CN112443905A - Energy-saving air conditioning unit with rotating wheel dehumidification function - Google Patents

Energy-saving air conditioning unit with rotating wheel dehumidification function Download PDF

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Publication number
CN112443905A
CN112443905A CN202011454352.6A CN202011454352A CN112443905A CN 112443905 A CN112443905 A CN 112443905A CN 202011454352 A CN202011454352 A CN 202011454352A CN 112443905 A CN112443905 A CN 112443905A
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section
air
dehumidification
refrigerated water
regeneration
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CN202011454352.6A
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Chinese (zh)
Inventor
毛海军
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Elko Construction Engineering Jiangsu Co ltd
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Elko Construction Engineering Jiangsu Co ltd
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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
    • F24F3/06—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 arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • 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
    • 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
    • F24F3/1411—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 by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1429—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 by absorbing or adsorbing water, e.g. using an hygroscopic desiccant alternatively operating a heat exchanger in an absorbing/adsorbing mode and a heat exchanger in a regeneration mode
    • 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
    • F24F2003/144—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 by dehumidification only
    • 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
    • F24F2003/1458—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 using regenerators
    • F24F2003/1464—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 using regenerators using rotating regenerators

Abstract

In order to solve the problems that the production environment of lithium batteries requires that the dryness of the workshop environment needs to meet the requirement of the dew point temperature of 50 ℃ below zero and the requirement of the ultralow dew point environment is met, the invention provides an energy-saving air conditioning unit with a rotating wheel for dehumidification, fresh air is subjected to primary surface cooling dehumidification, is subjected to primary rotating wheel dehumidification, is mixed with return air and then is subjected to secondary surface cooling, then part of supplied regenerated air for secondary rotating wheel dehumidification is extracted, water vapor adsorbed by the rotating wheel is effectively taken away by the regenerated air, and the dryness of the regenerated air after the water is adsorbed by the secondary rotating wheel is still far lower than that of common outdoor air, so that the regenerated air passing through the secondary rotating wheel can pass through the primary rotating wheel and take away the water adsorbed by the primary rotating wheel, the air conditioning unit simultaneously meets the requirements of the high dew point production environment and the ultralow dew point production environment, provides different dehumidification, the problem of drying and dehumidifying of the regenerated air is synchronously solved.

Description

Energy-saving air conditioning unit with rotating wheel dehumidification function
Technical Field
The invention relates to the technical field of air conditioners, in particular to an energy-saving air conditioning unit with a rotary wheel for dehumidification.
Background
The common methods for removing moisture in humid air in the existing air conditioner are as follows: cooling dehumidification, liquid absorbent dehumidification, solid adsorbent dehumidification, rotating wheel dehumidification, membrane dehumidification, and the like; the air conditioning unit with the rotary wheel dehumidification function can enable indoor temperature and humidity to reach high control precision, but the existing air conditioning unit with the rotary wheel dehumidification function is unreasonable in design and low in energy utilization rate.
The common outdoor air is used as the regeneration air for dehumidification of the common rotating wheel, and because the dew point temperature of a plurality of environments is-50 ℃, the common outdoor air can not effectively take away the moisture adsorbed on the rotating wheel, and the moisture on the rotating wheel can be effectively taken away only by relatively drier air, so that how to obtain the drier air becomes the problem to be solved at present.
Disclosure of Invention
In view of the above, in order to solve the problems that the production environment of lithium batteries requires that the dryness of the workshop environment needs to meet the requirement of the dew point temperature of-50 ℃ and the requirement of the ultralow dew point environment is met, the invention provides an energy-saving air conditioning unit with rotating wheel dehumidification, fresh air is dehumidified by primary surface cooling, is dehumidified by a primary rotating wheel, is mixed with return air and then is cooled by secondary surface cooling, then part of the supplied regenerated air for secondary rotating wheel dehumidification is extracted, water vapor adsorbed by the rotating wheel is effectively taken away by the regenerated air, the dryness of the regenerated air after the moisture is adsorbed by the secondary rotating wheel is still far lower than that of common outdoor air, so that the regenerated air passing through the secondary rotating wheel passes through the primary rotating wheel and takes away the moisture adsorbed by the primary rotating wheel, the air conditioning unit meets the requirements of the high dew point and ultralow dew point production environments simultaneously and provides, thereby saving energy and synchronously solving the drying and dehumidifying problems of the regenerated wind.
The utility model provides an energy-conserving air conditioning unit who takes runner dehumidification, includes from left to right in proper order new trend section 1, preceding table cold section 4, one-level runner dehumidification section 7, return air section 12, well table cold section 15, well effect filter segment 18, second grade runner dehumidification section 20, fan section 27, back heating section 29, back table cold section 30 and air supply section 33, one-level runner dehumidification section 7 has one-level processing district 8 and one-level regeneration zone 9, second grade runner dehumidification section 20 has second grade processing district 21 and second grade regeneration zone 22, its characterized in that: the air conditioning unit adopting the rotary wheel dehumidification technology comprises a first working condition and a second working condition, wherein in the first working condition, fresh air flow is divided into two parts after passing through a front surface cooling section 4, a primary rotary wheel dehumidification section 7 and a return air section 12, one part enters a room after passing through a primary treatment area 8, a middle surface cooling section 15, a middle effect filtering section 18, a secondary rotary wheel dehumidification section 20, a fan section 27, a rear heating section 29, a rear surface cooling section 30 and an air supply section 33, the other part is discharged outside the room after passing through a primary regeneration area 9, in the second working condition, fresh air flow is divided into two parts after passing through the front surface cooling section 4, the primary runner dehumidification section 7, the return air section 12, the middle surface cooling section 15, the middle effect filtering section 18 and the secondary runner dehumidification section 20, one part enters the room after passing through the secondary treatment section 21, the fan section 27, the rear heating section 29, the rear surface cooling section 30 and the air supply section 33, and the other part is conveyed to the primary regeneration section 9 through the secondary regeneration section 22 to dehumidify the primary regeneration section 9 and then is discharged out of the room.
Further, new trend section 1 is equipped with new trend entry 2 and primary filter 3, new trend air current passes through new trend entry 2 and gets into the air conditioning box, arrives preceding table cold section 4 after filtering through primary filter 3.
Further, preceding surface cooling section 4 includes first refrigerated water wet return 5 and first refrigerated water supply pipe 6, and well surface cooling section 15 includes second refrigerated water wet return 16 and second refrigerated water supply pipe 17, and back surface cooling section 30 includes third refrigerated water wet return 31 and third refrigerated water supply pipe 32, and the refrigerated water inlet temperature of first refrigerated water supply pipe 6, second refrigerated water supply pipe 17 and third refrigerated water supply pipe 32 is 7 ℃, and the refrigerated water leaving water temperature of first refrigerated water wet return 5, second refrigerated water wet return 16 and third refrigerated water wet return 31 is 12 ℃.
Furthermore, a vapor filter 35 is arranged on each of the first chilled water supply pipe 6, the second chilled water supply pipe 17 and the third chilled water supply pipe 32, an electric control valve 36 and an auxiliary branch 37 are arranged on each of the first chilled water return pipe 5, the second chilled water return pipe 16 and the third chilled water return pipe 31, two first manual valves 38 are arranged on the left and right of the electric control valve 36, the second manual valve 39 is located on the auxiliary branch 37, two ends of the auxiliary branch 37 surround the electric control valve 36 and the first manual valves 38, and when the electric control valve 36 fails, the first manual valve 38 is closed, the second manual valve 39 is opened for maintenance, and the normal operation of the air conditioning unit does not need to be stopped.
Further, one-level regeneration zone 9 includes first heating coil 10 and one-level runner regeneration position 11, one-level treatment zone 8 includes one-level runner treatment position, return air section 12 is equipped with return air inlet 13, return air inlet 13 connects the return air duct, be equipped with air regulation valve 14 on the return air duct, divide into two strands after the fresh air current after the one-level runner treatment position dehumidification treatment mixes with the return air current, one strand lets in first heating coil 10 and heats after entering one-level runner regeneration position 11 and carry out the drying to one-level runner regeneration position 11 outdoor, another strand gets into middle cooling section 15 and carries out processing on next step.
Furthermore, the temperature of the fresh air flow before mixing is 23 ℃, the flow rate is 0.15g/kg, the temperature of the fresh air flow after mixing is 27 ℃, and the flow rate is 0.45g/kg, so that the heating energy consumption of the first heating coil 10 is reduced.
Further, the intermediate-efficiency filter section 18 is provided with an intermediate-efficiency filter 19.
Further, second grade regeneration zone 22 includes second heating coil 23, first fan 24 and second grade runner regeneration position 25, second grade treatment zone 21 includes second grade runner treatment position, the new trend air current that gets into well cold section 15 filters the back through well effect filter 19 of well effect fillter section 18, send to second grade runner treatment position dehumidification, new trend air current divide into two strands afterwards, one strand lets in second heating coil 23 and heats the back and gets into second grade runner regeneration position 25 and arrange to discharge one-level runner dehumidification section 7 through first fan 24 after regenerating position 25 carries out the drying to second grade runner, another strand of new trend air current gets into fan section 27 and carries out processing on next step.
Further, the secondary regeneration area 22 is communicated with the primary regeneration area 9 through a regeneration air pipe 26, and fresh air flow discharged by the first fan 24 is sent to the primary regeneration area 9 through the regeneration air pipe 26.
Furthermore, the fan section 27 is provided with a second fan 28, the air supply section 33 is provided with an air supply outlet 34, the air supply outlet 34 is communicated with the indoor space, and the processed fresh air flow enters the indoor space after sequentially passing through the rear heating section 29, the rear surface cooling section 30 and the air supply section 33 through the second fan 28.
The working principle of the invention is as follows: because the rotating wheel needs to circularly adsorb water vapor in air, the rotating wheel needs regenerated air to take away the water vapor on the cold surface of the rotating wheel, the water vapor on the surface of the rotating wheel material needs to be taken away, the relative humidity of the regenerated air needs to be very dry, the air generally needs to be heated to about 200 ℃, if the absolute moisture content is 0.02g/kg, the water vapor on the surface of the rotating wheel cannot be taken away even if the outdoor air is heated to 200 ℃, because the heated outdoor temperature cannot meet the relative drying condition, the fresh air flow introduced into the air supply of the secondary rotating wheel dehumidification section 20 is used in the secondary rotating wheel dehumidification section 20 and then used in the primary rotating wheel dehumidification section 7, the regenerated air after the water is adsorbed by the secondary rotating wheel has the drying degree far lower than that of the common outdoor air, so the regenerated air passing through the secondary rotating wheel can pass through the rotating wheel once again to take away the water adsorbed by the primary rotating wheel, the air conditioning unit meets the requirements of two production environments of high dew point and low dew point at the same time, and different dehumidification modes are provided, so that energy is saved, and the problem of drying and dehumidifying of regenerated air is synchronously solved.
Drawings
Fig. 1 is a system structure diagram of an energy-saving air conditioning unit with rotary dehumidification according to the present invention.
Fig. 2 is a partially enlarged view of a of the energy-saving air conditioning unit with rotary dehumidification according to the present invention.
Fig. 3 is a front view of the energy-saving air conditioning unit with rotary wheel dehumidification.
Fig. 4 is a three-dimensional structure view of the energy-saving air conditioning unit with rotary dehumidification according to the present invention.
Description of the main elements
Figure BDA0002827959960000041
Figure BDA0002827959960000051
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
As shown in fig. 1, it is a system structure diagram of the energy-saving air conditioning unit with rotary dehumidification of the present invention; as shown in fig. 2, which is a partial enlarged view of a of the energy-saving air conditioning unit with rotary dehumidification according to the present invention; as shown in fig. 3, it is a front view of the energy-saving air conditioning unit with rotary dehumidification of the present invention; as shown in fig. 4, a three-dimensional structure diagram of the energy-saving air conditioning unit with rotary dehumidification according to the present invention is shown.
The utility model provides an energy-conserving air conditioning unit who takes runner dehumidification, includes from left to right in proper order new trend section 1, preceding table cold section 4, one-level runner dehumidification section 7, return air section 12, well table cold section 15, well effect filter segment 18, second grade runner dehumidification section 20, fan section 27, back heating section 29, back table cold section 30 and air supply section 33, one-level runner dehumidification section 7 has one-level processing district 8 and one-level regeneration zone 9, second grade runner dehumidification section 20 has second grade processing district 21 and second grade regeneration zone 22, its characterized in that: the air conditioning unit adopting the rotary wheel dehumidification technology comprises a first working condition and a second working condition, wherein in the first working condition, fresh air flow is divided into two parts after passing through a front surface cooling section 4, a primary rotary wheel dehumidification section 7 and a return air section 12, one part enters a room after passing through a primary treatment area 8, a middle surface cooling section 15, a middle effect filtering section 18, a secondary rotary wheel dehumidification section 20, a fan section 27, a rear heating section 29, a rear surface cooling section 30 and an air supply section 33, the other part is discharged outside the room after passing through a primary regeneration area 9, in the second working condition, fresh air flow is divided into two parts after passing through the front surface cooling section 4, the primary runner dehumidification section 7, the return air section 12, the middle surface cooling section 15, the middle effect filtering section 18 and the secondary runner dehumidification section 20, one part enters the room after passing through the secondary treatment section 21, the fan section 27, the rear heating section 29, the rear surface cooling section 30 and the air supply section 33, and the other part is conveyed to the primary regeneration section 9 through the secondary regeneration section 22 to dehumidify the primary regeneration section 9 and then is discharged out of the room.
Fresh air section 1 is equipped with fresh air entry 2 and primary filter 3, fresh air flow passes through fresh air entry 2 and gets into the air conditioning box, and it reaches preceding table cold section 4 after filtering through primary filter 3.
Preceding surface cold section 4 includes first refrigerated water wet return 5 and first refrigerated water delivery pipe 6, and well surface cold section 15 includes second refrigerated water wet return 16 and second refrigerated water delivery pipe 17, and back surface cold section 30 includes third refrigerated water wet return 31 and third refrigerated water delivery pipe 32, and the refrigerated water inlet temperature of first refrigerated water delivery pipe 6, second refrigerated water delivery pipe 17 and third refrigerated water delivery pipe 32 is 7 ℃, and the refrigerated water outlet temperature of first refrigerated water wet return 5, second refrigerated water wet return 16 and third refrigerated water wet return 31 is 12 ℃.
The first chilled water supply pipe 6, the second chilled water supply pipe 17 and the third chilled water supply pipe 32 are all provided with a vapor filter 35, the first chilled water return pipe 5, the second chilled water return pipe 16 and the third chilled water return pipe 31 are all provided with an electric control valve 36 and an auxiliary branch 37, the left side and the right side of the electric control valve 36 are provided with two first manual valves 38, the second manual valve 39 is located in the auxiliary branch 37, two ends of the auxiliary branch 37 surround the electric control valve 36 and the first manual valve 38, and when the electric control valve 36 fails, the first manual valve 38 is closed, the second manual valve 39 is opened for maintenance, and the normal operation of the air conditioning unit does not need to be stopped.
One-level regeneration zone 9 includes first heating coil 10 and one-level runner regeneration position 11, one-level treatment zone 8 includes that one-level runner handles the position, return air section 12 is equipped with return air inlet 13, return air pipeline is connected to return air inlet 13, be equipped with air regulation valve 14 on the return air pipeline, the fresh air current after handling the position dehumidification with one-level runner is divided into two strands after mixing with the return air current, one strand lets in first heating coil 10 and heats after entering one-level runner regeneration position 11 and carry out the drying to one-level runner regeneration position 11 outdoor, cold section 15 carries out processing on next step in the entering of another strand.
The temperature of the fresh air flow before mixing is 23 ℃, the flow rate is 0.15g/kg, the temperature of the fresh air flow after mixing is 27 ℃, and the flow rate is 0.45g/kg, so that the heating energy consumption of the first heating coil 10 is reduced.
The intermediate filter section 18 is provided with an intermediate filter 19.
The second grade regeneration zone 22 includes second heating coil 23, first fan 24 and second grade runner regeneration position 25, second grade processing zone 21 includes the second grade runner and handles the position, the new trend air current that gets into well cold section 15 filters the back through the well effect filter 19 of well effect filter segment 18, send to second grade runner treatment position dehumidification, new trend air current divide into two strands afterwards, the strand lets in second heating coil 23 and heats the back and gets into second grade runner regeneration position 25 and arrange to discharge one-level runner dehumidification section 7 through first fan 24 after drying second grade runner regeneration position 25, another new trend air current gets into fan section 27 and carries out processing on next step.
The secondary regeneration area 22 is communicated with the primary regeneration area 9 through a regeneration air pipe 26, and fresh air flow discharged by the first fan 24 is sent to the primary regeneration area 9 through the regeneration air pipe 26.
The fan section 27 is provided with a second fan 28, the air supply section 33 is provided with an air supply outlet 34, the air supply outlet 34 is communicated with the indoor space, and the processed fresh air flow sequentially enters the indoor space after passing through the rear heating section 29, the rear surface cooling section 30 and the air supply section 33 through the second fan 28.
The working principle of the invention is as follows: because the rotating wheel needs to circularly adsorb water vapor in air, the rotating wheel needs regenerated air to take away the water vapor on the cold surface of the rotating wheel, the water vapor on the surface of the rotating wheel material needs to be taken away, the relative humidity of the regenerated air needs to be very dry, the air generally needs to be heated to about 200 ℃, if the absolute moisture content is 0.02g/kg, the water vapor on the surface of the rotating wheel cannot be taken away even if the outdoor air is heated to 200 ℃, because the heated outdoor temperature cannot meet the relative drying condition, the fresh air flow introduced into the air supply of the secondary rotating wheel dehumidification section 20 is used in the secondary rotating wheel dehumidification section 20 and then used in the primary rotating wheel dehumidification section 7, the regenerated air after the water is adsorbed by the secondary rotating wheel has the drying degree far lower than that of the common outdoor air, so the regenerated air passing through the secondary rotating wheel can pass through the rotating wheel once again to take away the water adsorbed by the primary rotating wheel, the air conditioning unit meets the requirements of two production environments of high dew point and low dew point at the same time, and different dehumidification modes are provided, so that energy is saved, and the problem of drying and dehumidifying of regenerated air is synchronously solved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides an energy-conserving air conditioning unit who takes runner dehumidification, includes from left to right in proper order new trend section (1), preceding table cold section (4), one-level runner dehumidification section (7), return air section (12), well table cold section (15), well effect filter segment (18), second grade runner dehumidification section (20), fan section (27), after-heating section (29), back table cold section (30) and air supply section (33), one-level runner dehumidification section (7) have primary treatment district (8) and one-level regeneration zone (9), second grade runner dehumidification section (20) have secondary treatment district (21) and second grade regeneration zone (22), its characterized in that: the air conditioning unit adopting the rotary wheel for dehumidification comprises a first working condition and a second working condition, wherein in the first working condition, fresh air flow is divided into two flows after passing through a front surface cooling section (4), a primary rotary wheel dehumidification section (7) and an air return section (12), one flow passes through a primary treatment area (8), a middle surface cooling section (15), a middle effect filtering section (18), a secondary rotary wheel dehumidification section (20), a fan section (27), a rear heating section (29), a rear surface cooling section (30) and an air supply section (33) to enter a room, the other flow passes through a primary regeneration area (9) to be discharged out of the room, in the second working condition, the fresh air flow is divided into two flows after passing through the front surface cooling section (4), the primary rotary wheel dehumidification section (7), the air return section (12), the middle surface cooling section (15), the middle effect filtering section (18) and the secondary rotary wheel dehumidification section (20), and one flow passes through a secondary treatment area (21), the fan section (27), the rear heating section (, The rear surface cooling section (30) and the air supply section (33) enter the room, and the other end of the air supply section passes through the secondary regeneration area (22) and is conveyed to the primary regeneration area (9) to dehumidify the primary regeneration area (9) and then is discharged out of the room.
2. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: fresh air section (1) is equipped with fresh air entry (2) and primary filter (3), fresh air flow gets into the air-conditioning box through fresh air entry (2), reaches preceding table cold section (4) after filtering through primary filter (3).
3. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: preceding surface cold section (4) are including first refrigerated water wet return (5) and first refrigerated water supply pipe (6), well surface cold section (15) are including second refrigerated water wet return (16) and second refrigerated water supply pipe (17), back surface cold section (30) are including third refrigerated water wet return (31) and third refrigerated water supply pipe (32), the refrigerated water temperature of intaking of first refrigerated water supply pipe (6), second refrigerated water supply pipe (17) and third refrigerated water supply pipe (32) is 7 ℃, first refrigerated water wet return (5), the refrigerated water temperature of going out of second refrigerated water wet return (16) and third refrigerated water wet return (31) is 12 ℃.
4. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: all be provided with a soda filter (35) on first refrigerated water supply pipe (6), second refrigerated water supply pipe (17) and third refrigerated water supply pipe (32), all be provided with electric control valve (36) and auxiliary branch way (37) on first refrigerated water wet return (5), second refrigerated water wet return (16) and third refrigerated water wet return (31), electric control valve (36) the left side and the right side are provided with two first manual valve (38), second manual valve (39) are located auxiliary branch way (37), electric control valve (36) and first manual valve (38) are surrounded at the both ends of auxiliary branch way (37), close first manual valve (38) when electric control valve (36) trouble and open second manual valve (39) and overhaul and need not stop the normal work of air conditioning unit.
5. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: one-level regeneration zone (9) includes first heating coil (10) and one-level runner regeneration position (11), one-level treatment zone (8) are including one-level runner treatment position, return air section (12) are equipped with return air inlet (13), return air pipeline is connected in return air inlet (13), be equipped with air regulation valve (14) on the return air pipeline, divide into two strands after the fresh air current after the dehumidification of one-level runner treatment position mixes with the return air current, one strand lets in first heating coil (10) and heats back entering one-level runner regeneration position (11) and carries out the drying back discharge outdoor to one-level runner regeneration position (11), another strand gets into middle cold segment (15) and handles on next step.
6. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: the temperature of the fresh air flow before mixing is 23 ℃, the flow rate is 0.15g/kg, and the temperature of the fresh air flow after mixing is 27 ℃, and the flow rate is 0.45 g/kg.
7. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: the medium-effect filtering section (18) is provided with a medium-effect filter (19).
8. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: second grade regeneration zone (22) includes second heating coil (23), first fan (24) and second grade runner regeneration position (25), second grade processing zone (21) includes the second grade runner processing position, the new trend air current that gets into well cold section (15) filters back through well effect filter (19) of well effect fillter section (18), send to second grade runner processing position dehumidification and handle, new trend air current divide into two strands afterwards, the one strand lets in second heating coil (23) and heats back entering second grade runner regeneration position (25) and arranges to discharge one-level runner dehumidification section (7) through first fan (24) after carrying out the drying to second grade runner regeneration position (25), another strand new trend air current gets into fan section (27) and carries out processing on next step.
9. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: the secondary regeneration area (22) is communicated with the primary regeneration area (9) through a regeneration air pipe (26), and fresh air flow discharged by the first fan (24) is sent to the primary regeneration area (9) through the regeneration air pipe (26).
10. The energy-saving air conditioning unit with rotary wheel dehumidification as set forth in claim 1, wherein: the fan section (27) is provided with a second fan (28), the air supply section (33) is provided with an air supply outlet (34), the air supply outlet (34) is communicated with the indoor space, and the processed fresh air flow sequentially enters the rear heating section (29), the rear surface cooling section (30) and the air supply section (33) through the second fan (28) and then enters the indoor space.
CN202011454352.6A 2020-12-10 2020-12-10 Energy-saving air conditioning unit with rotating wheel dehumidification function Pending CN112443905A (en)

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CN202011454352.6A CN112443905A (en) 2020-12-10 2020-12-10 Energy-saving air conditioning unit with rotating wheel dehumidification function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011454352.6A CN112443905A (en) 2020-12-10 2020-12-10 Energy-saving air conditioning unit with rotating wheel dehumidification function

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CN112443905A true CN112443905A (en) 2021-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114370677A (en) * 2022-01-17 2022-04-19 清华大学 Fresh air dehumidifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114370677A (en) * 2022-01-17 2022-04-19 清华大学 Fresh air dehumidifier

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