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Single runner two stage dehumidify air-conditioner driven by solar

A rotary dehumidification and solar energy technology, applied in air conditioning systems, space heating and ventilation, household heating, etc., can solve problems such as difficulties, high regeneration temperature, and limited dehumidification capacity, and achieve low equipment investment costs and excellent energy efficiency , the effect of simple structure

Inactive Publication Date: 2008-02-06
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Conventional one-stage dehumidification has the following disadvantages: 1) The regeneration temperature is high, mainly using heat sources such as electric heat and steam, and it is difficult to apply low-grade heat sources such as solar energy and waste heat
2) The dehumidification capacity is limited, and sufficient moisture cannot be removed. Without the cooperation of electric refrigeration, the air supply temperature and humidity requirements of the comfortable air conditioner cannot be met.
3) Deep dehumidification needs to cooperate with electric refrigeration and air conditioning, and the structure is complex
[0004] After searching the existing technical documents, it was found that the Chinese utility model patent No. 00227043.9 "low dew point rotor dehumidifier", in this patent, the fresh air is directly dehumidified through the rotor, and the regeneration fan is regenerated through the regeneration air channel and the dehumidification rotor. side connection, the regenerative heater communicates with the regenerative side of the dehumidification rotor assembly through the regenerative air channel, this technology requires a special heat source, the energy efficiency is not ideal, and the required air temperature and humidity regulation cannot be achieved under the standard environmental conditions in summer range

Method used

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  • Single runner two stage dehumidify air-conditioner driven by solar
  • Single runner two stage dehumidify air-conditioner driven by solar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] As shown in Figure 1, it is a single-wheel two-stage desiccant air conditioner driven by solar hot water.

[0031] This embodiment includes: a second-stage regenerative fan 1, a dehumidification runner 2, a runner drive motor 3, a runner drive belt 4, a second-stage regeneration heater 5, a second-stage treatment heat exchanger 6, and a second-stage regeneration Air inlet duct 7, evaporative cooler 8, treatment fan 9, first-stage regeneration fan 10, treatment air inlet duct 11, first-stage regeneration heater 12, first-stage treatment heat exchanger 13, first-stage regeneration Air inlet duct 14, regeneration side evaporative cooler 15, regeneration air inlet main pipe 16, hot water pump 17, hot water tank 18, hot water heat exchanger 19, water tank bypass pipe 20, auxiliary heater 21, solar collector twenty two.

[0032]As shown in FIG. 2 , the structure schematic diagram of the desiccant wheel with two partitions, the first-stage treatment area 23 , the first-stage ...

Embodiment 2

[0042] As shown in Figure 3, it is a single-wheel two-stage desiccant air conditioner driven by solar hot air, which is used for air conditioning and cooling in summer.

[0043] As shown in Fig. 3, this embodiment includes: the second-stage regenerative fan 1, the dehumidification runner 2, the runner drive motor 3, the runner drive belt 4, the second-stage treatment heat exchanger 6, the second-stage cooling air inlet air Pipe 7, evaporative cooler 8, processing fan 9, first stage regeneration fan 10, processing air inlet duct 11, first stage processing heat exchanger 13, first stage cooling air inlet duct 14, cooling air evaporative cooler 15. Cooling air inlet main pipe 16, second-stage processing air inlet air valve 27 in winter, second-stage processing air inlet duct 28 in winter, intermediate valve 29 for processing air, second-stage regeneration air pipe 30, and bypass valve 31 for processing air , Handle wind side air duct 32, first stage regeneration air duct 33, auxi...

Embodiment 3

[0054] This embodiment is used for heating in winter, and the structure is shown in Figure 3. The difference from Embodiment 2 is that the structure of this embodiment does not include: the first stage processing heat exchanger 13, the first stage cooling air inlet duct 14, the cooling air evaporative cooler 15, the cooling air inlet main pipe 16, the second stage Dealing with heat exchanger 6, evaporative cooler 8, they are not working in this embodiment.

[0055] The winter heating method of the two-stage desiccant dehumidification air conditioner realized by the above structural features is:

[0056] In winter, the air valve 27 of the second-stage treatment air inlet is opened, the treatment air bypass valve 31 is opened, and the treatment air intermediate valve 29 is closed. Outdoor air or indoor return air, or indoor and outdoor mixed wind (regeneration air for short) ambient air is driven by the hot air fan 35 and enters the solar air heat collector 36 through the heat ...

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Abstract

The present invention relates to a solar-driven single rotating wheel two-level dehumidifying air conditioner, belonging to the refrigerating dehumidifying technology field, the present invention comprises a rotating wheel dehumidifying device and a solar energy device, wherein the rotating wheel dehumidifying device comprises a dehumidifying rotating wheel, a heater, a treatment air blower, a regeneration air blower, an electric motor, belts or gears, an evaporative cooler and a heat exchanger, wherein the electric motor connects with the dehumidifying rotating wheel through the belts or gears, and drives the dehumidifying rotating wheel to rotate; the heat exchanger is connected with the evaporative cooler, the evaporative cooler is connected with the treatment air blower; the dehumidifying rotating wheel is divided into four zones, namely a first level treatment zone, a first level regeneration zone, a second level treatment zone and a second level regeneration zone, the two level treatment zones are separated by the two level regeneration zones, the regeneration air blower is connected with the two level regeneration zones respectively, and the first and the second treatment zones of the dehumidifying rotating wheel are respectively connected with two level heat exchangers. The present invention can adjust temperature and humidity effectively, realize the miniaturization and the low cost of the heat-driven air-conditioning equipments, so the system is suitable for four seasons.

Description

technical field [0001] The invention relates to an air conditioner in the technical field of refrigeration and dehumidification, in particular to a solar-powered single-wheel two-stage dehumidification air conditioner. Background technique [0002] The use of solar energy for air conditioning in summer is an important way to improve building comfort and energy saving, which is in line with the current general trend of energy saving, emission reduction and sustainable development. The dehumidification of the solid wheel can use solar energy to drive the dehumidification wheel to remove the moisture in the air, making it dry air, and then achieve a comfortable temperature and humidity range through direct evaporative cooling. It can effectively slow down the tense trend of electricity supply in summer and reduce the demand for fossil fuels. In addition, the dehumidification of the rotary wheel reduces the use of chlorofluorocarbon refrigerants, and there is no CFCS problem an...

Claims

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Application Information

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IPC IPC(8): F24F5/00
Inventor 李勇代彦军王如竹翟小强吴静怡葛天舒
Owner SHANGHAI JIAO TONG UNIV
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