CN205101140U - Explosion -proof air feeder of low concentration coal bed gas engine - Google Patents
Explosion -proof air feeder of low concentration coal bed gas engine Download PDFInfo
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- CN205101140U CN205101140U CN201520933432.8U CN201520933432U CN205101140U CN 205101140 U CN205101140 U CN 205101140U CN 201520933432 U CN201520933432 U CN 201520933432U CN 205101140 U CN205101140 U CN 205101140U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model discloses an explosion -proof air feeder of low concentration coal bed gas engine, including the gas transmission pipeline the coal bed gas draw -out device is installed to the head of gas transmission pipeline, begins from the export of coal bed gas draw -out device, along the orientation of coal bed gas output, is equipped with antistatic device, dewatering dust collector, coal bed gas methane content allotment device and the coal seam gas pressure adjusting device by switch board control in proper order on the gas -supply pipe way, and installs coal bed gas and air mixing device at the afterbody of gas transmission pipeline, the gaseous burning of entering coal bed gas engine acting, coal bed gas engine and then the work of drive generator after coal bed gas and air mixing device will mix.
Description
Technical field
The utility model relates to the technical field of coal bed gas engine and coal-seam gas generator set, relates more particularly to the explosion-proof air feeder of low concentration coal-bed gas motor.
Background technique
The hydro carbons of coal-seam gas based on methane and the mixture of air.The Coal bed gas project of China reaches 36.8 trillion m
3, mining resources amount about 10,000,000,000,000 m
3.If coal-seam gas is effectively used, rock gas breach nearly 1/3rd can be made up, but due to the factor of the aspects such as technology, make the coal-seam gas data utilization ratio of China lower.With regard to greenhouse, methane is more than 20 times of carbon dioxide, and coal-seam gas directly enters in air and not only causes the waste of the energy also to cause the pollution of environment.Under the excitation of national relevant policies, coal mining enterprise has started the comprehensive utilization paying attention to coal-seam gas, utilizes blower fan to extract coal-seam gas for civilian and coal-seam gas generator set, high concentration coal seam is so incensed that to fairly perfect utilization.But concentration, lower than the low concentration coal-bed gas of 15%, is easily blasted in course of conveying within the scope of limit of detonability, if do not adopt special safety measure easily security incident to occur.In addition because coal-seam gas its concentration in extraction process changes, particularly low concentration coal-bed gas makes it in engine working process, occur the problem such as ignition difficulties, power swing due to the fluctuation of concentration.Therefore the low concentration coal-bed gas extracted by colliery is difficult to be fully utilized, particularly concentration lower than 10% time, be generally directly discharged in air.
Model utility content
In view of this, model utility discloses the explosion-proof air feeder of low concentration coal-bed gas motor, after adopting this device can safety extraction and carry low concentration coal-bed gas, low concentration coal-bed gas through allotment after can make motor continuous and steady operation, reach the object of energy-saving and emission-reduction.
The technical solution adopted in the utility model is as follows:
The explosion-proof air feeder of low concentration coal-bed gas motor, comprise air delivering pipeline, at the head of described air delivering pipeline, coal-seam gas draw-out device is installed, from the outlet of described coal-seam gas draw-out device, along the direction that coal-seam gas exports, air delivering pipeline is provided with anti-static device, water-dust removing device, coal-seam gas methane content deployment device and coal-seam gas pressure regulation device successively that controlled by control cabinet, and at the afterbody of air delivering pipeline, coal-seam gas and air mixing device is installed; Mixed gas is sent into coal bed gas engine work by combustion by described coal-seam gas and air mixing device, coal bed gas engine and then drive electrical generators work.
Further, described anti-static device comprises at least two electrostatic detection releasers, and described electrostatic detection releaser is arranged on the diverse location of air delivering pipeline.When air delivering pipeline is shorter, arrange two electrostatic detection releasers, one of them electrostatic detection releaser is arranged on the entrance of coal-seam gas draw-out device, and another is arranged on the outlet of coal-seam gas draw-out device; When air delivering pipeline is long, the layout that keeps at a certain distance away arranges multiple electrostatic detection releaser.
Further, entry position and the exit position of described coal-seam gas draw-out device are also provided with water spray projector.
Further, described water-dust removing device comprises the eddy flow water-dust removing device be connected on air delivering pipeline, and described eddy flow water-dust removing device is also connected with a filter cleaner; The moisture that described eddy flow water-dust removing device removes from coal-seam gas, after filter cleaner filters, flows into water reservoir and thinks highly of multiple utilization for atomized water spray.
Further, described coal-seam gas and air mixing device comprise a mixer, one end of described mixer is connected with air intake conduit, the other end is connected with the air delivering pipeline of coal-seam gas, and the mixed gas of mixer sends into coal bed gas engine work by combustion, and then drive electrical generators work.
Further, the circuit be connected with coal bed gas engine at described mixer is also in series with electronic throttle and flame trap.
Further, described coal-seam gas methane content deployment device comprises high concentration coal-seam gas storage cabinet and electromagnetic flow valve, and described high concentration coal-seam gas storage cabinet is arranged on the side of air delivering pipeline, and its outlet is connected with air delivering pipeline; Described electromagnetic flow valve controls the methane output flow of high concentration coal-seam gas storage cabinet.
Further, described air delivering pipeline is provided with stop valve, pressure-stabilizing pressure regulation valve, sensing methane concentration device and pressure transducer.
The working procedure of this system is as follows:
Low concentration coal-bed gas is extracted from colliery, and adopt atomized water spray and static electricity detection release device to prevent from producing in coal-seam gas course of conveying electrostatic for the accident such as blasting, the coal-seam gas extracted is dewatered, dedusting allocate its methane content, the low concentration coal-bed gas after allotment is made to meet the requirement of internal-combustion engine, then coal bed gas engine work by combustion is sent into after mixing with air, the external output power of drive electrical generators work through pressure regulation.
The beneficial effects of the utility model are as follows:
The utility model can safety extraction and carry low concentration coal-bed gas, low concentration coal-bed gas through allotment after can make motor continuous and steady operation, reach the object of energy-saving and emission-reduction.
Accompanying drawing explanation
By being described in detail to mode of execution shown by reference to the accompanying drawings, above-mentioned and other features of the present utility model will be more obvious, wherein:
Fig. 1 shows the explosion-proof air supply system operating diagram of the low concentration coal-bed gas motor according to a mode of execution of the present utility model.
In figure: 101 air delivering pipelines, 102 electrostatic detection releasers, 103 water spray projectors, 104 blower fans, 105 hand stop valves, 106 filter cleaners, 107 eddy flow water-dust removing devices, 108 electromagnet cut off valve, 109 pressure-stabilizing pressure regulation valves, 110 sensing methane concentration devices, 111 pressure transducers, 112 coal-seam gas flow control valves, 113 coal-seam gas/air mixer, 114 air flow control valves, 115 suction tude, 116 air-strainer, 117 electronic throttles, 118 flame traps, 119 generators, 120 coal bed gas engines, 121 control cabinets, 122 electromagnetic flow valves, 123 high concentration coal-seam gas storage cabinets.
Embodiment
In the utility model, the explosion-proof air feeder of low concentration coal-bed gas motor provided the utility model by mode of execution with reference to accompanying drawing and the method operating this system are described in detail.Should be appreciated that, following mode of execution is only illustrative, and not restrictive.
As shown in Figure 1, the explosion-proof air feeder of this low concentration coal-bed gas motor comprises air delivering pipeline 101, electrostatic detection releaser 102, water spray projector 103, blower fan 104, hand stop valve 105, filter cleaner 106, eddy flow water-dust removing device 107, electromagnet cut off valve 108, pressure-stabilizing pressure regulation valve 109, sensing methane concentration device 110, pressure transducer 111, coal-seam gas flow control valve 112, coal-seam gas/air mixer 113, air flow control valve 114, air inlet pipeline 115, air-strainer 116, electronic throttle 117, flame trap 118, generator 119, coal bed gas engine 120, control cabinet 121, electromagnetic flow valve 122, high concentration coal-seam gas storage cabinet 123.
As shown in Figure 1, according to mode of execution of the present utility model, the explosion-proof air feeder of low concentration coal-bed gas motor comprises air delivering pipeline 101, at the head of described air delivering pipeline, blower fan 104 is installed, from the outlet of blower fan 104, along the direction that coal-seam gas exports, air delivering pipeline is provided with electrostatic detection releaser 102, water spray projector 103, hand stop valve 105, eddy flow water-dust removing device 107 successively that controlled by control cabinet, electromagnet cut off valve 108, pressure-stabilizing pressure regulation valve 109, sensing methane concentration device 110, pressure transducer 111, coal-seam gas flow control valve 112; And at the afterbody of air delivering pipeline, coal-seam gas/air mixer 113 is installed; Mixed gas is entered coal bed gas engine 120 work by combustion by described coal-seam gas/air mixer 113, and coal bed gas engine 120 and then drive electrical generators 119 work.
Further, described anti-static device comprises two or more electrostatic detection releaser 102, when air delivering pipeline is shorter, two electrostatic detection releasers are set, one of them electrostatic detection releaser is arranged on the entrance of coal-seam gas draw-out device, and another is arranged on the outlet of coal-seam gas draw-out device; When air delivering pipeline is long, the layout that keeps at a certain distance away arranges multiple electrostatic detection releaser.
Further, water spray projector 103 is two, is arranged on entry position and the exit position of blower fan respectively.
Further, eddy flow water-dust removing device 107 is also connected with a filter cleaner 106; The moisture that described eddy flow water-dust removing device removes from coal-seam gas, after filter cleaner 106 filters, flows into water reservoir and thinks highly of multiple utilization for atomized water spray.
Further, one end of coal-seam gas/air mixer 113 is connected with air intake conduit 115, and the other end is connected with the air delivering pipeline 101 of coal-seam gas, and the mixed gas of mixer sends into coal bed gas engine work by combustion, and then drive electrical generators work.
Further, the circuit be connected with coal bed gas engine at mixer is also in series with electronic throttle 117 and flame trap 118.
Further, coal-seam gas methane content deployment device comprises high concentration coal-seam gas storage cabinet and electromagnetic flow valve, and described high concentration coal-seam gas storage cabinet is arranged on the side of air delivering pipeline, and its outlet is connected with air delivering pipeline; Described electromagnetic flow valve controls the methane output flow of high concentration coal-seam gas storage cabinet.
The working procedure of this system is as follows:
The working procedure of this explosion-proof air supply system is that blower fan 104 extracts low concentration coal-bed gas by air delivering pipeline 101 from colliery, owing to containing much tiny dust and particle in coal-seam gas, in transport process, these Particle Phase mutual friction can produce electrostatic, simultaneously in low concentration coal-bed gas the ratio of methane and air within the scope of explosion limit, in coal-seam gas course of conveying, water spray projector 103 prevents the generation of electrostatic to water spray in air delivering pipeline 101, every a segment distance, electrostatic detection releaser 102 is installed in pipeline simultaneously, the electrostatic that timely release produces because of reasons such as water spray projector 103 exceptions, through eddy flow water-dust removing device 107 when the low concentration coal-bed gas extracted arrives pipeline near motor, the impurity such as removing moisture wherein and particle, certain pressure is adjusted to through pressure-stabilizing pressure regulation valve 109, then in coal-seam gas/air mixer 113, enter the gas handling system of motor after being mixed by air flow control valve 114 leaked-in air through coal-seam gas flow control valve 112, needed the mixed gas flow controlling to enter coal bed gas engine 120 according to load by electronic throttle 117, the steady and continuous realizing motor is run, drive electrical generators 119 works external output power.Sensing methane concentration device 110 in pipeline detects the real-time concentration of methane, stores up cabinet 123 supplementary methane in low concentration coal-bed gas as required make engine stabilizer work by high concentration coal-seam gas.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (8)
1. the explosion-proof air feeder of low concentration coal-bed gas motor, it is characterized in that: comprise air delivering pipeline, at the head of described air delivering pipeline, coal-seam gas draw-out device is installed, from the outlet of described coal-seam gas draw-out device, along the direction that coal-seam gas exports, air delivering pipeline is provided with anti-static device, water-dust removing device, coal-seam gas methane content deployment device and coal-seam gas pressure regulation device successively that controlled by control cabinet, and at the afterbody of air delivering pipeline, coal-seam gas and air mixing device is installed; Mixed gas is sent into coal bed gas engine work by combustion by described coal-seam gas and air mixing device, coal bed gas engine and then drive electrical generators work.
2. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 1, is characterized in that: described anti-static device comprises at least two electrostatic detection releasers, and described electrostatic detection releaser is arranged on the diverse location of air delivering pipeline.
3. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 1, is characterized in that: entry position and the exit position of described coal-seam gas draw-out device are also provided with water spray projector.
4. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 3, it is characterized in that: described water-dust removing device comprises the eddy flow water-dust removing device be connected on air delivering pipeline, described eddy flow water-dust removing device is also connected with a filter cleaner; The moisture that described eddy flow water-dust removing device removes from coal-seam gas, after filter cleaner filters, flows into water reservoir and thinks highly of multiple utilization for atomized water spray.
5. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 1, it is characterized in that: described coal-seam gas and air mixing device comprise a mixer, one end of described mixer is connected with air intake conduit, the other end is connected with the air delivering pipeline of coal-seam gas, and the mixed gas of mixer enters coal bed gas engine.
6. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 5, is characterized in that: on the circuit that described mixer is connected with coal bed gas engine, be also in series with electronic throttle and flame trap.
7. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 1, it is characterized in that: described coal-seam gas methane content deployment device comprises high concentration coal-seam gas storage cabinet and electromagnetic flow valve, described high concentration coal-seam gas storage cabinet is arranged on the side of air delivering pipeline, and its outlet is connected with air delivering pipeline; Described electromagnetic flow valve controls the methane output flow of high concentration coal-seam gas storage cabinet.
8. the explosion-proof air feeder of low concentration coal-bed gas motor as claimed in claim 1, is characterized in that: on described air delivering pipeline, be provided with stop valve, pressure-stabilizing pressure regulation valve, sensing methane concentration device and pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933432.8U CN205101140U (en) | 2015-11-19 | 2015-11-19 | Explosion -proof air feeder of low concentration coal bed gas engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933432.8U CN205101140U (en) | 2015-11-19 | 2015-11-19 | Explosion -proof air feeder of low concentration coal bed gas engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101140U true CN205101140U (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933432.8U Expired - Fee Related CN205101140U (en) | 2015-11-19 | 2015-11-19 | Explosion -proof air feeder of low concentration coal bed gas engine |
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|---|---|
| CN (1) | CN205101140U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275673A (en) * | 2015-11-19 | 2016-01-27 | 山东大学 | Low-concentration coal-bed methane engine anti-explosion gas supply system and operation method |
| CN109681350A (en) * | 2019-02-15 | 2019-04-26 | 广西玉柴机器股份有限公司 | Low-pressure fuel gas engine supplies valve module |
-
2015
- 2015-11-19 CN CN201520933432.8U patent/CN205101140U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275673A (en) * | 2015-11-19 | 2016-01-27 | 山东大学 | Low-concentration coal-bed methane engine anti-explosion gas supply system and operation method |
| CN109681350A (en) * | 2019-02-15 | 2019-04-26 | 广西玉柴机器股份有限公司 | Low-pressure fuel gas engine supplies valve module |
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| 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: 20160323 Termination date: 20181119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |