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Heating device for hopper dryer and hopper dryer

A technology for heating devices and dryers, which is applied in the directions of heating devices, drying gas arrangement, dryers, etc. It can solve the problems of loss of heat transfer of ceramic heating elements, reduced connection strength, low heating efficiency, etc., to achieve no safety Hidden danger, long service life, high heating efficiency

Active Publication Date: 2016-08-17
GIENKEE PLAS SCI & TECH SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of these ceramic heating element electric heaters are: 1. The power leads are connected (elastic connection) through the metal inserts connected to the lead-out ends of the ceramic heating elements and the metal insert springs crimped on the conductive wire harness. Inserts, insert springs, sheaths are required), and there are safety hazards (long-term use will oxidize, reduce the connection strength, and there will be hidden dangers of falling off after external vibration and vibration); 2. The ceramic heating element is not in direct contact with the heat dissipation aluminum profile. The wrapping paper and electrode leads separated by insulating measures will inevitably lead to loss in the heat transfer of the ceramic heating element and low heating efficiency

Method used

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  • Heating device for hopper dryer and hopper dryer
  • Heating device for hopper dryer and hopper dryer
  • Heating device for hopper dryer and hopper dryer

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Embodiment Construction

[0035] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] See Figure 1~4 Shown are the structural representations of the present invention, i.e. the composition and parts of the 220V energy-saving and long-life electric heater, consisting of figure 1 It can be seen that the heater of the present invention is composed of ceramic heating element 1 and heat dissipation aluminum profile 2. Among them, the ceramic heating element 1 is directly pasted and pressed between the heat-dissipating aluminum profiles 2 through the temperature-resistant thermally conductive adhesive; the upper end of the heat-dissipating aluminum profile 2 is provided with a threaded hole 3; the copper stud 4 is connected to the heat-dissipating aluminum profile 2 through the threaded hole 3 Above; the heat dissipation aluminum profile 2 is connected to the flange plate 5 through the copper stud 4; the flange plate 5 plays...

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Abstract

The invention discloses a heating device for a hopper dryer, which is characterized in that the heating device is located in a heating pipeline of the hopper dryer, and the heating device includes several ceramic heating elements.

Description

technical field [0001] The invention relates to an electric heater, in particular to a heating device for a hopper dryer and the hopper dryer. Background technique [0002] The technical principle of the hopper dryer used in the prior art is to use metal resistance wire to heat the air, and use a fan to blow the hot air into the inside of the hopper dryer through the air duct, so as to realize the drying of the material. This technology has been used in hopper dryers for many years. The defect of this technology is that the first resistance wire generates heat after being energized. In addition to generating heat, it will also generate additional electromagnetic waves due to impedance, resulting in low energy efficiency in actual work and a large waste of electric energy. ;The second resistance wire generates heat after being energized, and its local temperature can reach up to several hundred degrees. An additional relay must be added for overheat protection. Even caused a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F26B23/06F26B21/00
Inventor 陈明华
Owner GIENKEE PLAS SCI & TECH SUZHOU