CN208964678U - A kind of water treatment system for sea water desalination - Google Patents

Abstract

The utility model discloses a kind of water treatment systems for sea water desalination, including sequentially connected primary sedimentation tank, sterilization pool, film filtration tank, coagulative precipitation tank, reverse osmosis unit and fresh water tanks, the film filtration tank includes tower body, the water inlet at the top of tower body, set on intracorporal first filtration members of tower, the liquid reserve tank below first filtration members, the rinsing module for being cleaned to the first filter assemblies and the first driving assembly for driving tower body to vibrate up and down.Structure setting is reasonable, and filter residue will not be deposited in filtration members, can effectively avoid the blocking of filter opening, it is ensured that the desalination of the water-flowing amount of film filtration tank, entire water treatment system is high-efficient.

Description

A kind of water treatment system for sea water desalination

Technical field

The utility model belongs to field of sea water desalting technology, more particularly, to a kind of water process system for sea water desalination System.

Background technique

China is the country of a water resource critical shortage, there is a urban water shortage more than 400, wherein 108 are serious water shortage City, thus it is great during how solving shortage of fresh water or even water crisis and will being China's sustainable development of socio-economy Project, but the water treatment system of existing sea water desalination easily caused usually because filter plant structure setting is unreasonable The blocking of part is filtered, and then leads to the decline of water flux, has seriously affected the purification efficiency of entire water treatment system.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides the sea that a kind of structure setting is reasonable, desalination is high-efficient The water treatment system of water desalination.

To achieve the goals above, the utility model uses a kind of following technical scheme: water process for sea water desalination System, including sequentially connected primary sedimentation tank, sterilization pool, film filtration tank, coagulative precipitation tank, reverse osmosis unit and fresh water tanks, institute Film filtration tank is stated to include tower body, the water inlet at the top of tower body, be set to intracorporal first filtration members of tower, be set to first mistake Filter the liquid reserve tank below part, the rinsing module for being cleaned to the first filter assemblies and for driving tower body to vibrate up and down First driving assembly；By just precipitating, sterilizing, film filter, coagulating sedimentation and reverse osmosis cooperation are handled, can be by seawater It is effective to carry out desalination, and then improve the utilization rate of seawater；It may make film filtration tank whole by the setting of the first driving assembly Body is vibrated up and down, and then tower body can drive the first filtration members to be vibrated during vibration, and the first filtration members are being shaken It can effectively avoid filter residue in dynamic process to accumulate in the first filtration members for a long time, not will cause the stifled of filter opening in the first filtration members Plug influences the filter effect of the first filtration members；Compared with it can only control the first filtration members vibrated, the first driving group The setting of part may make the first filtration members side-to-side vibrations but also can not only vibrate up and down, and then may make the filter residue in the first filtration members The shaking for generating different directions, can further enhance the gap between filter residue, be conducive to seawater quickly through the first filtration members reality Existing filtration treatment, can further improve the purification efficiency of film filtration tank.

Further, first driving assembly includes first turn that the first actuator, one end are connected with the first actuator Axis, the first helical gear being connected with the first rotating shaft other end, the second helical gear matched with first helical gear and The second shaft and the eccentric wheel matched with the second shaft other end that one end is connected with second helical gear, it is described inclined Heart wheel is matched by a support component with the tower body；First rotating shaft is driven to rotate by the first actuator, and first rotating shaft The first helical gear is driven to rotate, the first helical gear drives the second helical gear to rotate during rotating, and then the second helical gear is logical It crosses the second shaft band movable eccentric wheel to rotate, cooperates the up-down vibration, it can be achieved that tower body with tower body during eccentric wheel rotation, And then intracorporal first filtration members of tower that can make are vibrated, and be can effectively avoid the blocking filter opening in the first filtration members, be can be improved The purification efficiency of first filtration members.

Further, the support component includes supporting element, the first groove in the supporting element and is set to described Connector in first groove, the connector are connected with the tower body outer bottom；Tower can be improved in the setting of support component Stabilizing member when body vibrates under the driving of the first driving assembly, it is ensured that the normal operation work of film filtration tank.

Further, the support component includes an elastic component, and one end of the elastic component acts on the connector, The other end of the elastic component acts on first groove；The setting of elastic component, which can slow down, to be connected in vibration processes to support On the one hand the collision effect of part can further improve the stability of tower body vibration, on the other hand can reduce connector and supporting element Abrasion, improve the service life of component.

Further, the water inlet is equipped with a sleeve assembly；Water inlet is equipped with a sleeve assembly, the tower body that can make The water inlet pipe that be connected to water inlet will not be caused to shake during vibration, so that film filtration tank is during vibration Other equipment will not be had an impact.

Further, the sleeve assembly include set on the outer sleeve of the water inlet, the tube body in outer sleeve, Set on the raised and matched with the bulge sliding slot of the tube wall, the sliding slot is set to the inner wall of the outer sleeve； By the mutual cooperation of protrusion and sliding slot, it may make outer sleeve that can slide along tube body when vibrating with tower body, i.e. tower body Vibration tube body will not be had an impact.

Further, the rinsing module includes the water that the first catheter, water inlet end are connected with one end of the first catheter The second catheter that pump and one end are connected with the water pump water outlet end, the other end of first catheter protrudes into tower body and institute It states liquid reserve tank to be connected, the second catheter other end protrudes into tower body the top for being set to first filtration members；Rinsing module Setting the first filtration members can be rinsed so that filter residue will not be deposited on the surface of the first filtration members, it is ensured that seawater exists Water flux in film filtration tank can further improve seawater in the purification speed of film filtration tank；The first mistake will have been passed through simultaneously The seawater of filter part processing returns to again carries out filter operation in the first filtration members, can further improve the clean-up effect to seawater, In addition directly use being arranged so that no longer need to that additional water is used to be rinsed for seawater, can high degree saving water resource.

Further, second catheter is equipped with multiple Flushing nozzles；The setting of multiple Flushing nozzles may make from The seawater returned in liquid reserve tank is uniformly injected in the first filtering will be upper, can further improve flushing of the seawater to the first filter screen Effect, and then the first filter screen can be improved to the purification efficiency of seawater.

In conclusion filter residue will not be deposited in filtration members the beneficial effects of the utility model are: structure setting is reasonable, It can effectively avoid the blocking of filter opening, it is ensured that the desalination of the water-flowing amount of film filtration tank, entire water treatment system is high-efficient.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the utility model film filtration tank.

Fig. 3 is the enlarged drawing in Fig. 2 at A.

Fig. 4 is the diagrammatic cross-section of turntable at A-A in Fig. 2.

Specific embodiment

In order to make those skilled in the art better understand the utility model, below in conjunction with the utility model reality The attached drawing in example is applied, the technical solutions in the embodiments of the present invention are clearly and completely described.

A kind of water treatment system for sea water desalination as shown in Figs 1-4, including sequentially connected primary sedimentation tank 1, sterilization Pond 2, film filtration tank 3, coagulative precipitation tank 4, reverse osmosis unit 5 and fresh water tanks 6；The just shallow lake pond 1 is heavy for traditional flat flow Details are not described herein for shallow lake pond, specific structure and principle；The film filtration tank 3 is used to carry out the solid granule to suspend in seawater Processing, specifically, the film filtration tank 3 includes tower body 31, the first filtration members 32, liquid reserve tank 33, the second filtration members 34 and first Driving assembly 37, first driving assembly 37 is for driving tower body 31 to vibrate up and down, specifically, first driving assembly 37 Including the first actuator 371, first rotating shaft 372, the first helical gear 373, the second helical gear 374, the second shaft 375 and eccentric wheel 376, first actuator 371 is the motor directly bought on the market, and details are not described herein for specific structure and principle, described One shaft 372 and the second shaft 375 are metal shaft, and one end of the first rotating shaft 372 is defeated with first actuator 371 Outlet is connected, and the other end is connected with first helical gear 373, the flank of tooth of first helical gear 373 and second helical teeth The flank of tooth of wheel 374 is meshed, and one end of second shaft 375 is connected with second helical gear 374, the other end with it is described inclined Heart wheel 376 is connected, and the eccentric wheel 376 is the common eccentric wheel directly bought on the market, and specific structure and principle are herein no longer It repeats；First rotating shaft rotation is driven by the first actuator, first rotating shaft drives the rotation of the first helical gear, the rotation of the first helical gear During drive the second helical gear rotate, the second helical gear drive the second shaft rotation, the second shaft band movable eccentric wheel rotate, The eccentric wheel 376 is matched by a support component 38 with the tower body 31, so that cocoa drives during eccentric wheel rotates Dynamic tower body is vibrated up and down, and then intracorporal first filtration members of the tower that can make are vibrated, and can effectively avoid the first filtration members On filter block filter opening, the purification efficiency of the first filtration members can be improved, in addition the first filtration members vibration during, between filter residue Certain gap can be generated, is conducive to seawater and quickly contacts realization filtration treatment with the first filtration members, can further improve film mistake The purification efficiency of filter tower, and then the purification efficiency of entire water treatment system can be improved；The setting of the support component 38 can be improved Stabilizing member when tower body vibrates under the driving of the first driving assembly, it is ensured that the normal operation work of film filtration tank, tool Body, the support component 38 includes supporting element 381, the first groove 382 and connector 383, and the supporting element 381 is a metal Block, first groove 382 are set on the supporting element 381, and the connector 383 is a metalwork, 383 part of connector In first groove 382, the connector 383 is welded in the tower body 31, it is preferred that the support component 38 is also wrapped An elastic component 384 is included, the described elastic component 384 is a rubber block, which is that one end is connected to first groove On 382, the other end can be in contact with the connector 383, which is provided with two altogether, and the setting of the elastic component can slow down It is connected to the collision effect in vibration processes to supporting element, on the one hand can further improve the stability of tower body vibration, another party Face can reduce the abrasion of connector and supporting element, improve the service life of component；Preferably, it is vibrated to improve entire tower body Stability, second helical gear, the second shaft, eccentric wheel and support component are symmetrically provided with two relative to the first actuator The synchronism that two eccentric wheels act can be improved by an actuator driving running, in this way setting in group, in this way setting, can be into one Step ensure that the stability of tower body vibration；

The tower body 31 is a metal tower, and the top of the tower body 31 is equipped with a water inlet 311, sets in the water inlet 311 A sleeve assembly is set, the tower body that can make will not cause to shake during vibration to the water inlet pipe for being connected to water inlet, into And film filtration tank will not be had an impact during vibration to other equipment；Specifically, the sleeve assembly includes outer Sleeve, tube body, protrusion and sliding slot, the outer sleeve are set at the water inlet 311, are specially welded on the top of tower body 31, The tube body is a metal tube, which is set in the outer sleeve, and the protrusion is a metal block, is welded on the tube body On outer wall, the sliding slot is a groove being set in the outer sleeve, and the protrusion matches with the sliding slot, when protrusion can be When being slided in sliding slot, it may make outer sleeve that can slide along tube body when vibrating with tower body, i.e., the vibration of tower body is not Tube body can be had an impact, the tube body is connected by flange with an inlet tube 312, which is a PPR pipe, institute The bottom side for stating tower body 31 is equipped with water outlet 313, which is again provided with a body component, in the body component at this Outer sleeve body is bending, remaining structure and function is identical, therefore details are not described herein；Tube body at the water outlet 313 By one outlet tube 314 of flanged joint, treated seawater enters next treatment process by the outlet tube 314；

First filtration members 32 are used to carry out purified treatment to seawater, are welded with a metal in first filtration members 32 Filter membrane, the tower body 31 is interior to be equipped with the first supporting element 315, which is welded on described by metallic material In tower body 31, first filtration members 32 can the side-to-side vibrations on first supporting element 315, one end of first filtration members 32 It is connected with the first connecting rod 321, which is a metallic rod, is welded in first filtration members 32, institute The other end for stating first connecting rod 321 is equipped with one first hemisphere 322, and first hemisphere 322 is made of metal material, and welds It connects on first connecting rod 321, other end connection and one first connection component 323 of first filtration members 32, specifically, institute Stating the first connection component 323 includes the first elastic component 324 and the first groove 325, and first elastic component 324 is a spring, should One end of first elastic component 324 is connected in first filtration members 32, and the other end is connected on first groove 325, institute The first groove 325 is stated on the inner wall of the tower body 31；Second filtration members 34 are used to handle by the first filtration members Seawater afterwards carries out further purified treatment, carries out filtration treatment twice to seawater, the filter effect of seawater can be improved；This A metallic filtering film is welded in two filtration members 34, and the aperture of the metallic filtering film in the second filtration members 34 is less than described first The aperture of metallic filtering film in filtration members 32, is equipped with the second supporting element 316 in the tower body 31, second supporting element 316 by Metallic material is welded in the tower body 31, and second filtration members 34 can the left and right vibration on second supporting element 316 Dynamic, one end of second filtration members 34 is connected with second connecting rod 341, which is a metallic rod, weldering It connecing in second filtration members 34, the other end of second extension bar 341 is equipped with one second hemisphere 342, and described the second half Sphere 342 is made of metal material, and is welded in the second connecting rod 341, the other end connection and one of second filtration members 34 Second connection component 343, specifically, second connection component 343 includes the second elastic component 344 and the second groove 345, it is described Second elastic component 344 is a spring, and one end of second elastic component 344 is connected in second filtration members 34, and the other end connects It connects on second groove 345, second groove 345 is set on the inner wall of the tower body 31；The film filtration tank 3 also wraps Driving assembly 35 is included, the driving component 34 is used for while first filtration members 32 and the second filtration members 34 being driven to carry out a left side Right vibration, specifically, the driving component 35 includes actuator 351, shaft 352, turntable 353 and multiple raised 354, it is described Actuator 351 is the motor directly bought on the market, and details are not described herein for specific structure and principle, which passes through electricity Line is electrically connected with a switch, which is ship type switch, and controllable first actuator opens or closes, and the shaft 352 is one Metal shaft, one end of the shaft 352 are connected with the output end of the actuator 351, and the other end is connected with the turntable 353, institute Stating turntable 353 is a metal dish, and the multiple raised 354 be hemispherical metal bump, is set along the turntable 353 is circumferentially-spaced On 353 on the turntable, specially it is welded on the turntable 353；Working principle are as follows: the rotation of actuator drive shaft turns Axis drives turntable rotation, and then the protrusion on turntable follows turntable to be rotated together, when turntable in the course of rotation, when convex When rising with the collision of the first hemisphere, it can make first connecting rod that the first filtration members be driven to be vibrated, when protrusion and the second hemisphere When collision, it can make the second connecting rod that the second filtration members be driven to be vibrated, be vibrated in the first filtration members and the second filtration members During the filter residue in the first filtration members or the second filtration members can be driven to be vibrated, can effectively avoid filter residue by first filtering Part and the blocking of the filter opening of the second filtration members, while filter residue can make between filter residue and filter residue that there are gaps in the process of vibration, make Purified treatment can be carried out normal through filtration members by obtaining seawater, and then be greatly improved the purification efficiency to seawater；Turntable and protrusion Setting the purpose that actuator drives two filtration members to be vibrated simultaneously can be achieved, both made structure simple, failure rate Low, that goes back high degree reduces energy consumption, has saved cost；The meeting pair during vibration of first filtration members and the second filtration members Tower body is hit, and the setting of the first connection component or the second connection component can slow down the first filtration members or the second filtration members to tower The shock of body not only can be improved the stability of film filtration tank, but also can reduce the abrasion of two filtration members, improve two filtration members Service life；Other first hemisphere and the second hemispheroidal setting, can convenient for protrusion smoothly with first connecting rod and second The cooperation of connecting rod effectively prevents protrusion and first connecting rod or the stuck feelings for causing turntable that can not rotate of the second connecting rod Condition further improves the operation stability of entire film filtration tank；

The sterilization pool 2 is existing ozone sterilization pond, and details are not described herein for specific structure and principle, which uses It carries out disinfection sterilization in seawater, since the seawater come out from sterilization pool 2 can be first by first filtration members 32 progress Filtration treatment, so that can have more filter residues in the first filtration members 32, in order to improve the filtering effect of the first filtration members 32 into one Fruit is also provided with rinsing module 36 on film filtration tank 3, specifically, the rinsing module 36 includes the first catheter 361, more A Flushing nozzle 362, water pump 363 and the second catheter 364, first catheter 361 and the second catheter 364 are PPR Pipe, one end of first catheter 361 is protruded into tower body 31 to be connected with the liquid reserve tank 33, and the liquid reserve tank 33 is a gold medal Belong to case, support plate 317 is equipped in the tower body 31, which is metal plate, is welded in the tower body 31, the storage Liquid case 33 is welded in the support plate 317, which sets there are two water outlet 331, is set in the liquid reserve tank 33 There is a blender 332, which is the propeller mixer directly bought on the market, which passes through one Waterproof machine driving, the blender 332 can be stirred the seawater in liquid reserve tank, prevent impurity deposition in waste liquid from influencing The mouth of a river normally goes out liquid, and then influences subsequent purification run；First catheter, 361 other end passes through flange and the water It pumps 363 water inlet ends to be connected, the water pump 363 is the common water pump directly bought on the market, and specific structure and principle are herein no longer It repeats, which is electrically connected by electric wire and a switch, which is a ship type quick closing valve, and controllable water pump opens or closes, One end of second catheter 364 is connected with the water outlet of the water pump 363, and the other end of second catheter 364 protrudes into In tower body 31, positioned at the top of first filtration members 32, multiple Flushing nozzles are bolted on the second catheter 364 at this 362, multiple Flushing nozzle 362 is the water mist spraying head directly bought on the market, and details are not described herein for specific structure and principle, punching The setting for washing component can be rinsed the first filtration members, so that filter residue will not be deposited on the surface of the first filtration members, it is ensured that Water flux of the seawater in film filtration tank can further improve seawater in the purification speed of film filtration tank；It will pass through simultaneously The seawater of first filtration members processing returns to again carries out filter operation in the first filtration members, can further improve the purification to seawater In addition effect directly use being arranged so that no longer need to that additional water is used to be rinsed for seawater, can high degree saving water Resource；The setting of multiple Flushing nozzles may make the seawater returned out of liquid reserve tank to be uniformly injected in the first filtration members, can Seawater is further increased to the flushing effect of the first filtration members, and then the first filtration members can be improved to the purification efficiency of seawater；

The flocculant that the coagulative precipitation tank 4 uses is polymeric aluminum sulfate iron, which is traditional partition Flocculation basin, the coagulative precipitation tank 4 further decrease turbidity for removing except the impurity such as colloid in seawater；The reverse osmosis unit 5 For the reverse osmosis unit of common sea water desalination, details are not described herein for specific structure and principle；The fresh water tanks are by coagulation Civil engineering is made, and is collected to the seawater after purified treatment, is spare.

Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts The range of the utility model protection all should belong in every other embodiment.

Claims (8)

1. a kind of water treatment system for sea water desalination, including sequentially connected primary sedimentation tank (1), sterilization pool (2), film filtration tank (3), coagulative precipitation tank (4), reverse osmosis unit (5) and fresh water tanks (6), it is characterised in that: the film filtration tank (3) includes tower Body (31), the water inlet (311) being set at the top of tower body (31), the first filtration members (32) being set in tower body (31), be set to it is described It liquid reserve tank (33) below first filtration members (32), the rinsing module (36) for being cleaned to the first filter assemblies and is used for The first driving assembly for driving tower body (31) to vibrate up and down.

2. a kind of water treatment system for sea water desalination according to claim 1, it is characterised in that: first driving Component includes the first rotating shaft (372) that the first actuator (371), one end are connected with the first actuator (371) and described first turn Connected the first helical gear (373) of axis (372) other end, the second helical gear (374) matched with first helical gear and The second shaft (375) and matched with the second shaft (375) other end that one end is connected with second helical gear (374) Eccentric wheel (376), the eccentric wheel (376) matched with the tower body (31) by a support component.

3. a kind of water treatment system for sea water desalination according to claim 2, it is characterised in that: the support component Including supporting element (381), the first groove (382) being set in the supporting element (381) and it is set in first groove (382) Connector (383), the connector (383) is connected with the tower body (31) outer bottom.

4. a kind of water treatment system for sea water desalination according to claim 3, it is characterised in that: the support component It further include an elastic component (384), one end of the elastic component (384) acts on the connector (383), the elastic component (384) the other end acts on first groove (382).

5. a kind of water treatment system for sea water desalination according to claim 1, it is characterised in that: the water inlet (311) sleeve assembly is equipped at.

6. a kind of water treatment system for sea water desalination according to claim 5, it is characterised in that: the sleeve assembly Including be set to the water inlet (311) at outer sleeve, the tube body in outer sleeve, set on the tube wall protrusion and Sliding slot matched with the bulge, the sliding slot are set to the inner wall of the outer sleeve.

7. a kind of water treatment system for sea water desalination according to claim 1, it is characterised in that: the rinsing module The water pump (363) that is connected including the first catheter (361), water inlet end with one end of the first catheter (361) and one end with it is described Connected the second catheter (364) in water pump (363) water outlet, the other end of first catheter (361) protrude into tower body (31) Interior to be connected with the liquid reserve tank (33), the second catheter (364) other end, which protrudes into, is set to first mistake in tower body (31) Filter the top of part (32).

8. a kind of water treatment system for sea water desalination according to claim 7, it is characterised in that: second drain It manages (364) and is equipped with multiple Flushing nozzles (362).