CN207831370U - A kind of small-sized rubbish incineration experiment platform incinerator - Google Patents
A kind of small-sized rubbish incineration experiment platform incinerator Download PDFInfo
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- CN207831370U CN207831370U CN201721270432.XU CN201721270432U CN207831370U CN 207831370 U CN207831370 U CN 207831370U CN 201721270432 U CN201721270432 U CN 201721270432U CN 207831370 U CN207831370 U CN 207831370U
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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
Abstract
The utility model discloses a kind of small-sized rubbish incineration experiment platform incinerators.Including water tank, the first water pump of cooling column, the second water pump, air blower, burner hearth, reciprocal grate etc.；The outlet of flue is sequentially connected economizer, air preheater, deduster by pipeline；The First air of air blower is sequentially connected air preheater, lower butterfly valve air register by pipeline；Secondary Air is directly connected to butterfly valve air register by piping connection；First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；Water in water tank is delivered to economizer 7 and water-cooled jacket by the second water pump respectively, and water tank is returned after flue gas.The tail portion of the deduster connects air-introduced machine；The flue gas that testing stand burning generates, after the flue on testing stand top is entered by burner hearth, using the cooling of fuel saving device and air preheater, chimney is discharged into after deduster, into air by air-introduced machine.Present apparatus technological means is simple and easy to do, is widely applicable for institution of higher learning, research and development department.
Description
Technical field
The utility model is related to garbage incinerating system more particularly to a kind of small-sized rubbish incineration experiment platform incinerators.
Background technology
With the fast development of China's economy, " garbage-surrounded city " threat is on the rise.Waste incineration and generating electricity is garbage disposal
A kind of important means, rubbish pass through power generation by waste combustion, generally can volume reduction 85~90%, loss of weight about 80%, lime-ash can be used to brickmaking
It utilizes, the heat of incineration firing can be used for generating electricity again.Compared with landfill, comprehensive utilization, garbage burning factory is built advantageously,
It takes effect faster, utilization is more abundant.By the end of the year 2015, about 4,800,000 kilowatts of China's waste incineration and generating electricity installed capacity, generated energy is about
25000000000 kilowatt hours, year handle about 80,000,000 tons of rubbish, account for about the 40% of year refuse production, go into operation and in the house refuse built
Power generation by waste combustion factory is more than 300.China plans stable development application of city life garbage power generation by waste combustion during " 13 ".According to rule
It draws, arrives " 13 " latter stage, about 7,500,000 kilowatts of waste incineration and generating electricity installed capacity.China's waste incineration and generating electricity cause enters fast
Violent developing period.
However during actually putting into operation, garbage burning factory still has many problems：Furnace wall caves in, and water-wall corrosion is quick-fried
Pipe, the pollution control of flue gas emission are undesirable etc..Once waste incinerator occurs quick-fried caused by water-wall corrosion in overhaul time
Pipe and stopping accident, it will huge economic loss is brought to power plant.And one waste incinerator manpower and financial resources input of exploitation
It is huge, thus design build laboratory scale small refuse incinerator it is very significant, can be used for study different type rubbish
Rubbish enters the case where stove burns, and analyzes the ingredient of waste gas generated by burning garbage, and a systems such as preliminary identification are carried out to waste incineration numerical simulation
Row scientific research activity.
Invention content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency, it is small to provide a kind of economic input,
Small-sized rubbish incineration experiment platform incinerator that is easy to operate, easy to control, can be used for experimental study.
The utility model is achieved through the following technical solutions：
A kind of small-sized rubbish incineration experiment platform incinerator, including water tank, the first water pump of cooling column, the second water pump, air blast
Machine, burner hearth 2, the reciprocal grate 11 being placed in burner hearth 2,2 top of burner hearth flue 6；
The outlet of the flue 6 is sequentially connected economizer 7, air preheater 8, deduster 9 by pipeline；
It is provided with water-cooled jacket on pipeline between the outlet and economizer 7 of the flue 6；
The air compartment of 11 lower section of the reciprocal grate is equipped with multiple lower butterfly valve air registers 12；The top of the burner hearth 2 is equipped with more
A upper butterfly valve air register；
The First air of the air blower is sequentially connected air preheater 8, lower butterfly valve air register 12 by pipeline；The air blower
Secondary Air is directly connected to butterfly valve air register by piping connection；
First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；
Water in water tank is delivered to economizer 7 and water-cooled jacket by second water pump respectively, and is returned after flue gas
Water tank.
The tail portion of the deduster 9 connects air-introduced machine；The flue gas that testing stand burning generates, is entered by burner hearth 2 on testing stand
After the flue 6 in portion, using the cooling of fuel saving device and air preheater 8, chimney is discharged by air-introduced machine after deduster 9, into big
In gas.
Be distributed in the channel of the flue 6 it is multiple be staggered stream wall, make flue gas flue inner curve move ahead, with
Increase stroke of the flue gas in flue, makes its extended residence time.
The side wall of the burner hearth 2 is equipped with temperature-measuring port 3, sample tap 4 and pressure tap 5, and thermometric is also disposed on air preheater 8
Mouth 3；In the burner hearth, multiple temperature sensors are sequentially distributed by flow of flue gas direction, with real-time collecting temperature data.
The top of the reciprocal grate 11 is equipped with feed hopper 1, and lower part is equipped with slag remover 10.
The lower sidewalls of the reciprocal grate 11 are opened up there are four shoot door 13.
Flue gas operating procedure：Fuel burns from feed hopper push-in reciprocal grate into burner hearth postignition, high-temperature flue gas,
After flue outlet enters economizer, air preheater heat exchange cooling, low-temperature flue gas is evacuated to cigarette after deduster, then by air-introduced machine
Chimney is arranged to air；
Watering cycle operating procedure：First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；
Water in water tank is delivered to economizer 7 and water-cooled jacket by the second water pump respectively, and water tank is returned after flue gas；
Give wind operating procedure；The First air of the air blower passes through air preheater 8, lower butterfly valve air register 12 successively by pipeline
The air compartment for reaching 11 lower section of reciprocal grate afterwards, then enters burner hearth by reciprocal grate 11；The Secondary Air of air blower passes through upper butterfly
Valve air register is directly entered the top of burner hearth.
The rate-determining steps of testing stand incinerator：Control uses single machine control model, without interlocking function；
When booting, boot sequence is：Water pump, slag remover, air-introduced machine, air blower, reciprocal grate 11；
When shutdown, stopping sequence is：Reciprocal grate 11, air blower, air-introduced machine, slag remover, water pump.
The utility model compared with the existing technology, has the following advantages and effect：
This waste incinerator testing stand scale is small and exquisite, and management is convenient, and reliable for operation, manpower and materials are with the obvious advantage.
The inverse-push reciprocal grate of use, stable and reliable operation, processing cost is small, easily operated, and lime-ash clinker ignition loss reaches
Mark.
It can be used for pollutant emission, efficiency of combustion, rubbish enters the research of stokehold processing etc., and applicability is extensive.
In summary, the utility model technological means is simple and easy to do, is widely applicable for institution of higher learning, research and development department.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model small-sized rubbish incineration experiment platform.
Fig. 2 is the schematic cross-sectional view of the utility model small-sized rubbish incineration experiment platform.
Fig. 3 is the total system schematic diagram of small-sized rubbish incineration experiment platform.
Fig. 4 is reciprocal grate structural schematic diagram.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figures 1 to 4.The utility model discloses a kind of small-sized rubbish incineration experiment platform incinerator, including water tank,
The first water pump of cooling column, the second water pump, air blower, burner hearth 2, the reciprocal grate 11 being placed in burner hearth 2,2 top of burner hearth flue
6；
The outlet of the flue 6 is sequentially connected economizer 7, air preheater 8, deduster 9 by pipeline；
It is provided with water-cooled jacket on pipeline between the outlet and economizer 7 of the flue 6；
The air compartment of 11 lower section of the reciprocal grate is equipped with multiple lower butterfly valve air registers 12；The top of the burner hearth 2 is equipped with more
A upper butterfly valve air register；
The First air of the air blower is sequentially connected air preheater 8, lower butterfly valve air register 12 by pipeline；The air blower
Secondary Air is directly connected to butterfly valve air register by piping connection；
First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；
Water in water tank is delivered to economizer 7 and water-cooled jacket by second water pump respectively, and is returned after flue gas
Water tank.
The tail portion of the deduster 9 connects air-introduced machine；The flue gas that testing stand burning generates, is entered by burner hearth 2 on testing stand
After the flue 6 in portion, using the cooling of fuel saving device and air preheater 8, chimney is discharged by air-introduced machine after deduster 9, into big
In gas.
Be distributed in the channel of the flue 6 it is multiple be staggered stream wall, make flue gas flue inner curve move ahead, with
Increase stroke of the flue gas in flue, makes its extended residence time.
The side wall of the burner hearth 2 is equipped with temperature-measuring port 3, sample tap 4 and pressure tap 5, and thermometric is also disposed on air preheater 8
Mouth 3；In the burner hearth, multiple temperature sensors are sequentially distributed by flow of flue gas direction, with real-time collecting temperature data.
The top of the reciprocal grate 11 is equipped with feed hopper 1, and lower part is equipped with slag remover 10.
The lower sidewalls of the reciprocal grate 11 are opened up there are four shoot door 13.
Flue gas operating procedure：Fuel burns from feed hopper push-in reciprocal grate into burner hearth postignition, high-temperature flue gas,
After flue outlet enters economizer, air preheater heat exchange cooling, low-temperature flue gas is evacuated to cigarette after deduster, then by air-introduced machine
Chimney is arranged to air；
Watering cycle operating procedure：First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；
Water in water tank is delivered to economizer 7 and water-cooled jacket by the second water pump respectively, and water tank is returned after flue gas；
Give wind operating procedure；The First air of the air blower passes through air preheater 8, lower butterfly valve air register 12 successively by pipeline
The air compartment for reaching 11 lower section of reciprocal grate afterwards, then enters burner hearth by reciprocal grate 11；The Secondary Air of air blower passes through upper butterfly
Valve air register is directly entered the top of burner hearth.
The rate-determining steps of testing stand incinerator：Control uses single machine control model, without interlocking function；
When booting, boot sequence is：Water pump, slag remover, air-introduced machine, air blower, reciprocal grate 11；
When shutdown, stopping sequence is：Reciprocal grate 11, air blower, air-introduced machine, slag remover, water pump.
Sketch application process：
3.233 square metres of the garbage incinerator body floor space of the utility model, 3 meters of base altitude, bed rearrangement testing stand
41.371 square metres of floor space, day 1 ton of process for producing quantity of refuse or 70kg/h.The waste incineration carried out using the experimental bench：
(1) it fires：
Testing stand should be checked (including governing box, mucking machine, induced draft, water pump, related attached comprehensively before lighting a fire
Part, pipeline etc.), water supply work is then carried out, blowdown valve is must shut off before water inlet, inflow temperature is usually no more than 40 DEG C.
When firing, start reciprocal grate (hereinafter referred to as fire grate), fuel is sent near fire door, firewood is placed at fire door
Etc. ignition substances, open big air-introduced machine flue gas and adjust door, enhance gravity-flow ventilation, after ignition substance burning, turn flue gas down and adjust door, discontinuously
Air-introduced machine is opened, after ignition substance burning is vigorous, at this moment can open air blower, and reinforces observing case of fire, it is appropriate to carry out
It puts a chimney on the stove and make the fire draw, waits for that chimney arch heats, fuel adjusts drum absorbing quantity after continuously catching fire, combustion chamber draft maintains 0-30Pa water columns, makes burning gradually
Become normal.Temperature increase should not be too fast when firing, and avoids each section from generating excessive thermal stress because heated different, influences testing stand
Service life, each firing-up period are advisable (by black furnace into trystate) not less than 1 hour.During experiment, province should be supervised
The exit water temperature of coal device, the water temperature should be not higher than 80 DEG C, such as be more than defined temperature when, feed-water valve should be adjusted, increase into
Water.
(2) it runs：
When testing stand normal operation, it is desirable that accomplish that water level is normal in water tank, pipeline pressure is stablized, and reinforces to each mechanical equipment
With the supervision of instrument, it is ensured that it is safe and reliable, prevent accident.
Cistern water level：Often notice that cistern water level variation, general water level cannot be below tank height half.In water gage
Water level generally has pico- shaking phenomenon.If the water surface is stationary, then there may be stopping state in water gage, should be rushed immediately
Xian.It is primary that Xian's water gage should be rushed before experiment every time, makes water gauge glass pipe that regular cleaning be kept to ensure that water level clearly accurately may be used
It leans on.It such as finds that when glass pipe gasket leak filler should be tightened.As glass is smudgy or water level line see it is indefinite, through rinse still
When not having effect, it should replace.
Water work：Whether operating examines all waterworks (including pump and valve etc.) normal before the test, such as faulty
It repairs at once.Testing stand water supply takes continuum micromeehanics, economizer exit highest water temperature that should be not higher than 80 DEG C, is such as more than regulation temperature
Degree should increase quantity of circulating water and adjust water temperature, ensure that economizer will not damage.Testing stand wants periodical blowdown, generally once every hour.
Answer whether running check blowdown valve has leakage.
The operation of combustion apparatus operates：Pusher and fire grate share same motor, and speed reducer is stepless speed regulation, can basis
It needs to adjust fire grate speed and delivery rate.Forbid to start motor after knob is screwed into low speed.The push-in depth of pusher, can be with
It is realized by adjusting pin location on charging ram, when pin is placed on the pin hole far from hopper, pusher enters burner hearth
Depth it is deep, when terminating to test, pin is placed on farthest pin hole, so that it may the material in hopper is pushed completely into burner hearth
It is interior.When normal operation, pin is put back to original pin hole.
Normal combustion operating mode should be in burner hearth：Grate is smooth, and flame is close and uniform, is in glassy yellow, does not wear the fire of cold wind
Mouthful, burning segment neat and consistent, combustion chamber draft ensures in 0-30pa water columns.When testing stand load variations, first changes air inducing and change again
Become air-supply, then changes fire grate speed.The air door of fire grate inlet air plenum is changed according to fuel kind and combustion conditions are adjusted.Generally
In the case of head and the tail air door open to obtain very little or fully closed, intermediate air door is according to combustion case standard-sized sheet or slightly adjusts.It is firing or fuel
When difficulty of catching fire, big first air door can be suitably opened, when coke is not when tail portion is burnt also, just suitably opens big a tail wind door.In hopper not
Energy short bunker eliminates in hopper the phenomenon that putting up a bridge (fuel chokes in hopper, does not fall on fire grate down) at any time.When fuel into
After entering burner hearth, it should catch fire in the range of apart from 0.2 meter of hopper outlet.Fuel is not allowed to burn under hopper, in order to avoid burn out material
Bucket, if finding, fuel burns below hopper, can be to the suitably more waterings of fuel, and accelerates fire grate speed, when fuel is away from fuel
Ability initial burning at 0.4 meter of gate, i.e. meaning " de- fire " must then be pulled out the fuel to have caught fire to new combustion with the hook that puts a chimney on the stove and make the fire draw from peephole
On the bed of material, or input firewood, accelerate it to catch fire.Fuel should before the slag remover of fire grate tail portion all burnt at 0.5 meter.It such as finds red
When slag (i.e. fuel is not burnt) is deposited in tail portion, it should be to put a chimney on the stove and make the fire draw, it is allowed to burn.
Points for attention when operation：It was found that beat coke when coking, coke button is not greater than 300 millimeters, to ensure that its lime-ash must profit
Into slag remover, finds bulk coking, should smash in time.If both walls coking under face arch should open poke door, carry out beating coke；
It when burner is presented on grate or is uneven, should rake, eliminate burner, ensure that grate is smooth；Long-time banking fire should be avoided, is prevented
Only fire grate damages, and fire grate both side plate and axis pin bend；It should be noted that whether there is or not special sounds in testing stand each portion when operation, such as
Have to check immediately, when necessary blowing out inspection, can be continued to run with after releasing failure；Ash in air compartment is timely after testing every time
It removes, when deashing, opens shoot door, ash is shoveled out with spade；Burn more ash contents fuel when, scraper slag removing machine should continuously start
It slags tap, it is ensured that water level prevents high-temperature fuel slag from slag remover being caused to deform, while playing water seal in specified altitude in slag bucket,
Prevent cold wind from leaking into burner hearth；Such as ironware, stiff briquette fuel slag etc. makes scraper slag removing machine block, should turn off motor immediately.Manually
Suitable pull out turns, and opens motor after loosening again.
(3) blowing out：
Encounter fire grate block or fire grate segment fracture, scraper plate slag tapping equipment blocks, and in order to rapidly solve failure, should be faced
When failure blowing out (also known as short time banking fire).
Special circumstances are encountered, for the sake of safe and reliable, it is necessary to urgent blowing out.Blowing out is due to situation difference, it is desirable that also not
Together, specific steps are respectively described below：Temporary derangement blowing out, first closes air blower, and crack air-introduced machine stops fire grate rotation, removes
The fuel of hopper prevents from burning out hopper, handles related failure rapidly；When complete blowing out, it should which the fuel in trial furnace is complete
Dryout it is net after, stop each motor operation according to shutdown sequence, when blowing out takes care and maintained equipment, waits for that economizer goes out water cooling
When to 50 DEG C or less, water pump could be stopped.In testing stand operation, encounters following situations for the moment, urgent blowing out should be taken.
1, when cistern water level is reduced to the water level limit inferior of testing stand operation defined or less；
2, testing stand component wear and jeopardize operations staff safety；
3, the failure of feed pump whole or water supply system failure, cannot be to testing stand water supply；
4, other abnormal conditions for jeopardizing testing stand operation.
(4) maintaining：
Day-to-day operation need to make following maintaining：1, running check fire grate reduction box, slag tapping equipment head reduction box bearing are answered
Whether the lubricating oil in case is maintained in mobility scale, shallow, should refuel in time, and permeability will be eliminated in time.If 2, air-introduced machine occurs
High vibration answers shutdown inspection, is generally that should give exchange caused by internal impeller abrasion or serious dust stratification.3, testing stand bottom
On ground level can not ponding, to prevent cargo sweat pedestal.4, water gage, valve, pipe flange etc. should be repaired if any leakage.
5, how is the degree of wear of the impeller of inspection induced draft and shell.6, testing stand insulating layer case (exoperidium) and testing stand
Pedestal (including fire grate bottom plate lower plane and blast pipe) will at least paint primary every year.It has and falls when 7, doing experiment, in wind cabin
Ash can open shoot door, be cleaned out with spade after the end of the test.8, flue lower part is equipped with two butterfly valve deashings along length
Door, two drawing and pulling type shoot doors, shoot door is closed when normal operation, reduces leaking out for testing stand, reduces testing stand flue gas loss,
Deashing after shoot door must be tested every time, when deashing, cannot open air-introduced machine.
Testing stand, which is run 1 year, above should make following maintenance and inspection and work：1, fire grate reduction box, slag tapping equipment reduction box should all
Cleaning is dismantled, and exchanges lubricating oil, oil sealing should be replaced if damage.2, scraper slag removing machine buries scraper plate, the abrasion of shell and sprocket wheel
If situation is seriously worn, can be replaced.3, dismantle reciprocal grate, check fire grate segment, fire grate pin, driving shaft, on holder and
The abrasion condition of fricting strip on bottom plate etc., severe patient should be replaced.
As described above, the utility model can be realized preferably.
The embodiment of the utility model is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Changes, modifications, substitutions, combinations, simplifications made by under Spirit Essence and principle, should be equivalent substitute mode, are included in
Within the scope of protection of the utility model.
Claims (6)
1. a kind of small-sized rubbish incineration experiment platform incinerator, it is characterised in that：Including water tank, the first water pump of cooling column, second
Water pump, air blower, burner hearth (2), the reciprocal grate (11) being placed in burner hearth (2), burner hearth (2) top flue (6)；
The outlet of the flue (6) is sequentially connected economizer (7), air preheater (8), deduster (9) by pipeline；
It is provided with water-cooled jacket on pipeline between the outlet and economizer (7) of the flue (6)；
Air compartment below the reciprocal grate (11) is equipped with multiple lower butterfly valve air registers (12)；The top of the burner hearth (2) is equipped with
Multiple upper butterfly valve air registers；
The First air of the air blower is sequentially connected air preheater (8), lower butterfly valve air register (12) by pipeline；The air blower
Secondary Air is directly connected to butterfly valve air register by piping connection；
First water pump directly returns to water tank after the water in water tank is delivered to cold water tower cooler；
Water in water tank is delivered to economizer (7) and water-cooled jacket by second water pump respectively, and water is returned after flue gas
Case.
2. small-sized rubbish incineration experiment platform incinerator according to claim 1, it is characterised in that：The deduster (9)
Tail portion connects air-introduced machine；The flue gas that testing stand burning generates, after the flue (6) on testing stand top is entered by burner hearth (2), using
The cooling of fuel saving device and air preheater (8) is discharged into chimney, into air after deduster (9) by air-introduced machine.
3. small-sized rubbish incineration experiment platform incinerator according to claim 2, it is characterised in that：The flue (6) is led to
Be distributed in road it is multiple be staggered stream wall, make flue gas flue inner curve move ahead, to increase row of the flue gas in flue
Journey makes its extended residence time.
4. small-sized rubbish incineration experiment platform incinerator according to claim 3, it is characterised in that：The side of the burner hearth (2)
Wall is equipped with temperature-measuring port (3), sample tap (4) and pressure tap (5), and temperature-measuring port (3) is also disposed on air preheater (8)；The stove
In thorax, multiple temperature sensors are sequentially distributed by flow of flue gas direction, with real-time collecting temperature data.
5. small-sized rubbish incineration experiment platform incinerator according to claim 4, it is characterised in that：The reciprocal grate (11)
Top be equipped with feed hopper (1), lower part be equipped with slag remover (10).
6. small-sized rubbish incineration experiment platform incinerator according to claim 5, it is characterised in that：The reciprocal grate (11)
Lower sidewalls open up there are four shoot door (13).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816727A (en) * | 2017-09-29 | 2018-03-20 | 华南理工大学 | A kind of small-sized rubbish incineration experiment platform incinerating method and its device |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107816727A (en) * | 2017-09-29 | 2018-03-20 | 华南理工大学 | A kind of small-sized rubbish incineration experiment platform incinerating method and its device |
| CN107816727B (en) * | 2017-09-29 | 2024-02-06 | 华南理工大学 | Small garbage incineration test bed incineration method and device |
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