CN213569529U - Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide - Google Patents
Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide Download PDFInfo
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- CN213569529U CN213569529U CN202022641610.3U CN202022641610U CN213569529U CN 213569529 U CN213569529 U CN 213569529U CN 202022641610 U CN202022641610 U CN 202022641610U CN 213569529 U CN213569529 U CN 213569529U
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Abstract
The utility model discloses a heat-conducting oil-free methanol water hydrogen production device for recycling carbon dioxide, which comprises a heat accumulator, a light wave tube and a coil pipe, the heat accumulator is communicated with the light wave tube, the coil pipe is arranged on the heat accumulator, the coil pipe is communicated with the cracking pipe, the metering pump is communicated with the heat accumulator, the metering pump is provided with an inlet valve and an outlet valve, the outlet valve is communicated with the heat accumulator, the heat accumulator enters the cracking pipe valve through the coil pipe and is communicated with the cracking pipe, the heat accumulator is communicated with an exhaust pipe, the buffer pipe is communicated with a flame arrester, the control valve I is communicated with a combustor, the control valve II is communicated with a boiler furnace pit, the boiler furnace pit is communicated with a carbon dioxide recoverer, the carbon dioxide recoverer is communicated with the exhaust pipe, the carbon dioxide recoverer is communicated with a condenser, the condenser is communicated with a compressor, and the compressor. The utility model has the advantages that: environmental protection, sanitation, economy, energy conservation and good control.
Description
Technical Field
The utility model relates to a carbon dioxide technical field is retrieved in the hydrogen manufacturing, specifically indicates a methanol-water hydrogen manufacturing of exempting from conduction oil is used for carbon dioxide to retrieve and recycles device.
Background
Carbon dioxide is a source of global warming, and scientists in various countries research and recover carbon dioxide, so that the whole mankind is benefited, and the earth becomes more environment-friendly. The carbon dioxide is recovered by a freezing method through the physical properties of hydrogen and the carbon dioxide, namely, a condensation recoverer is additionally arranged in a flue gas pipe for industry and agriculture to extract carbon dioxide gas. And can be converted into ice making or used for enterprises and units with carbon dioxide requirements in the food processing industry, fire extinguishers and the like.
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:
CH_3OH→CO+2H2(1)；CH_3OH→CO+(1)+H2(2)；CH_3OH+H_2O→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 passed through superheater and superheated, then fed into converter, the catalyst is placed in the converter, and the water-methanol steam is undergone the action of catalyst to make cracking reaction in the converter to produce hydrogen gas 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 heat conduction oil used for providing a heat source for the superheater and the converter is heated by a stainless steel thermocouple, so that the heat conduction oil has uneven heating area, large power consumption, fouling resistance and short service life; 3. a pressure container needs to be built, and the pipe arrangement in the container is complex in construction, long in construction period, time-consuming and labor-consuming; 4. a large amount of heat conducting oil is generally filled in the shell pass of the pressure container, and the heat conducting oil is used for vaporizing mixed gas entering an additive in a heat exchange cracking tube, and directly vaporizing and cracking the mixed gas to convert the mixed gas into hydrogen.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned problem, provide a methanol-water hydrogen manufacturing of exempting from conduction oil of environmental protection, health, economy, energy-conservation, good control is used for carbon dioxide to discharge and recycles the device.
In order to solve the technical problem, the utility model provides a technical scheme does: a heat-conducting oil-free device for recycling carbon dioxide by preparing hydrogen from methanol water comprises a heat accumulator, a light wave tube, a coil, a cracking tube, a buffer tube and a controller, wherein the heat accumulator is communicated with the light wave tube, the heat accumulator is provided with the coil, the coil is communicated with the cracking tube, the cracking tube is communicated with the buffer tube through a converted hydrogen outlet valve and a buffer tube hydrogen inlet valve, the heat accumulator is communicated with a metering pump, the metering pump is provided with an inlet valve and an outlet valve, the outlet valve is communicated with the heat accumulator, the heat accumulator enters the cracking tube valve through the coil and is communicated with the cracking tube, the heat accumulator is communicated with an exhaust tube, the buffer tube is communicated with a flame arrester, the flame arrester is communicated with a first control valve and a second control valve, the first control valve is communicated with a burner, the second control valve is communicated with a boiler cellar, and the boiler cellar is communicated with a carbon dioxide recover, the carbon dioxide recoverer is communicated with the exhaust pipe, the carbon dioxide recoverer is communicated with a condenser, the condenser is communicated with a compressor, the compressor is communicated with a refrigerating pump, and the refrigerating pump is communicated with a refrigerating water tank.
Compared with the prior art, the utility model the advantage lie in: the heat conduction oil pump is not used for circulating heat conduction oil, and the light wave tube is used for irradiating the heat storage ball in the heat accumulator to enable the heat storage ball to radiate and transfer heat, so that the heat accumulator is more environment-friendly, sanitary, economical, energy-saving and well-controlled, and a new environment-friendly, energy-saving and emission-reducing way is provided for hydrogen production of methanol and water; hydrogen generated by the solar cell is used for heating, vaporizing and overheating, and then hydrogen is produced, so that the circulation of hydrogen generated by the solar cell power supply is interrupted, and the requirements of various industries on methanol and water hydrogen production are met.
As an improvement, the metering pump is communicated with a pressure gauge and a protective gas valve, the pressure gauge measures the pressure value of the metering pump, and the protective gas valve guarantees the use safety of the metering pump.
As an improvement, a temperature measuring instrument is arranged on the heat accumulator and measures the temperature of the heat accumulator.
As an improvement, a thermometer is arranged on the cracking tube and measures the temperature of the cracking tube.
As an improvement, the converted hydrogen outlet valve is communicated with a first blow-down valve, so that blow-down is convenient.
As an improvement, the buffer tube is communicated with a second sewage discharge valve, so that sewage discharge is facilitated.
As an improvement, a safety valve is arranged on the buffer tube to ensure the use safety of the buffer tube.
As an improvement, the controller adopts a PLC controller, and the PLC controller carries out multi-point control on the electric control element.
Drawings
FIG. 1 is a block diagram of a device for recycling carbon dioxide by producing hydrogen from methanol water without heat transfer oil.
Reference numerals: 1. the system comprises a heat accumulator, 2, a light wave tube, 3, a coil, 4, a cracking tube, 5, a metering pump, 6, an inlet valve, 7, an outlet valve, 8, a pressure gauge, 9, a protective gas valve, 10, a temperature measuring instrument, 11, a coil pipe inlet cracking tube valve, 12, a temperature gauge, 13, an exhaust pipe, 14, a converted hydrogen outlet valve, 15, a first blow-off valve, 16, a buffer pipe inlet hydrogen valve, 17, a buffer pipe, 18, a safety valve, 19, a second blow-off valve, 20, a flame arrester, 21, a first control valve, 22, a combustor, 23, a second control valve, 24, a boiler furnace pit, 25, a carbon dioxide recoverer, 26, a condenser, 27, a compressor, 28, a refrigeration pump, 29 and a refrigeration water tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawing, the heat-conducting oil-free device for recycling and reusing carbon dioxide by using methanol water for hydrogen production comprises a heat accumulator 1, a light wave tube 2, a coil pipe 3, a cracking tube 4, a buffer tube 17 and a controller, wherein the heat accumulator 1 is communicated with the light wave tube 2, the coil pipe 3 is arranged on the heat accumulator 1, the coil pipe 3 is communicated with the cracking tube 4, the cracking tube 4 is communicated with the buffer tube 17 through a converted hydrogen outlet valve 14 and a buffer tube hydrogen inlet valve 16, the heat accumulator 1 is communicated with a metering pump 5, the metering pump 5 is provided with an inlet valve 6 and an outlet valve 7, the outlet valve 7 is communicated with the heat accumulator 1, the buffer tube 1 enters the cracking tube valve 11 through the coil pipe and is communicated with the cracking tube 4, the heat accumulator 1 is communicated with an exhaust pipe 13, the flame arrester 17 is communicated with a flame arrester 20, the flame arrester 20 is communicated with a control valve, the first control valve 21 is communicated with a combustor 22, the second control valve 23 is communicated with a boiler furnace 24, the boiler furnace 24 is communicated with a carbon dioxide recoverer 25, the carbon dioxide recoverer 25 is communicated with an exhaust pipe, the carbon dioxide recoverer 25 is communicated with a condenser 26, the condenser 26 is communicated with a compressor 27, the compressor 27 is communicated with a refrigeration pump 28, and the refrigeration pump 28 is communicated with a refrigeration water tank 29. And an air inlet valve and a pressure gauge for protecting the vaporization overheating coil are arranged between the metering pump and the vaporization overheating coil.
And the metering pump 5 is communicated with a pressure gauge 8 and a protective gas valve 9.
The heat accumulator 1 is provided with a temperature measuring instrument 10.
A thermometer 12 is arranged on the cracking tube 4.
The converted hydrogen outlet valve 14 is communicated with a first blow-down valve 15.
And a second blowdown valve 19 is communicated with the buffer tube 17.
A safety valve 18 is arranged on the buffer tube 17.
The controller adopts a PLC controller.
The utility model discloses a theory of operation: this exempt from methanol-water hydrogen manufacturing of conduction oil is used for carbon dioxide to discharge and recycles device when using, installs this device in the assigned position, then communicates various conveying pipe, discharging pipe and blow off pipe, then puts into the PLC controller with control program. And starting the PLC control panel, starting the optical wave tube to heat to 250 ℃, starting the optical wave tube to heat to the temperature, and allowing users of all walks to work as required, wherein heat enters the heat accumulator and heats the heat accumulator, and when the temperature in the heat accumulator rises to 250 ℃, the PLC control panel controls the relay to automatically cut off the power supply of the optical wave tube, and the optical wave tube stops working. When the heat accumulator is put into use, the heat accumulator starts to deliver the stored heat to the overheating pipe of the coil pipe, and the heat in the overheating pipe of the coil pipe is transferred to the gasification pipe of the coil pipe through heat. The metering pump is started, the input quantity of the metering pump is controlled by the PLC according to the use requirement, at the moment, the mixed liquid of the methanol and the water can be sent to the gasification pipe of the coil pipe, and the mixed liquid of the methanol and the water can be gasified by heating. The mixed liquid of the gasified methanol and the water enters a cracker with a catalyst cracking tube along with the subsequent pressure, the mixed liquid of the gasified methanol and the water is converted into hydrogen in the cracker, the hydrogen enters a buffer tube through the continuous pressure, and the carbon dioxide is separated by refrigeration in a compressor.
The present invention has been described in connection with the embodiments thereof, and the description is not intended to be limiting, and the embodiments of the present invention are shown in the drawings, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (8)
1. The utility model provides an exempt from methanol-water hydrogen manufacturing of conduction oil and be used for carbon dioxide to retrieve and recycle device, includes heat accumulator (1), light wave pipe (2), coil pipe (3), split pipe (4), buffer tube (17) and controller, its characterized in that: the heat accumulator (1) is communicated with the light wave tube (2), the heat accumulator (1) is provided with a coil (3), the coil (3) is communicated with a cracking tube (4), the cracking tube (4) is communicated with a hydrogen inlet valve (16) and a buffer tube (17) through a conversion hydrogen outlet valve (14) and the buffer tube, the heat accumulator (1) is communicated with a metering pump (5), the metering pump (5) is provided with an inlet valve (6) and an outlet valve (7), the outlet valve (7) is communicated with the heat accumulator (1), the heat accumulator (1) is communicated with the cracking tube (4) through a coil inlet cracking tube valve (11), the heat accumulator (1) is communicated with an exhaust pipe (13), the flame arrester (17) is communicated with a flame arrester (20), the flame arrester (20) is communicated with a first control valve (21) and a second control valve (23), the first control valve (21) is communicated with a combustor (22), the control valve II (23) is communicated with a boiler furnace pit (24), the boiler furnace pit (24) is communicated with a carbon dioxide recoverer (25), the carbon dioxide recoverer (25) is communicated with an exhaust pipe, the carbon dioxide recoverer (25) is communicated with a condenser (26), the condenser (26) is communicated with a compressor (27), the compressor (27) is communicated with a refrigerating pump (28), and the refrigerating pump (28) is communicated with a refrigerating water tank (29).
2. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: and the metering pump (5) is communicated with a pressure gauge (8) and a protective gas valve (9).
3. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: the heat accumulator (1) is provided with a temperature measuring instrument (10).
4. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: a thermometer (12) is arranged on the cracking tube (4).
5. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: and a first blow-down valve (15) is communicated with the converted hydrogen outlet valve (14).
6. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: and a second drainage valve (19) is communicated with the buffer tube (17).
7. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: and a safety valve (18) is arranged on the buffer tube (17).
8. The device for recycling carbon dioxide through methanol-water hydrogen production free of heat transfer oil according to claim 1, characterized in that: the controller adopts a PLC controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022641610.3U CN213569529U (en) | 2020-11-16 | 2020-11-16 | Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide |
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| CN202022641610.3U CN213569529U (en) | 2020-11-16 | 2020-11-16 | Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide |
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| CN213569529U true CN213569529U (en) | 2021-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194100A (en) * | 2020-11-16 | 2021-01-08 | 王海东 | Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112194100A (en) * | 2020-11-16 | 2021-01-08 | 王海东 | Conduction oil-free methanol water hydrogen production device for recycling carbon dioxide |
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