CN213350138U

CN213350138U - Simple self-cleaning type fume hood

Info

Publication number: CN213350138U
Application number: CN202022155994.8U
Authority: CN
Inventors: 吴正高
Original assignee: Tianchang Gaopeng Experiment Equipment Co ltd
Current assignee: Tianchang Gaopeng Experiment Equipment Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-06-04
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a succinct type self-purification formula fume chamber relates to laboratory paraphernalia field, to the unable self-cleaning pollutant problem of current fume chamber, now proposes following scheme, and it includes the cabinet body and guide duct, the cover that induced drafts is installed on cabinet body top, one side and the guide duct intercommunication of the cover that induced drafts, the internally mounted of guide duct has reciprocal lead screw, the top of guide duct is equipped with the air outlet, the exhaust fan leaf is installed to the upper segment of guide duct, exhaust fan leaf and reciprocal lead screw's top fixed connection, be equipped with belt cleaning device in the guide duct, the motor is installed to the bottom of guide duct, the drive shaft of motor runs through guide duct and reciprocal lead screw fixed connection, one side that the cabinet body is close to the guide duct is equipped with the water purification case, the inside of water purification case is equipped with the water. The utility model discloses novel structure, succinct, and realize the function of self-cleaning pipeline, but recycle has practiced thrift the water resource after waste water purifies moreover.

Description

Simple self-cleaning type fume hood

Technical Field

The utility model relates to a laboratory paraphernalia field especially relates to a succinct type self-purification formula fume chamber.

Background

Ventilation is to control the spread and harm of pollutants by means of ventilation dilution or ventilation removal and the like, and is a building environment control technology for realizing the quality guarantee of indoor and outdoor air environments. Cabinet type exhaust hoods are commonly known as fumehoods and are similar to enclosures. The small parts spray-painting cabinet and the chemical laboratory fume hood are typical structures of cabinet type exhaust hoods. A large-scale chamber type ventilation cabinet has a completely opened side surface, and an operator works in the cabinet and is mainly used for large-scale paint spraying, powder bagging and the like.

Current fume chamber does not have self-cleaning's function, gets rid of the in-process of pollutant in the ventilation, and the tiny granule of pollutant can be attached to the inner wall of ventilation pipe, and long-term the use can cause the corruption of ventilation pipe, if unable self-cleaning pollutant, will reduce the life of ventilation pipe, and artifical clean, need demolish the guide duct, installs after the washing is accomplished, complex operation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of succinct type self-purification formula fume chamber has solved self-cleaning pipeline problem in the fume chamber use.

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

a simple self-cleaning ventilation cabinet comprises a cabinet body and an air guide pipe, wherein an air suction cover is arranged at the top end of the cabinet body, one side of the air suction hood is communicated with the air guide pipe, a reciprocating screw rod is arranged in the air guide pipe along the length direction of the air guide pipe, the top end of the air guide pipe is provided with an air outlet, the top end of the reciprocating screw rod is fixedly provided with an exhaust fan blade, a cleaning device is arranged in the air guide pipe, a motor is arranged at the bottom end of the air guide pipe, a driving shaft of the motor penetrates through the air guide pipe and is in transmission connection with the reciprocating screw rod, a water purifying tank is arranged on one side of the cabinet body close to the air guide pipe, a water inlet is arranged on one side of the water purifying tank, the bottom of the air guide pipe is communicated with the top end of the water purifying tank through an S-shaped water pipe, a water pump is arranged in the water purifying tank, the water pump is connected with one end of a return pipe, and the other end of the return pipe is connected with a cleaning device in the air guide pipe.

Preferably, the cleaning device comprises a sprayer, a threaded sleeve and a brush; the inner wall of the upper section of the air guide pipe is provided with a sprayer, the sprayer is positioned below the exhaust fan blades, the reciprocating screw rod is sleeved with a threaded sleeve, a supporting frame is fixedly installed on the periphery of the threaded sleeve, brushes which are uniformly distributed are installed on the outer side of the supporting frame, the brushes are in contact with the inner wall of the air guide pipe, a limiting slide block is arranged on the outer side of the supporting frame, a sliding groove matched with the limiting slide block is formed in the inner wall of the air guide pipe along the length direction of the inner wall of the air guide pipe, and the limiting slide block is slidably installed in the.

Preferably, the inner wall of the sprayer is uniformly provided with atomizing nozzles which are communicated with the inner cavity of the sprayer.

Preferably, a filter plate is horizontally arranged in the middle section of the water purifying tank.

Preferably, the bottom of the air guide pipe is inclined, and a water outlet communicated with the S-shaped water pipe is formed in the lowest point of the bottom end of the air guide pipe.

The utility model has the advantages that:

1. the fan in the air guide pipe enhances the exhaust effect of the pipeline and the air suction cover, the reciprocating screw rod rotates, the brush on the threaded sleeve moves up and down along the inside, so that the air guide pipe can automatically clean tiny particles attached to the surface of the inner wall of the pipeline, the corrosion condition of the pipeline is reduced, and the service life of the air guide pipe is prolonged.

2. The waste water of washing pipeline flows to the water purification case through the action of gravity and the removal flow direction of brush, after filtering through the filter, supplies to the sprinkler through the water pump, recycles, has practiced thrift the water resource.

In conclusion, the ventilating hood is simple in structure, the sprayer sprays water to the inner wall of the air guide pipe, the brush moves up and down to scrub the inner wall of the pipeline, the function of automatically cleaning the pipeline is achieved, the corrosion condition of the pipeline is reduced, waste water can be supplied to the sprayer again after flowing into the water purification tank for purification, and water resources are saved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of A of the present invention;

fig. 3 is a cross-sectional view of the sprinkler of the present invention.

Reference numbers in the figures: 1. a cabinet body; 2. an air suction hood; 3. an air guide pipe; 4. a motor; 5. a reciprocating screw rod; 6. an exhaust fan blade; 7. a water purifying tank; 8. a water inlet; 9. a water pump; 10. an S-shaped water pipe; 11. a return pipe; 12. a filter plate; 13. a sprinkler; 14. a threaded sleeve; 15. a brush; 16. a support frame; 17. an air outlet; 18. a chute; 19. and a limiting sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, comprising a cabinet body 1 and a wind guiding pipe 3, wherein the top end of the cabinet body 1 is provided with a wind suction hood 2, one side of the wind suction hood 2 is communicated with the wind guiding pipe 3, the inside of the wind guiding pipe 3 is provided with a reciprocating screw rod 5 along the length direction thereof, the top end of the wind guiding pipe 3 is provided with an air outlet 17, the top end of the reciprocating screw rod 5 is fixedly provided with a exhaust fan blade 6, the wind guiding pipe 3 is internally provided with a cleaning device, the bottom end of the wind guiding pipe 3 is provided with a motor 4, a driving shaft of the motor 4 penetrates through the wind guiding pipe 3 to be in transmission connection with the reciprocating screw rod 5, one side of the cabinet body 1 close to the wind guiding pipe 3 is provided with a water inlet 7, one side of the water inlet 7 is provided with a water inlet 8, the bottom of the wind guiding pipe 3 is communicated with the top end of the water purifying tank 7 with an S-, the bottom of the air guide pipe 3 is inclined, and the lowest point of the bottom end of the air guide pipe 3 is provided with a water outlet communicated with the S-shaped water pipe 10.

Referring to fig. 2 and 3, the cleaning device includes a sprayer 13, a threaded sleeve 14, and a brush 15; the inner wall of the upper section of the air guide pipe 3 is provided with a sprayer 13, the sprayer 13 is positioned below the exhaust fan blade 6, the reciprocating screw rod 5 is sleeved with a threaded sleeve 14, the periphery of the threaded sleeve 14 is fixedly provided with a supporting frame 16, the outer side of the supporting frame 16 is provided with uniformly distributed brushes 15, the brushes 15 are in contact with the inner wall of the air guide pipe 3, the outer side of the supporting frame 16 is provided with a limit slider 19, the inner wall of the air guide pipe 3 is provided with a sliding groove 18 matched with the limit slider 19 along the length direction of the inner wall, the limit slider 19 is slidably arranged in the sliding groove 18, the inner wall of the sprayer 13 is uniformly provided with an atomizing nozzle, and the.

Pollutant flows into air guide pipe 3 through the suction hood, motor 4 drives reciprocal lead screw 5 to rotate and drives exhaust fan leaf 6 to rotate, the pollutant flows to air outlet 17 through exhaust fan leaf 6 effect once more and discharges, limit slide 19 avoids threaded sleeve 14 and reciprocal lead screw 5 coaxial rotation, reciprocal lead screw 5 rotates and drives threaded sleeve 14 and reciprocates, make brush 15 reciprocate along the inner wall of air guide pipe 3, the running water gets into water purification case 7 simultaneously, supply with sprinkler 13 by water pump 9, sprinkler 13 evenly sprays the running water to 3 inner walls of air guide pipe, flow into water purification case 7 through gravity and brush 15 effect, water after the filtration can recycle once more.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A simple self-cleaning ventilation cabinet comprises a cabinet body (1) and an air guide pipe (3), and is characterized in that an air suction cover (2) is installed at the top end of the cabinet body (1), one side of the air suction cover (2) is communicated with the air guide pipe (3), a reciprocating screw rod (5) is installed inside the air guide pipe (3) along the length direction of the air guide pipe, an air outlet (17) is formed in the top end of the air guide pipe (3), a fan exhaust blade (6) is fixedly installed at the top end of the reciprocating screw rod (5), a cleaning device is arranged in the air guide pipe (3), a motor (4) is installed at the bottom end of the air guide pipe (3), a driving shaft of the motor (4) penetrates through the air guide pipe (3) to be in transmission connection with the reciprocating screw rod (5), a water purifying tank (7) is arranged on one side, close to the air guide pipe (3), of the cabinet body (1), the bottom of the air guide pipe (3) is communicated with the top end of the water purification tank (7) through an S-shaped water pipe (10), a water pump (9) is arranged inside the water purification tank (7), the water pump (9) is connected with one end of a return pipe (11), and the other end of the return pipe (11) is connected with a cleaning device in the air guide pipe (3).

2. A compact self-cleaning fumehood according to claim 1 wherein said cleaning means comprises a sprayer (13), a threaded sleeve (14) and brushes (15); the fan blade structure is characterized in that a sprayer (13) is installed on the inner wall of the upper section of the air guide pipe (3), the sprayer (13) is located below the fan blade (6), a threaded sleeve (14) is sleeved on the reciprocating screw rod (5), a supporting frame (16) is fixedly installed on the periphery of the threaded sleeve (14), brushes (15) which are uniformly distributed are installed on the outer side of the supporting frame (16), the brushes (15) are in contact with the inner wall of the air guide pipe (3), a limiting slide block (19) is arranged on the outer side of the supporting frame (16), a sliding groove (18) matched with the limiting slide block (19) is formed in the inner wall of the air guide pipe (3) along the length direction of the inner wall, and the limiting slide block (19) is slidably installed in the sliding.

3. The compact self-cleaning fume hood according to claim 2, characterized in that the inner wall of the sprinkler (13) is uniformly installed with atomizer heads, which communicate with the inner cavity of the sprinkler (13).

4. A compact self-cleaning ventilation hood according to claim 1, characterized in that the middle section of the clean water tank (7) is horizontally provided with a filter plate (12).

5. The simple self-cleaning ventilation cabinet according to claim 1, wherein the bottom of the air duct (3) is inclined, and a water outlet is formed at the lowest point of the bottom end of the air duct (3) and communicated with the S-shaped water pipe (10).