can be avoided; when the pipe diameter of the sieve pipe 200 is smaller than the aperture of the extraction borehole 710, if hole collapse occurs, the sieve pipe 200 can also play a supporting role, so that adverse effects on extraction can be greatly reduced, and the extraction can be ensured to be normally and stably carried out.
Preferably, in the embodiment, as shown in fig. 1, the screen pipe 200 and the heating pipe 130 are both laid to the bottom of the extraction borehole 710, and thus, the heating and permeability increasing effect on the coal seam 700 over the entire length of the extraction borehole 710 can be ensured.
Specifically, in this embodiment, and continuing with FIG. 1, the heating pipe 130 is disposed in a U-shape within the screen 200. Of course, in other embodiments of the present application, the arrangement form of the heating pipe 130 in the sieve tube 200 is not limited to U-shape, for example: the heating pipe 130 extends to the bottom of the extraction borehole 710 in a spiral shape by taking the axis of the sieve pipe 200 as a shaft, and then returns along the axis of the sieve pipe 200 in a linear shape, so that the heating medium stays in the extraction borehole 710 for a long time, heat exchange can be better performed, and the low-temperature heating medium after heat exchange can also return to the heating furnace 100 quickly.
Specifically, in the present embodiment, the screen pipe 200 may adopt a multi-joint plugging structure; the heating pipe 130 may be a multi-joint insertion structure or a flexible material. By the arrangement, the sieve tube 200 and the heating pipe 130 can be conveniently installed in the underground roadway of the coal mine.
Specifically, in the application, as shown in fig. 1, the permeability increasing device further includes a three-way pipe, the three-way pipe has a first pipe section 410, a second pipe section 420 and a third pipe section 430, the first pipe section 410 extends into the extraction borehole 710, a seal is formed between the outer side wall of the first pipe section 410 and the wall of the extraction borehole 710, and the outer end of the screen pipe 200 is connected with the first pipe section 410; an end cover 421 is arranged at the pipe orifice of the second pipe section 420, two through holes respectively matched with the two ends of the heating pipe 130 are formed in the end cover 421, and the two ends of the heating pipe 130 respectively penetrate through the corresponding through holes; the third pipe section 430 is in communication with the extraction pipeline 310. So set up, the effect of gas passageway and heating pipe 130 passageway has been integrated to the three-way pipe, and the function integrates the degree height and simple structure is reliable.
Specifically, in this embodiment, the permeation enhancing device further includes a hole sealing pipe 600, the outer side wall of the hole sealing pipe 600 and the hole wall of the extraction borehole 710 are sealed by a hole sealing material, and the sealing material is cured to form a sealing body 610; the first pipe section 410 is connected with the outer port of the hole sealing pipe 600 in a sealing way; the outer end of the screen 200 is inserted into the blind pipe 600. So set up, it is all more convenient to install hole sealing pipe 600 in extraction drilling 710 and install the three-way pipe in hole sealing pipe 600. Of course, in other embodiments of the present application, the hole sealing pipe 600 may not be provided, and the first pipe segment 410 may be directly installed in the extraction borehole 710 in a sealing manner.
It should be noted that in other embodiments of the present application, the outer end of the screen 200 can be sleeved outside the hole sealing pipe 600, or connected with the hole sealing pipe 600 through a flange structure. That is, as long as the sieve tube 200 is connected to the hole plugging tube 600 to ensure the protection effect on the heating pipe 130 and the extraction borehole 710, the specific connection mode between the sieve tube 200 and the hole plugging tube 600 may not be limited in the present application.
Specifically, in this embodiment, as shown in fig. 1, the third pipe segment 430 may be connected to the extraction pipeline 310 through the mesh-grid pipe 320, so as to implement extraction of gas in the extraction borehole 710.
Specifically, in this embodiment, the first tube segment 410 is disposed coaxially with the second tube segment 420, and the third tube segment 430 is disposed at an angle to the first tube segment and the second tube segment. Preferably, the third pipe section 430 is arranged vertically with respect to the first pipe section 410 and the second pipe section 420, such that in use, the first pipe section 410 and the second pipe section 420 are arranged horizontally to facilitate laying of a pipeline, while the third pipe section 430 is arranged vertically to facilitate the upward flow of gas.
Specifically, in the present embodiment, the input end and the output end of the heating pipe 130 are respectively connected to the heat supply line and the heat return line, and are connected to the heating furnace 100 through the heat supply line and the heat return line.
More specifically, in the present embodiment, the heat delivery piping includes a heat delivery main pipe 110 and a plurality of heat delivery branch pipes 120, the heat delivery main pipe 110 is connected to the heating furnace 100, the plurality of heat delivery branch pipes 120 are respectively connected to the heat delivery main pipe 110, and an input end of the heating pipe 130 is connected to one of the heat delivery branch pipes 120; the regenerative pipeline includes a main regenerative pipe 150 and a plurality of branch regenerative pipes 140, the main regenerative pipe 150 is connected to the heating furnace 100, the plurality of branch regenerative pipes 140 are respectively connected to the main regenerative pipe 150, and an output end of the heating pipe 130 is connected to one of the branch regenerative pipes 140. In this arrangement, a plurality of extraction boreholes 710 in the same region can be respectively connected to the heat delivery main pipe 110 through one heat delivery branch pipe 120 and connected to the heat recovery main pipe 150 through one heat recovery branch pipe 140, that is, one heating furnace 100 can heat a plurality of extraction boreholes 710 at the same time, so that the permeability of gas in the coal seam 700 can be further increased, and the extraction of gas in the coal seam 700 can be promoted.
Specifically, in the present embodiment, as shown in fig. 1, the heat delivery branch pipes 120 are provided with first cut-off valves 121, and the first cut-off valves 121 are used for controlling on and off of the heat delivery branch pipes 120; the branch regenerative pipe 140 is provided with a second stop valve 141, and the second stop valve 141 is used for controlling on/off of the branch regenerative pipe 140. In this arrangement, when the first stop valve 121 and the second stop valve 141 are closed at the same time, the heat supply branch pipe 120, the heating pipe 130 and the heat return branch pipe 140 between the two are convenient to repair and replace; when the first stop valves 121 on all the heat delivery branch pipes 120 and the second stop valves 141 on all the regenerative branch pipes 140 are closed, the repair and replacement of the heating furnace 100, the heat delivery main pipe 110 and the regenerative main pipe 150 are facilitated.
In other embodiments of the present application, only one of the first stop valve 121 and the second stop valve 141 may be provided, and one of the pipes may be opened and closed.
Specifically, in this embodiment, the main heat recovery pipe 150 is further provided with a circulation pump 160, and the circulation pump 160 can adjust the circulation speed of the heating medium, so as to improve the heating efficiency of the coal seam 700.
In other embodiments of the present application, the circulation pump 160 may be provided on the heat delivery main pipe 110.
Specifically, in this embodiment, as shown in fig. 1, a detecting pipe section 510 is disposed beside the third pipe section 430, and a gas detecting device is installed at a pipe opening of the detecting pipe section 510 away from the third pipe section 430, and is used for detecting components and contents of the components of the gas in the third pipe section 430. In this configuration, the third pipe section 430 is provided to facilitate installation of the gas detection device, and the gas detection device is provided to facilitate detection of dangerous situations and to take timely measures to avoid accidents.
Preferably, the gas detection device can be a real-time detection device, so that real-time and continuous monitoring can be realized, and dangerous cases can be found in time.
It should be noted that, in other embodiments of the present application, a detection hole may be directly formed in the third pipe segment 430, and the gas detection device may be directly mounted at the detection hole.
Specifically, in the present embodiment, the gas detection device may be connected to the first and second cutoff valves 121 and 141, and when the detection result of the gas detection device is out of the preset range, the gas detection device controls the corresponding branch to be disconnected. The "preset range" may be a specified safe value range, such as a safe concentration range of methane. So set up, realized the intelligent linkage of gas detection device with first stop valve 121 and second stop valve 141, for people's operation, the reaction is more rapid, timely.
Preferably, the gas detection device may also alarm while disconnecting the first and second stop valves 121 and 141 to stop heating the coal seam 700.
It should be noted that, the connection between the gas detection device and the first stop valve 121 and the second stop valve 141 and how to implement the alarm are mature prior art, and no improvement is made in the present application, so that the present application is not described in detail.
Specifically, in this embodiment, the grid-connected pipe 320 may be provided with a third stop valve 330 to control the on/off of the grid-connected pipe 320.
Specifically, in the present embodiment, the detection pipe section 510 is provided with a fourth stop valve 520 to control the connection and disconnection of the detection pipe section 510.
Specifically, in this embodiment, as shown in fig. 1, the permeation enhancing device further includes a temperature sensor 170 and a pressure sensor 180, the temperature sensor 170 is used for monitoring the temperature of the heating medium in the heating furnace 100, and the pressure sensor 180 is used for monitoring the pressure of the heating medium.
Specifically, in the present embodiment, the heating medium may be water, oil, or steam. Compared with the use of electric heating, the heating medium adopted by the embodiment can avoid the dangerous condition of gas combustion or explosion caused by short circuit, and is safer.
The embodiment also provides an extraction system which comprises the infiltration enhancing device. The extraction system has all the advantages of the permeation increasing device, and therefore, the description is omitted.
Finally, it is further 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.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The permeability increasing device is characterized by comprising a heating furnace (100), a heating pipe (130) and a sieve tube (200), wherein the sieve tube (200) can be arranged in an extraction drill hole (710) of a coal seam (700) and can extend to the bottom of the extraction drill hole (710), the heating pipe (130) is arranged in the sieve tube (200), and two ends of the heating pipe (130) extend out of the sieve tube (200) and the extraction drill hole (710) and are connected to the heating furnace (100).
2. The infiltration enhancing device of claim 1, further comprising a tee pipe having a first pipe section (410), a second pipe section (420) and a third pipe section (430), wherein the first pipe section (410) extends into the extraction borehole (710), the outer side wall of the first pipe section (410) is sealed with the wall of the extraction borehole (710), and the outer end of the screen (200) is connected with the first pipe section (410);
an end cover (421) is arranged at a pipe orifice of the second pipe section (420), two through holes respectively matched with two ends of the heating pipe (130) are formed in the end cover (421), and two ends of the heating pipe (130) respectively penetrate through the corresponding through holes;
the third pipe section (430) is communicated with the extraction pipeline (310).
3. The permeation enhancing apparatus according to claim 2, wherein said first pipe segment (410) is coaxially disposed with said second pipe segment (420), and said third pipe segment (430) is disposed at an angle thereto.
4. The infiltration enhancing apparatus according to claim 2 or 3, wherein the input end and the output end of the heating pipe (130) are connected to a heat supply line and a heat return line, respectively, and are connected to the heating furnace (100) through the heat supply line and the heat return line.
5. The infiltration enhancing device according to claim 4, wherein the heat supply pipeline comprises a heat supply main pipe (110) and a plurality of heat supply branch pipes (120), the heat supply main pipe (110) is connected to the heating furnace (100), the plurality of heat supply branch pipes (120) are respectively connected to the heat supply main pipe (110), and the input end of the heating pipe (130) is connected with one of the heat supply branch pipes (120);
the regenerative pipeline comprises a main regenerative pipe (150) and a plurality of branch regenerative pipes (140), the main regenerative pipe (150) is connected to the heating furnace (100), the branch regenerative pipes (140) are respectively connected to the main regenerative pipe (150), and the output end of the heating pipe (130) is connected with one of the branch regenerative pipes (140).
6. The infiltration enhancing device according to claim 5, wherein the heat-supplying branch pipe (120) is provided with a first stop valve (121), and the first stop valve (121) is used for controlling the on and off of the heat-supplying branch pipe (120);
and/or a second stop valve (141) is arranged on the branch regenerative pipe (140), and the second stop valve (141) is used for controlling the on and off of the branch regenerative pipe (140).
7. The permeation enhancing device according to claim 6, wherein a detection pipe section (510) is arranged beside the third pipe section (430), and a gas detection device is installed at a pipe orifice of the detection pipe section (510) far away from the third pipe section (430), and is used for detecting components and contents of the components of the gas in the third pipe section (430).
8. The permeation enhancing device according to claim 7, wherein the gas detecting device is connected to the first stop valve (121) and the second stop valve (141), and controls the corresponding branch circuit to be disconnected when the detection result of the gas detecting device exceeds a preset range.
9. The permeation enhancing apparatus according to any one of claims 1 to 3, further comprising a temperature sensor (170) and a pressure sensor (180), wherein the temperature sensor (170) is configured to monitor a temperature of a heating medium in the heating furnace (100), and the pressure sensor (180) is configured to monitor a pressure of the heating medium.
10. An extraction system, characterized by comprising the permeability-increasing device of any one of claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220983528.5U CN217897955U (en) | 2022-04-26 | 2022-04-26 | Increase and ooze device and take out and adopt system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220983528.5U CN217897955U (en) | 2022-04-26 | 2022-04-26 | Increase and ooze device and take out and adopt system |
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| CN217897955U true CN217897955U (en) | 2022-11-25 |
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| CN202220983528.5U Active CN217897955U (en) | 2022-04-26 | 2022-04-26 | Increase and ooze device and take out and adopt system |
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