CN112657431A - Evacuating device for hydrogen production by methanol cracking - Google Patents
Evacuating device for hydrogen production by methanol cracking Download PDFInfo
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- CN112657431A CN112657431A CN202011389951.4A CN202011389951A CN112657431A CN 112657431 A CN112657431 A CN 112657431A CN 202011389951 A CN202011389951 A CN 202011389951A CN 112657431 A CN112657431 A CN 112657431A
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Abstract
The invention discloses a vacuumizing device for hydrogen production by methanol cracking, which comprises a mixing mechanism and a cracking mechanism, wherein the mixing mechanism comprises a mixing barrel, the front side of the mixing barrel is connected with a perspective window I in a penetrating manner, a pressure gauge I and a temperature gauge I are respectively arranged on two sides of the inner wall of the perspective window I, one side of the top surface of the mixing barrel is connected with a measuring cylinder in a penetrating manner, a control valve is arranged on the inner wall of the measuring cylinder, the other side of the top surface of the mixing barrel is fixedly connected with a water pump through screws, the output end of the water pump is fixedly connected with a suction tube I, the bottom side of the mixing barrel is also provided with a driving motor, the output end of the driving motor penetrates through the bottom surface of the mixing barrel and is fixedly connected with a stirring blade, the cracking mechanism comprises a cracking barrel, the bottom. The invention has reasonable design, compact structure and high methanol cracking efficiency, thoroughly separates the cracked gas and provides certain guarantee for the methanol cracking quality.
Description
Technical Field
The invention relates to the technical field of methanol cracking production equipment, in particular to an evacuating device for hydrogen production by methanol cracking.
Background
The methanol and desalted water are mixed according to a certain proportion, preheated by a heat exchanger and then sent into a vaporization tower, vaporized water methanol steam is superheated by a boiler and then enters a converter to carry out catalytic cracking and conversion reaction on a catalyst bed layer, the produced converted gas contains about 74 percent of hydrogen and 24 percent of carbon dioxide, and an evacuating device is needed after the hydrogen is cracked.
Through retrieval, application No. 201911044214.8 discloses a methanol pyrolysis hydrogen production device, including furnace body frame and electrical control box, the symmetry is equipped with heating wire guard shield respectively to furnace body frame both sides, electrical control box one side is equipped with first panel and second panel in proper order, be equipped with the manometer on the first panel respectively, methanol flowmeter and compressed air flowmeter, be equipped with nitrogen gas flowmeter and pyrolysis gas flowmeter on the second panel respectively, furnace body frame top is equipped with the furnace body lamina tecti, be located the intermediate position of furnace body lamina tecti and be equipped with a plurality of pyrolysis furnace courages, the furnace body lamina tecti is kept away from one side of a plurality of pyrolysis furnace courages and is equipped with the pyrolysis gas export, the pyrolysis gas export passes furnace body lamina tecti and is connected with pyrolysis gas export stop valve, the other end that pyrolysis gas export stop valve kept away from the pyrolysis gas export is connected with pyrolysis gas flow control valve, pneumatic valve, pyrolysis gas export stop, 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 pyrolysis gas flow control valve with nitrogen gas relief pressure valve, the opposite side of 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 charcoal drain, the connecting tube of methyl alcohol entry, be equipped with blowdown stop valve and unloading pneumatic valve on the pipeline that burns the charcoal drain and cooler and be connected respectively, it still is equipped with the compressed air entry of being connected with a plurality of cracking furnace courage to burn charcoal drain below.
When the device is used, the cracking effect is poor, and the mixed gas after cracking is not thoroughly separated, so that certain influence is caused on the quality of hydrogen production by cracking, and the use requirements of people are difficult to meet, so that the research on the evacuating device for hydrogen production by methanol cracking is necessary.
Disclosure of Invention
The invention aims to solve the problems of labor consumption and low efficiency in the prior art, and provides an evacuating device for hydrogen production by methanol cracking.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vacuumizing device for hydrogen production by methanol cracking comprises a mixing mechanism and a cracking mechanism, wherein the mixing mechanism comprises a mixing barrel, the front side of the mixing barrel is connected with a perspective window I in a penetrating way, a pressure gauge I and a temperature gauge I are respectively arranged on two sides of the inner wall of the perspective window I, one side of the top surface of the mixing barrel is connected with a measuring cylinder in a penetrating way, a control valve is arranged on the inner wall of the measuring cylinder, the other side of the top surface of the mixing barrel is fixedly connected with a water pump through screws, the output end of the water pump is fixedly connected with a suction tube I, the bottom side of the mixing barrel is further provided with a driving motor, the output end of the driving motor penetrates through the bottom surface of the mixing barrel and is fixedly connected with a stirring blade, the cracking mechanism comprises a cracking barrel, the bottom end of the cracking barrel is fixedly connected with a heating chamber, the front side of the cracking barrel is also in through connection with a second perspective window, two inner walls of the second perspective window are respectively provided with a second pressure gauge and a second temperature gauge, an inlet pipe is in through connection between the output end of the water pump and the side wall of the middle part of the cracking barrel, one side of the cracking mechanism, which is far away from the mixing mechanism, is also provided with an impurity removing mechanism, the impurity removing mechanism comprises an impurity removing barrel, one side of the top surface of the impurity removing barrel is in through connection with a water inlet pipe, a solenoid valve is arranged on the water inlet pipe, one side of the top surface of the impurity removing barrel is fixedly connected with a first air pump through screws, the output end of the first air pump is fixedly connected with a second air pump, the middle part of the impurity removing barrel is fixedly connected with a second air pump through screws, the input end of the second air pump is fixedly connected with a second air outlet pipe, the, impurity removing mechanism deviates from cracking mechanism one side and still is provided with the gas holder, and link up between booster pump output and the gas holder input has air duct two.
Preferably, compounding bucket, schizolysis bucket and miscellaneous bucket lower extreme outside all are provided with damper, and damper includes the pole setting, and pole setting upper end inboard has the connecting block through the screw rigid coupling, and the connecting block deviates from the equal rigid coupling of connecting block one end and has the blotter, compounding bucket, schizolysis bucket and miscellaneous bucket all pass through the screw rigid coupling on the connecting block.
Preferably, the shock-absorbing component is provided with a plurality of and evenly distributed in compounding bucket, schizolysis bucket and miscellaneous bucket lower extreme outside position.
Preferably, the lower end of the first suction pipe extends to the position of the bottom side of the mixing barrel.
Preferably, the lower end of the cracking barrel penetrates through the cracking barrel, and the heating sheet is an electric heating sheet.
Preferably, the feed pipe is located at the lower side position of the boiler and the catalyst bed layer, and the catalyst bed layer is located at the upper side of the catalyst bed layer.
Preferably, the gas input pipe is downwards broken and extends to the lower side position of the impurity removing barrel, and the gas output pipe is arranged at the upper side position of the inner wall of the impurity removing barrel.
Preferably, a sealing ring is further fixed at the joint of the output end of the driving motor and the mixing barrel.
Preferably, the boiler heater adopts snake-shaped copper wires for heating, and the catalyst bed layer is cylindrical and woven by adopting a screen.
Compared with the prior art, the invention provides an evacuating device for hydrogen production by methanol cracking, which has the following beneficial effects:
1. the invention has reasonable design, compact structure and high methanol cracking efficiency, thoroughly separates the cracked gas and provides certain guarantee for the methanol cracking quality;
2. when the device is used, the mixture of methanol and desalted water is heated and evaporated by the heating sheet, the evaporated gas is heated again by the boiler so as to improve the temperature of the gas, the high-temperature gas reacts with the catalyst to be cracked to form the mixed gas of carbon dioxide and hydrogen, and then the carbon dioxide and the hydrogen are removed during water treatment, so that pure hydrogen is obtained, the gas is heated fully, the catalytic reaction is thorough, and the cracking efficiency of the mixture of methanol and desalted water is improved;
3. the front sides of the mixing barrel and the cracking barrel are respectively provided with a guide rail; the transparent window I and the transparent window II can monitor the hiccup pressure and temperature of the mixing barrel and the cracking barrel in real time through the pressure gauge I, the temperature gauge I, the pressure gauge II and the temperature gauge II during reaction, so that the production safety and the cracking conversion rate of the methanol and desalted water mixture are well guaranteed;
4. according to the invention, the damping assemblies are arranged on the outer sides of the lower ends of the mixing barrel, the cracking barrel and the impurity removing barrel, so that the device can be buffered to a certain extent under the action of external force during operation, and the device is ensured to operate more stably.
Drawings
FIG. 1 is a schematic structural diagram of an evacuation apparatus for hydrogen production by methanol cracking according to the present invention;
FIG. 2 is a schematic structural diagram of a material mixing mechanism in the evacuating device for hydrogen production by methanol cracking, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a cracking mechanism in an evacuation device for hydrogen production by methanol cracking according to the present invention;
FIG. 4 is a front sectional view of a cracking mechanism in the evacuating device for hydrogen production by methanol cracking, which is provided by the invention;
FIG. 5 is a schematic structural diagram of an impurity removing mechanism in an evacuation device for hydrogen production by methanol cracking according to the present invention;
fig. 6 is a schematic structural diagram of a shock absorption assembly in the evacuation device for hydrogen production by methanol cracking according to the present invention.
In the figure: the device comprises a mixing mechanism 1, a cracking mechanism 2, a feeding pipe 3, an impurity removing mechanism 4, a first air guide pipe 409, a condensation pipe 5, an air storage tank 6, a second air guide pipe 7, a damping assembly 8, a mixing barrel 101, a first perspective window 102, a first pressure gauge 103, a first thermometer 104, a measuring cylinder 105, a water pump 106, a first suction pipe 107, a driving motor 108, a cracking barrel 201, a heating chamber 202, a heating plate 203, a boiler 204, a catalyst bed layer 205, a sealing plug 206, a second perspective window 207, a second pressure gauge 208, a second thermometer 209, an impurity removing barrel 401, a water inlet pipe 402, an electromagnetic valve 403, a first air pump 404, a second air input pipe 405, a second air pump 406, a second air output pipe 407, a booster pump 408, a vertical rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-6, an evacuating device for hydrogen production by methanol cracking comprises a mixing mechanism 1 and a cracking mechanism 2, wherein the mixing mechanism 1 comprises a mixing barrel 101, a perspective window one 102 is penetratingly connected to the front side of the mixing barrel 101, a pressure gauge one 103 and a temperature gauge one 104 are respectively installed on two sides of the inner wall of the perspective window one 102, a measuring cylinder 105 is penetratingly connected to one side of the top surface of the mixing barrel 101, a control valve is installed on the inner wall of the measuring cylinder 105, a water pump 106 is fixedly connected to the other side of the top surface of the mixing barrel 101 through a screw, a suction pipe one 107 is fixedly connected to the output end of the water pump 106, a driving motor 108 is further arranged on the bottom side of the mixing barrel 101, the output end of the driving motor 108 penetrates through the bottom surface of the mixing barrel 101 and is fixedly connected with stirring blades, the cracking mechanism 2 comprises a cracking barrel 201, a heating chamber 202 is fixedly connected to the bottom, the top center of the cracking barrel 201 is fixed with a sealing plug 206 through threads, the front side of the cracking barrel 201 is also connected with a second perspective window 207 in a penetrating way, two inner walls of the second perspective window 207 are respectively provided with a second pressure gauge 208 and a second thermometer 209, an inlet pipe 3 is connected between the output end of the water pump 106 and the middle side wall of the cracking barrel 201 in a penetrating way, one side of the cracking mechanism 2, which deviates from the mixing mechanism 1, is also provided with an impurity removing mechanism 4, the impurity removing mechanism 4 comprises an impurity removing barrel 401, one side of the top surface of the impurity removing barrel 401 is connected with a water inlet pipe 402 in a penetrating way, an electromagnetic valve 403 is arranged on the water inlet pipe 402, one side of the top surface of the impurity removing barrel 401 is fixedly connected with a first air pump 404 through screws, the output end of the first air pump 404 is fixedly connected with an air input pipe 405, the middle of the impurity removing barrel 401 is fixedly connected with a, fixedly connected with air duct 409 between booster pump 408's input and the two 406 output of air pump, it has condenser pipe 5 still to link up between the one 404 input of air pump and the heating chamber 202 top surface, it still is provided with gas holder 6 to remove miscellaneous mechanism 4 and deviate from 2 one sides of schizolysis mechanism, and link up between booster pump 408 output and the 6 inputs of gas holder has air duct two 7.
When the device is used, the mixture of methanol and desalted water is heated and evaporated by the heating sheet 203, the evaporated gas is heated again by the boiler 204 to improve the temperature of the gas, the high-temperature gas reacts with the catalyst to be cracked to form the mixed gas of carbon dioxide and hydrogen, then the carbon dioxide and the hydrogen are removed during water treatment, so that pure hydrogen is obtained, and the gas is pressed into the gas storage tank 6 to be stored under the action of the booster pump 408.
Example two
As shown in fig. 1 to 6, this embodiment is substantially the same as embodiment 1, and preferably, the outer sides of the lower ends of the mixing barrel 101, the cracking barrel 201 and the impurity removing barrel 401 are all provided with a damping assembly 8, the damping assembly 8 includes a vertical rod 801, the inner side of the upper end of the vertical rod 801 is fixedly connected with a connecting block 802 through screws, one end of the connecting block 802, which is far away from the connecting block 802, is fixedly connected with a cushion 803, and the mixing barrel 101, the cracking barrel 201 and the impurity removing barrel 401 are all fixedly connected to the connecting block 802 through screws.
In this embodiment, through being provided with a plurality of damper 8 in compounding bucket 101, schizolysis bucket 201 and the miscellaneous bucket 401 lower extreme outside of removing to can certain buffering under receiving the exogenic action when making the device move, and then ensure that the device operation is more stable.
EXAMPLE III
As shown in fig. 1 and 2, in this embodiment, basically the same as embodiment 1, preferably, a sealing ring is further fixed at the junction of the output end of the driving motor 108 and the mixing bowl 101.
In this embodiment, through at driving motor 108 output and mixing bucket 101 handing-over department rigid coupling sealing washer to guarantee the leakproofness of device, avoid methyl alcohol and demineralized water to spill over the waste that causes the resource.
Example four
As shown in fig. 1 and 2, the present embodiment is substantially the same as embodiment 1, and preferably, the lower end of the suction pipe 107 extends to the bottom position of the mixing bowl 101.
In this embodiment, the lower end of the suction pipe 107 extends to the bottom of the mixing bowl 101, so that the methanol and desalted water mixture can be completely sucked out.
EXAMPLE five
As shown in fig. 4, this embodiment is substantially the same as embodiment 1, and preferably, the lower end of the cracking barrel 201 is disposed therethrough, and the heating sheet 203 is an electric heating sheet.
In this embodiment, the setting is run through to schizolysis bucket 201 lower extreme to it is faster to make methyl alcohol and desalinized water mix the mixture to be heated, and then has improved the efficiency of schizolysis.
EXAMPLE six
As shown in fig. 3 and 4, this embodiment is substantially the same as embodiment 1, and preferably, the feed pipe 3 is located at a position lower than the boiler 204 and the catalyst bed 205, and the catalyst bed 205 is located at an upper side of the catalyst bed 205.
The boiler 204 is heated by snake-shaped copper wires, and the catalyst bed layer 205 is cylindrical and woven by adopting a screen mesh.
In this embodiment, the boiler 204 is heated by using a snake-shaped copper wire, and the catalyst bed 205 is cylindrical and woven by using a screen, so that the evaporated gas is heated more quickly and uniformly, and the gas can be in complete contact with the catalyst.
EXAMPLE seven
As shown in fig. 1 and 5, in this embodiment, it is substantially the same as that of embodiment 1, and preferably, the gas inlet pipe 405 is downwardly extended to a lower position of the trash can 401, and the gas outlet pipe 407 is disposed at an upper position of an inner wall of the trash can 401.
In this embodiment, the gas inlet pipe 405 is disconnected and extends to the lower side of the impurity removing barrel 401, and the gas outlet pipe 407 is disposed at the upper side of the inner wall of the impurity removing barrel 401, so that the gas can be smoothly kept below the water surface for adsorption.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The evacuating device for hydrogen production through methanol cracking comprises a mixing mechanism (1) and a cracking mechanism (2), and is characterized in that the mixing mechanism (1) comprises a mixing barrel (101), a perspective window I (102) is connected to the front side of the mixing barrel (101) in a penetrating manner, a pressure gauge I (103) and a temperature gauge I (104) are respectively installed on two sides of the inner wall of the perspective window I (102), a measuring cylinder (105) is connected to one side of the top surface of the mixing barrel (101) in a penetrating manner, a control valve is installed on the inner wall of the measuring cylinder (105), a water pump (106) is fixedly connected to the other side of the top surface of the mixing barrel (101) through screws, a suction pipe I (107) is fixedly connected to the output end of the water pump (106), a driving motor (108) is further arranged on the bottom side of the mixing barrel (101), and the output;
the cracking mechanism (2) comprises a cracking barrel (201), a heating chamber (202) is fixedly connected to the bottom end of the cracking barrel (201), a heating plate (203) is fixedly connected to the inner bottom surface of the heating chamber (202), a boiler (204) and a catalyst bed layer (205) are further fixedly connected to the inner wall of the upper side of the cracking barrel (201), a sealing plug (206) is further fixedly arranged at the center position of the top end of the cracking barrel (201) through threads, a perspective window II (207) is further penetratingly connected to the front side of the cracking barrel (201), a pressure gauge II (208) and a temperature gauge II (209) are respectively installed on two sides of the inner wall of the perspective window II (207), a feeding pipe (3) is penetratingly connected between the output end of the water pump (106) and the side wall of the middle of the cracking barrel (201), and an impurity removing;
remove miscellaneous mechanism (4) including removing miscellaneous bucket (401), remove miscellaneous bucket (401) top surface one side through connection and have inlet tube (402), install solenoid valve (403) on inlet tube (402), it has air pump one (404) to remove miscellaneous bucket (401) top surface one side through the screw rigid coupling, and the output rigid coupling of air pump one (404) has air input pipe (405), it has air pump two (406) to remove miscellaneous bucket (401) middle part through the screw rigid coupling, and the input rigid coupling of air pump two (406) has air output pipe (407), it still has booster pump (40) through the screw rigid coupling to remove miscellaneous bucket (401) top surface opposite side, 8) fixedly connected with air duct one (409) between the input of booster pump (408) and air pump two (406) output, it still has condenser pipe (5) to run through connection between air pump one (404) input and heating chamber (202) top surface, it still is provided with gas holder (6) to deviate from schizolysis mechanism (2) one side to remove miscellaneous mechanism, and a second air duct (7) is connected between the output end of the booster pump (408) and the input end of the air storage tank (6) in a through way.
2. The evacuating device for hydrogen production through methanol cracking according to claim 1, characterized in that the outer sides of the lower ends of the mixing barrel (101), the cracking barrel (201) and the impurity removing barrel (401) are respectively provided with a damping component (8), each damping component (8) comprises a vertical rod (801), the inner side of the upper end of each vertical rod (801) is fixedly connected with a connecting block (802) through a screw, one end of each connecting block (802) far away from the connecting block (802) is fixedly connected with a cushion pad (803), and the mixing barrel (101), the cracking barrel (201) and the impurity removing barrel (401) are fixedly connected on the connecting block (802) through screws.
3. The evacuating device for the hydrogen production by methanol cracking as claimed in claim 2, wherein the damping components (8) are provided in a plurality and uniformly distributed at the outer side of the lower ends of the material mixing barrel (101) and the material removing barrel (401).
4. The evacuating device for hydrogen production by methanol cracking as claimed in claim 1, wherein the lower end of the first suction pipe (107) extends to the bottom side of the mixing barrel (101).
5. The evacuating device for hydrogen production by methanol cracking as claimed in claim 1, wherein the lower end of the cracking barrel (201) is arranged in a penetrating manner, and the heating sheet (203) is an electric heating sheet.
6. The evacuator for preparing hydrogen by cracking methanol according to claim 1, characterized in that the feeding pipe (3) is located at the lower side of the boiler (204) and the catalyst bed (205), and the catalyst bed (205) is located at the upper side of the catalyst bed (205).
7. The evacuating device for hydrogen production through methanol cracking according to claim 1, wherein the gas input pipe (405) is disconnected and extends to the lower side position of the impurity removing barrel (401), and the gas output pipe (407) is arranged at the upper side position of the inner wall of the impurity removing barrel (401).
8. The evacuating device for hydrogen production by methanol cracking as claimed in claim 1, wherein a sealing ring is further fixed at the joint of the output end of the driving motor (108) and the mixing barrel (101).
9. The evacuator for preparing hydrogen by cracking methanol according to claim 1, wherein the boiler (204) is heated by snake-shaped copper wires, and the catalyst bed (205) is cylindrical and woven by using a screen.
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| CN202011389951.4A CN112657431A (en) | 2020-12-01 | 2020-12-01 | Evacuating device for hydrogen production by methanol cracking |
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| CN202011389951.4A CN112657431A (en) | 2020-12-01 | 2020-12-01 | Evacuating device for hydrogen production by methanol cracking |
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