CN218972686U

CN218972686U - Laboratory waste gas collecting and treating equipment

Info

Publication number: CN218972686U
Application number: CN202320754010.9U
Authority: CN
Inventors: 焦国伟; 谢华萍
Original assignee: Gansu Jinhua Environmental Technology Co ltd
Current assignee: Gansu Jinhua Environmental Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-05-05
Anticipated expiration: 2033-04-07

Abstract

The utility model provides laboratory waste gas collecting and treating equipment. Including the water storage jar, the bottom of water storage jar communicates respectively has intake pipe and drain pipe, the top of water storage jar communicates respectively has outlet duct and inlet tube, the one end intercommunication of outlet duct has the connection box, and the drier has been placed to the inside of connection box, one side of connection box has the blending tank through the connecting pipe intercommunication, one side intercommunication of blending tank has into oxygen pipe, the bottom intercommunication of blending tank has the combustion tank, the bottom of combustion tank has the water tank through fixed pipe intercommunication, the top intercommunication of water tank has the blast pipe. The laboratory waste gas collecting and treating equipment provided by the utility model solves the problems that the organic gas is insufficiently combusted due to the fact that the content of the organic gas cannot reach the content of combustion conditions, so that the organic gas is not thoroughly treated, cannot be purified completely all the time in an experiment and seriously endangers the health of indoor personnel.

Description

Laboratory waste gas collecting and treating equipment

Technical Field

The utility model relates to the field of waste gas treatment, in particular to laboratory waste gas collecting and treating equipment.

Background

The laboratory is mostly confined space, ventilation is relatively poor, when carrying out chemical reaction and gas experiment, often can accompany harmful gas's production, when the experiment progress is very fast, experimental harmful gas can harm laboratory personnel when indoor concentration is too high, need carry out timely purification through treatment facility to indoor air, general treatment facility can be with sulfide etc. water-soluble gas handle cleanly, but organic gas and carbon monoxide such as methane, can not dissolve in water, need through burning with its conversion nontoxic carbon dioxide, carry out water-soluble treatment again, but in the course of treatment, because organic gas's content can not reach the content of burning condition, lead to organic gas burning insufficient for organic gas handles incompletely, can not purify completely all the time in the experiment, seriously endanger indoor personnel's health.

Accordingly, there is a need to provide a laboratory exhaust gas collection treatment device that solves the above-described technical problems.

Disclosure of Invention

The utility model provides laboratory waste gas collecting and treating equipment, which solves the problems that the organic gas is insufficiently combusted due to the fact that the content of the organic gas cannot reach the content of combustion conditions, so that the organic gas is not thoroughly treated, cannot be completely purified all the time in an experiment and seriously endangers the health of indoor personnel.

In order to solve the technical problems, the utility model provides laboratory waste gas collecting and treating equipment, which comprises a water storage tank, wherein the bottom of the water storage tank is respectively communicated with an air inlet pipe and a water outlet pipe, the top of the water storage tank is respectively communicated with an air outlet pipe and an air inlet pipe, one end of the air outlet pipe is communicated with a connecting box, a drying agent is placed in the connecting box, one side of the connecting box is communicated with a mixing tank through a connecting pipe, one side of the mixing tank is communicated with an oxygen inlet pipe, the bottom of the mixing tank is communicated with a combustion tank, the bottom of the combustion tank is communicated with a water tank through a fixed pipe, and the top of the water tank is communicated with an exhaust pipe;

the combustion device comprises a combustion tank, wherein a combustion chamber is arranged in the combustion tank, a fixing plate is fixed at the bottom of the combustion tank through bolts, holes matched with the fixing plate are formed in the bottom of the combustion tank, seven first partition plates are fixed on the fixing plate, heating wires are fixed on two sides of each first partition plate, seven second partition plates are fixed on the top of the inner wall of the combustion chamber, the second partition plates and the first partition plates are arranged in a staggered mode at intervals, a mesh cover is fixed on two sides of each second partition plate, and combustion catalysts are placed in the mesh cover;

the air inlet pipe is characterized in that a fan is arranged at one end of the air inlet pipe, an input end of the fan is communicated with an input pipe, seven hoses are arranged on the input pipe, and one end of each hose is communicated with an air inlet cover.

Preferably, one side of the water tank is communicated with a liquid inlet pipe, the other side of the water tank is communicated with a liquid discharge pipe, and a control valve is arranged on the liquid discharge pipe.

Preferably, valves are arranged on the drain pipe and the water inlet pipe.

Preferably, an observation window is arranged on the surface of the water storage cylinder.

Preferably, a temperature sensor is arranged on the surface of the combustion tank, and a switch is arranged at the bottom of the fixing plate.

Preferably, a connecting cover is fixed on the top of the connecting box through screws.

Compared with the related art, the laboratory waste gas collecting and treating equipment provided by the utility model has the following beneficial effects:

the utility model provides laboratory waste gas collecting and treating equipment, which is characterized in that oxygen is filled into one side of a mixing tank through an oxygen inlet pipe, so that the oxygen content is improved, the combustion of organic gas is convenient to fully, the mixed gas enters a combustion chamber of the combustion tank, the organic gas in the combustion chamber flows between a second partition plate and a first partition plate, and the organic gas fully contacts a combustion catalyst and a heating wire in a net cover for a long time in the flowing process, so that the combustion reaction is accelerated, and the problems that the organic gas is not fully combusted, the organic gas is not fully treated, the organic gas cannot be purified completely all the time in an experiment and the health of indoor personnel is seriously endangered are solved.

Drawings

FIG. 1 is a schematic view of a laboratory waste gas collection and treatment device according to a preferred embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the burn pot of FIG. 1;

FIG. 3 is a view of the hose and inlet cowl of FIG. 1 connected;

fig. 4 is a partial enlarged view at a in fig. 2.

Reference numerals in the drawings: 1. the water storage tank, 2, an air inlet pipe, 3, a drain pipe, 4, an air outlet pipe, 5, a water inlet pipe, 6, a connecting box, 7, a connecting pipe, 8, a mixing tank, 9, a combustion tank, 10, a fixed pipe, 11, a water tank, 12, a fixed plate, 13, a combustion chamber, 14, a first partition board, 15, a heating wire, 16, a second partition board, 17, a net cover, 18, an air outlet pipe, 19, a fan, 20, an input pipe, 21, a hose, 22, an air inlet cover, 23, a liquid inlet pipe, 24, a liquid outlet pipe, 25, an observation window, 26, an oxygen inlet pipe, 27, a switch, 28 and a connecting cover.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-4, a laboratory waste gas collecting and treating device includes a water storage tank 1, an observation window 25 is provided on the surface of the water storage tank 1, the water quality in the water storage tank 1 is observed through the observation window 25, an air inlet pipe 2 and a water outlet pipe 3 are respectively connected to the bottom of the water storage tank 1, an air outlet pipe 4 and an air inlet pipe 5 are respectively connected to the top of the water storage tank 1, valves are respectively provided on the water outlet pipe 3 and the water inlet pipe 5, water in the water storage tank 1 is replaced through the water outlet pipe 3 and the water inlet pipe 5, one end of the air outlet pipe 4 is connected to a connecting box 6, a connecting cover 28 is fixed to the top of the connecting box 6 through screws, a drying agent is placed in the connecting box 6, moisture in the gas is adsorbed by the drying agent, the water content is reduced, the connecting cover 28 is detached through a twisting screw, the drying agent in the connecting box 6 is replaced and cleaned, one side of the connecting box 6 is connected to a mixing tank 8 through a connecting pipe 7, one side of the mixing tank 8 is connected to an oxygen inlet pipe 26, the bottom of the mixing tank 8 is connected to a combustion tank 9, the bottom of the combustion tank 9 is connected to a water tank 11 through a fixing pipe 10, the top of the water tank 11 is connected to the top of the water tank 18, one side of the oxygen inlet pipe 8 is connected to the oxygen inlet pipe 26, and the oxygen is filled with oxygen gas through the oxygen inlet pipe 26;

according to the utility model, a combustion chamber 13 is arranged in a combustion tank 9, a fixed plate 12 is fixed at the bottom of the combustion tank 9 through bolts, a temperature sensor is arranged on the surface of the combustion tank 9, the temperature sensor displays the temperature in the combustion chamber 13 in real time, a switch 27 is arranged at the bottom of the fixed plate 12, an opening matched with the fixed plate 12 is arranged at the bottom of the combustion tank 9, seven first partition plates 14 are fixed on the fixed plate 12, heating wires 15 are fixed at both sides of the first partition plates 14, seven second partition plates 16 are fixed at the top of the inner wall of the combustion chamber 13, the fixed plate 12 is disassembled through torsion bolts, the second partition plates 16, the first partition plates 14 and accumulated ash in the combustion chamber 13 are cleaned regularly, the second partition plates 16 and the first partition plates 14 are staggered at intervals, a mesh enclosure 17 is fixed at both sides of the second partition plates 16, and combustion catalysts are placed in the mesh enclosure 17, so that organic gases in the combustion chamber 13 flow between the second partition plates 16 and the first partition plates 14, the organic gases are in a flowing process, the same type of the combustion catalysts are fully disassembled through torsion bolts with the heating wires 15 in the mesh enclosure 17;

a fan 19 is arranged at one end of an air inlet pipe 2, an input end of the fan 19 is communicated with an input pipe 20, seven hoses 21 are arranged on the input pipe 20, one end of each hose 21 is communicated with an air inlet cover 22, and the air inlet covers 22 are respectively placed on each group of laboratory tables in a laboratory.

One side of the water tank 11 is communicated with a liquid inlet pipe 23, the other side of the water tank 11 is communicated with a liquid discharge pipe 24, and the liquid discharge pipe 24 is provided with a control valve, so that water in the water tank 11 can be replaced conveniently.

The working principle of the laboratory waste gas collecting and treating equipment provided by the utility model is as follows: the air inlet cover 22 is respectively placed on each group of laboratory tables in the laboratory, when the experiment is carried out, the fan 19 is started, gas generated in the laboratory can enter the water storage tank 1 through the air inlet pipe 2, soluble gas is directly dissolved in water, organic gas can enter the connecting box 6 through the air outlet pipe 4, moisture in the gas is adsorbed through the drying agent, the water content is reduced, the air enters the mixing tank 8 through the connecting pipe 7, meanwhile, oxygen is added to one side of the mixing tank 8 through the oxygen inlet pipe 26, the oxygen content is improved, the organic gas is convenient to burn fully, the mixed gas enters the combustion chamber 13 of the combustion tank 9, the temperature in the combustion chamber 13 is improved through the switch starting heating wire 15, the temperature in the combustion chamber 13 is kept to be more than 500 ℃, the organic gas in the combustion chamber 13 flows between the second partition plate 16 and the first partition plate 14, the organic gas is fully contacted with the combustion catalyst and the heating wire 15 in the net cover 17 for a long time in the flowing process, the combustion reaction is accelerated, carbon dioxide, dust and other dissolved gases can be produced through the fixing pipe 10 and enter the water tank 11, the water tank 11 is adsorbed and dissolved in the water tank 11, and the purified air is discharged through the exhaust pipe 18.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a laboratory waste gas collection treatment facility, its characterized in that, includes water storage jar (1), the bottom of water storage jar (1) communicates respectively has intake pipe (2) and drain pipe (3), the top of water storage jar (1) communicates respectively has outlet duct (4) and inlet tube (5), the one end intercommunication of outlet duct (4) has junction box (6), and the inside of junction box (6) has placed the drier, one side of junction box (6) communicates through connecting pipe (7) has blending tank (8), one side of blending tank (8) communicates has into oxygen pipe (26), the bottom of blending tank (8) communicates has combustion tank (9), the bottom of combustion tank (9) communicates through fixed pipe (10) has water tank (11), the top of water tank (11) communicates has blast pipe (18);

the combustion device is characterized in that a combustion chamber (13) is arranged in the combustion tank (9), a fixing plate (12) is fixed at the bottom of the combustion tank (9) through bolts, holes matched with the fixing plate (12) are formed in the bottom of the combustion tank (9), seven first partition boards (14) are fixed on the fixing plate (12), heating wires (15) are fixed on two sides of the first partition boards (14), seven second partition boards (16) are fixed on the top of the inner wall of the combustion chamber (13), the second partition boards (16) and the first partition boards (14) are arranged in a staggered mode at intervals, a mesh cover (17) is fixed on two sides of the second partition boards (16), and combustion catalysts are placed in the mesh cover (17);

one end of the air inlet pipe (2) is provided with a fan (19), the input end of the fan (19) is communicated with an input pipe (20), seven hoses (21) are arranged on the input pipe (20), and one end of each hose (21) is communicated with an air inlet cover (22).

2. Laboratory exhaust gas collecting and treating device according to claim 1, characterized in that one side of the water tank (11) is connected with a liquid inlet pipe (23), and the other side of the water tank (11) is connected with a liquid discharge pipe (24), and the liquid discharge pipe (24) is provided with a control valve.

3. Laboratory exhaust gas collecting and treating device according to claim 1, characterized in that valves are arranged on both the drain pipe (3) and the inlet pipe (5).

4. Laboratory exhaust gas collection treatment device according to claim 1, characterized in that the surface of the water storage cylinder (1) is provided with an observation window (25).

5. Laboratory exhaust gas collecting and treating device according to claim 1, characterized in that the surface of the combustion tank (9) is provided with a temperature sensor and the bottom of the stationary plate (12) is provided with a switch (27).

6. Laboratory exhaust gas collecting and treating device according to claim 1, characterized in that the top of the connection box (6) is fastened with a connection cover (28) by means of screws.