CN210332719U

CN210332719U - Clean weighing room

Info

Publication number: CN210332719U
Application number: CN201920842888.1U
Authority: CN
Inventors: 李永申; 李梦婷; 张坚
Original assignee: Zhejiang Shunye Purification Technology Co ltd
Current assignee: Zhejiang Shunye Purification Technology Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-17
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a clean weighing room, including the box, set up in the air intake of box, set up workspace, wind channel and the fan in the box. The utility model has the advantages that: at this weigh room and carry out the during operation, people open the fan, play the effect of guide to the air through the fan, the air that has dust or reagent passes through the air intake and enters into the wind channel in, then enter into first filter and carry out the prefilter, then enter into the second filter and carry out the secondary filter, finally enter into the filtration water of water filter chamber through the air outlet and the trachea in wind channel, with the dust, the vast majority of various microorganisms such as rubbish and bacterium dissolve, the locking is in the aquatic, thereby prevent that gas still has dust or reagent after leaving weighing the room, leave the gas behind the drainage through first filter screen, filter material and second filter screen after, leave this weighing the room through the bleeder vent, avoid outer gaseous external world to cause the pollution.

Description

Clean weighing room

Technical Field

The utility model relates to a clean weighing room belongs to weighing room technical field.

Background

The weighing room is a special local purifying device used in the fields of pharmacy, microbiological research, scientific experiment and the like, and provides a vertical one-way airflow, part of the clean air circulates in a working area, and part of the clean air is discharged to a nearby area, so that the working area generates negative pressure, cross contamination is prevented, and the high-cleanliness environment of the working area is ensured. Carry out dust, reagent in equipment and weigh, partial shipment, can control dust, reagent excessive, raise, prevent dust, reagent harm to the absorption of human body, still avoid the cross contamination of dust, reagent, protect external environment and indoor personnel's safety, for example, the room is weighed to publication number CN206554545U negative pressure, including the box, set up in air intake, the air outlet of box, set up in the box and connect the wind channel workspace and the fan of air intake and air outlet, the fan sets up between air intake and air outlet, the fan sets up in the wind channel, its characterized in that: the air conditioner is characterized in that a first filter is arranged between the fan and the air inlet, a second filter is arranged between the air channel and the working area, and the second filter is fixedly provided with a flow equalizing membrane and a lighting lamp.

However, when the weighing chamber is used and the gas is discharged, the gas still contains much dust, reagents and the like, and the environment is easily polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a clean weighing room which is not easy to cause pollution in discharge.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a clean weighing room, include the box, set up in the air intake of box, set up workspace, wind channel and fan in the box, the fan sets up in the wind channel, be equipped with first filter between fan and the air intake, the water filter chamber has been seted up to the top surface of box, be equipped with the drainage in the water filter chamber, the one end and the air intake in wind channel switch on, the other end in wind channel is connected with the trachea, the trachea extends to in the filtration water of water filter chamber, be equipped with the filtration that is located directly over the drainage in the water filter chamber.

As a further setting of the utility model, the box top surface articulates through the hinge seat has and is used for coveing water filtration chamber open-ended apron, set up a plurality of bleeder vents that are used for gas exchange on the apron.

As a further arrangement of the utility model, a plurality of spoilers are arranged on the inner wall of the water filtering cavity, and the liquid level of the filtered water is over the spoilers.

As a further arrangement of the utility model, a second filter is arranged in the air pipe.

As a further configuration of the present invention, the filtration efficiency of the first filter is G3, and the filtration efficiency of the second filter is H4.

As a further setting of the utility model, be equipped with the manometer of a plurality of measurement atmospheric pressure in the wind channel.

As a further setting of the utility model, the fan is frequency conversion constant speed fan.

As a further setting of the utility model, the filtration is including barrel, first filter screen, second filter screen and the filter material that is the cube form, first filter screen and second filter screen are established respectively in the top surface and the bottom surface of barrel, the filter material is established in the barrel and is located between first filter screen and the second filter screen.

As a further setting of the utility model, the filter material is a plurality of active carbon particles, first filter screen and second filter screen adopt the nylon yarn to make, the aperture of first filter screen and second filter screen is less than the size of active carbon particles.

As a further arrangement of the utility model, be equipped with a plurality of supporting shoes that are used for supporting the barrel on the inner wall of water filter chamber, the supporting shoe is located the top of drainage.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses weigh the room and carry out the during operation at this, people open the fan, play the effect of guide to the air through the fan, the air that has dust or reagent passes through in the air intake enters into the wind channel, then enter into first filter and carry out the prefilter, then reentrant second filter carries out the secondary filter, air outlet and the trachea through the wind channel enter into the filtration water of water filter chamber at last, with the dust, the most of various microorganisms such as rubbish and bacterium dissolve, the locking is in the aquatic, thereby prevent that gas still exists dust or reagent after leaving weighing the room, leave the gas after the drainage through first filter screen, filter material and second filter screen back, leave this weighing room through the bleeder vent, make this weigh dust and reagent in the room can abundant filtered gas, the gas of avoiding outer row causes the pollution to external environment.

Drawings

FIG. 1 is a front view of a clean weighing room according to the present invention;

FIG. 2 is a schematic side view of a clean weighing room according to the present invention;

FIG. 3 is a schematic structural view of a filtering structure in a clean weighing room according to the present invention;

fig. 4 is a perspective view of the filtering structure in the clean weighing room of the present invention.

Reference numerals: 1. a box body; 2. an air inlet; 3. filtering the material; 4. a control panel; 5. a pressure gauge; 6. an air duct; 7. a fan; 8. a first filter; 9. a second filter; 10. a hinge mount; 11. air holes are formed; 12. a cover plate; 13. a filter structure; 14. a spoiler; 15. a water filtration chamber; 16. a working area; 17. a barrel; 18. a first filter screen; 19. a second filter screen; 20. the trachea.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a clean weighing room comprises a box body 1, an air inlet 2 arranged in the box body 1, a working area 16 arranged in the box body 1, an air duct 6 and a fan 7, wherein the fan 7 is arranged in the air duct 6, a first filter 8 is arranged between the fan 7 and the air inlet 2, a water filter cavity 15 is arranged on the top surface of the box body 1, filtered water is arranged in the water filter cavity 15, one end of the air duct 6 is communicated with the air inlet 2, the other end of the air duct 6 is connected with an air pipe 20, the air pipe 20 extends into the filtered water in the water filter cavity 15, a filter structure 13 positioned right above the filtered water is arranged in the water filter cavity 15, a second filter 9 is arranged in the air pipe 20, the filter efficiency of the first filter 8 is G3, the filter efficiency of the second filter 9 is H4, a control panel 4 is arranged on the surface of the box body 1, the whole weighing room is controlled by a PLC, a cover plate 12 for, a plurality of air holes 11 for gas exchange are formed in the cover plate 12, the filtering structure 13 comprises a barrel 17 in a cubic shape, a first filter screen 18, a second filter screen 19 and a filter material 3, the first filter screen 18 and the second filter screen 19 are respectively arranged on the top surface and the bottom surface of the barrel 17, the filter material 3 is arranged in the barrel 17 and is positioned between the first filter screen 18 and the second filter screen 19, the filter material 3 is a plurality of activated carbon particles, the first filter screen 18 and the second filter screen 19 are made of nylon wires, the aperture of the first filter screen 18 and the aperture of the second filter screen 19 are smaller than the size of the activated carbon particles, a plurality of supporting blocks for supporting the barrel 17 are arranged on the inner wall of the water filtering cavity 15, and the supporting blocks are positioned above the.

When the weighing chamber works, people start the fan 7 to operate, the air is guided by the fan 7, the air with dust or reagent enters the air duct 6 through the air inlet 2, then enters the first filter 8 for primary filtering, then enters the second filter 9 for secondary filtering, finally the air enters the filtering water of the water filtering cavity 15 through the air outlet of the air duct 6 and the air pipe 20, most of various microorganisms such as dust, garbage and bacteria are dissolved and locked in the water, thereby preventing the air from still having dust or reagent after leaving the weighing chamber, after the air leaving the filtering water passes through the first filter screen 18, the filter material 3 and the second filter screen 19, because the filter material 3 adopts activated carbon particles which have developed pore structures and good adsorption performance, the impurities and moisture of the air leaving the filtering water can be absorbed, then the gas leaves the weighing chamber through the air holes 11, so that the weighing chamber can fully filter dust and reagents in the gas, and prevent the pollution of the discharged gas to the external environment, the second filter screen 19 is fixedly connected with the cylinder 17, the first filter screen 18 is embedded into the cylinder 17, when people need to replace the filter material 3, people can take down the whole cylinder 17 on the supporting block, and replace the filter material 3 in the cylinder 17 after taking out the first filter screen 18, and then put back to the supporting block in the water filter cavity 15 for placement, thereby greatly improving the working efficiency of people, the filtered water can be tap water, the cost of the filtered water is low, when people need to replace the filtered water or clean the water filter cavity 15, the filtered water and the sediment in the water can be pumped away through a water pipe and a water pump after taking out the filter structure 13, and then adding the filtered water again.

The inner wall of the water filter cavity 15 is provided with a plurality of spoilers 14, and the liquid level of the filtered water is lower than the spoilers 14.

Through setting up spoiler 14 for gas gets into and filters the aquatic after, can play certain effect that blocks through spoiler 14, makes gas stay longer time in filtering the aquatic, makes dust or reagent that have in the gas fully dissolve in the aquatic.

A plurality of pressure gauges 5 for measuring air pressure are arranged in the air duct 6.

Through setting up manometer 5 for people can measure the atmospheric pressure in wind channel 6, so that people know its particular case.

The fan 7 is a variable-frequency constant-speed fan.

Therefore, when people start the fan 7 and enable the fan 7 to guide the airflow, the stability of the airflow can be ensured.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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

1. The utility model provides a clean weighing room, includes box (1), sets up in air intake (2) of box (1), sets up workspace (16), wind channel (6) and fan (7) in box (1), its characterized in that: fan (7) set up in wind channel (6), be equipped with first filter (8) between fan (7) and air intake (2), water filter chamber (15) have been seted up to the top surface of box (1), be equipped with the drainage in water filter chamber (15), the one end and air intake (2) of wind channel (6) switch on, the other end in wind channel (6) is connected with trachea (20), trachea (20) extend to in the filtration water of water filter chamber (15), be equipped with in water filter chamber (15) and be located filtration structure (13) directly over the drainage.

2. The clean weighing room of claim 1, wherein: the top surface of the box body (1) is hinged with a cover plate (12) used for covering the opening of the water filter cavity (15) through a hinge seat (10), and a plurality of air holes (11) used for gas exchange are formed in the cover plate (12).

3. The clean weighing room of claim 1, wherein: the inner wall of the water filtering cavity (15) is provided with a plurality of spoilers (14), and the liquid level of the filtered water is over the spoilers (14).

4. The clean weighing room of claim 1, wherein: a second filter (9) is arranged in the air pipe (20).

5. The clean weighing room of claim 4, wherein: the first filter (8) has a filtration efficiency of G3, and the second filter (9) has a filtration efficiency of H4.

6. The clean weighing room of claim 1, wherein: and a plurality of pressure gauges (5) for measuring air pressure are arranged in the air duct (6).

7. The clean weighing room of claim 1, wherein: the fan (7) is a variable-frequency constant-speed fan.

8. The clean weighing room of claim 1, wherein: filtration (13) are including barrel (17), first filter screen (18), second filter screen (19) and filter material (3) that are the cube form, establish the top surface and the bottom surface at barrel (17) respectively first filter screen (18) and second filter screen (19), filter material (3) are established in barrel (17) and are located between first filter screen (18) and second filter screen (19).

9. The clean weighing room of claim 8, wherein: the filter material (3) is a plurality of activated carbon particles, the first filter screen (18) and the second filter screen (19) are made of nylon wires, and the aperture of the first filter screen (18) and the aperture of the second filter screen (19) are smaller than the size of the activated carbon particles.

10. The clean weighing room of claim 8, wherein: the inner wall of the water filtering cavity (15) is provided with a plurality of supporting blocks for supporting the barrel body (17), and the supporting blocks are positioned above the filtered water.