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Closed-loop rapid cooler of flour mill

A cooling system and slip ring technology, applied in cocoa, grain processing, food science, etc., can solve the problems of large thermal resistance, slow heat conduction of stainless steel structure, poor effect, etc.

Pending Publication Date: 2021-03-05
上海谷励智能设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The cooling of the traditional grinding disc is the cold water circulation of the jacket, which is in direct contact with the grinding disc, and there is a large amount of thermal resistance. Most of them are stainless steel structures with slow heat conduction and poor effect.

Method used

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  • Closed-loop rapid cooler of flour mill
  • Closed-loop rapid cooler of flour mill
  • Closed-loop rapid cooler of flour mill

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The refrigeration compressor cools down the water in the water tank to a constant temperature of 5°C;

[0022] The cooling water in the water tank is delivered to the water-air multi-way slip ring;

[0023] The slip ring on the rotating spindle directs the water to the high-speed rotating grinding disc to cool down the grinding disc;

[0024] After the grinding disc cools down, the water temperature rises, and it is thrown out from the side hole of the chuck of the grinding disc into the closed and fixed water tank under the chuck;

[0025] The hot water is guided to the cooling water tank by the fixed water tank;

[0026] There is a Teflon self-lubricating sealing material between the fixed annular water tank and the rotating chuck;

[0027] The upper end is a silicon carbide pressureless sintered sealing ring, and the lower end is lined with Teflon self-lubricating material to ensure the minimum friction damage under high-speed rotation;

[0028] Ensure that the hi...

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PUM

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Abstract

The invention relates to the technical field of forced circulation water cooling systems, in particular to the technical field of milling disc rotating top-speed cooling of slip ring type water-gas multi-path systems. A traditional large machine tool cooling system combines a spindle heat dissipation cooler, so that under the condition that a spindle bearing and a motor are strictly controlled tobe preloaded, the thermal elongation of a spindle is reduced to the maximum extent, the influence on the high temperature of a milling disc is avoided, the integrity of heat-sensitive substances of ground materials is ensured, and the thermal oxidation of the materials is eliminated. The scheme is based on the cooling principle of a large machine tool, is applied to a small water tank control system, solves the problem of one-way inflow and outflow of multiple paths of water-gas slip rings, and realizes a closed-loop circulation system.

Description

technical field [0001] The invention relates to the technical field of forced circulating water cooling systems, in particular to the technical field of ultra-fast cooling of grinding discs in a slip ring type water-air multi-channel system. Background technique [0002] The cooling of the traditional grinding disc is through the cold water circulation of the jacket, which is in direct contact with the grinding disc, and there is a large amount of thermal resistance, and most of them are stainless steel structures with slow heat conduction and poor effect. [0003] This case learns from the large-scale machine tool cooling system combined with the spindle heat dissipation and cooling technology to strictly ensure that the spindle bearing and motor are preloaded on the spindle to minimize the temperature rise of the spindle and the grinding disc, so as to avoid affecting the rigidity, life of the spindle, surface temperature of the grinding disc and The final processing tempe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C7/17
CPCB02C7/17
Inventor 朱德恩
Owner 上海谷励智能设备有限公司