Raw material impurity removal mechanism for stevioside
By using a multi-stage sieving air-separation cleaning component, combined with vibration screening, airflow blowing and spray cleaning, the problem of removing fine impurities from stevia raw materials that is difficult to remove with existing equipment has been solved, achieving efficient and low-cost impurity removal.
Patent Information
- Application Number
- CN202520734294.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-04-10
- Estimated Expiration
- 2035-04-18
AI Technical Summary
Existing vibration cleaning equipment is ineffective at removing fine impurities such as soil particles and small weed fragments from stevia raw materials.
The system employs a multi-stage screening air separation cleaning assembly, including a conveyor belt, support columns, extension plates, a leveling frame, and a sprayer. Combined with a vibrator and a fan, it removes fine impurities through vibration screening, airflow blowing, and spray cleaning.
It effectively removes fine impurities from stevia raw materials, improves the accuracy and consistency of impurity removal, reduces labor intensity, and lowers production costs.
Smart Images

Figure CN224101244U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rebaudioside production equipment technical field especially relates to a rebaudioside raw material impurity removal mechanism. BACKGROUND
[0002] Rebaudioside is a natural sweetener extracted from stevia rebaudiana, which has high sweetness and low heat, and is widely used in food and beverage industries. In the production process of rebaudioside, the raw material stevia rebaudiana often contains various impurities such as soil, stones, weeds and other foreign matter. If these impurities are not removed in time, they will not only affect the quality and taste of rebaudioside, but also damage the subsequent processing equipment, reduce production efficiency and increase production cost.
[0003] The existing rebaudioside raw material impurity removal methods mainly include manual selection and some simple mechanical screening. Manual selection is inefficient, labor-intensive and difficult to ensure the accuracy and consistency of impurity removal. Some simple mechanical screening devices such as vibrating screen can only remove larger particles of impurities, and it is difficult to effectively remove some small impurities such as soil particles and small weed fragments.
[0004] To solve the problem that the existing vibrating impurity removal equipment can only remove larger particles of impurities, and it is difficult to effectively remove some small impurities such as soil particles and small weed fragments, we propose a rebaudioside raw material impurity removal mechanism. SUMMARY
[0005] The utility model aims at providing a rebaudioside raw material impurity removal mechanism, which solves the problem that the existing vibrating impurity removal equipment can only remove larger particles of impurities, and it is difficult to effectively remove some small impurities such as soil particles and small weed fragments.
[0006] To achieve the above purpose, the utility model adopts a rebaudioside raw material impurity removal mechanism, which includes a base and a multi-stage screening air cleaning assembly. The multi-stage screening air cleaning assembly includes a conveyor belt, a support column, an extension plate, a leveling frame and a sprayer. The support column is arranged on one side of the base. The conveyor belt is detachably connected with the support column and located above the support column. The conveyor belt is vertically arranged with the base. The extension plate is detachably connected with the conveyor belt and located on the upper side of the conveyor belt. The leveling frame is detachably connected with the extension plate and located on the upper side of the extension plate. The extension plate is arranged above the conveyor belt. The leveling frame is arranged on the side of the extension plate close to the base. The sprayer is detachably connected with the extension plate and located on the upper side of the extension plate away from the base. The sprayer is arranged on the side of the leveling frame away from the base.
[0007] The multi-stage screening type air cleaning assembly further comprises a support frame, which is fixedly connected with the base and located above the base, and the support frame is vertically arranged with the base.
[0008] The multi-stage screening type air cleaning assembly further comprises a side plate and a fan, the side plate is detachably connected with the support frame and located on one side of the support frame, the side plate is arranged above one side of the base and vertically arranged with the base, and the fan is detachably connected with the side plate and located on one side of the inside of the side plate.
[0009] The multi-stage screening type air cleaning assembly further comprises a vibrating machine and a screening frame, the vibrating machine is detachably connected with the support frame and located above the support frame, the screening frame is slidingly connected with the vibrating machine and located above the vibrating machine, and the screening frame is arranged in parallel with the vibrating machine.
[0010] The multi-stage screening type air cleaning assembly further comprises a guide frame, which is fixedly connected with the base and located at the center above the base, and the guide frame is arranged on one side of the support frame, the output port of the guide frame is arranged on one side of the conveying belt, and the output end of the fan is arranged on one side of the side plate close to the guide frame.
[0011] The utility model discloses a kind of sweetener raw material impurity removal mechanisms, including base and multi-stage screening type air cleaning assembly, the multi-stage screening type air cleaning assembly includes conveying belt, support column, extension plate, flat frame and sprayer, the support column is arranged on one side of the base, the conveying belt is detachably connected with the support column and located above the support column, and the conveying belt is vertically arranged with the base, the extension plate is detachably connected with the conveying belt and located on one side above the conveying belt, the flat frame is detachably connected with the extension plate and located on one side above the extension plate, and the extension plate is arranged above the conveying belt, the flat frame is arranged on one side of the extension plate close to the base, the sprayer is detachably connected with the extension plate and located on one side above the extension plate away from the base, and the sprayer is arranged on one side of the flat frame away from the base, since additional multi-stage screening type air cleaning assembly, thus effectively solve the problem that existing vibration impurity removal equipment can only remove larger particle impurities, for some small impurities, such as soil particles, small grass fragments, etc., difficult to effectively remove. BRIEF DESCRIPTION OF DRAWINGS
[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0013] FIG. 1 is the overall structure schematic view of the present application.
[0014] FIG. 2 is the top view of the present application.
[0015] FIG. 3 is the A-A line structure sectional view of the present application. FIG. 2
[0016] 101-base, 102-support frame, 103-vibration machine, 104-screening frame, 105-guide frame, 106-side plate, 107-fan, 108-conveying belt, 109-support column, 110-extension plate, 111-leveling frame, 112-sprayer. DETAILED DESCRIPTION
[0017] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0018] Please refer to FIG. 1~FIG. 3 , FIG. 1 is the overall structure schematic view of the present application, FIG. 2 is the top view of the present application, FIG. 3 is the A-A line structure sectional view of the present application. FIG. 2
[0019] The utility model provides a kind of raw material of steviol glycoside is impurity removal mechanism, including base 101 and multistage screening type winnowing cleaning assembly, the multistage screening type winnowing cleaning assembly includes conveying belt 108, support column 109, extension plate 110, flat frame 111, sprayer 112, support frame 102, side plate 106, fan 107, vibrating machine 103, screening frame 104 and guide frame 105, the foregoing scheme has solved that the existing vibration impurity removal equipment can only remove larger particle impurities, for some small impurities, such as soil particles, small weed fragments etc., it is difficult to effectively remove problem, it can be understood that, the foregoing scheme can be used, and the steviol glycoside to be impurity removal is poured into the screening frame 104, and the vibrating machine 103 is started, the vibrating machine 103 works according to preset vibration frequency and amplitude, drives the screening frame 104 vibration, the raw material in the screening frame 104 is under the action of vibration, larger particle impurities, such as stone, larger weed stem etc., are screened to the screening frame 104 below, fall into specially arranged impurity collection container, and the raw material after preliminary screening enters the guide frame 105 from the discharge port of the screening frame 104, and the fan 107 is started, and the fan 107 generates strong airflow, and the raw material output from the guide frame 105 is under the action of airflow, and lighter impurities, such as dust, small weed fragments etc., are blown to the side of the side plate 106, and are discharged and collected by the impurity collection port arranged on the side plate 106, and heavier steviol glycoside is under the combined action of gravity and airflow and falls to the conveying belt 108, the conveying belt 108 is started, and the raw material after winnowing is transmitted forward, when the raw material passes below the flat frame 111, the flat frame 111 combs and levels the raw material, so that the raw material is more evenly distributed, then, the raw material reaches below the sprayer 112, the sprayer 112 is opened, and sprays cleaning water to the raw material, the water pressure and angle of the sprayer 112 are reasonably designed, can wash the raw material in all directions, remove small impurities and dust remaining on the surface of raw material, and the sewage after washing is collected by the drainage groove arranged below the conveying belt 108, and is uniformly discharged into sewage treatment system for treatment and recycling, thereby effectively solve the problem that the existing vibration impurity removal equipment can only remove larger particle impurities, for some small impurities, such as soil particles, small weed fragments etc., it is difficult to effectively remove.
[0020] For this specific embodiment, the support column 109 is arranged on one side of the base 101, the conveying belt 108 is detachably connected with the support column 109 and located above the support column 109, and the conveying belt 108 is arranged vertically with the base 101, the extension plate 110 is detachably connected with the conveying belt 108 and located on the upper side of the conveying belt 108, the flattening frame 111 is detachably connected with the extension plate 110 and located on the upper side of the extension plate 110, and the extension plate 110 is arranged above the conveying belt 108, the flattening frame 111 is arranged on the side of the extension plate 110 close to the base 101, the sprayer 112 is detachably connected with the extension plate 110 and located on the upper side of the extension plate 110 away from the base 101, and the sprayer 112 is arranged on the side of the flattening frame 111 away from the base 101, so that the base 101 is stably placed at a predetermined position in a stevia sugar production workshop, ensuring that it is stable and does not shake, the support column 109 is installed on one side of the base 101 and fixedly connected with the base 101 through foundation bolts, ensuring the stability of the support, the conveying belt 108 is installed above the support column 109 and detachably connected through a matching connector, the position of the conveying belt 108 is adjusted so that it is arranged vertically with the base 101, ensuring smooth material transmission.
[0021] The support frame 102 is fixedly connected with the base 101 and located above the base 101, and the support frame 102 is arranged vertically with the base 101, the support frame 102 is fixedly installed above the base 101, and the support frame 102 is arranged vertically with the base 101, which can be welded or bolted to ensure the connection strength.
[0022] Secondly, the side plate 106 is detachably connected with the support frame 102 and located on one side of the support frame 102, and the side plate 106 is arranged on the upper side of the base 101, the side plate 106 is also arranged vertically with the base 101, the fan 107 is detachably connected with the side plate 106 and located on the inner side of the side plate 106, the side plate 106 is installed on one side of the support frame 102 and detachably connected with the support frame 102 through bolts, and the side plate 106 is also arranged vertically with the base 101, ensuring the verticality of the installation, the fan 107 is installed on the inner side of the side plate 106 and fixed through bolts, ensuring that the fan 107 is firmly installed, and the air outlet direction of the fan 107 faces the guide frame 105.
[0023] Meanwhile, the vibrating machine 103 is detachably connected with the support frame 102 and located above the support frame 102, the screening frame 104 is slidably connected with the vibrating machine 103 and located above the vibrating machine 103, and the screening frame 104 is arranged in parallel with the vibrating machine 103, so that the screening frame 104 can be stably vibrated under the action of the vibrating machine 103.
[0024] In addition, the guide frame 105 is fixedly connected with the base 101 and located at the upper center of the base 101, and the guide frame 105 is arranged on one side of the support frame 102, the output port of the guide frame 105 is arranged on one side of the conveying belt 108, and the output end of the fan 107 is arranged on one side of the side plate 106 close to the guide frame 105.
[0025] In use, the stevia raw material to be removed impurities is poured into the screening frame 104, the vibrating machine 103 is started, and the vibrating machine 103 works at a preset vibration frequency and amplitude to drive the screening frame 104 to vibrate, and the raw material in the screening frame 104 is screened to below the screening frame 104 under the action of vibration, and the larger impurities such as stones and larger weed stems fall into the specially arranged impurity collecting container, and the raw material after preliminary screening enters the guide frame 105 from the discharge port of the screening frame 104, the fan 107 is started, and the fan 107 generates a strong airflow, and the lighter impurities such as dust and small weed fragments are blown to one side of the side plate 106 and discharged through the impurity collecting port arranged on the side plate 106, and the heavier stevia raw material falls onto the conveying belt 108 under the combined action of gravity and airflow, the conveying belt 108 is started to convey the air-cleaned raw material forward, when the raw material passes below the leveling frame 111, the leveling frame 111 combs and levels the raw material to make the raw material more evenly distributed, then the raw material reaches below the sprayer 112, the sprayer 112 is opened to spray clean water on the raw material, the water spraying pressure and angle of the sprayer 112 are reasonably designed to clean the raw material in all directions, remove small impurities and dust remaining on the surface of the raw material, and the sewage after cleaning is collected through the drainage groove arranged below the conveying belt 108 and uniformly discharged into a sewage treatment system for treatment and recycling, thereby effectively solving the problem that the existing vibrating impurity removal equipment can only remove larger impurities and cannot effectively remove some small impurities such as soil particles and small weed fragments.
[0026] The above disclosed is only a preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, the person skilled in the art can understand that the whole or part processes of the above-mentioned embodiment are realized, and the equivalent change made according to the utility model claim still belongs to the range covered by the utility model.
Claims
1. A sweet stevia raw material impurity removal mechanism comprising a base, characterized in that, It also includes a multi-stage screening air cleaning assembly, the multi-stage screening air cleaning assembly includes a conveyor belt, a support column, an extension plate, a leveling frame and a sprayer, the support column is arranged on one side of the base, the conveyor belt is detachably connected with the support column and located above the support column, and the conveyor belt is arranged vertically with the base, the extension plate is detachably connected with the conveyor belt and located on one side above the conveyor belt, the leveling frame is detachably connected with the extension plate and located on one side above the extension plate, and the extension plate is arranged above the conveyor belt, the leveling frame is arranged on one side of the extension plate close to the base, the sprayer is detachably connected with the extension plate and located on one side above the extension plate away from the base, and the sprayer is arranged on one side of the leveling frame away from the base.
2. The sweet stevia raw material impurity removal mechanism of claim 1, wherein, The multi-stage screening air cleaning assembly further comprises a support frame, the support frame is fixedly connected with the base and located above the base, and the support frame is arranged vertically with the base.
3. The sweet stevia raw material impurity removal mechanism of claim 2, wherein, The multi-stage screening air cleaning assembly further comprises a side plate and a fan, the side plate is detachably connected with the support frame and located on one side of the support frame, and the side plate is arranged on one side above the base, and the side plate is also arranged vertically with the base, the fan is detachably connected with the side plate and located on one side inside the side plate.
4. The sweet stevia raw material impurity removal mechanism of claim 3, wherein, The multi-stage screening air cleaning assembly further comprises a vibrating machine and a screening frame, the vibrating machine is detachably connected with the support frame and located above the support frame, the screening frame is slidingly connected with the vibrating machine and located above the vibrating machine, and the screening frame is arranged parallel to the vibrating machine.
5. The sweet stevia raw material impurity removal mechanism of claim 4, wherein, The multi-stage screening air cleaning assembly further comprises a guide frame, the guide frame is fixedly connected with the base and located in the center above the base, and the guide frame is arranged on one side of the support frame, the output port of the guide frame is arranged on one side of the conveyor belt, and the output end of the fan is arranged on one side of the side plate close to the guide frame.
