CN112674281A - Production equipment and production process of sterile bean curd - Google Patents
Production equipment and production process of sterile bean curd Download PDFInfo
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- CN112674281A CN112674281A CN202110064502.0A CN202110064502A CN112674281A CN 112674281 A CN112674281 A CN 112674281A CN 202110064502 A CN202110064502 A CN 202110064502A CN 112674281 A CN112674281 A CN 112674281A
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- 235000013527 bean curd Nutrition 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 244000068988 Glycine max Species 0.000 claims abstract description 54
- 235000010469 Glycine max Nutrition 0.000 claims abstract description 54
- 235000013336 milk Nutrition 0.000 claims abstract description 42
- 239000008267 milk Substances 0.000 claims abstract description 42
- 210000004080 milk Anatomy 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 39
- 230000001954 sterilising effect Effects 0.000 claims abstract description 30
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims abstract description 18
- 244000046052 Phaseolus vulgaris Species 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000012371 Aseptic Filling Methods 0.000 claims abstract description 12
- 238000007872 degassing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 239000000701 coagulant Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 239000002893 slag Substances 0.000 claims description 111
- 230000007246 mechanism Effects 0.000 claims description 79
- 239000007788 liquid Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 25
- 238000000227 grinding Methods 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 17
- 239000002002 slurry Substances 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 150000002333 glycines Chemical class 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 210000001161 mammalian embryo Anatomy 0.000 claims description 3
- 235000020185 raw untreated milk Nutrition 0.000 claims description 3
- 210000000582 semen Anatomy 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000012859 sterile filling Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000010411 cooking Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 34
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 244000144977 poultry Species 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- Centrifugal Separators (AREA)
- Beans For Foods Or Fodder (AREA)
Abstract
The invention discloses a production device and a production process of sterile bean curd, which comprises the following steps of bean collection and storage, soybean treatment, pulping, pulp residue separation: separating the materials discharged from the refiner by a double-path horizontal centrifugal device to obtain soybean milk and bean dregs, and adding hot water, degassing, ultra-high temperature sterilization and cooling into the bean dregs: heating the soybean milk to 65-75 ℃ through a heat exchanger, introducing the soybean milk into a degassing unit for degassing, conveying the degassed soybean milk to an ultra-high temperature sterilization system through a conveying pump, and conveying the soybean milk to an aseptic filling machine system through an aseptic pipeline; aseptic on-line addition of coagulant: adding coagulator on the pipeline of the soybean milk subjected to ultra-high temperature sterilization in front of an aseptic filling machine system on line, carrying out aseptic filling, heating up, cooling down and storing: the filled product enters a sterilization tunnel, the temperature of the sterilization tunnel is controlled to be 90 +/-1 ℃, the product is conveyed for 50-60Min in the sterilization tunnel, then the product enters a cooling tunnel, the temperature of the product is reduced to 25 ℃, and the shelf life can be obviously prolonged through the process.
Description
Technical Field
The invention relates to a production device and a production process of sterile bean curd.
Background
At present, domestic bean curd is not independently packaged or boxed and is stored and transported in a low-temperature cold chain, the quality guarantee period of the product is short, the sale radius is small, and most importantly, the bean curd is easy to deteriorate; in the manufacturing process, the raw materials are ground into pulp and then the solid-liquid separation is carried out on the materials which are finely ground through a horizontal centrifuge, so that the soybean milk and the bean dregs are obtained. Then, adding hot water into the bean dregs again for uniform mixing, and then carrying out solid-liquid separation by a horizontal centrifuge, wherein the soybean milk obtained in the second time is uniformly mixed with the soybean milk obtained in the first time so as to improve the protein rate, and the bean dregs obtained in the second time can be used as poultry feed.
The solid-liquid separation process by adopting the horizontal centrifuge needs two sets of horizontal centrifuges, so that the production cost and the equipment maintenance cost of the bean curd are increased.
Disclosure of Invention
The present invention aims to overcome the above-mentioned disadvantages and to provide a production apparatus for aseptic tofu.
In order to achieve the purpose, the invention adopts the following specific scheme: a production device of aseptic bean curd comprises a grinding mechanism, a two-way horizontal centrifugal device and a soybean milk ultra-high temperature sterilization device; after the soybean raw material is subjected to molting and germ removal through molting and germ removal, grinding the soybean raw material into thick liquid through a grinding mechanism, separating pulp from residue of the thick liquid through a double-path horizontal centrifugal device, and cooking and sterilizing the treated pulp through a soybean milk ultra-high temperature sterilization device;
the double-path horizontal centrifugal equipment comprises a shell, a spiral material pushing mechanism, a rotary drum, an electric driving module and a switching mechanism, wherein the rotary drum driven to rotate by the electric driving module is hermetically and rotatably matched in the shell; the spiral pushing mechanism and the rotary drum have the same rotating direction and have a speed difference; a plurality of slag outlets C and a plurality of slag outlets D are uniformly arranged on the wall of the small-diameter inner cavity of the rotary drum in the circumferential direction, and the slag outlets C and the slag outlets D are axially distributed; the plurality of slag outlets C correspond to the slag outlets A on the shell, and the plurality of slag outlets D correspond to the slag outlets B on the shell; two materials pressed from two ends of the spiral pushing mechanism and entering the inner cavity of the rotary drum belong to two spiral channels on the spiral pushing mechanism, and solid residues separated by the two materials under the centrifugal action of the rotary drum are pushed to a slag hole C and a slag hole D by the spiral pushing mechanism.
A switch mechanism only allowing the material in one spiral channel on the spiral pushing mechanism to be discharged is arranged in the slag hole C, and a switch mechanism only allowing the material in the other spiral channel on the spiral pushing mechanism to be discharged is arranged in the slag hole D; each switch mechanism is matched with the spiral pushing mechanism; the liquid separated by the centrifugal action of the two materials through the rotary drum is discharged through the slurry discharge holes densely distributed on the rotary drum and the slurry outlet on the shell.
As a further improvement of the technology, the shell is mounted on the base through four support columns; a slag outlet A of the shell is provided with a slag outlet cylinder A for guiding solid slag in one spiral channel on the spiral pushing mechanism to be discharged, and a slag outlet B for guiding solid slag in the other spiral channel on the spiral pushing mechanism to be discharged is arranged at the slag outlet B; a pulp outlet barrel for guiding liquid separated from the two materials to be discharged is arranged at the pulp outlet of the shell; the slurry discharge holes are uniformly arranged on the end surface of the large-diameter part of the inner cavity of the rotary drum.
As a further improvement of the technology, the spiral pushing mechanism comprises a feeding pipe, a spiral plate A and a spiral plate B, wherein the feeding pipe is provided with the spiral plate A and the spiral plate B which are circumferentially spaced by 180 degrees of radian and have the same rotating direction, and small holes allowing liquid to axially pass through are uniformly and densely distributed on the spiral plate A and the spiral plate B; one end of the feeding pipe is provided with a feeding hole A, and the other end of the feeding pipe is provided with a feeding hole B; the feed inlet A is communicated with a spiral channel formed by the spiral plate A and the spiral plate B through the discharge outlet A, and the feed inlet B is communicated with another spiral channel formed by the spiral plate A and the spiral plate B through the discharge outlet B; the cylindrical surfaces of the spiral plate A and the spiral plate B which are arranged outside the feeding pipe are provided with outer conical surfaces opposite to the inner conical surfaces on the inner cavity of the rotary drum.
As a further improvement of the technology, the electric drive module is arranged outside the shell, and a gear A arranged on an output shaft of the electric drive module is meshed with a gear B arranged at one end of the feeding pipe; two gear rings A positioned in the shell are arranged at two ends of the feeding pipe, and each gear ring A is meshed with three gears C which are circumferentially and uniformly arranged on a ring plate A at the same side end in the shell; two ends of the rotary drum are rotatably matched with two ring sleeves; each ring sleeve is provided with a gear D and a gear ring B; the gear D is meshed with three gears C at the same side end, and the gear ring B is meshed with three gears E which are circumferentially and uniformly arranged on a ring plate B at the same side end in the shell; three gears E at the same side end are meshed with a gear F arranged at the same side end of the rotary drum; a closed space with a slurry outlet is formed between the slurry discharge hole end of the rotary drum and a ring plate B arranged at the same side end in the shell, and the ring plate B opposite to the slurry discharge hole is in rotary fit with the rotary drum and is provided with a rotary sealing structure.
As a further improvement of the technology, the switch mechanism comprises a square frame, a roller A, a roller B, a belt, a shifting plate, a support lug, a swing shaft, a volute spring and a swing limiting block, wherein the square frame is arranged in a slag hole C or a slag hole D; two rollers A and two rollers B are symmetrically arranged in the square frame, and large-width belts are arranged on the two rollers A and the two rollers B; two slag outlets E with the length equal to one fourth of the length of the belt are arranged on the belt at intervals, and the distance between the two slag outlets E is equal to one fourth of the length of the belt; two sides of each slag hole E are hinged with two shifting plates, and a swing shaft where the two shifting plates are located is in rotating fit with two support lugs arranged on the belt; a scroll spring for resetting the balance block is arranged on the pendulum shaft on which each shifting plate is arranged; the volute spring is positioned in a ring groove C of one support lug; one end of the volute spring is connected with the inner wall of the corresponding ring groove C, and the other end of the volute spring is connected with the corresponding swing shaft; four limit swing blocks for limiting the swing direction of the shifting plate are arranged on the belt; the shifting plate is matched with the spiral plate A and the spiral plate B.
As a further improvement of the technology, the inner wall of the ring sleeve is provided with a ring groove B, and the ring B fixedly arranged on the rotary drum rotates in the ring groove B. The matching of the circular ring B and the circular groove B ensures that the ring sleeve and the rotary drum only generate relative rotation and do not generate relative axial movement. The feeding pipe is fixedly provided with a circular ring A which rotates in a circular groove A on the inner wall of the rotary drum. The matching of the circular ring A and the circular groove A ensures that only relative rotation is generated between the feeding pipe and the rotary drum and relative axial movement is not generated. The cooperation has a plurality of roller bearings between rotary drum and the shells inner wall, installs rotary seal structure between rotary drum and the casing, prevents that the solid dregs that slag notch C and slag notch D come out from getting into in rotary drum and the rotatory complex gap of casing, prevents simultaneously that centrifugal separation's liquid from getting into in rotary drum and the rotatory complex gap of casing.
A production process of sterile bean curd of production equipment is characterized by comprising the following steps:
step 1: bean harvesting and storage: the soybean raw materials sent to a workshop are detected by a factory, and raw milk meeting the standard is sent to a raw material warehouse for standby after stone removal and impurity removal;
step 2: soybean treatment: peeling semen glycines, removing embryo bud, and introducing 170 deg.C hot steam for 1-3 s;
and step 3: grinding: adding hot water with the weight 5 times that of the raw materials, wherein the temperature of the hot water is as follows: grinding the raw materials subjected to steam heat treatment by a grinding mechanism at 55-60 ℃, continuously grinding for 2 times, and performing coarse grinding and then fine grinding;
and 4, step 4: separating pulp from slag: separating the materials discharged from the refiner through a double-path horizontal centrifugal device to obtain soybean milk and bean dregs, and adding hot water into the bean dregs, wherein the temperature of the hot water is as follows: separating the mixture of bean dregs and water at 55-60 deg.C by a horizontal centrifuge to obtain soybean milk, and mixing the soybean milk with the soybean milk from the first horizontal centrifuge;
and 5: degassing, ultra-high temperature sterilization and cooling: heating soybean milk to 65-75 ℃ through a heat exchanger, degassing in a degassing unit, conveying the degassed soybean milk to an ultra-high temperature sterilization system through a conveying pump, heating the soybean milk to 130 ℃ after the soybean milk enters the ultra-high temperature sterilization equipment, preserving the temperature for 5S, cooling to 20 ℃, and conveying to an aseptic filling machine system through an aseptic pipeline;
step 6: aseptic on-line addition of coagulant: adding coagulator into the ultra-high temperature sterilized soybean milk on line in a pipeline in front of an aseptic filling machine system;
and 7: and (3) sterile filling: and filling the material added with the starter strains in an aseptic filling machine.
And 8: heating, cooling and storing: the filled product enters a sterilization tunnel, the temperature of the sterilization tunnel is controlled to be 90 +/-1 ℃, the product is conveyed for 50-60Min in the sterilization tunnel, and then the product enters a cooling tunnel to reduce the temperature of the product to 25 ℃.
Can make the shelf life increase through this technology, and double-circuit horizontal centrifugal equipment, for traditional horizontal centrifuge, can carry out solid-liquid separation's material and the secondary simultaneously to carrying out solid-liquid separation to the material that carries out solid-liquid separation for the first time in aseptic bean curd production process and carry out synchronous centrifugal separation, the solid part of the material that two kinds of degrees of separation are different can not mix each other in centrifugal separation process, the solid dregs of the material behind centrifugal separation of two kinds of degrees of separation are discharged from the export of difference respectively, the material that is convenient for carry out first centrifugal separation carries out effectual secondary circulation centrifugal separation in same equipment, save centrifugal separation equipment's quantity, reduce equipment acquisition cost and equipment maintenance cost.
Drawings
FIG. 1 is a schematic flow sheet of the process of the present invention.
FIG. 2 is a flow sheet of the process of the present invention.
FIG. 3 is a schematic cross-sectional view of a two-way horizontal centrifuge apparatus of the present invention and its overall configuration.
FIG. 4 is a schematic cross-sectional view of the electric drive module, gear A, gear B, feed tube end, gear ring A, gear C, gear D, ring, gear ring B, gear E, gear F, and drum end in combination.
FIG. 5 is a schematic cross-sectional view of the other end of the feed pipe, gear ring A, gear C, gear D, ring sleeve, gear ring B, gear E, gear F, and the other end of the drum.
Fig. 6 is a schematic cross-sectional view of a screw plate a and a screw plate B in cooperation with an opening and closing mechanism installed in a slag hole C and a screw plate a and a screw plate B in cooperation with an opening and closing mechanism installed in a slag hole D.
Fig. 7 is a schematic cross-sectional view of the engagement of the spiral plates a and B with the switch mechanism.
Fig. 8 is a schematic cross-sectional view of the switching mechanism.
FIG. 9 is a schematic cross-sectional view of the dial plate, the swing shaft, the volute spring and the swing limiting block.
Fig. 10 is a schematic sectional view of the housing.
FIG. 11 is a schematic cross-sectional view of the drum.
Figure 12 is a cross-sectional view of a cuff.
FIG. 13 is a schematic cross-sectional view of a screw pushing mechanism.
Number designation in the figures: 1. a housing; 2. a slag hole A; 3. a slag hole B; 4. a pulp outlet; 5. a feed pipe; 6. an outer conical surface; 7. a feed inlet A; 8. a discharge hole A; 9. a feed inlet B; 10. a discharge hole B; 11. a spiral plate A; 12. a spiral plate B; 13. a drum; 14. an inner conical surface; 15. a ring groove A; 16. a slag outlet C; 17. a slag hole D; 18. a slurry discharge hole; 19. a circular ring A; 20. a rotary seal structure; 21. a roller bearing; 22. an electric drive module; 23. a gear A; 24. a gear B; 25. a gear ring A; 26. a gear C; 27. a ring plate A; 28. a gear D; 29. sleeving a ring; 30. a ring groove B; 31. a circular ring B; 32. a gear ring B; 33. a gear E; 34. a ring plate B; 35. a gear F; 36. a switch mechanism; 37. a square frame; 38. a roller A; 39. a roller B; 40. a belt; 41. a slag hole E; 42. dialing a plate; 43. supporting a lug; 44. a ring groove C; 45. a pendulum shaft; 46. a volute spring; 47. a swing limiting block; 48. a pulp outlet cylinder; 49. a slag discharging barrel A; 50. a slag discharging barrel B; 51. a support pillar; 52. a base; 53. spiral pushing equipment.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 13, the production process of aseptic tofu by using the production equipment of the present embodiment is characterized in that:
step 1: bean harvesting and storage: the soybean raw materials sent to a workshop are detected by a factory, and raw milk meeting the standard is sent to a raw material warehouse for standby after stone removal and impurity removal;
step 2: soybean treatment: peeling semen glycines, removing embryo bud, and introducing 170 deg.C hot steam for 1-3 s;
and step 3: grinding: adding hot water with the weight 5 times that of the raw materials, wherein the temperature of the hot water is as follows: grinding the raw materials subjected to steam heat treatment by a grinding mechanism at 55-60 ℃, continuously grinding for 2 times, and performing coarse grinding and then fine grinding;
and 4, step 4: separating pulp from slag: separating the materials discharged from the refiner through a double-path horizontal centrifugal device to obtain soybean milk and bean dregs, and adding hot water into the bean dregs, wherein the temperature of the hot water is as follows: separating the mixture of bean dregs and water at 55-60 deg.C by a horizontal centrifuge to obtain soybean milk, and mixing the soybean milk with the soybean milk from the first horizontal centrifuge;
and 5: degassing, ultra-high temperature sterilization and cooling: heating soybean milk to 65-75 ℃ through a heat exchanger, degassing in a degassing unit, conveying the degassed soybean milk to an ultra-high temperature sterilization system through a conveying pump, heating the soybean milk to 130 ℃ after the soybean milk enters the ultra-high temperature sterilization equipment, preserving the temperature for 5S, cooling to 20 ℃, and conveying to an aseptic filling machine system through an aseptic pipeline;
step 6: aseptic on-line addition of coagulant: adding coagulator into the ultra-high temperature sterilized soybean milk on line in a pipeline in front of an aseptic filling machine system;
and 7: and (3) sterile filling: and filling the material added with the starter strains in an aseptic filling machine.
And 8: heating, cooling and storing: the filled product enters a sterilization tunnel, the temperature of the sterilization tunnel is controlled to be 90 +/-1 ℃, the product is conveyed for 50-60Min in the sterilization tunnel, and then the product enters a cooling tunnel to reduce the temperature of the product to 25 ℃.
The shelf life can be increased by this process.
Two-way horizontal centrifugal equipment:
as shown in fig. 3, 4 and 5, it comprises a housing 1, a spiral pushing mechanism 53, a rotary drum 13, an electrically driven module 22 and a switch mechanism 36, wherein as shown in fig. 5, the rotary drum 13 driven by the electrically driven module 22 to rotate is hermetically and rotatably matched in the housing 1, and the spiral pushing mechanism 53 driven by the electrically driven module 22 to rotate is hermetically and rotatably matched in the rotary drum 13; as shown in fig. 4 and 5, two ends of the spiral pushing mechanism 53 are respectively in rotary fit with two ends of the housing 1; the spiral pushing mechanism 53 and the rotary drum 13 have the same rotating direction and have a speed difference; as shown in fig. 5, 10 and 11, a plurality of slag outlets C16 and a plurality of slag outlets D17 are uniformly formed in the circumferential direction on the wall of the inner cavity with the small diameter of the rotary drum 13, and the slag outlets C16 and D17 are axially distributed; the plurality of slag outlets C16 correspond to a slag outlet A2 on the shell 1, and the plurality of slag outlets D17 correspond to a slag outlet B3 on the shell 1; as shown in fig. 3 and 13, two materials pressed from two ends of the spiral pushing mechanism 53 and entering the inner cavity of the rotary drum 13 belong to two spiral channels on the spiral pushing mechanism 53, and solid residues separated by the two materials through the centrifugal action of the rotary drum 13 are pushed to a residue outlet C16 and a residue outlet D17 by the spiral pushing mechanism 53.
As shown in fig. 5, 6 and 7, the slag hole C16 is provided with a switch mechanism 36 that only allows the material in one spiral channel of the spiral pushing mechanism 53 to be discharged, and the slag hole D17 is provided with a switch mechanism 36 that only allows the material in the other spiral channel of the spiral pushing mechanism 53 to be discharged; each switch mechanism 36 is matched with the spiral pushing mechanism 53; as shown in fig. 4, 10 and 11, the liquid separated from the two materials by the centrifugal action of the rotary drum 13 is discharged through the slurry discharge holes 18 densely distributed on the rotary drum 13 and the slurry outlet 4 on the shell 1.
As shown in fig. 3 and 11, the housing 1 is mounted on a base 52 through four support columns 51; as shown in fig. 3, a slag outlet a2 of the housing 1 is provided with a slag outlet cylinder a49 for guiding solid slag in one spiral channel of the spiral pushing mechanism 53 to be discharged, and a slag outlet B3 is provided with a slag outlet cylinder B50 for guiding solid slag in the other spiral channel of the spiral pushing mechanism 53 to be discharged; a pulp outlet cylinder 48 for guiding liquid separated from the two materials to be discharged is arranged at the pulp outlet 4 of the shell 1; as shown in fig. 4 and 11, the slurry discharge holes 18 are uniformly formed in the end surface of the large diameter portion of the inner cavity of the drum 13.
As shown in fig. 13, the spiral pushing device 53 includes a feeding pipe 5, a spiral plate a11, and a spiral plate B12, wherein as shown in fig. 5, 11, and 13, the feeding pipe 5 is provided with a spiral plate a11 and a spiral plate B12 which are circumferentially spaced by 180 degrees and have the same spiral direction, and the spiral plate a11 and the spiral plate B12 are uniformly and densely provided with small holes for allowing liquid to pass through axially; one end of the feeding pipe 5 is provided with a feeding hole A7, and the other end of the feeding pipe 5 is provided with a feeding hole B9; feed port A7 is communicated with a spiral channel formed by spiral plate A11 and spiral plate B12 through a discharge port A8, and feed port B9 is communicated with another spiral channel formed by spiral plate A11 and spiral plate B12 through a discharge port B10; the cylindrical surface of the feeding pipe 5, on which the spiral plate A11 and the spiral plate B12 are arranged, is provided with an external conical surface 6 opposite to an internal conical surface 14 on the inner cavity of the rotary drum 13.
As shown in fig. 3, 4 and 5, the electric drive module 22 is mounted outside the housing 1, and a gear a23 mounted on the output shaft of the electric drive module 22 is engaged with a gear B24 mounted at one end of the feed pipe 5; two gear rings A25 positioned in the shell 1 are mounted at two ends of the feed pipe 5, and each gear ring A25 is meshed with three gears C26 which are circumferentially and uniformly mounted on the end ring plate A27 on the same side in the shell 1; two ring sleeves 29 are rotatably matched at two ends of the rotary drum 13; each ring sleeve 29 is provided with a gear D28 and a gear ring B32; the gear D28 is meshed with three gears C26 at the same side end, and the gear ring B32 is meshed with three gears E33 which are circumferentially and uniformly arranged on a same side end ring plate B34 in the shell 1; three gears E33 on the same side end are meshed with a gear F35 arranged on the same side end of the rotary drum 13; a closed space with a pulp outlet 4 is formed between the end of the pulp discharge hole 18 of the rotary drum 13 and a ring plate B34 arranged at the same side end in the shell 1, and a ring plate B34 opposite to the pulp discharge hole 18 is in rotary fit with the rotary drum 13 and is provided with a rotary sealing structure 20.
As shown in fig. 8, the switch mechanism 36 comprises a box 37, a roller a38, a roller B39, a belt 40, a dial plate 42, a support lug 43, a swing shaft 45, a scroll spring 46 and a swing limit block 47, wherein the box 37 is installed in a slag hole C16 or a slag hole D17 as shown in fig. 8 and 9; two rollers A38 and two rollers B39 are symmetrically arranged in the box 37, and a belt 40 with large width is arranged on the two rollers A38 and the two rollers B39; two slag outlets E41 with the length equal to the length of a quarter of the belt 40 are arranged on the belt 40 at intervals, and the distance between the two slag outlets E41 is equal to the length of the quarter of the belt 40; two sides of each slag hole E41 are hinged with two shifting plates 42, and a swing shaft 45 where the two shifting plates 42 are located is in rotating fit with two support lugs 43 arranged on the belt 40; a scroll spring 46 for resetting the swing shaft 45 on which each shifting plate 42 is arranged; volute spring 46 is located in a groove C44 of one of lugs 43; one end of the volute spring 46 is connected with the inner wall of the corresponding annular groove C44, and the other end of the volute spring is connected with the corresponding swing shaft 45; four limit swing blocks 47 for limiting the swing direction of the shifting plate 42 are arranged on the belt 40; as shown in fig. 6 and 7, the poke plate 42 is engaged with the spiral plate a11 and the spiral plate B12.
As shown in fig. 4, 5 and 12, the inner wall of the ring sleeve 29 is provided with a ring groove B30, and a ring B31 fixed on the rotary drum 13 rotates in the ring groove B30. The engagement of the ring B31 with the groove B30 ensures that the ring 29 and the drum 13 only rotate relative to each other and do not move axially relative to each other. As shown in figures 4 and 11, a ring A19 is fixedly arranged on the feeding pipe 5, and a ring A19 rotates in a ring groove A15 on the inner wall of the rotary drum 13. The cooperation of the ring A19 and the groove A15 ensures that only relative rotation and no relative axial movement occur between the feed pipe 5 and the rotary drum 13. A plurality of roller bearings 21 are matched between the rotary drum 13 and the inner wall of the shell 1, a rotary sealing structure 20 is installed between the rotary drum 13 and the shell 1, solid dregs out of the slag outlet C16 and the slag outlet D17 are prevented from entering a gap between the rotary drum 13 and the shell 1 in a rotary matching manner, and liquid obtained by centrifugal separation is prevented from entering the gap between the rotary drum 13 and the shell 1 in a rotary matching manner.
The electric drive module 22 of the present invention is known in the art and is comprised of a motor, a reducer and a control unit.
In the invention, the axial distance between the spiral plate A11 and the spiral plate B12 is larger than the distance between two adjacent poking plates 42 in the switch mechanism 36, so that each poking plate 42 is only fixedly matched with the spiral plate A11 or the spiral plate B12.
The work flow of the double-path horizontal centrifugal equipment is as follows: when the centrifugal separation is needed to be carried out on the refining in the production of the sterile bean curd by using the centrifugal separation device, the electric drive module 22 is started to operate, the electric drive module 22 drives the feeding pipe 5 to rotate rapidly through the gear A23 and the gear B24, the feeding pipe 5 drives the rotary drum 13 to rotate at a speed higher than that of the feeding pipe 5 through the gear ring A25, the gear C26, the gear D28, the ring sleeve 29, the gear B32, the gear E33 and the gear F35, and the rotary direction of the rotary drum 13 is the same as that of the feeding pipe 5, so that the feeding pipe 5 and the rotary drum 13 rotate relatively. Two non-adjacent paddle 42 of each switch mechanism 36 always engage with either spiral a11 or spiral B12.
If spiral plate a11 causes the corresponding belt 40 to open slag hole C16 by toggling a set of two non-adjacent toggle plates 42 of switch mechanism 36 in each slag hole C16, spiral plate B12 causes the corresponding belt 40 to close slag hole C16 by toggling another set of two non-adjacent toggle plates 42 of switch mechanism 36 in each slag hole C16, the spiral channel on the left side of spiral plate a11 communicates with slag hole a2 when switch mechanism 36 opens slag hole C16, spiral plate a11 causes the slag hole D17 to close slag hole D17 by interacting with a set of two non-adjacent toggle plates 42 of switch mechanism 36 in any one of slag holes D17 and causes belt 40 of switch mechanism 36 in slag hole D17 to close slag hole D3892, and spiral plate B12 causes belt 40 of switch mechanism 36 in slag hole D17 to open slag hole D17 by interacting with another set of two non-adjacent toggle plates 42 of switch mechanism 36 in any one of slag hole D17, the helical channel to the right of the helical plate a11 communicates with tap hole B3 when the switch mechanism 36 is open to tap hole D17.
The soybean milk ground by the water-doped soybeans is continuously pressed into a spiral channel on the right side of a spiral plate A11 through a feeding port A7 and a discharging port A8 at one end of a feeding pipe 5, the soybean milk entering the spiral channel on the right side of the spiral plate A11 is subjected to centrifugal solid-liquid separation under the driving of a spiral pushing mechanism 53 rotating at a high speed in the same direction and a rotary drum 13, and the separated liquid part passes through small holes densely distributed on the spiral plate A11 and the spiral plate B12, is discharged through a pulp discharging hole 18 on the rotary drum 13 and a pulp discharging port 4 on a shell 1 and is collected in a centralized mode. Because the feeding pipe 5 and the rotary drum 13 rotate at different speeds, the feeding pipe 5 drives the spiral plate A11 and the spiral plate B12 to have relative rotation speeds relative to the rotary drum 13, and the separated solid dregs still lie in the spiral channel at the right side of the spiral plate A11 and are pushed by the spiral plate A11 to move axially towards the slag outlets D17.
When the solid slag in the spiral channel on the right side of the spiral plate A11 reaches the annular area where the plurality of slag outlets D17 are located, along with the fact that the spiral plate B12 drives the corresponding belt 40 to open the slag outlets D17 through the action of the shifting plate 42 of the opening and closing mechanism 36 in any slag outlet D17, the solid slag in the channel on the right side of the spiral plate A11 is discharged into hot water below through the opened slag outlet D17 and the slag outlet B3 on the shell 1 under the extrusion of the subsequent solid slag to be uniformly stirred and mixed again.
The solid residue after the primary centrifugal separation is uniformly mixed with hot water again and then pumped into the spiral channel on the left side of the spiral plate A11 through the feed port B9 and the discharge port B10 at the other end of the feed pipe 5. The material entering the spiral channel at the left side of the spiral plate A11 is driven by the spiral pushing mechanism 53 rotating at high speed in the same direction and the rotary drum 13 to carry out centrifugal solid-liquid separation, and the liquid part separated again passes through the small holes densely distributed on the spiral plate A11 and the spiral plate B12, is discharged through the pulp discharge hole 18 on the rotary drum 13 and the pulp outlet 4 on the shell 1, and is collected together with the liquid part separated previously. The solid dross separated again still resides in the helical path to the left of the spiral plate a11 and is pushed by the spiral plate B12 axially towards the several slag outlets C16.
When the solid dregs centrifugally separated again in the spiral channel on the left side of the spiral plate A11 reach the annular area where the plurality of slag outlets C16 are located, along with the process that the spiral plate A11 drives the corresponding belt 40 to open the slag outlets C16 through the action of the shifting plate 42 of the opening and closing mechanism 36 in any slag outlet C16, the solid dregs in the channel on the left side of the spiral plate A11 are discharged through the opened slag outlet C16 and the slag outlet A2 on the shell 1 under the extrusion of the subsequent solid dregs and are finally collected as poultry feed.
During the operation of the belt 40 in the operation of the switch mechanism 36, when the shifting plate 42 reaches the gap between the belt 40 and the inner wall of the block 37, the shifting plate 42 is subjected to adaptive swing under the action of the block 37, the volute spring 46 for resetting the shifting plate 42 is further compressed and stored with energy, and the shifting plate 42 which falls is separated from the corresponding limit swing block 47 and enters the gap between the belt 40 and the block 37 along with the operation of the belt 40. When the shifting plate 42 moves completely along with the belt 40 to the gap between the belt 40 and the block 37, the shifting plate 42 is reset by instantaneous swing back under the reset action of the corresponding volute spring 46 and is in contact with and abutted against the corresponding swing limit block 47 again.
When the operation of the electric driving module 22 is stopped when the use of the present invention is finished, the present invention can perform the circulation secondary centrifugal separation of the solid residue mixed with hot water again after the first centrifugal separation in the production process of the aseptic bean curd, reduce the number of centrifugal devices, and reduce the purchase cost of bean curd production equipment and the maintenance cost of the equipment.
To sum up, the two-way horizontal centrifugal apparatus: double-circuit horizontal centrifugal equipment can carry out solid-liquid separation's material and secondary simultaneously to the material that carries out solid-liquid separation for the first time in aseptic bean curd production process and carry out synchronous centrifugal separation, the solid part of the material that two kinds of separation degree are different can not mix each other in the centrifugal separation in-process, solid dregs after centrifugal separation of the material that two kinds of separation degree are different are discharged from the export of difference respectively, the material that is convenient for carry out first centrifugal separation carries out effectual secondary circulation centrifugal separation in same equipment, save centrifugal separation equipment's quantity, reduce equipment acquisition cost and equipment maintenance cost.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (10)
1. A production device of aseptic bean curd comprises a grinding mechanism, a two-way horizontal centrifugal device and a soybean milk ultra-high temperature sterilization device; after the soybean raw material is subjected to molting and germ removal through molting and germ removal, grinding the soybean raw material into thick liquid through a grinding mechanism, separating pulp from residue of the thick liquid through a double-path horizontal centrifugal device, and cooking and sterilizing the treated pulp through a soybean milk ultra-high temperature sterilization device;
the method is characterized in that: the two-way horizontal centrifugal equipment comprises a shell, a spiral material pushing mechanism, a rotary drum, an electric driving module and a switch mechanism.
2. The apparatus for producing sterilized bean curd according to claim 1, wherein:
the rotary drum driven to rotate by the electric drive module is hermetically and rotatably matched in the shell, the spiral pushing mechanism driven to rotate by the electric drive module is hermetically and rotatably matched in the rotary drum, and two ends of the spiral pushing mechanism are respectively rotatably matched with two ends of the shell; the spiral pushing mechanism and the rotary drum have the same rotating direction and have a speed difference; a plurality of slag outlets C and a plurality of slag outlets D are uniformly arranged on the wall of the small-diameter inner cavity of the rotary drum in the circumferential direction, and the slag outlets C and the slag outlets D are axially distributed; the plurality of slag outlets C correspond to the slag outlets A on the shell, and the plurality of slag outlets D correspond to the slag outlets B on the shell; two materials pressed from two ends of the spiral pushing mechanism and entering the inner cavity of the rotary drum belong to two spiral channels on the spiral pushing mechanism, and solid residues separated by the two materials through the centrifugal action of the rotary drum are pushed to a slag hole C and a slag hole D by the spiral pushing mechanism;
a switch mechanism only allowing the material in one spiral channel on the spiral pushing mechanism to be discharged is arranged in the slag hole C, and a switch mechanism only allowing the material in the other spiral channel on the spiral pushing mechanism to be discharged is arranged in the slag hole D; each switch mechanism is matched with the spiral pushing mechanism; the liquid separated by the centrifugal action of the two materials through the rotary drum is discharged through the slurry discharge holes densely distributed on the rotary drum and the slurry outlet on the shell.
3. The apparatus for producing sterilized bean curd according to claim 1, wherein: the shell is arranged on the base through four support columns; a slag outlet A of the shell is provided with a slag outlet cylinder A for guiding solid slag in one spiral channel on the spiral pushing mechanism to be discharged, and a slag outlet B for guiding solid slag in the other spiral channel on the spiral pushing mechanism to be discharged is arranged at the slag outlet B; a pulp outlet barrel for guiding liquid separated from the two materials to be discharged is arranged at the pulp outlet of the shell; the slurry discharge holes are uniformly arranged on the end surface of the large-diameter part of the inner cavity of the rotary drum.
4. The apparatus for producing sterilized bean curd according to claim 1, wherein: the spiral pushing mechanism comprises a feeding pipe, a spiral plate A and a spiral plate B, wherein the feeding pipe is provided with the spiral plate A and the spiral plate B which are circumferentially spaced by 180 degrees of radian and have the same rotating direction, and small holes allowing liquid to axially pass through are uniformly and densely distributed in the spiral plate A and the spiral plate B; one end of the feeding pipe is provided with a feeding hole A, and the other end of the feeding pipe is provided with a feeding hole B; the feed inlet A is communicated with a spiral channel formed by the spiral plate A and the spiral plate B through the discharge outlet A, and the feed inlet B is communicated with another spiral channel formed by the spiral plate A and the spiral plate B through the discharge outlet B; the cylindrical surfaces of the spiral plate A and the spiral plate B which are arranged outside the feeding pipe are provided with outer conical surfaces opposite to the inner conical surfaces on the inner cavity of the rotary drum.
5. The apparatus for producing sterilized bean curd according to claim 1, wherein: the electric drive module is arranged on the outer side of the shell, and a gear A arranged on an output shaft of the electric drive module is meshed with a gear B arranged at one end of the feeding pipe; two gear rings A positioned in the shell are arranged at two ends of the feeding pipe, and each gear ring A is meshed with three gears C which are circumferentially and uniformly arranged on a ring plate A at the same side end in the shell; two ends of the rotary drum are rotatably matched with two ring sleeves; each ring sleeve is provided with a gear D and a gear ring B; the gear D is meshed with three gears C at the same side end, and the gear ring B is meshed with three gears E which are circumferentially and uniformly arranged on a ring plate B at the same side end in the shell; three gears E at the same side end are meshed with a gear F arranged at the same side end of the rotary drum; a closed space with a slurry outlet is formed between the slurry discharge hole end of the rotary drum and a ring plate B arranged at the same side end in the shell, and the ring plate B opposite to the slurry discharge hole is in rotary fit with the rotary drum and is provided with a rotary sealing structure.
6. The apparatus for producing sterilized bean curd according to claim 1, wherein: the switch mechanism comprises a square frame, a roller A, a roller B, a belt, a shifting plate, a support lug, a swing shaft, a scroll spring and a swing limiting block, wherein the square frame is arranged in a slag hole C or a slag hole D; two rollers A and two rollers B are symmetrically arranged in the square frame, and large-width belts are arranged on the two rollers A and the two rollers B; two slag outlets E with the length equal to one fourth of the length of the belt are arranged on the belt at intervals, and the distance between the two slag outlets E is equal to one fourth of the length of the belt; two sides of each slag hole E are hinged with two shifting plates, and a swing shaft where the two shifting plates are located is in rotating fit with two support lugs arranged on the belt; a scroll spring for resetting the balance block is arranged on the pendulum shaft on which each shifting plate is arranged; the volute spring is positioned in a ring groove C of one support lug; one end of the volute spring is connected with the inner wall of the corresponding ring groove C, and the other end of the volute spring is connected with the corresponding swing shaft; four limit swing blocks for limiting the swing direction of the shifting plate are arranged on the belt; the shifting plate is matched with the spiral plate A and the spiral plate B.
7. The apparatus for producing sterilized bean curd according to claim 1, wherein: the inner wall of the ring sleeve is provided with a ring groove B, and a circular ring B fixedly arranged on the rotary drum rotates in the ring groove B; a circular ring A is fixedly arranged on the feeding pipe and rotates in a circular groove A on the inner wall of the rotary drum; a plurality of roller bearings are matched between the rotary drum and the inner wall of the shell, and a rotary sealing structure is arranged between the rotary drum and the shell.
8. The apparatus for producing sterilized bean curd according to claim 1, wherein: the inner wall of the ring sleeve is provided with a ring groove B, and a circular ring B fixedly arranged on the rotary drum rotates in the ring groove B; a circular ring A is fixedly arranged on the feeding pipe and rotates in a circular groove A on the inner wall of the rotary drum; a plurality of roller bearings are matched between the rotary drum and the inner wall of the shell, and a rotary sealing structure is arranged between the rotary drum and the shell.
9. The apparatus for producing sterilized bean curd according to claim 1, wherein: the inner wall of the ring sleeve is provided with a ring groove B, and a circular ring B fixedly arranged on the rotary drum rotates in the ring groove B; a circular ring A is fixedly arranged on the feeding pipe and rotates in a circular groove A on the inner wall of the rotary drum; a plurality of roller bearings are matched between the rotary drum and the inner wall of the shell, and a rotary sealing structure is arranged between the rotary drum and the shell.
10. A process for producing aseptic tofu using the production apparatus of claim 1, characterized in that:
step 1: bean harvesting and storage: the soybean raw materials sent to a workshop are detected by a factory, and raw milk meeting the standard is sent to a raw material warehouse for standby after stone removal and impurity removal;
step 2: soybean treatment: peeling semen glycines, removing embryo bud, and introducing 170 deg.C hot steam for 1-3 s;
and step 3: grinding: adding hot water with the weight 5 times that of the raw materials, wherein the temperature of the hot water is as follows: grinding the raw materials subjected to steam heat treatment by a grinding mechanism at 55-60 ℃, continuously grinding for 2 times, and performing coarse grinding and then fine grinding;
and 4, step 4: separating pulp from slag: separating the materials discharged from the refiner through a double-path horizontal centrifugal device to obtain soybean milk and bean dregs, and adding hot water into the bean dregs, wherein the temperature of the hot water is as follows: separating the mixture of bean dregs and water at 55-60 deg.C by a horizontal centrifuge to obtain soybean milk, and mixing the soybean milk with the soybean milk from the first horizontal centrifuge;
and 5: degassing, ultra-high temperature sterilization and cooling: heating soybean milk to 65-75 ℃ through a heat exchanger, degassing in a degassing unit, conveying the degassed soybean milk to an ultra-high temperature sterilization system through a conveying pump, heating the soybean milk to 130 ℃ after the soybean milk enters the ultra-high temperature sterilization equipment, preserving the temperature for 5S, cooling to 20 ℃, and conveying to an aseptic filling machine system through an aseptic pipeline;
step 6: aseptic on-line addition of coagulant: adding coagulator into the ultra-high temperature sterilized soybean milk on line in a pipeline in front of an aseptic filling machine system;
and 7: and (3) sterile filling: filling the material added with the starter strains in an aseptic filling machine;
and 8: heating, cooling and storing: the filled product enters a sterilization tunnel, the temperature of the sterilization tunnel is controlled to be 90 +/-1 ℃, the product is conveyed for 50-60Min in the sterilization tunnel, and then the product enters a cooling tunnel to reduce the temperature of the product to 25 ℃.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104038A (en) * | 1985-05-25 | 1986-11-19 | 浙江工学院 | Many cone angles parallel flow type horizontal screw centrifuge |
| CN106070683A (en) * | 2016-06-16 | 2016-11-09 | 江南大学 | A kind of production method of sterile brick bean curd |
| CN106824559A (en) * | 2017-02-14 | 2017-06-13 | 南京莫尼亚离心机科技发展有限公司 | A kind of both-end reverse acting spiral pusher horizontal centrifuge |
| CN110439810A (en) * | 2019-09-12 | 2019-11-12 | 东莞市雅之雷德机电科技有限公司 | A kind of single screw rod blower |
-
2021
- 2021-01-18 CN CN202110064502.0A patent/CN112674281B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85104038A (en) * | 1985-05-25 | 1986-11-19 | 浙江工学院 | Many cone angles parallel flow type horizontal screw centrifuge |
| CN106070683A (en) * | 2016-06-16 | 2016-11-09 | 江南大学 | A kind of production method of sterile brick bean curd |
| CN106824559A (en) * | 2017-02-14 | 2017-06-13 | 南京莫尼亚离心机科技发展有限公司 | A kind of both-end reverse acting spiral pusher horizontal centrifuge |
| CN110439810A (en) * | 2019-09-12 | 2019-11-12 | 东莞市雅之雷德机电科技有限公司 | A kind of single screw rod blower |
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