阅读说明：本技术 一种浓缩果汁生产线及其工艺流程 (Concentrated fruit juice production line and process flow thereof ) 是由 单庆玉 夏建军 李功 于 2021-01-30 设计创作，主要内容包括：本申请涉及一种浓缩果汁生产线及其工艺流程,其包括酶解罐,酶解罐包括罐体和底板,罐体上端部固定连接有支撑架,支撑架固设有第一电机,第一电机固定有搅拌轴,搅拌轴滑动连接有吸附盘,吸附盘沿周向可拆卸连接有若干套筒,套筒开设有若干通孔,套筒内设有活性炭颗粒,将果汁和果肉浆料的混合物加入到罐体内,再向罐体内加入果胶酶和淀粉酶,酶解后的果肉浆料沉淀到罐体下端部,果汁位于罐体上端部；第一电机带动搅拌轴转动,使得吸附盘随搅拌轴一起转动,果汁可穿过通孔与活性炭颗粒接触,活性炭对果汁中的不溶性大分子物质进行吸附,减少果汁中不溶性大分子物质的含量,有利于提高酶解后果汁的纯度。(The application relates to a concentrated fruit juice production line and a process flow thereof, which comprises an enzymolysis tank, wherein the enzymolysis tank comprises a tank body and a bottom plate, the upper end part of the tank body is fixedly connected with a support frame, the support frame is fixedly provided with a first motor, the first motor is fixedly provided with a stirring shaft, the stirring shaft is in sliding connection with an adsorption disc, the adsorption disc is detachably connected with a plurality of sleeves along the circumferential direction, the sleeves are provided with a plurality of through holes, activated carbon particles are arranged in the sleeves, a mixture of fruit juice and pulp slurry is added into the tank body, pectinase and amylase are then added into the tank body, the pulp slurry after enzymolysis is precipitated at the lower end part of the tank; first motor drives the (mixing) shaft and rotates for the adsorption disc rotates along with the (mixing) shaft, and fruit juice can pass through-hole and active carbon particle contact, and the insoluble macromolecular substance of active carbon in to fruit juice adsorbs, reduces the content of insoluble macromolecular substance in the fruit juice, is favorable to improving the purity of enzymolysis back fruit juice.)

1. The utility model provides a concentrated fruit juice production line, includes enzymolysis tank (1), its characterized in that: the enzymolysis tank (1) comprises a tank body (2) and a bottom plate (3), a liquid discharge pipe (4) is fixedly connected in the middle of the tank body (2), a material discharge pipe (5) is fixedly connected at the lower end of the bottom plate (3), a support frame (6) is fixedly connected at the upper end of the tank body (2), the support frame (6) comprises a cross beam (7) and vertical plates (8) fixed at two ends of the cross beam (7), the vertical plates (8) are respectively and fixedly connected with the tank body (2), a first motor (9) is fixedly arranged at the upper end face of the cross beam (7), an output shaft of the first motor (9) penetrates through the cross beam (7) and is fixedly connected with a stirring shaft (10), the lower end of the stirring shaft (10) is rotatably connected with the bottom plate (3), the stirring shaft (10) is slidably connected with an adsorption disc (11), a plurality of material discharge holes (12) are formed in the adsorption disc (11), a plurality of placing holes, a plurality of through-holes (14) have been seted up in sleeve (13), be equipped with the active carbon granule in sleeve (13), axial fixedly connected with spacing (15) are followed in (mixing) shaft (10), adsorption disc (11) middle part is seted up with spacing (15) matched with perpendicular groove (16), and (mixing) shaft (10) fixedly connected with keeps off ring (17), and adsorption disc (11) lower terminal surface is inconsistent with fender ring (17), is equipped with removal subassembly (18) that drive adsorption disc (11) shifted up on crossbeam (7).

2. A juice concentrate production line according to claim 1, wherein: sleeve (13) include barrel (19) and with barrel (19) upper end articulated top cap (20), the one end that pin joint was kept away from in top cap (20) is equipped with locking and detains (21), barrel (19) outer wall is equipped with and locks and detain (21) matched with tapered end (22), barrel (19) outer wall fixedly connected with spacing ring (23), adsorption disc (11) are seted up with spacing ring (23) matched with spacing groove (24), spacing groove (24) groove depth is greater than spacing ring (23) thickness, adsorption disc (11) are seted up bar groove (25) that are linked together with spacing groove (24), the one end that bar groove (25) deviate from spacing groove (24) has set firmly first spring (26), first spring (26) fixedly connected with and bar groove (25) sliding connection's dog (27).

3. A juice concentrate production line according to claim 1, wherein: remove subassembly (18) including first cylinder (28) with crossbeam (7) fixed connection, rotate first connection piece (29) of being connected with first cylinder (28) output, rotate second connection piece (30) of being connected with first cylinder (28) output, second spring (31) have all set firmly between first connection piece (29) and first cylinder (28) output and between second connection piece (30) and first cylinder (28) output, perpendicular hole (32) with first cylinder (28) output looks adaptation are seted up in adsorption disc (11), regulation hole (33) have been seted up near perpendicular hole (32) department in adsorption disc (11).

4. A juice concentrate production line according to claim 1, wherein: the utility model discloses a jar body (2) outer wall sets firmly locating plate (34), locating plate (34) set firmly second motor (35), be equipped with first rotation axis (36) and second rotation axis (37) that two levels set up in jar body (2), second motor (35) output shaft and first rotation axis (36) fixed connection, second motor (35) output shaft fixedly connected with first gear (38), locating plate (34) rotate be connected with first gear (38) engaged with second gear (39), second rotation axis (37) pass jar body (2) and locating plate (34) and second gear (39) fixed connection, first rotation axis (36) and second rotation axis (37) all set firmly a plurality of first stirring vane (40).

5. A juice concentrate production line according to claim 1, wherein: two parallel water service pipes (41) are arranged between the two vertical plates (8), the water service pipes (41) are arranged in a hollow mode, a spray head (42) is fixedly arranged at the lower end of each water service pipe (41), one ends of the water service pipes (41) are fixedly connected with the vertical plates (8) on one side, and the other ends of the water service pipes (41) penetrate through the vertical plates (8) on the other side and are provided with water openings.

6. A juice concentrate production line according to claim 1, wherein: the lower end part of the stirring shaft (10) is fixedly provided with a plurality of second stirring blades (43) and a plurality of crushing disks (44) along the axial direction, and the second stirring blades (43) and the crushing disks (44) are arranged in a staggered mode.

7. A juice concentrate production line according to claim 1, wherein: the utility model discloses a material storage tank, including jar body (2), the tip sets firmly a plurality of landing legs (45) under jar body (2), it is equipped with collecting box (46) to arrange material pipe (5) below, collecting box (46) have set firmly filter plate (47), filtration pore (48) have been seted up in filter plate (47), collecting box (46) upper end has set firmly grudging post (49), second cylinder (50) have set firmly on grudging post (49), second cylinder (50) output end fixedly connected with clamp plate (51), the tip is connected with honeycomb duct (52) under collecting box (46), honeycomb duct (52) and jar body (2) upper end communicate, honeycomb duct (52) are connected with water pump (53), collecting box (46) upper end.

8. A juice concentrate production line according to claim 1, wherein: the outer wall of the tank body (2) is fixedly connected with a jacket (55), a heating pipe is arranged in the jacket (55), the tank body (2) is provided with a transparent observation window (56) along the height direction, and the observation window (56) is provided with scales (57).

9. A process for concentrating fruit juice for use in a production line for concentrated fruit juice according to any one of claims 1 to 8, characterized in that:

s1; juicing and filtering, namely crushing fruits to form fruit pulp, juicing the fruit pulp by juicing equipment such as a juicer and the like to obtain a mixture of fruit juice and the fruit pulp, and filtering the mixture of the fruit juice and the fruit pulp to obtain the fruit juice preliminarily;

s2; pasteurizing, heating fruit juice to kill part of microorganisms, inactivating enzyme activity to gelatinize starch, sterilizing at 90-105 deg.C for 30 s or more;

s3; enzymolysis, a mixture of fruit juice and pulp slurry is added into a tank body (2), pectinase and amylase are added into the tank body (2), under the action of the amylase and the pectinase, starch and pectin are decomposed into soluble small molecular substances, the pulp slurry after enzymolysis is precipitated at the lower end part of the tank body (2), the fruit juice is positioned at the upper end part of the tank body (2), a stirring shaft (10) is driven by a first motor (9) to rotate, an adsorption disc (11) rotates along with the stirring shaft (10), the fruit juice passes through a through hole (14) to be contacted with active carbon particles, the active carbon adsorbs insoluble large molecular substances in the fruit juice, the content of the insoluble large molecular substances in the fruit juice is reduced, and qualified fruit juice is discharged from a liquid discharge pipe (4);

s4; ultrafiltration circulation, wherein the fruit juice is conveyed into an ultrafiltration circulation tank through a pipeline to be subjected to ultrafiltration pressurization membrane separation treatment, the aperture of an ultrafiltration membrane is smaller than 0.02 micron, micromolecular fruit juice solute passes through a certain ultrafiltration membrane under certain pressure, macromolecular solute cannot permeate through the ultrafiltration membrane, and substances with the molecules larger than 0.02 micron are removed from the fruit juice through ultrafiltration;

s5; adsorbing and decoloring, namely introducing the ultrafiltered fruit juice into a resin tank, and decoloring by resin adsorption;

s6; vacuum steam concentration, preheating fruit juice, heating to above 120 deg.C, maintaining for above 30 s, concentrating in a five-effect evaporator, concentrating the sterilized fruit juice at high temperature in the evaporator to make the soluble solid of the fruit juice meet the specified requirements, and evaporating water in the evaporator;

s7; cooling, putting into a tank, rapidly cooling the filtered concentrated juice to 25-30 deg.C in a cooling device, collecting the cooled juice, stirring with a stirrer, and putting into a storage tank;

s8; filling and warehousing, allowing the filtered fruit juice to flow into a fruit juice barrel through a stainless steel pipe in an aseptic sealed filling cavity (95-100 ℃), sterilizing the cover of the fruit juice barrel by using steam, controlling the weight of the fruit juice by using a mass flow meter, sealing, covering and labeling the product, and storing the product in a clean and sanitary cold storage at the temperature below 4 ℃.

Technical Field

The application relates to the field of fruit juice production and processing, in particular to a concentrated fruit juice production line and a process flow thereof.

Background

The concentrated fruit juice is a beverage with high nutritional value, contains a large amount of dietary fibers, can stimulate gastrointestinal peristalsis after being ingested by a human body, helps digestion, accelerates excretion in the body, shortens the time for harmful substances to stay in the body, finally achieves the purpose of preventing gastrointestinal diseases, and has positive significance for preventing digestive tract cancer. The concentrated fruit juice is prepared by squeezing fruit to obtain raw juice, and vacuum concentrating to remove part of water to obtain beverage with original fruit pulp color, flavor and soluble solid content.

In the related technology, in the production process of concentrated fruit juice, the fruit is generally subjected to juicing filtration, pasteurization, enzymolysis, ultrafiltration circulation, adsorption decoloration, vacuum steam concentration, cooling, canning, filling and warehousing, and the production process flow of the concentrated fruit juice is completed.

The related art can refer to chinese patent with publication number CN204560878U and discloses an enzymolysis tank for producing concentrated juice, which comprises a tank body, a manhole arranged on the side wall of the tank body, a manhole cover arranged on the manhole, and a siphon discharge pipe arranged on the tank body, wherein the siphon discharge pipe comprises a straight pipe parallel to the horizontal plane and an inclined pipe arranged in the tank body and connected with the straight pipe, the port of the inclined pipe corresponds to the center of the end enclosure at the top of the tank body, a rotary seal ring is arranged between the straight pipe and the tank body, and a sight glass and a wrench for controlling the siphon discharge pipe to rotate are arranged on the straight pipe. The utility model discloses a simple structure can adjust the height of the feed inlet of row material pipe of siphon according to actual conditions to with supernatant fluid and solid matter precipitation separation.

To the correlation technique among the above-mentioned, the inventor thinks, the enzymolysis tank that above-mentioned concentrated fruit juice was used adds the auxiliary material in the enzymolysis tank in the course of the work, decomposes pectin and starch, in the clarification fruit juice in the enzymolysis tank upper strata, is doped with the partly insoluble macromolecular substance, and the macromolecular insoluble substance in the fruit juice easily causes the influence to the purity of fruit juice.

Disclosure of Invention

In order to improve the purity of enzymolysis back fruit juice, this application provides a concentrated fruit juice production line and process flow thereof.

First aspect, the present application provides a concentrated fruit juice production line, adopts following technical scheme:

a concentrated fruit juice production line comprises an enzymolysis tank, the enzymolysis tank comprises a tank body and a bottom plate, a liquid discharge pipe is fixedly connected with the middle part of the tank body, a material discharge pipe is fixedly connected with the lower end part of the bottom plate, a support frame is fixedly connected with the upper end part of the tank body and comprises a cross beam and vertical plates fixed at two ends of the cross beam, the vertical plates are respectively and fixedly connected with the tank body, a first motor is fixedly arranged on the upper end surface of the cross beam, an output shaft of the first motor penetrates through the cross beam and is fixedly connected with a stirring shaft, the lower end part of the stirring shaft is rotatably connected with the bottom plate, the stirring shaft is slidably connected with an adsorption disc, the adsorption disc is provided with a plurality of blanking holes along the circumferential direction, the adsorption disc is detachably connected with a plurality of sleeves matched with the placing holes along the circumferential direction, the, the stirring shaft is fixedly connected with a baffle ring, the lower end face of the adsorption disc is abutted to the baffle ring, and a moving assembly for driving the adsorption disc to move upwards is arranged on the cross beam.

By adopting the technical scheme, the mixture of the fruit juice and the pulp slurry is added into the tank body, then pectinase and amylase are added into the tank body, the pulp slurry after enzymolysis is precipitated to the lower end part of the tank body, and the fruit juice is positioned at the upper end part of the tank body; first motor drives the (mixing) shaft and rotates for the adsorption disc rotates along with the (mixing) shaft, and fruit juice can pass through-hole and active carbon particle contact, and the insoluble macromolecular substance of active carbon in to fruit juice adsorbs, reduces the content of insoluble macromolecular substance in the fruit juice, is favorable to improving the purity of enzymolysis back fruit juice.

Optionally, the sleeve includes the barrel and with barrel upper end articulated top cap, the one end that the pin joint was kept away from to the top cap is equipped with the locking and detains, the barrel outer wall is equipped with and locks the tapered end of detaining matched with, barrel outer wall fixedly connected with spacing ring, the adsorption disc is opened and is equipped with the spacing groove with spacing ring matched with, the spacing groove depth is greater than spacing ring thickness, the adsorption disc is opened and is equipped with the bar groove that is linked together with the spacing groove, the one end that the bar groove deviates from the spacing groove has set firmly first spring, first spring fixedly connected with and bar groove sliding connection's dog.

By adopting the technical scheme, the top cover is hinged with the sleeve and matched with the lock head through the locking buckle, so that the activated carbon particles in the sleeve can be conveniently replaced; through setting up spacing ring, spacing groove, first spring and dog, be convenient for install and dismantle the sleeve, and then conveniently change the activated carbon granule in the sleeve, the guarantee is to the adsorption effect of insoluble macromolecular substance.

Optionally, the moving assembly comprises a first cylinder fixedly connected with the cross beam, a first connecting piece rotatably connected with the output end of the first cylinder, and a second connecting piece rotatably connected with the output end of the first cylinder, second springs are fixedly arranged between the first connecting piece and the output end of the first cylinder and between the second connecting piece and the output end of the first cylinder, a vertical hole matched with the output end of the first cylinder is formed in the adsorption disc, and an adjusting hole is formed in the position, close to the vertical hole, of the adsorption disc.

By adopting the technical scheme, when the movable assembly moves the adsorption disc upwards, the output end of the first air cylinder extends to penetrate through the vertical hole, the second spring is compressed, the first connecting piece and the second connecting piece penetrate through the vertical hole and then reset to the initial position, the first air cylinder drives the output end of the first air cylinder to move upwards, and therefore the first air cylinder drives the adsorption disc to move upwards, and the operation is simple and convenient.

Optionally, the outer wall of the tank body is fixedly provided with a positioning plate, the positioning plate is fixedly provided with a second motor, the tank body is internally provided with a first rotating shaft and a second rotating shaft which are horizontally arranged, an output shaft of the second motor is fixedly connected with the first rotating shaft, the output shaft of the second motor is fixedly connected with a first gear, the positioning plate is rotatably connected with a second gear meshed with the first gear, the second rotating shaft penetrates through the tank body and the positioning plate and is fixedly connected with the second gear, and the first rotating shaft and the second rotating shaft are fixedly provided with a plurality of first stirring blades.

Through adopting above-mentioned technical scheme, the second motor drives first rotation axis and rotates, through first gear and second gear engagement, realizes that the second rotation axis rotates, and then so first stirring vane rotates and stirs the internal material of jar for pectase and amylase are comparatively abundant with the contact of pulp thick liquids respectively, are convenient for accelerate reaction rate, improve the juice yield.

Optionally, two parallel water service pipes are arranged between the two vertical plates, the water service pipes are arranged in a hollow mode, a spray head is fixedly arranged at the lower end of each water service pipe, one end of each water service pipe is fixedly connected with the vertical plate on one side, and the other end of each water service pipe penetrates through the vertical plate on the other side and is provided with a water service opening.

Through adopting above-mentioned technical scheme, remove the subassembly and drive the absorption dish and shift up the back, rivers spout from the shower head through the water pipe, and the shower head sprays to the absorption dish and washes, washes the pulp thick liquids that will adsorb the dish adhesion and clears away, makes things convenient for the epilogue to change the sleeve.

Optionally, a plurality of second stirring blades and a plurality of crushing discs are fixedly arranged at the lower end part of the stirring shaft along the axial direction, and the second stirring blades and the crushing discs are arranged in a staggered manner.

Through adopting above-mentioned technical scheme, first motor is when driving the (mixing) shaft and rotate, and the (mixing) shaft drives second stirring vane and crushing disc and rotates, is convenient for further improve the mixed stirring effect between pectinase, amylase and the pulp thick liquids for reaction rate improves juice yield.

Optionally, a plurality of landing legs have set firmly under the jar body, arrange the bin pipe below and be equipped with the collecting box, the collecting box has set firmly the filter plate, the filter hole has been seted up to the filter plate, the collecting box upper end has set firmly the grudging post, has set firmly the second cylinder on the grudging post, second cylinder output end fixedly connected with clamp plate, the end is connected with the honeycomb duct under the collecting box, the honeycomb duct is linked together with jar body upper end, the honeycomb duct is connected with the water pump, the collecting box.

Through adopting above-mentioned technical scheme, pulp thick liquids fall to the filter plate top from row material pipe, and reciprocating motion about the second cylinder drives the clamp plate extrudees pulp thick liquids, and the filter hole downflow is followed to the fruit juice, and it is internal that the honeycomb duct flows through to flow back jar of fruit juice, is favorable to improving the output of fruit juice.

Optionally, the outer wall of the tank body is fixedly connected with a jacket, a heating pipe is arranged in the jacket, the tank body is provided with a transparent observation window along the height direction, and the observation window is provided with scales.

By adopting the technical scheme, the jacket and the heating pipe are convenient for controlling the enzymolysis temperature in the tank body, and the enzymolysis effect is improved; set up observation window and scale, make things convenient for operating personnel to observe the internal fruit juice content of jar and control. .

In a second aspect, the present application provides a process for concentrating fruit juice, which adopts the following technical scheme:

a process for concentrating fruit juice comprising:

s1; juicing and filtering, namely crushing fruits to form fruit pulp, juicing the fruit pulp by juicing equipment such as a juicer and the like to obtain a mixture of fruit juice and the fruit pulp, and filtering the mixture of the fruit juice and the fruit pulp to obtain the fruit juice preliminarily;

s2; pasteurizing, heating fruit juice to kill part of microorganisms, inactivating enzyme activity to gelatinize starch, sterilizing at 90-105 deg.C for 30 s or more;

s3; enzymolysis, namely adding a mixture of fruit juice and pulp slurry into a tank body, adding pectinase and amylase into the tank body, decomposing starch and pectin into soluble micromolecular substances under the action of the amylase and the pectinase, precipitating the pulp slurry after enzymolysis to the lower end part of the tank body, positioning the fruit juice at the upper end part of the tank body, driving a stirring shaft to rotate by a first motor, enabling an adsorption disc to rotate along with the stirring shaft, enabling the fruit juice to pass through a through hole to be in contact with active carbon particles, adsorbing insoluble macromolecular substances in the fruit juice by the active carbon, reducing the content of the insoluble macromolecular substances in the fruit juice, and discharging qualified fruit juice from a liquid discharge pipe;

s4; ultrafiltration circulation, wherein the fruit juice is conveyed into an ultrafiltration circulation tank through a pipeline to be subjected to ultrafiltration pressurization membrane separation treatment, the aperture of an ultrafiltration membrane is smaller than 0.02 micron, micromolecular fruit juice solute passes through a certain ultrafiltration membrane under certain pressure, macromolecular solute cannot permeate through the ultrafiltration membrane, and substances with the molecules larger than 0.02 micron are removed from the fruit juice through ultrafiltration;

s5; adsorbing and decoloring, namely introducing the ultrafiltered fruit juice into a resin tank, and decoloring by resin adsorption;

s6; vacuum steam concentration, preheating fruit juice, heating to above 120 deg.C, maintaining for above 30 s, concentrating in a five-effect evaporator, concentrating the sterilized fruit juice at high temperature in the evaporator to make the soluble solid of the fruit juice meet the specified requirements, and evaporating water in the evaporator;

s7; cooling, putting into a tank, rapidly cooling the filtered concentrated juice to 25-30 deg.C in a cooling device, collecting the cooled juice, stirring with a stirrer, and putting into a storage tank;

s8; filling and warehousing, allowing the filtered fruit juice to flow into a fruit juice barrel through a stainless steel pipe in an aseptic sealed filling cavity (95-100 ℃), sterilizing the cover of the fruit juice barrel by using steam, controlling the weight of the fruit juice by using a mass flow meter, sealing, covering and labeling the product, and storing the product in a clean and sanitary cold storage at the temperature below 4 ℃.

By adopting the technical scheme, the production process flow of the concentrated fruit juice is completed by juicing and filtering, pasteurization, enzymolysis, ultrafiltration circulation, adsorption decoloration, vacuum steam concentration, cooling, canning, filling and warehousing of the fruits.

In summary, the present application includes at least one of the following beneficial technical effects:

1. adding a mixture of fruit juice and pulp slurry into a tank body, adding pectinase and amylase into the tank body, precipitating the pulp slurry after enzymolysis to the lower end part of the tank body, and positioning the fruit juice at the upper end part of the tank body; the first motor drives the stirring shaft to rotate, so that the adsorption disc rotates along with the stirring shaft, the fruit juice can pass through the through hole to be contacted with the activated carbon particles, and the activated carbon adsorbs insoluble macromolecular substances in the fruit juice, so that the content of the insoluble macromolecular substances in the fruit juice is reduced, and the purity of the fruit juice subjected to enzymolysis is improved;

2. the top cover is hinged with the sleeve and is matched with the lock head through the locking buckle, so that the activated carbon particles in the sleeve can be conveniently replaced; the sleeve is convenient to mount and dismount by arranging the limiting ring, the limiting groove, the first spring and the stop block, so that the activated carbon particles in the sleeve are convenient to replace, and the adsorption effect on insoluble macromolecular substances is guaranteed;

3. the production process flow of the concentrated fruit juice is completed by juicing and filtering, pasteurization, enzymolysis, ultrafiltration circulation, adsorption and decoloration, vacuum steam concentration, cooling, canning and warehousing of the fruits.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a concentrated juice production line according to an embodiment of the present disclosure.

Fig. 2 is a schematic view of the internal structure of the can body.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is intended to highlight the structural schematic of the adsorption disk.

Fig. 5 is a schematic view for highlighting the positions of the first rotation axis and the second rotation axis.

Fig. 6 is a schematic view of the structure of the collection tank.

Description of reference numerals: 1. an enzymolysis tank; 2. a tank body; 3. a base plate; 4. a liquid discharge pipe; 5. a discharge pipe; 6. a support frame; 7. a cross beam; 8. a vertical plate; 9. a first motor; 10. a stirring shaft; 11. an adsorption tray; 12. a blanking hole; 13. a sleeve; 14. a through hole; 15. a limiting strip; 16. a vertical slot; 17. a baffle ring; 18. a moving assembly; 19. a barrel; 20. a top cover; 21. a locking buckle; 22. a lock head; 23. a limiting ring; 24. a limiting groove; 25. a strip-shaped groove; 26. a first spring; 27. a stopper; 28. a first cylinder; 29. a first connecting piece; 30. a second connecting sheet; 31. a second spring; 32. vertical holes; 33. an adjustment hole; 34. positioning a plate; 35. a second motor; 36. a first rotating shaft; 37. a second rotation shaft; 38. a first gear; 39. a second gear; 40. a first stirring blade; 41. a water pipe; 42. a shower head; 43. a second stirring blade; 44. a crushing disc; 45. a support leg; 46. a collection box; 47. filtering the plate; 48. filtering holes; 49. erecting a frame; 50. a second cylinder; 51. pressing a plate; 52. a flow guide pipe; 53. a water pump; 54. a discharge gate; 55. a jacket; 56. an observation window; 57. and (4) calibration.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses concentrated fruit juice production line.

Examples

Referring to fig. 1, a concentrated fruit juice production line, including enzymolysis tank 1, 1 upper end opening of enzymolysis tank, enzymolysis tank 1 is including jar body 2 and bottom plate 3, add jar body 2 with the mixture of fruit juice and pulp thick liquids from the opening part in, add pectinase and amylase to jar body 2 in again, fruit juice is under amylase and pectinase effect, decompose starch and pectin into soluble micromolecule material, obtain qualified fruit juice, partly insoluble macromolecular material mixes in fruit juice, the enzymolysis back, fruit juice is located jar body 2 upper end, the pulp thick liquids can deposit jar body 2 lower tip. A liquid discharge pipe 4 is fixedly connected to the middle part of the tank body 2, and the liquid discharge pipe 4 is convenient for discharging qualified fruit juice; the lower end of the bottom plate 3 is fixedly connected with a discharging pipe 5, and the discharging pipe 5 is convenient for discharging the precipitated pulp slurry.

Referring to fig. 1 and 2, jar body 2 upper end fixedly connected with support frame 6, support frame 6 wholly is the portal frame form, support frame 6 includes crossbeam 7 and the riser 8 that is fixed in crossbeam 7 both ends, riser 8 respectively with jar body 2 upper end outer wall fixed connection, crossbeam 7 up end center department is fixed with first motor 9, first motor 9 output shaft passes crossbeam 7 fixedly connected with (mixing) shaft 10, the tip rotates with bottom plate 3 center department under the (mixing) shaft 10 to be connected, after the enzymolysis, the fruit juice is located jar body 2 upper end, start first motor 9, first motor 9 drives (mixing) shaft 10 and rotates.

Referring to fig. 2 and 3, the stirring shaft 10 is fixedly connected with a limiting strip 15 along the axial direction, a vertical groove 16 matched with the limiting strip 15 is formed in the middle of the adsorption disc 11, and the limiting strip 15 on the stirring shaft 10 is convenient for limiting the adsorption disc 11, so that the adsorption disc 11 rotates along with the stirring shaft 10. The stirring shaft 10 is connected with an adsorption disc 11 in an axial sliding manner, the adsorption disc 11 is provided with a plurality of blanking holes 12, and the blanking holes 12 on the adsorption disc 11 are convenient for the fruit juice and the pulp slurry to pass through; stirring shaft 10 fixedly connected with keeps off ring 17, and the terminal surface is inconsistent with keeping off ring 17 under the adsorption disc 11, keeps off ring 17 and is convenient for carry on spacingly to adsorption disc 11, prevents that adsorption disc 11 from falling jar body 2 (refer to figure 1) lower tip and sedimentary pulp thick liquids contact for adsorption disc 11 can be arranged in jar body 2 (refer to figure 1) the fruit juice of upper end, and then conveniently adsorbs the insoluble macromolecular substance in the fruit juice.

Refer to fig. 2 and fig. 3, a plurality of holes of placing have been seted up along circumference to adsorption disc 11, adsorption disc 11 can dismantle along circumference and be connected with a plurality of and place the sleeve 13 of looks adaptation, a plurality of through-holes 14 have been seted up to sleeve 13, be equipped with the activated carbon granule in the sleeve 13, first motor 9 drives adsorption disc 11 and rotates the in-process, adsorption disc 11 is located fruit juice, fruit juice can pass the contact of the activated carbon granule in through-hole 14 and the sleeve 13 of sleeve 13, sleeve 13 rotates the in-process along with adsorption disc 11, the insoluble macromolecular substance in the activated carbon is to the fruit juice adsorbs, reduce the content of insoluble macromolecular substance in the fruit juice, be favorable to improving the purity of enzymolysis back fruit juice.

Referring to fig. 2 and 3, the sleeve 13 includes a cylinder 19 and a top cover 20 hinged to the upper end of the cylinder 19, a locking buckle 21 is disposed at one end of the top cover 20 away from the hinged point, a locking head 22 matched with the locking buckle 21 is disposed on the outer wall of the cylinder 19, the top cover 20 is hinged to the sleeve 13 and matched with the locking head 22 through the locking buckle 21, so that activated carbon particles in the sleeve 13 can be replaced conveniently, the top cover 20 is separated from the locking head 22 through the locking buckle 21, the top cover 20 is opened, the activated carbon particles in the sleeve 13 are taken out, new activated carbon particles are placed in the sleeve 13, and the locking head 22 is buckled with the locking buckle 21, so that the activated carbon particles are placed in the sleeve 13, and the taking and the placing of the activated carbon particles; the locking buckle 21 and the lock head 22 are arranged, so that the active carbon particles are conveniently taken and placed, and the active carbon particles are prevented from flying out of the sleeve 13 in the process that the sleeve 13 rotates along with the adsorption disc 11;

referring to fig. 3 and 4, 19 outer wall fixedly connected with spacing rings 23 of barrel, adsorption disc 11 is seted up with spacing rings 23 matched with spacing groove 24, spacing groove 24 groove depth is greater than spacing ring 23 thickness, adsorption disc 11 is seted up the bar groove 25 that is linked together with spacing groove 24, bar groove 25 groove depth is less than spacing groove 24 groove depth, the one end that bar groove 25 deviates from spacing groove 24 has set firmly first spring 26, first spring 26 is close to the one end fixedly connected with and bar groove 25 sliding connection's dog 27 of spacing groove 24. First spring 26 is under natural state, dog 27 is located spacing groove 24, when fixing sleeve 13 on adsorption disc 11, slide dog 27 earlier, slide dog 27 to keeping away from spacing groove 24 one end, make first spring 26 compress, insert spacing groove 24 with sleeve 13's spacing ring 23, loosen dog 27 again, under first spring 26's spring action, dog 27 slides to spacing groove 24 in, dog 27 blocks spacing ring 23, prevent that adsorption disc 11 from moving in the vertical direction at rotation in-process sleeve 13, be convenient for ensure the adsorption effect of active carbon granule to insoluble macromolecular substance in the fruit juice.

Referring to fig. 4, the stopper 27 is fixedly connected with protruding strips along both sides of the length direction, the two sides of the adsorption disk 11 close to the strip-shaped groove 25 are provided with transverse grooves matched with the protruding strips, and the protruding strips are located in the transverse grooves and slidably connected with the transverse grooves. When pulling down sleeve 13 from adsorption disc 11, operating personnel slip dog 27 slides dog 27 to keeping away from spacing groove 24 one end for first spring 26 compresses, can take off sleeve 13 from adsorption disc 11, and then conveniently changes the active carbon granule.

Referring to fig. 1 and 3, activated carbon particles in the sleeve 13 are used for a long time, the surface of the activated carbon can adsorb more insoluble macromolecular substances, so that the adsorption effect on the insoluble macromolecular substances is weakened, the moving component 18 for driving the adsorption disc 11 to move upwards is arranged on the cross beam 7, the moving component 18 can drive the adsorption disc 11 to move upwards, and further the sleeve 13 on the adsorption disc 11 is replaced, the moving component 18 comprises a first cylinder 28 fixedly connected with the cross beam 7, a first connecting sheet 29 rotationally connected with the output end of the first cylinder 28, a second connecting sheet 30 rotationally connected with the output end of the first cylinder 28, and second springs 31 are fixedly arranged between the output ends of the first connecting sheet 29 and the first cylinder 28 and between the output ends of the second connecting sheet 30 and the first cylinder 28.

Referring to fig. 1 and 3, when the second spring 31 is in a natural state, a certain angle exists between the first connecting sheet 29 and the second connecting sheet 30 and the output end of the first cylinder 28, when the moving assembly 18 moves the adsorption disc 11 upwards, the output end of the first cylinder 28 extends, the adsorption disc 11 is provided with a vertical hole 32 matched with the output end of the first cylinder 28, when the output end of the first cylinder 28 passes through the vertical hole 32, the second spring 31 is compressed, the first connecting sheet 29 and the second connecting sheet 30 are abutted against the inner wall of the vertical hole 32 to move downwards, when the first connecting sheet 29 and the second connecting sheet 30 pass through the vertical hole 32, the second spring 31 resets the first connecting sheet 29 and the second connecting sheet 30 to an initial position under the action of the self-elasticity, the first cylinder 28 drives the output end of the first cylinder 28 to move upwards, at this time, the first connecting sheet 29 and the second connecting sheet 30 are abutted against the lower end surface of the adsorption disc 11, so as to realize that the first cylinder 28 drives the adsorption disc 11, the operation is simple and convenient.

Referring to fig. 3 and 4, the adsorption disc 11 has been seted up by adjusting hole 33 near vertical hole 32, and operating personnel is after changing the completion to the active carbon granule, and manual the passing adjusting hole 33 is folded first connection piece 29 and second connection piece 30 to first cylinder 28 output end for first cylinder 28 output end shifts up, realizes the separation of first cylinder 28 output and adsorption disc 11, and the first motor 9 of the epilogue of being convenient for drives adsorption disc 11 and rotates.

Referring to fig. 1, after the moving assembly 18 drives the adsorption disc 11 to move upward, more pulp slurry impurities may adhere to the surface of the adsorption disc 11, which is inconvenient for an operator to pick and place the sleeve 13; be equipped with the water service pipe 41 of two parallels between two risers 8, water service pipe 41 cavity sets up and the tip has set firmly shower head 42 down, the one end of water service pipe 41 all with the riser 8 fixed connection of one side, the other end of water service pipe 41 all passes the riser 8 of opposite side and is equipped with the limbers, the limbers and the outside water source of water service pipe 41 are connected, rivers are spout from shower head 42 through water service pipe 41, shower head 42 sprays and washes absorption dish 11, wash the pulp thick liquids of absorption dish 11 adhesion and clear away, be convenient for follow-up change sleeve 13.

Referring to fig. 1 and 2, a plurality of second stirring blades 43 and a plurality of crushing disks 44 are fixedly arranged at the lower end of the stirring shaft 10 along the axial direction, the second stirring blades 43 and the crushing disks 44 are arranged in a staggered manner, and the stirring shaft 10 is driven by the first motor 9 to rotate, so that the second stirring blades 43 and the crushing disks 44 are driven by the stirring shaft 10 to rotate, the mixing and stirring effects among pectinase, amylase and pulp slurry are improved, the reaction rate is increased, and the juice yield is improved.

Referring to fig. 1 and 5, a positioning plate 34 is fixedly arranged on the outer wall of the tank body 2, a second motor 35 is fixedly arranged on the positioning plate 34, two first rotating shafts 36 and two second rotating shafts 37 which are horizontally arranged are arranged in the tank body 2, the first rotating shafts 36 and the second rotating shafts 37 are arranged in parallel, the first rotating shafts 36 and the second rotating shafts 37 are respectively positioned on two sides of the stirring shaft 10, an output shaft of the second motor 35 penetrates through the wall thickness of the tank body 2 and is fixedly connected with the first rotating shafts 36, and when pectinase and amylase are added into the tank body 2 and are in contact with pulp slurry, the second motor 35 drives the first rotating shafts 36 to rotate.

Referring to fig. 1 and 5, a first gear 38 is fixedly connected to an output shaft of a second motor 35, the first gear 38 is located on an end surface of a positioning plate 34 far away from a tank body 2, the positioning plate 34 is rotatably connected with a second gear 39 engaged with the first gear 38, a second rotating shaft 37 penetrates through the wall thickness of the tank body 2 and the middle of the positioning plate 34 and the second gear 39 and is fixedly connected with the second rotating shaft 37, the second rotating shaft 37 is respectively rotatably connected with the tank body 2 and the positioning plate 34, the second motor 35 drives the second rotating shaft 37 to rotate by engaging the first gear 38 with the second gear 39, a plurality of first stirring blades 40 are fixedly arranged on the first rotating shaft 36 and the second rotating shaft 37 along the axial direction, and further the first stirring blades 40 on the first rotating shaft 36 and the second rotating shaft 37 rotate simultaneously to stir the material in the tank body 2, so that the pectinase and the amylase are fully contacted with pulp slurry and the mixing effect with the pulp slurry is better, is favorable for accelerating the reaction rate and improving the juice yield. The second motor 35 drives the first rotating shaft 36 and the second rotating shaft 37 to rotate simultaneously to stir the materials in the tank body 2, so that the production resources are saved, and the production efficiency is improved.

Referring to fig. 1, a jacket 55 is fixedly connected to the outer wall of the tank body 2, a heating pipe is arranged in the jacket 55, enzymolysis needs to be carried out at a certain temperature so as to ensure an enzymolysis effect, and the jacket 55 and the heating pipe are arranged so as to control the enzymolysis temperature in the tank body 2 and ensure the enzymolysis effect; transparent observation window 56 has been seted up along the direction of height to jar body 2, and observation window 56 is equipped with scale 57 along the direction of height, and observation window 56 makes things convenient for operating personnel to observe the handle accuse to the fruit juice content in jar body 2 with scale 57. The contrast of fruit juice output under the different temperatures is observed to accessible scale 57 line, obtains the best enzymolysis reaction data, is favorable to guaranteeing the output of fruit juice.

Referring to fig. 1 and 6, when the pulp slurry at the lower end of the tank body 2 is discharged from the discharge pipe 5, a part of qualified juice is mixed in the pulp slurry, and the part of juice cannot be utilized, which causes waste of production resources; the lower end part of the tank body 2 is fixedly provided with a plurality of supporting legs 45, a collecting box 46 is arranged below the discharging pipe 5, the middle part of the collecting box 46 is fixedly provided with a filter plate 47, and when pulp slurry is discharged into the collecting box 46 from the discharging pipe 5, the pulp slurry falls onto the filter plate 47.

Referring to fig. 1 and 6, a vertical frame 49 is fixedly arranged at the upper end of the collection box 46, the vertical frame 49 is in a gantry shape, a second cylinder 50 is fixedly arranged on the vertical frame 49, the output end of the second cylinder 50 penetrates through the vertical frame 49 and is fixedly connected with a pressing plate 51, the second cylinder 50 drives the pressing plate 51 to reciprocate up and down, so that pulp slurry on the filter plate 47 is extruded, filter holes 48 are formed in the filter plate 47, fruit juice flows downwards from the filter holes 48, a guide pipe 52 is connected to the lower end of the collection box 46, one end of the guide pipe 52, which is far away from the collection box 46, is communicated with the upper end of the tank body 2, the guide pipe 52 is connected with a water pump 53, and under the action of the water pump 53, the fruit juice flows. The upper end of the collecting box 46 is hinged with a discharge door 54, and after the pulp slurry is extruded, an operator can open the discharge door 54 to discharge the extruded pulp slurry.

The implementation principle of this application embodiment concentrated fruit juice production line does: add jar body 2 with the mixture of fruit juice and pulp thick liquids from the opening part in, add pectinase and amylase to jar body 2 in again, after the enzymolysis, the fruit juice is located jar body 2 upper end, start first motor 9, first motor 9 drives (mixing) shaft 10 and rotates, (mixing) shaft 10 drives second stirring vane 43 and crushing dish 44 and rotates, improve pectinase, the mixed stirring effect between amylase and the pulp thick liquids, spacing strip 15 on the (mixing) shaft 10 drives adsorption dish 11 and rotates along with (mixing) shaft 10, adsorption dish 11 is located the fruit juice, sleeve 13 rotates the in-process along with adsorption dish 11, the insoluble macromolecular substance of active carbon in to the fruit juice adsorbs, reduce the content of insoluble macromolecular substance in the fruit juice, be favorable to improving the purity of enzymolysis back fruit juice. Remove subassembly 18 and can drive adsorption disc 11 and move up, and then can change the sleeve 13 on the adsorption disc 11, the guarantee is to the normal adsorption effect of insoluble macromolecular substance in the fruit juice.

The embodiment of the application also discloses a process flow of the concentrated fruit juice.

A process for concentrating fruit juice comprising:

s1; juicing and filtering, namely crushing fruits to form fruit pulp, juicing the fruit pulp by juicing equipment such as a juicer and the like to obtain a mixture of fruit juice and the fruit pulp, and filtering the mixture of the fruit juice and the fruit pulp to obtain the fruit juice preliminarily;

s2; pasteurizing, heating fruit juice to kill part of microorganisms, inactivating enzyme activity to gelatinize starch, sterilizing at 90-105 deg.C for 30 s or more;

s3; enzymolysis, namely adding a mixture of fruit juice and pulp slurry into a tank body 2, adding pectinase and amylase into the tank body 2, decomposing starch and pectin into soluble micromolecular substances under the action of the amylase and the pectinase, precipitating the pulp slurry after enzymolysis to the lower end part of the tank body 2, wherein the fruit juice is positioned at the upper end part of the tank body 2, a first motor 9 drives a stirring shaft 10 to rotate, so that an adsorption disc 11 rotates along with the stirring shaft 10, the fruit juice passes through a through hole 14 to be in contact with activated carbon particles, the activated carbon adsorbs insoluble macromolecular substances in the fruit juice, the content of the insoluble macromolecular substances in the fruit juice is reduced, and qualified fruit juice is discharged from a liquid discharge pipe 4;

s4; ultrafiltration circulation, wherein the fruit juice is conveyed into an ultrafiltration circulation tank through a pipeline to be subjected to ultrafiltration pressurization membrane separation treatment, the aperture of an ultrafiltration membrane is smaller than 0.02 micron, micromolecular fruit juice solute passes through a certain ultrafiltration membrane under certain pressure, macromolecular solute cannot permeate through the ultrafiltration membrane, and substances with the molecules larger than 0.02 micron are removed from the fruit juice through ultrafiltration;

s5; adsorbing and decoloring, namely introducing the ultrafiltered fruit juice into a resin tank, and decoloring by resin adsorption;

s6; vacuum steam concentration, preheating fruit juice, heating to above 120 deg.C, maintaining for above 30 s, concentrating in a five-effect evaporator, concentrating the sterilized fruit juice at high temperature in the evaporator to make the soluble solid of the fruit juice meet the specified requirements, and evaporating water in the evaporator;

s7; cooling, putting into a tank, rapidly cooling the filtered concentrated juice to 25-30 deg.C in a cooling device, collecting the cooled juice, stirring with a stirrer, and putting into a storage tank;

s8; filling and warehousing, allowing the filtered fruit juice to flow into a fruit juice barrel through a stainless steel pipe in an aseptic sealed filling cavity (95-100 ℃), sterilizing the cover of the fruit juice barrel by using steam, controlling the weight of the fruit juice by using a mass flow meter, sealing, covering and labeling the product, and storing the product in a clean and sanitary cold storage at the temperature below 4 ℃.

The production process flow of the concentrated fruit juice is completed by juicing and filtering, pasteurization, enzymolysis, ultrafiltration circulation, adsorption and decoloration, vacuum steam concentration, cooling, canning and warehousing of the fruits.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.