CN105298950A - Fuel oil supply device with double pressurization oil tanks - Google Patents
Fuel oil supply device with double pressurization oil tanks Download PDFInfo
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- CN105298950A CN105298950A CN201510772630.5A CN201510772630A CN105298950A CN 105298950 A CN105298950 A CN 105298950A CN 201510772630 A CN201510772630 A CN 201510772630A CN 105298950 A CN105298950 A CN 105298950A
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Abstract
The embodiment of the invention provides a fuel oil supply device with double pressurization oil tanks. The fuel oil supply device mainly comprises the first oil tank and the second oil tank, wherein the first oil tank is connected with a first one-way valve; the second oil tank is connected with a second one-way valve; the first one-way valve and the second one-way valve are arranged in parallel and are both connected with an oil supply pipeline; a shut-off valve is arranged at the outlet of the oil supply pipeline; when oil is supplied through the oil supply pipeline, the first one-way valve is opened, the first oil tank supplies oil to the oil supply pipeline, and the second one-way valve is closed; or, the second one-way valve is opened, the second oil tank supplies oil to the oil supply pipeline, and the first one-way valve is closed. The fuel oil supply device has the advantages of saving energy, being safe, stable in pressure and low in cost and the like. Compressed air is adopted as power, pressure of oil is controlled by air pressure, the system is not provided with an overflow valve, no excess energy is lost, and therefore the energy saving performance exceeds 50% compared with a traditional mode.
Description
Technical field
The present invention relates to fuel feed technical field, particularly relate to a kind of fuel oil supplying device with two pressurized fuel tank.
Background technique
Fuel oil has inflammable, volatile characteristic, carry out testing to lower-grade fuel and need very high requirement of explosion proof, the conventional test device of low pressure and mass flow fuel valve, heat exchanger adopts the oil fuel booster pump of one or several large discharge as power source, adopts overflow manner regulating system pressure.Testing apparatus needs to adopt the larger anti-explosion motor of power, and when testing under comparatively low discharge or zero delivery, energy consumption is large, and pressure surge is large.Whole Equipment investment is high, and security risk is large.
Traditional pump station motor operates always, and by overflow pressure regulating valve, unnecessary fluid gets back to fuel tank by relief valve, and fluid heating value is large, especially when testing required flow and being less, causes a large amount of energy dissipations.
Along with the development of national economy, technological innovation, reduction energy consumption are the Main way of technological innovation.Therefore, developing a kind of high efficiency fuel oil supplying device is a problem demanding prompt solution.
Summary of the invention
The embodiment provides a kind of fuel oil supplying device with two pressurized fuel tank, to provide a kind of high efficiency fuel oil supplying device.
To achieve these goals, this invention takes following technological scheme.
A kind of fuel oil supplying device with two pressurized fuel tank, comprise: the first fuel tank, the second fuel tank, described first fuel tank connects the first one-way valve, described second fuel tank connects the second one-way valve, described first one-way valve and the second one-way valve are arranged in parallel, and be all connected with oil supply pipeline, shut-off valve is set in the outlet port of described oil supply pipeline;
By described oil supply pipeline fuel feeding time, described first one-way valve open, described first fuel tank to described oil supply pipeline fuel feeding, described second closed check valve; Or, described second one-way valve open, described second fuel tank to described oil supply pipeline fuel feeding, described first closed check valve.
Further, arrange the first air operated reversing valve at the top of described first fuel tank, arrange the second air operated reversing valve at the top of described second fuel tank, described first air operated reversing valve, described second air operated reversing valve are arranged in parallel, and are all connected with steam line;
When described first fuel tank is to described oil supply pipeline fuel feeding, described first air operated reversing valve is to described first fuel tank transport gas, and when described first fuel tank receives outside input crude oil, described first air operated reversing valve is from described first fuel tank extracting gases;
When described second fuel tank is to described oil supply pipeline fuel feeding, described second air operated reversing valve is to described second fuel tank transport gas, and when described second fuel tank receives outside input crude oil, described second air operated reversing valve is from described second fuel tank extracting gases.
Further, described first fuel tank, described second fuel tank all with three air operated reversing valve are connected, described 3rd air operated reversing valve is connected with oil returning tube, described 3rd air operated reversing valve connects described first fuel tank or described second fuel tank, the crude oil in described oil returning tube is transferred to described first fuel tank of connection or described second fuel tank.
Further, described oil supply pipeline is connected with barometric tank, and described air pressure jar setting is at described first one-way valve, between described second one-way valve and described shut-off valve.
Further, described oil supply pipeline is connected with the 3rd pressure gauge, and described 3rd pressure gauge is arranged on described first one-way valve, between described second one-way valve and described shut-off valve.
Further, described steam line sets gradually gas access, ball valve, the first pressure gauge and the 4th air operated reversing valve, described 4th air operated reversing valve is connected with described first air operated reversing valve, the second air operated reversing valve respectively.
Further, the first pressure gauge on described steam line and between the 4th air operated reversing valve, also air filter is set.
Further, diaphragm type pressure-reducing valve and the second pressure gauge is set gradually between described 4th air operated reversing valve and described first air operated reversing valve, the second air operated reversing valve, described second pressure gauge is connected with described first fuel tank, the second fuel tank respectively, monitors the air pressure in described first fuel tank, the second fuel tank.
Further, one-way valve, shut-off valve and oil filter is set gradually described in described oil returning tube between the 3rd air operated reversing valve and oil return inlet opening.
The technological scheme provided as can be seen from the embodiment of the invention described above, the fuel oil supplying device with two pressurized fuel tank of the embodiment of the present invention, by arranging two pressurized fuel tank, pressurized air changement and oil return changement, has energy-conservation, safety, pressure stability and low cost and other advantages.By adopting pressurized air as power, the pressure of fluid controls by air pressure, and system does not exist relief valve, does not have unnecessary energy loss, so compare traditional approach energy-efficient performance more than 50%.
The aspect that the present invention adds and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural drawing of a kind of fuel oil supplying device with two pressurized fuel tank that Fig. 1 provides for the embodiment of the present invention one, in figure, gas access 1, ball valve 2, first pressure gauge 3, air filter 4, 4th air operated reversing valve 5, diaphragm type pressure-reducing valve 6, second pressure gauge 7, first air operated reversing valve 8, second air operated reversing valve 9, liquid-level switch 10, liquid-level switch 11, first one-way valve 12, first one-way valve 13, barometric tank 14, 3rd pressure gauge 15, shut-off valve 16, 3rd air operated reversing valve 17, one-way valve 18, shut-off valve 19, oil filter 20, oil transportation mouth 21, oil return inlet opening 22, first fuel tank 23, second fuel tank 24.
Embodiment
Be described below in detail embodiments of the present invention, the example of described mode of execution is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the mode of execution be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in specification of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or couple.Wording "and/or" used herein comprises one or more arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
Embodiments provide a kind of fuel oil supplying device with two pressurized fuel tank of low pressure and mass flow lower-grade fuel, this device adopts the pressurized fuel tank that two volumes are equal, pressurized air is utilized to carry out supercharging as supply reservoir to one of them fuel tank, another one fuel tank carries out bleeding as oil return fuel tank, after supply reservoir liquid level is lower than setting value, exchanged the function of two fuel tanks by selector valve, achieve the requirement of continuous print high flow rate oil supply.
The structural representation of a kind of fuel oil supplying device with two pressurized fuel tank that the embodiment of the present invention provides as shown in Figure 1, comprise: the first fuel tank 23, second fuel tank 24, described first fuel tank 23 connects the first one-way valve 12, described second fuel tank 24 connects the first one-way valve 13, described first one-way valve 12 and the first one-way valve 13 are arranged in parallel, and be all connected with oil supply pipeline, arrange shut-off valve 16 in the outlet port of described oil supply pipeline, oil supply pipeline externally exports crude oil by oil transportation mouth 21.
In order to simplified design, improve system reliability, oil feed line does not adopt selector valve, but adopts the simpler implementation of one-way valve, and the outlet of each pressurized fuel tank is provided with the outside one-way valve in a direction.Above-mentioned first one-way valve 12, first one-way valve 13 only has and can reserve as fuel oil during fuel feeding, closes as during oil return, and the method structure is simple, and reliability is high.
Liquid-level switch 10 is set in the first fuel tank 23, liquid-level switch 11 is set in the second fuel tank 24.The liquid level detected in the first fuel tank 23 when liquid-level switch 10 exceed setting for oil liquid level, then the first fuel tank 23 is by oil supply pipeline fuel feeding, and the first one-way valve 12 is opened, and the first one-way valve 13 is closed; Or, the liquid level detected in the first fuel tank 24 when liquid-level switch 11 exceed setting for oil liquid level, then the first one-way valve 13 is opened, and described second fuel tank 24 is by oil supply pipeline fuel feeding, and described first one-way valve 12 is closed.
In order to make up the pressure surge caused in commutation process, oil feed line is provided with the barometric tank of proper volume, the size of flow and the length of turn around time are depended in the selection of barometric tank volume, to meet in principle in the turn around time and can supply required flow continuously, be the bigger the better under the prerequisite meeting installing space and cost in practical application.Reversing mechanism forms primarily of two-part, is pressurized air commutation and oil return commutation respectively.Pressurized air commutation realizes by installing threeway air operated reversing valve at the top of each fuel tank, two selector valves are in the state of an air feed, a pressure release all the time, and the response of state gathers by programmable logic controller (PLC) the liquid level sensor signal installed in pressurized fuel tank and controls.Oil return selector valve is the Pneumatic three-way ball valve of a L-type, realizes the switching of two pressurized fuel tank fuel feeding and oil return function with the action simultaneously of pressurized air selector valve.
Arrange the first air operated reversing valve 8 at the top of the first fuel tank 23, arrange the second air operated reversing valve 9 at the top of described second fuel tank 24, described first air operated reversing valve 8, described second air operated reversing valve 9 are arranged in parallel, and are all connected with steam line.
When the first fuel tank 23 is to described oil supply pipeline fuel feeding, described first air operated reversing valve 8 is to described first fuel tank 23 transport gas, and when described first fuel tank 23 receives outside input crude oil, described first air operated reversing valve 8 is from described first fuel tank extracting gases.
When the second fuel tank 24 is to oil supply pipeline fuel feeding, the second air operated reversing valve 9 is to described second fuel tank 24 transport gas, and when described second fuel tank 24 receives outside input crude oil, the second air operated reversing valve 24 is from the second fuel tank 9 extracting gases.
First fuel tank 23, second fuel tank 24 all with three air operated reversing valve 17 is connected, described 3rd air operated reversing valve 17 is connected with oil returning tube, the first fuel tank 23 or the second fuel tank 24 connected by 3rd air operated reversing valve 17, the crude oil in described oil returning tube is transferred to the first fuel tank 23 or the second fuel tank 24 of connection.
Oil supply pipeline is also connected with barometric tank 14, the 3rd pressure gauge 15, and barometric tank 14, the 3rd pressure gauge 15 are arranged between the first one-way valve 12, first one-way valve 13 and described shut-off valve 16.The effect of barometric tank 14 is the stable system pressure when system commutates, and provides fluid continuously.
Steam line sets gradually gas access 1, ball valve 2, first pressure gauge 3, air filter 4 and the 4th air operated reversing valve 5, described 4th air operated reversing valve 5 is connected with described first air operated reversing valve 8, second air operated reversing valve 9 respectively.
Diaphragm type pressure-reducing valve 6 and the second pressure gauge 7 is set gradually between the 4th air operated reversing valve 5 and the first air operated reversing valve 8, second air operated reversing valve 9, described second pressure gauge 7 is connected with described first fuel tank 23, second fuel tank 24 respectively, monitors the air pressure in described first fuel tank 23, second fuel tank 24.
One-way valve 18, shut-off valve 19 and oil filter 20 is set gradually between 3rd air operated reversing valve 17 and oil return inlet opening 22 in described oil returning tube.
The number of volume read-out also determines the length of system response time, and fluid is more, and the time commutating to pressure stability is shorter, and system cloud gray model is more efficient, and air consumption is fewer, and corresponding energy consumption is lower.
The working procedure of the fuel oil supplying device with two pressurized fuel tank shown in above-mentioned Fig. 1 comprises:
Pneumatic part working principle: pressurized air enters from gas access 1, open ball valve 2, supply gas pressure is presented on the first pressure gauge 3, filter through filter 4,4th air operated reversing valve 5 controls to provide clean air to down-stream system, can to drain when quitting work the air of system residual, diaphragm type pressure-reducing valve 6 is controlled by external pressure, be used for regulating the pressure to fuel tank air feed, the air pressure of fuel tank is shown by the second pressure gauge 7, and air operated reversing valve 8 and 9 controls to corresponding fuel tank air feed or exhaust.
Hydraulic part working principle: as shown in Figure 1, fuel tank B is in pressurized state, fluid reserves from the second one-way valve 13 and enters oil feed line, first one-way valve 12 stops fluid to enter fuel tank A, the effect of barometric tank 14 is the stable system pressure when system commutates, there is provided fluid continuously, the 3rd pressure gauge 15 shows charge oil pressure, shut-off valve 16 open after by hydraulic fluid port 21 to downstream fuel feeding.The fluid that down-stream system returns enters pumping plant return line from oil return inlet opening 22,3rd air operated reversing valve 17 controls oil return and enters the fuel tank being in oil return state, shown position oil return fluid enters fuel tank A, the effect of oil filter 20 filters out the impurity brought in downstream, shut-off valve 19 thoroughly cuts off fluid with when quitting work with pumping plant or overhaul, and one-way valve 18 prevents fuel tank liquid level higher than fluid backflow during working page.
After liquid-level switch 11 detects that fuel tank B liquid level is low, send signal to pumping station controlling system, system switches selector valve 8,9 and 17 simultaneously, realizes the switching of pressurized fuel tank and oil return fuel tank function.
The fuel oil supplying device with two pressurized fuel tank of the embodiment of the present invention has been applied in the fuel oil integrated test system of certain aviation accessory MRO enterprise, as a part for its pumping plant, achieve the test request to low pressure and mass flow annex, the low pressure oil supply partial design pressure of this system is 100psig, and flow is 100m3/h.This low-pressure oil supply system can also provide for high-pressure plunger pump intake the fuel oil requiring pressure, eliminates the oil feed pump of plunger pump prime, farthest reduces the integrated cost of system.
Add gas tank in induction part in this system, the supply air line of general factory building is distant from source of the gas, and when system air demand increases suddenly, pipeline causes throttling, can build-up of pressure fluctuation large, so the gas tank adding a 1m3 is as buffering.
This system adopts pneumatic ball valve (band position switch), inflator three-way valve, various pneumatic valve, diaphragm-type pressure regulating valve, pneumatic proportional pressure-reducing valve, liquid level sensor, pressure transducer, achieves the intelligent control of pumping plant, can run under full-automatic state, figure below is control system picture.
In sum, the fuel oil supplying device with two pressurized fuel tank of the embodiment of the present invention, by arranging two pressurized fuel tank, pressurized air changement and oil return changement, has following beneficial effect:
First is energy-conservation before this.And the design adopts pressurized air as power, the pressure of fluid controls by air pressure, and system does not exist relief valve, does not have unnecessary energy loss, so compare traditional approach energy-efficient performance more than 50%.
Second is safety.Traditional approach adopts the electric elements such as anti-explosion motor and relevant control contactor thereof in a large number, electric control cubicle will do special technological processing for explosion protection feature, and volume is large, power consumption large, very easily produces spark in control procedure, the explosion precaution adopted is once occur losing efficacy, and the risk brought is very large.And in the design, there is not the strong consumers such as motor, only have some auxiliary light current devices such as sensor, position switch, what various selector valve adopted is air operated reversing valve, a small amount of signaling line is only had to be connected between pumping plant with control cabinet, control cabinet can be placed in the room of isolation, and these designs reduce danger to the full extent.
3rd is pressure stability.Traditional pumping plant is due to the restriction of oil hydraulic pump principle, and system always exists the hydraulic pulsation phenomenon that oil hydraulic pump brings, and the pressure stability needed during low pressure and mass flow test is higher, and traditional approach needs to take a large amount of voltage stabilizing measures can eliminate this pulsation.And the Stress control pneumatically of the design, by precise pressure-reducing valve adjustable pressure, simultaneously due to the damping capaicty of air, there is fluctuation in system pressure hardly.
4th is that cost is low.The design decreases the high price parts such as oil hydraulic pump, anti-explosion motor, electronic proportional pressure control valve relative to traditional pump station, due to the energy-saving effect that the design is good, greatly reduces the heating value of system, so eliminate expensive cooling system.The design's cost is low, and to be also embodied in his operating cost at least lower by 50% than traditional approach.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (9)
1. the fuel oil supplying device with two pressurized fuel tank, it is characterized in that, comprise: the first fuel tank, the second fuel tank, described first fuel tank connects the first one-way valve, described second fuel tank connects the second one-way valve, described first one-way valve and the second one-way valve are arranged in parallel, and are all connected with oil supply pipeline, arrange shut-off valve in the outlet port of described oil supply pipeline;
By described oil supply pipeline fuel feeding time, described first one-way valve open, described first fuel tank to described oil supply pipeline fuel feeding, described second closed check valve; Or, described second one-way valve open, described second fuel tank to described oil supply pipeline fuel feeding, described first closed check valve.
2. the fuel oil supplying device with two pressurized fuel tank according to claim 1, it is characterized in that, at the top of described first fuel tank, the first air operated reversing valve is set, at the top of described second fuel tank, the second air operated reversing valve is set, described first air operated reversing valve, described second air operated reversing valve are arranged in parallel, and are all connected with steam line;
When described first fuel tank is to described oil supply pipeline fuel feeding, described first air operated reversing valve is to described first fuel tank transport gas, and when described first fuel tank receives outside input crude oil, described first air operated reversing valve is from described first fuel tank extracting gases;
When described second fuel tank is to described oil supply pipeline fuel feeding, described second air operated reversing valve is to described second fuel tank transport gas, and when described second fuel tank receives outside input crude oil, described second air operated reversing valve is from described second fuel tank extracting gases.
3. the fuel oil supplying device with two pressurized fuel tank according to claim 1, it is characterized in that, described first fuel tank, described second fuel tank all with three air operated reversing valve are connected, described 3rd air operated reversing valve is connected with oil returning tube, described 3rd air operated reversing valve connects described first fuel tank or described second fuel tank, the crude oil in described oil returning tube is transferred to described first fuel tank of connection or described second fuel tank.
4. the fuel oil supplying device with two pressurized fuel tank according to claim 1, is characterized in that, described oil supply pipeline is connected with barometric tank, and described air pressure jar setting is at described first one-way valve, between described second one-way valve and described shut-off valve.
5. the fuel oil supplying device with two pressurized fuel tank according to claim 1, is characterized in that, described oil supply pipeline is connected with the 3rd pressure gauge, and described 3rd pressure gauge is arranged on described first one-way valve, between described second one-way valve and described shut-off valve.
6. the fuel oil supplying device with two pressurized fuel tank according to claim 2, it is characterized in that, described steam line sets gradually gas access, ball valve, the first pressure gauge and the 4th air operated reversing valve, described 4th air operated reversing valve is connected with described first air operated reversing valve, the second air operated reversing valve respectively.
7. the fuel oil supplying device with two pressurized fuel tank according to claim 6, is characterized in that, the first pressure gauge on described steam line and also arrange air filter between the 4th air operated reversing valve.
8. the fuel oil supplying device with two pressurized fuel tank according to claim 7, it is characterized in that, diaphragm type pressure-reducing valve and the second pressure gauge is set gradually between described 4th air operated reversing valve and described first air operated reversing valve, the second air operated reversing valve, described second pressure gauge is connected with described first fuel tank, the second fuel tank respectively, monitors the air pressure in described first fuel tank, the second fuel tank.
9. the fuel oil supplying device with two pressurized fuel tank according to claim 7, is characterized in that, sets gradually one-way valve, shut-off valve and oil filter described in described oil returning tube between the 3rd air operated reversing valve and oil return inlet opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772630.5A CN105298950A (en) | 2015-11-12 | 2015-11-12 | Fuel oil supply device with double pressurization oil tanks |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510772630.5A CN105298950A (en) | 2015-11-12 | 2015-11-12 | Fuel oil supply device with double pressurization oil tanks |
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| CN105298950A true CN105298950A (en) | 2016-02-03 |
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| CN201510772630.5A Pending CN105298950A (en) | 2015-11-12 | 2015-11-12 | Fuel oil supply device with double pressurization oil tanks |
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| CN109854571A (en) * | 2019-04-10 | 2019-06-07 | 贵州电网有限责任公司 | A kind of parallel-connection type hydraulic press mechanism oil supply system and method |
| CN110332304A (en) * | 2019-07-31 | 2019-10-15 | 中国航发沈阳发动机研究所 | A kind of intelligence lubricating oil emergency system and control method |
| CN114962365A (en) * | 2022-05-25 | 2022-08-30 | 西北电子装备技术研究所(中国电子科技集团公司第二研究所) | Working method of gas-liquid pressurization system for wafer bonding |
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