CN201935216U - Biomass energy hybrid fuel ignition system used for coal fired power plant - Google Patents
Biomass energy hybrid fuel ignition system used for coal fired power plant Download PDFInfo
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- CN201935216U CN201935216U CN2011200155095U CN201120015509U CN201935216U CN 201935216 U CN201935216 U CN 201935216U CN 2011200155095 U CN2011200155095 U CN 2011200155095U CN 201120015509 U CN201120015509 U CN 201120015509U CN 201935216 U CN201935216 U CN 201935216U
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- ignition system
- energy hybrid
- fuel ignition
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Abstract
The utility model discloses a biomass energy hybrid fuel ignition system used for a coal fired power plant, and relates to a production ignition system which employs diesel oil as fuels to preheat a hearth. The purposes of the biomass energy hybrid fuel ignition system used for the coal fired power plant are to reduce environmental pollution, decrease economic cost and eliminate hidden safety hazard. The key points of the technical scheme of the biomass energy hybrid fuel ignition system used for the coal fired power plant are as follows: the biomass energy hybrid fuel ignition system is provided with a fan 1, a feeder 8, and an igniter 20. When the biomass energy hybrid fuel ignition system operates, powder biomass energy hybrid fuels are held in the closed feeder 8, can be uniformly, stably and continuously mixed with pressure air into a foggy shape, and then fed into a hearth of the igniter 20, and are simultaneously and quickly ignited by the high temperature air in the hearth, and are timely fixed with secondary inlet air and third inlet air under high temperature state for supporting combustion so as to timely burn out without black smokes. Plant straws have very low economic cost, can be quickly burnt out simultaneously when generating high temperature flames, and do not produce thick black smoke. Compared with diesel oil, the environmental pollution is reduced; the economic cost is decreased; and the hidden safety hazard is eliminated. The biomass energy hybrid fuel ignition system has a simple structure.
Description
Technical field
The utility model belongs to the operation production system of chemical mechanical equipment.Relating to a kind of coal-burning power plant is the bad igniting production system that needs igniting combustion supporting to use of fuel preheating burner hearth, underrun and/or ature of coal with diesel oil.
Background technology
At present, coal-fired plant boiler restarts, all will light a fire after new stove starts and shuts down maintenance, and traditional ignition method is to make fuel with diesel oil, with oil gun with the diesel injection atomizing and in the burner hearth internal combustion, make temperature rising in its burner hearth, simultaneously coal is lighted; When the bad hidden danger of stopping burning possibly of underrun or ature of coal appears in boiler, want igniting combustion supporting at any time; Original power portion stipulates that new unit oil consumption index ceiling is 9000 tons, blowing out restart point fire consumption oil limit is 3000 tons, its igniting funds are no small spendings to power plant, therefore, and the major issue that the financial cost that reduction is lighted a fire with diesel oil has just become industry extremely to pay close attention to.Once developed a kind of " small oil gun " igniter in the eighties in last century, its oil consumption index and financial cost decline to a great extent, but new furnace igniting still need consume diesel oil about in the of 500 tons, and about diesel oil ton valency 8000 circles, the financial cost of its igniting is still than higher at present.And,, the dark smoke of incomplete combustion is still directly arranged to atmosphere for reducing the infringement of dark smoke to dust arrester on the flue.At present, also have a kind of technology of directly coal dust in the boiler furnace being lighted, but this technology can only be useful for " good coal ", when boiler needs when combustion-supporting because of the ature of coal difference with plasma-arc, just can not bring into play being used for, need to rely on the combustion-supporting means of oil gun to carry out production run again.The technology that plasma-arc is directly lighted coal dust in the burner hearth is that Kufil, general continuous use will be changed once in 2 hours because of its " electrode " material, because of it is changed frequently, cost of use is also very high, so traditional is the igniting production system of the fuel preheating burner hearth part that also comes with some shortcomings with diesel oil, its weak point is: (1) when igniting the dark smoke that not exclusively produces of diesel combustion directly row to atmosphere, its severe contamination environment; (2) make fuel ignition and heating furnace with diesel oil, its financial cost still is higher; (3) make auxiliary equipment such as fuel requirement oil storage tank, oil pipe with diesel oil, have potential safety hazard near its body of heater.
Summary of the invention
Task of the present utility model provides the biomass energy hybrid fuel ignition system that a kind of coal-burning power plant uses, and makes the pollution of its (1) minimizing to environment; (2) reduce financial cost; (3) eliminate safe hidden trouble.
The technical solution of the utility model is as follows:
The biomass energy hybrid fuel ignition system that a kind of coal-burning power plant uses includes air blast 1, and its characteristics are: also be provided with dispenser 8, igniter 20;
Be provided with duct coupling 3 between the exhaust duct 2 of described air blast 1 and the secondary air mouth of igniter 20; And duct coupling 3 is provided with a section air valve 12; The connecting pipe 3 of cutting between air valve 12 and the exhaust duct 2 is provided with arm 10,13 simultaneously, its arm 10 connects with the air inlet that dispenser 8 middle and lower parts are provided with, and arm 10 is provided with a section air valve 11, its arm 13 connects with three air inlets of igniter 20, and its arm 13 is provided with and cuts air valve 14;
The top of described dispenser 8 is provided with air inlet, connects with pipeline 6 between the exhaust duct 2 of its air inlet and air blast 1, and its pipeline 6 is provided with and cuts an air valve 9;
The bottom of described dispenser 8 is provided with pulp cutlet, and its discharge port connects with the feeding mouth of the discharge valve 17 that frequency modulation motor drives;
Be provided with feeding pipe 16 between the exhaust duct 2 of described air blast 1 and the charging aperture 19 of igniter 20, and feeding pipe 16 is provided with stop valve 15;
Be provided with discharge pipe 18 between the feeding pipe 16 that is provided with between described stop valve 15 and the charging aperture 19 and the discharging opening of discharge valve 17.
And, in the biomass energy hybrid fuel ignition system that above-mentioned a kind of coal-burning power plant uses, can also be provided with air pump 5; And, have the pipeline 6 that cuts air valve 9 air inlet of dispenser 8 tops setting and the exhaust outlet of air pump 5 are linked together.And, also can set up the use of between air pump and dispenser, connecting of air accumulator equipment.
The utility model in use, the biomass energy fuel combination of powder state is contained in the airtight dispenser 8, and above its biomass energy fuel combination heap, impose the pressure air that enters through pipeline 6, after the discharge valve 17 of the adjustable rotating speed that frequency modulation motor drives is opened, the biomass energy fuel combination of its powder state can be continuously, equably, stably in discharge pipe 18 enters feeding pipe 16, and the pressure air that produces with air blast 1 rotation in time is mixed into uniform fog state after the charging aperture 19 of igniter 20 enters in its thorax, lighted rapidly by the high-temperature gas in the thorax simultaneously, simultaneously in the cone-shaped cavity of the flame body jet pipe 21 of the cone shape that is provided with on igniter 20 right sides with the secondary air that is heated into high temperature by igniter 20, three times air intake fully mixes, combustion-supporting and timely after-flame does not have black smoke, and its high temperature flame body is that fiery body 22 enters boiler through pipeline burner hearth is heated.
Because the fuel that the utility model uses is by coal and the preparation of various plants stalk, compare at the bottom of having a financial cost with diesel oil, the low-carbon (LC) operational effect of energy savings, minimizing pollution.Owing to do not use diesel oil to be fuel, just omitted auxiliary equipment such as oil storage tank, oil pipe, also just eliminated potential safety hazard.
The beneficial effects of the utility model are as follows: owing to use technique scheme, realized the pollution of (1) minimizing to environment; (2) reduce financial cost; (3) technique effect that eliminates safe hidden trouble.The utility model is simple in structure.
Description of drawings
Fig. 1 is the system construction drawing of first embodiment of the utility model.
Fig. 2 is the system construction drawing of second embodiment of the utility model.
Among the figure, 1. 14. sections air valves of 4. sections air valves of air blast 2. exhaust ducts, 3. duct couplings, 5. air pumps, 6. pipelines, 7. sections air valves, 8. dispensers, 11. sections air valves of 9. sections air valves, 10. arms, 12. sections air valves, 13. arms, 15. stop valves, 16. feeding pipes, 17. discharge valves, 18. discharge pipes, 19. charging apertures, 20. igniters, 21. flame body jet pipes, 22. fiery bodies
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
In first embodiment shown in Figure 1, the biomass energy hybrid fuel ignition system that a kind of coal-burning power plant uses includes air blast 1, and its characteristics are: also be provided with dispenser 8, igniter 20, air pump 5;
Be provided with duct coupling 3 between the exhaust duct 2 of described air blast 1 and the secondary air mouth of igniter 20; And duct coupling 3 is provided with section air valve 12 and cuts an air valve 4; Cut simultaneously the pipeline 3 that is connected between air valve 12 and section air valve 4 and be provided with arm 10, arm 13, its arm 10 connects with the air inlet that dispenser 8 middle and lower parts are provided with, and arm 10 is provided with a section air valve 11, its arm 13 connects with three air inlets of igniter 20, and its arm 13 is provided with and cuts air valve 14;
The top of described dispenser 8 is provided with air inlet, connects with pipeline 6 between its air inlet and the air pump 5, and its pipeline 6 is provided with and cuts air valve 9 and cut an air valve 7;
The bottom of described dispenser 8 is provided with pulp cutlet, and its discharge port connects with the feeding mouth of the discharge valve 17 that frequency modulation motor drives;
Be provided with feeding pipe 16 between the exhaust duct 2 of described air blast 1 and the charging 19 of igniter 20, and feeding pipe 16 is provided with stop valve 15;
Be provided with discharge pipe 18 between the feeding pipe 16 that is provided with between described stop valve 15 and the charging aperture 19 and the discharging opening of discharge valve 17.
The utility model in use, the biomass energy fuel combination of powder state is contained in the airtight dispenser 8, and above its biomass energy fuel combination heap, impose the pressure air that enters through pipeline 6, after the discharge valve 17 of the adjustable rotating speed that frequency modulation motor drives is opened, the biomass energy fuel combination of its powder state can be continuously, equably, stably in discharge pipe 18 enters feeding pipe 16, and the pressure air that produces with air blast 1 rotation in time is mixed into uniform fog state after the charging 19 of igniter 20 enters in its thorax, lighted rapidly by the high-temperature gas in the thorax simultaneously, and in the cone-shaped cavity of the flame body jet pipe 21 of the cone shape that inlet point firearm 20 right sides are provided with the secondary air that is heated into high temperature by igniter 20, three times air intake fully mixes combustion-supporting, and in time after-flame does not have black smoke, and its high temperature flame body is that fiery body 22 enters boiler through pipeline burner hearth is heated.
Because the fuel that the utility model uses is by coal and the preparation of various plants stalk, compare at the bottom of having a financial cost with diesel oil, the low-carbon (LC) operational effect of energy savings, minimizing pollution.Owing to do not use diesel oil to be fuel, just omitted auxiliary equipment such as oil storage tank, oil pipe, also just eliminated potential safety hazard.
In second embodiment shown in Figure 2, the biomass energy hybrid fuel ignition system that a kind of coal-burning power plant uses includes air blast 1, and its characteristics are: also be provided with dispenser 8, igniter 20;
Be provided with duct coupling 3 between the exhaust duct 2 of described air blast 1 and the secondary air mouth of igniter 20; And duct coupling 3 is provided with section air valve 12 and cuts an air valve 4; The connecting pipe 3 of cutting air valve 12 simultaneously and cutting between the air valve 4 is provided with arm 10, arm 13, its arm 10 connects with the air inlet that dispenser 8 middle and lower parts are provided with, and arm 10 is provided with a section air valve 11, its arm 13 connects with three air inlets of igniter 20, and its arm 13 is provided with and cuts air valve 14;
The top of described dispenser 8 is provided with air inlet, connects with pipeline 6 between the exhaust duct 2 of its air inlet and air blast 1, and its pipeline 6 is provided with and cuts air valve 9 and cut an air valve 7;
The bottom of described dispenser 8 is provided with pulp cutlet, and its discharge port connects with the feeding mouth of the discharge valve 17 that frequency modulation motor drives;
Be provided with feeding pipe 16 between the exhaust duct 2 of described air blast 1 and the charging aperture 19 of igniter 20, and feeding pipe 16 is provided with stop valve 15;
Be provided with discharge pipe 18 between the feeding pipe 16 that is provided with between described stop valve 15 and the charging aperture 19 and the discharging opening of discharge valve 17.
The utility model in use, the biomass energy fuel combination of powder state is contained in the airtight dispenser 8, and above its biomass energy fuel combination heap, impose the pressure air that enters through pipeline 6, after the discharge valve 17 of the adjustable rotating speed that frequency modulation motor drives is opened, the biomass energy fuel combination of its powder state can be continuously, equably, stably in discharge pipe 18 enters feeding pipe 16, and the pressure air that produces with air blast 1 rotation in time is mixed into uniform fog state after the charging aperture 19 of igniter 20 enters in its thorax, lighted rapidly by the high-temperature gas in the thorax simultaneously, and in the cone-shaped cavity of the flame body jet pipe 21 of the cone shape that inlet point firearm 20 right sides are provided with the secondary air that is heated into high temperature by igniter 20, three times air intake fully mixes combustion-supporting, and in time after-flame does not have black smoke, and its high temperature flame body is that fiery body 22 enters boiler through pipeline burner hearth is heated.
Because the fuel that the utility model uses is by coal and the preparation of various plants stalk, compare at the bottom of having a financial cost with diesel oil, the low-carbon (LC) operational effect of energy savings, minimizing pollution.Owing to do not use diesel oil to be fuel, just omitted auxiliary equipment such as oil storage tank, oil pipe, also just eliminated potential safety hazard.
Claims (2)
1. the biomass energy hybrid fuel ignition system that the coal-burning power plant uses includes air blast (1), it is characterized in that: also be provided with dispenser (8), igniter (20);
Be provided with duct coupling (3) between the exhaust duct (2) of described air blast (1) and the secondary air mouth of igniter (20); And duct coupling (3) is provided with a section air valve (12); The connecting pipe (3) of cutting between air valve (12) and the exhaust duct (2) is provided with arm (10,13) simultaneously, its arm (10) connects with the air inlet that dispenser (8) middle and lower part is provided with, and arm (10) is provided with a section air valve (11), its arm (13) connects with three air inlets of igniter (20), and its arm (13) is provided with and cuts air valve (14);
The top of described dispenser (8) is provided with air inlet, connects with pipeline (6) between the exhaust duct (2) of its air inlet and air blast (1), and its pipeline (6) is provided with and cuts an air valve (9);
The bottom of described dispenser (8) is provided with pulp cutlet, and its discharge port connects with the feeding mouth of the discharge valve (17) that frequency modulation motor drives;
Be provided with feeding pipe (16) between the exhaust duct (2) of described air blast (1) and the charging aperture (19) of igniter (20), and feeding pipe (16) is provided with stop valve (15);
Be provided with discharge pipe (18) between the feeding pipe (16) that is provided with between described stop valve (15) and the charging aperture (19) and the discharging opening of discharge valve (17).
2. the biomass energy hybrid fuel ignition system that a kind of coal-burning power plant according to claim 1 uses is characterized in that: also be provided with air pump (5); And, have the pipeline (6) that cuts air valve (9) air inlet of dispenser (8) top setting and the exhaust outlet of air pump (5) are linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200155095U CN201935216U (en) | 2011-01-19 | 2011-01-19 | Biomass energy hybrid fuel ignition system used for coal fired power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200155095U CN201935216U (en) | 2011-01-19 | 2011-01-19 | Biomass energy hybrid fuel ignition system used for coal fired power plant |
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| Publication Number | Publication Date |
|---|---|
| CN201935216U true CN201935216U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200155095U Expired - Lifetime CN201935216U (en) | 2011-01-19 | 2011-01-19 | Biomass energy hybrid fuel ignition system used for coal fired power plant |
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| CN (1) | CN201935216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607059A (en) * | 2011-01-19 | 2012-07-25 | 王景龙 | Biomass hybrid fuel ignition system for coal-fired power plant |
-
2011
- 2011-01-19 CN CN2011200155095U patent/CN201935216U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607059A (en) * | 2011-01-19 | 2012-07-25 | 王景龙 | Biomass hybrid fuel ignition system for coal-fired power plant |
| CN102607059B (en) * | 2011-01-19 | 2014-12-10 | 王景龙 | Biomass hybrid fuel ignition system for coal-fired power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: LONG FENGMING Effective date: 20141031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141031 Address after: 030024 Taiyuan Province, No. 21 Binhe Road West, Shanxi Province Environmental Protection Bureau dormitory building, unit 1, building 1101, No. 1 Patentee after: Wang Jinglong Address before: 030024 Taiyuan Province, No. 21 Binhe Road West, Shanxi Province Environmental Protection Bureau dormitory building, unit 1, building 1101, No. 1 Patentee before: Wang Jinglong Patentee before: Long Fengming |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110817 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |