CN205506731U - Pressurized coal body oxidation of coal intensification performance parameters surveys device - Google Patents
Pressurized coal body oxidation of coal intensification performance parameters surveys device Download PDFInfo
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- CN205506731U CN205506731U CN201620237140.5U CN201620237140U CN205506731U CN 205506731 U CN205506731 U CN 205506731U CN 201620237140 U CN201620237140 U CN 201620237140U CN 205506731 U CN205506731 U CN 205506731U
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Abstract
The utility model relates to a pressurized coal body oxidation of coal intensification performance parameters surveys device, effectively solve pressurized coal body oxidation of coal intensification performance parameters's survey problem, the external wall of reation kettle has the heating plate that links to each other with the 2nd temperature programming temperature controller, the heating plate has the heat preservation outward, the last temperature sensor that has covered of reation kettle, the admission line and the pipeline of giving vent to anger, temperature sensor meets temperature acquisition module, gas preheater and admission line, the gas cylinder intercommunication, a temperature programming temperature controller links to each other, the pipeline of giving vent to anger connects the gas chromatograph appearance, there are displacement sensor and first manometer on the wall of reation kettle side, the coal column is equipped with to piston upper end in the hydro -cylinder of reation kettle bottom, the piston lower extreme stretches out, about the hydro -cylinder two ones through first, second oil circuit pipeline and pressurization system intercommunication, a temperature collecting module, the gas chromatograph appearance, displacement sensor, the 2nd temperature programming temperature controller links with the computer, the utility model discloses degree of automation is high, and measuring result is reliably stable, and easy to operate is effectual.
Description
Technical field
This utility model relates to a kind of pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device.
Background technology
Coal Fire Fields is the puzzlement mankind and a big disaster of environment.China's coal-field fire burning area has reached 720km according to statistics2, the most directly burning mistake coal reserves is more than 20,000,000 tons, collateral damage coal resources 200,000,000 tons.According to preresearch estimates, coalfield selfcombustion the most at least causes the economic loss of 20,000,000,000 yuan.In the coal-field fire of China, the most serious with Xinjiang coalfield's fire, according to statistics, coalfield and the mining area of northern China burning have 62 pieces, and wherein Xinjiang is just distributed within the border just has at 35.In the world, there is subterranean coal combustion phenomena the most to some extent in all producing coal states, start Coal Fire Fields from last century and successively form disaster in Britain, the U.S., India, Australia, Indonesia and China, and wherein Coal Fire Fields situation with China, India and state of Indonesia three is the severeest.
Coal-field fire deposits huge harm: one, and Coal Fire Fields causes the Coal Loss of more than 20,000,000 tons every year, seals substantial amounts of coal resources up for safekeeping simultaneously, is a kind of destruction greatly and waste to non-renewable coal resources；Two, the most easily there is explosion accident in Coal Fire Fields release hydrocarbon gas, has a strong impact on Safety of Coal Mine Production, and these toxic and harmfuls not only aggravate greenhouse effect in addition, and endanger human health；Three, a large amount of burnings of coal-field fire, while consuming coal resources, due to coal petrography temperature distortion, the staggered growth in crack, easily cause surface subsidence, destroy vegetation, and adverse condition, the living environment to mining area causes very big potential safety hazard.
Mostly current existing assay method is to carry out oxidation intensification experiment determine the ignition quality of coal for broken coal, particulate coal.Mostly Coal Fire Fields is what coal body oxidation intensification of coal under loaded condition was formed, and existing coal spontaneous combustion characteristic test method then cannot realize the test of coal body oxidation temperature-raising characteristic parameter under pressure.If there is a kind of device to realize coal body loading and heating up the most simultaneously, then can realize the oxidation temperature-raising characteristic parameter testing of pressurized coal body.Gu realize the stream to coal body--overabundant heat field coupling experiment research, provide strong experiment parameter by the judgement hiding the mechanism that coal seam coal spontaneous is got angry for shallow embedding.
Summary of the invention
For above-mentioned situation, for overcoming prior art defect, the purpose of this utility model is just to provide a kind of pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device, can effectively solve the mensuration problem of pressurized coal body oxidation of coal temperature-raising characteristic parameter.
nullThis utility model solves technical scheme，Reactor is by reaction kettle body、Reactor upper cover、Reactor is gone to the bottom composition，Reaction kettle body is the hollow body with inner chamber，Reactor upper cover and reactor are gone to the bottom and are sealed in upper oral part and the infraoral of reaction kettle body respectively，Heating plate is had on reaction kettle body outer wall，Heating plate outer wrap responds still heat-insulation layer，Heating plate is connected with the second temperature programming temperature controller outside reaction kettle body，Cover on reactor and be provided with the temperature sensor that autoreaction kettle inner chamber stretches out、Admission line and outlet pipe，The free end jointing temp acquisition module of temperature sensor，Admission line is connected on one end of gas preheater，The other end of gas preheater connects with gas cylinder through flow controller，Gas preheater is connected on the first temperature programming temperature controller，Outlet pipe is connected on gas chromatographicanalyzer，Reaction kettle body sidewall is provided with the displacement transducer with reaction kettle body intracavity inter-connection and measures the first Pressure gauge of reaction kettle body chamber pressure，The bottom that reactor is gone to the bottom is provided with oil cylinder，Oil cylinder is built with piston，Piston is to be linked together constituted by upper piston rod above cock body and cock body and below and lower piston rod，The upper end autoreaction still of upper piston rod is gone to the bottom and is vertically put in reaction kettle body inner chamber，The upper end of upper piston rod is vertically equipped with coal column，The upper-end contact of coal column is to the inwall of reactor upper cover，The lower end of lower piston rod vertically extends downwards from the bottom of oil cylinder，Cock body is laterally disposed in oil cylinder，The outer wall of cock body and oil cylinder are in close contact，Oil cylinder is partitioned into upper and lower two parts，Two parts up and down of oil cylinder are respectively through the first oil line pipe、Second oil line pipe is connected with compression system，The structure of compression system is，One end of oil storage cabin connects with one end of axial pump，Two ends of oil storage cabin connect the 4th oil line pipe，The three-terminal link of oil storage cabin has the 5th oil line pipe，Two ends of axial pump connect the 3rd oil line pipe，The outer end of the 3rd oil line pipe connects with the vertical end of first tee T，Second, wherein one end in the horizontal ends of first tee T tee T respectively with the 4th oil line pipe、First oil line pipe connection，The other end in the horizontal ends of first tee T is through the 3rd tee T respectively with the second oil line pipe、5th oil line pipe connection，The horizontal ends both sides of first tee T have multiple needle valve respectively，Temperature collect module、Gas chromatographicanalyzer、Displacement transducer、Second temperature programming temperature controller is all connected with on computers.
This utility model is applicable to the ignition quality parameter testing of coal body, and automaticity is high, and measurement result is reliable and stable, easily operates, effective, can realize coal body test of the heating and oxidation characterisitic parameter of coal under different artesian conditions in high-pressure atmosphere.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
nullBe given by Fig. 1，Structure of the present utility model is，Reactor is by reaction kettle body 15、Reactor upper cover 16、Reactor is gone to the bottom 17 compositions，Reaction kettle body is the hollow body with inner chamber，Reactor upper cover and reactor are gone to the bottom and are sealed in upper oral part and the infraoral of reaction kettle body respectively，Heating plate 12 is had on reaction kettle body outer wall，Heating plate outer wrap responds still heat-insulation layer 14，Heating plate 12 is connected with the second temperature programming temperature controller 25 outside reaction kettle body，Cover on reactor and be provided with the temperature sensor 22 that autoreaction kettle inner chamber stretches out、Admission line B and outlet pipe D，The free end jointing temp acquisition module 23 of temperature sensor，Admission line B is connected on one end of gas preheater 7，The other end of gas preheater connects with gas cylinder 1 through flow controller 5，Gas preheater is connected on the first temperature programming temperature controller 11，Outlet pipe D is connected on gas chromatographicanalyzer 10，Reaction kettle body sidewall is provided with the displacement transducer 24 with reaction kettle body intracavity inter-connection and measures the first Pressure gauge 13 of reaction kettle body chamber pressure，The bottom that reactor is gone to the bottom is provided with oil cylinder 20，Oil cylinder is built with piston 21，Piston is to be linked together constituted by upper piston rod above cock body and cock body and below and lower piston rod，The upper end autoreaction still of upper piston rod is gone to the bottom and is vertically put in reaction kettle body inner chamber，The upper end of upper piston rod is vertically equipped with coal column 32，The upper-end contact of coal column is to the inwall of reactor upper cover，The lower end of lower piston rod vertically extends downwards from the bottom of oil cylinder，Cock body is laterally disposed in oil cylinder，The outer wall of cock body and oil cylinder are in close contact，Oil cylinder is partitioned into upper and lower two parts，Two parts up and down of oil cylinder are respectively through the first oil line pipe F、Second oil line pipe H is connected with compression system，The structure of compression system is，One end of oil storage cabin 26 connects with one end of axial pump 28，Two ends of oil storage cabin connect the 4th oil line pipe G，The three-terminal link of oil storage cabin has the 5th oil line pipe A，Two ends of axial pump connect the 3rd oil line pipe E，The outer end of the 3rd oil line pipe E connects with the vertical end of first tee T，Second, wherein one end in the horizontal ends of first tee T tee T respectively with the 4th oil line pipe G、First oil line pipe F connection，The other end in the horizontal ends of first tee T is through the 3rd tee T respectively with the second oil line pipe H、5th oil line pipe A connection，The horizontal ends both sides of first tee T have multiple needle valve respectively，Temperature collect module 23、Gas chromatographicanalyzer 10、Displacement transducer 24、Second temperature programming temperature controller 25 is both connected on computer 31.
Described reactor is placed on support 30, and reactor upper cover 16 and reactor are gone to the bottom 17 upper oral part and the infraorals being all sealed in reaction kettle body by screw 18 and sealing gasket 19.
It is connected with air relief valve 2, pressure maintaining valve 3, flow stabilizing valve 4 in turn on the described pipeline between gas cylinder 1 to flow controller.
Described outlet pipe D is connected on gas chromatographicanalyzer 10 through counterbalance valve 9.
Being cased with gas circuit heat-insulation layer 8 outside described admission line B to ensure pre-heat effect, gas circuit heat-insulation layer and reactor heat-insulation layer 14 are all made tubular structure by glass cotton or heat-preservation cotton.
The first described Pressure gauge is communicated with inside reactor by gas path pipe C.
The second Pressure gauge 29 is had on the second described oil line pipe H.
The guide rod of described displacement transducer 24 puts in and is close to inside reactor on coal column, and the working end of temperature sensor is close on coal column 32.
It is communicated with check valve 27 between described oil storage cabin 26 and axial pump.
The vertical end of second described tee T connects with the first oil line pipe F, and the vertical end of the 3rd tee T connects with the second oil line pipe H.
Described needle valve has 4, it is respectively the first needle valve, the second needle valve, the 3rd needle valve, the 4th needle valve, the first needle valve 33 is had second tee T side on 4th oil line pipe G, the second needle valve 6 is had the 3rd tee T side on 5th oil line pipe A, there is the 3rd needle valve 34 between second tee T and first tee T, between first tee T and the 3rd tee T, have the 4th needle valve 35.
Described gas preheater 7 is warming box, is prior art, such as Yancheng City Hua Bang alloy Electrical Appliances Co., Ltd XTDQ-HX laboratory level drying baker.
The first described temperature programming temperature controller 11 is identical with the structure of the second temperature programming temperature controller 25, is prior art, the LA-36 temperature programming temperature controller produced such as LOTUSANA Long Teng sage China.
Described warming box and the first temperature programming temperature controller link together composition programmable baking oven, programmable baking oven is prior art, as Shanghai and in instrument manufacturing company limited produce DHG-9240A programmable baking oven.
Described temperature collect module 23 is prior art, such as temperature acquisition card, moisture recorder etc., the SIN-R6000C colorful paper-free recorder humidity stress current/voltage electric quantity curve moisture recorder of moisture recorder such as sinomeasure.
Described flow controller 5 is prior art, such as the D07-7K gas mass flow controller of Sevenstar, D07-9E gas mass flow controller etc..
Described displacement transducer 24 is prior art, it it is the displacement transducer of range 0.5-5mm, WYDC-1L, WYDC-0.5D differential transformer displacement sensor produced such as KeYu sensor company limited of Hefei City, WYDC-2L, WYDC-1D differential transformer displacement sensor, WYDC-5L, WYDC-2.5D differential transformer displacement sensor.
Described displacement transducer 24 is connected with computer through data collecting card 36.
Described coal column is the column made by coal sample.
nullOperation principle of the present utility model is，Dress sample，Reactor upper cover 16 and reactor will go to the bottom and 17 open，After reactor inside is cleared up，Reactor is gone to the bottom and 17 installs back in situ，It is placed on support 30，By the upper end of the upper piston rod that coal column 32 is placed in reactor，Reactor upper cover 16 is installed，Ensure that temperature sensor 22 and displacement meter sensor 24 are close to coal column 32 simultaneously，By gas cylinder 1、Air relief valve 2、Pressure maintaining valve 3、Flow stabilizing valve 4、Flow controller 5、Gas preheater 7、Admission line B is sequentially connected with，By outlet pipe D、Counterbalance valve 9、Gas chromatographicanalyzer 10 is sequentially connected with，Close counterbalance valve 9，Open gas cylinder 1、Air relief valve 2、Pressure maintaining valve 3、Flow stabilizing valve 4、Flow controller 5，Owing to counterbalance valve 9 is closed，Flow controller 5 initial stage has registration，Registration is gradually reduced subsequently，When stable，Flow controller registration is that 0 expression reactor air-tightness is good，Otherwise，Then represent and there is gas leakage，Drain-source need to be searched；If reactor is airtight well, then opens counterbalance valve 9, and make the first Pressure gauge 13 of mensuration reaction kettle body chamber pressure be in experiment setup pressure value by regulation counterbalance valve 9, make flow controller 5 be in experiment setting value simultaneously.Coal column pressurizes, the 3rd needle valve 34 and the second needle valve 6 is made to be in the state of fastening, first needle valve 33 and the 4th needle valve 35 are in open mode, in oil storage cabin 26, hydraulic oil passes through axial pump through check valve 27, it is pressed into oil cylinder 20 lower part through the 3rd oil line pipe E, the second oil line pipe H, makes piston 21 shift up and coal column is pressurizeed；The pressurization initial stage records piston 21 and is placed in length x1 outside oil cylinder 20 when the second Pressure gauge 29 slightly registration, after coal column 32 being added to experiment setting pressure by axial pump 28 afterwards, closing the 4th needle valve 35 prevents hydraulic oil from refluxing, record now piston 21 simultaneously and be placed in length x2 outside oil cylinder 20, then can be calculated the axial strain of coal column by (x1 x2).Coal sample can cause its axial further strain due to the change of physical parameter in oxidation temperature-rise period, and the axial strain in test process can be placed in the length change outside oil cylinder 20 by piston 21 and obtain, and stress can be obtained by the second Pressure gauge registration.Also coal column can be made to maintain in test process in a certain pressure limit by either on or off the 4th needle valve 35 and axial pump 28 in test process.Gas circuit preheating is to control gas preheater 7 by the first temperature programming temperature controller 11 to preheat, and it is then to control heating plate 12 by the second temperature programming temperature controller 25 that reactor heats up, and heats reaction kettle body 15；During experiment, make gas preheater and reaction kettle body reach experiment by the first temperature programming temperature controller and the second temperature programming temperature controller and set steady temperature, set heating rate with experiment afterwards and heat up.Data acquisition refers to, the temperature data of coal column 32 is transferred to computer 31 by temperature collect module 23, the exit gas analytical data of reactor is transferred to computer 31 by gas chromatographicanalyzer 10, coal column 32 radial strain is transmitted to computer 31 by displacement transducer 24, second temperature programming temperature controller sends data to computer 31, when testing complete, close the first needle valve 33 and the 4th needle valve 35, open the 3rd needle valve 34 and the second needle valve 6, by axial pump 28, hydraulic oil is pressed into the upper part of oil cylinder 20, make piston 21 move down and realize release, simultaneously close off gas cylinder 1.
This utility model is applicable to the ignition quality parameter testing of coal body.By gas cylinder supply air as source of the gas, in the counterbalance valve of regulation air relief valve, flow stabilizing valve, flow controller and reactor outlet can make reactor, atmosphere is in certain pressure, and makes fresh gas flow pass through reactor with certain flow.Reactor constant temperature at different temperatures can be made by heating plate and the second temperature programming temperature controller or make reactor heat up with certain heating rate.The real time record to reactor internal temperature can be realized by temperature sensor, temperature collect module.By axial pump and check valve, the hydraulic oil in oil storage cabin being pressed into oil cylinder can promote piston to be upwards subjected to displacement, thus pressurizes coal column, and the second Pressure gauge being simultaneously connected with oil cylinder can show pressure registration such that it is able to control pressurization dynamics.Oil cylinder and the connection of oil storage cabin and independence can be realized, such that it is able to realize release by the needle valve between oil cylinder and oil storage cabin.Can be realized coal column and the measurement of reactor temperature and real time record by temperature sensor, temperature collect module.The measurement to coal column deformation quantity and real time record can be realized by displacement transducer and data collecting card.Gas volume fraction under different temperatures can be obtained by being connected with gas chromatograph by outlet pipe D.Feature of the present utility model is that can realize coal sample pressurizes in high-pressure atmosphere simultaneously and heat up, to temperature, pressure, coal body deformation quantity, the measurement of gas volume fraction parameter and record.This utility model automaticity is high, and measurement result is reliable and stable, can realize coal body test of the heating and oxidation characterisitic parameter of coal under different artesian conditions in high-pressure atmosphere.
Claims (10)
- null1. a pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device，It is characterized in that，Reactor is by reaction kettle body (15)、Reactor upper cover (16)、Reactor go to the bottom (17) composition，Reaction kettle body is the hollow body with inner chamber，Reactor upper cover and reactor are gone to the bottom and are sealed in upper oral part and the infraoral of reaction kettle body respectively，Heating plate (12) is had on reaction kettle body outer wall，Heating plate outer wrap responds still heat-insulation layer (14)，Heating plate (12) is connected with the second temperature programming temperature controller (25) outside reaction kettle body，Cover on reactor and be provided with the temperature sensor (22) that autoreaction kettle inner chamber stretches out、Admission line (B) and outlet pipe (D)，Free end jointing temp acquisition module (23) of temperature sensor，Admission line (B) is connected on one end of gas preheater (7)，The other end of gas preheater connects with gas cylinder (1) through flow controller (5)，Gas preheater is connected on the first temperature programming temperature controller (11)，Outlet pipe (D) is connected on gas chromatographicanalyzer (10)，Reaction kettle body sidewall is provided with the displacement transducer (24) with reaction kettle body intracavity inter-connection and measures first Pressure gauge (13) of reaction kettle body chamber pressure，The bottom that reactor is gone to the bottom is provided with oil cylinder (20)，Oil cylinder is built with piston (21)，Piston is to be linked together constituted by upper piston rod above cock body and cock body and below and lower piston rod，The upper end autoreaction still of upper piston rod is gone to the bottom and is vertically put in reaction kettle body inner chamber，The upper end of upper piston rod is vertically equipped with coal column (32)，The upper-end contact of coal column is to the inwall of reactor upper cover，The lower end of lower piston rod vertically extends downwards from the bottom of oil cylinder，Cock body is laterally disposed in oil cylinder，The outer wall of cock body and oil cylinder are in close contact，Oil cylinder is partitioned into upper and lower two parts，Two parts up and down of oil cylinder are respectively through the first oil line pipe (F)、Second oil line pipe (H) is connected with compression system，The structure of compression system is，One end of oil storage cabin (26) connects with one end of axial pump (28)，Two ends of oil storage cabin connect the 4th oil line pipe (G)，The three-terminal link of oil storage cabin has the 5th oil line pipe (A)，Two ends of axial pump connect the 3rd oil line pipe (E)，The outer end of the 3rd oil line pipe (E) connects with the vertical end of first tee T，Second, wherein one end in the horizontal ends of first tee T tee T respectively with the 4th oil line pipe (G)、First oil line pipe (F) connects，The other end in the horizontal ends of first tee T is through the 3rd tee T respectively with the second oil line pipe (H)、5th oil line pipe (A) connection，The horizontal ends both sides of first tee T have multiple needle valve respectively，Temperature collect module (23)、Gas chromatographicanalyzer (10)、Displacement transducer (24)、Second temperature programming temperature controller (25) is both connected on computer (31).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterized in that, described reactor is placed on support (30), reactor upper cover (16) and reactor go to the bottom (17) be all sealed in upper oral part and the infraoral of reaction kettle body by screw (18) and sealing gasket (19).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that be connected with air relief valve (2), pressure maintaining valve (3), flow stabilizing valve (4) on the pipeline between described gas cylinder (1) to flow controller in turn.
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that described outlet pipe (D) is connected on gas chromatographicanalyzer (10) through counterbalance valve (9)；Described admission line (B) outside is cased with gas circuit heat-insulation layer (8), gas circuit heat-insulation layer and reactor heat-insulation layer (14) and is all made tubular structure by glass cotton or heat-preservation cotton；The first described Pressure gauge is communicated with inside reactor by gas path pipe (C)；The second Pressure gauge (29) is had on described the second oil line pipe (H).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that the guide rod of described displacement transducer (24) puts in and is close to inside reactor on coal column, and the working end of temperature sensor is close on coal column (32).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that be communicated with check valve (27) between described oil storage cabin (26) and axial pump；The vertical end of second described tee T connects with the first oil line pipe (F), and the vertical end of the 3rd tee T connects with the second oil line pipe (H).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterized in that, described needle valve has 4, it is respectively the first needle valve, second needle valve, 3rd needle valve, 4th needle valve, the first needle valve (33) is had second tee T side on 4th oil line pipe (G), the second needle valve (6) is had the 3rd tee T side on 5th oil line pipe (A), the 3rd needle valve (34) is had between second tee T and first tee T, the 4th needle valve (35) is had between first tee T and the 3rd tee T.
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that described gas preheater (7) is warming box；The first described temperature programming temperature controller (11) is identical with the structure of the second temperature programming temperature controller (25)；Described warming box and the first temperature programming temperature controller link together and constitute programmable baking oven.
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that described displacement transducer (24) is connected with computer through data collecting card (36).
- Pressurized coal body oxidation of coal temperature-raising characteristic parametric measurement device the most according to claim 1, it is characterised in that described coal column is the column made by coal sample.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237140.5U CN205506731U (en) | 2016-03-26 | 2016-03-26 | Pressurized coal body oxidation of coal intensification performance parameters surveys device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620237140.5U CN205506731U (en) | 2016-03-26 | 2016-03-26 | Pressurized coal body oxidation of coal intensification performance parameters surveys device |
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| CN205506731U true CN205506731U (en) | 2016-08-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842280A (en) * | 2016-03-26 | 2016-08-10 | 河南理工大学 | Coal oxidization temperature increase characteristic parameter measurement apparatus for compressed coal mass |
| CN109541084A (en) * | 2018-11-28 | 2019-03-29 | 湖北航天化学技术研究所 | A kind of device of dynamic analysis detection gas-phase product |
-
2016
- 2016-03-26 CN CN201620237140.5U patent/CN205506731U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842280A (en) * | 2016-03-26 | 2016-08-10 | 河南理工大学 | Coal oxidization temperature increase characteristic parameter measurement apparatus for compressed coal mass |
| CN105842280B (en) * | 2016-03-26 | 2018-07-24 | 河南理工大学 | Compression coal body oxidation of coal temperature-raising characteristic parametric measurement device |
| CN109541084A (en) * | 2018-11-28 | 2019-03-29 | 湖北航天化学技术研究所 | A kind of device of dynamic analysis detection gas-phase product |
| CN109541084B (en) * | 2018-11-28 | 2021-11-16 | 湖北航天化学技术研究所 | Device for dynamically analyzing and detecting gas-phase product |
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