CN208138683U - A kind of fuel delivery line tracing system and asphalt station - Google Patents
A kind of fuel delivery line tracing system and asphalt station Download PDFInfo
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- CN208138683U CN208138683U CN201820389983.6U CN201820389983U CN208138683U CN 208138683 U CN208138683 U CN 208138683U CN 201820389983 U CN201820389983 U CN 201820389983U CN 208138683 U CN208138683 U CN 208138683U
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Abstract
The utility model proposes a kind of fuel delivery line tracing system and asphalt stations, including fuel feed pipe and conduction oil delivery pipe, the input end of fuel feed pipe connects tank for gaseous or liquid substances, the outlet end of fuel feed pipe connects burner, conduction oil delivery pipe is arranged along fuel feed pipe, conduction oil delivery pipe includes at least two conduction oil pipeline sections, the import of each conduction oil pipeline section connects heat conduction oil tank, control valve is provided on each conduction oil pipeline section, each conduction oil pipeline section distribution is arranged on fuel feed pipe.The tracing system, on the one hand, the temperature of fuel oil can be made to meet production requirement rapidly, improve heat tracing efficiency；On the other hand, can be with the on-off of each conduction oil pipeline section of independent control by control valve, fuel oil temperature in each segmentation of each fuel feed pipe of independent control, to improve the uniformity of fuel oil heat tracing；Furthermore it is possible to which rationally setting segmentation has apparent advantage to heat tracing efficiency and uniformity is improved according to the length and arrangement of fuel feed pipe.
Description
Technical field
The utility model relates to asphalt equipment technical fields, more specifically, are related to a kind of fuel delivery line heat tracing system
System and asphalt station, in particular for the fuel oil heat tracing temperature control system of asphalt station burner.
Background technique
Asphalt station burner generally uses heavy oil as fuel, and heavy oil cannot pass through at normal temperature burner combustion, must
It must be heated to certain good spray burning of temperature ability, therefore be provided with fuel delivery line tracing system.Existing fuel oil
Conveyance conduit tracing system is to give the fuel oil in heavy oil tank to burner fuel feeding by heavy oil pipeline, intermediate fuel tank and filter.
Heavy oil in pipeline is heated by high temperature heat conductive oil, the head and end of heat conducting oil pipe is provided with manually-operated gate, on fuel tank
One thermometer is set.By artificial observation temperature change, manual switch valve realizes pipe temperature control.
As shown in Fig. 1, heavy oil connects burner by heavy oil pipeline 10 ', is provided with intermediate fuel tank on heavy oil pipeline 10 '
20 ' and filter 30 ', be provided with temperature detecting element 21 ' on intermediate fuel tank 20 ', heat-conducting oil pipes 40 ' along heavy oil pipeline 10 ', in
Between fuel tank 20 ' and filter 30 ' arrange that 10 ' heat tracing of oil-piping (heating) of attaching most importance to is provided with valve 41 ' on heat-conducting oil pipes 40 '.
There are the following problems for the fuel delivery line tracing system of this kind of structure：
(1) in general, heavy oil tank apart from burner farther out, heavy oil pipeline 10 ' is longer, heating slowly, waste time.
(2) when heavy oil pipeline 10 ' is too long, temperature heating is uneven before and after pipeline, often results in the 10 ' import of heavy oil pipeline
Neighbouring heated vaporization, and combustion needs are also not achieved in the heavy oil temperature that heavy oil pipeline 10 ' connects the end of burner, temperature
Control is not easy.
(3) when 10 ' local temperature of heavy oil pipeline is lower, heavy oil frozen plug cannot flow, or even need by artificial
The modes such as heating of making a fire carry out heating heavy oil pipeline 10 ', bother and take a long time.
(4) the temperature control of heavy oil pipeline 10 ' generally requires operator with personal experience's operation, and intelligence degree is low,
It is easy to appear the heavy oil temperature not low situation of higher position.
The Chinese utility model patent of Publication No. CN203364157U discloses a kind of thermostatic control system of burner,
Including the fuel passage being connected with burner, the heat conducting oil pipe being sheathed on fuel passage, the caliber of heat conducting oil pipe is big
In the caliber of fuel passage, it is connected with conduction oil between heat conducting oil pipe and fuel passage, offers oil inlet on heat conducting oil pipe
And oil outlet, oil inlet are connected with inflow pipeline, oil outlet is connected with flowline, and electromagnetism is provided on inflow pipeline
Valve is provided with the temperature sensor of detection fuel oil temperature on fuel passage, and solenoid valve, temperature sensor are connected with control unit
It connects.The fuel oil temperature signal that temperature sensor will test is transferred to control unit, and the switch of solenoid valve is controlled by control unit,
Then control conduction oil heats fuel oil.But the thermostatic control system has in intelligence degree relative to above scheme
Improved, but there are still the leading portion (close to heat-conducting oil pipes import) of heavy oil pipeline and back segment (being exported close to heat-conducting oil pipes) plus
It is hot uneven, when heavy oil pipeline is longer, the slow problem of heating speed, and if there is heavy oil line clogging, processing is inconvenient.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of fuel delivery line tracing system and asphalt station, with
The uniformity and heat tracing efficiency for improving fuel oil heat tracing, so that the temperature of fuel oil be made to meet production requirement rapidly.
On the one hand, the utility model provides a kind of fuel delivery line tracing system, including fuel feed pipe and thermally conductive
Oily delivery pipe, the input end of the fuel feed pipe connect tank for gaseous or liquid substances, and the outlet end of the fuel feed pipe connects burner, institute
It states conduction oil delivery pipe to arrange along the fuel feed pipe, the conduction oil delivery pipe includes at least two conduction oil pipeline sections, often
The import of a conduction oil pipeline section connects heat conduction oil tank, is provided with control valve, each conduction oil pipeline section on each conduction oil pipeline section
Distribution is arranged on the fuel feed pipe.
Above-mentioned fuel delivery line tracing system, it is preferable that further include control unit, the control valve includes electronic
Valve is provided with the temperature detecting element for obtaining fuel oil temperature, institute on the corresponding fuel feed pipe of each conduction oil pipeline section
The signal input part of the signal output end and described control unit of stating temperature detecting element connects, and the signal of described control unit is defeated
Outlet is connect with the motor-driven valve, and described control unit is used to control the electricity according to the detection signal of the temperature detecting element
The movement of dynamic valve.
Above-mentioned fuel delivery line tracing system, it is preferable that further include man-machine interaction unit, the man-machine interaction unit with
Described control unit connection, the man-machine interaction unit are used to be arranged the temperature control parameter of the fuel feed pipe.
Above-mentioned fuel delivery line tracing system, it is preferable that the temperature control parameter includes first threshold and the second threshold
Value, the motor-driven valve that described control unit is used to control corresponding conduction oil pipeline section when fuel oil temperature is lower than first threshold are opened
It opens, and the motor-driven valve for controlling corresponding conduction oil pipeline section when fuel oil temperature is higher than second threshold is closed, described first
Threshold value is less than second threshold.
Above-mentioned fuel delivery line tracing system, it is preferable that intermediate fuel tank and/or mistake are provided on the fuel feed pipe
Filter is provided with temperature detecting element, the signal output end of the temperature detecting element on the intermediate fuel tank and/or filter
It is connect with the signal input part of described control unit.
Above-mentioned fuel delivery line tracing system, it is preferable that the control valve further includes hand-operated valve, the motor-driven valve position
In in the oil inlet section of the conduction oil pipeline section, the hand-operated valve is located in the oil return section of the conduction oil pipeline section.
Above-mentioned fuel delivery line tracing system, it is preferable that manual mode and oneself are provided on the man-machine interaction unit
Dynamic model formula.
Above-mentioned fuel delivery line tracing system, it is preferable that it further include warning device, the warning device and the control
Unit connection, described control unit are used to control the warning device according to the detection signal of the temperature detecting element and alarm.
Above-mentioned fuel delivery line tracing system, it is preferable that the conduction oil delivery pipe further include conduction oil oil inlet pipe and
The import of conduction oil oil return pipe, each conduction oil pipeline section is connect by the conduction oil oil inlet pipe with heat conduction oil tank, each thermally conductive
The outlet of oil pipe section is connect with the conduction oil oil return pipe, and the conduction oil oil return pipe is connect with heat conduction oil tank.
The utility model proposes fuel delivery line tracing system, including fuel feed pipe and conduction oil delivery pipe, combustion
The input end of oily delivery pipe connects tank for gaseous or liquid substances, and the outlet end of fuel feed pipe connects burner, and conduction oil delivery pipe is defeated along fuel oil
Pipe is sent to arrange, conduction oil delivery pipe includes at least two conduction oil pipeline sections, and the import of each conduction oil pipeline section connects heat conduction oil tank,
Control valve is provided on each conduction oil pipeline section, each conduction oil pipeline section distribution is arranged on fuel feed pipe.The heat tracing system
System, due to being provided at least two conduction oil pipeline sections, and the distribution of each conduction oil pipeline section is arranged on fuel feed pipe, it can
By at least two conduction oil pipeline sections to fuel feed pipe segmentally heating, on the one hand, the temperature of fuel oil can be made to meet life rapidly
Production demand improves heat tracing efficiency；It on the other hand, can be with the on-off of each conduction oil pipeline section of independent control, solely by control valve
Fuel oil temperature on the vertical each segmentation (corresponding with each conduction oil pipeline section) of each fuel feed pipe of control, to improve fuel oil companion
The uniformity of heat；Furthermore it is possible to according to the length and arrangement of fuel feed pipe, rationally setting segmentation, to improve heat tracing efficiency and
Uniformity has apparent advantage.
It, can be with each fuel oil of Real-time Feedback by setting control unit and temperature detecting element in further embodiment
Fuel oil temperature in the segmentation of delivery pipe can be controlled in the segmentation then according to ideal fuel oil temperature by motor-driven valve,
The on-off of corresponding conduction oil pipeline section controls the heating to fuel oil, to guarantee the fuel oil in each segmentation of fuel feed pipe
Temperature is in reasonable range.
On the other hand, utility model also proposed a kind of asphalt station, including heavy oil tank, burner and state any described
Fuel delivery line tracing system.
It is also corresponding that there is the fuel delivery line since the asphalt station uses above-mentioned fuel delivery line tracing system
The effect of tracing system, details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.
Fig. 1 is the schematic diagram of fuel delivery line tracing system in the prior art；
Fig. 2 is a kind of schematic diagram of fuel delivery line tracing system provided by the embodiment of the utility model；
Fig. 3 is the control principle drawing of fuel delivery line tracing system provided by the embodiment of the utility model；
Fig. 4 is the control flow chart of fuel delivery line tracing system provided by the embodiment of the utility model.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
On the one hand, Fig. 2-4, fuel delivery line tracing system provided by the utility model are please referred to, fuel oil can be
Heavy oil or other oils that can be used as fuel oil after existing heavy oil, performance boost comprising fuel feed pipe 10 and conduction oil
Delivery pipe 20, the input end of fuel feed pipe 10 connect tank for gaseous or liquid substances, and the outlet end of fuel feed pipe 10 connects burner, and fuel oil is defeated
Send pipe 10 that can arrange using existing and improved structure, conduction oil delivery pipe 20 along fuel feed pipe 10, conduction oil conveying
Pipe 20 includes at least two conduction oil pipeline sections 21, shows 3 conduction oil pipeline sections 21 in Fig. 2,4,5 can also be arranged certainly
Deng more, the import of each conduction oil pipeline section 21 connects heat conduction oil tank (for providing thermally conductive oil sources), each conduction oil pipeline section
Control valve is provided on 21, for the on-off of each conduction oil pipeline section 21 of independent control, each distribution of conduction oil pipeline section 21 is set
It sets on fuel feed pipe 10.
Above-mentioned tracing system, due to being provided at least two conduction oil pipeline sections 21, and each conduction oil pipeline section 21 is distributed
It is arranged on fuel feed pipe 10, it can by least two conduction oil pipeline sections 21 to 10 segmentally heating of fuel feed pipe, one
Aspect can make the temperature of fuel oil meet production requirement rapidly, improve heat tracing efficiency；It on the other hand, can be with by control valve
The on-off of each conduction oil pipeline section 21 of independent control, each segmentation of each fuel feed pipe 10 of independent control is (with each conduction oil
Pipeline section 21 is corresponding) on fuel oil temperature, to improve the uniformity of fuel oil heat tracing；Furthermore it is possible to according to fuel feed pipe 10
Length and arrangement, rationally setting segmentation have apparent advantage to heat tracing efficiency and uniformity is improved.
Above-mentioned fuel delivery line tracing system, it is preferable that as shown in figure 3, further including control unit 30, control valve packet
Motor-driven valve 22 is included, the temperature for obtaining fuel oil temperature is provided on the corresponding fuel feed pipe 10 of each conduction oil pipeline section 21
Detecting element 23 (the various temperature sensors for being suitble to fuel testing), the signal output end and control unit of temperature detecting element 23
30 signal input part connection, the signal output end of control unit 30 are connect with motor-driven valve 22, and control unit 30 is used for according to temperature
Spend the movement of the detection signal control motor-driven valve 22 of detecting element 23.It, can be real-time by temperature detecting element 23 in the program
The fuel oil temperature in the segmentation of each fuel feed pipe 10 is fed back, then according to ideal fuel oil temperature, motor-driven valve can be passed through
22, it controls in the segmentation, the on-off of corresponding conduction oil pipeline section 21, controls the heating to fuel oil.For example, when detecting that fuel oil is defeated
Send first fuel oil temperature being segmented on (first left) of pipe 10 excessively high, and the combustion in third segmentation (first, the right)
When oil temperature is too low, 22 predetermined time of motor-driven valve of first conduction oil pipeline section 21 can be closed, it is thermally conductive to open simultaneously third
Motor-driven valve 22 in oil pipe section 21, to guarantee that the fuel oil temperature in each segmentation of fuel feed pipe 10 is in reasonable model
It encloses.
Meanwhile above-mentioned fuel delivery line tracing system, it can also include man-machine interaction unit 40, man-machine interaction unit 40
It being connect with control unit 30, man-machine interaction unit 40 is used to be arranged the temperature control parameter of fuel feed pipe 10, it is of course also possible to
Show the temperature conditions in each segmentation of fuel feed pipe 10.By the way that man-machine interaction unit 40 is arranged, fuel oil conveying can be set
The temperature control parameter of pipe 10, specifically, temperature control parameter may include first threshold and second threshold, and control unit 30 is used
It is opened in the motor-driven valve 22 for controlling corresponding conduction oil pipeline section 21 when fuel oil temperature is lower than first threshold, and in fuel oil temperature
The motor-driven valve 22 that corresponding conduction oil pipeline section 21 is controlled when higher than second threshold is closed, and first threshold is less than second threshold.For example, working as
Detect that the fuel oil temperature on first segmentation (first left) of fuel feed pipe 10 is higher than second threshold, and third is divided
When fuel oil temperature in section (first, the right) is lower than first threshold, the motor-driven valve 22 of first conduction oil pipeline section 21 can be closed
Predetermined time opens simultaneously the motor-driven valve 22 on third conduction oil pipeline section 21, to guarantee each point of fuel feed pipe 10
Fuel oil temperature in section is in reasonable range.First threshold and second threshold specifically can be according to the kinds and burning of fuel oil
The demand of device is configured, between first threshold and second threshold, as this kind of preferred combustion reference temperature of fuel oil.
It should be noted that if there is necessity, different first can be arranged to different be segmented of fuel feed pipe 10
Threshold value and second threshold.It is of course also possible to which a target value is only arranged in the different segmentations to fuel feed pipe 10.
Above-mentioned fuel delivery line tracing system, it is preferable that intermediate fuel tank 50 and/or mistake are provided on fuel feed pipe 10
Filter 60 is provided with temperature detecting element 23, the signal output of temperature detecting element 23 on intermediate fuel tank 50 and/or filter 60
End is connect with the signal input part of control unit 30.Intermediate fuel tank 50 and filter 60 can with specific reference to the prior art, certainly,
The signal that can also be fed back according to the temperature detecting element 23 on intermediate fuel tank 50 and filter 60, controls corresponding heat-conducting oil pipes
The on-off of section 21, to be heated to intermediate fuel tank 50 and filter 60.
Above-mentioned fuel delivery line tracing system, it is preferable that control valve further includes hand-operated valve 24, and motor-driven valve 22, which is located at, leads
In the oil inlet section of hot oil pipeline section 21, hand-operated valve 24 is located in the oil return section of conduction oil pipeline section 21.The setting of hand-operated valve 24, Ke Yishi
Now to the emergency flight control on each conduction oil pipeline section 21.
Above-mentioned fuel delivery line tracing system, it is preferable that manual mode and automatic is provided on man-machine interaction unit 40
Mode.As shown in figure 4, artificial selection uses automatic mode or manual mode when man-machine interaction unit 40 starts, according to
Automatic mode then by 40 set target value of man-machine interaction unit, such as first threshold and second threshold, while passing through each temperature
The signal that detecting element 23 is fed back is spent, determines whether the fuel oil in each segmentation of fuel feed pipe 10 reaches target temperature (model
Enclose) or it is no between first threshold and second threshold, if miss the mark temperature, or be lower than first threshold, then open correspondence
Conduction oil pipeline section 21 on motor-driven valve open, to be heated to the segmentation of the fuel feed pipe 10, while temperature detection
Fuel oil temperature in the segmentation of 23 real-time detection of element；If control unit 30 according to the temperature signal of feedback, determines in the segmentation
Fuel oil temperature had reached target, or be more than second threshold, then close the motor-driven valve on corresponding conduction oil pipeline section 21, stop
To the heating in the fuel feed pipe 10 segmentation, and information reminding and display can be carried out by man-machine interaction unit 40.Work as people
To select manual mode, then motor-driven valve can be opened to some of fuel feed pipe 10 by man-machine interaction unit 40 or material object
Segmentation is heated, then by artificially judging that the temperature in the segmentation can close the motor-driven valve after reaching requirement, when
When some fuel feed pipe has blocking, by manual mode, blocking section can be specially heated, dredging is faster, more acurrate.
Above-mentioned fuel delivery line tracing system, it is preferable that further include warning device 70, warning device 70 and control unit
30 connections, control unit 30 are used to control warning device 70 according to the detection signal of temperature detecting element 23 and alarm, and prompt operation
Hand.For example alarm when temperature is lower than first threshold, it also alarms when temperature is higher than second threshold, warning device can
To be only arranged one, multiple variant segmentations corresponding to fuel feed pipe 10 also can be set.
Above-mentioned fuel delivery line tracing system, as shown in Figure 2, it is preferable that conduction oil delivery pipe 20 further includes conduction oil
The import of oil inlet pipe 25 and conduction oil oil return pipe 26, each conduction oil pipeline section 21 is connected by conduction oil oil inlet pipe 25 and heat conduction oil tank
It connects, the outlet of each conduction oil pipeline section 21 is connect with conduction oil oil return pipe 26, and conduction oil oil return pipe 26 is connect with heat conduction oil tank.It leads
Hot oil oil inlet pipe 25 and conduction oil oil return pipe 26, it is ensured that each conduction oil pipeline section 21 has unified conduction oil source, mentions
Fuel oil temperature in each segmentation of high fuel feed pipe 10 is balanced.
On the other hand, utility model also proposed a kind of asphalt station, including heavy oil tank, burner, meanwhile, including above-mentioned
A kind of fuel delivery line tracing system, the import of the fuel feed pipe 10 of the system connect heavy oil tank, outlet connection burning
Device.
It is also corresponding that there is the fuel delivery line since the asphalt station uses above-mentioned fuel delivery line tracing system
The effect of tracing system.On the one hand, the temperature of fuel oil can be made to meet production requirement rapidly, improve heat tracing efficiency；On the other hand,
, can be with the on-off of each conduction oil pipeline section 21 of independent control by control valve, each fuel feed pipe 10 of independent control is each
Fuel oil temperature in segmentation, to improve the uniformity of fuel oil heat tracing；Furthermore it is possible to according to the length and cloth of fuel feed pipe 10
It sets, rationally setting segmentation, to heat tracing efficiency and uniformity is improved, there is apparent advantage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of fuel delivery line tracing system, including fuel feed pipe (10) and conduction oil delivery pipe (20), the fuel oil
The input end of delivery pipe (10) connects tank for gaseous or liquid substances, and the outlet end of the fuel feed pipe (10) connects burner, the conduction oil
Delivery pipe (20) is arranged along the fuel feed pipe (10), which is characterized in that the conduction oil delivery pipe (20) includes at least two
A conduction oil pipeline section (21), the import of each conduction oil pipeline section (21) connect heat conduction oil tank, set on each conduction oil pipeline section (21)
It is equipped with control valve, each conduction oil pipeline section (21) distribution is arranged on the fuel feed pipe (10).
2. fuel delivery line tracing system according to claim 1, which is characterized in that further include control unit (30), institute
Stating control valve includes motor-driven valve (22), is provided with and is used on the corresponding fuel feed pipe (10) of each conduction oil pipeline section (21)
Obtain the temperature detecting element (23) of fuel oil temperature, the signal output end and described control unit of the temperature detecting element (23)
(30) signal input part connection, the signal output end of described control unit (30) are connect with the motor-driven valve (22), the control
Unit (30) processed is used to control the movement of the motor-driven valve (22) according to the detection signal of the temperature detecting element (23).
3. fuel delivery line tracing system according to claim 2, which is characterized in that further include man-machine interaction unit
(40), the man-machine interaction unit (40) connect with described control unit (30), and the man-machine interaction unit (40) is for being arranged
The temperature control parameter of the fuel feed pipe (10).
4. fuel delivery line tracing system according to claim 3, which is characterized in that the temperature control parameter includes the
One threshold value and second threshold, described control unit (30) are used to control corresponding heat-conducting oil pipes when fuel oil temperature is lower than first threshold
The motor-driven valve (22) of section (21) is opened, and for controlling corresponding conduction oil pipeline section when fuel oil temperature is higher than second threshold
(21) the motor-driven valve (22) is closed, and the first threshold is less than second threshold.
5. fuel delivery line tracing system according to claim 3, which is characterized in that set on the fuel feed pipe (10)
It is equipped with intermediate fuel tank (50) and/or filter (60), temperature inspection is provided on the intermediate fuel tank (50) and/or filter (60)
It surveys element (23), the signal output end of the temperature detecting element (23) and the signal input part of described control unit (30) connect
It connects.
6. fuel delivery line tracing system according to claim 5, which is characterized in that the control valve further includes manual
Valve (24), the motor-driven valve (22) are located in the oil inlet section of the conduction oil pipeline section (21), and the hand-operated valve (24) is located at described
In the oil return section of conduction oil pipeline section (21).
7. fuel delivery line tracing system according to claim 6, which is characterized in that on the man-machine interaction unit (40)
It is provided with manual mode and automatic mode.
8. fuel delivery line tracing system according to claim 2, which is characterized in that further include warning device (70), institute
It states warning device (70) to connect with described control unit (30), described control unit (30) is used for according to the temperature detecting element
(23) detection signal controls warning device (70) alarm.
9. any one of -8 fuel delivery line tracing system according to claim 1, which is characterized in that the conduction oil conveying
Managing (20) further includes conduction oil oil inlet pipe (25) and conduction oil oil return pipe (26), and the import of each conduction oil pipeline section (21) passes through institute
It states conduction oil oil inlet pipe (25) to connect with heat conduction oil tank, the outlet of each conduction oil pipeline section (21) and the conduction oil oil return pipe
(26) it connects, the conduction oil oil return pipe (26) connect with heat conduction oil tank.
10. a kind of asphalt station, including heavy oil tank and burner, which is characterized in that further include as described in claim any one of 1-9
Fuel delivery line tracing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389983.6U CN208138683U (en) | 2018-03-21 | 2018-03-21 | A kind of fuel delivery line tracing system and asphalt station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820389983.6U CN208138683U (en) | 2018-03-21 | 2018-03-21 | A kind of fuel delivery line tracing system and asphalt station |
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| CN208138683U true CN208138683U (en) | 2018-11-23 |
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| CN201820389983.6U Active CN208138683U (en) | 2018-03-21 | 2018-03-21 | A kind of fuel delivery line tracing system and asphalt station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958791A (en) * | 2021-10-13 | 2022-01-21 | 中国铁路兰州局集团有限公司兰州工务机械段 | Heating device suitable for coupling water pipeline of steel rail flaw detection vehicle |
| CN117190074A (en) * | 2023-11-07 | 2023-12-08 | 山东港源管道物流有限公司 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
-
2018
- 2018-03-21 CN CN201820389983.6U patent/CN208138683U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958791A (en) * | 2021-10-13 | 2022-01-21 | 中国铁路兰州局集团有限公司兰州工务机械段 | Heating device suitable for coupling water pipeline of steel rail flaw detection vehicle |
| CN117190074A (en) * | 2023-11-07 | 2023-12-08 | 山东港源管道物流有限公司 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
| CN117190074B (en) * | 2023-11-07 | 2024-01-30 | 山东港源管道物流有限公司 | Crude oil pipeline for anti-solidification petroleum transportation and control system and control method thereof |
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