CN217154730U

CN217154730U - Material drying device

Info

Publication number: CN217154730U
Application number: CN202220832800.XU
Authority: CN
Inventors: 许文东; 孟令俭; 马志国
Original assignee: Qinhuangdao Manguo Chemical Machinery Co ltd
Current assignee: Qinhuangdao Manguo Equipment Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-09
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a material drying device, include: the drying kettle is positioned at the lower end of the side wall of the drying kettle and is provided with a discharge hole; the stirring mechanism is arranged in the drying kettle; the stirring mechanism comprises a stirring shaft extending into the drying kettle along the vertical direction and at least one group of stirring paddle components arranged on the stirring shaft, the stirring paddle components are arranged along the radial direction, and the other end of the stirring paddle component extends to the side wall of the drying kettle; and the driving mechanism is used for driving the stirring mechanism to rotate clockwise or anticlockwise in the drying kettle. Through improving the stirring rake subassembly structure to rabbling mechanism, set up stirring paddle leaf and row material paddle simultaneously in a set of stirring rake subassembly, with stirring paddle leaf and the reverse setting of the incline direction of arranging the material paddle leaf, when the realization is to the stirring of material, can realize arranging the material fast and handle the material, improve dry treatment effect of material and treatment effeciency.

Description

Material drying device

Technical Field

The utility model relates to a material drying equipment technical field, in particular to a material drying device for material drying handles.

Background

The vacuum dryer is generally used for drying materials, is widely applied to the fields of medicines, chemical engineering, materials and the like, and can quickly evaporate moisture in the materials by heating the materials to realize dehydration and drying of the materials. When the vacuum drier is used for drying, materials in the drier are usually overturned through the rotation of the driving stirring paddle so as to improve the drying efficiency of the materials.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the above-mentioned problem that current vacuum drying machine exists on treatment effect, treatment effeciency, provide a material drying device.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

material drying device includes:

the drying kettle is positioned at the lower end of the side wall of the drying kettle and is provided with a discharge hole;

the stirring mechanism is arranged in the drying kettle; the stirring mechanism comprises a stirring shaft extending into the drying kettle along the vertical direction and at least one group of stirring paddle components arranged on the stirring shaft, the stirring paddle components are arranged along the radial direction, and the other end of the stirring paddle component extends to the side wall of the drying kettle; the stirring paddle component comprises a stirring paddle for stirring materials and a discharging paddle for discharging materials, the stirring paddle and the discharging paddle are both obliquely arranged relative to the bottom surface of the drying kettle, when the stirring shaft rotates clockwise or anticlockwise, the inclination directions of the stirring paddle and the discharging paddle relative to the bottom surface of the drying kettle are opposite in the same rotating direction, and in the same stirring paddle component, the stirring paddle and the discharging paddle are overlapped at the upper end part;

and the driving mechanism is used for driving the stirring mechanism to rotate clockwise or anticlockwise in the drying kettle.

As a further improvement to the technical scheme, the included angle between the discharging paddle and the bottom surface of the drying kettle is larger than the included angle between the stirring paddle and the bottom surface of the drying kettle.

As a further improvement to the technical scheme, the included angle between the stirring blade and the bottom surface of the drying kettle is 30-40 degrees, and the included angle between the discharging blade and the bottom surface of the drying kettle is 45-75 degrees.

As a further improvement to the above technical scheme, a plurality of groups of stirring paddle assemblies are arranged on the stirring shaft;

in at least one group of stirring paddle components, a plurality of openings are formed in the stirring paddle and the discharging paddle, and the openings are formed in one ends, close to the bottom surface of the drying kettle, of the stirring paddle and the discharging paddle and are arranged at intervals along the longitudinal direction of the stirring paddle and the discharging paddle;

in at least one group of stirring paddle components, the stirring paddle and the discharging paddle are not provided with gaps.

As a further improvement to the technical scheme, the cross section of the stirring paddle component without the notch is smaller than that of the stirring paddle component with the notch.

As a further improvement to the above technical solution, during discharging operation, the action surface of the discharging paddle is inclined from inside to outside in a direction opposite to the rotation direction, so that the material can move toward the side wall of the drying kettle under the action of the discharging paddle.

As a further improvement to the technical scheme, the purging nozzles are arranged at the positions of the stirring paddle component and the discharge hole on the stirring shaft.

As a further improvement to the technical proposal, the lateral wall outside the drying kettle and the bottom of the drying kettle are provided with heating components;

heating element is the heating coil who coils the setting at dry kettle outside lateral wall, dry kettle bottom, heating coil cross section is half tubular construction.

As a further improvement to the technical scheme, the driving mechanism comprises a forward motor, a reverse motor and a clutch, wherein a driving shaft of the forward motor is connected with a driving shaft of the reverse motor through the clutch, and the reverse motor is connected with the stirring shaft.

The utility model discloses the beneficial effect who has:

1) the utility model discloses a stirring rake subassembly structure to rabbling mechanism in the device improves, set up stirring paddle leaf and row material paddle simultaneously in a set of stirring rake subassembly, with the reverse setting of the incline direction of stirring paddle leaf and row material paddle leaf, adopt the rabbling mechanism of this kind of structure, can realize when (mixing) shaft forward rotation, act on between stirring paddle leaf and the material in the stirring rake subassembly, the realization is to the stirring of material, when the (mixing) shaft reverse rotation, play between row material paddle leaf and the material in the stirring rake subassembly, the realization is to the quick row material processing of material, improve dry treatment effect of material and treatment effeciency.

2) The utility model discloses material drying device adopts the heating coil who sets up half pipe cross-section on dry kettle outer wall, and heating area is big, and heat transfer efficiency is high, has improved the drying efficiency of material, compares in double-layered shell type heating method, and dry kettle overall structure has better structural strength, can be applicable to the material drying device of large capacity bulky well.

3) The utility model discloses in through set up stirring paddle leaf simultaneously in rabbling mechanism and arrange the material paddle leaf, when material drying handles, through control rabbling mechanism corotation, reversal, can realize the stirring and the quick row material operation of material, improved material drying device's drying process efficiency greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive efforts.

Fig. 1 is the structure schematic diagram of the material drying device of the present invention.

Fig. 2 is a schematic view of the arrangement structure of the heating coil pipe at the bottom of the drying kettle in the material drying device of the present invention.

Fig. 3 is a top view of an embodiment of the stirring mechanism in the material drying device of the present invention.

Fig. 4 is the structural schematic diagram of the stirring paddle component provided with the opening in the stirring mechanism, which is arranged on the stirring shaft.

Fig. 5 is a partial schematic view of the structure of the stirring paddle assembly arranged on the stirring shaft in fig. 4.

Fig. 6 is a schematic diagram of the stirring mechanism of the stirring paddle assembly of the utility model, which is not provided with a notch, on the stirring shaft.

Fig. 7 is a partial schematic view of the structure of the stirring paddle assembly arranged on the stirring shaft in fig. 6.

In the figure:

100. the stirring mechanism comprises a stirring mechanism 110, a stirring shaft 121, a stirring blade with a notch, a discharging blade with a notch 122, a stirring blade without a notch 123, a stirring blade without a notch 124, a discharging blade without a notch 125, a notch 126, a blade plate 127, a scraping plate 128, a connecting plate 129, a scraping wall plate 130 and a blade seat;

alpha 1, an included angle between the stirring blade provided with the notch and the bottom surface of the drying kettle;

beta 1, an included angle between the discharging paddle provided with the notch and the bottom surface of the drying kettle;

alpha 2, an included angle between the stirring blade without the notch and the bottom surface of the drying kettle;

beta 2, an included angle between the discharge paddle without the notch and the bottom surface of the drying kettle;

200. a drying kettle 210 and a discharge hole;

300. a purge nozzle;

400. a heating coil;

510. forward motor, 520, reverse motor, 530, clutch;

610. go out feed cylinder, 620, discharge gate sealing member, 630, ejection of compact cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Referring to fig. 1, the material drying device in this embodiment includes a drying kettle 200 and an agitating mechanism 100 disposed in the drying kettle, and the material is added into the drying kettle, and is heated, and the material in the drying kettle is turned and turned over by the agitating mechanism during the heating and drying process, so as to improve the drying effect and drying efficiency of the drying device, and after the drying is completed, the material in the drying kettle is discharged by the agitating mechanism, and the drying operation of the material is realized by circulating in sequence.

The lower extreme at dry kettle 200 lateral wall is provided with the discharge gate 210 that is used for the ejection of compact, and discharge gate 210 position sets up out feed cylinder 610, sets up in the feed cylinder 610 with discharge gate complex discharge gate sealing member 620, sets up ejection of compact cylinder 630 on the feed cylinder 610, and discharge gate sealing member 620 is connected to the cylinder pole of ejection of compact cylinder 630, controls the action of discharge gate sealing member through ejection of compact cylinder, realizes opening and sealing of discharge gate.

Referring to fig. 1 and 2, heating assemblies are disposed on the outer side wall of the drying kettle 200 and at the bottom of the drying kettle, and the heating assemblies use heating coils 400 coiled on the outer side wall of the drying kettle and at the bottom of the drying kettle, and the cross section of the heating coils 400 is a half-pipe cross section. And introducing high-temperature liquid/heat-conducting oil into the heating coil to dry the materials in the drying kettle. The heating coil 400 has a half-pipe cross-section structure, so that the heating area between the coil and the drying kettle can be increased, and the heat transfer efficiency is high. Simultaneously, compare in jacket formula heating structure, set up heating coil 400 at drying kettle outside lateral wall and drying kettle bottom, can improve the whole atress of drying kettle, increase the overall structure intensity of drying kettle, make it can be applicable to the bulky material drying device of large capacity well.

Referring to fig. 3, 4 and 6, the stirring mechanism 100 in this embodiment includes a stirring shaft 110 extending into the drying kettle in the vertical direction, and a stirring paddle assembly is disposed on the stirring shaft 110, where the number of the stirring paddle assemblies disposed on the stirring shaft can be set as required.

In this embodiment, the group of paddle components includes

paddle blades

121 and 123 for stirring the material and

discharge paddle blades

122 and 124 for discharging the material; wherein, the

stirring paddles

121 and 123 and the

discharging paddles

122 and 124 are all arranged obliquely relative to the bottom surface of the drying kettle, and when the stirring shaft rotates clockwise or counterclockwise, the inclination directions of the

stirring paddles

121 and 123 and the

discharging paddles

122 and 124 relative to the bottom surface of the drying kettle are opposite in the same rotating direction, as shown in fig. 4 and 6, the

stirring paddles

121 and 123 are inclined towards the right side, and the

discharging paddles

122 and 124 are inclined towards the left side.

By adopting the stirring mechanism with the structure, when the stirring shaft rotates clockwise, the stirring blades in the stirring blade assembly interact with the material in the rotating process to stir the material in the drying kettle, and the stirring blade assembly plays a role in stirring at the moment; when the stirring shaft rotates anticlockwise, the discharge paddle in the stirring paddle component interacts with the material, and the material in the drying kettle is discharged out of the drying kettle under the action of the discharge paddle.

In the stirring mechanism of the embodiment, the stirring blades and the discharging blades in the same group of stirring blade assemblies are overlapped at the upper end part, so that the cross sections of the stirring blade assemblies formed by the stirring blade assemblies are triangular or other cross section forms such as trapezoid and the like. Adopt above-mentioned structural style, because stirring paddle and arrange and set up relatively between the material paddle and form an integral structure, stirring paddle and row material paddle in this group of stirring paddle subassembly when stirring operation, arrange the material paddle and can not lead to the fact the influence to stirring operation, simultaneously when arranging the material operation, stirring paddle can not lead to the fact the influence to arranging the material operation, makes it can realize fine stirring and arrange the material function.

Meanwhile, the stirring paddle component adopts a combined structure of the stirring paddle and the discharging paddle, so that the direct contact area between the lower part of the stirring paddle component and the bottom surface of the drying kettle can be reduced, the material can be prevented from entering the lower part of the stirring paddle component, and the problem of influence on the material or incomplete discharging caused by stirring operation is avoided.

Because the stirring paddle and the discharging paddle are different in functions, included angles beta 1 and beta 2 between the discharging paddle and the bottom surface of the drying kettle are larger than included angles alpha 1 and alpha 2 between the stirring paddle and the bottom surface of the drying kettle, and the effects of stirring and discharging materials are better achieved. In order to further optimize the stirring effect of the stirring blades in the stirring mechanism and the discharging effect of the discharging blades, the inclination angles of the stirring blades and the discharging blades relative to the bottom of the drying kettle are set; specifically, the included angle between the stirring blade and the bottom surface of the drying kettle is set to be 30-40 degrees, so that the stirring blade can play a good role in stirring; the included angle between the discharging paddle and the bottom surface of the drying kettle is set to be 45-75 degrees so as to improve the discharging efficiency.

As another preferred structure form, a plurality of groups of stirring paddle components can be arranged on the stirring shaft to further increase the action effect of the stirring paddles. Taking the stirring mechanism shown in fig. 3 as an example, three groups of stirring paddle assemblies are arranged on the stirring shaft 110, and the three groups of stirring paddle assemblies are uniformly distributed along the circumferential direction of the stirring shaft.

In the three sets of paddle assemblies shown in fig. 3, the

paddles

121, 123 in each set of paddle assemblies are structurally different from the discharge paddles 122, 124.

Specifically, the two groups of stirring paddle components have the same structure, the stirring blade 121 and the discharging blade 122 in the two groups of stirring paddle components are provided with a plurality of notches 125, the notches 125 are arranged at one ends, close to the bottom surface of the drying kettle, of the stirring blade 121 and the discharging blade 122, and the plurality of notches 125 are arranged at equal intervals along the longitudinal direction of the stirring blade 121 and the discharging blade 122, so that the stirring blade and the discharging blade form a rake with a plurality of teeth, the materials are uniformly stirred and turned in the stirring process, the drying speed is increased, and the materials are dried more uniformly. In the stirring paddle component with the structure, the notches 125 arranged on the stirring paddle 121 and the notches 125 arranged on the discharging paddle 122 are staggered in the radial direction, that is, the positions of the notches on the stirring paddle on the same circumference just correspond to the positions of rake teeth formed between the two notches on the discharging paddle in the stirring paddle component, so that the stirring effect of the stirring mechanism is further improved.

As shown in fig. 5, the included angle α 1 between the stirring blade and the bottom surface of the drying kettle in the two stirring blade assemblies is 35 °, and the included angle β 1 between the discharging blade and the bottom surface of the drying kettle is 60 °.

As shown in fig. 6, in the other set of stirring paddle components, no gap is formed between the stirring paddle 123 and the discharging paddle 124, the included angle α 2 between the stirring paddle and the bottom surface of the drying kettle is 30 °, and the included angle β 2 between the discharging paddle and the bottom surface of the drying kettle is 60 °. The cross section of the group of the paddle components which are not provided with the gaps is smaller than that of the paddle components which are provided with the gaps, for example, the height of the cross section of the group of the paddle components which are not provided with the gaps is smaller than that of the cross section of the paddle components which are provided with the gaps. Therefore, when in stirring, the cross section of the group of stirring paddle components is small, and materials can be turned over from the upper part of the stirring paddle components through the stirring paddle blades during stirring, so that the bottom layer materials and the upper layer materials are turned over.

When arranging the material operation, arrange the working face of

material paddle

122, 124 and set up for the direction slope opposite with the direction of rotation from inside to outside gradually, arrange promptly and be certain contained angle between the vertical plane at material paddle lower extreme and its radial direction place, arrange the working face of material paddle and arrange the setting that inclines backward in row material direction this moment, make the material can outside side direction movement under the effect of arranging the material paddle to can realize arranging the material operation fast.

In the stirring paddle component with the notch, the stirring paddle 121 and the discharging paddle 122 are composed of two parts, namely a paddle plate 126 and a scraper 127, the scraper 127 is connected to one side, close to the bottom surface of the drying kettle, of the paddle plate, and the scraper 127 is made of polytetrafluoroethylene and is in flexible contact with the bottom surface of the drying kettle.

In the stirring paddle component without the notch, the stirring blade 123 and the discharging blade 124 are both arranged on a blade seat 130, and the stirring blade 123 and the discharging blade 124 adopt polytetrafluoroethylene to form flexible contact with the bottom surface of the drying kettle.

As a further improvement of the stirring mechanism, a wall scraping assembly is arranged on the stirring shaft 110, the wall scraping assembly comprises a connecting plate 128 arranged on the stirring shaft 110 and a wall scraping plate 129 arranged at the other end of the connecting plate, the wall scraping plate 129 is arranged at a position close to the side wall of the drying kettle, the wall scraping plate 129 is made of polytetrafluoroethylene, and materials adhered to the side wall are scraped off during stirring or discharging.

In order to achieve a better discharging effect, in this embodiment, the purging nozzles 300 are respectively disposed at the positions of the stirring paddle assembly and the discharge port on the stirring shaft, and the purging direction of the purging nozzles 300 is set along the direction of the side wall of the drying kettle along the stirring paddle assembly. The material adhered to the stirring paddle component and the material adhered to the discharge port is blown and swept through the blowing and sweeping nozzle, so that the material in the drying kettle is thoroughly cleaned.

Referring to fig. 1, the driving mechanism in this embodiment includes a forward motor 510, a reverse motor 520, and a clutch 530, the forward motor 510 is connected to the driving shaft of the reverse motor 520 through the clutch, and the reverse motor 520 is connected to the stirring shaft 110. The clutch 530 may be an electromagnetic clutch. When in stirring operation, the electromagnetic clutch is powered on, the driving shaft of the forward motor is connected with the driving shaft of the reverse motor, the forward motor is started to drive the stirring mechanism to rotate clockwise, and the stirring mechanism is used for stirring the materials in the drying kettle; when the material discharging operation is performed, the electromagnetic clutch is powered off, the connection between the driving shaft of the forward motor and the driving shaft of the reverse motor is released, the reverse motor is started, the stirring mechanism is driven to rotate anticlockwise, the stirring mechanism performs material discharging treatment, and materials in the drying kettle are discharged.

Based on the material drying device, the material drying treatment method and the process are as follows:

starting a vacuum system to vacuumize the drying kettle, introducing heat conduction oil into the heating coil, and adding the material to be dried into the drying kettle;

starting a forward motor and a clutch, driving a stirring mechanism to rotate clockwise, and stirring materials by a stirring blade of the stirring mechanism;

after the drying is finished, the clutch is powered off, the conduction oil is temporarily stopped to be introduced, and the discharge hole is opened through the air cylinder;

starting a reverse motor to drive the stirring mechanism to rotate anticlockwise, and discharging the material from the discharge hole by a discharge paddle of the stirring mechanism;

after discharging is finished, controlling a purging nozzle to purge the stirring paddle component and the discharge hole;

and finishing the primary material drying operation and circulating in sequence.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which are used herein, refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the present invention is usually placed when in use, and are only used for convenience of description, and are not intended to indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "horizontal", "vertical" and the like in the description of the invention do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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. Material drying device, its characterized in that includes:

the stirring mechanism is arranged in the drying kettle; the stirring mechanism comprises a stirring shaft extending into the drying kettle along the vertical direction and at least one group of stirring paddle components arranged on the stirring shaft, the stirring paddle components are arranged along the radial direction, and the other end of each stirring paddle component extends to the side wall of the drying kettle; the stirring paddle component comprises a stirring paddle for stirring materials and a discharging paddle for discharging materials, the stirring paddle and the discharging paddle are arranged obliquely relative to the bottom surface of the drying kettle, when the stirring shaft rotates clockwise or anticlockwise, the inclination directions of the stirring paddle and the discharging paddle relative to the bottom surface of the drying kettle are opposite in the same rotating direction, and in the same stirring paddle component, the stirring paddle and the discharging paddle are overlapped at the upper end part;

2. The material drying device of claim 1, wherein the angle between the discharge paddle and the bottom surface of the drying kettle is larger than the angle between the stirring paddle and the bottom surface of the drying kettle.

3. The material drying device of claim 2, wherein the angle between the stirring blade and the bottom surface of the drying kettle is 30-40 °, and the angle between the discharging blade and the bottom surface of the drying kettle is 45-75 °.

4. The material drying device according to claim 1, 2 or 3, wherein a plurality of groups of stirring paddle assemblies are arranged on the stirring shaft;

in at least one group of stirring paddle components, the stirring paddle blades and the discharging paddle blades are not provided with gaps.

5. The material drying apparatus of claim 4, wherein the cross-section of the non-gapped paddle assembly is smaller than the cross-section of the gapped paddle assembly.

6. The material drying device as claimed in claim 1, wherein during the discharging operation, the active surface of the discharging paddle is inclined from inside to outside in the direction opposite to the rotating direction, so that the material can move towards the side wall of the drying kettle under the action of the discharging paddle.

7. The material drying device according to claim 1, wherein a purging nozzle is provided on the stirring shaft at the position of the stirring paddle assembly and at the position of the discharge port.

8. The material drying device as claimed in claim 1, wherein a heating component is arranged on the outer side wall of the drying kettle and at the bottom of the drying kettle;

9. The material drying device of claim 1, wherein the driving mechanism comprises a forward motor, a reverse motor and a clutch, the forward motor is connected with a driving shaft of the reverse motor through the clutch, and the reverse motor is connected with the stirring shaft.