CN106927161A - Coal bunker safety comprehensive governing system - Google Patents
Coal bunker safety comprehensive governing system Download PDFInfo
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- CN106927161A CN106927161A CN201511001268.8A CN201511001268A CN106927161A CN 106927161 A CN106927161 A CN 106927161A CN 201511001268 A CN201511001268 A CN 201511001268A CN 106927161 A CN106927161 A CN 106927161A
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- coal
- coal bunker
- governing system
- silo
- comprehensive
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
- B65D90/34—Venting means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/38—Means for reducing the vapour space or for reducing the formation of vapour within containers
- B65D90/44—Means for reducing the vapour space or for reducing the formation of vapour within containers by use of inert gas for filling space above liquid or between contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/54—Gates or closures
- B65D90/66—Operating devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2590/00—Component parts, details or accessories for large containers
- B65D2590/54—Gates or closures
- B65D2590/66—Operating devices therefor
- B65D2590/668—Controlling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to a kind of coal bunker safety comprehensive governing system, it is characterised in that it includes coal bunker, ventilation blower, inert gas, motor-driven valve, pressure piping, automatic telescopic air interchanger, coal, high pressure storage tank, inertia unit, in advance pressure sensor, keying explosion proof door, Non-contact type level gage, compound gas detector, Smoke Sensor, thermometric wirerope, comprehensive explosion-proof temperature scanner；The beneficial effects of the invention are as follows：Various coal bunker coal storage spontaneous combustion problems are thoroughly solved, the storage spontaneous combustion problems of the coal of various atures of coal are thoroughly solved；Whole coal bunker safety comprehensive governing system is simple and reliable, without artificial on duty；To various coal bunker wide adaptabilities, size diameter can be used；To the applied widely of material, the coal of various atures of coal is suitable for.Our coal bunker safety comprehensive governing system can be used in power industry, chemical industry, colliery industry.Comprehensive explosion-proof temperature scanner accurately judges the spontaneous combustion position of coal, is that follow-up local fire extinguishment is ready, and the system thoroughly solves coal bunker coal storage safety problem.
Description
Technical field
The invention belongs to coal bunker safety comprehensive governing system, it is specifically related to a kind of to solve coal bunker coal storage spontaneous combustion problems, the storage spontaneous combustion problems of the coal of various atures of coal are thoroughly solved, coal bunker safety comprehensive governing system of the invention is applied to power industry, chemical industry, the safe coal storage of the coal bunker of the various models of colliery industry.
Background technology
The spontaneous combustion of the coal of large-scale coal bunker is exactly always the hang-up of large coal storage.By the basic reason that the dioxygen oxidation in air is coal spontaneous combustion, the element such as carbon, hydrogen in coal will react coal at normal temperatures, generate combustible CO, CH4 and other alkane materials.The oxidation of coal is again exothermic reaction, if heat can not be dissipated in time, will raise the accumulation temperature of coal, accelerates the oxidation of coal again in turn, releases more combustibles and heat.When heat aggregation, when temperature rises to certain value, i.e., combustible can be caused to burn and spontaneous combustion.
At present, after coal spontaneous combustion, also there are 2 kinds of solutions of routine, one is that all of coal in coal bunker is transported by belt conveyor, this unusual elapsed time, the coal storage of coal bunker is general more than 10,000 tons, and 2 exerting oneself for belt add up most 3 kilotons/h, needing the time of more than 3 hours can just clean out, and unexpected accident will occur during this period.Two is the water filling toward silo, and this just can be with the initial stage of coal spontaneous combustion, after coal large area blazes up, just dare not water filling inside because the coal and water of burning can also react generation gas, be very easy to blast；When the coal in coal bunker is mobility bad coal, water filling inside after coal knot arch, just can't get out, in addition it is also necessary to manual cleaning entirely.
The content of the invention
The purpose of patent of the present invention is the system for putting forward a kind of simple structure of arch, reliably preventing coal spontaneous combustion, glow for large-scale coal bunker, effectively the comprehensive treatment system of the coal spontaneous combustion of prevention coal bunker, and making the coal of various atures of coal can store safely, not spontaneous combustion.
The technical scheme that patent of the present invention solves above-mentioned technical problem is as follows：Coal bunker safety comprehensive governing system, including coal bunker, ventilation blower, inert gas, motor-driven valve, pressure piping, automatic telescopic air interchanger, coal, high pressure storage tank, inertia unit, in advance pressure sensor, keying explosion proof door, Non-contact type level gage, compound gas detector, Smoke Sensor, thermometric wirerope, comprehensive explosion-proof temperature scanner.
The inert gas, can be high pressure nitrogen, high-pressure carbon dioxide, liquid nitrogen, liquid carbon dioxide.
The comprehensive explosion-proof temperature scanner is positioned close to the center above silo, is worked using the scan mode being rotated by 360 ° in horizontal plane；In vertical direction, 90 degree can arbitrarily rotate.
The automatic telescopic air interchanger, sets the outside to silo, according to the capacity of silo, can be in 1 ~ 12 any setting；According to the height of silo, flexible height can arbitrarily be set in 0 ~ 50m.
The compound gas detector sets the outside to silo, the gas in silo is extracted into using internal air pump the inside of compound gas detector, and the concentration of the fuel gas inside silo can be just measured by sensor.
The coal bunker can be chemical industry, power industry, colliery industry, can using our this scheme each system combination come reach we coal bunker safely administer purpose.
The Non-contact type level gage can be that ultrasonic material level detection unit, radar level gauge can also be weight dropper charge level indicators.
Brief description of the drawings
Fig. 1 is the schematic diagram of coal bunker safety comprehensive governing system of the present invention.
Fig. 2 is the top view of Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, coal bunker；2nd, ventilation blower；3rd, inert gas；4th, motor-driven valve；5th, pressure piping；6th, automatic telescopic air interchanger；7th, coal；8th, high pressure storage tank；9th, inertia unit；10th, pressure sensor；11st, explosion proof door is opened and closed in advance；12nd, Non-contact type level gage；13rd, compound gas detector；14th, Smoke Sensor；15th, thermometric wirerope;16th, comprehensive explosion-proof temperature scanner.
Specific embodiment
As shown in the figure, coal bunker safety comprehensive governing system, including coal bunker 1, ventilation blower 2, inert gas 3, motor-driven valve 4, pressure piping 5, automatic telescopic air interchanger 6, coal 7, high pressure storage tank 8, inertia unit 9, pressure sensor 10, pre- keying explosion proof door 11, Non-contact type level gage 12, compound gas detector 13, Smoke Sensor 14, thermometric wirerope 15, comprehensive explosion-proof temperature scanner 16.
The whole coal bunker safety comprehensive governing system includes following system：Monitoring system:It is made up of Non-contact type level gage 12, compound gas detector 13, Smoke Sensor 14, thermometric wirerope 15, comprehensive explosion-proof temperature scanner 16, control section., by cable transmission to above control system, we just can be with these data of real time inspection, and when abnormal conditions occur in these data, control system sends alarm signal, for system below provides enabling signal for various data.Inerting system：It is made up of inert gas 3, motor-driven valve 4, pressure piping 5, automatic telescopic air interchanger 6, high pressure storage tank 8, inertia unit 9, pressure sensor 10, control section.When the display pressure of pressure sensor 10 is low, control section will open inertia unit 9, and the inert gas 3 that inertia unit 9 is produced leads to high pressure storage tank 8, until the storage of high pressure storage tank 8 is full, pressure sensor 10 produces pressure high RST, and inertia unit 9 will be stopped.So week and repeatedly, circulation is more than.Explosion protection system：It is made up of the pre- keying explosion proof door 11 of outdoor arrangement, after control system sends alarm signal, the pre- explosion proof door 11 that opens and closes is automatically turned on, after the alarm signal of control system is released, the pre- explosion proof door 11 that opens and closes is automatically switched off.
The inert gas can be nitrogen, or carbon dioxide, and both gases have good superiority as inert media, there is preferable economy, cheaper than other media；Inherently a kind of firing-fighting medium of the inert gas of high pressure, in many confined spaces, is all used with one of this 2 kinds of media as firing-fighting medium, is just more had no problem as inert gas.
Pressure step-down suddenly after the inert gas injection of the high pressure, may also operate as the effect of cooling, and the effect of cooling is simply secondary certainly, and most importantly it can put out a fire.The inert gas of high pressure can just knock out ignition point within a few minutes, and the time that the inert gas of low pressure needs is oversize, is not suitable with the comprehensive regulation of our coal bunkers.
The automatic telescopic air interchanger 6, automatic telescopic air interchanger is arranged on the top of coal bunker, high-pressure inert gas is reached coal seam top by automatic telescopic air interchanger 6, is completely covered on the surface in coal seam, the coal of spontaneous combustion is completely in the middle of inert atmosphere.
The ventilation blower 2 is installed to coal bunker top, the Belt Passage of coal bunker bottom, in order to avoid inert gas is gathered, threatens the safety of life.
The pre- keying explosion proof door 11 is installed to the top of coal bunker, and is arranged into the outside of Belt Passage.Can be opened and closed with Electronic control, it is ensured that the safety of coal bunker.Can also usually be used as manhole.
Temperature inside the monitoring of thermometric wirerope 15 coal seam, when temperature exceedes the value of setting, control system will produce alarm signal；The smog produced after compound gas detector 13, the concentration of the monitoring gas of Smoke Sensor 14 and coal spontaneous combustion, when data exceed the value of setting, control system will produce alarm signal；After having alarm signal, the pre- explosion proof door 11 that opens and closes is automatically turned on, and prevents the pressure rise of coal bunker, and destruction is produced to coal bunker.The motor-driven valve 4 above pressure piping 5 is opened simultaneously, inert gas injection coal seam top.After the alarm signal of control system is released, the pre- explosion proof door 11 that opens and closes is automatically switched off.The motor-driven valve 4 above pressure piping 5 is also switched off simultaneously, completes the inerting of coal bunker.
The coal bunker is required for installing level-sensing device, and coal bunker is belonging to the environment of dust high, high humility, and environment is more severe, is typically chosen more advanced level-sensing device, such as radar level gauge, ultrasonic material level detection unit etc. measure the height in coal seam.
The comprehensive explosion-proof temperature scanner：360 degree of rotations in the horizontal plane, Linear Circulation scans the temperature change of coal surface, temperature measurer is in the temperature of telemeasurement, the value of the temperature measured has error, as long as distance is certain, the excursion of the temperature measured is very accurately, to be relatively adapted to the slight change of measurement coal surface temperature, when the temperature change of the coal of coal surface exceedes certain limit, at this moment we will judge the coal spontaneous combustion of this point.
Claims (7)
1. coal bunker safety comprehensive governing system, it is characterised in that it includes coal bunker, ventilation blower, inert gas, motor-driven valve, pressure piping, automatic telescopic air interchanger, coal, high pressure storage tank, inertia unit, in advance pressure sensor, keying explosion proof door, Non-contact type level gage, compound gas detector, Smoke Sensor, thermometric wirerope, comprehensive explosion-proof temperature scanner.
2. coal bunker safety comprehensive governing system according to claim 1, it is characterised in that the inert gas, can be high pressure nitrogen, high-pressure carbon dioxide, liquid nitrogen, liquid carbon dioxide.
3. coal bunker safety comprehensive governing system according to claim 1, it is characterised in that the comprehensive explosion-proof temperature scanner is positioned close to the center above silo, is worked using the scan mode being rotated by 360 ° in horizontal plane；In vertical direction, 90 degree can arbitrarily rotate.
4. coal bunker safety comprehensive governing system according to claim 1, it is characterised in that the automatic telescopic air interchanger, sets the outside to silo, according to the capacity of silo, any can be set at 1 ~ 12；According to the height of silo, flexible height can arbitrarily be set in 0 ~ 50m.
5. coal bunker safety comprehensive governing system according to claim 1, it is characterized in that, the compound gas detector sets the outside to silo, the gas in silo is extracted into using internal air pump the inside of compound gas detector, the concentration of the fuel gas inside silo can be just measured by sensor.
6. coal bunker safety comprehensive governing system according to claim 1, it is characterized in that, the coal bunker can be chemical industry, power industry, colliery industry, can using our this scheme each system combination come reach we coal bunker safely administer purpose.
7. coal bunker safety comprehensive governing system according to claim 1, it is characterised in that the Non-contact type level gage can be that ultrasonic material level detection unit, radar level gauge can also be weight dropper charge level indicators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001268.8A CN106927161A (en) | 2015-12-29 | 2015-12-29 | Coal bunker safety comprehensive governing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001268.8A CN106927161A (en) | 2015-12-29 | 2015-12-29 | Coal bunker safety comprehensive governing system |
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| Publication Number | Publication Date |
|---|---|
| CN106927161A true CN106927161A (en) | 2017-07-07 |
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| CN201511001268.8A Pending CN106927161A (en) | 2015-12-29 | 2015-12-29 | Coal bunker safety comprehensive governing system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641187A (en) * | 1979-09-10 | 1981-04-17 | Sumitomo Heavy Industries | Method and device for prementing spontaneous combustion of coal in coal storage tank |
| CN1562417A (en) * | 2004-03-30 | 2005-01-12 | 朱耀平 | Inerting protection method and protection device in use for silo of storing raw coal |
| CN201449649U (en) * | 2009-07-09 | 2010-05-05 | 南京武大卓越科技有限公司 | Spontaneous combustion monitoring and warning system for coal |
| US20110253398A1 (en) * | 2010-04-14 | 2011-10-20 | Ihi Corporation | Apparatus for monitoring and controlling spontaneous firing of stored coal |
| CN102303758A (en) * | 2010-11-26 | 2012-01-04 | 徐州中矿奥特麦科技有限公司 | Coal storage silo safety protection process and protection system |
| CN202534098U (en) * | 2012-03-30 | 2012-11-14 | 徐州中矿奥特麦科技有限公司 | Closed silo environment safety monitoring apparatus |
| CN103285541A (en) * | 2013-06-20 | 2013-09-11 | 中国矿业大学 | A system and a method for active fire extinguishing and explosion suppression in coal mine workplaces |
-
2015
- 2015-12-29 CN CN201511001268.8A patent/CN106927161A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641187A (en) * | 1979-09-10 | 1981-04-17 | Sumitomo Heavy Industries | Method and device for prementing spontaneous combustion of coal in coal storage tank |
| CN1562417A (en) * | 2004-03-30 | 2005-01-12 | 朱耀平 | Inerting protection method and protection device in use for silo of storing raw coal |
| CN201449649U (en) * | 2009-07-09 | 2010-05-05 | 南京武大卓越科技有限公司 | Spontaneous combustion monitoring and warning system for coal |
| US20110253398A1 (en) * | 2010-04-14 | 2011-10-20 | Ihi Corporation | Apparatus for monitoring and controlling spontaneous firing of stored coal |
| CN102303758A (en) * | 2010-11-26 | 2012-01-04 | 徐州中矿奥特麦科技有限公司 | Coal storage silo safety protection process and protection system |
| CN202534098U (en) * | 2012-03-30 | 2012-11-14 | 徐州中矿奥特麦科技有限公司 | Closed silo environment safety monitoring apparatus |
| CN103285541A (en) * | 2013-06-20 | 2013-09-11 | 中国矿业大学 | A system and a method for active fire extinguishing and explosion suppression in coal mine workplaces |
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Application publication date: 20170707 |
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