CN214512746U

CN214512746U - Centrifugal spray dryer for raw material extract

Info

Publication number: CN214512746U
Application number: CN202120811483.9U
Authority: CN
Inventors: 王军英
Original assignee: Sanmenxia Lerenjia Food Co ltd
Current assignee: Sanmenxia Lerenjia Food Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-10-29
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses a centrifugal spray drier for raw materials extract product, including the drying chamber, raw material tank, atomizer and steam chamber, the upper surface of drying chamber is provided with the motor, the power take off end and the inside rotary device of drying chamber of motor are connected, the pan feeding end of drying chamber is connected with the discharge end of atomizer, the pan feeding end of atomizer is connected with raw material tank's discharge end, the steam chamber passes through the steam pipe and is connected with the lateral wall of drying chamber, the bottom of drying chamber is the bucket form, the lower department in drying chamber bottom is provided with the discharging pipe, the discharge gate of discharging pipe and raw material collecting box's inner chamber intercommunication, and be provided with reflux unit on the lateral wall of discharging pipe, reflux unit's gas outlet and raw material tank intercommunication, be provided with the blast pipe on the raw material tank. The rotating device is arranged in the drying chamber, so that the flow of steam in the drying chamber is accelerated, and the evaporation of water in the components of the vaporous feed liquid is accelerated; the bottom in the drying chamber is hopper-shaped, so that the raw materials dried into powder can fall into the raw material collecting box through the discharging pipe.

Description

Centrifugal spray dryer for raw material extract

Technical Field

The utility model relates to a cold tea raw and other materials processing field, especially centrifugal spray drier for the raw materials extract product.

Background

Herbal tea is one of national non-material cultural heritage. The herbal tea is not tea, but decoction decocted by Chinese herbal medicines, which is a beverage which is eaten and summarized by people in Guangdong, Hongkong and Australia areas according to local climate, water and soil characteristics, takes the traditional Chinese medicine health preserving theory as guidance and the Chinese herbal medicines as raw materials in the process of long-term disease prevention and health care and has the effects of clearing heat and detoxicating, promoting the production of body fluid to quench thirst, removing fire and removing dampness and the like and is accompanied with daily life of people.

Drying is required when herbal tea raw materials are processed, and in the prior art, spray drying is the most widely applied process in liquid process forming and drying industries and is most suitable for generating powdery and granular solid products from liquid raw materials such as solution, emulsion, suspension and paste, so the spray drying is an ideal process.

The existing centrifugal spray dryer can not achieve the effect of uniform drying in the using process, the drying speed is low, the drying is incomplete, so that moisture still exists in powdery or granular solid after the drying is finished and the moisture is not completely dried, the quality of a finished product is influenced, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect of incomplete drying in the prior art and provide a centrifugal spray dryer for raw material extracts.

The purpose of the utility model is realized through the following technical scheme: raw materials is centrifugal spray drier for extract product, including the drying chamber, the head tank, atomizer and steam chamber, the upper surface of drying chamber is provided with the motor, the power take off end and the inside rotary device of drying chamber of motor are connected, the pan feeding end of drying chamber is connected with the discharge end of atomizer, the pan feeding end of atomizer is connected with the discharge end of head tank, the steam chamber passes through the steam pipe and is connected with the lateral wall of drying chamber, the bottom of drying chamber is the hopper-shaped, the lower department in drying chamber bottom is provided with the discharging pipe, the discharge gate of discharging pipe and the inner chamber intercommunication of raw materials collecting box, and be provided with reflux unit on the lateral wall of discharging pipe, reflux unit's gas outlet and head tank intercommunication, be provided with the blast pipe on the head tank.

Preferably, the rotating device comprises a rotating shaft, a bearing and rotating pieces, the rotating shaft is connected with the power output end of the motor, the rotating shaft is provided with the rotating pieces, the bearing is arranged in the drying chamber shell, and the bearing is sleeved on the rotating shaft.

Preferably, there are two rotating pieces, the rotating pieces are equilateral triangles and are arranged along the rotating shaft in an up-and-down symmetrical manner, and the tips of the rotating pieces are in contact with each other.

Preferably, a plurality of spray pipes are arranged in the sprayer, and each spray pipe is provided with a venturi tube.

Preferably, the steam pipe is provided with a plurality of steam outlets, and the steam outlets are communicated with the inner side wall of the drying chamber.

Preferably, the backflow device comprises a backflow pipe, a fan and an air pipe, an air outlet of the fan is connected with an air inlet of the air pipe, an air outlet of the air pipe is communicated with an inner cavity of the raw material box, an inlet of the backflow pipe is connected with the discharge pipe, and an outlet of the backflow pipe is connected with the air pipe.

Preferably, a filter screen is arranged at the inlet of the return pipe.

Preferably, a feeding pipe is arranged on the raw material box, a steam preheating pipe is arranged in the raw material box, an inlet of the steam preheating pipe is connected with an air outlet of the air pipe, and an outlet of the steam preheating pipe is connected with the exhaust pipe.

Preferably, the steam preheating tubes are arranged in a serpentine shape within the feed tank.

The utility model has the advantages of it is following: the utility model has the advantages that the rotating device is arranged in the drying chamber, the centrifugal force generated by the rotating device can form a stable flow direction, and the steam flow in the drying chamber is accelerated, so that the evaporation of water in the vaporific feed liquid component sprayed out of the sprayer is accelerated; the bottom is the hopper-shaped also be convenient for dry powdered raw materials of being dry and fall into raw materials collecting box through the discharging pipe in the drying chamber, reflux unit can utilize steam once more, has guaranteed that the subsidiary heat of steam obtains make full use of.

Drawings

FIG. 1 is a schematic view of a centrifugal spray dryer;

FIG. 2 is a schematic view of the construction of the stock chest;

FIG. 3 is a schematic structural view of a venturi;

in the figure, 1-drying chamber, 2-steam chamber, 3-steam pipe, 4-steam outlet, 5-raw material box, 6-sprayer, 7-exhaust pipe, 8-air pipe, 9-blower, 10-return pipe, 11-filter screen, 12-raw material collecting box, 13-discharging pipe, 14-motor, 15-rotating shaft, 16-rotating plate, 17-bearing, 18-feeding pipe, 19-steam preheating pipe, 20-spraying pipe and 21-venturi pipe.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this embodiment, as shown in fig. 1, the centrifugal spray dryer for raw material extract comprises a drying chamber 1, a raw material box 5, an atomizer 6 and a steam chamber 2, wherein a motor 14 is disposed on the upper surface of the drying chamber 1, a power output end of the motor 14 is connected with a rotating device inside the drying chamber 1, a feeding end of the drying chamber 1 is connected with a discharging end of the atomizer 6, a feeding end of the atomizer 6 is connected with a discharging end of the raw material box 5, the steam chamber 2 is connected with the side wall of the drying chamber 1 through a steam pipe 3, and in this embodiment, steam is generated in the steam chamber 2 by means of a boiler room. Preferably, the steam pipe 3 is provided with a plurality of steam outlets 4, the steam outlets 4 are communicated with the inner side wall of the drying chamber 1, and the steam outlets 4 are arranged to ensure the steam content in the drying chamber 1. The bottom of drying chamber 1 is the bucket form, and 1 bottom of drying chamber is provided with discharging pipe 13 in the lowest department, and discharging pipe 13's discharge gate and the inner chamber intercommunication of raw materials collecting box 12, and be provided with reflux unit on discharging pipe 13's the lateral wall, reflux unit's gas outlet and raw materials box 5 intercommunication are provided with blast pipe 7 on the raw materials box 5. The rotating device is arranged in the drying chamber 1, so that the centrifugal force generated by the rotating device can form a stable flow direction, the flow of steam in the drying chamber 1 is accelerated, and the evaporation of water in the vaporous feed liquid components sprayed from the sprayer 6 is accelerated; the bottom is hopper-shaped also be convenient for dry into powdered raw materials and fall into raw materials collecting box 12 in drying chamber 1 through discharging pipe 13, and reflux unit can utilize steam once more, has guaranteed that the subsidiary heat of steam obtains make full use of.

Further, rotary device includes pivot 15, bearing 17 and revolving fragment 16, and pivot 15 is connected with motor 14's power take off end, installs a plurality of revolving fragments 16 on the pivot 15, and is preferred, and revolving fragment 16 has two, and revolving fragment 16 is equilateral triangle, and revolving fragment 16 sets up along pivot 15 upper and lower symmetry, and the tip contact of revolving fragment 16. The motor 14 is started to drive the rotating shaft 15 to rotate, so that the rotating sheet 16 is driven to rotate, and in the rotating process of the rotating sheet 16, a stable flow direction can be formed around the rotating sheet 16 in the rotating process of the rotating sheet 16, so that the steam flow in the drying chamber is accelerated; the atomized feed liquid can do centrifugal motion under the action of the rotating piece 16, so the atomized feed liquid can move towards the inner wall of the drying chamber 1, and the time that the atomized feed liquid stays in the drying chamber 1 under the action of gravity, centrifugal force and stirring is prolonged because the atomized feed liquid has certain mass, so that the drying effect is ensured. The bearing 17 is installed in the housing of the drying chamber 1, and the bearing 17 is sleeved on the rotating shaft 15.

In the present embodiment, as shown in fig. 3, a plurality of spray pipes 20 are provided in the sprayer 6, and each spray pipe 20 is provided with a venturi tube 21. Venturi tube 21 can make the velocity of flow of feed liquid accelerate, makes the atomization effect better, can ensure like this that the raw materials can fully dry in drying chamber 1. Specifically, the sprayer 6 sprays the feed liquid in the raw material tank 5 into extremely small mist-like droplets, the mist-like droplets enter the drying chamber 1, the feed liquid contacts with steam, water begins to evaporate, the feed liquid is dried into powder in a short time, and the powder-like raw materials enter the raw material collecting tank 12 through the discharge pipe 13.

In this embodiment, reflux unit includes back flow pipe 10, fan 9 and tuber pipe 8, and the air outlet of fan 9 is connected with the income wind gap of tuber pipe 8, and the air outlet of tuber pipe 8 communicates with the inner chamber of raw material tank 5, and the entry and the discharging pipe 13 of back flow pipe 10 are connected, and the export of back flow pipe 10 is connected with tuber pipe 8, and is preferred, and back flow pipe 10 entrance is provided with filter screen 11, and filter screen 11 main function prevents that the raw materials after the drying from getting into in back flow pipe 10. The fan 9 blows air into the air pipe 8, negative pressure is formed at the outlet of the return pipe 10, and therefore steam in the discharge pipe 13 enters the return pipe 10 and further enters the air pipe 8 and then is sent into the raw material box 5. And further. Be provided with pan feeding pipe 18 on raw materials box 5, be provided with steam preheating pipe 19 in the raw materials box 5, the entry of steam preheating pipe 19 is connected with the air outlet of tuber pipe 8, the export and the blast pipe 7 of steam preheating pipe 19 are connected, steam gets into steam preheating pipe 19 through tuber pipe 8 to feed liquid to in the raw materials box 5 carries out the preheating, and raw materials box 5 is discharged from blast pipe 7 to the steam through the preheating, can make the incidental heat of steam obtain make full use of like this.

Preferably, steam preheating pipe 19 is snakelike arranging in raw materials box 5, and snakelike arranging can increase steam preheating pipe 19's length to make steam have good preheating effect to the feed liquid in raw materials box 5.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The raw material extract uses the centrifugal spray drier, characterized by that: including drying chamber (1), raw material tank (5), atomizer (6) and steam chamber (2), the upper surface of drying chamber (1) is provided with motor (14), the power take off end of motor (14) with the inside rotary device of drying chamber (1) is connected, the pan feeding end of drying chamber (1) with the discharge end of atomizer (6) is connected, the pan feeding end of atomizer (6) with the discharge end of raw material tank (5) is connected, steam chamber (2) pass through steam pipe (3) with the lateral wall of drying chamber (1) is connected, the bottom of drying chamber (1) is the fill form, the lowest department in drying chamber (1) bottom is provided with discharging pipe (13), the discharge gate of discharging pipe (13) and the inner chamber intercommunication of raw material collecting box (12), just be provided with reflux unit on the lateral wall of discharging pipe (13), reflux unit's gas outlet with raw material tank (5) intercommunication, an exhaust pipe (7) is arranged on the raw material box (5).

2. The centrifugal spray dryer for raw material extracts according to claim 1, characterized in that: the rotating device comprises a rotating shaft (15), a bearing (17) and a rotating sheet (16), the rotating shaft (15) is connected with the power output end of the motor (14), the rotating shaft (15) is provided with a plurality of rotating sheets (16), the bearing (17) is installed in the shell of the drying chamber (1), and the bearing (17) is sleeved on the rotating shaft (15).

3. The centrifugal spray dryer for raw material extracts according to claim 2, characterized in that: the revolving fragment (16) has two, revolving fragment (16) are equilateral triangle, revolving fragment (16) are followed pivot (15) longitudinal symmetry sets up, just the point portion contact of revolving fragment (16).

4. The centrifugal spray dryer for raw material extracts according to claim 1, characterized in that: a plurality of spraying pipes (20) are arranged in the sprayer (6), and each spraying pipe (20) is provided with a Venturi tube (21).

5. The centrifugal spray dryer for raw material extracts according to claim 1, characterized in that: the steam pipe (3) is provided with a plurality of steam outlets (4), and the steam outlets (4) are communicated with the inner side wall of the drying chamber (1).

6. The centrifugal spray dryer for raw material extracts according to claim 1, characterized in that: the backflow device comprises a backflow pipe (10), a fan (9) and an air pipe (8), an air outlet of the fan (9) is connected with an air inlet of the air pipe (8), an air outlet of the air pipe (8) is communicated with an inner cavity of the raw material box (5), an inlet of the backflow pipe (10) is connected with the discharge pipe (13), and an outlet of the backflow pipe (10) is connected with the air pipe (8).

7. The centrifugal spray dryer for raw material extracts as set forth in claim 6, characterized in that: a filter screen (11) is arranged at the inlet of the return pipe (10).

8. The centrifugal spray dryer for raw material extracts as set forth in claim 6, characterized in that: the device is characterized in that a feeding pipe (18) is arranged on the raw material box (5), a steam preheating pipe (19) is arranged in the raw material box (5), an inlet of the steam preheating pipe (19) is connected with an air outlet of the air pipe (8), and an outlet of the steam preheating pipe (19) is connected with the exhaust pipe (7).

9. The centrifugal spray dryer for raw material extracts according to claim 8, characterized in that: the steam preheating pipes (19) are arranged in a snake shape in the raw material box (5).