CN116059732A - Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing - Google Patents

Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing Download PDF

Info

Publication number
CN116059732A
CN116059732A CN202310358702.6A CN202310358702A CN116059732A CN 116059732 A CN116059732 A CN 116059732A CN 202310358702 A CN202310358702 A CN 202310358702A CN 116059732 A CN116059732 A CN 116059732A
Authority
CN
China
Prior art keywords
raw material
pipe
liquid inlet
tube
backflow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310358702.6A
Other languages
Chinese (zh)
Other versions
CN116059732B (en
Inventor
蔡洁玲
滕博
蔡锦波
纪桂玲
李宛珊
蔡彦纯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Sangchun Wine Co ltd
Original Assignee
Guangdong Sangchun Wine Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Sangchun Wine Co ltd filed Critical Guangdong Sangchun Wine Co ltd
Priority to CN202310358702.6A priority Critical patent/CN116059732B/en
Publication of CN116059732A publication Critical patent/CN116059732A/en
Application granted granted Critical
Publication of CN116059732B publication Critical patent/CN116059732B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31Self-supporting filtering elements
    • B01D29/33Self-supporting filtering elements arranged for inward flow filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/76Handling the filter cake in the filter for purposes other than for regenerating
    • B01D29/80Handling the filter cake in the filter for purposes other than for regenerating for drying
    • B01D29/82Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
    • B01D29/828Handling the filter cake in the filter for purposes other than for regenerating for drying by compression using screws
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/94Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12HPASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/06Precipitation by physical means, e.g. by irradiation, vibrations
    • C12H1/063Separation by filtration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124Water desalination
    • Y02A20/131Reverse-osmosis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Toxicology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a step-by-step filtering device based on cross flow collection and application thereof in fruit wine brewing, and the step-by-step filtering device comprises a raw material box, wherein a vertical cylinder part is arranged on one side of the raw material box, a bucket-shaped part with an opening at the top is arranged on the upper part of one side of the raw material box, which is far away from the vertical cylinder part, a separation cylinder is arranged on the inner side of the raw material box, which is close to the vertical cylinder part, a metal net cylinder is rotationally arranged in the separation cylinder, a liquid inlet pipe group is rotationally arranged on the top of the metal net cylinder, a backflow pipe group which is coaxially arranged with the metal net cylinder is arranged on the lower part of the raw material box, an internal pressure type reverse osmosis filter element is connected between the liquid inlet pipe group and the backflow pipe group, and a cylindrical separation box is arranged between the internal pressure type reverse osmosis filter element and the metal net cylinder. The invention can carry out preliminary filtration on raw materials, and the metal net cylinder can be driven to rotate by the driving mechanism which is matched with the raw materials, and the filter surface can be cleaned by adding the inclined partition plate which is arranged, so that the blockage is avoided, and the filtration efficiency is improved.

Description

Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing
Technical Field
The invention relates to the technical field of fruit wine brewing, in particular to a step-by-step filtering device based on cross-flow collection and application thereof in fruit wine brewing.
Background
The cross-flow filtration, also called cross-flow filtration, is performed by a pump pushing the feed liquid to flow parallel to the membrane surface, unlike dead-end filtration, in which the shear force generated when the feed liquid flows through the membrane surface carries away particles retained on the membrane surface, thereby keeping the contamination layer at a thinner level. The cross-flow filtration operation is more complicated than dead-end filtration, and cross-flow filtration is generally adopted for feed liquid with solid content higher than 0.5%. With the development of cross-flow filtration technology, there is a trend to replace dead-end filtration in many fields, and the basic principle of cross-flow filtration is to make substances to be filtered perform high-speed circulating motion in filter membrane channels with different pore diameters through a circulating pump. Under the action of pressure, the filtrate is filtered out in a tangential passing mode; the non-filtrate forms turbulence due to high-speed movement, the inner surface of the membrane rod is continuously washed, and a small amount of solid matters attached to the membrane are taken away, so that the blockage of the filter membrane is prevented, and the normal operation of the filter membrane is maintained. The concentration of solid matters is increased and is discharged automatically after the concentration reaches a certain degree, the purpose of solid-liquid separation is finally achieved, the materials used for the cross-flow filtering membrane are generally selected from plastics, polypropylene, polysulfone, polyether sulfone or ceramic membranes, and more are selected from polymeric membranes and ceramic membranes. The filter membrane can be classified into a microporous filter membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane and the like according to different pore diameters. The filter membrane can be divided into a hollow fiber membrane, a capillary membrane, a tubular membrane, a spiral wound membrane, and the like according to different shapes.
In the process of brewing fruit wine, filtering and decoloring of the wine brewing stock solution is required, a lot of wine liquid is remained in the vinasse, filtering treatment is required, and cross-flow filtering equipment is also introduced into the wine brewing industry. However, the existing filtering equipment is easy to accumulate filter residues on the filtering surface, so that the filter residues are blocked, and the filter residues are inconvenient to intensively treat, so that a step-by-step filtering device based on cross flow collection and application of the step-by-step filtering device in fruit wine brewing are provided.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides a step-by-step filtering device based on cross-flow collection and application thereof in fruit wine brewing.
The invention provides a step-by-step filtering device based on cross flow collection, which comprises a raw material box, wherein a vertical cylinder part is arranged on one side of the raw material box, a bucket-shaped part with an opening at the top is arranged on the upper part of one side of the raw material box, a separation cylinder is arranged on the inner side of the raw material box and close to the position of the vertical cylinder part, a metal net cylinder is rotationally arranged in the separation cylinder, a liquid inlet pipe group is rotationally arranged on the top of the metal net cylinder, an arc-shaped connecting part is arranged on the lower part of the separation cylinder, a backflow pipe group which is coaxially arranged with the metal net cylinder is arranged on the lower part of the raw material box, an internal pressure type reverse osmosis filter element is connected between the liquid inlet pipe group and the backflow pipe group, a cylindrical separation cylinder is arranged between the internal pressure type reverse osmosis filter element and the metal net cylinder, a backflow branch pipe group is connected to the lower part of the backflow pipe group, the backflow branch pipe group is communicated with the upper part of the raw material box, an even inclined opening is arranged on the lower part of the separation cylinder, a channel which is matched with the metal net cylinder is arranged on the inclined opening, the metal net cylinder penetrates through the channel, an arc-shaped connecting part is arranged on the separation cylinder, an arc-shaped connecting part is arranged on the lower part of the separation cylinder, a backflow ring is coaxially arranged on the connecting part, a backflow ring is arranged on the annular sealing plate is arranged on the inner side of the annular sealing plate, a sealing plate is arranged near the inner side of the bottom of the annular sealing plate, the bottom of the annular sealing plate is connected with the bottom of the raw material box, and is connected with the top of the raw material box, and is communicated with the upper part of the annular sealing plate, and is arranged near the top a sealing plate, and is arranged near the bottom a bottom sealing plate, and near bottom, and near the bottom.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross flow collection is characterized in that a groove part is formed in the lower part of a raw material box, a material guiding slope plate is arranged in the groove part, a circular channel matched with the groove part is formed in the material guiding slope plate, a slag discharging component is arranged in the circular channel, the slag discharging component comprises a metal shaft rotationally arranged in the groove part, two material pressing spiral blades symmetrically distributed are arranged on the metal shaft, a motor is fixedly arranged on one side of the raw material box, an output shaft of the motor penetrates through the raw material box and is coaxially fixed with one end of the metal shaft, pitches of the two material pressing spiral blades are gradually reduced from the end part of the metal shaft to one side of the middle part, a sewage bent pipe is fixed on the lower part of the side wall of the raw material box, the sewage bent pipe is communicated with the circular channel in the material guiding slope plate, the upper end of the sewage bent pipe is of an opening structure, the upper end of the sewage bent pipe is coaxially provided with a blowing pipe, the lower end of the sewage bent pipe is of the opening structure, and the lower end of the sewage bent pipe is fixedly provided with a discharge valve.
In this preferred scheme, because the last pitch of pressure material helical blade is to setting that one side is progressively decreased, can extrude the filter residue in promotion filter residue motion in-process, the pressure material helical blade of two sets of symmetry settings simultaneously draws close the filter residue to the centre, also can cause certain extrusion effect, can reach certain effect of taking off the dry.
As a further optimization of the technical scheme, according to the step-by-step filtering device based on cross flow collection, the guide blocks are arranged at the positions, close to the guide slope plates, of the bottoms of the raw material boxes, gaps are reserved between the two ends of the guide blocks and the inner walls of the two sides of the raw material boxes, one side, close to the guide slope plates, of the guide blocks is in a V-shaped structure, and a porous structure communicated with the inner sides of the groove parts is arranged at one side, close to the guide blocks, of the guide slope plates.
In this preferred scheme, the filter residue material of counter-propelling in the cooperation sediment subassembly can extrude the filter residue and take off the trunk.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross flow collection comprises a lower sealing plate fixedly connected with the lower part of a raw material box, wherein the retaining ring is fixedly connected with the upper part of the lower sealing plate, a backflow main pipe is coaxially arranged at the lower part of the lower sealing plate, a second butt joint pipe head communicated with the backflow main pipe is arranged at the upper part of the lower sealing plate, the second butt joint pipe head is spliced with the lower end of an internal pressure type reverse osmosis filter element, the side wall of the backflow main pipe is connected with a second pipe orifice communicated with the inside of the backflow main pipe, the second pipe orifice is connected with one end of a backflow branch pipe group, a drain outlet is arranged at the lower end of the backflow main pipe, and a blocking cap is connected with the drain outlet through internal threads.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross-flow collection comprises a driving mechanism, wherein the driving mechanism comprises a motor support arranged at the top of a raw material box, a speed reducing motor is fixed on the motor support, an output shaft of the speed reducing motor is fixedly provided with a driving wheel, a driven wheel is arranged at the middle position of the top of the annular sealing plate, and the driven wheel and the driving wheel are sleeved with the same belt.
In this preferred scheme, actuating mechanism drive metal mesh section of thick bamboo is rotatory to the inclined baffle that sets up with metal mesh section of thick bamboo cooperation can clear up the mesh of metal mesh section of thick bamboo, avoids the filter residue to pile up the jam problem that leads to, can ensure going on smoothly of metal mesh section of thick bamboo filtration process, and the metal mesh section of thick bamboo that sets up simultaneously realizes filtering, reduces the filtration partial pressure of internal pressure formula reverse osmosis filter core, and metal mesh section of thick bamboo and internal pressure formula reverse osmosis filter core have realized graded filtration jointly, the effectual life who prolongs the internal pressure formula reverse osmosis filter core.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross flow collection comprises a liquid inlet main pipe rotationally connected with the top of an annular sealing plate, wherein the lower part of the liquid inlet main pipe is connected with a first butt joint pipe head, the first butt joint pipe head is inserted into the top of an internal pressure type reverse osmosis filter element, a flow collecting nozzle is arranged on the inner side of the first butt joint pipe head, a flushing pipe is arranged on the top of the liquid inlet main pipe, and the side wall of the liquid inlet main pipe is connected with the upper end of the liquid inlet branch pipe.
In the preferred scheme, the stock solution enters the internal pressure type reverse osmosis filter element from the liquid inlet pipe group for filtration.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross flow collection comprises a liquid inlet branch pipe connected with a first pipe orifice, wherein a liquid inlet pump is arranged on the liquid inlet branch pipe in series, a water pump bracket is arranged on the upper part of the separation barrel, and the liquid inlet pump is fixedly connected with the water pump bracket.
In the preferred embodiment, the inlet branch pipe group sucks the primary liquid subjected to the primary filtration into the inlet branch pipe group and pressurizes the liquid.
As a further optimization of the technical scheme, the step-by-step filtering device based on cross flow collection comprises a backflow branch pipe connected with a second pipe orifice, the upper end of the backflow branch pipe is communicated with the inside of the upper end of a raw material box, and a backflow pump is arranged on the backflow branch pipe in series.
In the preferred scheme, the arranged reflux branch pipe group returns the flowing stock solution to the stock box, so that the flow of the stock solution is realized, a filter cake formed on the inner side membrane surface of the internal pressure type reverse osmosis filter element can be avoided, and the blockage is avoided.
As a further optimization of the technical scheme, the cross-flow collection-based step-by-step filtering device is characterized in that the finished product discharging pipe is a filtrate pipe arranged below the lower sealing plate, and a round hole for the filtrate pipe to pass through is formed in the bottom of the raw material box.
The utility model provides an application of stage by stage filter equipment based on cross-flow gathers in fruit wine brewing for decolorization filtration to fruit wine stoste and the stoste separation recovery of fruit wine lees.
In summary, the beneficial effects of the invention are as follows: the invention provides a step-by-step filtering device based on cross-flow collection, which can be used for carrying out preliminary filtration on raw materials through a metal net barrel, and can drive the metal net barrel to rotate by a driving mechanism matched with the metal net barrel, and then a filter surface can be cleaned by adding an inclined baffle plate arranged on the metal net barrel, so that the blockage is avoided, the filtering efficiency is improved, meanwhile, collected filter residues are conveniently and intensively removed by combining a slag discharging component and a sewage discharging bent pipe which are arranged, the cleaning difficulty is reduced, the filter residues can be gathered towards the middle by symmetrically arranged material pressing spiral blades, and the filter residues are extruded to a certain extent by matching with the characteristics of the spiral blades, so that the effect of certain drying is realized.
The invention provides a step-by-step filtering device based on cross flow collection, which realizes the circulation supply of raw material liquid through a reflux branch pipe group, and realizes cross flow filtration by matching with a liquid inlet branch pipe group, so that the generation of filter cakes on the inner side of an internal pressure type reverse osmosis filter element can be reduced, the service life of the filter element can be effectively prolonged, and meanwhile, a flow velocity can be increased by matching with a flow collecting nozzle, a certain turbulence effect is achieved, and the possibility that dirt is adhered to the inner side of the internal pressure type reverse osmosis filter element can be reduced.
Drawings
FIG. 1 is a schematic diagram of a stage-by-stage filtration device based on cross-flow collection according to the present invention;
FIG. 2 is a schematic diagram of the upper structure of a raw material box of a step-by-step filtering device based on cross-flow collection;
FIG. 3 is a schematic side view of a raw material box of a step-by-step filtering device based on cross-flow collection;
fig. 4 is a schematic structural diagram of a step-by-step filtering device based on cross-flow collection to remove a raw material box;
FIG. 5 is a schematic structural view of a separation cylinder of a progressive filtering device based on cross-flow collection;
FIG. 6 is a schematic diagram of a metal mesh drum and a driving mechanism of a step-by-step filtering device based on cross-flow collection;
FIG. 7 is a schematic diagram of a slag discharging assembly of a stage-by-stage filtering device based on cross-flow collection according to the present invention;
FIG. 8 is a schematic sectional view of a cross-flow collection-based metal mesh drum, a cylindrical separator tank and an internal pressure type reverse osmosis filter element of a step-by-step filtration device;
fig. 9 is a schematic structural diagram of a reflux tube set of a progressive filtering device based on cross-flow collection.
In the figure: 1. a raw material box; 101. a bucket-shaped portion; 102. a sewage discharge elbow; 103. blowing a material pipe; 104. a material guiding slope plate; 105. a flow guiding block; 106. a vertical tube portion; 107. a groove portion; 2. a return tube group; 201. a filtrate pipe; 202. a reflow main pipe; 203. a second nozzle; 204. a lower sealing plate; 205. a second butt joint pipe head; 3. a liquid inlet pipe group; 301. a flushing pipe; 302. a liquid inlet main pipe; 303. a first butt joint pipe head; 304. a flow collecting nozzle; 4. a liquid inlet branch pipe group; 401. a liquid inlet branch pipe; 402. a liquid inlet pump; 403. a water pump bracket; 5. a driving mechanism; 501. a motor bracket; 502. a speed reducing motor; 503. a belt; 504. driven wheel; 505. a driving wheel; 6. a reflux branch pipe group; 601. a reflux pump; 602. a return branch pipe; 7. a separation cylinder; 701. an inclined partition plate; 702. a retaining ring; 703. a first nozzle; 8. a metal net drum; 801. an annular sealing plate; 9. a slag discharging component; 901. a motor; 902. a metal shaft; 903. pressing a spiral blade; 10. an internal pressure type reverse osmosis filter element; 11. a cylindrical separation tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 9 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, a step-by-step filtration device based on cross-flow collection comprises a raw material box 1, wherein a vertical cylinder part 106 is arranged on one side of the raw material box 1, a bucket-shaped part 101 with an opening at the top is arranged on the upper part of one side of the raw material box 1 far away from the vertical cylinder part 106, a separation cylinder 7 is arranged on the inner side of the raw material box 1 and close to the position of the vertical cylinder part 106, a metal net cylinder 8 is rotationally arranged in the separation cylinder 7, a liquid inlet pipe group 3 is rotationally arranged on the top of the metal net cylinder 8, a backflow pipe group 2 coaxially arranged with the metal net cylinder 8 is arranged on the lower part of the raw material box 1, an internal pressure type reverse osmosis filter element 10 is connected between the liquid inlet pipe group 3 and the backflow pipe group 2, a cylindrical separation box 11 is arranged between the internal pressure type reverse osmosis filter element 10 and the metal net cylinder 8, a backflow branch pipe group 6 is connected on the lower part of the backflow pipe group 2, the upper part of the reflux branch pipe group 6 is communicated with the upper part of the raw material box 1, an inclined opening is arranged at the lower part of the separation barrel 7, an inclined baffle plate 701 is arranged in the inclined opening, a channel matched with the metal net barrel 8 is arranged on the inclined baffle plate 701, the metal net barrel 8 penetrates through the channel, an arc-shaped connecting part is arranged at the lower part of the separation barrel 7, a retaining ring 702 is arranged at the lower part of the arc-shaped connecting part, the retaining ring 702 is fixedly connected with the inner wall of the bottom of the raw material box 1, a first pipe orifice 703 communicated with the inside of the separation barrel 7 is connected to the side wall of the separation barrel 7 at the position close to the lower part of the inclined baffle plate 701, a liquid inlet branch pipe group 4 communicated with the liquid inlet pipe group 3 is connected to the first pipe orifice 703, an annular sealing plate 801 is arranged at the top of the metal net barrel 8, a driving mechanism 5 used for driving the annular sealing plate 801 and the metal net barrel 8 to rotate is arranged at the top of the raw material box 1, a finished product discharging pipe is arranged at the bottom of the raw material tank 1 and near the position between the internal pressure type reverse osmosis filter element 10 and the cylindrical separation tank 11.
Referring to fig. 1, fig. 2, fig. 3 and fig. 7, the lower part of the raw material tank 1 is provided with a groove part 107, a material guiding slope plate 104 is arranged in the groove part 107, a circular channel matched with the groove part 107 is arranged on the material guiding slope plate 104, a slag discharging component 9 is arranged in the circular channel, the slag discharging component 9 comprises a metal shaft 902 rotationally arranged in the groove part 107, two material pressing spiral blades 903 which are symmetrically distributed are arranged on the metal shaft 902, a motor 901 is fixedly arranged on one side of the raw material tank 1, an output shaft of the motor 901 passes through the raw material tank 1 and is coaxially fixed with one end of the metal shaft 902, pitches of the two material pressing spiral blades 903 are gradually reduced from one end of the metal shaft 902 to one side of the middle part, a sewage discharging elbow 102 is fixedly arranged on the lower part of the side wall of the raw material tank 1, the sewage discharging elbow 102 is communicated with the circular channel in the material guiding slope plate 104, the upper end of the sewage discharging elbow 102 is of an opening structure, the upper end of the sewage discharging elbow 102 is coaxially arranged with a blowing pipe 103, the lower end 102 is of the sewage discharging elbow 102, the lower end 102 is of the opening structure, two material discharging spiral blades are symmetrically arranged on the lower end of the sewage discharging elbow 102, and the two material pressing spiral blades are symmetrically arranged on one side of the sewage discharging elbow 102, and the two filter residues are simultaneously pressed towards one side, and certain filter residues are simultaneously, and the filter residues are gradually reduced, and the filter effect can be pressed.
The utility model discloses a filter residue extrusion and drying device, including raw materials case 1, guide block 105 is provided with in the position department that raw materials case 1 bottom is close to guide slope board 104, leave the clearance between guide block 105 both ends and the inner wall of raw materials case 1 both sides, guide block 105 is close to guide slope board 104 one side and is V style of calligraphy structure, guide slope board 104 is close to guide block 105 one side and is provided with the porous structure of intercommunication recess portion 107 inboard, and the filter residue material of counter-thrust in the cooperation sediment subassembly 9 here can extrude the filter residue and take off the dryness.
Referring to fig. 1, fig. 4, fig. 8 and fig. 9, the backflow tube group 2 comprises a lower sealing plate 204 fixedly connected with the lower part of the raw material box 1, the retaining ring 702 is fixedly connected with the upper part of the lower sealing plate 204, the lower part of the lower sealing plate 204 is coaxially provided with a backflow main tube 202, the upper part of the lower sealing plate 204 is provided with a second butt joint tube head 205 communicated with the backflow main tube 202, the second butt joint tube head 205 is spliced with the lower end of the internal pressure type reverse osmosis filter core 10, the side wall of the backflow main tube 202 is connected with a second tube orifice 203 communicated with the inside of the backflow main tube 202, the second tube orifice 203 is connected with one end of the backflow branch tube group 6, the lower end of the backflow main tube 202 is provided with a drain, and the drain is internally threaded and is connected with a plugging cap.
Referring to fig. 1, fig. 3, fig. 5, fig. 8 and fig. 6, the actuating mechanism 5 includes the motor support 501 that sets up at raw materials case 1 top, be fixed with gear motor 502 on the motor support 501, gear motor 502's output shaft is fixed with action wheel 505, annular shrouding 801 top intermediate position department is provided with from driving wheel 504, from driving wheel 504 and action wheel 505 go up the cover and be equipped with same belt 503 for the rotation of drive metal net section of thick bamboo 8, thereby the inclined baffle 701 that metal net section of thick bamboo 8 cooperation set up can clear up the mesh surface of metal net section of thick bamboo 8, avoid filter residue to pile up the jam problem that leads to, can ensure going on smoothly of metal net section of thick bamboo 8 filtration process, the metal net section of thick bamboo 8 that sets up simultaneously realizes filtering, reduces the filtration partial pressure of internal pressure formula reverse osmosis filter core 10, and metal net section of thick bamboo 8 and internal pressure reverse osmosis filter core 10 have realized graded filtration jointly, the effectual life who prolongs.
Referring to fig. 1, 6 and 8, the liquid inlet pipe group 3 comprises a liquid inlet main pipe 302 rotationally connected with the top of an annular sealing plate 801, a first butt joint pipe head 303 is connected to the lower portion of the liquid inlet main pipe 302, the first butt joint pipe head 303 is spliced with the top of the internal pressure type reverse osmosis filter element 10, a collecting nozzle 304 is arranged on the inner side of the first butt joint pipe head 303, a flushing pipe 301 is arranged on the top of the liquid inlet main pipe 302, the side wall of the liquid inlet main pipe 302 is connected with the upper end of the liquid inlet branch pipe group 4, and raw liquid is filtered by entering the internal pressure type reverse osmosis filter element 10 through the liquid inlet pipe group 3.
Referring to fig. 1, 4 and 5, the liquid inlet branch pipe group 4 includes a liquid inlet branch pipe 401 connected to a first pipe orifice 703, a liquid inlet pump 402 is serially arranged on the liquid inlet branch pipe 401, a water pump bracket 403 is arranged on the upper portion of the separation cylinder 7, the liquid inlet pump 402 is fixedly connected with the water pump bracket 403, and the liquid inlet branch pipe group 4 sucks the primary filtered raw liquid into the liquid inlet pipe group 3 and pressurizes the liquid.
Referring to fig. 1, fig. 4 and fig. 8, the backflow branch pipe group 6 includes a backflow branch pipe 602 connected with the second pipe orifice 203, the upper end of the backflow branch pipe 602 is communicated with the inside of the upper end of the raw material tank 1, a backflow pump 601 is serially arranged on the backflow branch pipe 602, and the arranged backflow branch pipe group 6 returns the raw liquid flowing through the internal pressure type reverse osmosis filter element 10 to the raw material tank 1, so that the flow of the raw liquid is realized, a filter cake on the inner side membrane surface of the internal pressure type reverse osmosis filter element 10 can be avoided, and blockage is avoided.
Referring to fig. 9, the finished product discharging pipe is a filtrate pipe 201 arranged below a lower sealing plate 204, and a round hole for the filtrate pipe 201 to pass through is arranged at the bottom of the raw material box 1.
When the device is used, the raw material tank 1 is arranged on a proper working platform, fruit wine stock solution or fruit wine lees are put into the raw material tank 1 through the bucket-shaped part 101, liquid passes through the metal net barrel 8 for preliminary filtration under the action of liquid pressure and the liquid inlet branch pipe group 4, and is concentrated in a gap between the separation barrel 7 and the cylindrical separation box 11, the preliminarily filtered stock solution is input into the liquid inlet pipe group 3 through the liquid inlet branch pipe group 4 and is sprayed into the internal pressure type reverse osmosis filter element 10 through the flow collecting nozzle 304 in the liquid inlet pipe group 3, at the moment, the pressure of the inner side of the internal pressure type reverse osmosis filter element 10 is higher than the pressure of the outer side of the internal pressure type reverse osmosis filter element, the finished liquid obtained by filtration is stored between the internal pressure type reverse osmosis filter element 10 and the cylindrical separation box 11 and can be discharged through the filter liquid outlet pipe 201, then the stock solution at the inner side of the internal pressure type reverse osmosis filter element 10 is circulated into the raw material tank 1 through the action of the backflow branch pipe group 6, the circulation is carried out, the driving wheel 505, the driven wheel 504 and the belt 503 are matched to drive the annular sealing plate 801 and the metal net barrel 8 to rotate by controlling the gear motor 502 in the driving mechanism 5, as the metal net barrel 8 is tightly attached to the inner wall of the channel on the inclined baffle 701, the filter residue adhered on the surface of the metal net barrel 8 can be scraped off along with the downward rotation process of the metal net barrel 8, the blocking of the net surface of the metal net barrel 8 can be avoided, the filter residue can be pushed to the gap between the guide block 105 and the inner walls on two sides of the raw material box 1 by flushing and the like in the filter residue cleaning process, then the motor 901 in the slag discharging assembly 9 is controlled to work to drive the metal shaft 902 and the material pressing spiral blades 903 to rotate, the filter residue is pushed to the middle position from the two ends of the groove part 107 under the combined action of the two symmetrically arranged material pressing spiral blades 903, the pitch distribution condition of the material pressing helical blade 903 can extrude the filter residue to a certain degree, and can also take place certain extrusion between the filter residue that gathers to the middle part, can play certain filter residue and take off the dry purpose, and blow and pass through the high-pressure air current in the material pipe 103, open the discharge valve on the blowdown return bend 102, can clear up the filter residue, can set up the flushing hole in the one side outer wall downside that the sediment subassembly 9 was kept away from to raw material case 1, can pass through the flushing hole and pass through high-pressure rivers, push away the filter residue of sinking to sediment subassembly 9 department.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be capable of being practiced otherwise than as specifically illustrated and described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a step-by-step filter equipment based on cross-current collection, includes raw material tank (1), its characterized in that, raw material tank (1) one side is provided with riser portion (106), raw material tank (1) is kept away from riser portion (106) one side upper portion and is provided with open-top's bucket portion (101), raw material tank (1) inboard is close to riser portion (106) position department and is provided with separating section of thick bamboo (7), and separating section of thick bamboo (7) rotation is provided with metal mesh tube (8), metal mesh tube (8) top rotation is provided with feed liquor nest of tubes (3), raw material tank (1) lower part is provided with reflux nest of tubes (2) with metal mesh tube (8) coaxial setting, be connected with interior pressure reverse osmosis filter core (10) between feed liquor nest of tubes (3) and the reflux nest of tubes (2), be provided with tube branch of tubes (6) between interior pressure reverse osmosis filter core (10) and the metal mesh tube (8), reflux nest of tubes (6) lower part is connected with reflux branch tube (6), and reflux branch tube (6) upper portion is linked together with raw material tank (1) upper portion. The utility model discloses a filter cartridge filter, including baffle (7), baffle (701) are provided with the passageway with metal mesh tube (8) looks adaptation, and metal mesh tube (8) pass this passageway, baffle (7) lower part is provided with arc connecting portion, and arc connecting portion lower part is provided with holding ring (702), holding ring (702) and raw materials case (1) bottom inner wall fixed connection, baffle (7) lateral wall is close to baffle (701) lower part position department and is connected with inside first mouth of pipe (703) of intercommunication baffle (7), be connected with feed liquor branch pipe (4) of intercommunication feed liquor pipe group (3) on first mouth of pipe (703), metal mesh tube (8) top is provided with annular shrouding (801), raw materials case (1) top is provided with and is used for driving annular shrouding (801) and metal mesh tube (8) rotatory actuating mechanism (5), raw materials case (1) bottom is close to interior pressure formula reverse osmosis case (10) and tube-like filter core position department is provided with the discharging.
2. The step-by-step filtering device based on cross-flow collection according to claim 1, characterized in that, raw material tank (1) lower part is provided with recess portion (107), be provided with guide slope board (104) in recess portion (107), be provided with on guide slope board (104) with the circular passageway of recess portion (107) looks adaptation, be provided with sediment subassembly (9) in the circular passageway, sediment subassembly (9) are including rotating metal shaft (902) that set up in recess portion (107), and are provided with two swage helical blade (903) that are symmetrical distribution on metal shaft (902), raw material tank (1) one side is fixed and is provided with motor (901), and the output shaft of motor (901) pass raw material tank (1) and metal shaft (902) one end coaxial fixation, two the pitch of swage helical blade (903) is progressively set up to middle part one side by the tip of metal shaft (902), raw material tank (1) lateral wall lower part is fixed with sewage drain bend (102), sewage drain bend (102) are fixed with circular bend (102) in guide slope board (104), sewage drain bend (102) and the upper end is provided with blow off valve, sewage drain opening is equipped with drain pipe structure.
3. The step-by-step filtering device based on cross flow collection according to claim 2, wherein a guide block (105) is arranged at the position of the bottom of the raw material box (1) close to a guide slope plate (104), gaps are reserved between two ends of the guide block (105) and inner walls of two sides of the raw material box (1), one side of the guide block (105) close to the guide slope plate (104) is in a V-shaped structure, and a porous structure communicated with the inner side of a groove part (107) is arranged on one side of the guide slope plate (104) close to the guide block (105).
4. A cross-flow collection-based progressive filtration device according to claim 3, wherein the backflow tube group (2) comprises a lower sealing plate (204) fixedly connected with the lower part of the raw material tank (1), the retaining ring (702) is fixedly connected with the upper part of the lower sealing plate (204), the lower part of the lower sealing plate (204) is coaxially provided with a backflow main tube (202), the upper part of the lower sealing plate (204) is provided with a second butt joint tube head (205) communicated with the backflow main tube (202), the second butt joint tube head (205) is inserted into the lower end of the internal pressure type reverse osmosis filter element (10), a second tube orifice (203) communicated with the inside of the backflow main tube (202) is connected with one end of the backflow branch tube group (6), the lower end of the backflow main tube (202) is provided with a drain, and the drain is internally threaded with a plugging cap.
5. The step-by-step filtering device based on cross-flow collection according to claim 4, wherein the driving mechanism (5) comprises a motor bracket (501) arranged at the top of the raw material box (1), a speed reduction motor (502) is fixed on the motor bracket (501), a driving wheel (505) is fixed on an output shaft of the speed reduction motor (502), a driven wheel (504) is arranged at the middle position of the top of the annular sealing plate (801), and the same belt (503) is sleeved on the driven wheel (504) and the driving wheel (505).
6. The step-by-step filtering device based on cross-flow collection according to claim 5, wherein the liquid inlet pipe group (3) comprises a liquid inlet main pipe (302) rotationally connected with the top of an annular sealing plate (801), a first butt joint pipe head (303) is connected to the lower part of the liquid inlet main pipe (302), the first butt joint pipe head (303) is spliced with the top of the internal pressure type reverse osmosis filter element (10), a flow collecting nozzle (304) is arranged on the inner side of the first butt joint pipe head (303), a flushing pipe (301) is arranged on the top of the liquid inlet main pipe (302), and the side wall of the liquid inlet main pipe (302) is connected with the upper end of the liquid inlet branch pipe group (4).
7. The cross-flow collection-based progressive filtration device of claim 6, wherein the liquid inlet branch pipe group (4) comprises a liquid inlet branch pipe (401) connected with a first pipe orifice (703), liquid inlet pumps (402) are arranged on the liquid inlet branch pipe (401) in series, a water pump bracket (403) is arranged on the upper portion of the separation barrel (7), and the liquid inlet pumps (402) are fixedly connected with the water pump bracket (403).
8. The progressive filtration device based on cross-flow collection according to claim 7, wherein the backflow branch pipe group (6) comprises a backflow branch pipe (602) connected with the second pipe orifice (203), the upper end of the backflow branch pipe (602) is communicated with the inside of the upper end of the raw material box (1), and a backflow pump (601) is arranged on the backflow branch pipe (602) in series.
9. The progressive filtration device based on cross-flow collection according to claim 8, wherein the finished product discharge pipe is a filtrate pipe (201) arranged below a lower sealing plate (204), and a round hole for the filtrate pipe (201) to pass through is arranged at the bottom of the raw material box (1).
10. The use of a cross-flow collection based progressive filtration device according to any one of claims 1 to 9 in fruit wine brewing, characterized in that it is used for decolorization filtration of fruit wine stock and stock separation recovery of fruit wine lees.
CN202310358702.6A 2023-04-06 2023-04-06 Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing Active CN116059732B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310358702.6A CN116059732B (en) 2023-04-06 2023-04-06 Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310358702.6A CN116059732B (en) 2023-04-06 2023-04-06 Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing

Publications (2)

Publication Number Publication Date
CN116059732A true CN116059732A (en) 2023-05-05
CN116059732B CN116059732B (en) 2023-06-23

Family

ID=86182297

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310358702.6A Active CN116059732B (en) 2023-04-06 2023-04-06 Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing

Country Status (1)

Country Link
CN (1) CN116059732B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117502363A (en) * 2024-01-08 2024-02-06 福建云联中汇环保科技有限公司 Water pump convenient to filter impurity

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150083651A1 (en) * 2012-06-01 2015-03-26 Dow Global Technologies Llc Cross-flow filtration system including particulate settling zone
CN204601813U (en) * 2015-05-12 2015-09-02 甘孜州康巴尼玛青稞酒业有限公司 Wine brewing filter plant
CN206950772U (en) * 2017-07-06 2018-02-02 河北海鹰环境安全科技股份有限公司 A kind of Water warfare full-automatic filter
CN113117409A (en) * 2020-01-10 2021-07-16 张海艳 Intelligent residual-settling backwashing cross-flow fruit wine fine filter
CN213942273U (en) * 2020-10-19 2021-08-13 天津市晟源电镀有限公司 Electroplating automation is filter equipment for waste water treatment for production line
CN215427638U (en) * 2021-08-31 2022-01-07 北京莱恩堡葡萄酒业有限公司 Filter equipment is used in grape wine production
CN216986539U (en) * 2022-01-24 2022-07-19 日照东润有机硅股份有限公司 Impurity filtering device for ethyl silicate production

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150083651A1 (en) * 2012-06-01 2015-03-26 Dow Global Technologies Llc Cross-flow filtration system including particulate settling zone
CN204601813U (en) * 2015-05-12 2015-09-02 甘孜州康巴尼玛青稞酒业有限公司 Wine brewing filter plant
CN206950772U (en) * 2017-07-06 2018-02-02 河北海鹰环境安全科技股份有限公司 A kind of Water warfare full-automatic filter
CN113117409A (en) * 2020-01-10 2021-07-16 张海艳 Intelligent residual-settling backwashing cross-flow fruit wine fine filter
CN213942273U (en) * 2020-10-19 2021-08-13 天津市晟源电镀有限公司 Electroplating automation is filter equipment for waste water treatment for production line
CN215427638U (en) * 2021-08-31 2022-01-07 北京莱恩堡葡萄酒业有限公司 Filter equipment is used in grape wine production
CN216986539U (en) * 2022-01-24 2022-07-19 日照东润有机硅股份有限公司 Impurity filtering device for ethyl silicate production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117502363A (en) * 2024-01-08 2024-02-06 福建云联中汇环保科技有限公司 Water pump convenient to filter impurity
CN117502363B (en) * 2024-01-08 2024-05-17 福建云联中汇环保科技有限公司 Water pump convenient to filter impurity

Also Published As

Publication number Publication date
CN116059732B (en) 2023-06-23

Similar Documents

Publication Publication Date Title
CN105478016B (en) A kind of automatic backwash scraping tubular membrane filter device
JP3157867B2 (en) Method and apparatus for backwashing tubular filter membranes
CN116059732B (en) Step-by-step filtering device based on cross-flow collection and application of step-by-step filtering device in fruit wine brewing
JP2000317276A (en) Filtering device
KR102096830B1 (en) Water purification equipment for fish farms
CN116850678B (en) Domestic sewage treatment equipment and method with purification function
CN110054320B (en) Breed sewage pretreatment of equipment
DE4200064C2 (en) Mobile wet cleaning machine
CN215480146U (en) Reverse osmosis purifier who conveniently clears up for waste water treatment
CN200960423Y (en) Filter for lightweight filtering material
CN221385943U (en) Membrane filtration solid-liquid separation device
CN221420854U (en) Anaerobic reactor with sand discharge and scum removal functions
CN221014830U (en) Industrial white oil filter
CN216572462U (en) High-precision cross-flow membrane filtering device
KR100340450B1 (en) Membrane for Water Treatment Using Hollow Fiber
CN209900809U (en) Cross flow filter
CN220387318U (en) Circulation tank capable of being cleaned on line and steel cleaning system
JP7399525B1 (en) Automatic cleaning system for filtration strainers
CN219272384U (en) Micro-filter for sewage treatment
CN116443992B (en) Ultrafiltration membrane equipment
CN117566905B (en) Filtering device of denitrification filter
CN218573012U (en) Centerless drum type multistage solid-liquid separation equipment
AU2011283263B2 (en) A filtration method for operating a filtration module with gas feed at its permeate side to prevent backflow of permeate
CN221051644U (en) Multistage layered microfiltration equipment
KR102379631B1 (en) Small-sized wastewater treatment apparatus for hog farming and animal husbandry

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant