CN112479696A - Production principle and process of special fracturing propping agent with strong compressive capacity - Google Patents
Production principle and process of special fracturing propping agent with strong compressive capacity Download PDFInfo
- Publication number
- CN112479696A CN112479696A CN202011268637.0A CN202011268637A CN112479696A CN 112479696 A CN112479696 A CN 112479696A CN 202011268637 A CN202011268637 A CN 202011268637A CN 112479696 A CN112479696 A CN 112479696A
- Authority
- CN
- China
- Prior art keywords
- propping agent
- fracturing propping
- proppant
- special
- compressive capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title abstract description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 40
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 4
- 239000000378 calcium silicate Substances 0.000 claims abstract description 4
- 229910052918 calcium silicate Inorganic materials 0.000 claims abstract description 4
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims abstract description 4
- 238000003541 multi-stage reaction Methods 0.000 claims abstract description 4
- 238000007781 pre-processing Methods 0.000 claims abstract description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 30
- 235000017550 sodium carbonate Nutrition 0.000 claims description 16
- 235000019738 Limestone Nutrition 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 13
- 239000010433 feldspar Substances 0.000 claims description 13
- 239000006028 limestone Substances 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052681 coesite Inorganic materials 0.000 claims description 6
- 229910052906 cristobalite Inorganic materials 0.000 claims description 6
- 229910052682 stishovite Inorganic materials 0.000 claims description 6
- 229910052905 tridymite Inorganic materials 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 235000010216 calcium carbonate Nutrition 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
Images
Classifications
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/22—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in calcium oxide, e.g. wollastonite
-
- 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
-
- 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
- C04B35/653—Processes involving a melting step
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
- C04B2235/65—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
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
- C04B2235/662—Annealing after sintering
-
- 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
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
-
- 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
Abstract
The invention discloses a production principle and a process of a special fracturing propping agent with strong compressive capacity, wherein the production principle of the fracturing propping agent is that calcium silicate and sodium silicate are prepared through high-temperature composite reaction of silicon dioxide, sodium carbonate and calcium carbonate, and the chemical reaction is carried out in a high-temperature environment; the production process of the fracturing propping agent comprises the following steps: the method comprises the following steps: preprocessing raw materials; step two: preparing a batch material; step three: melting at high temperature; step four: processing and forming; step five: heat treatment; step six: crushing the cloth; step seven: heating and melting; step eight: cooling and recovering; step nine: and (5) grading and collecting. The production principle and the process of the special fracturing propping agent with strong compressive capacity can prepare a novel propping agent material, and the fracturing propping agent has the characteristics of strong compressive capacity, low breakage rate, good balling shape, good fluidity, electric insulation, stable chemical performance, high heat resistance and mechanical strength and the like.
Description
Technical Field
The invention relates to the technical field of fracturing propping agents, in particular to a production principle and a production process of a special fracturing propping agent with strong pressure resistance.
Background
The fracturing propping agent is a ceramic particle product, has high fracturing strength, and can be applied to a crack generated by bottom fracturing for supporting, so that the quality of the fracturing propping agent directly influences the service life of the fracturing propping agent;
however, when the existing fracturing propping agent is produced, the production cost is high, and meanwhile, the produced fracturing propping agent is not strong in compressive capacity, is easy to break and is not beneficial to guaranteeing the use of supporting and diversion.
Disclosure of Invention
The invention aims to provide a production principle and a production process of a special fracturing propping agent with strong compressive capacity, and aims to solve the problems that the production cost of the conventional fracturing propping agent in the background art is high, and the produced fracturing propping agent is not strong in compressive capacity, easy to crush and not beneficial to ensuring the use of supporting and diversion.
In order to achieve the purpose, the invention provides the following technical scheme: the production principle of the special fracturing propping agent with strong compressive capacity is that calcium silicate and sodium silicate are prepared by the high-temperature composite reaction of silicon dioxide, sodium carbonate and calcium carbonate, and the main reaction principle of the fracturing propping agent is as follows:
Na2CO3+SiO2＝Na2SiO3+CO2 ↑
CaCO3+SiO2＝CaSiO3+CO2 ↑。
preferably, the chemical reaction is carried out in a high temperature environment.
A production process of a special fracturing propping agent with strong pressure resistance comprises the following steps:
the method comprises the following steps: preprocessing raw materials;
step two: preparing a batch material;
step three: melting at high temperature;
step four: processing and forming;
step five: heat treatment;
step six: crushing the cloth;
step seven: heating and melting;
step eight: cooling and recovering;
step nine: and (5) grading and collecting.
Preferably, in the first step, the raw materials are blocky quartz sand, soda ash, limestone, feldspar and the like, the raw materials need to be dried, and the raw materials are crushed and then subjected to iron removal treatment, so that the quality of the raw materials is ensured.
Preferably, the batch mixture in the second step is prepared by mixing quartz sand, soda ash, limestone and feldspar powder, wherein the raw materials comprise, by weight, 35-60 parts of quartz sand powder, 20-42 parts of soda ash powder, 30-45 parts of limestone powder and 10-20 parts of feldspar powder.
Preferably, the prepared proppant batch is heated at high temperature in a tank furnace or a crucible furnace in the third step to form a uniform liquid proppant which is bubble-free and meets the molding requirement, and the high-temperature heating temperature is 1550-1600 ℃.
Preferably, the heat treatment in the fifth step is to anneal the proppant formed by high-temperature processing at 700-800 ℃ for 10-15 min, and after the annealing, perform quenching treatment, clean or generate stress, phase separation or crystallization in the proppant, and change the structural state of the proppant.
Preferably, in the sixth step, the formed proppant is crushed to a specified particle size, and the powder is uniformly fed into a specially-made beading furnace through a distributor.
Preferably, the heating and melting in the seventh step heats and melts in the hot high-temperature air flow to form spherical proppant under the action of the surface tension of the proppant, and the temperature of the hot high-temperature air flow is 1750-1850 ℃.
Preferably, the proppant is in a floating state while being heated and melted, and is cooled, recovered and screened for classification to finally obtain the required special fracturing proppant with different particle sizes.
Compared with the prior art, the invention has the beneficial effects that: the production principle and the process of the special fracturing propping agent with strong compressive capacity can prepare a novel propping agent material, and the fracturing propping agent has the characteristics of strong compressive capacity, low breakage rate, good balling shape, good fluidity, electric insulation, stable chemical performance, high heat resistance and mechanical strength and the like;
the fracturing fluid is mainly used as a proppant during fracturing, and can play good supporting and flow guiding roles on fractures generated by a stratum under fracturing.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the production principle of the special fracturing propping agent with strong compressive capacity is that calcium silicate and sodium silicate are prepared by the high-temperature composite reaction of silicon dioxide, sodium carbonate and calcium carbonate, and the main reaction principle of the fracturing propping agent is as follows:
Na2CO3+SiO2＝Na2SiO3+CO2 ↑
CaCO3+SiO2＝CaSiO3+CO2 ↑。
further, the chemical reaction is carried out in a high-temperature environment.
A production process of a special fracturing propping agent with strong pressure resistance comprises the following steps:
the method comprises the following steps: preprocessing raw materials;
step two: preparing a batch material;
step three: melting at high temperature;
step four: processing and forming;
step five: heat treatment;
step six: crushing the cloth;
step seven: heating and melting;
step eight: cooling and recovering;
step nine: and (5) grading and collecting.
Furthermore, in the first step, the raw materials are blocky quartz sand, soda ash, limestone, feldspar and the like, the raw materials need to be dried, and the raw materials are crushed and then subjected to iron removal treatment, so that the quality of the raw materials is ensured.
The invention further discloses a step two, wherein the batch mixture is prepared by mixing quartz sand, soda ash, limestone and feldspar powder, wherein the raw materials comprise, by weight, 35-60 parts of quartz sand powder, 20-42 parts of soda ash powder, 30-45 parts of limestone powder and 10-20 parts of feldspar powder.
Further, the prepared proppant batch is subjected to high-temperature heating in a tank furnace or a crucible furnace in the third step to form a uniform liquid proppant which is bubble-free and meets the molding requirement, and the high-temperature heating temperature is 1550-1600 ℃.
The invention further provides that the heat treatment in the fifth step is to anneal the proppant formed by high-temperature processing at 700-800 ℃ for 10-15 min, and after the annealing treatment, the quenching treatment is carried out to clear or generate the stress, phase splitting or crystallization in the proppant and change the structural state of the proppant.
In the sixth step, the formed proppant is crushed to a specified particle size, and the powder is uniformly fed into a special beading furnace through a distributor.
The invention further discloses that the heating and melting in the seventh step is carried out in a hot high-temperature airflow to form spherical proppant under the action of the surface tension of the proppant, and the temperature of the hot high-temperature airflow is 1750-1850 ℃.
The proppant is heated and melted and is in a floating state, and is cooled, recovered and screened and classified to finally obtain the required special fracturing proppant with different particle sizes.
Example 1:
firstly, preparing massive quartz sand, soda ash, limestone, feldspar and other raw materials, crushing the raw materials, ensuring the drying of the raw materials, crushing the raw materials, then removing iron to ensure the quality of the raw materials, then mixing 45 parts of quartz sand powder, 35 parts of soda ash powder, 34 parts of limestone powder and 14 parts of feldspar powder to prepare a batch mixture, heating the batch mixture at 1600 ℃ in a tank kiln or a crucible kiln to form a uniform and bubble-free liquid proppant meeting the molding requirement, annealing, quenching and other processes to clean or generate stress, phase splitting or crystallization in the proppant and change the structural state of the proppant, then crushing the molded proppant to 70-140 meshes, uniformly putting the powder into a special beading furnace through a distributor, heating and melting the powder in 1800 ℃ high-temperature airflow, forming spherical proppant under the action of surface tension of the proppant, wherein in order to prevent mutual adhesion among the proppants, the particles are in a floating state while being heated into beads, and finally obtaining the required special fracturing proppants with different particle sizes through necessary cooling, recovery and classification;
the average diameter of each 1 kg of fracturing proppant prepared by detection is 160.6 microns, the mass fraction of samples left in the range of (212-106) microns after screening out is 99.14%, the mass fraction of samples left on 75 microns is 0.83%, the sphericity is 0.8%, the roundness is 0.9%, the acid solubility is 6.99%, the turbidity is 13.203, and the volume density is 1.45g/cm3Apparent density of 2.50g/cm as measured by kerosene3The crushing rate is 0.57 percent under the conditions that the crushing stress is 86MPA and the 9 percent crushing grade is 12.5K; the crushing rate was 0.96% under the conditions of a crushing stress of 103MPA and a 9% crushing grade of 15K.
Example 2:
firstly, preparing massive quartz sand, soda ash, limestone, feldspar and other raw materials, crushing the raw materials, ensuring the drying of the raw materials, crushing the raw materials, then removing iron to ensure the quality of the raw materials, then mixing 40 parts of quartz sand powder, 32 parts of soda ash powder, 37 parts of limestone powder and 11 parts of feldspar powder to prepare a batch mixture, heating the batch mixture at 1550 ℃ in a tank kiln or a crucible kiln to form a uniform and bubble-free liquid proppant meeting the molding requirement, annealing, quenching and other processes to clean or generate stress, phase splitting or crystallization in the proppant and change the structural state of the proppant, then crushing the molded proppant to 40-70 meshes, uniformly putting the powder into a special beading furnace through a distributor, heating and melting the powder in 1750 ℃ high-temperature airflow, forming spherical proppant under the action of surface tension of the proppant, wherein in order to prevent mutual adhesion among the proppants, the particles are in a floating state while being heated into beads, and finally obtaining the required special fracturing proppants with different particle sizes through necessary cooling, recovery and classification;
the average diameter of each 1 kg of fracturing proppant prepared by detection is 299.5 μm, the mass fraction of samples left in the range of (425-212) μm after screening out is 99.01%, the mass fraction of samples left on 150 μm is 0.97%, the sphericity is 0.8%, the roundness is 0.9%, the acid solubility is 6.95%, the turbidity is 7.203, and the volume density is 7.203Is 1.46g/cm3Apparent density of 2.55g/cm as determined by kerosene3The crushing rate was 1.03% under the conditions of a crushing stress of 69MPA and a 9% crushing grade of 10K
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and all the changes or substitutions should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The production principle of the special fracturing propping agent with strong compressive capacity is characterized in that: the production principle of the fracturing propping agent is that calcium silicate and sodium silicate are prepared through the high-temperature composite reaction of silicon dioxide, sodium carbonate and calcium carbonate, and the main reaction principle of the fracturing propping agent is as follows:
Na2CO3+SiO2＝Na2SiO3+CO2 ↑
CaCO3+SiO2＝CaSiO3+CO2 ↑。
2. the production principle of the special fracturing propping agent with strong pressure resistance as claimed in claim 1 is characterized in that: the chemical reactions are all carried out in a high temperature environment.
3. A production process of a special fracturing propping agent with strong compressive capacity is characterized in that: the production process of the fracturing propping agent comprises the following steps:
the method comprises the following steps: preprocessing raw materials;
step two: preparing a batch material;
step three: melting at high temperature;
step four: processing and forming;
step five: heat treatment;
step six: crushing the cloth;
step seven: heating and melting;
step eight: cooling and recovering;
step nine: and (5) grading and collecting.
4. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: in the first step, the raw materials are blocky quartz sand, soda ash, limestone, feldspar and the like, the raw materials need to be dried, and the raw materials are crushed and then subjected to iron removal treatment, so that the quality of the raw materials is ensured.
5. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: and the preparation of the batch mixture in the second step is to mix quartz sand, soda ash, limestone and feldspar powder, wherein the raw materials comprise, by weight, 35-60 parts of quartz sand powder, 20-42 parts of soda ash powder, 30-45 parts of limestone powder and 10-20 parts of feldspar powder.
6. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: and in the third step, the prepared proppant batch is heated at high temperature in a tank furnace or a crucible furnace to form a uniform liquid proppant without bubbles and meeting the molding requirement, and the high-temperature heating temperature is 1550-1600 ℃.
7. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: and the heat treatment in the fifth step is to anneal the proppant formed by high-temperature processing at 700-800 ℃ for 10-15 min, and after the annealing treatment, to carry out quenching treatment, to clean or generate stress, phase splitting or crystallization in the proppant, and to change the structural state of the proppant.
8. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: and in the sixth step, the formed propping agent is crushed to the specified particle size, and the powder is uniformly put into a special beading furnace through a distributor.
9. A special type of fracturing propping agent with strong compressive capacity as claimed in claim 3, wherein: and step seven, heating and melting in the hot high-temperature airflow to form spherical proppant under the action of the surface tension of the proppant, wherein the temperature of the hot high-temperature airflow is 1750-1850 ℃.
10. The production process of the special fracturing propping agent with strong pressure resistance according to claim 9, characterized in that: the proppant is heated and melted and is in a floating state, and is cooled, recovered, screened and classified to finally obtain the required special fracturing proppant with different particle sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268637.0A CN112479696A (en) | 2020-11-13 | 2020-11-13 | Production principle and process of special fracturing propping agent with strong compressive capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268637.0A CN112479696A (en) | 2020-11-13 | 2020-11-13 | Production principle and process of special fracturing propping agent with strong compressive capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112479696A true CN112479696A (en) | 2021-03-12 |
Family
ID=74930096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011268637.0A Pending CN112479696A (en) | 2020-11-13 | 2020-11-13 | Production principle and process of special fracturing propping agent with strong compressive capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112479696A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856522A (en) * | 2022-06-08 | 2022-08-05 | 西南石油大学 | Shale oil reservoir air injection fracturing and fireflood development integrated method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753846A (en) * | 2003-01-24 | 2006-03-29 | 圣戈本陶瓷及塑料股份有限公司 | Extended particle size distribution ceramic fracturing proppant |
| CN103073176A (en) * | 2013-02-05 | 2013-05-01 | 山西海诺科技有限公司 | Preparation method of hollow glass microbead |
| CN104364343A (en) * | 2012-04-19 | 2015-02-18 | 自悬浮支撑有限公司 | Self-suspending proppants for hydraulic fracturing |
| CN106242302A (en) * | 2016-08-04 | 2016-12-21 | 陕西科技大学 | A kind of preparation method of high-strength glass microballon |
| CN107188279A (en) * | 2017-07-18 | 2017-09-22 | 山东永春堂集团有限公司 | A kind of portable quantum hydrogen-rich Water generator |
| CN107586019A (en) * | 2017-09-08 | 2018-01-16 | 金玛瑙香水（明光）有限公司 | A kind of medicine bottle formula and preparation method thereof |
| CN108147669A (en) * | 2017-12-29 | 2018-06-12 | 武汉理工大学 | A kind of flicker devitrified glass embedded with YAG crystallite phases and preparation method thereof |
-
2020
- 2020-11-13 CN CN202011268637.0A patent/CN112479696A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1753846A (en) * | 2003-01-24 | 2006-03-29 | 圣戈本陶瓷及塑料股份有限公司 | Extended particle size distribution ceramic fracturing proppant |
| CN104364343A (en) * | 2012-04-19 | 2015-02-18 | 自悬浮支撑有限公司 | Self-suspending proppants for hydraulic fracturing |
| CN103073176A (en) * | 2013-02-05 | 2013-05-01 | 山西海诺科技有限公司 | Preparation method of hollow glass microbead |
| CN106242302A (en) * | 2016-08-04 | 2016-12-21 | 陕西科技大学 | A kind of preparation method of high-strength glass microballon |
| CN107188279A (en) * | 2017-07-18 | 2017-09-22 | 山东永春堂集团有限公司 | A kind of portable quantum hydrogen-rich Water generator |
| CN107586019A (en) * | 2017-09-08 | 2018-01-16 | 金玛瑙香水（明光）有限公司 | A kind of medicine bottle formula and preparation method thereof |
| CN108147669A (en) * | 2017-12-29 | 2018-06-12 | 武汉理工大学 | A kind of flicker devitrified glass embedded with YAG crystallite phases and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 刘万生: "《无机非金属材料概论》", 31 December 1996 * |
| 杨杨: "《土木工程材料》", 31 July 2018 * |
| 王丽 等: "三山岛金矿尾矿在玻璃微珠制品中整体综合利用研究", 《山东国土资源》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856522A (en) * | 2022-06-08 | 2022-08-05 | 西南石油大学 | Shale oil reservoir air injection fracturing and fireflood development integrated method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8193128B2 (en) | Treatment of particles for improved performance as proppants | |
| US20170066962A1 (en) | Proppant bead forming methods | |
| CN100516001C (en) | Resintered fused silica brick and method of producing the same | |
| CN106242302B (en) | A kind of preparation method of high-strength glass microballon | |
| Xing et al. | Lead recovery and high silica glass powder synthesis from waste CRT funnel glasses through carbon thermal reduction enhanced glass phase separation process | |
| WO2017063580A1 (en) | Ceramsite sand for casting | |
| CN112479696A (en) | Production principle and process of special fracturing propping agent with strong compressive capacity | |
| US3001881A (en) | Pre-reacted glass batch and method for producing same | |
| JP5858105B1 (en) | Nickel oxide ore smelting method | |
| WO2016017348A1 (en) | Method for producing pellets and method for producing iron-nickel alloy | |
| US20140021419A1 (en) | Method for Producing Foam Glass by Recycling a Waste Glass Mixture | |
| CN109320090B (en) | Method for preparing microcrystalline glass by using chlorine-containing titanium extraction hot slag | |
| RU2394063C1 (en) | Procedure for production of propping agent out of alumina containing raw material | |
| CN102701573B (en) | A kind of preparation method of fused quartz hollow ball | |
| CN103193266A (en) | Method for producing zirconium-aluminum composite oxide by utilizing waste zirconium-containing refractory material | |
| CN112322276A (en) | Production method of fracturing propping agent capable of improving compression resistance | |
| CN113185128A (en) | Perovskite zircon glass ceramic curing substrate and preparation method thereof | |
| CN111233308A (en) | Opaque quartz glass ingot and preparation method thereof | |
| JP6241309B2 (en) | Method for producing regenerated salt for chemically strengthening glass and method for producing chemically strengthened glass | |
| WO2016013356A1 (en) | Method for smelting nickel oxide ore and method for charging pellets | |
| CN112322275A (en) | Production method of high-strength non-adhesive fracturing propping agent | |
| CN109518010A (en) | A kind of fine fraction rich-titanium material prilling process | |
| US2890126A (en) | Cellulated silica and the production thereof | |
| CN101717198A (en) | Method for preparing fiber reinforced foam glass | |
| WO2021049979A1 (en) | Charge for making artificial glass-crystal sand and method for producing same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |
|
| RJ01 | Rejection of invention patent application after publication |