CN207350319U - A kind of bagasse boiler intelligently dries low nitrogen burning system - Google Patents

A kind of bagasse boiler intelligently dries low nitrogen burning system Download PDF

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Publication number
CN207350319U
CN207350319U CN201721355857.0U CN201721355857U CN207350319U CN 207350319 U CN207350319 U CN 207350319U CN 201721355857 U CN201721355857 U CN 201721355857U CN 207350319 U CN207350319 U CN 207350319U
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China
Prior art keywords
bagasse
air hose
screen
conveyer
crusher
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CN201721355857.0U
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Inventor
裴志鑫
裴恒信
裴恒勇
侯浩然
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Dongguan Yuewei Environmental Technology Co Ltd
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Dongguan Yuewei Environmental Technology Co Ltd
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Abstract

Bagasse burning preconditioning technique field is the utility model is related to, in particular discloses a kind of bagasse boiler intelligently drying low nitrogen burning system, including screen-dividing machine, crusher, conveyer, low NO and control system;Further include main air hose, the first air hose, the second air hose and the 3rd air hose, the bagasse that the hot wind of main air hose exports the thin bagasse and crusher after screen-dividing machine sub-sieve to the bagasse in screen-dividing machine, through the second air hose through the first air hose, bagasse drying export through the 3rd air hose to conveyer;In use, low NO loads in boiler, by carrying out multisection type drying before burning to bagasse, the water content of bagasse is reduced, reduces the flue gas loss of boiler, improves boiler efficiency;The temperature and oxygen content in burner hearth are reduced using low NO, reduces the concentration of emission of nitrogen oxides.A whole set of combustion system employs the full-automatic control system of DCS, reduces 50% on the manpower of operation.At the same time also reduce manual operation it is improper and caused by loss.

Description

A kind of bagasse boiler intelligently dries low nitrogen burning system
Technical field
Bagasse burning preconditioning technique field is the utility model is related to, in particular disclosing a kind of bagasse boiler, intelligently drying is low Nitrogen combustion system.
Background technology
Material is recycled in order to realize, bagasse will generally carry out burning processing by boiler, in combustion process The heat of generation is used to generate electricity, and the ashes after bagasse burning, which can be directly sprinkled upon in farmland, to be recycled.
Bagasse of the prior art is mostly directly to be sent in bagasse boiler to burn via conveyer, due to bagasse Water content it is higher, the calorific value for generation of directly burning using bagasse as fuel is relatively low, and can also produce substantial amounts of flue gas, causes sugarcane Slag exhaust gas temperature is higher, causes the loss and waste of heat, influences the thermal efficiency of bagasse boiler;In addition, bagasse boiler thermal effect The relatively low increase that can also cause fuel demand of rate, the increase of fuel quantity can cause the increase of nitrogen oxide emission, nitrogen oxidation The increase of thing discharge capacity greatly improves follow-up vent gas treatment cost.
The content of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of this utility model is to provide a kind of bagasse pot Stove intelligently dries low nitrogen burning system, reduces the water content of bagasse, reduces the flue gas loss of boiler, improves boiler efficiency;Utilize Low NO reduces the temperature and oxygen content in burner hearth, reduces the concentration of emission of nitrogen oxides.
To achieve the above object, a kind of bagasse boiler of the utility model intelligently drying low nitrogen burning system, including sub-sieve Machine, crusher, conveyer, low NO and control system, screen-dividing machine be used for by extraneous bagasse be sub-sieved into thin bagasse with it is thick Bagasse, the thick bagasse after screen-dividing machine sub-sieve are broken crusher machine, the thin bagasse after screen-dividing machine sub-sieve, the bagasse after crusher processing Low NO is delivered to via conveyer to burn, screen-dividing machine, crusher, conveyer and low NO respectively with control System processed is electrically connected;Main air hose, the first air hose, the second air hose and the 3rd air hose are further included, main air hose is used for heat air delivery, the One air hose connects main air hose and screen-dividing machine, the hot wind of main air hose and the bagasse in screen-dividing machine is dried via the first air hose;The Two air hoses connect the input terminal of main air hose and conveyer, and the hot wind of main air hose is via the second air hose to the thin sugarcane after screen-dividing machine sub-sieve Slag and the bagasse of crusher output are dried;3rd air hose connects the input terminal of main air hose and low NO, main air hose Hot wind is dried via the bagasse that the 3rd air hose exports conveyer.
Preferably, the combustion system further includes air-introduced machine and strainer, and the exhausting end of air-introduced machine is connected with screen-dividing machine, strainer Cover the air outlet of air-introduced machine.
Preferably, the combustion system further includes the first delivery pipe and the 4th air hose, the first delivery pipe connection screen-dividing machine and The input terminal of conveyer, the thin bagasse after screen-dividing machine sub-sieve are delivered to conveyer, the 4th air hose connection master via the first delivery pipe Air hose and the first delivery pipe, the hot wind of main air hose dry the thin bagasse after screen-dividing machine sub-sieve via the 4th air hose.
Preferably, the combustion system further includes the second delivery pipe, the second delivery pipe connection screen-dividing machine and crusher, sub-sieve Thick bagasse after machine sub-sieve is delivered to crusher via the second delivery pipe, and crusher includes rotating the broken blade set and is used for The first motor for driving broken blade to rotate, broken blade are used to crush thick bagasse, hot wind caused by the broken blade of rotation Bagasse in crusher is dried.
Preferably, the combustion system further includes the 3rd delivery pipe, and crusher is defeated via the 3rd delivery pipe and conveyer Enter end connection, the bagasse of crusher output is delivered to conveyer, the one end of the second air hose away from main air hose via the 3rd delivery pipe The 3rd delivery pipe is connected to close to one end of conveyer.
Preferably, the combustion system further includes the 4th delivery pipe, the output terminal of conveyer via the 4th delivery pipe with it is low The input terminal connection of nitrogen burner, the one end of the 3rd air hose away from main air hose is with the 4th delivery pipe close to one end of low NO Connection.
Preferably, the crusher is located at the lower section of screen-dividing machine, and conveyer is located at the lower section of crusher.
Preferably, the combustion system, which further includes, rotates conveyer belt and sugar cane slag feeder, rotates used for conveyer belt in by the external world Bagasse be delivered to sugar cane slag feeder, sugar cane slag feeder is used to bagasse being delivered to screen-dividing machine, and sugar cane slag feeder is located at screen-dividing machine Top, rotates conveyer belt and is located above sugar cane slag feeder.
Preferably, the combustion system is further included except magnetic substance machine, and except magnetic substance machine is equipped with magnet, magnet, which is used to draw, to be turned The magnetic substance in bagasse that dynamic conveyer belt is conveyed.
Preferably, the combustion system further includes scraper, and scraper includes the second motor, linkage, scraper plate, and second Motor moves back and forth via linkage driving scraper plate, and scraper plate is used to the bagasse for rotating conveyer belt conveying being delivered to bagasse feeding Device.
The beneficial effects of the utility model:In actual use, low NO is encased in boiler, by burning to bagasse Preceding progress multisection type drying, reduces the water content of bagasse, lifts bagasse combustion heat value, reduce the flue gas loss of boiler, improve pot The efficiency of furnace;The temperature and oxygen content in burner hearth are reduced using low NO, suppresses the generation of nitrogen oxides, reduces nitrogen oxides Concentration of emission.A whole set of combustion system employs the full-automatic control system of DCS, reduces 50% on the manpower of operation.Together When also reduce manual operation it is improper and caused by loss.
Brief description of the drawings
Fig. 1 is the structure arrangement figure of the utility model;
Fig. 2 is the schematic diagram of the utility model bagasse conveying direction;
Fig. 3 is the schematic diagram in the utility model hot wind flow direction;
Fig. 4 is the structure diagram of the scraper of the utility model.
Reference numeral includes:
1-screen-dividing machine, 2-crusher, 3-conveyer
4-low NO 5-main air hose 6-the first air hose
7-the second 8-the three 9-air-introduced machine of air hose of air hose
13-the second delivery pipe of the delivery pipe of 11-strainer 12-the first
14-the three the 15-the four delivery pipe of delivery pipe 16-rotation conveyer belt
17-sugar cane slag feeder 18-remove magnetic substance 19-magnet of machine
21-scraper, 22-linkage, 23-scraper plate.
Embodiment
For the ease of the understanding of those skilled in the art, the utility model is made with reference to embodiment and attached drawing further Explanation, the content that embodiment refers to not is restriction to the utility model.
Shown in please referring to Fig.1 to Fig.3, a kind of bagasse boiler of the utility model intelligently dries low nitrogen burning system, including Screen-dividing machine 1, crusher 2, conveyer 3, low NO 4 and control system (not shown), screen-dividing machine 1 are used for the external world Bagasse is sub-sieved into thin bagasse and thick bagasse, and it is broken that the thick bagasse after 1 sub-sieve of screen-dividing machine is conveyed into crusher 2 machine 2 that is broken, point Thin bagasse after 1 sub-sieve of screen(ing) machine, the bagasse after 2 break process of crusher via conveyer 3 be delivered to low NO 4 into Row burning, screen-dividing machine 1, crusher 2, conveyer 3 and low NO 4 are electrically connected with control system respectively, are using control System regulation and control set the actual operation parameters of screen-dividing machine 1, crusher 2, conveyer 3 and low NO 4;Further include main air hose 5, One air hose 6, the second air hose 7 and the 3rd air hose 8, main air hose 5 are used for heat air delivery, and the first air hose 6 connects main air hose 5 and screen-dividing machine 1, the hot wind of main air hose 5 carries out first time drying via the first air hose 6 to the bagasse in screen-dividing machine 1;Second air hose 7 connects main wind The input terminal of pipe 5 and conveyer 3, the hot wind of main air hose 5 to the thin bagasse after 1 sub-sieve of screen-dividing machine and are crushed via the second air hose 7 The bagasse that machine 2 exports, which carries out second, dries;3rd air hose 8 connects the input terminal of main air hose 5 and low NO 4, main air hose 5 The bagasse that is exported to conveyer 3 via the 3rd air hose 8 of hot wind carry out third time drying.
In actual use, low NO 4 is encased in the boiler in the external world, using the hot wind of main air hose 5 conveying to sugarcane Multisection type drying (at least drying and processing three times) is carried out before slag burning so that the water content of bagasse reduces by 5%~10%, lifts sugarcane The combustion heat value of slag, burns compared to the bagasse higher to water content, and the power consumption of air blower, subtracts when reducing boiler combustion The flue gas loss of few boiler, improves the efficiency of combustion of boiler;The temperature and oxygen content in burner hearth are reduced using low NO 4, Suppress the generation of nitrogen oxides, the concentration of emission of nitrogen oxides is reduced, compared to bagasse without low NO 4 and directly in pot Burning in stove so that the air draft concentration of nitrogen oxides at least reduces by 50%;In the present embodiment, the tail gas after boiler combustion is through processing Connected afterwards with main air hose 5, realize and boiler exhaust gas heat is recycled;Compared to bagasse of the prior art burning processing side Formula, intelligently drying low nitrogen burning system entirety energy consumption at least reduces by 30% to the bagasse boiler of the utility model.A whole set of combustion system The full-automatic control system of DCS is employed, reduces 50% on the manpower of operation.At the same time also reduce manual operation it is improper and Caused by loss.
The combustion system further includes air-introduced machine 9 and strainer 11, and the exhausting end of air-introduced machine 9 is connected with screen-dividing machine 1, air-introduced machine 9 are pumped into the hot wind in main air hose 5 in screen-dividing machine 1, it is ensured that the hot blast rate in screen-dividing machine 1, is realized to the bagasse in screen-dividing machine 1 Fully drying;Strainer 11 covers the air outlet of air-introduced machine 9, during the use of screen-dividing machine 1, is produced after hot-air seasoning bagasse Damp-heat air is discharged via the air outlet of air-introduced machine 9, is considered using strainer 11 except the dust or particle debris in damp-heat air;This reality Apply in example, strainer 11 is high temperature resistant nylon strainer.
The combustion system further includes the first delivery pipe 12 and the 4th air hose (not shown), and the first delivery pipe 12 connects The input terminal of screen-dividing machine 1 and conveyer 3, the thin bagasse after 1 sub-sieve of screen-dividing machine are delivered to conveyer 3 via the first delivery pipe 12, Thin bagasse is delivered in low NO 4 by conveyer 3 again to burn, and the 4th air hose connects main 5 and first delivery pipe of air hose 12, the hot wind of main air hose 5 carries out again the thin bagasse after 1 sub-sieve of screen-dividing machine and in the first delivery pipe 12 of entrance via the 4th air hose The water content of secondary drying, the further thin bagasse of auxiliary reduction.According to actual needs, the quantity of the 4th air hose can be it is multiple, it is more A 4th air hose is arranged along the length direction of the first delivery pipe 12, lifts the drying effect of thin bagasse.
The combustion system further includes the second delivery pipe 13, the second delivery pipe 13 connection screen-dividing machine 1 and crusher 2, sub-sieve Thick bagasse after 1 sub-sieve of machine is delivered to crusher 2 via the second delivery pipe 13, and crusher 2 includes rotating the broken blade set And the first motor for driving broken blade to rotate, broken blade are used to crush the thick bagasse after 1 sub-sieve of screen-dividing machine, turn at a high speed Hot wind dries the bagasse in crusher 2 again caused by dynamic broken blade, the bagasse in service hoisting crusher 2 Drying effect.
The combustion system further includes the 3rd delivery pipe 14, and crusher 2 is via the 3rd delivery pipe 14 and the input of conveyer 3 End connection, the bagasse that crusher 2 exports are delivered in conveyer 3 via the 3rd delivery pipe 14, and conveyer 3 is defeated by crusher 2 again The bagasse gone out is delivered to low NO 4 and burns, and the one end of the second air hose 7 away from main air hose 5 is connected to the 3rd delivery pipe 14 close to one end of conveyer 3.Carried out in thick bagasse input crusher 2 after 1 sub-sieve of screen-dividing machine after crushing, crusher 2 Bagasse after will be broken is delivered in conveyer 3 via the second air hose 7, and the hot wind in main air hose 5 is right via the second air hose 7 at this time The bagasse that crusher 2 exports is dried.
The combustion system further includes the 4th delivery pipe 15, and the output terminal of conveyer 3 is via the 4th delivery pipe 15 and low nitrogen The input terminal connection of burner 4, the one end of the 3rd air hose 8 away from main air hose 5 is with the 4th delivery pipe 15 close to low NO 4 One end connects, and the bagasse treated using the hot wind in main air hose 5 into low NO 4 is dried again, further auxiliary Reduce the water content of bagasse.
The crusher 2 is located at the lower section of screen-dividing machine 1, and conveyer 3 is located at the lower section of crusher 2, in actual use, sub-sieve Thick bagasse after 1 sub-sieve of machine enters in crusher 2 under the booster action of gravity, and the thin bagasse after 1 sub-sieve of screen-dividing machine is in gravity Booster action under enter in conveyer 3, the bagasse that crusher 2 exports enters in conveyer 3 under the booster action of gravity, the One delivery pipe 12, the second delivery pipe 13 and the 3rd delivery pipe 14 are substantially set along the vertical direction so that bagasse is in each conveying Conveying in pipe is more smooth, and the delivery pipe set compared to bending, solves what bagasse was blocked in each delivery pipe corner Problem.
The combustion system, which further includes, rotates conveyer belt 16 and sugar cane slag feeder 17, rotates conveyer belt 16 and is used for the external world Bagasse is delivered to sugar cane slag feeder 17, and sugar cane slag feeder 17 is used to bagasse being delivered to screen-dividing machine 1, in actual use, extraneous Bagasse, which is poured over, to be rotated on conveyer belt 16, rotates conveyer belt 16 and bagasse is delivered in sugar cane slag feeder 17 again, sugar cane slag feeder 17 are again delivered to bagasse in screen-dividing machine 1, it is preferable that sugar cane slag feeder 17 is air-locked type feeder, prevents the heat in screen-dividing machine 1 Wind because removed via sugar cane slag feeder 17 and caused by thermal loss, lift the utilization rate of the hot wind in main air hose 5;Sugar cane slag feeder 17 positioned at the top of screen-dividing machine 1 so that and the bagasse that sugar cane slag feeder 17 exports enters in screen-dividing machine 1 under the booster action of gravity, Rotate conveyer belt 16 and be located at the top of sugar cane slag feeder 17 so that rotate the bagasse of the conveying of conveyer belt 16 under the booster action of gravity Into in sugar cane slag feeder 17, the transfer efficiency of bagasse is lifted.
The combustion system is further included except magnetic substance machine 18, and except magnetic substance machine 18 is equipped with magnet 19, magnet 19 is used to draw Rotate the magnetic substance being mixed with the bagasse that conveyer belt 16 is conveyed, it is preferable that magnet 19 is strong magnets, and strong magnets are neodymium Iron boron magnets.In actual use, the magnetic substance (such as ironware, cobalt part, nickel part) being mixed with bagasse is siphoned away using magnet 19, is prevented Magnetic substance enters in follow-up sugar cane slag feeder 17, screen-dividing machine 1 is interior, crusher 2 is interior or conveyer 3 is interior and causes to be damaged to.
Shown in please referring to Fig.1 to Fig.4, the combustion system further includes scraper 21, and scraper 21 includes the second motor, connects Linkage 22, scraper plate 23, the second motor drive scraper plate 23 to move back and forth via linkage 22, and scraper plate 23, which is used to rotate, to be conveyed Bagasse with 16 conveyings is delivered to sugar cane slag feeder 17.In actual use, the feed efficiency of bagasse is lifted using scraper 21, into And aid in reducing the energy consumption of combustion system, lift the efficiency of combustion of boiler.
Above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality With new thought, there will be changes, this specification content should not be construed as in specific embodiments and applications Limitation to the utility model.

Claims (10)

1. a kind of intelligent drying low nitrogen burning system of bagasse boiler, including screen-dividing machine, crusher, conveyer, low NO and Control system, screen-dividing machine are used to extraneous bagasse being sub-sieved into thin bagasse and thick bagasse, and the thick bagasse after screen-dividing machine sub-sieve is broken Broken crusher machine, the bagasse after thin bagasse, crusher processing after screen-dividing machine sub-sieve are delivered to low NO via conveyer Burn, screen-dividing machine, crusher, conveyer and low NO are electrically connected with control system respectively;It is characterized in that:Also Including main air hose, the first air hose, the second air hose and the 3rd air hose, main air hose is used for heat air delivery, and the first air hose connects main air hose And screen-dividing machine, the hot wind of main air hose dry the bagasse in screen-dividing machine via the first air hose;Second air hose connects main air hose And the input terminal of conveyer, the hot wind of main air hose export the thin bagasse and crusher after screen-dividing machine sub-sieve via the second air hose Bagasse is dried;3rd air hose connects the input terminal of main air hose and low NO, and the hot wind of main air hose is via the 3rd air hose The bagasse of conveyer output is dried.
2. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system Air-introduced machine and strainer are further included, the exhausting end of air-introduced machine is connected with screen-dividing machine, and strainer covers the air outlet of air-introduced machine.
3. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system Further include the first delivery pipe and the 4th air hose, the input terminal of the first delivery pipe connection screen-dividing machine and conveyer, after screen-dividing machine sub-sieve Thin bagasse be delivered to conveyer via the first delivery pipe, the 4th air hose connects main air hose and the first delivery pipe, the heat of main air hose Wind dries the thin bagasse after screen-dividing machine sub-sieve via the 4th air hose.
4. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system Further include the second delivery pipe, the second delivery pipe connection screen-dividing machine and crusher, the thick bagasse after screen-dividing machine sub-sieve is defeated via second Pipe is sent to be delivered to crusher, crusher includes rotating the broken blade set and the first electricity for driving broken blade to rotate Machine, broken blade are used to crush thick bagasse, and hot wind dries the bagasse in crusher caused by the broken blade of rotation.
5. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system The 3rd delivery pipe is further included, crusher is connected via the 3rd delivery pipe with the input terminal of conveyer, the bagasse warp of crusher output Conveyer is delivered to by the 3rd delivery pipe, the one end of the second air hose away from main air hose is connected to the 3rd delivery pipe close to conveyer One end.
6. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system The 4th delivery pipe is further included, the output terminal of conveyer is connected via the 4th delivery pipe with the input terminal of low NO, the 3rd wind The one end of pipe away from main air hose is connected with the 4th delivery pipe close to one end of low NO.
7. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The broken seat in the plane In the lower section of screen-dividing machine, conveyer is located at the lower section of crusher.
8. bagasse boiler according to claim 1 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system Further include and rotate conveyer belt and sugar cane slag feeder, rotate used for conveyer belt in extraneous bagasse is delivered to sugar cane slag feeder, bagasse Feeder is used to bagasse being delivered to screen-dividing machine, and sugar cane slag feeder is located above screen-dividing machine, rotates conveyer belt and is located at bagasse feeding Above device.
9. bagasse boiler according to claim 8 intelligently dries low nitrogen burning system, it is characterised in that:The combustion system Further include and remove magnetic substance machine, except magnetic substance machine is equipped with magnet, magnet is used to draw the magnetic rotated in the bagasse that conveyer belt is conveyed Property body.
10. bagasse boiler according to claim 9 intelligently dries low nitrogen burning system, it is characterised in that:The burning system System further includes scraper, and scraper includes the second motor, linkage, scraper plate, and the second motor drives scraper plate via linkage Move back and forth, scraper plate is used to the bagasse for rotating conveyer belt conveying being delivered to sugar cane slag feeder.
CN201721355857.0U 2017-10-19 2017-10-19 A kind of bagasse boiler intelligently dries low nitrogen burning system Active CN207350319U (en)

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Application Number Priority Date Filing Date Title
CN201721355857.0U CN207350319U (en) 2017-10-19 2017-10-19 A kind of bagasse boiler intelligently dries low nitrogen burning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721355857.0U CN207350319U (en) 2017-10-19 2017-10-19 A kind of bagasse boiler intelligently dries low nitrogen burning system

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