CN216095474U - High-efficient purification laminar flow cover - Google Patents

Abstract

The utility model discloses a high-efficiency purifying laminar flow hood which comprises a box body, wherein a pair of air inlets are formed in the front wall and the rear wall of the box body, a filter screen is fixed at each air inlet through a screw, a plurality of strip-shaped filter holes are formed in the filter screen in a distributed mode, a filter plate in the horizontal direction is further arranged on the lower half portion in the box body, a pair of air suction mechanisms are arranged on the filter plate, a protection mechanism arranged on the filter plate is arranged on the outer side of each air suction mechanism, and a plurality of exhaust holes are further formed in the bottom plate of the box body in a distributed mode.

Description

High-efficient purification laminar flow cover

Technical Field

The utility model relates to the technical field of laminar flow hoods, in particular to a high-efficiency purification laminar flow hood.

Background

Laminar flow hoods are one of the devices that can shield operators from the product and their main purpose is to avoid product contamination. The air drawn from the cleanroom was then passed vertically through the operating area by HEPA filtration using a suction fan mounted in the overhead plenum to provide ISO5 (class 100) unidirectional flow air for the critical area. The exhaust gases are discharged from below and returned to the clean room area. The existing laminar flow hood has a general filtering effect, the integral filtering effect is worthy of further promotion, the adsorption treatment effect is poor, the air absorption speed is low, the purification speed is reduced, and the internal elements are cleaned conveniently in the follow-up process.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high efficiency laminar flow hood to solve the above problems.

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

the utility model provides a high-efficient purification laminar flow hood, includes the box, a pair of air intake has all been seted up to the back wall before the box, the air intake still has the filter screen through the fix with screw, a plurality of bar filtration pores have been seted up in the distribution on the filter screen, the filter of horizontal direction is still installed to the lower half in the box, install a pair of suction mechanism on the filter, the protection machanism of installing on the filter in addition in the suction mechanism outside, still distribute on the box bottom plate and seted up a plurality of exhaust holes.

Preferably, a box cover is further arranged at the upper end of the box body.

Preferably, the filter is multilayer structure, has set gradually synthetic fiber layer, activated carbon layer and glass fiber layer from top to bottom, synthetic fiber layer below bonds and has activated carbon layer, activated carbon layer lower extreme bonds and has the glass fiber layer.

Preferably, the air suction mechanism comprises a mounting seat, a driving motor and an air suction fan, the mounting seat is mounted at the upper end of the filter plate, the driving motor is fixed at the upper end of the mounting seat, the air suction fan is arranged at the upper end of the driving motor, and the output end of the driving motor is in driving connection with the rotating shaft of the air suction fan.

Preferably, the protection mechanism comprises a protection cover and an imported cotton fiber filter screen outside the air suction mechanism, the protection cover is installed at the upper end of the filter screen, an air inlet is formed in the middle of the upper end of the protection cover, and the imported cotton fiber filter screen is installed in the air inlet.

Preferably, the shield is integrally formed and does not have corners.

Compared with the prior art, the utility model has the beneficial effects that: the air inlets are formed in the front wall and the rear wall of the box body, so that the air suction speed can be increased, and the purification speed is increased; through setting up multilayer structure's filter cooperation import cotton fiber filter screen, can improve purifying effect. The utility model has simple structure, can effectively clamp the block and purify the speed and improve the purification effect, and can bring convenience to the technical field of laminar flow hoods.

Drawings

FIG. 1 is a schematic cross-sectional front view of an efficient laminar flow hood;

FIG. 2 is a schematic diagram of a front view of a high efficiency purge flow hood;

FIG. 3 is a schematic cross-sectional view of a filter plate of an efficient laminar flow hood;

FIG. 4 is a schematic side sectional view of a protective cover of an efficient laminar flow hood.

In the figure: 1-box body, 2-exhaust hole, 3-filter plate, 31-synthetic fiber layer, 32-activated carbon layer, 33-glass fiber layer, 4-protection mechanism, 41-protection cover, 42-air inlet, 43-inlet cotton fiber filter screen, 5-air suction mechanism, 51-driving motor, 52-mounting seat, 53-suction fan, 6-filter screen, 7-strip-shaped filter hole and 8-screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a high-efficient purification laminar flow hood, includes box 1, a pair of air intake has all been seted up to box 1 front and back wall, the air intake still has filter screen 6 through the fix with screw, a plurality of bar filtration pores 7 have been seted up in the distribution on filter screen 6, the filter 3 of horizontal direction is still installed to box 1 inner lower half, install a pair of suction mechanism 5 on the filter 3, the 5 outside of suction mechanism still has the protection machanism 5 of installing on filter 3, still distribute on box 1 bottom plate and seted up a plurality of exhaust holes 2. During the use, at first open suction mechanism 5, the air in the 1 outside of box gets into inside the box 1 from a plurality of air intakes afterwards, and in reentrant protection machanism 5, the purification through filter 3 is discharged by exhaust hole 2 at last.

The upper end of the box body 1 is also provided with a box cover. Through setting up the case lid, the later stage of being convenient for washs the device in the box 1 and maintains.

The filter 3 is multilayer structure, has set gradually synthetic fiber layer 31, activated carbon layer 32 and glass fiber layer 33 from top to bottom, synthetic fiber layer 31 below bonds and has activated carbon layer 32, activated carbon layer 32 lower extreme bonds and has glass fiber layer 33. Through setting up synthetic fiber layer 31, its resistance is little, and the capacious can improve purifying effect, increases the speed of purifying, and glass fiber layer 33 also has efficient purifying effect, and activated carbon layer 32 can detach the peculiar smell in the air, improves purifying effect.

The air suction mechanism 5 comprises a mounting seat 52, a driving motor 51 and a suction fan 53 which are mounted at the upper end of the filter plate 3, the driving motor 51 is fixed at the upper end of the mounting seat 53, the suction fan 53 is arranged at the upper end of the driving motor 51, and the output end of the driving motor 51 is in driving connection with the rotating shaft of the suction fan 53. When the protection mechanism is used, the driving motor 51 is turned on to drive the suction fan 53 to rotate, so that external air is continuously sucked into the protection mechanism 4.

The protection mechanism 4 comprises a protection cover 41 and an imported cotton fiber filter screen outside the air suction mechanism 5, the protection cover 41 is installed at the upper end of the filter plate 3, an air inlet 42 is formed in the middle of the upper end of the protection cover 41, and an imported cotton fiber filter screen 43 is installed in the air inlet 42. Through setting up protection casing 41 cooperation import cotton fiber filter screen 43 and can increase once filtering, improve the purifying effect of air.

The shield 41 is integrally formed and has no corners. By arranging the integrally formed protective cover 41, a welded corner is not formed, and the protective cover 41 can be cleaned conveniently in the following process.

The working principle of the utility model is as follows: during the use, open driving motor 51, make it drive suction fan 53 and rotate, inside the air in the 1 outside of box gets into box 1 from a plurality of air intakes afterwards, carry out the preliminary evolution through import cotton fiber filter screen 43 afterwards, in getting into protection casing 41 afterwards, purifying in proper order through fibrous layer 31, activated carbon layer 32 and glass fiber layer 33, the air that will purify the completion has exhaust hole 2 discharge box 1 at last.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a high-efficient purification laminar flow hood, includes box (1), its characterized in that: a pair of air intake has all been seted up to box (1) preceding back wall, the air intake still has filter screen (6) through the fix with screw, a plurality of bar filtration pores (7) have been seted up in distribution on filter screen (6), filter (3) of horizontal direction are still installed to the lower half in box (1), install a pair of suction mechanism (5) on filter (3), the protection machanism (4) of installing on filter (3) are in addition in suction mechanism (5) outside, still distribute on box (1) bottom plate and seted up a plurality of exhaust holes (2).

2. The high efficiency purge layer flow hood of claim 1, wherein: the upper end of the box body (1) is also provided with a box cover.

3. The high efficiency purge layer flow hood of claim 1, wherein: the filter (3) is multilayer structure, has set gradually synthetic fiber layer (31), activated carbon layer (32) and glass fiber layer (33) from top to bottom, synthetic fiber layer (31) below bonds and has activated carbon layer (32), activated carbon layer (32) lower extreme bonds and has glass fiber layer (33).

4. A high efficiency purge flow hood as set forth in claim 3, wherein: the air suction mechanism (5) comprises a mounting seat (52), a driving motor (51) and an air suction fan (53) which are mounted at the upper end of the filter plate (3), the driving motor (51) is fixed at the upper end of the mounting seat (52), the air suction fan (53) is arranged at the upper end of the driving motor (51), and the output end of the driving motor (51) is in driving connection with the rotating shaft of the air suction fan (53).

5. The high efficiency purge layer flow hood of claim 4, wherein: protection machanism (4) are including outer protection casing (41) of air suction mechanism (5) and import cotton fiber filter screen, protection casing (41) are installed in filter (3) upper end, air inlet (42) have been seted up to protection casing (41) upper end intermediate position, install import cotton fiber filter screen (43) in air inlet (42).

6. The high efficiency purge layer flow hood of claim 5, wherein: the protective cover (41) is integrally formed and has no edges and corners.

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