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Structural improvement of gas tunnel kiln

Structural improvement of gas tunnel kiln

Generally speaking, the sintering reaction of the products in the tunnel kiln is subtly affected by the temperature and atmosphere in the kiln, but as far as the tunnel kiln and shuttle kiln are concerned, when the width of the kiln is wide, the gas circulation in the kiln is easy to change, and the atmosphere in the kiln is uneven, and the temperature in the kiln is also uneven, so it is easy to produce unqualified products. Sometimes, the shape of the billet and the density of the kiln will also hinder the flow of gas in the kiln, and it is difficult to homogenize the atmosphere and temperature of each zone in the kiln. In response to the above situation,... The tunnel kiln has been modified. Under the condition of proper use of fuel, the cross section of the kiln and the atmosphere and temperature of each zone remain uniform. The measures adopted in the technical reform of tunnel kiln are as follows: the upper burner and the lower burner are set relative to each other on the two side walls of the kiln body, and the upper and lower burner is equipped with an air injection volume adjustment device that regulates the contact position of the ejecting gas phase and can move horizontally and reciprocally.

16

2022

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05

Tunnel kiln has some advantages

Tunnel kiln has some advantages

Tunnel kiln is a common industrial furnace, from the development of more than 200 years of history, tunnel kiln belongs to a continuous kiln. The tunnel kiln has a series of advantages compared with the old intermittent inverted flame kiln.

13

2022

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07

Key points of construction technology for installing tunnel kiln equipment

Key points of construction technology for installing tunnel kiln equipment

The stable operation and good firing effect of the tunnel kiln are closely related to the design and construction of the kiln in the early stage. First of all, the design team should be found, so as to make the kiln structure more suitable for use, followed by a construction team. Construction is proceeding smoothly.

08

2022

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09

How should light insulation bricks and insulation materials be designed for tunnel kiln walls?

How should light insulation bricks and insulation materials be designed for tunnel kiln walls?

All masonry on both sides of the tunnel kiln walls should be full of mortar, and the ash joint of the internal wall refractory brick and light insulation brick should be less than 3, and the mortar fullness should reach more than 90% and the masonry should be staggered.

30

2022

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11

How to recover heat from tunnel kiln reasonably and effectively?

How to recover heat from tunnel kiln reasonably and effectively?

Almost all sintered brick factories use the heat recovered by the tunnel kiln as the heat source of the drying chamber, which is desirable as the renewable utilization of energy. However, because there are many drawbacks in the current process method of heat recovery in tunnel kiln, it causes many problems to product quality control and external environment, so it is necessary to deeply study the reasonable way of heat recovery in tunnel kiln and effectively recover the waste heat of tunnel kiln.

18

2023

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03

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