CN116272381A - Sea water desalinator - Google Patents
Sea water desalinator Download PDFInfo
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- CN116272381A CN116272381A CN202310370981.8A CN202310370981A CN116272381A CN 116272381 A CN116272381 A CN 116272381A CN 202310370981 A CN202310370981 A CN 202310370981A CN 116272381 A CN116272381 A CN 116272381A
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- 239000013535 sea water Substances 0.000 title claims abstract description 83
- 239000012528 membrane Substances 0.000 claims abstract description 105
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 73
- 108090000862 Ion Channels Proteins 0.000 claims abstract description 69
- 102000004310 Ion Channels Human genes 0.000 claims abstract description 69
- 239000013505 freshwater Substances 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000010612 desalination reaction Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 108091006146 Channels Proteins 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to a seawater desalination device, which comprises a box body, a separation assembly, a pressurizing assembly and a winding and unwinding assembly, wherein the box body is provided with a plurality of grooves; the partition assembly includes a housing and a closure; the shell is arranged in the box body to divide the box body into a sea water cavity and a membrane changing cavity; the shell is internally provided with a membrane channel, both ends of the membrane channel are communicated with the membrane exchange cavity, and the blocking piece is connected with both ends of the membrane channel in a matched manner and used for opening or closing both ends of the membrane channel; a fresh water cavity is formed at the inner side of the shell, a through hole group penetrating through the membrane channel is formed in the shell, and the sea water cavity is communicated with the fresh water cavity through the through hole group and the membrane channel; the pressurizing assembly is arranged in the sea water cavity, and the pressurizing end is in sliding and sealing connection with the sea water cavity; the winding and unwinding assembly is arranged in the film changing cavity and comprises an unwinding end and a winding end, the reverse osmosis film is wound on the unwinding end, and the free end of the reverse osmosis film penetrates through the film channel and is connected with the winding end. According to the invention, the separation assembly and the winding and unwinding assembly are used for realizing the automatic movement membrane replacement process of the reverse osmosis membrane, so that the frequency of replacing the reverse osmosis membrane is effectively reduced.
Description
Technical Field
The invention belongs to the technical field of sea water desalination, and particularly relates to a sea water desalinator.
Background
Seawater cannot be used directly because of its very high salt content. Among them, the reverse osmosis membrane method has been widely used because it has a very wide application range and a high desalination rate. The reverse osmosis membrane method is to extract sea water, perform preliminary treatment to reduce sea water turbidity and prevent bacteria, algae and other microbes from growing, and then to pressurize with special high pressure pump to make sea water enter the reverse osmosis membrane to obtain the required fresh water.
However, as the use time of the reverse osmosis membrane increases, foreign materials accumulate on the surface of the reverse osmosis membrane, which reduces the permeability of the reverse osmosis membrane, and the operation of frequently replacing the reverse osmosis membrane affects the desalination efficiency of sea water.
Disclosure of Invention
The invention aims to solve the technical problems of the prior art, and provides a seawater desalination device which can realize the automatic movement membrane replacement process of a reverse osmosis membrane through a separation assembly and a winding and unwinding assembly, thereby effectively reducing the frequency of replacing the reverse osmosis membrane.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a seawater desalination device comprises a box body, a separation assembly, a pressurizing assembly and a winding and unwinding assembly; the partition assembly includes a housing and a closure; the shell is arranged in the box body to divide the interior of the box body into a sea water cavity and a membrane changing cavity; a membrane channel is arranged in the shell, two ends of the membrane channel are communicated with the membrane exchange cavity, and the plugging ends of the plugging piece are connected with the two ends of the membrane channel in a matched manner so as to open or close the two ends of the membrane channel; a fresh water cavity is formed at the inner side of the shell, a through hole group penetrating through the membrane channel is formed in the shell, and the sea water cavity is communicated with the fresh water cavity through the through hole group and the membrane channel; the pressurizing assembly is arranged in the seawater cavity of the box body, and the pressurizing end of the pressurizing assembly is in sliding and sealing connection with the seawater cavity and is used for squeezing seawater in the seawater cavity into the fresh water cavity; the winding and unwinding assembly is arranged in the film changing cavity of the box body and comprises an unwinding end and a winding end, the reverse osmosis film is wound on the unwinding end, and the free end of the reverse osmosis film penetrates through the film channel and is connected with the winding end.
In the above scheme, the shell comprises a partition plate, an inner plate and an outer plate, wherein the partition plate is arranged in the box body and divides the interior of the box body into the sea water cavity and the membrane changing cavity, the inner plate and the outer plate are both arranged in the sea water cavity, and both sides of the inner plate and the outer plate extend into the membrane changing cavity through the partition plate; the membrane channel is formed between the inner plate and the outer plate, and the fresh water cavity is formed between the inner plate and the partition plate.
In the scheme, the partition plate is a flat plate, and the inner plate and the outer plate are arc-shaped plates and are arranged in parallel.
In the above scheme, the planking is located the both ends of trading the membrane chamber are offered respectively with trade the recess that the membrane chamber is linked together, the shutoff end of shutoff piece with recess looks adaptation is used for opening or seal the membrane passageway.
In the above scheme, the plugging piece comprises a plugging plate and a first driving piece; the sealing plate is in sliding and sealing connection with the groove, the sealing plate can slide to a first position and a second position, when the sealing plate slides to the first position, the sealing plate is completely clamped in the groove, the membrane channel and the membrane exchange cavity are arranged at intervals, when the sealing plate slides to the second position, the sealing plate is partially clamped in the groove or is positioned outside the groove, and the membrane channel and the membrane exchange cavity are communicated; the output end of the first driving piece is connected with the plugging plate and used for driving the plugging plate to slide.
In the scheme, the box body is provided with a seawater inlet and a seawater outlet which are communicated with the seawater cavity, the seawater inlet is positioned above the seawater outlet, the box body is provided with a fresh water outlet which is communicated with the fresh water cavity, and the fresh water outlet is arranged at the bottom of the fresh water cavity.
In the above scheme, the pressurizing assembly comprises a pressurizing plate and a second driving piece; the seawater cavity is formed among the pressurizing plate, the inner wall of the box body and the outer wall of the shell, one side of the pressurizing plate is in sliding and sealing connection with the inner wall of the box body, and the other side of the pressurizing plate is in sliding and sealing connection with the outer wall of the shell; the output end of the second driving piece is connected with the pressurizing plate and used for driving the pressurizing plate to slide.
In the above scheme, receive and release the roll subassembly and include parallel arrangement's unreel roller and wind-up roll, be used for installing reverse osmosis membrane roll on the unreeling roller, the free end of reverse osmosis membrane pass behind the membrane passageway with the wind-up roll is connected.
In the above scheme, unreeling roller and wind-up roll all include roll body and motor, the vertical setting of roll body, and the bottom with the box rotates to be connected, the motor with box fixed connection, the output of motor with the roll body is connected.
In the above scheme, receive and release the roll subassembly still including set up in between unreeling roller and the membrane passageway and the spacing roller group between membrane passageway and the wind-up roll, spacing roller group all has a spacing clearance, reverse osmosis membrane from one of them spacing clearance penetrates to the membrane passageway, and the part of wearing out the membrane passageway passes another spacing clearance with the wind-up roll is connected.
The invention has the beneficial effects that:
1. according to the invention, the membrane channel is arranged in the separation component, and the automatic moving membrane changing process of the reverse osmosis membrane is realized by matching with the winding and unwinding component, so that the frequency of changing the reverse osmosis membrane is effectively reduced, and the sea water desalination efficiency is improved. When the reverse osmosis membrane needs to be replaced, the two sides of the membrane channel are opened through the plugging end of the plugging piece, the reverse osmosis membrane roll in the membrane replacing cavity is driven to rotate through the unreeling end, the function of unreeling the reverse osmosis membrane is achieved, meanwhile, under the effect of the reeling end, the reverse osmosis membrane is enabled to move in the membrane channel until a new reverse osmosis membrane is completely located in the membrane channel, finally, the process of replacing the membrane can be completed through the two sides of the plugging end of the plugging piece, the traditional process of needing to cut the reverse osmosis membrane is replaced, the purchased reverse osmosis membrane roll can be directly used, and meanwhile, the frequency of replacing the reverse osmosis membrane is effectively reduced.
2. The plugging piece has the function of opening or closing two sides of the membrane channel, and also has the function of pressing two sides of the reverse osmosis membrane positioned in the membrane channel on the arc-shaped inner plates, so that the reverse osmosis membrane in the high-pressure membrane channel is prevented from shifting in the process of preparing fresh water.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the overall internal structure of a seawater desalination plant according to an embodiment of the present invention;
FIG. 2 is a schematic top view of the sea water desalinator of FIG. 1;
FIG. 3 is a front perspective view of the housing of the desalination apparatus of FIG. 1;
FIG. 4 is a rear perspective view of the housing of the desalination apparatus of FIG. 1;
FIG. 5 is a side view of the plug member of the seawater desalination apparatus of FIG. 1;
fig. 6 is a schematic diagram of the structure of an unwind roll or a wind-up roll in the seawater desalination apparatus shown in fig. 1.
In the figure: 100. a case; 110. a fresh water cavity; 120. sea water cavity; 130. changing a membrane cavity; 140. a seawater inlet; 150. a seawater outlet; 160. a fresh water outlet;
200. a partition assembly; 210. a housing; 211. a partition plate; 212. an arc inner plate; 213. an arc-shaped outer plate; 220. a blocking member; 221. a plugging plate; 222. a cylinder; 230. a membrane channel; 240. a group of through holes; 250. a groove;
300. a pressurizing assembly; 310. a pressurizing plate;
400. a winding and unwinding assembly; 410. an unreeling roller; 420. a wind-up roll; 430. a limit roller set; 440. a roller body; 450. a motor; 460. a tray; 470. and a limit rod.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 3, the seawater desalination device according to the embodiment of the present invention includes a tank 100, a separation assembly 200, a pressurizing assembly 300, and a winding and unwinding assembly 400. The partition assembly 200 includes a housing 210 and two plugs 220; the casing 210 is placed in the tank 100 to divide the interior of the tank 100 into a seawater chamber 120 and a membrane exchange chamber 130; the inside of the shell 210 is provided with a membrane channel 230, both ends of the membrane channel 230 are communicated with the membrane exchange cavity 130, and the blocking ends of the two blocking pieces 220 are respectively connected with both ends of the membrane channel 230 in a matched manner so as to open or close both ends of the membrane channel 230; the inner side of the housing 210 forms the fresh water chamber 110, the housing 210 is provided with a through hole group 240 penetrating through the membrane channel 230, and the sea water chamber 120 is communicated with the fresh water chamber 110 through the through hole group 240 and the membrane channel 230. The pressurizing assembly 300 is installed in the sea water chamber 120 of the tank 100, and the pressurizing end of the pressurizing assembly 300 is slidably and sealingly connected with the sea water chamber 120 to squeeze the sea water in the sea water chamber 120 into the fresh water chamber 110. The winding and unwinding assembly 400 is installed in the film changing cavity 130 of the case 100, and includes an unwinding end and a winding end, the reverse osmosis film is wound on the unwinding end, and a free end of the reverse osmosis film passes through the film channel 230 and is connected with the winding end.
In practice, the seawater in the seawater cavity 120 is squeezed by the pressurizing assembly 300, and passes through the reverse osmosis membrane in the membrane channel 230 by the through hole group 240 under the action of external force, so that the required fresh water enters the fresh water cavity 110, and in the process, the blocking ends of the blocking piece 220 block the two ends of the membrane channel 230; when the reverse osmosis membrane is used for a period of time, because foreign matters are accumulated on the surface of the reverse osmosis membrane, at the moment, the reverse osmosis membrane needs to be replaced, both sides of the membrane channel 230 are opened through the plugging ends of the plugging piece 220, the reverse osmosis membrane roll in the membrane replacing cavity 130 is driven to rotate through the unreeling end, the function of unreeling the reverse osmosis membrane is realized, and meanwhile, the reverse osmosis membrane is enabled to move along the inside of the membrane channel 230 under the action of the reeling end until a new reverse osmosis membrane is completely located in the membrane channel 230; finally, the membrane replacing process can be completed by closing the two sides of the membrane channel 230 through the blocking end of the blocking piece 220, the traditional process of cutting the reverse osmosis membrane is replaced, the purchased reverse osmosis membrane roll can be directly used, and meanwhile, the frequency of replacing the reverse osmosis membrane is effectively reduced.
The case 100 in this embodiment has a structure for supporting the partition assembly 200, the pressurizing assembly 300, and the winding and unwinding assembly 400.
In one embodiment, the tank 100 is provided with a seawater inlet 140 and a seawater outlet 150 in communication with the seawater chamber 120, the seawater inlet 140 being located above the seawater outlet 150; the tank 100 is provided with a fresh water outlet 160 in communication with the fresh water chamber 110, the fresh water outlet 160 being provided at the bottom of the fresh water chamber 110.
The partition assembly 200 in this embodiment is a structure for partitioning the internal cavity of the tank 100, and at the same time, provides a moving path for the replacement of the reverse osmosis membrane.
As shown in fig. 3-4, in one embodiment, the housing 210 includes a bulkhead 211, an arcuate inner plate 212, and an arcuate outer plate 213; the baffle 211 is arranged in the box body 100 and divides the interior of the box body 100 into a sea water cavity 120 and a membrane changing cavity 130, the arc-shaped inner plate 212 and the arc-shaped outer plate 213 are arranged in the sea water cavity 120, both sides of the arc-shaped inner plate 212 penetrate through the baffle 211 and extend into the membrane changing cavity 130, the top and the bottom of the arc-shaped outer plate 213 are fixedly connected through a connecting plate, a fresh water cavity 110 is formed among the arc-shaped inner plate 212, the two connecting plates and the baffle 211, and a membrane channel 230 is formed among the arc-shaped inner plate 212, the two connecting plates and the arc-shaped outer plate 213. The arc-shaped outer plate 213 is provided with a groove 250 communicated with the membrane changing cavity 130 at a part of the membrane changing cavity 130, and the blocking end of the blocking piece 220 is communicated with the groove 250 to open or close the membrane channel 230.
In addition to the function of opening or closing the two sides of the membrane channel 230, the plugging member 220 in this embodiment also has the function of pressing the two sides of the reverse osmosis membrane in the membrane channel 230 against the arc-shaped inner plate 212, so as to avoid the deviation of the reverse osmosis membrane in the high-pressure membrane channel 230 during the process of preparing fresh water.
In one embodiment, the arc inner plate 212 and the arc outer plate 213 are each provided with a through hole group 240, and the through hole groups 240 each include a plurality of through holes equally spaced along the length and width directions of the arc inner plate 212 or the arc outer plate 213.
As shown in fig. 5, in one embodiment, the blocking member 220 includes a blocking plate 221, the blocking plate 221 is slidably and sealingly connected to the groove 250, the blocking plate 221 is slidable to a first position and a second position, when the blocking plate 221 slides to the first position, the blocking plate 221 is completely embedded in the groove 250, the membrane channel 230 is spaced from the membrane exchange cavity 130, when the blocking plate 221 slides to the second position, the blocking plate 221 is partially embedded in the groove 250 or is located outside the groove 250, and the membrane channel 230 is in communication with the membrane exchange cavity 130. The first driving member such as the air cylinder 222 may drive the blocking plate 221 to move.
The width of the membrane channel 230 is larger than the thickness of the reverse osmosis membrane.
The pressurizing assembly 300 in the present embodiment is a structure for pressurizing the seawater chamber 120 so that the seawater in the seawater chamber 120 passes through the reverse osmosis membrane into the fresh water chamber 110.
In one embodiment, the pressurizing assembly 300 includes a pressurizing plate 310, the inner wall of the case 100 and the outer wall of the housing 210 form the sea cavity 120, one side of the pressurizing plate 310 is slidably and sealingly connected with the inner wall of the case 100, the other side of the pressurizing plate 310 is slidably and sealingly connected with the outer wall of the housing 210, and the pressurizing assembly 300 further includes a second driving member, an output end of which is connected with the pressurizing plate 310 for driving the pressurizing plate 310 to slide.
The winding and unwinding assembly 400 in this embodiment is a structure for pulling the reverse osmosis membrane to move within the membrane channel 230. The winding and unwinding assembly 400 includes an unwinding end and a winding end disposed in the film exchange cavity 130, a reverse osmosis film is wound on the unwinding end, and a free end of the reverse osmosis film passes through the film channel 230 and is connected with the winding end.
In one embodiment, the winding and unwinding assembly 400 includes an unwinding roller 410 and a winding roller 420 disposed in parallel, wherein the unwinding roller 410 is used for installing a reverse osmosis membrane roll, and a free end of the reverse osmosis membrane is connected to the winding roller 420 through the membrane channel 230.
As shown in fig. 6, in one embodiment, the unreeling roller 410 and the reeling roller 420 each include a roller body 440 and a motor 450, the roller body 440 is vertically disposed, the bottom end of the roller body is rotatably connected with the box 100, the motor 450 is fixedly connected with the box 100, and the output end of the motor 450 is connected with the roller body 440.
It should be noted that, during the movement of the reverse osmosis membrane in the membrane channel 230, the unreeling roller 410 should stop the unreeling operation and stop at the current position, and then the reeling roller 420 stops the reeling operation after a period of time and stops at the current position, so that the reverse osmosis membrane in the membrane channel 230 can be tightly attached to the arc-shaped inner plate 212, and the influence on the seawater desalination process due to the existence of wrinkles and the like in the membrane channel 230 caused by the reverse osmosis membrane is avoided.
In one embodiment, a tray 460 is fixedly connected to the bottom of the roller 440 for supporting the reverse osmosis membrane in a roll shape.
In one embodiment, the device further comprises two limiting roller sets 430, wherein each of the two limiting roller sets 430 has a limiting gap, the reverse osmosis membrane penetrates into the membrane channel 230 from one of the limiting gaps, and the portion penetrating out of the membrane channel 230 passes through the other limiting gap to be connected with the wind-up roller 420.
In order to facilitate fixing the roller body 440, in one embodiment, a limiting rod 470 is fixedly connected to the inner top wall of the box body 100, and the bottom end of the limiting rod 470 is tapered and is embedded in a tapered groove formed in the top of the roller body 440, so as to limit non-circumferential movement of the roller body 440.
Compared with the prior art: the seawater in the seawater cavity 120 is extruded by the pressurizing assembly 300, the seawater passes through the reverse osmosis membrane positioned in the membrane channel 230 under the action of external force, the required fresh water enters the fresh water cavity 110, after the fresh water is used for a period of time, the reverse osmosis membrane needs to be replaced because of the accumulation of the foreign matters on the surface of the reverse osmosis membrane, at the moment, both sides of the membrane channel 230 are opened through the plugging end of the plugging piece 220, the reverse osmosis membrane roll in the membrane exchange cavity 130 is driven to rotate through the unreeling end, the function of unreeling the reverse osmosis membrane is realized, meanwhile, the reverse osmosis membrane is enabled to move along the membrane channel 230 under the action of the reeling end until the new reverse osmosis membrane is completely positioned in the membrane channel 230, finally, the process of membrane exchange can be completed through the two sides of the plugging end of the plugging piece 220, the process of cutting the reverse osmosis membrane is replaced, the purchased reverse osmosis membrane roll can be directly used, and meanwhile, the frequency of replacing the reverse osmosis membrane is effectively reduced.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (10)
1. The seawater desalination device is characterized by comprising a box body, a separation assembly, a pressurizing assembly and a winding and unwinding assembly;
the partition assembly includes a housing and a closure; the shell is arranged in the box body to divide the interior of the box body into a sea water cavity and a membrane changing cavity; a membrane channel is arranged in the shell, two ends of the membrane channel are communicated with the membrane exchange cavity, and the plugging ends of the plugging piece are connected with the two ends of the membrane channel in a matched manner so as to open or close the two ends of the membrane channel; a fresh water cavity is formed at the inner side of the shell, a through hole group penetrating through the membrane channel is formed in the shell, and the sea water cavity is communicated with the fresh water cavity through the through hole group and the membrane channel;
the pressurizing assembly is arranged in the seawater cavity of the box body, and the pressurizing end of the pressurizing assembly is in sliding and sealing connection with the seawater cavity and is used for squeezing seawater in the seawater cavity into the fresh water cavity;
the winding and unwinding assembly is arranged in the film changing cavity of the box body and comprises an unwinding end and a winding end, the reverse osmosis film is wound on the unwinding end, and the free end of the reverse osmosis film penetrates through the film channel and is connected with the winding end.
2. The seawater desalination apparatus of claim 1, wherein the housing comprises a partition plate, an inner plate and an outer plate, wherein the partition plate is arranged in the tank body and divides the interior of the tank body into the seawater cavity and the membrane exchange cavity, and the inner plate and the outer plate are arranged in the seawater cavity and extend into the membrane exchange cavity through the partition plate on both sides; the membrane channel is formed between the inner plate and the outer plate, and the fresh water cavity is formed between the inner plate and the partition plate.
3. The seawater desalination apparatus of claim 2, wherein the partition is a flat plate, and the inner and outer plates are arcuate plates and are disposed in parallel.
4. The seawater desalination apparatus of claim 2, wherein the two ends of the outer plate positioned in the membrane exchange cavity are respectively provided with a groove communicated with the membrane exchange cavity, and the plugging end of the plugging piece is matched with the grooves so as to open or close the membrane channel.
5. The desalination apparatus of claim 4, wherein the blocking member comprises a blocking plate and a first drive member; the sealing plate is in sliding and sealing connection with the groove, the sealing plate can slide to a first position and a second position, when the sealing plate slides to the first position, the sealing plate is completely clamped in the groove, the membrane channel and the membrane exchange cavity are arranged at intervals, when the sealing plate slides to the second position, the sealing plate is partially clamped in the groove or is positioned outside the groove, and the membrane channel and the membrane exchange cavity are communicated; the output end of the first driving piece is connected with the plugging plate and used for driving the plugging plate to slide.
6. The seawater desalination vessel of claim 1, wherein the tank is provided with a seawater inlet and a seawater outlet in communication with the seawater chamber, the seawater inlet being positioned above the seawater outlet, the tank being provided with a fresh water outlet in communication with the fresh water chamber, the fresh water outlet being positioned at the bottom of the fresh water chamber.
7. A desalinator according to claim 1, wherein the pressurising assembly comprises a pressurising plate and a second drive member; the seawater cavity is formed among the pressurizing plate, the inner wall of the box body and the outer wall of the shell, one side of the pressurizing plate is in sliding and sealing connection with the inner wall of the box body, and the other side of the pressurizing plate is in sliding and sealing connection with the outer wall of the shell; the output end of the second driving piece is connected with the pressurizing plate and used for driving the pressurizing plate to slide.
8. The seawater desalination apparatus of claim 1, wherein the winding and unwinding assembly comprises an unwinding roller and a winding roller which are arranged in parallel, the unwinding roller is used for installing a reverse osmosis membrane roll, and the free end of the reverse osmosis membrane is connected with the winding roller after passing through the membrane channel.
9. The seawater desalination apparatus of claim 8, wherein the unwind roller and the wind-up roller each comprise a roller body and a motor, wherein the roller bodies are vertically arranged, the bottom ends of the roller bodies are rotatably connected with the box body, the motor is fixedly connected with the box body, and the output ends of the motor are connected with the roller bodies.
10. The seawater desalination apparatus of claim 8, wherein the retraction assembly further comprises a plurality of limiting rollers disposed between the retraction roller and the membrane channel and between the membrane channel and the wind-up roller, wherein each of the limiting rollers has a limiting gap, wherein the reverse osmosis membrane penetrates from one of the limiting gaps to the membrane channel, and the portion penetrating out of the membrane channel is connected to the wind-up roller through the other limiting gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370981.8A CN116272381A (en) | 2023-04-07 | 2023-04-07 | Sea water desalinator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310370981.8A CN116272381A (en) | 2023-04-07 | 2023-04-07 | Sea water desalinator |
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| CN116272381A true CN116272381A (en) | 2023-06-23 |
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| CN202310370981.8A Pending CN116272381A (en) | 2023-04-07 | 2023-04-07 | Sea water desalinator |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN218477118U (en) * | 2022-08-22 | 2023-02-14 | 深圳市小宝机器人有限公司 | Automatic change protection film mechanism |
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| CN201049898Y (en) * | 2007-04-25 | 2008-04-23 | 宁波黄泰实业有限公司 | Lever weighting reverse osmosis sea-water desalting plant |
| CN102961968A (en) * | 2011-08-31 | 2013-03-13 | 株式会社日立工业设备技术 | A reverse osmosis membrane element replacing device and a reverse osmosis membrane filter device |
| CN208054979U (en) * | 2017-12-29 | 2018-11-06 | 杭州崇高环境科技有限公司 | Water treatment facilities with Automatic change film function |
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| CN111744364A (en) * | 2020-07-07 | 2020-10-09 | 四川省盼溪灌溉科技有限公司 | Reverse osmosis equipment for agricultural irrigation |
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