CN102788427A - Water pipe-type condensate hot-water boiler - Google Patents
Water pipe-type condensate hot-water boiler Download PDFInfo
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- CN102788427A CN102788427A CN2012102763906A CN201210276390A CN102788427A CN 102788427 A CN102788427 A CN 102788427A CN 2012102763906 A CN2012102763906 A CN 2012102763906A CN 201210276390 A CN201210276390 A CN 201210276390A CN 102788427 A CN102788427 A CN 102788427A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The invention discloses a water pipe-type condensate hot-water boiler and belongs to the field of heating equipment. The boiler comprises a boiler body and a flue, wherein two stages of heat exchange devices including an energy saver and a condenser are arranged in the flue. According to the water pipe-type condensate hot-water boiler disclosed by the invention, exhaust gas temperature can be lowered by well utilizing the waste heat of the flue. The energy saver and the condenser are respectively made of a specific material by adopting the specific process, so that the energy saver and the condenser are capable of resisting gas corrosion and environment corrosion and are durable in use. The outlet water and the inlet water of the energy saver and the condenser are directly and mutually communicated with the inlet water and the return water of the boiler, therefore, the heat exchange energy is conveniently utilized in time, and meanwhile, the emission of harmful gas is reduced. The water pipe-type condensate hot-water boiler is obvious in energy-saving effect and environmental-protection effect.
Description
Technical field
The present invention relates to a kind of boiler, the waterpipe type condensation heat homogeneous solution-type reactor of particularly a kind of fuel oil, gas type belongs to the heating equipment field.
Background technology
Boiler is a kind of heating equipment, and it is to utilize coal, oil or gas to be fuel, produces heat through burning and produces steam or hot water; Flue gas, slag that coal produces pollute the environment, the harm people health, and also the processing of combustion technology and flue gas is comparatively complicated; Oil gas type fuel is easy to carry and use; Guaranteeing not produce environmental pollution basically under the good burning condition, calorific capacity is high.In recent years, because the fuel vapor boiler volume is little, automaticity is high, and is easy for installation, obtained using widely, and a large amount of primary energy of urban heat supplying boiler consumption, the pollutant of amplification quantity side by side, the heating boiler of China is main with fire coal mainly traditionally.Along with the raising of urban life level,, use clean energy resource to become a kind of trend in order to improve urban air-quality; In these years, our country finds and has exploited a large amount of natural gases, has set up the heavy construction of transfering natural gas from the west to the east; Some areas (like Beijing, Xi'an) are defined in the urban district is forbidden to set up the coal heating boiler again, and recommends energetically to use natural gas boiler, for fear of the back-end surfaces cold end corrosion; Traditional coal heating exhaust gas temperature is usually above 150 ℃, and steam boiler even be higher than 200 ℃ adopts after the natural gas; Present most of hot-water boiler exhaust gas temperature is between 140～200 ℃, and this has not only expended a large amount of energy, and has improved the operating cost of boiler; With the natural gas is the boiler of fuel; Discharged flue gas has 150 ~ 250 ℃ of quite high temperature, and it contains about 15% ~ 19% (volume) of steam, is the main carrier of flue gas heat.If the exhaust gas temperature of boiler is dropped to enough low level; The steam that is superheat state so in the flue gas will condense and emit the latent heat of vaporization; The boiler that makes the latent heat of vaporization in the flue gas be able to recycle is called condenser boiler; There are defectives such as efficient is low, equipment is perishable, the untimely convenience of UTILIZATION OF VESIDUAL HEAT IN in traditional flue heat exchange design, causes boiler to use the decline of whole efficiency, has wasted a large amount of energy.
Summary of the invention
The present invention provides a kind of waterpipe type condensation heat homogeneous solution-type reactor that can comparatively abundant and conveniently utilize flue residue heat, permanent economy and durability timely.
Waterpipe type condensation heat homogeneous solution-type reactor provided by the present invention comprises body of heater, flue, in flue, is provided with two-stage heat-exchanger rig energy-saving appliance and condenser; The energy-saving appliance entry links through No. 1 header tank and boiler blow-down water, and water outlet links through No. 2 header tanks and boiler feedwater, and backwater and flue gas are adverse current; The condenser entry links through No. 3 header tanks and boiler blow-down water, and water outlet links through No. 4 header tanks and boiler feedwater, and backwater and flue gas are the adverse current state; Described condenser is made up of the ratio-frequency welding finned tube; Material adopts the ND steel, and described condenser heat exchanger tube adopts steel-aluminum composite fin tube, and housing adopts enamel anticorrosion.
Waterpipe type condensation heat homogeneous solution-type reactor provided by the present invention is provided with energy-saving appliance and condenser in the flue, can utilize flue residue heat preferably; Reduce exhaust gas temperature, energy-saving appliance and condenser adopt special process and material, the environmental corrosion of anti-the flue gas; Durable in use, energy-saving appliance and condenser go out entry directly and boiler feed water and backwater link, utilized the heat exchange energy timely and conveniently; Have obvious energy-saving effect, another effect of flue gas condensing is the discharging that can reduce NOx, and this is on the one hand because the raising of the condenser boiler thermal efficiency; Reduced the consumption of fuel, reduced total release, on the other hand owing to the absorption of condensate liquid NOx; Further reduced discharging again, can find out that the present invention has good economy and environmental benefit.
Description of drawings
Accompanying drawing 1 is a sketch map of the present invention.
Accompanying drawing 2 is working medium schematic flow sheets of the present invention.
The specific embodiment
In order to explain enforcement of the present invention more fully, specific embodiment of the present invention is provided, present embodiment only is to elaboration of the present invention and explanation, does not limit the scope of the invention.
Shown in accompanying drawing, energy-saving appliance 3 and condenser 4 are set in boiler flue, this boiler can be that two drums are vertically arranged, the hot-water boiler of full fin panel casing, D type burner hearth Natural Circulation, pressurized firing; Front wall is arranged burner, and fuel is turned back 90 ° and got into convection bank after in burner hearth, fully burning; Flue gas flows into energy-saving appliance 3, condenser 4 from convection bank through flue, gets into chimney then and discharges, and burner hearth Hou Qiang has arranged explosion proof door in the position; Energy-saving appliance 3 is made up of gilled tube, and gilled tube is that high-frequency welding processes, and shell side one end of energy-saving appliance 3 links to each other with convection heating surface; The other end links to each other with the shell side of condenser, and condenser 4 is used for further reducing exhaust gas temperature, and absorbs the latent heat of vaporization of steam in the tail flue gas; The heating surface of condenser mainly is made up of the ratio-frequency welding finned tube, and material is the ND steel, and the ND steel is the rotten steel of using of the most desirable both at home and abroad at present dew point of anti-the sulfuric acid low temperature; Be used for being manufactured on heat exchanger and the evaporimeter that high sulfur-containing smoke gas is on active service and have excellent acid burn into anti-chlorine ion corrosion performance, the condenser heat exchanger tube adopts the ratio-frequency welding finned tube, and housing adopts enamel anticorrosion; Gilled tubes in energy-saving appliance 3 and the condenser 4 are to arrange that along row or stagger arrangement be provided with 4 header tanks altogether in energy-saving appliance 3 and the condenser 4, heat exchange element is a steel-aluminum composite fin tube; Steel-aluminum composite fin tube links to each other with header tank, and boiler blow-down water splits into two parts before getting into condenser; A part gets into No. 2 header tanks 7, and another part gets into No. 4 header tanks 5, gets into energy-saving appliance 3 and condenser 4 then respectively; Be pooled to respectively after the heat exchange No. 1 and No. 3 header tanks, compile and get into boiler feedwater then, backwater and flue gas are the adverse current state.
Can know that according to the steam partial pressure coefficient water dew point through reducing flue-gas temperature to dew point with the refrigerant medium, reclaims the sensible heat and the latent heat of flue gas generally at 56～60 ℃ simultaneously in the flue gas; Simultaneously since in the water vapor condensation process condensed water can absorb a part of pernicious gas such as SO2, NOx, reduced the discharging of pollutant, help environmental protection; The present invention can significantly make boiler thermal output improve, and with about 10.3 NM3 of 1NM3 natural gas burning production theory exhaust gas volumn (approximately 12.5KG), is example with excess air coefficient 1.3; Produce flue gas 14 NM3 (approximately 16.6KG), get flue-gas temperature and be reduced to 70 ℃ for 200 ℃, emit the about 1600KJ of physics sensible heat; The water vapour condensation rate gets 50%, emits about 1850 KJ of the latent heat of vaporization, amounts to heat release 3450 KJ; Be 10% of natural gas low heat valve approximately, get into heat-energy recovering apparatus, can improve the heat energy utilization rate more than 8% if get 80% flue gas; It is nearly 10% to save gas fuel, does not need to establish in addition environmental protecting device.
After specifying embodiment of the present invention; The personage who is familiar with this technology can be well understood to; Do not break away from above-mentioned claim with spirit under can carry out various variations and modification; All foundations technical spirit of the present invention all belongs to the scope of technical scheme of the present invention to any simple modification, equivalent variations and modification that above embodiment did, and the present invention's embodiment of also not being subject in the specification to be given an actual example.
Claims (5)
1. waterpipe type condensation heat homogeneous solution-type reactor comprises body of heater (1), flue (2), it is characterized in that: in flue, be provided with two-stage heat-exchanger rig energy-saving appliance (3) and condenser (4).
2. waterpipe type condensation heat homogeneous solution-type reactor according to claim 1, energy-saving appliance (3) entry links through No. 1 header tank (7) and boiler blow-down water, and water outlet links through No. 2 header tanks (8) and boiler feedwater, and backwater and flue gas are adverse current.
3. waterpipe type condensation heat homogeneous solution-type reactor according to claim 1, condenser (4) entry links through No. 3 header tanks (5) and boiler blow-down water, and water outlet links through No. 4 header tanks (6) and boiler feedwater, and backwater and flue gas are the adverse current state.
4. waterpipe type condensation heat homogeneous solution-type reactor according to claim 1 is characterized in that: described condenser (4) is made up of the ratio-frequency welding finned tube, and material adopts the ND steel.
5. water waterpipe type condensation heat homogeneous solution-type reactor according to claim 1 is characterized in that: described condenser (4) heat exchanger tube adopts steel-aluminum composite fin tube, and housing adopts enamel anticorrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102763906A CN102788427A (en) | 2012-08-06 | 2012-08-06 | Water pipe-type condensate hot-water boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102763906A CN102788427A (en) | 2012-08-06 | 2012-08-06 | Water pipe-type condensate hot-water boiler |
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| CN102788427A true CN102788427A (en) | 2012-11-21 |
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| CN2012102763906A Pending CN102788427A (en) | 2012-08-06 | 2012-08-06 | Water pipe-type condensate hot-water boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477562A (en) * | 2017-09-18 | 2017-12-15 | 江苏华泰重工装备有限公司 | Heat reclaim unit for Chinese medicine extractor |
| CN109556102A (en) * | 2018-12-29 | 2019-04-02 | 吴荣彪 | A kind of double steam boilers |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273002A (en) * | 1991-04-10 | 1993-12-28 | Gadelius Sunrod Ab | Water tube boiler |
| JP2002323201A (en) * | 2002-03-22 | 2002-11-08 | Miura Co Ltd | Water tube boiler |
| CN2704789Y (en) * | 2004-05-11 | 2005-06-15 | 陈卫华 | Energy saver of condensing gas boiler |
| CN201000202Y (en) * | 2006-11-29 | 2008-01-02 | 北京金房暖通节能技术有限公司 | Water-tube boiler flue gas waste heat recovery device used for heating recirculated water of heat distribution system |
| CN101936520A (en) * | 2010-08-16 | 2011-01-05 | 江苏双良锅炉有限公司 | Horizontal type oil-gas condensing steam boiler with energy saver and condenser arranged outside independently |
| CN202229164U (en) * | 2011-08-17 | 2012-05-23 | 安阳方快锅炉有限公司 | Condensing type steam boiler energy-saving heating device |
| CN202253560U (en) * | 2011-08-17 | 2012-05-30 | 安阳方快锅炉有限公司 | Integrated condensation steam boiler |
| CN202792536U (en) * | 2012-08-06 | 2013-03-13 | 安阳方快锅炉有限公司 | Water pipe type condensation hot water boiler |
-
2012
- 2012-08-06 CN CN2012102763906A patent/CN102788427A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5273002A (en) * | 1991-04-10 | 1993-12-28 | Gadelius Sunrod Ab | Water tube boiler |
| JP2002323201A (en) * | 2002-03-22 | 2002-11-08 | Miura Co Ltd | Water tube boiler |
| CN2704789Y (en) * | 2004-05-11 | 2005-06-15 | 陈卫华 | Energy saver of condensing gas boiler |
| CN201000202Y (en) * | 2006-11-29 | 2008-01-02 | 北京金房暖通节能技术有限公司 | Water-tube boiler flue gas waste heat recovery device used for heating recirculated water of heat distribution system |
| CN101936520A (en) * | 2010-08-16 | 2011-01-05 | 江苏双良锅炉有限公司 | Horizontal type oil-gas condensing steam boiler with energy saver and condenser arranged outside independently |
| CN202229164U (en) * | 2011-08-17 | 2012-05-23 | 安阳方快锅炉有限公司 | Condensing type steam boiler energy-saving heating device |
| CN202253560U (en) * | 2011-08-17 | 2012-05-30 | 安阳方快锅炉有限公司 | Integrated condensation steam boiler |
| CN202792536U (en) * | 2012-08-06 | 2013-03-13 | 安阳方快锅炉有限公司 | Water pipe type condensation hot water boiler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477562A (en) * | 2017-09-18 | 2017-12-15 | 江苏华泰重工装备有限公司 | Heat reclaim unit for Chinese medicine extractor |
| CN109556102A (en) * | 2018-12-29 | 2019-04-02 | 吴荣彪 | A kind of double steam boilers |
| CN109556102B (en) * | 2018-12-29 | 2024-04-09 | 吴荣彪 | Double-steam boiler |
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Application publication date: 20121121 |