CN107741051B - Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method - Google Patents
Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method Download PDFInfo
- Publication number
- CN107741051B CN107741051B CN201710787073.3A CN201710787073A CN107741051B CN 107741051 B CN107741051 B CN 107741051B CN 201710787073 A CN201710787073 A CN 201710787073A CN 107741051 B CN107741051 B CN 107741051B
- Authority
- CN
- China
- Prior art keywords
- air
- heat exchanger
- indoor
- adsorption
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 32
- 238000004378 air conditioning Methods 0.000 title claims abstract description 26
- 238000001179 sorption measurement Methods 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 61
- 230000001172 regenerating effect Effects 0.000 claims abstract description 32
- 238000000746 purification Methods 0.000 claims abstract description 31
- 238000011069 regeneration method Methods 0.000 claims abstract description 28
- 238000004887 air purification Methods 0.000 claims abstract description 23
- 230000008929 regeneration Effects 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 238000010926 purge Methods 0.000 claims abstract description 7
- 239000002918 waste heat Substances 0.000 claims abstract description 7
- 239000002912 waste gas Substances 0.000 claims abstract description 5
- 239000003463 adsorbent Substances 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000003795 desorption Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- -1 diatom Chemical compound 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims 4
- 230000009471 action Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010035664 Pneumonia Diseases 0.000 description 1
- 206010039085 Rhinitis allergic Diseases 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- 201000010105 allergic rhinitis Diseases 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F24F8/108—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 using dry filter elements
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a household air conditioning system capable of removing indoor VOCs and formaldehyde and an operation method. The system comprises a compressor, a regenerative heat exchanger, an adsorption bed, an outdoor tube fin heat exchanger, an indoor tube fin heat exchanger, a throttling element, a four-way reversing valve, an electric stop valve, a fan, an air valve and a purification air channel. The invention adds an air purification part on the basis of a common household air conditioner, and in the air purification stage, the purification treatment is carried out on the air flowing through by the adsorption action of VOCs (volatile organic compounds) and formaldehyde adsorption materials filled in an adsorption bed; in the regeneration stage, air is heated in a regeneration heat exchanger by utilizing the condensation waste heat of an air conditioner, high-temperature air enters an adsorption bed, heat required by the regeneration process of an adsorption material is provided and simultaneously serves as purge gas, and then waste gas is discharged to the outside. The invention can realize the continuous adsorption of VOCs and formaldehyde in the room, and improve the quality of the indoor air; the adsorption material is regenerated by effectively utilizing the condensing waste heat of the air conditioner, the effect of recycling is achieved, and the energy consumption of the system is saved.
Description
Technical Field
The invention relates to the technical field of refrigeration air conditioners, in particular to a household air conditioning system capable of removing indoor VOCs and formaldehyde and an operation method.
Background
People live in the room for more than 80% of their lives, so the quality of indoor air will have a great influence on the quality of life of people. Lower indoor air quality will reduce labor efficiency and even harm the health of residents, resulting in a series of building-related diseases such as allergic rhinitis, allergic pneumonia, asthma, etc. Among the harmful gases affecting the quality of indoor air, Volatile Organic Compounds (VOCs) and formaldehyde account for a large proportion.
In the current indoor purification technology, the adsorption material has the advantages of low cost, no harmful byproducts and the like, and is widely applied in the market. However, because the adsorption capacity of the adsorption material is limited, the adsorption saturation problem is solved by replacing the adsorption material in the current market, so that the adsorption potential purifier needs to be frequently replaced by the adsorption material, and the operation cost is increased. And if the adsorbing material is not replaced for a long time, the air purifying effect cannot be achieved. Therefore, there is a need to solve the critical problem of adsorbent saturation.
In a conventional household air conditioning system, the condensation heat in the outdoor tube-fin heat exchanger is directly exhausted to the outside in the form of waste heat through a fan, and the part of the heat is not well utilized. And the exhaust temperature at the outlet of the compressor is higher, and the temperature can be used for partially or completely regenerating the adsorption material, so that the adsorption material can be recycled.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a household air conditioning system which has low energy consumption and can remove indoor VOCs and formaldehyde.
The invention aims to realize the purpose of the invention by the following technical scheme:
the household air conditioning system capable of removing indoor VOCs and formaldehyde comprises a compressor, a first electric stop valve, a regenerative heat exchanger, a second electric stop valve, a four-way reversing valve, an outdoor tube-fin heat exchanger, a throttling element, an indoor tube-fin heat exchanger, a purification fan, an outdoor fan, an indoor fan, an adsorption bed, an exhaust air valve, an air supply air valve and a purification air channel;
the household air-conditioning system comprises a refrigerant flow, an air purification flow, an air flow of an air conditioner indoor unit and an air flow of a system outdoor unit;
the connection mode of the refrigerant flow is as follows: the outlet of the compressor is connected with the inlets of the first electric stop valve and the second electric stop valve, the inlet of the compressor is connected with one interface of the four-way reversing valve, the outlet of the first electric stop valve is connected with the inlet of the regenerative heat exchanger, the outlet of the regenerative heat exchanger is connected with the outlet of the second electric stop valve and then connected with one interface of the four-way reversing valve, the other two interfaces of the four-way reversing valve are respectively connected with the inlet of the outdoor finned tube heat exchanger and the outlet of the indoor finned tube heat exchanger, the outlet of the outdoor finned tube heat exchanger is connected with the inlet of the throttling element, and the outlet of the throttling element is connected with the inlet of the indoor finned tube heat exchanger;
the connection mode of the air purification process is as follows: indoor air enters the regenerative heat exchanger after passing through the purification fan in the purification air duct, then passes through the adsorption bed, and finally is exhausted to the outdoor through the exhaust air valve or sent to the indoor through the air supply air valve;
the connection mode of the air flow of the indoor unit of the air conditioner is as follows: after passing through the indoor tube-fin heat exchanger, the indoor air is sent into the room by the indoor fan;
the connection mode of the air flow of the system outdoor unit is as follows: and after passing through the outdoor tube-fin heat exchanger, the outdoor air is sent to the outside by the outdoor fan.
Preferably, the adsorption bed is filled with VOCs and formaldehyde solid adsorption materials, and the adsorption materials include but are not limited to silica gel, diatom, activated carbon and activated alumina.
Preferably, the regenerative heat exchanger is a tube-fin heat exchanger, and a copper tube inlet of the regenerative heat exchanger is connected with an outlet of the compressor after passing through the first electric stop valve; after the adsorption material in the adsorption bed is saturated, the air is heated in the regeneration heat exchanger by utilizing the condensation waste heat of the air conditioner, the high-temperature air enters the adsorption bed, the heat required by the regeneration process of the adsorption material is provided, and meanwhile, the heat is used as purge gas to regenerate the adsorption material.
Preferably, the purification air duct is installed on an indoor wall and is communicated with the outdoor space through the air duct.
Another object of the present invention is to provide a home air conditioner operation method using the system of any one of the above, which includes an air purification method, an adsorption material regeneration method, and a home air conditioner operation method;
the air purification method comprises the following steps:
the system closes the first electric stop valve and the exhaust air valve, and opens the second electric stop valve, the purification fan and the supply air valve; indoor air flows through the regenerative heat exchanger which is not in a working state and then enters the adsorption bed; harmful substances in the air are removed due to the adsorption effect of the solid adsorption material filled with VOCs and formaldehyde, so that the purification effect is achieved; the purified air is sent into the room through the air supply air valve, so that the effect of purifying the air is achieved;
the regeneration method of the adsorption material comprises the following steps:
when the adsorption material filled in the adsorption bed is saturated, the system opens the first electric stop valve, the purification fan and the exhaust air valve, and closes the second electric stop valve and the supply air valve; refrigerant gas with high temperature and high pressure at the outlet of the compressor enters the regenerative heat exchanger through the tube side of the regenerative heat exchanger to heat air flowing through the regenerative heat exchanger; the heated high-temperature air enters the adsorption bed, provides heat required by the regeneration process of the adsorption material, and simultaneously serves as purge gas to take away desorbed harmful substances to regenerate the adsorption material; and the waste gas in the regeneration process is exhausted to the outside through the exhaust air valve.
Preferably, the air purification method and the adsorbent regeneration method are alternately performed according to a certain period, the air purification time and the adsorbent regeneration time are determined according to the physical properties of specific materials, and a constant or an amount which changes in consideration of the change of material properties as the total operation time length increases is adopted; the adsorption performance of the adsorption material is ensured by the cycle of adsorption and desorption of the material, the air purification function is realized, and the indoor air quality is improved.
Compared with the prior art, the household air conditioning system capable of removing indoor VOCs and formaldehyde has the advantages that:
firstly, the invention adds an air purification part on the basis of a common household air conditioner, can purify indoor Volatile Organic Compounds (VOCs) and formaldehyde, and improves the indoor air quality.
Secondly, the adsorbing material in the adsorption bed can be regenerated under the action of the condensation heat of the air conditioner, so that the adsorbing material can be recycled, the service life of the material is prolonged, and the operation cost is reduced.
Thirdly, the invention utilizes the condensation waste heat of the air conditioner to heat the regeneration air for the regeneration process of the adsorption material in the adsorption bed, does not need other energy input, and is energy-saving and environment-friendly.
Fourthly, the adsorbing material in the invention adopts the form of an adsorption bed to purify the air, so that the filling amount of the adsorbing material can be increased, the air purification treatment capacity can be improved, the air purification duration of the system can be prolonged, and the system efficiency can be improved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is a schematic view showing a structure of a household air conditioning system capable of removing VOCs and formaldehyde from indoor air according to the present invention.
In the figure: the system comprises a compressor 1, a first electric stop valve 2, a regenerative heat exchanger 3, a second electric stop valve 4, a four-way reversing valve 5, an outdoor tube-fin heat exchanger 6, a throttling element 7, an indoor tube-fin heat exchanger 8, a purification fan 9, an outdoor fan 10, an indoor fan 11, an adsorption bed 12, an exhaust air valve 13, an air supply air valve 14 and a purification air duct 15.
Detailed Description
A preferred embodiment of the present invention provides a household air conditioning system capable of removing indoor VOCs and formaldehyde, which is integrally divided into an outdoor unit part, an air purification part, and an indoor unit part of an air conditioner, as shown in fig. 1, and specifically includes a compressor 1, a first electric stop valve 2, a regenerative heat exchanger 3, a second electric stop valve 4, a four-way reversing valve 5, an outdoor finned tube heat exchanger 6, a throttling element 7, an indoor finned tube heat exchanger 8, a purification fan 9, an outdoor fan 10, an indoor fan 11, an adsorption bed 12, an exhaust air valve 13, an air supply air valve 14, and a purification air duct 15.
The household air-conditioning system also comprises a refrigerant flow, an air purification flow, an air flow of an air conditioner indoor unit and an air flow of a system outdoor unit.
The connection mode of the refrigerant flow is as follows: the outlet of the compressor 1 is connected with the inlets of the first electric stop valve 2 and the second electric stop valve 4, the inlet of the compressor 1 is connected with one interface of the four-way reversing valve 5, the outlet of the first electric stop valve 2 is connected with the inlet of the regenerative heat exchanger 3, the outlet of the regenerative heat exchanger 3 is connected with the outlet of the second electric stop valve 4 and then connected with one interface of the four-way reversing valve 5, the other two interfaces of the four-way reversing valve 5 are respectively connected with the inlet of the outdoor finned tube heat exchanger 6 and the outlet of the indoor finned tube heat exchanger 8, the outlet of the outdoor finned tube heat exchanger 6 is connected with the inlet of the throttling element 7, and the outlet of the throttling element 7 is connected with the inlet of the indoor finned tube heat exchanger 8; the connection mode of the air purification process is as follows: indoor air enters the regenerative heat exchanger 3 after passing through the purification fan 9 in the purification air duct 15, then passes through the adsorption bed 12, and finally is discharged to the outdoor through the exhaust air valve 13 or is sent to the indoor through the supply air valve 14;
the connection mode of the air flow of the indoor unit of the air conditioner is as follows: after passing through the indoor tube-fin heat exchanger 8, the indoor air is sent into the room by the indoor fan 11;
the connection mode of the air flow of the system outdoor unit is as follows: after passing through the outdoor tube-fin heat exchanger 6, the outdoor air is sent to the outside by the outdoor fan 10.
The domestic air conditioning system of indoor VOCs and formaldehyde can be clear away to a of this embodiment, adsorbent bed 12 is inside to be filled with VOCs and formaldehyde solid adsorption material, and the adsorption material includes but not limited to silica gel, diatom, active carbon, active alumina etc.. The purification process of air is realized through the adsorption effect of the filling material on VOCs and formaldehyde.
The domestic air conditioning system capable of removing indoor VOCs and formaldehyde in the embodiment is characterized in that the regenerative heat exchanger 3 is a common tube-fin heat exchanger, and a copper tube inlet of the regenerative heat exchanger is connected with an outlet of the compressor 1 after passing through the first electric stop valve 2. After the adsorption material in the adsorption bed 12 is saturated, the air is heated in the regenerative heat exchanger 3 by utilizing the condensation waste heat of the air conditioner, the high-temperature air enters the adsorption bed 12, the heat required by the regeneration process of the adsorption material is provided, and meanwhile, the heat is used as purge gas to regenerate the adsorption material.
In the household air conditioning system capable of removing indoor VOCs and formaldehyde of the present embodiment, the purification duct 15 includes the supply air valve 14 for sending purified air into a room and the exhaust air valve 13 for directly exhausting waste gas in a regeneration process to the outside. The purifying air duct 15 is installed on an indoor wall and is communicated with the outdoor through an air duct.
The embodiment also provides an operation method of the household air-conditioning system capable of removing indoor VOCs and formaldehyde, the functions of removing VOCs and automatically regenerating VOCs are added, and a user can control the household air-conditioning system through an air-conditioning control panel, and the household air-conditioning system has three levels of powerful removal, general removal, intelligent removal and the like. The powerful removal means that the purification fan always keeps high air volume operation, the general removal means that the intermittent working air volume is lower, and the intelligent removal means that the operation of the purification system is optimized according to local time, operation time and the like. Comprises an air purification method, an adsorption material regeneration method and a household air conditioner operation method;
the air purification method of the embodiment comprises the following steps:
the system closes the first electric stop valve 2 and the exhaust air valve 13, and opens the second electric stop valve 4, the purification fan 9 and the supply air valve 14; after passing through the regenerator 3 which is not in operation, the indoor air enters the adsorbent bed 12. Due to the adsorption effect of the solid adsorption materials (such as diatom, activated carbon and the like) filled with VOCs and formaldehyde, harmful substances in the air, such as VOCs, formaldehyde and the like, are removed, and the purification effect is achieved. The purified air is sent into the room through the air supply air valve 14, so that the effect of purifying the air is achieved;
the adsorbent regeneration method of the present example was:
when the adsorption material filled in the adsorption bed 12 is saturated, the system opens the first electric stop valve 2, the purification fan 9 and the exhaust air valve 13, and closes the second electric stop valve 4 and the supply air valve (14); the refrigerant gas with high temperature and high pressure at the outlet of the compressor 1 enters the regenerative heat exchanger 3 through the tube side of the regenerative heat exchanger 3 to heat the air flowing through. The high temperature air after the heating gets into adsorption bed 12 provides the required heat of adsorbing material regeneration process and acts as the purge gas simultaneously and takes away harmful substance such as VOCs and formaldehyde of desorption, regenerates adsorption material. The waste gas in the regeneration process is exhausted to the outside through the exhaust air valve 13.
The operation method of the household air conditioner in the embodiment is the same as that of the conventional household air conditioner, and is not described again.
The air cleaning method of the present embodiment and the adsorbent regeneration method of the present embodiment are alternately performed at a certain period, and the air cleaning time and the adsorbent regeneration time are determined according to the physical properties of the specific material, and may be constant or variable in accordance with the change in the material properties in consideration of the increase in the total operating time. The adsorption performance of the adsorption material is ensured by the cycle of adsorption and desorption of the material, the air purification function is realized, and the indoor air quality is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The operation method of the household air conditioning system capable of removing indoor VOCs and formaldehyde is characterized in that the household air conditioning system comprises a compressor (1), a first electric stop valve (2), a regenerative heat exchanger (3), a second electric stop valve (4), a four-way reversing valve (5), an outdoor tube-fin heat exchanger (6), a throttling element (7), an indoor tube-fin heat exchanger (8), a purification fan (9), an outdoor fan (10), an indoor fan (11), an adsorption bed (12), an exhaust air valve (13), an air supply air valve (14) and a purification air channel (15);
the household air-conditioning system comprises a refrigerant flow, an air purification flow, an air flow of an air conditioner indoor unit and an air flow of a system outdoor unit;
the connection mode of the refrigerant flow is as follows: the outlet of the compressor (1) is connected with the inlets of the first electric stop valve (2) and the second electric stop valve (4), the inlet of the compressor (1) is connected with one interface of the four-way reversing valve (5), the outlet of the first electric stop valve (2) is connected with the inlet of the regenerative heat exchanger (3), the outlet of the regenerative heat exchanger (3) is connected with the outlet of the second electric stop valve (4) and then connected with one interface of the four-way reversing valve (5), the other two interfaces of the four-way reversing valve (5) are respectively connected with the inlet of the outdoor tube-fin heat exchanger (6) and the outlet of the indoor tube-fin heat exchanger (8), the outlet of the outdoor finned tube heat exchanger (6) is connected with the inlet of the throttling element (7), the outlet of the throttling element (7) is connected with the inlet of the indoor tube-fin heat exchanger (8);
the connection mode of the air purification process is as follows: indoor air enters the regenerative heat exchanger (3) after passing through a purification fan (9) in the purification air duct (15), then passes through the adsorption bed (12), and finally is discharged to the outdoor through an exhaust air valve (13) or sent to the indoor through an air supply air valve (14);
the connection mode of the air flow of the indoor unit of the air conditioner is as follows: after passing through the indoor tube-fin heat exchanger (8), the indoor air is sent into the room by the indoor fan (11);
the connection mode of the air flow of the system outdoor unit is as follows: after passing through the outdoor tube-fin heat exchanger (6), the outdoor air is sent to the outside by the outdoor fan (10);
the operation method comprises an air purification method, an adsorption material regeneration method and a household air conditioner operation method;
the air purification method comprises the following steps:
the system closes the first electric stop valve (2) and the exhaust air valve (13), and opens the second electric stop valve (4), the purification fan (9) and the supply air valve (14); indoor air enters the adsorption bed (12) after flowing through the regenerative heat exchanger (3) which is not in a working state; harmful substances in the air are removed due to the adsorption effect of the solid adsorption material filled with VOCs and formaldehyde, so that the purification effect is achieved; the purified air is sent into the room through the air supply air valve (14) to achieve the effect of purifying the air;
the regeneration method of the adsorption material comprises the following steps:
when the adsorption material filled in the adsorption bed (12) is saturated, the system opens the first electric stop valve (2), the purification fan (9) and the exhaust air valve (13), and closes the second electric stop valve (4) and the supply air valve (14); refrigerant gas with high temperature and high pressure at the outlet of the compressor (1) enters the regenerative heat exchanger (3) through the tube side of the regenerative heat exchanger (3) to heat air flowing through; the heated high-temperature air enters the adsorption bed (12), provides heat required by the regeneration process of the adsorption material, and simultaneously serves as purge gas to take away desorbed harmful substances to regenerate the adsorption material; the waste gas in the regeneration process is exhausted to the outside through the exhaust air valve (13).
2. The operating method of a home air conditioning system according to claim 1, wherein the inside of the adsorption bed (12) is filled with VOCs and formaldehyde solid adsorption material, and the adsorption material comprises silica gel, diatom, activated carbon and activated alumina.
3. The operating method of a home air conditioning system according to claim 1, wherein the regenerative heat exchanger (3) is a tube-fin heat exchanger, and a copper tube inlet thereof is connected to an outlet of the compressor (1) after passing through the first electric shutoff valve (2); after the adsorption material in the adsorption bed (12) is saturated, the air is heated in the regenerative heat exchanger (3) by utilizing the condensation waste heat of an air conditioner, and high-temperature air enters the adsorption bed (12), so that the heat required by the regeneration process of the adsorption material is provided and is used as purge gas to regenerate the adsorption material.
4. The operating method of a home air conditioning system according to claim 1, wherein the clean air duct (15) is installed on an indoor wall and communicates with the outside through an air duct.
5. The operating method of a home air conditioning system according to claim 1, wherein the air cleaning method and the adsorbent regeneration method are alternately performed according to a certain period, the air cleaning time and the adsorbent regeneration time are determined according to physical properties of specific materials, and a constant or an amount that changes in consideration of changes in material properties as the total operating time increases; the adsorption performance of the adsorption material is ensured by the cycle of adsorption and desorption of the material, the air purification function is realized, and the indoor air quality is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787073.3A CN107741051B (en) | 2017-09-04 | 2017-09-04 | Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787073.3A CN107741051B (en) | 2017-09-04 | 2017-09-04 | Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741051A CN107741051A (en) | 2018-02-27 |
| CN107741051B true CN107741051B (en) | 2019-12-31 |
Family
ID=61235175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710787073.3A Active CN107741051B (en) | 2017-09-04 | 2017-09-04 | Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741051B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114705B (en) * | 2018-09-11 | 2019-07-19 | 中筑科技股份有限公司 | A kind of Central air-conditioning unit with air purification function |
| CN112413806A (en) * | 2020-12-08 | 2021-02-26 | 清华大学 | Air purification device and air purification method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3573003B2 (en) * | 1999-07-13 | 2004-10-06 | 松下電器産業株式会社 | Separate type air conditioner |
| JP3709482B2 (en) * | 2004-03-31 | 2005-10-26 | ダイキン工業株式会社 | Air conditioning system |
| JP5542777B2 (en) * | 2011-10-27 | 2014-07-09 | 三菱電機株式会社 | Air conditioner |
| JP2013133959A (en) * | 2011-12-26 | 2013-07-08 | Panasonic Corp | Air conditioner |
| CN203949278U (en) * | 2014-01-27 | 2014-11-19 | 北京卡林新能源技术有限公司 | A kind of air cleaning media units and air cleaning unit |
| CN105371383B (en) * | 2015-12-08 | 2018-08-28 | 清华大学 | A kind of wall-mounted air purification device and its purification method based on hot recycling |
| CN105698363A (en) * | 2016-03-29 | 2016-06-22 | 上海帝广机电工程技术有限公司 | Efficient dehumidification and cold-supply air-conditioning device based on CO2 heat pump |
| CN106352422A (en) * | 2016-08-23 | 2017-01-25 | 江苏科技大学 | Wall-mounted air purifier with thermal regeneration function and purification method thereof |
-
2017
- 2017-09-04 CN CN201710787073.3A patent/CN107741051B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107741051A (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205860343U (en) | A kind of New-air purifying system | |
| CN111735114A (en) | Energy-saving purification device based on internal circulation, air conditioning system and control method of energy-saving purification device | |
| CN102553403A (en) | Adsorption drying machine | |
| CN203824009U (en) | Fresh air ventilator capable of recycling condensation heat | |
| KR101667979B1 (en) | Air conditioner with dehumidification and humidification function and method of dehumidified cooling and humidified heating using the same | |
| CN107816752B (en) | Dehumidifying and purifying composite fresh and return air treatment device | |
| CN206724409U (en) | A kind of ceiling mounting type frost-free type New-air purifying system of the micro- electrostatic precipitation of band | |
| CN107741051B (en) | Household air conditioning system capable of removing indoor VOCs and formaldehyde and operation method | |
| CN102553402A (en) | Adsorption drying machine | |
| CN105444307A (en) | Adsorption-catalysis-enhanced air purifier based on heat pump dehumidification | |
| CN105387584A (en) | Multifunctional household fresh air purification treatment machine with air exhausting and heat recycling functions | |
| CN205137723U (en) | Comfortable new trend purification all -in -one | |
| CN1312445C (en) | Ultrasound wave intensifying regenerating dehumidifying air conditioner | |
| CN203286658U (en) | Cabinet air conditioner | |
| CN202460431U (en) | Adsorption drying machine | |
| CN201255472Y (en) | Energy accumulation type air conditioning dehumidification system | |
| CN103727606A (en) | Rotary wheel dehumidification system with vortex tube for performing cooling and regenerating and air processing method for rotary wheel dehumidification system | |
| CN103512093A (en) | Air-conditioning unit with independent dehumidification function for ultralow-energy-consumption house | |
| CN213273068U (en) | Multifunctional purification unit for infectious ward | |
| CN202427328U (en) | Absorption dryer | |
| CN107631389B (en) | Based on the regenerated air cleaning system of air-conditioning condensation heat recovery and its operation method | |
| CN109059146B (en) | Air-purifying circulation heat pump system adopting adsorption type rotating wheel | |
| JP5101070B2 (en) | Air conditioner and filter regeneration control method for air conditioner | |
| CN208431887U (en) | A kind of new and effective air purifier | |
| CN108317646B (en) | Air purification device based on air source heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |