CN105465785A - Porous ceramic plate infrared burner with metal radiation net - Google Patents

Porous ceramic plate infrared burner with metal radiation net Download PDF

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Publication number
CN105465785A
CN105465785A CN201510949473.0A CN201510949473A CN105465785A CN 105465785 A CN105465785 A CN 105465785A CN 201510949473 A CN201510949473 A CN 201510949473A CN 105465785 A CN105465785 A CN 105465785A
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CN
China
Prior art keywords
porous ceramic
ceramic plate
metal radiation
plate
radiation net
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510949473.0A
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Chinese (zh)
Inventor
李明明
高阳
沈小军
周青
夏德智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wisdri Wuhan Wis Industrial Furnace Co Ltd
Original Assignee
Wisdri Wuhan Wis Industrial Furnace Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wisdri Wuhan Wis Industrial Furnace Co Ltd filed Critical Wisdri Wuhan Wis Industrial Furnace Co Ltd
Priority to CN201510949473.0A priority Critical patent/CN105465785A/en
Publication of CN105465785A publication Critical patent/CN105465785A/en
Pending legal-status Critical Current

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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
    • F23D14/48Nozzles
    • F23D14/58Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • F23D14/583Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits
    • F23D14/586Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration of elongated shape, e.g. slits formed by a set of sheets, strips, ribbons or the like

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

The invention relates to a porous ceramic plate infrared burner with a metal radiation net, which comprises a burner shell, wherein the burner shell is provided with a containing cavity, the top of the containing cavity is opened, the bottom of the containing cavity is communicated with an air inlet channel, a porous ceramic plate and the metal radiation net which are parallel to each other are arranged in the containing cavity, the porous ceramic plate is positioned below the metal radiation net, and fire paths which are communicated up and down are uniformly distributed on the porous ceramic plate; the inlet channel is perpendicular to the porous ceramic plate, an inlet is formed in the bottom of the burner shell, an air distribution plate parallel to the porous ceramic plate is arranged below the porous ceramic plate in the cavity, an outlet of the inlet channel can be completely shielded by the air distribution plate, a gap exists between the bottom of the air distribution plate and the outlet of the inlet channel, a gap exists between the outer edge of the air distribution plate and the inner wall of the cavity, and air inlet holes are uniformly distributed in the air distribution plate. The burner can distribute the air inlet quantity to ensure that the combustion is more uniform.

Description

With the porous ceramic plate infrared burner of metal radiation net
Technical field
The present invention relates to a kind of infrared burner, be specifically related to a kind of porous ceramic plate infrared burner with metal radiation net.
Background technology
From early in the twentieth century, the Bao En (Bone) of Franklin research institute starts the research being devoted to surface combustion, he finds when gas-air sprays from the aperture of refractory material with enough pressure, fiercely can burn in aperture, refractory material is made to present red-hot state, but surface does not have obvious flame, porous ceramic plate gas infrared burner is exactly the embody rule of this burning.Porous ceramic plate infrared burner with metal radiation net belongs to the one of porous media combustor, after first generation conventional gas combustion technology, second generation Regenerative Combustion Technology, at present up-to-date in the world third generation multi-hole medium combustion technology, metal radiation net adds radiation intensity, swept area, load regulation range can also anti-anti-avulsion fire; Porous ceramic plate infrared burner efficiency of combustion with metal radiation net is high, pollutant emission is low, burner volume is little, compact conformation, load regulation range wide, flameholding.
At present, generally there is following problem in the porous ceramic plate infrared burner of existing band metal radiation net: 1. mist all injects directly on porous ceramic plate, and air inlet is uneven, and flame is uneven; 2. complex structure, handling, maintenance trouble.
Summary of the invention
The object of this invention is to provide a kind of porous ceramic plate infrared burner with metal radiation net, this burner can distribute intake makes burning more even.
The technical solution adopted in the present invention is:
A kind of porous ceramic plate infrared burner with metal radiation net, comprise burner shell, burner shell is provided with cavity volume, cavity volume open top, bottom are communicated with inlet channel, the porous ceramic plate and metal radiation net that are parallel to each other is provided with in cavity volume, porous ceramic plate is positioned at metal radiation side off the net, porous ceramic plate is evenly distributed with the quirk of up/down perforation; Inlet channel is vertical with porous ceramic plate and entrance is located at bottom burner shell, the air distribution plate parallel with porous ceramic plate is provided with below porous ceramic plate in cavity volume, inlet channel outlet can be blocked by air distribution plate completely, the bottom of air distribution plate and inlet channel export exists gap, there is gap in the outer rim of air distribution plate and the inwall of cavity volume, air distribution plate is evenly distributed with fresh air inlet.
Further, burner shell comprises shell, base and spring bearer plate, shell up/down perforation and the inner side of top and bottom is equipped with catch, base up/down perforation and top are outwards launched, outer casing bottom is enclosed within base top, the region that shell and base top surround forms cavity volume, the inside region of base bottom forms inlet channel, spring bearer plate is located at enclosure and the catch of one end and outer casing bottom is fixed, the other end and base top contact outside also apply power upwards all the time, porous ceramic plate and metal radiation net are fixed by base under the position-limiting action of the effect of spring bearer plate power and the catch of housing department.
Further, inside base, inlet channel exit is provided with several outstanding columns, and air distribution plate is fixed on column; The bottom margin of porous ceramic plate is located in the top of base, top is provided with and supports pottery, supports ceramic up/down perforation and fits with the inwall of cavity volume, and metal radiation network interface card is between support pottery and the catch of cover top portion.
Further, the bottom surface of porous ceramic plate is plane, end face has been covered with equally spaced strip groove.
Further, porous ceramic plate forms by splicing about two less porous ceramic plates, and stitching portion is provided with dividing plate.
Further, metal radiation net is made up of Aludirome.
Further, the end face of metal radiation net is fixed with vertical metal frame.
Further, inlet channel is the wide taper of the narrow outlet of entrance.
The invention has the beneficial effects as follows:
1. the bellows of annular are formed on the inwall of air distribution plate and cavity volume and bottom, after the mist of air and coal gas sprays and enters inlet channel, the mid portion that part mist enters cavity volume and porous ceramic plate by the fresh air inlet of air distribution plate reacts, another part mist enters bellows from the side and then reacts with the marginal portion of porous ceramic plate under the stop of air distribution plate, air distribution plate serves the effect distributing intake, makes flame stable and uniform more; Mist on air distribution plate, further ensures the even of air distribution plate surrounding intake by inlet channel direct projection; This burner volume is little, compact conformation, can by burner shell at an arbitrary position, direction install, meet any one heating angle.
2. spring bearer plate coordinates the effect serving and be fixed with catch, this flexible fixed form, decreases porous ceramic plate, the isostructural damage of metal radiation net; Burner shell structure is simple, easy to loading and unloading, is convenient to maintenance and the upgrading of whole burner.
3. air distribution plate is fixed on column, ensure that the bottom of air distribution plate and inlet channel export and there is gap; Support the effect that namely pottery serves sealing, serve again the effect of power transmission, also assures that the spacing between porous ceramic plate and metal radiation net simultaneously.
4. strip groove increase porous ceramics plate top surface combustion surfacearea, reduce heat and distribute, accelerate intensification, during porous ceramic plate burning work, top surface temperature is when 1000-1150 DEG C, bottom surface temperature only has about 180 DEG C, reduce useless heat loss, also make quirk environment temperature reduce, prevent tempering, make burning more abundant, safer.
5. adopt the porous ceramic plate that less porous ceramic plate splicing composition is larger, convenient making, replacing and installation, if wherein the porous ceramic plate of a piece less damages, only need change the porous ceramic plate of damage, the porous ceramic plate of whole bulk need not be changed.
6. Aludirome the upper limit temperature of heat tolerance can reach 1400 DEG C, and continuous serviceability temperature can reach 1200 DEG C, and Aludirome surface forms the aluminum oxide film of one deck densification in the case of a high temperature, anti-oxidation.
7. metal frame can play the effect of reinforcing metal radiation net, and Aludirome becomes fragile under the high temperature conditions, needs to prevent stressed, and metal frame can prevent metal radiation net top directly and other object contact.
8. the inlet channel of back taper can make mist evenly diffuse to surrounding.
Accompanying drawing explanation
Fig. 1 is the upward view of the embodiment of the present invention.
Fig. 2 is the sectional view of A-A in Fig. 1.
Fig. 3 is the sectional view of B-B in Fig. 1.
Fig. 4 is the top view of one of them less porous ceramic plate in the embodiment of the present invention.
Fig. 5 is the sectional view of C-C in Fig. 4.
Fig. 6 is the upward view of metal radiation net in the embodiment of the present invention.
Fig. 7 is the front view of metal radiation net in the embodiment of the present invention.
Fig. 8 is the top view of base in the embodiment of the present invention.
Fig. 9 is the sectional view of D-D in Fig. 8.
Figure 10 is the sectional view of E-E in Fig. 8.
In figure: 1-inlet channel; 2-base; 3-spring bearer plate; 4-catch; 5-shell; 6-metal radiation net; 7-metal frame; 8-supports pottery; 9-porous ceramic plate; 10-air distribution plate; 11-bellows; 12-dividing plate; 13-column; 14-quirk; 15-groove; 16-support bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figures 2 and 3, a kind of porous ceramic plate infrared burner with metal radiation net, comprise burner shell, burner shell is provided with cavity volume, cavity volume open top, bottom is communicated with inlet channel 1, the porous ceramic plate 9 and metal radiation net 6 that are parallel to each other is provided with in cavity volume, porous ceramic plate 9 is positioned at below metal radiation net 6, porous ceramic plate 9 is evenly distributed with the quirk 14 of up/down perforation, feature of the present invention is, inlet channel 1 is vertical with porous ceramic plate 9 and entrance is located at bottom burner shell, the air distribution plate 10 parallel with porous ceramic plate 9 is provided with below porous ceramic plate 9 in cavity volume, inlet channel 1 can export and block completely by air distribution plate 10, the bottom of air distribution plate 10 and inlet channel 1 export exists gap, there is gap in the outer rim of air distribution plate 10 and the inwall of cavity volume, air distribution plate 10 is evenly distributed with fresh air inlet.
The bellows 11 of annular are formed on the inwall of air distribution plate 10 and cavity volume and bottom, after the mist of air and coal gas sprays and enters inlet channel 1, the mid portion that part mist enters cavity volume and porous ceramic plate 9 by the fresh air inlet of air distribution plate 10 reacts, another part mist enters bellows 11 from the side and then reacts with the marginal portion of porous ceramic plate 9 under the stop of air distribution plate 10, air distribution plate 10 serves the effect distributing intake, makes flame stable and uniform more; Mist on air distribution plate 10, further ensures the even of air distribution plate 10 surrounding intake by inlet channel 1 direct projection; This burner volume is little, compact conformation, can by burner shell at an arbitrary position, direction install, meet any one heating angle.
As shown in Figures 2 and 3, in the present embodiment, burner shell comprises shell 5, base 2 and spring bearer plate 3, shell 5 up/down perforation and the inner side of top and bottom is equipped with catch 4, base 2 up/down perforation and top are outwards launched, be enclosed within base 2 top bottom shell 5, the region that shell 5 and base 2 top surround forms cavity volume, inside region bottom base 2 forms inlet channel 1, spring bearer plate 3 is located at that shell 5 is inner and one end is fixing with the catch 4 bottom shell 5, the other end contacts with base 2 top outer and applies power upwards all the time, (shell 5 bottom inside has two symmetrical sides to be provided with catch 4, all the other sides need not be arranged catch 4 and also can hold up base 2), porous ceramic plate 9 and metal radiation net 6 are fixed by base 2 under the position-limiting action of the effect of spring bearer plate 3 power and the catch 4 at shell 5 top.Spring bearer plate 3 coordinates with catch 4 effect serving and be fixed, this flexible fixed form, decreases porous ceramic plate 9, the isostructural damage of metal radiation net 6; Burner shell structure is simple, easy to loading and unloading, is convenient to maintenance and the upgrading of whole burner.
As shown in Figures 2 and 3, in the present embodiment, inside base 2, inlet channel 1 exit is provided with several outstanding columns 13, and air distribution plate 10(passes through bolt) be fixed on column 13; The bottom margin of porous ceramic plate 9 is located in the top of base 2, top is provided with and supports pottery 8, support ceramic 8 up/down perforations and fit with the inwall of cavity volume, metal radiation net 6 is stuck in and supports ceramic 8(as shown in Figure 6, metal radiation net 6 is provided with several outstanding support bars 16, support bar 16 be stuck in support pottery 8 draw-in groove on, play location and support effect) and the catch 4 at shell 5 top between.Air distribution plate 10 is fixed on column 13, ensure that the bottom of air distribution plate 10 and inlet channel 1 export and there is gap; Support the effect that namely pottery 8 serves sealing, serve again the effect of power transmission, also assures that the spacing between porous ceramic plate 9 and metal radiation net 6 simultaneously.
As shown in Figure 4 and Figure 5, in the present embodiment, the bottom surface of porous ceramic plate 9 is plane, end face has been covered with equally spaced strip groove 15.Strip groove 15 increase porous ceramic plate 9 end face combustion surfacearea, reduce heat and distribute, accelerate intensification, porous ceramic plate 9 burn work time, top surface temperature is when 1000-1150 DEG C, bottom surface temperature only has about 180 DEG C, reduce useless heat loss, also make quirk 14 environment temperature reduce, prevent tempering, make burning more abundant, safer.
As shown in Figure 3, in the present embodiment, porous ceramic plate 9 is spliced by two less porous ceramic plates about 9 and forms, and stitching portion is provided with dividing plate 12.Less porous ceramic plate 9 is adopted to splice the larger porous ceramic plate 9 of composition, convenient making, replacing and installation, if wherein the porous ceramic plate 9 of a piece less damages, only need change the porous ceramic plate 9 of damage, the porous ceramic plate 9 of whole bulk need not be changed.
In the present embodiment, metal radiation net 6 is made up of Aludirome.Aludirome the upper limit temperature of heat tolerance can reach 1400 DEG C, and continuous serviceability temperature can reach 1200 DEG C, and Aludirome surface forms the aluminum oxide film of one deck densification in the case of a high temperature, anti-oxidation.
As shown in Fig. 2, Fig. 3 and Fig. 7, in the present embodiment, the end face of metal radiation net 6 is fixed with vertical metal frame 7(metal frame 7 and is made up of nickel-base alloy, high temperature resistant).Metal frame 7 can play the effect of reinforcing metal radiation net 6, Aludirome becomes fragile under the high temperature conditions, need to prevent stressed, metal frame 7 can prevent metal radiation net 6 top directly and other object contact (such as, the catch 4 at shell 5 top, four limits of metal frame 7, respectively by a part of pruning, conveniently contact with catch 4).
As shown in Fig. 2, Fig. 3, Fig. 9 and Figure 10, in the present embodiment, inlet channel 1 is the wide taper of the narrow outlet of entrance.The inlet channel 1 of back taper can make mist evenly diffuse to surrounding.
In the present embodiment, shell 5, base 2, air distribution plate 10, porous ceramic plate 9, metal radiation net 6 are rectangle, are in fact not limited only to a kind of shape, can also be other shapes of rectangle, circle etc.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.

Claims (8)

1. the porous ceramic plate infrared burner with metal radiation net, comprise burner shell, burner shell is provided with cavity volume, cavity volume open top, bottom is communicated with inlet channel, the porous ceramic plate and metal radiation net that are parallel to each other is provided with in cavity volume, porous ceramic plate is positioned at metal radiation side off the net, porous ceramic plate is evenly distributed with the quirk of up/down perforation, it is characterized in that: inlet channel is vertical with porous ceramic plate and entrance is located at bottom burner shell, the air distribution plate parallel with porous ceramic plate is provided with below porous ceramic plate in cavity volume, inlet channel outlet can be blocked by air distribution plate completely, the bottom of air distribution plate and inlet channel export exists gap, there is gap in the outer rim of air distribution plate and the inwall of cavity volume, air distribution plate is evenly distributed with fresh air inlet.
2. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 1, it is characterized in that: burner shell comprises shell, base and spring bearer plate, shell up/down perforation and the inner side of top and bottom is equipped with catch, base up/down perforation and top are outwards launched, outer casing bottom is enclosed within base top, the region that shell and base top surround forms cavity volume, the inside region of base bottom forms inlet channel, spring bearer plate is located at enclosure and the catch of one end and outer casing bottom is fixed, the other end and base top contact outside also apply power upwards all the time, porous ceramic plate and metal radiation net are fixed by base under the position-limiting action of the effect of spring bearer plate power and the catch of housing department.
3. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 2, is characterized in that: inside base, inlet channel exit is provided with several outstanding columns, and air distribution plate is fixed on column; The bottom margin of porous ceramic plate is located in the top of base, top is provided with and supports pottery, supports ceramic up/down perforation and fits with the inwall of cavity volume, and metal radiation network interface card is between support pottery and the catch of cover top portion.
4. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 1, is characterized in that: the bottom surface of porous ceramic plate is plane, end face has been covered with equally spaced strip groove.
5. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 1, is characterized in that: porous ceramic plate forms by splicing about two less porous ceramic plates, and stitching portion is provided with dividing plate.
6. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 1, is characterized in that: metal radiation net is made up of Aludirome.
7. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 6, is characterized in that: the end face of metal radiation net is fixed with vertical metal frame.
8. the porous ceramic plate infrared burner of band metal radiation net as claimed in claim 1, is characterized in that: inlet channel is the wide taper of the narrow outlet of entrance.
CN201510949473.0A 2015-12-18 2015-12-18 Porous ceramic plate infrared burner with metal radiation net Pending CN105465785A (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524151A (en) * 2016-10-26 2017-03-22 中山市三诺燃气具有限公司 Efficient 360-DEG combustor
CN107355787A (en) * 2017-08-13 2017-11-17 广州市红日燃具有限公司 A kind of infrared burner
CN109611841A (en) * 2018-12-06 2019-04-12 上海正宏厨房设备有限公司 A kind of multi-point injection gas burner
CN111457374A (en) * 2020-05-28 2020-07-28 柳惠斌 Composite infrared radiation plate and combined burner thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61291819A (en) * 1985-06-20 1986-12-22 Matsushita Electric Ind Co Ltd Catalytic burner
CN2389289Y (en) * 1999-09-21 2000-07-26 李建民 Gas infrared ray burner
CN101004264A (en) * 2007-01-15 2007-07-25 冯良 Infrared radiation burner for fuel gas
CN201568969U (en) * 2008-07-18 2010-09-01 贝卡尔特股份有限公司 Radiating burner
CN202056881U (en) * 2011-04-28 2011-11-30 成田燃具(上海)有限公司 Single cavity large area full-premix infrared burner
CN202521604U (en) * 2012-03-07 2012-11-07 无锡中阳新能源科技有限公司 Environment-friendly multiple gas-combustion three-dimensional porous infrared radiation appliance
CN202955697U (en) * 2012-12-24 2013-05-29 惠州市奥能科技有限公司 Catalyzing combustor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61291819A (en) * 1985-06-20 1986-12-22 Matsushita Electric Ind Co Ltd Catalytic burner
CN2389289Y (en) * 1999-09-21 2000-07-26 李建民 Gas infrared ray burner
CN101004264A (en) * 2007-01-15 2007-07-25 冯良 Infrared radiation burner for fuel gas
CN201568969U (en) * 2008-07-18 2010-09-01 贝卡尔特股份有限公司 Radiating burner
CN202056881U (en) * 2011-04-28 2011-11-30 成田燃具(上海)有限公司 Single cavity large area full-premix infrared burner
CN202521604U (en) * 2012-03-07 2012-11-07 无锡中阳新能源科技有限公司 Environment-friendly multiple gas-combustion three-dimensional porous infrared radiation appliance
CN202955697U (en) * 2012-12-24 2013-05-29 惠州市奥能科技有限公司 Catalyzing combustor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106524151A (en) * 2016-10-26 2017-03-22 中山市三诺燃气具有限公司 Efficient 360-DEG combustor
CN107355787A (en) * 2017-08-13 2017-11-17 广州市红日燃具有限公司 A kind of infrared burner
CN107355787B (en) * 2017-08-13 2023-11-21 广州市红日燃具有限公司 Infrared burner
CN109611841A (en) * 2018-12-06 2019-04-12 上海正宏厨房设备有限公司 A kind of multi-point injection gas burner
CN111457374A (en) * 2020-05-28 2020-07-28 柳惠斌 Composite infrared radiation plate and combined burner thereof

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Application publication date: 20160406