A spray drying tower

Abstract

This utility model relates to the field of drying tower technology and provides a spray drying tower, comprising: a tower body, an L-shaped plate fixedly installed at the bottom of the tower body, a stepper motor fixedly installed at the top of the L-shaped plate, the output end of the stepper motor penetrating through the tower body, a connecting shaft fixedly installed at the output end of the stepper motor, and a spray pipe fixedly installed at the top of the connecting shaft; and further comprising: a rotary joint fixedly installed at the top of the spray pipe; the liquid to be dried is transported into the interior of the spray pipe through a water inlet pipe, and then sprayed out through multiple atomizing nozzles; the stepper motor is turned on to drive the spray pipe to rotate through the connecting shaft; a sealing ring is fixedly installed at the bottom of the tower body to improve the sealing between the stepper motor and the tower body; the other end of the spray pipe is connected to the rotary joint, so the spray pipe can rotate inside the tower body, and the spray pipe drives the multiple atomizing nozzles to rotate, so that the liquid can be evenly sprayed into the interior of the tower body for drying.

Description

Technical Field

[0001] This utility model relates to the field of drying tower technology, and in particular to a spray drying tower. Background Technology

[0002] A spray drying tower is a device used to rapidly dry liquid materials (such as solutions, emulsions, or suspensions) into powdered products. It is widely used in the food, pharmaceutical, and chemical industries, and is particularly suitable for processing heat-sensitive materials.

[0003] However, in existing technologies, most spray drying towers have fixed nozzles, which makes it difficult to spray the liquid evenly inside the drying tower. The liquid atomized and sprayed in a fixed position is prone to condensing into large water droplets, thereby reducing the drying efficiency of the liquid. Moreover, after most spray drying towers are used, it is not convenient to clean the inner wall of the tower. Some of the atomized and dried liquid forms powder that adheres to the inner wall. If it is not scraped off, it will not only affect the weight of the dried product, but also easily affect the quality and grade of the next processed product. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the existing technology where most spray drying towers have fixed nozzles, which makes it difficult to spray the liquid evenly inside the drying tower. The liquid atomized and sprayed in a fixed position is prone to condensing into large water droplets, thereby reducing the drying efficiency of the liquid. Moreover, after most spray drying towers are used, it is not convenient to clean the inner wall of the tower. Some of the atomized and dried liquid forms powder that adheres to the inner wall. If it is not scraped off, it will not only affect the weight of the dried product, but also easily affect the quality of the next processed product.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a spray drying tower, comprising: a tower body, an L-shaped plate fixedly installed at the bottom of the tower body, a stepper motor fixedly installed at the top of the L-shaped plate, the output end of the stepper motor penetrating through the tower body, a connecting shaft fixedly installed at the output end of the stepper motor, and a spray pipe fixedly installed at the top of the connecting shaft, and further comprising:

[0006] A rotary joint is fixedly installed on the top of the spray pipe. The rotary joint is fixedly installed at the center of the top of the tower body, and a water inlet pipe is fixedly installed at one end of the rotary joint.

[0007] Multiple atomizing nozzles are fixedly installed on the outer surface of the spray pipe;

[0008] Two connecting rods are fixedly installed on the outer surface of the spray pipe near the center. Scrapers are fixedly installed on the opposite ends of the two connecting rods. Both scrapers are in contact with the inner wall of the tower.

[0009] A baffle plate is fixedly installed inside the lower end of the tower body, and the connecting shaft is movably embedded in the center of the baffle plate.

[0010] A sealing ring is fixedly installed at the center of the bottom of the tower body;

[0011] The drain pipe is fixedly installed at the bottom of the tower body.

[0012] Preferably, a discharge port is provided at the lower end of the outer surface of the tower body, and a sealing plate is movably embedded inside the discharge port. Threaded holes are provided on both sides of the sealing plate.

[0013] The technical effect of adopting the above-mentioned further solution is that the sealing plate can seal the outlet to prevent leakage of liquid or dried product during the drying process.

[0014] Preferably, two positioning plates are fixedly installed on the outer surface of the tower body near the discharge port, and bolts are threaded into the outer surface of both positioning plates.

[0015] The technical effect of adopting the above-mentioned further solution is that the bolts can fix the sealing plate, making the sealing plate more stably embedded inside the discharge port.

[0016] Preferably, a circulation pipe is fixedly installed on the bottom plate of the tower body, and the other end of the circulation pipe is fixedly connected to the water inlet pipe.

[0017] The technical effect of adopting the above-mentioned further solution is that the water is transported to the inside of the inlet pipe through the circulation pipe for recycling, thereby improving the water utilization rate.

[0018] Preferably, a one-way valve is fixedly installed on the outer surface of the circulation pipe, and a pump body is fixedly installed at the center of the circulation pipe.

[0019] The technical effects of adopting the above-mentioned further solution are: the pump body is turned on to transport the collected water through the circulation pipe to the inside of the water inlet pipe for recycling, thereby improving the water utilization rate; a small amount of water can better clean the inside of the tower body; and the one-way valve can prevent water backflow.

[0020] Preferably, a connecting plate is fixedly installed on the bottom plate of the pump body, and the connecting plate is fixedly installed on the outer surface of the tower body.

[0021] The technical advantage of adopting the above-mentioned further solution is that the connecting plate facilitates the fixed installation of the pump body.

[0022] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0023] 1. In this utility model, the liquid to be dried is transported into the interior of the spray pipe through the water inlet pipe, and then sprayed out through multiple atomizing nozzles. The stepper motor is turned on and drives the spray pipe to rotate through the connecting shaft. A sealing ring is fixedly installed at the bottom of the tower body to improve the sealing between the stepper motor and the tower body. The other end of the spray pipe is connected to a rotary joint, so the spray pipe can rotate inside the tower body. The spray pipe drives the multiple atomizing nozzles to rotate, which can evenly spray the liquid into the interior of the tower body for drying, thus improving the drying efficiency of the liquid. Two scrapers are fixedly installed at the center of the spray pipe through a connecting rod. The two scrapers can clean the particles formed after drying from the inner wall of the tower body to prevent excessive adhesion from affecting the drying effect of the liquid and to improve the cleanliness inside the tower body. The dried particles fall onto the baffle plate.

[0024] 2. In this utility model, the bolt is removed from the inside of the threaded hole, and the sealing plate is removed to take out the dried product. During cleaning, the cleaning water is introduced into the spray pipe through the water inlet pipe. Multiple atomizing nozzles spray the cleaning water into the inside of the tower body to clean the tower body. The cleaning wastewater collects at the bottom of the tower body. The baffle plate can separate impurities and water. The pump body is turned on to transport the collected water through the circulation pipe to the inside of the water inlet pipe for recycling, which improves the water utilization rate. A small amount of water can better clean the inside of the tower body. The one-way valve can prevent water backflow. After cleaning, the valve on the outer surface of the drain pipe is opened to drain the water. The cleaned impurity particles are taken out through the discharge port. Attached Figure Description

[0025] Figure 1 This utility model provides a schematic diagram of the structure of a spray drying tower;

[0026] Figure 2 This utility model provides a partial side view of the structure of a spray drying tower;

[0027] Figure 3 A cross-sectional structural diagram of a spray drying tower is provided for this utility model;

[0028] Figure 4 This invention provides an exploded structural diagram of a spray drying tower.

[0029] Legend:

[0030] 1. Tower body; 101. Inlet pipe; 102. Circulation pipe; 103. Check valve; 104. Connecting plate; 105. Pump body; 106. L-shaped plate; 107. Stepper motor; 108. Sealing plate; 109. Positioning plate; 110. Bolt; 111. Sealing ring; 112. Spray pipe; 113. Atomizing nozzle; 114. Scraper; 115. Baffle plate; 116. Rotary joint; 117. Connecting rod; 118. Discharge port; 119. Threaded hole; 120. Connecting shaft; 121. Drain pipe. Detailed Implementation

[0031] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0032] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0033] Example 1, as Figure 1-4 As shown, this utility model provides a spray drying tower, including: a tower body 1, an L-shaped plate 106 fixedly installed at the bottom of the tower body 1, a stepper motor 107 fixedly installed at the top of the L-shaped plate 106, the output end of the stepper motor 107 passing through the tower body 1, a connecting shaft 120 fixedly installed at the output end of the stepper motor 107, and a spray pipe 112 fixedly installed at the top of the connecting shaft 120; and a rotary joint 116 fixedly installed at the top of the spray pipe 112, with the rotary joint 116 fixedly installed at the center of the top of the tower body 1. One end is fixedly installed with a water inlet pipe 101; multiple atomizing nozzles 113 are all fixedly installed on the outer surface of the spray pipe 112; two connecting rods 117 are all fixedly installed on the outer surface of the spray pipe 112 near the center, and scrapers 114 are fixedly installed on the opposite ends of the two connecting rods 117, and the two scrapers 114 are in contact with the inner wall of the tower body 1; a baffle plate 115 is fixedly installed at the lower end of the inner side of the tower body 1, and a connecting shaft 120 is movably embedded in the center of the baffle plate 115; a sealing ring 111 is fixedly installed at the center of the bottom of the tower body 1.

[0034] In this embodiment, the liquid to be dried is transported to the inside of the spray pipe 112 through the water inlet pipe 101, and then sprayed out through multiple atomizing nozzles 113. The stepper motor 107 is turned on and drives the spray pipe 112 to rotate through the connecting shaft 120. A sealing ring 111 is fixedly installed at the bottom of the tower body 1 to improve the sealing between the stepper motor 107 and the tower body 1. The other end of the spray pipe 112 is connected to the rotary joint 116, so the spray pipe 112 can rotate inside the tower body 1. The spray pipe 112 drives the multiple atomizing nozzles 113 to rotate, which can evenly spray the liquid into the inside of the tower body 1 for drying, thus improving the drying efficiency of the liquid. Two scrapers 114 are fixedly installed at the center of the spray pipe 112 through the connecting rod 117. The two scrapers 114 can clean the particles formed after drying from the inner wall of the tower body 1 to prevent excessive adhesion from affecting the drying effect of the liquid and to improve the cleanliness inside the tower body 1. The dried particles fall onto the baffle plate 115.

[0035] Example 2, as Figure 1-4 As shown, a drain pipe 121 is fixedly installed at the bottom of the tower body 1; a discharge port 118 is provided at the lower end of the outer surface of the tower body 1, and a sealing plate 108 is movably embedded inside the discharge port 118. Threaded holes 119 are provided on both sides of the sealing plate 108; two positioning plates 109 are fixedly installed on the outer surface of the tower body 1 near the discharge port 118, and bolts 110 are threaded into the outer surfaces of both positioning plates 109; a circulation pipe 102 is fixedly installed on the bottom plate of the tower body 1, and the other end of the circulation pipe 102 is fixedly connected to the inlet pipe 101; a one-way valve 103 is fixedly installed on the outer surface of the circulation pipe 102, and a pump body 105 is fixedly installed at the center of the circulation pipe 102; a connecting plate 104 is fixedly installed on the bottom plate of the pump body 105, and the connecting plate 104 is fixedly installed on the outer surface of the tower body 1.

[0036] In this embodiment, the bolt 110 is removed from the inside of the threaded hole 119, and the sealing plate 108 is removed so that the dried product can be taken out. During cleaning, the cleaning water is also introduced into the spray pipe 112 through the water inlet pipe 101. Multiple atomizing nozzles 113 spray the cleaning water into the inside of the tower body 1 to clean the tower body 1. The cleaning wastewater collects at the bottom of the tower body 1. The baffle plate 115 can separate impurities and water. The pump body 105 is turned on to transport the collected water into the inside of the water inlet pipe 101 through the circulation pipe 102 for recycling, thereby improving the water utilization rate. A small amount of water can better clean the inside of the tower body 1. The one-way valve 103 can prevent water backflow. After cleaning, the valve on the outer surface of the drain pipe 121 is opened to drain the water. The cleaned impurity particles are taken out through the discharge port 118.

[0037] Working Principle: During use, the liquid to be dried is delivered to the inside of the spray pipe 112 through the water inlet pipe 101, and then sprayed out through multiple atomizing nozzles 113. The stepper motor 107 is turned on, driving the spray pipe 112 to rotate via the connecting shaft 120. A sealing ring 111 is fixedly installed at the bottom of the tower body 1 to improve the sealing between the stepper motor 107 and the tower body 1. The other end of the spray pipe 112 is connected to a rotary joint 116, allowing the spray pipe 112 to rotate inside the tower body 1. The spray pipe 112 drives the multiple atomizing nozzles 113 to rotate, evenly spraying the liquid into the interior of the tower body 1 for drying, thus improving the drying efficiency. Two scrapers 114 are fixedly installed at the center of the spray pipe 112 via a connecting rod 117. These scrapers 114 clean the particles formed after drying from the inner wall of the tower body 1, preventing excessive adhesion that could affect the drying process. The effect can also improve the cleanliness of the inside of the tower body 1. The dried particles fall onto the baffle plate 115. The bolt 110 is removed from the inside of the threaded hole 119, and the sealing plate 108 is removed so that the dried product can be taken out. During cleaning, the cleaning water is also introduced into the spray pipe 112 through the water inlet pipe 101. Multiple atomizing nozzles 113 spray the cleaning water into the inside of the tower body 1 to clean the tower body 1. The cleaning wastewater gathers at the bottom of the tower body 1. The baffle plate 115 can separate impurities and water. The pump body 105 is turned on to transport the collected water through the circulation pipe 102 to the inside of the water inlet pipe 101 for recycling, which improves the water utilization rate. A small amount of water can better clean the inside of the tower body 1. The one-way valve 103 can prevent water backflow. After cleaning, the valve on the outer surface of the drain pipe 121 is opened to drain the water. The cleaned impurity particles are taken out through the discharge port 118.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A spray drying tower, comprising: A tower body (1), with an L-shaped plate (106) fixedly installed at the bottom and a stepper motor (107) fixedly installed at the top of the L-shaped plate (106). The output end of the stepper motor (107) passes through the tower body (1), and a connecting shaft (120) is fixedly installed at the output end of the stepper motor (107). A spray pipe (112) is fixedly installed at the top of the connecting shaft (120). The tower body (1) is characterized by further comprising: A rotary joint (116) is fixedly installed on the top of the spray pipe (112). The rotary joint (116) is fixedly installed at the top center of the tower body (1). A water inlet pipe (101) is fixedly installed at one end of the rotary joint (116). Multiple atomizing nozzles (113) are fixedly installed on the outer surface of the spray pipe (112); Two connecting rods (117) are fixedly installed on the outer surface of the spray pipe (112) near the center. Scrapers (114) are fixedly installed on the opposite ends of the two connecting rods (117). The two scrapers (114) are in contact with the inner wall of the tower body (1). The baffle plate (115) is fixedly installed inside the lower end of the tower body (1), and the connecting shaft (120) is movably embedded in the center of the baffle plate (115); A sealing ring (111) is fixedly installed at the center of the bottom of the tower body (1); Drainage pipe (121) is fixedly installed at the bottom of the tower body (1).

2. The spray drying tower according to claim 1, characterized in that: The lower end of the outer surface of the tower body (1) is provided with a discharge port (118), and a sealing plate (108) is movably embedded inside the discharge port (118). Threaded holes (119) are provided on both sides of the sealing plate (108).

3. A spray drying tower according to claim 1, characterized in that: Two positioning plates (109) are fixedly installed on the outer surface of the tower body (1) near the discharge port (118), and bolts (110) are threaded into the outer surface of both positioning plates (109).

4. A spray drying tower according to claim 1, characterized in that: The bottom plate of the tower body (1) is fixedly installed with a circulation pipe (102), and the other end of the circulation pipe (102) is fixedly connected to the water inlet pipe (101).

5. A spray drying tower according to claim 4, characterized in that: A one-way valve (103) is fixedly installed on the outer surface of the circulation pipe (102), and a pump body (105) is fixedly installed at the center of the circulation pipe (102).

6. A spray drying tower according to claim 5, characterized in that: A connecting plate (104) is fixedly installed on the bottom plate of the pump body (105), and the connecting plate (104) is fixedly installed on the outer surface of the tower body (1).

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