CN219314697U

CN219314697U - Novel desalting water pretreatment device

Info

Publication number: CN219314697U
Application number: CN202320639115.XU
Authority: CN
Inventors: 宋章根; 刘冬发; 张宇
Original assignee: Guangxi Liuzhou Liu Li Thermal Co ltd
Current assignee: Guangxi Liuzhou Liu Li Thermal Co ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-07-07
Anticipated expiration: 2033-03-28

Abstract

The utility model relates to the field of desalted water production and processing, and discloses a novel desalted water pretreatment device, which comprises a sedimentation tank, a filter tank and a water suction pump arranged between the sedimentation tank and the filter tank, wherein a main shaft is coaxially arranged in the sedimentation tank in a rotating way, the outer circular surface of the main shaft is radially provided with stirring blades, the inside of each stirring blade is hollow, the opening is provided with a cover plate, the cover plate is provided with a spray hole, the orifice of the spray hole is provided with a spray pipe, the spray pipe is provided with a one-way valve for enabling fluid to flow from the inside of each stirring blade to the inside of the sedimentation tank in a one-way, the upper end opening and the lower end of the main shaft are sealed, the outer circular surface of the main shaft is provided with a side hole communicated with the stirring blades, the upper opening end of the main shaft is provided with a feeding pipe through a rotary joint, and the other end of the feeding pipe is communicated with a quantitative pump; in the utility model, the stirring blade rotates and simultaneously feeds the flocculant, and the flocculant is uniformly mixed with raw water when the flocculant is added, so that the efficiency is high.

Description

Novel desalting water pretreatment device

Technical Field

The utility model relates to the field of desalted water production and processing, in particular to a novel desalted water pretreatment device.

Background

The desalted water is the water product obtained through various water treatment processes to eliminate suspended matter, colloid, inorganic cation, anion, etc. and includes the first filtering of precipitate and the subsequent filtering of precipitate.

Based on the above-mentioned pretreatment of the desalted water, the applicant found a Chinese patent with the authority of CN212076713U by searching, which discloses a impurity removing device for producing the desalted water, in the precipitation process, by throwing a flocculating agent into a raw water tank and then stirring raw water through a stirring assembly, so that the raw water and the flocculating agent are uniformly mixed, and in a small-batch raw water flocculation precipitation, the flocculating agent and the raw water are easily uniformly mixed, but in a large-batch raw water flocculation precipitation, for example, when the raw water flocculation precipitation is carried out in one-time and large-batch manner through a precipitation tank, although the stirring manner can also uniformly mix the flocculating agent and the raw water, the time and the effort are more, the time and the effort are wasted, and the raw water and the flocculating agent in the precipitation tank are not uniformly mixed, so that the novel pretreatment device for the desalted water is provided.

Disclosure of Invention

In order to solve the problems mentioned in the background, the utility model provides a novel desalted water pretreatment device.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows.

The utility model provides a novel desalination pretreatment of water device, including sedimentation tank and filtering pond and the suction pump of setting between the two, coaxial rotation installs the main shaft in the sedimentation tank, the outer disc of main shaft is provided with the stirring leaf along radial, the inside cavity and the opening part of stirring leaf are provided with the apron, the orifice has been seted up on the apron, orifice department of orifice is provided with the spray tube, be provided with the check valve that is used for making fluid flow in the unidirectional orientation sedimentation tank in the stirring leaf on the spray tube, the upper end opening of main shaft, the lower extreme is sealed and the outer disc is provided with the side opening that is used for with stirring leaf intercommunication, the upper opening end of main shaft is provided with the feeding pipe through rotary joint, the other end and the constant delivery pump intercommunication of feeding pipe.

Further, the orifice is provided with a plurality of along the extending direction array of stirring leaf, and the stirring leaf is provided with a plurality of and forms stirring leaf row along the circumferencial direction array of main shaft, and stirring leaf row is provided with the multiunit along the axial array of main shaft again.

Further, a bracket is arranged in the sedimentation tank, the main shaft is arranged on the bracket, and a motor for driving the main shaft to rotate is further arranged on the bracket.

Further, the bottom of the sedimentation tank is provided with a table-board shape with the horizontal cross section area gradually increased from bottom to top, the bottom of the table-board is provided with a liquid discharge pipe, and the other end of the liquid discharge pipe is communicated with the liquid inlet end of the water suction pump.

Further, the stirring blade is formed by two groups of inclined planes along the circumferential direction of the main shaft and positioned right in front, the distance between the two groups of inclined planes is decreased along the rotation direction of the stirring blade, and the spray hole is arranged on the surface of the stirring blade along the circumferential direction of the main shaft and positioned right behind.

Further, the liquid outlet end of the water suction pump is provided with a liquid inlet pipe, the other end of the liquid inlet pipe is detachably provided with a connecting pipe, and the other end of the connecting pipe is provided with a filter element.

Further, the filter core is in a hollow cylinder shape, and a plurality of filter holes are uniformly formed in the outer surface of the filter core.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, the flocculating agent is added and conveyed towards the sedimentation tank through the spray pipes, the spray pipes are arranged on the stirring blades in an array manner, and the stirring blades are uniformly distributed at intervals in the sedimentation tank, so that the flocculating agent is uniformly conveyed towards the sedimentation tank, and the stirring blades can stir raw water in the sedimentation tank while conveying the raw water, and the stirring can ensure that the flocculating agent is uniformly mixed with the raw water, so that the flocculating agent is uniformly distributed in the sedimentation tank after the flocculating agent is added, and is uniformly mixed with the raw water, that is, the flocculating agent can be rapidly and uniformly mixed with the raw water, and the efficiency is higher.

In the utility model, as the filter holes are uniformly arranged on the outer surface of the filter element, the area of the filter element for realizing the filtration is larger, the filtration efficiency is faster, the connecting pipe and the liquid inlet pipe can be disassembled after the filtration is completed, and then the end cover of the filter element is opened to clean the sediment in the filter element, so that the cleaning is more convenient.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a sedimentation tank;

FIG. 3 is a schematic view of a spindle and stirring blade;

FIG. 4 is a partial schematic view of a spindle;

FIG. 5 is a partial schematic view of a stirring blade;

fig. 6 is an exploded view of the filter cartridge and the feed tube.

The reference numerals in the drawings are:

1. a frame body; 2. a sedimentation tank; 3. a bracket; 4. a liquid discharge pipe; 5. a main shaft; 6. a side hole; 7. a connecting seat; 8. a connecting shaft; 9. stirring the leaves; 10. a cover plate; 11. a spray pipe; 12. a filter tank; 13. a liquid inlet pipe; 14. a filter element; 15. and (5) taking over.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1 to 6, a novel desalting water pretreatment device comprises a sedimentation tank 2, a filter tank 12 and a water suction pump arranged between the sedimentation tank 2 and the filter tank, wherein the sedimentation tank 2 is arranged on a frame body 1 and is used for flocculating and settling raw water by adding a flocculating agent, and after a preset time, the water suction pump pumps the raw water in the sedimentation tank 2 and sediment into the filter tank 12 together, and the sediment is filtered by the filter tank 12.

Sedimentation tank 2:

as shown in fig. 2-5, a support 3 is disposed in the sedimentation tank 2, a spindle 5 disposed vertically is mounted on the support 3, preferably, the sedimentation tank 2 is cylindrical, the spindle 5 is coaxial with the sedimentation tank 2, a motor for driving the spindle 5 to rotate is further disposed on the support 3, and the motor is of the prior art and is not illustrated in the drawings.

The outer circle surface of the main shaft 5 is provided with stirring blades 9 along the radial direction, the stirring blades 9 are arranged in an array manner along the circumferential direction of the main shaft 5 to form a plurality of stirring blade rows, and the stirring blade rows are also arranged in a plurality of groups along the axial direction of the main shaft 5.

The stirring blade 9 is hollow in the interior and is provided with a cover plate 10 at the opening, the cover plate 10 is provided with spray holes, the orifice of each spray hole is provided with a spray pipe 11, each spray pipe 11 is provided with a one-way valve for enabling fluid to flow from the stirring blade 9 to the sedimentation tank 2 in a one-way manner, and preferably, the spray holes are arranged in an array along the extending direction of the stirring blade 9.

The upper end opening, the lower extreme of main shaft 5 is sealed and the outer disc is provided with the side opening 6 that is used for with stirring leaf 9 intercommunication, the upper opening end of main shaft 5 is provided with the feeding pipe through rotary joint, the other end and the constant delivery pump of feeding pipe communicate, the flocculating agent is general liquid or solid particle, the latter can add the raw water and form liquid, then the interior volume transport of orientation main shaft 5 through the constant delivery pump, finally the flocculating agent is through the check valve, spray tube 11 flows in orientation sedimentation tank 2, the constant delivery pump is a pump shaft rotation a week discharge capacity fixed hydraulic pump, so can realize carrying quantitative flocculating agent towards sedimentation tank 2 through the constant delivery pump, the constant delivery pump is realizable for prior art, do not give a detailed description, not make the illustration in the figure.

The bottom of the sedimentation tank 2 is provided with a table-board shape with the horizontal cross section area gradually increasing from bottom to top, the bottom of the table-board is provided with a liquid discharge pipe 4, and the other end of the liquid discharge pipe 4 is communicated with the liquid inlet end of the water pump.

The sedimentation process in the sedimentation tank 2 is specifically expressed as follows:

firstly, raw water is conveyed into a sedimentation tank 2;

then, the motor drives the main shaft 5 and the stirring blade 9 to rotate together, and at the same time, the constant delivery pump pulls the flocculating agent to quantitatively convey towards the sedimentation tank 2, and the flocculating agent flows towards the sedimentation tank 2 in a one-way due to the existence of the one-way valve, after the flocculating agent amount in the sedimentation tank 2 reaches a preset value, the constant delivery pump stops running, and the one-way valve separates raw water in the sedimentation tank 2 from the flocculating agent in the stirring blade 9;

in the above process, the flocculant is added and conveyed towards the sedimentation tank 2 through the spray pipe 11, the spray pipes 11 are arranged on the stirring blades 9 in an array manner, the stirring blades 9 are uniformly and alternately distributed in the sedimentation tank 2, so that the flocculant is uniformly conveyed towards the sedimentation tank 2, raw water in the sedimentation tank 2 is stirred by the stirring blades 9 during conveying, the flocculant and the raw water are uniformly mixed by stirring, and the flocculant is uniformly distributed in the sedimentation tank 2 after the flocculant is added, and is uniformly mixed with the raw water, that is, the flocculant can be rapidly and uniformly mixed with the raw water, and the efficiency is higher.

Then, the motor stops running and is stationary for a preset time, so that the raw water is flocculated and precipitated.

Further, as shown in fig. 4 and 5, in order to facilitate connection between the stirring blade 9 and the main shaft 5, a notch is formed in the outer circumferential surface of the main shaft 5 in a penetrating manner in the axial direction, the notch enables the outer circumferential surface of the main shaft 5 to form a plane, a connecting seat 7 is detachably mounted on the plane in a bolt or other manner, a connecting shaft 8 extends from the end surface of the connecting seat 7, the stirring blade 9 is connected with the suspension end of the connecting shaft 8, the connecting shaft 8 is in a hollow shaft shape, a connecting hole for communicating the connecting shaft 8 with the side hole 6 is formed in the connecting seat 7, and a middle hole for communicating the stirring blade 9 with the connecting shaft 8 is formed in the side surface of the stirring blade 9.

Further, because the flocculating agent is evenly conveyed towards the inside of the sedimentation tank 2, the stirring blade 9 slightly stirs raw water in the sedimentation tank 2 to enable the raw water and the flocculating agent to be evenly mixed, and on the basis, as shown in fig. 5, the stirring blade 9 is formed by two groups of inclined planes along the circumferential direction of the main shaft 5 and positioned right in front, and the distance between the two groups of inclined planes is gradually decreased along the rotating direction of the stirring blade 9, and the flocculating agent is characterized in that the two groups of inclined planes play a role in breaking waves, so that the waves brought by the rotation of the stirring blade 9 are too large in the stirring process, and the raw water in the sedimentation tank 2 is splashed towards the bank.

Further, as shown in fig. 5, the spray hole is disposed on the surface of the stirring blade 9 along the circumferential direction of the main shaft 5 and located right behind, which is in the meaning of making the flocculant more stable and smooth in the process of conveying toward the sedimentation tank 2, and if the spray hole is disposed on the surface of the stirring blade 9 along the circumferential direction of the main shaft 5 and located right in front, then the spray pipe 11 and the check valve disposed thereon are impacted by water flow, so that the flocculant needs more pressure to overcome the check valve to convey toward the sedimentation tank 2.

And (2) a filter tank 12:

as shown in fig. 1 and 6, a liquid outlet end of the water pump is provided with a liquid inlet pipe 13, the other end of the liquid inlet pipe 13 is detachably provided with a connecting pipe 15, such as a screw mounting mode or a bolt mounting mode, and the like, the other end of the connecting pipe 15 is provided with a filter element 14, the filter element 14 is in a hollow cylinder shape in the interior, and a plurality of filter holes are uniformly formed on the outer surface of the filter element 14.

After the raw water in the sedimentation tank 2 is well precipitated, the raw water and the precipitate are conveyed towards the inside of the filter tank 12 by suction of a water suction pump, in the process, the raw water is filtered by the filter element 14, and as the filter holes are uniformly distributed on the outer surface of the filter element 14, the filtering efficiency is high, after the filtering is finished, the connecting pipe 15 and the liquid inlet pipe 13 can be detached, and then the end cover of the filter element 14 is opened to clean the precipitate in the filter element.

In the above process, the water pump is equivalent to a valve, and when the water pump is not started, the sedimentation tank 2 and the filter tank 12 are separated, and of course, a control valve may be disposed at the connection position of the liquid discharge pipe 4 and the sedimentation tank 2.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a novel demineralized water pretreatment device, includes sedimentation tank (2) and filtering pond (12) and sets up the suction pump between the two, its characterized in that: the main shaft (5) is installed in the sedimentation tank (2) in a coaxial rotation mode, the stirring blades (9) are arranged on the outer circular surface of the main shaft (5) along the radial direction, the cover plate (10) is arranged at the opening position of the stirring blades (9), the spray holes are formed in the cover plate (10), the spray pipes (11) are arranged at the positions of the orifices of the spray holes, the check valves used for enabling fluid to flow from the stirring blades (9) to the sedimentation tank (2) in a unidirectional mode are arranged on the spray pipes (11), the upper end opening and the lower end of the main shaft (5) are closed, the outer circular surface of the main shaft is provided with side holes (6) used for being communicated with the stirring blades (9), the feeding pipe is arranged at the upper opening end of the main shaft (5) through the rotary joint, and the other end of the feeding pipe is communicated with the dosing pump.

2. The novel desalted water pretreatment device according to claim 1, wherein: the spray holes are arranged in an array along the extending direction of the stirring blades (9), the stirring blades (9) are arranged in an array along the circumferential direction of the main shaft (5) to form stirring blade rows, and the stirring blade rows are also arranged in a plurality of groups along the axial array of the main shaft (5).

3. The novel desalted water pretreatment device according to claim 1, wherein: a bracket (3) is arranged in the sedimentation tank (2), a main shaft (5) is arranged on the bracket (3), and a motor for driving the main shaft (5) to rotate is also arranged on the bracket (3).

4. The novel desalted water pretreatment device according to claim 1, wherein: the bottom of the sedimentation tank (2) is provided with a table-board shape with the horizontal cross section area gradually increased from bottom to top, the bottom of the table-board is provided with a liquid discharge pipe (4), and the other end of the liquid discharge pipe (4) is communicated with the liquid inlet end of the water suction pump.

5. The novel desalted water pretreatment device according to claim 2, wherein: the stirring blade (9) is formed by two groups of inclined planes along the circumferential direction of the main shaft (5) and positioned right in front, the distance between the two groups of inclined planes is gradually reduced along the rotation direction of the stirring blade (9), and the spray hole is arranged on the surface of the stirring blade (9) along the circumferential direction of the main shaft (5) and positioned right behind.

6. A novel desalted water pretreatment device as set forth in claim 4, the method is characterized in that: the liquid outlet end of the water pump is provided with a liquid inlet pipe (13), the other end of the liquid inlet pipe (13) is detachably provided with a connecting pipe (15), and the other end of the connecting pipe (15) is provided with a filter element (14).

7. The novel desalted water pretreatment device according to claim 6, wherein: the filter element (14) is in a column shape with a hollow inside, and a plurality of filter holes are uniformly formed on the outer surface of the filter element (14).