CN211711099U - Flow direction conversion type oxygen consumption type inerting system - Google Patents
Flow direction conversion type oxygen consumption type inerting system Download PDFInfo
- Publication number
- CN211711099U CN211711099U CN201920612235.4U CN201920612235U CN211711099U CN 211711099 U CN211711099 U CN 211711099U CN 201920612235 U CN201920612235 U CN 201920612235U CN 211711099 U CN211711099 U CN 211711099U
- Authority
- CN
- China
- Prior art keywords
- reactor
- fan
- control valve
- flow direction
- oxygen
- 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
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 230000036284 oxygen consumption Effects 0.000 title claims description 10
- 239000001301 oxygen Substances 0.000 claims abstract description 26
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001868 water Inorganic materials 0.000 claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 claims abstract description 13
- 239000002828 fuel tank Substances 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 60
- 239000003054 catalyst Substances 0.000 claims description 14
- 238000005338 heat storage Methods 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 6
- 150000004706 metal oxides Chemical class 0.000 claims description 6
- 229910000510 noble metal Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 229910019923 CrOx Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000446 fuel Substances 0.000 abstract description 14
- 239000000203 mixture Substances 0.000 abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 5
- 239000001569 carbon dioxide Substances 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000004880 explosion Methods 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a flow direction transform consumes oxygen type inerting system relates to aeronautical system technical field. The specific principle of the utility model is that: the combustible and explosive fuel steam mixture at the upper part of the fuel tank is heated by a fan and then is introduced into an inlet of a catalytic reactor, the fuel steam mixture generates chemical reaction in the reactor, the fuel steam is decomposed into water and carbon dioxide, and oxygen is consumed; and cooling the nitrogen-rich gas after reaction to remove water and then returning the nitrogen-rich gas to the oil tank to inertize the oil tank. The two ends in the reactor are provided with heat insulating materials which can store chemical reaction heat, the inlet and the outlet are provided with temperature sensors, and when the temperature of the outlet of the reactor is too high, the three-way valves at the two ends of the reactor realize the flow direction conversion operation under the control of the automatic controller, thereby avoiding the temperature runaway of the reactor. Therefore, after the system is started, the fuel-steam mixture does not need to be preheated, and the system has the advantages of automatic temperature control, self-heating and the like.
Description
Technical Field
The invention relates to the technical field of aviation systems, in particular to a flow direction conversion type oxygen consumption type inerting system.
Background
The safety problem of modern aircraft has been widely concerned by society, and fuel system combustion and explosion are one of the main reasons for the crash of aircraft. There are data showing that in the vietnam war, the united states air force is attacked by ground fire and loses thousands of airplanes, with up to 50% of the life and death due to the fire and explosion of the airplane fuel tanks. The cabin safety research technical group (GSRTG) showed a total of 370 accidents related to tank combustion and explosion for the 3726 civil aircraft accident statistics from 1966 to 2009. It follows that effective measures must be taken to prevent the explosion of the aircraft fuel tanks.
The upper space of an aircraft fuel tank is filled with combustible oil-gas mixture, the safety of the aircraft is seriously threatened by the characteristics of flammability and explosiveness, and effective measures must be taken to reduce the probability of ignition and outbreak and reduce the hazard degree of the aircraft. In the oil tank protection system, the oxygen concentration in the gas phase space at the upper part of the oil tank is reduced, so that the oil tank can be prevented from being ignited and exploded, and the safety of passengers and airplanes is ensured. The fuel tank inerting can be carried out by reducing the oxygen concentration of the fuel tank by using inert gases such as nitrogen, carbon dioxide and the like, so that the oxygen content is reduced to be below the combustible limit.
In recent years, companies and research institutions at home and abroad are also carrying out a method of reducing the combustible risk of the fuel tank by consuming oxygen and combustible steam in a Gas phase space of the fuel tank by using a catalytic combustion method, which is called Green On-Board Inert Gas Generation System (GOBIGGS). This new inerting technique has several important advantages: the starting speed is high, and in addition, oxygen is consumed in the reactor, the inerting efficiency is high, and the time is short; fuel steam is not discharged outwards, and the environment is protected.
However, the existing oxygen consumption type inerting system has the defects of large preheating quantity, uneven temperature of a catalytic reactor and difficult control of outlet temperature.
Disclosure of Invention
The invention provides a flow direction conversion type oxygen consumption type inerting system, which can be used for reacting fuel steam by utilizing self reaction heat without heating gas after the inerting system is started, and has the characteristics of energy conservation, self heating, limitation on the outlet temperature of a reactor and uniform temperature of the reactor.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flow-shifting oxygen-consuming inerting system comprising: the reactor comprises a first fan, a heater, a first three-way regulating valve, a first heat storage bed, a catalytic bed, a second heat storage bed, a reactor, a second three-way regulating valve, a second fan and a water separator.
The oil tank to be operated comprises an air inlet and an air outlet, and the air outlet is sequentially connected with the right ends of the first fan, the heater, the first three-way regulating valve and the reactor.
The left end of the reactor is connected with the air inlets of the second three-way regulating valve, the second fan, the water separator and the oil tank in sequence. The reactor is sequentially provided with a first heat accumulation bed, a catalytic bed and a second heat accumulation bed. The right opening and the heater of first three-way regulating valve are connected, and the right-hand member of left opening and reactor is connected, and the right opening of second three-way regulating valve and the left end of reactor are connected, and left opening and second fan are connected, and the lower opening of first three-way regulating valve is connected between second three-way regulating valve and reactor, and the last opening of second three-way regulating valve is connected between first three-way regulating valve and reactor.
When the temperature of the left end of the reactor is too high, the left port of the first three-way regulating valve is closed, and the lower port is opened. And the right port of the second three-way regulating valve is closed, and the upper port is opened.
When the temperature of the right end of the reactor is too high, the left port of the first three-way regulating valve is opened, and the lower port is closed. And the right port of the second three-way regulating valve is opened, and the upper port is closed.
Furthermore, the heat storage bed is formed by filling inert ceramic balls with high heat capacity.
Furthermore, the catalytic reaction material arranged on the catalytic bed is a supported noble metal catalyst or a metal oxide catalyst.
Further, the supported noble metal catalyst is Pd-Al2O3A supported catalyst.
Further, the metal oxide catalyst is CrOxOr ZrO2。
Furthermore, a first electric regulating valve is arranged between the first fan and the heater, and a second electric regulating valve and a check valve are sequentially arranged between the water separator and the oil tank.
Furthermore, the first fan, the first electric regulating valve, the heater, the first three-way regulating valve, the second three-way regulating valve and the check valve are all connected with the controller.
Further, the controller is also connected with an oxygen concentration sensor, and the oxygen concentration sensor is arranged inside the oil tank.
Further, the controller is also connected with an oxygen concentration sensor and a temperature sensor, and the temperature sensors are arranged at two ends of the reactor.
The invention has the beneficial effects that:
the fuel vapor mixture is heated by the fan and then is introduced into the inlet of the catalytic reactor, the fuel vapor mixture is subjected to chemical reaction in the reactor, the fuel vapor is decomposed into water and carbon dioxide, and oxygen is consumed; and cooling the nitrogen-rich gas after reaction to remove water and then returning the nitrogen-rich gas to the oil tank to inertize the oil tank. The inside both ends of reactor are established and can be stored chemical reaction heat by insulation material, and when reactor outlet temperature was too high, through the operating condition realization flow direction transform operation that changes reactor both ends three-way valve, avoid the reactor to fly warm, keep reactor temperature even. Therefore, after the system is started, the fuel-steam mixture does not need to be preheated, and the system has the advantages of automatic temperature control, self-heating and uniform heat.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the embodiment.
The system comprises a first flame arrester, a 2-oxygen concentration sensor, a 3-oil tank, a 4-second flame arrester, a 5-first fan, a 6-first electric regulating valve, a 7-heater, a 8-first three-way regulating valve, a 9-first temperature sensor, a 10-first heat storage bed, a 11-catalytic bed, a 12-second heat storage bed, a 13-reactor, a 14-second temperature sensor, a 15-second three-way regulating valve, a 16-second fan, a 17-water separator, a 18-second electric regulating valve, a 19-check valve and a 20-controller.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following detailed description.
An embodiment of the present invention provides a flow direction conversion type oxygen consumption type inerting system, as shown in fig. 1, including: the system comprises a first flame arrester 1, an oxygen concentration sensor 2, a second flame arrester 4, a first fan 5, a first electric regulating valve 6, a heater 7, a first three-way regulating valve 8, a first temperature sensor 9, a first heat storage bed 10, a catalytic bed 11, a second heat storage bed 12, a reactor 13, a second temperature sensor 14, a second three-way regulating valve 15, a second fan 16, a water separator 17, a second electric regulating valve 18, a check valve 19 and a controller 20.
The oil tank 3 comprises a gas outlet and a gas inlet, and the gas outlet of the oil tank 3, the second flame arrester 4, the first fan 5, the first electric regulating valve 6 and the heater 7 are sequentially connected. The first fan 5 draws out the gas in the oil tank 3 and feeds the gas into the heater 7 for heating. The outlet of the heater 7 is connected with the right port of the first three-way regulating valve 8, and the left port of the first three-way regulating valve 8 is connected with the right end of the reactor 13. A first temperature sensor 9 is arranged in a pipeline connected between the left port of the first three-way regulating valve 8 and the reactor 13.
The reactor 13 is provided with a first regenerative bed 10, a catalytic bed 11 and a second regenerative bed 12 from right to left in sequence, and the catalytic reaction material arranged on the catalytic bed 11 is a supported noble metal catalystCatalyst of catalyst or metal oxide, and Pd-Al as supported noble metal catalyst2O3The supported catalyst and the metal oxide catalyst are CrOxOr ZrO2. Inert ceramic balls with high heat capacity are arranged on the first heat storage bed 10 and the second heat storage bed 12 and serve as heat insulation materials. The heated gas is introduced into the reactor 13 for reaction, and the heat generated by the reaction is preserved in the reactor 13 by the first heat storage bed 10 and the second heat storage bed 12.
The left end of the reactor 13 is connected to the right port of the second three-way regulating valve 15, and the left port of the second three-way regulating valve 15 is connected to the second fan 16.
The lower port of the first three-way regulating valve 8 is connected between the second three-way regulating valve 15 and the reactor 13 through a pipeline; the upper port of the second three-way regulating valve 15 is connected between the first three-way regulating valve 8 and the reactor 13 through a pipe.
The second fan 16, the water separator 17, the second electric regulating valve 18, the check valve 19, the first flame arrester 1 and the inlet of the oil tank 3 are sequentially connected. The second fan 16 blows the gas generated after the reaction in the reactor 13 into the water separator 17 to remove the condensed water, and then the gas is led into the oil tank 3 to be inerted.
The probe of the oxygen concentration sensor 2 is arranged in the upper space of the oil tank 3 and is used for measuring the oxygen concentration content in the oil tank and transmitting the measurement data to the controller 20; the first temperature sensor 9 and the second temperature sensor 14 measure the temperature of the gas in the pipes at the two ends of the reactor 13 respectively, and transmit the data to the controller 20.
The output end of the controller 20 is connected with and controls the on and off of the first fan 5, the first electric regulating valve 6, the heater 7, the first three-way regulating valve 8, the second three-way regulating valve 15, the second fan 16, the second electric regulating valve 18 and the check valve 19.
The working process of the embodiment is as follows:
1) inertization process
The nitrogen-rich gas at the outlet of the reactor 13 flows through a water separator 17 to remove condensed water under the suction action of an input fan 16; after sequentially passing through the second electric regulating valve 18, the check valve 19 and the second flame arrester 1, the mixture flows into the oil tank 3 to be flushed and inerted.
2) Reactor engineering
Under the suction of the first fan 5, the fuel steam mixture led out from the oil tank 3 is regulated by the first electric regulating valve 6, heated by the heater 7 and then enters the right port of the first three-way regulating valve 8 to enter the reactor 13, the fuel steam is decomposed into water and carbon dioxide, oxygen is consumed, heat is released, and the remaining nitrogen-rich gas is led out under the suction action of the second fan 16.
3) Data acquisition and control process
A probe of the oxygen concentration sensor 2 extends into the upper space of the oil tank 3, and the measured oxygen concentration parameter is transmitted to the controller 20; the first temperature sensor 9 and the second temperature sensor 14 measure the temperature of the gas in the pipes at both ends of the reactor, and the measured temperature parameters are transmitted to the controller 20.
When the oxygen concentration is higher than the set value, the controller 20 outputs signals to control the first fan 5, the first electric regulating valve 6, the heater 7, the first three-way regulating valve 8, the second three-way regulating valve 15, the second fan 16, the second electric regulating valve 18 and the check valve 19 to work; and when the oxygen concentration is lower than a set value, stopping working.
The controller adopts a V80-C aviation PLC module, the temperature sensor adopts a PT1000 temperature sensor, the oxygen concentration sensor adopts a TY-3500-C zirconia oxygen concentration sensor, and the electric regulating valve adopts an HJS-63A electric regulating valve. The data acquisition and the control switch function of the controller are all common knowledge in the field, and can be realized by a person skilled in the art without creative work.
4) Flow direction changing process
In the starting stage of the inerting system, when the temperature measured by the first temperature sensor 9 is higher than a set value, the controller 20 outputs a signal to control the heater 7 to stop working.
When the temperature of the second temperature sensor 14 is higher than the set value, the controller 20 outputs a signal to control the left port of the first three-way regulating valve 8 to be closed, and the lower port to be opened; the right port of the second three-way regulating valve 15 is closed, and the upper port is opened; when the temperature of the first temperature sensor 9 is higher than the set value, the left port of the first three-way regulating valve 8 is opened and the lower port is closed. The right port of the second three-way regulating valve 15 is opened and the upper port is closed, thereby realizing the reversing operation.
The invention has the beneficial effects that:
the fuel vapor mixture is heated by the fan and then is introduced into the inlet of the catalytic reactor, the fuel vapor mixture is subjected to chemical reaction in the reactor, the fuel vapor is decomposed into water and carbon dioxide, and oxygen is consumed; and cooling the nitrogen-rich gas after reaction to remove water and then returning the nitrogen-rich gas to the oil tank to inertize the oil tank. The two ends in the reactor are provided with heat insulating materials which can store chemical reaction heat, the inlet and the outlet are provided with temperature sensors, and when the temperature of the outlet of the reactor is too high, the three-way valves at the two ends of the reactor realize flow direction conversion operation under the control of the controller, so that temperature runaway of the reactor is avoided. Therefore, after the system is started, the fuel-steam mixture does not need to be preheated, and the system has the advantages of automatic temperature control, self-heating and the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A flow-shifting oxygen-consuming inerting system, comprising: the system comprises a first fan (5), a heater (7), a first three-way regulating valve (8), a first heat storage bed (10), a catalytic bed (11), a second heat storage bed (12), a reactor (13), a second three-way regulating valve (15), a second fan (16) and a water separator (17);
the oil tank (3) to be operated comprises an air inlet and an air outlet, and the air outlet is sequentially connected with the right ends of the first fan (5), the heater (7), the first three-way regulating valve (8) and the reactor (13);
the left end of the reactor (13) is connected with the air inlets of a second three-way regulating valve (15), a second fan (16), a water separator (17) and an oil tank (3) in sequence;
a first regenerative bed (10), a catalytic bed (11) and a second regenerative bed (12) are sequentially arranged on the reactor (13),
the right port of first three-way control valve (8) is connected with heater (7), the right-hand member of left port and reactor (13) is connected, the right port of second three-way control valve (15) is connected with the left end of reactor (13), left port and second fan (16) are connected, the lower port of first three-way control valve (8) is connected between second three-way control valve (15) and reactor (13), the last port of second three-way control valve (15) is connected between first three-way control valve (8) and reactor (13).
2. The flow direction changing oxygen depletion type inerting system according to claim 1, wherein the thermal storage bed is formed by packing inert ceramic balls of high thermal capacity material.
3. The flow direction switching oxygen-consuming inerting system according to claim 1, wherein the catalytically reactive material provided on the catalytic bed (11) is a supported noble metal catalyst or a metal oxide catalyst.
4. The flow-to-shift oxygen-consuming inerting system of claim 3, wherein the supported noble metal catalyst is Pd-Al2O3A supported catalyst.
5. The flow-to-shift oxygen-consuming inerting system of claim 3, wherein the metal oxide catalyst is CrOxOr ZrO2。
6. The flow direction conversion type oxygen consumption inerting system according to claim 1, wherein a first electric control valve (6) is provided between the first fan (5) and the heater (7), and a second electric control valve (18) and a check valve (19) are provided in this order between the water separator (17) and the oil tank (3).
7. The flow direction conversion type oxygen consumption inerting system according to claim 6, wherein the first fan (5), the first electric control valve (6), the heater (7), the first three-way control valve (8), the second three-way control valve (15), and the check valve (19) are connected to the controller (20).
8. The flow direction conversion oxygen consumption type inerting system according to claim 7, wherein the controller (20) is further connected to an oxygen concentration sensor (2), and the oxygen concentration sensor (2) is disposed inside the fuel tank (3).
9. The flow direction changing oxygen consumption type inerting system according to claim 7, wherein the controller (20) is further connected to a temperature sensor, and the temperature sensor is disposed at both ends of the reactor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612235.4U CN211711099U (en) | 2019-04-30 | 2019-04-30 | Flow direction conversion type oxygen consumption type inerting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612235.4U CN211711099U (en) | 2019-04-30 | 2019-04-30 | Flow direction conversion type oxygen consumption type inerting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211711099U true CN211711099U (en) | 2020-10-20 |
Family
ID=72813265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920612235.4U Active CN211711099U (en) | 2019-04-30 | 2019-04-30 | Flow direction conversion type oxygen consumption type inerting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211711099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053780A (en) * | 2019-04-30 | 2019-07-26 | 南京航空航天大学 | It is a kind of to flow to transform oxygen consumption type inerting system |
-
2019
- 2019-04-30 CN CN201920612235.4U patent/CN211711099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053780A (en) * | 2019-04-30 | 2019-07-26 | 南京航空航天大学 | It is a kind of to flow to transform oxygen consumption type inerting system |
| CN110053780B (en) * | 2019-04-30 | 2024-04-12 | 南京航空航天大学 | Flow direction conversion type oxygen consumption inerting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106741984B (en) | A kind of system and its working method of catalytic reforming inerting aircraft fuel tank | |
| CN108557090B (en) | On-board oxygen consumption type inerting system utilizing heat of engine tail gas | |
| US7191983B2 (en) | Methods and systems for controlling flammability control systems in aircraft and other vehicles | |
| US8663996B2 (en) | Determining oxygen concentration in ullage using catalytic oxidation | |
| KR20240006564A (en) | Systems and methods for processing ammonia | |
| US20080128048A1 (en) | Advanced carbon dioxide fuel tank inerting system | |
| CN102588126B (en) | Diesel-LNG (liquefied natural gas) dual-fuel engine management system for inland navigation vessel | |
| CN108045587B (en) | Waste heat recovery system of oxygen consumption type inerting fuel tank based on thermoelectric generation technology | |
| US20230118083A1 (en) | Systems and methods for processing ammonia | |
| US8910484B2 (en) | System and process for the reduction of harmful substances in engine exhaust gases | |
| CN211711099U (en) | Flow direction conversion type oxygen consumption type inerting system | |
| CN110294136B (en) | Dry ice type inert gas making cooling type oil tank inerting system | |
| CN108639359A (en) | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane | |
| CN101413398A (en) | Heating start-up system of mine ventilation air methane oxidized apparatus | |
| CN209739370U (en) | Temperature-controllable fuel tank inerting device based on catalytic combustion technology | |
| CN110053780B (en) | Flow direction conversion type oxygen consumption inerting system | |
| JPH0467307B2 (en) | ||
| CN211196653U (en) | Dry ice type inert gas making cooling type oil tank inerting system | |
| CN109774954B (en) | Temperature-controllable fuel tank inerting device based on catalytic combustion technology | |
| US20240207811A1 (en) | Method for Carrying Out a Chemical Reaction and Reactor Arrangement | |
| CN114313279B (en) | Catalytic inerting system with bypass branch control and control method | |
| CN108583915A (en) | A kind of device based on photocatalytic oxidation inerting fuel tank | |
| CN213019685U (en) | RCO heat accumulating type catalytic combustion device | |
| CN108364698B (en) | Hydrogen elimination method and system for small space of nuclear power station | |
| CN212720941U (en) | Kiln mixing combustion-supporting device capable of controlling energy consumption |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |