CN111265919A

CN111265919A - High efficiency desalination water treatment system

Info

Publication number: CN111265919A
Application number: CN202010158843.XA
Authority: CN
Inventors: 金周平; 薛银辉; 褚惠忠; 王金江; 吕天奇
Original assignee: Zhejiang Sunstone Water Treatment Co ltd
Current assignee: Zhejiang Sunstone Water Treatment Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-12
Anticipated expiration: 2040-03-09
Also published as: CN111265919B

Abstract

The invention discloses a high-efficiency desalted water treatment system, which comprises a seawater pool, a dosing device, a hydraulic clarification tank, a multi-media filter and a valveless filter, and is characterized in that: the multi-media filter comprises a barrel body, a water distributor arranged at the upper end of the barrel body, a smokeless coal layer fixedly arranged in the barrel body, a quartz sand layer fixedly arranged in the barrel body and arranged below the smokeless coal layer, a cobble layer fixedly arranged in the barrel body and arranged below the quartz sand layer, and a backwashing device used for cleaning the smokeless coal layer, the quartz sand layer and the cobble layer; the invention ensures that the water distribution is uniform, the filtration and the back washing are carried out simultaneously, and the efficient filtration of the seawater is ensured.

Description

High efficiency desalination water treatment system

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a high-efficiency desalted water treatment system.

Background

The seawater desalting process needs to use a multi-medium filter, the multi-medium filter is made of high-quality uniform-grain filter materials such as anthracite, quartz sand, cobblestones and the like, the filter materials are scientifically and orderly distributed in the filter according to the specific gravity and the grain size of the filter, and one or more filter media are used for enabling water with higher turbidity to pass through grains with moving thickness under moving pressure, so that the process of clarifying the water by effectively removing suspended impurities is realized. After the existing multi-media filter is used for a period of time, the filtering efficiency is gradually reduced, and the multi-media filter needs to be stopped from filtering and subjected to backwashing; the existing multi-media filter has the defects of non-uniform water distribution and low water distribution efficiency.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a high-efficiency desalted water treatment system, so that the water distribution is uniform, the filtration and the back washing are carried out simultaneously, and the high-efficiency filtration of the seawater is ensured.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a high efficiency demineralized water processing system, includes sea water basin, charge device, hydraulic clarification tank, multi-media filter, valveless filter, multi-media filter includes the staving, locate the water-locator of staving upper end, fix the smokeless coal seam of locating in the staving, locate the quartz sand layer of smokeless coal seam below fixed locating in the staving, locate the cobble layer of quartz sand layer below fixed locating in the staving, be used for clearing up smokeless coal seam and quartz sand layer and cobble layer's back flush unit, the water-locator includes the inlet tube, rotates the carousel of locating the inlet tube bottom, runs through the drive shaft that locates in the inlet tube and the lower extreme and the fixed setting of carousel, fixes the first spiral of locating drive shaft and send the ground paste, by inboard outside annular distribution multiunit flow distribution board group of carousel, be located multiunit flow distribution board group simultaneously and be located the chassis under the carousel, locate the first delivery port that a plurality of slopes set up between the, The water baffle is fixedly arranged on one side of the first water outlet, the plurality of annular convex blocks are fixedly arranged at the center of the chassis, the plurality of second water outlets which are vertically arranged downwards are arranged between two adjacent annular convex blocks, and the first motor is used for driving the driving shaft to rotate; seawater firstly passes through the water distributor, enters between the turntable and the chassis through a water inlet pipe on the water distributor, drives the driving shaft to rotate through the first motor, thereby driving the turntable and the chassis to rotate together, and the first spiral feeding slurry on the driving shaft to rotate, the seawater is divided by the multi-component flow plate group, the divided seawater uniformly falls on the smokeless coal bed through a plurality of first water outlets, the seawater is filtered through the smokeless coal bed, the seawater filtered through the smokeless coal bed falls on the quartz sand layer and is filtered through the quartz sand layer, the seawater filtered through the quartz sand layer falls on the cobble layer and is finally filtered through the cobble layer, the filtered seawater is discharged through a water outlet at the lower end of the barrel body and enters into additional treatment equipment, and the smokeless coal bed, the quartz sand layer and the cobble layer are subjected to back washing through a back washing device in the filtering process. The invention firstly leads the seawater to be evenly distributed through the water distributor, the seawater enters between the turntable and the chassis through the water inlet pipe on the water distributor, the driving shaft is driven to rotate through the first motor, thereby driving the turntable and the chassis to rotate together, and the first spiral feeding slurry on the driving shaft rotates, the seawater is divided by the multi-component flow plate group, so the seawater flows outwards from the center of the turntable, in the rotating process of the turntable and the chassis, the seawater rotates together, the rotating speed of the seawater is slower than that of the turntable and the chassis, thereby the multi-component flow plate group has good flow dividing effect, simultaneously the blockage caused by the formation of sediment between the turntable and the chassis can be avoided, the divided seawater uniformly falls on the coal seam through a plurality of first water outlets, the seawater can rapidly pass through the first water outlets through the arrangement of the first water outlets and the arrangement of the water baffle plate for separating part of the seawater, the extending section at the upper part of the water baffle can block partial seawater, so that the seawater can pass through the first water outlet in an accelerated manner, the extending section at the lower part of the baffle can prevent sundries in the seawater at the first water outlet from attaching to the lower end of the chassis, the chassis is inconvenient to rotate due to long-time accumulation, the first water outlet can be prevented from being blocked by the arrangement, the slurry can be prevented from blocking the water inlet pipe by rotating the first spiral conveying slurry, meanwhile, a certain suction force is provided for the water inlet pipe, so that the seawater can rapidly flow into the space between the turntable and the chassis through the water inlet pipe, a certain wave can be generated in the outward flowing process of the seawater at the center of the turntable through a plurality of annular convex blocks arranged on the chassis, the sundries in the seawater can be prevented from attaching to the turntable and the chassis, partial seawater can fall on a smokeless coal layer through the second water outlet, the seawater can, the seawater is filtered by the quartz sand layer, the seawater filtered by the quartz sand layer falls on the cobble layer and is finally filtered by the cobble layer, the filtered seawater is discharged from a water outlet at the lower end of the barrel body and enters other treatment equipment, and the smokeless coal layer, the quartz sand layer and the cobble layer are filtered and back-washed simultaneously by a back-washing device in the filtering process.

The smokeless coal bed is the same as the quartz sand layer and the cobble layer in structure, the smokeless coal bed comprises a filter box, a hollow pipe which can be rotatably arranged at the center of the filter box, a movable ring which is sleeved on the hollow pipe and can be vertically moved on the filter box, a plurality of inserting plates which are distributed on the movable ring in an equidistant annular mode and penetrate through the filter box, a plurality of groups of arc-shaped plate groups which are positioned between two adjacent inserting plates and fixedly arranged on the filter box in an annular mode, and a first driving assembly used for driving the movable ring to vertically move, each arc-shaped plate group comprises a plurality of arc-shaped partition plates, the arc-shaped plate groups are sequentially enlarged from the center of the filter box outwards, and the anthracite is placed on the filter box and is; anthracite is spread in the filter box, the anthracite in the filter box is separated by a plurality of flashboards and arc-shaped board groups, and then the separated anthracite is sequentially backwashed by a backwashing device, so that the anthracite can be backwashed in batches, the anthracite which is not backwashed can be continuously filtered, thereby realizing the filtering and back flushing, having the regional sealing effect through the arc-shaped plate group, the flashboard and the back flushing device, leading the sea water filtered by the anthracite to be used for back flushing in the back flushing process, namely, the backwashing of the quartz sand is carried out by utilizing seawater filtered by the quartz sand, and the backwashing of the cobblestones is carried out conveniently and quickly, meanwhile, the consumption of water is effectively saved, the first driving component drives the movable ring to move up and down, therefore, the plurality of inserting plates on the moving ring move up and down, and the inserting plates move down to avoid the blockage in the moving process of the backwashing device.

The first driving assembly comprises an annular groove formed in the inner wall of the moving ring, a plurality of strip-shaped holes which are distributed on the hollow pipe in an annular mode at equal intervals, a moving plate respectively arranged on the annular groove and the strip-shaped holes, a pull rod rotatably arranged on the moving plate, and a hydraulic cylinder for driving the pull rod to move up and down; the hydraulic cylinder drives the pull rod to move up and down, so that the movable plate moves up and down, the movable plate moves up and down along the strip-shaped holes, the hollow tube is driven to rotate in the rotating process through the annular groove, the movable ring is fixed, the movable plate and the pull rod are rotatably arranged, so that the pull rod is fixed, namely the movable ring is not rotated in the rotating process of the hollow tube, and the hydraulic cylinder can drive the movable ring to move up and down to realize complementary interference.

The back washing device comprises a sector seat which is simultaneously positioned on the arc plate groups and is fixedly arranged on the hollow pipe, an arc cavity arranged in the sector seat, a plurality of guide strips arranged at the upper end of the inner wall of the arc cavity, a plurality of suction heads which are communicated with the arc cavity and are inserted in anthracite and positioned between the adjacent arc plate groups, a first conical funnel, a second conical funnel and a third conical funnel which are fixedly arranged on the pull rod, second spiral slurry conveying arranged in the pull rod, a second motor used for driving the second spiral slurry conveying to rotate, a fixed seat arranged below the barrel body, a first gear which is sleeved on the hollow pipe and is rotatably arranged on the fixed seat, a second gear which is rotatably arranged on the fixed seat and is meshed with the first gear, a third motor used for driving the second gear to rotate, a plurality of push blocks arranged on the inner side of the sector seat, a first arc surface and a second arc surface which are arranged on the push blocks, the arc-shaped cavity is communicated with the hollow pipe; the second gear is driven to rotate by a third motor, the second gear is meshed with the first gear to drive the first gear to rotate, the first gear is fixedly sleeved on the hollow pipe to drive the hollow pipe to rotate in the axis of the hollow pipe, the sector seat is driven to integrally rotate in the rotating process of the hollow pipe to enable a plurality of suction heads arranged on the sector seat to rotate, the suction heads are positioned in anthracite, the lower end of the pull rod is connected with a water pump to generate suction to the pull rod, so that the suction to the arc-shaped cavity is generated, namely, the suction to the plurality of suction heads is generated, sundries in the anthracite can be sucked into the arc-shaped cavity by the suction of the suction heads, the sundries and seawater in the arc-shaped cavity can be moved while rotating by arranging a plurality of guide bars in the arc-shaped cavity, the blockage caused by the accumulation of the sundries in the arc-shaped cavity is avoided, and the second spiral slurry, therefore, the effect of removing sundries is improved, sundries are prevented from being accumulated in the pull rod, and the first conical funnel, the second conical funnel and the third conical funnel are arranged, so that the sundries subjected to anthracite backwashing, the sundries subjected to quartz sand backwashing and the sundries subjected to cobblestone backwashing can quickly enter the pull rod and are discharged from the pull rod; the suction head removes the picture peg decline to picture peg department, the plug of being convenient for can keep removing, it seals up fan-shaped seat below anthracite to organize and fan-shaped seat through picture peg and arc, make the sea water can pass through in the filter cartridge reverse entering anthracite, the setting through the ejector pad can be to the anthracite after the recoil flattening processing, avoid the anthracite unevenness influence to filter, can push away better level and smooth to anthracite through first arcwall face, set up through the second arcwall face and make too much anthracite can be located on it, avoid the anthracite too much to pile up this department on the first arcwall face, the influence pushes away the flat effect, the anthracite not enough replenishment that can be quick on the arcwall face.

The suction head comprises a head body, a plurality of inclined holes which are arranged on the head body from top to bottom and are inclined upwards, a plurality of wave plates which are fixedly arranged on two sides of the head body and are inclined upwards, a plurality of convex parts arranged at the bottom of the inclined holes, a plurality of cylindrical suction pipes which are communicated with the head body and are arranged on the inclined holes and two sides of the head body, and a plurality of water suction ports arranged on the end surface and the upper and lower ends of the cylindrical suction pipes; through the inclined hole on the head body, the anthracite coal is moved upwards in the moving process of the head body, the resistance of the head body is reduced, meanwhile, the anthracite coal is turned over, the tubular suction pipe can better suck sundries in the anthracite coal into the arc-shaped cavity, the plurality of protruding parts arranged at the bottom of the inclined hole can enable the anthracite coal moving upwards to shake while moving, so that the sundries attached to the anthracite coal are quickly separated and sucked into the arc-shaped cavity, the wave plate effect is the same as the effect of the inclined hole and the protruding parts, the water suction opening on the tubular suction pipe is arranged, the water suction opening can be prevented from being blocked by the anthracite coal, namely, the moving direction of the tubular suction pipe is vertical to the direction of the water suction opening, partial anthracite coal sucked at the water suction opening can be moved through the tubular suction pipe, the anthracite coal is pushed to each other, even if the sucked anthracite coal is, the adsorption force of the anthracite at the water absorption port can be greatly reduced; anthracite is moved up and down through the inclined holes and the wave plates, and the head body moves to the middle after the head body moves, so that the anthracite positioned on the two sides of the head body can move to the middle, the next backwashing is facilitated, namely all the anthracite can be washed through continuous backwashing, and the problem that the washing is incomplete is avoided.

The invention has the following advantages: seawater enters between the rotary table and the base plate through a water inlet pipe on the water distributor, the driving shaft is driven to rotate through the first motor, so that the rotary table and the base plate are driven to rotate together, the first spiral feeding slurry on the driving shaft rotates, the seawater is divided by the multi-component flow plate group, the seawater flows outwards from the center of the rotary table, in the rotating process of the rotary table and the base plate, the seawater rotates at a speed slower than the rotating speed of the rotary table and the base plate, a good flow dividing effect is achieved by the multi-component flow plate group, simultaneously, the blockage caused by the formation of sediment between the rotary table and the base plate can be avoided, the divided seawater uniformly falls on a smokeless coal bed through a plurality of first water outlets, the seawater can rapidly pass through the first water outlets through the arrangement of the first water outlets and the arrangement that the water baffle plate is used for separating part of seawater, and the, the filtration process is carried out the back flush to smokeless coal seam and quartz sand layer and cobble layer while filtering through back flush device, to sum up can make the water distribution even, filters and the back flush is gone on simultaneously, ensures that the high efficiency filters the sea water.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a sectional view taken along line B-B of fig. 3.

Fig. 6 is a partial structural schematic diagram of the water distributor.

Fig. 7 is a sectional view taken along line C-C of fig. 3.

Fig. 8 is a cross-sectional view taken along line D-D of fig. 7.

FIG. 9 is a schematic view of the structure of the suction head.

Fig. 10 is an enlarged view of fig. 9 at B.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-10, a high-efficiency desalted water treatment system comprises a seawater pool, a dosing device, a hydraulic clarification tank, a multi-media filter and a valveless filter, wherein the multi-media filter comprises a barrel body 1, a water distributor 2 arranged at the upper end of the barrel body, a smokeless coal bed 3 fixedly arranged in the barrel body, a quartz sand layer 4 fixedly arranged in the barrel body below the smokeless coal bed, a cobble layer 5 fixedly arranged in the barrel body below the quartz sand layer, and a backwashing device 6 for cleaning the smokeless coal bed, the quartz sand layer and the cobble layer, the water distributor 2 comprises a water inlet pipe 21, a rotary disc 22 rotatably arranged at the bottom end of the water inlet pipe, a driving shaft 23 fixedly arranged in the water inlet pipe and having the lower end fixed with the rotary disc, a first spiral slurry feeding 24 fixedly arranged on the driving shaft, a multi-group flow distribution plate group 25 annularly distributed from the inner side of the rotary disc to the outer side, and a chassis 26, The water distributor comprises a plurality of first water outlets 27 arranged between adjacent splitter groups in an inclined manner, a water baffle 28 fixedly arranged on one side of each first water outlet, a plurality of annular convex blocks 29 fixedly arranged at the center of the chassis, a plurality of second water outlets 210 arranged between two adjacent annular convex blocks in a vertically downward manner, and a first motor 211 for driving a driving shaft to rotate, wherein each splitter group is arranged in a staggered manner, and each splitter group 25 comprises a plurality of inclined plates 251 arranged in an inclined manner; firstly, seawater is uniformly distributed through a water distributor, the seawater enters between a rotary disc and a base disc through a water inlet pipe on the water distributor, a driving shaft is driven to rotate through a first motor, so that the rotary disc and the base disc are driven to rotate together, a first spiral feeding slurry on the driving shaft rotates, the seawater is divided through a plurality of flow plate groups, so that the seawater flows outwards from the center of the rotary disc, in the rotating process of the rotary disc and the base disc, the seawater rotates along with the rotary disc at a speed slower than the rotary disc and the base disc, a good flow dividing effect is achieved through the plurality of flow plate groups, simultaneously, the blockage caused by precipitation formed between the rotary disc and the base disc can be avoided, the divided seawater uniformly and smokeless falls on a coal bed through a plurality of first water outlets, the seawater can rapidly pass through the first water outlets through the arrangement of the first water outlets and the arrangement of a water baffle plate, the extending section at the upper part of the water baffle can block partial seawater, so that the seawater can pass through the first water outlet in an accelerated manner, the extending section at the lower part of the baffle can prevent sundries in the seawater at the first water outlet from attaching to the lower end of the chassis, the chassis is inconvenient to rotate due to long-time accumulation, the first water outlet can be prevented from being blocked by the arrangement, the slurry can be prevented from blocking the water inlet pipe by rotating the first spiral conveying slurry, meanwhile, a certain suction force is provided for the water inlet pipe, so that the seawater can rapidly flow into the space between the turntable and the chassis through the water inlet pipe, a certain wave can be generated in the outward flowing process of the seawater at the center of the turntable through a plurality of annular convex blocks arranged on the chassis, the sundries in the seawater can be prevented from attaching to the turntable and the chassis, partial seawater can fall on a smokeless coal layer through the second water outlet, the seawater can, the seawater is filtered by the quartz sand layer, the seawater filtered by the quartz sand layer falls on the cobble layer and is finally filtered by the cobble layer, the filtered seawater is discharged from a water outlet at the lower end of the barrel body and enters other treatment equipment, and the smokeless coal layer, the quartz sand layer and the cobble layer are filtered and back-washed simultaneously by a back-washing device in the filtering process.

The smokeless coal bed 3, the quartz sand layer 4 and the cobblestone layer 5 are identical in structure, the smokeless coal bed 3 comprises a filter box 31, a hollow pipe 32 which is rotatably arranged at the center of the filter box, a moving ring 33 which is sleeved on the hollow pipe and can be vertically moved on the filter box, a plurality of inserting plates 34 which are annularly distributed at equal intervals and fixedly arranged on the moving ring and penetrate through the filter box, a plurality of groups of annularly distributed arc-shaped plate groups 35 which are positioned between two adjacent inserting plates and fixedly arranged on the filter box, and a first driving assembly 36 for driving the moving ring to vertically move, wherein each arc-shaped plate group 35 comprises a plurality of arc-shaped partition plates 351, the arc-shaped plate groups are sequentially enlarged from the center of the filter box to the outside, and the anthracite is placed on the filter box and is; the first driving assembly 36 comprises an annular groove 361 formed in the inner wall of the moving ring, a plurality of strip-shaped holes 362 distributed on the hollow pipe in an annular mode at equal intervals, a moving plate 363 respectively formed on the annular groove and the strip-shaped holes, a pull rod 364 rotatably arranged on the moving plate, and a hydraulic cylinder 365 used for driving the pull rod to move up and down; the hydraulic cylinder drives the pull rod to move up and down, so that the movable plate moves up and down, the movable plate moves up and down along the strip-shaped holes, the hollow tube is driven to rotate in the rotating process through the annular groove, the movable ring is fixed, the movable plate and the pull rod are rotatably arranged, so that the pull rod is fixed, namely the movable ring is not rotated in the rotating process of the hollow tube, and the hydraulic cylinder can drive the movable ring to move up and down to realize complementary interference. Anthracite is spread in the filter box, the anthracite in the filter box is separated by a plurality of flashboards and arc-shaped board groups, and then the separated anthracite is sequentially backwashed by a backwashing device, so that the anthracite can be backwashed in batches, the anthracite which is not backwashed can be continuously filtered, thereby realizing the filtering and back flushing, having the regional sealing effect through the arc-shaped plate group, the flashboard and the back flushing device, leading the sea water filtered by the anthracite to be used for back flushing in the back flushing process, namely, the backwashing of the quartz sand is carried out by utilizing seawater filtered by the quartz sand, and the backwashing of the cobblestones is carried out conveniently and quickly, meanwhile, the consumption of water is effectively saved, the first driving component drives the movable ring to move up and down, therefore, the plurality of inserting plates on the moving ring move up and down, and the inserting plates move down to avoid the blockage in the moving process of the backwashing device.

The back washing device 6 comprises a sector seat 61 which is simultaneously positioned on a plurality of arc-shaped plate groups and is fixedly arranged on the hollow pipe, an arc-shaped cavity 62 arranged in the sector seat, a plurality of guide strips 63 arranged at the upper end of the inner wall of the arc-shaped cavity, a plurality of suction heads 64 which are communicated with the arc-shaped cavity and are inserted in anthracite and positioned between the adjacent arc-shaped plate groups, a first conical funnel 65, a second conical funnel 66 and a third conical funnel 67 which are fixedly arranged on the pull rod, a second spiral slurry conveying 68 arranged in the pull rod, a second motor 69 for driving the second spiral slurry conveying to rotate, a fixed seat 610 arranged below the barrel body, a first gear 611 which is sleeved on the hollow pipe and is rotatably arranged on the fixed seat, a second gear 612 which is rotatably arranged on the fixed seat and is meshed with the first gear, a third motor 613 for driving the second gear to rotate, a plurality of push blocks 614 arranged on the inner side of the sector seat, a first arc-shaped surface 615 and a second, the arc-shaped cavity is communicated with the hollow pipe; the suction head 64 comprises a head body 641, a plurality of inclined holes 642 which are arranged on the head body from top to bottom and incline upwards, a plurality of wave plates 643 which are fixedly arranged on two sides of the head body and incline upwards, a plurality of convex parts 644 arranged at the bottom of the inclined holes, a plurality of cylindrical suction pipes 645 which are communicated with the head body and arranged on the inclined holes and two sides of the head body, and a plurality of water suction ports 646 which are arranged on the end surface and the upper and lower ends of the cylindrical suction pipes; through the inclined hole on the head body, the anthracite coal is moved upwards in the moving process of the head body, the resistance of the head body is reduced, meanwhile, the anthracite coal is turned over, the tubular suction pipe can better suck sundries in the anthracite coal into the arc-shaped cavity, the plurality of protruding parts arranged at the bottom of the inclined hole can enable the anthracite coal moving upwards to shake while moving, so that the sundries attached to the anthracite coal are quickly separated and sucked into the arc-shaped cavity, the wave plate effect is the same as the effect of the inclined hole and the protruding parts, the water suction opening on the tubular suction pipe is arranged, the water suction opening can be prevented from being blocked by the anthracite coal, namely, the moving direction of the tubular suction pipe is vertical to the direction of the water suction opening, partial anthracite coal sucked at the water suction opening can be moved through the tubular suction pipe, the anthracite coal is pushed to each other, even if the sucked anthracite coal is, the adsorption force of the anthracite at the water absorption port can be greatly reduced. The second gear is driven to rotate by a third motor, the second gear is meshed with the first gear to drive the first gear to rotate, the first gear is fixedly sleeved on the hollow pipe to drive the hollow pipe to rotate in the axis of the hollow pipe, the sector seat is driven to integrally rotate in the rotating process of the hollow pipe to enable a plurality of suction heads arranged on the sector seat to rotate, the suction heads are positioned in anthracite, the lower end of the pull rod is connected with a water pump to generate suction to the pull rod, so that the suction to the arc-shaped cavity is generated, namely, the suction to the plurality of suction heads is generated, sundries in the anthracite can be sucked into the arc-shaped cavity by the suction of the suction heads, the sundries and seawater in the arc-shaped cavity can be moved while rotating by arranging a plurality of guide bars in the arc-shaped cavity, the blockage caused by the accumulation of the sundries in the arc-shaped cavity is avoided, and the second spiral slurry, therefore, the effect of removing sundries is improved, sundries are prevented from being accumulated in the pull rod, and the first conical funnel, the second conical funnel and the third conical funnel are arranged, so that the sundries subjected to anthracite backwashing, the sundries subjected to quartz sand backwashing and the sundries subjected to cobblestone backwashing can quickly enter the pull rod and are discharged from the pull rod; the suction head removes the picture peg decline to picture peg department, the plug of being convenient for can keep removing, it seals up fan-shaped seat below anthracite to organize and fan-shaped seat through picture peg and arc, make the sea water can pass through in the filter cartridge reverse entering anthracite, the setting through the ejector pad can be to the anthracite after the recoil flattening processing, avoid the anthracite unevenness influence to filter, can push away better level and smooth to anthracite through first arcwall face, set up through the second arcwall face and make too much anthracite can be located on it, avoid the anthracite too much to pile up this department on the first arcwall face, the influence pushes away the flat effect, the anthracite not enough replenishment that can be quick on the arcwall face.

The first motor, the second motor and the third motor are commercially available.

Claims

1. The utility model provides a high efficiency desalination water treatment system, includes sea water pond, charge device, water conservancy clarification pond, multi-media filter, valveless filter, its characterized in that: the multi-media filter comprises a barrel body (1), a water distributor (2) arranged at the upper end of the barrel body, a smokeless coal bed (3) fixedly arranged in the barrel body, a quartz sand layer (4) fixedly arranged in the barrel body below the smokeless coal bed, a cobble layer (5) fixedly arranged in the barrel body below the quartz sand layer, and a backwashing device (6) used for cleaning the smokeless coal bed, the quartz sand layer and the cobble layer, wherein the water distributor (2) comprises a water inlet pipe (21), a rotary disc (22) rotatably arranged at the bottom end of the water inlet pipe, a driving shaft (23) which is fixedly arranged in the water inlet pipe and is fixedly arranged at the lower end of the water inlet pipe and the rotary disc, a first spiral slurry conveying body (24) fixedly arranged on the driving shaft, a multi-group flow distribution plate group (25) annularly distributed from the inner side of the rotary disc to the outer side, a chassis (26) simultaneously positioned on the multi-group flow, The water baffle plate assembly comprises a water baffle plate (28) fixedly arranged on one side of a first water outlet, a plurality of annular convex blocks (29) fixedly arranged at the center of the chassis, a plurality of second water outlets (210) arranged between two adjacent annular convex blocks and a first motor (211) used for driving a driving shaft to rotate, wherein each group of flow distribution plate assemblies are arranged in a staggered mode, and each flow distribution plate assembly (25) comprises a plurality of inclined plates (251) which are obliquely arranged.

2. A high efficiency desalinated water treatment system according to claim 1, wherein: smokeless coal seam (3) and quartz sand layer (4) and cobble layer (5) structure are the same, smokeless coal seam (3) are including filtering box (31), rotatable hollow tube (32) of locating filtering box center department, overlap on the hollow tube and can reciprocate shift ring (33) of locating on filtering the box, equidistance annular distribution is fixed locate on the shift ring and run through a plurality of picture pegs (34) on filtering the box, be located between two adjacent picture pegs and fixed locate multiunit annular distribution's on filtering the box arc group (35), be used for driving the first drive assembly (36) that the shift ring reciprocated, arc group (35) include a plurality of arc division boards (351), arc group is by filtering the outside grow in proper order in box center, anthracite is put on filtering the box and highly and picture peg removal highest point flushes.

3. A high efficiency desalinated water treatment system according to claim 2, wherein: the first driving assembly (36) comprises an annular groove (361) formed in the inner wall of the moving ring, a plurality of strip-shaped holes (362) formed in the hollow tube in an annular distribution mode at equal intervals, a moving plate (363) formed in the annular groove and the strip-shaped holes respectively, a pull rod (364) rotatably arranged on the moving plate, and a hydraulic cylinder (365) used for driving the pull rod to move up and down.

4. A high efficiency desalinated water treatment system according to claim 1, wherein: the back washing device (6) comprises a sector seat (61) which is simultaneously positioned on the arc plate groups and is fixedly arranged on the hollow pipe, an arc-shaped cavity (62) which is arranged in the sector seat, a plurality of guide strips (63) which are arranged at the upper end of the inner wall of the arc-shaped cavity, a plurality of suction heads (64) which are communicated with the arc-shaped cavity, inserted in anthracite and positioned between the adjacent arc plate groups, a first conical funnel (65), a second conical funnel (66) and a third conical funnel (67) which are fixedly arranged on the pull rod, a second spiral slurry conveying device (68) which is arranged in the pull rod, a second motor (69) for driving the second spiral slurry conveying device to rotate, a fixing seat (610) which is arranged below the barrel body, a first gear (611) which is sleeved on the hollow pipe and is rotatably arranged on the fixing seat, a second gear (612) which is rotatably arranged on the fixing seat and is meshed with the first gear, a third, The fan-shaped base comprises a plurality of push blocks (614) arranged on the inner side of the fan-shaped base, a first arc-shaped surface (615) and a second arc-shaped surface (616) arranged on the push blocks, and the arc-shaped cavity is communicated with the hollow pipe.

5. A high efficiency desalinated water treatment system according to claim 4, wherein: the suction head (64) comprises a head body (641), a plurality of inclined holes (642) which are arranged on the head body from top to bottom and are inclined upwards, a plurality of wave plates (643) which are fixedly arranged on two sides of the head body and are inclined upwards, a plurality of convex parts (644) arranged at the bottom of the inclined holes, a plurality of cylindrical suction pipes (645) which are communicated with the head body and are arranged on the inclined holes and two sides of the head body, and a plurality of water suction ports (646) arranged on the end surface and the upper and lower ends of the cylindrical suction pipes.