CN213872958U

CN213872958U - An energy-saving air-conditioning unit with rotary dehumidification

Info

Publication number: CN213872958U
Application number: CN202022969595.5U
Authority: CN
Inventors: 毛海军
Original assignee: Elko Construction Engineering Jiangsu Co ltd
Current assignee: Elco Engineering Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-03
Anticipated expiration: 2030-12-10

Abstract

In order to meet the requirements of the production environment of lithium batteries, the dryness of the workshop environment needs to achieve a dew point temperature of ‑50°C, and in order to achieve the requirements of an ultra-low dew point environment, the utility model proposes an energy-saving air conditioning unit with rotary dehumidification. A surface cooling dehumidification, then a runner dehumidification, mixed with the return air, and then a secondary surface cooling to cool down, and then part of the supply air is extracted for the regeneration air used for the second runner dehumidification, and the water vapor absorbed by the runner is passed through the regeneration air. Effectively take away the regenerative air after the secondary runner absorbs moisture, and its dryness is still much lower than that of ordinary outdoor air, so the regenerative air that has passed through the secondary runner can be passed through the runner again to take away the primary runner. Absorbed moisture, the air conditioning unit meets both high dew point and ultra-low dew point production environment requirements, provides different dehumidification modes, thus saving energy and simultaneously solving the problem of drying and dehumidification of regenerative air.

Description

Energy-saving air conditioning unit with rotating wheel dehumidification function

Technical Field

The utility model relates to an air conditioner technical field, it is comparatively concrete, involve an energy-conserving air conditioning unit who takes runner 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.

SUMMERY OF THE UTILITY MODEL

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 utility model provides an energy-saving air conditioning unit with rotating wheel dehumidification, which dehumidifies fresh air through primary surface cooling, dehumidifies the fresh air through primary rotating wheel, cools the fresh air through secondary surface cooling after mixing with return air, extracts part of regenerated air for secondary rotating wheel dehumidification, effectively takes away the water vapor adsorbed by the rotating wheel through the regenerated air, and 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, takes away the moisture adsorbed by the primary rotating wheel, and the air conditioning unit meets the requirements of the high dew point and ultralow dew point production environments simultaneously, and provides different dehumidification modes, 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 utility model discloses a theory of operation: 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 the energy-saving air conditioning unit with rotary dehumidification of the utility model.

Fig. 2 is a partial 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 dehumidification air conditioning unit with rotating wheels.

Fig. 4 is a three-dimensional structure diagram of the energy-saving air conditioning unit with rotating wheel dehumidification of the utility model.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

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, a partial enlarged view of a of the energy-saving air conditioning unit with rotary dehumidification according to the present invention is shown; 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, it is a three-dimensional structure diagram of the energy-saving air conditioning unit with rotary dehumidification according to the present invention.

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 above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An energy-saving air-conditioning unit with rotary dehumidification, comprising, from left to right, a fresh air section (1), a front surface cooling section (4), a first-stage rotary dehumidification section (7), a return air section (12), Middle surface cooling section (15), medium efficiency filter section (18), secondary runner dehumidification section (20), fan section (27), rear heating section (29), rear surface cooling section (30) and air supply section (33), the primary runner dehumidification section (7) has a primary treatment zone (8) and a primary regeneration zone (9), and the secondary runner dehumidification section (20) has a secondary treatment zone (21) ) and a secondary regeneration zone (22), characterized in that: the air-conditioning unit for rotary dehumidification includes a first working condition and a second working condition, and in the first working condition, the fresh air flow passes through the front surface cooling section (4), The first-stage runner dehumidification section (7) and the return air section (12) are divided into two sections, and one section passes through the first-stage treatment section (8), the middle-surface cooling section (15), the middle-efficiency filter section (18), and the second-stage The runner dehumidification section (20), the fan section (27), the rear heating section (29), the rear surface cooling section (30) and the air supply section (33) enter the room, and the other one passes through the primary regeneration zone (9). ) and then discharged to the outside. In the second working condition, the fresh air flow passes through the front surface cooling section (4), the first-stage runner dehumidification section (7), the return air section (12), the middle surface cooling section (15), the middle surface cooling section (15), the middle surface cooling section (15). The high-efficiency filter section (18) and the secondary runner dehumidification section (20) are divided into two strands, and one strand passes through the secondary treatment section (21), the fan section (27), the post-heating section (29), and the post-surface cooling section (21). 30) and the air supply section (33) enter the room, and the other one passes through the secondary regeneration zone (22) and is transported to the primary regeneration zone (9) to dehumidify the primary regeneration zone (9) and then discharged outside.

2. The energy-saving air-conditioning unit with rotary dehumidification as claimed in claim 1, characterized in that: the fresh air section (1) is provided with a fresh air inlet (2) and a primary filter (3), and the fresh air flow passes through the fresh air inlet (2) Enter the air-conditioning box, and reach the front cooling section (4) after being filtered through the primary filter (3).

3. The energy-saving air-conditioning unit with rotary dehumidification as claimed in claim 1, characterized in that: the front surface cooling section (4) comprises the first chilled water return pipe (5) and the first chilled water supply pipe (6), The middle surface cooling section (15) includes a second chilled water return pipe (16) and a second chilled water supply pipe (17), and the rear surface cooling section (30) includes a third chilled water return pipe (31) and a third chilled water supply pipe (17). The water inlet temperature of the water supply pipe (32), the first frozen water water supply pipe (6), the second frozen water water supply pipe (17) and the third frozen water water supply pipe (32) are all 7°C. The chilled water outlet temperature of the return pipe (5), the second chilled water return pipe (16) and the third chilled water return pipe (31) is all 12°C.

4. The energy-saving air-conditioning unit with rotary dehumidification as claimed in claim 1, characterized in that: the first chilled water supply pipe (6), the second chilled water supply pipe (17) and the third chilled water supply pipe (32) ) is provided with a soda water 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 electric control valves (36). ) and the auxiliary branch (37), two first manual valves (38) are provided on the left and right of the electric control valve (36), and the second manual valve (39) is located in the auxiliary branch (37), and the auxiliary branch Both ends of (37) surround the electric control valve (36) and the first manual valve (38). When the electric control valve (36) fails, close the first manual valve (38) and open the second manual valve (39) for maintenance. There is no need to stop the normal operation of the air conditioning unit.

5. The energy-saving air-conditioning unit with runner dehumidification according to claim 1, wherein the primary regeneration zone (9) comprises a first heating coil (10) and a primary runner regeneration part (11), a The primary treatment area (8) includes a primary runner treatment part, the air return section (12) is provided with an air return port (13), the air return port (13) is connected to a return air duct, and an air volume regulating valve (14) is arranged on the return air duct , the fresh air flow and the return air flow after the dehumidification treatment of the primary runner treatment part are mixed and divided into two parts, one is passed into the first heating coil (10) for heating and then enters the primary runner regeneration part (11) The first-stage runner regeneration part (11) is dried and discharged to the outside, and the other part enters the middle surface cooling section (15) for the next step.

6. the air-conditioning unit of energy-saving belt runner dehumidification as claimed in claim 1, is characterized in that: the fresh air flow temperature before mixing is 23 ℃, and flow rate is 0.15g/kg, and the fresh air airflow temperature after mixing is 27 ℃, flow rate It is 0.45g/kg.

7. The energy-saving air-conditioning unit with rotary dehumidification according to claim 1, characterized in that: the medium-efficiency filter section (18) is provided with a medium-efficiency filter (19).

8. The energy-saving air-conditioning unit with rotary dehumidification according to claim 1, wherein the secondary regeneration zone (22) comprises a second heating coil (23), a first fan (24) and a secondary rotary wheel The regeneration part (25), the secondary treatment area (21) includes a secondary runner treatment part, and the fresh air flow entering the middle surface cooling section (15) is filtered by the medium efficiency filter (19) of the medium efficiency filter section (18) , sent to the secondary runner processing part for dehumidification treatment, and then the fresh air flow is divided into two parts, one is passed into the second heating coil (23) for heating, and then enters the secondary runner regeneration part (25) for the secondary runner. After the regeneration part (25) is dried, it is discharged to the first stage runner dehumidification section (7) through the first fan (24), and another fresh air flow enters the fan section (27) for further processing.

9. The energy-saving air-conditioning unit with rotary dehumidification according to claim 1, characterized in that: the secondary regeneration zone (22) is communicated with the primary regeneration zone (9) through the regeneration air duct (26), and the first fan ( 24) The exhausted fresh air flow is sent to the primary regeneration zone (9) through the regeneration air duct (26).

10. The energy-saving air-conditioning unit with rotary dehumidification according to claim 1, characterized in that: the fan section (27) is provided with a second fan (28), and the air supply section (33) is provided with an air supply port (34), The air supply port (34) communicates with the room, and the treated fresh air flow enters the room in sequence through the rear heating section (29), the rear surface cooling section (30) and the air supply section (33) through the second fan (28).