CN221117111U - Underwater reverse osmosis sea water desalination device - Google Patents
Underwater reverse osmosis sea water desalination device Download PDFInfo
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- CN221117111U CN221117111U CN202322886987.9U CN202322886987U CN221117111U CN 221117111 U CN221117111 U CN 221117111U CN 202322886987 U CN202322886987 U CN 202322886987U CN 221117111 U CN221117111 U CN 221117111U
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- wall
- water tank
- fresh water
- fixedly connected
- underwater
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- 239000013535 sea water Substances 0.000 title claims abstract description 44
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 29
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000013505 freshwater Substances 0.000 claims abstract description 58
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 238000011033 desalting Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims 2
- 238000005096 rolling process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000003204 osmotic effect Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to the technical field of sea water desalination devices, in particular to an underwater reverse osmosis sea water desalination device, which comprises a fresh water tank, wherein the outer wall of the fresh water tank is communicated with a water inlet pipe, the inner wall of the water inlet pipe is fixedly connected with a toothed ring, the inner wall of the toothed ring is provided with a permeable membrane, the inner wall of the water inlet pipe is fixedly connected with a cross rod, the outer wall of the cross rod is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is rotationally connected with a sleeve through a bearing, the outer wall of the sleeve is fixedly connected with a plurality of blades distributed in an array, one end of the outer wall of the sleeve, which is close to the fresh water tank, is rotationally connected with two symmetrically distributed connecting rods, the outer walls of the two connecting rods are respectively fixedly connected with a rolling brush, one ends of the two connecting rods, which are opposite, are respectively fixedly connected with gears meshed with the toothed ring, and the water permeable membrane is automatically cleaned by driving the rolling brushes through water flow, so that the problem that the permeable membrane is blocked in the past, and the filtering effect is reduced is solved.
Description
Technical Field
The utility model relates to the technical field of sea water desalination devices, in particular to an underwater reverse osmosis sea water desalination device.
Background
The desalination of sea water, namely the desalination of sea water is utilized to produce fresh water, is an open source increment technology for realizing water resource utilization, can increase the total amount of fresh water, is not influenced by space time and climate, and can ensure stable water supply such as drinking water of coastal residents, water supplement of industrial boilers and the like.
At present, the common sea water desalination method comprises two main types of distillation method and membrane separation method, and the membrane separation method is widely applied due to low energy consumption and low investment of the reverse osmosis method. If the seawater and the fresh water are respectively arranged at the two sides of the semi-permeable membrane, the fresh water can permeate the semi-permeable membrane to enter the seawater side due to different osmotic pressure, so that the liquid level of the seawater side is higher than that of the fresh water side until the osmotic pressure at the two sides is equal; if a certain pressure is applied to one side of seawater, when the pressure is higher than the osmotic pressure difference of two sides (the osmotic pressure of the seawater with the concentration of 3.5% is about 2.8MPa and is about equal to the pressure of the seawater with the depth of 280 meters), water molecules on one side of the seawater can pass through the semipermeable membrane to reach the fresh water side, and the salt concentration on the seawater side can be increased, so that the new osmotic pressure balance is achieved, which is the basic principle of the reverse osmosis method seawater desalination.
The existing reverse osmosis seawater desalination device is inconvenient to replace due to the fact that the existing reverse osmosis seawater desalination device is used on the sea floor with the depth of 200 meters, and the water permeable membrane is easy to be blocked by impurities after long-time use, so that the filtration efficiency is reduced, and therefore, an underwater reverse osmosis seawater desalination device is needed to solve the problem.
Disclosure of utility model
In order to achieve the purpose, the utility model provides the underwater reverse osmosis sea water desalting device, and the water permeable membrane is automatically cleaned by driving the hairbrush to rotate through water flow, so that the problem that the filtering effect is reduced due to the blockage of the water permeable membrane in the past is solved.
The underwater reverse osmosis sea water desalting device comprises a fresh water tank, wherein the outer wall of the fresh water tank is communicated with a water inlet pipe, the inner wall of the water inlet pipe is fixedly connected with a toothed ring, the inner wall of the toothed ring is provided with a water permeable membrane, the inner wall of the water inlet pipe is fixedly connected with a cross rod, the outer wall of the cross rod is fixedly connected with a connecting shaft, the outer wall of the connecting shaft is rotationally connected with a sleeve through a bearing, the outer wall of the sleeve is fixedly connected with a plurality of blades distributed in an array manner, one end, close to the fresh water tank, of the outer wall of the sleeve is rotationally connected with two symmetrically distributed connecting rods, the outer walls of the two connecting rods are fixedly connected with rolling brushes, and one ends, opposite to the two connecting rods, of the connecting rods are fixedly connected with gears meshed with the toothed ring.
In order to limit the position of the gears and prevent the gears from being separated from the toothed ring, the underwater reverse osmosis sea water desalting device is preferable in that the inner wall of the water inlet pipe is provided with a sliding groove, and one ends of the two gears opposite to each other are respectively connected with a sliding block matched with the sliding groove in a rotating way.
In order to facilitate the reduction of the pressure in the fresh water tank, so that water flows into the fresh water tank from the water inlet pipe, the underwater reverse osmosis seawater desalination device is preferably provided with a vacuum pump on the upper end surface of the fresh water tank, wherein the air inlet of the vacuum pump is communicated with the fresh water tank, and the air outlet of the vacuum pump is communicated with the outside.
In order to facilitate the discharge of the fresh water filtered in the fresh water tank, the underwater reverse osmosis sea water desalination device is preferably provided with a water pump at the rear end surface of the fresh water tank, wherein a water inlet of the water pump is communicated with the fresh water tank, and a water outlet of the water pump is communicated with a water pipe.
In order to prevent the sliding block from rotating, the cross section of the sliding block is preferably rectangular as the underwater reverse osmosis sea water desalting device.
In order to facilitate the installation of the toothed ring in the water inlet pipe, the longitudinal section of the water inlet pipe is preferably annular as the underwater reverse osmosis sea water desalting device.
In order to facilitate the blades to drive the sleeve to rotate, the underwater reverse osmosis sea water desalting device is preferable to have three blades.
Compared with the prior art, the utility model has the beneficial effects that:
this reverse osmosis sea water desalination device under water, air in with the fresh water tank is discharged through the vacuum pump, thereby make the pressure in the fresh water tank reduce, fresh water tank outside sea water gets into the fresh water tank from the inlet tube under the effect of pressure differential, and filter through the water permeable membrane, when the rivers get into the fresh water tank from the inlet tube, rivers drive the sleeve through the blade and rotate along the link, the sleeve further drives two connecting rods and rotate, and then drive the gear and roll along the ring gear, the gear roll further drives the connecting rod rotation, thereby it brushes to drive the round brush rotation to brush the water permeable membrane, impurity jam water permeable membrane and the problem that leads to the filter effect to descend after having solved the water permeable membrane long-time use.
Drawings
FIG. 1 is a diagram showing the overall construction of an underwater reverse osmosis sea water desalination device according to the present utility model;
FIG. 2 is a front view of the present utility underwater reverse osmosis desalination device;
FIG. 3 is a right side cross-sectional view of the underwater reverse osmosis sea water desalination device of the present utility model;
FIG. 4 is a block diagram of a roll brush of the present utility model;
Fig. 5 is a structural view of the toothed ring of the present utility model.
In the figure, 1, a fresh water tank; 2. a water inlet pipe; 3. a vacuum pump; 4. a water pump; 5. a cross bar; 6. a connecting shaft; 7. a sleeve; 8. a blade; 9. a water permeable membrane; 10. a toothed ring; 11. a connecting rod; 12. a gear; 13. a rolling brush; 14. a slide block; 15. and a sliding groove.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-5, the underwater reverse osmosis sea water desalination device comprises a fresh water tank 1, wherein the outer wall of the fresh water tank 1 is communicated with a water inlet pipe 2, the inner wall of the water inlet pipe 2 is fixedly connected with a toothed ring 10, the inner wall of the toothed ring 10 is provided with a water permeable membrane 9, the inner wall of the water inlet pipe 2 is fixedly connected with a cross rod 5, the outer wall of the cross rod 5 is fixedly connected with a connecting shaft 6, the outer wall of the connecting shaft 6 is rotationally connected with a sleeve 7 through a bearing, the outer wall of the sleeve 7 is fixedly connected with a plurality of blades 8 distributed in an array, one end of the outer wall of the sleeve 7, which is close to the fresh water tank 1, is rotationally connected with two symmetrically distributed connecting rods 11, the outer walls of the two connecting rods 11 are fixedly connected with rolling brushes 13, and one ends, opposite to the two connecting rods 11, of the two connecting rods are fixedly connected with gears 12 meshed with the toothed ring 10.
In this embodiment: starting the vacuum pump 3 to discharge air in the fresh water tank 1, thereby reducing the pressure in the fresh water tank 1, leading the seawater outside the fresh water tank 1 to enter the fresh water tank 1 from the water inlet pipe 2 under the action of pressure difference and filtering through the water permeable membrane 9, when the water flow enters the fresh water tank 1 from the water inlet pipe 2, the water flow drives the sleeve 7 to rotate along the connecting shaft 6 through the blades 8, the sleeve 7 further drives the two connecting rods 11 to rotate, further drives the gear 12 to roll along the toothed ring 10, and the gear 12 rolls further drives the connecting rods 11 to rotate, thereby driving the rolling brush 13 to rotate to scrub the water permeable membrane 9, and preventing the impurity from blocking the water permeable membrane 9 to cause the problem of reduced filtering effect.
As a technical optimization scheme of the utility model, a chute 15 is formed in the inner wall of the water inlet pipe 2, and one ends of the two gears 12 opposite to each other are rotatably connected with a sliding block 14 matched with the chute 15.
In this embodiment: through seting up spout 15 at the inner wall of inlet tube 2, rotate at the one end that two gears 12 are opposite to each other and connect with spout 15 assorted slider 14, be convenient for through the position of slider 14 restriction connecting rod 11, and then the position of restriction gear 12 prevents that gear 12 from breaking away from with ring gear 10.
As a technical optimization scheme of the utility model, the upper end surface of the fresh water tank 1 is provided with the vacuum pump 3, the air inlet of the vacuum pump 3 is communicated with the fresh water tank 1, and the air outlet of the vacuum pump 3 is communicated with the outside.
In this embodiment: the vacuum pump 3 is used for providing a vacuum environment for the fresh water tank 1, so that seawater enters the fresh water tank 1 from the water inlet pipe 2 under the action of pressure difference.
As a technical optimization scheme of the utility model, the rear end face of the fresh water tank 1 is provided with a water pump 4, a water inlet of the water pump 4 is communicated with the fresh water tank 1, and a water outlet of the water pump 4 is communicated with a water pipe.
In this embodiment: the filtered fresh water is easily discharged out of the fresh water tank 1 by the water pump 4.
As a technical optimization scheme of the present utility model, the cross section of the slider 14 is rectangular.
In this embodiment: by setting the cross section of the slider 14 to be rectangular, the slider 14 is prevented from rotating within the slide groove 15.
As a technical optimization scheme of the utility model, the longitudinal section of the water inlet pipe 2 is annular.
In this embodiment: by arranging the longitudinal section of the inlet pipe 2 in a ring shape, it is convenient to mount the toothed ring 10 on the inner wall of the inlet pipe 2.
As a technical optimization scheme of the utility model, the number of the blades 8 is three.
In this embodiment: by setting the number of blades 8 to three, it is easier to rotate the sleeve 7.
The working principle and the using flow of the utility model are as follows: when the device is used, the device is sunk into the sea floor by a depth below 200 meters, then the vacuum pump 3 is started, air in the fresh water tank 1 is discharged, so that the pressure in the fresh water tank 1 is reduced, seawater outside the fresh water tank 1 enters the fresh water tank 1 from the water inlet pipe 2 under the action of pressure difference and is filtered through the water permeable membrane 9, when water flows from the water inlet pipe 2 into the fresh water tank 1, the water flows through the blades 8 to drive the sleeve 7 to rotate along the connecting shaft 6, the sleeve 7 further drives the two connecting rods 11 to rotate, the gear 12 is driven to roll along the toothed ring 10, the gear 12 rolls to further drive the connecting rods 11 to rotate, the rolling brush 13 is driven to rotate to brush the water permeable membrane 9, the problem that the filtering effect is reduced due to the fact that impurities block the water permeable membrane 9 after the water permeable membrane 9 is used for a long time is solved, and the filtered fresh water is discharged out of the fresh water tank 1 through the water pump 4.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The underwater reverse osmosis sea water desalting device comprises a fresh water tank (1), and is characterized in that: the utility model discloses a fresh water tank, including fresh water tank, inner wall fixedly connected with ring gear (10) of fresh water tank (1), the inner wall of ring gear (10) is provided with water permeable membrane (9), the inner wall fixedly connected with horizontal pole (5) of inlet tube (2), the outer wall fixedly connected with axle (6) of horizontal pole (5), the outer wall of axle (6) is through bearing rotation connection has sleeve (7), the outer wall fixedly connected with blade (8) of a plurality of array distributions of sleeve (7), the outer wall of sleeve (7) is close to the one end rotation connection of fresh water tank (1) have connecting rod (11) of two symmetric distributions, two equal fixedly connected with round brush (13) of outer wall of connecting rod (11), two equal fixedly connected with of one end that connecting rod (11) are opposite each other is connected with gear (12) with ring gear (10) meshing connection.
2. An underwater reverse osmosis seawater desalination plant as claimed in claim 1, wherein: the inner wall of the water inlet pipe (2) is provided with a sliding groove (15), and one ends of the two gears (12) which are opposite are respectively connected with a sliding block (14) matched with the sliding groove (15) in a rotating way.
3. An underwater reverse osmosis seawater desalination plant as claimed in claim 1, wherein: the upper end face of the fresh water tank (1) is provided with a vacuum pump (3), an air inlet of the vacuum pump (3) is communicated with the fresh water tank (1), and an air outlet of the vacuum pump (3) is communicated with the outside.
4. An underwater reverse osmosis seawater desalination plant as claimed in claim 1, wherein: the water pump is characterized in that a water pump (4) is arranged on the rear end face of the fresh water tank (1), a water inlet of the water pump (4) is communicated with the fresh water tank (1), and a water pipe is communicated with a water outlet of the water pump (4).
5. An underwater reverse osmosis seawater desalination plant as claimed in claim 2, wherein: the cross section of the sliding block (14) is rectangular.
6. An underwater reverse osmosis seawater desalination plant as claimed in claim 1, wherein: the longitudinal section of the water inlet pipe (2) is annular.
7. An underwater reverse osmosis seawater desalination plant as claimed in claim 1, wherein: the number of the blades (8) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886987.9U CN221117111U (en) | 2023-10-26 | 2023-10-26 | Underwater reverse osmosis sea water desalination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886987.9U CN221117111U (en) | 2023-10-26 | 2023-10-26 | Underwater reverse osmosis sea water desalination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221117111U true CN221117111U (en) | 2024-06-11 |
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ID=91361796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322886987.9U Active CN221117111U (en) | 2023-10-26 | 2023-10-26 | Underwater reverse osmosis sea water desalination device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221117111U (en) |
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2023
- 2023-10-26 CN CN202322886987.9U patent/CN221117111U/en active Active
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| GR01 | Patent grant |