CN106642112A - Flat flame-crossover heat-accumulation type radiant tube combustion device - Google Patents

Flat flame-crossover heat-accumulation type radiant tube combustion device Download PDF

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Publication number
CN106642112A
CN106642112A CN201611167066.5A CN201611167066A CN106642112A CN 106642112 A CN106642112 A CN 106642112A CN 201611167066 A CN201611167066 A CN 201611167066A CN 106642112 A CN106642112 A CN 106642112A
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CN
China
Prior art keywords
air
burner
flame
radiant tube
coal gas
Prior art date
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CN201611167066.5A
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Chinese (zh)
Inventor
吴道洪
石为华
宋敏洁
王东方
杨玉地
Original Assignee
北京神雾环境能源科技集团股份有限公司
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Application filed by 北京神雾环境能源科技集团股份有限公司 filed Critical 北京神雾环境能源科技集团股份有限公司
Priority to CN201611167066.5A priority Critical patent/CN106642112A/en
Publication of CN106642112A publication Critical patent/CN106642112A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/12Radiant burners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/66Preheating the combustion air or gas
    • Y02E20/348

Abstract

The invention provides a flat flame-crossover heat-accumulating type radiant tube combustion device. The device comprises a single heat-accumulating type combustor, a furnace body, at least three radiant tubes, an igniter burner, an igniter burner casing pipe, at least two combustors, a four-way valve, and a radiant tube connecting flange, wherein the air single heat-accumulating type combustor comprises a cover plate, an air body, an insulating layer, a heat accumulator, a burner block, a coal gas flame-crossover tube, an air nozzle block, an air swirl vane, a coal gas flame-crossover branch opening, an air flame-crossover branch opening and a main coal gas nozzle. According to the flat flame-crossover heat-accumulating type radiant tube combustion device, the temperature requirements of a radiant tube combustor in different application fields can be met, at the same time the uniformity of the temperature inside the radiant tube is improved, and the waste heat can be more effectively recycled; meanwhile, auxiliary flues which are added due to excess gas volume are saved, the investment in relevant corollary equipment of the radiant tube combustor, the igniter burner and the like is saved, and the system is simplified.

Description

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

Technical field

The invention belongs to regenerator gas field of combustion technology, and in particular to one kind adopts the flat flame formula sparking mode of arm Multitubular bundles integrated form radiant tube combustion device.

Background technology

Gas fired radiant tubes, mainly with coal gas as fuel, in special sealing shroud combustion inner pipe, by the sleeve surface being heated Heating object is transferred heat in thermal-radiating form, combustion product is not contacted with heating object;Regenerative gas spoke The sensible heat of pipe flue gas after the setting of heat storage is using set combustion inner pipe is penetrated 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 heat accumulating type multitubular bundles radiant tube combustion that the own characteristic of radiant tube burner is developed in combination with regenerative combustion technology Burn device to arise at the historic moment, heat accumulating type multitubular bundles radiant tube combustion device have meet efficiently, 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 It is convenient with overhauling.

Because gas fired radiant tubes is in course of normal operation, need to configure corresponding reversing control system and device.With The extensive application of engineering project a, heat-treatment furnace need to be equipped with tens or even hundreds of radiant tube burner, with heat accumulating type combustion As a example by gas radiant tube, the quantity and igniter burner and corresponding Iganition control system that need to configure radiant tube burner complements one another, System is very huge, artificial cumbersome, high cost.As utility model of the notification number for 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 is provided with two thermals, can effectively carry out accumulation of heat circulation, is improving 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, the type of furnace 300-600 radiant tube, 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 radiant tube to be extremely difficult to uniformly in the temperature of axial direction, 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 is 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, the thermal-storage burning device utilizing radiant tube of simple in structure and low in cost become the problem of this area urgent need to resolve.

The content of the invention

The present invention is directed to the deficiencies in the prior art, designs and develop a kind of flat flame heat accumulation type radiant tube burning dress Put, it mainly meets the temperature requirement in radiant tube burner different application field, while increasing the uniform of radiant tube internal temperature Property, significantly more efficient Mist heat recovering, while saving the auxiliary flue increased because exhaust gas volumn is excessive, saves radiant tube The input of the correlation corollary equipment such as burner and igniter burner, has simplified system.

To solve above-mentioned technical problem, the technical solution used in the present invention is:

The invention provides a kind of flat flame thermal-storage burning device utilizing radiant tube.Embodiments in accordance with the present invention, 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 burnings Room, cross valve and radiant tube adpting flange;The air single heat accumulating type burner includes:Cover plate, body of air, heat-insulation layer stores Hot body, burner block, coal gas flame tube interconnector, air nozzle brick, air swirling vanes, coal gas connection flame mouth, air connection flame mouth, main coal Gas blowout mouth, wherein:First burner A and the first combustion chamber A is located at the side of the body of heater, the burnings of the second burner B and second Room B is located at the opposite side of the body of heater, and the burner block of the first burner A and the second burner B is respectively protruding into described the The tapping of one combustion chamber A and the second combustion chamber B, and to the indoor extension of burning, the burner block external metallization flanged plate with it is right The combustion chamber answered is fastenedly connected;The adpting flange of the body of air is fixedly connected with the flange of burner block, the cover plate with it is empty Gas body is fastened by bolts, and at least three cavitys are divided into inside the body of air, and heat-insulation layer is arranged on body of air Inside, forms at least three individual cavities that heat storage is placed, and the heat storage is placed in the inside cavity;The air spray Mouth brick is connected with burner block, and at least three cavitys are separated into inside the burner block, respectively with body of air inside At least three cavitys for dividing are connected;The air nozzle brick front end is provided with air swirling vanes described at least three and at least two The center of at least three cavitys being separated into inside individual air connection flame mouth, the air swirling vanes and the burner block Bobbin thread is coaxially arranged, and at least two air connection flame mouth is arranged between at least three air swirling vanes;Institute Coal gas flame tube interconnector is stated in the cavity of the air nozzle brick, the coal gas flame tube interconnector is provided with main coal gas spray described at least three Mouth and multiple coal gas connection flames mouth, each described main gas port central axis and the corresponding air swirling vanes axles Line is coaxially arranged, and the coal gas connection flame mouth is arranged corresponding to air connection flame mouth, the coal gas flame tube interconnector two ends difference It is connected with branch gas tube road;First, second combustion chamber is tight with the first, second air single heat accumulating type burner respectively Guan County fills, and at least three radiant tube adpting flange axis on the combustion chamber revolve respectively with the air on corresponding burner The axis of stream blade coincides, and the radiant tube extends in the inner chamber of the body of heater, the radiation of its one end and the first combustion chamber A Pipe adpting flange connects, and the other end is connected with the radiant tube adpting flange of the second combustion chamber B.

Inventor has found that flat flame thermal-storage burning device utilizing radiant tube according to embodiments of the present invention, simple structure is grasped Facilitate, disclosure satisfy that the temperature requirement in radiant tube burner different application field, while increasing the equal of radiant tube internal temperature Even property, while saving the auxiliary flue increased because exhaust gas volumn is excessive, saves the phases such as radiant tube burner and igniter burner The input of corollary equipment is closed, system has been simplified.

The metal flange of the body of air of embodiments in accordance with the present invention, the first burner A and the second burner B point It is not attached by the metal flange on pipeline with two connectors of the cross valve, two other connector of cross valve Respectively with the metal flange fastening of smoke evacuation house steward and air header.

Embodiments in accordance with the present invention, burner block external metallization flanged plate is connected with corresponding combustion chamber using bolt fastening Connect;The adpting flange of the body of air is fixedly connected with the flange of burner block with bolt;Two other connector of cross valve It is fastened by bolts with the metal flange of smoke evacuation house steward and air header respectively;First, second combustion chamber respectively with it is described First, second air single heat accumulating type burner is fastened by bolts installation.

Embodiments in accordance with the present invention, the external diameter of the air swirling vanes is 60mm, each air connection flame mouth arrangement In the centre position of two adjacent air swirling vanes, each air connection flame mouth draw ratio is 20-25.

Embodiments in accordance with the present invention, the coal gas flame tube interconnector arranges 3 main gas ports and 14 coal gas Connection flame mouth, the main gas port spout latus rectum size is 10-15mm, and the coal gas connection flame mouth is one group of correspondence per 7 In air connection flame mouth, aperture pitch 25-30mm of each mouth, aperture size is 3-5mm.

Embodiments in accordance with the present invention, each combustion chamber is designed with an igniter burner, the igniter burner and institute State igniter burner sleeve pipe and be fastened by bolts installation, cooling of electrode wind interface, ignition coal are respectively disposed with the igniter burner Gas interface and igniting air interface, igniter burner load is 0.5-1kw, and jet size is 40-45mm, and combustion flame length is 150-200mm。

Embodiments in accordance with the present invention, the igniter burner casing centerline is at least three radiant tubes flange In the plane that axis is formed, and perpendicular to radiant tube flange axis, the igniter burner casing centerline and the coal gas Flame tube interconnector centreline spacing is in 130-150mm.

Embodiments in accordance with the present invention, the radiant tube horizontal mode is positioned over furnace interior, or vertically point row arrangement In furnace interior, also or in " product " font arrangement.

Embodiments in accordance with the present invention, between the metal flange and the cross valve valve is provided with, for controlling burning The break-make of air in device;The coal gas flame tube interconnector has cuts soon valve.

Embodiments in accordance with the present invention, the size of the heat storage is 150x100x100mm, and inner passage is using cellular Aperture, orifice size is 2-4mm, and every piece of heat storage honeycomb aperture is interconnected inside burner.

The beneficial effects of the present invention is:

1)Than more uniform, in-furnace temperature fluctuates at ± 5 DEG C for furnace atmosphere, temperature.

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.

Description of the drawings

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

Fig. 2 is the structure chart of air single heat accumulating type burner of the present invention.

Fig. 3 is the A of air single heat accumulating type burner of the present invention to sectional view.

Fig. 4 is the B of air single heat accumulating type burner of the present invention to sectional view.

Fig. 5 is igniter burner structure chart of the present invention.

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 mouth;10th, air connection flame mouth;11st, main gas port;12nd, body of heater; 13rd, radiant tube;14th, igniter burner;15th, igniter burner sleeve pipe;16th, combustion chamber;17th, cross valve;18th, radiant tube adpting flange.

Specific embodiment

In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this Invention is described in further detail.The embodiments described below is exemplary, is only used for explaining the present invention, and is not understood that For limitation of the present invention.Unreceipted particular technique or condition in embodiment, according to the skill described by document in the art Art or condition are carried out according to product description.

According to an aspect of the present invention, the invention provides a kind of flat flame thermal-storage burning device utilizing radiant tube, Fig. 1 For 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 storage type burner, body of heater 12, at least three radiant tubes 13, igniter burner 14, igniter burner sleeve pipes 15, at least two burn Room 16, cross valve 17 and radiant tube adpting flange 18;Wherein, two burners and combustion chamber are used as a working cell.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 is located at the body of heater The burner block of opposite side, the first burner A and the second burner B is respectively protruding into the combustions of the first combustion chamber A and second The tapping of room B is burnt, and to the indoor extension of burning, the burner block external metallization flanged plate connects with the fastening of corresponding combustion chamber Connect;First, second combustion chamber 16 is installed respectively with first, second air single heat accumulating type burner fastening, the combustion Burn room 16 at least three radiant tube adpting flange axis respectively with the axis phase of the air swirling vanes 8 on corresponding burner Overlap, the radiant tube extends in the inner chamber of the body of heater, its one end connects with the radiant tube adpting flange of the first combustion chamber A Connect, the other end is connected with the radiant tube adpting flange of the second combustion chamber B.The body of air of the first burner A and the second burner B 2 metal flange is attached respectively with two connectors of the cross valve 13 by the metal flange on pipeline, cross valve 13 two other connector is fastened respectively with the metal flange of smoke evacuation house steward and air header.

During work, first a burner A14 is lighted, after it stably burns, open the metal of burner A, B body of air 2 Flange early gate, now cross valve 17 work so that the air pipe line of burner A is connected, while opening coal gas flame tube interconnector 6 Valve is cut soon so that the gaspipe line of burner A is connected, burner A burnings, flame is propagated into radiant tube 9, by 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 cross valve 17 Cigarette pipeline connection, now whole combustion system normally run;Burner A, B cross valve 17 after a working unit time is performed Inverse operation, makes whole combustion system periodicity reversing combustion.

According to a particular embodiment of the invention, Fig. 2-4 for air single heat accumulating type burner of the present invention structure chart and A to To sectional view, as in Figure 2-4, the air single heat accumulating type burner includes B:Cover plate 1, body of air 2, heat-insulation layer 3, accumulation of heat Body 4, burner block 5, coal gas flame tube interconnector 6, air nozzle brick 7, air swirling vanes 8, coal gas connection flame mouth 9, air connection flame mouth 10, main gas port 11, wherein:The adpting flange of the body of air 2 is fixedly connected with the flange of burner block 5, the cover plate 1 It is fastened by bolts with body of air 2, at least three cavitys is divided into inside the body of air 2, heat-insulation layer 3 is arranged on air The inside of body 2, forms at least three individual cavities that heat storage is placed, and the heat storage 4 is placed in the inside cavity;Institute State air nozzle brick 7 to be connected with burner block 5, at least three cavitys are separated into inside the burner block 5, respectively with the air At least three cavitys that the inside of body 2 is divided equally are connected;The front end of air nozzle brick 7 is provided with air swirl described at least three It is separated into inside air connection flame mouth 10 described in blade 8 and at least two, the air swirling vanes 8 and the burner block 5 The cener line of at least three cavitys is coaxially arranged, and at least two air connection flame mouth 10 is arranged in described at least three Between air swirling vanes 8;The coal gas flame tube interconnector 6 is located in the cavity of the air nozzle brick 7, the coal gas flame tube interconnector 6 It is provided with main gas port 11 described at least three and multiple coal gas connection flame mouths 9, each described center of main gas port 11 Axis arranges that the coal gas connection flame mouth 9 joins flame corresponding to the air with the corresponding axis coaxle of the air swirling vanes 8 Prop up mouth 10 to arrange, the two ends of coal gas flame tube interconnector 6 are connected respectively with branch gas tube road.Hereby it is achieved that passing through Flat flame arm Connection flame mode is lighted a fire.

According to a particular embodiment of the invention, the connected mode between part is not particularly limited, in some of the invention In embodiment, burner block external metallization flanged plate is adopted with corresponding combustion chamber and is bolted connection;The company of the body of air 2 Acting flange is fixedly connected with the flange of burner block 5 with bolt;Two other connector of cross valve 13 respectively with smoke evacuation house steward and The metal flange of air header is fastened by bolts;First, second combustion chamber 16 respectively with the first, second air list Heat-storage type burner is fastened by bolts installation, is achieved in stable and firmly connects.

According to a particular embodiment of the invention, the profile and set location of air swirling vanes is not particularly limited, at this In some embodiments of invention, the external diameter of the air swirling vanes is 60mm, and each air connection flame mouth 10 is arranged in two The centre position of adjacent air swirling vanes 8, each air connection flame draw ratio of mouth 10 is 20-25.

According to a particular embodiment of the invention, the size and set location of coal gas flame tube interconnector is not particularly limited, at this In some bright embodiments, the coal gas flame tube interconnector 6 arranges 3 main gas ports 11 and 14 coal gas connection flame mouths 9, the spout latus rectum size of the main gas port 11 is 10-15mm, and the coal gas connection flame mouth 9 corresponds to institute per 7 for one group Air connection flame mouth 10 is stated, each props up aperture pitch 25-30mm of mouth, and aperture size is 3-5mm.

According to a particular embodiment of the invention, Fig. 5 is igniter burner structure chart of the present invention, as shown in figure 5, each combustion chamber An igniter burner is designed with, the igniter burner 14 is fastened by bolts installation, institute with the igniter burner sleeve pipe 15 State and cooling of electrode wind interface, gas for ignition interface and igniting air interface are respectively disposed with igniter burner 14, igniter burner is born Lotus is 0.5-1kw, and jet size is 40-45mm, and combustion flame length is 150-200mm.The center of igniter burner sleeve pipe 15 Line in the plane that at least three radiant tubes flange axis is formed, and perpendicular to radiant tube flange axis, institute The center line of igniter burner sleeve pipe 15 is stated with the centreline spacing of coal gas flame tube interconnector 6 in 130-150mm.

According to a particular embodiment of the invention, the set-up mode of radiant tube is not particularly limited, in some realities of the present invention In applying example, the radiant tube horizontal mode is positioned over furnace interior, or vertically a point row are arranged in furnace interior, also or in " product " Font is arranged.

According to a particular embodiment of the invention, in order to control air, it is provided between the metal flange and the cross valve Valve, for controlling the break-make of air in burner.Meanwhile, the coal gas flame tube interconnector has cuts soon valve, in order to join cutting for flame Change.

According to a particular embodiment of the invention, the material and specification of heat storage is not particularly limited, in some of the invention In embodiment, the size of the heat storage 4 is 150x100x100mm, and inner passage adopts cellular aperture, and orifice size is 2- 4mm, the honeycomb aperture of every piece of heat storage 4 is interconnected inside burner.Hereby it is achieved that the storage and utilization of heat.

Embodiment one

First, burner block 5 is stretched into the tapping of combustion chamber 16 by each burner, and real compression will be filled at gap with fire-retardent fiber felt-rug, The external metallization flanged plate of burner block 5 and the connecting bolt of combustion chamber 16 are fastenedly connected, then by the connection of body of air 2 Flange is connected with the flange of burner block, and firmly installs, and cover plate 1 and body of air are fastened by bolts, and is incubated The inside that layer 3 is installed to body of air, forms 3 individual cavities that heat storage is placed, heat storage 4 lay with inside it.Burning Room 16 is connected with radiant tube 13 by respective radiant tube adpting flange 18 by bolt, and radiant tube can be with burst horizontal mode It is positioned over furnace interior, it is also possible to which vertically a point row are arranged in furnace interior, can be combined according to different technology conditions, burns The metal flange of the body of air in device is connected respectively with two connectors of cross valve 17 by the metal flange on pipeline Connect, two other connector of cross valve is fastened by bolts respectively with the metal flange of smoke evacuation house steward and air header.

During work, first a burner A14 is lighted, after it stably burns, open the metal method of burner A, B body of air Blue early gate, now cross valve work so that the air pipe line of burner A is connected, while opening cutting soon for coal gas flame tube interconnector 6 Valve so that the gaspipe line of burner A is connected, burner A burnings, in the inline flame burnings of combustion chamber A, flame is by combustion for flame Burn room A and enter into radiant tube and burnt, high-temperature flue gas are reached in the B of combustion chamber by radiant tube.And burner B is in cross 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, through heat storage 900-1000 DEG C is preheating to, and now whole combustion system is normally run;Burner A, B are in a list Cross valve performs inverse operation after the working time of position, makes whole combustion system periodicity reversing combustion.This embodiment burner connection flame Function-stable, ensure that ignition, and in 1000-1200mm, combustion gas is liquefied petroleum gas calorific value to the length of flame 12000kcal/m3, radiant tube surface temperature is respectively 800 DEG C after burning, 790 DEG C, 785 DEG C,.Every radiant tube axial direction About ± 5 DEG C of temperature difference.

Inventor has found that device according to embodiments of the present invention, air single heat accumulating type burner passes through combustion chamber with radiation Tubular combination, develops multitubular bundles radiant tube combustion device, and the flame that the device goes out burner combustion burns in radiant tube, Simultaneously high-temperature flue gas are discharged uniformly through another heat-storage type burner of radiant tube UNICOM, and Fire Radiation and high-temperature flue gas pass through Radiant tube to furnace interior conducts heat, while improve the radiant power of radiant tube, each two burner and combustion chamber are one group, spoke Penetrating the quantity of pipe can arrange multiple radiant tubes according to technological parameter, reduce the input of igniter burner system and device, additionally, Join flame mode by Flat flame arm to be lighted a fire, reduce the area of installing and using of device, debug convenient.

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

In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral;Can be that machinery connects Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to concrete feelings Condition understands above-mentioned term concrete meaning in the present invention.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is 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 spy that the embodiment or example are described Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be arbitrary Combine in an appropriate manner in individual or multiple embodiments or example.Additionally, in the case of not conflicting, the skill of this area Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example Close and combine.

Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification, simultaneously for one of ordinary skill in the art, according to the think of of the application Think, 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 include: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), cross 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 mouth(9), air connection flame mouth(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 is located at institute The burner block for stating the opposite side of body of heater, the first burner A and the second burner B is respectively protruding into the first combustion chamber A With the tapping of the second combustion chamber B, and to the indoor extension of burning, 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 mouth described at least two(10), the air swirling vanes(8)With institute State burner block(5)The cener line of at least three cavitys that inside is separated into is coaxially arranged, and at least two air joins flame Prop up mouth(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)It is provided with least Three main gas ports(11)With multiple coal gas connection flame mouths(9), each described main gas port(11)Central shaft Line and the corresponding air swirling vanes(8)Axis coaxle arranges that the coal gas connection flame props up mouth(9)Corresponding to air connection Flame mouth(10)Arrange, the coal gas flame tube interconnector(6)Two ends are connected respectively with branch gas tube road;
First, second combustion chamber(16)Install with first, second air single heat accumulating type burner fastening 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, the radiant tube of its one end and the first combustion chamber A Adpting flange connects, and the other end is connected with the radiant tube adpting flange of the second combustion chamber B.
2. device according to claim 1, it is characterised in that the air sheet of the first burner A and the second burner B Body(2)Metal flange respectively with the cross valve(13)Two connectors be attached by the metal flange on pipeline, Two other connector of cross valve (13) is fastened respectively with the metal flange of smoke evacuation house steward and air header.
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 Two other connector of valve (13) is fastened by bolts respectively with the metal flange of smoke evacuation house steward and air header;Described First, the second combustion chamber(16)It is fastened by bolts installation with the first, second air single heat accumulating type burner respectively.
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 mouth(10)It is arranged in two adjacent air swirling vanes(8)Centre position, each air connection Flame mouth(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 mouths(9), the main gas port(11)Spout latus rectum size is 10- 15mm, the coal gas connection flame mouth(9)Per 7 for one group corresponding to air connection flame mouth(10), the aperture of each mouth 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 spacing is in 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 Portion, an or vertical point row in vivo is arranged in furnace interior, also or in " product " font arrangement.
9. the device according to any one of claim 1-3, it is characterised in that the metal flange and the cross valve it Between be provided with valve, for controlling the break-make of air in burner;The coal gas flame tube interconnector has cuts soon valve.
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 adopts cellular aperture, and orifice size is 2-4mm, every piece of heat storage(4)Honeycomb is little Hole is interconnected inside burner.
CN201611167066.5A 2016-12-16 2016-12-16 Flat flame-crossover heat-accumulation type radiant tube combustion device CN106642112A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1073242A (en) * 1996-08-30 1998-03-17 Nippon Steel Corp Temperature control for continuous annealing furnace
CN201184696Y (en) * 2008-03-14 2009-01-21 江苏焱鑫科技集团有限公司 Tube type heating stove
CN102363730A (en) * 2011-01-10 2012-02-29 张卫军 Oil shale dry-wet mixing method dry distillation technology and heat accumulating type external firing shale oven
CN103968385A (en) * 2014-05-24 2014-08-06 北京首钢国际工程技术有限公司 Upper-lower combination type dual-heat storage burner with embedded burner blocks
CN204005997U (en) * 2014-07-20 2014-12-10 江苏南山冶金机械制造有限公司 Honeycomb fashion radiant tube
CN206600802U (en) * 2016-12-16 2017-10-31 神雾科技集团股份有限公司 A kind of flat flame thermal-storage burning device utilizing radiant tube

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1073242A (en) * 1996-08-30 1998-03-17 Nippon Steel Corp Temperature control for continuous annealing furnace
CN201184696Y (en) * 2008-03-14 2009-01-21 江苏焱鑫科技集团有限公司 Tube type heating stove
CN102363730A (en) * 2011-01-10 2012-02-29 张卫军 Oil shale dry-wet mixing method dry distillation technology and heat accumulating type external firing shale oven
CN103968385A (en) * 2014-05-24 2014-08-06 北京首钢国际工程技术有限公司 Upper-lower combination type dual-heat storage burner with embedded burner blocks
CN204005997U (en) * 2014-07-20 2014-12-10 江苏南山冶金机械制造有限公司 Honeycomb fashion radiant tube
CN206600802U (en) * 2016-12-16 2017-10-31 神雾科技集团股份有限公司 A kind of flat flame thermal-storage burning device utilizing radiant tube

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