Carbon dioxide recycling device with catalytic function
Through the electrochemical capture and pretreatment module combined with gas cooling condensation separation technology, the low efficiency and purity problems in carbon dioxide capture and reuse are solved, and efficient carbon dioxide conversion and product purification are achieved to meet industrial needs.
Patent Information
- Application Number
- CN202421792917.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-28
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-07-28
AI Technical Summary
In the existing carbon dioxide capture and reuse technology, the capture efficiency is low, the energy consumption is high, the equipment is complex, and the reuse reaction conditions are harsh, the reaction rate is slow, and the product purity is low, making it difficult to meet industrial needs.
The electrochemical capture module is combined with the pretreatment module to reduce carbon dioxide to carbonate or other chemicals through electrochemical reactions, and combine gas cooling and condensation separation to improve the capture efficiency, and use a variety of advanced separation technologies to improve the purity of the product.
It realizes efficient carbon dioxide capture and conversion, improves the capture efficiency and product purity, and meets the needs of industrial applications.
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Figure CN223055384U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of carbon dioxide reuse, and more specifically, the utility model relates to a carbon dioxide reuse device with a catalytic function. Background Art
[0002] In the existing carbon dioxide capture and reuse technologies, methods such as physical adsorption, chemical adsorption, and cryogenic condensation are usually used for carbon dioxide capture. Although these methods can effectively capture carbon dioxide, there are problems such as low capture efficiency, high energy consumption, and complex equipment. In addition, in terms of carbon dioxide reuse, the existing technologies mainly rely on chemical reactions and biological conversions, but these methods often have harsh reaction conditions, slow reaction rates, and low product purity, making it difficult to meet the requirements of industrial applications;
[0003] Through the combined design of an electrochemical capture module and a pretreatment module, the utility model overcomes the problem of low capture efficiency of traditional physical and chemical adsorption methods, and efficiently reduces carbon dioxide to carbonate or other chemicals through an electrochemical reaction. However, it is difficult to achieve such efficient conversion with traditional capture methods. Through gas cooling and condensation separation, the capture efficiency is improved, while the traditional cryogenic condensation method has high energy consumption and complex equipment, making it difficult to achieve both economy and efficiency. The reaction product separation module adopts a variety of advanced separation technologies, significantly improving the separation efficiency and product purity, while the traditional methods have great limitations in terms of separation efficiency and purity, resulting in the product quality being difficult to meet industrial requirements. Summary of the Utility Model
[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a carbon dioxide reuse device with a catalytic function, which reduces carbon dioxide to carbonate or other chemicals through an electrochemical reaction to solve the problems raised in the above-mentioned background art.
[0005] To achieve the above object, the utility model provides the following technical solution: A carbon dioxide reuse device with a catalytic function, comprising:
[0006] A carbon dioxide capture module: used to capture carbon dioxide from air or industrial waste gas;
[0007] A pretreatment module: used to purify the captured carbon dioxide and remove impurities;
[0008] A catalytic reaction module: including a catalyst, used to convert carbon dioxide into useful chemicals or fuels;
[0009] A reactant supply module: used to supply the reactants required for the catalytic reaction;
[0010] A reaction product separation module: used to separate and extract the useful products generated by the reaction;
[0011] Energy supply module: Provides the energy required for the operation of the device, such as electricity or heat energy;
[0012] Automation control module: Used to monitor and control the operating parameters of the entire device to ensure the optimization of reaction conditions and the stable operation of the device;
[0013] The carbon dioxide capture module includes an electrochemical capture module. The electrochemical capture module includes an electrolytic cell, electrodes, a power supply, a control circuit, and an electrolyte solution. The electrochemical capture module captures carbon dioxide through an electrochemical reaction and reduces it to carbonate or other chemicals;
[0014] The pretreatment module includes a gas cooling module and a condensation separation module;
[0015] The gas cooling module includes a cooling device, cooling pipes, and a condenser. The gas cooling module cools the captured gas to a low temperature, causing carbon dioxide to condense into a liquid or solid;
[0016] The condensation separation module includes a separator, a collection container, and transfer pipes. The condensation separation module is used to separate the condensed carbon dioxide liquid or solid.
[0017] In a preferred embodiment, the reaction product separation module includes: a centrifugal separation unit, a membrane separation unit, an adsorption separation unit, a heat exchange separation unit, an electrostatic separation unit;
[0018] The centrifugal separation unit is used to preliminarily separate the solids and liquids in the reaction products. By rotating to generate centrifugal force, the heavier solid particles are separated from the liquid. The centrifugal separation unit is directly connected to the reactor, and the reaction mixture is transported to the centrifugal separation unit through pipes. The liquid part after centrifugation enters the membrane separation unit, and the solid waste is collected and processed;
[0019] The membrane separation unit separates different components in the reaction products through a selective permeable membrane, separating out dissolved gases and small molecule impurities. The membrane separation unit is connected to the liquid outlet of the centrifugal separation unit, and the liquid product is transported to the membrane separation unit through a pump. The purified liquid product enters the adsorption separation unit.
[0020] In a preferred embodiment, the adsorption separation unit adsorbs and removes specific impurities or by-products through an adsorbent. The adsorption separation unit is connected to the purified liquid outlet of the membrane separation unit, and the flow rate is adjusted by controlling the valve. The purified liquid product enters the heat exchange separation unit;
[0021] The heat exchange separation unit realizes the thermal separation of reaction products through heating or cooling, and separates them by utilizing the boiling point differences of different components. The heat exchange separation unit is connected to the outlet of the adsorption separation unit, and the liquid product is introduced into the heat exchanger through a pipeline. The separated different components enter the electrostatic separation unit respectively or are directly collected.
[0022] In a preferred embodiment, the electrostatic separation unit separates the charged particles in the reaction products by using electrostatic force. The electrostatic separation unit is connected to the outlet of the heat exchange separation unit, and the finally purified product is collected into a storage container.
[0023] In a preferred embodiment, the catalytic reaction module includes: a reaction product collection unit and a feedback control unit;
[0024] The reaction product collection unit is used for collecting and separating the products generated by the reaction. The reaction product collection unit includes a product collector, a separator and a storage tank;
[0025] The feedback control unit is used for real-time monitoring and adjusting the parameters in the reaction process; the feedback control unit includes a sensor, a controller and a data processing unit.
[0026] The technical effects and advantages of the present utility model:
[0027] 1. Through the combined design of the electrochemical capture module and the pretreatment module, efficient carbon dioxide capture and conversion are achieved. The electrochemical reaction reduces carbon dioxide to carbonate or other useful chemicals, and the pretreatment module further improves the capture efficiency through gas cooling and condensation separation, ensuring the efficient operation of the system;
[0028] 2. The reaction product separation module adopts a variety of advanced separation technologies, such as centrifugation, membrane separation, adsorption, heat exchange and electrostatic separation, to ensure the high purity and quality of the reaction products. The close combination of each separation unit significantly improves the separation efficiency and product purity, and realizes the efficient separation and reuse of the products. Description of the Drawings
[0029] Figure 1 It is a schematic diagram of the hardware composition of the present utility model. Specific Embodiments
[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0031] Refer to the appended specification Figure 1, A carbon dioxide recycling device with catalytic function according to an embodiment of the present utility model, comprising:
[0032] Carbon dioxide capture module: used to capture carbon dioxide from air or industrial waste gas;
[0033] Pretreatment module: used to purify the captured carbon dioxide and remove impurities;
[0034] Catalytic reaction module: including a catalyst, used to convert carbon dioxide into useful chemicals or fuels;
[0035] Reactant supply module: used to supply reactants required for the catalytic reaction, such as hydrogen;
[0036] Reaction product separation module: used to separate and extract useful products generated by the reaction;
[0037] Energy supply module: provides the energy required for the operation of the device, such as electricity or heat energy;
[0038] Automation control module: used to monitor and control the operating parameters of the entire device to ensure the optimization of reaction conditions and the stable operation of the device;
[0039] The carbon dioxide capture module includes an electrochemical capture module. The electrochemical capture module includes an electrolytic cell, electrodes, a power supply, a control circuit, and an electrolyte solution. The electrochemical capture module captures carbon dioxide through an electrochemical reaction and reduces it to carbonate or other chemicals. By applying a voltage to the electrodes, carbon dioxide is reduced at the cathode to generate chemicals such as carbonate or formic acid;
[0040] The pretreatment module includes a gas cooling module and a condensation separation module;
[0041] The gas cooling module includes a cooling device, cooling pipes, and a condenser. The gas cooling module cools the captured gas to a low temperature, causing carbon dioxide to condense into a liquid or solid, reducing the gas temperature, and condensing carbon dioxide at a low temperature to improve the capture efficiency;
[0042] The condensation separation module includes a separator, a collection container, and transmission pipes. The condensation separation module is used to separate the condensed carbon dioxide liquid or solid. By setting up the condensation separation module, the function of separating and collecting the condensed carbon dioxide from other gases is achieved.
[0043] Among them, the reaction product separation module includes: a centrifugal separation unit, a membrane separation unit, an adsorption separation unit, a heat exchange separation unit, an electrostatic separation unit;
[0044] The centrifugal separation unit is used for the preliminary separation of solids and liquids in the reaction product. By generating centrifugal force through high-speed rotation, the heavier solid particles are separated from the liquid. The centrifugal separation unit is directly connected to the reactor, and the reaction mixture is transported to the centrifugal separation unit through a pipeline. The liquid part after centrifugation enters the membrane separation unit, while the solid waste is collected and processed;
[0045] The membrane separation unit separates different components in the reaction product through a selective permeation membrane, and is used for further purification of the liquid product, separating out dissolved gases and small molecule impurities. The membrane separation unit is connected to the liquid outlet of the centrifugal separation unit, and the liquid product is transported to the membrane separation unit through a pump. The purified liquid product enters the adsorption separation unit;
[0046] The adsorption separation unit adsorbs and removes specific impurities or by-products through an adsorbent to achieve further purification of the target product. The adsorption separation unit is connected to the purified liquid outlet of the membrane separation unit, and the flow rate is adjusted by controlling the valve. The purified liquid product enters the heat exchange separation unit;
[0047] The heat exchange separation unit achieves thermal separation of the reaction product through heating or cooling, and separates using the boiling point differences of different components. The heat exchange separation unit is connected to the outlet of the adsorption separation unit, and the liquid product is introduced into the heat exchanger through a pipeline. The separated different components enter the electrostatic separation unit or are directly collected;
[0048] The electrostatic separation unit uses electrostatic force to separate charged particles in the reaction product, and is particularly suitable for removing tiny suspended particles and droplets. The electrostatic separation unit is connected to the outlet of the heat exchange separation unit, and the product is further purified through an electrostatic separator. The finally purified product is collected in a storage container.
[0049] In addition, the catalytic reaction module includes: a reaction product collection unit and a feedback control unit;
[0050] The reaction product collection unit is used for collecting and separating the products generated by the reaction. The reaction product collection unit includes a product collector, a separator, and a storage tank. Through separation and collection, the purity and quality of the reaction product are ensured, facilitating subsequent reuse or processing;
[0051] The feedback control unit is used for real-time monitoring and adjustment of various parameters in the reaction process, such as temperature, pressure, reactant concentration, etc.; the feedback control unit includes sensors, controllers, and data processing units. Through the feedback control unit, the dynamic optimization of the reaction conditions is ensured, improving the stability and reaction efficiency of the system.
[0052] The reaction product collection unit collects and separates the products generated by the reaction through a product collector, a separator, and a storage tank to ensure the purity and quality of the products. The feedback control unit monitors and adjusts the reaction parameters in real time through sensors, controllers, and a data processing unit to ensure the dynamic optimization of the reaction conditions and improve the stability and reaction efficiency of the system.
[0053] It should be noted that: Through the organic combination of multiple modules, this solution realizes efficient carbon dioxide capture and reuse. First, the electrochemical capture module uses an electrolytic cell and electrodes to reduce carbon dioxide to carbonate or other chemicals through an electrochemical reaction. This process ensures efficient carbon dioxide capture by applying a voltage to the electrodes to reduce carbon dioxide to carbonate or formic acid and other chemicals at the cathode. Second, the pretreatment module uses gas cooling and condensation separation to convert carbon dioxide from a gaseous state to a liquid or solid state for further processing. The gas cooling module cools the captured gas to a low temperature through a cooling device, cooling pipes, and a condenser, causing carbon dioxide to condense into a liquid or solid, thereby improving the capture efficiency. The condensation separation module includes a separator, a collection container, and transmission pipes for separating and collecting the condensed carbon dioxide liquid or solid;
[0054] The reaction product separation module combines a variety of advanced separation technologies to ensure the high purity and quality of the products. The centrifugal separation unit separates the heavier solid particles from the liquid through the centrifugal force generated by high-speed rotation. The membrane separation unit uses a selective permeable membrane to separate different components in the reaction product to further purify the liquid product. The adsorption separation unit adsorbs and removes specific impurities or by-products through an adsorbent to further purify the target product. The heat exchange separation unit realizes the thermal separation of the reaction product through heating or cooling and separates it using the boiling point differences of different components. The electrostatic separation unit uses electrostatic force to separate charged particles in the reaction product, which is particularly suitable for removing tiny suspended particles and droplets. The close combination of these separation units ensures the efficient separation and purification of the reaction products and guarantees the quality and purity of the final products;
[0055] The catalytic reaction module realizes the efficient conversion of carbon dioxide through the collaborative work of a multifunctional catalyst unit, a temperature-controlled reaction unit, a reactant supply unit, a reaction product collection unit, and a feedback control unit. The multifunctional catalyst unit can switch different catalysts according to the reaction requirements to ensure the efficient operation of the system under different reuse requirements. The temperature-controlled reaction unit ensures that the reaction proceeds within the optimal temperature range through a heater, a cooling system, and a temperature sensor, improving the reaction efficiency and product yield. The reactant supply unit ensures the stable supply of reactants through a reactant storage tank, a supply pump, and a control valve to guarantee the continuous progress of the reaction. The reaction product collection unit effectively collects and separates the products generated by the reaction through a product collector, a separator, and a storage tank to ensure the purity and quality of the products. The feedback control unit monitors and adjusts the reaction parameters in real time through sensors, a controller, and a data processing unit to ensure the dynamic optimization of the reaction conditions and improve the stability and reaction efficiency of the system.
[0056] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A carbon dioxide reuse device with catalytic function, comprising: A carbon dioxide capture module: used to capture carbon dioxide from air or industrial waste gas; A pretreatment module: used to purify the captured carbon dioxide and remove impurities; A catalytic reaction module: including a catalyst, used to convert carbon dioxide into useful chemicals or fuels; A reactant supply module: used to supply reactants required for the catalytic reaction; A reaction product separation module: used to separate and extract useful products generated by the reaction; An energy supply module: provides the energy required for the operation of the device, such as electricity or heat energy; An automatic control module: used to monitor and control the operating parameters of the entire device to ensure the optimization of reaction conditions and the stable operation of the device; It is characterized in that: The carbon dioxide capture module includes an electrochemical capture module. The electrochemical capture module includes an electrolytic cell, electrodes, a power supply, a control circuit, and an electrolyte solution. The electrochemical capture module captures carbon dioxide through an electrochemical reaction and reduces it to carbonate or other chemicals; The pretreatment module includes a gas cooling module and a condensation separation module; The gas cooling module includes a cooling device, cooling pipes, and a condenser. The gas cooling module cools the captured gas to a low temperature, causing carbon dioxide to condense into a liquid or solid; The condensation separation module includes a separator, a collection container, and transfer pipes. The condensation separation module is used to separate the condensed carbon dioxide liquid or solid.
2. The carbon dioxide reuse device with catalytic function according to claim 1, characterized in that: The reaction product separation module includes: a centrifugal separation unit, a membrane separation unit, an adsorption separation unit, a heat exchange separation unit, an electrostatic separation unit; The centrifugal separation unit is used to preliminarily separate solids and liquids in the reaction products. By rotating to generate centrifugal force, heavier solid particles are separated from the liquid. The centrifugal separation unit is directly connected to the reactor, and the reaction mixture is transported to the centrifugal separation unit through a pipeline. The liquid part after centrifugation enters the membrane separation unit, and the solid waste is collected and processed; The membrane separation unit separates different components in the reaction products through a selective permeation membrane, separating dissolved gases and small molecule impurities. The membrane separation unit is connected to the liquid outlet of the centrifugal separation unit, and the liquid product is transported to the membrane separation unit by a pump. The purified liquid product enters the adsorption separation unit.
3. The carbon dioxide reuse device with catalytic function according to claim 2, characterized in that: The adsorption separation unit adsorbs and removes specific impurities or by-products through an adsorbent. The adsorption separation unit is connected to the purified liquid outlet of the membrane separation unit, and the flow rate is adjusted by controlling the valve. The purified liquid product enters the heat exchange separation unit; The heat exchange separation unit realizes the thermal separation of the reaction products by heating or cooling, and separates them using the boiling point differences of different components. The heat exchange separation unit is connected to the outlet of the adsorption separation unit, and the liquid product is introduced into the heat exchanger through a pipeline. The separated different components enter the electrostatic separation unit or are directly collected.
4. The carbon dioxide reuse device with catalytic function according to claim 3, characterized in that: The electrostatic separation unit uses electrostatic force to separate charged particles in the reaction products. The electrostatic separation unit is connected to the outlet of the heat exchange separation unit, and the finally purified products are collected in a storage container.
5. A carbon dioxide reuse device with a catalytic function according to claim 4, characterized in that: The catalytic reaction module includes: a reaction product collection unit and a feedback control unit; The reaction product collection unit is used to collect and separate the products generated by the reaction. The reaction product collection unit includes a product collector, a separator, and a storage tank; The feedback control unit is used to monitor and adjust the parameters in the reaction process in real time; the feedback control unit includes a sensor, a controller, and a data processing unit.