CN102320819A - Regular ripple ceramic filling and preparation method thereof - Google Patents

Abstract

The invention relates to a regular ripple ceramic filling and a preparation method thereof. The regular ripple ceramic filling is characterized by comprising the following components in percentage by weight: 40-55 percent of aluminum oxide, 15-30 percent of silicon dioxide, 10-25 percent of kaolin, 5-8 percent of zircon sand, 5-8 percent of calcium carbonate, and 0.1-0.3 percent of sodium carboxymethylcellulose. The preparation method comprises: ball milling, sieving, filter pressing, vacuum pugging, slicing, extruding, bonding, molding, dehydrating and calcining to obtain a finished product. Due to the adoption of reasonable components, proportions and preparation method, the high-temperature resistance and corrosion resistance of the regular ripple ceramic filling are improved, the compression strength and shock resistance are enhanced, and the service life is prolonged.

Description

Regular corrugation ceramic filling material and preparation method thereof

Technical field

The present invention relates to a kind of regular corrugation ceramic filling material and preparation method thereof, be used in the packing tower of production processes such as oil, chemical industry, medicine, metallurgy, printing and dyeing.

Background technology

Packing tower is the common equipment of Chemical Manufacture; It has characteristics such as simple in structure, cheap; In packing tower, choosing suitable tower packing is one of key factor of packing tower operational quality, according to the different in kind of medium that packing tower is handled, and granular filler or the structured packing that can select for use various suitable materials to process; At present; Ceramic packing is widely used in the packing tower of production processes such as oil, chemical industry, medicine, metallurgy, printing and dyeing because of it has acidproof, alkaline-resisting characteristics, and especially the application of regular corrugation ceramic filling material in packing tower is more extensive.Existing regular corrugation ceramic filling material exists compressive strength low mostly, and poor seismic behavior is prone to take place broken, and resistance to elevated temperatures and corrosion resistance nature are relatively poor, cause short problem in work-ing life, and price are more expensive, and production cost is improved greatly.

Summary of the invention

The applicant has carried out research and has improved to above-mentioned problem, and a kind of regular corrugation ceramic filling material and preparation method thereof is provided, and improves regular corrugation ceramic filling material resistance to elevated temperatures and corrosion resistance nature, strengthens compressive strength and anti-seismic performance, increases the service life.

In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:

A kind of regular corrugation ceramic filling material comprises following component by weight percentage:

Further:

Comprise following component by weight percentage:

A kind of preparation method of regular corrugation ceramic filling material comprises the following steps:

Step 1, aluminium sesquioxide, silicon-dioxide, kaolin, zircon sand, lime carbonate are added ball mill by proportioning carry out ball milling, the slurry behind the ball milling is through the screening of 250～400 mesh sieves;

Step 2, the slurry press filtration is become porcelain mud, add by proportioning and carry out vacuum pugging behind the Xylo-Mucine and become the piece material, and be cut into sheet stock at pressure filter;

Step 3, sheet stock is squeezed into beading with shaper, with caking agent that beading angle on request is bonding, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Step 4, blank is placed in the drying room, at 200～300 ℃ of 2～3 hours dewatered dryings of insulation down;

Step 5, blank is placed in the kiln, 1000～1300 ℃ down insulation calcination in 4～6 hours become finished product.

Technique effect of the present invention is:

A kind of regular corrugation ceramic filling material disclosed by the invention and preparation method thereof selects for use rational component, proportioning and preparation method to improve regular corrugation ceramic filling material resistance to elevated temperatures and corrosion resistance nature, strengthens compressive strength and anti-seismic performance, increases the service life.

Embodiment

Following specific embodiments of the invention is done further detailed explanation.

Embodiment 1,

48 kilograms of aluminium sesquioxides, 22 kilograms of silicon-dioxide, 18 kilograms of kaolin, 6 kilograms of zircon sands, 5.8 kilograms of adding ball mills of lime carbonate are carried out ball milling, and the slurry behind the ball milling is through the screening of 300 mesh sieves;

At pressure filter the slurry press filtration is become porcelain mud, add and to carry out vacuum pugging behind 0.2 kilogram of the Xylo-Mucine and become the piece material, and be cut into sheet stock;

With shaper sheet stock is squeezed into 1 millimeter beading, with caking agent that beading angle on request is bonding, caking agent is the ceramic bonding agent, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Blank is placed in the drying room, be incubated 3 hours dewatered dryings down at 200 ℃;

Blank is placed in the kiln, be incubated 6 hours calcination finished products down at 1100 ℃.

Physical and chemical performance is following:

Project	The heatproof degree	Acid fastness	Fastness to alkali	Ultimate compression strength
					Detected result	1050℃	99.2％	96.5％	138Mpa

Embodiment 2,

41 kilograms of aluminium sesquioxides, 29 kilograms of silicon-dioxide, 15 kilograms of kaolin, 8 kilograms of zircon sands, 6.9 kilograms of adding ball mills of lime carbonate are carried out ball milling, and the slurry behind the ball milling is through the screening of 250 mesh sieves;

At pressure filter the slurry press filtration is become porcelain mud, add and to carry out vacuum pugging behind 0.1 kilogram of the Xylo-Mucine and become the piece material, and be cut into sheet stock;

With shaper sheet stock is squeezed into 1 millimeter beading, with caking agent that beading angle on request is bonding, caking agent is the ceramic bonding agent, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Blank is placed in the drying room, be incubated 3 hours dewatered dryings down at 250 ℃;

Blank is placed in the kiln, be incubated 5 hours calcination finished products down at 1000 ℃.

Physical and chemical performance is following:

Project	The heatproof degree	Acid fastness	Fastness to alkali	Ultimate compression strength
					Detected result	950℃	98.7％	95.3％	130Mpa

Embodiment 3,

54 kilograms of aluminium sesquioxides, 20 kilograms of silicon-dioxide, 13 kilograms of kaolin, 5.2 kilograms of zircon sands, 7.5 kilograms of adding ball mills of lime carbonate are carried out ball milling, and the slurry behind the ball milling is through the screening of 400 mesh sieves;

At pressure filter the slurry press filtration is become porcelain mud, add and to carry out vacuum pugging behind 0.3 kilogram of the Xylo-Mucine and become the piece material, and be cut into sheet stock;

With shaper sheet stock is squeezed into 1 millimeter beading, with caking agent that beading angle on request is bonding, caking agent is the ceramic bonding agent, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Blank is placed in the drying room, be incubated 2.5 hours dewatered dryings down at 300 ℃;

Blank is placed in the kiln, be incubated 4 hours calcination finished products down at 1300 ℃.

Physical and chemical performance is following:

Project	The heatproof degree	Acid fastness	Fastness to alkali	Ultimate compression strength
					Detected result	1150℃	98.5％	95.8％	145Mpa

Embodiment 4,

46 kilograms of aluminium sesquioxides, 6 kilograms of silica 1s, 24 kilograms of kaolin, 7.5 kilograms of zircon sands, 6.3 kilograms of adding ball mills of lime carbonate are carried out ball milling, and the slurry behind the ball milling is through the screening of 400 mesh sieves;

At pressure filter the slurry press filtration is become porcelain mud, add and to carry out vacuum pugging behind 0.2 kilogram of the Xylo-Mucine and become the piece material, and be cut into sheet stock;

With shaper sheet stock is squeezed into 1 millimeter beading, with caking agent that beading angle on request is bonding, caking agent is the ceramic bonding agent, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Blank is placed in the drying room, be incubated 3 hours dewatered dryings down at 300 ℃;

Blank is placed in the kiln, be incubated 5 hours calcination finished products down at 1200 ℃.

Physical and chemical performance is following:

Project	The heatproof degree	Acid fastness	Fastness to alkali	Ultimate compression strength
					Detected result	1100℃	99.2％	96.7％	142Mpa

Embodiment 5,

50 kilograms of aluminium sesquioxides, 24 kilograms of silicon-dioxide, 11 kilograms of kaolin, 7 kilograms of zircon sands, 7.8 kilograms of adding ball mills of lime carbonate are carried out ball milling, and the slurry behind the ball milling is through the screening of 300 mesh sieves;

At pressure filter the slurry press filtration is become porcelain mud, add and to carry out vacuum pugging behind 0.2 kilogram of the Xylo-Mucine and become the piece material, and be cut into sheet stock;

With shaper sheet stock is squeezed into 1 millimeter beading, with caking agent that beading angle on request is bonding, caking agent is the ceramic bonding agent, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Blank is placed in the drying room, be incubated 3 hours dewatered dryings down at 300 ℃;

Blank is placed in the kiln, be incubated 5 hours calcination finished products down at 1200 ℃.

Physical and chemical performance is following:

Project	The heatproof degree	Acid fastness	Fastness to alkali	Ultimate compression strength
					Detected result	1050℃	99.2％	96.7％	136Mpa

Claims (3)

1. regular corrugation ceramic filling material is characterized in that comprising by weight percentage following component:

2. according to the described regular corrugation ceramic filling material of claim 1, it is characterized in that comprising by weight percentage following component:

3. the preparation method of the described regular corrugation ceramic filling material of claim 1 is characterized in that comprising the following steps:

Step 1, aluminium sesquioxide, silicon-dioxide, kaolin, zircon sand, lime carbonate are added ball mill by proportioning carry out ball milling, the slurry behind the ball milling is through the screening of 250～400 mesh sieves;

Step 2, the slurry press filtration is become porcelain mud, add by proportioning and carry out vacuum pugging behind the Xylo-Mucine and become the piece material, and be cut into sheet stock at pressure filter;

Step 3, sheet stock is squeezed into beading with shaper, with caking agent that beading angle on request is bonding, then bonding beading is sent into the blank of processing the desired shape specification in the mould;

Step 4, blank is placed in the drying room, at 200～300 ℃ of 2～3 hours dewatered dryings of insulation down;

Step 5, blank is placed in the kiln, 1000～1300 ℃ down insulation calcination in 4～6 hours become finished product.