CN207362155U - Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed - Google Patents
Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed Download PDFInfo
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- CN207362155U CN207362155U CN201721145426.1U CN201721145426U CN207362155U CN 207362155 U CN207362155 U CN 207362155U CN 201721145426 U CN201721145426 U CN 201721145426U CN 207362155 U CN207362155 U CN 207362155U
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Abstract
The utility model provides a kind of downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed, including downdraft radiant tube manufacturing gas through biomass gasification stove, the coal gas aspirator of the producer is connected to by coal gas output channel to be used for the separated grey air separation of coal gas and ashes, grey air separation connects heat exchanger by gas piping, coal gas after cooling is input in bag filter and carries out coal gas dust removal by heat exchanger by gas piping, coal gas after bag filter dedusting is transported in coal gas storage tank by air-introduced machine to be stored, the outlet connection jet chimney of heat exchanger, jet chimney is connected to the steam distributor being arranged in furnace body, gasification of biomass is carried out using heat accumulating type radiant tube burner, integrated heat efficiency is high, requirement to material size is quite loose, can continuous gas processed.
Description
Technical field
A kind of producer and gas system processed are the utility model is related to, is specifically a kind of downdraft radiant tube gasification of biomass system
Steam stove and gas system processed.
Background technology
Biomass resource has the characteristics that to derive from a wealth of sources, easily centralized processing, low stain, renewable, and application potential is huge.According to
Statistics, as soon as China's only crop material, total resources is more than 700,000,000 tons.But wherein there are about 33-40% is discarded in field
Between or open incineration, not only cause the serious waste of biomass resource, destroy soil texture, decline production capacity, also
Serious environmental pollution is result in, threatens communications and transportation and the production of people, living safety.By these discarded biomass resources
Coal gas is prepared into by biomass gasification technology and is subject to diversification utilization, can largely solve sustainable development
The challenge of the field faces such as exhibition, energy-saving, environmental protection and treatment, helps to build low charcoal high-efficiency and economic development mould
Formula, to ensureing that National Environmental, the energy, grain security are significant.
Utility model content
The purpose of this utility model is to provide a kind of downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed, profit
Gasification of biomass is carried out with heat accumulating type radiant tube burner, integrated heat efficiency is high, and the requirement to material size is quite loose, can connect
Continue gas processed.
The technical solution of the utility model：A kind of downdraft radiant tube manufacturing gas through biomass gasification stove, including for by biology
The furnace body of matter material gasification, the feed inlet of the convenient feeding into furnace body is offered at the top of the furnace body, in the top of feed inlet
The double belljar valve of convenient keying is installed, double belljar valve is connected to the feeder that biomass material is conveyed in furnace body, described
The middle part of furnace body is uniformly disposed with the heat accumulating type radiant tube burner for carrying out gasification of biomass to the raw material for entering furnace body,
The heat accumulating type radiant tube burner forms gasification of biomass area in furnace body, and the gasification of biomass area in furnace body is provided with steaming
Vapour distributor, the steam distributor connection jet chimney are used for steam is provided in furnace body, and the lower end of the furnace body is provided with
Agitation ash discharging valve for the ashes discharge that will be produced after gasification of biomass, in the lower part of the furnace body, stirs the upper of ash discharging valve
Side is provided with the coal gas aspirator for coal gas product to be extracted out, and the coal gas aspirator is connected to coal gas output channel,
Coal gas output channel is used for the coal gas output of products in furnace body.
The radiant tube of the heat accumulating type radiant tube burner extend into furnace interior in order to be carried out to the raw material in furnace body
Isolation heating.
The heat accumulating type radiant tube burner is sequentially installed with multilayer from top to bottom at equal intervals.
Every layer of the heat accumulating type radiant tube burner is all to be uniformly distributed at equal intervals around furnace body in circumferential, upper and lower two layers
Radiant tube interlaced setting in furnace body that the radiant tube length of the heat accumulating type radiant tube burner is different and length is different.
The top of the furnace body offers first-class easy to the observation window of charging situation in observation furnace body, the steam distributor
Steam jet is distributed with spacing, in order to which steam is uniformly injected in furnace body.
The coal gas suction inlet that Open Side Down is provided with the coal gas aspirator at equal intervals.
A kind of downdraft radiant tube manufacturing gas through biomass gasification system, including downdraft radiant tube manufacturing gas through biomass gasification stove,
The coal gas aspirator of the producer by coal gas output channel be connected to for by the separated grey qi leel of coal gas and ashes from
Device, grey air separation connect heat exchanger by gas piping, and the coal gas after cooling is passed through gas piping by heat exchanger
It is input in bag filter and carries out coal gas dust removal, the coal gas after bag filter dedusting is transported to coal gas by air-introduced machine
Stored in storage tank, the cooling water inlet input of the heat exchanger is used for the cold water to coal gas cooling, and the outlet of heat exchanger connects
Jet chimney is connect, jet chimney is connected to the steam distributor being arranged in furnace body, and the producer is connected by double belljar valve
For being connected to the feeder that biomass material is conveyed in furnace body, feeder one end connection double belljar valve, the other end by life
Raw material of substance carries out the material crusher of break process, and the original for toppling over biomass material is provided with above material crusher
Feed bin.
The dust stratification pond for the ashes for stirring ash discharging valve discharge to be absorbed is provided with below the producer.
The lower part of the ash air separation is provided with ash-valve, and the stove for that will isolate is provided with below ash-valve
The water cavity that ash is absorbed.
The upper of furnace body of the producer offers the steam of the steam discharge for will be produced after raw material preheating in furnace body
Outlet, steam outlet be connected to jet chimney, and jet chimney will discharge in the steam and furnace body that are produced in heat exchanger
Steam distributor is transported to after steam mixing.
The technique effect of the utility model：Using heat accumulating type radiant tube burner, integrated heat efficiency is up to 90%, radiant tube
Combustor exhaust gas temperature can be controlled in less than 150 DEG C；
The combustion product that radiant tube combustor produces is emitted by radiant tube, is completely cut off with the atmosphere in gasification furnace, raw
Without air, without CO2 in gasification substance stove, therefore the biological mass combustable gas produced only has the fuel gas such as CO, H2, CH4, does not have
The non-combustible gas such as CO2, N2, O2, calorific value is up to 3000Kcal/Nm3；
The required heat of gasification reacting furnace is provided using radiant tube, radiant tube combustor can continuously provide the heat of requirement
Amount, therefore the charging that need to only stablize of the gasification furnace and provide the required steam that gasifies, just can continuous gas generation, without as tradition
The such service intermittent of blue-gas generator；
Due to using radiant tube heat supply, the requirement to material size is quite loose, as long as feeding system and blanking system
System can it is compatible just, therefore processing cost early period of biomass is very low；
It can almost gasify in high-temperature region using downdraft outlet mode, therefore in the tar that pyrolysis zone produces, biomass
Tar in combustion gas substantially reduces；
Using drawing-in type exhaust mode, furnace body is negative pressure state, therefore can also be carried out for house refuse with the stove harmless
Change processing (is revealed) without smell, while produces fuel gas (rubbish change resource) because using downdraft gas , bioxin into
Cross more than 1000 DEG C high-temperature region at least 2S, in the process, even if can in hot gas You bioxin also in the time in 2S it is complete
Part solves, and from the time in He Cheng bioxin temperature (400 DEG C or so) again less than 0.3S, therefore the stove also is used as rubbish
Rubbish treatment furnace；
When being necessary (when such as user's dosage is insufficient), it can be reformed into steam off entrance, such gasification furnace
Pyrolysis furnace, biomass carbonization stove.
Brief description of the drawings
Fig. 1 is the utility model gas overall system architecture schematic diagram；
Fig. 2 is the utility model producer overall structure diagram；
Fig. 3 is the utility model heat accumulating type radiant tube burner arrangement schematic diagram；
Fig. 4 is the utility model steam distributor structure diagram；
Fig. 5 is the utility model ash air separation structure diagram；
Fig. 6 is the utility model heat accumulating type radiant tube burner structure diagram.
Figure label represents respectively, 1- furnace bodies, 2- raw material cabins, 3- material crushers, 4- feeders, 5- double belljar valves, 6-
Feed inlet, 7- heat accumulating type radiant tube burners, 8- steam distributors, 9- agitation ash discharging valves, 10- coal gas aspirators, 11- ash gas
Separator, 12- gas pipings, 13- heat exchangers, 14- bag filters, 15- air-introduced machines, 16- coal gas storage tanks, 17- steam
Pipeline, 18- dust stratifications pond, 19- ash-valves, 20- water cavities, 21- coal gas suction inlets, 22- radiant tubes, 23- observation windows, the spray of 24- steam
Mouth, 25- coal gas output channels, 26- steam outlets.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings：
A kind of as shown in Fig. 2, downdraft radiant tube manufacturing gas through biomass gasification stove, it is characterised in that：Including for by biology
The furnace body 1 of matter material gasification, the top of the furnace body 1 offers the feed inlet 6 of the convenient feeding into furnace body, in feed inlet 6
Top is provided with the double belljar valve 5 of convenient keying, and double belljar valve 5 is connected to the feeder that biomass material is conveyed in furnace body
4, the middle part of the furnace body 1 is uniformly disposed with the heat accumulation type radiant tube for carrying out gasification of biomass to the raw material for entering furnace body
Combustor 7, the heat accumulating type radiant tube burner 7 form gasification of biomass area, the biogas in furnace body 1 in furnace body 1
Change area and be provided with steam distributor 8, the steam distributor 8 connects jet chimney 17 and is used for providing steam in furnace body, described
The lower end of furnace body 1 is provided with the agitation ash discharging valve 9 of the ashes discharge for will be produced after gasification of biomass, under the furnace body
Portion, the top of agitation ash discharging valve 9 are provided with the coal gas aspirator 10 for coal gas product to be extracted out, the coal gas aspirator
10 are connected to coal gas output channel 25, and coal gas output channel 25 is used for the coal gas output of products in furnace body 1.The furnace body 1
Top is offered easy to the observation window 23 of charging situation in observation furnace body.It is provided with equal intervals on the coal gas aspirator 10
The coal gas suction inlet 21 that Open Side Down, can prevent ashes from falling into.
As shown in figure 3, the radiant tube 22 of the heat accumulating type radiant tube burner 7 is extend into inside furnace body 1 in order to stove
Internal raw material carries out isolation heating.The heat accumulating type radiant tube burner 7 is sequentially installed with multilayer from top to bottom at equal intervals.
7 every layer of the heat accumulating type radiant tube burner is all to be uniformly distributed at equal intervals around furnace body 1 in circumferential, upper and lower two layers of storage
Radiant tube interlaced setting in furnace body that the radiant tube length of hot type radiant tube combustor 7 is different and length is different.
As shown in figure 4, steam jet 24 is distributed with equal intervals on the steam distributor 8, in order to which steam is uniform
Be injected in furnace body.
As shown in Figure 1, a kind of downdraft radiant tube manufacturing gas through biomass gasification system, including downdraft radiant tube biogas
Change producer, the coal gas aspirator 10 of the producer is connected to for coal gas and ashes to be divided by coal gas output channel 25
From grey air separation 11, grey air separation 11 by gas piping 12 connect heat exchanger 13, heat exchanger 13 by cool down drop
Coal gas after temperature is input in bag filter 14 by gas piping carries out coal gas dust removal, after 14 dedusting of bag filter
Coal gas be transported in coal gas storage tank 16 and stored by air-introduced machine 15, the cooling water inlet input of the heat exchanger 13 is used for
To the cold water of coal gas cooling, the outlet connection jet chimney 17 of heat exchanger 13, jet chimney 17, which is connected to, to be arranged in furnace body
Steam distributor 8, the producer are connected to the feeder 4 to conveying biomass material in furnace body 1 by double belljar valve 5,
4 one end of feeder connection double belljar valve 5, the other end are connected to carry out biomass material the material crusher 3 of break process,
The top of material crusher 3 is provided with the raw material cabin 2 for toppling over biomass material.
It is provided with below the producer for the dust stratification pond 18 for the ashes absorption that ash discharging valve 9 is discharged will to be stirred.
1 top of furnace body of the producer offers the steam of the steam discharge for will be produced after raw material preheating in furnace body
Outlet 26, steam outlet 26 are connected to jet chimney 17, the steam and stove that jet chimney 17 will produce in heat exchanger 13
Steam distributor 8 is transported to after the steam mixing of discharge in body 1.
As shown in figure 5, the lower part of the ash air separation 11 is provided with ash-valve 19, the lower section of ash-valve 19 is provided with
For the water cavity 20 for being absorbed the ashes isolated.
As shown in fig. 6, heat accumulating type radiant tube burner 7 use number of patent application for 03254702.1 utility model patent
Disclosed heat storage coal gas pipe radiator combustion engine, as common radiant combustion machine, radiant tube shape is U-shaped or W-shaped, its
Main part is mounted in the burner at radiant tube both ends, and burner is mainly by burner, air/smoke pipeline, coal gas
Pipeline and the reversal valve composition to match with it；Heat storage coal gas pipe radiator combustion engine is particular in that：This combustor
The inner cavity of the front end U/W shapes part of radiant tube is combustion chamber, and two straight-tube portion inner cavity of its rear end is both provided with secondary coal gas spray
Mouth and heat storage, the secondary gas nozzle and heat storage at both ends alternately work；Two straight-tube portion centers are both provided with coal gas
Pipe, gas pipe pass through heat storage, its front end is connected with secondary gas nozzle：Gas pipe center is additionally provided with kindling material of remotely lighting a fire
The ignition channel of secondary gas nozzle is delivered to, go directly secondary gas nozzle for ignition channel front end, rear end and remote igniter phase
Even；Gas pipe of the coal gas reversal valve respectively with two straight tube rear ends connects；The air/smoke reversal valve sky with two straight tube rear ends respectively
Gas, fume pipe connect, and temperature detection galvanic couple is arranged on flue gas manifold, and micro computer control box is arranged in combustor shell.Pipe
The gas pipe center for being inside provided with fin and heat storage is additionally provided with the point that long-range igniting kindling material is delivered to secondary gas nozzle
Fiery passage, go directly secondary gas nozzle for ignition channel front end, and rear end is connected with remote igniter, and remote igniter is a long cylinder
The airtight cavity of shape, along kindling material direction of advance in igniter chamber, is disposed with gas inlet, igniting air hose, high pressure spot
Duration and degree of heating.
The lighting up procedure of heat storage coal gas pipe radiator combustion engine remote igniter is as follows：
A, in firing tip, Opening pressure air carries out purging 10-30 seconds；
B, starting high pressure spot duration and degree of heating makes generation electric spark, opens work(gas inlet immediately, the startup time of coal gas is compared with electric spark
1-2 seconds late, electric spark continued 6-8 seconds, and coal gas supply burning time is 30-60 seconds；
C, air/smoke reversal valve and coal gas reversal valve commutate, and work is begun preparing in the other end of radiant tube；
D, in another firing tip, the same purging that 10-30 seconds is first carried out using pressure air：
E, starting high pressure spot duration and degree of heating makes generation electric spark, starts gas inlet immediately, the startup time of coal gas is compared with electric spark
1-2 seconds late, electric spark continued 6-8 seconds, and coal gas supply burning time is 30-60 seconds；
F, a work period terminates, and the subsequent work cycle starts；In cycles, above operation is carried out, is tied to detection
When fruit display discharge flue-gas temperature reaches identification temperature (150-180 DEG C), stop ignition operation.
Heat storage coal gas pipe radiator combustion engine, coal gas reversal valve, air/smoke reversal valve are air/smoke, coal gas energy is same
Three seven logical rotating transfer valves of step switching.
Heat storage coal gas pipe radiator combustion engine, heat storage is ceramic honeycomb body, steel alloy honeycomb ceramics.
Heat storage coal gas pipe radiator combustion engine, is a kind of high combustion efficiency, safety, and the radiant tube of service life length burns
Machine, can bring air preheating temperature high, and ignition temperature is high, and radiant tube is heated evenly, a series of technical advantage such as thermal efficiency height.
Using heat accumulating type radiant tube burner, up to 90%, radiant tube combustor exhaust gas temperature can control integrated heat efficiency
Below 150 DEG C；
The combustion product that radiant tube combustor produces is emitted by radiant tube, is completely cut off with the atmosphere in gasification furnace, raw
Without air, without CO2 in gasification substance stove, therefore the biological mass combustable gas produced only has the fuel gas such as CO, H2, CH4, does not have
The non-combustible gas such as CO2, N2, O2, calorific value is up to 3000Kcal/Nm3；
The required heat of gasification reacting furnace is provided using radiant tube, radiant tube combustor can continuously provide the heat of requirement
Amount, therefore the charging that need to only stablize of the gasification furnace and provide the required steam that gasifies, just can continuous gas generation, without as tradition
The such service intermittent of blue-gas generator；
Due to using radiant tube heat supply, the requirement to material size is quite loose, as long as feeding system and blanking system
System can it is compatible just, therefore processing cost early period of biomass is very low；
It can almost gasify in high-temperature region using downdraft outlet mode, therefore in the tar that pyrolysis zone produces, biomass
Tar in combustion gas substantially reduces；
Using drawing-in type exhaust mode, furnace body is negative pressure state, therefore can also be carried out for house refuse with the stove harmless
Change processing (is revealed) without smell, while produces fuel gas (rubbish change resource) because using downdraft gas , bioxin into
Cross more than 1000 DEG C high-temperature region at least 2S, in the process, even if can in hot gas You bioxin also in the time in 2S it is complete
Part solves, and from the time in He Cheng bioxin temperature (400 DEG C or so) again less than 0.3S, therefore the stove also is used as rubbish
Rubbish treatment furnace；
When being necessary (when such as user's dosage is insufficient), it can be reformed into steam off entrance, such gasification furnace
Pyrolysis furnace, biomass carbonization stove.
Above content is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution, each falls within this reality
Within protection domain with new claims.
Claims (10)
- A kind of 1. downdraft radiant tube manufacturing gas through biomass gasification stove, it is characterised in that：Including for biomass material to be gasified Furnace body, the feed inlet of the convenient feeding into furnace body is offered at the top of the furnace body, is provided with above feed inlet and conveniently opens The double belljar valve closed, double belljar valve are connected to equal to the feeder that biomass material is conveyed in furnace body, the middle part of the furnace body The even heat accumulating type radiant tube burner being disposed with for carrying out gasification of biomass to the raw material for entering furnace body, the heat accumulating type spoke Penetrate pipe combustor and gasification of biomass area is formed in furnace body, the gasification of biomass area in furnace body is provided with steam distributor, institute State steam distributor connection jet chimney to be used for steam is provided in furnace body, the lower end of the furnace body, which is provided with, to be used for biomass The agitation ash discharging valve of the ashes discharge produced after gasification, is provided with above the lower part of the furnace body, agitation ash discharging valve and is used for The coal gas aspirator that coal gas product is extracted out, the coal gas aspirator are connected to coal gas output channel, coal gas output channel For by the coal gas output of products in furnace body.
- A kind of 2. downdraft radiant tube manufacturing gas through biomass gasification stove according to claim 1, it is characterised in that：The accumulation of heat The radiant tube of formula radiant tube combustor extend into furnace interior in order to carry out isolation heating to the raw material in furnace body.
- A kind of 3. downdraft radiant tube manufacturing gas through biomass gasification stove according to claim 1, it is characterised in that：The accumulation of heat Formula radiant tube combustor is sequentially installed with multilayer from top to bottom at equal intervals.
- A kind of 4. downdraft radiant tube manufacturing gas through biomass gasification stove according to claim 3, it is characterised in that：The accumulation of heat Every layer of formula radiant tube combustor is all to be uniformly distributed at equal intervals around furnace body in circumferential, upper and lower two layers of heat accumulation type radiant tube Radiant tube interlaced setting in furnace body that the radiant tube length of combustor is different and length is different.
- A kind of 5. downdraft radiant tube manufacturing gas through biomass gasification stove according to claim 1, it is characterised in that：The furnace body Top offer easy to the observation window of charging situation in observation furnace body, steam is distributed with equal intervals on the steam distributor Nozzle, in order to which steam is uniformly injected in furnace body.
- A kind of 6. downdraft radiant tube manufacturing gas through biomass gasification stove according to claim 1, it is characterised in that：The coal gas The coal gas suction inlet that Open Side Down is provided with aspirator at equal intervals.
- A kind of 7. downdraft radiant tube manufacturing gas through biomass gasification system, it is characterised in that：Including as described in claim 1-6 is any Producer, the coal gas aspirator of the producer is connected to for coal gas and ashes is separated by coal gas output channel Grey air separation, grey air separation connect heat exchanger by gas piping, and heat exchanger passes through the coal gas after cooling Gas piping, which is input in bag filter, carries out coal gas dust removal, and the coal gas after bag filter dedusting is defeated by air-introduced machine It is sent in coal gas storage tank and is stored, the cooling water inlet input of the heat exchanger is used for the cold water to coal gas cooling, heat exchanger Outlet connection jet chimney, jet chimney is connected to the steam distributor being arranged in furnace body, and the producer passes through double clocks Cover valve is connected to the feeder that biomass material is conveyed in furnace body, feeder one end connection double belljar valve, other end connection For biomass material to be carried out to the material crusher of break process, it is provided with above material crusher for toppling over biomass The raw material cabin of raw material.
- A kind of 8. downdraft radiant tube manufacturing gas through biomass gasification system according to claim 7, it is characterised in that：The system The dust stratification pond for the ashes for stirring ash discharging valve discharge to be absorbed is provided with below steam stove.
- A kind of 9. downdraft radiant tube manufacturing gas through biomass gasification system according to claim 7, it is characterised in that：The ash The lower part of air separation is provided with ash-valve, and the water for the ashes isolated to be absorbed is provided with below ash-valve Chamber.
- A kind of 10. downdraft radiant tube manufacturing gas through biomass gasification system according to claim 7, it is characterised in that：It is described The upper of furnace body of producer offers the steam outlet of the steam discharge for will be produced after raw material preheating in furnace body, steam row Outlet is connected to jet chimney, and jet chimney conveys after the steam discharged in the steam and furnace body that are produced in heat exchanger is mixed To steam distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145426.1U CN207362155U (en) | 2017-09-05 | 2017-09-05 | Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721145426.1U CN207362155U (en) | 2017-09-05 | 2017-09-05 | Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed |
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| Publication Number | Publication Date |
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| CN207362155U true CN207362155U (en) | 2018-05-15 |
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ID=62352016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721145426.1U Active CN207362155U (en) | 2017-09-05 | 2017-09-05 | Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed |
Country Status (1)
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| CN (1) | CN207362155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384481A (en) * | 2017-09-05 | 2017-11-24 | 赵升智 | Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed |
| CN112940786A (en) * | 2021-02-07 | 2021-06-11 | 刘元生 | Garbage and biomass gasification furnace and device |
-
2017
- 2017-09-05 CN CN201721145426.1U patent/CN207362155U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384481A (en) * | 2017-09-05 | 2017-11-24 | 赵升智 | Downdraft radiant tube manufacturing gas through biomass gasification stove and gas system processed |
| CN107384481B (en) * | 2017-09-05 | 2024-06-11 | 赵升智 | Downdraft radiant tube biomass gasification gas making furnace and gas making system |
| CN112940786A (en) * | 2021-02-07 | 2021-06-11 | 刘元生 | Garbage and biomass gasification furnace and device |
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