CN111548184A - Method for preparing insulating brick by using sludge in central lake - Google Patents
Method for preparing insulating brick by using sludge in central lake Download PDFInfo
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- CN111548184A CN111548184A CN202010496976.8A CN202010496976A CN111548184A CN 111548184 A CN111548184 A CN 111548184A CN 202010496976 A CN202010496976 A CN 202010496976A CN 111548184 A CN111548184 A CN 111548184A
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
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- C04B33/13—Compounding ingredients
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- 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
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- 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
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- 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
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
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- C—CHEMISTRY; METALLURGY
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0665—Waste material; Refuse other than vegetable refuse
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- 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
- C04B2235/6562—Heating rate
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- 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
- C04B2235/6567—Treatment time
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Abstract
A method for preparing insulating bricks by using sludge in an original lake belongs to the technical field of waste treatment and building materials. The insulating brick is prepared from the following raw materials in parts by weight: 45-55 parts of lake sludge, 10-15 parts of mussel shells, 20-35 parts of coal slag and 5-15 parts of plant fallen leaves. The preparation method comprises the steps of mixing lake sludge and plant fallen leaves according to a certain proportion, uniformly stirring to obtain sludge slurry, crushing and ball-milling the mussel shell and the coal cinder into powder respectively, weighing the mussel shell powder and the coal cinder powder according to a certain proportion, adding the sludge slurry, uniformly stirring to obtain mixed slurry, sealing and aging for 24 hours at room temperature, putting the mixed slurry into a brick making mold, and performing compression molding to obtain a green brick blank. And placing the green brick blank in a kiln, preheating for a period of time, sintering according to a certain temperature system, and then air-cooling to room temperature along with the kiln to obtain the insulating brick. The insulating brick has the porosity of 18.0-27.3%, the compressive strength of 21.0-27.5 MPa and the heat conductivity of 0.38-0.51W/(m.K), realizes the reutilization of wastes such as sludge, mussel shells, coal slag, plant fallen leaves and the like in the original lakes, reduces the environmental pollution and reduces the production cost of building materials.
Description
Technical Field
The invention belongs to the technical field of waste treatment and building materials, and particularly relates to a method for preparing an insulating brick by using sludge in an original lake.
Background
Along with the rapid development of human socioeconomic, the demand for natural resources is increasing day by day, while fossil energy is gradually exhausted, therefore, the energy conservation and emission reduction gradually draws attention and attention of people, more than 50 percent of the total social energy consumption in China is the energy consumption in the building field, the building exterior wall and energy consumption of the building also account for more than 45 percent of the energy consumption of the building, the energy conservation of the building, in particular the heat preservation and the energy conservation of the exterior wall body, are the important factors of energy conservation and emission reduction, therefore, the development of a novel heat-insulating material with good heat-insulating property and low building energy consumption is a preoccupation in the development of the building industry, and in addition, with the increasing pace of urbanization, the requirement on partition wall materials is more huge, and in order to save land and reduce production energy consumption, the state has issued documents such as 'opinions for strictly limiting field-damaged bricks and actively promoting wall material reformation', and various departments are required to carry out wall material innovation and building energy-saving work.
Although in China, in the original zones, the lakes are numerous and the types of water products in the lakes are rich, along with the rapid development of social economy, the pollution of human production and life to water bodies is more and more serious, the content of organic matters in sludge is higher and more, and huge damage is caused to water and soil. But the fresh water resources on earth are quite limited. In order to ensure the quality of fresh water resources, people can carry out dredging activities on lakes when the lakes are shallow every year in winter. If a large amount of sludge dug out is not treated in time, the ecological environment is seriously threatened, the sludge easily enters the lake again under the action of rainwater, the lake is polluted again, and manpower, material resources and financial resources consumed by dredging are wasted, so that the problems of waste pollution and shortage of wall raw materials are solved, and the method is a huge task facing the building industry.
Disclosure of Invention
Aiming at the technical problems, the invention provides a method for preparing a heat-insulating brick by using the sludge of the central plain lake, the shells of mussels, coal slag, fallen leaves of plants and other wastes as main raw materials, and the heat-insulating brick with the porosity of 18.0-27.3%, the heat conductivity coefficient of 0.38-0.51W/(m.K) and the compressive strength of 21.0-27.5 MPa is prepared by crushing, weighing, mixing, stirring, aging, press forming, preheating, sintering, cooling and other processes, so that the beneficial utilization of the wastes such as the sludge, the shells of the mussels, the coal slag, the fallen leaves and the like is realized, the environmental pollution is reduced, the energy consumption and the brick making cost are reduced, and the method has good social benefit and economic benefit.
In order to achieve the purpose, the technology of the invention adopts the following technical scheme:
the invention relates to a method for preparing a heat-insulating brick by using sludge in an original lake, which comprises the following raw materials in parts by weight: 45-55 parts of lake sludge, 10-15 parts of mussel shells, 20-35 parts of coal slag and 5-15 parts of plant fallen leaves.
The lake sludge is semi-wet sludge piled on the lake shore after dredging, and the water content is 40-60% by mass.
Preferably, after the lake sludge is dried at the temperature of 80 ℃, the components and parts by weight of the dry sludge are as follows: 20-35 parts of silicon dioxide, 15-20 parts of aluminum oxide, 6-12 parts of phosphorus pentoxide, 10-12 parts of calcium oxide, 5-8 parts of ferric oxide, 0-3 parts of magnesium oxide, 5-8 parts of potassium oxide, 3-5 parts of sodium oxide and 20-28 parts of organic matters.
The clam shell comprises the following components in parts by weight: 95 parts of calcium carbonate and 5 parts of organic matters such as amino acid.
Preferably, the fallen leaves of the plants comprise one or more semi-dry leaves of various trees, shrubs, weeds and vegetables, and the water content is 30-45% by mass.
The insulating brick prepared by using the sludge in the central lake has the porosity of 18.0-27.3%, the heat conductivity coefficient of 0.38-0.51W/(m.K) and the compressive strength of 21.0-27.5 MPa.
The invention relates to a method for preparing a heat-insulating brick by using sludge in an original lake, which comprises the following steps:
(1) weighing lake sludge and plant fallen leaves, mixing the lake sludge and the plant fallen leaves, and uniformly stirring the mixture by using a mortar stirrer to obtain sludge slurry A;
(2) crushing the waste clam shells into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain clam shell powder;
(3) crushing the coal cinder into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain coal cinder powder;
(4) weighing the clam shell powder and the coal cinder powder according to the proportion, adding the clam shell powder and the coal cinder powder into the sludge slurry A, stirring in a mortar stirrer to obtain mixed slurry B after uniform stirring, and sealing and aging for 24 hours at room temperature;
(5) putting the aged mixed slurry B into a brick making mold with the size of 190mm multiplied by 90mm for compression molding to obtain a green brick blank;
(6) and placing the green brick blank in a kiln, preheating for a period of time, sintering, and then air-cooling to room temperature along with the kiln to obtain the insulating brick.
In the step (6), the preheating process is to heat the mixture to 120-135 ℃ at a heating rate of 5 ℃/min, and then to keep the temperature for 3-5 hours.
In the step (6), the sintering process is to set two sintering processes for the kiln, wherein the first sintering process is to heat up to 600-700 ℃ at the rate of 3 ℃/min and preserve heat for 120 min, and the second sintering process is to heat up to 900-950 ℃ at the rate of 3 ℃/min and preserve heat for 60 min.
The method for preparing the insulating brick by using the sludge of the central lake has the beneficial effects that:
(1) the raw materials used by the invention comprise the sludge of the central lake, the waste mussel shells, the waste coal cinder, the weeds in the ploughed land, the rotten vegetable leaves in the vegetable field, the leaves falling in the forest or the garden and other wastes, water is not needed in the slurry mixing process, and the sludge and the fallen leaves are not needed to be dried, so that the insulating brick with high heat insulation effect and high compressive strength is prepared, the ecological environment is beautified, the wastes are recycled, the energy consumption is reduced, and the cost for preparing the building materials is saved, therefore, the invention has good social benefit and economic benefit, and has wide application prospect.
(2) The plant fallen leaves used in the invention comprise one or more semi-dry leaves of various trees, shrubs, weeds and vegetables, not only play a role of pore-forming agent in the sintering process, but also have moisture in the plant fallen leaves to enable the raw materials to better interpenetrate and be uniformly mixed.
(3) The clam shells and the coal slag used in the invention can both play the role of pore-forming agent.
(4) The sludge used in the invention contains rich organic matters, is beneficial to bonding all components together during initial mixing and aging, is beneficial to forming a microstructure framework during later sintering, and improves the compressive strength of the insulating brick.
Detailed Description
The present invention will be described in further detail with reference to examples.
In the following examples, the sludge of the original lake after being dried at 80 ℃ comprises the following components in parts by weight: 25 parts of silicon dioxide, 17 parts of aluminum oxide, 8.5 parts of phosphorus pentoxide, 10 parts of calcium oxide, 6 parts of iron oxide, 1.5 parts of magnesium oxide, 6.5 parts of potassium oxide, 3.5 parts of sodium oxide and 22 parts of organic matters.
In the following examples, the sludge from the original lake is semi-wet sludge piled on the lake shore after dredging, and the water content by mass is 60%.
In the following examples, the fallen leaves of the plants used were poplar leaves having a water content of 37%.
The invention relates to a heat-insulating brick prepared by using sludge in a central lake, which comprises the following raw materials in parts by weight: 45-55 parts of lake sludge, 10-15 parts of mussel shells, 20-35 parts of coal slag and 5-15 parts of plant fallen leaves.
Example 1
The insulating brick prepared by the embodiment comprises the following raw materials in parts by weight: 48 parts of lake sludge, 13.5 parts of clam shells, 27.5 parts of coal cinder and 11 parts of plant fallen leaves.
The method for preparing the insulating brick by using the sludge of the central lake comprises the following steps:
(1) mixing the lake sludge and the plant fallen leaves, and uniformly stirring by adopting a mortar stirrer at a stirring speed of 75 revolutions per minute to obtain sludge slurry A;
(2) crushing the waste clam shells into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain clam shell powder;
(3) crushing the coal cinder into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain coal cinder powder;
(4) adding the clam shell powder and the coal cinder powder into the sludge slurry A, stirring at the stirring speed of 75 revolutions per minute, uniformly stirring to obtain a mixed slurry B, and sealing and aging for 24 hours at room temperature;
(5) putting the aged mixed slurry B into a brick making mold with the size of 190mm multiplied by 90mm, and performing compression molding to obtain a green brick blank;
(6) placing the heat-preservation green brick blank in a kiln, heating the kiln at the heating rate of 5 ℃/min until the temperature reaches 125 ℃, starting heat preservation for 5 hours, preheating the green brick blank, and fully discharging water and small molecular substances in the green brick blank;
(7) setting a sintering temperature schedule of a kiln, wherein the first sintering process is to heat up from 125 ℃ to 700 ℃ at a rate of 3 ℃/min and preserve heat for 120 min, and the second sintering process is to heat up from 700 ℃ to 950 ℃ at a rate of 3 ℃/min and preserve heat for 60 min, and then, air-cooling to room temperature along with the kiln to obtain the insulating brick.
The insulating brick prepared by the embodiment has the porosity of 26.7%, the compressive strength of 22.5MPa and the thermal conductivity of 0.40W/(m.K).
Example 2
The insulating brick prepared by the embodiment comprises the following raw materials in parts by weight: 55 parts of lake sludge, 15 parts of mussel shells, 20 parts of coal slag and 10 parts of plant fallen leaves.
The method for preparing the insulating brick by using the sludge of the central lake comprises the following steps:
(1) mixing the lake sludge and the plant fallen leaves, and uniformly stirring by adopting a mortar stirrer at a stirring speed of 75 revolutions per minute to obtain sludge slurry A;
(2) crushing the waste clam shells into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain clam shell powder;
(3) crushing the coal cinder into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain coal cinder powder;
(4) adding the clam shell powder and the coal cinder powder into the sludge slurry A, stirring at the stirring speed of 75 revolutions per minute, uniformly stirring to obtain a mixed slurry B, and sealing and aging for 24 hours at room temperature;
(5) putting the aged mixed slurry B into a brick making mold with the size of 190mm multiplied by 90mm, and performing compression molding to obtain a green brick blank;
(6) placing the heat-preservation green brick blank in a kiln, heating the kiln at the heating rate of 5 ℃/min until the temperature reaches 135 ℃, preserving the heat for 3 hours, preheating the green brick blank, and fully discharging the water and the micromolecular substances in the green brick blank;
(7) setting a sintering temperature schedule of a kiln, wherein the first sintering process is to heat up from 135 ℃ to 620 ℃ at a rate of 3 ℃/min and preserve heat for 120 min, and the second sintering process is to heat up from 620 ℃ to 900 ℃ at a rate of 3 ℃/min and preserve heat for 60 min, and then, air-cooling to room temperature along with the kiln to obtain the insulating brick.
The insulating brick prepared by the embodiment has the porosity of 19.7%, the compressive strength of 26.2MPa and the thermal conductivity of 0.47W/(m.K).
Example 3
The insulating brick prepared by the embodiment comprises the following raw materials in parts by weight: 50 parts of lake sludge, 10 parts of mussel shells, 25 parts of coal slag and 15 parts of plant fallen leaves.
The method for preparing the insulating brick by using the sludge of the central lake comprises the following steps:
(1) mixing the lake sludge and the plant fallen leaves, and uniformly stirring by adopting a mortar stirrer at a stirring speed of 75 revolutions per minute to obtain sludge slurry A;
(2) crushing the waste clam shells into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain clam shell powder;
(3) crushing the coal cinder into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain coal cinder powder;
(4) adding the clam shell powder and the coal cinder powder into the slurry material A, stirring at a stirring speed of 75 revolutions per minute to obtain mixed slurry B, and sealing and aging for 24 hours at room temperature;
(5) putting the aged mixed slurry B into a brick making mold with the size of 190mm multiplied by 90mm, and performing compression molding to obtain a green brick blank;
(6) placing the heat-preservation green brick blank in a kiln, heating the kiln at the heating rate of 5 ℃/min until the temperature reaches 120 ℃, preserving heat for 3 hours, preheating the green brick blank, and fully discharging water and micromolecular substances in the green brick blank;
(7) setting a sintering temperature schedule of a kiln, wherein the first sintering process is to heat up to 680 ℃ from 120 ℃ at a rate of 3 ℃/min and preserve heat for 120 min, and the second sintering process is to heat up to 930 ℃ from 680 ℃ at a rate of 3 ℃/min and preserve heat for 60 min, and then, air-cooling to room temperature along with the kiln to obtain the insulating brick.
The insulating brick prepared by the embodiment has the porosity of 23.6%, the compressive strength of 24.8MPa and the thermal conductivity of 0.45W/(m.K).
The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A method for preparing a heat-insulating brick by using sludge in an original lake is characterized in that the heat-insulating brick is prepared from the following raw materials in parts by weight: 45-55 parts of lake sludge, 10-15 parts of mussel shells, 20-35 parts of coal slag and 5-15 parts of plant fallen leaves.
2. The heat-insulating brick prepared from the sludge of the original lake according to claim 1, wherein the sludge of the lake is semi-wet sludge piled on the lake shore after dredging, and the water content is 40-60% by mass.
3. The method for preparing an insulating brick by using the lake sludge as claimed in claim 1, wherein the lake sludge is dried at 80 ℃, and the dried sludge comprises the following components in parts by weight: 20-35 parts of silicon dioxide, 15-20 parts of aluminum oxide, 6-12 parts of phosphorus pentoxide, 10-12 parts of calcium oxide, 5-8 parts of ferric oxide, 0-3 parts of magnesium oxide, 5-8 parts of potassium oxide, 3-5 parts of sodium oxide and 20-28 parts of organic matters.
4. The method for preparing the insulating brick by using the sludge of the original lake according to claim 1, wherein the clam shells comprise the following components in parts by mass: 95 parts of calcium carbonate and 5 parts of organic matters such as amino acid.
5. The method for preparing a heat-insulating brick by using the sludge of the central lake as claimed in claim 1, wherein the fallen leaves of the plants comprise one or more semi-dried leaves of various trees, shrubs, weeds and vegetables, and the water content is 30-45% by mass.
6. The method for preparing an insulating brick from the sludge of the original lake according to any one of claims 1 to 5, wherein the insulating brick prepared from the sludge of the original lake has a porosity of 18.0 to 27.3%, a thermal conductivity of 0.38 to 0.51W/(m.K) and a compressive strength of 21.0 to 27.5 MPa.
7. The method for preparing the insulating brick by using the sludge of the central lake of any one of claims 1 to 6, which is characterized by comprising the following steps:
(1) weighing lake sludge and plant fallen leaves according to the proportion, mixing the lake sludge and the plant fallen leaves, and uniformly stirring the mixture by using a mortar stirrer to obtain sludge slurry A;
(2) crushing the waste clam shells into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain clam shell powder;
(3) crushing the coal cinder into small fragments by a crusher, then ball-milling and sieving by a 80-mesh sieve to obtain coal cinder powder;
(4) weighing the clam shell powder and the coal cinder powder according to the proportion, adding the clam shell powder and the coal cinder powder into the sludge slurry A, stirring in a mortar stirrer to obtain mixed slurry B after uniform stirring, and sealing and aging for 24 hours at room temperature;
(5) putting the aged mixed slurry B into a brick making mold, and performing compression molding to obtain a green brick blank;
(6) and placing the green brick blank in a kiln, preheating for a period of time, sintering, and then air-cooling to room temperature along with the kiln to obtain the insulating brick.
8. The method for preparing an insulating brick by using the sludge of the central lake according to claim 7, wherein the preheating process in the step (6) is to heat the kiln to 120-135 ℃ at a heating rate of 5 ℃/min and then to perform heat preservation for 3-5 hours.
9. The method for preparing an insulating brick using the sludge of the central lake according to claim 7, wherein the sintering process of the step (6) is to arrange two sintering processes in the kiln, the first sintering process is to heat up to 600-700 ℃ at a rate of 3 ℃/min and to preserve heat for 120 min, and the second sintering process is to heat up to 900-950 ℃ at a rate of 3 ℃/min and to preserve heat for 60 min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496976.8A CN111548184A (en) | 2020-06-03 | 2020-06-03 | Method for preparing insulating brick by using sludge in central lake |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010496976.8A CN111548184A (en) | 2020-06-03 | 2020-06-03 | Method for preparing insulating brick by using sludge in central lake |
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| CN111548184A true CN111548184A (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010496976.8A Pending CN111548184A (en) | 2020-06-03 | 2020-06-03 | Method for preparing insulating brick by using sludge in central lake |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485114A (en) * | 2021-07-16 | 2021-10-08 | 南京交通职业技术学院 | Intelligent compressive strength-based preferential algorithm and control system for sludge coast dredged soil brick making and application thereof |
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| CN101475397A (en) * | 2009-01-22 | 2009-07-08 | 上海鑫晶山淤泥研发有限公司 | Riverway sludge self-heat preserving sintering porous brick and production method thereof |
| CN108794047A (en) * | 2018-07-26 | 2018-11-13 | 株洲时代新材料科技股份有限公司 | Sludge, bed mud and garden garbage mixing gasifying prepare the method and product of haydite |
| CN108892479A (en) * | 2018-06-25 | 2018-11-27 | 浙江大学宁波理工学院 | A kind of shell sewage sludge sintering haydite and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475397A (en) * | 2009-01-22 | 2009-07-08 | 上海鑫晶山淤泥研发有限公司 | Riverway sludge self-heat preserving sintering porous brick and production method thereof |
| CN108892479A (en) * | 2018-06-25 | 2018-11-27 | 浙江大学宁波理工学院 | A kind of shell sewage sludge sintering haydite and preparation method thereof |
| CN108794047A (en) * | 2018-07-26 | 2018-11-13 | 株洲时代新材料科技股份有限公司 | Sludge, bed mud and garden garbage mixing gasifying prepare the method and product of haydite |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113485114A (en) * | 2021-07-16 | 2021-10-08 | 南京交通职业技术学院 | Intelligent compressive strength-based preferential algorithm and control system for sludge coast dredged soil brick making and application thereof |
| CN113485114B (en) * | 2021-07-16 | 2022-01-14 | 南京交通职业技术学院 | Intelligent compressive strength-based preferential algorithm and control system for sludge coast dredged soil brick making and application thereof |
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