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Oil sand calcining device and an oil sand calcining process

A roasting device and roasting process technology, applied in the fields of building materials and energy, can solve the problems of high operating cost and high experimental requirements, and achieve the effects of improving waste heat recovery rate, low investment and stable operation

Active Publication Date: 2014-12-03
SHANDONG TIANLI DRYING TECH & EQUIP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method realizes the lightening of heavy components in oil sands, but requires high experimental requirements and high operating costs

Method used

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  • Oil sand calcining device and an oil sand calcining process

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0028] Such as figure 1 As shown, an oil sand roasting device includes: rotary dryer 6, cyclone dust collector 1 7, cyclone dust collector 2 20, bag filter 9, screw conveyor 1 12, screw conveyor 2 25, drying induced draft fan 14 , burner 1, burner combustion-supporting fan 2, hot blast stove 3, feeder 15, roasting kiln 16, combustion-supporting fan 17, air preheater 19, cyclone lower closing air device one 8, cyclone lower closing air device two 21, Self-cleaning air locker 13, finished product air locker 18, shell and tube condenser 22, absorption tower 23 and system induced draft fan 24.

[0029] The tail gas outlet port of the rotary dryer 6 is sequentially connected with the cyclone dust collector-7, the bag filter 9 and the drying induced draft fan 14, and the material outlet port of the rotary dryer 6 is connected with the self-cleaning air shuto...

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Abstract

The invention discloses an oil sand calcining device and an oil sand calcining process. The oil sand calcining device comprises a rotary dryer, a cyclone dust collector I, a cyclone dust collector II, a bag-type dust collector, a spiral conveyer I, a spiral conveyer II, a drying induced fan, a combustor, a combustor combustion fan, a hot-blast furnace, a feeding machine, a calcining kiln, a combustion fan, an air preheater, a shell and tube condenser, an absorbing tower and a system induced fan. A system which adopts the process has the advantages of continuity in operation, stability in operation, high heat efficiency and convenience for operation, can realize the automatic control, is suitable for larger-scale production, is reduced in occupied area and low in investment and operation and maintenance cost and successfully solves the problem of wall adhesion of oil sand. According to the oil sand calcining device and the oil sand calcining process disclosed by the invention, a calcined product is more incompact and can meet the requirements of building materials; the waste heat recovery rate of the system is greatly increased, and the energy is saved.

Description

technical field [0001] The invention belongs to the field of building materials and energy, and in particular relates to an oil sand roasting device and a process thereof. Background technique [0002] Oil sands are sandstones or other rocks that contain natural bitumen, usually composed of sand, bitumen, minerals, clay and water. At present, there are three main methods for separating oil sands: hot water washing, solvent extraction and pyrolysis and dry distillation. [0003] (1) The hot water washing method is mainly to change the wettability of the oil sand surface through the action of hot alkali or surfactant, making it more hydrophilic, and then separating the sand and bitumen. Although this method is simple to operate, its applicability is narrow. [0004] (2) The principle of the solvent extraction method is the principle of similar compatibility of substances. This method uses an organic solvent to contact the oil sand to separate the dissolved asphalt oil from t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10G1/00
Inventor 蔡连国陈龙行黄帆葛长城刘法鑫
Owner SHANDONG TIANLI DRYING TECH & EQUIP
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