CN203797694U - Efficient micro-emission energy-saving boiler for recycling residual energy - Google Patents
Efficient micro-emission energy-saving boiler for recycling residual energy Download PDFInfo
- Publication number
- CN203797694U CN203797694U CN201320514852.3U CN201320514852U CN203797694U CN 203797694 U CN203797694 U CN 203797694U CN 201320514852 U CN201320514852 U CN 201320514852U CN 203797694 U CN203797694 U CN 203797694U
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- China
- Prior art keywords
- air
- heater
- boiler
- air preheater
- energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model relates to a boiler, in particular to an efficient micro-emission energy-saving boiler for recycling residual energy. The efficient micro-emission energy-saving boiler for recycling residual energy comprises a boiler body, an air preheater and a chimney. The boiler body, the air preheater and the chimney are connected through pipelines. The air preheater comprises a shell, a steel pipe, an air cooler and a stepped channel. The efficient micro-emission energy-saving boiler is simple in structure, hot air generated by the boiler after primary combustion is delivered to the air preheater, hot air cooled and heated by the steel pipe of the air preheater is mixed with biomass particles and delivered to the boiler through a high-pressure fan, the hot air and the biomass particles are mixed with combustible gas such as carbon monoxide and sulfur dioxide in the boiler and coal residues which is not burned out, so that secondary combustion is achieved, heat efficiency is improved by 25% and to more than 95%, the material use rate is improved, meanwhile the emission load of hazardous substances can be effectively reduced, and environment friendliness can be achieved.
Description
Technical field
The utility model relates to a kind of boiler, and especially a kind of steam output quantity is efficient micro-row's saving furnace of the recoverable residue energy of 2,000,000-2,000 ten thousand kilocalories.
Background technology
China Shi Yige large agricultural country Ye Shi new industry big country.Along with industrial needs, in using energy source, China is in this scope development, expansion, nearly up to a million, the boiler that existing steam discharge capacity is 2,000 ten thousand following kilocalories, major part is distributed in the combination area of city and country, and small part life use stove is in down town, this medium small boiler, be that China's industrial production and people's lives are required, along with development in science and technology, the use of boiler will become the requirement of people's life.In the medium small boiler of producing in China at present, major part is to take chain fire-gate middle-size and small-size block formula boiler as main, utilize the boiler of this combustion technology to start to be widely used in industrial production and people's daily life in the seventies, because this boiler erection is convenient, liked by energy unit.But this boiler, for once to adopt the boiler of combustion technology, does not reach the requirement of current energy-saving and emission-reduction, do not meet our country's environmental requirement of the energy-saving and emission-reduction of proposition at present.The major defect of current block type boiler is: efficiency is low, it is little to exert oneself, energy consumption is large, environmental pollution is serious etc.
The block row boiler of selling in the market all only adopts primary combustion to fuel, after burning, has a lot of cinders because its volume is larger, the reasons such as temperature is inadequate, are imperfect combustionly just abandoned when waste residue, and energy utilization rate is poor, financial cost is relatively high, is unfavorable for the long term growth of enterprise.
In the production process of boiler, can produce a large amount of heat energy, many factories do not carry out subsequent treatment to these heat energy, just directly entered in atmosphere, and in these heat energy, contain the harmful substances such as a large amount of carbon dioxide, sulfide, dust, can, to environment, affect people's living environment.
Utility model content
Utility model object: for the problems referred to above, the purpose of this utility model is to provide that a kind of thermal efficiency is high, and environmental pollution is little, efficient micro-row's saving furnace of the recycling residue energy with low cost.
Technical scheme: for realizing above object, a kind of efficient micro-row's saving furnace of recycling the residue energy that the utility model provides, comprise body of heater, air preheater, chimney, secondary feeding device, described body of heater, air preheater, chimney connect successively by pipeline, and described body of heater, air preheater, secondary feeding device connect ringwise by pipeline;
Described body of heater one side is provided with charging aperture, and upper of furnace body is provided with air outlet, and described lower portion of furnace body is provided with air inlet;
Described air preheater comprises: shell, steel pipe, air-cooler, step passage, described housing top is provided with hot air inlet, hot air outlet, bottom is provided with air-cooler, cold air outlet, described hot air inlet is connected with body of heater air outlet, steel pipe is vertical in case body, described step passage is surrounded on steel pipe outside, and air-cooler communicates with step channel bottom, and hot air outlet communicates with step channel roof;
Wherein the hot air outlet tail end of air preheater sets up the first airduct, the second airduct separately, and described the first airduct is connected with body of heater air inlet, and described the second airduct is connected with secondary feeding device.
Described secondary feeding device comprises secondary feeding storehouse, high pressure positive blower, pipeline, and feed pipe second airduct of described secondary feeding storehouse is merged into high pressure positive blower air inlet, and described high pressure positive blower air outlet stretches into body of heater inside.
Between described air preheater and chimney, be provided with water dust scrubber, can further to the air of discharging, make purified treatment, be conducive to reduce the discharge of harmful substance, protection of the environment.
Described circle of steel tube is wound around stainless steel blade, effectively increases the area of dissipation of steel pipe, is not only conducive to the cooling fast of the interior hot blast of steel pipe, also can improve the efficiency of heating surface to cold wind in the outer trapezoidal channel of steel pipe.
Described the second airduct is provided with flow valve, can to the hot air flow of sending in body of heater, control in real time, increases work efficiency.
Described air preheater bottom is tapered, is conducive to the precipitation of the harmful substances such as dust, sulfur dioxide in air that steel pipe discharges.
Beneficial effect: compared with prior art, the utlity model has following advantage:
1. the thermal efficiency is high: the utility model is simple in structure, by increasing air preheater, body of heater, air preheater, secondary output device are connected ringwise by pipeline, the hot blast that in stove, burning produces is sent in the steel pipe of air preheater, the stairstepping passage of steel pipe outside is sent into cold wind, adopts the heat energy that in steel pipe, hot blast produces to heat cold wind, then the wind after heating is mixed by high pressure positive blower and is back in stove with living beings powder, heat energy is recycled, improves the thermal efficiency; To heat air delivery in body of heater, can greatly improve temperature in stove, again because the second described airduct is provided with flow valve, can control in real time the conveying capacity of hot blast, make to approach in stove oxygen deprivation state, be convenient to the cinder second-time burning that fuel gas fully burns and unburned is most in burner hearth, fire box temperature is reached more than 1400 ℃, and the thermal efficiency reaches more than 95%.
2. save energy consumption: the utility model heats cold wind by the heat energy that hot blast in steel pipe is produced, cold wind in trapezoidal channel is lowered the temperature to the hot blast in steel pipe, do not need the energy consumption that increases other just can realize cold-hot wind exchange, the utility model is exchanged and is made the air themperature that enters burner hearth reach 250 ℃ by cold-hot wind, be conducive to the abundant burning of carbon and biomass fuel, reduce firing rate, effectively save the energy, increase economic efficiency.
3. environmental protection: air preheater of the present utility model is cooling by hot blast, exhaust gas temperature is reduced to 45-50 ℃ by 250 ℃ of original exhaust gas temperatures, and the carbon dioxide in hot blast, sulfide, dust are deposited in air preheater bottom, reduce discharge of poisonous waste amount.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
A kind of efficient micro-row's saving furnace of recycling the residue energy as shown in Figure 1, comprise body of heater 1, air preheater 2, chimney 4, secondary feeding device 5, described body of heater 1, air preheater 2, chimney 4 connect successively by pipeline, between described air preheater 2 and chimney 4, be also provided with water dust scrubber 3, described body of heater 1, air preheater 2, secondary feeding device 5 connect ringwise by pipeline, and described air preheater 2 bottoms are tapered; Described body of heater 1 one sides are provided with charging aperture 11, and body of heater 1 top is provided with air outlet 12, and described body of heater 1 bottom is provided with air inlet 13; Described air preheater 2 comprises: shell 21, steel pipe 22, air-cooler 23, step passage 24, described housing top is provided with hot air inlet 211, hot air outlet 212, bottom is provided with air-cooler 23, cold air outlet 213, described hot air inlet 211 is connected with body of heater 1 air outlet 12, steel pipe 22 is vertical in shell 21 housings, described steel pipe 22 cylindricals are wound around stainless steel blade, described step passage 24 is surrounded on steel pipe 22 outsides, air-cooler 23 communicates with step passage 24 bottoms, and hot air outlet 212 communicates with step passage 24 tops; Wherein the hot air outlet 212 of air preheater 2 sets up two airducts separately, the first airduct 214, the second airduct 215, described the first airduct 214 is connected with body of heater 1 air inlet, and described the second airduct 215 is connected with secondary feeding device 5, and described the second airduct 215 is provided with flow valve 216; Described secondary feeding device 5 comprises secondary feeding storehouse 51, high pressure positive blower 52, pipeline, and feed pipe second airduct 215 of described secondary feeding storehouse 51 is merged into high pressure positive blower 52 air inlets, and described high pressure positive blower 52 air outlets stretch into body of heater 1 inside.
During use, coal charge is sent into body of heater 1 from body of heater 1 charging aperture 11, boiler burns to coal charge, the hot blast producing after coal burning is exported from air outlet, now hot blast temperature is 200 ℃, body of heater 1 air outlet is connected with the hot air inlet 211 of air preheater 2, described hot blast enters in the steel pipe 22 of air preheater 2, because described steel pipe 22 outsides are wound with stainless steel blade, also increase the area of dissipation of hot blast, bottom due to air preheater 2 is provided with air-cooler 23 again, the prompting passage being connected with air-cooler 23 around with steel pipe 22 cylindricals, start air-cooler 23, the cold wind of air-cooler 23 outputs is around steel pipe 22 cylindricals, further to the hot blast cooling in steel pipe 22, hot blast temperature can be down to 45 ℃, because temperature reduces, the dust of discharging with hot blast, sulfide just drops to air preheater 2 bottoms, the self cooling air outlet 213 of wind after cooling is discharged, because air preheater 2 is also connected with water dust scrubber 3, water dust scrubber 3 is further to airborne dust, sulfide cleans, improve the cleanliness factor of discharging air, air after water dust scrubber 3 dedustings is discharged from chimney 4, now, discharge the dust in wind, sulfide is almost nil, effectively protected environment.
When in air preheater 2, in step passage 24, cold wind is lowered the temperature with the interior hot blast of steel pipe 22, the heat energy that in steel pipe 22, hot blast produces also heats the cold wind outside steel pipe 22 simultaneously, wind self-heating air outlet 212 after heating is discharged, because described hot air outlet 212 sets up the first airduct 214, the second airduct 215 separately, described the first airduct 214 is connected with the air inlet of body of heater 1 bottom, by continuous heat air delivery in stove, to guarantee the keeping condition of high temperature in stove, described the second airduct 215 is merged into high pressure positive blower 52 air inlets with the charging line of secondary feeding storehouse 51, secondary feeding storehouse 51 is sent into living beings powder, described living beings powder and hot blast are in high pressure positive blower 52 is sent into body of heater 1, due to the interior maintenance high temperature of body of heater 1, living beings powder enters just burning in body of heater 1, the burning of living beings powder can make the cinder generation second-time burning burning incompletely for the first time in stove simultaneously, fire box temperature reaches 1400 ℃, effectively improve heat energy, make the power of boiler improve more than 30%, effectively improve the thermal efficiency, it is reached more than 95%, sufficient combustion fuel, save the energy, reduce disposal of pollutants.
Claims (2)
1. recycle the efficient micro-row's saving furnace that remains the energy for one kind, it is characterized in that: comprise body of heater (1), air preheater (2), chimney (4), secondary feeding device (5), described body of heater (1), air preheater (2), chimney (4) connect successively by pipeline, and described body of heater (1), air preheater (2), secondary feeding device (5) connect ringwise by pipeline;
Described body of heater (1) one side is provided with charging aperture, and body of heater (1) top is provided with air outlet (12), and described body of heater (1) bottom is provided with air inlet (13);
Described air preheater (2) comprising: shell (21), steel pipe (22), air-cooler (23), step passage (24), described shell (21) top is provided with hot air inlet (211), hot air outlet (212), bottom is provided with air-cooler (23), cold air outlet (213), described hot air inlet (211) is connected with body of heater (1) air outlet, steel pipe (22) is vertical in shell (21) housing, described step passage (24) is surrounded on steel pipe (22) outside, air-cooler (23) (23) communicates with step passage (24) bottom, hot air outlet (212) communicates with step passage (24) top,
Wherein the hot air outlet of air preheater (2) (212) sets up two airducts separately, the first airduct (214), the second airduct (215), described the first airduct (214) is connected with body of heater (1) air inlet, and described the second airduct (215) is connected with secondary feeding device (5).
According to claim 1 a kind of recycle residue the energy efficient micro-row's saving furnace, it is characterized in that: described secondary feeding device (5) comprises secondary feeding storehouse (51), high pressure positive blower (52), pipeline, feed pipe second airduct (215) of described secondary feeding storehouse (51) is merged into high pressure positive blower (52) air inlet, and described high pressure positive blower (52) air outlet stretches into body of heater (1) inside.
3. a kind of efficient micro-row's saving furnace of recycling the residue energy according to claim 1, is characterized in that: between described air preheater (2) and chimney (4), be provided with water dust scrubber (3).
4. a kind of efficient micro-row's saving furnace of recycling the residue energy according to claim 1, is characterized in that: described steel pipe (22) cylindrical is wound around stainless steel blade.
5. according to a kind of efficient micro-row's saving furnace of recycling the residue energy described in claim 1 or 3, it is characterized in that: described the second airduct (215) is provided with flow valve (26).
6. a kind of efficient micro-row's saving furnace of recycling the residue energy according to claim 1, is characterized in that: described air preheater (2) bottom is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514852.3U CN203797694U (en) | 2013-08-22 | 2013-08-22 | Efficient micro-emission energy-saving boiler for recycling residual energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320514852.3U CN203797694U (en) | 2013-08-22 | 2013-08-22 | Efficient micro-emission energy-saving boiler for recycling residual energy |
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| Publication Number | Publication Date |
|---|---|
| CN203797694U true CN203797694U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320514852.3U Expired - Lifetime CN203797694U (en) | 2013-08-22 | 2013-08-22 | Efficient micro-emission energy-saving boiler for recycling residual energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486605A (en) * | 2013-08-22 | 2014-01-01 | 太仓新瑞节能设备有限公司 | High-efficiency micro-emission energy-saving boiler capable of recycling remaining energy |
-
2013
- 2013-08-22 CN CN201320514852.3U patent/CN203797694U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486605A (en) * | 2013-08-22 | 2014-01-01 | 太仓新瑞节能设备有限公司 | High-efficiency micro-emission energy-saving boiler capable of recycling remaining energy |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |