CN213101216U

CN213101216U - Sealed fume hood with portable area acid mist is handled

Info

Publication number: CN213101216U
Application number: CN202021911299.3U
Authority: CN
Inventors: 张艳; 宋薇; 杨文琰; 范红娜; 郭红伟
Original assignee: Hebei Pony Testing Technology Co ltd
Current assignee: Hebei Pony Testing Technology Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-04
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a sealed fume hood with movable acid mist treatment, which comprises a main body shell, wherein a cabinet door is arranged at the front part of the main body shell under the front part of the main body shell, a plurality of groups of ventilation openings are arranged in the middle of the front part of the main body shell, an inner cavity is arranged at the front part of the main body shell under the front part of the inner cavity, a movable glass door is arranged at the front part of the inner cavity, a guide plate is arranged in the inner cavity after the inner cavity is arranged, a gas collecting hood is arranged in the middle of the top part of the main body shell, a filtering device shell is arranged at the top part of the gas collecting hood, an exhaust pipe is arranged at the top part of the filtering; a sealed fume hood with portable area acid mist is handled can effectually carry out filtration treatment to harmful gas such as acid mist, the installation is dismantled to filter equipment to the convenience simultaneously, not only makes things convenient for the change of filter core, also conveniently cleans and maintains filter equipment, improves the availability factor.

Description

Sealed fume hood with portable area acid mist is handled

Technical Field

The utility model relates to a fume hood field, in particular to portable take acid mist to handle sealed fume hood has.

Background

The fume hood, also known as a fume hood, is a large-scale device used in a chemical laboratory and is used for reducing the contact between an experimenter and harmful gases, is a primary barrier for protecting personnel from the harm of toxic chemical fumes, and can be used as important safety backup equipment for effectively discharging harmful gases such as chemical fumes, dust and toxic gases when a chemical experiment process fails and the chemical fumes, dust and toxic gases are generated so as to protect the environment of the workers and the laboratory;

however, the existing movable sealed fume hood with acid mist treatment has certain disadvantages in use, and the harmful gas emission cannot be effectively filtered, usually the harmful gas is slightly treated or even directly emitted, so that the living environment of human beings is seriously influenced; secondly, the filter device for harmful gases is inconvenient to disassemble, maintain and replace, so that much inconvenience is caused, and the use efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a movable sealed fume hood with acid mist treatment, which can effectively solve the problems that the prior movable sealed fume hood with acid mist treatment has certain disadvantages when in use, and the harmful gas emission can not be effectively filtered, usually the harmful gas is slightly treated or even directly emitted, thus seriously affecting the living environment of human beings; secondly, the filter device for the harmful gas is inconvenient to disassemble, maintain and replace, so that much inconvenience is caused, and the use efficiency is influenced.

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

a movable sealed fume hood with acid mist treatment comprises a main body shell, wherein a cabinet door is installed on the front portion of the main body shell in a mode that the cabinet door is close to the lower portion, a plurality of groups of ventilation openings are arranged in the front portion of the main body shell in the middle, an inner cavity is arranged on the front portion of the main body shell in a close mode, a movable glass door is arranged on the front portion of the inner cavity, a guide plate is installed in the inner cavity in a close mode, a gas collecting hood is installed in the middle of the top portion of the main body shell, a filtering device shell is installed on the top portion of the gas collecting hood, an exhaust pipe is arranged on the top portion of the filtering device shell, an acid mist neutralizing device is installed on one side of;

the inside from the bottom up of filter equipment shell has set gradually leading filter screen, one-level active carbon filter screen, second grade active carbon filter screen, compression active carbon filter screen, the both ends of filter equipment shell all are provided with the nut, the top inboard of gas collecting channel and the bottom inboard of blast pipe all are provided with the screw.

As a further proposal of the utility model, the two sides of the inner cavity are provided with guide rails before leaning on, the movable glass door is connected with the inner cavity through the guide rails.

As a further aspect of the present invention, the bottom of the inner cavity is provided with a plurality of groups of through holes by the front, and the vent is arranged to communicate with the through holes.

As a further scheme of the utility model, the universal wheel is all installed in main body cover's bottom four corners, main body cover's front portion is provided with control panel and shift knob by one side, main body cover's the front portion is located the top of cabinet door and is provided with a plurality of groups spare socket.

As a further proposal of the utility model, the quantity of the rotating rods is twenty-two, one side of the bottom of the workbench is fixedly provided with a motor, and the output shaft of the motor is fixedly connected with one of the rotating rods.

As a further proposal of the utility model, the inner cavity is in the shape of a right trapezoid, and the bottom of the inner cavity is installed by one side to clean the pool.

As a further proposal of the utility model, the shell of the filtering device is movably connected with the gas collecting hood and the exhaust pipe through screws and nuts.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in through setting up gas collecting channel cooperation guide plate, outside air current gets into the inner chamber from the lower part of vent and removal glass door, it gets into the gas collecting channel to drive harmful gas such as acid mist along the guide plate, get into the inside filter core of filter equipment shell afterwards, pass through leading filter screen in proper order, one-level active carbon filter screen, second grade active carbon filter screen, compress the active carbon filter screen, acid mist neutralization liquid in the acid mist neutralization apparatus can be spouted by the spray pipe simultaneously, can dispose most particulate matter and harmful substance in the gas through the adsorption filtration of multilayer active carbon filter screen, cooperate acid mist neutralization liquid again and handle the acid mist, make the gas that gets into the blast pipe reach emission standard, carry out effectual filtration treatment to harmful gas, the pollution of environment has been reduced by a wide margin;

through setting up screw cooperation nut, during installation or dismantlement, only need rotate the nut, make nut and screwed connection or separation, thereby make filter equipment shell and gas collecting channel, the blast pipe is connected or the separation, can take out the filter core of inside change after taking off the filter equipment shell, also can wash or maintain the filter equipment shell simultaneously, whole dismantlement and installation process are all very convenient simple, time and manpower have not only been saved, service life has also been increased, the service efficiency of device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a portable fume hood with acid mist treatment according to the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of a filter unit having a portable fume hood with acid mist treatment according to the present invention;

fig. 3 is a schematic view of the connection of the housing of a filter device with a portable fume hood with acid mist treatment according to the present invention.

In the figure: 1. a cabinet door; 2. a main body housing; 3. a vent; 4. moving the glass door; 5. a baffle; 6. a gas-collecting hood; 7. a filter housing; 8. an exhaust pipe; 9. a spray tube; 10. an acid mist neutralization device; 11. a pre-filter screen; 12. a primary activated carbon filter screen; 13. a secondary activated carbon filter screen; 14. compressing the activated carbon filter screen; 15. a screw; 16. a nut; 17. an inner cavity.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a movable sealed fume hood with acid mist treatment comprises a main body casing 2, a cabinet door 1 is mounted below the front part of the main body casing 2, a plurality of groups of ventilation openings 3 are arranged in the middle of the front part of the main body casing 2, an inner cavity 17 is arranged above the front part of the main body casing 2, a movable glass door 4 is arranged at the front part of the inner cavity 17, a guide plate 5 is mounted behind the inner cavity 17, a gas collecting hood 6 is mounted in the middle of the top part of the main body casing 2, a filtering device casing 7 is mounted at the top part of the gas collecting hood 6, an exhaust pipe 8 is arranged at the top part of the filtering device casing 7, an acid mist neutralizing device 10 is mounted at one side of the top part of the main body casing 2, and a spray pipe 9 is;

the inside from the bottom up of filter equipment shell 7 has set gradually leading filter screen 11, one-level active carbon filter screen 12, second grade active carbon filter screen 13, compression active carbon filter screen 14, and the both ends of filter equipment shell 7 all are provided with nut 16, and the top inboard of gas collecting channel 6 and the bottom inboard of blast pipe 8 all are provided with screw 15.

Guide rails are arranged at the two sides of the inner cavity 17 close to the front, and the movable glass door 4 is movably connected with the inner cavity 17 through the guide rails, so that the movable glass door 4 can be conveniently opened or closed;

a plurality of groups of through holes are arranged at the bottom of the inner cavity 17 close to the front, and the vent 3 is arranged to be communicated with the through holes, so that sufficient air in the inner cavity 17 can be ensured;

four corners of the bottom of the main body shell 2 are respectively provided with a universal wheel, a control panel and a switch button are arranged on one side of the front part of the main body shell 2, and a plurality of groups of spare sockets are arranged on the front part of the main body shell 2 above the cabinet door 1, so that the use and the operation are convenient;

the inner cavity 17 is arranged in a right trapezoid shape, and a cleaning pool is arranged at one side of the bottom of the inner cavity 17, so that air circulation in the inner cavity 17 is facilitated, and cleaning is facilitated;

the filtering device shell 7 is movably connected with the gas collecting hood 6 and the exhaust pipe 8 through a screw 15 and a nut 16.

It should be noted that, the utility model relates to a portable sealed fume hood with acid mist treatment, when using, at first, utilize the universal wheel to move the fume hood to the appointed position, switch on the power of the fume hood, check whether each function can be used normally, start the experiment after confirming no mistake, can make things convenient for the removal of removal glass door 4 through setting up removal glass door 4 and cooperating the guide rail, drag the handle to promote upwards earlier and open removal glass door, open cabinet door 1 and take out required laboratory glassware, place in the bottom of cavity 17, prepare required experimental reagent, press switch button after the fan starts work under the circular telegram state, pour reagent into and mix, when producing harmful gas such as acid mist in the experimental process, through setting up gas collecting hood 6 and cooperating guide plate 5, outside air current gets into cavity 17 from vent 3 and removal glass door 4's lower part, harmful gases such as acid mist and the like are driven to enter the gas collecting hood 6 along the guide plate 5 and then enter an internal filter element of the filtering device shell 7, the harmful gases sequentially pass through a preposed filter screen 11, a primary activated carbon filter screen 12, a secondary activated carbon filter screen 13 and a compressed activated carbon filter screen 14, acid mist neutralizing liquid in the acid mist neutralizing device 10 is sprayed out by a spray pipe 9, most of particulate matters and harmful substances in the gases can be treated by adsorption and filtration of multiple layers of activated carbon filter screens, and then the acid mist neutralizing liquid is matched to treat the acid mist, so that the gases entering the exhaust pipe 8 reach the emission standard, the harmful gases are effectively filtered, the environmental pollution is greatly reduced, the gas collecting hood 6 and the filtering device shell 7 are matched with a screw 15 and a nut 16, only the nut 16 needs to be rotated to be connected or separated from the screw 15 during installation or disassembly, and the filtering device shell 7 and the gas collecting hood 6 are further used, The exhaust pipe 8 is connected or separated, the filter element inside can be taken out and replaced after the filtering device shell 7 is taken down, meanwhile, the filtering device shell 7 can also be cleaned or maintained, the whole disassembly and installation process is very convenient and simple, the time and labor are saved, the service life is prolonged, and the service efficiency of the device is improved.

The utility model discloses a set up gas collecting channel 6 and cooperate guide plate 5, outside air current gets into interior cavity 17 from the lower part of vent 3 and removal glass door 4, it gets into gas collecting channel 6 to drive harmful gas such as acid mist along guide plate 5, get into the inside filter core of filter equipment shell 7 afterwards, pass through leading filter screen 11 in proper order, one-level active carbon filter screen 12, second grade active carbon filter screen 13, compress active carbon filter screen 14, acid mist neutralization liquid in acid mist neutralization device 10 can be spouted by spray pipe 9 simultaneously, can dispose most particulate matter and harmful substance in the gas through the adsorption filtration of multilayer active carbon filter screen, deuterogamy acid mist neutralization liquid and handle the acid mist, make the gas that gets into blast pipe 8 reach emission standard, carry out effectual filtration treatment to harmful gas, the pollution of environment has been reduced by a wide margin; through setting up gas collecting channel 6 and filter equipment shell 7 cooperation screw 15 and nut 16, during installation or dismantlement, only need to rotate nut 16, make nut 16 be connected or the separation with screw 15, thereby make filter equipment shell 7 and gas collecting channel 6, blast pipe 8 is connected or the separation, can take out the filter core of inside change after taking off filter equipment shell 7, also can wash or maintain filter equipment shell 7 simultaneously, whole dismantlement and installation are all very convenient simple, time and manpower have not only been saved, and service life is also increased, the service efficiency of device is improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A kind of portable sealed fume cupboard with acid mist treatment, characterized by that: the cabinet door comprises a main body shell (2), wherein a cabinet door (1) is installed on the front portion of the main body shell (2) close to the lower portion, a plurality of groups of ventilation openings (3) are formed in the front portion of the main body shell (2) in the middle, an inner cavity (17) is formed in the front portion of the main body shell (2) close to the upper portion, a movable glass door (4) is arranged on the front portion of the inner cavity (17), a guide plate (5) is installed on the inner portion of the inner cavity (17) close to the rear portion, a gas collecting hood (6) is installed in the middle of the top portion of the main body shell (2), a filtering device shell (7) is installed on the top portion of the gas collecting hood (6), an exhaust pipe (8) is arranged on the top portion of the filtering device shell (7), an acid mist neutralizing device (10) is installed on one;

the inside from the bottom up of filter equipment shell (7) has set gradually leading filter screen (11), one-level active carbon filter screen (12), second grade active carbon filter screen (13), compression active carbon filter screen (14), the both ends of filter equipment shell (7) all are provided with nut (16), the top inboard of gas collecting channel (6) and the bottom inboard of blast pipe (8) all are provided with screw (15).

2. The fume hood as claimed in claim 1, wherein the fume hood is a mobile fume hood with acid mist treatment, wherein: the two sides of the inner cavity (17) are provided with guide rails in the front, and the movable glass door (4) is movably connected with the inner cavity (17) through the guide rails.

3. The fume hood as claimed in claim 1, wherein the fume hood is a mobile fume hood with acid mist treatment, wherein: the bottom of the inner cavity (17) is provided with a plurality of groups of through holes close to the front, and the ventilation opening (3) is communicated with the through holes.

4. The fume hood as claimed in claim 1, wherein the fume hood is a mobile fume hood with acid mist treatment, wherein: the universal wheels are installed at four corners of the bottom of the main body casing (2), a control panel and a switch button are arranged on one side of the front portion of the main body casing (2), and a plurality of groups of spare sockets are arranged above the cabinet door (1) on the front portion of the main body casing (2).

5. The fume hood as claimed in claim 1, wherein the fume hood is a mobile fume hood with acid mist treatment, wherein: the inner cavity (17) is in a right trapezoid shape, and a cleaning pool is arranged at one side of the bottom of the inner cavity (17).

6. The fume hood as claimed in claim 1, wherein the fume hood is a mobile fume hood with acid mist treatment, wherein: the filtering device shell (7) is movably connected with the gas collecting hood (6) and the exhaust pipe (8) through screws (15) and nuts (16).