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Fused salt-oily sludge thermochemical conversion fluidized bed reactor, system and application of molten salt-oily sludge thermochemical conversion fluidized bed reactor

A fluidized bed reactor, thermochemical conversion technology, applied in chemical instruments and methods, pyrolysis treatment of sludge, chemical/physical processes, etc., can solve the problem of heat carrier cannot be recycled, secondary pollution, large energy loss, etc. problem, to achieve the effect of lower temperature, high-efficiency pyrolysis, no flow and heat loss

Active Publication Date: 2022-04-29
NORTHEAST GASOLINEEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem solved by the present invention is the oily sludge incineration treatment technology, oily sludge chemical heat washing treatment technology and oily sludge pyrolysis method in the prior art In the treatment technology, the heat carrier cannot be recycled, the energy loss is large, and the secondary pollution is formed. A molten salt-oily sludge thermochemical conversion fluidized bed reactor is provided. The molten salt is used as the heat carrier for recycling, and the fluidized bed pyrolysis reactor

Method used

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  • Fused salt-oily sludge thermochemical conversion fluidized bed reactor, system and application of molten salt-oily sludge thermochemical conversion fluidized bed reactor

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Embodiment 1

[0042] like figure 1 As shown, embodiment 1 proposes a molten salt-oily sludge thermochemical conversion fluidized bed reactor, including a first chamber 100 and a second chamber 200, and the first chamber 100 and the second chamber 200 Connected through the channel structure.

[0043] A reaction device 110 and a first cooling chamber 120 are disposed in the first chamber 100 .

[0044] The second cooling chamber 130 and the condensation chamber 140 are disposed in the second chamber 200 .

[0045] The reaction device 110, the first cooling chamber 120, the second cooling chamber 130 and the condensation chamber 140 are connected in sequence.

[0046] The reaction device 110 is provided with a reaction chamber 111 , an oily sludge feeding device 112 , a high temperature molten salt chamber 113 , a molten salt circulation device 114 , a first discharge port 115 and a second discharge port 116 .

[0047] Wherein, the oily sludge feeding device 112 communicates with the reacti...

Embodiment 2

[0067] Embodiment 2 proposes utilizing the device of embodiment 1 to carry out the method for molten salt-oily sludge thermochemical conversion reaction, comprises the following steps:

[0068] (1) Pass the high-temperature molten salt with a temperature of 580°C in the high-temperature molten salt chamber 113 into the reaction chamber 111, and feed the oily sludge into the reaction chamber 111 through the oily sludge feeding device 112 under an oxygen-free environment, 600 The pyrolysis reaction is carried out at a temperature of ℃ to obtain pyrolysis gas and sludge particles. The sludge particles are discharged through the first discharge port 115 and the second discharge port 116 respectively, and the pyrolysis gas is passed into the first cooling chamber 120. After the reaction The molten salt flows back to the high-temperature molten salt chamber 113 through the molten salt circulation device 114 . Among them, the working temperature of the oily sludge feeding device is 5...

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Abstract

The invention discloses a molten salt-oily sludge thermochemical conversion fluidized bed reactor which comprises a first chamber and a second chamber, the first chamber is communicated with the second chamber through a channel structure, and a reaction device and a first cooling chamber are arranged in the first chamber; a second cooling chamber and a condensation chamber are arranged in the second chamber, and the reaction device, the first cooling chamber, the second cooling chamber and the condensation chamber are sequentially communicated. According to the molten salt-oily sludge thermochemical conversion fluidized bed reactor, molten salt is used as a heat carrier for cyclic utilization, and a fluidized bed is a pyrolysis reactor. Heavy oil in the oil sludge is converted into light oil through cracking in a high-temperature environment, and then the light oil is condensed and recycled.

Description

technical field [0001] The invention belongs to the technical field of resource utilization of waste, oil field surface gathering and transportation, and environmental treatment, and specifically relates to a molten salt-oily sludge thermochemical conversion method, a fluidized bed reactor and its application. Background technique [0002] Oily sludge is one of the main pollutants in the petroleum industry. Its sources include tank bottom sludge, sludge from sewage treatment, ground oil, and oily sludge from emergencies. The composition is complex. Crude oil will produce a large amount of sludge during the extraction and subsequent treatment and processing stages: (1) A large amount of sludge will be produced when crude oil is processed in the storage tank during the gathering, transportation and processing process; (2) In the process of oil field development, oil testing Landed oil sludge is produced during workover operations, etc., and is mixed with soil, sand, water and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/10C10G1/00B01J8/18
CPCC02F11/10C10G1/00B01J8/1836B01J8/1872Y02W10/40
Inventor 王淑彦邵宝力谢磊田瑞超袁子涵李好婷
Owner NORTHEAST GASOLINEEUM UNIV
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