CN216703359U - Spray drier convenient to grind - Google Patents

Abstract

The utility model belongs to the field of drying machines, and particularly relates to a spray drying machine convenient for grinding, which comprises: the drying device, the separating device connected with the drying device, the grinding device and the condensing device are respectively connected with the separating device; the grinder includes grinding hopper, is located the rotary blade and the screening filter screen that grind in the hopper, wherein the rotary blade grinds the product of great granule, the screening filter screen will accord with the product screening output of size. The utility model can grind the larger particle products output by the separation device into small particle products, thereby improving the quality of the products and standardizing the produced products.

Description

Spray drier convenient to grind

Technical Field

The utility model relates to the field of drying machines, in particular to a spray drying machine convenient to grind.

Background

At present, the spray dryer which is convenient for grinding in the market is usually a continuous normal pressure dryer, liquid materials are sprayed into mist by a spray head, the mist is input into a drying device, hot air is introduced to dry the mist, when suspension and viscous liquid are dried, larger particles are easy to produce, and products such as starch and soap powder need to be dried into smaller particles.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: solves the problem that the existing drier produces products with larger particles.

The technical scheme adopted by the utility model for solving the technical problems is as follows: there is provided a spray dryer for facilitating milling, comprising: the drying device, the separating device connected with the drying device, the grinding device and the condensing device are respectively connected with the separating device; the grinder includes grinding hopper, is located the rotary blade and the screening filter screen that grind in the hopper, wherein the rotary blade grinds the product of great granule, the screening filter screen will accord with the product screening output of size.

Furthermore, the drying device comprises a drying main machine, an air inlet pipeline positioned on the side wall of the drying main machine, an atomizer positioned at the top of the drying main machine, a first feeding pipeline connected to the top of the atomizer, and a first discharging pipeline connected to the bottom of the drying main machine; wherein the first feed line delivers feed liquid to the atomizer; the atomizer atomizes the feed liquid; and meanwhile, the air inlet pipeline conveys hot air to the drying main machine to dry and atomize the feed liquid.

Further, the separation device comprises a cyclone separator, a bag filter, a second discharge pipeline and a first gas transmission pipeline, wherein the second discharge pipeline is used for connecting the cyclone separator and the bag filter; the cyclone and bag filter are adapted to separate a mixture of solids and gases; and outputting the dried product through a second discharging pipeline.

Furthermore, the top end of the grinding hopper is sealed and is provided with a second feeding pipeline, and the feeding pipeline is suitable for conveying dried products into the grinding hopper.

Furthermore, the bottom end of the grinding hopper is provided with a round hole suitable for mounting a bearing.

Further, the grinding device drives the rotating shaft to grind through the motor; the rotating shaft extends into the grinding hopper and is fixed on a bearing at the bottom end of the grinding hopper.

The utility model has the beneficial effects that: the spray dryer convenient to grind dries through the drying device, the separation device separates the dried solid and gas mixture, the grinding device grinds the larger particle products output after separation, and finally the gas output by the separation device is conveyed to the condensing device for condensation; produce the small-particle product meeting the requirements and improve the quality of the product.

Drawings

The utility model is further illustrated by the following figures and examples.

FIG. 1 is a schematic diagram of a spray dryer for facilitating milling;

FIG. 2 is a schematic view of the structure of the drying apparatus;

FIG. 3 is a schematic view of the structure of the separation apparatus;

FIG. 4 is a cross-sectional view of the grinding apparatus of FIG. 1;

fig. 5 is a top view of the interior of the grinding hopper of fig. 4.

In the figure:

a spray dryer 100 to facilitate milling;

the device comprises a drying device 1, a drying host 11, an air inlet pipeline 12, an atomizer 13, a water discharge pipeline 14, a first feeding pipeline 15, a cleaning pump 16 and a first discharge pipeline 17;

the separation device 2, the cyclone separator 21, the bag filter 22, the second discharge pipeline 23, the first gas transmission pipeline 24 and the second gas transmission pipeline 25;

the grinding device 3, the grinding hopper 31, the motor box 32, the second feeding pipeline 33, the material collecting pipeline 34, the material collecting electromagnetic valve 341, the bearing 35, the motor 36, the rotating shaft 37, the rotating blade 38 and the screening filter screen 39;

condensing unit 4, condenser 41, third gas transmission pipeline 42 and water outlet pipeline 43.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a spray dryer for facilitating milling, comprising: the device comprises a drying device 1, a separating device 2 connected with the drying device 1, a grinding device 3 connected with the separating device 2 and a condensing device 4; the drying device 1 is suitable for drying the feed liquid to form a solid and gas mixture, and is connected with the separation device 2 through a first discharge pipeline 17, so that the dried product is conveyed to the separation device 2 through the first discharge pipeline 17; the separation device 2 is adapted to separate solids from gases in a mixture of solids and gases, the solids being conveyed to the grinding device 3 by a second feed pipe 33 connected to a second discharge pipe 23, the gases being conveyed to the condensation device 4 by a second gas conveying pipe 25; the grinding device 3 is adapted to grind the solid into fine particles; the condensing device 4 is suitable for condensing and liquefying the output gas and then feeding the gas into the dryer again.

Specifically, as shown in fig. 1 and fig. 2, the drying device 1 includes a main drying machine 11, an air inlet pipe 12 disposed on a side wall of the main drying machine 11, an atomizer 13 disposed at a top of the main drying machine 11, a water outlet pipe 14 disposed at an opening at a bottom of the main drying machine, a feeding pipe 15 connected to the atomizer 13, a cleaning pump 16 disposed beside the atomizer, and a first discharging pipe 17 disposed at a bottom of the main drying machine 11; the drying main machine 11 is composed of a cylinder and a cone, and a drainage pipeline 14 and a first discharge pipeline 17 are arranged on an opening at the bottom of the cone; the drainage pipeline 14 is suitable for discharging the waste water generated after the cleaning pump 16 cleans the drying main machine 11; the first discharge duct 17 is adapted to output a dried solid-gas mixture; the air inlet pipeline 12 is connected with one side of the cylinder part and used for conveying hot air to the interior of the drying main machine 11 and exchanging heat with atomized liquid drops in the drying main machine 11 so that the atomized liquid drops are quickly evaporated to form particles; atomizer 13 sets up at dry host computer 11 top, and atomizer 13 is connected with first charge-in pipeline 15, is suitable for atomizing the feed liquid, increases the surface area of feed liquid, drying with higher speed.

Specifically, as shown in fig. 1 and 3, the separation device 2 includes a cyclone separator 21, a bag filter 22, a second discharge pipe 23 connecting the cyclone separator 21 and the bag filter 22, a first gas transmission pipe 24, and a second gas transmission pipe 25; the cyclone separator 21 is connected with the drying main machine 11 through a first discharge pipeline 17, and a solid-gas mixture dried by the drying main machine 11 is input into the cyclone separator 21 through the first discharge pipeline 17 for primary separation; one end of the first gas pipeline 24 is connected to the top end of the cyclone separator 21, and the other end is connected to the side wall of the bag filter 22, so that the gas in the cyclone separator 21 is output to the inside of the bag filter 22 for secondary separation; the second discharge conduit 23 connects the cyclone 21 and the bottom of the bag filter 22 for the output of solid particles.

Specifically, as shown in fig. 1, 4, and 5, the grinding device 3 includes a grinding bucket 31, a motor box 32, a motor 36 disposed inside the motor box 32, a rotating shaft 37 connected to the motor 36, a second feeding pipe 33 disposed outside the grinding bucket 31, a collecting pipe 34, a collecting solenoid valve 341, a bearing 35 disposed inside the grinding bucket 31, a rotary blade 38, and a screening filter screen 39; the second feeding pipeline 33 is connected with the second discharging pipeline 23 and the top of the grinding hopper 31, and is suitable for inputting the solid particles in the second discharging pipeline 23 into the grinding hopper 31, and the top of the grinding hopper 31 is sealed; the collecting pipeline 34 is arranged on the side wall of the bottom of the grinding hopper 31 and is suitable for conveying ground products; the aggregate solenoid valve 341 is arranged on the aggregate pipeline 34 and is suitable for controlling the output of products; the bearing 35 is arranged at the opening at the bottom of the grinding bucket 31 and is suitable for fixing a rotating shaft 37 connected with a motor 36; the rotating shaft 37 is connected with a motor 36 and is arranged in the center of the grinding hopper 31 through a bearing 35; the rotary blade 38 is fixed on the top end of the rotating shaft 37 and is driven by the motor 36 to grind; the screening sieve 39 screens out products that meet the size.

Specifically, as shown in fig. 1, the condensing device 4 includes a condenser 41, a third gas transmission pipeline 42 disposed at the top of the condenser 41, and a water outlet pipeline 43 disposed at the bottom end of the condenser 41; the condenser 41 is connected with the bag filter 22 through a second gas transmission pipeline 25 and is suitable for inputting the steam output from the separation device 2 into the condenser 41 through the second gas transmission pipeline 25 for liquefaction; the cooled gas is output through a third gas transmission pipeline 42, the water outlet pipeline 43 is connected with the first feeding pipeline 15, and the liquefied solvent is mixed with the feed liquid through the water outlet pipeline 43 and then enters the drying device 1 for drying.

In summary, in the spray dryer convenient for grinding, liquid material enters the atomizer 13 through the first feeding pipeline 15, the atomizer 13 atomizes the liquid material, meanwhile, hot air enters through the air inlet pipeline 12 to dry the liquid material, a product enters the separating device 2 through the first discharging pipeline 17, first gas and solid separation is performed in the cyclone separator 21, a part of gas-solid mixture separated in the cyclone separator 21 enters the bag filter 22 through the first gas conveying pipeline 24 to perform secondary separation, a separated gas part enters the condenser 41 through the second gas conveying pipeline 25, the products output by the cyclone separator 21 and the bag filter 22 are output through the second discharging pipeline 23, the second discharging pipeline 23 is connected with the feeding second feeding pipeline 33, the product entering the grinding device 3 is ground into smaller-particle products through the rotary blade 38 under the driving of the motor 36, output through a collection conduit 34; the steam which is output by the cyclone separator 21 and the bag filter 22 and contains a small amount of solid enters the condensing device 4 for condensation, the condensed gas is output through a third gas pipeline 42, and the liquefied solvent is mixed with the feed liquid through a water outlet pipeline 43 and then enters the drying device 1 for drying.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.

In light of the foregoing description of preferred embodiments in accordance with the utility model, it is to be understood that numerous changes and modifications may be made by those skilled in the art without departing from the scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (6)

1. A spray dryer for facilitating grinding, comprising: the drying device, the separating device connected with the drying device, the grinding device and the condensing device are respectively connected with the separating device; the grinder comprises a grinding hopper, a rotary blade and a screening filter screen, wherein the rotary blade is positioned in the grinding hopper and used for grinding products, and the screening filter screen is used for screening and outputting the products according with the size.

2. The spray dryer facilitating grinding of claim 1, wherein the drying device comprises a main drying unit, an air inlet duct located on a side wall of the main drying unit, an atomizer located at the top of the main drying unit, a first feed duct connected to the top of the atomizer, and a first discharge duct connected to the bottom of the main drying unit; wherein the first feed line delivers feed liquid to the atomizer; the atomizer atomizes the feed liquid; and meanwhile, the air inlet pipeline conveys hot air to the drying main machine to dry and atomize the feed liquid.

3. The mill-friendly spray dryer of claim 1, wherein the separation device comprises a cyclone separator, a bag filter, a second discharge conduit connecting the cyclone separator and the bag filter, a first gas delivery conduit; the cyclone and bag filter are adapted to separate a mixture of solids and gases; and outputting the dried product through a second discharging pipeline.

4. The mill-ready spray dryer of claim 1 wherein the top end of the mill hopper is sealed and a second feed conduit is provided, the feed conduit adapted to convey the dried product into the mill hopper.

5. The spray dryer convenient for grinding of claim 4, wherein the bottom end of the grinding hopper is provided with a circular hole suitable for mounting a bearing.

6. The spray dryer facilitating grinding of claim 1, wherein the grinding means grinds by driving a rotating shaft by a motor; the rotating shaft extends into the grinding hopper and is fixed on a bearing at the bottom end of the grinding hopper.

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