CN117582819B - Liquid cooling extraction permeation separation equipment and separation method for birch extract juice - Google Patents
Liquid cooling extraction permeation separation equipment and separation method for birch extract juice Download PDFInfo
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- CN117582819B CN117582819B CN202410071281.3A CN202410071281A CN117582819B CN 117582819 B CN117582819 B CN 117582819B CN 202410071281 A CN202410071281 A CN 202410071281A CN 117582819 B CN117582819 B CN 117582819B
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- 239000007788 liquid Substances 0.000 title claims abstract description 60
- 235000018185 Betula X alpestris Nutrition 0.000 title claims abstract description 49
- 235000018212 Betula X uliginosa Nutrition 0.000 title claims abstract description 49
- 235000011389 fruit/vegetable juice Nutrition 0.000 title claims abstract description 38
- 238000000605 extraction Methods 0.000 title claims abstract description 17
- 238000005371 permeation separation Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 title claims description 8
- 238000000926 separation method Methods 0.000 title abstract description 10
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 131
- 238000007789 sealing Methods 0.000 claims abstract description 77
- 239000012528 membrane Substances 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000007306 turnover Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 6
- 239000013043 chemical agent Substances 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 description 13
- 230000009471 action Effects 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- 239000006228 supernatant Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
- B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/12—Use of permeate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a liquid-cooled extraction and permeation separation device and a separation method for birch extract liquid, and relates to the technical field of reverse osmosis separation devices. The reverse osmosis membrane device comprises a support, wherein an automatic rotary roll-over stand is arranged on the outer side of the support, a pressure cylinder is welded in the roll-over stand, a connecting rod is arranged on the outer side of the roll-over stand, reverse osmosis tubes capable of automatically turning over are arranged at two ends of the connecting rod, sealing connectors are arranged at two ends of the pressure cylinder, the sealing connectors can be in sealing connection with two ends of the reverse osmosis tubes, and reverse osmosis membranes are arranged in the reverse osmosis tubes. According to the invention, the two groups of reverse osmosis membranes are switched, so that the birch juice can be concentrated for multiple times, the concentrated solution does not need to be transported, the concentration efficiency is high, a cavity is arranged between the piston air pressure plate and the reverse osmosis membranes, concentrated clear liquid is stored in the cavity, and the clear liquid is backwashed on the reverse osmosis membranes during secondary concentration, so that the birch juice can be comprehensively separated while the reverse osmosis membranes are cleaned.
Description
Technical Field
The invention relates to the technical field of reverse osmosis separation equipment, in particular to a liquid extraction and permeation separation equipment and a separation method for birch extract liquid.
Background
A membrane that is permeable only to solvents and impermeable to solutes is called a semipermeable membrane. When a solvent and a solution (or two solutions of different concentrations) are placed on either side of the membrane, the pure solvent will naturally pass through the semipermeable membrane and spontaneously flow to the solution (or from a low concentration solution to a high concentration solution) side, a phenomenon known as osmosis. When a pressure higher than the osmotic pressure is applied to the liquid surface of the solution, the solvent starts to flow from the solution to the solvent side in the opposite direction to the original osmotic pressure, which is called reverse osmosis. Compared with the traditional evaporation method, the reverse osmosis concentrated birch juice is carried out at low temperature without phase change, and has the advantages of better preservation of flavor and nutrition components of the birch juice, reduction of energy consumption, simple operation and the like.
The prior art (application number: CN 202311004236.8) discloses a reverse osmosis system for cold extraction of birch juice, which comprises a regulating unit, a concentrating unit, a detecting unit and a transmission unit, wherein the regulating unit is used for regulating temperature, pressure and time; the concentration unit is used for cold extraction of the birch juice, and water is separated from the birch juice by reverse osmosis; the detection unit is used for detecting the concentration of the cold extracted birch juice; the transmission unit is used for information transmission and resource interaction among the adjusting unit, the concentrating unit and the detecting unit.
The technical problems of the scheme in the actual use process are as follows:
1. compared with the prior art, the method utilizes a plurality of groups of reverse osmosis membranes to concentrate the birch juice for a plurality of times, so that the concentration cost is high, the volume of concentration equipment is large, the birch juice needs to be repeatedly transported in the concentration process, the birch juice is easy to be polluted in the transportation process, and the concentration efficiency is seriously influenced;
2. this case and prior art can't carry out self-cleaning to reverse osmosis membrane when concentrating birch juice, need the manual work to wash in the regulation time, can't sit to filter once and just wash, and the reverse osmosis membrane hole is blocked easily, influences follow-up concentrated quality.
Disclosure of Invention
The invention aims at: in order to solve the problems, the invention provides a liquid-cooled extraction and permeation separation device and a liquid-cooled extraction and permeation separation method for birch extract juice.
The invention adopts the following technical scheme for realizing the purposes:
the birch extract liquid cooling, extracting and penetrating separation equipment comprises a support, wherein an automatic rotating turnover frame is arranged on the outer side of the support, a pressure cylinder is welded in the turnover frame, a connecting rod is arranged on the outer side of the turnover frame, reverse osmosis pipes capable of automatically overturning are arranged at two ends of the connecting rod, sealing connectors are arranged at two ends of the pressure cylinder, and the sealing connectors can be in sealing connection with two ends of the reverse osmosis pipes;
the pressure cylinder is characterized in that a liquid inlet pipe is arranged on the outer side of the pressure cylinder, a sealing cover is connected to the outer side of the liquid inlet pipe in a threaded manner, two groups of air inlet pipes are arranged on the outer side of the pressure cylinder, electromagnetic valves are arranged on the outer sides of the two groups of air inlet pipes, the two groups of electromagnetic valves are simultaneously connected to an air pressure connecting pipe, the air pressure connecting pipe is communicated with an external high-pressure air source, two groups of inner valve cores are arranged inside the pressure cylinder, an elastic cross brace is arranged on the inner wall of the sealing connector, a valve rod is arranged on one side, close to the pressure cylinder, of the elastic cross brace, the valve rod can be inserted into the inner valve cores in a sealing manner, and a one-way backflow valve is arranged inside the valve rod;
reverse osmosis membrane is arranged in the reverse osmosis pipe, fixed cross braces are arranged in the reverse osmosis pipe, piston air pressure plates are connected to the reverse osmosis pipe in a sliding mode, tension springs are arranged between the piston air pressure plates and the fixed cross braces, a cavity is arranged between the reverse osmosis membrane and the piston air pressure plates, a liquid discharge pipe is arranged on the outer side of the reverse osmosis pipe and communicated with the cavity, the liquid discharge pipe is close to the reverse osmosis membrane, and a one-way valve is arranged at the outlet of the liquid discharge pipe.
Further, the rotating sleeves capable of automatically rotating are arranged at the two ends of the pressure cylinder, the sealing connectors are inserted into the rotating sleeves, the inner walls of the rotating sleeves are provided with guide grooves, the outer sides of the sealing connectors are provided with outer guide strips, the outer guide strips are slidably connected in the guide grooves, the inner sides of the sealing connectors are provided with inner threads, and the two ends of the reverse osmosis pipe are provided with outer threads.
Further, driving motor is installed in the outside of pressure section of thick bamboo, the drive wheel is installed to driving motor's output, the outside rotation of pressure section of thick bamboo is installed the transmission shaft, the outside of transmission shaft is provided with the drive wheel, the drive wheel meshes with the drive wheel mutually, drive bevel gear is all installed at the both ends of transmission shaft, the outside of change cover is provided with the awl tooth ring, drive bevel gear meshes with the awl tooth ring mutually.
Further, the inner bottom of the sealing connector is provided with an inner sealing ring, the top of the inner sealing ring is provided with a lower rubber ring, two ends of the pressure cylinder are provided with convex rings, and the outer diameter of each convex ring is larger than the inner diameter of the inner sealing ring.
Further, the top of sealing joint has seted up the seal groove, the inside of seal groove is provided with the rubber circle, reverse osmosis pipe can peg graft in the seal groove.
Further, the top and the bottom of support all are provided with the arc pinion rack, the center of rotation of reverse osmosis pipe all fixedly connected with runner, the runner can mesh with the arc pinion rack, after the runner passes through the arc pinion rack completely, the runner rotates 180 degrees.
Further, the outside of support is provided with the mounting leg, the upset motor is installed in the outside of support, and the upset motor is arranged in the mounting leg, the output and the roll-over stand fixed connection of upset motor.
Further, the liquid inlet pipes are provided with two groups, and the two groups of liquid inlet pipes are symmetrically arranged about the roll-over stand.
A liquid-cooled extraction and permeation separation method of birch extract juice comprises the following steps:
s1, pretreatment: adding suspended particles and colloid into birch extract juice, adsorbing large and small particles, adding chemical agent to coagulate pigment floccule, and intercepting and filtering with fine sand.
S2, crude concentration: injecting pretreated birch extract juice into a pressure cylinder through a liquid inlet pipe, injecting high-pressure gas into the pressure cylinder, performing primary reverse osmosis concentration through a reverse osmosis membrane in a reverse osmosis pipe below, and storing primary clear water liquid obtained through reverse osmosis concentration in the reverse osmosis pipe;
s3, fine concentration: through controlling pressure cylinder and reverse osmosis pipe upset, new reverse osmosis pipe rotates to the below, and then secondary concentration, and high-pressure gas gives top reverse osmosis pipe pressure simultaneously, and inside first order clear water liquid passes through reverse osmosis membrane separation to become dense water and second grade clear liquid.
The beneficial effects of the invention are as follows:
1. according to the invention, the reverse osmosis pipes are arranged at the two ends of the pressure cylinder, the pressure cylinder is controlled to overturn to drive the two groups of reverse osmosis pipes to overturn, so that the two groups of reverse osmosis membranes can be switched, and the high-pressure gas can always enter the pressure cylinder from the upper part of the concentrated solution through the arrangement of the two groups of air inlet pipes, so that the birch juice can be concentrated for multiple times, the concentrated solution does not need to be transported, and the concentration efficiency is high.
2. According to the invention, when the pressure cylinder is turned over, the reverse osmosis pipe is turned over relative to the pressure cylinder, the permeation surface of the permeable membrane after permeation is far away from the pressure cylinder, and during secondary concentration, high-pressure gas simultaneously pushes the piston air pressure plate to rise, the piston air pressure plate enables water pressure in the reverse osmosis pipe to be directed towards the permeable membrane, and backwash is carried out on the permeable membrane, so that the permeable membrane is cleaned during concentration, the cleaned permeable membrane can participate in the next concentration, and the high quality of repeated concentration is ensured.
3. According to the invention, the cavity is arranged between the piston air pressure plate and the reverse osmosis membrane, concentrated clear liquid is stored in the cavity, the reverse osmosis membrane is backwashed by the clear liquid during secondary concentration, and the clear liquid is concentrated by the reverse osmosis membrane, so that birch juice can be comprehensively separated while the reverse osmosis membrane is cleaned.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a schematic view of a pressure tube in accordance with the present invention;
FIG. 3 is a second schematic view of the pressure tube of the present invention;
FIG. 4 is a schematic cross-sectional view of a pressure tube of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic view of a sealing joint according to the present invention;
FIG. 7 is a schematic view of a reverse osmosis tube of the present invention;
FIG. 8 is a schematic cross-sectional view of a reverse osmosis tube of the present invention.
Reference numerals: 1. a bracket; 11. a mounting leg; 12. a turnover motor; 13. arc toothed plates; 2. a roll-over stand; 3. a pressure cylinder; 31. a liquid inlet pipe; 32. sealing cover; 33. an air inlet pipe; 34. an electromagnetic valve; 35. a pneumatic connecting pipe; 36. an inner valve core; 37. a rotating sleeve; 38. conical toothed ring; 39. a driving motor; 310. a driving wheel; 311. a transmission shaft; 312. a driving wheel; 313. driving a bevel gear; 4. sealing the connector; 41. an elastic cross brace; 42. a valve stem; 43. an outer guide bar; 44. an inner seal ring; 45. sealing grooves; 46. a one-way return valve; 5. a connecting rod; 6. a reverse osmosis tube; 61. an external thread; 62. a rotating wheel; 63. a liquid discharge pipe; 64. a one-way valve; 65. a reverse osmosis membrane; 66. fixing the cross braces; 67. a piston air pressure plate; 68. and a tension spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A birch extract liquid cold extraction osmotic separation apparatus and separation method according to a preferred embodiment of the present invention will be described in detail below.
Example 1
As shown in fig. 1-8, the liquid-cooling, extraction and permeation separation equipment for the birch extract comprises a bracket 1, wherein an automatic rotating roll-over stand 2 is arranged on the outer side of the bracket 1, a pressure cylinder 3 is welded in the roll-over stand 2, a connecting rod 5 is arranged on the outer side of the roll-over stand 2, reverse osmosis pipes 6 capable of automatically overturning are arranged at two ends of the connecting rod 5, sealing connectors 4 are arranged at two ends of the pressure cylinder 3, and the sealing connectors 4 can be in sealing connection with two ends of the reverse osmosis pipes 6;
the outside of the pressure cylinder 3 is provided with a liquid inlet pipe 31, the outside of the liquid inlet pipe 31 is in threaded connection with a sealing cover 32, the outside of the pressure cylinder 3 is provided with two groups of air inlet pipes 33, the outsides of the two groups of air inlet pipes 33 are respectively provided with an electromagnetic valve 34, the two groups of electromagnetic valves 34 are simultaneously connected to an air pressure connecting pipe 35, the air pressure connecting pipe 35 is communicated with an external high-pressure air source, the inside of the pressure cylinder 3 is provided with two groups of inner valve cores 36, both ends of the inner valve cores 36 are in conical design, liquid backflow is facilitated, the inner wall of the sealing connector 4 is provided with an elastic cross brace 41, one side of the elastic cross brace 41, which is close to the pressure cylinder 3, is provided with a valve rod 42, the valve rod 42 can be in sealing connection with the inner valve cores 36, and the inside of the valve rod 42 is provided with a one-way backflow valve 46;
reverse osmosis membrane 65 is provided with in the inside of reverse osmosis tube 6, and the inside of reverse osmosis tube 6 is provided with fixed stull 66, and the inside sliding connection of reverse osmosis tube 6 has piston air pressure board 67, is provided with extension spring 68 between piston air pressure board 67 and the fixed stull 66, is provided with the cavity between reverse osmosis membrane 65 and the piston air pressure board 67, and the outside of reverse osmosis tube 6 is provided with fluid-discharge tube 63, and fluid-discharge tube 63 is linked together with the cavity, and is close to reverse osmosis membrane 65, and the exit of fluid-discharge tube 63 is provided with check valve 64.
When in use, the sealing cover 32 is unscrewed, birch juice is injected into the pressure cylinder 3 from the liquid inlet pipe 31, after the injection is completed, the sealing cover 32 is screwed, then the electromagnetic valve 34 on the upper air inlet pipe 33 is controlled to be opened, high-pressure gas enters the pressure cylinder 3 from above the birch juice through the air pressure connecting pipe 35 and the upper air inlet pipe 33, under the action of high pressure, the birch juice pushes the valve rod 42 to descend, the valve rod 42 bends the elastic cross brace 41, the valve rod 42 is far away from the inner valve core 36, the birch juice is subjected to reverse osmosis concentration through the reverse osmosis membrane 65 in the lower reverse osmosis pipe 6, the concentrated birch juice is remained in the pressure cylinder 3, the permeated clear liquid is stored in the cavity in the lower reverse osmosis pipe 6 to complete primary concentration, and as part of impurities exist in the birch juice, the impurities are remained on the lower reverse osmosis membrane 65, membrane holes are easy to be blocked, the subsequent reverse osmosis quality is affected, the pneumatic connecting pipe 35 is disconnected from the high-pressure air supply, then the electromagnetic valve 34 is closed, the internal pressure of the pressure cylinder 3 is reduced, the elastic cross brace 41 drives the valve rod 42 to be in sealing connection with the inner valve core 36 under the action of elastic force, meanwhile, the roll-over stand 2 is controlled to rotate, the roll-over stand 2 drives the pressure cylinder 3 to rotate, the pressure cylinder 3 drives the two groups of reverse osmosis pipes 6 to rotate, when the bottom of the pressure cylinder 3 rotates to incline upwards, concentrated solution in the sealing connector 4 flows back into the pressure cylinder 3 through the one-way return valve 46, then the sealing connector 4 is controlled to be far away from the reverse osmosis pipes 6, the sealing connector 4 is close to the pressure cylinder 3, the sealing connector 4 drives the valve rod 42 to be in deep connection with the inner valve core 36, and at the moment, if high-pressure air is wrongly introduced, the valve rod 42 is also in the inner valve core 36 after the elastic cross brace 41 is bent, the concentrated solution is ensured not to be wrongly discharged, both ends of the pressure cylinder 3 are blocked, ensuring that no liquid leakage occurs, the lower reverse osmosis pipe 6 rotates to the upper part, the upper reverse osmosis pipe 6 rotates to the lower part, meanwhile, two groups of reverse osmosis pipes 6 turn over 180 degrees relative to the pressure cylinder 3, at the moment, the reverse osmosis surface of the reverse osmosis membrane 65 in the upper reverse osmosis pipe 6 does not face the pressure cylinder 3, the reverse osmosis surface of the reverse osmosis membrane 65 in the lower reverse osmosis pipe 6 faces the pressure cylinder 3, high-pressure gas is introduced at the moment, the high-pressure gas enters the pressure cylinder 3 from above the birch juice through the pneumatic connecting pipe 35 and the upper air inlet pipe 33, under the action of high pressure, the birch juice pushes the valve rod 42 to descend, the valve rod 42 bends the elastic cross brace 41, the valve rod 42 is far away from the inner valve core 36, the birch juice is concentrated in a reverse osmosis way through the reverse osmosis membrane 65 in the lower reverse osmosis pipe 6, meanwhile, the upper valve rod 42 is far away from the inner valve core 36 under the action of pneumatic pressure, the pneumatic pressure pushes the piston air pressure plate 67 to ascend, the piston air pressure plate 67 presses the reverse osmosis membrane 65 out of the first reverse osmosis membrane 65, back flushing is carried out on the reverse osmosis membrane 65, the condition that the reverse osmosis membrane 65 can be guaranteed to directly concentrate supernatant, and the supernatant can be concentrated by the reverse osmosis membrane 65, and the supernatant can be concentrated by the reverse osmosis membrane concentrate, and the supernatant can be concentrated completely;
the turnover times of the pressure cylinder 3 can be controlled as required, so that the birch juice with different concentrations can be concentrated for multiple times, the birch juice does not need to be transported, the concentration efficiency is high, the concentrated birch juice is discharged through the liquid inlet pipe 31, after the one-way valve 64 is screwed out, and the concentrated clear liquid is discharged through the liquid discharge pipe 63.
Further, the liquid inlet pipes 31 are provided with two groups, the two groups of liquid inlet pipes 31 are symmetrically arranged about the roll-over stand 2, through the design, no matter the pressure cylinder 3 is turned over for odd number or even number, the liquid inlet pipes 31 are arranged above, liquid inlet is more convenient, and the liquid inlet pipes 31 at the bottom can directly discharge liquid.
In a second embodiment, a connection structure of a sealing connector 4 is provided;
as shown in fig. 4-6, the two ends of the pressure cylinder 3 are both provided with a rotating sleeve 37 capable of automatically rotating, the sealing connector 4 is inserted into the rotating sleeve 37, the inner wall of the rotating sleeve 37 is provided with a guide groove, the outer side of the sealing connector 4 is provided with an outer guide bar 43, the outer guide bar 43 is slidably connected in the guide groove, the inner side of the sealing connector 4 is provided with an inner thread, and the two ends of the reverse osmosis tube 6 are both provided with outer threads 61.
Further, a driving motor 39 is installed on the outer side of the pressure cylinder 3, a driving wheel 310 is installed at the output end of the driving motor 39, a transmission shaft 311 is rotatably installed on the outer side of the pressure cylinder 3, a transmission wheel 312 is arranged on the outer side of the transmission shaft 311, the transmission wheel 312 is meshed with the driving wheel 310, driving bevel gears 313 are installed on two ends of the transmission shaft 311, a conical tooth ring 38 is arranged on the outer side of the rotating sleeve 37, and the driving bevel gears 313 are meshed with the conical tooth ring 38.
The driving motor 39 is controlled to rotate, the driving motor 39 drives the driving wheel 310 to rotate, the driving wheel 310 drives the driving wheel 312 to rotate, the driving wheel 312 drives the driving shaft 311 to rotate, the driving shaft 311 drives the two groups of driving bevel gears 313 to rotate, the two groups of driving bevel gears 313 simultaneously drive the two groups of rotating sleeves 37 to rotate through the conical ring 38, the rotating sleeves 37 drive the sealing connector 4 to rotate through the outer conducting strip 43, the sealing connector 4 rotates away from the external thread 61, the sealing connector 4 slides into the rotating sleeves 37, and otherwise the sealing connector 4 is connected to the external thread 61 in a threaded manner, and the connection is convenient.
Example III
As shown in fig. 4 to 6, an inner bottom of the sealing joint 4 is provided with an inner sealing ring 44, a lower rubber ring is arranged at the top of the inner sealing ring 44, convex rings are arranged at two ends of the pressure cylinder 3, and the outer diameter of the convex rings is larger than the inner diameter of the inner sealing ring 44.
Further, a sealing groove 45 is formed in the top of the sealing connector 4, an upper rubber ring is arranged in the sealing groove 45, and the reverse osmosis pipe 6 can be inserted into the sealing groove 45.
The sealing joint 4 is connected with the pressure cylinder 3 and the reverse osmosis pipe 6 with high tightness by the arrangement of the inner sealing ring 44 and the sealing groove 45.
Example IV
As shown in fig. 1, the top and the bottom of the bracket 1 are respectively provided with an arc toothed plate 13, the rotation centers of the reverse osmosis pipes 6 are respectively fixedly connected with a rotating wheel 62, the rotating wheels 62 can be meshed with the arc toothed plates 13, and the rotating wheels 62 rotate 180 degrees after the rotating wheels 62 completely pass through the arc toothed plates 13.
When secondary concentration is needed, the pneumatic connecting pipe 35 is disconnected from the high-pressure air supply, then the electromagnetic valve 34 is closed, the internal pressure of the pressure cylinder 3 is reduced, the elastic cross brace 41 drives the valve rod 42 to be in sealing connection with the inner valve core 36 under the action of elastic force, meanwhile, the turnover frame 2 is controlled to rotate, the turnover frame 2 drives the pressure cylinder 3 to rotate, the pressure cylinder 3 drives the two groups of reverse osmosis pipes 6 to rotate, when the bottom of the pressure cylinder 3 rotates to incline upwards, concentrated liquid in the sealing joint 4 flows back into the pressure cylinder 3 through the one-way backflow valve 46, then the driving motor 39 is controlled to rotate, the driving motor 39 drives the driving wheel 310 to rotate, the driving wheel 312 drives the transmission shaft 311 to rotate, the transmission shaft 311 drives the two groups of driving bevel gears 313 to rotate, the two groups of driving bevel gears 313 simultaneously drive the two groups of rotating sleeves 37 to rotate through the conical ring 38, the rotating sleeve 37 drives the sealing connector 4 to rotate through the outer guide strip 43, the sealing connector 4 rotates away from the external thread 61, the sealing connector 4 slides into the rotating sleeve 37, the sealing connector 4 is far away from the reverse osmosis tube 6, the sealing connector 4 is close to the pressure tube 3, the sealing connector 4 drives the valve rod 42 to be deeply inserted into the inner valve core 36, at the moment, the rotating wheel 62 is meshed with the arc toothed plate 13, the rotating wheel 62 rotates under the action of the arc toothed plate 13, the rotating wheel drives the reverse osmosis tube 6 to rotate relative to the pressure tube 3, after the pressure tube 3 rotates 180 degrees, two groups of reverse osmosis tubes 6 are turned 180 degrees relative to the pressure tube 3, at the moment, the reverse osmosis surface of the reverse osmosis membrane 65 in the upper reverse osmosis tube 6 does not face the pressure tube 3, the reverse osmosis surface of the reverse osmosis membrane 65 in the lower reverse osmosis tube 6 faces the pressure tube 3, no additional driving is needed, and the structure is compact.
Further, the outside of the support 1 is provided with a mounting leg 11, the outside of the support 1 is provided with a turnover motor 12, the turnover motor 12 is positioned in the mounting leg 11, and the output end of the turnover motor 12 is fixedly connected with the turnover frame 2.
Example five
A liquid-cooled extraction and permeation separation method of birch extract juice comprises the following steps:
s1, pretreatment: adding suspended particles and colloid into birch extract juice, adsorbing large and small particles, adding chemical agent to coagulate pigment floccule, and intercepting and filtering with fine sand.
S2, crude concentration: injecting pretreated birch extract juice into a pressure cylinder 3 through a liquid inlet pipe 31, injecting high-pressure gas into the pressure cylinder 3, performing primary reverse osmosis concentration through a reverse osmosis membrane 65 in a reverse osmosis pipe 6 below, and storing primary clear water liquid obtained by reverse osmosis concentration in the reverse osmosis pipe 6;
s3, fine concentration: by controlling the pressure cylinder 3 and the reverse osmosis pipe 6 to turn over, the new reverse osmosis pipe 6 rotates to the lower side, and then secondary concentration is performed, and meanwhile, high-pressure gas is supplied to the upper reverse osmosis pipe 6, and the primary clear water liquid in the inner part is separated into concentrated water and secondary clear liquid through the reverse osmosis membrane 65.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a birch extract juice liquid cooling extraction infiltration splitter, includes support (1), its characterized in that, roll-over stand (2) that can automatic rotate are installed in the outside of support (1), the inside welding of roll-over stand (2) has pressure tube (3), the outside of roll-over stand (2) is provided with connecting rod (5), reverse osmosis pipe (6) that can automatic upset are all installed at the both ends of connecting rod (5), the both ends of pressure tube (3) all are provided with sealing connection head (4), sealing connection head (4) can with reverse osmosis pipe (6) both ends sealing connection, the outside of pressure tube (3) is provided with feed liquor pipe (31), the outside threaded connection of feed liquor pipe (31) has sealed lid (32), the outside of pressure tube (3) is provided with two sets of connecting pipes (33), and the outside of air inlet pipe (33) all is provided with solenoid valve (34), and two sets of solenoid valve (34) connect simultaneously on pneumatic pressure connection pipe (35) are linked together with external air source, pressure connection pipe (3) both ends sealing connection head (4) are provided with inside cross bracing (41) and are provided with pressure tube (41), the valve rod (42) can be inserted in the inner valve core (36) in a sealing way, a one-way backflow valve (46) is arranged in the valve rod (42), a reverse osmosis membrane (65) is arranged in the reverse osmosis pipe (6), a fixed cross brace (66) is arranged in the reverse osmosis pipe (6), a piston air pressure plate (67) is connected in a sliding way in the reverse osmosis pipe (6), a tension spring (68) is arranged between the piston air pressure plate (67) and the fixed cross brace (66), a cavity is arranged between the reverse osmosis membrane (65) and the piston air pressure plate (67), a liquid discharge pipe (63) is arranged on the outer side of the reverse osmosis pipe (6), the liquid discharge pipe (63) is communicated with the cavity and is close to the reverse osmosis membrane (65), and a one-way valve (64) is arranged at the outlet of the liquid discharge pipe (63);
the automatic rotary pressure cylinder is characterized in that rotary sleeves (37) capable of automatically rotating are arranged at two ends of the pressure cylinder (3), the sealing connectors (4) are inserted into the rotary sleeves (37), guide grooves are formed in the inner walls of the rotary sleeves (37), outer guide strips (43) are arranged on the outer sides of the sealing connectors (4), the outer guide strips (43) are slidably connected in the guide grooves, internal threads are formed in the inner sides of the sealing connectors (4), external threads (61) are formed in the two ends of the reverse osmosis pipe (6), a driving motor (39) is arranged on the outer sides of the pressure cylinder (3), driving wheels (310) are arranged at the output ends of the driving motor (39), a transmission shaft (311) is rotatably arranged on the outer sides of the pressure cylinder (3), driving wheels (312) are arranged on the outer sides of the transmission shaft (311), the driving wheels (312) are meshed with the driving wheels (310), driving bevel gears (313) are arranged at two ends of the transmission shaft (311), conical rings (38) are arranged on the outer sides of the rotary sleeves (37), and the driving bevel gears (313) are meshed with the driving bevel gears (38);
the top and the bottom of support (1) all are provided with arc pinion rack (13), the center of rotation of reverse osmosis pipe (6) all fixedly connected with runner (62), runner (62) can mesh with arc pinion rack (13), after runner (62) pass through arc pinion rack (13) completely, runner (62) rotation 180 degrees.
2. The birch extract liquid cooling, extraction and permeation separation equipment according to claim 1, wherein an inner bottom of the sealing connector (4) is provided with an inner sealing ring (44), a lower rubber ring is arranged at the top of the inner sealing ring (44), convex rings are arranged at two ends of the pressure cylinder (3), and the outer diameter of the convex rings is larger than the inner diameter of the inner sealing ring (44).
3. The birch extract liquid cooling extraction permeation separation device according to claim 2, wherein a sealing groove (45) is formed in the top of the sealing connector (4), an upper rubber ring is arranged in the sealing groove (45), and the reverse osmosis pipe (6) can be inserted into the sealing groove (45).
4. The birch extract liquid cooling, extraction and permeation separation equipment according to claim 1, wherein a mounting leg (11) is arranged on the outer side of the support (1), a turnover motor (12) is arranged on the outer side of the support (1), the turnover motor (12) is located in the mounting leg (11), and the output end of the turnover motor (12) is fixedly connected with the turnover frame (2).
5. The birch extract liquid extraction and permeation separation device according to claim 1, wherein two groups of liquid inlet pipes (31) are arranged, and the two groups of liquid inlet pipes (31) are symmetrically arranged about the roll-over stand (2).
6. A method for liquid-cooled, liquid-extracted, permeated and separated birch extract, which adopts the liquid-cooled, liquid-extracted, permeated and separated birch extract device according to any one of claims 1 to 5, and is characterized by comprising the following steps:
s1, pretreatment: adding suspended particles and colloid into birch extract juice, adsorbing large and small particle impurities, adding chemical agent to coagulate pigment floccule, and intercepting and filtering by fine sand;
s2, crude concentration: injecting pretreated birch extract juice into a pressure cylinder (3) through a liquid inlet pipe (31), injecting high-pressure gas into the pressure cylinder (3), performing primary reverse osmosis concentration through a reverse osmosis membrane (65) in a reverse osmosis pipe (6) below, and storing primary clear water liquid obtained through reverse osmosis concentration in the reverse osmosis pipe (6);
s3, fine concentration: through controlling pressure cylinder (3) and reverse osmosis pipe (6) upset, new reverse osmosis pipe (6) rotate to the below, and then secondary concentration, high-pressure gas gives top reverse osmosis pipe (6) pressure simultaneously, and inside first order clear water liquid is separated into dense water and second grade clear liquid through reverse osmosis membrane (65).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410071281.3A CN117582819B (en) | 2024-01-18 | 2024-01-18 | Liquid cooling extraction permeation separation equipment and separation method for birch extract juice |
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| CN202410071281.3A CN117582819B (en) | 2024-01-18 | 2024-01-18 | Liquid cooling extraction permeation separation equipment and separation method for birch extract juice |
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| CN117582819B true CN117582819B (en) | 2024-04-05 |
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| JP2008132442A (en) * | 2006-11-29 | 2008-06-12 | Toyobo Co Ltd | Reverse osmosis membrane module equipped with nozzle covered with film |
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| CN117582819A (en) | 2024-02-23 |
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