CN202628025U - Experiment device capable of simulating sealing of hole - Google Patents
Experiment device capable of simulating sealing of hole Download PDFInfo
- Publication number
- CN202628025U CN202628025U CN 201220050152 CN201220050152U CN202628025U CN 202628025 U CN202628025 U CN 202628025U CN 201220050152 CN201220050152 CN 201220050152 CN 201220050152 U CN201220050152 U CN 201220050152U CN 202628025 U CN202628025 U CN 202628025U
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- sealing
- mortar
- feed pipe
- simulation
- hole
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Abstract
The utility model relates to an experiment device capable of simulating sealing of a hole. The experiment device capable of simulating the sealing of the hole is characterized by comprising a grouting pump which is connected with a slurry-storing tank, wherein the grouting pump is connected with a switch tube through a flexible tube, and an outlet of the switch tube stretches into a grouting tube and both ends of the grouting tube are sealed. A plurality of fractures which are used to simulate the shape of a drilled hole are arranged in the middle part of the grouting tube, a simulating coal petrography seam sleeve is arranged outside the grouting tube, both ends of the simulating coal petrography seam sleeve are sealed, window screening is filled and wrapped between the grouting tube and the simulating coal petrography seam sleeve, and two brackets capable of adjusting height are arranged at the bottom of both ends of the grouting tube respectively. The experiment device capable of simulating the sealing of the hole is widely applied to gas pressure test for a blocked coal layer of a coal mine, gas drainage, and a hole gap in coal seam water injection.
Description
Technical field
The utility model relates to a kind of analogue experiment installation, particularly about a kind of simulation sealing of hole experimental facilities that is used for determination of coal seam gas pressure, gas drainage under suction and coal-bed flooding.
Background technology
Generally in determination of coal seam gas pressure, gas drainage under suction and coal-bed flooding, the reliability of sealing of hole is technological key of success.Because the restriction of colliery scene condition, technology can't directly be observed the sealing of hole situation after implementing, and can only reflect the sealing of hole effect indirectly through technological implementation result, and this has brought many inconvenience for the research of hole sealing technology.For this reason, need a kind of simulation sealing of hole of research and design experimental facilities, so that can observe directly the effect of various hole sealing technologies.
Summary of the invention
To the problems referred to above, the purpose of the utility model provides a kind of height of both can having regulated, and can simulate the simulation sealing of hole experimental facilities of different angle boring again.
For realizing above-mentioned purpose; The utility model is taked following technical scheme: a kind of simulation sealing of hole experimental facilities; It is characterized in that: it comprises that one connects the grouting pump of slurry-storing box, and said grouting pump connects a switching tube through a flexible pipe, and the feed pipe for mortar of two ends sealing is stretched in the outlet of said switching tube; The stage casing of said feed pipe for mortar is provided with the crack of some simulation borehole shape; And the outside of this section feed pipe for mortar is provided with the simulation coal rock layer cover of two ends sealing, is full of between said feed pipe for mortar and the said simulation coal rock layer cover and wraps up in the window screening that twines, and the bottom at said feed pipe for mortar two ends is respectively arranged with one can regulate support highly.
Said feed pipe for mortar adopts the long 6m that is, diameter is the pvc pipe of 50mm, and the middle part of said feed pipe for mortar is provided with the crack of some simulation borehole shape, and said feed pipe for mortar two ends are respectively arranged with sealing plug for pipe.
It is that 3m, diameter are the PVC of 75mm that simulation coal rock layer cover adopts length, and the two ends of said simulation coal rock layer cover are respectively arranged with the sealing shutoff.
Each said support is provided with three supporting legs, and the top of said supporting leg is provided with one and has the support bar that can regulate height.
The utility model is owing to take above technical scheme, and it has the following advantages: 1, therefore the utility model can control the pressure that injects feed pipe for mortar easily because the grouting pump of slurry-storing box is provided with pressure meter when injecting sealing material.2, the utility model makes making apparatus convenient owing on simulation sealing of hole experimental facilities, adopt pvc pipe as feed pipe for mortar and simulation coal rock layer cover, makes cost of investment cheap simultaneously.3, the utility model is wrapped up in the window screening that twines because the space in outside, feed pipe for mortar stage casing and simulation coal rock layer cover is full of, and makes the simulation sealing of hole test visualization more.4, the utility model has the support that can regulate height owing to be provided with one in the bottom of feed pipe for mortar, and therefore operation is more convenient when using simulation sealing of hole experimental facilities.The utility model can be widely used in the hole in colliery shutoff determination of coal seam gas pressure, gas drainage under suction and the coal-bed flooding.
Description of drawings
Fig. 1 is the utility model structural representation
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is carried out detailed description.
As shown in Figure 1; The utility model comprises that one connects the grouting pump 1 of slurry-storing box; Grouting pump 1 connects a switching tube 3 through a flexible pipe 2; The feed pipe for mortar 4 of two ends sealing is stretched in the outlet of switching tube 3, and the stage casing of feed pipe for mortar 4 is provided with the crack 41 of some simulation borehole shape, and the outside of this section feed pipe for mortar 4 is provided with the simulation coal rock layer cover 5 of two ends sealing; Be full of between feed pipe for mortar 4 and the simulation coal rock layer cover 5 and wrap up in the window screening 6 that twines, the bottom at feed pipe for mortar 4 two ends is respectively arranged with one can regulate support 7 highly.
In the foregoing description, feed pipe for mortar 4 adopts the long 6m that is, diameter is the pvc pipe of 50mm, and the middle part of feed pipe for mortar 4 is provided with the crack 41 of some simulation borehole shape, and feed pipe for mortar 4 two ends are respectively arranged with sealing plug for pipe 42, are used for simulation boring.
In the foregoing description, simulation coal rock layer cover 5 employing length are that 3m, diameter are the pvc pipe of 75mm, and the two ends of simulation coal rock layer cover 5 are respectively arranged with sealing shutoff 51, are used to simulate the coal rock layer that boring is full of hole on every side.
In the foregoing description, the grouting pump 1 of slurry-storing box is provided with a pressure meter, is used for controlling the pressure that injects various sealing materials to feed pipe for mortar 4, in feed pipe for mortar 4, injects the time and the injection rate of sealing material through switching tube 3 control grouting pumps 1.
In the foregoing description, be respectively arranged with three supporting legs 71 on each support 7, the top of supporting leg 71 is provided with one and has the support bar 72 that can regulate height.
May further comprise the steps during the utility model work:
1) grouting pump 1 with slurry-storing box injects sealing material, and connects switching tube 3 through flexible pipe 2.
2) again the feed pipe for mortar 4 that two ends seal is stretched in the outlet of switching tube 3.
3) after being opened the simulation coal rock layer cover 5 that passes two ends sealings, the pipe plug 42 of feed pipe for mortar 4 front ends covers pipe plug 42 again; And the outside that the stage casing of feed pipe for mortar 4 has a borehole shape crack 41 stayed in the simulation coal rock layer cover 5; Open the shutoff 51 that the simulation coal rock layer overlaps 5 two ends respectively; Wrap up in the window screening 6 that twines with being full of between feed pipe for mortar 4 and the simulation coal rock layer cover 5, will simulate the shutoff 51 that coal rock layer overlaps 5 two ends again and cover completely.
4) regulate height and the inclination angle that is arranged on feed pipe for mortar 4 bottom brackets 7.
5) open switching tube 3, through being arranged on the pressure of the pressure meter control injection sealing material on the grouting pump 1, sealing material is injected into through flexible pipe 2 and realizes the simulation sealing of holes in the feed pipe for mortar 4.
6) injection hole sealing finishes, and after the wait certain hour treats that sealing material solidifies, the feed pipe for mortar 4 and the lap of simulation coal rock layer cover 5 is cut open, just can directly observe the sealing of hole situation under the multiple situation such as different sealing materials and different sealing of hole pressure from the tomography of cutting open.
Above-mentioned each embodiment only is used to explain the utility model; Wherein the structure of each parts, connected mode etc. all can change to some extent; Every equivalents of on the basis of the utility model technical scheme, carrying out and improvement all should not got rid of outside the protection domain of the utility model.
Claims (4)
1. simulate the sealing of hole experimental facilities for one kind; It is characterized in that: it comprises that one connects the grouting pump of slurry-storing box; Said grouting pump connects a switching tube through a flexible pipe; The feed pipe for mortar of two ends sealing is stretched in the outlet of said switching tube, and the stage casing of said feed pipe for mortar is provided with the crack of some simulation borehole shape, and the outside of this section feed pipe for mortar is provided with the simulation coal rock layer cover of two ends sealing; Be full of between said feed pipe for mortar and the said simulation coal rock layer cover and wrap up in the window screening that twines, the bottom at said feed pipe for mortar two ends is respectively arranged with one can regulate support highly.
2. a kind of simulation sealing of hole experimental facilities as claimed in claim 1; It is characterized in that: said feed pipe for mortar adopts the long 6m that is; Diameter is the pvc pipe of 50mm, and the middle part of said feed pipe for mortar is provided with the crack of some simulation borehole shape, and said feed pipe for mortar two ends are respectively arranged with sealing plug for pipe.
3. a kind of simulation sealing of hole experimental facilities as claimed in claim 1 is characterized in that: it is that 3m, diameter are the PVC of 75mm that said simulation coal rock layer cover adopts length, and the two ends of said simulation coal rock layer cover are respectively arranged with the sealing shutoff.
4. like claim 1 or 2 or 3 described a kind of simulation sealing of hole experimental facilitiess, it is characterized in that: each said support is provided with three supporting legs, and the top of said supporting leg is provided with one and has the support bar that can regulate height.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220050152 CN202628025U (en) | 2012-02-16 | 2012-02-16 | Experiment device capable of simulating sealing of hole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220050152 CN202628025U (en) | 2012-02-16 | 2012-02-16 | Experiment device capable of simulating sealing of hole |
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Publication Number | Publication Date |
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CN202628025U true CN202628025U (en) | 2012-12-26 |
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Application Number | Title | Priority Date | Filing Date |
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CN 201220050152 Expired - Fee Related CN202628025U (en) | 2012-02-16 | 2012-02-16 | Experiment device capable of simulating sealing of hole |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104215510A (en) * | 2014-10-10 | 2014-12-17 | 山东科技大学 | Simulation test device for drilling grouting |
CN105545290A (en) * | 2015-12-15 | 2016-05-04 | 中国矿业大学 | Rotary-jet-grouting solidifying hole sealing simulation test platform and test method |
CN105672921A (en) * | 2016-01-22 | 2016-06-15 | 华北科技学院 | Coal seam drill hole packer simulation pushing device and pushing method |
CN105888605A (en) * | 2016-06-15 | 2016-08-24 | 华北科技学院 | Device and method for simulating pressurized grouting to plug drilled coal and rock fractures |
CN108917815A (en) * | 2018-04-03 | 2018-11-30 | 徐州工程学院 | A kind of pipe shaft structure for airfield pavement crack simulation pipeline |
CN109142158A (en) * | 2018-09-14 | 2019-01-04 | 太原理工大学 | A kind of experimental provision and method simulated slurries diffusion admittance and detect grouting parameter |
CN110107279A (en) * | 2019-04-29 | 2019-08-09 | 淮阴工学院 | A kind of gas sealing of hole ground simulating device |
CN112431578A (en) * | 2020-12-02 | 2021-03-02 | 山西潞安环保能源开发股份有限公司常村煤矿 | Method for extracting mine gas from low-permeability coal seam containing fault |
-
2012
- 2012-02-16 CN CN 201220050152 patent/CN202628025U/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104215510A (en) * | 2014-10-10 | 2014-12-17 | 山东科技大学 | Simulation test device for drilling grouting |
CN105545290A (en) * | 2015-12-15 | 2016-05-04 | 中国矿业大学 | Rotary-jet-grouting solidifying hole sealing simulation test platform and test method |
CN105545290B (en) * | 2015-12-15 | 2018-10-16 | 中国矿业大学 | A kind of churning solidification sealing of hole analogue test platform and test method |
CN105672921A (en) * | 2016-01-22 | 2016-06-15 | 华北科技学院 | Coal seam drill hole packer simulation pushing device and pushing method |
CN105672921B (en) * | 2016-01-22 | 2018-01-26 | 华北科技学院 | Coal bed drilling hole packer simulates propulsion plant and propulsion method |
CN105888605A (en) * | 2016-06-15 | 2016-08-24 | 华北科技学院 | Device and method for simulating pressurized grouting to plug drilled coal and rock fractures |
CN108917815A (en) * | 2018-04-03 | 2018-11-30 | 徐州工程学院 | A kind of pipe shaft structure for airfield pavement crack simulation pipeline |
CN108917815B (en) * | 2018-04-03 | 2020-11-06 | 徐州工程学院 | Pipe body structure for airport pavement crack simulation pipeline |
CN109142158A (en) * | 2018-09-14 | 2019-01-04 | 太原理工大学 | A kind of experimental provision and method simulated slurries diffusion admittance and detect grouting parameter |
CN109142158B (en) * | 2018-09-14 | 2020-08-28 | 太原理工大学 | Experimental device and method for simulating slurry diffusion channel and detecting grouting parameters |
CN110107279A (en) * | 2019-04-29 | 2019-08-09 | 淮阴工学院 | A kind of gas sealing of hole ground simulating device |
CN110107279B (en) * | 2019-04-29 | 2022-05-17 | 淮阴工学院 | Gas hole sealing ground simulation experiment device |
CN112431578A (en) * | 2020-12-02 | 2021-03-02 | 山西潞安环保能源开发股份有限公司常村煤矿 | Method for extracting mine gas from low-permeability coal seam containing fault |
CN112431578B (en) * | 2020-12-02 | 2022-07-29 | 山西潞安环保能源开发股份有限公司常村煤矿 | Method for extracting mine gas from low-permeability coal seam containing fault |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20150216 |
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EXPY | Termination of patent right or utility model |