CN201251178Y - Coal-fired floating furnace - Google Patents

Coal-fired floating furnace Download PDF

Info

Publication number
CN201251178Y
CN201251178Y CNU2008201098488U CN200820109848U CN201251178Y CN 201251178 Y CN201251178 Y CN 201251178Y CN U2008201098488 U CNU2008201098488 U CN U2008201098488U CN 200820109848 U CN200820109848 U CN 200820109848U CN 201251178 Y CN201251178 Y CN 201251178Y
Authority
CN
China
Prior art keywords
furnace
air
pipe
bellows
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201098488U
Other languages
Chinese (zh)
Inventor
王全祥
王�华
崔福平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningxia Baota Petrochemical Group Co., Ltd.
Original Assignee
王全祥
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 王全祥 filed Critical 王全祥
Priority to CNU2008201098488U priority Critical patent/CN201251178Y/en
Application granted granted Critical
Publication of CN201251178Y publication Critical patent/CN201251178Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model provides a coal-fired floating furnace which belongs to the technical field of metallurgical equipment. A main hearth and an auxiliary hearth of the floating furnace are separated from each other by a partition wall, and an arc air box is positioned at the tops of the main hearth and the auxiliary hearth. The furnace wall of the main hearth is provided with a telescopic material spraying pipe and a water vapor spraying pipe. An air outlet is connected with the auxiliary hearth. Nozzle buttons of a first air supply system and a second air supply system are respectively positioned at the bottom of the main hearth and the auxiliary hearth, and the bottoms of the nozzle buttons are connected with sullage pipes. A third air supply pipe is arranged at the connecting position of the air outlet and the arc air box, and comprises an air distribution blower and the air box, and a snakelike preheating air pipe is arranged inside the air box. The floating furnace adopts a double-hearth multi-air channel multiple air distribution structure, a main combustion chamber mainly takes a fluidized bed to boil and burn, an auxiliary combustion chamber takes suspension burning as a main part, the adaptability to coal is good, the energy consumption is low, the thermal efficiency is high, and the utility model can provide a thermal source for various furnaces such as rotary burners to calcine materials, particularly provide a thermal source for a calcining furnace with high temperature materials having a temperature ranging from 1000 DEG C to 1300 DEG C.

Description

A kind of fire coal is risen floating stove
Technical field
The utility model relates to a kind of fire coal and rises floating stove, belongs to technical field of metallurgical equipment.
Background technology
Existing coal furnace has grate furnace, as chain furnace, fire grate stove, reverberatory furnace etc., the burner of also having family, several as coal-powder boiler, gas burner, oil burner, fluid bed fluidized bed furnace etc., in the above-mentioned coal furnace, what have has relatively high expectations to coal quantity, and what have is higher to coal-fired granularity requirements, the ignition temperature that has does not reach requirement, does not satisfy arts demand.
Summary of the invention
The purpose of this utility model is to propose a kind of fire coal to rise floating stove, structure to existing coal furnace is improved, and makes coal furnace good to the adaptability of coal variety, and the energy consumption in the production process reduces, the thermal efficiency improves, for kiln calcining materials such as all kinds of rotary kilns provide thermal source.
The fire coal that the utility model proposes is risen floating stove, comprising: main furnace chamber, secondary-furnace, air outlet, scalable stuff-spraying pipe, water vapour jet pipe, first supply air system, second supply air system, the 3rd supply air system and arc bellows; Described arc bellows are positioned at the top of main furnace chamber and secondary-furnace; Be spaced from each other by partition wall between described main furnace chamber and the secondary-furnace, the furnace wall of main furnace chamber is provided with scalable stuff-spraying pipe and water vapour jet pipe; Described air outlet links to each other with secondary-furnace, is provided with the wind chamber between the inner and outer wall of air outlet, and wind is provided with dividing plate in the chamber, and dividing plate is divided into a plurality of passages with the wind chamber, and inwall is provided with a plurality of wind-distributing pipes, and each wind-distributing pipe is connected with corresponding passage in the wind chamber; Described first supply air system and second supply air system comprise blower fan, isobaric bellows, blast cap and scum pipe respectively, described blower fan links to each other with isobaric bellows, isobaric bellows link to each other with blast cap, and blast cap places the bottom of main furnace chamber and secondary-furnace respectively, and the blast cap bottom links to each other with scum pipe; Described the 3rd supply air system places the junction of air outlet and arc bellows, the 3rd supply air system comprises air distribution blower fan and bellows, be provided with snakelike pre-warm-air pipe in the arc bellows, the import of snakelike pre-warm-air pipe links to each other with blower fan by the air distribution bellows, and the outlet of snakelike pre-warm-air pipe links to each other with the wind chamber of air outlet by the air channel.
The utility model provides, and to rise floating stove be at coal-fired fluidized bed fluidized bed furnace and coal-powder boiler, optimize integrated coal furnace on the type of furnace bases such as gas burner, adopt repeatedly wind air distribution structure of twin furnace multiple duct, realized that main chamber is based on the fluid bed Boiling Combustion, subsidiary combustion chamber is based on suspension combustion, main siege is provided with the steam sprayer unit again, make the major-minor burner hearth produce the feature of water-gas burning simultaneously, it is multi-functional that this fire coal is risen floating stove, adaptability to coal is good, energy consumption is low, thermal efficiency height, can be kiln calcining materials such as all kinds of rotary kilns thermal source is provided, the calcining furnace thermal source of high-temperature material in 1000-1300 ℃ especially can be provided.
Description of drawings:
Fig. 1 is that the fire coal that the utility model proposes is risen the structural representation that floats stove.
Fig. 2 is H-H cutaway view of Fig. 1.
Among Fig. 1 and Fig. 2, the 1st, rise the main furnace chamber that floats stove, the 2nd, the partition wall between main furnace chamber and the secondary-furnace, the 3rd, scalable stuff-spraying pipe, the 4th, coal supply mouth, the 5th, feed bin, the 6th, the water vapour jet pipe, 7 is first blower fans, the 8th, isobaric bellows, the 9th, scum pipe, the 10th, blast cap, the 11st, isobaric bellows, the 12nd, scum pipe, the 13rd, blast cap, 14 is second blower fans, the 15th, air outlet, 16 is the 3rd blower fans, the 17th, and air distribution bellows, the 18th, arc bellows, the 19th, rise the secondary-furnace that floats stove, the 20th, air outlet outer wall, the 21st, wind chamber, the 22nd, dividing plate, the 23rd, inwall, the 24th, the wind-distributing pipe in the inwall.
The specific embodiment
The fire coal that the utility model proposes is risen floating stove, its structure comprises as shown in Figure 1: main furnace chamber 1, secondary-furnace 19, air outlet 15, scalable stuff-spraying pipe 3, water vapour jet pipe 6, first supply air system, second supply air system, the 3rd supply air system and arc bellows 18.Arc bellows 18 are positioned at the top of main furnace chamber 1 and secondary-furnace 19.Be spaced from each other by partition wall 2 between main furnace chamber 1 and the secondary-furnace 19, the furnace wall of main furnace chamber 1 is provided with scalable stuff-spraying pipe 3 and water vapour jet pipe 6, water vapour jet pipe 6 is used for extraneous steam conveying is sprayed at main furnace chamber, at high temperature produces hydrogen and carbon monoxide, increases combustion power, cuts down the consumption of energy.Air outlet 15 links to each other with secondary-furnace 19.The sectional view of air outlet as shown in Figure 2, be provided with wind chamber 21 between its inwall 23 and the outer wall 20, be provided with dividing plate 22 in the wind chamber 21, dividing plate 22 is divided into a plurality of passages with wind chamber 21, inwall 23 is provided with a plurality of wind-distributing pipes 24, and each wind-distributing pipe is connected with corresponding passage in the wind chamber.First supply air system and second supply air system comprise blower fan 7, isobaric bellows 8, blast cap 10 and scum pipe 9 respectively, and blast cap 10 and scum pipe 9 are used to burner hearth that oxygen and deslagging are provided.Blower fan 7 links to each other with isobaric bellows 8, and isobaric bellows 8 link to each other with blast cap 10, and blast cap 10 and 13 places the bottom of main furnace chamber 1 and secondary-furnace 19 respectively, and blast cap 10 links to each other with 12 with scum pipe 9 with 13 bottoms.The 3rd supply air system places the junction of air outlet 15 and arc bellows 18, the 3rd supply air system comprises blower fan 16 and bellows 17, be provided with snakelike pre-warm-air pipe (snakelike pre-warm-air pipe is not shown) in the arc bellows 18, the import of snakelike pre-warm-air pipe links to each other with blower fan 17 by bellows, and the outlet of snakelike pre-warm-air pipe links to each other with the wind chamber 21 of air outlet 15 by the air distribution bellows.
Introduce the course of work of rising floating stove that this practicality proposes in detail in detail below in conjunction with accompanying drawing:
The fire coal that the utility model proposes is risen floating stove, be on coal-fired fluidized bed fluidized bed furnace and type of furnace bases such as coal-powder boiler, gas burner, to optimize integrated coal furnace, adopt repeatedly wind air distribution structure of twin furnace multiple duct, realized that main chamber is based on the fluid bed Boiling Combustion, subsidiary combustion chamber is based on suspension combustion, main siege is provided with the steam sprayer unit again, makes the major-minor burner hearth produce the feature of water-gas burning simultaneously.When material particles less than 13mm, from feed bin 5 after scalable spray material port 3 enters main furnace chamber 1, the blower fan 7 of first supply air system enters main furnace chamber 1 with wind by the blast cap aperture 10 of isobaric bellows 8, the fuel that is entered by coal supply mouth 4 directly mixes with red-hot furnace charge, and be heated rapidly and catch fire, violently under a wind action seethe burning up and down, burning at high temperature, broken in the burning, burn in the fragmentation, fine grained fuel is taken out of main furnace chamber gradually by air-flow, at main furnace chamber top and secondary-furnace 19 suspension combustions.The lime-ash that burning forms, coarse granule is wherein discharged out of the furnace by the scum pipe on blast cap 10 and 13.The blower fan 14 of second supply air system tangentially sprays into secondary-furnace 19 from the bottom of secondary-furnace 19 by the blast cap aperture 13 of isobaric bellows 10 with hot-air with secondary wind, quickens the burning of coal dust.The blower fan 16 of the 3rd supply air system is sent into tertiary air in the snakelike pre-warm-air pipe of roof of the furnace camber bellows 18, air after the preheating enters in the wind chamber 21 of air outlet through the air channel, because the effect of dividing plate 22, hot-air is managed 24 edge circle butts in spraying into stove along the cloth phoenix on corresponding air outlet 15 inwalls, quicken the abundant burning of coal dust and transfer concentrated flame to by diffusion flame, formed a kind of long stronger flame structure, made ignition temperature reach 1000-1300 ℃.
When chamber temperature reaches the calcining materials temperature, material bin 5 sprayed into main furnace chamber less than the 3mm material dosing, carry out roasting, material moment finishes roasting and flows out with high-temperature hot-air, in case of greater than the roasting of 3mm material, can be with the cancellation of this system, both can be calciner such as rotary kiln thermal source was provided.

Claims (1)

1, a kind of fire coal is risen floating stove, it is characterized in that comprising: main furnace chamber, secondary-furnace, air outlet, scalable stuff-spraying pipe, water vapour jet pipe, first supply air system, second supply air system, the 3rd supply air system and arc bellows; Described arc bellows are positioned at the top of main furnace chamber and secondary-furnace; Be spaced from each other by partition wall between described main furnace chamber and the secondary-furnace, the furnace wall of main furnace chamber is provided with scalable stuff-spraying pipe and water vapour jet pipe; Described air outlet links to each other with secondary-furnace, is provided with the wind chamber between the inner and outer wall of air outlet, and wind is provided with dividing plate in the chamber, and dividing plate is divided into a plurality of passages with the wind chamber, and inwall is provided with a plurality of wind-distributing pipes, and each wind-distributing pipe is connected with corresponding passage in the wind chamber; Described first supply air system and second supply air system comprise blower fan, isobaric bellows, blast cap and scum pipe respectively, described blower fan links to each other with isobaric bellows, isobaric bellows link to each other with blast cap, and blast cap places the bottom of main furnace chamber and secondary-furnace respectively, and the blast cap bottom links to each other with scum pipe; Described the 3rd supply air system places the junction of air outlet and arc bellows, the 3rd supply air system comprises air distribution blower fan and bellows, be provided with snakelike pre-warm-air pipe in the arc bellows, the import of snakelike pre-warm-air pipe links to each other with blower fan by the air distribution bellows, and the outlet of snakelike pre-warm-air pipe links to each other with the wind chamber of air outlet by the air channel.
CNU2008201098488U 2008-08-20 2008-08-20 Coal-fired floating furnace Expired - Fee Related CN201251178Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201098488U CN201251178Y (en) 2008-08-20 2008-08-20 Coal-fired floating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201098488U CN201251178Y (en) 2008-08-20 2008-08-20 Coal-fired floating furnace

Publications (1)

Publication Number Publication Date
CN201251178Y true CN201251178Y (en) 2009-06-03

Family

ID=40746853

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201098488U Expired - Fee Related CN201251178Y (en) 2008-08-20 2008-08-20 Coal-fired floating furnace

Country Status (1)

Country Link
CN (1) CN201251178Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102336439A (en) * 2011-08-30 2012-02-01 宜春市金洋稀有金属有限公司 Production method and device for tantalum niobium oxides
CN103090372A (en) * 2011-10-28 2013-05-08 张璟 Special boiling burner for forging

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102336439A (en) * 2011-08-30 2012-02-01 宜春市金洋稀有金属有限公司 Production method and device for tantalum niobium oxides
CN103090372A (en) * 2011-10-28 2013-05-08 张璟 Special boiling burner for forging

Similar Documents

Publication Publication Date Title
CN101504144B (en) Three-phase multi-functional mixed combustion furnace
CN201903058U (en) Novel fuel-gas burner with circular flame and low NOx
CN102252317A (en) Gasification combustor for biomass granules
CN202382230U (en) Fluid bed furnace
CN202501472U (en) Flat flame gas burner with low NOx emission
CN201245560Y (en) Cocurrent heat storing type dual-chamber limekiln capable of realizing two-stage calcination
CN2864378Y (en) Multistage multi-room gas boiler for coal gasification
CN201251178Y (en) Coal-fired floating furnace
CN202048565U (en) Biomass particle gasifying combustor
CN100498069C (en) Circulating fluid bed boiler for mixing, burning and blowing air
CN203999383U (en) Low-temperature decomposition and high temperature sintering all-in-one oven
CN100591993C (en) Coal gasified supercharging reverse-combustion flaming type coal combusting device
CN101297156A (en) Burner arrangement for a combustion chamber, associated combustion chamber and method for combusting fuel
CN202303348U (en) Vertical powder burning industrial boiler with top combustor spraying downwards
CN201885386U (en) Energy-saving air stove with rhombus-shaped pipe
CN1316222C (en) Hot-air furnace
CN206338790U (en) A kind of biomass briquette burning furnace
CN201129718Y (en) Fire coal type chain-grate stoker normal pressure combustion fire spraying boiler
CN107620959A (en) Heavy duty detergent gas burner
CN102889585A (en) Environment-friendly energy-saving vertical boiling boiler
CN105757976A (en) Pulverized coal hot blast stove for drying grain
CN106152097B (en) A kind of directly-heated catamaran type coal dust gasification industrial steam boiler
CN202546737U (en) Overhead type heat storage combustion system
CN2540597Y (en) Water coal fluidizing hot-blast stove
CN206593298U (en) A kind of regenerative furnace

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: WANG QUANXIANG

Owner name: NINGXIA BAOTA PETROCHEMICAL GROUP CO., LTD.

Free format text: FORMER OWNER: WANG QUANXIANG

Effective date: 20110901

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 102209 CHANGPING, BEIJING TO: 750002 YINCHUAN, NINGXIA HUI AUTONOMOUS REGION

TR01 Transfer of patent right

Effective date of registration: 20110901

Address after: 750002 the Ningxia Hui Autonomous Region Jinfeng District of Yinchuan city Ning Street No. 88

Co-patentee after: Wang Quanxiang

Patentee after: Ningxia Baota Petrochemical Group Co., Ltd.

Address before: 102209 Beijing city Changping District town Beiqijia Hongfu District Court No. 36 Building 2 unit 501

Patentee before: Wang Quanxiang

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090603

Termination date: 20100820