CN210635722U - Small-size methyl alcohol hydrogen plant - Google Patents
Small-size methyl alcohol hydrogen plant Download PDFInfo
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- CN210635722U CN210635722U CN201921347075.1U CN201921347075U CN210635722U CN 210635722 U CN210635722 U CN 210635722U CN 201921347075 U CN201921347075 U CN 201921347075U CN 210635722 U CN210635722 U CN 210635722U
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a small methanol hydrogen production device, which comprises a mixed liquid storage tank, a metering pump, a comprehensive reaction tank, a vaporization pipe, a cracking pipe, a heat-conducting oil circulation system, a hydrogen storage pipe and a waste heat recovery system, wherein the vaporization pipe is positioned inside the comprehensive reaction tank, the cracking pipe is positioned inside the comprehensive reaction tank, gas vaporized by the vaporization pipe enters the cracking pipe, the cracking pipe and the vaporization pipe are not communicated with each other, and the cracking pipe is internally filled with a catalyst for promoting reaction; the heat conduction oil circulation system comprises a heating assembly, a heat conduction oil pipe and a heat pump, wherein two ends of the heat conduction oil pipe are communicated with the comprehensive reaction tank, so that heat conduction oil circulation is formed, the waste heat recovery system can cool the hydrogen at the hydrogen outlet, and the waste heat heats the mixed liquid to 40-60 ℃. The utility model combines the vaporizing device and the cracking reaction device together, uniformly heats to the designated stability by the electric conduction hot oil circulating system, vaporizes and converts into hydrogen production, thereby realizing heating and cracking hydrogen production; a set of heating and vaporizing device is saved, and the consumption of steel and heat conducting oil is saved by 50 percent.
Description
Technical Field
The invention relates to the technical field of hydrogen production equipment, in particular to a small methanol hydrogen production device.
Background
The hydrogen production from methanol refers to a process of mixing methanol and water vapor, and then subjecting the mixture to the action of a catalyst under certain temperature and pressure conditions to cause the methanol to undergo a cracking reaction and finally obtain hydrogen and carbon dioxide. The main chemical reaction formula of reforming methanol and steam is as follows:
CH3OH→CO+2H2(1);
H2O+CO→CO2+H2(2);
CH3OH+H2O→CO2+3H2(3);
the methanol-to-hydrogen method in industry is characterized by that the methanol and desalted water are mixed according to a certain proportion, then fed into vaporization tower to make vaporization, the vaporized water-methanol steam is superheated by means of superheater and fed into converter, the interior of converter is equipped with catalyst, the water-methanol steam can be undergone the process of cracking reaction in the converter under the action of catalyst so as to produce hydrogen and carbon dioxide. The main defects of the methanol hydrogen production equipment in the prior art are as follows: 1. the whole equipment is large and complex, and the manufacturing cost is high; 2. the disadvantage of one skid-mounted design of one machine cannot be avoided; 3. the heat conducting oil for providing a heat source for the superheater and the converter is heated by a stainless steel thermocouple, and has the advantages of uneven heating area, large power consumption, fouling and short service life.
Disclosure of Invention
The invention provides a small methanol hydrogen production device for solving the defects and shortcomings of the prior art, which reduces the volume of methanol hydrogen production equipment, reduces the manufacturing cost of the equipment (reduces the consumption of steel products), improves the safety and reliability, and simultaneously changes the heating mode of heat conducting oil and reduces the energy consumption.
In order to achieve the purpose, the invention adopts the technical scheme that the small methanol hydrogen production device comprises a comprehensive reaction tank, a vaporization pipe, a cracking pipe and a heat conduction oil circulating system, wherein heat conduction oil is filled in the comprehensive reaction tank, the vaporization pipe and the cracking pipe are positioned in the comprehensive reaction tank, gas vaporized by the vaporization pipe enters the cracking pipe, the heat conduction oil circulating system comprises a heating assembly, a heat conduction oil pipe and a heat pump, the heating assembly and the heat pump are respectively communicated with the heat conduction oil pipe, and two ends of the heat conduction oil pipe are communicated with the comprehensive reaction tank, so that heat conduction oil circulation is formed. Thus, the heat transfer oil circulation is formed.
The invention combines the vaporizing device and the cracking reaction device together, uniformly heats the mixture to a specified stability by the electric conduction hot oil circulating system, vaporizes the mixture and converts the mixture into hydrogen, thereby realizing heating and cracking hydrogen production; a set of heating and vaporizing device is omitted, and the consumption of steel and heat conducting oil thereof can be saved by 50 percent.
Preferably, the hydrogen production device further comprises a hydrogen storage pipe, a hydrogen outlet at the bottom of the comprehensive reaction tank is connected with the hydrogen storage pipe, and the hydrogen storage pipe is an S-shaped hydrogen storage pipe. The existing hydrogen storage tank is replaced by the hydrogen storage pipe, so that the occupied area can be reduced, and the hydrogen storage tank is replaced by a pipe with a large caliber, so that the hydrogen production container is more compact in design, convenient to operate, smaller in volume and capable of saving various metal materials.
Preferably, the hydrogen production device further comprises a buffer tube, the hydrogen storage tube is arranged in the buffer tube and extends out of the buffer tube, and the buffer tube is an S-shaped buffer tube. The buffer tube is a hollow S-shaped tube, so that the hydrogen storage tube is of an S-shaped structure, and compared with a linear structure, the S-shaped hydrogen storage tube is selected, gas enters the S-shaped tube body, vertical downward impact force can be dispersed, gas pressure is buffered, the impact force of the gas is reduced, and the S-shaped structure can play a role in buffering; and select for use S type hydrogen storage pipe, for sharp hydrogen storage pipe, gas enters into S type tubular body, can disperse vertical decurrent impact force, and buffer gas pressure reduces the impact force of gas, and S type structure can play the cushioning effect.
Preferably, hydrogen plant still includes waste heat recovery system, waste heat recovery system includes first sleeve pipe, second sleeve pipe, the sleeve pipe import department that first sleeve pipe one end was connected the buffer tube and with the inside intercommunication of buffer tube, the other end and the mixed liquid outlet pipeline intercommunication of mixed liquid holding vessel, the sleeve pipe export of second sleeve pipe one end connection buffer tube and with the inside intercommunication of buffer tube, the other end and the outlet pipeline intercommunication of mixed liquid holding vessel.
The waste heat recovery system of the invention converts the methanol-desalted water in the comprehensive reaction tank into hydrogen through the cracking reaction, and is conveyed to the hydrogen storage pipe and enters the hydrogen storage pipe in the buffer pipe, the temperature of hydrogen in the buffer pipe reaches 146 ℃, meanwhile, the mixed liquid in the mixed liquid storage tank enters the sleeve inlet along the first sleeve, thereby entering the buffer tube, the mixed liquid flows outside the hydrogen storage tube in the buffer tube, on one hand, the temperature of the hydrogen gas at the hydrogen outlet can be reduced, on the other hand, the temperature in the hydrogen storage tube is utilized to absorb the residual heat of 146 ℃, the temperature of the mixed solution is raised to 40-60 ℃ by the collected waste heat, and then the mixed solution enters the inlet of the metering pump from the outlet of the sleeve, thus, the preheating temperature needed by the input of the comprehensive reaction tank can be reasonably and effectively obtained by two steps at a time, meanwhile, the temperature of the hydrogen at the hydrogen outlet is effectively reduced, so that the temperature suitable for operation of a pressure gauge and the like is reached.
Preferably, the mixed liquid outlet of the mixed liquid storage tank is higher than the sleeve inlet of the buffer tube, and preferably, the outlet of the mixed liquid storage tank is 3-5 meters higher than the sleeve inlet of the buffer tube. Because the outlet of the mixed liquid storage tank is 3-5 meters higher than the sleeve inlet of the buffer tube, pressure difference exists, and under the action of the metering pump, the mixed liquid in the mixed liquid storage tank enters the sleeve inlet along the first sleeve and then enters the buffer tube, the mixed liquid flows outside the hydrogen storage tube in the buffer tube,
preferably, the hydrogen storage pipe is provided with a safety valve, and the buffer pipe is provided with a drain outlet. The sewage can be discharged through a sewage outlet.
Preferably, the vaporization pipe is spirally coiled on the outer wall of the cracking pipe. Therefore, the extension length of the vaporization pipe can be increased, the area heated by the heat conduction oil can be increased, and a better heating effect is obtained, so that a better vaporization effect is obtained.
Preferably, a stainless steel filter screen is arranged at the bottom end of the cracking tube.
Preferably, the hydrogen production device further comprises a mixed liquid storage tank and an electromagnetic metering pump, and the metering pump is connected between the mixed liquid storage tank and the comprehensive reaction tank.
Preferably, a protective gas pipeline for introducing protective gas is connected to a pipeline connecting the metering pump and the comprehensive reaction tank. The pipeline of the metering pump connected with the comprehensive reaction tank is connected with a protective gas pipeline for introducing protective gas, so that the hydrogen production device can be filled with protective gas to protect a catalyst during shutdown.
The invention has the beneficial effects that:
1. the small methanol hydrogen production device enables the methanol hydrogen production equipment to really get rid of the regulations that the hydrogen production equipment must be placed in a chemical industry area for use and the complex manufacturing process of chemical industry skid-mounted equipment, really realizes civilization, can be produced in batch, and is applied to industries needing hydrogen production and hydrogenation in various industries and the combustion of boilers and furnaces;
2. the system is more integrated, and can be remotely controlled to master the working state in real time;
3. the hydrogen storage tank is replaced by a hydrogen storage pipe, and the safety valve is arranged on the large-caliber pipeline; this electromechanical cabinet makes vaporizer and reation kettle unite two into one and becomes comprehensive reaction unit, the structure is compacter, the volume is littleer, area effectively contracts, has practiced thrift a large amount of steel materials and 50% conduction oil.
4. The waste heat recovery system can cool the hydrogen at the hydrogen outlet, absorb the 146 ℃ waste heat by utilizing the temperature in the hydrogen storage pipe, heat the mixed solution to 40-60 ℃ through the collected waste heat, and then enter the metering pump inlet from the sleeve outlet, so that the preheating temperature required by inputting the mixed solution into the comprehensive reaction tank can be obtained reasonably and effectively at one stroke, and the hydrogen at the hydrogen outlet can be cooled effectively so as to reach the temperature suitable for running of a pressure gauge and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention, and the direction of the embodiment is based on the direction of fig. 1.
The invention relates to a small methanol hydrogen production device, which mainly comprises a mixed liquid storage tank 1, a metering pump 2, a comprehensive reaction tank 3, a vaporization pipe 4, a cracking pipe 5, a heat-conducting oil circulating system 6, a buffer pipe 7 and a waste heat recovery system;
the mixed liquid storage tank 1 is used for storing methanol and desalted water solution for hydrogen production, the top end of the mixed liquid storage tank 1 is provided with an air discharge hole 11, the side surface of the mixed liquid storage tank is provided with a mixed liquid inlet valve 12, and the bottom end of the mixed liquid storage tank is provided with a mixed liquid outlet valve 13; the mixed liquid outlet valve 13 is connected with the metering pump 2 through a pipeline, the metering pump 2 is further connected with the comprehensive reaction tank 3, a protective gas pipeline 20 for introducing protective gas is connected to the pipeline connecting the metering pump 2 with the comprehensive reaction tank 3, and a protective gas valve 201 is arranged on the protective gas pipeline, so that the hydrogen production device can be filled with a protective gas protective catalyst during shutdown. Meanwhile, a pressure gauge 21 is arranged between the metering pump 2 and the protective gas valve 201, and a valve 10 is also arranged between the metering pump 2 and the pressure gauge 21.
The comprehensive reaction tank 3 sequentially comprises a vaporization region 31, a reaction region 32 filled with heat conducting oil and a hydrogen region 33 from top to bottom; the bottom end of the vaporization pipe 4 is connected with the metering pump 2, the vaporization pipe 4 is positioned in the internal reaction area 32 of the comprehensive reaction tank 4 in a spiral shape, extends out of the top end of the comprehensive reaction tank 3 and then enters the vaporization area 31 in the comprehensive reaction tank 3, and the vaporization pipe 4 is positioned at the outer side of the comprehensive reaction tank 3 and is provided with a vaporization inlet valve 41 and a vaporization outlet valve 42;
the cracking tube 5 is longitudinally arranged in a reaction area 32 in the comprehensive reaction tank 3 and is provided with a plurality of cracking tubes, the bottom end of the cracking tube 5 is communicated with a vaporization area, the bottom end of the cracking tube 5 is communicated with a hydrogen area 33, the vaporization tube 4 is spirally wound outside the cracking tube 5, the cracking tube 5 and the vaporization tube 4 are not communicated with each other, a catalyst for promoting reaction is filled in the cracking tube 5, the catalyst and the filling mode are realized by adopting the prior art and are common knowledge, detailed description is not provided, and a stainless steel filter screen is arranged at the bottom end of the cracking tube 5;
the heat conducting oil circulating system 6 comprises a heating component 61, a heat conducting oil pipe 62 and a heat pump 63, wherein the heating component 61 and the heat pump 63 are respectively communicated with the heat conducting oil pipe 62, the bottom end of the heat conducting oil pipe 62 is communicated with one side of the bottom end of the reaction area of the comprehensive reaction tank 3, a heat conducting oil inlet valve 64 is arranged at the position of the heat conducting oil pipe 62, the other end of the heat conducting oil pipe 62 is communicated with one side of the top end of the reaction area 32 of the comprehensive reaction tank, a heat conducting oil outlet valve 65 is arranged at the position of the heat conducting oil pipe 62, the heat conducting oil in the comprehensive reaction tank 3 is input into the heat conducting oil pipe through the heat pump and is heated by the heating component 61, the heat conducting oil inlet valve 64 is opened to enter the inside of the comprehensive reaction tank after heating, so as to form heat conducting oil circulation, the heating component 61 is a heating pipe of a nano, the heating pipe can be arranged into a plurality of heating pipes as required, 3 6000W heating pipes are adopted as an example, heat conducting oil can be heated to 240-260 ℃ within 30-60 min, the heat pump 63 heats the heat conducting oil in the comprehensive reaction tank 3 to a specified temperature through the external heating component 61, internal circulation is carried out through the heat conducting oil pipeline and the heat pump, the heat conducting oil is stabilized to a specified working temperature of 250 ℃, and then vaporized steam enters the pipe column filled with the additive to crack and prepare hydrogen. The heating assembly adopts the nanometer rare earth alloy heating material, so that the vaporization temperature reaches the specified temperature of 250 ℃, and the adopted rare earth nanometer alloy heating material has the advantages of large heating area, good stability, power consumption saving and long service life. Because the rare earth nano alloy heating material is used, the use is more portable and flexible, and meanwhile, the conduction oil can be heated to the specified temperature required by the hydrogen production through conversion and cracking, so that the heating problem is solved.
A hydrogen outlet 34 is arranged at the bottom hydrogen area 33 of the comprehensive reaction tank 3, the hydrogen outlet 34 is connected with a hydrogen storage pipe 35, the hydrogen storage pipe 35 is arranged inside the buffer pipe 7 and extends out of the buffer pipe 7 to be connected with occasions such as a boiler, a kiln, a hydrogen energy generator and the like; the hydrogen storage pipe 35 is provided with a hydrogen outlet valve 351, the safety valve 352 is arranged at the hydrogen storage pipe 35 positioned inside the buffer pipe 7, and the buffer pipe 7 is a hollow S-shaped pipe, so that the hydrogen storage pipe 35 is of an S-shaped structure, the existing hydrogen storage tank is replaced by the hydrogen storage pipe, the occupied area is reduced, and the hydrogen storage tank is replaced by a pipe with a large caliber, so that the hydrogen production container is more compact in design, convenient to operate, smaller in volume and capable of saving various metal materials. The S-shaped hydrogen storage pipe is selected, and compared with a linear structure, gas enters the S-shaped pipe body, vertical downward impact force can be dispersed, gas pressure is buffered, the impact force of the gas is reduced, and the S-shaped structure can play a role in buffering; be equipped with drain 71, sleeve pipe import 72, sleeve pipe export 73 on buffer tube 7, wherein, sleeve pipe import 72 sets up in the upper end of buffer tube 7, is located hydrogen storage pipe 35 hydrogen exit one side, and sleeve pipe export 73 sets up in the bottom, is located hydrogen storage pipe 35 hydrogen import one side, and drain 7 sets up in the bottom of buffer tube 7, and foretell drain 7, sleeve pipe import 72, sleeve pipe export 73 all communicate with buffer tube 7 is inside, and all are equipped with valve 10. The waste heat recovery system comprises a first sleeve 81 and a second sleeve 82, wherein one end of the first sleeve 81 is connected with a sleeve inlet 72 of the buffer tube 7 and communicated with the inside of the buffer tube 7, the other end of the first sleeve 81 is communicated with an outlet pipeline of the mixed liquid storage tank 1, one end of the second sleeve 82 is connected with a sleeve outlet 72 of the buffer tube 7 and communicated with the inside of the buffer tube 7, the other end of the first sleeve 81 is communicated with an outlet pipeline of the mixed liquid storage tank 1, the outlet pipeline of the mixed liquid storage tank 1 is connected with the first sleeve and the second sleeve through a tee joint, the outlet of the mixed liquid storage tank 1 is higher than the sleeve inlet of the buffer tube, mixed liquid circulation is realized through pressure difference and a metering pump, and preferably, the outlet of the mixed liquid storage tank 1 is higher than the sleeve inlet of the buffer tube by 3-5 meters.
The waste heat recovery system of the invention converts the methanol-desalted water in the comprehensive reaction tank into hydrogen through the cracking reaction, and is conveyed to the hydrogen storage pipe 35 and enters the hydrogen storage pipe 35 inside the buffer pipe 7, the temperature of the hydrogen in the buffer pipe 7 reaches 146 ℃, meanwhile, the mixed liquor in the mixed liquor storage tank 1 enters the inlet of the sleeve along the first sleeve 81, thereby entering the buffer tube 7, the mixed liquid flows outside the hydrogen storage tube inside the buffer tube 7, on one hand, the temperature of the hydrogen gas at the hydrogen outlet can be reduced, on the other hand, the temperature inside the hydrogen storage tube is utilized to absorb the residual heat of 146 ℃, the temperature of the mixed solution is raised to 40-60 ℃ by the collected waste heat, and then the mixed solution enters the inlet of the metering pump from the outlet of the sleeve, thus, the preheating temperature needed by the input of the comprehensive reaction tank can be reasonably and effectively obtained by two steps at a time, meanwhile, the temperature of the hydrogen at the hydrogen outlet is effectively reduced, so that the temperature suitable for operation of a pressure gauge and the like is reached. Preferably, the first sleeve and the second sleeve are galvanized pipes.
The small methanol hydrogen production device is also provided with a PLC controller, the PLC controller is connected with the electromagnetic valve, the pressure gauge, the metering pump and the heat pump to realize automatic control, and the PLC controller realizes the automatic control by adopting the prior art.
The working principle of the invention is as follows: firstly, the methanol mixed liquid is vaporized, heat conduction oil is heated through a heat conduction oil circulating system and circulates in the integrated reaction tank to be heated to the vaporization temperature required by the methanol mixed liquid, at the moment, the methanol mixed liquid enters the vaporization pipe, the methanol mixed liquid absorbs heat of the heat conduction oil in the vaporization pipeline and is vaporized, the vaporized mixed liquid enters the vaporization area 31 of the integrated reaction tank through the upper end of the vaporization pipe and enters the interior of a cracking pipe, a catalyst is filled in the cracking pipe, the temperature of the heat conduction oil is 240-260 ℃, cracking reaction is carried out under the action of the catalyst to generate hydrogen and carbon dioxide mixed gas, and hydrogen is discharged through a buffer hydrogen storage pipe and used for hydrogen users of various industries, such as boilers, furnace and kiln combustion and other related enterprises. When methanol-desalted water in the comprehensive reaction tank is converted into hydrogen through cracking reaction and is conveyed to the hydrogen storage pipe 35 and enters the hydrogen storage pipe 35 in the buffer pipe 7, the temperature of the hydrogen in the buffer pipe 7 reaches 146 ℃, meanwhile, because the outlet of the mixed liquid storage tank 1 is 3-5 meters higher than the sleeve pipe inlet at the buffer pipe, pressure difference exists, and under the action of the metering pump, the mixed liquid in the mixed liquid storage tank 1 enters the sleeve pipe inlet along the first sleeve pipe 81 and then enters the buffer pipe 7, the mixed liquid flows outside the hydrogen storage pipe in the buffer pipe 7, on one hand, the hydrogen at the hydrogen outlet can be cooled, on the other hand, the residual heat at the temperature of 146 ℃ is absorbed by the temperature in the hydrogen storage tank, the mixed liquid is heated to 40-60 ℃ through the collected residual heat, and then enters the metering pump inlet through the sleeve pipe outlet, so that the preheating temperature required by inputting the comprehensive reaction tank can be, meanwhile, the temperature of the hydrogen at the hydrogen outlet is effectively reduced, so that the temperature suitable for operation of a pressure gauge and the like is reached.
The valves according to the invention, which are not specifically illustrated, are designated in the figures by 10.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a small-size methyl alcohol hydrogen plant which characterized in that, has comprehensive retort, vaporizing tube, pyrolysis tube, the conduction oil circulation system of conduction oil including inside packing, vaporizing tube, pyrolysis tube are located the inside of synthesizing the retort, the gas behind the vaporizing tube vaporization gets into in the pyrolysis tube, conduction oil circulation system includes heating element, heat conduction oil pipe, heat pump, heating element, heat pump communicate with heat conduction oil pipe respectively, and heat conduction oil pipe's both ends and comprehensive retort intercommunication constitute the conduction oil circulation with this.
2. The small methanol hydrogen production device according to claim 1, further comprising a hydrogen storage pipe, wherein the hydrogen outlet at the bottom of the comprehensive reaction tank is connected with the hydrogen storage pipe, and the hydrogen storage pipe is an S-shaped hydrogen storage pipe.
3. The compact methanol hydrogen plant as defined in claim 2, further comprising a buffer tube, wherein the hydrogen storage tube is disposed inside the buffer tube and extends outside the buffer tube.
4. A small methanol hydrogen production plant according to claim 3, characterized by further comprising a waste heat recovery system, wherein the waste heat recovery system comprises a first sleeve and a second sleeve, one end of the first sleeve is connected to the sleeve inlet of the buffer tube and is communicated with the inside of the buffer tube, the other end of the first sleeve is communicated with the mixed liquid outlet pipeline, one end of the second sleeve is connected to the sleeve outlet of the buffer tube and is communicated with the inside of the buffer tube, and the other end of the second sleeve is communicated with the outlet pipeline of the mixed liquid storage tank.
5. The small-sized methanol hydrogen production plant according to claim 4, characterized in that the outlet of the mixed liquid storage tank is 3-5 meters higher than the inlet of the sleeve at the buffer tube.
6. A small methanol hydrogen production plant as in claim 3, characterized in that the hydrogen storage pipe is provided with a safety valve and the buffer pipe is provided with a sewage draining outlet.
7. The small methanol hydrogen production plant according to claim 1, characterized in that the vaporizing tube is spirally coiled outside the cracking tube.
8. The small methanol hydrogen production plant according to claim 1, characterized in that the bottom end of the cracking tube is provided with a stainless steel filter screen.
9. The small methanol hydrogen production device according to claim 1, further comprising a mixed liquid storage tank and an electromagnetic metering pump, wherein the metering pump is connected between the mixed liquid storage tank and the comprehensive reaction tank.
10. A small methanol hydrogen production plant according to claim 9, characterized in that a protective gas pipeline for introducing protective gas is connected to the pipeline connecting the metering pump and the comprehensive reaction tank.
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CN201921347075.1U CN210635722U (en) | 2019-08-19 | 2019-08-19 | Small-size methyl alcohol hydrogen plant |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110386590A (en) * | 2019-08-19 | 2019-10-29 | 王海东 | A kind of small-sized hydrogen production units by carbinol |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110386590A (en) * | 2019-08-19 | 2019-10-29 | 王海东 | A kind of small-sized hydrogen production units by carbinol |
CN110386590B (en) * | 2019-08-19 | 2024-04-19 | 王海东 | Small-size methyl alcohol hydrogen plant |
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