Rapid heating system of polyester reaction kettle

Abstract

The utility model discloses a rapid heating system of a polyester reaction kettle, which comprises two side support frames, a heating kettle is arranged above the opposite sides of the two side support frames, a cooling kettle is arranged below the bottom end of the outer wall of the heating kettle, a heating component for heating the polyester reaction is arranged on the heating kettle, and the cooling kettle is arranged below the bottom end of the outer wall of the cooling kettle. According to the utility model, the heating kettle and the cooling kettle are respectively arranged to heat and cool the stock solution, the heating kettle can heat the stock solution through the matching of the material conveying coil pipe and the annular heater, and the cooling kettle can cool the material through the water cooling tank and the cooling water. Therefore, subsequent heating and cooling of the reaction kettle can be avoided, and energy waste can be reduced while the reaction rate of the material polyester is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of reaction kettles, in particular to a rapid heating system for a polyester reaction kettle. Background Art

[0002] Polyester reactor is a kind of equipment used to produce polyester resin. Polyester resin is an important synthetic resin material with excellent physical and chemical properties, and is widely used in coatings, plastics, fibers and other fields.

[0003] A heating system for a polyester resin reactor is disclosed in the Chinese patent publication number CN208356773U. The patented technology is equipped with an upper cover, a reactor, a discharge pipe and a feed pipe. A heating coil is installed outside the central stirring shaft inside the reactor, and heating blocks are evenly installed on the inner wall of the reactor outside the heating coil, so as to increase the heating area of ​​the material, facilitate the full reaction of the material, and facilitate the use of the device.

[0004] However, it can be seen from the specification and drawings disclosed in the above patent technology that in the above patent technology, the heating structure and the cooling structure are arranged in the same group of reactors, which results in that the heating structure needs to consume a large amount of energy to reheat the reactor after each cooling is completed, and the cooling structure also needs to consume a cold source to cool the reactor, which results in a large amount of unnecessary energy being consumed all the time and affects the heating and cooling efficiency of subsequent reactors, so there are certain shortcomings.

[0005] Therefore, based on the above technical problems, it is necessary for technicians in this field to develop a rapid heating system for a polyester reactor. Utility Model Content

[0006] The utility model aims to provide a rapid heating system for a polyester reaction kettle.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The utility model discloses a rapid heating system for a polyester reaction kettle, comprising a side support frame, a heating kettle is arranged above two opposite sides of the side support frames, a cooling kettle is arranged below the bottom end of the outer wall of the heating kettle, a heating component for heating the polyester reaction is arranged on the heating kettle, and a cooling component is arranged on the cooling kettle.

[0009] Furthermore, the opposite sides of the heating kettle and the cooling kettle are fixedly connected via a fixing rod, and both sides of the outer walls of the heating kettle and the cooling kettle are fixedly connected to the opposite sides of the side support frame via a supporting rod.

[0010] Furthermore, a driving motor is fixed to the top of the outer wall of the heating kettle, and a bottom output shaft of the driving motor passes through the top of the inner wall of the heating kettle and is fixed to a stirrer.

[0011] Furthermore, the heating component includes a feed coil, which is fixed around the outer wall of the heating kettle, and a distribution plate is fixed at the bottom end of the feed coil. The end of the distribution plate away from the feed coil is connected to the raw material conveying pipe, and the upper end of the feed coil is connected to one side of the top end of the inner wall of the heating kettle.

[0012] Furthermore, a plurality of heating sub-pipes are provided inside the conveying coil, and the plurality of heating sub-pipes are evenly arranged in a circular array.

[0013] Furthermore, the heating branch pipes are all fixedly connected to the inner wall side ends of the material distribution plate, and the inner walls of the heating branch pipes are all inlaid with heating pipes.

[0014] Furthermore, the heating component also includes a ring-shaped heater, which is arranged inside the heating kettle, and both ends of the ring-shaped heater are connected to the inner wall of the heating kettle. The ring-shaped heater is sleeved on the outer wall of the agitator, and the side end of the outer wall of the heating kettle is provided with a power transmission cable for supplying power to the ring-shaped heater.

[0015] Furthermore, a feed pipe is fixedly connected to the bottom end of the inner wall of the heating kettle, the bottom end of the feed pipe is connected to the top end of the inner wall of the cooling kettle, and a discharge valve is fixed on the feed pipe.

[0016] Furthermore, the cooling component includes a water cooling groove, which is opened inside the cooling kettle. The bottom right side of the outer wall of the water cooling groove is connected to a bottom water inlet, and the upper left end of the outer wall of the water cooling groove is connected to an upper drain outlet.

[0017] In the above technical solution, the utility model provides a rapid heating system for a polyester reactor, which has the following beneficial effects:

[0018] In the utility model, a heating kettle and a cooling kettle are respectively provided to heat and cool the stock solution respectively. The heating kettle can heat the stock solution by cooperating with a feeding coil and an annular heater, while the cooling kettle can cool the material by a water cooling tank and cooling water, thereby eliminating the need for subsequent heating and cooling of the reaction kettle, improving the polyester reaction rate of the material while also reducing energy waste, thereby making it convenient for personnel to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 A schematic diagram of the overall structure in the front view direction of a rapid heating system for a polyester reactor provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of a partial cross-sectional structure of a heating kettle in a rapid heating system of a polyester reactor provided by an embodiment of the utility model in the front view direction;

[0022] Figure 3 A schematic diagram of a partial cross-sectional structure of a cooling kettle in a rapid heating system of a polyester reactor provided by an embodiment of the utility model in the front view direction;

[0023] Figure 4 A schematic diagram of a partial cross-sectional structure in the front view direction of a feed coil in a rapid heating system of a polyester reactor provided by an embodiment of the utility model;

[0024] Figure 5 A schematic cross-sectional structural diagram of a feed coil in a rapid heating system of a polyester reactor provided by an embodiment of the utility model;

[0025] Figure 6 The present invention is a schematic diagram of the three-dimensional structure of a feed coil in a rapid heating system of a polyester reactor provided by an embodiment of the present invention.

[0026] In the figure: 100, side support frame; 200, heating kettle; 210, feed coil; 220, distribution plate; 230, heating distribution pipe; 231, heating pipe; 240, drive motor; 241, stirrer; 250, ring heater; 300, cooling kettle; 301, water cooling tank; 310, bottom water inlet; 320, upper drain outlet. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figure 1 to Figure 6 As shown;

[0029] The utility model discloses a rapid heating system for a polyester reactor, comprising a side support frame 100, wherein the side support frame 100 is provided to support a heating reactor 200 and a cooling reactor 300, wherein a heating reactor 200 is provided above the opposite side of the two side support frames 100, and the heating reactor 200 is provided to heat the polyester reaction, and a cooling reactor 300 is provided below the bottom end of the outer wall of the heating reactor 200, and the cooling reactor 300 is provided to cool the liquid after the polyester reaction, and the opposite sides of the heating reactor 200 and the cooling reactor 300 are fixedly connected by a fixing rod, and ... Both sides of the outer wall of the kettle 300 are fixedly connected to the opposite side of the side support frame 100 through a support rod. A driving motor 240 is fixed to the top of the outer wall of the heating kettle 200. The bottom output shaft of the driving motor 240 passes through the top of the inner wall of the heating kettle 200 and is fixed with a stirrer 241. Specifically, the driving motor 240 drives the stirrer 241 to rotate through the output shaft after being powered on, and the stirrer 241 can stir the polyester reaction. An exhaust pipe is provided on the right side of the top of the inner wall of the heating kettle 200 to stabilize the pressure inside the heating kettle 200 to ensure that the polyester reaction proceeds normally.

[0030] The heating kettle 200 is provided with a heating component for heating the polyester reaction, and the heating component includes a feed coil 210, which is fixedly surrounded by the outer wall of the heating kettle 200. The feed coil 210 can be fixed to the outer wall of the heating kettle 200 through a pipe frame, and the feed coil 210 is provided to transport the raw materials into the heating kettle 200. A feed distribution plate 220 is fixed to the bottom end of the feed coil 210, and one end of the feed distribution plate 220 away from the feed coil 210 is connected to the raw material conveying pipe, and the upper end of the feed coil 210 is connected to one side of the top end of the inner wall of the heating kettle 200. The feed distribution plate 220 is provided to The polyester reaction raw materials are evenly distributed to the heating branch pipe 230. A plurality of heating branch pipes 230 are arranged inside the feeding coil 210. The plurality of heating branch pipes 230 are evenly arranged in a circular array. The heating branch pipes 230 are fixedly connected to the inner wall side ends of the feeding disc 220. The inner walls of the heating branch pipes 230 are inlaid with heating pipes 231. The heating pipes 231 can generate heat after being powered on. The heat generated by the heating pipes 231 can heat the stock solution transported by the liquid distribution in the heating branch pipes 230, thereby reducing the subsequent heating time of the stock solution in the heating kettle 200 and improving the subsequent heating effect on the polyester reaction.

[0031] The heating component also includes an annular heater 250, which is arranged inside the heating kettle 200. Both ends of the annular heater 250 are connected to both sides of the inner wall of the heating kettle 200. The annular heater 250 is arranged to heat the polyester reaction liquid added to the heating kettle 200 during the stirring process to improve the polyester reaction effect of the raw materials. The annular heater 250 is sleeved on the outer wall of the agitator 241. The side end of the outer wall of the heating kettle 200 is provided with a power transmission cable for supplying power to the annular heater 250. The bottom end of the inner wall of the heating kettle 200 is fixedly connected with a feed pipe, and the bottom end of the feed pipe is connected with the top end of the inner wall of the cooling kettle 300. A discharge valve is fixed on the feed pipe.

[0032] The cooling kettle 300 is provided with a cooling component, and the cooling component includes a water cooling tank 301. The water cooling tank 301 is opened inside the cooling kettle 300. The bottom right side of the outer wall of the water cooling tank 301 is connected to a bottom water inlet 310, and the upper left end of the outer wall of the water cooling tank 301 is connected to an upper drain port 320. Specifically, personnel can transport cooling water for cooling into the water cooling tank 301 through the bottom water inlet 310, and the cooling water can pass through the water cooling tank 301 to exchange heat and cool the liquid after the polyester reaction, and the upper drain port 320 can discharge the liquid after heat exchange from the water cooling tank 301, and a heat conduction plate is arranged inside the cooling kettle 300 to improve the heat exchange effect between the liquid and the cooling water, and an insulation layer can be arranged on the inner wall of the heating kettle 200 to improve the insulation effect of the original liquid.

[0033] In the utility model, firstly, personnel can use an infusion pump to transport the raw materials for polyester reaction to the material distribution tray 220 through the raw material delivery pipe, and the material distribution tray 220 can transport the raw liquid to the heating branch pipe 230 respectively, and the heating pipe 231 can generate heat after being powered on, so as to heat the raw liquid transported separately in the heating branch pipe 230, and the heated raw liquid will enter the heating kettle 200, and then the driving motor 240 can drive the stirrer 241 to rotate after being powered on, so that the stirrer 241 can stir the raw liquid, and the annular heater 250 can be powered on through the power transmission cable, so that the annular heater 250 can be powered on to generate heat to heat the raw liquid for secondary heating, and the stirring of the stirrer 241 can make the raw liquid undergo polyester reaction;

[0034] After the polyester reaction is completed, the personnel can open the discharge valve so that the material after the polyester reaction can be transported to the cooling kettle 300 through the discharge pipe. After the material is discharged, the personnel can close the discharge valve and then proceed to the next group of polyester reactions. The bottom water inlet 310 provided will transport the cooling water to the water cooling tank 301, and the cooling water will exchange heat with the material through the water cooling tank 301 to reduce its temperature. The cooling water after heat exchange can be discharged through the upper drain port 320 to the water cooling equipment for subsequent recycling. After cooling is completed, the personnel can discharge the material.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A rapid heating system for a polyester reactor, comprising a side support frame (100), characterized in that: A heating kettle (200) is arranged above one side of the two side support frames (100) opposite to each other, a cooling kettle (300) is arranged below the bottom end of the outer wall of the heating kettle (200), a heating component for heating the polyester reaction is arranged on the heating kettle (200), and a cooling component is arranged on the cooling kettle (300).

2. The rapid heating system for a polyester reactor according to claim 1, characterized in that: The opposite sides of the heating kettle (200) and the cooling kettle (300) are fixedly connected via fixing rods, and both sides of the outer walls of the heating kettle (200) and the cooling kettle (300) are fixedly connected to the opposite sides of the side support frame (100) via supporting rods.

3. The rapid heating system for a polyester reactor according to claim 1, characterized in that: A driving motor (240) is fixed to the top of the outer wall of the heating kettle (200), and a bottom output shaft of the driving motor (240) passes through the top of the inner wall of the heating kettle (200) and is fixed to a stirrer (241).

4. The rapid heating system for a polyester reactor according to claim 1, characterized in that: The heating component comprises a feed coil (210), wherein the feed coil (210) is fixedly disposed around the outer wall of the heating kettle (200), a material distribution plate (220) is fixedly disposed at the bottom end of the feed coil (210), and an end of the material distribution plate (220) away from the feed coil (210) is connected to a raw material conveying pipe, and an upper end of the feed coil (210) is connected to one side of the top end of the inner wall of the heating kettle (200).

5. A rapid heating system for a polyester reactor according to claim 4, characterized in that: A plurality of heating branch pipes (230) are arranged inside the material conveying coil (210), and the plurality of heating branch pipes (230) are evenly arranged in a ring array.

6. A rapid heating system for a polyester reactor according to claim 5, characterized in that: The heating branch pipes (230) are fixedly connected to the inner wall side ends of the material distribution plate (220), and the inner walls of the heating branch pipes (230) are inlaid with heating pipes (231).

7. A rapid heating system for a polyester reactor according to claim 4, characterized in that: The heating component further comprises an annular heater (250), wherein the annular heater (250) is arranged inside the heating kettle (200), both ends of the annular heater (250) are connected to both sides of the inner wall of the heating kettle (200), the annular heater (250) is sleeved on the outer wall of the agitator (241), and a power transmission cable for supplying power to the annular heater (250) is arranged at the side end of the outer wall of the heating kettle (200).

8. A rapid heating system for a polyester reactor according to claim 7, characterized in that: The bottom end of the inner wall of the heating kettle (200) is fixedly connected to a feed pipe, the bottom end of the feed pipe is connected to the top end of the inner wall of the cooling kettle (300), and a discharge valve is fixed on the feed pipe.

9. The rapid heating system for a polyester reactor according to claim 1, characterized in that: The cooling component comprises a water cooling groove (301), wherein the water cooling groove (301) is arranged inside the cooling kettle (300), the bottom right side of the outer wall of the water cooling groove (301) is connected to a bottom water inlet (310), and the upper left side of the outer wall of the water cooling groove (301) is connected to an upper drain outlet (320).

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