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Swirl type cooling system of sleeve limekiln

A sleeve lime kiln and cooling system technology, which is applied in lime production and other fields, can solve problems such as poor cooling effect and uneven distribution of cooling air, and achieve the effects of improving quality, saving energy and reducing consumption, and eliminating air flow deviation

Inactive Publication Date: 2013-02-13
TAIZHOU HONGWEI IND FURNACE EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the inhomogeneous distribution of cooling air in the cooling section of the annular sleeve lime kiln and the deficiency of poor cooling effect in the prior art, to provide a vortex cooling system of the sleeve lime kiln, through the structural improvement of the present invention , so that the cooling air is evenly distributed in the kiln body and forms a strong vortex to achieve the effect of enhanced cooling

Method used

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  • Swirl type cooling system of sleeve limekiln
  • Swirl type cooling system of sleeve limekiln

Examples

Experimental program
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Effect test

Embodiment 1

[0028] to combine figure 1 and figure 2 , a vortex cooling system of a sleeve lime kiln in this embodiment, comprising a kiln body cooling section 1, an outer wind box 2 and an inner wind box 3, wherein: the outer wind box 2 is located outside the kiln body cooling section 1, and the inner wind box 3 is located Inside the kiln body cooling section 1, the above-mentioned outer air box 2 and inner air box 3 are communicated through the air passage hole 4 on the side wall of the kiln body cooling section 1. The air passage hole 4 in the present invention is a circle with a diameter of 140-160 mm. In this embodiment, its diameter is 150 mm, and the above-mentioned air passage holes 4 are annularly distributed 16 around the side wall of the kiln body cooling section 1, and the center lines of all air passage holes 4 are horizontally arranged, and the center lines intersect In the center of the kiln body cooling section 1; in this embodiment, the contact span between the inner ai...

Embodiment 2

[0032] The structure of this embodiment is the same as that of Embodiment 1, the difference being that the number of upper air inlet holes 21, side air inlet holes 22 and lower air inlet holes 23 distributed circularly on the outer bellows 2 in this embodiment is 6, of which The diameters are all 80 mm; in this embodiment, there are 8 air passage holes 4 arranged in a circle, and their diameters are 160 mm; in this embodiment, the upper air outlet 31, the side air outlet 32 ​​and the lower air outlet are annularly distributed on the inner bellows 3. The quantity of hole 33 is 6, and last air outlet hole 31 diameters are 40mm, and the included angle of its center line direction and horizontal line is 60 °, and side air outlet hole 32 diameters are 80mm, and lower air outlet holes 33 diameters are 120mm.

Embodiment 3

[0034] The structure of this embodiment is the same as that of Embodiment 1, except that the number of upper air inlet holes 21, side air inlet holes 22 and lower air inlet holes 23 distributed circularly on the outer bellows 2 in this embodiment is 30. The diameters are all 60 mm; in this embodiment, there are 20 air passage holes 4 arranged in a circle, and their diameter is 140 mm; in this embodiment, the upper air outlet 31, the side air outlet 32 ​​and the lower air outlet are annularly distributed on the inner bellows 3. The quantity of hole 33 is 20, and last air outlet hole 31 diameters are 20mm, and the included angle of its center line direction and horizontal line is 30 °, and side air outlet hole 32 diameters are 60mm, and lower air outlet holes 33 diameters are 100mm.

[0035] Through the actual production verification, the lime kiln using the cooling system of Examples 1-3 has an energy consumption of 850-900 KCal / kg, an ash discharge temperature of 80-90°C, and a...

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Abstract

The invention discloses a swirl type cooling system of a sleeve limekiln and belongs to the technical field of the limekiln equipment. The swirl type cooling system of the sleeve limekiln comprises a kiln body cooling section, an outer air bellow and an inner air bellow, wherein the outer air bellow and the inner air bellow are communicated with each other through air via holes formed on the sidewalls of the kiln body cooling section; the air via holes are annularly distributed along the sidewalls of the kiln body cooling section and the center lines thereof intersect at the center of the kiln body cooling section; the outer air bellow and the outer sidewall of the kiln body cooling section form an annular outer air bellow channel; annularly distributed upper air inlet, side air inlet and lower air inlet are formed on the outer air bellow; the inner air bellow and the inner sidewall of the kiln body cooling section form an annular inner air bellow channel; and annularly distributed upper air outlet, a side air outlet and a lower air outlet are formed on the inner air bellow. The swirl type cooling system enables cooling air to be formed into swirl in the kiln body, thereby enhancing the cooling effect of the cooling air, guaranteeing even distribution of the cooling air in the kiln body, eliminating the air flow deviation phenomenon and improving the quality of the lime product; as a result, the swirl type cooling system is obvious in energy saving and consumption reduction effects.

Description

technical field [0001] The invention relates to the technical field of lime kiln equipment, in particular to a vortex cooling system for a sleeve lime kiln. Background technique [0002] Sleeve lime kiln is a kind of lime kiln, which has the characteristics of low heat consumption, high lime activity, simple structure and strong fuel adaptability. Compared with the traditional lime kiln, the lime is calcined in the annular space, and the air flow is evenly distributed. There is no cooling equipment in the kiln, low failure rate and easy maintenance. It is suitable for the iron and steel industry to use coke oven gas and calcium carbide, and the chemical industry to use calcium carbide furnace tail gas to produce high-quality lime; the automatic control is completed to achieve the purpose of improving lime quality and saving energy, thereby calcining high-quality active lime. Practice shows that the sleeve lime kiln has simple equipment, convenient operation and maintenance,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B2/10
CPCY02P40/40
Inventor 韩顺洪刘小芳
Owner TAIZHOU HONGWEI IND FURNACE EQUIP CO LTD
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