CN117069201A - Full-automatic row processing and monitoring system for offshore liquefied natural gas wharf - Google Patents
Full-automatic row processing and monitoring system for offshore liquefied natural gas wharf Download PDFInfo
- Publication number
- CN117069201A CN117069201A CN202310776094.0A CN202310776094A CN117069201A CN 117069201 A CN117069201 A CN 117069201A CN 202310776094 A CN202310776094 A CN 202310776094A CN 117069201 A CN117069201 A CN 117069201A
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- Prior art keywords
- oil
- tank
- dirty oil
- dirty
- sea
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000000926 separation method Methods 0.000 claims abstract description 42
- 239000010865 sewage Substances 0.000 claims abstract description 42
- 238000007599 discharging Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000013535 sea water Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a full-automatic drainage treatment and monitoring system for an offshore liquefied natural gas wharf, which relates to the technical field of ocean engineering and comprises an oil-water separation tank, wherein one end of the oil-water separation tank is provided with an oily sewage inlet, an inlet rectifying baffle plate, a corrugated plate group, a coalescing element, an oil collecting groove, a weir plate and a clean water tank which are mutually communicated are sequentially arranged in the oil-water separation tank along the flowing direction of the oily sewage, the oily sewage is subjected to oil-water separation through the corrugated plate group, the separated sewage is secondarily separated into clean water through the coalescing element and enters the clean water tank through the weir plate, the clean water tank is communicated with a sea drainage pipeline, and the sea drainage pipeline is provided with a sea drainage control valve; the separated dirty oil enters an oil receiving groove, the oil receiving groove is communicated with an inlet pipeline of a dirty oil pump, an outlet pipeline of the dirty oil pump is communicated with a shuttle dirty oil tank, a sampling discharge valve is arranged at the bottom of the shuttle dirty oil tank, and the sampling discharge valve is communicated with an oily sewage inlet of an oil-water separation tank through a floor drain; the invention can independently finish the collection, treatment and discharge of oily sewage.
Description
Technical Field
The invention relates to the technical field of ocean engineering, in particular to a full-automatic discharging treatment and monitoring system for an offshore liquefied natural gas wharf.
Background
The drainage system is one of the indispensable systems of the offshore liquefied natural gas terminal and is mainly used for collecting deck rainwater, cleaning sewage and dirty oil discharged on the offshore liquefied natural gas terminal at normal pressure. In general, these fluids are collected by a floor drain and stored in an open-row tank, pumped into a closed-row discharge system or a production system by an open-row pump, and finally discharged to the sea after being treated by a sea pipe external transportation or a production water system, so as to reduce pollution to the marine environment, and clean rainwater and overflow of the open-row tank are directly discharged to the sea.
In the prior art, the conventional open tank has no advanced treatment function, only has a storage function and a simple gravity sedimentation function, and cannot meet the requirements of clean water sea water drainage and oil-containing standards. The conventional sewage drainage can only be treated by depending on the sea pipe external transmission or the production water treatment system, and the conventional drainage system cannot be used for the platform without sea pipe external transmission condition or production water treatment, such as offshore facilities like liquefied natural gas wharfs. And the sewage discharged through the sea pipe can pollute the production fluid, waste energy and cause sea pipe corrosion. The conventional sea water discharging pipeline has no control and monitoring functions, has no functions of real-time pollution discharge monitoring, total quantity monitoring and automatic shutoff, and cannot perform on-line monitoring and discharge control on sea water discharging sewage.
When the deck area of the offshore liquefied natural gas wharf is large or the rainfall in the region is large, a large-size discharging tank and a large-discharge discharging pump are required to be designed, so that equipment investment is large, the occupied area is large, meanwhile, the fluctuation of a production system is large, and production is influenced. In addition, the position of the discharge tank is the lowest point of the platform, so that the position of the discharge pump is lower to ensure the cavitation allowance, the discharge pump is damaged by the upper wave, and meanwhile, oil leakage and pollution are caused.
Disclosure of Invention
The invention aims to provide a device capable of independently completing collection, treatment and discharge of oily sewage.
In order to solve the technical problems, the invention provides a full-automatic drainage treatment and monitoring system for an offshore liquefied natural gas wharf, which comprises an oil-water separation tank, a dirty oil pump and a shuttle dirty oil tank, wherein one end of the oil-water separation tank is provided with an oily sewage inlet, an inlet rectifying baffle plate, a corrugated plate group, a coalescing element, an oil receiving tank, a weir plate and a clean water tank which are mutually communicated are sequentially arranged in the oil-water separation tank along the flowing direction of the oily sewage, the oily sewage is subjected to oil-water separation through the corrugated plate group, the separated sewage is secondarily separated into clean water through the coalescing element and enters the clean water tank through the weir plate, the clean water tank is communicated with a sea drainage pipeline, and the sea drainage pipeline is provided with a sea drainage control valve; the dirty oil of separation gets into and receives the oil groove, it has the entry pipeline of dirty oil pump to receive the oil groove intercommunication, the outlet line intercommunication of dirty oil pump has the dirty oil tank that shuttles back and forth, the bottom of dirty oil tank that shuttles back and forth is provided with the sample discharge valve, the sample discharge valve passes through the floor drain and communicates in the oily sewage entry of oily water knockout drum.
According to a preferred embodiment of the invention, a clear water level sensor is arranged in the clear water tank, and the clear water level sensor controls the switch of the sea-draining control valve.
According to a preferred embodiment of the invention, the sea drain line is provided with an oil-water analyzer sensor which controls the opening and closing of the sea drain control valve.
According to a preferred embodiment of the invention, a dirty oil level sensor is arranged in the oil receiving tank, and the dirty oil level sensor controls a driving gas switching valve arranged on the dirty oil pump.
According to a preferred embodiment of the invention, a dirty oil flow sensor is mounted on an outlet pipeline of the dirty oil pump, and the dirty oil flow sensor controls a driving gas switching valve arranged on the dirty oil pump.
According to a preferred embodiment of the invention, a hose is arranged between the outlet pipeline of the dirty oil pump and the shuttle dirty oil tank, and a quick-release interface is arranged at the port of the hose.
According to a preferred embodiment of the invention, the top of the oil-water separation tank is provided with a blow-down pipe with a flame arrester.
According to a preferred embodiment of the invention, the sump pump is a self-priming pneumatic diaphragm pump.
According to a preferred embodiment of the invention, the top of the shuttle sewage tank is provided with a blow-down pipe with a flame arrester and a safety valve.
According to a preferred embodiment of the invention, the shuttle sewage tank is provided with a depth measuring ruler in a penetrating way at the top.
The invention has the technical effects that:
1. the invention relates to a full-automatic discharging treatment and monitoring system of an offshore liquefied natural gas wharf, which comprises an oil-water separation tank, a dirty oil pump and a shuttle dirty oil tank, wherein oily sewage enters an oily sewage inlet of the oil-water separation tank, flows are stabilized through an inlet rectifying baffle plate in the tank, stable fluid is subjected to oil-water separation through a corrugated plate group, separated dirty oil enters an oil collecting tank for collection, separated water is subjected to secondary separation through a coalescence piece at the bottom of the oil collecting tank, obtained qualified clean water enters a clean water tank through a weir, and a sea discharging pipeline and a sea discharging control valve are arranged in the clean water tank for sea discharging; the oil receiving groove is communicated with a dirty oil pump, and the dirty oil in the oil receiving groove is conveyed to the shuttle dirty oil tank; the dirty oil in the dirty oil tank is subjected to gravity sedimentation, a water layer at the lower part in the discharge tank of the sampling discharge valve enters the oil-water separation tank again through the floor drain for treatment; the system can meet the requirements that the row-opening system independently completes collection treatment and discharge, gets rid of dependence on other systems, realizes independent functions, can be widely used for various offshore facilities, and has wide application prospect.
2. The oil-water separation tank is internally provided with the inlet rectifying baffle plate, the corrugated plate group and the oil collecting groove, the bottom of the oil collecting groove is provided with the metal coalescing element, the other side of the oil collecting groove is provided with the weir plate, qualified clear water overflows from the weir plate to the clear water tank after oil-water separation, automatic sea drainage is realized through the automatic sea drainage valve on the liquid level control sea drainage pipeline, and the treatment effect of a sea drainage system is ensured.
3. The sea drainage pipeline is provided with the oil-water analyzer sensor for continuously monitoring the water quality, and is automatically turned off and alarmed when the water quality does not meet the sea drainage standard, and meanwhile, the sea drainage flowmeter is arranged, so that the flow and the total amount of sewage can be monitored, the on-line control and monitoring of the drainage is realized, and the environmental pollution is prevented.
4. The dirty oil is collected in the oil collecting tank, the dirty oil level sensor starts the dirty oil pump and is conveyed to the shuttle dirty oil tank for storage, the shuttle dirty oil tank is arranged at the top, the dirty oil in the tank is subjected to gravity sedimentation, and when the bottom sampling discharge valve is qualified in sampling, the water layer at the lower part in the tank can be periodically discharged to enter the oil-water separation tank again for treatment, so that the turnover period of the shuttle dirty oil tank is greatly prolonged, the equipment size and the discharge capacity are greatly reduced, the space requirement on the offshore liquefied natural gas wharf is reduced, and the equipment investment, the platform investment and the operation cost are saved.
5. The overhead self-priming pneumatic diaphragm pump sump oil pump is adopted, damage and oil spilling pollution to the pump caused by upper waves are avoided, meanwhile, the tank cleaning operation of sump oil conveying or oil-water separating tanks is realized through the switching valve of the inlet of the sump oil pump, and a hose is arranged between the outlet pipeline of the sump oil pump and the shuttle sump oil tank, so that the disassembly and transportation operation of the shuttle sump oil tank are facilitated, and the convenience in operation of field personnel is realized.
Drawings
FIG. 1 is a schematic diagram of a full automatic on-shore lng terminal disposal and monitoring system of the present invention.
Reference numerals: 1-an oil-water separation tank; 2-a sump oil pump; 3-shuttle dirty oil tanks; 4-inlet rectifying baffles; 5-corrugated plate groups; 6-an oil collecting groove; 7-coalescing element; 8-weir plates; 9-vortex breaker; 10-dirty oil level sensor; 11-a clean water level sensor; 12-sea discharging control valve; 13-an oil-water analyzer sensor; 14-a sea-going flowmeter; 15-a sump pump filter; 16-actuating an air switch valve; 17-a sump oil pump switching valve; 18-dirty oil flow sensor; 19-hose; 20-sampling discharge valve; 21-a depth gauge; 22-blow-down tube with flame arrestor; 23-a safety valve; 24-manhole; 25-hand hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
As shown in fig. 1, the invention provides a full-automatic drainage treatment and monitoring system for an offshore liquefied natural gas wharf, which comprises an oil-water separation tank 1, a dirty oil pump 2 and a shuttle dirty oil tank 3, wherein one end of the oil-water separation tank 1 is provided with an oily sewage inlet, the inside of the oil-water separation tank 1 is sequentially provided with an inlet rectifying baffle 4, a corrugated plate group 5, a coalescing element 7, an oil collecting groove 6, a weir plate 8 and a clean water tank which are mutually communicated along the flowing direction of the oily sewage, the oily sewage is subjected to oil-water separation through the corrugated plate group 5, the separated sewage is secondarily separated into clean water through the coalescing element 7 and enters the clean water tank through the weir plate 8, the clean water tank is communicated with a sea drainage pipeline, and the sea drainage pipeline is provided with a sea drainage control valve 12; the dirty oil of separation gets into and receives the oil groove 6, it has the entry pipeline of dirty oil pump 2 to receive the oil groove 6 intercommunication, the outlet line intercommunication of dirty oil pump 2 has shuttle dirty oil tank 3, the bottom of shuttle dirty oil tank 3 is provided with sample discharge valve 20, sample discharge valve 20 communicates the oily sewage entry in oil water knockout drum 1 through the floor drain.
As shown in fig. 1, the present invention comprises an oil-water separator tank 1, a dirty oil pump 2 and a shuttle dirty oil tank 3.
Oily sewage from the dangerous area and the non-dangerous area respectively enter an oily sewage inlet of the oil-water separation tank 1 through separate manifolds, flow is stabilized through an in-tank inlet rectifying baffle 4, stable fluid is subjected to oil-water separation through a corrugated plate group 5, separated dirty oil enters an oil collecting groove 6 to be collected, separated water is subjected to secondary separation through a coalescence piece 7 at the bottom of the oil collecting groove 6, obtained qualified clear water enters a clear water tank through a weir plate 8, a clear water liquid level sensor 11 is arranged in the clear water tank to control a sea discharging control valve 12, and when the liquid level reaches a certain height, the sea discharging control valve 12 is automatically opened to discharge sea. The sea discharging pipeline is provided with an oil-water analyzer 13 for continuously monitoring the water quality and controlling the sea discharging valve 12, and when the water quality does not meet the sea discharging standard, the sea discharging control valve 12 is automatically turned off and the alarm is given. And the sea discharge pipeline is provided with a sea discharge flowmeter 14 for monitoring the flow and the total amount of sewage.
The dirty oil liquid level sensor 10 is arranged in the oil collecting tank 6 to control the driving air switch valve 16 of the dirty oil pump 2, when the liquid level reaches a certain height, the driving air switch valve 16 is opened, the dirty oil pump 2 is driven by driving air, and the dirty oil in the oil collecting tank 6 is conveyed to the shuttle dirty oil tank 3 through the dirty oil pump filter 15. The outlet of the dirty oil pump 2 is provided with a dirty oil flow sensor 18, the total amount of dirty oil is metered, and the driving gas switch valve 16 of the dirty oil pump 2 is controlled, and when the shuttle dirty oil tank 3 approaches to a full tank, the dirty oil flow sensor 18 alarms and closes the driving gas switch valve 16 of the dirty oil pump 2.
The dirty oil in the shuttle dirty oil tank 3 is subjected to gravity sedimentation, and when the bottom sampling discharge valve 20 is qualified in sampling, the water layer at the lower part in the tank can be periodically discharged through the sampling discharge valve 20, and the water layer reenters the oil-water separation tank 1 through the floor drain for treatment.
Preferably, the inlet end of the oil-water separation tank 1 is provided with manholes 24 on the tank bodies on two sides of the corrugated plate group 5 and two sides of the weir plate 8 respectively, and each space unit of the tank body is provided with manholes 24 respectively, so that personnel can conveniently enter the oil-water separation tank 1 during maintenance.
The top of the oil-water separation tank 1 is provided with a blow-down pipe 22 with a flame arrester, so that the volatile flammable dangerous gas in the tank body can be discharged.
Preferably, a dirty oil level sensor 10 is arranged in the oil receiving tank 6, and the dirty oil level sensor 10 controls a driving gas switching valve 16 arranged on the dirty oil pump 2. The dirty oil obtained by oil-water separation is collected in the oil collecting tank 6, and when the liquid level reaches a certain high position, the dirty oil level sensor 10 in the oil tank automatically starts the dirty oil pump 2 and conveys the dirty oil to the shuttle dirty oil tank 3 for storage.
Preferably, a clear water level sensor 11 is arranged in the clear water tank, and the clear water level sensor 11 controls the on-off of the sea discharging control valve 12. The bottom of the clean water tank is also provided with a vortex breaker 9.
Preferably, an oil-water analyzer sensor 13 is installed on the sea-draining pipeline, and the oil-water analyzer sensor 13 is used for continuously monitoring water quality and controlling the opening and closing of the sea-draining control valve 12. The sea control valve 12 is closed and the alarm is given when the water quality does not meet the sea requirement. And the sea discharge pipeline is provided with a sea discharge flowmeter 14 for flow monitoring and monitoring the flow and total amount of sewage.
Preferably, the dirty oil pump 2 is a self-priming pneumatic diaphragm pump arranged at the top, so that damage and oil spilling pollution of the dirty oil pump 2 caused by upper waves are avoided. Meanwhile, the inlet pipeline of the dirty oil pump 2 respectively stretches into the inside and the outside of the oil collecting groove 6 of the oil-water separation tank 1, and a dirty oil pump switching valve 17 is arranged, so that dirty oil conveying or tank cleaning operation of the oil-water separation tank 1 can be realized through the dirty oil pump switching valve 17. The displacement of the sump oil pump 2 can be designed according to the amount of the sewage in the oil receiving tank 6 and the volume of the oil receiving tank 6, so that the displacement of the pump can be greatly reduced.
A dirty oil flow sensor 18 is installed on an outlet pipeline of the dirty oil pump 2, and the dirty oil flow sensor 18 controls a driving gas switching valve 16 arranged on the dirty oil pump 2. The dirty oil pump outlet is provided with the total amount of dirty oil and is automatically metered and turned off, and the dirty oil pump 2 is alarmed and automatically turned off when the shuttle dirty oil tank 3 is close to a full tank, so that overflow is prevented.
Be provided with hose 19 between dirty oil pump 2 outlet line and the dirty oil tank 3 that shuttles back and forth, hose 19 port is provided with quick detach interface, can pull down the joint of hose 19 one end fast when transporting, the dismouting and the transportation operation of the dirty oil tank 3 of being convenient for shuttles back and forth.
Preferably, the shuttle dirty oil tank 3 is arranged at the top, and a switching valve and a sampling discharge valve 20 are arranged at the bottom of the shuttle dirty oil tank 3. The dirty oil in the tank is subjected to gravity sedimentation, and when the bottom sampling discharge valve 20 is qualified in sampling, the water layer at the lower part in the tank can be periodically discharged to re-enter the oil-water separation tank 1 for treatment, so that the turnover period of the shuttle dirty oil tank 3 is greatly prolonged.
The depth measuring ruler 21 is arranged on the top of the shuttle sewage oil tank 3 in a penetrating mode, the shuttle sewage oil tank 3 is not provided with a liquid level meter, damage in the transferring operation is avoided, the depth measuring ruler 21 is arranged, and a person can check the liquid level in the tank through the depth measuring ruler 21.
The top of the shuttle sewage tank 3 is provided with a blow-down pipe 22 with a flame arrester and a safety valve 23 for protection. During normal operation, the emptying pipe 22 with the flame arrester is opened to discharge the volatilized flammable dangerous gas in the tank body, and during shuttle transportation, the emptying pipe 22 with the flame arrester is closed and overpressure protection is carried out through the safety valve 23. And meanwhile, the hand hole 25 is arranged, so that maintenance operation of personnel is facilitated.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The full-automatic drainage treatment and monitoring system for the offshore liquefied natural gas wharf comprises an oil-water separation tank, a dirty oil pump and a shuttle dirty oil tank, and is characterized in that an oily sewage inlet is formed in one end of the oil-water separation tank, an inlet rectifying baffle plate, a corrugated plate group, a coalescing element, an oil collecting groove, a weir plate and a clean water tank which are mutually communicated are sequentially arranged in the oil-water separation tank along the flowing direction of the oily sewage, the oily sewage is subjected to oil-water separation through the corrugated plate group, the separated sewage is secondarily separated into clean water through the coalescing element and enters the clean water tank through the weir plate, the clean water tank is communicated with a sea drainage pipeline, and the sea drainage pipeline is provided with a sea drainage control valve; the dirty oil of separation gets into and receives the oil groove, it has the entry pipeline of dirty oil pump to receive the oil groove intercommunication, the outlet line intercommunication of dirty oil pump has the dirty oil tank that shuttles back and forth, the bottom of dirty oil tank that shuttles back and forth is provided with the sample discharge valve, the sample discharge valve passes through the floor drain and communicates in the oily sewage entry of oily water knockout drum.
2. The full-automatic offshore liquefied natural gas terminal drainage treatment and monitoring system according to claim 1, wherein a clear water level sensor is installed in the clear water tank and controls the opening and closing of the sea drainage control valve.
3. The full-automatic offshore liquefied natural gas terminal displacement processing and monitoring system according to claim 1, wherein an oil-water analyzer sensor is installed on the sea-displacement pipeline, and the oil-water analyzer sensor controls the on-off of the sea-displacement control valve.
4. The full-automatic offshore liquefied natural gas terminal drainage treatment and monitoring system according to claim 1, wherein a dirty oil level sensor is arranged in the oil receiving tank and controls a driving gas switching valve arranged on the dirty oil pump.
5. The full-automatic offshore liquefied natural gas terminal drainage treatment and monitoring system according to claim 1, wherein a dirty oil flow sensor is installed on an outlet pipeline of the dirty oil pump, and the dirty oil flow sensor controls a driving gas switching valve arranged on the dirty oil pump.
6. The full-automatic offshore liquefied natural gas terminal drainage treatment and monitoring system according to claim 1, wherein a hose is arranged between the sewage pump outlet pipeline and the shuttle sewage tank, and a quick-release interface is arranged at a hose port.
7. The full-automatic offshore liquefied natural gas terminal discharging treatment and monitoring system according to claim 1, wherein a blow-down pipe with a flame arrester is arranged at the top of the oil-water separation tank.
8. The full-automatic offshore lng terminal displacement treatment and monitoring system of claim 1, wherein the sump pump is a self-priming pneumatic diaphragm pump.
9. The full-automatic offshore lng terminal drainage treatment and monitoring system of claim 1, wherein the shuttle tank top is provided with a blow-down pipe with a fire arrestor and a safety valve.
10. The full-automatic offshore liquefied natural gas terminal drainage treatment and monitoring system according to claim 1, wherein a depth gauge is arranged on the top of the shuttle sewage tank in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310776094.0A CN117069201A (en) | 2023-06-28 | 2023-06-28 | Full-automatic row processing and monitoring system for offshore liquefied natural gas wharf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310776094.0A CN117069201A (en) | 2023-06-28 | 2023-06-28 | Full-automatic row processing and monitoring system for offshore liquefied natural gas wharf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117069201A true CN117069201A (en) | 2023-11-17 |
Family
ID=88706789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310776094.0A Pending CN117069201A (en) | 2023-06-28 | 2023-06-28 | Full-automatic row processing and monitoring system for offshore liquefied natural gas wharf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117069201A (en) |
-
2023
- 2023-06-28 CN CN202310776094.0A patent/CN117069201A/en active Pending
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