CN109827170A - A kind of biomass boiler bed material slag-draining device - Google Patents
A kind of biomass boiler bed material slag-draining device Download PDFInfo
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- CN109827170A CN109827170A CN201910234932.5A CN201910234932A CN109827170A CN 109827170 A CN109827170 A CN 109827170A CN 201910234932 A CN201910234932 A CN 201910234932A CN 109827170 A CN109827170 A CN 109827170A
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- 239000000463 material Substances 0.000 title claims abstract description 157
- 239000002028 Biomass Substances 0.000 title claims abstract description 41
- 239000002893 slag Substances 0.000 claims abstract description 96
- 230000008676 import Effects 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000012216 screening Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010884 boiler slag Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- VMXUWOKSQNHOCA-UKTHLTGXSA-N ranitidine Chemical compound [O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-UKTHLTGXSA-N 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The present invention provides a kind of biomass boiler bed material slag-draining devices, kettleman's section apparatus includes boiler body, it is four small to slip square tube and bed material, the middle and lower part of the side wall of boiler body is arranged in four small one end for slipping square tube at equal intervals, the lower section positioned at each small burner hearth import side wall for slipping square tube of boiler body is equipped with parabolic slag chute, the lower end of parabolic slag chute is fixedly connected with one end of deslagging square tube, the bottom that the other end of deslagging square tube passes through boiler body is successively connect with first manual gate valve and the first electric gate valve, first electric gate valve is connect with lag cooler by pipeline；Automatic control device includes main operation room and automated control unit.Biomass boiler bed material slag-draining device of the present invention, using parabolic deslagging, slag is discharged in time, the automation of bed material deslagging, bed material handle closed operation, and dust pollution reduces, the cooling slag of lag cooler recycles thermal energy, and boiler bed material is stable, and boiler thermal efficiency improves 1.6%.
Description
Technical field
The invention belongs to biomass generation fields, more particularly, to a kind of biomass boiler bed material slag-draining device.
Background technique
Biomass is renewable energy, and biomass power generation is the new industry that national policy is helped, and is solved in recent years
Carry out China's agricultural stalk by on-site incineration, energy waste, the air pollution of on-site incineration bring, soil surface microbial destruction,
Soil hardening, fire safety evaluating hidden danger etc.；Straw power generation is comprehensively utilized the stalk energy, saves a large amount of non-renewable coal moneys
Source.
60% or more the boiler for biomass combustion is fluidized-bed combustion boiler, there is a large amount of bed materials, the effect of bed material in burner hearth
It is the solid that there is certain thickness, meet certain particle size Spreading requirements being laid on before circulating fluidized bed boiler starts on air distribution plate
Particle.Its effect is as follows: temperature in combustion-supporting, adjusting burner hearth realizes low-temperature burning.So boiler bed material is in the intracorporal thickness of furnace
And partial size is one of important technical parameter of Boiler Stable Combustion, conventional processing technique is: in burner hearth bed material with runing time and
Increase, the non-flammable material of biomass fuel bring is continuously increased the intracorporal bed material of furnace, to balance bed material, stablizes boiler combustion
It burns, bed material will have certain ratio to be discharged out of burner hearth, be subcooling to 30 DEG C hereinafter, artificial screening, partial size are less than the bed of 3mm
Material is sent back in burner hearth by bucket elevator, keeps the stability of bed material, transports to brickmaking field resource reutilization outside greater than 3mm bed material.
Conventional bed materials of fluidized bed boiler is that inner of the boiler chamber bed central point investigation naturally cools to room temperature after bed material discharge
Bed material is manually sent into bucket elevator again by artificial screening, into boiler furnace after be heated to 800~850 DEG C and recycle, lack
Point: labor intensity is big, and bed material is cooling, screening, reheats and causes energy loss, and atural beat is cooling to form hot dirt to environment
Dye；Artificial screening, bed material, which is concentrated, enters burner hearth, and bed material heat absorption has an impact to boiler operatiopn technique；Artificial screening working environment is poor,
Dust and heat have damage to worker's health when screening.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of biomass boiler bed material slag-draining devices.
The technical solution adopted by the present invention is that:
A kind of biomass boiler bed material slag-draining device, including kettleman's section apparatus, boiler bed material processing device and automation
Control device；Kettleman's section apparatus include boiler body, it is four small slip square tube and bed material, four described small to slip the one of square tube
End is arranged at equal intervals on the same level altitude line of the middle and lower part of the side wall of the boiler body, bottom in the boiler body
Equipped with bed material, the lower section positioned at each small burner hearth import side wall for slipping square tube of the boiler body is equipped with the parabolic slag
The lower end of slot, the parabolic slag chute is fixedly connected with one end of deslagging square tube；The other end of the deslagging square tube passes through the pot
The bottom of furnace body is successively connect with first manual gate valve and the first electric gate valve, first electric gate valve and cold slag
Machine is connected by pipeline；The lower section of each lag cooler is connected with one end of conveyer belt；The automatic control device packet
Main operation room and automated control unit are included, the automated control unit is arranged to when bed material bed pressure in the boiler body
When being higher than, being equal to or less than preset value, slag charge inside and outside burner hearth is automatically processed.
Biomass boiler bed material slag-draining device of the present invention, wherein the parabolic slag chute is the rectangular truncated cone, described
The side wall of the boiler body at a side of the upper end of parabolic slag chute and the small feed inlet for slipping square tube is simultaneously and fixed
The width of connection, the side is greater than the small width for slipping square tube, the center line of the side and the small center for slipping square tube mouth
Line is overlapped, and is connected with the symmetrical a side in the side with the fixation of siege bed surface.
Biomass boiler bed material slag-draining device of the present invention, it is characterised in that: the groove body surrounding of the parabolic slag chute
The top of side wall offers several slag chute cube blast caps, and several sphere blast caps are equipped at intervals on the siege bed surface.
Biomass boiler bed material slag-draining device of the present invention, wherein one end side wall of the slag chute cube blast cap is set
There are several air holes one, the other end of the slag chute cube blast cap is equipped with the import of cube blast cap, and the upper end of the parabolic slag chute is slag
Troughstand material entrance, the upper end of the sphere blast cap are equipped with several air holes two, the lower end of the sphere blast cap be equipped with sphere blast cap into
Mouthful.
Biomass boiler bed material slag-draining device of the present invention, wherein the deslagging square tube is located at the boiler body
Outer side wall is equipped with the bed material bed and presses collector.
Biomass boiler bed material slag-draining device of the present invention, wherein the boiler bed material processing device includes first
Lift bucket, the first bucket elevator, bed material slag library, the second hand operated gate valve, the second electric gate valve, Pneumatic three-way, air-introduced machine, the slag car,
Vanning, the second lift bucket, the second bucket elevator and bed material enter boiler tube road；The conveyer belt far from the lag cooler one end with it is described
The connection of first lift bucket, first lift bucket are arranged in the lower end of the side wall of first bucket elevator, first bucket elevator it is upper
End is connect by conveyance conduit with the top in bed material slag library, and the bed material slag is additionally provided with high charge level meter, dedusting at the top of library
The lower part of device and vacuum pressure relief valve, the side wall in bed material slag library is equipped with low level-sensing device；The bottom in bed material slag library according to
Secondary to be equipped with second hand operated gate valve and second electric gate valve, three ends of the Pneumatic three-way are respectively with described second
Electric gate valve, the vanning are connected with the slag car, and the lower end of the vanning is connect by pipeline with second lift bucket, institute
The lower end that the side wall of second bucket elevator is arranged in the second lift bucket is stated, the upper end of second bucket elevator and the bed material enter furnace
One end of pipeline connects, and the other end that the bed material enters boiler tube road is connect with the top of the side wall of the boiler body；The slag
Vehicle also passes through pipeline and connect respectively with the vanning and the air-introduced machine, and the air-introduced machine passes through pipeline and bed material slag library
The upper end of side connects.
Biomass boiler bed material slag-draining device of the present invention, wherein the Pneumatic three-way with it is described second electronic
One end of gate valve connection also passes through gas pipeline and connect with air accumulator, and the gas pipeline also passes through tracheae and the deduster
Connection.
Biomass boiler bed material slag-draining device of the present invention, wherein the automated control unit passes through electric signal
Line presses collector, first electric gate valve, the lag cooler, the conveyer belt, described first with the bed material bed respectively
Bucket elevator, second bucket elevator, second electric gate valve, the Pneumatic three-way, the air-introduced machine, the vanning, institute
State low level-sensing device, the high charge level meter is connected with the vacuum pressure relief valve, automated control unit also passes through electrical signal line
It is connect with the main operation room.
Biomass boiler bed material slag-draining device of the present invention, wherein the bed material, which enters, is equipped at intervals with two on boiler tube road
A weight flapper.
Biomass boiler bed material slag-draining device of the present invention, wherein the conveyer belt close to the lag cooler one
The top at end is equipped with permanent magnet.
The invention has the advantages that:
Existing boiler slag removal is that siege bed surface cinder hole opens circular hole or square hole, biomass pot of the present invention on bed surface
Siege material slag-draining device, oblong aperture is opened in feed inlet side boiler side, and uses parabolic deslagging, and slag is discharged in time, bed material deslagging
Automation, bed material handle closed operation, and dust pollution reduces, and the cooling slag of lag cooler recycles thermal energy, and boiler bed material is stable, pot
Furnace thermal efficiency improves 1.6%, and every boiler uses 16 people less.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of biomass boiler bed material slag-draining device of the present invention；
Fig. 2 is the structural schematic diagram of parabolic slag chute and siege bed surface of the present invention；
Fig. 3 is the schematic perspective view of parabolic slag chute and deslagging square tube of the present invention；
Fig. 4 is the structural schematic diagram of slag chute cube blast cap of the present invention；
Fig. 5 is the structural schematic diagram of sphere blast cap of the present invention.
Below in conjunction with specific embodiments and the drawings, the invention will be further described.
Specific embodiment
As shown in Figs. 1-5, at a kind of biomass boiler bed material slag-draining device, including kettleman's section apparatus 100, boiler bed material
Manage device 200 and automatic control device 300；Kettleman's section apparatus 100 include it is boiler body 101, four small slip square tube 102,
The bed material bed of deslagging square tube 105, four of parabolic slag chute 104, four of bed material 103, four presses 106, four first manuals of collector to insert
107, four the first electric gate valves of plate valve, 108, four lag coolers 109, permanent magnet 110 and conveyer belt 111；Four small sides of slipping
One end of pipe 102 is arranged at equal intervals on the same level altitude line of the middle and lower part of the side wall of the boiler body 101, (in Fig. 1
Only display is 1 small slips square tube)；Bottom is equipped with bed material 103 in boiler body 101, and being located at for boiler body 101 each small slips square tube
Parabolic slag chute 104 is correspondingly provided with below 102 burner hearth import side wall, parabolic slag chute 104 is the rectangular truncated cone, parabolic slag chute
The side wall of a side of 104 upper end and the boiler body 101 at the small feed inlet for slipping square tube 102 is fixed simultaneously and by flange
Connection, the width of the side are greater than the small width for slipping square tube 102, in the center line of the side and the small nozzle for slipping square tube 102
Heart line is overlapped, and is connected with the symmetrical a side in the side with the fixation of siege bed surface 121, the lower end and deslagging side of parabolic slag chute 104
One end of pipe 105 is fixedly connected；It is successively inserted with first manual the bottom that the other end of deslagging square tube 105 passes through boiler body 101
Plate valve 107 and the connection of the first electric gate valve 108, the first electric gate valve 108 are connect with lag cooler 109 by pipeline；Each
The lower section of lag cooler 109 is connected with one end of conveyer belt 111；Conveyer belt 111 is equipped with close to the top of one end of lag cooler 109
Permanent magnet 110, the side wall of deslagging square tube 105 being located at outside boiler body 101 are equipped with bed material bed and press collector 106；
The top of the groove body surrounding side wall of parabolic slag chute 104 offers several slag chute cube blast caps 114, slag chute cube blast cap
114 one end side wall is equipped with several air holes 1, and the other end of slag chute cube blast cap 114 is equipped with cube blast cap import 116, side
Body blast cap import 116 is arranged in air compartment 112, and the upper end of parabolic slag chute 104 is slag chute bed material entrance 117, slag chute bed material entrance
117 are greater than the nozzle of deslagging square tube 105, are equipped at intervals with several sphere blast caps 113, sphere blast cap 113 on the siege bed surface 121
Upper end be equipped with several air holes 2 119, the lower end of sphere blast cap 113 is equipped with sphere blast cap import 120, several slag chute cube blast caps
114 and sphere blast cap 113 in 90% the above are sphere blast caps 113.
Siege routine blast cap is sphere blast cap 113, under boiler primary wind pressure, air holes two of the boiler First air from blast cap
Enter burner hearth in 119, blow afloat the bed material boiling in burner hearth while comburant oxygen being provided, bed material is made to contact combustion with biomass fuel
It burns.Parabolic slag chute 104 of the invention is the rectangular truncated cone, a side of the upper end of parabolic slag chute 104 and it is small slip square tube 102 into
The side wall of boiler body 101 at material mouth simultaneously and is fixedly connected, and the width of the side is greater than the small width for slipping square tube 102, is thrown
The center line of the side of the upper end of object slag chute 104 is overlapped with the center line of the small nozzle for slipping square tube 102, is pressed from both sides in biomass fuel
Miscellaneous incombustible big impurity, is fallen directly into parabola into burner hearth and burner hearth is discharged in parabolic slag chute 104, not in siege bed
The operation of bed material technique is influenced on face 121, the invention avoids siege bed surface average open cell deslagginves in conventional burner hearth, cause slag
Row does not come out, and primary wind pressure can not blown again, and long time integration slag increases, and seriously affects bed material process operation, reduces boiler
The problem of production capacity.
Boiler bed material processing device 200 is manual including the first lift bucket 201, the first bucket elevator 202, bed material slag library 203, second
Gate valve 204, the second electric gate valve 205, Pneumatic three-way 206, air-introduced machine 207, the slag car 208, vanning 209, gas pipeline
210, air accumulator 211, the second lift bucket 212,213, two weight flappers 214 of the second bucket elevator, bed material enter boiler tube road 215, low
Level-sensing device 216, high charge level meter 217, deduster 218 and vacuum pressure relief valve 219；The separate lag cooler 109 of conveyer belt 111
One end is connect with the first lift bucket 201, and the lower end of the side wall of the first bucket elevator 202, the first bucket elevator is arranged in the first lift bucket 201
202 upper end is connect by conveyance conduit with the top in bed material slag library 203, and the top in bed material slag library 203 is additionally provided with high charge level meter
217, deduster 218 and vacuum pressure relief valve 219, deduster 218 are DMC pulse bag type dust collector, the side in bed material slag library 203
The lower part of wall is equipped with low level-sensing device 216；It is electronic that the bottom in bed material slag library 203 is successively arranged the second hand operated gate valve 204 and second
Gate valve 205, three ends of Pneumatic three-way 206 are connect with the second electric gate valve 205, vanning 209 and the slag car 208 respectively, vanning
209 lower end is connect by pipeline with the second lift bucket 212, and the second lift bucket 212 is arranged under the side wall of the second bucket elevator 213
End, the upper end of the second bucket elevator 213 are connect with one end that bed material enters boiler tube road 215, and bed material enters the other end and pot in boiler tube road 215
The top of the side wall of furnace body 101 connects, and bed material enters to be equipped at intervals with two weight flappers 214 on boiler tube road 215；The slag car 208
It is also connect respectively with vanning 209 and air-introduced machine 207 by pipeline, air-introduced machine 207 passes through the side in pipeline and bed material slag library 203
Upper end connection；The one end of Pneumatic three-way 206 connecting with the second electric gate valve 205 also passes through gas pipeline 210 and air accumulator
211 connections, pass through pressure control Pneumatic three-way 206；Gas pipeline 210 is also connect with deduster 218 by tracheae, can be with defeated
Dust in cloth bag, prevents the cloth bag stifled by ash in air purging DMC pulse bag type dust collector in feed channel 210.
Automatic control device 300 includes main operation room 301 and automated control unit 302；Automated control unit 302
By electrical signal line respectively with each bed material bed press collector 106, each first electric gate valve 108, each lag cooler 109,
Conveyer belt 111, the first bucket elevator 202, the second bucket elevator 213, the second electric gate valve 205, Pneumatic three-way 206, air-introduced machine
207, vanning 209, low level-sensing device 216, high charge level meter 217 and vacuum pressure relief valve 219 connect, automated control unit 302
Also it is connect by electrical signal line with main operation room 301.
Biomass boiler bed material slag-draining device described in the present embodiment, the furnace of bed material is handled outside uses automatic control device
300 carry out automatic processing, press height according to bed, boiler automatic alarm, cooling, removes iron and stores to slag library deslagging；In slag library
Bed material according to the bed pressure request in burner hearth, mentioned automatically to the alarm of main operation room 301, automatic starting screening, bucket elevator to burner hearth
For bed material, unqualified bed material enters the outward transport of the slag car 208, does not need to provide bed material in burner hearth, and slag library bed material is stored into a high position, is
It unites and alarms to main operation room 301, and starting bed material transports outward system automatically.
Biomass boiler bed material slag-draining device described in the present embodiment, in use, biomass fuel pass through four
The small burner hearth for slipping square tube and entering boiler body 101, fuel are mixed with the bed material 103 boiled in the burner hearth, and the bed material of high temperature makes
Biomass is burnt rapidly, and release thermal energy generates steam.The incombustible impurity brought into biomass fuel becomes bed material 103
A part, postponement at any time, bed material 103 are continuously increased, and it is 8.5~10kPa, automation control dress that optimised process bed, which presses range,
Set the detailed process of 300 carry out automatic processings are as follows:
(1) when bed material bed pressure collector 106 collects bed material bed pressure higher than 10kPa, automatic control device 300 is received letter
Number, signal is fed back to main operation room 301 and is alarmed, while instructing 108 (the first manual gate valve of the first electric gate valve of deslagging
107 is normally opened), lag cooler 109, conveyer belt 111 and the first bucket elevator 202 start simultaneously.High temperature bed material 103 is from parabolic slag chute 104
Enter deslagging square tube 105 under the effect of gravity, lag cooler is arrived by first manual gate valve 107 and the first electric gate valve 108
109 bed materials 103 that are cooling, being cooled to room temperature enter conveyer belt 111, pass through below permanent magnet 110, will be in bed material 103
Ironware removes, and bed material 103 is transported to the first lift bucket 201 in the first bucket elevator 202 by conveyer belt 111, and the first bucket elevator 202 will
Bed material 103 is transported to bed material slag library 203 and stores for future use, when bed material bed pressure collector 106, which collects bed material bed, is pressed onto 9kPa, from
Dynamicization control device 300, which feeds back signal to main operation room 301, alarms, while the first electric gate valve 108 being instructed to close, cold slag
Machine 109, conveyer belt 111 and the first bucket elevator 202 are out of service.
(2) bed material bed pressure collector 106 collects bed material bed and forces down when 8.5kPa, when fire box temperature is higher than 900 DEG C, from
Dynamicization control device 300 is connected to signal, and signal feedback is alarmed to main operation room 301, while instructing the second electric gate valve 205
(first manual gate valve 107 is normally opened), Pneumatic three-way 206, the slag car 208, vanning 209 and the second bucket elevator 213 start simultaneously.Bed
Bed material in material residue library 203 arrives Pneumatic three-way 206 by the second hand operated gate valve 204 and the second electric gate valve 205, and pneumatic three
Logical 206 receive instruction, and bed material is made to enter vanning 209, sieve qualified bed material (partial size is less than 3mm) and enter the second bucket elevator 213
In the second lift bucket 212, the slag car 208 that unqualified bed material enters outward transport dispatches from the factory, and bed material 103 mentioned bed by the second bucket elevator 213
Expect into boiler tube road 215, bed material 103 enters in boiler tube road 215 in bed material enters boiler body 101 by two weight flappers 214
Burner hearth, weight flapper 214 separates high-temperature flue gas in burner hearth and the second bucket elevator 213, prevents thermal energy excessive.When in burner hearth
Bed material bed pressure collector 106 when collecting bed material bed and being pressed onto 9kPa or fire box temperature to 850 DEG C, automatic control device 300
It is connected to signal, signal is fed back to main operation room 301 and is alarmed, while instructing the second electric gate valve 205, Pneumatic three-way 206, jumping
Sieve 209 and the second bucket elevator 213 are simultaneously stopped operation.
(3) under normal circumstances (8.5~10kPa), the bed material in bed material slag library 203 is ever-increasing, bed material slag library 203
In high charge level meter 217 when collecting high-order limitation H1, automatic control device 300 is connected to signal, by signal feedback to main behaviour
Make the alarm of room 301, while instructing the second electric gate valve 205 (first manual gate valve 107 is normally opened), Pneumatic three-way 206, air inducing
Machine 207 and the slag car 208 start.Bed material in bed material slag library 203 passes through the second hand operated gate valve 204 and the second electric gate valve
205 arrive Pneumatic three-way 206, and Pneumatic three-way 206 receives instruction, and bed material is entered slag under the negative pressure state that air-introduced machine 207 is formed
The dust of deslagging is led back bed material slag library 203 by vehicle 208, air-introduced machine 207, is discharged by deduster 218, and recycling dust prevents air
Pollution.Bed material is discharged in bed material slag library 203, when automatic control device 300 is connected to the signal H2 of low level-sensing device 216, automation
Control device 300, which feeds back signal, alarms to main operation room 301, at the same instruct the second electric gate valve 205, Pneumatic three-way 206,
Air-introduced machine 207 and the slag car 208 are out of service.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (10)
1. a kind of biomass boiler bed material slag-draining device, it is characterised in that: at kettleman's section apparatus (100), boiler bed material
Manage device (200) and automatic control device (300)；Kettleman's section apparatus (100) includes boiler body (101), four
Small to slip square tube (102) and bed material (103), the boiler body is arranged in four described small one end for slipping square tube (102) at equal intervals
(101) on the same level altitude line of the middle and lower part of side wall, the interior bottom of the boiler body (101) is equipped with bed material (103), institute
The lower section positioned at each small burner hearth import side wall for slipping square tube (102) for stating boiler body (101) is equipped with the parabolic slag
The lower end of slot (104), the parabolic slag chute (104) is fixedly connected with one end of deslagging square tube (105)；The deslagging square tube
(105) the other end pass through the boiler body (101) bottom successively with first manual gate valve (107) and the first electric inserting
Plate valve (108) connection, first electric gate valve (108) are connect with lag cooler (109) by pipeline；Each lag cooler
(109) lower section is connected with one end of the conveyer belt (111)；The automatic control device (300) includes main operation room
(301) it is arranged to automated control unit (302), the automated control unit (302) when the boiler body (101)
When interior bed material bed pressure is higher than, is equal to or less than preset value, slag charge inside and outside burner hearth is automatically processed.
2. biomass boiler bed material slag-draining device according to claim 1, it is characterised in that: the parabolic slag chute (104)
Institute for the rectangular truncated cone, at a side of the upper end of the parabolic slag chute (104) and the small feed inlet for slipping square tube (102)
It states the side wall of boiler body (101) simultaneously and is fixedly connected, the width of the side is greater than the small width for slipping square tube (102),
The center line of the side is overlapped with the small center line for slipping square tube (102) mouth, with the symmetrical a side in the side and siege bed
The fixed linking in face (121).
3. biomass boiler bed material slag-draining device according to claim 2, it is characterised in that: the parabolic slag chute (104)
The top of groove body surrounding side wall offer several slag chute cube blast caps (114), the siege bed surface (121) if on be equipped at intervals with
Dry bulb body blast cap (113).
4. biomass boiler bed material slag-draining device according to claim 3, it is characterised in that: the slag chute cube blast cap
(114) one end side wall is equipped with several air holes one (115), and the other end of the slag chute cube blast cap (114) is equipped with cube blast cap
Import (116), the upper end of the parabolic slag chute (104) are slag chute bed material entrance (117), the upper end of the sphere blast cap (113)
Equipped with several air holes two (119), the lower end of the sphere blast cap (113) is equipped with sphere blast cap import (120).
5. biomass boiler bed material slag-draining device according to claim 4, it is characterised in that: the deslagging square tube (105)
Be located at the side wall of the boiler body (101) outside be equipped with the bed material bed pressure collector (106).
6. biomass boiler bed material slag-draining device according to claim 5, it is characterised in that: the boiler bed material processing dress
Setting (200) includes the first lift bucket (201), the first bucket elevator (202), bed material slag library (203), the second hand operated gate valve (204), the
Two electric gate valves (205), Pneumatic three-way (206), air-introduced machine (207), the slag car (208), vanning (209), the second lift bucket
(212), the second bucket elevator (213) and bed material enter boiler tube road (215)；Separate the lag cooler (109) of the conveyer belt (111)
One end connect with first lift bucket (201), first lift bucket (201) is arranged in the side of first bucket elevator (202)
The upper end of the lower end of wall, first bucket elevator (202) is connect by conveyance conduit with the top in bed material slag library (203),
High charge level meter (217), deduster (218) and vacuum pressure relief valve (219) are additionally provided at the top of bed material slag library (203),
The lower part of the side wall in bed material slag library (203) is equipped with low level-sensing device (216)；The bottom in bed material slag library (203) is successively set
There is the second-hand to move gate valve (204) and second electric gate valve (205), three ends point of the Pneumatic three-way (206)
It is not connect with second electric gate valve (205), the vanning (209) and the slag car (208), the vanning (209)
Lower end is connect by pipeline with second lift bucket (212), and second lift bucket (212) is arranged in second bucket elevator
(213) upper end of the lower end of side wall, second bucket elevator (213) is connect with one end that the bed material enters boiler tube road (215),
The other end that the bed material enters boiler tube road (215) is connect with the top of the side wall of the boiler body (101)；The slag car
(208) it is also connect respectively with the vanning (209) and the air-introduced machine (207) by pipeline, the air-introduced machine (207) passes through pipe
Road is connect with the upper end of the side in bed material slag library (203).
7. biomass boiler bed material slag-draining device according to claim 6, it is characterised in that: the Pneumatic three-way (206)
The one end being connect with second electric gate valve (205) also pass through gas pipeline (210) and connect with air accumulator (211), institute
Gas pipeline (210) is stated also to connect by tracheae with the deduster (218).
8. biomass boiler bed material slag-draining device according to claim 6, it is characterised in that: the automated control unit
(302) by electrical signal line respectively with bed material bed pressure collector (106), first electric gate valve (108), described cold
Slag machine (109), the conveyer belt (111), first bucket elevator (202), second bucket elevator (213), second electricity
Dynamic gate valve (205), the Pneumatic three-way (206), the air-introduced machine (207), the vanning (209), the low level-sensing device
(216), the high charge level meter (217) and the vacuum pressure relief valve (219) connection, automated control unit (302) are also logical
Electrical signal line is crossed to connect with the main operation room (301).
9. biomass boiler bed material slag-draining device according to claim 6, it is characterised in that: the bed material enters boiler tube road
(215) two weight flappers (214) are equipped at intervals on.
10. biomass boiler bed material slag-draining device described in -9 any one according to claim 1, it is characterised in that: the fortune
Defeated band (111) is equipped with permanent magnet (110) close to the top of the one end of the lag cooler (109).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910234932.5A CN109827170A (en) | 2019-03-27 | 2019-03-27 | A kind of biomass boiler bed material slag-draining device |
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| CN201910234932.5A CN109827170A (en) | 2019-03-27 | 2019-03-27 | A kind of biomass boiler bed material slag-draining device |
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| CN109827170A true CN109827170A (en) | 2019-05-31 |
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| CN2926826Y (en) * | 2006-05-22 | 2007-07-25 | 上海巴柯科技发展有限公司 | High-temperature panel turnover valve |
| CN103175198A (en) * | 2013-04-08 | 2013-06-26 | 河北省电力勘测设计研究院 | Continuous bed material replenishing device for circulating fluidized bed boiler |
| CN204806377U (en) * | 2015-04-13 | 2015-11-25 | 北京国电富通科技发展有限责任公司 | System is added to bed material |
| CN208362271U (en) * | 2018-05-11 | 2019-01-11 | 邵博 | A kind of effective fluidized bed biomass gasifying furnace |
| CN109268855A (en) * | 2018-08-21 | 2019-01-25 | 嘉兴新嘉爱斯热电有限公司 | The slagging structure of single air compartment differential biomass fuel circulating fluidized bed boiler |
| CN210035477U (en) * | 2019-03-27 | 2020-02-07 | 安徽国祯生态科技有限公司 | Biomass boiler bed material slag discharging device |
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2019
- 2019-03-27 CN CN201910234932.5A patent/CN109827170A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08193712A (en) * | 1995-01-19 | 1996-07-30 | Babcock Hitachi Kk | Incombustible discharge controller |
| CN2926826Y (en) * | 2006-05-22 | 2007-07-25 | 上海巴柯科技发展有限公司 | High-temperature panel turnover valve |
| CN103175198A (en) * | 2013-04-08 | 2013-06-26 | 河北省电力勘测设计研究院 | Continuous bed material replenishing device for circulating fluidized bed boiler |
| CN204806377U (en) * | 2015-04-13 | 2015-11-25 | 北京国电富通科技发展有限责任公司 | System is added to bed material |
| CN208362271U (en) * | 2018-05-11 | 2019-01-11 | 邵博 | A kind of effective fluidized bed biomass gasifying furnace |
| CN109268855A (en) * | 2018-08-21 | 2019-01-25 | 嘉兴新嘉爱斯热电有限公司 | The slagging structure of single air compartment differential biomass fuel circulating fluidized bed boiler |
| CN210035477U (en) * | 2019-03-27 | 2020-02-07 | 安徽国祯生态科技有限公司 | Biomass boiler bed material slag discharging device |
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