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System and method for producing fracturing propping agent by taking red mud as raw material

A fracturing proppant and production system technology, applied in the field of new materials and artificial proppant production, to achieve the effects of reducing production costs, easy adjustment, and low manufacturing costs

Active Publication Date: 2014-12-10
JINGANG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This process is expected to solve the negative impact of raw material fluctuations on the production and quality of proppant, and the obtained proppant can be used directly or after further strengthening treatment

Method used

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  • System and method for producing fracturing propping agent by taking red mud as raw material
  • System and method for producing fracturing propping agent by taking red mud as raw material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1 Using pure red mud raw material

[0040] Such as figure 1 , figure 2 As shown, a production system of fracturing proppant using red mud as raw material includes feeder 1, high temperature furnace 2, channel 3, high pressure gas pipeline 4, spinner 5, frequency modulation motor 6, blanking bin 7, and One metal slide pipe 8, heat preservation channel 9, second metal slide pipe 10, tempering furnace 11, outer cover 12, third metal slide pipe 14, screening equipment 15, electronic scale 16, packaging bag 17, first flashboard 18, The fourth metal chute 19, nozzle 20, grid plate 21, discharge opening 22, second flashboard 23, cooling air 24, heat-resistant steel plate 25, heat-resistant steel pipe or steel bar 26. The feeder 1 is connected to the high-temperature furnace 2, and the high-temperature furnace 2 outputs the melt through the first channel 31, and the melt flows to the front end of the channel 31, and flows down to the front of the high-pressure gas no...

Embodiment 2

[0056] Example 2 pure red mud

[0057] Red mud treatment:

[0058] Test parameters: Dry the red mud at 120° for 12 hours, put the red mud into a continuous ball mill, the size of the ball mill is 2.4 m × 9m, and 54 tons of steel balls are installed in the mill, and it is continuously air-selected through a 30-mesh sieve.

[0059] (1) Ingredients: pure red mud

[0060] The mass component of the red mud is: SiO 2 12.93, Al 2 o 3 14.90, Fe 2 o 3 21.92,TiO 2 11.52, CaO0.61, MgO1.11, Na 2 O 2.70, the rest are loss on ignition and trace components.

[0061] (2) High temperature melting: 1550°2h;

[0062] (3) Spinning to forming: the speed is 1400-1900rpm, and the qualified sample 20-40 mesh accounts for more than 80% in the production as the basis for speed adjustment; the particle size of the collected samples is 20-70 mesh.

[0063] The collected samples are 20-70 mesh, which can be used instead of quartz sand proppant.

Embodiment 3

[0064] Example 3 red mud

[0065] The mass component of the red mud is: SiO 2 44.79 Al 2 o 3 11.16 Fe 2 o 3 17.51 ​​TiO 2 2.04 CaO 0.78 MgO 0.06 Na 2 O 1.59. All the other refer to embodiment 1 or embodiment 2.

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Abstract

The invention discloses a system and a method for producing a fracturing propping agent by taking red mud as a raw material. The system comprises a charging machine, a high temperature furnace, a swing-out device, a blanking bin, a tempering furnace and screening equipment, wherein the high temperature furnace is connected with the blanking bin or the swing-out device; dosing is performed by taking inorganic solid wastes as raw materials; and the product is prepared by performing high-temperature melting in the high temperature furnace and molding in a molding device. The method comprises the following steps: (1) dosing, namely mixing pure red mud or red mud with one or more of fluorite, silica sand, potassium (or sodium) feldspar and dolomite; (2) mixing and performing wet grinding, namely mixing and performing wet grinding on the prepared materials; (3) drying and granulating; (4) melting the granulated materials in the high temperature furnace; (5) molding the granulated materials into propping agent granules by utilizing the molding device; and (6) screening, weighing and packaging the propping agent granules by virtue of the screening equipment. The system and the method are high in product yield, high in production efficiency and low in cost.

Description

technical field [0001] The invention relates to the technical field of artificial proppant production, in particular to a fracturing proppant production system and production method using red mud as a raw material, and belongs to the technical field of new materials. Background technique [0002] Fracturing proppants are used in the exploitation of oil and natural gas, and are one of the important means to achieve high and stable production and prolong the life of oil and gas wells in oil and gas exploitation at the present stage. Fracturing proppants fall into two main categories. One is a natural material represented by silica sand, and the other is an artificial spherical proppant represented by ceramsite. Natural proppant materials such as silica sand are taken from nature and used directly or after coating. Ceramsite proppant is currently used in a large amount in the market. It has high strength, high sphericity, and its performance is obviously better than natural q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/653B09B3/00
Inventor 赵友谊曾华生刘世权叶重楠王晋槐董雪
Owner JINGANG NEW MATERIALS
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