CN203783566U - Device for measuring pressure in hole in gas-water separation process - Google Patents
Device for measuring pressure in hole in gas-water separation process Download PDFInfo
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- CN203783566U CN203783566U CN201420211118.4U CN201420211118U CN203783566U CN 203783566 U CN203783566 U CN 203783566U CN 201420211118 U CN201420211118 U CN 201420211118U CN 203783566 U CN203783566 U CN 203783566U
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Abstract
The utility model discloses a device for measuring pressure in a hole in a gas-water separation process. The device comprises a main pipe, and a section of grouting hole pipe is arranged at the front head end of the main pipe; a small hole is processed on each of the two side walls of the grouting hole pipe; the smaller holes are connected to pressure-resistant rubber tubes respectively, namely a pressure-resistant water pipe and a pressure-resistant gas pipe; the pressure-resistant water pipe is connected with a section of transparent high-pressure rubber tube; two pressure-resistant gate valves are respectively arranged at the two ends of the transparent high-pressure rubber tube, and are respectively a first pressure-resistant gate valve and a second pressure-resistant gate valve; the pressure-resistant gas pipe is connected with a high-pressure-resistant four-way valve, is respectively connected with a gas supplementation hole, an on-line monitoring device and a pressure gage, and is used for measuring the pressure of methane gas. After the device for measuring the pressure in the hole in the gas-water separation process is used, the pressure of the methane gas does not decrease during water drainage; the overflow of methane gas at the opening of the hole cannot be detected by a portable methane gas detection instrument; the pressure of the methane gas can be measured accurately during water drainage, and use requirements can be met.
Description
Technical field
The utility model relates to gas/water separating pressure measuring apparatus in a kind of hole, belongs to colliery engineering technical field.
Background technology
The normal gas pressure measurement device using in existing down-hole, is and on 4 points of supervisors of collar extension, connects the bag that discharges water and realize that pressure measuring drill hole discharges water, and easily causes gas excessive in the process that discharges water in the hole in, and gas pressure is worth less than normal.From the actual service condition of this mine, within 2013, mine is measured coal seam original (remnants) gas pressure 93 times altogether, has ponding totally 52 holes in hole, and in the process of discharging water, downward trend obviously appears in its on-line monitoring, has caused in hole gas excessive.
Along with mine is to deep back production, projecting coal bed progressively to outburst dangerous area upgrading, how measuring accurately coal-bed gas pressure is to instruct face gas to administer the foundation of design.Therefore how reasonably to solve the problem of water in hole be the key that is related to gas pressure accuracy to pressure measuring drill hole.
Utility model content
The purpose of this utility model is to reduce while having water pressure measuring drill hole to cause the excessive gas pressure measurement value problem less than normal that causes of gas in hole because of bleed hole internal water accumulation, and gas/water separating pressure measuring apparatus in a kind of hole is provided, and this device is not only simple but also easy to operate.
For addressing the above problem, the utility model adopts following technical scheme:
The utility model provides gas/water separating pressure measuring apparatus in a kind of hole, described device comprises supervisor, supervisor's front end is one section of presbyopia pipe, an aperture of each processing on the two side of presbyopia pipe, each aperture connects respectively a pneumatic hose, is respectively withstand voltage water pipe and withstand voltage tracheae, and wherein withstand voltage water pipe connects one section of transparent high-pressure rubber pipe, transparent high-pressure rubber pipe two is provided with two withstand voltage gate valves, is respectively the first withstand voltage gate valve and the second withstand voltage gate valve; Withstand voltage tracheae connects high pressure resistant four-way, connects respectively polishing hole, on-Line Monitor Device and pressure meter, for measuring gas pressure.
The two ends of supervisor and two pneumatic hoses are respectively arranged with front plug and the sealing of rear plug, transparent high-pressure rubber pipe and high pressure resistant four-way are all arranged at outside rear plug, supervisor has one section of solid tube sealing in the front end arranged outside of front plug, supervisor is provided with a threeway pulp returning port near front plug rear inside position, is inserted with one section of Grouting Pipe on rear plug.
The two ends of front plug are respectively arranged with cotton yarn.
In described hole, the assembly method step of gas/water separating pressure measuring apparatus is:
1), supervisor's assembling: the front end of one section of 4 points of galvanized iron conduit uses presbyopia pipe, and is wound around metal filtration gauze, ties up solid and reliable; 4 points of galvanized iron conduits are wound around to 0.3m cotton yarn in front plug end positions, and middle parcel hole sealing bag is two-layer, tightens with iron wire, and on hole sealing bag, leaves 4 points of holes with another section of note polyurethane is tight with 4 points of galvanized iron conduit termination colligations, and formation is responsible for;
2), supervisor and withstand voltage water pipe and withstand voltage tracheae are tightened with iron wire, until lower to seeing that coal point fixes afterwards;
3), Grouting Pipe is inserted after rear plug to plug after the shutoff of employing polyurethane;
4), pressure ventilation pipe connects note 4 points of galvanized iron conduits for polyurethane by flexible pipe, polyurethane is blown in the hole sealing bag of front plug;
5), adopt electronic grouting pump grout injection, grouting pressure is 2Mpa for the first time, after the 2h of interval filling for the second time, more than pump pressure is stabilized in 6Mpa, the weight ratio≤0.7:1 of water and cement;
6), injection hole sealing finishes, and carries out transparent high-pressure rubber pipe, the first withstand voltage gate valve and the second withstand voltage gate valve and high pressure resistant four-way, polishing hole, on-Line Monitor Device and manometric installation after solidifying 24h.
In described hole, the using method of gas/water separating pressure measuring apparatus is: in the process of daily pressure measurement, the first withstand voltage gate valve of transparent high-pressure rubber pipe is closed, the second withstand voltage gate valve is in opening-wide state, after transparent high-pressure rubber pipe inner product full water between two withstand voltage gate valves, after closing the second withstand voltage gate valve, open again the first withstand voltage gate valve, after ponding in transparent high-pressure rubber pipe is discharged, the first withstand voltage gate valve is closed again, open the second withstand voltage gate valve simultaneously; Carry out the above step of repetition according to transparent high-pressure rubber pipe internal water accumulation situation, thereby realize discharging water of pressure tap; When after pressure stability, when transparent high-pressure rubber pipe internal water accumulation is discontented with, just can illustrate that the pressure of water generates does not affect pressure measurement value.
In use the utility model hole, after gas/water separating pressure measuring apparatus, in the process of discharging water, declining does not appear in gas pressure.Aperture is used the test of gas portable instrument not detect that gas is excessive.In the process discharging water, can measure accurately gas pressure, can meet instructions for use.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Detailed description of the invention
As shown in Figure 1, the utility model provides gas/water separating pressure measuring apparatus in a kind of hole, described device comprises supervisor 1, supervisor's front end is that one section of presbyopia 2 is managed, an aperture of each processing on the two side of presbyopia pipe, and each aperture connects respectively a pneumatic hose, be respectively withstand voltage water pipe 3 and withstand voltage tracheae 4, wherein withstand voltage water pipe connects one section of transparent high-pressure rubber pipe 5, and transparent high-pressure rubber pipe two is provided with two withstand voltage gate valves, is respectively the first withstand voltage gate valve 6 and the second withstand voltage gate valve 7; Withstand voltage tracheae connects high pressure resistant four-way, connects respectively polishing hole 8, on-Line Monitor Device 9 and pressure meter 10, for measuring gas pressure.
The two ends of supervisor and two pneumatic hoses are respectively arranged with front plug 11 and rear plug 12 seals, transparent high-pressure rubber pipe and high pressure resistant four-way are all arranged at outside rear plug, supervisor has one section of solid tube sealing 13 in the front end arranged outside of front plug, supervisor is provided with a threeway pulp returning port 14 near front plug rear inside position, is inserted with one section of Grouting Pipe 15 on rear plug.
The two ends of front plug are respectively arranged with cotton yarn 16.
The utility model provides the assembly method of gas/water separating pressure measuring apparatus in a kind of described hole simultaneously, and step is:
1), supervisor's assembling: the front end of one section of 4 points of galvanized iron conduit uses presbyopia pipe, and is wound around metal filtration gauze, ties up solid and reliable; 4 points of galvanized iron conduits are wound around to 0.3m cotton yarn in front plug end positions, and middle parcel hole sealing bag is two-layer, tightens with iron wire, and on hole sealing bag, leaves 4 points of holes with another section of note polyurethane is tight with 4 points of galvanized iron conduit termination colligations, and formation is responsible for;
2), supervisor and withstand voltage water pipe and withstand voltage tracheae are tightened with iron wire, until lower to seeing that coal point fixes afterwards;
3), Grouting Pipe is inserted after rear plug to plug after the shutoff of employing polyurethane;
4), pressure ventilation pipe connects note 4 points of galvanized iron conduits for polyurethane by flexible pipe, polyurethane is blown in the hole sealing bag of front plug;
5), adopt electronic grouting pump grout injection, grouting pressure is 2Mpa for the first time, after the 2h of interval filling for the second time, more than pump pressure is stabilized in 6Mpa, the weight ratio≤0.7:1 of water and cement;
6), injection hole sealing finishes, and carries out transparent high-pressure rubber pipe, the first withstand voltage gate valve and the second withstand voltage gate valve and high pressure resistant four-way, polishing hole, on-Line Monitor Device and manometric installation after solidifying 24h.
The utility model also provides the using method of gas/water separating pressure measuring apparatus in a kind of described hole simultaneously, in the process of daily pressure measurement, the first withstand voltage gate valve of transparent high-pressure rubber pipe is closed, the second withstand voltage gate valve is in opening-wide state, after transparent high-pressure rubber pipe inner product full water between two withstand voltage gate valves, after closing the second withstand voltage gate valve, open again the first withstand voltage gate valve, after the ponding in transparent high-pressure rubber pipe is discharged, the first withstand voltage gate valve is closed again, open the second withstand voltage gate valve simultaneously; Carry out the above step of repetition according to transparent high-pressure rubber pipe internal water accumulation situation, thereby realize discharging water of pressure tap; When after pressure stability, when transparent high-pressure rubber pipe internal water accumulation is discontented with, just can illustrate that the pressure of water generates does not affect pressure measurement value.
Finally it should be noted that: obviously, above-described embodiment is only for the utility model example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And the apparent variation of being amplified out thus or variation are still among protection domain of the present utility model.
Claims (3)
1. gas/water separating pressure measuring apparatus in a hole, it is characterized in that: described device comprises supervisor, supervisor's front end is one section of presbyopia pipe, an aperture of each processing on the two side of presbyopia pipe, each aperture connects respectively a pneumatic hose, is respectively withstand voltage water pipe and withstand voltage tracheae, and wherein withstand voltage water pipe connects one section of transparent high-pressure rubber pipe, transparent high-pressure rubber pipe two is provided with two withstand voltage gate valves, is respectively the first withstand voltage gate valve and the second withstand voltage gate valve; Withstand voltage tracheae connects high pressure resistant four-way, connects respectively polishing hole, on-Line Monitor Device and pressure meter, for measuring gas pressure.
2. gas/water separating pressure measuring apparatus in hole as claimed in claim 1, it is characterized in that: the two ends of supervisor and two pneumatic hoses are respectively arranged with front plug and the sealing of rear plug, transparent high-pressure rubber pipe and high pressure resistant four-way are all arranged at outside rear plug, supervisor has one section of solid tube sealing in the front end arranged outside of front plug, supervisor is provided with a threeway pulp returning port near front plug rear inside position, is inserted with one section of Grouting Pipe on rear plug.
3. gas/water separating pressure measuring apparatus in hole as claimed in claim 2, is characterized in that: the two ends of front plug are respectively arranged with cotton yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211118.4U CN203783566U (en) | 2014-04-28 | 2014-04-28 | Device for measuring pressure in hole in gas-water separation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211118.4U CN203783566U (en) | 2014-04-28 | 2014-04-28 | Device for measuring pressure in hole in gas-water separation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203783566U true CN203783566U (en) | 2014-08-20 |
Family
ID=51319766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211118.4U Withdrawn - After Issue CN203783566U (en) | 2014-04-28 | 2014-04-28 | Device for measuring pressure in hole in gas-water separation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203783566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912263A (en) * | 2014-04-28 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Intra-hole gas-water separation pressure measuring device and installation method and use method thereof |
-
2014
- 2014-04-28 CN CN201420211118.4U patent/CN203783566U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912263A (en) * | 2014-04-28 | 2014-07-09 | 淮南矿业(集团)有限责任公司 | Intra-hole gas-water separation pressure measuring device and installation method and use method thereof |
| CN103912263B (en) * | 2014-04-28 | 2016-05-04 | 淮南矿业(集团)有限责任公司 | Gas/water separating pressure measuring apparatus and installation method thereof and using method in hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140820 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |