CN201581918U - Coal mine composite gas mixing device - Google Patents
Coal mine composite gas mixing device Download PDFInfo
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- CN201581918U CN201581918U CN2009202687855U CN200920268785U CN201581918U CN 201581918 U CN201581918 U CN 201581918U CN 2009202687855 U CN2009202687855 U CN 2009202687855U CN 200920268785 U CN200920268785 U CN 200920268785U CN 201581918 U CN201581918 U CN 201581918U
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- gaseous mixture
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- parameter acquisition
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Abstract
The utility model discloses a coal mine composite gas mixing device, which comprises an ejector, an air distribution system, a gas distribution system, a mixed gas transport system and a main control unit. The air distribution system includes an air parameter acquisition system and an air parameter adjustment system which are arranged on an air pipeline; the gas distribution system includes a gas parameter acquisition system and a gas parameter adjustment system which are arranged on a gas pipeline; the mixed gas transport system includes a mixed gas parameter acquisition system; and the main control unit is used for receiving data signals of the air parameter acquisition system, the gas parameter acquisition system and the mixed gas parameter acquisition system and transmitting command signals to the air parameter adjustment system and the gas parameter adjustment system. The coal mine composite gas mixing device is capable of performing continuous large-quantity or variable-quantity distribution gas transportation in real-time manner according to downstream demands, avoiding fluctuation of gas flow rate and pressure, supplying gas sources of stable and high-precision distribution for downstream devices, and ensuring normal running of the devices, economical property and safe production.
Description
Technical field
The utility model relates to a kind of coal mine gas treating apparatus, particularly a kind of compound gas mixing device for coal mine.
Background technology
The gas distribution is the means of gas comprehensive utilization in the colliery.Air distributing device generally partly is made up of unstripped gas supply, metering and mixing etc., is used for gas and air are mixed the back utilization by a certain percentage.Coal mine gas injection air distribution system then is not need can to absorb low-pressure gas by mechanical force by injection principle to realize that distribution obtains general application.
Because gas belongs to flammability hazard gas, and with the Air mixing ratio be the key condition of energy conservation.In its prior art, coal mine gas injection air distribution system can not be according to the needs that utilize system's usefulness gas concentration and gas consumption, carry out continuously the distribution of a large amount of or variable in real time, immediately join its low precision, the fluctuation of pressure and flow be unfavorable for system normal operation, be unfavorable for the economy of system and be unfavorable for the safety in production, normal operation for downstream unit has a negative impact, and causes the waste of the energy and distribution power simultaneously.
Therefore, need a kind of coal mine gas air distributing device, can be according to the needs in downstream, carry out continuously a large amount of in real time or variable distribution conveying, avoid the fluctuation of gas flow and pressure, for downstream unit provides source of the gas stable and the high accuracy distribution, normal operation, economy and the safety in production of assurance device.
The utility model content
In view of this, in order to address the above problem, the utility model provides a kind of compound gas mixing device for coal mine, can be according to the needs in downstream, carry out continuously a large amount of in real time or variable distribution conveying, avoid the fluctuation of gas flow and pressure, for downstream unit provides gas source of the gas stable and the high accuracy distribution, normal operation, economy and the safety in production of assurance device.
Compound gas mixing device for coal mine of the present utility model comprises injector, air air distribution system, gas air distribution system, gaseous mixture induction system and main control unit;
Described injector comprises nozzle and the receiving chamber that sets gradually along the jet-stream wind direction, mixing chamber and diffusion chamber, and described nozzle passes receiving chamber over against mixing chamber;
Described air air distribution system comprises air pipe line, is arranged on air parameter acquisition system and air parameter regulating system on the air pipe line, the air parameter acquisition system comprises air flow sensor of gathering air mass flow and the air pressure probe of gathering air pressure, and the air parameter regulating system comprises the AIR Proportional control valve;
Described gas air distribution system comprises gas pipeline, is arranged on gas parameter acquisition system and gas parameter adjustment system on the gas pipeline, gas parameter acquisition system comprises the gas flow sensor of gathering gas flow, gathers the gas pressure sensor of gas pressure and is used to gather the gas concentration sensor of gas density, and the gas parameter adjustment system comprises the gas ratio adjusting valve;
The gaseous mixture induction system comprises the gaseous mixture pipeline and is arranged on gaseous mixture parameter acquisition system on the gaseous mixture pipeline, and described gaseous mixture parameter acquisition system comprises the mixture pressure sensor of the mixed airflow quantity sensor of gathering mixed gas flow, collection mixture pressure and is used to gather the gaseous mixture gas concentration sensor of gaseous mixture gas density;
Described air pipe line is communicated with nozzle, and gas pipeline is communicated with receiving chamber, and the gaseous mixture pipeline is communicated with the diffusion chamber;
Described main control unit is used for admission of air parameter acquisition system, gas parameter acquisition system and gaseous mixture parameter acquisition system data signal and sends command signal to air parameter regulating system and gas parameter adjustment system.
Further, on the described gaseous mixture pipeline gaseous mixture surge tank is set also, described mixture pressure sensor is arranged in the gaseous mixture surge tank;
Further, the pipeline section that is positioned at nearly injector on the described gas pipeline is provided with one way valve;
Further, described air pipe line, gas pipeline and gaseous mixture pipeline are respectively arranged with quick action emergency valve;
Further, described gaseous mixture surge tank is provided with a jar preceding stop valve, jar back stop valve, safety valve and atmospheric valve respectively, and the quick action emergency valve of described gaseous mixture pipeline is arranged on pipeline behind the gaseous mixture surge tank jar;
Further, the forward pipeline section of described air pipe line is provided with air air distribution system stop valve, and the forward pipeline section of described gas pipeline is provided with gas air distribution system stop valve.
The beneficial effects of the utility model: compound gas mixing device for coal mine of the present utility model, adopt the data acquisition and the parameter adjustment system that match with induction apparatus, main control unit is by the acquisition system parameter and send regulation and control instruction, main control unit is according to the parameter of mixing back gas with according to producing needs, give an order to air air distribution system and gas air distribution system, change the flow and the pressure of air or gas, thereby can be according to the needs in downstream, carry out continuously a large amount of in real time or variable distribution conveying, avoid the fluctuation of gas flow and pressure, for downstream unit provides source of the gas stable and the high accuracy distribution, the normal operation of assurance device, economy and safety in production.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model injector structural representation.
The specific embodiment
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is the utility model injector structural representation, as shown in the figure: comprise injector 1, air air distribution system 2, gas air distribution system 3, gaseous mixture induction system 4 and main control unit 5; The system pressure of air air distribution system 2 is higher than gas air distribution system 3;
Described injector 1 comprises nozzle 11 and along receiving chamber 12, mixing chamber 13 and diffusion chamber 14 that the jet-stream wind direction sets gradually, described nozzle 11 passes receiving chamber over against mixing chamber 12;
Described air air distribution system 2 comprises air pipe line 26, is arranged on air parameter acquisition system and air parameter regulating system on the air pipe line 26, the air parameter acquisition system comprises air flow sensor 24 of gathering air mass flow and the air pressure probe 21 of gathering air pressure, and the air parameter regulating system comprises AIR Proportional control valve 23; In the present embodiment, described air pressure probe 21 is two, divides to be located at air pipe line 26 front and back pipeline sections, guarantees the accuracy of testing result;
Described gas air distribution system comprises gas pipeline 38, is arranged on gas parameter acquisition system and gas parameter adjustment system on the gas pipeline 38, gas parameter acquisition system comprises the gas flow sensor 34 of gathering gas flow, gathers the gas pressure sensor 31 of gas pressure and is used to gather the gas concentration sensor 36 of gas density, and the gas parameter adjustment system comprises gas ratio adjusting valve 33; In the present embodiment, described gas pressure sensor 31 is two, divides to be located at air pipe line 37 front and back pipeline sections, guarantees the accuracy of testing result;
The gaseous mixture induction system comprises gaseous mixture pipeline 49 and is arranged on gaseous mixture parameter acquisition system on the gaseous mixture pipeline 49, and described gaseous mixture parameter acquisition system comprises the mixture pressure sensor 41 of the mixed airflow quantity sensor 44 of gathering mixed gas flow, collection mixture pressure and is used to gather the gaseous mixture gas concentration sensor 46 of gaseous mixture gas density;
Described air pipe line 26 is communicated with nozzle 11, and gas pipeline 38 is communicated with receiving chamber, and the gaseous mixture pipeline is communicated with the diffusion chamber;
Described main control unit 5 is used for admission of air parameter acquisition system (air flow sensor 24 and air pressure probe 21), gas parameter acquisition system (gas flow sensor 34, gas pressure sensor 31 and gas concentration sensor 36) and gaseous mixture parameter acquisition system (mixed airflow quantity sensor 44, mixture pressure sensor 41 and gaseous mixture gas concentration sensor 46) data-signal and send command signal to air parameter regulating system (AIR Proportional control valve 23) and gas parameter adjustment system (gas ratio adjusting valve 33); The dotted line indication is a control circuit among the figure.
In the present embodiment, on the described gaseous mixture pipeline 49 gaseous mixture surge tank 47 is set also, described mixture pressure sensor 41 is arranged in the gaseous mixture surge tank 47; When gaseous mixture surge tank 47 can cushion the mixed pressure fluctuation, mist is further mixed, effectively eliminate the systematic pipeline vibration.
In the present embodiment, the pipeline section that is positioned at nearly injector on the described gas pipeline 38 is provided with one way valve 37; Prevent that air from pouring in down a chimney the explosion danger that causes.
In the present embodiment, described air pipe line 26, gas pipeline 38 and gaseous mixture pipeline 49 are respectively arranged with quick action emergency valve (being respectively air quick action emergency valve 22, gas quick action emergency valve 32 and gaseous mixture quick action emergency valve 4a among the figure), with the back emergency cut-off that broken down by system; Gaseous mixture surge tank 47 is provided with a jar preceding stop valve 45, jar back stop valve 42, safety valve 43 and atmospheric valve 48 respectively, the quick action emergency valve 4a of described gaseous mixture pipeline 49 is arranged on pipeline behind 47 jars of the gaseous mixture surge tanks, is beneficial to will mix the gas system after being in an emergency and be isolated from outside the big system; Described air pipe line 26 forward pipeline sections are provided with air air distribution system stop valve 25, and described gas pipeline 38 forward pipeline sections are provided with gas air distribution system stop valve 35.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (6)
1. a compound gas mixing device for coal mine is characterized in that: comprise injector, air air distribution system, gas air distribution system, gaseous mixture induction system and main control unit;
Described injector comprises nozzle and the receiving chamber that sets gradually along the jet-stream wind direction, mixing chamber and diffusion chamber, and described nozzle passes receiving chamber over against mixing chamber;
Described air air distribution system comprises air pipe line, is arranged on air parameter acquisition system and air parameter regulating system on the air pipe line, the air parameter acquisition system comprises air flow sensor of gathering air mass flow and the air pressure probe of gathering air pressure, and the air parameter regulating system comprises the AIR Proportional control valve;
Described gas air distribution system comprises gas pipeline, is arranged on gas parameter acquisition system and gas parameter adjustment system on the gas pipeline, gas parameter acquisition system comprises the gas flow sensor of gathering gas flow, gathers the gas pressure sensor of gas pressure and is used to gather the gas concentration sensor of gas density, and the gas parameter adjustment system comprises the gas ratio adjusting valve;
The gaseous mixture induction system comprises the gaseous mixture pipeline and is arranged on gaseous mixture parameter acquisition system on the gaseous mixture pipeline, and described gaseous mixture parameter acquisition system comprises the mixture pressure sensor of the mixed airflow quantity sensor of gathering mixed gas flow, collection mixture pressure and is used to gather the gaseous mixture gas concentration sensor of gaseous mixture gas density;
Described air pipe line is communicated with nozzle, and gas pipeline is communicated with receiving chamber, and the gaseous mixture pipeline is communicated with the diffusion chamber;
Described main control unit is used for admission of air parameter acquisition system, gas parameter acquisition system and gaseous mixture parameter acquisition system data signal and sends command signal to air parameter regulating system and gas parameter adjustment system.
2. compound gas mixing device for coal mine according to claim 1 is characterized in that: on the described gaseous mixture pipeline gaseous mixture surge tank is set also, described mixture pressure sensor is arranged in the gaseous mixture surge tank.
3. compound gas mixing device for coal mine according to claim 2 is characterized in that: the pipeline section that is positioned at nearly injector on the described gas pipeline is provided with one way valve.
4. compound gas mixing device for coal mine according to claim 3 is characterized in that: described air pipe line, gas pipeline and gaseous mixture pipeline are respectively arranged with quick action emergency valve.
5. compound gas mixing device for coal mine according to claim 4, it is characterized in that: described gaseous mixture surge tank is provided with a jar preceding stop valve, jar back stop valve, safety valve and atmospheric valve respectively, and the quick action emergency valve of described gaseous mixture pipeline is arranged on pipeline behind the gaseous mixture surge tank jar.
6. compound gas mixing device for coal mine according to claim 5 is characterized in that: the forward pipeline section of described air pipe line is provided with air air distribution system stop valve, and the forward pipeline section of described gas pipeline is provided with gas air distribution system stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202687855U CN201581918U (en) | 2009-12-31 | 2009-12-31 | Coal mine composite gas mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202687855U CN201581918U (en) | 2009-12-31 | 2009-12-31 | Coal mine composite gas mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201581918U true CN201581918U (en) | 2010-09-15 |
Family
ID=42723915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202687855U Expired - Lifetime CN201581918U (en) | 2009-12-31 | 2009-12-31 | Coal mine composite gas mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201581918U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708437B (en) * | 2009-12-31 | 2012-07-25 | 中煤科工集团重庆研究院 | Compound gas mixing device for coal mine |
| CN102743991A (en) * | 2011-04-22 | 2012-10-24 | 盐城中油船舶海洋工程科技有限公司 | Combustible gas induction nozzle |
| CN111137685A (en) * | 2020-01-03 | 2020-05-12 | 山东理工大学 | Coal mine gas extraction and mixing air conveying device and method for thermal oxidation |
-
2009
- 2009-12-31 CN CN2009202687855U patent/CN201581918U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708437B (en) * | 2009-12-31 | 2012-07-25 | 中煤科工集团重庆研究院 | Compound gas mixing device for coal mine |
| CN102743991A (en) * | 2011-04-22 | 2012-10-24 | 盐城中油船舶海洋工程科技有限公司 | Combustible gas induction nozzle |
| CN111137685A (en) * | 2020-01-03 | 2020-05-12 | 山东理工大学 | Coal mine gas extraction and mixing air conveying device and method for thermal oxidation |
| CN111137685B (en) * | 2020-01-03 | 2021-07-02 | 山东理工大学 | Coal mine gas extraction and mixing air conveying device and method for thermal oxidation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100915 Effective date of abandoning: 20091231 |
|
| RGAV | Abandon patent right to avoid regrant |