CN106016332B - More special charging gears of coal - Google Patents
More special charging gears of coal Download PDFInfo
- Publication number
- CN106016332B CN106016332B CN201610610645.6A CN201610610645A CN106016332B CN 106016332 B CN106016332 B CN 106016332B CN 201610610645 A CN201610610645 A CN 201610610645A CN 106016332 B CN106016332 B CN 106016332B
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- Prior art keywords
- coal
- flow distribution
- distribution plate
- coal bunker
- plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a kind of more special charging gears of coal, belong to coal charge and mix charging gear field of burning, are equipped with flow distribution plate in coal bunker, flow distribution plate both ends are fixed on the side wall of coal bunker；Coal bunker bottom plate is equipped with four feed openings, two feed openings are arranged on below flow distribution plate, and two feed openings are arranged on flow distribution plate both sides, and each feed opening lower part is respectively connected with coal spout, the bottom of four coal spouts is connected, and lock gate hatch is equipped between the feed opening and coal spout of flow distribution plate both sides；Circumgyration incision body is equipped with coal bunker, circumgyration incision body includes matrix and is equipped with dynamical system along symmetrically arranged three cutters of matrix center, coal bunker bottom plate central lower, and dynamical system is connected to matrix center.The configuration of the present invention is simple, electric part is all placed in main body periphery, opens maintenance door, replacement cutter can be overhauled by the passage under flow distribution plate, convenient and efficient.
Description
Technical field
Mixed the invention belongs to coal charge and burn charging gear field, and in particular to a kind of more special charging gears of coal.
Background technology
With reference to China's energy strategy plan and the present situation of energy resource supply, steam coal for power adds glutinous coal more and other low heat values are former
Coal supplies boiler.There is easily cohesive physical characteristic due to sticking coal, in coal supply operational process, raw coal is easily adhered in coal bunker
Wall, raw coal easily itself or with periphery raw coal lump.Existing charging gear substantially uses coal bunker coal scuttle feeding, and coal stream is in gravity
Stacking pressure, confluence are be easy to cause under effect, causes coal seam closely knit, so that fluffy coal, chute blockage phenomenon frequently occur in course of conveying, causes
Generating set fluctuation of service, influences the normal of unit and produces coal and economical operation.
The content of the invention
The object of the present invention is to provide a kind of special charging gear of more coals that can adapt to a variety of coals.
Based on above-mentioned purpose, the present invention adopts the following technical scheme that：
More special charging gears of coal, coal bunker is interior to be equipped with flow distribution plate, and flow distribution plate both ends are fixed on the side wall of coal bunker；Coal bunker
Bottom plate is equipped with four feed openings, and two feed openings are arranged on below flow distribution plate, and two feed openings are arranged on flow distribution plate both sides, each blanking
Mouthful lower part is respectively connected with coal spout, and the bottom of four coal spouts is connected, arranged on flow distribution plate both sides feed opening and coal spout it
Between be equipped with lock gate hatch；Be equipped with circumgyration incision body in coal bunker, circumgyration incision body is including matrix and along matrix center symmetrically arranged three
A cutter, coal bunker bottom plate central lower are equipped with dynamical system, and dynamical system is connected to matrix center.
The flow distribution plate is inverted " V " type.
In order to wipe the raw coal adhered on coal bunker side wall off, the free end of cutter is equipped with coal bunker side wall scraper plate straight up,
Flow distribution plate both ends lower part is equipped with the groove being used cooperatively with coal bunker side wall scraper plate.
The side wall of coal bunker is equipped with access hole, and access hole is located at side wall and the flow distribution plate junction of coal bunker, access hole peripheral hardware
There is maintenance door.
The coal spout includes the straight pipe being arranged on below feed opening and the inclined tube section being connected to below straight pipe, and four fall
The inclined tube section lower end of coal pipe is connected.
The coal spout is equipped with position sensor, the output of the position sensor on the coal spout below flow distribution plate
End is connected in dynamical system, and the output terminal of the position sensor on the coal spout of flow distribution plate both sides is connected to lock gate hatch
On.
Coal bunker is externally provided with column, and the column top is connected on coal bunker side wall by connector；Support is equipped with the middle part of column
Frame, bracket are arranged on below coal bunker bottom plate, and the side plate that the bracket includes two relatively and sets, side plate is close to the one end at coal bunker center
Top is equipped with transverse slat, and coal bunker bottom plate is placed on transverse slat.
Stull is equipped between adjacent upright posts, stull end is equipped with connecting plate, and connecting plate is parallel with the side of column, adjacent
Connected between connecting plate by fastener.
Coal bunker side wall and bottom plate are made of NM400 wear-resistant materials, and flanged joint is used between coal bunker side wall and bottom plate.Rotation
The cutter for turning cutting body is made of 40Cr high abrasion resisting materials, improves the wear-resisting type of cutter.
Compared with prior art, the present invention has the following advantages：
1st, flow distribution plate is equipped with coal bunker of the present invention, coal stream enters coal bunker after being split plate shunting, if the mobility of raw coal
Preferably, then lock gate hatch is opened, closes dynamical system, raw coal is directly entered the feed opening of flow distribution plate both sides, saves electric power, and reduction is set
Standby consumption；If the mobility of raw coal is poor, easily bond closely knit, then close lock gate hatch, open dynamical system, raw coal will not be into
Enter the feed opening of flow distribution plate both sides, avoid coal stream under the effect of gravity by the raw coal stacking pressure in coal spout, confluence, closely knit, and
It is under the action of circumgyration incision body unbalanced is laid out cutter, during a knife pusher entrance, in addition two knives cutting converges material and prepares, coal
Material in storehouse is alternately pushed into the coal spout below flow distribution plate by circumgyration incision body, and original material space is under the effect of gravity by top
Material supplements, and " gets ahead first " so as to fulfill material, coordinates coordinated signals, remains that charging gear passage is smooth, material " with
Come with walking ", it is quantitative anti-blocking.
2nd, when using the feed opening blanking below flow distribution plate, signal is delivered to rotation by the position sensor on coal spout
In the dynamical system of cutting body, coordinated signals are realized, ensure coal spout Central Plains coal charge position and feed opening difference in height, raw coal during blanking
Coal breakage tube wall is washed away, prevents raw coal from being adhered to again on coal breakage tube wall, the feed opening below flow distribution plate need not set lock gate hatch；
When using the feed opening blanking of flow distribution plate both sides, signal is delivered to the control system of lock gate hatch by the position sensor on coal spout
On system, coordinated signals are realized, control the aperture of lock gate hatch；The present invention reduces lock gate hatch usage quantity, saves fund, and reduce
Installation space.
3rd, flow distribution plate is arranged to inverted " V " type, can effectively realize shunting and blocking effect, prevents raw coal to be directly entered shunting
Feed opening below plate, while the space shared by flow distribution plate can be reduced.
4th, coal spout includes straight pipe and inclined tube section, and the inclined tube section lower end of four coal spouts is connected, and can both realize friendship
It for blanking, and can prevent the raw coal for the interior storage of the direct punching press coal spout of raw coal that feed opening is fallen, it is close to prevent that raw coal is stamped
It is real.
5th, the configuration of the present invention is simple, electric part are all placed in main body periphery, open maintenance door, by logical under flow distribution plate
Road can overhaul replacement cutter, convenient and efficient.
Brief description of the drawings
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the B-B profiles of Fig. 2；
Fig. 4 is the left view of the present invention；
Fig. 5 is the top view of the present invention；
Fig. 6 is the stereogram of circumgyration incision body.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
More special charging gears of coal, its structure is as shown in Fig. 1 ~ 5, including coal bunker 1, circumgyration incision body, 2 and of dynamical system
Coal spout 3.
Coal bunker 1 includes using side wall and bottom plate made of NM400 wear-resistant materials, is used between the side wall and bottom plate of coal bunker 1
Flanged joint.Inverted " V " type flow distribution plate 5 is equipped with coal bunker 1,5 both ends of flow distribution plate are fixed on the side wall of coal bunker 1, the bottom plate of coal bunker 1
Equipped with four feed openings 4, two feed openings 4 are arranged on the lower section of flow distribution plate 5, the two 4 central junction lines of feed opening are parallel to shunting
The crestal line of plate 5；Two feed openings 4 are arranged on 5 both sides of flow distribution plate, and each 4 lower part of feed opening is respectively connected with coal spout 3, positioned at shunting
The feed opening 4 of 5 both sides of plate is equipped with lock gate hatch 20 with the junction of coal spout 3, and the coal spout 3 includes being arranged on the lower section of feed opening 4
Straight pipe and the inclined tube section that is connected to below straight pipe, the inclined tube section lower end of four coal spouts 3 be connected, coal spout 3 both may be used
It to realize alternately blanking, and can prevent the raw coal for the interior storage of the direct punching press coal spout 3 of raw coal that feed opening 4 is fallen, prevent original
Coal is stamped closely knit, and exporting the raw coal that falls from coal spout 3 and being delivered to boiler etc. by feeder 19 needs device for coal.
The side wall of coal bunker 1 is equipped with access hole, and access hole is located at side wall and 5 junction of flow distribution plate of coal bunker 1, outside access hole
Equipped with maintenance door 6.
Circumgyration incision body is equipped with coal bunker 1, its structure is as shown in fig. 6, circumgyration incision body includes matrix 7 and along matrix 7
Cutter made of the symmetrically arranged three 40Cr high abrasion resisting materials of the heart, cutter include curved radial direction scraper plate 8, after radial direction scraper plate 8
Side is equipped with upper and lower two pieces of support plates, upper backup pad 9 extended at 7 circumference of matrix radial direction scraper plate 82 to four/3rds/
At three, cutter quality can be reduced on the premise of ensureing that scraper plate has sufficient intensity, reduces materials and energy loss, lower support
Plate 10 extends to the end of radial direction scraper plate 8 at 7 circumference of matrix, in order to wipe the raw coal adhered on 1 side wall of coal bunker off, scraper plate 8
End can set coal bunker side wall scraper plate straight up, if the viscosity of raw coal is smaller, raw coal is not bonded on 1 side wall of coal bunker,
Also coal bunker side wall scraper plate can not be set, 5 both ends lower part of flow distribution plate is equipped with the groove 11 being used cooperatively with coal bunker side wall scraper plate.Coal bunker 1
Bottom plate central lower is equipped with dynamical system 2, and dynamical system 2 is connected to 7 center of matrix；On the coal spout 3 of the lower section of flow distribution plate 5
The output terminal of position sensor be connected in dynamical system 2, the position sensor on the coal spout 3 of 5 both sides of flow distribution plate
Output terminal be connected on lock gate hatch 20.
The above-mentioned special charging gear of more coals can be lifted directly or on corresponding bearing platform, also can be in coal
Column 12 is set outside storehouse 1, and coal bunker side wall is equipped with fixinig plate 13, and column top is connected on fixinig plate by connector 14；It is vertical
The middle part of column 12 is equipped with bracket 15, and bracket 15 is arranged on below 1 bottom plate of coal bunker, the side plate that the bracket 15 includes two relatively and sets,
Side plate is equipped with transverse slat close to one end top at coal bunker center, and 1 bottom plate of coal bunker is placed on transverse slat.Horizontal stroke is equipped between adjacent upright posts 12
Support 16,16 end of stull is equipped with connecting plate 17, and connecting plate 17 is parallel with the side of column 12, passes through between adjacent connection plates 17
Bolt 18 connects, and stull 16 is fixed on column 12 under the action of connecting plate 17 and bolt 18.
Flow distribution plate 5 is equipped with coal bunker 1 of the present invention, coal stream is split entering coal bunker 1 after plate 5 shunts, if the flowing of raw coal
Property it is preferable, then open lock gate hatch 20, close dynamical system 2, raw coal is directly entered the feed opening 4 of 5 both sides of flow distribution plate, saves electricity
Power, reduces equipment consumption；It is easily cohesive closely knit if the mobility of raw coal is poor, then lock gate hatch 20 is closed, opens dynamical system
2, raw coal will not enter the feed opening 4 of 5 both sides of flow distribution plate, avoid coal stream under the effect of gravity by the raw coal heap in coal spout 3
It is pressure, confluence, closely knit, but under the action of circumgyration incision body unbalanced is laid out cutter, during a knife pusher entrance, other two knife
Cutting, which converges, expects to prepare, and the material in coal bunker 1 is by the coal spout 3 of 5 lower section of circumgyration incision body alternating push-in flow distribution plate, original material space
Supplemented by top material, " get ahead first " so as to fulfill material under the effect of gravity, coordinate coordinated signals, remain feed dress
Passage smoothness is put, material " with come with walking " is quantitative anti-blocking.
When using 4 blanking of feed opening of the lower section of flow distribution plate 5, signal is delivered to rotation by the position sensor on coal spout 3
Turn in the dynamical system 2 of cutting body, realize coordinated signals, ensure 3 Central Plains coal charge position of coal spout and feed opening difference in height, during blanking
Raw coal washes away 3 tube wall of coal spout, prevents raw coal from being adhered to again on 3 wall of coal spout, and the feed opening 4 of the lower section of flow distribution plate 5 need not be set
Put lock gate hatch；When using 4 blanking of feed opening of 5 both sides of flow distribution plate, signal is delivered to lock by the position sensor on coal spout 3
In the control system of plate door 20, coordinated signals are realized, control the aperture of lock gate hatch 20；The present invention reduces lock gate hatch to use number
Amount, saves fund, and reduces installation space.
Claims (8)
- The special charging gear of coal more than 1., it is characterised in that including coal bunker, be equipped with flow distribution plate in coal bunker, flow distribution plate both ends are fixed On the side wall of coal bunker；Coal bunker bottom plate is equipped with four feed openings, and two feed openings are arranged on below flow distribution plate, and two feed openings are arranged on Flow distribution plate both sides, each feed opening lower part are respectively connected with coal spout, and the bottom of four coal spouts is connected, arranged on flow distribution plate both sides Feed opening and coal spout between be equipped with lock gate hatch；Be equipped with circumgyration incision body in coal bunker, circumgyration incision body is including matrix and along base Three cutters of body center symmetric setting, coal bunker bottom plate central lower are equipped with dynamical system, and dynamical system is connected to matrix center.
- 2. the special charging gear of more coals according to claim 1, it is characterised in that the flow distribution plate is inverted " V " type.
- 3. the special charging gear of more coals according to claim 1 or 2, it is characterised in that the free end of cutter is equipped with perpendicular Straight upward coal bunker side wall scraper plate, flow distribution plate both ends lower part are equipped with the groove surveyed wall scraper plate with coal bunker and be used cooperatively.
- 4. the special charging gear of more coals according to claim 3, it is characterised in that the side wall of coal bunker is equipped with maintenance Mouthful, access hole is located at the side wall of coal bunker and flow distribution plate junction, access hole are externally provided with maintenance door.
- 5. the special charging gear of more coals according to claim 1, it is characterised in that the coal spout includes being arranged on blanking Straight pipe and the inclined tube section being connected to below straight pipe below mouthful, the inclined tube section lower end of four coal spouts is connected.
- 6. the special charging gear of more coals according to claim 5, it is characterised in that the coal spout is passed equipped with position Sensor, the output terminal of the position sensor on the coal spout below flow distribution plate is connected in dynamical system, positioned at flow distribution plate The output terminal of position sensor on the coal spout of both sides is connected on lock gate hatch.
- 7. the special charging gear of more coals according to claim 1, it is characterised in that coal bunker is externally provided with column, described vertical Top end is connected on coal bunker side wall by connector；Bracket is equipped with the middle part of column, bracket is arranged on below coal bunker bottom plate.
- 8. the special charging gear of more coals according to claim 7, it is characterised in that stull is equipped between adjacent upright posts, The end of adjacent crossbrace is connected by fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610645.6A CN106016332B (en) | 2016-07-29 | 2016-07-29 | More special charging gears of coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610610645.6A CN106016332B (en) | 2016-07-29 | 2016-07-29 | More special charging gears of coal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106016332A CN106016332A (en) | 2016-10-12 |
| CN106016332B true CN106016332B (en) | 2018-05-04 |
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ID=57115683
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610610645.6A Active CN106016332B (en) | 2016-07-29 | 2016-07-29 | More special charging gears of coal |
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| CN (1) | CN106016332B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628926A (en) * | 2017-02-21 | 2017-05-10 | 圣地芬雷选煤工程技术（天津）有限公司 | Coal mixing system and coal mixing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006265500A (en) * | 2005-03-25 | 2006-10-05 | Nippon Steel Corp | Red-hot coke charging apparatus for coke dry quencher |
| CN201567088U (en) * | 2009-12-15 | 2010-09-01 | 成都建筑材料工业设计研究院有限公司 | Controllable flow rate anti-blocking discharger |
| CN103148481A (en) * | 2013-03-08 | 2013-06-12 | 大唐武安发电有限公司 | Double-discharge coal feeding system of CFB (Circulating Fluid Bed) boiler |
| CN205878217U (en) * | 2016-07-29 | 2017-01-11 | 河南濮润智能机械工程有限公司 | Purpose -built feeder of many coals |
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| CN106016332A (en) | 2016-10-12 |
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