CN211937025U

CN211937025U - Safety experiment table for chemistry experiments

Info

Publication number: CN211937025U
Application number: CN202020497740.1U
Authority: CN
Inventors: 董翰林; 杨伟成; 时俊卿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-17
Anticipated expiration: 2030-04-08

Abstract

The utility model provides a safety experiment table for chemistry experiments, including base, workstation, protection casing, updraft ventilator, belt cleaning device, collecting box, the bottom level of base sets up, the inside of base is provided with places district, collecting region, place the district with the outside of collecting region is provided with the door that opens and shuts respectively, the inside of placing the district is provided with the rack, the workstation sets up the top of base, the protection casing sets up to the open box-like structure in one side. The utility model discloses carry out effectual extraction to the harmful gas that produces in the experimentation to adsorb it and handle, thereby guaranteed experimental environment's air safety, guaranteed the security of experiment, collect the waste liquid that the experimental device cleaning process produced, thereby the convenience carries out unified processing to it, and the waste water after having avoided wasing directly discharges into the inside pollution that causes the water resource of sewer.

Description

Safety experiment table for chemistry experiments

Technical Field

The utility model relates to an experiment table technical field, concretely relates to safety experiment table for chemistry experiments.

Background

Chemistry is one of important basic sciences, is a subject based on experiments, and is rapidly developed in the interpenetration with the subjects of physics, biology, geography, astronomy and the like, and the development of other subjects and technologies is promoted. In the process of learning chemical courses, students are often required to perform experiments in person to deepen the learning impression of the students and improve the practical ability of the students.

Chemistry experiment need use the laboratory bench at the in-process of operation, but often can produce harmful gas at the in-process of chemistry experiment, the laboratory bench that the school used does not carry out fine safeguard measure to this, has certain potential safety hazard, and after the experiment, to the household utensils that use in the experimentation, generally directly wash it, waste water after the washing often can directly discharge the inside of sewer, and the waste liquid of chemistry experiment is very big to the pollution at water source to cause water pollution scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell not enough, provide a safety experiment table for chemistry experiments.

In order to achieve the above object, the technical solution of the present invention is: a safety experiment table for chemical experiments comprises a base, a workbench, a protective cover, an air draft device, a cleaning device and a collecting box, wherein the bottom of the base is horizontally arranged, a placing area and a collecting area are arranged inside the base, opening and closing doors are respectively arranged outside the placing area and the collecting area, a placing rack is arranged inside the placing area, the workbench is arranged above the base, the protective cover is of a box-shaped structure with one open side, the protective cover is arranged on the upper surface of the workbench, the air draft device comprises a fan, an exhaust pipe, a gas collecting hood, a gas feeding pipe and an adsorption box, the fan is arranged above a top plate of the protective cover, an air inlet of the fan is fixedly connected with one end of the exhaust pipe, and the other end of the exhaust pipe penetrates through the top plate of the protective cover and extends to the inside of the protective cover, the gas collecting hood is arranged inside the protective hood, the upper end of the gas collecting hood is fixedly connected with the exhaust pipe arranged at one end inside the protective hood, one end of the air supply pipe is fixedly connected with the air outlet of the fan, one side wall of the adsorption box is fixedly connected with the other end of the air supply pipe, the adsorption box is internally provided with an adsorption net, the other side wall of the adsorption box is provided with an exhaust pipe, the cleaning device comprises a faucet, a switch and a cleaning tank, the faucet is arranged above the workbench and externally connected with a water source, the switch is arranged on the faucet, the cleaning tank is arranged inside the workbench, the collecting tank is arranged inside the collecting region, a collecting pipeline is arranged on a top plate of the collecting tank, and the top end of the collecting pipeline penetrates through a bottom plate of the cleaning tank and extends to the inside of the cleaning tank, and a water outlet pipeline is arranged at the bottom end of the side wall of one side of the collecting box.

Furthermore, the exhaust pipe is provided with fixing parts on the upper side and the lower side of the top plate of the protective cover respectively, the fixing parts are sleeved outside the exhaust pipe, and the fixing parts are fixedly connected with the top plate of the protective cover.

Further, the gas collecting hood is arranged in a horn shape.

Further, the adsorption net is set to be an activated carbon adsorption net.

Furthermore, a filter screen is arranged at the top end of the collecting pipeline.

Further, an observation window is arranged outside the collecting box.

Furthermore, a stop valve is arranged on the water outlet pipeline.

Contrast prior art, the utility model discloses following beneficial effect has:

1. the utility model has the advantages that the protective cover is arranged, the air draft device is arranged above the protective cover, harmful gas generated in the experimental process is effectively extracted and is adsorbed, so that the air safety of the experimental environment is ensured, and the safety of the experiment is ensured;

2. the utility model discloses a set up the collecting box in the below of washing tank, collect the waste liquid that the experimental device cleaning process produced to the convenience carries out unified processing to it, and the waste water after having avoided wasing directly discharges into the inside pollution that causes the water resource of sewer.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the structure of the door of the present invention.

In the figure: 1 base, 2 work tables, 3 protective covers, 4 air draft devices, 5 cleaning devices, 6 collecting boxes, 11 placing areas, 12 collecting areas, 13 opening and closing doors, 14 placing racks, 41 fans, 42 air exhaust pipes, 43 air collecting hoods, 44 air supply pipes, 45 adsorption boxes, 46 adsorption nets, 47 exhaust pipes, 51 taps, 52 switches, 53 cleaning tanks, 61 collecting pipelines, 62 water outlet pipelines, 48 fixing pieces, 63 filtering nets, 64 observation windows and 65 stop valves.

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.

As shown in fig. 1 and 2, a safety experiment table for chemical experiments comprises a base 1, a workbench 2, a protective cover 3, an air draft device 4, a cleaning device 5 and a collecting box 6, wherein the bottom of the base 1 is horizontally arranged, a placing area 11 and a collecting area 12 are arranged inside the base 1, an opening and closing door 13 is respectively arranged outside the placing area 11 and the collecting area 12, a placing rack 14 is arranged inside the placing area 11, the workbench 2 is arranged above the base 1, the protective cover 3 is arranged in a box-shaped structure with one open side, the protective cover 3 is arranged on the upper surface of the workbench 2, the air draft device 4 comprises a fan 41, an air draft tube 42, an air collecting hood 43, an air feeding tube 44 and an adsorption box 45, the fan 41 is arranged above the top plate of the protective cover 3, and an air inlet of the fan 41 is fixedly connected with one end of the air draft tube 42, the other end of the air exhaust pipe 42 penetrates through the top plate of the protective cover 3 and extends to the inside of the protective cover 3, the gas collecting hood 43 is arranged inside the protective cover 3, the upper end of the gas collecting hood 43 is fixedly connected with the air exhaust pipe 42 arranged at one end inside the protective cover 3, one end of the air supply pipe 44 is fixedly connected with the air outlet of the fan 41, the side wall of one side of the adsorption box 45 is fixedly connected with the other end of the air supply pipe 44, the inside of the adsorption box 45 is provided with an adsorption net 46, the side wall of the other side of the adsorption box 45 is provided with an exhaust pipe 47, the cleaning device 5 comprises a water tap 51, a switch 52 and a cleaning tank 53, the water tap 51 is arranged above the workbench 2, the water tap 51 is externally connected with a water source, the switch 52 is arranged on the water tap 51, and the cleaning tank 53 is arranged inside, the collecting box 6 is arranged inside the collecting area 12, a collecting pipe 61 is arranged on the top plate of the collecting box 6, the top end of the collecting pipe 61 penetrates through the bottom plate of the cleaning tank 53 and extends into the cleaning tank 53, and a water outlet pipe 62 is arranged on the side wall of one side of the collecting box 6 close to the bottom end.

Further, the upper side and the lower side of the top plate of the protection cover 3 of the exhaust pipe 42 are respectively provided with a fixing piece 48, the fixing piece 48 is sleeved outside the exhaust pipe 42, and the fixing piece 48 is fixedly connected with the top plate of the protection cover 3.

Further, the gas collecting channel 43 is provided in a horn shape.

Further, the adsorption net 46 is provided as an activated carbon adsorption net.

Further, a filter screen 63 is disposed at the top end of the collecting pipe 61.

Further, the outside of the collection box 6 is provided with a viewing window 64.

Further, a stop valve 65 is disposed on the water outlet pipe 62.

The utility model provides a safety experiment table for chemical experiments, a placing rack in a placing area is used for placing experimental equipment, by carrying out experiments in the protective cover, the fan is started, the fan drives the gas collecting hood to extract the air in the protective cover, thereby extracting the harmful gas generated in the experimental process, sending the harmful gas to the inside of the adsorption box under the action of the fan, the active carbon adsorption net can effectively adsorb the active carbon adsorption net and then discharge the active carbon adsorption net, thereby ensuring the safety of the experiment, after the experiment is finished, the switch is turned on, the experimental equipment is cleaned through the water tap, the cleaned waste liquid enters the collecting box through the collecting pipeline, the liquid level in the collecting box is observed through the observation window arranged outside the collecting box, after the liquid level reaches a certain degree, the stop valve is opened, and the waste liquid in the collecting box is treated.

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.

Claims

1. The utility model provides a safety experiment table for chemistry experiments which characterized in that: comprises a base (1), a workbench (2), a protective cover (3), an air draft device (4), a cleaning device (5) and a collecting box (6), wherein the bottom of the base (1) is horizontally arranged, a placing area (11) and a collecting area (12) are arranged in the base (1), an opening and closing door (13) is respectively arranged outside the placing area (11) and the collecting area (12), a placing frame (14) is arranged in the placing area (11), the workbench (2) is arranged above the base (1), the protective cover (3) is of a box-shaped structure with one open side, the protective cover (3) is arranged on the upper surface of the workbench (2), the air draft device (4) comprises a fan (41), an air exhaust pipe (42), an air collecting cover (43), an air supply pipe (44) and an adsorption box (45), the fan (41) is arranged above a top plate of the protective cover (3), the air inlet of the fan (41) is fixedly connected with one end of the air exhaust pipe (42), the other end of the air exhaust pipe (42) penetrates through a top plate of the protective cover (3) and extends to the inside of the protective cover (3), the gas collecting hood (43) is arranged inside the protective cover (3), the upper end of the gas collecting hood (43) is fixedly connected with one end of the air exhaust pipe (42) arranged inside the protective cover (3), one end of the air supply pipe (44) is fixedly connected with an air outlet of the fan (41), one side wall of the adsorption box (45) is fixedly connected with the other end of the air supply pipe (44), the inside of the adsorption box (45) is provided with an adsorption net (46), the other side wall of the adsorption box (45) is provided with an exhaust pipe (47), and the cleaning device (5) comprises a water tap (51), a switch (52), a water outlet pipe (47) and a cleaning device, The cleaning tank (53), tap (51) set up the top of workstation (2), tap (51) external water source, switch (52) set up on tap (51), cleaning tank (53) set up the inside of workstation (2), collecting box (6) set up the inside in collecting region (12), be provided with on the roof of collecting box (6) and collect pipeline (61), the top of collecting pipeline (61) passes the bottom plate of cleaning tank (53) and extends to the inside of cleaning tank (53), the nearly bottom end of one side lateral wall of collecting box (6) is provided with outlet conduit (62).

2. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: the exhaust pipe (42) is provided with fixing parts (48) on the upper side and the lower side of the top plate of the protective cover (3) respectively, the fixing parts (48) are sleeved outside the exhaust pipe (42), and the fixing parts (48) are fixedly connected with the top plate of the protective cover (3).

3. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: the gas collecting hood (43) is in a horn shape.

4. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: the adsorption net (46) is set to be an activated carbon adsorption net.

5. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: and a filter screen (63) is arranged at the top end of the collecting pipeline (61).

6. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: and an observation window (64) is arranged outside the collection box (6).

7. A safety laboratory bench for chemical experiments as claimed in claim 1, wherein: a stop valve (65) is arranged on the water outlet pipeline (62).