CN214319155U

CN214319155U - Drying device

Info

Publication number: CN214319155U
Application number: CN202022786495.9U
Authority: CN
Inventors: 代超; 秦小兵; 叶翔; 邓良德; 齐洪广; 戴荣富
Original assignee: Shenzhen Crystal Energy Tech Co ltd
Current assignee: Shenzhen Jiejing Technology Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-10-01
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a drying device, which comprises a shell, wherein the shell is provided with a cavity, and a solution is introduced into the cavity; the first drying pieces are sequentially arranged along the axial direction of the shell and are used for transferring heat to the solution; the second drying part extends along the radial direction of the shell and is used for transferring heat to the solution, a through hole is formed in the middle of the second drying part, and the solution flows through the through hole after flowing out of the edge of the first drying part. The utility model discloses a drying device can increase the heat exchange area of solution, promotes crystallization efficiency.

Description

Drying device

Technical Field

The utility model relates to a concentrated dry technical field of solution especially relates to a drying device.

Background

The evaporation refers to a mode of heating and boiling the solvent in the solution, and is a process of heating and evaporating the solvent and gradually concentrating the solute. In modern industrial production and daily life, evaporation and concentration are ubiquitous, and evaporative crystallization equipment is widely adopted.

In the related art, the heat exchange efficiency of the evaporative crystallization equipment is low, so that the solvent evaporation efficiency is low, the solute crystallization efficiency is low, and the production is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a drying device can accelerate the evaporation efficiency of solvent.

According to the utility model discloses a drying device of first aspect embodiment includes: the device comprises a shell, a liquid storage tank and a liquid outlet pipe, wherein the shell is provided with a cavity, and a solution is introduced into the cavity; a first drying member extending in a radial direction of the housing for transferring heat to the solution; the second drying part extends along the radial direction of the shell and is used for transferring heat to the solution, a through hole is formed in the middle of the second drying part, and the solution flows through the through hole after flowing out of the edge of the first drying part.

According to the utility model discloses drying device has following beneficial effect at least: through being equipped with first drying and second drying, and the middle part of second drying forms the through-hole, be used for supplying solution to pass through, thereby make solution let in the cavity of casing back, the middle part through-hole of second drying is flowed through from the edge of first drying, form from interior to exterior circulation process on first drying and second drying in the cavity of casing, and because first drying and second drying are used for transmitting the heat to solution, make solution can the circulation heating, the mode of setting up of first drying and second drying increases the heat transfer area with solution, increase heat exchange efficiency, promote the evaporation of solvent, thereby accelerate the crystallization of solute.

According to some embodiments of the present invention, the first drying member is formed with a first flow passage, the second drying member is formed with a second flow passage, the drying device further includes a heating mechanism for generating hot fluid that flows through the first flow passage and the second flow passage, respectively.

According to the utility model discloses a some embodiments, drying device still includes first person in charge, the second is responsible for and a plurality of branch pipe, first person in charge is used for supplying hot fluid lets in the cavity, the second is responsible for and is used for supplying hot fluid is followed discharge in the cavity, first person in charge with the second is responsible for and is connected with a plurality of the branch pipe, first runner with correspond in the second runner respectively communicate one the branch pipe.

According to some embodiments of the invention, the branch pipe is in all spiral shapes in the first runner and in the second runner.

According to some embodiments of the utility model, drying device still is equipped with the pivot, the pivot is located in the cavity, and can drive by the driving piece and rotate, first dry piece encircle in outside the pivot, the pivot is passed the through-hole, drying device still includes first scraping mechanism, first scraping mechanism can by the pivot drives the rotation, be used for right first dry piece with the surface of second dry piece is scraped the material.

According to some embodiments of the utility model, first scraping mechanism includes that first set scrapes material spare and second set scrapes material spare, first set scrapes material spare is used for right the first dry piece surface scrapes the material, the second set scrapes material spare is used for right the second dry piece surface scrapes the material.

According to some embodiments of the present invention, the first set of scraper members comprises at least one first scraper member set and at least one second scraper member set, the number of scraper members of the first scraper member set and the number of scraper members of the second scraper member set are unequal, and the first scraper member set and the second scraper member set are alternately arranged.

According to some embodiments of the invention, the second set of scraper members comprises at least one third scraper member set and at least one fourth scraper member set, the number of scraper members of the third scraper member set being unequal to the number of scraper members of the fourth scraper member set, and the third scraper member set and the fourth scraper member set being arranged alternately. According to some embodiments of the utility model, drying device still includes the cooling member, the casing bottom is equipped with the bin outlet, drying device is in cooling member department lets in the coolant liquid, so that solute in the solution solidifies and follows discharge in the bin outlet.

According to some embodiments of the utility model, still be equipped with the second in the casing and scrape material mechanism, the second scrape material mechanism be used for right the cooling part surface is scraped the material.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural diagram of a drying device according to an embodiment of the present invention;

FIG. 2 is a reference view showing a flow state of a solution in the drying apparatus of FIG. 1;

FIG. 3 is a top plan view of the first drying element of FIG. 1;

FIG. 4 is a top plan view of the second drying element of FIG. 1;

FIG. 5 is a schematic view of the hot fluid exhaust of FIG. 1;

FIG. 6 is a reference view of the direction of flow of the hot fluid in the first drying element;

FIG. 7 is a reference view showing a flow direction of the hot fluid in the second drying element;

fig. 8 is a top view of the cooling element of fig. 1.

Reference numerals:

a drying device 100;

a shell 110, a feeding port 111, a feeding pipeline 112, an exhaust port 113, a discharge port 114 and a cooling liquid inlet 115;

a rotating shaft 120, a mounting shaft 121 and an elastic member 122;

a first drying member 130, a first support member 131, a blocking member 132;

a second drying member 140, a through hole 141, a second support 142;

a first scraper mechanism 150, a first set of scraper members 151, a second set of scraper members 152, a first scraper group 1511, a second scraper group 1512, a third scraper group 1521, a fourth scraper group 1522;

a drive member 160;

a cooling member 170;

a second scraper mechanism 180, a fifth scraper group 181, a sixth scraper group 182;

a first main pipe 200, a branch pipe 210;

a second main tube 300.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 8, a drying device 100 according to an embodiment of the present invention includes a housing 110, a rotating shaft 120, a first drying member 130, a second drying member 140, and a first scraping mechanism 150.

Referring to fig. 1 and 2, the housing 110 has a cavity for introducing the solution, the first drying member 130 and the second drying member 140 are located in the cavity, the first drying member 130 is used for transferring heat to the solution, and the first drying member 130 extends along a radial direction of the housing 110; the second drying member 140 extends in a radial direction of the housing 110 for transferring heat to the solution, and a through hole 141 is formed along a middle portion of the second drying member 140, through which the solution flows after flowing out from an edge of the first drying member 130.

In the drying device 100, the first drying part 130 and the second drying part 140 are provided, and the through hole 141 is formed in the middle of the second drying part 140, and is used for allowing the solution to pass through, so that the solution flows through the through hole 141 in the middle of the second drying part 140 from the edge of the first drying part 130 after being introduced into the cavity of the housing 110, and a circulation process from inside to outside is formed on the first drying part 130 and the second drying part 140 in the cavity of the housing 110, specifically referring to fig. 2, and because the first drying part 130 and the second drying part 140 are used for transferring heat to the solution, the solution can be heated circularly, the heat exchange area with the solution is increased, the heat exchange efficiency is increased, the evaporation of the solvent is promoted, and the crystallization of the solute is accelerated.

Referring to fig. 1, a feeding port 111 is disposed at the top of the housing 110 for feeding a solution. Specifically, the solution is introduced into the cavity of the housing 110 through the inlet pipe 112, so that after the solution is introduced into the cavity of the housing 110 through the inlet pipe 112, the solution can be discharged onto the first drying part 130, and then an internal and external circulation alternation process can be formed between the first drying part 130 and the second drying part 140.

In addition, since the solvent in the solution is changed into gas to be evaporated when being heated, the gas outlet 113 is further provided at the top of the housing 110, so that the gaseous solvent is discharged, and the effect of separating the solvent from the solute is achieved.

It will be appreciated that the bottom of the housing 110 is provided with a discharge opening 114 so as to discharge the separated crystalline solute from the discharge opening 114 for evaporative crystallization.

Wherein, in an embodiment of the utility model, drying device 100 is still equipped with pivot 120, and pivot 120 is located the cavity, and can be driven by driving piece 160 and rotate, and first drying member 130 surrounds outside pivot 120, and pivot 120 passes through-hole 141, and drying device 100 still includes first scraping mechanism 150, and first scraping mechanism 150 can be driven by pivot 120 and rotate to be used for scraping the material to the surface of first drying member 130 and second drying member 140.

Specifically, in an embodiment of the present invention, the driving member 160 is disposed outside the bottom of the housing 110 and connected to the rotating shaft 120, so as to drive the rotating shaft 120 to rotate. In other embodiments, the driving member 160 may be disposed at the top of the housing 110.

The driving member 160 in this embodiment is a driving motor.

Referring to fig. 1 to 2, in an embodiment of the present invention, a plurality of first drying members 130 and a plurality of second drying members 140 are disposed in the housing 110, and the plurality of first drying members 130 and the plurality of second drying members 140 are alternately disposed from top to bottom in sequence, so that the solution forms a circulation process from inside to outside and from outside to inside, and referring to fig. 2, the heat exchange area is increased, the heat exchange efficiency is increased, the evaporation of the solvent is promoted, and the crystallization of the solute is accelerated.

The plurality of first drying parts 130 are sequentially arranged along the axial direction of the rotating shaft 120 and used for transferring heat to the solution, the first drying parts 130 are annular, and the rotating shaft 120 penetrates through the first drying parts 130, so that the first drying parts 130 can surround the rotating shaft 120.

Specifically, the first drying member 130 is fixed to the inner wall of the case 110 by a first support member 131. And the first drying part 130 is provided with an annular blocking member 132, the height of the blocking member 132 is higher than that of the first drying part 130, and the longitudinal section of the blocking member 132 is trapezoidal, so that when the solution is discharged onto the first drying part 130, the solution is prevented from excessively flowing down from the rotating shaft 120, and the solution flows out from the outer edge of the first drying part 130, thereby increasing the circulation area of the solution and heat.

Referring to fig. 1 to 2, in an embodiment of the present invention, a plurality of second drying members 140 are sequentially disposed along an axial direction of a rotating shaft 120 for transferring heat to a solution, a through hole 141 is formed in a middle portion of the second drying members 140, the rotating shaft passes through the through hole 141, and the solution flows through the through hole 141 after flowing out from an edge of the first drying member 130.

The second drying member 140 is annular and is fixed to the inner wall of the casing 110 by a second support member 142.

In addition, since the second drying member 140 is opened with the through hole 141 for the solution to flow through, the outer edge of the second drying member 140 is closer to the inner wall of the housing 110 than the outer edge of the first drying member 130, so that the second drying member 140 can have a sufficiently large heat exchange area.

Referring to fig. 1 to 4, in an embodiment of the present invention, the first scraping mechanism 150 can be rotated by the rotating shaft 120, so as to scrape the surfaces of the first drying part 130 and the second drying part 140. Thereby preventing solute from being accumulated on the first drying part 130 and the second drying part 140 and influencing the heat transfer of the first drying part 130 and the second drying part 140 to the solution.

The first scraping mechanism 150 may be configured to scrape all the surfaces of the first drying part 130 and the second drying part 140, or may scrape some of the surfaces of the first drying part 130 and the second drying part 140.

In an embodiment of the present invention, the first scraping mechanism 150 is used for scraping the surfaces of the first drying part 130 and the second drying part 140 disposed in the middle of the casing 110, and the first scraping mechanism 150 includes a plurality of scraping members. In other embodiments, the first scraping mechanism 150 may be configured to scrape all the surfaces of the first drying part 130 and the second drying part 140, so as to ensure that the first drying part 130 and the second drying part 140 can provide enough heat exchange area for the solution, and prevent the accumulated solute from affecting heat transfer.

Specifically, referring to fig. 1 and 3, the first scraping mechanism 150 includes a first set of scraping members 151 and a second set of scraping members 152, the first set of scraping members 151 is used for scraping the surface of the first drying member 130, and the second set of scraping members 152 is used for scraping the surface of the second drying member 140.

Referring to fig. 3, the first scraper set 151 includes at least one first scraper set 1511 and at least one second scraper set 1512, the number of the first scraper set 1511 is not equal to that of the second scraper set 1512, and the first scraper set 1511 and the second scraper set 1512 are alternately disposed, so as to ensure the cleaning effect on the surface of the first drying component 130 and prevent the crystal scale from accumulating on the first drying component 130.

Specifically, in one embodiment of the present invention, a singular number of scraping members are disposed on the first scraping member group 1511, and an even number of scraping members are disposed on the second scraping member group 1512. In other embodiments, a single number of scraping members may be disposed on the first scraping member group 1511, and a single number of scraping members may be disposed on the second scraping member group 1512, for example, 3 scraping members may be disposed on the first scraping member group 1511, and 5 scraping members may be disposed on the second scraping member group 1512. Alternatively, a double number of scraping members may be provided on the first scraping member group 1511, and a double number of scraping members may be provided on the second scraping member group 1512. For example, two scraper members may be disposed on the first scraper group 1511, and four scraper members may be disposed on the second scraper group 1512. Alternatively, the first scraper group 1511 and the second scraper group 1512 are provided with other numbers of scraper members, and the number is not limited herein.

Referring to fig. 4, the second set of scraper members 152 includes at least one third scraper set 1521 and at least one fourth scraper set 1522, the number of scraper members of the third scraper set 1521 is not equal to that of scraper members of the fourth scraper set 1522, and the third scraper set 1521 and the fourth scraper set 1522 are alternately arranged. Thereby ensuring the cleaning effect on the surface of the second drying part 140 and avoiding the accumulation of crystal scale on the second drying part 140.

Specifically, in one embodiment of the present invention, a singular number of scrapers are disposed on the third scraper set 1521, and a double number of scrapers are disposed on the fourth scraper set 1522. In other embodiments, a single number of scrapers may be disposed on the third scraper set 1521, and a single number of scrapers may be disposed on the fourth scraper set 1522, for example, 3 scrapers may be disposed on the third scraper set 1521, and 5 scrapers may be disposed on the fourth scraper set 1522. Alternatively, a double number of scraping members may be disposed on the third scraping member group 1521, and a double number of scraping members may be disposed on the fourth scraping member group 1522. For example, two scraper members may be disposed on the third scraper set 1521, and four scraper members may be disposed on the fourth scraper set 1522. Alternatively, the third scraper set 1521 and the fourth scraper set 1522 may be provided with other numbers of scraper members, which is not limited herein.

Specifically, referring to fig. 1, the rotating shaft 120 is provided with a mounting shaft 121, and the scraping member is connected to the mounting shaft 121 through an elastic member 122. Since crystals are formed on the surfaces of the first drying member 130 and the second drying member 140 during the drying process, the scraping member is connected to the mounting shaft 121 by the elastic member 122, so that the scraping member is prevented from being stuck during the scraping process.

Specifically, the elastic member 122 in the present embodiment is a spring.

Referring to fig. 1 and 5 to 7, in an embodiment of the present invention, the drying device 100 further includes a heating mechanism (not shown), a first flow channel is formed in the first drying part 130, a second flow channel is formed in the second drying part 140, and the heating mechanism is used for generating a hot fluid flowing through the first flow channel and the second flow channel.

Specifically, the hot fluid in this embodiment is steam.

The drying device 100 further includes a first main pipe 200, a second main pipe 300, and a plurality of branch pipes 210, the first main pipe 200 is used for introducing the heat supply fluid into the cavity of the housing 110, the second main pipe 300 is used for discharging the heat supply fluid from the cavity of the housing 110, the plurality of branch pipes 210 are connected between the first main pipe 200 and the second main pipe 300, and one branch pipe 210 is correspondingly connected in each of the first flow passage and the second flow passage. Therefore, the steam is discharged to the branch pipe 210 through the first main pipe 200, and then the heat is transferred to the first drying part 130 and the second drying part 140 through the branch pipe 210, and then the steam is collected and discharged from the second main pipe 300, so that the first drying part 130 and the second drying part 140 provide heat for the solution.

Referring to fig. 6 and 7, in particular, the branch pipe 210 is coiled in the first flow channel of the first drying part 130 and the second flow channel of the second drying part 140, so that heat circulates in the first drying part 130 and the second drying part 140, thereby increasing a contact area between the heat and the solution and increasing a heat exchange rate.

Referring to fig. 1 and 8, in an embodiment of the present invention, the drying device 100 further includes a cooling member 170, the bottom of the casing 110 is provided with a discharge opening 114, and the drying device 100 introduces a cooling liquid into the cooling member 170 to crystallize the solute in the solution and discharge the solute from the discharge opening 114.

It will be appreciated that the bottom of the housing 110 is also provided with a coolant inlet 115.

Wherein, the coolant liquid in this embodiment is water, because water is environmental protection material, cools off through using water, avoids producing the pollution to the environment.

In addition, it should be noted that, since the solute is condensed and crystallized on the cooling member 170, a second scraping mechanism 180 is further disposed in the housing 110, and the second scraping mechanism 180 is used for scraping the surface of the cooling member 170. Wherein the second scraping mechanism 180 is driven by the rotating shaft 120 to scrape the surface of the cooling member 170.

Specifically, the second scraping mechanism 180 includes at least one fifth scraping group 181 and at least one sixth scraping group 182, where the fifth scraping group 181 and the sixth scraping group 182 are alternately arranged, and the number of the scraping groups arranged on the fifth scraping group 181 and the sixth scraping group 182 is not equal, so as to ensure a scraping effect and avoid a dead angle.

In an embodiment of the present invention, three scraping members are disposed on the fifth scraping member group 181, and two scraping members are disposed on the sixth scraping member group 182. In other embodiments, other numbers of scraper sets may be provided for the fifth scraper set 181 and the sixth scraper set 182.

Above-mentioned drying device 100, branch pipe 210 all is the form of spiraling in the first runner of first drying part 130 and in the second runner of second drying part 140 to make the hot fluid have enough big heat transfer area to first drying part 130 and second drying part 140, and then make first drying part 130 and second drying part 140 have enough heat transfer area with the solution, increase the evaporation efficiency of solvent, and then accelerate the crystallization that appears of solute, promote drying efficiency.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. Drying apparatus, its characterized in that includes:

the device comprises a shell, a liquid storage tank and a liquid outlet pipe, wherein the shell is provided with a cavity, and a solution is introduced into the cavity;

a first drying member extending in a radial direction of the housing for transferring heat to the solution;

the second drying part extends along the radial direction of the shell and is used for transferring heat to the solution, a through hole is formed in the middle of the second drying part, and the solution flows through the through hole after flowing out of the edge of the first drying part.

2. The drying apparatus as claimed in claim 1, wherein a first flow passage is formed in the first drying member, a second flow passage is formed in the second drying member, and the drying apparatus further comprises a heating mechanism for generating hot fluid respectively flowing through the first flow passage and the second flow passage.

3. The drying apparatus as claimed in claim 2, further comprising a first main pipe, a second main pipe and a plurality of branch pipes, wherein the first main pipe is used for supplying the hot fluid to the cavity, the second main pipe is used for discharging the hot fluid from the cavity, the plurality of branch pipes are connected between the first main pipe and the second main pipe, and the first flow passage and the second flow passage are respectively communicated with one branch pipe.

4. Drying apparatus according to claim 3 in which the branch duct spirals both in the first flow passage and in the second flow passage.

5. The drying device according to claim 1, wherein the drying device further comprises a rotating shaft, the rotating shaft is located in the cavity and can be driven to rotate by a driving member, the first drying member surrounds the rotating shaft, the rotating shaft passes through the through hole, and the drying device further comprises a first scraping mechanism, the first scraping mechanism can be driven to rotate by the rotating shaft and is used for scraping the surfaces of the first drying member and the second drying member.

6. The drying apparatus of claim 5, wherein the first scraping mechanism comprises a first set of scraping members for scraping the first drying member surface and a second set of scraping members for scraping the second drying member surface.

7. The drying apparatus of claim 6, wherein the first set of scraper members comprises at least one first scraper member set and at least one second scraper member set, the number of scraper members of the first scraper member set and the number of scraper members of the second scraper member set are not equal, and the first scraper member set and the second scraper member set are alternately arranged.

8. The drying apparatus of claim 6, wherein the second set of scraper members comprises at least one third scraper member set and at least one fourth scraper member set, the number of scraper members of the third scraper member set and the number of scraper members of the fourth scraper member set are not equal, and the third scraper member set and the fourth scraper member set are alternately arranged.

9. The drying apparatus as claimed in claim 1, further comprising a cooling member, wherein a discharge opening is provided at a bottom of the housing, and wherein the drying apparatus is supplied with a cooling liquid at the cooling member to crystallize the solute in the solution and discharge the solute from the discharge opening.

10. The drying apparatus according to claim 9, wherein a second scraping mechanism is further provided in the housing, and the second scraping mechanism is configured to scrape the surface of the cooling member.