CN202228924U - Automatic gas distribution system for coal mine - Google Patents
Automatic gas distribution system for coal mine Download PDFInfo
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- CN202228924U CN202228924U CN2011203572907U CN201120357290U CN202228924U CN 202228924 U CN202228924 U CN 202228924U CN 2011203572907 U CN2011203572907 U CN 2011203572907U CN 201120357290 U CN201120357290 U CN 201120357290U CN 202228924 U CN202228924 U CN 202228924U
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Abstract
The utility model discloses an automatic gas distribution system for a coal mine and relates to the technical field of gas distribution. An operating platform makes a gas distribution scheme scientifically and automatically, a special communication cable is connected with an automatic gas distribution system host of a computer, and finally, the volume flow of diluted gas and the volume flow of component gas are controlled by monitoring a high-precision mass flow controller (MFC) in real time, so that automation of dynamic gas distribution is realized. The automatic gas distribution system for the coal mine has the advantages of high gas distribution precision, high gas distribution safety, low gas distribution cost, high gas distribution efficiency, high automation degree, high stability, high performance, powerful function and the like, and can prepare high-quality and high-precision standard mixed gas by methane, carbon monoxide and the like in the air; therefore, aims of gas distribution automation, scheme optimization, operation simplification, efficiency maximization, error minimization and management standardization are fulfilled.
Description
Technical field
The utility model relates to the distribution technical field, particularly a kind of colliery automatic distributing system.
Background technique
The distribution operation comprises flow, concentration, distribution, infiltration, program, cleaning or the like, in actual industrial production, has manual work to require to carry out the distribution operation according to relevant parameters usually; Whole distribution process is complicated; Inefficiency the more important thing is, usually brings than mistake owing to manual operation.
For coal mining enterprise, need make normal mixture bodies such as the required calibration standard methane of HQ high quality, high-precision coal mining enterprise, carbon monoxide, so that commercial Application is provided.And in the coal mining enterprise, conventional manual air distributing method distribution work is dangerous, needs comparatively complex manual calculating; Competency profiling to the distribution personnel is higher, control loaded down with trivial details and personal error bigger, the distribution cost is high; The calibrating gas precision that makes is relatively poor; Efficient is lower, distribution management can't standard etc. many shortcomings, can't satisfy coal mining enterprise to normal mixture bodies such as required calibration standard methane, carbon monoxide in the commercial production in precision, the isoparametric requirement of Linearity error.
At present, press for a kind of distribution solution that is more suitable for coal mining enterprise's commercial Application, prevent because big, the problems such as efficient is low, distribution complicacy of error that manual operation brings.
The model utility content
A kind of colliery automatic distributing system that the utility model provides, to prevent because big, the problems such as efficient is low, distribution complicacy of error that manual operation brings.
The utility model provides a kind of colliery automatic distributing system, comprises virgin gas bottle system, fills gas cylinder, controls platform, automatic distributing main frame, distribution platform, diluent gas subtense angle and propellant subtense angle;
The automatic distributing main frame links to each other with the diluent gas subtense angle with virgin gas bottle system respectively through gas circuit, and the gas of gas that under the control of controlling platform, each raw material gas cylinder is discharged and the dilution of diluent gas subtense angle mixes;
The distribution platform through gas circuit respectively with fill gas cylinder and be connected with the propellant subtense angle, the distribution platform under the driving of propellant subtense angle, with the mixed gas filling of automatic distributing main frame in filling gas cylinder;
Control platform and link to each other with the automatic distributing main frame, control platform monitoring and regulate the interior diluent gas of automatic distributing main frame and the volume flowrate of component gases, realize automatic distributing through special-purpose communication cable.
The said platform of controlling comprises: control computer, computer automatic distributing systems soft ware and special control card.
Said virgin gas bottle system comprises: fill the raw material gas cylinder of each unstrpped gas respectively, and the reduction valve that is connected with each raw material gas cylinder.
Said diluent gas subtense angle comprises: interconnective oil-free air compressor and gas secondary filter subtense angle.
Said automatic distributing main frame comprises: respectively with virgin gas bottle system in gas secondary filter subtense angle is connected in each reduction valve or the diluent gas subtense angle electromagnet cut off valve, the mass flow controller MFC that is connected with each electromagnet cut off valve respectively, and the gas mixer chamber that is connected with each MFC.
Said distribution platform comprises: back pressure valve, the mixed gas tank that is connected with the automatic distributing main frame through back pressure valve, the gas boosting pump that is connected with mixed gas tank with the propellant subtense angle respectively.
The said gas cylinder that fills is connected with said gas boosting pump.
Said propellant subtense angle comprises: squelch type air compressor and gas secondary filter subtense angle, the squelch type air compressor is connected with the distribution platform through gas secondary filter subtense angle.
The high-pressure gas pipeline place of said system is equipped with high-pressure safety valve, automatic pressure-relieving when pressure surpasses preset value.
The residual gas of said system through special gas piping to outdoor emptying.
A kind of gas distribution system that the utility model provides; Control platform the distribution scheme is carried out scientific, automation customization; And link to each other with computer automatic distributing system host with special-purpose communication cable; Finally control the volume flowrate of diluent gas and component gases, thereby realize the dynamic air-distributing automation through the high-precision mass flow controller MFC of real-time monitoring.Possess that the distribution precision is high, distribution is safe, the distribution cost is low, distribution efficient is high, automaticity is high, good stability, superior performance, advantage such as powerful, can make in HQ high quality, the high-precision air in methane, the air normal mixture bodies such as carbon monoxide.And then reach dynamic air-distributing work distribution automation, scheme optimization, control the target of simplification, maximizing efficiency, error minimize, management standardization.It is dangerous that native system has solved conventional manual air distributing method distribution work, needs comparatively complex manual calculating, higher to distribution personnel's competency profiling; Control loaded down with trivial details and personal error bigger; The distribution cost is high, and the calibrating gas precision that makes is relatively poor, and efficient is lower; Distribution management can't standard etc. many shortcomings, improved the quality of distribution working level and calibrating gas greatly.
Further, propellant be compressed gas and separate fully, guaranteed to be compressed the degree of purity of gas.
In addition, native system need only have the common pressurized air of 0.5-0.8Mpa can drive the work of suction booster normal reliable ground, and it is energy-conservation more than 60% to compare motor driving, safer, safeguards that still less the life-span is longer.
In addition, high-pressure gas pipeline is equipped with high-pressure safety valve, can realize automatic pressure-relieving when pressure is excessive, has further improved Security.
In addition, because of service property (quality) flow dontroller control flow rate, under the situation of gas pressure, temperature variation, flow is still stable, guaranteed join the precision of normal mixture body.
In addition, adopt air to do diluent gas, the distribution cost is low; And dilution air is produced by air compressor and through multistage secondary filter, has guaranteed the cleanliness of institute's distribution body.
Once more, all residual gases all through special gas piping to outdoor emptying, avoided the air of distribution work cell to be polluted.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
A kind of colliery automatic distributing system construction drawing that Fig. 1 provides for the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technological scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
For the purpose, technological scheme and the advantage that make the utility model is clearer, will combine accompanying drawing that the utility model mode of execution is done to describe in detail further below.
Referring to Fig. 1, the utility model embodiment provides a kind of colliery automatic distributing system, comprises virgin gas bottle system 11, fills gas cylinder 12, controls platform 13, automatic distributing main frame 14, distribution platform 15, diluent gas subtense angle 16 and propellant subtense angle 17.
The automatic distributing main frame links to each other with the diluent gas subtense angle with virgin gas bottle system respectively through gas circuit, and the gas of gas that under the control of controlling platform, each raw material gas cylinder is discharged and the dilution of diluent gas subtense angle mixes;
The distribution platform through gas circuit respectively with fill gas cylinder and be connected with the propellant subtense angle, the distribution platform under the driving of propellant subtense angle, with the mixed gas filling of automatic distributing main frame in filling gas cylinder;
Control platform and link to each other with the automatic distributing main frame, control platform monitoring and regulate the interior diluent gas of automatic distributing main frame and the volume flowrate of component gases, realize automatic distributing through special-purpose communication cable.
Wherein, controlling platform 13 specifically comprises: control computer, computer automatic distributing systems soft ware and special control card etc.
Virgin gas bottle system 11 specifically comprises: fill the raw material gas cylinder 111 of each unstrpped gas respectively, and the reduction valve 112 that is connected with each raw material gas cylinder etc.Wherein, the virgin gas of dress can be CO virgin gas and/or CH4 virgin gas etc. in the raw material gas cylinder 111.
Diluent gas subtense angle 16 specifically comprises: interconnective oil-free air compressor 161 and gas secondary filter subtense angle 162.
Automatic distributing main frame 14 specifically comprises: respectively with virgin gas bottle system in gas secondary filter subtense angle is connected in each reduction valve or the diluent gas subtense angle electromagnet cut off valve 141, the mass flow controller MFC 142 that is connected with each electromagnet cut off valve respectively, and the gas mixer chamber 143 that is connected with each MFC etc.
Distribution platform 15 specifically comprises: back pressure valve 151, the mixed gas tank 152 that is connected with the automatic distributing main frame through back pressure valve, gas boosting pump 153 of being connected with mixed gas tank with the propellant subtense angle respectively etc.The normal mixture body is filling in the gas cylinder being filled by the gas boosting pump under the driving of propellant, obtains the normal mixture body such as methane, carbon monoxide of standard.
Concrete, fill gas cylinder and be connected with the gas boosting pump.
Propellant subtense angle 17 specifically comprises: squelch type air compressor 171 and gas secondary filter subtense angle 172, the squelch type air compressor is connected with the distribution platform through gas secondary filter subtense angle.
The area that specifically utilizes big small piston is than supercharging principle, and the propellant subtense angle inserts the gas boosting pump with drive air, and the low-voltage standards mixed gas in the compression chamber is compressed in the high pressure calibrating gas steel cylinder.
Among the utility model embodiment; System host partly contains mainframe box, master control borad, highi degree of accuracy mass flow controller and gas circuit etc.; Controlling terrace part contains and controls computer, computer automatic distributing systems soft ware and special control card etc.; The automatic distributing platform partly contains gas suction booster, vacuum pump, distribution platform etc., and the propellant subtense angle contains squelch type air compressor etc., and the diluent gas subtense angle contains oil-free air compressor etc.; The secondary filter subtense angle contains freezing type drier, multistage accurate filter etc., and unstrpped gas partly contains steel cylinder dress calibrating gas such as high-purity methane, carbon monoxide etc.
Wherein, dilution virgin gas: air (forming through secondary filter) by natural air.Component raw material gas: 99.9% above high-purity methane gas; 99.9% above high purity carbon monoxide gas.The preparation gaseous species: coal mining enterprise calibrates with methane normal mixture body in the air; Coal mining enterprise's calibration is with carbon monoxide normal mixture body in the air.
Further, the high-pressure gas pipeline place of native system is equipped with high-pressure safety valve, automatic pressure-relieving when pressure excessive (above preset value), and general pressure is set at 18Mpa and gets final product.
In addition, the residual gas of system through special gas piping to outdoor emptying.Promptly all residual gases all through special gas piping to outdoor emptying, avoided the air of distribution work cell to be polluted.
A kind of gas distribution system that the utility model provides; Control platform the distribution scheme is carried out scientific, automation customization; And link to each other with computer automatic distributing system host with special-purpose communication cable; Finally control the volume flowrate of diluent gas and component gases, thereby realize the dynamic air-distributing automation, obtain normal mixture bodies such as standard methane, carbon monoxide through the high-precision mass flow controller MFC of real-time monitoring.Possess that the distribution precision is high, distribution is safe, the distribution cost is low, distribution efficient is high, automaticity is high, good stability, superior performance, advantage such as powerful, can make HQ high quality, the various normal mixture bodies of highi degree of accuracy.And then reach dynamic air-distributing work distribution automation, scheme optimization, control the target of simplification, maximizing efficiency, error minimize, management standardization.It is dangerous that native system has solved conventional manual air distributing method distribution work, needs comparatively complex manual calculating, higher to distribution personnel's competency profiling; Control loaded down with trivial details and personal error bigger; The distribution cost is high, and the calibrating gas precision that makes is relatively poor, and efficient is lower; Distribution management can't standard etc. many shortcomings, improved the quality of distribution working level and calibrating gas greatly.
Further, propellant be compressed gas and separate fully, guaranteed to be compressed the degree of purity of gas.
In addition, native system need only have the common pressurized air of 0.5-0.8Mpa can drive the work of suction booster normal reliable ground, and it is energy-conservation more than 60% to compare motor driving, safer, safeguards that still less the life-span is longer.
In addition, high-pressure gas pipeline is equipped with high-pressure safety valve, can realize automatic pressure-relieving when pressure is excessive, has further improved Security.
In addition, because of service property (quality) flow dontroller control flow rate, under the situation of gas pressure, temperature variation, flow is still stable, guaranteed join the precision of normal mixture body.
In addition, adopt air to do diluent gas, the distribution cost is low; And dilution air is produced by air compressor and through multistage secondary filter, has guaranteed the cleanliness of institute's distribution body.
Once more, all residual gases all through special gas piping to outdoor emptying, avoided the air of distribution work cell to be polluted.
The key technical indexes of native system:
1. distribution mode: computer automatic distributing.
2. dilution virgin gas: air (forming through secondary filter) by natural air.
3. component raw material gas: 99.9% above high-purity methane gas.
99.9% above high purity carbon monoxide gas;
4. preparation gaseous species: coal mining enterprise calibrates with methane normal mixture body in the air;
Coal mining enterprise's calibration is with carbon monoxide normal mixture body in the air;
5. distribution precision: ± 1%.
6. fill aluminum alloy bottle or steel cylinders such as gas cylinder: 1L, 2L, 4L, 8L, 40L.
7. fill pressure maximum: 15MPa (can increase as required).
8. maximum vacuum: 740mmHg.
9. operating pressure differential: (0.1～0.3) MPa.
10. preheat time:＜15min.
11. Environmental Conditions temperature: 5～45 ℃.
12. distribution platform size dimension: 850mm (wide) * 600mm (thick) * 1600mm (height).
13. power supply: 220VAC/380VAC/50Hz.
The gas boosting partial parameters of native system is following:
1. power source: pressurized air.
2. suction booster pressure ratio: 25: 1.
3. the type of cooling: automatic cycle is cooled off by force.
4. pressure-increasing machine is selected two-step supercharging for use, and compressed gas is delivered to the rear end after compressing through front end, can improve compression efficiency like this, increases the gas discharge capacity of high-pressure outlet.
5. Applicable media: mixed gas, rock gas, hydrogen, nitrogen, oxygen, air, helium etc.
6. pressure-increasing machine is inflated in high-pressure gas cylinder, and when reaching pressure, pump quits work automatically.
The characteristics of native system:
1. distribution precision height (can reach ± 1%), and Linearity error is little, meets the 166 regulation in " safety regulations in coal mine ".
2. adopt air to do diluent gas, the distribution cost is low.
3. distribution is easy and simple to handle, and distribution efficient is high.
4. the distribution good reproducibility does not receive interference from human factor.
5. institute's distribution body good uniformity can use immediately.
6. because of service property (quality) flow dontroller control flow rate, under the situation of gas pressure, temperature variation, flow is still stable, guaranteed join the precision of normal mixture body.
7. all distribution schemes can be revised, delete, preserved, and greatly facilitate repeated distribution work.
8. distribution concentration range is wide, through selected suitable configurations, can prepare various concentration standard gases such as PPB level, PPM level, percentage level.
9. virgin gas gaseous species applicatory is complete, and applicable to various pure gas and various multicomponent mixed gas, the user can select as required voluntarily.
10. native system The software adopted Chinese Windows is as working platform, and operation interface is friendly, and possesses the customization to the distribution scheme, the real-time monitoring and control in the execution work, makes distribution operate more standard, more accurate.
11. management function is powerful, gradable operation, and operating process had the daily record record, thereby standard distribution work, strengthened the Security of distribution work.
12. the distribution mode is diversified, contains various modes such as infiltration, flow, concentration, distribution, program, cleaning, can satisfy the needs such as calibration, detection and performance evaluation of the gentle body examination test instrument of preparation of generally held standard gas.
13. possess network function, can distribution parameter and state be sent to Surveillance center, thus can be in the working state of Surveillance center's ability synchronization monitoring to gas distributing chamber.
14. propellant be compressed gas and separate fully, guaranteed to be compressed the degree of purity of gas.
15. gas boosting pump noise is little, when reaching the pressure of system, during air pump inoperative, noise free does not have energy loss.
16. the cold air that silencing apparatus is discharged is enclosed in around the compression chamber, and the pump housing is cooled off, and improves the working life of pump housing sealing.
17. need only have the common pressurized air of 0.5-0.8Mpa can drive the work of suction booster normal reliable ground, it is energy-conservation more than 60% to compare motor driving, safer, safeguards that still less the life-span is longer.
18. high-pressure gas pipeline is equipped with high-pressure safety valve, like pressure excessive (be set at 18Mpa), but automatic pressure-relieving.
19. dilution air is produced by air compressor and through multistage secondary filter, has guaranteed the cleanliness of institute's distribution body.
20. all residual gases all through special gas piping to outdoor emptying, avoided the air of distribution work cell to be polluted.
Need to prove; In this article; Term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability; Thereby make to comprise that the device of a series of key elements or equipment not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this device or equipment intrinsic key element.Under the situation that do not having much more more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within the device that comprises said key element or the equipment and also have other identical element.
The preferred embodiment that the above is merely the utility model is not the protection domain that is used to limit the utility model.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all be included in the protection domain of the utility model.
Claims (10)
1. a colliery automatic distributing system is characterized in that, comprises virgin gas bottle system, fills gas cylinder, controls platform, automatic distributing main frame, distribution platform, diluent gas subtense angle and propellant subtense angle;
The automatic distributing main frame links to each other with the diluent gas subtense angle with virgin gas bottle system respectively through gas circuit, and the gas of gas that under the control of controlling platform, each raw material gas cylinder is discharged and the dilution of diluent gas subtense angle mixes;
The distribution platform through gas circuit respectively with fill gas cylinder and be connected with the propellant subtense angle, the distribution platform under the driving of propellant subtense angle, with the mixed gas filling of automatic distributing main frame in filling gas cylinder;
Control platform and link to each other with the automatic distributing main frame, control platform monitoring and regulate the interior diluent gas of automatic distributing main frame and the volume flowrate of component gases, realize automatic distributing through special-purpose communication cable.
2. system according to claim 1 is characterized in that, the said platform of controlling comprises: control computer, computer automatic distributing systems soft ware and special control card.
3. system according to claim 1 is characterized in that, said virgin gas bottle system comprises: fill the raw material gas cylinder of each unstrpped gas respectively, and the reduction valve that is connected with each raw material gas cylinder.
4. system according to claim 3 is characterized in that, said diluent gas subtense angle comprises: interconnective oil-free air compressor and gas secondary filter subtense angle.
5. system according to claim 4; It is characterized in that said automatic distributing main frame comprises: respectively with virgin gas bottle system in gas secondary filter subtense angle is connected in each reduction valve or the diluent gas subtense angle electromagnet cut off valve, the mass flow controller MFC that is connected with each electromagnet cut off valve respectively, and the gas mixer chamber that is connected with each MFC.
6. system according to claim 1 is characterized in that, said distribution platform comprises: back pressure valve, the mixed gas tank that is connected with the automatic distributing main frame through back pressure valve, the gas boosting pump that is connected with mixed gas tank with the propellant subtense angle respectively.
7. system according to claim 6 is characterized in that, the said gas cylinder that fills is connected with said gas boosting pump.
8. system according to claim 1 is characterized in that, said propellant subtense angle comprises: squelch type air compressor and gas secondary filter subtense angle, the squelch type air compressor is connected with the distribution platform through gas secondary filter subtense angle.
9. system according to claim 1 is characterized in that, the high-pressure gas pipeline place of said system is equipped with high-pressure safety valve, automatic pressure-relieving when pressure surpasses preset value.
10. system according to claim 1 is characterized in that, the residual gas of said system through special gas piping to outdoor emptying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203572907U CN202228924U (en) | 2011-09-22 | 2011-09-22 | Automatic gas distribution system for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203572907U CN202228924U (en) | 2011-09-22 | 2011-09-22 | Automatic gas distribution system for coal mine |
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| Publication Number | Publication Date |
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| CN202228924U true CN202228924U (en) | 2012-05-23 |
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| CN2011203572907U Expired - Lifetime CN202228924U (en) | 2011-09-22 | 2011-09-22 | Automatic gas distribution system for coal mine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698645A (en) * | 2012-05-30 | 2012-10-03 | 山西科致成科技有限公司 | System for automatically proportioning standard gases |
| CN102777766A (en) * | 2012-06-18 | 2012-11-14 | 无锡宇吉科技有限公司 | Natural gas pipeline gas-transmission system |
| CN105223319A (en) * | 2015-10-22 | 2016-01-06 | 济宁市计量测试所 | Detection system and method thereof are demarcated by a kind of Mobile Online based on calibrating and measuring car |
| CN105301191A (en) * | 2015-10-22 | 2016-02-03 | 济宁市计量测试所 | Correction and calibration vehicle and method |
| CN106092676A (en) * | 2016-05-31 | 2016-11-09 | 国网河北省电力公司电力科学研究院 | A kind of SF6analyte multicomponent dynamic air-distributing method |
| CN108415363A (en) * | 2018-05-29 | 2018-08-17 | 杭州杭氧股份有限公司 | A kind of packaged type high-precision mixing air distributing device |
-
2011
- 2011-09-22 CN CN2011203572907U patent/CN202228924U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102698645A (en) * | 2012-05-30 | 2012-10-03 | 山西科致成科技有限公司 | System for automatically proportioning standard gases |
| CN102698645B (en) * | 2012-05-30 | 2016-02-10 | 山西科致成科技有限公司 | Calibrating gas automatic mixing system |
| CN102777766A (en) * | 2012-06-18 | 2012-11-14 | 无锡宇吉科技有限公司 | Natural gas pipeline gas-transmission system |
| CN105223319A (en) * | 2015-10-22 | 2016-01-06 | 济宁市计量测试所 | Detection system and method thereof are demarcated by a kind of Mobile Online based on calibrating and measuring car |
| CN105301191A (en) * | 2015-10-22 | 2016-02-03 | 济宁市计量测试所 | Correction and calibration vehicle and method |
| CN105301191B (en) * | 2015-10-22 | 2017-07-14 | 济宁市计量测试所 | One kind calibration calibration vehicle and its calibration scaling method |
| CN105223319B (en) * | 2015-10-22 | 2017-09-08 | 济宁市计量测试所 | A kind of Mobile Online's demarcation detecting system and its method based on calibrating and measuring car |
| CN106092676A (en) * | 2016-05-31 | 2016-11-09 | 国网河北省电力公司电力科学研究院 | A kind of SF6analyte multicomponent dynamic air-distributing method |
| CN108415363A (en) * | 2018-05-29 | 2018-08-17 | 杭州杭氧股份有限公司 | A kind of packaged type high-precision mixing air distributing device |
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Granted publication date: 20120523 |
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