CN204611947U - Air treatment system - Google Patents

Abstract

The utility model discloses an air treatment system, which comprises a clean room, an upper interlayer, a lower interlayer and a return air shaft; the clean room can place equipment that emits chemical substance pollutants; the lower interlayer and the clean room pass through a partition with a return air outlet The system is separated; the lower mezzanine includes an accommodation room below the area for placing equipment that emits chemical pollutants, and the accommodation room includes a lower enclosure extending downward from the top of the lower interlayer and a The bottom plate of the storage room, the air in the clean room can enter the lower enclosure through the air return port of the partition system; the chemical substance pollutant treatment device located under the bottom plate of the storage room is connected to the space through the pipeline; after the chemical substance pollutant treatment The air treated by the device can enter the upper mezzanine through the return air shaft. The utility model solves the technical problem that the circulating air in the clean room is all processed by the chemical substance pollutant treatment device, resulting in a huge amount of air to be treated and low efficiency.

Description

air handling system

technical field

The utility model relates to the technical field of air filtration and treatment, in particular to an air treatment system.

Background technique

At present, some high-tech production plants at home and abroad have strict requirements on trace chemical substances in the indoor air, air temperature and humidity, and cleanliness due to their precision and fine processing requirements. Therefore, in such projects that have been built or are under construction at home and abroad, in order to control the trace chemical substances in the clean room, it is necessary to treat the chemical substances in the fresh air and the circulating air in the clean room separately.

Fig. 1-Fig. 4 is the schematic diagram of existing air treatment system, as shown in Fig. 1-Fig. Mezzanine 50, raised floor 60, waffle plate 70, dry cooling coil and fan filter unit 80. For the treatment of chemical substances in the fresh air, as shown in Figure 1-Figure 4, activated carbon or other chemical filters are installed in the fresh air treatment unit to process the chemical substances. For the processing method of circulating air in the clean room, as shown in Figure 1, a chemical substance filter 91 is set above the fan filter unit 80; as shown in Figure 2, it is set at the lower interlayer 50 near the dry cooling coil Chemical substance filter unit 92; As shown in Figure 3, be to arrange chemical substance filter wall 93 near dry cooling coil at lower interlayer 50; As shown in Figure 4, be to install chemical substance filter unit 94 in return air shaft 20, Among them, the chemical substance filter 91 and the chemical substance filter wall 93 are not equipped with fans, and the chemical substance filter unit 92 and the chemical substance filter unit 94 are equipped with fans. The difference between the two is that the air volume of the chemical substance filter unit 92 is Large, the air volume of the chemical substance filter unit 94 is small. The above treatment methods for the circulating air in the clean room are characterized by treating all the circulating air in the clean room with chemical pollutants. However, due to the cleanliness requirements of the clean room, the amount of circulating air is usually large, so the air volume of the treatment is also large. Large, requiring a large number of chemical handling plants.

Utility model content

The utility model provides an air treatment system, which solves the technical problems in the prior art that all circulating air in a clean room is processed by a chemical substance pollutant treatment device, resulting in a huge amount of air to be treated and low treatment efficiency.

In order to achieve the above object, the utility model provides the following technical solutions:

An air treatment system, comprising a clean room, an upper interlayer and a lower interlayer and a return air shaft respectively located above and below the clean room; equipment that emits chemical pollutants during work can be placed in the clean room;

The lower interlayer and the clean room are separated by a partition system with a return air outlet; the lower interlayer includes an accommodating chamber below the area for placing equipment that emits chemical pollutants, and the accommodating chamber includes a self- The lower enclosure extending downward from the top of the lower interlayer and the bottom plate of the accommodation chamber located at the bottom of the lower enclosure, the air in the clean room can enter the lower enclosure through the air return port of the partition system;

The chemical pollutant treatment device located under the bottom plate of the accommodation chamber communicates with the space through pipes; the air treated by the chemical pollutant treatment device can enter the upper interlayer through the return air shaft.

Preferably, the baffle system includes a middle enclosure extending downward from the top of the baffle system; the air in the clean room can pass through the return air outlet in the space enclosed by the middle enclosure of the baffle system into the lower enclosure.

Preferably, the middle enclosure is located below the area for placing equipment that emits chemical pollutants; the projection of the area for placing equipment that emits chemical pollutants on the bottom of the lower interlayer Located in the projection of the middle enclosure at the bottom of the lower interlayer.

Preferably, the lower enclosure is a soft curtain or a hard partition, and the middle enclosure is a hard partition or a soft curtain.

Preferably, the chemical pollutant treatment device is an air treatment device with a fan and capable of treating chemical pollutants.

Preferably, the upper interlayer includes a fan filter unit; the clean room and the upper interlayer are separated by a fan filter unit plus a ceiling joist or a roof plus a ceiling joist, and the fan filter unit is placed between the ceiling joists Above; the air in the upper interlayer enters the clean room through the fan filter unit in the upper interlayer.

Preferably, the baffle system includes a raised floor with a return air outlet and a waffle plate located below it, and the middle enclosure extends from the lower surface of the raised floor to the upper surface of the waffle plate.

Preferably, the partition system includes a raised floor with a return air outlet and a lattice beam located below it, and the middle enclosure extends from the lower surface of the raised floor to the upper surface of the lattice beam.

In the air treatment system provided by the utility model, the accommodating room is located below the area for placing equipment that emits chemical pollutants. After the air around the equipment that emits chemical pollutants is polluted during work, the polluted air passes through The air return port of the baffle system enters the storage room formed by the lower enclosure and the bottom plate of the storage room, and the chemical substance pollutant treatment device only treats the polluted air. Compared with the existing technology, on the one hand, it reduces the amount of air that needs to be treated and improves the treatment efficiency of the air treatment system; on the other hand, it reduces the number of chemical pollutant treatment devices and reduces the complexity of the air treatment system To a certain extent, it can reduce the primary investment and operating costs, and reduce the difficulty of air handling system installation.

Description of drawings

Fig. 1 is the schematic diagram of existing a kind of air treatment system;

Fig. 2 is the schematic diagram of another kind of existing air treatment system;

Fig. 3 is the schematic diagram of another kind of existing air treatment system;

Fig. 4 is the schematic diagram of another kind of existing air treatment system;

Fig. 5 is a schematic diagram of an air treatment system according to an embodiment of the present invention.

Explanation of reference signs of main components:

In the prior art:

10 fresh air treatment units, 20 return air shafts, 30 upper mezzanine, 40 clean room, 50 lower mezzanine,

60 raised floor, 70 waffle board,

80 fan filter unit,

91 chemical substance filter, 92 chemical substance filter unit, 93 chemical substance filter wall,

94 chemical substance filtration unit.

In the utility model:

100 clean room,

200 upper mezzanine,

300 lower mezzanine, 310 lower enclosure, 320 bottom plate of accommodation room,

400 return air shaft,

500 Chemical Substance Pollutant Treatment Devices,

600 raised floor, 610 middle enclosure,

700 waffle plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The air treatment system of an embodiment of the present utility model, as shown in Figure 1, comprises clean room 100, is respectively positioned at its upper and lower interlayer 200 and lower interlayer 300 and return air shaft 400; In described clean room 100, can Contains equipment that emits chemical pollutants during its work;

The lower interlayer 300 and the clean room 100 are separated by a baffle system with a return air outlet; the lower interlayer 300 includes an accommodating chamber below the area for placing equipment that emits chemical pollutants, and the accommodating The chamber includes a lower enclosure 310 extending downward from the top of the lower mezzanine and an accommodating room floor 320 located at the bottom of the lower enclosure, and the air in the clean room 100 can enter the lower floor through the air return port of the partition system Inside the enclosure 310;

The chemical pollutant treatment device 500 located below the bottom plate of the storage chamber communicates with the space enclosed by the storage chamber through pipes; the air treated by the chemical pollutant treatment device 500 can pass through the return air shaft 400 into the upper interlayer 200 .

When the equipment placed in the clean room emits chemical pollutants during work, the equipment emits chemical pollutants, causing the air around the equipment that emits chemical pollutants to be polluted to contain chemical pollutants;

Afterwards, the polluted air enters the accommodation chamber through the air return port of the baffle system; due to the existence of the lower enclosure and the bottom plate of the accommodation chamber, the polluted air is confined in the accommodation chamber and will not spread in the lower interlayer;

Then, the polluted air enters the chemical substance pollutant treatment device located below the bottom plate of the accommodation chamber through the pipeline, and enters the lower interlayer after being treated by the chemical substance pollutant treatment device to mix with other air entering from the clean room;

Finally, the mixed air enters the upper interlayer through the air return shaft.

In the air treatment system of this embodiment, after the air around the equipment that emits chemical pollutants during operation is polluted, the polluted air enters the lower enclosure and the bottom plate of the accommodation chamber through the air return port of the partition system. In the containment room, the chemical substance pollutant treatment device only treats the polluted air. Compared with the existing technology, on the one hand, it reduces the amount of air that needs to be treated and improves the treatment efficiency of the air treatment system; on the other hand, it reduces the number of chemical pollutant treatment devices and reduces the complexity of the air treatment system To a certain extent, it can reduce the primary investment and operating costs, and reduce the difficulty of air handling system installation.

The air treatment system of this embodiment is suitable for the situation that the equipment that emits chemical pollutants during work is not suitable for enclosure and there is no auxiliary production equipment in the lower interlayer.

In order to better limit the polluted air, the partition system can also include a middle enclosure extending downward from the top of the partition system; the air in the clean room can pass through the middle enclosure of the partition system. The return air outlet in the space enclosed by the barrier enters into the lower enclosure.

Specifically, as shown in FIG. 5 , the partition system includes a raised floor 600 with a return air vent, a raised floor support system, and a waffle plate 700 with a return air vent located under the raised floor. The lower surface of the raised floor extends to the upper surface of the waffle plate.

As an optional manner, the partition system includes a raised floor with air return vents, a raised floor support system, and lattice beams located below the raised floor, and the middle enclosure extends from the lower surface of the raised floor to the upper surface of the lattice beam.

As shown in Figure 5, the middle enclosure 610 is located below the area for placing equipment that emits chemical pollutants; the area for placing equipment that emits chemical pollutants is below the The projection of the bottom of the interlayer is located within the projection of the middle enclosure on the bottom of the lower interlayer, and the projection of the middle enclosure on the bottom of the lower interlayer should coincide with the projection of the lower enclosure on the bottom of the lower interlayer.

In the actual process, the projection of the middle enclosure on the bottom of the lower interlayer and the projection of the lower enclosure on the bottom of the lower interlayer may not completely coincide, as long as the lower enclosure and the middle enclosure form a relatively closed space, the probability of polluted air leaking into the enclosure of the lower mezzanine is greatly reduced.

Specifically, the lower enclosure is a soft curtain or a hard partition, and the middle enclosure is a hard partition or a soft curtain.

Specifically, the chemical pollutant treatment device is an air treatment device with a fan and capable of treating chemical pollutants.

In the above embodiment, as shown in Figure 5, the upper interlayer 200 includes a fan filter unit; the clean room and the upper interlayer are separated by a fan filter unit plus a ceiling keel or a top plate plus a ceiling keel, and the fan The filter unit is placed on the ceiling keel; the air in the upper mezzanine enters the clean room through the fan filter unit; the air in the lower mezzanine can enter the upper mezzanine through the return air shaft.

In this way, the circulation of the air in the clean room is realized.

Apparently, those skilled in the art can make various changes and modifications to the embodiments of the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (8)

1. An air treatment system, comprising a clean room, an upper interlayer and a lower interlayer and a return air shaft respectively above and below it; it is characterized in that the equipment that can emit chemical pollutants during work can be placed in the clean room; The lower interlayer and the clean room are separated by a partition system with a return air outlet; the lower interlayer includes an accommodating chamber below the area for placing equipment that emits chemical pollutants, and the accommodating chamber includes a self- The lower enclosure extending downward from the top of the lower interlayer and the bottom plate of the accommodation chamber located at the bottom of the lower enclosure, the air in the clean room can enter the lower enclosure through the air return port of the partition system; The chemical pollutant treatment device located under the bottom plate of the accommodation chamber communicates with the space surrounded by the accommodation chamber through pipes; the air treated by the chemical pollutant treatment device can enter the storage chamber through the return air shaft The above mezzanine. 2. The air handling system according to claim 1, wherein the partition system includes a middle enclosure extending downward from the top of the partition system; the air in the clean room can pass through the partition The return air outlet in the space enclosed by the middle enclosure of the panel system enters the lower enclosure. 3. The air treatment system according to claim 2, wherein the middle enclosure is located below the area for placing equipment that emits chemical pollutants; The projection of the area of the contaminated equipment on the bottom of the lower interlayer is located within the projection of the middle enclosure on the bottom of the lower interlayer. 4. The air treatment system according to claim 3, wherein the lower enclosure is a soft curtain or a hard partition, and the middle enclosure is a hard partition or a soft curtain. 5. The air treatment system according to claim 4, wherein the chemical pollutant treatment device is an air treatment device with a fan and capable of treating chemical pollutants. 6. The air treatment system according to claim 5, wherein the upper interlayer includes a fan filter unit; the clean room and the upper interlayer are separated by a fan filter unit plus a ceiling keel or a top plate plus a ceiling keel , the fan filter unit is placed on the ceiling keel; the air in the upper interlayer enters the clean room through the fan filter unit in the upper interlayer. 7. The air handling system according to claim 6, wherein the baffle system comprises a raised floor with a return air outlet and a waffle plate located below it, and the middle layer encloses the raised floor from the lower part of the raised floor. The surface extends to the upper surface of the waffle plate. 8. The air handling system according to claim 6, wherein the baffle system comprises a raised floor with a return air outlet and a lattice beam located therebelow, and the middle enclosure is protected from the lower part of the raised floor. The surface extends to the upper surface of the lattice beam.