CN108397773A - A kind of mixed combustion equipment of biomass pyrolytic oil gas - Google Patents
A kind of mixed combustion equipment of biomass pyrolytic oil gas Download PDFInfo
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- CN108397773A CN108397773A CN201810173114.4A CN201810173114A CN108397773A CN 108397773 A CN108397773 A CN 108397773A CN 201810173114 A CN201810173114 A CN 201810173114A CN 108397773 A CN108397773 A CN 108397773A
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- biomass pyrolytic
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D17/00—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel
- F23D17/002—Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel gaseous or liquid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a kind of mixed combustion equipment of biomass pyrolytic oil gas, belong to field of renewable energy technology, the equipment is mainly made of six parts such as air distribution system, oil supply system, pyrolysis gas air supply system, burner, combustion chamber and smoke heat exchanging systems, wherein air distribution system, oil supply system and pyrolysis gas air supply system are that three independent pipelines design, both can individually oil firing or burn gas, can also oil gas it is mixed right, be suitable for a variety of combustion conditions, effectively realize removal and the recycling of tar.Combustion chamber and flue gas heat exchange room use integrated design, reduce installation space, realize the high efficient heat exchanging of flue gas, and smoke outlet installs flue gas analyzer, realizes the on-line monitoring of smoke components.
Description
Technical field
The invention belongs to field of renewable energy technology, and in particular to a kind of mixed combustion equipment of biomass pyrolytic oil gas, the dress
The mixed firinor fuel burning of the standby biological tar and pyrolysis gas generated suitable for the pyrolysis of different kind organism matter, the development of equipment avoid tar and go
Except secondary pollution caused by the process, while being effectively utilized the energy of tar.
Background technology
It can realize that clean energy efficiently converts using biomass as the pyrolytic technique of raw material, the height that biomass pyrolytic generates
Wet body is known as pyrolysis gas of biomass, and not condensible gas i.e. biomass fuel is respectively obtained through technical process such as dedusting, condensation, decokings
Gas and condensible gas.Condensible gas is mainly biomass coke tar, wood vinegar and water vapour, and the main component of biological fuel gas is
CO、CO2、H2、N2、CH4Deng because also containing a certain amount of C2H6、C3H8、C2H4And C3H6Etc. macromoleculars high heat value gas, it is more biological
Matter pyrolytic gasification gas has higher calorific value, can directly burn for heating equipment.Biomass coke tar is as a kind of pyrolysis pair
Product, ingredient is sufficiently complex, mostly benzene derivate and polycyclic aromatic hydrocarbon, is at high temperature gaseous state, when temperature is at 200 DEG C or less
When, most of tar can condense into the thick liquid of dark brown, easily block pipeline, hinder the normal operation of equipment, while burnt
Noxious material in oil will also result in great injury to the health of people, and the removal of pyrolytic tar and reutilization technology also need
Further research.
In existing biomass energy technology, the research of the country such as the U.S., Canada and Britain is relatively advanced, and especially combustion gas is fired
Burner technology develops very ripe, structure design, and parts mounting means and size have international standard, representative
There are German DUNGS companies, Italy BAITE, STEINEN companies of the U.S., NUWAY companies of Britain, external combustor is to air-fuel
The control of ratio is very accurate, and combustor efficiency of combustion is made averagely to reach 99.96%, is relatively chiefly used in power generation and district heating and realizes
Commercial applications.China starts the carry out developmental research to gas burner late 1980s, the middle and later periods nineties,
The continuous enterprise for establishing more manufacture burners in nationwide inland, the Ministry of Agriculture of Agricultural University Of He'nan regenerative resource emphasis open
Laboratory, Inst. of Energy Sources, Henan Prov. Academy of Sciences, Deng Ge scientific research institutions of Northeast Forestry University carry out biomass gas burner
Research, and achieve certain progress, but the burning of combustible gas in research pyrolysis gas is focused primarily upon both at home and abroad, to containing coke
The direct combustion research of the thick pyrolysis gas of oil is less.
Invention content
The purpose of the present invention is to solve tar removal difficulty, pyrolytic technique rear end industries in current pyrolysis gas of biomass
The problems such as chain is not yet opened completely discloses a kind of mixed fire of biomass pyrolytic oil gas and sets in conjunction with existing gas burner the relevant technologies
It is standby.It is characterized in that, a kind of mixed combustion equipment of biomass pyrolytic oil gas, include mainly air distribution system (1), oil supply system (2),
Pyrolysis gas air supply system (3), burner (4), combustion chamber (5) and smoke heat exchanging system (6), it is characterised in that air distribution system
(1) be connected with oil supply system (2) by burner (4), be used for pyrolysis oil atomization, pyrolysis gas air supply system (3) directly with
Burner (4) is connected, and for combustion-supporting, burner (4) rear end connects combustion chamber (5), and combustion chamber upper end installs smoke heat exchanging system additional
(6)。
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that air distribution system (1) is mainly by high pressure
Gas tank (101), hand-operated valve (102), pressure regulator (103), suspended body flowmeter (104), solenoid valve (105) composition.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that oil supply system (2) is mainly by oil storage tank
(201), hand-operated valve one (202), hand-operated valve two (203), y-type filter one (204), y-type filter two (205), basket filtering
Device one (206), basket filter two (207), oil pump (208), solenoid valve one (209) and solenoid valve two (210) composition, wherein hand
Dynamic valve one (202), y-type filter one (204), basket filter one (206) and hand-operated valve two (203), y-type filter two
(205), basket filter two (207) composes in parallel, and can alternately cleaning use, and wherein oil storage tank (201) is external with heating tape,
Temperature is up to 100 DEG C.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that y-type filter one (204), y-type filter
Two (205), basket filter one (206) and basket filter two (207) are all made of 310S stainless steels, y-type filter
(103) installation site will be used in basket filter (104) front end as primary filter.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that pyrolysis gas air supply system (3) is mainly by firing
Gas entrance (301), hand-operated valve (302), filter (303), suspended body flowmeter (304), pressure reducing valve (305) solenoid valve (306) and
Metal hose (307) forms, and wherein pressure reducing valve (305) is used using level-one decompression and second depressurized combinatorial principle.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that burner (4) includes mainly air blower
(401) and isolating high-pressure ignitor (402), isolating high-pressure ignitor (402) are used for pilot fuel, and air blower (401) is matched for providing air
It gives.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that combustion chamber (5) are mainly by two peep holes
(501), burning cavity (502) and three temperature measuring point (503) compositions, wherein burning cavity (502) are made of 310S stainless steels,
Inner lining refractory.
The mixed combustion equipment of a kind of biomass pyrolytic oil gas, it is characterised in that smoke heat exchanging system (6) is mainly by high pressure
Wind turbine (601), heat exchange air temperature measuring point (602), tubular heat exchanger (603), exhanst gas outlet temperature measuring point (604), exhanst gas outlet
(605) and flue gas analyzer interface (606) composition, wherein tubular heat exchanger use 310S stainless steels, and with heat exchange wing
Piece.
A kind of mixed combustion equipment of biomass pyrolytic oil gas, it is characterised in that combustion chamber (5) and smoke heat exchanging system (6)
Belong to integration apparatus, smoke heat exchanging system is mounted on the upper end of combustion chamber, saves mounting area.
Specifically, patent of the present invention has the advantage that compared with prior art：
1) a kind of mixed combustion equipment of biomass pyrolytic oil gas in the present invention is by individual oil circuit, individual combustion gas road and list
Only air road composition both may be implemented independent oil firing or burn gas, can also realize that oil gas is mixed right, to improve the weight such as tar
The combustion conditions of oil.
2) combustion chamber in a kind of mixed combustion equipment of biomass pyrolytic oil gas in the present invention and flue gas heat exchange room are using one
Change design, flue gas heat exchange room uses the tubulation heat exchange principle with fin, heat smoke to walk in tubulation, and heat exchange air is walked outside pipe, should
Structure largely reduces installation space, and realizes the high efficient heat exchanging of flue gas.
Description of the drawings
Fig. 1 is a kind of mixed combustion device structure schematic diagram of biomass pyrolytic oil gas；
In figure, 101-- high-pressure gas tanks, 102-- hand-operated valves, 103-- pressure regulators, 104-- suspended body flowmeters, 105-- electricity
Magnet valve, 201-- oil storage tanks, 202-- hand-operated valves one, 203-- hand-operated valves two, 204--Y type filters one, 205--Y type filters
Two, 206-- basket filter one, 207-- basket filters two, 208-- oil pumps, 209-- solenoid valves one, 210-- solenoid valves two,
301-- fuel gas inlets, 302-- hand-operated valves, 303-- filters, 304-- suspended body flowmeters, 305-- pressure reducing valves, 306-- electromagnetism
Valve, 307-metal hoses, 401-- air blowers, 402-- isolating high-pressure ignitors, 501-- peep holes, 502-- burning cavities, 503--
Temperature measuring point, 601-- high pressure positive blowers, 602-- heat exchange air temperature measuring points, 603-- tubular heat exchangers, 604-- exhanst gas outlet temperature measuring points,
605-- exhanst gas outlets, 606-- flue gas analyzer interfaces.
Specific implementation mode
Below in conjunction with drawings and examples to the concrete structure and course of work further description of the present invention.
If a kind of biomass pyrolytic oil gas of Fig. 1 mixes shown in combustion device structure schematic diagram, which includes mainly distribution system
System (1), oil supply system (2), pyrolysis gas air supply system (3), burner (4), combustion chamber (5) and smoke heat exchanging system (6), wherein
Air distribution system provides atomizing air when burning for tar, high-pressure gas pressure tank is 0.8MPa, after decompression, atomizing pressure
For 0.3MPa；Oil supply system filters out dust in tar by the way of two-stage parallel connection filtering, after through oil pump squeeze into atomization spray
Head, pressure 0.2MPa；Pyrolysis gas air supply system is for combustion-supporting or independent burning, and pressure is about after two-stage decompression
200kPa；Burner can light fuel oil or combustion gas using high-tension ignition；Combustion chamber is for observing the length of flame and checking flame
State, and there are two peep holes for dress；Flue gas heat-exchange unit uses the tubulation heat exchange principle with fin, air-cooled heat exchange to reduce flue gas temperature
Degree, to carry out detection of exhaust gas compositions.
According to the above classification, present invention combination marginal data is as follows：
Embodiment：Carry out pyrolytic tar combustion test
A kind of mixed combustion equipment of biomass pyrolytic oil gas using the present invention carries out the burning of pyrolytic tar, and raw material is to be pyrolyzed
The biomass coke tar and pyrolysis gas of biomass generated at 500 DEG C of condition.Carry out the mixed so experiment of pyrolysis oil gas first, by tar plus
Enter oil storage tank, and set heating temperature as 80 DEG C, connects fuel gas pipeline；Air distribution system valve is opened, adjusting air pressure is
0.3MPa carries out pipeline and purges 3min；Burnt gas valve is opened later, pressure is reduced to 200kPa, is started igniting and is started, works as light
In the presence of dependent sensor detects combustion flame, high-tension ignition is closed, and combustion gas distribution solenoid valve is locked, open oil again later
Road valve and oil pump, adjusting pyrolysis oil atomizing pressure are 0.2MPa, are passed through burner later and burn；Open high pressure positive blower into
Row flue-gas temperature exchanges heat, and high pressure positive blower uses loop control theory with temperature signal, ensures that flue gas exit temperature is 200 DEG C ± 10
℃；Flue gas analyzer is inserted into smoke outlet and carries out detection of exhaust gas compositions.
Then the independent combustion test of tar is carried out, oil storage tank is added in tar, and sets heating temperature as 80 DEG C, connection is fired
Air pipe；Air distribution system valve is opened, adjusting air pressure is 0.3MPa, carries out pipeline and purges 3min；Open oil supply system valve
Door and oil pump start igniting and start, and in the presence of photosensitive sensor detects combustion flame, close high-tension ignition, and by distribution
Solenoid valve is locked, is guaranteed at open state；It opens high pressure positive blower and carries out flue-gas temperature heat exchange, high pressure positive blower is adopted with temperature signal
With loop control theory, ensure that flue gas exit temperature is 200 DEG C ± 10 DEG C；Flue gas analyzer is inserted into smoke outlet and carries out cigarette
Gas composition detection.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the present invention's
Technical solution is modified or replaced equivalently, and without departing from the spirit of the technical scheme of the invention and range, should all be covered
In scope of the presently claimed invention.
Claims (9)
1. a kind of mixed combustion equipment of biomass pyrolytic oil gas includes mainly air distribution system (1), oil supply system (2), pyrolysis gas confession
Gas system (3), burner (4), combustion chamber (5) and smoke heat exchanging system (6), it is characterised in that air distribution system (1) passes through
Burner (4) is connected with oil supply system (2), is used for the atomization of pyrolysis oil, pyrolysis gas air supply system (3) is directly and burner
(4) it is connected, for combustion-supporting, burner (4) rear end connects combustion chamber (5), and combustion chamber upper end installs smoke heat exchanging system (6) additional.
2. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that air distribution system (1)
Mainly by high-pressure gas tank (101), hand-operated valve (102), pressure regulator (103), suspended body flowmeter (104), solenoid valve (105) group
At wherein high-pressure gas tank (101) pressure is 0.8MPa.
3. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that oil supply system (2) is main
By oil storage tank (201), hand-operated valve one (202), hand-operated valve two (203), y-type filter one (204), y-type filter two (205),
Basket filter one (206), basket filter two (207), oil pump (208), solenoid valve one (209) and solenoid valve two (210) group
At wherein hand-operated valve one (202), y-type filter one (204), basket filter one (206) and hand-operated valve two (203), Y type mistakes
Filter two (205), basket filter two (207) compose in parallel, and can alternately cleaning use, wherein oil storage tank (201) it is external with
Heating tape, temperature are up to 100 DEG C.
4. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1 or 3, it is characterised in that y-type filter one
(204), y-type filter two (205), basket filter one (206) and basket filter two (207) are all made of 310S stainless steels
Matter, y-type filter (103) installation site will be used in basket filter (104) front end as primary filter.
5. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that pyrolysis gas air supply system
(3) mainly by fuel gas inlet (301), hand-operated valve (302), filter (303), suspended body flowmeter (304), pressure reducing valve (305) electricity
Magnet valve (306) and metal hose (307) composition, wherein pressure reducing valve (305) are made using level-one decompression and second depressurized combinatorial principle
With.
6. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that burner (4) mainly wraps
Air blower (401) and isolating high-pressure ignitor (402) are included, isolating high-pressure ignitor (402) is used for pilot fuel, and air blower (401) is for carrying
For air dispensing.
7. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that combustion chamber (5) mainly by
Two peep holes (501), burning cavity (502) and three temperature measuring point (503) compositions, wherein burning cavity (502) use 310S
Stainless steel makes, inner lining refractory.
8. a kind of mixed combustion equipment of biomass pyrolytic oil gas according to claim 1, it is characterised in that smoke heat exchanging system (6)
Mainly by high pressure positive blower (601), heat exchange air temperature measuring point (602), tubular heat exchanger (603), exhanst gas outlet temperature measuring point (604),
Exhanst gas outlet (605) and flue gas analyzer interface (606) composition, wherein tubular heat exchanger use 310S stainless steels, and band
There is heat exchange fin.
9. the mixed combustion equipment of a kind of biomass pyrolytic oil gas according to claim 1 or 7 or 8, it is characterised in that combustion chamber (5)
Belong to integration apparatus with smoke heat exchanging system (6), smoke heat exchanging system is mounted on the upper end of combustion chamber, saves mounting area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173114.4A CN108397773B (en) | 2018-03-02 | 2018-03-02 | Biomass pyrolysis oil-gas mixed combustion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173114.4A CN108397773B (en) | 2018-03-02 | 2018-03-02 | Biomass pyrolysis oil-gas mixed combustion equipment |
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| Publication Number | Publication Date |
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| CN108397773A true CN108397773A (en) | 2018-08-14 |
| CN108397773B CN108397773B (en) | 2020-08-11 |
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| CN201810173114.4A Expired - Fee Related CN108397773B (en) | 2018-03-02 | 2018-03-02 | Biomass pyrolysis oil-gas mixed combustion equipment |
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Cited By (4)
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| CN110542630A (en) * | 2019-09-29 | 2019-12-06 | 中国农业科学院农业环境与可持续发展研究所 | Pyrolysis tar atomization level evaluation test method |
| CN110542629A (en) * | 2019-09-29 | 2019-12-06 | 中国农业科学院农业环境与可持续发展研究所 | Pyrolysis tar atomization level evaluation test system |
| CN111664469A (en) * | 2020-05-28 | 2020-09-15 | 新奥生物质能(天津)有限公司 | Control method and control system for combustion of oil-gas dual-purpose boiler |
| CN113280333A (en) * | 2021-06-01 | 2021-08-20 | 中国农业科学院农业环境与可持续发展研究所 | Atomization combustion method of biomass dissolved gas pyrolysis oil |
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| CN110542630A (en) * | 2019-09-29 | 2019-12-06 | 中国农业科学院农业环境与可持续发展研究所 | Pyrolysis tar atomization level evaluation test method |
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| CN113280333B (en) * | 2021-06-01 | 2022-11-18 | 中国农业科学院农业环境与可持续发展研究所 | Atomization combustion method of biomass dissolved gas pyrolysis oil |
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| CN108397773B (en) | 2020-08-11 |
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