CN202187742U - Multifunctional integral hole sealing injecting and draining device - Google Patents
Multifunctional integral hole sealing injecting and draining device Download PDFInfo
- Publication number
- CN202187742U CN202187742U CN2011202890476U CN201120289047U CN202187742U CN 202187742 U CN202187742 U CN 202187742U CN 2011202890476 U CN2011202890476 U CN 2011202890476U CN 201120289047 U CN201120289047 U CN 201120289047U CN 202187742 U CN202187742 U CN 202187742U
- Authority
- CN
- China
- Prior art keywords
- core pipe
- water filling
- outer core
- under suction
- hole injecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a device for draining coal seam gas and injecting water, in particular to a multifunctional integral hole sealing injecting and draining device, which is multifunctional and can be used multiply. The technical scheme is that an integral injecting and draining device comprises two layers of core pipes, wherein an outer core pipe is sleeved outside the inner core pipe. One ends of the core pipes are provided with a water injecting port and a gas draining port, and the other ends of the core pipes are provided with a water injecting device and a gas draining device. An elastic sealing member is arranged outside the outer core pipe. One end of the outer core pipe serving as a water pipe passage is communicated with the water injecting port, the other end of the outer core pipe is communicated with the water injecting device, and the outer core pipe is further communicated with the sealing member. One end of the inner core pipe serving as a gas draining passage is communicated with the gas draining port, and the other end of the inner core pipe is communicated with the gas draining device. The multifunctional integral hole sealing injecting and draining device has the advantages that hole sealing devices do not need to be replaced during the operation process so that under-mine disassembling times can be lowered and carrying quantity can be reduced.
Description
Technical field
The utility model relates to a kind of equipment that is used for coal bed gas drainage and water filling, is specially a kind of multifunctional integrated sealing of hole injecting and emission device.
Background technology
Gas drainage under suction and water filling are carried out respectively in the coal seam at present.The general space of adopting earlier between technological means sealing water injection pipe, releasing pipe and the hole wall of water filling and extraction connects miscellaneous equipments such as water filling and extraction kinetic pump then, realizes water filling or the function that draws out methane.
Mining sealer has two kinds at present, and coal-bed flooding is used the hydraulic type hole packer with the hydraulic type hole packer with drawing out methane.Coal-bed flooding is used for the coal seam sealing of hole water filling of down-hole with the hydraulic type sealer, make the coal seam moistening, reduce dust, fire prevention fire extinguishing, increase cracks in coal seam and discharge gas.Drawing out methane is used for down-hole coal bed sealing of hole with the hydraulic type hole packer and draws out methane, and guarantees downhole safety and safety in production.These two kinds of hole packer performances are single, can only be interrupted enforcement separately, both lose time, and increase workload again, when taking a lot of work, take material, and operating efficiency receives influence greatly.
The utility model content
The purpose of the utility model provides a kind of one-machine-multi-function and nonexpondable multifunctional integrated sealing of hole injecting and emission device that is used for coal-bed flooding and gas drainage under suction.
The purpose of the utility model is to adopt following technical proposals to realize: multifunctional integrated sealing of hole injecting and emission device; It comprises the two-layer core pipe that the outer core pipe of the outer suit of inner core tube constitutes; Core Guan Yiduan is equipped with water filling port and gas drainage under suction port; The other end is equipped with water filling device and gas drainage under suction device, outer core pipe peripheral hardware elastic sealed body; Outer core pipe communicates with the water filling port as water pipe path one end, and the other end communicates with water filling device, and outer core pipe also communicates with seal; Inner core tube communicates with the gas drainage under suction port as gas drainage under suction path one end, and the other end communicates with the gas drainage under suction device.
Described seal is cylindrical, and seal is fixed in outer core pipe away from the water filling device end, and nearly water filling device end slides and is arranged at outer core pipe.
Described seal is columned withstand voltage high elastic rubber.
Described withstand voltage high elastic rubber liner high-tensile steel wires enhancement layer.
Described withstand voltage high elastic rubber liner oil resistant coating.
Described seal two ends are set in outer core pipe through installation sleeve, are fixed in outer core pipe away from the installation sleeve of water filling device end, and the installation sleeve of nearly water filling device end slides and is arranged at the core pipe.
Described water filling device comprises Water filling valve, the interface channel that communicates with outer core pipe, and the interface channel mouth is stifled to have stopper, and stopper is provided with elastic device.
Described gas drainage under suction device comprises that the strainer and the gas valve that are installed in core pipe extraction end are stifled.
Described water filling port and gas drainage under suction port are installed on core Guan Yiduan through unit connector.
Described water filling device and gas drainage under suction device are installed on the core pipe other end through the built-up sequence control valve.
The beneficial effect of the utility model is according to knowing the narration of such scheme: the product overall structure is scientific and reasonable, safe and efficient, easy to operate, and one-machine-multi-function also repeatedly uses.Ability is implemented independent sealing of hole water filling, sealing of hole draws out methane separately.Operating process need not changed hole packer, has reduced down-hole dismounting number of times, has alleviated the carrying amount.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Wherein, 1, the gas drainage under suction port, 2, the water filling port, 3, unit connector, 4, seal; 5, installation sleeve, 6, outer core pipe, 7, stopper, 8, Water filling valve, 9, strainer; 10, built-up sequence control valve, 11, the extraction end, 12, interface channel, 13, inner core tube.
The specific embodiment
Embodiment:
As shown in the figure, the utility model is used for the multifunctional integrated sealing of hole injecting and emission device of coal-bed flooding and gas drainage under suction, and it comprises the two-layer core pipe that the outer core pipe 6 of inner core tube 13 outer suits constitutes.Core Guan Yiduan is equipped with water filling port 2 and gas drainage under suction port one, and the other end is equipped with water filling device and gas drainage under suction device; Outer core pipe 6 peripheral hardware elastic sealed bodies 4; Outer core pipe 6 communicates with water filling port 2 as water pipe path one end, and the other end communicates with water filling device, and outer core pipe 6 (water pipe path) also communicates with seal 4; Inner core tube 13 communicates with the gas drainage under suction port one as gas drainage under suction path one end, and the other end communicates with the gas drainage under suction device.
Seal 4 two ends are set in outside the outer core pipe 6 through installation sleeve 5, are fixed in outside the outer core pipe 6 away from the installation sleeve of water filling device end, and the installation sleeve of nearly water filling device end slides and is arranged at outside the outer core pipe 6.
Described seal 4 profiles are the withstand voltage high elastic rubber that the coating of columned liner high-tensile steel wires enhancement layer and oil resistant, anti-weather constitutes.
Described water filling device comprises Water filling valve 8, the interface channel 12 that communicates with outer core pipe 6 (water pipe path), and interface channel 12 mouths of pipe are stifled to have stopper 7, and stopper 7 is provided with elastic device.
Described gas drainage under suction device comprises that the strainer 9 that is installed in inner core tube 13 extraction ends 11 is stifled with the gas valve.
Described water filling port 2 is installed on core Guan Yiduan with the gas drainage under suction port one through unit connector 3.
Described water filling device and gas drainage under suction device are installed on the core pipe other end through built-up sequence control valve 10.
During use, if carry out the sealing of hole water filling:
Then close the function that draws out methane of built-up sequence control valve 10 earlier, open Water filling valve 8; Water filling port 2 is connected high-pressure water, opens the water pipe path, and press water gets into outer core pipe 6 (water pipe path by water filling port 2
), get into seal 4, the seal firm sealing of hole that expands rapidly; Behind the firm sealing of hole of seal, water continue to get into interface channel 12, when hydraulic pressure during greater than 1MPa; The stopper 7 of interface channel 12 mouths of pipe is backed down by water under high pressure; Water is flowed out with place, interface channel 12 mouth of pipe slits by stopper 7, flows out Water filling valve 8, implements water filling.Water filling is accomplished, and closes the water source, the water releasing pressure automatically in the seal 4, and seal restores to the original state because of itself automatic restorability.
If carry out gas drainage under suction:
Then close Water filling valve 8 earlier, open the gas drainage under suction function of built-up sequence control valve; Water filling port 2 is connected high-pressure waters, opens the water pipe path, and press water gets into outer core pipes 6 (water pipe path) by water filling port 2, entering seal 4, the seal firm sealing of hole that expands rapidly; Pump is connected the extraction pipeline through the gas drainage under suction port one and is carried out gas drainage under suction, and extraction finishes and closes the extraction passage; Close the water source, the water releasing pressure automatically in the seal 4, seal restores to the original state because of itself automatic restorability.
Claims (10)
1. multifunctional integrated sealing of hole injecting and emission device; It is characterized in that: it comprises the two-layer core pipe that the outer core pipe of the outer suit of inner core tube constitutes; Core Guan Yiduan is equipped with water filling port and gas drainage under suction port, and the other end is equipped with water filling device and gas drainage under suction device, outer core pipe peripheral hardware elastic sealed body; Outer core pipe communicates with the water filling port as water pipe path one end, and the other end communicates with water filling device, and outer core pipe also communicates with seal; Inner core tube communicates with the gas drainage under suction port as gas drainage under suction path one end, and the other end communicates with the gas drainage under suction device.
2. multifunctional integrated sealing of hole injecting and emission device according to claim 1 is characterized in that: described seal is cylindrical, and seal is fixed in outer core pipe away from the water filling device end, and nearly water filling device end slides and is arranged at outer core pipe.
3. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2 is characterized in that: described seal is columned withstand voltage high elastic rubber.
4. multifunctional integrated sealing of hole injecting and emission device according to claim 3 is characterized in that: described withstand voltage high elastic rubber liner high-tensile steel wires enhancement layer.
5. multifunctional integrated sealing of hole injecting and emission device according to claim 3 is characterized in that: described withstand voltage high elastic rubber liner oil resistant coating.
6. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2; It is characterized in that: described seal two ends are set in outer core pipe through installation sleeve; Installation sleeve away from the water filling device end is fixed in outer core pipe, and the installation sleeve of nearly water filling device end slides and is arranged at outer core pipe.
7. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2 is characterized in that: described water filling device comprises Water filling valve, the interface channel that communicates with outer core pipe, and the interface channel mouth is stifled to have stopper, and stopper is provided with elastic device.
8. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2 is characterized in that: described gas drainage under suction device comprises that the strainer and the gas valve that are installed in core pipe extraction end are stifled.
9. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2 is characterized in that: described water filling port and gas drainage under suction port are installed on core Guan Yiduan through unit connector.
10. multifunctional integrated sealing of hole injecting and emission device according to claim 1 and 2 is characterized in that: described water filling device and gas drainage under suction device are installed on the core pipe other end through the built-up sequence control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202890476U CN202187742U (en) | 2011-08-10 | 2011-08-10 | Multifunctional integral hole sealing injecting and draining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202890476U CN202187742U (en) | 2011-08-10 | 2011-08-10 | Multifunctional integral hole sealing injecting and draining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187742U true CN202187742U (en) | 2012-04-11 |
Family
ID=45919201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202890476U Expired - Fee Related CN202187742U (en) | 2011-08-10 | 2011-08-10 | Multifunctional integral hole sealing injecting and draining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202187742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915065A (en) * | 2019-04-18 | 2019-06-21 | 重庆大学 | The portable pure pressure packer hole packer of bushing type |
-
2011
- 2011-08-10 CN CN2011202890476U patent/CN202187742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915065A (en) * | 2019-04-18 | 2019-06-21 | 重庆大学 | The portable pure pressure packer hole packer of bushing type |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2616635C1 (en) | Method of improved combustible gas recovery using underground two-phase gas-liquid variable based on phases of unworked coal fracturing in coal mine | |
| CN105507940B (en) | One kind cuts envelope pressure integration and strengthens gas pumping device and method | |
| CN108678802A (en) | A kind of coal mine bores, punching, takes out integrated outburst prevention device and method | |
| CN202250166U (en) | Secondary high-pressure grouting hole packer | |
| CN104533336A (en) | Process and device for pre-grouting rubber matrix to seal soft coal seam gas drainage borehole | |
| CN205577925U (en) | A layer drilling hole sealing device is worn in gas stifled and middle water seal in two for coal mine | |
| CN103104217A (en) | Drilling following cable underground hydraulic control sleeving valve | |
| CN202187742U (en) | Multifunctional integral hole sealing injecting and draining device | |
| CN205422624U (en) | Coal seam infusion hole packer | |
| CN205638532U (en) | But colliery is reuse's integrative hole sealing device of gas drainage water injection in pit | |
| CN205225131U (en) | Hole digger is prevented spouting by sleeve pipe | |
| CN204827294U (en) | Punch a hole with blowout preventer's drill way fixed structure in colliery | |
| CN204804766U (en) | Oil horizontal well presses in area multistage fracturing and reforms transform operation valve | |
| CN207583427U (en) | Gas discharge in mine negative pressure automatic drainage device | |
| CN201372770Y (en) | Blowout prevention valve | |
| CN104564105B (en) | A kind of apparatus and method of two grades of sleeve pipes of seat earth grouting and reinforcing | |
| CN108561176B (en) | Automatic blocking and permeability-increasing device and method for gas extraction drilling | |
| CN203476278U (en) | Grouting type hole sealing and automatic water discharging device for underground drilling gas extraction | |
| CN108071376B (en) | Injection and production string in coal-bed gas well | |
| CN206655676U (en) | A kind of down-hole plugging device of uncoupling plunger tubing pump snubbing serving | |
| CN202220617U (en) | Drilling extraction hole plugging device | |
| CN107882585A (en) | To drilling integrate draining gas pumping integrated apparatus under one kind | |
| CN211777571U (en) | Air-water pumping linkage device for guaranteeing safe drilling construction | |
| CN203335016U (en) | Pressure bearing type grouting hole packer with pulp returning prevention device | |
| CN209413883U (en) | A kind of coal mine water injection hole packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120411 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |