CN204729086U - Gas pressure measurement instrument - Google Patents
Gas pressure measurement instrument Download PDFInfo
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- CN204729086U CN204729086U CN201520511248.4U CN201520511248U CN204729086U CN 204729086 U CN204729086 U CN 204729086U CN 201520511248 U CN201520511248 U CN 201520511248U CN 204729086 U CN204729086 U CN 204729086U
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Abstract
The utility model relates to a kind of gas pressure measurement instrument, and comprise the gas circulation generation system relying on chemical reaction to produce pressed gas, gas circulation generation system is connected with penstock; Penstock Bonding pressure telescoping tube, gas carrier pipe connects gas and gathers telescoping tube, and gas gathers telescoping tube and connects gas acquisition port, and is disjunctor stretching structure with pressure telescoping tube; Two ring-type capsules divide and are located at one section of tubular housing two ends, the built-in swelling gasbag of tubular housing, and swelling gasbag outside is filled with a sealing mucus, the sidewall of tubular housing is provided with mucus outlet, penstock and ring-type capsule and swelling gasbag inner space; Gas acquisition port is placed in protection head, and protection head front end is provided with joint ring, and when gas collection telescoping tube and pressure telescoping tube link, gas acquisition port can eject joint ring and gather gas.The utility model using method is simple, convenient, and with low cost, is easy to maintaining.
Description
Technical field
The utility model relates to mechanical measurement technique field, specifically a kind of gas pressure measurement instrument.
Background technology
Determination of coal seam gas pressure is the basic work preventing coal mine gas disaster.At present direct measuring method and Indirect Determination two kinds are mainly contained to the mensuration of coal-bed gas pressure, being generally considered the most frequently used and the most reliable method is direct measuring method, namely a boring is played by tunnel, rock stratum or heading to the place of scheduled measurement coal-bed gas pressure with rig, then piezometer tube is drawn in the borehole, tight closure of holing again blocks, and determines coal-bed gas pressure by reading manometric reading on piezometer tube.
Existing determination of coal seam gas pressure method mainly comprises capsule hole sealing of hole manometric method, yellow mud-cementing manometric method, capsule-pressure mucus sealing of hole manometric method etc., the method sealing effectiveness of capsule hole sealing of hole pressure measurement is better, sealing of hole equipment can be reused, but cost is higher, transport, assembling and operation extremely inconvenience, also higher to the requirement of operating personnel.Yellow mud-cementing manometric method is simple, and do not need special device, but sealed borehole length is limited, takes a lot of work, time-consuming and labour intensity is large, the solid sealing material of use can not seal boring crack around, and sealing of hole effect is bad.Capsule-pressure mucus sealing of hole manometric method, although boring natural fissure around and the problem of pressure release crack gas leakage can be solved well, and the degree of accuracy is higher, but its equipment cost is high, instrument transport and assembling inconvenience, execute-in-place needs the personnel had compared with high-tech level, material recovery difficulty, and there is certain danger.Said determination method all also exists certain shortcoming separately, is therefore difficult to apply in production practices.
Utility model content
The utility model is intended to solve the problems of the technologies described above, and provides a kind of gas pressure measurement instrument of portable, easy and simple to handle, green energy conservation.
The technical scheme that the utility model solves the employing of its technical problem is:
A kind of gas pressure measurement instrument, comprise gas acquisition port, gas carrier pipe, gas pressure table, penstock, ring-type capsule, sealing mucus, also comprise the gas circulation generation system relying on chemical reaction to produce pressed gas, described gas circulation generation system is connected with penstock;
Penstock front end Bonding pressure telescoping tube, gas carrier pipe front end connects gas and gathers telescoping tube, and described gas gathers telescoping tube front end and connects gas acquisition port, and is disjunctor stretching structure with described pressure telescoping tube;
Ring-type capsule is two, divides the first, last two ends being located at one section of tubular housing, and is connected with tubular housing respectively; The built-in swelling gasbag of described tubular housing, swelling gasbag outside is filled with a sealing mucus, the sidewall of tubular housing is provided with mucus outlet, the inner space of penstock and described ring-type capsule and swelling gasbag;
Pressure telescoping tube, gas gather telescoping tube and gas acquisition port entirety is placed in the inner chamber that is protected head; described protection head is connected with the ring-type capsule of tubular housing end; protection head front end is provided with joint ring, and gas acquisition port can eject described joint ring by the interlock that gas gathers telescoping tube and pressure telescoping tube and gather gas.
Adopt the utility model of technique scheme, compared with prior art, its beneficial effect is:
Do not make additional equipment to provide gas-pressurized, the chemical reaction that main dependence gas circulation produces internal system produces pressed gas provides power, make annular capsule expansion plugging mucus, make the swelling gasbag in mucilage cavity expand simultaneously and mucus is extruded shutoff crack; When pressure acquires a certain degree, gas collects mouth will be ejected protection head, carries out the collection of gas, and protection head plays a protective role to gas acquisition port, not easily makes its blocked destruction; Using method is simple, convenient, and with low cost, is easy to maintaining.
As preferably, the utility model further technical scheme is:
Described gas circulation generation system comprises compressed air and triggers room, aluminum sulfate solution apotheca, sodium bicarbonate solution apotheca, storage pressure chamber, raffinate collecting chamber, compressed air is triggered room and is communicated with sodium bicarbonate solution apotheca with aluminum sulfate solution apotheca respectively by activation pressure carrier pipe, be connected with pressed gas collecting pipe one end after the aluminum sulfate solution carrier pipe of aluminum sulfate solution apotheca and the sodium bicarbonate solution carrier pipe of sodium bicarbonate solution apotheca converge, the end pipeline of aluminum sulfate solution carrier pipe and sodium bicarbonate solution carrier pipe is equipped with nozzle respectively, aluminum sulfate solution carrier pipe, sodium bicarbonate solution carrier pipe, raffinate collecting pipe connection collecting chamber at residual night is drawn in pressed gas collecting pipe joint portion, the other end of pressed gas collecting pipe connects storage pressure chamber, and storage pressure chamber is triggered room with penstock, compressed air be respectively connected by pressure supply pipe, circulating pressure carrier pipe,
Activation pressure carrier pipe, aluminum sulfate solution carrier pipe, sodium bicarbonate solution carrier pipe, circulating pressure carrier pipe are equipped with one way valve respectively, activation pressure carrier pipe and compressed air trigger room connecting portion and trigger switch are housed, and the outlet of pressure supply pipe is provided with level pressure one way valve;
Compressed air triggers room and is provided with activation pressure ftercompction mouth;
Residual night, collecting chamber was provided with negative pressure generating device;
It is spherical that storage pressure chamber and compressed air trigger room;
Penstock runs through two ring-type capsules, and by wireway and ring-type capsule inner space;
Penstock runs through tubular housing, and with the swelling gasbag inner space in tubular housing;
Gas carrier pipe runs through the tube chamber of penstock;
Comprise stretched sheathed tube, stretched sheathed tube is connected with the ring-type capsule of tubular housing head end, and gas circulation produces entire system and is placed in described stretched sheathed tube.
Said structure, gas circulation generation system triggers room by a compressed air and is extruded respectively by two kinds of solution, and forms spray reaction via nozzle, makes reaction more rapidly thoroughly; After pressed gas reaches certain pressure, be delivered to each position of instrument system via penstock and have an effect; Meanwhile, store up pressure chamber triggers with compressed air be connected for two kinds of solution mixing by circulating pressure carrier pipe between room after react power be endlessly provided.
In addition, gas circulation generation system uses carbon dioxide to pressurize to device as pressed gas, can not produce injury, green non-pollution, and be provided with gathering-device at residual night, recycled by raffinate human body.
The quantity of stretched sheathed tube suitably can be increased, to arrive required use length according to concrete service condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is that gas circulation produces system architecture schematic diagram;
Fig. 3 is protection head position close-up schematic view;
In figure: joint ring 1, gas acquisition port 2, gas gathers telescoping tube 3, ring-type capsule 4, 6, mucus outlet 5, penstock 7, gas carrier pipe 8, gas gas supplementing opening 9, gas pressure table 10, stretched sheathed tube 11, wireway 12, tubular housing 13, swelling gasbag 14, pressure telescoping tube 15, protection 16, activation pressure ftercompction mouth 17, compressed air triggers room 18, trigger switch 19, activation pressure carrier pipe 20, aluminum sulfate solution apotheca 21, sodium bicarbonate solution apotheca 22, raffinate collecting chamber 23, aluminum sulfate solution carrier pipe 24, raffinate collecting pipe 25, nozzle 26, pressure supply pipe 27, level pressure one way valve 28, storage pressure chamber 29, pressed gas collecting pipe 30, sodium bicarbonate solution carrier pipe 31, one way valve 32, circulating pressure carrier pipe 33.
Detailed description of the invention
By the following examples in detail the utility model is described in detail, object is only better to understand the utility model content.Therefore the cited case is not the restriction to the utility model content.
See Fig. 1, Fig. 3; the gas pressure measurement instrument that the present embodiment provides; its main part stretching into gaging hole is made up of stretched sheathed tube 11, ring-type capsule 4 and 6, tubular housing 13, protection 16, and stretched sheathed tube 11 front end connects ring-type capsule 4, ring-type capsule 4 front end connecting tubular cavity 13; tubular housing 13 front end connects ring-type capsule 6; ring-type capsule 6 front end connects protection 16, and protection 16 is conical head, and cone tip part is equipped with joint ring 1; form tubular body thus, be convenient to insert in gaging hole.
Penstock 7 runs through stretched sheathed tube 11, two ring-type capsules 4 and 6, tubular housings 13 successively, and gas carrier pipe 8 runs through the tube chamber of penstock 7; Two ring-type capsules 4 and the 6 built-in wireways 12 be communicated with blister cavities, wireway 12 is communicated with penstock 7; The built-in swelling gasbag 14 of tubular housing 13, swelling gasbag 14 is communicated with penstock 7, and swelling gasbag 14 outside is filled with a sealing mucus, the sidewall of tubular housing 13 is provided with mucus outlet 5, and exports 5 places in mucus and install one way valves; Penstock 7 outer end is connected with stretched sheathed tube 11 outer end and is closed, penstock 7 stretches in protection 16 inner chamber, end head Bonding pressure telescoping tube 15, gas carrier pipe 8 stretches in protection 16 inner chamber, end head connects gas and gathers telescoping tube 3, gas gathers telescoping tube 3 and connects as one in front end, in disjunctor stretching structure with pressure telescoping tube 15; Gas gathers telescoping tube 3 front end and connects gas acquisition port 2, gas acquisition port 2 is corresponding with joint ring 1 position of protection 16, when pressure telescoping tube 15 extends, gas gathers telescoping tube 3 and links with pressure telescoping tube 15, makes gas acquisition port 2 eject joint ring 1 and gather gas; Gas carrier pipe 8 outer end is drawn by stretched sheathed tube 11 outer end, is communicated with gas pressure table 10.
See Fig. 1, Fig. 2, gas circulation produces entire system and is placed in stretched sheathed tube 11.
Gas circulation generation system triggers room 18 primarily of compressed air, aluminum sulfate solution apotheca 21, sodium bicarbonate solution apotheca 22, storage pressure chamber 29, formation such as raffinate collecting chamber 23 grade, compressed air is triggered room 18 and is communicated with sodium bicarbonate solution apotheca 22 with aluminum sulfate solution apotheca 21 respectively by activation pressure carrier pipe 20, be connected with pressed gas collecting pipe 30 one end after the aluminum sulfate solution carrier pipe 24 of aluminum sulfate solution apotheca 21 and the sodium bicarbonate solution carrier pipe 31 of sodium bicarbonate solution apotheca 22 converge, the end pipeline of aluminum sulfate solution carrier pipe 24 and sodium bicarbonate solution carrier pipe 31 is equipped with nozzle 26 respectively, aluminum sulfate solution carrier pipe 24, sodium bicarbonate solution carrier pipe 31, pressed gas collecting pipe 30 joint portion is drawn raffinate collecting pipe 25 and is connected collecting chamber 23 at residual night, the other end of pressed gas collecting pipe 30 connects storage pressure chamber 29, and storage pressure chamber 29 bottom is communicated with penstock 7 by pressure supply pipe 27, and storage pressure chamber 29 top is triggered room 18 by circulating pressure carrier pipe 33 and compressed air and is communicated with.
Activation pressure carrier pipe 20, aluminum sulfate solution carrier pipe 24, sodium bicarbonate solution carrier pipe 31, circulating pressure carrier pipe 33 are equipped with one way valve 32 respectively, activation pressure carrier pipe 20 and compressed air trigger room 18 connecting portion and trigger switch 19 are housed, and the outlet of pressure supply pipe 27 is provided with level pressure one way valve 28; Compressed air triggers room 18 and is provided with activation pressure ftercompction mouth 17; Residual night, collecting chamber 23 was provided with negative pressure generating device; It is spherical that storage pressure chamber 29 and compressed air trigger room 18.
The gas pressure measurement instrument that the present embodiment provides, its operating principle is summarized as follows:
During use, compressed air is triggered the trigger switch 19 that room 18 connects to open, the pressed gas that compressed air triggers in room 18 pressurizes to the solution of aluminum sulfate solution apotheca 21 and sodium bicarbonate solution apotheca 22 li respectively through activation pressure carrier pipe 20, the nozzle 26 that aluminum sulfate solution apotheca 21 and the solution in sodium bicarbonate solution apotheca 22 are connected through aluminum sulfate solution carrier pipe 24 and sodium bicarbonate solution carrier pipe 31 respectively sprays hybrid reaction, the gas produced is transported to storage pressure chamber 29 through pressed gas collecting pipe 30, part pressed gas is got back to compressed air through the circulating pressure carrier pipe 33 above pressed gas storage pressure chamber 29 and is triggered room 18 again for reaction after two kinds of solution mixing provides power, another part is storing up the gas of pressure chamber 29 when being transported to penstock 7 through the pressure supply pipe 27 stored up below pressure chamber 29 after reaching certain pressure, pressed gas is flowed to annular capsule 4 and 6 through wireway 12 by penstock 7, makes its expansion plugging mucus, and the swelling gasbag 14 be simultaneously connected with the penstock 7 crush seal mucus that expands exports 5 by mucus and flows out fracture and carry out shutoff, after shutoff completes substantially, gas pressure in penstock 7 can raise further, thus pressure telescoping tube 15 is extended drive gas to gather telescoping tube 3 to extend gas acquisition port 2 is ejected protection 16 via joint ring 1, collect afterwards to gas.Gas carrier pipe 8 sends the gas of collection to gas pressure table 10, and staff can read the pressure of gas.
Above-described embodiment is only to the utility model explanation for example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a gas pressure measurement instrument, comprises gas acquisition port, gas carrier pipe, gas pressure table, penstock, ring-type capsule, sealing mucus, it is characterized in that:
Also comprise the gas circulation generation system relying on chemical reaction to produce pressed gas, described gas circulation generation system is connected with penstock;
Penstock front end Bonding pressure telescoping tube, gas carrier pipe front end connects gas and gathers telescoping tube, and described gas gathers telescoping tube front end and connects gas acquisition port, and is disjunctor stretching structure with described pressure telescoping tube;
Ring-type capsule is two, divides the first, last two ends being located at one section of tubular housing, and is connected with tubular housing respectively; The built-in swelling gasbag of described tubular housing, swelling gasbag outside is filled with a sealing mucus, the sidewall of tubular housing is provided with mucus outlet, the inner space of penstock and described ring-type capsule and swelling gasbag;
Pressure telescoping tube, gas gather telescoping tube and gas acquisition port entirety is placed in the inner chamber that is protected head; described protection head is connected with the ring-type capsule of tubular housing end; protection head front end is provided with joint ring, and gas acquisition port can eject described joint ring by the interlock that gas gathers telescoping tube and pressure telescoping tube and gather gas.
2. gas pressure measurement instrument according to claim 1, it is characterized in that: described gas circulation generation system comprises compressed air and triggers room, aluminum sulfate solution apotheca, sodium bicarbonate solution apotheca, storage pressure chamber, raffinate collecting chamber, compressed air is triggered room and is communicated with sodium bicarbonate solution apotheca with aluminum sulfate solution apotheca respectively by activation pressure carrier pipe, be connected with pressed gas collecting pipe one end after the aluminum sulfate solution carrier pipe of aluminum sulfate solution apotheca and the sodium bicarbonate solution carrier pipe of sodium bicarbonate solution apotheca converge, the end pipeline of aluminum sulfate solution carrier pipe and sodium bicarbonate solution carrier pipe is equipped with nozzle respectively, aluminum sulfate solution carrier pipe, sodium bicarbonate solution carrier pipe, raffinate collecting pipe connection collecting chamber at residual night is drawn in pressed gas collecting pipe joint portion, the other end of pressed gas collecting pipe connects storage pressure chamber, and storage pressure chamber is triggered room with penstock, compressed air be respectively connected by pressure supply pipe, circulating pressure carrier pipe.
3. gas pressure measurement instrument according to claim 2, it is characterized in that: activation pressure carrier pipe, aluminum sulfate solution carrier pipe, sodium bicarbonate solution carrier pipe, circulating pressure carrier pipe are equipped with one way valve respectively, activation pressure carrier pipe and compressed air trigger room connecting portion and trigger switch are housed, and the outlet of pressure supply pipe is provided with level pressure one way valve.
4. gas pressure measurement instrument according to claim 2, is characterized in that: compressed air triggers room and is provided with activation pressure ftercompction mouth.
5. gas pressure measurement instrument according to claim 2, is characterized in that: residual night, collecting chamber was provided with negative pressure generating device.
6. gas pressure measurement instrument according to claim 1, is characterized in that: it is spherical that storage pressure chamber and compressed air trigger room.
7. gas pressure measurement instrument according to claim 1, is characterized in that: penstock runs through two ring-type capsules, and by wireway and ring-type capsule inner space.
8. gas pressure measurement instrument according to claim 1, is characterized in that: penstock runs through tubular housing, and with the swelling gasbag inner space in tubular housing.
9. gas pressure measurement instrument according to claim 1, is characterized in that: gas carrier pipe runs through the tube chamber of penstock.
10. gas pressure measurement instrument according to claim 1, is characterized in that: comprise stretched sheathed tube, and stretched sheathed tube is connected with the ring-type capsule of tubular housing head end, and gas circulation produces entire system and is placed in described stretched sheathed tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511248.4U CN204729086U (en) | 2015-07-15 | 2015-07-15 | Gas pressure measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520511248.4U CN204729086U (en) | 2015-07-15 | 2015-07-15 | Gas pressure measurement instrument |
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| Publication Number | Publication Date |
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| CN204729086U true CN204729086U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520511248.4U Expired - Fee Related CN204729086U (en) | 2015-07-15 | 2015-07-15 | Gas pressure measurement instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060903A (en) * | 2017-11-24 | 2018-05-22 | 山东科技大学 | Coal-bed gas pressure measurement dynamic self-balance pressurization hole sealing device and method |
| CN109653704A (en) * | 2018-11-28 | 2019-04-19 | 山东省地质矿产勘查开发局第三水文地质工程地质大队(山东省鲁南地质工程勘察院) | Water stopper, layered water stopping device and system applied to geothermal well water pumping test |
| CN110159257A (en) * | 2019-06-23 | 2019-08-23 | 中煤科工集团重庆研究院有限公司 | Coal bed gas pressure measuring device and measuring method thereof |
| CN115822603A (en) * | 2022-12-26 | 2023-03-21 | 山东科技大学 | Deep coal roadway reinforcing device with pressure relief function and method thereof |
| CN116044383A (en) * | 2022-12-14 | 2023-05-02 | 河南龙宇能源股份有限公司陈四楼煤矿 | Deep hole sealing pressure measuring device |
-
2015
- 2015-07-15 CN CN201520511248.4U patent/CN204729086U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060903A (en) * | 2017-11-24 | 2018-05-22 | 山东科技大学 | Coal-bed gas pressure measurement dynamic self-balance pressurization hole sealing device and method |
| WO2019100732A1 (en) * | 2017-11-24 | 2019-05-31 | 山东科技大学 | Device and method for coal seam gas pressure measurement and dynamic self-balancing pressurized hole sealing |
| US10794174B2 (en) * | 2017-11-24 | 2020-10-06 | Shandong University Of Science And Technology | Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement |
| CN109653704A (en) * | 2018-11-28 | 2019-04-19 | 山东省地质矿产勘查开发局第三水文地质工程地质大队(山东省鲁南地质工程勘察院) | Water stopper, layered water stopping device and system applied to geothermal well water pumping test |
| CN110159257A (en) * | 2019-06-23 | 2019-08-23 | 中煤科工集团重庆研究院有限公司 | Coal bed gas pressure measuring device and measuring method thereof |
| CN116044383A (en) * | 2022-12-14 | 2023-05-02 | 河南龙宇能源股份有限公司陈四楼煤矿 | Deep hole sealing pressure measuring device |
| CN115822603A (en) * | 2022-12-26 | 2023-03-21 | 山东科技大学 | Deep coal roadway reinforcing device with pressure relief function and method thereof |
| CN115822603B (en) * | 2022-12-26 | 2024-02-27 | 山东科技大学 | Reinforcing device with pressure relief function for deep coal roadway and method thereof |
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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: 20151028 Termination date: 20160715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |