WO2023221657A1 - 一种双转轮除湿机构、干燥房系统以及洁净室系统 - Google Patents

一种双转轮除湿机构、干燥房系统以及洁净室系统 Download PDF

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Publication number
WO2023221657A1
WO2023221657A1 PCT/CN2023/084421 CN2023084421W WO2023221657A1 WO 2023221657 A1 WO2023221657 A1 WO 2023221657A1 CN 2023084421 W CN2023084421 W CN 2023084421W WO 2023221657 A1 WO2023221657 A1 WO 2023221657A1
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Prior art keywords
dehumidification
zone
outlet
regeneration
double
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PCT/CN2023/084421
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English (en)
French (fr)
Inventor
金伟力
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苏州兆和环能科技有限公司
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Publication of WO2023221657A1 publication Critical patent/WO2023221657A1/zh

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Classifications

    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F3/16—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
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • 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
    • F24F7/003—Ventilation in combination with air cleaning
    • 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
    • F24F8/108—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 dry filter elements
    • 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
    • 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
    • F24F2110/12—Temperature of the outside air
    • 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
    • F24F2110/22—Humidity of the outside air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • This application relates to the technical field of dehumidification treatment, and in particular to a double-wheel dehumidification mechanism, a drying room system and a clean room system.
  • the rotary dehumidifier can use solid adsorbents to absorb moisture while simultaneously regenerating and dehydrating the adsorbents after absorbing moisture, so that the solid adsorbents can be recycled and the entire moisture absorption work can be carried out continuously, overcoming the problem of static solid
  • the shortcomings of adsorption being incapable of continuous dehumidification and refrigeration condensation dehumidification being ineffective under low temperature and low humidity conditions can be exploited for its continuous, stable and large dehumidification capacity under low temperature and low humidity conditions. Therefore, rotary dehumidifiers are widely used in the product production process. Such as the production of lithium-ion batteries, etc.
  • Rotary dehumidifiers usually need to heat the air to obtain high-temperature regeneration air and send it to the regeneration area of the runner to regenerate the runner. This process usually consumes a lot of energy. Therefore, how to save as much energy as possible to heat the high-temperature regeneration air? Energy has become an urgent problem that those skilled in the art need to solve.
  • the dehumidification devices based on the rotor in the prior art usually pass the gas output from the outlet of the dehumidification zone of the rotor into the regeneration zone of the rotor after being heated by a heater.
  • the relative humidity of the regeneration air is reduced without increasing the temperature of the regeneration gas, thereby reducing the load on the corresponding heater.
  • this arrangement is not very effective in saving the energy required to heat high-temperature regeneration air.
  • the extracted part is passed into the runner.
  • embodiments of the present application provide a new dual-wheel dehumidification mechanism, which can improve the utilization rate of regenerated heat energy and achieve energy saving.
  • this application provides a double-wheel dehumidification mechanism, including:
  • the first rotor adsorption module includes a first dehumidification zone, a first regeneration zone and a first heater;
  • the second rotor adsorption module includes a second dehumidification zone, a second regeneration zone and a second heater;
  • the first dehumidification zone, the first regeneration zone, the second dehumidification zone, and the second regeneration zone include an inlet and an outlet;
  • the outlet of the first dehumidification zone is connected to the inlet gas path of the second dehumidification zone, and the outlet of the second dehumidification zone is connected to the inlet gas path of the gas containing chamber; the first outlet of the second regeneration zone
  • the gas path branch is connected to the inlet gas path of the first regeneration zone, and the gas output by the first gas path branch is heated by the first heater and then flows into the entrance of the first regeneration zone;
  • the second gas path branch is connected to the inlet gas path of the first regeneration zone.
  • the gas output from the second gas path branch at the outlet of the regeneration zone returns to the entrance of the second regeneration zone through the circulating gas path, and merges with at least part of the gas from the outlet of the gas containing chamber and is heated by the second heater.
  • the entrance to the second regeneration zone is connected to the inlet gas path of the second dehumidification zone, and the outlet of the second dehumidification zone is connected to the inlet gas path of the gas containing chamber; the first outlet of the second
  • the outlet of the gas containing chamber is connected to the inlet gas path of the second dehumidification zone or the first dehumidification zone, and at least part of the gas from the outlet of the gas containing chamber flows into the third dehumidification zone.
  • the second dehumidification zone or the first dehumidification zone is connected to the inlet gas path of the second dehumidification zone or the first dehumidification zone, and at least part of the gas from the outlet of the gas containing chamber flows into the third dehumidification zone.
  • the double-wheel dehumidification mechanism further includes at least one surface cooler.
  • the surface cooler includes a front surface cooler and an intermediate surface cooler; the front surface cooler is placed at the entrance of the first dehumidification zone; the intermediate surface cooler The device is placed between the outlet of the first dehumidification zone and the inlet of the second dehumidification zone.
  • the dual-wheel dehumidification mechanism further includes at least one air filter.
  • the dual-wheel dehumidification mechanism further includes:
  • a first temperature and humidity sensor arranged at the outlet of the first regeneration zone
  • the second temperature and humidity sensor is installed at the outdoor fresh air inlet.
  • the outlet of the first regeneration zone is selectively connected to the outdoor fresh air inlet.
  • the outlet of the first regeneration zone is calculated based on the temperature and humidity measured by the first temperature and humidity sensor,
  • the air enthalpy value is lower than the outdoor fresh air enthalpy value calculated from the temperature and humidity measured by the second temperature and humidity sensor, connect the outlet of the first regeneration zone with the outdoor fresh air inlet; Otherwise, connect the outlet of the first regeneration zone to the outside atmosphere.
  • the gas containing chamber is any one of a drying room, a clean room, a precision instrument storage room, a file management room, and a collection room.
  • the present application provides a drying room system, including a drying room body and any of the above-mentioned dual-wheel dehumidification mechanisms.
  • the present application provides a clean room system, including a clean room body and any of the above-described dual-wheel dehumidification mechanisms.
  • the dual-wheel dehumidification mechanism uses a two-stage dehumidification wheel to return the gas output by the second air path branch of the outlet of the second regeneration zone to the entrance of the second regeneration zone through the circulating air path. And combining with at least part of the gas from the outlet of the gas containing cavity can increase the temperature of the regeneration gas and reduce the load of the corresponding heater, thereby improving the utilization rate of the regeneration heat energy and achieving system energy saving; at the same time, since the embodiment of the present application will The gas in the gas containing chamber is introduced into the second regeneration zone instead of the gas from the outlet of the second dehumidification zone into the second regeneration zone. This will not reduce the air volume entering the gas containing chamber, so there is no need to add a compensatory air inlet fan. The air supply efficiency is improved, thereby further saving system energy consumption.
  • the dual-wheel dehumidification mechanism provided by the embodiment of the present application is used to measure the first temperature and humidity sensor in the first regeneration zone by setting a first temperature and humidity sensor at the outlet of the first regeneration zone and a second temperature and humidity sensor at the outdoor fresh air inlet.
  • the temperature and humidity of the outlet air and outdoor fresh air is calculated to be lower than the outdoor fresh air enthalpy value based on the temperature and humidity measured by the first temperature and humidity sensor and the second temperature and humidity sensor.
  • the dehumidification device provided by the embodiment of the present application is connected in series through the first runner adsorption module and the second runner adsorption module.
  • the regeneration temperatures of the first runner adsorption module and the second runner adsorption module are both lower than 85°C.
  • industrial waste heat such as industrial warm water drainage, solar water heaters, and compressor exhaust heat can be used as regenerative heat sources.
  • Figure 1 is a schematic structural diagram of a dehumidification device provided in Embodiment 1 of the present application;
  • Figure 2 is a schematic structural diagram of a dehumidification device provided in Embodiment 2 of the present application.
  • Figure 3 is a schematic structural diagram of a dehumidification device provided in Embodiment 3 of the present application.
  • Figure 4 is a schematic structural diagram of a dehumidification device provided in Embodiment 4 of the present application.
  • the dual-wheel dehumidification mechanism in this application uses a two-stage dehumidification wheel, which at least includes a first wheel adsorption module and a second wheel adsorption module, and the first wheel adsorption module and the second wheel adsorption module are arranged in series,
  • the first rotor adsorption module includes a first dehumidification zone, a first regeneration zone and a first heater
  • the second rotor adsorption module includes a second dehumidification zone, a second regeneration zone and a second heater.
  • the first dehumidification zone and the first regeneration zone are integrated in a wheel-shaped structure
  • the second dehumidification zone and the second regeneration zone are integrated in another wheel-shaped structure, using sealing materials (including but not limited to sealing strips).
  • sealing materials including but not limited to sealing strips.
  • the shell of the wheel structure itself separate the two wheel structures into two areas: a first regeneration area and a first dehumidification area (also called a treatment area), and a second regeneration area and a second dehumidification area.
  • the first and second dehumidification zones use the adsorbents installed in them to dehumidify the air to be treated (such as outdoor fresh air), and the first and second regeneration zones use high-temperature gas to regenerate and dehydrate the adsorbents after absorbing moisture, so that The adsorbent is recycled.
  • the double-wheel dehumidification mechanism in this application returns the gas output from the second gas path branch at the outlet of the second regeneration zone to the entrance of the second regeneration zone through the circulating gas path, and combines it with the gas from the gas containing chamber outlet. At least part of the combined gas is heated by the second heater and then passed into the entrance of the second regeneration zone for recycling, thereby improving the utilization rate of regeneration heat energy and achieving energy saving.
  • the gas containing cavity is explained by taking a drying room as an example.
  • the explanation of the gas containing cavity should not be limited to a drying room, but any space that needs to accommodate a dry gas environment, such as: drying Rooms, clean rooms, precision instrument storage rooms, file management rooms, collection rooms, etc., should all be included in the protection scope of this application as long as they do not violate the inventive concept of this application.
  • Figure 1 is a schematic structural diagram of a dual-wheel dehumidification mechanism provided in Embodiment 1 of the present application.
  • the mechanism generally includes a front surface cooler 1 and a first wheel adsorption module 2 connected through an air duct.
  • first rotor adsorption module 2 includes a first regeneration zone 2a and a first dehumidification zone 2b integrated in the same wheel-shaped structure, and a first heater 3 connected to the inlet of the first regeneration zone 2a
  • the second rotor adsorption module 7 includes a second regeneration zone 7a and a second dehumidification zone 7b integrated in the same wheel-shaped structure, and a second heater 9 connected to the inlet of the second regeneration zone 7a, the first regeneration zone 2a, the first dehumidification zone 2b, the second regeneration zone 7a, and the second dehumidification zone 7b all include an inlet and an outlet.
  • the air inlet of the outdoor fresh air is connected to the inlet of the front surface cooler 1, and the outlet of the front surface cooler 1 is connected to the first dehumidifier.
  • the inlet of zone 2b is connected, the outlet of the first dehumidification zone 2b is connected with the inlet of the intermediate surface cooler 4, the outlet of the intermediate surface cooler 4 is connected with the inlet of the first treatment fan 5, the outlet of the first treatment fan 5 is connected with the second
  • the inlet of the dehumidification zone 7b is connected, the outlet of the second dehumidification zone 7b is connected with the inlet of the post heater 8, the outlet of the post heater 8 is connected with the inlet of the drying room 10, the outlet of the drying room 10 and the second regeneration zone
  • the second air path branch of the outlet is connected to the inlet of the second heater 9, the outlet of the second heater 9 is connected to the inlet of the second regeneration zone 7a, and the outlet of the second regeneration zone 7a is connected to the inlet of the second treatment fan 6
  • the outlet of the second treatment fan 6 is connected to the inlet of the second heater 9 through the second air path branch and the circulation branch, and is connected to the inlet of the first heater 3 through the first air path branch
  • the outdoor fresh air OA first enters the front surface cooler 1, is cooled and pre-dehumidified by the front surface cooler 1, and then enters the first dehumidification zone 2b in the first rotor adsorption module 2. After passing through the first dehumidification zone 2b During the process, the moisture contained in the outdoor fresh air OA is adsorbed by the adsorbent provided in the first rotor adsorption module 2. After the humidity is reduced, it is sent to the intermediate surface cooler 4, which cools, cools and dehumidifies it.
  • the air after cooling and dehumidification is sent to the second dehumidification zone 7a in the second runner adsorption module 7 by the first treatment fan 5 for dehumidification treatment.
  • dry air is obtained.
  • the dry air is sent to the post heater 8 for heating treatment, and then its temperature is adjusted to the required temperature, such as 18°C, etc., and is finally supplied as blower dry air. Go to drying room 10.
  • Part of the return air RA returned from the drying room 10 is sent to the second heater 9. After being heated by the second heater 9, it is sent to the second regeneration zone 7b as regeneration air of the second rotor adsorption module 7. Therefore, the regeneration temperature of the second rotor adsorption module can be reduced and the load of the second heater 9 in the second rotor adsorption module 7 can be reduced.
  • the second regeneration process is carried out by the second processing fan 6 A part of the air treated in zone 7b returns to the second heater 9 through the second gas path branch 24 and the circulating gas path 25, merges with at least part of the gas from the outlet of the gas containing chamber 10, and is heated by the second heater 9 before being passed through.
  • a part of the air treated by the second regeneration zone 7b is sent to the first heater 3 through the first air path branch 23. Heating treatment is performed, and the heated air is sent to the first regeneration zone 2a as regeneration air of the first rotor adsorption module 2 for treatment and then discharged.
  • the regeneration temperatures of the first runner adsorption module 2 and the second runner adsorption module 7 are both lower than 85°C.
  • the first runner adsorption module 2 and the second runner adsorption module 7 The regeneration temperature of the second runner adsorption module 7 is all 75°C, so that industrial waste heat such as industrial warm water drainage, solar water heaters, and compressor exhaust heat can be used as a regeneration heat source, thereby achieving energy saving.
  • one or more air volume regulating valves can be selectively installed at some appropriate locations to control the amount of air volume entering or exiting each device.
  • an air volume regulating valve 14 can be provided between the first rotor adsorption module 2 and the intermediate surface cooler 4, and between the post heater 8 and the drying room 10
  • An air volume regulating valve (15, 17) is provided between the inlets, an air volume regulating valve 18 is provided on the exhaust port of the drying room 10, and an air volume regulating valve 16 is provided between the second processing fan 6 and the second heater 9, etc.
  • a dew point temperature sensor (20, 21) can also be provided at the entrance and exit of the drying room 10 to measure the return air RA returned from the drying room 10 and The post heater 8 heats the dew point temperature of the air SA.
  • an exhaust valve 22 can be provided on the drying room 10.
  • the exhaust valve 22 is preferably a residual pressure valve to control the air pressure in the drying room 10. Meet production needs.
  • the relevant temperature and humidity data are as follows: If the temperature of the outdoor fresh air OA is 34.4°C and the relative humidity is 63.5% RH, then the temperature of the return air RA returned from the drying room is 23 ⁇ 2°C, the dew point temperature is -50°C; the temperature of the air heated by the post heater is below 18°C, and the dew point temperature is -70°C.
  • FIG 2 is a schematic structural diagram of a double-wheel dehumidification mechanism provided in Embodiment 2 of the present application.
  • the difference between this embodiment and Embodiment 1 is that the outlet of the drying room 10 and the intermediate surface cooler 4 The inlet is connected through an air duct, and part of the return air RA returned from the outlet of the drying room 10 is sent to the intermediate surface cooler 4 through the air duct connected between the drying room 10 and the inlet of the intermediate surface cooler 4 .
  • the intermediate surface temperature can be reduced. Cooling load of cooler 4.
  • the outlet of the drying room 10 and the inlet of the first dehumidification zone 2b can also be connected through an air duct, so that part of the return air RA returned from the outlet 10 of the drying room is connected to the drying
  • the air duct between the outlet of the room 10 and the inlet of the first dehumidification zone 2b is sent into the first dehumidification zone 2b, thereby reducing the dehumidification load of the first dehumidification zone 2b.
  • Figure 3 is a schematic structural diagram of a dual-wheel dehumidification mechanism provided in Embodiment 3 of the present application.
  • the device also includes a device disposed in the first regeneration zone 2a The first temperature and humidity sensor 11 on the outlet air duct and the second temperature and humidity sensor 12 provided on the outdoor fresh air OA inlet duct, and connect the outlet of the first regeneration zone 2a and the outdoor fresh air OA inlet through the air duct Selective communication with damper.
  • the first temperature and humidity sensor 11 is used to measure the temperature and humidity of the outlet air of the first regeneration zone 2a
  • the second temperature and humidity sensor 12 is used to measure the temperature and humidity of the outdoor fresh air OA, so that the outlet air of the first regeneration zone 2a can be measured. Calculate the outlet air enthalpy value of the first regeneration zone 2a based on the temperature and humidity, and calculate the outdoor fresh air OA enthalpy value based on the temperature and humidity of the outdoor fresh air OA.
  • the air valve When calculating the first regeneration When the enthalpy value of the outlet air of zone 2a is lower than the outdoor fresh air OA enthalpy value, the air valve connects the outlet of the first regeneration zone 2a with the outdoor fresh air inlet, and connects the outlet of the first regeneration zone 2a with the outdoor fresh air.
  • the air duct between the OA air inlets mixes the outlet air of the first regeneration zone 2a with the outdoor fresh air OA and returns it to the front surface cooler 1. This arrangement can reduce the cooling load of the front surface cooler and achieve energy saving.
  • Figure 4 is a schematic structural diagram of a dual-wheel dehumidification mechanism provided in Embodiment 4 of the present application.
  • the device also includes an air filter 13.
  • the device 13 is disposed between the inlet of the outdoor fresh air OA and the front surface cooler 1, and is used to filter the outdoor fresh air and remove dust and other impurities contained in the outdoor fresh air OA.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Therefore, features defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise stated, “plurality” means two or more.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a detachable connection. It can be disconnected or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.
  • connection should be understood in a broad sense.
  • it can be a fixed connection or a detachable connection. It can be disconnected or integrally connected; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)
  • Central Air Conditioning (AREA)

Abstract

本申请提供了一种双转轮除湿机构，至少包括第一转轮吸附模块，包括第一再生区、第一除湿区和第一加热器，第二转轮吸附模块，包括第二再生区、第二除湿区和第二加热器，本申请方案采用两级除湿转轮，一方面，通过将第二再生区的出口的第二气路分支输出的气体经循环气路返回至第二再生区的入口，并与来自气体容纳腔出口的至少部分气体汇合后经第二加热器加热后通入第二再生区的入口中循环使用，提高了再生热能的利用率，实现节能，另一方面，通过将从气体容纳腔返回的部分回风空气送入第二加热器经加热后作为第二转轮吸附模块的再生空气送风至所述第二再生区，可以降低第二级转轮的再生温度，同时可以降低第二级转轮的加热器的负荷。

Description

一种双转轮除湿机构、干燥房系统以及洁净室系统 技术领域
本申请涉及除湿处理技术领域，尤其涉及一种双转轮除湿机构、干燥房系统以及洁净室系统。
背景技术
在产品生产过程中，湿气对产品带来的烦恼无时不在困扰着人类。与其它除湿方法比较，转轮除湿机可以应用固体吸附剂进行吸湿的过程中同步对吸湿后的吸附剂进行再生脱水处理，使固体吸附剂循环使用，整个吸湿工作可以连续进行，克服了静态固体吸附不能连续除湿而制冷冷凝除湿在低温低湿情况下无能为力的缺点，可发挥其在低温低湿条件下可连续稳定、大除湿量的特点，因而，转轮除湿机在产品生产过程中被广泛应用，如锂离子电池的生产等。
转轮除湿机通常需要对空气进行加热得到高温再生空气送入到转轮的再生区对转轮进行再生，该过程通常需要消耗大量能量，因而，如何尽可能地节省加热高温再生空气所需的能量，成为本领域技术人员亟需解决的问题。
为解决上述问题，现有技术中的基于转轮的除湿装置，通常会将从转轮的除湿区的出口输出的气体经加热器加热处理后通入到转轮的再生区中，以实现在不提高再生气体温度的前提下降低再生空气的相对湿度，从而降低对应加热器的负荷。然而这种设置方式对于节省加热高温再生空气所需的能量的效果并不是很好，同时由于在将转轮除湿区的出口输出的气体通入干燥房之前，抽取出部分通入到转轮的再生区，为了保证进入干燥室、洁净房等气体容纳腔的风量满足标准，必须要提高进风风机的送风效率，从而额外增加了电能消耗，无法满足节约能耗的系统需求，因此还需提出一种新的能耗更低的除湿机构。
发明内容
为了解决现有技术中存在的上述一个或多个技术问题，本申请实施例提供了一种新的双转轮除湿机构，可以提高再生热能的利用率，实现节能。
为了达到上述目的，本申请就解决其技术问题所采用的技术方案是：
本申请在第一方面提供了一种双转轮除湿机构，包括：
第一转轮吸附模块，包括第一除湿区、第一再生区和第一加热器；
第二转轮吸附模块，包括第二除湿区、第二再生区和第二加热器；
所述第一除湿区、第一再生区、第二除湿区、第二再生区包括入口和出口；
所述第一除湿区的出口与所述第二除湿区的入口气路连接，所述第二除湿区的出口与气体容纳腔的入口气路连接；所述第二再生区的出口的第一气路分支与所述第一再生区的入口气路连接，所述第一气路分支输出的气体经所述第一加热器加热后通入所述第一再生区的入口；所述第二再生区的出口的第二气路分支输出的气体经循环气路返回所述第二再生区的入口，并与来自所述气体容纳腔的出口的至少部分气体汇合后经第二加热器加热后通入所述第二再生区的入口。
在一个具体的实施例中，所述气体容纳腔的出口与所述第二除湿区或第一除湿区的入口气路连接，来自所述气体容纳腔的出口的至少部分气体通入所述第二除湿区或所述第一除湿区。
在一个具体的实施例中，所述双转轮除湿机构还包括至少一表冷器。
在一个具体的实施例中，所述表冷器包括一前置表冷器和一中间表冷器；所述前置表冷器置于所述第一除湿区的入口；所述中间表冷器置于所述第一除湿区的出口与所述第二除湿区的入口之间。
在一个具体的实施例中，所述双转轮除湿机构还包括至少一空气过滤器。
在一个具体的实施例中，所述双转轮除湿机构还包括：
第一温湿度传感器，设置于所述第一再生区的出口；
第二温湿度传感器，设置于室外新风进风口。
在一个具体的实施例中，所述第一再生区的出口与所述室外新风进风口选择性连通，当由所述第一温湿度传感器测量到的温度及湿度计算出的第一再生区出口的空气焓值低于由所述第二温湿度传感器测量到的温度及湿度计算出的所述室外新风焓值时，则将所述第一再生区的出口与所述室外新风进风口连通；否则，将所述第一再生区的出口与外界大气连通。
在一个具体的实施例中，所述气体容纳腔为干燥房、洁净室、精密仪器存放室、档案管理室、藏品珍藏室中的任一种。
本申请在第二方面提供了一种干燥房系统，包括干燥房本体以及上述任一所述的双转轮除湿机构。
本申请在第三方面提供了一种洁净室系统，包括洁净室本体以及上述任一所述的双转轮除湿机构。
本申请实施例提供的技术方案带来的有益效果是：
本申请实施例提供的双转轮除湿机构，采用两级除湿转轮，通过将第二再生区的出口的第二气路分支输出的气体经循环气路返回所述第二再生区的入口，并与来自所述气体容纳腔的出口的至少部分气体汇合能够提高再生气体的温度，降低对应加热器的负荷，从而提高了再生热能的利用率，实现系统节能；同时，由于本申请实施例将气体容纳腔的气体导入到第二再生区，而不是将从第二除湿区出口的气体导入到第二再生区，不会降低进入气体容纳腔的风量，从而无需代偿式的增加进风风机的送风效率，从而进一步节约了系统能耗。
进一步地，本申请实施例提供的双转轮除湿机构，通过在第一再生区的出口设置第一温湿度传感器以及在室外新风进风口设置第二温湿度传感器，分别用于测量第一再生区的出口空气以及室外新风的温度及湿度，当根据第一温湿度传感器以及第二温湿度传感器测量到的温度及湿度计算出第一再生区的出口空气焓值低于室外新风焓值时，将第一再生区的出口空气返回到前置表冷器中与室外新风混合使用，从而降低前置表冷器的冷却负荷，实现节能；
进一步地，本申请实施例提供的除湿装置，通过第一转轮吸附模块与第二转轮吸附模块串联，第一转轮吸附模块以及第二转轮吸附模块的再生温度均低于85℃，从而可以利用工业温排水、太阳能热水器、压缩机排热等工业废热作为再生热源。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例一提供的除湿装置的结构示意图；
图2是本申请实施例二提供的除湿装置的结构示意图；
图3是本申请实施例三提供的除湿装置的结构示意图；
图4是本申请实施例四提供的除湿装置的结构示意图。
附图标记说明：
1前置表冷器；2第一转轮吸附模块；2a第一再生区；2b第一除湿区；3第
一加热器；4中间表冷器；5第一处理风机；6第二处理风机；7第二转轮吸附模块；7a第二再生区；7b第二除湿区；8后置加热器；9第二加热器；10干燥房；11第一温湿度传感器；12第二温湿度传感器；13空气过滤器；14、15、16、17、18风量调节阀；19电动风量调节阀；20、21露点温度传感器；22排气阀；23第一气路分支；24第二气路分支；25循环气路；OA室外新风；RA气体容纳腔返回的气体；SA后置加热器加热处理后的气体。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描 述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
下面结合附图具体描述本申请实施例的方案。
本申请中的双转轮除湿机构采用两级除湿转轮，其至少包括第一转轮吸附模块以及第二转轮吸附模块，且第一转轮吸附模块与第二转轮吸附模块串联设置，其中第一转轮吸附模块包括第一除湿区、第一再生区和第一加热器，第二转轮吸附模块包括第二除湿区、第二再生区和第二加热器。具体实施时，第一除湿区和第一再生区集成在一轮状结构中，第二除湿区和第二再生区集成在另一轮状结构中，利用密封材料(包括但不限于密封胶条)以及轮状结构本身的壳体分别将两个轮状结构分隔成第一再生区和第一除湿区(也称处理区)两个区域，以及第二再生区和第二除湿区两个区域，第一及第二除湿区利用设置于其内的吸附剂对待处理空气(如室外新风)进行除湿处理，第一及第二再生区利用高温气体对吸湿后的吸附剂进行再生脱水处理，使吸附剂循环使用。为了实现降低转轮再生所需温度。本申请中的双转轮除湿机构通过将第二再生区的出口的第二气路分支输出的气体经循环气路返回所述第二再生区的入口，并与来自所述气体容纳腔出口的至少部分气体汇合后经第二加热器加热后通入所述第二再生区的入口进行循环使用，提高再生热能的利用率，实现节能。
另外，以下具体实施例中气体容纳腔均是以干燥房为例进行说明，但应该理解的是气体容纳腔的解释不应仅局限为干燥房，凡是需要容纳干燥气体环境的空间，如：干燥房、洁净室、精密仪器存放室、档案管理室、藏品珍藏室等在不违背本申请发明构思的前提下，均应囊括在本申请的保护范围内。
实施例一
图1是本申请实施例一提供的双转轮除湿机构的结构示意图，参照图1所示，该机构一般性地包括经风管连接的前置表冷器1、第一转轮吸附模块2、中间表冷器4、第一处理风机5、第二处理风机6、第二转轮吸附模块7、后置加 热器8，其中，第一转轮吸附模块2包括集成在同一轮状结构中的第一再生区2a和第一除湿区2b，以及与第一再生区2a的入口连接的第一加热器3，第二转轮吸附模块7包括集成在同一轮状结构中的第二再生区7a和第二除湿区7b，以及与第二再生区7a的入口连接的第二加热器9，第一再生区2a、第一除湿区2b、第二再生区7a、第二除湿区7b均包括入口和出口。
具体实施时，作为一种示例性而非限制性的示例，本申请实施例中，室外新风的进风口与前置表冷器1的入口连接，前置表冷器1的出口与第一除湿区2b的入口连接，第一除湿区2b的出口与中间表冷器4的入口连接，中间表冷器4的出口与第一处理风机5的入口连接，第一处理风机5的出口与第二除湿区7b的入口连接，第二除湿区7b的出口与后置加热器8的入口连接，后置加热器8的出口与干燥房10的入口连接，干燥房10的出口、第二再生区的出口的第二气路分支与第二加热器9的入口连接，第二加热器9的出口与第二再生区7a的入口连接，第二再生区7a的出口与第二处理风机6的入口连接，第二处理风机6的出口经第二气路分支、循环支路与第二加热器9的入口连接，经第一气路分支与第一加热器3的入口连接，即第二处理风机6设置在第二再生区7a的出口与第一加热器3之间，第一加热器3的出口与第一再生区2a的入口连接，第一再生区2a的出口与室外连接。
下面对上述实施例中的双转轮除湿机构的运转过程进行说明。室外新风OA首先进入前置表冷器1中，经前置表冷器1进行冷却降温预除湿后进入第一转轮吸附模块2中的第一除湿区2b，在通过第一除湿区2b的过程中室外新风OA中含有的水分被设置于第一转轮吸附模块2中的吸附剂所吸附，湿度降低后被送入中间表冷器4中，中间表冷器4对其进行冷却降温除湿处理，经冷却降温除湿处理后的空气被第一处理风机5送入到第二转轮吸附模块7中的第二除湿区7a中进行除湿处理，经过设置于第二级转轮7中的吸附剂吸附其所含水分后得到干燥空气，该干燥空气被送入到后置加热器8中进行加热处理后将其温度调节至所需要的温度，如18℃等，最后作为送风干空气被供给到干燥房10。
从干燥房10返回的部分回风空气RA被送入第二加热器9中，经第二加热器9加热后作为第二转轮吸附模块7的再生空气送风至第二再生区7b中，从而可以降低第二转轮吸附模块的再生温度以及可以降低第二转轮吸附模块7中的第二加热器9的负荷，此外，本申请实施例中通过第二处理风机6将经第二再生区7b处理后的空气一部分通过第二气路分支24以及循环气路25返回至第二加热器9中，与来自气体容纳腔10出口的至少部分气体汇合后经第二加热器9加热后通入第二再生区7b的入口进行循环使用，进一步提高了再生热能的利用率，还有一部分经第二再生区7b处理后的空气经第一气路分支23被送入第一加热器3中进行加热处理，经加热处理后的空气作为第一转轮吸附模块2的再生空气送风至第一再生区2a中处理后排出。
作为一种较优的实施方式，本申请实施例中，第一转轮吸附模块2以及第二转轮吸附模块7的再生温度均低于85℃，优选地，第一转轮吸附模块2以及第二转轮吸附模块7的再生温度均为75℃，从而可以利用工业温排水、太阳能热水器、压缩机排热等工业废热作为再生热源，从而实现节能。
具体实施时，本申请实施例中，可以选择性地在一些合适的位置上设置一个或多个风量调节阀，以控制进入或排出各个设备的风量的大小。作为一种示例性而非限制性的说明，本申请实施例中可以在第一转轮吸附模块2与中间表冷器4之间设置风量调节阀14，在后置加热器8与干燥房10入口之间设置风量调节阀(15、17)，干燥房10的排气口上设置风量调节阀18，以及在第二处理风机6与第二加热器9之间设置风量调节阀16等。
作为一种较优的实施方式，本申请实施例中，还可以在干燥房10的入口以及出口处分别设置一露点温度传感器(20、21)，以测量干燥房10返回的回风空气RA以及后置加热器8加热处理后的空气SA的露点温度。
作为一种较优的实施方式，本申请实施例中，可以在干燥房10上设置排气阀22，该排气阀22优选为余压阀，以控制干燥房10中的气压大小，使其符合生产需求。
经过本实施例的双转轮除湿机构的作用后，相关温湿度数据如下：假如室外新风OA的温度为34.4℃，相对湿度为63.5％RH，则干燥房返回的回风空气RA的温度为23±2℃，露点温度为-50℃；后置加热器加热处理后的空气的温度为18℃以下，露点温度为-70℃。
实施例二
图2是本申请实施例二提供的双转轮除湿机构的结构示意图，参照图2所示，本实施例与实施例一的不同之处在于，干燥房10的出口与中间表冷器4的入口通过风管连接，从干燥房10出口返回的部分回风空气RA经连接在干燥房10与中间表冷器4入口之间的风管被送入至中间表冷器4中。通过将从干燥房10返回的部分回风空气RA与经第一转轮吸附模块2的第一除湿区2b进行除湿处理得到的干燥空气混合后送入中间表冷器4中，可以降低中间表冷器4的冷却负荷。
这里需要说明的是，除了上述方式，还可以将干燥房10的出口与第一除湿区2b的入口通过风管连接，以将从干燥房的10出口返回的部分回风空气RA经连接在干燥房10的出口与第一除湿区2b的入口之间的风管被送入至第一除湿区2b中，从而降低第一除湿区2b的除湿负荷。
实施例三
图3是本申请实施例三提供的双转轮除湿机构的结构示意图，参照图3所示，本实施例与实施例二的不同之处在于，所述装置还包括设置于第一再生区2a的出口空气风管上的第一温湿度传感器11以及设置于室外新风OA进风口风管上的第二温湿度传感器12，并将第一再生区2a的出口与室外新风OA进风口通过风管与风阀进行选择性连通。
第一温湿度传感器11用于测量第一再生区2a的出口空气的温度及湿度，第二温湿度传感器12用于测量室外新风OA的温度及湿度，从而可以根据第一再生区2a的出口空气的温度及湿度计算第一再生区2a的出口空气焓值，以及根据室外新风OA的温度及湿度计算室外新风OA焓值，当计算出所述第一再生 区2a的出口空气焓值低于所述室外新风OA焓值时，风阀将第一再生区2a的出口与所述室外新风进风口连通，通过连接在第一再生区2a的出口与室外新风OA进风口之间的风管将第一再生区2a的出口空气与室外新风OA混合后返回到前置表冷器1中，这样设置，可以降低前置表冷器的冷却负荷，实现节能。而当计算出所述第一再生区2a的出口空气焓值高于所述室外新风OA焓值时，证明第一再生区2a的空气湿度已经大于室外新风OA，则风阀将第一再生区2a的出口与室外空气连通，将过湿的再生空气排出于系统之外。
这里需要说明的是，本申请实施例中不对焓值的具体的计算过程进行限制，在不违背本申请发明构思的前提下，任何已知的焓值计算方法均可用于本申请中的焓值计算，这里不再对其进行赘述。
实施例四
图4是本申请实施例四提供的双转轮除湿机构的结构示意图，参照图4所示，本实施例与实施例三的不同之处在于，所述装置还包括空气过滤器13，空气过滤器13设置于室外新风OA的入口与前置表冷器1之间，用于对室外新风进行过滤处理，除去室外新风OA中含有的粉尘等杂质。
在本申请的描述中，需要理解的是，术语“垂直”“平行”“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆 卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
以上所述仅为本申请的较佳实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种双转轮除湿机构，包括：
    第一转轮吸附模块，包括第一除湿区、第一再生区和第一加热器；
    第二转轮吸附模块，包括第二除湿区、第二再生区和第二加热器；
    所述第一除湿区、第一再生区、第二除湿区、第二再生区均包括入口和出口；
    其特征在于，所述第一除湿区的出口与所述第二除湿区的入口气路连接，所述第二除湿区的出口与气体容纳腔的入口气路连接；所述第二再生区的出口的第一气路分支与所述第一再生区的入口气路连接，所述第一气路分支输出的气体经所述第一加热器加热后通入所述第一再生区的入口；所述第二再生区的出口的第二气路分支输出的气体经循环气路返回所述第二再生区的入口，并与来自所述气体容纳腔的出口的至少部分气体汇合后经第二加热器加热后通入所述第二再生区的入口。
  2. 根据权利要求1所述的双转轮除湿机构，其特征在于，所述气体容纳腔的出口与所述第二除湿区或第一除湿区的入口气路连接，来自所述气体容纳腔的出口的至少部分气体通入所述第二除湿区或所述第一除湿区。
  3. 根据权利要求1所述的双转轮除湿机构，其特征在于，所述双转轮除湿机构还包括至少一表冷器。
  4. 根据权利要求3所述的双转轮除湿机构，其特征在于，所述表冷器包括一前置表冷器和一中间表冷器；所述前置表冷器置于所述第一除湿区的入口；所述中间表冷器置于所述第一除湿区的出口与所述第二除湿区的入口之间。
  5. 根据权利要求1所述的双转轮除湿机构，其特征在于，所述双转轮除湿机构还包括至少一空气过滤器。
  6. 根据权利要求1-5任一项所述的双转轮除湿机构，其特征在于，所述双转轮除湿机构还包括：
    第一温湿度传感器，设置于所述第一再生区的出口；
    第二温湿度传感器，设置于室外新风进风口。
  7. 根据权利要求6所述的双转轮除湿机构，其特征在于，所述第一再生区的出口与所述室外新风进风口选择性连通，当由所述第一温湿度传感器测量到的温度及湿度计算出的第一再生区出口的空气焓值低于由所述第二温湿度传感器测量到的温度及湿度计算出的所述室外新风焓值时，则将所述第一再生区的出口与所述室外新风进风口连通；否则，将所述第一再生区的出口与外界大气连通。
  8. 根据权利要求1所述的双转轮除湿机构，其特征在于，所述气体容纳腔为干燥房、洁净室、精密仪器存放室、档案管理室、藏品珍藏室中的任一种。
  9. 一种干燥房系统，包括干燥房本体以及权利要求1-7任一项所述的双转轮除湿机构。
  10. 一种洁净室系统，包括洁净室本体以及权利要求1-7任一项所述的双转轮除湿机构。
PCT/CN2023/084421 2022-05-19 2023-03-28 一种双转轮除湿机构、干燥房系统以及洁净室系统 WO2023221657A1 (zh)

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