CN115445536A - Novel experiment method and experiment device for reaction of hydrogen and fluorine gas - Google Patents
Novel experiment method and experiment device for reaction of hydrogen and fluorine gas Download PDFInfo
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- CN115445536A CN115445536A CN202211140872.9A CN202211140872A CN115445536A CN 115445536 A CN115445536 A CN 115445536A CN 202211140872 A CN202211140872 A CN 202211140872A CN 115445536 A CN115445536 A CN 115445536A
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- gas
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 66
- 239000007789 gas Substances 0.000 title claims abstract description 36
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000011737 fluorine Substances 0.000 title claims abstract description 34
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 34
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000001257 hydrogen Substances 0.000 title claims abstract description 30
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 30
- 238000002474 experimental method Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title description 3
- 238000005259 measurement Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/002—Component parts of these vessels not mentioned in B01J3/004, B01J3/006, B01J3/02 - B01J3/08; Measures taken in conjunction with the process to be carried out, e.g. safety measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/006—Processes utilising sub-atmospheric pressure; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/03—Pressure vessels, or vacuum vessels, having closure members or seals specially adapted therefor
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention provides a novel experimental method for reaction of hydrogen and fluorine gas, which comprises the following steps: (1) Vacuumizing the reaction container by using a vacuum pump until a negative pressure value P1 is reached; (2) Controlling hydrogen to enter the reaction container by using a valve to reach a negative pressure value P2; (3) Controlling fluorine gas in the high-pressure container to enter a reaction container by using an electromagnetic valve, wherein the pressure value P4 (reaction initial environment pressure) is reached in the container; (4) Sensors and equipment are used to record reaction temperature, pressure, etc. The invention has the advantages and prominent technical effects that: (1) the experimental method provided by the invention has the advantages that the reaction dosage is easy to control, the experimental repeatability is strong, and the measured data is accurate; (2) on the basis of the reaction of hydrogen and fluorine, gas-solid-liquid multi-component fuel reagents are added to carry out multi-component mixing explosion reaction; (3) reaction data under different initial ambient pressures and ignition energies can be measured; (4) the device provided by the invention is convenient to operate and easy to control, and can provide a stable and safe reaction environment.
Description
Technical Field
The invention relates to a novel experimental method and an experimental device for reaction of hydrogen and fluorine gas.
Background
The hydrogen has the excellent performances of small density, high heat value and clean and pollution-free combustion products. Because hydrogen is inflammable and explosive, explosion accidents are easy to happen during production, storage, transportation and use, and a great amount of casualties and property loss can be caused. Fluorine is a strong oxidant, the chemical property of fluorine is extremely active, the chemical reaction of hydrogen and fluorine is abnormally violent, and a large amount of heat is generated in a short time, even the explosion is caused.
Hydrogen and fluorine react too vigorously, resulting in a sudden increase in heat in a short time and the release of heat and energy by explosion. Fluorine gas and hydrogen gas are gaseous, the molecular motion is fast, the fluorine gas and the hydrogen gas are in full contact, one is a very strong oxidizing substance (fluorine gas) and the other is a very strong reducing substance (hydrogen gas), and the fluorine gas and the hydrogen gas can react violently at low temperature to generate explosion to generate weak acid hydrofluoric acid. Explosion experiments on hydrogen and fluorine gases have been less studied.
In recent years, a large number of theories, experiments and numerical simulation researches on hydrogen explosion phenomena are carried out by a plurality of scholars, and the researches are mostly focused on the aspects of flame propagation, explosion parameters and the like at present. How to develop experimental study on the reaction characteristics of hydrogen and fluorine becomes a difficult scientific research subject, so that development of experimental study on the reaction of hydrogen and fluorine has important significance and value for development of the technologies.
Disclosure of Invention
The invention aims to solve the technical problems that hydrogen and fluorine react violently, the reactant quantity is difficult to control, the reaction pressure and temperature data are difficult to measure and the like. The method can effectively prevent accidental explosion and improve the system safety.
The invention provides a novel experimental method for reaction of hydrogen and fluorine gas, which comprises the following steps:
(1) Vacuumizing the reaction container by using a vacuum pump until a negative pressure value P1 is reached;
(2) Controlling hydrogen to enter a reaction container by using a valve to reach a negative pressure value P2;
(3) Controlling fluorine gas in the high-pressure container to enter a reaction container by using an electromagnetic valve, wherein the pressure value P4 (reaction initial environment pressure) is reached in the container;
(4) Sensors and equipment are used to record reaction temperature, pressure, etc.
In step (1), vacuum is drawn to control the amount of air, mainly oxygen and nitrogen, involved in the reaction.
In the step (2), the hydrogen dosage required by the reaction can be controlled, meanwhile, solid powder, liquid or a solid-liquid mixture can be added into a storage hopper, and cloud mist with a certain concentration is formed in a reaction container through high-pressure pneumatics to participate in the reaction.
Step (3) while the fluorine gas is introduced into the reaction vessel through the high-pressure vessel, different initial ignition energies may be provided to the reaction by the ignition device.
And (5) according to experimental requirements, different types of sensors can be arranged at different positions according to the acquired data in the step (4).
The invention also provides a novel device for the reaction of hydrogen and fluorine gas, which comprises a reaction system, a gas supply system, a control system and a measurement system; wherein the reaction system and the tail gas treatment system are connected through a gas pipe with a tail gas valve; the reaction system comprises a reaction vessel, two high-pressure vessels, a connecting pipeline and a valve, wherein the reaction vessel is connected with a pressure gauge, a safety valve and an ignition rod; the gas supply system comprises a hydrogen storage tank, a fluorine storage tank, an air storage tank, a connecting pipeline and a valve; the control system comprises a synchronous device control cabinet, a high-voltage control device and a control circuit; the data measurement system comprises a temperature sensor, a pressure sensor, a data acquisition card, a signal amplifier, a signal conditioning device, an oscilloscope, a computer and a software program.
The invention has the advantages and prominent technical effects that: (1) the experimental method provided by the invention has the advantages that the reaction dosage is easy to control, the experimental repeatability is strong, and the measured data is accurate; (2) on the basis of the reaction of hydrogen and fluorine, gas-solid-liquid multi-component fuel reagents are added to carry out multi-component mixing explosion reaction; (3) reaction data under different initial ambient pressures and ignition energies can be measured; (4) the device provided by the invention is convenient to operate and easy to control, and can provide a stable and safe reaction environment.
Drawings
FIG. 1 is a schematic diagram of a novel experimental apparatus for reaction of hydrogen and fluorine gas according to the present invention
FIG. 2 is a schematic diagram of a control system of the novel experimental apparatus of the present invention
FIG. 3 is a schematic diagram of a data measurement system of the novel experimental apparatus of the present invention
The list of labels in the figure is: 1-a reaction vessel; 2. 3-a high pressure vessel; 4-a vacuum pump; 5-compressed air tank; 6-fluorine gas tank; 7-a hydrogen tank; 8. 9, 10-pressure gauge; 11-an ignition bar; 12-a safety valve; 13-a temperature sensor; 14-a pressure sensor; 15-a storage bin; 16. 17-a solenoid valve; 18. 19, 20-check valves; 21. 22, 23-pressure relief valves; 24. 25, 26, 27, 28, 29, 30, 31-manual valves; 32-a synchronizer control cabinet; 33-a high pressure device; 34-a signal amplifier; 35-a signal conditioning device; 36-an acquisition card; 37-computer and software program.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention. The experimental methods without specifying specific conditions in the following examples were selected according to the conventional methods and conditions, or according to the commercial instructions.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
As shown in FIG. 1, the reaction system and the tail gas treatment system are connected through a gas pipe with a manual valve 24; the reaction system comprises a reaction vessel 1, high-pressure vessels 2 and 3, a connecting pipeline and a valve, wherein the reaction vessel 1 is connected with a pressure gauge 10, a safety valve 12, a manual valve 28 and an ignition rod 11; the gas supply system comprises an air storage tank 5, a hydrogen storage tank 7, a fluorine storage tank and a high-pressure container 3, wherein the air storage tank provides pneumatic pressure to a storage bin 15 through the high-pressure container 2; the vacuum pump 4 is connected with the reaction vessel 1 through a valve pipeline.
As shown in fig. 2, the control system of the present invention includes a synchronization device control cabinet 32 and a high voltage control device 33, wherein the synchronization device control cabinet 32 controls the operation states of the high voltage control device 33 and the solenoid valves 16 and 17, and the high voltage control device 33 provides ignition energy for the ignition rod 11.
As shown in fig. 3, the data measurement system of the present invention includes a temperature sensor 13, a pressure sensor 14, a data acquisition card 36, a signal amplifier 34, a signal conditioning device 35, an oscilloscope, a computer, and a software program 37, and the system acquires experimental temperature data through the temperature sensor 13, the signal conditioning device 35, and the data acquisition card 36, and acquires experimental pressure data through the pressure sensor 14, the signal amplifier 34, and the data acquisition card 36.
The operation mode of the experimental device system is divided into the following six stages:
the first stage is that the manual valve 25 is opened, compressed air is filled into the high-pressure container 2 to reach a pressure value P5, the manual valve 25 is closed, the manual valve 26 is opened, fluorine gas is filled into the high-pressure container 3 to reach a pressure value P6, and the manual valve 26 is closed;
in the second stage, the manual valves 30, 28 and 29 are opened, the vacuum pump 4 is started to pump the reaction container 1 to vacuum to reach the negative pressure value P1, the valve 30 is closed, and the vacuum pump 4 is closed;
in the third stage, the manual valve 31 is opened to control the hydrogen to enter the reaction container 1, the negative pressure value P2 is reached, and the manual valve 31 is closed;
in the fourth stage, the electromagnetic valve 16 is controlled to be opened by the synchronous device control cabinet 32, the reagent in the storage bin 15 is sprayed into the reaction container 1, the pressure value P3 is reached, and the manual valve 29 is closed;
the fifth stage is that the manual valve 27 is opened, the electromagnetic valve 17 is controlled to be opened by the control cabinet 32 of the synchronizing device, fluorine gas in the high-pressure container is sprayed into the reaction container 1, and meanwhile, the control cabinet 32 of the synchronizing device controls the high-pressure control device 33 to provide high voltage for the ignition rod 11, so as to provide initial ignition energy E for the reaction;
in the sixth stage, experimental data are recorded, the manual valve 24 is opened, and tail gas is discharged.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the invention is defined by the appended claims. Various changes or modifications to these embodiments can be made by those skilled in the art without departing from the principle and spirit of this invention, and these changes and modifications all fall into the scope of this invention.
Claims (3)
1. A novel experimental method for reaction of hydrogen and fluorine gas is characterized by comprising the following steps:
(1) Vacuumizing the reaction container by using a vacuum pump to reach a negative pressure value P1;
(2) Controlling hydrogen to enter a reaction container by using a valve to reach a negative pressure value P2;
(3) Controlling fluorine gas in the high-pressure container to enter a reaction container by using an electromagnetic valve, wherein the pressure value P4 (reaction initial environment pressure) is reached in the container;
(4) Sensors and equipment are used to record reaction temperature, pressure, etc.
2. The novel experimental method as claimed in claim 1, which also includes the application of the experimental reaction between hydrogen and fluorine-containing strongly oxidizing gas.
3. A novel device for the reaction of hydrogen and fluorine gas is characterized by comprising a reaction system, a gas supply system, a control system and a measurement system; wherein the reaction system and the tail gas treatment system are connected through a gas pipe with a tail gas valve; the reaction system comprises a reaction vessel, two high-pressure vessels, a connecting pipeline and a valve, wherein the reaction vessel is connected with a pressure gauge, a safety valve and an ignition rod; the gas supply system comprises a hydrogen storage tank, a fluorine storage tank, an air storage tank, a connecting pipeline and a valve; the control system comprises a synchronous device control cabinet, a high-voltage control device and a control circuit; the data measurement system comprises a temperature sensor, a pressure sensor, a data acquisition card, a signal amplifier, a signal conditioning device, an oscilloscope, a computer and a software program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211140872.9A CN115445536A (en) | 2022-09-20 | 2022-09-20 | Novel experiment method and experiment device for reaction of hydrogen and fluorine gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211140872.9A CN115445536A (en) | 2022-09-20 | 2022-09-20 | Novel experiment method and experiment device for reaction of hydrogen and fluorine gas |
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| CN115445536A true CN115445536A (en) | 2022-12-09 |
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| CN202211140872.9A Pending CN115445536A (en) | 2022-09-20 | 2022-09-20 | Novel experiment method and experiment device for reaction of hydrogen and fluorine gas |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145921A (en) * | 1994-11-18 | 1996-06-07 | Lion Corp | Measuring equipment of flammability limits |
| CN102608161A (en) * | 2012-03-07 | 2012-07-25 | 北京理工大学 | Method for testing critical energy of detonation formed by direct initiation |
| CN202837212U (en) * | 2012-09-26 | 2013-03-27 | 公安部天津消防研究所 | Device for combustion, explosion simulation, inerting and inhibiting experiments of gas cloud |
| CN204832085U (en) * | 2015-08-07 | 2015-12-02 | 中海石油气电集团有限责任公司 | Height warm purgation combustible gas explosion characteristic testing experiment device |
| CN105152134A (en) * | 2015-09-22 | 2015-12-16 | 中国船舶重工集团公司第七一八研究所 | Method and device for preparing hydrogen fluoride |
| CN106093116A (en) * | 2016-08-26 | 2016-11-09 | 上海应用技术学院 | Combustible gas explosion parameter test device |
| CN114235895A (en) * | 2021-12-31 | 2022-03-25 | 中煤科工集团沈阳研究院有限公司 | Confined space methane hydrogenation explosion characteristic test platform and test method |
| CN114609187A (en) * | 2022-03-30 | 2022-06-10 | 中国安全生产科学研究院 | Multi-phase system blasting test device influenced by coupling environmental factors |
-
2022
- 2022-09-20 CN CN202211140872.9A patent/CN115445536A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08145921A (en) * | 1994-11-18 | 1996-06-07 | Lion Corp | Measuring equipment of flammability limits |
| CN102608161A (en) * | 2012-03-07 | 2012-07-25 | 北京理工大学 | Method for testing critical energy of detonation formed by direct initiation |
| CN202837212U (en) * | 2012-09-26 | 2013-03-27 | 公安部天津消防研究所 | Device for combustion, explosion simulation, inerting and inhibiting experiments of gas cloud |
| CN204832085U (en) * | 2015-08-07 | 2015-12-02 | 中海石油气电集团有限责任公司 | Height warm purgation combustible gas explosion characteristic testing experiment device |
| CN105152134A (en) * | 2015-09-22 | 2015-12-16 | 中国船舶重工集团公司第七一八研究所 | Method and device for preparing hydrogen fluoride |
| CN106093116A (en) * | 2016-08-26 | 2016-11-09 | 上海应用技术学院 | Combustible gas explosion parameter test device |
| CN114235895A (en) * | 2021-12-31 | 2022-03-25 | 中煤科工集团沈阳研究院有限公司 | Confined space methane hydrogenation explosion characteristic test platform and test method |
| CN114609187A (en) * | 2022-03-30 | 2022-06-10 | 中国安全生产科学研究院 | Multi-phase system blasting test device influenced by coupling environmental factors |
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Application publication date: 20221209 |