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Spiral exhaust type continuous feeding device and method for thermal cracking of waste tires

A technology for waste tires and feeding devices, which is applied in the directions of transportation and packaging, loading/unloading, and special dry distillation. Improve material work efficiency, ensure safety and environmental protection, and ensure the effect of sealing

Active Publication Date: 2020-04-24
QINGDAO EXCEL INTELLIGENT EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method requires a high-power drive motor to achieve good sealing performance, which consumes a large amount of electric energy; in addition, the sealing effect is significantly affected by the feeding speed. When the feeding amount is reduced, the sealing performance will deteriorate, posing safety hazards

Method used

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  • Spiral exhaust type continuous feeding device and method for thermal cracking of waste tires
  • Spiral exhaust type continuous feeding device and method for thermal cracking of waste tires
  • Spiral exhaust type continuous feeding device and method for thermal cracking of waste tires

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Embodiment

[0033] Such as figure 1 As shown, the embodiment of the present invention provides a continuous feeding device for pyrolysis of waste tires, which includes a distributing screw conveyor 1, a first screw exhaust conveyor 2 and a feeding screw conveyor 3 connected in sequence. The feed screw conveyor 1 is provided with a first feed port 11 and a first discharge port 12, and the feed screw conveyor 3 is provided with a third discharge port 31 communicated with the thermal cracking reactor 10; The first discharge port 12 of the distribution screw conveyor 1 communicates with the feed end of the first screw exhaust conveyor 2, and there is a seal between the two for sealing the first screw exhaust conveyor 2. The first gate valve 4 at the feed end, the discharge end of the first screw exhaust conveyor 2 is communicated with the feed end of the feed screw conveyor 3, and a device for sealing the first screw conveyor is arranged between the two. A second slide valve 5 at the dischar...

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Abstract

The invention provides a spiral exhaust continuous feeding device and method for thermal cracking of waste tires. The continuous feeding device comprises a sub-feed screw conveyor, a first spiral exhaust conveyor and a feeding screw conveyor which are sequentially connected, a first feeding port and a first discharging port are formed in the sub-feed screw conveyor, a third discharging port communicated with a thermal cracking reactor is formed in the feeding screw conveyor, and the discharge end and the feed end of the first spiral exhaust conveyor are respectively provided with a first plugvalve and a second plug valve for sealing the first spiral exhaust conveyor. According to the continuous feeding device and the method, the sealing between the continuous feeding device and the thermal cracking reactor is achieved, compared with the sealing by pressing and crushing tires, the safety and environmental protection of thermal cracking are ensured, oxygen in the air can be effectivelyprevented from entering the reactor or high temperature oil and gas in the reactor can be effectively prevented from being leaked into the air.

Description

technical field [0001] The invention belongs to the technical field of recycling and processing of waste tires, in particular to a spiral exhaust type continuous feeding device and method for pyrolysis of waste tires. Background technique [0002] The thermal cracking technology of waste tires is to crack the rubber components in waste tires into oil and non-condensable gas (the main components are combustible gases such as methane and hydrogen) by heating under the condition of anaerobic or hypoxic conditions, and also obtain tire manufacturing Other materials added by the process - carbon black and steel wire. The cracked oil can be refined into high calorific value fuel, the pyrolyzed carbon black and steel wire can also be recycled, and the non-condensable gas is returned to combustion to provide heat source for the pyrolysis reaction. [0003] At present, there are two main methods of pyrolysis of waste tires: whole tire type and continuous type. Whole-tire waste tire...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/46C10B53/07C10B57/00C10G1/10
CPCC10B53/07C10B57/00C10G1/10Y02P20/143
Inventor 邢济尧赵超刘耀强崔建曾现琛胡家琨
Owner QINGDAO EXCEL INTELLIGENT EQUIP CO LTD
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