Double-layer reaction kettle
By designing a double-layer reactor structure, steam inside the reactor circulates into the jacketed heat exchange chamber and combines with the steam. The use of serpentine heat exchange tubes improves the heat utilization rate, solving the problem of insufficient heat utilization in existing technologies and achieving efficient heat utilization and preventing steam pollution.
Patent Information
- Application Number
- CN202520144223.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
In existing technologies, the heat utilization of the reactor is not sufficient, and the excess heat after the reaction inside the reactor is not effectively utilized.
A double-layer reactor is designed, in which steam inside the reactor enters the heat exchange chamber of the jacket through a circulation pipe and combines with the steam inlet, and is used for further heating. Condensate is discharged through the condensate outlet. A serpentine heat exchange tube is used to improve heat exchange efficiency, and a separate heat exchange tube is used to isolate the reactant steam from the steam inlet steam.
It improves heat utilization, reduces heat loss, avoids contamination and corrosion of steam by reactant vapors, and enhances heat exchange efficiency.
Smart Images

Figure CN223732768U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of chemical reaction kettle, in particular to a double -layered reaction kettle. BACKGROUND
[0002] The general understanding of the reaction kettle is the container with physical or chemical reaction, through the structure design and parameter configuration of the container, realize the heating, evaporation, cooling and low -speed mixing function of process requirement. The reaction kettle provided with the jacket can realize the heat exchange between the jacket and the kettle body by passing the steam into the jacket, the prior art is not enough to utilize the excessive heat after the reaction in the kettle body, and needs improvement. CONTENT OF THE UTILITY MODEL
[0003] In view of the above problem, the utility model provides a double -layered reaction kettle, convenient for the full use of the excessive heat after the reaction in the kettle body.
[0004] The technical scheme of the utility model is as follows:
[0005] A double -layered reaction kettle, including kettle body, agitator and jacket, the top of kettle body is equipped with feeding hopper, the bottom is in the shape of a bucket, the bottom middle of kettle body is equipped with discharge gate, the jacket is located in the outside of kettle body, and the heat exchange cavity is arranged between the jacket and the kettle body, the top of jacket is equipped with steam inlet, and the bottom is equipped with condensed water outlet, the top side of kettle body is equipped with circulation pipe that is connected with the inside of kettle body and heat exchange cavity, and the agitator is arranged in the middle part of kettle body.
[0006] In further technical scheme, the heat exchange pipe is arranged in the heat exchange cavity, one end of the heat exchange pipe is connected with the circulation pipe, and the other end is connected with the condensed water outlet.
[0007] In further technical scheme, the heat exchange pipe is the serpentine pipe arranged around the kettle body outer wall in the heat exchange cavity.
[0008] In further technical scheme, the number of condensed water outlets is two, and they are connected with the heat exchange cavity and the heat exchange pipe respectively.
[0009] In further technical scheme, the bottom of kettle body is equipped with support.
[0010] In further technical scheme, the agitator includes motor, speed reducer, stirring shaft and stirring blade, the motor is arranged in the top of kettle body, the speed reducer is connected with motor and stirring shaft, the stirring shaft bottom end extends to the inside of kettle body, and the stirring blade is arranged on the stirring shaft.
[0011] The utility model has the advantages of:
[0012] 1. The steam generated after the reactants in the reactor react at high temperature can enter the heat exchange chamber of the jacket through the circulation pipe and continue to be used in conjunction with the steam entering through the steam inlet, thereby reducing heat loss and improving utilization. The condensate generated after the heat exchange is completed is discharged from the condensate outlet.
[0013] 2. The steam in the circulation tube is separated from the steam in the heat exchange chamber by a separate heat exchange tube. This prevents the chemical components in the steam generated by the reactants in the reactor from affecting the steam entering the steam inlet, and also prevents some highly corrosive components from coming into direct contact with the jacket.
[0014] 3. The heat exchange tubes are serpentine, which have a large heat exchange area and high efficiency. Attached Figure Description
[0015] Fig. 1 This is a schematic diagram of the structure of a double-layer reactor according to an embodiment of the present invention;
[0016] Fig. 2 This is a cross-sectional schematic diagram of the vessel body described in an embodiment of this utility model.
[0017] Explanation of reference numerals in the attached figures:
[0018] 10. Kettle body; 11. Feed hopper; 12. Discharge port; 21. Motor; 22. Reducer; 23. Stirring shaft; 24. Stirring blades; 30. Jacket; 31. Steam inlet; 32. Condensate outlet; 40. Heat exchange chamber; 41. Circulation pipe; 42. Heat exchange tube; 50. Support. Detailed Implementation
[0019] The embodiments of this utility model will be further described below with reference to the accompanying drawings.
[0020] Example:
[0021] like Figs. 1-2As shown, a double-layer reactor includes a kettle body 10, a stirrer and a jacket 30, the top of the kettle body 10 is provided with a feed hopper 11, the top of the feed hopper 11 is provided with a sealable cover to avoid the steam generated by the reaction of the reactor from being output from the feed hopper 11, the bottom of the kettle body 10 is in the shape of a bucket, the middle of the bottom of the kettle body 10 is provided with a discharge port 12, a valve is arranged at the discharge port 12; the jacket 30 is arranged outside the kettle body 10, a heat exchange cavity 40 is arranged between the jacket 30 and the kettle body 10, the top of the jacket 30 is provided with a steam inlet 31, and the bottom is provided with a condensed water outlet 32; one side of the top of the kettle body 10 is provided with a circulating pipe 41 communicating the inside of the kettle body 10 and the heat exchange cavity 40; the stirrer is arranged in the middle of the kettle body 10, and the stirrer includes a motor 21, a speed reducer 22, a stirring shaft 23 and stirring blades 24, the motor 21 is arranged at the top of the kettle body 10, the speed reducer 22 is connected with the motor 21 and the stirring shaft 23, the bottom end of the stirring shaft 23 extends into the kettle body 10, and the stirring blades 24 are arranged on the stirring shaft 23, wherein the stirring blades 24 are multiple, and the length of the stirring blades 24 is adaptively selected according to the diameter of the inside of the kettle body 10; a support 50 is arranged around the bottom of the kettle body 10 for supporting the kettle body 10.
[0022] The working principle of the above technical solution is as follows:
[0023] The reactants are added from the feed hopper 11, steam is introduced into the jacket 30 from the steam inlet 31 to heat the kettle body 10, the motor 21 drives the stirring shaft 23 and the stirring blades 24 to stir the reactants in the kettle body 10, the steam generated after the high-temperature reaction of the reactants in the kettle body 10 can enter the heat exchange cavity 40 of the jacket 30 through the circulating pipe 41 to continue to be used in cooperation with the steam entering through the steam inlet 31, thereby reducing the loss of heat and improving the utilization rate, and the condensed water generated after the heat exchange is discharged from the condensed water outlet 32.
[0024] In another embodiment, as shown in Fig. 2 The heat exchange cavity 40 is provided with a heat exchange pipe 42, one end of the heat exchange pipe 42 is communicated with the circulating pipe 41, and the other end is communicated with the condensed water outlet 32; the heat exchange pipe 42 is a serpentine pipe arranged around the outer wall of the kettle body 10 in the heat exchange cavity 40; the number of the condensed water outlets 32 is two, and each is communicated with the heat exchange cavity 40 and the heat exchange pipe 42 to discharge the condensed water in the heat exchange cavity 40 and the heat exchange pipe 42, respectively.
[0025] The steam introduced into the circulating pipe 41 by the separate heat exchange pipe 42 is separated from the steam in the heat exchange cavity 40, so as to avoid the influence of the chemical components contained in the steam generated by the reactants in the kettle body 10 on the steam entering through the steam inlet 31, and also to avoid the direct contact of some corrosive components with the jacket 30; the heat exchange pipe 42 adopts a serpentine pipe, which has a large heat exchange area and high efficiency.
[0026] The above-described embodiments only express the specific implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application.
Claims
1. A double-layered reactor characterized by, The utility model relates to a kind of chemical reaction kettle, including cauldron body, stirrer and jacket, the top of the cauldron body is equipped with feed hopper, bottom is in the shape of bucket, the bottom of the cauldron body is equipped with discharge port in middle, the jacket is equipped in the outside of cauldron body, heat exchange cavity is equipped between the jacket and cauldron body, the top of the jacket is equipped with steam inlet, bottom is equipped with condensed water outlet, the top of the cauldron body one side is equipped with circulating pipe that is connected with the inside of cauldron body and heat exchange cavity, the stirrer is equipped in the middle of cauldron body.
2. The double-layered reaction kettle according to claim 1, characterized in that, Heat exchange pipe is equipped in the heat exchange cavity, one end of the heat exchange pipe is connected with circulating pipe, the other end is connected with condensed water outlet.
3. The double-layered reaction kettle according to claim 2, characterized in that, The heat exchange pipe is serpentine pipe arranged around the outer wall of cauldron body in heat exchange cavity.
4. The double-layered reaction kettle according to claim 3, characterized in that, The number of condensed water outlet is two, and it is connected with heat exchange cavity and heat exchange pipe respectively.
5. The double-layered reaction kettle according to claim 1, characterized in that, The bottom of the cauldron body is equipped with support.
6. The double-layered reaction kettle according to claim 1, characterized in that, The stirrer includes motor, speed reducer, stirring shaft and stirring blade, the motor is arranged on the top of the cauldron body, the speed reducer is connected with the motor and the stirring shaft, the bottom end of the stirring shaft extends into the cauldron body, and the stirring blade is arranged on the stirring shaft.