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System and process for producing artificial stones or fireproof thermal-insulation materials by utilizing rotary kiln system

An artificial stone, fireproof and thermal insulation technology, applied in the cutting of textile materials, non-woven fabrics, textiles and papermaking, etc., can solve the problems of large temperature rise and small production capacity.

Inactive Publication Date: 2018-03-30
北京蒙西矿业投资股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The batch material at room temperature is directly put into the melting furnace or heated and melted in the furnace. Due to the large temperature rise of the material, there is still a problem of small production capacity.

Method used

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  • System and process for producing artificial stones or fireproof thermal-insulation materials by utilizing rotary kiln system
  • System and process for producing artificial stones or fireproof thermal-insulation materials by utilizing rotary kiln system
  • System and process for producing artificial stones or fireproof thermal-insulation materials by utilizing rotary kiln system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] A system for producing artificial stone using a rotary kiln system, which includes a crusher 1, a raw material storehouse 2, a batching weighing scale 3, a pulverizer 4, a homogenizing storehouse 5, a rotary kiln 6, a grate cooler 7 and Artificial stone feeding warehouse 8, artificial stone chute 9, plate feeder 10, melting furnace 11, forming machine 12, crystallization kiln 13, polishing machine 14, artificial stone cutting machine 15 and controller 16; artificial stone chute 9 A heat preservation shell 17 is provided, a heat preservation cover 18 is provided on the apron feeder 10, a first temperature sensor 19 is provided in the rotary kiln 6, a second temperature sensor 20 is provided in the heat preservation cover 18,

[0072] The discharge port of the pulverizer 4 is respectively connected with the feed port of the homogenization storehouse 5 and the feed port of the artificial stone feed storehouse 8, and the discharge port of the artificial stone feed storehouse...

Embodiment 2

[0086] The traditional artificial stone production system includes crusher 1, raw material warehouse 2, pulverizer 4, batching scale 3, artificial stone feeding warehouse 8, melting furnace 11, molding machine 12, crystallization kiln 13, polishing machine 14 and artificial stone cutting machine 15.

[0087] Utilize the system described in embodiment 2 to produce CaO-Al 2 o 3 -SiO 2 When it is a microcrystalline stone,

[0088] Firstly, after limestone, coal gangue and silica are crushed by crusher 1, buffered by raw material warehouse 2, weighed by ingredient weighing scale 3, and ground by grinding machine 4, they are transported together with the measured auxiliary materials to artificial stone feeding warehouse 8 for standby ; Wherein the proportion of each component in the batch is 25wt% of limestone, 21wt% of coal gangue, 47wt% of silica, and 7wt% of auxiliary materials;

[0089] Secondly, the batch materials in the artificial stone feeding warehouse 8 are transporte...

Embodiment 3

[0092] Utilize the system of embodiment 1 the present invention to produce artificial stone and the system of embodiment 2 traditional production of artificial stone to produce microcrystalline stone, its direct material cost and energy consumption are listed in the following table

[0093] Unit: ton

[0094]

[0095]

[0096] As can be seen from the above table, the cost of producing microcrystalline stone in Example 1 is 53.71 yuan / square meter, compared with the cost of producing microcrystalline stone in Example 2 87.58 yuan / square meter, reducing the direct material cost of 33.87 yuan / square meter, A reduction of 38.67%. Among them, the direct material cost of molten materials is 341.41 yuan / ton (70.7+53.35+3.96+213.4=341.41), which is 768.6 yuan / ton lower than the direct material cost of traditional melting kiln 1110 yuan / ton, which is 69.24% lower.

[0097] It can be seen that the present invention makes full use of the low-cost characteristics of the rotary kiln...

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Abstract

The invention discloses a system and process for producing artificial stone or fire-proof and heat-insulating materials using a rotary kiln production line. The existing rotary kiln production line is fully utilized to produce both original products and artificial stone or fire-proof and heat-insulating materials. Improve the operating efficiency of the rotary kiln and its supporting batch material preparation equipment (such as crushers, raw material warehouses, batching weighing scales, pulverizers and homogenization warehouses) in the existing rotary kiln production line, and solve the problems caused by overcapacity in related industries The idleness of equipment and the employment of employees during the shutdown period have made great contributions to the reduction of production capacity and technological transformation and upgrading of related industries, and have greatly reduced the construction costs of artificial stone and fireproof insulation material production lines.

Description

Technical field: [0001] The invention relates to a production system and process, in particular to a system and process for producing artificial stone or fire-proof and heat-preserving materials by using cement clinker, calcined kaolin and other production lines. Background technique: [0002] At present, although the existing rotary kiln production line is very mature, it can only produce a single product, such as cement clinker and calcined kaolin. Affected by the serious overcapacity of the industry, the state and industry associations have adopted a strict policy of shifting peak production and shutting down excess capacity for some industries. Under the current transformation of such a large economic environment, the production lines for mass production of cement clinker, calcined kaolin and other products have been idled, and enterprises are facing severe difficulties. The operating rate of the rotary kiln is low, resulting in the failure to recover the invested funds...

Claims

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Application Information

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IPC IPC(8): C03C10/00C03C6/04C03C13/06D04H3/002D04H3/105D06H7/00
CPCC03C10/00C03C1/002C03C13/06D04H3/002D04H3/105D06H7/00
Inventor 刘埃林刘鹏飞李学勇张永辉
Owner 北京蒙西矿业投资股份有限公司
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