CN212327683U

CN212327683U - Detect laboratory with filtration case

Info

Publication number: CN212327683U
Application number: CN202020846852.3U
Authority: CN
Inventors: 王菊; 李朋波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-01-12
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to an air filter box for a detection laboratory, which comprises a box body and a back-blowing pipeline, wherein a first cavity, a second cavity and a third cavity are arranged in the box body, and the third cavity is communicated with the second cavity; a detachable first filtering unit is arranged in the first cavity, a detachable second filtering unit is arranged in the second cavity, and the first filtering unit and the second filtering unit have the same structure and respectively comprise a connecting piece, a flange and filter cloth; a plurality of compression springs are connected between the connecting piece and the flange; the filter cloth is bag-shaped and is arranged on the connecting piece, and the flange and the plurality of compression springs are wrapped by the filter cloth from the outer side to form an inner cavity; the inner cavity of the first filtering unit is communicated with the third chamber; the back-blowing pipeline is communicated with the two inner cavities. This filtration case can effectively get rid of the dust in the air through the two-stage filtration, and the filter effect is good, sets up the blowback pipeline and is convenient for maintain filter unit, and has simple structure, dismouting and maintenance advantage such as convenient.

Description

Detect laboratory with filtration case

Technical Field

The utility model relates to a detect laboratory and use filtration case with air belongs to the laboratory and equips technical field.

Background

The detection room is a place for detection, and equipment or instruments used in the detection process are relatively precise. In the inspection, in order to ensure the accuracy of the inspection result, various parameters of the inspection chamber, such as temperature, humidity, light intensity and dust content, are generally required to be strictly controlled. Especially, the dust content in the air has a large influence on the inspection equipment. In many detection experiments, if dust is more in the air, the accuracy of the experiment is often influenced, the equipment loss is large after long-term use, and therefore dust removal treatment must be carried out in a detection chamber.

In order to overcome the problems, the existing laboratory is usually provided with a ventilation and dust removal device, and the outside air can be filtered and then introduced into the laboratory. However, in the existing ventilation dust removal device, the dust filter screen is easy to block after being used for a period of time, the ventilation speed is affected, the dust filter screen needs to be replaced regularly, and the replacement is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above, provide a detect laboratory and use filtration case, through the dust in the two-stage filtration can effective de aeration, the filter effect is good, sets up the blowback pipeline and is convenient for maintain the filter unit, and has simple structure, advantages such as dismouting and maintenance convenience.

For solving the above problem, the utility model discloses a technical scheme as follows:

an air filter box for a detection laboratory comprises a box body, wherein a first chamber, a second chamber and a third chamber are arranged in the box body, the third chamber is positioned above the first chamber and the second chamber, and the third chamber is communicated with the second chamber; a first detachable filtering unit is arranged in the first chamber, a second detachable filtering unit is arranged in the second chamber,

the first filtering unit and the second filtering unit have the same structure and respectively comprise a connecting piece, a flange and filter cloth; a plurality of compression springs which are vertically arranged are connected between the connecting piece and the flange; the filter cloth is bag-shaped, the opening of the filter cloth is arranged on the connecting piece, the flange and the plurality of compression springs are wrapped by the filter cloth from the outer side, an inner cavity is formed on the inner side of the filter cloth, and a second through hole is formed in the connecting piece; the inner cavity of the first filtering unit is communicated with the third chamber; the air filter box also comprises a back flushing pipeline, and the back flushing pipeline is communicated with the inner cavities of the first filtering unit and the second filtering unit.

As an improvement, the upper end of the first chamber is fixedly provided with a mounting seat, and the mounting seat is provided with a first through hole communicated with the third chamber; the connecting piece of the first filtering unit is fixedly arranged on the mounting seat through a fastener.

As an improvement, a sealing element is arranged between the connecting piece of the first filtering unit and the mounting seat.

As an improvement, the air filter box further comprises an air outlet pipe, the air outlet pipe is mounted in the upper third chamber and penetrates through the third chamber, one end of the air outlet pipe is arranged in the second chamber, and the other end of the air outlet pipe is located outside the box body; the connecting piece of the second filtering unit is fixedly arranged on the air outlet pipe through a fastening piece.

As an improvement, a sealing element is arranged between the connecting piece of the second filtering unit and the air outlet pipe.

As an improvement, the lower part of the first chamber is provided with an air inlet, and a baffle plate which is obliquely and downwards arranged is arranged in the first chamber at a position corresponding to the air inlet.

As an improvement, the lower parts of the first chamber and the second chamber are funnel-shaped, and ash outlets are formed in the bottoms of the funnels.

The utility model adopts the above technical scheme, compare with prior art, have following advantage:

the dust removal device can effectively remove dust in air, can effectively remove dust in air through two-stage filtration, and is good in filtering effect, simple in structure and convenient to maintain.

When the dust attached to the filter cloth is too much and the dust removal efficiency is influenced, clean air is back blown into the first filter unit and the second filter unit through the back blowing pipeline, so that the compression springs continuously vibrate, the dust attached to the filter cloth is shaken off and discharged out of the box body through the dust outlet, and the filter cloth is cleaned.

After the air filter box is used for a long time, the filter cloth is cleaned or replaced more thoroughly by detaching the first filter unit and the second filter unit, and equipment is convenient to maintain.

The air that the air intake got into at first blocks through the baffle, and the impurity of the great granule that wherein contains can drop into the funnel bottom of first cavity downwards under the inertia effect, can avoid the jam of filter cloth, improves the filter effect.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of an air filter box for a detection laboratory in an embodiment of the present invention;

FIG. 2 is an enlarged view of the view from the direction A in FIG. 1;

in the figure, 1-box body, 2-first chamber, 3-second chamber, 4-third chamber, 5-connecting piece, 6-flange, 7-air outlet pipe, 8-filter cloth, 9-compression spring, 10-back blowing pipeline, 11-inner chamber, 12-ash outlet, 13-baffle, 14-air inlet, 15-mounting seat, 16-first through hole, 17-second through hole, 18-sealing piece and 19-mounting groove.

Detailed Description

For convenience of explanation and not for limitation, the side of the case shown in fig. 1 is defined as the back side of the case, the side near the inside of the case is defined as the inside, and the side opposite to the inside is defined as the outside.

Examples

As shown in fig. 1 and fig. 2 together, the air filter box for the detection laboratory comprises a box body 1 and a blowback pipeline 10. Be equipped with two first cavities 2 and the second cavity 3 that respectively set up side by side in the box 1, still be equipped with third cavity 4, third cavity 4 is located the top of first cavity 2 and second cavity 3, and third cavity 4 is linked together with second cavity 3. The lower parts of the first chamber 2 and the second chamber 3 are funnel-shaped, and the bottom of the funnel is provided with an ash outlet 12. An air inlet 14 is arranged at the lower part of the first chamber 2, and a baffle 13 which is obliquely arranged downwards is arranged at the position corresponding to the air inlet 14 in the first chamber 2. The air that air intake 14 got into at first through the blockking of baffle 13, the impurity of the great granule that contains wherein can drop into the funnel bottom of first cavity 2 downwards under the inertia effect, can avoid the jam of filter cloth 8, improves the filter effect.

As shown in fig. 1 and 2, a first detachable filter unit is installed in the first chamber 2, and a second detachable filter unit is installed in the second chamber 3. The first filtering unit and the second filtering unit have the same structure and respectively comprise a connecting piece 5, a flange 6 and a filter cloth 8. A plurality of compression springs 9 which are vertically arranged are connected between the connecting piece 5 and the flange 6. The upper end of the connecting piece 5 is provided with a mounting groove 19. The preferred first filter units in this embodiment each comprise four compression springs 9. The flange 6 is of annular sheet structure. The lower ends of four compression springs 9 are uniformly distributed on the flange 6. The filter cloth 8 is bag-shaped, the opening of the filter cloth 8 is arranged on the connecting piece 5, the flange 6 and the compression spring 9 are wrapped by the filter cloth 8 from the outer side, an inner cavity 11 is formed on the inner side of the filter cloth 8, and the connecting piece 5 is provided with a second through hole 17. The compression spring 9 has a supporting function, so that the filter cloth 8 is prevented from being flattened to influence the filtering effect and the filtering efficiency when the air filter box is used, and the inner cavity 11 of the first filtering unit is communicated with the third chamber 4. The blowback pipeline 10 is communicated with the inner cavities 11 of the first filtering unit and the second filtering unit. The filtering holes on the filtering cloth 8 of the preferred second filtering unit are smaller than the filtering holes on the filtering cloth 8 of the first filtering unit, so that the filtering effect and the filtering efficiency are improved.

As shown in fig. 1 and fig. 2, a mounting seat 15 is fixedly disposed at an upper end of the first chamber 2, and a first through hole 16 communicated with the third chamber 4 is disposed on the mounting seat 15. The upper end of connecting piece 5 is equipped with mounting groove 19, and the appearance and the mounting groove 19 looks adaptation of mount pad 15, mount pad 15 install in mounting groove 19. The connecting piece 5 of the first filter unit is fixedly mounted on the mounting seat 15 by a fastener. A sealing element 18 is arranged between the connecting element 5 of the first filter unit and the mounting seat 15. The sealing member 18 is mounted in the mounting groove 19. The preferred seal 18 in this embodiment is a flat gasket construction. The air filter box further comprises an air outlet pipe 7, the air outlet pipe 7 is installed in the upper third chamber 4, the air outlet pipe 7 penetrates through the third chamber 4, one end of the air outlet pipe 7 is arranged in the second chamber 3, and the other end of the air outlet pipe is located outside the box body 1. The size of the air outlet pipe 7 is matched with the installation groove 19, and the lower end part of the air outlet pipe 7 is installed in the installation groove 19. The connecting piece 5 of the second filtering unit is fixedly arranged on the air outlet pipe 7 through a fastening piece. A sealing element 18 is arranged between the connecting piece 5 of the second filtering unit and the air outlet pipe 7. The air outlet pipe 7, the back flushing pipeline 10 and the ash outlet 12 are all provided with valves. The air outlet pipe 7 is provided with a fan.

When the air filter box is used, the valves on the back flushing pipeline 10 and the ash outlet 12 are closed, the valve on the air outlet pipe 7 is opened, the fan on the air outlet pipe 7 is started, and the air filter box starts to work. Air enters the first chamber 2 from the air inlet 14, then enters the inner cavity 11 of the first filter unit after being filtered by the filter cloth 8 of the first filter unit, and dust in the air is blocked by the filter cloth 8 and adheres to the outer side surface of the filter cloth 8. The air in the inner cavity 11 of the first filtering unit sequentially enters the third cavity and the second cavity 3 through the first through hole 16, and then enters the inner cavity 11 of the second filtering unit after being filtered by the filter cloth 8 of the second filtering unit. Under the action of the fan, the clean gas in the inner cavity 11 is discharged out of the box body through the air outlet pipe 7. The air discharged from the box body is filtered by the two stages of filter cloth 8, so that dust and impurities in the air are effectively removed, and the filtering effect is good.

When the filter cloth 8 has a lot of dust and affects the dust removing efficiency, the valve on the air outlet pipe 7 is closed, and the valves on the back flushing pipeline 10 and the dust outlet 12 are opened. Clean air is back blown into the first filtering unit and the second filtering unit through the back blowing pipeline 10 to cause the continuous vibration of the compression spring 9, so that dust attached to the filtering cloth 8 is shaken off and is discharged out of the box body 1 through the dust outlet 12, and the effect of cleaning the filtering cloth 8 is achieved. After the air filter box is used for a long time, the filter cloth 8 is cleaned or replaced more thoroughly by detaching the first filter unit and the second filter unit, and equipment is convenient to maintain.

To sum up, the utility model relates to a detect laboratory and use filtration case can effectively get rid of the dust in the air through the two-stage filtration, and the filter effect is good, sets up the blowback pipeline and is convenient for maintain filter unit, and has simple structure, advantages such as dismouting and maintenance convenience.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The utility model provides a detect laboratory and use filtration case which characterized in that: the device comprises a box body (1), wherein a first chamber (2), a second chamber (3) and a third chamber (4) are arranged in the box body (1), the third chamber (4) is positioned above the first chamber (2) and the second chamber (3), and the third chamber (4) is communicated with the second chamber (3);

a first detachable filtering unit is arranged in the first chamber (2), a second detachable filtering unit is arranged in the second chamber (3),

the first filtering unit and the second filtering unit have the same structure and respectively comprise a connecting piece (5), a flange (6) and a filter cloth (8); a plurality of compression springs (9) which are vertically arranged are connected between the connecting piece (5) and the flange (6); the filter cloth (8) is bag-shaped, the opening part of the filter cloth (8) is arranged on the connecting piece (5), the flange (6) and the plurality of compression springs (9) are wrapped by the filter cloth (8) from the outer side, an inner cavity (11) is formed on the inner side of the filter cloth (8), and a second through hole (17) is formed in the connecting piece (5);

the inner cavity (11) of the first filter unit is communicated with the third chamber (4);

the air filter box also comprises a back flushing pipeline (10), and the back flushing pipeline (10) is communicated with the inner cavities (11) of the first filter unit and the second filter unit.

2. The air filtration cabinet for testing laboratories of claim 1, wherein: a mounting seat (15) is fixedly arranged at the upper end of the first chamber (2), and a first through hole (16) communicated with the third chamber (4) is formed in the mounting seat (15); the connecting piece (5) of the first filtering unit is fixedly arranged on the mounting seat (15) through a fastener.

3. The air filtration cabinet for testing laboratories of claim 2, wherein: and a sealing element (18) is arranged between the connecting piece (5) of the first filtering unit and the mounting seat (15).

4. The air filtration cabinet for testing laboratories of claim 1, wherein: the air filter box also comprises an air outlet pipe (7), the air outlet pipe (7) is installed in the upper third chamber (4), the air outlet pipe (7) penetrates through the third chamber (4), one end of the air outlet pipe (7) is arranged in the second chamber (3), and the other end of the air outlet pipe is positioned outside the box body (1); the connecting piece (5) of the second filtering unit is fixedly arranged on the air outlet pipe (7) through a fastening piece.

5. The air filtration cabinet for testing laboratories of claim 1, wherein: and a sealing element (18) is arranged between the connecting piece (5) of the second filtering unit and the air outlet pipe (7).

6. The air filtration cabinet for testing laboratories of claim 1, wherein: an air inlet (14) is formed in the lower portion of the first chamber (2), and a baffle (13) which is obliquely and downwards arranged is arranged in the first chamber (2) in a position corresponding to the air inlet (14).

7. The air filtration cabinet for testing laboratories of claim 1, wherein: the lower parts of the first chamber (2) and the second chamber (3) are funnel-shaped, and ash outlets (12) are arranged at the bottoms of the funnels.