CN2429740Y - Fire grate with reciprocal feeding and layered blowing - Google Patents
Fire grate with reciprocal feeding and layered blowing Download PDFInfo
- Publication number
- CN2429740Y CN2429740Y CN 00241250 CN00241250U CN2429740Y CN 2429740 Y CN2429740 Y CN 2429740Y CN 00241250 CN00241250 CN 00241250 CN 00241250 U CN00241250 U CN 00241250U CN 2429740 Y CN2429740 Y CN 2429740Y
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- Prior art keywords
- fire grate
- utility
- model
- layered
- roller
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Abstract
The utility model relates to a fire grate device with reciprocating feeding and layered air supply, which is mainly composed of a fire grate frame, layered air supplying fire grate pieces and a transmission mechanism, wherein both sides of the fire grate pieces in the utility model are provided with air supplying slot passages in a layered mode and two to eight fire grate pieces as one group are fastened into a whole and then are installed. The utility model not only ensures oxygen quantity required by the combustion of fuel on different sections along fuel layers so as to enhance combustion efficiency, but also cools air when the air on each layer is jetted by the heads of the fire grate pieces so as to avoid the problem of burning out the heads of the fire grate pieces and effectively extend the service life of the fire grate pieces.
Description
The utility model relates to boiler manufacturing, transformation and heat enginnering field.
The present mechanization coal burning layered boiler that uses, its combustion apparatus mainly contains two big classes, i.e. traveling-grate stoker and back and forth push away grate.Traveling-grate stoker cost height requires harshness to ature of coal, and burn rate is low, and load adaptability is poor; The common grate that back and forth pushes away, fire grate segment head burn out rate height, it is serious to leak coal, and the transmission fault is many, and efficiency of combustion is low, and maintenance cost is big.
The utility model purpose is at the existing common deficiency that back and forth pushes away grate, fundamentally eliminates its fire grate segment head scaling loss, mechanical breakdown and seriously leaks problems such as coal.A kind of simple in structure, ensuring smooth transmission is provided, anti-ly burns a kind of efficient burning durable, that operation and maintenance cost is cheap and back and forth push away and raise layering air feed fire grate device.
The utility model is achieved in that the utility model mainly is made up of fixing vertical (horizontal stroke) beam of fire grate fixed support, wind (ash) chamber, fire grate, movable vertical (horizontal stroke) beam of fire grate, fire grate transmission mechanism, fire grate sealing block and various layering air feed fire grate segment.Wherein layering air feed fire grate segment 2 is installed on fire grate fixed cross beam 6 and the moved cross beam 8, fire grate sealing block 12 is installed near the limit fire grate segment 16, fire grate fixed cross beam 6 and moved cross beam 8 are installed in fixedly on the longeron 7 and moveable longitudinal beam 9, fire grate fixedly longeron 7 is installed on the fire grate fixed support 4, fire grate moveable longitudinal beam 9 is installed on the furnace grate support 4 with roller 10 transmissions, established angle 〉=0 of fire grate moveable longitudinal beam 9 and horizontal plane °, fire grate running part 3 is made up of machinery or hydraulic mechanism, be loaded on the stokehold, be connected with fire grate moveable longitudinal beam 9 by pull bar 23, fire grate segment 14 two sides layerings have the air feed conduit, the conduit diameter is between the 4-12 millimeter, and fire grate segment is installed on fire grate fixed cross beam 6 and the moved cross beam 8 after being fastened as one by 2 to 8.Fixed head 22 is connected with roller fixed frame 17, inboard at the horizontal plane of roller fixed frame 17 by fixture block 18 on the bolting one, at fixed head 22 and roller fixed frame 17 vertical direction inboards one roller spacer pin 19 is arranged respectively, roller 10 is in the middle of two roller spacer pins, following fixture block 20 is arranged below the roller 10, following fixture block 20 is fixed on the carriage 21, roller 10 is a spherical shape, there is inward recess at two ends, roller 10 also can be cylindrical, upper and lower bottom surface is convex or plane, and there is inward recess at the cylinder two ends.It below furnace grate support 4 wind (ash) chamber 5, directive wheel 11 leans against the outside of moveable longitudinal beam 9, big fire grate segment 13 is the most front-seat whole fire grate, standard stove screening 14 is in the centre of whole fire grate, regulate the both sides of fire grate segment 15 at whole fire grate, limit fire grate segment 16 is first row of whole fire grate both sides, near sealing block 12.The utility model just becomes back and forth to push away with the evaporimeter of producing steam, hot water and hot blast or heat exchanger combination raises layering air feed steam boiler, hot-water boiler and hot-blast stove.During stove work, by special fuel (coal, other solid fuel or municipal refuse) feedway fuel is sent on the fire grate 2 equably, be installed in the fire grate segment 2 on the moved cross beam 8, under the driving of transmission mechanism 3, forward and backward mobile and reciprocating with moveable longitudinal beam 9, thus make the fuel bed that places on the fire grate segment 2 by loosening and by doing even displacement behind the forward direction.The air compartment 5 of the needed air of fuel combustion below support 4 sent into fuel bed through fire grate segment 2 two sides each layer air feed conduit layerings, so not only can in time guarantee the needed sufficient oxygen amount of fuel combustion on the fuel bed different section, improve efficiency of combustion, and since each layer of air penetrate and 2 heads of cool furnace screening constantly by fire grate segment 2 heads, this has just fundamentally solved fire grate segment 2 head burning problems, thus the service life of effectively having improved fire grate segment 2.
The utility model is simple in structure, makes easy for installationly, and equipment manufacturing cost and operation and maintenance cost are low, and fan resistance is little, and the efficiency of combustion height is stable, long service life.Be applicable to various grate firing boilers and hot-blast stove.Compare with the grate that back and forth pushes away of present use, this fire grate device does not leak ickings substantially, and the layering air distribution utmost point meets fuel combustion characteristics, can improve efficiency of combustion more than 5%.Because the easy scaling loss of fire grate segment position head is fully cooled off, and improves service life more than 3 times.
Fig. 1 is the utility model principle assumption diagram.
Fig. 2 is the utility model Figure 1A-A cutaway view.
Fig. 3 is the utility model fire grate segment principle assumption diagram.
Fig. 4 is the side view of the utility model Fig. 3.
Fig. 5 is the front view of second kind of enforcement of the utility model roller.
Fig. 6 is the front view of the third enforcement of the utility model roller.
Embodiment:
The utility model is applied on the boiler, and the boiler thermal output height reaches more than 80%; Load up is fast, and thermal starting promptly reaches specified operational factor about 30 minutes; The fire grate segment long service life, long-term none fire grate segment scaling loss of operation continuously.
Claims (2)
1, a kind of back and forth pushing away raised layering air feed fire grate device, mainly comprise fire grate framework [1], layering air feed fire grate segment [2], fire grate transmission mechanism [3], fire grate fixed cross beam [6], moved cross beam [8], fire grate moveable longitudinal beam [9] and roller [10] are formed, it is characterized in that: fire grate segment [2] the two sides layering that is installed on the fire grate framework [1] has the air feed conduit, its head is stepped, after being fastened as one by 2 to 8 one group, fire grate segment is installed on fire grate fixed cross beam [6] and the moved cross beam [8], established angle α 〉=0 of fire grate moveable longitudinal beam [9] and horizontal plane °, roller [10] is a spherical shape, and there is inward recess at two ends.
2, device according to claim 1 is characterized in that: be installed in roller [10] on the fire grate moveable longitudinal beam [9] and also can be cylindrically, last bottom surface is convex or plane, and there is inward recess at the cylinder two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241250 CN2429740Y (en) | 2000-07-13 | 2000-07-13 | Fire grate with reciprocal feeding and layered blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241250 CN2429740Y (en) | 2000-07-13 | 2000-07-13 | Fire grate with reciprocal feeding and layered blowing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2429740Y true CN2429740Y (en) | 2001-05-09 |
Family
ID=33601759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00241250 Expired - Lifetime CN2429740Y (en) | 2000-07-13 | 2000-07-13 | Fire grate with reciprocal feeding and layered blowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2429740Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679386A (en) * | 2012-05-30 | 2012-09-19 | 郭丰亮 | Automatic stepped biomass feeding device |
-
2000
- 2000-07-13 CN CN 00241250 patent/CN2429740Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679386A (en) * | 2012-05-30 | 2012-09-19 | 郭丰亮 | Automatic stepped biomass feeding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| FG1K | Grant of utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010509 |