Heating device for acrylic pressure-sensitive adhesive production process

Abstract

The application provides a heating device for an acrylic pressure-sensitive adhesive production process, which comprises an assembly outer box, a first water tank and a second water tank are respectively arranged on the bottom of the assembly outer box, a first partition plate is arranged above the first water tank, a steam heat exchanger, a steam generator and a hot water pump are respectively arranged on the first partition plate, a second partition plate is arranged above the steam heat exchanger, the second partition plate and the first partition plate are connected with the assembly outer box, a steam-water mixer is arranged above the second partition plate and connected with the assembly outer box through a support, a recovery port and a discharge port are arranged on the upper end of the assembly outer box, the device is designed in an integrated mode, the utilization rate of the internal space is increased, the external space is small, the steam-water mixer is adopted, the steam and water are mixed and heated, the long heating time or the high local temperature caused by the single heating mode is avoided, and the material in the reaction is subjected to the uniform heating process.

Description

Technical Field

[0001] This invention relates to the field of heating technology, and more particularly to a heating device for the production process of acrylic pressure-sensitive adhesive. Background Technology

[0002] Pressure-sensitive adhesive is a special type of adhesive that can be easily bonded to the surface of an object with only a small amount of pressure. Pressure-sensitive adhesive products mainly include pressure-sensitive adhesive tapes, pressure-sensitive adhesive labels, and pressure-sensitive adhesive sheets. Their full names are pressure-sensitive adhesive tapes, pressure-sensitive adhesive labels, and pressure-sensitive adhesive sheets, commonly known as tapes, self-adhesive labels, and pressure-sensitive sheets. Pressure-sensitive adhesives are a type of viscous compound; essentially, they are viscoelastic materials that possess both the viscous properties of liquids and the elastic properties of solids.

[0003] Heating is required in the production process of acrylic pressure-sensitive adhesives. Traditional heating methods include water heating and steam heating. However, hot water heating has the problem of slow temperature rise and long reaction time, which is a waste of electrical and thermal energy. Steam heating, on the other hand, has the problem of excessively rapid temperature rise, which can lead to local overheating and skin formation in the product, affecting the quality and performance of the product. At the same time, the condensate produced has unused heat energy. Therefore, this invention proposes a heating device for the production process of acrylic pressure-sensitive adhesives to solve the problems existing in the prior art. Summary of the Invention

[0004] To address the aforementioned problems, the present invention aims to provide a heating device for the production process of acrylic pressure-sensitive adhesives. This heating device for the production process of acrylic pressure-sensitive adhesives has the advantages of good heating effect and energy saving, thus solving the problems in the prior art.

[0005] To achieve the objectives of this invention, the following technical solution is provided: A heating device for the production process of acrylic pressure-sensitive adhesive, comprising an assembly outer casing. A first water tank and a second water tank are respectively installed at the bottom of the assembly outer casing. A first partition is provided above the first water tank. A steam heat exchanger, a steam generator, and a hot water pump are respectively installed on the first partition. A second partition is provided above the steam heat exchanger. Both the second and first partitions are connected to the assembly outer casing. A steam-water mixer is provided above the second partition and is connected to the assembly outer casing via a bracket. A recovery port and a discharge port are installed at the upper end of the assembly outer casing. The discharge port, recovery port, hot water pump, steam generator, steam heat exchanger, second water tank, and first water tank are connected by pipes.

[0006] Further improvements include: both the first and second water tanks are made of stainless steel, and a low water level probe and a first high water level probe are installed on the inner side of the first water tank. A circulating water pump is installed above the first water tank, and both ends of the circulating water pump are connected to the first water tank and the steam heat exchanger through pipes.

[0007] A further improvement is that: an insulation layer is provided on the outside of the second water tank, and a second high water level probe is installed on the inside of the second water tank. A water intake pipe is installed inside the second water tank, which passes through the second water tank and the insulation layer and is connected to a hot water pump. The hot water pump is connected to a steam-water mixer through a pipe.

[0008] A further improvement is that the steam heat exchanger is provided with a recovery interface, a first water inlet, a first drain outlet, and a second drain outlet. The recovery interface is connected to the recovery outlet through a pipe, the first drain outlet is connected to the second water tank through a transmission pipe, and the second drain outlet is connected to the first water tank through a pipe.

[0009] A further improvement is that the input end of the steam generator is connected to the transmission pipe via a pipe, and the output end of the steam generator is connected to the input end of the steam-water mixer via a pipe.

[0010] A further improvement is that a heat dissipation vent is installed on one side of the hot water pump on the outer casing, and several groups of heat dissipation vents are evenly arranged.

[0011] A further improvement is that a protective door is installed on one side of the assembly outer box, and the position of the protective door corresponds to the top of the first partition. A control display and an electrical cabinet are installed on the assembly outer box.

[0012] A further improvement is that a temperature sensor is installed on the inside of the second water tank.

[0013] The beneficial effects of this invention are as follows:

[0014] (1) The present invention adopts an integrated design, which increases the overall internal space utilization and occupies less external space. It also adopts a steam-water mixer and uses a steam and water mixed heating method to avoid the situation of long heating time or high local temperature caused by a single heating method, so that the reacting materials are in a uniform heating process.

[0015] (2) The heated water provided by the present invention is a closed system. By recovering and reusing heat energy, the waste of heat energy and heated water is avoided. Thus, the present invention has the effects of reuse and energy saving. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a front view structural diagram of the present invention.

[0018] Figure 2 This is a front view schematic diagram of the present invention.

[0019] Figure 3 This is a front view schematic diagram of the second water tank structure of the present invention.

[0020] Figure 4 This is a front view schematic diagram of the steam heat exchanger of the present invention.

[0021] The components include: 1. Outer casing; 2. First water tank; 3. Second water tank; 4. First partition; 5. Steam heat exchanger; 6. Steam generator; 7. Hot water pump; 8. Second partition; 9. Recovery port; 10. Discharge port; 11. Low water level probe; 12. First high water level probe; 13. Circulating water pump; 14. Insulation layer; 15. Second high water level probe; 16. Water intake pipe; 17. Recovery interface; 18. First water inlet; 19. First drain outlet; 20. Second drain outlet; 21. Transmission pipe; 22. Heat dissipation vent; 23. Protective door; 24. Control display; 25. Electrical cabinet; 26. Temperature sensor; 27. Steam-water mixer; 28. Upper assembly shell; 29. ​​Lower assembly shell; 30. Fixing plate; 31. Water supply pipe; 32. Upper water tank shell; 33. Lower water tank shell; 34. Sealing ring; 35. Casters. Detailed Implementation

[0022] To enhance understanding of the present invention, the present invention will be further described in detail below with reference to embodiments. These embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0023] according to Figure 1 - Figure 4This embodiment proposes a heating device for the production process of acrylic pressure-sensitive adhesive, including an assembly outer box 1. Four sets of casters 35 are evenly arranged below the assembly outer box 1. In this embodiment, the assembly outer box 1 has a split design, consisting of an upper assembly shell 28 and a lower assembly shell 29. A fixing plate 30 is provided on the outer side of the connection point, and two sets of fixing plates 30 are symmetrically arranged. The fixing plates 30 are connected to the upper assembly shell 28 and the lower assembly shell 29 by bolts. The split design facilitates disassembly, thereby facilitating maintenance and cleaning by workers. Additionally, one side of the assembly outer box 1... A protective door 23 is installed, and the position of the protective door 23 corresponds to the top of the first partition 4. A control display 24 and an electrical cabinet 25 are installed on the outer casing 1. In this embodiment, the control display 24 is the main control terminal of the present invention, that is, all electronic components in the present invention are electrically connected to it and controlled by it, and the corresponding related information is also sent back to the control display 24. The electrical cabinet 25 is responsible for power distribution and control of the electrical equipment in the present invention, distributing electrical energy to various load parts. On the other hand, when the circuit is overloaded, short-circuited, or leaking, the electrical cabinet can provide power outage protection to ensure electrical safety.

[0024] Inside the outer casing 1, a first water tank 2 and a second water tank 3 are installed at the bottom. Both water tanks 2 and 3 are made of stainless steel, which has good corrosion resistance and mechanical properties. A low-level probe 11 and a high-level probe 12 are installed inside the first water tank 2. The main function of the low-level probe 11 and the high-level probe 12 is to monitor the water level in the first water tank 2. A circulating water pump 13 is installed above the first water tank 2. Both ends of the circulating water pump 13 are connected to the first water tank 2 and steam for heat exchange via pipes. The device 5 is connected, specifically the first water tank 2 is connected to the input end of the circulating water pump 13 through a pipe, so the circulating water pump 13 transports the water in the first water tank 2 to the steam heat exchanger 5. Furthermore, the first water tank 2 is also equipped with a water supply pipe 31, and an electric control valve is installed on the water supply pipe 31. When working, the water supply pipe 31 needs to be connected to the external water supply pipe. When the water level in the first water tank 2 is low, the electric control valve is opened, and water is transported from the outside to the first water tank 2 until the first high water level probe 12 detects that the corresponding water level has reached the predetermined position.

[0025] The outer side of the second water tank 3 is fitted with an insulation layer 14. The insulation layer 14, together with the second water tank 3, provides insulation. Correspondingly, in this embodiment, the second water tank 3 also adopts a split design, consisting of an upper water tank shell 32 and a lower water tank shell 33. Figure 3As shown, two sets of symmetrically arranged sealing rings 34 are provided at the connection between the upper water tank shell 32 and the lower water tank shell 33. The upper water tank shell 32 and the lower water tank shell 33 are connected by bolts. Since the second water tank 3 mainly serves to store hot water, it adopts a split design to facilitate subsequent cleaning. A second high water level probe 15 is installed inside the second water tank 3. A water intake pipe 16 is installed inside the second water tank 3. The water intake pipe 16 passes through the second water tank 3 and the insulation layer 14 and is connected to the hot water pump 7. Specifically, it is connected to the input end of the hot water pump 7. The output end of the hot water pump 7 is connected to the steam-water mixer 27 through a pipe. Therefore, when working, the hot water pump 7 delivers the water in the second water tank 3 to the steam-water mixer 27. At the same time, a temperature sensor 26 is installed inside the second water tank 3 to monitor the temperature of the water in the second water tank 3.

[0026] A first partition 4 is provided above the first water tank 2. A steam heat exchanger 5, a steam generator 6, and a hot water pump 7 are respectively installed on the first partition 4. The steam heat exchanger 5, the steam generator 6, and the hot water pump 7 are all connected to the outer casing 1 via brackets. Figure 1 As shown, the steam heat exchanger 5 is equipped with a recovery port 17, a first inlet 18, a first outlet 19, and a second outlet 20. The recovery port 17 is connected to the recovery port 9 through a pipe. During operation, the recovery port 9 is connected to the output end of the external heating container. The first outlet 19 is connected to the second water tank 3 through a transmission pipe 21. The second outlet 20 is connected to the first water tank 2 through a pipe. During operation, the recovery port 17 recovers water from the external heating container and then enters the steam heat exchanger 5. At the same time, the circulating water pump 13 draws water from the first water tank 2 into the steam heat exchanger 5 through the first inlet 18 (which is connected to the output end of the first circulating water pump 13 through a pipe). The water then exchanges heat with the recovered steam, thereby preheating the incoming feed water by recovering the heat energy of the steam. The condensate generated after the heat exchange returns to the first water tank 2 through the second outlet 20. The heated water enters the second water tank 3 through the first outlet 19, thus forming a water cycle that simultaneously recovers and utilizes heat energy.

[0027] Furthermore, the input end of the steam generator 6 is connected to the transmission pipe 21 via a pipe, and the output end of the steam generator 6 is connected to the input end of the steam-water mixer 27 via a pipe. Thus, in this embodiment, the water heated by heat exchange is simultaneously supplied to the steam generator 6 and the hot water pump 7, thereby improving the utilization rate.

[0028] A second partition 8 is provided above the corresponding steam heat exchanger 5. Both the second partition 8 and the first partition 4 are connected to the assembly outer box 1. A steam-water mixer 27 is provided above the second partition 8, and the steam-water mixer 27 is connected to the assembly outer box 1 through a bracket. A recovery port 9 and an outlet 10 are installed at the upper end of the assembly outer box 1. The outlet 10, the recovery port 9, the hot water pump 7, the steam generator 6, the steam heat exchanger 5, the second water tank 3, and the first water tank 2 are connected by pipes. A heat dissipation port 22 is installed on one side of the hot water pump 7 on the assembly outer box 1, and several sets of heat dissipation ports 22 are evenly arranged.

[0029] During operation, steam is generated by steam generator 6 and enters steam-water mixer 27, where it is mixed with water. Then, it enters external heating container through outlet 10 and is heated in the process of producing acrylic pressure-sensitive adhesive using a mixed heating method. During the heating process, the mixed gas returns to the device through recovery port 9 and exchanges heat with water from first water tank 2 through steam heat exchanger 5. The heated water enters the corresponding device, and the water that has been condensed after heat exchange returns to first water tank 2, thus achieving a circulation effect.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heating device for the production process of acrylic pressure-sensitive adhesive, comprising an assembly outer casing (1), characterized in that: The bottom of the assembly outer casing (1) is respectively equipped with a first water tank (2) and a second water tank (3). A first partition (4) is provided above the first water tank (2). A steam heat exchanger (5), a steam generator (6) and a hot water pump (7) are respectively installed on the first partition (4). A second partition (8) is provided above the steam heat exchanger (5). The second partition (8) and the first partition (4) are both connected to the assembly outer casing (1). A steam-water mixer (27) is provided above the second partition (8), and the steam-water mixer (27) is connected to the assembly outer casing (1) through a bracket. A recovery port (9) and a discharge port (10) are installed at the upper end of the assembly outer casing (1). The discharge port (10) and the recovery port (9) are connected to the assembly outer casing (1) through a bracket. The inlet (9), hot water pump (7), steam generator (6), steam heat exchanger (5), second water tank (3), and first water tank (2) are connected by pipes. A circulating water pump (13) is installed above the first water tank (2). Both ends of the circulating water pump (13) are connected to the first water tank (2) and the steam heat exchanger (5) through pipes. An insulation layer (14) is provided on the outside of the second water tank (3). A water intake pipe (16) is installed inside the second water tank (3). The water intake pipe (16) passes through the second water tank (3) and the insulation layer (14) and is connected to the input end of the hot water pump (7). The output end of the hot water pump (7) is connected to the steam-water mixer (27) through a pipe. The steam heat exchanger (9), hot water pump (7), steam generator (6), steam heat exchanger (5), second water tank (3), and first water tank (2) are connected by pipes. 5) It is equipped with a recycling interface (17), a first water inlet (18), a first drain outlet (19), and a second drain outlet (20). The recycling interface (17) is connected to the recycling outlet (9) through a pipe. The first drain outlet (19) is connected to the second water tank (3) through a transmission pipe (21). The second drain outlet (20) is connected to the first water tank (2) through a pipe. The input end of the steam generator (6) is connected to the transmission pipe (21) through a pipe, and the output end of the steam generator (6) is connected to the input end of the steam-water mixer (27) through a pipe. When working, the recycling interface (17) recovers water from the external heating container and then enters the steam heat exchanger (5). At the same time, the circulating water pump (13) Water from the first water tank (2) enters the steam heat exchanger (5) through the first inlet (18) and then exchanges heat with the recovered steam. The heat energy of the recovered steam is used to preheat the incoming feed water. The condensate generated after the heat exchange returns to the first water tank (2) through the second drain (20). The heated water enters the second water tank (3) through the first drain (19), thus forming a water cycle. During operation, steam is generated by the steam generator (6) and enters the steam-water mixer (27), where it is mixed with the water. The mixture then enters the external heating container through the outlet (10) and is heated in the process of producing acrylic pressure-sensitive adhesive by a mixed heating method.

2. The heating device for the production process of acrylic pressure-sensitive adhesive according to claim 1, characterized in that: The first water tank (2) and the second water tank (3) are both made of stainless steel, and the inner side of the first water tank (2) is equipped with a low water level probe (11) and a first high water level probe (12).

3. The heating device for the production process of acrylic pressure-sensitive adhesive according to claim 1, characterized in that: A second high water level probe (15) is installed on the inner side of the second water tank (3).

4. The heating device for the production process of acrylic pressure-sensitive adhesive according to claim 1, characterized in that: The hot water pump (7) has a heat dissipation port (22) installed on one side of the assembly casing (1), and the heat dissipation port (22) is evenly arranged in several groups.

5. The heating device for the production process of acrylic pressure-sensitive adhesive according to claim 1, characterized in that: A protective door (23) is installed on one side of the assembly outer box (1), and the position of the protective door (23) corresponds to the top of the first partition (4). A control display (24) and an electrical cabinet (25) are installed on the assembly outer box (1).

6. The heating device for the production process of acrylic pressure-sensitive adhesive according to claim 1, characterized in that: A temperature sensor (26) is installed on the inside of the second water tank (3).

Images