Reaction kettle for producing methylcyclohexane

Abstract

The utility model discloses a reaction kettle for producing methylcyclohexane, relates to the technical field of reaction kettles, and provides the following scheme aiming at the problems that in the prior art, when a reaction kettle is opened, waste gas can be directly discharged into the air, so that the air is polluted, and the health of a human body is harmed: the reaction kettle comprises a kettle body, a mounting frame is fixed on the annular outer wall of the kettle body, a reaction cylinder, a filter cylinder and an exhaust fan are sequentially arranged at one end of the top of the mounting frame, a cylinder cover is inserted into the top of the reaction cylinder, a first long pipe and a first short pipe which are adjacent to each other are fixedly inserted into the top of the cylinder cover, and a sealing cover is inserted into the top of the filter cylinder. Through suction of the exhaust fan, waste gas in the kettle body sequentially passes through the reaction cylinder and the filter cylinder, the waste gas reacts with a solution in the reaction cylinder, harmful substances in the waste gas are adsorbed and filtered out by activated carbon particles placed in the cylinder, and finally the gas enters the exhaust fan along the second short pipe and the connecting pipe and then is exhausted.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for producing methylcyclohexane. Background Art

[0002] Methylcyclohexane is an organic compound with the chemical formula C7H14. It is a colorless, transparent liquid, insoluble in water, but soluble in ethanol, ether, acetone, benzene, petroleum ether, carbon tetrachloride, etc. It is mainly used as a solvent, a standard substance for chromatographic analysis, and as a standard for calibrating thermometers. It is also used in organic synthesis.

[0003] In the traditional methylcyclohexane production process, waste gas is generated in the reactor. When the reactor is opened, the waste gas is directly discharged into the air, causing air pollution and endangering human health. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a reactor for producing methylcyclohexane, which overcomes the deficiencies of the prior art and effectively solves the problem in the prior art that when the reactor is opened, the waste gas is directly discharged into the air, causing air pollution and endangering human health.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A reaction kettle for producing methylcyclohexane comprises a kettle body, a mounting frame is fixed on the annular outer wall of the kettle body, and a reaction cylinder, a filter cylinder and an exhaust fan are sequentially arranged on one end of the top of the mounting frame, a cylinder cover is plugged into the top of the reaction cylinder, and a first adjacent long tube and a first adjacent short tube are plugged and fixed on the top of the cylinder cover, a sealing cover is plugged into the top of the filter cylinder, and a second adjacent long tube and a second adjacent short tube are plugged and fixed on the top of the sealing cover, a placing cylinder is fixed on the bottom of the sealing cover, and a placing opening is opened on the top of the annular outer wall of the placing cylinder, activated carbon particles are placed in the placing cylinder, and the height of the activated carbon particles filled is lower than the placing opening.

[0007] Through the suction of the exhaust fan, the waste gas in the kettle body enters the reaction cylinder through the exhaust pipe and the connecting pipe, and is discharged from the bottom end of the first long tube near the bottom of the reaction cylinder. The waste gas reacts with the solution in the reaction cylinder. The waste gas after the reaction is discharged from the solution and then enters the filter cylinder through the first short tube and the connecting pipe, and is discharged from the bottom end of the second long tube near the bottom of the cylinder. In the process of flowing upward, the activated carbon particles placed in the cylinder absorb and filter out harmful substances. Finally, the gas enters the exhaust fan along the second short tube and the connecting pipe and is discharged.

[0008] Preferably, an exhaust pipe is plugged and fixed to the top cover of the kettle body, and the exhaust pipe and the reaction cylinder, the reaction cylinder and the filter cylinder, and the filter cylinder and the exhaust fan are all connected to each other through connecting pipes.

[0009] The exhaust gas in the kettle body passes through the exhaust pipe and the connecting pipe, and then passes through the reaction cylinder and the filter cylinder in turn, so as to remove harmful substances in the exhaust gas.

[0010] Preferably, adjacent placement holes are provided on the top of the mounting frame, and the reaction cartridge and the filter cartridge are both inserted into the placement holes.

[0011] The reaction cartridge and the filter cartridge are inserted into the placement holes on the top of the mounting frame in sequence.

[0012] Preferably, the outer walls of the reaction cylinder and the filter cylinder are both sleeved and fixed with limiting rings, and the diameter of the limiting rings is larger than the diameter of the placement hole.

[0013] By means of the provided limiting ring, the reaction cylinder and the filter cylinder can stay in the placement hole and will not fall downward from the placement hole.

[0014] Preferably, a drain pipe is plugged and fixed at the bottom of the reaction cylinder, and a control valve is installed on the drain pipe.

[0015] The solution in the reaction cylinder can be drained and replaced by opening the control valve of the drain pipe.

[0016] Preferably, activated carbon particles are placed in the placement tube, and the height of the activated carbon particles filled is lower than the placement opening.

[0017] The beneficial effects of the utility model are:

[0018] Through the suction of the exhaust fan, the waste gas in the kettle body passes through the reaction cylinder and the filter cylinder in turn, the waste gas is reacted with the solution in the reaction cylinder, and the harmful substances in the waste gas are adsorbed and filtered out by the activated carbon particles placed in the cylinder. Finally, the gas enters the exhaust fan along the second short pipe and the connecting pipe and is discharged, which effectively solves the problem in the prior art that when the reactor is opened, the waste gas will be directly discharged into the air, causing air pollution and endangering human health. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a reaction kettle for producing methylcyclohexane proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the reaction tube structure of a reaction kettle for producing methylcyclohexane proposed by the utility model;

[0021] Figure 3 The utility model discloses a schematic diagram of the filter cartridge structure of a reactor for producing methylcyclohexane.

[0022] In the figure: 1. kettle body; 2. exhaust pipe; 3. mounting frame; 4. reaction cylinder; 5. filter cylinder; 6. exhaust fan; 7. limit ring; 8. drain pipe; 9. cylinder cover; 10. first long tube; 11. first short tube; 12. sealing cover; 13. second long tube; 14. second short tube; 15. placement cylinder; 16. placement port. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example:

[0025] Reference Figure 1-3 , a reactor for producing methylcyclohexane, comprising a reactor body 1, a mounting frame 3 is fixed on the annular outer wall of the reactor body 1, a reaction cylinder 4, a filter cylinder 5 and an exhaust fan 6 are sequentially arranged at one end of the top of the mounting frame 3, an exhaust pipe 2 is plugged and fixed on the top cover of the reactor body 1, the exhaust pipe 2 and the reaction cylinder 4, the reaction cylinder 4 and the filter cylinder 5, and the filter cylinder 5 and the exhaust fan 6 are all connected to each other through a connecting pipe, the exhaust gas in the reactor body 1 passes through the exhaust pipe 2 and the connecting pipe, and passes through the reaction cylinder 4 and the filter cylinder 5 in turn, so as to remove harmful substances in the exhaust gas, the top of the mounting frame 3 is provided with adjacent placement holes, the reaction cylinder 4 and the filter cylinder 5 are both plugged into the placement holes, the reaction cylinder 4 and the filter cylinder 5 are sequentially plugged into the placement holes at the top of the mounting frame 3, the outer walls of the reaction cylinder 4 and the filter cylinder 5 are both sleeved and fixed with a limiting ring 7, the diameter of the limiting ring 7 is larger than the diameter of the placement hole, and the limiting ring 7 is provided so that the reaction cylinder 4 and the filter cylinder 5 can stay in the placement hole without falling down from the placement hole;

[0026] A cylinder cover 9 is inserted into the top of the reaction cylinder 4, and the top of the cylinder cover 9 is fixedly connected with an adjacent first long tube 10 and a first short tube 11, and a drain pipe 8 is inserted into the bottom of the reaction cylinder 4, and a control valve is installed on the drain pipe 8. By opening the control valve of the drain pipe 8, the solution in the reaction cylinder 4 can be discharged for replacement, and a sealing cover 12 is inserted into the top of the filter cylinder 5, and the top of the sealing cover 12 is fixedly connected with an adjacent second long tube 13 and a second short tube 14, and a placement cylinder 15 is fixed at the bottom of the sealing cover 12. A placement opening 16 is provided at the top of the annular outer wall of the placement cylinder 15, and activated carbon particles are placed in the placement cylinder 15, and the height of the activated carbon particles filled is lower than the placement opening 16, so that harmful substances in the exhaust gas are further absorbed and filtered by the activated carbon particles.

[0027] Working principle:

[0028] Through the suction of the exhaust fan 6, the exhaust gas in the kettle body 1 enters the reaction tube 4 through the exhaust pipe 2 and the connecting pipe, and is discharged from the bottom end of the first long tube 10 near the bottom of the reaction tube 4. The exhaust gas reacts with the solution in the reaction tube 4. The reacted exhaust gas is discharged from the solution and then enters the filter tube 5 through the first short tube 11 and the connecting pipe, and is discharged from the bottom end of the second long tube 13 near the bottom of the placement tube 15. In the process of flowing upward, the activated carbon particles in the placement tube 15 absorb and filter out harmful substances. Finally, the gas enters the exhaust fan 6 along the second short tube 14 and the connecting pipe and is discharged.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reaction kettle for producing methylcyclohexane, comprising a kettle body (1), characterized in that: A mounting frame (3) is fixed to the annular outer wall of the kettle body (1), and a reaction cylinder (4), a filter cylinder (5) and an exhaust fan (6) are sequentially arranged at one end of the top of the mounting frame (3); a cylinder cover (9) is inserted at the top of the reaction cylinder (4), and an adjacent first long tube (10) and a first short tube (11) are inserted and fixed at the top of the cylinder cover (9); a sealing cover (12) is inserted at the top of the filter cylinder (5), and an adjacent second long tube (13) and a second short tube (14) are inserted and fixed at the top of the sealing cover (12); a placement cylinder (15) is fixed at the bottom of the sealing cover (12), and a placement opening (16) is provided at the top of the annular outer wall of the placement cylinder (15); activated carbon particles are placed in the placement cylinder (15), and the height of the activated carbon particles filled is lower than the placement opening (16).

2. A reaction kettle for producing methylcyclohexane according to claim 1, characterized in that: The top cover of the kettle body (1) is plugged and fixed with an exhaust pipe (2), and the exhaust pipe (2) and the reaction cylinder (4), the reaction cylinder (4) and the filter cylinder (5), and the filter cylinder (5) and the exhaust fan (6) are all connected to each other through connecting pipes.

3. A reaction kettle for producing methylcyclohexane according to claim 1, characterized in that: Adjacent placement holes are provided on the top of the mounting frame (3), and the reaction cylinder (4) and the filter cylinder (5) are both inserted into the placement holes.

4. A reaction kettle for producing methylcyclohexane according to claim 3, characterized in that: The outer walls of the reaction cylinder (4) and the filter cylinder (5) are both sleeved and fixed with a limiting ring (7), and the diameter of the limiting ring (7) is greater than the diameter of the placement hole.

5. A reaction kettle for producing methylcyclohexane according to claim 1, characterized in that: A drainage pipe (8) is plugged and fixed at the bottom of the reaction cylinder (4), and a control valve is installed on the drainage pipe (8).

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