Efficient olefin polymerization device
By integrating a heating block, nitrogen cooling pipe, and liquid nitrogen storage tank into the olefin polymerization reactor, and combining them with a PLC controller, the problem of inaccurate temperature control was solved, and the olefin polymerization reaction was carried out efficiently.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-03-10
AI Technical Summary
Existing olefin polymerization reactors cannot precisely control the reaction temperature, which affects the olefin polymerization reaction rate and leads to inconvenience in olefin polymerization processing.
The polymerization reactor is equipped with a heating block, nitrogen cooling pipe, liquid nitrogen storage tank and solenoid valve, and combined with a PLC editing controller to achieve precise temperature control, and adjust the temperature inside the reactor through heating and cooling.
It enables precise control of the internal temperature of the olefin polymerization reactor, thereby improving the efficiency and effectiveness of the olefin polymerization reaction.
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Figure CN223980473U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of olefin polymerization reactor technology, and in particular to a high-efficiency olefin polymerization device. Background Technology
[0002] Olefins are an important class of organic compounds, with one or more carbon-carbon double bonds in their molecular structure. Olefins can be synthesized into polymers through polymerization reactions, which is an important organic synthesis method and is widely used in the field of polymer synthesis materials. Polymerization reactors are often required during olefin polymerization.
[0003] The polymerization temperature of olefins is a crucial factor; excessively high or low temperatures can affect the polymerization rate. Current polymerization reactors cannot precisely control the internal temperature, thus impacting the polymerization rate and hindering efficient olefin polymerization. To address this issue, we provide a high-efficiency olefin polymerization device. Utility Model Content
[0004] The purpose of this invention is to provide a high-efficiency olefin polymerization apparatus to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A high-efficiency olefin polymerization apparatus includes a polymerization reactor body. Heating blocks arranged in a ring are fixedly embedded on the outer surface of the reactor body. A nitrogen cooling pipe is fitted onto the outer surface of the reactor body. A protective shell is fixedly connected to the outer surface of the reactor body. The nitrogen cooling pipe is located inside the protective shell. A placement box is fixedly connected to the left side of the protective shell. A liquid nitrogen storage tank is installed on the inner bottom wall of the placement box. An electromagnetic valve is fixedly connected to the output end of the liquid nitrogen storage tank. The input end of the nitrogen cooling pipe passes through the protective shell and the placement box and is fixedly connected to the output end of the liquid nitrogen storage tank. The output end of the nitrogen cooling pipe passes through the protective shell and is fixedly connected to a connector. A temperature monitoring sensor and a pressure relief valve are fixedly embedded on the upper surface of the polymerization reactor body. A sealed door is installed on the upper surface of the polymerization reactor body. A first opening / closing handle is fixedly connected to the upper surface of the sealed door.
[0007] In a further embodiment, a PLC editing controller is fixedly connected to the front of the protective shell, the temperature monitoring sensor is electrically connected to the PLC editing controller via a wire, and the PLC editing controller is electrically connected to the heating block and the solenoid valve via a wire.
[0008] In a further embodiment, a temperature display screen is fixedly embedded on the front of the PLC editing controller.
[0009] In a further embodiment, lifting rings are fixedly connected to both the front and back of the polymerization reactor body, and the lifting rings are made of metal.
[0010] In a further embodiment, the bottom surface of the polymerization reactor is fixedly connected to a ring of supporting legs, and the bottom end of each supporting leg is fixedly connected to a base plate.
[0011] In a further embodiment, each of the base plates has two mounting holes on its upper surface and a damping pad is fixedly connected to the bottom surface of each of the base plates.
[0012] In a further embodiment, a protective door is hinged to the left side of the placement box via two hinges, an observation frame is fixedly embedded in the left side of the protective door, and a second opening and closing handle is fixedly connected to the left side of the protective door.
[0013] In a further embodiment, a discharge pipe is fixedly connected to the bottom surface of the polymerization reactor, and a discharge valve is fixedly connected to the outer surface of the discharge pipe.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] This device, through its polymerization reactor body, PLC controller, temperature monitoring sensor, temperature display screen, heating block, nitrogen cooling pipe, liquid nitrogen storage tank, and solenoid valve, can heat the polymerization reactor body using the heating block and monitor the temperature using the temperature monitoring sensor. Simultaneously, the nitrogen cooling pipe, liquid nitrogen storage tank, and solenoid valve work together to cool the nitrogen gas in the polymerization reactor body, achieving precise temperature control within the reactor body and facilitating efficient polymerization of olefins. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a high-efficiency olefin polymerization unit.
[0017] Figure 2 This is a side view of the polymerization reactor in a high-efficiency olefin polymerization unit.
[0018] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the polymerization reactor in a high-efficiency olefin polymerization unit.
[0019] Figure 4 This is a cross-sectional view of the top view of the polymerization reactor in a high-efficiency olefin polymerization unit.
[0020] In the diagram: 1. Polymerization reactor body; 2. Protective shell; 3. PLC editing controller; 4. Temperature display screen; 5. Lifting ring; 6. Pressure relief valve; 7. First opening / closing handle; 8. Sealed door; 9. Temperature monitoring sensor; 10. Placement box; 11. Nitrogen cooling pipe; 12. Connector; 13. Discharge pipe; 14. Discharge valve; 15. Support leg; 16. Base plate; 17. Protective door; 18. Second opening / closing handle; 19. Observation frame; 20. Solenoid valve; 21. Liquid nitrogen storage tank; 22. Heating block; 23. Mounting hole. Detailed Implementation
[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0022] In the description of this utility model, it should be noted that, 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 based on the specific circumstances.
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Please see Figure 1-4In this utility model, an efficient olefin polymerization device includes a polymerization reactor body 1. A ring of heating blocks 22 is fixedly embedded on the outer surface of the polymerization reactor body 1. A nitrogen cooling pipe 11 is fitted onto the outer surface of the polymerization reactor body 1. A protective shell 2 is fixedly connected to the outer surface of the polymerization reactor body 1. The nitrogen cooling pipe 11 is located inside the protective shell 2. A placement box 10 is fixedly connected to the left side of the protective shell 2. A liquid nitrogen storage tank 21 is installed on the inner bottom wall of the placement box 10. An electromagnetic valve 20 is fixedly connected to the output end of the liquid nitrogen storage tank 21. The input end of the nitrogen cooling pipe 11 passes through the protective shell 2 and the placement box 10 and is fixedly connected to the output end of the liquid nitrogen storage tank 21. The output end of the nitrogen cooling pipe 11 passes through the protective shell 2 and is fixedly connected to a connector 12. A temperature monitoring sensor 9 and a pressure relief valve 6 are fixedly embedded on the upper surface of the polymerization reactor body 1. A sealed door 8 is installed on the upper surface of the polymerization reactor body 1. A first opening / closing handle 7 is fixedly connected to the upper surface of the sealed door 8.
[0025] A PLC editing controller 3 is fixedly connected to the front of the protective shell 2. The temperature monitoring sensor 9 is electrically connected to the PLC editing controller 3 via wires. The PLC editing controller 3 is electrically connected to the heating block 22 and the solenoid valve 20 via wires. A temperature display screen 4 is fixedly embedded in the front of the PLC editing controller 3, which can edit the operation of this polymerization reactor device to facilitate the polymerization reaction of olefins. Lifting rings 5 are fixedly connected to both the front and back of the polymerization reactor body 1. The lifting rings 5 are made of metal and can easily lift the polymerization reactor body 1, which is convenient for the installation of this device. A ring of support legs 15 is fixedly connected to the bottom surface of the polymerization reactor body 1. A base plate 16 is fixedly connected to the bottom end of each support leg 15. Two mounting holes 23 are opened on the upper surface of each base plate 16. A damping pad is fixedly connected to the bottom surface of each base plate 16, which can install and fix the polymerization reactor body 1 to facilitate the stable use of this device.
[0026] The left side of the placement box 10 is hinged with a protective door 17 via two hinges. An observation frame 19 is fixedly embedded on the left side of the protective door 17. A second opening and closing handle 18 is fixedly connected to the left side of the protective door 17, which can easily open the protective door 17 to facilitate the maintenance of the liquid nitrogen storage tank 21. The bottom surface of the polymerization reactor body 1 is fixedly connected to a discharge pipe 13, and the outer surface of the discharge pipe 13 is fixedly connected to a discharge valve 14 to facilitate the discharge of polymerization reactants.
[0027] The working principle of this utility model is as follows:
[0028] In use, the polymerization reactor body 1 is first installed and fixed through the base plate 16, mounting holes 23 and support legs 15, and connected to the nitrogen recovery device through the connector 12. Then, the reactor is powered on, the sealed door 8 is opened and the olefin raw materials are put into the interior of the polymerization reactor body 1. Next, the PLC editing controller 3 is clicked to edit and control the heating block 22 to heat the interior of the polymerization reactor body 1, so as to realize the polymerization reaction of the olefin raw materials inside the polymerization reactor body 1. At the same time, the temperature monitoring sensor 9 is used to monitor the internal temperature of the polymerization reactor body 1 and the temperature is displayed on the temperature display screen 4. When the temperature exceeds the set value, the PLC editing controller 3 opens the solenoid valve 20 to vaporize the liquid nitrogen inside the liquid nitrogen storage tank 21 and enter the nitrogen cooling pipe 11 to assist in cooling the polymerization reactor body 1, maintain the appropriate temperature inside the polymerization reactor body 1, and realize the efficient polymerization reaction of olefins.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A high efficiency olefin polymerization apparatus characterized by: The utility model relates to a polymerization reactor, which comprises a polymerization reactor body (1) having a plurality of heating blocks (22) arranged in a ring on the outer surface of the polymerization reactor body (1), a nitrogen cooling pipe (11) sleeved on the outer surface of the polymerization reactor body (1), a protective shell (2) fixedly connected to the polymerization reactor body (1), the nitrogen cooling pipe (11) being located in the protective shell (2), a placing box (10) fixedly connected to the left side of the protective shell (2), a liquid nitrogen storage tank (21) installed on the inner bottom wall of the placing box (10), an electromagnetic valve (20) fixedly communicated with the output end of the liquid nitrogen storage tank (21), the input end of the nitrogen cooling pipe (11) penetrating through the protective shell (2) and the placing box (10) and being fixedly communicated with the output end of the liquid nitrogen storage tank (21), the output end of the nitrogen cooling pipe (11) penetrating through the protective shell (2) and being fixedly communicated with a connecting head (12), a temperature monitoring sensor (9) and a pressure relief valve (6) fixedly embedded on the upper surface of the polymerization reactor body (1), a sealed hatch (8) installed on the upper surface of the polymerization reactor body (1), and a first opening and closing handle (7) fixedly connected to the upper surface of the sealed hatch (8).
2. The apparatus of claim 1, wherein: The front surface of the protective shell (2) is fixedly connected with a PLC editing controller (3), the temperature monitoring sensor (9) is electrically connected with the PLC editing controller (3) through wires, and the PLC editing controller (3) is electrically connected with the heating blocks (22) and the electromagnetic valve (20) through wires.
3. The apparatus of claim 2, wherein: The front surface of the PLC editing controller (3) is fixedly embedded with a temperature display screen (4).
4. The apparatus of claim 1 wherein: The front surface of the polymerization reactor body (1) and the back surface of the polymerization reactor body (1) are both fixedly connected with a lifting ring (5), and the lifting ring (5) is made of metal.
5. The high-efficiency olefin polymerization apparatus according to claim 1, characterized in that: The bottom surface of the polymerization reactor body (1) is fixedly connected with a plurality of support legs (15) arranged in a ring, and the bottom end of each support leg (15) is fixedly connected with a base plate (16).
6. A high efficiency olefin polymerization apparatus as defined in claim 5, wherein: The upper surface of each base plate (16) is provided with two mounting holes (23), and the bottom surface of each base plate (16) is fixedly connected with a damping pad.
7. The apparatus of claim 1 wherein: The left side of the placing box (10) is hingedly connected with a protective door (17) through two hinges, the left side of the protective door (17) is fixedly embedded with a viewing frame (19), and the left side of the protective door (17) is fixedly connected with a second opening and closing handle (18).
8. The apparatus of claim 1 wherein: The bottom surface of the polymerization reactor body (1) is fixedly communicated with a discharge pipe (13), and the outer surface of the discharge pipe (13) is fixedly communicated with a discharge valve (14).