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A casting machine slag ditch baking device and baking method

A baking device and iron casting machine technology, which is applied in the field of metallurgical iron casting machine equipment, can solve the problems of fast cooling temperature of molten iron, low combustion efficiency, defire, etc., and achieve the effects of increasing the baking temperature, saving expenses, and improving the use effect

Active Publication Date: 2022-03-11
襄阳鑫锐机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In response to the above feedback, the cooling temperature of the existing molten iron trough is too fast, and the temperature of the molten iron reaching the chute of the cast iron machine cannot meet the pouring temperature of the existing cast iron machine. Roasting process, and the sleeve-type slag ditch baking device used are prone to problems such as deflaming, flameout, and low combustion efficiency in blast furnace gas baking, and provide an iron ditch baking device for cast iron machines

Method used

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  • A casting machine slag ditch baking device and baking method
  • A casting machine slag ditch baking device and baking method
  • A casting machine slag ditch baking device and baking method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033]As shown in the figure, the cast iron machine slag ditch baking device includes a hollow long box preheating box with a concave cross section, and the preheating box is arranged above the molten iron ditch. There are 6 burners 10 on the central axis of the preheating box. The preheating box is formed by an outer preheating box 11, an inner preheating box 15 and an end plate 16 of the preheating box. The burners 10 run through the Preheating box to inner preheating box 15; Described outer preheating box 11 is provided with a plurality of air inlets 36 on the upper end face, side; The first air inlet 36-1 of the preheating box, the second air inlet 36-2 of the preheating box, and the third air inlet 36-3 of the preheating box arranged on the top of the outer preheating box close to the burner. The side wall of the iron gutter 18 is provided with an external preheating box positioning plate 19 ; the upper side of the external preheating box 11 is provided with a hook 14 . ...

Embodiment 2

[0041] As shown in the figure, the cast iron machine slag ditch baking device includes a hollow square box, and the square box is composed of a square box upper plate 23, a square box lower plate 24, a square box side plate one 25, a square box side plate two 26, Square box side plate 3 27 and square box side plate 4 28 are enclosed and formed. There are 6 burners 10 evenly distributed in the middle of the square box. The burners 10 run through the square box to the square box lower plate 24 and the square box upper plate 23 A plurality of square box first air inlets 36-4 are evenly arranged around the burner 10; the square box side plate one 25 is provided with a square box first air vent 36-5; the square box side plate three 27 is provided with There is a second air vent 36-6 of the square box. In order to achieve the best air-fuel ratio, the burner 10 has the same structural requirements as the first embodiment. For the square box, the air intake data of the oven = ((the d...

Embodiment 3

[0044] A method for baking a cast iron machine slag ditch, comprising the steps of:

[0045] (1) Between the blast furnace molten iron and the chute 17, a refractory material frame 31 and an inclined molten iron ditch 18 are arranged in sequence, and a gas pipe 2 connected to the main gas pipe network 3 is arranged on the factory building column 1; the length of the molten iron ditch 18 is 6900 mm;

[0046] (2) The outer preheating box positioning plate 19 is arranged on the side wall of the molten iron ditch 18, and two long box preheating boxes described in Embodiment 1 are placed above the molten iron ditch 18 along the flowing direction of the molten iron, and the length of the long box preheating box is 3300mm, the diameter of the combustion tube 37 of the burner is 133mm, there are 12 automatic air induction holes 35, the diameter of which is 12mm, the bottom diameter of the jet port 43 is 25mm, and the top diameter is 31mm, in the preheating box, the automatic air induct...

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Abstract

The invention discloses a cast iron machine slag ditch baking device and a baking method, comprising a hollow baking oven arranged above the molten iron along the flowing direction of the molten iron, the baking oven is a long box preheating box with a concave cross section and / or Or a square box with a square structure, the upper end surface and / or side of the oven is provided with a plurality of air inlets, the middle of the oven is provided with a burner, and the burner penetrates to the bottom surface of the oven. The roasting device of the present invention uses molten iron radiant heat to heat the air, which can increase the roasting temperature, shorten the roasting time, reduce heat pollution and improve the roasting effect. Meet the pouring temperature of the existing cast iron machine.

Description

technical field [0001] The invention belongs to the field of metallurgical cast iron machine equipment, and in particular relates to a casting machine slag ditch baking device and a baking method. Background technique [0002] The iron casting machine is a device for continuously casting high-temperature molten iron into iron blocks. It plays a role in the distribution of molten iron and the production of cast iron in the production of enterprises in the iron and steel industry. [0003] The production process of cast iron machine system: the molten iron tank car mixed iron car carrying molten iron is transported from the blast furnace to the cast iron machine workshop by railway locomotive or car, the tank body is tipped by tilting equipment, and the dumped molten iron passes through the molten iron flow channel guide channel Inside the cast iron mold, the cast iron mold holding the molten iron is driven to slowly move upwards; the crusted molten iron is sprayed with coolin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D1/00
CPCB22D1/007
Inventor 付敏李波刘克非
Owner 襄阳鑫锐机械科技有限公司
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