CN203428284U - Heating device for oil unloading of rail viscous oil tank car - Google Patents
Heating device for oil unloading of rail viscous oil tank car Download PDFInfo
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- CN203428284U CN203428284U CN201320394695.7U CN201320394695U CN203428284U CN 203428284 U CN203428284 U CN 203428284U CN 201320394695 U CN201320394695 U CN 201320394695U CN 203428284 U CN203428284 U CN 203428284U
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- heating
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- tank car
- unloading
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Abstract
The utility model discloses a heating device for oil unloading of a rail viscous oil tank car. The viscous oil tank car is communicated with a short oil unloading pipe through an unloading valve, a partial reinforcing heating interlayer is arranged on the outer side of the tank wall at the periphery of an oil unloading opening of the viscous oil tank car, a heating jacket is arranged outside the short oil unloading pipe, the partial reinforcing heating interlayer is communicated with the short oil unloading pipe through a hot flow pipe, heating media are arranged in the hot flow pipe, the partial reinforcing heating interlayer and the heating jacket respectively, heated oil is adopted in the heating media, an inlet, an outlet and a circulating tank are arranged in the partial reinforcing heating interlayer, the inlet is communicated with the outlet through the circulating tank, and the outlet is communicated with the heating jacket through the hot flow pipe. According to the heating device for oil unloading of the rail viscous oil tank car, the heat boundary layer drag reduction principle of viscous oil is used, and heating is carried out on the pipe wall or the outer wall of a liquid flowing container; due to the fact that the temperature of the portion, close to the thin wall surface layer, of the interior of the heat boundary layer is high, the fluid viscosity is lowest, friction loss of fluid is reduced, the energy requirement is reduced, the purpose of directly conveying the viscous oil without heating is achieved, and the heating device for oil unloading of the rail viscous oil tank car has good popularization and application value.
Description
Technical field
The utility model belongs to sticky RTC unloading technical field, relates in particular to a kind of heating arrangement for the sticky RTC unloading of railway.
Background technology
Viscous oil is received and dispatched, transport with filling operation in, conventionally to heat viscous oil, to reduce its viscosity, strengthen flow property.Railway viscous oil tank car is as the transportation means of viscous oil, and operated by rotary motion has heating system, to viscous oil in tank is heated, strengthens viscous oil flowing power, draws off smoothly oil product.Can say that the quality of heating system performance becomes an important indicator of railway viscous oil tank car technical performance.For the performance of railway viscous oil tank car heating system, also relate to the selection problem of thermal medium.
At present, when China carries out emptying operation to railway viscous oil tank car, all adopt steam-heated method, by burning in boiler steam, in Steam pressure control 0.5Mpa, pass into heating interlayer or the heating pipe built-in dish of railway viscous oil tank car, according to the viscosity-temperature characteristics of different oil products, implement emptying operation after oil product being heated to the temperature of regulation.According to oil depot, working practice for many years shows, this method of heating exist to be prepared and the problem such as time of heat is grown, boiler investment cost is large, energy utilization rate is low and environmental pollution is serious.
The technical scheme of prior art one: railway viscous oil tank car generally adopts the steam heating mode of external heat nested structure at present.Lower part parcel one deck sheet steel at railway viscous oil tank car, between tank wall and sheet steel, with angle steel, weld, centre is left space and is circulated for steam, form the structure of a heating interlayer, when in tank car, medium need to heat, steam passes into from outside, enters heating interlayer viscous oil is heated.As figure below
The shortcoming of prior art one: (1) preparation and time of heat are long, and the inspection work being mainly reflected in before raise steam is loaded down with trivial details, must guarantee that all steaming plants are intact;
(2) boiler investment cost is large, and Occupation coefficient is low, and management maintenance is difficult.Build a boiler room, one-time investment expense reaches hundreds of thousands of, and existing most of oil depots to receive and dispatch in the winter time viscous oil less, the Occupation coefficient of boiler is low, has caused management maintenance at ordinary times not in place, the steam accessory equipments such as boiler are aging, failure frequency rising phenomenon;
(3) steam-heated energy utilization rate is low, and when the steam boiler of burning coal is worked, labour intensity is large, and environmental pollution is serious;
(4) need to heat viscous oil tank car comprehensively, after the whole intensification of whole viscous oils, just can unload, production time is long;
(5) heat process is all manual operation, can not realize automation and control.
The technical scheme of prior art two: the whole heat protocol of railway viscous oil tank car infrared ray: by special-purpose Infrared High-Power line generating means, by ultrared radiation effect, heating rests in the railway viscous oil tank car outer wall on platform, and heat is conducted to the viscous oil in tank car and made to realize unloading of viscous oil after its whole heating that heats up by outer wall.
The shortcoming of prior art two: (1) need consumption of current larger complete equipment, one-time investment is large;
(2) heat has passed through secondary-conduction and truck tanker steel plate external cooling, and the efficiency of heating surface is lower;
(3) viscous oil in whole truck tanker all just can be unloaded after heating, and time of heat is long.
Utility model content
The utility model provides a kind of heating arrangement for the sticky RTC unloading of railway, while being intended to solve the sticky RTC unloading operation heating of current railway, the problem that cost is higher, investment is large, the efficiency of heating surface is lower, energy utilization rate is low, time of heat is long, automatization level is lower of type of heating.
The purpose of this utility model is to provide a kind of heating arrangement for the sticky RTC unloading of railway, described heating arrangement comprises: viscous oil tank car, lower discharge valve, emptying short tube, viscous oil tank car is connected with emptying short tube by lower discharge valve, and this heating arrangement also comprises: heat flow tube, local strengthening heating interlayer, heating jacket;
The unloading port that described local strengthening heating interlayer is arranged on described viscous oil tank car is the outside of tank skin around, and described heating jacket is arranged on the outside of described emptying short tube, and described local strengthening heater mat is connected with described emptying short tube by described heat flow tube.
Further, in described heat flow tube, local strengthening heating interlayer and heating jacket, be provided with and add thermal medium.
Further, add thermal medium and adopt heating oil.
Further, in described local strengthening heating interlayer, be provided with import, outlet, circulation groove;
Described import is connected with described outlet by described circulation groove, and described outlet is connected with described heating jacket by heat flow tube.
The heating arrangement for the sticky RTC unloading of railway that the utility model provides, viscous oil tank car is connected with emptying short tube by lower discharge valve, the unloading port that local strengthening heating interlayer is arranged on viscous oil tank car is the outside of tank skin around, heating jacket is arranged on the outside of emptying short tube, local strengthening heater mat is connected with emptying short tube by heat flow tube, heat flow tube, in local strengthening heating interlayer and heating jacket, be provided with and add thermal medium, add thermal medium and adopt heating oil, in local strengthening heating interlayer, be provided with import, outlet, circulation groove, import is connected with outlet by circulation groove, outlet is connected with heating jacket by heat flow tube, this heating arrangement utilizes the thermal boundary layer drag principle of viscous oil, outer wall heating at tube wall or flow of liquid container, because the temperature of pressing close in thermal boundary layer in wall thin layer is higher, fluid viscosity is minimum, reduced the friction loss of liquid, saved energy requirement, reach viscous oil and do not heated the object of direct conveying, simple in structure, practical, having stronger propagation and employment is worth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heating arrangement for the sticky RTC unloading of railway that provides of the utility model embodiment.
In figure: 1, viscous oil tank car; 2, lower discharge valve; 3, emptying short tube; 4, heat flow tube; 5, local strengthening heating interlayer; 51, import; 52, outlet; 53, circulation groove; 6, heating jacket.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction utility model.
Fig. 1 shows the structure of the heating arrangement for railway viscous oil tank car 1 emptying that the utility model embodiment provides.For the ease of utility model, only show the part relevant to the utility model.
This heating arrangement comprises: viscous oil tank car 1, lower discharge valve 2, emptying short tube 3, and viscous oil tank car 1 is connected with emptying short tube 3 by lower discharge valve 2, and this heating arrangement also comprises: heat flow tube 4, local strengthening heating interlayer 5, heating jacket 6;
The unloading port that local strengthening heating interlayer 5 is arranged on viscous oil tank car 1 is the outside of tank skin around, and heating jacket 6 is arranged on the outside of emptying short tube 3, and local strengthening heater mat is connected with emptying short tube 3 by heat flow tube 4.
In the utility model embodiment, in heat flow tube 4, local strengthening heating interlayer 5 and heating jacket 6, be provided with and add thermal medium.
In the utility model embodiment, add thermal medium and adopt heating oil.
In the utility model embodiment, in local strengthening heating interlayer 5, be provided with import 51, export 52, circulation groove 53;
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
The utility model design provides a kind of heating arrangement that is applicable to railway viscous oil tank car 1, replaces the steam heating mode falling behind at present, overcomes existing heating system firing rate slow, and energy utilization rate is low, operates inconvenient problem.
The complete skill scheme that the utility model provides:
(1) know-why
Utilize the thermal boundary layer drag principle of viscous oil, near the oil outlet of unloading, local strengthening heating interlayer 5 of design, carries out local infrared electric heating, realizes energy maximum using.
Action principle is: the outer wall at tube wall or flow of liquid container imposes less electric energy (electric energy conversion is heat energy), when flow of liquid, the affected zone of fluid temperature reduces gradually, the heat of wall liquid absorption also has little time to reach liquid internal and by flowing liquid, is taken away, temperature drop is mainly confined in the thin layer of wall, and has very large thermal drop; Because the temperature of pressing close in thermal boundary layer in wall thin layer is higher, fluid viscosity is minimum, has reduced the friction loss of liquid, has saved energy requirement simultaneously, thereby has reached the object that most of viscous oil does not heat direct conveying.
(2) technique forms
The utility model goes out tank skin and the peripheral local strengthening heating interlayer 5 that an augmentation of heat transfer is installed of emptying short tube 3 around in railway viscous oil tank car 1 unloading port, in local strengthening heating interlayer 5, pass into and add thermal medium (as heat conduction wet goods), heating arrangement and technological process are as shown in Figure 1.
Adding thermal medium enters and adds layer from the import 51 in local strengthening heating interlayer 5 left sides, circulation groove 53 through heating interlayer, outlet 52 from right side, through heat flow tube 4, enter again emptying short tube 3 heating jackets 6, viscous oil to emptying short tube 3 is entered heat, then flow into surrounding air (air) or carry out circulating reflux (hot water and conduction oil), the wall of thermal medium process heats up rapidly, the viscous oil temperature of pressing close to wall also raises rapidly, viscosity sharply declines, formed after the mobile perfect condition of thermal boundary layer, can open oil drain valve and carry out emptying.
The heating arrangement for railway viscous oil tank car 1 emptying that the utility model embodiment provides, viscous oil tank car 1 is connected with emptying short tube 3 by lower discharge valve 2, the unloading port that local strengthening heating interlayer 5 is arranged on viscous oil tank car 1 is the outside of tank skin around, heating jacket 6 is arranged on the outside of emptying short tube 3, local strengthening heater mat is connected with emptying short tube 3 by heat flow tube 4, heat flow tube 4, in local strengthening heating interlayer 5 and heating jacket 6, be provided with and add thermal medium, add thermal medium and adopt heating oil, in local strengthening heating interlayer 5, be provided with import 51, outlet 52, circulation groove 53, import 51 is connected with outlet 52 by circulation groove 53, outlet 52 is connected with heating jacket 6 by heat flow tube 4, this heating arrangement utilizes the thermal boundary layer drag principle of viscous oil, outer wall heating at tube wall or flow of liquid container, because the temperature of pressing close in thermal boundary layer in wall thin layer is higher, fluid viscosity is minimum, reduced the friction loss of liquid, saved energy requirement, reach viscous oil and do not heated the object of direct conveying, simple in structure, practical, having stronger propagation and employment is worth.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the heating arrangement for the sticky RTC unloading of railway, described heating arrangement comprises: viscous oil tank car, lower discharge valve, emptying short tube, viscous oil tank car is connected with emptying short tube by lower discharge valve, it is characterized in that, this heating arrangement also comprises: heat flow tube, local strengthening heating interlayer, heating jacket;
The unloading port that described local strengthening heating interlayer is arranged on described viscous oil tank car is the outside of tank skin around, and described heating jacket is arranged on the outside of described emptying short tube, and described local strengthening heater mat is connected with described emptying short tube by described heat flow tube.
2. heating arrangement as claimed in claim 1, is characterized in that, in described heat flow tube, local strengthening heating interlayer and heating jacket, is provided with and adds thermal medium.
3. heating arrangement as claimed in claim 2, is characterized in that, adds thermal medium and adopts heating oil.
4. heating arrangement as claimed in claim 1, is characterized in that, in described local strengthening heating interlayer, is provided with import, outlet, circulation groove;
Described import is connected with described outlet by described circulation groove, and described outlet is connected with described heating jacket by heat flow tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394695.7U CN203428284U (en) | 2013-06-29 | 2013-06-29 | Heating device for oil unloading of rail viscous oil tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320394695.7U CN203428284U (en) | 2013-06-29 | 2013-06-29 | Heating device for oil unloading of rail viscous oil tank car |
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| Publication Number | Publication Date |
|---|---|
| CN203428284U true CN203428284U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320394695.7U Expired - Fee Related CN203428284U (en) | 2013-06-29 | 2013-06-29 | Heating device for oil unloading of rail viscous oil tank car |
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| CN (1) | CN203428284U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185088A (en) * | 2016-08-29 | 2016-12-07 | 四川启昌管道工程有限责任公司 | A kind of Novel oil storage tank for petroleum storage transport |
-
2013
- 2013-06-29 CN CN201320394695.7U patent/CN203428284U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106185088A (en) * | 2016-08-29 | 2016-12-07 | 四川启昌管道工程有限责任公司 | A kind of Novel oil storage tank for petroleum storage transport |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140629 |
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| EXPY | Termination of patent right or utility model |