CN110627017A - Methanol pyrolysis hydrogen production device - Google Patents
Methanol pyrolysis hydrogen production device Download PDFInfo
- Publication number
- CN110627017A CN110627017A CN201911044214.8A CN201911044214A CN110627017A CN 110627017 A CN110627017 A CN 110627017A CN 201911044214 A CN201911044214 A CN 201911044214A CN 110627017 A CN110627017 A CN 110627017A
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- Prior art keywords
- valve
- methanol
- furnace body
- cracking
- vent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 125
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000001257 hydrogen Substances 0.000 title claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 15
- 238000000197 pyrolysis Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000005336 cracking Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 22
- 239000003610 charcoal Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052799 carbon Inorganic materials 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 12
- 230000008021 deposition Effects 0.000 description 7
- 238000005485 electric heating Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- 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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1217—Alcohols
- C01B2203/1223—Methanol
-
- 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
- C01B2203/16—Controlling the process
- C01B2203/169—Controlling the feed
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Fluid Mechanics (AREA)
- Automation & Control Theory (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a methanol high-temperature cracking hydrogen production device, which comprises a furnace body frame and an electric control box, wherein a pressure gauge, a methanol flowmeter, a compressed air flowmeter, a nitrogen flowmeter and a cracking gas flowmeter are respectively arranged on the electric control box, a furnace body top cover plate is arranged at the top end of the furnace body frame, a cracking furnace liner, a cracking gas outlet stop valve, a cracking gas flow regulating valve, a pneumatic valve, a nitrogen regulating valve, a gas pressure reducing valve, a cooler, a cooling water inlet, a cooling water outlet, a charcoal burning vent, a methanol inlet, a vent stop valve, a vent pneumatic valve and a compressed air inlet are respectively arranged in the furnace body frame. The invention has the beneficial effects that: the methanol flow in the furnace pipe is uniform through the two flow meters and the single furnace pipe, the pressure is stable, the carbon removal is changed into automatic carbon removal, the labor intensity of workers is greatly reduced, the precious time is saved, the working efficiency is improved, the energy consumption generated by starting and stopping the machine is reduced, and the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of hydrogen production by pyrolysis, in particular to a methanol pyrolysis hydrogen production device.
Background
Present product in use, it is a flowmeter that methyl alcohol enters into the stove courage and decomposes, such setting can lead to the methyl alcohol that gets into to distribute inhomogeneous in the stove courage, methyl alcohol has the phenomenon of carbon deposit in the stove courage after using a period in addition, serious carbon deposit phenomenon can lead to the boiler tube to be blockked up, need do the plan of shutting down in advance when the stove courage after blockking up removes the carbon operation again, then the manual work is torn open the stove courage lid just, the use tool carries out manual carbon removal, artifical intensity of labour is big, and it is great to open the energy consumption that the shut down consumed, work efficiency is greatly reduced simultaneously also.
Disclosure of Invention
The invention aims to provide a methanol pyrolysis hydrogen production device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a methanol high-temperature cracking hydrogen production device comprises a furnace body rack and an electrical control box, wherein electric heating wire shields are symmetrically arranged on two sides of the furnace body rack respectively, a first panel and a second panel are sequentially arranged on one side of the electrical control box, a pressure gauge, a methanol flow meter and a compressed air flow meter are arranged on the first panel respectively, a nitrogen flow meter and a cracking gas flow meter are arranged on the second panel respectively, a furnace body top cover plate is arranged at the top end of the furnace body rack, a plurality of cracking furnace liners are arranged at the middle position of the furnace body top cover plate, a cracking gas outlet is arranged on one side of the furnace body top cover plate far away from the cracking furnace liners, the cracking gas outlet penetrates through the furnace body top cover plate and is connected with a cracking gas outlet stop valve, the other end of the cracking gas outlet stop valve far away from the cracking gas outlet is connected with a cracking gas flow regulating valve and a pneumatic valve, one side of, Nitrogen gas pipeline that compressed air flowmeter is connected, be equipped with nitrogen gas governing valve and nitrogen gas relief pressure valve on the nitrogen gas pipeline respectively, nitrogen gas governing valve keeps away from with the nitrogen gas relief pressure valve the opposite side of schizolysis gas flow governing valve, pneumatic valve is equipped with the cooler, the cooler is equipped with cooling water inlet and cooling water outlet respectively, cooler below one side is equipped with and burns the connecting tube of charcoal drain, methyl alcohol entry, burn the charcoal drain with be equipped with evacuation stop valve and unloading pneumatic valve on the pipeline that the cooler is connected respectively, it still is equipped with a plurality of still to burn charcoal drain below the compressed air inlet that the schizolysis furnace courage is connected.
Preferably, four cracking furnace liners are arranged in the middle of the furnace body top cover plate.
Preferably, a plurality of supports are arranged around the lower end of the cooler and connected with the lower end of the furnace body rack.
Preferably, the charcoal burning vent is of a flange type structure.
Preferably, the cracking furnace liner, the cracking gas outlet stop valve, the cracking gas flow regulating valve, the pneumatic valve, the nitrogen regulating valve, the nitrogen pressure reducing valve, the cooler, the cooling water inlet, the cooling water outlet, the charcoal burning vent, the methanol inlet, the vent stop valve, the vent pneumatic valve and the compressed air inlet are all connected through pipelines.
Preferably, the cooling water inlet and the cooling water outlet are respectively arranged at the upper end and the lower end of the cooler.
Preferably, the methanol inlet is connected with the two methanol flow meters through pipelines respectively.
Advantageous effects
The methanol flow in the furnace pipe in the device is uniform through the two flow meters and the single furnace pipe, the pressure is stable, the carbon deposition removal is changed from manual carbon deposition removal after the original shutdown into automatic carbon deposition removal, the labor intensity of workers is greatly reduced, the precious time is saved, the working efficiency is improved, the energy consumption generated by the shutdown is reduced, and the service life of the equipment is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a side view of the present invention.
Reference numerals
1-furnace body frame, 2-electrical appliance control box, 3-electric heating wire shield, 4-first panel, 5-second panel, 6-pressure gauge, 7-methanol flowmeter, 8-compressed air flowmeter, 9-nitrogen flowmeter, 10-cracking gas flowmeter, 11-cracking gas outlet, 12-cracking gas outlet stop valve, 13-nitrogen regulating valve, 14-cracking gas flow regulating valve, 15-nitrogen pressure reducing valve, 16-pneumatic valve, 17-cracking furnace bladder, 18-furnace body top cover plate, 19-cooler, 20-cooling water inlet, 21-cooling water outlet, 22-charcoal burning vent, 23-methanol inlet, 25-compressed air inlet, 25-vent stop valve and 26-vent pneumatic valve.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Examples
As shown in figures 1-5, a methanol high-temperature cracking hydrogen production device comprises a furnace body frame 1 and an electrical control box 2, wherein two sides of the furnace body frame 1 are respectively and symmetrically provided with an electric heating wire shield 3, one side of the electrical control box 2 is sequentially provided with a first panel 4 and a second panel 5, the first panel 4 is respectively provided with a pressure gauge 6, a methanol flow meter 7 and a compressed air flow meter 8, the second panel 5 is respectively provided with a nitrogen flow meter 9 and a cracking gas flow meter 10, the top end of the furnace body frame 1 is provided with a furnace body top cover plate 18, a plurality of cracking furnace liners 17 are arranged in the middle of the furnace body top cover plate 18, one side of the furnace body top cover plate 18, which is far away from the cracking furnace liners 17, is provided with a cracking gas outlet 11, the cracking gas outlet 11 penetrates through the furnace body top cover plate 18 to be connected with a cracking gas outlet stop valve 12, pneumatic valve 16 connects, pyrolysis gas outlet stop valve 12 one side is equipped with and methyl alcohol flowmeter 7, the nitrogen gas pipeline that compressed air flowmeter 8 is connected, be equipped with nitrogen gas governing valve 13 and nitrogen gas relief pressure valve 15 on the nitrogen gas pipeline respectively, nitrogen gas governing valve 13 keeps away from pyrolysis gas flow control valve 14 with nitrogen gas relief pressure valve 15, the opposite side of pneumatic valve 16 is equipped with cooler 19, cooler 19 is equipped with cooling water inlet 20 and cooling water outlet 21 respectively, cooler 19 below one side is equipped with and burns charcoal drain 22, the connecting tube of methyl alcohol entry 23, be equipped with air release stop valve 25 and air release valve 26 on the pipeline that burns charcoal drain 22 and cooler 19 and be connected respectively, it still is equipped with the compressed air entry 24 of being connected with a plurality of cracking furnace courage 17 still to burn charcoal drain 22 below.
Preferably, four cracking furnace liners 17 are arranged in the middle of the furnace body top cover plate 18.
Preferably, a plurality of brackets are arranged around the lower end of the cooler 19, and the plurality of brackets are connected with the lower end of the furnace body frame 1.
Preferably, the charcoal-fired vent 22 is provided as a flange-type structure.
Preferably, the cracking furnace container 17, the cracked gas outlet 11, the cracked gas outlet stop valve 12, the cracked gas flow regulating valve 14, the pneumatic valve 16, the nitrogen regulating valve 13, the nitrogen reducing valve 15, the cooler 19, the cooling water inlet 20, the cooling water outlet 21, the charcoal burning vent 22, the methanol inlet 23, the vent stop valve 25, the vent pneumatic valve 26 and the compressed air inlet 24 are all connected through pipelines.
Preferably, the cooling water inlet 20 and the cooling water outlet 21 are provided at the upper and lower ends of the cooler 19, respectively.
Preferably, the methanol inlet 23 is connected to two methanol flow meters 7 through pipes, respectively.
Methanol passes through a container with certain pressure, passes through a pipeline to a methanol flowmeter, has two paths of flow scores, respectively passes through a pneumatic valve, enters a cracking furnace liner, has the temperature of 850 ℃, is completely decomposed, and is sent to a use point through a cooler to obtain normal-temperature gas.
The original one flowmeter is changed into two flowmeters which are respectively put into 2 independent cracking furnace liners, so that the amount of methanol fed into each furnace liner is uniform and consistent, and fluctuation is avoided. The carbon deposition in the furnace pipe is automatically removed, nitrogen and compressed air in a certain proportion are introduced, the nitrogen and the compressed air are mixed and then introduced into the furnace, and the air and the carbon deposition on the pipe wall generate the combustion effect. The carbon deposition removing time and period are controlled by a PLC automatically corresponding pneumatic valves, and the carbon deposition removing waste gas is discharged to the atmosphere through an emptying pipeline through post-treatment.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.
Claims (7)
1. The utility model provides a methyl alcohol pyrolysis hydrogen plant, includes furnace body frame (1) and electrical control box (2), its characterized in that: the furnace body comprises a furnace body frame (1), and is characterized in that heating wire protective covers (3) are symmetrically arranged on two sides of the furnace body frame (1) respectively, a first panel (4) and a second panel (5) are sequentially arranged on one side of an electric appliance control box (2), a pressure gauge (6), a methanol flow meter (7) and a compressed air flow meter (8) are respectively arranged on the first panel (4), a nitrogen flow meter (9) and a cracking gas flow meter (10) are respectively arranged on the second panel (5), a furnace body top cover plate (18) is arranged at the top end of the furnace body frame (1), a plurality of cracking furnace liners (17) are arranged at the middle position of the furnace body top cover plate (18), a cracking gas outlet (11) is arranged on one side of the furnace body top cover plate (18) far away from the cracking furnace liners (17), the cracking gas outlet (11) penetrates through the furnace body top cover plate (18), the other end of the pyrolysis gas outlet stop valve (12) far away from the pyrolysis gas outlet (11) is connected with a pyrolysis gas flow regulating valve (14) and a pneumatic valve (16), a nitrogen pipeline connected with a methanol flowmeter (7) and a compressed air flowmeter (8) is arranged on one side of the pyrolysis gas outlet stop valve (12), a nitrogen regulating valve (13) and a nitrogen reducing valve (15) are respectively arranged on the nitrogen pipeline, the other sides of the pyrolysis gas flow regulating valve (14) and the pneumatic valve (16) far away from the nitrogen regulating valve (13) and the nitrogen reducing valve (15) are provided with a cooler (19), the cooler (19) is respectively provided with a cooling water inlet (20) and a cooling water outlet (21), connecting pipelines with a charcoal burning vent (22) and a methanol inlet (23) are arranged on one side below the cooler (19), and the charcoal burning vent (22) and the pipeline connected with the cooler (19) are respectively provided with a vent stop valve (25) and a vent stop valve (16) And a pneumatic valve (26), wherein a compressed air inlet (24) connected with the plurality of cracking furnace liners (17) is further arranged below the charcoal burning vent (22).
2. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: and four cracking furnace liners (17) are arranged in the middle of the furnace body top cover plate (18).
3. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: a plurality of supports are arranged around the lower end of the cooler (19), and the supports are connected with the lower end of the furnace body rack (1).
4. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: the charcoal burning vent (22) is of a flange type structure.
5. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: the cracking furnace comprises a cracking furnace liner (17), a cracking gas outlet (11), a cracking gas outlet stop valve (12), a cracking gas flow regulating valve (14), a pneumatic valve (16), a nitrogen regulating valve (13), a nitrogen reducing valve (15), a cooler (19), a cooling water inlet (20), a cooling water outlet (21), a charcoal burning vent (22), a methanol inlet (23), a vent stop valve (25), a vent air valve (26) and a compressed air inlet (24) which are all connected through pipelines.
6. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: the cooling water inlet (20) and the cooling water outlet (21) are respectively arranged at the upper end and the lower end of the cooler (19).
7. The apparatus for producing hydrogen by pyrolysis of methanol according to claim 1, characterized in that: the methanol inlet (23) is respectively connected with the two methanol flow meters (7) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044214.8A CN110627017A (en) | 2019-10-30 | 2019-10-30 | Methanol pyrolysis hydrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044214.8A CN110627017A (en) | 2019-10-30 | 2019-10-30 | Methanol pyrolysis hydrogen production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110627017A true CN110627017A (en) | 2019-12-31 |
Family
ID=68978354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911044214.8A Pending CN110627017A (en) | 2019-10-30 | 2019-10-30 | Methanol pyrolysis hydrogen production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110627017A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093777A (en) * | 2020-09-02 | 2020-12-18 | 潘志宏 | Methanol hydrogen production device and method for preparing hydrogen by using same |
| CN112657431A (en) * | 2020-12-01 | 2021-04-16 | 安徽成泰医药科技有限公司 | Evacuating device for hydrogen production by methanol cracking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241701A (en) * | 1985-08-13 | 1987-02-23 | Mitsubishi Heavy Ind Ltd | Pressure swing type gas separator in methanol decomposition apparatus |
| CN1830537A (en) * | 2006-02-15 | 2006-09-13 | 太原理工大学 | Multichannel fixed bed reacter and reaction method |
| CN107032300A (en) * | 2017-05-05 | 2017-08-11 | 金澳科技（湖北）化工有限公司 | A kind of hydrogen production by methanol system of reactor feed temperature stabilization |
| CN108398019A (en) * | 2018-03-27 | 2018-08-14 | 山翁工业炉(嘉善)有限公司 | A kind of band is made charcoal the high efficiency methanol high-temperature cracking furnace of function automatically |
| CN110255499A (en) * | 2019-07-12 | 2019-09-20 | 中蓝能源（深圳）有限公司 | Biomass cracking gases hydrogen production process, device and its control system |
| CN211078460U (en) * | 2019-10-30 | 2020-07-24 | 苏州海连净化设备有限公司 | Methanol pyrolysis hydrogen production device |
-
2019
- 2019-10-30 CN CN201911044214.8A patent/CN110627017A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6241701A (en) * | 1985-08-13 | 1987-02-23 | Mitsubishi Heavy Ind Ltd | Pressure swing type gas separator in methanol decomposition apparatus |
| CN1830537A (en) * | 2006-02-15 | 2006-09-13 | 太原理工大学 | Multichannel fixed bed reacter and reaction method |
| CN107032300A (en) * | 2017-05-05 | 2017-08-11 | 金澳科技（湖北）化工有限公司 | A kind of hydrogen production by methanol system of reactor feed temperature stabilization |
| CN108398019A (en) * | 2018-03-27 | 2018-08-14 | 山翁工业炉(嘉善)有限公司 | A kind of band is made charcoal the high efficiency methanol high-temperature cracking furnace of function automatically |
| CN110255499A (en) * | 2019-07-12 | 2019-09-20 | 中蓝能源（深圳）有限公司 | Biomass cracking gases hydrogen production process, device and its control system |
| CN211078460U (en) * | 2019-10-30 | 2020-07-24 | 苏州海连净化设备有限公司 | Methanol pyrolysis hydrogen production device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112093777A (en) * | 2020-09-02 | 2020-12-18 | 潘志宏 | Methanol hydrogen production device and method for preparing hydrogen by using same |
| CN112093777B (en) * | 2020-09-02 | 2021-08-17 | 潘志宏 | Methanol hydrogen production device and method for preparing hydrogen by using same |
| CN112657431A (en) * | 2020-12-01 | 2021-04-16 | 安徽成泰医药科技有限公司 | Evacuating device for hydrogen production by methanol cracking |
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