CN105782971A - Efficient energy-saving environment-friendly pre-burning burner - Google Patents
Efficient energy-saving environment-friendly pre-burning burner Download PDFInfo
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- CN105782971A CN105782971A CN201610273485.0A CN201610273485A CN105782971A CN 105782971 A CN105782971 A CN 105782971A CN 201610273485 A CN201610273485 A CN 201610273485A CN 105782971 A CN105782971 A CN 105782971A
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- oxygen
- burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/38—Nozzles; Cleaning devices therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/44—Preheating devices; Vaporising devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Supply (AREA)
Abstract
The invention discloses an efficient energy-saving environment-friendly pre-burning burner which is simple in structure, higher in heat burning rate of fuel and more energy-saving and environment-friendly. The efficient energy-saving environment-friendly pre-burning burner comprises a pre-burner, an igniter, an air inlet pipe and at least one fuel jetting device, wherein the air inlet pipe and the at least one fuel jetting device are communicated with the pre-burner; and the pre-burner comprises a pre-burning chamber and an air spraying chamber which are communicated, the pre-burning chamber is communicated with all fuel jetting devices and the air inlet pipe, the right end of the air spraying chamber is opened, the air spraying chamber is in a step shape, and the left end of the air spraying chamber is a large end. The ignition end of the igniter is located in the pre-burner, each fuel jetting device comprises a fuel spraying nozzle and an oil supply pipe, each fuel spraying nozzle is located on the side wall of the pre-burner, the fuel spraying nozzles are arranged in the pre-burner, and the left end of each fuel spraying nozzle is communicated with the corresponding oil supply pipe. The efficient energy-saving environment-friendly pre-burning burner further comprises an air blower, a vent pipe and an air bin, the vent pipe is communicated between the air blower and the air bin, the vent pipe is communicated between the air bin and the pre-burner, and the air bin is arranged on the outer wall of the pre-burner.
Description
Technical field
The present invention relates to a kind of pre-burners, it particularly relates to a kind of simple in construction, the heat combustion rate of fuel oil is higher, more the pre-burner of the highly effective energy-conserving environmental-protecting type of energy-conserving and environment-protective.
Background technology
In recent years, haze weather, acid rain and dust pollution have had a strong impact on daily life and healthy.Due to the particularity of China's energy resource structure, the Industrial Boiler of China is based on fire coal, and industry coal-boiler is the main source that haze produces.How to utilize resource efficiently and reduce pollution to greatest extent, becoming a pendulum urgent task in face of us.Natural gas instead of coal status in urban industry as cleaning fuel gradually due to its good environmental protection and energy saving effect.But at present Industrial Boiler is open combustor using the combustor of combustion gas, technology yet suffers from, owing to air-fuel ratio distribution inequality causes fuel combustion insufficient and the phenomenon of waste of fuel, too increasing the discharge of flue gas nuisance simultaneously.
Summary of the invention
For above deficiency, the invention provides a kind of simple in construction, the heat combustion rate of fuel oil is higher, the pre-burner of the highly effective energy-conserving environmental-protecting type of energy-conserving and environment-protective more, it includes pre-burners and lighter, and the least one set fuel injector being connected with described pre-burners respectively and blast pipe, the firing tip of described lighter is positioned at pre-burners, it is characterized in that, also include aerator, ventilation duct and air bin, described ventilation duct connects between aerator and air bin, described blast pipe connects between air bin and pre-burners, described air bin is arranged on the outer wall of pre-burners.
In order to realize the present invention further, described air bin is looped around the outer wall of pre-burners.
In order to realize the present invention further, the longitudinal axis cross section of described air bin is annular.
In order to realize the present invention further, the centre of described pre-burners is provided with the precombustion chamber and nozzle chamber that are interconnected, and described precombustion chamber connects with each described fuel injector and described blast pipe respectively, and the right-hand member of nozzle chamber is that opening is arranged.
In order to realize the present invention further, described nozzle chamber is step-like, and its left end is big end.
In order to realize the present invention further, it is additionally provided with dividing disc in described pre-burners, it is connected between described dividing disc and blast pipe, dividing disc is longitudinally disposed, dividing disc is provided with at least two exhaust vent that left and right is through, described all exhaust vents are to left connection blast pipe, to the right along the diffusion of dividing disc disk body branch.
In order to realize the present invention further, all exhaust vents are in equally spaced branch's diffusion equably.
In order to realize the present invention further, the centre of described dividing disc is additionally provided with the oxygen supply channel that left and right is through, and described oxygen supply channel is positioned at the middle position of dividing disc, and the left end of described oxygen supply channel is connected with blast pipe, and the bore of oxygen supply channel is less than the bore of blast pipe.
In order to realize the present invention further, described oxygen supply dish also includes the ventilating duct being installed in pre-burners, the left end of described ventilating duct is communicated to blast pipe, ventilating duct bore is less than the bore of blast pipe, the right-hand member of ventilating duct is connected to dividing disc, described oxygen supply channel and all exhaust vents are all communicated to ventilating duct, and the bore of oxygen supply channel is less than the bore of ventilating duct.
In order to realize the present invention further, in the shape of a spiral, the link part of described fuel feed pump and fuel nozzle is tubular magnetic part to the inwall of the outlet air end of described blast pipe.
Beneficial effects of the present invention:
1, the fuel feeding assembly of the present invention includes three groups of fuel injectors, often organize fuel feed pump and the fuel nozzle that fuel injector includes being interconnected, all fuel nozzles are triangle disposition distribution, so can so that the pillar injection of fuel oil becomes the three-dimensional injection of planar, the air improved and the contact area of fuel oil so that the burning of fuel oil is more fully rapidly；It addition, the fuel oil of the injection between fuel nozzle clashes mutually, formation is splashed, it is possible to fuel oil is further refined, thus the contact area of the air improved further and fuel oil so that the burning of fuel oil is more fully rapidly；Further, one of them fuel nozzle is positioned at the oxygen supply channel of oxygen supply dish, the jet hole of described fuel nozzle is concordant with the right side in oxygen supply hole so that the hot blast that high speed and high pressure High Temperature Rotating is fed forward contacts more fully with fuel oil, accelerates its fuel；The fuel feed pump being positioned at blast pipe is embedded with magnetic material so that the micel of the fuel oil being added with liquid alcohol ester synthetic catalyst in fuel feed pump diminishes and quickens, in order under strong magnetic field action, the ejection of ordered arrangement more.
2, the air feeding assembly of the present invention includes aerator, ventilation duct, air bin and blast pipe, ventilation duct connects between aerator and air bin, blast pipe connects between air bin and pre-burners, air bin is arranged on the outer wall of pre-burners, air bin is utilized can the air that enter in pre-burners to be preheated, to be rapidly achieved the air temperature conditions of fuel oil burning, thus reducing the energy consumption to air heating；It addition, air bin is looped around the outer wall of pre-burners, it is possible to further speed up preheating of air so that the temperature entering the air in pre-burners is more nearly the temperature of fuel combustion.
3, being provided with the oxygen supply dish that can air be refined in the pre-burners of the present invention, oxygen supply dish is provided with oxygen supply channel, when fuel nozzle sprays fuel oil, the helical form gas sky of fuel oil and High Temperature High Pressure is fully contacted, so that fuel oil more fully ignites rapidly；Additionally, oxygen supply dish is provided with several exhaust vent, all exhaust vents equally spaced spread to right branch equably along the disk body of dividing disc, the inlet air of column is become the three-dimensional inlet air of planar, the air improved further and the contact area of fuel oil, further such that the burning of fuel oil is more fully rapidly；Further, the bore of the bore of the bore of blast pipe, ventilating duct and oxygen supply channel successively decreases successively, so air is carried out secondary pressurized, so that the ejection at a high speed of the flame of high heat；Further, the inwall of the outlet air end of blast pipe is in the shape of a spiral so that high temperature air is that high speed high pressure rotating is fed forward so that with fuel fierceness mixed combustion, improve hot combustion rate.
4, the pre-burners of the present invention is provided with oxygen-enriching device, utilizes oxygen-enriching device can supplement the oxygen of high concentration in pre-burners so that in pre-burners, oxygen content is close to 25%, improves air-fuel ratio further；nullAdditionally，Oxygen-enriching device includes positive pressure source、Sleeve、Oxygen enrichment pipe and negative pressure source，The embedded magnetic material of oxygen uptake part of oxygen enrichment pipe，The strong magnetic line of force is formed around oxygen enrichment pipe，Utilize oxygen in air、The difference of the gas molecule magnetic properties such as nitrogen separates air，The high concentration oxygen obtained flows to motor car engine，Electromotor is allowed to improve the heat combustion rate of fuel，Reach the purpose of energy-saving and emission-reduction，Or oxygen-enriching device includes positive pressure source、Sleeve、Oxygen enrichment pipe、Oxygen uptake film and negative pressure source，By utilizing active oxygen uptake performance and the high molecular polymer principle performance to the selective infiltration of different material of barium，And adopt the high molecular polymer of the baric of the Thief zone performance that oxygen has high adsorption to make oxygen enrichment composite membrane，The high concentration oxygen obtained flows to the precombustion chamber of Industrial Boiler，Further improve the heat combustion rate of fuel，Reach the purpose of energy-saving and emission-reduction；Further, sleeve is additionally provided with gas distribution dish, gas distribution dish is respectively arranged with hole, location and several discharge orifice, the air flow after separating is broadcasted；Also have, oxygen-enriching device, it is spaced, with the layering of filter film, the efficiency further improving enriched in oxygen by oxygen uptake film, utilize filter film that air is cushioned, the oxygen being adsorbed on oxygen uptake film is avoided directly to be blown away, simultaneously by arranging air filter net at barrel bore, with the dust in mistake air filtering in advance and steam.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the installation site cross-sectional schematic of the oxygen supply dish of the present invention；
Fig. 3 is the end view of the oxygen supply dish of the present invention；
Fig. 4 is the structural representation of the oxygenerator of the present invention；
Fig. 5 is the end view of the gas distribution dish of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention being further elaborated, wherein, the direction of the present invention is with Fig. 1 for standard.
As Figure 1-3, the pre-burner of the highly effective energy-conserving environmental-protecting type of the present invention includes pre-burners 1, fuel feeding assembly 2, air feeding assembly 3, lighter 4 and oxygen-enriching device 5, wherein:
Pre-burners 1 adopts metal material to make, and pre-burners 1 includes the precombustion chamber 11 and the nozzle chamber 12 that are interconnected, and precombustion chamber 11 is the cylinder of horizontally set；Nozzle chamber 12 is in step-like, and its left end is big end, the cylinder that every single order is horizontally set of nozzle chamber 12, and the right-hand member of precombustion chamber 11 is connected with the left end of nozzle chamber 12, and the right-hand member of nozzle chamber 12 is that opening is arranged.The left end internal diameter of nozzle chamber 12 is consistent with the internal diameter of precombustion chamber 11, the dead in line of the axis of precombustion chamber 11 and nozzle chamber 12.
Fuel feeding assembly 2 includes three groups of fuel injectors 21, often organize fuel feed pump 211 and the fuel nozzle 212 that fuel injector 21 includes being interconnected, the right-hand member connection fuel nozzle 212 of fuel feed pump 211, the left end of fuel feed pump 211 is communicated to extraneous oil pump, three fuel nozzles 212 are distributed in the sidewall of pre-burners 1 in triangle disposition, and fuel nozzle mouth is positioned at precombustion chamber 11, the central axis of three fuel nozzles 212 is parallel with the axis of pitch of precombustion chamber 11.Fuel nozzle 212 is proposed with atomizing fuel nozzle, and the link part of fuel feed pump 211 and fuel nozzle adopts tubular magnetic material to make.
Air feeding assembly 3 includes aerator 31, ventilation duct 32, air bin 33, blast pipe 34 and oxygen supply dish 35, and aerator 31 is for sending into extraneous air in air bin 33；Ventilation duct 32 connects between aerator 31 and air bin 33, and the connection interface of ventilation duct 32 and air bin 33 is positioned at air bin 33 right-hand member；Air bin 33 is looped around the outer wall of pre-burners 1, between the outer wall of air bin 33 and pre-burners 1, formation longitudinal axis cross section is circular preheating space, the axis of air bin 33, precombustion chamber 11 the dead in line of axis and nozzle chamber 12, air bin 33 and pre-burners 1 are paid the utmost attention to and are integrally formed, and utilize the heat conductivility of pre-burners 1 tube wall to preheat to the air entered in air bin 33；Blast pipe 34 connects between the precombustion chamber 11 of air bin 33 and pre-burners 1, so that the air after preheating is sent in precombustion chamber 11, the interface of blast pipe 34 and precombustion chamber 11 is positioned at the left side wall middle position of precombustion chamber 11, the right part of one of them fuel feed pump 211 is arranged in the tube chamber of the outlet air end of blast pipe 34, forming air-out passage between tube chamber and the outer wall of this fuel feed pump 211 of the outlet air end of this blast pipe 34, the inwall of the outlet air end of this blast pipe 34 is in the shape of a spiral；nullOxygen supply dish 35 is fixedly mounted on the left side wall connection interface position corresponding to blast pipe 34 of precombustion chamber 11，Oxygen supply dish 35 includes ventilating duct 351 and dividing disc 352，Ventilating duct 351 is in horizontally set，The inner chamber of ventilating duct 351 is the cylinder of horizontally set，The left end of ventilating duct 351 is connected to the left side wall of precombustion chamber 11，And safety guard lives in the connection interface of airduct 34 and precombustion chamber 11，Also the interface of airduct 34 and precombustion chamber 11 lived in by safety guard simultaneously，The diameter of ventilating duct 351 is less than the diameter of blast pipe 34，The right-hand member of ventilating duct 351 is connected to dividing disc 352，Dividing disc 352 is longitudinally disposed disk，The dead in line of the axis of dividing disc 352 and ventilating duct 351，Dividing disc 352 is provided with oxygen supply channel 353 and several exhaust vent 354，Oxygen supply channel 353 is positioned at the middle position of dividing disc 352，Oxygen supply channel 353 is the cylinder of horizontally set，Oxygen supply channel about 353 runs through dividing disc 352，And oxygen supply channel 353 is arranged on the concentric circular of dividing disc 352，The left side (air intake vent) of oxygen supply channel 353 communicates with ventilating duct 351，One of them fuel nozzle 212 runs through ventilating duct 351 and oxygen supply channel 353，And its jet hole is concordant with the right side of the oxygen supply channel 353 of dividing disc 352，The diameter of oxygen supply channel 353 is less than the diameter of ventilating duct 351，The through dividing disc 352 of all exhaust vents about 354，The left side (air intake vent) of all exhaust vents 354 communicates with ventilating duct 351，All exhaust vents 354 equally spaced spread to right branch equably along the disk body of dividing disc 352.
Lighter 4 is fixedly mounted on pre-burners 1, and the firing tip of lighter 4 is positioned at the precombustion chamber 11 position corresponding to dividing disc 352 right flank.
Oxygen-enriching device 5 includes oxygenerator 51 and oxygen supply nozzle 52, and as shown in Figure 4 and Figure 5, oxygenerator 51 includes sleeve 511, gas distribution dish 512, oxygen enrichment pipe 513, positive pressure source 514, negative pressure source 515, oxygen uptake film 516, filter film 517 and air filter net 518, wherein:
Sleeve 511 is in horizontally set, and two ends are that opening is arranged around, and the inner chamber of sleeve 511 is cylinder.
Gas distribution dish 512 is longitudinally disposed disk, gas distribution dish 512 is arranged on the air intake vent position (right-hand member) of sleeve 511, the centre of gas distribution dish 512 is provided with hole 5121, location and several discharge orifice 5122, hole 5121, location is positioned at the center of gas distribution dish 512, and all discharge orifices 5122 are to position rounded centered by hole 5121 being spacedly distributed.
Oxygen enrichment pipe 513 horizontally set, oxygen enrichment pipe 513 is closed for left end, the pipe fitting of right-end openings, the middle part of oxygen enrichment pipe 513 is positioned on the hole, location 5121 of gas distribution dish 512, the left end of oxygen enrichment pipe 513 extend into the inner chamber of sleeve 511, its right-hand member stretches out from the hole, location 5121 of gas distribution dish 512 to the right and is connected with oxygen supply nozzle 52, the central axes of the central axis of oxygen enrichment pipe 513 and sleeve 511, it is positioned at the oxygen uptake part that oxygen enrichment pipe 513 is oxygen enrichment pipe 513 of sleeve 511 inner chamber, the oxygen uptake part of oxygen enrichment pipe 513 is provided with several oxygen therapy hole 5131, all oxygen therapy holes 5131 are spacedly distributed on the sidewall of oxygen enrichment pipe 513, the inwall of the oxygen uptake part of oxygen enrichment pipe 513 is provided with magnetic material, the inner chamber of oxygen enrichment pipe 513 is cylinder.
Positive pressure source 514 adopts blower fan, blower fan to be longitudinally disposed, and assembling, in the air intake vent position (left end) of sleeve 511, is blown to the right with the inner chamber along sleeve 511, and the internal diameter size of blower fan is suitable with the internal diameter of sleeve 511.
Negative pressure source 515 adopts vacuum pump, vacuum pump to be arranged on the outlet air end (right-hand member) of oxygen enrichment pipe 513, and vacuum pump is preferably by the vacuum pump of higher-wattage.
Oxygen uptake film 516 adopts the oxygen permeable membrane that the high molecular polymer of the baric of the high osmosis that oxygen has high adsorption is made, oxygen uptake film 516 envelopes the tube wall of the oxygen uptake part of oxygen enrichment pipe 513, and cover all of oxygen therapy hole 5131, oxygen uptake film 516 is utilized to make the Oxygen Adsorption entering in the air in sleeve 511 on oxygen uptake film 516, and the nitrogen in air is directly through oxygen uptake film 516, discharge eventually through discharge orifice 5122.
Filter film 517 is coated on the outer surface of oxygen uptake film 516, filter film 517 can play the effect of buffering, to avoid the oxygen being adsorbed on oxygen uptake film 516 excessively to be blown away via discharge orifice 5122, to improve the content of oxygen, oxygen uptake film 516 and filter film 517 are filled up completely with the gap between sleeve 511 inwall and oxygen enrichment pipe 513.
Air filter net 518 is arranged in the inner chamber of sleeve 511, and between filter film 517 and blower fan, air filter net 518 adopts general filtering material to make, and to be previously formed one barrier at filter film 517, is used for the dust in air filtering and steam.
Additionally, the oxygen uptake film 516 of the present invention and filter film 517 can adopt the structure of MULTILAYER COMPOSITE, namely multilamellar oxygen uptake film 516 is spaced neat with the layering of multilamellar filter film 517, air is flowed into oxygen enrichment pipe 513 from outermost filter film 517, oxygen denuded air flows out discharge from outermost filter film 517, air filter net 518, the quantity of oxygen uptake film 516 and filter film 517 can according to actual oxygen concentration need configuration.
Oxygen supply nozzle 52 connects vacuum pump, and oxygen supply nozzle 52 is fixedly mounted on pre-burners 1, and precombustion chamber 11 position corresponded to, to compensate oxygen in precombustion chamber 11, thus improving the combustion rate of fuel oil.
nullThe oxygen nitrogen separating and combining membrane oxygen enrichment technology of the present invention and magnetic guiding technology，Namely so-called membrane oxygen enrichment technology is the principle performance utilizing polymer compound film to the selective infiltration of different material，And adopt the composite membrane oxygen enrichment composite membrane that oxygen is had Thief zone performance，Regular air is blown by blower fan and is entered the inner chamber of sleeve 511，The oxygen uptake film 516 location oxygen uptake part of oxygen enrichment pipe 513 (oxygen uptake film 516 outsourcing wrap) is in high-pressure side relative to the right-hand member of oxygen enrichment pipe 513，The right-hand member of oxygen enrichment pipe 513 is because external vacuum pump is in low-pressure side，The air entered in the inner chamber of air-casing cylinder 511 is affected by pressure，Oxygen and nitrogen in air pass through oxygen uptake film 516 under the driving of pressure differential，Owing to oxygen uptake film 516 allows oxygen molecule bigger than nitrogen molecular transmitance selectively，Result oxygen concentration in the air that oxygen uptake film 516 low pressure side is collected increases，Oxygen-enriched air is entered in oxygen enrichment pipe 513 by the oxygen therapy hole 5131 of oxygen enrichment pipe 513 left end，And finally discharged by the right-hand member of oxygen enrichment pipe 513，Oxygen denuded air flows out through filter film 517，And discharge via discharge orifice 5122.
The embedded magnetic material of oxygen uptake part of so-called magnetic guiding technology this oxygen enrichment pipe 513 i.e., to form the strong magnetic line of force in the pipe fitting of the oxygen uptake part of oxygen enrichment pipe 513, utilize oxygen in air, other gas molecules such as the different nitrogen of the gas molecule magnetic properties such as nitrogen are diamagnetic substance, oxygen molecule is paramagnet, oxygen molecule has higher susceptibility, can to the physical characteristic of strong magnetic area flowing in magnetic field, only have in the adsorbed inlet pipe of paramagnetic oxygen molecule when air passes through the oxygen enrichment pipe 513 with high-intensity magnetic field, when the opening of oxygen enrichment pipe 513 connects negative pressure source, the oxygen molecule of absorption is desorbed release, the opening of oxygen enrichment pipe 513 it is delivered to by curing by oxygen therapy hole 31.
The foregoing is only the better embodiment of the present invention, the invention is not limited in above-mentioned embodiment, implementation process would be likely to occur the structural modification that local is small, if to the various changes of the present invention or modification without departing from the spirit and scope of the present invention, and belonging within claim and the equivalent technologies scope of the present invention, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the pre-burner of highly effective energy-conserving environmental-protecting type, it includes pre-burners and lighter, and the blast pipe being connected with described pre-burners respectively and least one set fuel injector, the firing tip of described lighter is positioned at pre-burners, described fuel injector includes fuel nozzle and fuel feed pump, described fuel nozzle is positioned the sidewall of pre-burners, and fuel nozzle mouth is placed in pre-burners, the left end connection fuel feed pump of described fuel nozzle, it is characterized in that, it also includes aerator, ventilation duct and air bin, described ventilation duct connects between aerator and air bin, described blast pipe connects between air bin and pre-burners, described air bin is arranged on the outer wall of pre-burners.
2. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 1, it is characterised in that described air bin is looped around the outer wall of pre-burners, the longitudinal axis cross section of air bin is annular.
3. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 1, it is characterized in that, it also includes oxygen-enriching device, described oxygen-enriching device includes oxygenerator and oxygen supply nozzle, described oxygenerator includes oxygen enrichment pipe and oxygen uptake film, the oxygen uptake part that one end is oxygen enrichment pipe of described oxygen enrichment pipe, the oxygen uptake part of described oxygen enrichment pipe is provided with oxygen therapy hole and this section tubular wall is provided with magnetic material, the other end of described oxygen enrichment pipe connects oxygen supply nozzle, described oxygen uptake film adopts the high molecular polymer of baric to make, described oxygen uptake film wraps up the oxygen uptake part of described oxygen enrichment pipe, described oxygen supply jet hole is arranged at precombustion chamber inner chamber.
4. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 1, it is characterized in that, described pre-burners includes the precombustion chamber and nozzle chamber that are interconnected, and described precombustion chamber connects with each described fuel injector and described blast pipe respectively, and the right-hand member of nozzle chamber is that opening is arranged.
5. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 4, it is characterised in that described nozzle chamber is step-like, its left end is big end.
6. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 1, it is characterized in that, it is additionally provided with dividing disc in described pre-burners, it is connected between described dividing disc and blast pipe, dividing disc is longitudinally disposed, being provided with at least two exhaust vent that left and right is through on dividing disc, described all exhaust vents, to left connection blast pipe, spread along dividing disc disk body to the right.
7. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 6, it is characterised in that described all exhaust vents are in equally spaced branch's diffusion equably.
8. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 6, it is characterized in that, described dividing disc is additionally provided with the oxygen supply channel that left and right is through, described oxygen supply channel is positioned at the middle position of dividing disc, the left end of described oxygen supply channel is connected with blast pipe, and the bore of oxygen supply channel is less than the bore of blast pipe.
9. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 8, it is characterized in that, described oxygen supply dish also includes the ventilating duct being installed in pre-burners, the left end of described ventilating duct is communicated to blast pipe, ventilating duct bore is less than the bore of blast pipe, the right-hand member of ventilating duct is connected to dividing disc, described oxygen supply channel and all exhaust vents and is all communicated to ventilating duct, and the bore of oxygen supply channel is less than the bore of ventilating duct.
10. the pre-burner of the highly effective energy-conserving environmental-protecting type according to right 1, it is characterised in that in the shape of a spiral, the link part of described fuel feed pump and fuel nozzle is tubular magnetic part to the inwall of the outlet air end of described blast pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273485.0A CN105782971B (en) | 2016-04-27 | 2016-04-27 | The pre- burner of highly effective energy-conserving environmental-protecting type |
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| CN201610273485.0A CN105782971B (en) | 2016-04-27 | 2016-04-27 | The pre- burner of highly effective energy-conserving environmental-protecting type |
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| CN105782971A true CN105782971A (en) | 2016-07-20 |
| CN105782971B CN105782971B (en) | 2018-11-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028449A (en) * | 2021-02-26 | 2021-06-25 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Streamline fuel flow distribution disc of fuel gas generator |
| CN113028449B (en) * | 2021-02-26 | 2023-03-17 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Streamline fuel flow distribution disc of fuel gas generator |
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| CN105782971B (en) | 2018-11-13 |
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