Corn protein powder spray drying equipment

Abstract

The utility model relates to the technical field of spray drying, and discloses corn protein powder spray drying equipment which comprises a bottom plate and further comprises a cleaning assembly which is arranged on the outer side of a ball screw and can replace manual work to clean the inner wall of a drying tank. And the heating assembly is arranged in the drying tank and can dry and form the liquid material. Materials are sprayed into the drying tank in a mist shape through the feeding assembly and the heating assembly and are dried and formed after making contact with hot air, so that the contact area of the materials and the hot air is increased, and the drying effect and the drying quality of the materials are improved; the cleaning assembly is driven by the driving assembly to enter the drying tank, the spraying angle and the spraying direction of the cleaning assembly can be changed according to needs, residual corn protein powder on the inner wall of the drying tank can be effectively cleaned, the labor burden of workers is relieved, the cleaning effect and the cleaning efficiency are improved, and thorough cleaning of the inner wall of the drying tank is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of spray drying, in particular to a spray drying device for corn protein powder. Background Technique

[0002] Corn protein powder is a by-product after the corn kernels are processed by the food industry to produce starch or purified by the brewing industry. It is rich in protein nutrients, has a special taste and color, and has obvious resource advantages, high feeding value, and no toxic and harmful substances. In the production and processing of corn protein powder, a spray drying device is used. The purpose is to atomize the corn protein powder diluent and input it into the drying chamber. In contact with hot air, the moisture will be quickly vaporized, thus saving processes such as evaporation and crushing to obtain the dried corn protein powder.

[0003] When the existing corn protein powder spray drying device is in use, especially after continuous experiments or production for a period of time, there will inevitably be residues on the inner wall of the drying chamber. At this time, the drying chamber needs to be cleaned. Generally, workers hold tools by hand and clean the inner wall of the drying chamber through the manhole. This cleaning method has low efficiency. At the same time, the space of the manhole is limited, and it is difficult for workers to clean and operate. The operation steps are cumbersome and the labor load is large, which greatly affects the cleaning efficiency and cleaning effect and is not conducive to the long-term use of the spray dryer. Content of the Utility Model

[0004] The purpose of the utility model is to provide a spray drying device for corn protein powder to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A spray drying device for corn protein powder, including a bottom plate, a drying tank is arranged above the bottom plate, the bottom of the drying tank is fixedly connected with a first support plate, a plurality of first support columns are symmetrically installed at the bottom of the first support plate, the bottom ends of the first support columns are connected with the bottom plate, a second support column is arranged on one side of the drying tank, the bottom end of the second support column is connected with the bottom plate, a guide groove is opened inside the second support column, a ball screw is arranged inside the guide groove, and the ball screw is rotatably connected with both sides of the inner wall of the guide groove through bearings. It also includes:

[0006] A cleaning component is arranged outside the ball screw to clean the inner wall of the drying tank instead of manual labor. A driving component is arranged on one side of the second support column to provide a rotating force for the ball screw. A sealing top cover adapted to it is arranged on the top of the drying tank, and a feeding component capable of making the material enter the drying tank in an atomized state is arranged outside the sealing top cover;

[0007] A heating component capable of drying and forming the liquid material is arranged inside the drying tank, and a clean air component capable of recovering the remaining materials in the waste gas is arranged on one side of the drying tank.

[0008] Preferably, the cleaning assembly includes a first moving block disposed outside the ball screw. The first moving block is helically connected to the ball screw through a nut. One side of the first moving block is fixedly connected to an L-shaped rod. The top of one end of the L-shaped rod is fixedly connected to an L-shaped plate. The top of the L-shaped plate is rotatably connected to a hollow tube. The bottom end of the hollow tube penetrates outside the L-shaped rod and is fixedly connected to a third support column. The bottom of the third support column is fixedly connected to a rectangular sleeve. A second moving block is slidably connected inside the rectangular sleeve. A push rod motor is fixedly installed inside the third support column. The bottom end of the push rod motor is connected to the second moving block. There are no less than three gears on the outside of the second moving block. Side plates are provided at both ends of the gear. One side of the side plate is connected to the rectangular sleeve. The gears are respectively rotatably connected to the two side plates. One side of the gear is fixedly connected to a strip-shaped rod. A high-pressure nozzle is fixedly installed at one end of the strip-shaped rod. A linkage tooth corresponding to the gear is provided on the outside of the second moving block. The gear meshes with the linkage tooth. A liquid storage tank is fixedly connected to the top of the bottom plate. First liquid ports are provided at the top and bottom of the liquid storage tank. A liquid pumping pump is fixedly installed on the top of the liquid storage tank. The liquid inlet of the liquid pumping pump is connected to the liquid outlet of the liquid storage tank through a pipeline. The liquid outlet of the liquid pumping pump is connected to a first hose. The top end of the hollow tube is connected to a rotary joint. The bottom end of the first hose is connected to the rotary joint. One end of the high-pressure nozzle is connected to a second hose. The top end of the second hose is connected to the hollow tube. A first motor is fixedly installed on the top of the L-shaped rod. First belt pulleys are coaxially fixedly connected to the output end of the first motor and the outside of the hollow tube respectively. The first belt pulleys are connected by a transmission belt. A conductive slip ring is fixedly installed at the bottom of the L-shaped rod. The conductive slip ring is located outside the hollow tube. The push rod motor is connected to the wiring terminal of the conductive slip ring through a data cable.

[0009] Preferably, the driving assembly includes a second support plate fixed to one side of the second support column. A second motor is fixedly connected to the top of the second support plate. Second belt pulleys are coaxially fixedly connected to the output end of the second motor and the bottom end of the ball screw respectively. The second belt pulleys are connected by a transmission belt. An inclined pull rod is provided at the bottom of the second support plate. The inclined pull rod is respectively connected to the bottom plate and the second support column.

[0010] Preferably, the feeding assembly includes a material atomizer fixed to the top of the sealing top cover. The feeding port of the material atomizer is connected to a feeding pipe. A discharge port is provided at the bottom of the inner cavity of the drying tank. A material storage tank is fixedly connected to the top of the bottom plate. Second liquid ports are provided at the top and bottom of the material storage tank. A material pumping pump is provided on one side of the material storage tank. The material pumping pump is fixedly installed on the bottom plate. The bottom end of the feeding pipe is connected to the discharge port of the material pumping pump.

[0011] Preferably, the heating component includes a heating interlayer arranged inside the drying tank. A coiled pipe is fixedly connected inside the heating interlayer. One side of the coiled pipe is connected to a hot air nozzle, and one end of the hot air nozzle penetrates into the drying tank.

[0012] A heat preservation layer is arranged outside the coiled pipe. An air heater is fixedly installed on one side of the drying tank. The air outlet of the air heater is connected to the coiled pipe. The top of the bottom plate is fixedly connected with a first exhaust fan. The air outlet of the first exhaust fan is connected to an air inlet pipe, and the top end of the air inlet pipe is connected to the air inlet of the air heater.

[0013] Preferably, the clean air component includes a cyclone separator arranged on one side of the bottom plate. Third support plates are fixedly connected to both sides of the cyclone separator, and the bottom ends of the third support plates are connected to the bottom plate. A clean air outlet is arranged at the top of the cyclone separator. A collection box is arranged at the bottom of the cyclone separator. The air inlet of the cyclone separator is connected to a first air outlet pipe. The bottom end of the first air outlet pipe is connected to a second exhaust fan. The air inlet of the second exhaust fan is connected to a second air outlet pipe, and the top end of the second air outlet pipe is connected to the drying tank.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, the feeding component and the heating component spray the material into the drying tank in a mist form to contact with hot air and then dry and form. In this way, the contact area between the material and the hot air is increased, and the drying effect and drying quality of the material are improved. The driving component drives the cleaning component into the drying tank. The cleaning component can change the spraying angle and spraying direction according to needs, and can effectively clean the residual corn protein powder on the inner wall of the drying tank, reducing the labor burden of the staff, improving the cleaning effect and cleaning efficiency, and realizing the thorough cleaning of the inner wall of the drying tank. Description of the Drawings

[0016] Figure 1 is a schematic structural diagram of the corn protein powder spray drying equipment provided by the present utility model;

[0017] Figure 2 is a schematic rear view structure diagram provided by the present utility model;

[0018] Figure 3 is a schematic internal structure diagram of the drying tank provided by the present utility model;

[0019] Figure 4 is Figure 3 the enlarged structural diagram at A in

[0020] Figure 5 is a schematic structural diagram of the driving component provided by the present utility model;

[0021] Figure 6 Schematic structural diagram of the cleaning component provided by the present utility model;

[0022] Figure 7 Schematic structural diagram of the high-pressure nozzle provided by the present utility model.

[0023] In the figure: 1, bottom plate; 2, drying tank; 3, first support plate; 4, first pillar; 5, sealing top cover; 6, second pillar; 7, guide groove; 8, ball screw; 9, cleaning component; 91, first moving block; 92, L-shaped rod; 93, hollow tube; 94, third pillar; 95, rectangular sleeve; 96, push rod motor; 97, second moving block; 98, linkage tooth; 99, gear; 910, side plate; 911, strip-shaped rod; 912, high-pressure nozzle; 913, conductive slip ring; 914, rotary joint; 915, L-shaped plate; 916, first motor; 917, first pulley; 918, liquid storage tank; 919, liquid extraction pump; 920, first liquid port; 921, first hose; 922, second hose; 10, drive component; 101, second support plate; 102, second motor; 103, inclined pull rod; 104, second pulley; 11, feeding component; 111, material atomizer; 112, feeding pipe; 113, material extraction pump; 114, storage bin; 115, second liquid port; 12, heating component; 121, air heater; 122, air inlet pipe; 123, first exhaust fan; 124, heating interlayer; 125, spiral pipe; 126, hot air nozzle; 127, heat preservation layer; 13, clean air component; 131, cyclone separator; 132, third support plate; 133, collection box; 134, first air outlet pipe; 135, clean air outlet; 136, second exhaust fan; 137, second air outlet pipe; 14, discharge port. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1-7As shown in the figure, a spray drying device for corn protein powder includes a bottom plate 1. Above the bottom plate 1, there is a drying tank 2. The bottom of the drying tank 2 is fixedly connected to a first support plate 3. A plurality of first support columns 4 are symmetrically installed at the bottom of the first support plate 3. The bottom ends of the first support columns 4 are connected to the bottom plate 1. On one side of the drying tank 2, there is a second support column 6. The bottom end of the second support column 6 is connected to the bottom plate 1. A guide groove 7 is formed inside the second support column 6. A ball screw 8 is arranged inside the guide groove 7. The ball screw 8 is rotatably connected to both sides of the inner wall of the guide groove 7 through bearings respectively. It also includes: A cleaning component 9 is arranged outside the ball screw 8, which can replace manual labor to clean the inner wall of the drying tank 2. By setting the cleaning component 9, the residual corn protein powder on the inner wall of the drying tank 2 can be effectively cleaned, reducing the labor burden of the staff and improving the cleaning effect and cleaning efficiency; On one side of the second support column 6, there is a driving component 10 that can provide a rotational force for the ball screw 8. By setting the driving component 10, it can cooperate with the ball screw 8 to drive the cleaning component 9 in and out of the drying tank 2, thus facilitating the cleaning work; A sealing top cover 5 adapted to the drying tank 2 is arranged at the top of the drying tank 2. An upper feeding component 11 that can make the material enter the drying tank 2 in an atomized state is arranged outside the sealing top cover 5. By setting the upper feeding component 11, the liquid material can be sprayed into the drying tank 2 in a misty state, thus increasing the contact area between the material and the hot air and improving the drying effect and drying quality of the material; A heating component 12 that can dry and form the liquid material is arranged inside the drying tank 2. By setting the heating component 12, hot air can be generated inside the drying tank 2. After the hot air contacts the misty material, the material will quickly form; A clean air component 13 that can recover the remaining materials in the waste gas is arranged on one side of the drying tank 2. By setting the clean air component 13, the waste gas containing dust inside the drying tank 2 can be quickly led out of the drying tank 2 to avoid the waste gas affecting the drying process of the material.

[0026] The cleaning component 9 includes a first moving block 91 arranged outside the ball screw 8. It should be noted that before cleaning the inside of the cleaning and drying tank 2, the sealed top cover 5 needs to be opened and removed from the top of the drying tank 2 to facilitate the entry of the cleaning component 9; the first moving block 91 is helically connected to the ball screw 8 through a nut. One side of the first moving block 91 is fixedly connected with an L-shaped rod 92. The top of one end of the L-shaped rod 92 is fixedly connected with an L-shaped plate 915. The top of the L-shaped plate 915 is rotatably connected with a hollow tube 93. The bottom end of the hollow tube 93 penetrates outside the L-shaped rod 92 and is fixedly connected with a third support column 94. The bottom of the third support column 94 is fixedly connected with a rectangular sleeve 95. A second moving block 97 is slidably connected inside the rectangular sleeve 95. A push rod motor 96 is fixedly installed inside the third support column 94. The bottom end of the push rod motor 96 is connected to the second moving block 97. There are no less than three gears 99 on the outside of the second moving block 97. Side plates 910 are provided at both ends of the gear 99. One side of the side plate 910 is connected to the rectangular sleeve 95. The gears 99 are respectively rotatably connected to the two side plates 910. One side of the gear 99 is fixedly connected with a strip-shaped rod 911. A high-pressure nozzle 912 is fixedly installed at one end of the strip-shaped rod 911. A linkage tooth 98 corresponding to the gear 99 is provided on the outside of the second moving block 97. The gear 99 meshes with the linkage tooth 98. As Figure 6 , Figure 7 shown, by driving the second moving block 97 to slide inside the rectangular sleeve 95 by the push rod motor 96 and through the cooperation between the linkage tooth 98 on the outside of the second moving block 97 and the gear 99, the high-pressure nozzle 912 at one end of the strip-shaped rod 911 can change different spraying angles; a liquid storage tank 918 is fixedly connected to the top of the bottom plate 1. First liquid ports 920 are provided at both the top and the bottom of the liquid storage tank 918. A liquid pumping pump 919 is fixedly installed on the top of the liquid storage tank 918. The liquid inlet of the liquid pumping pump 919 is connected to the liquid outlet of the liquid storage tank 918 through a pipeline. The liquid outlet of the liquid pumping pump 919 is connected with a first hose 921. The top end of the hollow tube 93 is connected with a rotary joint 914. The bottom end of the first hose 921 is connected to the rotary joint 914. One end of the high-pressure nozzle 912 is connected with a second hose 922. The top end of the second hose 922 is connected to the hollow tube 93. A first motor 916 is fixedly installed on the top of the L-shaped rod 92. First belt pulleys 917 are coaxially fixedly connected to the output end of the first motor 916 and the outside of the hollow tube 93 respectively. The first belt pulleys 917 are connected by a transmission belt. A conductive slip ring 913 is fixedly installed at the bottom of the L-shaped rod 92. The conductive slip ring 913 is located outside the hollow tube 93. The push rod motor 96 is connected to the wiring terminal of the conductive slip ring 913 through a data cable. As Figure 2 , Figure 5 shown, by using the first motor 916 and the first belt pulleys 917, the high-pressure nozzle 912 can be driven to spray high-pressure water flow while changing the spraying orientation. Then, in cooperation with the linkage tooth 98 and the gear 99, the high-pressure nozzle 912 can be directed to any position inside the drying tank 2, thus realizing the thorough cleaning of the inner wall of the drying tank 2.

[0027] The driving component 10 includes a second support plate 101 fixed to one side of the second pillar 6. A second motor 102 is fixedly connected to the top of the second support plate 101. The output end of the second motor 102 and the bottom end of the ball screw 8 are both coaxially and fixedly connected with second belt pulleys 104. The second belt pulleys 104 are connected by a transmission belt. An inclined pull rod 103 is provided at the bottom of the second support plate 101. The inclined pull rod 103 is respectively connected to the bottom plate 1 and the second pillar 6. As Figure 1 , Figure 5 shown, the second motor 102 and the second belt pulleys 104 are used to drive the ball screw 8 to rotate, so as to drive the cleaning component 9 in and out of the drying tank 2.

[0028] The feeding component 11 includes a material atomizer 111 fixed to the top of the sealed top cover 5. The feeding port of the material atomizer 111 is connected with a feeding pipe 112. A discharge port 14 is provided at the bottom of the inner cavity of the drying tank 2. A storage tank 114 is fixedly connected to the top of the bottom plate 1. Second liquid ports 115 are provided at the top and bottom of the storage tank 114. A material pumping pump 113 is provided on one side of the storage tank 114. The material pumping pump 113 is fixedly installed on the bottom plate 1. The bottom end of the feeding pipe 112 is connected with the discharge port of the material pumping pump 113. As Figure 1 , Figure 3 shown, the material pumping pump 113 is used to input the corn protein powder raw material inside the storage tank 114 into the material atomizer 111. The material atomizer 111 then sprays the material into the drying tank 2 in a mist form, so as to increase the contact area between the material and the hot air, improve the drying effect and quality of the material. It should be noted that electromagnetic valves are installed inside the first liquid port 920, the second liquid port 115 and the discharge port 14 of the present utility model.

[0029] The heating component 12 includes a heating interlayer 124 arranged inside the drying tank 2. A spiral pipe 125 is fixedly connected inside the heating interlayer 124. One side of the spiral pipe 125 is connected with a hot air nozzle 126. One end of the hot air nozzle 126 penetrates into the drying tank 2. A heat insulation layer 127 is arranged outside the spiral pipe 125. An air heater 121 is fixedly installed on one side of the drying tank 2. The air outlet of the air heater 121 is connected with the spiral pipe 125. A first exhaust fan 123 is fixedly connected to the top of the bottom plate 1. The air outlet of the first exhaust fan 123 is connected with an air inlet pipe 122. The top end of the air inlet pipe 122 is connected with the air inlet of the air heater 121. As Figure 2 , Figure 3 shown, the first exhaust fan 123 is used to input air into the air heater 121. The air heater 121 heats the air and then inputs it into the spiral pipe 125. Then it sprays out from the hot air nozzle 126 on the outside of the spiral pipe 125. After the hot air contacts the misty material, the material will quickly take shape.

[0030] The clean air component 13 includes a cyclone separator 131 disposed on one side of the bottom plate 1. Third support plates 132 are fixedly connected to both sides of the cyclone separator 131. The bottom ends of the third support plates 132 are connected to the bottom plate 1. A clean air outlet 135 is provided at the top of the cyclone separator 131. A collection box 133 is provided at the bottom of the cyclone separator 131. The air inlet of the cyclone separator 131 is connected to a first air outlet pipe 134. The bottom end of the first air outlet pipe 134 is connected to a second exhaust fan 136. The air inlet of the second exhaust fan 136 is connected to a second air outlet pipe 137. The top end of the second air outlet pipe 137 is connected to the drying tank 2. As Figure 1 , Figure 2 shown, the second exhaust fan 136 is used to input the waste gas inside the drying tank 2 into the cyclone separator 131. The cyclone separator 131 will recycle the material particles in the waste gas again. The clean air after filtration will be discharged from the clean air outlet 135, thus avoiding waste of resources.

[0031] Working principle: First, the staff sprays the material into the drying tank 2 in a misty state through the feeding component 11 and the heating component 12 and contacts it with the hot air to dry and form. In this way, the contact area between the material and the hot air is increased, and the drying effect and drying quality of the material are improved. After the material processing is completed, the driving component 10 can drive the cleaning component 9 into the drying tank 2. The cleaning component 9 can change the spraying angle and spraying orientation according to needs, and can effectively clean the residual corn protein powder on the inner wall of the drying tank 2, reducing the labor burden of the staff, improving the cleaning effect and cleaning efficiency, and realizing the thorough cleaning of the inner wall of the drying tank 2.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A corn gluten powder spray drying device, comprising a bottom plate (1), characterized in that: A drying tank (2) is provided above the bottom plate (1), a first support plate (3) is fixedly connected to the bottom of the drying tank (2), a plurality of first pillars (4) are symmetrically mounted on the bottom of the first support plate (3), the bottom ends of the first pillars (4) are connected to the bottom plate (1), a second pillar (6) is provided on one side of the drying tank (2), the bottom ends of the second pillars (6) are connected to the bottom plate (1), a guide groove (7) is provided inside the second pillar (6), a ball screw (8) is provided inside the guide groove (7), and the ball screw (8) is rotatably connected to the two sides of the inner wall of the guide groove (7) through bearings, and further comprises: A cleaning assembly (9) is arranged on the outside of the ball screw (8) and can replace manual cleaning of the inner wall of the drying tank (2); a driving assembly (10) is arranged on one side of the second support (6) and can provide a rotational force for the ball screw (8); a sealing top cover (5) matching the top of the drying tank (2) is arranged on the top of the sealing top cover (5); a feeding assembly (11) is arranged on the outside of the sealing top cover (5) and can allow materials to enter the drying tank (2) in an atomized state; A heating component (12) is arranged inside a drying tank (2) and can dry and shape liquid materials. A clean air component (13) is arranged on one side of the drying tank (2) and can recover residual materials in the exhaust gas.

2. A corn gluten powder spray drying device according to claim 1, characterized in that: The cleaning assembly (9) comprises a first moving block (91) arranged outside the ball screw (8), the first moving block (91) being spirally connected to the ball screw (8) via a nut, one side of the first moving block (91) being fixedly connected to an L-shaped rod (92), the top of one end of the L-shaped rod (92) being fixedly connected to an L-shaped plate (915), the top of the L-shaped plate (915) being rotatably connected to a hollow tube (93), the bottom end of the hollow tube (93) passing through the outside of the L-shaped rod (92) and being fixedly connected to a third pillar (94), the bottom of the third pillar (94) being fixedly connected to a rectangular sleeve (95), the interior of the rectangular sleeve (95) being slidably connected to a second moving block (91). The third support (94) is provided with a push rod motor (96) fixedly installed inside, the bottom end of the push rod motor (96) is connected to the second moving block (97), the outer side of the second moving block (97) is provided with no less than three gears (99), both ends of the gear (99) are provided with side plates (910), one side of the side plate (910) is connected to the rectangular sleeve (95), the gear (99) is rotatably connected to the side plates (910) at both ends, one side of the gear (99) is fixedly connected to a strip rod (911), one end of the strip rod (911) is fixedly installed with a high-pressure nozzle (912), the outer side of the second moving block (97) is provided with a gear (99) connected to the gear (99) (99) corresponding linkage teeth (98), the gear (99) and the linkage teeth (98) are meshed with each other, the top of the bottom plate (1) is fixedly connected with a liquid storage tank (918), the top and bottom of the liquid storage tank (918) are both provided with a first liquid port (920), the top of the liquid storage tank (918) is fixedly installed with a liquid pump (919), the liquid inlet of the liquid pump (919) is connected to the liquid outlet of the liquid storage tank (918) through a pipeline, the liquid outlet of the liquid pump (919) is connected to a first hose (921), the top of the hollow tube (93) is connected with a rotary joint (914), the bottom end of the first hose (921) is connected to the rotary joint (914), One end of the high-pressure nozzle (912) is connected to a second hose (922), the top of the second hose (922) is connected to the hollow tube (93), a first motor (916) is fixedly installed on the top of the L-shaped rod (92), the output end of the first motor (916) and the outer side of the hollow tube (93) are coaxially fixedly connected to a first pulley (917), the first pulleys (917) are connected via a transmission belt, the bottom of the L-shaped rod (92) is fixedly installed on a conductive slip ring (913), the conductive slip ring (913) is located outside the hollow tube (93), and the push rod motor (96) is connected to the wiring terminal of the conductive slip ring (913) via a data line.

3. A corn protein powder spray drying equipment according to claim 1, characterized in that: The driving assembly (10) comprises a second support plate (101) fixed to one side of a second pillar (6); a second motor (102) is fixedly connected to the top of the second support plate (101); a second pulley (104) is coaxially fixedly connected to the output end of the second motor (102) and the bottom end of the ball screw (8); the second pulleys (104) are connected via a transmission belt; a diagonal rod (103) is provided at the bottom of the second support plate (101); the diagonal rod (103) is respectively connected to the bottom plate (1) and the second pillar (6).

4. A corn protein powder spray drying equipment according to claim 1, characterized in that: The feeding assembly (11) comprises a material atomizer (111) fixed to the top of the sealing top cover (5); the feeding port of the material atomizer (111) is connected to a feeding pipe (112); the bottom of the inner cavity of the drying tank (2) is provided with a discharge port (14); the top of the bottom plate (1) is fixedly connected to a material storage box (114); the top and bottom of the material storage box (114) are both provided with a second liquid port (115); one side of the material storage box (114) is provided with a material extraction pump (113); the material extraction pump (113) is fixedly mounted on the bottom plate (1); and the bottom end of the feeding pipe (112) is connected to the material discharge port of the material extraction pump (113).

5. A corn protein powder spray drying equipment according to claim 1, characterized in that: The heating assembly (12) comprises a heating interlayer (124) arranged inside the drying tank (2), a spiral tube (125) is fixedly connected inside the heating interlayer (124), a hot air nozzle (126) is connected to one side of the spiral tube (125), one end of the hot air nozzle (126) penetrates into the drying tank (2), a heat preservation layer (127) is arranged outside the spiral tube (125), an air heater (121) is fixedly installed on one side of the drying tank (2), an air outlet of the air heater (121) is connected to the spiral tube (125), a first exhaust fan (123) is fixedly connected to the top of the bottom plate (1), an air outlet of the first exhaust fan (123) is connected to an air inlet pipe (122), and a top end of the air inlet pipe (122) is connected to an air inlet of the air heater (121).

6. A corn protein powder spray drying equipment according to claim 1, characterized in that: The clean air component (13) comprises a cyclone separator (131) arranged on one side of the bottom plate (1), third support plates (132) are fixedly connected to both sides of the cyclone separator (131), the bottom end of the third support plate (132) is connected to the bottom plate (1), a clean air outlet (135) is provided at the top of the cyclone separator (131), a collecting box (133) is provided at the bottom of the cyclone separator (131), an air inlet of the cyclone separator (131) is connected to a first air outlet pipe (134), a second exhaust fan (136) is connected to the bottom end of the first air outlet pipe (134), an air inlet of the second exhaust fan (136) is connected to a second air outlet pipe (137), and a top end of the second air outlet pipe (137) is connected to the drying tank (2).

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