CN204024961U - The passive Pneumatic booster device of a kind of underground coal mine - Google Patents
The passive Pneumatic booster device of a kind of underground coal mine Download PDFInfo
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- CN204024961U CN204024961U CN201420454974.2U CN201420454974U CN204024961U CN 204024961 U CN204024961 U CN 204024961U CN 201420454974 U CN201420454974 U CN 201420454974U CN 204024961 U CN204024961 U CN 204024961U
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- pneumatic
- compressor
- pressure
- gas
- underground
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Abstract
The utility model provides the passive Pneumatic booster device of a kind of underground coal mine, belongs to Pneumatic booster technical field.This device comprises pneumatic motor, compressor, gas holder and pneumatic control valve group, pneumatic motor and compressor are connected with underground pressure air system respectively, pneumatic motor, compressor, gas holder are connected successively with the pneumatic equipment of down-hole, and pneumatic control valve group is arranged between pneumatic motor and compressor.This device utilizes underground pressure air system, adopt passive drive, convert pipeline mesolow, large discharge gas to pressure that underground pneumatic equipment needs, downhole electric equipment can be replaced completely, eliminate potential safety hazard, improve the working efficiency of colliery pneumatic equipment, expand pneumatic equipment in underground coal mine application area, reduce cost of production, ensure Safety of Coal Mine Production, there is good economic benefit and social benefit.
Description
Technical field
The utility model relates to the passive Pneumatic booster device of a kind of underground coal mine, belongs to Pneumatic booster technical field.
Background technique
Along with coal mine down-hole tunnel constantly extends, the pressure of air line also reduces gradually, air pressure deficiency causes underground pneumatic equipment working efficiency greatly to reduce, and air line transformation needs to drop into millions of even up to ten million fund, adopt electronic supercharging equipment can cause downhole safety hidden danger again, according to " notice of coal mining air compressor safety control " (total No. [2011] 195, the coal dress of safety supervision) file regulation requirement, movable air compressor can not be placed in the tunnel of getting working face and same face, adopting pipeline to connect certainly will cause pipeline long, the pressure loss is excessive.
At present, at home and abroad for this field of mine gas supercharging device, be all adopt active supercharging device substantially, and be all small flow (< 1.0m3/min), current supercharging needs can not be met; And passive Pneumatic booster device is also in blank at home and abroad at present always, awaits development.
Summary of the invention
The purpose of this utility model is to provide a kind of new improved mine pneumatic equipment working efficiency, expands the passive Pneumatic booster device of pneumatic equipment in underground coal mine application area, the active supercharging device in alternative traditional down-hole.
The utility model adopts following technological scheme:
The passive Pneumatic booster device of a kind of underground coal mine, comprise pneumatic motor, compressor, gas holder and pneumatic control valve group, pneumatic motor is connected with underground pressure air system respectively by air line with compressor, the gas of underground pressure air system before entering pneumatic motor and compressor first after filtration system filter; Described pneumatic motor is connected successively with compressor, gas holder and underground pneumatic equipment, and described compressor is used for converting the low pressure and mass flow gas in air line in middle pressure flow gas or high-pressure low-flow gas; Described pneumatic control valve group is arranged between pneumatic motor and the outlet pipe of compressor; Described gas holder is used for storing pressurized gas, and is provided with pressure releasing means.
Described pneumatic motor is used for driving compressor operation, and its range of working pressure is 0.3-0.6MPa, and air consumption is 4.0-5.0m
3/ min; Pressure is 0.3-0.4MPa, flow>=5.0m by described compressor
3the gas of/min converts pressure>=0.5MPa, flow>=1.5m to
3the gas of/min.
The structure of described compressor adopts piston type or screw type, and its pressure ratio is 1-2 times.
Further, described gas holder is also provided with safety valve.
The passive Pneumatic booster device of underground coal mine of the present utility model utilizes underground pressure air system, adopt passive drive, convert pipeline mesolow, large discharge gas to pressure that underground pneumatic equipment needs, downhole electric equipment can be replaced completely, eliminate potential safety hazard, improve the working efficiency of colliery pneumatic equipment, expand pneumatic equipment in underground coal mine application area, reduce cost of production, ensure Safety of Coal Mine Production, there is good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the passive Pneumatic booster device of the utility model underground coal mine.
Embodiment
Below in conjunction with accompanying drawing, the utility model is specifically described.
As shown in Figure 1, the passive Pneumatic booster device of underground coal mine forms primarily of pneumatic motor, compressor, pneumatic control valve group, gas holder and pipeline fittings, pneumatic motor is connected with underground pressure air system respectively by air line with compressor, pneumatic motor, compressor, gas holder are connected successively with underground pneumatic equipment, pneumatic motor is used to the equipment driving compressor operation, its working pressure is 0.3-0.6 MPa, and air consumption is 4.0-5.0 m
3/ min, normally can work under 0.3 MPa pressure, its output power:>=7.0 kW.Enter pneumatic motor, the gas of compressor must filter, keep clean, clean.
Compressor is the core of Pneumatic booster device, it is the key equipment gas of low pressure and mass flow being converted to the pressure requirements met needed for underground pneumatic equipment, the structure of this compressor can adopt piston type or screw type etc., and suction port can bear 0.3-0.5Mpa, be not less than 5.0 m
3the gas of/min flow pressure, air horsepower>=5 kW, delivery temperature≤120 DEG C; Air displacement>=2.2 m3/min; Pressure ratio is 1-2 times.
Pneumatic control valve group is arranged between pneumatic motor and compressor; pneumatic control valve group is used for controlling pneumatic motor pressure and rotating speed on the one hand; be used on the other hand controlling the pressure of the compressor air-discharging mouth of pipe, guarantee that compressor is in optimum Working, there is the function such as overtemperature and overpressure protection simultaneously.
Gas holder is used to store certain pressurized gas, and it is equipped with pressure releasing means, keeps pneumatic equipment gas consumption to stablize, and ensures that pneumatic equipment stable working is reliable, and gas holder is provided with safety valve.
The utility model can utilize the energy of underground pressure air system to drive the pneumatic equipment of down-hole to carry out work by Pneumatic booster device, the principle of the utility model underground coal mine passive Pneumatic booster device: utilize the pressure energy of air line itself to convert former pipeline mesolow, large discharge gas in middle pressure flow or high-pressure low-flow gas, meet the job requirement of down-hole mining working surface pneumatic equipment, without the need to external connection power.System capacity, according to law of conservation of energy, is shown below: E
0=E
1+ E
2, in formula: E
0=P
0v
0, the pressure energy before pipeline supercharging; E
1=P
1v
1, Pneumatic booster device consumes pressure energy; E
2=P
2v
2, the pressure energy after pipeline supercharging.
Claims (4)
1. the passive Pneumatic booster device of underground coal mine, comprise pneumatic motor, compressor, gas holder and pneumatic control valve group, it is characterized in that, pneumatic motor is connected with underground pressure air system respectively by air line with compressor, the gas of underground pressure air system before entering pneumatic motor and compressor first after filtration system filter; Described pneumatic motor is connected successively with compressor, gas holder and underground pneumatic equipment, and described compressor is used for converting the low pressure and mass flow gas in air line in middle pressure flow gas or high-pressure low-flow gas; Described pneumatic control valve group is arranged between pneumatic motor and the outlet pipe of compressor; Described gas holder is used for storing pressurized gas, and is provided with pressure releasing means.
2. the passive Pneumatic booster device of a kind of underground coal mine according to claim 1, is characterized in that, described pneumatic motor is used for driving compressor operation, and its range of working pressure is 0.3-0.6MPa, and air consumption is 4.0-5.0m
3/ min; Pressure is 0.3-0.4MPa, flow>=5.0m by described compressor
3the gas of/min converts pressure>=0.5MPa, flow>=1.5m to
3the gas of/min.
3. the passive Pneumatic booster device of a kind of underground coal mine according to claim 2, is characterized in that, the structure of described compressor adopts piston type or screw type, and its pressure ratio is 1-2 times.
4., according to the passive Pneumatic booster device of a kind of underground coal mine one of claims 1 to 3 Suo Shu, it is characterized in that, described gas holder is also provided with safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454974.2U CN204024961U (en) | 2014-08-12 | 2014-08-12 | The passive Pneumatic booster device of a kind of underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454974.2U CN204024961U (en) | 2014-08-12 | 2014-08-12 | The passive Pneumatic booster device of a kind of underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204024961U true CN204024961U (en) | 2014-12-17 |
Family
ID=52064834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420454974.2U Expired - Fee Related CN204024961U (en) | 2014-08-12 | 2014-08-12 | The passive Pneumatic booster device of a kind of underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204024961U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179657A (en) * | 2014-08-12 | 2014-12-03 | 南京师范大学 | Passive pneumatic pressurizing device for underground coal mine |
-
2014
- 2014-08-12 CN CN201420454974.2U patent/CN204024961U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179657A (en) * | 2014-08-12 | 2014-12-03 | 南京师范大学 | Passive pneumatic pressurizing device for underground 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: 20141217 Termination date: 20170812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |