CN2335083Y - Low-pressure high-temp. energy-saving dust-removing boiler - Google Patents
Low-pressure high-temp. energy-saving dust-removing boiler Download PDFInfo
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- CN2335083Y CN2335083Y CN 97228370 CN97228370U CN2335083Y CN 2335083 Y CN2335083 Y CN 2335083Y CN 97228370 CN97228370 CN 97228370 CN 97228370 U CN97228370 U CN 97228370U CN 2335083 Y CN2335083 Y CN 2335083Y
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Abstract
The utility model relates to a low-pressure high-temperature energy-saving dust-removing boiler, comprising a boiler and a steel chimney. The steel chimney is composed of a vertical steel chimney 15 and a horizontal steel chimney 2. The upper part of the vertical steel chimney 15 is connected with the smoke outlet 31 of the boiler, and the lower part of the vertical steel chimney 15 is connected with the left end of the horizontal steel chimney 2. The right end of the horizontal steel chimney 2 is provided with a draft fan and a high-pressure sprayer 7. An outer coiled pipe 11 and an inner coiled pipe 13 are arranged in the vertical steel chimney 15. A plurality of air preheaters 3 for steel tubes are arranged in the horizontal steel chimney 2. The right end of the plurality of air preheaters 3 for steel tubes is connected with a ventilator 6. The utility model has thermal efficiency as high as 85 % and no noise, dust and harmful gas.
Description
The utility model relates to the boiler of heating up water or steam, especially a kind of low-voltage high-temperature energy-saving dedusting boiler.The tool investigation, the miniature boiler that 11 provinces, municipalities and autonomous regions in the north are produced and used at present, unreasonable because of designing, its heat energy utilization rate is very low, and dust removing effects is also very poor.Mainly there is following problem in boiler at present:
1, the steel chimney of boiler becomes vertical configuration, the absorption heat energy and the cleaner of several multilayer can't be installed, minority can only be installed absorb heat energy and cleaner, so can only absorb sub-fraction heat energy, most of heat energy is by boiler and steel chimney outer wall radiation and lost with flue gas.
2, because of vertical configuration steel chimney height is too high, dedusting, ventilation and air inducing equipment can only be installed in steel chimney lower end, cause a lot of heat energy to scatter and disappear by deduster, ventilation blower and the radiation of air-introduced machine outer wall.
3, carry the passage of air and fixed grate design unreasonable to the coal-fired position of burner hearth, cause the oxygen supply deficiency, make coal-firedly fully not convert heat energy to or lose with the dust that the raw coal shape falls into boiler bottom.
4, reasonably do not coat heat-barrier material and the absorption thermal hardware is installed with cigarette effusion heat energy position in the outer wall radiant heat energy position of boiler and steel chimney and the steel chimney, cause heat energy dissipation.
5, the steel chimney is not established the flap that washes away steel chimney inwall and be arranged on the inner heat-absorbing device outer wall of steel chimney dust, causes the deashing difficulty, even flue is stopped up, and reduces the endothermic effect of heat-absorbing device simultaneously.
The purpose of this utility model is too high at the steel chimney of the boiler existence of present use, inconvenience is installed and is absorbed thermal hardware, ventilation blower, air-introduced machine, deduster, and the problem of maintenance and removing chimney inwall and the inner heat-absorbing device outer wall of steel chimney dust difficulty, it is underground to propose a kind of chimney accumbency, be convenient to install absorption thermal hardware, ventilation blower, air-introduced machine, deduster, maintenance and removing chimney inwall and the inner heat-absorbing device outer wall of steel chimney dust are convenient, and low-voltage high-temperature energy-saving dedusting boiler free from environmental pollution.
The utility model is achieved in that low-voltage high-temperature energy-saving dedusting boiler comprises boiler and steel chimney.Boiler is made of outer wall and inner bag, and outer wall and inner bag weld in the bottom, forms the U-shaped inferior horn.Be covered with the connection water pipe that is communicated with inner bag up and down in the burner hearth, lower furnace portion is provided with fire door.Burner hearth bottom is movable fire bars.Also be provided with water level pipe and boiling water switch on the boiler.The boiler top is provided with safety valve and Pressure gauge.The steel chimney is made of vertical steel chimney and accumbency steel chimney.Vertical steel chimney top links to each other with the boiler outlet flue, and the bottom links to each other with the left end of accumbency steel chimney.Vertical steel chimney upper end is provided with the deashing flap.The bottom of vertical steel chimney is provided with the storage ashpit.The right-hand member of accumbency steel chimney is equipped with air-introduced machine and high-pressure sprayer.Be provided with the inverted position turn pipe of preheating water near the vertical steel chimney inwall, the inboard of inverted position turn pipe is provided with the inner disc coil of preheating water steam.The upper end of inverted position turn pipe links to each other with the filler pipe that has switch, and the lower end links to each other with boiler.The lower end of inner disc coil links to each other with the discharge water steam pipe of belt switch, and the upper end links to each other with steam conduit.The other end of steam conduit links to each other with the boiler top.The end that steam conduit links to each other with the boiler top is equipped with the draining steam cock.Also be provided with the steam conduit switch on the steam conduit successively and add cold water switch.Be provided with the communicating pipe of band coupling cock between filler pipe and the discharge water steam pipe.Be provided with multiple row steel pipe air preheater in the accumbency steel chimney.Multiple row steel pipe air preheater right-hand member links to each other with ventilation blower by tubaeform interface, and left end links to each other with the air inlet steel pipe of fire bars bottom.Fire bars is the mass activity fire bars.In addition, boiler, vertical steel chimney, accumbency steel chimney and steam conduit outer surface all wrap up heat-insulation layer.
The utility model can be used for boiling water or steaming.When boiling water, the draining steam cock on the steam lead of fetching boiling water is closed the steam conduit switch, open and add cold water switch, cold water is by a part of steam conduit, and by inner disc coil, coupling cock, when the inverted position turn pipe enters boiler, temperature rises 80 ℃-100 ℃.During the preparation water vapour, must be used with " the multi-functional distillation storage device of staged " (patent No. 94248927.6) of the applicant's design.Open the filler pipe and the discharge water steam pipe that link to each other with " the multi-functional distillation storage device of staged ", close the coupling cock between filler pipe and the discharge water steam pipe, close the draining steam cock, the steam lead switch of fetching boiling water, close and add cold water switch, 100 ℃ of water that flowed out by " the multi-functional distillation storage device of staged " rise to 120 ℃ through the preheating of inverted position turn pipe and enter in the boiler, water vapour is by the inner disc coil, temperature rises, and enters " the multi-functional distillation storage device of staged " by the discharge water steam pipe.Boiler erection of the present utility model is semi-underground, and promptly the cooking stove part is underground, and accumbency steel chimney is installed in underground.
The utility model has the advantages that: 1, pass through the internal and external disk coil water and steam preheating, by multiple row steel pipe preheater to air preheat, by boiler, vertical steel chimney, accumbency steel chimney and steam conduit outer surface are wrapped up heat-insulation layer, and adopting the mass activity fire bars to improve ventilation condition, the thermal efficiency of boiler brings up to 85% by 70%.2, dust after will burning by the air-introduced machine jet and pernicious gas are ejected in the storage dirt pond, and meet with high-pressure cold water droplet by the ejection of high-pressure sprayer fog-spray nozzle, and dust and pernicious gas are absorbed by water smoke and fall in the storage dirt pond, avoid contaminated environment.3, install easily, deashing is convenient, noiselessness.
Accompanying drawing is a structure chart of the present utility model.
Below in conjunction with accompanying drawing the utility model is described further:
As shown in the figure, low-voltage high-temperature energy-saving dedusting boiler comprises boiler and steel chimney.Boiler 26 is made of outer wall and inner bag, and outer wall and inner bag weld in the bottom, forms U-shaped inferior horn 28.Be covered with the connection water pipe 25 that is communicated with inner bag up and down in the burner hearth.Lower furnace portion is provided with fire door 27.Burner hearth bottom is movable fire bars 29.Also be provided with water level pipe 23 and boiling water switch 24 on the boiler 26.Boiler 26 tops are provided with safety valve 22 and Pressure gauge 20.The steel chimney is made of vertical steel chimney 15 and accumbency steel chimney 2.Vertical steel chimney 15 tops link to each other with boiler outlet flue 31, and the bottom links to each other with the left end of accumbency steel chimney 2.Vertical steel chimney 15 upper ends are provided with deashing flap 16.The bottom of vertical steel chimney 15 is provided with storage ashpit 1.The right-hand member of accumbency steel chimney 2 is equipped with air-introduced machine 8 and high-pressure sprayer 7.Be provided with the inverted position turn pipe 11 of preheating water near vertical steel chimney 15 inwalls, the inboard of inverted position turn pipe 11 is provided with the inner disc coil 13 of preheating water steam.The upper end of inverted position turn pipe 11 links to each other with the filler pipe 14 that has switch, and the lower end links to each other with boiler 26.The lower end of inner disc coil 13 links to each other with the discharge water steam pipe 12 of belt switch, and the upper end links to each other with steam conduit 19.The other end of steam conduit 19 links to each other with boiler 26 tops.The end that steam conduit 19 links to each other with the boiler top is equipped with draining steam cock 21.Also be provided with steam conduit switch 18 on the steam conduit 19 successively and add cold water switch 17.Be provided with the communicating pipe of band coupling cock 5 between filler pipe 14 and the discharge water steam pipe 12.Be provided with multiple row steel pipe air preheater 3 in the accumbency steel chimney 2.Multiple row steel pipe air preheater 3 right-hand members link to each other with ventilation blower 6 by tubaeform interface, and left end links to each other with the air inlet steel pipe 30 of fire bars 29 bottoms.Fire bars 29 is the mass activity fire bars.In addition, boiler 26, vertical steel chimney 15, accumbency steel chimney 2 and steam conduit 19 outer surfaces all wrap up heat-insulation layer 4.
The utility model can be used for boiling water or steaming.When boiling water, fetch boiling water draining steam cock 21 on the steam lead 19, close steam conduit switch 18, open and add cold water switch 17, cold water is by a part of steam conduit 19, inner disc coil 13, coupling cock 5, when inverted position turn pipe 11 enters boiler 26, water carries out heat exchange with heat energy in the flue gas in inner disc coil 13, inverted position turn pipe 11 flow process, the temperature of water is risen 80 ℃-100 ℃.During the preparation water vapour, must be used with " the multi-functional distillation storage device of staged " (patent No. 94248927.6) of the applicant's design.At this moment, open the filler pipe 14 and the discharge water steam pipe 12 that link to each other with " the multi-functional distillation storage device of staged ", close the coupling cock 5 between filler pipe 14 and the discharge water steam pipe 12, close draining steam cock 21, the steam lead switch 18 of fetching boiling water cuts out and adds cold water switch 17,100 ℃ of water that flowed out by " the multi-functional distillation storage device of staged " are when inverted position turn pipe 11, absorb the heat energy in the flue gas, temperature rises to 120 ℃, enters then in the boiler 26.When the water vapour that boiler 26 comes out passes through inner disc coil 13, absorb the heat energy in the flue gas, temperature further rises, and enters " the multi-functional distillation storage device of staged " by discharge water steam pipe 12 at last, makes distilled water in this device.
Multiple row steel pipe preheater 3 is located at the first half in the accumbency steel chimney 2, is sent to the air preheat of fire bars 29 bottoms by 3 pairs of ventilation blowers 6 of multiple row steel pipe preheater.Adopt mass activity fire bars 29, be convenient to make the lime-ash of burner hearth bottom to fall, improve ventilation condition.Dust after jet 9 by air-introduced machine 8 will burn and pernicious gas are ejected among the Chu Chenchi (drawing among the figure), and meet with high-pressure cold water droplet by fog-spray nozzle 10 ejection of high-pressure sprayer 7, dust and pernicious gas after the burning are absorbed by water smoke, fall in the storage dirt pond, avoid environmental pollution.High-pressure cold water droplet area through fog-spray nozzle 10 ejections is big, and the fog-zone diameter can reach 3.5 meters.Ventilation blower 6, air-introduced machine 8, high-pressure sprayer 7 all can adopt the commercially available prod.
Claims (3)
1, a kind of low-voltage high-temperature energy-saving dedusting boiler comprises boiler and steel chimney; Boiler is made of outer wall and inner bag, and outer wall and inner bag weld in the bottom, forms the U-shaped inferior horn; Be covered with the connection water pipe that is communicated with inner bag up and down in the burner hearth, lower furnace portion is provided with fire door, and burner hearth bottom is a fire bars; Also be provided with water level pipe and boiling water switch on the boiler, the boiler top is provided with safety valve and Pressure gauge, it is characterized in that: the steel chimney is made of vertical steel chimney and accumbency steel chimney, vertical steel chimney top links to each other with the boiler outlet flue, the bottom links to each other with the left end of accumbency steel chimney, vertical steel chimney upper end is provided with the deashing flap, and the bottom of vertical steel chimney is provided with the storage ashpit; The right-hand member of accumbency steel chimney is equipped with air-introduced machine and high-pressure sprayer; Be provided with the inverted position turn pipe of preheating water near the vertical steel chimney inwall, the inboard of inverted position turn pipe is provided with the inner disc coil of preheating water steam; The upper end of inverted position turn pipe links to each other with the filler pipe that has switch, and the lower end links to each other with boiler; The lower end of inner disc coil links to each other with the discharge water steam pipe of belt switch, and the upper end links to each other with steam conduit, and the other end of steam conduit links to each other with the boiler top; The end that steam conduit links to each other with the boiler top is equipped with the draining steam cock; Also be provided with the steam conduit switch on the steam conduit successively and add cold water switch; Be provided with the communicating pipe of band coupling cock between filler pipe and the discharge water steam pipe; Be provided with multiple row steel pipe air preheater in the accumbency steel chimney, multiple row steel pipe air preheater right-hand member links to each other with ventilation blower by tubaeform interface, and left end links to each other with the air inlet steel pipe of fire bars bottom.
2, by the described low-voltage high-temperature energy-saving dedusting of claim 1 boiler, it is characterized in that: fire bars is the mass activity fire bars.
3, by the described low-voltage high-temperature energy-saving dedusting of claim 1 boiler, it is characterized in that: boiler, vertical steel chimney, accumbency steel chimney and steam conduit outer surface all wrap up heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228370 CN2335083Y (en) | 1997-10-15 | 1997-10-15 | Low-pressure high-temp. energy-saving dust-removing boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97228370 CN2335083Y (en) | 1997-10-15 | 1997-10-15 | Low-pressure high-temp. energy-saving dust-removing boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2335083Y true CN2335083Y (en) | 1999-08-25 |
Family
ID=33941543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97228370 Expired - Fee Related CN2335083Y (en) | 1997-10-15 | 1997-10-15 | Low-pressure high-temp. energy-saving dust-removing boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2335083Y (en) |
-
1997
- 1997-10-15 CN CN 97228370 patent/CN2335083Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |