CN210448698U

CN210448698U - Laboratory exhaust-gas treatment equipment

Info

Publication number: CN210448698U
Application number: CN201920721335.0U
Authority: CN
Inventors: 许大翔
Original assignee: Dabaike Laboratory Equipment Engineering Jiangsu Co ltd
Current assignee: Dabaike Laboratory Equipment Engineering Jiangsu Co ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-05
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a laboratory exhaust-gas treatment equipment, including handling the case, the top of handling the case is rotated and is connected with the baffle, the interior bottom fixedly connected with reaction box of handling the case, the top of reaction box is inserted and is equipped with the case lid, the interior bottom of reaction box is provided with waste liquid discharging equipment, the air inlet has been seted up to the lateral wall of reaction box, the inside wall fixedly connected with rubber packing pad of air inlet. The utility model discloses, through mutually supporting between exhaust gas collecting pipe, reaction box, locking universal wheel, the U type pole, when the mr is done the experiment, will handle the case and carry to the test bench, the harmful gas that produces when doing the experiment is handled through exhaust gas collecting pipe, the inside of intake pipe reentrant reaction box, different chemical solution can be placed according to the main harmful gas that produces when experimenting in the inside of reaction box to reach the purpose that the harmful gas that produces in time handled when teaching the experiment.

Description

Laboratory exhaust-gas treatment equipment

Technical Field

The utility model relates to an equipment technical field is used in the laboratory, especially relates to a laboratory exhaust-gas treatment equipment.

Background

In the teaching process of chemistry subject, often need let the student more directly perceivedly understand chemical reaction through the experiment, and in the in-process of chemistry experiment, often can produce some harmful gas, like ammonia, sulfur dioxide gas etc. and seriously threaten laboratory staff's healthy.

At present, chemical laboratory often adopts ventilation equipment such as fume hood to get rid of the harmful gas in the laboratory, but this type of method, can only simple realization laboratory and the convection current of outside air, and harmful gas directly discharges in the air, also can cause atmospheric pollution, and fume hood area is big, and inconvenient removal is placed at the corner mostly, and the harmful gas that produces when mr does the experiment can not in time be arranged to the outdoor, thereby is absorbed by mr and student and brings very big harm to the human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the harmful gas generated in the teaching experiment in the prior art can not be timely treated and the harmful gas is directly discharged into the air to cause air pollution, and providing a laboratory waste gas treatment device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a laboratory waste gas treatment device comprises a treatment box, the top of the treatment box is rotatably connected with a baffle plate, the inner bottom of the treatment box is fixedly connected with a reaction box, the top of the reaction box is inserted with a box cover, the inner bottom of the reaction box is provided with a waste liquid discharge device, the outer side wall of the reaction box is provided with an air inlet, the inner side wall of the air inlet is fixedly connected with a rubber sealing gasket, the inner side wall of the rubber sealing gasket is fixedly connected with an air inlet pipe, one end of the air inlet pipe, which is far away from the reaction box, is fixedly connected with the inner side wall of the treatment box, the outer side wall of the treatment box is provided with a mounting hole corresponding to the air inlet pipe, the inner side wall of one side of the mounting hole far away from the air inlet pipe is fixedly connected with a waste gas collecting pipe, the outer side wall of the reaction box is inserted with an air outlet pipe communicated with the reaction box, one end of the gas outlet pipe, which is far away from the reaction box, penetrates through the outer side wall of the baffle and is connected with a gas collecting device.

Preferably, waste liquid discharging equipment include with reaction box bottom fixed connection's drain pipe, the bottom of reaction box and the bottom of handling the case all set up the through-hole that corresponds with the drain pipe, the bottom lateral wall fixedly connected with relief valve of drain pipe, the one end that the drain pipe was kept away from to the relief valve runs through-hole and outside extension.

Preferably, the gas collecting device comprises a gas collecting pipe inserted at the end part of the gas outlet pipe, the upper surface of the baffle is fixedly connected with a water tank, a gas collecting bottle is placed in the water tank, and one end, far away from the gas outlet pipe, of the gas collecting pipe is connected with the gas collecting bottle in an inserting mode.

Preferably, the equal fixedly connected with of lateral wall is the erection column of T type about the top of handling the case, two the lateral wall of erection column rotates to cup joint same root U type pole.

Preferably, four locking universal wheels in 2 x 2 arrangement are fixedly connected to the bottom of the treatment box.

Preferably, the mounting groove has been seted up to the lateral wall of handling the case, the mounting groove sets up with the mounting hole intercommunication, the inside wall sliding connection of mounting groove has the filter, the spacing groove that is the L type is seted up to the inside wall of mounting groove, the interior bottom fixedly connected with sleeve of spacing groove, the sleeve expansion end rotates and is connected with the gag lever post, the draw-in groove that corresponds with the gag lever post is seted up at the top of filter, the lateral wall fixedly connected with carriage release lever of gag lever post.

The utility model has the advantages that:

1. through the mutual matching among the waste gas collecting pipe, the reaction box, the locking universal wheel and the U-shaped rod, when a teacher conducts an experiment, the treatment box is lifted to the test bed, harmful gas generated during the experiment enters the reaction box through the waste gas collecting pipe and the air inlet pipe to be treated, different chemical solutions can be placed in the reaction box according to main harmful gas generated during the experiment, and therefore the purpose of timely treating the harmful gas generated during the teaching experiment is achieved;

2. waste gas can produce some new some gases harmless basically to the human body after the chemical solution reaction in the reaction box, like carbon dioxide, in gas can get into the outlet duct, collect this type of gas by gas collecting device again, the gas after collecting can carry out the secondary according to the gas nature and use to when having realized the purpose of in time handling harmful gas, also realized the rational utilization to waste gas.

Drawings

Fig. 1 is a schematic structural view of a laboratory exhaust gas treatment device provided by the present invention;

FIG. 2 is a schematic view of a connection structure between a filter plate and a treatment box of a laboratory exhaust gas treatment device according to the present invention;

FIG. 3 is a schematic view showing a connection state between a treatment tank and a filter plate in a laboratory exhaust gas treatment apparatus according to the present invention;

fig. 4 is a front view of a laboratory exhaust treatment device according to the present invention.

In the figure: 1 treatment box, 2 baffles, 3 reaction boxes, 4 box covers, 5 air inlet pipes, 6 waste gas collecting pipes, 7 air outlet pipes, 8 liquid outlet pipes, 9 discharge valves, 10 gas collecting pipes, 11 water tanks, 12 gas collecting bottles, 13 mounting columns, 14U-shaped rods, 15 locking universal wheels, 16 mounting grooves, 17 filter plates, 18 limiting grooves, 19 sleeves, 20 limiting rods, 21 moving rods and 22 rubber sealing gaskets.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a laboratory exhaust-gas treatment equipment, including handling case 1, the top of handling case 1 is rotated and is connected with baffle 2, and the equal fixedly connected with of lateral wall is the erection column 13 of T type about the top of handling case 1, and the lateral wall of two erection columns 13 rotates and has cup jointed same U type pole 14, and wherein, utilizes U type pole 14 convenience to remove whole equipment.

Wherein, handle interior bottom fixed connection of case 1 and have reaction box 3, reaction box 3's top is inserted and is equipped with case lid 4, reaction box 3's interior bottom is provided with waste liquid discharging equipment, waste liquid discharging equipment include with reaction box 3 interior bottom fixed connection's drain pipe 8, the bottom of reaction box 3 and the bottom of handling case 1 all offer the through-hole that corresponds with drain pipe 8, drain pipe 8's bottom lateral wall fixedly connected with relief valve 9, the one end that drain pipe 8 was kept away from to relief valve 9 runs through-hole and outside extension, wherein, relief valve 9 is prior art, do not do detailed description here.

Wherein, the air inlet has been seted up to the lateral wall of reaction box 3, the inside wall fixedly connected with rubber packing pad 22 of air inlet, utilize rubber packing pad 22 to guarantee the leakproofness between intake pipe 5 and the reaction box 3, rubber packing pad 22's inside wall fixedly connected with intake pipe 5, the one end of reaction box 3 and the inside wall fixed connection who handles case 1 are kept away from to intake pipe 5, the mounting hole that corresponds with intake pipe 5 is seted up to the lateral wall of handling case 1, one side inside wall fixedly connected with exhaust gas collection pipe 6 of intake pipe 5 is kept away from to the mounting hole, it explains that, exhaust gas collection pipe 6 is the funnel type setting, make things convenient for waste gas to get into.

Wherein, the outer side wall of the processing box 1 is provided with a mounting groove 16, the mounting groove 16 is communicated with the mounting hole, the inner side wall of the mounting groove 16 is connected with a filter plate 17 in a sliding way, the inner side wall of the mounting groove 16 is provided with an L-shaped limit groove 18, the inner bottom of the limit groove 18 is fixedly connected with a sleeve 19, the movable end of the sleeve 19 is connected with a limit rod 20 in a rotating way, the outer side wall of the sleeve 19 is provided with an internal thread, the top of the limit rod 12 is provided with a circular groove corresponding to the movable end of the sleeve 19, the inner side wall of the circular groove is provided with an external thread corresponding to the internal thread, the rotary connection between the sleeve 19 and the limit rod 12 is realized through the threaded connection of the internal thread and the external thread (wherein, the internal thread, the external thread and the circular groove are, it should be noted that, utilize filter 17 effectively to prevent the inside of particulate matter entering reaction box 3 in the air, rotate carriage release lever 21, make it be located the vertical inslot that is the L type limiting groove 18 after, up move carriage release lever 21 again for spacing rod 20 and filter 17 separation make things convenient for the installation of filter 17 to dismantle.

Wherein, the lateral wall of reaction box 3 is inserted and is equipped with outlet duct 7 that sets up with 3 intercommunications of reaction box, the one end that reaction box 3 was kept away from to outlet duct 7 runs through the lateral wall of baffle 2 and is connected with gaseous collection device, gaseous collection device is including inserting the discharge tube 10 of establishing at 7 tip of outlet duct, the last fixed surface of baffle 2 is connected with water tank 11, gas collecting bottle 12 has been placed to the inside of water tank 11, the one end that outlet duct 7 was kept away from to discharge tube 10 is pegged graft with gaseous collecting bottle 12, four locking universal wheels 15 of 2 rows of bottom fixedly connected with of handling case 1, it needs to explain, utilize drainage method can effectively collect the new gas that waste gas produced after handling, realize the reasonable effectual utilization to gas, wherein locking universal wheel 15 is prior art, do not do here detailed description.

In the utility model, when a teaching experiment is carried out, the device is taken to a test bed by utilizing the U-shaped rod 14, the waste gas collecting pipe 6 is placed near an experimental device, the locking universal wheel 15 is locked, waste gas generated after the experiment begins enters the waste gas collecting pipe 6 and then enters the reaction box 3 through the air inlet pipe 5, then the waste gas can generate chemical reaction with the solution in the reaction box 3 and generate new gas which is basically harmless to the human body, the gas can enter the gas collecting pipe 10 after entering the gas outlet pipe 7 and then enters the gas collecting bottle 12, the collected gas is pure and can be reasonably utilized according to the characteristics of the gas;

when the solution concentration in the reaction box 3 is reduced and another chemical solution cannot be adopted in the process of treating waste gas or carrying out different experiments, the discharge valve 9 can be opened, waste liquid is poured into a specific waste liquid collecting box, the gas collecting pipe 10 and the gas outlet pipe 7 are pulled out, the baffle plate 2 and the box cover 4 are opened, new solution is poured into the reaction box 3, and the box cover 4 and the baffle plate 2 are covered.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a laboratory waste gas treatment equipment, includes processing case (1), its characterized in that, the top of processing case (1) is rotated and is connected with baffle (2), the interior bottom fixed connection who handles case (1) has reaction box (3), the top of reaction box (3) is inserted and is equipped with case lid (4), the interior bottom of reaction box (3) is provided with waste liquid discharging equipment, the air inlet has been seted up to the lateral wall of reaction box (3), the inside wall fixedly connected with rubber packing (22) of air inlet, the inside wall fixedly connected with intake pipe (5) of rubber packing (22), the one end that reaction box (3) were kept away from to intake pipe (5) is with the inside wall fixed connection who handles case (1), the mounting hole that corresponds with intake pipe (5) is seted up to the lateral wall of processing case (1), one side fixedly connected with waste gas collecting pipe (6) of inside wall that one side fixedly connected with of (5) was, the outer side wall of the reaction box (3) is inserted with an air outlet pipe (7) communicated with the reaction box (3), and one end, far away from the reaction box (3), of the air outlet pipe (7) penetrates through the outer side wall of the baffle (2) and is connected with a gas collecting device.

2. The laboratory waste gas treatment equipment according to claim 1, wherein the waste liquid discharge device comprises a liquid outlet pipe (8) fixedly connected with the bottom inside the reaction box (3), the bottom of the reaction box (3) and the bottom of the treatment box (1) are both provided with a through hole corresponding to the liquid outlet pipe (8), the outer side wall of the bottom of the liquid outlet pipe (8) is fixedly connected with a discharge valve (9), and one end of the discharge valve (9) far away from the liquid outlet pipe (8) penetrates through the through hole and extends outwards.

3. The laboratory waste gas treatment equipment according to claim 1, wherein the gas collecting device comprises a gas collecting pipe (10) inserted at the end of the gas outlet pipe (7), a water tank (11) is fixedly connected to the upper surface of the baffle plate (2), a gas collecting bottle (12) is placed inside the water tank (11), and one end of the gas collecting pipe (10) far away from the gas outlet pipe (7) is inserted into the gas collecting bottle (12).

4. The laboratory exhaust-gas treatment device of claim 1, characterized in that the left and right outer side walls of the top of the treatment box (1) are fixedly connected with T-shaped mounting columns (13), and the outer side walls of the two mounting columns (13) are rotatably sleeved with the same U-shaped rod (14).

5. A laboratory exhaust treatment device according to claim 1, characterized in that four locking universal wheels (15) in a 2 x 2 arrangement are fixedly connected to the bottom of the treatment tank (1).

6. The laboratory exhaust-gas treatment equipment according to claim 1, characterized in that, the outer side wall of the treatment box (1) is provided with a mounting groove (16), the mounting groove (16) is communicated with the mounting hole, the inner side wall of the mounting groove (16) is slidably connected with a filter plate (17), the inner side wall of the mounting groove (16) is provided with an L-shaped limiting groove (18), the inner bottom of the limiting groove (18) is fixedly connected with a sleeve (19), the movable end of the sleeve (19) is rotatably connected with a limiting rod (20), the top of the filter plate (17) is provided with a clamping groove corresponding to the limiting rod (20), and the outer side wall of the limiting rod (20) is fixedly connected with a moving rod (21).