CN201706522U - Heavy oil combustion device - Google Patents
Heavy oil combustion device Download PDFInfo
- Publication number
- CN201706522U CN201706522U CN201020148424XU CN201020148424U CN201706522U CN 201706522 U CN201706522 U CN 201706522U CN 201020148424X U CN201020148424X U CN 201020148424XU CN 201020148424 U CN201020148424 U CN 201020148424U CN 201706522 U CN201706522 U CN 201706522U
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- oil
- pipe
- heavy oil
- heavy
- deep fat
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Abstract
The utility model relates to a heavy oil combustion device. A system of the heavy oil combustion device includes an oil inlet and outlet pipe antifreeze system, a hot oil casing pipe and a cold oil pipe, the oil inlet and outlet pipe antifreeze system is arranged at the positions of inlets and outlets of a heavy oil tank and a light oil tank, the hot oil casing pipe is connected with the heavy oil tank and a boiler, and the cold oil pipe is connected with the light oil tank and the boiler. Compared with the prior art, the heavy oil combustion device without frozen dead corners can completely realize heavy oil combustion without oil return and circulation needs, is complete and sufficient in combustion without black smoke, does not need continuous heating and circulating, avoids a large amount of energy resource and running cost consumption, and saves valuable light diesel oil.
Description
Technical field
The utility model relates to a kind of burner, especially relates to a kind of heavy oil 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 height, flash-point height, difficult conveying, nonflammable, over-emitting black exhaust; The 2nd,, burning and conveying all need heating, and troublesome poeration, maintenance are also big, especially in winter, also do not need heating to prevent that heavy oil (or heat spray fuel oil) from freezing to block pipeline even do not use.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 standby 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 saved 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 purpose of this utility model 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 heavy oil combustion system that need not to circulate.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of heavy oil 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, this turnover oil pipe winterization system is made up of petroleum pipeline and heating cabinet, and the outside sheathed prestressing force thermal sleeve of described petroleum pipeline, this petroleum pipeline pass heating cabinet and connect deep fat sleeve pipe or cold oil pipe, described deep fat sleeve pipe connects heavy oil tank and boiler, and described cold oil pipe connects light oil jar and boiler.
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 prestressing force thermal sleeve comprises outer tube, flange and vapor communication pipe, described outer tube and oil pipe socket, and described vapor communication pipe is connected with outer tube by flange, and the junction of outer tube and flange is provided with pad.
Compared with prior art, the utility model 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, do not have and freeze the dead angle, the heavy oil that realize no oil return, need not to circulate (heat spray fuel oil) burning, make heavy oil (heat spray fuel oil) burning simplification and burning fully, economic performance accesses and guarantees and embodiment, 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 utility model;
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 the drawings and specific embodiments the utility model is elaborated.
Embodiment
A kind of heavy oil combustion system, its structure 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, deep fat sleeve pipe 2 connects heavy oil tank 6 and boiler 8, and cold oil pipe 3 connects light oil jar 7 and boiler 8.
Advancing of oil tank, the recirculation pipe that flowline and oil pump export to oil tank faces the possibility of freezing to solidify equally when hanging down temperature, 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, the outside sheathed prestressing force thermal sleeve 22 of petroleum pipeline 11, petroleum pipeline 11 connects deep fat sleeve pipe 2 or cold oil pipe 3 and oil pump outlet after heating cabinet 12 heating, guarantee advancing of oil tank, flowline and recirculation oil pipe are under the weather conditions that low temperature solidifies, after feeding heat medium, the heavy oil that solidifies of thaw (or heat spray fuel oil) 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 by 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 feeding heating steam in the ring-like passage between prestressing force thermal sleeve 22 and petroleum pipeline 11 and oil pipe 21, can guarantee about 10 minutes, 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, interlayer between the inner and outer pipes leads to steam, 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 and finishing, 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, just do not need oil return system yet, just can realize the trouble-free burning of heavy oil (or heat spray 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 utility model comprises 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 and finishes, 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 more and more higher 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, walk on one side, be heated on one side, 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 and sufficient, at all can be not poorer than using light diesel fuel.
4, heavy oil (or heat spray fuel oil) burning is more complete, efficient is higher, and over-emitting black exhaust not, and maintenance is also littler.
Claims (6)
1. heavy oil 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, this 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 passes heating cabinet and connects deep fat sleeve pipe or cold oil pipe, 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 heavy oil combustion system according to claim 1 is characterized in that, on the described deep fat sleeve pipe heavy oil valve is set.
3. a kind of heavy oil combustion system according to claim 2 is characterized in that, described heavy oil valve is the Heat-insulation valve of band heating interlayer.
4. a kind of heavy oil combustion system according to claim 1 is characterized in that, on the described cold oil pipe valve is set.
5. a kind of heavy oil 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.
6. a kind of according to claim 1 or 5 heavy oil combustion system, 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 by flange, and the junction of outer tube and flange is provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020148424XU CN201706522U (en) | 2010-04-01 | 2010-04-01 | Heavy oil combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020148424XU CN201706522U (en) | 2010-04-01 | 2010-04-01 | Heavy oil combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706522U true CN201706522U (en) | 2011-01-12 |
Family
ID=43443681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020148424XU Expired - Fee Related CN201706522U (en) | 2010-04-01 | 2010-04-01 | Heavy oil combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706522U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213439A (en) * | 2010-04-01 | 2011-10-12 | 上海亚安电站辅机设备制造有限公司 | Thermal spray combustion system without return oil and heavy oil |
| CN103821648A (en) * | 2014-03-25 | 2014-05-28 | 上海海事大学 | Marine heavy fuel oil purifying and heating system |
| CN103821648B (en) * | 2014-03-25 | 2016-11-30 | 上海海事大学 | A kind of reduced fuel oil peculiar to vessel purifies heating system |
-
2010
- 2010-04-01 CN CN201020148424XU patent/CN201706522U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213439A (en) * | 2010-04-01 | 2011-10-12 | 上海亚安电站辅机设备制造有限公司 | Thermal spray combustion system without return oil and heavy oil |
| CN102213439B (en) * | 2010-04-01 | 2012-10-10 | 上海亚安电站辅机设备制造有限公司 | Thermal spray combustion system without return oil and heavy oil |
| CN103821648A (en) * | 2014-03-25 | 2014-05-28 | 上海海事大学 | Marine heavy fuel oil purifying and heating system |
| CN103821648B (en) * | 2014-03-25 | 2016-11-30 | 上海海事大学 | A kind of reduced fuel oil peculiar to vessel purifies heating system |
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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: 20110112 Termination date: 20110401 |