Uniform preheating device

Abstract

The utility model discloses a uniform preheating device, which belongs to the technical field of epoxy resin production and comprises a heat transfer box, a heat transfer cavity formed in the heat transfer box, a stirring box connected with the heat transfer box in a penetrating manner, a feeding pipe communicated with the upper end of the stirring box, a stirring cavity formed in the stirring box, a stirring assembly arranged in the stirring box and a heat conveying assembly arranged at the outer end of the heat transfer box, the heat supply assembly comprises a water storage tank connected to the peripheral side of the heat transfer tank, the upper end of the water storage tank communicates with a circulating pump, the circulating pump communicates with a water supply pipe, the water supply pipe communicates with the heat transfer tank, and the end, away from the water supply pipe, of the water storage tank communicates with a water return pipe communicating with the heat transfer tank. According to the epoxy resin powder preheating device, epoxy resin powder can be stirred so as to be uniformly preheated, meanwhile, hot water is circularly supplied, and the heating efficiency of epoxy resin and the utilization efficiency of the hot water are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of epoxy resin production, in particular to a uniform preheating device. Background Art

[0002] Epoxy resin is a general term for a class of polymers containing more than two epoxy groups in the molecule. It is a condensation product of epichlorohydrin and bisphenol A or polyols. Due to the chemical activity of the epoxy group, it can be opened with a variety of compounds containing active hydrogen, cured and cross-linked to form a network structure, so it is a thermosetting resin. Bisphenol A type epoxy resin not only has the largest output and the most complete variety, but also new modified varieties are still increasing and the quality is constantly improving. In the production and preparation process of the adhesive, the epoxy resin needs to be placed in a heating furnace to be preheated at 45℃-50℃;

[0003] In the existing technology, the damp epoxy resin needs to be heated to evaporate the water vapor in the epoxy resin. However, during the evaporation process, the epoxy resin is heated unevenly and the utilization rate of hot water is low. Therefore, we propose a uniform preheating device. Utility Model Content

[0004] The purpose of the utility model is to provide a uniform preheating device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a uniform preheating device, comprising a heat transfer box, a heat transfer cavity is provided in the heat transfer box, a stirring box is connected through the heat transfer box, a feeding pipe is connected to the upper end of the stirring box, a stirring cavity is provided in the stirring box, a stirring assembly is provided in the stirring box, a heat delivery assembly is provided at the outer end of the heat transfer box, the heat delivery assembly comprises a water storage tank connected to the outer peripheral side of the heat transfer box, a circulation pump is connected to the upper end of the water storage tank, the circulation pump is connected to a water delivery pipe, the water delivery pipe is connected to the heat transfer box, and a return water pipe is connected to the water storage tank at one end away from the water delivery pipe, and the return water pipe is connected to the heat transfer box.

[0006] Preferably, the stirring assembly comprises a motor connected to the upper end of the stirring box, the output end of the motor is connected to a rotating shaft, and the outer peripheral side of the rotating shaft is connected to a plurality of evenly distributed stirring bars.

[0007] Preferably, the rotating shaft is rotatably connected to the mixing box via a bearing.

[0008] Preferably, the lower end of the heat transfer box is connected to a plurality of evenly distributed brackets, and the lower end of each bracket is connected to a pad.

[0009] Preferably, the lower end of the mixing box is connected to a discharge pipe, and a solenoid valve is arranged on the outside of the discharge pipe.

[0010] Preferably, the motor is electrically connected to an external power source.

[0011] Compared with the prior art, the utility model has the following beneficial effects: a heat transfer box, a stirring box, a heat delivery component, a stirring chamber, a stirring component, a heat transfer chamber, a bracket, a discharge pipe, an electromagnetic valve and a pad are provided to complete the addition of epoxy resin from the feeding pipe into the stirring chamber, and then the motor and the circulating pump are powered, at which time the output end of the motor drives the rotating shaft to rotate and then drives the stirring bar to rotate, the stirring bar stirs the epoxy resin in the stirring chamber, the circulating pump draws out the hot water in the water storage tank, at which time the hot water in the water storage tank enters the heat transfer chamber, the hot water heats the stirring box, due to the operation of the circulating pump, the hot water circulates in the heat transfer chamber for one cycle and then returns to the water storage tank through the return pipe, the utility model realizes the stirring of the epoxy resin powder and the uniform preheating, and also circulates the hot water for heat delivery, thereby improving the heating efficiency of the epoxy resin and the utilization efficiency of the hot water. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the heat delivery component of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the stirring component of the utility model.

[0016] In the figure: 1. heat transfer box; 2. stirring box; 3. heat delivery component; 301. water storage tank; 302. circulation pump; 303. water supply pipe; 304. return pipe; 4. stirring chamber; 5. stirring component; 501. motor; 502. rotating shaft; 503. stirring bar; 6. heat transfer chamber; 7. bracket; 8. discharge pipe; 9. solenoid valve; 10. pad; 11. feeding pipe. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-4The utility model provides a technical solution: a uniform preheating device, comprising a heat transfer box 1, a heat transfer cavity 6 is defined in the heat transfer box 1, a stirring box 2 is connected through the heat transfer box 1, a feeding pipe 11 is connected to the upper end of the stirring box 2, a stirring cavity 4 is defined in the stirring box 2, a stirring assembly 5 is provided in the stirring box 2, a heat delivery assembly 3 is provided at the outer end of the heat transfer box 1, the heat delivery assembly 3 comprises a water storage tank 301 connected to the outer peripheral side of the heat transfer box 1, a circulation pump 302 is connected to the upper end of the water storage tank 301, a water delivery pipe 303 is connected to the water transfer box 1, a return water pipe 304 is connected to the end of the water storage tank 301 away from the water delivery pipe 303, and the return water pipe 304 is connected to the heat transfer box 1.

[0019] Specifically, the stirring assembly 5 includes a motor 501 connected to the upper end of the stirring box 2, the output end of the motor 501 is connected to a rotating shaft 502, and the outer peripheral side of the rotating shaft 502 is connected to a plurality of evenly distributed stirring bars 503, and the stirring assembly is provided to achieve the stirring action of epoxy resin powder; the rotating shaft 502 is rotatably connected to the stirring box 2 through a bearing to ensure that the rotating shaft does not interfere with the stirring box; the lower end of the heat transfer box 1 is connected to a plurality of evenly distributed brackets 7, and the lower end of each bracket 7 is connected to a pad 10, and the brackets and pads are provided to achieve the stable support action of the heat transfer box; the lower end of the stirring box 2 is connected to a discharge pipe 8, and an electromagnetic valve 9 is provided on the outer side of the discharge pipe 8, and the discharge pipe and the electromagnetic valve are provided to achieve the discharge action of the evenly heated epoxy resin powder; the motor 501 is electrically connected to an external power supply to ensure that the motor can operate normally.

[0020] Working principle: add epoxy resin into the stirring chamber from the feeding pipe, then power the motor and the circulating pump, at this time the output end of the motor drives the rotating shaft to rotate and then drives the stirring bar to rotate, the stirring bar stirs the epoxy resin in the stirring chamber, the circulating pump draws out the hot water in the water tank, at this time the hot water in the water tank enters the heat transfer chamber, the hot water heats the stirring tank, due to the operation of the circulating pump, the hot water circulates through the heat transfer chamber for one cycle and then returns to the water tank through the return pipe, the utility model realizes the stirring of the epoxy resin powder and the uniform preheating, and also circulates the hot water for heat delivery, thereby improving the heating efficiency of the epoxy resin and the utilization efficiency of the hot water.

[0021] Although 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 uniform preheating device, comprising a heat transfer box (1), characterized in that: The heat transfer box (1) is provided with a heat transfer cavity (6). The heat transfer box (1) is connected with a stirring box (2) through it. The upper end of the stirring box (2) is connected with a feeding pipe (11). The stirring box (2) is provided with a stirring cavity (4). The stirring box (2) is provided with a stirring assembly (5). The outer end of the heat transfer box (1) is provided with a heat delivery assembly (3). The heat delivery assembly (3) comprises a water storage tank (301) connected to the outer peripheral side of the heat transfer box (1). The upper end of the water storage tank (301) is connected with a circulation pump (302). The circulation pump (302) is connected with a water delivery pipe (303). The water delivery pipe (303) is connected with the heat transfer box (1). The end of the water storage tank (301) away from the water delivery pipe (303) is connected with a return water pipe (304). The return water pipe (304) is connected with the heat transfer box (1).

2. A uniform preheating device according to claim 1, characterized in that: The stirring assembly (5) comprises a motor (501) connected to the upper end of the stirring box (2); the output end of the motor (501) is connected to a rotating shaft (502); and the outer peripheral side of the rotating shaft (502) is connected to a plurality of evenly distributed stirring bars (503).

3. A uniform preheating device according to claim 2, characterized in that: The rotating shaft (502) is rotatably connected to the mixing box (2) via a bearing.

4. A uniform preheating device according to claim 1, characterized in that: The lower end of the heat transfer box (1) is connected to a plurality of evenly distributed brackets (7), and the lower end of each bracket (7) is connected to a pad (10).

5. A uniform preheating device according to claim 1, characterized in that: The lower end of the mixing box (2) is connected to a discharge pipe (8), and a solenoid valve (9) is arranged on the outside of the discharge pipe (8).

6. A uniform preheating device according to claim 2, characterized in that: The motor (501) is electrically connected to an external power source.

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