CN206359286U - A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration - Google Patents
A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration Download PDFInfo
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- CN206359286U CN206359286U CN201621368132.0U CN201621368132U CN206359286U CN 206359286 U CN206359286 U CN 206359286U CN 201621368132 U CN201621368132 U CN 201621368132U CN 206359286 U CN206359286 U CN 206359286U
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- 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
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Abstract
The utility model belongs to desalinization mechanism correlative technology field, it discloses a kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration, the two-pass sea water desalinating unit includes two cavity body structures, hydraulic cylinder group and two two-position three way magnetic valves, the cavity body structure include concentrated seawater chamber and with the spaced ordinary sea water chamber of the concentrated seawater chamber；The hydraulic cylinder group includes first hydraulic cylinder and the second hydraulic cylinder of a push rod is shared with the first hydraulic cylinder, the rodless cavity of the concentrated seawater chamber of one and ordinary sea water chamber two hydraulic cylinders respectively is connected in two cavity body structures, and the concentrated seawater chamber and ordinary sea water chamber of another cavity body structure are connected with two hydraulic cylinder rod chambers respectively.Two two-position three-way electromagnetics are connected to the discharge pipe line of two cavity body structures, and two two position three-way valves make two cavity body structure alternatings in running order by changing station or change water state.
Description
Technical field
The utility model belongs to desalinization mechanism correlative technology field, and pressure retardation is based on more particularly, to one kind
Infiltration and the two-pass sea water desalinating unit of counter-infiltration.
Background technology
Substantial amounts of marine island and cay freshwater resources are rare, in the urgent need to preparing fresh water using desalination technology, pass
The technology of system desalinization mainly has：Seawater freezing process, electroosmose process, the way of distillation, reverse osmosis membrane.Wherein, the way of distillation and anti-
It is main desalination method to permeate embrane method, and both are dependent on electric energy, and the coal oil-gas resource for being conventionally used to generate electricity faces withered
Exhaust, and electric energy is not transferred to remote island, therefore remote island are not adapted to using the desalination technology of electric energy, utilize
The power assist apparatus such as pump are needed to use in the desalination technology of electric energy, the complicated of its device is caused, floor space is big,
Safeguard high with operating cost.
At present, relevant technical staff in the field has done some researchs, and such as Application No. 201420366114.3 is special
Profit discloses a kind of sea water desalinating unit based on pressure retardation infiltration and counter-infiltration and its system, the sea water desalinating unit profit
Desalinization can be carried out with salt error.However, the sea water desalinating unit is after work once terminates, the piston of its gear unit without
Method is voluntarily returned to initial position and carries out next task again, then also needs to consumed energy to make piston return back to initial bit
Put so that cost is higher；In addition, piston is during initial position is returned to, the sea water desalinating unit can not produce light
Water, production water is less efficient.
Utility model content
For the disadvantages described above or Improvement requirement of prior art, the utility model provides a kind of based on the infiltration of pressure retardation
And the two-pass sea water desalinating unit of counter-infiltration, its principle based on pressure permeation and counter-infiltration, for sea water desalinating unit
Connecting relation between structure and part is designed.The two-pass sea water desalinating unit sets two cavity body structures respectively
The opposite both sides of hydraulic cylinder group are placed in, coordinate two-position three way magnetic valve to make two cavity body structure alternately desalinizations, are solved
The problem of piston of having determined can not automatically revert to initial position, reduces cost, improves desalinization efficiency.In addition, described
Two-pass sea water desalinating unit compact conformation, operation that can be steady in a long-term make use of salt error energy to greatest extent, environmental protection,
It is economic and practical.
To achieve the above object, the utility model provides a kind of two-pass sea based on the infiltration of pressure retardation and counter-infiltration
Water desalination apparatus, it includes two cavity body structures, hydraulic cylinder group and two two-position three way magnetic valves, it is characterised in that：
Two cavity body structures are connected to the opposite both sides of the hydraulic cylinder group, and both are relative to the hydraulic pressure
Cylinder group is symmetrical arranged；The cavity body structure is used to realize that salt error can permeate the conversion for pressing to static pressure and the desalination of seawater, and it is wrapped
Include concentrated seawater chamber and with the spaced ordinary sea water chamber of the concentrated seawater chamber；
The hydraulic cylinder group includes first hydraulic cylinder and the second hydraulic cylinder of a push rod is shared with the first hydraulic cylinder,
The rodless cavity and the second liquid of the concentrated seawater chamber of one and ordinary sea water chamber respectively with first hydraulic cylinder in two cavity body structures
The rodless cavity of cylinder pressure is connected, the concentrated seawater chamber and ordinary sea water chamber of another cavity body structure respectively with first hydraulic pressure
The rod chamber of cylinder and the rod chamber of the second hydraulic cylinder are connected；
One in two two-position three-way electromagnetics be connected to two cavity body structures concentrated seawater discharge pipe line,
Another is connected to the discharge pipe line of ordinary sea water；Two two position three-way valves make two cavity body structures by changing station
Alternating is in running order or changes water state.
Further, the cylinder diameter of the first hydraulic cylinder is more than the cylinder diameter of the second hydraulic cylinder, and first hydraulic pressure
The stroke of cylinder is less than the stroke of the second hydraulic cylinder.
Further, the cavity body structure includes left end cap, middle cover and right end cap, the left end cap, the middle cover and institute
State right end cap and be sequentially connected and connect.
Further, the structure of the right end cap is identical with the structure of the left end cap.
Further, the concentrated seawater chamber is opened in the left end cap towards the side of the middle cover, and the left end cap is also
It is formed with the concentrated seawater import being connected with the concentrated seawater chamber and concentrated seawater outlet, the concentrated seawater import and is provided with unidirectionally
Valve；The concentrated seawater outlet is connected with the rodless cavity of the first hydraulic cylinder.
Further, the ordinary sea water chamber is opened in the right end cap towards the side of the middle cover, the right end cap
The ordinary sea water water inlet and connector being connected with the ordinary sea water chamber are further opened with, the ordinary sea water water inlet is set
Check valve is equipped with, the connector is connected with the rodless cavity of the second hydraulic cylinder.
Further, the opposite both sides of the middle cover offer spaced flowing ordinary sea water chamber and fresh water respectively
Chamber, the fresh water chamber is oppositely arranged with the ordinary sea water chamber, and the middle cover is further opened with and entering that the fresh water chamber is connected
Gas port and water outlet, the air inlet and the water outlet are located at the opposite two ends of the middle cover.
Further, the two-pass sea water desalinating unit also includes pressure retardation permeable membrane, oozed with the pressure retardation
Pressure retardation permeable membrane supporting layer, reverse osmosis membrane and the reverse osmosis membrane support for being connected to the reverse osmosis membrane that permeable membrane is connected
Layer, the pressure retardation permeable membrane and the pressure retardation permeable membrane supporting layer are located between the left end cap and the middle cover,
The reverse osmosis membrane and the reverse osmosis membrane supporting layer are located between the middle cover and the right end cap.
Further, the pressure retardation permeable membrane supporting layer and the reverse osmosis membrane supporting layer are that porous resistance to deformation is consolidated
Fixed board；The structure of the concentrated seawater chamber, the structure of the flowing ordinary sea water chamber, the structure of the fresh water chamber and the common sea
The structure of water cavity is identical, and the angle of upper end cavity wall and perpendicular is 15 DEG C~30 DEG C.
Further, the two-pass sea water desalinating unit also includes microprocessor, and the microprocessor is used to control institute
Two-position three way magnetic valve is stated, and then realizes the alternately desalinization of two cavity body structures and changes water.
In general, by the contemplated above technical scheme of the utility model compared with prior art, it is new by this practicality
The two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration that type is provided, it sets two cavity body structures respectively
In the both sides that hydraulic cylinder group is opposite, coordinate two-position three way magnetic valve to make two cavity body structure alternately desalinizations, solve
The problem of piston can not automatically revert to initial position, reduces cost, improves desalinization efficiency.In addition, described double
Stroke sea water desalinating unit compact conformation, operation that can be steady in a long-term make use of salt error energy, environmental protection, warp to greatest extent
Ji is applicable.
Brief description of the drawings
Fig. 1 is the two-pass seawater based on the infiltration of pressure retardation and counter-infiltration that the utility model better embodiment is provided
The structured flowchart of desalting plant.
Fig. 2 is the sectional view of the cavity body structure of the two-pass sea water desalinating unit in Fig. 1.
Fig. 3 is sectional view of the cavity body structure along A-A directions in Fig. 2.
In all of the figs, identical reference is used for representing identical element or structure, wherein：1- concentrated seawaters are intake
Mouthful, 2- pressure retardation permeable membranes, 3- the first ordinary sea water imports, 4- reverse osmosis membranes, 5- the second ordinary sea water imports, 6- is commonly extra large
Water out, 7- fresh water outlets mouthful, 8- first hydraulic cylinders, 9- second hydraulic cylinders, 10- two-position three way magnetic valves, dense sea after 11- dilutions
Water drainpipe, ordinary sea water drainpipe after 12- concentrations, 13- left end caps, 14- concentrated seawater chambers, the support of 15- pressure retardations permeable membrane
Layer, 16- flowing ordinary sea water chambers, 17- middle covers, 18- right end caps, 19- ordinary sea water chambers, 20- reverse osmosis membrane supporting layers, 21- is light
Water cavity, 22- sealing rings, 23- screwed holes, 24- through holes, 25- pilot holes.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not constitute conflict and can be just mutually combined each other.
Refer to Fig. 1 to Fig. 3, what the utility model better embodiment was provided permeated based on pressure retardation and counter-infiltration
Two-pass sea water desalinating unit, the two-pass sea water desalinating unit is designed using two-pass, has two in a work period
Stroke, the two-pass sea water desalinating unit produces fresh water in two strokes, lasting production water is realized, while solving piston
The problem of initial position can not being automatically returned to.
The two-pass sea water desalinating unit includes two cavity body structures, connects the hydraulic cylinder of two cavity body structures
Group, four be connected to the check valve of two cavity body structures, two be connected to the hydraulic cylinder group two-position three ways electricity
Magnet valve 10 and microprocessor.
Be alternately produced in the cavity body structure of fresh water, i.e., two one of two cavity body structures is in running order
When, another is then in and changes water state, no work interval.In present embodiment, the shape and size of two cavity body structures
Identical, both are connected to the front and rear sides of the hydraulic cylinder group, it will be understood that in other embodiments, described in two
Cavity body structure can be connected to the left and right sides or both sides up and down of the hydraulic cylinder group.
The cavity body structure includes concentration difference power unit and desalinization unit, and the concentration difference power unit is used for will
Salt error can be converted into static pressure；The static pressure is passed to the desalinization by the hydraulic cylinder group by mobile or deformation
Unit；The desalinization unit realizes the desalination of seawater in the presence of the static pressure.
In present embodiment, the cavity body structure includes pressure retardation permeable membrane 2, reverse osmosis membrane 4, left end cap 13, pressure
Retardation permeable membrane supporting layer 15, reverse osmosis membrane supporting layer 16, middle cover 17, four sealing rings 22 and right end cap 18, the left end cap
13rd, the middle cover 17 and the right end cap 18 are sequentially connected and connect.The pressure retardation permeable membrane 2 is connected to the pressure retardation and oozed
The two ends of permeable membrane supporting layer 15, the pressure retardation permeable membrane supporting layer 15 and the pressure retardation permeable membrane 2 are respectively arranged with
Sealing ring 22, and the pressure retardation permeable membrane supporting layer 15, the pressure retardation permeable membrane 2 and corresponding two sealings
Circle 22 is respectively positioned between the left end cap 13 and the middle cover 17.In present embodiment, the sealing ring 22 is O-ring.
The left end cap 13 offers concentrated seawater chamber 14, and the concentrated seawater chamber 14 is through the left end cap 13 towards in described
The side of lid 17.The left end cap 13 is further opened with the screwed hole 23 being connected with the concentrated seawater chamber 14, the screwed hole 23
Exported through the opposite two ends of the left end cap 13 with forming concentrated seawater import 1 and concentrated seawater respectively.The screwed hole 23 is used for
Pressure piping is connected to, so that concentrated seawater enters the concentrated seawater chamber 14 or flowed out from the concentrated seawater chamber 14.
The opposite both sides of the middle cover 17 offer spaced flowing ordinary sea water chamber 16 and fresh water chamber 21, institute respectively
State flowing ordinary sea water chamber 16 relative with the concentrated seawater chamber 14, and the flowing ordinary sea water chamber 16 and the concentrated seawater chamber 14
Between be provided with the pressure retardation permeable membrane 2 and the pressure retardation permeable membrane supporting layer 15, the pressure retardation permeable membrane 2
For enabling the hydrone in the seawater in the less flowing ordinary sea water chamber 16 of salinity to penetrate into salt in the case where salt error is acted on
In the larger concentrated seawater chamber 14 of degree, and because the compressibility of liquid is poor so that the pressure of the concentrated seawater chamber 14 increases
Greatly, realize and salt error energy osmotic pressure is converted into static pressure.In present embodiment, the pressure retardation permeable membrane supporting layer 15 is used for
Fix and support the pressure retardation permeable membrane 2, to prevent the pressure retardation permeable membrane 2 in the salt error energy of various concentrations seawater
Effect is lower mobile or ruptures.The pressure retardation permeable membrane supporting layer 15 be fixed on the left end cap 13 and the middle cover 17 it
Between, consume static pressure to prevent from moving under its seawater eroding in the concentrated seawater chamber 14.
The middle cover 17 is further opened with two and is connected respectively with the flowing ordinary sea water chamber 16 and the fresh water chamber 21
Through hole 24, one in two through holes 24 is through the opposite two ends of the middle cover 17 to form the first ordinary sea water
Entrance 3 and ordinary sea water outlet 6；Another described through hole 24 runs through the opposite two ends of the middle cover 17 to form fresh water respectively
Outlet 7 and air inlet, the air inlet are used to balance the pressure in the fresh water chamber 21, so that the pressure in the fresh water chamber 21
Equal to atmospheric pressure.
The side of the right end cap 18 towards the middle cover 17 offers ordinary sea water chamber 19, the ordinary sea water chamber 19 with
The fresh water chamber 21 is relative, and is provided with reverse osmosis membrane 4 and reverse osmosis membrane supporting layer 20 between the two.The reverse osmosis membrane 4 connects
The reverse osmosis membrane supporting layer 20 is connected to, and both two ends are respectively arranged with sealing ring 22.Described 4 permission institutes of reverse osmosis membrane
The hydrone for stating the seawater in ordinary sea water chamber 19 penetrates into the fresh water chamber 21, and the ordinary sea water chamber 19 is by from the liquid
The static pressure effect of the transmission of cylinder pressure group is so that the hydrone in seawater in the ordinary sea water chamber 19 passes through the reverse osmosis
Permeable membrane 4 enters the fresh water chamber 21, realizes desalinization.The reverse osmosis membrane supporting layer 20 is used to fixing and supporting the reverse osmosis
Permeable membrane 4, to prevent from moving or rupturing under pressure effect of the reverse osmosis membrane 4 in the ordinary sea water chamber 19.It is described anti-
Permeable membrane supporting layer 20 is fixed between the middle cover 17 and the right end cap 18, to prevent it in the ordinary sea water chamber 19
Seawater eroding under move and consume static pressure so that ensure by the concentration difference power unit provide static pressure nearly all make
For desalinization.
In present embodiment, the pressure retardation permeable membrane supporting layer 15 and the reverse osmosis membrane supporting layer 20 are porous
Resistance to deformation fixed plate.The right end cap 18 is further opened with the screwed hole 23 being connected with the ordinary sea water chamber 19, described
Screwed hole 23 runs through the opposite two ends of the right end cap 18 to form the second ordinary sea water import 5 and connector, the company respectively
Interface is connected with the hydraulic cylinder group.In present embodiment, the concentrated seawater import 1 and the second ordinary sea water import 5
Place is connected to the check valve.
In present embodiment, the concentrated seawater chamber 14, the pressure retardation permeable membrane 2, the pressure retardation permeable membrane branch
Support layer 15 and the flowing ordinary sea water chamber 16 are contained in the concentration difference power unit；It is the ordinary sea water chamber 19, described anti-
Permeable membrane 4, the reverse osmosis membrane supporting layer 20 and the fresh water chamber 21 are contained in the desalinization unit；The concentrated seawater chamber
14 shape, the shape of the flowing ordinary sea water chamber 16, the shape of the shape of the ordinary sea water chamber 19 and the fresh water chamber 21
Shape is identical, and two ends are substantially tapered, and interlude is in cylinder, and the angle of upper end cavity wall and perpendicular is 15 DEG C~30
℃。
The cavity body structure is further opened with four pilot holes 25, and four pilot holes 25 run through the cavity body structure.Four
The individual pilot hole 25 coordinates so that the left end cap 13, the middle cover 17 and the right end cap 18 are connected with four bolts respectively
Together.In present embodiment, two cavity body structures are symmetrical arranged relative to the hydraulic cylinder group；The left end cap 13
Structure is identical with the structure of the right end cap 18.
The hydraulic cylinder group includes first hydraulic cylinder 8 and second hydraulic cylinder 9, the first hydraulic cylinder 8 and second liquid
Cylinder pressure 9 shares a push rod, i.e., described first hydraulic cylinder 8 is connected to the second hydraulic cylinder 9, described first by the push rod
The rod chamber of hydraulic cylinder 8 and the rod chamber of the second hydraulic cylinder 9 are oppositely arranged.In present embodiment, the first hydraulic cylinder 8
Cylinder diameter be more than the second hydraulic cylinder 9 cylinder diameter；The stroke of the first hydraulic cylinder 8 is less than the row of the second hydraulic cylinder 9
Journey；The connector of the concentrated seawater outlet of one and the ordinary sea water chamber 19 is respectively with described first in two cavity body structures
The rodless cavity of hydraulic cylinder 8 and the rodless cavity of the second hydraulic cylinder 9 are connected, another concentrated seawater outlet and the common sea
The connector of water cavity 19 is connected with the rod chamber of the first hydraulic cylinder 8 and the rod chamber of the second hydraulic cylinder 9 respectively.
Two two-position three way magnetic valves 10 are connected to the discharge pipe line of two cavity body structures.Described in two
The rodless cavity and the rod chamber of the first hydraulic cylinder 8 of the side of two-position three way magnetic valve 10 respectively with the first hydraulic cylinder 8
The pipeline for being connected to the cavity body structure is connected, and opposite side is connected with concentrated seawater discharge pipe line 11 after dilution；Another institute
State the side of two-position three way magnetic valve 10 has bar with the rodless cavity of the second hydraulic cylinder 9 and the second hydraulic cylinder 9 respectively
The pipeline that chamber connects the corresponding cavity body structure is connected, and opposite side is connected with ordinary sea water drainpipe after concentration.This reality
Apply in mode, the microprocessor controls the hydraulic cylinder group by controlling the two-position three way magnetic valve 10, and then realizes
The working condition of two cavity body structures and the automatic switchover for changing water state.
One work period of the two-pass sea water desalinating unit is by two strokes of piston right lateral journey and piston left lateral journey
Constitute.In present embodiment, for convenience of explanation, the cavity body structure that will be connected to the rodless cavity of the first hydraulic cylinder 8 is referred to as
Cavity body structure A, the rod chamber cavity body structure for being connected to the first hydraulic cylinder 8 is referred to as cavity body structure B.
Piston right lateral journey：The piston of the first hydraulic cylinder 8 and the piston of the second hydraulic cylinder 9 are in left end, institute
State microprocessor and control two two-position three way magnetic valves 10 so that the discharge pipe line conducting of the cavity body structure B, the chamber
Body structure A discharge pipe line is turned off；Hydrone in the flowing ordinary sea water chamber 16 of the cavity body structure A prolongs in the pressure
The concentrated seawater chamber 14 is continued to flow into the presence of stagnant permeable membrane 2, the concentrated seawater chamber 14 puts aside high pressure, passes through first liquid
Cylinder pressure 8 promotes to the right two pistons；Pressure is delivered to the second hydraulic cylinder 9, and final special delivery by the push rod
To the ordinary sea water chamber 19, the hydrone in the ordinary sea water chamber 19 enters through the reverse osmosis membrane 4 under pressure
Enter to the fresh water chamber 21, so that fresh water is made, the cavity body structure A is in running order.
At the same time, the concentrated seawater chamber 14 of the cavity body structure B and the ordinary sea water chamber 19 are in the piston and gravity
Collective effect under carry out changing water, and by used working solution is replaced in the two-pass sea water desalinating unit, for work
The left lateral journey of plug is prepared, and the cavity body structure B is in and changes water state.
Piston left lateral journey：The piston of the first hydraulic cylinder 8 and the piston of the second hydraulic cylinder 9 are in right-hand member, institute
State microprocessor and control two two-position three way magnetic valves 10 so that the discharge pipe line conducting of the cavity body structure A, the chamber
Body structure B discharge pipe line is turned off；Hydrone in the flowing ordinary sea water chamber 16 of the cavity body structure B prolongs in the pressure
The concentrated seawater chamber 14 is continued to flow into the presence of stagnant permeable membrane 2, the concentrated seawater chamber 14 puts aside high pressure, passes through first liquid
Cylinder pressure 8 promotes two pistons to the left；Pressure is delivered to the second hydraulic cylinder 9, and final special delivery by the push rod
To the ordinary sea water chamber 19, the hydrone in the ordinary sea water chamber 19 enters through the reverse osmosis membrane 4 under pressure
Enter to the fresh water chamber 21, so that fresh water is made, the cavity body structure B is in running order.
At the same time, the concentrated seawater chamber 14 of the cavity body structure A and the ordinary sea water chamber 19 are in the piston and gravity
Collective effect under carry out changing water, and by used working solution is replaced in the two-pass sea water desalinating unit, for work
The right lateral journey of plug is prepared, and the cavity body structure A is in and changes water state, and so far, two strokes terminate, and the two-pass seawater is light
One work period of completion is put in makeup.
The two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration that the utility model is provided, it is by two
Cavity body structure is respectively arranged at the opposite both sides of hydraulic cylinder group, coordinates two-position three way magnetic valve to make two cavity body structures alternately enter
Row desalinization, solves the problem of piston can not automatically revert to initial position, reduces cost, improves desalinization effect
Rate.In addition, the two-pass sea water desalinating unit compact conformation, operation that can be steady in a long-term make use of salt error to greatest extent
Can, environmental protection is economic and practical.
As it will be easily appreciated by one skilled in the art that the foregoing is only preferred embodiment of the present utility model, not
To limit the utility model, all any modifications made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within protection domain of the present utility model.
Claims (10)
1. a kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration, it includes two cavity body structures, liquid
Cylinder pressure group and two two-position three way magnetic valves, it is characterised in that：
Two cavity body structures are connected to the opposite both sides of the hydraulic cylinder group, and both are relative to the hydraulic cylinder group
It is symmetrical arranged；The cavity body structure is used to realize that salt error can permeate the conversion for pressing to static pressure and the desalination of seawater, and it includes dense
Seawater chamber and with the spaced ordinary sea water chamber of the concentrated seawater chamber；
The hydraulic cylinder group includes first hydraulic cylinder and the second hydraulic cylinder of a push rod, two is shared with the first hydraulic cylinder
The rodless cavity and second hydraulic cylinder of the concentrated seawater chamber of one and ordinary sea water chamber respectively with first hydraulic cylinder in the cavity body structure
Rodless cavity be connected, the concentrated seawater chamber and ordinary sea water chamber of another cavity body structure respectively with the first hydraulic cylinder
Rod chamber and the rod chamber of the second hydraulic cylinder are connected；
One in two two-position three-way electromagnetics be connected to two cavity body structures concentrated seawater discharge pipe line, it is another
The individual discharge pipe line for being connected to ordinary sea water；Two two position three-way valves make two cavity body structure alternatings by changing station
It is in running order or change water state.
2. the two-pass sea water desalinating unit as claimed in claim 1 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The cylinder diameter of the first hydraulic cylinder is more than the cylinder diameter of the second hydraulic cylinder, and the stroke of the first hydraulic cylinder is less than institute
State the stroke of second hydraulic cylinder.
3. the two-pass sea water desalinating unit as claimed in claim 1 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The cavity body structure includes left end cap, middle cover and right end cap, the left end cap, the middle cover and the right end cap phase successively
Connection.
4. the two-pass sea water desalinating unit as claimed in claim 3 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The structure of the right end cap is identical with the structure of the left end cap.
5. the two-pass sea water desalinating unit as claimed in claim 3 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The concentrated seawater chamber is opened in the left end cap towards the side of the middle cover, the left end cap be also formed with it is described dense
Check valve is provided with concentrated seawater import and concentrated seawater outlet that seawater chamber is connected, the concentrated seawater import；The concentrated seawater
Outlet is connected with the rodless cavity of the first hydraulic cylinder.
6. the two-pass sea water desalinating unit as claimed in claim 5 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The ordinary sea water chamber is opened in the right end cap towards the side of the middle cover, the right end cap be further opened with it is described
Ordinary sea water water inlet and connector that ordinary sea water chamber is connected, the ordinary sea water water inlet are provided with check valve, institute
The rodless cavity that connector is stated with the second hydraulic cylinder is connected.
7. the two-pass sea water desalinating unit as claimed in claim 6 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The opposite both sides of the middle cover offer spaced flowing ordinary sea water chamber and fresh water chamber respectively, the fresh water chamber with
The ordinary sea water chamber is oppositely arranged, and the middle cover is further opened with the air inlet and water outlet being connected with the fresh water chamber,
The air inlet and the water outlet are located at the opposite two ends of the middle cover.
8. such as the claim two-pass desalinization dress as claimed in claim 7 based on the infiltration of pressure retardation and counter-infiltration
Put, it is characterised in that：The two-pass sea water desalinating unit also includes pressure retardation permeable membrane and the pressure retardation permeable membrane
Pressure retardation permeable membrane supporting layer, reverse osmosis membrane and the reverse osmosis membrane supporting layer for being connected to the reverse osmosis membrane being connected, institute
State pressure retardation permeable membrane and the pressure retardation permeable membrane supporting layer is located between the left end cap and the middle cover, it is described anti-
Permeable membrane and the reverse osmosis membrane supporting layer are located between the middle cover and the right end cap.
9. the two-pass sea water desalinating unit as claimed in claim 8 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The pressure retardation permeable membrane supporting layer and the reverse osmosis membrane supporting layer are porous resistance to deformation fixed plate；The dense sea
The structure of water cavity, the structure of the flowing ordinary sea water chamber, the structure phase of the structure of the fresh water chamber and the ordinary sea water chamber
Together, and the angle of upper end cavity wall and perpendicular is 15 DEG C~30 DEG C.
10. the two-pass sea water desalinating unit as claimed in claim 1 based on the infiltration of pressure retardation and counter-infiltration, its feature exists
In：The two-pass sea water desalinating unit also includes microprocessor, and the microprocessor is used to control the two-position three-way electromagnetic
Valve, and then realize the alternately desalinization of two cavity body structures and change water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368132.0U CN206359286U (en) | 2016-12-14 | 2016-12-14 | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621368132.0U CN206359286U (en) | 2016-12-14 | 2016-12-14 | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359286U true CN206359286U (en) | 2017-07-28 |
Family
ID=59374598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621368132.0U Active CN206359286U (en) | 2016-12-14 | 2016-12-14 | A kind of two-pass sea water desalinating unit based on the infiltration of pressure retardation and counter-infiltration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359286U (en) |
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2016
- 2016-12-14 CN CN201621368132.0U patent/CN206359286U/en active Active
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