CN210973965U - Sea water desalting device - Google Patents

Abstract

The application relates to the technical field of seawater desalination, in particular to a seawater desalination device, which comprises a fan, a switching device, a water pumping device, a stirring device, an evaporation box and a condenser; the switching device comprises a switching rod and a driving device, and the switching rod is rotatably provided with a first gear and a second gear; a rotating shaft of the fan is provided with a third gear and a fourth gear; the stirring device comprises a fifth gear; the water pumping device comprises a sixth gear; a liquid level sensor for controlling the driving device is arranged in the evaporation box; when the liquid level of the evaporation tank is lower than the first critical liquid level line, the fourth gear, the second gear and the sixth gear are meshed, and the fan drives the water pumping device; when the liquid level of the evaporation tank is higher than the second critical liquid level line, the third gear, the first gear and the fifth gear are meshed, and the fan drives the stirring device. The system effectively solves the technical problem of low utilization rate of the existing wind energy, reasonably converts unstable wind energy into stable potential energy and internal energy of seawater, and has the advantages of high utilization rate of the wind energy and automatic switching operation.

Description

Sea water desalting device

Technical Field

The application relates to the technical field of seawater desalination, in particular to a seawater desalination device.

Background

Energy shortage, environmental pollution and water resource shortage are several major problems in the world today. The solar energy and wind energy cooperated seawater desalination system simultaneously relates to solar energy, wind energy and water resources, and is one of important fields of future research. The solar energy desalination device has an important significance for island remote areas which lack electric power, rich solar radiation resources and good wind resources, can completely utilize renewable energy sources to realize seawater desalination, and solve the problem of water resources.

The existing seawater desalination device not only utilizes solar energy to heat seawater and realize seawater evaporation for desalination, but also utilizes wind energy to generate electricity for pumping operation. However, because the wind power generation system has unstable wind volume, the output voltage of the electrical energy converted from mechanical energy is low, and the electrical energy needs to be converted into chemical energy of the storage battery, and the chemical energy of the storage battery is converted into alternating current 220V commercial power, so that the stable use can be ensured. But the energy after multiple conversions is lost, and the utilization rate of wind energy is low.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a seawater desalination apparatus, which effectively solves the technical problem of low wind energy utilization rate in the prior art, and has the advantages of high wind energy utilization rate and automatic switching operation by reasonably converting unstable wind energy into stable potential energy and internal energy of seawater to participate in each operation of the seawater desalination apparatus.

In order to achieve the purpose, the application provides the following technical scheme:

A seawater desalination device comprises a fan, a switching device, a water pumping device, a stirring device, an evaporation tank and a condenser; the switching device comprises a switching rod and a driving device, the switching rod is connected with a driving rod of the driving device, and a first gear and a second gear are rotatably mounted on the switching rod; a rotating shaft of the fan is provided with a third gear and a fourth gear; the stirring device is arranged in the evaporation box and comprises a first power shaft, and the first power shaft is provided with a fifth gear; the water delivery pipe of the water pumping device is connected with the evaporation box, the water pumping device comprises a second power shaft, and the second power shaft is provided with a sixth gear; an exhaust pipe of the evaporation box is connected with the condenser, a first liquid level sensor is arranged in the evaporation box, and the first liquid level sensor is connected with a first controller of the driving device;

When the liquid level of the evaporation tank is lower than a first critical liquid level line, the first liquid level sensor starts the first controller, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the fourth gear is meshed with the sixth gear through the second gear, and the fan drives the water pumping device;

When the liquid level of the evaporation box is higher than a second critical liquid level line, the first liquid level sensor starts the first controller, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the third gear is meshed with the fifth gear through the first gear, and the fan drives the stirring device.

Preferably, in the above seawater desalination device, the seawater desalination device further comprises a seawater pool, the water pumping device is connected with the seawater pool through a water delivery pipe, and the seawater pool is connected with the evaporation tank through a connecting pipe.

Preferably, in the seawater desalination apparatus described above, the apparatus further comprises a second controller, the second controller is connected to a valve switch of the connection pipe, and the first liquid level sensor is connected to the second controller; when the liquid level of the evaporation tank is lower than a first critical liquid level line, the first liquid level sensor starts the second controller, and the second controller controls the valve of the connecting pipe to be opened, so that the seawater in the seawater pool enters the evaporation tank; when the liquid level of the evaporation tank is higher than a second critical liquid level line, the first liquid level sensor starts the second controller, and the second controller controls the valve of the connecting pipe to be closed, so that the seawater in the seawater pool does not enter the evaporation tank any more.

Preferably, in the seawater desalination apparatus, a second liquid level sensor is disposed in the seawater pool, and the second liquid level sensor is connected to the first controller of the driving apparatus; when the liquid level of the seawater pool is smaller than the liquid level of the evaporation box, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the fourth gear is meshed with the sixth gear through the second gear, and the fan drives the water pumping device to pump water in the seawater pool.

Preferably, in the seawater desalination device, a solar thermal panel is arranged on the top of the evaporation tank, and the solar thermal panel is arranged obliquely facing the sun.

Preferably, in the seawater desalination apparatus described above, a distance between the first gear and the resulting second gear is smaller than a distance between the third gear and the fourth gear.

Preferably, in the seawater desalination apparatus described above, a distance between the first gear and the resulting second gear is greater than a distance between the third gear and the fourth gear.

Preferably, in the above seawater desalination apparatus, further comprising a brine tank, the evaporation tank is connected to the brine tank through a drain pipe.

Preferably, in the seawater desalination device, the seawater desalination device further comprises a fresh water tank, and a water outlet pipe of the condenser is connected with the fresh water tank.

Preferably, in the seawater desalination apparatus described above, the stirring device further comprises a stirring rod and a stirring blade, and the stirring blade is rotatably mounted to the stirring rod; the first power shaft is provided with a seventh gear, the stirring rod is provided with an eighth gear, and the seventh gear is in meshing transmission connection with the eighth gear.

Compared with the prior art, the beneficial effects of this application are:

When the water pumping device is used, when the liquid level of the evaporation box is lower than a first critical liquid level line, namely when the liquid level value detected by the first liquid level sensor is smaller than the minimum preset liquid level value of the first controller of the driving device, the first liquid level sensor starts the first controller, the first controller can control the driving device to drive the switching rod to move towards one direction through the driving rod, so that the second gear can be meshed between the fourth gear and the sixth gear, then under the action of wind power, the fourth gear on the rotating shaft of the fan can rotate to drive the second gear, the second gear can drive the sixth gear, the second power shaft of the water pumping device rotates, the water pumping device is operated to supplement new seawater for the evaporation box, and the fan drives the water pumping device to pump water for the evaporation box;

When the liquid level of the evaporation tank is higher than a second critical liquid level line, namely when the liquid level value detected by the first liquid level sensor is larger than the maximum preset liquid level value of a first controller of the driving device, the first liquid level sensor starts the first controller, the first controller can control the driving device to drive the switching rod to move towards the other direction through the driving rod, so that the first gear can be meshed between the third gear and a fifth gear, then under the action of wind power, the third gear on the rotating shaft of the fan can rotate to drive the first gear, the first gear can drive the fifth gear, a first power shaft of the stirring device rotates, the stirring device can stir seawater in the evaporation tank when in operation, and the fan drives the stirring device to stir the evaporation tank;

The unstable wind energy is reasonably converted into the stable potential energy and the stable internal energy of the seawater, so that the wind energy participates in each operation of the seawater desalination device, the seawater can be timely supplemented for the evaporation tank, the seawater evaporation speed can be increased through stirring during seawater evaporation, and the working efficiency of the whole seawater desalination operation is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a seawater desalination apparatus provided in an embodiment of the present application;

Fig. 2 is a schematic working diagram of a fan-driven water pumping device according to an embodiment of the present disclosure;

Fig. 3 is a schematic working diagram of a fan-driven stirring device provided in an embodiment of the present application;

Fig. 4 is a connection relationship diagram when a seawater pool is added according to the embodiment of the present application;

FIG. 5 is a schematic structural diagram of another seawater desalination apparatus provided in an embodiment of the present application;

Fig. 6 is a schematic view of another fan-driven water pumping device according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of another fan-driven stirring apparatus according to an embodiment of the present disclosure;

Fig. 8 is a schematic structural view of a water pumping device according to an embodiment of the present application.

In the figure:

1 is a fan, 11 is a third gear, 12 is a fourth gear, 21 is a switching lever, 211 is a first gear, 212 is a second gear, 22 is a driving device, 221 is a driving rod, 23 is a first liquid level sensor, 3 is a stirring device, 31 is a first power shaft, 311 is a fifth gear, 312 is a seventh gear, 32 is a stirring rod, 321 is an eighth gear, 33 is a stirring blade, 4 is a water pumping device, 41 is a second power shaft, 411 is a sixth gear, 42 is a box body, 43 is a pump rod, 44 is a directional rail, 45 is a directional wheel, 46 is a force assisting arm, 47 is a lifting gear set, 48 is a power gear set, 5 is an evaporation box, 5a is a first critical liquid level line, 5b is a second critical liquid level line, 51 is a solar thermal panel, 6 is a condenser, 7 is a sea water pool, 71 is a second liquid level sensor, 8 is a brine pool, and 9 is a fresh water pool.

Detailed Description

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

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The existing seawater desalination device not only utilizes solar energy to heat seawater and realize seawater evaporation for desalination, but also utilizes wind energy to generate electricity for pumping operation. However, because the wind power generation system has unstable wind volume, the output voltage of the electrical energy converted from mechanical energy is low, and the electrical energy needs to be converted into chemical energy of the storage battery, and the chemical energy of the storage battery is converted into alternating current 220V commercial power, so that the stable use can be ensured. But the energy after multiple conversions is lost, and the utilization rate of wind energy is low. The application provides a sea water desalination device, solves the technical problem that current wind energy utilization ratio is low effectively, through rationally converting unstable wind energy into the stable potential energy and the internal energy of sea water, and then go in participating in each operation of sea water desalination device, have the advantage that wind energy utilization ratio is high, automatic switch over operation.

Example one

Referring to fig. 1 to fig. 3, the present application provides an embodiment, which provides a seawater desalination apparatus, including a fan 1, a switching device, a pumping device 4, a stirring device 3, an evaporation tank 5 and a condenser 6; the switching device comprises a switching rod 21 and a driving device 22, the switching rod 21 is connected with a driving rod 221 of the driving device 22, and a first gear 211 and a second gear 212 are rotatably mounted on the switching rod 21; a rotating shaft of the fan 1 is provided with a third gear 11 and a fourth gear 12; the stirring device 3 is arranged inside the evaporation tank 5, the stirring device 3 comprises a first power shaft 31, and the first power shaft 31 is provided with a fifth gear 311; a water delivery pipe of the water pumping device 4 is connected with the evaporation tank 5, the water pumping device 4 comprises a second power shaft 41, and the second power shaft 41 is provided with a sixth gear 411; an exhaust pipe of the evaporation box 5 is connected with the condenser 6, a first liquid level sensor 23 is arranged in the evaporation box 5, and the first liquid level sensor 23 is connected with a first controller of the driving device 22; the distance between the first gear 211 and the resulting second gear 212 is smaller than the distance between the third gear 11 and the fourth gear 12;

When the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 starts a first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the fourth gear 12 is meshed with the sixth gear 411 through the second gear 212, and the fan 1 drives the water pumping device 4; when the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the third gear 11 is meshed with the fifth gear 311 through the first gear 211, and the fan 1 drives the stirring device 3.

The application reasonably converts unstable wind energy into stable potential energy and internal energy of seawater, so that the wind energy participates in each operation of the seawater desalination device, the seawater can be timely supplemented for the evaporation tank 5, the seawater evaporation speed can be increased through stirring when the seawater is evaporated, and the working efficiency of the whole seawater desalination operation is greatly improved.

The working process is as follows: in use, referring to fig. 2, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, that is, when the liquid level value detected by the first liquid level sensor 23 is smaller than the minimum preset liquid level value of the first controller of the driving device 22, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move rightward through the driving rod 221, so that the second gear 212 can be engaged between the fourth gear 12 and the sixth gear 411, then, under the action of wind, the fourth gear 12 on the rotating shaft of the fan 1 will rotate to drive the second gear 212, the second gear 212 will drive the sixth gear 411, the second power shaft 41 of the water pumping device 4 is rotated, and the water pumping device 4 is operated to supplement new seawater for the evaporation tank 5, so that the fan 1 drives the water pumping device 4 to pump water for the evaporation tank 5; referring to fig. 3, when the liquid level of the evaporation tank 5 is higher than the second threshold level 5b, that is, when the level value detected by the first liquid level sensor 23 is greater than the maximum preset level value of the first controller of the driving device 22, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move leftward through the driving rod 221, so that the first gear 211 can be engaged between the third gear 11 and the fifth gear 311, then, under the action of wind, the third gear 11 on the rotating shaft of the fan 1 will rotate to drive the first gear 211, the first gear 211 will drive the fifth gear 311, so that the first power shaft 31 of the stirring device 3 rotates, and the stirring device 3 can stir the seawater in the evaporation tank 5, thereby realizing that the fan 1 drives the stirring device 3 to stir the evaporation tank 5.

The above operation process is only the movement process of the seawater desalination apparatus provided in fig. 1-3, and fig. 1-3 are operation processes based on the first gear 211 and the second gear 212 sequentially arranged on the switching bar 21 from left to right. The driving rod 221 of the driving device 22 may be a driving rod 221 with a mechanical finger (not shown in the figure) disposed at an end of the driving rod 221 close to the switching rod 21, the driving rod 221 abuts against the switching rod 21, and on the premise that the driving device 22 is disposed at the left side of the switching rod 21: when the water pumping device 4 needs to be started, the driving device 22 does not start the mechanical gripper, the driving device 22 directly drives the driving rod 221 to move rightwards so as to drive the switching rod 21 to move rightwards, so that the second gear 212 is meshed with the fourth gear 12 and the sixth gear 411, and the fan 1 can drive the water pumping device 4; when the stirring device 3 needs to be started, the driving device 22 starts the mechanical hand for grasping the switching rod 21, and drives the driving rod 221 to move leftward to drive the switching rod 21 to move leftward, so that the first gear 211 is engaged between the third gear 11 and the fifth gear 311, and then the mechanical hand is released, so that the fan 1 can drive the stirring device 3. Of course, the driving device 22 may be other driving devices 22 capable of realizing the horizontal movement of the switching rod 21 besides the above-mentioned forms, such as a telescopic cylinder, etc., and the description of the present application is omitted.

Further, in this embodiment, please refer to fig. 4, the seawater desalination system further includes a seawater pool 7, the water pumping device 4 is connected to the seawater pool 7 through a water pipe, the seawater pool 7 is connected to the evaporation tank 5 through a connecting pipe, that is, the seawater pool 7 may be additionally disposed on the water pipe, so that the water pumping device 4 is connected to the evaporation tank 5 through the seawater pool 7. Some seawater is stored in the seawater pool 7, so that the evaporation box 5 can be ensured to discharge seawater immediately when a valve of the connecting pipe is opened, the seawater desalination operation can be carried out uninterruptedly in the evaporation box 5, and the efficiency of the seawater desalination operation in the evaporation box 5 is greatly improved.

Further, in this embodiment, please refer to fig. 4, further including a second controller, the second controller is connected to the valve switch of the connecting pipe, and the first liquid level sensor 23 is connected to the second controller; when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 starts a second controller, and the second controller controls a valve of the connecting pipe to be opened, so that the seawater in the seawater pool 7 enters the evaporation tank; when the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 starts the second controller, and the second controller controls the valve of the connecting pipe to be closed, so that the seawater in the seawater pool 7 does not enter the evaporation tank 5 any more. Of course, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 controls the valve of the connection pipe to open, and at the same time, the first controller is also activated to operate the water pumping device 4 to replenish the seawater pool 7 with new seawater. When the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 controls the valve of the connection pipe to be closed, and simultaneously, the first controller is also started to enable the stirring device 3 to operate to perform stirring operation on the evaporation tank 5

Further, in the present embodiment, referring to fig. 4, a second liquid level sensor 71 is disposed in the seawater pool 7, and the second liquid level sensor 71 is connected to the first controller of the driving device 22; the first controller will compare the data detected by the two liquid level sensors, when the liquid level of the seawater pool 7 is less than the liquid level of the evaporation tank 5, that is, when the data detected by the second liquid level sensor 71 is less than the data detected by the first liquid level sensor 23, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the fourth gear 12 is engaged with the sixth gear 411 through the second gear 212, and the fan 1 drives the water pumping device 4 to pump water for the seawater pool 7.

More specifically, since the fan 1 cannot be rotated all the time due to environmental influences, and it is necessary to preferentially maintain the supply of seawater in order to ensure that the evaporation tank 5 can continue the seawater desalination operation, a second liquid level sensor 71 may be provided in the seawater pool 7, and when the liquid level of the seawater pool 7 is lower than the liquid level of the evaporation tank 5, the fan 1 may drive the water pumping device 4 to pump water to the seawater pool 7. The arrangement can give priority to the operation of the wind pumping device 4, and ensures that the seawater pool 7 can stably supply seawater to the evaporation tank 5. Of course, a third critical fluid level line may be provided in the seawater pool 7, and the third critical fluid level line is higher than the second critical fluid level line 5 b. When the seawater in the evaporation tank 5 reaches the first critical liquid level line 5a, the first liquid level sensor 71 transmits a signal to switch a valve of the water inlet pipe, so that the valve of the water inlet pipe is opened, the seawater in the seawater pool 7 enters the evaporation tank 5, and meanwhile, the first liquid level sensor 71 starts a first controller of the driving device 22, so that the driving device 22 drives the switching rod 21 to move, and the fan 1 can drive the water pumping device 4 to operate; when the seawater in the evaporation tank 5 reaches the second critical liquid level line 5b, the first liquid level sensor 71 transmits a signal to the valve switch of the water inlet pipe, so that the valve of the water inlet pipe is closed, the seawater in the seawater pool 7 does not enter the evaporation tank 5, at this time, the first liquid level sensor 71 does not start the first controller of the driving device 22, the driving rod 221 does not move, and the fan 1 continues to drive the water pumping device 4 to operate; when the seawater in the seawater pool 7 reaches the third critical liquid level line 7c, the second liquid level sensor 71 starts the controller of the driving device 22, so that the driving device 22 drives the switching rod 21 to move, the fan 1 can drive the stirring device 3 to operate, and the seawater in the evaporation tank 5 is stirred.

Further, in the present embodiment, referring to fig. 4, a solar thermal panel 51 is disposed on the top of the evaporation box 5, and the solar thermal panel 51 is disposed in an inclined manner facing the sun. The solar photo-thermal panel 51 is used for collecting solar radiation energy, converting the solar radiation energy into heat energy through interaction of substances, and then using the heat energy to heat the seawater in the evaporation box 5, so that the moisture of the seawater is continuously evaporated to generate steam.

Further, in the present embodiment, please refer to fig. 4, further comprising a fresh water tank 9, wherein a water outlet pipe of the condenser 6 is connected to the fresh water tank 9. The vapor generated by the heated seawater enters the condenser 67 through the exhaust pipe, the vapor is condensed into liquid water through the long and tortuous pipeline of the condenser 6, and the liquid water is gathered and finally collected in the fresh water pool 9.

Further, in the present embodiment, a brine tank 8 is further included, and the evaporation tank 5 is connected to the brine tank 8 through a drain pipe. Since the seawater after evaporation has a large amount of salt remaining therein, which is equivalent to the brine, the brine can be recovered by the brine tank 8 to be used for other purposes.

Further, in the present embodiment, the stirring device 3 further includes a stirring rod 32 and a stirring blade 33, and the stirring blade 33 is rotatably mounted on the stirring rod 32; the first power shaft 31 is provided with a seventh gear 312, the stirring rod 32 is provided with an eighth gear 321, and the seventh gear 312 and the eighth gear 321 are in meshing transmission connection. Because the first power shaft 31 of the stirring device 3 is often difficult to directly participate in the stirring operation of the evaporation box 5, the transmission torque and the movement direction can be changed through gear transmission connection, the stirring rods 32 in different directions can be designed for more concrete actual needs to stir the evaporation box 5, the drawing of the embodiment only provides the condition of stirring the evaporation box 5 in the vertical direction, and the stirring rods 32 and the stirring blades 33 in other directions are not repeated one by one

Further, in the present embodiment, referring to fig. 8, the water pumping device 4 further includes a box body 42 and a pump rod 43; a fixed seat is longitudinally arranged in the box body 42, and a supporting seat is fixedly arranged at the front end of the fixed seat; a third through hole which is through is longitudinally arranged in the supporting seat, and the upper side surface of the supporting seat is fixedly provided with a directional rail 44; a matched directional wheel 45 is arranged in the directional rail 44, and a power-assisted shaft is fixedly inserted in the directional wheel 45; the two ends of the power-assisted shaft are hinged with power-assisted arms 46, the middle part of the power-assisted shaft is rotatably provided with a pressing seat, and the bottom end of the pressing seat is fixedly provided with a pump rod 43 penetrating through the third through hole; a pair of lifting gear sets 47 are rotatably arranged in the middle of the fixing seat, and the other end of the power-assisted arm 46 is rotatably connected to the lifting gear sets 47; the lifting gear set 47 is engaged with a pair of power gear sets 48, and the second power shaft 41 is inserted into the power gear sets 48. The directional rail 44 includes a pair of linear slide rails disposed in parallel on the supporting base and a semicircular arc slide rail disposed on the top end of the linear slide rails.

More specifically, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the switching device may sequentially engage the fourth gear 12, the second gear 212 and the sixth gear 411, and the rotation of the rotating shaft of the blower 1 may drive the second power shaft 41 of the water pumping device 4 to rotate, and further drive the power gear set 48 to rotate, so as to rotate the engaged lifting gear set 47, and since the directional wheel 45 hinged to one end of the assisting arm 46 may only move along the linear sliding rail of the directional rail 44, the assisting arm 46 rotatably connected to the lifting gear set 47 may drive the directional wheel 45 to reciprocate up and down along the directional rail 44 when the lifting gear set 47 rotates, so as to drive the pump rod 43 at the lower side to pump up and down the water pump piston, and completely convert the wind power into the power for pumping water by the mechanical method, and the evaporation tank has a simple structure, Energy saving and environmental protection. The pumping device 4 is a conventional pumping device 4, and detailed description is omitted in this application.

Carry out two

Referring to fig. 5-7, the present application further provides another embodiment, which provides another seawater desalination apparatus, including a fan 1, a switching device, a water pumping device 4, a stirring device 3, an evaporation tank 5, and a condenser 6; the switching device comprises a switching rod 21 and a driving device 22, the switching rod 21 is connected with a driving rod 221 of the driving device 22, and a first gear 211 and a second gear 212 are rotatably mounted on the switching rod 21; a rotating shaft of the fan 1 is provided with a third gear 11 and a fourth gear 12; the stirring device 3 is arranged inside the evaporation tank 5, the stirring device 3 comprises a first power shaft 31, and the first power shaft 31 is provided with a fifth gear 311; a water delivery pipe of the water pumping device 4 is connected with the evaporation tank 5, the water pumping device 4 comprises a second power shaft 41, and the second power shaft 41 is provided with a sixth gear 411; an exhaust pipe of the evaporation box 5 is connected with the condenser 6, a first liquid level sensor 23 is arranged in the evaporation box 5, and the first liquid level sensor 23 is connected with a first controller of the driving device 22; the distance between the first gear 211 and the resulting second gear 212 is greater than the distance between the third gear 11 and the fourth gear 12;

When the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 starts a first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the fourth gear 12 is meshed with the sixth gear 411 through the second gear 212, and the fan 1 drives the water pumping device 4; when the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the third gear 11 is meshed with the fifth gear 311 through the first gear 211, and the fan 1 drives the stirring device 3.

The application reasonably converts unstable wind energy into stable potential energy and internal energy of seawater, so that the wind energy participates in each operation of the seawater desalination device, the seawater can be timely supplemented for the evaporation tank 5, the seawater evaporation speed can be increased through stirring when the seawater is evaporated, and the working efficiency of the whole seawater desalination operation is greatly improved.

The working process is as follows: in the application, referring to fig. 6, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, that is, when the liquid level value detected by the first liquid level sensor 23 is smaller than the minimum preset liquid level value of the first controller of the driving device 22, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move leftward through the driving rod 221, so that the second gear 212 can be engaged between the fourth gear 12 and the sixth gear 411, then, under the action of wind, the fourth gear 12 on the rotating shaft of the fan 1 will rotate to drive the second gear 212, the second gear 212 will drive the sixth gear 411, the second power shaft 41 of the water pumping device 4 is rotated, and the water pumping device 4 is operated to supplement new seawater for the evaporation tank 5, so that the fan 1 drives the water pumping device 4 to pump water for the evaporation tank 5; referring to fig. 7, when the liquid level of the evaporation tank 5 is higher than the second threshold level 5b, that is, when the level value detected by the first liquid level sensor 23 is greater than the maximum preset level value of the first controller of the driving device 22, the first liquid level sensor 23 starts the first controller, the first controller controls the driving device 22 to drive the switching rod 21 to move rightward through the driving rod 221, so that the first gear 211 can be engaged between the third gear 11 and the fifth gear 311, then, under the action of wind, the third gear 11 on the rotating shaft of the fan 1 will rotate to drive the first gear 211, the first gear 211 will drive the fifth gear 311, so that the first power shaft 31 of the stirring device 3 rotates, and the stirring device 3 can stir the seawater in the evaporation tank 5, thereby realizing that the fan 1 drives the stirring device 3 to stir the evaporation tank 5.

The above operation process is only for the movement process of the seawater desalination apparatus provided in fig. 5-7, and fig. 5-7 are operation processes based on the first gear 211 and the second gear 212 sequentially arranged on the switching bar 21 from left to right. The driving rod 221 of the driving device 22 may be a driving rod 221 with a mechanical finger (not shown in the figure) disposed at an end of the driving rod 221 close to the switching rod 21, the driving rod 221 abuts against the switching rod 21, and on the premise that the driving device 22 is disposed at the left side of the switching rod 21: when the water pumping device 4 needs to be started, the driving device 22 starts the mechanical gripper to grip the switching rod 21, and meanwhile, the driving device 22 drives the driving rod 221 to move leftward to drive the switching rod 21 to move leftward, so that the second gear 212 is engaged with the fourth gear 12 and the sixth gear 411, and then the mechanical gripper is released, so that the fan 1 can drive the water pumping device 4; when the stirring device 3 needs to be started, the driving device 22 does not start the mechanical gripper, and the driving device 22 directly drives the driving rod 221 to move rightwards so as to drive the switching rod 21 to move rightwards, so that the first gear 211 is engaged between the third gear 11 and the fifth gear 311, and the fan 1 can drive the stirring device 3. Of course, the driving device 22 may be other driving devices 22 capable of realizing the horizontal movement of the switching rod 21 besides the above-mentioned forms, such as a telescopic cylinder, etc., and the description of the present application is omitted.

Further, in this embodiment, still include sea water pond 7, pumping device 4 is connected with sea water pond 7 through the raceway, and sea water pond 7 is connected with evaporating box 5 through the connecting pipe, also can add a sea water pond 7 on the raceway for pumping device 4 is connected with evaporating box 5 through sea water pond 7. Some seawater is stored in the seawater pool 7, so that the evaporation box 5 can be ensured to discharge seawater immediately when a valve of the connecting pipe is opened, the seawater desalination operation can be carried out uninterruptedly in the evaporation box 5, and the efficiency of the seawater desalination operation in the evaporation box 5 is greatly improved.

Further, in this embodiment, the liquid level control device further includes a second controller, the second controller is connected to the valve switch of the connecting pipe, and the first liquid level sensor 23 is connected to the second controller; when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 starts a second controller, and the second controller controls a valve of the connecting pipe to be opened, so that the seawater in the seawater pool 7 enters the evaporation tank; when the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 starts the second controller, and the second controller controls the valve of the connecting pipe to be closed, so that the seawater in the seawater pool 7 does not enter the evaporation tank 5 any more. Of course, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the first liquid level sensor 23 controls the valve of the connection pipe to open, and at the same time, the first controller is also activated to operate the water pumping device 4 to replenish the seawater pool 7 with new seawater. When the liquid level of the evaporation tank 5 is higher than the second critical liquid level line 5b, the first liquid level sensor 23 controls the valve of the connection pipe to be closed, and simultaneously, the first controller is also started to enable the stirring device 3 to operate to perform stirring operation on the evaporation tank 5

Further, in the present embodiment, a second liquid level sensor 71 is disposed in the seawater pool 7, and the second liquid level sensor 71 is connected to the first controller of the driving device 22; the first controller will compare the data detected by the two liquid level sensors, when the liquid level of the seawater pool 7 is less than the liquid level of the evaporation tank 5, that is, when the data detected by the second liquid level sensor 71 is less than the data detected by the first liquid level sensor 23, the first controller controls the driving device 22 to drive the switching rod 21 to move through the driving rod 221, so that the fourth gear 12 is engaged with the sixth gear 411 through the second gear 212, and the fan 1 drives the water pumping device 4 to pump water for the seawater pool 7.

More specifically, since the fan 1 cannot be rotated all the time due to environmental influences, and it is necessary to preferentially maintain the supply of seawater in order to ensure that the evaporation tank 5 can continue the seawater desalination operation, a second liquid level sensor 71 may be provided in the seawater pool 7, and when the liquid level of the seawater pool 7 is lower than the liquid level of the evaporation tank 5, the fan 1 may drive the water pumping device 4 to pump water to the seawater pool 7. The arrangement can give priority to the operation of the wind pumping device 4, and ensures that the seawater pool 7 can stably supply seawater to the evaporation tank 5. Of course, a third critical fluid level line may be provided in the seawater pool 7, and the third critical fluid level line is higher than the second critical fluid level line 5 b. When the seawater in the evaporation tank 5 reaches the first critical liquid level line 5a, the first liquid level sensor 71 transmits a signal to switch a valve of the water inlet pipe, so that the valve of the water inlet pipe is opened, the seawater in the seawater pool 7 enters the evaporation tank 5, and meanwhile, the first liquid level sensor 71 starts a first controller of the driving device 22, so that the driving device 22 drives the switching rod 21 to move, and the fan 1 can drive the water pumping device 4 to operate; when the seawater in the evaporation tank 5 reaches the second critical liquid level line 5b, the first liquid level sensor 71 transmits a signal to the valve switch of the water inlet pipe, so that the valve of the water inlet pipe is closed, the seawater in the seawater pool 7 does not enter the evaporation tank 5, at this time, the first liquid level sensor 71 does not start the first controller of the driving device 22, the driving rod 221 does not move, and the fan 1 continues to drive the water pumping device 4 to operate; when the seawater in the seawater pool 7 reaches the third critical liquid level line 7c, the second liquid level sensor 71 starts the controller of the driving device 22, so that the driving device 22 drives the switching rod 21 to move, the fan 1 can drive the stirring device 3 to operate, and the seawater in the evaporation tank 5 is stirred.

Further, in the present embodiment, a solar thermal panel 51 is provided on the top of the evaporation box 5, and the solar thermal panel 51 is disposed obliquely facing the sun. The solar photo-thermal panel 51 is used for collecting solar radiation energy, converting the solar radiation energy into heat energy through interaction of substances, and then using the heat energy to heat the seawater in the evaporation box 5, so that the moisture of the seawater is continuously evaporated to generate steam.

Further, in this embodiment, the system further includes a fresh water tank 9, and a water outlet pipe of the condenser 6 is connected to the fresh water tank 9. The vapor generated by the heated seawater enters the condenser 6 through the exhaust pipe, the vapor is condensed into liquid water through the long and tortuous pipeline of the condenser 6, and the liquid water is gathered and finally collected in the fresh water pool 9.

Further, in the present embodiment, a brine tank 8 is further included, and the evaporation tank 5 is connected to the brine tank 8 through a drain pipe. Since the seawater after evaporation has a large amount of salt remaining therein, which is equivalent to the brine, the brine can be recovered by the brine tank 8 to be used for other purposes.

Further, in the present embodiment, the stirring device 3 further includes a stirring rod 32 and a stirring blade 33, and the stirring blade 33 is rotatably mounted on the stirring rod 32; the first power shaft 31 is provided with a seventh gear 312, the stirring rod 32 is provided with an eighth gear 321, and the seventh gear 312 and the eighth gear 321 are in meshing transmission connection. Because the first power shaft 31 of the stirring device 3 is often difficult to directly participate in the stirring operation of the evaporation box 5, the transmission torque and the movement direction can be changed through gear transmission connection, the stirring rods 32 in different directions can be designed for more concrete actual needs to stir the evaporation box 5, the drawing of the embodiment only provides the condition of stirring the evaporation box 5 in the vertical direction, and the stirring rods 32 and the stirring blades 33 in other directions are not repeated one by one

Further, in the present embodiment, referring to fig. 8, the water pumping device 4 further includes a box body 42 and a pump rod 43; a fixed seat is longitudinally arranged in the box body 42, and a supporting seat is fixedly arranged at the front end of the fixed seat; a third through hole which is through is longitudinally arranged in the supporting seat, and the upper side surface of the supporting seat is fixedly provided with a directional rail 44; a matched directional wheel 45 is arranged in the directional rail 44, and a power-assisted shaft is fixedly inserted in the directional wheel 45; the two ends of the power-assisted shaft are hinged with power-assisted arms 46, the middle part of the power-assisted shaft is rotatably provided with a pressing seat, and the bottom end of the pressing seat is fixedly provided with a pump rod 43 penetrating through the third through hole; a pair of lifting gear sets 47 are rotatably arranged in the middle of the fixing seat, and the other end of the power-assisted arm 46 is rotatably connected to the lifting gear sets 47; the lifting gear set 47 is engaged with a pair of power gear sets 48, and the second power shaft 41 is inserted into the power gear sets 48. The directional rail 44 includes a pair of linear slide rails disposed in parallel on the supporting base and a semicircular arc slide rail disposed on the top end of the linear slide rails.

More specifically, when the liquid level of the evaporation tank 5 is lower than the first critical liquid level line 5a, the switching device may sequentially engage the fourth gear 12, the second gear 212 and the sixth gear 411, and the rotation of the rotating shaft of the blower 1 may drive the second power shaft 41 of the water pumping device 4 to rotate, and further drive the power gear set 48 to rotate, so as to rotate the engaged lifting gear set 47, and since the directional wheel 45 hinged to one end of the assisting arm 46 may only move along the linear sliding rail of the directional rail 44, the assisting arm 46 rotatably connected to the lifting gear set 47 may drive the directional wheel 45 to reciprocate up and down along the directional rail 44 when the lifting gear set 47 rotates, so as to drive the pump rod 43 at the lower side to pump up and down the water pump piston, and completely convert the wind power into the power for pumping water by the mechanical method, and the evaporation tank has a simple structure, Energy saving and environmental protection. The pumping device 4 is a conventional pumping device 4, and detailed description is omitted in this application.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A seawater desalination device is characterized by comprising a fan, a switching device, a pumping device, a stirring device, an evaporation tank and a condenser;

The switching device comprises a switching rod and a driving device, the switching rod is connected with a driving rod of the driving device, and a first gear and a second gear are rotatably mounted on the switching rod;

A rotating shaft of the fan is provided with a third gear and a fourth gear;

The stirring device is arranged in the evaporation box and comprises a first power shaft, and the first power shaft is provided with a fifth gear;

The water delivery pipe of the water pumping device is connected with the evaporation box, the water pumping device comprises a second power shaft, and the second power shaft is provided with a sixth gear;

The exhaust pipe of the evaporation box is connected with the condenser;

A first liquid level sensor is arranged in the evaporation box and connected with a first controller of the driving device;

When the liquid level of the evaporation tank is lower than a first critical liquid level line, the first liquid level sensor starts the first controller, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the fourth gear is meshed with the sixth gear through the second gear, and the fan drives the water pumping device;

When the liquid level of the evaporation box is higher than a second critical liquid level line, the first liquid level sensor starts the first controller, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the third gear is meshed with the fifth gear through the first gear, and the fan drives the stirring device.

2. The seawater desalination apparatus of claim 1, further comprising a seawater pool, wherein the water pumping device is connected with the seawater pool through a water delivery pipe, and the seawater pool is connected with the evaporation tank through a connecting pipe.

3. The seawater desalination apparatus of claim 2, further comprising a second controller, wherein the second controller is connected with the valve switch of the connection pipe, and the first liquid level sensor is connected with the second controller;

When the liquid level of the evaporation tank is lower than a first critical liquid level line, the first liquid level sensor starts the second controller, and the second controller controls the valve of the connecting pipe to be opened, so that the seawater in the seawater pool enters the evaporation tank;

When the liquid level of the evaporation tank is higher than a second critical liquid level line, the first liquid level sensor starts the second controller, and the second controller controls the valve of the connecting pipe to be closed, so that the seawater in the seawater pool does not enter the evaporation tank any more.

4. The seawater desalination apparatus of claim 2, wherein a second liquid level sensor is arranged in the seawater pool, and the second liquid level sensor is connected with the first controller of the driving apparatus;

When the liquid level of the seawater pool is smaller than the liquid level of the evaporation box, the first controller controls the driving device to drive the switching rod to move through the driving rod, so that the fourth gear is meshed with the sixth gear through the second gear, and the fan drives the water pumping device to pump water in the seawater pool.

5. The seawater desalination device of claim 1, wherein the top of the evaporation tank is provided with a solar energy photo-thermal plate which is arranged obliquely facing the sun.

6. The seawater desalination apparatus of claim 1, wherein a distance between the first gear and the resulting second gear is less than a distance between the third gear and the fourth gear.

7. The seawater desalination apparatus of claim 1, wherein a distance between the first gear and the resulting second gear is greater than a distance between the third gear and the fourth gear.

8. The seawater desalination apparatus of claim 1, further comprising a brine tank, wherein the evaporation tank is connected to the brine tank by a drain pipe.

9. The seawater desalination apparatus of claim 1, further comprising a fresh water tank, wherein the outlet pipe of the condenser is connected with the fresh water tank.

10. The seawater desalination apparatus of claim 1, wherein the stirring device further comprises a stirring rod and a stirring blade, and the stirring blade is rotatably mounted on the stirring rod;

The first power shaft is provided with a seventh gear, the stirring rod is provided with an eighth gear, and the seventh gear is in meshing transmission connection with the eighth gear.

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