CN112228980B

CN112228980B - Air purification device for dust-free room

Info

Publication number: CN112228980B
Application number: CN202011119758.9A
Authority: CN
Inventors: 钟彦辉; 吴静斌
Original assignee: Shenzhen Yaldian Environmental Technology Co ltd
Current assignee: Shenzhen Yaldian Environmental Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2023-04-07
Anticipated expiration: 2040-10-19
Also published as: CN112228980A

Abstract

The invention discloses an air purification device for a dust free chamber, which relates to the technical field of dust free chamber equipment and comprises an air inlet main pipe, wherein one end of an air inlet bent pipe, which is far away from the air inlet main pipe, is fixedly connected with an air inlet dust removal pipe; the loss of filter media, and can realize the change to the filter media under the filterable condition of incessant non return gas, guarantee filtration's continuous operation, the filter effect is good.

Description

Air purification device for dust-free room

Technical Field

The invention relates to the technical field of clean room equipment, in particular to an air purification device for a clean room.

Background

The dust-free room is a basis for pollution control, and is used for controlling the concentration of suspended particles in air so as to achieve a proper particle cleanliness level, wherein the dust-free room is a specially designed room by removing pollutants such as particles, harmful air, bacteria and the like in the air within a certain space range and controlling the indoor temperature, cleanliness, indoor pressure, air flow velocity and air flow distribution, noise vibration and illumination and static electricity within a certain required range.

The Chinese invention patent document with the publication number of CN108507024A discloses an air purification device for a dust-free room, which adopts a design of air feeding and air returning integration, reduces the use of an extra pipeline, can recycle air in the dust-free room, avoids the waste of clean air flow, is energy-saving and environment-friendly, can effectively purify air, improves the air quality in the dust-free room, is arranged at the top of the dust-free room through an installation plate, facilitates the entering of external air and the backflow of internal air, enables the indoor air to flow circularly, enables the air to uniformly enter through a plurality of air guide pipes arranged in an inner cavity of an air outlet pipe, reduces the air flow rate, enables the filtration to be more thorough, can effectively purify air through a high-efficiency filter and an active carbon filter layer arranged in an air exhaust pipe, enables the air to be cleaner and fresher, is communicated with an air inlet pipe through an air exchange pipe, and is provided with a one-way valve at the top of the air exchange pipe, can prevent the backflow of the indoor air, but when the device is used, when a filter material is replaced, the air filtration is required to be stopped, the continuous air filtration cannot be realized, and the improvement is further realized.

Disclosure of Invention

The present invention provides an air cleaning apparatus for a clean room, which solves the problems of the background art mentioned above.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an air purification device for dust free chamber, be responsible for including the air inlet, the one end fixed connection air inlet return bend that the air inlet was responsible for, the one end fixed connection air inlet dust removal pipe that the air inlet was responsible for is kept away from to the air inlet return bend, fixed connection support column between air inlet dust removal pipe and the air inlet were responsible for, be equipped with air inlet dust removal mechanism in the air inlet dust removal pipe, the bottom fixed connection slow flow case of air inlet dust removal pipe, be equipped with the slow flow ware in the slow flow incasement, one side fixed connection circulating fan of slow flow case, circulating fan's output fixed connection exhaust column, fixed connection filter tube is still gone to one side of slow flow case, be equipped with return air filter mechanism in the filter tube, the bottom one end fixed connection return air pipe of filter tube.

As a preferred technical scheme of the invention, the air inlet dust removal mechanism comprises an upper baffle and a lower baffle which are respectively and fixedly arranged at the top end and the bottom end in the air inlet dust removal pipe, and the bottom end in the air inlet dust removal pipe is provided with a dust removal device.

As a preferable technical scheme of the invention, the upper baffle plate and the lower baffle plate are obliquely arranged, and anti-bonding and anti-static coatings are sprayed on the outer parts of the upper baffle plate and the lower baffle plate.

As a preferable technical scheme of the invention, the dust removal device comprises a drawing plate, the drawing plate penetrates through a plurality of lower blocking pieces, a dust collection groove is formed in the top of the drawing plate, a parting bead is fixedly connected in the dust collection groove, an opening is formed in the dust collection groove on one side of the parting bead, an opening is formed in the dust collection groove on the other side of the parting bead of the electrostatic adsorption plate, a dust filter screen plate is arranged in the opening, the end part of the drawing plate is fixedly connected with a second handle, and a drawing opening corresponding to the drawing plate and the second handle is formed in the end part of the air inlet dust removal pipe.

As a preferred technical solution of the present invention, the flow damper is fixedly disposed at an opening at the bottom of the dust collecting groove, a plurality of baffles are disposed in the flow damper, and the plurality of baffles cooperate to form a curved air passage.

As a preferred technical scheme of the invention, the return air filtering mechanism comprises a first inner rotating pipe which is rotatably connected in the filtering pipe, a second inner rotating pipe is coaxially arranged in the first inner rotating pipe, a plurality of groups of isolating and ventilating mechanisms are fixedly connected between the first inner rotating pipe and the second inner rotating pipe, each group of isolating and ventilating mechanisms comprises two isolating groups which are symmetrically arranged corresponding to the axis of the second inner rotating pipe, each isolating group comprises two partition plates, a filtering cavity is arranged between the two partition plates, an arc-shaped filtering net piece is arranged in the filtering cavity, and one end of the filtering cavity in one isolating group of each group of isolating and ventilating mechanisms is provided with an air return opening.

As a preferred technical scheme of the invention, an annular groove is formed in the second inner rotating pipe, an inner fixing pipe is rotationally arranged in the annular groove, the inner fixing pipe is coaxially and fixedly connected with the filtering pipe, second ventilation openings are formed in the top end and the bottom end of the inner fixing pipe, and a plurality of first ventilation openings communicated with the filtering cavity are formed in the second rotating pipe.

As a preferred technical scheme of the invention, the side edge of the partition plate is fixedly provided with a clamping seat corresponding to the arc-shaped filter net sheet.

As a preferable technical scheme of the invention, a maintenance and replacement port is formed at the end part of the filter pipe, an end cover is arranged in the maintenance and replacement port, a first handle is fixedly connected to the end cover, a rotating handle is rotatably connected to the center of the filter pipe in a penetrating manner, and the rotating handle is coaxially and fixedly connected with a first rotating pipe.

The invention has the following advantages: the air inlet dust removal mechanism can remove dust in the outside air in two modes of filtering dust removal and electrostatic adsorption dust removal, the filter device can be taken out and replaced, and the air exhausted from the dust-free chamber can be recycled and filtered by arranging the air return filter mechanism, so that the air filtration is reduced; the loss of filter media, and can realize the change to the filter media under the filterable condition of incessant non return gas, guarantee filtration's continuous operation, the filter effect is good.

Drawings

Fig. 1 is a schematic structural view of an air cleaning apparatus for a clean room.

Fig. 2 is a schematic structural diagram of an air intake and dust removal mechanism in an air purification device for a clean room.

Fig. 3 is a schematic structural view of a return air filtering mechanism in an air cleaning apparatus for a clean room.

Fig. 4 is a schematic structural view of an end portion of a filter pipe in an air cleaning apparatus for a clean room.

Fig. 5 is a schematic structural view of a dust removing device in an air cleaning device for a clean room.

In the figure: 1. an air inlet main pipe; 2. an air inlet bent pipe; 3. an air inlet dust removal pipe; 4. a support pillar; 5. a flow slowing box; 6. a circulating fan; 7. an exhaust duct; 8. a filter tube; 9. a return air duct; 10. a blocking piece is arranged; 11. a lower baffle plate; 12. a dust removal device; 13. an air outlet; 14. a flow damper; 15. a first inner rotating tube; 16. a second inner rotating tube; 17. a partition plate; 18. a filter chamber; 19. an air return opening; 20. an inner fixed tube; 21. a first vent; 22. a second vent; 23. an arc-shaped filter mesh sheet; 24. a card holder; 25. an end cap; 26. a first handle; 27. a drawing plate; 28. a parting strip; 29. an electrostatic adsorption plate; 30. a dust filter screen plate; 31. a second handle; 32. the handle is rotated.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the invention.

Example 1

Referring to fig. 1-5, an air purification device for a clean room includes an air inlet main pipe 1, one end of the air inlet main pipe 1 is fixedly connected with an air inlet elbow pipe 2, one end of the air inlet elbow pipe 2 far away from the air inlet main pipe 1 is fixedly connected with an air inlet dust removal pipe 3, a support column 4 is fixedly connected between the air inlet dust removal pipe 3 and the air inlet main pipe 1, an air inlet dust removal mechanism is arranged in the air inlet dust removal pipe 3, the bottom end of the air inlet dust removal pipe 3 is fixedly connected with a slow flow box 5, a slow flow device 14 is arranged in the slow flow box 5, one side of the slow flow box 5 is fixedly connected with a circulating fan 6, the output end of the circulating fan 6 is fixedly connected with an exhaust pipe 7, one side of the slow flow box 5 is also fixedly connected with a filter pipe 8, a return air filter mechanism is arranged in the filter pipe 8, and one end of the bottom of the filter pipe 8 is fixedly connected with a return air pipe 9.

The air inlet dust removal mechanism comprises an upper baffle 10 and a lower baffle 11 which are respectively and fixedly arranged at the top end and the bottom end in the air inlet dust removal pipe 3, and a dust removal device 12 is arranged at the bottom end in the air inlet dust removal pipe 3.

The upper baffle piece 10 and the lower baffle piece 11 are all obliquely arranged, and anti-bonding and anti-static coatings are sprayed on the outer portions of the upper baffle piece 10 and the lower baffle piece 11.

The dust removing device 12 comprises a drawing plate 27, the drawing plate 27 penetrates through the lower blocking pieces 11, a dust collecting groove is formed in the top of the drawing plate 27, a partition bar 28 is fixedly connected in the dust collecting groove, an opening is formed in the dust collecting groove on one side of the partition bar 28, the other side of the partition bar 28 is provided with an electrostatic adsorption plate 29, a dust filter screen plate 30 is arranged in the opening, the end portion of the drawing plate 27 is fixedly connected with a second handle 31, and a drawing opening corresponding to the drawing plate 27 and the second handle 31 is formed in the end portion of the air inlet dust removing pipe 3.

The flow damper 14 is fixedly arranged at the bottom opening of the dust collecting groove, a plurality of baffles are arranged in the flow damper 14, and the baffles are matched to form a curved air passage. The flow damper can also be arranged in the air inlet main pipe 1 and the air inlet bent pipe 2.

Return-air filtering mechanism is including rotating first interior rotating tube 15 of connecting in filter tube 8, rotating tube 16 in the coaxial second that is equipped with in the inside of first interior rotating tube 15, ventilation mechanism is kept apart to fixed connection multiunit between first interior rotating tube 15 and the second rotation tube 16, every group keeps apart ventilation mechanism and all includes two isolation groups that 16 axis symmetry of corresponding second interior rotating tube set up, every isolation group all includes two baffles 17, be equipped with filter chamber 18 between two baffles 17, be equipped with arc filter screen 23 in the

filter chamber

18, 18 one end of filter chamber in one of them isolation group of ventilation mechanism kind of every group is equipped with return air inlet 19.

An annular groove is formed in the second inner rotating pipe 16, an inner fixing pipe 20 is rotatably arranged in the annular groove, the inner fixing pipe 20 is fixedly connected with the filter pipe 8 in a coaxial mode, the top end and the bottom end of the inner fixing pipe 20 are both provided with a second ventilation opening 22, and the second rotating pipe is provided with a plurality of first ventilation openings 21 communicated with the filter cavity 18.

A clamping seat 24 corresponding to the arc-shaped filter net piece 23 is fixedly arranged on the side edge of the partition plate 17.

Example 2

Referring to fig. 1 to 5, the other contents of the present embodiment are the same as embodiment 1, except that: the end part of the filter pipe 8 is provided with a maintenance replacement port, an end cover 25 is arranged in the maintenance replacement port, a first handle 26 is fixedly connected to the end cover 25, the center of the filter pipe 8 is connected with a rotating handle 32 in a penetrating and rotating mode, and the rotating handle 32 is fixedly connected with the first inner rotating pipe 15 in a coaxial mode.

In the implementation process of the invention, after entering the air inlet main pipe 1 and the air inlet elbow pipe 2, the outside air is blocked by the upper blocking pieces 10 and the lower blocking pieces 11 to reduce the kinetic energy thereof, then the electrostatic adsorption plate 29 can adsorb dust in the air, then the dust is filtered by the dust filtering screen plate 30 to realize the dust removal and filtration of the air, then the clean air is discharged by the circulating fan 6, the air in the dust-free chamber enters the filter cavity 18 through the air return pipe 9 after being discharged, and the air is reused after being filtered by the arc-shaped filter mesh 23.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air purification device for a dust free room comprises an air inlet main pipe (1), and is characterized in that one end of the air inlet main pipe (1) is fixedly connected with an air inlet bent pipe (2), one end, far away from the air inlet main pipe (1), of the air inlet bent pipe (2) is fixedly connected with an air inlet dust removal pipe (3), a support column (4) is fixedly connected between the air inlet dust removal pipe (3) and the air inlet main pipe (1), an air inlet dust removal mechanism is arranged in the air inlet dust removal pipe (3), the bottom end of the air inlet dust removal pipe (3) is fixedly connected with a slow flow box (5), a slow flow device (14) is arranged in the slow flow box (5), one side of the slow flow box (5) is fixedly connected with a circulating fan (6), the output end of the circulating fan (6) is fixedly connected with an exhaust pipe (7), one side of the slow flow box (5) is also fixedly connected with a filter pipe (8), an air return filter mechanism is arranged in the filter pipe (8), and one end of the bottom of the filter pipe (8) is fixedly connected with an air return pipe (9);

the air inlet dust removal mechanism comprises an upper baffle plate (10) and a lower baffle plate (11) which are fixedly arranged at the top end and the bottom end in the air inlet dust removal pipe (3) respectively, a dust removal device (12) is arranged at the bottom end in the air inlet dust removal pipe (3), the upper baffle plate (10) and the lower baffle plate (11) are obliquely arranged, and anti-bonding and anti-static coatings are sprayed on the outer parts of the upper baffle plate (10) and the lower baffle plate (11);

the dust removal device (12) comprises a drawing plate (27), the drawing plate (27) penetrates through a plurality of lower blocking pieces (11), a dust collecting groove is formed in the top of the drawing plate (27), a partition bar (28) is fixedly connected in the dust collecting groove, an electrostatic adsorption plate (29) is arranged in the dust collecting groove on one side of the partition bar (28), an opening is formed in the dust collecting groove on the other side of the partition bar (28), a dust filter screen plate (30) is arranged in the opening, the end portion of the drawing plate (27) is fixedly connected with a second handle (31), and a drawing opening corresponding to the drawing plate (27) and the second handle (31) is formed in the end portion of the air inlet dust removal pipe (3);

the flow damper (14) is fixedly arranged at the bottom opening of the dust collecting groove, a plurality of baffles are arranged in the flow damper (14), and the baffles are matched to form a curved air passage;

the return air filtering mechanism comprises a first inner rotating pipe (15) rotatably connected in a filtering pipe (8), a second inner rotating pipe (16) is coaxially arranged inside the first inner rotating pipe (15), a plurality of groups of isolating and ventilating mechanisms are fixedly connected between the first inner rotating pipe (15) and the second inner rotating pipe (16), each group of isolating and ventilating mechanisms comprises two isolating groups symmetrically arranged corresponding to the axis of the second inner rotating pipe (16), each isolating group comprises two partition plates (17), a filtering cavity (18) is arranged between the two partition plates (17), an arc-shaped filtering net piece (23) is arranged in the filtering cavity (18), one end of the filtering cavity (18) in one isolating group of each group of isolating and ventilating mechanisms is provided with a return air opening (19), an annular groove is formed in the second inner rotating pipe (16), an inner fixing pipe (20) is rotatably arranged in the annular groove, the inner fixing pipe (20) is coaxially and fixedly connected with the filtering pipe (8), the top end and the bottom end of the inner fixing pipe (20) are provided with second vent openings (22), a plurality of fixing pipes (18) are communicated with a plurality of filtering cavities (21), the filtering pipe replacement end cover (25) corresponding to the end of the filtering pipe (17), and the end cover (25) for replacing the filtering pipe is arranged on the end of the first fixing opening of the filtering pipe (17), the center of the filter pipe (8) is connected with a rotating handle (32) in a penetrating and rotating mode, and the rotating handle (32) is coaxially and fixedly connected with the first inner rotating pipe (15).