CN201787261U - Heavy oil conveying pipeline - Google Patents
Heavy oil conveying pipeline Download PDFInfo
- Publication number
- CN201787261U CN201787261U CN2010201963314U CN201020196331U CN201787261U CN 201787261 U CN201787261 U CN 201787261U CN 2010201963314 U CN2010201963314 U CN 2010201963314U CN 201020196331 U CN201020196331 U CN 201020196331U CN 201787261 U CN201787261 U CN 201787261U
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- China
- Prior art keywords
- heavy oil
- oil conveying
- pipe
- oil
- heat
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a heavy oil conveying pipeline, which is formed by a plurality of sections of heavy oil conveying pipelines. Prestress heat sleeves between the adjacent sections of heavy oil conveying pipelines are communicated by steam bridge pipes; each section of heavy oil conveying pipeline comprises a heavy oil conveying pipe, first connecting flanges fixed at the two ends of the heavy oil conveying pipe and the prestress heat sleeves, wherein the prestress heat sleeves are sheathed outside the heavy oil conveying pipe and the two ends of the prestress heat sleeves are welded with the outer pipe wall of the heavy oil conveying pipe and are provided with second connecting flanges connected with the steam bridge pipes. The heavy oil conveying pipeline can ensure that the oil pipeline can be unfrozen and dredged fast after the oil pipeline is condensed and blocked due to the air temperature below 5 DEG C; the smoothness of the heavy oil conveying pipeline can be ensured after steam is heated even though heavy oil is solidified in the heavy oil conveying pipe, the heat exchange efficiency is extremely high and the one-time completion of unfreezing, heating and heat insulation is realized; and simultaneously, the problem of inconsistent heat expansion of an inner pipe and an outer pipe is solved thoroughly, the requirement that a welding port of an oil pipe can be seen completely is met, and mixing of oil and gas can be avoided thoroughly.
Description
Technical field
The utility model relates to a kind of oily conveyance conduit, especially relates to a kind of heavy oil conveyance conduit.
Background technique
Along with riseing of oil price step by step, the Diesel oil price that enterprise's igniting combustion supportings such as thermal power plant, Iron And Steel Plant, cement plant are used sharply rises especially, and it is in rather short supply, this has not only increased the financial cost of enterprises such as thermal power plant, Iron And Steel Plant, cement plant, also tie up simultaneously this very nervous Diesel oil market, do not met the interests that country does not meet enterprise yet.Can substitute the problem that light oil has become enterprise such as many thermal power plants, Iron And Steel Plant, cement plant and scientific research institution and company to study for many years with heavy oil or heat spray fuel oil.
Its price of heavy oil (or heat spray fuel oil) is much cheap with respect to Diesel oil, and (Diesel oil 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) power station? traced it to its cause following some: the one, its viscosity height, the flash-point height, be difficult for carrying, nonflammable, over-emitting black exhaust, befouling environment; The 2nd, all need heating in heavy oil combustion and the course of conveying, the very trouble that operates, maintenance is also big, especially in winter, does not also need heating to prevent that heavy oil (or heat spray fuel oil) from freezing to block pipeline even do not use.
Existing these problems of heavy oil are not too big problem for the unit of those continuous oil firings as glass factory, steel works 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 are saved the benefit of getting off with power plant's combusting heavy oil probably and are all run out of, even not enough.The original designs of enterprise such as Here it is a lot of thermal power plants, Iron And Steel Plant, cement plant itself are exactly RF, but change the true cause that burns Diesel oil afterwards again into, and this also is that heavy oil can not get the reason fully used in the power station simultaneously.
Because the solidifying 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.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of heat exchange efficiency high at above-mentioned existing in prior technology defective, realizes thawing, heat, being incubated once finishing, and thoroughly avoids oil, the vapour heavy oil conveyance conduit of string mutually.
In order to realize the foregoing invention purpose, the technological scheme that the utility model adopted is:
A kind of heavy oil conveyance conduit, be formed by connecting by some joint heavy oil conveyance conduits, prestressing force thermal sleeve between the adjacent segments heavy oil conveyance conduit is communicated with by the steam jumper pipe, each joint heavy oil conveyance conduit comprises the heavy oil delivery pipe and is fixed on first adpting flange at heavy oil delivery pipe two ends and is enclosed within described heavy oil delivery pipe outer and two ends and the prestressing force thermal sleeve that described heavy oil delivery pipe outer tube wall welds, is provided with second adpting flange that is connected with the steam jumper pipe at the two ends of described prestressing force thermal sleeve.
Compared with prior art, the utlity model has following advantage:
(1) can guarantee that oil-piping is lower than 5 ℃ at temperature can quick-thawing and mediation after causing the oil-piping frozen plug, even heavy oil solidifies in pipeline, feed heating steam after, can guarantee unimpededly, heat exchange efficiency is high, realizes thawing, heat, being incubated once and finishing;
(2) 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.
Description of drawings
Fig. 1 is the structural representation of the utility model heavy oil conveyance conduit.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Heavy oil conveyance conduit as shown in Figure 1 is formed by connecting by some joint heavy oil conveyance conduits.Each joint heavy oil conveyance conduit comprises heavy oil delivery pipe 100 and is welded on the adpting flange 110 at heavy oil delivery pipe 100 two ends and is enclosed within the prestressing force thermal sleeve 200 that the outer and two ends of heavy oil delivery pipe 100 and heavy oil delivery pipe 100 outer tube walls weld, be provided with mouthpiece 210 at the two ends of prestressing force thermal sleeve 200, on mouthpiece 210, be welded with adpting flange 211, the two ends of steam jumper pipe 300 also are welded with adpting flange 310, the adpting flange 310 at steam jumper pipe 300 two ends is connected with adjacent two adpting flanges 211 that save on the heavy oil conveyance conduits, prestressing force thermal sleeve 200 in the adjacent two joint heavy oil conveyance conduits can be communicated with, can realize the conveying of steam thus.Between adpting flange 211 and 310, be provided with sealing gasket 400, also be provided with sealing gasket 500 between the adpting flange 110 in adjacent two joint heavy oil conveyance conduits.Because heavy oil delivery line of the present utility model has adopted the oil pipe that is provided with the prestressing force thermal sleeve, well solves 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 the solidifying 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.Using this heavy oil conveyance conduit can guarantee that heavy oil delivery pipe 100 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 the utility model, after in prestressing force thermal sleeve 200, feeding heating steam, can guarantee about 10 minutes, cakey heavy oil in the heavy oil delivery pipe 100 (or heat spray fuel oil) is thawed rapidly, make oil transportation unimpeded.Logical oil in the heavy oil delivery pipe 100 of this heavy oil conveyance conduit, prestressing force thermal sleeve 200 logical 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 perfect combustion, realize thawing, heat, being incubated once and finishing.
Claims (1)
1. heavy oil conveyance conduit, be formed by connecting by some joint heavy oil conveyance conduits, its feature is being: the prestressing force thermal sleeve between the adjacent segments heavy oil conveyance conduit is communicated with by the steam jumper pipe, each joint heavy oil conveyance conduit comprises the heavy oil delivery pipe and is fixed on first adpting flange at heavy oil delivery pipe two ends and is enclosed within described heavy oil delivery pipe outer and two ends and the prestressing force thermal sleeve that described heavy oil delivery pipe outer tube wall welds, is provided with second adpting flange that is connected with the steam jumper pipe at the two ends of described prestressing force thermal sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201963314U CN201787261U (en) | 2010-05-19 | 2010-05-19 | Heavy oil conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201963314U CN201787261U (en) | 2010-05-19 | 2010-05-19 | Heavy oil conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787261U true CN201787261U (en) | 2011-04-06 |
Family
ID=43819224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201963314U Expired - Fee Related CN201787261U (en) | 2010-05-19 | 2010-05-19 | Heavy oil conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787261U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506260A (en) * | 2011-11-08 | 2012-06-20 | 刘振华 | Heating method for export output pipeline of oil field gas well |
| CN102853213A (en) * | 2011-06-30 | 2013-01-02 | 江苏国正新材料科技有限公司 | Efficient heat-insulation pipeline |
| CN109506066A (en) * | 2018-12-20 | 2019-03-22 | 科莱斯（天津）电热科技有限公司 | A kind of liquid conducting pipes induction heating cable crossover assembly |
| CN113028291A (en) * | 2021-03-02 | 2021-06-25 | 洛阳瑞泽石化工程有限公司 | Conduction oil jacketed pipe system |
-
2010
- 2010-05-19 CN CN2010201963314U patent/CN201787261U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853213A (en) * | 2011-06-30 | 2013-01-02 | 江苏国正新材料科技有限公司 | Efficient heat-insulation pipeline |
| CN102506260A (en) * | 2011-11-08 | 2012-06-20 | 刘振华 | Heating method for export output pipeline of oil field gas well |
| CN109506066A (en) * | 2018-12-20 | 2019-03-22 | 科莱斯（天津）电热科技有限公司 | A kind of liquid conducting pipes induction heating cable crossover assembly |
| CN113028291A (en) * | 2021-03-02 | 2021-06-25 | 洛阳瑞泽石化工程有限公司 | Conduction oil jacketed pipe 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: 20110406 Termination date: 20130519 |