CN201100629Y - Rubbish fuel boiler - Google Patents
Rubbish fuel boiler Download PDFInfo
- Publication number
- CN201100629Y CN201100629Y CNU2007200277787U CN200720027778U CN201100629Y CN 201100629 Y CN201100629 Y CN 201100629Y CN U2007200277787 U CNU2007200277787 U CN U2007200277787U CN 200720027778 U CN200720027778 U CN 200720027778U CN 201100629 Y CN201100629 Y CN 201100629Y
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- drum
- cold water
- communicated
- convection
- convection current
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Abstract
A refuse-burning boiler comprises a chassis, a boiler body and a steam drum, wherein the boiler body is installed on the chassis and a fire box is formed in the boiler body, then a chain grate is installed on the lower portion of the fire box, further the steam drum is fixed above the fire box. The refuse-burning boiler is characterized in that a feeding structure is installed on a feed opening of the boiler body, and the discharging opening of the feeding structure is coordinated with the chain grate, then a convection smoke chamber which is arranged on the side wall of the fire box is communicated with the upper side of the fire box, further a convection tube bundle is arranged in the convection smoke chamber, the upper portion of the convection tube bundle is communicated with the steam drum, and the lower portion of the convection tube bundle is communicated with a mud drum, further the lower portion of the boiler body is provided with a cold water tank which is communicated with the mud drum, and a smoke conduct is arranged on the rear side of the lower portion of the fire box. The refuse-burning boiler has the advantages that the refuse is evenly and continuously fed in the fire box, and the thorough burning of the refuse is guaranteed with high heat efficiency and thorough heat usage, then steam produced by the boiler is used by the small-sized electric power plant or provided to heating system, further the slag after burning is used in architectural material or auxiliary material for other purposes.
Description
Technical field
The utility model relates to a kind of garbage fuel boiler, belongs to field of boilers.
Background technology
At present,, in order to reach combustion refuse, and make full use of its heat energy, will guarantee the stable of boiler pressure during burning because house refuse structure disturbance, complicated component, moisture content height, calorific value are low.Therefore burning continuity, the stability of incinerator just seem very important, and existing incinerator is all improved by coal-burning boiler mostly, be generally the type of furnaces such as grate furnace, Martin furnace, rotary kiln, not only garbage treatment quantity is very little, and increased just that rubbish is carried out air blast is combustion-supporting and rubbish is carried out the stirring do not stop it is fully burnt, not only burning velocity is slow, and is discontinuous, and can not completing combustion, in the waste incineration process, be easy to generate dioxin, NO
xEtc. harmful substance.Along with social development and development of technology, people have done some and have improved on feed arrangement, and attempting to solve the problem of continuous feed, continuous burning, but effect is not ideal.
The utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of can continuous feed, garbage fuel boiler that the thermal efficiency is high.
The technical scheme that its technical problem that solves the utility model adopts is: the garbage fuel boiler, comprise base, body of heater and drum, body of heater is installed on the base, the inner burner hearth that forms, lower furnace portion is equipped with traveling-grate stoker, the burner hearth upper fixed connects drum, and it is characterized in that: the charging aperture of body of heater is equipped with feeding mechanism, the corresponding traveling-grate stoker of the discharging opening of feeding mechanism, burner hearth sidewall is provided with the convection current smoke-box, be communicated with the convection current smoke-box above burner hearth, convection current smoke-box inside is provided with convection bank, and convection bank top is communicated with drum, the bottom is communicated with mud drum, the outer bottom of body of heater is provided with cold water storage cistern, and cold water storage cistern is communicated with mud drum, and burner hearth below rear side sets out flue.
Be mixed with the rubbish of heavy oil or other fuel, be sprinkling upon continuously, equably by feeding mechanism and enter burner hearth on the traveling-grate stoker and burn, the flue gas that burning produces not only heats drum, and enter the convection current smoke-box from roof of the furnace, carry out heat exchange in convection current smoke-box inside with convection bank and mud drum, last flue gas is got rid of by smoke outlet flue.The high-temperature flue gas that the cold water of the cold water storage cistern around the traveling-grate stoker enters in mud drum and convection bank and the convection current smoke-box carries out heat exchange, and the hot water and the steam of generation enter drum.
The utility model wherein preferred version is:
Described feeding mechanism comprises scraper feeder and throwing machine, and the charging aperture of scraper feeder connects outside rubbish hopper, and discharging opening connects the charging aperture of throwing machine, and the discharging opening of throwing machine is installed in the top of traveling-grate stoker front end.Rubbish enters scraper feeder by hopper, evenly with the rubbish component, can prevent too much or very few influence burning by scraper feeder.Throwing machine is got rubbish, is distributed on the traveling-grate stoker, so that burning.The frame mode that scraper feeder and throwing machine all adopt known technology to realize.In feeding mechanism, drying mechanism can also be set, rubbish is dried.
Be disposed with air preheater and convection current pipe network in the described smoke outlet flue from top to bottom, the pipeline of convection current pipe network connects outside water facilities and drum respectively.Behind the high-temperature flue gas process convection current smoke-box that incineration firing produces, enter air preheater and convection current pipe network, air preheater and convection current pipe network can absorb the waste heat of hearth wall and flue gas, so that heat makes full use of.
The cold water storage cistern that the outer bottom of described body of heater is provided with can be corresponding preceding cold water wall header, back cold water wall header and the side cold water wall header that is provided with respectively at the front and back of traveling-grate stoker position side and left and right sides, and they are interconnected.
Described drum is provided with the pressure release water pipe, prevents that pressure is excessive, can the exhaust outlet pressure release.
Described mud drum, back cold water wall header and side cold water wall header also can be respectively arranged with the pressure release water pipe.
Compared with prior art, the beneficial effect that the utility model garbage fuel boiler is had is: rubbish can enter in the burner hearth continuously, equably, can guarantee the abundant burning of rubbish.Thermal efficiency height, heat can make full use of.The steam that boiler produced can be supplied with small power station and use, and also can supply with heating installation.Slag after the burning can be used for the auxiliary material of construction material or other purposes.
Description of drawings
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is the side-looking structural representation of Fig. 1,
Fig. 1, the 2nd, most preferred embodiment of the present utility model, wherein, 1, drum 2, burner hearth 3, smoke outlet flue 4, convection current pipe network 5, air preheater 6, pressure release water pipe 7, back cold water wall header 8, traveling-grate stoker 9, preceding cold water wall header 10, throwing machine 11, scraper feeder 12, pressure release water pipe 13, convection current smoke-box 14, convection bank 15, mud drum 16, pressure release water pipe 17, side cold water wall header 18, base 19, flue outlet 20 drainpipes
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, 2, body of heater is installed on the base 18, the inner burner hearth 2 that forms.Base 18 is provided with air inlet and flue outlet 19.Burner hearth 2 bottoms are equipped with traveling-grate stoker 8, and traveling-grate stoker 8 belows are provided with conventional air inlet, and burner hearth 2 upper fixed connect drum 1.Drum 1 is provided with water inlet, venthole and pressure release water pipe 12.Burner hearth 2 both sides are provided with the convection current smoke-box 13 that communicates with it, and convection current smoke-box 13 inside are provided with convection bank 14.Convection bank 14 tops are communicated with drum 1, and the bottom is communicated with mud drum 15.Cold water wall header 9 and back cold water wall header 7 before both sides, traveling-grate stoker 8 front and back are respectively arranged with, the left and right sides is provided with side cold water wall header 17.Preceding cold water wall header 9, back cold water wall header 7 and side cold water wall header 17 are interconnected and are communicated with mud drum 15.Back cold water wall header 7 is provided with pressure release water pipe 6, and pressure release water pipe 6 is communicated with outside, is used for pressure release.Side cold water wall header 17 is provided with pressure release water pipe 16, and cold water wall header 9 was used to cool off feeding mechanism before pressure release water pipe 16 was communicated with.Pressure release water pipe 12 and pressure release water pipe 16 can communicate with the external world respectively, also can communicate with the external world by drainpipe 20.Burner hearth 2 rear sides set out flue 3, are disposed with air preheater 5 and convection current pipe network 4 in the smoke outlet flue 3, and air preheater 5 is communicated with the slit of convection current pipe network 4, and the pipeline of convection current pipe network 4 connects outside water facilities and drum 1.
Feeding mechanism comprises scraper feeder 11 and throwing machine 10, and the charging aperture of scraper feeder 11 connects outside rubbish hopper, and discharging opening connects the charging aperture of throwing machine 10, and the discharging opening of throwing machine 10 is installed in the top of traveling-grate stoker 8 front ends.Rubbish enters scraper feeder 11 by hopper, evenly with the rubbish component, can prevent the too much or very few influence burning of rubbish by scraper feeder 11.Throwing machine 10 is got rubbish, is distributed on the traveling-grate stoker 8, so that burning.
Traveling-grate stoker 8 adopts common prior art to get final product.
The course of work: be mixed with the rubbish of heavy oil or other fuel, by sub-material, the scraper of feeding mechanism, charging is sprinkling upon and enters burner hearth 2 on the traveling-grate stoker 8 and burn.The high-temperature flue gas that burning produces heats the drum 1 at burner hearth 2 and top, and enters convection current smoke-box 13 from burner hearth 2 tops, carries out heat exchange in convection current smoke-box 13 inside with convection bank 14 and mud drum 15, and last flue gas is got rid of by smoke outlet flue 19.The high-temperature flue gas that the cold water of the preceding cold water wall header 9 around the traveling-grate stoker 8, back cold water wall header 7 and side cold water wall header 17 enters in mud drum 15 and convection bank 14 and the convection current smoke-box carries out heat exchange, and the hot water of generation and steam enter drum 1.Convection bank 14 is big near the part absorption heat of burner hearth 2, forms superheater bank, produces steam, enters drum 1.The high-temperature flue gas that incineration firing produces enters air preheater 5 and convection current pipe network 4 after flowing in burner hearth 2 and convection current smoke-box 13, the water that outside water facilities enters can here preheat.Air preheater 5 and convection current pipe network 4 can absorb the waste heat of flue gas, improve heat absorption efficient.
Claims (5)
1, a kind of garbage fuel boiler, comprise base (18), body of heater and drum (1), body of heater is installed on the base, the inner burner hearth (2) that forms, lower furnace portion is equipped with traveling-grate stoker (8), the burner hearth upper fixed connects drum, it is characterized in that: the charging aperture of body of heater is equipped with feeding mechanism, the corresponding traveling-grate stoker of the discharging opening of feeding mechanism, burner hearth sidewall is provided with convection current smoke-box (13), be communicated with the convection current smoke-box above burner hearth, convection current smoke-box (13) inside is provided with convection bank (14), and convection bank top is communicated with drum (1), the bottom is communicated with mud drum (15), the outer bottom of body of heater is provided with cold water storage cistern, and cold water storage cistern is communicated with mud drum (15), and burner hearth below rear side sets out flue (3).
2, garbage fuel boiler according to claim 1, it is characterized in that described feeding mechanism comprises scraper feeder (11) and throwing machine (10), the charging aperture of scraper feeder connects outside rubbish hopper, discharging opening connects the charging aperture of throwing machine, and the discharging opening of throwing machine is installed in the top of traveling-grate stoker front end.
3, garbage fuel boiler according to claim 1 is characterized in that being disposed with from top to bottom in the described smoke outlet flue (3) air preheater (5) and convection current pipe network (4), and the pipeline of convection current pipe network connects outside water facilities and drum (1) respectively.
4, garbage fuel boiler according to claim 1, it is characterized in that the cold water storage cistern that the outer bottom of described body of heater is provided with is corresponding preceding cold water wall header (9), back cold water wall header (7) and side cold water wall header (17) in the front and back of traveling-grate stoker position side and left and right sides setting, they are interconnected.
5, garbage fuel boiler according to claim 1 is characterized in that described drum (1), mud drum (15) and cold water storage cistern are respectively arranged with the pressure release water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277787U CN201100629Y (en) | 2007-09-16 | 2007-09-16 | Rubbish fuel boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200277787U CN201100629Y (en) | 2007-09-16 | 2007-09-16 | Rubbish fuel boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100629Y true CN201100629Y (en) | 2008-08-13 |
Family
ID=39937163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200277787U Expired - Fee Related CN201100629Y (en) | 2007-09-16 | 2007-09-16 | Rubbish fuel boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100629Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180177A (en) * | 2015-10-09 | 2015-12-23 | 中润祥环保科技有限公司 | Vortex type household waste incineration system |
-
2007
- 2007-09-16 CN CNU2007200277787U patent/CN201100629Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180177A (en) * | 2015-10-09 | 2015-12-23 | 中润祥环保科技有限公司 | Vortex type household waste incineration system |
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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: 20080813 Termination date: 20100916 |