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Combined pulverized coal storage and supplying device

A combined, pulverized coal technology, applied in block/powder supply/distribution, fuel supply, combustion method, etc., can solve the problems of small volume, inability to meet large-tonnage boilers, etc., achieve large device capacity, and prevent equipment from blasting. The effect of endangering personal safety and ingenious structure setting

Active Publication Date: 2013-03-13
CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The currently used pulverized coal storage and supply devices generally have the problem of small volume, which cannot meet the needs of large-tonnage boilers
According to experience, the pulverized coal storage in the pulverized coal storage tank should be able to guarantee the consumption of the device for 5 to 10 days. The current pulverized coal storage and supply device used is at most 150m 3 , in the application of large devices, it can only meet the consumption of 1 to 2 days, and a set of pulverized coal storage and supply device corresponds to a boiler, there are big problems in terms of economy and space layout

Method used

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  • Combined pulverized coal storage and supplying device
  • Combined pulverized coal storage and supplying device
  • Combined pulverized coal storage and supplying device

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Such as figure 1 As shown, the present invention mainly includes a powder storage tank (bin) 1, two weighing tanks (bin) 2, two feeders 3 and a pulverized coal powder feeding pipe 4.

[0016] Such as figure 2 As shown, the powder storage tank 1 top of the present invention is symmetrically provided with two explosion-proof doors 11, as figure 1 As shown, a small bag filter 12 is provided at the center of the inner top of the powder storage tank 1 . A high material level meter 13 is set at the 75% material level on the side wall of the powder storage tank 1, and a low material level gauge 14, a high material level gauge 13 and a low material level gauge are set at the 30% material level position on the side wall of the powder storage tank 1 Three temperature sensors 15 are arranged at intervals on the side wall of the powder storage tank 1 b...

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Abstract

The invention relates to a combined pulverized coal storage and supplying device, which is characterized by comprising a pulverized coal storage tank, wherein a bag-type dust remover is arranged at the inner top of the pulverized coal storage tank; a high level probe is arranged on the upper side wall of the pulverized coal storage tank; a low level probe is arranged on the lower side wall of the pulverized coal storage tank; a plurality of temperature sensors are arranged between the high level probe and the low level probe; the lower part of the pulverized coal storage tank is divided into two tapered bins; a pneumatic fluidizing device and an electric blanking rotary valve are arranged at the bottoms of the two tapered bins; the feed ports of two weighing tanks are correspondingly connected with the discharge holes of two taper bins of the pulverized coal storage tank respectively; the side walls of both the two weighing tanks are hung on a group of weighing sensors fixed on an operating platform; two stirring devices are arranged at the bottoms of the two weighing tanks respectively; a pressure balance tube is arranged between the two weighing tanks and the pulverized coal storage tank respectively; two feeders both comprise feeding screws arranged below the bottoms of the weighing tanks; two primary air fans with hand air valves are arranged below the feeding screws respectively; and a pulverized coal feeding pipe is communicated with the inner top of the pulverized coal storage tank.

Description

technical field [0001] The invention relates to a pulverized coal storage and supply device, in particular to a combined pulverized coal storage and supply device. Background technique [0002] The currently used pulverized coal storage and supply devices generally have the problem of small volume, which cannot meet the needs of large-tonnage boilers. According to experience, the pulverized coal storage in the pulverized coal storage tank should be able to guarantee the consumption of the device for 5 to 10 days. The current pulverized coal storage and supply device used is at most 150m 3 , in the application of large devices, it can only meet the consumption of 1 to 2 days, and a set of pulverized coal storage and supply device corresponds to a boiler, so there are big problems in terms of economy and space layout. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a combined pulverized coal storage and sup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K3/00
Inventor 徐尧冯现河刘建航何海军范玮尚庆雨纪任山王乃继张鑫肖翠微李婷徐通梁兴苗鹏宋春燕闫黎黎于清航徐大宝周沛然王永英
Owner CHINA COAL RES INST CCRI ENERGY SAVING TECH CO LTD
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