Mixing-type lime kiln capable of quickly cooling and discharging

A lime kiln and mixing technology, applied in the field of lime production, can solve the problems of staff burns, unfavorable collection and transfer, high temperature of finished lime products, etc., and achieve the effect of reducing calcination time, convenient collection, transfer and use

Active Publication Date: 2019-12-03
四川马氏窑技术发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is: for the currently commonly used mixing type lime kiln, the collecting tank for collecting finished lime products is integrally connected with the inner space of the kiln body, resulting in a high temperature of finished lime products output from the ash discharge port, which is not conducive to subsequent collection and transfer. It is also easy to cause technical problems of staff burns, and a mixing type lime kiln with rapid cooling and discharging is provided

Method used

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  • Mixing-type lime kiln capable of quickly cooling and discharging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the mixed-material lime kiln for rapid cooling and discharging includes a kiln body 1, and a partition 2 is arranged inside the kiln body 1, and a plurality of through holes 21 for the passage of lime products are arranged on the partition 2, The dividing plate 2 is arranged on the lower side of the fire grate 3, a cooling chamber 4 is formed between the fire grate 3 and the dividing plate 2, and a collection chamber 5 is formed on the lower side of the dividing plate 2, and the side wall of the cooling chamber 4 is provided with an outlet An air duct 6 , the air outlet duct 6 is connected with an air supply device 7 .

[0025] In the mixing type lime kiln for rapid cooling and discharging of the present embodiment, a partition plate 2 is arranged in the kiln body 1 to form a special cooling chamber 4 between the grate 3 and the collection chamber 5, so that the material falling from the grate 3 The finished lime products entering the cooling...

Embodiment 2

[0028] Such as figure 1 As shown, the rapid cooling and discharging mixing lime kiln of this embodiment has the same structure as that of Embodiment 1, the difference is that the air outlet pipe 6 is laid spirally along the side wall of the cooling chamber 4, and the air outlet pipe 6 is arranged There are several air outlets 61 toward the center of the partition 2 .

[0029] In the mixing type lime kiln for rapid cooling and discharging in this embodiment, the air outlet pipe 6 is spirally arranged along the side wall of the cooling chamber 4, so that the air outlet pipe 6 can cool down the cooling chamber 4 as a whole, and the air introduced into the cooling chamber 4 It can also cool the finished lime product better, and the cooling effect is better. In this embodiment, the cross-section of the air outlet pipe 6 is preferably a rectangular structure. Towards the air outlet 61 at the center of the dividing plate 2, the bottom surface is provided with an air outlet 61 facing...

Embodiment 3

[0031] Such as figure 1 As shown, the rapid cooling and discharging mixing lime kiln of this embodiment has the same structure as that of Embodiment 2, the difference is that a number of feed pipes 22 are arranged at the bottom of the partition plate 2, and the top of the feed pipe 22 is connected to the The through holes 21 are communicated, and the feeding pipe 22 is arranged along the vertical direction of the kiln body 1 .

[0032]In the mixing type lime kiln for rapid cooling and discharging in this embodiment, the finished lime products are temporarily collected by setting the feeding pipe 22 at the bottom of the partition plate 2, so that the finished lime products falling into the cooling chamber 4 enter the feeding pipe 22 for collection in advance, so that The finished lime products are dispersed into a plurality of feeding pipes 22 for cooling respectively, and the cooling effect is more scattered than that accumulated in one collection chamber 5, which makes the co...

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Abstract

The invention relates to the field of lime production, in particular to a mixing-type lime kiln capable of quickly cooling and discharging. The mixing-type lime kiln comprises a kiln body, wherein a partition plate is arranged in the kiln body, the partition plate is provided with a plurality of through holes used for allowing a finished lime product to pass through, the partition plate is arranged on the lower side of a fire grate, a cooling cavity is formed between the fire grate and the partition plate, a collecting cavity is formed in the lower side of the partition plate, an air outlet pipe is arranged on the side wall of the cooling cavity, an air supplying device is connected to the air outlet pipe, thus the finished lime product falling from the fire grate into the cooling cavity is cooled through air input by the air outlet pipe, the temperature of the finished lime product falling into the collecting cavity is decreased quickly, the finished lime product is collected, transferred and used conveniently, and workers are also prevented from being scalded by the high-temperature finished lime product; and meanwhile, air guided into the upper part of the fire grate is heated by the finished lime product, dispersed by the fire grate and can evenly enter raw materials on the upper part of the fire grate, normal and even burning of fuel on the upper part of the fire grate ismaintained conveniently, conducting of the calcination process is promoted, and the calcination time is reduced.

Description

technical field [0001] The invention relates to the field of lime production, in particular to a mixing type lime kiln for rapid cooling and discharging. Background technique [0002] As an important auxiliary material in industrial production, lime is widely used in many industries such as metallurgy, chemical industry, environmental protection, building materials, etc. At present, the commonly used mixing type lime kiln for preparing lime generally uses coal, coke and other solid fuels to calcinate limestone to prepare lime. The current mixing The type lime kiln generally adopts the structure of kiln top feeding and kiln bottom ash discharge. The interior of the kiln body is a space structure connected from top to bottom. The mixed fuel and limestone are thrown on the grate through the material distribution mechanism, The air is introduced into the lower side of the grate to maintain the combustion of the fuel, so that the fuel is calcined limestone to prepare lime, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B2/10
CPCC04B2/10Y02P40/40
Inventor 马寿春马强
Owner 四川马氏窑技术发展有限公司
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