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CN-224215470-U - Energy-saving low dew point runner dehydrating unit

CN224215470UCN 224215470 UCN224215470 UCN 224215470UCN-224215470-U

Abstract

The utility model belongs to the technical field of air conditioning dehumidification, in particular to an energy-saving low dew point rotating wheel dehumidification device which comprises a wet air inlet, a water-cooling direct expansion device, a front rotating wheel, a fan, a rear rotating wheel, a heat exchanger and a regeneration exhaust fan, wherein an outlet of the wet air inlet is connected with an inlet of the water-cooling direct expansion device, an outlet of the water-cooling direct expansion device is connected with an inlet of the lower part of the front rotating wheel, an outlet of the lower part of the front rotating wheel is connected with an air inlet of the fan, an air outlet of the fan is connected with an inlet of the rear rotating wheel, an outlet of the lower part of the rear rotating wheel is connected with a workshop, an outlet of the part of the rear rotating wheel is connected with an inlet of the heat exchanger which is not heated for regeneration air, an outlet of the heat exchanger is connected with an air inlet of the regeneration exhaust fan, an air outlet of the regeneration exhaust fan is connected with a high-temperature wet air inlet of the heat exchanger, and the high-temperature regeneration air with high humidity exhausted by the regeneration exhaust fan is reasonably recycled, and the energy-saving device has the advantages of being green and environment-friendly.

Inventors

  • DUAN HONGYAN
  • ZHAN JIANPEI
  • XIE YAN
  • ZHAN XIAOJUN
  • ZHU WEIYING

Assignees

  • 浙江思科制冷股份有限公司

Dates

Publication Date
20260508
Application Date
20250425

Claims (6)

  1. 1. The energy-saving low dew point rotating wheel dehumidifying device is characterized by comprising a wet air inlet (1), a water-cooling direct expansion device (4), a front rotating wheel (5), a fan (6), a rear rotating wheel (8), a heat exchanger (12) and a regeneration exhaust fan (14), wherein the outlet of the wet air inlet (1) is connected with the inlet of the water-cooling direct expansion device (4), the outlet of the water-cooling direct expansion device (4) is connected with the inlet of the lower part of the front rotating wheel (5), the outlet of the lower part of the front rotating wheel (5) is connected with the air inlet of the fan (6), the air outlet of the fan (6) is connected with the inlet of the rear rotating wheel (8), the outlet of the lower part of the rear rotating wheel (8) is connected with a workshop, the outlet of the part of the rear rotating wheel (8) is connected with the inlet of unheated regeneration air, the outlet of the heat exchanger (12) is connected with the air inlet of the regeneration exhaust fan (14), and the outlet of the heated regeneration air is connected with the air inlet of the high-temperature exhaust fan (12) of the heat exchanger (1).
  2. 2. The energy-saving low dew point rotating wheel dehumidifying device according to claim 1, wherein a filter (2) and a primary water coil (3) are sequentially arranged between the wet air inlet (1) and the pipeline of the water-cooling direct expansion device (4).
  3. 3. The energy-saving low dew point rotating wheel dehumidifying device according to claim 1, wherein a filter (2) and a secondary water coil (7) are sequentially arranged on a pipeline between the fan (6) and the rear-stage rotating wheel (8).
  4. 4. The energy-saving low dew point rotating wheel dehumidifying device according to claim 1, wherein a three-stage water coil pipe (9) and an electric heater (10) are sequentially arranged on a pipeline between the rear-stage rotating wheel (8) and the workshop.
  5. 5. The energy-saving low dew point rotating wheel dehumidifying device according to claim 1, wherein the workshop is provided with an air return opening (11), and the air return opening (11) is connected to a pipeline between the front-stage rotating wheel (5) and the fan (6).
  6. 6. The energy-saving low dew point rotating wheel dehumidifying device according to claim 1, wherein a pipeline between an outlet of heated regenerated air of the heat exchanger (12) and an air inlet of the regeneration exhaust fan (14) sequentially passes through the upper part of the rear-stage rotating wheel (8) and the upper part of the front-stage rotating wheel (5), a silicon controlled electric heater (13) is arranged between the heated regenerated air of the heat exchanger (12) and the pipeline of the upper part of the rear-stage rotating wheel (8), and a silicon controlled electric heater (13) is arranged between the pipeline of the upper part of the rear-stage rotating wheel (8) and the pipeline of the upper part of the front-stage rotating wheel (5).

Description

Energy-saving low dew point runner dehydrating unit Technical Field The utility model belongs to the technical field of air conditioner dehumidification, and particularly relates to an energy-saving low dew point rotating wheel dehumidification device. Background At present, air dehumidification mainly includes cooling dehumidification and rotating wheel dehumidification. The cooling and dehumidifying effects are better under the conditions of high temperature and high humidity and less strict humidity requirements, but in places with higher humidity and temperature requirements, the cooling and dehumidifying can hardly reach the controlled humidity requirements and the energy consumption is larger. The rotary dehumidifier is adopted for dehumidification, the air dew point is not affected, and the dehumidification amount is large. The wheel dehumidifier is a device for rotating and dehumidifying by utilizing a rotating wheel made of a solid moisture absorbent. The core structure of the rotary dehumidifier is a continuously rotating honeycomb drying rotary wheel, which is the most critical component for absorbing moisture of the dehumidifier, and the honeycomb structural design of the rotary dehumidifier not only can greatly adhere to a moisture absorbent, increase the surface area of the mutual contact of the wet air and the moisture absorbent, improve the working efficiency of the dehumidifier, but also has high strength, and can be well applied to various complex working environments. The conventional low dew point rotary dehumidifier can be used for preparing low dew point dry air, but has the defects that the regenerated air is heated by a proportional electric heater, moisture adsorbed on the rotary wheel is vaporized and discharged through a regeneration zone of the rotary wheel, heat generated by the moisture vaporization is completely discharged to the atmosphere along with the regenerated air by a regeneration fan, so that great resource waste is caused, the heat is not reasonably recycled, the electric heater adopts the proportional type, the regeneration temperature cannot be accurately controlled, the required dew point cannot be achieved, and the silicon controlled electric heater can realize stepless regulation. Disclosure of utility model The utility model aims to solve the problems and provide an energy-saving low dew point rotating wheel dehumidifying device. The utility model realizes the above purpose through the following technical scheme: The utility model provides an energy-saving low dew point runner dehydrating unit, including wet air inlet, the water-cooling is directly expanded the device, preceding stage runner, the fan, the latter stage runner, the heat exchanger, regeneration exhaust fan, wet air inlet's export links to each other with the import of water-cooling is directly expanded the device, water-cooling is directly expanded the export of device and is linked to each other with the import of preceding stage runner lower part, the export of preceding stage runner lower part links to each other with the air intake of fan, the air outlet of fan links to each other with the import of the latter stage runner, the export and the workshop of the latter stage runner lower part are connected, the export of the heat exchanger of the part in the latter stage runner is not by the import of heated regeneration air links to each other with regeneration exhaust fan's air intake, regeneration exhaust fan's air outlet and heat exchanger's high temperature wet air import link to each other. Preferably, a filter and a primary water coil are sequentially arranged between the wet air inlet and the pipeline of the water-cooling direct expansion device. Preferably, a filter and a secondary water coil are sequentially arranged on a pipeline between the fan and the rear-stage rotating wheel. Preferably, a three-stage water coil pipe and an electric heater are sequentially arranged on a pipeline between the rear-stage rotating wheel and the workshop. Preferably, the workshop is provided with an air return port which is connected to a pipeline between the front-stage rotating wheel and the fan. Preferably, a pipeline between an outlet of heated regenerated air of the heat exchanger and an air inlet of the regeneration exhaust fan sequentially passes through the upper part of the rear-stage rotating wheel and the upper part of the front-stage rotating wheel, a silicon controlled electric heater is arranged between the pipeline between the heated regenerated air of the heat exchanger and the upper part of the rear-stage rotating wheel, and a silicon controlled electric heater is arranged between the pipeline between the upper parts of the rear-stage rotating wheel and the front-stage rotating wheel. Compared with the prior art, the beneficial effects are as follows: The wet air inlet, the water-cooling direct expansion device, the lower part of the front-stage rotating wheel, the lower part of the rear