CN202328171U - Coal-burning boiler provided with novel fire-spraying plate - Google Patents
Coal-burning boiler provided with novel fire-spraying plate Download PDFInfo
- Publication number
- CN202328171U CN202328171U CN2011204539022U CN201120453902U CN202328171U CN 202328171 U CN202328171 U CN 202328171U CN 2011204539022 U CN2011204539022 U CN 2011204539022U CN 201120453902 U CN201120453902 U CN 201120453902U CN 202328171 U CN202328171 U CN 202328171U
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- coal
- flame plate
- burning boiler
- cold water
- arch
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Abstract
The utility model relates to a coal-burning boiler provided with a novel fire-spraying plate, comprising a hearth body, wherein a boiler furnace is arranged at the upper part of the hearth body, and a chain grate is arranged at the lower part of the hearth body; a front arch and a rear arch are arranged in the hearth body; the fire-spraying plate is arranged between the rear arch and the boiler furnace and is internally provided with a fire-communicating hole; the rear section of the rear arch and the fire-spraying plate are internally provided with cold water pipes; the boiler furnace is connected with a heat recovery device by a pipeline; and the heat recovery device is connected with a desulfurization deduster of a triple tower. Therefore, the coal-burning boiler has the advantages that the defects such as high coal requirement and low burning efficiency of the traditional boiler in the prior art are overcome, the application range of coal can be expanded, the burning efficiency can be improved, the emission of cinder and harmful substances is reduced, and meanwhile, the problem of coking of the fire-spraying plate also can be effectively reduced and avoided.
Description
One, technical field:
The utility model relates to a kind of coal-burning boiler that is provided with novel flame plate.
Two, background technology:
Coal-burning boiler with coal after the burner internal combustion; Heating produces steam or hot water to the heat that produces to cold water; Can also can convert mechanical energy into directly for commercial production and people's lives provide necessary energy, or be electric energy through generator with mechanical switch again through Steam Power Equipment.
The kind of coal-burning boiler is a lot, and wherein, chain grate boiler comprises coal inlet device, burner hearth, flue, traveling-grate stoker and air supply device, and coal inlet device is installed in the front portion of burner hearth, and burner hearth is erected at the top of traveling-grate stoker and air supply device, is laid with chimney arch in the burner hearth.Raw coal can be tiled on the traveling-grate stoker through coal inlet device, and traveling-grate stoker is transported to coal cinder in the burner hearth, and coal cinder is made layer combustion in burner hearth.
Chain grate boiler needs ature of coal coal preferably usually, and the scope of application of coal is little, and is easy to generate a large amount of cinders and pernicious gas, and environmental pollution is bigger.Simultaneously, because fire box temperature is very high, make a lot of fusible metal elements be liquefied even vaporize, liquefaction metal parcel soot dust granule is bonded on the flame plate, thereby forms the logical fire hole of coking and blocking, influences the normal use of boiler when serious.
Three, utility model content:
The utility model provides a kind of coal-burning boiler that is provided with novel flame plate; Conventional boiler requires high in the known technology to coal to solve; The defective that efficiency of combustion is low can improve the scope of application of coal, improves efficiency of combustion; Reduce the discharging of cinder and nuisance, the while can also effectively reduce and avoid the flame burnt problem that hardens.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is: a kind of coal-burning boiler that is provided with novel flame plate comprises the burner hearth body; Burner hearth body top is provided with flue; The bottom is provided with traveling-grate stoker, is provided with face arch and rear arch in the described burner hearth body, is provided with the flame plate between described rear arch and the flue; Be provided with logical fire hole in the flame plate; Be provided with cold water pipe in the back segment of described rear arch and the flame plate, described flue is connected with heat reclamation device through pipeline, and heat reclamation device and three connects the tower desulfurizing dust-collector and is connected.
Described logical fire hole is towards the aperture of a stomidium of face arch footpath greater than the other end.
One end of described cold water pipe is connected with cold water storage cistern, and the other end is connected with flue.
Described three connect the tower desulfurizing dust-collector is provided with exhanst gas outlet.
One side chain bar fire grate of described burner hearth body is provided with coal bunker.
Described logical fire hole is provided with at least one, and it is shaped as circular platform type or ladder pass.
Described cold water pipe is parallel line type or the setting of S type.
Compared with prior art, advantage and the effect that the utlity model has are following: can improve the scope of application of coal, improve efficiency of combustion, reduce the discharging of cinder and nuisance, the while can also effectively reduce and avoid the flame burnt problem that hardens.
Four, description of drawings:
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the utility model flame plate structure sketch map;
Fig. 3 is the circular platform type sketch map for logical fire hole in the flame plate;
Fig. 4 is the notch cuttype sketch map for logical fire hole in the flame plate;
Fig. 5 is the S-type layout drawing of cold water pipe;
Fig. 6 is the parallel lines layout drawing for cold water pipe.
Among the figure: 1-burner hearth body; The 2-traveling-grate stoker; The 3-face arch; The 4-cold water storage cistern; The 5-rear arch; The 6-cold water pipe; 7-flame plate; 8-leads to fire hole; The 9-flue; The 10-coal bunker; The 11-heat reclamation device; 12-three connects the tower desulfurizing dust-collector; The 13-exhanst gas outlet.
Five, the specific embodiment:
Referring to Fig. 1 and Fig. 2: the utility model comprises burner hearth body 1, and burner hearth body 1 top is provided with flue 9, and the bottom is provided with traveling-grate stoker 2; One side chain bar fire grate 2 of described burner hearth body 1 is provided with coal bunker 10, is provided with face arch 3 and rear arch 5 in the described burner hearth body 1, and burner hearth body 1, face arch 3 and rear arch 5 are structure as a whole; Face arch 3 is arranged at the front portion of burner hearth body 1; Its upper end is connected with the upper wall of burner hearth body 1, and rear arch 5 is arranged at the rear portion of burner hearth body 1, and its lower end is connected with burner hearth body sidewall; Form the flue gas port between upper end and the face arch 3; Be provided with flame plate 7 between described rear arch 5 and the flue 9, face arch 3, rear arch 5, burner hearth body upper wall, flame plate 7 and fire grate 2 are divided into the first combustion chamber I with the burner hearth body, the second combustion chamber II and the 3rd combustion chamber III.Wherein: the space that rear arch 5, face arch 3 and traveling-grate stoker 2 are cut apart is the first combustion chamber I; The space that rear arch 5 leading portion tops, flame plate 7 left sides, burner hearth 1 upper wall form is the second combustion chamber II; The space that rear arch 5 back segment tops and flame plate 7 right sides, burner hearth body 1 upper wall, right side wall form is the 3rd combustion chamber III.Be provided with at least one in the flame plate 7; It is shaped as the logical fire hole 8 of circular platform type or ladder pass, and greater than the aperture of the other end, described flue 9 is connected with heat reclamation device 11 through pipeline logical fire hole 8 towards the stomidium footpath of face arch 3; Heat reclamation device 11 and three connects tower desulfurizing dust-collector 12 and is connected; Described three connect tower desulfurizing dust-collector 12 is provided with exhanst gas outlet 13, is provided with cold water pipe 6 in the back segment of described rear arch 5 and the flame plate 7, and an end of described cold water pipe 6 is connected with cold water storage cistern 4; The other end is connected with flue 9, and described cold water pipe 6 is parallel line type or the setting of S type.
Rear arch 5 can be confirmed according to the width and the cooling needs of rear arch 5 and flame plate 7 with the water pipe quantity in the flame plate 7; It can be that the S type is arranged, and also can be that parallel line type is arranged, in practical application; Through water pump the water in the cold water storage cistern 4 is pumped in the cold water pipe 6; Cooling water flows from the bottom up, gets in the flues through the cold water pipe in rear arch 5 and the flame plate 76, thereby boiler rear arch 5 and flame plate 7 and flame plate the place ahead high-temperature flue gas are effectively cooled off.
6 pairs of rear arches 5 of cold water pipe in the rear arch 5 have supporting role, can improve the intensity of rear arch 5; Cold water in the rear arch 5 inner cold water pipes 6 can reduce the temperature of rear arch 5, improves the service life of rear arch 5.Simultaneously, behind cold water process rear arch 5 and the flame plate 7, the heat of absorption can flow into flue 14, produces thermal effect, has increased the thermal efficiency of boiler.
Rear arch 5 can be selected for use with the cold water pipe 6 in the flame plate 7 but be not limited to seamless steel pipe; Seamless steel pipe has high strength, high anti-oxidation corrosive nature; And favorable tissue stability is arranged, can improve the intensity and the heat-resisting ability of cold water pipe 6 in rear arch 5 and the flame plate 7.
Referring to Fig. 5 and Fig. 6: rear arch 5 can adopt with cold water pipe 6 in the flame plate 7 that parallel line type is arranged, S shape is laid, and also can adopt other curved laying modes.
Referring to Fig. 3 and Fig. 4: flame plate 7 is a plate body, is the high temperature resistant cement foundry goods, height 500-3000 millimeter, and thickness is the 50-750 millimeter, being shaped as the flare sketch map or being the notch cuttype sketch map of logical fire hole 8; Logical fire hole 8 is the 50-500 millimeter towards the stomidium footpath of face arch 3, and the aperture of the other end is the 20-200 millimeter.
In practical application; On the coal-fired traveling-grate stoker 2 that from coal bunker 10, tiles; Traveling-grate stoker 2 is carried coal cinder from front to back, and flue gas successively burns in the first combustion chamber I, the second combustion chamber II, the 3rd combustion chamber III, realizes fully burning, clean combustion and ultra-clean burning.With all combustible after-flames, improve efficiency of combustion and heat conversion, reduce SO
2And CH
XDeng the discharging of nuisance, and can reduce the discharging of slag.
High-temperature flue gas is raised to the temperature of face arch 3, rear arch 5 and flame plate 7 more than 1000 ℃, and it is crisp that becoming at high temperature can appear in face arch 3, rear arch 5 and flame plate 7, and intensity reduces, and influences the service life of chimney arch.Cold water pipe 6 in face arch 3, rear arch 5 and the flame plate 7 can increase endotherm area, regulates furnace temperature, through continuous flowing cold water heat absorption is taken away, thereby can effectively be protected face arch 3, rear arch 5 and flame plate 7, makes it firmer, increases the service life.Simultaneously, when cold water flows from bottom to top in the cold water pipe 6, absorb heat, and be pooled in the flue, increased thermal effect.
Heat sink is arranged in the heat reclamation device, in establish heat transmission steel tube, half the in water, half the in flue gas.Heated water is pooled in the hot water.Through the absorption flue gas effect of recuperation of heat, make flue-gas temperature continue to reduce.Get into three at last and connect the tower desulfurizing dust-collector, carry out desulfurization, denitration, reach dust removal process.
The utility model coal burning rate 98.8%, the thermal efficiency 88.4%; Smoke dust discharge concentration 25.4mg/m3 is 1/3 of a national standard, and the graceful coefficient of blackness of exhaustion Green is less than 1; Sulfur dioxide (SO2) emissions are 5.95 mg/m3, only are 1/150 of national standards.
Claims (7)
1. coal-burning boiler that is provided with novel flame plate; Comprise burner hearth body (1), burner hearth body (1) top is provided with flue (9), and the bottom is provided with traveling-grate stoker (2); Be provided with face arch (3) and rear arch (5) in the described burner hearth body (1); It is characterized in that: be provided with flame plate (7) between described rear arch (5) and the flue (9), be provided with logical fire hole (8) in the flame plate (7), be provided with cold water pipe (6) in the back segment of described rear arch (5) and the flame plate (7); Described flue (9) is connected with heat reclamation device (11) through pipeline, and heat reclamation device (11) and three connects tower desulfurizing dust-collector (12) and is connected.
2. a kind of coal-burning boiler that is provided with novel flame plate according to claim 1 is characterized in that: described logical fire hole (8) is towards the aperture of a stomidium of face arch (3) footpath greater than the other end.
3. a kind of coal-burning boiler that is provided with novel flame plate according to claim 1 and 2 is characterized in that: an end of described cold water pipe (6) is connected with cold water storage cistern (4), and the other end is connected with flue (9).
4. a kind of coal-burning boiler that is provided with novel flame plate according to claim 3 is characterized in that: described three connect tower desulfurizing dust-collector (12) is provided with exhanst gas outlet (13).
5. a kind of coal-burning boiler that is provided with novel flame plate according to claim 4 is characterized in that: a side chain bar fire grate (2) of described burner hearth body (1) is provided with coal bunker (10).
6. a kind of coal-burning boiler that is provided with novel flame plate according to claim 5 is characterized in that: described logical fire hole (8) is provided with at least one, and it is shaped as circular platform type or ladder pass.
7. a kind of coal-burning boiler that is provided with novel flame plate according to claim 6 is characterized in that: described cold water pipe (6) is parallel line type or the setting of S type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204539022U CN202328171U (en) | 2011-11-16 | 2011-11-16 | Coal-burning boiler provided with novel fire-spraying plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204539022U CN202328171U (en) | 2011-11-16 | 2011-11-16 | Coal-burning boiler provided with novel fire-spraying plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202328171U true CN202328171U (en) | 2012-07-11 |
Family
ID=46440152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204539022U Expired - Fee Related CN202328171U (en) | 2011-11-16 | 2011-11-16 | Coal-burning boiler provided with novel fire-spraying plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202328171U (en) |
-
2011
- 2011-11-16 CN CN2011204539022U patent/CN202328171U/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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170823 Address after: 721200 middle of Sports Road, north of county hospital, Shaanxi, Baoji Province, Longxian Patentee after: Longxian Yongan Heat Engineering Co., Ltd. Address before: 721000 Baoji city of Shaanxi province Weibin high tech Development Zone of High-tech Zone 1 Road No. 1 (Fu'an Biotechnology Co. Ltd. hospital) Patentee before: Baoji HL-level Boiler Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |