CN102757780A - Oil fracturing propping agent and production method thereof - Google Patents
Oil fracturing propping agent and production method thereof Download PDFInfo
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- CN102757780A CN102757780A CN2012102842984A CN201210284298A CN102757780A CN 102757780 A CN102757780 A CN 102757780A CN 2012102842984 A CN2012102842984 A CN 2012102842984A CN 201210284298 A CN201210284298 A CN 201210284298A CN 102757780 A CN102757780 A CN 102757780A
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- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000002699 waste material Substances 0.000 claims abstract description 32
- 239000003245 coal Substances 0.000 claims abstract description 31
- 239000000843 powder Substances 0.000 claims abstract description 28
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- 238000005065 mining Methods 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 238000012216 screening Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 35
- 239000003208 petroleum Substances 0.000 claims description 24
- 239000011819 refractory material Substances 0.000 claims description 22
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- 239000002245 particle Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 22
- 238000000498 ball milling Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000005469 granulation Methods 0.000 abstract description 5
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- 239000007921 spray Substances 0.000 abstract description 5
- 238000011161 development Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000011265 semifinished product Substances 0.000 abstract 3
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 239000010431 corundum Substances 0.000 description 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 3
- 239000002440 industrial waste Substances 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- -1 chip Substances 0.000 description 2
- 229910001648 diaspore Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
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- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
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- 238000009866 aluminium metallurgy Methods 0.000 description 1
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- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to an oil fracturing propping agent and a production method thereof. The oil fracturing propping agent is composed of, by mass, 52% to 60% of aluminum ores, 1% to 10% of mining beneficiation waste residues, 1% to 5% of red mud, 1% to 15% of waste fire resistant materials and 17% to 25 % of coal gangue. The production method includes the steps of subjecting raw materials to crushing, ball milling, screening and dosing in proportion to obtain mixed fine powders; granulating the fine powders through a spray granulation system, and screening the granulated fine powders to obtain semi-finished products; drying and roasting the semi-finished products in a rotary kiln, and then cooling and screening the dried semi-finished products through a rolling screen to obtain finished products. According to the oil fracturing propping agent and the production method thereof, a high-strength and low-density fracturing propping agent is provided for oilfields (oil gas), not only requirements of deep well fracturing can be met, and oilfield (oil gas) development efficiency is improved, but also wastes produced in the industrial production are used comprehensively, the environment pollution problem is solved effectively, the production cost is reduced, and the market competitiveness of products is enhanced.
Description
Technical field
The present invention relates to the Selid propping agent that a kind of oil, gas well fracturing are used, particularly related to a kind of high-strength low-density fracturing propping agents and working method thereof, belonged to oil recovery (gas) auxiliary agent field.
Background technology
Petroleum fracturing propping agent is a proprietary material essential in the oil-gas field fracturing operation, especially in the exploitation in low-permeability oil gas field, is bringing into play important effect.At present, the ceramsite propping agent intensity of domestic application generally lower (anti-pressure ability is generally 52MPa) is difficult to satisfy the demand of heavy duty service, and its volume density and volume density are bigger.According to discovering: the propping agent that volume density is big produces the mound shape easily in the port, crack that pressure break produces accumulation, extremely unfavorable to water conservancy diversion, and, increase the pressing crack construction difficulty to the higher requirement of fracturing liquid proposition; Volume density greatly then can increase the quality of filling the required propping agent of formation fracture, increases the cost of frac job.Therefore, research and development low-density and high-strength petroleum fracturing propping agent is of great immediate significance.
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide, 1 ton of aluminum oxide of the every production of average, the subsidiary 1.0-2.0 ton red mud that produces.China is as the fourth-largest alumina producing in world state, and the red mud of annual discharging is up to millions of tons, and the red mud quantity that the whole world produces is surprising especially.A large amount of red muds can not fully effectively utilize, and can only be deposited on the soil, and this has not only taken a large amount of soils, also environment has been caused serious pollution.
Coal gangue is the solid waste that discharges in coal mining process and the coal washing process, be a kind of lower with a kind of carbon content of coal seam association in the coal-forming process, than the hard grey black look rock of coal.Coal gangue is thrown aside, not only takies a large amount of soils, and can influence ecological environment.Coal gangue dissolves water will pollute surrounding soil and underground water, and coal gangue contains certain combustiblematerials, and obnoxious flavour pollutant atmospheres such as spontaneous combustion meeting discharging sulfurous gas, oxynitride, oxycarbide and flue dust influence the healthy of resident.
Waste and old refractory materials is a depleted refractory materials in the industrial production; High temperature industry such as iron and steel, cement, glass and all types of industries cellar for storing things stove all will consume a large amount of refractory materialss every year, and refractory materials manufacturing enterprise also can produce a large amount of waste and old refractory wastes in process of production.These waste and old refractory materials is enormous amount not only, and extremely hard to manage, have only few part just can utilize, and the typical processing mode of most waste and old refractory materials is buried or the use of demoting exactly again.Like this, not only enterprise will spend huge fund and piles up with buying or bury waste material, has increased production cost, and these waste and old refractory materials severe contaminations environment, wasted ample resources.
The mining rejects is barren rock, chip, powder, dust and the mud etc. that produce in the mining mineral resource process, if can not waste residue effectively be utilized, will take a large amount of soils, waste resource, influence ecological environment.
Along with the fast development of industry, the quantity of red mud, coal gangue, waste and old refractory materials and these industrial wastes of mining rejects grows with each passing day, these waste disposal difficulties; The reasonable use method has not only caused taking in a large number of soil, has polluted ecotope yet; Influenced the healthy of the mankind; How to utilize these industrial wastes, turn waste into wealth, become a new problem.
Summary of the invention
The purpose of this invention is to provide a kind of low volume density, low volume density, high-intensity petroleum fracturing propping agent.
The present invention also aims to provide a kind of working method of petroleum fracturing propping agent.
In order to realize above purpose; The technical scheme that the present invention adopted is to provide a kind of petroleum fracturing propping agent, and this petroleum fracturing propping agent is made up of following raw materials by weight percentage: aluminum ore 52-60%, mining rejects 1-10%, waste and old refractory materials 1-15%, coal gangue 17-25% and red mud 1-5%.
Simultaneously, technical program of the present invention also lies in providing a kind of working method of petroleum fracturing propping agent, may further comprise the steps: after each raw material crushing, abrasive dust, screening, be mixed with the uniform mixing fine powder in proportion and granulate, granule sieving promptly gets work in-process; With the work in-process drying and roasting, sintering 8-10h postcooling to 30 ~ 50 ℃, the screening of rolling promptly obtains this product.
Described mixing fine powders selects for use the 0.048mm sieve to select powder.
Described half-finished particle diameter is the 19-30 order.
Described finished product is selected the screening of 20-40 mesh sieve for use.
Described drying and roasting adopts rotary kiln, and temperature of kiln head is controlled at 1300-1400 ℃, and kiln end temperature is controlled at 260-330 ℃.
The invention provides several kinds of starting material:
Aluminum ore is meant what industry upward can utilize, is the general name of the ore of essential mineral composition with gipsite, boehmite or diaspore, and its staple is an aluminum oxide.Aluminum ore is widely used in industries such as aluminium metallurgy industry, refractory materials.In the explored reserves of China, a diaspore type aluminum ore accounts for more than 98% of national total reserves.The aluminum ore Al that the present invention adopts
2O
3Content 55 ~ 75%, SiO
25 ~ 20%, alumina silica ratio is 4 ~ 7, mainly utilizes the Al in the aluminum ore
2O
3, SiO
2Reaction at high temperature generates high-intensity mullite and a small amount of corundum mutually, the ultimate compression strength of raising product.
The mining rejects is barren rock, chip, powder, dust and the mud etc. that produce in the mining mineral resource process; It mainly is an argillaceous ore; Adding mining rejects is intended to utilize the viscosity of its ore; When making work in-process, improve the shaping efficiency of grain, and strengthen half-finished intensity, thereby improve the quality of product.
The contaminative waste residue of discharging when red mud is Aluminium industry extraction aluminum oxide; Show red because of being rich in red stone; In the fracturing propping agents production process, add red mud, in sintering process, red stone produces liquid phase and is wrapped in proppant surface under hot conditions; When reducing sintering temperature, can also improve proppant surface smooth finish.
Coal gangue is the solid waste that discharges in coal mining process and the coal washing process, be a kind of lower with a kind of carbon content of coal seam association in the coal-forming process, than the hard grey black look rock of coal.Its staple is C, Al
2O
3, SiO
2, the adding of coal gangue is intended to utilize Al
2O
3, SiO
2The binary crystalline phase can reduce the temperature that mullite forms, and the gas that produces at high temperature of coal gangue impels that crystal grain is inner to form closed pore, effectively reduces the volume density and the volume density of propping agent.
Aluminum oxide in the waste and old refractory materials and silicon-dioxide have been converted into stable HS crystalline phases such as mullite and corundum when it is produced, when reducing maturing temperature, can improve the ultimate compression strength of propping agent, and the acid fastness to propping agent also makes moderate progress simultaneously.
Main raw material(s) component of the present invention requires (representing % with mass percent) as shown in table 1:
The requirement of table 1 petroleum fracturing propping agent main raw material(s) component
| Raw material | Al 2O 3 | SiO 2 | Fe 2O 3 | TiO 2 | MgO | K 2O | NaO | CaO | Loss on ignition |
| Waste and old refractory materials | 40-70 | 4-30 | <3 | <5 | <2 | <1.5 | <1 | - | <1 |
| Coal gangue | 20-60 | 20-50 | ≤6 | ≤3 | <2 | - | - | <10 | <10 |
| Red mud | 5-20 | 3-23 | 7-20 | <8 | 1-2 | <1 | 2-3 | 2-49 | <15 |
| The mining rejects | <50 | >;20 | >;1 | >;5 | <2 | <1 | <1 | <11 | <10 |
| Aluminum ore | 55-75 | 5-20 | <4 | <4 | <1 | - | - | <1 | <15 |
The mechanism of each starting material component effect of the present invention is aluminum ore Al when 1300-1400 ℃ of high-temperature calcination
2O
3, SiO
2React, generate α-corundum, improve the ultimate compression strength of propping agent; Waste and old refractory materials utilizes its stability and formed when high-temperature roasting corundum phase can reduce maturing temperature; The gas that utilizes coal gangue under hot conditions, to generate is at Al
2O
3Produce small pore (ventilate, the hole of holding one's breath) in the crystal, reduced the volume density of propping agent; The adding of red mud is intended to utilize its red stone that contains at high temperature to produce liquid phase, is wrapped in proppant surface, is in the crystal boundary place, Al
2O
3To overcome its resistance when crystal further increases, must surpass the spinel phase, need very macro-energy, hinder Al thus
2O
3The increase of crystal grain has improved the intensity of propping agent, but coal gangue excessive adds affiliation gas vol is increased, and makes propping agent loose, reduces its intensity on the contrary; Utilize the viscosity in mining rejects medium clay soil ore deposit, the viscosity of mixing fine powders is increased, helpful to granulating, improve efficient and half-finished degree of compactness of granulating, and then improve the quality of products.
According to the requirement of SYT5108-2006 industry standard; Product performance of the present invention are detected: the percentage of damage under 52MPa and the high locking pressure of 69MPa is respectively and is lower than 5.0% and 8.0%; Satisfy industrial use standard fully, and remarkable advantages is arranged than the anti-percentage of damage of like product; Small product size density is 1.40-1.60g/cm
3, volume density is 2.60-2.85g/cm
3, density is lower than industry standard; Surface smoothness is good, can reduce the oil fracturing cost.Product performance of the present invention are seen table 2, table 3.
Raw material drawing of the present invention is convenient; And creatively with these industrial waste comprehensive utilizations of aluminum ore, waste and old refractory materials, red mud, coal gangue and mining rejects; Turn waste into wealth; Not only developed a kind of high-strength low-density fracturing propping agents, and solved environmental problem, reduced cost.The fracturing propping agents of the present invention preparation are not merely heavy duty service and provide support, and help the of the fracturing fluid use of non-gel, are convenient in the stratum, form the support belt with certain-length and height, thereby improve the payzone flow conductivity and increase production and improve productivity.
Description of drawings
Fig. 1 is the microstructure picture of petroleum fracturing propping agent.
Embodiment
Embodiment 1
The petroleum fracturing propping agent of present embodiment is made up of the raw material of following mass percent: aluminum ore 60%, waste and old refractory materials 13%, coal gangue 19%, red mud 3%, mining rejects 5%.
The preparation method of petroleum fracturing propping agent is following: behind each raw material is broken through Hubei Province formula, the vertical crushing, and ball milling abrasive dust 2h, fine powder is crossed the 0.048mm sieve and is selected powder, and sieving rate is greater than 98%.Process mixing fine powders according to the mass percent microcomputer automatic blending of aluminum ore 60%, waste and old refractory materials 13%, coal gangue 19%, red mud 3%, mining rejects 5% and get into the pot granulation of granulating; In the pot of granulating, at the uniform velocity stir; Spray into simultaneously the atomizing aqueous vapor continuously; Mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and the control temperature of kiln head is 1300 ℃, and kiln end temperature is controlled at 260 ℃, fires 8h, is cooled to 30 ℃ through cooling kiln, and the screening of 20-40 mesh sieve promptly obtains this product.According to the SYT5108-2006 standard product performance are detected, the result is as shown in table 2.
Embodiment 2
The petroleum fracturing propping agent of present embodiment is made up of the raw material of following mass percent: aluminum ore 58%, waste and old refractory materials 12%, coal gangue 17%, red mud 5%, mining rejects 8%.
The preparation method of petroleum fracturing propping agent is following: behind each raw material is broken through Hubei Province formula, the vertical crushing, and ball milling abrasive dust 3h, fine powder is crossed the 0.048mm sieve and is selected powder, and sieving rate is greater than 98%.Process mixing fine powders according to mass percent aluminum ore 58%, waste and old refractory materials 12%, coal gangue 17%, red mud 5%, mining rejects 8% microcomputer automatic blending and get into the pot granulation of granulating; In the pot of granulating, at the uniform velocity stir; Spray into simultaneously the atomizing aqueous vapor continuously; Mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and the control temperature of kiln head is 1400 ℃, and kiln end temperature is controlled at 300 ℃, fires 10h, is cooled to 50 ℃ through cooling kiln, and the screening of 2040 mesh sieves promptly obtains this product.According to the SYT5108-2006 standard product performance are detected, the result is as shown in table 2.
Embodiment 3
The petroleum fracturing propping agent of present embodiment is made up of the raw material of following mass percent: aluminum ore 55%, waste and old refractory materials 13%, coal gangue 21%, red mud 1%, mining rejects 10%.
The preparation method of petroleum fracturing propping agent is following: behind each raw material is broken through Hubei Province formula, the vertical crushing, and ball milling abrasive dust 3h, fine powder is crossed the 0.048mm sieve and is selected powder, and sieving rate is greater than 98%.Process mixing fine powders according to mass percent aluminum ore 55%, waste and old refractory materials 13%, coal gangue 21%, red mud 1%, mining rejects 10% microcomputer automatic blending and get into the pot granulation of granulating; In the pot of granulating, at the uniform velocity stir; Spray into simultaneously the atomizing aqueous vapor continuously; Mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and the control temperature of kiln head is 1350 ℃, and kiln end temperature is controlled at 330 ℃, fires 9h, is cooled to 40 ℃ through cooling kiln, and the screening of 20-40 mesh sieve promptly obtains this product.According to the SYT5108-2006 standard product performance are detected, the result is as shown in table 2.
Embodiment 4
The petroleum fracturing propping agent of present embodiment is made up of the raw material of following mass percent: aluminum ore 52%, waste and old refractory materials 15%, coal gangue 25%, red mud 4%, mining rejects 4%.
The preparation method of petroleum fracturing propping agent is following: behind each raw material is broken through Hubei Province formula, the vertical crushing, and ball milling abrasive dust 4h, fine powder is crossed the 0.048mm sieve and is selected powder, and sieving rate is greater than 98%.Process mixing fine powders according to mass percent aluminum ore 52%, waste and old refractory materials 15%, coal gangue 25%, red mud 4%, mining rejects 4% microcomputer automatic blending and get into the pot granulation of granulating; In the pot of granulating, at the uniform velocity stir; Spray into simultaneously the atomizing aqueous vapor continuously; Mixing fine powders forms round shaped grain not of uniform size, crosses the screening of 19-30 mesh sieve and obtains work in-process.Work in-process are delivered to rotary kiln baking, and the control temperature of kiln head is 1330 ℃, and kiln end temperature is controlled at 280 ℃, fires 10h, is cooled to 35 ℃ through cooling kiln, and the screening of 20-40 mesh sieve promptly obtains this product.According to the SYT5108-2006 standard product performance are detected, the result is as shown in table 2.
Table 2 product performance detected result
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Volume density (g/cm 3） | 1.48 | 1.50 | 1.52 | 1.55 |
| Volume density (g/cm 3) | 2.66 | 2.71 | 2.79 | 2.85 |
| Circularity | 0.9 | 0.9 | 0.9 | 0.85 |
| Sphericity | 0.9 | 0.9 | 0.85 | 0.9 |
| Turbidity (FTU) | 40.2 | 38.4 | 41.3 | 37.8 |
| Acid solubility (%) | 6.8 | 6.6 | 6.4 | 6.2 |
| Percentage of damage/52MPa (%) | 4.8 | 4.4 | 3.8 | 3.4 |
| Percentage of damage/69MPa (%) | 7.6 | 7.8 | 7.0 | 6.8 |
Table 3 product performance index of the present invention and industry standard contrast
| Performance | Product of the present invention | Industry standard |
| Volume density (g/cm 3） | 1.40~1.60 | ≤1.65 |
| Volume density (g/cm 3) | 2.60~2.85 | ≤3.00 |
| Circularity | 0.85~0.9 | ＞0.8 |
| Sphericity | 0.85~0.9 | ＞0.8 |
| Turbidity (FTU) | 37.0~42.0 | ≤100 |
| Acid solubility (%) | 6.2~6.8 | ≤8 |
| Percentage of damage/52MPa (%) | 3.0~5.0 | ≤9 |
| Percentage of damage/69MPa (%) | 6.0~8.0 | - |
Claims (6)
1. petroleum fracturing propping agent, it is characterized by: it is made up of following raw materials by weight percentage: aluminum ore 52-60%, mining rejects 1-10%, waste and old refractory materials 1-15%, coal gangue 17-25% and red mud 1-5%.
2. the working method of a petroleum fracturing propping agent as claimed in claim 1, it is characterized by: after each raw material crushing, abrasive dust, screening, be made into the uniform mixing fine powder in proportion and granulate, granule sieving promptly gets work in-process; With the work in-process drying and roasting, sintering 8-10h postcooling to 30 ~ 50 ℃, the screening of rolling promptly obtains this product.
3. according to the working method of claims 2 described petroleum fracturing propping agents, it is characterized by: described mixing fine powders selects for use the 0.048mm sieve to select powder.
4. according to the working method of claims 2 described petroleum fracturing propping agents, it is characterized by: described half-finished particle diameter is the 19-30 order.
5. according to the working method of claims 2 described petroleum fracturing propping agents, it is characterized by: described finished product is selected the screening of 20-40 mesh sieve for use.
6. according to the working method of claims 2 described petroleum fracturing propping agents, it is characterized by: described drying and roasting adopts rotary kiln, and temperature of kiln head is controlled at 1300-1400 ℃, and kiln end temperature is controlled at 260-330 ℃.
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|---|---|---|---|
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| CN103708752A (en) * | 2013-12-02 | 2014-04-09 | 洛阳麦德陶粒有限公司 | Method for production of ceramsite sand from tile grinding waste |
| CN106833600A (en) * | 2017-01-16 | 2017-06-13 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
| CN108290792A (en) * | 2015-10-05 | 2018-07-17 | 察克科技有限公司 | Sintered balls, the production method of sintered balls and their purposes |
| CN108795405A (en) * | 2018-07-10 | 2018-11-13 | 山西富森能源科技有限公司 | The ceramsite propping agent of low-density and high-strength is made using waste and old refractory material |
| CN110257046A (en) * | 2019-07-23 | 2019-09-20 | 天津理工大学 | A method of petroleum fracturing propping agent is prepared using red mud and oil sludge and sand |
| CN111454076A (en) * | 2020-04-30 | 2020-07-28 | 西安建筑科技大学 | Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process |
| CN115404069A (en) * | 2022-09-08 | 2022-11-29 | 郑州德赛尔陶粒有限公司 | Fracturing propping agent prepared from tailing waste and production system thereof |
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| CN103708752A (en) * | 2013-12-02 | 2014-04-09 | 洛阳麦德陶粒有限公司 | Method for production of ceramsite sand from tile grinding waste |
| CN108290792A (en) * | 2015-10-05 | 2018-07-17 | 察克科技有限公司 | Sintered balls, the production method of sintered balls and their purposes |
| CN106833600A (en) * | 2017-01-16 | 2017-06-13 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
| CN106833600B (en) * | 2017-01-16 | 2019-07-30 | 中国建筑材料科学研究总院 | A kind of acidproof high-strength pressure crack proppant of red mud base and preparation method thereof |
| CN108795405A (en) * | 2018-07-10 | 2018-11-13 | 山西富森能源科技有限公司 | The ceramsite propping agent of low-density and high-strength is made using waste and old refractory material |
| CN110257046A (en) * | 2019-07-23 | 2019-09-20 | 天津理工大学 | A method of petroleum fracturing propping agent is prepared using red mud and oil sludge and sand |
| CN111454076A (en) * | 2020-04-30 | 2020-07-28 | 西安建筑科技大学 | Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process |
| CN111454076B (en) * | 2020-04-30 | 2022-07-12 | 西安建筑科技大学 | Ceramsite proppant prepared from blast furnace tapping channel waste and preparation process |
| CN115404069A (en) * | 2022-09-08 | 2022-11-29 | 郑州德赛尔陶粒有限公司 | Fracturing propping agent prepared from tailing waste and production system thereof |
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