Air treatment method and system

A technology of air treatment and fresh air treatment units, applied in the field of air purification, can solve the problems of high efficiency filter and unsatisfactory energy consumption, and achieve the effects of reducing demand, realizing efficient construction and effective regulation

Inactive Publication Date: 2020-06-02
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, judging from the air treatment methods in these clean places, the requirements for high-efficiency filters in the treatment process are relatively high, and the energy consumption is not particularly ideal. There is still room for improvement in the control of cleanliness or the treatment process. Therefore, how to further To improve the air treatment process in clean places, whether there is a better air treatment method still needs further research

Method used

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  • Air treatment method and system

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Embodiment approach

[0036] According to one embodiment of the present invention, the method also includes:

[0037] Respond to changes in pollution sources by adjusting the circulating air volume of the return air.

[0038] According to an embodiment of the present invention, the method further includes: responding to changes in pressure requirements by adjusting the fresh air volume.

[0039] According to an embodiment of the present invention, two-stage surface cooling and heating control is performed by adjusting the cooling and heating medium pipelines.

[0040] According to an embodiment of the present invention, the fresh air is mixed with the return air treated by the return air interlayer before the air is supplied.

[0041] According to one embodiment of the invention, the air treated by the method is sent to a clean room.

[0042] In the present invention, the indoor temperature control is mainly realized through the return air treatment (the dry coil controls and adjusts the temperat...

Embodiment

[0060] figure 1 Shows the principle diagram of the air treatment method used in clean places such as electronic workshops, mainly consisting of a fresh air treatment unit (MAU) A, a high efficiency filter (FFU) 7 and a dry coil (DCC) 8 in the return air treatment process, Return air filter 9 and other components (exhaust air not shown).

[0061] Among them, the fresh air treatment unit includes multiple processing sections for fresh air (primary effect filter 1, two-stage surface cooling heater 2' and 2", humidification section 4, medium-efficiency filter 5, sub-high efficiency filter 6, etc.) .

[0062] The fresh air is processed by the fresh air processing unit MAU, and then flows through the primary filter 1, the first-level surface cooling heater 2', the humidification section 4, the second-level surface cooling heater 2", the medium-efficiency filter 5, and the sub-high-efficiency filter 6 , Two-stage surface cooling heaters 2' and 2", and humidification section 4 can b...

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Abstract

The invention relates to an air treatment method and system. The method comprises the following steps that the temperature and humidity levels of fresh air reach the required state through a make-up air unit, the fresh air is filtered preliminarily and then conveyed into an air supply interlayer of a clean room after being filtered through a high-efficiency filter, and the fresh air is mixed withreturn air treated through a return air treatment dry cooling coil and a return air filter for air supply. According to the air treatment method and system, the requirement for the high-efficiency filter can be lowered, the treatment energy consumption is reduced, the air treatment requirement of a clean occasion is better met, and high-efficiency construction of a clean environment is achieved.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to an air treatment method and system. Background technique [0002] Clean environment is widely used in various civil and industrial buildings such as hospitals, animal rooms, electronic workshops, and biopharmaceuticals. A good clean environment is an important basis for ensuring the normal process of production and operation. The formation technology of various clean places in my country is developing rapidly, and the demand for the construction and operation of clean rooms is becoming more and more extensive. Since clean places have strict requirements on environmental parameters, its environment creation and control play a vital role in the efficient operation of clean places. The energy consumption of environment creation in clean places usually accounts for more than half of its operating energy consumption. Therefore, there is an urgent need for efficient environme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F3/00F24F3/16F24F13/28
CPCF24F3/00F24F13/28F24F8/10
Inventor 张涛刘晓华麻志曜尹佳雯关博文
Owner TSINGHUA UNIV
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