CN115196707A

CN115196707A - Seawater desalination pretreatment device

Info

Publication number: CN115196707A
Application number: CN202211106678.9A
Authority: CN
Inventors: 胡彩霞
Original assignee: Weihai Ocean Vocational College
Current assignee: Weihai Ocean Vocational College
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-10-18
Anticipated expiration: 2042-09-13
Also published as: CN115196707B

Abstract

The invention relates to the technical field of seawater desalination pretreatment, in particular to a seawater desalination pretreatment device, which comprises a case, a water inlet pipe, a heater, a fresh water pool and a drain pipe, wherein the heater and the fresh water pool are arranged in the case, the water inlet pipe and the drain pipe are arranged on the case, and the drain pipe is communicated with the fresh water pool, and the pretreatment device also comprises: the guide posts are at least one group and are symmetrically arranged on the inclined inner wall formed in the machine box; the condensing system is arranged in the case and is used for condensing the water vapor generated during water evaporation and discharging the water vapor into the fresh water pool; this device can avoid the pure water that evaporation condensation accomplished vertical the sea water that drops once more directly, utilizes the effect of automatic decline of distillation in-process water level and buoyancy, makes things convenient for gathering of the drop of water on the condensation dish, can accelerate the collection speed of pure water, and whole process need not staff's assistance-collecting.

Description

Seawater desalination pretreatment device

Technical Field

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

Background

The seawater desalination treatment technology is a process of removing excess salts and minerals in water to obtain fresh water. The seawater desalination membrane method applied to the machine installation in the world mainly comprises a multistage flash evaporation method, a multi-effect evaporation method and a reverse osmosis method, more than one hundred million people in the world are cultivated for half a century, and the coastal economic and social development of arid desert areas and developed countries is promoted.

Wherein, the seawater desalination treatment by adopting the evaporation mode is the most common mode used in reality, in the process, the special evaporation tank is applied to evaporate seawater and collect pure water.

The condensing plate in the current sea water evaporation plant is fixed to be laid more, and sets up directly over the evaporation cavity for among the evaporation process, water vapor forms the drop of water on attaching to the condensing plate, but, has the direct vertical drop of part drop of water and flows back again in the sea water, and collection efficiency is very low.

Disclosure of Invention

The invention aims to provide a seawater desalination pretreatment device to solve the problems in the background technology.

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

the utility model provides a sea water desalination preprocessing device, includes quick-witted case, inlet tube, heater, fresh water pool and drain pipe, heater and fresh water pool all set up at quick-witted incasement, inlet tube and drain pipe all set up on quick-witted case, drain pipe and fresh water pool intercommunication, preprocessing device still includes:

the guide posts are at least one group and are symmetrically arranged on the inclined inner wall formed in the machine box;

the condensing system is arranged in the case and is used for condensing the water vapor generated during water evaporation and discharging the water vapor into the fresh water pool; wherein

The condensing system includes:

the sliding seat is movably arranged on the guide post;

the floating plate is arranged on the sliding seat;

the connecting block is movably arranged in the case and positioned between the adjacent sliding seats, and the connecting block is movably connected with the sliding seats through the top arm;

the condensation disc is movably arranged on the case;

the adjusting module is arranged between the connecting block and the condensing disc, and the condensing disc can be controlled to move by the adjusting module when the connecting block moves.

The application further adopts the technical scheme that: the adjusting module comprises balls and a screw shaft, the screw shaft penetrates through the condensing disc and the case, one end of the screw shaft is connected with the connecting block, at least one ball is arranged on the condensing disc in a sliding and embedding mode, and the balls are in sliding fit with the spiral grooves formed in the screw shaft.

The application further adopts the technical scheme that: the machine case is movably provided with a plurality of driving rollers, the driving rollers are connected through a material conveying belt, the material conveying belt penetrates through the machine case and is located at the bottom of the machine case, a traction unit is arranged on the material conveying belt and can store crystals in seawater, a storage box is arranged on one side, located in the material conveying belt, of the machine case, a power system is arranged on the machine case, and the power system can drive the driving rollers to move.

The application further adopts the technical scheme that: the traction unit comprises a belt body, storage holes and a filter screen;

through the area body coupling between the adjacent driving roller, store up the quantity in hole and be a plurality of and evenly set up on the area body, the one end activity hinge of filter screen is stored up downthehole and articulated department is equipped with the torsional spring, and quick-witted incasement is equipped with the baffle, and the baffle is located the one side of storing up the hole.

The application further adopts the technical scheme that: the power system comprises:

the output module is arranged between the adjacent top arms, and the output module can be controlled to work when the angle between the top arms is changed;

the driving module is arranged on the case and connects the output module with one of the driving rollers, and the output module can control the driving module to work and drive the driving rollers to move when working.

This application still further technical scheme: the output module comprises an output box, a sliding block and a pull rod;

the output box is arranged between the adjacent top arms, the sliders are symmetrically and movably arranged in the output box in a group and are connected with the driving module, and the pull rod is connected between the sliders and the top arms.

This application still further technical scheme: the driving module comprises a driving box, a piston, a gear, a rack and a transmission disc;

the driving box is arranged on the case, the piston is movably arranged in the driving box and elastically connected with the driving box, the gear is movably arranged on the driving box, the transmission disc is coaxially connected with the gear and is connected with one of the transmission rollers through a belt, the rack is arranged on the piston and is meshed with the gear, the output box is provided with an output hole, and the output hole is communicated with the driving box through a hose.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, the floating plate is arranged, so that the positions of the connecting block and the screw shaft can be adjusted according to the height of the seawater level in the case, and the automatic rotation of the condensation disc is controlled by the cooperation between the screw shaft and the balls.

Drawings

FIG. 1 is a schematic structural diagram of a seawater desalination pretreatment device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an adjusting module in the seawater desalination pretreatment apparatus according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of an output module in the seawater desalination pretreatment device in the embodiment of the present invention;

FIG. 4 is a cross-sectional view of a material transporting belt in the seawater desalination pretreatment apparatus according to the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a gear and a transmission disc in the seawater desalination pretreatment device in the embodiment of the invention.

The reference numerals in the schematic drawings illustrate:

1-case, 2-water inlet pipe, 3-heater, 4-fresh water pool, 5-water outlet pipe, 6-guide column, 7-condensation system, 71-sliding seat, 72-floating plate, 73-top arm, 74-connecting block, 75-adjusting module, 751-screw shaft, 752-ball, 76-condensation disc, 8-hose, 9-output module, 91-output box, 92-slide block, 93-output hole, 94-pull rod, 10-material conveying belt, 101-belt body, 102-storage hole, 103-filter screen, 11-driving roller, 12-storage box, 13-partition plate, 14-driving module, 141-driving box, 142-piston, 143-rack, 144-gear and 145-driving disc.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.

Referring to fig. 1 to 5, in an embodiment of the present application, a seawater desalination pretreatment apparatus includes a case 1, a water inlet pipe 2, a heater 3, a fresh water tank 4, and a water outlet pipe 5, where the heater 3 and the fresh water tank 4 are both disposed in the case 1, the water inlet pipe 2 and the water outlet pipe 5 are both disposed on the case 1, and the water outlet pipe 5 is communicated with the fresh water tank 4, and the pretreatment apparatus further includes:

the guide posts 6 are at least one group and are symmetrically arranged on the inclined inner wall formed in the case 1;

the condensation system 7 is arranged in the case 1 and is used for condensing the water vapor generated during water evaporation and discharging the water vapor into the fresh water pool 4; wherein

The condensation system 7 comprises:

the sliding seat 71 is movably arranged on the guide post 6;

a floating plate 72 provided on the slide base 71;

the connecting block 74 is movably arranged in the case 1 and positioned between the adjacent sliding seats 71, and the connecting block 74 is movably connected with the sliding seats 71 through the top arm 73;

the condensation plate 76 is movably arranged on the case 1;

and the adjusting module 75 is arranged between the connecting block 74 and the condensing disc 76, and the movement of the condensing disc 76 can be controlled by the adjusting module 75 when the connecting block 74 moves.

In this embodiment, the adjusting module 75 includes balls 752 and a screw shaft 751, the screw shaft 751 penetrates through the condensing disc 76 and the cabinet 1 and is connected with the connecting block 74 at one end, the number of the balls 752 is at least one and is slidably embedded on the condensing disc 76, and the balls 752 are slidably matched with a spiral groove formed on the screw shaft 751.

It should be noted that, in this embodiment, the condensation plate 76 is not limited to the above structure, and the condensation plate 76 may be directly driven to rotate by a stepping motor or a servo motor, which is not listed here.

In practical application, sea water is injected into the case 1 along the water inlet pipe 2, under the action of buoyancy, the sliding seat 71 and the floating plate 72 can be floated to the limit position on the guide post 6, the sea water is heated by controlling the operation of the heater 3, boiled sea water generates a large amount of water vapor, the water vapor is attached to the condensation plate to form small water drops, in the process, the reduction of the sea water amount in the case 1 can be caused, so that the water level is reduced, the floating plate 72 and the sliding seat 71 move downwards along the guide post 6 which is obliquely arranged, so as to drive the connecting block 74 and the screw shaft 751 to move downwards, in the process, under the cooperation effect between the spiral groove and the balls 752, the condensation plate 76 can be rotated, so that the small water drops on the condensation plate 76 move outwards and accelerate the collection between adjacent water drops under the action of centrifugal force, meanwhile, the purified water on the condensation plate 76 is conveniently discharged into the fresh water tank 4 for collection, the desalination of the sea water is realized, compared with the traditional mode that the condensation plate is directly placed in the evaporation box directly above, the water level directly drops into the distilled water, the purified water can be collected again, the effect of the purified water on the sea water collection process is realized, and the collection of the purified water can be conveniently, and the purified water collection process, and the collection of the purified water collection of the whole purified water collection process can be conveniently and the purified water collection process can be realized, and the purified water collection process can be collected without the effect of the purified water collection of the condensation plate.

Referring to fig. 1, 3, 4 and 5, as another preferred embodiment of the present invention, a plurality of driving rollers 11 are movably disposed on a chassis 1, the driving rollers 11 are connected to each other through a material transporting belt 10, the material transporting belt 10 penetrates through the chassis 1 and is located at the bottom of the chassis 1, a traction unit is disposed on the material transporting belt 10, the traction unit can store crystals in seawater, a storage box 12 is disposed on one side of the chassis 1 located at the material transporting belt 10, and a power system is disposed on the chassis 1, and the power system can drive the driving rollers 11 to move.

In the present embodiment, the traction unit includes a belt body 101, a storage hole 102, and a filter screen 103;

adjacent driving rollers 11 are connected through a belt body 101, the number of the storage holes 102 is a plurality of, the storage holes 102 are evenly formed in the belt body 101, one end of the filter screen 103 is movably hinged in the storage holes 102, the hinged position is provided with a torsion spring, a partition plate 13 is arranged in the case 1, and the partition plate 13 is located on one side of the storage holes 102.

It should be noted that the power system may adopt a stepping motor, a servo motor or other mechanical structures, which are not specifically described herein.

In practical application, a large amount of crystals are generated in the evaporation process of seawater, part of the crystals directly fall into the storage holes 102 on the belt body 101 and are located on the upper surface of the filter screen 103 due to the action of gravity, the transmission roller 11 is driven to rotate through the work of a power system, so that the crystals are pulled to move towards the direction of the storage box 12, the other part of the crystals falling on the surface of the belt body 101 is pushed into the storage holes 102 when meeting the inner wall of the case 1 until the transport belt 10 reaches the outside from the inside of the case 1, at the moment, the filter screen 103 is separated from the limit position of the partition plate 13, under the action of the elastic restoring force of the torsion spring, the filter screen 103 is popped out of the storage holes 102, so that the crystals automatically fall into the storage box 12, at the moment, part of seawater flows into the storage box 12, and the normal operation of the seawater is not influenced.

Referring to fig. 1, 3, 4 and 5, as another preferred embodiment of the present application, the power system includes:

the output module 9 is arranged between the adjacent top arms 73, and the output module 9 can be controlled to work when the angle between the top arms 73 is changed;

and the driving module 14 is arranged on the case 1 and connects the output module 9 with one of the driving rollers 11, and the driving module 14 can be controlled to work and drive the driving roller 11 to move when the output module 9 works.

In a particular case of the present embodiment, the output module 9 comprises an output box 91, a slider 92 and a pull rod 94;

the output box 91 is arranged between the adjacent top arms 73, the sliders 92 are arranged in the output box 91 in a group and symmetrically and movably connected with the driving module 14, and the pull rod 94 is connected between the sliders 92 and the top arms 73.

In another specific case of the present embodiment, the driving module 14 includes a driving box 141, a piston 142, a gear 144, a rack 143, and a transmission disc 145;

the driving box 141 is arranged on the case 1, the piston 142 is movably arranged in the driving box 141 and is elastically connected with the driving box 141, the gear 144 is movably arranged on the driving box 141, the transmission disc 145 is coaxially connected with the gear 144 and is connected with one of the transmission rollers 11 through a belt, the rack 143 is arranged on the piston 142 and is meshed with the gear 144, the output box 91 is provided with an output hole 93, and the output hole 93 is communicated with the driving box 141 through a hose 8.

It should be noted that the output module 9 may be directly replaced by an air pump or a blower, and air may be directly input into or drawn out of the driving box 141 through the air pump or the blower, which are not illustrated herein.

When the water level in the cabinet 1 is lowered due to the distillation effect, the floating plate 72 moves downwards along the guide post 6 so as to increase the angle between the top arms 73, the slider 92 moves towards two sides as shown in fig. 3 under the action of the pull rod 94, so that the air in the driving box 141 is sucked into the output box 91 along the output hole 93 and the hose 8, the piston 142 and the rack 143 move, the gear 144 and the transmission disc 145 are driven to rotate under the engagement effect between the rack 143 and the gear 144, the material conveying belt 10 is driven to move under the action of the belt, and the crystals on the material conveying belt 10 are smoothly discharged into the storage box 12.

The working principle of the application is as follows:

seawater is injected into the case 1 along the water inlet pipe 2, the sliding seat 71 and the floating plate 72 can be supported and floated to the limit position on the guide post 6 under the action of buoyancy, the seawater is heated by controlling the operation of the heater 3, a large amount of water vapor is generated by the boiled seawater, the water vapor is attached to the condensing plate to form small water drops, in the process, the amount of the seawater in the case 1 is reduced, so that the water level is reduced, the floating plate 72 and the sliding seat 71 move downwards along the guide post 6 which is obliquely arranged, so as to drive the connecting block 74 and the screw shaft 751 to move downwards, in the process, the condensing plate 76 can be rotated under the cooperation effect between the spiral groove and the ball 752, so that the small water drops on the condensing plate 76 move outwards under the action of centrifugal force, the convergence between adjacent water drops is accelerated, and meanwhile, the purified water on the condensing plate 76 is conveniently discharged into the fresh water pool 4 for collection, realize the desalination work to the sea water, for the traditional mode of directly placing the condensation plate directly over in the evaporating box, this device can avoid the pure water that the evaporation condensation was accomplished directly vertically to drop to the sea water once more, utilize the effect of automatic decline of water level and buoyancy in the distillation process, make things convenient for the collection of the drop of water on the condensation dish 76, can accelerate the collecting speed of pure water, whole process need not staff's auxiliary collection, when making the water level in the machine case 1 descend because of the distillation action, the kickboard 72 moves down along guide pillar 6 and makes the angle between the top arm 73 increase, under the effect of pull rod 94, make slider 92 move towards both sides as shown in the direction of figure 3, thereby in output hole 93 and hose 8 with the air suction of drive box 141 to output box 91, make piston 142 and rack 143 remove, under the meshing effect between rack 143 and gear 144, the gear 144 and the transmission disc 145 are driven to rotate, so that the transmission belt 10 is driven to move under the action of the belt, a large amount of crystals are generated in the seawater evaporation process, part of the crystals directly fall into the storage holes 102 in the belt body 101 and are positioned on the upper surface of the filter screen 103 under the action of gravity, the transmission roller 11 is driven to rotate through the work of a power system, so that the crystals are pulled to move towards the direction of the storage box 12, the other part of the crystals falling on the surface of the belt body 101 is propped into the storage holes 102 when meeting the inner wall of the case 1 until the transportation belt 10 reaches the outside from the inside of the case 1, the filter screen 103 is separated from the limit of the partition plate 13 at the moment, the filter screen 103 is popped out from the storage holes 102 under the action of the elastic restoring force of the torsion spring, so that the crystals automatically fall into the storage box 12, and part of seawater flows into the storage box 12 without affecting the normal operation of seawater desalination.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, without departing from the spirit of the present invention, a person of ordinary skill in the art should understand that the present invention shall not be limited to the embodiments and the similar structural modes without creative design.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sea water desalination preprocessing device, includes quick-witted case, inlet tube, heater, fresh water pool and drain pipe, heater and fresh water pool all set up at quick-witted incasement, inlet tube and drain pipe all set up on quick-witted case, drain pipe and fresh water pool intercommunication, its characterized in that, preprocessing device still includes:

The condensing system includes:

the sliding seat is movably arranged on the guide post;

the floating plate is arranged on the sliding seat;

the condensation disc is movably arranged on the case;

and the adjusting module is arranged between the connecting block and the condensing disc, and the movement of the condensing disc can be controlled by the adjusting module when the connecting block moves.

2. The seawater desalination pretreatment device of claim 1, wherein the adjusting module comprises balls and a screw shaft, the screw shaft penetrates through the condensation disc and the cabinet, one end of the screw shaft is connected with the connecting block, the number of the balls is at least one, the balls are slidably embedded in the condensation disc, and the balls are slidably matched with the spiral grooves formed in the screw shaft.

3. The seawater desalination pretreatment device of claim 1, wherein the case is movably provided with a plurality of driving rollers, the driving rollers are connected through a material conveying belt, the material conveying belt penetrates through the case and is positioned at the bottom of the case, the material conveying belt is provided with a traction unit, the traction unit can store crystals in seawater, one side of the case, which is positioned on the material conveying belt, is provided with a storage box, the case is provided with a power system, and the power system can drive the driving rollers to move.

4. The seawater desalination pretreatment apparatus of claim 3, wherein the traction unit comprises a belt body, a storage hole, and a filter screen;

through the area body coupling between the adjacent driving roller, store up the quantity in hole and evenly set up on the area body for a plurality of, the one end activity hinge of filter screen is equipped with the torsional spring in storing up downthehole and articulated department, and quick-witted incasement is equipped with the baffle, and the baffle is located and stores up one side in hole.

5. The seawater desalination pretreatment apparatus of claim 3, wherein the power system comprises:

and the driving module is arranged on the case and is used for connecting the output module with one of the driving rollers, and the output module can control the driving module to work and drive the driving rollers to move when working.

6. The seawater desalination pretreatment apparatus of claim 5, wherein the output module comprises an output tank, a slider, and a pull rod;

7. The seawater desalination pretreatment apparatus of claim 6, wherein the driving module comprises a driving box, a piston, a gear, a rack, and a transmission disc;