Reaction kettle pressure control device for chemical product reaction

Abstract

The utility model discloses a reaction kettle pressure control device for chemical product reaction, which is characterized in that the bottom of a reaction kettle main body is provided with a material output pipe, the side surface or the top surface of the reaction kettle main body is provided with a pressure relief pipe for exhausting and pressure relief, and the top of the reaction kettle main body is provided with a plurality of feeding pipes; the optimal reaction rate can be achieved only under certain pressure in part of reactions, and structures such as an inert gas steel cylinder, a pressure reducing valve, an output pipe, a booster pump and a booster pump output pipe are arranged under the condition that the reaction efficiency is low in the stage of waiting for gradual pressurization in the reaction kettle; the pressure in the reaction kettle can be rapidly increased by filling inert gas into the reaction kettle, so that the pressure in the reaction kettle can rapidly reach the fastest reaction condition, the working efficiency is improved, and the low-pressure waiting time is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical equipment, especially to a reaction kettle pressure control device for chemical product reaction. BACKGROUND

[0002] The control of reaction kettle pressure is a key link in chemical production, directly affecting reaction efficiency, safety and product quality. The following is a comprehensive scheme for reaction kettle pressure control, covering control methods, equipment configuration and optimization strategies:

[0003] Inlet and exhaust regulation

[0004] Inlet control: Accurately control the input amount of reaction gas (such as hydrogen, nitrogen) through mass flow meter (MFM) or pressure regulating valve, maintain the set pressure.

[0005] Exhaust control: Use back pressure valve or safety valve to release excess gas to prevent overpressure. For example, when the pressure exceeds the set threshold, the safety valve automatically opens to release pressure.

[0006] Coupled control of temperature and pressure

[0007] Adjust the heating / cooling system (such as jacket or coil) to control the reaction temperature, indirectly affecting the pressure. For example, reducing the temperature can reduce the gas expansion, thereby reducing the pressure.

[0008] Inert gas protection

[0009] During the reaction process, inert gas (such as nitrogen, argon) is introduced, which can maintain stable pressure and prevent oxidation or side reactions.

[0010] The current reaction kettle mostly only has pressure relief equipment to prevent excessive pressure during use, and some reactions need to be under certain pressure to reach the optimal reaction rate, and the reaction efficiency is low during the gradual pressurization process in the reaction kettle. SUMMARY

[0011] Therefore, in view of the above problems, the utility model provides a reaction kettle pressure control device for chemical product reaction, which solves the technical problem that the current reaction kettle mostly only has pressure relief equipment to prevent excessive pressure during use, and some reactions need to be under certain pressure to reach the optimal reaction rate, and the reaction efficiency is low during the gradual pressurization process in the reaction kettle.

[0012] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of reaction kettle pressure control device for chemical product reaction, its structure includes reaction kettle main body, material output pipe output pipe, pressure relief pipe, feed pipe, stirring motor, speed reducer, inert gas cylinder, pressure reducing valve, output pipe, booster pump, booster pump output pipe, check valve, the bottom of the reaction kettle main body is provided with material output pipe output pipe, the side or top of the reaction kettle main body is provided with pressure relief pipe for exhaust pressure release, the top of the reaction kettle main body is provided with multiple feed pipes, the middle part of the top of the reaction kettle main body is provided with stirring motor for stirring, the stirring motor is connected with speed reducer, the speed reducer is connected with stirring rod in the reaction kettle main body, the inert gas cylinder is provided with pressure reducing valve, the pressure reducing valve is connected with output pipe, the output pipe is connected with booster pump, the output end of the booster pump is connected with booster pump output pipe.

[0013] Further, the pressure relief pipe is provided with a pressure gauge, and an electric valve body for controlling pressure relief is arranged on the pressure relief pipe.

[0014] Further, a feed control valve body is arranged on the feed pipe.

[0015] Further, the inert gas cylinder can be arranged in a separate gas cylinder room and connected to the booster pump through a gas output copper pipe arranged on the top of the factory building, and the booster pump is arranged beside the reaction kettle main body.

[0016] Further, the booster pump output pipe is a copper pipe.

[0017] Further, a check valve is arranged on the booster pump output pipe, and the end of the check valve is connected to the top of the reaction kettle main body.

[0018] By adopting the foregoing technical scheme, the reaction kettle pressure control device for chemical product reaction has the following beneficial effects: the reaction kettle pressure control device for chemical product reaction solves the problem that the current reaction kettle only has a pressure relief device for preventing excessive pressure during use, and some reactions need to be carried out under a certain pressure to achieve the optimal reaction rate. In the case that the reaction efficiency is low during the gradual pressure increasing process in the reaction kettle, the inert gas cylinder, the pressure reducing valve, the output pipe, the booster pump, and the booster pump output pipe are arranged, so that the pressure in the reaction kettle can be quickly increased by filling inert gas into the reaction kettle after the material is added, thereby quickly reaching the pressure under the fastest reaction condition in the reaction kettle, improving the work efficiency, and reducing the low-pressure waiting time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic diagram of the utility model;

[0020] In the figure: 1, reaction kettle main body; 2, material output pipe; 3, pressure relief pipe; 4, feed pipe; 5, stirring motor; 6, speed reducer; 7, inert gas cylinder; 8, pressure reducing valve; 9, output pipe; 10, booster pump; 11, booster pump output pipe; 12, check valve. DETAILED DESCRIPTION

[0021] The utility model is further described in connection with the drawings and specific embodiments.

[0022] Reference Figure 1 The embodiment provides a reaction kettle pressure control device for chemical product reaction, which comprises a reaction kettle main body 1, a material output pipe 2, a pressure relief pipe 3, a feed pipe 4, a stirring motor 5, a speed reducer 6, an inert gas cylinder 7, a pressure reducing valve 8, an output pipe 9, a booster pump 10, a booster pump output pipe 11 and a check valve 12. The bottom of the reaction kettle main body 1 is provided with the material output pipe 2 and the output pipe 9. The side or top of the reaction kettle main body 1 is provided with the pressure relief pipe 3 for exhaust pressure relief. The top of the reaction kettle main body 1 is provided with a plurality of feed pipes 4. The middle of the top of the reaction kettle main body 1 is provided with the stirring motor 5 for stirring. The stirring motor 5 is connected with the speed reducer 6. The speed reducer 6 is connected with a stirring rod in the reaction kettle main body 1. The inert gas cylinder 7 is provided with the pressure reducing valve 8. The pressure reducing valve 8 is connected with the output pipe 9. The output pipe 9 is connected with the booster pump 10. The output end of the booster pump 10 is connected with the booster pump output pipe 11.

[0023] The pressure relief pipe 3 is provided with a pressure gauge. The pressure relief pipe 3 is provided with an electric valve body for controlling pressure relief.

[0024] The feed pipe 4 is provided with a feed control valve body.

[0025] The inert gas cylinder 7 can be arranged in a separate gas cylinder room and connected to the booster pump 10 through a gas output copper pipe arranged on the top of the factory building. The booster pump 10 is arranged beside the reaction kettle main body 1.

[0026] The booster pump output pipe 11 is a copper pipe.

[0027] The booster pump output pipe 11 is provided with the check valve 12. The end of the check valve 12 is connected with the top of the reaction kettle main body 1.

[0028] The utility model discloses a reaction kettle pressure control device of chemical product reaction, its solution current reaction kettle mostly only prevents the pressure relief equipment of excessive pressure in the process of using, improved current reaction kettle mostly only prevents the pressure relief equipment of excessive pressure in the process of using, and part reaction needs under certain pressure to reach optimal reaction rate, and in the gradual pressurization process stage of waiting reaction kettle, through setting inert gas steel bottle 7, pressure reducing valve 8, output pipe 9, booster pump 10, booster pump output pipe 11 and other structures, after material filling, can fill the inert gas into the way of reaction kettle and fast improve the pressure in reaction kettle, thereby make the pressure in reaction kettle reach the pressure of the fastest reaction condition fast, improve work efficiency, reduce low pressure waiting time.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A reaction vessel pressure control device for chemical product reactions, characterized by: The structure comprises a reaction kettle main body, a material output pipe, a pressure relief pipe, a feeding pipe, a stirring motor, a speed reducer, an inert gas cylinder, a pressure reducing valve, an output pipe, a booster pump, a booster pump output pipe and a one-way valve, the bottom of the reaction kettle main body is provided with the material output pipe, the side or top of the reaction kettle main body is provided with the pressure relief pipe for exhaust pressure relief, the top of the reaction kettle main body is provided with a plurality of feeding pipes, the middle of the top of the reaction kettle main body is provided with the stirring motor for stirring, the stirring motor is connected with the speed reducer, the speed reducer is connected with a stirring rod in the reaction kettle main body, the inert gas cylinder is provided with the pressure reducing valve, the pressure reducing valve is connected with the output pipe, the output pipe is connected with the booster pump, and the output end of the booster pump is connected with the booster pump output pipe.

2. The reaction kettle pressure control device for chemical product reaction according to claim 1, characterized in that: A pressure gauge is arranged on the pressure relief pipe, and an electric valve body for controlling pressure relief is arranged on the pressure relief pipe.

3. The reaction kettle pressure control device for chemical product reaction according to claim 1, characterized in that: A feeding control valve body is arranged on the feeding pipe.

4. The reaction kettle pressure control device for chemical product reaction according to claim 1, characterized in that: The inert gas cylinder can be arranged in a separate gas cylinder room and connected to the booster pump through a gas output copper pipe arranged on the top of the factory building, and the booster pump is arranged beside the reaction kettle main body.

5. The reaction pressure control device for a chemical product reaction according to claim 1, characterized by: The booster pump output pipe is a copper pipe.

6. The reaction pressure control device for a chemical product reaction according to claim 1, characterized by: A one-way valve is arranged on the booster pump output pipe, and the tail end of the one-way valve is connected with the top of the reaction kettle main body.

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