Improved high-speed centrifugal spray dryer

Abstract

The utility model discloses an improved high-speed centrifugal spray dryer which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a supporting plate, the supporting plate is in an L shape, the right side surface of the vertical part of the supporting plate is fixedly connected with a first side plate, and the first side plate is fixedly connected with a drying cylinder away from the supporting plate. A through groove is formed in the cylindrical surface of the drying cylinder, a cleaning mechanism is arranged on the drying cylinder, an annular plate is arranged on the upper surface in the drying cylinder, a centrifugal atomizer is fixedly connected into a shell at the top end of the drying cylinder, the output end of the centrifugal atomizer is located in the annular plate, and an air heater is fixedly connected to the upper surface of the drying cylinder. The output end of the air heater is fixedly connected with a hot air pipe, and the hot air pipe passes through a shell on the top of the drying cylinder. By means of the structure, the cleaning mechanism, the centrifugal atomizer, the air heater and the water pipe are arranged, the interior of the drying machine can be cleaned in the working process, and dried finished products are prevented from being attached to the inner wall of the drying machine.

Description

Technical Field

[0001] The utility model relates to the technical field of drying equipment, in particular to an improved high-speed centrifugal spray dryer. Background Art

[0002] A spray dryer is a device that can simultaneously complete drying and granulation. According to process requirements, spherical particles with a certain size ratio can be obtained; a centrifugal spray dryer is a type of continuous atmospheric dryer. It uses a centrifugal sprayer to spray the liquid material into a mist and makes it contact with hot air to be dried; the centrifugal spray dryer can be used to dry liquids, suspensions and viscous liquids, and can also be used to dry fuels, intermediates, soap powder and inorganic salts, etc.; a spray dryer is a device that can simultaneously complete drying and granulation.

[0003] Spray drying is the most widely used process in liquid process forming and drying industries. Most of the existing dryers cannot clean their inner walls during the working process, which may cause the dried finished products to adhere to the inner wall of the dryer, not only reducing the output, but also increasing the probability of equipment failure. Content of the Utility Model

[0004] The utility model provides an improved high-speed centrifugal spray dryer, which can clean the inside of the dryer during the working process to prevent the dried finished products from adhering to the inner wall of the dryer.

[0005] To achieve the above object, an improved high-speed centrifugal spray dryer is provided, including a bottom plate: the upper surface of the bottom plate is fixedly connected with a support plate, the support plate is L-shaped, the right surface of the vertical part of the support plate is fixedly connected with a first side plate, the first side plate is fixedly connected with a drying cylinder away from the support plate, a through groove is arranged on the cylindrical surface of the drying cylinder, a cleaning mechanism is arranged on the drying cylinder, a circular ring plate is arranged on the upper surface inside the drying cylinder, a centrifugal atomizer is fixedly connected in the top shell of the drying cylinder, the output end of the centrifugal atomizer is inside the circular ring plate, a hot air blower is fixedly connected to the upper surface of the drying cylinder, the output end of the hot air blower is fixedly connected with a hot air pipe, the hot air pipe passes through the top shell of the drying cylinder, and the outlet of the hot air pipe is inside the circular ring plate. The cleaning mechanism is set to facilitate scraping off the products adhering to the inner wall of the drying cylinder during the working process of the equipment. The centrifugal atomizer is set to facilitate atomizing the liquid material transported from the water pipe. The hot air blower and the hot air pipe are set to facilitate drying the misty liquid sprayed from the centrifugal atomizer.

[0006] According to the described improved high-speed centrifugal spray dryer, the cleaning mechanism includes a driving gear, a rotating shaft, a motor, a second side plate, a driven gear, a cleaning component, and a bearing. The bearing is fixedly connected to the outer cylindrical surface of the circular ring plate. The bearing is provided to facilitate the rotation of the driven gear around it.

[0007] According to the described improved high-speed centrifugal spray dryer, the driven gear is fixedly connected to the outer cylindrical surface of the bearing, and the driven gear does not contact the inner wall of the drying cylinder. The driven gear is provided to facilitate driving the cleaning component to rotate when it is driven by the driving gear to rotate, so as to clean the inside of the drying cylinder.

[0008] According to the described improved high-speed centrifugal spray dryer, the cleaning component includes a connecting rod and a scraping rod. The connecting rod is L-shaped. The connecting rod is fixedly connected to the lower surface of the driven gear. The scraping rod is fixedly connected to the lower surface of the connecting rod. The scraping rod contacts the inner wall of the drying cylinder. The scraping rod is provided to facilitate scraping the substances adhered to the inner wall of the drying cylinder.

[0009] According to the described improved high-speed centrifugal spray dryer, the second side plate is fixedly connected to the cylindrical surface of the drying cylinder, and the motor is fixedly connected to the upper surface of the second side plate. The motor is provided to facilitate driving the rotating shaft and the driving gear to rotate.

[0010] According to the described improved high-speed centrifugal spray dryer, the rotating shaft is fixedly connected to the output end of the motor, the driving gear is fixedly connected to the output end of the rotating shaft. One side of the driving gear passes through the through groove of the drying cylinder, and the driving gear meshes with the driven gear.

[0011] According to the described improved high-speed centrifugal spray dryer, a material tank is fixedly connected to the upper surface of the horizontal part of the support plate, and liquid material is provided in the material tank. The material tank is provided to facilitate storing the liquid raw material to be dried.

[0012] According to the described improved high-speed centrifugal spray dryer, a water pipe is fixedly connected to the lower surface of the material tank. The water pipe passes into the material tank, and the material tank passes through the support plate and into the centrifugal atomizer.

[0013] The beneficial effects of the present utility model: By providing a cleaning mechanism, a centrifugal atomizer, a hot air blower, and a water pipe, it is possible to clean the inside of the dryer during the working process, and avoid the finished product after drying from adhering to the inner wall of the dryer.

[0014] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0015] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a schematic diagram of the overall structure of an improved high-speed centrifugal spray dryer of the present utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the drying cylinder of an improved high-speed centrifugal spray dryer of the present utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the bearing installation position of an improved high-speed centrifugal spray dryer of the present utility model;

[0019] Figure 4 It is a schematic diagram of the cleaning assembly structure of an improved high-speed centrifugal spray dryer of the present utility model.

[0020] Legend description:

[0021] 1. Base plate; 2. Support plate; 3. Drying cylinder; 301. Ring plate; 4. First side plate; 5. Centrifugal atomizer; 6. Water pipe; 7. Material tank; 8. Hot air blower; 9. Cleaning mechanism; 901. Driving gear; 902. Rotating shaft; 903. Motor; 904. Second side plate; 905. Driven gear; 906. Cleaning assembly; 90601. Connecting rod; 90602. Scraping rod; 907. Bearing; 10. Hot air pipe. Specific embodiments

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0023] Refer to Figures 1 to 4, in an embodiment of the utility model, an improved high-speed centrifugal spray dryer includes a bottom plate 1: on the upper surface of the bottom plate 1, a support plate 2 is fixedly connected. The support plate 2 is L-shaped. On the right surface of the vertical part of the support plate 2, a first side plate 4 is fixedly connected. The first side plate 4 is fixedly connected to a drying cylinder 3 away from the support plate 2. A through groove is provided on the cylindrical surface of the drying cylinder 3. A cleaning mechanism 9 is provided on the drying cylinder 3. On the upper surface inside the drying cylinder 3, a circular ring plate 301 is provided. At the top of the drying cylinder 3, a centrifugal atomizer 5 is fixedly connected. The output end of the centrifugal atomizer 5 is inside the circular ring plate 301. On the upper surface of the drying cylinder 3, a hot air blower 8 is fixedly connected. The output end of the hot air blower 8 is fixedly connected to a hot air pipe 10. The hot air pipe 10 passes through the top shell of the drying cylinder 3, and the outlet of the hot air pipe 10 is inside the circular ring plate 301. The hot air blown out from the hot air pipe 10 is directly opposite to the atomized liquid sprayed out by the centrifugal atomizer 5 and can blow the atomized liquid downward. A collecting device needs to be placed above the bottom plate 1 and below the drying cylinder 3 to collect the dried and formed powdery or granular solids. The through groove of the drying cylinder 3 is close to the top, and the lowest position of the through groove should be higher than the output end of the centrifugal atomizer 5.

[0024] On the upper surface of the horizontal part of the support plate 2, a material tank 7 is fixedly connected. Liquid material is provided in the material tank 7. On the lower surface of the material tank 7, a water pipe 6 is fixedly connected. The water pipe 6 penetrates into the material tank 7. The material tank 7 passes through the support plate 2 and penetrates into the centrifugal atomizer 5.

[0025] The cleaning mechanism 9 includes a driving gear 901, a rotating shaft 902, a motor 903, a second side plate 904, a driven gear 905, a cleaning component 906, and a bearing 907. The bearing 907 is fixedly connected to the outer cylindrical surface of the circular ring plate 301. The driven gear 905 is fixedly connected to the outer cylindrical surface of the bearing 907, and the driven gear 905 does not contact the inner wall of the drying cylinder 3.

[0026] The second side plate 904 is fixedly connected to the cylindrical surface of the drying cylinder 3. The motor 903 is fixedly connected to the upper surface of the second side plate 904. The rotating shaft 902 is fixedly connected to the output end of the motor 903. The driving gear 901 is fixedly connected to the output end of the rotating shaft 902. One side of the driving gear 901 passes through the through groove of the drying cylinder 3, and the driving gear 901 meshes with the driven gear 905.

[0027] The cleaning component 906 includes a connecting rod 90601 and a scraping rod 90602. The connecting rod 90601 is L-shaped. The connecting rod 90601 is fixedly connected to the lower surface of the driven gear 905. The scraping rod 90602 is fixedly connected to the lower surface of the connecting rod 90601, and the scraping rod 90602 contacts the inner wall of the drying cylinder 3.

[0028] Working principle: During the operation of the device, the atomized liquid raw material from the centrifugal atomizer 5 will be dried by the high-temperature air flow flowing out of the hot air pipe 10 and blown downward. During this process, the motor 903 drives the rotating shaft 902 and the driving gear 901 to rotate, thereby driving the driven gear 905 and the cleaning assembly 906 to rotate. During the rotation of the cleaning assembly 906, the scraping rod 90602 will scrape the solids adhering to the inner cylindrical surface of the drying cylinder 3.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present utility model.

Claims

1. An improved high-speed centrifugal spray dryer, characterized in that: The invention comprises a bottom plate (1), wherein the upper surface of the bottom plate (1) is fixedly connected to a support plate (2), the support plate (2) is L-shaped, the right side surface of the vertical part of the support plate (2) is fixedly connected to a first side plate (4), the first side plate (4) is fixedly connected to a drying cylinder (3) away from the support plate (2), the cylindrical surface of the drying cylinder (3) is provided with a through groove, the drying cylinder (3) is provided with a cleaning mechanism (9), the upper surface of the interior of the drying cylinder (3) is provided with a circular ring plate (301), the top shell of the drying cylinder (3) is fixedly connected to a centrifugal atomizer (5), the output end of the centrifugal atomizer (5) is inside the circular ring plate (301), the upper surface of the drying cylinder (3) is fixedly connected to a hot air blower (8), the output end of the hot air blower (8) is fixedly connected to a hot air pipe (10), the hot air pipe (10) passes through the top shell of the drying cylinder (3), and the outlet of the hot air pipe (10) is inside the circular ring plate (301).

2. An improved high-speed centrifugal spray dryer according to claim 1, characterized in that: The cleaning mechanism (9) comprises a driving gear (901), a rotating shaft (902), a motor (903), a second side plate (904), a driven gear (905), a cleaning assembly (906) and a bearing (907), wherein the bearing (907) is fixedly connected to the outer cylindrical surface of the annular plate (301).

3. An improved high-speed centrifugal spray dryer according to claim 2, characterized in that: The driven gear (905) is fixedly connected to the outer cylindrical surface of the bearing (907), and the driven gear (905) does not contact the inner wall of the drying cylinder (3).

4. An improved high-speed centrifugal spray dryer according to claim 2, characterized in that: The cleaning assembly (906) includes a connecting rod (90601) and a scraping rod (90602), wherein the connecting rod (90601) is L-shaped, the connecting rod (90601) is fixedly connected to the lower surface of the driven gear (905), the scraping rod (90602) is fixedly connected to the lower surface of the connecting rod (90601), and the scraping rod (90602) is in contact with the inner wall of the drying cylinder (3).

5. The improved high-speed centrifugal spray dryer according to claim 2, characterized in that: The second side plate (904) is fixedly connected to the cylindrical surface of the drying cylinder (3), and the motor (903) is fixedly connected to the upper surface of the second side plate (904).

6. An improved high-speed centrifugal spray dryer according to claim 2, characterized in that: The rotating shaft (902) is fixedly connected to the output end of the motor (903), the driving gear (901) is fixedly connected to the output end of the rotating shaft (902), one side of the driving gear (901) passes through the through groove of the drying cylinder (3), and the driving gear (901) is meshed with the driven gear (905).

7. The improved high-speed centrifugal spray dryer according to claim 1, characterized in that: The upper surface of the horizontal portion of the support plate (2) is fixedly connected to a material trough (7), and liquid material is arranged in the material trough (7).

8. An improved high-speed centrifugal spray dryer according to claim 7, characterized in that: The lower surface of the material trough (7) is fixedly connected to a water pipe (6), the water pipe (6) leads into the material trough (7), and the material trough (7) passes through the support plate (2) and leads into the centrifugal atomizer (5).

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