Pressure reaction synthesis device
By introducing safety protection structures such as vacuum tanks, pressure relief pipes, and emergency cooling units into the pressure reaction synthesis device, high-pressure separation of alcohol and water was achieved, solving the problem of small boiling point difference under low pressure and improving safety and production efficiency.
Patent Information
- Application Number
- CN202423213128.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing pressure reaction synthesis devices, when separating the boiling points of diols or polyols from water, have a small boiling point difference at low pressures, making it difficult to control the temperature at the top of the column, resulting in high energy consumption and safety hazards.
A pressure reaction synthesis device including a reaction vessel body and a safety protection structure was designed. It is equipped with a vacuum tank, a pressure relief pipe, an emergency cooling unit, and a fractionation column. The pressure is reduced by the vacuum tank and pressure relief pipe, the temperature is reduced by the emergency cooling unit, and the high-pressure separation of alcohol and water is achieved by the fractionation column.
The increased reaction pressure avoided safety hazards, shortened the production cycle, reduced raw material loss, and improved production efficiency and safety.
Smart Images
Figure CN223945601U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pressure reaction synthesis device field, specifically, the utility model relates to a pressure reaction synthesis device. BACKGROUND
[0002] Pressure reaction synthesis device is a kind of equipment for chemical reaction, can carry out reaction under high pressure environment, to improve reaction rate, product selectivity or improve the yield of product is usually used in synthesis gas, polymerization reaction, catalytic reaction etc. Process, in esterification reaction, the boiling point of dihydric alcohol or polyhydric alcohol is separated from water by pressure reaction synthesis device, but due to the potential danger of high pressure reaction, therefore, in the prior art, the pressure value is lower when the pressure reaction synthesis device separates the boiling point of dihydric alcohol or polyhydric alcohol from water, the boiling point difference of reaction alcohol and water is smaller under low pressure value, the temperature of column top of separation tower is not easy to control, and the heating cycle is long, and the energy consumption is large.
[0003] To solve the above problems, patent document 103588622B discloses a continuous hydrolysis reaction synthesis 2-methyl allyl alcohol method, by adopting the following steps: a, in the dosing container, water, alkali, phase transfer catalyst and 2-methyl allyl chloride are mixed uniformly to obtain raw material mixture;B, the above raw material mixture is continuously input into the tower kettle and evaporated to generate 2-methyl allyl chloride vapor and tower bottom liquid;The 2-methyl allyl chloride vapor rises into the packing bed;C, the reactor circulating material and product post-processing material are taken out from the tower kettle;The reactor circulating material is input into the tower top, then downward in the reactor, after hydrolysis reaction with 2-methyl allyl chloride vapor in the packing bed, it enters the tower bottom liquid;D, the unreacted 2-methyl allyl chloride rises to the tower top and is taken out from the reactor in the form of 2-methyl allyl chloride tail gas;Wherein the pressure of reactor is 10-100KPa in terms of gauge pressure;The temperature of reactor is 90-100 DEG C, but the above problems cannot be solved. UTILITY MODEL CONTENTS
[0004] The utility model is to solve the above problems, the purpose is to provide a kind of pressure reaction synthesis device that can realize the improvement of reaction pressure, can avoid security risk, it is beneficial to reduce raw material loss, it is beneficial to shorten production cycle, it is beneficial to improve production efficiency, high safety, to realize the above purpose, the technical scheme that the utility model adopts is as follows:
[0005] The utility model provides a kind of pressure reaction synthesis device, with such characteristics, including reaction kettle body and the safety protection structure being connected with reaction kettle body.
[0006] The pressure reaction synthesis device has the characteristics that the safety protection structure comprises a vacuum tank and a pressure relief pipe, one end of the pressure relief pipe is connected with the reaction kettle body, and the other end of the pressure relief pipe is connected with the vacuum tank.
[0007] The pressure reaction synthesis device has the characteristics that a safety valve is arranged on the pressure relief pipe.
[0008] The pressure reaction synthesis device has the characteristics that the safety protection structure further comprises an emergency cooling unit, the emergency cooling unit comprises a cooling pipe, a cooling tank and a conveying pump, the cooling pipe is arranged in the reaction kettle body, two ends of the cooling pipe are connected with the cooling tank, liquid nitrogen is stored in the cooling tank, and the conveying pump is arranged on the cooling pipe.
[0009] The pressure reaction synthesis device has the characteristics that the reaction kettle body is connected with a fractionating tower column, and the fractionating tower column is connected with a total condenser.
[0010] The pressure reaction synthesis device has the characteristics that the total condenser is connected with a waste water collecting tank.
[0011] The pressure reaction synthesis device has the characteristics that the reaction kettle body is provided with a pressure gauge and a thermometer.
[0012] The pressure reaction synthesis device has the characteristics that the reaction kettle body is provided with a pressure gauge and a thermometer.
[0013] The pressure reaction synthesis device has the characteristics that the reaction kettle body is provided with a pressure gauge and a thermometer.
[0014] Therefore, the pressure reaction synthesis device can improve the reaction pressure, avoid safety hazards, reduce raw material loss, shorten the production cycle, improve production efficiency and has high safety. BRIEF DESCRIPTION OF DRAWINGS
[0015] The present specification comprises the following drawings, and the shown contents are as follows:
[0016] Figure 1It is the structure schematic view of the pressure reaction synthesis device in the embodiment of the utility model.
[0017] In the figure, mark as: reaction kettle body 10, pressure gauge 11, thermometer 12, stirring rod 13, driving motor 14, safety protection structure 20, vacuum tank 21, pressure relief pipe 22, safety valve 23, emergency cooling unit 24, cooling pipe 241, cooling tank 242, delivery pump 243, fractionating column 30, total condenser 40, waste water collection tank 50. DETAILED DESCRIPTION
[0018] The specific embodiments of the present application are further described in detail below with reference to the drawings, and the purpose is to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to help its implementation.
[0019] Figure 1 It is the structure schematic view of the pressure reaction synthesis device in the embodiment of the utility model.
[0020] As Figure 1 shown, the pressure reaction synthesis device provided by the utility model includes a reaction kettle body 10 and a safety protection structure 20 connected with the reaction kettle body 10, the safety protection structure 20 can improve the safety of the reaction kettle body 10 and the pressure reaction synthesis device, can improve the pressure that the reaction kettle body 10 can bear, is favorable to avoid the danger that occurs due to high pressure environment, makes the reaction alcohol and water separate under high pressure value, makes the boiling point difference of the reaction alcohol and water become larger, is favorable to improve production efficiency, shortens production cycle, is favorable to reduce raw material loss, the pressure reaction synthesis device provided by the utility model can realize improving reaction pressure, can avoid security risks, is favorable to reduce raw material loss, is favorable to shorten production cycle, is favorable to improve production efficiency, and has high safety.
[0021] The safety protection structure 20 includes a vacuum tank 21 and a pressure relief pipe 22, one end of the pressure relief pipe 22 is connected with the reaction kettle body 10, the other end of the pressure relief pipe 22 is connected with the vacuum tank 21, the pressure relief pipe 22 is equipped with a safety valve 23, the safety valve 23 can be automatically opened when the pressure in the reaction kettle body 10 exceeds the set value of the safety valve 23, thereby communicating the vacuum tank 21 with the reaction kettle body 10, reducing the pressure in the reaction kettle body 10, thereby avoiding the safety problem caused by the excessive pressure in the reaction kettle body 10 during the reaction process, thereby improving the safety of the pressure reaction synthesis device provided by the utility model.
[0022] The safety protection structure 20 further comprises an emergency cooling unit 24, the emergency cooling unit 24 comprises a cooling pipe 241, a cooling tank 242 and a conveying pump 243, the cooling pipe 241 is arranged in the reaction kettle body 10, the cooling pipe 241 is uniformly arranged on the inner wall of the reaction kettle body 10, both ends of the cooling pipe 241 pass through the reaction kettle body 10 and are connected with the cooling tank 242, the cooling tank 242 stores liquid nitrogen, and the conveying pump 243 is arranged on the cooling pipe 241; the conveying pump 243 can pump the liquid nitrogen into the cooling pipe 241, so that the liquid nitrogen cools and reduces the temperature in the reaction kettle body 10 through heat exchange, and the risk of overhigh temperature in the reaction kettle body 10 is avoided.
[0023] The reaction kettle body 10 is connected with a fractionating column 30, the fractionating column 30 is connected with a total condenser 40, the total condenser 40 is connected with a waste water collecting tank 50, the fractionating column 30 separates the reaction alcohol and water by using the difference in volatility of the reaction alcohol and water, and the separation of the reaction alcohol and water is realized by steam generation; the steam is cooled and condensed into water in the total condenser 40, and the water flows into the waste water collecting tank 50, so that the separation of the reaction alcohol and water is realized; by the safety protection structure 20, the separation of the reaction alcohol and water can be realized under high pressure and suitable temperature, which is beneficial to improve the production efficiency, shorten the production cycle and reduce the loss of raw materials.
[0024] The reaction kettle body 10 is provided with a pressure gauge 11 and a thermometer 12, the pressure gauge 11 can detect the pressure value in the reaction kettle body 10, and the thermometer 12 can detect the temperature value in the reaction kettle body 10, so that the real-time pressure value and the real-time temperature value in the reaction kettle body 10 can be conveniently mastered.
[0025] The reaction kettle body 10 is provided with a stirring rod 13, the stirring rod 13 is connected with a driving motor 14, the driving motor 14 can drive the stirring rod 13, and the stirring rod 13 is used for stirring the reaction alcohol and water, so as to improve the volatilization rate of water and improve the separation of the reaction alcohol and water.
[0026] Effects of the embodiment
[0027] The pressure reaction synthesis device comprises a reaction kettle body 10 and a safety protection structure 20 connected with the reaction kettle body 10, the safety protection structure 20 can improve the safety of the reaction kettle body 10 and the pressure reaction synthesis device, can improve the pressure that the reaction kettle body 10 can bear, is beneficial to avoid danger caused by high pressure environment, makes the reaction alcohol and water separate under high pressure, makes the boiling point difference of the reaction alcohol and water larger, is beneficial to improve the production efficiency, shorten the production cycle and reduce the loss of raw materials, the pressure reaction synthesis device can improve the reaction pressure, can avoid safety hazards, is beneficial to reduce the loss of raw materials, shorten the production cycle, improve the production efficiency and has high safety.
[0028] The utility model has been described exemplarily above in combination with the drawings. Apparently, the utility model is not limited by the above-mentioned mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model; or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.
Claims
1. A pressure reaction synthesis apparatus, characterized by comprising: Including the reaction kettle body (10) and the safety protection structure (20) connected with the reaction kettle body (10), the safety protection structure (20) includes vacuum tank (21) and pressure relief pipe (22), one end of the pressure relief pipe (22) is connected with the reaction kettle body (10), the other end of the pressure relief pipe (22) is connected with the vacuum tank (21), the safety valve (23) is arranged on the pressure relief pipe (22), the safety protection structure (20) further includes emergency cooling unit, the emergency cooling unit includes cooling pipe, cooling tank and delivery pump, the cooling pipe is arranged in the reaction kettle body (10), both ends of the cooling pipe are connected with the cooling tank, the cooling tank stores liquid nitrogen, the delivery pump is arranged on the cooling pipe.
2. The pressure responsive synthesis apparatus of claim 1, wherein The reaction kettle body (10) is connected with a fractionating column (30), and the fractionating column (30) is connected with a total condenser (40).
3. The pressure responsive synthesis apparatus of claim 2, wherein, The total condenser (40) is connected with a wastewater collection tank (50).
4. The pressure responsive synthesis apparatus of claim 3, wherein The reaction kettle body (10) is provided with a pressure gauge (11) and a thermometer (12).
5. The pressure responsive synthesis apparatus of claim 4, wherein, The reaction kettle body (10) is provided with a stirring rod (13), and the stirring rod (13) is connected with a driving motor (14).