CN217367168U

CN217367168U - Magnesium chloride extraction element

Info

Publication number: CN217367168U
Application number: CN202221157081.2U
Authority: CN
Inventors: 巨生彬; 鲁英平; 郭亮; 汪洋; 曾坤
Original assignee: Qinghai Salt Lake Industry Co Ltd
Current assignee: Qinghai Salt Lake Industry Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-06
Anticipated expiration: 2032-05-13

Abstract

The utility model provides a magnesium chloride extraction element. The magnesium chloride extraction element includes: the liquid storage tank is used for storing materials; the concentration tank is communicated with the liquid storage tank; the heating element is arranged on the concentration tank; the stirring assembly comprises a first rotating shaft arranged on the concentration tank in a penetrating way and stirring blades arranged on the periphery of the first rotating shaft so as to stir the materials entering the concentration tank; the granulator is located the one side of concentrated jar, and the granulator is connected with concentrated jar, and the granulator includes the casing and sets up the air intake on the casing, and the air intake can communicate with cold source or external environment. The technical scheme of the utility model can solve the problem that the magnesium chloride concentration efficiency among the prior art is low.

Description

Magnesium chloride extraction element

Technical Field

The utility model relates to a magnesium chloride draws technical field particularly, relates to a magnesium chloride extraction element.

Background

In the process of drying salt in the sun by using seawater, more brine is generated, the brine contains more magnesium chloride, and in order to extract the magnesium chloride in the brine, the brine is usually concentrated and then granulated.

At present, the existing magnesium chloride extraction device adopts a process of directly heating brine, and the process has the problem that magnesium chloride is heated unevenly in the process of heating and concentrating magnesium chloride, so that the concentration efficiency of the device is low, resource waste can be caused, and the extracted magnesium chloride cannot meet the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a magnesium chloride extraction element to solve the problem that the magnesium chloride concentration efficiency among the prior art is low.

In order to achieve the above object, according to an aspect of the present invention, there is provided a magnesium chloride extraction device, including: the liquid storage tank is used for storing materials; the concentration tank is communicated with the liquid storage tank; the heating element is arranged on the concentration tank; the stirring assembly comprises a first rotating shaft arranged on the concentration tank in a penetrating way and stirring blades arranged on the periphery of the first rotating shaft so as to stir the materials entering the concentration tank; the granulator is located the one side of concentrated jar, and the granulator is connected with concentrated jar, and the granulator includes the casing and sets up the air intake on the casing, and the air intake can communicate with cold source or external environment.

Further, the first rotating shaft extends along the vertical direction, and the stirring blade is a spiral blade surrounding the first rotating shaft; or the stirring blades are arranged at intervals around the circumference of the first rotating shaft and are circular or rectangular or arc-shaped.

Further, concentrated jar is injectd the cavity, and the heating member is located the cavity and is connected with concentrated jar internal wall, and the heating member is located stirring vane's periphery.

Further, the stirring assembly further comprises a scraping plate arranged on the periphery of the first rotating shaft, and the scraping plate is provided with an arc-shaped surface matched with the shape of the inner wall of the concentration tank.

Further, the magnesium chloride extraction element still includes the first motor that is located the concentrated jar outside, and the output shaft and the first pivot drive of first motor are connected.

Further, the magnesium chloride extraction device also comprises a shaft seal positioned between the first motor and the first rotating shaft, and the shaft seal is connected with the first rotating shaft in a sealing way.

Further, magnesium chloride extraction element still includes the broken subassembly that is located the casing, and broken subassembly is located the below of air intake, and broken subassembly is used for carrying out the breakage to the material of exporting from the granulator.

Furthermore, crushing subassembly includes along the second pivot of horizontal direction through setting up on the casing and sets up the broken auger in the periphery of second pivot.

Further, be equipped with concentrated jar import and concentrated jar export on the concentrated jar, concentrated jar import sets up on the circumference lateral wall of concentrated jar, and concentrated jar export sets up in the bottom of concentrated jar, and magnesium chloride extraction element still includes the conveying line that is used for the granulator import of intercommunication granulator and concentrated jar export to and be located the power pump on the conveying line.

Furthermore, the magnesium chloride extraction device also comprises an anticorrosive layer arranged outside the liquid storage tank and a supporting seat positioned at the bottom of the liquid storage tank.

By applying the technical scheme of the utility model, the heating element can heat the concentration tank, so that the evaporation of the material in the concentration tank is accelerated, and the liquid material is concentrated into a molten state; the first pivot of drive rotates around its central axis, and stirring vane can stir the material in the concentrated jar along with first pivot synchronous rotation, stirring subassembly to make the material be heated evenly, like this, the total material concentration in the concentrated jar is the molten state, thereby can improve magnesium chloride extraction element's concentration efficiency. Through the air inlet of the granulator, cold air generated by an external cold source or natural air of an external environment can be conveyed into the granulator, and molten magnesium chloride is crystallized under the cooling effect of the cold air or the natural air and is converted into magnesium chloride crystals, so that the process of extracting magnesium chloride is completed.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of an embodiment of a magnesium chloride extraction device according to the present invention;

figure 2 shows a schematic structural view of another embodiment of the thickening tank of the magnesium chloride extraction device according to the present invention; and

fig. 3 shows a schematic view of the granulator of the magnesium chloride extraction device of fig. 1.

Wherein the figures include the following reference numerals:

1. a liquid storage tank; 10. a liquid storage cavity; 11. an anticorrosive layer; 12. a supporting seat; 13. an inlet of the liquid storage tank; 14. an outlet of the liquid storage tank; 15. connecting a pipeline; 16. a stirring blade; 17. a squeegee; 171. an arc-shaped surface; 18. a delivery line; 2. a concentration tank; 20. a cavity; 21. an inlet of the concentration tank; 22. an outlet of the concentration tank; 24. an exhaust port; 26. a first motor; 27. shaft sealing; 28. a first rotating shaft; 29. a heating member; 3. a granulator; 30. a housing; 31. an inlet of the granulator; 32. an air inlet; 33. a support frame; 34. an outlet of the granulator; 35. an outlet cover of the granulator; 36. a crushing assembly; 37. a second motor; 38. a second rotating shaft; 381. crushing the auger; 4. a power pump; 40. a stirring assembly; 5. a housing.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 3, an embodiment of the present invention provides a magnesium chloride extraction device. The magnesium chloride extraction element includes: the device comprises a liquid storage tank 1, a concentration tank 2, a heating element 29, a stirring component 40 and a granulator 3, wherein the liquid storage tank 1 is used for storing materials; the concentration tank 2 is communicated with the liquid storage tank 1; the heating element 29 is arranged on the concentration tank 2; the stirring assembly 40 comprises a first rotating shaft 28 arranged on the concentration tank 2 in a penetrating way and a stirring blade 16 arranged on the periphery of the first rotating shaft 28 so as to stir the materials entering the concentration tank 2; granulator 3 is located one side of concentrated jar 2, and granulator 3 is connected with concentrated jar 2, and granulator 3 includes casing 30 and sets up air intake 32 on casing 30, and air intake 32 can communicate with cold source or external environment.

In the above technical solution, the liquid storage tank 1 can store the material (such as purified brine) to be extracted with magnesium chloride, the heating element 29 in the concentration tank 2 is connected with an external power supply, and the heating element 29 can heat the concentration tank 2 to accelerate evaporation of the material in the concentration tank 2, so that the liquid material is concentrated into a molten state; when the temperature in the concentration tank 2 rises to a certain temperature (for example, 110 °), the stirring assembly 40 is activated to drive the first rotating shaft 28 to rotate around the central axis thereof, and the stirring blade 16 can rotate synchronously with the first rotating shaft 28, so that the stirring assembly 40 can stir the material in the concentration tank 2, thereby uniformly heating the material. The molten state materials can enter the granulator 3 from the concentration tank 2, cold air generated by an external cold source or natural air of an external environment can be conveyed into the granulator 3 through the air inlet 32 of the granulator 3, and the molten state magnesium chloride is crystallized under the cooling effect of the cold air or the natural air and is converted into magnesium chloride crystals, so that the process of extracting the magnesium chloride is completed.

Through the arrangement, the liquid material can be converted into magnesium chloride crystals after two steps of heating concentration and cooling crystallization, so that the effect of extracting magnesium chloride is realized; simultaneously, stir the material through stirring subassembly 40 after the heating, can make the material be heated more evenly, like this, the concentration of whole materials that is located concentration tank 2 is the molten state to can improve magnesium chloride extraction element's concentration efficiency.

As shown in fig. 1 and 2, in the embodiment of the present invention, the first rotating shaft 28 extends in a vertical direction, and the stirring blade 16 is a spiral blade surrounding the first rotating shaft 28.

Among the above-mentioned technical scheme, the roof of concentrated jar 2 is worn out to the one end of first pivot 28, and the other end of first pivot 28 is located concentrated jar 2, and helical blade establishes in the periphery of first pivot 28, through setting up spiral blade, can improve stirring assembly 40 to the stirring effect and the stirring effect of material to it is even to make the material be heated.

In an embodiment of the present invention, which is not shown in the drawings, the stirring blades 16 may also be arranged as follows according to the actual size and structural requirements: the stirring vanes 16 are a plurality of circular or rectangular vanes, and the plurality of stirring vanes 16 are provided at intervals in the circumferential direction or the axial direction around the first rotating shaft 28. Thus, when the first shaft 28 rotates around its central axis, the stirring blade 16 can also stir the material so that the material is heated uniformly.

As shown in fig. 1 and 2, in the embodiment of the present invention, the concentration tank 2 defines a cavity 20, the heating member 29 is located in the cavity 20 and connected to the inner wall surface of the concentration tank 2, and the heating member 29 is located on the outer periphery of the stirring blade 16.

In above-mentioned technical scheme, heating member 29 is the coil pipe around the internal face spiral setting of concentrated jar 2, and like this, the surface area of coil pipe is great, and the coil pipe can make and heat up in the concentrated jar 2 rapidly, simultaneously, because the coil pipe evenly arranges in the circumference of concentrated jar 2, can make the material in the concentrated jar 2 be heated evenly simultaneously rapidly concentrated and form molten state magnesium chloride like this. In addition, the internal diameter of heating member 29 is greater than stirring vane 16's external diameter, and setting up like this, heating member 29 and stirring vane 16 can not mutually interfere, independently heat and stir the material in the concentration jar 2 respectively to improve magnesium chloride extraction element and to the concentration efficiency of magnesium chloride.

In an embodiment not shown in the drawings of the present invention, the heating member 29 may also be a plurality of heating pipes disposed at intervals around the circumference of the concentration tank 2, and the plurality of heating pipes may be one or more of a straight single-end pipe, a straight double-end pipe, a U-shaped pipe, a W-shaped pipe, or a special pipe.

As shown in fig. 1 and 2, in the embodiment of the present invention, the stirring assembly 40 further includes a scraper 17 disposed at the periphery of the first rotating shaft 28, and the scraper 17 has an arc surface 171 matching with the shape of the inner wall of the concentration tank 2.

In above-mentioned technical scheme, when first pivot 28 rotated around its central axis, scraper blade 17 and the inner wall sliding fit of concentrated jar 2, scraper blade 17 can be scraped the material that deposits on the diapire of concentrated jar 2 or the lateral wall like this to can avoid the material to remain the problem that leads to magnesium chloride extraction element's concentration efficiency to reduce.

As shown in fig. 1 and 2, in the embodiment of the present invention, the magnesium chloride extraction device further includes a first motor 26 located outside the concentration tank 2, and an output shaft of the first motor 26 is drivingly connected to the first rotating shaft 28.

In the above technical solution, the first motor 26 is disposed on the top wall of the concentration tank 2, so as to be in driving connection with one end of the first rotating shaft 28, which penetrates out of the concentration tank 2, and the first motor 26 can drive the first rotating shaft 28 to rotate around the central axis thereof, so that the stirring assembly 40 stirs the material in the concentration tank 2; meanwhile, the first motor 26 is arranged outside the concentration tank 2, so that the interference of the materials in the concentration tank 2 on the first motor 26 can be avoided. In addition, the top wall of the concentration tank 2 is also provided with an exhaust port 24, and steam generated in the heating and evaporating process of the materials in the concentration tank 2 can be exhausted through the exhaust port 24.

As shown in fig. 1 and 2, in the embodiment of the present invention, the magnesium chloride extracting apparatus further includes a shaft seal 27 located between the first motor 26 and the first rotating shaft 28, and the shaft seal 27 is connected to the first rotating shaft 28 in a sealing manner.

Through the arrangement, the shaft seal 27 can play a role in sealing the first rotating shaft 28, so that the materials in the concentration tank 2 are prevented from overflowing, and the external air can be prevented from entering the concentration tank 2; meanwhile, the side of the shaft seal 27 facing away from the concentrating tank 2 can also be used for supporting the first motor 26, so that the device is compact in structure.

As shown in fig. 1 and 3, in the embodiment of the present invention, the magnesium chloride extraction device further includes a crushing assembly 36 located in the housing 30, the crushing assembly 36 is located below the air inlet 32, and the crushing assembly 36 is used for crushing the material output from the granulator 3.

In the above technical solution, a granulator inlet 31, an air inlet 32, a crushing module 36, a granulator outlet 34 and a granulator outlet cover 35 arranged at the granulator outlet 34 are sequentially arranged in the housing 30 from top to bottom, molten magnesium chloride enters the housing 30 through the granulator inlet 31, cold air is input through the air inlet 32, the molten magnesium chloride is cooled and crystallized to form magnesium chloride crystals under the cooling effect of the cold air, the magnesium chloride crystals pass through the crushing module 36 to form magnesium chloride particles, and the granulator outlet cover 35 is opened, so that the magnesium chloride particles can be collected from the granulator outlet 34. In addition, the bottom of the pelletizer 3 is provided with a support frame 33 for supporting the pelletizer 3.

As shown in fig. 1 and 3, in the embodiment of the present invention, the crushing assembly 36 includes a second rotating shaft 38 horizontally passing through the housing 30 and a crushing auger 381 disposed at the periphery of the second rotating shaft 38.

In the above technical solution, the crushing assembly 36 further includes a second motor 37, one end of the second rotating shaft 38 penetrates through the housing 30 and is connected to the second motor 37, the second rotating shaft 38 rotates around its central axis under the driving of the second motor 37, and the crushing auger 381 located at the periphery of the second rotating shaft 38 can crush the magnesium chloride crystals, so as to obtain magnesium chloride particles.

Preferably, the crushing auger 381 comprises a plurality of crushing blades arranged at intervals.

In an embodiment of the invention, which is not shown in the drawings, the crushing auger 381 may also be a helical blade around the second rotation axis 38.

As shown in fig. 1, in the embodiment of the present invention, a concentration tank inlet 21 and a concentration tank outlet 22 are provided on the concentration tank 2, the concentration tank inlet 21 is provided on the circumferential side wall of the concentration tank 2, the concentration tank outlet 22 is provided at the bottom of the concentration tank 2, the magnesium chloride extraction device further includes a conveying pipeline 18 for communicating the concentration tank outlet 22 and the granulator inlet 31 of the granulator 3, and a power pump 4 located on the conveying pipeline 18.

In the technical scheme, the inlet 21 of the concentration tank is communicated with the outlet 14 of the liquid storage tank through the connecting pipeline 15 so as to communicate the concentration tank 2 with the liquid storage tank 1; the outlet 22 of the concentration tank is communicated with the inlet 31 of the granulator through a conveying pipeline 18 so as to communicate the concentration tank 2 with the granulator 3, the power pump 4 on the conveying pipeline 18 is connected with an external power supply, and the power pump 4 can convey the molten magnesium chloride at the outlet 22 of the concentration tank at the lower part to the inlet 31 of the granulator at the upper part.

As shown in fig. 1, the thickening tank inlet 21 is provided at a position lower than the middle of the side wall of the thickening tank 2.

Of course, in another embodiment, as shown in fig. 2, the thickening tank inlet 21 may be provided at a position intermediate and upper to the side wall of the thickening tank 2.

It should be noted that the tank outlet 14 may be located at a lower middle position of the tank 1 as shown in FIG. 1, or may be located at an upper middle position of the tank 1 as desired.

Or a delivery pump can be arranged on the connecting pipeline 15 between the outlet 14 of the liquid storage tank and the inlet 21 of the concentration tank according to actual requirements, so that the materials in the liquid storage tank 1 can be conveniently delivered into the concentration tank 2.

Preferably, the power pump 4 is a lift pump, and the lift pump can convey materials at a low position to a high position, so that liquid in the conveying pipeline 18 is effectively prevented from flowing back.

Preferably, the thickening tank 2 has a vertical cylindrical structure.

As shown in fig. 1, in the embodiment of the present invention, the magnesium chloride extraction device further includes an anti-corrosion layer 11 disposed outside the liquid storage tank 1 and a support seat 12 located at the bottom of the liquid storage tank 1.

In the above technical solution, the liquid storage tank 1 comprises a housing 5, the housing 5 defines a liquid storage chamber 10, and the housing 5 is further provided with a liquid storage tank inlet 13 and a liquid storage tank outlet 14 which are communicated with the liquid storage chamber 10; wherein, the liquid storage cavity 10 is used for storing materials, and the liquid storage tank 1 is communicated with the concentration tank 2 through an outlet 14 of the liquid storage tank; the anticorrosive layer 11 is arranged on the outer side of the shell 5, so that the corrosion of materials to the external environment is reduced; the supporting seat 12 is used for supporting the liquid storage tank 1, so that the pollution of the materials in the liquid storage tank 1 to the ground can be reduced.

Preferably, the top of the housing 5 is of an arc-shaped configuration.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: the heating element can heat the concentration tank to accelerate evaporation of the material in the concentration tank, so that the liquid material is concentrated into a molten state; the first pivot of drive rotates around its central axis, and stirring vane can stir the material in the concentrated jar along with first pivot synchronous rotation, stirring subassembly to make the material be heated evenly, like this, the total material concentration in the concentrated jar is the molten state, thereby can improve magnesium chloride extraction element's concentration efficiency. The air inlet of the granulator can convey cold air generated by an external cold source or natural air of an external environment into the granulator, and the magnesium chloride in a molten state is crystallized under the cooling effect of the cold air or the natural air and is converted into magnesium chloride crystals, so that the process of extracting the magnesium chloride is completed. In addition, the spiral stirring blade can improve the stirring effect and the stirring effect of the stirring assembly on the materials; the heating element is a coil pipe spirally arranged around the inner wall surface of the concentration tank, and the coil pipe can ensure that the material in the concentration tank is uniformly heated and is rapidly concentrated to form molten magnesium chloride; the scraper can scrape materials deposited on the bottom wall or the side wall of the concentration tank; the first motor can drive the stirring assembly to stir the materials in the concentration tank; the shaft seal can play a role in sealing the first rotating shaft and simultaneously support the first motor; the crushing assembly is used for crushing the magnesium chloride crystals output by the granulator to form magnesium chloride particles; the power pump can convey the molten magnesium chloride at the outlet of the concentration tank at the lower part to the inlet of the granulator at the higher part; the corrosion of the material to the external environment can be reduced by the anticorrosive layer; the supporting seat can reduce the pollution of the materials in the liquid storage tank to the ground.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A magnesium chloride extraction device, comprising:

the liquid storage tank (1) is used for storing materials;

the concentration tank (2) is communicated with the liquid storage tank (1);

a heating member (29) provided on the concentration tank (2);

the stirring assembly (40) comprises a first rotating shaft (28) arranged on the concentration tank (2) in a penetrating mode and stirring blades (16) arranged on the periphery of the first rotating shaft (28) so as to stir the materials entering the concentration tank (2);

granulator (3), be located one side of concentrated jar (2), just granulator (3) with concentrated jar (2) are connected, granulator (3) are including casing (30) and setting up air intake (32) on casing (30), air intake (32) can communicate with cold source or external environment.

2. The magnesium chloride extraction device according to claim 1, wherein the first rotating shaft (28) extends in a vertical direction, and the stirring blade (16) is a helical blade that surrounds the first rotating shaft (28); or,

stirring vane (16) are a plurality of, and is a plurality of stirring vane (16) wind the circumference interval setting of first pivot (28), stirring vane (16) are circular or rectangle or arc.

3. The magnesium chloride extraction device according to claim 1, wherein the concentration tank (2) defines a cavity (20), the heating element (29) is located inside the cavity (20) and connected to an inner wall surface of the concentration tank (2), and the heating element (29) is located at an outer periphery of the stirring blade (16).

4. The magnesium chloride extraction device according to claim 1, wherein the stirring assembly (40) further comprises a scraper (17) disposed at the periphery of the first rotating shaft (28), the scraper (17) having an arc-shaped surface (171) matching the shape of the inner wall of the concentration tank (2).

5. The magnesium chloride extraction device according to claim 1, further comprising a first motor (26) located outside the thickening tank (2), an output shaft of the first motor (26) being in driving connection with the first rotating shaft (28).

6. The magnesium chloride extraction device according to claim 5, further comprising a shaft seal (27) between the first motor (26) and the first shaft (28), wherein the shaft seal (27) is sealingly connected to the first shaft (28).

7. The magnesium chloride extraction device according to any one of claims 1 to 6, further comprising a crushing assembly (36) located within the housing (30), the crushing assembly (36) being located below the air intake (32), the crushing assembly (36) being for crushing the material output from the granulator (3).

8. The magnesium chloride extraction device according to claim 7, wherein the crushing assembly (36) comprises a second rotating shaft (38) horizontally arranged on the housing (30) and a crushing auger (381) arranged on the outer periphery of the second rotating shaft (38).

9. The magnesium chloride extraction device according to any one of claims 1 to 6, wherein a concentration tank inlet (21) and a concentration tank outlet (22) are provided on the concentration tank (2), the concentration tank inlet (21) is provided on a circumferential side wall of the concentration tank (2), the concentration tank outlet (22) is provided at a bottom of the concentration tank (2), the magnesium chloride extraction device further comprises a conveying pipeline (18) for communicating a granulator inlet (31) of the granulator (3) and the concentration tank outlet (22), and a power pump (4) located on the conveying pipeline (18).

10. The magnesium chloride extraction device according to any one of claims 1 to 6, further comprising an anti-corrosion layer (11) disposed outside the liquid storage tank (1) and a support base (12) located at the bottom of the liquid storage tank (1).