CN217017880U

CN217017880U - Laboratory energy-saving spraying ventilation cabinet

Info

Publication number: CN217017880U
Application number: CN202122982800.6U
Authority: CN
Inventors: 刘华; 黄学元; 周程
Original assignee: Hubei Tianyuxin Purification Technology Co ltd
Current assignee: Hubei Tianyuxin Purification Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-07-22
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to an energy-conserving fume chamber that sprays in laboratory especially relates to the field of fume chamber, and it includes the cabinet body, air-supply line, purifies subassembly and exhaust subassembly, the air-supply line sets up on the cabinet body, just the air-supply line with internal chamber of cabinet intercommunication, it includes the absorption piece to purify the subassembly, it follows to adsorb the piece the air-supply line cross section direction sets up in the air-supply line, exhaust subassembly includes the air pump, the air pump air inlet with internal chamber of cabinet intercommunication. This application can promote the exhaust effect of fume chamber.

Description

Laboratory energy-saving spraying ventilation cabinet

Technical Field

The application relates to the field of fume hoods, in particular to a laboratory energy-saving spraying fume hood.

Background

In chemical laboratories, the laboratory process produces various harmful gases, fumes, humidity and flammable, explosive and corrosive substances, in order to protect the safety of laboratory personnel and to prevent the diffusion of the pollutants in the laboratory, fume hoods are generally used in the laboratory.

The utility model discloses an application number is 201921891010.3's chinese utility model patent discloses an energy-conserving fume chamber that sprays in laboratory, including the cabinet body and dry box, the top inner wall fixed mounting of the cabinet body has the purification box, the inside upper end that purifies the box is provided with the siphunculus, the bottom of siphunculus is connected with a plurality of group's shower nozzles, cabinet body upper end is equipped with the intake pipe, intake pipe and the inner chamber intercommunication that purifies the box, the inside of intake pipe is provided with the air exhauster, the bottom inner wall middle part of the cabinet body is equipped with the liquid medicine case, one side of liquid medicine case is equipped with the water pump, the inlet tube and the liquid medicine case inner chamber intercommunication of water pump, the terminal and siphunculus intercommunication of outlet pipe of water pump, the top inner wall of liquid medicine case has been seted up and has been added the mouth. When the air purifier is used, the exhaust fan is started, the exhaust fan sucks indoor air into the purification box, the water pump is started, liquid medicine in the liquid medicine tank is poured into the through pipe by the water pump and then is sprayed out through the spray head, the liquid medicine disinfects the air in the purification box, and the purified air is dried and discharged through the drying box.

In view of the above-mentioned related art, the inventor believes that after air enters the purifying box and is disinfected by liquid medicine, the disinfected air is not easy to enter the drying box from the purifying box, so that the exhaust effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to promote the exhaust effect of fume chamber, this application provides an energy-conserving fume chamber that sprays in laboratory.

The application provides a laboratory energy-saving spraying ventilation cabinet adopts following technical scheme:

the utility model provides an energy-conserving fume chamber that sprays in laboratory, includes the cabinet body, air-supply line, purifies subassembly and exhaust subassembly, the air-supply line sets up on the cabinet body, just the air-supply line with cabinet body cavity intercommunication, it includes the absorption piece to purify the subassembly, it follows to adsorb the piece the air-supply line cross section direction sets up in the air-supply line, exhaust subassembly includes the air pump, the air pump air inlet with cabinet body cavity intercommunication.

Through adopting above-mentioned technical scheme, when the fume chamber need be discharged, operating personnel opens the air pump, and the air pump is taken out the gas in the fume chamber for become negative pressure state in the fume chamber, thereby make in the laboratory gas follow air-supply line get into the fume chamber, gaseous through the preliminary edulcoration of adsorption piece absorption, then take out through the air pump and arrange outdoors. The cabinet body, air-supply line, purification subassembly and the exhaust subassembly of design, through the air pump with the laboratory in harmful gas suction to the fume chamber, again through the preliminary edulcoration purification of adsorption element, then the air pump discharges the gas suction of edulcoration outdoor to make gas discharge from the fume chamber more easily, and then promote the exhaust effect of fume chamber.

Optionally, a through hole is formed in the top of the air inlet pipe at the adsorption part, the purification assembly further comprises a box body and a dropper with a valve, the box body is arranged on the cabinet body and used for containing liquid medicine, the dropper is arranged below the box body and communicated with the inner cavity of the box body, and one end, far away from the box body, of the dropper extends into the through hole.

By adopting the technical scheme, when the air pump is started, the valve on the dropper is opened, the liquid medicine in the box drops from the box body due to the reason of gravity, then drops to the adsorption piece from the through hole under the drainage effect of the dropper, and when the gas passes through the adsorption piece, the liquid medicine can clean and purify the gas, so that the gas enters the ventilation cabinet. The purification component, the through hole and the adsorption piece are designed to be filled with liquid medicine through the box body and drained through the dropper, so that the adsorption piece is matched to purify gas, the content of harmful substances in the gas is reduced, and the possibility of reducing the environment pollution in a discharge room is reduced.

Optionally, the air-supply line in the adsorption element bottom is equipped with a liquid outlet, the liquid outlet below is equipped with the collecting vessel, the collecting vessel sets up in the fume chamber.

Through adopting above-mentioned technical scheme, when the liquid medicine in the box instiled into when adsorbing on the piece, partial liquid medicine flows from the liquid outlet of air-supply line, and then in the drippage collecting vessel. The designed collecting barrel can collect redundant liquid medicine in a centralized manner, and the collected liquid medicine can be recycled, so that resources are saved.

Optionally, the adsorption piece is detachably connected with the air inlet pipe.

Through adopting above-mentioned technical scheme, after adsorbing the piece live time longer, adsorb a decline, later, operating personnel will adsorb the piece and dismantle from the air-supply line, install new adsorption component on the air-supply line. The absorption piece of design can be dismantled with the air-supply line and be connected, makes things convenient for operating personnel in time to change and adsorbs the piece to keep adsorbing the practicality of piece.

Optionally, the air pump further comprises a drying assembly, and the drying assembly is arranged at the air outlet end of the air pump and used for drying air.

Through adopting above-mentioned technical scheme, the dry subassembly of design reduces the content of the liquid medicine in the gas that discharges the external environment to reduce environmental pollution's possibility.

Optionally, the drying assembly comprises a drying barrel and an exhaust pipe, the drying barrel is communicated with the air outlet of the air pump, a drying agent is placed in the drying barrel, and the exhaust pipe is communicated with the inner cavity of the drying barrel.

Through adopting above-mentioned technical scheme, when opening the air pump, the gas in the air pump suction fume chamber to with gas suction to the drying bucket in, gaseous and the drying agent in the drying bucket contact each other, make the drying agent with gaseous interior liquid medicine absorption that has of mixing, gaseous through the blast pipe discharge outside after the drying agent, reduce the liquid medicine and discharge to the external world along with gas, protect external environment. The drying assembly of design, through mutually supporting of drying bucket, blast pipe and air pump, can absorb the liquid medicine that mixes in the gas, and then make the gaseous content that contains the liquid medicine reduce to the environmental protection.

Optionally, the air inlet end of the air inlet pipe is provided with a filter screen.

Through adopting above-mentioned technical scheme, the filter screen of design helps the filter screen to carry out the first filtration with the air that gets into in the fume chamber, promotes to purify carminative effect.

Optionally, the filter screen is slidably clamped on the air inlet pipe.

Through adopting above-mentioned technical scheme, when being stained with more dust on the filter screen, operating personnel slides the filter screen and takes out from the air-supply line, then washs, waits to wash and to finish the back installation and reset. The filter screen of design slip joint is on the air-supply line, and the operating personnel of being convenient for takes off the filter screen and washs, keeps the filter effect of filter screen.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the designed cabinet body, the air inlet pipe, the purification assembly and the exhaust assembly, harmful gas in a laboratory is sucked into the fume hood through the air pump, then primary impurity removal and purification are carried out through the adsorption piece, and then the impurity removed gas is sucked and exhausted outdoors through the air pump, so that the gas is easier to exhaust from the fume hood, and the exhaust effect of the fume hood is improved;

2. the designed purification component, the through hole and the adsorption piece contain liquid medicine through the box body, and the liquid medicine is drained through the dropper, so that the purification component is matched with the adsorption piece to purify gas, the content of harmful substances in the gas is reduced, and the gas is discharged indoors to reduce the possibility of environmental pollution;

3. the drying assembly of design, through mutually supporting of drying bucket, blast pipe and air pump, can absorb the liquid medicine that mixes in the gas, and then make the gaseous content that contains the liquid medicine reduce to the environmental protection.

Drawings

Fig. 1 is an overall structural schematic diagram of a laboratory energy-saving spray fume hood according to an embodiment of the present application.

Fig. 2 is another schematic view of the energy-saving spray fume hood for laboratory in fig. 1.

Fig. 3 is a cross-sectional view of the air inlet duct of fig. 1.

Description of reference numerals: 1. a cabinet body; 11. a cabinet door; 2. an air inlet pipe; 21. a through hole; 22. a liquid outlet; 23. a filter screen; 3. a purification component; 31. an adsorbing member; 32. a box body; 321. supporting legs; 33. a dropper; 34. a valve; 4. an exhaust assembly; 41. an air pump; 5. a drying assembly; 51. drying the barrel; 52. an exhaust pipe; 6. and (6) a collecting barrel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses energy-conserving fume chamber that sprays in laboratory. Referring to fig. 1 and 2, the laboratory energy-saving spraying ventilation cabinet comprises a cabinet body 1, an air inlet pipe 2, a purification assembly 3, an exhaust assembly 4 and a drying assembly 5, wherein the cabinet body 1 is arranged in a cuboid shape, the side edge of the cabinet body 1 is hinged with a cabinet door 11 through a hinge, the air inlet pipe 2 is welded on the upper part of the cabinet body 1 along the length direction of the cabinet body 1, the air inlet pipe 2 is communicated with the inner cavity of the cabinet body 1, a filter screen 23 is arranged at one end of the air inlet pipe 2 away from the cabinet body 1, the filter screen 23 is slidably clamped at the end part of the air inlet pipe 2, and the filter screen 23 can be upwards drawn away along the height direction of the cabinet body 1; the purification component 3 and the exhaust component 4 are both arranged on the cabinet body 1; the drying assembly 5 is disposed on the exhaust assembly 4.

Referring to fig. 1 and fig. 3, the purifying assembly 3 includes an adsorbing member 31, a box 32 and a dropper 33 with a valve 34, the adsorbing member 31 is clamped in the air inlet pipe 2 and is located in the cabinet 1, the air inlet pipe 2 is provided with a through hole 21 at the top of the adsorbing member 31, and a liquid outlet 22 is provided at the bottom of the adsorbing member 31; box 32 passes through the supporting leg 321 and welds at cabinet 1 top, the liquid medicine of purified gas has been put in the box 32, box 32 open-top sets up, and box 32 top slip joint has the apron, box 32 bottom and burette 33 intercommunication, burette 33 runs through cabinet 1 roof and stretches into to cabinet 1 in, and the one end that burette 33 kept away from box 32 stretches into to through-hole 21 in, valve 34 is located cabinet 1 top, a collecting vessel 6 has been placed to cabinet 1 bottom, 6 open-top of collecting vessel, collecting vessel 6 is located under liquid outlet 22, in this embodiment, absorption 31 adopts the sponge.

Referring to fig. 1, the exhaust assembly 4 includes a duct and an air pump 41, the duct is welded at the lower part of the cabinet 1 and is arranged at the opposite side of the cabinet 1 relative to the air inlet pipe 2, the duct is communicated with the inner cavity of the cabinet 1, and one end of the duct far away from the cabinet 1 is connected with the air inlet of the air pump 41 through a flange.

Referring to fig. 1, the drying assembly 5 includes a drying tub 51, a drying agent and an exhaust pipe 52, the drying tub 51 is communicated with an air outlet of the air pump 41 through an air pipe, the drying agent is placed in the drying tub 51, one end of the exhaust pipe 52 is welded to the drying tub 51, and the exhaust pipe 52 is communicated with an inner cavity of the drying tub 51.

The implementation principle of the energy-saving spraying ventilation cabinet in the laboratory is as follows: when needing to give the laboratory exhaust, operating personnel opens air pump 41, open the valve 34 of burette 33 simultaneously, the liquid medicine in the box 32 drips into on adsorbing the piece 31 through burette 33, air pump 41 sucks the gas in the cabinet body 1, make the internal negative pressure state that becomes of cabinet body 1, thereby make the gas in the laboratory get into in the cabinet body 1 from the intake pipe, when gas process adsorbing the piece 31, the liquid medicine in adsorbing the piece 31 and adsorbing the piece 31 purifies the edulcoration to gas, afterwards, in the drying barrel 51 is sucked to air pump 41 again, gas contacts with the drier in drying barrel 51, make the liquid medicine content in the gas reduce, later gas is discharged from blast pipe 52.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an energy-conserving fume chamber that sprays in laboratory which characterized in that: comprises a cabinet body (1), an air inlet pipe (2), a purification component (3) and an exhaust component (4), wherein the air inlet pipe (2) is arranged on the cabinet body (1), the air inlet pipe (2) is communicated with the inner cavity of the cabinet body (1), the purification component (3) comprises an adsorption piece (31), a box body (32) and a dropper (33) with a valve (34), the adsorption piece (31) is arranged in the air inlet pipe (2) along the cross section direction of the air inlet pipe (2), the box body (32) is arranged on the cabinet body (1), the box body (32) is used for containing liquid medicine, the dropper (33) is arranged below the box body (32), and is communicated with the inner cavity of the box body (32), the top of the air inlet pipe (2) is provided with a through hole (21) at the position of the adsorption piece (31), one end of the dropper (33) far away from the box body (32) extends into the through hole (21); the exhaust assembly (4) comprises an air pump (41), and an air inlet of the air pump (41) is communicated with an inner cavity of the cabinet body (1).

2. The laboratory energy saving spray fume hood according to claim 1, wherein: the air-supply line (2) in adsorb piece (31) bottom and be equipped with a liquid outlet (22), liquid outlet (22) below is equipped with collecting vessel (6), collecting vessel (6) set up in the fume chamber.

3. The laboratory energy saving spray fume hood according to claim 1, wherein: the adsorption piece (31) is detachably connected with the air inlet pipe (2).

4. The energy-conserving fume chamber that sprays in laboratory of claim 1, characterized by: the drying device is characterized by further comprising a drying assembly (5), wherein the drying assembly (5) is arranged at the air outlet end of the air pump (41) and used for drying air.

5. The laboratory energy saving spray fume hood according to claim 4, wherein: the drying component (5) comprises a drying barrel (51) and an exhaust pipe (52), the drying barrel (51) is communicated with the air outlet of the air pump (41), a drying agent is placed in the drying barrel (51), and the exhaust pipe (52) is communicated with the inner cavity of the drying barrel (51).

6. The laboratory energy saving spray fume hood according to claim 1, wherein: and a filter screen (23) is arranged at the air inlet end of the air inlet pipe (2).

7. The laboratory energy saving spray fume hood according to claim 6, wherein: the filter screen (23) is clamped on the air inlet pipe (2) in a sliding manner.