CN104309225A - Method for preparing urban sludge ceramic heat collection panel - Google Patents

Method for preparing urban sludge ceramic heat collection panel Download PDF

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Publication number
CN104309225A
CN104309225A CN201410535342.3A CN201410535342A CN104309225A CN 104309225 A CN104309225 A CN 104309225A CN 201410535342 A CN201410535342 A CN 201410535342A CN 104309225 A CN104309225 A CN 104309225A
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China
Prior art keywords
preparation
thermal
heat collection
layer
ceramic heat
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CN201410535342.3A
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Chinese (zh)
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CN104309225B (en
Inventor
唐竹兴
杨亚琼
孙晓东
王忠川
谢亚茜
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Shandong University of Technology
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Shandong University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)

Abstract

The invention discloses a method for preparing an urban sludge ceramic heat collection panel. The urban sludge ceramic heat collection panel is characterized by consisting of three parts, a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the urban sludge ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that urban sludge ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

Description

A kind of preparation method of municipal sludge ceramic heat collecting plate
Technical field
The present invention relates to a kind of preparation method of municipal sludge ceramic heat collecting plate, belong to field of ceramic preparation technology.
Background technology
Municipal sludge ceramic heat collecting plate can produce a large amount of heat energy when being subject to sunlight.Still continue to use the method for evaporating brine in traditional salt pan in coastal area salt industry, efficiency is lower.
Summary of the invention
The object of this invention is to provide the preparation method of the municipal sludge ceramic heat collecting plate that a kind of heat collection function is high, production cost is low, its technical scheme is:
A preparation method for municipal sludge ceramic heat collecting plate, municipal sludge ceramic heat collecting plate is made up of thermal-arrest layer (1), transition zone (2), heat-insulation layer (3) three part, and concrete grammar comprises the following steps:
A. the preparation of thermal-arrest layer (1): by Yellow river silt, municipal sludge with after weight ratio to be 50 ~ 90:10 ~ 50 added weight percentage the be ceramic paint Homogeneous phase mixing of 5 ~ 30 %, in Cinker clew furnace, at the temperature of 1350 ~ 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1 ~ 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5 ~ 20% mullite Homogeneous phase mixing be levigately 10 ~ 50 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 5 ~ 30 %, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1 ~ 1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of municipal sludge ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1 ~ 10mm, profile height is 25 ~ 35mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1 ~ 5mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25 ~ 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 ~ 5 hour is incubated at the temperature of 900 ~ 1200 DEG C, crystallization at the temperature of 600 ~ 950 DEG C, anneal 5 ~ 15 hours, through cooling, come out of the stove, cutting and surface grinding make municipal sludge ceramic heat collecting plate.
Compared with prior art, its advantage is in the present invention:
1, municipal sludge ceramic heat collecting plate provided by the invention takes full advantage of in municipal sludge containing miscellaneous metal ion, burn till through high temperature and form complicated solid solution, due in solid solution containing various defect and energy ionic bond not etc., its thermal vibration spectrum distribution is in wider scope, the light wave catching each frequency can be fully flutterred under the irradiation of sunshine, make the surface temperature of municipal sludge ceramic heat collecting plate up to 100 DEG C, hot-cast socket ability can reach more than 95%;
2, the present invention can be prepared into monochrome, tertiary colour etc. plant municipal sludge ceramic heat collecting plate by adding ceramic toner, and this ceramic heat collecting plate has stronger decoration, insulation, waterproof, sound insulation and the characteristic such as shockproof;
3, in the middle of thermal-arrest layer and heat-insulation layer, add transition zone, efficiently solve that the hole diameter caused because material melting point is inconsistent between thermal-arrest layer and heat-insulation layer is excessive, shortcoming that bond strength and thermal shock resistance reduce;
4, the present invention is owing to have employed once-firing, reduces the production cost of municipal sludge ceramic heat collecting plate significantly;
5, the municipal sludge ceramic heat collecting plate prepared of the present invention is for the Salt production of coastal area, can make Salt production serialization, also have improve significantly while enhancing productivity significantly for the cleanliness factor of product salt.
Accompanying drawing explanation
Fig. 1 is that holding of a kind of municipal sludge ceramic heat collecting plate burns mould and assembly structure schematic diagram;
1, thermal-arrest layer; 2, transition zone; 3, heat-insulation layer; 4, burning version is held; 5, external partition; 6, internal partition.
Detailed description of the invention
embodiment 1
A. the preparation of thermal-arrest layer (1): be 50:50 added weight percentage with weight ratio by Yellow river silt, municipal sludge be after the ceramic paint Homogeneous phase mixing of 5 %, in Cinker clew furnace, at the temperature of 1350 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5% mullite Homogeneous phase mixing be levigately 10 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 5 %, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of municipal sludge ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1mm, profile height is 25mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 hour is incubated at the temperature of 900 DEG C, crystallization at the temperature of 600 DEG C, anneal 5 hours, through cooling, come out of the stove, cutting and surface grinding make municipal sludge ceramic heat collecting plate.
embodiment 2
A. the preparation of thermal-arrest layer (1): be 70:30 added weight percentage with weight ratio by Yellow river silt, municipal sludge be after the ceramic paint Homogeneous phase mixing of 18%, in Cinker clew furnace, at the temperature of 1400 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 1mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 13% mullite Homogeneous phase mixing be levigately 30 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 12 %, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.5mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of municipal sludge ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 5mm, profile height is 30mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 3mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 30mm, then the external partition (5) of surrounding is taken out, internal partition (6), 3 hours are incubated at the temperature of 1050 DEG C, crystallization at the temperature of 800 DEG C, anneal 10 hours, through cooling, come out of the stove, cutting and surface grinding make municipal sludge ceramic heat collecting plate.
embodiment 3
A. the preparation of thermal-arrest layer (1): be 90:10 added weight percentage with weight ratio by Yellow river silt, municipal sludge be after the ceramic paint Homogeneous phase mixing of 30 %, in Cinker clew furnace, at the temperature of 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 20% mullite Homogeneous phase mixing be levigately 50 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): be, after the gangue Homogeneous phase mixing of 30 %, make by mist projection granulating the heat-insulation layer raw material that granularity is 1mm by the thermal-arrest layer frit particle added weight percentage prepared in step a;
D. the preparation of municipal sludge ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 10mm, profile height is 35mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 5mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 5 hours are incubated at the temperature of 1200 DEG C, crystallization at the temperature of 950 DEG C, anneal 15 hours, through cooling, come out of the stove, cutting and surface grinding make municipal sludge ceramic heat collecting plate.

Claims (1)

1. a preparation method for municipal sludge ceramic heat collecting plate, is characterized in that: municipal sludge ceramic heat collecting plate is made up of thermal-arrest layer (1), transition zone (2), heat-insulation layer (3) three part, and concrete preparation method comprises the following steps:
A. the preparation of thermal-arrest layer (1): by Yellow river silt, municipal sludge with after weight ratio to be 50 ~ 90:10 ~ 50 added weight percentage the be ceramic paint Homogeneous phase mixing of 5 ~ 30 %, in Cinker clew furnace, at the temperature of 1350 ~ 1450 DEG C, melt process makes the thermal-arrest layer frit particle that granularity is 0.1 ~ 2mm;
B. the preparation of transition zone (2): by the thermal-arrest layer frit particle added weight percentage prepared in step a be 5 ~ 20% mullite Homogeneous phase mixing be levigately 10 ~ 50 μm to granularity and make excessive layer raw material;
C. the preparation of heat-insulation layer (3): by the thermal-arrest layer frit particle added weight percentage prepared in step a be the gangue of 5 ~ 30 % levigate after, make by mist projection granulating the heat-insulation layer raw material that granularity is 0.1 ~ 0.6mm;
D. the preparation of municipal sludge ceramic heat collecting plate: first adopt load bearing board (4) left, right, before, the cube that rear and bottom surface surrounds top-open holds burning mould, and apply releasing agent, then by the thermal-arrest layer frit uniform particles plain cloth of preparation in step (a) in holding the bottom of burning mould, and the medial surface being evenly distributed in and holding and burn mould is separated with external partition (5), thickness is 1 ~ 10mm, profile height is 25 ~ 35mm, use internal partition (6) that the transition zone raw material of preparation in step (b) is evenly distributed in the inner side of thermal-arrest layer frit particle again, thickness is 1 ~ 5mm, then by the even plain cloth of heat-insulation layer raw material of preparation in step (c) inside transition zone raw material, the gross thickness of vertically holding the inner plane direction, bottom of burning mould is made to reach 25 ~ 35mm, then the external partition (5) of surrounding is taken out, internal partition (6), 1 ~ 5 hour is incubated at the temperature of 900 ~ 1200 DEG C, crystallization at the temperature of 600 ~ 950 DEG C, anneal 5 ~ 15 hours, through cooling, come out of the stove, cutting and surface grinding make municipal sludge ceramic heat collecting plate.
CN201410535342.3A 2014-10-13 2014-10-13 A kind of preparation method of municipal sludge ceramic heat collecting plate Expired - Fee Related CN104309225B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102966A (en) * 1986-04-22 1987-11-04 山东省新材料研究所 Method for forming black porcelain solar heat collecting plate
CN101893342A (en) * 2009-02-16 2010-11-24 曹树梁 Slip casting ceramic solar panel having inlet and outlet connectors
CN103664209A (en) * 2013-11-28 2014-03-26 山东理工大学 Method for preparing Ca-AlON ceramic oven bricks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86102966A (en) * 1986-04-22 1987-11-04 山东省新材料研究所 Method for forming black porcelain solar heat collecting plate
CN101893342A (en) * 2009-02-16 2010-11-24 曹树梁 Slip casting ceramic solar panel having inlet and outlet connectors
CN103664209A (en) * 2013-11-28 2014-03-26 山东理工大学 Method for preparing Ca-AlON ceramic oven bricks

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