CN203454133U - Dual-preheating type blast combustor - Google Patents
Dual-preheating type blast combustor Download PDFInfo
- Publication number
- CN203454133U CN203454133U CN201320433182.2U CN201320433182U CN203454133U CN 203454133 U CN203454133 U CN 203454133U CN 201320433182 U CN201320433182 U CN 201320433182U CN 203454133 U CN203454133 U CN 203454133U
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- China
- Prior art keywords
- pipe
- gas
- air
- wind
- nozzle
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- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Spray-Type Burners (AREA)
Abstract
The utility model relates to a dual-preheating type blast combustor which comprises an air pipe. An inlet of the air pipe is connected with a compression fan which is connected with an air door, and an outlet of the air pipe is connected with a gas and air mixing pipe. A fire ejecting opening is formed in the end portion of the gas and air mixing pipe. A fire observing hole is formed in the upper end of the outlet of the air pipe, and an ignition opening is formed in the lower end of the outlet of the air pipe. An air plate is embedded into the joint of the outlet of the air pipe and the gas and air mixing pipe, and a nozzle is installed in the middle of the air plate and connected with a gas supply pipe through a guide pipe, wherein the gas supply pipe is connected with a gas supply valve. The blast combustor has the advantages that gas ejecting pressure is increased, combustion is more sufficient and faster, and combustion efficiency is improved; multiple measures are taken to prevent condensed fluid in the guide pipe from generating so as to prevent erosion on pipelines and waste of resources; an electric heating base is used for direct heating, the equipment structure is simple, and standardized production and installation can be achieved; the blast combustor can be suitable for various combustible gas combustion devices and installation and operation are convenient to carry out; temperature can be adjusted and controlled, and the energy-saving effect is good.
Description
Technical field
The utility model relates to a kind of gas combustion apparatus, is specifically related to a kind of pair of preheating type blast burner.
Background technology
At present, energy-conservation and environment-friendly fuel is the target that human society is pursued, and imflammable gas is high, easy to use, the resourceful energy of a kind of thermal efficiency, has been widely used in industrial production and domestic life.At present, the burner using on market, easily forms condensate liquid in body during burning, easily cause the wasting of resources, be generally air-cooling system, the gas at normal temperature of can only burning, is not suitable for the vaporized lpg burning of HTHP, once use burner combustion high-temperature gas, because producing condensate liquid, make flame be difficult to control, hold fire hazardous, bring danger to staff's personal safety, cause casualties and property loss.
Utility model content
The purpose of this utility model is: the problem existing for above-mentioned prior art, proposes a kind of efficiency of combustion high, safe and reliable two preheating type blast burners.
The technical scheme that the utility model solves above technical problem is:
A pair preheating type blast burner, comprises airduct, and the import of described airduct is connected with the compression fan that is connected to air door, outlet is connected with gas wind mixing tube, the end of described gas wind mixing tube is provided with bocca, and the upper end of described wind tube outlet is provided with flame-observing hole, and lower end is provided with lighting-up tuyere; Outlet and gas wind mixing tube junction at described airduct are embedded with wind dish, and nozzle is installed at the middle part of described wind dish, and described nozzle is connected with the air supply pipe that is connected to steam supply valve by conduit.
Like this, vaporization oil and air, under the rotarily driving of wind dish, mix more full and uniformly, adjust fuel gas pressure, and adjust wind speed by air door by steam supply valve opening angle, to reach desirable fired state, have reduced CO, NO
xdischarge, energy-saving and emission-reduction.
The technical scheme that the utility model further limits is:
Aforesaid pair of preheating type blast burner, wherein said conduit is the pipeline that is spirally coiled in airduct inside, described airduct has the electrical heating base fitting with its bottom, and described electrical heating base is provided with temperature sensor, and described electrical heating base is provided with thermostat relay.Wherein electrical heating base is U-shaped.
At BOD, be provided with electrical heating base, solved the defect that working medium (conduction oil) conducts heat, avoided again the electromagnetic induction phenomenon that uses heat tape to produce, and then avoided burner pressure to strengthen, only needing to start electrical heating base can heat vaporized lpg and air, it is controlled that temperature is adjustable, power is large, and danger coefficient is little, and the efficiency of heating surface is high, reach comparatively desirable two preheat modes, further avoided the condensate liquid of supply air line to generate.
Aforesaid pair of preheating type blast burner, the spacing of the expansion spacing of wherein said adjacent two helical pipes and helical pipe and airduct tube wall is 5～10mm.
Aforesaid pair of preheating type blast burner, in the middle of wherein said wind dish comprises, annulus and circumferential even cloth, at one group of impeller in middle annulus outside, arrange nozzle in annulus in the middle of described wind dish.
Aforesaid pair of preheating type blast burner, wherein said wind dish is rotary wind wind dish, has certain angle (angle is 30～45 °) between the rotary wind of its ejection and nozzle, forms negative pressuren zone in nozzle the place ahead.Because nozzle the place ahead exists negative pressuren zone, fuel gas is more easily sprayed, shortened closer the time of staying of high-temperature steam in conduit, prevent from generating condensate liquid.
Aforesaid pair of preheating type blast burner, has one group of spray orifice on wherein said nozzle, the gross area of described spray orifice account for liquefied gas air blast burner total area of nozzle hole 70% or natural gas air blast burner total area of nozzle hole 50%.Each nozzle is provided with 1～5 spray orifice, and the gross area of spray orifice is 0.9～4.5mm
2.
Aforesaid pair of preheating type blast burner, wherein said gas wind mixing tube is the large conical pipe in the young end, its tapering is 30～45 °.Because gas wind mixing tube has certain tapering, further improve the pressure of mist ejection.Separately, the afterbody of airduct is infundibulate, and its blast is 0.2MPa, and the gas flow of air supply pipe (conduit) is 5～500 kgs/hour.Because gas wind mixing tube has certain tapering, can further improve the pressure of mist ejection.
Aforesaid pair of preheating type blast burner, has the gradient of 90 °～180 ° between wherein said described conduit and air supply pipe.
Aforesaid pair of preheating type blast burner, wherein said airduct is high temperature resistant seamless steel pipe, gas wind mixing tube is high-temperature resistant silicon carbide pipe.
Advantage of the present utility model: (1) has increased gas ejection pressure, makes burning more abundant rapid, has improved efficiency of combustion, avoids producing Huang Yan etc.; (2) take many kinds of measures to prevent the generation of conduit inner condensat liquid, thereby avoided the erosion of pipeline and the wasting of resources; (3) use electrical heating base directly to heat, simple in equipment, can standardized production and installation, accomplishes gas supply under constant pressure, simple to operateization; (4) can adapt to various combustible gas combustion devices, fitting operation is convenient; (5) temperature is adjustable controlled, and energy-saving effect is better; (6) not only can be used for normal temperature gas fuel burning, also can be used for the burning of high-temperature evaporation oil gas.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is the structural representation of an embodiment of the utility model.
The specific embodiment
Embodiment mono-
Two preheating type blast burners of the present embodiment, structure as shown in Figure 1, comprise airduct 9, the import of airduct 9 is connected with the compression fan 11 that is connected to air door 10, and outlet is connected with gas wind mixing tube 2, the end of gas wind mixing tube 2 is provided with bocca 1, the upper end of airduct 9 outlets is provided with flame-observing hole 5, and lower end is provided with lighting-up tuyere 6, in outlet and gas wind mixing tube 2 junctions of airduct 9, is embedded with wind dish 4, nozzle 3 is installed at the middle part of wind dish 4, and nozzle 3 is connected with the air supply pipe 13 that is connected to steam supply valve 12 by conduit.Wherein, conduit is the helical pipe 14 that is spirally coiled in airduct inside, and the spacing of the expansion spacing of adjacent two helical pipes and helical pipe and airduct tube wall is 5～10mm, has the gradient of 90 °～180 ° between helical pipe 14 and air supply pipe 13.Airduct 9 has the electrical heating base 8 fitting with its bottom, and electrical heating base 8 is provided with temperature sensor 7, and electrical heating base 8 is U-shaped, and its area accounts at least 35～60% of airduct surface area.In the middle of wind dish 4 comprises, annulus and circumferential even cloth, at one group of impeller in middle annulus outside, arrange nozzle 3 in annulus in the middle of wind dish.Wind dish 4 is rotary wind wind dish, between the rotary wind of its ejection and nozzle 3, has the angle of 30～45 °, to form negative pressure, and then forms negative pressuren zone in nozzle 3 the place aheads.On nozzle 3, there is one group of spray orifice, the gross area of spray orifice account for liquefied gas air blast burner total area of nozzle hole 70% or natural gas air blast burner total area of nozzle hole 50%.Gas wind mixing tube 2 is the large conical pipe in the young end, and its tapering is 30～45 °.The afterbody of airduct 9 is infundibulate, and its blast is 0.2MPa, air supply pipe 13(conduit) gas flow be 5～500 kgs/hour.The diameter of airduct 9 is 500～750mm.
During work, first set the temperature of electrical heating base 8, open 8 pairs of airducts 9 of electrical heating base and helical pipe 14 and carry out preheating, after reaching design temperature, the temperature of electrical heating base 8 stops heating, start wind dish 4, open air door 10, start compression fan 11, compressed air enters in airduct 9, open steam supply valve 12 simultaneously, imflammable gas enters helical pipe 14 through air supply pipe 13, by nozzle 3, sprayed fast again, gas has increased heating surface area in the interior transportation of helical pipe 14, to avoid forming condensate liquid, under the rotary wind effect that compressed air and imflammable gas produce at wind dish 4, in gas wind mixing tube 2, mix, lighting-up tuyere 6 ignition, flame is through bocca 1 ejection.Wherein airduct 9 bottoms arrange electrical heating base 8, and imflammable gas and air are carried out to preheating, to reach the object of two preheatings.
Embodiment bis-
The difference of the present embodiment and embodiment mono-is, conduit is by being arranged on airduct 9 inside, the fine duct being connected with nozzle 3 and being arranged on outside airduct 9, the thick conduit being connected with air supply pipe 13 forms, wherein fine duct is the helical pipe 14 that is spirally coiled in airduct 9 inside, the spacing of the expansion spacing of adjacent two helical pipes and helical pipe and airduct tube wall is 5～10mm, between helical pipe 14 and thick conduit, there is the gradient of 90 °, internal diameter between thick conduit and helical pipe 14 is than being 10:1, the internal diameter that is thick conduit is 30mm, the internal diameter of helical pipe 14 is 3mm.
In addition to the implementation, the utility model also can have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, drop on the protection domain of the utility model requirement.
Claims (9)
1. a two preheating type blast burner, it is characterized in that: comprise airduct, the import of described airduct is connected with the compression fan that is connected to air door, outlet is connected with gas wind mixing tube, the end of described gas wind mixing tube is provided with bocca, the upper end of described wind tube outlet is provided with flame-observing hole, and lower end is provided with lighting-up tuyere; Outlet and gas wind mixing tube junction at described airduct are embedded with wind dish, and nozzle is installed at the middle part of described wind dish, and described nozzle is connected with the air supply pipe that is connected to steam supply valve by conduit.
2. according to claim 1 pair of preheating type blast burner, it is characterized in that: described conduit is the pipeline that is spirally coiled in airduct inside, described airduct has the electrical heating base fitting with its bottom, described electrical heating base is provided with temperature sensor, and described electrical heating base is provided with thermostat relay.
3. according to claim 2 pair of preheating type blast burner, is characterized in that: the spacing of the expansion spacing of described adjacent two helical pipes and helical pipe and airduct tube wall is 5～10mm.
4. according to claim 1 pair of preheating type blast burner, is characterized in that: in the middle of described wind dish comprises, annulus and circumferential even cloth, at one group of impeller in middle annulus outside, arrange nozzle in annulus in the middle of described wind dish.
5. according to claim 4 pair of preheating type blast burner, is characterized in that: described wind dish is rotary wind wind dish, has certain angle between the rotary wind of its ejection and nozzle, forms negative pressuren zone in nozzle the place ahead.
6. according to claim 5 pair of preheating type blast burner, is characterized in that: on described nozzle, there is one group of spray orifice, the gross area of described spray orifice account for liquefied gas air blast burner total area of nozzle hole 70% or natural gas air blast burner total area of nozzle hole 50%.
7. according to claim 1 pair of preheating type blast burner, is characterized in that: described gas wind mixing tube is the large conical pipe in the young end, and its tapering is 30～45 °.
8. according to claim 1 pair of preheating type blast burner, is characterized in that: between described conduit and air supply pipe, have the gradient of 90 °～180 °.
9. according to claim 1 pair of preheating type blast burner, is characterized in that: described airduct is high temperature resistant seamless steel pipe, and gas wind mixing tube is high-temperature resistant silicon carbide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433182.2U CN203454133U (en) | 2013-07-19 | 2013-07-19 | Dual-preheating type blast combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320433182.2U CN203454133U (en) | 2013-07-19 | 2013-07-19 | Dual-preheating type blast combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203454133U true CN203454133U (en) | 2014-02-26 |
Family
ID=50134005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320433182.2U Expired - Fee Related CN203454133U (en) | 2013-07-19 | 2013-07-19 | Dual-preheating type blast combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203454133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197364A (en) * | 2014-09-25 | 2014-12-10 | 于海路 | Energy-saving aerogenesis device and special liquid fuel for energy-saving aerogenesis device |
-
2013
- 2013-07-19 CN CN201320433182.2U patent/CN203454133U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197364A (en) * | 2014-09-25 | 2014-12-10 | 于海路 | Energy-saving aerogenesis device and special liquid fuel for energy-saving aerogenesis device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190719 |