Efficient polystyrene batching device

Abstract

The utility model discloses an efficient polystyrene batching device which comprises a rubber cutting machine, the lower end of the rubber cutting machine is fixedly connected with a rubber grinding machine, the lower end of the rubber grinding machine is fixedly connected with a dissolving tank, and the outer surface of the dissolving tank is fixedly connected with a rubber liquid conveying pump through a pipeline. One end of the rubber solution conveying pump is fixedly connected with a rubber solution buffer tank through a pipeline, a filter is arranged between the rubber solution buffer tank and the rubber solution conveying pump, and rubber is pretreated before being dissolved through the rubber grinding machine and is ground into fine rubber particles, so that the dissolving efficiency is improved; and the dissolving time of rubber and styrene at normal temperature can be shortened to be within 5 hours.

Description

Technical Field

[0001] This utility model relates to the field of polystyrene equipment technology, and in particular to a high-efficiency polystyrene batching device. Background Technology

[0002] Polystyrene (PS) is a widely used polymer material with excellent transparency, rigidity, and processability, commonly used in packaging, electronics, and construction. In the production of HIPS (high-resistance polystyrene), rubber is often added as a modifier. Particularly during the dissolution process of rubber and styrene, traditional methods often require a long time (usually exceeding 10 hours) to achieve complete dissolution due to the long molecular chains of rubber and the poor solubility of styrene. This not only reduces production efficiency but also increases production costs. To address these issues, this invention proposes a polystyrene batching device with a rubber grinding mill, which can shorten the dissolution time of rubber and styrene to less than 5 hours at room temperature. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a highly efficient polystyrene batching device. By using a rubber grinder to pre-treat the rubber before dissolving, the rubber is ground into fine rubber particles to improve the dissolution efficiency, which can shorten the dissolution time of rubber and styrene at room temperature to less than 5 hours.

[0004] This utility model also provides a high-efficiency polystyrene batching device, comprising: a rubber cutter, a rubber grinder fixedly connected to the lower end of the rubber cutter, a dissolving tank fixedly connected to the lower end of the rubber grinder, a glue delivery pump fixedly connected to the outer surface of the dissolving tank via a pipeline, a glue buffer tank fixedly connected to one end of the glue delivery pump via a pipeline, and a filter provided between the glue buffer tank and the glue delivery pump.

[0005] According to the present invention, a high-efficiency polystyrene batching device is provided, wherein the rubber grinding mill is equipped with a screen with a pore size of 5mm to intercept insufficiently ground rubber blocks and avoid excessively large particles from affecting the subsequent dissolution efficiency.

[0006] According to the present invention, a high-efficiency polystyrene batching device is provided, wherein the melting tank is equipped with a temperature control system, which includes a temperature sensor and a cooling device to keep the temperature inside the melting tank at a suitable temperature, thereby assisting in the dissolution of rubber.

[0007] According to the present invention, a high-efficiency polystyrene batching device is provided, wherein the dissolving tank is equipped with a stirrer, which is a three-layer spiral stirrer with multiple layers covering the height of the tank, so that the rubber, styrene and mineral oil are fully mixed and the rubber is dissolved.

[0008] Compared with existing technologies, this highly efficient polystyrene batching device pre-treats the rubber before dissolving it using a rubber grinder, grinding the rubber into fine rubber particles to improve dissolution efficiency. This reduces the dissolution time of rubber and styrene at room temperature to less than 5 hours. Attached Figure Description

[0009] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0010] Figure 1 This is an overall structural diagram of the high-efficiency polystyrene batching device of this utility model;

[0011] Figure 2 This is a schematic diagram of the original polystyrene formulation.

[0012] Legend:

[0013] 1. Rubber cutter; 2. Rubber grinder; 3. Dissolving tank; 4. Rubber transfer pump; 5. Filter; 6. Rubber buffer tank. Detailed Implementation

[0014] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0015] Reference Figure 1 This utility model provides an efficient polystyrene batching device, comprising: a rubber cutter 1, a rubber grinder 2 fixedly connected to the lower end of the rubber cutter 1, a screen with a mesh size of 5mm inside the rubber grinder 2, a dissolving tank 3 fixedly connected to the lower end of the rubber grinder 2, a temperature control system installed inside the dissolving tank 3, the temperature control system including a temperature sensor and a cooling device, a stirrer installed inside the dissolving tank 3, the stirrer being a three-layer spiral stirrer, a glue delivery pump 4 fixedly connected to the outer surface of the dissolving tank 3 via a pipeline, a glue buffer tank 6 fixedly connected to one end of the glue delivery pump 4 via a pipeline, and a filter 5 provided between the glue buffer tank 6 and the glue delivery pump 4;

[0016] Specifically, the rubber cutter 1 cuts polybutadiene rubber into small pieces, which then fall into the rubber grinder 2. The rubber pieces are ground into 5mm rubber granules, which then fall into the dissolving tank 3 to dissolve with styrene, mineral oil, etc. at room temperature. At the same time, the mixture is stirred by a stirrer (a three-layer spiral stirrer, an existing structure, forming a composite flow of axial and radial directions to ensure uniform material distribution and accelerate dissolution; it mainly consists of spiral blades and a stirring shaft, driven by a motor, which rotates the shaft and the spiral blades to move the material). After dissolving for 5 hours, the mixture is transported by the adhesive transfer pump 4. The filter 5 filters out undissolved rubber granules, and the adhesive buffer tank 6 stores the dissolved adhesive. The mixture is then used in the next stage for the production of polystyrene (HIPS). This invention saves the original rubber dissolution time by using a rubber grinder to grind the rubber into fine rubber granules, which results in a shorter dissolution time compared to block rubber. It also allows for more complete dissolution with styrene and mineral oil, improving product quality and shortening the production time of polystyrene (HIPS).

[0017] Example 1

[0018] Dissolving tank 3 has a volume of 120m³ 3 The internal agitator uses a three-layer spiral agitator with a stirring speed of 100 rpm, maintaining the temperature inside the dissolving tank 3 at 15–25°C. The grinding roller speed of the rubber grinder 2 is set to 500 rpm, and the screen aperture is 5 mm. Polybutadiene rubber is sequentially fed into the rubber cutter 1 and cut into 5 cm blocks. Then, the rubber blocks are ground into 5 mm rubber particles by the rubber grinder 2, which fall into the dissolving tank 3. Before the rubber particles enter the dissolving tank 3, a certain amount of styrene and mineral oil are first introduced into the dissolving tank 3. Then, the agitator is started, and the agitator rotates at a speed of 100 rpm to ensure that the rubber is fully mixed with the styrene and mineral oil. During the dissolving process, the temperature control system monitors and adjusts the temperature inside the dissolving tank 3 in real time to ensure that the temperature is maintained at 15–25°C. After 5 hours of stirring and dissolving, the rubber is completely dissolved in the styrene. Then, the dissolved rubber solution is transported to the rubber solution buffer tank 6 by the rubber solution transfer pump 4 for use in the production of polystyrene (HIPS). The filter 5 ensures that there are no undissolved rubber particles in the mixture.

[0019] Example 2

[0020] Dissolving tank 3 has a volume of 110m³. 3The stirring speed was set to 80 rpm, maintaining the temperature inside the dissolving tank 3 at 15–25°C. The grinding roller speed of the rubber grinder 2 was set to 300 rpm, and the screen aperture was 5 mm. Styrene-butadiene rubber was sequentially fed into the rubber cutter 1 and cut into 5 cm blocks. Then, the blocks were ground into 3 mm rubber granules by the rubber grinder 2. Before the rubber granules entered the dissolving tank 3, a certain amount of styrene was introduced into the dissolving tank 3. Then, the stirrer was started, and the stirring was rotated at a speed of 80 rpm to ensure that the rubber and styrene were fully mixed. During the dissolving process, the temperature control system monitored and adjusted the temperature inside the dissolving tank 3 in real time to ensure that the temperature was maintained at 15–25°C. After 5 hours of stirring and dissolving, the rubber was completely dissolved with the styrene. A certain amount of mineral oil was added to facilitate discharge and improve the quality of the polystyrene product, which was then used in the production of polystyrene (HIPS).

[0021] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A high-efficiency polystyrene batching device, characterized in that, include: A rubber cutting machine (1) is fixedly connected to a rubber grinding machine (2) at its lower end. A dissolving tank (3) is fixedly connected to the lower end of the rubber grinding machine (2). A glue transfer pump (4) is fixedly connected to the outer surface of the dissolving tank (3) via a pipeline. A glue buffer tank (6) is fixedly connected to one end of the glue transfer pump (4) via a pipeline. A filter (5) is provided between the glue buffer tank (6) and the glue transfer pump (4).

2. The high-efficiency polystyrene batching device according to claim 1, characterized in that, The rubber grinding machine (2) is equipped with a screen inside, and the screen has a pore size of 5 mm.

3. The high-efficiency polystyrene batching device according to claim 1, characterized in that, The melting tank (3) is equipped with a temperature control system, which includes a temperature sensor and a cooling device.

4. The high-efficiency polystyrene batching device according to claim 1, characterized in that, The dissolving tank (3) is equipped with a stirrer, which is a three-layer spiral stirrer.

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