CN106594784B - A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity - Google Patents

A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity Download PDF

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Publication number
CN106594784B
CN106594784B CN201710074683.9A CN201710074683A CN106594784B CN 106594784 B CN106594784 B CN 106594784B CN 201710074683 A CN201710074683 A CN 201710074683A CN 106594784 B CN106594784 B CN 106594784B
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China
Prior art keywords
coal
bin
fixedly mounted
helical
injecting
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Expired - Fee Related
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CN201710074683.9A
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Chinese (zh)
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CN106594784A (en
Inventor
张竹林
王兆云
孙召亮
王小雨
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Shandong Jiaotong University
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Shandong Jiaotong University
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Priority to CN201710074683.9A priority Critical patent/CN106594784B/en
Publication of CN106594784A publication Critical patent/CN106594784A/en
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Publication of CN106594784B publication Critical patent/CN106594784B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/005Regulating fuel supply using electrical or electromechanical means

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity, it is made of coal feed point sealing plate, coal bin, coal powder injection component, holder, high pressure airline, mixing component, helical conveyer system, coal feed point sealing plate is fixedly mounted on the top of coal bin, transmission device is fallen into coal dust in coal bin by the input port on coal feed point sealing plate, coal bin, coal powder injection component, high pressure airline are fixedly mounted on holder, mixing component is fixedly mounted on by bearing and flange on coal bin, and helical conveyer system is mounted by means of bolts on coal bin;The present invention realizes that injecting coal quantity and furnace temperature are continuously controllable using the method for adjustment motor speed and then adjustment injecting coal quantity, can effectively improve efficiency of combustion, save energy consumption, reduces the cost, have many advantages, such as simple in structure, uniformly mixed, low energy consumption.

Description

A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity
Technical field
The present invention relates to the Coal powder spray machine of burning coal powder industry more particularly to a kind of continuous controllable novel coal powder injections of injecting coal quantity Powder machine.
Background technology
In metallurgy, bake bricks reduces energy consumption through the method frequently with the coal injection into stove in the process, increases economic efficiency, Reduce discharge.And the Coal powder spray machine that uses at present is thick there are coal dust mesh number and size is uneven, injecting coal quantity can not be adjusted continuously Technology drawback causes the coal dust firing in burner insufficient, increases cost, and chimney over-emitting black exhaust causes pollution to environment.Cause This, urgent need is a kind of can to realize the continuous controllable novel pulverized coal spraying machine of uniform coal powder injection, injecting coal quantity, to meet modernization of industry burning Room needs.
Invention content
The present invention provides a kind of continuous controllable novel pulverized coal spraying of injecting coal quantity for deficiency existing for current Coal powder spray machine Machine realizes that injecting coal quantity and furnace temperature are continuously controllable using the method for adjustment motor speed and then adjustment injecting coal quantity, improves burning effect Rate has many advantages, such as simple in structure, uniformly mixed, low energy consumption.
The present invention is realized by following technical measures:
A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity, by coal feed point sealing plate, coal bin, coal powder injection component, holder, high pressure Air pipe line, mixing component, helical conveyer system composition, coal feed point sealing plate are fixedly mounted on the top of coal bin, and transmission device will Coal dust is fallen by the input port on coal feed point sealing plate in coal bin, and coal bin, coal powder injection component, high pressure airline are fixedly mounted on holder On, mixing component is fixedly mounted on by bearing and flange on coal bin, and helical conveyer system is mounted by means of bolts on coal bin On;
The coal powder injection component is made of multiple nozzles, and the tail portion of the nozzle is connected with high pressure airline by pipeline It connects, there is taper feed inlet above nozzle, the spout of nozzle is necking shape and towards combustion furnace;
The mixing component is made of stirring motor and stirring blade, and constantly rotation is to prevent coal dust from accumulating;
The helical conveyer system is made of driving chain, feeder motor, controller and multiple helical feed components, more A helical feed component is fixedly mounted on coal bin, and the sprocket wheel on sprocket wheel and feeder motor on multiple helical feed components is logical Driving chain connection is crossed, controller is electrically connected with feeder motor, and controller controls the rotating speed of feeder motor;
The helical feed component is made of guide pipe, hold-down support, sprocket wheel, rotation axis, helical rotation part, guide pipe It is fixedly mounted on hold-down support, one end key connection of sprocket wheel and rotation axis, rotation axis is mounted on hold-down support by bearing, turns The other end of moving axis is installed with helical rotation part;
The guide pipe is provided with bar shaped notch.
The beneficial effects of the invention are as follows:
A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity, using the side of adjustment motor speed and then adjustment injecting coal quantity Method realizes that injecting coal quantity and furnace temperature are continuously controllable, can effectively improve efficiency of combustion, save energy consumption, reduces the cost, and has structure letter The advantages that single, uniformly mixed, low energy consumption.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the part-structure schematic diagram of the present invention.
Fig. 3 is the part-structure schematic diagram of the present invention.
Fig. 4 is the part-structure schematic diagram of the present invention.
Fig. 5 is the coal bin structural schematic diagram of the present invention.
Fig. 6 is the coal bin structural schematic diagram of the present invention.
Fig. 7 is the helical feed component structure diagram of the present invention.
Fig. 8 is the helical feed components structural schematic diagram of the present invention.
Fig. 9 is the guide tube structure diagram of the present invention.
Figure 10 is the nozzle arrangements schematic diagram of the present invention.
In figure:1- coal feed point sealing plates, 2- coal bins, 3- coal powder injection components, 4- holders, 5- high pressure airlines, 6- mixing components, 7- helical conveyer systems, 701- guide pipes, 702- hold-down supports, 703- sprocket wheels, 704- rotation axis, 705- helical rotation parts, 301- nozzles.
Specific implementation mode
In order to clarify the technical characteristics of the invention, below by a specific implementation mode, and in conjunction with attached drawing, to this Scheme is illustrated.
A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity, by coal feed point sealing plate 1, coal bin 2, coal powder injection component 3, holder 4, High pressure airline 5, mixing component 6, helical conveyer system 7 form, and coal feed point sealing plate 1 is fixedly mounted on the top of coal bin 2, pass Device is sent to fall into coal dust in coal bin 2 by the input port on coal feed point sealing plate 1, coal bin 2, coal powder injection component 3, high pressure airline 5 It is fixedly mounted on holder 4, mixing component 6 is fixedly mounted on by bearing and flange on coal bin 2, and helical conveyer system 7 passes through Bolt is fixedly mounted on coal bin 2;
The coal powder injection component 3 is made of multiple nozzles 301, and the tail portion of the nozzle 301 and high pressure airline 5 are logical Cross piping connection, there is a taper feed inlet in the top of nozzle 301, and the spout of nozzle 301 is necking shape and towards combustion furnace;
The mixing component 6 is made of stirring motor and stirring blade, and constantly rotation is to prevent coal dust from accumulating;
The helical conveyer system 7 is made of driving chain, feeder motor, controller and multiple helical feed components, Multiple helical feed components are fixedly mounted on coal bin 2, the chain on sprocket wheel and feeder motor on multiple helical feed components Wheel is connected by driving chain, and controller is electrically connected with feeder motor, and controller controls the rotating speed of feeder motor;
The helical feed component is by guide pipe 701, hold-down support 702, sprocket wheel 703, rotation axis 704, helical rotation Part 705 forms, and guide pipe 701 is fixedly mounted on hold-down support 702, and sprocket wheel 703 and one end of rotation axis 704 are keyed, and are turned Moving axis 704 is mounted on hold-down support 702 by bearing, and the other end of rotation axis 704 is installed with helical rotation part 705;
The guide pipe 701 is provided with bar shaped notch.
When work, pressure-air is entered by high pressure airline 5 in the nozzle 301 on coal powder injection component 3, and transmission device will Coal dust is fallen by the input port on coal feed point sealing plate 1 in coal bin 2, and coal dust is constantly stirred by mixing component 6, prevents coal dust heap Product, coal dust constantly enter in the notch of guide pipe 701, and controller controls feeder motor rotation, and passes through feeder motor rotating speed Changing to control the conveying capacity of coal dust, feeder motor is rotated by the rotation axis 704 on the multiple helical feed components of chain drive, Rotation axis 704 and then 705 rotation of drive helical rotation part, helical rotation part 705 is constantly by coal dust toward front push, and coal dust is in weight It is fallen under force effect in the taper feed inlet of 301 top of nozzle, and pulverized coal injection is sent to burning by the pressure-air in nozzle 301 In stove.
Although the preferred embodiment of the present invention is described in connection with figures above, the invention is not limited in above-mentioned Specific implementation mode, the above mentioned embodiment is only schematical, is not restrictive, the common skill of this field Art personnel under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, can be with Many forms are made, within these are all belonged to the scope of protection of the present invention.

Claims (3)

1. the continuous controllable novel pulverized coal spraying machine of a kind of injecting coal quantity, by coal feed point sealing plate(1), coal bin(2), coal powder injection component(3), branch Frame(4), high pressure airline(5), mixing component(6), helical conveyer system(7)Composition, it is characterised in that:Coal feed point sealing plate (1)It is fixedly mounted on coal bin(2)Top, transmission device is by coal dust by coal feed point sealing plate(1)On input port fall into coal bin(2) In, coal bin(2), coal powder injection component(3), high pressure airline(5)It is fixedly mounted on holder(4)On, mixing component(6)Pass through bearing It is fixedly mounted on coal bin with flange(2)On, helical conveyer system(7)It is mounted by means of bolts on coal bin(2)On;
The coal powder injection component(3)By multiple nozzles(301)Composition, the nozzle(301)Tail portion and high pressure airline (5)Pass through piping connection, nozzle(301)Top have feed inlet, nozzle(301)Spout towards combustion furnace;
The mixing component(6)It is made of stirring motor and stirring blade, constantly rotation is to prevent coal dust from accumulating;
The helical conveyer system(7)It is made of driving chain, feeder motor, controller and multiple helical feed components, it is more A helical feed component is fixedly mounted on coal bin(2)On, the chain on sprocket wheel and feeder motor on multiple helical feed components Wheel is connected by driving chain, and controller is electrically connected with feeder motor, and controller controls the rotating speed of feeder motor;
The helical feed component is by guide pipe(701), hold-down support(702), sprocket wheel(703), rotation axis(704), spiral Rotating member(705)Composition, guide pipe(701)It is fixedly mounted on hold-down support(702)On, sprocket wheel(703)With rotation axis(704)'s One end is keyed, rotation axis(704)It is mounted on hold-down support by bearing(702), rotation axis(704)The other end be fixedly mounted There is helical rotation part(705).
2. the continuous controllable novel pulverized coal spraying machine of a kind of injecting coal quantity as described in claim 1, it is characterised in that:Nozzle(301) Top feed inlet be taper, nozzle(301)Spout be necking shape.
3. the continuous controllable novel pulverized coal spraying machine of a kind of injecting coal quantity as described in claim 1, it is characterised in that:The guiding Pipe(701)It is provided with bar shaped notch.
CN201710074683.9A 2017-02-11 2017-02-11 A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity Expired - Fee Related CN106594784B (en)

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CN201710074683.9A CN106594784B (en) 2017-02-11 2017-02-11 A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity

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CN201710074683.9A CN106594784B (en) 2017-02-11 2017-02-11 A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity

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CN109442465B (en) * 2018-09-30 2020-06-26 上海全应科技有限公司 Fitting sample selection and metering method for instantaneous powder feeding amount of pulverized coal boiler

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JP2002005434A (en) * 2000-06-22 2002-01-09 Nkk Corp Method for operating oven type heating furnace at low air ratio and oven type heating furnace
CN100534625C (en) * 2007-06-01 2009-09-02 安徽省华鑫铅业集团有限公司 Centrifugal type composite coal-grinding and powder-spraying machine
CN101319787A (en) * 2008-06-20 2008-12-10 武汉钢铁(集团)公司 Coal powder lance for blast furnace
CN104121597A (en) * 2014-08-15 2014-10-29 无锡市彩云机械设备有限公司 Crushed coal screening device of coal spraying machine
CN205473849U (en) * 2016-01-10 2016-08-17 化玉荣 Blast furnace coal injection jar
CN206488305U (en) * 2017-02-11 2017-09-12 天津格润环保设备有限公司 A kind of continuous controllable novel pulverized coal spraying machine of injecting coal quantity

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Inventor after: Zhang Zhulin

Inventor after: Wang Zhaoyun

Inventor after: Sun Zhaoliang

Inventor after: Wang Xiaoyu

Inventor before: Wang Zhaoyun

Inventor before: Zhang Zhulin

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20180516

Address after: 250023 Jiao Jiao Road, Tianqiao District, Ji'nan, Shandong Province, No. 5

Applicant after: Shandong Jiaotong College

Address before: 300400 8, building 507-5, Beijing Bin Industrial Park, Wuqing District, Tianjin

Applicant before: Tianjin green environmental protection equipment Co., Ltd.

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180828

Termination date: 20190211

CF01 Termination of patent right due to non-payment of annual fee