CN107631283A - A kind of high efficiency alcohol base fueled steam boiler - Google Patents

A kind of high efficiency alcohol base fueled steam boiler Download PDF

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Publication number
CN107631283A
CN107631283A CN201711066610.1A CN201711066610A CN107631283A CN 107631283 A CN107631283 A CN 107631283A CN 201711066610 A CN201711066610 A CN 201711066610A CN 107631283 A CN107631283 A CN 107631283A
Authority
CN
China
Prior art keywords
heater box
combustion chamber
pot
air
exhaust gas
Prior art date
Application number
CN201711066610.1A
Other languages
Chinese (zh)
Inventor
唐德养
Original Assignee
桂林市宏远环保设备制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 桂林市宏远环保设备制造有限公司 filed Critical 桂林市宏远环保设备制造有限公司
Priority to CN201711066610.1A priority Critical patent/CN107631283A/en
Publication of CN107631283A publication Critical patent/CN107631283A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a kind of high efficiency alcohol base fueled steam boiler, including pot body, positioned at the combustion chamber of pot body interior, smoke pipe and middle heater box and the exhaust gas channel and air blower positioned at pot body exterior, combustion chamber is located at pot body bottom portion, combustion chamber is provided with burner, middle heater box is located above combustion chamber, passes through smoke pipe and combustion chamber;Exhaust gas channel is connected by the pipeline through pot body barrel and middle heater box, and institute's air blower delivers air to combustion chamber by air duct, and air duct part is located in exhaust gas channel.The present invention delivers air to combustion chamber to solve the problems, such as combustion chamber anoxic by air blower, realize the reasonable oxygen supply of steam boiler, the air duct part for conveying air simultaneously is located in exhaust gas channel, the air inside air duct is preheated using the temperature inside exhaust gas channel, avoids the low air of temperature from reducing the temperature of combustion chamber so as to be unfavorable for the abundant decomposition of alcohol-based fuel.

Description

A kind of high efficiency alcohol base fueled steam boiler
Technical field
The present invention relates to steam boiler technical field, more particularly to a kind of high efficiency alcohol base fueled steam boiler.
Background technology
With greatly improving for living standard, requirement of the country and people to quality of life also more and more higher.In the past pass through The old road that environment changes exhibition can not go further, and as environment is more and more severe, air pollution is increasingly severe, and country adds Greatly to the improvement of pollution, strive from source just will pollution to strangling.
Traditional steam boiler is mainly used as fuel using coal, firewood, diesel oil etc., and these fuel can produce greatly after combustion Measure SO2、CO2With the pollutant such as dust, and in order to cost-effective, these pollutants are just directly discharged in air unprocessed, Great harm is caused to environment.
People gradually recognize this problem, and start to pay attention to clean energy resource, and alcohol-based fuel steam boiler arises at the historic moment.Alcohol Base fuel combustion products are moisture and CO2, therefore more environmentally friendly discharge can be realized for comparing.But in actual use It was found that need high temperature and rational oxygen supply because alcohol-based fuel fully burns, otherwise alcohol-based fuel burns insufficient, the length of flame Short, boiler effective heating surface product is small, influences the boiler efficiency of heating surface.And hot environment and rationally oxygen supply during alcohol-based fuel burning As a contradiction, this undoubtedly constrains promoting the use of for alcohol-based fuel steam boiler significantly.
The content of the invention
The deficiency for more than, the present invention provide a kind of high efficiency alcohol base fueled steam boiler, can solve the problem that alcohol-based fuel burns When the contradiction that need to realize hot environment simultaneously and rationally supply oxygen.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that:
A kind of high efficiency alcohol base fueled steam boiler, including pot body, positioned at combustion chamber, smoke pipe and the centre of the pot body interior Heater box and the exhaust gas channel and air blower positioned at the pot body exterior, the combustion chamber are located at the pot body bottom portion, The combustion chamber is provided with burner, and the middle heater box is located above the combustion chamber, passes through the smoke pipe and institute State combustion chamber;The exhaust gas channel is connected by the pipeline through the pot body barrel and the middle heater box Logical, the air blower delivers air to the combustion chamber by air duct, and the air duct part is located at the tail gas In passage.
Further, the middle heater box is at least one.
Further, when the middle heater box is two or more, the middle heater box arranges from bottom to top, passes through The smoke pipe is connected;The smoke pipe that flue gas enters connects one end port of the middle heater box positioned at the middle heating The top of the inside of case, the smoke pipe that flue gas is gone out connect one end port of the middle heater box positioned at the middle heating Lower section inside case.
Further, one end port of the smoke pipe connection middle heater box is located at the inside of the middle heater box Top;The pipeline for connecting the middle heater box and exhaust gas channel is connected to the bottom of the middle heater box or the centre The bottom of heater box side.
Further, the outside of the pot body and exhaust gas channel is provided with heat-insulation layer.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, the present invention delivers air to combustion chamber to solve the problems, such as combustion chamber anoxic by air blower, realizes steam boiler Rationally oxygen supply, while the air duct part for conveying air is located in exhaust gas channel, using the temperature inside exhaust gas channel to sending Air inside feed channel is preheated, and avoids the low air of temperature from reducing the temperature of combustion chamber so as to be unfavorable for alcohol-based fuel Abundant decomposition;
2nd, in middle heater box, by the way that gas approach is above, the underlying setting in outlet, can subtract to greatest extent The circulation of slow flue gas, then realizes boiler internal heat transfer by way of radiation, improves the rate rate of flue gas heat, improves pot The efficiency of furnace.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment Accompanying drawing be briefly described.
Fig. 1 is the structural representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention discloses a kind of high efficiency alcohol base fueled steam boiler, including pot body 1, positioned at pot body Combustion chamber 2, smoke pipe 3 and middle heater box 4 inside 1 and the exhaust gas channel 5 and air blower 6 outside pot body 1, burning Room 2 is located at the bottom of pot body 1, and combustion chamber 2 is internally provided with burner 7;Middle heater box 4 is located at the top of combustion chamber 2, passes through cigarette Pipe 3 is connected with combustion chamber 2;Exhaust gas channel 5 is connected by the pipeline through the barrel of pot body 1 and middle heater box 4, air blast Machine 6 delivers air to combustion chamber 2 by air duct 8, and the part of air duct 8 is located in exhaust gas channel 5.Air duct 8 can It to be designed at exhaust gas channel 5 using Zigzag type, can so increase stroke of the air duct 8 in exhaust gas channel 5, improve tail gas Flue gas in passage 5 is to the preheating of air efficiency in air duct 8.
In the burning of alcohol-based fuel, the temperature of the pyroreaction kettle formed in burner 7 is often as high as more than 1000 DEG C, This is advantageous to the abundant burning of alcohol-based fuel.But need to consume substantial amounts of oxygen in the combustion process of alcohol-based fuel, but burn The relative closure of room 2, if oxygen content is insufficient(Supply oxygen unreasonable), then it is unfavorable for the combustion decomposition of alcohol-based fuel, alcohol-based fuel Efficiency of combustion is not high, causes the wasting of resources and the boiler efficiency of heating surface low.The method for the solution that the present invention uses is to combustion chamber 2 Air is conveyed, by constantly conveying air so that the burning point that enough oxygen ensures alcohol-based fuel in combustion chamber 2 be present Solution.But the air of low temperature is unfavorable for combustion chamber and keeps high temperature certainly, therefore just to air preheat before air enters combustion chamber 2, The method of use is that the part of air duct 8 is arranged in exhaust gas channel 5, snorkel is preheated by the waste heat of exhaust gas channel 5 Air in road 8, the internal high temperature of combustion chamber 2 is kept as far as possible.The heating for the air being transported in combustion chamber 2 is to pass through exhaust gas channel 5 reach waste heat to heat, and without other consumed energy, are for the utilization to heat caused by alcohol-based fuel, can realize alcohol Utilizing for base fuel maximizes, and also complies with the requirement of energy-saving and emission-reduction.
Further, in the present embodiment among heater box 4 be two, arrange from bottom to top, pass through more array arrangements Smoke pipe 3 is connected.In middle heater box 4, smoke pipe 3 that flue gas enters connect one end port of middle heater box 4 positioned at middle plus The top of the inside of hot tank 4, one end port that the smoke pipe 3 that flue gas is gone out connects middle heater box 4 are located inside middle heater box 4 Lower section.In above-mentioned design, the port for the smoke pipe 3 that flue gas enters is higher than the end for the smoke pipe 3 that flue gas is gone out in middle heater box 4 Mouthful, it is capable of the circulation of reducing smoke, so as to increase the hot-cast socket of flue gas, increases boiler efficiency.The size of middle heater box 4 Size than smoke pipe 3 is big, and under the premise of rational, the size of middle heater box 4 is bigger, and heat exchange area is bigger, subtracts The effect of slow flue gas circulation is more obvious, and heat exchanger effectiveness is more obvious, and the size of middle heater box 4 is bigger, can be stored up in pot body 1 The water deposited is fewer, and hot water heating speed is faster in boiler, and both described boiler startup and furnace outage time were faster, were more favorable to Maintain the heat of the interior water of boiler.
Further, the pipeline of heater box 4 and exhaust gas channel 5 is connected to the middle bottom of heater box 4 among connecting.Due to cigarette Gas possesses very high temperature, thus flue gas be all it is spontaneous up, so exhanst gas outlet is arranged at into lower is advantageous to flue gas Stop, so as to improve the conversion of flue gas heat, improve boiler efficiency.The outside of pot body 1 and exhaust gas channel 5 is provided with heat-insulation layer 9, heat-insulation layer 9 can prevent pot body 1 and the temperature of exhaust gas channel 5 from rapidly diffusing into outside by heat transfer, so as to reduce pot The efficiency of stove.
The present invention operation principle be:Burner 7 in combustion chamber 2 produces high-temperature flue gas by the alcohol-based fuel that burns, so Flue gas is sent in middle heater box 4 by smoke pipe 3 afterwards, flue gas can be radiated in smoke pipe 3 and middle heater box 4 by heat Mode transfer heat to the interior water of boiler, realize the heating of the interior water of boiler, flue gas enters back into exhaust gas channel 5, is discharging The air being sent into before exhaust gas channel 5 to air blower 6 in air duct 8 preheats, and the air of preheating enters back into combustion chamber 2, is The combustion decomposition of alcohol-based fuel provides enough oxygen, can ensure that combustion chamber 2 keeps enough temperature again.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as It is accurate.

Claims (5)

1. a kind of high efficiency alcohol base fueled steam boiler, including pot body(1), positioned at the pot body(1)Internal combustion chamber (2), smoke pipe(3)With middle heater box(4)And positioned at the pot body(1)Outside exhaust gas channel(5)And air blower(6), The combustion chamber(2)Positioned at the pot body(1)Bottom, the combustion chamber(2)It is internally provided with burner(7), its feature exists In:The middle heater box(4)Positioned at the combustion chamber(2)Top, pass through the smoke pipe(3)With the combustion chamber(2)It is connected It is logical;The exhaust gas channel(5)By through the pot body(1)The pipeline of barrel and the middle heater box(4)It is connected, institute State air blower(6)Pass through air duct(8)Deliver air to the combustion chamber(2), the air duct(8)Part is positioned at institute State exhaust gas channel(5)It is interior.
2. high efficiency alcohol base fueled steam boiler according to claim 1, it is characterised in that:The middle heater box(4)Extremely It is one less.
3. high efficiency alcohol base fueled steam boiler according to claim 2, it is characterised in that:When the middle heater box(4) For two or more when, the middle heater box(4)Arrange from bottom to top, pass through the smoke pipe(3)It is connected;The institute that flue gas enters State smoke pipe(3)Connect the middle heater box(4)One end port be located at the middle heater box(4)Inside top, cigarette The smoke pipe that gas is gone out(3)Connect the middle heater box(4)One end port be located at the middle heater box(4)Internal Lower section.
4. high efficiency alcohol base fueled steam boiler according to claim 1, it is characterised in that:The smoke pipe(3)Described in connection Middle heater box(4)One end port be located at the middle heater box(4)Inside top;Connect the middle heater box (4)And exhaust gas channel(5)Pipeline be connected to the middle heater box(4)Bottom or the middle heater box(4)Side Bottom.
5. high efficiency alcohol base fueled steam boiler according to claim 1, it is characterised in that:The pot body(1)And tail gas Passage(5)Outside be provided with heat-insulation layer(9).
CN201711066610.1A 2017-11-02 2017-11-02 A kind of high efficiency alcohol base fueled steam boiler CN107631283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711066610.1A CN107631283A (en) 2017-11-02 2017-11-02 A kind of high efficiency alcohol base fueled steam boiler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711066610.1A CN107631283A (en) 2017-11-02 2017-11-02 A kind of high efficiency alcohol base fueled steam boiler

Publications (1)

Publication Number Publication Date
CN107631283A true CN107631283A (en) 2018-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711066610.1A CN107631283A (en) 2017-11-02 2017-11-02 A kind of high efficiency alcohol base fueled steam boiler

Country Status (1)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2351729Y (en) * 1999-01-16 1999-12-01 梁智 Dust-collecting energy-saving chimney water heater
CN104154519A (en) * 2014-08-22 2014-11-19 桂林市淦隆环保科技有限公司 Alcohol-based fuel steam boiler
CN106152486A (en) * 2016-07-18 2016-11-23 哈尔滨理工大学 A kind of energy-saving combustion unattended boiler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2351729Y (en) * 1999-01-16 1999-12-01 梁智 Dust-collecting energy-saving chimney water heater
CN104154519A (en) * 2014-08-22 2014-11-19 桂林市淦隆环保科技有限公司 Alcohol-based fuel steam boiler
CN106152486A (en) * 2016-07-18 2016-11-23 哈尔滨理工大学 A kind of energy-saving combustion unattended boiler

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Application publication date: 20180126