Vacuum mixing and stirring tank for paraffin phase-change material

Abstract

The utility model discloses a paraffin phase change material vacuum mixing and stirring tank, which comprises a tank body and a preheating mechanism, the upper end of the tank body is fixedly connected with a support frame, the upper end of the tank body is rotatably provided with an end cover, the upper end of the support frame is provided with a motor, and the motor is connected with the preheating mechanism. An output shaft of the motor is fixedly connected with a transmission shaft, the transmission shaft is connected with a rotating shaft through a first synchronous belt, the lower end of the rotating shaft is fixedly connected with a stirring rod, and the lower end of the tank body is fixedly connected with a discharging port. Stirring and preheating are synchronously carried out, an additional power source is not needed, and the working efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of material mixing technology, and in particular to a vacuum mixing and stirring tank for paraffin phase change materials. Background Technology

[0002] In the field of material mixing equipment, mixing tanks are commonly used equipment.

[0003] Existing technologies, such as the "Three-Layer Vacuum Mixing Tank for Improving the Mixing Efficiency of a Device" published in CN208612283U, achieve mixing of materials inside the tank by setting a rotating motor at the center of the bottom of the tank and using the main connecting rod, secondary connecting rod and stirring rod in combination. At the same time, the special structure of the tank facilitates the heating operation during the mixing process of the raw materials inside, which improves the mixing effect and heating convenience to a certain extent.

[0004] However, in terms of heating and temperature control, although this technical solution has a heating function, it still heats the tank directly through heating elements. The temperature control accuracy and stability of this heating method are not good, and it cannot meet the strict requirements of paraffin phase change materials for mixing temperature, which affects the further improvement of mixing efficiency. In addition, the residual heat of the tank is difficult to recover and the energy consumption is large.

[0005] Based on this, this utility model proposes a novel vacuum mixing and stirring tank for paraffin phase change materials. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a vacuum mixing and stirring tank for paraffin phase change materials.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A vacuum mixing tank for paraffin phase change material includes a tank body and a preheating mechanism. A support frame is fixedly connected to the upper end of the tank body, and an end cover is rotatably installed on the upper end of the tank body. A motor is installed on the upper end of the support frame, and a transmission shaft is fixedly connected to the output shaft of the motor. The transmission shaft is connected to a rotating shaft via a first synchronous belt, and a stirring rod is fixedly connected to the lower end of the rotating shaft. A discharge port is fixedly connected to the lower end of the tank body.

[0009] The preheating mechanism is used to heat and preheat the tank.

[0010] Preferably, a device box is fixedly connected to one side wall of the support frame, a support base is fixedly connected to the lower end of the inner wall of the device box, the transmission shaft is connected to a reciprocating lead screw via a second synchronous belt, the reciprocating lead screw is rotatably connected to the upper end of the support base, and a lead screw sleeve is threadedly connected to the outer wall of the reciprocating lead screw.

[0011] Preferably, the preheating mechanism includes a piston cylinder fixedly connected to the lower end of the inner wall of the device box and a piston slidably connected in the piston cylinder. The upper end of the piston is fixedly connected to the lower end of the lead screw sleeve. A suction tube is fixedly connected to the upper end of the piston cylinder, and an extrusion tube is fixedly connected to the upper end of the piston cylinder.

[0012] Preferably, the tank body is provided with a jacket, and a heating tube is wound inside the jacket of the tank body.

[0013] Preferably, the heating tube is fixedly connected to the extrusion tube, and a one-way valve is provided inside the suction tube, the heating tube, and the extrusion tube.

[0014] Preferably, a vacuum tank is fixedly connected to the side wall of the support frame, a vacuum tube is fixedly connected to the lower end of the vacuum tank, the end of the vacuum tube away from the vacuum tank is fixedly connected to the tank body, and multiple feeding ports are provided at the upper end of the end cap.

[0015] This utility model has the following beneficial effects:

[0016] 1. The motor drives the stirring rod to rotate via a synchronous belt to mix the materials. At the same time, the transmission shaft links the reciprocating screw to drive the piston cylinder of the preheating mechanism, so that stirring and preheating are carried out simultaneously without the need for an additional power source, thus improving work efficiency. The stirring rod rotates inside the tank, which can fully stir the paraffin phase change material. Combined with the vacuum environment created by the vacuum tank, it can effectively prevent material oxidation and ensure mixing quality.

[0017] 2. The piston is driven by a lead screw to slide back and forth in the piston cylinder, realizing the pumping of the heat transfer medium. The tank jacket is circulated and heated by the heating pipe, which can accurately control the internal temperature of the tank and keep the paraffin phase change material in the optimal mixing temperature state. The one-way valve ensures that the heat transfer medium flows in one direction, forming a stable heating circulation system, avoiding heat loss, improving preheating efficiency and temperature control stability, and optimizing the mixing process conditions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a vacuum mixing and stirring tank for paraffin phase change materials proposed in this utility model;

[0019] Figure 2 This is a rear view of a vacuum mixing and stirring tank for paraffin phase change materials proposed in this utility model;

[0020] Figure 3 This is a sectional view of the internal structure of the support frame;

[0021] Figure 4 This is a schematic diagram of the internal structure of tank 1;

[0022] Figure 5 for Figure 2Enlarged structural diagram at point A;

[0023] Figure 6 for Figure 3 Enlarged structural diagram at point B

[0024] In the diagram: 1. Tank body, 2. End cap, 3. Support frame, 4. Vacuum tank, 5. Motor, 6. Device box, 7. Discharge port, 8. Stirring rod, 201. Feeding port, 301. Drive shaft, 302. First synchronous belt, 303. Rotating shaft, 304. Second synchronous belt, 305. Reciprocating screw, 307. Support base, 308. Screw sleeve, 309. Piston cylinder, 310. Piston, 401. Vacuum tube, 601. Extrusion tube, 602. Heating tube, 603. Suction tube. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] Reference Figure 1-6 A vacuum mixing tank for paraffin phase change material includes a tank body 1, a preheating mechanism, a support frame 3 fixedly connected to the upper end of the tank body 1, an end cover 2 rotatably mounted on the upper end of the tank body 1, a motor 5 mounted on the upper end of the support frame 3, a transmission shaft 301 fixedly connected to the output shaft of the motor 5, a rotating shaft 303 connected to the transmission shaft 301 via a first synchronous belt 302, a stirring rod 8 fixedly connected to the lower end of the rotating shaft 303, and a discharge port 7 fixedly connected to the lower end of the tank body 1.

[0027] The preheating mechanism is used to heat and preheat tank 1.

[0028] A device box 6 is fixedly connected to one side wall of the support frame 3. A support base 307 is fixedly connected to the lower end of the inner wall of the device box 6. A drive shaft 301 is connected to a reciprocating screw 305 via a second synchronous belt 304. The reciprocating screw 305 is rotatably connected to the upper end of the support base 307. A screw sleeve 308 is threadedly connected to the outer wall of the reciprocating screw 305. The preheating mechanism includes a piston cylinder 309 fixedly connected to the lower end of the inner wall of the device box 6 and a piston 310 slidably connected within the piston cylinder 309. The upper end of the piston 310 is fixedly connected to the lower end of the screw sleeve 308. A suction pipe 603 is fixedly connected to the upper end of the piston cylinder 309, and an extrusion pipe 601 is fixedly connected to the upper end of the piston cylinder 309. A jacket is provided inside the tank body 1, and a heating pipe 602 is wound inside the jacket of the tank body 1. Heating tube 602 is fixedly connected to extrusion tube 601. One-way valves are installed in suction tube 603, heating tube 602, and extrusion tube 601. Vacuum tank 4 is fixedly connected to the side wall of support frame 3. Vacuum tube 401 is fixedly connected to the lower end of vacuum tank 4. The end of vacuum tube 401 away from vacuum tank 4 is fixedly connected to tank body 1. Multiple feeding ports 201 are provided at the upper end of end cap 2.

[0029] It should be further noted that the outlet of the heating tube 602 and the suction port of the suction tube 603 are both fixedly connected to the external heating equipment.

[0030] It should be further noted that pressure and temperature sensors are installed on tank 1 to detect temperature and internal vacuum pressure.

[0031] It should be further explained that the support frame 3 has a groove on the side near the device box 6, and the second synchronous belt 304 passes through the groove and connects to the reciprocating lead screw 305.

[0032] In this invention, the specific method of using the device is as follows: the material is added into the tank 1 through the feeding port 201, and then the motor 5 is started. Its output shaft drives the transmission shaft 301 to rotate, and the power is transmitted to the rotating shaft 303 through the first synchronous belt 302, thereby causing the stirring rod 8 fixed at the lower end to rotate and stir inside the tank 1, performing preliminary mixing of the paraffin phase change material. At the same time, the transmission shaft 301 drives the reciprocating screw 305 to rotate through the second synchronous belt 304. With the support of the support base 307, the reciprocating screw 305 maintains stable rotation. Since the screw sleeve 308 is threaded to the outer wall of the reciprocating screw 305, the screw sleeve 308 will reciprocate linearly along the axial direction of the reciprocating screw 305 as the reciprocating screw 305 rotates.

[0033] The reciprocating linear motion of the lead screw sleeve 308 drives the piston 310, which is fixedly connected to its lower end, to reciprocate within the piston cylinder 309. When the piston 310 slides upward, a negative pressure is created within the piston cylinder 309. Under the action of the one-way valve, the suction pipe 603 opens, drawing the heat-conducting medium heated by the external heating device into the piston cylinder 309. When the piston 310 slides downward, the pressure within the piston cylinder 309 increases, and the one-way valve of the extrusion pipe 601 opens, extruding the heat-conducting medium within the piston cylinder 309 through the extrusion pipe 601.

[0034] The extruded heat-conducting medium enters the heating tube 602 wound inside the jacket of the tank 1. As the medium flows within the heating tube 602, it transfers heat to the tank 1, preheating and raising the temperature of the paraffin phase change material inside to a suitable mixing temperature. After heat transfer is complete, the medium flows out through the outlet, is reheated by an external heating device, and is then drawn back into the piston cylinder 309 through the suction port of the suction tube 603. This cycle continues, achieving continuous heating of the tank 1.

[0035] In addition, the vacuum tank 4, which is fixedly connected to the side wall of the support frame 3, is connected to the tank body 1 through a vacuum tube 401. Before or during the mixing operation, the vacuum tank 4 can be activated to extract the air from the tank body 1 through the vacuum tube 401, thereby creating a vacuum environment inside the tank body 1. This prevents the paraffin phase change material from reacting with oxygen and other components in the air during the mixing process, ensuring the mixing quality and material properties.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A vacuum mixing and stirring tank for paraffin phase change materials, comprising a tank body (1), a preheating mechanism, characterized in that, The upper end of the tank (1) is fixedly connected to a support frame (3), and the upper end of the tank (1) is rotatably provided with an end cover (2). The upper end of the support frame (3) is provided with a motor (5). The output shaft of the motor (5) is fixedly connected to a transmission shaft (301). The transmission shaft (301) is connected to a rotating shaft (303) through a first synchronous belt (302). The lower end of the rotating shaft (303) is fixedly connected to a stirring rod (8). The lower end of the tank (1) is fixedly connected to a discharge port (7). The preheating mechanism is used to heat and preheat the tank (1). The preheating mechanism includes a piston cylinder (309) fixedly connected to the lower end of the inner wall of the device box (6) and a piston (310) slidably connected in the piston cylinder (309). The upper end of the piston (310) is fixedly connected to the lower end of the lead screw sleeve (308). The upper end of the piston cylinder (309) is fixedly connected to a suction tube (603) and an extrusion tube (601).

2. The vacuum mixing and stirring tank for paraffin phase change materials according to claim 1, characterized in that, A device box (6) is fixedly connected to one side wall of the support frame (3). A support base (307) is fixedly connected to the lower end of the inner wall of the device box (6). The transmission shaft (301) is connected to a reciprocating screw (305) through a second synchronous belt (304). The reciprocating screw (305) is rotatably connected to the upper end of the support base (307). A screw sleeve (308) is threadedly connected to the outer wall of the reciprocating screw (305) in the axial direction.

3. The vacuum mixing and stirring tank for paraffin phase change materials according to claim 1, characterized in that, The tank (1) has an inner layer, and a heating tube (602) is wound inside the inner layer of the tank (1).

4. The vacuum mixing and stirring tank for paraffin phase change materials according to claim 3, characterized in that, The heating tube (602) is fixedly connected to the extrusion tube (601), and a one-way valve is provided in the suction tube (603), the heating tube (602), and the extrusion tube (601).

5. The vacuum mixing and stirring tank for paraffin phase change materials according to claim 1, characterized in that, The side wall of the support frame (3) is fixedly connected to a vacuum tank (4), and the lower end of the vacuum tank (4) is fixedly connected to a vacuum tube (401). The end of the vacuum tube (401) away from the vacuum tank (4) is fixedly connected to the tank body (1). The upper end of the end cap (2) is provided with multiple feeding ports (201).

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