CN101973655A - Water desalting treatment process and device - Google Patents
Water desalting treatment process and device Download PDFInfo
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- CN101973655A CN101973655A CN2010105119413A CN201010511941A CN101973655A CN 101973655 A CN101973655 A CN 101973655A CN 2010105119413 A CN2010105119413 A CN 2010105119413A CN 201010511941 A CN201010511941 A CN 201010511941A CN 101973655 A CN101973655 A CN 101973655A
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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 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, carrying out the water desalination treatment process of seawater, brackish water desalination and equipment has a variety ofly, 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, particulate matter flocculation sediment;
Step B carries out pre-flock to the water through mixing flocculation treatment and handles, and 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; Water through mixing flocculation treatment is carried out pre-flock handle, filter the colloid thing in this water; The water of handling through pre-flock is carried 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 that the water through mixing 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 described mixed flocculation filtration device is communicated with the water-in of described prefilter, and the water outlet of described prefilter is communicated with the water-in of described ultra filtration filter, and the water outlet of described ultra filtration filter is communicated with the water-in of described 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 described preprocessor is communicated with the water outlet of described reverse osmosis strainer.
Preferably, the filter core of described preprocessor is the filter core with gac and mineral water sub-sieve filtrate.
Preferably, described prefilter is a PP cotton core prefilter.
Preferably, described reverse osmosis strainer comprises film pipe and film core.
Preferably, also be provided with high-pressure pump between described ultra filtration filter and the described reverse osmosis strainer, the water-in of described high-pressure pump is communicated with the water outlet of described ultra filtration filter, and the water outlet of described high-pressure pump is communicated with the water-in of described reverse osmosis strainer.
Preferably, the pump housing of described high-pressure pump is connected by bolt with the front end of described film pipe.
Preferably, be provided with sealing-ring between the described pump housing and the described film pipe.
Preferably, described prefilter, described ultra filtration filter, described reverse osmosis strainer, described preprocessor are installed in the framework with pre-set space by clamp.
Preferably, the rear end of described 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 described mixed flocculation filtration device is communicated with the water-in of prefilter, and the water outlet of described prefilter is communicated with the water-in of described ultra filtration filter, and the water outlet of described ultra filtration filter is communicated with the water-in of described 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 high-pressure pump 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;
High-pressure pump 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, check valve 612;
Embodiment
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
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, 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, solubility colloid in seawater, the brackish water, suspended substance, bigger impurity such as particulate matter can be carried out flocculation sediment, form the contamination precipitation thing, emit the contamination precipitation thing, can enter next step filtration treatment through the water of overmulling flocculation treatment.
Step S12 carries out pre-flock to the water through mixing flocculation treatment and handles, and filters the colloid thing in this water.Water through mixing flocculation treatment enters 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 of mixed 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 entering 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.To enter through the water of uf processing in the reverse osmosis strainer with reverse osmosis membrane core, under the filteration of reverse osmosis membrane core, the water through uf processing can 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 may 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 enter the water that reverse osmosis handles before handling, make this water satisfy the requirement of reverse osmosis processing to 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 are introduced this water desalination treatment unit in conjunction with the accompanying drawings.
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 that the water through mixing flocculation treatment is carried out pre-flock to be handled, 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 be with the solubility colloid in seawater, the brackish water, suspended substance, larger particles flocculation sediment, the water after handling can be disposed in the prefilter 2 after emitting flocculate precipitate; Prefilter 2 will filter out the small colloid thing of the remnants that may exist in the water; Water after filtering through prefilter 2 is before entering reverse osmosis strainer 4, and it carries out uf processing to adopt ultra filtration filter 3, the silicon body glue in the water, organism etc. can 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 realize desalinating through the water of uf processing and handle.
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 is specifically as follows transparent folding water bag, portable folding bucket etc., a certain amount of mixed flocculation medicament 11 is housed in this container, flocculation medicament 11 should be mixed and the solubility colloid in seawater, the brackish water, suspended substance, larger particles flocculation sediment can be carried out, 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 in the time of the water after handling need being discharged, opens switch-valve 13, the water after handling can be entered 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 of mixed 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, 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 may 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, 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 high-pressure pump 6 between described ultra filtration filter 3 and the reverse osmosis strainer 4, the water-in of high-pressure pump 6 is communicated with the water outlet of ultra filtration filter 3, and the water outlet of high-pressure pump 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 high-pressure pump to be about to enter the water that reverse osmosis handles and carry out pressure treatment, make this water satisfy the requirement of reverse osmosis processing to 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, the mode of connection of high-pressure pump 6 and reverse osmosis strainer 4 as shown in figure 10, high-pressure pump 6 can adopt the manual portable high-pressure pump, and the pump housing water-in of high-pressure pump 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 high-pressure pump 6 can be connected by bolt with the front end of the film pipe 41 of reverse osmosis strainer 4, and the pump housing of high-pressure pump 6 and reverse osmosis strainer 4 form integral structure; Can be between the pump housing and the film pipe 41 by sealing-ring 46 sealings.
The structure of high-pressure pump 6 below is done simple introduction to the structure of high-pressure pump 6 as shown in figure 11.
As shown in figure 11, high-pressure pump 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, be provided with the first plunger 62-1 in the first plunger hole 61-1, be 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 second sealing member 67 between the lower end of the first plunger 62-1 and the first plunger hole 61-1, the plunger cavity that is provided with hollow between first sealing member 66 and second sealing member 67, 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, produce suction in the first plunger hole 61-1, water intaking valve is opened, outlet valve is closed, and the water in the inlet conduit 61-3 enters in the first plunger hole 61-1 by water-in; When the first plunger 62-1 compresses in the first plunger hole 61-1, volume in the first plunger hole 61-1 diminishes, produce 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 enters in the plunger cavity by outlet valve, makes the glassware for drinking water that enters in the plunger cavity that certain pressure be arranged, plunger cavity is communicated with outlet passage 61-4, and the water that has certain pressure in the plunger cavity can enter in the film pipe 41 by outlet passage 61-4.So repeatable operation can constantly will be pumped in the outlet passage 61-4 after the water pressurization in the inlet conduit 61-3.
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 frequently to change corrosion-prone sealing-ring.
The set-up mode of the second plunger 62-2, the second plunger hole 61-2 is similar to 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, the upper end and the fork 63 of fork 63 bearings are hinged, one 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 by 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 by 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, in the first plunger hole 61-1, compress, the first plunger 62-1 carries out setting-out, water in the first plunger hole 61-1 enters 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 enters 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, water in the inlet conduit 61-3 enters in the first plunger hole 61-1, 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 enters in the plunger cavity of the second plunger 62-2.
The high-pressure pump 6 of this structure can be carried 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 high-pressure pump 6 of film pipe 41 front ends, simplified the structure of high-pressure pump 6, makes that the structure of whole water desalination treatment unit is compact more, reasonable.
In the concrete scheme, as 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 by 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 by 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 operating pressure in the film pipe 41, the pressure regulation release screw rod 77 that still unscrews or screw the bottom with hexagonal spanner gets final product, 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 by film core 42 fracture sealing- rings 712 and 711 sealings of back plug.
In the preferred version, seal by 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 installed in the framework with pre-set space by clamp.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 understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (13)
1. a water desalination treatment process is characterized in that, comprising:
Steps A, the water of needs being desalinated processing mixes flocculation treatment, so that the solubility colloid in this water, suspended substance, particulate matter flocculation sediment;
Step B carries out pre-flock to the water through mixing flocculation treatment and handles, and 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.
2. water desalination treatment process according to claim 1 is characterized in that, also comprises 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.
3. water according to claim 1 and 2 desalination treatment process is characterized in that, after the step C, also comprise before the step D:
Step C1 carries out pressure treatment to the water through uf processing.
4. 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 that the water through mixing 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 described mixed flocculation filtration device is communicated with the water-in of described prefilter, and the water outlet of described prefilter is communicated with the water-in of described ultra filtration filter, and the water outlet of described ultra filtration filter is communicated with the water-in of described reverse osmosis strainer.
5. water desalination treatment unit according to claim 4 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 described preprocessor is communicated with the water outlet of described reverse osmosis strainer.
6. water desalination treatment unit according to claim 5 is characterized in that the filter core of described preprocessor is the filter core with gac and mineral water sub-sieve filtrate.
7. water desalination treatment unit according to claim 4 is characterized in that described prefilter is a PP cotton core prefilter.
8. water desalination treatment unit according to claim 4 is characterized in that described reverse osmosis strainer comprises film pipe and film core.
9. water desalination treatment unit according to claim 8, it is characterized in that, also be provided with high-pressure pump between described ultra filtration filter and the described reverse osmosis strainer, the water-in of described high-pressure pump is communicated with the water outlet of described ultra filtration filter, and the water outlet of described high-pressure pump is communicated with the water-in of described reverse osmosis strainer.
10. water desalination treatment unit according to claim 9 is characterized in that the pump housing of described high-pressure pump is connected by bolt with the front end of described film pipe.
11. water desalination treatment unit according to claim 10 is characterized in that, is provided with sealing-ring between the described pump housing and the described film pipe.
12. water desalination treatment unit according to claim 5 is characterized in that described prefilter, described ultra filtration filter, described reverse osmosis strainer, described preprocessor are installed in the framework with pre-set space by clamp.
13. water desalination treatment unit according to claim 9 is characterized in that, the rear end of described film pipe is provided with vent valve, water discharge valve and the overload pressure limiting valve that is communicated with this film pipe.
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| CN201010511941A CN101973655B (en) | 2010-10-11 | 2010-10-11 | Water desalting treatment process and device |
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| CN201010511941A CN101973655B (en) | 2010-10-11 | 2010-10-11 | Water desalting treatment process and device |
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| CN101973655A true CN101973655A (en) | 2011-02-16 |
| CN101973655B CN101973655B (en) | 2012-10-03 |
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Cited By (6)
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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 |
| CN102838221A (en) * | 2012-09-19 | 2012-12-26 | 浙江省海洋水产养殖研究所 | Water for ocean aquaculture, preparation method and application |
| RU2506233C2 (en) * | 2012-06-28 | 2014-02-10 | Открытое акционерное общество "НОВАТЭК" | Installation for preparation of desalinated water for synthesis-gas production |
| CN103601314A (en) * | 2013-11-01 | 2014-02-26 | 贵阳时代沃顿科技有限公司 | Processing system and process for preparing oilfield reinjection water by use of seawater |
| 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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| 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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| CN101973655B (en) | 2012-10-03 |
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