CN109320281A - It is a kind of using industrial waste as the low-density ceramic proppant of raw material - Google Patents
It is a kind of using industrial waste as the low-density ceramic proppant of raw material Download PDFInfo
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
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- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
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- 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
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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- C04B2235/77—Density
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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
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- 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
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Abstract
The invention discloses a kind of using industrial waste as the low-density ceramic proppant of raw material, which turns waste into wealth, and solves the problem of complex utilization of coal chemical industry and tailing waste material.It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: 20-30 parts of copper tailing, 15-20 parts of manganese ore, 30-40 parts of flint clay clinker, 10-15 parts of flyash, 5-15 parts of sludge, 2-6 parts of dolomite.A method of preparing the low-density ceramic proppant, the following steps are included: flint clay clinker processed, wear into 200-300 targeted fine powder, weigh copper tailing, flint clay clinker, sludge, dolomite according to weight after be uniformly mixed, add water be made in grain；Manganese ore and flyash are mixed, interior grain is placed in one, the ball of 0.6~0.7cm of diameter is further made, after screening, drying, after firing, be cooled to room temperature to get.
Description
Technical field
The present invention is a kind of using industrial waste as the low-density ceramic proppant of raw material, belongs to oil field fracturing ceramsite propping agent
Technical field.
Background technique
Ceramsite propping agent is a kind of ceramic particle product, has very high compression strength, is mainly used for oil gas field mine water
In power fracturing work, plays supporting crack, raising oil gas water conservancy diversion rate to increase oil and gas production and belong to environment-friendly products.At present
Proppant mainly has three classes: haydite, quartz sand and resin burnt-in sand.Quartz sand intensity is low and clast after rupturing can be blocked and be split
Seam reduces water conservancy diversion rate, is not able to satisfy the requirement of deep mining；Various resin burnt-in sands solve the problems, such as that quartz sand intensity is low, but
High production cost, complex process；Sintering ceramsite is because intensity is high, chemical stability is good, superior cost performance is more and more
Oil field is widely used, but density is higher, is easy to damage fracturing unit.
China is in industrialization, urbanization accelerated development stage, and mineral resources consumption is big, and external dependence degree is higher.
But global commodity price continuous rise, increases the production cost of mineral products demand enterprise, while increasing resource security again
Pressure.Under Global Mineral situation in short supply, global developed country's discovery, mineral resource processing utilizes rear remaining
In residue, tailing, contain the business opportunity of secondary use.And China is mining powers, has developed and used a large amount of tails of long-term accumulated
Mine " can not only turn waste into wealth ", but also resource and environmental pressure can be effectively relieved.
Tailing is that " waste " is discharged in mining firm under certain condition of technology and economy, but is potential secondary again simultaneously
Resource can carry out effective exploitation when technology, economic condition allow again.According to statistics, before 2000, China mine output
Tailing total amount be 50.26 hundred million tons, wherein iron ore mine amount is 26.14 hundred million tons, and the tailing amount of main non-ferrous metal is 21.09
Hundred million tons, gold tailings amount is 2.72 hundred million tons, other 0.31 hundred million tons.The mine of China in 2000 year tailing disposal reaches 600,000,000 tons, by this
It calculates, 8,000,000,000 tons of total amount or so of existing tailing.Obviously, tailing is the resource for having misplaced place.According to Chinese Mining Industry federation
Tailings comprehensive administer office estimation, about 130,000,000,000 yuan of China's tailing potential value, development and utilization brought by will be one
The economic benefit of ten thousand benefits, has great temptation.
Currently, domestic had much about the research that tailing is used for petroleum fracturing propping agent.As patent " utilizes magnesium mine
The standby proppant of tailing, iron ore mine, boric sludge ", patent " a kind of low-density in intensity petroleum fracturing propping agent and its preparation ",
Patent " a kind of proppant and preparation method thereof using the preparation of the tailing of magnesium mine and boron rock ", is related to magnesium mine tailing, boron tailing
With the utilization of iron ore mine.
Therefore using industrial waste prepare ceramsite propping agent, and guarantee product percentage of damage and suitable bulk density and
Apparent density is the direction of the following proppant research.
Summary of the invention
To solve the shortcomings of the prior art, the invention discloses a kind of using industrial waste as the low-density ceramsite of raw material
Proppant, the ceramsite propping agent are turned waste into wealth, and solve the problem of complex utilization of coal chemical industry and tailing waste material.
The invention is realized by the following technical scheme:
It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: copper tailing 20-
30 parts, 15-20 parts of manganese ore, 30-40 parts of flint clay clinker, 10-15 parts of flyash, 5-15 parts of sludge, 2-6 parts of dolomite.
Preferably, described a kind of using industrial waste as the low-density ceramic proppant of raw material, using the original of following weight parts
Material is made: 23-27 parts of copper tailing, 16-18 parts of manganese ore, 33-37 parts of flint clay clinker, and 12-14 parts of flyash, sludge 8-13
Part, 3-5 parts of dolomite.
The sludge is the excess sludge after refinery's oily sludge or sewage treatment.
A method of preparing the low-density ceramic proppant, comprising the following steps:
1) by under the conditions of 900-1000 DEG C of flint clay rawore, after calcining 2-3 hours, flint clay clinker is made；
2) copper tailing, manganese ore, flint clay clinker, coalification workshop flyash, sludge, dolomite are worn into 200-300 mesh respectively
Fine powder；
3) it is uniformly mixed, is added after weighing the copper tailing, flint clay clinker, sludge, dolomite according to weight
Interior grain is made then by manufactured particle after screening in water granulation, Granulation time 30-50min；
4) it is uniformly mixed after weighing the manganese ore and coalification workshop flyash according to weight, interior grain is placed in it
In, add water granulation 10-20min, the ball of 0.6~0.7cm of spherolite diameter is made；
5) it by after the screening of ball made from step 4), is dried in drying kiln, makes moisture content no more than 5wt%, into returning
Rotary kiln firing, setting firing temperature are 1350-1400 DEG C, after firing 1-2h, are cooled to room temperature to get finished product ceramsite propping agent.
The cooling stage is divided into five stages carried out in turn below:
First temperature-fall period is cooled to 950-1050 DEG C from 1350-1400 DEG C, temperature fall time 0.5-1.5h；
The first constant temperature stage, in 950-1050 DEG C of constant temperature 1-1.5h；
Second temperature-fall period is cooled to 500-600 DEG C from 950-1050 DEG C, temperature fall time 0.5-1.5h；
The second constant temperature stage, in 500-600 DEG C of constant temperature 1-2h；
Third temperature-fall period is cooled to room temperature, temperature fall time 0.5-1h.
Compared with the prior art, the invention has the following beneficial effects:
The present invention solves the problems, such as copper tailing in preparation ultra-low-density ceramic proppant, be chemical spent material and copper tailing or other
The application of tailing, the approach and thinking of extension.Meanwhile the performance indexes of obtained proppant still reaches original technique
Level, instead of deep well fracturing proppant be applied to shallow well pressure break, volume density is less than 1.5 g/cm3, strong reduction or drop
Low the operating cost of oil field ancillary equipment (pressure fluid, sand ratio etc.), reduces the use of fracturing fluid, reduce proppant at
This expense reduces unnecessary waste, improves the utility value of proppant, generates huge economic benefit for oil field.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, but protection scope of the present invention is not
Be limited to these embodiments, it is all without departing substantially from the change of present inventive concept or equivalent substitute be included in protection scope of the present invention it
It is interior.
Embodiment 1
It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: copper tailing 20
Part, 15 parts of manganese ore, 40 parts of flint clay clinker, 10 parts of flyash, 15 parts of sludge, 6 parts of dolomite.
Embodiment 2
It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: copper tailing 30
Part, 20 parts of manganese ore, 30 parts of flint clay clinker, 15 parts of flyash, 5 parts of sludge, 2 parts of dolomite.
Embodiment 3
It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: copper tailing 23
Part, 18 parts of manganese ore, 37 parts of flint clay clinker, 14 parts of flyash, 13 parts of sludge, 5 parts of dolomite.
Embodiment 4
It is a kind of using industrial waste as the low-density ceramic proppant of raw material, be made of the raw material of following weight parts: copper tailing 27
Part, 16 parts of manganese ore, 33 parts of flint clay clinker, 12 parts of flyash, 8 parts of sludge, 3 parts of dolomite.
Embodiment 5
Preferably, described a kind of using industrial waste as the low-density ceramic proppant of raw material, using the raw material system of following weight parts
At: 25 parts of copper tailing, 17 parts of manganese ore, 35 parts of flint clay clinker, 13 parts of flyash, 10 parts of sludge, 4 parts of dolomite.
Prepare embodiment 1
A method of preparing the low-density ceramic proppant, comprising the following steps:
1) by under the conditions of 900 DEG C of flint clay rawore, after calcining 3 hours, flint clay clinker is made；
2) by copper tailing, manganese ore, flint clay clinker, coalification workshop flyash, sludge, that dolomite wears into 200 purposes respectively is thin
Powder；
3) it is uniformly mixed, is added after weighing the copper tailing, flint clay clinker, sludge, dolomite according to weight
Interior grain is made then by manufactured particle after screening in water granulation, Granulation time 50min；
4) it is uniformly mixed after weighing the manganese ore and coalification workshop flyash according to weight, interior grain is placed in it
In, add water granulation 10min, the ball of spherolite diameter 0.7cm is made；
5) it by after the screening of ball made from step 4), is dried in drying kiln, makes moisture content no more than 5wt%, into returning
Rotary kiln firing, setting firing temperature are 1400 DEG C, after firing 1h, are cooled to room temperature to get finished product ceramsite propping agent.
The cooling stage is divided into five stages carried out in turn below:
First temperature-fall period is cooled to 1050 DEG C from 1400 DEG C, temperature fall time 1h；
The first constant temperature stage, in 1050 DEG C of constant temperature 1.5h；
Second temperature-fall period is cooled to 600 DEG C from 1050 DEG C, temperature fall time 1.5h；
The second constant temperature stage, in 600 DEG C of constant temperature 1h；
Third temperature-fall period is cooled to room temperature, temperature fall time 1h.
Prepare embodiment 2
A method of preparing the low-density ceramic proppant, comprising the following steps:
1) by under the conditions of 900 DEG C of flint clay rawore, after calcining 3 hours, flint clay clinker is made；
2) by copper tailing, manganese ore, flint clay clinker, coalification workshop flyash, sludge, that dolomite wears into 230 purposes respectively is thin
Powder；
3) it is uniformly mixed, is added after weighing the copper tailing, flint clay clinker, sludge, dolomite according to weight
Interior grain is made then by manufactured particle after screening in water granulation, Granulation time 30min；
4) it is uniformly mixed after weighing the manganese ore and coalification workshop flyash according to weight, interior grain is placed in it
In, add water granulation 20min, the ball of spherolite diameter 0.6cm is made；
5) it by after the screening of ball made from step 4), is dried in drying kiln, makes moisture content no more than 5wt%, into returning
Rotary kiln firing, setting firing temperature are 1350 DEG C, after firing 2h, are cooled to room temperature to get finished product ceramsite propping agent.
The cooling stage is divided into five stages carried out in turn below:
First temperature-fall period is cooled to 950 DEG C from 1350 DEG C, temperature fall time 1.5h；
The first constant temperature stage, in 950 DEG C of constant temperature 1h；
Second temperature-fall period is cooled to 500 DEG C from 950 DEG C, temperature fall time 0.5h；
The second constant temperature stage, in 500 DEG C of constant temperature 2h；
Third temperature-fall period is cooled to room temperature, temperature fall time 1h.
Prepare embodiment 3
A method of preparing the low-density ceramic proppant, comprising the following steps:
1) by under the conditions of 950 DEG C of flint clay rawore, after calcining 2.5 hours, flint clay clinker is made；
2) by copper tailing, manganese ore, flint clay clinker, coalification workshop flyash, sludge, that dolomite wears into 270 purposes respectively is thin
Powder；
3) it is uniformly mixed, is added after weighing the copper tailing, flint clay clinker, sludge, dolomite according to weight
Interior grain is made then by manufactured particle after screening in water granulation, Granulation time 40min；
4) it is uniformly mixed after weighing the manganese ore and coalification workshop flyash according to weight, interior grain is placed in it
In, add water granulation 15min, the ball of spherolite diameter 0.65cm is made；
5) it by after the screening of ball made from step 4), is dried in drying kiln, makes moisture content no more than 5wt%, into returning
Rotary kiln firing, setting firing temperature are 1380 DEG C, after firing 1-2h, are cooled to room temperature to get finished product ceramsite propping agent.
The cooling stage is divided into five stages carried out in turn below:
First temperature-fall period is cooled to 1000 DEG C from 1380 DEG C, temperature fall time 1.5h；
The first constant temperature stage, in 1000 DEG C of constant temperature 1h；
Second temperature-fall period is cooled to 550 DEG C from 1000 DEG C, temperature fall time 1h；
The second constant temperature stage, in 550 DEG C of constant temperature 1.5h；
Third temperature-fall period is cooled to room temperature, temperature fall time 0.5h.
The present invention is not limited by embodiment illustrated herein, and is to fit to and principles disclosed herein and novelty
The consistent widest range of feature.
Claims (5)
1. a kind of using industrial waste as the low-density ceramic proppant of raw material, which is characterized in that using the raw material of following weight parts
It is made: 20-30 parts of copper tailing, 15-20 parts of manganese ore, 30-40 parts of flint clay clinker, 10-15 parts of flyash, 5-15 parts of sludge,
2-6 parts of dolomite.
2. according to claim 1 a kind of using industrial waste as the low-density ceramic proppant of raw material, which is characterized in that adopt
It is made of the raw material of following weight parts: 23-27 parts of copper tailing, 16-18 parts of manganese ore, 33-37 parts of flint clay clinker, flyash
12-14 parts, 8-13 parts of sludge, 3-5 parts of dolomite.
3. according to claim 1 or 2 a kind of using industrial waste as the low-density ceramic proppant of raw material, feature exists
In the sludge is the excess sludge after refinery's oily sludge or sewage treatment.
4. a kind of method for preparing low-density ceramic proppant described in claims 1 or 2 or 3, which is characterized in that including following
Step:
1) by under the conditions of 900-1000 DEG C of flint clay rawore, after calcining 2-3 hours, flint clay clinker is made；
2) copper tailing, manganese ore, flint clay clinker, coalification workshop flyash, sludge, dolomite are worn into 200-300 mesh respectively
Fine powder；
3) it is uniformly mixed, is added after weighing the copper tailing, flint clay clinker, sludge, dolomite according to weight
Interior grain is made then by manufactured particle after screening in water granulation, Granulation time 30-50min；
4) it is uniformly mixed after weighing the manganese ore and coalification workshop flyash according to weight, interior grain is placed in it
In, add water granulation 10-20min, the ball of 0.6~0.7cm of spherolite diameter is made；
5) it by after the screening of ball made from step 4), is dried in drying kiln, makes moisture content no more than 5wt%, into returning
Rotary kiln firing, setting firing temperature are 1350-1400 DEG C, after firing 1-2h, are cooled to room temperature to get finished product ceramsite propping agent.
5. a kind of method for preparing low-density ceramic proppant as raw material using industrial waste according to claim 4, special
Sign is that the cooling stage is divided into five stages carried out in turn below:
First temperature-fall period is cooled to 950-1050 DEG C from 1350-1400 DEG C, temperature fall time 0.5-1.5h；
The first constant temperature stage, in 950-1050 DEG C of constant temperature 1-1.5h；
Second temperature-fall period is cooled to 500-600 DEG C from 950-1050 DEG C, temperature fall time 0.5-1.5h；
The second constant temperature stage, in 500-600 DEG C of constant temperature 1-2h；
Third temperature-fall period is cooled to room temperature, temperature fall time 0.5-1h.
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| CN110511736A (en) * | 2019-07-19 | 2019-11-29 | 北京融达环科新材料科技有限公司 | A kind of oil-filed fracturing propping agent and preparation method thereof of waste residue preparation after the oil removing using oily sludge |
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| CN103288420A (en) * | 2013-05-16 | 2013-09-11 | 陕西科技大学 | Method for preparing fracturing propping agent special for shale gas from fly ash |
| CN105733553A (en) * | 2016-04-18 | 2016-07-06 | 垣曲县刚玉陶粒有限责任公司 | Ultralow-density ceramsite proppant prepared from copper tailings |
| CN107057677A (en) * | 2017-05-15 | 2017-08-18 | 太原科技大学 | A kind of low-density lytag proppant and preparation method thereof |
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|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110511736A (en) * | 2019-07-19 | 2019-11-29 | 北京融达环科新材料科技有限公司 | A kind of oil-filed fracturing propping agent and preparation method thereof of waste residue preparation after the oil removing using oily sludge |
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