A device, method and application for condensing and recovering pyrolysis gas

A technology of condensation recovery and pyrolysis gas, which is applied in separation methods, chemical instruments and methods, steam condensation, etc., and can solve the problems of poor heat transfer performance on the oil and gas side

Active Publication Date: 2021-02-19
国宏中晶集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned problems in the recovery of pyrolysis gas existing in the prior art, and to provide a device for condensing and recovering pyrolysis gas and its recovery method and application. The device and method of the present invention can comprehensively Effectively solve the problems of solid particle separation, wall-hanging or plugging of heat exchange tubes, and poor heat transfer performance on the oil-gas side, and realize efficient condensation of pyrolysis gas and classified condensation recovery

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  • A device, method and application for condensing and recovering pyrolysis gas
  • A device, method and application for condensing and recovering pyrolysis gas
  • A device, method and application for condensing and recovering pyrolysis gas

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Embodiment Construction

[0068] Specific embodiments of the present invention will be described in detail below. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0069] Such as figure 1 As shown, the first aspect of the present invention provides a device for condensing and recovering pyrolysis gas, which includes a pre-separator 1, a falling film mixed cooling heat exchanger 2, a first partition heat exchanger 3, a second Two wall heat exchangers 4, reheaters 5 and gas cabinets 7;

[0070] The bottom of the falling film mixed cooling heat exchanger 2 is connected with the first separator 8, the first oil tank 9, the first reboiler 11, the first buffer tank 14 and the first oil tank 16 in sequence, and the first reboiler The gas phase outlet of the boiler 11 is connected with the first partition heat exchanger 3;

[0071] The bottom of the first partitioned wall ...

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Abstract

The invention relates to the field of pyrolysis solid waste and hazardous waste recycling, and discloses a device for condensing and recovering pyrolysis gas. The device includes a pre-separator connected in sequence, a falling film mixed cooling heat heat exchanger, second partition wall heat exchanger, reheater and gas cabinet; the bottom of the falling film mixed cooling heat exchanger is connected with the first separator, the first oil tank and the first reboiler; the first partition wall exchanger The bottom of the heater is connected with a second separator and a second oil tank in turn, and the second oil tank is further connected with the first reboiler, the falling film mixed cooling heat exchanger and the second oil tank respectively; The bottom of the heater is sequentially connected with a third separator, a third oil tank and a third reboiler; the reheater is further connected with the third oil tank; and the device also includes a third heat exchanger. The use of this device can comprehensively and effectively solve the problems of solid particle separation, wall hanging or plugging of heat exchange tubes, and poor heat transfer performance on the oil and gas side, and realize efficient condensation of cracked gas and classified condensation recovery.

Description

technical field [0001] The invention relates to the field of resource recovery and utilization of solid waste and hazardous waste by pyrolysis, in particular to a device for condensing and recovering pyrolysis gas generated after solid waste and hazardous waste are subjected to pyrolysis treatment and using the device for condensing and recovering Method of pyrolysis gas and application of the method in solid waste recovery. Background technique [0002] Solid waste is rich in mineral resources. Through the recycling of solid waste, it can not only realize the reduction, harmlessness and environmental protection of solid waste, but also obtain pyrolysis products with certain value. produce significant economic benefits. For example, for all kinds of waste or hazardous waste such as waste rubber products, waste plastic products, waste tires, and oil sludge, pyrolysis technology can be used to produce pyrolysis gas, part of which is recovered by condensation, and the other pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D5/00
CPCB01D5/0051B01D5/0054B01D5/006
Inventor 张斌李成张岩刘波林红邓少奎
Owner 国宏中晶集团有限公司
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