CN102213439B - Thermal spray combustion system without return oil and heavy oil - Google Patents
Thermal spray combustion system without return oil and heavy oil Download PDFInfo
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- CN102213439B CN102213439B CN201010137555A CN201010137555A CN102213439B CN 102213439 B CN102213439 B CN 102213439B CN 201010137555 A CN201010137555 A CN 201010137555A CN 201010137555 A CN201010137555 A CN 201010137555A CN 102213439 B CN102213439 B CN 102213439B
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- Prior art keywords
- oil
- pipe
- heavy oil
- heavy
- heat spray
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- 239000003921 oil Substances 0.000 title claims abstract 29
- 239000000295 fuel oil Substances 0.000 title claims abstract 16
- 238000002485 combustion reaction Methods 0.000 title claims abstract 11
- 239000007921 spray Substances 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract 5
- YNBADRVTZLEFNH-UHFFFAOYSA-N methyl nicotinate Chemical compound COC(=O)C1=CC=CN=C1 YNBADRVTZLEFNH-UHFFFAOYSA-N 0.000 claims 6
- 239000003208 petroleum Substances 0.000 claims 3
- 230000007306 turnover Effects 0.000 claims 3
- 230000008676 import Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000011229 interlayer Substances 0.000 claims 1
- 239000002283 diesel fuel Substances 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 238000007710 freezing Methods 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
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Abstract
The invention relates to a thermal spray combustion system without return oil and heavy oil. The system comprises an input-output oil pipe freeze-proof system, a hot oil sleeving and a cold oil pipe, wherein the input-output oil pipe freeze-proof system is arranged at the inlets and the outlets of a heavy oil tank and a light oil tank, the hot oil sleeving is connected with the heavy oil tank and a boiler, the cold oil pipe is connected with the light oil tank and the boiler. Compared with the prior art, the invention has no freezing dead area and can completely realize the combustion of heavy oil without return oil and circulation, and the combustion is complete and full without black smoke; and besides, no constant heating and circulating can avoid consuming huge amounts of energy and operating costs and save the valuable light diesel oil.
Description
Technical field
The present invention relates to a kind of combustion system, especially relate to a kind of no oil return heavy oil heat spray combustion system.
Background technology
Its price of heavy oil (or heat spray fuel oil) is much cheap with respect to light diesel fuel, and (light diesel fuel price now is about 7800 yuan/ton; About 4500 yuan/ton of heavy oil (or heat spray fuel oil); But why seldom is there use heavy oil (or heat spray fuel oil) in the power plant? Trace it to its cause: the one,, its viscosity is high, flash-point is high, be difficult for conveying, nonflammable, over-emitting black exhaust; The 2nd,, burning and conveying all need heating, and troublesome poeration, maintenance are also big, especially in winter, do not prevent that heavy oil (or heat spray fuel oil) from freezing to block pipeline even do not use also need heat.This is not too big problem for the unit of those continuous oil firings such as glass factory, steel mill etc., so the use of heavy oil obtains well popularizing and extensive use in these units.Yet in enterprises such as thermal power plant, cement plants because the just hour use of the first few when unit light a fire of oil firing; In addition in ature of coal bad or loaded use once in a while when needing steady combustion when low beyond; All the other overwhelming majority times all be at a stop no; And the operation characteristic of enterprises such as thermal power plant determines; Even oil system also will make oil system be in stand-by state at any time when not using at ordinary times, in order to keep the reliably subsequent use of oil system, just necessary continual heating of heavy oil system and the circulation that keeps oil system.This circulation and heating just, energy that it expends and expense probably power plant's combusting heavy oil is practiced thrift get off economy all run out of, even not enough.The original designs of enterprise such as Here it is a lot of thermal power plants, steel plant, cement plant itself are exactly RF, but change the true cause that burns light diesel fuel afterwards again into, and this also is that heavy oil can not get the reason fully used in the power plant.
Because the freezing point of heavy oil (or heat spray fuel oil) is higher, generally promptly solidifies at 25 ℃.After heavy oil (or heat spray fuel oil) solidified, pipeline was with blocked, and oil just just can't be carried at all, and the mediation difficulty.Former, if burning heavy oil (or heat spray fuel oil) just must guarantee that heavy oil (or heat spray fuel oil) temperature is much larger than 25 ℃; And the circulation that do not stop of the heavy oil (or heat spray fuel oil) that makes oil-piping; Guarantee that the heavy oil (or heat spray fuel oil) in the pipeline does not solidify, owing to heavy oil (or heat spray fuel oil) aptitude to burn decision, heavy oil (or heat is sprayed fuel oil) only fully is being heated to more than 85 ℃ simultaneously; Its atomizing effect just can be guaranteed, and burning could be fully.
Summary of the invention
The object of the invention is exactly to provide a kind of nothing to freeze the dead angle for the defective that overcomes above-mentioned prior art existence, realizes no oil return, the no oil return heavy oil heat spray combustion system that need not to circulate.
The object of the invention can be realized through following technical scheme:
A kind of no oil return heavy oil heat spray combustion system; It is characterized in that; This system comprises turnover oil pipe winterization system, deep fat sleeve pipe and cold oil pipe; Described turnover oil pipe winterization system is located at the import and export of heavy oil tank and light oil jar, and described deep fat sleeve pipe connects heavy oil tank and boiler, and described cold oil pipe connects light oil jar and boiler.
Described turnover oil pipe winterization system is made up of petroleum pipeline and heating cabinet, the outside sheathed prestressing force thermal sleeve of described petroleum pipeline, and this petroleum pipeline connects deep fat sleeve pipe or cold oil pipe after the heating cabinet heating.
On the described deep fat sleeve pipe heavy oil valve is set.
Described heavy oil valve is the Heat-insulation valve of band heating interlayer.
On the described cold oil pipe valve is set.
Described deep fat sleeve pipe is the oil pipe that is arranged with the prestressing force thermal sleeve.
Described outer tube, flange and the vapor communication pipe of comprising, described outer tube and oil pipe socket, described vapor communication pipe is connected with outer tube through flange, and the junction of outer tube and flange is provided with pad.
Compared with prior art; The present invention is suitable for the igniting of the CFBB using light diesel fuel igniting or steady combustion and pulverized-coal fired boiler, cement plant rotary kiln; Native system does not have the dead angle of freezing; The heavy oil that can realize fully not having oil return, need not to circulate (heat spray fuel oil) burning, make heavy oil (heat spray fuel oil) burning oversimplify and burning fully, economic performance accesses and guarantees and embody; Make burning heavy oil (or heat spray fuel oil) not only simple, reliable as burning light diesel fuel, and burning fully, fully, over-emitting black exhaust not; Rareer is that heavy oil (or heat spray fuel oil) does not need continual heating and circulation, avoids consuming a large amount of energy and operating cost, is enterprise's fuel savings costs such as thermal power plant, steel plant, cement plant really, is the light diesel fuel of national saves valuable.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of prestressing force thermal sleeve.
1 is boiler for light oil jar, 8 for heavy oil tank, 7 for valve, 6 for cold oil pipe, the 4 fuel tap door, 5 of attaching most importance to for pad, 3 for vapor communication pipe, 224 for flange, 223 for outer tube, 222 for prestressing force thermal sleeve, 221 for oil pipe, 22 for deep fat sleeve pipe, 21 for heating cabinet, 2 for petroleum pipeline, 12 for turnover oil pipe winterization system, 11 among the figure.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
Embodiment
A kind of no oil return heavy oil heat spray combustion system; Its structure is as shown in Figure 1; This system comprises turnover oil pipe winterization system 1, deep fat sleeve pipe 2 and cold oil pipe 3; Turnover oil pipe winterization system 1 is located at the import and export of heavy oil tank 6 and light oil jar 7, and deep fat sleeve pipe 2 connects heavy oil tank 6 and boilers 8, and cold oil pipe 3 connects light oil jar 7 and boilers 8.
The recirculation pipe that exports to oil tank into and out of oil-piping and oil pump of oil tank when low temperature, face equally freeze to solidify maybe; Therefore must adopt and get turnover oil pipe winterization system 1; Turnover oil pipe winterization system 1 is made up of petroleum pipeline 11 and heating cabinet 12, and the outside sheathed prestressing force thermal sleeve 22 of petroleum pipeline 11, petroleum pipeline 11 connect deep fat sleeve pipe 2 or cold oil pipe 3 and oil pump outlet after heating cabinet 12 heating; Guarantee oil tank into and out of oil pipe with recirculation oil pipe under the weather conditions that low temperature solidifies; After feeding heat medium, the heavy oil (or heat spray fuel oil) that solidifies of thaw makes oil transportation unimpeded fast.
Heavy oil valve 4 is set on the deep fat sleeve pipe 2, and this heavy oil valve 4 is provided with valve 5 for the Heat-insulation valve of band heating interlayer on the cold oil pipe 3.The oil pump of native system and valve equally also need antifreeze, and oil pump adopts the pattern of incubator to realize insulation, and heat medium is passed through in incubator, keeps the temperature in the incubator, the indirect oil pump.Valve then adopts the thermal insulation valve of the special use of band heating interlayer, avoids valve to freeze.
Deep fat sleeve pipe 2 is for being arranged with the oil pipe 21 of prestressing force thermal sleeve 22; Prestressing force thermal sleeve 22 comprises outer tube 221, flange 222 and vapor communication pipe 223; Outer tube 221 and oil pipe 21 sockets; Vapor communication pipe 223 is connected with outer tube 221 through flange 222, and the junction of outer tube 221 and flange 222 is provided with pad 224.
Because the freezing point of heavy oil (or heat spray fuel oil) is higher, generally promptly solidifies at 25 ℃.After heavy oil (or heat spray fuel oil) solidified, pipeline was with blocked, and oil just just can't be carried at all, and the mediation difficulty.Former, if burning heavy oil (or heat spray fuel oil) just must guarantee that heavy oil (or heat spray fuel oil) temperature is much larger than 25 ℃; And the circulation that do not stop of the heavy oil (or heat spray fuel oil) that makes oil-piping; Guarantee that the heavy oil (or heat spray fuel oil) in the pipeline does not solidify, owing to heavy oil (or heat spray fuel oil) aptitude to burn decision, heavy oil (or heat is sprayed fuel oil) only fully is being heated to more than 85 ℃ simultaneously; Its atomizing effect just can be guaranteed, and burning could be fully.Prestressing force thermal sleeve 22 can guarantee that oil-piping is lower than 5 ℃ at temperature can quick-thawing and mediation after causing the oil-piping frozen plug; That is to say that heavy oil (or heat spray fuel oil) is not even pipeline moves at ordinary times; Even temperature drops to heavy oil (or heat spray fuel oil) is solidified in pipeline; After using prestressing force thermal sleeve 22, after the feeding heating steam, can guarantee about 10 minutes in the ring-like passage between prestressing force thermal sleeve 22 and petroleum pipeline 11 and oil pipe 21; Cakey heavy oil in the pipe in the oil-piping (or heat spray fuel oil) is thawed rapidly, make oil transportation unimpeded.The logical oil of pipe in this prestressed casing, the interlayer between the inner and outer pipes leads to steam, and its heat exchange efficiency is high; When carrying, can be with heavy oil (or heat spray fuel oil) but be heated to the required temperature of completing combustion, realize thawing, heat, being incubated once completion; Simultaneously because this pipeline has adopted prestressing technique; Can well solve the inconsistent problem of thermal expansion of inner and outer pipes, satisfy the visual requirement fully of oil pipe weld bond, thoroughly avoid oil, vapour to go here and there mutually.Because prestressed casing formula oil-piping has had such function; As use the system of the prestressed casing formula oil-piping of our company; Oil just need not the circulation that do not stop, does not also just need oil return system, just can realize the trouble-free burning of heavy oil (or heat is sprayed fuel oil); Light diesel fuel is simple and reliable as burning for real realization burning heavy oil (or heat spray fuel oil), and the economy of burning heavy oil (or heat is sprayed fuel oil) just can well display.
The present invention includes following core:
1, heavy oil (or heat spray fuel oil) jar need not continuous integral body heating; Only needing suitably to keep the temperature of the heavy oil (or heat spray fuel oil) in the oil tank to be higher than its setting temperature gets final product; General needs 30～40 ℃ and gets final product; Simultaneously oil tank on oil pipe, increase thermal sleeve, guarantee at any time, under any weather oil tank oil-feed, to get oil convenient.
2, oil-piping adopts prestressed casing formula heavy oil pipeline, and this pipeline thaws, heats, is incubated once to be accomplished, and heavy oil (or heat spray fuel oil) system just only needs a pipeline like this, and does not need conventional oil returning tube, and system has obtained great simplification.Because heavy oil (or heat spray fuel oil) is carried and is adopted the prestressing force thermal sleeve; Heavy oil (or heat spray fuel oil) system is under no oil return and situation about not circulating; Can guarantee under any harsh weather; Heavy oil (or heat spray fuel oil) system can frozen plug, and system more need not special heavy oil (or heat spray fuel oil) heater.
3, because heavy oil (or heat spray fuel oil) system does not need circulation, just do not need oil return yet.Owing to there is not oil return, just do not worry that oil tank is got back in the high temperature oil return after, it is increasingly high and increase security risk that the oil temperature of oil tank can accumulation.After having removed the potential security risk that the high temperature oil return brings to oil tank, the combustion technology of employing heavy oil that can be relieved (or heat spray fuel oil) higher temperature.After adopting prestressing force hot jacket oil pipe; After heavy oil (or heat spray fuel oil) comes out from oil tank, Yi Bian walk, Yi Bian be heated; Heavy oil when arriving the boiler stokehold (or heat spray fuel oil) temperature can be up to 150 ℃ about; At this moment heavy oil (or heat spray fuel oil) blazes up, and will be very easy of fully, at all can be not poorer than using light diesel fuel.
4, heavy oil (or heat spray fuel oil) burning more fully, efficient is higher, and over-emitting black exhaust not, and maintenance is also littler.
Claims (7)
1. a no oil return heavy oil heat is sprayed combustion system; It is characterized in that; This system comprises turnover oil pipe winterization system, deep fat sleeve pipe and cold oil pipe; Described turnover oil pipe winterization system is located at the import and export of heavy oil tank and light oil jar, and described deep fat sleeve pipe connects heavy oil tank and boiler, and described cold oil pipe connects light oil jar and boiler.
2. a kind of no oil return heavy oil heat spray combustion system according to claim 1; It is characterized in that; Described turnover oil pipe winterization system is made up of petroleum pipeline and heating cabinet; The outside sheathed prestressing force thermal sleeve of described petroleum pipeline, this petroleum pipeline connects deep fat sleeve pipe or cold oil pipe after the heating cabinet heating.
3. a kind of no oil return heavy oil heat spray combustion system according to claim 1 is characterized in that, on the described deep fat sleeve pipe heavy oil valve is set.
4. a kind of no oil return heavy oil heat spray combustion system according to claim 3 is characterized in that described heavy oil valve is the Heat-insulation valve of band heating interlayer.
5. a kind of no oil return heavy oil heat spray combustion system according to claim 1 is characterized in that, on the described cold oil pipe valve is set.
6. a kind of no oil return heavy oil heat spray combustion system according to claim 1 is characterized in that described deep fat sleeve pipe is the oil pipe that is arranged with the prestressing force thermal sleeve.
7. according to claim 2 or 6 described a kind of no oil return heavy oil heat spray combustion systems; It is characterized in that; Described prestressing force thermal sleeve comprises outer tube, flange and vapor communication pipe; Described outer tube and oil pipe socket, described vapor communication pipe is connected with outer tube through flange, and the junction of the flange between outer tube and the vapor communication pipe is provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010137555A CN102213439B (en) | 2010-04-01 | 2010-04-01 | Thermal spray combustion system without return oil and heavy oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010137555A CN102213439B (en) | 2010-04-01 | 2010-04-01 | Thermal spray combustion system without return oil and heavy oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102213439A CN102213439A (en) | 2011-10-12 |
| CN102213439B true CN102213439B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010137555A Expired - Fee Related CN102213439B (en) | 2010-04-01 | 2010-04-01 | Thermal spray combustion system without return oil and heavy oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102213439B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082814U (en) * | 1990-08-16 | 1991-08-14 | 北镇满族自治县水电安装公司 | Dual-purpose energy-saving oil and gaseous fuel burner |
| WO1999015605A1 (en) * | 1997-09-25 | 1999-04-01 | Ludger Steinmann | Device and method for upgrading energy- and chemical raw materials by reacting them with cheap raw materials |
| US6123540A (en) * | 1996-06-05 | 2000-09-26 | Mitsubishi Heavy Industries, Ltd. | Heavy oil emulsion fuel combustion apparatus |
| CN2508121Y (en) * | 2001-04-09 | 2002-08-28 | 江西航海仪器厂 | Rotary cup type burner |
| CN1262790C (en) * | 2004-03-30 | 2006-07-05 | 陈永元 | Instant emusifying burner using fuel oil/light oil |
| CN201280924Y (en) * | 2008-07-04 | 2009-07-29 | 李保恒 | Steam cycle thick oil heating production pipe column |
| CN201706522U (en) * | 2010-04-01 | 2011-01-12 | 上海亚安电站辅机设备制造有限公司 | Heavy oil combustion device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10164752B4 (en) * | 2001-12-21 | 2011-03-03 | J. Eberspächer GmbH & Co. KG | Fuel line system for supplying fuel to a combustion chamber |
-
2010
- 2010-04-01 CN CN201010137555A patent/CN102213439B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082814U (en) * | 1990-08-16 | 1991-08-14 | 北镇满族自治县水电安装公司 | Dual-purpose energy-saving oil and gaseous fuel burner |
| US6123540A (en) * | 1996-06-05 | 2000-09-26 | Mitsubishi Heavy Industries, Ltd. | Heavy oil emulsion fuel combustion apparatus |
| WO1999015605A1 (en) * | 1997-09-25 | 1999-04-01 | Ludger Steinmann | Device and method for upgrading energy- and chemical raw materials by reacting them with cheap raw materials |
| CN2508121Y (en) * | 2001-04-09 | 2002-08-28 | 江西航海仪器厂 | Rotary cup type burner |
| CN1262790C (en) * | 2004-03-30 | 2006-07-05 | 陈永元 | Instant emusifying burner using fuel oil/light oil |
| CN201280924Y (en) * | 2008-07-04 | 2009-07-29 | 李保恒 | Steam cycle thick oil heating production pipe column |
| CN201706522U (en) * | 2010-04-01 | 2011-01-12 | 上海亚安电站辅机设备制造有限公司 | Heavy oil combustion device |
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| Publication number | Publication date |
|---|---|
| CN102213439A (en) | 2011-10-12 |
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