CN104930508B - Reverse gas infrared radiation device and reverse gas-fired radiation method - Google Patents
Reverse gas infrared radiation device and reverse gas-fired radiation method Download PDFInfo
- Publication number
- CN104930508B CN104930508B CN201410310883.6A CN201410310883A CN104930508B CN 104930508 B CN104930508 B CN 104930508B CN 201410310883 A CN201410310883 A CN 201410310883A CN 104930508 B CN104930508 B CN 104930508B
- Authority
- CN
- China
- Prior art keywords
- combustion
- air
- storehouse
- gas
- pressure
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a kind of reverse gas infrared radiation device and reverse gas-fired radiation method, including casing and radiation generator, the induction tunnel and combustion section of radiation generator are in the atmospheric pressure storehouse of casing, atmospheric pressure storehouse connects with high-pressure chamber, air pressure is more than atmospheric pressure in the storehouse of high-pressure chamber, the present invention realizes small-power reverse combustion, the semiclosed nacelle design in atmospheric pressure storehouse, high-pressure chamber is imported the cooling effect of air and is greatly optimized.
Description
Technical field
The present invention relates to industry heating, dries field, relates in particular to be applied to a kind of industry heating, dries in processing
Reverse gas infrared radiation device and a kind of reverse gas-fired radiation method.
Background technology
Fuel factor principle using infrared ray to the resonance cracking of macromolecular water body, is steamed with infrared radiation for material
Dry processing, is the common technology in current industry heating field.This technology relative atmospheric convective drying has that energy consumption is low, dries
The advantages of quality is good.
In practice, the production method of infrared radiation is broadly divided into：Electric ceramic plate radiates and two kinds of electric heating infrared fluorescent tube
Mode.Both of which is converted into heat-energy secondary HEATING INFRARED radiation carrier using electric energy.Energy causes more energy through multiple conversions
Consumption.Obviously, it is more economical that heat radiation is generated in a manner of combustion gas.
In the prior art, gas-fired infrared radiation generator mainly includes：Infrared emitter radiates material from bottom to top
Positive radiant burner and infrared ray from radiate be derived from left and right sides to radiation material antenna with side radiation direction burner.And rarely has radiation
Source from top to bottom radiates the reverse Gas-fired Radiator in Municipal of material.In practice, generally it is placed on what material to be processed lay low
Process on conveyer belt, the heating for receiving radiant burner by heating work region with transmission mode is dried.
For the positive gas-fired infrared radiator of material being radiated from bottom to top to infrared ray autoradiolysis source：Radiation source and to be added
Barrier has conveyer belt between work material, and conveyer belt bears the direct radiation of infrared ray, and material to be processed is held indirectly across conveyer belt
Raying, it can not realize that infrared ray directly radiates, heat drying efficiency is relatively low；And to infrared ray autoradiolysis source by side transverse direction spoke
Penetrate for the gas-fired infrared radiator of material：Material is undesirable away from radiation source, heat drying effect.
The reverse Gas-fired Radiator in Municipal that radiation source from top to bottom radiates material can solve the problem that above-mentioned two technological deficiency.
Designing reverse Gas-fired Radiator in Municipal needs solve two technical problems：1. reverse combustion will cause pre-mixing gas combustion from burner plate
Top pours into, and how to control the input speed of pre-mixing gas combustion and the balance of burning velocity；2. how to suppress heat to conduct upwards, control
The temperature of gas-fired infrared radiator processed prevents pre-mixing gas combustion from lighting and exploding on the inside of radiator.
The reverse infrared radiator of prior art uses machinery air intake mode, with high power air blowers constantly from top to bottom
Air stream is blasted, air stream drives combustion gas to be burnt in combustion front, heats wire netting with flame, wire netting is launched infrared waves.Greatly
The air stream that power air blower blasts while combustion-supporting immixture is undertaken from the metallic walls of internal cooling infrared radiator,
Prevent tube wall temperature from spending height and lighting pre-mixing gas combustion.To ensure cooling effect, the air stream blasted must possess suitable flow velocity.
Negative interaction as described below be present in this technical scheme：1. the speed of air-flow input is much larger than the speed of burning, mistake
Surplus air is more, incomplete combustion, and heat utilization rate is low；2. burner rating remains high, to the material for needing low-temperature heat to dry
It is inapplicable.3. infrared emitter is heated wire netting, cause infra-red radiation uneven.
Therefore, it is necessary to design a kind of reverse gas infrared radiation device, burning velocity is reduced, is done suitable for low-temperature heat
Dry material, reaches effects of energy saving and emission reduction.
In addition, because reverse gas infrared radiation device is using the reverse combustion gas mode that from top to bottom supplies, the powder in air
Dirt particle is inevitable to be entered inside Gas-fired radiator with combustion air, stops up combustion gas spoke using the possible heap of rear dust for a long time
Emitter pipeline, so as to influence the input speed of pre-mixing gas combustion, once the input speed of pre-mixing gas combustion is less than burning velocity, it will cause
Tempering phenomenon causes to explode.
Therefore, it is necessary to the purification of incident air is taken into account in improved new technology, the service life of extension device.
The content of the invention
The present invention provides reverse gas infrared radiation device and reverse gas-fired radiation method, solves the above problems.
The concrete technical scheme that the present invention uses is：
A kind of reverse gas infrared radiation device, including casing and radiation generator, the casing are installed on the radiation
On the outside of generator, the radiation generator includes entrance port, induction tunnel and combustion section, and the entrance port connects peripheral hardware fuel gas supply
Device, combustion gas is injected with small-power gas nozzle, air is imported in a manner of combustion gas injection；Air and combustion gas are formed in induction tunnel
Pre-mixing gas combustion, burnt in the combustion section；
It is characterized in that：The casing includes atmospheric pressure storehouse and high-pressure chamber, and the high-pressure chamber connection air-blast device blasts cold
But wind, air pressure is more than atmospheric pressure in the storehouse of the high-pressure chamber, and the high-pressure chamber connects the atmospheric pressure storehouse by aperture；It is described big
The bottom opening in air pressure storehouse is linked up with extraneous air, makes air pressure in the storehouse of the atmospheric pressure storehouse be equal to atmospheric pressure, the combustion section production
Raw radiation is projected by atmospheric pressure orlop portion；The induction tunnel, the hot spots is in the atmospheric pressure storehouse.
The effect obtained by using above-mentioned technological means is as follows：
Air is imported in a manner of combustion gas injection in entrance port, the input speed of pre-mixing gas combustion is limited, reduces combustion section
Burning velocity, by it is outside it is air-blast cooled in a manner of control the temperature of radiation generator metallic walls, prevent tube wall temperature from spending
Height, which causes to light pre-mixing gas combustion, to explode；Realize the small-power reverse combustion of radiation generator.
Air pressure is more than air pressure in the storehouse in atmospheric pressure storehouse in high-pressure chamber storehouse, therefore air flows into air by aperture in high-pressure chamber storehouse
Storehouse is pressed, because radiation generator carries out combustion reaction in atmospheric pressure storehouse, temperature is higher than high-pressure chamber temperature in atmospheric pressure storehouse, therefore high-pressure chamber
The cooling wind that air is actually formed the metal shell that storehouse and combustion section are spread to radiator induction tunnel is imported, realizes and radiation is sent out
The control of the temperature of raw device metallic walls, and exported by atmospheric pressure storehouse bottom opening.If radiation generator is placed on open space
Shi Bixu is simultaneously in multiple directions to induction tunnel and combustion section metal shell air blast.And the semiclosed nacelle design in atmospheric pressure storehouse,
Make high-pressure chamber import the cooling effect of air to be greatly optimized.
Further improving is：The radiation generator includes entrance port, induction tunnel and combustion section；The entrance port includes
Combustion gas inlet and air inflow aperture, the combustion gas inlet are provided with small-power gas nozzle connection outer combustion gas feedway,
Combustion gas is spurted within the entrance port by the small-power gas nozzle from the combustion gas inlet；The induction tunnel connects institute
Entrance port is stated, the air and combustion gas that the entrance port imports form pre-mixing gas combustion, the induction tunnel connection in the induction tunnel
The combustion section, the combustion section are provided with igniter, and pre-mixing gas combustion imports the combustion section by the induction tunnel, by the igniting
Device is lighted, and is burnt in the combustion section, to producing infrared radiation immediately below the combustion section；The induction tunnel and combustion section
Outer wall carries out continuing cooling by blasting cooling wind, in addition to heat build-up baffle plate, the heat build-up baffle plate are located at the combustion section lower edge.
By using above-mentioned technical proposal：The injection combustion gas of small-power gas nozzle enters induction tunnel from combustion gas inlet, fires
Gas hits induction tunnel inside pipe wall and forms gamma angle, negative pressuren zone is formed by air slide effect, thus, to entrance port edge air shape
Into negative pressure drainage effect, injection air stream is formed, induction tunnel is imported from entrance port air inflow aperture, belongs to the air intake of combustion gas injection
Mode rather than air blast drive the machinery air intake mode of combustion gas air intake, and the speed that air-flow blasts is far smaller than prior art machinery air blast
Caused air-flow input speed, burning velocity is reduced, solves the problems, such as incomplete combustion.Meanwhile high-pressure chamber is to atmospheric pressure storehouse
Incident air stream actually constitutes the lasting cooling wind to induction tunnel, combustion section and irradiation unit shell, and it is upward to suppress combustion section heat
Gas-fired infrared radiator internal temperature is too high caused by conduction, prevented gas-fired infrared radiator tube wall temperature spend height light it is pre-
The hidden danger mixed combustion gas and exploded.Combustion section lower edge is provided with heat build-up baffle plate, prevents imperfect combustion air mixture from directly existing
The burning of radiation generator metal shell edge causes metal-back temperature too high.So that it is guaranteed that realize that the small-power of radiation generator is inverse
To burning.
Further improving is：The casing is the rounded cylinder in section, and the atmospheric pressure position in storehouse is among casing
Position, the high-pressure chamber are distributed in atmospheric pressure storehouse both sides.
In this way：The shape of casing can farthest bear pressure, optimize the structure of casing, make casing
More firm and durable.
Further improving is：The casing is installed on the outside of multiple radiation generators being placed in parallel.
In this way：Make the burning radiation linkage work of multiple radiation generators, form the large radiation of an entirety
Face, different materials is adapted to extensively.
Further improving is：The casing also includes middle pressure storehouse, and the entrance port of the radiation generator is in described
Press in storehouse, medium pressure storehouse is connected by air port with the high-pressure chamber, and high-pressure chamber connection air-blast device blasts cooling wind, described
Air-blast device port is provided with purifier purification drum and such as enters to cool down the dust in wind, and air pressure is more than air in the storehouse in medium pressure storehouse
Pressure, gas exchanges are not present in medium pressure storehouse and the atmospheric pressure storehouse.
By using above-mentioned technical proposal：The entrance port of radiation generator is in middle pressure storehouse, radiation generator remaining part
In atmospheric pressure storehouse, gas exchanges are not present in middle pressure storehouse and the atmospheric pressure storehouse.Thus, the sky with combustion gas mixing for pre-mixing gas combustion
For gas in middle pressure storehouse, the air blast of cooling combustion section metal outer wall cools down wind in atmospheric pressure storehouse.Cool down the thorough of wind and combustion air
Bottom shunts, and solves and cools down wind in the prior art to ensure radiation generator cooling and must maintain high-power output, and is real
The existing small-power reverse combustion contradiction that then pre-mixing gas combustion input speed can not be too fast.
Middle pressure storehouse connects high-pressure chamber by air port, and high-pressure chamber connection air-blast device blasts cooling wind, the air-blast device end
Mouth is provided with purifier purification drum and such as enters to cool down the dust in wind.Thus, it is ensured that the air stream in storehouse is pressed in being imported by high-pressure chamber
In there is no dust substantially；The entrance port of peripheral hardware gas feeder is connected in middle pressure storehouse, therefore middle pressure storehouse and peripheral hardware combustion gas supply
Junction to device certainly exists tiny gap, because air pressure is more than atmospheric pressure in middle pressure storehouse storehouse, ensure that extraneous air
In dust will not therefrom press enter in the fine gap of storehouse and peripheral hardware gas feeder junction in press storehouse and thus from entering
Loophole enters inside radiation generator.So as to ensure that in the pre-mixing gas combustion of radiation generator input there is no powder substantially on the whole
Dirt.It will not be returned after ensureing radiation generator long-term use caused by the dust accumulation in combustion-supporting air flow is inside radiation generator
Fire.
Further improving is：The air port that medium pressure storehouse is connected with the high-pressure chamber includes shield, can pass through tune
The flexible size for changing the air port of whole shield.
By using this mode：Can be by being pressed in adjustment between storehouse and high-pressure chamber in traffic channel size trace regulation
Press atmospheric pressure value in the storehouse in storehouse.Having the technical effect that for so doing makes reverse gas-fired radiation device can adapt to different atmospheric pressure environments
It is operated, in low altitude area, atmospheric pressure is higher, and the air port passage between storehouse and high-pressure chamber is pressed in expansion, storehouse is pressed in lifting
Storehouse in air pressure make it is middle pressure storehouse storehouse in air pressure superatmospheric.
And it is relatively low in high altitude localities, atmospheric pressure, the air port passage between storehouse and high-pressure chamber is pressed in diminution, in appropriate reduction
Air pressure in the storehouse in storehouse is pressed, the draught head in storehouse and atmospheric pressure storehouse is pressed in holding, avoids middle pressure storehouse pressure relative atmospheric from pressing through big and lead
Cause pre-mixing gas combustion input speed excessive compared to burning velocity, cause the effect of incomplete combustion.
Further improving is：The radiation generator combustion section outer wall is provided with cooling bath, and the cooling bath upper end is provided with
Air intake vent, the cooling bath lower end are provided with air-vent, and the air intake vent blasts cooling air-flow by blower fan, and cooling air-flow is drawn by described
Air port is discharged from cooling bath, and the air-vent has an oblique angle towards ground in vertical direction.
In this way：The air stream of cooling bath air-vent outflow is ejected on radiation area material with oblique angle,
Radiation area edge forms negative pressure drainage area, by the waste gas after the guiding burning of negative pressure drainage effect and the vapor of surface of material to
Negative pressuren zone direction suctions out；Meanwhile because dispelling the burning waste gas and vapor of radiation area by the way of negative pressure drainage, evade
Blowing drainage way destruction to radiation area high temperature dry-bulb temperature field of the tradition to radiation area, maximizes radiation efficiency.
Further improving is：The radiation generator induction tunnel includes fin, and the fin outer is rounded thin
Piece is raised, and the fin is evenly distributed on injection pipe outer wall.
By using this mode：The contact area for the cooling wind that induction tunnel is blown into air blower is increased, enhances and draws
The cooling effect of pipe surface is penetrated, keeps the temperature stabilization of induction tunnel, safeguards Gas-fired Radiator in Municipal work safety.
Further improving is：The radiation generator induction tunnel from top to bottom includes mixing unit and diffusion part, described mixed
Conjunction portion is vertical hollow cylinder, and the diffusion part is vertical hollow tapered cylinders, there is 8 ° between vertical direction and mixing unit
The oblique angle that leans outward.
By using this mode：The sectional area of diffusion part more progressively to expand, combustion-supporting air flow and combustion gas
Realize that mixing compression forms premixed gas in the mixing unit, and first time diffusion is carried out in diffusion part.
Further improving is：The radiation generator also includes diffusion storehouse, and the diffusion bin location is between the injection
Between pipe and the combustion section, the diffusion storehouse outer wall is blown into cooling wind by blower fan and persistently cooled down.The diffusion storehouse includes point
Flowing plate, the flow distribution plate are provided with tap hole, and for the tap hole longitudinally through the flow distribution plate, the flow distribution plate is intermediate projections
The flat hemispherical in edge.
By using this mode：Induction tunnel import pre-mixing gas combustion carries out second in diffusion storehouse and spread, in flow distribution plate
Middle progress third time diffusion, makes the well-mixed combustion gas of injection pipe end and air be evenly distributed in combustion section, overcomes because of combustion
Gas and combustion-supporting air flow are burnt because proportion is different, and spread caused two kinds of gases suddenly into diffusion storehouse from induction tunnel divides again
Stream, the technical problem of density unevenness, make average, the amount of radiation guarantor of each position of guarantee irradiation unit of being burnt on each position of combustion section
Hold basically identical, make burning radiation more average.
Further improving is：The combustion section of the radiation generator includes radiant combustion ceramic wafer, the radiant combustion
Ceramic wafer is provided with the burner port of longitudinally through radiant combustion ceramic wafer.
By using this mode：Happening part control is radiated on the ceramic wafer of gas-fired infrared radiator, compared to existing
Have using metallic plate as radiation source in technology, radiation profiles are more stably and controllable, and distribution is more uniform.Ceramic gas-fired infrared combustion
Without visible flame during burning mode burner combustion, there is the advantages of energy-saving and environmental protection, safe and stable.
Further improving is：The combustion section bottom of the radiation generator also includes combustion-supporting net, described combustion-supporting
Net is located under the radiant combustion ceramic wafer, and combustion bin is formed between the combustion-supporting net and the heat build-up baffle plate, described combustion-supporting
Online distribution through hole.
By using this mode：Make also another in the combustion-supporting net metal surface of high temperature without the complete pre-mixing gas combustion that burns
It is secondary to be ignited, form hot-air and rise, thermal updrafts and input air pressure from top to bottom reach dynamic equilibrium, and residue premix fires
Gas, which is stranded in combustion bin, fully to burn.So as to realize that pre-mixing gas combustion reaches completely burned, make the defeated of incident premixed gas
Enter speed and total combustion speed reaches the technique effect of balance.
Further improving is：The cooling bath of the radiation generator extends to the radiation combustion provided with metal bump
Ceramic wafer bottom edge is burnt, the radiant combustion ceramic wafer is total to by combustion section topside metal wall and the cooling bath metal bump
Same-action clamps, and the cooling bath is provided with metal shoulder pole, and the metal shoulder pole is connected to diffusion storehouse metal outer wall, the cooling bath
In air-flow directly contact the radiant combustion ceramic wafer outer wall.
By using above-mentioned technical proposal：The metalwork bulbs of pressure are discharged by the elastic construction of shoulder pole, prevent radiation from firing
Ceramic wafer is burnt because metal clamp portion is caught broken because expanding with heat and contract with cold in combustion.Improve and realize presently disclosed radiation
The service life of generator.
A kind of reverse gas-fired radiation method, it is characterised in that specifically include following steps：
Step 1：Combustion gas is injected to entrance port, combustion air is imported from entrance port in a manner of negative-pressure ejecting；
Step 2：Pre-mixing gas combustion is formed in induction tunnel with combustion air and combustion gas；
Step 3：Pre-mixing gas combustion is made to be burnt in combustion section；
Step 4：Make induction tunnel and combustion section be in the atmospheric pressure bin of bottom opening, make high-pressure chamber pass through aperture and air
Press storehouse connection；
Step 5：Importing air to high-pressure chamber makes high-pressure chamber air pressure be more than atmospheric pressure, is formed from high-pressure chamber and imports atmospheric pressure storehouse
Air stream, form the cooling wind to the induction tunnel in atmospheric pressure storehouse and combustion section outer wall.
Further improving is：
The step 4 is specially：Entrance port is in middle pressure storehouse, and induction tunnel and combustion section are in the atmospheric pressure storehouse of bottom opening
Room, high-pressure chamber are connected by aperture with atmospheric pressure storehouse, and high-pressure chamber is connected by air port with middle pressure storehouse；
The step 5 is specially：Importing air to high-pressure chamber makes high-pressure chamber air pressure be more than atmospheric pressure, from high-pressure chamber to air
Press storehouse to import air stream, form the cooling wind to the induction tunnel in atmospheric pressure storehouse and combustion section outer wall；From high-pressure chamber to middle pressure storehouse
Import pressure storehouse air pressure in air stream order and be slightly larger than atmospheric pressure, form the combustion air for importing entrance port.
Brief description of the drawings
Fig. 1 is the cut-open view of final assembly of the present invention；
Fig. 2 is air flow schematic diagram in the casing of the present invention；
The both sides high-pressure chamber that Fig. 3 is the present invention links up schematic top plan view；
Fig. 4 is the schematic diagram of the casing three-view diagram of the present invention；
Fig. 5 is the front view of the radiation generator of the present invention；
Fig. 6 is the sectional view of the radiation generator of the present invention；
Fig. 7 is diffusion storehouse and the partial sectional view of combustion section of the radiation generator of the present invention；
Fig. 8 is the schematic cross-sectional view of the induction tunnel of the radiation generator of the present invention；
Fig. 9 is the schematic top plan view of the entrance port of the radiation generator of the present invention
Figure 10 is the schematic top plan view of the radiant combustion ceramic wafer of the radiation generator of the present invention；
Figure 11 is the FB(flow block) of the reverse gas-fired radiation method of the present invention.
Reference and the corresponding relation of each part are as follows：
1. entrance port；2. induction tunnel；3. spread storehouse；4. combustion section；11. combustion gas inlet；12. air inflow aperture；
21. mixing unit；22. diffusion part；23. fin；31. flow distribution plate；32. tap hole；41. radiant combustion ceramic wafer；42.
Igniter；43. combustion-supporting net；44. combustion bin；45. heat build-up baffle plate；5. cooling bath；51. air intake vent；52. air-vent；6.
Metal shoulder pole；7. casing；71. high-pressure chamber；Ballasting in 72.；73. atmospheric pressure storehouse；74. air-blast device；75. air port；76.
Through hole；77. shield.
Embodiment
The present invention will be further described with reference to embodiments.Such as Fig. 1-shown embodiment 1：
A kind of reverse gas-fired radiation device, including casing 7 and radiation generator, the casing 7 are installed on the radiation hair
On the outside of raw device, the radiation generator from top to bottom includes entrance port 1, induction tunnel 2, spreading storehouse 3, combustion section 4 successively；Entrance port
1 includes combustion gas inlet 11 and air inflow aperture 12, and entrance port 1 connects peripheral hardware gas feeder, with small-power gas nozzle
Inject combustion gas；The outer wall of induction tunnel 2 includes fin 23, and fin 23 is evenly distributed on the outer wall of the induction tunnel 2.Fin 23
The rounded tab projection in outer；The inner side of induction tunnel 2 is respectively from top to bottom mixing unit 21 and diffusion part 22, and mixing unit 21 is
Vertically to hollow cylinder, diffusion part 22 is vertical hollow tapered cylinders, there is 8 ° outside between diffusion part 22 and mixing unit 21
Inclination angle.The connection diffusion of diffusion part 22 storehouse 3 of induction tunnel 2, spreads and flow distribution plate 31 is provided with storehouse 3, flow distribution plate 31 is provided with shunting
Hole 32, tap hole 32 set radiant combustion ceramic wafer 41, radiant combustion ceramic wafer longitudinally through flow distribution plate 31, the underface of flow distribution plate 31
41 are provided with the burner port of longitudinally through radiant combustion ceramic wafer 41, and burner port is uniformly distributed on radiant combustion ceramic wafer 41,
The thickness of radiant combustion ceramic wafer 41 is 18mm, and burner port aperture is 1.37mm, burner port distribution density 210 per square inch；
The bottom of combustion section 4 includes combustion-supporting net 43, is distributed through hole on the combustion-supporting net 43.Combustion-supporting net 43 is located at igniter 42 and fired in radiation
Burn the lower section 5mm of ceramic wafer 41.The bottom lower edge of combustion section 4 is provided with heat build-up baffle plate 45；The outer wall of combustion section 4 is provided with cooling bath 5, the cooling
The upper end of groove 5 is provided with air intake vent 51, and the lower end of cooling bath 5 is provided with air-vent 52, and air-vent 52 has one towards ground in vertical direction
65 degree of oblique angles.The bottom of cooling bath 5 extends to the radiant combustion ceramic wafer bottom edge, the radiation combustion provided with metal bump
Burn ceramic wafer to be clamped jointly by combustion section topside metal wall and the cooling bath metal bump, the radiant burner includes gold
Belong to shoulder pole 6, the both sides of cooling bath 5 connect the both ends of metal shoulder pole 6 respectively, and the metal shoulder pole 6 is with bolt connection in diffusion
The top metal outer wall of storehouse 3.
Casing 7 includes high-pressure chamber 71, and middle pressure storehouse 72 and atmospheric pressure storehouse 73, the entrance port 1 of radiation generator is in medium pressure
In storehouse 72, the radiation generator remaining part is in the atmospheric pressure storehouse 73；The high-pressure chamber 71 connects peripheral hardware air-blast device
74 blast cooling wind, and the air intake vent of air-blast device 74 is provided with clarifier, and the high-pressure chamber 71 connects the air by bunghole 76
Storehouse 73 is pressed, medium pressure storehouse 72 is connected with the high-pressure chamber 71 by air port.Medium pressure storehouse 72 is connected with the high-pressure chamber 71
The air port connect includes shield 77, and the shield 77 can pass through the intake in the air port 75 that adjusts the flexible change of bolt on shield
Size.The bottom opening of atmospheric pressure storehouse 73 is equal to atmospheric pressure with air pressure in extraneous air ditch circular order storehouse, the high-pressure chamber 71
Air pressure is more than air pressure in the storehouse in medium pressure storehouse 72 in storehouse, and air pressure is more than atmospheric pressure in the storehouse in medium pressure storehouse 72；Combustion gas is being fired
Radiation produced by burning portion 4 burns is projected by the bottom opening of atmospheric pressure storehouse 73, medium pressure storehouse 72 and the atmospheric pressure storehouse
73 are not present gas exchanges.
The casing is integrally the cylinder of circular in cross-section, and the atmospheric pressure storehouse 73 is located at the centre position of casing 7, under
The combustion section 4 of the anti-raw device of end opening face radiation, medium pressure storehouse 72 are distributed in the upside of atmospheric pressure storehouse 73, the high-pressure chamber
71 are distributed in the both sides of atmospheric pressure storehouse 73, and the high-pressure chamber 71 of both sides is communicated with each other with large-diameter circular passage, air-blast device 74
The high-pressure chamber 71 for being connected only to side forms the equipressure of both sides high-pressure chamber 71.
The casing 7 of cylinder is installed on the outside of multiple radiation generators being placed in parallel, and multiple radiation generators is linked
Work, the radiating surface of multiple radiation generators is connected into the large radiation face of an entirety.
In practice, canned natural gas injects reverse infrared radiation with gas nozzle through three sections of decompressions from combustion gas inlet 11
Generator, the pressure control at gas nozzle end is 3 kPas.Under Venturi effect, negative pressuren zone is formed towards both sides in nozzle,
The drainage surrounding air of entrance port 1 pours into the induction tunnel 2 of reverse infrared radiation generator from the air inflow aperture 12 of entrance port 1.
Air stream and natural gas flow form pre-mixing gas combustion in the compression of the mixing unit 21 of induction tunnel 2, and pre-mixing gas combustion enters in the diffusion part 22 of induction tunnel 2
The row first stage spreads；Pre-mixing gas combustion enters diffusion storehouse 3 by the diffusion part 22 of induction tunnel 2, and second is carried out in the diffusion epimere space of storehouse 3
Stage spreads, and is deposited on flow distribution plate 31 and forms the 3rd section of diffusion by tap hole 32, even into the radiation under flow distribution plate 31
In the burner port of ceramic burner plate 41, igniter 42 lights radiation ceramic burner plate 41, measures pre-mixing gas combustion in burner port lower end
Flameless combustion at 2-3cm.The air mixture for not having completely burned is ignited again in the metal surface of combustion-supporting net 43 of high temperature, with
Thermal updrafts and input air-flow from top to bottom reach dynamic equilibrium, are stranded in completely burned in combustion bin 44, make incidence
The input speed and total combustion speed of premixed gas reach balance, and radiation area is radiated.
Air stream blasts the high-pressure chamber 71 of casing after the purification of peripheral hardware air-blast device, pressure in the storehouse of high-pressure chamber 71 is more than greatly
Air pressure, thus, both sides high-pressure chamber 71 import air by the through hole 76 of the side wall of atmospheric pressure storehouse 73 into atmospheric pressure storehouse 73, because of air
Radiation generator in storehouse 73 is pressed to carry out combustion reaction, temperature be higher than the temperature of high-pressure chamber 71, therefore the importing air of high-pressure chamber 71 is formed pair
Radiator induction tunnel 2, the cooling wind of the outer metal housing of storehouse 3 and combustion section 4 is spread, and by the storehouse bottom opening export of atmospheric pressure 73；
Pressure is more than pressure in the storehouse in middle pressure storehouse 72 in the storehouse of high-pressure chamber 71, therefore high-pressure chamber 71 presses storehouse 72 to import air by the centering of air port 75
Stream serves as the combustion-supporting air flow of the importing of entrance port 1, thus, although spatially atmospheric pressure storehouse 73 and middle pressure storehouse 72 pass through high-pressure chamber 71
Link up, but because in the storehouse of high-pressure chamber 71 air pressure be more than middle pressure storehouse 72 and atmospheric pressure storehouse 73, realize middle pressure storehouse 72 and atmospheric pressure storehouse
Gas exchanges are not present in 73, realize it is middle pressure storehouse 72 in combustion-supporting air flow and atmospheric pressure storehouse 73 in cooling air stream it is complete
Full shunting.Air pressure is more than atmospheric pressure in the middle pressure storehouse of storehouse 72, therefore the dust in extraneous air will not therefrom press storehouse 72 and peripheral hardware combustion gas
Storehouse 72 is pressed in entering in the fine gap of feedway junction and is thus entered from entrance port 1 inside radiation generator.So as to
It ensure that in the pre-mixing gas combustion of radiation generator input there is no dust substantially on the whole.
Because radiation generator temperature is up caused by burning, the cooling wind imported by high-pressure chamber 71 is to induction tunnel 2, combustion section
4 outer walls are cooled down.The air intake vent 51 of cooling bath 5 of the shell of cooling wind spontaneous combustion portion 4 enters, and is discharged from the air-vent 52 of cooling bath 5,
Negative pressure space is formed at radiation area edge, produces negative pressure drainage effect.The water in the burning waste gas and material of radiation area is driven to steam
Gas moves to negative pressuren zone, reaches the exhaust cycle effect of radiation area.Because realize the pre-mixing gas combustion speed ratio prior art of input
Slow is more, and fuel gas buring is very complete, after testing, does not almost have carbon monoxide and nitrogen oxides in combusted air, reaches
The expection technique effect of energy-saving and emission-reduction.
It is described above, only it is one embodiment of the present invention, the present invention is not only restricted to the limitation of above-described embodiment, all foundations
Similar modification, change and the replacement that the technical spirit of the present invention is made to above-described embodiment, still fall within technical scheme
In the range of.Protection scope of the present invention is only defined by tbe claims.
Claims (15)
1. a kind of reverse gas infrared radiation device, including casing and radiation generator, the casing is installed on the radiation hair
On the outside of raw device, the radiation generator includes entrance port, induction tunnel and combustion section, the entrance port connection peripheral hardware fuel gas supply dress
Put, combustion gas is injected with small-power gas nozzle, air is imported in a manner of combustion gas injection；Air and combustion gas are formed in advance in induction tunnel
Mixed combustion gas, burns in the combustion section；
It is characterized in that：The casing includes atmospheric pressure storehouse and high-pressure chamber, and the high-pressure chamber connection air-blast device blasts cooling wind,
Air pressure in the storehouse of the high-pressure chamber is made to be more than atmospheric pressure, the high-pressure chamber connects the atmospheric pressure storehouse by aperture；The air
The bottom opening and extraneous air for pressing storehouse are linked up, and make air pressure in the storehouse of the atmospheric pressure storehouse be equal to atmospheric pressure, the combustion section produces
Radiation by atmospheric pressure orlop portion project；The induction tunnel, the combustion section is in the atmospheric pressure storehouse.
A kind of 2. gas infrared radiation device reverse as claimed in claim 1, it is characterised in that：The radiation generator include into
Loophole, induction tunnel and combustion section；The entrance port includes combustion gas inlet and air inflow aperture, and the combustion gas inlet is provided with small
Power gas nozzle connects outer combustion gas feedway, and combustion gas is sprayed by the small-power gas nozzle from the combustion gas inlet
Enter within the entrance port；The induction tunnel connects the entrance port, and the air and combustion gas that the entrance port imports draw described
Penetrate and pre-mixing gas combustion is formed in pipe, the induction tunnel connects the combustion section, and the combustion section is provided with igniter, and pre-mixing gas combustion is by institute
State induction tunnel and import the combustion section, lighted by the igniter, burnt in the combustion section, to being produced immediately below the combustion section
Raw infrared radiation；The induction tunnel and the outer wall of combustion section carry out continuing cooling by blasting cooling wind；Also include heat build-up baffle plate,
The heat build-up baffle plate is located at the combustion section lower edge.
A kind of 3. gas infrared radiation device reverse as claimed in claim 2, it is characterised in that：The casing is that section is rounded
Cylinder, for the atmospheric pressure position in storehouse in casing centre position, the high-pressure chamber is distributed in atmospheric pressure storehouse both sides.
A kind of 4. gas infrared radiation device reverse as claimed in claim 3, it is characterised in that：The casing is installed on multiple flat
On the outside of the radiation generator that row is placed.
A kind of 5. gas infrared radiation device reverse as described in any one of claim 2 to 4, it is characterised in that：The casing is also
Including middle pressure storehouse, in medium pressure storehouse, medium pressure storehouse passes through air port and the high pressure for the entrance port of the radiation generator
Storehouse is connected, and high-pressure chamber connection air-blast device blasts cooling wind, and the air-blast device port is provided with purifier purification drum and such as entered
The dust in wind is cooled down, air pressure is more than atmospheric pressure in the storehouse in medium pressure storehouse, and medium pressure storehouse and the atmospheric pressure storehouse are not present
Gas exchanges.
A kind of 6. gas infrared radiation device reverse as claimed in claim 5, it is characterised in that：Medium pressure storehouse and the high pressure
The air port that storehouse is connected includes shield, can be by adjusting the flexible size for changing the air port of shield.
A kind of 7. gas infrared radiation device reverse as claimed in claim 6, it is characterised in that：The radiation generator combustion section
Outer wall is provided with cooling bath, and the cooling bath upper end is provided with air intake vent, and the cooling bath lower end is provided with air-vent, the air intake vent by
Blower fan blasts cooling air-flow, and cooling air-flow is discharged by the air-vent from cooling bath, and the air-vent is towards ground, in Vertical Square
To with an oblique angle.
A kind of 8. gas infrared radiation device reverse as claimed in claim 6, it is characterised in that：The radiation generator induction tunnel
Including fin, the rounded tab projection in fin outer, the fin is evenly distributed on injection pipe outer wall.
A kind of 9. gas infrared radiation device reverse as claimed in claim 6, it is characterised in that：The radiation generator induction tunnel
From top to bottom include mixing unit and diffusion part, the mixing unit is vertical hollow cylinder, and the diffusion part is vertical hollow cone
Shape cylinder, there is 8 ° of the oblique angle that leans outward between vertical direction and mixing unit.
A kind of 10. gas infrared radiation device reverse as claimed in claim 6, it is characterised in that：The radiation generator also wraps
Diffusion storehouse is included, between the induction tunnel and the combustion section, the diffusion storehouse outer wall is blown the diffusion bin location by blower fan
Enter to cool down wind and persistently cool down, the diffusion storehouse includes flow distribution plate, and the flow distribution plate is provided with tap hole, the tap hole longitudinal direction
Through the flow distribution plate.
A kind of 11. gas infrared radiation device reverse as claimed in claim 6, it is characterised in that：The combustion of the radiation generator
Burning portion includes radiant combustion ceramic wafer, and the radiant combustion ceramic wafer is provided with the burning of longitudinally through radiant combustion ceramic wafer
Hole.
A kind of 12. gas infrared radiation device reverse as claimed in claim 11, it is characterised in that：The institute of the radiation generator
Stating combustion section bottom also includes combustion-supporting net, and the combustion-supporting net is located under the radiant combustion ceramic wafer, the combustion-supporting net and institute
State and combustion bin is formed between heat build-up baffle plate, the combustion-supporting online distribution through hole.
A kind of 13. gas infrared radiation device reverse as claimed in claim 7, it is characterised in that：The institute of the radiation generator
State cooling bath and extend to the radiant combustion ceramic wafer bottom edge provided with metal bump, the radiant combustion ceramic wafer is by burning
Portion's topside metal wall and the cooling bath metal bump collective effect clamp, and the cooling bath is provided with metal shoulder pole, the gold
Category shoulder pole, which is connected to, spreads storehouse metal outer wall, and the air-flow in the cooling bath directly contacts the radiant combustion ceramic wafer outer wall.
A kind of 14. reverse gas-fired radiation method, it is characterised in that specifically include following steps：
Step 1：Combustion gas is injected to entrance port, combustion air is imported from entrance port in a manner of negative-pressure ejecting；
Step 2：Pre-mixing gas combustion is formed in induction tunnel with combustion air and combustion gas；
Step 3：Pre-mixing gas combustion is made to be burnt in combustion section；
Step 4：Make induction tunnel and combustion section be in the atmospheric pressure bin of bottom opening, make high-pressure chamber pass through aperture and atmospheric pressure storehouse
Connection；
Step 5：Importing air to high-pressure chamber makes high-pressure chamber air pressure be more than atmospheric pressure, forms the sky that atmospheric pressure storehouse is imported from high-pressure chamber
Air-flow, form the cooling wind to the induction tunnel in atmospheric pressure storehouse and combustion section outer wall.
15. a kind of reverse gas-fired radiation method described in claim 14, it is characterised in that：
The step 4 is specially：Entrance port is in middle pressure storehouse, and induction tunnel and combustion section are in the atmospheric pressure bin of bottom opening,
High-pressure chamber is connected by aperture with atmospheric pressure storehouse, and high-pressure chamber is connected by air port with middle pressure storehouse；
The step 5 is specially：Importing air to high-pressure chamber makes high-pressure chamber air pressure be more than atmospheric pressure, from high-pressure chamber to atmospheric pressure storehouse
Air stream is imported, forms the cooling wind to the induction tunnel in atmospheric pressure storehouse and combustion section outer wall；Imported from high-pressure chamber to middle pressure storehouse
Pressure storehouse air pressure is slightly larger than atmospheric pressure in air stream order, forms the combustion air for importing entrance port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310883.6A CN104930508B (en) | 2014-03-20 | 2014-07-02 | Reverse gas infrared radiation device and reverse gas-fired radiation method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014101048440 | 2014-03-20 | ||
| CN201410104844 | 2014-03-20 | ||
| CN201410310883.6A CN104930508B (en) | 2014-03-20 | 2014-07-02 | Reverse gas infrared radiation device and reverse gas-fired radiation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104930508A CN104930508A (en) | 2015-09-23 |
| CN104930508B true CN104930508B (en) | 2018-02-02 |
Family
ID=54117790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410310883.6A Active CN104930508B (en) | 2014-03-20 | 2014-07-02 | Reverse gas infrared radiation device and reverse gas-fired radiation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104930508B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105276584A (en) * | 2014-06-09 | 2016-01-27 | 上海蓝炽热能科技有限公司 | Reverse fuel gas radiation device and method |
| CN106568320A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared radiation device |
| CN106568319A (en) * | 2015-10-13 | 2017-04-19 | 上海蓝炽热能科技有限公司 | Non-contact infrared radiation system |
| CN108644770A (en) * | 2018-04-12 | 2018-10-12 | 上海蓝炽热能科技有限公司 | Reverse gas infrared radiation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723842Y (en) * | 2004-05-25 | 2005-09-07 | 张仲凌 | Gas burning infrared radiation burner |
| RU2348863C2 (en) * | 2007-03-27 | 2009-03-10 | Закрытое Акционерное Общество "Лендорстрой-2" | Flameless infra-red heater |
| CN201680598U (en) * | 2010-03-16 | 2010-12-22 | 郑乐斌 | Negative-pressure infrared combustion device |
| CN203464655U (en) * | 2013-07-18 | 2014-03-05 | 成田燃具（上海）有限公司 | Wide cooling-type infrared ray combustor |
| CN203980277U (en) * | 2014-03-20 | 2014-12-03 | 上海蓝炽热能科技有限公司 | Reverse gas infrared radiation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60178208A (en) * | 1984-02-23 | 1985-09-12 | Osaka Gas Co Ltd | Far infrared ray radiation burner |
-
2014
- 2014-07-02 CN CN201410310883.6A patent/CN104930508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723842Y (en) * | 2004-05-25 | 2005-09-07 | 张仲凌 | Gas burning infrared radiation burner |
| RU2348863C2 (en) * | 2007-03-27 | 2009-03-10 | Закрытое Акционерное Общество "Лендорстрой-2" | Flameless infra-red heater |
| CN201680598U (en) * | 2010-03-16 | 2010-12-22 | 郑乐斌 | Negative-pressure infrared combustion device |
| CN203464655U (en) * | 2013-07-18 | 2014-03-05 | 成田燃具（上海）有限公司 | Wide cooling-type infrared ray combustor |
| CN203980277U (en) * | 2014-03-20 | 2014-12-03 | 上海蓝炽热能科技有限公司 | Reverse gas infrared radiation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104930508A (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104930508B (en) | Reverse gas infrared radiation device and reverse gas-fired radiation method | |
| CN106122945A (en) | A kind of low-NOx coal powder system and method | |
| CN104930511B (en) | Reverse infra-red radiation generators | |
| CN203963933U (en) | Reverse gas-fired radiation generator | |
| CN105299645B (en) | Using reverse infrared radiation generator to the method for material radiant-heat drying | |
| CN204786396U (en) | A self preheat formula naked light nozzle for oxygen boosting burning | |
| CN209024592U (en) | Reduce the radiant tube heating system of discharged nitrous oxides | |
| CN104132343A (en) | Radiant tube combustor | |
| CN108386837B (en) | Flameless burner control system, flameless low NOx burner and control method thereof | |
| CN203980277U (en) | Reverse gas infrared radiation device | |
| CN203980279U (en) | Reverse gas-fired radiation device | |
| CN105509055A (en) | All-weather windproof gas diffusion burner | |
| CN204880114U (en) | Reverse infrared generator | |
| CN205425764U (en) | Non -contact infrared system | |
| CN205746815U (en) | Low-NOx coal powder system | |
| CN103900088B (en) | A kind of kitchen range air blast burner | |
| CN106568084A (en) | Non-contact infrared emitter | |
| CN204042897U (en) | Lead flame tube burner | |
| CN104930512B (en) | Reverse gas-fired radiation generator | |
| CN105276584A (en) | Reverse fuel gas radiation device and method | |
| CN203940430U (en) | A kind of and the matching used air blast burner of kitchen range | |
| CN205119760U (en) | Non -contact infrared device | |
| CN106348578A (en) | Forced-convection fuel gas toughening furnace | |
| CN210374525U (en) | Natural gas hot blast stove device suitable for grain drying-machine | |
| CN205119060U (en) | Non -contact infra -red transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |