CN216644413U

CN216644413U - Air return double-layered wall structure with temperature control for clean room

Info

Publication number: CN216644413U
Application number: CN202122815974.3U
Authority: CN
Inventors: 谢雨东; 杨彤彤; 于启明
Original assignee: Zhejiang Titan Design & Engineering Co ltd
Current assignee: Zhejiang Titan Design & Engineering Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-05-31
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a clean room air return sandwich wall structure with temperature control, which is formed by enclosing double-layer color steel plates into an air return sandwich wall structure, wherein heat-conducting core materials are filled in the inner color steel plates, heat-insulating core materials are filled in the color steel plates at other parts, an air inlet is arranged at the lower parts of the inner color steel plates, an air channel is formed between the inner side color steel plates and the outer side color steel plates, radiation pipes are integrated in the inner side color steel plates, the radiation pipes penetrate through from inlet ends, after being laid and integrated in the inner side color steel plates in various circuitous modes, the radiation pipes penetrate out from outlet ends, stop valves are arranged on pipelines at the inlet ends and the outlet ends, two-way control valves are arranged in front of the stop valves of outlet pipelines, and are adjusted by temperature sensors and used for displaying and controlling the indoor temperature. The utility model realizes the control of the indoor air temperature by integrating the radiant tube in the color steel plate of the return air sandwich wall and by convection and radiation heat transfer.

Description

Air return double-layered wall structure with temperature control for clean room

Technical Field

The utility model belongs to the technical field of clean rooms, and particularly relates to a clean room air return sandwich wall structure with temperature control.

Background

The clean room is a space with good tightness, and parameters such as air cleanliness, temperature, humidity, pressure, noise and the like are controlled according to requirements, the clean room is widely applied to the fields of medicines, electronics, foods, semiconductors and the like, and the return air sandwich wall is an important component in a clean air conditioning system of the clean room.

The traditional return air sandwich wall is only used as a return air channel, has no air temperature control function, and generally needs to be provided with a dry coil or an air conditioning box to realize the temperature control of indoor air, so that the structure and the system are complex.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems existing in the prior art, the utility model provides the air return sandwich wall structure with the temperature control function for the clean room, which has the characteristics of reasonable design, compact structure, convenient room temperature control and the like, can realize the control of the indoor temperature on the basis of the traditional air return sandwich wall structure, and has wider application prospect in an air conditioning system with independent control of the temperature and the humidity of the clean room.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a toilet's return air presss from both sides wall structure with temperature control, it presss from both sides wall structure to be the return air that is enclosed by double-deck various steel sheet, pack the heat conduction core in the various steel sheet intussuseption of inboard, pack adiabatic core in the various steel sheet at other positions, be equipped with the air intake in the various steel sheet lower part of inboard, constitute the wind channel between the various steel sheet of inboard outside, the upper end in wind channel is the tuber pipe interface, interior right angle department in the wind channel is equipped with circular arc chamfer, integrated radiant tube in the various steel sheet of inboard, the radiant tube penetrates by the entry end, the inside various circuitous forms of adopting of inboard color sheet lay integrated back, wear out from the exit end, all be provided with the trip valve on the pipeline of entry end and exit end, set up two-way control valve before the trip valve on the export pipeline, two-way control valve passes through temperature sensor and adjusts, be used for showing control to indoor temperature.

Furthermore, the temperature sensor is a bimetal temperature sensor, a thermal resistance temperature sensor, a thermistor temperature sensor or a thermocouple temperature sensor.

Furthermore, the radiant tube is a galvanized steel tube, a thermoplastic tube, an aluminum-plastic composite tube, a seamless steel tube, a copper tube and a capillary tube.

Further, the heat conducting core material is a heat conducting film, heat conducting silicone grease and a heat conducting metal plate; the heat insulation core material is rock wool, polystyrene, polyurethane and foam.

Furthermore, the heat insulation core material is rock wool, polystyrene, polyurethane and foam.

Furthermore, the airflow direction of the structure of the utility model is that the airflow enters from the air inlet along the air duct and flows out from the top air duct connector; the water flow direction is from the inlet end of the radiation pipeline to flow in and from the outlet end of the radiation pipeline.

According to the technical scheme, the radiant tube is integrated in the color steel plate, and the indoor air temperature is controlled through convection and radiation heat transfer.

Drawings

FIG. 1 is a schematic illustration of the front side of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic cross-sectional view of B-B in fig. 2.

In the figure: 101-a shut-off valve; 102-a radiant tube; 103-a thermally insulating material; 104-two-way control valve; 105-a temperature sensor; (201, 206, 207) -color steel plate; 202-a thermally conductive core material; 203-insulating core material; 204-arc chamfering; 205-air duct interface; 301-air inlet; 302-wind tunnel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the clean room air return double-wall structure with temperature control of the present invention comprises a shut-off valve 101, a radiant tube 102, a heat insulating material 103, a two-way regulating valve 104, a temperature sensor 105, an air inlet 301 and an air duct 302, wherein the air return double-wall structure is enclosed by color steel plates, heat conducting core materials 202 are filled in the color steel plates (206, 207) at the inner sides, and heat insulating core materials 203 are filled in the color steel plates at other positions, wherein the heat conducting core materials 202 can be heat conducting films, heat conducting silicone grease and heat conducting metal plates; the heat insulation core material 203 can be rock wool, polystyrene, polyurethane and foam; be equipped with air intake 301 in the various steel sheet lower part of inboard, constitute wind channel 302 between the various steel sheet of the inside and outside, the upper end in wind channel 302 is tuber pipe interface 205, interior right angle department in wind channel 302 is equipped with circular arc chamfer 204, integrated radiant tube 102 in the various steel sheet of inboard (206, 207), radiant tube 102 penetrates by the entry end, the inside various circuitous forms that adopt of the various steel sheet of inboard lay integrated back, wear out from the exit end, all set up trip valve 101 on the both ends pipeline of entry end and exit end, set up two-way control valve 104 behind the trip valve 101 of export pipeline, two-way control valve 104 passes through temperature sensor 105 and adjusts, be used for showing control to indoor temperature.

The temperature sensor of the utility model can be a bimetal temperature sensor, a thermal resistance temperature sensor, a thermistor temperature sensor and a thermocouple temperature sensor.

The radiant tube can be a galvanized steel tube, various thermoplastic tubes (such as PE-RT tubes, PE-X tubes and the like), an aluminum-plastic composite tube, a seamless steel tube, a copper tube and a capillary tube.

The heat conducting core material can be a heat conducting film, heat conducting silicone grease and a heat conducting metal plate; the heat insulation core material is rock wool, polystyrene, polyurethane and foam.

The heat insulation core material can be rock wool, polystyrene, polyurethane and foam.

The color steel plate can be various color steel plates for clean rooms; the air inlet can be any type of air inlet or hole of the clean room.

The direction of the air flow of the structure of the utility model is that the air flow enters from the air inlet and upwards along the air duct and flows out from the top air duct; the water flow direction is from the inlet end of the radiation pipeline inflow and from the outlet end of the radiation pipeline outflow.

The basic technical principle of the utility model is as follows:

the radiant tube 102 conducts cold and heat to both sides of the inner color steel plates (206, 207) through the heat conducting core material 203, and the inner color steel plates (206, 207) conduct convection and radiation heat transfer with air.

The radiant tube 102 is integrated in the inner side color steel plate, cold water is introduced in summer (the general water supply temperature is 15-20 ℃), hot water is introduced in winter (the general water supply temperature is 35-60 ℃), return air enters the air duct 302 through the air inlet 301 and conducts convection and radiation heat with the inner side color steel plate 206, meanwhile, the inner side color steel plate 207 conducts radiation heat with indoor air, and the temperature rise and temperature reduction control of the indoor air temperature is achieved through the heat transfer of the two parts.

A temperature sensor 105 is arranged indoors, the opening degree of the two-way regulating valve 104 on the radiant tube 102 is controlled through the set value of the temperature sensor 105, and further the indoor temperature is accurately controlled through controlling the water quantity in the radiant tube.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the control of the indoor air temperature is realized through the radiation tubes integrated in the color steel plates and through convection and radiation heat transfer.

Claims

1. A clean room air return double-wall structure with temperature control is characterized in that heat conducting core materials (202) are filled in inner color steel plates (206 and 207), heat insulating core materials (203) are filled in color steel plates (201) at other positions, an air inlet (301) is formed in the lower portion of the inner color steel plates, an air duct (302) is formed between the inner color steel plates and the outer color steel plates, the upper end portion of the air duct (302) is an air duct connector (205), an arc chamfer (204) is arranged at a right angle in the air duct (302), a radiant tube (102) is integrated in the inner color steel plates (206 and 207), the radiant tube (102) penetrates through from an inlet end, after the inner color steel plates are laid and integrated in various forms and penetrates out from an outlet end, stop valves (101) are arranged on pipelines at the inlet end and the outlet end, and a two-way control valve (104) is arranged in front of the outlet pipeline stop valve (101), the two-way control valve (104) is adjusted by a temperature sensor (105) and is used for displaying and controlling the indoor temperature.

2. Clean room air return double wall construction with temperature control according to claim 1, characterized in that the temperature sensor (105) is a bi-metal temperature sensor, a thermal resistance temperature sensor, a thermistor temperature sensor, a thermocouple temperature sensor.

3. The clean room air return double-wall structure with the temperature control function as claimed in claim 1, wherein the radiant tube (102) is a galvanized steel tube, a thermoplastic tube, an aluminum-plastic composite tube, a seamless steel tube, a copper tube or a capillary tube.

4. The clean room air return double-wall structure with temperature control function as claimed in claim 1, wherein the heat conducting core material (202) is a heat conducting film, a heat conducting silicone grease or a heat conducting metal plate.

5. A clean room return air double wall structure with temperature control according to claim 1, characterized in that the heat insulating core material (203) is rock wool, polystyrene, polyurethane, foam.

6. A clean room air return double-wall structure with temperature control as claimed in claim 1, characterized in that the air flow direction is from the air inlet (301) to the air channel (302) and from the top air pipe connector (205); the water flow direction is from the inlet end of the radiant tube inflow, and from the outlet end of the radiant tube outflow.