Rebaudioside A recycling and purifying equipment
By setting up a pretreatment chamber and a purification chamber in the stevia glycoside A recovery and purification equipment, the material is pretreated and ground using rotating and fixed grinding rollers. Rubber tapping heads and cleaning plates are used to prevent material adhesion and screen blockage. This solves the waste problem caused by directly adding the material to the centrifugal screen in the existing technology, and achieves full recovery of the effective components and smooth centrifugal purification process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-04-10
AI Technical Summary
Existing centrifugal filtration purification processes involve directly adding materials into the centrifuge cylinder during centrifugation without pretreatment or grinding, resulting in the filtration of large volumes of effective components and causing waste.
A stevioside A recovery and purification device was designed, comprising a pretreatment chamber and a purification chamber. The material is pretreated and ground using rotating and fixed grinding rollers, and a rubber tapping head is used to prevent material adhesion. A cleaning plate is used to clean the inner wall of the centrifuge screen to prevent clogging.
Ensure full recovery of active ingredients, prevent material waste, and guarantee the smooth progress of the centrifugal purification process, avoiding screen blockage.
Smart Images

Figure CN224100181U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to rebaudioside A recovery technical field, specifically relates to a kind of rebaudioside A recovery and purification equipment. BACKGROUND
[0002] Rebaudioside A (RA) is a glycosidic diterpene compound extracted from the plant stevia rebaudiana bertoni of compositae, and belongs to the natural sweetener of the highest sweetness and the closest sucrose taste in stevia glycoside family. Its sweetness is about 300 times that of sucrose, and it has zero heat, high temperature resistance, strong acid and alkali stability and other characteristics, and shows significant advantages in food industry. With the problem of obesity, diabetes and other metabolic diseases caused by excessive intake of sucrose becoming increasingly prominent, RA, as a natural sweetener with functionality and safety, not only becomes an ideal substitute for sucrose, but also provides a healthier alternative to artificial sweeteners. Especially noteworthy is that this substance does not participate in the metabolic process of the human body, and can meet the special dietary needs of diabetic patients, phenylketonuria patients and weight management groups. At present, RA has passed the food safety certification of the U.S. FDA and the European Food Safety Authority (EFSA), and is widely used as a food additive in the European and American markets, and is also included in the food processing system as a high-intensity sweetener in Asia and South America. Its global commercial application is continuously expanding.
[0003] In the rebaudioside A recovery and purification, centrifugal filtration purification process is needed, and in the existing centrifugal filtration purification process, the material is directly added to the inside of the centrifugal screen cylinder during centrifugation, without pretreatment grinding of the material. Therefore, the large volume of material mixed with effective components is directly filtered, which causes waste of effective material. Therefore, we propose a rebaudioside A recovery and purification equipment. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of rebaudioside A recovery and purification equipment to solve the problem of waste of effective material caused by the direct addition of material to the inside of the centrifugal screen cylinder during centrifugation without pretreatment grinding of the material in the existing centrifugal filtration purification process in the background art.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a rebaudioside A recovery and purification equipment, including the purification box, the upper surface of the purification box is installed with the purification box cover through the lock catch, the purification box cover is installed with the pretreatment box, the upper surface of the pretreatment box is detachably installed with the pretreatment box cover through the bolt, the pretreatment box cover is installed with the inlet pipe and motor no.
[0006] Adopt above mentioned scheme, through setting up the pretreatment box cooperation purification box uses, before carrying out centrifugal filtration, utilize the rotating grinding roller and fixed grinding roller to grind the large volume material, make the effective component in the material be ground fully, further guarantee the sufficient recovery of effective component when centrifugal filtration purification, and utilize the setting rubber knock head cooperation use, can knock the pretreatment box, can prevent the waste of material caused by material adhesion, through setting up the rotating shaft cooperation cleaning plate uses, carry out centrifugal filtration purification process to the inner wall of centrifugal screen cylinder, can prevent the phenomenon that the screen cylinder is blocked, guarantee the smooth and orderly progress in centrifugal purification filtration process.
[0007] In the above scheme, it should be noted that the motor one, motor two and motor three are electrically connected with the external power supply.
[0008] As a preferred embodiment, the outer surface of the centrifugal screen cylinder is rotatably installed with a rotating ring, a plurality of fixed blocks one are fixedly installed on the outer surface of the rotating ring, a through hole is formed in the fixed block one, a plurality of fixed blocks two are fixedly installed on the inner wall of the purification box, a fixed rod is fixedly installed on the fixed block two, the fixed rod passes through the through hole, the fixed block one is arranged on the surface of the fixed block two, and the surface of the fixed rod is provided with threads and is screwed with a nut.
[0009] Adopt above mentioned scheme, utilize fixed block one cooperation fixed block two and fixed rod and nut use, and utilize rotating ring rotation setting in the outer surface of centrifugal screen cylinder, further can guarantee the stable rotation centrifugation of centrifugal screen cylinder under the premise of stable installation of centrifugal screen cylinder, and the dismounting operation of centrifugal screen cylinder is convenient.
[0010] As a preferred implementation, the output shaft end of the second motor is fixedly installed with a mounting plate, the surface of the mounting plate is fixedly installed with a plurality of clamping plates, the bottom end surface of the centrifugal screen cylinder is provided with a plurality of clamping grooves, and the clamping plates are used in cooperation with the clamping grooves.
[0011] By the above scheme, the second motor drives the centrifugal screen cylinder to rotate stably during work.
[0012] As a preferred implementation, the surface of the pretreatment box is fixedly installed with a plurality of support plates, a plurality of sliding rods are slidingly installed on the support plates, rubber knocking heads and connecting plates are fixedly installed at both ends of the sliding rods respectively, a third motor is fixedly installed on the side surface of the support plate, a disc is fixedly installed on the outer surface of the output shaft of the third motor and is eccentrically arranged, the disc is arranged in abutment with the connecting plate, and springs are fixedly installed between the rubber knocking heads and the support plates.
[0013] By the above scheme, the third motor drives the eccentrically arranged disc to rotate, thereby driving the connecting plate to reciprocate, and then driving the rubber knocking heads to reciprocate continuously through the sliding rods, so as to knock the pretreatment box, thereby avoiding the adhesion of materials, and the elastic force of the springs can ensure that the connecting plate is always used in abutment with the disc.
[0014] As a preferred implementation, the inner wall of the cleaning plate is fixedly installed with a plurality of fixed strips, mounting sleeves are fixedly installed at the end of the fixed strips and the lower surface of the inner wall of the cleaning plate, the mounting sleeves are sleeved on the outer surface of the rotating shaft, a groove is formed in the bottom end of the rotating shaft, a spring is fixedly installed on the inner wall of the groove, a telescopic rod is fixedly installed at the end of the spring, and a positioning rod is fixedly installed on the telescopic rod.
[0015] By the above scheme, the mounting sleeve is sleeved on the surface of the rotating shaft, and the positioning rod is clamped into the positioning hole by the elastic force of the spring, so as to realize the locking of the mounting sleeve and the cleaning plate, which is simple in structure and convenient for installation and disassembly of the cleaning plate, and the setting of the telescopic rod can avoid the shaking of the positioning rod and improve the stability of installation.
[0016] As a preferred implementation, the outer surface of the rotating shaft is fixedly installed with a plurality of limiting strips, and the inner wall of the mounting sleeve is provided with a plurality of limiting grooves.
[0017] By the above scheme, the limiting strips are inserted into the limiting grooves, which plays a supporting and guiding effect when the mounting sleeve is inserted, thereby improving the convenience of insertion operation.
[0018] As a preferred embodiment, the distance between the outer wall of the rotating grinding roller and the inner wall of the fixed grinding roller decreases from top to bottom.
[0019] With the above scheme, the setting can improve the particle size of the ground material as much as possible.
[0020] Compared with the prior art, the utility model has the advantages of:
[0021] The reclamation and purification equipment of rebaudioside A is provided with a pretreatment box and a purification box, and before centrifugal filtration, the large-volume material is ground by the rotating grinding roller and the fixed grinding roller, so that the effective components in the material are fully ground out, thereby ensuring the full reclamation of the effective components during subsequent centrifugal filtration and purification, and the rubber knocking head is used for knocking the pretreatment box, so that the waste caused by the adhesion of the material is prevented.
[0022] The reclamation and purification equipment of rebaudioside A is provided with a rotating shaft and a cleaning plate, which is used for cleaning the inner wall of the centrifugal screen cylinder during the centrifugal filtration and purification process, so that the phenomenon of screen cylinder blockage is prevented, and the smooth and orderly centrifugal filtration process is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The figure is a structural schematic diagram of the utility model;
[0024] Figure 2 The figure is a structural schematic diagram of the utility model section;
[0025] Figure 3 The figure is a structural schematic diagram of the purification box section and the centrifugal screen cylinder explosion of the utility model;
[0026] Figure 4 The figure is a structural schematic diagram of the purification box cover, the pretreatment box and the pretreatment box cover section of the utility model;
[0027] Figure 5 The figure is a structural schematic diagram of the utility model support plate;
[0028] Figure 6 The figure is a structural schematic diagram of the rotating shaft and the cleaning plate explosion of the utility model;
[0029] Figure 7 The figure is a structural schematic diagram of the rotating shaft section of the utility model.
[0030] In the figure: 1, purification box; 2, purification box cover; 3, pretreatment box; 4, pretreatment box cover; 5, feeding pipe; 6, discharge pipe; 7, motor one; 8, rotating shaft; 9, rotating grinding roller; 10, fixed grinding roller; 11, centrifugal screen cylinder; 12, motor two; 13, support plate; 14, cleaning plate; 15, rotating ring; 16, fixed block one; 17, fixed block two; 18, fixed rod; 19, nut; 20, mounting plate; 21, clamping plate; 22, sliding rod; 23, rubber knocking head; 24, connecting plate; 25, motor three; 26, disc; 27, spring one; 28, limiting strip; 29, fixed strip; 30, mounting sleeve; 31, telescopic rod; 32, spring two; 33, positioning rod. DETAILED DESCRIPTION
[0031] Please refer to Figures 1-7 The utility model provides a kind of rebaudioside A recovery purification equipment, including purification box 1, the upper surface of purification box 1 is detachably installed with purification box cover 2 by lock catch, pretreatment box 3 is installed on purification box cover 2, the upper surface of pretreatment box 3 is detachably installed with pretreatment box cover 4 by bolt, feeding pipe 5 and motor one 7 are installed on pretreatment box cover 4, discharge pipe 6 and motor two 12 are installed on the lower surface of purification box 1, the output shaft end of motor one 7 is fixedly installed with rotating shaft 8 one, rotating shaft 8 one extends to the inside of purification box 1 by pretreatment box 3, rotating grinding roller 9 is fixedly installed on the outer surface of rotating shaft 8 one, fixed grinding roller 10 is fixedly installed on the inner wall of pretreatment box 3, rotating grinding roller 9 is located inside fixed grinding roller 10, centrifugal screen cylinder 11 is movably arranged in the inside of purification box 1, the bottom end of rotating shaft 8 extends to the inside of centrifugal screen cylinder 11 and is detachably installed with cleaning plate 14, the output shaft end of motor two 12 extends to the inside of purification box 1 and is used in cooperation with centrifugal screen cylinder 11.
[0032] By setting pretreatment box 3 cooperation purification box 1 uses, before carrying out centrifugal filtration, utilize rotating grinding roller 9 and fixed grinding roller 10 to carry out grinding to bulky material, so that the effective component in material is fully ground out, to guarantee the sufficient recovery of effective component when subsequent centrifugal filtration purification, and utilize the rubber knocking head 23 cooperation set up and use, can be knocked to pretreatment box 3, can prevent material adhesion and cause material waste, by setting rotating shaft 8 cooperation cleaning plate 14 uses, during centrifugal filtration purification process, the inside wall of centrifugal screen cylinder 11 is cleaned, can prevent the phenomenon that screen cylinder is blocked, guarantee the smooth and orderly progress during centrifugal purification filtration.
[0033] The outer surface of the centrifugal screen cylinder 11 is rotatably provided with a rotating ring 15, the outer surface of the rotating ring 15 is fixedly provided with a plurality of fixed blocks 16, the fixed blocks 16 are provided with through holes, the inner wall of the purification box body 1 is fixedly provided with a plurality of fixed blocks 17, the fixed blocks 17 are fixedly provided with fixed rods 18, the fixed rods 18 pass through the through holes, the fixed blocks 16 are arranged on the surface of the fixed blocks 17, the surface of the fixed rods 18 is provided with threads and is screwed with nuts 19, the fixed blocks 16 cooperate with the fixed blocks 17 and the fixed rods 18 and the nuts 19, and the rotating ring 15 is rotatably arranged on the outer surface of the centrifugal screen cylinder 11, so that the centrifugal screen cylinder 11 can be stably rotated and centrifuged under the premise of stable installation, and the centrifugal screen cylinder 11 can be easily disassembled.
[0034] The output shaft end of the motor two 12 is fixedly provided with a mounting plate 20, the surface of the mounting plate 20 is fixedly provided with a plurality of clamping plates 21, the bottom end surface of the centrifugal screen cylinder 11 is provided with a plurality of clamping grooves, the clamping plates 21 are used in cooperation with the clamping grooves, the mounting plate 20 is used in cooperation with the clamping plates 21 to be clamped into the clamping grooves, so that the motor two 12 can drive the centrifugal screen cylinder 11 to stably rotate and centrifuge when working.
[0035] The surface of the pretreatment box body 3 is fixedly provided with a plurality of supporting plates 13, the supporting plates 13 are slidably provided with a plurality of sliding rods 22, the two ends of the sliding rods 22 are fixedly provided with rubber knocking heads 23 and connecting plates 24 respectively, the side surface of the supporting plate 13 is fixedly provided with a motor three 25, the output shaft outer surface of the motor three 25 is fixedly provided with a disc 26 which is eccentrically arranged, the disc 26 is arranged in close contact with the connecting plate 24, the rubber knocking head 23 and the supporting plate 13 are fixedly provided with a spring one 27, the motor three 25 drives the eccentrically arranged disc 26 to rotate, thereby driving the connecting plate 24 to reciprocate, and then driving the rubber knocking head 23 to continuously reciprocate through the sliding rod 22, so as to knock the pretreatment box body 3, thereby avoiding the phenomenon of material adhesion, and the elastic force of the spring one 27 can ensure that the connecting plate 24 is always used in close contact with the disc 26.
[0036] The inner wall of the cleaning plate 14 is fixedly provided with a plurality of fixed strips 29, the end of the fixed strip 29 and the lower surface of the inner wall of the cleaning plate 14 are fixedly provided with mounting sleeves 30, the mounting sleeve 30 is sleeved on the outer surface of the rotating shaft 8, the bottom end of the rotating shaft 8 is provided with a groove, the inner wall of the groove is fixedly provided with a spring 32 and a telescopic rod 31, the end of the telescopic rod 31 is fixedly provided with a positioning rod 33, the mounting sleeve 30 at the lower position is provided with a positioning hole for the positioning rod 33 to insert, the mounting sleeve 30 is sleeved on the surface of the rotating shaft 8, and the positioning rod 33 is clamped into the positioning hole by the elastic force of the spring 32, so that the locking of the mounting sleeve 30 is realized, and then the locking of the cleaning plate 14 is realized, the structure is simple, the mounting and dismounting of the cleaning plate 14 are convenient, the setting of the telescopic rod 31 can avoid the shaking of the positioning rod 33, and the mounting stability is high.
[0037] The outer surface of the rotating shaft 8 is fixedly provided with a plurality of limiting strips 28, the inner wall of the mounting sleeve 30 is provided with a plurality of limiting grooves, the limiting strip 28 is used in cooperation with the limiting groove, the limiting strip 28 is inserted into the limiting groove, and a supporting and guiding effect is achieved when the mounting sleeve 30 is inserted and mounted, and the convenience of the insertion and mounting operation is improved.
[0038] The distance between the outer wall of the rotating grinding roller 9 and the inner wall of the fixed grinding roller 10 decreases from top to bottom, which can improve the particle size of the grinding material as much as possible.
[0039] In use, the material containing rebaudioside A is injected into the pretreatment box 3 through the feeding pipe 5, the motors one 7, two 12 and three 25 are started, the motor one 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the rotating grinding roller 9 to rotate, the material enters between the fixed grinding roller 10 and the rotating grinding roller 9, the rotation of the rotating grinding roller 9 realizes the grinding and crushing of the material, and the effective component is ground out, the eccentrically arranged disc 26 is driven to rotate by the motor three 25, and then the connecting plate 24 reciprocates, and then the rubber knocking head 23 is driven to continuously reciprocate by the sliding rod 22, so that the pretreatment box 3 is knocked, and then the phenomenon of material adhesion can be avoided, the ground material enters into the centrifugal screen cylinder 11 in the purification box 1, the motor two 12 drives the centrifugal screen cylinder 11 to rotate through the mounting plate 20 and the clamping plate 21, centrifugal purification filtration is realized, at the same time, the rotating shaft 8 rotates to drive the cleaning plate 14 to rotate, the centrifugal screen cylinder 11 is cleaned by the cleaning plate 14, the material is discharged from the discharge pipe 6, after the operation is completed, the purification box 1 and the purification box cover 2 are separated, the purification box cover 2 is pulled upward, then the nut 19 is unscrewed to unlock the centrifugal screen cylinder 11, the centrifugal screen cylinder 11 is pulled out upward, the positioning rod 33 is pressed to make the positioning rod 33 disengage from the positioning hole, and then the cleaning plate 14 is unlocked and pulled down.
Claims
1. A reclamation and purification apparatus of steviol glycosides A, characterized by: Including the purification box (1), the upper surface of the purification box (1) is detachably installed with the purification box cover (2) through the lock buckle, the upper surface of the purification box cover (2) is detachably installed with the pretreatment box (3) through the bolt, the upper surface of the pretreatment box (3) is detachably installed with the pretreatment box cover (4), the pretreatment box cover (4) is installed with the feeding pipe (5) and the motor (7), the lower surface of the purification box (1) is installed with the discharging pipe (6) and the motor (12), the output shaft end of the motor (7) is fixedly installed with the rotating shaft (8) one, the rotating shaft (8) one extends to the inside of the purification box (1) through the pretreatment box (3), the outer surface of the rotating shaft (8) one is fixedly installed with the rotating grinding roller (9), the inner wall of the pretreatment box (3) is fixedly installed with the fixed grinding roller (10), the rotating grinding roller (9) is located in the fixed grinding roller (10), the inside of the purification box (1) is movably provided with the centrifugal screen cylinder (11), the bottom end of the rotating shaft (8) extends to the inside of the centrifugal screen cylinder (11) and is detachably installed with the cleaning plate (14), the output shaft end of the motor (12) extends to the inside of the purification box (1) and is used in cooperation with the centrifugal screen cylinder (11).
2. The reclamation and purification apparatus of rebaudioside A according to claim 1, characterized in that: The outer surface of the centrifugal screen cylinder (11) is rotatably installed with the rotating ring (15), the outer surface of the rotating ring (15) is fixedly installed with a plurality of fixed blocks one (16), the fixed blocks one (16) are provided with through holes, the inner wall of the purification box (1) is fixedly installed with a plurality of fixed blocks two (17), the fixed blocks two (17) are fixedly installed with fixed rods (18), the fixed rods (18) pass through the through holes, the fixed blocks one (16) are arranged on the surface of the fixed blocks two (17), and the surface of the fixed rods (18) is provided with threads and is threadedly installed with nuts (19).
3. The reclamation and purification apparatus of rebaudioside A according to claim 1, characterized in that: The output shaft end of the motor (12) is fixedly installed with the mounting plate (20), the surface of the mounting plate (20) is fixedly installed with a plurality of clamping plates (21), the bottom end surface of the centrifugal screen cylinder (11) is provided with a plurality of clamping grooves, and the clamping plates (21) are used in cooperation with the clamping grooves.
4. The reclamation and purification apparatus of rebaudioside A according to claim 1, characterized in that: A plurality of supporting plates (13) are fixedly installed on the surface of the pretreatment box (3), a plurality of sliding rods (22) are slidably installed on the supporting plates (13), rubber knocking heads (23) and connecting plates (24) are fixedly installed at both ends of the sliding rods (22) respectively, a motor (25) is fixedly installed on the side surface of the supporting plate (13), a disc (26) is fixedly installed on the outer surface of the output shaft of the motor (25), and the disc (26) is eccentrically arranged, the disc (26) and the connecting plate (24) are arranged in close contact, and a spring (27) is fixedly installed between the rubber knocking head (23) and the supporting plate (13).
5. The reclamation and purification apparatus of rebaudioside A according to claim 1, characterized in that: The inner wall of the cleaning plate (14) is fixedly installed with a plurality of fixed bars (29), the end of the fixed bar (29) and the lower surface of the inner wall of the cleaning plate (14) are fixedly installed with a mounting sleeve (30), the mounting sleeve (30) is sleeved on the outer surface of the rotating shaft (8), the bottom end of the rotating shaft (8) is provided with a groove, and the inner wall of the groove is fixedly installed with a spring (32) and a telescopic rod (31), the end of the telescopic rod (31) is fixedly installed with a positioning rod (33), and the mounting sleeve (30) at the lower position is provided with a positioning hole for the positioning rod (33) to insert.
6. The reclamation and purification apparatus of rebaudioside A according to claim 5, characterized in that: The outer surface of the rotating shaft (8) is fixedly installed with a plurality of limiting strips (28), the inner wall of the mounting sleeve (30) is provided with a plurality of limiting grooves, and the limiting strips (28) are used in cooperation with the limiting grooves.
7. The reclamation and purification apparatus of rebaudioside A according to claim 1, characterized in that: The distance between the outer wall of the rotating grinding roller (9) and the inner wall of the fixed grinding roller (10) decreases from top to bottom.