CN109126639B - Methanol cracking reactor applied to solar power supply auxiliary methanol hydrogen production device - Google Patents
Methanol cracking reactor applied to solar power supply auxiliary methanol hydrogen production device Download PDFInfo
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- CN109126639B CN109126639B CN201811257264.XA CN201811257264A CN109126639B CN 109126639 B CN109126639 B CN 109126639B CN 201811257264 A CN201811257264 A CN 201811257264A CN 109126639 B CN109126639 B CN 109126639B
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- methanol
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 243
- 239000001257 hydrogen Substances 0.000 title claims abstract description 54
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 54
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000005336 cracking Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 101
- 239000010410 layer Substances 0.000 claims abstract description 36
- 239000011247 coating layer Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000008367 deionised water Substances 0.000 claims description 30
- 229910021641 deionized water Inorganic materials 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 29
- 239000003054 catalyst Substances 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000011261 inert gas Substances 0.000 claims description 18
- 238000005485 electric heating Methods 0.000 claims description 13
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003776 cleavage reaction Methods 0.000 claims 1
- 230000007017 scission Effects 0.000 claims 1
- 239000010941 cobalt Substances 0.000 abstract description 9
- 229910017052 cobalt Inorganic materials 0.000 abstract description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 9
- 210000003298 dental enamel Anatomy 0.000 abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 6
- 239000006227 byproduct Substances 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 229910052759 nickel Inorganic materials 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
-
- 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0833—Heating by indirect heat exchange with hot fluids, other than combustion gases, product gases or non-combustive exothermic reaction product gases
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/085—Methods of heating the process for making hydrogen or synthesis gas by electric heating
-
- 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
- Y02P20/133—Renewable energy sources, e.g. sunlight
Abstract
The utility model belongs to the technical field of methanol hydrogen production, and particularly relates to a methanol cracking reactor applied to a solar power supply auxiliary methanol hydrogen production device. The utility model comprises a jacket reaction kettle, wherein the jacket reaction kettle comprises a reaction kettle body with a reaction chamber inside, a jacket layer is arranged on the outer surface of the reaction kettle body, a heat conducting oil outlet is arranged at the upper section of the jacket layer, a heat conducting oil inlet is arranged at the lower section of the jacket layer, a discharge hole is formed in the jacket reaction kettle, a discharge valve is arranged at the bottom of the jacket reaction kettle, the jacket reaction kettle further comprises a feed pipeline, one end of the feed pipeline penetrates through the side wall of the reaction kettle body and is communicated with the reaction chamber, a magnetic coating layer is arranged on the outer surface of the feed pipeline, and an enamel layer is arranged on the inner surface of the reaction kettle body. The inner surface of the reaction kettle body is provided with an enamel layer, and the outer surface of the feeding pipeline is provided with a magnetic coating layer, so that iron, cobalt and nickel are prevented from being contained in a reaction system, the generation of methane byproducts can be prevented, and the conversion rate of hydrogen is improved.
Description
Technical Field
The utility model belongs to the technical field of methanol hydrogen production, and particularly relates to a methanol cracking reactor applied to a solar power supply auxiliary methanol hydrogen production device.
Background
In the existing methanol hydrogen production process, raw materials are evaporated into gas in the feeding process and then are conveyed into a reactor through a pipeline, so that impurities such as iron, cobalt, nickel and the like can be mixed in the raw materials in the pretreatment process, more methane gas is generated after methanol is cracked, and the hydrogen conversion rate is reduced.
For example, chinese patent utility model discloses a methanol hydrogen plant [ application number: 201720057475.3 the utility model relates to a reactor and a bottom frame, wherein one side above the bottom frame is fixedly provided with a storage tank through a fixing seat arranged above the bottom frame, the inner bottom of the storage tank is provided with a liquid level sensor, the top end of a solenoid valve is connected with a feeding pipe, a combustor is respectively connected with the feeding pipe, the reactor and the storage tank through pipelines, the reactor is arranged on the other side above the bottom frame, one side of a liquid suction pump is connected with the storage tank through a pipeline, the other side of the liquid suction pump is connected with the reactor through a pipeline, a control panel is arranged at the position, close to an observation window, on the front surface of the reactor, of the lower side, behind the reactor, a tail gas buffer tank is arranged at the position, close to the front side of the pressure swing absorber, of the right side of the reactor, of the reactor is connected with the pressure swing absorber through a pipeline, a condenser is arranged at the middle position of the pipeline, the lower end of the condenser is connected with a condensate pipe, the other end of the condensate pipe is respectively connected with the pressure swing absorber and the combustor through a pipeline, the right side of the pressure swing absorber is provided with a control panel, and the right side of the hydrogen suction pump is electrically connected with a flow meter and a flow meter.
The reaction kettle in the patent is a reaction kettle commonly used in the prior art, and is specially designed for the cracking reaction, so the problems are still solved.
Disclosure of Invention
The utility model aims to solve the problems and provide a methanol cracking reactor applied to a solar power supply auxiliary methanol hydrogen production device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a be applied to auxiliary methyl alcohol hydrogen plant's of solar energy power supply methyl alcohol pyrolysis reactor, includes jacket reation kettle, jacket reation kettle includes the reation kettle body that inside has reaction chamber, reation kettle body surface is equipped with the jacket layer, jacket layer upper segment is equipped with the conduction oil export, and the lower segment is equipped with the conduction oil entry, jacket reation kettle is last to have the discharge gate, and the bottom has the blowing valve, still includes one end and link up the feeding pipeline of reation kettle body lateral wall and with reaction chamber intercommunication, the feeding pipeline surface is equipped with one deck magnetism coating, and reation kettle body internal surface has one deck enamel layer.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the reaction chamber is also communicated with a vacuum source and an inert gas source, and a control valve is respectively arranged between the vacuum source and the inert gas source and between the inert gas source and the jacket reaction kettle.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the jacket reaction kettle is also provided with a three-way valve with one end communicated with the reaction chamber, and the other two ends of the three-way valve are respectively communicated with a vacuum source and an inert gas source.
In the above-mentioned methanol cracking reactor who is applied to auxiliary methanol hydrogen plant of solar energy power supply, the one end intercommunication that reaction chamber was kept away from to the charge-in pipeline has methanol evaporator and/or deionized water evaporator, and the methanol storage tank communicates with methanol evaporator through first delivery pump, and deionized water storage tank communicates with deionized water evaporator through the second delivery pump, jacket reation kettle top has the catalyst filling tube that is linked together with reaction chamber, and the catalyst storage bottle can dismantle the connection on catalyst filling tube, still includes aftertreatment subassembly and heat conduction oil pipe, aftertreatment subassembly and discharge gate intercommunication, heat conduction oil pipe's both ends communicate with heat conduction oil export and heat conduction oil entry respectively, and solar heater sets up on heat conduction oil pipe.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the solar heater comprises a solar panel, a voltage stabilizer and an electric heating ring which are electrically connected in sequence, the electric heating ring is positioned in a heat conducting oil heating box, and the heat conducting oil heating box is communicated with the heat conducting oil pipe.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the electric heating ring is also electrically connected with an external power supply through a standby wire.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the bottom of the conduction oil heating box is also provided with a stirring rotor which can rotate relative to the conduction oil heating box.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the methanol evaporator and the deionized water evaporator are both provided with pressure gauges.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the post-treatment component comprises a condenser, a hydrogen adsorption device and an exhaust gas storage bin which are sequentially communicated, and the condenser is communicated with the jacket reaction kettle through a discharge port.
In the methanol cracking reactor applied to the solar power supply auxiliary methanol hydrogen production device, the hydrogen adsorption device is a pressure swing adsorber.
Compared with the prior art, the utility model has the advantages that:
1. the inner surface of the reaction kettle body is provided with an enamel layer, and the outer surface of the feeding pipeline is provided with a magnetic coating layer, so that iron, cobalt and nickel are prevented from being contained in a reaction system, the generation of methane byproducts can be prevented, and the conversion rate of hydrogen is improved.
2. The utility model utilizes solar power generation to provide initial energy for hydrogen production by methanol pyrolysis, and reduces the overall energy consumption, thereby correspondingly reducing the production cost.
3. The utility model utilizes the vacuum source and the inert gas source to remove the air in the jacketed reaction kettle in a matching way, thereby preventing oxidation impurities from being generated in the reaction and improving the conversion rate of hydrogen.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a methanol to hydrogen plant;
FIG. 3 is a schematic view of a solar heater;
FIG. 4 is a schematic view of the structure of the heating tank;
in the figure: the device comprises a methanol storage tank 1, a deionized water storage tank 2, a first delivery pump 3, a methanol evaporator 4, a second delivery pump 5, a deionized water evaporator 6, a jacket reaction kettle 7, a catalyst storage bottle 8, a discharge port 9, a post-treatment component 10, a heat conducting oil pipe 11, a solar heater 12, a solar cell panel 13, a voltage stabilizer 14, an electric heating coil 15, a heat conducting oil heating box 16, a standby wire 17, a stirring rotor 18, a feed pipeline 19, a magnetic coating layer 20, a pressure gauge 21, a vacuum source 22, an inert gas source 23, a control valve 24, a condenser 25, a hydrogen adsorption device 26, an exhaust gas storage bin 27, a reaction kettle body 71, a reaction chamber 72, a jacket layer 73, a heat conducting oil outlet 74, a heat conducting oil inlet 75, a discharge valve 76, an enamel layer 77, a catalyst charging pipe 78 and a three-way valve 79.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, a methanol cracking reactor applied to a solar power supply auxiliary methanol hydrogen production device comprises a jacket reaction kettle 7, wherein the jacket reaction kettle 7 comprises a reaction kettle body 71 with a reaction chamber 72 inside, a jacket layer 73 is arranged on the outer surface of the reaction kettle body 71, a heat conducting oil outlet 74 is arranged on the upper section of the jacket layer 73, a heat conducting oil inlet 75 is arranged on the lower section of the jacket layer 73, a discharge port 9 is arranged on the jacket reaction kettle 7, a discharging valve 76 is arranged at the bottom of the jacket reaction kettle 7, a catalyst charging pipe 78 communicated with the reaction chamber 72 is arranged at the top of the jacket reaction kettle 7, a catalyst storage bottle 8 is detachably connected to the catalyst charging pipe 78, a feeding pipeline 19 with one end penetrating through the side wall of the reaction kettle body 71 and communicated with the reaction chamber 72 is further included, a layer of magnetic coating layer 20 is arranged on the outer surface of the feeding pipeline 19, and a layer of enamel layer 77 is arranged on the inner surface of the reaction kettle body 71.
When the utility model is used, methanol gas and deionized water vapor enter the reaction chamber 72 through the feeding pipeline 19 with the magnetic coating layer 20 arranged on the outer surface, the catalyst in the catalyst storage bottle 8 is added into the reaction chamber 72, heat conduction oil flows into the jacket layer 73 from the heat conduction oil inlet 75 and flows out of the jacket layer 73 from the heat conduction oil outlet 74, so that gaseous methanol and gaseous deionized water in the reaction chamber 72 are heated, the methanol is cracked, the reacted mixed gas is discharged through the discharge port 9, and condensate and the catalyst can be discharged from the discharge valve 76, so that the utility model is provided with the enamel layer 77 on the inner surface of the reaction kettle body 71, and the magnetic coating layer 20 is arranged on the outer surface of the feeding pipeline 19, thereby preventing the generation of methane byproducts and improving the conversion rate of hydrogen.
As shown in fig. 1 and 2, the reaction chamber 72 is further connected to a vacuum source 22 and an inert gas source 23, and a control valve 24 is respectively disposed between the vacuum source 22 and the inert gas source 23 and between the inert gas source 23 and the jacketed reaction kettle 7, where the inert gas provided by the inert gas source 23 may be argon or helium, so that the vacuum source 22 and the inert gas source 23 can be used to cooperate to remove air (mainly oxygen) in the jacketed reaction kettle 7, thereby preventing oxidation impurities generated in the reaction and improving the conversion rate of hydrogen.
Preferably, the jacket reaction kettle 7 is further provided with a three-way valve 79 with one end communicated with the reaction chamber 72, the other two ends of the three-way valve 79 are respectively communicated with the vacuum source 22 and the inert gas source 23, and the three-way valve 79 can facilitate the operation of removing the air in the reaction chamber 72.
As shown in fig. 1 and fig. 2, one end of the feeding pipeline 19 far away from the reaction chamber 72 is communicated with the methanol evaporator 4 and/or the deionized water evaporator 6, the methanol storage tank 1 is communicated with the methanol evaporator 4 through the first conveying pump 3, the deionized water storage tank 2 is communicated with the deionized water evaporator 6 through the second conveying pump 5, the device further comprises a post-treatment assembly 10 and a heat conducting oil pipe 11, the post-treatment assembly 10 is communicated with the discharge port 9, two ends of the heat conducting oil pipe 11 are respectively communicated with the heat conducting oil outlet 74 and the heat conducting oil inlet 75, and the solar heater 12 is arranged on the heat conducting oil pipe 11.
When the methanol-deionized water mixed gas hydrogen production device is used, methanol in a methanol storage tank 1 and deionized water in a deionized water storage tank 2 are respectively conveyed to a methanol evaporator 4 and a water evaporator 6 through a first conveying pump 3 and a second conveying pump 5, liquid state is evaporated to be gaseous state, gaseous methanol and gaseous deionized water enter a jacket reaction kettle 7 through a feeding pipeline 19, a catalyst in a catalyst storage bottle 8 is added into the jacket reaction kettle 7, high-temperature heat-conducting oil heated by a solar heater 12 in a heat-conducting oil pipe 11 enters from the bottom of a jacket layer of the jacket reaction kettle 7, flows out from the top, and heats the gaseous methanol and the gaseous deionized water in the jacket reaction kettle 7, so that the methanol in the jacket reaction kettle 7 is cracked, and mixed gas is subjected to aftertreatment through a aftertreatment component 10 to obtain hydrogen after the reaction.
Preferably, the methanol evaporator 4 and the deionized water evaporator 6 are respectively provided with a pressure gauge 21, so that the partial pressure of gaseous methanol and gaseous deionized water in the jacket reaction kettle 7 can be well controlled, and the conversion rate of the reaction is ensured.
Specifically, the post-treatment assembly 10 comprises a condenser 25, a hydrogen adsorption device 26 and an exhaust gas storage bin 27 which are sequentially communicated, and the condenser 25 is communicated with the jacket reaction kettle 7 through a discharge hole 9.
In the post-treatment, deionized water vapor and methanol vapor in the mixed gas are condensed into liquid state in the condenser 25 to be removed, hydrogen in the residual hydrogen-rich gas is adsorbed in the hydrogen adsorption device 26, and the residual waste gas is transferred to the waste gas storage bin 27, wherein the hydrogen adsorption device 26 can be a pressure swing adsorber, and hydrogen is adsorbed and purified from the hydrogen-rich gas stream by a pressure swing adsorption method, and can also be a hydrogen purification pressure swing adsorption device provided in China patent application number 201521056228.9.
Referring to fig. 3 and fig. 4, the solar heater 12 includes a solar panel 13, a voltage stabilizer 14 and an electric heating coil 15 that are electrically connected in sequence, the electric heating coil 15 is located in a heat conducting oil heating box 16, the heat conducting oil heating box 16 is communicated with the heat conducting oil pipe 11, the solar panel 13 converts solar energy into electric energy, and the electric heating coil 15 is electrically heated by the voltage stabilizer 14, so that the electric heating coil 15 heats heat conducting oil flowing through the heat conducting oil heating box 16.
Preferably, the electric heating coil 15 is also electrically connected with an external power supply through a standby wire 17, so that the external power supply can be used for supplying power under the condition that the solar panel 13 is insufficient in power supply, and the working stability of the device is ensured.
Preferably, the bottom of the conduction oil heating tank 16 is further provided with a stirring rotor 18 capable of rotating relative to the conduction oil heating tank 16, so that uniformity of the temperature of the conduction oil in the conduction oil heating tank 16 can be improved.
The working principle of the utility model is as follows: when the utility model is used, methanol in a methanol storage tank 1 and deionized water in a deionized water storage tank 2 are respectively conveyed to a methanol evaporator 4 and a water evaporator 6 through a first conveying pump 3 and a second conveying pump 5, the liquid state is evaporated to be gaseous, the pressure gauge 21 is used for monitoring the gas pressure in the methanol evaporator 4 and the water evaporator 6, the vacuum source 22 and the inert gas source 23 are used for matching and removing air in a reaction chamber 72, the methanol gas and the deionized water vapor enter the reaction chamber 72 through a feeding pipeline 19 with a layer of magnetic coating layer 20 on the outer surface, a catalyst in a catalyst storage bottle 8 is added into the reaction chamber 72, high-temperature heat conduction oil heated by an electric heating ring 15 in a heat conduction oil heating box 16 in the heat conduction oil pipe 11 flows into a jacket layer 73 from a heat conduction oil inlet 75, and then flows out of the jacket layer 73 from a heat conduction oil outlet 74, so as to heat gaseous methanol and gaseous deionized water in the reaction chamber 72, the methanol is cracked, the reacted mixed gas is discharged through a discharge port 9, the deionized water vapor and the methanol vapor are cooled in the condenser 25 to be liquid state, the rest hydrogen in the hydrogen rich gas is adsorbed in a hydrogen adsorption device 26, the rest of the hydrogen gas is transferred to the waste gas, and the rest of the catalyst in the catalyst storage bottle 8 is transferred to the reaction chamber 27, and the catalyst is added into the catalyst layer 19 in the reaction layer and the outer surface of the reaction chamber is prevented from being provided with a magnetic coating layer 71, the magnetic coating layer is produced in the utility model, the surface of the utility model, the cobalt is prevented from being converted into the reaction layer and the magnetic coating layer is produced, the surface is coated with a by the surface layer is coated with a by the cobalt-coated with a byproduct layer, and a byproduct layer is produced in the surface layer is completely-coated by the cobalt layer and can be completely coated with the cobalt-coated by the cobalt layer and can be completely oxidized by the cobalt and the catalyst.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the methanol tank 1, the deionized water tank 2, the first transfer pump 3, the methanol evaporator 4, the second transfer pump 5, the deionized water evaporator 6, the jacketed reaction tank 7, the catalyst reservoir 8, the discharge port 9, the post-treatment module 10, the heat conduction oil pipe 11, the solar heater 12, the solar panel 13, the voltage stabilizer 14, the electric coil 15, the heat conduction oil heating tank 16, the backup wire 17, the stirring rotor 18, the feed pipe 19, the magnetic coating layer 20, the pressure gauge 21, the vacuum source 22, the inert gas source 23, the control valve 24, the condenser 25, the hydrogen adsorbing device 26, the offgas reservoir 27, the reaction tank body 71, the reaction chamber 72, the jacketed layer 73, the heat conduction oil outlet 74, the heat conduction oil inlet 75, the blow valve 76, the enamel layer 77, the catalyst feed pipe 78, the three-way valve 79, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (6)
1. The utility model provides a be applied to supplementary methyl alcohol hydrogen plant's of solar energy power supply methyl alcohol cleavage reactor, includes jacket reation kettle (7), its characterized in that: the jacket reaction kettle (7) comprises a reaction kettle body (71) with a reaction chamber (72) inside, a jacket layer (73) is arranged on the outer surface of the reaction kettle body (71), a heat conducting oil outlet (74) is arranged on the upper section of the jacket layer (73), a heat conducting oil inlet (75) is arranged on the lower section of the jacket reaction kettle (7), a discharge hole (9) is formed in the jacket reaction kettle (7), a discharge valve (76) is arranged at the bottom of the jacket reaction kettle, a catalyst feeding pipe (78) communicated with the reaction chamber (72) is arranged at the top of the jacket reaction kettle (7), a catalyst storage bottle (8) is detachably connected to the catalyst feeding pipe (78), a feeding pipeline (19) with one end penetrating through the side wall of the reaction kettle body (71) and communicated with the reaction chamber (72) is further arranged on the outer surface of the feeding pipeline (19), and a layer of magnetic coating layer (20) is arranged on the inner surface of the reaction kettle body (71);
the reaction chamber (72) is also communicated with a vacuum source (22) and an inert gas source (23), and a control valve (24) is respectively arranged between the vacuum source (22) and the inert gas source (23) and between the vacuum source and the jacket reaction kettle (7);
a three-way valve (79) with one end communicated with the reaction chamber (72) is further arranged on the jacket reaction kettle (7), and the other two ends of the three-way valve (79) are respectively communicated with a vacuum source (22) and an inert gas source (23);
one end of the feeding pipeline (19) far away from the reaction chamber (72) is communicated with a methanol evaporator (4) and/or a deionized water evaporator (6), the methanol storage tank (1) is communicated with the methanol evaporator (4) through a first conveying pump (3), the deionized water storage tank (2) is communicated with the deionized water evaporator (6) through a second conveying pump (5), the device further comprises a post-treatment assembly (10) and a heat conducting oil pipe (11), the post-treatment assembly (10) is communicated with the discharge port (9), two ends of the heat conducting oil pipe (11) are respectively communicated with a heat conducting oil outlet (74) and a heat conducting oil inlet (75), and the solar heater (12) is arranged on the heat conducting oil pipe (11);
the solar heater (12) comprises a solar cell panel (13), a voltage stabilizer (14) and an electric heating ring (15) which are electrically connected in sequence, the electric heating ring (15) is positioned in a heat conduction oil heating box (16), and the heat conduction oil heating box (16) is communicated with the heat conduction oil pipe (11).
2. The methanol cracking reactor for a solar-powered assisted methanol-to-hydrogen plant of claim 1, wherein: the electric heating coil (15) is also electrically connected with an external power supply through a standby wire (17).
3. The methanol cracking reactor for a solar-powered assisted methanol-to-hydrogen plant of claim 1, wherein: the bottom of the conduction oil heating box (16) is also provided with a stirring rotor (18) which can rotate relative to the conduction oil heating box (16).
4. The methanol cracking reactor for a solar-powered assisted methanol-to-hydrogen plant of claim 1, wherein: the methanol evaporator (4) and the deionized water evaporator (6) are both provided with pressure gauges (21).
5. The methanol cracking reactor for a solar-powered assisted methanol-to-hydrogen plant of claim 1, wherein: the post-treatment assembly (10) comprises a condenser (25), a hydrogen adsorption device (26) and an exhaust gas storage bin (27) which are sequentially communicated, and the condenser (25) is communicated with the jacket reaction kettle (7) through a discharge hole (9).
6. The methanol cracking reactor for a solar-powered assisted methanol-to-hydrogen plant of claim 5, wherein: the hydrogen adsorption device (26) is a pressure swing adsorber.
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| US8771387B2 (en) * | 2009-06-09 | 2014-07-08 | Sundrop Fuels, Inc. | Systems and methods for solar-thermal gasification of biomass |
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