CN216512855U - Device for utilizing solar energy to convert carbon dioxide with high value and high efficiency - Google Patents
Device for utilizing solar energy to convert carbon dioxide with high value and high efficiency Download PDFInfo
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- CN216512855U CN216512855U CN202123229899.9U CN202123229899U CN216512855U CN 216512855 U CN216512855 U CN 216512855U CN 202123229899 U CN202123229899 U CN 202123229899U CN 216512855 U CN216512855 U CN 216512855U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a device for utilizing solar energy to convert carbon dioxide with high value and high efficiency, which comprises a carbon dioxide capturing and purifying system, a catalytic reaction system and a product separation system, wherein the carbon dioxide capturing and purifying system, the catalytic reaction system and the product separation system are sequentially connected, waste gas is firstly purified by the carbon dioxide capturing and purifying system and then is conveyed to the catalytic reaction system for catalytic reaction, reacted gas enters the product separation system to separate synthetic gas in mixed gas, unreacted raw gas is circulated to the catalytic reaction system to continue to participate in the reaction, and simultaneously the methane/carbon dioxide gas inlet ratio is dynamically adjusted to improve the methane/carbon dioxide conversion rate. When solar energy is efficiently utilized, negative carbon is discharged, and high-value efficient conversion and utilization of carbon dioxide by utilizing solar energy are realized.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a device for high-value and high-efficiency conversion and utilization of carbon dioxide by utilizing solar energy.
Background
In recent years, due to the fact that fuels such as coal, oil and natural gas are excessively combusted in modern industrial society and forest vegetation destruction is added, a large amount of carbon dioxide gas continuously enters the atmosphere, serious greenhouse effect is caused, a series of global problems are caused, the fuel is widely concerned by international society, low carbon and green development becomes global consensus, at present, more than 130 countries and regions in the world propose a climate target of zero carbon or carbon neutralization, China proposes a double carbon target in 2020, namely carbon dioxide emission strives to reach a peak value in 2030 years, and strives to realize carbon neutralization in 2060 years ago.
By carbon neutralization technology is meant in a broad sense all technologies that reduce carbon emissions from human activity. These techniques can be divided into three major areas: the carbon-free or carbon-reduction technology and the technology for capturing, storing and utilizing carbon dioxide (carbon-negative technology), wherein the carbon dioxide and methane are reacted, converted and utilized to generate hydrogen energy and synthesis gas, and further converted into clean fuel, chemical raw materials, agricultural fertilizers and the like, are widely regarded by the world, and the bottleneck problems of high reaction temperature and large energy consumption exist in the traditional carbon dioxide methane conversion, so that the development of a green, high-efficiency and low-energy-consumption device and system for high-value and high-efficiency conversion and utilization of carbon dioxide by solar energy is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device and a system for high-value and high-efficiency conversion and utilization of carbon dioxide by solar energy, and in order to achieve the aim, the following technical scheme is provided:
a device for utilizing solar energy to convert and utilize carbon dioxide with high value and high efficiency comprises a carbon dioxide capturing and purifying system, a catalytic reaction system, a product separation system and a photovoltaic power generation subsystem;
the carbon dioxide capturing and purifying system comprises an air compressor two-ball valve, a buffer tank, a pressure gauge, a rupture disc, a temperature sensor, a PID (proportion integration differentiation) controller, a gas filter, a purifying device, a pressure reducing valve, a mass flow controller, a two-way needle valve, a back pressure valve and a one-way valve, wherein the buffer tank receives waste gas passing through the two-ball valve, is connected with a pressure gauge and the rupture disc to monitor the pressure of inflow gas, and is also connected with the temperature sensor and the PID controller to monitor the temperature state of the inflow gas; the mixed waste gas output by the buffer tank passes through the two ball valve, then passes through the gas filter and then flows through the pressure reducing valve to be sent to the mass flow controller; pressure gauges are arranged between the gas filter and the pressure reducing valve and between the pressure reducing valve and the mass flow controller, and the pressure reducing valve conveys the mixed gas to the mass flow controller through the two ball valve; after being purified by a purifying device, the carbon dioxide containing impurities output by the mass flow controller flows through the two ball-valve, the backpressure valve and the one-way valve and is sent to a carbon dioxide gas storage tank, a pressure gauge is arranged between the two ball-valve and the backpressure valve at the output end of the mass flow controller, a branch line is led out between the two ball-valve and the backpressure valve at the output end of the mass flow controller and returns to the two ball-valve at the output end of the mass flow controller through the two-way needle valve and the two ball-valve so as to carry out secondary purification; the carbon dioxide gas storage tank is connected with a pressure gauge and a rupture disk; the carbon dioxide gas storage tank outputs carbon dioxide to the pressurization system through the two ball valve; the pressurization system is used for carrying out pressurization treatment on the pure carbon dioxide, and the pure carbon dioxide is sent to the catalytic reaction system through the two ball-and-socket valves and the one-way valve; the pressurization system is connected with a rupture disk and a pressure gauge for monitoring the pressure of the carbon dioxide flowing in;
the catalytic reaction system comprises a support, an air inlet pipe, a pressure regulating valve, a solar condenser, a groove-shaped reaction pipe, a connecting rod, a horn-shaped support, a convex lens, a photoresistor, a storage battery and an air outlet pipe; the carbon dioxide and the pure methane output by the carbon dioxide capturing and purifying system are conveyed to the pressure regulating valve through the air inlet pipe to control the air inlet ratio, and the reaction of converting the carbon dioxide and the methane into the synthesis gas is carried out in the groove-shaped reaction pipe; the catalyst is arranged in the groove-shaped reaction tube, the side wall surface of the groove-shaped reaction tube is provided with a photoresistor, and the photoresistor is connected with the storage battery through an electric wire; the upper end of the groove-shaped reaction tube is provided with a horn-shaped bracket, and a convex lens is fixed at an opening at the upper end of the horn-shaped bracket; the side wall surface of the groove-shaped reaction tube is simultaneously provided with a fire retardant so as to prevent the fire of the device caused by excessive condensation of the convex lens; the tail end of the air inlet pipe is connected with the front end of the groove-shaped reaction pipe, and the tail end of the groove-shaped reaction pipe is connected with the air outlet pipe; the solar energy condenser is a hemispherical condensing plate with an upward opening, the groove-shaped reaction tube is positioned above the solar energy condenser, the horn-shaped support provided with the convex lens is opposite to the solar energy condenser, and the horn-shaped support is connected with the solar energy condenser through a connecting rod; the solar condenser collects and converts solar energy into heat energy to provide reaction heat for catalyzing carbon dioxide and methane to generate synthesis gas; the reaction product synthesis gas is sent to a product separation system through an air outlet pipe;
the product separation system receives the mixed gas from the catalytic reaction system through an air outlet pipe, separates out the hydrogen/carbon monoxide of the synthetic gas in the mixed gas discharged by a device for preparing the synthetic gas, circulates the unreacted raw material gas methane/carbon dioxide to a pressure regulating valve of the catalytic reaction system through an air return pipe, continues to participate in the reaction, regulates the gas inlet ratio of methane/carbon dioxide, and improves the conversion rate of methane/carbon dioxide;
the photovoltaic power generation subsystem comprises a power generation module, an inverter, an alternating current cabinet, a wire and cable and an energy storage subsystem; the photovoltaic power generation subsystem is simultaneously connected with the carbon dioxide capturing and purifying system and the catalytic reaction system, converts solar energy into electric energy to supply power for the carbon dioxide capturing and purifying system, and stores redundant electric energy in the energy storage subsystem; the catalytic reaction system is connected with the photovoltaic power generation subsystem, and when solar energy is sufficient, the heat required by the catalytic conversion reaction is provided by converting the solar energy into heat energy through the solar condenser; when the solar energy is insufficient, the heat energy required by the catalytic conversion reaction is provided by converting the electric energy of the photovoltaic power generation subsystem into the heat energy, so that the energy consumption required by the reaction for utilizing the solar energy to efficiently convert and utilize the carbon dioxide is supplied;
the photovoltaic power generation subsystem is simultaneously connected with the carbon dioxide capturing and purifying system, the storage battery of the catalytic reaction system and the product separation system, and supplies power for the whole device and system.
Furthermore, a rotating part is arranged between the catalytic reaction system support and the solar condenser, the rotating part is connected with the storage battery and the photosensitive resistor, the photosensitive resistor judges the illumination direction, the rotating part is powered by the storage battery, receives a photosensitive resistor signal and rotates along with the solar illumination, and the solar condenser and the convex lens are kept focused.
Further, the power generation module adopts a silicon solar panel or a thin film solar cell.
Further, the product separation system adopts a pressure swing adsorption mode to carry out gas separation.
Furthermore, the area of the solar concentrator is 4-6 square meters.
Furthermore, the volume of the gas storage tank is 6-8 cubic meters.
Furthermore, the volume of the buffer tank is 4-6 cubic meters.
Further, the power generation amount of the photovoltaic power generation subsystem is 400 and 600 watts.
Further, the pressure of the pressurization system is 200-250 MPa.
Further, the purification device comprises a liquefier, a rectifying tower and a gasifier.
The reaction of the catalytic carbon dioxide and methane for generating synthesis gas is utilized to convert greenhouse gas carbon dioxide/methane into chemical raw material synthesis gas hydrogen/carbon monoxide, so as to realize carbon neutralization;
the reaction has higher energy barrier and higher energy consumption required by the reaction, so that the solar concentrator is introduced in the utility model to convert scattered and low-efficiency solar energy into heat energy for the reaction of utilizing the solar energy to convert carbon dioxide with high value and high efficiency;
the reaction product synthesis gas can be used for preparing clean fuel for high-grade hydrocarbons through Fischer-Tropsch synthesis, and the high-grade clean fuel has a high economic utilization added value;
the power generation module in the photovoltaic power generation subsystem adopts a silicon solar panel or a thin film solar cell; the silicon solar cell adopts monocrystalline silicon, polycrystalline silicon or amorphous silicon, and the thin film solar cell adopts gallium arsenide, cadmium telluride and copper indium selenide multi-component compounds as materials;
the photovoltaic power generation subsystem supplies power for the whole device and system, truly realizes that the system is completely self-sufficient, realizes high-efficiency utilization of solar energy, simultaneously discharges negative carbon, and realizes high-value high-efficiency conversion and utilization of carbon dioxide by utilizing the solar energy.
Compared with the prior art, the utility model has the advantages that:
according to the method, the new energy solar energy is utilized to prepare the synthesis gas from greenhouse gas carbon dioxide/methane through photo-thermal concerted catalytic reaction, the solar energy and the heat energy generated by the photo-thermal effect are subjected to specific catalytic reaction by utilizing the photo-thermal concerted coupling effect of the solar energy, the solar energy is converted and stored into chemical energy, and meanwhile, the emission reduction and the effective utilization of the carbon dioxide are realized;
when solar energy is used for generating electricity, redundant electric energy is stored, and the stored electric energy is used for supplying energy consumption required by reaction under the condition of insufficient solar energy;
the raw material gas carbon dioxide pipeline sequentially flows through the carbon dioxide capturing and purifying system and the catalytic reaction system to perform catalytic conversion reaction with the raw material gas methane and form circulation, and the carbon monoxide and the hydrogen which are mixed gas in reaction products are separated to promote the balance of the conversion reaction to move towards the positive direction, so that the conversion rate of the carbon dioxide is greatly improved;
the whole device and system energy are all from external solar energy, and simultaneously, the solar photo-thermal part and the photoelectric part are utilized to form a solar energy conversion and energy storage system, so that the device and the system have the characteristics of greenness, safety, low emission and sustainability, do not need to be additionally provided with a networking function, realize carbon capture and carbon utilization, effectively solve the problem that greenhouse gas harms the environment, and provide a new way for solar energy resource utilization;
the device for utilizing the solar energy to convert and utilize the carbon dioxide at a high value and high efficiency provides a feasible scheme flow for a carbon dioxide emission reduction demand enterprise to collect, convert and utilize a carbon dioxide sleeve, and assists a national double-carbon target.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic flow diagram of an apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy according to the present invention;
wherein, 1 is a carbon dioxide capturing and purifying system, 2 is a catalytic reaction system, 3 is a product separation system, and 4 is a photovoltaic power generation subsystem;
FIG. 2 is a schematic diagram of the carbon dioxide capture and purification system of the present invention;
wherein, 1a, 1b, 1c, 1d, 1e, 1f and 1g are two ball-and-socket valves, 2a, 2b, 2c, 2d, 2e and 2f are pressure gauges, 3a is a pressure reducing valve, 3b is a backpressure valve, 4a, 4b and 4c are rupture discs, 5 is a buffer tank, 6 is a temperature sensor, 7 is PID control, 8 is a gas filter, 9a and 9b are one-way valves, 10 is a pressurization system, 11 is a carbon dioxide gas storage tank, 12 is a two-way needle valve, 13 is a purification system, and 14 is a mass flow controller;
FIG. 3 is a schematic diagram of a catalytic reaction system and product separation system according to the present invention;
the system comprises a product separation system 3, a photovoltaic power generation subsystem 4, an air inlet pipe 21, a pressure regulating valve 22, a groove-shaped reaction pipe 23, a convex lens 24, a horn-shaped support 25, a photoresistor 26, a storage battery 27, a support 28, an air return pipe 29, a solar condenser 210, a connecting rod 211, an air outlet pipe 212 and a rotating component 213.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, the apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy provided by the utility model comprises a carbon dioxide capturing and purifying system 1, a catalytic reaction system 2, a product separation system 3 and a photovoltaic power generation subsystem 4;
as shown in fig. 2, the structure of the carbon dioxide capturing and purifying system includes two ball valves 1a, 1b, 1c, 1d, 1e, 1f, 1g of an air compressor, pressure gauges 2a, 2b, 2c, 2d, 2e, 2f, a pressure reducing valve 3a, a back pressure valve 3b, rupture discs 4a, 4b, 4c, a buffer tank 5, a temperature sensor 6, a PID controller 7, a gas filter 8, check valves 9a, 9b, a pressurization system 10, a carbon dioxide gas storage tank 11, a two-way needle valve 12, a purifying system 13, and a mass flow controller 14;
the buffer tank 5 receives the waste gas passing through the two ball valve 1a, the buffer tank 5 is connected with a pressure gauge 2a and a rupture disc 4a to monitor the pressure of the inflowing gas, and is also connected with a temperature sensor 6 and a PID control 7 to monitor the temperature state of the inflowing gas; the mixed waste gas output by the buffer tank 5 passes through the two-ball valve 1b, then passes through the gas filter 8, flows through the pressure reducing valve 3a and is sent to the mass flow controller 14; pressure gauges 2b and 2c are respectively arranged between the gas filter 8 and the pressure reducing valve 3a and between the pressure reducing valve 3a and the mass flow controller 14, and the pressure reducing valve 3a conveys the mixed gas to the mass flow controller 14 through the two ball valve 1 c; after being purified by a purifying device 13, the carbon dioxide containing impurities output by the mass flow controller 14 flows through the two ball valve 1d, the backpressure valve 3b and the one-way valve 9a and is sent to a carbon dioxide gas storage tank 11, a pressure gauge 2d is arranged between the two ball valve 1d and the backpressure valve 3b at the output end of the mass flow controller 14, a branch line is led out between the two ball valve 1d and the backpressure valve 3b at the output end of the mass flow controller 14 and returns to the two ball valve 1c at the output end of the mass flow controller 14 through the two-way needle valve 12 and the two ball valve 1e so as to carry out secondary purification; the carbon dioxide gas storage tank 11 is connected with a pressure gauge 2e and a rupture disk 4 b; the carbon dioxide gas storage tank 11 outputs carbon dioxide to the pressurization system 10 through the two ball valve 1 f; the pressurization system 10 is used for pressurizing the pure carbon dioxide, and the pure carbon dioxide is sent to the catalytic reaction system through the two ball valve 1g and the one-way valve 9 b; the pressurization system is connected with a rupture disk 4c and a pressure gauge 2f to monitor the pressure of the carbon dioxide flowing in;
as shown in fig. 3, the catalytic reaction system includes a support 28, an air inlet pipe 21, a pressure regulating valve 22, a solar concentrator 210, a trough-shaped reaction pipe 23, a connecting rod 211, a horn-shaped support 25, a convex lens 24, a photoresistor 26, a storage battery 27, an air outlet pipe 212, a rotating part 213 and an air return pipe 29; the carbon dioxide and the pure methane output by the carbon dioxide capturing and purifying system are controlled to have an air inlet ratio through an air inlet pipe 21 to a pressure regulating valve 22, and the reaction of converting the carbon dioxide and the methane into the synthesis gas is carried out in a groove-shaped reaction pipe 23; a catalyst is filled in the groove-shaped reaction tube 23, a photoresistor 26 is arranged on the side wall surface of the groove-shaped reaction tube, and the photoresistor 26 is connected with a storage battery 27 through an electric wire; the upper end of the groove-shaped reaction tube 23 is provided with a horn-shaped bracket 25, and a convex lens 24 is fixed at an opening at the upper end of the horn-shaped bracket 25; the side wall surface of the groove-shaped reaction tube 23 is simultaneously provided with a flame retardant to prevent the device from burning fire caused by excessive light condensation of the convex lens 24; the tail end of the air inlet pipe 21 is connected with the front end of the groove-shaped reaction pipe 23, and the tail end of the groove-shaped reaction pipe 23 is connected with the air outlet pipe 212; the solar condenser 210 is a hemispherical condensing plate with an upward opening, the groove-shaped reaction tube 23 is positioned above the solar condenser 210, and the horn-shaped support 25 provided with the convex lens 24 is opposite to the solar condenser 210; the solar energy concentrator 210 is connected with the solar energy concentrator 210 through a connecting rod 211, and the solar energy concentrator 210 concentrates and converts solar energy into heat energy to provide reaction heat for catalyzing carbon dioxide and methane to generate synthesis gas; the reaction product synthesis gas is sent to a product separation system through an outlet pipe 212;
the product separation system 3 receives the mixed gas from the catalytic reaction system through the gas outlet pipe 212, separates out the hydrogen/carbon monoxide of the synthetic gas in the mixed gas discharged by the device for preparing the synthetic gas, circulates the unreacted raw material gas methane/carbon dioxide to the pressure regulating valve 22 of the catalytic reaction system through the gas return pipe 29, continues to participate in the reaction, regulates the gas inlet ratio of methane/carbon dioxide, and improves the conversion rate of methane/carbon dioxide;
the photovoltaic power generation subsystem 4 comprises a power generation module, an inverter, an alternating current cabinet, a wire and cable and an energy storage subsystem; the photovoltaic power generation subsystem 4 is simultaneously connected with the carbon dioxide capturing and purifying system and the catalytic reaction system, converts solar energy into electric energy to supply power for the carbon dioxide capturing and purifying system, and stores redundant electric energy in the energy storage subsystem; the catalytic reaction system is connected with the photovoltaic power generation subsystem, and when solar energy is sufficient, the heat required by the catalytic conversion reaction is provided by converting the solar energy into heat energy through the solar condenser; when the solar energy is insufficient, the heat energy required by the catalytic conversion reaction is provided by converting the electric energy of the photovoltaic power generation subsystem into the heat energy, so that the energy consumption required by the reaction for utilizing the solar energy to efficiently convert and utilize the carbon dioxide is supplied;
the photovoltaic power generation subsystem 4 is simultaneously connected with the carbon dioxide capturing and purifying system, the storage battery 27 of the catalytic reaction system and the product separation system 3, and supplies power for the whole device and system.
A rotating part 213 is arranged between the catalytic reaction system support 28 and the solar condenser 210, the rotating part 213 is connected with the storage battery 27 and the photoresistor 26, the photoresistor 26 judges the illumination direction, and the rotating part 213 supplies power through the storage battery 27, receives signals of the photoresistor 26 and rotates along with the illumination of the sun to keep the solar condenser 210 and the convex lens 24 focused.
The power generation module adopts a silicon solar panel or a thin film solar cell.
The product separation system adopts a pressure swing adsorption mode to carry out gas separation.
The solar concentrator area is 4 square meters.
The volume of the gas storage tank is 6 cubic meters.
The volume of the buffer tank is 5 cubic meters.
The power generation capacity of the photovoltaic power generation subsystem is 400 watts.
The pressurization system pressure was 200 MPa.
The purification device comprises a liquefier, a rectifying tower and a gasifier.
In conclusion, the synthesis gas is prepared by utilizing new energy solar energy through photo-thermal concerted catalytic reaction of greenhouse gas carbon dioxide/methane, the method utilizes the photo-thermal concerted coupling effect of solar energy to carry out specific catalytic reaction on the solar energy and the heat energy generated by the photo-thermal effect, converts and stores the solar energy into chemical energy, and simultaneously realizes the emission reduction and the effective utilization of the carbon dioxide;
when solar energy is used for generating electricity, redundant electric energy is stored, and the stored electric energy is used for supplying energy consumption required by reaction under the condition of insufficient solar energy;
the raw material gas carbon dioxide pipeline sequentially flows through the carbon dioxide capturing and purifying system and the catalytic reaction system to perform catalytic conversion reaction with the raw material gas methane and form circulation, and the carbon monoxide and the hydrogen which are mixed gas in reaction products are separated to promote the balance of the conversion reaction to move towards the positive direction, so that the conversion rate of the carbon dioxide is greatly improved;
the whole device and system energy are all from external solar energy, and simultaneously, the solar photo-thermal part and the photoelectric part are utilized to form a solar energy conversion and energy storage system, so that the device and the system have the characteristics of greenness, safety, low emission and sustainability, do not need to be additionally provided with a networking function, realize carbon capture and carbon utilization, effectively solve the problem that greenhouse gas harms the environment, and provide a new way for solar energy resource utilization;
the device for utilizing the solar energy to convert and utilize the carbon dioxide at a high value and high efficiency provides a feasible scheme flow for a carbon dioxide emission reduction demand enterprise to collect, convert and utilize a carbon dioxide sleeve, and assists a national double-carbon target.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A device for utilizing solar energy to convert and utilize carbon dioxide with high value and high efficiency is characterized in that the device and the system for converting and utilizing carbon dioxide comprise a carbon dioxide capturing and purifying system, a catalytic reaction system, a product separation system and a photovoltaic power generation subsystem;
the carbon dioxide capturing and purifying system comprises an air compressor two-ball valve, a buffer tank, a pressure gauge, a rupture disc, a temperature sensor, a PID (proportion integration differentiation) controller, a gas filter, a purifying device, a pressure reducing valve, a mass flow controller, a two-way needle valve, a back pressure valve and a one-way valve, wherein the buffer tank receives waste gas passing through the two-ball valve, is connected with a pressure gauge and the rupture disc to monitor the pressure of inflow gas, and is also connected with the temperature sensor and the PID controller to monitor the temperature state of the inflow gas; the mixed waste gas output by the buffer tank passes through the two ball valve, then passes through the gas filter and then flows through the pressure reducing valve to be sent to the mass flow controller; pressure gauges are arranged between the gas filter and the pressure reducing valve and between the pressure reducing valve and the mass flow controller, and the pressure reducing valve conveys the mixed gas to the mass flow controller through the two ball valve; after being purified by a purifying device, the carbon dioxide containing impurities output by the mass flow controller flows through the two ball-valve, the backpressure valve and the one-way valve and is sent to a carbon dioxide gas storage tank, a pressure gauge is arranged between the two ball-valve and the backpressure valve at the output end of the mass flow controller, a branch line is led out between the two ball-valve and the backpressure valve at the output end of the mass flow controller and returns to the two ball-valve at the output end of the mass flow controller through the two-way needle valve and the two ball-valve so as to carry out secondary purification; the carbon dioxide gas storage tank is connected with a pressure gauge and a rupture disk; the carbon dioxide gas storage tank outputs carbon dioxide to the pressurization system through the two ball valve; the pressurization system is used for carrying out pressurization treatment on the pure carbon dioxide, and the pure carbon dioxide is sent to the catalytic reaction system through the two ball-and-socket valves and the one-way valve; the pressurization system is connected with a rupture disk and a pressure gauge for monitoring the pressure of the carbon dioxide flowing in;
the catalytic reaction system comprises a support, an air inlet pipe, a pressure regulating valve, a solar condenser, a groove-shaped reaction pipe, a connecting rod, a horn-shaped support, a convex lens, a photoresistor, a storage battery and an air outlet pipe; the carbon dioxide and the pure methane output by the carbon dioxide capturing and purifying system are conveyed to the pressure regulating valve through the air inlet pipe to control the air inlet ratio, and the reaction of converting the carbon dioxide and the methane into the synthesis gas is carried out in the groove-shaped reaction pipe; the catalyst is arranged in the groove-shaped reaction tube, the side wall surface of the groove-shaped reaction tube is provided with a photoresistor, and the photoresistor is connected with the storage battery through an electric wire; the upper end of the groove-shaped reaction tube is provided with a horn-shaped bracket, and a convex lens is fixed at an opening at the upper end of the horn-shaped bracket; the side wall surface of the groove-shaped reaction tube is simultaneously provided with a fire retardant so as to prevent the fire of the device caused by excessive condensation of the convex lens; the tail end of the air inlet pipe is connected with the front end of the groove-shaped reaction pipe, and the tail end of the groove-shaped reaction pipe is connected with the air outlet pipe; the solar energy condenser is a hemispherical condensing plate with an upward opening, the groove-shaped reaction tube is positioned above the solar energy condenser, the horn-shaped support provided with the convex lens is opposite to the solar energy condenser, and the horn-shaped support is connected with the solar energy condenser through a connecting rod; the solar condenser collects and converts solar energy into heat energy to provide reaction heat for catalyzing carbon dioxide and methane to generate synthesis gas; the reaction product synthesis gas is sent to a product separation system through an air outlet pipe;
the product separation system receives the mixed gas from the catalytic reaction system through an air outlet pipe, separates out the hydrogen/carbon monoxide of the synthetic gas in the mixed gas discharged by a device for preparing the synthetic gas, circulates the unreacted raw material gas methane/carbon dioxide to a pressure regulating valve of the catalytic reaction system through an air return pipe, continues to participate in the reaction, regulates the gas inlet ratio of methane/carbon dioxide, and improves the conversion rate of methane/carbon dioxide;
the photovoltaic power generation subsystem comprises a power generation module, an inverter, an alternating current cabinet, a wire and cable and an energy storage subsystem; the photovoltaic power generation subsystem is simultaneously connected with the carbon dioxide capturing and purifying system and the catalytic reaction system, converts solar energy into electric energy to supply power for the carbon dioxide capturing and purifying system, and stores redundant electric energy in the energy storage subsystem; the catalytic reaction system is connected with the photovoltaic power generation subsystem;
the photovoltaic power generation subsystem is simultaneously connected with the carbon dioxide capturing and purifying system, the storage battery of the catalytic reaction system and the product separation system, and supplies power for the whole device and system.
2. The device for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein a rotating part is arranged between the catalytic reaction system support and the solar energy condenser, the rotating part is connected with the storage battery and the photoresistor, the photoresistor judges the illumination direction, and the rotating part is powered by the storage battery, receives the signal of the photoresistor, rotates along with the solar illumination and keeps the solar energy condenser and the convex lens focused.
3. The device for converting and utilizing carbon dioxide with high value and high efficiency by utilizing solar energy as claimed in claim 1, wherein the power generation module adopts a silicon solar panel or a thin film solar cell.
4. The apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the product separation system is used for gas separation by means of pressure swing adsorption.
5. The apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the area of the solar energy condenser is 4-6 square meters.
6. The apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the volume of the gas storage tank is 6-8 cubic meters.
7. The apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the volume of the buffer tank is 4-6 cubic meters.
8. The device for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the power generation amount of the photovoltaic power generation subsystem is 400-600 watts.
9. The apparatus as claimed in claim 1, wherein the pressure of the pressurizing system is 200 and 250 MPa.
10. The apparatus for high-value and high-efficiency conversion and utilization of carbon dioxide by using solar energy as claimed in claim 1, wherein the purification apparatus comprises a liquefier, a rectifying tower and a gasifier.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069073A (en) * | 2022-06-14 | 2022-09-20 | 华能威海发电有限责任公司 | Carbon dioxide capture system and method for coupling solar energy and supercapacitor energy storage |
| CN115779632A (en) * | 2022-12-01 | 2023-03-14 | 华中科技大学 | Charcoal capture CO 2 Method and system for preparing combustible gas by coupling photo-thermal catalytic conversion |
-
2021
- 2021-12-21 CN CN202123229899.9U patent/CN216512855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115069073A (en) * | 2022-06-14 | 2022-09-20 | 华能威海发电有限责任公司 | Carbon dioxide capture system and method for coupling solar energy and supercapacitor energy storage |
| CN115069073B (en) * | 2022-06-14 | 2023-09-08 | 华能威海发电有限责任公司 | Carbon dioxide capturing system and method for coupling solar energy and supercapacitor energy storage |
| CN115779632A (en) * | 2022-12-01 | 2023-03-14 | 华中科技大学 | Charcoal capture CO 2 Method and system for preparing combustible gas by coupling photo-thermal catalytic conversion |
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