CN201902234U - Automatic negative pressure drainage device - Google Patents
Automatic negative pressure drainage device Download PDFInfo
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- CN201902234U CN201902234U CN 201020673024 CN201020673024U CN201902234U CN 201902234 U CN201902234 U CN 201902234U CN 201020673024 CN201020673024 CN 201020673024 CN 201020673024 U CN201020673024 U CN 201020673024U CN 201902234 U CN201902234 U CN 201902234U
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Abstract
The utility model discloses an automatic negative pressure drainage device. A box structure is divided by a partition board into an upper cavity and a lower cavity; a balance port is formed at the top of the upper cavity; the balance port is communicated with the lower cavity through a balance pipe; an isolation port is formed on the partition board; a fixed rod is fixed at the bottom of the lower cavity; a floating ball is sleeved on the fixed rod; magnets are respectively fixed at the lower end of the floating ball and on the inner surface of the bottom part of the lower cavity; the upper end of the floating ball is connected with an integrated control board; a balance bar is fixed on the upper surface of the integrated control board; the balance bar is inserted into the balance pipe; the upper end of the balance bar is connected with a balance ball; an isolation ball matched with the isolation port is fixed on the upper surface of the integrated control board through a connecting rod; magnets are respectively installed on the upper surface of the integrated control board and the lower surface of the partition board; and a drainage ball is mounted at a water outlet of the bottom of the lower cavity. The drainage device adopts a double-cavity structure, can synchronously realize negative pressure drainage and positive pressure water drainage, can not affect the extraction effect and has the advantages of high drainage efficiency, simple structure, light volume and low cost.
Description
Technical field
The utility model relates to a kind of by changing the device that discharges water of setting-out, specifically is a kind of automatic negative-pressure tailrace that prevents the ponding in the extraction borehole and pipeline in the coal mine gas extraction process.
Background technology
Gas control is the most important thing of Safety of Coal Mine Production.Gas pumping is more and more adopted by each colliery as a kind of method of novel improvement gas.Gas pumping is the measure of adopting specialized apparatus that the gas in coal seam, rock stratum and the goaf is extracted out or discharged, and the problem that it has fundamentally solved gas exceeding limit, has gathered is one of strong measure that ensures Safety of Coal Mine Production.The mine gas extraction is a technical work strongly professional, that difficulty is big, and wherein the ponding in extraction borehole and the pipeline is a big technical barrier of gas pumping always, directly affects the effect of gas drainage under suction.Ponding mainly is because nature of coal seam is moisture, wet type is drilled residual water and condensation water is holed along with negative pressure enters into the extraction pipeline by extraction in the pipeline, both increased the resistance of extraction pipeline, make the extraction negative pressure reduce, make pipeline bear the impact and the weight of a large amount of ponding again, cause gas leakage and methane accumulation easily, not only influence the extraction effect but also mine safety is produced the serious hidden danger of generation.
The automatic negative-pressure tailrace be a kind of can be under negative pressure state, a kind of automatic device of getting rid of ponding in the extraction pipeline, be one of effective ways that solve in extraction pipeline ponding, but the automatic negative-pressure tailrace of being bought from the market is difficult to reach the requirement that my ore deposit discharges water to extraction pipeline.The main problem that exists has: the weak effect that 1, discharges water can not be applied to the pipeline of a large amount of ponding.2, delivery port and tailrace internal duct are stopped up by cinder easily, put not water outlet.3, damage after easy-maintaining not.
Summary of the invention
Technical problem to be solved in the utility model provides the high automatic negative-pressure tailrace of a kind of drainage efficiency.
Address the above problem, a kind of automatic negative-pressure tailrace of the utility model, comprise a case structure that has air inlet port, gas outlet and delivery port, described case structure is separated into two cavitys up and down by dividing plate, last top of chamber has balance port, balance port communicates with cavity of resorption by balance pipe, and the epicoele upper end has air inlet port and gas outlet; Have the isolated port that upper and lower cavity is communicated with on the dividing plate; Fix a vertical fixed bar on the cavity of resorption bottom interior surface, be with the ball float that is slidingly connected with it on the fixed bar, be fixed with the magnet that cooperatively interacts respectively on ball float lower end and the cavity of resorption bottom interior surface, the ball float upper end is connected with one and combines the control plate, combine control plate upper surface and be fixed with balancing pole, balancing pole inserts in the balance pipe, the balance ball that the balancing pole upper end connects a salable balance pipe and can be free to slide in balance pipe, combine control plate upper surface and be fixed with the batching sphere that cooperates with isolated port by connecting rod, combine control plate upper surface and dividing plate soffit the magnet that cooperatively interacts respectively is housed, the cavity of resorption bottom has delivery port and sewage draining exit, and the ball that discharges water is equipped with at the delivery port place.
The air inlet port of automatic negative-pressure tailrace is connected with the delivery port that drill site is collected the water device, the gas outlet is connected with the extraction pipeline, isolated port and balance port always are in out a state that closes, by the different water yields produce buoyancy change ball float moved up and down, thereby the switching of control isolated port and balance port.When water level was low, ball float was in low level, and isolated port is opened, and balance port is closed, and the ponding of epicoele flows into cavity of resorption, and tailrace is in negative pressure state, and the ball that discharges water is blocked delivery port automatically.When water level was higher, ball float rose, and isolated port is sealed by batching sphere, and balance port is opened, and the tailrace epicoele is in negative pressure state, and cavity of resorption is in barotropic state, and ponding backs down the ball that discharges water automatically and flows out tailrace.
Compared with prior art, automatic negative-pressure tailrace described in the utility model has the following advantages: (1) this tailrace is applied widely, in the range of negative pressure of 8kap-60kap, all can use, (2) this tailrace adopts double cavity structure, negative pressure extraction and malleation are discharged water realize carrying out synchronously, not influence the extraction effect, (3) are simple in structure, volume is light and handy, and is cheap.
Description of drawings
Fig. 1 is the user mode figure of the utility model when water level is low.
Fig. 2 is the user mode figure of the utility model when water level is higher.
Among the figure, the 1-dividing plate; The 2-balance port; The 3-balance pipe; The 4-air inlet port; The 5-gas outlet; The 6-isolated port; The 7-fixed bar; The 8-ball float; 9-magnet; 10-combines the control plate; The 11-balancing pole; 12-balance ball; The 13-batching sphere; 14-magnet; The 15-delivery port; The 16-sewage draining exit; The 17-ball that discharges water; The 18-water filter; The 19-observation window; The 20-drill site is collected the water device; The 21-gas outlet; The 22-air inlet port; The 23-delivery port.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
A kind of automatic negative-pressure tailrace described in the utility model (as shown in Figure 1, 2), comprise a case structure that has air inlet port, gas outlet and delivery port, described case structure is separated into two cavitys up and down by dividing plate 1, last top of chamber has balance port 2, balance port 2 communicates with cavity of resorption by balance pipe 3, and the epicoele upper end has air inlet port 4 and gas outlet 5; Have the isolated port 6 that upper and lower cavity is communicated with on the dividing plate 1; Fix a vertical fixed bar 7 on the cavity of resorption bottom interior surface, be with the ball float 8 that is slidingly connected with it on the fixed bar 7, be fixed with the magnet 9 that cooperatively interacts on ball float 8 lower ends and the cavity of resorption bottom interior surface respectively, the ball float upper end is connected with one and combines control plate 10, combine control plate 10 upper surfaces and be fixed with balancing pole 11, balancing pole 11 inserts in the balance pipe 3, the balance ball 12 that balancing pole 11 upper ends connect a salable balance pipe 3 and can be free to slide in balance pipe 3, combine control plate 10 upper surfaces and be fixed with the batching sphere 13 that cooperates with isolated port 6 by connecting rod, combine control plate 10 upper surfaces and dividing plate 1 soffit the magnet 14 that cooperatively interacts respectively is housed, the cavity of resorption bottom has delivery port 15 and sewage draining exit 16, and the ball 17 that discharges water is equipped with at the delivery port place.
In order to prevent that tailrace from stopping up and corrosion, water filter 18 is housed on air inlet port 4.
Each connector all adopts the quick high-pressure hose coupling, and it is convenient to install and remove, and water yield is big, is difficult for stopping up.
Have observation window 19 on the epicoele sidewall, can observe tailrace inner product regimen condition, can in time pinpoint the problems, solve as early as possible, the full panel force-bearing plate is adopted in the front of tailrace.
During use, the automatic negative-pressure tailrace is collected water device 20 with drill site and is connected, it is the water tanks that have gas outlet 21, air inlet port 22 and delivery port 23 on the casing that drill site is collected water device 20, and its gas outlet 21 is connected with the extraction pipeline, and air inlet port 22 is connected with drilling holes at the drilling yard.The air inlet port 4 of automatic negative-pressure tailrace is connected with the delivery port 23 that drill site is collected the water device, and gas outlet 5 is connected with the extraction pipeline.
As shown in Figure 1, when water level is low, ball float 8 is in the bottom position of cavity of resorption, there is a natural attraction between the sexes for the magnet 9 of the ball float 8 lower ends magnet 9 corresponding with the cavity of resorption bottom, combines control plate 10 and also can descend thereupon, and fixing batching sphere 13 and balance ball 12 all descends on the comprehensive control plate 10, balance port 2 sealings, isolated port 6 is opened, and upper and lower cavity is communicated with, and the ponding of epicoele flows into cavity of resorption automatically because of gravity.Tailrace is in negative pressure state, and the ball 17 that discharges water is blocked delivery port 15 automatically.
As shown in Figure 2, when water level rose to a certain degree, the generation buoyancy of ball float 8 was during greater than the suction of the gravity of ball float 8 self and lower end magnet 9, and ball float 8 rises rapidly, combines control plate 10 and can't rise thereupon.Combining the control plate when ball float 8 upper ends contact with comprehensive control plate 10 rises, when rising to a certain degree, combine control plate 10 upper ends magnet 14 can there is a natural attraction between the sexes with magnet 14 on the dividing plate, this moment, batching sphere 13 all rose with balance ball 12, isolated port 6 is closed, and balance port 2 is opened, and the tailrace epicoele is in negative pressure state, cavity of resorption is in barotropic state, and ponding can back down the ball 17 that discharges water automatically and flow out tailrace.
As shown in Figure 1, when drawdown arrives to a certain degree, when ball float 8 spontaneous gravity produce buoyancy greater than ball float 8, ball float 8 meeting drawdown, combining control plate 10 can't descend thereupon.When ball float 8 drops to a certain degree, the magnet 9 of the ball float 8 lower ends magnet 9 corresponding with cavity of resorption is when there is a natural attraction between the sexes, the suction of the weight of ball float self and lower end magnet 9 is greater than magnet 14 suction of the magnet 14 of combining control plate 10 upper ends with dividing plate at this moment, and the comprehensive plate 10 of controlling can descend thereupon.Combine batching sphere 13 and the balance ball 12 fixed on the control plate 10 and all descend, balance port 2 sealings, isolated port 6 is opened, and upper and lower cavity is communicated with, and the ponding of epicoele flows into cavity of resorption automatically because of gravity.Tailrace is in negative pressure state, and the ball 17 that discharges water is blocked delivery port automatically.
Drainage effect of the present utility model is better, is example with bent ore deposit, Xishan coal electricity group east, and automatic negative-pressure tailrace on probation is installed in 28202 rails along the 1-5 drill site.Because 28202 rails are along being in+860 levels, coal-bed gas pressure is bigger, and above 28202 work planes aquifer is arranged, so the work plane water burst is bigger, extraction pipeline ponding is also quite a lot of.Adopt other type tailrace can't satisfy the demand that pipeline discharges water, gas can overflow from delivery port when manually discharging water, and is easy to cause gas exceeding limit.After using DQ-1 type automatic negative-pressure tailrace, the ponding in the extraction pipeline has obtained tangible improvement, has also avoided causing when manually discharging water the phenomenon of gas exceeding limit, solves the ponding difficult problem in the extraction drill site substantially.
Claims (4)
1. automatic negative-pressure tailrace, comprise a case structure that has air inlet port, gas outlet and delivery port, it is characterized in that: described case structure is separated into two cavitys up and down by dividing plate (1), last top of chamber has balance port (2), balance port (2) communicates with cavity of resorption by balance pipe (3), and the epicoele upper end has air inlet port (4) and gas outlet (5); Have the isolated port (6) that upper and lower cavity is communicated with on the dividing plate (1); Fix a vertical fixed bar (7) on the cavity of resorption bottom interior surface, be with the ball float (8) that is slidingly connected with it on the fixed bar (7), be fixed with the magnet (9) that cooperatively interacts on ball float (8) lower end and the cavity of resorption bottom interior surface respectively, the ball float upper end is connected with one and combines control plate (10), combine control plate (10) upper surface and be fixed with balancing pole (11), balancing pole (11) inserts in the balance pipe (3), the balance ball (12) that balancing pole (11) upper end connects a salable balance pipe (3) and can be free to slide in balance pipe (3), combine control plate (10) upper surface and be fixed with the batching sphere (13) that cooperates with isolated port (6) by connecting rod, combine control plate (10) upper surface and dividing plate (1) soffit the magnet (14) that cooperatively interacts respectively is housed, the cavity of resorption bottom has delivery port (15) and sewage draining exit (16), and the ball that discharges water (17) is equipped with at the delivery port place.
2. automatic negative-pressure tailrace according to claim 1 is characterized in that: water filter (18) is housed on the described air inlet port (4).
3. automatic negative-pressure tailrace according to claim 1 and 2 is characterized in that: each connector all adopts the quick high-pressure hose coupling.
4. automatic negative-pressure tailrace according to claim 1 and 2 is characterized in that: have observation window (19) on the epicoele sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020673024 CN201902234U (en) | 2010-12-22 | 2010-12-22 | Automatic negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020673024 CN201902234U (en) | 2010-12-22 | 2010-12-22 | Automatic negative pressure drainage device |
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| Publication Number | Publication Date |
|---|---|
| CN201902234U true CN201902234U (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020673024 Expired - Fee Related CN201902234U (en) | 2010-12-22 | 2010-12-22 | Automatic negative pressure drainage device |
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| CN (1) | CN201902234U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337921A (en) * | 2011-09-21 | 2012-02-01 | 山东新矿赵官能源有限责任公司 | Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site |
| CN102493834A (en) * | 2011-11-29 | 2012-06-13 | 山东新矿赵官能源有限责任公司 | Water and waste rock discharging device for extracting gas and working method thereof |
| CN102644479A (en) * | 2012-05-03 | 2012-08-22 | 淮南市华光矿山电子技术研究所 | Automatic water drainage device for gas extraction |
| CN103046959A (en) * | 2013-01-21 | 2013-04-17 | 江苏煤科机电设备制造有限公司 | Full negative pressure automatic water-discharging device |
| CN105464697A (en) * | 2016-01-04 | 2016-04-06 | 淮北矿业股份有限公司 | Self-made automatic water discharge device |
| CN110230514A (en) * | 2019-07-17 | 2019-09-13 | 新乡市嘉汇科技有限公司 | A kind of negative pressure tailrace that can be connect with gas drainage pipeline |
-
2010
- 2010-12-22 CN CN 201020673024 patent/CN201902234U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337921A (en) * | 2011-09-21 | 2012-02-01 | 山东新矿赵官能源有限责任公司 | Gas-water separation, water discharging and slag discharge integrated device for drill hole in gas extraction crossheading drill site |
| CN102493834A (en) * | 2011-11-29 | 2012-06-13 | 山东新矿赵官能源有限责任公司 | Water and waste rock discharging device for extracting gas and working method thereof |
| CN102644479A (en) * | 2012-05-03 | 2012-08-22 | 淮南市华光矿山电子技术研究所 | Automatic water drainage device for gas extraction |
| CN102644479B (en) * | 2012-05-03 | 2015-07-08 | 淮南市华光矿山电子技术研究所 | Automatic water drainage device for gas extraction |
| CN103046959A (en) * | 2013-01-21 | 2013-04-17 | 江苏煤科机电设备制造有限公司 | Full negative pressure automatic water-discharging device |
| CN105464697A (en) * | 2016-01-04 | 2016-04-06 | 淮北矿业股份有限公司 | Self-made automatic water discharge device |
| CN110230514A (en) * | 2019-07-17 | 2019-09-13 | 新乡市嘉汇科技有限公司 | A kind of negative pressure tailrace that can be connect with gas drainage pipeline |
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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: 20110720 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |