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A heat recovery system for the outlet of the tempering furnace and the inlet of the quenching furnace in a mesh belt heating furnace production line

A heat energy recovery and tempering furnace technology, applied in lighting and heating equipment, furnaces, waste heat treatment, etc., can solve problems such as environmental thermal pollution, and achieve the effects of reducing production costs, reducing thermal pollution, and reducing thermal energy emissions

Inactive Publication Date: 2016-09-28
NINGBO ZHENHAI ZHONGBIN MACHINERY MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to improve the surface quality of the bolts and avoid rust, the bolts are usually sprayed with oil by an oiler. In the traditional process, a high-power (30-40KW) heater is used to heat the anti-rust oil to about 70°C, and then spray it on the bolts. , forming a protective layer on the surface of the bolt; while the temperature at the outlet of the tempering furnace on the production line is 300-400 ° C, the energy loss is very serious, and it causes serious thermal pollution to the environment

Method used

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  • A heat recovery system for the outlet of the tempering furnace and the inlet of the quenching furnace in a mesh belt heating furnace production line
  • A heat recovery system for the outlet of the tempering furnace and the inlet of the quenching furnace in a mesh belt heating furnace production line
  • A heat recovery system for the outlet of the tempering furnace and the inlet of the quenching furnace in a mesh belt heating furnace production line

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Embodiment Construction

[0024] refer to figure 1 , the overall heat recovery system of the mesh belt heating furnace production line of the present invention, the mesh belt heating furnace production line includes a feeding machine 1, a front cleaning machine 2, a quenching furnace 3, a quenching tank 6, a tempering furnace 7, a blackening furnace connected in sequence The tank 8 and the oiler 10 are equipped with a primary heat recovery device at the entrance of the quenching furnace, a secondary heat recovery device at the exit of the quenching furnace, and a tertiary heat recovery device at the exit of the tempering furnace, as follows Describe each heat energy recovery device in detail;

[0025] The heat energy recovery system at the entrance of the quenching furnace of the mesh belt heating furnace production line:

[0026] refer to Figure 1 to Figure 4 , the present invention provides a heat recovery system for the entrance of a quenching furnace of a mesh belt heating furnace production lin...

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Abstract

The invention provides a tempering furnace outlet heat energy recovery system of a mesh heating furnace production line. The system comprises a tempering furnace, a blackening tank and an oil feeding machine which are sequentially connected, the oil feeding machine is provided with an oil tank, the tempering furnace is provided with a third-stage heat energy recovery device, the third-stage heat energy recovery device comprises a heat tube, a pump body and a nozzle, the heat tube is positioned at the outlet end of the tempering furnace, the inlet end of the heat tube is connected with the oil tank through an oil inlet tube, the outlet end of the heat tube goes through the pump body and is connected with the nozzle through an oil outlet tube, the nozzle is positioned in the oil feeding machine, and a heat insulation layer is arranged outside each of the oil inlet tube and the oil outlet tube. The tempering furnace outlet heat energy recovery system of the mesh heating furnace production line has the advantages of recovery of heat at the outlet of the tempering furnace, avoiding of a large power heater in the oil feeding machine, heat energy discharge reduction, reduction of the heat pollution to surrounding environment, energy saving, environmental protection, and substantial reduction of the production cost.

Description

technical field [0001] The invention relates to bolt production equipment, in particular to a heat energy recovery system for the exit of the tempering furnace and the entrance of the quenching furnace in a mesh belt heating furnace production line. Background technique [0002] After the bolt is machined, it should be quenched, tempered and blackened to improve its mechanical strength and corrosion resistance. In order to improve the surface quality of the bolts and avoid rust, the bolts are usually sprayed with oil by an oiler. In the traditional process, a high-power (30-40KW) heater is used to heat the anti-rust oil to about 70°C, and then spray it on the bolts. , forming a protective layer on the surface of the bolt; while the temperature at the outlet of the tempering furnace on the production line is 300-400 ° C, the energy loss is very serious, and it causes serious thermal pollution to the environment. Contents of the invention [0003] (1) Technical problems to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/18F27D17/00
Inventor 孙斌
Owner NINGBO ZHENHAI ZHONGBIN MACHINERY MFG
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