Return system

A technology of returning materials and feeding legs, which is applied in the field of gasification, can solve the problems of uncontrollable heating up and discharging capacity, and achieve the problems of uncontrollable heating up and discharging capacity, easy temperature rise, and improved control strength and feeding capacity The effect of control

Active Publication Date: 2021-06-04
ENN SCI & TECH DEV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of this, the present invention proposes a material return system, which aims to solve the problem in the prior art that the cyclone return system controls the material leg through the wing valve, which easily leads to uncontrollable heating and discharge capacity.

Method used

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Embodiment Construction

[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] see figure 1 and figure 2 , the figure shows the preferred structure of the return system provided by the embodiment of the present invention. As s...

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Abstract

The invention provides a material return system, which includes: a cyclone separator, a material leg, a conveying pipe, a casing, a wing plate and a driving mechanism; wherein, the solid outlet of the cyclone separator is connected to the first end of the material leg ; The top of the casing is provided with a solid inlet, the second end of the material leg is penetrated through the solid inlet and placed in the casing, the wing plate is arranged in the casing and is movably covered on the end of the second end of the material leg, and the driving The mechanism is arranged on the casing and connected with the flap, and the driving mechanism is used to drive the flap to move to block or open the end of the second end of the dipleg; the bottom of the casing is provided with a solid outlet, and the solid outlet is used for connecting with the delivery pipe through the delivery pipe. connected to the gasifier. In the present invention, the driving mechanism drives the flap to move to block or open the second end of the material leg, which facilitates the control of the semi-coke transportation in the material leg and the temperature rise of the material leg, improves the control of the control strength and the ability to return materials, and ensures The feeding system can stably feed back into the gasifier.

Description

technical field [0001] The invention relates to the technical field of gasification, in particular to a material return system. Background technique [0002] The cyclone separator is a dry gas-solid separation device that uses the centrifugal force generated by the high-speed rotation of the airflow to separate the dust from the airflow. The cyclone separator is widely used in industrial production because of its simple structure, stable operation, convenient use and maintenance, and it is not limited by the concentration, temperature, and physical properties of dusty gas, and its cost is low. [0003] Coal hydrogasification is a process in which pulverized coal reacts with high-temperature and high-pressure hydrogen for hydrocracking and hydrogasification to generate methane-rich gas and by-product light coal tar and semi-coke. Part of the semi-coke produced by gasification falls directly into the bottom of the gasifier, and the other part enters the cyclone separator alon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10J3/56
CPCC10J3/56C10J2300/1807
Inventor 刘明周三马志超聂永广方科学孙中卫
Owner ENN SCI & TECH DEV
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