Condenser for producing waterborne polyurethane chain extender

Abstract

The utility model relates to the technical field of waterborne polyurethane chain extender production, and discloses a condenser for waterborne polyurethane chain extender production, which comprises a cooling box, a water body is arranged in the cooling box, a heat dissipation device is arranged in the cooling box, a reaction kettle is arranged on the left side of the cooling box, and the heat dissipation device comprises a water cooling part. By arranging a water pump, a bent pipe, a connecting pipe, a spiral pipeline, a motor, an air inlet pipe, fan blades, spiral blades, a sleeve and a draining plate, in the using process, the spiral pipeline is soaked in water for water cooling, meanwhile, the motor is started, an output shaft of the motor drives the fan blades to rotate, air flows downwards, the bent pipe is cooled, meanwhile, the motor drives the spiral blades to rotate, and the water cooling effect is achieved. The water body in the sleeve moves upwards, the water body is sprayed on the draining plate, the evaporation of the water body is accelerated by the wind body, and the heat dissipation of the bent pipe is accelerated; and a first filter screen and a concentric-square-shaped frame are arranged, the air body is filtered through the first filter screen, and dust entering the cooling box is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waterborne polyurethane chain extender production, in particular to a condenser for waterborne polyurethane chain extender production. Background Art

[0002] The chain extenders used to synthesize waterborne polyurethane are mainly hydrophilic chain extenders, that is, chain extenders containing hydrophilic groups. Among them, the anionic chain extenders include two major categories: carboxyl-containing and sulfonic acid-containing. The cationic chain extenders are mainly methyldiethanolamine. In order to improve the water resistance, strength and other properties of the waterborne polyurethane film, water-dispersible polyisocyanates, diamines, di- or poly-aziridines, di- or poly-glycidyl ethers, and carbodiimides can be added to the prepared waterborne polyurethane. Chain extenders or crosslinking agents.

[0003] However, there are still the following disadvantages: in the prior art, when heat is dissipated in the production of waterborne polyurethane chain extenders, the outer surface of the shell is used to exchange heat with the air, and the temperature difference between the shell and the air is used for heat conduction, which makes the cooling time longer. Therefore, we propose a condenser for the production of waterborne polyurethane chain extenders to solve this problem. Utility Model Content

[0004] The utility model aims to provide a condenser for producing a waterborne polyurethane chain extender to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a condenser for producing a waterborne polyurethane chain extender, comprising a cooling box, a water body is arranged inside the cooling box, a heat dissipation device is arranged inside the cooling box, a reaction kettle is arranged on the left side of the cooling box, and the heat dissipation device comprises a water cooling part;

[0006] The water cooling part includes a water pump, an elbow, a connecting pipe and a spiral pipe. The right end face of the water pump is fixedly connected to the left end face of the cooling box. The left end face of the water pump water inlet pipe passes through the right end face of the reactor and is connected to the inside of the reactor. The bottom face of the connecting pipe is fixedly connected to the top face of the spiral pipe, and the top face of the connecting pipe is fixedly connected to the bottom face of the elbow.

[0007] The cooling box is provided with an air cooling part inside;

[0008] The air cooling part includes a motor, an air inlet pipe and a sleeve. The bottom surface of the motor is fixedly connected to the top surface of the cooling box, the bottom surface of the air inlet pipe is fixedly connected to the top surface of the cooling box, the bottom surface of the sleeve is fixedly connected to the inner wall of the cooling box, a water inlet hole is provided on the outer surface of the bottom end of the sleeve, and a second filter is provided at the front and rear ends of the cooling box.

[0009] A further improvement is that the water pump outlet pipe is fixedly passed through the left end face of the cooling box and the left end face of the bent pipe in sequence and is connected to the inside of the bent pipe, and the left end face of the spiral pipe is fixedly passed through the inner wall of the cooling box and the outer surface of the reactor in sequence and is connected to the inside of the reactor. By arranging a water pump, a bent pipe, a connecting pipe and a spiral pipe, the water-based polyurethane chain extender is sucked into the bent pipe and the spiral blades by the water pump, and the water flow is used to dissipate the heat of the water-based polyurethane chain extender.

[0010] A further improvement is that the air cooling part also includes fan blades, a first filter screen, a circular frame, spiral blades, magnetic blocks and a drain plate. The outer surface of the bottom end of the motor output shaft rotates through the bearing to penetrate the top surface of the cooling box and extend to the inside of the cooling box. The fan blades are fixedly sleeved on the outer surface of the motor output shaft. By setting the motor and fan blades, the motor is started to rotate the fan blades to dissipate heat from the bent pipe by air cooling.

[0011] A further improvement is that the bottom end of the motor output shaft extends to the inside of the sleeve, and the spiral blades are fixedly sleeved on the outer surface of the motor output shaft. By arranging the spiral blades and the sleeve, the motor output shaft drives the spiral blades to rotate, so that the water inside the sleeve is diverted upward, thereby expanding the heat dissipation area of ​​the water body and improving the heat dissipation effect.

[0012] A further improvement is that the outer surface of the drain plate is fixedly connected to the outer surface of the sleeve, and the drain plate is arranged at an angle. By arranging the drain plate, the evaporation area of ​​the water body is expanded.

[0013] A further improvement is that a slide groove is provided on the inner wall of the air inlet pipe, the outer surface of the rear end of the circular frame slides through the front of the air inlet pipe and extends to the inside of the slide groove, the outer surface of the first filter is fixedly connected to the inner wall of the circular frame, and the air inlet pipe, the first filter and the circular frame are arranged, and the air is filtered by using the first filter.

[0014] A further improvement is that a groove is provided on the inner wall of the air inlet pipe, the outer surface of the magnetic block is fixedly connected to the inner wall of the groove, the front of the magnetic block and the back of the return frame attract each other, and the arrangement of the magnetic block facilitates the installation and disassembly of the return frame.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the condenser for producing water-based polyurethane chain extender is provided with a water pump, a curved pipe, a connecting pipe, a spiral pipe, a motor, an air inlet pipe, a fan blade, a spiral blade, a sleeve and a drain plate. When in use, the spiral pipe is soaked in water for water cooling, and at the same time, the motor is started, and the motor output shaft drives the fan blade to rotate, so that the wind body flows downward to cool the curved pipe, and at the same time, the motor drives the spiral blade to rotate, so that the water body inside the sleeve moves upward, and the water body is poured on the drain plate, and the wind body accelerates the evaporation of the water body, so as to accelerate the heat dissipation of the curved pipe; by providing a first filter screen and a return frame, the first filter screen is used to filter the wind body to reduce the dust entering the cooling box; by providing a magnetic block, the magnetic block is used to attract the return frame, the return frame and the first filter screen are positioned, and the return frame is pulled forward to clean the dust inside the air inlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a front cross-sectional view of the three-dimensional structure of the heat dissipation device of the utility model;

[0018] Figure 3 This is a left side cross-sectional view of the three-dimensional structure of the heat dissipation device of the utility model;

[0019] Figure 4 It is a partial cross-sectional view of the three-dimensional structure of the heat dissipation device of the utility model;

[0020] Figure 5 for Figure 4 A magnified view of the structure in the middle.

[0021] In the figure: 1 reactor, 2 cooling box, 3 heat dissipation device, 31 air cooling part, 32 water cooling part, 311 motor, 312 air inlet pipe, 313 fan blade, 314 first filter screen, 315 return frame, 316 spiral blade, 317 sleeve, 318 magnetic block, 319 drain plate, 321 water pump, 322 elbow, 323 connecting pipe, 324 spiral pipeline. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5The utility model provides a technical solution: a condenser for producing a waterborne polyurethane chain extender, comprising a cooling box 2, a water body is arranged inside the cooling box 2, a heat dissipation device 3 is arranged inside the cooling box 2, a reaction kettle is arranged on the left side of the cooling box 2, and the heat dissipation device 3 includes a water cooling part 32;

[0024] The water cooling part 32 includes a water pump 321, a curved pipe 322, a connecting pipe 323 and a spiral pipe 324. The right end face of the water pump 321 is fixedly connected to the left end face of the cooling box 2. The left end face of the water inlet pipe of the water pump 321 passes through the right end face of the reactor 1 and is connected to the inside of the reactor 1. The bottom face of the connecting pipe 323 is fixedly connected to the top face of the spiral pipe 324. The top face of the connecting pipe 323 is fixedly connected to the bottom face of the curved pipe 322. The water outlet pipe of the water pump 321 is fixedly connected to the left end face of the cooling box 2 and the left end face of the curved pipe 322 in sequence and is connected to the inside of the curved pipe 322. The left end face of the spiral pipe 324 is fixedly connected to the inner wall of the cooling box 2 and the outer surface of the reactor 1 in sequence and is connected to the inside of the reactor 1.

[0025] The cooling box 2 is provided with an air cooling part 31;

[0026] The air cooling part 31 includes a motor 311, an air inlet pipe 312 and a sleeve 317. The bottom surface of the motor 311 is fixedly connected to the top surface of the cooling box 2. The bottom surface of the air inlet pipe 312 is fixedly connected to the top surface of the cooling box 2. The bottom surface of the sleeve 317 is fixedly connected to the inner wall of the cooling box 2. A water inlet hole is provided on the outer surface of the bottom end of the sleeve 317. The front and rear ends of the cooling box 2 are both provided with a second filter. The air cooling part 31 also includes a fan blade 313, a first filter 314, a return frame 315, a spiral blade 316, a magnetic block 318 and a drain plate 319. The outer surface of the bottom end of the output shaft of the motor 311 rotates through the top surface of the cooling box 2 and extends to the inside of the cooling box 2 through the bearing. The fan blade 313 is fixedly sleeved on the outer surface of the output shaft of the motor 311. The outer surface of the drain plate 319 is fixedly connected to the outer surface of the sleeve 317. The drain plate 319 is tilted.

[0027] The bottom end of the output shaft of the motor 311 extends to the inside of the sleeve 317, and the spiral blade 316 is fixedly sleeved on the outer surface of the output shaft of the motor 311. By arranging the water pump 321, the bent pipe 322, the connecting pipe 323, the spiral pipe 324, the motor 311, the air inlet pipe 312, the fan blade 313, the spiral blade 316, the sleeve 317 and the drain plate 319, when in use, the spiral pipe 324 is soaked in water for water cooling, and at the same time, the motor 311 is started, and the output shaft of the motor 311 drives the fan blade 313 to rotate, so that the wind flows downward to cool the bent pipe 322. At the same time, the motor 311 drives the spiral blade 316 to rotate, so that the water inside the sleeve 317 moves upward, and the water is poured on the drain plate 319. The wind accelerates the evaporation of the water, so as to accelerate the heat dissipation of the bent pipe 322.

[0028] A slide groove is provided on the inner wall of the air inlet pipe 312, and the outer surface of the rear end of the return frame 315 slides through the front of the air inlet pipe 312 and extends to the inside of the slide groove. The outer surface of the first filter 314 is fixedly connected to the inner wall of the return frame 315. By providing the first filter 314 and the return frame 315, the first filter 314 is used to filter the air, thereby reducing dust from entering the cooling box 2.

[0029] A groove is provided on the inner wall of the air inlet pipe 312, and the outer surface of the magnetic block 318 is fixedly connected to the inner wall of the groove. The front of the magnetic block 318 and the back of the circular frame 315 attract each other. By setting the magnetic block 318, the circular frame 315 is attracted by the magnetic block 318, and the circular frame 315 and the first filter 314 are positioned. The circular frame 315 is pulled forward to clean the dust inside the air inlet pipe 312.

[0030] When in use, start the water pump 321, the water pump 321 extracts the water-based polyurethane chain extender inside the reactor 1, the water-based polyurethane chain extender passes through the bend 322 and the spiral pipe 324, and finally flows back into the reactor 1, start the motor 311, the output shaft of the motor 311 drives the spiral blade 316 to rotate, the spiral blade 316 drives the water inside the sleeve 317 to surge upward, after the water reaches the top of the sleeve 317, part of the water flows along the outer surface of the drain plate 319, the output shaft of the motor 311 drives the fan blade 313 to rotate, the fan blade 313 replaces the wind body through the first filter screen 315 and the second filter screen in turn, so that the wind body accelerates the evaporation of the water on the drain plate 319.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A condenser for producing a waterborne polyurethane chain extender, comprising a cooling box (2), characterized in that: A water body is arranged inside the cooling box (2), a heat dissipation device (3) is arranged inside the cooling box (2), a reaction kettle is arranged on the left side of the cooling box (2), and the heat dissipation device (3) includes a water cooling part (32); The water cooling part (32) comprises a water pump (321), a curved pipe (322), a connecting pipe (323) and a spiral pipe (324); the right end face of the water pump (321) is fixedly connected to the left end face of the cooling box (2); the left end face of the water inlet pipe of the water pump (321) penetrates the right end face of the reactor (1) and is connected to the inside of the reactor (1); the bottom face of the connecting pipe (323) is fixedly connected to the top face of the spiral pipe (324); and the top face of the connecting pipe (323) is fixedly connected to the bottom face of the curved pipe (322); The cooling box (2) is provided with an air cooling part (31) inside; The air cooling part (31) comprises a motor (311), an air inlet pipe (312) and a sleeve (317); the bottom surface of the motor (311) is fixedly connected to the top surface of the cooling box (2); the bottom surface of the air inlet pipe (312) is fixedly connected to the top surface of the cooling box (2); the bottom surface of the sleeve (317) is fixedly connected to the inner wall of the cooling box (2); a water inlet hole is provided on the outer surface of the bottom end of the sleeve (317); and second filters are provided at the front and rear ends of the cooling box (2).

2. A condenser for producing a waterborne polyurethane chain extender according to claim 1, characterized in that: The water outlet pipe of the water pump (321) is fixedly passed through the left end surface of the cooling box (2) and the left end surface of the curved pipe (322) in sequence and is connected to the inside of the curved pipe (322); the left end surface of the spiral pipe (324) is fixedly passed through the inner wall of the cooling box (2) and the outer surface of the reactor (1) in sequence and is connected to the inside of the reactor (1).

3. A condenser for producing a waterborne polyurethane chain extender according to claim 1, characterized in that: The air cooling part (31) also includes fan blades (313), a first filter screen (314), a circular frame (315), spiral blades (316), a magnetic block (318) and a drain plate (319); the outer surface of the bottom end of the output shaft of the motor (311) rotates through the top surface of the cooling box (2) and extends to the interior of the cooling box (2) through a bearing; the fan blades (313) are fixedly sleeved on the outer surface of the output shaft of the motor (311).

4. A condenser for producing a waterborne polyurethane chain extender according to claim 3, characterized in that: The bottom end of the output shaft of the motor (311) extends to the interior of the sleeve (317), and the spiral blade (316) is fixedly sleeved on the outer surface of the output shaft of the motor (311).

5. The condenser for producing waterborne polyurethane chain extender according to claim 3, characterized in that: The outer surface of the drain plate (319) is fixedly connected to the outer surface of the sleeve (317), and the drain plate (319) is arranged at an angle.

6. A condenser for producing a waterborne polyurethane chain extender according to claim 3, characterized in that: The inner wall of the air inlet pipe (312) is provided with a slide groove, the outer surface of the rear end of the return frame (315) slides through the front of the air inlet pipe (312) and extends into the interior of the slide groove, and the outer surface of the first filter screen (314) is fixedly connected to the inner wall of the return frame (315).

7. A condenser for producing a waterborne polyurethane chain extender according to claim 3, characterized in that: The inner wall of the air inlet pipe (312) is provided with a groove, the outer surface of the magnetic block (318) is fixedly connected to the inner wall of the groove, and the front surface of the magnetic block (318) and the back surface of the return frame (315) attract each other.

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