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Die head temperature control system of granulator

A temperature control system and temperature control technology, applied in the field of pelletizers, can solve the problems affecting the extrusion speed of materials, different distances, slow reaction speeds, etc., to ensure the uniformity of pelletizing, precise and convenient regulation, and solve the problem of temperature rise Effect

Inactive Publication Date: 2019-09-20
莱州市驰远化学有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The extrusion holes of the current extrusion die head for underwater granulation are distributed in the shape of circular rings, and the temperature control is realized by the heating of the metal heating tube. The distance from each extrusion hole to the heating tube is different, so the temperature of each extrusion hole is different, which affects the extrusion speed of the material, resulting in uneven particle size
Part of the heat will be taken away from the surface of the pelletizing die after passing through the pelletizing water chamber, which will amplify this effect. Secondly, the temperature control method of the tubular heating tube determines that it can only heat up, and the heat preservation and cooling can only depend on the environment. The temperature and water temperature in the water chamber are passively adjusted, and the response speed is extremely slow

Method used

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  • Die head temperature control system of granulator
  • Die head temperature control system of granulator
  • Die head temperature control system of granulator

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Experimental program
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Effect test

Embodiment 1

[0023] Such as figure 1 , 2 The die head temperature control system of the pelletizer shown includes a die head 1 and a die temperature controller 2 for temperature control. The die head 1 is provided with a ring-shaped extrusion orifice 3, and the extrusion orifice 3 is provided with a There are several extrusion holes 4, and the extrusion hole belt 3 formed by the extrusion hole 4 is distributed on the die head 1 in a circular shape; the inside of the extrusion hole belt 3 is provided with a first annular cavity 5, and the extrusion hole belt 3 There is a second annular cavity 6 on the outside, the first annular cavity 5 is connected to the second annular cavity 6, and the second annular cavity 6 is provided with a liquid inlet 7 and a liquid outlet 8, and the liquid flows from the liquid inlet 7 enters the first annular cavity 5 and the second annular cavity 6, and since the distance from the two annular cavities to the extrusion hole 4 is the same, the adjustment of the ...

Embodiment 2

[0029] This embodiment is further optimized on the basis of Embodiment 1. A touch display screen electrically connected to the control module 9 is installed on the control module 9, and the temperature can be visualized and adjusted through the touch display screen, which is convenient for production according to production requirements. For precise control.

[0030] A flow meter and a pressure gauge are installed on the pipeline to realize the observation and regulation of the flow rate of the circulating fluid, so as to facilitate better control of the temperature.

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Abstract

The invention relates to a die head temperature control system of a granulator, and belongs to the technical field of granulators. The die head temperature control system of the granulator comprises a die head and a die temperature controller used for carrying out temperature control, wherein an extrusion hole belt which is annularly arranged is arranged in the die head, a plurality of extrusion holes are formed in the extrusion hole belt, a first annular cavity and a second annular cavity are correspondingly formed in the inside and outside the extrusion hole belt, the first annular cavity is connected with the second annular cavity, a liquid inlet and a liquid outlet are formed in the second annular cavity, and the liquid inlet and the liquid outlet are correspondingly connected with the die temperature controller through pipelines. According to the die head temperature control system, two concentric circular cavities are arranged inside and outside the foundation, the annular cavities are connected with the die temperature controller, the temperature and the flow adjustable circulation liquid enable the temperature of extrusion holes to be adjustable, visual and controllable, so that it is guaranteed that the temperature of each extrusion hole is the same, the granulation uniformity is ensured, the problems of the temperature rise, heat preservation and cooling of the extrusion holes and the die head are effectively solved, the influence of the environment temperature and the influence of the water passing temperature in a granulating water chamber are avoided, and the regulation and control are accurate and convenient.

Description

technical field [0001] The invention relates to the technical field of pelletizers, in particular to a die head temperature control system for pelletizers. Background technique [0002] The extrusion holes of the current extrusion die head for underwater granulation are distributed in the shape of circular rings, and the temperature control is realized by the heating of the metal heating tube. The distance from each extrusion hole to the heating tube is different, so the temperature of each extrusion hole is different, which affects the extrusion speed of the material, resulting in uneven particle size. Part of the heat will be taken away from the surface of the pelletizing die after passing through the pelletizing water chamber, which will amplify this effect. Secondly, the temperature control method of the tubular heating tube determines that it can only heat up, and the heat preservation and cooling can only depend on the environment. The temperature and the water temper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/345B29C48/86B29C48/87B29C48/92
CPCB29C48/345B29C48/865B29C48/87B29C48/92
Inventor 张未
Owner 莱州市驰远化学有限公司
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