Bundled short-circuit type electric heater

An electric heater, short-circuit technology, applied in the field of cluster short-circuit electric heaters, can solve the problem of high cost and achieve long service life

Pending Publication Date: 2017-06-16
无锡华能电热器材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Affected by the high-temperature insulation of magnesium oxide, the maximum temperature of the heating medium of the traditional structure generally does not exceed 600°C
[0004] 2. Traditional cluster short-circuit electric heaters are often implemented by increasing the diameter of the container or reducing the load on the heater, which also leads to high costs

Method used

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  • Bundled short-circuit type electric heater
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Embodiment Construction

[0018] The embodiments listed in the present invention are only used to help understand the present invention, and should not be interpreted as limiting the protection scope of the present invention. For those of ordinary skill in the art, they can also Improvements and modifications are made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0019] Such as figure 1 As shown, the present invention includes a columnar casing 1 provided with an air inlet and an air outlet, and three support frames 8 are arranged in the casing 1, and the support frames 8 are fixed inside the casing with bolts. Nine heating tubes 2 are arranged on the supporting frame 8 along the axial direction of the shell. The heating tubes 2 are conductive empty tubes made of metal materials, such as stainless steel or high-nickel alloy materials. Such as figure 1 The two ends of the heating tube 2 shown are respe...

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Abstract

The invention relates to the field of electric heating equipment, in particular to a bundled short-circuit type electric heater for heating a non-conducting fluid. The bundled short-circuit type electric heater comprises a housing, wherein the housing is provided with an air inlet and an air outlet, a supporting frame is arranged in the housing and is fixedly connected with an inner wall, the supporting frame is axially provided with a heating tube in the axial direction of the housing, the supporting frame and the heating tube are provided with insulators, and the heating tube is a hollow conducting tube. The bundled short-circuit type electric heater adopts the hollow conducting tube for heating, the hollow conducting tube is a conducting resistor body and is also a heating body, an electricity leakage phenomenon produced due to high temperature of magnesium oxide is avoided, and the service life of the bundled short-circuit type electric heater is prolonged.

Description

technical field [0001] The invention relates to the field of electric heating equipment, in particular to a cluster short-circuit electric heater for heating non-conductive fluid. Background technique [0002] The existing industrial cluster short-circuit electric heater often adopts the structure of circulating cluster short-circuit electric heater, which is a form of heating element electric heating tube, and the purpose is achieved by heating the electric heating wire and magnesium oxide powder inside the electric heating tube through high pressure. The main flaws of this structure are: [0003] 1. Affected by the high-temperature insulation of magnesium oxide, the maximum temperature of the heating medium of the traditional structure generally does not exceed 600°C. [0004] 2. Traditional cluster short-circuit electric heaters are often implemented by increasing the diameter of the container or reducing the load on the heater, which also leads to high costs. Contents...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/10F24H9/18F24H9/20
CPCF24H1/101F24H9/1818F24H9/2028
Inventor 俞祥九戚洪明
Owner 无锡华能电热器材有限公司
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