CN201407653Y - Burning device of oxygen-mixing preheating type fuel burning system - Google Patents
Burning device of oxygen-mixing preheating type fuel burning system Download PDFInfo
- Publication number
- CN201407653Y CN201407653Y CN2009201078366U CN200920107836U CN201407653Y CN 201407653 Y CN201407653 Y CN 201407653Y CN 2009201078366 U CN2009201078366 U CN 2009201078366U CN 200920107836 U CN200920107836 U CN 200920107836U CN 201407653 Y CN201407653 Y CN 201407653Y
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- burner
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- preheating
- fuel
- oil burning
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Abstract
The utility model relates to a burning device of an oxygen-mixing preheating type fuel burning system, which is characterized by comprising a boiler cradle, wherein the boiler cradle is provided withan insulated cylinder; the insulated cylinder is internally provided with a fire tube; a plurality of preheating pipes are spirally wound on the outer wall of the fire tube, and a fire division disc is arranged at the top part of the fire tube; the bottom part of the fire division disc and the top part of the insulated cylinder are provided with a plurality of leading holes correspondingly; the boiler cradle below the fire tube is provided with a main fuel nozzle connected with a main fuel pipeline; one side of the main fuel nozzle is provided with a preheating fuel nozzle connected with a preheating fuel pipeline; and a compressed air nozzle connected with a compressed air pipeline is arranged nearby the preheating fuel nozzle. The burning device has the advantages of high preheating temperature, good fuel gasification effect, sufficient burning, no black smoke, convenient operation and the like. The burning device can be widely popularized and applied in the fuel burning system.
Description
Technical field
The utility model relates to a kind of burner, particularly about a kind of burner of mixed-oxygen preheating oil burning system.
Background technology
Existing pre-heated burner generally is to utilize compressed air that tank for gaseous or liquid substances is pressurizeed, force an amount of fuel oil (fuel oil) to be ejected on the high-temp combustion cotton, manually light the high temperature cotton of soaking full fuel oil then, make fuel oil spontaneous firing heating economizer bank, open the oil circuit switch when fuel heating again to the uniform temperature and carry out normal combustion.There are some problems in this preheating oil burning system: 1, because fuel oil adopts and to inject directly on spontaneous firing on the high temperature cotton, and fuel oil can not fully atomize, and burning-point is low, therefore be difficult to reach and keep high temperature preheating effect to fuel preheating pipe.Distributive value is difficult for grasping the operation easier height in addition.2, because the fuel-firing preheating effect is bad, so fuel oil can not fully burn, and the problem of over-emitting black exhaust can not solve all the time.3, since fuel flow path that the aperture big filter of screen pack or screen pack is not set is not thorough, therefore stop up easily and give heat pipe.4, because gasification of fuel oil is insufficient, remaining in atomizer fuel oil on every side can not in time remove, and easily produces carbon distribution, stops up fuel nozzle and cisco unity malfunction, and when burning finished in addition, easily tempering caused danger.5, because the spout of fuel nozzle is arranged on the nozzle head easy-maintaining not after the obstruction.
Summary of the invention
At the problems referred to above, the purpose of this utility model provides a kind of fuel-firing preheating temperature height, and gasification result is good, and oil inflame is abundant, the burner of mixed-oxygen preheating oil burning system easy to use.
For achieving the above object, the utility model is taked following technical scheme: a kind of burner of mixed-oxygen preheating oil burning system, it is characterized in that: it comprises a grate, described grate is provided with a heat-preservation cylinder, be provided with a fire tube in the described heat-preservation cylinder, described fiery drum outer wall helical disk is wound with the multi-turn economizer bank, described fire tube top is provided with one fen fire dish, the fiery tray bottom of described branch is corresponding with described heat-preservation cylinder top to be provided with a plurality of guide holes, the grate of described fire tube below is provided with the main fuel nozzle of a connection main fuel pipeline, one side of described main fuel nozzle is provided with the preheating fuel nozzle on a connection preheating fuel pipe road, is provided with the compressed-air atomizer of a connection compressed air line near the described preheating fuel nozzle.
Described pre-hot nozzle and main fuel nozzle comprise nozzle head respectively, be disposed with a spout block in the described nozzle head from top to bottom, an one groove core and a top cover are provided with an adapter sleeve at the inlet end of described nozzle head, fix a screen pack in the bottom of described adapter sleeve; Described spout block is arranged on the jet end of described nozzle head, described spout block is provided with a spray orifice, described groove core is provided with some spiral grooves with the conical surface that described spout block contacts, cover bottom, described top is fixedly connected on described nozzle head inwall, leave the gap between cover top, described top and the described nozzle head, cover middle part, described top is provided with radial direction through hole.
The other soot emissions mouth that is provided with of described main burner noz(zle).
Spiral grooves on the described groove core is 3～4, and the radial direction through hole that cover middle part, described top is provided with is 1～3.
Be provided with a temperature sensor near the described branch fire dish.
Near described branch fire dish, be provided with an ignition.
The utility model is owing to adopt above technical scheme, it has the following advantages: 1, the utility model is because near fuel nozzle, be provided with a preheating fuel nozzle that connects the preheating fuel pipe road is connected compressed air line with one compressed-air atomizer specially, therefore can utilize the fuel oil and the compressed air of ejection simultaneously to carry out mixed combustion at warm-up phase, simultaneously can make the mixed proportion of air and fuel oil reach optimum value (such as 14: 1, but be not limited thereto), fully burning, keep higher preheated burning temperature effectively, shortened preheating time.2, the utility model is owing to correspondingly on minute fire dish and heat-preservation cylinder be provided with a plurality of guide holes, thermal-flame is introduced between heat-preservation cylinder and the fire tube, for economizer bank carries out the continuous high temperature heating, therefore further shortened preheating time, guaranteed the stability of whole combustion process, and make the interior gasification of fuel oil of economizer bank more abundant, improved combustion efficiency of fuel oil effectively.3, the utility model is owing to be provided with a plurality of spiral grooves on the groove core of fuel nozzle, thus fuel oil can along spiral grooves form combustion efficiency splendid revolve the flame ejection, thereby further improved efficiency of combustion.4, the utility model is owing to be provided with screen pack in the bottom of nozzle adapter sleeve, particularly having adopted the aperture is that 0.2 μ m screen pack filters fuel oil, therefore not only make the fuel particles that enters burner littler, reduced impurity effectively, prevented the obstruction of fuel nozzle, and can realize easily that artificial naked light lights, flame is got back to fuel pipe from fuel nozzle in the time of can also preventing burn-out effectively, avoids dangerous.5, the utility model has adopted the spout block that can change in the outlet of fuel nozzle, stops up in case nozzle sends, and can easily nozzle head be disassembled, and repairs or replaces.6, the utility model is provided with the soot emissions mouth between economizer bank and fuel oil main burner, can implement to remove after burning finishes, and prevents plug nozzle.The utility model fuel-oil atmozation is more abundant, and the efficiency of combustion height can be widely used in the various mixed-oxygen preheating oil burning systems.
Description of drawings
Fig. 1 is the structure chart of burner of the present utility model
Fig. 2 is the branch fire dish schematic top plan view of fuel oil burning device of the present utility model
Fig. 3 is the nozzle and the soot emissions mouth position view of fuel oil burning device of the present utility model
Fig. 4 is the utility model structure of nozzle schematic diagram
Fig. 5 is the utility model ejector principle schematic diagram
Fig. 6 is the utility model jet flames rotation schematic diagram
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail.
As shown in Figure 1 and Figure 2, the utility model comprises that a grate 1, grate 1 are provided with a heat-preservation cylinder 2, with a fire tube 3 be installed in heat-preservation cylinder 2 in, leave the gap between fire tube 3 and the heat-preservation cylinder 2, be wound with multi-turn economizer bank 4 at fire 3 an outer wall helical disk.Connect one fen fire dish 5 at fire tube 3 tops.Divide the position between fire dish 5 and the fire tube 3 same as the prior art, but divide and correspondingly on fire dish 5 bottoms and heat-preservation cylinder 2 tops to be provided with a plurality of guide holes 6, make the flame that enters branch fire dish 5 enter gap between heat-preservation cylinder 2 and the fire tube 3, think that economizer bank 4 heats by guide hole 6.
As Fig. 1, shown in Figure 3, grate 1 below the utility model fire tube 3 is provided with a vertical main fuel nozzle 7 over against fire tube 3 centers, be provided with a preheating fuel nozzle 8 that entad tilts in a side of main fuel nozzle 7, a compressed-air atomizer 9 that is tilted to the heart equally is set near preheating fuel nozzle 8.Main fuel pipeline 10 is connected with the import of economizer bank 4 bottoms, and the outlet at economizer bank 4 tops is connected with the import of main fuel nozzle 7 by pipeline 11; Be connected with the import of preheating fuel nozzle 8 with the preheating fuel pipe road 12 that main fuel pipeline 10 is connected in parallel, compressed-air atomizer 8 is connected with compressed air line 13.Near minute fire dish 5, a temperature sensor 14 can be set, as safety guard.Temperature sensor 14 is connected (not shown) with the control valve of mixed-oxygen preheating oil burning system, with the switch by the temperature control valve body.
Shown in Fig. 4～6, main fuel nozzle 7 of the present utility model can adopt identical structure with preheating fuel nozzle 8, also can be different, and be that example is illustrated only below with main fuel nozzle 7.Main fuel nozzle 7 comprises a hollow nozzle head 71, is disposed with a spout block 72, one groove cores 73 and a top cover 74 in nozzle head 71 from top to bottom, at the inlet end of nozzle head 71 adapter sleeve 75 is set, and fixes a screen pack 76 in the bottom of adapter sleeve 75.Spout block 72 outer rims are provided with a boss 721 that cooperates with nozzle head 71, spout block 72 centers are provided with a spray orifice 722, the bottom of spray orifice 722 is a bellmouth 723, the conical surface on groove core 73 tops cooperates with the bellmouth 723 of spout block 72, the conical surface of groove core 73 is provided with four spiral grooves 731, forms rotation shape flame combustion when fuel oil can be sprayed from the spout of nozzle head 71.Top cover 74 bottom excircles are connected with nozzle head 1 inwall by external screw thread, leave the gap between the middle and upper part of top cover 74 and the nozzle head 71, and cover 74 middle parts, top are provided with a plurality of radial direction through hole 741, and radial direction through hole 741 quantity can be selected in 1～3 scope.
In the foregoing description, the aperture of the screen pack 76 in the main fuel nozzle 7 can be selected 0.15～0.25 μ m for use, and the aperture through testing about 0.2 μ m can prevent tempering effectively.Spray orifice 722 apertures of main fuel nozzle 7 can adopt 0.65mm (only as example, but be not limited thereto), the spray orifice aperture of preheating fuel nozzle 8 can adopt 1.0mm (only as example, but be not limited thereto), the diameter of the compressed-air atomizer 8 that is used with preheating fuel nozzle 8 can adopt 0.3mm (only as example, but being not limited thereto).
In the foregoing description, the quantity of the spiral grooves 731 that is provided with on the groove core 73 in the main fuel nozzle 7 and the conical surface that spout block 72 contacts also can change, such as taking three, five etc.On main burner noz(zle) 7 next doors one soot emissions mouth 15 (as shown in Figure 3) can also be set in addition, can after burning finishes, open the soot emissions mouth, implement to remove, prevent plug nozzle head 71.The utility model can also adopt prior art near minute fire dish 5 an ignition (not shown) to be set.
When the utility model uses, open compressed air line 13 earlier and open preheating fuel pipe road 12 simultaneously, make pre-heating oil and compressed air respectively from preheating fuel nozzle 8 and compressed-air atomizer 9 ejections, and pre-heating oil is the filtration through screen pack 76, the adapter sleeve 75 of flowing through enters top cover 74, each radial direction through hole 741 on top cover 74 enters the gap of pushing up between cover 74 outer walls and the nozzle head 1, again by each spiral grooves 731 on the groove core 2, from the spray orifice 722 rotation ejections of spout block 2.Then, artificial or electronics is lighted pre-heating oil and compressed-air actuated mixture, allows the pre-heating oil of ejection and compressed air mix the oxygen burning, and economizer bank 4 is heated.Behind the heating certain hour, manually by rule of thumb or by a temperature sensor perceive heat economizer bank 4 heated temperature, and close preheating fuel pipe road 12 and compressed air line 13 by control valve, open main fuel pipeline 10 simultaneously, fuel oil-gas after abundant preheating is gasified is sprayed by main fuel nozzle 7, normal combustion is carried out on the limit, the fuel oil in the limit heating economizer bank 4.In the combustion process, because the setting of guide hole 6 is derived the part thermal-flame and can economizer bank 4 be heated diameter, not only having improved heating-up temperature makes gasification of fuel oil abundant, and can remain stable high-temp combustion state, and improve efficiency of combustion, reduce the pollution of black smoke.
The utility model only describes with the foregoing description; the structure of each parts, the position is set and connects and all can change to some extent; all improvement of on the basis of technical solutions of the utility model individual component being carried out and equivalents all should not got rid of outside protection domain of the present utility model.
Claims (10)
1, a kind of burner of mixed-oxygen preheating oil burning system, it is characterized in that: it comprises a grate, described grate is provided with a heat-preservation cylinder, be provided with a fire tube in the described heat-preservation cylinder, described fiery drum outer wall helical disk is wound with the multi-turn economizer bank, described fire tube top is provided with one fen fire dish, the fiery tray bottom of described branch is corresponding with described heat-preservation cylinder top to be provided with a plurality of guide holes, the grate of described fire tube below is provided with the main fuel nozzle of a connection main fuel pipeline, one side of described main fuel nozzle is provided with the preheating fuel nozzle on a connection preheating fuel pipe road, is provided with the compressed-air atomizer of a connection compressed air line near the described preheating fuel nozzle.
2, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 1, it is characterized in that: described pre-hot nozzle and main fuel nozzle comprise nozzle head respectively, be disposed with a spout block in the described nozzle head from top to bottom, an one groove core and a top cover, inlet end at described nozzle head is provided with an adapter sleeve, fixes a screen pack in the bottom of described adapter sleeve; Described spout block is arranged on the jet end of described nozzle head, described spout block is provided with a spray orifice, described groove core is provided with some spiral grooves with the conical surface that described spout block contacts, cover bottom, described top is fixedly connected on described nozzle head inwall, leave the gap between cover top, described top and the described nozzle head, cover middle part, described top is provided with radial direction through hole.
3, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 1 is characterized in that: the other soot emissions mouth that is provided with of described main burner noz(zle).
4, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 2 is characterized in that: the other soot emissions mouth that is provided with of described main burner noz(zle).
5, as the burner of claim 1 or 2 or 3 or 4 described a kind of mixed-oxygen preheating oil burning systems, it is characterized in that: the spiral grooves on the described groove core is 3～4, and the radial direction through hole that cover middle part, described top is provided with is 1～3.
6, as the burner of claim 1 or 2 or 3 or 4 described a kind of mixed-oxygen preheating oil burning systems, it is characterized in that: be provided with a temperature sensor near the described branch fire dish.
7, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 5 is characterized in that: be provided with a temperature sensor near the described branch fire dish.
8, as the burner of claim 1 or 2 or 3 or 4 or 7 described a kind of mixed-oxygen preheating oil burning systems, it is characterized in that: near described branch fire dish, be provided with an ignition.
9, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 5 is characterized in that: be provided with an ignition near described branch fire dish.
10, the burner of a kind of mixed-oxygen preheating oil burning system as claimed in claim 6 is characterized in that: be provided with an ignition near described branch fire dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201078366U CN201407653Y (en) | 2009-05-05 | 2009-05-05 | Burning device of oxygen-mixing preheating type fuel burning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201078366U CN201407653Y (en) | 2009-05-05 | 2009-05-05 | Burning device of oxygen-mixing preheating type fuel burning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407653Y true CN201407653Y (en) | 2010-02-17 |
Family
ID=41678587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201078366U Expired - Fee Related CN201407653Y (en) | 2009-05-05 | 2009-05-05 | Burning device of oxygen-mixing preheating type fuel burning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407653Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003705A (en) * | 2010-12-08 | 2011-04-06 | 张守忠 | High-efficiency fuel oil self-preheating type burning system |
| WO2014117625A1 (en) * | 2013-01-30 | 2014-08-07 | 广州市和宝生物能源技术有限公司 | Burner |
| CN115681959A (en) * | 2022-11-08 | 2023-02-03 | 大唐长山热电厂 | Efficient and convenient combustor for thermal power plant |
-
2009
- 2009-05-05 CN CN2009201078366U patent/CN201407653Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003705A (en) * | 2010-12-08 | 2011-04-06 | 张守忠 | High-efficiency fuel oil self-preheating type burning system |
| WO2014117625A1 (en) * | 2013-01-30 | 2014-08-07 | 广州市和宝生物能源技术有限公司 | Burner |
| CN115681959A (en) * | 2022-11-08 | 2023-02-03 | 大唐长山热电厂 | Efficient and convenient combustor for thermal power plant |
| CN115681959B (en) * | 2022-11-08 | 2023-06-16 | 大唐长山热电厂 | High-efficient convenient combustor is used in thermal power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20100505 |