CN104875979A - Automatic oil tank water draining method - Google Patents
Automatic oil tank water draining method Download PDFInfo
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- CN104875979A CN104875979A CN201510185436.7A CN201510185436A CN104875979A CN 104875979 A CN104875979 A CN 104875979A CN 201510185436 A CN201510185436 A CN 201510185436A CN 104875979 A CN104875979 A CN 104875979A
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- Prior art keywords
- water
- oil
- electromagnetic valve
- oil tank
- tank
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Classifications
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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
Abstract
The invention relates to an automatic oil tank water draining method and aims to solve the problems of high manual operation strength, incapability of achieving strict control of oil-water separation, high oil content quantity of drained water, environmental pollution and low safety factor. According to the automatic oil tank water draining method, a pipeline is arranged at the bottom of at least one oil tank to be communicated with a water draining tank, an oil-water interface monitoring sensor is arranged in the water draining tank, an electromagnetic valve is arranged on a pipeline at an outlet of the water draining tank, and a controller is connected with the oil-water interface monitoring sensor and the electromagnetic valve through signal wires. When the water level in the water draining tank reaches or exceeds a set high limit value, the oil-water interface monitoring sensor sends a signal to the controller, the controller outputs a signal to the electromagnetic valve, the electromagnetic valve is turned on, and water in the water draining tank is drained out; When the water level in the water draining tank declines to the set high limit value, the electromagnetic valve is turned off and draining is terminated. The automatic oil tank water draining method solves the problems effectively and can be used or automatic oil tank water draining.
Description
Technical field
The present invention relates to a kind of oil tank automatic water-stopping method.
Background technology
Developing rapidly the requirement of production technology level and the production automation of oil and petrochemical industry is more and more higher, and low-level manual operations greatly have impact on the raising of Enterprise Integrated benefit, and oilcan dehydration is exactly a particularly typical example.Water many employings manual operation cut by the oil tank of current petrochemical industry, and cannot strictly control the separation of profit, the oleaginousness of draining is higher, and this not only causes the waste of oil product, also pollutes environment; Especially maloperation happens occasionally, and brings great potential safety hazard.
At present, the water cut-off device selected by oil product storage tank is various.CN201310159117.X relates to a kind of oil tank automatic water-cutting system, comprises oil tank, detecting unit, control unit and performance element; Detecting unit comprises oil-containing analyser in detector for oil-water interface, lower detector for oil-water interface and water; Upper detector for oil-water interface and lower detector for oil-water interface adopt angle-inserting type to be installed in oil tank, and in water, oil-containing analyser is connected with oil tank by discharge tube; Pipeline is provided with valve; In upper detector for oil-water interface, lower detector for oil-water interface and water, oil-containing analyser forms and two shows joint control structure; In upper detector for oil-water interface, lower detector for oil-water interface and water, the measuring point end of oil-containing analyser is all provided with temperature sensor; In upper detector for oil-water interface, lower detector for oil-water interface and water, oil-containing analyser is all provided with back purge system and device for fixed point sampling, and measuring sonde all scribbles anti-bridging coating.
But what have quite a few Water drainage device of oil tank cuts water less effective, especially for storing containing the water cut-off device of the oil product such as pollutants, impurity, it is poorer to cut water effect.Subject matter comprises cannot cut water, cut water clean, run wet goods.Thus according to the needs of current petrochemical industry storage tank dehydration, develop novel automatic water cut-off device of oil tank, greatly can alleviate the labour intensity of operation element, and decrease oil product waste and environmental pollution, also meet the code requirement of petrochemical system discharge covered conduit, canalization simultaneously.
Summary of the invention
Technical matters to be solved by this invention be in prior art manual operation intensity large, cannot strictly control the separation of profit, the problem that oleaginousness is higher, contaminated environment, safety factor are lower of draining, a kind of new oil tank automatic water-stopping method is provided.The method is used in oil tank automatic water-stopping, have degree of automation high, can strictly control the separation of profit, the advantage that oleaginousness is lower, non-environmental-pollution, safety factor are higher of draining.
For solving the problem, the technical solution used in the present invention is as follows: a kind of oil tank automatic water-stopping method, the bottom of at least one oil tank is provided with pipeline and cuts water pot and be communicated with, cut in water pot and oil-water interface monitoring sensor is set, cut water pot discharge pipe and be provided with electromagnetic valve, controller is connected with oil-water interface monitoring sensor, electromagnetic valve respectively by signal wire (SW); Cut in water pot the oil-water interface remaining certain liquid level, along with water level in oil tank raises, cut water level in water pot to increase, when cutting water level in water pot and meeting or exceeding setting ceiling value, oil-water interface monitoring sensor sends signal to controller, controller then outputs signal to electromagnetic valve, and electromagnetic valve is opened, and cuts water in water pot and discharges; When cutting water level in water pot and being reduced to determinated low limit value, closed electromagnetic valve, draining terminates; Wherein, described oil-water interface monitoring sensor is electromagnetic energy absorption type, and can monitor oil film thickness scope is 0.025 ~ 30mm.
In technique scheme, preferably, described tank bottom with cut the pipeline that water pot is communicated with and be provided with valve.
In technique scheme, preferably, cut water pot discharge pipe described in be connected with sewage treatment unit.
Adopt method of the present invention, based on oil tank automatic water-stopping technology and the device of electromagnetic energy absorption, utilize oil tank consistent with cutting water pot water surface liquid level, water surface liquid level in water pot is cut by the monitoring of oil-water interface monitoring sensor, thus automatically open or shut electromagnetic valve, realize cutting oil tank in water pot and produce the automatic discharge of water.On the dehydrating tube that described equipment is installed on petrol storage tank bottom or blow-off pipe, automatic opening water discharge, automatic closedown after draining completes.Be applicable to the automatic oil-shutting draining of the oil product irrigated area oil tank of petroleum and petrochemical sector.Be particularly suitable for the multiple oil tank centralized control in large-scale Oil Tank to use, obviously can reduce operating costs.Utilize the oil-water interface monitoring technology based on electromagnetic energy absorption, by the automatic opening water discharge of Controlling solenoid valve, and draining can be closed after completing automatically, does not need manual intervention, there is not Explosion-Proof.Use in oil, chemical industry, instead of oil tank and manually cut water mode, achieve automatic water-stopping, the hydrogen sulfide poisoning phenomenon occurred when significantly reducing the labour intensity of operation element and manually cut water, and decrease oil product waste and environmental pollution, also meet the code requirement of petrochemical system discharge covered conduit, canalization simultaneously, overcome the major safety risks that people brings for maloperation, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for the invention.
In Fig. 1,1 is valve; 2 is electromagnetic valve; 3 is oil tank; 4 for controlling; 5 for cutting water pot; 6 is oil-water interface monitoring sensor; 7 for cutting water pot discharge pipe.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
Certain oil product storage tank A cuts water operation, in oil tank, generation water enters through valve 1 and cuts water pot, cutting the former water level of water pot is high 40cm, water pot is cut along with water in oil tank flows into gradually, water level is increased to 60cm, oil-water interface monitoring sensor monitors oil film thickness at 0.025 ~ 0.03mm, send signal to controller, controller, by long-range switching solenoid valve 2, will be cut water in water pot and discharge, can't see obvious oil bloom in water, water incision sewage treatment system, when cutting that in water pot, water level is down to 45cm, electromagnetic valve 2 is closed, and cuts water and terminates.
[embodiment 2]
Certain oil product storage tank B cuts water operation, in oil tank, generation water enters through valve 1 and cuts water pot, cut water pot former water level height 80cm, water pot is cut along with water in oil tank flows into gradually, water level is increased to 120cm, oil-water interface monitoring sensor monitors oil film thickness at 0.025 ~ 0.03mm, send signal to controller, controller is by long-range switching solenoid valve 2, water in water pot will be cut discharge from bottom, in water, can't see obvious oil bloom, water incision sewage treatment system, when cutting that in water pot, water level is down to 85cm, electromagnetic valve 2 is closed.
[comparative example]
Certain oil product storage tank C adopts and manually cuts water operation, by valve 1 switch control rule displacement size, discharges after 2 minutes, see band oil in water, valve-off immediately, in the water of discharge, oil-containing is obvious, automatic water-stopping facility in comparative example 1,2, in the waste water cut out, oleaginousness increases greatly.
Claims (3)
1. an oil tank automatic water-stopping method, the bottom of at least one oil tank is provided with pipeline and cuts water pot and be communicated with, cut in water pot and arrange oil-water interface monitoring sensor, cut water pot discharge pipe and be provided with electromagnetic valve, controller is connected with oil-water interface monitoring sensor, electromagnetic valve respectively by signal wire (SW); Cut in water pot the oil-water interface remaining certain liquid level, along with water level in oil tank raises, cut water level in water pot to increase, when cutting water level in water pot and meeting or exceeding setting ceiling value, oil-water interface monitoring sensor sends signal to controller, controller then outputs signal to electromagnetic valve, and electromagnetic valve is opened, and cuts water in water pot and discharges; When cutting water level in water pot and being reduced to determinated low limit value, closed electromagnetic valve, draining terminates; Wherein, described oil-water interface monitoring sensor is electromagnetic energy absorption type, and can monitor oil film thickness scope is 0.025 ~ 30mm.
2. oil tank automatic water-stopping method according to claim 1, is characterized in that described tank bottom and cuts the pipeline that water pot is communicated with and be provided with valve.
3. oil tank automatic water-stopping method according to claim 1, cuts water pot discharge pipe and is connected with sewage treatment unit described in it is characterized in that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185436.7A CN104875979A (en) | 2015-04-20 | 2015-04-20 | Automatic oil tank water draining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185436.7A CN104875979A (en) | 2015-04-20 | 2015-04-20 | Automatic oil tank water draining method |
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| Publication Number | Publication Date |
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| CN104875979A true CN104875979A (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510185436.7A Pending CN104875979A (en) | 2015-04-20 | 2015-04-20 | Automatic oil tank water draining method |
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| CN (1) | CN104875979A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109051389A (en) * | 2018-07-28 | 2018-12-21 | 锦州锦研科技有限责任公司 | The dynamic auto water cutting device of oil storage tank ultrasound |
| CN109632191A (en) * | 2018-11-29 | 2019-04-16 | 国网天津市电力公司电力科学研究院 | A kind of experimental provision and application method of the online oil leak monitoring in tank farm |
| CN110834824A (en) * | 2019-12-20 | 2020-02-25 | 大连福佳·大化石油化工有限公司 | Water circulation system is cut to storage tank |
| CN113426196A (en) * | 2021-07-06 | 2021-09-24 | 大庆中蓝石化有限公司 | Liquid recovery system is cut to nonene apparatus for producing high-pressure apparatus |
| CN114684770A (en) * | 2022-05-19 | 2022-07-01 | 凯泰（滁州）流体控制有限公司 | Interface level control and oil-water distribution method and system for sewage closed conveying unit |
| CN116185088A (en) * | 2023-03-03 | 2023-05-30 | 广东石油化工学院 | Intelligent drainage monitoring system of crude oil storage tank based on PLC |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0298582A (en) * | 1988-08-02 | 1990-04-10 | Idemitsu Kosan Co Ltd | Method and appratus for draining water from oil tank |
| CN1851314A (en) * | 2006-03-28 | 2006-10-25 | 陈敏君 | Oil tank and pressure tank intelligent dual-controlled water cutting-off device |
| CN202204489U (en) * | 2011-09-06 | 2012-04-25 | 北京康达环境工程有限公司 | Short-message alarm monitoring and controlling device for oil spillage |
| CN202687193U (en) * | 2012-05-28 | 2013-01-23 | 科林声(北京)科技有限责任公司 | Automatic water cutting system of oil tank |
-
2015
- 2015-04-20 CN CN201510185436.7A patent/CN104875979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0298582A (en) * | 1988-08-02 | 1990-04-10 | Idemitsu Kosan Co Ltd | Method and appratus for draining water from oil tank |
| CN1851314A (en) * | 2006-03-28 | 2006-10-25 | 陈敏君 | Oil tank and pressure tank intelligent dual-controlled water cutting-off device |
| CN202204489U (en) * | 2011-09-06 | 2012-04-25 | 北京康达环境工程有限公司 | Short-message alarm monitoring and controlling device for oil spillage |
| CN202687193U (en) * | 2012-05-28 | 2013-01-23 | 科林声(北京)科技有限责任公司 | Automatic water cutting system of oil tank |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109051389A (en) * | 2018-07-28 | 2018-12-21 | 锦州锦研科技有限责任公司 | The dynamic auto water cutting device of oil storage tank ultrasound |
| CN109632191A (en) * | 2018-11-29 | 2019-04-16 | 国网天津市电力公司电力科学研究院 | A kind of experimental provision and application method of the online oil leak monitoring in tank farm |
| CN109632191B (en) * | 2018-11-29 | 2021-06-22 | 国网天津市电力公司电力科学研究院 | Experimental device for online oil leakage monitoring of oil tank field and use method |
| CN110834824A (en) * | 2019-12-20 | 2020-02-25 | 大连福佳·大化石油化工有限公司 | Water circulation system is cut to storage tank |
| CN113426196A (en) * | 2021-07-06 | 2021-09-24 | 大庆中蓝石化有限公司 | Liquid recovery system is cut to nonene apparatus for producing high-pressure apparatus |
| CN113426196B (en) * | 2021-07-06 | 2022-12-27 | 大庆中蓝石化有限公司 | Liquid recovery system is cut to nonene apparatus for producing high-pressure apparatus |
| CN114684770A (en) * | 2022-05-19 | 2022-07-01 | 凯泰（滁州）流体控制有限公司 | Interface level control and oil-water distribution method and system for sewage closed conveying unit |
| CN114684770B (en) * | 2022-05-19 | 2024-01-23 | 凯泰（滁州）流体控制有限公司 | Method and system for realizing interface control and oil-water distribution of sewage closed conveying unit |
| CN116185088A (en) * | 2023-03-03 | 2023-05-30 | 广东石油化工学院 | Intelligent drainage monitoring system of crude oil storage tank based on PLC |
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Application publication date: 20150902 |