CN108107180B - High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment - Google Patents
High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment Download PDFInfo
- Publication number
- CN108107180B CN108107180B CN201711452028.9A CN201711452028A CN108107180B CN 108107180 B CN108107180 B CN 108107180B CN 201711452028 A CN201711452028 A CN 201711452028A CN 108107180 B CN108107180 B CN 108107180B
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- water bath
- coal sample
- bath box
- constant
- 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.)
- Active
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 32
- 239000003245 coal Substances 0.000 claims abstract description 84
- 229910052802 copper Inorganic materials 0.000 claims abstract description 80
- 239000010949 copper Substances 0.000 claims abstract description 80
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 12
- 238000009833 condensation Methods 0.000 claims abstract description 10
- 230000005494 condensation Effects 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000002528 anti-freeze Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002474 experimental method Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a high-low constant temperature gas diffusion initial speed and diffusion initial speed measuring device which comprises a temperature controller, a coal sample tank, a constant temperature water bath box body, a data line and an upper computer, wherein a copper pipe is arranged on the inner wall of the constant temperature water bath box body, one end of the copper pipe is connected with a first port of a four-way reversing valve, a second port of the four-way reversing valve is sequentially connected with an air-cooled condensation meter and a capillary tube through a conduit, the capillary tube is connected with the other end of the copper pipe to form a first loop, a third port of the four-way reversing valve is sequentially connected with a first electromagnetic valve, a compressor, a liquid storage tank and a drying filter through the conduit, a refrigerant is filled in the liquid storage tank, and the drying filter is connected with a fourth port of the four-way reversing valve through the conduit to form a second loop. The invention is suitable for making the initial velocity of coal diffusion and the initial velocity of coal diffusion under different constant temperature conditions (40 ℃ below zero to 100 ℃ above zero).
Description
Technical Field
The invention relates to equipment for measuring the initial speed and the diffusion initial speed of high-low constant temperature gas diffusion, and belongs to the technical field of experimental equipment.
Background
In recent years, coal mine safety problems are getting more and more attention from the society. For example, the life safety of workers is endangered, the occurrence of coal mine accidents is caused by the outburst of coal and gas, the experiments of isothermal diffusion initial velocity and diffusion initial velocity under different temperature conditions of coal are needed for research and control, and the analysis and research of the outburst condition of coal and gas under different temperature conditions are needed. For example, in order to solve the safety problem in production, a freezing method is sometimes required to be adopted when a well is built by a freezing method of a coal wall or a coal passing gate is crossed, so that a coal and gas outburst prediction experiment needs to be carried out by testing the initial coal discharge speed and the like of the coal in a low-temperature state to study whether an outburst prevention measure adopted by the method is effective in the exploitation process; the underground coal mine has deeper burial depth and geothermal energy, and the coal and gas outburst prediction is carried out by using the indexes of the initial velocity of the coal in the high-temperature and high-temperature state of the coal, so that the outburst risk analysis and research of the coal in the mining process are carried out, and the corresponding measures adopted in the coal mining process are carried out, thereby ensuring the safe production of the coal mine.
When the coal and gas outburst prediction experiment is carried out in the coal-making spreading initial speed and spreading initial speed experiment, the sample tank is often placed in a constant-temperature water tank in a high-temperature environment at more than 20 ℃ below zero or higher than normal temperature to cool or heat the sample tank. However, the conventional predictive experimental device is only carried out at normal temperature, that is, only at the temperature of the experimental room, and cannot complete experiments at more than minus 20 degrees or higher than normal temperature.
Disclosure of Invention
In order to solve the technical problems, the invention provides equipment for measuring the initial velocity of gas diffusion and the initial velocity of diffusion at high and low constant temperature, which can be used for measuring the initial velocity of coal diffusion and the initial velocity of diffusion at different constant temperatures, and the constant temperature can be from 40 ℃ below zero to 100 ℃ above zero, so that different experimental requirements are met.
The technical scheme of the invention is as follows: the utility model provides a high low constant temperature gas diffuses initial velocity and diffusion initial velocity measuring equipment, including agitator, temperature sensor, copper pipe, first solenoid valve, compressor, liquid storage pot, dry filter, forced air cooling condensation table, capillary, four-way reversing valve, first coupling hose, coal sample jar panel, air extraction device, second coupling hose, switch, pilot lamp, survey host computer, temperature controller, coal sample jar, constant temperature water bath box, first coupling copper pipe, data line and host computer, the copper pipe connects compressor, liquid storage pot, dry filter, forced air cooling condensation table, capillary, four-way reversing valve in series respectively, and the refrigerant flows in the copper pipe; the spiral section of the copper pipe in the constant temperature water bath box body plays a role in transferring the heat or cold of the refrigerant in the pipe. The four-way reversing valve is provided with four ports, when the four-way reversing valve is not used for reversing, one pair of ports is communicated, the other pair of ports is closed, after reversing, one pair of ports is closed, and the other pair of ports is opened, so that the effect of changing the flow direction of the refrigerant is achieved. Simultaneously, placed the coal sample jar panel in the constant temperature water bath box, placed the coal sample jar on the coal sample jar panel, the coal sample jar is connected with the one end of first connection copper pipe through first coupling hose, the other end of first connection copper pipe passes the constant temperature water bath box after being connected with the entrance point of the survey host computer of constant temperature water bath box outside, the exit end of survey host computer is connected with air exhaust device through the second coupling hose, is provided with switch and temperature controller on the survey host computer respectively, temperature controller pass through wire and the internal temperature sensor electric connection of constant temperature water bath box, switch passes through the wire and is connected with the compressor, the survey host computer passes through the data line and is connected with the host computer.
Two stirrers are arranged at the bottom in the constant-temperature water bath box body.
And a fourth electromagnetic valve is arranged at one end, close to the measuring host, of the first connecting copper pipe.
The first connecting copper pipe is connected with a second connecting copper pipe, a third electromagnetic valve is arranged on the second connecting copper pipe, and an air bag is connected to the outlet end of the second connecting copper pipe.
The utility model provides a coal sample jar panel pass through the support and support in the constant temperature water bath box, offered two or more standing grooves in one side of coal sample jar panel, the coal sample jar is laid in the standing groove, every coal sample jar is connected with the main copper pipe of coal sample jar panel opposite side through an solitary branch copper pipe, main copper pipe is connected with first connection copper pipe through first coupling hose, all is provided with the second solenoid valve on every branch copper pipe, the second solenoid valve links to each other with the pilot lamp that corresponds on the survey host computer through the wire respectively.
The copper pipe spirally and circularly ascends or descends along the inner wall of the constant-temperature water bath box body at the inner wall part of the constant-temperature water bath box body.
The constant temperature water bath box body is internally filled with water added with antifreeze.
By adopting the technical scheme, the invention has the advantages that: the invention monitors the temperature in the box body through the temperature sensor in the constant-temperature water bath box body, transmits the temperature value to the temperature controller, and then controls the start and stop of the compressor through the temperature controller, thereby achieving the purpose of controlling the temperature in the constant-temperature water bath box body. Meanwhile, when a designated coal sample tank is required to be selected for experiments, the designated coal sample tank can be correspondingly selected according to the indicator lamp on the measuring host, and the corresponding second electromagnetic valve is opened, so that the method is convenient and quick. When the gas in the coal sample tank needs to be pumped out, a fourth electromagnetic valve on the first connecting copper pipe is opened, and a third electromagnetic valve on the second connecting copper pipe is closed; when the coal sample tank is required to be inflated, the third electromagnetic valve on the second connecting copper pipe is opened, the fourth electromagnetic valve on the first connecting copper pipe is closed, and thus, the initial diffusion speed experiment of coal can be carried out. When the coal sample tanks need to be diffused one by one, the second electromagnetic valves on the corresponding coal sample tanks are opened, the second electromagnetic valves on other coal sample tanks are closed, the fourth electromagnetic valve on the copper first connecting copper pipe is opened, and the third electromagnetic valve on the second connecting copper pipe is closed, so that the initial speed experiment of coal diffusion can be performed. The invention is suitable for making the initial velocity of coal diffusion and the initial velocity of coal diffusion under different constant temperature conditions (40 ℃ below zero to 100 ℃ above zero).
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the front structure of a coal sample tank panel;
fig. 3 is a schematic view of the back structure of a coal sample tank panel.
Reference numerals illustrate: 1-stirrer, 2-temperature sensor, 3-copper pipe, 4-first solenoid valve, 5-compressor, 6-liquid storage pot, 7-drier filter, 8-forced air cooling condensation table, 9-capillary, 10-four way reversing valve, 11-first connecting hose, 12-coal sample pot panel, 13-air extraction device, 14-second connecting hose, 15-switch, 16-pilot lamp, 17-measuring host computer, 18-temperature controller, 19-coal sample pot, 20-main copper pipe, 21-second solenoid valve, 22-branch copper pipe, 23-constant temperature water bath box, 24-support, 25-first connecting copper pipe, 26-third solenoid valve, 27-fourth solenoid valve, 28-air pocket, 29-data line, 30-upper computer, 31-second connecting copper pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples.
Embodiments of the invention: the structure schematic diagrams of the high-low constant temperature gas diffusion initial speed and diffusion initial speed measuring equipment are shown in fig. 1-3, the high-low constant temperature gas diffusion initial speed and diffusion initial speed measuring equipment comprises a stirrer 1, a temperature sensor 2, a copper pipe 3, a first electromagnetic valve 4, a compressor 5, a liquid storage tank 6, a dry filter 7, an air-cooled condensation table 8, a capillary 9, a four-way reversing valve 10, a first connecting hose 11, a coal sample tank panel 12, an air extractor 13, a second connecting hose 14, a power switch 15, an indicator lamp 16, a measuring host 17, a temperature controller 18, a coal sample tank 19, a constant temperature water bath box 23, a first connecting copper pipe 25, a data wire 29 and an upper computer 30, wherein the constant temperature water bath box 23 is filled with water added with antifreeze, and the copper pipe 3 connects the compressor 5, the liquid storage tank 6, the dry filter 7, the air-cooled condensation table 8, the capillary 9 and the four-way reversing valve 10 in series, and the refrigerant flows in the copper pipe 3; the copper pipe 3 spirally rises or descends along the inner wall of the water tank body at the inner wall part of the constant-temperature water bath box body 23, and the spiral section of the copper pipe 3 in the constant-temperature water bath box body 23 plays a role in transferring the heat or cold of the refrigerant in the water supply pipe; the four-way reversing valve 10 has four ports, when not reversing, one pair of ports is communicated, the other pair of ports is closed, after reversing, one pair of ports is closed, and the other pair of ports is opened, and the four-way reversing valve has the function of changing the flow direction of the refrigerant. Meanwhile, a coal sample tank panel 12 is placed in the constant-temperature water bath box body 23, a coal sample tank 19 is placed on the coal sample tank panel 12, the coal sample tank 19 is connected with one end of a first connection copper pipe 25 through a first connection hose 11, the other end of the first connection copper pipe 25 penetrates through the constant-temperature water bath box body 23 and then is connected with the inlet end of a measuring host 17 outside the constant-temperature water bath box body 23, the outlet end of the measuring host 17 is connected with an air extractor 13 through a second connection hose 14, a power switch 15 and a temperature controller 18 are respectively arranged on the measuring host 17, the temperature controller 18 is electrically connected with a temperature sensor 2 in the constant-temperature water bath box body 23 through wires, the power switch 15 is connected with a compressor 5 through wires, and the measuring host 17 is connected with an upper computer 30 through a data wire 29. Two stirrers 1 are arranged at the bottom in the constant temperature water bath box body 23. A fourth electromagnetic valve 27 is arranged at one end of the first connecting copper pipe 25 near the measuring host 17. The first copper connecting pipe 25 is connected with a second copper connecting pipe 31, the second copper connecting pipe 31 is provided with a third electromagnetic valve 26, and the outlet end of the second copper connecting pipe 31 is connected with an air bag 28. The coal sample tank panel 12 is supported in the constant temperature water bath box body 23 through the support 24, 6 standing grooves are formed in one side of the coal sample tank panel 12, the coal sample tanks 19 are placed in the standing grooves, each coal sample tank 19 is connected with the main copper pipe 20 on the other side of the coal sample tank panel 12 through an independent branch copper pipe 22, the main copper pipe 20 is connected with the first connecting copper pipe 25 through the first connecting hose 11, the second electromagnetic valve 21 is arranged on each branch copper pipe 22, and the second electromagnetic valve 21 is connected with the corresponding indicator lamp 16 on the measuring host 17 through wires. The copper pipe 3 is of a spiral structure, and the copper pipe 3 is arranged along the inner wall of the constant-temperature water bath box 23 in a surrounding mode.
The invention relates to a constant temperature water bath box 23 temperature control principle:
The four-way reversing valve 10 of the invention plays a role in reversing the refrigerant, and when the water with antifreeze is needed to be added into the constant-temperature water bath box body 23 for cooling, the refrigerant comprises: the method comprises the steps of a liquid storage tank 6, a compressor 5, a first electromagnetic valve 4, a four-way reversing valve 10, an air-cooled condensing meter 8, a capillary 9, a four-way reversing valve 10, a drying filter 7 and a liquid storage tank 6, wherein the constant-temperature water bath tank 23 is used as an evaporator in the process, liquid refrigerant in the copper pipe 3 in the tank absorbs heat of water in the constant-temperature water bath tank 23 through dividing wall type heat transfer, so that the water temperature is reduced, the liquid refrigerant is changed into steam from liquid state, the air-cooled condensing meter 8 is used as a condenser to cool and decompress high-temperature and high-pressure gaseous refrigerant, and the released heat is taken away along with wind flow; when the temperature needs to be raised for the water with antifreeze in the constant temperature water bath box 23, the refrigerant is formed by the reversing action of the four-way reversing valve 10: the method comprises the steps of a liquid storage tank 6, a compressor 5, a first electromagnetic valve 4, a four-way reversing valve 10, a copper pipe 3 in a constant-temperature water bath box 23, a capillary 9, an air-cooled condensation table 8, a four-way reversing valve 10, a drying filter 7 and a liquid storage tank 6, wherein the constant-temperature water bath box 23 is used as a condenser in the process, high-temperature high-pressure refrigerant steam in the copper pipe 3 transfers heat to water in the constant-temperature water bath box 23 through dividing wall type heat transfer, the temperature of the water in the constant-temperature water bath box 23 is increased due to heat, the high-temperature high-pressure refrigerant is changed into low-temperature low-pressure liquid refrigerant from gaseous steam, the air-cooled condensation table 8 is used as an evaporator at the moment, and the air-cooled condensation table 8 transfers heat in wind flow to the refrigerant to evaporate the liquid refrigerant into gaseous refrigerant.
The invention monitors the temperature in the box body through the temperature sensor 2 in the constant-temperature water bath box body 23, transmits the temperature value to the temperature controller 18, and then controls the start and stop of the compressor through the temperature controller 18, thereby achieving the purpose of controlling the temperature in the constant-temperature water bath box body 23, having the advantages of convenient operation, accurate temperature control and wide temperature range, being suitable for the experiments of the initial speed of coal making and diffusing and the initial speed of gas making and carrying out the prediction of the outburst of coal and gas under different temperatures.
The invention relates to a working principle for measuring the initial velocity of gas diffusion and diffusion of coal:
The invention monitors the temperature in the box body through the temperature sensor 2 in the constant-temperature water bath box body 23, transmits the temperature value to the temperature controller 18, and controls the start and stop of the compressor 5 through the temperature controller 18, thereby achieving the purpose of controlling the temperature in the constant-temperature water bath box body 23. Meanwhile, when the designated coal sample tank 19 is required to be selected for experiments, the corresponding selection can be performed according to the indicator lamp 16 on the measuring host 17, and the corresponding second electromagnetic valve 21 is opened, so that the method is convenient and quick. When the gas in the coal sample tank 19 needs to be pumped out, the fourth electromagnetic valve 27 on the first connecting copper pipe 25 is opened, and the third electromagnetic valve 26 on the second connecting copper pipe 31 is closed; when the coal sample tank 19 is required to be inflated, the third electromagnetic valve 26 on the second connecting copper pipe 31 is opened, and the fourth electromagnetic valve 27 on the first connecting copper pipe 25 is closed, so that an initial diffusion speed experiment of coal can be performed. When the coal sample tanks 19 are required to be diffused one by one, the second electromagnetic valves 21 on the corresponding coal sample tanks 19 are opened, the second electromagnetic valves 21 on the other coal sample tanks 19 are closed, the fourth electromagnetic valve 27 on the copper first connecting copper pipe 25 is opened, and the third electromagnetic valve 26 on the second connecting copper pipe 31 is closed, so that an initial speed experiment of coal diffusion can be performed. The invention is suitable for making the initial velocity of the coal diffusion and the initial velocity of the coal diffusion from 40 ℃ below zero to 100 ℃ above zero under different constant temperature conditions.
After the completion of the experiment, the experimental data in the measurement host 17 was introduced into the host computer 30, and the initial coal velocity were calculated by the host computer 30.
Claims (1)
1. The utility model provides a high low constant temperature gas diffuses initial velocity and diffusion initial velocity measuring equipment, including agitator (1), temperature sensor (2), copper pipe (3), first solenoid valve (4), compressor (5), reservoir (6), drier-filter (7), forced air cooling condensation table (8), capillary (9), cross switching-over valve (10), first coupling hose (11), coal sample jar panel (12), air exhaust device (13), second coupling hose (14), switch (15), pilot lamp (16), survey host computer (17), temperature controller (18), coal sample jar (19), constant temperature water bath box (23), first coupling copper pipe (25), data line (29) and host computer (30), its characterized in that: the copper pipe (3) is used for respectively connecting the compressor (5), the liquid storage tank (6), the drying filter (7), the air-cooled condensing meter (8), the capillary tube (9) and the four-way reversing valve (10) in series, and the refrigerant flows in the copper pipe (3); a coal sample tank panel (12) is placed in a constant-temperature water bath box body (23), a coal sample tank (19) is placed on the coal sample tank panel (12), the coal sample tank (19) is connected with one end of a first connecting copper pipe (25) through a first connecting hose (11), the other end of the first connecting copper pipe (25) passes through the constant-temperature water bath box body (23) and then is connected with the inlet end of a measuring host machine (17) at the outer side of the constant-temperature water bath box body (23), the outlet end of the measuring host machine (17) is connected with an air extractor (13) through a second connecting hose (14), a power switch (15) and a temperature controller (18) are respectively arranged on the measuring host machine (17), the temperature controller (18) is electrically connected with a temperature sensor (2) in the constant-temperature water bath box body (23) through a wire, the power switch (15) is connected with a compressor (5) through a wire, and the measuring host machine (17) is connected with an upper computer (30) through a data wire (29); two stirrers (1) are arranged at the bottom in the constant-temperature water bath box body (23); the copper pipe (3) spirally and circularly ascends or descends along the inner wall of the constant-temperature water bath box body (23); the constant temperature water bath box body (23) is filled with water added with antifreeze; a fourth electromagnetic valve (27) is arranged at one end, close to the measuring host (17), of the first connecting copper pipe (25); a second connecting copper pipe (31) is connected to the first connecting copper pipe (25), a third electromagnetic valve (26) is arranged on the second connecting copper pipe (31), and an air bag (28) is connected to the outlet end of the second connecting copper pipe (31); the utility model provides a coal sample jar panel (12) support in thermostatic water bath box (23) through support (24), two or more standing grooves have been seted up in one side of coal sample jar panel (12), coal sample jar (19) are laid in the standing groove, every coal sample jar (19) are connected with main copper pipe (20) of coal sample jar panel (12) opposite side through an solitary branch copper pipe (22), main copper pipe (20) are connected with first connection copper pipe (25) through first coupling hose (11), all be provided with second solenoid valve (21) on every branch copper pipe (22), second solenoid valve (21) are continuous with pilot lamp (16) that correspond on survey host computer (17) through the wire respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711452028.9A CN108107180B (en) | 2017-12-28 | 2017-12-28 | High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711452028.9A CN108107180B (en) | 2017-12-28 | 2017-12-28 | High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108107180A CN108107180A (en) | 2018-06-01 |
| CN108107180B true CN108107180B (en) | 2024-05-07 |
Family
ID=62213626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711452028.9A Active CN108107180B (en) | 2017-12-28 | 2017-12-28 | High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107180B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247011A (en) * | 2017-07-26 | 2017-10-13 | 贵州大学 | A kind of Special constant temperature tank |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295615Y (en) * | 2008-06-02 | 2009-08-26 | 湖南大学 | High-precision intelligent thermostatic water bath apparatus |
| CN201583077U (en) * | 2009-12-17 | 2010-09-15 | 张明亮 | Simple constant-temperature preserving equipment |
| WO2010120018A1 (en) * | 2009-04-15 | 2010-10-21 | 주식회사 엔케이 | Gas-filling system having a residual-gas compression device, and residual-gas compression method |
| CN202049101U (en) * | 2011-05-09 | 2011-11-23 | 中国石油化工股份有限公司 | Constant-temperature water bath cooling system |
| CN203971978U (en) * | 2014-08-22 | 2014-12-03 | 桐乡恒基生物股份有限公司 | Constant temperature water bath apparatus |
| CN105588929A (en) * | 2016-03-20 | 2016-05-18 | 贵州大学 | Water bath constant-temperature methane diffusion determination system |
| CN105699248A (en) * | 2016-03-20 | 2016-06-22 | 贵州大学 | Improved gas emission speed measurement method and system |
| CN105865971A (en) * | 2016-04-26 | 2016-08-17 | 贵州大学 | Improved determining instrument for initial velocity of gas emission |
| CN107247011A (en) * | 2017-07-26 | 2017-10-13 | 贵州大学 | A kind of Special constant temperature tank |
| CN207623329U (en) * | 2017-12-28 | 2018-07-17 | 贵州大学 | A kind of height constant temperature gas diffusion initial speed and diffusion initial speed determination device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7771657B2 (en) * | 2002-06-19 | 2010-08-10 | Biosensor Applications Sweden Ab | System, device and method for detection of several individual analytes in a solution, and a disposable flow cell for use therein |
-
2017
- 2017-12-28 CN CN201711452028.9A patent/CN108107180B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295615Y (en) * | 2008-06-02 | 2009-08-26 | 湖南大学 | High-precision intelligent thermostatic water bath apparatus |
| WO2010120018A1 (en) * | 2009-04-15 | 2010-10-21 | 주식회사 엔케이 | Gas-filling system having a residual-gas compression device, and residual-gas compression method |
| CN201583077U (en) * | 2009-12-17 | 2010-09-15 | 张明亮 | Simple constant-temperature preserving equipment |
| CN202049101U (en) * | 2011-05-09 | 2011-11-23 | 中国石油化工股份有限公司 | Constant-temperature water bath cooling system |
| CN203971978U (en) * | 2014-08-22 | 2014-12-03 | 桐乡恒基生物股份有限公司 | Constant temperature water bath apparatus |
| CN105588929A (en) * | 2016-03-20 | 2016-05-18 | 贵州大学 | Water bath constant-temperature methane diffusion determination system |
| CN105699248A (en) * | 2016-03-20 | 2016-06-22 | 贵州大学 | Improved gas emission speed measurement method and system |
| CN105865971A (en) * | 2016-04-26 | 2016-08-17 | 贵州大学 | Improved determining instrument for initial velocity of gas emission |
| CN107247011A (en) * | 2017-07-26 | 2017-10-13 | 贵州大学 | A kind of Special constant temperature tank |
| CN207623329U (en) * | 2017-12-28 | 2018-07-17 | 贵州大学 | A kind of height constant temperature gas diffusion initial speed and diffusion initial speed determination device |
Non-Patent Citations (2)
| Title |
|---|
| 基于DSP恒温水浴温度复合智能控制方法;戴卫军;唐燕妮;;计算机测量与控制(第03期);全文 * |
| 煤样瓦斯放散性能多因素敏感性试验研究;林海飞;丁智超;李树刚;蔚文斌;严敏;;安全与环境学报(第04期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108107180A (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015271890B2 (en) | Ground cold exchange injection system and coal reservoir phase change reconstructing method | |
| CN103939323B (en) | On-line measurement test device for oil circulation rate of refrigeration compressor controlled by parallel oil levels | |
| CN108107180B (en) | High low constant temperature gas diffusion initial velocity and diffusion initial velocity measuring equipment | |
| CN107196012A (en) | A kind of cold and hot fluid circulation for electrokinetic cell bench test | |
| CN205203423U (en) | Refrigerating system suitable for aircraft fuel oil system icing tests | |
| CN207623329U (en) | A kind of height constant temperature gas diffusion initial speed and diffusion initial speed determination device | |
| CN103216912B (en) | Cooling tower is utilized to obtain the method for low cold width cooling water | |
| CN205483538U (en) | Low temperature low discharge servovalve static test device | |
| CN106122173B (en) | Industrial hydraulic oil refrigeration machine is used for the cool-down method of equipment heat source | |
| CN207623175U (en) | A kind of absorption constant measurement device of high/low temperature coal | |
| CN104864532A (en) | Buried pipe natural cold source data machine room natural cooling heat pipe system | |
| CN218268498U (en) | Constant-temperature lubricating station for mine hoist | |
| CN206399870U (en) | Semi-rigid base course material freezing-thawing test machine | |
| CN107961826A (en) | A kind of abundant device of thermostatted water | |
| CN105717965B (en) | Constant temperature and pressure recirculated water automatic control system for fluid structure interaction mode experiment | |
| CN109141952B (en) | Performance testing device and method for middle-deep layer U-shaped well type heat exchanger | |
| CN107884308A (en) | A kind of absorption constant sensing equipment of high/low temperature coal | |
| CN202709582U (en) | Temperature control device for inlet of industrial refrigeration compressor | |
| CN210718191U (en) | Carbon dioxide cascade refrigerating system environment simulation device | |
| CN220556218U (en) | Refrigerating system and detecting system | |
| CN221301665U (en) | Refrigerant recovery system for refrigeration equipment test | |
| RU131078U1 (en) | STAND FOR RESEARCH OF CONDITIONS OF LIFT LIFT WITH USE OF GAS | |
| CN205562191U (en) | High temperature heat pump and low temperature generating set capability test system | |
| CN114577849B (en) | Laboratory test model device and test method for performance of frozen pipe insulation materials under ground stress | |
| CN201917539U (en) | Vehicle-mounted testing instrument for testing geological thermal physical parameter of ground source heat pump |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |