CN201973724U - Novel waste incineration exhaust heat boiler - Google Patents
Novel waste incineration exhaust heat boiler Download PDFInfo
- Publication number
- CN201973724U CN201973724U CN2010205462860U CN201020546286U CN201973724U CN 201973724 U CN201973724 U CN 201973724U CN 2010205462860 U CN2010205462860 U CN 2010205462860U CN 201020546286 U CN201020546286 U CN 201020546286U CN 201973724 U CN201973724 U CN 201973724U
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- burner hearth
- gas passage
- described burner
- boiler furnace
- waste heat
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Abstract
The utility model discloses a novel waste incineration exhaust heat boiler, which comprises a boiler furnace, a boiler furnace inlet and a boiler furnace outlet. The boiler furnace inlet is arranged at the front end of a flue gas passage in the boiler furnace. The boiler furnace outlet is arranged at the tail end of the flue gas passage in the boiler furnace. The flue gas passage in the boiler furnace between the boiler furnace inlet and the boiler furnace outlet is set to be in a variable section structure. The length L (meter) of the flue gas passage in the boiler furnace is greater than or equal to a value obtained by multiplying the maximum flow rate V (meter/second) of fuel gas in the boiler furnace by the T (second), i.e. L is greater than or equal to V*T, wherein the T is equal to 2 seconds. An auxiliary combustion engine is arranged in the boiler furnace. The waste incineration exhaust heat boiler provided by the utility model has the characteristics that garbage is sufficiently burnt; the discharge of toxic and harmful substances is effectively reduced; the boiler furnace adopts a membrane-type water cooling wall structure; a membrane-type water cooling wall has an obvious sealing performance; the heat exchange efficiency is high; dust is difficult to accumulate; the using efficiency is high; and the service life is long.
Description
Technical field
The utility model belongs to boiler manufacturing technology field, specifically, relates to a kind of refuse incineration waste heat boiler.
Background technology
Garbage disposal has become a global problem, and countries in the world are all developed treatment facility and the method to rubbish one after another.At present, processing most countries to rubbish adopts refuse incineration exhaust-heating boiler that rubbish is carried out burning disposal, a kind of treatment technology that incineration treatment of garbage is the whole world present stage garbage disposal minimizing, resource, innoxious degree is the highest, and the heat energy that burn to produce can heat supply or generating, the inner poisonous and harmful element of rubbish obtains decomposing after the high temperature incineration process simultaneously, so incineration treatment of garbage is the effective technology that is fit to the big and medium-sized cities garbage disposal demand that Economic Development is rapid, land resource is nervous, garbage disposal is difficult.
Refuse incineration exhaust-heating boiler of the prior art, usually adopt common waste gas of incineration boiler to carry out, the burner hearth inside of described common waste gas of incineration boiler is the straight barrel type project organization that size diameter equates, and common waste gas of incineration boiler does not improve according to the characteristics of waste incineration and optimizes, and causes existing following many technical problems:
1, adopts existing waste gas of incineration boiler that rubbish is burned, can not adapt to the characteristics that refuse thermal value is low, moisture is high, usually cause waste incineration insufficient.
2, adopt existing waste gas of incineration boiler that rubbish is burned, existing waste gas of incineration boiler structurally can not fully satisfy the characteristics of incineration firing, usually produces a large amount of toxic and harmfuls.
3, adopt existing waste gas of incineration boiler that rubbish is burned, inefficiency, the time consuming time is long, disposal of refuse cost height.
The utility model content
The technical scheme that the utility model provides technical problem to be solved is, adopt existing waste gas of incineration boiler that rubbish is burned, can not adapt to the characteristics that refuse thermal value is low, moisture is high, usually cause waste incineration insufficient, usually produce a large amount of toxic and harmfuls, inefficiency, the time consuming time is long, disposal of refuse cost high-technology problem, and a kind of refuse incineration waste heat boiler is provided.
Technical scheme provided by the utility model is, a kind of refuse incineration waste heat boiler, comprise burner hearth, burner hearth import department and furnace outlet place, described burner hearth import department is arranged on the front end of described burner hearth inner gas passage, described furnace outlet place is arranged on the end of described burner hearth inner gas passage, burner hearth inner gas passage between described burner hearth import department and furnace outlet place is made as variable section structure, the length L of described burner hearth inner gas passage (rice) multiply by T (second) more than or equal to flue gas Peak Flow Rate V (meter per second) in the described burner hearth, be L 〉=V * T, described T is 2 seconds; Be provided with the auxiliary combustion machine in the described burner hearth.
Described auxiliary combustion machine is arranged on the wall of described burner hearth middle part, on the both walls of described burner hearth middle part a described auxiliary combustion machine is set respectively.
The integral body of described burner hearth inner gas passage is the serpentine of cleanliness.
One end in the vertical direction of the close described burner hearth of described burner hearth inner gas passage import department has certain gradient.
Described gradient is meant an end of the close described burner hearth of described burner hearth inner gas passage import department and the angle of vertical direction, and described angle is 0 degree-60 degree.Preferred described angle is 30 degree-45 degree.
Described burner hearth inner gas passage is provided with " slimwaist type " structure near an end at described furnace outlet place.
Described burner hearth inner gas passage diminishes earlier near the cross section of an end at described furnace outlet place, it is big that the back becomes, and the front end at the minimum place of described burner hearth exhaust gases passes cross section and the angle of vertical direction are smaller or equal to the rear end at the minimum place of described burner hearth exhaust gases passes cross section and the angle on the vertical direction.
Described refuse incineration exhaust-heating boiler burner hearth is provided with fin panel casing, and described fin panel casing is constituted by some cooling water pipes and steel plate.
Institute's furnace depth adapts with the inverse-push inclined reciprocating fire grate width that is mated.
Adopt technical scheme provided by the utility model, can effectively solve and adopt existing waste gas of incineration boiler that rubbish is burned, it is low to adapt to refuse thermal value, the characteristics that moisture is high, usually cause waste incineration insufficient, usually produce a large amount of toxic and harmfuls, inefficiency, time consuming time is long, disposal of refuse cost high-technology problem, simultaneously, refuse incineration exhaust-heating boiler provided by the utility model has the rubbish of making and fully burns, effectively lower the poisonous and harmful substance discharging, burner hearth adopts film water cold wall structure, and the fin panel casing sealing property is remarkable, and the heat exchange efficiency height, also be difficult for dust stratification; The service efficiency height, characteristics such as long service life.
Description of drawings
In conjunction with the accompanying drawings, the utility model is described further:
Fig. 1 is the utility model structural representation;
Wherein, 1 is burner hearth; 2 is burner hearth import department; 3 is the furnace outlet place; 4 is slimwaist type; 5 is the inverse-push inclined reciprocating fire grate, and 6 is the auxiliary combustion machine.
The specific embodiment
As shown in Figure 1, design of the present utility model provides a kind of waste gas of incineration boiler that can adapt to the characteristics that the house refuse calorific value is low, moisture is high, the utility model waste gas of incineration boiler adopts the burning facility of international advanced technology, and on burner hearth 1 project organization, take into full account the characteristics of incineration firing, consider the degree of filling of flue gas in burner hearth 1 to greatest extent, prevent that pernicious gas from producing, and boiler is to the influence of surrounding environment health generation.
Technical scheme provided by the utility model is a kind of refuse incineration waste heat boiler, comprise burner hearth 1, burner hearth import department 2 and furnace outlet place 3, described burner hearth import department 2 is arranged on the front end of described burner hearth 1 inner gas passage, described furnace outlet place 3 is arranged on the end of described burner hearth 1 inner gas passage, burner hearth 1 inner gas passage between described burner hearth import department 2 and furnace outlet place 3 is made as variable section structure, the length L (rice) of described burner hearth 1 inner gas passage multiply by T (second) more than or equal to flue gas Peak Flow Rate V (meter per second) in the described burner hearth 1, be L 〉=V * T, described T is 2 seconds.
Described burner hearth 1 inner gas passage is made as variable section structure, has guaranteed that flue gas satisfies the degree of filling of burner hearth 1 to greatest extent in the waste gas of incineration boiler, satisfy the abundant burning of rubbish to greatest extent.The length L (rice) of burner hearth 1 inner gas passage multiply by T (second) more than or equal to flue gas Peak Flow Rate V (meter per second) in the described burner hearth 1, be L 〉=V * T, guarantee that to greatest extent the time of flue gas in burner hearth 1 was above 2 seconds, when even flue gas flow rate is maximum, can guarantee that also the time of flue gas in burner hearth 1 equals or exceeds 2 seconds, this structure has guaranteed the decomposition of pernicious gas (particularly dioxin).Highly the decomposition that prevents pernicious gas (particularly dioxin) is considered in design, and flue gas will be more than the time of staying 2s in stove.
Be provided with auxiliary combustion machine 6 in the described burner hearth 1, described auxiliary combustion machine 6 is arranged on the described burner hearth 1 middle part wall, on described burner hearth 1 middle part both walls a described auxiliary combustion machine 6 is set respectively.On the described burner hearth 1 middle part both walls auxiliary combustion machine 6 is set respectively, is used for boiler startup and aftercombustion.Help reducing toxic and harmful discharging in the flue gas, help the abundant burning of rubbish.
The integral body of described burner hearth 1 inner gas passage is the serpentine of cleanliness, and this structure has guaranteed that the circulation of flue gas in burner hearth 1 is smooth and easy.
One end in the vertical direction of the close described burner hearth of described burner hearth 1 inner gas passage import department 2 has certain gradient.Described gradient is meant an end of the close described burner hearth of described burner hearth 1 inner gas passage import department 2 and the angle of vertical direction, and described angle is 0 degree-60 degree.Preferred described angle is 30 degree-45 degree.To be that exhaust gases passes is whole have certain included angle with vertical direction to described gradient, and the formation of this angle specifically can realize according to the outermost end outline line of the cross section of this exhaust gases passes vertical direction and the angle of vertical direction.This structure has guaranteed that flue gas satisfies the degree of filling of burner hearth 1 to greatest extent in the waste gas of incineration boiler, satisfy the abundant burning of rubbish to greatest extent.
Described burner hearth 1 inner gas passage is provided with " slimwaist type 4 " structure near an end at described furnace outlet place 3.Described burner hearth 1 inner gas passage diminishes earlier near the cross section of an end at described furnace outlet place 3, it is big that the back becomes, and the front end (outline line of the vertical direction of exhaust gases passes outermost end) at the minimum place of described burner hearth 1 exhaust gases passes cross section and the angle of vertical direction are smaller or equal to the angle on the rear end (outline line of the vertical direction of exhaust gases passes outermost end) at the minimum place of described burner hearth 1 exhaust gases passes cross section and the vertical direction.This structure has guaranteed backflow, the relatively circulation of flue gas in burner hearth 1, has guaranteed that flue gas satisfies the degree of filling of burner hearth 1 to greatest extent in the waste gas of incineration boiler, satisfy the abundant burning of rubbish to greatest extent.
Described refuse incineration exhaust-heating boiler burner hearth 1 is provided with fin panel casing, and described fin panel casing is constituted by some cooling water pipes and steel plate.Refuse incineration exhaust-heating boiler burner hearth 1 adopts film water cold wall structure, and the fin panel casing sealing property is remarkable, and the heat exchange efficiency height, also is difficult for dust stratification.
Institute's burner hearth 1 degree of depth adapts with inverse-push inclined reciprocating fire grate 5 width that mated.Described refuse incineration exhaust-heating boiler cooperates with inverse-push inclined reciprocating fire grate 5, and the design on burner hearth 1 degree of depth is complementary the two.
The foregoing description only is a most preferred embodiment of the present utility model, and any deformation design scheme in the utility model design all is a protection domain of the present utility model.
Claims (10)
1. refuse incineration waste heat boiler, comprise burner hearth (1), burner hearth import department (2) and furnace outlet place (3), described burner hearth import department (2) is arranged on the front end of described burner hearth (1) inner gas passage, described furnace outlet place (3) is arranged on the end of described burner hearth (1) inner gas passage, it is characterized in that, burner hearth (1) inner gas passage between described burner hearth import department (2) and furnace outlet place (3) is made as variable section structure, the length L rice of described burner hearth (1) inner gas passage multiply by T second more than or equal to the interior flue gas Peak Flow Rate of described burner hearth (1) V meter per second, be L 〉=V * T, described T is 2 seconds; Be provided with auxiliary combustion machine (6) in the described burner hearth (1).
2. a kind of refuse incineration waste heat boiler according to claim 1 is characterized in that, described auxiliary combustion machine (6) is arranged on the wall of described burner hearth (1) middle part, on the both walls of described burner hearth (1) middle part a described auxiliary combustion machine (6) is set respectively.
3. a kind of refuse incineration waste heat boiler according to claim 1 and 2 is characterized in that, the integral body of described burner hearth (1) inner gas passage is the serpentine of cleanliness.
4. a kind of refuse incineration waste heat boiler according to claim 3 is characterized in that, described burner hearth (1) inner gas passage has certain gradient near an end in the vertical direction of described burner hearth import department (2).
5. a kind of refuse incineration waste heat boiler according to claim 4 is characterized in that, described gradient is meant described burner hearth (1) inner gas passage near an end of described burner hearth import department (2) and the angle of vertical direction, and described angle is 0 degree-60 degree.
6. a kind of refuse incineration waste heat boiler according to claim 5 is characterized in that, described angle is 30 degree-45 degree.
7. according to claim 4 or 5 or 6 described a kind of refuse incineration waste heat boilers, it is characterized in that described burner hearth (1) inner gas passage is provided with " slimwaist type (4) " structure near an end at described furnace outlet place () 3.
8. according to claim 4 or 5 or 6 described a kind of refuse incineration waste heat boilers, it is characterized in that, described burner hearth (1) inner gas passage diminishes earlier near the cross section of an end at described furnace outlet place (3), it is big that the back becomes, and the front end at the minimum place of described burner hearth (1) exhaust gases passes cross section and the angle of vertical direction are smaller or equal to the rear end at the minimum place of described burner hearth (1) exhaust gases passes cross section and the angle on the vertical direction.
9. any according to Claim 8 described a kind of refuse incineration waste heat boiler is characterized in that described fin panel casing is constituted by some cooling water pipes and steel plate.
10. a kind of refuse incineration waste heat boiler according to claim 9 is characterized in that, institute's burner hearth (1) degree of depth adapts with inverse-push inclined reciprocating fire grate (5) width that is mated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205462860U CN201973724U (en) | 2010-09-26 | 2010-09-26 | Novel waste incineration exhaust heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205462860U CN201973724U (en) | 2010-09-26 | 2010-09-26 | Novel waste incineration exhaust heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201973724U true CN201973724U (en) | 2011-09-14 |
Family
ID=44578826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205462860U Expired - Fee Related CN201973724U (en) | 2010-09-26 | 2010-09-26 | Novel waste incineration exhaust heat boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201973724U (en) |
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2010
- 2010-09-26 CN CN2010205462860U patent/CN201973724U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20170926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |