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Conveying equipment special for lignite high-temperature pyrolysis semi-coke, conveying method and application

A technology of high-temperature pyrolysis and conveying equipment, applied in the direction of conveyors, conveyor objects, conveyor control devices, etc., to achieve the effects of promoting rotation, good sealing, and avoiding wear

Pending Publication Date: 2018-01-19
HUBEI TIANYI MACHINERY CO LTD
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Problems solved by technology

Existing equipment cannot meet this requirement

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  • Conveying equipment special for lignite high-temperature pyrolysis semi-coke, conveying method and application
  • Conveying equipment special for lignite high-temperature pyrolysis semi-coke, conveying method and application
  • Conveying equipment special for lignite high-temperature pyrolysis semi-coke, conveying method and application

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Embodiment Construction

[0040] like figure 1 As shown in the figure, a special conveying equipment for lignite high-temperature pyrolysis semi-coke includes a box-sealed tail 1, a middle section 2, an air-tight head 3, outriggers 4, a scraper chain, a driving device 15, and an independent external bearing. The seat support 16, the feeding port 17.

[0041] Since the temperature of high temperature pyrolysis of lignite is as high as about 600 °C to about 900 °C, the temperature of semi-coke after pyrolysis is generally 800 °C, and the highest is 850 °C. Considering the high temperature expansion coefficient and high temperature mechanical strength of the selected material and the high temperature weld strength after welding between different materials.

[0042] like Figures 1 to 2 As shown, in order to solve the high temperature expansion problem of the buried scraper conveyor, a high temperature resistant expansion joint 19 is firstly arranged between the pyrolysis furnace and the conveyor, thereb...

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Abstract

The invention discloses conveying equipment special for lignite high-temperature pyrolysis semi-coke, a conveying method and application. The conveying equipment special for the lignite high-temperature pyrolysis semi-coke mainly comprises an embedded scraper transporter which comprises a box body sealed tail part, a middle section, an airtight head part, a supporting leg and a conveying chain. According to the conveying equipment special for the lignite high-temperature pyrolysis semi-coke, the conveying method and the application provided by the invention, the problem of insufficient high-temperature strength is solved by performing static sealing and dynamic sealing treatment on the conventional embedded scraper transporter and additionally improving the equipment, so that the conveyingof a lignite high-temperature pyrolysis semi-coke product can be met.

Description

technical field [0001] The invention relates to the application field of lignite, in particular to a special conveying device, conveying method and application for high-temperature pyrolysis semi-coke of lignite. Background technique [0002] High-temperature semi-coke, the product of high-temperature pyrolysis of lignite, is used in fluidized bed boilers for power generation. This process is the first application in China. During the process, high-temperature semi-coke contains a small amount of coal tar, coal gas and carbon monoxide gas. The temperature is up to 900 °C, and it is in contact with air. Immediately burn. In the bulk material conveying equipment industry, there is currently no application precedent for conveying such high temperature and high sealing requirements. [0003] Semi-coke, also known as blue carbon and coke powder, has a block-like structure, the particle size is generally above 3mm, and the color is light black. Semi-coke has the characteristics ...

Claims

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Application Information

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IPC IPC(8): B65G19/28B65G21/08B65G21/00B65G43/02
Inventor 黄俊杰万厚兵向华兴
Owner HUBEI TIANYI MACHINERY CO LTD
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