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A kind of dry slag conveying equipment and multi-stage dry slag conveying equipment adopting the slag conveying equipment

A technology of slag conveying and equipment, which is applied in the field of multi-stage dry slag conveying equipment, can solve the problems of reducing ash discharge efficiency and poor ash discharge at the bottom of the box, and achieve the effect of improving ash discharge efficiency

Active Publication Date: 2017-11-17
BEIJING GUODIAN FUTONG SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will also lead to poor ash discharge at the bottom of the box, thereby greatly reducing the ash discharge efficiency

Method used

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  • A kind of dry slag conveying equipment and multi-stage dry slag conveying equipment adopting the slag conveying equipment
  • A kind of dry slag conveying equipment and multi-stage dry slag conveying equipment adopting the slag conveying equipment
  • A kind of dry slag conveying equipment and multi-stage dry slag conveying equipment adopting the slag conveying equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, a dry slag conveying device in this embodiment includes a slag carrying box 1, and the slag carrying box 1 includes a slag collecting section 11 and a slag conveying section 12 sealedly connected with the slag collecting section 11, The slag collecting section 11 is a horizontal section, and the slag conveying section 12 is an inclined section connected to the horizontal section and extending upward. The slag collecting section 11 collects and transports slag to the slag conveying section 12, and then The slag is discharged from the slag carrying box 1 through the slag conveying section 12; the dry slag conveying equipment of this embodiment also includes a slag inlet 2 arranged at the slag collecting section 11, and the slag inlet 2 is connected to the bottom of the boiler The slag outlet 3 of the slag well is sealed and connected, and the slag well is in a negative pressure state so that the inside of the slag carrying box 1 forms an air flo...

Embodiment 2

[0036] This embodiment provides a multi-stage dry slag conveying equipment, including at least two stages of slag conveying equipment, each stage of slag conveying equipment includes: a slag carrying box 1, and the slag carrying box 1 includes a slag collecting section 11 and the The slag conveying section 12 connected with the slag collecting section 11, wherein the slag collecting section 11 is a horizontal section, is used to collect the slag output from the slag well mouth at the bottom of the boiler or the slag outlet 4 of the previous stage slag conveying equipment and transfer the slag Convey horizontally for a certain distance to the slag conveying section 12, the slag conveying section 12 is an inclined section connected with the slag collecting section 11 and extends upwards, the slag conveying section 12 collects the slag collected by the slag collecting section 11 The lifting is carried out obliquely upwards, and finally the slag is discharged out of the slag carryi...

Embodiment 3

[0054] Such as Figure 4 As shown, in order to further improve the air isolation effect of the air isolation door 9 and the ash discharge efficiency of the fine ash, as another implementation of the air isolation door 9, at least one stage of the air isolation of the slag handling equipment The door 9 is made up of at least two air isolation door units, and the air isolation door units are arranged up and down to form multi-layer air isolation; Figure 4 As shown, the air isolation door 9 of the multi-stage dry slag conveying equipment in this embodiment is composed of two upper and lower air isolation door units, forming two layers of air isolation. For the convenience of description, the upper air isolation door unit is called the first An air isolation door unit, the lower air isolation door unit is called the second air isolation door unit, the first air isolation door unit bears the fine ash falling on it by closing, and the air and air on the upper part of the air isolat...

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PUM

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Abstract

The invention discloses a dry-type slag conveying device, which comprises setting an air isolation door between the slag conveying device and the fine ash removal device, the air isolation door is suitable for carrying the falling fine ash by being closed, and cut off the air circulation between the upper part of the air isolation door and the lower part of the air isolation door, and is adapted to discharge the fine ash on it downwards from the air isolation door by opening; The air isolation door control device is used to control the opening and closing of the air isolation door. The dry slag conveying equipment of the present invention not only has the function of air cooling, but also can control the air flow in the slag carrying box in the reverse direction along the fine ash removal direction through the opening and closing of the air isolation door, thereby improving the fine ash removal efficiency.

Description

technical field [0001] The invention relates to a boiler slagging equipment, in particular to a dry slag conveying equipment and a multi-stage dry slag conveying equipment using the slag conveying equipment. Background technique [0002] A Chinese patent document CN101660760B applied by the applicant is a dry slag conveying equipment, which includes a slag carrying box, a slag conveying device, and a fine ash removal device; the slag carrying box is composed of a slag collecting section and a slag lifting section, The slag lifting section is connected to the slag collecting section and is located above the slag collecting section, and a coarse slag outlet is provided at the other end corresponding to the end of the slag lifting section connected to the slag collecting section; One end of the collection section is provided with a fine ash outlet, and the fine ash removal device moves toward the direction of the fine ash outlet and toward the connection between the slag collec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23J1/06
Inventor 王玉玮刘振强夏春华尹月玲张华兰
Owner BEIJING GUODIAN FUTONG SCI & TECH DEV