Mixing and cooling device for preparing PVC (polyvinyl chloride) compound stabilizer

Abstract

The utility model discloses a material mixing and cooling device for preparing a PVC (polyvinyl chloride) compound stabilizer, which relates to the technical field of PVC compound stabilizer production equipment, and comprises a material mixing mechanism and a cooling mechanism, the material mixing mechanism comprises a material mixing tank, a sealing cover, a motor, a feeding pipe, a discharging pipe and a stirring rod. The cooling coil is arranged in the center of the mixing tank, when the mixing mechanism stirs raw materials in the mixing tank, the raw materials continuously make contact with the surfaces of the spiral cooling pipe and the cooling coil for heat exchange, heat is taken away by cooling liquid, and meanwhile cold air pumped by the cooling fan can be discharged into the air cooling pipe; and the raw materials are uniformly blown into the mixing tank through a plurality of air outlet ends, so that the problem that the raw materials in the center of the mixing tank cannot be cooled in time is solved, the disturbance and heat exchange effects of the materials are enhanced, the cooling uniformity is ensured, the stability of the product quality is improved, and the requirement of efficiently producing the high-quality PVC compound stabilizer is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC composite stabilizer production equipment technical field especially relates to a PVC composite stabilizer preparation is with mixing cooling device. BACKGROUND

[0002] PVC composite stabilizer is a kind of high-efficiency multifunctional product developed using scientific "molecular design" principle and advanced surface treatment technology, mainly used for the stabilization of PVC (polyvinyl chloride) products, it is integrated with heat stabilizer, internal and external lubricant, antioxidant, coupling agent, dispersant and other functions, in the preparation process of PVC composite stabilizer, usually need to mix multiple raw materials, the mixed material is heated after mixing, the material after mixing is often high temperature, then need to use cooling device to cool it, cooling not in time can affect the quality and performance of product, for example, leading to thermal decomposition, caking and other problems of material.

[0003] For example, Chinese patent CN217597559U discloses a PVC environment-friendly composite stabilizer preparation mixing cooling mechanism, which comprises a cooling box, an inlet is arranged at the top end of the cooling box, a cooling pipe, a servo motor, a baffle and a discharge pipe are installed on the cooling box, the top end and the bottom end of the cooling pipe are communicated with the top end and the side wall of the cooling box respectively, a plug-in board, a temperature sensor and a single-chip microcomputer are installed on the baffle, the discharge pipe is installed with discharge pipe one and discharge pipe two, which are communicated with the bottom end of the cooling box, the temperature sensor is electrically connected with the servo motor through the single-chip microcomputer, a motor shaft is installed on the servo motor, a flap is installed on the motor shaft, and the flap is matched with the discharge pipe.

[0004] The traditional cooling device and cooling method have the defects of low cooling efficiency and uneven cooling when cooling the mixed and heated material, which can easily cause local overheating or overcooling of the mixed material, reduces the stability of product quality, and cannot meet the demand of efficient production of high-quality PVC composite stabilizer, so a PVC composite stabilizer preparation mixing cooling device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a PVC composite stabilizer preparation mixing cooling device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a PVC composite stabilizer preparation mixing cooling device, comprising a mixing mechanism and a cooling mechanism, the mixing mechanism comprises a mixing tank, a sealing cover, a motor, a feeding pipe, a discharge pipe and a stirring rod, the top end of the mixing tank is fixedly installed with the bottom of the sealing cover, the top end of the sealing cover is fixedly connected with a cooling fan, and the bottom end of the sealing cover is fixedly connected with a air cooling pipe connected with the air outlet of the cooling fan, a plurality of air outlet heads are arranged in the annular array at the bottom end of the air cooling pipe;

[0007] The cooling mechanism comprises a cooling box, a water pump, a water outlet pipe, a water return pipe one, a spiral cooling pipe, a water return pipe two and a cooling coil pipe, the spiral cooling pipe is fixedly installed on the inner wall of the mixing tank, one end of the water outlet pipe is connected with the cooling box through the water pump, one end of the spiral cooling pipe is fixedly connected with one end of the water outlet pipe, the other end of the spiral cooling pipe is fixedly communicated with one end of the water return pipe one, the water outlet pipe is fixedly communicated with a connecting pipe, the top end of the cooling coil pipe is movably connected with the top end of the stirring rod, one end of the cooling coil pipe at the bottom is fixedly communicated with one end of the connecting pipe through the mixing tank, the other end of the cooling coil pipe at the bottom is fixedly communicated with one end of the water return pipe two through the mixing tank, and one end of the water return pipe one and the water return pipe two is fixedly connected with one end of the cooling box.

[0008] Preferably, one end of the connecting pipe is fixedly connected with an electromagnetic valve, and the outside of the mixing tank is fixedly connected with a temperature sensor.

[0009] Preferably, the bottom of the cooling box is fixedly installed with a supporting plate, and one end of the supporting plate is fixedly installed with the bottom end of the mixing tank.

[0010] Preferably, the output end of the motor is fixedly connected with the top of the stirring rod, and the outer wall of the stirring rod is fixedly connected with a plurality of stirring blades.

[0011] Preferably, one end of the top of the sealing cover is fixedly connected with the bottom of the feeding pipe, and one end of the bottom of the mixing tank is fixedly connected with the top end of the discharging pipe.

[0012] Preferably, one end of the discharging pipe is fixedly connected with a valve, and the bottom end of the stirring rod is rotatably connected with the bottom end of the mixing tank.

[0013] Preferably, the bottom end of the motor is fixedly installed with the top end of the sealing cover.

[0014] Compared with the prior art, the advantages and positive effects of the utility model lie in that:

[0015] 1. The utility model discloses a spiral cooling pipe is installed in the inner wall of mixing tank, and the cooling coil is arranged at the center of mixing tank, and the cooling coil does not hinder the normal stirring of stirring blade, when the mixing mechanism is stirring raw materials in the mixing tank, raw materials are in contact with the surface of spiral cooling pipe and cooling coil constantly and exchange heat, and the heat is taken away by cooling liquid, solve the problem that raw materials in the center of mixing tank cannot be cooled in time, and the operator monitors the raw material temperature in mixing tank in real time through temperature sensor, and the operator adjusts the flow of cooling medium automatically according to temperature information, keeps the raw material temperature in the set range, avoids the defects such as low cooling efficiency and uneven cooling when cooling raw materials, enhances the disturbance and heat exchange effect of material, guarantees the uniformity of cooling, avoids the local overheating or supercooling phenomenon of mixing, improves the stability of product quality, satisfies the demand of efficient production of high-quality PVC composite stabilizer.

[0016] 2. The utility model discloses a cooling fan and air cooling pipe are added on the sealing cover, and the cold air that cooling fan draws in can be discharged into air cooling pipe, then even blowing into mixing tank through a plurality of air outlet end heads, thereby assisting cooling raw materials, enhancing the cooling speed and cooling effect of the device, convenient to use. ACCURACY OF DRAWINGS

[0017] Figure 1 A kind of PVC composite stabilizer preparation is proposed for the utility model to show the schematic diagram of three-dimensional structure of mixing cooling device;

[0018] Figure 2 A kind of PVC composite stabilizer preparation is proposed for the utility model to show the schematic diagram of top structure of mixing cooling device;

[0019] Figure 3 A kind of PVC composite stabilizer preparation is proposed for the utility model to show the schematic diagram of inside top structure of mixing box of mixing cooling device;

[0020] Figure 4 A kind of PVC composite stabilizer preparation is proposed for the utility model to show the front view of mixing cooling device.

[0021] Legend: 1, mixing mechanism;2, cooling mechanism;11, mixing tank;12, sealing cover;13, motor;14, feeding pipe;15, cooling fan;16, discharge pipe;17, valve;18, stirring rod;19, stirring blade;110, temperature sensor;111, air cooling pipe;112, air outlet end head;21, cooling box;22, support plate;23, water pump;24, water outlet pipe;25, return water pipe one;26, spiral cooling pipe;27, connecting pipe;28, electromagnetic valve;29, return water pipe two;210, cooling coil. DETAILED DESCRIPTION

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1: As Figure 1 - Figure 4 As shown, this utility model provides a mixing and cooling device for preparing PVC composite stabilizers, including a mixing mechanism 1 and a cooling mechanism 2. The mixing mechanism 1 includes a mixing tank 11, a sealing cover 12, a motor 13, a feeding pipe 14, a discharging pipe 16, and a stirring rod 18. The top of the mixing tank 11 is fixedly installed with the bottom of the sealing cover 12. A cooling fan 15 is fixedly connected to the top of the sealing cover 12, and a cooling pipe 111 connected to the air outlet of the cooling fan 15 is fixedly connected to the bottom of the sealing cover 12. Multiple air outlets 112 are arranged in a circular array at the bottom of the cooling pipe 111. The cooling mechanism 2 includes a cooling box 21, a water pump 23, a water outlet pipe 24, a first return water pipe 25, a spiral cooling pipe 26, a second return water pipe 29, and a cooling coil 2. 10. The spiral cooling pipe 26 is fixedly installed on the inner wall of the mixing tank 11. One end of the water outlet pipe 24 is connected to the cooling box 21 through the water pump 23. One end of the spiral cooling pipe 26 is fixedly connected to one end of the water outlet pipe 24, and the other end of the spiral cooling pipe 26 is fixedly connected to one end of the return water pipe 25. The water outlet pipe 24 is fixedly connected to the connecting pipe 27. The top end of the cooling coil 210 is movably connected to the top end of the stirring rod 18. One bottom end of the cooling coil 210 passes through the mixing tank 11 and is fixedly connected to one end of the connecting pipe 27. The other bottom end of the cooling coil 210 passes through the mixing tank 11 and is fixedly connected to one end of the return water pipe 29. One end of the return water pipe 25 and the return water pipe 29 are both fixedly connected to one end of the cooling box 21.

[0025] The specific settings and effects of the embodiment are as follows: the spiral cooling pipe 26 is installed on the inner wall of the mixing tank 11, the cooling coil 210 is arranged at the center of the mixing tank 11, and the cooling coil 210 does not hinder the normal stirring of the stirring blades 19. During the stirring of the raw materials in the mixing tank 11 by the mixing mechanism 1, the raw materials are in constant contact with the surfaces of the spiral cooling pipe 26 and the cooling coil 210 for heat exchange, and the heat is taken away by the cooling medium (cooling liquid). By increasing the cooling fan 15 and the air cooling pipe 111 on the sealing cover 12, the cold air sucked by the cooling fan 15 can be discharged into the air cooling pipe 111, and then uniformly blown into the mixing tank 11 through the plurality of air outlet heads 112, thereby assisting in cooling the raw materials. The problem that the raw materials at the center of the mixing tank 11 cannot be cooled in time is solved. At the same time, the operator can monitor the temperature of the raw materials in the mixing tank 11 in real time through the temperature sensor 110. The operator can automatically adjust the flow of the cooling medium according to the temperature information to keep the temperature of the raw materials within the set range, thereby avoiding the defects of low cooling efficiency and uneven cooling when cooling the raw materials. The disturbance and heat exchange effect of the materials are enhanced, the uniformity of cooling is ensured, the local overheating or overcooling of the materials is avoided, the stability of the product quality is improved, and the demand for efficiently producing high-quality PVC composite stabilizer is met.

[0026] Embodiment two: as shown in Figure 1 Figure 4 The one end of the connecting pipe 27 is fixedly connected with the electromagnetic valve 28, the outer side of the mixing tank 11 is fixedly connected with the temperature sensor 110, the bottom of the cooling box 21 is fixedly installed with the support plate 22, one end of the support plate 22 is fixedly installed with the bottom end of the mixing tank 11, the output end of the motor 13 is fixedly connected with the top of the stirring rod 18, the outer wall of the stirring rod 18 is fixedly connected with the plurality of stirring blades 19 in a symmetrical and uniform manner, one end of the top of the sealing cover 12 is fixedly connected with the bottom of the feeding pipe 14, one end of the bottom of the mixing tank 11 is fixedly connected with the top end of the discharging pipe 16, one end of the discharging pipe 16 is fixedly connected with the valve 17, the bottom end of the stirring rod 18 is rotatably connected with the bottom end of the mixing tank 11, and the bottom end of the motor 13 is fixedly installed with the top end of the sealing cover 12.

[0027] The effect of the whole embodiment is that the operator can monitor the temperature of the raw materials in the mixing tank 11 in real time through the temperature sensor 110, and the operator can automatically adjust the flow of the cooling medium according to the temperature information to keep the temperature of the raw materials within the set range.

[0028] ​The method for using and the working principle of the device are as follows: when the device is used for mixing and cooling raw materials, a plurality of raw materials are added into the mixing tank 11 through the feeding pipe 14 according to a mixing ratio, the motor 13, the cooling fan 15, the cooling box 21, the water pump 23 and the electromagnetic valve 28 are turned on, the motor 13 drives the stirring rod 18 and the plurality of stirring blades 19 to rotate in the mixing tank 11, the plurality of stirring blades 19 can mix and stir the raw materials, and the water pump 23 can pump the cooling liquid in the cooling box 21 into the water outlet pipe 24, as shown in FIG. Figure 4 The cooling liquid in the water outlet pipe 24 is directly flowed into the spiral cooling pipe 26, the cooling liquid is finally flowed back into the cooling box 21 through the backwater pipe 1 25 for recycling, and the other part of the cooling liquid in the water outlet pipe 24 is flowed into the cooling coil 210 through the connecting pipe 27, the cooling liquid in the cooling coil 210 is flowed back into the cooling box 21 through the backwater pipe 2 29 for recycling, the spiral cooling pipe 26 is installed on the inner wall of the mixing tank 11, the cooling coil 210 is arranged at the center of the mixing tank 11, and the cooling coil 210 does not hinder the normal stirring of the stirring blades 19, when the mixing mechanism 1 stirs the raw materials in the mixing tank 11, the raw materials are in contact with the surfaces of the spiral cooling pipe 26 and the cooling coil 210 for heat exchange, and the heat is taken away by the cooling liquid, so that the problem that the raw materials at the center of the mixing tank 11 cannot be cooled in time is solved, the temperature of the raw materials in the mixing tank 11 is monitored in real time by the temperature sensor 110, the operator automatically adjusts the flow of the cooling medium according to the temperature information, the temperature of the raw materials is kept in a set range, the defects of low cooling efficiency and uneven cooling when the raw materials are cooled are avoided, the disturbance and heat exchange effect of the materials are enhanced, the uniformity of cooling is ensured, the local overheating or overcooling of the materials is avoided, the stability of the product quality is improved, and the demand for efficiently producing high-quality PVC composite stabilizer is met.

[0029] Meanwhile, the cooling fan 15 and the air cooling pipe 111 are arranged on the sealing cover 12, the cold air drawn in by the cooling fan 15 is discharged into the air cooling pipe 111, and the cold air is uniformly blown into the mixing tank 11 through the plurality of air outlet heads 112, so that the raw materials are assisted to be cooled, the cooling speed and the cooling effect of the device are enhanced, and the device is convenient to use.

[0030] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms, any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A mixing and cooling device for preparing PVC composite stabilizer, comprising a mixing mechanism (1) and a cooling mechanism (2), wherein the mixing mechanism (1) comprises a mixing tank (11), a sealing cover (12), a motor (13), a feeding pipe (14), a discharging pipe (16), and a stirring rod (18), wherein the top of the mixing tank (11) is fixedly installed to the bottom of the sealing cover (12), characterized in that: The top of the sealing cover (12) is fixedly connected to a cooling fan (15), and the bottom of the sealing cover (12) is fixedly connected to a cooling pipe (111) connected to the air outlet of the cooling fan (15). The bottom of the cooling pipe (111) is provided with a plurality of air outlets (112) arranged in a ring array. The cooling mechanism (2) includes a cooling tank (21), a water pump (23), an outlet pipe (24), a return pipe (25), a spiral cooling pipe (26), a return pipe (29), and a cooling coil (210). The spiral cooling pipe (26) is fixedly installed on the inner wall of the mixing tank (11). One end of the outlet pipe (24) is connected to the cooling tank (21) via the water pump (23). One end of the spiral cooling pipe (26) is fixedly connected to one end of the outlet pipe (24), and the other end of the spiral cooling pipe (26) is connected to the return pipe (25). One end of the cooling coil (210) is fixedly connected to the top end of the stirring rod (18). One end of the cooling coil (210) passes through the mixing tank (11) and is fixedly connected to one end of the connecting pipe (27). The other end of the cooling coil (210) passes through the mixing tank (11) and is fixedly connected to one end of the return water pipe (29). One end of the return water pipe (25) and the return water pipe (29) are both fixedly connected to one end of the cooling box (21).

2. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: A solenoid valve (28) is fixedly connected to one end of the connecting pipe (27), and a temperature sensor (110) is fixedly connected to the outside of the mixing tank (11).

3. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: A support plate (22) is fixedly installed at the bottom of the cooling box (21), and one end of the support plate (22) is fixedly installed at the bottom of the mixing tank (11).

4. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: The output end of the motor (13) is fixedly connected to the top of the stirring rod (18), and multiple stirring blades (19) are symmetrically and uniformly fixedly connected to the outer wall of the stirring rod (18).

5. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: The top end of the sealing cap (12) is fixedly connected to the bottom of the feeding pipe (14), and the bottom end of the mixing tank (11) is fixedly connected to the top end of the discharge pipe (16).

6. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: A valve (17) is fixedly connected to one end of the discharge pipe (16), and the bottom end of the stirring rod (18) is rotatably connected to the bottom end of the mixing tank (11).

7. The mixing and cooling device for preparing PVC composite stabilizer according to claim 1, characterized in that: The bottom end of the motor (13) is fixedly installed with the top end of the sealing cover (12).

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