CN114719367A - Low-temperature plasma total heat recovery membrane and purifier thereof - Google Patents
Low-temperature plasma total heat recovery membrane and purifier thereof Download PDFInfo
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- CN114719367A CN114719367A CN202210266601.1A CN202210266601A CN114719367A CN 114719367 A CN114719367 A CN 114719367A CN 202210266601 A CN202210266601 A CN 202210266601A CN 114719367 A CN114719367 A CN 114719367A
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
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- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/167—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using catalytic reactions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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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
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention discloses a low-temperature plasma total heat recovery membrane and a purifier thereof, which comprise at least one group of first electrode composite membrane and second electrode composite membrane, wherein the first electrode composite membrane and the second electrode composite membrane at least form two gas channels, the first electrode composite membrane and the second electrode composite membrane are formed by compounding a base membrane, an electrode, a catalyst and an adsorbent, and a high-voltage is applied to the first electrode and the second electrode; the first electrode composite film, the second electrode composite film and the shell are connected through an insulation module; fresh air and waste gas respectively flow to the fresh air outlet and the exhaust air outlet from the fresh air inlet and the exhaust air inlet. The invention realizes the high-efficiency decomposition and purification of outdoor fresh air and indoor waste gas, greatly improves the indoor air quality and harmful waste gas emission, and can efficiently recover the sensible heat and latent heat energy of the waste gas, reduce the indoor cold and heat load and reduce the energy consumption.
Description
Technical Field
The invention belongs to the field of air treatment and purification, and particularly relates to a low-temperature plasma total heat recovery membrane and a purifier thereof.
Background
Volatile and semi-volatile organic compounds such as VOCs and SVOCs become one of the important pollution sources for environmental destruction and human health, and an economic, safe, reliable and effective purification solution becomes the focus of people's attention. In particular, in the processing and manufacturing industries of electronics, semiconductors and the like, nearly hundreds of chemicals are applied to cleaning, etching and other operations, and become important sources of emissions of VOCs, SVOCs and the like, on one hand, most of the compounds in the VOCs and the SVOCs have acute or long-term toxicity to human bodies and environments and have flammable and explosive dangers, on the other hand, most of the compounds in the VOCs and the SVOCs have atmospheric chemical reaction activity, and can generate long-term influence on urban residents by generating ozone, tiny particles and the like. In the semiconductor industry, which is a high technology, the rapid development and effective solution of the pollution problem of organic compounds such as VOCs and SVOCs have become one of the problems that needs to be solved in the industrial development.
At present, the treatment methods for pollutants discharged by VOCs, SVOCs and the like mainly include a solvent absorption method, an adsorption method, a heat treatment method, a biological treatment method and the like. The solvent absorption method has the advantages of high selectivity to organic components, easy secondary pollution, complex adsorption process, high operating cost, secondary pollution risk, high energy consumption of the heat treatment method, easy generation of other pollutants due to combustion, long treatment time of the biological treatment method and poor removal effect on complex waste gas. Therefore, research and development of the air purifier with the characteristics of simple structure, reliable operation, high purification efficiency, energy conservation, environmental protection, economy, practicability and the like is an important technical approach for improving green and environmental-friendly production in the industries of electronics, semiconductors and the like. Chinese patent "a new electrostatic dust removal heat exchanger" (CN 109945719 a) discloses a heat exchanger in which a ventilation air duct for electrostatic dust removal and an electrostatic dust removal air duct are mutually laminated and crossed. In the field of harmless and high-efficiency decomposition treatment of organic waste gas, low-temperature plasma is considered as the 'fourth state' of material except solid, gas and liquid, and generates plasma under the action of strong electric field, and comprisesA large amount of active components such as high-energy charged particles and active particles simultaneously generate heat radiation and emit ultraviolet rays, the physical and chemical factors can effectively destroy harmful gases, microorganisms and the like, and the high-energy electrons and the active substances are subjected to electrochemical reaction with exhaust gas molecules to decompose organic exhaust gas molecules into CO2、H2And harmless micromolecules such as O and the like are used for realizing harmless treatment such as degradation, transfer and the like of pollutants.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a low-temperature plasma total heat recovery membrane and a purifier thereof, which are suitable for the field of air treatment and purification and the like, so that the membrane can not only safely, reliably, economically and environmentally purify harmful gas in the process of treating harmful gas emission, but also can efficiently recover sensible heat and latent heat energy discharged by waste gas. Compared with the traditional harmful gas purification mode, the system has the advantages of simple structure, good purification performance, capability of efficiently recovering exhaust energy, economy and practicability.
The technical scheme of the invention is as follows:
a low temperature plasma total heat recovery membrane and clarifier which characterized in that: the composite membrane comprises at least one group of first electrode composite membrane and second electrode composite membrane, wherein at least two gas channels are formed by the first electrode composite membrane and the second electrode composite membrane, the first electrode composite membrane and the second electrode composite membrane are formed by compounding a base membrane, electrodes, a catalyst and an adsorbent, and high-voltage is applied to the first electrode and the second electrode; the first electrode composite film, the second electrode composite film and the shell are connected through an insulation module; fresh air and waste gas flow to the fresh air outlet and the exhaust air outlet from the fresh air inlet and the exhaust air inlet respectively.
The low-temperature plasma total heat recovery membrane and the purifier thereof are characterized in that: the device comprises a high-voltage power supply, a cable, a base film, a first electrode, a second electrode, a catalytic adsorbent, an exhaust inlet, an exhaust outlet, a fresh air inlet, a fresh air outlet, a shell, an insulation module, a first electrode composite film and a second electrode composite film; the first electrode composite membrane is formed by compounding a base membrane, a first electrode and a catalytic adsorbent, and the second electrode composite membrane is formed by compounding a base membrane, a second electrode and a catalytic adsorbent; the first electrode composite membranes and the second electrode composite membranes are connected through the insulation modules to form a gas fluid channel, and a plurality of groups of the first electrode composite membranes and the second electrode composite membranes are connected through the insulation modules to form an exhaust inlet, an exhaust outlet, a fresh air inlet and a fresh air outlet; the first electrode and the second electrode are non-uniformly distributed, and the electrode line spacing from the air exhaust inlet to the air exhaust outlet is increased in sequence; the catalytic adsorbent is non-uniformly distributed, the content of the catalytic adsorbent is increased from an exhaust air inlet to an exhaust air outlet in sequence, and the content of the catalytic adsorbent is increased from a fresh air inlet to a fresh air outlet in sequence; the first electrode is connected with one end of a high-voltage power supply through a cable, and the second electrode is connected with the other end of the high-voltage power supply through a cable; the first electrode composite film, the second electrode composite film and the shell are arranged in an insulating way; the high-voltage power supply, the first electrode and the second electrode are connected through a cable to form a high-voltage discharge loop; the shell, the first electrode composite membrane and the second electrode composite membrane form a fresh air channel communicated with a fresh air inlet and a fresh air outlet and an exhaust air channel communicated with an exhaust air inlet and an exhaust air outlet through the insulation module.
In the above technical scheme, the structure of the first electrode composite membrane and the second electrode composite membrane may be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a tapered and gradually expanded gas channel may be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The first electrode and the second electrode can be non-uniformly distributed or uniformly distributed, and can be arranged in parallel or in a snake shape or a net shape. The catalytic adsorbent can be distributed non-uniformly or non-uniformly mixed.
Preferably, the material of the base film is fiber and polymer moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silica, metal organic framework and molecular sieve or a composite catalytic adsorption material; the insulation module is one or more of rubber, plastic, ceramic, glass, mica, asbestos and insulation fiber.
In the above technical solution, the high voltage power supply may be one of a high voltage pulse power supply, a high voltage dc power supply, and a high voltage ac power supply. The low-temperature plasma total heat recovery membrane and the purifier thereof can be used independently, and can also be used in series or in parallel.
A low-temperature plasma total heat recovery membrane and a purifier thereof have the principle that a first electrode and a second electrode form a low-temperature plasma field in a gas channel under the action of high voltage, harmful waste gas enters the gas channel from an exhaust inlet and is rapidly decomposed under the action of high-voltage plasma discharge of the first electrode and the second electrode, and residual harmful waste gas and ozone generated by the low-temperature plasma are converted into harmless gas under the catalysis and adsorption actions of a high-content catalytic adsorbent near an exhaust outlet and are exhausted from the exhaust outlet; outdoor fresh air is purified from a fresh air inlet gas channel, fresh air harmful components are purified in a low-temperature plasma channel formed by a first electrode and a second electrode, residual harmful components and ozone generated by low-temperature plasma are further purified under the catalysis and adsorption effects of a high-content catalytic adsorbent near a fresh air outlet, and the purified fresh air is sent into a room through the fresh air outlet; meanwhile, when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer effect of the first electrode composite membrane and the second electrode composite membrane.
Compared with the traditional harmful waste gas purifier, the invention has the advantages of simple and compact structure, small volume and occupied area, high-efficiency purification realized by the cooperation of low-temperature plasma and catalytic adsorption, high-efficiency recovery of sensible heat and latent heat energy of exhaust air, reduction of indoor cold and heat loads, no material consumption, low investment, high economy, quick start and convenient operation and maintenance.
Drawings
Fig. 1 is a schematic diagram of the principle and structure of an embodiment of a low-temperature plasma total heat recovery membrane and a purifier thereof provided by the invention.
Fig. 2 is a schematic diagram of the principle and structure of an embodiment of uniform arrangement of electrodes of a low-temperature plasma total heat recovery membrane and a purifier thereof provided by the invention.
Fig. 3 is a schematic diagram of the principle and structure of an embodiment of a low-temperature plasma total heat recovery film and a purifier thereof provided by the invention.
Fig. 4 is a schematic diagram of the principle and structure of a serpentine arrangement of low-temperature plasma total heat recovery membrane electrode of a low-temperature plasma total heat recovery membrane and a purifier thereof according to an embodiment of the invention.
Fig. 5 is a schematic diagram of the principle and structure of an embodiment of uniform arrangement of low-temperature plasma total heat recovery membrane electrodes of the low-temperature plasma total heat recovery membrane and the purifier thereof provided by the invention.
In the figure: 1-a high voltage power supply; 2-a cable; 3-a base film; 4-a first electrode; 5-a second electrode; 6-catalytic adsorbent; 7-air exhaust inlet; 8-an exhaust outlet; 9-fresh air inlet; 10-fresh air outlet; 11-a housing; 12-an insulating module; 13 — a first electrode composite film; 14-second electrode composite membrane.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
fig. 1 is a schematic diagram of the principle and structure of a low-temperature plasma total heat recovery membrane and a purifier thereof, and the low-temperature plasma total heat recovery membrane comprises a high-voltage power supply (1), a cable (2), a base membrane (3), a first electrode (4), a second electrode (5), a catalytic adsorbent (6), an exhaust inlet (7), an exhaust outlet (8), a fresh air inlet (9), a fresh air outlet (10), a shell (11), an insulation module (12), a first electrode composite membrane (13) and a second electrode composite membrane (14); the first electrode composite membrane (13) is formed by compounding a base membrane (3), a first electrode (4) and a catalytic adsorbent (6), and the second electrode composite membrane (14) is formed by compounding the base membrane (3), a second electrode (5) and the catalytic adsorbent (6); the first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form a gas fluid channel, and the multiple groups of first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form an exhaust inlet (7), an exhaust outlet (8), a fresh air inlet (9) and a fresh air outlet (10); the first electrode (4) and the second electrode (5) are non-uniformly distributed, and the electrode line distances from the air exhaust inlet (7) to the air exhaust outlet (8) are sequentially increased; the catalytic adsorbent (6) is non-uniformly distributed, the content of the catalytic adsorbent increases from the exhaust inlet (7) to the exhaust outlet (8) in sequence, and the content of the catalytic adsorbent increases from the fresh air inlet (9) to the fresh air outlet (10) in sequence; the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the first electrode composite film (13), the second electrode composite film (14) and the shell (1) are arranged in an insulating mode; the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the shell (11), the first electrode composite membrane (13) and the second electrode composite membrane (14) form a fresh air channel communicated with a fresh air inlet (9) and a fresh air outlet (10) and an exhaust air channel communicated with an exhaust air inlet (7) and an exhaust air outlet (8) through the insulation module (12).
The structure of the first electrode composite membrane and the second electrode composite membrane can be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a gradually-reduced and gradually-expanded gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The first electrode and the second electrode can be non-uniformly distributed or uniformly distributed, and can be arranged in parallel or in a snake shape or a net shape. The catalytic adsorbent can be distributed non-uniformly or non-uniformly mixed.
The material of the base film is fiber and high-molecular moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silica, metal organic framework and molecular sieve or a composite catalytic adsorption material; the insulation module is one or more of rubber, plastic, ceramic, glass, mica, asbestos and insulation fiber.
The high-voltage power supply can be one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply. The low-temperature plasma total heat recovery membrane and the purifier thereof can be used independently, and can also be used in series or in parallel.
A low-temperature plasma total heat recovery membrane and a purifier thereof are disclosed, wherein a first electrode and a second electrode form a low-temperature plasma field in a gas channel under the action of high-voltage, harmful waste gas enters the gas channel from an exhaust inlet and is rapidly decomposed under the action of high-voltage plasma discharge of the first electrode and the second electrode, and residual harmful waste gas and ozone generated by low-temperature plasma are converted into harmless gas under the catalysis and adsorption actions of a high-content catalytic adsorbent near an exhaust outlet and are exhausted from the exhaust outlet; outdoor fresh air enters the gas channel from the fresh air inlet, fresh air harmful components are purified in a low-temperature plasma channel formed by the first electrode and the second electrode, residual harmful components and ozone generated by low-temperature plasma are further purified under the catalysis and adsorption effects of the high-content catalytic adsorbent near the fresh air outlet, and the purified fresh air is sent into a room through the fresh air outlet; meanwhile, when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer effect of the first electrode composite membrane and the second electrode composite membrane.
Fig. 2 is a schematic diagram of the principle and structure of an embodiment of uniform arrangement of electrodes of a low-temperature plasma total heat recovery membrane and a purifier thereof provided by the invention, and the low-temperature plasma total heat recovery membrane comprises a high-voltage power supply (1), a cable (2), a base membrane (3), a first electrode (4), a second electrode (5), a catalytic adsorbent (6), an exhaust inlet (7), an exhaust outlet (8), a fresh air inlet (9), a fresh air outlet (10), a shell (11), an insulation module (12), a first electrode composite membrane (13) and a second electrode composite membrane (14); the first electrode composite membrane (13) is formed by compounding a base membrane (3), a first electrode (4) and a catalytic adsorbent (6), and the second electrode composite membrane (14) is formed by compounding the base membrane (3), a second electrode (5) and the catalytic adsorbent (6); the first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form a gas fluid channel, and the multiple groups of first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form an exhaust inlet (7), an exhaust outlet (8), a fresh air inlet (9) and a fresh air outlet (10); the first electrode (4) and the second electrode (5) are uniformly distributed, the electrode line spacing from the exhaust inlet (7) to the exhaust outlet (8) is the same, and the electrode line spacing from the fresh air inlet (9) to the fresh air outlet (10) is the same; the catalytic adsorbent (6) is uniformly distributed, the content is the same from the exhaust air inlet (7) to the exhaust air outlet (8), and the content is the same from the fresh air inlet (9) to the fresh air outlet (10); the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the first electrode composite film (13), the second electrode composite film (14) and the shell (1) are arranged in an insulating mode; the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the shell (11), the first electrode composite membrane (13) and the second electrode composite membrane (14) form a fresh air channel communicated with a fresh air inlet (9) and a fresh air outlet (10) and an exhaust air channel communicated with an exhaust air inlet (7) and an exhaust air outlet (8) through the insulation module (12).
The structure of the first electrode composite membrane and the second electrode composite membrane can be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a gradually-reduced and gradually-expanded gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The first electrode and the second electrode can be arranged in parallel, or can be arranged in a snake shape or in a net shape. The catalytic adsorbent can be uniformly distributed, or can be non-uniformly distributed or uniformly and non-uniformly mixed and distributed.
The material of the base film is fiber and high-molecular moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silica, metal organic framework and molecular sieve or a composite catalytic adsorption material; the insulation module is one or more of rubber, plastic, ceramic, glass, mica, asbestos and insulation fiber.
The high-voltage power supply can be one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply. The low-temperature plasma total heat recovery membrane and the purifier thereof can be used independently, and can also be used in series or in parallel.
A low-temperature plasma total heat recovery membrane and a purifier thereof are disclosed, wherein a first electrode and a second electrode form a low-temperature plasma field in a gas channel under the action of high voltage, harmful waste gas enters the gas channel from an exhaust inlet and is rapidly decomposed under the action of high-voltage plasma discharge of the first electrode and the second electrode, and meanwhile, ozone generated by the harmful waste gas and low-temperature plasma is converted into harmless gas under the catalysis and adsorption actions of a catalytic adsorbent and is discharged from an exhaust outlet; outdoor fresh air enters the gas channel from the fresh air inlet, harmful components of the fresh air are purified in the low-temperature plasma channel formed by the first electrode and the second electrode, meanwhile, the harmful components and ozone generated by the low-temperature plasma are further purified under the catalysis and adsorption effects of the catalytic adsorbent, and the purified fresh air is sent into a room through the fresh air outlet; when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer action of the first electrode composite membrane and the second electrode composite membrane.
Fig. 3 is a schematic diagram of the principle and structure of an embodiment of a low-temperature plasma total heat recovery membrane and a purifier thereof provided by the invention, and the low-temperature plasma total heat recovery membrane comprises a high-voltage power supply (1), a cable (2), a base membrane (3), a first electrode (4), a second electrode (5), a catalytic adsorbent (6), a first electrode composite membrane (13), and a second electrode composite membrane (14); the first electrode composite membrane (13) is formed by compounding a base membrane (3), a first electrode (4) and a catalytic adsorbent (6), and the second electrode composite membrane (14) is formed by compounding the base membrane (3), a second electrode (5) and the catalytic adsorbent (6); the first electrode (4) and the second electrode (5) are non-uniformly distributed, and the electrode line spacing is increased in sequence; the catalytic adsorbent (6) is non-uniformly distributed, and the content of the catalytic adsorbent is increased in sequence along the gas flowing direction; the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the first electrode composite membrane (13) and the second electrode composite membrane (14) form a gas flow channel.
The structure of the first electrode composite membrane and the second electrode composite membrane can be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a gradually-reduced and gradually-expanded gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The first electrode and the second electrode can be non-uniformly distributed or uniformly distributed, and can be arranged in parallel or in a snake shape or a net shape. The catalytic adsorbent can be distributed non-uniformly or non-uniformly mixed.
The material of the base film is fiber and high-molecular moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silicon dioxide, metal organic framework and molecular sieve or composite catalytic adsorption material.
The high-voltage power supply can be one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply.
A low-temperature plasma total heat recovery membrane, the first electrode, the second electrode forms the low-temperature plasma field in the gas channel under the high-voltage function, harmful waste gas is decomposed rapidly under the high-voltage plasma discharge function of the first electrode and the second electrode, the residual harmful waste gas and ozone that the low-temperature plasma produces are under the catalysis and absorption of the high-content catalytic absorbent near the outlet port, turn into harmless gas and discharge from the air exhaust outlet; outdoor fresh air purifies fresh air harmful components in a low-temperature plasma channel formed by a first electrode and a second electrode, residual harmful components and ozone generated by low-temperature plasma are further purified under the catalysis and adsorption effects of a high-content catalytic adsorbent near an outlet, and the purified fresh air is sent into a room through a fresh air outlet; meanwhile, when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer effect of the first electrode composite membrane and the second electrode composite membrane.
Fig. 4 is a schematic diagram of the principle and structure of an embodiment of serpentine arrangement of low-temperature plasma total heat recovery membrane electrodes of a low-temperature plasma total heat recovery membrane and a purifier thereof provided by the invention, and the low-temperature plasma total heat recovery membrane electrodes comprise a high-voltage power supply (1), a cable (2), a base membrane (3), a first electrode (4), a second electrode (5), a catalytic adsorbent (6), a first electrode composite membrane (13) and a second electrode composite membrane (14); the first electrode composite membrane (13) is formed by compounding a base membrane (3), a first electrode (4) and a catalytic adsorbent (6), and the second electrode composite membrane (14) is formed by compounding the base membrane (3), a second electrode (5) and the catalytic adsorbent (6); the first electrode (4) and the second electrode (5) are distributed in a snake shape and are distributed non-uniformly, and the electrode line spacing is increased in sequence; the catalytic adsorbent (6) is non-uniformly distributed, and the content of the catalytic adsorbent is increased in sequence along the gas flowing direction; the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the first electrode composite membrane (13) and the second electrode composite membrane (14) form a gas flow channel.
The structure of the first electrode composite membrane and the second electrode composite membrane can be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a gradually-reduced and gradually-expanded gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The catalytic adsorbent can be distributed non-uniformly or non-uniformly mixed.
The material of the base film is fiber and high-molecular moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silicon dioxide, metal organic framework and molecular sieve or composite catalytic adsorption material.
The high-voltage power supply can be one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply.
A low-temperature plasma total heat recovery film is characterized in that a first electrode and a second electrode form a low-temperature plasma field in a gas channel under the action of high voltage, harmful waste gas is rapidly decomposed under the action of high-voltage plasma discharge of the first electrode and the second electrode, and residual harmful waste gas and ozone generated by low-temperature plasma are converted into harmless gas under the catalysis and adsorption actions of a high-content catalytic adsorbent near an outlet and are discharged from an exhaust outlet; outdoor fresh air purifies fresh air harmful components in a low-temperature plasma channel formed by a first electrode and a second electrode, residual harmful components and ozone generated by low-temperature plasma are further purified under the catalysis and adsorption effects of a high-content catalytic adsorbent near an outlet, and the purified fresh air is sent into a room through a fresh air outlet; meanwhile, when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer effect of the first electrode composite membrane and the second electrode composite membrane.
Fig. 5 is a schematic diagram of the principle and structure of an embodiment of uniform arrangement of low-temperature plasma total heat recovery membrane electrodes of the low-temperature plasma total heat recovery membrane and the purifier thereof provided by the invention, and the low-temperature plasma total heat recovery membrane comprises a high-voltage power supply (1), a cable (2), a base membrane (3), a first electrode (4), a second electrode (5), a catalytic adsorbent (6), a first electrode composite membrane (13) and a second electrode composite membrane (14); the first electrode composite membrane (13) is formed by compounding a base membrane (3), a first electrode (4) and a catalytic adsorbent (6), and the second electrode composite membrane (14) is formed by compounding the base membrane (3), a second electrode (5) and the catalytic adsorbent (6); the first electrode (4) and the second electrode (5) are uniformly distributed, and the electrode line intervals are the same; the catalytic adsorbent (6) is non-uniformly distributed, and the content of the catalytic adsorbent is increased in sequence along the gas flowing direction; the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the first electrode composite membrane (13) and the second electrode composite membrane (14) form a gas flow channel.
The structure of the first electrode composite membrane and the second electrode composite membrane can be one or more of a linear type, a broken line type and a wave type, and one or more of a linear type, a broken line type, a curve type or a reducing and expanding type gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane. The first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent. The catalytic adsorbent can be distributed non-uniformly or non-uniformly mixed.
The material of the base film is fiber and high-molecular moisture-permeable material; the materials of the first electrode and the second electrode can be one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silicon dioxide, metal organic framework and molecular sieve or composite catalytic adsorption material.
The high-voltage power supply can be one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply.
A low-temperature plasma total heat recovery membrane, the first electrode, the second electrode forms the low-temperature plasma field in the gas channel under the high-voltage function, harmful waste gas is decomposed rapidly under the high-voltage plasma discharge function of the first electrode and the second electrode, the residual harmful waste gas and ozone that the low-temperature plasma produces are under the catalysis and absorption of the high-content catalytic absorbent near the outlet port, turn into harmless gas and discharge from the air exhaust outlet; outdoor fresh air purifies fresh air harmful components in a low-temperature plasma channel formed by a first electrode and a second electrode, residual harmful components and ozone generated by low-temperature plasma are further purified under the catalysis and adsorption effects of a high-content catalytic adsorbent near an outlet, and the purified fresh air is sent into a room through a fresh air outlet; meanwhile, when fresh air and harmful waste gas flow in the gas channel, the fresh air can recover sensible heat and latent heat energy of the harmful waste gas through the heat transfer effect of the first electrode composite membrane and the second electrode composite membrane.
Claims (10)
1. A low temperature plasma total heat recovery membrane and clarifier which characterized in that: the gas-liquid separator comprises at least one group of first electrode composite membrane and second electrode composite membrane, wherein the first electrode composite membrane and the second electrode composite membrane are correspondingly arranged up and down and at least form two gas channels; the first electrode composite membrane and the second electrode composite membrane are both formed by compounding a base membrane, an electrode, a catalyst and an adsorbent, and high-voltage is applied to the electrodes on the first electrode composite membrane and the second electrode composite membrane; the first electrode composite membrane, the second electrode composite membrane and the shell are connected through the insulating module; fresh air and waste gas flow to the fresh air outlet and the exhaust air outlet from the fresh air inlet and the exhaust air inlet of the gas channel respectively.
2. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1, wherein: the first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form a gas fluid channel, and the multiple groups of first electrode composite membranes (13) and the second electrode composite membranes (14) are connected through the insulation modules (12) to form an exhaust inlet (7), an exhaust outlet (8), a fresh air inlet (9) and a fresh air outlet (10); the first electrode (4) and the second electrode (5) are non-uniformly distributed, and the electrode line distances from the air exhaust inlet (7) to the air exhaust outlet (8) are sequentially increased; the catalytic adsorbent (6) is non-uniformly distributed, the content of the catalytic adsorbent increases from the exhaust inlet (7) to the exhaust outlet (8) in sequence, and the content of the catalytic adsorbent increases from the fresh air inlet (9) to the fresh air outlet (10) in sequence; the first electrode (4) is connected with one end of a high-voltage power supply (1) through a cable (2), and the second electrode (5) is connected with the other end of the high-voltage power supply (1) through the cable (2); the first electrode composite film (13), the second electrode composite film (14) and the shell (1) are arranged in an insulating mode; the high-voltage power supply (1), the first electrode (4) and the second electrode (5) are connected through a cable (2) to form a high-voltage discharge loop; the shell (11), the first electrode composite membrane (13) and the second electrode composite membrane (14) form a fresh air channel communicated with a fresh air inlet (9) and a fresh air outlet (10) and an exhaust air channel communicated with an exhaust air inlet (7) and an exhaust air outlet (8) through the insulation module (12).
3. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the structure of the first electrode composite membrane and the second electrode composite membrane is one or more of a linear type, a broken line type or a wave type, and one or more of a linear type, a broken line type, a curve type or a gradually-reduced and gradually-expanded gas channel can be formed between the first electrode composite membrane and the second electrode composite membrane.
4. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the first electrode composite membrane is formed by compounding a first electrode with a base membrane to form one or more of a catalyst and an adsorbent, and the second electrode composite membrane is formed by compounding a second electrode with a base membrane to form one or more of a catalyst and an adsorbent.
5. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the first electrode and the second electrode are non-uniformly distributed, or are arranged in parallel, or are arranged in a snake shape or a net shape.
6. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the catalytic adsorbent is distributed non-uniformly, or uniformly and non-uniformly mixed.
7. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the material of the base film is fiber and high-molecular moisture-permeable material; the first electrode and the second electrode are made of one or more of stainless steel, carbon steel, copper, aluminum, tungsten or titanium alloy or other high-conductivity materials; the catalytic adsorbent is one or more of noble metal, rare metal, metal oxide, active carbon fiber, diatomite, mesoporous silica, metal organic framework and molecular sieve or a composite catalytic adsorption material; the insulation module is one or more of rubber, plastic, ceramic, glass, mica, asbestos and insulation fiber.
8. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the high-voltage power supply is one of a high-voltage pulse power supply, a high-voltage direct-current power supply and a high-voltage alternating-current power supply.
9. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the low-temperature plasma total heat recovery purifier is used independently, or used in series or in parallel.
10. The low-temperature plasma total heat recovery membrane and the purifier thereof according to claim 1 or 2, wherein: the first electrode and the second electrode form a low-temperature plasma field in the gas channel under the action of high-voltage, harmful waste gas enters the gas channel from the exhaust inlet and is rapidly decomposed under the action of high-voltage plasma discharge of the first electrode and the second electrode, and residual harmful waste gas and ozone generated by low-temperature plasma are converted into harmless gas under the catalysis and adsorption actions of a high-content catalytic adsorbent near the exhaust outlet and are discharged from the exhaust outlet; outdoor fresh air is purified from a fresh air inlet gas channel, fresh air harmful components are purified in a low-temperature plasma channel formed by a first electrode and a second electrode, residual harmful components and ozone generated by low-temperature plasma are purified under the catalysis and adsorption effects of a high-content catalytic adsorbent near a fresh air outlet, and the purified fresh air is sent into a room through the fresh air outlet; when fresh air and harmful waste gas flow in the gas channel, the fresh air recovers sensible heat and latent heat energy of the harmful waste gas through the heat transfer action of the first electrode composite membrane and the second electrode composite membrane.
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| KR20090095169A (en) * | 2008-03-05 | 2009-09-09 | 삼성전자주식회사 | Air Cleaner |
| JP2011050929A (en) * | 2009-09-04 | 2011-03-17 | Impact World Kk | Gas cleaning device, electrode for plasma generation and gas cleaning method |
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