CN215785580U

CN215785580U - Laboratory exhaust purification fume chamber

Info

Publication number: CN215785580U
Application number: CN202122388524.0U
Authority: CN
Inventors: 苏永刚; 侯颖; 张材磊; 侯波
Original assignee: Anhui Yiguang Laboratory Equipment Manufacturing Co ltd
Current assignee: Anhui Yiguang Laboratory Equipment Manufacturing Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-02-11
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of laboratory equipment, in particular to a laboratory exhaust purification ventilation cabinet. The intelligent cabinet temperature adjusting device comprises a cabinet body, control chamber and the inlet port of cabinet body middle part position, cabinet body inner chamber just is located control chamber top position fixed mounting has the gas collecting channel, the fan is installed to gas collecting channel top position, fan air-out end has the purifying box through the pipe intercommunication, purifying box inner chamber middle part position is provided with the solid fixed ring that has the through-hole structure, gu fixed ring upper portion position is provided with the sponge net, cabinet body top position is fixed and is provided with the pneumatic cylinder, pneumatic cylinder bottom one end runs through the purifying box, the pneumatic cylinder is located purifying box inner chamber one end fixed mounting has the clamp plate, the air vent has been seted up on the clamp plate, purifying box left side upper portion position is provided with the water inlet, purifying box left side bottom position is provided with the drainage that has the ooff valve and is responsible for, purifying box top position still is provided with the blast pipe. Can promote purification efficiency, and after using the completion, conveniently clear up the remaining of exhaust-gas treatment link.

Description

Laboratory exhaust purification fume chamber

Technical Field

The utility model relates to the technical field of laboratory equipment, in particular to a laboratory exhaust purification ventilation cabinet.

Background

The laboratory fume hood is an important local air exhaust device commonly used in laboratory equipment, in particular a chemical laboratory.

The existing laboratory exhaust purification ventilation cabinet has poor purification efficiency, cannot meet the emission requirement, and has serious loss to zero devices in the exhaust treatment link in equipment.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problems in the prior art, the utility model provides a laboratory exhaust gas purification ventilation cabinet which can improve the purification efficiency and is convenient for cleaning the residue in the exhaust gas treatment process after the laboratory exhaust gas purification ventilation cabinet is used.

(II) technical scheme

In order to achieve the purpose, the utility model adopts the main technical scheme that: the air purifier comprises a cabinet body, an operating room and an air inlet, wherein the operating room is arranged at the middle position of the cabinet body, an air collecting hood is fixedly arranged at the top position of the operating room and is arranged in an inner cavity of the cabinet body, a fan is arranged at the top position of the air collecting hood, the air outlet end of the fan is communicated with a purifying box through a guide pipe, a fixing ring with a through hole structure is arranged at the middle position of the inner cavity of the purifying box, a sponge net is arranged at the upper position of the fixing ring, a hydraulic cylinder is fixedly arranged at the top position of the cabinet body, one end of the bottom of the hydraulic cylinder penetrates through the purifying box, a pressing plate is fixedly arranged at one end of the inner cavity of the purifying box and is provided with an air vent, a water inlet is arranged at the upper position on the left side of the purifying box, a main drainage pipe with a switch valve is arranged at the bottom position on the left side of the purifying box, and an exhaust pipe is further arranged at the top position of the purifying box.

Preferably, the purification box left side just is located solid fixed ring upper portion position and is provided with the drainage branch pipe that communicates with the purification box inner chamber, drainage branch pipe bottom one end and drainage are responsible for the intercommunication.

Preferably, a bulge protruding towards one side of the front side is arranged on the inner wall of one side of the back of the cabinet body, a gap is formed between the bulge and the inner wall of the cabinet body, a drain hole is arranged at the bottom of the gap, and the drain hole is communicated with a main drain pipe through a guide pipe.

Preferably, a plurality of storage cabinets are arranged at the bottom of the cabinet body.

Preferably, the two purification boxes are symmetrically arranged.

(III) advantageous effects

The utility model provides a laboratory exhaust purification ventilation cabinet. The method has the following beneficial effects:

(1) the fan extracts waste gas generated in the operating room through the gas collecting hood and then enters the purifying box, the neutralizing liquid is continuously added into the water inlet to neutralize the waste gas, the neutralizing liquid firstly falls on the sponge net, and in the process that the waste gas passes through the sponge net, dust rich in the waste gas can be filtered by the sponge net, and the air flow can be dispersed when the waste gas passes through the holes on the sponge, thereby increasing the contact area of the waste gas and the reaction liquid, discharging the waste gas after the reaction to the outside through the exhaust pipe, and after the test is finished, the waste water is remained in the purifying box and on the sponge, so the waste water needs to be discharged, when the waste water is discharged, the hydraulic cylinder is firstly started, then let in clean water through the water inlet, the pneumatic cylinder drives the clamp plate down and extrudees the sponge, along with the continuous bath of sponge, extrusion, realizes the washing to the sponge, washs the completion back, opens the drainage and is responsible for and carry out the drainage.

(2) The pressing plate carries out extruded process to the sponge, and the moisture part in the sponge can pass the air vent, stays on pressing plate upper portion, and the drainage branch pipe can push down the process to the pressing plate, stays the water on pressing plate upper portion and discharges.

(3) The arrangement of the bulges and the drain holes can avoid the condensation of the water drops on the inner wall of the operating room, and the water drops are left on the operating platform, so that the water drops can be enriched and discharged.

Drawings

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

fig. 2 is a cross-sectional view of the connecting structure of the gas collecting hood and the purifying box of the utility model.

In the figure: 1. a cabinet body; 2. an operation chamber; 3. an air inlet; 4. a gas-collecting hood; 5. a fan; 6. a purification box; 7. a fixing ring; 8. a sponge web; 9. a hydraulic cylinder; 10. pressing a plate; 11. a vent hole; 12. a water inlet; 13. a main drainage pipe; 14. a drain branch pipe; 15. a protrusion; 16. a storage cabinet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the laboratory waste gas purification ventilation cabinet of the embodiment includes a cabinet body 1, an operation room 2 and an air inlet 3 at the middle position of the cabinet body 1, a gas collecting hood 4 fixedly installed in the inner cavity of the cabinet body 1 and at the top position of the operation room 2, a fan 5 installed at the top position of the gas collecting hood 4, a purification box 6 communicated with the air outlet end of the fan 5 through a conduit, a fixing ring 7 with a through hole structure provided at the middle position of the inner cavity of the purification box 6, a sponge net 8 provided at the upper position of the fixing ring 7, a hydraulic cylinder 9 fixedly provided at the top position of the cabinet body 1, a purification box 6 penetrated by one end of the bottom of the hydraulic cylinder 9, a pressing plate 10 fixedly installed at one end of the inner cavity of the purification box 6, an air vent 11 provided on the pressing plate 10, a water inlet 12 provided at the upper position of the left side of the purification box 6, a main drain pipe 13 with a switch valve provided at the bottom position of the left side of the purification box 6, the top of the purifying box 6 is also provided with an exhaust pipe.

Furthermore, a drainage branch pipe 14 communicated with the inner cavity of the purification box 6 is arranged at the left side of the purification box 6 and at the upper part of the fixing ring 7, and one end of the bottom of the drainage branch pipe 14 is communicated with a drainage main pipe 13.

Further, a bulge 15 protruding towards the front side is arranged on the inner wall of the back side of the cabinet body 1, a gap exists between the bulge 15 and the inner wall of the cabinet body 1, and a drain hole is arranged at the bottom of the gap and communicated with the drain main pipe 13 through a guide pipe.

Further, a plurality of storage cabinets 16 are arranged at the bottom of the cabinet body 1.

Further, two purification boxes 6 are symmetrically arranged.

The working principle is as follows: the fan 5 extracts waste gas generated in the operating room through the gas collecting hood 4, then the waste gas enters the purifying box 6, neutralizing liquid is continuously added into the water inlet 12 to neutralize the waste gas, the neutralizing liquid firstly falls on the sponge net 8, dust rich in the waste gas is filtered by the sponge net 8 in the process that the waste gas passes through the sponge net 8, when the waste gas passes through holes on the sponge, airflow is dispersed, the contact area of the waste gas and reaction liquid is further improved, the waste gas after the reaction is finished is discharged to the outside through the exhaust pipe, after the test is finished, waste water is remained in the purifying box 6 and on the sponge, therefore the waste gas needs to be discharged, when the waste gas is discharged, the hydraulic cylinder 9 is firstly started, then clean water is introduced through the water inlet 12, the hydraulic cylinder 9 downwards drives the pressing plate 10 to extrude the sponge, along with continuous flushing and extrusion of the sponge, the sponge is cleaned, and after the cleaning is finished, the main drain pipe 13 is opened to drain water. Wherein, the pressing plate 10 is in the process of extruding the sponge, the moisture part in the sponge can pass through the vent hole 11 and be left on the upper part of the pressing plate 10, the drainage branch pipe 14 can press the pressing plate 10 downwards, and the water left on the upper part of the pressing plate 10 is discharged.

Claims

1. The utility model provides a laboratory exhaust purification fume chamber, includes cabinet body (1), cabinet body (1) middle part position control chamber (2) and inlet port (3), its characterized in that: the air-conditioning cabinet is characterized in that a gas collecting hood (4) is fixedly arranged at the top of an operation room (2) in the inner cavity of the cabinet body (1), a fan (5) is arranged at the top of the gas collecting hood (4), the air outlet end of the fan (5) is communicated with a purification box (6) through a guide pipe, a fixing ring (7) with a through hole structure is arranged at the middle position of the inner cavity of the purification box (6), a sponge net (8) is arranged at the upper part of the fixing ring (7), a hydraulic cylinder (9) is fixedly arranged at the top of the cabinet body (1), one end of the bottom of the hydraulic cylinder (9) penetrates through the purification box (6), a pressing plate (10) is fixedly arranged at one end of the inner cavity of the purification box (6) of the hydraulic cylinder (9), an air vent (11) is arranged on the pressing plate (10), a water inlet (12) is arranged at the upper part of the left side of the purification box (6), a main drainage pipe (13) with a switch valve is arranged at the bottom of the left side of the purification box (6), the top of the purification box (6) is also provided with an exhaust pipe.

2. A laboratory exhaust purification fumehood according to claim 1 wherein: purification case (6) left side just is located solid fixed ring (7) upper portion position and is provided with drainage branch pipe (14) with purification case (6) inner chamber intercommunication, drainage branch pipe (14) bottom one end and drainage are responsible for (13) intercommunication.

3. A laboratory exhaust purification fumehood according to claim 1 wherein: the water-saving cabinet is characterized in that a bulge (15) protruding towards one side of the front side is arranged on the inner wall of the back side of the cabinet body (1), a gap exists between the bulge (15) and the inner wall of the cabinet body (1), a drain hole is arranged at the bottom of the gap, and the drain hole is communicated with a main drain pipe (13) through a guide pipe.

4. A laboratory exhaust purification fumehood according to claim 1 wherein: the bottom of the cabinet body (1) is provided with a plurality of storage cabinets (16).

5. A laboratory exhaust purification fumehood according to claim 1 wherein: two purification boxes (6) are symmetrically arranged.