Preparation equipment of compound nutrient

Abstract

The utility model relates to preparation equipment for compound nutrients. The preparation equipment comprises a mixing device, a vibration screening device and a stocker. The mixing device is provided with a feed port and a discharge port, the mixing device is suitable for uniformly mixing various materials fed into the mixing device, the discharge port of the mixing device is communicated with the input end of the vibration screening device, and the vibration screening device is suitable for vibrating the screening surface of the vibration screening device, so that the materials uniformly mixed by the mixing device are screened; materials passing through the screen holes of the screen surface are output from the output end of the screen; the stocker is provided with a feeding port, and the feeding port of the stocker is suitable for being detachably connected with the output end of the vibration screening device, so that materials output by the vibration screening device are stored. Compared with existing preparation equipment, the powder material preparation equipment can reduce screen mesh blockage caused by attachment and adhesion of powder materials.

Description

Technical Field

[0001] The present application relates to the technical field of food nutrients, and particularly relates to a preparation device for compound nutrients. Background Art

[0002] In order to improve the nutritional value of food, people will add nutrients to food according to nutritional needs. With the improvement of living standards, people pay more and more attention to the nutritional value of food. Existing standardized nutrient foods will select various micronutrients from more than 100 compounds according to corresponding standard requirements, mix them evenly to form compound nutrients, and then add and use them.

[0003] Various micronutrient materials used in compound nutrients are usually powders. When powders are stored for a long time, caking will occur, which will bring unnecessary trouble and interference to purchasers and users. In order to achieve high-standard and high-quality management of compound nutrients, it is necessary to screen the powdery materials before packaging and storage during the preparation process of compound nutrients to achieve quality control and inspection of the powders.

[0004] Traditional preparation devices for compound nutritional agents only set a screen at the discharge port of the mixing device to passively receive material screening. This screening method is prone to adhesion of powdery materials, resulting in phenomena such as screen blockage, which will cause the screen to fail and unable to continue working. It is not conducive to the efficient and rapid preparation of compound nutritional agents. Utility Model Content

[0005] In order to reduce the adverse effects of human factors on the preparation process of compound nutrients, the present application provides a preparation device for compound nutrients.

[0006] A preparation device for compound nutrients provided to achieve the purpose of the present utility model includes:

[0007] A mixing device, a vibrating sieving device, and a storage hopper;

[0008] The mixing device is provided with a feed inlet and a discharge port. The mixing device is suitable for mixing various materials put into it evenly. The discharge port of the mixing device is communicated with the input end of the vibrating sieving device.

[0009] The vibrating sieving device is suitable for vibrating its sieve surface to screen the materials evenly mixed by the mixing device and output the materials passing through the sieve holes of its sieve surface at its output end.

[0010] The storage hopper is provided with a feed inlet. The feed inlet of the storage hopper is suitable for being detachably connected to the output end of the vibrating sieving device to store the materials output by the vibrating sieving device.

[0011] Compared with the preparation equipment of traditional compound nutrients, only a screen is set at the discharge port of the mixing device to passively receive material screening. This screening method is prone to the phenomenon of accumulated retained materials blocking the screen, which will cause the screen to fail and unable to continue working. In this application, a vibrating screening device is set at the discharge end of the mixing device. The vibrating screening device vibrates its screen surface, and the powdery material has a certain upward acceleration under the vibration of the screen, so that the material on the screen always remains in a suspended state, thereby suppressing factors such as adhesion, friction, and flat drop that block the screen, and solving the screening problems of strong adsorption and easy agglomeration.

[0012] Compared with the preparation equipment of traditional compound nutrients, the screening component of this application is not easily blocked by retained materials, and the retained waste can be discharged in time, ensuring the smooth and normal operation of the entire preparation process of compound nutrients including mixing, vibrating screening, and packaging and storage, so that the preparation equipment of compound nutrients can efficiently and quickly prepare compound nutritional agents. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Shows the structural schematic diagram of the preparation equipment of compound nutrients according to the embodiment of this application;

[0014] Figure 2 Shows the structural schematic diagram of the preparation equipment of compound nutrients according to the embodiment of this application;

[0015] Figure 3 Shows the structural schematic diagram of the preparation equipment of compound nutrients according to the embodiment of this application;

[0016] Figure 4 Shows the structural schematic diagram of the preparation equipment of compound nutrients according to the embodiment of this application;

[0017] Figure 5 Shows the structural schematic diagram of the vibrating screening device according to the embodiment of this application;

[0018] Figure 6 Shows the internal structural schematic diagram of the vibrating screening device according to the embodiment of this application. It should be noted that this is a sectional view of the vibrating screening device. The vibration driver is drawn with invisible dotted lines and is not inside the vibration container, but outside the vibration container. Only its driving end penetrates into the vibration container and is connected to the screen surface to drive the screen surface to vibrate;

[0019] Figure 7 Shows the structural schematic diagram of the crusher according to the embodiment of this application;

[0020] Figure 8 Shows the structural schematic diagram of the storage bag according to the embodiment of this application.

[0021] Mixing device 100, mixing bin 110, feed inlet 111, discharge outlet 112, three-dimensional motion drive device 120, stirrer 130, vibrating sieving device 200, input end 210 of the vibrating sieving device, output end 220 of the vibrating sieving device, waste outlet 230, vibrating container 240, sieve surface 250, elastic member 251, vibration driver 260, storage device 300, suspension rope 310, heat-sealed sealing portion 320, vacuum port 330, filter membrane 340, one-way valve 350, weighing device 410, weighing container 420, vacuum pumping device 500, pulverizer 600, conveying pipeline 711, screw shaft 712, sieve mesh 720, cutter 730, valve 800. Detailed implementation manners

[0022] Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. The same reference numerals in the drawings denote elements having the same or similar functions. Although various aspects of the embodiments are shown in the drawings, the drawings do not have to be drawn to scale unless otherwise specified.

[0023] In addition, for better illustration of the present application, numerous specific details are given in the following detailed implementation manners. Those skilled in the art should understand that the present application can be implemented without some of these specific details. In some instances, methods, means, elements and circuits well known to those skilled in the art are not described in detail so as to highlight the gist of the present application.

[0024] The present application provides a preparation device for compound nutrients, including a mixing device, a vibrating sieving device and a storage device. The mixing device is provided with a feed inlet and a discharge outlet. The mixing device is suitable for mixing various materials put into it evenly. The discharge outlet of the mixing device is communicated with the input end of the vibrating sieving device. The vibrating sieving device is suitable for vibrating its sieve surface, so as to screen the materials mixed evenly by the mixing device, and output the materials passing through the sieve holes of its sieve surface at its output end; the storage device is provided with a feed inlet, and the feed inlet of the storage device is suitable for being detachably connected to the output end of the vibrating sieving device, so as to store the materials output by the vibrating sieving device.

[0025] Compared with the traditional preparation device for compound nutrients, only a sieve mesh is set at the discharge outlet of the mixing device to passively receive material screening. This screening method is prone to the phenomenon of accumulated retained materials blocking the sieve mesh, which will cause the sieve mesh to fail and unable to continue working. The present application sets a vibrating sieving device at the discharge end of the mixing device. The vibrating sieving device is a device that vibrates its sieve surface. The powdery materials have a certain upward acceleration under the vibration of the sieve mesh, so that the materials on the sieve surface always remain in a suspended state, thereby suppressing factors such as adhesion, friction, and flat drop that cause the sieve mesh to be blocked, and solving the screening problem of strongly adsorbable and easily agglomerated materials. In addition, the vibration of the sieve surface will interact with the materials with loosely agglomerated lumps, so as to vibrate them loose.

[0026] Compared with the preparation equipment of traditional compound nutrients, the sieving component of the present application is not easily blocked by the retained materials, and the retained waste can be discharged in time, ensuring the smooth and normal operation of the entire set of preparation processes of compound nutrients, including mixing, vibrating sieving, and packaging and storage, so that the preparation equipment of compound nutrients can efficiently and quickly prepare compound nutritional agents.

[0027] It should be noted that the present application does not limit the specific structure of the vibrating sieving device, as long as it can perform vibrating sieving. There are many vibrating sieving devices for food and medicine. The present application does not make special improvements to the shape and structure of the vibrating sieving device, and an ordinary vibrating sieving device can be used. Here, the patent document CN207695130U is provided as a reference. The patent document CN207695130U provides a vibrating sieving machine. The vibrating sieving machine in this document can be used as an implementation manner of the vibrating sieving device of the present application. The upper opening of the sieve basin in this document can be used as an implementation manner of the input end of the vibrating sieving device of the present application. The discharge channel in this document can be used as an implementation manner of the output end of the vibrating sieving device of the present application. In this document, the sieve mesh on the vibrating disk can be used as an implementation manner of the sieve surface of the vibrating sieving device of the present application, as long as the aperture of the sieve holes on the sieve surface meets the quality standard requirements of the compound nutrients.

[0028] In a possible implementation manner, the sieve surface is inclined with respect to the ground, and the larger retained materials that cannot pass through remain on the sieve surface and roll down uniformly under the action of gravity to the lower end of the inclined sieve surface, facilitating the removal of the retained materials. The input end of the sieving container of the vibrating sieving device is a cylindrical cavity, and a circular opening with the same inner diameter as the cylindrical cavity is provided at one axial end of the cylindrical cavity as the feeding end of the sieving container, facilitating the observation, collection, and removal of the retained materials for crushing or waste treatment.

[0029] Furthermore, a waste outlet is provided on the side wall of the sieving container of the vibrating sieving device near the lower end of the inclined sieve surface. The larger retained materials that cannot pass through remain on the sieve surface and are discharged along the inclined surface of the sieve to the waste outlet, and the finer powdery materials are transported through the sieve holes to the storage container connected to the output end of the vibrating sieving device.

[0030] Furthermore, the sieve surface is driven by a vibration driver to vibrate. The sieve surface matches the sieving container and is installed inside the sieving container. The sieve surface and the sieving container are connected by elastic members for elastic buffering, reducing the impact of the sieve surface vibration on the sieving container, preventing the vibration container from shaking randomly and being unstable during vibration, and ensuring the operation safety and comfort. The sieve surface is plate-shaped, and there are more than two elastic members at its plate-shaped outer edge for connecting with the inner wall of the sieving container. The more than two elastic members are circumferentially distributed around the center of the plate-shaped plane of the sieve surface (such as the center of a circular plate). Further, near the waste outlet, the elastic members are reduced or even not provided at the plate-shaped outer edge of the sieve surface to strengthen the vibration intensity that the materials retained at the inclined lower end of the sieve surface can receive and try to vibrate and disperse them.

[0031] In a possible implementation manner, the vibrating sieving device adopts an ultrasonic vibrating sieving device, which is suitable for ultrasonic vibration of the sieve surface by the driver, so as to screen the materials on the sieve surface. Change the vibration driver of the sieve surface, adopt a motor ultrasonic vibrator, and connect the driving end of the motor ultrasonic vibrator to the sieve surface.

[0032] In a possible implementation manner, there are more than two storage bins, and the feeding ports of the more than two storage bins are all suitable for being detachably connected to the output end of the vibrating sieving device.

[0033] In a possible implementation manner, the storage bin adopts a stainless steel storage tank, and a feeding port is opened on one side wall of the storage tank. Further, the feeding port of the storage tank is detachably connected with a cover. The cover is circular, and there is an external thread on the outer edge of one side of the cover. The cover is threadedly connected with the feeding port of the storage tank to achieve detachable connection. A sealing ring coaxial with the external thread can be sleeved and fixed at the root of the external thread of the cover to maintain the sealing of the sealed tank when the cover is connected to the storage tank. The cover is provided with a vacuum port for connecting with a vacuum pumping device to form a vacuum environment in the closed cavity of the sealed tank for vacuum storage of the compound nutrient.

[0034] In a possible implementation manner, the storage bin adopts a storage bag, and the opening of the storage bag is used as the feeding port of the storage bin. The opening of the storage bag is suitable for being sleeved on the output end of the vibrating sieving device, so as to achieve the detachable connection between the storage bin and the vibrating sieving device.

[0035] In a possible implementation manner, the end of the storage bag with an opening is provided with a sealing part, which is suitable for closing the opening of the storage bag after the storage bag is filled with materials. When filling materials, the sealing part of the storage bag opens to form an opening; after filling materials, when the storage bag needs to be sealed, the sealing part is pressed into a line for connection, preferably sealed, such as heat sealing, self-sealing with a self-sealing strip, cold sealing, (pressing and bonding two opposite adhesive strips on the two opposite inner side walls of the opening end bag body), etc.

[0036] In a possible implementation, the bag body at the open end of the storage bag uses a heat-sealing material (such as plastic, which melts and adheres when heated to seal the storage bag) as its sealing part. The preparation equipment for the compound nutrient provided in this application further includes a heat-sealing device. The heat-sealing device is suitable for pressing the two sides of the sealing part so that the opening edges (when filling) are all located on the same straight line and fit together, heating the two layers of plastic films on both sides of the sealing part to fuse them together, thereby sealing the storage bag. As long as the heating temperature and time are carefully controlled to prevent burning or scalding, a sealed storage bag with good sealing effect, good airtightness, and filled with materials can be obtained.

[0037] In a possible implementation, the storage bag uses a self-sealing bag. A self-sealing strip is provided on the inner wall of the open end of the storage bag as the sealing part. The self-sealing strip includes a first self-sealing member and a second self-sealing member. The first self-sealing member and the second self-sealing member are arranged oppositely and are respectively fixed on the opposite inner side walls of the open end of the storage bag. The first self-sealing member is provided with a self-sealing groove, and the second self-sealing member is provided with a self-sealing protrusion that is arranged oppositely and matches the self-sealing groove. The self-sealing protrusion of the second self-sealing member faces the groove opening of the self-sealing groove, and the two sides of the open end of the storage bag are sealed by pressing the self-sealing groove and the self-sealing protrusion.

[0038] It should be noted that although most self-sealing bags are rectangular bags formed by two-piece pressing, this is only one implementation method selected by the industry to reduce the manufacturing cost of the bags, and it should not be understood as a limitation to this application. The self-sealing bag used in this application can be a rectangular bag formed by two-piece pressing, can also be a cylindrical bag with an open end at one axial end, or can also be a cuboid bag with an open end at one axial end. These bag types are integrally formed (the side edges of the cuboid are indentations), and compared with the two-piece pressed bags, they have a larger capacity, are less likely to be burst and separated at both sides, and have strong stability and low risk.

[0039] The storage bag sealed by the self-sealing strip also has very good sealing effect and airtightness. In addition, it also has the advantages of being able to be opened and sealed at any time and being able to be unsealed multiple times, and is especially suitable for the storage of compound nutrients that need to be sampled in small amounts and multiple times.

[0040] In a possible implementation, a handle is provided on the outer side surface of the bag body of the storage bag for holding and moving the storage bag. Further, a hanging rope is provided as the handle on the bag body of the storage bag. The hanging rope is located outside the storage bag. The two ends of the rope length of the hanging rope are connected to the outer side of the bag body of the storage bag, and a preset gap is provided between the middle part of the hanging rope and the bag body of the storage bag.

[0041] It should be noted that the "lifting rope" in this application specifically refers to a long strip with a certain degree of softness, fixed at one place to form a circular opening, and can be used as a "rope" for holding and pulling by hand. Due to the characteristics of the rope, it can be deformed to fit the human hand and is relatively soft. Therefore, when the material is light, it is easier for people to hold the handle and lift the storage bag, such as hanging the storage bag on the hand and moving it. It should not be understood that the lifting rope must be a twisted rope, nor should it be understood as a limitation on its material. As long as it has softness and appropriate deformation ability, it can be plastic, a cloth bag fabric, such as non-woven fabric, or a traditional rope. It is preferably plastic, with low cost, sufficient softness and deformation ability, and is integrally formed with the storage bag body, making it more firm.

[0042] In a possible implementation manner, a vacuum port is provided on one side of the storage bag body, and a filter membrane and a one-way valve are installed at the vacuum port. The filter membrane and the one-way valve face the inside and outside of the storage bag respectively, with the filter membrane facing inwards and the one-way valve facing outwards. Here, "one-way" specifically means one-way passage from the inside to the outside of the storage bag, and passage from the outside to the inside is blocked. The preparation equipment for the compound nutrient also includes a vacuum pumping device. The vacuum pumping device is provided with an air suction pipe, which is adapted to attach to and adsorb the storage bag body around the vacuum port with the vacuum port as the center after the material filling is completed and the feeding port of the storage bag is sealed by the sealing part, and extract the air inside the storage bag. The material is blocked by the filter membrane and cannot pass through the filter membrane. By reasonably selecting the filter membrane, the gas can pass through under the suction of the vacuum pumping device, but the solid material cannot pass through. After the air inside the storage bag is exhausted, the compound nutrient stored in a vacuum environment is obtained.

[0043] In a possible implementation manner, the vibrating sieving device can screen and output immediately, and the fine powder screened out is directly output to the storage device. The capacity of a single storage device is greater than or equal to the amount of material processed and prepared each time, and it outputs directly in a single batch and processes in batches. In another possible implementation manner, a valve is provided at the output end of the vibrating sieving device, and the material is discharged in batches. After accumulating a certain amount of material, the valve is opened to discharge the material. When the valve is fully closed, the vibrating sieving device does not output the material with a smaller aperture (compared to the material retained by not passing through the sieve holes of the sieve surface), and the next storage device is disassembled and replaced. The valve is opened to send the material with a smaller aperture obtained by sieving to the storage device. The preparation equipment for the compound nutrient can be adjusted by the opening degree of the valve. There is no longer a requirement for the relationship between the capacity of the storage device and the amount of material processed and prepared each time, and various specifications of components can be adapted through changes in the processing flow means.

[0044] In a possible implementation, the mixing device includes a mixing bin and a stirrer. The mixing bin is provided with a discharge port and a feed port. The feed port is arranged at the upper top of the mixing bin, facing away from the ground, and a valve can be provided at the discharge port. The stirrer includes a stirring driver, a stirring shaft, and a stirring part. The stirring driver can adopt an electric motor, and its driving end is coaxially and fixedly connected to one axial end of the stirring shaft to drive the stirring shaft to rotate around its own axis. One end of the stirring shaft penetrates into the mixing bin and is located inside the mixing bin. The axial end of the stirring shaft penetrating into the mixing bin is provided with a stirring part, which is suitable for stirring the materials in the mixing bin to mix the materials in the mixing bin evenly. The stirring part can be a plurality of stirring blades circumferentially distributed around the stirring shaft and fixed to the radial side wall of the stirring shaft, or a spiral stirring blade fixedly arranged outside the stirring shaft.

[0045] In a possible implementation, the mixing device adopts a three-dimensional mixer. The three-dimensional mixer includes a mixing bin and a three-dimensional motion driving device. The side wall of the mixing bin is provided with a feed port and a discharge port. Both the feed port and the discharge port can be switched between the open and closed states, such as a detachable cover or a valve is provided at the feed and discharge ports. The driving end of the three-dimensional motion driving device is fixedly connected to the side wall of the mixing bin, and is used to drive the mixing bin to perform three-dimensional motion to uniformly mix various materials added in the mixing bin.

[0046] This application does not specifically limit the specific structural configuration of the three-dimensional mixer, the three-dimensional motion driving method, the selection of the three-dimensional motion driving device to be adapted, and the specific structural configuration. As long as the three-dimensional motion of the mixing bin can be realized, so that various materials in the mixing bin perform three-dimensional motion along with the mixing bin, and are repeatedly and continuously flipped and mixed at multiple angles to ensure the mixing uniformity. There are many three-dimensional mixers at the food and drug preparation level. Since no research has been carried out on the structural improvement of the three-dimensional mixer, no more details will be given. For specific implementation, reference can be made to a three-dimensional motion mixer for health product processing and production provided in the patent document CN112275177B. The three-dimensional motion mixer for health product processing and production provided in this document can be used as an implementation of the mixing device of this application. The mixing cylinder provided in this document can be used as an implementation of the mixing bin of this application. In this document, the combination of all components of the three-dimensional motion mixer for health product processing and production except the mixing cylinder is used as an implementation of the three-dimensional motion driving device.

[0047] In a possible implementation, the sieve holes of the sieve surface of the vibrating sieving device are 700-900 mesh, preferably 800 mesh.

[0048] In a possible implementation, the preparation equipment for the compound nutrient also includes a weighing device and a weighing container; the weighing device is suitable for weighing the weight of the materials contained in the weighing container and putting the materials into the mixing device with a preset weight.

[0049] In a possible implementation, the preparation device for the compound nutrient further includes a crusher, which is suitable for crushing materials with a relatively large volume into materials with a smaller aperture so that they can smoothly pass through the sieve surface of the vibrating sieving device.

[0050] According to the characteristics of the materials used in the compound nutrient and the problems found in the actual preparation process of the compound nutrient, the preparation process flow, the installation position and the use of the crusher can be flexibly adjusted.

[0051] If there are some materials with a relatively large particle size in the compound nutrient that need to be pre-crushed,

[0052] (If there is a weighing device, after weighing / performing other control operations to allocate the material ratios of the nutrient components,) some of the materials with a relatively large volume used in the compound nutrient are pre-crushed by the crusher in advance, and then the crushed materials and the materials that do not need and have not been processed by the crusher are all put into the mixing device according to the compound ratio, mixed evenly and then subjected to vibrating screening and storage.

[0053] The crusher can be independent of each component without any connection. The crushed materials are collected in a transport container and then moved to the mixer or other components for addition. In another possible implementation, (if there is a weighing device, it can be after the weighing device) in front of the mixing device, that is, a crusher is arranged on the feeding side of the feeding port of the mixing device. The output end of the crusher used for pretreatment is connected to the feeding port of the mixing device. The connection method depends on whether there are materials that do not need to be pre-crushed in the compound nutrient and the mixing method of the mixing device. If not and the stirrer is used for mixing, then the output end of the crusher used for pretreatment is fixedly connected to the feeding port of the mixing device to transport the crushed materials. If one of the conditions is not met, the output end of the crusher used for pretreatment is detachably connected to the feeding port of the mixing device. For example, both its output end and the feeding port of the mixing device are tubular, sleeved and inserted, and the crushed materials are slid out for output. After all the materials are added to the mixing bin, three-dimensional motion mixing / operating the mixing device to mix the materials.

[0054] If the materials used in the compound nutrient meet the requirements of the sieve mesh of the compound vibrating sieve individually, but caking is likely to occur during the mixing process, the materials intercepted by the sieve surface of the vibrating sieving device can be collected and pulverized by a pulverizer. Depending on the proportion of the caked materials in this batch of compound nutrient preparation and the quality ratio requirements of the compound nutrient, it can be flexibly selected whether to mix and sieve again the materials output by the vibrating sieving device and the pulverized products of the intercepted materials, or only to vibrate and sieve the intercepted materials and store them together with other materials collected in the storage bin, or directly add the pulverized products of the intercepted materials into the storage bin and store them together with other materials collected at the output end of the vibrating sieving device of the storage bin. Preferably, it is stored after remixing and vibrating sieving. According to different preparation processes, the output end of the pulverizer for intercepting materials can be detachably connected to the feed inlet of the mixing device, the input end of the vibrating sieving, or the feed inlet of the storage bin. The output end of the pulverizer for intercepting materials, the discharge port of the mixing device, and the output end of the vibrating sieving device are provided with a first connecting part, and the feed inlet of the mixing device, the input end of the vibrating sieving, and the feed inlet of the storage bin are provided with a second connecting part matching the first connecting part, and the first connecting part and the second connecting part are detachably connected. For example, tubular insertion, and it can be detachably replaced by sliding and pulling out, which is more flexible and can better adapt to the flexible and changeable preparation needs.

[0055] In a possible implementation, the pulverizer includes a pressurized conveying part, a sieve mesh, and a cutter. The pressurized conveying part is suitable for conveying the materials to one side of the sieve mesh and applying pressure to the materials to break them and generate a tendency to pass through the sieve mesh. A cutter is provided on the opposite side of the sieve mesh, that is, the pressurized conveying part and the cutter are located on opposite sides of the sieve mesh. The pressurized conveying part is located on the feeding side of the sieve mesh, and the cutter is located on the discharging side of the sieving. The cutter rotates at a high speed under the action of a cutting driver and cuts the materials passing through the sieve mesh into powder. The aperture size of the sieve holes of the sieve mesh is the same as that of the sieve holes on the sieve surface of the vibrating sieving device. Specifically, it is also 700 - 900 meshes, preferably 800 meshes.

[0056] In a possible implementation, the pressurized conveying part adopts a spiral shaft conveyor, which includes a conveying pipe and a spiral shaft that penetrates into the conveying pipe through a bearing in an opening on the side wall of the conveying pipe and rotates in the conveying pipe. Under the rotation of the spiral shaft, the materials are stirred and conveyed to one axial end of the spiral shaft. The sieve mesh is installed at one axial end of the spiral shaft and is located at the end point of the conveying direction of the spiral shaft. As the spiral shaft rotates continuously, pressure is continuously applied to the materials towards the sieve mesh until all the materials pass through the sieve.

[0057] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is also not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, the practical application, or the improvement of technologies in the market, or to enable other ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A preparation device for compound nutrients, characterized in that: include: Mixing devices, vibrating screening devices and hoppers; The mixing device is provided with a feed inlet and a discharge outlet, and is suitable for uniformly mixing a variety of materials put into it. The discharge outlet of the mixing device is connected to the input end of the vibrating screening device. The vibrating screening device is suitable for vibrating its screen surface, thereby screening the material mixed evenly by the mixing device, and outputting the material passing through the screen holes of its screen surface at its output end; The accumulator is provided with a feed port, and the feed port of the accumulator is suitable for being detachably connected to the output end of the vibrating screening device, so as to store the material output by the vibrating screening device.

2. The preparation equipment of compound nutrients according to claim 1, characterized in that: There are more than two material storage containers, and the feed ports of the more than two material storage containers are suitable for being detachably connected to the output end of the vibrating screening device.

3. The preparation equipment of compound nutrients according to claim 1, characterized in that: The accumulator adopts a storage bag, the opening of the storage bag serves as a feed port of the accumulator, and the opening of the storage bag is suitable for being sleeved on the output end of the vibrating screening device, thereby realizing a detachable connection between the accumulator and the vibrating screening device.

4. The preparation equipment of compound nutrients according to claim 3, characterized in that: The end of the material storage bag having an opening is provided with a sealing portion, which is suitable for closing the opening of the material storage bag after the material storage bag is filled with materials.

5. The preparation equipment of compound nutrients according to claim 3, characterized in that: The outer side of the bag body of the material storage bag is provided with a handle for holding and moving the material storage bag.

6. The preparation equipment of compound nutrients according to claim 5, characterized in that: The bag body of the material storage bag is provided with a hanging rope as a handle, the hanging rope is located outside the material storage bag, both ends of the hanging rope are connected to the outside of the bag body of the material storage bag, and a preset gap is provided between the middle part of the hanging rope and the bag body of the material storage bag.

7. The preparation equipment of compound nutrients according to claim 1, characterized in that: A valve is provided at the output end of the vibrating screening device.

8. The preparation equipment of compound nutrients according to claim 1, characterized in that: The mixing device adopts a three-dimensional mixer.

9. The preparation equipment of compound nutrients according to claim 1, characterized in that: The mesh size of the vibrating screening device is 700-900 meshes.

10. The preparation equipment of compound nutrients according to claim 1, characterized in that: Also included are weighing equipment and weighing containers; The weighing device is suitable for weighing the weight of the material contained in the weighing container, and putting the material into the mixing device with a preset weight.

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