CN101973655B - Water desalting treatment process and device - Google Patents
Water desalting treatment process and device Download PDFInfo
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- CN101973655B CN101973655B CN201010511941A CN201010511941A CN101973655B CN 101973655 B CN101973655 B CN 101973655B CN 201010511941 A CN201010511941 A CN 201010511941A CN 201010511941 A CN201010511941 A CN 201010511941A CN 101973655 B CN101973655 B CN 101973655B
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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
Abstract
The invention relates to the technical field of water purification and discloses a water desalting treatment process, which comprises the steps of: A, carrying out coagulation/flocculation treatment on water to be desalted so as to flocculate and precipitate soluble colloids, suspended matters and particles; B, carrying out pre-filtering treatment on the water subjected to the coagulation/flocculation treatment and filtering the colloids in the water; C, carrying out ultrafiltration treatment on the water subjected to the pre-filtering; and D, carrying out reverse osmosis treatment on the water subjected to the ultrafiltration treatment. According to the water desalting treatment process provided in the invention, desalting treatment can be realized by carrying out four stages of treatment of the coagulation/flocculation treatment, the pre-filtering treatment, the ultrafiltration treatment and the reverse osmosis treatment, and the desalting treatment process is simple and has higher desalting efficiency and lower desalting cost. The invention also discloses a water desalting treatment device.
Description
Technical field
The present invention relates to the water treatment technology field, relate in particular to a kind of water desalination treatment process and a kind of water desalination treatment unit.
Background technology
The area of earth surface 2/3rds is awash, and wherein 97% is seawater and brackish water, utilize these seawater and brackish water, must desalinate processing to these seawater and brackish water.Seawater, brackish water desalination promptly utilize sea water desalinization to produce fresh water, are the increment technique of increasing income that realizes the water resources utilization.At present, existing more than 120 countries in the whole world adopt multiple seawater or technique of desalinating saline water to obtain fresh water, and sea water desaltination has become the important channel that solves the water globe crisis of resource.
In the prior art, water desalination treatment process and the equipment that carries out seawater, brackish water desalination has a variety of, and all there are lower, the desalinating cost problem of higher of desalination efficient in these water desalination treatment process, equipment.Therefore, how to develop a kind of water desalination treatment process or water desalination treatment facility that efficient is higher, desalinating cost is lower of desalinating, become the technical barrier that those skilled in the art need to be resolved hurrily.
Summary of the invention
First purpose of the present invention provides a kind of water desalination treatment process, and the desalination that this water desalination treatment process can be used for seawater, brackish water is handled, and desalination efficient is higher, and desalinating cost is lower.
Another object of the present invention provides a kind of water desalination treatment facility, and the desalination that this water desalination treatment facility can be used for seawater, brackish water is handled, and desalination efficient is higher, and desalinating cost is lower.
In order to realize above-mentioned first purpose, the invention provides a kind of water desalination treatment process, comprising:
Steps A, the water of needs being desalinated processing mixes flocculation treatment, so that the solubility colloid in this water, suspended substance, PM for particulate matter flocculation sediment;
Step B handles carrying out pre-flock through the water that mixes flocculation treatment, filters the colloid thing in this water;
Step C carries out uf processing to the water of handling through pre-flock;
Step D carries out reverse osmosis to the water through uf processing and handles.
Preferably, also comprise after the step D:
Step e is carried out taste removal to the water of handling through reverse osmosis and is handled, and removes the peculiar smell in this water.
Preferably, after the step C, also comprise before the step D:
Step C1 carries out pressure treatment to the water through uf processing.
Water desalination treatment process provided by the invention may further comprise the steps: the water of needs being desalinated processing mixes flocculation treatment; Handle carrying out pre-flock, filter the colloid thing in this water through the water that mixes flocculation treatment; Water to handling through pre-flock carries out uf processing; Water through uf processing is carried out reverse osmosis to be handled.
Water desalination treatment process provided by the invention; Seawater, brackish water are handled level Four through overmulling flocculation treatment, pre-flock processing, uf processing and reverse osmosis and are handled the desalination processing that can realize seawater, brackish water, and the desalination treatment process is simple, desalination efficient is higher, desalinating cost is lower.
In order to realize above-mentioned second purpose, the invention provides a kind of water desalination treatment unit, comprising:
Mix the flocculation filtration device, the water that is used for needs are desalinated processing mixes flocculation treatment;
Prefilter is used for handling carrying out pre-flock through the water that mixes flocculation treatment;
The ultra filtration filter is used for the water of handling through pre-flock is carried out uf processing;
The reverse osmosis strainer is used for that the water through uf processing is carried out reverse osmosis and handles;
The water outlet of said mixed flocculation filtration device is communicated with the water-in of said prefilter, and the water outlet of said prefilter is communicated with the water-in of said ultra filtration filter, and the water outlet of said ultra filtration filter is communicated with the water-in of said reverse osmosis strainer.
Preferably, comprise also being used for the water of crossing through the reverse osmosis filter process is carried out the preprocessor that taste removal is handled that the water-in of said preprocessor is communicated with the water outlet of said reverse osmosis strainer.
Preferably, the filter core of said preprocessor is the filter core with gac and mineral water sub-sieve filtrate.
Preferably, said prefilter is a PP cotton core prefilter.
Preferably, said reverse osmosis strainer comprises film pipe and film core.
Preferably, also be provided with HPP between said ultra filtration filter and the said reverse osmosis strainer, the water-in of said HPP is communicated with the water outlet of said ultra filtration filter, and the water outlet of said HPP is communicated with the water-in of said reverse osmosis strainer.
Preferably, the pump housing of said HPP is connected through bolt with the front end of said film pipe.
Preferably, be provided with sealing-ring between the said pump housing and the said film pipe.
Preferably, said prefilter, said ultra filtration filter, said reverse osmosis strainer, said preprocessor are contained in the framework with pre-set space through the folder hoop clip.
Preferably, the rear end of said film pipe is provided with vent valve, water discharge valve and the overload pressure limiting valve that is communicated with this film pipe.
Water provided by the invention desalination treatment unit comprises: mix the flocculation filtration device, the water that is used for needs are desalinated processing mixes flocculation treatment; Prefilter is used for that the water through the overmulling flocculation treatment is carried out pre-flock and handles; The ultra filtration filter is used for the water of handling through pre-flock is carried out uf processing; The reverse osmosis strainer is used for that the water through uf processing is carried out reverse osmosis and handles; The water outlet of said mixed flocculation filtration device is communicated with the water-in of prefilter, and the water outlet of said prefilter is communicated with the water-in of said ultra filtration filter, and the water outlet of said ultra filtration filter is communicated with the water-in of said reverse osmosis strainer.
Water desalination treatment unit provided by the invention; Seawater, brackish water can realize that through the filtration of overmulling flocculation filtration device, prefilter, ultra filtration filter and reverse osmosis strainer level Four filtration unit the desalination of seawater, brackish water handles, and the desalination treatment process is simple, desalination efficient is higher, desalinating cost is lower.
Description of drawings
Fig. 1 is the FB(flow block) of a kind of embodiment of water desalination treatment process provided by the present invention;
Fig. 2 is the structural representation of a kind of embodiment of water desalination treatment unit provided by the present invention;
Fig. 3 is the structural representation that mixes a kind of embodiment of flocculation filtration device among Fig. 2;
Fig. 4 is the structural representation that mixes the another kind of embodiment of flocculation filtration device among Fig. 2;
Fig. 5 is the structural representation that mixes the third embodiment of flocculation filtration device among Fig. 2;
Fig. 6 is the structural representation of prefilter among Fig. 2;
Fig. 7 is the structural representation of ultra filtration filter among Fig. 2;
Fig. 8 is the structural representation of preprocessor among Fig. 2;
Fig. 9 is a reverse osmosis structure of filter synoptic diagram among Fig. 2;
Figure 10 is the structural representation that HPP is connected with the reverse osmosis strainer;
Figure 11 is Figure 10 mesohigh pump structure synoptic diagram;
Figure 12 is the structural representation of reverse osmosis strainer rear end among Figure 10;
Wherein, among Fig. 1-Figure 12:
Mix flocculation filtration device 1, mix flocculation medicament 11, mix flocculation filtration device water outlet 12, switch-valve 13, prefilter 2, prefilter water-in 21, prefilter water outlet 22, ultra filtration filter 3, ultra filtration filter water-in 31, ultra filtration filter water outlet 32, reverse osmosis strainer 4, film pipe 41, film core 42, reverse osmosis water-in 43, reverse osmosis water outlet 44, strong brine relief outlet 45, sealing-ring 46, preprocessor 5, preprocessor water-in 51, preprocessor water outlet 52;
HPP 6, the pump housing 61, the first plunger hole 61-1, the second plunger hole 61-2, inlet conduit 61-3, outlet passage 61-4, pump housing water-in 61-5, the first plunger 62-1, the second plunger 62-2, fork 63, fork bearing 64, handle 65, first sealing member 66, second sealing member 67, pin 610, vacuum breaker 612;
Embodiment
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 1 is the FB(flow block) of a kind of embodiment of water desalination treatment process provided by the present invention.
As shown in Figure 1, water desalination treatment process provided by the invention may further comprise the steps.
Step S11, the water of needs being desalinated processing mixes flocculation treatment, so that the solubility colloid in this water, suspended substance, PM for particulate matter flocculation sediment.Needs are desalinated seawater, the brackish water of processing and put into mixed flocculation filtration device; Mix and have the flocculation of mixing medicament in the flocculation filtration device; Can the solubility colloid in seawater, the brackish water, suspended substance, bigger impurity such as PM for particulate matter be carried out flocculation sediment; Form the contamination precipitation thing, emit the contamination precipitation thing, can get into next step filtration treatment through the water of overmulling flocculation treatment.
Step S12 handles carrying out pre-flock through the water that mixes flocculation treatment, filters the colloid thing in this water.Water through mixing flocculation treatment gets in the prefilter, and prefilter can adopt the PP melt-blown filter, and the PP melt-blown filter can block the small colloid thing in the water that mixes flocculation treatment, plays further filtering effect.
Step S13 carries out uf processing to the water of handling through pre-flock.Before the water that overmulling flocculation treatment, pre-flock are handled is getting into reverse osmosis master strainer; Adopt the ultra-filtration membrane core that this water is carried out uf processing; Uf processing has characteristics such as cost is low, flux is big, water resistance is little, also can prolong the work-ing life of the reverse osmosis membrane core in the later step.
Step S15 carries out reverse osmosis to the water through uf processing and handles.Reverse osmosis is handled and is only allowed solvent to see through, and does not allow solute to pass through, and can remove the various solutes in anhydrating, and reduces the content of the various salt in the water, can realize the desalination of seawater, brackish water is handled.The water that will pass through uf processing enters in the reverse osmosis strainer with reverse osmosis membrane core, under the filteration of reverse osmosis membrane core, can the water that pass through uf processing be desalinated processing.
Water desalination treatment process provided by the invention; Seawater, brackish water are handled level Four through overmulling flocculation treatment, pre-flock processing, uf processing and reverse osmosis and are handled the desalination processing that can realize seawater, brackish water, and the desalination treatment process is simple, desalination efficient is higher, desalinating cost is lower.
In the preferred version,, also comprise step S16, the water of handling through reverse osmosis is carried out taste removal handle, remove the peculiar smell in this water in order to make the water of handling through reverse osmosis satisfy standard for drinking.The water of handling through reverse osmosis has satisfied the requirement of desalination, but possibly also have peculiar smell in this water, drinks the mouthfeel requirement for this water is satisfied, and adopts gac and mineral molecular sieve filtrate that it is carried out taste removal and handles.
In the preferred version, also comprise after the step S13, before the step S15: step S14, carry out pressure treatment to the water through uf processing.Handle at pre-flock, after the uf processing, reverse osmosis carries out pressure treatment to being about to get into the water that reverse osmosis handles before handling; Make this water satisfy reverse osmosis and handle requirement hydraulic pressure; This scheme makes pressure-containing member only in the reverse osmosis treatment step, has reduced the bearing requirements of corresponding device in the steps such as pre-flock processing, uf processing.
The present invention also provides a kind of water desalination treatment unit, and following examples combine accompanying drawing that this water desalination treatment unit is introduced.
As shown in Figure 2; Water desalination treatment unit provided by the invention comprises mixed flocculation filtration device 1, prefilter 2, ultra filtration filter 3, reverse osmosis strainer 4; Mix the water that flocculation filtration device 1 is used for needs are desalinated processing and mix flocculation treatment; Prefilter 2 is used for handling carrying out pre-flock through the water that mixes flocculation treatment, and ultra filtration filter 3 is used for the water of handling through pre-flock is carried out uf processing, and reverse osmosis strainer 4 is used for that the water through uf processing is carried out reverse osmosis to be handled; The water outlet that mixes flocculation filtration device 1 is communicated with the water-in of prefilter 2, and the water outlet of prefilter 2 is communicated with the water-in of ultra filtration filter 3, and the water outlet of ultra filtration filter 3 is communicated with the water-in of reverse osmosis strainer 4.
The seawater, the brackish water that needs are carried out fresh water treatment are injected in the mixed flocculation filtration device 1; Mix in the flocculation filtration device 1 and have a certain proportion of mixed flocculation medicament; Mixing flocculation filtration device 1 can emit the solubility colloid in seawater, the brackish water, suspended substance, larger particles flocculation sediment the water that will get final product after will handling after the flocculate precipitate and be disposed in the prefilter 2; Prefilter 2 will filter out the small colloid thing of the remnants that possibly exist in the water; Water after filtering through prefilter 2 is before getting into reverse osmosis strainer 4, and it carries out uf processing to adopt ultra filtration filter 3, can the silicon body glue in the water, organism etc. be filtered out; Water after process ultra filtration filter 3 filters drains into and carries out the reverse osmosis processing in the reverse osmosis strainer 4, under the filteration of reverse osmosis membrane core 42, can the water that pass through uf processing be realized the desalination processing.
Water desalination treatment unit provided by the invention; Seawater, brackish water can realize that through the filtration of overmulling flocculation filtration device 1, prefilter 2, ultra filtration filter 3 and reverse osmosis strainer 4 level Four filtration units the desalination of seawater, brackish water handles, and the desalination treatment process is simple, desalination efficient is higher, desalinating cost is lower.
In the concrete scheme; As shown in Figure 3; Mix flocculation filtration device 1 and specifically can comprise having certain volumetrical container; This container specifically can be equipped with a certain amount of mixed flocculation medicament 11 for transparent folding water bag, portable folding bucket etc. in this container, this mixes flocculation medicament 11 can carry out flocculation sediment with the solubility colloid in seawater, the brackish water, suspended substance, larger particles; The below of this container is provided with mixes flocculation filtration device water outlet 12, and this mixed flocculation filtration device water outlet 12 is provided with switch-valve 13; Carry out in the process of flocculation sediment, switch-valve 13 cuts out; Flocculation sediment finishes, and when the water after needing to handle is discharged, opens switch-valve 13, and the water after can will handling enters to prefilter 2.
The structure of mixing flocculation filtration device 1 is not limited to structure shown in Figure 3, mixes flocculation filtration device 1 and can also adopt Fig. 4, structure shown in Figure 5.
In the concrete scheme, as shown in Figure 6, prefilter 2 can be PP cotton core prefilter, and this PP cotton core prefilter has the PP melt-blown filter, and the PP melt-blown filter stops the small colloid thing in the water that mixes flocculation treatment, and the prefilter 2 of this structure more renew cartridge is convenient; Prefilter 2 has prefilter water-in 21, prefilter water outlet 22, and prefilter water-in 21 is communicated with the water outlet of mixed flocculation filtration device 1.
In the concrete scheme; As shown in Figure 7; Ultra filtration filter 3 comprises the ultra-filtration membrane core; The ultra-filtration membrane core can filter out impurity such as colloid thing in the water, organism, and this ultra filtration filter 3 has ultra filtration filter water-in 31, ultra filtration filter water outlet 32, and ultra filtration filter water-in 31 is communicated with prefilter water outlet 22.
In the preferred version, water desalination treatment unit provided by the invention also comprises preprocessor 5, and preprocessor 5, preprocessor 5 are used for that the water of handling through reverse osmosis is carried out taste removal to be handled, and the water-in of preprocessor 5 is communicated with the water outlet of reverse osmosis strainer 4.The water of handling through reverse osmosis strainer 4 has satisfied the requirement of desalination, but possibly also have peculiar smell in this water, drinks the mouthfeel requirement for this water is satisfied, and adopts preprocessor 5 that it is carried out taste removal and handles.
In the concrete scheme, as shown in Figure 8, have gac and mineral substance molecular sieve filtrate in the preprocessor 5, this sieving material can remove the peculiar smell in anhydrating, and the water after taste removal is handled can meet drinks the mouthfeel requirement; This preprocessor 5 has preprocessor water-in 51, preprocessor water outlet 52, and preprocessor water-in 51 is communicated with the water outlet of reverse osmosis strainer 4, and preprocessor water outlet 52 just is drinkable fresh water water outlet.
In the concrete scheme; As shown in Figure 9, reverse osmosis strainer 4 comprises film pipe 41, film core 42, reverse osmosis water-in 43, reverse osmosis water outlet 44, strong brine relief outlet 45, and film core 42 is positioned at film pipe 41; Film core 42 can carry out reverse osmosis to the water of crossing through uf processing to be handled; The fresh water of handling through reverse osmosis can flow out from reverse osmosis water outlet 44, discharges from strong brine relief outlet 45 through the strong brine that contains a large amount of solutes that reverse osmosis is handled, and reverse osmosis water-in 43 is communicated with ultra filtration filter water outlet 32.
In the preferred version, also be provided with HPP 6 between said ultra filtration filter 3 and the reverse osmosis strainer 4, the water-in of HPP 6 is communicated with the water outlet of ultra filtration filter 3, and the water outlet of HPP 6 is communicated with the water-in of reverse osmosis strainer 4.Handle at pre-flock, after the uf processing, before reverse osmosis handles; Adopt 6 pairs of HPPs to be about to get into the water that reverse osmosis handles and carry out pressure treatment; Make this water satisfy reverse osmosis and handle requirement hydraulic pressure; This scheme makes pressure-containing member only at reverse osmosis strainer 4, reduced the bearing requirements of prefilter 2, ultra filtration filter 3.
In the concrete scheme; HPP 6 is shown in figure 10 with the mode of connection of reverse osmosis strainer 4; HPP 6 can adopt the manual portable HPP, and the pump housing water-in of HPP 6 is communicated with the water outlet of ultra filtration filter 3, and outlet passage is communicated with the reverse osmosis water-in 43 of reverse osmosis strainer 4; The pump housing of HPP 6 can be connected through bolt with the front end of the film pipe 41 of reverse osmosis strainer 4, and the pump housing of HPP 6 and reverse osmosis strainer 4 are integrally formed the type structure; Can be between the pump housing and the film pipe 41 through sealing-ring 46 sealings.
The structure of HPP 6 is shown in figure 11, below the structure of HPP 6 is done brief account.
Shown in figure 11; HPP 6 comprises that the pump housing 61, the pump housing 61 are provided with the first plunger hole 61-1, the second plunger hole 61-2, inlet conduit 61-3, outlet passage 61-4; The feed-water end of inlet conduit 61-3 is pump housing water-in 61-5; The first plunger hole 61-1 and the second plunger hole 61-2 are arranged side by side, and are provided with the first plunger 62-1 in the first plunger hole 61-1, are provided with the second plunger 62-2 in the second plunger hole 61-2.
Wherein, Be provided with first sealing member 66 between the top of the first plunger 62-1 and the first plunger hole 61-1; Be provided with the plunger cavity that is provided with hollow between second sealing member, 67, the first sealing members 66 and second sealing member 67 between the lower end of the first plunger 62-1 and the first plunger hole 61-1, the bottom of plunger cavity is provided with outlet valve; The lower end of plunger hole is provided with water-in, and the water inlet is provided with water intaking valve; Water-in is communicated with inlet conduit 61-3, and plunger cavity is communicated with outlet passage 61-4.
When the first plunger 62-1 stretches out outside the first plunger hole 61-1; It is big that volume in the first plunger hole 61-1 becomes; Pressure in the first plunger hole 61-1 diminishes, and produces suction in the first plunger hole 61-1, and water intaking valve is opened; Outlet valve is closed, and the water in the inlet conduit 61-3 gets in the first plunger hole 61-1 through water-in; When the first plunger 62-1 compressed in the first plunger hole 61-1, the volume in the first plunger hole 61-1 diminished, and produced pressure in the first plunger hole 61-1; Water intaking valve is closed; Outlet valve is opened, and the water in the first plunger hole 61-1 is compressed the back and gets in the plunger cavity through outlet valve, makes the glassware for drinking water that gets in the plunger cavity that certain pressure arranged; Plunger cavity is communicated with outlet passage 61-4, and the water that has certain pressure in the plunger cavity can get in the film pipe 41 through outlet passage 61-4.So repeatable operation is pumped in the outlet passage 61-4 after can constantly water in the inlet conduit 61-3 being pressurizeed.
In a kind of concrete embodiment; First sealing member 66 can be two fluorine rubber rings; Second sealing-ring can be a fluorine rubber ring, and first sealing member 66 of this structure, second sealing member 67 have the better seal effect, can prevent the pressure leakage in the plunger hole; And fluorine rubber ring has stronger erosion resistance, do not need the corrosion-prone sealing-ring of frequent change.
The set-up mode of the second plunger 62-2, the second plunger hole 61-2 is similar with the set-up mode of the first plunger 62-1, the first plunger hole 61-1, introduces no longer in detail at this.
Be provided with fork 63 bearings between the first plunger 62-1 and the second plunger 62-2; The height of fork 63 bearings can be provided with according to the stroke of the first plunger 62-1, the second plunger 62-2; The bottom of fork 63 bearings and the pump housing 61 are fixing, and the upper end and the fork 63 of fork 63 bearings are hinged, and an end of fork 63 and the upper end of the first plunger 62-1 are hinged; The upper end of the other end of fork 63 and the second plunger 62-2 is hinged, and the upper end of fork 63 is connected to handle 65.
Particularly, the upper end of the first plunger 62-1 is provided with through hole, and the end of fork 63 is provided with slotted hole, and the end of the upper end of the first plunger 62-1 and fork 63 is hinged through pin 610.
Particularly, the upper end of the second plunger 62-2 is provided with through hole, and the end of fork 63 is provided with slotted hole, and the end of the upper end of the second plunger 62-2 and fork 63 is hinged through pin 610.
Handle 65 swings that link to each other with fork 63, can drive fork 63 is that swing in certain angle at the center with the upper end of bearing, the swing of fork 63 can drive the first plunger 62-1, the second plunger 62-2 carries out stretching motion.When handle 65 is swung to the first plunger 62-1 direction; The first plunger 62-1 moves downward, and in the first plunger hole 61-1, compresses, and the first plunger 62-1 carries out setting-out; Water in the first plunger hole 61-1 gets in the plunger cavity of the first plunger 62-1; The second plunger 62-2 stretches out outside the second plunger 62-2 hole 61-2, and the second plunger 62-2 absorbs water, and the water in the inlet conduit 61-3 gets in the second plunger 62-2 hole 61-2; When handle 65 is swung to the second plunger 62-2 direction; The first plunger 62-1 stretches out outside the first plunger hole 61-1; The first plunger 62-1 absorbs water, and the water in the inlet conduit 61-3 gets in the first plunger hole 61-1, and the second plunger 62-2 moves downward in the second plunger hole 61-2 and compresses; The second plunger 62-2 carries out setting-out, and the water in the second plunger hole 61-2 gets in the plunger cavity of the second plunger 62-2.
The HPP 6 of this structure can carry out manual operations, and the water of elevated pressures can be provided, and within the specific limits can step-less adjustment, can satisfy the requirement of the filter membrane applying pressure of reverse osmosis strainer 4, and is simple in structure, easy to use.
Further in the scheme, the rear end of film pipe 41 is provided with vent valve, water discharge valve and the overload pressure limiting valve that is communicated with film pipe 41.This scheme is separated vent valve, water discharge valve and overload pressure limiting valve with the HPP 6 of film pipe 41 front ends, simplified the structure of HPP 6, makes that the structure of whole water desalination treatment unit is compact more, reasonable.
In the concrete scheme; Shown in figure 12; The rear end of film pipe 41 is provided with the drainage exhaust runner 71 that not only can be used for exhaust but also can carry out draining; Drainage exhaust runner 71 is provided with and is used to control the drainage exhaust spool screw rod 72 that the drainage exhaust runner opens and closes, and drainage exhaust spool screw rod 72 both can have been done vent valve also can make water discharge valve; The rear end of film pipe 41 also is provided with release runner 73, and release runner 73 is provided with the overload pressure release valve, and this overload pressure release valve comprises pressure regulation release spool 74, pressure regulation back lash spring 75, retaining ring 76, pressure regulation release screw rod 77; Drainage exhaust runner 71, release runner 73 are all fixed through rear end plug 711, rear end cap 710, and rear end cap 710 is provided with the runner exit 79 that is used for exhaust outlet, and this runner exit 79 is communicated with drainage exhaust runner 71, release runner 73 through runner 78.
Only need when needing exhaust, draining or pressure release to get final product with the drainage exhaust spool screw rod 72 of joining socket screw hexagon wrench rotation rear end at random, the empty G&W in the film pipe 41 can be discharged from runner exit 79 from the runner 78 on drainage exhaust runner 71, plug top, back; When needing to set the WP in the film pipe 41; Still unscrew or the pressure regulation release screw rod 77 of the bottom of screwing gets final product with hexagonal spanner; When film pipe 41 pressure inside surpass the pressure of setting up; High pressure water will back down pressure regulation release spool 74, and high pressure water is just discharged from runner exit 79 behind the release runner 73 process pressure limiting valves of bottom.
In the preferred version, film core 42 rear ends are through film core 42 fracture sealing- rings 712 and 711 sealings of back plug.
In the preferred version, seal through back plug sealing-ring 713 between back plug 711 and the film pipe 41.
In the preferred version, prefilter 2, ultra filtration filter 3, reverse osmosis strainer 4, preprocessor 5 are contained in the framework with pre-set space through the folder hoop clip.In the process of using this water desalination treatment unit, framework can play certain stabilization, and prefilter 2, ultra filtration filter 3, reverse osmosis strainer 4, the preprocessor 5 of its inside played a protective role, and is convenient for carrying simultaneously and carries.
In the preferred version, the adopted food grade silica gel hose between each strainer connects, and patches the instrument that do not need by hand, in operating process, can observe the stopping state of streamflow regime and each strainer.
The above only is the description of the preferred implementation of invention; Should be pointed out that finiteness, and objectively have unlimited concrete structure owing to literal expression; For those skilled in the art; Under the prerequisite that does not break away from the principle of the invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. a water desalination treatment unit is characterized in that, comprising:
Mix the flocculation filtration device, the water that is used for needs are desalinated processing mixes flocculation treatment;
Prefilter is used for handling carrying out pre-flock through the water that mixes flocculation treatment;
The ultra filtration filter is used for the water of handling through pre-flock is carried out uf processing;
The reverse osmosis strainer is used for that the water through uf processing is carried out reverse osmosis and handles, and said reverse osmosis strainer comprises film pipe and film core;
The water outlet of said mixed flocculation filtration device is communicated with the water-in of said prefilter, and the water outlet of said prefilter is communicated with the water-in of said ultra filtration filter, and the water outlet of said ultra filtration filter is communicated with the water-in of said reverse osmosis strainer;
Also be provided with HPP between said ultra filtration filter and the said reverse osmosis strainer, the water-in of said HPP is communicated with the water outlet of said ultra filtration filter, and the water outlet of said HPP is communicated with the water-in of said reverse osmosis strainer;
Said HPP comprises the pump housing, and the pump housing is provided with first plunger hole, second plunger hole, inlet conduit and outlet passage, and the feed-water end of inlet conduit is a pump housing water-in; First plunger hole and second plunger hole are arranged side by side, and are provided with first plunger in first plunger hole, are provided with second plunger in second plunger hole; Wherein, be provided with first sealing member between the top of first plunger and first plunger hole, be provided with second sealing member between the lower end of first plunger and first plunger hole; Be provided with the plunger cavity of hollow between first sealing member and second sealing member; The bottom of plunger cavity is provided with outlet valve, and the lower end of plunger hole is provided with water-in, and the water inlet is provided with water intaking valve; Water-in is communicated with inlet conduit, and plunger cavity is communicated with outlet passage; The set-up mode of second plunger and second plunger hole is identical with the set-up mode of first plunger and first plunger hole; Be provided with the fork bearing between first plunger and second plunger; The bottom and the pump housing of fork bearing are fixed, and the upper end and the fork of fork bearing are hinged, and an end of fork and the upper end of first plunger are hinged; The upper end of the other end of fork and second plunger is hinged, and the upper end of fork is connected to handle.
2. water desalination treatment unit according to claim 1 is characterized in that, comprises also being used for the water of crossing through the reverse osmosis filter process is carried out the preprocessor that taste removal is handled that the water-in of said preprocessor is communicated with the water outlet of said reverse osmosis strainer.
3. water desalination treatment unit according to claim 2 is characterized in that the filter core of said preprocessor is the filter core with gac and mineral water sub-sieve filtrate.
4. water desalination treatment unit according to claim 1 is characterized in that said prefilter is a PP cotton core prefilter.
5. water desalination treatment unit according to claim 1 is characterized in that the pump housing of said HPP is connected through bolt with the front end of said film pipe.
6. water desalination treatment unit according to claim 5 is characterized in that, is provided with sealing-ring between the said pump housing and the said film pipe.
7. water desalination treatment unit according to claim 2 is characterized in that said prefilter, said ultra filtration filter, said reverse osmosis strainer, said preprocessor are contained in the framework with pre-set space through the folder hoop clip.
8. water desalination treatment unit according to claim 1 is characterized in that, the rear end of said film pipe is provided with vent valve, water discharge valve and the overload pressure limiting valve that is communicated with this film pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511941A CN101973655B (en) | 2010-10-11 | 2010-10-11 | Water desalting treatment process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511941A CN101973655B (en) | 2010-10-11 | 2010-10-11 | Water desalting treatment process and device |
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| Publication Number | Publication Date |
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| CN101973655A CN101973655A (en) | 2011-02-16 |
| CN101973655B true CN101973655B (en) | 2012-10-03 |
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| CN201010511941A Expired - Fee Related CN101973655B (en) | 2010-10-11 | 2010-10-11 | Water desalting treatment process and device |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102557354A (en) * | 2012-02-06 | 2012-07-11 | 马永强 | Seawater desalination process method for source water pretreatment by using biological method |
| RU2506233C2 (en) * | 2012-06-28 | 2014-02-10 | Открытое акционерное общество "НОВАТЭК" | Installation for preparation of desalinated water for synthesis-gas production |
| CN102838221B (en) * | 2012-09-19 | 2014-07-23 | 浙江省海洋水产养殖研究所 | Water for ocean aquaculture, preparation method and application |
| CN103601314B (en) * | 2013-11-01 | 2015-09-23 | 贵阳时代沃顿科技有限公司 | A kind of utilize seawater to produce oil field reinjection water treatment system and technique |
| CN106359001A (en) * | 2016-08-30 | 2017-02-01 | 山东胜伟园林科技有限公司 | Salinity control system of saline and alkaline land based on Internet of Things |
| CN106385833A (en) * | 2016-08-30 | 2017-02-15 | 山东胜伟园林科技有限公司 | Automatic salt discharge system for saline-alkali land based on Internet of Things |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100336746C (en) * | 2005-05-12 | 2007-09-12 | 邯郸钢铁股份有限公司 | Method of preparing pure water using metallurgic sewage |
| CN2900512Y (en) * | 2006-06-02 | 2007-05-16 | 浦华控股有限公司 | Drinking water treating device |
| CN101215052A (en) * | 2007-12-28 | 2008-07-09 | 张大群 | Technique and device for treating sewage to reclaimed water |
| CN101844837A (en) * | 2009-03-24 | 2010-09-29 | 东丽纤维研究所（中国）有限公司 | Reverse osmosis seawater desalination and ultrafiltration preprocessing method |
| CN201850183U (en) * | 2010-10-11 | 2011-06-01 | 浦坚 | Water desalination processing device |
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