CN102876315B - Low-density ceramsite supporting agent and preparation method thereof - Google Patents
Low-density ceramsite supporting agent and preparation method thereof Download PDFInfo
- Publication number
- CN102876315B CN102876315B CN201210386428.5A CN201210386428A CN102876315B CN 102876315 B CN102876315 B CN 102876315B CN 201210386428 A CN201210386428 A CN 201210386428A CN 102876315 B CN102876315 B CN 102876315B
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- CN
- China
- Prior art keywords
- mine tailing
- bauxitic clay
- clay mine
- chromite
- low
- Prior art date
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Links
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 101
- 238000005245 sintering Methods 0.000 claims abstract description 30
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 239000004927 clay Substances 0.000 claims description 36
- 238000007873 sieving Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 11
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010298 pulverizing process Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims description 2
- 229910001570 bauxite Inorganic materials 0.000 abstract 7
- 229910000278 bentonite Inorganic materials 0.000 abstract 3
- 239000000440 bentonite Substances 0.000 abstract 3
- 238000001354 calcination Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a low-density ceramsite supporting agent prepared by using bauxite tailings and a preparation method for the low-density ceramsite supporting agent. The low-density ceramsite supporting agent is prepared from the following raw materials in part by weight: 100 parts of calcined bauxite tailings, 1 to 2 parts of bentonite, 1 to 2 parts of chromite and 10 to 15 parts of non-calcined bauxite tailings. The production method comprises the following steps of: calcining and smashing the calcined bauxite tailings, smashing the bentonite, the bentonite and the non-calcined bauxite tailings, adding the materials into the calcined bauxite tailings, preparing ball materials, drying, and sintering to obtain the product. According to the method, the waste bauxite tailing is used as a main raw material, and the high-quality low-density ceramsite supporting agent can be produced by performing secondary sintering and rationally adding auxiliary materials; the preparation method is simple and low in production cost; and resources can be used to the greatest extent.
Description
Technical field
The present invention relates to the propping agent, particularly a kind of low-density ceramic proppant and preparation method thereof of a kind of oil, the use of Sweet natural gas pressure break technique.
Background technology
Ceramsite propping agent is generally produced by fine aluminum alumina, can be divided into low density, middle density and high-density three types according to its density, and wherein the production difficulty of low-density ceramic proppant is larger, is mainly produced by more external companies at present.
Summary of the invention
The invention solves high, the expensive problem of low-density ceramic proppant production cost, a kind of low-density ceramic proppant and method thereof of utilizing aluminium vanadine mine tailing to prepare is provided.
The technical solution used in the present invention is:
A kind of low-density ceramic proppant, is made up of the raw material of following portions by weight: calcine 100 parts of bauxitic clay mine tailings, wilkinite 1-2 part, chromite 1-2 part, do not calcine bauxitic clay mine tailing 10-15 part.
In raw material, bauxitic clay mine tailing is the discarded slag of strip mining transformation aluminium vanadine, and mineral composition is hard fireclay and soft flame-proof clay, and its main chemical compositions is Al
2o
338-45%, SiO
235-44%, Fe
2o
3≤ 1.4%; In chromite, contain Cr
2o
3>=40%.
The present invention also provides a kind of production method of above-mentioned ceramsite propping agent, comprises step: (1) described bauxitic clay mine tailing is calcined 0.2-1.5 hour under 600-900 ℃ of temperature condition, after pulverizing, crosses 500 mesh sieves, obtains A material; (2) described wilkinite, chromite and do not calcine bauxitic clay mine tailing, crosses 500 mesh sieves after pulverizing, and take A material as base-material, wilkinite, the chromite after pulverizing and not calcine bauxitic clay mine tailing be that auxiliary material adds in base-material, obtains B material; (3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material; (4) C material is dried in dryer, make water content be less than 3%, obtain D material; (5) D is expected after sintering, obtain product, sintering temperature control is 1400-1500 ℃, and sintering time is 3-5 hour.
The present invention is take the bauxitic clay mine tailing discarded as main raw material, through double sintering, the method for rationally adding auxiliary material, produces high-quality low-density ceramic proppant, and this product is percentage of damage≤3% under the locking pressure of 52MPa, volume density≤1.65g/cm
3, volume density≤2.85g/cm
3, acid solubility < 5%, preparation method is simple, production cost is low, can realize the maximization of the utilization of resources.
Embodiment
Embodiment 1
(1) bauxitic clay mine tailing is calcined 1.5 hours under 600 ℃ of temperature condition, crossed 500 mesh sieves after Raymond mill, sieving rate is greater than 80%, obtains A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
342%, SiO
238%, Fe
2o
31.2%;
(2) take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 10kg, chromite 10kg, do not calcine bauxitic clay mine tailing raw material 100kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1430 ℃, sintering time 4.5 hours.
Embodiment 2
(1) bauxitic clay mine tailing is calcined 0.2 hour under 900 ℃ of temperature condition, after Raymond mill, cross 500 mesh sieves, and sieving rate is greater than 80%, obtain A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
345%, SiO
236%, Fe
2o
31.1%;
(2) take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 20kg, chromite 20kg, do not calcine bauxitic clay mine tailing raw material 150kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1500 ℃, sintering time 3 hours.
Embodiment 3
(1) bauxitic clay mine tailing is calcined 0.8 hour under 800 ℃ of temperature condition, after Raymond mill, cross 500 mesh sieves, and sieving rate is greater than 80%, obtain A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
340%, SiO
239%, Fe
2o
31.2%;
(2), take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 15kg, chromite 15kg, do not calcine bauxitic clay mine tailing raw material 120kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1450 ℃, and sintering time is 4 hours.
Embodiment 4
(1) bauxitic clay mine tailing is calcined 1.0 hours under 700 ℃ of temperature condition, after Raymond mill, cross 500 mesh sieves, and sieving rate is greater than 80%, obtain A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
342%, SiO
237%, Fe
2o
31.2%;
(2), take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 10kg, chromite 20kg, do not calcine bauxitic clay mine tailing 100kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material
(5) D is expected after sintering, obtain product, sintering temperature is 1480 ℃, and sintering time is 3.5 hours.
Embodiment 5
(1) bauxitic clay mine tailing is calcined 0.2 hour under 900 ℃ of temperature condition, after Raymond mill, cross 500 mesh sieves, and sieving rate is greater than 80%, obtain A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
345%, SiO
235%, Fe
2o
31.0%;
(2), take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 20kg, chromite 10kg, do not calcine bauxitic clay mine tailing 100kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1500 ℃, and sintering time is 3 hours.
Embodiment 6
(1) bauxitic clay mine tailing is calcined 1.5 hours under 600 ℃ of temperature condition, crossed 500 mesh sieves after Raymond mill, sieving rate is greater than 80%, obtains A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
338%, SiO
235%, Fe
2o
30.8%;
(2) take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 10kg, chromite 15kg, do not calcine bauxitic clay mine tailing raw material 100kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1400 ℃, sintering time 5 hours.
Embodiment 7
(1) bauxitic clay mine tailing is calcined 0.2 hour under 900 ℃ of temperature condition, crossed 500 mesh sieves after Raymond mill, sieving rate is greater than 80%, obtains A material 1000kg.The main chemical compositions of bauxitic clay mine tailing is Al
2o
345%, SiO
244%, Fe
2o
31.2%;
(2) take A material as base-material, in base-material, add following auxiliary material to obtain B material: wilkinite 10kg, chromite 10kg, do not calcine bauxitic clay mine tailing raw material 120kg, above auxiliary material is all crossed 500 mesh sieves, and sieving rate is greater than 80%;
(3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material;
(4) C material is dried in dryer, make water content be less than 3%, obtain D material;
(5) D is expected after sintering, obtain product, sintering temperature is 1500 ℃, sintering time 3 hours.
Claims (1)
1. a ceramsite propping agent, is characterized in that: the raw material by following portions by weight forms: calcine 100 parts of bauxitic clay mine tailings, wilkinite 1-2 part, chromite 1-2 part, do not calcine bauxitic clay mine tailing 10-15 part;
In raw material, bauxitic clay mine tailing is the discarded slag of strip mining transformation aluminium vanadine, and mineral composition is hard fireclay and soft flame-proof clay, and its main chemical compositions is Al
2o
338-45%, SiO
235-44%, Fe
2o
3≤ 1.4%; In chromite, contain Cr
2o
3>=40%.
The production method of described ceramsite propping agent, comprises step: (1) described bauxitic clay mine tailing is calcined 0.2-1.5 hour under 600-900 ℃ of temperature condition, after pulverizing, crosses 500 mesh sieves, and sieving rate is greater than 80%, obtains A material; (2) described wilkinite, chromite and do not calcine bauxitic clay mine tailing, crosses 500 mesh sieves after pulverizing, and sieving rate is greater than 80%; Take A material as base-material, wilkinite, the chromite after pulverizing and not calcine bauxitic clay mine tailing be that auxiliary material adds in base-material, obtains B material; (3) B is expected to continuous uniform and add nodulizer, in adition process, spray into atomized steam, make ball material and cross 18-35 mesh sieve, obtain C material; (4) C material is dried in dryer, make water content be less than 3%, obtain D material; (5) D is expected after sintering, obtain product, sintering temperature control is 1400-1500 ℃, and sintering time is 3-5 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386428.5A CN102876315B (en) | 2012-10-13 | 2012-10-13 | Low-density ceramsite supporting agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210386428.5A CN102876315B (en) | 2012-10-13 | 2012-10-13 | Low-density ceramsite supporting agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102876315A CN102876315A (en) | 2013-01-16 |
| CN102876315B true CN102876315B (en) | 2014-06-18 |
Family
ID=47477840
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|---|---|---|---|
| CN201210386428.5A Expired - Fee Related CN102876315B (en) | 2012-10-13 | 2012-10-13 | Low-density ceramsite supporting agent and preparation method thereof |
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| CN103159464B (en) * | 2013-04-16 | 2014-04-30 | 金刚新材料股份有限公司 | Method for preparing fracturing propping agent for shale gas exploitation by utilizing slag |
| CN103232250A (en) * | 2013-04-17 | 2013-08-07 | 孝义市和中兴矿产有限公司 | Method for manufacturing silicon mullite brick by adopting bauxite tailings |
| CN103555316B (en) * | 2013-10-29 | 2016-07-13 | 孝义市鑫腾矿业有限公司 | A kind of shale oil-gas mining pressure break ceramsite propping agent and manufacture method thereof |
| CN103666442B (en) * | 2013-12-13 | 2016-06-22 | 淄博嘉丰矿业有限公司 | Low-density high-intensity ceramsite proppant and preparation method thereof |
| CN103897687B (en) * | 2014-03-25 | 2017-02-08 | 渑池德惠石油支撑剂有限公司 | Low-cost ceramic propping agent and preparation method thereof |
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| CN107011886B (en) * | 2017-04-10 | 2019-09-13 | 中国铝业股份有限公司 | A kind of method that mineral processing tailing of bauxite prepares ceramsite propping agent |
| CN107188538A (en) * | 2017-07-19 | 2017-09-22 | 河南郑耐新材料有限公司 | Low-density petroleum fracturing propping agent and preparation method thereof |
| CN109652055B (en) * | 2018-12-29 | 2021-05-04 | 陕西科技大学 | Complex ceramsite oil fracturing proppant containing pseudosapphire crystal and preparation method thereof |
| CN110183206A (en) * | 2019-04-29 | 2019-08-30 | 柳州柳晶环保科技有限公司 | Ceramsite sand is used in a kind of casting |
| CN112028603A (en) * | 2020-08-24 | 2020-12-04 | 垣曲县刚玉陶粒有限责任公司 | Method for manufacturing multifunctional ceramsite sand by using bauxite tailings |
| CN112375559A (en) * | 2020-10-23 | 2021-02-19 | 吴途鸿 | Ceramsite proppant prepared from low-grade bauxite and preparation method thereof |
| CN112624790A (en) * | 2021-02-02 | 2021-04-09 | 河南郑矿机器有限公司 | Ceramsite prepared from coal gangue and preparation method thereof |
| CN112939583B (en) * | 2021-02-22 | 2023-01-31 | 山东奥福环保科技股份有限公司 | RTO honeycomb ceramic heat accumulator prepared from bauxite tailings and preparation method thereof |
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