CN107402279A - A kind of thermal source loading device of spontaneous combustion of simulated coal - Google Patents
A kind of thermal source loading device of spontaneous combustion of simulated coal Download PDFInfo
- Publication number
- CN107402279A CN107402279A CN201710689141.2A CN201710689141A CN107402279A CN 107402279 A CN107402279 A CN 107402279A CN 201710689141 A CN201710689141 A CN 201710689141A CN 107402279 A CN107402279 A CN 107402279A
- Authority
- CN
- China
- Prior art keywords
- temperature
- thermal source
- heating
- control box
- spontaneous combustion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 59
- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 41
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 4
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
A kind of thermal source loading device of spontaneous combustion of simulated coal, including temperature control box, temperature controller, programmed button, thermal source, heating power supply line, thermometric line, air-break, insurance and A.C. contactor；Temperature control box is used to dispose temperature controller, programmed button, air-break, insurance and A.C. contactor；Temperature controller and programmed button are used to control thermal source temperature-rise period, set some temperature values, and when controlling the heat source temperature to reach maximum temperature setting value, heating process terminates；Heating power supply line and thermometric line are connected with temperature control box and thermal source respectively, for realizing to thermal source heat temperature raising and temperature monitoring；Air-break, insurance and A.C. contactor are used to realize thermal source in temperature-rise period, when temperature reaches a set temperature value, heating circuit is automatically cut off, heating is interrupted, when temperature is reduced to set temperature value, heating continues, until thermal source continues to interrupt when heating reaches next set temperature value.The present invention being capable of realistic simulation loose coal spontaneous combustion temperature-rise period.
Description
Technical field
The present invention relates to a kind of thermal source loading device of spontaneous combustion of simulated coal.
Background technology
Spontaneous combustionof coal is a kind of disaster common in coal production.On the Chinese side, 56% pit mining spontaneous combustion coal
There is spontaneous fire threat in layer, more than 70% big-and-middle-sized mining area, 90% coal-mine fire is caused by spontaneous combustionof coal.
Due to the seriousness of spontaneous combustionof coal disaster, coal production field begins one's study preventing and extinguishing fire of coal mine technology very early.Mesh
Preceding application is wider to be had：Coal oxidation reaction theory, Period of Coal Seam Spontaneous Combustion prediction technology, coal seam concealed fire detection skill
A series of preventing and extinguishing fire of coal mine technical systems such as art, fireproofing extinguishing materials and equipment.Due to coal macromolecular physicochemical properties and all
More performances fail to establish unified cognition, the development of colliery scene Period of Coal Seam Spontaneous Combustion and propagation law can not Accurate Analysis,
Many influence factor and error are current coal mining existing for the concealed fire Detection Techniques of mining of closed distance coal seam group goaf
The great research topic of technical field.
If experimental simulation more true to nature can be carried out to coal spontaneous combustion rule, necessarily carried to disclosing many rules of coal spontaneous combustion
For reliable scientific basis, but at present, also dress is loaded without a kind of thermal source of more real spontaneous combustion of simulated coal in the prior art
Put.
The content of the invention
In order to solve in simulated experiment, Coal Self-ignition Process can not approach true, and cause to simulate ineffective technology and ask
Topic, the invention provides a kind of thermal source loading device of spontaneous combustion of simulated coal.
The technical scheme is that：
A kind of thermal source loading device of spontaneous combustion of simulated coal, it is characterised in that：Including temperature control box, temperature controller, programmed button, thermal source,
Heating power supply line, thermometric line, air-break, insurance and A.C. contactor；The temperature control box is used to dispose temperature controller, program control pressed
Button, air-break, insurance and A.C. contactor；The temperature controller and the programmed button are used to control the thermal source to heat up
When journey, setting some temperature values, and controlling the heat source temperature to reach maximum temperature setting value, heating process terminates；It is described to add
Thermoelectric generator line and the thermometric line are connected with the temperature control box and the thermal source respectively, for realizing to the thermal source heat temperature raising
And temperature monitoring；The air-break, the insurance and the A.C. contactor are used to realize the thermal source in temperature-rise period
In, when temperature reaches a set temperature value, heating circuit is automatically cut off, and heating is interrupted, when temperature is reduced to design temperature
During value, heating continues, until the thermal source continues to interrupt when heating reaches next set temperature value.
In the thermal source loading device of above-mentioned spontaneous combustion of simulated coal, the temperature control box includes temperature control casing and binding post, institute
State temperature controller and the programmed button is placed in the temperature control box volume surrounding, the air-break, the insurance and the friendship
Stream contactor is placed in the temperature control box house, and the heating power supply line and the thermometric line pass through the binding post and institute
State temperature control box connection.
In the thermal source loading device of above-mentioned spontaneous combustion of simulated coal, the thermal source includes thermal source termination and thermal source guide rod.
In the thermal source loading device of above-mentioned spontaneous combustion of simulated coal, the thermal source termination uses nichrome material, the highest temperature
Spend for 1000 DEG C, cylindrical, a diameter of 2.5cm, length 2.5cm, peak power 1000W.
In the thermal source loading device of above-mentioned spontaneous combustion of simulated coal, three-wire system thermocouple is set in the thermal source, possesses resistance benefit
Function is repaid, for Simultaneous Monitoring heat source temperature.
In the thermal source loading device of above-mentioned spontaneous combustion of simulated coal, it is also equipped with stopping indicator lamp and startup on the temperature control box
Indicator lamp, for indicating whether the thermal source is in heating process.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art：
(1) the thermal source loading device of a kind of spontaneous combustion of simulated coal provided by the invention, simulation loose coal spontaneous combustion process can be realized
The generation of middle thermal source and temperature-rise period, so as to realize the purpose of spontaneous combustion of remaining coal law study inside loose coal, make up existing skill
The deficiency of art and equipment.
(2) the thermal source loading device of a kind of spontaneous combustion of simulated coal provided by the invention, thermal source can be made to be warming up to 1000 DEG C, it is complete
Various Surroundings of Coal Spontaneous Combustlon, strong applicability enough all can be simulated, and three-wire system thermocouple is set due to interior, possess resnstance transformer function, because
This, can ensure that monitoring temperature is highly consistent with environment temperature.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, specific embodiment and combination below according to the present invention
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is a kind of thermal source loading device structural representation of spontaneous combustion of simulated coal of the present invention；
Fig. 2 is temperature control box internal structure schematic diagram in a kind of thermal source loading device of spontaneous combustion of simulated coal of the present invention.
In figure mark for：1- temperature control boxs, 2- temperature controllers, 3- programmed buttons, 4- thermals source, 5- heating power supply lines, 6- thermometric lines,
7- air-breaks, 8- insurances, 9- A.C. contactors, 101- temperature control casings, 102- binding posts, 401- thermals source termination, 402-
Thermal source guide rod.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
As illustrated in fig. 1 and 2, it is a kind of preferred embodiment of the thermal source loading device of spontaneous combustion of simulated coal of the present invention.
The thermal source loading device of the spontaneous combustion of simulated coal, including temperature control box 1, temperature controller 2, programmed button 3, thermal source 4, heating
Power line 5, thermometric line 6, air-break 7, insurance 8 and A.C. contactor 9, and stop indicator lamp and start indicator lamp.
The temperature control box 1 be used for dispose temperature controller 2, programmed button 3, air-break 7, insurance 8 and A.C. contactor 9 with
And stop indicator lamp and start indicator lamp；The temperature controller 2 and the programmed button 3 are used to control the temperature-rise period of thermal source 4,
When setting some temperature values, and controlling the temperature of thermal source 4 to reach maximum temperature setting value, heating process terminates；The heating
Power line 5 and the thermometric line 6 are connected with the temperature control box 1 and the thermal source 4 respectively, and the thermal source 4 is heated for realizing
Heating and temperature monitoring；The air-break 7, the insurance 8 and the A.C. contactor 9 are used to realize that the thermal source 4 exists
In temperature-rise period, when temperature reaches a set temperature value, heating circuit is automatically cut off, and heating is interrupted, when temperature is reduced to
During set temperature value, heating continues, until the thermal source 4 continues to interrupt when heating reaches next set temperature value.
The stopping indicator lamp and the start indicator lamp, for indicating whether the thermal source 4 is in heating process.
In the present embodiment, the temperature control box 1 includes temperature control casing 101 and binding post 102, the temperature controller 2 and institute
State programmed button 3 and be placed in the outer layer of temperature control casing 101, the air-break 7, the insurance 8 and the ac contactor
Device 9 is placed in inside the temperature control casing 101, and the heating power supply line 5 and the thermometric line 6 pass through the binding post 102
It is connected with the temperature control box 1.
In the present embodiment, the thermal source 4 includes thermal source termination 401 and thermal source guide rod 402, and three lines are set in the thermal source 4
Galvanic couple is heated, possesses resnstance transformer function, for Simultaneous Monitoring heat source temperature.
In the present embodiment, the thermal source termination 401 uses nichrome material, and maximum temperature is 1000 DEG C, in cylinder
Shape, a diameter of 2.5cm, length 2.5cm, peak power 1000W.
Thermal source in loose coal spontaneous combustion process is simulated using the present embodiment to heat up, and coal is lost inside loose coal certainly to study
Rule is fired, is comprised the following steps：
（a）According to the size of the loose coal model of coal spontaneous combustion law study, coal containing quantity, draft type etc., design thermal source loading
Position of the device in test model；
（b）The thermal source 4 is installed into correspondence position in loose coal model, the heating power supply line 5 and the thermometric line 6 are divided
Connection not corresponding with the binding post 102 in the temperature control box 1, the temperature control box 1 connect alternating current；
（c）After thermal source loading device installs, starting switch, the start indicator lamp is bright, according to program has been designed, passes through institute
State temperature controller 2 and the programmed button 3 sets interim heating schedule；
（d）After the setting of interim heating schedule, tightly by the programmed button 3 three seconds, program automatic start；
（e）It is time of the thermal source loading device by setting, automatic to close after completing program circulation.
As assistant experiment, to comparative analysis coal spontaneous combustion rule, while following steps are also carried out using the present embodiment：
（a）According to the size of the loose coal model of coal spontaneous combustion law study, coal containing quantity, draft type etc., design thermal source loading
Position of the device in test model；
（b）The thermal source 4 is installed into correspondence position in loose coal model, the heating power supply line 5 and the thermometric line 6 are divided
Connection not corresponding with the binding post 102 in temperature control box 1, the temperature control box 1 connect alternating current；
（c）After thermal source loading device installs, starting switch, the start indicator lamp is bright, according to program has been designed, passes through institute
State temperature controller 2 and the programmed button 3 sets in 60s and is rapidly reached the temperature of setting, and set the time for keeping constant temperature；
（d）After load after being heated program setting, tightly by the programmed button 3 three seconds, program automatic start；
（e）It is time of the thermal source loading device by setting, automatic to close after completing program circulation.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right
For those of ordinary skill in the art, other various forms of changes can also be made on the basis of the above description.
There is no necessity and possibility to exhaust all the enbodiments.And the obvious changes or variations thus extended out is still
Among protection scope of the present invention.
Claims (6)
- A kind of 1. thermal source loading device of spontaneous combustion of simulated coal, it is characterised in that：Including temperature control box（1）, temperature controller（2）, program control press Button（3）, thermal source（4）, heating power supply line（5）, thermometric line（6）, air-break（7）, insurance（8）And A.C. contactor（9）；The temperature control box（1）For disposing temperature controller（2）, programmed button（3）, air-break（7）, insurance（8）Connect with exchanging Tentaculum（9）；The temperature controller（2）With the programmed button（3）For controlling the thermal source（4）Temperature-rise period, some temperature values are set, And control the thermal source（4）When temperature reaches maximum temperature setting value, heating process terminates；The heating power supply line（5）With the thermometric line（6）Respectively with the temperature control box（1）With the thermal source（4）Connection, is used for Realize to the thermal source（4）Heat temperature raising and temperature monitoring；The air-break（7）, the insurance（8）With the A.C. contactor（9）For realizing the thermal source（4）Heating up During, when temperature reaches a set temperature value, heating circuit is automatically cut off, and heating is interrupted, when temperature is reduced to setting During temperature value, heating continues, until the thermal source（4）Continue to interrupt when heating reaches next set temperature value.
- 2. the thermal source loading device of spontaneous combustion of simulated coal according to claim 1, it is characterised in that：The temperature control box（1）Bag Include temperature control casing（101）And binding post（102）, the temperature controller（2）With the programmed button（3）It is placed in the temperature control box Body（101）Outer layer, the air-break（7）, the insurance（8）With the A.C. contactor（9）It is placed in the temperature control box Body（101）Inside, the heating power supply line（5）With the thermometric line（6）Pass through the binding post（102）With the temperature control box （1）Connection.
- 3. the thermal source loading device of spontaneous combustion of simulated coal according to claim 1 or 2, it is characterised in that：The thermal source（4）Bag Include thermal source termination（401）With thermal source guide rod（402）.
- 4. the thermal source loading device of spontaneous combustion of simulated coal according to claim 3, it is characterised in that：The thermal source termination （401）Using nichrome material, maximum temperature is 1000 DEG C, cylindrical, a diameter of 2.5cm, length 2.5cm, maximum work Rate is 1000W.
- 5. the thermal source loading device of spontaneous combustion of simulated coal according to claim 3, it is characterised in that：The thermal source（4）Inside set Three-wire system thermocouple, possesses resnstance transformer function, for Simultaneous Monitoring heat source temperature.
- 6. according to the thermal source loading device of any described spontaneous combustion of simulated coal of claim 1-5, it is characterised in that：The temperature control box （1）On be also equipped with stopping indicator lamp and start indicator lamp, for indicating the thermal source（4）Whether heating process is in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689141.2A CN107402279A (en) | 2017-08-13 | 2017-08-13 | A kind of thermal source loading device of spontaneous combustion of simulated coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689141.2A CN107402279A (en) | 2017-08-13 | 2017-08-13 | A kind of thermal source loading device of spontaneous combustion of simulated coal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107402279A true CN107402279A (en) | 2017-11-28 |
Family
ID=60396481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710689141.2A Pending CN107402279A (en) | 2017-08-13 | 2017-08-13 | A kind of thermal source loading device of spontaneous combustion of simulated coal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107402279A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574030Y (en) * | 2002-10-17 | 2003-09-17 | 北京安控科技发展有限公司 | Thermal couple signal conditioning circuit for automatic control terminal |
| CN102297730A (en) * | 2011-05-23 | 2011-12-28 | 国网电力科学研究院 | Multi-channel general temperature measurement module |
| CN105842281A (en) * | 2016-04-28 | 2016-08-10 | 煤炭科学技术研究院有限公司 | Analog simulation test device for temperature field distribution rule in coal mine goaf |
-
2017
- 2017-08-13 CN CN201710689141.2A patent/CN107402279A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574030Y (en) * | 2002-10-17 | 2003-09-17 | 北京安控科技发展有限公司 | Thermal couple signal conditioning circuit for automatic control terminal |
| CN102297730A (en) * | 2011-05-23 | 2011-12-28 | 国网电力科学研究院 | Multi-channel general temperature measurement module |
| CN105842281A (en) * | 2016-04-28 | 2016-08-10 | 煤炭科学技术研究院有限公司 | Analog simulation test device for temperature field distribution rule in coal mine goaf |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI126189B (en) | Monitoring and control procedure to prevent poor air quality and fire and to give alarms about a dangerous situation | |
| CN105222175B (en) | Gas-cooker intelligence control system | |
| Apeh et al. | Design and development of kitchen gas leakage detection and automatic gas shut off system | |
| CN203706560U (en) | A fire hazard simulator | |
| CN104776882A (en) | Method and device for monitoring the safe use of a cooker | |
| CN205612899U (en) | Temperature -sensing automatic fire extinguisher | |
| CN203718844U (en) | Residual heat reminding device for gas stove and gas stove | |
| CN104501363A (en) | Air conditioner and control system thereof | |
| CN107402279A (en) | A kind of thermal source loading device of spontaneous combustion of simulated coal | |
| Kuznetsov et al. | Fast detection of compartment fires under different heating conditions of materials | |
| CN205137559U (en) | Intelligent control system for gas stove | |
| CN205140165U (en) | Combustible gas alarm system | |
| CN105864821B (en) | Lighter and its ignition control method with safety device | |
| CN103632598B (en) | A kind of fire and fire | |
| CN103900394A (en) | Ignition flame detecting device for industrial furnace | |
| CN206121005U (en) | Aerosol automatic starting drive of temperature sensing that puts out a fire | |
| CN206348675U (en) | A kind of baking box overtemperature protection device of controllable silicon | |
| CN207214145U (en) | A kind of kitchen burning things which may cause a fire disaster supervising device | |
| CN205425124U (en) | Human influence electricity warmer | |
| CN104748394B (en) | Gas heater safety system and gas heater | |
| CN205560835U (en) | Thermite ignition device | |
| CN206179381U (en) | Device with electric oven misuse combination fire experiment is dealt with improperly to cigarette end | |
| RU134061U1 (en) | AUTOMATIC FIRE EXTINGUISHING DEVICE FOR CAR | |
| CN204513368U (en) | A kind of CFB Boiler road | |
| WO2008124875A1 (en) | Gas alarms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |