CN204253095U - A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device - Google Patents
A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device Download PDFInfo
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- CN204253095U CN204253095U CN201420697670.9U CN201420697670U CN204253095U CN 204253095 U CN204253095 U CN 204253095U CN 201420697670 U CN201420697670 U CN 201420697670U CN 204253095 U CN204253095 U CN 204253095U
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Abstract
A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device, belongs to coal mine gas drainage technical field.The utility model overcomes existing manually discharging water and the deficiency of automatic draining mode, the negative pressure converter of particular design is utilized to coordinate with cursory, cursory rising or decline is controlled by the change of water level in header tank, and then control the position of rotation of negative pressure converter spool, by center spool air vent and normal atmosphere interface and negative-pressure balancing interface alternate communication, realize the change of pressure in header tank, thus realize Auto-drainage; And the inlet pipeline between header tank and collecting-tank is provided with scum pipe, has been equipped with stop valve and skim strainer simultaneously, thus possess the function of pulp water separation, separately deslagging.The utility model adopts pure mechanical system to realize ponding eliminating, and safety and reliability is high, ensure that carrying out smoothly of gas pumping.
Description
Technical field
The utility model belongs to coal mine gas drainage technical field, particularly relates to a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device.
Background technology
In mine gas extraction system, due to factors such as coal body itself or boring drilling methods, the ponding accumulated slag mostly existed in methane gas extraction pipeline in various degree can be caused, thus it is not smooth to cause gas drainage system to run, majority shows as gas pumping resistance and increases, extraction efficiency reduces, block completely once run into methane gas extraction pipeline, mash gas extraction cannot be continued, and the negative pressure of methane gas extraction pipeline is increasing, extraction equipment will be caused time serious to damage, bring major hidden danger to mine safety production.
Therefore, must get rid of ponding accumulated slag in methane gas extraction pipeline, current ponding wipe-out mode mainly contains two kinds, and one manually discharges water, and must interrupt gas pumping operation when discharging water, this ponding wipe-out mode inefficiency and waste of manpower resource; Another kind is automatic draining, utilizes automatic water drainage device to discharge water, but the automatic water drainage device used not only complex structure, fault rate is higher, and maintenance difficult, part automatic water drainage device adopts electrical energy drive, be in subsurface environment, its safety and reliability is all poor.Further, no matter be manually discharge water or automatic draining, do not possess the function of pulp water separation, separately deslagging, cause draining deslagging effect undesirable.
Utility model content
For prior art Problems existing, the utility model provides a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device, adopts pure mechanical system to realize ponding and gets rid of, and possess pulp water separation, separately deslagging function, safety and reliability is high, ensure that carrying out smoothly of gas pumping.
To achieve these goals, the utility model adopts following technical scheme: a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device, comprise header tank, cursory, guide peg and negative pressure converter, the water inlet of described header tank is connected with the collecting-tank of methane gas extraction pipeline, and water inlet is communicated with header tank inside by one way valve; Inlet pipeline between described header tank and collecting-tank is provided with scum pipe, on the inlet pipeline of collecting-tank side, stop valve is installed at scum pipe, on the inlet pipeline of header tank side, skim strainer is installed at scum pipe; The delivery port of described header tank is by one way valve and header tank ft connection;
Described guide peg is vertically packed in header tank, and cursory suit on the guide bar, to be cursoryly slidably matched with guide peg; Described negative pressure converter is arranged on header tank casing, and negative pressure converter is communicated with position by cursory control negative pressure, and header tank controls internal pressure conditions by negative pressure converter.
Described negative pressure converter comprises handle, spool and valve casing, handle is fixedly connected with spool, spool and valve casing are set in together, spool is rotatable but axially immovable relative to valve casing, spool is provided with center roof vent, valve casing is respectively arranged with normal atmosphere interface and negative-pressure balancing interface, and center roof vent one end is connected with normal atmosphere interface and negative-pressure balancing interface respectively by the rotation of spool, and the other end is connected with header tank inside; At described valve core upper sleeve, back-moving spring is housed, back-moving spring one end is connected on spool, and the other end is connected on valve casing.
The handle of described negative pressure converter is connected with cursory by extension spring, and the normal atmosphere interface of negative pressure converter communicates with header tank outside atmosphere, and the negative-pressure balancing interface of negative pressure converter was connected with methane gas extraction pipeline by negative-pressure balancing communicating pipe.
The beneficial effects of the utility model:
The utility model overcomes existing manually discharging water and the deficiency of automatic draining mode, the negative pressure converter of particular design is utilized to coordinate with cursory, cursory rising or decline is controlled by the change of water level in header tank, and then control the position of rotation of negative pressure converter spool, by center spool air vent and normal atmosphere interface and negative-pressure balancing interface alternate communication, realize the change of pressure in header tank, thus realize Auto-drainage; And the inlet pipeline between header tank and collecting-tank is provided with scum pipe, has been equipped with stop valve and skim strainer simultaneously, thus possess the function of pulp water separation, separately deslagging.The utility model adopts pure mechanical system to realize ponding eliminating, and safety and reliability is high, ensure that carrying out smoothly of gas pumping.
Accompanying drawing explanation
Fig. 1 is a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device structural representation of the present utility model;
Fig. 2 is negative pressure converter structure schematic diagram of the present utility model;
Fig. 3 is A-A sectional view in Fig. 2;
In figure, 1-methane gas extraction pipeline, 2-collecting-tank, 3-header tank, 4-water inlet, 5-delivery port, 6-cursory, 7-guide peg, 8-negative pressure converter, 9-extension spring, 10-negative-pressure balancing communicating pipe, 11-stop valve, 12-scum pipe, 13-skim strainer, 14-handle, 15-spool, 16-valve casing, 17-center roof vent, 18-normal atmosphere interface, 19-negative-pressure balancing interface, 20-back-moving spring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, 3, a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device, comprise header tank 3, cursory 6, guide peg 7 and negative pressure converter 8, the water inlet 4 of described header tank 3 is connected with the collecting-tank 2 of methane gas extraction pipeline 1, and water inlet 4 is communicated with header tank 3 inside by one way valve; Inlet pipeline between described header tank 3 and collecting-tank 2 is provided with scum pipe 12, on the inlet pipeline of collecting-tank 2 side, stop valve 11 is installed at scum pipe 12, on the inlet pipeline of header tank 3 side, skim strainer 13 is installed at scum pipe 12; The delivery port 5 of described header tank 3 is by one way valve and header tank 3 ft connection;
Described guide peg 7 is vertically packed in header tank 3, and cursory 6 are sleeved on guide peg 7, and cursory 6 are slidably matched with guide peg 7; Described negative pressure converter 8 is arranged on header tank 3 casing, and negative pressure converter 8 controls negative pressure by cursory 6 and is communicated with position, and header tank 3 controls internal pressure conditions by negative pressure converter 8.
Described negative pressure converter 8 comprises handle 14, spool 15 and valve casing 16, handle 14 is fixedly connected with spool 15, spool 15 and valve casing 16 are set in together, spool 15 is rotatable but axially immovable relative to valve casing 16, spool 15 is provided with center roof vent 17, valve casing 16 is respectively arranged with normal atmosphere interface 18 and negative-pressure balancing interface 19, center roof vent 17 one end is connected with normal atmosphere interface 18 and negative-pressure balancing interface 19 respectively by the rotation of spool 15, and the other end is connected with header tank 3 inside; Described spool 15 is set with back-moving spring 20, and back-moving spring 20 one end is connected on spool 15, and the other end is connected on valve casing 16.
The handle 14 of described negative pressure converter 8 is connected with cursory 6 by extension spring 9, the normal atmosphere interface 18 of negative pressure converter 8 communicates with header tank 3 outside atmosphere, and the negative-pressure balancing interface 19 of negative pressure converter 8 was connected with methane gas extraction pipeline 1 by negative-pressure balancing communicating pipe 10.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
During original state, of the present utility model cursory 6 are positioned at guide peg 7 bottom under gravity, cursory 6 make the handle 14 of negative pressure converter 8 be in drop-down rollover states by extension spring 9, negative pressure converter 8 center roof vent 17 now communicates with negative-pressure balancing interface 19, and communicated with methane gas extraction pipeline 1 by negative-pressure balancing communicating pipe 10, and then making header tank 3, methane gas extraction pipeline 1 and collecting-tank 2 thereof be in negative-pressure balancing state, the back-moving spring 20 simultaneously between the spool 15 of negative pressure converter 8 and valve casing 16 is in extended state.
Open stop valve 11, the ponding of collecting-tank 2 enters in header tank 3 through skim strainer 13, and accumulated slag can sink in scum pipe 12, along with the water level in header tank 3 constantly raises, cursory 6 under buoyancy and extension spring 9 acting in conjunction, constantly can rise along guide peg 7, in this process, back-moving spring 20 resets gradually and is with movable valve plug 15 to rotate, until water level reaches maximum, back-moving spring 20 resets completely, the center roof vent 17 of spool 15 communicates with normal atmosphere interface 18 this moment, thus make the pressure in header tank 3 and external pressure dynamic balance, along with the change of pressure, the one way valve of delivery port 5 backs down by the water stored in header tank 3 under self gravitation effect, header tank 3 starts to carry out draining.
Along with constantly carrying out of draining, water level declines gradually, cursory 6 also constantly decline along guide peg 7, until return to initial position, now extension spring 9 is in extended state, and the handle 14 of negative pressure converter 8 is in drop-down rollover states again, in handle 14 switching process, be with movable valve plug 15 to rotate get back to initial position, even if negative pressure converter 8 center roof vent 17 communicates again with negative-pressure balancing interface 19, make header tank 3, methane gas extraction pipeline 1 and collecting-tank 2 thereof are in negative-pressure balancing state again, the one way valve of delivery port 5 is closed again, header tank 3 starts to continue water storage, until when water level reaches highest order, again carry out draining, and so forth, realize automatic draining.
After operation after a while, accumulated slag in scum pipe 12 gets more and more, need regular deslagging, first close stop valve 11, open the switch valve of scum pipe 12 mouth of pipe, accumulated slag can be discharged smoothly from scum pipe 12, after deslagging completes, close the switch valve of scum pipe 12 mouth of pipe, again open stop valve 11, deslagging end-of-job.
Claims (3)
1. a coal mine gas extraction pipeline Auto-drainage slag-draining device, it is characterized in that: comprise header tank, cursory, guide peg and negative pressure converter, the water inlet of described header tank is connected with the collecting-tank of methane gas extraction pipeline, and water inlet is communicated with header tank inside by one way valve; Inlet pipeline between described header tank and collecting-tank is provided with scum pipe, on the inlet pipeline of collecting-tank side, stop valve is installed at scum pipe, on the inlet pipeline of header tank side, skim strainer is installed at scum pipe; The delivery port of described header tank is by one way valve and header tank ft connection;
Described guide peg is vertically packed in header tank, and cursory suit on the guide bar, to be cursoryly slidably matched with guide peg; Described negative pressure converter is arranged on header tank casing, and negative pressure converter is communicated with position by cursory control negative pressure, and header tank controls internal pressure conditions by negative pressure converter.
2. a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device according to claim 1, it is characterized in that: described negative pressure converter comprises handle, spool and valve casing, handle is fixedly connected with spool, spool and valve casing are set in together, spool is rotatable but axially immovable relative to valve casing, spool is provided with center roof vent, valve casing is respectively arranged with normal atmosphere interface and negative-pressure balancing interface, center roof vent one end is connected with normal atmosphere interface and negative-pressure balancing interface respectively by the rotation of spool, and the other end is connected with header tank inside; At described valve core upper sleeve, back-moving spring is housed, back-moving spring one end is connected on spool, and the other end is connected on valve casing.
3. a kind of coal mine gas extraction pipeline Auto-drainage slag-draining device according to claim 2, it is characterized in that: the handle of described negative pressure converter is connected with cursory by extension spring, the normal atmosphere interface of negative pressure converter communicates with header tank outside atmosphere, and the negative-pressure balancing interface of negative pressure converter was connected with methane gas extraction pipeline by negative-pressure balancing communicating pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697670.9U CN204253095U (en) | 2014-11-19 | 2014-11-19 | A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420697670.9U CN204253095U (en) | 2014-11-19 | 2014-11-19 | A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device |
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| CN204253095U true CN204253095U (en) | 2015-04-08 |
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| CN201420697670.9U Expired - Fee Related CN204253095U (en) | 2014-11-19 | 2014-11-19 | A kind of coal mine gas extraction pipeline Auto-drainage slag-draining device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201547A (en) * | 2015-10-09 | 2015-12-30 | 河南理工大学 | Automatic water and slag discharging device in downward-hole gas extraction at water-rich area |
| CN105241502A (en) * | 2015-10-15 | 2016-01-13 | 华北理工大学 | Gas parameter measuring device for water-containing coal seam through dynamic balance method |
| CN105240049A (en) * | 2015-09-18 | 2016-01-13 | 太原理工大学 | Water draining device of coal mine gas drainage pipeline |
| CN108104871A (en) * | 2018-02-06 | 2018-06-01 | 河南理工大学 | A kind of mining anti-blocking automatic water drainage device |
| CN109826664A (en) * | 2019-04-12 | 2019-05-31 | 中国矿业大学(北京) | A kind of coal bed gas extraction and drill ponding automatic-discharging integrated apparatus and method |
| CN110043308A (en) * | 2019-05-16 | 2019-07-23 | 吕梁学院 | A kind of self-cleaning negative pressure automatic deslagging water discharging device and deslagging discharge water technique |
| CN110173302A (en) * | 2019-06-18 | 2019-08-27 | 龙口矿业集团有限公司 | A kind of preventing and extinguishing fire of coal mine note nitrogen pipe-line system self-draining arrangement |
| CN110410139A (en) * | 2019-09-02 | 2019-11-05 | 吕梁学院 | A kind of negative pressure automatic deslagging water discharging device |
| CN110424519A (en) * | 2019-08-14 | 2019-11-08 | 安徽企路石工程技术开发有限公司 | The construction method of self-priming municipal drainage system |
| CN110500130A (en) * | 2019-09-27 | 2019-11-26 | 宁夏煤炭勘察工程有限公司 | A kind of mining negative pressure deslagging drainage equipment |
| WO2020244136A1 (en) * | 2019-06-03 | 2020-12-10 | 山东科技大学 | Water drainage and dust removal device for gas extraction pipeline |
| CN112796824A (en) * | 2021-03-08 | 2021-05-14 | 吕梁学院 | Slag discharging and water draining device for gas pipeline |
| CN114376355A (en) * | 2021-12-07 | 2022-04-22 | 广东中旗新材料股份有限公司 | Quartz stone kitchen operation system and quartz stone application method |
| CN115938208A (en) * | 2023-02-01 | 2023-04-07 | 武汉博奥鹏程教育科技有限公司 | Power waterwheel simulation teaching aid |
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2014
- 2014-11-19 CN CN201420697670.9U patent/CN204253095U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240049A (en) * | 2015-09-18 | 2016-01-13 | 太原理工大学 | Water draining device of coal mine gas drainage pipeline |
| CN105240049B (en) * | 2015-09-18 | 2017-05-17 | 太原理工大学 | Water draining device of coal mine gas drainage pipeline |
| CN105201547A (en) * | 2015-10-09 | 2015-12-30 | 河南理工大学 | Automatic water and slag discharging device in downward-hole gas extraction at water-rich area |
| CN105201547B (en) * | 2015-10-09 | 2017-07-14 | 河南理工大学 | Hydrous fluids downhole mash gas extraction Auto-drainage slag-draining device |
| CN105241502A (en) * | 2015-10-15 | 2016-01-13 | 华北理工大学 | Gas parameter measuring device for water-containing coal seam through dynamic balance method |
| CN108104871A (en) * | 2018-02-06 | 2018-06-01 | 河南理工大学 | A kind of mining anti-blocking automatic water drainage device |
| CN108104871B (en) * | 2018-02-06 | 2023-05-05 | 河南理工大学 | Mining anti-blocking automatic water draining device |
| CN109826664A (en) * | 2019-04-12 | 2019-05-31 | 中国矿业大学(北京) | A kind of coal bed gas extraction and drill ponding automatic-discharging integrated apparatus and method |
| CN109826664B (en) * | 2019-04-12 | 2024-03-19 | 中国矿业大学(北京) | Integrated device and method for coal bed gas extraction and automatic drainage of accumulated water in drilling holes |
| CN110043308B (en) * | 2019-05-16 | 2024-05-14 | 吕梁学院 | Self-cleaning type negative-pressure full-automatic deslagging water draining device and deslagging water draining process |
| CN110043308A (en) * | 2019-05-16 | 2019-07-23 | 吕梁学院 | A kind of self-cleaning negative pressure automatic deslagging water discharging device and deslagging discharge water technique |
| WO2020244136A1 (en) * | 2019-06-03 | 2020-12-10 | 山东科技大学 | Water drainage and dust removal device for gas extraction pipeline |
| CN110173302A (en) * | 2019-06-18 | 2019-08-27 | 龙口矿业集团有限公司 | A kind of preventing and extinguishing fire of coal mine note nitrogen pipe-line system self-draining arrangement |
| CN110173302B (en) * | 2019-06-18 | 2020-12-08 | 龙口矿业集团有限公司 | Automatic drainage device of fire-fighting nitrogen injection pipeline system for coal mine |
| CN110424519A (en) * | 2019-08-14 | 2019-11-08 | 安徽企路石工程技术开发有限公司 | The construction method of self-priming municipal drainage system |
| CN110410139A (en) * | 2019-09-02 | 2019-11-05 | 吕梁学院 | A kind of negative pressure automatic deslagging water discharging device |
| CN110500130A (en) * | 2019-09-27 | 2019-11-26 | 宁夏煤炭勘察工程有限公司 | A kind of mining negative pressure deslagging drainage equipment |
| CN112796824B (en) * | 2021-03-08 | 2022-05-17 | 吕梁学院 | Slag discharging and water draining device for gas pipeline |
| CN112796824A (en) * | 2021-03-08 | 2021-05-14 | 吕梁学院 | Slag discharging and water draining device for gas pipeline |
| CN114376355A (en) * | 2021-12-07 | 2022-04-22 | 广东中旗新材料股份有限公司 | Quartz stone kitchen operation system and quartz stone application method |
| CN114376355B (en) * | 2021-12-07 | 2024-06-07 | 广东中旗新材料股份有限公司 | Quartz kitchen operating system and quartz application method |
| CN115938208A (en) * | 2023-02-01 | 2023-04-07 | 武汉博奥鹏程教育科技有限公司 | Power waterwheel simulation teaching aid |
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Legal Events
| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20181119 |