CN105416893B - A kind of hydrocone type oil tank automatic dehydration oil return system and oil return method - Google Patents
A kind of hydrocone type oil tank automatic dehydration oil return system and oil return method Download PDFInfo
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- CN105416893B CN105416893B CN201510932283.8A CN201510932283A CN105416893B CN 105416893 B CN105416893 B CN 105416893B CN 201510932283 A CN201510932283 A CN 201510932283A CN 105416893 B CN105416893 B CN 105416893B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of hydrocone type oil tank automatic dehydration oil return system and oil return method, oil return system includes the dehydrated tube of oil tank, dehydrator, connection oil tank and dehydrator, also include oil return system, the oil return system is connected with the dehydrated tube by connecting pipe；The connecting pipe and the connector of dehydrated tube are arranged on the roof of dehydrated tube；The oil return system includes surge tank, soft capsule, control device, the soft capsule is provided with inflatable chamber, the soft capsule is provided with inflation inlet, the soft capsule is sealingly disposed in tank body by the surge tank, gas outlet is provided with the surge tank, the inflatable chamber of the control device and soft capsule is connected or is connected with the gas outlet of the surge tank.The present invention by oily and air insulated, using the deformation characteristic of soft capsule, is controlled oil return system oil suction or oil extraction by changing the pressure in soft capsule, not limited by speed, improve the efficiency of oil return, safety and environmental protection by soft capsule and the surge tank of sealing.
Description
Technical field
The invention belongs to oil tank oil return system technical field, and in particular to a kind of hydrocone type oil tank automatic dehydration oil return system
And oil return method.
Background technology
In order to meet safe and environment-friendly requirement, oilcan dehydration must all install automatic dewatering device, in order to ensure the company of dehydration
Continuous property, during dehydration, oil tank must be automatically returned to by entering the oil in dehydrator, could continue to be dehydrated.When taking off for storage tank
When the mouth of a river is siphon port, the oil in dehydrator can not be floated automatically by density contrast returns to oil tank, it is necessary to by external force, will be dehydrated
Oil at the top of device draws back oil tank.
The patent of Patent No. 201420553227.4, disclose a kind of type of respiration automatic dehydration for hydrocone type oil tank
Oil return system, it is to be separated air and oil using water, prevents oil and air from directly contacting, and avoids causing dangerous and environment dirty
Dye.It the oil return system that this method is made, once flow velocity is too fast, can cause that oil-water interfaces are unstable, and You Heshui mixes, lose
The effect of water seal is gone, therefore is suitable only for the slow occasion of flow velocity, it is impossible to adapts to the efficient pursuit of modern production firm.
The content of the invention
The present invention is in order to solve the technical problem that oil-water interfaces are unstable, and You Heshui mixes, there is provided it is a kind of by oil with
Air is completely isolated, the hydrocone type oil tank automatic dehydration oil return system and oil return method of good airproof performance.
In order to solve the above problems, what the present invention was achieved by following technical scheme：
Hydrocone type oil tank automatic dehydration oil return system of the present invention, including oil tank, dehydrator, connection oil tank and dehydrator
Dehydrated tube, in addition to oil return system, the oil return system be connected with the dehydrated tube by connecting pipe；The connection
Pipeline and the connector of the dehydrated tube are arranged on the roof of the dehydrated tube；
The oil return system includes surge tank, soft capsule, the control device for controlling the flexible glue capsule volume size, institute
State soft capsule and be provided with inflatable chamber, the soft capsule is provided with inflation inlet, and the soft capsule is sealingly disposed in by the surge tank
In tank body, be provided with gas outlet on the surge tank, the inflatable chamber connection of the control device and soft capsule or with the buffering
The gas outlet connection of tank.
Further, the control device includes inlet channel, exhaust passage, the control being connected with the inflation inlet of soft capsule
Passage and the controller for controlling inlet channel or exhaust passage is turned on and off, the gas outlet of the surge tank and company
Adapter road connects；
Or the inflation inlet of the soft capsule is connected with connecting pipe, the gas outlet of the surge tank and the control are logical
Road connects.
Further, it is provided with the first check valve on the connecting pipe, first check valve is from dehydrated tube to returning
Oil system direction turns on；
The drainback passage connected with oil tank is provided between first check valve and oil return system, on the drainback passage
The second check valve is provided with, second check valve turns on from the oil return system to the oil tank direction.
Further, the control device includes scavenge oil pump, T-valve, and the T-valve connects including A interfaces, B interface and C
Mouthful；
The scavenge oil pump is arranged on the connecting pipe that the surge tank is connected with the dehydrated tube, the B interface with
Dehydrated tube connects, and the gas outlet of the A interfaces and surge tank connects or is connected with the inflation inlet of the soft capsule, the C
One end of interface and scavenge oil pump connects, the other end of the scavenge oil pump and the A orifices.
Further, the soft capsule is sealingly disposed in the surge tank by mounting flange；The material of the soft capsule
Matter is fluorubber or nitrile rubber.
Further, the inlet channel connection compressed air or nitrogen, the pressure of oil return system is increased.
A kind of hydrocone type oil tank automatic oil return method, comprises the following steps：
S1, dehydrator are connected with oil tank by dehydrated tube, the air pressure in control device increase soft capsule or surge tank, will
Oil in oil return system is expelled to oil tank；
S2, discharge oil return system in gas, dehydrator top oil oil tank itself pressure effect under through connecting tube
Road enters oil return system, and the water of tank bottom enters dehydrator through dehydrated tube；
S3, dehydrator dehydration；
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, stops dehydration；
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Further, in the step S1, the control device includes inlet channel, exhaust passage, filled with soft capsule
The control passage of gas port connection and the controller for controlling inlet channel or exhaust passage is turned on and off, the buffering
The gas outlet of tank is connected with connecting pipe；
Gas is injected to the soft capsule by inlet channel, increases the pressure in soft capsule inflatable chamber, discharges surge tank
Interior oil is to oil tank, and soar surge tank；
The gas in soft capsule is discharged by exhaust passage, under the effect of oil tank pressure itself, the oil on dehydrator top
Enter surge tank through connecting pipe, the water of tank bottom enters dehydrator through dehydrated tube.
Or the inflation inlet of the soft capsule is connected with connecting pipe, the gas outlet of the surge tank and the control are logical
Road connects；
Gas is injected to surge tank by inlet channel, compresses soft capsule, is discharged oily to oil tank in soft capsule；
Gas in surge tank is discharged by exhaust passage, soft capsule external pressure reduces, and is acted in oil tank pressure itself
Under, the oil on dehydrator top enters soft capsule through connecting pipe, and the water of tank bottom enters dehydrator through dehydrated tube.
Further, it is provided with the first check valve on the connecting pipe, first check valve is from dehydrated tube to returning
Oil system direction turns on；It is provided with the drainback passage connected with oil tank between first check valve and oil return system, described time
The second check valve is provided with oily passage, second check valve turns on from the oil return system to the oil tank direction；
In S1, the oil in oil return system drains into oil tank through the second check valve；
In S2, the oil on dehydrator top enters oil return system through the first check valve.
Further, the control device includes scavenge oil pump, T-valve, and the T-valve connects including A interfaces, B interface and C
Mouthful；
The scavenge oil pump is arranged on the surge tank connecting pipe, and the B interface is connected with dehydrated tube, and the A connects
Mouth is connected with the gas outlet of surge tank or is connected with the inflation inlet of the soft capsule, and one end of the C interface and scavenge oil pump connects
Connect, the other end of the scavenge oil pump and the A orifices；
In the step S1, increase the pressure in soft capsule or surge tank, by the scavenge oil pump by the oil in surge tank
Extract out, oil is back to oil tank through scavenge oil pump, the C interface of T-valve, B interface, and soft capsule is inflated under atmospheric pressure；
In the step S2, the gas in oil return system is discharged, is stopped by scavenge oil pump, in true in surge tank
Dummy status, the oily B interface through T-valve, the A interfaces on dehydrator top enter surge tank, the gas in soft capsule are discharged.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention by soft capsule and the surge tank of sealing by oily and air insulated, using the deformation characteristic of soft capsule,
Control oil return system oil suction by changing the pressure of inflatable chamber in soft capsule or oil is expelled to oil tank, and not by speed
Limitation, improve the efficiency of oil return, and safety and environmental protection.
(2) soft capsule is made of fluorubber, durable in use, and limits soft capsule excessive deformation by surge tank, is kept away
Exempt to damage, ensure that safety, service life length.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation of hydrocone type oil tank automatic dehydration oil return system embodiment one of the present invention；
Fig. 2 is the structural representation of hydrocone type oil tank automatic dehydration oil return system embodiment two of the present invention；
Fig. 3 is the structural representation of hydrocone type oil tank automatic dehydration oil return system embodiment three of the present invention；
Fig. 4 is the structural representation of hydrocone type oil tank automatic dehydration oil return system example IV of the present invention；
Fig. 5 is the structural representation of hydrocone type oil tank automatic dehydration oil return system embodiment five of the present invention；
Fig. 6 is the structural representation of hydrocone type oil tank automatic dehydration oil return system embodiment six of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment one
Such as Fig. 1 hydrocone type oil tank automatic dehydration oil return systems of the present invention, including oil tank 1, dehydrator 2, for connecting
The dehydrated tube 3 of oil tank 1 and dehydrator 2, oil return system, the oil return system are connected by connecting pipe 4 and the dehydrated tube 3
Logical, the connecting pipe 4 and the connector of the dehydrated tube 3 are arranged on the roof of the dehydrated tube 3.
The oil return system includes surge tank 5, soft capsule 6, increased or decreased for controlling air pressure in the surge tank
Control device 7, the soft capsule 6 are provided with an inflatable chamber, and the soft capsule 6 is arranged in the surge tank 5, the surge tank
5 are tightly connected with the soft capsule 6 by mounting flange 62, and inflation inlet 61, the surge tank 5 are provided with the soft capsule 6
It is provided with gas outlet 51.Soft capsule 6 in the present embodiment is made of fluorubber, but the present invention is not limited to use fluorubber,
It can also be made of other soft materials with retractility.The surge tank 5 is made of Stainless Steel, but the present invention's is slow
Rush tank 5 to be not limited to be made of Stainless Steel, can also be made of other materials made firmly.
The control device 7 includes inlet channel 71, exhaust passage 72, the control being connected with the inflation inlet 61 of soft capsule 6
Passage 74 and the controller 73 for controlling inlet channel 71 or exhaust passage 72 is turned on and off, the surge tank 5 go out
Gas port 51 is connected with connecting pipe 4.The inlet channel 71 is connected with compressed air or nitrogen, increases pressure for soft capsule 6.
Master switch 31 is provided with the dehydrated tube 3, tributary switching valve body 41 is provided with the connecting pipe 4.
A kind of hydrocone type oil tank automatic dehydration oil return method：
S1, controller 73 control inlet channel 71 to turn on, and are inflated to soft capsule 6, increase the pressure in soft capsule 6 so that
Soft capsule 6 expands, and discharges oily to oil tank 1 in surge tank 5.
S2, controller 73 close inlet channel 71, open exhaust passage 72, discharge the gas in soft capsule 6, soft capsule 6
Volume contraction, the pressure in surge tank 5 are reduced, and the oil on the top of dehydrator 2 enters surge tank in the presence of oil tank pressure itself,
The water of the bottom of oil tank 1 enters dehydrator.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Embodiment two
As shown in Fig. 2 hydrocone type oil tank automatic dehydration oil return system described in the present embodiment, except the connection side of oil return system
To other structure ＆ working mechanisms are identical with embodiment one.The inflation inlet 61 of the soft capsule 6 is connected with connecting pipe 4, institute
The gas outlet 51 of surge tank 5 is stated to be connected with the control passage 74 of pressure controller 7.
A kind of hydrocone type oil tank automatic dehydration oil return method, comprises the following steps：
S1, controller 73 control inlet channel 71 to turn on, and are inflated to surge tank 5, extrude soft capsule 6 so that soft capsule 6 is received
Contracting, discharge oily to oil tank 1 in soft capsule 6.
S2, controller 73 close inlet channel 71, open exhaust passage 72, discharge the gas in surge tank 5, surge tank 5
Upper pressure reduce, the top of dehydrator 2 oil enter soft capsule 6, the water of the bottom of oil tank 1 in the presence of oil tank pressure itself
Into dehydrator.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Embodiment three
As shown in figure 3, hydrocone type oil tank automatic dehydration oil return system described in the present embodiment, except the oil return of oil return system is led to
Outside road, other structure ＆ working mechanisms are identical with embodiment one.The first check valve 42, institute are provided with the control passage 4
The first check valve 42 is stated to turn on from de-oiling passage to oil return system direction.Also include oil returning tube 43, the oil returning tube 43 1
End is arranged on the control passage 4 between first check valve 42 and surge tank 5, and the other end is connected with oil tank 1, the oil return pipe
Second check valve 44 is set on road 43, and second check valve 44 turns on from surge tank 5 to the direction of oil tank 1.The drainback passage
Oil return switch valve 45 is provided with 43.
A kind of hydrocone type oil tank automatic dehydration oil return method, step are as follows：
S1, controller 73 control inlet channel 71 to turn on, and are inflated to soft capsule 6, increase the pressure in soft capsule 6 so that
Soft capsule 6 expands, and the oil in surge tank 5 is vented back to oil tank 1 through drainback passage 44.
S2, controller 73 close inlet channel 71, open exhaust passage 72, discharge the gas in soft capsule 6, soft capsule 6
Volume contraction, the pressure in surge tank 5 are reduced, and the oil on the top of dehydrator 2 is unidirectional through first in the presence of oil tank pressure itself
Valve 42 enters surge tank 5, and the water of the bottom of oil tank 1 enters dehydrator.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Example IV
As shown in figure 4, hydrocone type oil tank automatic dehydration oil return system described in the present embodiment, except the connection side of oil return system
To other structure ＆ working mechanisms are identical with embodiment three.The inflation inlet 61 of the soft capsule 6 is connected with connecting pipe 4, institute
The gas outlet 51 of surge tank 5 is stated to be connected with the control passage 74 of pressure controller 7.
A kind of hydrocone type oil tank automatic dehydration oil return method, comprises the following steps：
S1, controller 73 control inlet channel 71 to turn on, and are inflated to surge tank 5, extrude soft capsule 6 so that soft capsule 6 is received
Contract, the oil in soft capsule 6 is back to oil tank 1 through the second check valve 44.
S2, controller 73 close inlet channel 71, open exhaust passage 72, discharge the gas in surge tank 5, surge tank 5
Top produce vacuum, the top of dehydrator 2 oil enter soft capsule through the first check valve 42 in the presence of oil tank pressure itself
6, the water of the bottom of oil tank 1 enters dehydrator.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Embodiment five
As shown in figure 5, hydrocone type oil tank automatic dehydration oil return system described in the present embodiment, except the control of oil return system fills
Outside putting, other structure ＆ working mechanisms are identical with embodiment one.
The control device includes scavenge oil pump 8, T-valve 9, and the T-valve 9 includes A interfaces, B interface and C interface；
The scavenge oil pump 8 is arranged on the connecting pipe 4 that the surge tank 5 is connected with dehydrated tube 3, the B interface with
Dehydrated tube 4 is connected, and the A interfaces are connected with the gas outlet 51 of surge tank 5, and the C interface is connected with one end of scavenge oil pump 8,
The other end of the scavenge oil pump 8 and the A orifices, the inflation inlet of the soft capsule are vented.
A kind of hydrocone type oil tank automatic dehydration oil return method, comprises the following steps
S1, scavenge oil pump 8 extract the oil in surge tank 5, and oil tank is back to through scavenge oil pump 8, the C interface of T-valve 9 and B interface,
Vacuum state is in surge tank 5, inflation inlet of the gas through soft capsule 6 enters soft capsule, soft capsule expansion.
S2, scavenge oil pump stop oil pumping, vacuum state are in surge tank 5, the oil on the top of dehydrator 2 is in oil tank pressure itself
In the presence of enter surge tank, the water of the bottom of oil tank 1 enters dehydrator, and soft capsule is squeezed discharge gas, volume contraction.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
Embodiment six
As shown in fig. 6, hydrocone type oil tank automatic dehydration oil return system described in the present embodiment, except the connection side of oil return system
To other structure ＆ working mechanisms are identical with embodiment five.The B interface is connected with dehydrated tube 4, the A interfaces and institute
The inflation inlet 61 for stating soft capsule 6 is connected, and the C interface is connected with one end of scavenge oil pump 8, the other end of the scavenge oil pump 8 and institute
A orifices are stated, the gas outlet 51 of the surge tank 5 is vented.
A kind of hydrocone type oil tank automatic dehydration oil return method, comprises the following steps
S1, scavenge oil pump 8 extract the oil in soft capsule 6, and oil tank is back to through scavenge oil pump 8, the C interface of T-valve 9 and B interface,
Vacuum state is in surge tank 5, soft capsule 6 shrinks, and the gas outlet of the buffered tank 5 of air enters surge tank 5.
S2, scavenge oil pump stop oil pumping, vacuum state are in soft capsule 6, the oil on the top of dehydrator 2 is in oil tank pressure itself
In the presence of the B interface through T-valve 9, A interfaces enter soft capsule 6, the water of the bottom of oil tank 1 enters dehydrator, soft capsule 6 by
The effect of oil is expanded, and the air in surge tank 5 is discharged through gas outlet 51.
S3, dehydrator are dehydrated.
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, and such as 0.01%~10%, stop dehydration.
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water.
The present invention by soft capsule and the surge tank of sealing by oil and air insulated, it is logical using the deformation characteristic of soft capsule
Cross and change the pressure of inflatable chamber in soft capsule and control oil return system oil suction or oil is expelled to oil tank, and do not limited by speed
System, improve the efficiency of oil return, and safety and environmental protection.Soft capsule is made of fluorubber, durable in use, and passes through surge tank
Soft capsule excessive deformation is limited, avoids damaging, ensure that safety, service life length.
The other structures of hydrocone type oil tank automatic dehydration oil return system are referring to prior art described in the present embodiment.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, therefore
Every any modification that without departing from technical solution of the present invention content, the technical spirit according to the present invention is made to above example,
Equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of hydrocone type oil tank automatic dehydration oil return system, including oil tank, dehydrator, the dehydrating tube for connecting oil tank and dehydrator
Road, it is characterised in that：Also include oil return system, the oil return system is connected with the dehydrated tube by connecting pipe；It is described
Connecting pipe and the connector of the dehydrated tube are arranged on the roof of the dehydrated tube；
The oil return system includes surge tank, soft capsule, the control device for controlling the flexible glue capsule volume size, described soft
Capsule is provided with inflatable chamber, and the soft capsule is provided with inflation inlet, and the soft capsule is sealingly disposed in tank body by the surge tank
It is interior, be provided with gas outlet on the surge tank, the inflatable chamber connection of the control device and soft capsule or with the surge tank
Gas outlet connects；
The control device includes inlet channel, exhaust passage, the control passage being connected with the inflation inlet of soft capsule and is used for
The controller that control inlet channel or exhaust passage are turned on and off, the gas outlet of the surge tank is connected with connecting pipe；Or
Person, the inflation inlet of the soft capsule are connected with connecting pipe, and the gas outlet of the surge tank is connected with the control passage；
The first check valve is provided with the connecting pipe, first check valve is led from dehydrated tube to oil return system direction
It is logical；
The drainback passage connected with oil tank is provided between first check valve and oil return system, is set on the drainback passage
There is the second check valve, second check valve turns on from the oil return system to the oil tank direction；
The inlet channel connection compressed air or nitrogen.
2. hydrocone type oil tank automatic dehydration oil return system according to claim 1, it is characterised in that：The control device includes
Scavenge oil pump, T-valve, the T-valve include A interfaces, B interface and C interface；
The scavenge oil pump is arranged on the connecting pipe that the surge tank is connected with the dehydrated tube, the B interface and dehydration
Pipeline connects, and the gas outlet of the A interfaces and surge tank connects or is connected with the inflation inlet of the soft capsule, the C interface
It is connected with one end of scavenge oil pump, the other end of the scavenge oil pump and the A orifices.
3. a kind of oil return method of hydrocone type oil tank automatic dehydration oil return system using described in any one of claim 1 to 2, its
It is characterised by：Comprise the following steps：
S1, dehydrator are connected with oil tank by dehydrated tube, the air pressure in control device increase soft capsule or surge tank, by oil return
Oil in system is expelled to oil tank；
Gas in S2, discharge oil return system, the oil on dehydrator top enter under the pressure effect of oil tank itself through connecting pipe
Enter oil return system, the water of tank bottom enters dehydrator through dehydrated tube；
S3, dehydrator dehydration；
The volumetric ratio of oil and water increases to certain ratio in S4, dehydrator, stops dehydration；
S5, repeat step S1~S4, dehydration cycle, until dehydrator can not be then exhausted from water；
In the step S1, the control device includes inlet channel, exhaust passage, the control being connected with the inflation inlet of soft capsule
Passage and the controller for controlling inlet channel or exhaust passage is turned on and off.
4. oil return method according to claim 3, it is characterised in that：
In the step S1, the gas outlet of the surge tank is connected with connecting pipe；
Gas is injected to the soft capsule by inlet channel, increases the pressure in soft capsule inflatable chamber, discharges in surge tank
Oil is to oil tank, and soar surge tank；
The gas in soft capsule is discharged by exhaust passage, under the effect of oil tank pressure itself, the oil on dehydrator top is through even
Adapter road enters surge tank, and the water of tank bottom enters dehydrator through dehydrated tube；
Or the inflation inlet of the soft capsule is connected with connecting pipe, the gas outlet of the surge tank connects with the control passage
Connect；
Gas is injected to surge tank by inlet channel, compresses soft capsule, is discharged oily to oil tank in soft capsule；
Gas in surge tank is discharged by exhaust passage, soft capsule external pressure reduces, and under the effect of oil tank pressure itself, takes off
The oil on hydrophone top enters soft capsule through connecting pipe, and the water of tank bottom enters dehydrator through dehydrated tube.
5. oil return method according to claim 4, it is characterised in that：Set between first check valve and oil return system
There is the drainback passage connected with oil tank, the second check valve is provided with the drainback passage, second check valve is from described time
Oil system turns on to the oil tank direction；
In S1, the oil in oil return system drains into oil tank through the second check valve；
In S2, the oil on dehydrator top enters oil return system through the first check valve.
6. oil return method according to claim 3, it is characterised in that：The control device includes scavenge oil pump, T-valve, institute
Stating T-valve includes A interfaces, B interface and C interface；
The scavenge oil pump is arranged on the surge tank connecting pipe, and the B interface is connected with dehydrated tube, the A interfaces with
The gas outlet connection of surge tank is connected with the inflation inlet of the soft capsule, one end connection of the C interface and scavenge oil pump, institute
State the other end of scavenge oil pump and the A orifices；
In the step S1, increase the pressure in soft capsule or surge tank, extracted out the oil in surge tank by the scavenge oil pump,
Oil is back to oil tank through scavenge oil pump, the C interface of T-valve, B interface, and soft capsule is inflated under atmospheric pressure；
In the step S2, the gas in oil return system is discharged, is stopped by scavenge oil pump, vacuum shape is in surge tank
State, the oily B interface through T-valve, the A interfaces on dehydrator top enter surge tank, the gas in soft capsule are discharged.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932283.8A CN105416893B (en) | 2015-12-14 | 2015-12-14 | A kind of hydrocone type oil tank automatic dehydration oil return system and oil return method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932283.8A CN105416893B (en) | 2015-12-14 | 2015-12-14 | A kind of hydrocone type oil tank automatic dehydration oil return system and oil return method |
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| CN105416893A CN105416893A (en) | 2016-03-23 |
| CN105416893B true CN105416893B (en) | 2018-02-06 |
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| CN106043980B (en) * | 2016-05-26 | 2018-02-09 | 高翔 | Automatic water-stopping oil return method and system are realized using Petroleum Storage Tank drainpipe |
| CN108190270A (en) * | 2018-01-31 | 2018-06-22 | 四川乐山伟业机电有限责任公司 | A kind of dewatering in siphon type oil storage tank forces oil-return type automatic dewatering unit |
| CN109341995B (en) * | 2018-11-22 | 2024-01-12 | 苏州苏试试验集团股份有限公司 | Automatic regulating system for hydraulic oil return flow of horizontal slipway of vibrating table |
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| JP3597900B2 (en) * | 1995-01-23 | 2004-12-08 | 出光エンジニアリング株式会社 | Automatic draining device for crude oil stored in tanks |
| CN2234932Y (en) * | 1995-08-23 | 1996-09-11 | 奉化市索图仪表制造有限公司 | Automatic dewatering device for oil cylinder |
| CN2403733Y (en) * | 2000-01-14 | 2000-11-01 | 乐清市银河特种设备制造有限公司 | Automatic controller for oil tank dewatering |
| CN2499655Y (en) * | 2001-07-19 | 2002-07-10 | 中国石油天然气股份有限公司 | Gas and liquid interlink device for long distance transport pipeline main line cut-off valve |
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| CN201343271Y (en) * | 2008-11-21 | 2009-11-11 | 北京石油化工学院 | Air-bag type pressure control device for underground oil storage tank in refueling station |
| CN203564817U (en) * | 2013-11-29 | 2014-04-30 | 浙江扬帆新材料股份有限公司 | Oil-water separator with improved separation effect |
| CN104291031B (en) * | 2014-09-24 | 2017-06-27 | 广州天禾自动化实业有限公司 | A kind of type of respiration automatic dehydration oil return system and method for hydrocone type oil tank |
| CN205274262U (en) * | 2015-12-14 | 2016-06-01 | 广州天禾自动化实业有限公司 | Automatic return oil system that dewaters of hydrocone type oil tank |
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Address after: Room 801, Building A, No. 10 Xicheng Middle Street, Huangpu District, Guangzhou City, Guangdong Province, 510730 Patentee after: GUANGZHOU DAY WO AUTOMATION INDUSTRIAL Co.,Ltd. Address before: 1102B, No. 9 Caibin Road, Science City, Guangzhou Economic and Technological Development Zone, Guangdong Province, 510663 Patentee before: GUANGZHOU DAY WO AUTOMATION INDUSTRIAL Co.,Ltd. |