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Device for preheating die by means of waste gas of die casting smelting furnace

A furnace and waste gas technology, used in waste heat treatment, furnaces, furnace components, etc., can solve problems such as cost increase and energy waste, and achieve the effect of saving energy, reducing costs, and reducing energy consumption

Inactive Publication Date: 2016-01-20
CHONGQING YINGRUISHENG DIE CASTING
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the past, the heating of the mold usually required the consumption of external energy such as gas and electricity, which brought about an increase in cost.
[0003] But at the same time, the available energy (such as the heat energy in the furnace flue gas) of the die-casting furnace (the die-casting furnace is directly connected to the die-casting machine, which is a high-temperature furnace for melting metal) is discharged out of the die-casting machine along the pipe , resulting in a waste of energy

Method used

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  • Device for preheating die by means of waste gas of die casting smelting furnace

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Embodiment Construction

[0011] The present invention will be described in further detail below by means of specific embodiments:

[0012] The reference signs in the drawings of the description include: air intake pipe 1, high temperature flue gas pipe 2, heat exchanger 3, hot air pipe 4, high temperature fan 5, mixing chamber 6, preheating chamber 7, mold 8, nozzle 9 , cold air pipeline 10, air pump 11, controllable valve 12.

[0013] The embodiment is basically as attached figure 1 Shown:

[0014] In this solution, the device for preheating the mold by using the exhaust gas of the die-casting furnace includes an air intake pipe 1, one end of which is connected to the atmosphere, and one end of which is connected to the heat exchanger 3, which is made of corundum in this embodiment. Ceramic heat exchanger. The heat exchanger 3 itself is installed on the high-temperature flue gas pipeline 2 of the die-casting furnace, and its function is to use the high-temperature flue gas to heat the air flowing ...

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Abstract

The invention discloses a device for preheating a die by means of waste gas of a die casting smelting furnace. The scheme is provided according to the technical problem that energy is extra consumed due to die preheating needs in the prior art. The device comprises an air inlet pipeline, a heat exchanger, a high-temperature flue gas pipeline, a hot air pipeline, a fan, nozzles and a preheating chamber. The air inlet pipeline is connected to the corresponding air inlet end of the heat exchanger. The heat exchanger is arranged on the high-temperature flue gas pipeline, and the air outlet end of the heat exchanger is connected with the hot air pipeline. The hot air pipeline is provided with the fan, the air outlet end of the hot air pipeline stretches into the preheating chamber, and the multiple nozzles are arranged. The device has the technical effects that resources in a system are fully utilized, and therefore energy is saved.

Description

technical field [0001] The invention relates to the field of mold heating, in particular to a device for preheating molds by using waste gas from a die-casting furnace. Background technique [0002] Die casting (English: diecasting) is a metal casting process characterized by the use of a mold cavity to apply high pressure to molten metal. Molds on die-casting machines are usually machined from stronger alloys, a process somewhat similar to injection molding. In the process of die casting, the mold temperature is an important factor affecting the quality of the casting. If the mold temperature is too low, the internal structure of the casting is loose, the air is difficult to discharge, and it is difficult to form. Excessive temperature difference inside and outside the casting mold will also cause problems such as stress damage, blocked mold opening and closing, and uneven solidification speed. Therefore, the mold should be fully preheated before die-casting production, i...

Claims

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Application Information

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IPC IPC(8): B22D17/20F27D17/00
Inventor 王燕
Owner CHONGQING YINGRUISHENG DIE CASTING
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