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Ceramic powder preparation process and system

A ceramic manufacturing and process technology, which is applied in the field of ceramic pulverizing process and its system, can solve the problems such as the large difference in water content between the surface and the core of the mud block, the large size of the drying equipment, and the long drying time, so as to reduce the dry mud block. time, reduce energy consumption, and improve drying speed

Pending Publication Date: 2021-02-05
FOSHAN LANZHIJING SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The present invention provides a ceramic powder making process in order to solve the problems of long drying time, large volume of drying equipment, and large difference in water content between the surface and the core of the dried mud block existing in the existing ceramic low temperature wet powder making process.

Method used

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  • Ceramic powder preparation process and system
  • Ceramic powder preparation process and system
  • Ceramic powder preparation process and system

Examples

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Embodiment 1

[0043] Such as figure 1 A ceramic powder-making process shown includes the steps of batching, ball milling, sieving, iron removal, and slurry pool homogenization in order to obtain slurry with a water content of 30% to 40%, and then pass through filter presses and other equipment Dehydrate the mud to obtain a blocky mud (filter cake) with a water content of 18% to 25%, and then cut the blocky mud into pieces with a length of about 5cm and a water content of 18% to 25% by high-speed mud cutting equipment Mud.

[0044] The above process can be processed with reference to the existing equipment and technology. No more details are given in this embodiment.

[0045] Technology of the present invention also comprises following step to mud drying treatment:

[0046] Step S1, drying the mud material to obtain mud lumps with a water content of 12% to 14%;

[0047]Step S2, rubbing the mud block layer by layer with more than 2 screens arranged in sequence, the apertures of the screen...

Embodiment 2

[0083] The present invention also provides a kind of ceramic powder making system that adopts above-mentioned technology simultaneously, as Figure 7 As shown, it includes filter press 10 , mud cutting equipment 20 , ceramic mud drying equipment 30 and ceramic mud multistage granulation equipment 40 connected in sequence. In addition, in order to obtain more rounded powder particles, a rounding device 50 may also be included in the ceramic powder making system. Wherein, filter press 10, mud cutting equipment 20, ceramic mud material drying equipment 30 are existing equipment; Figure 2 ~ Figure 6 . The filter press 10, the mud cutting equipment 20, the ceramic mud drying equipment 30, the ceramic mud multi-stage granulation equipment 40 and the rounding equipment 50 are respectively connected in sequence by a conveyor belt between the discharge port and the feed port. In addition, at the front end of the feeding port of the ceramic mud drying equipment 30 and the ceramic mud...

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Abstract

The invention relates to the technical field of ceramic wet powder preparation, in particular to a ceramic powder preparation process and system. The ceramic powder preparation process comprises the following steps: S1, drying mud to obtain mud blocks with the water content of 12%-14%; s2, rubbing the mud blocks with more than two screens which are sequentially arranged layer by layer, reducing the apertures of screen holes of the screens layer by layer, and reducing the particle sizes of the mud blocks when the mud blocks pass through the screen holes of the screens layer by layer; meanwhile,hot air is introduced below the screen so that the mud blocks are repeatedly heated and dried by the flowing hot air in the friction movement and falling process, and finally powder particles with the particle size being smaller than 1.5 mm and the water content being 9%-10% are obtained; according to the invention, the drying of the mud is decomposed into three processes of preliminary drying, granulation and rounding which are carried out step by step, and the specific surface area of powder particles is rapidly increased in the later two processes so that the rapid volatilization of wateris facilitated, the drying speed is increased, and the energy consumption is reduced.

Description

technical field [0001] The invention relates to the technical field of ceramic wet powder making, in particular to a ceramic powder making process and a system thereof. Background technique [0002] The ceramic industry is a high energy consumption and high pollution industry. The wet milling process is an important process in the production process of ceramic products. [0003] The traditional wet milling process is batching-ball milling-sieving, iron removal-spray drying and granulation. Among them, the process of spray drying and granulation is mainly carried out in the spray drying tower. The spray drying tower is the main equipment for heat energy consumption and conversion, and its energy consumption accounts for more than 35% of the total cost of ceramic production. [0004] The process of spray drying and granulation is generally to spray the ceramic slurry with a water content of 30% to 40% into the spray drying tower through the pressure of the plunger pump and a...

Claims

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Application Information

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IPC IPC(8): C04B35/626C04B33/30F26B3/04F26B21/14F27D17/00
CPCC04B33/30C04B35/626C04B35/62655F26B3/04F26B21/14F27D17/004F27D17/008Y02P10/25
Inventor 李金华林庆生
Owner FOSHAN LANZHIJING SCI & TECH CO LTD
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