CN104787512A - Automatic external floating-roof tank rainwater and sewage dividing control method - Google Patents
Automatic external floating-roof tank rainwater and sewage dividing control method Download PDFInfo
- Publication number
- CN104787512A CN104787512A CN201510185715.3A CN201510185715A CN104787512A CN 104787512 A CN104787512 A CN 104787512A CN 201510185715 A CN201510185715 A CN 201510185715A CN 104787512 A CN104787512 A CN 104787512A
- Authority
- CN
- China
- Prior art keywords
- oil
- tank
- quiet
- peace
- external floating
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
- B65D90/48—Arrangements of indicating or measuring devices
Abstract
The invention relates to an automatic external floating-roof tank rainwater and sewage dividing control method mainly solving the problems that according to an external floating-roof tank in the prior art, clear rainwater and sewage cannot be divided, and the safety coefficient is low. According to the automatic external floating-roof tank rainwater and sewage dividing control method, a central drain pipe of an external floating-roof tank is divided into two paths through a three-way valve, one path is connected with an oiled rainwater pond in a fireproof embankment, the other path is connected with a clear rainwater pond in the fireproof embankment, and the oiled rainwater pond and the clear rainwater pond in the fireproof embankment are internally provided with oil film detectors respectively, and the oil film detectors are used for monitoring the thicknesses of oil films on the water surfaces; by controlling switching of the three-way valve, incoming water of the center drain pipe is set to flow to the oiled rainwater pond in the fireproof embankment; after it rains for ten to fifteen minutes, the three-way valve is automatically switched to through remote control or a system, later clear rainwater is led to the clear rainwater pond in the fireproof embankment; by means of the technical scheme, the problems are solved, and the method can be used for dividing clear rainwater and sewage of the external floating-roof tank.
Description
Technical field
The present invention relates to a kind of external floating top tank rain dirt shunting autocontrol method.
Background technology
In recent years, along with the widespread use of Large Outer Floating Roof Tank technology, in petroleum chemical enterprise's feed oil storage tank, Large Outer Floating Roof Tank quantity increases year by year, and tankage size is increasing.It there are receipt and payment and store oil product loss less, the advantage such as pollution-free and easy to operate.
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.
According to mentality of designing, floating plate central drainage system should be in normally open, but because drainage system easily leaks, the tank bottom outlet valve of drainage system cuts out by most enterprise at ordinary times, only after rainfall starts, just manually open, but current large-scale tank field due to storage tank quantity many (petroleum filling can reach more than 30), attendant few, after heavy showers starts, be difficult to timely unlatching, floating plate excessive surface ponding can be caused, especially along with under high wind conditions, floating plate ponding can, alee to inclination, may cause floating plate to tilt or sinking; After heavy showers starts 10 ~ 15min, also cannot switch to peace and quiet storm-water system in time equally, therefore considerably increase oil-containing rainwater amount, shunting of removing contamination truly cannot be realized.
The present invention solves this problem targetedly.
Summary of the invention
Technical matters to be solved by this invention is that in prior art, external floating top tank rainwater is difficult to realize to remove contamination shunting, problem that safety factor is lower, provides a kind of new external floating top tank rain dirt shunting autocontrol method.The method is used for external floating top tank rainwater and removes contamination in shunting, has external floating top tank rainwater and can to realize removing contamination shunting, advantage that safety factor is higher.
For solving the problem, the technical solution used in the present invention is as follows: a kind of external floating top tank rain dirt shunting autocontrol method, the central drain of external floating top tank is divided into two-way by triple valve, one tunnel is connected with oil-containing stormwater tank in fire bank, one tunnel is connected with stormwater tank peace and quiet in fire bank, in fire bank, in oil-containing stormwater tank and peace and quiet stormwater tank, Oil spill detection device is set respectively, the oil film thickness of the water surface in Real-Time Monitoring pond; By controlling the switching of triple valve, the water of central drain is given tacit consent to and leads to oil-containing stormwater tank in fire bank, after rainfall 10 ~ 15min, by Long-distance Control or system automatic switching three-way valve, by peace and quiet stormwater tank in peace and quiet for later stage rainwater incision fire bank, the valve acquiescence in fire bank on peace and quiet stormwater tank discharge pipe is opened; When detecting that oil film thickness exceedes setting value, the controller be connected with Oil spill detection device and display alarm while of controlling room monitor, prompting is leaked, and automatically cuts off central drain to control oil spilling.
In technique scheme, preferably, described controller is connected with the valve on peace and quiet stormwater tank discharge pipe in triple valve, Oil spill detection device, fire bank respectively by signal wire (SW).
In technique scheme, preferably, described oil film thickness detector is electromagnetic absorption type, and can monitor oil film thickness scope is 0.3 ~ 25mm.
In technique scheme, preferably, described controller is the numeric display unit with sound and light of alarm, be placed in scene, tank field, can set alarm limits, on-the-spot display oil film thickness, reports to the police when detector detects that oil film thickness transfinites, and signal can be transferred to control cabin with wireless or wired forms, control cabin monitoring device shows oil film thickness and overload alarm in real time.
In technique scheme, preferably, the valve in described triple valve, fire bank on peace and quiet stormwater tank discharge pipe is electromagnetic valve.
In technique scheme, preferably, in described fire bank, oil-containing stormwater tank discharge pipe is connected with sewage treatment unit.
In technique scheme, preferably, in described fire bank, peace and quiet stormwater tank discharge pipe is connected with peace and quiet stormwater unit.
Adopt method of the present invention; by switching three-way electromagnetic valve; can long-range to a large amount of storage tank in time, implement the switching of initial stage oil-containing rainwater and later stage peace and quiet rainwater easily; realize rainwater truly to remove contamination shunting; both protect environment, additionally reduced the process load of oil-containing rainwater, create economic benefit.Oil film thickness detector, once detect that oil spilling occurs, carries out sound and light alarm with control cabin immediately at the scene simultaneously, and cuts off drain hose valve voluntarily immediately, and prevention accident further develops, and safety factor is high, achieves good technique effect.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for the invention.
In Fig. 1,1 is external floating top tank; 2 is central drain; 3 is triple valve; 4 is oil-containing stormwater tank in fire bank; 5 is peace and quiet stormwater tank in fire bank; 6,8 is oil film thickness detector; 7 is oil-containing stormwater tank discharge pipe in fire bank; 9 is the valve in fire bank on peace and quiet stormwater tank discharge pipe; 10 is controller; 11 is computing machine; 12 is peace and quiet stormwater tank discharge pipe in fire bank.
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]
A kind of external floating top tank rain dirt shunting autocontrol method, schematic flow sheet as shown in Figure 1.The central drain of external floating top tank is divided into two-way by triple valve, one tunnel is connected with oil-containing stormwater tank in fire bank, one tunnel is connected with stormwater tank peace and quiet in fire bank, in fire bank, arrange Oil spill detection device respectively in oil-containing stormwater tank and peace and quiet stormwater tank, the oil film thickness of the water surface in Real-Time Monitoring pond; By controlling the switching of triple valve, the water of central drain is given tacit consent to and leads to oil-containing stormwater tank in fire bank, after rainfall 10 ~ 15min, by Long-distance Control or system automatic switching three-way valve, by peace and quiet stormwater tank in peace and quiet for later stage rainwater incision fire bank, the valve acquiescence in fire bank on peace and quiet stormwater tank discharge pipe is opened; When detecting that oil film thickness exceedes setting value, the controller be connected with Oil spill detection device and display alarm while of controlling room monitor, prompting is leaked, and automatically cuts off central drain to control oil spilling.
Described controller is connected with the valve on peace and quiet stormwater tank discharge pipe in triple valve, Oil spill detection device, fire bank respectively by signal wire (SW).Described oil film thickness detector is electromagnetic absorption type, and can monitor oil film thickness scope is 0.3 ~ 25mm.Described controller is the numeric display unit with sound and light of alarm, be placed in scene, tank field, alarm limits can be set, on-the-spot display oil film thickness, report to the police when detector detects that oil film thickness transfinites, and signal can be transferred to control cabin with wireless or wired forms, control cabin monitoring device shows oil film thickness and overload alarm in real time.Valve in described triple valve, fire bank on peace and quiet stormwater tank discharge pipe is electromagnetic valve.In described fire bank, oil-containing stormwater tank discharge pipe is connected with sewage treatment unit.In described fire bank, peace and quiet stormwater tank discharge pipe is connected with peace and quiet stormwater unit.
Certain crude oil storage tank A, when heavy rain occurs, the tank deck early-stage rainwater of front 10min enters oil-containing rainwater pond through triple valve, after 10min, by long-range switch three-way valve, peace and quiet for tank deck rainwater is cut peace and quiet stormwater tank, discharges fire bank to peace and quiet stormwater unit together with the valve of ground rainwater together in fire bank on peace and quiet stormwater tank discharge pipe.
[embodiment 2]
According to the condition described in embodiment 1 and step, certain crude oil storage tank B, central drain generation oil spilling, oil spilling enters oil-containing rainwater pond through drain hose, when the oil film thickness detector arranged wherein detects that oil film thickness exceedes setting value, the controller be attached thereto at the scene with control cabin simultaneously display alarm, prompting is leaked, and the triple valve now on central drain automatically cuts off drain hose and controls oil spilling.
Claims (7)
1. an external floating top tank rain dirt shunting autocontrol method, the central drain of external floating top tank is divided into two-way by triple valve, one tunnel is connected with oil-containing stormwater tank in fire bank, one tunnel is connected with stormwater tank peace and quiet in fire bank, in fire bank, in oil-containing stormwater tank and peace and quiet stormwater tank, Oil spill detection device is set respectively, the oil film thickness of the water surface in Real-Time Monitoring pond; By controlling the switching of triple valve, the water of central drain is given tacit consent to and leads to oil-containing stormwater tank in fire bank, after rainfall 10 ~ 15min, by Long-distance Control or system automatic switching three-way valve, by peace and quiet stormwater tank in peace and quiet for later stage rainwater incision fire bank, the valve acquiescence in fire bank on peace and quiet stormwater tank discharge pipe is opened; When detecting that oil film thickness exceedes setting value, the controller be connected with Oil spill detection device and display alarm while of controlling room monitor, prompting is leaked, and automatically cuts off central drain to control oil spilling.
2. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, it is characterized in that described controller is connected with the valve on peace and quiet stormwater tank discharge pipe in triple valve, Oil spill detection device, fire bank respectively by signal wire (SW).
3. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, and it is characterized in that described oil film thickness detector is electromagnetic absorption type, can monitor oil film thickness scope is 0.3 ~ 25mm.
4. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, it is characterized in that described controller is the numeric display unit with sound and light of alarm, be placed in scene, tank field, alarm limits can be set, on-the-spot display oil film thickness, report to the police when detector detects that oil film thickness transfinites, and signal can be transferred to control cabin with wireless or wired forms, control cabin monitoring device shows oil film thickness and overload alarm in real time.
5. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, it is characterized in that the valve in described triple valve, fire bank on peace and quiet stormwater tank discharge pipe is electromagnetic valve.
6. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, it is characterized in that in described fire bank, oil-containing stormwater tank discharge pipe is connected with sewage treatment unit.
7. autocontrol method is shunted in the dirt of external floating top tank rain according to claim 1, it is characterized in that in described fire bank, peace and quiet stormwater tank discharge pipe is connected with peace and quiet stormwater unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185715.3A CN104787512A (en) | 2015-04-20 | 2015-04-20 | Automatic external floating-roof tank rainwater and sewage dividing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185715.3A CN104787512A (en) | 2015-04-20 | 2015-04-20 | Automatic external floating-roof tank rainwater and sewage dividing control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104787512A true CN104787512A (en) | 2015-07-22 |
Family
ID=53552782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185715.3A Pending CN104787512A (en) | 2015-04-20 | 2015-04-20 | Automatic external floating-roof tank rainwater and sewage dividing control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104787512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290490A (en) * | 2016-07-29 | 2017-01-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of oil divides measures its deck drainage automatic tee valve of Sensors & Application |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102322U (en) * | 1991-07-18 | 1992-04-22 | 张明宗 | Automatic switching device for clear and dirty water flow |
| RU2206687C1 (en) * | 2001-10-15 | 2003-06-20 | АОЗТ Центральный научно-исследовательский и проектный институт строительных металлоконструкций им. Н.П. Мельникова | Vertical cylindrical reservoir |
| JP2005239243A (en) * | 2004-02-27 | 2005-09-08 | Ishii Iron Works Co Ltd | Liquid drainage structure on top part of floating roof pontoon |
| CN202492064U (en) * | 2011-12-23 | 2012-10-17 | 中国中化股份有限公司 | Floating-roof oil tank central dewatering oil-contact-type alarm device |
| CN203230028U (en) * | 2013-04-24 | 2013-10-09 | 陈向阳 | Automatic clear and waste water distribution switching device |
| CN104097867A (en) * | 2014-07-17 | 2014-10-15 | 中国石油化工股份有限公司 | Central automatic siphon type drainage device of floating disc of external floating-roof storage tank |
-
2015
- 2015-04-20 CN CN201510185715.3A patent/CN104787512A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2102322U (en) * | 1991-07-18 | 1992-04-22 | 张明宗 | Automatic switching device for clear and dirty water flow |
| RU2206687C1 (en) * | 2001-10-15 | 2003-06-20 | АОЗТ Центральный научно-исследовательский и проектный институт строительных металлоконструкций им. Н.П. Мельникова | Vertical cylindrical reservoir |
| JP2005239243A (en) * | 2004-02-27 | 2005-09-08 | Ishii Iron Works Co Ltd | Liquid drainage structure on top part of floating roof pontoon |
| CN202492064U (en) * | 2011-12-23 | 2012-10-17 | 中国中化股份有限公司 | Floating-roof oil tank central dewatering oil-contact-type alarm device |
| CN203230028U (en) * | 2013-04-24 | 2013-10-09 | 陈向阳 | Automatic clear and waste water distribution switching device |
| CN104097867A (en) * | 2014-07-17 | 2014-10-15 | 中国石油化工股份有限公司 | Central automatic siphon type drainage device of floating disc of external floating-roof storage tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290490A (en) * | 2016-07-29 | 2017-01-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of oil divides measures its deck drainage automatic tee valve of Sensors & Application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105888046B (en) | Reverse-filling dams well control method | |
| CN105888041B (en) | A kind of Vatch basin water discharge control method | |
| CN103628560B (en) | A kind of dam control device and control method with memory function | |
| CN106836285B (en) | Building informatization-based underground pipe gallery monitoring waterproof structure | |
| CN104863049A (en) | Intelligent detecting and controlling system for chemical dangerous articles in highway bridge runoff | |
| CN203259870U (en) | Intelligent control system for prevention and treatment of city rainfall flood | |
| CN204664884U (en) | A kind of warning device of simple and easy drain line blockage | |
| US10619331B2 (en) | Conveyance drain emitter | |
| CN104612235A (en) | Intelligent rainwater and sewage dividing system | |
| JP2009108534A (en) | Rainwater storage facility and monitoring-management system for rainwater storage facility | |
| CN107941561A (en) | A kind of water quality monitoring apparatus for different water levels | |
| JP2009108537A (en) | Rainwater storage facility | |
| CN105735423A (en) | Fire water supply and drainage system | |
| KR101184693B1 (en) | System for preventing oil leakage of oil storage tank | |
| CN203238759U (en) | Urban water drainage system and water drainage switching device | |
| CN204715204U (en) | Highway bridge runoff Hazardous Chemical Substances intelligent detection and control system | |
| CN104787512A (en) | Automatic external floating-roof tank rainwater and sewage dividing control method | |
| CN208533301U (en) | Road guard-rail and rain recycling system | |
| CN204979828U (en) | Dirty reposition of redundant personnel automatic control device of outer floating roof tank rain | |
| JP2014218813A (en) | Drainage system block detection system | |
| KR101313936B1 (en) | First flush water diverter and rainwater storage tank having thereof | |
| US20050072469A1 (en) | Wastewater source control system | |
| CN210834745U (en) | Bridge floor induction detection early warning device for liquid dangerous chemical leakage | |
| CN207436193U (en) | A kind of pipeline is regulated and stored system | |
| CN109163224A (en) | A kind of municipal drainage pipeline leakage monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |
|
| RJ01 | Rejection of invention patent application after publication |