CN115072824A - Control rod for naturally freezing and desalting brackish water and use method thereof - Google Patents
Control rod for naturally freezing and desalting brackish water and use method thereof Download PDFInfo
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- CN115072824A CN115072824A CN202210832444.6A CN202210832444A CN115072824A CN 115072824 A CN115072824 A CN 115072824A CN 202210832444 A CN202210832444 A CN 202210832444A CN 115072824 A CN115072824 A CN 115072824A
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- water
- metal pipe
- ice layer
- brackish water
- submersible pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 176
- 238000007710 freezing Methods 0.000 title claims abstract description 33
- 230000008014 freezing Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000011033 desalting Methods 0.000 title claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 86
- 229910052751 metal Inorganic materials 0.000 claims abstract description 86
- 238000007667 floating Methods 0.000 claims abstract description 32
- 239000012267 brine Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 17
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000010612 desalination reaction Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 230000008020 evaporation Effects 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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Classifications
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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
- C02F1/22—Treatment of water, waste water, or sewage by freezing
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
- C02F1/12—Spray evaporation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a control rod for naturally freezing and desalting brackish water and a use method thereof, wherein the control rod for naturally freezing and desalting the brackish water comprises a metal pipe, a submersible pump arranged in the metal pipe and a plurality of floating components sleeved on the metal pipe; the length of the metal pipe is larger than the depth of the brackish water, the lower end part of the metal pipe is in a taper shape, a plurality of sieve holes are formed in the position, close to the submersible pump, of the metal pipe, a groove penetrating through the metal pipe from top to bottom is formed in the outer peripheral wall of the metal pipe, and a heating rod is installed in the groove; the submersible pump is provided with a plurality of sub water outlet pipes which are upwards extended out of the metal pipe, and the water outlets of the sub water outlet pipes are provided with nozzles with switches; the float assembly is configured to be movable only downward relative to the metal pipe. The invention can control the ice layer to move downwards, continue to freeze on the existing ice surface, quickly evaporate the strong brine, and separate salt from water to obtain desalted water.
Description
Technical Field
The invention belongs to the field of automatic freezing desalination of brackish water, and particularly relates to a control rod for natural freezing desalination of brackish water and a using method thereof.
Background
In northwest regions, the drought and rain are less, the surface water is bitter and salty water with different degrees, and the water shortage problem is particularly prominent. A small amount of technologies are desalination treatment by a method of obtaining ice blocks at the temperature of the west cold winter, such as CN104860367A, storage water for cooling, artificial snow making, gravity melting desalination, collection of concentrated high-salt water into a high-salt water storage tank, and evaporation by solar energy to obtain inorganic salt and distilled water. And CN112520759A provided with an icing and thawing tank, an evaporation tank, a condensation tank, a heat insulation wall, a heat preservation film, a gravity vacuum geothermal pipe and other facilities to achieve the aim of desalination.
However, the existing brackish water desalting process is complex, the infrastructure investment is large, a plurality of ponds need to be constructed so as to carry out the operations of separated storage, freezing and evaporation on the strong brine and the fresh water, the foundation investment is large, the occupied area is large, and the labor cost is also large. After a bitter pond is treated, the facilities need to be dismantled and the old appearance needs to be restored, which wastes time and labor.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a control rod for desalting brackish water by natural freezing, which can control an ice layer to move downwards, continue to freeze on the existing ice surface, quickly evaporate strong brine, and separate salt from water to obtain desalted water.
In order to solve the technical problems, the technical scheme of the invention is as follows: a control rod for desalting brackish water by natural freezing comprises a metal pipe, a submersible pump arranged in the metal pipe and a plurality of floating components sleeved on the metal pipe; wherein the content of the first and second substances,
the length of the metal pipe is larger than the depth of the brackish water, the lower end part of the metal pipe is in a taper shape, a plurality of sieve holes are formed in the position, close to the submersible pump, of the metal pipe, a groove penetrating through the metal pipe from top to bottom is formed in the outer peripheral wall of the metal pipe, and a heating rod is installed in the groove;
the submersible pump is provided with a plurality of sub water outlet pipes which are upwards extended out of the metal pipe, and the water outlets of the sub water outlet pipes are provided with nozzles with switches;
the float assembly is configured to be movable only downward relative to the metal pipe.
Further, in order to prevent the metal pipe from floating with the ice block when the ice block floats upwards, the control rod for naturally freezing and desalting the brackish water also comprises a plurality of anchors which are connected to the metal pipe and are used for anchoring at the bottom of the brackish water body.
Further, a metal plate is installed on the metal pipe, the anchor is connected to the metal plate through an iron chain, and the metal plate is located above the portion, in the shape of a pointed cone, of the metal pipe.
Further, the floating assembly includes a moving ring and a plurality of floating balls distributed along a circumferential direction of the moving ring and connected to the moving ring through horizontal rods, and the moving ring is fitted over the metal pipe and configured to be movable only downward with respect to the metal pipe.
Further, the periphery wall top-down of tubular metal resonator is equipped with a plurality of outer ratchets in proper order, the shift ring has elasticity, and interior perisporium top-down is equipped with a plurality of interior ratchets, interior ratchet with outer ratchet cooperatees, the last flank of tooth top-down of outer ratchet leans out, the lower flank of tooth perpendicular to of outer ratchet the axial of tubular metal resonator.
Further, the moving ring is an unclosed ring.
Further, the nozzle is arranged obliquely upwards, and the included angle between the water spraying direction of the nozzle and the horizontal plane is 60 degrees.
The invention also provides a use method of the control rod for desalting the brackish water by natural freezing, which comprises the following steps:
step S1: a plurality of control rods are arranged in the brackish water body to be treated, and the control rods are arranged at intervals of 4-16 m 2 One floating component is arranged, the lowest floating component is guaranteed to float on the water surface, after the temperature is reduced, the water surface is frozen, and the lowest floating component and the ice layer are frozen together;
step S2: starting the submersible pump, pumping out water below the ice layer, spraying the water on the surface of the ice layer, and closing the submersible pump after the water with the depth of 10-30 cm is gathered on the ice layer;
step S3: icing the water on the ice layer into a new ice layer, freezing the floating assembly at the corresponding position together with the new ice layer, heating by using a heating rod to melt the ice in the groove, allowing the strong brine between the adjacent ice layers to flow down along the groove, allowing the upper ice layer to move downwards to be attached to the lower ice layer, and returning to the step S2 until the water on the ice surface cannot be iced;
step S4: only one nozzle is left on each support rod and is in an open state, a plurality of collecting frames are laid on the uppermost surface of the ice layer, the submersible pump is continuously started, strong brine is continuously sprayed under the action of the submersible pump, the falling point of the strong brine is just in the collecting frames, and the strong brine is quickly evaporated in a spraying state to obtain dry salt solids;
step S5: the dried salt is collected and transferred away, and after the air temperature rises again, the ice blocks are melted to obtain treated water.
The invention has the beneficial effects that: the control rod for freezing and desalinating the brackish water has a simple structure and easy operation, can be electrified for use after being thrown into water to be treated, and does not have complex operation; complicated building construction such as construction of various water storage tanks is omitted, and after the desalination process is completed, the apparatus can be quickly dismantled and transported to other areas for repeated treatment.
Drawings
FIG. 1 is a schematic structural view of a control lever for natural freezing desalination of brackish water according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic structural view of the present invention with a moving ring sleeved on the metal tube;
FIG. 4 is a schematic view of the moving ring of the present invention;
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example one
As shown in fig. 1, 2, 3 and 4, the control rod for natural freezing desalination of brackish water comprises a metal pipe 1, a submersible pump 2 arranged in the metal pipe 1, and a plurality of floating assemblies 3 sleeved on the metal pipe 1; wherein, the first and the second end of the pipe are connected with each other,
the length of the metal pipe 1 is larger than the depth of brackish water, the lower end part of the metal pipe 1 is in a taper shape, a plurality of sieve holes 11 are formed in the position, close to the submersible pump 2, of the metal pipe 1, a groove 12 penetrating through the metal pipe 1 from top to bottom is formed in the outer peripheral wall of the metal pipe 1, and a heating rod 9 is installed in the groove 12;
the submersible pump 2 is provided with a plurality of sub water outlet pipes 4 which are upwards extended out of the metal pipe 1, and the water outlets of the sub water outlet pipes 4 are provided with nozzles 6 with switches 5;
the floating assembly 3 is configured to be movable only downward with respect to the metal pipe 1.
In the present embodiment, the tapered portion of the metal pipe 1 is used for inserting into the bottom of the brackish water body, the outer diameter of the metal pipe 1 is 15-25 cm, and the length of the metal pipe 1 is set according to the depth of the brackish water to be treated, and is generally 50-100 cm longer than the depth of the brackish water to be treated.
In this embodiment, the water outlet pipe of the submersible pump 2 extends upwards to the outside of the metal pipe 1 in the metal pipe 1 and is branched into a plurality of sub water outlet pipes 4.
Specifically, the control rod for freezing and desalinating brackish water has a simple structure and easy operation, can be electrified for use after being thrown into water to be treated, and does not have complex operation; complicated construction of structures such as various storage tanks is eliminated, and after the desalination process is completed, the apparatus can be quickly dismantled and transported to other areas for repeated processing.
As shown in fig. 1, in order to prevent the metal tube 1 from floating up with the ice cubes when the ice cubes are floating up, the control stick for natural freezing to desalinate brackish water further includes a plurality of anchors 7 connected to the metal tube 1 and for anchoring at the bottom of the body of brackish water.
In this embodiment, the body of brackish water may be a pond, or small lake, etc. A plurality of anchors 7 can ensure that the metal pipe 1 is firmly fixed at the bottom of the water body.
As shown in fig. 1, a metal plate 8 is mounted on the metal pipe 1, the anchor 7 is connected to the metal plate 8 through an iron chain 10, and the metal plate 8 is located above the tapered portion of the metal pipe 1.
In this embodiment, metal sheet 8 is 30 ~ 50cm apart from the part of metal pipe 1 that is the taper shape, the size of metal sheet 8 is 30 ~ 50cm, the metal sheet 8 perpendicular to the axis of metal pipe 1, four angles of metal sheet 8 respectively connect through an iron chain 10 anchor 7 so set up, are favorable to four anchors 7 to be dispersed, and four anchors 7 anchor are in the water bottom of brackish water, and the phenomenon that the control lever was taken to float appears when preventing the ice-cube come-up, immersible pump 2 is located 5 ~ 15cm department above metal sheet 8.
As shown in fig. 1, 3 and 4, the floating assembly 3 includes a moving ring 31 and a plurality of floating balls 33 distributed along the circumference of the moving ring 31 and connected to the moving ring 31 by horizontal rods 32, wherein the moving ring 31 is sleeved on the metal pipe 1 and is configured to move only downward relative to the metal pipe 1.
As shown in fig. 1, 3 and 4, the outer circumferential wall of the metal tube 1 is sequentially provided with a plurality of outer ratchets 13 from top to bottom, the moving ring 31 has elasticity, the inner circumferential wall is provided with a plurality of inner ratchets 311 from top to bottom, the inner ratchets 311 are matched with the outer ratchets 13, the upper tooth surfaces of the outer ratchets 13 incline outwards from top to bottom, and the lower tooth surfaces of the outer ratchets 13 are perpendicular to the axial direction of the metal tube 1.
As shown in fig. 4, the moving ring 31 is an unclosed ring.
As shown in fig. 1, the nozzle 6 is disposed obliquely upward, and an included angle between a water spraying direction of the nozzle 6 and a horizontal plane is 60 °.
Example two
A method for using a control stick for desalination of brackish water by natural freezing as described in the first embodiment, the method comprising the steps of:
step S1: arranging a plurality of control rods in the brackish water body to be treated, ensuring that the bottommost floating component 3 floats on the water surface, freezing the water surface after cooling, and freezing the bottommost floating component 3 and the ice layer together;
step S2: starting the submersible pump 2, pumping out water below the ice layer, spraying the water on the surface of the ice layer, and closing the submersible pump 2 after the ice layer gathers water with the depth of 10-30 cm;
step S3: the water on the ice layer is frozen into a new ice layer, the floating component 3 at the corresponding position is frozen with the new ice layer, then the heating rod 9 is used for heating, so that the ice in the groove 12 is melted, the strong brine between the adjacent ice layers flows down along the groove 12, the upper ice layer moves downwards and is attached to the lower ice layer, and the step S2 is returned until the water on the ice layer cannot be frozen;
step S4: only one nozzle 6 is left on each support rod and is in an open state, a plurality of collecting frames are laid on the uppermost surface of the ice layer, the submersible pump 2 is continuously started, strong brine is continuously sprayed under the action of the submersible pump 2, the falling point is just in the collecting frames, and the strong brine is quickly evaporated in a spraying state to obtain dry salt solids;
step S5: the dried salt is collected and transferred away, and after the air temperature rises again, the ice blocks are melted to obtain treated water.
The technical solutions related to the above embodiments are described below with reference to alternative embodiments.
When the device is used, a plurality of control rods are arranged in the brackish water body to be treated, and the control rods are arranged at intervals of 4-16 m 2 One power supply is arranged and connected with the submersible pump 2 and the heating rod 9 to wait for cooling, the floating ball 33 of the floating component 3 at the lowest part floats on the water surface at the moment, and the temperature is cooledThe water surface is frozen into an ice layer A, the floating ball 33 at the lowest layer is combined with the ice layer A, the submersible pump 2 is started to pump the water below the ice layer A upwards and spray the water onto the surface of the ice layer A, water with the depth of about 10-30 cm is gathered on the ice surface according to the temperature at that time, at the moment, the ice layer A does not have the support of water and can move downwards along with the water level with the moving ring 31, the submersible pump 2 is closed after the spraying amount of the submersible pump 2 reaches the upper water level of the ice surface of 10-30 cm, the floating ball 33 of the second floating assembly 3 is frozen in the ice layer B after the water on the ice layer A is frozen into the ice layer B again, the heating rod 9 is started to enter a heating state to melt the ice in the groove 12, the heating rod 9 is closed, the strong brine between the ice layer A and the ice layer B flows down along the groove 12, the ice layer B moves downwards and is attached to the ice layer A, the submersible pump 2 is started again to spray the water at the lowest layer B onto the surface of the ice layer B, firstly, spraying a small amount of water, freezing in the groove 12, blocking the groove 12, then keeping the water level on the surface of the ice layer B at 10-30 cm, closing the submersible pump 2, freezing to obtain the ice layer C, freezing the floating ball of the third floating assembly 3 from bottom to top in the ice layer C, starting the heating rod 9 to melt the ice in the groove 12, allowing the strong brine between the ice layer C and the ice layer B to flow to the bottom, repeatedly starting the submersible pump 2, repeating the steps until the water on the ice surface cannot freeze, when the water on the ice surface can not be frozen, the switch of only one nozzle 6 is left on each support rod to be in an open state, and lay a plurality of collection frame on the uppermost surface of ice sheet, continuously start heating rod 9 and immersible pump 2, make strong brine continuously spray under the effect of immersible pump 2, the drop point just in the collection frame, strong brine evaporates under the spray condition fast, collects as dry salt solid at last. Due to the low air temperature, a part of the evaporated liquid which is not evaporated flows out of the collecting frame, and continuously flows down along the groove 12, and is continuously lifted by the submersible pump 2 to evaporate until the evaporated liquid is finally evaporated.
If the power and the effect are considered in the evaporation process, the evaporation process can be carried out again when the air temperature slightly rises, and the evaporation effect is better. The temperature is about 0 deg.C, and the ice blocks are still not melted. Heating equipment can be additionally arranged on the peripheral wall of the sub water outlet pipe 4 of the nozzle 6 in the open state to ensure the evaporation effect.
The dried salt is transferred away after being collected, after the air temperature rises again, the ice blocks are melted, and the obtained water is treated water and can reach the use standard of farmland irrigation.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that numerous changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. A control rod for desalting brackish water by natural freezing is characterized in that,
the device comprises a metal pipe (1), a submersible pump (2) arranged in the metal pipe (1), and a plurality of floating assemblies (3) sleeved on the metal pipe (1); wherein the content of the first and second substances,
the length of the metal pipe (1) is larger than the depth of brackish water, the lower end part of the metal pipe (1) is in a taper shape, a plurality of sieve pores (11) are arranged at the position, close to the submersible pump (2), of the metal pipe (1), a groove (12) penetrating through the metal pipe (1) from top to bottom is formed in the outer peripheral wall of the metal pipe (1), and a heating rod (9) is installed in the groove (12);
the submersible pump (2) is provided with a plurality of sub water outlet pipes (4) which are upwards extended out of the metal pipe (1), and the water outlets of the sub water outlet pipes (4) are provided with nozzles (6) with switches (5);
the floating assembly (3) is configured to be movable only downwards relative to the metal pipe (1).
2. The control stick for desalination of brackish water by natural freezing of claim 1,
and the device also comprises a plurality of anchors (7) which are connected to the metal pipes (1) and are used for anchoring at the bottom of the brackish water body.
3. The control stick for desalination of brackish water by natural freezing of claim 2,
install metal sheet (8) on tubular metal resonator (1), anchor (7) are connected through iron chain (10) on metal sheet (8), metal sheet (8) are located the top that is the part of taper shape of tubular metal resonator (1).
4. The control stick for desalinating brackish water by natural freezing according to claim 1, wherein,
the floating assembly (3) comprises a moving ring (31) and a plurality of floating balls (33) which are distributed along the circumferential direction of the moving ring (31) and connected to the moving ring (31) through horizontal rods (32), wherein the moving ring (31) is sleeved on the metal pipe (1) and is configured to move downwards relative to the metal pipe (1).
5. The control stick for desalination of brackish water by natural freezing of claim 4,
the periphery wall top-down of tubular metal resonator (1) is equipped with a plurality of outer ratchet (13) in proper order, shift ring (31) have elasticity, and interior perisporium top-down is equipped with a plurality of interior ratchet (311), interior ratchet (311) with outer ratchet (13) cooperate, the last flank of tooth top-down of outer ratchet (13) leans out, the lower flank of tooth of outer ratchet (13) is perpendicular to the axial of tubular metal resonator (1).
6. The control stick for desalinating brackish water by natural freezing according to claim 5, wherein,
the moving ring (31) is an unclosed ring.
7. The control stick for desalination of brackish water by natural freezing of claim 1,
the nozzle (6) is obliquely and upwards arranged, and the included angle between the water spraying direction of the nozzle (6) and the horizontal plane is 60 degrees.
8. A method for using the control rod for natural freezing desalination of brackish water according to any one of claims 1 to 7,
the method comprises the following steps:
step S1: arranging a plurality of control rods in the brackish water body to be treated, ensuring that the bottommost floating assembly (3) floats on the water surface, freezing the water surface after cooling, and freezing the bottommost floating assembly (3) and the ice layer together;
step S2: starting the submersible pump (2), pumping out water below the ice layer, spraying the water on the surface of the ice layer, and closing the submersible pump (2) after the water with the depth of 10-30 cm is gathered on the ice layer;
step S3: the water on the ice layer is frozen into a new ice layer, the floating component (3) at the corresponding position is frozen with the new ice layer, then the heating rod (9) is used for heating, so that the ice in the groove (12) is melted, the strong brine between the adjacent ice layers flows down along the groove (12), the upper ice layer moves downwards and is attached to the lower ice layer, and the step S2 is returned until the water on the ice surface cannot be frozen;
step S4: only one nozzle (6) is reserved on each support rod and is in an open state, a plurality of collecting frames are laid on the uppermost surface of the ice layer, the submersible pump (2) is continuously started, strong brine is continuously sprayed under the action of the submersible pump (2), the falling point is just in the collecting frames, the strong brine is quickly evaporated under the spraying state, and dry salt solid is obtained;
step S5: the dried salt is collected and transferred away, and after the air temperature rises again, the ice blocks are melted to obtain treated water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832444.6A CN115072824B (en) | 2022-07-15 | 2022-07-15 | Control rod for natural freezing and desalting brackish water and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832444.6A CN115072824B (en) | 2022-07-15 | 2022-07-15 | Control rod for natural freezing and desalting brackish water and using method thereof |
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| CN115072824A true CN115072824A (en) | 2022-09-20 |
| CN115072824B CN115072824B (en) | 2024-01-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01196477A (en) * | 1988-01-29 | 1989-08-08 | Hoshizaki Electric Co Ltd | Automatic ice making machine |
| US4910974A (en) * | 1988-01-29 | 1990-03-27 | Hoshizaki Electric Company Limited | Automatic ice making machine |
| US20180354813A1 (en) * | 2016-03-24 | 2018-12-13 | Jai H. Rho | Apparatus and methods for relocating ice produced by desalination and mineral reduction of water resources by vertical freezing |
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2022
- 2022-07-15 CN CN202210832444.6A patent/CN115072824B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01196477A (en) * | 1988-01-29 | 1989-08-08 | Hoshizaki Electric Co Ltd | Automatic ice making machine |
| US4910974A (en) * | 1988-01-29 | 1990-03-27 | Hoshizaki Electric Company Limited | Automatic ice making machine |
| US20180354813A1 (en) * | 2016-03-24 | 2018-12-13 | Jai H. Rho | Apparatus and methods for relocating ice produced by desalination and mineral reduction of water resources by vertical freezing |
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