CN109140765A - A kind of alcohol-based fuel boiler combustion system - Google Patents
A kind of alcohol-based fuel boiler combustion system Download PDFInfo
- Publication number
- CN109140765A CN109140765A CN201811061782.4A CN201811061782A CN109140765A CN 109140765 A CN109140765 A CN 109140765A CN 201811061782 A CN201811061782 A CN 201811061782A CN 109140765 A CN109140765 A CN 109140765A
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- Prior art keywords
- boiler
- alcohol
- burner hearth
- air
- based fuel
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- Legal status (The legal status 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 status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The present invention relates to Industrial Boiler Technology fields, more particularly to a kind of alcohol-based fuel boiler combustion system, including boiler, holding furnace, auto-admission system and automatic feed system, the tail gas of the boiler enters holding furnace heating after passing through oxygen content detecting system, heating pipe is equipped in the holding furnace, water in heating pipe enters boiler after preheating by tail gas, the water outlet of holding furnace is equipped with water temperature detection system, and the auto-admission system connects the burner hearth of the boiler with the automatic feed system.Of the invention is preferentially: being sufficiently mixed raising efficiency of combustion by fuel and air；The burning of fuel is reduced using the thermoradiation efficiency of siderochrome aluminium net, it is energy saving；The dump energy for rationally utilizing tail gas, preheats the water for entering boiler in advance, reduces thermal energy waste；Automatic operation is realized to entire filtering boiler using the automatic detection and operating system at each position, rationally controls air inlet and inlet amount in burner hearth, it is energy-efficient to achieve the purpose that.
Description
Technical field
The present invention relates to Industrial Boiler Technology field more particularly to a kind of alcohol-based fuel boiler combustion systems.
Background technique
Traditional Industrial Boiler is heated using firewood, coal, diesel oil, natural gas as fuel.China is world today's fire coal
Industrial Boiler production and most commonly used country, however a major issue existing for coal-burned industrial boiler is the dirt to environment
Dye is serious.Pollution problem main cause existing for Industrial Boiler has the following: first is that technology generally relatively falls behind, fire grate, subsidiary engine
Deng universal poor；Second is that Industrial Boiler operation operational efficiency is low；Third is that coal quantity is not inconsistent with boiler design generally.With current state
Interior Industrial Boiler year consumption mark coal amount is about 3.8 hundred million tons of calculating, and China's coal-burned industrial boiler discharges about 6,400,000 tons of SO2,26.7 every year
Hundred million tons of CO2,3,500,000 tons of dust, these emissions are all pollution air main sources.
The selection of attention with people to environmental issue, clean energy resource is of increasing concern.Clean alcohol-based fuel is easy
Complete decomposition combustion, discharge product is steam and carbon dioxide, therefore energy-efficient subtract may be implemented in clean alcohol-based fuel boiler
Row.As it can be seen that using alcohol-based fuel as substitution fire coal, fuel-oil or fuel-gas boiler in industry, civilian (heating, bathing etc.) certain fields
It uses, for realizing that the target of energy-saving and emission-reduction carbon drop discharge of society has great significance.
Every one ton of alcohol-based fuel of burning relatively one ton of about 1.3 tons of coal reducing emission of carbon dioxide of burning reduces pernicious gas 150Kg.
Petroleum fuel is substituted comprehensively in industry, civil heat supply system field, forms the pattern that alcohol-based fuel uses.Compared with traditional fuel
Boiler, with alcohol-based fuel heat boiler combustion it is abundant, emission is pollution-free, and heat utilization efficiency is very high, thus its discharge have
The tail gas of heat is not used, that is, causes the waste of the energy.
It is filled with water heating application No. is the patent water pipe of CN201720265354.8, is filled with water heating compared to traditional cooking-pot type,
Heating surface area increases, and the utilization rate promoting or transferring of thermal energy is high, and the speed for heating water faster, has saved fuel, is secondly sprayed using spray head
Alcohol-based fuel carries out igniting heating, so that the burning of alcohol-based fuel is more abundant, utilization rate is higher, further saves fuel, increases
Economic benefit is added, but the invention is well using a large amount of thermal energy in tail gas, and by alcohol-based fuel spray combustion, energy
It consumes larger.
Therefore, the characteristics of how burning and discharge using alcohol-based fuel, by the combustion heating for changing conventional vapor boiler
Mode guarantees to obtain high burning efficiency and is transformed into effective heat utilization efficiency, realizes the energy-efficient of alcohol-based fuel Industrial Boiler,
It is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of the above problems, the present invention proposes a kind of alcohol-based fuel boiler combustion system, using alcohol-based fuel, pass through offer
It enough air and increases and the contact area of air improves the efficiency of combustion of alcohol-based fuel, and tail gas is rationally utilized, by tail
The a large amount of thermal energy contained in gas are energy-efficient to achieve the purpose that for the water in preboiler.
In order to achieve the above object, the present invention is achieved through the following technical solutions: a kind of alcohol-based fuel boiler combustion system,
Including boiler, holding furnace, auto-admission system and automatic feed system, the tail gas of the boiler passes through after oxygen content detecting system
Into heat preservation stove heating, heating pipe is equipped in the holding furnace, the water in heating pipe enters boiler after preheating by tail gas,
The water outlet of holding furnace is equipped with water temperature detection system, and the auto-admission system connects the boiler with the automatic feed system
Burner hearth.
Preferably, the holding furnace offgas outlet is equipped with tail gas pressure detection system and exhaust temperature detection system.
Preferably, the boiler furnace is equipped with furnace temperature detection system and pressure detecting system.
The present invention reaches boiler heating purpose by auto-admission system and the reasonably combined gas material ratio of automatic feed system
Reduce energy surplus to the greatest extent simultaneously, furnace temperature detection system generally controls temperature in 900-1200 to detect temperature in burner hearth
℃.Pressure detecting system can make a large amount of cold air enter burner hearth to detect the pressure in burner hearth, hypotony, inhibit combustion
Temperature is burnt, it is too low or even interior explosion can be caused；Hypertonia can make amount of heat flow away from exhaust gas channel, reduce efficiency of combustion.
Content of the oxygen content detecting system to detect oxygen in tail gas illustrates air excess if too high oxygen level, need to reduce burner hearth
Interior air inlet ratio.Water temperature detection system is to detect the water temperature being discharged in holding furnace, and the present invention staff is by repeatedly practical
Operation, obtains holding furnace leaving water temperature in 70-90 degree；Temperature of the exhaust temperature detection system to detect tail gas after heat exchange,
Exhaust temperature after heat exchange at 30-50 DEG C, answer to observe the tail gas pressure in holding furnace, tail gas by tail gas pressure detection system
It is then exhausted from when doing appropriate stop in holding furnace, to guarantee sufficient heat exchanger time, while avoiding holding furnace too high pressure
There is safety problem.
Preferably, the burner hearth and the furnace chamber above the burner hearth that the boiler includes lower section, the holding furnace is interior to be added
The water outlet of heat pipeline is connected to the furnace chamber, and the holding furnace is connected with the top of the burner hearth by waste heat pipeline, burns
The tail gas of generation enters holding furnace by waste heat pipeline, and the water preheated through tail gas enters furnace chamber by heating pipe water outlet.
Preferably, the automatic feed system includes burning zone, fuel tank and the feed pipe positioned at burner hearth bottom, described
Burning zone is up-and-down ferrum-chromium-aluminum web frame, and the fuel tank is connected to burning zone, the feed pipe by feed pipe
It is equipped with automatic feed valve, siderochrome aluminium net is heat-resisting material, can be used for bearing burner hearth high temperature, is in addition had after the heating of siderochrome aluminium net
Very strong thermoradiation efficiency can reduce the burning of fuel to a certain extent.
Preferably, the auto-admission system includes air compressor and the air supply tube that is connected with the air compressor
Road, the air supply duct are communicated with the burner hearth, blow air to burner hearth to improve efficiency of combustion.
It is further preferred that the air supply duct is equipped with several air pushing holes, the air-out direction of the air pushing hole in burner hearth
It is directed at the burning zone, the air supply duct is additionally provided with automatic flow control valve outside burner hearth, controls the air-out direction pair of air
On the one hand quasi- burning zone is rationally effectively guaranteed the full combustion of fuel using air, in addition can avoid enter into burner hearth
Air is directly mixed in tail gas and runs from waste heat pipeline, air inflow of the automatic flow control valve to control air.
Still more preferably, the air outlet of the air pushing hole be in far from come wind side be provided with arc convex, from pressure
The air that contracting machine comes will form vortex into burner hearth after encountering arc convex, be sufficiently mixed air and fuel, efficient burning.
Preferably, the heating pipe is the setting of detour pipeline, increases the contact area of heating pipe and tail gas, improves tail
The utilization efficiency of temperature degree.
Preferably, the pressure detection system, water temperature detection system, furnace temperature detection system, pressure detecting system, oxygen content
Detection system, auto-admission system, automatic feed system all connect PLC control system, and all detection datas are by timely feedbacking
Reasonable Regulation And Control is carried out to PLC system, using automatic processing, improves operating efficiency.
Of the invention is preferentially:
(1) boiler is rationally designed, raising efficiency of combustion is sufficiently mixed by alcohol-based fuel and air；Utilize the heat of siderochrome aluminium net
Radiation effect reduces the burning of fuel, energy saving；The dump energy of tail gas is rationally utilized, it is pre- in advance to the water for entering boiler
Heat reduces thermal energy waste, energy saving.
(2) automatic operation is realized to entire filtering boiler using the automatic detection and operating system at each position, rationally
Air inlet and inlet amount in burner hearth are controlled, it is energy-efficient to achieve the purpose that.
Detailed description of the invention
Attached drawing 1 is flow diagram of the invention；
Attached drawing 2 is the structural schematic diagram of boiler used in the present invention；
1- burner hearth, 2- furnace chamber, 3- holding furnace, 4- heating pipe, 41- water inlet, 42- water outlet, 5- waste heat pipeline, 51- tail gas
Entrance, 52- offgas outlet, 6- burning zone, 7- air compressor, 8- air supply duct, 10- automatic flow control valve, 11- air-supply
Hole, 12- arc convex, 13- fuel tank, 14- automatic feed valve, 15- feed pipe, 16- digital thermometer a, 17- air pressure test
Instrument a, 18- digital thermometer b, 19- oxygen content detector, 20- air pressure test instrument b, 21- digital thermometer c.
Specific embodiment
This specific implementation method is only explanation of the invention, is not limitation of the present invention.Those skilled in the art
Member's any change made after having read specification of the invention, as long as within the scope of the claims, it all will be by
To the protection of Patent Law.
Embodiment:
A kind of alcohol-based fuel boiler combustion system, including boiler, the boiler include lower section burner hearth 1 and be located at the burner hearth 1
The furnace chamber 2 of top further includes holding furnace 3, and the holding furnace 3 is connected with the top of the burner hearth 1 by waste heat pipeline 5, is protected
It is provided with heating pipe 4 in warm furnace 3, is arranged for detour pipeline, the contact area of heating pipe 4 and tail gas is increased, improves tail gas
The utilization efficiency of temperature, 4 one end of heating pipe are water inlet 41, the water outlet 42 of the heating pipe other end and 2 phase of furnace chamber
Connection, heating pipe are arranged close to gas inlet 51 close to 42 1 sections of water outlet, are similar to and are condensed back, close to heat preservation furnace exhaust gas
The pipeline that the line temperature of entrance 51 is relatively distant from gas inlet 51 is higher, it is ensured that enters the water temperature of boiler furnace chamber 2 from holding furnace 3
Highest, burner hearth 1 are connected with automatic feed system, and the burning zone 6 including being located at burner hearth bottom, the burning zone 6 is up-and-down
On the one hand in addition siderochrome aluminium net with the contact area of increasing fuel and air, can use the heat radiation of siderochrome aluminium net to save
The about energy, automatic feed system further include fuel tank 13 and feed pipe 15, and the fuel tank 13 is connected to by feed pipe 15
Burning zone 6, alcohol-based fuel enter 6 combustion heating of burning zone from the bottom of boiler, and the feed pipe 15 is equipped with automatic feed
Valve 14, control enters the fuel quantity of burner hearth 1, the invention also includes auto-admission system, including air compressor 7 and with the sky
The connected air supply duct 8 of air compressor 7, the air supply duct 8 are communicated with the burner hearth 1, and air supply duct 8 is provided in burner hearth
The air-out direction of several air pushing holes 11, air pushing hole 11 is directed at the burning zone 6, air is passed through in burner hearth 1, so that alcohol-based fuel
Full combustion improves energy utilization rate, and the air-out direction that air pushing hole 11 controls air is directed at burning zone 6, on the one hand rationally effective
The full combustion for guaranteeing fuel using air, the air that in addition can avoid enter into burner hearth 1 is directly mixed in tail gas from waste heat
Pipeline 5 run walk, the air outlet of air pushing hole 11 be in far from come wind side be provided with arc convex 12, come from air compressor 7
Air encounter and will form vortex after arc convex 12 and enter burner hearth 1, be sufficiently mixed air and fuel, efficient burning, air inlet pipe 8
It is equipped with automatic flow control valve 10, the automatic feed valve 14 of fuel is cooperated to control reasonable air inflow.
In order to improve worker operation efficiency and safe operation, the present invention adds multiple detection systems by PLC control system
It unites energy-efficient to achieve the purpose that.Furnace temperature detection system includes digital thermometer a16, is arranged in 1 side wall of burner hearth, to detect
Temperature in burner hearth 1 generally controls temperature at 900-1200 DEG C.Pressure detecting system includes air pressure detector a17, is arranged in furnace
1 side wall of thorax, to detect the pressure in burner hearth 1, hypotony can make a large amount of cold air enter burner hearth 1, inhibit burning temperature
Degree, it is too low or even interior explosion can be caused；Hypertonia can make amount of heat flow away from exhaust gas channel, reduce efficiency of combustion.Oxygen contains
Amount detection systems include oxygen content detector 19, are arranged on waste heat pipeline 5, to detect the content of oxygen in tail gas, if
Too high oxygen level illustrates air excess, need to reduce air inlet ratio in burner hearth 1.Water temperature detection system includes digital thermometer
B18, setting is in water outlet 42, and to detect the water temperature being discharged in holding furnace, the present invention staff passes through multiple practical operation, obtains
Holding furnace leaving water temperature is in 70-90 degree；Exhaust temperature detection system includes digital thermometer c21, and setting goes out in heat preservation furnace exhaust gas
At mouthfuls 52, to detect the temperature of tail gas after heat exchange, exhaust temperature after heat exchange is at 30-50 DEG C, tail gas pressure detection system
System includes air pressure detector b20, is arranged at holding furnace offgas outlet 52, to observe the tail gas pressure in holding furnace, tail gas
Appropriate stop should be done in holding furnace to be then exhausted from, and to guarantee sufficient heat exchanger time, while avoiding pressure mistake in holding furnace
There is safety problem in height.The information that all appts obtain can be fed back in PLC system, controlled by the variation of information automatically into
Gas system and the reasonably combined gas material ratio of automatic feed system, to reach boiler, most efficiently heating purpose is energy saving simultaneously.
The present invention passes through longtime running, in conjunction with composite factors such as cost of investment, operating cost, national policy, costs of labor,
By taking 600,000 kilocalories (1t/h) steam boiler as an example, different fuel comparisons is added, and (for boiler a using electricity as fuel, boiler b is biological
Matter fuel, boiler c gas fuel), obtain data as shown in the table:
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of alcohol-based fuel boiler combustion system, including boiler, holding furnace, auto-admission system and automatic feed system,
Be characterized in that: the tail gas of the boiler is heated by entering holding furnace after oxygen content detecting system, is equipped with and is added in the holding furnace
Heat pipeline, the water in heating pipe enter boiler after preheating by tail gas, the water outlet of holding furnace is equipped with water temperature detection system, institute
State the burner hearth that auto-admission system connects the boiler with the automatic feed system.
2. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the heat preservation furnace exhaust gas goes out
Mouth is equipped with tail gas pressure detection system and exhaust temperature detection system.
3. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the boiler furnace is equipped with
Furnace temperature detection system and pressure detecting system.
4. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the boiler includes lower section
Burner hearth and the furnace chamber above the burner hearth, the water outlet of heating pipe is connected to the furnace chamber in the holding furnace, described
Holding furnace is connected with the top of the burner hearth by waste heat pipeline.
5. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the automatic feed system
Burning zone, fuel tank and feed pipe including being located at burner hearth bottom, the burning zone are up-and-down ferrum-chromium-aluminum web frame,
The fuel tank is connected to burning zone by feed pipe, and the feed pipe is equipped with automatic feed valve.
6. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the auto-admission system
Including air compressor and the air supply duct being connected with the air compressor, the air supply duct is communicated with the burner hearth.
7. a kind of alcohol-based fuel boiler combustion system according to claim 6, it is characterised in that: the air supply duct is in furnace
Several air pushing holes are equipped in thorax, the air-out direction of the air pushing hole is directed at the burning zone, and the air supply duct is gone back outside burner hearth
Equipped with automatic flow control valve.
8. a kind of alcohol-based fuel boiler combustion system according to claim 7, it is characterised in that: the outlet air of the air pushing hole
Mouth be in far from come wind side be provided with arc convex.
9. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the heating pipe is circuitous
The setting of return pipe road.
10. a kind of alcohol-based fuel boiler combustion system according to claim 1, it is characterised in that: the pressure detection system
System, water temperature detection system, furnace temperature detection system, pressure detecting system, oxygen content detecting system, auto-admission system, automatically into
Material system all connects PLC control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061782.4A CN109140765A (en) | 2018-09-12 | 2018-09-12 | A kind of alcohol-based fuel boiler combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811061782.4A CN109140765A (en) | 2018-09-12 | 2018-09-12 | A kind of alcohol-based fuel boiler combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109140765A true CN109140765A (en) | 2019-01-04 |
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ID=64824937
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811061782.4A Pending CN109140765A (en) | 2018-09-12 | 2018-09-12 | A kind of alcohol-based fuel boiler combustion system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3195434U (en) * | 2014-10-20 | 2015-01-22 | 健一 清田 | Air conditioning / medium temperature control equipment for house cultivation facilities |
| CN204214139U (en) * | 2014-10-21 | 2015-03-18 | 保定市恒宇机械电器制造有限公司 | A kind of condensed type combustion gas flue gas waste heat recovery apparatus |
| CN205979758U (en) * | 2016-08-10 | 2017-02-22 | 中蓝能源（深圳）有限公司 | Intelligence combustor |
| CN206609005U (en) * | 2017-03-19 | 2017-11-03 | 四川森田新能源科技有限公司 | New Alcohol Based fuel boiler |
| CN206861883U (en) * | 2017-06-20 | 2018-01-09 | 开化前沿防水材料有限公司 | The heat reclamation device of heat conducting oil boiler |
-
2018
- 2018-09-12 CN CN201811061782.4A patent/CN109140765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3195434U (en) * | 2014-10-20 | 2015-01-22 | 健一 清田 | Air conditioning / medium temperature control equipment for house cultivation facilities |
| CN204214139U (en) * | 2014-10-21 | 2015-03-18 | 保定市恒宇机械电器制造有限公司 | A kind of condensed type combustion gas flue gas waste heat recovery apparatus |
| CN205979758U (en) * | 2016-08-10 | 2017-02-22 | 中蓝能源（深圳）有限公司 | Intelligence combustor |
| CN206609005U (en) * | 2017-03-19 | 2017-11-03 | 四川森田新能源科技有限公司 | New Alcohol Based fuel boiler |
| CN206861883U (en) * | 2017-06-20 | 2018-01-09 | 开化前沿防水材料有限公司 | The heat reclamation device of heat conducting oil boiler |
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Application publication date: 20190104 |