CN213931236U

CN213931236U - Ventilation system of clean room

Info

Publication number: CN213931236U
Application number: CN202023318908.7U
Authority: CN
Inventors: 杨更生
Original assignee: Suzhou Huihua Construction Engineering Co ltd
Current assignee: Suzhou Huihua Construction Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-10
Anticipated expiration: 2030-12-31

Abstract

A ventilation system of a clean room comprises a plurality of air supply outlets and a plurality of air exhaust outlets which are arranged in the room, an air supply branch communicated with the plurality of air supply outlets in the same room, and an air exhaust branch communicated with the plurality of air exhaust outlets in the same room, wherein the plurality of air supply branches are connected with an air supply main pipe; the exhaust branch is connected with an exhaust main pipe, a second high-efficiency filter is arranged on the exhaust branch, and the second high-efficiency filter is arranged at the downstream of the exhaust outlets. The high-efficiency filter is arranged on each air supply branch, so that cleaner air can be provided indoors, and the indoor cleanliness is effectively improved; the exhaust branch is also provided with a high-efficiency filter for absorbing harmful smoke and dust and then discharging.

Description

Ventilation system of clean room

Technical Field

The utility model belongs to the technical field of warm logical building construction, in particular to a ventilation system for biochemical laboratory, toilet.

Background

For office areas with high cleanliness requirements, such as biochemical laboratories, there are often high demands on ventilation systems. Among the prior art, generally can be at exhaust system installation filter, purify the emission to the atmospheric waste gas of laboratory discharge, however the air supply pipeline can not do alone and purify, and this makes the cleanliness factor in the room not enough.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a ventilation system that makes purifying effect better in the room.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: a ventilation system of a clean room comprises a plurality of air supply outlets and a plurality of air exhaust outlets which are arranged in the room, an air supply branch communicated with the plurality of air supply outlets in the same room, and an air exhaust branch communicated with the plurality of air exhaust outlets in the same room, wherein the plurality of air supply branches are connected with an air supply main pipe; the exhaust branch is connected with an exhaust main pipe, a second high-efficiency filter is arranged on the exhaust branch, and the second high-efficiency filter is arranged at the downstream of the exhaust outlets.

In the above technical solution, the ventilation system further includes an overhaul channel, the air supply branch and the air exhaust branch are provided with a filter box facing the overhaul channel, and the first high efficiency filter or the second high efficiency filter is detachably mounted in the filter box.

In the above technical solution, preferably, the exhaust main pipe is further provided with an activated carbon filter.

In the above technical solution, preferably, a plurality of rectangular branch pipes are further connected to a lower portion of the air supply branch, the plurality of air supply ports are respectively disposed below the plurality of rectangular branch pipes, and a third high-efficiency filter is further disposed at the air supply port.

In the above technical solution, preferably, each of the air supply branch and the air exhaust branch is provided with an air volume adjusting valve.

Compared with the prior art, the utility model obtain following beneficial effect: the high-efficiency filter is arranged on each air supply branch, so that cleaner air can be provided indoors, and the indoor cleanliness is effectively improved; the exhaust branch is also provided with a high-efficiency filter for absorbing harmful smoke and dust and then discharging.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic sectional view of the building of the present invention;

FIG. 3 is a schematic view of the installation of the air supply port;

wherein: 10. a main air supply pipe; 11. an air supply branch; 12. an air supply outlet; 13. an air supply regulating valve; 14. a rectangular branch pipe; 20. a main exhaust pipe; 21. an air exhaust branch; 22. an air outlet; 23. an air exhaust regulating valve; 30. a filter box; 31. a first high efficiency filter; 32. a second high efficiency filter; 33. a third high efficiency filter; 40. a suspended ceiling; 50. and (6) overhauling the channel.

Detailed Description

To explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following detailed description is made with reference to the accompanying drawings.

Fig. 1 is a plan view of a part of a ventilation system for a clean room of the present invention, wherein a room 1 and a room 2 can be a laboratory, a detection room, etc. for biological or chemical experiments, the ventilation system comprises an air supply pipe group, an air exhaust pipe group, etc., wherein the air supply pipe group is communicated with an air-conditioning refrigeration system, which plays a role of adjusting the temperature of air sent into the room and supplying fresh air, and the air exhaust pipe group is then discharged through a series of purification by using a high-altitude exhaust funnel through an exhaust fan. The circulating air low-speed air pipe system is adopted, the air quantity is changed to operate, several groups of air conditioners are provided with primary and intermediate-effect filters, and the air flow organization is top air supply and top air return and exhaust.

As shown in fig. 1, a ventilation system of a clean room includes a plurality of air supply ports 12 and a plurality of air discharge ports 22, a plurality of air supply branches 11 and a plurality of air discharge branches 21, an air supply main pipe 10, and an air discharge main pipe 20, which are provided in a room 1 and a room 2, wherein one end of each air supply branch 11 is connected to the air supply main pipe 10, the other end thereof is introduced into each room and communicated with the plurality of air supply ports 12 in the room, one end of each air discharge branch 21 is connected to the air discharge main pipe 20, and the other end thereof is introduced into each room and communicated with the plurality of air discharge ports 22.

Each of the air supply branches 11 is provided with a first high-efficiency filter 31, and the first high-efficiency filter 31 is located at the upstream of the air supply outlets 12 and is used for purifying air sent into a room through an air conditioning system. Each exhaust branch 21 is provided with a second high-efficiency filter 32, and the second high-efficiency filter 32 is arranged at the downstream of the plurality of exhaust ports 22 and is used for filtering, purifying and then exhausting harmful gas, smoke and dust and the like in a room. Install high efficiency filter can effectual reduction air-out dust on air supply and the branch road of airing exhaust, improve the air-out quality.

Referring to fig. 2, the ventilating system further includes a service access 50, and the service access 50 is designed in the same manner as the service access of a conventional building, and is used for top service. For further reducing the degree of difficulty of overhauing and changing filtering material, the utility model discloses an in the preferred embodiment air supply branch road 11 with air exhaust branch road 21 on seted up the orientation access passage 50's rose box 30 is provided with a plurality of perpendicular to pipeline length direction's slot in this rose box 30, first high efficiency filter 31 or second high efficiency filter 32 detachably install in the slot of rose box 30, and arrange along the cross-sectional direction of pipeline. These filter boxes 30 are provided at the connection of the ends of the supply and

exhaust branches

11 and 21 to the main duct.

As shown in fig. 3, a plurality of rectangular branch pipes 14 are further connected below the air supply branch 11, a plurality of air supply outlets 12 are respectively arranged below the plurality of rectangular branch pipes 14, and a third high-efficiency filter 33 is further arranged at the air supply outlets 12, so that the air outlet cleanliness is further improved.

Air

volume adjusting valves

13 and 23 are respectively arranged on the air supply branch 11 and the air exhaust branch 21. In the using state, the air supply quantity is determined by the minimum value of the air exhaust quantity required by equipment, the fresh air quantity required by personnel and the air quantity meeting the minimum ventilation times.

In order to further purify and discharge waste gas, the exhaust main pipe 20 is further provided with an active carbon filter, and exhaust air is treated by active carbon and then discharged by an overhead exhaust funnel through an exhaust fan.

Claims

1. A ventilation system for a clean room, characterized by: the air supply branch is connected with an air supply main pipe, a first high-efficiency filter is arranged on the air supply branch, and the first high-efficiency filter is positioned at the upstream of the air supply ports; the exhaust branch is connected with an exhaust main pipe, a second high-efficiency filter is arranged on the exhaust branch, and the second high-efficiency filter is arranged at the downstream of the exhaust outlets.

2. A ventilation system for a clean room according to claim 1, characterized in that: the air supply branch and the air exhaust branch are provided with filter boxes facing the maintenance channel, and the first high-efficiency filter or the second high-efficiency filter is detachably arranged in the filter boxes.

3. A ventilation system for a clean room according to claim 1, characterized in that: the exhaust main pipe is also provided with an active carbon filter.

4. A ventilation system for a clean room according to claim 1, characterized in that: the lower part of the air supply branch is also connected with a plurality of rectangular branch pipes, the plurality of air supply openings are respectively arranged below the plurality of rectangular branch pipes, and the air supply openings are also provided with a third high-efficiency filter.

5. A ventilation system for a clean room according to claim 1, characterized in that: and air volume regulating valves are respectively arranged on the air supply branch and the air exhaust branch.