CN2544189Y - Power adjustable radiation pipe heat storage type burner - Google Patents
Power adjustable radiation pipe heat storage type burner Download PDFInfo
- Publication number
- CN2544189Y CN2544189Y CN 02232865 CN02232865U CN2544189Y CN 2544189 Y CN2544189 Y CN 2544189Y CN 02232865 CN02232865 CN 02232865 CN 02232865 U CN02232865 U CN 02232865U CN 2544189 Y CN2544189 Y CN 2544189Y
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- radiant tube
- assembly
- burner
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- valve
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Abstract
The utility model pertains to the field of a heat supply combustion device for cold rolling continuous annealing unit, relating to a radiation-tube heat-storage combustion device, the power of which is adjustable. Two burner components are arranged at the two ends of a radiation tube component; the burner component is connected with a commutation-valve component of synchronization three-way reciprocating type and super-short journey. The utility model has the advantages of high heat efficiency, energy saving, consumption reduction, stable operation, good sealing effect, fast commutation speed, long service life and being convenient for installation and maintenance.
Description
Technical field
The utility model belongs to the heat supply burner field that the cold rolled continuous annealing unit uses, and relates to a kind of power mediation type radiant tube heat accumulating burner capable.
Background technology
Be oxidation and the decarburization of effectively avoiding the heating object surface, this just requires heat supply burner product to separate fully with heating object, at present radiant tube heating flame devices that adopt more, but the heating of traditional radiant tube is under the situation of frequent switch, radiation pipe burner tip easily produces tempering or serious carbon distribution, and flame holding is poor, and the thermal efficiency is low, influence the uniformity of radiant tube surface temperature, and radiant tube surface temperature uniformity is to weigh an important indicator in radiant tube life-span.Because existing radiant tube heating flame device does not have the flame control device, the high temperature centrostigma often occurs, will inevitably reduce radiant tube service life.Heat accumulating burner capable generally adopts rotary type two position four-way valves at present, and the section of valve body is bigger, and the machining accuracy height easily causes internal leakage simultaneously.And the burner that existing radiant tube heating flame device needs is many, and the corresponding pipeline design is complicated, and the non-combustion parts of burner is arranged in the stove, is not easy to install and maintenance.
Summary of the invention
The purpose of this utility model is to provide a kind of thermal efficiency height, and is energy-saving and cost-reducing, operates steadily the power mediation type radiant tube heat accumulating burner capable of economy and durability.
The technical solution adopted in the utility model: a kind of power mediation type radiant tube heat accumulating burner capable, comprise reversing valve assembly, burner assembly, radiant tube assembly, furnace wall, it is characterized in that radiant tube assembly two ends are provided with burner assembly, burner assembly connects with the reciprocating type oversquare reversing valve assembly of threeway synchronously.Synchronously the valve body of the reciprocating type oversquare reversing valve assembly of threeway is a three-port structure, and at least two cover triple-valve bodies connects by coaxial valve rod, two cover valve bodies respectively with advance storage heater interface, air duct interface, the interface of discharging fume communicates, be symmetrical arranged along the exhaust opening center line.Be provided with flame control apparatus in the radiant tube of radiant tube assembly, radiant tube can be " U ", " W " type shape.The heat storage of burner assembly and furnace wall are separate type.
The utility model directly applies to radiant tube heat accumulating type heat supply burner with regenerative combustion technology, compared with prior art has following effect of actively having a mind to:
1, adopt the control of drum-odd test, combustion air is blasted by combustion fan, and the ratio of fuel and combustion air is regulated and can directly be carried out, and accurately controls air-fuel ratio, and the saving of fuel rate improves more than 25%;
2, design the flame temperature adjusting device, on the basis of improving the heat transfer thermal efficiency, improved the temperature distribution evenness of radiant tube to greatest extent, disperseed thermic load, eliminated the high temperature centrostigma, guaranteed radiant tube service life;
3, adopt U type, W type list radiant tube thermic load height, the burner that needs is few, the corresponding pipeline simplicity of design;
4, radiation pipe burner tip has good flame holding, in the burning adjustment process, and also can smooth combustion under less air consumption coefficient situation, can not produce heat spot, peak temperature is low, and the tube-surface temperature is no abnormal, under the situation of frequent switch, be difficult for producing tempering or serious carbon distribution;
5, the auxiliary device of combustion furnace is few, and maintenance capacity significantly reduces, and the non-combustion parts of burner is arranged on outside the stove, is convenient to install and maintenance;
6, adopt the reciprocating type oversquare reversal valve of synchronous threeway, stroke is short, and commutating speed is fast, long service life, commutating frequency height, good seal performance;
7, burner adopts heat-storing sphere as heat storage medium, also adapts to honeycomb brick or block heat storage medium simultaneously, the heat storage convenient disassembly, and maintenance replacing speed is fast, and operating cost is low, and heat storage is reusable through screening after qualified;
8, reduce the discharge capacity of NOx, low noise;
9, the utility model thermal efficiency height, the heat energy utilization rate can reach 90%, and is energy-saving and cost-reducing, operates steadily economy and durability.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the reciprocating type oversquare reversal valve of a synchronous threeway of the present utility model structural representation;
Fig. 3 is the utility model burning, accumulation of heat fundamental diagram.
The specific embodiment
Consult shown in Figure 1ly, power mediation type radiant tube heat accumulating burner capable mainly comprises reversing valve assembly 10, burner assembly 20, radiant tube assembly 30, furnace wall 40, furnace wall fixture 50 5 parts.Be provided with burner assembly 20 at the two ends of radiant tube assembly 30, burner assembly 20 is flange coupling with radiant tube assembly 30, the general furnace wall fixture 50 of the arc end of radiant tube assembly 30 connects firmly with furnace wall, the air intake of burner assembly 20 and reversing valve assembly 10 connect, the air intake of burner assembly 20 is also born the task of smoke evacuation outlet simultaneously, adopt the pulsed combustion control technology, one end burning, one end accumulation of heat, regularly switch, air intake and these two passages of smoke evacuation outlet are bound up with the synchronous reciprocating type oversquare reversing valve assembly 10 of threeway, finish the control of combustion air and flue gas flow direction by the reciprocating action of reversal valve, this mode fuel range is wide, and the radiant tube surface temperature is even, the thermal efficiency can reach 90%, has good application prospects.
Consult shown in Figure 2, its reversing valve assembly 10 adopts the reciprocating type oversquare reversal valve of synchronous threeways, mainly by coaxial valve rod 101, taper valve core 102, sealing valve plate 103, seal 104, bearing 105, air duct interface 106, valve body 107, smoke evacuation interface 108, advance that storage heater interface 109, flange and securing member 110, exhaust opening 111, fume extractor 112 etc. constitute.Its valve body 107 is a three-port structure, respectively with advance storage heater interface 109 and flange and securing member 110, air duct interface 106, smoke evacuation interface 108 communicates, be symmetrical arranged along exhaust opening 111 center lines, promptly adopt the two cover three-port structures of connecting simultaneously, realize the synchronous fully of two cover three-way diverter valves by coaxial valve rod 101.Valve body 107 is provided with the sealing valve plate 103 of two symmetries, fix the taper valve core 102 of two symmetric arrangement on the coaxial valve rod 101 between the two sealing valve plates 103, two taper valve cores 102 are at a distance of certain distance, for cooperating with taper valve core 102, sealing valve plate 103 is provided with the back taper sealing surface equally, is the metal hard-sealing of tapered slope between taper valve core 102 and the sealing valve plate 103; Seal the seal 104 that valve plate 103 also is provided with the plane simultaneously, adopt between the facial planes position, limit of taper valve core 102 and the seal 104 to compress hermetically-sealed construction; Coaxial valve rod 101 passes the axis hole of valve body 107, by 105 supportings of two bearings, can avoid the generation of dancing, good stability.Fume extractor 112 connects by connecting piece and exhaust opening 111.The reversing valve assembly 10 outer driving mechanisms of establishing can be air cylinder driven or hydraulic-driven, drive coaxial valve rod 101 and move back and forth, and drive spool 102 and do to reach the purpose of opening and sealing perpendicular to the displacement of valve body sealing surface.
Its burner assembly 20 mainly is made of the heat storage 201 that separates with furnace wall 40, coal gas spray gun 202, gas entry connector 203, igniter 204, burner body installing component 205, coal gas spray gun installing component 206, coal gas gun fixture 207.Its burner assembly 20 connects with coal gas spray gun 202 by coal gas spray gun installing component 206, coal gas gun fixture 207, coal gas spray gun 202 is communicated with gas entry connector 203, the other end connects by burner body installing component 205, radiant tube mounting flange and connector 303 and radiant tube assembly 30, and be provided with igniter 204, require coal gas spray gun 202 to keep concentric fully with burner body and radiant tube 302 by coal gas spray gun installing component 206, coal gas gun fixture 207, coal gas spray gun installing component 206 is flange coupling, fast demountable; Heat storage 201 is a high alumina refractories, AI
2O
3Content is not less than 65%, can adopt heat-storing sphere as heat storage medium, also can adopt simultaneously honeycomb brick or block heat storage medium, heat storage 201 is installed in burner assembly 20 inside, and heat storage 201 is a separate type with furnace wall 40, convenient disassembly, inspection speed is fast, operating cost is low, and heat storage 201 is after screening, and is reusable.
Its radiant tube assembly 30 mainly is made of flame control apparatus 301, radiant tube 302, radiant tube mounting flange and connector 303.Its radiant tube 302 can be " U " type, it also can be " W " type, radiant tube 302 ends are provided with mounting flange and the connector 303 that is connected with burner assembly 20, the air intake of radiant tube 302 ends and burner assembly 20 rear portions connect, be provided with flame control apparatus 301 in the radiant tube 302, disperse thermic load as far as possible, do not had the temperature Centralized point.
Consult shown in Figure 3, operation principle of the present utility model: radiant tube 302 carries fume extractor 112 behind two groups of heat storages 201, two cover coal gas spray guns 202 and the common reversal valve, be responsible for burning for one group in two groups of heat storages 201, be responsible for accumulation of heat for one group, through the regular hour, finish the conversion of combustion air and flue gas flow direction by the reciprocating action of the reciprocating type oversquare reversing valve assembly 10 of synchronous threeway, make the burner assembly 20 of original burning be transformed into the accumulation of heat state, make the burner assembly 20 of original accumulation of heat be transformed into fired state.
Claims (4)
1. power mediation type radiant tube heat accumulating burner capable, comprise reversing valve assembly, burner assembly, radiant tube assembly, furnace wall, it is characterized in that radiant tube assembly (30) two ends are provided with burner assembly (20), burner assembly (20) and the reciprocating type oversquare reversing valve assembly of threeway (10) connection synchronously.
2. power mediation type radiant tube heat accumulating burner capable according to claim 1, the valve body (107) that it is characterized in that the reciprocating type oversquare reversing valve assembly of synchronous threeway (10) is a three-port structure, at least two cover triple-valve bodies (107) are connected by coaxial valve rod (101), two cover valve bodies (107) respectively with advance that storage heater interface (109), air duct connect (106), smoke evacuation interface (108) communicates, be symmetrical arranged along exhaust opening (111) center line.
3. power mediation type radiant tube heat accumulating burner capable according to claim 1 is characterized in that being provided with flame control apparatus (301) in the radiant tube (302) of radiant tube assembly (30), and radiant tube (302) can be " U ", " W " type shape.
4. power mediation type radiant tube heat accumulating burner capable according to claim 1 is characterized in that the heat storage (201) of burner assembly (20) and furnace wall (40) are separate type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232865 CN2544189Y (en) | 2002-05-22 | 2002-05-22 | Power adjustable radiation pipe heat storage type burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02232865 CN2544189Y (en) | 2002-05-22 | 2002-05-22 | Power adjustable radiation pipe heat storage type burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2544189Y true CN2544189Y (en) | 2003-04-09 |
Family
ID=33708142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02232865 Expired - Lifetime CN2544189Y (en) | 2002-05-22 | 2002-05-22 | Power adjustable radiation pipe heat storage type burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2544189Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101523114B (en) * | 2006-08-24 | 2011-05-18 | 埃尔斯特有限公司 | Method and radiant-heating device for heating an industrial furnace |
-
2002
- 2002-05-22 CN CN 02232865 patent/CN2544189Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101523114B (en) * | 2006-08-24 | 2011-05-18 | 埃尔斯特有限公司 | Method and radiant-heating device for heating an industrial furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120522 Granted publication date: 20030409 |