CN217748574U - Laboratory exhaust purification fume chamber - Google Patents

Abstract

The utility model relates to a purify fume chamber technical field, specifically be a laboratory exhaust purification fume chamber, it has the absorption degree that improves gas, reduce the frequency that purifier changed and change convenient characteristics, the intelligent cabinet temperature adjusting device comprises a cabinet body, the lower part of the cabinet body is provided with several cabinet, the top of several cabinet is provided with the laboratory bench, the top of laboratory bench is provided with the baffle, auxiliary fan is installed to the lower part of baffle, the front end of the cabinet body is provided with glass unit, the upper portion of the cabinet body is provided with the main fan, the upper portion through connection of the cabinet body has the ventilation pipe, the right-hand member interval of the cabinet body is provided with the purifying box, the clear water has been held in the purifying box, the upper portion interval of the liquid level of clear water is provided with the water inlet, the lower part of the cabinet body is provided with the delivery port, the inside of clear water in the one end immersion purifying box that the cabinet body was kept away from to the ventilation pipe, the middle part of purifying box is provided with the purification screen, the upper portion of purifying box is provided with the activated carbon layer, the upper portion interval on activated carbon layer is provided with the air outlet.

Description

Laboratory exhaust purification fume chamber

Technical Field

The utility model relates to a purify fume chamber technical field, specifically be a laboratory exhaust purification fume chamber.

Background

It is well known that laboratory ventilation is an integral part of laboratory design. To prevent laboratory personnel from inhaling or swallowing toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory.

Gas that produces in the experimentation moves the in-process upwards, can hit on the device's inner wall, and then takes place the backward flow phenomenon, and traditional fume chamber, can not be fine handle backward flow gas, can make some gas flow in the laboratory through the laboratory bench, current fume chamber uses the medicament to assist when purifying waste gas moreover, needs the periodic replacement medicament to it is not very convenient to change, thereby has increased the experiment degree of difficulty.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a laboratory exhaust purification fume chamber, it has the frequency that improves gaseous absorption degree, reduction purifier change and changes convenient characteristics.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the intelligent cabinet temperature adjusting device comprises a cabinet body, the lower part of the cabinet body is provided with several cabinet, several the top of cabinet is provided with the laboratory bench, the top of laboratory bench is provided with the baffle, auxiliary fan is installed to the lower part of baffle, the front end of the cabinet body is provided with glass subassembly, the upper portion of the cabinet body is provided with main fan, the upper portion through connection of the cabinet body has the ventilation pipe, the right-hand member interval of the cabinet body is provided with the purifying box, the clear water has been held in the purifying box, the upper portion interval of the liquid level of clear water is provided with the water inlet, the lower part of the cabinet body is provided with the delivery port, the inside of clear water in the purifying box is immersed to the one end that the cabinet body was kept away from to the ventilation pipe, the middle part of purifying box is provided with the purification filter screen, the upper portion of purification filter screen is provided with the activated carbon layer, the upper portion interval on activated carbon layer is provided with the air outlet.

Furthermore, the glass assembly comprises fixed glass, a slide way, sliding glass and a pressing spring switch, and a handle is arranged on the sliding glass.

Furthermore, a plurality of storage cabinets are respectively provided with a handle.

Furthermore, the upper part of the baffle is arranged in an inclined shape.

Furthermore, the water inlet and the water outlet are provided with valves.

Furthermore, the ventilating pipe and the purifying filter screen are arranged in a sealing way at the contact part with the active carbon layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a laboratory exhaust purification fume chamber possesses following beneficial effect:

this laboratory exhaust purification fume chamber, block the gas that makes it remove to the rear of baffle through the baffle with the backward flow, and through the main fan with auxiliary fan join in marriage with the extraction dynamics that strengthens gas, and then the at utmost pass through the ventilation pipe with the gas that produces in the experimentation and discharge into the clear water in the purifying box, through the clear water, the active carbon layer with purify the multiple filtration and the purification of filter screen, finally discharge the purifying box, because through the first filtration of water, and then impurity content in the gas has been reduced, when passing through the filtration of active carbon layer with purify the filter screen, their loss has been reduced, and then the frequency that purifier changed has been reduced, realize the mesh of drainage and water injection through the cooperation of delivery port and water inlet, and convenient operation.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a left side view schematic diagram of the cabinet body of the present invention.

In the figure: 1. a cabinet body; 2. a storage cabinet; 3. a laboratory bench; 4. a baffle plate; 5. an auxiliary fan; 6. a glass component; 7. a main blower; 8. a ventilation pipe; 9. a purification box; 10. clear water; 11. a water inlet; 12. a water outlet; 13. purifying the filter screen; 14. an activated carbon layer; 15. an air outlet; 16. fixing the glass; 17. a slideway; 18. sliding the glass; 19. a handle; 20. a valve; 21. a spring switch is pressed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-2, the utility model relates to a laboratory exhaust purification fume hood, which comprises a hood body 1, a plurality of storage cabinets 2 are arranged at the lower part of the hood body 1, a handle 19 is respectively arranged on the plurality of storage cabinets 2, the storage cabinets 2 are pulled out by pulling the handle 19, articles for experiment can be taken out, a laboratory bench 3 is arranged at the top end of the plurality of storage cabinets 2, experimental articles are placed on the laboratory bench 3 for experiment, a baffle 4 is arranged at the top end of the laboratory bench 3, an auxiliary fan 5 is arranged at the lower part of the baffle 4, the upper part of the baffle 4 is arranged in an inclined shape, the auxiliary fan 5 is started to suck gas generated by experiment into the rear end of the baffle 4 and move upwards, when a part of the gas moving upwards hits the inner wall of the hood body 1, the gas moves downwards under reaction force, is blocked by the inclined baffle 4 and moves towards the rear end of the baffle 4, the gas is pushed upwards again by the gas moving upwards when the gas does not move to the lower part of the baffle 4, further avoiding the gas from flowing back to the experiment table 3, the front end of the cabinet 1 is provided with the glass assembly 6, the glass assembly 6 comprises fixed glass 16, a slideway 17, sliding glass 18 and a pressing spring switch 21, the pressing spring switch 21 is the prior art, the description is omitted in this embodiment, the sliding glass 18 is provided with a handle 19, the upper part of the glass assembly 6 is provided with a plurality of fixed glasses 16, the connecting parts of the fixed glasses 16 and the glass assembly 6 are provided with the sliding glass 17 and extend to the bottom of the glass assembly 6, the middle parts of the slideways 17 are provided with the pressing spring switch 21, another fixed glass 16 is arranged between the slideways 17, the fixed glass 16 is provided with the handle 19, the handle 19 is grasped to advance the sliding glass 18 upwards, and the pressing spring switch 21 is pressed to fix the sliding glass 18, the experimental article can be put on the experiment table 3 for experiment, the upper part of the cabinet body 1 is provided with the main fan 7, the upper part of the cabinet body 1 is connected with the ventilation pipe 8 in a penetrating way, the auxiliary fan 5 and the main fan 7 are the prior art, the proper model can be selected according to the actual situation, the main blower 7 is started, the main blower 7 sucks the gas generated in the experiment, and is input into a ventilation pipe 8, a purification box 9 is arranged at the right end of the cabinet body 1 at intervals, clean water 10 is contained in the purification box 9, one end of the ventilation pipe 8 far away from the cabinet body 1 is immersed into the clean water in the purification box 9, the gas in the ventilation pipe 8 is output into the clean water 10 through the bottom end of the ventilation pipe 8 for primary filtration, water inlets 11 are arranged at intervals at the upper part of the liquid level of the clean water 10, a water outlet 12 is arranged at the lower part of the cabinet body 1, valves 20 are arranged at the water inlets 11 and the water outlet 12, after the clean water 10 filters the gas for a period of time, the valve 20 of the water outlet 12 is opened to discharge the water in the purifying box 9, when the clean water 10 in the purifying box 9 is reduced or needs to be replaced, the valve 20 of the water inlet 11 is opened to add the clean water 10, the purifying filter net 13 is arranged in the middle of the purifying box 9, the gas discharged from the clean water 10 moves upwards after being filtered for the second time by the purifying filter net 13, the activated carbon layer 14 is arranged on the upper part of the purifying box 9, the gas after being filtered for the second time moves upwards after being purified by the activated carbon layer 14, the contact part between the ventilating pipe 8 and the purifying filter net 13 and the activated carbon layer 14 is arranged in a sealing way, so that the gas discharged from the clean water 10 is prevented from being discharged through the contact part between the ventilating pipe 8 and the purifying filter net 13 and the activated carbon layer 14, and further cause the pollution to the air, the upper portion interval of active carbon layer 14 is provided with air outlet 15, and the gas after active carbon layer 14 filtration purification passes through air outlet 15 and discharges purifying box 9.

In summary, in the laboratory exhaust gas purification fume hood, when in use, the main fan 7 and the auxiliary fan 5 are started, the handle 19 on the sliding glass 18 is grasped, the sliding glass 18 is lifted upwards, the pressing spring switch 21 is pressed to fix the sliding glass 18, then the handle 19 on the storage cabinet 2 is pulled to pull out the storage cabinet 2, articles for test are taken out and placed on the experiment table 3 for experiment, gas generated in the experiment process can move upwards along the cabinet body 1 along with the suction force of the main fan 7 and the auxiliary fan 5, a part of the gas moving upwards can collide with the inner wall of the cabinet body 1 and can move downwards under the action of a reaction force, the gas is blocked by the inclined baffle 4 and moves towards the rear end of the baffle 4, the gas is pushed upwards again by the upwards moving airflow when not moving to the lower part of the baffle 4, so that the gas is prevented from flowing back to the position of the experiment table 3, the gas generated in the experiment can finally enter the clean water 10 of the purification box 9 through the bottom end of the vent pipe for primary filtration, the gas can move upwards, the gas can be removed through the purification carbon filter 14 after the secondary filtering layer 14, and the purified clean water in the purification box can be discharged after the secondary filtering of the purification carbon box 10, and the purified water is reduced after the secondary filtering layer 14 is added, and the purified water in the purification carbon box 10, when the purified water is added by the purified water in the purification carbon box 10, the purification carbon box, the purification carbon filter 14, the purified water outlet 14, and the purified water outlet 14.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (6)

1. The utility model provides a laboratory exhaust purification fume chamber which characterized in that: including the cabinet body (1), the lower part of the cabinet body (1) is provided with several cabinet (2), several the top of cabinet (2) is provided with laboratory bench (3), the top of laboratory bench (3) is provided with baffle (4), auxiliary fan (5) are installed to the lower part of baffle (4), the front end of the cabinet body (1) is provided with glass subassembly (6), the upper portion of the cabinet body (1) is provided with main fan (7), the upper portion through connection of the cabinet body (1) has ventilation pipe (8), the right-hand member interval of the cabinet body (1) is provided with purifying box (9), clear water (10) have been held in purifying box (9), the upper portion interval of the liquid level of clear water (10) is provided with water inlet (11), the lower part of the cabinet body (1) is provided with delivery port (12), the one end that the cabinet body (1) was kept away from in ventilating pipe (8) is immersed the inside of clear water (10) in purifying box (9), the middle part of purifying box (9) is provided with purifying and filtering net (13), the upper portion of purifying filtering net (13) is provided with activated carbon layer (14), the air outlet interval of activated carbon layer (14) is provided with 15).

2. The laboratory exhaust purification fume hood according to claim 1, wherein: the glass assembly (6) comprises fixed glass (16), a slide way (17), sliding glass (18) and a pressing spring switch (21), wherein a handle (19) is arranged on the sliding glass (18).

3. The laboratory exhaust purification fume hood according to claim 1, wherein: the plurality of storage cabinets (2) are respectively provided with a handle (19).

4. A laboratory exhaust purification fumehood according to claim 1 wherein: the upper part of the baffle (4) is arranged in an inclined shape.

5. The laboratory exhaust purification fume hood according to claim 1, wherein: the water inlet (11) and the water outlet (12) are both provided with valves (20).

6. The laboratory exhaust purification fume hood according to claim 1, wherein: the ventilating pipe (8) and the purifying filter screen (13) are arranged in a sealing way at the contact part with the activated carbon layer (14).

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