CN112062542A - Building material product made of drilling solid waste - Google Patents
Building material product made of drilling solid waste Download PDFInfo
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- CN112062542A CN112062542A CN202010893733.8A CN202010893733A CN112062542A CN 112062542 A CN112062542 A CN 112062542A CN 202010893733 A CN202010893733 A CN 202010893733A CN 112062542 A CN112062542 A CN 112062542A
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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
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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
- C04B33/1305—Organic additives
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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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
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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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
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
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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
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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
- 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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/425—Graphite
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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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/442—Carbonates
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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
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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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
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/95—Products characterised by their size, e.g. microceramics
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
The invention provides a building material product made of drilling solid waste, which is made of drilling waste mud, and the finished product contains: bentonite, barite, oil sludge, coal gangue and fly ash. The invention changes waste into valuable, not only governs the environment, but also produces building material products.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a building material product made of drilling solid waste.
Background
The waste mud is a waste produced in the oil field drilling process, and comprises the main components of bentonite, rock debris and water, wherein the heavy metals are contained in the bentonite, the rock debris and the water, so that the environment is polluted. At present, waste mud generated by oil field drilling cannot be effectively treated, and the pollution to the environment is large.
In summary, the following problems exist in the prior art: the waste mud generated by oil field drilling can not be effectively treated, and the pollution to the environment is large.
Disclosure of Invention
The invention provides a building material product made of drilling solid waste, which aims to solve the problem that waste mud generated by oil field drilling cannot be effectively treated to pollute the environment.
The building material product made of the drilling solid waste is prepared from drilling waste mud, the drilling waste mud is conveyed to a storage tank, polyaluminium chloride and calcium oxide are added into the storage tank, and then the storage tank enters a stirring station to be stirred uniformly to degrade heavy metals contained in the waste mud; adding polyaluminium chloride and calcium oxide into a storage tank, and then entering a stirring station to be uniformly stirred so as to degrade heavy metals contained in the waste slurry; preliminarily squeezing and filtering water in the waste slurry to obtain solid waste; adding polyacrylamide into the solid waste to further solidify the solid waste; feeding the further solidified solid waste into an aging bin, adding oil sludge, fly ash and coal gangue, uniformly stirring, conveying to a crusher for crushing, molding after crushing, and then feeding into a kiln for firing to obtain a finished product;
the finished product comprises: bentonite, barite, oil sludge, coal gangue and fly ash.
Further, the drilling waste mud comprises the following components in percentage by weight: 4-9% of bentonite, 2-5% of sulfonated asphalt, 3-6% of calcium carbonate, 1-5% of graphite, 1-3% of xanthan gum and 3-8% of barite, and the balance of water.
Further, the drilling waste mud comprises the following components: 2-5% of bentonite, 2-6% of modified starch, 1-3% of plugging agent, 1-3% of defoaming agent, 3-7% of barite and the balance of water.
Further, 20% of the solid waste is added with oil sludge and coal gangue and 10% of fly ash respectively.
And further, adding oil sludge, fly ash and coal gangue, stirring and crushing, then making a blank, cutting, and then feeding into a tunnel kiln for firing at the firing temperature of 1200-1300 ℃, wherein the obtained finished product is a brick.
Further, adding oil sludge, fly ash and coal gangue, stirring and crushing, mixing and grinding, granulating, and then feeding into a rotary kiln for firing at 1100-1200 ℃, so as to obtain the finished product of ceramsite.
Further, the finished product obtained was a brick of 240mm × 115mm × 53 mm.
Further, the obtained finished product is ceramsite with the particle size of more than 5 mm.
The method for treating drilling solid waste adopted by the invention comprises the following steps:
step A: collecting waste drilling mud;
and B: transporting the drilling waste mud to a storage tank;
and C: adding polyaluminium chloride and calcium oxide into a storage tank, and then entering a stirring station to be uniformly stirred so as to degrade heavy metals contained in the waste slurry;
step D: preliminarily squeezing and filtering water in the waste slurry to obtain solid waste;
step E: adding polyacrylamide into the solid waste to further solidify the solid waste;
step F, feeding the further solidified solid waste into an aging bin, adding oil sludge, fly ash and coal gangue, stirring uniformly, and then conveying to a crusher for crushing;
and G, crushing, forming, and then feeding into a kiln for firing to obtain a finished product.
Further, the drilling waste mud comprises the following components: bentonite, sulfonated asphalt, calcium carbonate, graphite, xanthan gum and barite, in the step C, adding polyaluminium chloride, calcium oxide and oxalic acid into the waste drilling mud,
wherein, the adding amount of the polyaluminium chloride is 40-60% of the weight of the drilling waste mud, the adding amount of the calcium oxide is 25-35% of the weight of the drilling waste mud, and the adding amount of the oxalic acid is 25-35% of the weight of the drilling waste mud.
Further, the drilling waste mud comprises the following components: and C, adding polyaluminium chloride, calcium oxide and soda ash into the drilling waste mud, wherein the adding amount of the polyaluminium chloride is 40-60% of the weight of the drilling waste mud, the adding amount of the calcium oxide is 15-25% of the weight of the drilling waste mud, and the adding amount of the soda ash is 15-25% of the weight of the drilling waste mud.
Further, in step F, 20% of each of the oil sludge and the coal gangue and 10% of the fly ash are added to 50% of the solid waste.
And G, crushing, blanking, cutting, and then feeding into a tunnel kiln to be fired into bricks, wherein the firing temperature is 1200-1300 ℃.
And step G, crushing, mixing and grinding, granulating, and then feeding into a rotary kiln to be fired into ceramsite, wherein the firing temperature is 1100-1200 ℃.
Further, in step E, the amount of polyacrylamide added was 40% by weight of the solid waste.
The invention firstly carries out heavy metal treatment on the waste drilling mud, then carries out a series of physical and chemical treatment on the waste drilling mud, finally converts mud substances into harmless brick products or ceramsite products, and processes the harmless brick products or ceramsite products into building material products according to the building material production process, thereby changing waste into valuable, not only governing the environment, but also producing the building material products, not only carrying out environment-friendly treatment on petroleum drilling and obtaining the building material products with lower cost.
Detailed Description
The present invention will now be described in order to more clearly understand the technical features, objects, and effects of the present invention.
The invention provides a building material product made of drilling solid waste, which is made of drilling waste mud, the drilling waste mud is conveyed to a storage tank, polyaluminium chloride and calcium oxide are added into the storage tank, and then the storage tank enters a stirring station to be stirred uniformly to degrade heavy metals contained in the waste mud; adding polyaluminium chloride and calcium oxide into a storage tank, and then entering a stirring station to be uniformly stirred so as to degrade heavy metals contained in the waste slurry; preliminarily squeezing and filtering water in the waste slurry to obtain solid waste; adding polyacrylamide into the solid waste to further solidify the solid waste; feeding the further solidified solid waste into an aging bin, adding oil sludge, fly ash and coal gangue, uniformly stirring, conveying to a crusher for crushing, molding after crushing, and then feeding into a kiln for firing to obtain a finished product;
the finished product comprises: bentonite, barite, oil sludge, coal gangue and fly ash.
The invention firstly carries out heavy metal treatment on the waste drilling mud, then carries out a series of physical and chemical treatment on the waste drilling mud, finally converts mud substances into harmless brick products or ceramsite products, and processes the harmless brick products or ceramsite products into building material products according to the building material production process, thereby changing waste into valuable, not only governing the environment, but also producing the building material products, not only carrying out environment-friendly treatment on petroleum drilling and obtaining the building material products with lower cost.
Further, the drilling waste mud comprises the following components in percentage by weight: 4-9% of bentonite, 2-5% of sulfonated asphalt, 3-6% of calcium carbonate, 1-5% of graphite, 1-3% of xanthan gum and 3-8% of barite, and the balance of water. One of the common waste mud in a drilling site is convenient to collect and treat widely, and pollution is reduced.
Further, the drilling waste mud comprises the following components: 2-5% of bentonite, 2-6% of modified starch, 1-3% of plugging agent, 1-3% of defoaming agent, 3-7% of barite and the balance of water. One of the common waste mud in a drilling site is convenient for wide collection and treatment during drilling, and pollution is reduced.
Further, 20% of the solid waste is added with oil sludge and coal gangue and 10% of fly ash respectively. Therefore, the reasonable proportion of the building materials can be formed to obtain reasonable strength.
The brick block which is prepared by adding 20 percent of oil sludge and 20 percent of coal gangue in 50 percent of solid waste and 10 percent of fly ash through firing is tested, and the result is as follows:
the average compressive strength (MPa) is: 16.0, the requirement that the sintered common brick is more than or equal to 15.0 is met;
the average compressive strength (MPa) is: 13.4, the requirement that the sintered common brick is more than or equal to 10.0 is met;
the lime bursts to meet the standard requirement, the loss of compressive strength (MPa) is 1, and the requirement that the loss of compressive strength (MPa) is less than or equal to 5 is met;
weather resistance (freeze-thaw cycle): the phenomena of freezing damage such as separation, peeling, edge missing, corner falling and the like do not occur, and the appearance quality standard requirement is met;
radionuclide limit: the internal irradiation index is 0.2, the external irradiation index is less than or equal to 0.4, and the standard requirements that the internal irradiation index is less than or equal to 1.0 and the external irradiation index is less than or equal to 1.0 are met.
And (4) checking and concluding: the performance indexes of the brick fired by the invention meet the requirements of GB/T5101-2017 strength grade MU 15.
Further, the oil sludge, the fly ash and the coal gangue are added, stirred and crushed, then the mixture is subjected to blank making and cutting, and then the mixture is sent into a tunnel kiln for firing, wherein the firing temperature is 1200 ℃ to 1300 ℃, and the obtained finished product is a brick block which can be used as a building brick or a paving brick, and the cost is low.
Further, the oil sludge, the fly ash and the coal gangue are added, stirred and crushed, then mixed and ground, granulated and then sent into a rotary kiln for firing, the firing temperature is 1100 ℃ to 1200 ℃, and the obtained finished product is ceramsite and can be used for manufacturing concrete for buildings, and the cost is low.
Further, the obtained finished product is a brick of 240mm multiplied by 115mm multiplied by 53mm, and can replace the common red brick.
Furthermore, the obtained finished product is ceramsite with the particle size of more than 5mm, such as 5mm, 6mm and 7mm, and can have proper particle size, thereby meeting the requirement of manufacturing concrete for buildings.
The finished product is prepared by a drilling solid waste treatment method, and the drilling solid waste treatment method comprises the following steps:
step A: collecting waste drilling mud;
and B: transporting the drilling waste mud to a storage tank;
and C: adding polyaluminium chloride and calcium oxide into a storage tank, then adding waste slurry of the polyaluminium chloride and the calcium oxide into a stirring station, uniformly stirring to degrade heavy metals contained in the waste slurry, wherein the heavy metals contained in the waste slurry mainly comprise Cr, Zn, Pb, Cu, Hg and As, and condensing the heavy metals into water molecules through the polyaluminium chloride and the calcium oxide to be separated along with liquid, so As to perform subsequent heavy metal degradation;
step D: primarily pressing (pressing by using a presser) and filtering and stirring water in the waste slurry to obtain solid waste;
step E: adding polyacrylamide into the solid waste to further solidify the solid waste;
step F, feeding the further solidified solid waste into an aging bin, adding oil sludge, fly ash and coal gangue, stirring uniformly, and then conveying to a crusher for crushing;
and G, crushing, molding, and then feeding into a kiln for firing to obtain a finished product, wherein the finished product is a building material product, such as ceramsite and brick.
The drilling waste mud is subjected to heavy metal treatment, then the drilling waste mud is subjected to a series of physical and chemical treatment, finally, mud materials are converted into harmless brick products or ceramsite products, and the harmless brick products or ceramsite products are processed into building material products according to a building material production process, so that waste is turned into wealth, the environment is controlled, the building material products are produced, the petroleum drilling is subjected to environment-friendly treatment, retreatment such as backfill of the waste mud is omitted, the control cost is reduced, and the building material products with lower cost are obtained.
Further, the drilling waste mud comprises the following components: 6% of bentonite, 3% of sulfonated asphalt, 4% of calcium carbonate, 3% of graphite, 2% of xanthan gum and 5% of barite, and the balance being water, in the step C, polyaluminium chloride (for flocculation), calcium oxide (for flocculation) and oxalic acid (for filtering to remove suspended matters in liquid) are added into the drilling waste mud,
wherein, the adding amount of the polyaluminium chloride is 40-60% of the weight of the drilling waste mud, the adding amount of the calcium oxide is 25-35% of the weight of the drilling waste mud, and the adding amount of the oxalic acid is 25-35% of the weight of the drilling waste mud. The ingredients are prepared according to the specific conditions of each well, so the chemical agents are added according to the actual conditions. According to the results of long-term exploration, the addition amount of the polyaluminium chloride is 50 percent of the weight of the drilling waste mud, the addition amount of the calcium oxide is 30 percent of the weight of the drilling waste mud, the addition amount of the oxalic acid is 30 percent of the weight of the drilling waste mud, and the concentration of the oxalic acid is 85 percent, so the effect is better.
Further, the drilling waste mud comprises the following components: and C, adding polyaluminium chloride, calcium oxide and soda ash (calcium and magnesium ions in the precipitation liquid) into the drilling waste mud, wherein the adding amount of the polyaluminium chloride is 40-60% of the weight of the drilling waste mud, the adding amount of the calcium oxide is 15-25% of the weight of the drilling waste mud, and the adding amount of the soda ash is 15-25% of the weight of the drilling waste mud.
Further, in step F, 20% of each of the oil sludge and the coal gangue and 10% of the fly ash are added to 50% of the solid waste. The solid waste, oil sludge, coal gangue and fly ash can form a reasonable formula for firing building material products, so that the basic performance of the building material products can be ensured, various wastes can be fully utilized, and the cost can be reduced.
And step G, crushing, blanking, cutting, and then feeding into a tunnel kiln to be fired into bricks, wherein the firing temperature is 1200-1300 ℃. For example, bricks of 240mm by 115mm by 53mm can be made.
And G, crushing, mixing and grinding, granulating, and then feeding into a rotary kiln to be fired into ceramsite, wherein the firing temperature is 1100-1200 ℃, and the ceramsite with the particle size of more than 5mm can be obtained.
Furthermore, in the step E, the adding amount of the polyacrylamide is 40% of the weight of the solid waste, so that the solid solidification effect is good.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. In order that the components of the present invention may be combined without conflict, it is intended that all equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A building material product made of drilling solid waste is characterized in that,
the building material product made of the drilling solid waste is made of drilling waste mud, the drilling waste mud is conveyed to a storage tank, polyaluminium chloride and calcium oxide are added into the storage tank, and then the storage tank enters a stirring station to be stirred uniformly to degrade heavy metals contained in the waste mud; adding polyaluminium chloride and calcium oxide into a storage tank, and then entering a stirring station to be uniformly stirred so as to degrade heavy metals contained in the waste slurry; preliminarily squeezing and filtering water in the waste slurry to obtain solid waste; adding polyacrylamide into the solid waste to further solidify the solid waste; feeding the further solidified solid waste into an aging bin, adding oil sludge, fly ash and coal gangue, uniformly stirring, conveying to a crusher for crushing, molding after crushing, and then feeding into a kiln for firing to obtain a finished product;
the finished product comprises: bentonite, barite, oil sludge, coal gangue and fly ash.
2. A building material product made from drilling solid waste of claim 1 wherein the drilling waste mud comprises, in weight percent: 4-9% of bentonite, 2-5% of sulfonated asphalt, 3-6% of calcium carbonate, 1-5% of graphite, 1-3% of xanthan gum and 3-8% of barite, and the balance of water.
3. A building material product made from drilling solid waste of claim 1 wherein the drilling waste mud comprises: 2-5% of bentonite, 2-6% of modified starch, 1-3% of plugging agent, 1-3% of defoaming agent, 3-7% of barite and the balance of water.
4. A building material product made from the drilling solid waste of claim 1 wherein 50% of the solid waste is 20% of each of sludge and coal gangue and 10% of fly ash.
5. A building material product made from the solid waste from drilling of claim 1, wherein the oil sludge, fly ash, and coal barren rock are added, stirred and crushed, then briquetted, cut, and then fired in a tunnel kiln at a firing temperature of 1200 ℃ to 1300 ℃ to obtain a finished product of bricks.
6. A building material product made from drilling solid waste as claimed in claim 1, wherein the oil sludge, fly ash and coal gangue are added, mixed and ground after stirring and crushing, granulated, and then sent to a rotary kiln for firing at 1100 ℃ to 1200 ℃, and the finished product is ceramsite.
7. A building material product made from drilling solid waste of claim 5, wherein the resulting product is a block of 240mm x 115mm x 53 mm.
8. A building material product made from the drilling solid waste of claim 6, wherein the resulting finished product is a ceramsite having a particle size of 5mm or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010893733.8A CN112062542A (en) | 2020-08-31 | 2020-08-31 | Building material product made of drilling solid waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010893733.8A CN112062542A (en) | 2020-08-31 | 2020-08-31 | Building material product made of drilling solid waste |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20060849A0 (en) * | 2006-09-25 | 2006-09-25 | Migliore Oy | Method and apparatus for treating drilling waste |
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