CN203175601U - Negative pressure stabilizing device for coal mine gas pumping - Google Patents
Negative pressure stabilizing device for coal mine gas pumping Download PDFInfo
- Publication number
- CN203175601U CN203175601U CN 201320198989 CN201320198989U CN203175601U CN 203175601 U CN203175601 U CN 203175601U CN 201320198989 CN201320198989 CN 201320198989 CN 201320198989 U CN201320198989 U CN 201320198989U CN 203175601 U CN203175601 U CN 203175601U
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- CN
- China
- Prior art keywords
- pump drainage
- voltage stabilizing
- negative pressure
- stabilizing cover
- gas
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- 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
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Abstract
The utility model discloses a negative pressure stabilizing device for coal mine gas pumping and relates to the technical field of mine gas pumping devices. The negative pressure stabilizing device solves the problems that energy consumption is high when gas and residue separation is achieved during coal mine gas pumping at present and utilization value of extracted gas is not high and the like. A pressure stabilizing cover is fixed in a trough of the negative pressure stabilizing device for coal mine gas pumping, a pumping conduit is welded to a pumping hole of the pressure stabilizing cover, a fixed frame is arranged at the lower end of the pumping hole positioned at the top of the pressure stabilizing cover, a drilling gas extracting conduit is welded to a side wall of the upper end of the pressure stabilizing cover, supporting legs are welded to the bottom of the pressure stabilizing cover, and a piston is fixedly arranged in the middle of the top of a floating barrel of the pressure stabilizing cover. The negative pressure stabilizing device is simple in structure, convenient to install and efficient and saves energy, and gas and residue separation is effectively achieved.
Description
Technical field
The utility model relates to a kind of mine gas pump drainage fixture, particularly relates to the negative pressure stable-pressure device that a kind of coal mine gas pump drainage is used.
Background technology
For the needs that guarantee that coal mine downhole safety is produced, it is one of important process that ensures as coal mine downhole safety that the gas in the coal seam is carried out pump drainage.Be the gas exhaust pump as the main tool to gas exhaust, gas exhaust pump generally speaking carries out entrained cinder and rock ballast wearing and tearing in the bearing of gas exhaust pump in the process of pump drainage and the gas air-flow that sealing ring is often flowed fast to coal-bed gas, and cause the gas exhaust pump not use, have a strong impact on the safety in production under the coal mine; Gas exhaust pump under the coal mine has the installation of use gas slag separator that cinder and the rock ballast of sneaking in the gas air-flow separated at present, solved the wear problem that cinder and rock ballast bring for the gas exhaust pump, yet the gas of gas exhaust pump institute pump drainage not only has the methane gas in the boring, but the air that also comprises the mud hole external world on the gas slag separator, not only the methane gas pump drainage in holing was carried out pump drainage, inefficiency simultaneously but also to the outer air of mud hole when that is to say the gas exhaust pump work; Simultaneously the electric energy that consumes of the motor of gas exhaust pump very major part be wasted on the pump drainage of mud hole outside air of gas slag separator, cause the waste of the energy; Sneak into a large amount of air when being extracted by the gas exhaust pump because of the gas in holing, so the value of the gas mist that the gas exhaust pump extracts is not high yet.
The utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, a kind of simple in structure, easy for installation, efficient energy-saving is provided and realizes effectively that the gas slag separates the negative pressure stable-pressure device used of coal mine gas pump drainage.
For achieving the above object, the negative pressure stable-pressure device that the utility model provides a kind of coal mine gas pump drainage to use, described negative pressure stable-pressure device is provided with tank, and the voltage stabilizing cover is fixedly arranged in the described tank; The crown center of described voltage stabilizing cover is provided with the pump drainage hole, is welded with the pump drainage conduit on the pump drainage hole; The lower end, pump drainage hole at voltage stabilizing cover top is provided with fixed mount, and voltage stabilizing cover upper end sidewall is welded with boring gas and extracts conduit; The bottom of voltage stabilizing cover is welded with supporting leg, and supporting leg and tank back welding connect fixing; Be placed with internal diameter in the described voltage stabilizing cover less than the floating bucket of voltage stabilizing cover internal diameter, the crown center of floating bucket is set with a piston, piston is made up of floating head and connecting rod, raise the nose above water to breathe to be cone, the floating head base diameter of cone is greater than the diameter in pump drainage hole, the bottom of raising the nose above water to breathe is connected by connecting rod with floating bucket upper end, and connecting rod passes the connecting rod perforation that the fixed mount bottom arranges.
Be socketed with support spring on the connecting rod of described piston, support spring is being raised the nose above water to breathe between the upper end, lower end, bottom and fixed mount bottom.
Described boring gas extracts on the conduit pressure meter is installed.
The proportion of described floating bucket is less than the proportion of water.
The utility model beneficial effect is: the negative pressure stable-pressure device that coal mine gas pump drainage of the present utility model is used is simple in structure, easy for installation; Water in not only will hole when the negative pressure stable-pressure device that uses this coal mine gas pump drainage to use and slag are discharged in the container and have solved the wear problem that cinder and rock ballast bring to the gas exhaust pump; And the gas in holing realized that fixing negative pressure carries out pump drainage, and improved operating efficiency on the one hand, reduced energy consumption, the higher gas of purity that goes out of pump drainage can be realized civilian or industrial on the other hand.
The negative pressure stable-pressure device of coal mine gas pump drainage of the present utility model being used below in conjunction with accompanying drawing is described further.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Fig. 2 is the cut-away view that the utility model piston is blocked the pump drainage hole;
Fig. 3 is the also cut-away view of pump drainage hole separation of the utility model piston.
Among the figure: 1, tank, 2, the voltage stabilizing cover, 3, the pump drainage hole, 4, the pump drainage conduit, 5, fixed mount, 6, boring gas extracts conduit, and 7, supporting leg, 8, floating bucket, 9, piston, 10, raise the nose above water to breathe, 11, connecting rod, 12, connecting rod perforation, 13, support spring, 14, pressure meter.
The specific embodiment
As shown in Figure 1, the negative pressure stable-pressure device that the coal mine gas pump drainage of present embodiment is used is provided with tank 1, voltage stabilizing cover 2 is fixedly arranged in the tank 1, be welded with pump drainage conduit 4 on the voltage stabilizing cover 2, voltage stabilizing cover 2 upper end sidewalls are welded with boring gas and extract conduit 6, boring gas extracts on the conduit 6 pressure meter 14 is installed, and the bottom of voltage stabilizing cover 2 is welded with supporting leg 7, and supporting leg 7 connects fixing with tank 1 back welding.
As Fig. 2, shown in Figure 3, the crown center of voltage stabilizing cover 2 is provided with pump drainage hole 3, is welded with pump drainage conduit 4 in the pump drainage hole 3 of voltage stabilizing cover 2, and 3 lower ends, pump drainage hole at voltage stabilizing cover 2 tops are provided with fixed mount 5.Be placed with internal diameter in the voltage stabilizing cover 2 less than the floating bucket 8 of voltage stabilizing cover 2 internal diameters, the diameter of floating bucket 8 is 1/10th of voltage stabilizing cover 2 diameters, and the proportion of floating bucket 8 is 9/10ths of water proportion, and the crown center of floating bucket 8 is set with a piston 9.Piston 9 is made up of floating head 10 and connecting rod 11, and floating head 10 is cone, and floating head 10 base diameters of cone are greater than the diameter in pump drainage hole 3, and the bottom of floating head 10 is connected by connecting rod 11 with floating bucket 8 upper ends, and connecting rod 11 passes the connecting rod of fixed mount 5 bottoms setting and bores a hole 12.Be socketed with support spring 13 on the connecting rod 11 of piston 9, support spring 13 is being raised the nose above water to breathe between the upper end of lower end, bottom and fixed mount 5 bottoms.
Boring gas on the negative pressure stable-pressure device that coal mine gas pump drainage of the present utility model is used extracts conduit 6 and is connected with boring, and pump drainage conduit 4 is connected with air pump by wireway, simultaneously will tank 1 interior injection water to the top of voltage stabilizing cover 2 supporting legs 7.Be negative pressure state in the voltage stabilizing cover 2 when air pump is bled, then the gas of emitting in the boring or other gas enter voltage stabilizing cover 2 backs by the air pump pump drainage; Thereby the water in the tank 1 makes that because suction function in the voltage stabilizing cover 2 is promoted gradually floating bucket 8 rises simultaneously, after rising, floating bucket 8 cause the cone floating head 10 of the piston 9 on the floating bucket 8 to block pump drainage hole 3, this moment, air pump just stopped the methane gas in the pump drainage voltage stabilizing cover 2, and the cinder that mixes with methane gas in the voltage stabilizing cover 2 or rock ballast then fall into the water in the tank 1; Methane gas after floating head 10 is blocked pump drainage hole 3 in the boring still progressively enters in the voltage stabilizing cover 2, cause air pressure in the voltage stabilizing cover 2 to increase gradually and make the water levels in the voltage stabilizing cover 2 descend, because descending, the water level in the voltage stabilizing cover 2 drives floating bucket 8 sinkings, this make to raise the nose above water to breathe again 10 to leave pump drainage hole 3, like this air pump continue again the air pressure of methane gas until voltage stabilizing cover 2 in the pump drainage voltage stabilizing cover 2 diminish cause water level and rise after floating head 10 block pump drainage hole 3 again.So circulation, realize that air pump only carries out pump drainage to the methane gas in holing in certain range of negative pressure, the cinder that mixes with methane gas or the rock ballast that enter in the tank 1 interior water can be got rid of simultaneously, and air pump can be civilian or industrial to the higher methane gas of purity of institute's pump drainage in holing.
Claims (4)
1. the negative pressure stable-pressure device that the coal mine gas pump drainage is used is characterized in that, described negative pressure stable-pressure device is provided with tank, and the voltage stabilizing cover is fixedly arranged in the described tank; The crown center of described voltage stabilizing cover is provided with the pump drainage hole, is welded with the pump drainage conduit on the pump drainage hole; The lower end, pump drainage hole at voltage stabilizing cover top is provided with fixed mount, and voltage stabilizing cover upper end sidewall is welded with boring gas and extracts conduit; The bottom of voltage stabilizing cover is welded with supporting leg, and supporting leg and tank back welding connect fixing; Be placed with internal diameter in the described voltage stabilizing cover less than the floating bucket of voltage stabilizing cover internal diameter, the crown center of floating bucket is set with a piston, piston is made up of floating head and connecting rod, raise the nose above water to breathe to be cone, the floating head base diameter of cone is greater than the diameter in pump drainage hole, the bottom of raising the nose above water to breathe is connected by connecting rod with floating bucket upper end, and connecting rod passes the connecting rod perforation that the fixed mount bottom arranges.
2. the negative pressure stable-pressure device used of coal mine gas pump drainage according to claim 1 is characterized in that, is socketed with support spring on the connecting rod of described piston, and support spring is between raising the nose above water to breathe on lower end, bottom and the fixed mount bottom.
3. the negative pressure stable-pressure device used of coal mine gas pump drainage according to claim 1 is characterized in that, described boring gas extracts on the conduit pressure meter is installed.
4. the negative pressure stable-pressure device used of coal mine gas pump drainage according to claim 1 is characterized in that, the proportion of described floating bucket is less than the proportion of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198989 CN203175601U (en) | 2013-04-07 | 2013-04-07 | Negative pressure stabilizing device for coal mine gas pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320198989 CN203175601U (en) | 2013-04-07 | 2013-04-07 | Negative pressure stabilizing device for coal mine gas pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175601U true CN203175601U (en) | 2013-09-04 |
Family
ID=49072316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320198989 Expired - Fee Related CN203175601U (en) | 2013-04-07 | 2013-04-07 | Negative pressure stabilizing device for coal mine gas pumping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195472A (en) * | 2013-04-07 | 2013-07-10 | 曹佩永 | Negative pressure stabilizing device for gas pumping under coal mine |
-
2013
- 2013-04-07 CN CN 201320198989 patent/CN203175601U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195472A (en) * | 2013-04-07 | 2013-07-10 | 曹佩永 | Negative pressure stabilizing device for gas pumping under coal mine |
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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: 20130904 Termination date: 20150407 |
|
| EXPY | Termination of patent right or utility model |