CN213557118U

CN213557118U - Poisonous and harmful gas collection device in laboratory

Info

Publication number: CN213557118U
Application number: CN202022228526.9U
Authority: CN
Inventors: 易豪; 饶远旋
Original assignee: Shenzhen Zhongjian Laboratory Technology Co ltd
Current assignee: Shenzhen Zhongjian Laboratory Technology Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-06-29
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a laboratory poisonous and harmful gas collection device, which comprises a bearing seat, a mounting seat, a placing groove, a gas collecting tank, a water filtering bottle, a gas collecting bottle and a gas filtering component, wherein the mounting seat is arranged above the bearing seat, the placing groove is arranged on one side of the inner end part of the mounting seat and the bearing seat, the gas collecting tank is arranged in the placing groove, the water filtering bottle and the gas collecting bottle are respectively arranged on the other side of the gas collecting tank positioned in the mounting seat and the bearing seat, and the gas collecting bottle is connected with the gas collecting tank through a valve component; the gas collection subassembly adopts the design of two body in the gas collection device to increase by a wide margin the memory space of toxic gas, convenient and practical, in addition when gaseous when passing through the water filter flask, can decompose into a large amount of small bubbles, through the contact surface of small bubble increase gas and water source, and then improve its filtration efficiency by a wide margin, practical function is showing.

Description

Poisonous and harmful gas collection device in laboratory

Technical Field

The utility model relates to a gas collection technical field specifically is a poisonous and harmful gas collection device in laboratory.

Background

In laboratories and in the field of chemical products, toxic gases are released from some reactants during chemical reactions, the collection of the toxic gases and the analysis of the components and the content of the toxic gases are important for gas research and chemical industries, and the determination of the components and the content of the toxic gases and the understanding of the chemical reaction results of the reactants are important for understanding the characteristics of the reactants. And meanwhile, toxic gas is collected, so that the toxic gas is prevented from diffusing to cause pollution to the environment.

Current gas collection device is when collecting toxic gas, usually with the leading-in water source of toxic gas, strain the residue in the gas through the water source, then collecting, however this kind of collection mode is at the in-service operation, because gas and water source contact surface undersize, lead to partly toxic gas to hardly obtain filtering, it is not high to strain gas efficiency, its gas storage capacity of traditional gas collection device is also very effective simultaneously, be difficult to satisfy the actual demand, need improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a poisonous and harmful gas collection device in laboratory to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas collecting device for toxic and harmful gases in a laboratory comprises a bearing seat, a mounting seat, a placing groove, a gas collecting tank, a water filter bottle, a gas collecting bottle and a gas filtering component for improving the filtering effect of the toxic gases in the water filter bottle, wherein the mounting seat is arranged above the bearing seat and is fixedly connected with the bearing seat through a supporting piece arranged at the bottom end of the mounting seat, the placing groove is formed in one side of the inner end part of the mounting seat and the bearing seat, the gas collecting tank is arranged in the placing groove, the water filter bottle for filtering the harmful gases and the gas collecting bottle for storing the gases are respectively arranged on the other side of the mounting seat and the gas collecting tank in the bearing seat, and the gas collecting bottle and the gas collecting tank are connected through a valve component for secondarily conveying the gases in the gas collecting bottle;

the gas filtering component comprises a gas collecting port arranged on one side of the bearing seat, a first gas transmission pipeline is connected in the bearing part where the gas collecting port is located, one end, far away from the gas collecting port, of the first gas transmission pipeline is connected with a suction pump, the other end of the suction pump is communicated with an exhaust pipe arranged at the bottom end of the water filter bottle through a pipeline, and a plurality of groups of gas outlet holes are formed in the exhaust pipe.

Preferably, a second gas transmission pipeline is arranged at the joint of the water filter bottle and the gas collecting bottle, sealing rings are arranged at the joints of the second gas transmission pipeline and the water filter bottle and the gas collecting bottle, and a second one-way valve used for conveying gas into the gas collecting bottle is further arranged on the second gas transmission pipeline.

Preferably, the top end of the water filter bottle is provided with a liquid injection hole, and a piston used for separating gas is clamped in the liquid injection hole.

Preferably, the valve component comprises a first one-way valve arranged between the gas collection bottle and the gas collection tank and used for conveying gas into the gas collection tank, one end of the first one-way valve in the gas collection bottle is connected with a gas detection switch, and the gas detection switch is electrically connected with the first one-way valve.

Preferably, the bottom end of the bearing seat is provided with a fixed plate, and two sides of the bottom end of the fixed plate are provided with rotating wheels.

Preferably, the gas collecting tank is clamped in the placing groove and movably connected with the placing groove, an elastic gasket used for fixing the gas collecting tank is arranged at the joint of the bottom end of the placing groove and the gas collecting tank, and an end cover with a handle is further arranged outside the first shell at the top end of the gas collecting tank.

Compared with the prior art, the beneficial effects of the utility model are that:

the gas collection component in the gas collection device adopts a double-bottle body design, so that the storage capacity of toxic gas is greatly increased, the gas collection device is convenient and practical, in addition, when the gas passes through the water filter bottle, the gas can be decomposed into a large number of small bubbles, the contact surface of the gas and a water source is increased through the small bubbles, the gas filtration efficiency is greatly improved, and the practical effect is obvious;

use valve member control gas to get into in the gas collecting tank, accomplish the secondary and carry, wherein the sealing ring is used for guaranteeing the gas tightness of pipe connection department, and two check valves then are used for making gas carry out one-way transport to avoid the condition that refluence appears in the gas, improve the security of gas storage, when carrying out the dismouting, will just can pull out the gas collecting tank from the standing groove through the pulling handle in addition, and the wheel is rotated in the cooperation simultaneously, and then makes things convenient for personnel to shift gas, convenient and practical.

Drawings

Fig. 1 is a schematic structural diagram of a gas collecting device for toxic and harmful gases in a laboratory.

Fig. 2 is a schematic structural diagram of a mounting seat in a laboratory toxic and harmful gas collection device.

Fig. 3 is a schematic structural diagram of a gas detection switch in a laboratory toxic and harmful gas collection device.

Fig. 4 is an enlarged schematic structural diagram of a laboratory toxic and harmful gas collecting device at a position in fig. 3.

In the figure: 1-mounting seat, 2-bearing seat, 3-air collecting port, 4-fixing plate, 5-supporting piece, 6-air collecting tank, 7-handle, 8-water filter bottle, 9-liquid injecting hole, 10-air collecting bottle, 11-first air conveying pipeline, 12-gas detecting switch, 13-one-way valve, 14-second air conveying pipeline, 15-air pump, 16-exhaust pipe, 17-air outlet hole, 18-rotating wheel, 19-placing groove and 20-one-way valve.

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.

Referring to fig. 1-4, in the embodiment of the present invention, a laboratory toxic and harmful gas collecting device comprises a bearing base 2, a mounting base 1, a placing groove 19, a gas collecting tank 6, a water filtering bottle 8, a gas collecting bottle 10 and a gas filtering component for improving the filtering effect of toxic gas in the water filtering bottle 8, wherein the mounting base 1 is arranged above the bearing base 2, the mounting base 1 is fixedly connected with the bearing base 2 through a supporting member 5 arranged at the bottom end thereof, the placing groove 19 is arranged at one end side of the mounting base 1 and the bearing base 2, the gas collecting tank 6 is arranged in the placing groove 19, the water filtering bottle 8 for filtering harmful gas and the gas collecting bottle 10 for storing gas are respectively arranged at the other side of the gas collecting tank 6 in the mounting base 1 and the bearing base 2, the gas collecting bottle 10 is connected with the gas collecting tank 6 through a valve component for secondary delivery of gas in the gas collecting bottle 10; the toxic gas enters the water filter bottle 8 to filter residues in the water filter bottle, then enters the gas collecting bottle 10 to be collected for the first time, and enters the gas collecting tank 6 to be collected for the second time after the gas in the gas collecting bottle 10 is fully stored;

the gas filtering component comprises a gas collecting port 3 arranged on one side of the bearing seat 2, a gas transmission pipeline I11 is connected in a bearing part where the gas collecting port 3 is located, one end, far away from the gas collecting port 3, of the gas transmission pipeline I11 is connected with a gas suction pump 15, the other end of the gas suction pump 15 is communicated with a gas exhaust pipe 16 arranged at the bottom end of the water filter bottle 8 through a pipeline, and a plurality of groups of gas outlet holes 17 are formed in the gas exhaust pipe 16; the air suction pump 15 is started, toxic gas outside is collected through the air collection port 3, the gas enters the air suction pump 15 through the first gas transmission pipeline 11, the gas is transmitted to the exhaust pipe 16 at the bottom end of the water filter bottle 8 through the pipeline by the air suction pump 15, and is split into a plurality of groups of small bubbles under the action of a plurality of groups of air outlet holes 17, so that the contact area of the gas and a water source is increased in a bubble mode, and the gas filtering effect is improved;

a second gas transmission pipeline 14 is arranged at the joint of the water filter bottle 8 and the gas collecting bottle 10, sealing rings are arranged at the joints of the second gas transmission pipeline 14 and the water filter bottle 8 as well as the gas collecting bottle 10, and a second one-way valve 20 for transmitting gas into the gas collecting bottle 10 is further arranged on the second gas transmission pipeline 14; the gas is collected in the gas collecting bottle 10 through a second gas transmission pipeline 14 after being filtered, wherein the sealing ring is used for improving the gas tightness of the pipeline joint and avoiding the gas from overflowing, and the second one-way valve is used for enabling the gas to be transmitted in one way and avoiding the gas from flowing backwards; the top end of the water filter bottle 8 is provided with a liquid injection hole 9, and a piston for blocking gas is clamped in the liquid injection hole 9; the piston is opened, a water source is injected into the water filter bottle 8 through the liquid injection hole 9, the piston sealing mode has good air tightness, and meanwhile, the water filter bottle 8 is convenient to inject liquid;

the valve component comprises a first one-way valve 13 which is arranged between the gas collecting bottle 10 and the gas collecting tank 6 and used for conveying gas into the gas collecting tank 6, one end of the first one-way valve 13 in the gas collecting bottle 10 is connected with a gas detection switch 12, and the gas detection switch 12 is electrically connected with the first one-way valve 13; the gas detection switch 12 is used for detecting the gas pressure in the gas collection bottle 10, when the gas pressure in the gas collection bottle 10 reaches a certain degree and the gas is fully stored, the gas detection switch 12 controls the first one-way valve 13 to be opened, so that the gas enters the gas collection tank 6 through the first one-way valve 13 to complete secondary collection, wherein the first one-way valve 13 is used for enabling the gas to be conveyed in a one-way mode, and the gas is prevented from flowing backwards;

the bottom end of the bearing seat 2 is provided with a fixed plate 4, and two sides of the bottom end of the fixed plate 4 are provided with rotating wheels 18; the gas collecting tank 6 is clamped in the placing groove 19 and movably connected with the placing groove 19, an elastic gasket for fixing the gas collecting tank 6 is arranged at the joint of the bottom end of the placing groove 19 and the gas collecting tank 6, and an end cover with a handle 7 is further arranged outside the first shell where the top end of the gas collecting tank 6 is located; gas collecting tank 6 card is established in standing groove 19 and is connected fixedly through elastic washer and gas collecting tank 6, when carrying out the dismouting, will just can pull out gas collecting tank 6 from standing groove 19 through pulling handle 7 to make things convenient for personnel to shift gas.

The utility model discloses a theory of operation is: the aspiration pump 15 starts, there is poisonous gas to collect the outside through gas collection mouth 3, gaseous entering gets into in the aspiration pump 15 through gas transmission pipeline 11, pass through the pipe transmission again by aspiration pump 15 to the blast pipe 16 of water filter bottle 8 bottoms, under the effect of a plurality of ventholes 17 of group, divide into a plurality of groups of small bubbles, through the contact surface of small bubble increase gas and water source, and then increase substantially its filtration efficiency, the practical function is showing, the design of two body of deuterogamying in addition, toxic gas's memory space has been increased substantially, and is convenient and practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A laboratory poisonous and harmful gas collection device comprises a bearing seat (2), a mounting seat (1), a placing groove (19), a gas collection tank (6), a water filter bottle (8), a gas collection bottle (10) and a gas filtration component for improving the filtering effect of poisonous gas in the water filter bottle (8), and is characterized in that the mounting seat (1) is arranged above the bearing seat (2), the mounting seat (1) is fixedly connected with the bearing seat (2) through a support piece (5) arranged at the bottom end of the mounting seat, the placing groove (19) is arranged at one side of the inner end part of the mounting seat (1) and the bearing seat (2), the gas collection tank (6) is arranged in the placing groove (19), the water filter bottle (8) for filtering harmful gas and the gas collection bottle (10) for storing gas are respectively arranged at the other sides of the gas collection tank (6) in the mounting seat (1) and the bearing seat (2), the gas collecting bottle (10) is connected with the gas collecting tank (6) through a valve component for secondary delivery of gas in the gas collecting bottle (10);

the air filtering component comprises an air collecting port (3) arranged on one side of a bearing seat (2), an air conveying pipeline (11) is connected in a bearing part where the air collecting port (3) is located, one end, far away from the air collecting port (3), of the air conveying pipeline (11) is connected with an air pump (15), the other end of the air pump (15) is communicated with an exhaust pipe (16) arranged at the bottom end of a water filter bottle (8) through a pipeline, and a plurality of groups of air outlet holes (17) are formed in the exhaust pipe (16).

2. The laboratory toxic and harmful gas collection device according to claim 1, wherein a second gas transmission pipeline (14) is arranged at the joint of the water filter bottle (8) and the gas collection bottle (10), sealing rings are arranged at the joints of the second gas transmission pipeline (14) and the water filter bottle (8) and the gas collection bottle (10), and a second one-way valve (20) for transmitting gas into the gas collection bottle (10) is further arranged on the second gas transmission pipeline (14).

3. The gas collecting device for the poisonous and harmful gases in the laboratory according to claim 1, wherein a liquid injection hole (9) is opened at the top end of the water filter flask (8), and a piston for blocking the gases is clamped in the liquid injection hole (9).

4. The laboratory toxic and harmful gas collection device according to claim 1, wherein the valve assembly comprises a first one-way valve (13) arranged between the gas collection bottle (10) and the gas collection tank (6) and used for delivering gas into the gas collection tank (6), the first one-way valve (13) is connected with a gas detection switch (12) at one end in the gas collection bottle (10), and the gas detection switch (12) is electrically connected with the first one-way valve (13).

5. The gas collecting device for the poisonous and harmful gases in the laboratory according to claim 1, characterized in that a fixed plate (4) is arranged at the bottom end of the bearing seat (2), and rotating wheels (18) are installed at two sides of the bottom end of the fixed plate (4).

6. The laboratory poisonous and harmful gas collection device according to claim 1, wherein the gas collection tank (6) is clamped in the placement groove (19) and movably connected with the placement groove (19), an elastic gasket for fixing the gas collection tank (6) is arranged at the joint of the bottom end of the placement groove (19) and the gas collection tank (6), and an end cover with a handle (7) is further arranged outside the first housing where the top end of the gas collection tank (6) is located.