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A novel finned tube

A finned tube, a new type of technology, applied in the field of heat exchangers, can solve the problems of heat transfer, low heat transfer coefficient, poor disturbance ability, etc.

Inactive Publication Date: 2006-09-27
劳关明 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary finned tubes have poor disturbance ability when the heat exchange air flow is relatively stable. The flue gas advances along the fixed flow path, and the air flow is relatively stable, so that the heat transfer amount and heat transfer coefficient are relatively low.

Method used

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  • A novel finned tube
  • A novel finned tube

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Experimental program
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Effect test

Embodiment 1

[0009] Embodiment 1: refer to figure 1 , figure 2 , a new type of finned tube, including a heat exchange tube 1, fins 2 and grooves 3, the fins 2 are spirally wound on the outer surface of the heat exchange tube 1, and welded through by high-frequency welding, the fins 2 is provided with a groove 3, which adopts a toothed groove structure. It is easy to process the toothed groove before winding the flat steel. Only a tooth opening process is added on the basis of the production of ordinary finned tubes. The depth of the tooth-shaped groove is 1 / 3 to 1 / 2 of the fin, which can effectively improve the heat transfer and heat transfer efficiency. When the depth of the groove exceeds 1 / 2 of the fin, the fin will The grooves on the sheet are poorly formed. When the depth of the grooves is lower than 1 / 3 of the fins, the disturbance capacity will not be significantly improved, and the heat transfer and heat transfer coefficient will also not be significantly improved. The tooth-sha...

Embodiment 2

[0010] Embodiment 2: The basic structure of this embodiment is the same as that of Embodiment 1, except that the groove 3 adopts a triangular groove structure.

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Abstract

The invention discloses a new wing tube, belonging to the heat exchange technique, which comprises a heat exchange tube, and wings. Wherein, said wings are screw coiled on the outer surface of heat exchange tube. It is characterized in that: the wings have grooves. The invention can make the airflow in disturbed state when in brushing, to effectively improve the heat exchange efficiency.

Description

technical field [0001] The invention discloses a novel finned tube, which belongs to the technical field of heat exchangers. Background technique [0002] At present, finned tubes are widely used as an extended heating surface in heat exchange equipment, especially in the adjustment of my country's energy structure and energy policy, the external finned tubes have played a huge role in the recovery of low-grade energy. effect. However, ordinary finned tubes have poor disturbance ability when the heat exchange air flow is relatively stable. The flue gas advances along a fixed flow path, and the air flow is relatively stable, so that the heat transfer amount and heat transfer coefficient are relatively low. Contents of the invention [0003] The purpose of the present invention is to provide a new type of finned tube which is in a state of continuous disturbance when the air flow scours, and which has high heat exchange capacity an...

Claims

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Application Information

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IPC IPC(8): F28F1/36
Inventor 王雁峰盛福兴劳关明
Owner 劳关明