CN201277583Y - Boiler coal feeder with novel vibration layering screen - Google Patents
Boiler coal feeder with novel vibration layering screen Download PDFInfo
- Publication number
- CN201277583Y CN201277583Y CNU2008201018159U CN200820101815U CN201277583Y CN 201277583 Y CN201277583 Y CN 201277583Y CN U2008201018159 U CNU2008201018159 U CN U2008201018159U CN 200820101815 U CN200820101815 U CN 200820101815U CN 201277583 Y CN201277583 Y CN 201277583Y
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- coal
- boiler
- coal supply
- layering
- supply tube
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Abstract
The utility model relates to a boiler coal feeder with new vibration delaminated screen, comprising a coal feeding hopper arranged on a feeder body, a coal feeding barrel arranged below a lower port of the coal feeding hopper and a coal chain grate entering an inner chamber of a boiler. The boiler coal feeder is characterized in that a delaminated screen plate is arranged below the coal feeing barrel, and a fulcrum of the delaminated screen plate is soft-connected with the feeder body. The boiler coal feeder is not only reasonable in design and beneficial to simplify the structures of a delaminated screen and the feeder body, but also can greatly increase coal combustion efficiency of the boiler and save energy.
Description
Technical field:
The utility model relates to a kind of boiler energy-saving coal feeder, particularly has the layering coal supply apparatus of novel vibrating layering screen.
Background technology:
At present, coal belongs to the important energy source of China, and Industrial Boiler is one of maximum equipment of consumption coal, in these boilers, just change chain-grate boiler and occupying significant proportion, the coal feeder of this boiler normally is provided with feeding-coal bucket at boiler forehearth exterior wall, the feeding-coal bucket bottom opening communicates with the traveling-grate stoker starting point, feeding-coal bucket is provided with the coal flashboard by the opening of burner hearth one side, bunker coal enters feeding-coal bucket from top to bottom, under driving, traveling-grate stoker enters burner hearth by the gap under the coal flashboard, the lifting of regulating the coal flashboard can change coal-supplying amount and coal seam thickness, this is simple in structure, but the unordered blending of various particle diameters in the bunker coal, under the flashboard extruding, enter burner hearth, cause coal closely knit, gas permeability is poor, lumped coal is distributed in the fire grate both sides, middle fine coal is more, cause the wind that goes back and forth between two places in the combustion process, middle nonflammable, produce the excessive burner hearth that enters of cold air thus, reduced temperature in the stove, can not fully be burnt in the coal seam, the powdery beans is taken up by air blast simultaneously, enters the flue discharging, has increased the weight of the pollution to atmosphere, even generation burner, the local wind that lacks, waste of fuel is serious, and boiler is difficult to reach nominal output.The patent No. provides a kind of boiler energy-saving coal feeder for 982267762; principal character is that housing top has additional water tank and circulating water pipe; the middle part is provided with the vibratory sieve of ratchet-shaped cylinder and inclination; and be provided with a spraying mechanism; this device can effectively improve fired coal combustion efficient; reduce flue dust, help environmental protection and prolong service life of equipment, but the effect of water tank is not fully utilized.The patent No. provides a kind of chain-grate boiler coal feeder that just changeing for 94214484.8, this device is provided with double-deck comb-tooth-type vibratory sieve, can carry out the vibrosieve layering to bunker coal, form the particle diameter branch and plant big little, loose smooth, the draughty coal-fired layer of, also be provided with built-in beam shape flashboard and segmentation swing box-shaped flashboard, both can allow particle diameter few coarse coal that exceeds standard to pass through, can prevent that again especially big coal cinder or foreign matter from entering coal feeder, though this device fuel availability height, coal adaptability is good, but the driving device structure complexity of vibratory sieve is unfavorable for simplifying board.
Summary of the invention:
The purpose of this utility model is to provide a kind of layering coal supply apparatus with novel vibrating layering screen, and this device not only helps coal-fired reasonable screening, and reasonable in design, helps simplifying the structure of layering screen and body.
The utility model comprises the feeding-coal bucket be located on the body, be positioned at the coal supply tube of feeding-coal bucket end opening below and stretch into the defeated coal traveling-grate stoker of body of heater inner chamber, it is characterized in that: described coal supply tube below is provided with the layering sieve plate, and the fulcrum of described layering sieve plate connects with body is soft.
The fulcrum of the utility model layering sieve plate connects with body is soft, thereby convenient bunker coal to different size particles carries out vibrosieve, form the distribution lumped coal in the bottom, Paniculate coal is at the reasonable layer coal on top, simplified the structure of vibratory sieve and board greatly, also improved boiler fired coal combustion efficient simultaneously, saved the energy.
Description of drawings:
Fig. 1 is the utility model structural representation;
Fig. 2 is the vertical view among Fig. 1;
Fig. 3 is the structural representation of the utility model water tank;
Fig. 4 is the structural representation of layering sieve plate.
The specific embodiment:
The utlity model has the coal supply apparatus for boiler of novel vibrating layering screen, comprise the feeding-coal bucket 2 be located on the body 1, be positioned at the coal supply tube 3 of feeding-coal bucket end opening below and stretch into the defeated coal traveling-grate stoker 4 of body of heater inner chamber, coal supply tube below is provided with layering sieve plate 14, the fulcrum of described layering sieve plate connects with body is soft, described fulcrum 16 is connected with the alternate broach of length 15, and fulcrum is provided with variant-frequency vibration motor 18; The rubber shaft bearing seat ring 17 of fulcrum 16 on being installed on organism sidewall passes outside the organism sidewall, and variant-frequency vibration motor 18 is arranged on the end that passes the outer fulcrum of organism sidewall.
Layer coal distributes in order more to help rationally, make the more abundant and raising boiler output of coal burning, fundamentally solve the traveling-grate stoker coal-blocking phenomenon, but the upside of defeated coal traveling-grate stoker 4 close body of heater coal feed points is provided with the water tank 5 that is used to seal gap between body of heater coal feed point and up-down adjustment and the defeated coal traveling-grate stoker.For preventing that cold wind from entering burner hearth; reduce thermal loss; prevent tempering; avoid the generation of fire; adopt the water tank type protective device, water tank has two interface tubes, and its below interface is a cooling water inlet 8; its top be a hot water outlet 9, thereby guaranteeing that water tank temperature remains is in the relative temperature constant state of upper heat and lower cold and is out of shape to prevent water case coal feeder.
For the ease of periodic cleaning coal supply tube, the exterior panel of above-mentioned body is provided with the dodge gate 19 in order to the long-pending thing of cleaning coal supply tube, described dodge gate is provided with observes perspective window 20, so that observe the running status of coal supply tube by peep hole, when the coal supply tube need be cleared up, coal supply tube clearance activity plate can be opened quick cleaning coal supply tube, save clearance time and task difficulty.
Above-mentioned coal supply tube and body be connected to that flange flexibly connects so that the dismounting maintenance, described feeding-coal bucket is skewed near body of heater one side, avoided causing the space waste with straight-plate-type, increased the dischargeable capacity of feeding-coal bucket, reduce fireman's operation intensity, make water tank temperature be in the state of the relative constant temperature of upper heat and lower cold all the time.
Of the present utility model pair of worm gear divides coal device 21 to adopt spiral in the same way, the mode of counter-rotating, and the coal cinder machinery that surpasses a certain size in the described feeding-coal bucket 2 is pulverized, stir the coal in the feeding-coal bucket 2, make it loose, simultaneously it is divided into two parts up and down, can alleviate the pressure of coal to the bottom, loose coal in the feeding-coal bucket 2 is at fixing spillplate 10, under the effect of sliding coal plate 22 of guiding and gravity, flow to detachable coal supply tube 3, behind coal supply tube 3 even coal supplies, be from coal dropping port that waterfall stream shape is loose to fall on detachable layering sieve plate 14,, big lumped coal landing moved at the fire grate rear with fire grate in stove through its layering, less powder Paniculate coal relies on self gravitation to drop to lentamente and has on the fire grate above the relatively large shape coal seam, form lumped coal in the bottom on fire grate, Paniculate coal is at the reasonable layer coal on top.
Claims (7)
1, a kind of coal supply apparatus for boiler with novel vibrating layering screen, comprise the feeding-coal bucket be located on the body, be positioned at the coal supply tube of feeding-coal bucket end opening below and stretch into the defeated coal traveling-grate stoker of body of heater inner chamber, it is characterized in that: described coal supply tube below is provided with the layering sieve plate, and the fulcrum of described layering sieve plate connects with body is soft.
2, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 1, it is characterized in that: the rubber shaft bearing seat ring that described beam warp is installed on the organism sidewall passes outside the organism sidewall, described fulcrum is provided with the variant-frequency vibration motor, and the variant-frequency vibration motor is arranged on the end that passes the outer fulcrum of organism sidewall.
3, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 1 and 2 is characterized in that: but the upside of the close body of heater coal feed point of described defeated coal traveling-grate stoker is provided with the water tank that is used to seal gap between body of heater coal feed point and up-down adjustment and the defeated coal traveling-grate stoker.
4, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 3 is characterized in that: gap between the coal traveling-grate stoker is regulated and failed to described water tank by height adjustment mechanism up and down.
5, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 4 is characterized in that: described water tank below is provided with cooling water inlet, and the top is provided with hot water outlet.
6, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 5, it is characterized in that: described coal supply tube oblique upper is provided with the fixedly spillplate that has certain interval with the coal supply tube, described fixedly spillplate one side is provided with the adjustable spillplate with gear bar, and described adjustable spillplate embeds in the guide rail of fixing spillplate also and can move to regulate the gap between itself and the coal supply tube along guide rail.
7, the coal supply apparatus for boiler with novel vibrating layering screen according to claim 5 is characterized in that, the exterior panel of described body is provided with the dodge gate in order to the long-pending thing of cleaning coal supply tube, and described dodge gate is provided with observes the perspective window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201018159U CN201277583Y (en) | 2008-04-01 | 2008-04-01 | Boiler coal feeder with novel vibration layering screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201018159U CN201277583Y (en) | 2008-04-01 | 2008-04-01 | Boiler coal feeder with novel vibration layering screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277583Y true CN201277583Y (en) | 2009-07-22 |
Family
ID=40895169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201018159U Expired - Fee Related CN201277583Y (en) | 2008-04-01 | 2008-04-01 | Boiler coal feeder with novel vibration layering screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201277583Y (en) |
-
2008
- 2008-04-01 CN CNU2008201018159U patent/CN201277583Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20110401 |