CN107140943A - A kind of preparation method of dedusting ceramic filter layer - Google Patents

A kind of preparation method of dedusting ceramic filter layer Download PDF

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Publication number
CN107140943A
CN107140943A CN201710288135.6A CN201710288135A CN107140943A CN 107140943 A CN107140943 A CN 107140943A CN 201710288135 A CN201710288135 A CN 201710288135A CN 107140943 A CN107140943 A CN 107140943A
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parts
ball
filter layer
heavy
preparation
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金运掌
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Shure Environmental Technology Hefei Co Ltd
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Shure Environmental Technology Hefei Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/132—Waste materials; Refuse; Residues
    • C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
    • C04B33/1322—Red mud
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/02—Loose filtering material, e.g. loose fibres
    • B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3409—Boron oxide, borates, boric acids, or oxide forming salts thereof, e.g. borax
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    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a kind of preparation method of dedusting ceramic filter layer, comprise the following steps：Step 1：Prepare light ceramics coarse media；Step 2：Prepare the ceramic fine filtering material of heavy；Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying light ceramics coarse media, provided with the cotton gauze that thickness is 0.8 ~ 2.5mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media.The present invention provides a kind of preparation method of dedusting ceramic filter layer, the filter layer is main to be made up of light ceramics coarse media and the ceramic fine filtering material of heavy, centre laying is by cotton gauze, so that filter layer is difficult mixed layer, the physical behavior of each filter layer is not influenceed, and light ceramics coarse media and the ceramic fine filtering material manufacture craft of heavy are simple, and cost is low, obtained filtrate high mechanical strength, therefore dry linting is difficult when in use.

Description

A kind of preparation method of dedusting ceramic filter layer
Technical field
The invention belongs to environmental friendly material field, and in particular to a kind of preparation method of dedusting ceramic filter layer.
Background technology
Bed Filtration dedusting is in terms of the industrial high temperature delay dust such as steel, metallurgy, electric power and building materials is removed With unique advantage.Its dust-cleaning principle is：Filter layer（Bed）By slightly and gently being constituted with thin and weight double-layer filter material.During filtering, The high-temperature flue gas of dust-laden passes through filtering layer from top to bottom.First pass through portion big absolutely in the relatively thick upper strata filtrate compared with light particle, retention gas The dust divided, then by the filtrate lower floor of relatively thin heavier particle, intercept and capture the fine dust for leaking through filtrate.This thickness weight is not With the filtering of two layers of step, higher filter efficiency and low pressure drop can be obtained simultaneously.In order to which the filter layer after blowback is still protected Hold upper coarse and lower fine double-layer structure, it is necessary to construct filter layer using the different filtrate of two kinds of density.The filtering of prior art The layer adjustable range such as proportion and porosity is smaller, layer is easily mixed, so as to have a strong impact on dust-filtering effect.
The content of the invention
In view of the above-mentioned problems, the technical problem to be solved in the present invention is to provide a kind of preparation side of dedusting ceramic filter layer Method, intensity is high, is difficult dry linting.
To achieve the above object, the technical scheme is that：A kind of preparation method of dedusting ceramic filter layer, including with Lower step：
Step 1：Prepare light ceramics coarse media, according to parts by weight match preparing raw material A, additional pore former, by them together It is put into batch mixer and is mixed to get blank, obtained blank is put into ball mill the 3 ~ 5h that dry grinds into particulate powder, its Central Plains Material A crosses 200 mesh, and pore creating material crosses 150 mesh；The particulate powder and water that ball milling is obtained progressively are put into balling-up in nodulizer, first Particulate powder of the water spray in nodulizer, forms a diameter of 0.3 ~ 0.6mm ball, is then alternately put into water and graininess powder Last A, ball becomes larger, until forming a diameter of 3 ~ 6mm ball；Finally obtained ball is put into drying machine, passed through 80 ~ 120 DEG C of 80 ~ 160min of heated-air drying；It will be put into by dried ball in burning cellar for storing things, firing temperature is 1000 ~ 1200 DEG C, light ceramics coarse media is obtained after cooling；
Step 2：The ceramic fine filtering material of heavy is prepared, preparing raw material B is matched according to parts by weight, places them into batch mixer and mix Blank is obtained, obtained blank the 6 ~ 8h that dry grinds is put into ball mill into particulate powder, wherein raw material A crosses 100 mesh；By ball milling Obtained particulate powder and water is progressively put into balling-up in nodulizer, the particulate powder in nodulizer of first spraying water, and is formed A diameter of 0.1 ~ 0.5mm ball, is then alternately put into water and particulate powder, ball becomes larger, until forming a diameter of 1 ~ 3mm ball；Finally obtained ball is put into dryer, passes through 60 ~ 80 DEG C of 40 ~ 80min of hot-air seasoning；It will pass through Ball after drying is put into burning cellar for storing things, and firing temperature is 800 ~ 1000 DEG C, and the ceramic fine filtering material of heavy is obtained after cooling；
Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying Lightweight ceramic Porcelain coarse media, provided with the cotton yarn that thickness is 0.8 ~ 2.5mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media Net.
Preferably, any one of the pore creating material in ammonium hydrogen carbonate, calcium carbonate and sodium acid carbonate.
Preferably, the addition of the water in the step 1 is the 8 ~ 15% of particulate powder addition.
Preferably, the preparing raw material A in the step 1 has consisting of according to parts by weight：60 ~ 80 parts of kaolin, stone 10 ~ 30 parts of English, 5 ~ 10 parts of sodium metasilicate, 3 ~ 12 parts of clay, 6 ~ 15 parts of red mud.
Preferably, the preparing raw material B in the step 2 has consisting of according to parts by weight：40 ~ 50 parts of mulling stone, cunning 5 ~ 17 parts of stone, 4 ~ 12 parts of porcelain stone grain, 3 ~ 12 parts of borax, 2 ~ 16 parts of bauxite.
Preferably, the density of the light ceramics coarse media is 2.1 ~ 2.3g/cm3, the ceramic fine filtering material of the heavy it is close Spend for 2.5 ~ 2.9g/cm3。
Preferably, the laying depth of the ceramic fine filtering material of the heavy is the 1/4 ~ 1/3 of filtering layer gross thickness, the light ceramics Coarse media is the 1/2 ~ 2/3 of filtering layer gross thickness.
Preferably, the cellar for storing things of burning is tunnel cellar for storing things or shuttle-type cellar for storing things.
The beneficial effects of the present invention are：The present invention provides a kind of preparation method of dedusting ceramic filter layer, the filter layer Main to be made up of light ceramics coarse media and the ceramic fine filtering material of heavy, centre laying is by cotton gauze so that filter layer is difficult mixed layer, The physical behavior of each filter layer is not influenceed, and light ceramics coarse media and the ceramic fine filtering material manufacture craft of heavy are simple, and cost is low, Obtained filtrate high mechanical strength, therefore dry linting is difficult when in use.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, following examples, to present invention progress It is further to describe in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, this is not limited Invention.
Embodiment 1
A kind of preparation method of dedusting ceramic filter layer, comprises the following steps：
Step 1：Prepare light ceramics coarse media, according to parts by weight match preparing raw material A, additional pore former, by them together It is put into batch mixer and is mixed to get blank, obtained blank is put into ball mill the 3h that dry grinds into particulate powder, wherein raw material A 200 mesh are crossed, pore creating material crosses 150 mesh；The particulate powder and water that ball milling is obtained progressively are put into balling-up in nodulizer, first spray water Particulate powder in nodulizer, forms a diameter of 0.3mm ball, is then alternately put into water and particulate powder A, ball Become larger, until forming a diameter of 3mm ball；Finally obtained ball is put into drying machine, passes through 80 DEG C of hot blast Dry 80min；It will be put into by dried ball in burning cellar for storing things, firing temperature is 1000 DEG C, light ceramics is obtained after cooling thick Filtrate；
Step 2：The ceramic fine filtering material of heavy is prepared, preparing raw material B is matched according to parts by weight, places them into batch mixer and mix Blank is obtained, obtained blank the 6h that dry grinds is put into ball mill into particulate powder, wherein raw material A crosses 100 mesh；Ball milling is obtained To particulate powder and water be progressively put into balling-up in nodulizer, the particulate powder in nodulizer of first spraying water is formed straight Footpath is 0.1mm ball, is then alternately put into water and particulate powder, ball becomes larger, until forming a diameter of 1mm ball Core；Finally obtained ball is put into dryer, passes through 60 DEG C of hot-air seasoning 40min；Ball after drying is put Enter to burn in cellar for storing things, firing temperature is 800 DEG C, the ceramic fine filtering material of heavy is obtained after cooling；
Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying Lightweight ceramic Porcelain coarse media, provided with the cotton gauze that thickness is 0.8mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media.
Any one of the pore creating material in ammonium hydrogen carbonate, calcium carbonate and sodium acid carbonate.
The addition of water in the step 1 is the 8% of particulate powder addition.
Preparing raw material A in the step 1 has consisting of according to parts by weight：60 parts of kaolin, quartzy 10 parts, silicic acid 5 parts of sodium, 3 parts of clay, 6 parts of red mud.
Preparing raw material B in the step 2 has consisting of according to parts by weight：40 parts of mulling stone, 5 parts of talcum, porcelain stone 4 parts of grain, 3 parts of borax, 2 parts of bauxite.
The density of the light ceramics coarse media is 2.1g/cm3, the density of the ceramic fine filtering material of the heavy is 2.5g/cm3。
The laying depth of the ceramic fine filtering material of the heavy is the 1/4 of filtering layer gross thickness, and the light ceramics coarse media is filter The 1/2 of layer gross thickness.
The cellar for storing things of burning is tunnel cellar for storing things or shuttle-type cellar for storing things.
Embodiment 2
A kind of preparation method of dedusting ceramic filter layer, comprises the following steps：
Step 1：Prepare light ceramics coarse media, according to parts by weight match preparing raw material A, additional pore former, by them together It is put into batch mixer and is mixed to get blank, obtained blank is put into ball mill the 4h that dry grinds into particulate powder, wherein raw material A 200 mesh are crossed, pore creating material crosses 150 mesh；The particulate powder and water that ball milling is obtained progressively are put into balling-up in nodulizer, first spray water Particulate powder in nodulizer, forms a diameter of 0.5mm ball, is then alternately put into water and particulate powder A, ball Become larger, until forming a diameter of 4mm ball；Finally obtained ball is put into drying machine, passes through 100 DEG C of hot blast Dry 100min；It will be put into by dried ball in burning cellar for storing things, firing temperature is 1100 DEG C, light ceramics is obtained after cooling thick Filtrate；
Step 2：The ceramic fine filtering material of heavy is prepared, preparing raw material B is matched according to parts by weight, places them into batch mixer and mix Blank is obtained, obtained blank the 7h that dry grinds is put into ball mill into particulate powder, wherein raw material A crosses 100 mesh；Ball milling is obtained To particulate powder and water be progressively put into balling-up in nodulizer, the particulate powder in nodulizer of first spraying water is formed straight Footpath is 0.3mm ball, is then alternately put into water and particulate powder, ball becomes larger, until forming a diameter of 2mm ball Core；Finally obtained ball is put into dryer, passes through 70 DEG C of hot-air seasoning 60min；Ball after drying is put Enter to burn in cellar for storing things, firing temperature is 900 DEG C, the ceramic fine filtering material of heavy is obtained after cooling；
Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying Lightweight ceramic Porcelain coarse media, provided with the cotton gauze that thickness is 1.5mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media.
Any one of the pore creating material in ammonium hydrogen carbonate, calcium carbonate and sodium acid carbonate.
The addition of water in the step 1 is the 10% of particulate powder addition.
Preparing raw material A in the step 1 has consisting of according to parts by weight：70 parts of kaolin, quartzy 20 parts, silicic acid 7 parts of sodium, 8 parts of clay, 10 parts of red mud.
Preparing raw material B in the step 2 has consisting of according to parts by weight：45 parts of mulling stone, 12 parts of talcum, porcelain stone 8 parts of grain, 8 parts of borax, 9 parts of bauxite.
The density of the light ceramics coarse media is 2.2g/cm3, the density of the ceramic fine filtering material of the heavy is 2.7g/cm3。
The laying depth of the ceramic fine filtering material of the heavy is the 1/4 of filtering layer gross thickness, and the light ceramics coarse media is filter The 2/3 of layer gross thickness.
The cellar for storing things of burning is tunnel cellar for storing things or shuttle-type cellar for storing things.
Embodiment 3
A kind of preparation method of dedusting ceramic filter layer, comprises the following steps：
Step 1：Prepare light ceramics coarse media, according to parts by weight match preparing raw material A, additional pore former, by them together It is put into batch mixer and is mixed to get blank, obtained blank is put into ball mill the 5h that dry grinds into particulate powder, wherein raw material A 200 mesh are crossed, pore creating material crosses 150 mesh；The particulate powder and water that ball milling is obtained progressively are put into balling-up in nodulizer, first spray water Particulate powder in nodulizer, forms a diameter of 0.6mm ball, is then alternately put into water and particulate powder A, ball Become larger, until forming a diameter of 6mm ball；Finally obtained ball is put into drying machine, passes through 120 DEG C of hot blast Dry 160min；It will be put into by dried ball in burning cellar for storing things, firing temperature is 1200 DEG C, light ceramics is obtained after cooling thick Filtrate；
Step 2：The ceramic fine filtering material of heavy is prepared, preparing raw material B is matched according to parts by weight, places them into batch mixer and mix Blank is obtained, obtained blank the 8h that dry grinds is put into ball mill into particulate powder, wherein raw material A crosses 100 mesh；Ball milling is obtained To particulate powder and water be progressively put into balling-up in nodulizer, the particulate powder in nodulizer of first spraying water is formed straight Footpath is 0.5mm ball, is then alternately put into water and particulate powder, ball becomes larger, until forming a diameter of 3mm ball Core；Finally obtained ball is put into dryer, passes through 80 DEG C of hot-air seasoning 80min；Ball after drying is put Enter to burn in cellar for storing things, firing temperature is 1000 DEG C, the ceramic fine filtering material of heavy is obtained after cooling；
Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying Lightweight ceramic Porcelain coarse media, provided with the cotton gauze that thickness is 2.5mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media.
Any one of the pore creating material in ammonium hydrogen carbonate, calcium carbonate and sodium acid carbonate.
The addition of water in the step 1 is the 15% of particulate powder addition.
Preparing raw material A in the step 1 has consisting of according to parts by weight：80 parts of kaolin, quartzy 30 parts, silicic acid 10 parts of sodium, 12 parts of clay, 15 parts of red mud.
Preparing raw material B in the step 2 has consisting of according to parts by weight：50 parts of mulling stone, 17 parts of talcum, porcelain stone 12 parts of grain, 12 parts of borax, 16 parts of bauxite.
The density of the light ceramics coarse media is 2.3g/cm3, the density of the ceramic fine filtering material of the heavy is 2.9g/cm3。
The laying depth of the ceramic fine filtering material of the heavy is the 1/3 of filtering layer gross thickness, and the light ceramics coarse media is filter The 2/3 of layer gross thickness.
The cellar for storing things of burning is tunnel cellar for storing things or shuttle-type cellar for storing things.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.

Claims (8)

1. a kind of preparation method of dedusting ceramic filter layer, it is characterised in that comprise the following steps：
Step 1：Prepare light ceramics coarse media, according to parts by weight match preparing raw material A, additional pore former, by them together It is put into batch mixer and is mixed to get blank, obtained blank is put into ball mill the 3 ~ 5h that dry grinds into particulate powder, its Central Plains Material A crosses 200 mesh, and pore creating material crosses 150 mesh；The particulate powder and water that ball milling is obtained progressively are put into balling-up in nodulizer, first Particulate powder of the water spray in nodulizer, forms a diameter of 0.3 ~ 0.6mm ball, is then alternately put into water and graininess powder Last A, ball becomes larger, until forming a diameter of 3 ~ 6mm ball；Finally obtained ball is put into drying machine, passed through 80 ~ 120 DEG C of 80 ~ 160min of heated-air drying；It will be put into by dried ball in burning cellar for storing things, firing temperature is 1000 ~ 1200 DEG C, light ceramics coarse media is obtained after cooling；
Step 2：The ceramic fine filtering material of heavy is prepared, preparing raw material B is matched according to parts by weight, places them into batch mixer and mix Blank is obtained, obtained blank the 6 ~ 8h that dry grinds is put into ball mill into particulate powder, wherein raw material A crosses 100 mesh；By ball milling Obtained particulate powder and water is progressively put into balling-up in nodulizer, the particulate powder in nodulizer of first spraying water, and is formed A diameter of 0.1 ~ 0.5mm ball, is then alternately put into water and particulate powder, ball becomes larger, until forming a diameter of 1 ~ 3mm ball；Finally obtained ball is put into dryer, passes through 60 ~ 80 DEG C of 40 ~ 80min of hot-air seasoning；It will pass through Ball after drying is put into burning cellar for storing things, and firing temperature is 800 ~ 1000 DEG C, and the ceramic fine filtering material of heavy is obtained after cooling；
Step 3：Ceramic filter layer is constructed, the ceramic fine filtering material of lower floor's laying heavy in dust removal filter, upper strata laying Lightweight ceramic Porcelain coarse media, provided with the cotton yarn that thickness is 0.8 ~ 2.5mm between the ceramic fine filtering material of the heavy and the light ceramics coarse media Net.
2. a kind of preparation method of dedusting ceramic filter layer according to claim 1, it is characterised in that the pore creating material choosing From any one in ammonium hydrogen carbonate, calcium carbonate and sodium acid carbonate.
3. the preparation method of a kind of dedusting ceramic filter layer according to claim 1, it is characterised in that in the step 1 Water addition be particulate powder addition 8 ~ 15%.
4. the preparation method of a kind of dedusting ceramic filter layer according to claim 1, it is characterised in that in the step 1 Preparing raw material A have consisting of according to parts by weight：60 ~ 80 parts of kaolin, 10 ~ 30 parts of quartz, 5 ~ 10 parts of sodium metasilicate, clay 3 ~ 12 parts, 6 ~ 15 parts of red mud.
5. the preparation method of a kind of dedusting ceramic filter layer according to claim 1, it is characterised in that in the step 2 Preparing raw material B have consisting of according to parts by weight：40 ~ 50 parts of mulling stone, 5 ~ 17 parts of talcum, porcelain stone grain 4 ~ 12 parts, borax 3 ~ 12 parts, 2 ~ 16 parts of bauxite.
6. a kind of preparation method of dedusting ceramic filter layer according to claim 1, it is characterised in that the light ceramics The density of coarse media is 2.1 ~ 2.3g/cm3, the density of the ceramic fine filtering material of the heavy is 2.5 ~ 2.9g/cm3。
7. a kind of preparation method of dedusting ceramic filter layer according to claim 1, it is characterised in that the heavy ceramics The laying depth of fine filtering material is the 1/4 ~ 1/3 of filtering layer gross thickness, and the light ceramics coarse media is the 1/2 ~ 2/ of filtering layer gross thickness 3。
8. the preparation method of a kind of dedusting ceramic filter layer according to claim 1, it is characterised in that the burning cellar for storing things is tunnel Store or shuttle-type cellar for storing things in road.
CN201710288135.6A 2017-04-27 2017-04-27 A kind of preparation method of dedusting ceramic filter layer Withdrawn CN107140943A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107573094A (en) * 2017-09-11 2018-01-12 蒙娜丽莎集团股份有限公司 A kind of micropore ceramic filtration medium for hot environment and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103553704A (en) * 2013-11-08 2014-02-05 武汉理工大学 Method for preparing high-temperature dust removal ceramic filter pipe by utilizing andalusite
CN103553703A (en) * 2013-11-08 2014-02-05 武汉理工大学 Preparation method of novel ceramic filter layer for high-temperature dust removal
CN104436777A (en) * 2014-12-26 2015-03-25 贵州师范大学 Integrated cement-casting slow-filtering basin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103553704A (en) * 2013-11-08 2014-02-05 武汉理工大学 Method for preparing high-temperature dust removal ceramic filter pipe by utilizing andalusite
CN103553703A (en) * 2013-11-08 2014-02-05 武汉理工大学 Preparation method of novel ceramic filter layer for high-temperature dust removal
CN104436777A (en) * 2014-12-26 2015-03-25 贵州师范大学 Integrated cement-casting slow-filtering basin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107573094A (en) * 2017-09-11 2018-01-12 蒙娜丽莎集团股份有限公司 A kind of micropore ceramic filtration medium for hot environment and preparation method thereof
CN107573094B (en) * 2017-09-11 2020-04-07 蒙娜丽莎集团股份有限公司 Microporous ceramsite filter medium for high-temperature environment and preparation method thereof

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Application publication date: 20170908