Complete alternation gas retort for treating 300 tons of wax shale mash gas a day
A gas full cycle, oil shale technology, applied in the petroleum industry, special forms of dry distillation, coke ovens, etc. The effect of life and continuous working time, reduction of construction investment, and reduction of floor space
Active Publication Date: 2010-05-12
辽宁成大能源科技有限公司
View PDF2 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to solve the problems of small daily processing capacity, large floor area, low oil recovery rate, environmental pollution, semi-coke not being effectively utilized, and expensive imported equipment in current domestic oil shale retorting refineries, and to provide a Large daily processing capacity, high oil recovery and environmentally friendly oil shale dry distillation process
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0013] The scheme adopted in the present invention is that the circulating gas enters from the middle of the furnace, the oil shale is input from the furnace, and a herringbone plate is arranged in the furnace to make the flow of gas and the whereabouts of materials uniform. A flower wall and a cooling water jacket are provided under the furnace to reduce the temperature of the semi-coke after dry distillation to below 250°C. The lower part is equipped with a water seal and a scraper conveyor to discharge the semi-coke out of the furnace. The oil and gas produced by dry distillation are discharged out of the furnace through the gas collecting pipe at the upper part of the furnace along with the circulating gas, and then enter the oil-water separation system.
[0014] The main points of the specific embodiment of the present invention: one is to ensure that the temperature of the retort section in the furnace is stable at about 550°C, neither too high nor too low, if it is too ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses equipment for carrying out carbonization on oil shale by utilizing gas as a heat carrier under the state of full circulation, which is suitable for processing the oil shale of6 to 50mm; the daily processing capacity of the equipment is 300 tons and the oil yield is more than 90 percent. No gas engine is arranged in a carbonization furnace and no gas enters the carbonization furnace; all the heat needed by carbonization can be completely supplied by circulation gas. The oil shale through pre-heating carbonization enters the carbonization furnace from the upper part. A cloth tracery wall and a gas distribution structure the sizes of which are corresponding to that of the grains of the oil shale are arranged in the carbonization furnace. The thermal circulation gas of700 DEG C is evenly and continuously fed into the middle part of the carbonization furnace. The cold circulation gas enters the carbonization furnace from the lower part to cool the semi-cokes aftercarbonization to 250 DEG C and the semi-cokes are discharged into a water-sealed semi-coke pool to be cooled to 80 DEG C and discharged outside the furnace by a drawing template. The highest temperature in the carbonization furnace is controlled below 550 DEG C, thus not only ensuring the complete carbonization of the oil shale, but also avoiding the problems like over-heating and caking.
Description
Technical field [0001] The invention relates to a technology for dry distillation of oil shale under the state of full circulation of gas by using gas as heat carrier. It is suitable for processing 6-50mm oil shale, with a daily processing capacity of 300 tons. The oil yield is above 90%. There is no internal combustion device in the carbonization furnace, no air enters, and all the heat required for carbonization is supplied by circulating gas. Background technique [0002] At present, the domestic oil shale dry distillation refining method, one is the Fushun type circular furnace, which is semi-internal combustion, semi-circulation, with a large amount of water vapor and air entering, the oil recovery rate is 60-65%, and the processing particle size is 12-75mm. The processing capacity of a single furnace is 100 tons. A Maoming square furnace is a full internal combustion type, with air entering, the oil recovery rate is about 70%, and the treatment particle size is 30-1...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/06
Inventor 吴启成王志奉曹庆喜王鸿治孙朝辉姚桃清刘明伦
Owner 辽宁成大能源科技有限公司