Clean room air circulation device with drying function

Abstract

The clean room air circulation device with the drying function comprises an air inlet and an air outlet, a circulation pipe is arranged between the air inlet and the air outlet, an air conveying assembly is arranged in one end of the circulation pipe, a clean room body is arranged at the bottom of the air conveying assembly, and the air inlet and the air outlet are communicated. The air inlet and the air outlet are formed in the top end of the clean room body; a fixing mechanism is arranged at the bottom of the air inlet, and a filtering assembly is arranged in the top end of the circulating pipe. Wherein the fixing mechanism comprises a mounting frame arranged at the bottom end of the air inlet, and a filter screen is mounted in the bottom end of the mounting frame, so that the effect of quickly mounting and dismounting the mounting frame can be achieved, the effects of conveniently replacing and regenerating the filter screen and an activated carbon filter plate by a worker and the like can be achieved, and the daily maintenance efficiency of the device can be greatly improved; the problem that the dust collection circulating device cannot be effectively used due to long-time use failure of the filtering structure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to clean room technical field, concretely is a clean room air circulation device with drying function. BACKGROUND

[0002] Clean workshop is also called dustless workshop and clean room, which is a room specially designed to exclude the pollutants such as micro-particles, harmful air and bacteria in the air within a certain space, and to control the temperature, cleanliness, indoor pressure, air flow velocity and distribution, noise and vibration, lighting and static electricity within a certain range.

[0003] The patent No. CN210434168U discloses a dust suction circulation device for clean room, which can preliminarily filter the air through the activated carbon filter plate installed on the air outlet filter plate, and can perform secondary filtration through the multi-layer filter cotton installed in the circulation pipe. The air filtered twice flows into the clean room through the through holes of the laminar flow plate, so that the air forms a circulation and does not greatly affect the air pressure in the clean room. When the filter cotton needs to be replaced, the movable pressing plate can be opened. When the activated carbon filter plate needs to be replaced, the activated carbon filter plate can be taken out from the air outlet filter plate for replacement. However, the patent still has the following problems in actual use:

[0004] The device can suction the air in the clean room through the fan. The air in the clean room is preliminarily filtered through the activated carbon filter plate installed on the air outlet filter plate, and then enters the circulation pipe and is subjected to secondary filtration through the multi-layer filter cotton installed in the circulation pipe. However, the device does not have the effect of quickly installing and dismounting the air outlet filter plate, which causes inconvenience to the staff when cleaning and maintaining the filter structure, cannot effectively improve the daily maintenance efficiency of the dust suction circulation device, and brings inconvenience to the staff during use.

[0005] The present application provides a clean room air circulation device with drying function to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model discloses a clean room air circulation device with drying function to solve the above-mentioned problems in the background art. The air in the clean room is preliminarily filtered through the activated carbon filter plate installed on the air outlet filter plate, and then enters the circulation pipe and is subjected to secondary filtration through the multi-layer filter cotton installed in the circulation pipe. However, the device does not have the effect of quickly installing and dismounting the air outlet filter plate, which causes inconvenience to the staff when cleaning and maintaining the filter structure, cannot effectively improve the daily maintenance efficiency of the dust suction circulation device, and brings inconvenience to the staff during use.

[0007] To achieve the above object, the utility model provides following technical scheme: A clean room air circulation device with drying function, including air inlet and air outlet, be provided with circulation pipe between air inlet and air outlet, and the inside of one end of circulation pipe is provided with air feed component, and the bottom of air feed component is provided with clean room body, and air inlet and air outlet are all arranged in the inside of clean room body top end, the bottom of air inlet is provided with fixed mechanism, and the inside of circulation pipe top end is provided with filter component,

[0008] Among them, the fixed mechanism includes the installation frame of air inlet bottom end, and the inside of installation frame bottom end is installed with filter screen, and the inside of installation frame is provided with activated carbon filter plate, and the inside of installation frame top end is installed with plug -in frame, and plug -in frame is inserted between the inside of air inlet, and the outside of installation frame is installed with connecting frame, and the side of clean room body top end close to air inlet is installed with square plate, and the inside of connecting frame is all installed with fixed box, and the inside of one end of fixed box is slidably connected with moving frame, and the one end of moving frame is installed with moving plate, and the one side of moving plate is all installed with plug -in block, and plug -in block is inserted between the recess of square plate outside, and the both ends of moving frame outside are symmetrically sleeved with first telescopic spring, and the inside of fixed box is symmetrically provided with limit slot, and the side of moving plate is installed with connecting plate, and the inside of connecting plate is installed with limit rod, and the both ends of limit rod are slidably connected in the inside of limit slot.

[0009] Preferably, the inside of the bottom end of the square plate is symmetrically installed with a fixed tube, and the inside of the bottom end of the fixed tube is slidably connected with an extrusion rod, and the inside of the fixed tube is provided with a second telescopic spring, and the bottom end of the extrusion rod is installed with an extrusion block.

[0010] Preferably, the filter component includes a fixed plate provided at the top end of the circulation pipe, and filter cotton is provided between the fixed plate and the inside of the circulation pipe, and limit boxes are symmetrically installed at the top end of the circulation pipe, and a limit frame is installed at one side of the limit box, and a screw rod is rotatably connected between the limit box and the limit frame, and a rotating rod is rotatably connected at one end of the limit box, and a first rotating tooth is installed at one end of the rotating rod, and a second rotating tooth is installed at one end of the screw rod, and a push plate is slidably connected in the inside of the limit frame, and a threaded tube is installed at one side of the push plate, and one end of the screw rod is threadedly connected in the inside of the threaded tube, and positioning blocks are installed at one side of the push plate, and positioning grooves are symmetrically provided at both sides of the fixed plate, and the positioning blocks are inserted in the positioning grooves.

[0011] Preferably, a gas frame is installed at one side of the bottom end of the fixed plate, and a conical mesh tube is installed in the inside of the gas frame, and a drying agent is filled between the gas frame and the conical mesh tube, and the gas frame is inserted in the inside of the top end of the circulation pipe.

[0012] Preferably, the push plate and the limiting box are symmetrically installed with a contraction rod, and the outer side of the contraction rod is sleeved with a third telescopic spring.

[0013] Preferably, the first rotating tooth and the second rotating tooth are in meshing connection.

[0014] Preferably, the square plate is inserted between the top end inside of the connecting frame.

[0015] Compared with the prior art, the beneficial effects of the clean room air circulation device with drying function are as follows: through the staff pulling a plurality of moving frames to slide in the fixed box, the moving frame drives the moving plate to slide in the fixed box, the first telescopic spring is contracted, the moving plate drives the connecting plate to move, the movement of the connecting plate drives the limiting rod to slide in the limiting groove, through the extension reset property of the first telescopic spring, the moving plate can be quickly moved and reset, a plurality of plug blocks and the square plate outside groove are inserted, so that the effect of quickly installing and dismounting the mounting frame is realized, the staff can conveniently replace and regenerate the filter screen and the activated carbon filter plate, the device daily maintenance efficiency is greatly improved, the filter structure is prevented from being invalid due to long-time use, and the dust collection circulation device cannot be effectively used, the filter cotton and the air frame are installed at the bottom end of the fixed plate by the staff, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, the rotation of the second rotating tooth drives the rotation of the screw rod, the rotation of the screw rod drives the push plate to slide in the limiting frame, a plurality of positioning blocks and the positioning groove are inserted, so that the effect of quickly fixing the limiting fixed plate is realized, the staff can conveniently quickly replace the filter cotton and the drying agent, the filter structure maintenance flexibility is greatly improved, the drying agent can effectively adsorb the moisture in the gas, so that the air dehumidification and the clean room body dryness keeping effect are realized, the drying agent does not significantly increase the room temperature, and therefore has good compatibility with the temperature control system of the clean room body.

[0016] 1. Through the staff inserts the frame into the air inlet top end, at this time the connecting frame is sleeved on the outside of the square plate, and then the staff pulls a plurality of groups of moving frames to slide in the fixed box, at this time the moving frame drives the moving plate to slide in the fixed box, at this time the first telescopic spring is contracted, at this time the moving plate drives the connecting plate to move, the movement of the connecting plate drives the limiting rod to slide in the limiting groove, by loosening the moving frame, and then through the extension reset of the first telescopic spring, the moving plate can be quickly moved and reset, and then a plurality of groups of plug blocks are inserted with the grooves on the outside of the square plate, so that the effect of quickly installing and disassembling the installation frame can be realized, and then the staff can conveniently replace and regenerate the filter screen and the activated carbon filter plate, so that the daily maintenance efficiency of the device can be greatly improved, the filter structure is prevented from being invalidated after long-term use, the dust collection circulating device cannot be effectively used, convenience is brought to the staff during use, when the connecting frame is sleeved on the outside of the square plate, at this time the inside of the connecting frame extrudes the extrusion block, at this time the extrusion rod slides in the fixed pipe, at this time the second telescopic spring is contracted, when the connecting frame is separated from the square plate, at this time the second telescopic spring quickly extends to generate tension, so as to assist in disassembling the connecting frame, and then the disassembly efficiency of the filter screen and the activated carbon filter plate can be greatly improved, and practicality is brought to the staff during use;

[0017] 2. Through the staff installs the filter cotton and the gas frame on the bottom end of the fixed plate, when the bottom end of the fixed plate is attached to the circulating pipe, at this time the filter cotton and the gas frame are inserted into the top end of the circulating pipe, then the staff rotates the rotating rod to drive the rotation of the first rotating tooth, the rotation of the first rotating tooth drives the rotation of the second rotating tooth, the rotation of the second rotating tooth drives the rotation of the screw rod, since one end of the screw rod is threadedly connected in the threaded pipe, so that the rotation of the screw rod drives the sliding of the push plate in the limiting frame, at this time the third telescopic spring and the contraction rod are extended and reset, at this time a plurality of groups of positioning blocks are inserted with the positioning grooves, so that the effect of quickly fixing the limiting fixed plate can be realized, and then the staff can conveniently replace the filter cotton and the desiccant, so that the maintenance flexibility of the filter structure can be greatly improved, and convenience is brought to the staff during use, when the gas flows in the circulating pipe, at this time the airflow passes through the gas frame and the conical mesh cylinder and is discharged, at this time the desiccant can effectively adsorb the moisture in the gas, so as to realize the effects of dehumidification of the air and keeping the clean room body dry, and the desiccant does not significantly increase the temperature of the room, so it has good compatibility with the temperature control system of the clean room body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a whole structure schematic view of the fixed mechanism in the utility model;

[0020] Figure 3 It is the enlarged structural schematic view of part A in the utility model;

[0021] Figure 4 It is the enlarged structural schematic view of the whole fixed box in the utility model;

[0022] Figure 5 It is the whole structural schematic view of the filter assembly in the utility model;

[0023] Figure 6 It is the enlarged structural schematic view of part B in the utility model;

[0024] Figure 7 It is the whole lower view structural schematic view of the fixing mechanism in the utility model.

[0025] In the drawing: 1, air inlet; 101, air outlet; 102, circulating pipe; 103, air conveying assembly; 104, clean room body; 2, fixing mechanism; 201, mounting frame; 202, filter screen; 203, activated carbon filter plate; 204, insertion frame; 205, connecting frame; 206, square plate; 207, fixed box; 208, moving frame; 209, moving plate; 210, insertion block; 211, first telescopic spring; 212, limiting groove; 213, connecting plate; 214, limiting rod; 215, fixed pipe; 216, extrusion rod; 217, second telescopic spring; 218, extrusion block; 3, filter assembly; 301, fixed plate; 302, filter cotton; 303, limiting box; 304, limiting frame; 305, screw rod; 306, rotating rod; 307, first rotating tooth; 308, second rotating tooth; 309, push plate; 310, threaded pipe; 311, positioning block; 312, positioning groove; 313, air frame; 314, conical mesh cylinder; 315, drying agent; 316, contraction rod; 317, third telescopic spring. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-7The utility model provides technical scheme: a clean room air circulation device with drying function, including air intake 1 and air outlet 101, be provided with circulation pipe 102 between air intake 1 and air outlet 101, and the inside of one end of circulation pipe 102 is provided with wind delivery assembly 103, and the bottom of wind delivery assembly 103 is provided with clean room body 104, and air intake 1 and air outlet 101 are all arranged in the inside of clean room body 104 top end, the bottom of air intake 1 is provided with fixed mechanism 2, and the inside of the top end of circulation pipe 102 is provided with filter assembly 3,

[0028] Wherein, fixed mechanism 2 includes the installation frame 201 of setting in the bottom end of air intake 1, and the bottom end inside of installation frame 201 is installed with filter screen 202, and the inside of installation frame 201 is provided with activated carbon filter plate 203, and the inside of the top end of installation frame 201 is installed with plug-in frame 204, and plug-in frame 204 is inserted between the inside of air intake 1, and the outside of installation frame 201 is installed with connecting frame 205, and the top end of clean room body 104 is installed with square plate 206 on the side close to air intake 1, square plate 206 is inserted between the inside of connecting frame 205 top end, and the inside of connecting frame 205 is all installed with fixed box 207 symmetrically, and one end inside of fixed box 207 is slidably connected with moving frame 208, and the one end of moving frame 208 is installed with moving plate 209, and the one side of moving plate 209 is all installed with plug-in block 210, and plug-in block 210 is inserted between the recess of square plate 206 outside, and the both ends outside of moving frame 208 is symmetrically sleeved with first extension spring 211, and the inside of fixed box 207 is symmetrically provided with limiting slot 212, and the one side of moving plate 209 is installed with connecting plate 213, and the inside of connecting plate 213 is installed with limiting rod 214, and the both ends of limiting rod 214 are slidably connected in the inside of limiting slot 212, so that the effect of quick installation and disassembly installation frame 201 can be realized, and then the effect that staff can replace and regenerate filter screen 202 and activated carbon filter plate 203 conveniently can be realized, so that the device daily maintenance efficiency can be greatly improved, the dust absorption circulation device can not be effectively used due to the failure of filter structure long-time use, and staff is convenient when using,

[0029] The bottom end of the square plate 206 is symmetrically provided with a fixed tube 215, the bottom end of the fixed tube 215 is slidably connected with an extrusion rod 216, the inside of the fixed tube 215 is provided with a second expansion spring 217, the bottom end of the extrusion rod 216 is provided with an extrusion block 218, when the connecting frame 205 is sleeved on the outside of the square plate 206, the inside of the connecting frame 205 extrudes the extrusion block 218, the extrusion rod 216 slides in the inside of the fixed tube 215, the second expansion spring 217 is contracted, when the connecting frame 205 is separated from the square plate 206, the second expansion spring 217 is quickly stretched to generate tension, thereby assisting the disassembly of the connecting frame 205, and greatly improving the disassembly efficiency of the filter screen 202 and the activated carbon filter plate 203, and bringing practicality to the staff in use.

[0030] The filtering assembly 3 comprises a fixed plate 301 arranged at the top end of the circulating pipe 102, and the fixed plate 301 and the inside of the circulating pipe 102 are both provided with filter cotton 302, and the top end of the circulating pipe 102 is symmetrically provided with a limiting box 303, one side of the limiting box 303 is provided with a limiting frame 304, the limiting box 303 and the limiting frame 304 are rotatably connected with a screw rod 305, one end of the limiting box 303 is rotatably connected with a rotating rod 306, one end of the rotating rod 306 is provided with a first rotating tooth 307, one end of the screw rod 305 is provided with a second rotating tooth 308 outside, the first rotating tooth 307 and the second rotating tooth 308 are meshed and connected, the inside of the limiting frame 304 is slidably connected with a push plate 309, one side of the push plate 309 is provided with a threaded pipe 310, one end of the screw rod 305 is screw-connected in the inside of the threaded pipe 310, one side of the push plate 309 is provided with a positioning block 311, both sides of the fixed plate 301 are symmetrically provided with a positioning groove 312, and the positioning block 311 is inserted into the positioning groove 312, so that the fixed plate 301 can be quickly fixed and limited, and the filter cotton 302 and the drying agent 315 can be quickly replaced by the staff, thereby greatly improving the maintenance flexibility of the filtering structure, and bringing convenience to the staff during use, one side of the bottom end of the fixed plate 301 is provided with an air frame 313, the inside of the air frame 313 is provided with a conical mesh cylinder 314, the air frame 313 and the conical mesh cylinder 314 are filled with a drying agent 315, and the air frame 313 and the inside of the top end of the circulating pipe 102 are inserted, when the gas flows in the circulating pipe 102, the airflow passes through the air frame 313 and the conical mesh cylinder 314 to be discharged, the drying agent 315 can effectively absorb the moisture in the gas, so as to realize the effects of dehumidification of the air and keeping the clean room body 104 dry, the drying agent 315 will not significantly increase the temperature of the room, and therefore has good compatibility with the temperature control system of the clean room body 104, bringing convenience to the staff during use, the push plate 309 and the limiting box 303 are symmetrically provided with a contraction rod 316, and the outside of the contraction rod 316 is sleeved with a third extension spring 317, through the design of the contraction rod 316 and the third extension spring 317, the tension generated by the third extension spring 317 can be utilized, so that the push plate 309 can be installed more stably.

[0031] Working principle: before using the clean room air circulation device with drying function, the overall situation of the device needs to be checked to determine whether it can work normally, according to Figure 1 Figure 7 ​As shown, the worker inserts the plug-in frame 204 into the top end of the air inlet 1, at this time the connecting frame 205 is sleeved outside the square plate 206, and then the worker pulls the plurality of moving frames 208 to slide in the fixed box 207, at this time the moving frame 208 drives the moving plate 209 to slide in the fixed box 207, at this time the first extension spring 211 is contracted, at this time the moving plate 209 drives the connecting plate 213 to move, the movement of the connecting plate 213 drives the limiting rod 214 to slide in the limiting groove 212, by loosening the moving frame 208, and then by the extension reset property of the first extension spring 211, the moving plate 209 can be quickly moved and reset, and then a plurality of plug-in blocks 210 are inserted with the recesses outside the square plate 206, so that the installation frame 201 can be quickly installed and disassembled, and the filter screen 202 and the activated carbon filter plate 203 can be conveniently replaced and regenerated, thereby greatly improving the daily maintenance efficiency of the device, avoiding the failure of the dust collection circulating device due to the long-time use of the filter structure, and bringing convenience to the worker during use. When the connecting frame 205 is sleeved outside the square plate 206, the inside of the connecting frame 205 extrudes the extrusion block 218 at this time, the extrusion rod 216 slides in the fixed tube 215, the second extension spring 217 is contracted at this time, and when the connecting frame 205 is separated from the square plate 206, the second extension spring 217 quickly extends to generate tension, thereby assisting the disassembly of the connecting frame 205, and thereby greatly improving the disassembly efficiency of the filter screen 202 and the activated carbon filter plate 203, and bringing practicality to the worker during use.

[0032] When the bottom end of the fixed plate 301 is attached to the circulating pipe 102, the filter cotton 302 and the air frame 313 are inserted into the top end of the circulating pipe 102, then the worker rotates the rotating rod 306 to drive the rotation of the first rotating tooth 307, the rotation of the first rotating tooth 307 drives the rotation of the second rotating tooth 308, and the rotation of the second rotating tooth 308 drives the rotation of the screw rod 305. One end of the screw rod 305 is connected in the threaded pipe 310, so that the rotation of the screw rod 305 drives the sliding of the push plate 309 in the limiting frame 304, at this time the third extension spring 317 and the contraction rod 316 are reset, at this time the plurality of positioning blocks 311 are inserted between the positioning grooves 312, so that the effect of quickly fixing the limiting fixed plate 301 can be achieved, and the worker can quickly replace the filter cotton 302 and the drying agent 315, thereby greatly improving the maintenance flexibility of the filtering structure, and bringing convenience to the worker during use. When the gas flows in the circulating pipe 102, the airflow passes through the air frame 313 and the conical mesh cylinder 314 to be discharged, at this time the drying agent 315 can effectively absorb the moisture in the gas, thereby realizing the effects of dehumidification and cleaning of the clean room body 104. The drying agent 315 will not significantly increase the temperature of the room, so it has good compatibility with the temperature control system of the clean room body 104, and brings convenience to the worker during use. Through the design of the contraction rod 316 and the third extension spring 317, the tension generated by the third extension spring 317 can be utilized to make the installation of the push plate 309 more stable.

[0033] The air inlet 1, the air outlet 101, the circulating pipe 102, the air conveying assembly 103 and the clean room body 104 are prior art, and the publication number CN210434168U discloses a dust suction circulating device for a clean room. The device used herein will not be described in detail.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A clean room air circulation device with drying function, comprising an air inlet (1) and an air outlet (101), a circulation pipe (102) is arranged between the air inlet (1) and the air outlet (101), an air feeding assembly (103) is arranged inside one end of the circulation pipe (102), a clean room body (104) is arranged at the bottom of the air feeding assembly (103), and the air inlet (1) and the air outlet (101) are arranged inside the top end of the clean room body (104); characterized in that Further comprising: A fixing mechanism (2) is arranged at the bottom of the air inlet (1), and a filter assembly (3) is arranged inside the top end of the circulation pipe (102); The fixing mechanism (2) comprises a mounting frame (201) arranged at the bottom end of the air inlet (1), a filter screen (202) is mounted inside the bottom end of the mounting frame (201), an activated carbon filter plate (203) is arranged inside the mounting frame (201), an insertion frame (204) is mounted inside the top end of the mounting frame (201), the insertion frame (204) is inserted into the air inlet (1), a connecting frame (205) is mounted outside the mounting frame (201), a square plate (206) is mounted on the side of the top end of the clean room body (104) close to the air inlet (1), a fixing box (207) is symmetrically mounted inside the connecting frame (205), a moving frame (208) is slidably connected inside one end of the fixing box (207), a moving plate (209) is mounted at one end of the moving frame (208), an insertion block (210) is mounted on one side of the moving plate (209), the insertion block (210) is inserted into the recess outside the square plate (206), first extension springs (211) are symmetrically sleeved outside the two ends of the moving frame (208), limit grooves (212) are symmetrically formed in the inner side of the fixing box (207), a connecting plate (213) is mounted on one side of the moving plate (209), a limiting rod (214) is mounted inside the connecting plate (213), and the limiting rod (214) is slidably connected inside the limit grooves (212).

2. The clean room air circulating device with a drying function according to claim 1, characterized in that: A fixing pipe (215) is symmetrically mounted inside the bottom end of the square plate (206), an extrusion rod (216) is slidably connected inside the bottom end of the fixing pipe (215), a second extension spring (217) is arranged inside the fixing pipe (215), and an extrusion block (218) is mounted at the bottom end of the extrusion rod (216).

3. The clean room air circulating device with drying function according to claim 1, characterized in that: The filtering assembly (3) comprises a fixed plate (301) arranged at the top end of the circulating pipe (102), and the fixed plate (301) and the inside of the circulating pipe (102) are both provided with filter cotton (302), and the top end of the circulating pipe (102) is symmetrically provided with a limiting box (303), one side of the limiting box (303) is provided with a limiting frame (304), the limiting box (303) and the limiting frame (304) are rotatably connected with a screw rod (305), one end of the limiting box (303) is rotatably connected with a rotating rod (306), one end of the rotating rod (306) is provided with a first rotating tooth (307), one end of the screw rod (305) is provided with a second rotating tooth (308) on the outside, the inside of the limiting frame (304) is slidably connected with a push plate (309), one side of the push plate (309) is provided with a threaded pipe (310), one end of the screw rod (305) is screw-connected in the threaded pipe (310), one side of the push plate (309) is provided with a positioning block (311), both sides of the fixed plate (301) are symmetrically provided with a positioning groove (312), and the positioning block (311) is inserted into the positioning groove (312).

4. The clean room air circulating device with drying function according to claim 3, characterized in that: The bottom end of the fixed plate (301) is provided with an air frame (313), the inside of the air frame (313) is provided with a conical mesh tube (314), the air frame (313) and the conical mesh tube (314) are filled with a drying agent (315), and the air frame (313) and the inside of the top end of the circulating pipe (102) are inserted.

5. The clean room air circulating device with drying function according to claim 3, characterized in that: The push plate (309) and the limiting box (303) are symmetrically provided with a contraction rod (316), and the outside of the contraction rod (316) is sleeved with a third telescopic spring (317).

6. The clean room air circulating device with drying function according to claim 3, characterized in that: The first rotating tooth (307) and the second rotating tooth (308) are meshedly connected.

7. The clean room air circulating device with drying function according to claim 1, characterized in that: The square plate (206) and the inside of the top end of the connecting frame (205) are inserted.

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