CN110779028A - Steam supply and exhaust gas purification system of steam reforming device - Google Patents

Steam supply and exhaust gas purification system of steam reforming device Download PDF

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Publication number
CN110779028A
CN110779028A CN201911166927.1A CN201911166927A CN110779028A CN 110779028 A CN110779028 A CN 110779028A CN 201911166927 A CN201911166927 A CN 201911166927A CN 110779028 A CN110779028 A CN 110779028A
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CN
China
Prior art keywords
steam
gas
communicated
waste
fluidized bed
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Pending
Application number
CN201911166927.1A
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Chinese (zh)
Inventor
谢庆勇
章航洲
张少伟
李文钰
蒋礼军
林力
冷军
梁毅
郭露西
李振臣
李娟�
胥箫
刘蓉江
何子昂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co Ltd
Nuclear Power Institute of China
Original Assignee
Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co Ltd
Nuclear Power Institute of China
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co Ltd, Nuclear Power Institute of China filed Critical Chengdu Tianbao Energy Conservation And Environmental Protection Engineering Co Ltd
Priority to CN201911166927.1A priority Critical patent/CN110779028A/en
Publication of CN110779028A publication Critical patent/CN110779028A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
    • F22B37/44—Applications, arrangements, or dispositions of alarm or automatic safety devices of safety valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/30—Technologies for a more efficient combustion or heat usage

Abstract

The invention discloses a steam supply and waste gas purification system of a steam reforming device, which comprises a fluidized bed; the inlet end of the fluidized bed is sequentially communicated with a steam superheater and a steam generator, and an exhaust valve, a safety valve and a regulating valve are sequentially arranged on pipelines at the inlet ends of the steam superheater and the fluidized bed; the steam generator is sequentially communicated with the water storage tank and the pure water equipment through the constant delivery pump; the outlet end of the fluidized bed is communicated with the cyclone separator through a pipeline; the cyclone separator is communicated with the high-temperature filter; the cyclone separator and the high-temperature filter are both communicated with the waste solid collector; the high-temperature filter is communicated with the total oxidation furnace, the spray tower and the gas-liquid separator in sequence; a spray head for performing alkaline washing is arranged in the spray tower; the gas-liquid separator is communicated with the vacuum pump and the chimney in sequence.

Description

Steam supply and exhaust gas purification system of steam reforming device
Technical Field
The invention belongs to the technical field of steam reforming devices, and particularly relates to a steam supply and exhaust gas purification system of a steam reforming device.
Background
As a fluidized bed for pyrolysis, generally, heated air is adopted as a main heat conduction medium, but the method has certain defects that impurities are easily brought into the air, the impurities still exist even through filtering, the influence on the fluidized reaction is great, simultaneously, the air quantity is increased, the exhaust gas treatment capacity at the rear end is increased, and the energy efficiency is increased. The steam reforming device is applied to the treatment of nuclear power organic waste, radioactive substances exist in the system, and the later cleaning and replacement are very difficult.
Meanwhile, the steam reforming technology eventually collects inorganic substances and discharges organic compounds through purification. The flue gas is transported with inorganic substances towards the end, which are not allowed to be discharged to the atmosphere from the nuclear safety point of view, since they contain radioactivity, and thus need to be intercepted and collected in the process. Since steam reforming is a new technology, there is no successful process for cleaning equipment to reference at present.
Disclosure of Invention
The present invention is directed to a steam supply and exhaust gas purification system of a steam reformer, which solves or improves the above-mentioned problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
a steam supply and exhaust gas purification system of a steam reformer, comprising a fluidized bed; the inlet end of the fluidized bed is sequentially communicated with a steam superheater and a steam generator, and an exhaust valve, a safety valve and a regulating valve are sequentially arranged on pipelines at the inlet ends of the steam superheater and the fluidized bed; the steam generator is sequentially communicated with the water storage tank and the pure water equipment through the constant delivery pump;
the outlet end of the fluidized bed is communicated with the cyclone separator through a pipeline; the cyclone separator is communicated with the high-temperature filter; the cyclone separator and the high-temperature filter are both communicated with the waste solid collector; the high-temperature filter is communicated with the total oxidation furnace, the spray tower and the gas-liquid separator in sequence; a spray head for performing alkaline washing is arranged in the spray tower; the gas-liquid separator is communicated with the vacuum pump and the chimney in sequence.
Preferably, the regulating valves are arranged on a pipeline between the pure water device and the water storage tank, a pipeline between the water storage tank and the dosing pump, and a pipeline between the dosing pump and the steam generator.
Preferably, the cyclone is in communication with the waste solids collector via a first waste solids collection conduit.
Preferably, the high temperature filter is in communication with the waste solids collector via a second waste solids collection conduit.
Preferably, the gas-liquid separator returns the liquid to the spray tower through the second waste liquid collecting pipe; the spray tower recovers liquid through the first waste liquid collecting pipe.
A method of steam supply of a steam reformer and exhaust gas purification of an exhaust gas purification system, comprising:
s1, introducing the waste gas in the fluidized bed into a cyclone separator for gas-solid separation;
s2, introducing the waste gas into a high-temperature filter, and intercepting fine particles and ash fly;
s3, burning a small amount of inorganic matters and organic compounds in the waste gas at high temperature in the full-oxidation furnace;
s4, introducing the tail gas combusted in the step S3 into a spray tower for alkali washing;
s5, introducing the high-temperature gas subjected to alkali washing in the step S4 into a gas-liquid separator for gas-liquid separation;
and S6, removing the separated gas through a chimney.
Preferably, the fine particulate matter and fly ash separated and intercepted by the cyclone and high temperature filter are directed into a waste solids collector.
Preferably, the liquid generated in step S5 is introduced into the spray tower through the second waste liquid collecting pipe.
Preferably, the liquids generated in steps S4 and S5 are recovered by a first waste liquid collecting pipe
The steam supply and exhaust gas purification system of the steam reforming device provided by the invention has the following beneficial effects:
according to the invention, at the inlet end of the fluidized bed, through the cooperation of the pure water equipment, the steam generator and the steam superheater, the problems that the reaction is influenced by more impurities caused by a high-temperature fluidized heat-conducting medium of the fluidized bed in the radioactive waste resin steam reforming technology, the tail gas generation amount is large, and the generation of scale during operation is not beneficial to later maintenance and the like are solved.
Meanwhile, at the outlet end of the fluidized bed, the waste gas in the fluidized bed sequentially passes through the cyclone separator and the high-temperature filter, and most inorganic substances, fine particles and ash fly in the waste gas are removed and intercepted; and the residual gas is sequentially led into a total oxidation furnace, a spray tower and a gas-liquid separator, the residual small amount of inorganic matters and organic compounds are subjected to high-temperature combustion, the burnt tail gas is subjected to alkali cleaning, and the gas is purified again in a spraying mode, so that the purification of the gas of the radioactive organic waste steam reforming device is realized.
The invention reduces the generation of scale in operation, reduces the generation amount of tail gas, improves the purification of the tail gas (waste gas) and has stronger practicability by the structural arrangement and the matching of the inlet end and the exhaust end (outlet end) of the fluidized bed.
Drawings
Fig. 1 is a block diagram showing the structure of a steam supply and exhaust gas purification system of a steam reformer.
1. A fluidized bed; 2. a cyclone separator; 3. a high temperature filter; 4. a total oxidation furnace; 5. a waste solids collector; 6. a spray tower; 7. a gas-liquid separator; 8. a vacuum pump; 9. a chimney; 10. a first spent solids collection tube; 11. a second waste solids collection tube; 12. a second waste liquid collecting pipe; 13. a first waste liquid collecting pipe; 14. a water purification device; 15. adjusting a valve; 16. a water storage tank; 17. a constant delivery pump; 18. a steam generator; 19. a steam superheater; 20. a safety valve; 21. and an evacuation valve.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
According to an embodiment of the present application, referring to fig. 1, the steam supply and exhaust gas purification system of the steam reformer of the present embodiment comprises a fluidized bed 1, wherein an inlet end of the fluidized bed 1 is sequentially communicated with a steam superheater 19 and a steam generator 18, and an exhaust valve 21, a safety valve 20 and a regulating valve 15 are sequentially arranged on a pipeline at the inlet end of the steam superheater 19 and the fluidized bed; the steam generator 18 is in turn in communication with the water storage tank 16 and the pure water device 14 via a dosing pump 17.
Regulating valves 15 are arranged on a pipeline between the pure water device 14 and the water storage tank 16, a pipeline between the water storage tank 16 and the fixed displacement pump 17, and a pipeline between the fixed displacement pump 17 and the steam generator 18.
Wherein, the water in the pure water device 14 is treated by pretreatment, reverse osmosis technology, mixed bed and EDI device, etc., and the conductive medium in the water is almost completely removed, and the colloid substance, gas and organic substance which are not dissociated in the water are removed to a very low degree.
Wherein, the adjusting valve 15 is an electronic single seat adjusting valve LDZDL.
The evacuation valve 21 is a PZ44H blowoff valve.
The water outlet of the pure water can reach more than 10M omega generally, and the phenomenon of scale generation in the use process can be effectively solved by using the steam produced by the pure water equipment 14.
The pure water (the resistivity is more than or equal to 15M omega) produced by the pure water equipment 14 is led into the water storage tank 16 for storage, then the water is quantitatively supplied by the quantitative pump 17 according to the steam quantity, the pure water turns the water into the steam with certain pressure through the steam generator 18, the steam is heated to the required high temperature by the steam heater after entering the next procedure, and finally enters the fluidized bed, because the heated high-temperature steam has certain pressure and high-temperature characteristics, a safety valve 20 door and an exhaust valve 21 are arranged on the pipeline to ensure the safety of the system operation, when the steam pressure exceeds the limit value during the operation, the safety valve 20 is automatically opened to play a role of pressure reduction protection. The evacuation valve 21 protects against steam evacuation through the evacuation valve 21 door in the event of excessive pressure, temperature or flow in the pipeline or safety issues that would otherwise arise in the system. The steam quantity needs to be adjusted at any time in the test process, so the regulating valve 15 is arranged on the pipeline, and the steam quantity entering the fluidized bed is adjusted by discharging the steam in the pipeline, thereby achieving the purpose of the test.
According to one embodiment of the present application, the above structure is adopted in the 1KG steam reforming test, and the test completely meets the requirements, and the test data is as follows:
14 water quality of the water purification equipment: EDI is less than or equal to 15M omega
The steam amount control can be realized by the constant delivery pump 17 and the control valve 15 on the pipeline.
The reaction of the steam with the radioactive spent resin from the off-gas analysis produced no additional impurity components, and the data showed that the steam produced by the pure water was pure.
Through the operation of equipment in a certain period, the equipment such as the water storage tank 16, the steam generator, the pipeline, the fluidized bed and the like are disassembled for detection, and no scale is generated on the contact surface, which also shows that the method can solve the problem of scale generation in the pipeline in long-term operation.
According to one embodiment of the present application, the radioactive waste resin in the fluidized bed 1 is decomposed into inorganic substances and flue gas at high temperature with respect to the exhaust gas discharge of the fluidized bed, and the particle size of the decomposed inorganic substances is 20 μm or more.
The outlet of the fluidized bed 1 is communicated with a cyclone separator 2 through a pipeline, the cyclone separator 2 carries out gas-solid separation on the waste gas, and 90% of inorganic matters are intercepted and collected.
The cyclone separator 2 is communicated with the high-temperature filter 3, in order to guarantee that 10% of fine particles and ash fly to be intercepted, the waste gas is guided into the high-precision and high-temperature resistant filter 3, the fine particles and the ash fly are intercepted, the separation efficiency reaches 99.9%, and the filtering rate still cannot reach 100%.
The cyclone separator 2 and the high-temperature filter 3 are both communicated with the waste solid collector 5, wherein the cyclone separator 2 is communicated with the waste solid collector 5 through a first waste solid collecting pipe 10, and the high-temperature filter 3 is communicated with the waste solid collector 5 through a second waste solid collecting pipe 11.
The cyclone 2 and the high temperature filter 3 guide the separated and intercepted fixed into a waste solid collector 5 for resource recovery.
The high-temperature filter 3 is sequentially communicated with the total oxidation furnace 4, the spray tower 6 and the gas-liquid separator 7, a spray head for alkali washing is arranged in the spray tower 6, and the gas-liquid separator 7 is sequentially communicated with the vacuum pump 8 and the chimney 9.
Wherein, the gas-liquid separator 7 returns the liquid to the spray tower 6 through the second waste liquid collecting pipe 12, and the spray tower 6 recovers the liquid through the first waste liquid collecting pipe 13.
The waste gas enters the full-oxidation furnace 4 device, a small amount of inorganic matters and organic compounds are subjected to high-temperature combustion, the combusted tail gas enters the spray tower 6 along with the gas flow direction lower end for alkali washing, and the gas is purified again in a spraying mode.
High-temperature gas can produce steam and discharge through spraying the purification back, for preventing to contain trace particulate matter and a large amount of moisture in the steam, has set up vapour and liquid separator 7 in the preface, purifies gas once more, collects the water of interception and discharges to spray column 6 again, has finally realized the emission requirement of up to standard gas.
The parameters of the related components in the present embodiment are as follows:
a cyclone separator: operating pressure: -9kpa, operating temperature: 750 ℃, separation precision: 20-500 μm; separation efficiency: 80-90%.
A high-temperature filter: operating pressure: -9kpa, operating temperature: 750 ℃, separation precision: 10-50 μm; separation efficiency: 99.9 percent.
A total oxidation furnace: combustion temperature: 1100 ℃, furnace pressure: -200 to 50 pa.
A spray tower: cooling working medium: water, inlet temperature 800 deg.c and outlet temperature 50 deg.c.
A gas-liquid separator: operating pressure: 1.8kpa, operating temperature: 50 ℃, separation accuracy: 1-100 μm; separation efficiency: 99.9 percent.
According to one embodiment of the present application, a process for steam reforming gas purification of radioactive organic waste, comprises:
s1, introducing the waste gas in the fluidized bed 1 into a cyclone separator 2 for gas-solid separation;
s2, introducing the waste gas into the high-temperature filter 3, and intercepting fine particles and ash fly;
s3, burning a small amount of inorganic matters and organic compounds in the waste gas at high temperature in the total oxidation furnace 4;
s4, introducing the tail gas combusted in the step S3 into a spray tower 6 for alkali washing;
s5, introducing the high-temperature gas after alkali washing in the step S4 into a gas-liquid separator 7 for gas-liquid separation;
s6, removing the separated gas through a chimney 9;
wherein the fine particles and ash fly separated and intercepted by the cyclone separator 2 and the high temperature filter 3 are guided into the waste solid collector 5.
The liquid generated in step S5 is introduced into the spray tower 6 through the second waste liquid collecting pipe 12, and the liquid generated in steps S4 and S5 is collected through the first waste liquid collecting pipe 13.
Using the above procedure, the experimental data for the 1KG steam reforming of this example are as follows:
the radioactive waste resin is decomposed at high temperature to generate about 15% of inorganic matters and 3% of fly ash at the temperature of 700-750 ℃.
And (3) purifying data:
cyclone separator
Separation efficiency 90%, inorganic 0.18 kg.
High temperature filter
Separation efficiency 99.8%, inorganic matter 0.2 kg.
Gas-liquid separator
The water removal rate in the gas reaches 99.9 percent.
Finally, the tail gas is tested, and the standard emission requirement of the gas is met.
The invention solves the problems that impurities mostly influence the reaction, the tail gas generation amount is large, the generation of scale in operation is not beneficial to the later maintenance and the like caused by high-temperature fluidized heat transfer media of the fluidized bed in the radioactive waste resin steam reforming technology by the matching of the pure water equipment 14, the steam generator 18 and the steam superheater 19 at the inlet end of the fluidized bed.
In the invention, waste gas in a fluidized bed 1 sequentially passes through a cyclone separator 2 and a high-temperature filter 3 to remove and intercept most inorganic substances, fine particles and ash fly in the waste gas; and the residual gas is sequentially led into a total oxidation furnace 4, a spray tower 6 and a gas-liquid separator 7, the residual small amount of inorganic matters and organic compounds are subjected to high-temperature combustion, the burnt tail gas is subjected to alkali washing, and the gas is purified again in a spraying mode, so that the purification of the gas of the radioactive organic waste steam reforming device is realized.
According to the invention, through the structural arrangement and the matching of the inlet end and the exhaust end (outlet end) of the fluidized bed 1, the generation of scale in operation is reduced, the generation amount of tail gas is reduced, the purification of the tail gas (waste gas) is improved, and the high-efficiency fluidized bed has high practicability.
While the embodiments of the invention have been described in detail in connection with the accompanying drawings, it is not intended to limit the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims (9)

1. A steam supply and exhaust gas purification system for a steam reformer, comprising: comprises a fluidized bed; the inlet end of the fluidized bed is sequentially communicated with the steam superheater and the steam generator, and an exhaust valve, a safety valve and a regulating valve are sequentially arranged on pipelines at the inlet ends of the steam superheater and the fluidized bed; the steam generator is sequentially communicated with the water storage tank and the pure water equipment through a constant delivery pump;
the outlet end of the fluidized bed is communicated with the cyclone separator through a pipeline; the cyclone separator is communicated with the high-temperature filter; the cyclone separator and the high-temperature filter are both communicated with the waste solid collector; the high-temperature filter is communicated with the total oxidation furnace, the spray tower and the gas-liquid separator in sequence; a spray head for performing alkaline washing is arranged in the spray tower; the gas-liquid separator is communicated with the vacuum pump and the chimney in sequence.
2. The steam supplying and exhaust gas purifying system of a steam reformer according to claim 1, wherein: and regulating valves are arranged on a pipeline between the pure water equipment and the water storage tank, a pipeline between the water storage tank and the constant delivery pump and a pipeline between the constant delivery pump and the steam generator.
3. The steam supplying and exhaust gas purifying system of a steam reformer according to claim 1, wherein: the cyclone separator is communicated with the waste solid collector through a first waste solid collecting pipe.
4. The steam supplying and exhaust gas purifying system of a steam reformer according to claim 1, wherein: and the high-temperature filter is communicated with the waste solid collector through a second waste solid collecting pipe.
5. The steam supplying and exhaust gas purifying system of a steam reformer according to claim 1, wherein: the gas-liquid separator returns liquid to the spray tower through a second waste liquid collecting pipe; the spray tower recovers liquid through the first waste liquid collecting pipe.
6. A method for supplying steam to a steam reforming apparatus according to any one of claims 1 to 4 and purifying exhaust gas from an exhaust gas purification system, comprising:
s1, introducing the waste gas in the fluidized bed into a cyclone separator for gas-solid separation;
s2, introducing the waste gas into a high-temperature filter, and intercepting fine particles and ash fly;
s3, burning a small amount of inorganic matters and organic compounds in the waste gas at high temperature in the full-oxidation furnace;
s4, introducing the tail gas combusted in the step S3 into a spray tower for alkali washing;
s5, introducing the high-temperature gas subjected to alkali washing in the step S4 into a gas-liquid separator for gas-liquid separation;
and S6, removing the separated gas through a chimney.
7. A method of exhaust gas purification according to claim 6, characterized in that: and guiding the fine particles and the ash fly separated and intercepted by the cyclone separator and the high-temperature filter into a waste solid collector.
8. A method of exhaust gas purification according to claim 5, characterized in that: the liquid generated in the step S5 is introduced into the spray tower through the second waste liquid collecting pipe.
9. A method of exhaust gas purification according to claim 5, characterized in that: the liquids generated in step S4 and step S5 are collected by a first waste liquid collection tube.
CN201911166927.1A 2019-11-25 2019-11-25 Steam supply and exhaust gas purification system of steam reforming device Pending CN110779028A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911166927.1A CN110779028A (en) 2019-11-25 2019-11-25 Steam supply and exhaust gas purification system of steam reforming device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911166927.1A CN110779028A (en) 2019-11-25 2019-11-25 Steam supply and exhaust gas purification system of steam reforming device

Publications (1)

Publication Number Publication Date
CN110779028A true CN110779028A (en) 2020-02-11

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ID=69392445

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911166927.1A Pending CN110779028A (en) 2019-11-25 2019-11-25 Steam supply and exhaust gas purification system of steam reforming device

Country Status (1)

Country Link
CN (1) CN110779028A (en)

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