CN204752280U - Seawater desalination equipment - Google Patents
Seawater desalination equipment Download PDFInfo
- Publication number
- CN204752280U CN204752280U CN201520372539.XU CN201520372539U CN204752280U CN 204752280 U CN204752280 U CN 204752280U CN 201520372539 U CN201520372539 U CN 201520372539U CN 204752280 U CN204752280 U CN 204752280U
- Authority
- CN
- China
- Prior art keywords
- valve
- sea water
- water
- desalting equipment
- sea
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a seawater desalination equipment, include seawater desalination processing unit, seawater desalination membrane processing unit and controller in advance, seawater desalination processing unit in advance includes sea water admission valve, sea water pump and filter, seawater desalination membrane processing unit including manage to say the first control valve, high -pressure pump, reverse osmosis filter membrane group, pressure regulating valve, the second control valve that communicate in proper order, wash water tank and liquid level valve, it stops protection device to include still that seawater desalination equipment opens, opens to stop protection device and set up between high -pressure pump and reverse osmosis filter module. Open stop protection device can with pass through the pressor high pressure of high -pressure pump, the reposition of redundant personnel of large -traffic sea water is stepped down, is fallen stream, has prevented that high -pressure sea water from forming water hammer direct impact reverse osmosis filter module, causes the damage to the reverse osmosis filter module, this protection device switch rapidly, open and close the flexibility, longe -lived, safe and reliable, low cost.
Description
Technical field
The utility model belongs to field of seawater desalination, relates to a kind of sea water desalting equipment, relates in particular to a kind of sea water desalting equipment starting protection device.
Background technology
Seawater can not be used directly because saltiness is very high, and certain technique means need be adopted to carry out desalination process to it, and main employing two kinds of methods desalinize seawater at present, i.e. distillation method and reverse osmosis method.Wherein distillation method is mainly used to the abundant place of super-huge sea water desaltination process and heat energy, higher to energy requirements, and reverse osmosis membrane applicable surface very wide, and ratio of desalinization is high, is therefore widely used; Seawater saltiness after desalination by reverse osmosis process reduces greatly, and water quality is even better than tap water, can for industry, business, resident and boats and ships, naval vessels.
The typical process flow of reverse osmosis seawater desalination equipment is: seawater enters pretreatment system, add after sterilant and flocculation agent through chemical medicine system and enter filtration devices, seawater enters high-pressure pump after pretreatment system filters, under the supercharging of high-pressure pump, flow through reverse osmosis membrane, high pressure sea water forms fresh water in the process next section of membrane stack through film, fresh water enters collection tube through film, flow out equipment via pipeline, salinity is then blocked in film surface with most of seawater device for transferring.In above-mentioned flow process, after the low pressure seawater after filtration enters high-pressure pump boosting, if be directly discharged into reverse osmosis membrane, the seawater of a large amount of high pressure easily forms water hammer, causes brute force attack to reverse osmosis membrane, damages reverse osmosis membrane.
For solving the problems of the technologies described above, Chinese patent literature CN104211206A discloses a kind of reverse osmosis desalination device peculiar to vessel, it comprises pretreatment unit, reverse osmosis membrane processing unit, and wherein pretreatment unit comprises self-cleaning filter, more medium filter and water tank, reverse osmosis membrane processing unit comprises reverse osmosis membrane apparatus, Self-cleaning system and high-pressure hydraulic pump, the motor of high-pressure hydraulic pump is provided with frequency transformer, pressure and the flow of pump is regulated by frequency transformer, the frequency transformer of this device alleviates high pressure sea water directly to the impact of reverse osmosis membrane, but frequency transformer cost is higher, the production cost of sea water desalinating plant is increased, and frequency transformer is comparatively strict to environmental requirement, require temperature, humidity etc. all meet its operational conditions, and seawater saltiness is high, hardness is large, large to equipment corrosion, frequency transformer easily breaks down under this particular surroundings, in addition, frequency transformer is also very high to technical requirements, producer must be contacted after breaking down technical support is provided.
Utility model content
For this reason, technical problem to be solved in the utility model is, for in prior art, seawater snubber assembly in sea water desalting equipment adopts frequency transformer usually, its cost is high, easily break down, reliability is low and be difficult to the deficiency safeguarded, and proposes that a kind of cost is low, not harsh to environmental requirement, reliability is high, the sea water desalting equipment of easy care.
For solving the problems of the technologies described above, the technical solution of the utility model is:
The utility model provides a kind of sea water desalting equipment, comprises seawater desalinization pretreatment unit, sea water desalination membrane processing unit and controller, and described controller is for controlling the start and stop of described sea water desalting equipment; Described seawater desalinization pretreatment unit comprises seawater and enters valve, sea-water pump and strainer; Described sea water desalination membrane processing unit comprise be communicated with successively through pipeline the first control valve, high-pressure pump, osmosis filtration film group, pressure regulator valve, the second control valve, cleaning water tank, liquid level valve and product water tank, described sea water desalination membrane processing unit also comprises sea water desalting equipment start and stop protector, and described start and stop protector is arranged between described high-pressure pump and described osmosis filtration module; Described product water tank inside is provided with upper and lower liquid level switch; Described sea water desalting equipment also comprises heating and cooling device.
As preferably, described start and stop protector is arranged on the pipeline between described high-pressure pump and described osmosis filtration module.
As preferably, described start and stop protector is adopt T-valve that is electronic, pneumatic or hydraulic control type of drive, and three branch roads of described T-valve are communicated with high-pressure pump, osmosis filtration module and a water shoot respectively.
As preferably, described T-valve is slow open form valve, and the deadline of opening or closing is 1-300s.
As preferably, described start and stop protector be arranged in parallel with the pipeline between described high-pressure pump and described osmosis filtration module and its water-in is connected with described pipeline by bypass line, and the water outlet of described start and stop protector connects a water shoot.
As preferably, described start and stop protector is adopt the one in the ball valve of electronic, pneumatic or hydraulic control type of drive, needle-valve, butterfly valve or throttling valve; Described ball valve, needle-valve, butterfly valve or throttling valve are slow open form valve, and opening or closing the deadline is 1-300s.
As preferably, between described start and stop protector and described osmosis filtration module, be also provided with check valve or resistance valves.
As preferably; described controller is electrically connected with described first control valve, described high-pressure pump, described start and stop protector, described product water tank, described heating and cooling device, described sea-water pump and described upper and lower liquid level switch, is one or more in micro-chip, PLC or control timer.
As preferably, described heating and cooling device is connected with described product water tank, is provided with hot water or cold water's valve.
As preferably, also comprise external control and start shutdown trip switch, described external control starts shutdown trip switch and is electrically connected with described controller.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) sea water desalting equipment described in the utility model, comprise seawater desalinization pretreatment unit, sea water desalination membrane processing unit and controller, described sea water desalination membrane processing unit comprises the first control valve be communicated with successively by the road, high-pressure pump, osmosis filtration film group, pressure regulator valve, second control valve, cleaning water tank, liquid level valve and product water tank, described sea water desalination membrane processing unit also comprises sea water desalting equipment start and stop protector, it is arranged between described high-pressure pump and described osmosis filtration module, described start and stop protector slowly closing when sea water desalting equipment starts, by the high pressure pressurizeed through high-pressure pump, the seawater shunting step-down of large discharge, stream falls, prevent high pressure sea water to form water hammer and directly impact osmosis filtration module, damage is caused to osmosis filtration module, when sea water desalting equipment is shut down, described sea water desalting equipment start and stop protector is slowly opened, and makes the water up-flow in equipment in cleaning water tank, boosting, rinses described osmosis filtration module rapidly, described start and stop protector switch is convenient, to water flow pressure and flow control timely, convenient, can immediately protect osmosis filtration module not by impact failure.
(2) sea water desalting equipment described in the utility model, described start and stop protector is slow open form valve, is applicable to the shunting of fluid; valve switch is rapid, keying is flexible, and the life-span is long, safe and reliable; with low cost, and not by the restriction of installation direction, the flow direction of medium can be any.
(3) sea water desalting equipment described in the utility model; check valve or resistance valves is also provided with between described start and stop protector and described osmosis filtration module; it can increase the resistance of seawater to osmosis filtration module; seawater is preferentially flowed out from the vertical runner of described start and stop protector; further reduction seawater, to the impact of described osmosis filtration module, improves the stability of equipment.
(4) sea water desalting equipment described in the utility model, also comprises heating and cooling device, is connected with described product water tank, for heating or cooling the product water produced in water tank, be provided with hot water or cold water's valve, the demand of the water to differing temps can be met, and take convenient.
(5) sea water desalting equipment described in the utility model, also comprise an external control and start and shut down trip switch, it is electrically connected with described controller, and operator can the start and stop of sea water desalting equipment described in teletype control, simple to operation.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of the sea water desalination membrane processing unit of sea water desalting equipment described in embodiment 1;
Fig. 2 is the structural representation of the seawater desalinization pretreatment unit of sea water desalting equipment described in the utility model.
Fig. 3 is the structural representation of the sea water desalination membrane processing unit of sea water desalting equipment described in embodiment 2;
Fig. 4 is the structural representation of the sea water desalination membrane processing unit of sea water desalting equipment described in embodiment 3.
In figure, Reference numeral is expressed as: 1-sea water desalination membrane processing unit; 11-first control valve; 12-high-pressure pump; 13-start and stop protector; 131-check valve; 132-bypass pipe; 14-osmosis filtration module; 15-pressure regulator valve; 16-second control valve; 17-cleans water tank; 181-first liquid level valve; 182-second liquid level valve; 19-produces water tank; 2-seawater desalinization pretreatment unit; 21-seawater enters valve; 22-sea-water pump; 23-strainer; 3-heating and cooling device.
Embodiment
Embodiment 1
Present embodiments provide a kind of sea water desalting equipment, it comprises seawater desalinization pretreatment unit 2, sea water desalination membrane processing unit 1, controller, external control startup shutdown trip switch, and described controller is used for the start and stop automatically controlling described sea water desalting equipment; Described external control starts shutdown trip switch and is electrically connected with described controller, for the start and stop of sea water desalting equipment described in Long-distance Control.
As shown in Figure 1, described sea water desalination membrane processing unit 1 comprises the first control valve 11, high-pressure pump 12, osmosis filtration film group 14, pressure regulator valve 15, second control valve 16, cleaning water tank 17, liquid level valve 18 and the product water tank 19 that are communicated with successively by the road, described product water tank 19 inside is provided with upper and lower liquid level switch, and described first control valve 11 and described second control valve 16 are T-valve; Described sea water desalination membrane processing unit 1 also comprises sea water desalting equipment start and stop protector 13; it is connected on the pipeline between described high-pressure pump 12 and described osmosis filtration module 14; described start and stop protector 13 is adopt T-valve that is electronic, pneumatic or hydraulic control type of drive; in the present embodiment; described T-valve is preferably electronic slow opening ball valve; the deadline of its closure or openness process is 150s, and three branch roads of described electronic slow opening ball valve are communicated with high-pressure pump 12, the water shoot of osmosis filtration module 14 and for being discharged by excessive seawater respectively.
As disposable embodiment, the other end of described water shoot can be connected to the water-in of described high-pressure pump 12, by excessive seawater reflux to described high-pressure pump 12.
Further, described sea water desalting equipment also comprises heating and cooling device 3, it is connected with described product water tank 19, the product water in water tank 19 is produced by electric power heating or cooling, meet the demand of people to the water of differing temps, described heating and cooling device 3 is provided with hot water or cold water's valve, and for the cold water in heating and cooling device 3 or hot water being released, it is simple and convenient which takes water.
As shown in Figure 2, described seawater desalinization pretreatment unit 2 comprises seawater and enters valve 21, sea-water pump 22 and strainer 23; One end that seawater enters valve 21 is connected with seawater admission port, and seawater enters valve 21 the other end and is connected with sea-water pump 22, and the exit end of sea-water pump 22 connects one group of strainer connected in turn 23, and the outlet of strainer 23 connects described first control valve 11;
In the present embodiment; described controller is preferably PLC; its with described first control valve 11, high-pressure pump 12, start and stop protector 13, produce water tank 19, heating and cooling device 3 and sea-water pump 22 and be all electrically connected; for controlling the commutation of described first control valve 11; control the start and stop of high-pressure pump 12, start and stop protector 13, heating and cooling device 3 and sea-water pump 22, and for monitoring the liquid level in described product water tank 19.
Sea water desalting equipment workflow described in the utility model is:
(1) process of sea water desalting equipment starting protection is: when producing the liquid level in water tank 19 and being too low, produce the lower liquid level switch trigger controller in water tank 19, controller controls the first control valve 11 and opens, then sea-water pump 22 is started, seawater flows into seawater by seawater admission port and enters valve 21, strainer 23 is pumped under the effect of sea-water pump 22, seawater after filter 23 filters enters the first control valve 11 of sea water desalination membrane processing unit 1, then high-pressure pump 12 is entered, with Time Controller control high-pressure pump 12 start and electronic slow opening ball valve by open mode slowly closing, most of pressurised seawater is flowed out from the vertical runner of electronic slow opening ball valve, small part seawater flows into osmosis filtration module 14 by the horizontal run of electronic slow opening ball valve, the impact of seawater to reverse osmosis module 14 through shunting step-down significantly weakens, along with electronic slow opening ball valve is closed gradually, the water yield and the pressure that enter reverse osmosis module 14 bring up to normal level gradually, system worked well, device start has been protected, fresh water after the desalination that osmosis filtration module 14 flows out is divided into two-way, one tunnel enters cleaning water tank 17 via the first liquid level valve 181, and another road enters via the second liquid level valve 182 and produces water tank 19.
(2) process of sea water desalting equipment stoppage protection is: when producing the liquid level in water tank 19 and being too high, the upper liquid level switch produced in water tank 19 triggers described controller, controller controls sea-water pump 22 and cuts out, then controller controls the first control valve 11 and commutates, the fresh water in cleaning water tank 17 is introduced in the first control valve 11, fresh water in cleaning water tank 17 flows into osmosis filtration film group 14 through high-pressure pump 12, the concentrated seawater in displacement osmosis filtration film group 14; After certain hour; controller controls electronic slow opening ball valve and slowly opens; the water yield and the pressure that make to enter osmosis filtration film group 14 reduce gradually; again after certain hour; electronic slow opening ball valve is opened completely; controller controls high-pressure pump 12 and quits work, and sea water desalting equipment quits work, and completes stoppage protection.
Embodiment 2
Present embodiments provide a kind of sea water desalting equipment; its structure is substantially the same manner as Example 1; difference is; described start and stop protector 13 be arranged in parallel with the pipeline between described high-pressure pump 12 and described osmosis filtration module 14 and its water-in is connected with described pipeline by bypass line 132; the water outlet of described start and stop protector 13 connects a water shoot; as shown in Figure 3, described water shoot is used for excessive seawater device for transferring.
Described start and stop protector 13 is adopt the one in the ball valve of electronic, pneumatic or hydraulic control type of drive, needle-valve, butterfly valve or throttling valve; As preferably, described ball valve, needle-valve, butterfly valve or throttling valve are the slow open form valve of two-way, and the deadline of opening or closing is 100s, and the protector of start and stop described in the present embodiment 13 is preferably electronic slow opening butterfly valve.
Sea water desalting equipment workflow described in the utility model is:
(1) process of sea water desalting equipment starting protection is: when producing the liquid level in water tank 19 and being too low, the lower liquid level switch produced in water tank 19 triggers described controller, controller controls the first control valve 11 and opens, then sea-water pump 22 is started, seawater flows into seawater by seawater admission port and enters valve 21, strainer 23 is pumped under the effect of sea-water pump 22, seawater after filter 23 filters enters the first control valve 11 of sea water desalination membrane processing unit 1, then high-pressure pump 12 is entered, with Time Controller control high-pressure pump 12 start and electronic slow opening butterfly valve by open mode slowly closing, most of pressurised seawater is flowed out from bypass pipe 132 through electronic slow opening butterfly valve, small part seawater flows into osmosis filtration module 14 by the pipeline between high-pressure pump 12 and osmosis filtration module 14, the impact of seawater to reverse osmosis module 14 through shunting step-down significantly weakens, along with electronic slow opening butterfly valve is closed gradually, the water yield and the pressure that enter reverse osmosis module 14 bring up to normal level gradually, system worked well, device start has been protected, fresh water after osmosis filtration module 14 is desalinated is divided into two-way, one tunnel enters cleaning water tank 17 via the first liquid level valve 181, and another road enters via the second liquid level valve 182 and produces water tank 19.
(2) process of sea water desalting equipment stoppage protection is: when producing the liquid level in water tank 19 and being too high, produce the upper liquid level switch trigger controller in water tank 19, controller controls sea-water pump 22 and cuts out, then controller controls the first control valve 11 and commutates, the fresh water in cleaning water tank 17 is introduced in the first control valve 11, fresh water in cleaning water tank 17 flows into osmosis filtration film group 14 through high-pressure pump 12, the concentrated seawater in displacement osmosis filtration film group 14; After certain hour; controller controls electronic slow opening butterfly valve and slowly opens; the water yield and the pressure that make to enter osmosis filtration film group 14 reduce gradually; again after certain hour; electronic slow opening butterfly valve is opened completely; controller controls high-pressure pump 12 and quits work, and sea water desalting equipment quits work, and completes stoppage protection.
Embodiment 3
Present embodiments provide a kind of sea water desalting equipment, its structure is substantially the same manner as Example 2, difference is, pipeline between described bypass pipe 132 and described osmosis filtration module 14 is also provided with check valve 131, as shown in Figure 4, described check valve 131 can increase the resistance that seawater enters described osmosis filtration module 14, seawater is preferentially flowed out from the vertical runner of described start and stop protector 13, further reduction seawater, to the impact of described osmosis filtration module 14, improves the stability of equipment; As disposable embodiment, described check valve 131 can also be resistance valves.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain that the utility model creates.
Claims (10)
1. a sea water desalting equipment, comprises seawater desalinization pretreatment unit, sea water desalination membrane processing unit and controller, and described controller is for controlling the start and stop of described sea water desalting equipment; Described seawater desalinization pretreatment unit comprises seawater and enters valve, sea-water pump and strainer; Described sea water desalination membrane processing unit comprise be communicated with successively through pipeline the first control valve, high-pressure pump, osmosis filtration film group, pressure regulator valve, the second control valve, cleaning water tank, liquid level valve and product water tank, it is characterized in that, described sea water desalination membrane processing unit also comprises sea water desalting equipment start and stop protector, and described start and stop protector is arranged between described high-pressure pump and described osmosis filtration film group; Described product water tank inside is provided with upper and lower liquid level switch; Described sea water desalting equipment also comprises heating and cooling device.
2. sea water desalting equipment according to claim 1, is characterized in that, described start and stop protector is arranged on the pipeline between described high-pressure pump and described osmosis filtration film group.
3. sea water desalting equipment according to claim 2; it is characterized in that; described start and stop protector is adopt T-valve that is electronic, pneumatic or hydraulic control type of drive, and three branch roads of described T-valve are communicated with high-pressure pump, osmosis filtration film group and a water shoot respectively.
4. sea water desalting equipment according to claim 3, is characterized in that, described T-valve is slow open form valve, and the deadline of opening or closing is 1-300s.
5. sea water desalting equipment according to claim 1; it is characterized in that; described start and stop protector be arranged in parallel with the pipeline between described high-pressure pump and described osmosis filtration film group and its water-in is connected with described pipeline by bypass line, and the water outlet of described start and stop protector connects a water shoot.
6. sea water desalting equipment according to claim 5, is characterized in that, described start and stop protector is adopt the one in the ball valve of electronic, pneumatic or hydraulic control type of drive, needle-valve, butterfly valve or throttling valve; Described ball valve, needle-valve, butterfly valve or throttling valve are slow open form valve, and the deadline of opening or closing is 1-300s.
7. sea water desalting equipment according to claim 6, is characterized in that, is also provided with check valve or resistance valves between described start and stop protector and described osmosis filtration film group.
8. the sea water desalting equipment according to any one of claim 1-7; it is characterized in that; described controller is electrically connected with described first control valve, described high-pressure pump, described start and stop protector, described product water tank, described heating and cooling device, described sea-water pump and described upper and lower liquid level switch, is one or more in micro-chip, PLC or control timer.
9. sea water desalting equipment according to claim 8, is characterized in that, described heating and cooling device is connected with described product water tank, is provided with hot water or cold water's valve.
10. sea water desalting equipment according to claim 9, is characterized in that, also comprises external control and starts shutdown trip switch, and described external control starts shutdown trip switch and is electrically connected with described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372539.XU CN204752280U (en) | 2015-06-02 | 2015-06-02 | Seawater desalination equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520372539.XU CN204752280U (en) | 2015-06-02 | 2015-06-02 | Seawater desalination equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204752280U true CN204752280U (en) | 2015-11-11 |
Family
ID=54467009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520372539.XU Active CN204752280U (en) | 2015-06-02 | 2015-06-02 | Seawater desalination equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204752280U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502720A (en) * | 2016-01-19 | 2016-04-20 | 董伟 | Intelligent seawater and rainwater purification system |
| CN106629924A (en) * | 2017-01-10 | 2017-05-10 | 深圳市优美环境治理有限公司 | Sea water desalination device |
| CN109850999A (en) * | 2019-04-23 | 2019-06-07 | 福建普泰科水处理科技有限公司 | A kind of purging method for seawater desalination system |
| CN112408548A (en) * | 2020-10-20 | 2021-02-26 | 浙江省海洋水产养殖研究所 | Water desalination device for large-scale seedling cultivation of litopenaeus vannamei |
-
2015
- 2015-06-02 CN CN201520372539.XU patent/CN204752280U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502720A (en) * | 2016-01-19 | 2016-04-20 | 董伟 | Intelligent seawater and rainwater purification system |
| CN106629924A (en) * | 2017-01-10 | 2017-05-10 | 深圳市优美环境治理有限公司 | Sea water desalination device |
| CN109850999A (en) * | 2019-04-23 | 2019-06-07 | 福建普泰科水处理科技有限公司 | A kind of purging method for seawater desalination system |
| CN112408548A (en) * | 2020-10-20 | 2021-02-26 | 浙江省海洋水产养殖研究所 | Water desalination device for large-scale seedling cultivation of litopenaeus vannamei |
| CN112408548B (en) * | 2020-10-20 | 2021-08-31 | 浙江省海洋水产养殖研究所 | Water desalination device for large-scale seedling cultivation of litopenaeus vannamei |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204752280U (en) | Seawater desalination equipment | |
| AU2011218305B2 (en) | Control scheme for a reverse osmosis system using a hydraulic energy management integration system | |
| US20160368800A1 (en) | Subsea seawater filtration and treatment system | |
| CN105903355A (en) | Method for preventing and treating pollution through reverse osmosis membrane or nano filter membrane system | |
| CN106277206A (en) | A kind of purifying drinking appliance | |
| CN101886539B (en) | Scale separating and removing filter device of oil extracting and transporting equipment | |
| CN102688694A (en) | On-line back washing process system of porous ceramic film | |
| CN214734600U (en) | Water purification machine reverse osmosis concentrated water recycling device | |
| CN103086527A (en) | Leak-proof water purifier | |
| CN203173901U (en) | Water purifier and impulse type waste water discharge device thereof | |
| CN110681212B (en) | Antifreezing water purifier and control method thereof | |
| WO2016139672A1 (en) | System and method for water treatment | |
| CN108706782A (en) | A kind of sea water desalination processing unit | |
| CN201596490U (en) | Emulsion preparation system | |
| CN204138480U (en) | Aircraft engine water for cleaning cleaner | |
| KR101614455B1 (en) | Water treatment system with washable reverse osmosis membranes | |
| CN206486373U (en) | A kind of stationary frequency conversion starter cooling water system water replanishing device | |
| CN202272786U (en) | Adjustable pressure reverse osmosis seawater desalination device | |
| CN202844888U (en) | Intelligent control reverse osmosis system | |
| CN201871326U (en) | Scale inhibition and pollution-preventing device for membrane separation | |
| CN217921569U (en) | Reverse osmosis membrane assembly integrated system | |
| CN102631807B (en) | Ice formation sea water disappears ice filter method | |
| CN205241384U (en) | Water purifying machine without waste water | |
| CN214780920U (en) | Useless nitric acid nanofiltration separation system with circulation function | |
| CN203874680U (en) | Online automatic washing device of reverse osmosis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |