CN210832422U

CN210832422U - Automatic ventilation equipment is used in laboratory

Info

Publication number: CN210832422U
Application number: CN201921725883.7U
Authority: CN
Inventors: 宋增锋; 宁旭丹; 刘建峰; 王苗
Original assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Current assignee: Shaanxi Songfeng Experimental Equipment Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-23
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses an automatic ventilation equipment is used in laboratory, include: a wall body, a shell body, a pair of fixing frames with the same structure, an air duct, a top plate, a check valve, an air suction cover, a vacuum generator, a first air filter element and an air inlet part, the shell is inserted in the wall body, the pair of fixing frames is fixedly arranged at the two ends of the shell, the top end of the air suction hood is fixedly connected with the bottom end of the air duct, the top plate is fixedly arranged at the top end of the air duct and is fixedly connected with the wall body, the utility model relates to the technical field of laboratory ventilation equipment, the device has reasonable design, simple structure, simple using method and convenient operation, keeps the interior of the air duct in a negative pressure state through the vacuum generator, leads the waste gas to be discharged through the exhaust pipe, simultaneously, filter the waste gas of emission through air filter, avoid causing the atmosphere to pollute, filter the air that gets into the laboratory through the air inlet, prevent to cause other influences to the experimenter.

Description

Automatic ventilation equipment is used in laboratory

Technical Field

The utility model relates to a laboratory ventilation equipment technical field specifically is an automatic ventilation equipment is used in laboratory.

Background

Ventilation, also known as air exchange, is to send enough fresh air to the indoor space by mechanical or natural method, and simultaneously discharge the dirty air which is not in line with the sanitary requirement in the room, so that the indoor air meets the sanitary requirement and the requirement of the production process, each facility for completing the ventilation work in the building is generally called ventilation equipment, the ventilation equipment is divided into two types of fans for industrial use and household use, and the fans are divided into high, medium, low, negative pressure and the like, in a chemical laboratory, various harmful gases, odor, moisture and flammable, explosive and corrosive substances can be generated during the experimental operation, the safety of a user can be protected by the ventilation equipment, and the pollutant in the experiment can be prevented from diffusing to the laboratory, but the existing ventilation equipment in the laboratory has a complex structure and is inconvenient for later maintenance, when in use, most harmful gases generated in the experiment can be directly discharged to the air, the air purifier has no filtering effect, is low in waste gas collecting efficiency, and is easy to cause other influences on experimenters because air entering a laboratory is not treated when the laboratory is ventilated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an automatic ventilation equipment is used in laboratory has solved current laboratory ventilation equipment structure complicacy, inconvenient later maintenance, when using, most direct with the experiment in produced harmful gas directly discharge to the air, do not possess the filter effect, waste gas collection inefficiency simultaneously to when ventilating the laboratory, not handle the air that gets into the laboratory, cause the problem of other influences to the laboratory personnel easily.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic ventilation equipment is used in laboratory mainly includes: the air-suction-type air filter comprises a wall body, a shell, a pair of fixing frames with the same structure, an air guide pipe, a top plate, a check valve, an air suction cover, a vacuum generator, a first air filter element, an exhaust pipe and an air inlet part, wherein the shell is inserted into the wall body;

the air inlet portion includes: the air filter comprises a shell, a fan, a filter screen and a second air filter element;

the casing inlays and adorns inside the wall body, and is relative position with the casing, the fan inlays and adorns inside the casing, filter screen fixed mounting is inside the casing, and is located casing one end, second air filter fixed mounting is inside the casing to be located between filter screen and the fan.

Preferably, be equipped with supplementary absorption portion on the air duct, supplementary absorption portion includes: the connecting components, the water tank, the water inlet, the water outlet and the control valve are in the same structure;

the air guide pipe is fixedly arranged on the water tank, the water tank is fixedly arranged between the pair of connecting assemblies and is positioned above the check valve, the water inlet is fixedly arranged on the water tank and is positioned at the top end of the water tank, the water outlet is fixedly arranged on the water tank and is positioned at the bottom end of the water tank, and the control valve is arranged on the water outlet.

Preferably, the connection assembly includes: the connecting structure comprises a first connecting plate, a second connecting plate and a plurality of threaded components with the same structure;

the first connecting plate is fixedly installed on the air guide pipe, the second connecting plate is fixedly installed at two ends of the water tank and attached to the first connecting plate, and the threaded assemblies are fixedly inserted into joints of the first connecting plate and the second connecting plate.

Preferably, the air suction cover is of a cylindrical cavity structure, the air suction cover is provided with a transition groove, and the top end of the transition groove is provided with a connector.

Preferably, the water tank is a cylindrical cavity structure, an observation port is formed in the side wall surface of the water tank, the observation port is in a long circle shape, a pair of second circular through holes with the same structure are formed in the water tank, and the second circular through holes are matched with the water inlet and the water outlet.

Preferably, first connecting plate and second connecting plate all are ring shape platelike structure, a plurality of first circular through-holes that the structure is the same have all been seted up on first connecting plate and the second connecting plate, and is a plurality of first circular through-holes match each other with a plurality of screw assemblies, first connecting plate and second connecting plate laminating department are equipped with sealed the pad.

Advantageous effects

The utility model provides an automatic ventilation equipment is used in laboratory possesses following beneficial effect: this laboratory is with automatic ventilation equipment reasonable in design, moreover, the steam generator is simple in structure, the operation of using method simple is convenient for, keep the inside negative pressure state that is of air duct through vacuum generator, make waste gas pass through the blast pipe and discharge, and simultaneously, filter the waste gas that discharges through air filter, avoid causing the atmosphere pollution, filter the air that gets into the laboratory through the air inlet portion, prevent to cause other influences to the laboratory personnel, it is complicated to have solved current laboratory ventilation equipment structure, inconvenient later maintenance, when using, most direct discharge produced harmful gas in the experiment to the air in, do not possess the filter effect, simultaneously waste gas collection inefficiency, and when ventilating the laboratory, do not handle the air that gets into the laboratory, cause the problem of other influences to the laboratory easily.

Drawings

Fig. 1 is the utility model relates to a laboratory is with automatic ventilation equipment's main structure sketch map of looking.

Fig. 2 is the utility model relates to a laboratory is with automatic ventilation equipment's left side view structure schematic diagram.

Fig. 3 is the utility model relates to a laboratory is with automatic ventilation equipment's right side view structure schematic.

Fig. 4 is a schematic diagram of a partially enlarged structure of the automatic ventilation apparatus for a laboratory according to fig. 1 of the present invention.

In the figure: 1. a wall body; 2. a housing; 3. a fixed mount; 4. an air duct; 5. a top plate; 6. a check valve; 7. an air suction hood; 8. a vacuum generator; 9. a first air filter element; 10. a housing; 11. a fan; 12. filtering with a screen; 13. a second air filter element; 14. a water tank; 15. a water inlet; 16. a water outlet; 17. a control valve; 18. a first connecting plate; 19. a second connecting plate; 20. a threaded assembly; 21. and (4) exhausting the gas.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example (b): the utility model provides a technical scheme: according to the attached figures 1-4 in the specification, the automatic ventilation equipment for the laboratory mainly comprises: wall body 1, casing 2, a pair of mount 3 that the structure is the same, air duct 4, roof 5, check valve 6, the cover 7 that induced drafts, vacuum generator 8, first air filter 9, blast pipe 21 and air inlet portion, the connection relation as follows:

the air-purifying device comprises a shell 2, a pair of fixing frames 3, an air suction cover 7, a top plate 5, a top plate 8, a check valve 6, an air guide pipe 4, a vacuum generator 8, a first air filter element 9, a second air filter element 9, a heat exchanger and a heat exchanger, wherein the shell 2 is inserted into a wall body 1, the fixing frames 3 are fixedly arranged at two ends of the shell 2, the top end of the air suction cover 7 is fixedly connected with the bottom end of the air guide pipe 4, the top plate 5 is fixedly arranged at the top end of the air guide pipe 4 and is fixedly connected with the wall body 1, the check valve;

the air inlet portion includes: the air purifier comprises a shell 10, a fan 11, a filter screen 12 and a second air filter element 13;

the casing 10 is embedded in the wall 1 and is opposite to the casing 2, the fan 11 is embedded in the casing 10, the filter screen 12 is fixedly installed in the casing 10 and is located at one end of the casing 10, and the second air filter element 13 is fixedly installed in the casing 10 and is located between the filter screen 12 and the fan 11.

Can know through above-mentioned general condition, when using, support fixedly fan 11 through shell 10, start fan 11, through the rotation of fan 11 with outdoor air transport to laboratory inside, filter the air of carrying through filter screen 12, prevent that the grit from getting into the laboratory, through-hole second air filter element 13 filters dust and harmful substance in the air, prevents at the ventilation in-process, in the harmful gas that mix with in the air gets into the laboratory.

According to the general conditions, when the air duct ventilation device is used, the air duct 4 is supported through the top plate 5, the air duct 4 is convenient to detach and install, the exhaust pipe 21 and the vacuum generator 8 are supported and fixed through the shell 2 pair and the fixing frame 3, the vacuum generator 8 is started, the exhaust pipe 21 is in a negative pressure state through the vacuum generator 8, waste gas generated in an experiment is discharged from the exhaust pipe 21 through the air duct 4, the waste gas is filtered through the first air filter element 9 to prevent air pollution, the collection area of the waste gas by the air duct 4 is increased through the air suction cover 7, the waste gas backflow is prevented through the check valve 6, the ventilation efficiency is improved through the air inlet part, the problems that the existing laboratory ventilation device is complex in structure and inconvenient in later maintenance are solved, most harmful gas generated in the experiment is directly discharged into the air in use, not possessing the filter effect, waste gas collection inefficiency simultaneously to when ventilating the laboratory, not handling the air that gets into the laboratory, cause the problem of other influences to the experimenter easily.

Preferably, the air duct 4 is further provided with an auxiliary absorption part, and the auxiliary absorption part includes: a pair of coupling assembling that the structure is the same, the water tank 14, water inlet 15, delivery port 16 and control valve 17, a pair of coupling assembling fixed mounting is on air duct 4, water tank 14 fixed mounting is between a pair of coupling assembling, and be located check valve 6 top, water inlet 15 fixed mounting is on water tank 14, and be located the top of water tank 14, delivery port 16 fixed mounting is on water tank 14, and be located the bottom of water tank 14, control valve 17 suit is on delivery port 16, when using, through water inlet 15 to the water tank 14 in water tank, gas such as hydrogen sulfide that produce in the experiment is dissolved to moisture content in through the water tank 14, prevent that gas such as hydrogen sulfide from discharging to in controlling, cause the pollution to the atmosphere, simultaneously to the moisture periodic replacement in the water tank 14, start control valve 17, discharge moisture through delivery port 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the phrase" comprising a.once.a.limited element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic ventilation equipment is used in laboratory mainly includes: the air filter comprises a wall body (1), a shell body (2), a pair of fixing frames (3) with the same structure, an air guide pipe (4), a top plate (5), a check valve (6), an air suction cover (7), a vacuum generator (8), a first air filter element (9), an exhaust pipe (21) and an air inlet part, and is characterized in that the shell body (2) is inserted into the wall body (1), the pair of fixing frames (3) are fixedly installed at two ends of the shell body (2), the top end of the air suction cover (7) is fixedly connected with the bottom end of the air guide pipe (4), the top plate (5) is fixedly installed at the top end of the air guide pipe (4) and is fixedly connected with the wall body (1), the check valve (6) is sleeved on the air guide pipe (4) and is positioned above the air suction cover (7), one end of the exhaust pipe (21) is fixedly connected with the air guide pipe (4), the vacuum generator (8) is inserted into the shell (2), and the first air filter element (9) is fixedly arranged at the other end of the exhaust pipe (21);

the air inlet portion includes: the air filter comprises a shell (10), a fan (11), a filter screen (12) and a second air filter element (13);

the casing (10) inlays and adorns in wall body (1) inside, and is relative position with casing (2), fan (11) inlays and adorns in casing (10) inside, filter screen (12) fixed mounting is inside in casing (10), and is located casing (10) one end, second air filter (13) fixed mounting is inside in casing (10) to be located between filter screen (12) and fan (11).

2. The laboratory automatic ventilation device according to claim 1, wherein an auxiliary absorption portion is provided on the air duct (4), the auxiliary absorption portion comprising: a pair of connecting components with the same structure, a water tank (14), a water inlet (15), a water outlet (16) and a control valve (17);

the connecting assemblies are fixedly mounted on the air guide tubes (4), the water tank (14) is fixedly mounted between the connecting assemblies and located above the check valve (6), the water inlet (15) is fixedly mounted on the water tank (14) and located at the top end of the water tank (14), the water outlet (16) is fixedly mounted on the water tank (14) and located at the bottom end of the water tank (14), and the control valve (17) is sleeved on the water outlet (16).

3. The laboratory automatic ventilation apparatus of claim 2, wherein the connection assembly comprises: a first connecting plate (18), a second connecting plate (19) and a plurality of thread assemblies (20) with the same structure;

the first connecting plate (18) is fixedly installed on the air guide tube (4), the second connecting plate (19) is fixedly installed at two ends of the water tank (14) and attached to the first connecting plate (18), and the plurality of threaded assemblies (20) are fixedly inserted into the joints of the first connecting plate (18) and the second connecting plate (19).

4. The automatic ventilation equipment for the laboratory according to claim 1, wherein the air suction hood (7) is of a cylindrical cavity structure, a transition groove is formed in the air suction hood (7), and a connecting port is formed in the top end of the transition groove.

5. The automatic ventilation equipment is used in laboratory according to claim 2, characterized in that water tank (14) is cylindrical cavity structure, the lateral wall face of water tank (14) has a viewing port, the viewing port is long round, the water tank (14) has a pair of second circular through holes with the same structure, and the second circular through holes are matched with water inlet (15) and water outlet (16).

6. The automatic ventilation equipment is used in laboratory according to claim 3, characterized in that first connecting plate (18) and second connecting plate (19) all are the annular platelike structure, all seted up a plurality of first circular through-holes that the structure is the same on first connecting plate (18) and second connecting plate (19), a plurality of first circular through-hole matches each other with a plurality of screw assemblies (20), first connecting plate (18) and second connecting plate (19) laminating department are equipped with sealed the pad.