CN206073089U - It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel - Google Patents
It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel Download PDFInfo
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- CN206073089U CN206073089U CN201621096737.9U CN201621096737U CN206073089U CN 206073089 U CN206073089 U CN 206073089U CN 201621096737 U CN201621096737 U CN 201621096737U CN 206073089 U CN206073089 U CN 206073089U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
This utility model discloses a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel, including boiler body, stokehold hopper, fire grate, water screen tube, convection tube, economizer, air preheater, aerator, cleaner unit and air-introduced machine；Feed cylinder is provided with the stokehold hopper, combustor sets face arch and rear arch, and overfire air device is set in the middle part of combustor, the heating surface in water screen tube, convection tube, economizer, air preheater arranges several shock wave soot blowers respectively.This utility model can effectively utilizes redrying enterprise relate to cigarette garbage, and realize the profit again of energy regenerating and resource；When boiler thermodynamic system burning of the present utility model is main fuel to relate to cigarette garbage, boiler thermal output is more than the combustion coal-burning boiler thermal efficiency；Boiler smoke NOx, SO2, soot emissions reach GB13271 2014《Emission standard of air pollutants for boilers》In requirement to gas fired-boiler.
Description
Technical field
This utility model is related to a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel.
Background technology
Domestic cigarettes method [2006] 375 that State Tobacco Monopoly Bureau promulgates, domestic cigarettes are specially waited in files to discarding for [2008] No. 324
The management guidance spirit of tobacco monopoly commodities, in the process problem of remaining side-product, " strict implement environmental protection policy, actively seeks need
Advanced technology, research is asked waste by-product to be processed as the feasibility of fuel, fertilizer etc., strives for making full use of ".To greatly improve
The disposal safety of waste by-product, and recycling is realized, annual whole tobacco redrying residue side-products are not dispatching from the factory
In the case of be capable of achieving safety pin and ruin, and realize energy regenerating.
The related psychotic of national tobacco monopolization chief company GM DIALOGUE in 2011, " conscientiously carries out《Nicotiana tabacum L. row
Industry " 12 " energy-saving and emission-reduction work outline》, New Set is paid close attention to, effort reaches ammonia nitrogen and nitrogen oxides Con trolling index " 12
Five " target call of period decline 10%, promotes the use of removing nitrogen oxides and ammonia nitrogen facility.Focal point link.Increase redrying
Industry energy conservation emission reduction work dynamics.With advanced and sophisticated technology.Promote the utilization of the mature technologies such as tobacco waste recovery.Actively
With low-carbon technology, greenhouse gas emission intensity is reduced；Continue to carry forward vigorously green worker-house construction ".
Boiler is directly as follows using the problem that cigarette garbage is fuel generation is related at present：（1）Due to relating to cigarette garbage calorific value
It is relatively low（About 2800 kilocalories/kg）, separately as boiler load requirement cannot be met during fuel；（2）During burning, fire box temperature is low,
The a large amount of tar that can be produced, tar stick to the heating surfaces such as water-cooling wall, convection tube, economizer, air preheater with the flying dust in flue gas
Surface, causes boiler thermal output to reduce, and eventually blocks economizer and air preheater, cause flue gas cannot by and be forced blowing out；
（3）Fuel is not sufficiently combusted to form black smoke, tar and smoking nicotine, can cause environmental pollution.As the problems referred to above are present, at present
In redrying industry, the substantial amounts of cigarette garbage that relates to is mainly incorporated as Fertilizer application.As attempting also having to relate to cigarette garbage and mixing with coal
The way directly burnt on chain furnace or CFBB is closed, although this kind of method can improve certain burning temperature
Degree, but the dependence to fossil energy cannot be broken away from, and substantial amounts of SO can be produced2, NOx and flue dust, to environment,
Still it is not optimal solution.
If making biomass granule fuel as raw material to relate to cigarette garbage, energy effectively solving relates to the direct combustion zone of cigarette garbage
The problem come, and new approach is opened up as fuel applications to relate to cigarette garbage, but directly burnt with existing coal-burning boiler
Biomass fuel made by relating to cigarette waste still suffers from problems with：
（1）Stove stokehold hopper is directly connected with boiler furnace, once fire grate is out of service, it will makes to be not used in hopper
Biomass fuel causes burning；
（2）Combustor chimney arch is unfavorable for heat build-up, as fuel value is low, combustion journey is short during direct biomass-burning fuel, causes
Ignition temperature is low, is unfavorable for that coke tar cracking and fuel burn completely；
（3）Boiler, is directly fired biological the characteristics of according to dividing fractional combustion during biomass fuel combustion without overfire air device
Matter fuel is unfavorable for the burning completely and the control of NOx of volatile matters；
（4）Boiler does not configure soot blower, when directly burning relates to cigarette refuse derived fuel, due to high temperature hot gas miscarriage life in a large number
Dust the heat exchange area shape such as can be attached at water screen tube pipe, convection tube, economizer, air preheater and flue gas rotary angle
Into dust deposition, boiler is affected normally to run；
（5）Coal-burning boiler coal economizer, air preheater are rib heat exchanging pipe, and the tube pitch that exchanges heat is little, and burning relates to cigarette
Can be blocked because dust stratification is serious during refuse derived fuel；
（6）Without tar oil treatment device, make a small amount of unburned completely after tar blocking technique related device, causing ring
Border affects normal operation while pollution；
（7）Coal-burning boiler adopts water dust scrubber, little to the dust removing effects of particulate matter in flue gas during biomass combustion, and
The sewage that water dust scrubber is discharged can pollute environment because particulate matter sedimentation is undesirable, thus, do not adapt to completely and reach make
With the related request of environmental protection after biomass fuel heat supply.
Utility model content
To solve the above problems, this utility model provides a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel, energy
Effectively using the fuel related to based on cigarette garbage, realize redrying relate to cigarette garbage in the case where not dispatching from the factory all safety destroy,
Energy regenerating.
This utility model is realized by following technical proposal：It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel,
Including the boiler body with combuster, the stokehold hopper of boiler body arrival end is arranged on, boiler body bottom is arranged on
Fire grate, is arranged on the water screen tube of combustor surrounding, is arranged on convection tube in boiler body, economizer and air preheater,
The aerator being connected with the import of air preheater, connects the outlet of air preheater and the hot-blast main of fire grate bottom air compartment,
And the cleaner unit and air-introduced machine of the connection boiler body port of export；It is characterized in that：Feed cylinder is provided with the stokehold hopper,
Combustor sets face arch and rear arch, and overfire air device is set in the middle part of combustor, respectively in water screen tube, convection tube, economizer, air
The heating surface of preheater arranges several shock wave soot blowers.
The overfire air device is provided in the left and right sides in the middle part of combustor, sets 8 groups altogether.
Tar processor is set between the boiler body and cleaner unit.
The cleaner unit is bag pulse dedusting device, realizes dry dust collection.
Dry slag-removing machine is set below the boiler body, is connected with slag-removing hopper.
The water inlet of the economizer is connected with boiler feedwater by feed pump.
The convection tube connection upper drum and lower drum, set steam (vapor) outlet on upper drum, upper drum also passes through feedwater piping
It is connected with economizer outlet.
The water screen tube connection upper collecting chamber and lower header, upper collecting chamber are connected with upper drum, and lower header is connected with lower drum.
The boiler thermodynamic system course of work that this utility model is provided is as follows：
（1）The biomass granule fuel related to based on cigarette garbage is uniformly sent into into burning by being fed cylinder from stokehold hopper
Room, fuel are uniformly moved back into combustor with fire grate, are lighted by manual firing's mode, while adjusting air inducing unit frequency
Combustion chamber draft is made to maintain -10pa or so；
（2）By aerator pressure air blast air inlet preheater, the heat of Jing boiler bodies bottom after fume afterheat is absorbed
Wind house steward, then seven air compartments of Jing fire grates bottom allocate combustor into respectively, as First air.First stage, is Volatile
Gasifying stage, temperature maintain 750～850 DEG C, and this stage, volatile matters were analysed from biomass fuel in a large number under anaerobic condition
Go out, main component is CO, CH4、H2, tar, other Hydrocarbon and water vapour etc., can suppress in the atmospheric condition of reproducibility
The production of NOx；
（3）Second stage, is fixed carbon combustion phases, and fixed carbon follows fire grate to be moved rearwards by participating in burning, then allocates into and fill
Sufficient air quantity（First air）Under conditions of, fixed carbon is realized burning completely, realize that temperature heats up and 1000 are maintained in combustor～
1100℃；
（4）Phase III, is the volatile combustion stage, the volatile matters that the first stage produces（Mainly fuel gas）Negative
Combustor middle and upper part is risen under the conditions of pressure, the combustible component here under conditions of necessary secondary wind is filled into, in volatile matters
Burn completely, temperature maintains 1100～1200 DEG C；
（5）Boiler feedwater enters economizer under the pressure of feed pump, is entered after absorbing fume afterheat in economizer
Drum, the water in upper drum enter lower drum Jing after convection tube heat exchange, subsequently enter lower header, the water cooled wall of the water in lower header
Pipe returns to upper drum after exchanging heat again.Radiant heat and the thermal current for being formed and boiler heating surface that burning is produced（It is water screen tube, right
Flow tube）Heat exchange is carried out, water is heated rapidly generation steam, for production and application；
（6）Shock wave soot blower is periodically taken turns to positions such as boiler water-wall tube, convection tube, economizer, air preheaters automatically
Stream is purged；
（7）The high-temperature flue gas that burning is produced are completed after heat exchange with boiler evaporating heating surface, and Jing flues enter economizer and sky
Air preheater completes UTILIZATION OF VESIDUAL HEAT IN, enters tar processor, bag pulse dedusting device dedusting, after removing dust after UTILIZATION OF VESIDUAL HEAT IN
Clean tail gas enters air by air-introduced machine forced ventilation Jing chimney；
（8）The lime-ash that fuel combustion is produced after finishing is delivered to slag-removing hopper with fire grate, fills Jing after dry slag-removing machine cleaning
Bag.
Advantage and effect that this utility model possesses：This utility model is enterprising on former combustion coal chain boiler therrmodynamic system basis
Row transformation, increases feed drum apparatus, the fuel in the hopper of stokehold and combustor is separated, stokehold hopper is realized at boiler feed
Anti-backfire and uniform feeding；Combustor sets up face arch and rear arch, increases wall with refractory lining, refracto newly, lift ignition temperature, carry in making combustor
High fuel burn-off rate, realizes that fuel burns completely, realizes energy-efficient；The overfire air device of combustion chamber placement, with aerator shape
Into First air realize jointly staged air distribution, three ultrahigh temperature combustions of air classification, maximum combustion temperature reach 1200 DEG C of height
Temperature, a large amount of tar produced in making to relate to cigarette garbage biomass fuel obtain fully cracking burning；Combustion system is using air point
Level combustion control technology, on the premise of fuel burns completely, can effectively reduce the discharge capacity of NOx, effectively adjust burner
Condition；Increase shock wave soot blower, ash blowing mouth passes through furnace wall down current arrangement each heating surface on exhaust gases passes, periodically automatic by air-flow
The heating surfaces such as boiler water wall, convection tube, economizer, air preheater are purged, so as to the product of effectively solving boiler heating surface
Grey problem, reduces heat loss due to exhaust gas, improves boiler thermal output；Boiler smoke carries out decoking, and cloth bag by tar processor
Cleaner unit dedusting, efficiency of dust collection can reach 99.8%, effectively reduce tar and the discharge of particulate matter thing；Boiler thermodynamic system operation control
System is realized remotely monitor, and operating condition is precisely controlled using DCS+ frequency conversion electric control systems while safety electricity-saving.
This utility model is safe and reliable, improve production efficiency, reduces cost of labor；Boiler thermodynamic system is enterprising on former coal-burning boiler basis
Row transformation, cost of investment are low；Boiler heating, boosting are fast；After fuel combustion, biological lime-ash is collected using dry type, recyclable making
Fertilizer, realizes that the efficient circulation of biomass energy is utilized.
This utility model can effectively utilizes redrying enterprise relate to cigarette garbage, and realize the profit again of energy regenerating and resource
With；When improved boiler thermodynamic system burning is main fuel to relate to cigarette garbage, boiler thermal output is more than coal-burning boiler
The thermal efficiency；Boiler smoke NOx, SO2, soot emissions reach GB13271-2014《Emission standard of air pollutants for boilers》In to combustion
The requirement of gas boiler.
Description of the drawings
Structural representations of the Fig. 1 for the coal-burning boiler therrmodynamic system of prior art；
Structural representations of the Fig. 2 for this utility model boiler thermodynamic system.
In figure, 1-boiler body, 2-feed cylinder, 3-stokehold hopper, 4-face arch and rear arch, 5-overfire air device,
6-wall with refractory lining, refracto, 7-water screen tube, 8-shock wave soot blower, 9-convection tube, 10-feedwater piping, 11-economizer, 12-empty
Air preheater, 13-tar processor, 14-cleaner unit, 15-air-introduced machine, 16-dry slag-removing machine, 17-fire grate, 18-drum
Blower fan, 19-hydraulic discharged slag pipe, 20-hot-blast main, 21-slag-removing hopper, 22-upper drum, 23-lower drum, 24-steam go out
Mouthful, 25-upper collecting chamber, 26-lower header, 27-combustor.
Specific embodiment
This utility model is described further with reference to embodiment and accompanying drawing.
As illustrated, include the boiler body 1 with combuster 27 to relate to boiler thermodynamic system of the cigarette garbage as fuel,
The stokehold hopper 3 of 1 arrival end of boiler body is arranged on, the fire grate 17 of 1 bottom of boiler body is arranged on, is arranged on combustor 27 4
The water screen tube 7 in week, is arranged on convection tube 9 in boiler body 1, economizer 11 and air preheater 12, with air preheater
The aerator 18 that 12 import is connected, connects the hot-blast main 20 of the 17 bottom air compartment of outlet and fire grate of air preheater 12, with
And the cleaner unit 14 and air-introduced machine 15 of connection 1 port of export of boiler body；Feed cylinder 2, combustor are provided with the stokehold hopper 3
27 set face arch and rear arch 4, and the middle part of combustor 27 sets overfire air device 5, respectively water screen tube 7, convection tube 9, economizer 11,
The heating surface of air preheater 12 arranges several shock wave soot blowers 8.
The overfire air device 5 is provided in the left and right sides in the middle part of combustor 27, sets 8 groups altogether；Boiler body 1 and dedusting
Tar processor 13 is set between device 14；Cleaner unit 14 is bag pulse dedusting device, realizes dry dust collection；Under boiler body 1
Side sets dry slag-removing machine 16, is connected with slag-removing hopper 21；The water inlet of economizer 11 is connected with boiler feedwater by feed pump；Convection current
Pipe 9 connects upper drum 22 and lower drum 23, and steam (vapor) outlet 24 is set on upper drum 22, and upper drum 22 is also by feedwater piping 10 and province
11 outlet of coal device is connected；Water screen tube 7 connects upper collecting chamber 25 and lower header 26, and upper collecting chamber 25 is connected with upper drum 22, next part
Case 26 is connected with lower drum 23.
The boiler thermodynamic system course of work that this utility model is provided is as follows：
（1）By the biomass granule fuel for relating to based on cigarette garbage, from stokehold hopper 3, by being fed, cylinder 2 is uniform to send into combustion
Room 27 is burnt, fuel is uniformly advanced into combustor 27 with fire grate 17, is lighted by manual firing's mode, while adjustment is drawn
15 frequency of blower fan makes 27 negative pressure of combustor maintain -10pa or so；
（2）By 18 pressure air blast air inlet preheater 12 of aerator, 1 bottom of Jing boiler bodies after fume afterheat is absorbed
Hot-blast main 20, then seven air compartments of 17 bottom of Jing fire grates allocate combustor 27 into respectively, used as First air.First stage, it is
Volatile gasifying stage, temperature maintain 750～850 DEG C, and this stage, volatile matters were from biomass fuel under anaerobic condition
In separate out in a large number, main component be CO, CH4、H2, tar, other Hydrocarbon and water vapour etc., in the atmosphere bar of reproducibility
Part can suppress the production of NOx；
（3）Second stage, is fixed carbon combustion phases, and fixed carbon follows fire grate 17 to participate in forward burning, then allocates abundance into
Air quantity（First air）Under conditions of, fixed carbon is realized burning completely, realize that temperature heats up and 1000 are maintained in combustor 27～
1100℃；
（4）Phase III, is the volatile combustion stage, the volatile matters that the first stage produces（Mainly fuel gas）Negative
27 middle and upper part of combustor is risen under the conditions of pressure, under conditions of necessary secondary wind is filled into, the combustible component in volatile matters exists
This burns completely, and temperature maintains 1100～1200 DEG C；
（5）Boiler feedwater enters economizer 11 under the pressure of feed pump, absorbs fume afterheat laggard in economizer 11
Enter upper drum 22, the water in upper drum 22 Jing after the heat exchange of convection tube 9 enters lower drum 23, subsequently enters lower header 26, lower header
The water cooled wall pipe of water in 26 7 returns to upper drum 22 after exchanging heat again.Radiant heat and the thermal current for being formed and pot that burning is produced
Stove heating surface（Water screen tube 7, convection tube 9）Heat exchange is carried out, water is heated rapidly generation steam, for production and application；
（6）Shock wave soot blower 8 is periodically automatically to boiler water-wall tube 7, convection tube 9, economizer 11, air preheater 12 etc.
Position is purged in turn；
（7）The high-temperature flue gas that burning is produced are completed after heat exchange with boiler evaporating heating surface, and Jing flues enter 11 He of economizer
Air preheater 12 completes UTILIZATION OF VESIDUAL HEAT IN, and tar processor 13, cleaner unit 14, the clean tail after removing dust are entered after UTILIZATION OF VESIDUAL HEAT IN
Gas enters air by 15 forced ventilation Jing chimney of air-introduced machine；
（8）The lime-ash that fuel combustion is produced after finishing is delivered to slag-removing hopper 21 with fire grate 17, and Jing dry slag-removing machines 16 are clear
Reason pack.
Claims (8)
1. a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel, including the boiler body with combuster, it is arranged on pot
The stokehold hopper of furnace body arrival end, is arranged on the fire grate of boiler body bottom, is arranged on the water screen tube of combustor surrounding, if
Put convection tube in boiler body, economizer and air preheater, the aerator being connected with the import of air preheater, connection
The outlet of air preheater and the hot-blast main of fire grate bottom air compartment, and the cleaner unit and air inducing of the connection boiler body port of export
Machine；It is characterized in that：Feed cylinder is provided with the stokehold hopper, combustor sets face arch and rear arch, and two are set in the middle part of combustor
Secondary wind apparatus, respectively in the several shock wave soot blowers of heating surface arrangement of water screen tube, convection tube, economizer, air preheater.
2. boiler thermodynamic system according to claim 1, it is characterised in that：The overfire air device is provided in combustor
The left and right sides at middle part, sets 8 groups altogether.
3. boiler thermodynamic system according to claim 1, it is characterised in that：Jiao is set between the boiler body and cleaner unit
Oil treater.
4. boiler thermodynamic system according to claim 1, it is characterised in that：The cleaner unit is filled for bag pulse dedusting
Put.
5. boiler thermodynamic system according to claim 1, it is characterised in that：Dry slag disposal is set below the boiler body
Machine, is connected with slag-removing hopper.
6. boiler thermodynamic system according to claim 1, it is characterised in that：The water inlet of the economizer passes through feed pump
It is connected with boiler feedwater.
7. boiler thermodynamic system according to claim 1, it is characterised in that：The convection tube connects upper drum and cooks
Cylinder, sets steam (vapor) outlet on upper drum, upper drum is also connected with economizer outlet by feedwater piping.
8. boiler thermodynamic system according to claim 7, it is characterised in that：The water screen tube connection upper collecting chamber and next part
Case, upper collecting chamber are connected with upper drum, and lower header is connected with lower drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096737.9U CN206073089U (en) | 2016-09-30 | 2016-09-30 | It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621096737.9U CN206073089U (en) | 2016-09-30 | 2016-09-30 | It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel |
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| Publication Number | Publication Date |
|---|---|
| CN206073089U true CN206073089U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096737.9U Active CN206073089U (en) | 2016-09-30 | 2016-09-30 | It is a kind of to relate to boiler thermodynamic system of the cigarette garbage as fuel |
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| CN (1) | CN206073089U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224981A (en) * | 2016-09-30 | 2016-12-14 | 云南烟叶复烤有限责任公司 | A kind of to relate to the cigarette garbage boiler thermodynamic system as fuel and method thereof |
| CN109827333A (en) * | 2019-03-21 | 2019-05-31 | 佛山市三水粤山装饰实业有限公司 | A kind of thermal oil heating piping system of energy-saving and emission-reduction |
-
2016
- 2016-09-30 CN CN201621096737.9U patent/CN206073089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224981A (en) * | 2016-09-30 | 2016-12-14 | 云南烟叶复烤有限责任公司 | A kind of to relate to the cigarette garbage boiler thermodynamic system as fuel and method thereof |
| CN109827333A (en) * | 2019-03-21 | 2019-05-31 | 佛山市三水粤山装饰实业有限公司 | A kind of thermal oil heating piping system of energy-saving and emission-reduction |
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