Dicyclopentadiene light component removal tower
By adopting a hollow structure and a heating coil combined with a stirring assembly in the light-weight removal tower, the problem of raw material accumulation was solved, achieving a highly efficient and rapid reaction and improving reaction efficiency and effectiveness.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN ZHONGTAI PETROCHEMICAL CO LTD
- Filing Date
- 2025-04-22
- Publication Date
- 2026-05-22
AI Technical Summary
In existing light component removal towers, the raw materials accumulate inside the tower after preheating, resulting in low reaction efficiency, inability to quickly and fully utilize heat, and poor reaction effect.
The hollow structure reaction tower is equipped with heating coils and stirring components. The heating coils work in conjunction with the stirring components to achieve rapid reaction. The stirring components include a drive unit, stirring rods and stirring blades. The scraper contacts the inner wall to prevent material residue.
It improves the reaction efficiency and effectiveness of materials, avoids material accumulation, enhances the heat preservation effect, and improves the dehydrogenation effect and efficiency of raw materials.
Smart Images

Figure CN224265760U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of light-light removal tower technology, specifically to a dicyclopentadiene light-light removal tower. Background Technology
[0002] Dicyclopentadiene, abbreviated as DCPD, also known as dicyclopentadiene, is a dimer formed by the Diels-Alder reaction of cyclopentadiene. It has two isomers: endogenous and exogenous. It is a colorless crystal, insoluble in water but soluble in ethanol and ether. It is mainly used in the production of ethylene-propylene rubber's third monomer, ethylene-neobornene, polycyclopentadiene, pesticides, polyesters, resins, flame retardants for plastics, pharmaceuticals, and fragrances. It is a colorless crystal with a camphor-like odor. This product has two isomers, α and β, which are bridging and hanging isomers. The bridging isomer has a freezing point of 33℃, while the hanging isomer has a freezing point of 19.5℃. Dicyclopentadiene mainly contains the bridging isomer, with a boiling point of 170℃. Because it contains double bonds, it readily undergoes addition and self-polymerization reactions.
[0003] Currently, the raw materials need to be preheated before entering the light-light ... Utility Model Content
[0004] In view of this, the present invention provides a dicyclopentadiene light removal tower, which can achieve efficient and rapid reaction of materials in the reaction tower by means of heating coil and stirring assembly, greatly improving the reaction efficiency and reaction effect of materials.
[0005] To address the aforementioned technical problems, this invention provides a dicyclopentadiene dehydrogenation tower, comprising a reaction tower with a cylindrical structure and hollow side walls. Multiple heating coils are installed inside the hollow structure. A mounting frame is installed on one side wall of the hollow structure, and the heating coils are welded to the mounting frame. Each heating coil has an inlet pipe and an outlet pipe penetrating the outer wall of the reaction tower. The inlet pipe is connected to the outlet of the heater via a pipe. The hollow structure is filled with heat-conducting oil. A stirring assembly is rotatably installed inside the reaction tower. The stirring assembly includes a drive component and a stirring rod mounted on the output shaft of the drive component. Stirring blades are installed on the outer side of the stirring rod inside the reaction tower. This invention achieves better heat preservation by designing the reaction tower as a hollow structure, and the heating coils combined with the stirring assembly enable efficient stirring of the materials inside the reaction tower, facilitating rapid reaction and significantly increasing the dehydrogenation effect and efficiency of the raw materials.
[0006] The reaction tower is equipped with welded baffles inside, and an annular groove is provided between the baffles and the stirring shaft.
[0007] The heat inlet and heat outlet pipes of each heating coil are located on the upper and lower sides of the heating coil. The heat inlet at the lower part of the same heating coil and the heat outlet of the heater are connected by a flow divider plate. The flow divider plate is provided with a number of discharge ports that are no less than the number of heat inlets.
[0008] There are multiple sets of stirring blades, which are welded to the outside of the stirring rod at intervals.
[0009] A scraper is also installed on the outside of the stirring rod and inside the reaction tower, and the scraper abuts against the inner wall of the reaction tower.
[0010] The driving component is a motor, which is a servo motor. The output shaft of the motor is fixed to the stirring shaft by a coupling.
[0011] The upper part of the reaction tower is equipped with a feed port, and the lower part of the reaction tower is equipped with a discharge port. Both the feed port and the discharge port are equipped with switch valves.
[0012] The bottom of the reaction tower is also equipped with support legs, at least three of which are evenly distributed at the bottom of the reaction tower.
[0013] In summary, compared with the prior art, this application includes at least one of the following beneficial technical effects:
[0014] 1. This utility model can enhance the heat preservation effect of the reaction tower by setting the side wall of the reaction tower as a hollow structure, and can achieve efficient and comprehensive heating of the reaction tower through the heating coil installed inside, which greatly improves the reaction efficiency of the materials in the reaction tower.
[0015] 2. This utility model can achieve efficient stirring of materials in the reaction tower through the stirring component, avoiding the accumulation of materials in the reaction tower and affecting the reaction efficiency of the raw materials.
[0016] 3. This utility model can rotate the scraper along with the stirring shaft, thereby removing the raw materials adhering to the inner wall of the reaction tower and preventing them from remaining on the inner wall of the reaction tower, thus avoiding unnecessary waste of materials. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the dicyclopentadiene light-light-removal tower of this utility model;
[0018] Figure 2 This is a bottom view of the dicyclopentadiene light-light removal tower of this utility model;
[0019] Figure 3 This utility model Figure 2 Sectional view at point AA.
[0020] Explanation of reference numerals in the attached drawings: 100, reaction tower; 101, feed port; 102, discharge port; 200, heating coil; 201, heat inlet pipe; 202, heat exhaust pipe; 300, stirring assembly; 301, driving component; 302, stirring rod; 303, stirring blade; 400, baffle plate. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figures 1-3 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.
[0022] like Figures 1-3 As shown: This embodiment provides a dicyclopentadiene light removal tower, including a reaction tower 100. The reaction tower 100 has a cylindrical structure, and its sidewalls are hollow. Multiple heating coils 200 are installed inside the hollow structure. A fixing frame is installed on one sidewall of the hollow structure of the reaction tower 100, and the heating coils 200 are welded to the fixing frame. Each heating coil 200 is provided with a heat inlet pipe 201 and a heat outlet pipe 202 penetrating the outer sidewall of the reaction tower 100. The heat inlet pipe 201 is connected to the heat outlet of the heater via a pipe. The interior of the hollow structure is filled with… The heat transfer oil and the internal rotating stirring assembly 300 of the reaction tower 100 include a driving component 301 and a stirring rod 302 mounted on the output shaft of the driving component 301. A stirring blade 303 is mounted on the outside of the stirring rod 302 and inside the reaction tower 100. This invention can achieve better heat preservation by designing the reaction tower 100 as a hollow structure. Moreover, the heating coil 200, in conjunction with the stirring assembly 300, can achieve efficient stirring of the materials inside the reaction tower 100, facilitating rapid reaction and greatly increasing the dehydrogenation effect and efficiency of the raw materials.
[0023] According to one embodiment of the present invention, such as Figure 1 and Figure 3 As shown, a baffle 400 is welded inside the reaction tower 100, and an annular groove is provided between the baffle 400 and the stirring shaft. This utility model can divide the reaction tower 100 into two areas through the baffle 400, namely the material accumulation and storage area below the baffle 400 and the reaction area above the baffle 400. The annular groove facilitates the smooth passage of fully reacted materials in the reaction area, which greatly improves the reaction efficiency of the reaction tower 100.
[0024] According to another embodiment of the present invention, such as Figure 3As shown, the heat inlet pipe 201 and heat outlet pipe 202 of each heating coil 200 are located on the upper and lower sides of the heating coil 200. The heat inlet at the lower part of the same heating coil 200 and the heat outlet of the heater are connected by a flow divider plate. The heater is an electric heater in the prior art. The flow divider plate is provided with a number of outlets not less than the number of heat inlets. This utility model can achieve centralized and efficient heating of the interior of the reaction tower 100 by passing hot air or hot water into the heating coil 200. Moreover, the temperature of different positions inside the reaction tower 100 can be adjusted by using multiple sets of heating coils 200, making the operation more convenient.
[0025] According to another embodiment of the present invention, such as Figure 1 and Figure 2 As shown, there are multiple sets of stirring blades 303, which are welded and arranged at intervals on the outside of the stirring rod 302. This invention can achieve efficient stirring of materials in the reaction tower 100 by welding the stirring blades arranged at intervals on the outside of the stirring rod 302. While realizing the rolling of raw materials, it also greatly increases the overall reaction efficiency and effect of the materials.
[0026] A scraper is also provided on the outside of the stirring rod 302 and inside the reaction tower 100. The scraper abuts against the inner wall of the reaction tower 100. This utility model can achieve the scraping operation of the raw materials adhering to the inner wall of the reaction tower 100 by rotating the stirring rod 302 together with the scraper, so as to avoid them remaining on the inner wall of the reaction tower 100.
[0027] According to another embodiment of the present invention, such as Figure 1 As shown, the driving component 301 is a motor, which is a servo motor. The output shaft end of the motor is fixed to the stirring shaft through a coupling. This utility model can achieve efficient stirring of the material in the reaction tower 100 by rotating the output shaft of the motor together with the stirring shaft and the stirring blade 303 on its outer side, thereby avoiding the accumulation of material and greatly improving the reaction efficiency of the raw materials.
[0028] The upper part of the reaction tower 100 is provided with a feed port 101, and the lower part of the reaction tower 100 is provided with a discharge port 102. Both the feed port 101 and the discharge port 102 are provided with switch valves. This utility model can realize the rapid addition of raw materials through the feed port 101 and the discharge of materials through the discharge port 102.
[0029] The bottom of the reaction tower 100 is also provided with support legs. There are at least three support legs, which are evenly distributed at the bottom of the reaction tower 100. This utility model can achieve a firm and stable support operation for the reaction tower 100 through the support legs.
[0030] How to use this utility model:
[0031] First, it needs to be clarified that the light component removal tower involved in this utility model is mainly used for the efficient removal of light components during the production of dicyclopentadiene. When it is necessary to remove light components during the production of dicyclopentadiene, the operator starts the heater to raise the temperature to a suitable level, and then introduces the heat into the heating coil 200. Then, the raw material is added into the reaction tower 100 through the feed inlet. At the same time, the output shaft of the motor is started to rotate. The rotation of the motor output shaft can drive the coupling, the rotating shaft, and the stirring blades 303 on the outside of the rotating shaft to rotate together, thereby achieving efficient stirring of the material in the reaction tower 100. This is combined with the heat transfer from the heating coil 200 to the reaction tower. The heat input enables efficient dehydrogenation of raw materials. This invention can enhance the heat preservation effect of the reaction tower 100 by making the side wall of the reaction tower 100 hollow. Moreover, the heating coil 200 installed inside can achieve efficient and comprehensive heating of the reaction tower 100. With the rotation of the output shaft of the drive component 301, the rotation of the stirring shaft and the scraper are also rotated together, thereby removing the raw materials adhering to the inner wall of the reaction tower 100 and preventing them from remaining on the inner side wall of the reaction tower 100. This avoids unnecessary waste of materials and greatly improves the reaction efficiency of the materials in the reaction tower 100.
[0032] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.
Claims
1. A dicyclopentadiene light-light removal tower, comprising a reaction tower (100), characterized in that: The sidewall of the reaction tower (100) is a hollow structure, and multiple heating coils (200) are arranged inside the hollow structure. Each heating coil (200) is provided with a heat inlet pipe (201) and a heat outlet pipe (202) that penetrate the outer sidewall of the reaction tower (100). The hollow structure is filled with heat transfer oil. A stirring assembly (300) is rotatably arranged inside the reaction tower (100). The stirring assembly (300) includes a driving component (301) and a stirring rod (302) arranged on the output shaft of the driving component (301). A stirring blade (303) is arranged outside the stirring rod (302) and inside the reaction tower (100).
2. The dicyclopentadiene light-light-removal tower as described in claim 1, characterized in that: The reaction tower (100) is equipped with a baffle (400) inside, and an annular groove is provided between the baffle (400) and the stirring shaft.
3. The dicyclopentadiene light-light-removal tower as described in claim 2, characterized in that: The heat inlet pipe (201) and heat outlet pipe (202) of each heating coil (200) are located on the upper and lower sides of the heating coil (200).
4. The dicyclopentadiene light-light-removal tower as described in claim 3, characterized in that: There are multiple sets of stirring blades (303), which are arranged at intervals on the outside of the stirring rod (302).
5. The dicyclopentadiene light-light-removal tower as described in claim 4, characterized in that: A scraper is also provided outside the stirring rod (302) and inside the reaction tower (100), and the scraper abuts against the inner wall of the reaction tower (100).
6. The dicyclopentadiene light-light-removal tower as described in claim 5, characterized in that: The driving component (301) is a motor, and the end of the output shaft of the motor is fixed to the stirring shaft by a coupling.
7. The dicyclopentadiene light-light-removal tower as described in claim 6, characterized in that: The upper part of the reaction tower (100) is provided with a feed port (101), and the lower part of the reaction tower (100) is provided with a discharge port (102).