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Spouting furnace system for semicoke destructive distillation of oil shale or shale semicoke and destructive distillation method thereof

An oil shale and eruption technology, which is applied in coking ovens, special forms of dry distillation, and the petroleum industry, can solve problems such as low efficiency, low oil yield, and low thermal efficiency, so as to reduce residual volume, increase oil yield, The effect of high dry distillation efficiency

Active Publication Date: 2021-10-22
润鑫杭州新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 2. The vertical cylindrical furnace body structure makes it impossible to scale up and increase the output of a single machine
[0005] 3. Due to the non-uniform diameter of oil shale particles, the resistance encountered by hot air is different, so the distribution of hot air cannot be balanced, resulting in low oil yield. Most of the macromolecular oil, heavy oil paraffin, etc. Uniform precipitation
[0006] 4. The organic residues in the formed shale semi-coke are relatively high, and the discharged oil shale semi-coke seriously pollutes the environment
[0008] 1. The large difference in particle diameter leads to different heating progress of shale, and the particles release gas from the outside to the inside. The timing of shale oil and heavy oil is inconsistent. Some have already been released, and some are still being released, but they have to be released simultaneously heating
Inefficiency in heating already oil-free pellets
[0009] 2. Indirect heating of solid heat carrier, low thermal efficiency
Not only the utilization rate of oil shale raw ore is low, but also the oil yield rate is low during processing, and the utilization rate of calorific value (low heat exchange efficiency)

Method used

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  • Spouting furnace system for semicoke destructive distillation of oil shale or shale semicoke and destructive distillation method thereof
  • Spouting furnace system for semicoke destructive distillation of oil shale or shale semicoke and destructive distillation method thereof
  • Spouting furnace system for semicoke destructive distillation of oil shale or shale semicoke and destructive distillation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] like Figures 1 to 3 The shown one kind of effervescent furnace system for oil shale or shale semi-coke dry distillation, which includes a effervescent furnace and a cyclone dust collector (3, 4), and the effervescent furnace includes a bottom-to-top pass through a lower neck 21 1. A furnace unit 2 composed of a truncated conical shell 22 and a cylindrical shell 23, wherein the lower neck 21 is connected to the small diameter round port of the truncated conical shell 22, and the cylindrical shell 23 is connected to the large diameter of the truncated conical shell 22 Round ports, the efflux furnace is composed of one to four furnace units 2, and the furnace units 2 are connected by conical shells 24, and the small diameter circles of the conical shells 24 are connected to the lower constriction. At the mouth 21, the large diameter circle of the conical shell 24 is connected to the port of the column shell 23, and the furnace body unit 2 at the bottom of the column shell...

Embodiment 2

[0060] combine Figure 4 to Figure 6 As shown, in the present embodiment, the material spreading box 5 includes a pair of semi-annular material spreading boxes 51 arranged symmetrically and with openings at both ends, and the semi-annular material spreading boxes 51 are all adapted to the shape of the material inlet 25. "匸"-shaped feed inlet 52, and two "匸"-shaped feed inlets 52 are closely connected, and the semi-annular spreading box 51 has a semi-annular chamber, and along the semi-annular chamber to A conical spreading chamber 53 with the same slope as the conical shell 22 is extended downward, and a dividing plate 54 with a feeding hole 55 is arranged between the semi-annular chamber and the conical spreading chamber 53, and The partition 54 is laid with a semi-annular baffle 56 with the same area and opening specifications, and the feed port 52 is provided with a driving rod 57, and the end of the driving rod 57 is connected to the partition nearby by rotation. 54, the ...

Embodiment 3

[0065] The difference from the above-mentioned Example 1 is that in this example, the shale semi-coke after carbonization of oil shale is repeated the above-mentioned dry distillation method: S1: First, the shale semi-coke is crushed and sent to a mill for grinding, Grind until the particles with a particle diameter of less than 1 mm account for more than 90%. The grinding methods include but are not limited to a closed-circuit grinding system matched with a tube mill and a powder separator, and a roller grinding system with a powder separator. The wind used in the process is hot air at 180-250°C to dehydrate the materials in the grinding process;

[0066] S2: The kiln exhaust gas is introduced into the furnace body from the lower neck 21 of the furnace body unit 2 at the bottom of the effervescent furnace, and the material obtained from the above S1 is sprinkled into the furnace body from the feeding port, and the oil and gas above the effervescent furnace is turned on Outlet...

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Abstract

The invention discloses a spouting furnace system for semicoke destructive distillation of oil shale or shale. The spouting furnace system comprises a spouting furnace and a cyclone dust collector, the spouting furnace comprises a furnace body unit composed of a lower necking opening, a circular truncated cone-shaped conical shell and a cylindrical shell from bottom to top, the spouting furnace is formed by combining one to four furnace body units, a feeding port is formed in the bottom of a cylindrical shell of the lowermost furnace body unit of the spouting furnace, a hot air inlet is further communicated with a lower necking opening of the lowermost furnace body unit, and an oil gas outlet is formed in a connector in the top of a cylindrical shell of the uppermost furnace body unit of the spouting furnace; and the spouting furnace further comprises the cyclone dust collector, a gas inlet of the cyclone dust collector is communicated with an oil gas outlet of the spouting furnace, and the primary cyclone dust collector comprises a conical outlet. According to the invention, the oil shale particles are circulated in the spouting furnace for heat exchange by using the spouting furnace until shale oil and shale gas are completely released, so that the oil yield is improved, and meanwhile, the pollution of destructive distillation products and the pollution to the environment in the destructive distillation process are reduced.

Description

technical field [0001] The invention relates to the technical field of dry distillation and gasification, in particular to a effervescent furnace system for dry distillation of oil shale or shale semi-coke and a dry distillation method thereof. Background technique [0002] Oil shale is mainly shale, which contains oil resources. my country is rich in oil shale resources. The proven reserves of oil shale exceed 700 billion tons, and 47.6 billion tons of shale oil can be extracted. The techniques for extracting shale oil from oil shale include underground in-situ extraction and above-ground extraction. Underground in-situ mining is also an underground dry distillation technology, which is mainly carried out by American companies in the United States. It directly heats underground oil shale through technologies such as electric heating, fluid heating, and radiation heating. This technology is firstly because some organic matter cannot be completely separated and collected fro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/06
CPCC10B53/06
Inventor 李世旭王铭
Owner 润鑫杭州新材料科技有限公司
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