Multifunctional ceramsite using pickling sludge as fluxing agent and production method thereof

A technology for pickling sludge and production method, applied in the field of materials, can solve the problems of high energy consumption, high firing temperature, high cost of ceramsite, etc., and achieve the effects of strong pollution, reduced energy consumption and low price

A technology for pickling sludge and production method, applied in the field of materials, can solve the problems of high energy consumption, high firing temperature, high cost of ceramsite, etc., and achieve the effects of strong pollution, reduced energy consumption and low price

CN107445592AActive Publication Date: 2017-12-08山东京泰再生资源有限公司
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A multifunctional ceramsite using pickling sludge as a flux, in parts by weight, its raw material ratio is: 10 parts of pickling sludge, 78 parts of fly ash, and 12 parts of bentonite;

[0031] Wherein, the pickling sludge is dried pickling sludge with a water content lower than 2%.

[0032] The production method of this multifunctional ceramsite, concrete steps are as follows:

[0033] 1) Raw material processing:

[0034] The pickling sludge is pre-dried by using the waste heat of the rotary kiln. After the water content of the sludge is lower than 2%, it enters the dry ball mill for grinding until the fineness is 200 mesh, and then it is stored in the sludge storage by bucket elevator. storage tank for standby; fly ash is directly transported from the thermoelectric fly ash storage bin to the on-site small-scale fly ash storage bin by pneumatic force; bentonite, choose bentonite with a fineness of 200 mesh, and store it in the raw material storage tank through bucket...

Embodiment 2

[0043] A multifunctional ceramsite using pickling sludge as a flux, in parts by weight, its raw material ratio is: 15 parts of pickling sludge, 73 parts of fly ash, and 12 parts of bentonite;

[0044] Wherein, the pickling sludge is dried pickling sludge with a water content lower than 2%.

[0045] The production method of this multifunctional ceramsite, concrete steps are as follows:

[0046] 1) Raw material processing:

[0047] The pickling sludge is pre-dried by using the waste heat of the rotary kiln. After the water content of the sludge is lower than 2%, it enters the dry ball mill for grinding. Tanks for standby; fly ash is directly transported from the thermoelectric fly ash storage bin to the on-site small fly ash storage bin by pneumatic force; bentonite with a fineness of 200 mesh is selected for bentonite, which is stored in the raw material storage tank through bucket lifting for standby use;

[0048] 2) Mix and stir:

[0049] Weigh pickling sludge, fly ash, an...

Embodiment 3

[0056] A multifunctional ceramsite using pickling sludge as a fluxing agent, the ratio of raw materials in parts by weight is: 20 parts of pickling sludge, 68 parts of fly ash, and 12 parts of bentonite.

[0057] Wherein, the pickling sludge is dried pickling sludge with a water content lower than 2%.

[0058] The production method of this multifunctional ceramsite, concrete steps are as follows:

[0059] 1) Raw material processing:

[0060] The pickling sludge is pre-dried by using the waste heat of the rotary kiln. After the water content of the sludge is lower than 2%, it enters the dry ball mill for grinding. Tanks for standby; fly ash is directly transported from the thermoelectric fly ash storage bin to the on-site small fly ash storage bin by pneumatic force; bentonite with a fineness of 200 mesh is selected for bentonite, which is stored in the raw material storage tank through bucket lifting for standby;

[0061] 2) Mix and stir:

[0062] Weigh pickling sludge, fly...

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Abstract

The invention discloses a multifunctional ceramsite using pickling sludge as a fluxing agent and a production method thereof. The pickling sludge, fly ash and bentonite are used as main raw materials; the three raw materials are mixed in proportion and granulated, dried, calcinated and cooled to obtain the multifunctional ceramsite. The production method provided by the invention utilizes local solid wastes to obtain the multifunctional ceramsite, not only solves a problem of treatment of the local solid wastes, obtains the multifunctional ceramsite which has high physical strength, good chemical stability, small bulk density and large specific surface area and can be used in construction, water treatment, landscape arts and other fields, but also reduces production costs of the ceramsite, and has a good market prospect.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a multifunctional ceramsite using pickling sludge as a flux and a production method thereof. Background technique [0002] Ceramsite is a kind of light aggregate produced by granulating and roasting inorganic materials as the main raw material. The outer surface of ceramsite has a waterproof and hard glaze layer shell, and the inside has a closed microporous structure. According to different functions of ceramsite, ceramsite can be used as building material as light aggregate; in water treatment industry as water treatment filter material; in garden industry as substrate for soilless cultivation. [0003] At present, the firing temperature of fly ash ceramsite in the market is high, the energy consumption is large, and the cost of ceramsite remains high. Based on the above reasons, it is particularly necessary to develop a multifunctional ceramsite with a low-cost flux. [...

Claims

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Application Information

Patent Timeline
08 Dec 2017
Publication
CN107445592A
IPC
C04B33/135; C04B33/132; C04B33/13; C04B33/32
CPC
C04B33/13; C04B33/132; C04B33/1352; C04B33/32; C04B2235/5436; C04B2235/5463; C04B2235/606; C04B2235/656
Inventors
马韵升; 史庆苓