CN106801969B - Energy-conserving new trend system - Google Patents
Energy-conserving new trend system Download PDFInfo
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- CN106801969B CN106801969B CN201710176610.0A CN201710176610A CN106801969B CN 106801969 B CN106801969 B CN 106801969B CN 201710176610 A CN201710176610 A CN 201710176610A CN 106801969 B CN106801969 B CN 106801969B
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- 238000011084 recovery Methods 0.000 claims abstract description 139
- 238000001704 evaporation Methods 0.000 claims abstract description 67
- 238000009833 condensation Methods 0.000 claims abstract description 59
- 230000005494 condensation Effects 0.000 claims abstract description 59
- 230000008020 evaporation Effects 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007921 spray Substances 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 239000002912 waste gas Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 230000009290 primary effect Effects 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims description 114
- 239000003507 refrigerant Substances 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 24
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 23
- 238000005507 spraying Methods 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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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
- F24F8/117—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 wet filtering
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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
- F24F8/158—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
Abstract
The invention relates to an energy-saving fresh air system, which comprises a fan inlet unit, an exhaust unit and an external unit; the fresh air fan section, the air inlet primary effect filtering section, the first circulation recovery section, the evaporation section, the second circulation recovery section, the surface cooling section, the auxiliary heating section, the condensation heat recovery section, the air inlet intermediate effect filtering section and the auxiliary humidification section are sequentially arranged from the fresh air inlet end to the fresh air outlet end of the air inlet fan unit; the exhaust unit is provided with an exhaust primary filter section and a washing spray section in sequence from an exhaust inlet end to an exhaust outlet end; adding a first circulation recovery section before the evaporation section, adding a second circulation recovery section after the evaporation section, and adding a third circulation recovery section after the water washing spray section; the problem of energy waste in a fresh air system adopting the compressor principle in the prior art is solved by utilizing the temperature difference between waste gas in an exhaust unit and fresh air in an air inlet unit and adopting the coil circulation principle.
Description
Technical Field
The invention relates to the field of air treatment, in particular to an energy-saving fresh air system.
Background
Air conditioning systems are intended to provide a controlled, comfortable and healthy air environment for the room of a person or to provide specific air environment conditions for warehousing, processing, equipment operation, etc. activities. The main controls of air conditioning include air quality, air temperature, air humidity, and wind speed, among others.
The method for controlling the air quality is self-affirmed and effective by utilizing the outdoor fresh air to replace or dilute the indoor air, namely sucking the outdoor fresh air and discharging the indoor waste gas, and for the fresh air system adopting the compressor principle, the problem of energy waste exists because the temperature difference between the waste gas in the exhaust fan set and the fresh air in the air inlet fan set cannot be effectively utilized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the energy-saving fresh air system utilizes the temperature difference between waste gas in an exhaust unit and fresh air in a fan inlet unit and adopts the principle of coil circulation to solve the problem of energy waste in the existing fresh air system adopting the principle of a compressor.
In order to solve the technical problems, the invention adopts the technical scheme that: an energy-saving fresh air system comprises an air inlet unit, an exhaust unit and an external unit;
the fresh air fan section, the air inlet primary effect filtering section, the first circulation recovery section, the evaporation section, the second circulation recovery section, the surface cooling section, the auxiliary heating section, the condensation heat recovery section, the air inlet intermediate effect filtering section and the auxiliary humidification section are sequentially arranged from the fresh air inlet end to the fresh air outlet end of the air inlet fan unit;
the exhaust unit is sequentially provided with an exhaust primary filter section, a washing spray section, a third circulation recovery section, an oxidation disinfection section, an active carbon filter section and an exhaust fan section from an exhaust inlet end to an exhaust outlet end;
the outdoor unit comprises a compressor, a refrigerant low-pressure section and a refrigerant high-pressure section, wherein the refrigerant low-pressure section is connected with the compressor and is provided with a refrigerant low-pressure interface, and the refrigerant high-pressure section is provided with a refrigerant high-pressure interface;
adding a first circulation recovery section before the evaporation section, adding a second circulation recovery section after the evaporation section, and adding a third circulation recovery section after the water washing spray section;
the first recycling section comprises a first recycling coil, the second recycling section comprises a second recycling coil, and the third recycling section comprises a third recycling coil; ethylene glycol liquid is filled in the first circulating recovery coil, the second circulating recovery coil and the third circulating recovery coil;
the first recycling coil inlet end is connected with the second recycling coil outlet end through a pipeline, the third recycling coil inlet end is connected with the first recycling coil outlet end through a pipeline, and the third recycling coil outlet end is connected with the second recycling coil inlet end through a pipeline.
The invention has the beneficial effects that: the invention relates to an energy-saving fresh air system, which is provided with a multi-effect circulating recovery coil pipe and comprises a first circulating recovery section arranged in front of an evaporation section, a second circulating recovery section arranged behind the evaporation section and a third circulating recovery section arranged behind a water washing spray section; the temperature difference between the waste gas in the exhaust unit and the fresh air unit is effectively utilized, so that the heat source of the exhaust section is fully utilized, and the energy is further saved;
drawings
FIG. 1 is a schematic structural diagram of an energy-saving fresh air device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an energy-saving fresh air device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an external unit of an energy-saving fresh air device according to an embodiment of the present invention;
FIG. 4 is a psychrometric chart of fresh air treatment by an energy-saving fresh air device according to an embodiment of the present invention;
description of reference numerals:
1. a fan inlet unit; 11. a fresh air fan section; 12. an air inlet primary effect filtering section; 13. a first recycle recovery section; 131. a first recycling coil; 14. an evaporation section; 141. an evaporating coil; 142. an electronic pressure reducing valve; 15. a second recycle recovery section; 151. a second recycle recovery coil; 16. a surface cooling section; 17. an auxiliary heating section; 18. a condensation heat recovery section; 181. a condensation heat recovery coil; 182. a condensation heat recovery straight pipe; 19. a medium-efficiency filtering section; 110. an auxiliary humidification stage; 111. a primary air return inlet; 112. a secondary air return inlet; 2. an exhaust fan unit; 21. an air exhaust primary effect filtering section; 22. washing the spraying section with water; 23. a third recycling section; 24. an oxidation disinfection section; 25. an activated carbon filtration section; 26. an exhaust fan section; 3. an outdoor unit; 31. a compressor; 32. a refrigerant high pressure interface; 33. a refrigerant low pressure interface.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the problem of energy waste in a fresh air system adopting the compressor principle in the prior art is solved by utilizing the temperature difference between waste gas in an exhaust unit and fresh air in an air inlet unit and adopting the coil circulation principle.
Referring to fig. 1 to 4, an energy-saving fresh air system includes a fan unit 1, an exhaust unit 2, and an external unit 3;
the fresh air fan section 11, the inlet air primary effect filtering section 12, the first circulation recovery section 13, the evaporation section 14, the second circulation recovery section 15, the surface cooling section 16, the auxiliary heating section 17, the condensation heat recovery section 18, the inlet air intermediate effect filtering section 19 and the auxiliary humidification section 110 are sequentially arranged from the fresh air inlet end to the fresh air outlet end of the air inlet fan set 1;
the exhaust unit 2 is sequentially provided with an exhaust primary filter section 21, a water washing spray section 22, a third circulation recovery section 23, an oxidation disinfection section 24, an active carbon filter section 25 and an exhaust fan section 26 from an exhaust inlet end to an exhaust outlet end;
the outdoor unit 3 comprises a compressor 31, a refrigerant low-pressure section and a refrigerant high-pressure section, wherein the refrigerant low-pressure section and the refrigerant high-pressure section are connected with the compressor 31, the refrigerant low-pressure section is provided with a refrigerant low-pressure interface 33, and the refrigerant high-pressure section is provided with a refrigerant high-pressure interface 32;
a first recycling section 13 is added before the evaporation section 14, a second recycling section 15 is added after the evaporation section 14, and a third recycling section 23 is added after the water washing spray section 22;
the first recycling section 13 comprises a first recycling coil 131, the second recycling section 15 comprises a second recycling coil 151, and the third recycling section 23 comprises a third recycling coil; the first circulation recovery coil 131, the second circulation recovery coil 151 and the third circulation recovery coil are filled with glycol liquid;
the inlet end of the first recycling coil 131 is connected with the outlet end of the second recycling coil 151 through a pipeline, the inlet end of the third recycling coil is connected with the outlet end of the first recycling coil 131 through a pipeline, and the outlet end of the third recycling coil is connected with the inlet end of the second recycling coil 151 through a pipeline.
The use of above-mentioned energy-conserving new trend system: outdoor high-humidity fresh air is sucked in through the fresh air fan section 11, and is filtered by the air inlet primary effect filtering section 12, then enters the first circulation recovery section 13 to exchange heat with the first circulation recovery section 13, and then passes through the evaporation section 14, because the inlet end of the evaporation coil 141 is connected with the outlet end of the condensation heat recovery coil 181, when the high-pressure refrigerant in the condensation heat recovery coil 181 enters the evaporation coil 141, the high-pressure refrigerant is decompressed, evaporated and absorbed by a decompression device to reduce the temperature of the evaporation coil 141, moisture in the outdoor high-humidity fresh air is instantly condensed by contacting with the low-temperature evaporation coil 141, so that the effect of fresh air dehumidification is achieved, the fresh air continues to enter the second circulation recovery section 15 and the surface cooling section 16 to exchange heat, and then enters the auxiliary heating section 17 and the condensation heat recovery section 18 to heat the fresh air, the fresh air is heated, because the dehumidified air and the evaporation coil 141 exchange heat, the air temperature is lower than the indoor required temperature, the fresh air needs to be heated to the appropriate temperature and then enters the indoor, the condensation heat recovery coil 181, the high-pressure refrigerant compressed by the compressor 31, and the high-temperature refrigerant is further filtered by the indoor auxiliary heating section, and the high-temperature fresh air is filtered by the indoor temperature filtration section 110, and is further filtered by the indoor auxiliary heating section 110, and is further filtered by the indoor heat recovery section.
Indoor waste gas passes through the primary filter section 21 of airing exhaust of exhaust unit 2, carries out prefilter to waste gas, passes through washing spray section 22 again, gets rid of harmful substance such as amine, nitrogen in the waste gas, passes through oxidation disinfection section 24, active carbon filter section 25 further filters the back and passes through the fan section 26 of airing exhaust and discharge outdoors.
The energy-saving fresh air system has the beneficial effects that: the invention relates to an energy-saving fresh air system, which is provided with a multi-effect circulating recovery coil and comprises a first circulating recovery section 13 arranged in front of an evaporation section 14, a second circulating recovery section 15 arranged behind the evaporation section 14 and a third circulating recovery section 23 arranged behind a water washing spraying section 22; the temperature difference between the waste gas in the exhaust unit 2 and the fresh air unit is effectively utilized, so that the heat source of the exhaust section is fully utilized, and the energy is further saved;
in the energy-saving fresh air system, the inlet end of the first recycling coil 131 is arranged at the lower part of the first recycling section 13, and the outlet end of the first recycling coil 131 is arranged at the upper part of the first recycling section 13.
In the energy-saving fresh air system, the inlet end of the third recycling coil is arranged at the upper part in the third recycling section 23, and the outlet end of the third recycling coil is arranged at the lower part in the third recycling section 23.
In the energy-saving fresh air system, the inlet end of the second recycling coil 151 is arranged at the upper part in the second recycling section 15, and the outlet end of the second recycling coil 151 is arranged at the lower part in the second recycling section 15.
In the energy-saving fresh air system, the second recycling section 15 further comprises a second recycling straight pipe, the inlet end of the second recycling straight pipe is connected with the inlet end of the second recycling coil 151, and the outlet end of the second recycling coil 151 is connected with the outlet end of the second recycling straight pipe.
In the energy-saving fresh air system, a second electric three-way valve is arranged on the upper portion of the second circulation recovery section 15, the inlet end of the second electric three-way valve is connected with the outlet end of a third circulation recovery coil pipe through a pipeline, the first outlet end of the second electric three-way valve is connected with the inlet end of the circulation recovery coil pipe, and the second outlet end of the second electric three-way valve is connected with the inlet end of a second circulation recovery straight pipe. And a second electric three-way valve is arranged in the second circulation recovery section 15, and the second electric three-way valve controls whether the ethylene glycol liquid exchanges heat with fresh air in the section, so that the temperature of the fresh air can be adjusted according to different environments, and the energy-saving fresh air system is suitable for fresh air treatment in different environments.
In the energy-saving fresh air system, the second circulation recovery straight-going pipe is provided with a one-way valve.
In the energy-saving fresh air system, the third recycling section 23 further includes a glycol solution pump installed on the third recycling coil.
In the energy-saving fresh air system, a condensation heat recovery coil pipe 181 and a condensation heat recovery straight pipe 182 are installed in the condensation heat recovery section 18;
a first electric three-way valve is arranged at the lower part in the condensation heat recovery section 18, the inlet end of the first electric three-way valve is connected with the refrigerant high-pressure interface 32 through a pipeline, the first outlet end of the first electric three-way valve is connected with the inlet end of the condensation heat recovery coil 181, the second outlet end of the first electric three-way valve is connected with the inlet end of the condensation heat recovery straight pipe 182, and the outlet end of the condensation heat recovery coil 181 is connected with the inlet end of the condensation heat recovery straight pipe 182;
an evaporation coil 141 is installed in the evaporation section 14, the outlet end of the condensation heat recovery straight pipe 182 is connected with the inlet end of the evaporation coil 141 through a pipeline, a drying filter and an electronic pressure reducing valve 142 are arranged at the joint of the outlet end of the condensation heat recovery straight pipe 182 and the inlet end of the evaporation coil 141, and the outlet end of the evaporation coil 141 is connected with a refrigerant low-pressure interface 33 through a pipeline.
Introduce first electronic three-way valve in condensation heat recovery section 18, can be according to whether outdoor new trend need heat corresponding regulation first electronic three-way valve, when the new trend needs the heating through this section, get into condensation heat recovery coil pipe 181 and carry out the heat exchange with the new trend through first electronic three-way valve control high pressure refrigerant, when the new trend need not heat through this section, through first electronic three-way valve control high pressure refrigerant not pass through condensation heat recovery coil pipe 181 and directly discharge condensation heat recovery section 18 by condensation heat recovery straight-line pipe 182, make high pressure refrigerant not carry out the heat exchange with the new trend, make above-mentioned energy-conserving new trend system be applicable to the fresh air treatment under the different environment.
Among the above-mentioned energy-conserving new trend system, energy-conserving new trend system still includes automatic control system, automatic control system is including the central controller that is used for controlling each section body work, the compressor 31 frequency controller of connection central controller, humiture preset module and set up at the first temperature sensor and the first humidity transducer of new trend entrance point, install the second temperature sensor and the second humidity transducer at the entrance point of airing exhaust, install proportion motorised valve and humidification section on-off controller on the table cold coil pipe, compressor 31 frequency controller, first temperature sensor, first humidity transducer, second temperature sensor, second humidity transducer, first motorised valve, second motorised valve, proportion motorised valve and humidification section on-off controller connect central controller respectively, predetermine the temperature and humidity in the room through humiture preset module, and central controller is according to predetermined temperature value and humidity value to and the humiture value that first temperature sensor, first humidity transducer, second temperature sensor, second humidity transducer read, the working condition of each section body is adjusted automatically.
Because the temperature and the humidity of outdoor fresh air in different regions and different seasons have great difference, the central controller can compare the temperature and the humidity of the fresh air monitored by the first temperature sensor and the first humidity sensor with preset values through presetting indoor required temperature, and intelligently adjust the frequency of the valve of each segment and the compressor 31 of the outdoor unit 3, thereby intelligently controlling the indoor temperature and the indoor humidity, and controlling the temperature and the humidity stability of inlet air on the basis of energy saving, so that the error between the temperature and the preset value of the inlet air is less than 0.5-1 ℃.
Example 1
Referring to fig. 1 to 4, an energy-saving fresh air system includes an external unit 3, an air inlet unit 1 and an air outlet unit 2;
the air inlet fan unit 1 has the following structure and functions:
the fresh air fan section 11, the air inlet primary effect filtering section 12, the first circulation recovery section 13, the evaporation section 14, the second circulation recovery section 15, the surface cooling section 16, the auxiliary heating section 17, the condensation heat recovery section 18, the air inlet intermediate effect filtering section 19 and the auxiliary humidification section 110 are sequentially arranged from the fresh air inlet end to the fresh air outlet end of the air inlet fan unit 1;
the fresh air fan section 11 is used for sucking outside fresh air into the air inlet fan group 1;
the air inlet primary filter section 12 is used for carrying out primary filtration on fresh air;
the surface cooling section 16 is connected with a central air conditioning system and is used for adjusting the temperature of fresh air;
the first circulation recovery section 13, the second circulation recovery section 15 and the third circulation recovery section 23 are communicated with each other and are used for recycling heat in the exhaust fan set 2 and the air inlet fan set 1;
the evaporation section 14 is used for cooling and dehumidifying fresh air, and the condensation heat recovery section 18 and the auxiliary heating section 17 are used for heating the fresh air; the intake air middle-effect filtering section 19 is used for further filtering fresh air; the humidifying section is used for adjusting the humidity of fresh air.
The exhaust fan set 2 has the following structure and functions:
the exhaust fan set 2 is sequentially provided with an exhaust primary filter section 21, a water washing spray section 22, a third circulation recovery section 23, an oxidation disinfection section 24, an active carbon filter section 25 and an exhaust fan section 26 from an exhaust inlet end to an exhaust outlet end;
the primary exhaust filtering section 21 and the water washing spraying section 22 are used for removing harmful substances such as amine and nitrogen contained in the waste gas; the oxidation disinfection section 24, the activated carbon filtering section 25 and the exhaust fan section 26 are used for purifying waste gas.
The outer unit 3 has the following structure and functions:
the outdoor unit 3 comprises a compressor 31, a refrigerant low-pressure section and a refrigerant high-pressure section, wherein the refrigerant low-pressure section and the refrigerant high-pressure section are connected with the compressor 31, the refrigerant low-pressure section is provided with a refrigerant low-pressure interface 33, and the refrigerant high-pressure section is provided with a refrigerant high-pressure interface 32;
1. the concrete structure of the energy-saving fresh air system is explained as follows:
a condensation heat recovery coil 181 and a condensation heat recovery straight pipe 182 are arranged in the condensation heat recovery section 18;
the inlet end of the condensation heat recovery coil 181 is arranged at the lower part of the condensation heat recovery section 18, the outlet end of the condensation heat recovery coil 181 is arranged at the lower part of the condensation heat recovery section 18, the lower part of the condensation heat recovery section 18 is provided with a first electric three-way valve, the inlet end of the first electric three-way valve is connected with the refrigerant high-pressure interface 32 through a pipeline, the first outlet end of the first electric three-way valve is connected with the inlet end of the condensation heat recovery coil 181, the second outlet end of the first electric three-way valve is connected with the inlet end of the condensation heat recovery straight pipe 182, the outlet end of the condensation heat recovery coil 181 is connected with the inlet end of the condensation heat recovery straight pipe 182, and the outlet end of the condensation heat recovery coil 181 is provided with a one-way two-way valve;
install evaporating coil 141 in the evaporation zone 14, evaporating coil 141 entrance point sets up the upper portion in evaporation zone 14, evaporating coil 141 exit end sets up the lower part in evaporation zone 14, the straight tubulation 182 exit end of condensation heat recovery passes through pipe connection evaporating coil 141 entrance point, the junction of the straight tubulation 182 exit end of condensation heat recovery and evaporating coil 141 entrance point is equipped with dry filter and electronic pressure reducing valve 142, evaporating coil 141 exit end passes through pipe connection refrigerant low pressure interface 33.
The first recycling section 13 comprises a first recycling coil 131, the second recycling section 15 comprises a second recycling coil 151 and a second recycling straight pipe, and the third recycling section 23 comprises a third recycling coil; the interior of the first circulation recovery coil 131, the second circulation recovery coil 151, the second circulation recovery straight pipe and the third circulation recovery coil are filled with glycol liquid; and the third circulating recovery coil pipe is provided with an ethylene glycol solution pump.
The inlet end of the second recycling coil 151 is arranged at the upper part in the second recycling section 15, the outlet end of the second recycling coil 151 is arranged at the lower part in the second recycling section 15, the inlet end of the second recycling straight pipe is arranged at the upper part in the second recycling section 15, and the outlet end of the second recycling straight pipe is connected with the outlet end of the second recycling coil 151; the outlet end of the second recycling coil 151 is provided with a one-way valve, the upper part in the second recycling section 15 is provided with a second electric three-way valve, the inlet end of the second electric three-way valve is connected with the outlet end of a third recycling coil through a pipeline, the first outlet end of the second electric three-way valve is connected with the inlet end of the second recycling coil 151, and the second outlet end of the second electric three-way valve is connected with the inlet end of a second recycling straight pipe;
the inlet end of the first recycling coil 131 is arranged at the lower part in the first recycling section 13, and the inlet end of the first recycling coil 131 is connected with the outlet end of the second recycling coil 151 through a pipeline; the outlet end of the first recycling coil 131 is arranged at the upper part in the first recycling section 13;
the outlet end of the third recycling coil is arranged at the lower part in the third recycling section 23, and the inlet end of the third recycling coil is connected with the outlet end of the first recycling coil 131 through a pipeline;
the surface cooling section 16 comprises a surface cooling coil arranged in the surface cooling section 16, and the surface cooling coil is connected to the central air-conditioning system and plays a role in adjusting the temperature of fresh air;
the installation height of the air inlet unit 1 is lower than that of the exhaust unit 2; the fresh air outlet end of the air inlet unit 1 is connected with the upper part of a room through a pipeline, the upper part of the room is connected with the fresh air outlet and provided with a high-efficiency filter, and the air exhaust inlet end of the exhaust unit 2 is connected with the lower part of the room through a pipeline.
The automatic control system comprises a central controller for controlling the work of each section body, a compressor 31 frequency controller connected with the central controller, a temperature and humidity preset module, a first temperature sensor and a first humidity sensor arranged at a fresh air inlet end, a second temperature sensor and a second humidity sensor arranged at an exhaust air inlet end, and a proportion electric valve and a humidification section switch controller arranged on a surface cooling coil, wherein the compressor 31 frequency controller, the first temperature sensor, the first humidity sensor, the second temperature sensor, the second humidity sensor, the first electric three-way valve, the second electric three-way valve, the spraying section electric three-way valve, an outer machine 3 electric three-way valve, the proportion electric valve and the humidification section switch controller are respectively connected with the central controller, the temperature and the humidity in a room are preset through the temperature and humidity preset module, and the working state of each section body is automatically adjusted according to the temperature and humidity values read by the first temperature sensor, the first humidity sensor, the second temperature sensor and the second humidity sensor.
2. The energy-saving fresh air system is used in different fresh air environments:
because the temperature and the humidity of outdoor fresh air in different areas and different seasons are greatly different, the central controller can compare the fresh air temperature and humidity monitored by the first temperature sensor and the first humidity sensor with preset values through presetting the indoor required temperature, and intelligently adjust the frequency of the valve of each segment and the compressor 31 of the outdoor unit 3;
1) Taking low-temperature and low-humidity outdoor fresh air in winter as an example:
if the temperature and humidity of the outdoor fresh air are lower than preset values, the central controller controls the compressor 31 of the outer unit 3 to be turned off, so that the evaporation section 14 does not work; because the surface cooling coil in the surface cooling section 16 is connected with the central air conditioning system, the central air conditioning system heats the fresh air by combining the heating of the surface cooling section 16 with other heating modes such as electric heating in the auxiliary heating section 17, the central controller correspondingly controls the first electric three-way valve, the second electric three-way valve and the proportional electric valve to control the heat exchange efficiency to reach the preset temperature, and controls the humidifying section to humidify the fresh air by the central controller to reach the proper humidity;
2) Taking outdoor fresh air with high temperature and high humidity in summer as an example:
the temperature and humidity of outdoor fresh air are lower than a preset value, so that the central controller adjusts the frequency of the compressor 31 of the outdoor unit 3 according to the difference between the temperature and the preset value monitored by the temperature sensor and the humidity sensor arranged in the fresh air section, the fresh air is dehumidified through the evaporation section 14, the temperature of the fresh air is greatly reduced, the central controller correspondingly controls the first electric three-way valve, the second electric three-way valve and the proportional electric valve to control the heat exchange efficiency, the appropriate temperature is reached, the central controller controls the humidification section to be closed at the moment, and the fresh air does not need to be humidified.
3) Taking the case of outdoor fresh air temperature of 36 ℃ as an example:
assuming that the temperature monitored by the first temperature sensor is 36 ℃ and the temperature detected by the second temperature sensor is 23-25 ℃, at this time, the central controller controls the first outlet end of the first electric three-way valve to be opened and controls the second outlet end of the first electric three-way valve to be closed, so that the condensation heat recovery coil 181 is connected with the refrigerant high-pressure interface 32, the central controller controls the first outlet end of the second electric three-way valve to be opened and controls the second outlet end of the second electric three-way valve to be closed, so that the ethylene glycol in the second circulation recovery coil 151 enters a circulation flow state; at the moment, the fresh air enters the first circulating recovery section 13 after being filtered by the primary filter of the air inlet primary filtering section 12, the temperature of the fresh air is reduced to 26 ℃ through heat exchange with the first circulating recovery coil pipe 131, the temperature of the inlet end of the first circulating recovery coil pipe 131 is 17-23 ℃, and the temperature of the outlet end of the first circulating recovery coil pipe 131 is 24-28 ℃ after heat exchange;
the fresh air passing through the first recycling section 13 flows through the evaporation section 14, the high-pressure refrigerant passing through the condensation heat recycling section 18 in the section is decompressed through the electronic decompression valve 142 before entering the evaporation coil 141, evaporation and heat absorption are carried out, so that when the fresh air passes through the section, moisture in the fresh air is condensed on the outer wall of the evaporation coil 141, the purpose of fresh air dehumidification is achieved, the condensed water flows to a reservoir at the bottom of the evaporation section 14 along the coil, and the temperature of the fresh air after being dehumidified by the evaporation section 14 is reduced to 12 ℃;
the fresh air dehumidified by the evaporation section 14 continuously flows through the second circulation recovery section 15, the temperature of the inlet end of the second circulation recovery coil 151 is 21-23 ℃, the temperature of the outlet end of the second circulation recovery coil 151 is reduced to 17-21 ℃ after heat exchange, and the temperature of the fresh air is raised to 17 ℃ after passing through the section;
the fresh air passing through the second circulation recovery section 15 continuously flows to the surface cooling section 16, the surface cooling section 16 controls the proportional electric valve through the central controller to control the temperature of the surface cooling section 16, and therefore heat exchange is carried out between the fresh air and the corresponding fresh air to achieve the proper fresh air temperature;
the fresh air after passing through the surface cooling section 16 continuously flows through the auxiliary heating section 17 and the condensation heat recovery section 18, the high-pressure refrigerant compressed by the compressor 31 is connected into the condensation heat recovery coil 181, the refrigerant is compressed to release heat and has a high temperature, the fresh air enters the condensation heat recovery coil 181 to exchange heat with the fresh air at the section, the dehumidified supercooled fresh air is heated to reach the proper temperature of a room, the auxiliary heating section 17 performs auxiliary heating on the fresh air by adopting an electric heating or other heating mode to meet the temperature requirement of part of the room, and the temperature of the fresh air is further controlled;
the heated fresh air continuously flows through the air inlet middle-effect filtering section 19 and other sections and then enters the room;
waste gas exhausted from a room enters an exhaust fan unit 2 and sequentially passes through a primary filtering section and a washing spraying section 22, and the temperature of the waste gas after passing through the washing spraying section 22 is assumed to be 18-21 ℃;
the waste gas after passing through the water washing spray section 22 continuously flows through a third circulating recovery section 23, the temperature of the waste gas after heat exchange with a third circulating recovery coil pipe is increased to 25-29 ℃, the temperature of the inlet end of the third circulating recovery coil pipe in the section is 24-28 ℃, and the temperature of the outlet end of the third circulating recovery coil pipe is 21-23 ℃;
the waste gas after passing through the third recycling coil pipe is discharged to the outside after continuously passing through other sections such as the oxidation and disinfection section 24, the active carbon filtering section 25 and the like.
Example 2
On the basis of embodiment 1, a reservoir is arranged at the bottom of an evaporation section 14, a spray section electric three-way valve is arranged at the water inlet end of a washing spray section 22, the spray section electric three-way valve is connected with a central controller, the first inlet end of the spray section electric three-way valve is connected with a tap water source, the second inlet end of the spray section electric three-way valve is connected with the reservoir at the bottom of the evaporation section 14 through a pipeline, the outlet end of the spray section electric three-way valve is connected with a spray pipe, the spray pipe is provided with a washing spray pump, the reservoir is provided with a liquid level sensor, the liquid level sensor comprises a high-water level liquid level sensor and a low-water level liquid level sensor, the liquid level sensor is connected with the central controller, and a valve controlled by the central controller is arranged at the connection part of the bottom of the reservoir and the pipeline;
when the water level in the water storage tank is lower than the high water level liquid level sensor, the central controller controls the valve to be opened, meanwhile, the central controller controls the first inlet end of the spraying section electric three-way valve to be closed, and the second inlet end of the spraying section electric three-way valve to be opened, so that the water storage tank and the spraying pipe are communicated, water is supplied to the spraying pipe from the water storage tank, and condensed water collected by the evaporation section 14 is effectively utilized; when the water level in the reservoir is lower than the low water level liquid level sensor, the central controller controls the valve to be closed, and simultaneously, the central controller controls the second inlet end of the spray section electric three-way valve to be closed and opens the first inlet end of the spray section electric three-way valve, so that water is supplied to the spray pipe through the tap water pipe, the automation of water supply of the washing spray section 22 and condensate water treatment of the evaporation section 14 is realized, the problem of condensate water treatment of the evaporation section 14 is solved, and a water source required by washing spray is saved.
Example 3
The energy-saving fresh air system according to embodiment 1, the refrigerant high-pressure section is a refrigerant high-pressure coil pipe wound inside a side wall of the outdoor unit 3, the refrigerant high-pressure coil pipe is cooled by a cooling fan installed inside the outdoor unit 3, the outdoor unit 3 further comprises a cooling spray pipe arranged on the upper portion of the refrigerant high-pressure coil pipe, an outdoor unit 3 electric three-way valve is arranged at a water inlet end of the cooling spray pipe, the outdoor unit 3 electric three-way valve is connected with a central controller, a first inlet end of the outdoor unit 3 electric three-way valve is connected with a tap water source, a second inlet end of the outdoor unit 3 electric three-way valve is connected with a reservoir at the bottom of the evaporation section 14 through a pipeline, an outlet end of the outdoor unit 3 electric three-way valve is connected with the cooling spray pipe, the cooling spray pipe is provided with a cooling spray pump, the reservoir is provided with a liquid level sensor, the liquid level sensor comprises a high-level liquid level sensor and a low-level liquid sensor, the liquid level sensor is connected with the central controller, and a valve controlled by the central controller is arranged at a connection position of the bottom of the reservoir and the pipeline;
when the water level in the water storage tank is lower than the high water level liquid level sensor, the central controller controls the valve to be opened, meanwhile, the central controller controls the first inlet end of the electric three-way valve of the outer machine 3 to be closed, the second inlet end of the electric three-way valve of the outer machine 3 is opened, so that the water storage tank and the cooling spray pipe are communicated, water is supplied to the cooling spray pipe from the water storage tank, and condensed water collected by the evaporation section 14 is effectively utilized; when the water level in the reservoir is lower than the low water level liquid level sensor, the central controller controls the valve to be closed, meanwhile, the central controller controls the second inlet end of the electric three-way valve of the outer unit 3 to be closed, and the first inlet end of the electric three-way valve of the outer unit 3 is opened, so that water is supplied to the cooling spray pipe through the tap water pipe, the automation of water supply of the cooling spray pipe of the outer unit 3 and condensate water treatment of the evaporation section 14 is realized, the problem of condensate water treatment of the evaporation section 14 is solved, and a water source required by water cooling of the outer unit 3 is saved.
Example 4
According to the energy-saving fresh air system in the embodiment 1, a primary air return opening 111 is additionally arranged behind the evaporation section 14, and a secondary air return opening 112 is additionally arranged behind the condensation heat recovery section 18; correspondingly, a secondary air return system is additionally arranged at the rear section of the exhaust fan section 26, the secondary air return system comprises an air return pipe connected behind the exhaust fan section 26, the air return pipe comprises an air return main pipe, a primary exhaust pipe and a secondary air return pipe, the primary exhaust pipe and the secondary air return pipe are branched from the air return main pipe, the primary air return pipe is connected with a primary air return port 111, and the secondary air return pipe is connected with a secondary air return port 112; the shunting positions of the primary air return pipe, the secondary air return pipe and the air return main pipe are provided with shunting valves, the air flow shunted by the primary air return pipe is 30% of the air flow of the air return main pipe, and the air flow shunted by the secondary air return pipe is 70% of the air flow of the air return main pipe;
the bottom in the washing spray segment 22 is equipped with circulation tank, circulation tank arranges along waste gas entering direction and is connected with a plurality of shower, the shower extends to the upper portion in the washing spray segment 22, the shower is connected with spray pump, be equipped with a plurality of atomizer on the shower.
A medicine storage box is further arranged in the washing spraying section 22, acidic solution is filled in the medicine storage box, the medicine storage box is connected with a circulating water tank through a feeding pipe, a water stop valve is arranged on the feeding pipe, and an acidity controller used for controlling the water stop valve to be opened or closed is arranged in the circulating water tank.
Because the indoor humiture reaches predetermined suitable degree, the humiture through exhaust fan set 2 exhaust waste gas is closer with indoor suitable humiture, through secondary return air, effectively utilize indoor humiture, reduce the admission capacity of outdoor new trend, or realize the circulation of indoor air, reduce because the humiture of outdoor new trend and the energy waste that leads to of predetermineeing the difference of humiture, improve exhaust fan set 2 correspondingly, through the improvement of washing shower section 22 fully get rid of harmful substance such as amine in the waste gas, nitrogen, in order to reach the requirement that the return air utilized.
In summary, the energy-saving fresh air system provided by the invention is provided with the multiple-effect circulating recovery coil, and comprises a first circulating recovery section arranged in front of the evaporation section, a second circulating recovery section arranged behind the evaporation section, and a third circulating recovery section arranged behind the water washing spray section; the temperature difference between the exhaust gas in the exhaust unit and the fresh air unit is effectively utilized, so that the heat source of the exhaust section is fully utilized, and the energy is further saved. Because the temperature and the humidity of outdoor fresh air in different regions and different seasons have great difference, the central controller can compare the fresh air temperature and humidity monitored by the first temperature sensor and the first humidity sensor with preset values through presetting indoor required temperature, and intelligently adjust the frequency of valves of each segment and an outer compressor, thereby intelligently controlling the indoor temperature and humidity, and controlling the temperature and humidity stability of inlet air on the basis of energy conservation, so that the error between the inlet air temperature and the preset values is less than 0.5-1 ℃.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. An energy-saving fresh air system is characterized by comprising an air inlet fan unit, an exhaust fan unit and an external unit;
the fresh air fan section, the air inlet primary effect filtering section, the first circulation recovery section, the evaporation section, the second circulation recovery section, the surface cooling section, the auxiliary heating section, the condensation heat recovery section, the air inlet intermediate effect filtering section and the auxiliary humidification section are sequentially arranged from the fresh air inlet end to the fresh air outlet end of the air inlet fan unit;
the exhaust unit is sequentially provided with an exhaust primary-effect filtering section, a washing spraying section, a third circulation recovery section, an oxidation disinfection section, an active carbon filtering section and an exhaust fan section from an exhaust inlet end to an exhaust outlet end;
the outdoor unit comprises a compressor, a refrigerant low-pressure section and a refrigerant high-pressure section, wherein the refrigerant low-pressure section is connected with the compressor and is provided with a refrigerant low-pressure interface, and the refrigerant high-pressure section is provided with a refrigerant high-pressure interface;
the first recycling section comprises a first recycling coil, the second recycling section comprises a second recycling coil, and the third recycling section comprises a third recycling coil; ethylene glycol liquid is filled in the first circulating recovery coil, the second circulating recovery coil and the third circulating recovery coil;
the inlet end of the first circulating recovery coil is connected with the outlet end of the second circulating recovery coil through a pipeline, the inlet end of the third circulating recovery coil is connected with the outlet end of the first circulating recovery coil through a pipeline, and the outlet end of the third circulating recovery coil is connected with the inlet end of the second circulating recovery coil through a pipeline;
the method comprises the following steps that a reservoir is arranged at the bottom of an evaporation section, a spray section electric three-way valve is arranged at the water inlet end of a washing spray section, the spray section electric three-way valve is connected with a central controller, a first inlet end of the spray section electric three-way valve is connected with a tap water source, a second inlet end of the spray section electric three-way valve is connected with the reservoir at the bottom of the evaporation section through a pipeline, an outlet end of the spray section electric three-way valve is connected with a spray pipe, the spray pipe is provided with a washing spray pump, the reservoir is provided with a liquid level sensor, the liquid level sensor comprises a high-water-level liquid level sensor and a low-water-level liquid level sensor, the liquid level sensor is connected with the central controller, and a valve controlled by the central controller is arranged at the joint of the bottom of the reservoir and the pipeline;
a primary air return port is additionally arranged behind the evaporation section, a secondary air return port is additionally arranged between the surface cooling section and the air feeder section, the secondary air return system comprises an air return pipe connected behind the air feeder section, the air return pipe comprises a main air return pipe, a primary exhaust pipe and a secondary air return pipe, the main air return pipe is branched from the main air return pipe, the primary air return pipe is connected with the primary air return port, and the secondary air return pipe is connected with the secondary air return port; the shunting positions of the primary air return pipe, the secondary air return pipe and the air return main pipe are provided with shunting valves, the air flow shunted by the primary air return pipe is 30% of the air flow of the air return main pipe, and the air flow shunted by the secondary air return pipe is 70% of the air flow of the air return main pipe;
the bottom in the washing spray segment is equipped with circulation tank, circulation tank arranges along waste gas entering direction and is connected with a plurality of showers, the shower extends to the upper portion in the washing spray segment, the shower is connected with spray pump, be equipped with a plurality of atomizer on the shower.
2. The energy saving fresh air system according to claim 1, wherein the inlet end of the first recycling coil is disposed at a lower portion of the first recycling section, and the outlet end of the first recycling coil is disposed at an upper portion of the first recycling section.
3. The energy-saving fresh air system as claimed in claim 1, wherein the inlet end of the third recycling coil is arranged at the upper part in the third recycling section, and the outlet end of the third recycling coil is arranged at the lower part in the third recycling section.
4. The energy saving fresh air system according to claim 1, wherein the inlet end of the second recycling coil is disposed at the upper part of the second recycling section, and the outlet end of the second recycling coil is disposed at the lower part of the second recycling section.
5. The energy-saving fresh air system according to claim 4, wherein the second recycling section further comprises a second recycling straight pipe, the inlet end of the second recycling straight pipe is connected with the inlet end of the second recycling coil, and the outlet end of the second recycling coil is connected with the outlet end of the second recycling straight pipe.
6. The energy-saving fresh air system as claimed in claim 5, wherein a second electric three-way valve is disposed at the upper part of the second recycling section, the inlet end of the second electric three-way valve is connected to the outlet end of the third recycling coil through a pipe, the first outlet end of the second electric three-way valve is connected to the inlet end of the recycling coil, and the second outlet end of the second electric three-way valve is connected to the inlet end of the second recycling straight pipe.
7. The energy-saving fresh air system as claimed in claim 1, wherein the second recycling straight-through pipe is provided with a one-way valve.
8. The energy-saving fresh air system according to claim 1, wherein the third recycling section further comprises a glycol solution pump installed on the third recycling coil.
9. The energy-saving fresh air system according to claim 1, wherein a condensation heat recovery coil and a condensation heat recovery straight pipe are installed in the condensation heat recovery section;
a first electric three-way valve is arranged at the lower part in the condensation heat recovery section, the inlet end of the first electric three-way valve is connected with a refrigerant high-pressure interface through a pipeline, the first outlet end of the first electric three-way valve is connected with the inlet end of a condensation heat recovery coil pipe, the second outlet end of the first electric three-way valve is connected with the inlet end of a condensation heat recovery straight pipe, and the outlet end of the condensation heat recovery coil pipe is connected with the inlet end of the condensation heat recovery straight pipe;
install evaporating coil in the evaporation zone, the straight travelling pipe exit end of condensation heat recovery passes through the pipe connection evaporating coil entrance point, the junction of the straight travelling pipe exit end of condensation heat recovery and evaporating coil entrance point is equipped with drier-filter and electronic pressure reducing valve, the evaporating coil exit end passes through pipe connection refrigerant low pressure interface.
10. The energy-saving fresh air system according to claim 9, wherein the energy-saving fresh air system further comprises an automatic control system;
the automatic control system comprises a central controller for controlling the work of each section of body, a compressor frequency controller connected with the central controller, a temperature and humidity preset module, a first temperature sensor and a first humidity sensor which are arranged at a fresh air inlet end, a second temperature sensor and a second humidity sensor which are arranged at an exhaust air inlet end, a proportional electric valve and a humidifying section switch controller which are arranged on the surface cooling coil;
the compressor frequency controller, the first temperature sensor, the first humidity sensor, the second temperature sensor, the second humidity sensor, the first electric three-way valve, the second electric three-way valve, the proportional electric valve and the humidifying section switch controller are respectively connected with the central controller;
the temperature and the humidity in a room are preset through a temperature and humidity presetting module, and the central controller automatically adjusts the working state of each segment according to a preset temperature value and a preset humidity value and the temperature and humidity values read by the first temperature sensor, the first humidity sensor, the second temperature sensor and the second humidity sensor.
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| CN110274339A (en) * | 2019-06-27 | 2019-09-24 | 安徽逸天科技有限公司 | A method of it solving fresh air pipeline and humidifies condensate |
| CN114909749B (en) * | 2022-04-29 | 2023-03-31 | 南方环境有限公司 | Movable type closed space environment control device |
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Effective date of registration: 20240410 Address after: Room 1, 2, 3, and 4, 5th floor, and Room 5, 3rd floor, East, Building 1, Fujian Torch High tech Entrepreneurship Park, 611 Industrial Road, Gulou District, Fuzhou City, Fujian Province, 350001 Patentee after: Zhongjing Pengfei New Energy Technology Co.,Ltd. Country or region after: China Address before: 350000, 2nd Floor, Building 3, Zhonghang New Village, No. 10 Lane 35 Yingji Road, Gudong Street, Gulou District, Fuzhou City, Fujian Province Patentee before: China Energy Green Construction Co.,Ltd. Country or region before: China |