CN1050103C - Numeral-control sea water salting device for marine ship - Google Patents
Numeral-control sea water salting device for marine ship Download PDFInfo
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- CN1050103C CN1050103C CN93102051A CN93102051A CN1050103C CN 1050103 C CN1050103 C CN 1050103C CN 93102051 A CN93102051 A CN 93102051A CN 93102051 A CN93102051 A CN 93102051A CN 1050103 C CN1050103 C CN 1050103C
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Abstract
The present invention relates to a numeric control sea water desalter for a sea ship, which is composed of a reverse osmosis filtering device, two numeric control pressurizing and water injecting shield pumps, a numeric control power supply, etc. A rare-earth permanent-magnet full-speed synchronous motor drives the water injecting shield pumps to input high pressure seawater to the reverse osmosis device, the ionic sieve filter of the filtering device simultaneously drains fresh water and high pressure water to drive the other shield pump used as a hydraulic turbine to operate so that the rare-earth motor is used as a generator to rotate, generate the power and recover the energy so as to greatly reduce the energy consumption. The entire device has compact and simple structure, reliable operation and long service life. The process is controlled by a computer.
Description
The present invention relates to a kind of equipment that can become to meet the fresh water of industry or life application standard, belong to electromechanical integration process control equipment technical field to the brine disposal of high salinity.
Utilize pellicle in container seawater and pure water to be separated, with pump the pressure of seawater side is raise again, the part pure water that can make seawater one side sees through film and obtains the method for pure water, is called reverse osmosis or reverse osmosis method.This method has been produced in electronics, pharmaceuticals industry and has been obtained on its essential ultra-pure water to use, now, utilize reverse osmosis filter device to handle required standard with interior equipment in the salt content of the following seawater of operating conditions of strict regulations, be considered to more satisfactory water treatment plant in the present age, because it does not need directly or indirectly to use the pharmaceutical chemicals of any water treatment just can realize the water treatment purpose, can not cause any environmental pollution again.Therefore, the application of this device is promoted gradually, is widely used as the processing equipment of sea water desalination or other industry and domestic water.But the difference on effect of the actual use of the equipment of this advanced technology is very big, and what have uses relatively more successfully, the then poor effect that has; Have just bring into use the time effect fine, but effect is had a greatly reduced quality after having spent a period of time.And for example the theoretical life-span of dialysis filter can be up to more than 10 years, and during actual the use, what have is excellent for many years, and what have just scraps very soon.This device abroad mostly uses in large-scale water treatment plant, there control convenience advanced person, operator quality height, and rules and regulations are strict to be carried out, and result of use is fairly good.But do not see the appearance and the use report of the packaged plant of success so far as yet.In addition, because in treating process, device will be discharged the high pressure water that accounts for 2～4 times of pure water amounts greatly, energy consumption is quite big; The electricity charge expense of the water treatment plant of one cover advanced technology will account for 80% of productive costs, and this has also limited widening of this device application scenario.
The purpose of this invention is to provide a kind of numerical control sea water desalting plant that adopts contemporary Numeric Control Technology and address the aforementioned drawbacks, because its device height compactness, system simplification becomes packaged plant, goes for the seagoing vessel navigation and uses.
The present invention is the approved product that adopts Dupont (DUPONT) company to succeed in developing: reverse osmosis ion sieve water treatment filter device is aided with applicant's patented technology again: the numerical control pressurized canned-motor pump (patent No.: control CN91217569.0), totally the electric power/power device (number of patent application: CN93100001.4) and DCPS digitally controlled power source made up and the electromechanical integration industrial process numerical control device that constitutes.
The present invention has compiled the newest fruits of contemporary high technology, and and the novel sea water desalinization processing equipment that constitutes together of applicant's multinomial numerical control unit equipment.Because of the intelligent control software that adopts computing machine replaces the manual control management, the technological parameter of whole treating processs and control policy are all weaved into software by the software engineer and are deposited in the computing machine, make whole device can include tight technological process control in down, condition according to optimum operating condition is operated, and does not need manually on duty.Like this, both can guarantee that reverse osmosis ion sieve water treatment filter can be in smooth working under the top condition all the time, guarantee to reach the specified service life of properties of product set quota and filter, avoid artificial misoperation (because of requiring very high to the operating personal technical quality, this error is to be difficult to avoid, be difficult to again to discover and found by the people) and damage machine, reduction of service life.Also can make device can be in energy consumption and be close to long-term work under the EQUILIBRIUM CONDITION, and reduce its power consumption greatly whole device, being fully used from the energy of electrical network input.Moreover configuration height of the present invention is compact and simplify, and major equipment is compatible each other, and the reliability height is used for boat-carrying important pacing factor is provided for making small-sized water treatment plant.
Below in conjunction with accompanying drawing, specifically introduce the present invention.
Fig. 1 is that structure of the present invention is formed scheme drawing.Among the figure: the 1st, reverse osmosis ion sieve filter device.Can adopt the approved product of DuPont, have the cell cube of two types of 15 kinds of specifications, can select the cell cube of dissimilar corresponding specifications according to the specific requirement of use occasion, again according to the requirement of water treatment, select its quantity: both can be less to the one unit body, but also tens of as many as constitute large-scale water treatment plant.Carry equipment for ship (warship), adapted one unit body just can be enough usually.The 2nd, (patent No.: CN91217569.9) outlet of the high pressure water of this pump is connected with the water inlet of reverse osmosis filter device the numerically-controlled flooding booster pump that the applicant succeeds in developing.Its water inlet is then imbedded in the seawater, this is a kind of protected type permanent magnetism full speed centrifugal pump synchronous machine drives, that its machine shaft is coaxial with pump shaft that adopts rare-earth rotor, can adopt numerical control frequency-changing power source (for example PWM type inverter) that the operating mode of drive motor is controlled in real time, and then the operating condition of stochastic control pump.In this device, can accept the instruction of computing machine 5 at any time and adjust its output hydraulic pressure and flow in real time, satisfy the water requirements of device, and accomplish energy efficient.The 3rd, the equipment identical with water filling canned motor pump 2, just its water outlet is connected with the high pressure water discharge orifice of reverse osmosis filtering installation.The water inlet of its water pump then is taken as discharge port.Because water pump 3 is taken as water turbine, the high pressure water of being discharged by filtering installation drives the water pump vane rotation and makes with the coaxial rare-earth electric motor rotor of pump shaft and also produce electric energy thereupon rotating, the effect of this water filling canned motor pump like this----is converted into electric energy to the high pressure water energy of filtering installation and the purpose of reusing----in this equipment just can realize.The 4th, DCPS digitally controlled power source, it is made of variable ratio frequency changer inverter 4A electronic power switch group 4B and computing machine 5.At water inlet, high pressure water discharge orifice and the fresh water discharge orifice of reverse osmosis unit and the sea suction place of canned motor pump 2 pressure sensor 6,7,8 and 9 is housed respectively, the conductivity sensor 10 of measuring water quality also is housed at the fresh water discharge orifice place of filter device, these sensor hydraulic pressure and water quality separately, and, sensitive data is delivered to central control computer 5 by its adaptive modular converter.The control adapter module of the variable ratio frequency changer supply convertor of these adaptation module and control canned motor pump drive motor all is inserted among the standard industrial control 5A, standard industrial control 5A then by the standard serial communication interface with can link to each other with the central computer 5 that other equipment have.
The present invention has selected for use the pressurized water injection canned motor pump of the numerical control rare earth full speed synchronous machine drives of applicant's development to inject the high-pressure hydraulic energy recovery device of source and the discharge of this device as the high pressure water of reverse osmosis filter device.Because the characteristic of rare-earth rotor synchronous dynamo, it can be in and drive water pump vane rotation, for example drive manner of water pump 2 among the present invention under the electric motor state; Also can turn round as electrical generator after as water turbine at water pump by the high pressure water high-speed driving, for example among the present invention as the water pump 3 of high pressure turbine mode work.These two devices can exchange use, in case during water injection pump 2 et out of orders, can replace water pump 3, replace and on the position of water pump 2, work as expeditious measures, just device can not reclaim the high pressure water energy and be in the full load operation this moment, and it is big that energy consumption is wanted.
Control key of the present invention is all process control parameters and the control policy compiled program central computer of packing into by the peopleware, whole device just can be included the process control of computing machine in, realize the control of optimization operating mode in strict accordance with technological condition, do not need manually on duty basically.Reverse osmosis filter device was carried out under the optimization operating mode, guaranteed to reach the specified service life of performance provision index and filter.Can make full use of electric energy to greatest extent again, the energy consumption of device is descended significantly, also can operate operations staff's competency profiling with reducing, avoid making the sustain damage of filter device because of staff's misoperation.
The present invention compiles contemporary high-new scientific and technical result (comprising that the U.S. is at the reverse osmosis filter device of E.I.Du Pont Company and applicant's multinomial numerical control unit equipment) and constitutes, not only be suitable for key equipment, more can be suitable for various unwatched small-sized water treatment plant as big-and-middle-sized water treatment plant.According to measuring and calculating, the sea water desalting plant that 25 tons of naval vessels of design one cover daily output fresh water use is reduced to the soft fresh water of using that salt content is 400PPM to salt content for the 38000PPM seawater, and needing occupation space is 400 * 400 * 1500mm
3(reverse osmosis unit unit), Φ 150 * 2000 * 2mm
3(pump and energy recycle device) and 400 * 400 * 1500mm
3The summation of (electronic control package).The cost of such covering device, peculiar to vessel in 200,000 yuan of Renminbi.Carry out water treatment, the consumption of current that obtains 1 ton of fresh water is about 4 kilowatt-hours.Though one-time investment is higher, operating cost is relatively low.And, the naval vessel adopt handle on the spot obtain the fresh water technology after, just no longer need regularly to load fresh water to the harbour, the fresh water tank on the ship, also can so and cancel, do not need yet the personal management it.The shared space of apparatus of the present invention is very limited again, and the fresh water tank volume of saving can increase to Cubic Capacity Of Bunkers, and like this, the flying power on naval vessel just can be enhanced.In addition, the present invention can be suitable for various marine operation objects with good conditionsi, and seawater is desalinated processing on the spot, except that the naval vessel of navigation, and offshore oil platform, army etc. is garrisoned on the island all can benefit from the present invention.
The present invention is owing to adopt numerical control electric power/power device to drive pump motor, and the energy that the high pressure water of reverse osmosis unit contains reclaimed is converted in the driving that electric energy is applied to entire equipment again, and energy consumption is reduced greatly.Compare with west advanced person's Treatment of Industrial Water device, power consumption can reduce by 45% (device that the energy recovery facility is arranged) or 25% (device of energy recovery facility is not housed).Has good application prospects.
Claims (2)
1, a kind of numerical control seawater that is used for seagoing vessel is talked makeup and is put, include seawater reverse osmosis and analyse filtering installation, numerical control pressurized canned-motor pump and DCPS digitally controlled power source, it is characterized in that: the high-pressure outlet that is connected to a numerical control pressurized canned-motor pump at the water inlet of reverse osmosis filtering installation, the water sucking mouth of this pump places seawater, then be connected as the water outlet of water turbine at the high pressure water discharge orifice of reverse osmosis filtering installation with the numerical control pressurized canned-motor pump that drives its electric power generation with another, the water inlet of this pump is used as discharge port, water inlet at reverse osmosis unit, the high pressure water discharge orifice, slander outlet and the seawater of canned motor pump of fresh water inhaled the population place pressure sensor bag arranged respectively, the conductivity sensor of measuring water quality also is equipped with at fresh water discharge orifice place, the control adapter module of the variable ratio frequency changer supply convertor of the adaptive modular converter of these sensors and control canned motor pump drive motor all is inserted in the standard industrial control, standard industrial control by the standard serial communication interface with can link to each other with the central control computer that other equipment have.
2, numerical control sea water desalting plant according to claim 1 is characterized in that: the numerical control pressurized canned-motor pump is with numerical control rare earth permanent magnet full speed synchronous machine drives, the centrifugal pump that its machine shaft is coaxial with pump shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93102051A CN1050103C (en) | 1993-03-05 | 1993-03-05 | Numeral-control sea water salting device for marine ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93102051A CN1050103C (en) | 1993-03-05 | 1993-03-05 | Numeral-control sea water salting device for marine ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1093667A CN1093667A (en) | 1994-10-19 |
| CN1050103C true CN1050103C (en) | 2000-03-08 |
Family
ID=4983932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93102051A Expired - Fee Related CN1050103C (en) | 1993-03-05 | 1993-03-05 | Numeral-control sea water salting device for marine ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1050103C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000041971A1 (en) * | 1999-01-18 | 2000-07-20 | Zhilong Gu | Deep sea water desalination method and system |
| CN1714048B (en) * | 2002-10-08 | 2010-05-26 | 水质标准股份有限公司 | Mobile desalination plants and systems, and methods for producing desalinated water |
| JP5344697B2 (en) * | 2009-09-29 | 2013-11-20 | 株式会社日立製作所 | Pump with energy recovery device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987003275A1 (en) * | 1985-11-21 | 1987-06-04 | Nautical Services Pty. Ltd. | Electronic control and dosing system for desalinators |
| WO1993002964A1 (en) * | 1991-08-09 | 1993-02-18 | Alfa-Laval Desalt A/S | Desalination plant, especially for use in marine and off-shore installations |
-
1993
- 1993-03-05 CN CN93102051A patent/CN1050103C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987003275A1 (en) * | 1985-11-21 | 1987-06-04 | Nautical Services Pty. Ltd. | Electronic control and dosing system for desalinators |
| WO1993002964A1 (en) * | 1991-08-09 | 1993-02-18 | Alfa-Laval Desalt A/S | Desalination plant, especially for use in marine and off-shore installations |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1093667A (en) | 1994-10-19 |
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