A heat exchange device for the synthesis of organic pigments

Abstract

This invention discloses a heat exchange device for the synthesis of organic pigments. The heat exchange container is equipped with a heat exchange assembly, which includes a bottom heat exchange tube and a top heat exchange tube. The bottom heat exchange tube comprises multiple arc-shaped tubes and a rotating connector connecting adjacent arc-shaped tubes. This invention relates to the field of organic pigment preparation technology, employing a double-layer structure of bottom and top heat exchange tubes, connected by connecting pipes to form a three-dimensional structure within the heat exchange container. When the reactants are stirred and moved, the top heat exchange tube can continuously retract and expand via a movable coil, allowing it to exchange heat with the inner and outer sides of the top of the reactants respectively, contacting the reactants for heat exchange under dynamic movement. Compared to traditional fixed heat exchange methods, this better adapts to the flow of reactants, actively adjusts to the temperature requirements of reactants at different locations, and further improves the overall heat exchange effect.

Description

Technical Field

[0001] This invention relates to the field of organic pigment preparation technology, specifically to a heat exchange device for organic pigment synthesis. Background Technology

[0002] Currently, heat exchange devices used in the synthesis of organic pigments are mostly based on tubular heat exchanger designs. The core of these designs is to achieve heat transfer between the heat exchange medium and the reactants through a coil structure. In traditional technologies, single coils or multi-layer fixed coils are the mainstream solutions: single coil structures have low heat exchange efficiency due to limited contact area with the reactants, making it difficult to meet the requirements of high-precision temperature control; while multi-layer coil structures improve heat exchange capacity by increasing the contact area, they are still essentially static fixed designs, and their piping layout and medium flow path cannot adapt to the complex dynamic environment inside the reactor.

[0003] In the synthesis of organic pigments, the reactants are stirred to form a non-uniform flow field, with significant differences in flow velocity and turbulence in different regions. The fixed path of the static coil leads to several problems: the relative position of the coil and the reactants is fixed, making it difficult for some slow-flowing areas to make sufficient contact, resulting in local temperature deviations; the fixed flow path of the heat exchange medium (such as heat transfer oil or cooling water) makes it impossible to dynamically adjust the flow velocity or turbulence state according to the local temperature requirements of the reactants, resulting in energy waste or insufficient heat exchange; for reactions like organic pigment synthesis that are sensitive to temperature fluctuations, the above defects may lead to quality problems such as color deviation and uneven particle size distribution in the product, making it difficult to meet the production requirements of high-end pigments. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a heat exchange device for the synthesis of organic pigments, which solves the problem of poor heat exchange in existing heat exchange devices.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a heat exchange device for the synthesis of organic pigments, comprising a heat exchange container and a stirring paddle disposed on the heat exchange container, wherein a heat exchange assembly is disposed inside the heat exchange container, the heat exchange assembly comprising a bottom heat exchange tube and a top heat exchange tube, the bottom heat exchange tube being fixed to the bottom of the inner cavity of the heat exchange container, the bottom heat exchange tube comprising a plurality of arc-shaped tubes and a rotating connector connecting two adjacent arc-shaped tubes, the rotating connector being connected to the top heat exchange tube via a connecting pipe;

[0006] The heat exchange assembly also includes a movable coil, and the top heat exchange tube is fixed to the movable coil by a third fixing member;

[0007] The bottom heat exchanger tube, top heat exchanger tube, movable coil, and connecting pipes form a closed heat exchange medium channel. The medium flows in from the arc-shaped tube of the bottom heat exchanger tube, is distributed to the connecting pipe through the rotating connector, and then enters the top heat exchanger tube and movable coil, eventually flowing back to form a cycle. The flow path of the medium is dynamically adjusted by the expansion and contraction of the movable coil.

[0008] Preferably, the movable coil includes a plurality of second adjusting members and a first adjusting member connected between two adjacent second adjusting members; the second adjusting members have cavities formed inside, and the first adjusting member is inserted into the cavity;

[0009] The relative movement of the first and second adjusting components can change the flow rate and turbulence of the medium inside the movable coil. When the movable coil expands, the flow cross-section of the medium increases, the flow rate decreases, and the heat exchange time with the outer material is prolonged. When the movable coil retracts, the flow cross-section decreases, the flow rate increases, and the heat exchange efficiency of the inner material is enhanced.

[0010] Preferably, a cap is fixed to the end of the cavity, the end of the first adjusting member is inserted into the cavity through the cap, a limiting plate is provided at the end of the first adjusting member inserted into the cavity, and a sealing ring is provided at the connection between the cap and the first adjusting member.

[0011] Preferably, the rotary connector includes a tee, the connecting pipe is connected to the tee, and connecting pipes are provided at opposite ends of the tee. A second sealing component is provided at the connection between the connecting pipe and the tee. The arc-shaped pipe is connected to the connecting pipe, and a first sealing component is provided at the connection. The relative rotation of the tee and the connecting pipe of the rotary connector can adapt to the directional flow of the medium between the arc-shaped pipe and the connecting pipe, thereby reducing flow resistance.

[0012] Preferably, the first sealing assembly includes:

[0013] The first fastener is fixed to the outside of the connecting pipe;

[0014] The second fastener is fixed to the outside of the arc-shaped tube; the first fastener and the second fastener are mated together and fixed to each other by a snap fastener after mating.

[0015] The first sealing ring and the second sealing ring are respectively disposed in the first fixing member and the second fixing member, and the mating surfaces of the first fixing member and the second fixing member form a sealing surface.

[0016] Preferably, the first sealing ring is fixed to the first fixing member by a clamp.

[0017] Preferably, the sealing surfaces where the first and second fixing members meet are beveled.

[0018] Preferably, the second sealing assembly includes a rotating component disposed between the tee and the connecting pipe and a sealing ring, wherein an elastic clip is disposed between the sealing ring and the rotating component.

[0019] Preferably, the heat exchange container includes an upper heat exchange container and a lower heat exchange container that are fixedly connected to each other. A groove for accommodating a bottom heat exchange tube is provided at the connection between the upper heat exchange container and the lower heat exchange container. The bottom heat exchange tube is fixed in the groove by a fourth fixing member.

[0020] Preferably, the groove includes arc-shaped notches formed on the inner side of the connection between the upper heat exchange container and the lower heat exchange container, and the two arc-shaped notches form a semi-circular groove.

[0021] The beneficial effects of this invention are as follows: By using the heat exchange device for organic pigment synthesis provided by this invention, compared with the prior art, a double-layer structure of bottom heat exchange tube and top heat exchange tube is adopted, and the two are connected into a three-dimensional structure and set in the heat exchange container through connecting pipelines. When the reactants are stirred and moved, the top heat exchange tube can continuously retract and expand through the movable coil, so that the top heat exchange tube can exchange heat on the inner and outer sides of the top of the reactants respectively, and contact the reactants for heat exchange under dynamic movement. Compared with the traditional fixed heat exchange method, it can better adapt to the flow of reactants and actively adapt to the temperature requirements of reactants at different positions, thereby greatly improving the contact effect with reactants, making the temperature distribution in the heat exchange container more uniform, and further improving the overall heat exchange effect.

[0022] In addition, by embedding the bottom heat exchange tube into the grooves set at the upper and lower connection of the heat exchange container and fixing it with the fourth fixing component, the protrusion distance of the bottom heat exchange tube is reduced, which effectively reduces the obstruction to the reaction material when it is stirred and turned, ensuring a good fusion effect between multiple substances, so that the reaction can be carried out in a more ideal material mixing state. Attached Figure Description

[0023] Figure 1 This is an isometric view of the heat exchanger container of the present invention;

[0024] Figure 2 This is a front view of the heat exchange container of the present invention;

[0025] Figure 3 This is a schematic diagram of the first state of the heat exchange component of the present invention;

[0026] Figure 4 This is a schematic diagram of the second state of the heat exchange component of the present invention;

[0027] Figure 5 This is a schematic diagram of the motion state of the heat exchange component of the present invention;

[0028] Figure 6 This is a schematic diagram of the connecting pipeline structure of the present invention;

[0029] Figure 7 This is a schematic diagram of the connection structure between the arc-shaped tube and the rotating connector of the present invention;

[0030] Figure 8 For the present invention Figure 7 Enlarged structural diagram at point A in the middle;

[0031] Figure 9 This is a schematic diagram of the groove structure of the present invention.

[0032] Figure reference numerals: 1. Stirring paddle; 2. Heat exchange container; 201. Upper heat exchange container; 202. Lower heat exchange container; 3. Bottom heat exchange tube; 31. Arc-shaped tube; 32. Rotary connector; 321. T-joint; 322. Connecting pipe; 323. First sealing assembly; 3231. First fixing component; 3232. Second fixing component; 3233. First sealing ring; 3234. Second sealing ring; 3235. Buckle; 32 36. Clamp; 3237. Inclined surface; 324. Second sealing assembly; 3241. Sealing ring; 3242. Elastic clip; 3243. Rotating component; 4. Movable coil; 41. First adjusting component; 42. Second adjusting component; 43. Cover; 44. Cavity; 45. Limiting disc; 46. Sealing ring; 5. Connecting pipeline; 6. Top heat exchanger tube; 7. Groove; 71. Arc-shaped notch; 8. Fourth fixing component; 9. Third fixing component. Detailed Implementation

[0033] To better explain and facilitate understanding of the present invention, a detailed description of the invention is provided below with reference to the accompanying drawings and specific embodiments. This application proposes a heat exchange device for the synthesis of organic pigments, including a heat exchange container and a heat exchange assembly disposed within the heat exchange container. The heat exchange assembly includes a bottom heat exchange tube, a top heat exchange tube, and a movable coil. The bottom heat exchange tube includes multiple arc-shaped tubes and a rotating connector connecting two adjacent arc-shaped tubes. The rotating connector is connected to the top heat exchange tube via a connecting pipe. The rotating connector includes a tee fitting, with the connecting pipe connected to the tee fitting. Connecting pipes are disposed opposite each other at the other two ends of the tee fitting, and a second sealing assembly is provided at the connection between the connecting pipe and the tee fitting. The arc-shaped tubes are connected to the connecting pipes, and a first sealing assembly is provided at their connection. When the reactants are stirred and move, the top heat exchange tube can continuously retract and expand through the movable coil, allowing the top heat exchange tube to exchange heat on the inner and outer sides of the top of the reactants respectively. Under dynamic movement, it can contact the reactants for heat exchange, better adapt to the flow of reactants, and actively adapt to the temperature requirements of reactants at different positions, thereby greatly improving the contact effect with the reactants.

[0034] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Various changes can be made to the implementation schemes as long as the effects of the present invention can be achieved.

[0035] Those skilled in the art can connect the components in this case sequentially. The specific connection and operation sequence should refer to the working principle described below. The detailed connection methods are well-known technologies in the field. The working principle and process are mainly described below.

[0036] like Figure 1 and Figure 2 As shown, a heat exchange device for the synthesis of organic pigments includes a heat exchange container 2 and a stirring paddle 1 disposed on the heat exchange container 2. In addition, a heat exchange assembly is disposed inside the heat exchange container 2, which includes a bottom heat exchange tube 3 and a top heat exchange tube 6. The bottom heat exchange tube 3 is fixed to the bottom of the inner cavity of the heat exchange container 2, and the top heat exchange tube 6 is movable at the top of the inner cavity of the heat exchange container 2. The two are connected by a connecting pipe 5.

[0037] In one embodiment, a groove 7 is provided inside the heat exchange container 2 to accommodate the bottom heat exchange tube 3. The heat exchange container 2 can be integral or separate. When it is separate, it includes an upper heat exchange container 201 and a lower heat exchange container 202 that are fixedly connected to each other. The groove 7 is located at the connection between the upper heat exchange container 201 and the lower heat exchange container 202. The bottom heat exchange tube 3 is fixed in the groove 7 by a fourth fixing member 8. Embedding the bottom heat exchange tube 3 into the groove 7 reduces the protrusion distance of the bottom heat exchange tube 3 in the top view projection, thereby reducing the impact on the reaction of reactants (such as organic pigments) when they are stirred and turned, and ensuring the fusion effect between multiple substances.

[0038] For example, such as Figure 9 As shown, the structure of the groove 7 includes an arc-shaped notch 71 formed by bending process on the inner side of the connection between the upper heat exchange container 201 and the lower heat exchange container 202. The two arc-shaped notches 71 form a semi-circular groove. The fourth fixing member 8 is an arc-shaped buckle plate, which is used to fix the bottom heat exchange tube 3 after it is embedded in the semi-circular groove.

[0039] Reference Figure 3 In this embodiment, the bottom heat exchange tube 3 includes multiple arc-shaped tubes 31 and a rotating connector 32 connecting two adjacent arc-shaped tubes 31. The multiple arc-shaped tubes 31 are connected by the rotating connector 32 to form a complete circle. The rotating connector 32 is connected to the top heat exchange tube 6 through the connecting pipe 5. It should be noted that the arc-shaped tubes 31 are fixed in the groove 7 by the fourth fixing member 8.

[0040] Reference Figure 3 and Figure 4In this embodiment, the heat exchange assembly also includes a movable coil 4. The top heat exchange tube 6 is fixed to the movable coil 4 by a third fixing member 9. The top heat exchange tube 6 is an independent arc-shaped tube that matches the number of connecting pipes 5. The bottom heat exchange tube 3, the top heat exchange tube 6, the movable coil 4 and the connecting pipes 5 form a closed heat exchange medium channel. The medium flows in from the arc-shaped tube 31 of the bottom heat exchange tube 3, is distributed to the connecting pipes 5 by the rotating connector 32, and then enters the top heat exchange tube 6 and the movable coil 4, and finally flows back to form a cycle. The dynamic adjustment of the medium flow path is achieved by the extension and retraction of the movable coil 4.

[0041] For example, such as Figure 6 As shown, the movable coil 4 includes multiple second adjusting members 42 and a first adjusting member 41 connected between two adjacent second adjusting members 42; a cavity 44 is formed inside the second adjusting member 42, and the first adjusting member 41 is inserted into the cavity 44. The first adjusting member 41 can be freely pulled out and moved within the second adjusting member 42. The relative movement of the first adjusting member 41 and the second adjusting member 42 can change the flow rate and turbulence of the medium in the movable coil 4. When the movable coil 4 expands, the flow cross section of the medium increases, the flow rate decreases, and the heat exchange time with the outer material is prolonged; when the movable coil 4 retracts, the flow cross section decreases, the flow rate increases, and the heat exchange efficiency of the inner material is enhanced.

[0042] In this embodiment, as Figure 5 As shown, the movable coil 4 within the heat exchange container 2 can exhibit a first mode and a second mode according to the movement of the reactants, and can repeatedly switch between the first mode and the second mode. For example, in the first mode, as... Figure 3 and Figure 5 As shown, under the action of the continuously rotating reactants, the first adjusting member 41 is inserted into the cavity 44, the movable coil 4 contracts, and its inner diameter is at its minimum value. At this time, the top heat exchange tubes 6 are close to each other and surround the main shaft of the stirring paddle 1. The connecting pipe 5 is inclined and connected between the top heat exchange tubes 6 and the bottom heat exchange tubes 3 to exchange heat on the inner side of the top of the reactants. Under the action of the continuously rotating reactants, in the second state, as... Figure 4 and Figure 5 As shown, the movable coil 4 expands to its maximum inner diameter. At this point, the top heat exchange tubes 6 are far apart from each other and close to the inner wall of the heat exchange container 2. The connecting pipe 5 is connected almost vertically between the top heat exchange tube 6 and the bottom heat exchange tube 3, exchanging heat on the outer side of the top of the reactants. With the continuous rotation of the stirrer 1, the reactants rotate continuously, causing the movable coil 4 to continuously contract and expand freely due to the liquid movement. This allows for heat exchange on the inner and outer sides of the top of the reactants, respectively. The dynamic movement allows for contact with the reactants, resulting in better contact with the reactants and improved heat exchange efficiency compared to a fixed heat exchange method.

[0043] Furthermore, a cap 43 is fixed to the end of the cavity 44, and the end of the first adjusting member 41 is inserted into the cavity 44 through the cap 43. A limiting plate 45 is provided at the end of the first adjusting member 41 inserted into the cavity 44, and a sealing ring 46 is provided at the connection between the cap 43 and the first adjusting member 41. The cap 43 and the sealing ring 46 can effectively improve the seal at the connection between the first adjusting member 41 and the second adjusting member 42, allowing the stirred material to enter the cavity 44 inside the second adjusting member 42.

[0044] It should be noted that both the first adjusting member 41 and the second adjusting member 42 mentioned above are arc-shaped rods, and the diameter of the second adjusting member 42 is larger than the diameter of the first adjusting member 41.

[0045] For example, such as Figure 7 As shown, the rotary connector 32 ensures the movement of the connecting pipe 5 during repeated retraction and expansion of the movable coil 4. The rotary connector 32 is rotatably connected to two adjacent arc-shaped pipes 31. Specifically, the rotary connector 32 includes a T-shaped tee 321. The connecting pipe 5 is connected to an independent connecting end of the tee 321. Connecting pipes 322 are provided at the other two opposite ends of the tee 321. A second sealing component 324 is provided at the connection between the connecting pipe 322 and the tee 321, allowing the connecting pipe 322 to be rotatably connected to the tee 321 and sealed during rotation. The arc-shaped pipe 31 is connected to the connecting pipe 322, and a first sealing component 323 is provided at the connection for the mating of the arc-shaped pipe 31 and the connecting pipe 322. The relative rotation of the tee 321 and the connecting pipe 322 of the rotary connector 32 adapts to the directional flow of the medium between the arc-shaped pipe 31 and the connecting pipe 322, reducing flow resistance.

[0046] Reference Figure 8 In this embodiment, the first sealing assembly 323 includes a first fixing member 3231, a second fixing member, a first sealing ring 3233, and a second sealing ring 3234. The first fixing member 3231 is fixed to the outside of the connecting pipe 322, and the second fixing member is fixed to the outside of the arc-shaped pipe 31. The first fixing member 3231 and the second fixing member are mated together and secured to each other by a snap fastener 3235. The first sealing ring 3233 and the second sealing ring 3234 are respectively disposed within the first fixing member 3231 and the second fixing member 3232. The first sealing ring 3233 is fixed to the first fixing member 3231 by a clamp 3236.

[0047] Furthermore, the mating surfaces of the first fixing member 3231 and the second fixing member 3232 form a sealing surface, and the sealing surface of the first fixing member 3231 and the second fixing member 3232 is an inclined surface 3237. After the arc-shaped tube 31 and the connecting tube 322 are mated, the first fixing member 3231 and the second fixing member 3232 are mated together and fixed by the buckle 3235. At this time, the first sealing ring 3233 and the second sealing ring 3234 are in close contact to form a static seal.

[0048] Reference Figure 8 In this embodiment, the second sealing assembly 324 includes a rotating member 3243 and a sealing ring 3241 disposed between the tee member 321 and the connecting pipe 322. The rotating member 3243 is a rotating ring, and an elastic clip 3242 is disposed between the sealing ring 3241 and the rotating member 3243. The elastic clip 3242 is U-shaped, with its two sides abutting against the inner wall surfaces of the tee member 321 and the connecting pipe 322, and its opening facing the sealing ring 3241. When the tee member 321 swings during operation, it rotates on the connecting pipe 322 via the rotating member 3243, and the sealing ring 3241 and the elastic clip 3242 provide a seal for the gap between the tee member 321 and the connecting pipe 322.

[0049] Working principle:

[0050] The heat exchange assembly consists of a bottom heat exchange tube 3, a top heat exchange tube 6, a movable coil 4, and connecting pipes 5, forming a closed heat exchange medium channel. The bottom heat exchange tube 3 is fixed to the bottom of the heat exchange container 2 and is formed by multiple arc-shaped tubes 31 connected in series by a rotating connector 32 to form a ring structure. The top heat exchange tube 6 is connected to the movable coil 4 by a third fixing member 9 and its position can be dynamically adjusted with the expansion and contraction of the movable coil 4. The connecting pipes 5 connect the bottom heat exchange tube 3 and the top heat exchange tube 6 to form a three-dimensional pipeline system that runs vertically through the system.

[0051] Heat exchange media such as coolant and heat transfer oil flow into the arc-shaped tube 31 of the bottom heat exchange tube 3, are distributed to the connecting pipe 5 through the rotating connector 32, and then enter the top heat exchange tube 6 and the movable coil 4, and finally flow back to the bottom heat exchange tube 3 to complete the circulation. During the flow, the medium exchanges heat with the reactants organic pigment synthesis raw materials in the heat exchange container 2 through the three-dimensional pipeline system to achieve temperature rise or fall control.

[0052] Adaptive heat exchange to adapt to reactant flow: the movable coil 4 is composed of a first adjusting member 41 and a second adjusting member 42. The first adjusting member 41 can be freely pulled out and inserted into the cavity 44 of the second adjusting member 42. When the reactants are driven to rotate by the stirring paddle 1, their flow impact force causes the movable coil to dynamically switch between "contraction" and "expansion" states.

[0053] Contraction state: The first adjusting element 41 extends into the cavity 44, the inner diameter of the movable coil 4 decreases, and the top heat exchange tube 6 is close to the stirring paddle 1 to exchange heat on the inner area of ​​the top of the reactants.

[0054] Expansion state: The first adjusting element 41 is partially withdrawn from the cavity 44, the inner diameter of the movable coil 4 increases, and the top heat exchange tube 6 is close to the inner wall of the heat exchange container 2 to exchange heat on the outer region of the top of the reactants.

[0055] The expansion and contraction of the movable coil 4 synchronously change the medium flow parameters: when expanding, the medium flow cross section increases, the flow velocity decreases, and the heat exchange time with the outer reactants is extended; when contracting, the flow cross section decreases, the flow velocity increases, and the heat exchange efficiency of the inner reactants is enhanced. This dynamic adjustment enables the heat exchange components to adapt to the non-uniform flow state of the reactants caused by stirring, thereby improving the uniformity of heat exchange throughout the entire area.

[0056] The rotating connector 32 achieves two functions through the rotational engagement of the tee 321 and the connecting pipe 322:

[0057] When the top heat exchange tube moves with the movable coil, the angle between the connecting pipe 5 and the bottom heat exchange tube 3 changes. The relative rotation of the rotating connector 32 can reduce the resistance to the flow of the medium and ensure smooth circulation of the medium.

[0058] The inclined seal 3237 of the first sealing assembly 323 is combined with the elastic card 3242 and sealing ring 3241 of the second sealing assembly 324 to ensure that there is no leakage of the medium during rotation and maintain heat exchange efficiency.

[0059] In the description of this invention, each embodiment focuses on its differences from other embodiments, and similar or identical parts between embodiments can be referred to interchangeably. As the apparatus disclosed in the embodiments corresponds to the methods disclosed in the embodiments, the description is relatively simple, and relevant parts can be referred to the method section.

[0060] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A heat exchange device for the synthesis of organic pigments, comprising a heat exchange container (2) and a stirring paddle (1) disposed on the heat exchange container (2), characterized in that: The heat exchange container (2) is provided with a heat exchange assembly, which includes a bottom heat exchange tube (3) and a top heat exchange tube (6). The bottom heat exchange tube (3) is fixed at the bottom of the inner cavity of the heat exchange container (2). The bottom heat exchange tube (3) includes multiple arc-shaped tubes (31) and a rotating connector (32) connecting two adjacent arc-shaped tubes (31). The rotating connector (32) is connected to the top heat exchange tube (6) through a connecting pipe (5). The heat exchange assembly also includes a movable coil (4), and the top heat exchange tube (6) is fixed to the movable coil (4) by a third fastener (9); The bottom heat exchange tube (3), top heat exchange tube (6), movable coil (4) and connecting pipe (5) form a closed heat exchange medium channel. The medium flows in from the arc tube (31) of the bottom heat exchange tube (3), is distributed to the connecting pipe (5) through the rotating connector (32), and then enters the top heat exchange tube (6) and movable coil (4), and finally flows back to form a cycle. The dynamic adjustment of the medium flow path is achieved by the expansion and contraction of the movable coil (4). The movable coil (4) includes a plurality of second adjusting members (42) and a first adjusting member (41) connected between two adjacent second adjusting members (42); a cavity (44) is formed inside the second adjusting member (42), and the first adjusting member (41) is inserted into the cavity (44); The relative movement of the first adjusting member (41) and the second adjusting member (42) can change the flow rate and turbulence of the medium inside the movable coil (4). When the movable coil (4) expands, the flow cross section of the medium increases, the flow rate decreases, and the heat exchange time with the outer material is prolonged. When the movable coil (4) retracts, the flow cross section decreases, the flow rate increases, and the heat exchange efficiency of the inner material is enhanced. The end of the cavity (44) is fixed with a cover (43), the end of the first adjusting member (41) is inserted into the cavity (44) through the cover (43), the end of the first adjusting member (41) inserted into the cavity (44) is provided with a limiting plate (45), and a sealing ring (46) is provided at the connection between the cover (43) and the first adjusting member (41). The rotating connector (32) includes a tee (321), the connecting pipe (5) is connected to the tee (321), and the other two ends of the tee (321) are respectively provided with connecting pipes (322). A second sealing component (324) is provided at the connection between the connecting pipe (322) and the tee (321); the arc-shaped pipe (31) is connected to the connecting pipe (322), and a first sealing component (323) is provided at the connection. The relative rotation of the tee (321) and the connecting pipe (322) of the rotating connector (32) can adapt to the turning flow of the medium between the arc-shaped pipe (31) and the connecting pipe (322), thereby reducing flow resistance. The heat exchange container (2) includes an upper heat exchange container (201) and a lower heat exchange container (202) that are fixedly connected to each other. A groove (7) for accommodating a bottom heat exchange tube (3) is provided at the connection between the upper heat exchange container (201) and the lower heat exchange container (202). The bottom heat exchange tube (3) is fixed in the groove (7) by a fourth fastener (8).

2. The heat exchange device for organic pigment synthesis according to claim 1, characterized in that: The first sealing assembly (323) includes: The first fastener (3231) is fixed to the outside of the connecting pipe (322); The second fastener (3232) is fixed to the outside of the arc-shaped tube (31); the first fastener (3231) and the second fastener (3232) are connected to each other and are fixed to each other by a buckle (3235) after connection; The first sealing ring (3233) and the second sealing ring (3234) are respectively disposed in the first fixing member (3231) and the second fixing member (3232), and the mating surfaces of the first fixing member (3231) and the second fixing member (3232) form a sealing surface.

3. A heat exchange device for organic pigment synthesis according to claim 2, characterized in that: The first sealing ring (3233) is fixed to the first fixing member (3231) by a clamp (3236).

4. A heat exchange device for organic pigment synthesis according to claim 2, characterized in that: The sealing surfaces where the first fixing member (3231) and the second fixing member (3232) meet are inclined surfaces (3237).

5. A heat exchange device for organic pigment synthesis according to claim 1, characterized in that: The second sealing assembly (324) includes a rotating member (3243) disposed between the tee (321) and the connecting pipe (322) and a sealing ring (3241), wherein an elastic clip (3242) is disposed between the sealing ring (3241) and the rotating member (3243).

6. A heat exchange device for organic pigment synthesis according to claim 1, characterized in that: The groove (7) includes arc-shaped notches (71) formed on the inner side of the connection between the upper heat exchange container (201) and the lower heat exchange container (202), and the two arc-shaped notches (71) form a semi-circular groove.

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