Explosion-proof device of ethylene glycol reaction kettle for laboratory

Abstract

The utility model discloses an ethylene glycol reaction kettle explosion-proof device for a laboratory, which comprises an experiment table body, a protection assembly capable of preventing a reaction kettle from bursting at high temperature and high pressure to hurt people, and a collection assembly capable of collecting fragments of the reaction kettle after bursting to facilitate cleaning, and both the protection assembly and the collection assembly are arranged on the experiment table body; the protection assembly comprises a hollow cover body capable of covering the reaction kettle during reaction of the reaction kettle, a lifting assembly for driving the hollow cover body to lift and a flow guide pipe capable of adding reactants inwards when the reaction kettle is covered, the lifting assembly is fixed to the experiment table body, the hollow cover body is connected to the lifting end of the lifting assembly, the hollow cover body is of a net structure, and the lifting assembly is connected to the lifting end of the lifting assembly. A mounting part for mounting the flow guide pipe is arranged on the hollow cover body, and the flow guide pipe is detachably mounted on the mounting part; compared with the prior art, the reaction kettle is covered by the hollow cover body in the reaction process, so that the phenomenon that explosion fragments of the reaction kettle splash to hurt people at high temperature and high pressure is avoided.

Description

Technical Field

[0001] The utility model relates to the field of chemistry, in particular to an explosion-proof device for an ethylene glycol reaction kettle for a laboratory. Background Art

[0002] During the ethylene glycol preparation experiment, the reactor needs to be used for a certain lifespan in a high temperature and high pressure environment. If the experimenter does not replace the experimental supplies and equipment in time, or the heating is uneven, then when preparing ethylene glycol for a high temperature and high pressure reaction, an explosion may occur during the reaction. The fragments produced by the explosion may cause harm to the experimenter. The prior art lacks a device to protect the experimenter. Utility Model Content

[0003] In view of the above, the utility model provides an explosion-proof device for an ethylene glycol reactor for laboratory use to solve the problems existing in the above-mentioned prior art.

[0004] According to one aspect of the utility model, there is provided an explosion-proof device for an ethylene glycol reactor for use in a laboratory, comprising a laboratory table, a protective component capable of preventing the reactor from exploding at high temperature and high pressure and injuring people, and a collecting component capable of collecting reactor fragments after the explosion for easy cleaning, wherein the protective component and the collecting component are both arranged on the laboratory table;

[0005] The protection assembly includes a hollow cover body that can cover the reactor when the reactor is reacting, a lifting assembly that drives the hollow cover body to rise and fall, and a guide tube that can add reactants into the reactor when the reactor is covered. The lifting assembly is fixed on the experimental table body, and the hollow cover body is connected to the lifting end of the lifting assembly. The hollow cover body is a mesh structure, and a mounting portion for mounting the guide tube is provided on the hollow cover body, and the guide tube is detachably mounted on the mounting portion;

[0006] The collecting assembly comprises a collecting hood which is a mesh structure. A placing table for placing the reactor is provided on the experimental table body. A through hole is provided in the middle of the collecting hood for allowing the placing table to pass through. The collecting hood is fixed on the table top of the experimental table body through the through holes around the placing table. The outer edge of the collecting hood is connected to the outer edge of the hollow hood body around.

[0007] Preferably, the lifting assembly includes an electric telescopic rod, which is fixed to the experimental platform body via a supporting frame.

[0008] Preferably, the inlet end of the flow guide tube is trumpet-shaped.

[0009] Preferably, the hollow cover body and the collecting cover are both hemispherical structures.

[0010] The beneficial effects of the utility model are:

[0011] By covering the reactor with a hollow cover during the reaction process, the reactor can be prevented from exploding under high temperature and high pressure and causing splashing fragments to injure people. The hollow cover and the collecting cover adopt a mesh structure, which can also facilitate the experimenters to observe the reaction situation. The collecting cover is used to collect the explosion fragments, avoiding the trouble of cleaning the fragments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0013] In the figure, 1. experimental table body; 2. hollow cover body; 3. guide tube; 4. installation part; 5. collection cover; 6. placement table; 7. electric telescopic rod; 8. support frame. DETAILED DESCRIPTION

[0014] The utility model is further described below with reference to the accompanying drawings and some embodiments.

[0015] Figure 1 In the invention, an explosion-proof device for an ethylene glycol reactor for a laboratory comprises a laboratory table body 1, a protective component capable of preventing the reactor from exploding at high temperature and high pressure and injuring people, and a collecting component capable of collecting reactor fragments after the explosion for easy cleaning, wherein the protective component and the collecting component are both arranged on the laboratory table body 1;

[0016] The protection assembly includes a hollow cover body 2 that can cover the reactor when the reactor is reacting, a lifting assembly that drives the hollow cover body 2 to rise and fall, and a guide tube 3 that can add reactants into the reactor when the reactor is covered. The lifting assembly is fixed on the experimental table body 1, and the hollow cover body 2 is connected to the lifting end of the lifting assembly. The hollow cover body 2 is a mesh structure, and a mounting portion 4 for mounting the guide tube 3 is provided on the hollow cover body 2, and the guide tube 3 is detachably mounted on the mounting portion 4;

[0017] When the experiment needs to add reagents, the guide tube 3 can be inserted into the installation part 4, the opening at the lower end of the guide tube 3 is aligned with the reagent addition port of the reactor, and then the reagent to be added is poured in. The installation part 4 can be connected to a cover body through a hinge, which can be covered at ordinary times and opened when adding.

[0018] The collecting assembly includes a collecting hood 5, which is a mesh structure. A placing table 6 for placing the reactor is provided on the experimental table body 1. A through hole is provided in the middle of the collecting hood 5 to allow the placing table 6 to pass through. The placing table 6 passes through the through holes around the collecting hood 5 to fix the collecting hood 5 on the table surface of the experimental table body 1, and the outer edge of the collecting hood 5 is connected to the outer edge of the hollow cover body 2 around.

[0019] In this embodiment, the lifting assembly includes an electric telescopic rod 7, which is fixed to the experimental platform body 1 through a supporting frame 8; the inlet end of the guide tube 3 is trumpet-shaped; the hollow cover body 2 and the collection cover 5 are both hemispherical structures; the experimental platform body 1 is also provided with a lifting switch of the electric telescopic rod 7; the electric telescopic rod 7 is a spiral electric lifting rod or a linear motor type telescopic rod commonly used in the prior art, which will not be described in detail here.

[0020] In the specific implementation of this embodiment:

[0021] During the heating process, the staff can turn on the lifting switch and adjust the descending height of the electric telescopic rod 7 to make the lower edge of the hollow cover 2 connect with the upper edge of the collecting cover 5. When the reactor explodes, the hollow cover 2 will block the explosion fragments of the reactor, thereby preventing the fragments from hurting people. At the same time, after the explosion, the fragments will fall into the collecting cover 5, which is convenient for the subsequent handling of the fragments.

[0022] In this embodiment, the control circuit of the utility model is a common circuit in the circuit field. The device of the utility model can be connected to an external power supply or a built-in battery through a power cord to provide power for the device. Technicians in the relevant technical field can implement it and will not be elaborated here.

[0023] It is worth noting that: in the description of the present utility model, the meaning of "multiple" is two or more than two, unless otherwise clearly and specifically defined. In the present utility model, unless otherwise clearly specified and defined, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; the circuits described in the present utility model are all commonly used circuits in the field, and other related components are all existing commonly used components. For ordinary technicians in the field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An explosion-proof device for an ethylene glycol reactor for laboratory use, characterized in that: It includes a test bench body, a protective component that can prevent the reactor from exploding at high temperature and high pressure and injuring people, and a collection component that can collect reactor fragments after the explosion for easy cleaning. The protective component and the collection component are both arranged on the test bench body; The protection assembly includes a hollow cover body that can cover the reactor when the reactor is reacting, a lifting assembly that drives the hollow cover body to rise and fall, and a guide tube that can add reactants into the reactor when the reactor is covered. The lifting assembly is fixed on the experimental table body, and the hollow cover body is connected to the lifting end of the lifting assembly. The hollow cover body is a mesh structure, and a mounting portion for mounting the guide tube is provided on the hollow cover body, and the guide tube is detachably mounted on the mounting portion; The collecting assembly comprises a collecting hood which is a mesh structure. A placing table for placing the reactor is provided on the experimental table body. A through hole is provided in the middle of the collecting hood for allowing the placing table to pass through. The collecting hood is fixed on the table top of the experimental table body through the through holes around the placing table. The outer edge of the collecting hood is connected to the outer edge of the hollow hood body around.

2. The explosion-proof device for ethylene glycol reactor for laboratory use according to claim 1, characterized in that: The lifting assembly comprises an electric telescopic rod, which is fixed on the experimental platform body through a supporting frame.

3. The explosion-proof device for ethylene glycol reactor for laboratory use according to claim 1, characterized in that: The inlet end of the flow guide pipe is trumpet-shaped.

4. The explosion-proof device for ethylene glycol reactor for laboratory use according to claim 1, characterized in that: The hollow cover body and the collecting cover are both hemispherical structures.

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