CN206600802U - A kind of flat flame thermal-storage burning device utilizing radiant tube - Google Patents

A kind of flat flame thermal-storage burning device utilizing radiant tube Download PDF

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Publication number
CN206600802U
CN206600802U CN201621384754.2U CN201621384754U CN206600802U CN 206600802 U CN206600802 U CN 206600802U CN 201621384754 U CN201621384754 U CN 201621384754U CN 206600802 U CN206600802 U CN 206600802U
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CN
China
Prior art keywords
air
burner
flame
radiant tube
combustion chamber
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CN201621384754.2U
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Chinese (zh)
Inventor
吴道洪
石为华
宋敏洁
王东方
杨玉地
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神雾科技集团股份有限公司
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Priority to CN201621384754.2U priority Critical patent/CN206600802U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model provides a kind of flat flame thermal-storage burning device utilizing radiant tube, including:Single heat storage type burner, body of heater, at least three radiant tubes, igniter burner, igniter burner sleeve pipe, at least two combustion chambers, four-way valve and radiant tube adpting flange;The air single heat accumulating type burner includes:Cover plate, body of air, heat-insulation layer, heat storage, burner block, coal gas flame tube interconnector, air nozzle brick, air swirling vanes, coal gas connection flame branch mouthful, air connection flame branch mouthful, main gas port.The device meets the temperature requirement in radiant tube burner different application field, increase the uniformity of radiant tube internal temperature simultaneously, significantly more efficient Mist heat recovering, save simultaneously because of the excessive and increased auxiliary flue of exhaust gas volumn, the input of the related corollary equipment such as radiant tube burner and igniter burner is saved, system has been simplified.

Description

A kind of flat flame thermal-storage burning device utilizing radiant tube

Technical field

The utility model belongs to regenerator gas field of combustion technology, and in particular to one kind is using the flat flame formula igniting of branch pipe The multitubular bundles integrated form radiant tube combustion device of mode.

Background technology

Gas fired radiant tubes, mainly using coal gas as fuel, in special sealing shroud combustion inner pipe, passes through heated sleeve surface Heating object is transferred heat in the form of heat radiation, combustion product is not contacted with heating object;Regenerative gas spoke Pipe is penetrated by the setting of heat storage using the sensible heat of flue gas after combustion inner pipe is covered come warm-up combustion-supporting air or combustion gas, with the combustion heat Efficiency high, the features such as stable, equipment dependability is high, it is widely used in various heat-treatment furnaces and continuous annealing furnace etc..According to The own characteristic of radiant tube burner is combined developed heat accumulating type multitubular bundles radiant tube combustion with regenerative combustion technology Burn device to arise at the historic moment, heat accumulating type multitubular bundles radiant tube combustion device, which has, meets efficient, energy-saving and environmental protection regenerative combustion technology There is more efficient integration, radiant power is high, and temperature is more uniform, and its structure is simpler while advantage, install, debug More facilitate with maintenance.

Due to gas fired radiant tubes in course of normal operation, it is necessary to configure corresponding reversing control system and device.With The extensive use of engineering project a, heat-treatment furnace need to be equipped with tens or even hundreds of radiant tube burners, be fired with heat accumulating type Exemplified by gas radiant tube, the quantity and igniter burner and corresponding Iganition control system that need to configure radiant tube burner complement one another, System is very huge, and artificial cumbersome, cost is high.Utility model if notification number is CN 203231301U discloses one kind Regenerative radiant tube burner, including two gas flow pipes, burner housing, gas-jet tube, two thermals, high temperature resistant sprays Mouth and high-temperature resistant radiation pipe, the burner can effectively carry out accumulation of heat circulation provided with two thermals, improve efficiency of combustion On the basis of energy-conserving and environment-protective.But there is following technological deficiency in above-mentioned patent:1)The regenerative radiant tube burner is only applicable to rule The less type of furnace of mould yield, by taking vertical pyrolysis oven as an example, 300-600 radiant tube of the type of furnace, not only installation difficulty is big, space office Promote, debugging and maintenance difficulty is more difficult to imagine.2)Penetrate pipe burner using the heat accumulating type makes because flame burns in radiant tube Obtain the temperature of radiant tube in the axial direction to be extremely difficult to uniformly, localized hyperthermia's degree situation equally restrains the use of this kind of radiant tube Scope.3)The ignition system and equipment that the radiant tube is used under the larger operating mode of amount ratio are extremely complex, and cost of investment is very It is high.Therefore, how to design a kind of temperature requirement for meeting burner different application field, increase the uniform of radiant tube internal temperature Property, simple in structure and low in cost thermal-storage burning device utilizing radiant tube turn into this area urgent need to resolve the problem of.

Utility model content

The utility model in view of the shortcomings of the prior art, designs and develops a kind of flat flame heat accumulation type radiant tube burning Device, it mainly meets the temperature requirement in radiant tube burner different application field, while increasing the equal of radiant tube internal temperature Even property, significantly more efficient Mist heat recovering, while saving because of the excessive and increased auxiliary flue of exhaust gas volumn, saves radiation The input of the correlation corollary equipment such as pipe burner and igniter burner, has simplified system.

In order to solve the above technical problems, the technical solution adopted in the utility model is:

The utility model provides a kind of flat flame thermal-storage burning device utilizing radiant tube.Implemented according to of the present utility model Example, including:At least two air single heat accumulating type burners, body of heater, at least three radiant tubes, igniter burner, igniter burner sleeve pipe, At least two combustion chambers, four-way valve and radiant tube adpting flange;The air single heat accumulating type burner includes:Cover plate, air sheet Body, heat-insulation layer, heat storage, burner block, coal gas flame tube interconnector, air nozzle brick, air swirling vanes, coal gas connection flame branch mouthful, air Connection flame branch mouthful, main gas port, wherein:First burner A and the first combustion chamber A is located at the side of the body of heater, the second burning Device B and the second combustion chamber B is located at the burner block difference of the opposite side of the body of heater, the first burner A and the second burner B The first combustion chamber A and the second combustion chamber B tapping are extend into, and is extended into combustion chamber, gold outside the burner block Category flanged plate is fastenedly connected with corresponding combustion chamber;The adpting flange of the body of air is fixedly connected with the flange of burner block, The cover plate is fastened by bolts with body of air, and at least three cavitys are divided into inside the body of air, and heat-insulation layer is set In the inside of body of air, at least three individual cavities that heat storage is placed are formed, the heat storage is placed in the cavity Portion;The air nozzle brick is connected with burner block, and at least three cavitys are separated into inside the burner block, respectively with the sky At least three cavitys that gas body interior is divided equally are connected;The air nozzle brick front end is provided with air swirl described at least three At least three be separated into described in blade and at least two inside air connection flame branch mouthful, the air swirling vanes and the burner block The cener line of individual cavity is coaxially arranged, and at least two air connection flame branch mouthful is arranged at least three air swirl Between blade;The coal gas flame tube interconnector is located in the cavity of the air nozzle brick, and the coal gas flame tube interconnector is provided with least three The main gas port and multiple coal gas connection flame branch mouthful, each main gas port central axis and the corresponding sky Cyclonic current axis of runner blade is coaxially arranged, and the coal gas connection flame branch mouthful corresponds to air connection flame branch mouthful and set, the coal gas connection Flame tube two ends are connected with branch gas tube road respectively;First, second combustion chamber stores with the first, second air list respectively The fastening of hot type burner is installed, at least three radiant tube adpting flange axis on the combustion chamber respectively with corresponding burner The axis of the air swirling vanes coincide, the radiant tube extends in the inner chamber of the body of heater, its one end and first Combustion chamber A radiant tube adpting flange connection, the other end is connected with the second combustion chamber B radiant tube adpting flange.

Inventor has found, according to the flat flame thermal-storage burning device utilizing radiant tube of the utility model embodiment, structure letter It is single, it is easy to operate, the temperature requirement in radiant tube burner different application field is disclosure satisfy that, while increasing radiant tube internal temperature Uniformity, while saving because of the excessive and increased auxiliary flue of exhaust gas volumn, save radiant tube burner and igniter burner Deng the input of related corollary equipment, system has been simplified.

According to embodiment of the present utility model, the metal method of the first burner A and the second burner B body of air Blue two connectors respectively with the four-way valve are attached by the metal flange on pipeline, two other company of four-way valve Interface is fastened with the metal flange of smoke evacuation house steward and air header respectively.

According to embodiment of the present utility model, burner block external metallization flanged plate is fastened with corresponding combustion chamber using bolt Connection;The adpting flange of the body of air is fixedly connected with the flange of burner block with bolt;Two other connection of four-way valve Metal flange of the mouth respectively with smoke evacuation house steward and air header is fastened by bolts;First, second combustion chamber respectively with institute State first, second air single heat accumulating type burner and be fastened by bolts installation.

According to embodiment of the present utility model, the external diameter of the air swirling vanes is 60mm, each air connection flame branch mouthful The centre position of two adjacent air swirling vanes is arranged in, each air connection flame branch mouthful draw ratio is 20-25.

According to embodiment of the present utility model, the coal gas flame tube interconnector is set described in 3 main gas ports and 14 Coal gas connection flame branch mouthful, the main gas port spout latus rectum size is 10-15mm, and every 7 of the coal gas connection flame branch mouthful is one group Corresponding to air connection flame branch mouthful, the small pitch of holes 25-30mm of each branch mouthful, aperture size is 3-5mm.

According to embodiment of the present utility model, each combustion chamber is designed with an igniter burner, the igniter burner It is fastened by bolts with the igniter burner sleeve pipe on installation, the igniter burner and is respectively disposed with cooling of electrode wind interface, point Fire gas interface and igniting air interface, igniter burner load is 0.5-1kw, and jet size is 40-45mm, combustion flame length For 150-200mm.

According to embodiment of the present utility model, the igniter burner casing centerline radiates interface tube described at least three In the plane of flange shaft line formation, and perpendicular to radiant tube flange axis, the igniter burner casing centerline with it is described Coal gas flame tube interconnector centreline space is away from 130-150mm.

According to embodiment of the present utility model, the radiant tube horizontal mode is positioned over furnace interior, or vertical point of row Furnace interior is arranged in, also or in " product " font is arranged.

According to embodiment of the present utility model, valve is provided between the metal flange and the four-way valve, for controlling The break-make of air in burner;The coal gas flame tube interconnector has cuts valve soon.

According to embodiment of the present utility model, the size of the heat storage is 150x100x100mm, and inner passage uses honeybee Nest shape aperture, orifice size is 2-4mm, and every piece of heat storage honeycomb aperture is interconnected inside burner.

The beneficial effects of the utility model are:

1)Furnace atmosphere, temperature are than more uniform, and in-furnace temperature is fluctuated at ± 5 DEG C.

2)Because flame burns in radiant tube so that radiant tube surface power is improved.

3)Igniter burner 4, air single regenerative burner 4, and related control device are reduced, cost is greatlyd save.

4)The space required for installation burner is reduced, facilitates the arrangement of process pipeline.

5)Smoke pre-heating is reclaimed to a greater extent, exhaust gas temperature can be controlled in less than 150 DEG C.

Brief description of the drawings

Fig. 1 is the structure chart of the flat flame thermal-storage burning device utilizing radiant tube of the utility model.

Fig. 2 is the structure chart of the utility model air single heat accumulating type burner.

Fig. 3 for the utility model air single heat accumulating type burner A to sectional view.

Fig. 4 for the utility model air single heat accumulating type burner B to sectional view.

Fig. 5 is the utility model igniter burner structure chart.

Wherein, 1, cover plate;2nd, body of air;3rd, heat-insulation layer;4th, heat storage;5th, burner block;6th, coal gas flame tube interconnector;7th, air Nozzle brick;8th, air swirling vanes;9th, coal gas connection flame branch mouthful;10th, air connection flame branch mouthful;11st, main gas port;12nd, body of heater; 13rd, radiant tube;14th, igniter burner;15th, igniter burner sleeve pipe;16th, combustion chamber;17th, four-way valve;18th, radiant tube adpting flange.

Embodiment

In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new Type, and it is not intended that to limitation of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art Document described by technology or condition or carried out according to product description.

According to one side of the present utility model, the utility model provides a kind of flat flame heat accumulation type radiant tube burning Device, Fig. 1 is the structure chart of the flat flame thermal-storage burning device utilizing radiant tube, as shown in figure 1, burner includes:At least Two air single heat accumulating type burners, body of heater 12, at least three radiant tubes 13, igniter burner 14, igniter burner sleeve pipe 15, at least Two combustion chambers 16, four-way valve 17 and radiant tube adpting flange 18;Wherein, two burners and combustion chamber are used as a job note Member.First burner A and the first combustion chamber A is located at the side of the body of heater, and the second burner B and the second combustion chamber B are located at institute State the opposite side of body of heater, the first burner A and the second burner B burner block are respectively protruding into the first combustion chamber A With the second combustion chamber B tapping, and extend into combustion chamber, the burner block external metallization flanged plate and corresponding combustion chamber It is fastenedly connected;First, second combustion chamber 16 fastens with the first, second air single heat accumulating type burner install respectively, At least three radiant tube adpting flange axis on the combustion chamber 16 respectively with the air swirling vanes 8 on corresponding burner Axis coincides, and the radiant tube extends in the inner chamber of the body of heater, its one end and the first combustion chamber A radiant tube connection method Orchid connection, the other end is connected with the second combustion chamber B radiant tube adpting flange.First burner A and the second burner B air The metal flange of body 2 is attached with two connectors of the four-way valve 13 by the metal flange on pipeline respectively, and four Two other connector of port valve 13 is fastened with the metal flange of smoke evacuation house steward and air header respectively.

During work, first a burner A14 is lighted, after its stable burning, the metal of burner A, B body of air 2 is opened Flange early gate, now four-way valve 17 work so that burner A air pipe line is connected, while opening coal gas flame tube interconnector 6 Valve is cut soon so that burner A gaspipe line is connected, burner A burnings, flame is propagated into radiant tube 9, passes through combustion chamber Burning in A16 reaches high-temperature flue gas in the B of combustion chamber by radiant tube 13.And burner B will be arranged in the action of four-way valve 17 Cigarette pipeline connection, now whole combustion system normally run;Burner A, B four-way valve 17 after a working unit time are performed Inverse operation, makes whole combustion system periodicity reversing combustion.

According to specific embodiment of the utility model, Fig. 2-4 is the structure of the utility model air single heat accumulating type burner Figure and A are to, to sectional view, as in Figure 2-4, the air single heat accumulating type burner includes with B:Cover plate 1, body of air 2 is protected Warm layer 3, heat storage 4, burner block 5, coal gas flame tube interconnector 6, air nozzle brick 7, air swirling vanes 8, coal gas connection flame branch mouthful 9 is empty Gas connection flame branch mouthful 10, main gas port 11, wherein:The adpting flange of the body of air 2 is fixed with the flange of burner block 5 to be connected Connect, the cover plate 1 is fastened by bolts with body of air 2, at least three cavitys are divided into inside the body of air 2, be incubated Layer 3 is arranged on the inside of body of air 2, forms at least three individual cavities that heat storage is placed, and the heat storage 4 is placed in institute State inside cavity;The air nozzle brick 7 is connected with burner block 5, and at least three cavitys are separated into inside the burner block 5, At least three cavitys divided equally respectively with the inside of body of air 2 are connected;The front end of air nozzle brick 7 is provided with least three Air connection flame branch mouthful 10, the air swirling vanes 8 and the burner block described in the individual air swirling vanes 8 and at least two The cener line at least three cavitys being separated into inside 5 is coaxially arranged, and at least two air connection flame branch mouthful 10 is arranged Between at least three air swirling vanes 8;The coal gas flame tube interconnector 6 is located in the cavity of the air nozzle brick 7, institute Coal gas flame tube interconnector 6 is stated provided with main gas port 11 described at least three and multiple coal gas connection flame branch mouthful 9, each main coal 11 central axis of gas blowout mouthful arrange that the coal gas connection flame branch mouthful 9 corresponds to the corresponding axis coaxle of air swirling vanes 8 The air connection flame branch mouthful 10 is set, and the two ends of coal gas flame tube interconnector 6 are connected with branch gas tube road respectively.Hereby it is achieved that logical Flat flame branch pipe connection flame mode is crossed to be lighted a fire.

According to specific embodiment of the utility model, the connected mode between part is not particularly limited, new in this practicality In some embodiments of type, burner block external metallization flanged plate is adopted with corresponding combustion chamber and is bolted connection;The air The adpting flange of body 2 is fixedly connected with the flange of burner block 5 with bolt;Two other connector of four-way valve 13 respectively with row The metal flange of cigarette house steward and air header is fastened by bolts;First, second combustion chamber 16 is respectively with described first, Two air single heat accumulating type burners are fastened by bolts installation, are achieved in stable and firmly connect.

According to specific embodiment of the utility model, the profile and set location of air swirling vanes are not particularly limited, In some embodiments of the present utility model, the external diameter of the air swirling vanes is 60mm, each air connection flame 10 cloth of branch mouthful Put in the centre position of two adjacent air swirling vanes 8, each air connection flame 10 draw ratios of branch mouthful are 20-25.

According to specific embodiment of the utility model, the size and set location of coal gas flame tube interconnector are not particularly limited, In some embodiments of the present utility model, the coal gas flame tube interconnector 6 sets 3 the main gas ports 11 and 14 coal gas Join flame branch mouthful 9, the main spout latus rectum size of gas port 11 is 10-15mm, every 7 of the coal gas connection flame branch mouthful 9 is one group Corresponding to air connection flame branch mouthful 10, the small pitch of holes 25-30mm of each branch mouthful, aperture size is 3-5mm.

According to specific embodiment of the utility model, Fig. 5 is the utility model igniter burner structure chart, as shown in figure 5, often Individual combustion chamber is designed with an igniter burner, and the igniter burner 14 is fastened by bolts with the igniter burner sleeve pipe 15 Install, cooling of electrode wind interface, gas for ignition interface and igniting air interface, igniting are respectively disposed with the igniter burner 14 Burner load is 0.5-1kw, and jet size is 40-45mm, and combustion flame length is 150-200mm.The igniter burner sleeve pipe 15 center lines are in the plane that at least three radiant tubes flange axis is formed, and perpendicular to radiant tube flange axle Line, the center line of igniter burner sleeve pipe 15 is with the centreline space of coal gas flame tube interconnector 6 away from 130-150mm.

According to specific embodiment of the utility model, the set-up mode of radiant tube is not particularly limited, in the utility model Some embodiments in, the radiant tube horizontal mode is positioned over furnace interior, or a point row are arranged in furnace interior vertically, also Or arranged in " product " font.

According to specific embodiment of the utility model, in order to control air, between the metal flange and the four-way valve Provided with valve, the break-make for controlling air in burner.Meanwhile, the coal gas flame tube interconnector has cuts valve soon, in order to join flame Switching.

According to specific embodiment of the utility model, the material and specification of heat storage are not particularly limited, new in this practicality In some embodiments of type, the size of the heat storage 4 is 150x100x100mm, and inner passage uses cellular aperture, aperture Size is 2-4mm, and the honeycomb aperture of every piece of heat storage 4 is interconnected inside burner.Hereby it is achieved that storage and the profit of heat With.

Embodiment one

First, burner block 5 is stretched into the tapping of combustion chamber 16 by each burner, and real pressure will be filled at gap with fire-retardent fiber felt-rug Tightly, the external metallization flanged plate of burner block 5 and the connecting bolt of combustion chamber 16 are fastenedly connected, then by body of air 2 The flange of adpting flange and burner block is connected with, and is firmly installed, and cover plate 1 and body of air are fastened by bolts, Heat-insulation layer 3 is installed to the inside of body of air, forms 3 individual cavities that heat storage is placed, heat storage 4 lay with inside it. Combustion chamber 16 is connected by respective radiant tube adpting flange 18 with radiant tube 13 by bolt, and radiant tube can be with burst level Mode is positioned over furnace interior, vertically row can also be divided to be arranged in furnace interior, can be combined according to different technology conditions, The metal flange of body of air in burner is entered with two connectors of four-way valve 17 by the metal flange on pipeline respectively Row connection, the metal flange of two other connector of four-way valve respectively with smoke evacuation house steward and air header is fastened by bolts.

During work, first a burner A14 is lighted, after its stable burning, the metal method of burner A, B body of air is opened Blue early gate, now four-way valve work so that burner A air pipe line is connected, while opening cutting soon for coal gas flame tube interconnector 6 Valve so that burner A gaspipe line is connected, burner A burnings, flame passes through combustion in the inline flame burnings of combustion chamber A, flame Burn room A and enter and burnt in radiant tube, high-temperature flue gas is reached in the B of combustion chamber by radiant tube.And burner B is in four-way valve Action, smoke-exhaust pipeline is connected, discharged fume, according to the thermic load of burner, the cold air air inlet of certain flow Heat storage 4,900-1000 DEG C is preheating to by heat storage, and now whole combustion system is normally run;Burner A, B are in a list Four-way valve performs inverse operation after the working time of position, makes whole combustion system periodicity reversing combustion.This embodiment burner joins flame Function-stable, ensure that ignition, and the length of flame is in 1000-1200mm, and combustion gas is liquefied petroleum gas calorific value Radiant tube surface temperature is respectively 800 DEG C after 12000kcal/m3, burning, 790 DEG C, 785 DEG C,.Every radiant tube axial direction Temperature difference is about ± 5 DEG C.

Inventor has found, according to the device of the utility model embodiment, air single heat accumulating type burner by combustion chamber with Tubular combination is radiated, multitubular bundles radiant tube combustion device is developed, the flame that the device goes out burner combustion is in radiant tube Burning, while high-temperature flue gas is discharged uniformly through another heat-storage type burner of radiant tube UNICOM, Fire Radiation and high temperature cigarette Gas is conducted heat by radiant tube to furnace interior, while improving the radiant power of radiant tube, each two burner and combustion chamber are One group, the quantity of radiant tube can set multiple radiant tubes according to technological parameter, reduce the throwing of igniter burner system and device Enter, lighted a fire in addition, joining flame mode by Flat flame branch pipe, reduce the area of installing and using of device, debugging more facilitates.

In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define One or more this feature can be expressed or be implicitly included to the feature of " first ", " second ".

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term Identical embodiment or example need not be directed to by stating.Moreover, specific features, structure, material or the feature of description can be Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be entered Row is combined and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification, simultaneously for those of ordinary skill in the art, foundation The thought of the application, will change in specific embodiments and applications.

Claims (10)

1. a kind of flat flame thermal-storage burning device utilizing radiant tube, it is characterised in that including:At least two air single heat accumulating types fire Burner, body of heater(12), at least three radiant tubes(13), igniter burner(14), igniter burner sleeve pipe(15), at least two combustion chambers (16), four-way valve(17)With radiant tube adpting flange(18);The air single heat accumulating type burner includes:Cover plate(1), air sheet Body(2), heat-insulation layer(3), heat storage(4), burner block(5), coal gas flame tube interconnector(6), air nozzle brick(7), air swirling vanes (8), coal gas connection flame branch mouthful(9), air connection flame branch mouthful(10), main gas port(11), wherein:
First burner A and the first combustion chamber A is located at the side of the body of heater, and the second burner B and the second combustion chamber B are located at institute State the opposite side of body of heater, the first burner A and the second burner B burner block are respectively protruding into the first combustion chamber A With the second combustion chamber B tapping, and extend into combustion chamber, the burner block external metallization flanged plate and corresponding combustion chamber It is fastenedly connected;
The body of air(2)Adpting flange and burner block(5)Flange be fixedly connected, the cover plate(1)With body of air (2)It is fastened by bolts, the body of air(2)Inside is divided at least three cavitys, heat-insulation layer(3)It is arranged on body of air (2)Inside, formed heat storage place at least three individual cavities, the heat storage(4)It is placed in the inside cavity;
The air nozzle brick(7)With burner block(5)It is connected, the burner block(5)Inside is separated at least three cavitys, point Not with the body of air(2)At least three cavitys that inside is divided equally are connected;The air nozzle brick(7)Front end is provided with least Three air swirling vanes(8)With air connection flame branch mouthful described at least two(10), the air swirling vanes(8)With institute State burner block(5)The cener line at least three cavitys that inside is separated into is coaxially arranged, and at least two air joins flame Branch mouthful(10)It is arranged at least three air swirling vanes(8)Between;
The coal gas flame tube interconnector(6)Positioned at the air nozzle brick(7)Cavity in, the coal gas flame tube interconnector(6)Provided with least Three main gas ports(11)With multiple coal gas connection flame branch mouthful(9), each main gas port(11)Central shaft Line and the corresponding air swirling vanes(8)Axis coaxle arranges that the coal gas joins flame branch mouthful(9)Corresponding to air connection Flame branch mouthful(10)Set, the coal gas flame tube interconnector(6)Two ends are connected with branch gas tube road respectively;
First, second combustion chamber(16)Fasten and install with the first, second air single heat accumulating type burner respectively, it is described Combustion chamber(16)On at least three radiant tube adpting flange axis respectively with the air swirling vanes on corresponding burner (8)Axis coincide, the radiant tube extends in the inner chamber of the body of heater, its one end and the first combustion chamber A radiant tube Adpting flange is connected, and the other end is connected with the second combustion chamber B radiant tube adpting flange.
2. device according to claim 1, it is characterised in that the first burner A and the second burner B air sheet Body(2)Metal flange respectively with the four-way valve(17)Two connectors be attached by the metal flange on pipeline, Two other connector of four-way valve (17) is fastened with the metal flange of smoke evacuation house steward and air header respectively.
3. device according to claim 2, it is characterised in that burner block external metallization flanged plate is adopted with corresponding combustion chamber It is bolted connection;The body of air(2)Adpting flange and burner block(5)Flange be fixedly connected with bolt;Four-way Metal flange of two other connector of valve (17) respectively with smoke evacuation house steward and air header is fastened by bolts;Described First, the second combustion chamber(16)Respectively installation is fastened by bolts with the first, second air single heat accumulating type burner.
4. the device according to any one of claim 1-3, it is characterised in that the external diameter of the air swirling vanes is 60mm, each air connection flame branch mouthful(10)It is arranged in two adjacent air swirling vanes(8)Centre position, each air connection Flame branch mouthful(10)Draw ratio is 20-25.
5. the device according to any one of claim 1-3, it is characterised in that the coal gas flame tube interconnector(6)3 institutes are set State main gas port(11)With 14 coal gas connection flame branch mouthful(9), the main gas port(11)Spout latus rectum size is 10- 15mm, the coal gas connection flame branch mouthful(9)Every 7 are one group and correspond to air connection flame branch mouthful(10), the aperture of each branch mouthful Spacing 25-30mm, aperture size is 3-5mm.
6. the device according to any one of claim 1-3, it is characterised in that each combustion chamber is designed with a point Burn mouth, the igniter burner(14)With the igniter burner sleeve pipe(15)It is fastened by bolts installation, the igniter burner (14)On be respectively disposed with cooling of electrode wind interface, gas for ignition interface and igniting air interface, igniter burner load be 0.5- 1kw, jet size is 40-45mm, and combustion flame length is 150-200mm.
7. device according to claim 6, it is characterised in that the igniter burner sleeve pipe(15)Center line it is described at least In the plane of three radiant tube flange axis formation, and perpendicular to radiant tube flange axis, the igniter burner set Pipe(15)Center line and the coal gas flame tube interconnector(6)Centreline space is away from 130-150mm.
8. the device according to any one of claim 1-3, it is characterised in that the radiant tube horizontal mode is positioned over stove Internal portion, or a point row are arranged in furnace interior vertically, also or in " product " font arrange.
9. the device according to any one of claim 1-3, it is characterised in that the metal flange and the four-way valve it Between be provided with valve, the break-make for controlling air in burner;The coal gas flame tube interconnector has cuts valve soon.
10. the device according to any one of claim 1-3, it is characterised in that the heat storage(4)Size be 150x100x100mm, inner passage uses cellular aperture, and orifice size is 2-4mm, every piece of heat storage(4)Honeycomb is small Hole is interconnected inside burner.
CN201621384754.2U 2016-12-16 2016-12-16 A kind of flat flame thermal-storage burning device utilizing radiant tube CN206600802U (en)

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CN201621384754.2U CN206600802U (en) 2016-12-16 2016-12-16 A kind of flat flame thermal-storage burning device utilizing radiant tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621384754.2U CN206600802U (en) 2016-12-16 2016-12-16 A kind of flat flame thermal-storage burning device utilizing radiant tube

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642112A (en) * 2016-12-16 2017-05-10 北京神雾环境能源科技集团股份有限公司 Flat flame-crossover heat-accumulation type radiant tube combustion device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642112A (en) * 2016-12-16 2017-05-10 北京神雾环境能源科技集团股份有限公司 Flat flame-crossover heat-accumulation type radiant tube combustion device

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Denomination of utility model: Flat flame-crossover heat-accumulation type radiant tube combustion device

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