CN109095516B - Automatic sea water desalination who seals up for safekeeping - Google Patents
Automatic sea water desalination who seals up for safekeeping Download PDFInfo
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- CN109095516B CN109095516B CN201811000071.6A CN201811000071A CN109095516B CN 109095516 B CN109095516 B CN 109095516B CN 201811000071 A CN201811000071 A CN 201811000071A CN 109095516 B CN109095516 B CN 109095516B
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- fresh water
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- 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
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides an automatic sealed seawater desalination system, which comprises a PLC controller, a desalination machine sealing pipeline, a fresh water tank sealing pipeline and a terminal water using pipeline which are sequentially connected, wherein the desalination machine sealing pipeline comprises a desalination machine, the inlet of the desalination machine is connected with a seawater pipeline and a first medicine adding pipeline, the outlet of the desalination machine is connected with a first sea discharging pipeline, the fresh water tank sealing pipeline comprises a fresh water tank and a public fresh water pump, a produced water automatic conveying valve is arranged between the inlet of the fresh water tank and the outlet of the desalination machine for connection, an automatic backflow valve is arranged between the inlet of the fresh water tank and the outlet of the fresh water pump for connection, a first medicine concentration detection probe and a second medicine adding pipeline are connected between the outlet of the fresh water tank and the inlet of the fresh water pump, the terminal water using pipeline comprises a second sea discharging pipeline and a plurality of water using ports which are connected in parallel, the second water discharging pipeline comprises an automatic sea discharging valve at the tail section, a second medicine concentration detection probe and a second sea discharging, has the advantages of simple structure, automatic control, remote monitoring, bacteriostasis, disinfection and high sealing efficiency.
Description
Technical Field
The invention belongs to the technical field of offshore platforms, and particularly relates to an automatic sealing seawater desalination system.
Background
With the development of the platform unmanned trend, some of the manned drilling platforms develop into unmanned drilling platforms, and the use habits of some equipment units and systems are changed. The original fresh water system is faced with a series of problems such as rancidity, excessive microorganism propagation and the like, the fresh water system is paralyzed, the safety problem of personnel water source cannot be guaranteed, the use cost of equipment is greatly improved, and the like. The water quality regulation technology is an important link of water making, is mainly used for treating fresh water made by reverse osmosis seawater desalination, and is used for improving an original platform fresh water system so as to ensure the safety and reliability of the fresh water system of an unmanned platform.
The patent discloses a water quality adjusting device of fresh water for an offshore nuclear power platform (publication number CN207294213U), which comprises a fresh water main pipe, a PH meter, a conductivity meter and a residual chlorine sensor, and is characterized by also comprising a sodium carbonate dosing tank, a calcium chloride dosing tank, a calcium hypochlorite dosing tank, first to third metering pumps and a controller, wherein the sodium carbonate dosing tank is provided with a first fresh water valve, a cleaning valve and a stirrer, the calcium chloride dosing tank is provided with a second fresh water valve, a cleaning valve and a stirrer, the calcium hypochlorite dosing tank is provided with a third fresh water valve, a cleaning valve and a stirrer, the fresh water main pipe is respectively connected with the sodium carbonate dosing tank, the calcium chloride dosing tank and the calcium hypochlorite dosing tank through the first to third fresh water valves, the sodium carbonate dosing tank, the calcium chloride dosing tank and the calcium hypochlorite dosing tank are respectively connected with the fresh water main pipe through the first to third metering pumps, the signal input end and the signal output end of the controller are respectively connected with the signal output end of each sensor and the control signal input end of each metering pump. The utility model has simple structure and convenient use. But the utility model discloses a just play certain effect to fresh water purification, can't realize the multilayer sterilization control etc. of unmanned control and quality of water.
Therefore, a seawater desalination system with simple structure, automatic control, remote monitoring, bacteriostasis, disinfection and high-efficiency sealing is needed.
Disclosure of Invention
The invention aims to provide an automatic sealing seawater desalination system, which aims to solve the problems that part of offshore platforms are unsupervised, water quality and water source cannot be guaranteed safely, the existing water quality treatment technology is lack of unmanned control and multilayer sterilization control of water quality, and the like.
The invention provides the following technical scheme:
the utility model provides an automatic sea water desalination who seals up deposits, includes PLC controller and the fresh water machine that connects gradually seals up deposits pipeline, fresh water tank seal up deposits pipeline and terminal water pipeline, PLC controller respectively with make fresh water machine seal up deposit the pipeline fresh water tank seal up deposit the pipeline with terminal water pipeline electric connection, make fresh water machine seal up deposit the pipeline including making fresh water machine, make fresh water machine including making fresh water machine import and making fresh water machine export, it is connected with sea water pipeline and first medicine pipeline to make fresh water machine import, sea water pipeline includes sea water import and automatic water intaking valve, it is connected with first row of sea pipe to make fresh water machine export, first row of sea pipe is including sealing up automatic row of sea valve and first row of sea mouth, fresh water tank seals up deposits the pipeline including fresh water tank and public fresh water pump, fresh water tank includes fresh water tank import and fresh water tank export, public water pump includes fresh water pump export and fresh water pump entry, fresh water tank import with it connects to make to be equipped with the automatic delivery valve of producing water between the fresh water machine export, fresh water tank import with it connects to be equipped with automatic backward flow valve between the fresh water pump export, fresh water tank export with fresh water pump access connection, fresh water tank export with be connected with first medicament concentration test probe and second between the fresh water pump import and add the medicine pipeline, the sea mouth is arranged to the second that the pipeline includes parallel connection and a plurality of water ports with the terminal water, the sea mouth is arranged to the automatic sea valve of arranging of last section, second medicament concentration test probe and second that the second drainage pipeline connects gradually.
Preferably, the first medicine feeding pipeline comprises a first medicine feeding box, a first medicine feeding pump and a first check valve which are connected in sequence.
Preferably, a first electromagnetic valve is arranged between the first dosing tank and the first dosing pump, and a second electromagnetic valve is arranged between the first check valve and the desalination machine.
Preferably, the second medicine feeding pipeline comprises a second medicine feeding box, a second medicine feeding pump and a second check valve which are connected in sequence.
Preferably, a third electromagnetic valve is arranged between the second dosing tank and the second dosing pump, and a fourth electromagnetic valve is arranged between the second check valve and the fresh water pump inlet.
Preferably, the first dosing box and the second dosing box are both internally provided with food-grade sealed medicaments.
Preferably, the PLC controller is internally provided with a wireless transceiver module, and the wireless transceiver module is externally connected with a mobile terminal.
Preferably, the mobile terminal comprises a mobile phone, a tablet and a computer.
The invention has the beneficial effects that:
the automatic sealing seawater desalination system has reasonable integral structure and is convenient to realize and popularize; the PLC is adopted, so that the automation degree is high, manual participation is not needed, and manpower and material resources are reduced; the wireless transceiver module is arranged, so that the remote supervision of an operator on land can be facilitated; the starting process is simple and rapid, the sealing and storing process is convenient and rapid, and the management mode of the modern unmanned platform is completely met; the sealing and storing sequence is that the water consumption point of the terminal and the system pipeline are sealed and stored firstly, then the water tank is diluted, and finally the fresh water machine is regenerated; the deblocking is to deblock the light making machine first, the whole sealing and deblocking process is short in time consumption and high in efficiency; the medicament is food-grade sealed medicament, and microbial pollution is controlled during the sealing and storing period of the equipment; the economic loss caused by microbial pollution is prevented, and the safety of the equipment is ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the connection of the present invention.
Labeled as: 1. a desalination machine sealed pipeline, 11, a desalination machine, 12, a seawater pipeline, 121, an automatic water inlet valve, 122, a seawater inlet, 13, a first sea discharge pipeline, 131, a sealed automatic sea discharge valve, 132, a first sea discharge port, 14, a first dosing pipeline, 141, a first dosing tank, 142, a first battery valve, 143, a first dosing pump, 144, a first check valve, 145, a second solenoid valve, 15, a produced water automatic delivery valve, 2, a fresh water tank sealed pipeline, 21, a fresh water tank, 22, a common fresh water pump, 23, a first medicament concentration detection probe, 24, a second dosing pipeline, 241, a second dosing tank, 242, a third battery valve, 243, a second dosing pump, 244, a second check valve, 245, a fourth solenoid valve, 25, an automatic return valve, 3, a terminal water pipeline, 31, a second sea discharge pipeline, 311, a last section automatic sea discharge valve, 312, a second medicament concentration detection probe, 313. and a second sea outlet, 32, a water outlet.
Detailed Description
As shown in fig. 1, an automatic sealing seawater desalination system comprises a PLC controller, and a desalination machine sealing pipeline 1, a fresh water tank sealing pipeline 2 and a terminal water pipeline 3 which are connected in sequence, wherein the PLC controller is electrically connected with the desalination machine sealing pipeline 1, the fresh water tank sealing pipeline 2 and the terminal water pipeline 3 respectively, the desalination machine sealing pipeline 1 comprises a desalination machine 11, the desalination machine 11 comprises a desalination machine inlet and a desalination machine outlet, the desalination machine inlet is connected with a seawater pipeline 12 and a first drug feeding pipeline 14, the seawater pipeline 12 comprises a seawater inlet 122 and an automatic water inlet valve 121, the desalination machine outlet is connected with a first sea discharging pipeline 13, the first sea discharging pipeline 13 comprises a sealing automatic sea discharging valve 131 and a first sea discharging port 132, the fresh water tank sealing pipeline 2 comprises a fresh water tank 21 and a public water pump 22, the water tank 21 comprises a pump outlet and a fresh water tank outlet, the public fresh water pump 22 comprises fresh water and a fresh water pump inlet, be equipped with between fresh water tank import and the machine of making fresh water export and produce water automatic transfer valve 15 and be connected, be equipped with automatic return valve 25 between fresh water tank import and the fresh water pump export and be connected, fresh water tank export and fresh water pump access connection, be connected with first medicament concentration test probe 23 and second between fresh water tank export and the fresh water pump import and add medicine pipeline 24, terminal water pipeline 3 includes parallel connection's second row's sea pipeline 31 and a plurality of water mouth 32, second water pipeline 31 is including the automatic sea valve 311 of arranging of end section that connects gradually, second medicament concentration test probe 312 and second row's sea mouth 313.
As shown in fig. 1, the first medicine adding pipeline 14 includes a first medicine adding box 141, first medicine adding pumps 143 and 144, first check valves 142 are disposed between the first medicine adding box 141 and the first medicine adding pump 143, a second solenoid valve 145 is disposed between the first check valve 144 and the desalination machine 11, the second medicine adding pipeline 24 includes a second medicine adding box 241, a second medicine adding pump 243 and a second check valve 244, a third solenoid valve 242 is disposed between the second medicine adding box 241 and the second medicine adding pump 243, a fourth solenoid valve 245 is disposed between the second check valve 244 and an inlet of the desalination machine, food-grade sealed and stored medicines are disposed in both the first medicine adding box 14 and the second medicine adding box 24, a wireless transceiver module is disposed in the PLC controller, the wireless transceiver module is used for externally connecting to a mobile terminal, and the mobile terminal includes a mobile phone, a tablet and a computer.
The working process of the specific embodiment is as follows:
under the drive of a PLC (programmable logic controller), firstly, starting the desalination machine 11 to operate, opening the tail end automatic sea discharge valve 311, detecting a water sample by using the second medicament concentration detection probe 312, closing the tail end automatic sea discharge valve 311 when a design requirement value is met, sealing and storing the terminal water pipeline 3 and the second sea discharge pipeline 31, and sealing and storing the fresh water tank 21; if the water sample does not meet the design requirement value, the second medicine adding pipeline 24 and the second reagent concentration detection probe 312 detect whether the water sample meets the design requirement value again, and then the fresh water tank 21 is sealed and stored in the same way.
When the fresh water tank 21 is sealed, the desalination machine 11 is operated, the automatic return valve 25 is opened, the public fresh water pump 22 continues to operate, the first reagent concentration detection probe 23 detects a water sample, when the water sample meets the design requirement value, the automatic return valve 25 is closed, the public fresh water pump 22 is stopped, the fresh water tank 21 is sealed, and the desalination machine 11 is sealed; when the water sample detected by the first reagent concentration detection probe 23 does not meet the design requirement value, the first medicine adding pipeline 14 is started, the water in the fresh water tank 21 is in a circulating flow state, until the water sample detected by the first reagent concentration detection probe 23 meets the design requirement, the automatic return valve 25 is closed, the public fresh water pump 22 is stopped, the fresh water tank 21 is sealed, and the fresh water machine 11 is sealed.
Starting the sealing of the desalination machine 11, opening the automatic sea discharging valve 131 for sealing, closing the automatic water production delivery valve 15, starting the first medicine adding pipeline 14, adding according to the medicine adding time and the medicine adding concentration set by the program, stopping after the adding time set by the program is reached, stopping the desalination machine 11, closing the automatic water inlet valve 121, closing the automatic sea discharging valve 131 for sealing, and completing the sealing of the whole fresh water treatment system.
The method comprises the following steps of starting system deblocking, opening a sealed automatic sea discharging valve, opening an automatic water inlet valve, starting a desalination machine, replacing the full water in the desalination machine system according to the time set by a program, completing replacement when the time set by the program is reached, opening an automatic produced water conveying valve, closing the sealed automatic sea discharging valve, enabling the produced water to enter a fresh water tank, completing system deblocking, and entering a normal operation state.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The automatic sealing seawater desalination system is characterized by comprising a PLC (programmable logic controller) and a fresh water machine sealing pipeline, a fresh water tank sealing pipeline and a terminal water pipeline which are sequentially connected, wherein the PLC is respectively electrically connected with the fresh water machine sealing pipeline, the fresh water tank sealing pipeline and the terminal water pipeline, the fresh water machine sealing pipeline comprises a fresh water machine, the fresh water machine comprises a fresh water machine inlet and a fresh water machine outlet, the fresh water machine inlet is connected with a seawater pipeline and a first medicine adding pipeline, the seawater pipeline comprises a seawater inlet and an automatic water inlet valve, the fresh water machine outlet is connected with a first sea drainage pipeline, the first sea drainage pipeline comprises a sealing automatic sea drainage valve and a first sea drainage port, the fresh water tank sealing pipeline comprises a fresh water tank and a fresh water pump, the fresh water tank comprises a fresh water tank inlet and a fresh water tank outlet, the public water pump comprises a fresh water pump outlet and a fresh water pump inlet, the fresh water tank inlet is connected with the fresh water generator outlet through an automatic water production conveying valve, the fresh water tank inlet is connected with the fresh water pump outlet through an automatic backflow valve, the fresh water tank outlet is connected with the fresh water pump inlet, a first medicament concentration detection probe and a second medicament feeding pipeline are connected between the fresh water tank outlet and the fresh water pump inlet, the terminal water pipeline comprises a second sea drainage pipeline and a plurality of water ports which are connected in parallel, and the second water drainage pipeline comprises an automatic last sea drainage valve, a second medicament concentration detection probe and a second sea drainage port which are sequentially connected; the first dosing pipeline comprises a first dosing tank, a first dosing pump and a first check valve which are connected in sequence, a first electromagnetic valve is arranged between the first dosing tank and the first dosing pump, and a second electromagnetic valve is arranged between the first check valve and the desalination machine; the second dosing pipeline comprises a second dosing tank, a second dosing pump and a second check valve which are connected in sequence, a third electromagnetic valve is arranged between the second dosing tank and the second dosing pump, and a fourth electromagnetic valve is arranged between the second check valve and the inlet of the fresh water pump; and food-grade sealing agents are arranged in the first dosing box and the second dosing box.
2. The seawater desalination system of claim 1, wherein the PLC controller is internally provided with a wireless transceiver module, and the wireless transceiver module is externally connected with a mobile terminal.
3. The seawater desalination system of claim 2, wherein the mobile terminal comprises a mobile phone, a tablet and a computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000071.6A CN109095516B (en) | 2018-08-30 | 2018-08-30 | Automatic sea water desalination who seals up for safekeeping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000071.6A CN109095516B (en) | 2018-08-30 | 2018-08-30 | Automatic sea water desalination who seals up for safekeeping |
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| Publication Number | Publication Date |
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| CN109095516A CN109095516A (en) | 2018-12-28 |
| CN109095516B true CN109095516B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811000071.6A Active CN109095516B (en) | 2018-08-30 | 2018-08-30 | Automatic sea water desalination who seals up for safekeeping |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114314895A (en) * | 2021-12-02 | 2022-04-12 | 中国船舶重工集团公司第七0四研究所 | Ship fresh water guarantee system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836425A1 (en) * | 1977-11-16 | 1979-05-17 | Lummus Co | METHOD OF PURIFYING AN AQUATIC SALT SOLUTION |
| CN102249459A (en) * | 2011-06-15 | 2011-11-23 | 北京科泰兴达高新技术有限公司 | System for desalinating sea water |
| CN102658029A (en) * | 2012-05-25 | 2012-09-12 | 中国水利水电科学研究院 | Small seawater desalting equipment with energy recovery device applicable to new-energy independent power grid |
| CN103601261A (en) * | 2013-10-23 | 2014-02-26 | 江苏科技大学 | Sunlight guide seawater desalination apparatus |
| CN204151181U (en) * | 2014-10-16 | 2015-02-11 | 苏州欧拉工程技术有限公司 | The integrated sea water desalinating plant of a kind of MVR |
| CN106629903A (en) * | 2016-12-07 | 2017-05-10 | 大连理工大学 | Sea water desalination system using flue gas hydrate method based on LNG (Liquefied Natural Gas) cold energy |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5970664B2 (en) * | 2011-10-14 | 2016-08-17 | 株式会社エム光・エネルギー開発研究所 | Use of seawater cooling water in nuclear power plants and thermal power plants |
-
2018
- 2018-08-30 CN CN201811000071.6A patent/CN109095516B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2836425A1 (en) * | 1977-11-16 | 1979-05-17 | Lummus Co | METHOD OF PURIFYING AN AQUATIC SALT SOLUTION |
| CN102249459A (en) * | 2011-06-15 | 2011-11-23 | 北京科泰兴达高新技术有限公司 | System for desalinating sea water |
| CN102658029A (en) * | 2012-05-25 | 2012-09-12 | 中国水利水电科学研究院 | Small seawater desalting equipment with energy recovery device applicable to new-energy independent power grid |
| CN103601261A (en) * | 2013-10-23 | 2014-02-26 | 江苏科技大学 | Sunlight guide seawater desalination apparatus |
| CN204151181U (en) * | 2014-10-16 | 2015-02-11 | 苏州欧拉工程技术有限公司 | The integrated sea water desalinating plant of a kind of MVR |
| CN106629903A (en) * | 2016-12-07 | 2017-05-10 | 大连理工大学 | Sea water desalination system using flue gas hydrate method based on LNG (Liquefied Natural Gas) cold energy |
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| CN109095516A (en) | 2018-12-28 |
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