TWI495611B - Fuel oil transfer device - Google Patents

Fuel oil transfer device Download PDF

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Publication number
TWI495611B
TWI495611B TW099135434A TW99135434A TWI495611B TW I495611 B TWI495611 B TW I495611B TW 099135434 A TW099135434 A TW 099135434A TW 99135434 A TW99135434 A TW 99135434A TW I495611 B TWI495611 B TW I495611B
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Taiwan
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fuel oil
tank
transfer
pipe
storage tank
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TW099135434A
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Chinese (zh)
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TW201202121A (en
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Takayasu Chijinami
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Hokushin Engineering Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/36Arrangements of flow- or pressure-control valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H21/00Use of propulsion power plant or units on vessels
    • B63H21/38Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/58Arrangements of pumps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B67OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67DDISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06Details or accessories
    • B67D7/78Arrangements of storage tanks, reservoirs or pipe-lines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Feeding And Controlling Fuel (AREA)

Description

燃料油移送裝置Fuel oil transfer device

本發明是關於船舶、發電機等鍋爐(以下,稱為「船舶等」)的燃料油移送裝置,特別是用來防止燃料油淨化槽及/或燃料油提供槽中被加熱的燃料油於停止中的自然流下或者逆流的燃料油移送裝置。The present invention relates to a fuel oil transfer device for a boiler such as a ship or a generator (hereinafter referred to as a "ship or the like"), and particularly for preventing the fuel oil in the fuel oil purification tank and/or the fuel oil supply tank from being stopped. A natural fuel flow or countercurrent fuel oil transfer device.

在船舶等中,在對引擎供給燃料油時,通常,首先是藉由移送泵使燃料油從燃料油儲藏槽通過移送管而送達燃料油淨化槽,接著,從該燃料油淨化槽送達燃料油提供槽(燃料油小量排出槽),再從該處將燃料油供給至引擎。此時,燃料油儲藏槽中的燃料油為了降低黏度以便於移送,則有必要加溫。In a ship or the like, when fuel oil is supplied to the engine, first, the fuel oil is first sent to the fuel oil purification tank from the fuel oil storage tank through the transfer pipe by the transfer pump, and then the fuel oil is delivered from the fuel oil purification tank. A tank (a small amount of fuel oil discharge tank) is provided, from which fuel oil is supplied to the engine. At this time, in order to reduce the viscosity for the transfer of the fuel oil in the fuel oil storage tank, it is necessary to increase the temperature.

就具有該種加溫設備的燃料油移送裝置而言,傳統上所熟知的裝置,是不具備第1圖中所示之閥15的裝置,換言之,是具備:燃料油儲藏槽1;和燃料油淨化槽3,該燃料油淨化槽3具備圖面中未顯示的加熱裝置,且該加熱裝置是經由移送管2而與燃料由儲藏槽1連通;和移送泵4,該移送泵4是用來將燃料油儲藏槽1中的燃料油移送至燃料油淨化槽3;和燃料油提供槽5,該燃料油提供槽5連通於燃料油淨化槽3;和吸入管6,該吸入管6是用來使燃料油淨化槽3與燃料油提供槽5的其中任一個、或者雙方連通於燃料油儲藏槽1;及流下泵7,該流下泵7 被設於吸入管6,且可使燃料油淨化槽3與燃料油提供槽5的任何一個、或者雙方中經加熱的燃料油,流下至燃料油儲藏槽1。在第1圖中,8是加熱器,9是溫度感測器,10、11、12、13為閥。In the case of a fuel oil transfer device having such a warming device, a conventionally known device is a device that does not have the valve 15 shown in Fig. 1, in other words, has: a fuel oil storage tank 1; and a fuel The oil purification tank 3 includes a heating device not shown in the drawing, and the heating device communicates with the fuel from the storage tank 1 via the transfer pipe 2; and the transfer pump 4, which is used for the transfer pump 4 To transfer the fuel oil in the fuel oil storage tank 1 to the fuel oil purification tank 3; and the fuel oil supply tank 5, the fuel oil supply tank 5 is connected to the fuel oil purification tank 3; and the suction pipe 6, which is the suction pipe 6 Used to connect any one or both of the fuel oil purification tank 3 and the fuel oil supply tank 5 to the fuel oil storage tank 1; and the downflow pump 7, the downflow pump 7 It is provided in the suction pipe 6, and the fuel oil which is heated by any one of the fuel oil purification tank 3 and the fuel oil supply tank 5, or both, flows down to the fuel oil storage tank 1. In Fig. 1, 8 is a heater, 9 is a temperature sensor, and 10, 11, 12, and 13 are valves.

在不具有上述閥15之第1圖的裝置中,燃料油淨化槽3中的燃料油是由圖面中未顯示的加熱裝置所加熱,接著,被圖面中未顯示的燃料油清淨機所清淨而送入燃料油提供槽5,並從該處分配供給至圖面中未顯示的主機、輔機(auxiliary machine)、鍋爐等。同時,該經加熱之燃料油的一部分,是藉由流下泵7的作動,通過燃料油儲藏槽1中的吸入主管14而流下至燃料油儲藏槽1,進而對該槽1中的燃料油加溫。In the apparatus of Fig. 1 which does not have the valve 15, the fuel oil in the fuel oil purification tank 3 is heated by a heating device not shown in the drawing, and then, the fuel oil cleaner is not shown in the drawing. The fuel oil supply tank 5 is cleaned and supplied to the main unit, an auxiliary machine, a boiler, and the like which are not shown in the drawing. At the same time, a part of the heated fuel oil is discharged to the fuel oil storage tank 1 through the suction main pipe 14 in the fuel oil storage tank 1 by the operation of the down pump 7, and the fuel oil in the tank 1 is further added. temperature.

在不具上述閥15之第1圖的裝置中,當經加熱之燃料油的一部分從燃料油淨化槽3或者燃料油提供槽5回到燃料油儲藏槽1而對該槽1中的燃料油加溫時,該回流量及溫度,必須對應於吸入管6和移送管2的長度、或者海水、或外部空氣的溫度變化而變化。In the apparatus of Fig. 1 which does not have the above-described valve 15, when a part of the heated fuel oil is returned from the fuel oil purification tank 3 or the fuel oil supply tank 5 to the fuel oil storage tank 1, the fuel oil in the tank 1 is added. At the time of warming, the return flow rate and temperature must be changed in accordance with the length of the suction pipe 6 and the transfer pipe 2, or the temperature change of the seawater or the outside air.

換言之,在「回流之被加熱的燃料油」的熱量較適當值更多的場合中,朝海水或外部空氣散熱的熱量變得更多,而在較少的場合中,則變成無法移送所需量的燃料油,因此,必須將回流之被加熱燃料油的量與溫度保持成適當。In other words, in the case where the amount of heat of the "returned heated fuel oil" is more than an appropriate value, the amount of heat radiated toward the seawater or the outside air becomes more, and in a lesser case, it becomes impossible to transfer. The amount of fuel oil, therefore, must be maintained at the amount and temperature of the heated fuel oil that is being recirculated.

但是,在不具上述閥15之第1圖的裝置中,當淨化槽及/或提供槽中之經加熱的燃料油的一部分流下至燃料 油儲藏槽時,將導致燃料油不會回流至燃料油儲藏槽而朝移送管方向逆流。此外,當將來自於燃料油儲藏槽的燃料油送往移送管方向時,導致空氣的汽泡產生。However, in the apparatus of Fig. 1 which does not have the above-described valve 15, a portion of the heated fuel oil in the purification tank and/or the supply tank flows down to the fuel When the oil is stored in the tank, the fuel oil will not flow back to the fuel oil storage tank and will flow backward in the direction of the transfer pipe. Further, when the fuel oil from the fuel oil storage tank is sent to the direction of the transfer pipe, bubble generation of the air is caused.

不僅如此,僅在移送管2具備上述閥15之第1圖的裝置也已被大眾所知悉。(日本特許第3807597號)Moreover, the apparatus of the first figure in which the transfer pipe 2 is provided with the above-described valve 15 has also been known to the public. (Japanese Patent No. 3807597)

該燃料油移送裝置即使在停止中,大部分的場合是入口側(吸入側)的壓力高,而出口側(吐出側)的壓力低。這是起因於燃料油淨化槽(泵的吸入側)較燃料油儲藏槽(泵的吐出側)更高的緣故。因此,即使裝置在停止中,也將因為該壓力,而使油不經意地從淨化槽及/或提供槽自然地流下至儲藏槽。In the fuel oil transfer device, most of the time, the pressure on the inlet side (suction side) is high, and the pressure on the outlet side (discharge side) is low. This is because the fuel oil purification tank (the suction side of the pump) is higher than the fuel oil storage tank (the discharge side of the pump). Therefore, even if the device is stopped, the oil will inadvertently flow down from the septic tank and/or the supply tank to the storage tank due to the pressure.

[專利文獻1]日本特許第3807597號[Patent Document 1] Japanese Patent No. 3807597

有鑑於此,本發明所欲解決的課題在於:提供一種用來防止「燃料油淨化槽及/或燃料油提供槽中經加熱的燃料油」在運轉停止中的自然流下或逆流,而改良存在於前述習知技術之缺點的燃料油移送裝置。In view of the above, an object of the present invention is to provide a method for preventing the natural flow or backflow of "fuel oil in a fuel oil purification tank and/or a fuel oil supply tank" during operation stoppage, and to improve the presence of the present invention. A fuel oil transfer device having the disadvantages of the prior art.

為了解決上述的課題,根據本發明,是具備:「具備吸入主管」的燃料油儲藏槽;和「透過移送管而連通至該儲藏槽」的燃料油淨化槽;和「被設於該移送管,且通過移送管將前述儲藏槽中的燃料油移送至前述淨化槽」的移送泵;和「與前述淨化槽連通」的燃料油提供槽;和「將前述淨化槽及/或前述提供槽,與前述儲藏槽連通」的吸入管;及「被配置於該吸入管,可使前述淨化槽及/或前述提供槽中經加熱的燃料油,流下至前述儲藏槽」的流下泵;且通過吸入主管,使前述經加熱的燃料油流下混合至前述儲藏槽的燃料油,而對前述儲藏槽中的燃料油加熱的燃料油移送裝置,其特徵為:在較前述移送管的移送泵更下游側設置「保持著彈簧」的閥,且更進一步在較吸入管的流下泵更下游側設置「保持著彈簧」的閥,前述彈簧可設定成任意的壓力,保持著該彈簧的閥,是藉由彈簧的按壓力而使閥按壓部抵接於閥座,而防止經加熱的燃料油朝移送管的逆流,且更進一步地防止朝吸入管的流下,藉此,前述淨化槽及/或提供槽中經加熱的燃料油不會逆流至移送管,且前述淨化槽及/或提供槽中經加熱的燃料油不會流下至吸入管,而在防止自然流下的狀態下移送至前述儲藏槽。In order to solve the above problems, according to the present invention, there is provided a fuel oil storage tank having a "suction main pipe" and a fuel oil purifying tank that communicates with the transfer tank through the transfer pipe; and "provided in the transfer pipe And a transfer pump that transfers the fuel oil in the storage tank to the purification tank by a transfer pipe; a fuel oil supply tank that communicates with the purification tank; and "the purification tank and/or the supply tank, a suction pipe that communicates with the storage tank; and a "downflow pump that is disposed in the suction pipe to allow the heated fuel oil in the purification tank and/or the supply tank to flow down to the storage tank"; a fuel oil transfer device that heats the fuel oil of the storage tank by mixing the heated fuel oil to the fuel tank in the storage tank, and is characterized in that it is downstream of the transfer pump of the transfer pipe A valve that holds the "spring" is provided, and a valve that "holds the spring" is further disposed on the downstream side of the downflow pump of the suction pipe, and the spring can be set to an arbitrary pressure to maintain The valve of the spring abuts the valve pressing portion against the valve seat by the pressing force of the spring, thereby preventing the reverse flow of the heated fuel oil toward the transfer pipe, and further preventing the flow toward the suction pipe, thereby The heated fuel tank in the septic tank and/or the supply tank does not flow back to the transfer pipe, and the heated fuel oil in the septic tank and/or the supply tank does not flow down to the suction pipe, but prevents the natural flow. Move down to the aforementioned storage tank.

上述的本發明,由於在較移送管的移送泵更下游側設置「保持著彈簧」的閥,且更進一步在較吸入管的流下泵更下游側設置「保持著彈簧」的閥,因此可防止經加熱的燃料油朝移送管的逆流,並可防止朝吸入管的流下,藉此,淨化槽及/或提供槽中經加熱的燃料油不會朝移送管逆流,且不會朝吸入管流下,而防止自然流下。According to the above aspect of the invention, the valve holding the "spring" is provided on the downstream side of the transfer pump of the transfer pipe, and the valve holding the "spring" is further provided on the downstream side of the down pump of the suction pipe. The heated fuel oil flows countercurrently to the transfer pipe and prevents flow down the suction pipe, whereby the heated fuel oil in the purge tank and/or the supply tank does not flow back toward the transfer pipe and does not flow down the suction pipe And prevent natural flow.

在第1圖中,本發明的燃料油移送裝置具備:「具備吸入主管14」的燃料油儲藏槽1;和「透過移送管2而連通於該儲藏槽1」的燃料油淨化槽3;和「被設於移送管2,且通過該移送管2而將儲藏槽1中的燃料油移送至淨化槽3」的移送泵4;和「與淨化槽3連通」的燃料油提供槽5;和「使淨化槽3及/或提供槽5,與儲藏槽1連通」的吸入管6;及「被配置於該吸入管6,可使淨化槽3及/或提供槽5中經加熱的燃料油流下至儲藏槽1」的流下泵7;且使經加熱燃料油通過吸入主管14而流下混合至儲藏槽1的燃料油,進而對儲藏槽1中的燃料油加熱。第1圖中,8是加熱器,9是溫度感測器,10、11、12、13為閥。In the first embodiment, the fuel oil transfer device of the present invention includes: a fuel oil storage tank 1 including a suction main pipe 14; and a fuel oil purification tank 3 that communicates with the storage tank 1 through the transfer pipe 2; a transfer pump 4 that is disposed in the transfer pipe 2 and that transfers the fuel oil in the storage tank 1 to the purification tank 3 through the transfer pipe 2, and a fuel oil supply tank 5 that communicates with the purification tank 3; a suction pipe 6 that "connects the purification tank 3 and/or the supply tank 5 to the storage tank 1"; and "disposed on the suction pipe 6, the purified fuel tank 3 and/or the heated fuel oil in the tank 5 can be provided. The downflow pump 7 that has flowed down to the storage tank 1"; and the fuel oil that has been heated and mixed into the storage tank 1 through the suction main pipe 14 is heated, and the fuel oil in the storage tank 1 is further heated. In Fig. 1, 8 is a heater, 9 is a temperature sensor, and 10, 11, 12, and 13 are valves.

接著,在上述的本發明裝置中,改良的要點在於:在較移送管2的移送泵4更下游側設置「保持著彈簧16」的閥15,且更進一步在較吸入管6的流下泵7更下游側設置「保持著彈簧16」的閥15,藉此,達成以下的特徵:淨化槽3及/或提供槽5中經加熱的燃料油不會朝移送管2的方向逆流,不僅如此,前述淨化槽3及/或提供槽5中經加熱的燃料油不會流下至吸入管6,既可防止自然流下,又能流下至前述儲藏槽1。Next, in the above-described apparatus of the present invention, the point of improvement is that the valve 15 holding the spring 16 is provided on the downstream side of the transfer pump 4 of the transfer pipe 2, and the pump 7 is further disposed below the suction pipe 6. Further, a valve 15 that holds the spring 16 is provided on the downstream side, whereby the following feature is obtained: the heated fuel oil in the purification tank 3 and/or the supply tank 5 does not flow backward in the direction of the transfer pipe 2, and the like, The heated fuel oil in the purification tank 3 and/or the supply tank 5 does not flow down to the suction pipe 6, and can be prevented from flowing down to the storage tank 1 while naturally flowing down.

第2圖是顯示閥15之關閉狀態的剖面圖,第3圖是開啟狀態的剖面圖,運轉停止中,是如第2圖所示,將手柄18旋緊,而使閥按壓部21抵接於閥座22。在該狀態下,來自於入口19的燃料油不會朝出口20行進(流動)。2 is a cross-sectional view showing a closed state of the valve 15, and FIG. 3 is a cross-sectional view showing an open state. When the operation is stopped, as shown in FIG. 2, the handle 18 is tightened, and the valve pressing portion 21 is abutted. At the valve seat 22. In this state, the fuel oil from the inlet 19 does not travel (flow) toward the outlet 20.

運轉中,通常如第3圖所示,是將手柄18開啟(鬆開),而形成閥棒23上升至上方的狀態。在該狀態下,通常也是藉由彈簧16的按壓力而透過墊片17將閥按壓部21按壓於閥座22。因此閥按壓部21是抵接於閥座22,來自於入口19的燃料油則被閥按壓部21所阻止而無法通往出口20。因此,可防止「經加熱的燃料油朝移送管2的方向逆流」,且可防止「經加熱的燃料油朝吸入管6的方向自然流下」。同時,也導致「從燃料油儲藏槽1經由吸入主管14所產生的汽泡」破滅而消失。In operation, as shown in Fig. 3, the handle 18 is normally opened (released) to form a state in which the valve rod 23 is raised upward. In this state, the valve pressing portion 21 is normally pressed against the valve seat 22 through the spacer 17 by the pressing force of the spring 16. Therefore, the valve pressing portion 21 abuts against the valve seat 22, and the fuel oil from the inlet 19 is blocked by the valve pressing portion 21 and cannot be guided to the outlet 20. Therefore, it is possible to prevent the "heated fuel oil from flowing back in the direction of the transfer pipe 2" and prevent the "heated fuel oil from flowing down naturally in the direction of the suction pipe 6". At the same time, the "bubble generated from the fuel oil storage tank 1 through the suction main pipe 14" is broken and disappears.

彈簧16可設定為任意的壓力,譬如:約0.098MPa‧1.0Kgf/cm2 (全開時)。藉此,來自於燃料油儲藏槽1之經加熱的燃料油,則從入口19將閥按壓部21推起而流向出口20方向。此時,因空氣所產生的汽泡也將由於壓力而消失。The spring 16 can be set to any pressure, such as: about 0.098 MPa ‧ 1.0 Kgf / cm 2 (when fully open). Thereby, the heated fuel oil from the fuel oil storage tank 1 pushes up the valve pressing portion 21 from the inlet 19 and flows in the direction of the outlet 20. At this time, the bubble generated by the air will also disappear due to the pressure.

[產業上的利用性][industrial use]

本發明的燃料油移送裝置,由於在較移送管2的移送泵4、及較吸入管6的流下泵7更下游側,分別設置「保持著彈簧16」的閥15,因此淨化槽3及/或提供槽5中經加熱的燃料油不會朝移送管2逆流,且不會朝吸入管6自然流下,而流下至前述儲藏槽,而且移送管2中的汽泡也將自動地破滅消失,產業上的可利用性極高。In the fuel oil transfer device of the present invention, the valve 15 that holds the spring 16 is provided on the downstream side of the transfer pump 4 of the transfer pipe 2 and the lower flow pump 7 of the suction pipe 6, so that the purification tank 3 and/or Or the heated fuel oil provided in the tank 5 does not flow back toward the transfer pipe 2, and does not naturally flow down the suction pipe 6, but flows down to the aforementioned storage tank, and the bubble in the transfer pipe 2 will also automatically collapse and disappear. Industrial availability is extremely high.

1...燃料油儲藏槽1. . . Fuel oil storage tank

2...移送管2. . . Transfer tube

3...燃料油淨化槽3. . . Fuel oil purification tank

4...移送泵4. . . Transfer pump

5...燃料油提供槽5. . . Fuel oil supply slot

6...吸入管6. . . Suction pipe

7...流下(falling)泵7. . . Falling pump

14...吸入主管14. . . Inhalation supervisor

15...閥15. . . valve

16...彈簧16. . . spring

17...墊片17. . . Gasket

18...手柄18. . . handle

19...入口19. . . Entrance

20...出口20. . . Export

21...閥按壓部twenty one. . . Valve pressing part

22...閥座twenty two. . . Seat

23...閥棒twenty three. . . Valve rod

第1圖:為本發明燃料油移送裝置的流程圖。Fig. 1 is a flow chart showing the fuel oil transfer device of the present invention.

第2圖:是本發明燃料油移送裝置所使用的閥的一個具體例,為關閉狀態的剖面圖。Fig. 2 is a cross-sectional view showing a specific example of a valve used in the fuel oil transfer device of the present invention.

第3圖:是本發明燃料油移送裝置所使用的閥的一個具體例,為開啟狀態的剖面圖。Fig. 3 is a cross-sectional view showing a specific example of a valve used in the fuel oil transfer device of the present invention.

1...燃料油儲藏槽1. . . Fuel oil storage tank

2...移送管2. . . Transfer tube

3...燃料油淨化槽3. . . Fuel oil purification tank

4...移送泵4. . . Transfer pump

5...燃料油提供槽5. . . Fuel oil supply slot

6...吸入管6. . . Suction pipe

7...流下泵7. . . Downflow pump

8...加熱器8. . . Heater

9...溫度感測器9. . . Temperature sensor

10...閥10. . . valve

11...閥11. . . valve

12...閥12. . . valve

13...閥13. . . valve

14...吸入主管14. . . Inhalation supervisor

15...閥15. . . valve

16...彈簧16. . . spring

Claims (1)

一種燃料油移送裝置,是具備:燃料油儲藏槽,該燃料油儲藏槽具備吸入主管;和燃料油淨化槽,該燃料油淨化槽是透過移送管而連通於該儲藏槽;和移送泵,該移送泵被設於該移送管,且通過移送管將前述儲藏槽中的燃料油移送至前述淨化槽;和燃料油提供槽,該燃料油提供槽與前述淨化槽連通;和吸入管,該吸入管是用來將前述淨化槽及/或前述提供槽、與前述儲藏槽予以連通;和流下泵,該流下泵被配置於該吸入管,可使前述淨化槽及/或提供槽中經加熱的燃料油流下至前述儲藏槽;使前述經加熱的燃料油通過吸入主管而流下混合至前述儲藏槽的燃料油,並對前述儲藏槽中的燃料油加熱的燃料油移送裝置,其特徵為:在較前述移送管的移送泵更下游側設置保持著彈簧的閥的燃料油移送裝置中,更進一步在較吸入管的流下泵更下游側設置保持著彈簧的閥,前述彈簧可設定成任意的壓力,保持著該彈簧的閥,是藉由彈簧的按壓力使閥按壓部抵接於閥座,而防止經加熱的燃料油朝移送管的逆流,並防止朝吸入管的流下,藉此,前述淨化槽及/或提供槽中經加熱的燃料油不會朝移送管逆流,且前述淨化槽及/或 提供槽中經加熱的燃料油不會朝吸入管流下,可在防止自然流下的狀態下移送至前述儲藏槽。A fuel oil transfer device includes: a fuel oil storage tank including a suction main pipe; and a fuel oil purification tank that communicates with the storage tank through a transfer pipe; and a transfer pump a transfer pump is disposed in the transfer pipe, and the fuel oil in the storage tank is transferred to the purification tank through a transfer pipe; and a fuel oil supply groove, the fuel oil supply groove is in communication with the purification tank; and a suction pipe, the suction a tube for communicating the aforementioned septic tank and/or the aforementioned supply tank with the storage tank; and a downflow pump disposed in the suction pipe to heat the septic tank and/or the supply tank The fuel oil flows down to the storage tank; a fuel oil transfer device that heats the fuel oil through the suction main pipe and flows to the storage tank, and heats the fuel oil in the storage tank, is characterized in that The fuel oil transfer device of the valve holding the spring is disposed on the downstream side of the transfer pump of the transfer pipe, and is further disposed on the downstream side of the downflow pump of the suction pipe. In the spring valve, the spring can be set to an arbitrary pressure, and the valve holding the spring is such that the valve pressing portion abuts against the valve seat by the pressing force of the spring, thereby preventing the reverse flow of the heated fuel oil toward the transfer pipe. And preventing the flow to the suction pipe, whereby the heated fuel oil in the purification tank and/or the supply tank does not flow back toward the transfer pipe, and the foregoing purification tank and/or The heated fuel oil in the tank is not allowed to flow down the suction pipe, and can be transferred to the storage tank while preventing natural flow.
TW099135434A 2010-07-08 2010-10-18 Fuel oil transfer device TWI495611B (en)

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JP2012017123A (en) 2012-01-26
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JP5530276B2 (en) 2014-06-25
HK1163774A1 (en) 2012-09-14

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