CN104633691A - Novel impeller pulverized coal feeder - Google Patents
Novel impeller pulverized coal feeder Download PDFInfo
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- CN104633691A CN104633691A CN201310560564.6A CN201310560564A CN104633691A CN 104633691 A CN104633691 A CN 104633691A CN 201310560564 A CN201310560564 A CN 201310560564A CN 104633691 A CN104633691 A CN 104633691A
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- impeller
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- supplying powder
- machine supplying
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Abstract
The invention relates to a novel impeller pulverized coal feeder, and belongs to the technical field of boiler corollary equipment. The novel impeller pulverized coal feeder comprises an upper portion body (1), a lower portion body (14) and a worm-gear speed reducer (15) which are connected with each other, wherein a damper plate (3) is fixedly arranged inside the upper portion body (1), a feeding impeller (10), a scraper (7) and a partition board (8) are fixedly arranged in the lower portion body (14), a lead screw (19) passes through the upper portion body (1) crosswise, and a hand wheel (6) is arranged on the lead screw (19) through a nut (4) and a locking closing ring (5); a measuring impeller group (12) and a powder discharge tube (16) are arranged below the feeding impeller (10) in the lower portion body (14) in sequence, and the worm-wheel speed reducer (15) is connected with the measuring impeller group (12) and the scraper (7) through a center shaft which passes through a coupling (17). The novel impeller pulverized coal feeder has the advantages that the tightness is good, powder leakage can be avoided, the working performance can be improved when the pulverized coal feeder rotates at a high speed, and the adaptability to the pulverized coal is high.
Description
Technical field
The invention belongs to boiler matching equipment technical field, be specifically related to a kind of novel impeller machine supplying powder.
Background technology
The bull-dozer of coal treatment plant and the use of loading dolly are all that the efficiency of storage and economy, the motion of large-tonnage coal treating apparatus and control, coal car unloading, storage, recovery system depend on suitable feeding system for the purpose of feed.In coal treatment plant, batcher is the machine of one of them key.Maybe cannot use if feeding system damages, cause long downtime and produce the expensive cost of repairs to whole process.
Feeding system has different types, and Vibration Feeder System is effective and the most most economical method for carrying coal.It is the simplest and the easiest means controlling flowing or feed rate.Oscillating feeder is a kind of simplicity of design and Stability Analysis of Structures, life-span length, easy-operating equipment.Oscillation intensity can be regulated by a suitable controller in scope widely, to guarantee the stable of uninterrupted feed under different conditions.They protect storage bin hopper, the silo of ribbon conveyer, auto feed bucket etc. in controlled speed material conveying process from infringement.Disc feeder is that one uses continous way volume charging (feeding) equipment widely, and can feed in next equipment by material, feeding capacity can regulate, and can feed the material of powdery, little bulk, is the conventional corollary equipment of general grinding machine, dryer uniformly continous.Mine feeding device mainly relies on mechanical type reciprocating feeder, and this model structure is simple, and power consumption is comparatively large, and equipment is heavy.By connecting rod and eccentric shaft transmission, reciprocating working, treating capacity is little and become the uneven feed of indirect formula in heaps.But this type a little repair, durable, arrange that desired height is low, and require not tight to the granularmetric composition of material, outside water physical property of grading.
Existing Impeller powder feeder is primarily of lock gate hatch part, be grouped into powder impeller wheel portion, drive part, electrical control division, because structural design is unreasonable, mainly there is powder-feeding amount and motor speed linear relationship is bad, powder-feeding amount is stable not, functional reliability does not reach user's requirement, and powder is leaked in the sealing of part impeller machine supplying powder axis place, causes bearing to hold and damages and break down, have pollution to environment, lock gate hatch and machine supplying powder axis place seal bad and leak powder; Bad and the leakage of oil of reductor sealing in drive part; Relative maintenance difficult, to coal dust bad adaptability, easily blocks shutdown when impurity is more in coal dust.
Summary of the invention
The object of this invention is to provide a kind of novel impeller machine supplying powder, good airproof performance, can anti-leak-stopping powder, also can improve the operating characteristic of machine supplying powder when turning at a high speed, and increase flashboard function, device structure is simple, to coal dust strong adaptability.
The present invention is achieved through the following technical solutions:
A kind of novel impeller machine supplying powder, be formed by connecting by top body 1, lower body 14 and worm gear reducer 15, its top body 1 inside is fixedly installed flashboard 3, lower body 14 inside is installed with supply impeller 10, scraper plate 7 and dividing plate 8, it is characterized in that: leading screw 19 crosses top body 1 and arranges, described leading screw 19 is equipped with and handwheel 6 by nut 4 and locking back-up ring 5; Be provided with successively below described lower body 14 inside supply impeller 10 and measure impeller sets 12 and flour extraction pipe 16, worm gear reducer 15 by central shaft by shaft coupling 17 with measure impeller sets 12, supply impeller 10 and scraper plate 7 is connected.
Handhole cover 21 is also provided with outside described top body 1.
The position that described top body 1 contacts with leading screw 19 is also provided with sealing ring 20 and seal washer 22.
The position that described scraper plate 7 contacts with central shaft is also provided with packing ring 23.
Between described scraper plate 7 and supply impeller 10, dividing plate 8 is housed.
Described supply impeller 10 is arranged in supply impeller housing 9.
Described supply impeller 10 is the gear wheel composition of six teeth.
Described worm gear reducer 15 is connected with the motor bottom lower body 14, and motor is fixedly mounted on motor base 18.
The position that described shaft coupling 17 contacts with measurement impeller sets 12 is also provided with seal cover 13, oil sealing cover 24 and end cap 25.
Beneficial effect of the present invention:
Described novel impeller machine supplying powder, equipment powder-feeding amount controls reliable, good with motor speed correlation, solve machine supplying powder axis place and leak powder problem, correspondingly solve the fault and on-the-spot pollution problem that are caused by it, improve reductor sealing condition everywhere, solve reductor Leakage.Lock gate hatch adopts laterally opened, and structural design is simple, to coal dust strong adaptability.Its main shaft is divided into two sections, upper semisection is arranged in supply impeller housing 9, lower semisection is arranged in worm gear reducer 15, two sections are connected by shaft coupling 17, its underpart body 14 is connected by screw with worm gear reducer 15, can not interfere when machine assembling adjustment, position and the gap of worm gear reducer 15 and each associated components can be ensured, thus improve the precision of complete machine, very large convenience is brought in the gap regulating supply impeller 10 and maintenance, between top body 1 and lower body 14, screw is all adopted to connect between lower body 14 and worm gear reducer 15, dismounting and easy to maintenance, safe and reliable.
Accompanying drawing explanation
Fig. 1 is preferred embodiment of the present invention front view.
Fig. 2 is preferred embodiment of the present invention top view.
Fig. 3 is preferred embodiment of the present invention left view.
In figure, top body 1, sealing plate 2, flashboard 3, nut 4, locking back-up ring 5, handwheel 6, scraper plate 7, dividing plate 8, supply impeller housing 9, supply impeller 10, trundle 11, measurement impeller sets 12, seal cover 13, lower body 14, worm gear reducer 15, flour extraction pipe 16, shaft coupling 17, motor base 18, leading screw 19, sealing ring 20, handhole cover 21, seal washer 22, packing ring 23, oil sealing cover 24, end cap 25.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
A kind of novel impeller machine supplying powder, as illustrated in the accompanying drawings from 1 to 3, by top body 1, lower body 14 and worm gear reducer 15 are formed by connecting, handhole cover 21 is provided with by sealing plate 2 outside described top body 1, its top body 1 inside is fixedly installed flashboard 3, lower body 14 inside is installed with supply impeller 10, scraper plate 7 and dividing plate 8, leading screw 19 crosses top body 1 and arranges, described leading screw 19 is equipped with and handwheel 6 by nut 4 and locking back-up ring 5, the position that top body 1 contacts with leading screw 19 is also provided with sealing ring 20 and seal washer 22, be provided with successively below lower body 14 inside supply impeller 10 and measure impeller sets 12 and flour extraction pipe 16, worm gear reducer 15 passes through shaft coupling 17 by central shaft and measures impeller sets 12, supply impeller 10 is connected with scraper plate 7, between described scraper plate 7 and supply impeller 10, trundle 11 and dividing plate 8 are housed, supply impeller 10 is arranged in supply impeller housing 9, supply impeller 10 is the gear wheel composition of six teeth, the position that scraper plate 7 contacts with central shaft is also provided with packing ring 23, the position that shaft coupling 17 contacts with measurement impeller sets 12 is also provided with seal cover 13, oil sealing cover 24 and end cap 25, worm gear reducer 15 is connected with the motor bottom lower body 14, motor is fixedly mounted on motor base 18.
This equipment operation principle is, Impeller powder feeder is thermal power plant warehouse formula pulverized coal preparation system provides main auxiliary equipment from fuel to boiler.It is by the needs of boiler coal dust continuously, evenly, send into primary air piping quantitatively after enter hearth combustion.It forms rotation work assembly by the supply impeller 10 be contained on same working shaft and an agitator, is separated between three by bottom the stagger dividing plate 8 of 180 ° of three aperture positions.Coal dust falls upper spacer 8 from powder storehouse through upper shutter 3, the supply impeller 10 below breach is blown into by agitator, supply impeller 10 rotarily drives coal dust and in median septum, rotates 180 ° drop into metering impeller to indentation, there, turn 180 ° again, metering impeller again coal dust take to lower clapboard lack fall into lower flour extraction pipe 16, through air and powder mixer, be blown into burner hearth by hot blast.The size of powder-feeding amount is that the rotating speed by changing electromagnetic coupling asynchronous motor reaches.
Claims (9)
1. a novel impeller machine supplying powder, be formed by connecting by top body (1), lower body (14) and worm gear reducer (15), its top body (1) inside is fixedly installed flashboard (3), lower body (14) inside is installed with supply impeller (10), scraper plate (7) and dividing plate (8), it is characterized in that: leading screw (19) crosses top body (1) and arranges, described leading screw (19) is equipped with and handwheel (6) by nut (4) and locking back-up ring (5); Described lower body (14) inside supply impeller (10) below is provided with successively measures impeller sets (12) and flour extraction pipe (16), worm gear reducer (15) by central shaft by shaft coupling (17) and measure impeller sets (12), supply impeller (10) and scraper plate (7) is connected.
2. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: described top body (1) outside is also provided with handhole cover (21).
3. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: the position that described top body (1) contacts with leading screw (19) is also provided with sealing ring (20) and seal washer (22).
4. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: the position that described scraper plate (7) contacts with central shaft is also provided with packing ring (23).
5. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: between described scraper plate (7) and supply impeller (10), dividing plate (8) is housed.
6. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: described supply impeller (10) is arranged in supply impeller housing (9).
7. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: described supply impeller (10) is the gear wheel composition of six teeth.
8. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: described worm gear reducer (15) is connected with the motor of lower body (14) bottom, and motor is fixedly mounted on motor base (18).
9. a kind of novel impeller machine supplying powder according to claim 1, is characterized in that: the position that described shaft coupling (17) contacts with measurement impeller sets (12) is also provided with seal cover (13), oil sealing cover (24) and end cap (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560564.6A CN104633691A (en) | 2013-11-12 | 2013-11-12 | Novel impeller pulverized coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310560564.6A CN104633691A (en) | 2013-11-12 | 2013-11-12 | Novel impeller pulverized coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104633691A true CN104633691A (en) | 2015-05-20 |
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ID=53212737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310560564.6A Pending CN104633691A (en) | 2013-11-12 | 2013-11-12 | Novel impeller pulverized coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633691A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276206A (en) * | 2016-11-03 | 2017-01-04 | 张泰� | A kind of accurate measurement disk feeder and liquid appending apparatus thereof and application |
| CN109268871A (en) * | 2018-11-06 | 2019-01-25 | 沈阳卓都电力科技有限公司 | A kind of coal-fired boiler in power plant is quantitative to give powder device |
| CN110040533A (en) * | 2019-05-15 | 2019-07-23 | 成都广维重工科技有限公司 | A kind of rotary plow feeder for weighing hopper |
-
2013
- 2013-11-12 CN CN201310560564.6A patent/CN104633691A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276206A (en) * | 2016-11-03 | 2017-01-04 | 张泰� | A kind of accurate measurement disk feeder and liquid appending apparatus thereof and application |
| CN109268871A (en) * | 2018-11-06 | 2019-01-25 | 沈阳卓都电力科技有限公司 | A kind of coal-fired boiler in power plant is quantitative to give powder device |
| CN110040533A (en) * | 2019-05-15 | 2019-07-23 | 成都广维重工科技有限公司 | A kind of rotary plow feeder for weighing hopper |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |