Grease-containing waste clay ceramsite and preparing method thereof

A manufacturing method and technology of waste white clay, applied in the field of building materials manufacturing, can solve problems such as fire, spontaneous combustion, endangering groundwater quality, etc., and achieve the effect of improving the strength level and expanding the effect of waste utilization

Active Publication Date: 2012-06-20
BAOTOU ZHENGTANG ENVIRONMENTAL PROTECTION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The oil content in the final oil-containing waste white clay is less than 10%. The usual treatment method for these oil-containing waste white clay is to bury it as waste. The oily waste white clay will not only pollute the environment and endanger the quality of groundwater, but also When it is highly unsaturated oil, waste clay is prone to spontaneous combustion and fire when it contacts with air

Method used

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  • Grease-containing waste clay ceramsite and preparing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Weight ratio: waste clay powder containing oil 60%;

[0023] Fly ash 40%;

[0024] Manufacturing process:

[0025] 1. After drying and grinding the waste white clay containing oil, sieve it with a 0.3mm square hole sieve, return the rest of the 0.3mm sieve and grind it again, and use the waste white clay powder containing oil at the bottom of the 0.3mm square hole sieve, As the main raw material for the production of ceramsite;

[0026] 2. Measure the sifted oil-containing waste clay powder and fly ash respectively;

[0027] 3. Put the measured two kinds of materials into the blender, first dry blend for about 1.5 minutes, then add 1 / 2 water, then wet blend for about 2.5 minutes;

[0028] 4. Send the stirred wet mixed powder into the ball forming tray, add 1 / 2 water, and spin and centrifuge to form balls;

[0029] 5. Put the grease-containing waste clay ceramsite raw meal balls into a static double-layer continuous fly ash ceramsite sintering kiln for roas...

Embodiment 2

[0034] Weight ratio: waste clay powder containing oil 70%;

[0035] Fly ash 30%;

[0036] Manufacturing process:

[0037] 1. After drying and grinding the waste white clay containing oil, sieve it with a 0.3mm square hole sieve, return the rest of the 0.3mm sieve and grind it again, and use the waste white clay powder containing oil at the bottom of the 0.3mm square hole sieve, As the main raw material for the production of ceramsite;

[0038] 2. Measure the sifted oil-containing waste clay powder and fly ash respectively;

[0039] 3. Put the measured two kinds of materials into the blender, first dry blend for about 1.5 minutes, then add 1 / 2 water, then wet blend for about 2.5 minutes;

[0040] 4. Send the stirred wet mixed powder into the ball forming tray, add 1 / 2 water, and spin and centrifuge to form balls;

[0041] 5. Put the grease-containing waste clay ceramsite raw meal balls into a static double-layer continuous fly ash ceramsite sintering kiln for roas...

Embodiment 3

[0045] Weight ratio: waste clay powder containing oil 80%;

[0046] Fly ash 20%;

[0047] Manufacturing process:

[0048] 1. After drying and grinding the waste white clay containing oil, sieve it with a 0.3mm square hole sieve, return the rest of the 0.3mm sieve and grind it again, and use the waste white clay powder containing oil at the bottom of the 0.3mm square hole sieve, As the main raw material for the production of ceramsite;

[0049] 2. Measure the sifted oil-containing waste clay powder and fly ash respectively;

[0050] 3. Put the measured two kinds of materials into the blender, first dry blend for about 1.5 minutes, then add 1 / 2 water, then wet blend for about 2.5 minutes;

[0051] 4. Send the stirred wet mixed powder into the ball forming tray, add 1 / 2 water, and spin and centrifuge to form balls;

[0052] 5. Put the grease-containing waste clay ceramsite raw meal balls into a static double-layer continuous fly ash ceramsite sintering kiln for roas...

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Abstract

The invention relates to grease-containing waste clay ceramsite and a preparing method thereof. According to material proportion, the grease-containing waste clay ceramsite comprises 60%-80% of grease-containing waste clay powder and 20%-40% of pulverized fuel ash. The process flow is that stoving, levigating, sieving and metering the grease-containing waste clay powder, conveying the grease-containing waste clay powder and the pulverized fuel ash to a stirrer for dry stirring for about 1.5 minutes, adding 1 / 2 water for wet mixing for about 2.5 minutes, stirred wet powder materials are sent into a balling disc for balling by adding water again, placing waste clay ceramsite raw materials into a double-layer continuous pulverized fuel ash ceramsite sintering furnace for sintering, and finally cooling, crushing and selecting the waste clay ceramsite raw materials after drawing. The grease-containing waste clay ceramsite and the preparing method thereof are characterized in that combination of the grease-containing waste clay and the pulverized fuel ash solves problems of pollution to the environment caused by grease-containing waste clay solid waste and pulverized fuel ash solid waste, and ceramsite sintering needs no coal or soil, thereby saving energy and land. Ceramsite products prepared with the method meet national standard requirements, so that the grease-containing waste clay ceramsite and the preparing method thereof really achieve environmental improvement and development and utilization simultaneously, and meet development requirements for circular economy of our country.

Description

technical field [0001] The invention relates to the technical field of building material manufacturing, in particular to a method for producing oil-containing waste clay ceramsite by using oil-containing waste clay in the oil processing industry as a main raw material and fly ash as a secondary raw material. Background technique [0002] Since the 1950s, Britain was the first in the world to produce fly ash ceramsite by using the industrial waste residue - fly ash. In 1964, my country built two production lines for sintered fly ash ceramsite in Tianjin Silicate Products Factory and Lanzhou. Until the 1990s, the climax of comprehensive utilization of fly ash was set off. my country is a large coal-producing country. , is also a big coal-fired power generation country. The comprehensive utilization of fly ash has attracted great attention from the country, and the strategic policy of sustainable development has been proposed. Therefore, there are many ways to comprehensively ut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/00C04B33/00C04B33/132
CPCY02P40/60
Inventor 金立虎
Owner BAOTOU ZHENGTANG ENVIRONMENTAL PROTECTION IND
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