CN205556574U - Hierarchical gasifier of living beings low -nitrogen combustion - Google Patents
Hierarchical gasifier of living beings low -nitrogen combustion Download PDFInfo
- Publication number
- CN205556574U CN205556574U CN201620335042.5U CN201620335042U CN205556574U CN 205556574 U CN205556574 U CN 205556574U CN 201620335042 U CN201620335042 U CN 201620335042U CN 205556574 U CN205556574 U CN 205556574U
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- Prior art keywords
- vaporizer
- grades
- vaporizers
- gasification
- fire
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 18
- 238000002309 gasification Methods 0.000 claims abstract description 65
- 239000006200 vaporizer Substances 0.000 claims abstract description 55
- 239000002028 Biomass Substances 0.000 claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 24
- 239000000446 fuel Substances 0.000 claims abstract description 22
- 239000002893 slag Substances 0.000 claims description 22
- 239000002699 waste material Substances 0.000 claims description 10
- 239000000567 combustion gas Substances 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001706 oxygenating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Solid-Fuel Combustion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a hierarchical gasifier of living beings low -nitrogen combustion, the induction cooker comprises a cooker bod, be equipped with elementary vaporizer and second grade vaporizer in the furnace body in proper order, the bottom intercommunication of elementary vaporizer and second grade vaporizer, the pan feeding mouth has been seted up at the top of elementary vaporizer, circulation inclined reciprocating grate machine is installed to the bottom of elementary vaporizer and second grade vaporizer, biomass fuel is followed to circulation inclined reciprocating grate machine elementary vaporizer pushes the burning of gasifying to the second grade vaporizer in, the intercommunication is seted up on the upper portion of elementary vaporizer and second grade vaporizer the low temperature gas exports of elementary vaporizer and second grade vaporizer, install first fan on the furnace body, first fan to carry out the blast air in elementary vaporizer and the second grade vaporizer, the rear side of second grade vaporizer is equipped with the gas exports pipe. The utility model discloses utilize the hierarchical gasification of biomass fuel in the vaporizer, reach the purpose that improves combustion efficiency, fuel saving, saving investment, the low nitrogen emission of control.
Description
Technical field
This utility model relates to gasification boiler equipment technical field, a kind of biomass graded gasification furnace.
Background technology
Compared with fossil fuel energy, the advantage that biomass energy has uniqueness: a) recyclability；B) low stain；C) widely distributed property；D) total amount is enriched.Change production of energy and consumption pattern; develop the clean energy resource resource that biomass energy etc. has environmental friendliness, renewable and resource is the abundantest; it is to solve CNPC, coal shortage; set up continuable energy resource system; ensure national energy security; preserve the ecological environment, improve the main strategic measure of China's sustainable development capacity.Therefore, change production of energy and consumption pattern, develop the reproducible clean energy resource resources such as biomass energy to setting up continuable energy resource system, promote national economic development and environmental conservation is significant.
Biomass fuel has two kinds of combustion systems at present in heating system: one uses custom-designed biomass boiler and coal-fired boiler reform after-combustion；A kind of employing gasification after-combustion.Directly burning because the problem of structure of boiler body causes air leakage coefficient large oxygen quantity difficulty to control, NOx easily exceeds standard and is unable to reach environment protection emission requirement.The mode carried again after using gasification is burnt, and technique is more complicated, and investment is the biggest, and in gasification, the carbon in fuel can not generate CO completely, and remaining carbon is relatively big, and wastage of material is many.
Utility model content
Existing gasification furnace NOx in order to overcome prior art to mention easily exceeds standard, the shortcoming that cost of investment is too high and fuel produces waste because not being gasified totally, this utility model provides a kind of biomass low-nitrogen burning graded gasification furnace, utilize biomass fuel classification gasification in vaporizer, Boiler Furnace chamber inner combustion is together entered with secondary air distribution after producing combustion gas, the heat produced during utilizing the fuel gas such as the CO produced in vaporizer and gasification the most to greatest extent, reach to improve efficiency of combustion, save fuel, reduce investment outlay, control low cost, control low-nitrogen discharged purpose.
This utility model solves its technical problem and be the technical scheme is that a kind of biomass low-nitrogen burning graded gasification furnace, including body of heater, primary vaporizer and two grades of vaporizers it are sequentially provided with in described body of heater, the bottom connection of described primary vaporizer and two grades of vaporizers, the top of described primary vaporizer offers feeding mouth, the bottom of described primary vaporizer and two grades of vaporizers is provided with the fire-grating machine that moves in circles, biomass fuel is constantly pushed into two grades of vaporizers from described primary vaporizer and carries out gasification, and combustion by the described fire-grating machine circulation that moves in circles, the described primary vaporizer of connection and the low temperature gas outlet of two grades of vaporizers are offered in the top of described primary vaporizer and two grades of vaporizers, in primary vaporizer, a combustion gas part for gasification can be circulated to described two grades of vaporizers by described low temperature gas outlet；Being provided with the first blower fan on described body of heater, described first blower fan carries out air blast in described primary vaporizer and two grades of vaporizers, and for the gasification oxygenating of biomass fuel, the back side top of described two grades of vaporizers is provided with gas outlet pipe.
Further, high-temperature gasification room it is additionally provided with in described body of heater, described high-temperature gasification room is placed in the rear end of described two grades of vaporizers, described high-temperature gasification room connects with the bottom of described two grades of vaporizers, the described biomass fuel moved in circles on fire-grating machine sequentially passes through described primary vaporizer, two grades of vaporizers and high-temperature gasification room and carries out gasification, and combustion, discharges at the described gas outlet pipe of the fuel gas return-flow after described high-temperature gasification indoor gasification to described two grades of vaporizers.
Further, described body of heater offers the first air port in the bottom of primary vaporizer, described first blower fan connects described first air port and carries out air blast in described primary vaporizer, described first air port be placed in described in move in circles fire-grating machine front end at, and described first air port be placed in described in move in circles fire-grating machine transport level below.
The existing fire-grating machine of structural reference of the described fire-grating machine that moves in circles, it is mainly made up of parts such as moved cross beam, fixed cross beam, moving grate, fixed grates.
Further, the second air compartment it is also equipped with on described body of heater, described gas outlet pipe passes described second air compartment, described second air compartment is provided with annular air pipeline, gas outlet pipe described in described annular air duct wraps, described second air compartment is provided with the second air port, and described body of heater is provided with the second blower fan, and described second blower fan connects described second air port and to air blast in described second air compartment；The sidewall of described annular air pipeline is provided with the connector connecting boiler, and described annular air pipe end exit is also equipped with spinning disk, prevents the joint with boiler by high temperature scaling loss.
Further, in described body of heater, be additionally provided with waste slag chamber, described waste slag chamber be placed in described in move in circles the end of fire-grating machine, described waste slag chamber is also equipped with slag remover, and described slag remover uses and rotates auger slag remover.
Further, the surrounding sidewall of described two grades of vaporizers and end face are equipped with fire-proof and thermal-insulation wall, and described fire-proof and thermal-insulation wall is plasterboard or asbestos board or refractory brick.
Further, described bottom of furnace body is provided with pulley, convenient carrying.
The beneficial effects of the utility model are:
● this gasification furnace is configured with various equipment (first and second blower fan, fire-grating machine etc.) and is assembled integrally, good airproof performance, decreases the air leakage coefficient of system, is also convenient for mobile, maintenance.
● gasification furnace can convenient combine with oil-burning gas-fired boiler body, makes combustion system more simplify, and convenient and swift, fuel gas transmission is apart from short.
● make use of biomass fuel gasifying to produce imflammable gas and gasification heat to greatest extent, improve efficiency of combustion, " three grades " gasification decreases the remaining carbon in slag, has saved fuel.
● use reciprocal grate and self-timing slag removing system, the thickness of all even fuel bed, accelerate the gasification rate of biomass fuel, alleviate the labor intensity of artificial slagging-off.
● use swirl flow air distribution at combustion gas general export, cool the joint device with boiler not by high temperature scaling loss, also meet fuel gas demand of oxygen consumption in boiler furnace.Eddy flow air distribution makes burning more abundant, and flame is fuller, adds the flame time of staying in burner hearth.
● because of compact conformation, system sealing is good, the adjustability of fan delivery, the oxygen content in easily-controllable combustion process, and NOx is controlled enters below value (standard value 200mg/m3) in standard, and beneficially environment protection emission is up to standard
● use the boiler of fuel-firing gas-firing to be prone to be transformed into the biomass gasification gas stove that operating cost is low for early stage, input cost is low.
Accompanying drawing explanation
Fig. 1 is structure cut-away illustration of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further detailed.Wherein, about describing the operating path of the fire-grating machine that moves in circles using Fig. 1 instruction before and after orientation as standard in literary composition.
nullAs shown in Figure 1，A kind of biomass low-nitrogen burning graded gasification furnace,Including body of heater 1，Primary vaporizer 11 and two grades of vaporizers 12 it are sequentially provided with in described body of heater 1，Described primary vaporizer 11 connects with the bottom of two grades of vaporizers 12，The top of described primary vaporizer 11 offers feeding mouth 111，The bottom of described primary vaporizer 11 and two grades of vaporizers 12 is provided with the fire-grating machine 2 that moves in circles，The described fire-grating machine 2 that moves in circles circulates constantly to be pushed into two grades of vaporizers 12 from described primary vaporizer 11 by biomass fuel and carries out gasification, and combustion，Described primary vaporizer 11 is offered with the top of two grades of vaporizers 12 and is connected described primary vaporizer 11 and the low temperature gas outlet 112 of two grades of vaporizers 12，In primary vaporizer 11, a combustion gas part for gasification can be circulated to described two grades of vaporizers 12 by described low temperature gas outlet 112；Being provided with the first blower fan on described body of heater 1, described first blower fan carries out air blast in described primary vaporizer and two grades of vaporizers, and for the gasification oxygenating of biomass fuel, the back side top of described two grades of vaporizers 12 is provided with gas outlet pipe 3.
Further, it is additionally provided with high-temperature gasification room 13 in described body of heater 1, described high-temperature gasification room 13 is placed in the rear end of described two grades of vaporizers 12, described high-temperature gasification room 13 connects with the bottom of described two grades of vaporizers 12, the described biomass fuel moved in circles on fire-grating machine 2 sequentially passes through described primary 11, two grades of vaporizers 12 of vaporizer and high-temperature gasification room 13 carries out gasification, and combustion, and at the fuel gas return-flow after gasifying in described high-temperature gasification room 13 to the described gas outlet pipe of described two grades of vaporizers 12,3 discharge.
Further, described body of heater 1 offers the first air port 113 in the bottom of primary vaporizer, described first blower fan connects described first air port 113 and carries out air blast in described primary vaporizer 11, described first air port 113 be placed in described in move in circles fire-grating machine 2 front end at, and described first air port 113 be placed in described in move in circles fire-grating machine 2 transport level below.
The existing fire-grating machine of structural reference of the described fire-grating machine 2 that moves in circles, it is mainly made up of parts such as moved cross beam, fixed cross beam, moving grate, fixed grates.
Further, the second air compartment 15 it is also equipped with on described body of heater 1, described gas outlet pipe 3 is through described second air compartment 15, described second air compartment 15 is provided with annular air pipeline, gas outlet pipe 3 described in described annular air duct wraps, described second air compartment 15 is provided with the second air port 151, and described body of heater 1 is provided with the second blower fan, and described second blower fan connects described second air port 151 and to air blast in described second air compartment 12；The sidewall of described annular air pipeline is provided with the connector 5 connecting boiler, and described annular air pipe end exit is also equipped with spinning disk 4, prevents the joint with boiler by high temperature scaling loss.
Further, in described body of heater 1, be additionally provided with waste slag chamber 14, described waste slag chamber 14 be placed in described in move in circles the end of fire-grating machine 2, described waste slag chamber 14 is also equipped with slag remover 6, and described slag remover 6 uses and rotates auger slag remover.
Further, the surrounding sidewall of described two grades of vaporizers and end face are equipped with fire-proof and thermal-insulation wall, and described fire-proof and thermal-insulation wall is plasterboard or asbestos board or refractory brick.
Further, pulley 7, convenient carrying are installed bottom described body of heater 1.
The technical scheme of this patent is achieved in that biomass fuel carries out primary low temperature gasification (combustion gas of generation is discharged) through low temperature gas outlet 113 through the primary vaporizer 11 that feeding mouth 111 enters in gasification furnace, again through the motion of the fire-grating machine 2 that moves in circles, being pushed by biomass fuel in two grades of vaporizers 12 and carry out gasification, and combustion, the incomplete carbon residue that gasifies gasifies through the high-temperature gasification room 13 moved under chimney arch of fire grate.The imflammable gas and the heat that produce after gasification enter in boiler furnace through the gas outlet pipe 3 of gasification furnace, coordinate the swirl secondary air of the second air compartment 15 to be mixed together after-combustion (entered energy-saving appliance, cleaner unit, air-introduced machine by flue after three backhauls of burner hearth again and discharge).Oxygen amount required in gasification is fed by the first blower fan, and the residue (slag) after gasification is discharged by slag remover 6.
As described above, it is only preferred embodiment of the present utility model, when not limiting, with this, the scope that this utility model is implemented, the most generally the simple equivalence change made according to this utility model claim and utility model description with modify, the most still belong in the range of this utility model patent contains.
Claims (10)
1. a biomass low-nitrogen burning graded gasification furnace, including body of heater, described body of heater
Inside it is sequentially provided with primary vaporizer and two grades of vaporizers, described primary vaporizer and two grades
The bottom connection of vaporizer, the top of described primary vaporizer offers feeding mouth, institute
The bottom stating primary vaporizer and two grades of vaporizers is provided with the fire-grating machine that moves in circles, institute
State the fire-grating machine that moves in circles constantly to be pushed from described primary vaporizer by biomass fuel
Gasification, and combustion, described primary vaporizer and two grades of vaporizers are carried out to two grades of vaporizers
Top offer the low temperature combustion gas of the described primary vaporizer of connection and two grades of vaporizers and go out
Mouthful, described body of heater is provided with the first blower fan, described first blower fan is to described primary gas
Carrying out air blast in changing room and two grades of vaporizers, the back side top of described two grades of vaporizers sets
There is gas outlet pipe.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 1,
It is characterized in that, in described body of heater, be additionally provided with high-temperature gasification room, described high-temperature gasification room
It is placed in the rear end of described two grades of vaporizers, described high-temperature gasification room and described two grades of gasifications
The bottom connection of room, described in the biomass fuel that moves in circles on fire-grating machine sequentially pass through
Described primary vaporizer, two grades of vaporizers and high-temperature gasification room carry out gasification, and combustion, institute
State the described combustion of the extremely described two grades of vaporizers of the fuel gas return-flow after the gasification of high-temperature gasification indoor
Discharge at gas outlet.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 1,
It is characterized in that, described body of heater offers the first air port in the bottom of primary vaporizer,
Described first blower fan connects described first air port and rouses in described primary vaporizer
Wind, described first air port be placed in described in move in circles fire-grating machine front end at, and institute
State the first air port be placed in described in move in circles fire-grating machine transport level below.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 1,
It is characterized in that, described body of heater is also equipped with the second air compartment, described gas outlet pipe
Through described second air compartment, described second air compartment is provided with annular air pipeline, described ring
Shape wind pipe wraps up described gas outlet pipe, and described second air compartment is provided with the second wind
Mouthful, described body of heater is provided with the second blower fan, described second blower fan connects described second
Air port to air blast in described second air compartment.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 4,
It is characterized in that, the sidewall of described annular air pipeline is provided with the connector connecting boiler,
Described annular air pipe end exit is also equipped with spinning disk.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 1,
It is characterized in that, be additionally provided with waste slag chamber in described body of heater, described waste slag chamber is placed in described
Move in circles the end of fire-grating machine, and described waste slag chamber is provided with slag remover.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 6,
It is characterized in that, described slag remover uses and rotates auger slag remover.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 1,
It is characterized in that, surrounding sidewall and the end face of described two grades of vaporizers are equipped with anti-fire screen
Hot wall.
A kind of biomass low-nitrogen burning graded gasification furnace the most according to claim 8,
It is characterized in that, described fire-proof and thermal-insulation wall is plasterboard or asbestos board or refractory brick.
A kind of biomass low-nitrogen burning classification gasification the most according to claim 1
Stove, it is characterised in that described bottom of furnace body is provided with pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335042.5U CN205556574U (en) | 2016-04-19 | 2016-04-19 | Hierarchical gasifier of living beings low -nitrogen combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620335042.5U CN205556574U (en) | 2016-04-19 | 2016-04-19 | Hierarchical gasifier of living beings low -nitrogen combustion |
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| Publication Number | Publication Date |
|---|---|
| CN205556574U true CN205556574U (en) | 2016-09-07 |
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| CN201620335042.5U Expired - Fee Related CN205556574U (en) | 2016-04-19 | 2016-04-19 | Hierarchical gasifier of living beings low -nitrogen combustion |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620952A (en) * | 2017-08-15 | 2018-01-23 | 涂玉明 | A kind of control mode of biomass energy gasification combustor |
| CN108302526A (en) * | 2017-12-29 | 2018-07-20 | 广州环峰能源科技股份有限公司 | The energy-efficient Industrial Boiler of biomass powder compound combustion |
| CN108300515A (en) * | 2017-12-29 | 2018-07-20 | 广州环峰能源科技股份有限公司 | Biomass powder combined gasification combustion system |
| CN108329949A (en) * | 2018-03-27 | 2018-07-27 | 广州优的新能源科技有限公司 | The autonomous dedusting gasification furnace of biomass |
| CN115287099A (en) * | 2022-07-03 | 2022-11-04 | 中国船舶重工集团公司第七0三研究所 | Vehicle-mounted small system with biomass gasification device and steam generator |
-
2016
- 2016-04-19 CN CN201620335042.5U patent/CN205556574U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620952A (en) * | 2017-08-15 | 2018-01-23 | 涂玉明 | A kind of control mode of biomass energy gasification combustor |
| CN108302526A (en) * | 2017-12-29 | 2018-07-20 | 广州环峰能源科技股份有限公司 | The energy-efficient Industrial Boiler of biomass powder compound combustion |
| CN108300515A (en) * | 2017-12-29 | 2018-07-20 | 广州环峰能源科技股份有限公司 | Biomass powder combined gasification combustion system |
| CN108302526B (en) * | 2017-12-29 | 2024-01-23 | 广州环峰能源科技股份有限公司 | Biomass powder composite combustion high-efficiency energy-saving industrial boiler |
| CN108300515B (en) * | 2017-12-29 | 2024-07-09 | 广州环峰能源科技股份有限公司 | Biomass powder composite gasification combustion system |
| CN108329949A (en) * | 2018-03-27 | 2018-07-27 | 广州优的新能源科技有限公司 | The autonomous dedusting gasification furnace of biomass |
| CN115287099A (en) * | 2022-07-03 | 2022-11-04 | 中国船舶重工集团公司第七0三研究所 | Vehicle-mounted small system with biomass gasification device and steam generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |