CN103017336A - Biological-waste-liquid-fired vertical molten salt furnace - Google Patents
Biological-waste-liquid-fired vertical molten salt furnace Download PDFInfo
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- CN103017336A CN103017336A CN2012105356795A CN201210535679A CN103017336A CN 103017336 A CN103017336 A CN 103017336A CN 2012105356795 A CN2012105356795 A CN 2012105356795A CN 201210535679 A CN201210535679 A CN 201210535679A CN 103017336 A CN103017336 A CN 103017336A
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- molten salt
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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
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Abstract
The invention relates to a biological-waste-liquid-fired vertical molten salt furnace, which comprises a molten salt furnace body, an ash blowing mechanism, an ash cleaning mechanism, an air preheater and an ash separator. The molten salt furnace body comprises a furnace body, a combustion heating furnace which is arranged at the bottom of the furnace body, a molten salt delivery pipe, a combustion supporting air pipe which is communicated with the combustion heating furnace, and a waste gas outlet which is arranged at the top of the furnace body. The air preheater comprises a shell and an air heat exchange pipe, wherein the inlet of the air heat exchange pipe is used for sucking external air and the outlet of the air heat exchange pipe is communicated with the combustion supporting air pipe; and a cavity between the shell and the air heat exchange pipe forms a preheating chamber. The ash separator is provided with an exhaust port. The ash blowing mechanism comprises an air delivery pipe, a spray pipe and a plurality of spray nozzles. The ash cleaning mechanism comprises an ash cleaning port and an ash discharge pipe. The biological-waste-liquid-fired vertical molten salt furnace has the advantages that the temperature above 350DEG C can be obtained, the ash in the furnace body can be automatically cleaned and the service life of the molten salt furnace is prolonged.
Description
Technical field
The invention belongs to a kind of heating equipment, is the vertical molten salt furnace of the biological waste liquid of a kind of combustion specifically.
Background technology
Molten salt furnace is take conduction oil and steam as main fuel, take fused salt as heat carrier, utilizes circulating pump to force liquid phase circulation, and heat energy is flowed to the hot equipment of use, then returns to reheat single flow special type industrial furnace.Yet, surpass 350 ℃ take conduction oil and steam as the heating equipment temperature of heating medium is very difficult, can't satisfy the demand of higher temperature.If act as a fuel with biological waste liquid, although can obtain the temperature more than 350 ℃, but because the particularity of biological waste liquid, the interior residual biological waste liquid of heating equipment solidifies slagging scorification easily after the blowing out, can reduce the thermal efficiency, the tradition heating equipment does not have effective way to the lime-ash of clearing up biological waste liquid generation yet, uses this fuel also will shorten the heating equipment life-span.
Summary of the invention
Waste liquid solidifies slagging scorification easily when overcoming prior art take biological waste liquid as fuel, and the shortcoming that shortens the service life of heating equipment the invention provides a kind of vertical molten salt furnace of the biological waste liquid of combustion that can obtain temperature more than 350 ℃.
Fire the vertical molten salt furnace of biological waste liquid, comprise the molten salt furnace body, soot blower structure, deashing mechanism, air preheater and flue-dust separator;
The molten salt furnace body comprises body of heater, is positioned at the combustion heating furnace of bottom of furnace body, fused salt conveyance conduit and the combustion air pipeline that is communicated with combustion heating furnace, and the waste gas outlet that is positioned at the body of heater top; Combustion heating furnace uses kinematic viscosity to be less than or equal to 200mm
2The biological waste liquid of/s acts as a fuel;
Air preheater comprises shell and air heat-exchange pipe, and the import of air heat-exchange pipe sucks outside air, and the outlet of air heat-exchange pipe is communicated with the combustion air pipeline; Cavity between shell and the air heat-exchange pipe forms preheating cavity, the preheating cavity outlet that preheating cavity comprises the preheating cavity entrance that is communicated with waste gas outlet and is communicated with flue-dust separator;
Flue-dust separator is provided with exhaust outlet;
The soot blower structure is installed on the body of heater top, and the soot blower structure comprises the appendix that is connected with high-pressure air source, the jet pipe that is connected with appendix and a plurality of nozzles that are distributed on the jet pipe;
Deashing mechanism comprises the cleaning door that is positioned at bottom of furnace body and the ash releasing tube that is connected with cleaning door, and ash releasing tube is obliquely installed, and the ash releasing tube bottom is provided with ash hole straight down.
Further, the jet pipe of soot blower structure is circular arc, and nozzle is distributed on the jet pipe uniformly.
Further, the fused salt conveyance conduit is comprised of the inner ring spiral coil that is interconnected and outer ring spiral coil, combustion heating furnace is positioned at the zone that the inner ring spiral coil surrounds, and surrounds heat exchanging chamber between inner ring spiral coil and the outer ring spiral coil, and heat exchanging chamber is provided with and allows high-temperature flue gas to enter breach in it.Inner ring spiral coil and outer ring spiral coil surround respectively cylindrical; Heat exchanging chamber is the cylinder annular.
The fused salt conveyance conduit surrounds columniform combustion space, and combustion heating furnace is positioned at the combustion space.Fused salt in the high-temperature flue gas heating fused salt conveyance conduit that fuel combustion forms is to melting, heating up.
The present invention has can obtain temperature more than 350 ℃, and the cigarette ash in can the Automatic clearance body of heater, the advantage that prolongs the service life of molten salt furnace.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the schematic diagram of jet pipe.
The specific embodiment
Fire the vertical molten salt furnace of biological waste liquid, comprise molten salt furnace body 1, soot blower structure 2, deashing mechanism 3, air preheater 4 and flue-dust separator 5.After flue-dust separator 5 is separated from the gas with lime-ash, again gas is discharged.
Molten salt furnace body 1 comprises body of heater 11, is positioned at the combustion heating furnace of body of heater 11 bottoms, fused salt conveyance conduit and the combustion air pipeline 12 that is communicated with combustion heating furnace, and the waste gas outlet that is positioned at body of heater 11 tops; Combustion heating furnace uses kinematic viscosity to be less than or equal to 200mm
2The biological waste liquid of/s acts as a fuel.The entrance of fused salt conveyance conduit is positioned at body of heater 11 bottoms, during work, fused salt enters in the fused salt conveyance conduit from body of heater 11 bottoms, burn biological waste liquid of combustion heating furnace produces high-temperature flue gas, high-temperature flue gas carries out radiation heat transfer to the fused salt conveyance conduit, fused salt is heated fusing and is liquid, and the liquid fused salt continues to heat up and reaches temperature required.
Flue-dust separator 5 is provided with exhaust outlet; Soot blower structure 2 is installed on body of heater 11 tops, and soot blower structure 2 comprises the appendix 21 that is connected with high-pressure air source, the jet pipe 22 that is connected with appendix 21 and a plurality of nozzles 23 that are distributed on the jet pipe 22.When molten salt furnace quits work, open high-pressure air source, gas is purged to body of heater 11 bottoms from nozzle 23 ejections to body of heater 11 interior purgings with the lime-ash in the stove.The jet pipe 22 of soot blower structure 2 is circular arc, and nozzle 23 is distributed on the jet pipe 22 uniformly.The air-out zone of circular arc can purge the lime-ash in the body of heater 11 to a greater extent, purges effective.
Deashing mechanism 3 comprises the cleaning door 31 that is positioned at body of heater 11 bottoms and the ash releasing tube 32 that is connected with cleaning door 31, and ash releasing tube 32 is obliquely installed, and ash releasing tube 32 bottoms are provided with ash hole 33 straight down.Lime-ash accumulates in cleaning door 31 places, discharges through ash releasing tube 32.Lime-ash in the stove is cleaned, and flue gas is directly contacted with the fused salt conveyance conduit, improves heat exchange efficiency, prolongs the service life of molten salt furnace.
The fused salt conveyance conduit is comprised of the inner ring spiral coil 12 that is interconnected and outer ring spiral coil 13, combustion heating furnace is positioned at the zone that inner ring spiral coil 12 surrounds, surround heat exchanging chamber between inner ring spiral coil 12 and the outer ring spiral coil 13, heat exchanging chamber is provided with and allows high-temperature flue gas to enter breach in it.Inner ring spiral coil 12 and outer ring spiral coil 13 surround respectively cylindrical; Heat exchanging chamber is the cylinder annular.High-temperature flue gas moves upward from body of heater 11 belows, again in breach enters heat exchanging chamber, after high-temperature flue gas is filled full heat exchanging chamber, high-temperature flue gas respectively with inner ring spiral coil 12 and 13 heat exchange of outer ring spiral coil, heat exchange efficiency is high.Outer ring spiral coil 13 is close to body of heater 11 inwalls, and body of heater 11 is made by insulation material.
The fused salt conveyance conduit surrounds columniform combustion space, and combustion heating furnace is positioned at the combustion space.Fused salt in the high-temperature flue gas heating fused salt conveyance conduit that fuel combustion forms is to melting, heating up.
The present invention has can obtain temperature more than 350 ℃, and can the Automatic clearance body of heater cigarette ash in 11, the advantage that prolongs the service life of molten salt furnace.
The described content of this specification embodiment only is enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also reaches in those skilled in the art conceives the equivalent technologies means that can expect according to the present invention.
Claims (4)
1. fire the vertical molten salt furnace of biological waste liquid, it is characterized in that: comprise the molten salt furnace body, soot blower structure, deashing mechanism, air preheater and flue-dust separator; The molten salt furnace body comprises body of heater, is positioned at the combustion heating furnace of bottom of furnace body, fused salt conveyance conduit and the combustion air pipeline that is communicated with combustion heating furnace, and the waste gas outlet that is positioned at the body of heater top; Combustion heating furnace uses kinematic viscosity to be less than or equal to 200mm
2The biological waste liquid of/s acts as a fuel; Air preheater comprises shell and air heat-exchange pipe, and the import of air heat-exchange pipe sucks outside air, and the outlet of air heat-exchange pipe is communicated with the combustion air pipeline; Cavity between shell and the air heat-exchange pipe forms preheating cavity, the preheating cavity outlet that preheating cavity comprises the preheating cavity entrance that is communicated with waste gas outlet and is communicated with flue-dust separator; Flue-dust separator is provided with exhaust outlet; The soot blower structure is installed on the body of heater top, and the soot blower structure comprises the appendix that is connected with high-pressure air source, the jet pipe that is connected with appendix and a plurality of nozzles that are distributed on the jet pipe; Deashing mechanism comprises the cleaning door that is positioned at bottom of furnace body and the ash releasing tube that is connected with cleaning door, and ash releasing tube is obliquely installed, and the ash releasing tube bottom is provided with ash hole straight down.
2. the vertical molten salt furnace of the biological waste liquid of combustion as claimed in claim 1, it is characterized in that: the jet pipe of soot blower structure is circular arc, and nozzle is distributed on the jet pipe uniformly.
3. the vertical molten salt furnace of the biological waste liquid of combustion as claimed in claim 1 or 2, it is characterized in that: the fused salt conveyance conduit is comprised of the inner ring spiral coil that is interconnected and outer ring spiral coil, combustion heating furnace is positioned at the zone that the inner ring spiral coil surrounds, surround heat exchanging chamber between inner ring spiral coil and the outer ring spiral coil, heat exchanging chamber is provided with and allows high-temperature flue gas to enter breach in it.
4. the vertical molten salt furnace of the biological waste liquid of combustion as claimed in claim 3, it is characterized in that: inner ring spiral coil and outer ring spiral coil surround respectively cylindrical; Heat exchanging chamber is the cylinder annular.
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CN201210535679.5A CN103017336B (en) | 2012-12-12 | 2012-12-12 | Biological-waste-liquid-fired vertical molten salt furnace |
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CN201210535679.5A CN103017336B (en) | 2012-12-12 | 2012-12-12 | Biological-waste-liquid-fired vertical molten salt furnace |
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CN103017336A true CN103017336A (en) | 2013-04-03 |
CN103017336B CN103017336B (en) | 2015-05-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106362650A (en) * | 2016-10-11 | 2017-02-01 | 东华工程科技股份有限公司 | Skid-mounted fused salt pre-mixing and salt dissolving system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2554482Y (en) * | 2002-06-14 | 2003-06-04 | 吴志中 | Horizontal refuse incineration heat conduction furnace |
CN202973533U (en) * | 2012-12-12 | 2013-06-05 | 浙江特富锅炉有限公司 | Biomass fuel waste liquid vertical type molten salt furnace |
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2012
- 2012-12-12 CN CN201210535679.5A patent/CN103017336B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2554482Y (en) * | 2002-06-14 | 2003-06-04 | 吴志中 | Horizontal refuse incineration heat conduction furnace |
CN202973533U (en) * | 2012-12-12 | 2013-06-05 | 浙江特富锅炉有限公司 | Biomass fuel waste liquid vertical type molten salt furnace |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106362650A (en) * | 2016-10-11 | 2017-02-01 | 东华工程科技股份有限公司 | Skid-mounted fused salt pre-mixing and salt dissolving system |
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CN103017336B (en) | 2015-05-13 |
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Address after: Changan city Jiaxing town Zhejiang city of Haining province (314400 agricultural areas) and tide Road No. 36 Patentee after: Zhejiang Tefu Development Co., Ltd Address before: 314422 Haining Agriculture Comprehensive Development Zone, Jiaxing, Zhejiang Province Patentee before: ZHEJIANG TUFF BOILER Co.,Ltd. |
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