CN110668700B - Manufacturing method of high-temperature-resistant sintered filter plate by using waste glass - Google Patents
Manufacturing method of high-temperature-resistant sintered filter plate by using waste glass Download PDFInfo
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- CN110668700B CN110668700B CN201911090569.0A CN201911090569A CN110668700B CN 110668700 B CN110668700 B CN 110668700B CN 201911090569 A CN201911090569 A CN 201911090569A CN 110668700 B CN110668700 B CN 110668700B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- 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
- B01D46/0001—Making filtering elements
-
- 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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
Abstract
The invention relates to a method for manufacturing a high-temperature-resistant sintered filter plate by utilizing waste glass. Wherein: taking waste glass as a raw material, cleaning and airing the waste glass, then crushing the waste glass in a glass crusher, finely grinding crushed glass particles in a horizontal ball mill, and grinding the glass particles into glass powder for later use; proportioning glass powder, sodium bicarbonate, sodium carbonate and sodium silicate, putting the mixture into a high-speed mixer, stirring, heating, cooling and discharging; putting the mixed proportioning raw materials into a mould for sintering; annealing and demolding; boiling in water and drying; finally, head and tail processing is carried out to form a high-temperature-resistant sintered filter plate or filter cylinder with a full-through microporous structure, so that the recycling value is improved, and high-quality recycling is realized through resource conversion.
Description
Technical Field
The invention relates to waste glass and a high-temperature-resistant sintered filter plate, in particular to a method for manufacturing a high-temperature-resistant sintered porous filter plate or filter cylinder by using the waste glass as a raw material.
Background
The glass is a substance commonly used in modern life of human beings, can be made into various utensils, plate glass and the like, and simultaneously generates a plurality of waste glass and glass products, so that the waste glass and the glass products need to be collected, the harm is turned into the benefit, and the waste is changed into the valuable.
There are several types of glass product recycling currently available:
1. as a flux for casting, the recovered cullet is used as an additive raw material of a glass product, and the cullet is added in a proper amount to facilitate melting of the glass at a relatively low temperature.
2. And (4) transformation utilization, namely mixing the crushed glass with building materials to prepare building products such as building prefabricated parts, building bricks and the like.
3. And (4) re-melting, namely, pre-treating the recycled glass, and then melting and manufacturing a glass container, glass fibers and the like.
4. The inorganic non-metallic glass material is used as hollow foam, and the pores inside the material are sealed, so that the material can be used as a heat-insulating material, can be widely applied to the fields of petroleum, chemical engineering, underground engineering, national defense and military industry and the like, can achieve the effects of heat insulation, heat preservation, cold preservation and sound absorption, and has obviously increased utilization value.
Therefore, the sintering high-temperature resistant filter plate (cylinder) using the waste glass as the raw material is an important innovation for realizing high-quality recycling of resources, and the sintering high-temperature resistant filter plate (cylinder) can promote scientific research personnel in the field to research and develop new scientific research results.
Disclosure of Invention
The invention aims to provide a method for manufacturing a high-temperature-resistant sintered filter plate by using waste glass, wherein in the sintering process, a high-temperature-resistant sintered filter plate or filter cylinder with a full-through microporous structure is formed by exerting pore increasing, pore stabilizing, gas releasing and stable microporous framework on inorganic foaming materials of sodium bicarbonate, sodium carbonate and sodium silicate under different temperature conditions, so that the recycling value is improved, and high-quality cyclic utilization is realized by resource conversion.
The technical solution of the invention is as follows:
a method for manufacturing a high-temperature-resistant sintered filter plate by using waste glass comprises the following steps of carrying out processes of cleaning, crushing, ball milling, screening, proportioning, mixing, stirring, entering a die, sintering, pore increasing, pore stabilizing, annealing, water boiling, drying, head and tail processing on cullet to manufacture the high-temperature-resistant sintered filter plate or filter cylinder, wherein the processes are carried out according to the following steps:
taking waste glass as raw materials, including recycled white beer bottles and crushed glass materials, cleaning and airing the waste glass, then crushing the waste glass in a glass crusher, placing crushed glass particles in a horizontal ball mill for fine grinding, grinding and discharging the materials, then screening the materials, and taking glass powder with the particle size of 150 microns for later use;
proportioning glass powder, sodium bicarbonate, sodium carbonate and sodium silicate, putting the mixture into a high-speed mixer, stirring, heating to 60 ℃, and then cooling and discharging;
putting the mixed proportioning raw materials into a die, and erecting the die on an ultrasonic vibration table to vibrate so as to enable the base material to be compact in a die cavity;
and (3) sintering: the mold enters a furnace along a roller way to be heated, sodium bicarbonate starts to be gradually decomposed to generate sodium carbonate when the temperature of the furnace rises to 130 ℃, a large amount of communicated micropore bubbles are generated through the chemical reaction, the micropore bubbles release carbon dioxide and water, the sodium bicarbonate is completely decomposed when the temperature reaches 270 ℃ to form a micropore frame with a primary structure, when the temperature of the furnace continues to rise to 850 ℃, heated sodium silicate expands in volume to further enlarge micropores, stabilize the frame with the structure, reacts with cullet powder and releases a large amount of gas, and then the heated sodium silicate is gradually cooled to be solidified and molded;
annealing and demolding: the die enters an annealing furnace along with a roller way to be heated up to 98-102 ℃ for constant temperature, the constant temperature time is controlled to be 60-120 minutes, the die is moved out and cooled to 50 ℃, the die is opened, and the formed filter plate or filter cartridge is taken out;
boiling in water and drying: placing the preliminarily formed glass filter plate or filter cylinder in water to be submerged, requiring the plate or cylinder to lie flat in water without warping, then heating to 90 ℃ and keeping the temperature for 30 minutes, completely releasing residual sodium bicarbonate, and vertically drying after cooling;
finally, head and tail processing is carried out to form the high-temperature-resistant sintered filter plate or filter cylinder.
The head and the tail are processed by the following steps: and (3) processing the head and the tail of the dried sintering plate or cylinder, installing an opening connecting piece and a high-temperature-resistant sealing piece on the head to be connected with a purifier pattern plate, and installing a stable piece on the tail to be fixed with the bottom of the purifier to form a high-temperature-resistant sintering filter plate or filter cylinder.
According to the manufacturing method of the high-temperature sintering resistant filter plate (cylinder) utilizing the waste glass, the high-temperature sintering resistant filter plate or cylinder is manufactured by the processes of cleaning, crushing, ball milling, screening, proportioning, mixing, stirring, molding, sintering, pore increasing, pore stabilizing, annealing, water boiling, drying and head and tail processing of the glass cullet. Since glass is typically amorphous and has no constant melting point, glass is softened when heated to a certain temperature, and gradually flows when heated at a higher temperature. According to the principle, when materials are proportioned, cullet is taken as a main material, sodium bicarbonate, sodium carbonate and sodium silicate inorganic foaming materials are supplemented, the materials are added into a mold made of stainless steel according to the proportioning and mixing, the mold enters a furnace along with a roller way to be heated, when the temperature of the furnace rises to about 130 ℃, the sodium bicarbonate starts to be gradually decomposed to generate the sodium carbonate, a large amount of through micropore bubbles are generated through chemical reaction, the micropore bubbles release carbon dioxide and water, the sodium bicarbonate is completely decomposed to about 270 ℃ to form a micropore frame with a primary structure, when the temperature of the furnace rises to about 850 ℃, heated volume expansion further increases micropores, stabilizes the structure frame, reacts with cullet powder and releases a large amount of gas, and the sodium silicate is gradually cooled to be solidified and molded, meanwhile, the compression strength and tensile strength of the material structure can be enhanced, and a high-temperature resistant filter plate or filter cartridge with a full-through micropore structure is formed, greatly improves the mechanical property of the inorganic material, and ensures that the inorganic material has the characteristics of high temperature resistance and repeated use.
The sintering filter plate (cylinder) of the invention realizes the spanning from the normal temperature working condition to the working condition of resisting the high temperature of 500 ℃, and because the pore increasing and stabilizing are adopted in the technical process, the micropore structures generated inside the open pores are tightly connected and communicated with each other, thereby forming the high temperature sintering filter plate made of inorganic materials.
The high-temperature-resistant sintering filter plate (cylinder) using the waste glass as the raw material is an important way for improving the utilization level of renewable resources, realizes high-quality cyclic utilization of the resources, and achieves the purposes of relieving resource shortage, reducing pollution and protecting ecological environment.
In the sintering process of the high-temperature-resistant sintering filter plate (cylinder) manufactured by the method, the pore-increasing, pore-stabilizing, gas-releasing and stable micropore architectures are exerted by the inorganic foaming materials of sodium bicarbonate, sodium carbonate and sodium silicate under different temperature conditions, so that the high-temperature-resistant sintering filter plate (cylinder) with a full-through micropore structure is formed, the mechanical property of a glass material is fully improved, the high-temperature-resistant sintering filter plate (cylinder) has the characteristics of repeated temperature resistance and repeated use, a new option is provided for selecting the high-temperature-resistant filter plate (cylinder) for industrial dust removal and air purification, and the high-temperature-resistant sintering filter plate (cylinder) has important application value.
Drawings
FIG. 1 is a schematic view of a high temperature resistant sintered filter plate made by the method of the present invention.
Fig. 2 is a right side view of the filter plate according to fig. 1.
Fig. 3 is a bottom view of the filter plate according to fig. 1.
Fig. 4 is a sectional view a-a in fig. 1.
Fig. 5 is a schematic structural view of a high temperature resistant sintered filter cartridge made in accordance with the method of the present invention.
Fig. 6 is a top view of the filter cartridge of fig. 5.
Fig. 7 is a sectional view B-B in fig. 5.
Reference numerals:
1 is high temperature resistant sintering filter, 2 is for protecting the head, 3 is for protecting the head sealing member, 4 is the afterbody steadiness piece, and 5 is high temperature resistant sintering cartridge filter.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 7, the present invention provides a method for manufacturing a high temperature sintering resistant filter plate or filter cartridge using waste glass, which comprises the steps of cleaning, crushing, ball milling, screening, proportioning, mixing, stirring, molding, sintering, pore increasing, pore stabilizing, annealing, water boiling, drying, head and tail processing, and the method comprises the following steps:
the method comprises the following steps of taking waste glass as a raw material, wherein materials such as recycled white beer bottles and cullet are cleaned, aired and then crushed in a glass crusher, putting crushed glass particles into a horizontal ball mill for fine grinding, screening after grinding and discharging, and taking glass powder with the particle size of 150 micrometers for later use.
Proportioning glass powder, sodium bicarbonate, sodium carbonate and sodium silicate, putting the mixture into a high-speed mixer, stirring, heating to 60 ℃, cooling and discharging.
And (3) putting the mixed proportioning raw materials into a die, and erecting the die on an ultrasonic vibration table to vibrate so as to enable the base material to be compact in the die cavity.
And (3) sintering: the mold enters a furnace along a roller way to be heated, sodium bicarbonate starts to be gradually decomposed to generate sodium carbonate when the temperature of the furnace rises to about 130 ℃, a large amount of communicated micropore bubbles are generated through the chemical reaction, the micropore bubbles release carbon dioxide and water, the sodium bicarbonate is completely decomposed when the temperature reaches 270 ℃ to form a micropore frame with a primary structure, when the temperature of the furnace continues to rise to about 850 ℃, heated sodium silicate expands in volume to further enlarge micropores, stabilizes the structure frame, reacts with cullet powder and releases a large amount of gas, and then the micropore frame is gradually cooled to be solidified and molded.
Annealing and demolding: and (3) heating the die in an annealing furnace kiln along with a roller way to 100 ℃, namely, heating to 98-102 ℃, keeping the temperature constant, controlling the constant temperature time to be 60-120 minutes, immediately moving the die out, cooling to 50 ℃, opening the die, and taking out the formed filter plate or filter cylinder.
Boiling in water and drying: placing the preliminarily formed glass filter plate or filter cylinder in water, taking the plate or cylinder body submerged as a standard, requiring the plate or cylinder body to lie flat in the water without warping, then heating to 90 ℃ and keeping the temperature for 30 minutes, completely releasing the residual sodium bicarbonate, and vertically drying after cooling.
Finally, head and tail processing is carried out to form the high-temperature-resistant sintered filter plate or filter cylinder.
The head and tail processing steps are as follows: the head and the tail of the sintered plate or the dried sintered cylinder are processed, the head is provided with an open connecting piece and a high-temperature-resistant sealing piece for connecting with a pattern plate of the purifier, and the tail is provided with a stable piece for fixing with the bottom of the purifier, so that the high-temperature-resistant sintered filter plate or the filter cylinder using the waste glass as a raw material is formed.
As shown in figures 1 to 4, the high temperature sintering resistant filter plate 1 is provided with a head protector 2 at one end of the filter plate 1, a head protector sealing piece 3 is arranged outside the head protector 2, and a tail fixing piece 4 is arranged at the other end of the filter plate 1. The head that 1 one end of filter was equipped with and protects head 2 is connected with the clarifier card, and the afterbody that the filter 1 other end was equipped with afterbody steadying piece 4 is fixed with the clarifier bottom. Fig. 4 shows that the inside of the filter plate 1 has a through-pore structure, thereby forming a high-temperature-resistant sintered filter plate having a through-pore structure using waste glass as a raw material.
As shown in fig. 5 to 7, this is a high temperature sintering resistant filter cartridge 5, one end of the filter cartridge 5 is provided with a head protector 2, a head protector sealing member 3 is installed outside the head protector 2, and the other end of the filter cartridge 5 is provided with a tail fixing member 4. Cartridge filter 5 one end is equipped with the head that protects head 2 and is connected with the clarifier flower section of thick bamboo, and the cartridge filter 5 other end is equipped with the afterbody and the clarifier bottom of afterbody steadying member 4 and fixes. Fig. 7 shows that the inside of the filter cartridge 5 has a through-pore structure, thereby constituting a high-temperature-resistant sintered filter cartridge having a through-pore structure using waste glass as a raw material.
In conclusion, in the sintering process of the high-temperature-resistant sintering filter plate (cylinder) manufactured by the method, the inorganic foaming materials of sodium bicarbonate, sodium carbonate and sodium silicate play roles of increasing pores, stabilizing pores, releasing gas and stabilizing micropore architecture under different temperatures, so that the high-temperature-resistant sintering filter plate (cylinder) with a full-through micropore structure is formed, the mechanical property of a glass material is fully improved, the glass material has the characteristics of repeated temperature resistance and repeated use, a new option is provided for selecting the high-temperature-resistant filter plate (cylinder) for industrial dust removal and air purification, and the high-temperature-resistant sintering filter plate (cylinder) has important application value.
Of course, those skilled in the art will recognize that the above-described embodiments are illustrative only and not intended to be limiting, and that changes, modifications, etc. to the above-described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit and scope of the present invention.
Claims (1)
1. A method for manufacturing a high-temperature-resistant sintered filter plate by using waste glass is characterized by comprising the following steps of: the high-temperature-resistant sintered filter plate or filter cartridge is manufactured by carrying out processes of cleaning, crushing, ball milling, screening, proportioning, mixing, stirring, mold entering, sintering, pore increasing, pore stabilizing, annealing, water boiling, drying, head and tail processing on cullet, wherein the processes are carried out according to the following steps:
taking waste glass as raw materials, including recycled white beer bottles and crushed glass materials, cleaning and airing the waste glass, then crushing the waste glass in a glass crusher, placing crushed glass particles in a horizontal ball mill for fine grinding, grinding and discharging the materials, then screening the materials, and taking glass powder with the particle size of 150 microns for later use;
proportioning glass powder, sodium bicarbonate, sodium carbonate and sodium silicate, putting the mixture into a high-speed mixer, stirring, heating to 60 ℃, and then cooling and discharging;
putting the mixed proportioning raw materials into a die, and erecting the die on an ultrasonic vibration table to vibrate so as to enable the base material to be compact in a die cavity;
and (3) sintering: the mold enters a furnace along a roller way to be heated, sodium bicarbonate starts to be gradually decomposed to generate sodium carbonate when the temperature of the furnace rises to 130 ℃, a large amount of communicated micropore bubbles are generated through the chemical reaction, the micropore bubbles release carbon dioxide and water, the sodium bicarbonate is completely decomposed when the temperature reaches 270 ℃ to form a micropore frame with a primary structure, when the temperature of the furnace continues to rise to 850 ℃, heated sodium silicate expands in volume to further enlarge micropores, stabilize the frame with the structure, reacts with cullet powder and releases a large amount of gas, and then the heated sodium silicate is gradually cooled to be solidified and molded;
annealing and demolding: the die enters an annealing furnace along with a roller way to be heated up to 98-102 ℃ for constant temperature, the constant temperature time is controlled to be 60-120 minutes, the die is moved out and cooled to 50 ℃, the die is opened, and the formed filter plate or filter cartridge is taken out;
boiling in water and drying: placing the preliminarily formed glass filter plate or filter cylinder in water to be submerged, requiring the plate or cylinder to lie flat in water without warping, then heating to 90 ℃ and keeping the temperature for 30 minutes, completely releasing residual sodium bicarbonate, and vertically drying after cooling;
in the sintering process, the high-temperature-resistant sintering filter plate or filter cartridge with a full-through microporous structure is formed by the inorganic foaming materials of sodium bicarbonate, sodium carbonate and sodium silicate under different temperature conditions to increase pores, stabilize pores, release gas and stabilize a microporous framework, so that the mechanical property of the inorganic material is greatly improved, the inorganic material has the characteristics of high temperature resistance and repeated use, the recycling value is improved, and high-quality cyclic utilization is realized through resource conversion;
and finally, processing the head and the tail of the dried sintering plate or cylinder, installing an open connecting piece and a high-temperature-resistant sealing piece on the head for connecting with a purifier pattern plate, and installing a stable piece on the tail for fixing the bottom of the purifier, thereby forming the high-temperature-resistant sintering filter plate or filter cylinder.
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| CN112057953B (en) * | 2020-08-24 | 2022-07-08 | 辽宁喜来益净化环保科技有限公司 | Preparation method of activated carbon titanium dioxide catalytic glass microporous gas and liquid filter material |
| CN113998667A (en) * | 2021-11-27 | 2022-02-01 | 上海超高环保科技股份有限公司 | Method for preparing hydrogen storage material with microporous structure of waste glass |
| CN115738524B (en) * | 2022-12-31 | 2023-12-29 | 内蒙古达尔科技有限公司 | Plastic plate, plastic plate assembly and forming die |
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| CN103496854A (en) * | 2013-08-29 | 2014-01-08 | 朱均 | Foam glass and its manufacturing method |
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| KR101581241B1 (en) * | 2015-07-10 | 2015-12-31 | 최성필 | Apparatus for treating rainwater and overflow water of confluent water drainage |
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| KR101547821B1 (en) * | 2015-04-27 | 2015-08-27 | 최성필 | The manufacture method of artificial filter medium using waste glass and waste LCD and artificial filter medium Manufactured by Method |
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| CN101955374A (en) * | 2010-09-06 | 2011-01-26 | 黑龙江百赫矿业科技开发有限公司 | Method for manufacturing zeolite-glass porous light material |
| CN104066692A (en) * | 2011-11-22 | 2014-09-24 | 江陵原州大学校产学协力团 | Preparation method of foam glass using waste glass, and prediction method of foaming range of glass using dilatometer |
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| KR101581241B1 (en) * | 2015-07-10 | 2015-12-31 | 최성필 | Apparatus for treating rainwater and overflow water of confluent water drainage |
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