CN115317995A - Filter equipment is used in oryzanol production - Google Patents
Filter equipment is used in oryzanol production Download PDFInfo
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- CN115317995A CN115317995A CN202211012900.9A CN202211012900A CN115317995A CN 115317995 A CN115317995 A CN 115317995A CN 202211012900 A CN202211012900 A CN 202211012900A CN 115317995 A CN115317995 A CN 115317995A
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- screen cylinder
- washing
- oryzanol
- cylinder
- screen
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000005406 washing Methods 0.000 claims abstract description 96
- 238000001914 filtration Methods 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 claims abstract description 39
- 239000013078 crystal Substances 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 16
- 241001330002 Bambuseae Species 0.000 claims abstract description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 16
- 239000011425 bamboo Substances 0.000 claims abstract description 16
- 238000002425 crystallisation Methods 0.000 claims abstract description 8
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 239000008187 granular material Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 11
- 238000003916 acid precipitation Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 239000002253 acid Substances 0.000 abstract description 6
- 239000011259 mixed solution Substances 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 13
- 235000019198 oils Nutrition 0.000 description 13
- 241000209094 Oryza Species 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 235000019774 Rice Bran oil Nutrition 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000008165 rice bran oil Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- KSEBMYQBYZTDHS-HWKANZROSA-M (E)-Ferulic acid Natural products COC1=CC(\C=C\C([O-])=O)=CC=C1O KSEBMYQBYZTDHS-HWKANZROSA-M 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- KSEBMYQBYZTDHS-HWKANZROSA-N ferulic acid Chemical compound COC1=CC(\C=C\C(O)=O)=CC=C1O KSEBMYQBYZTDHS-HWKANZROSA-N 0.000 description 1
- 229940114124 ferulic acid Drugs 0.000 description 1
- KSEBMYQBYZTDHS-UHFFFAOYSA-N ferulic acid Natural products COC1=CC(C=CC(O)=O)=CC=C1O KSEBMYQBYZTDHS-UHFFFAOYSA-N 0.000 description 1
- 235000001785 ferulic acid Nutrition 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
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- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
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- 239000002994 raw material Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- QURCVMIEKCOAJU-UHFFFAOYSA-N trans-isoferulic acid Natural products COC1=CC=C(C=CC(O)=O)C=C1O QURCVMIEKCOAJU-UHFFFAOYSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000010497 wheat germ oil Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/045—Cleaning involving contact with liquid using perforated containers, e.g. baskets, or racks immersed and agitated in a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/06—Cleaning involving contact with liquid using perforated drums in which the article or material is placed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07J—STEROIDS
- C07J53/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
- C07J53/002—Carbocyclic rings fused
- C07J53/004—3 membered carbocyclic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to a filtering device for oryzanol production, wherein a rotatable filtering screen cylinder and a flushing screen cylinder are arranged on a rack, the lower end of the filtering screen cylinder is connected with the upper end of the flushing screen cylinder, a liquid inlet is arranged on the filtering screen cylinder, a first liquid collecting hopper is arranged at the lower side of the filtering screen cylinder, a discharge outlet is arranged at the lower end of the flushing screen cylinder, and a second liquid collecting hopper is arranged at the lower side of the flushing screen cylinder; still install in the frame and wear to establish the subassembly that washes in washing a sieve section of thick bamboo, it includes washing water pipe and flow distribution dish to wash the subassembly, this application is through adopting the central axis to set up and rotatable filter sieve section of thick bamboo down sloping, wash a sieve section of thick bamboo, contain this filter equipment for oryzanol production of mixed solution accessible of oryzanol crystal granule after the acid-out crystallization and carry out quick filtration, washing, filter a sieve section of thick bamboo, it rolls from top to bottom many times to wash a sieve section of thick bamboo rotation and make oryzanol crystal granule landing in-process downwards, with the screen cloth striking, can get rid of crystal granule surface adhesion's acid liquid effectively.
Description
Technical Field
The invention relates to a oryzanol extraction technology, in particular to a filtering device for oryzanol production.
Background
Oryzanol is the combined lipid of ferulic acid and phytosterol, and can be extracted from grain oil such as rice bran oil and germ oil; the product is white to off-white crystalline powder, has no odor and special flavor, and is soluble in various oils and fats and insoluble in water. Clinically, oryzanol is often adopted to improve the vegetative nerve function and endocrine regulation, and in addition, the oryzanol also has various physiological effects of oxidation resistance, aging resistance and the like. The oryzanol is mainly present in the raw bran oil and the oil residue thereof, and the content of the oryzanol in the rice bran layer is 0.3-0.5%. The oryzanol is dissolved in the oil when the rice bran is heated and squeezed, and the content of the oryzanol in the common raw bran oil is about 2 to 3 percent; the content of the rice bran oil is slightly different along with different climatic conditions of rice planting, rice varieties and process conditions of oil extraction of the rice bran, and the rice bran of the rice in the frigid zone contains higher oryzanol content than the rice in the tropical zone; high-temperature squeezing and solvent leaching to obtain oil, wherein the content of oryzanol in the crude oil is higher than that in the low-temperature squeezing. In many vegetable oil materials, such as corn germ oil, wheat germ oil, highland barley bran oil, rapeseed oil and the like, the content of oryzanol in the raw bran oil is the highest, so the oryzanol is mostly extracted from the raw bran oil.
For example, chinese patent publication No. CN110294784A discloses a method for extracting oryzanol from rice bran oil refined soapstock, which comprises the following steps: (1) alcohol extraction; (2) solid-liquid separation; (3) deacidifying, degreasing, decoloring and washing; (4) refining; (5) crystallizing; (6) filtering and washing; (7) drying; in the technical scheme, solvents with high toxicity such as methanol and the like are not used, solvent residues in the process are removed, and the oryzanol product meets the export requirement in the final process link of product molding by using edible ethanol; the production process is simple and easy to operate and realize; because the byproduct of rice bran oil refining soapstock produced in the oil industry is used as the raw material, the production cost is low, and the method is suitable for industrial production.
For example, in the device for extracting oryzanol from rice bran crude oil disclosed in the Chinese patent document with the publication number of CN211420028U, a reaction box and a separation box are respectively installed on two sides of the top end of a base, and oryzanol can be prepared by matching the arranged reaction box, the separation box, a feeding pump and the like, so that the device is simple in structure and low in cost; through the matched use of the arranged packing auger and the arc-shaped screen plate, the packing auger can be driven to rotate by another driving motor, the packing auger drives insoluble substances to pass through the strip-shaped opening formed in the top of the second partition plate and fall into the solid-phase cavity, and the reacted materials can be automatically filtered, so that the structure is simple, and the labor intensity of workers is reduced; the solution after acid separation falls into the centrifuge in the separation cavity through the liquid guide pipe, solid-liquid separation is carried out through the centrifuge, the separated oryzanol crystals are remained in the centrifuge, and the liquid is discharged into an external collection box through a liquid discharge pipe arranged on one side of the centrifuge, so that the oryzanol is extracted.
As described above, in the conventional oryzanol extraction process, it is necessary to filter and separate the solution after the acid precipitation crystallization, but the conventional apparatus has problems of insufficient filtration and washing and low efficiency, and improvement is desired.
Disclosure of Invention
The invention aims to provide a filtering device for oryzanol production, which is used for solving the problems of insufficient filtering and washing and low efficiency in the existing oryzanol production process.
In order to solve the problems, the invention provides a filtering device for oryzanol production, wherein a rotatable filtering screen cylinder and a rotatable washing screen cylinder are arranged on a rack, the central axis of the filtering screen cylinder and the central axis of the washing screen cylinder are inclined upwards and downwards, the diameters of screen holes on a screen mesh of the filtering screen cylinder and the washing screen cylinder are smaller than the diameter of oryzanol crystal particles, the lower end of the filtering screen cylinder is connected with the upper end of the washing screen cylinder, a liquid inlet is formed in the filtering screen cylinder, a first liquid collecting hopper is arranged at the lower side of the filtering screen cylinder, a discharge hole is formed at the lower end of the washing screen cylinder, and a second liquid collecting hopper is arranged at the lower side of the washing screen cylinder; the frame is also provided with a washing assembly penetrating through the washing screen drum, the washing assembly comprises a washing water pipe and a flow distribution disc, the central axis of the washing water pipe is superposed with the central axis of the washing screen drum, the flow distribution disc is arranged on the washing water pipe, and a plurality of uniformly arranged spray heads are arranged on the flow distribution disc; the solution after acid precipitation crystallization enters the filtering screen cylinder through the liquid inlet at a preset flow rate for solid-liquid separation, the separated solid particles enter the flushing screen cylinder from the lower end of the filtering screen cylinder, and the solid particles washed by the flushing component in the flushing screen cylinder can be discharged through the discharge port.
The filtering device for oryzanol production provided by the invention also has the following technical characteristics:
furthermore, a first water baffle corresponding to the lower edge of the first liquid collecting hopper is arranged at the lower end of the filtering screen cylinder, a first connecting plate corresponding to the first water baffle is arranged at the upper end of the flushing screen cylinder, and the first connecting plate is fixedly connected with the first water baffle through bolts; and a second water baffle corresponding to the lower edge of the second liquid collecting hopper is arranged at the lower end of the flushing screen cylinder.
Furthermore, the filtering screen cylinder comprises a straight cylinder section and a conical cylinder section, the upper end of the conical cylinder section is connected with the lower end of the straight cylinder section, the lower end of the conical cylinder section is connected with the washing cylinder, and the diameter of the lower end of the conical cylinder section is smaller than that of the upper end of the conical cylinder section.
Further, the diameter of the washing screen cylinder is larger than or equal to that of the straight cylinder section.
Furthermore, the upper end of the flushing water pipe extends into the filtering screen cylinder, a scraping device corresponding to the inner wall of the upper side of the conical cylinder section is further installed on the flushing water pipe, and a water spraying opening communicated with the flushing water pipe is further formed in the scraping device.
Further, the scraper comprises a bottom plate, a scraper and a material collecting plate, the scraper and the material collecting plate are respectively arranged on two sides of the bottom plate, the upper edge of the scraper is close to the inner wall of the conical cylinder section and is used for scraping solid particles adhered to the inner wall of the conical cylinder section, and the upper edge of the material collecting plate is lower than the upper edge of the scraper so that the solid particles scraped by the scraper fall on the bottom plate.
Further, the water spray ports are arranged on the upper edge of the bottom plate and comprise a first water spray port with an opening facing upwards towards the inner wall of the conical cylinder section and a second water spray port with an opening facing downwards towards the bottom plate.
Further, still be equipped with spiral helicine on the inner wall of washing a sieve section of thick bamboo and keep off the material sieve, the nozzle orientation of shower nozzle keep off the material sieve, the diameter of keeping off the sieve mesh on the material sieve is less than the diameter of oryzanol crystal granule.
Further, the material blocking sieve plate comprises an upper sieve plate and a lower sieve plate, the inner edge of the upper sieve plate is connected with the inner edge of the lower sieve plate, and the outer edge of the upper sieve plate and the outer edge of the lower sieve plate are fixed on the inner wall of the washing sieve cylinder.
Furthermore, the lower side of the flow distribution disc is provided with a conical flow distribution plate, the diameter of the upper end of the conical flow distribution plate is larger than that of the lower end of the conical flow distribution plate, the spray head is arranged on the conical flow distribution plate, and the spray nozzle is inclined downwards and outwards.
The invention has the following beneficial effects: through adopting the central axis to set up and rotatable filter sieve section of thick bamboo, wash a sieve section of thick bamboo, the mixed solution accessible that contains oryzanol crystal granule after the acid precipitation crystallization filters, washes with filter equipment fast for the production of oryzanol, and a filter sieve section of thick bamboo, wash a sieve section of thick bamboo and rotate and make oryzanol crystal granule roll from top to bottom many times in-process of landing downwards, with the screen cloth striking, can get rid of crystal granule surface adhesion's acid liquid effectively.
Drawings
Fig. 1 is a schematic structural view of a filtration apparatus for oryzanol production according to an embodiment of the invention;
fig. 2 is a schematic view of the internal structure of a filtration apparatus for oryzanol production according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged view of a portion B of FIG. 2;
FIG. 5 is a schematic diagram of a flushing screen cartridge in an embodiment of the present invention;
FIG. 6 is a schematic diagram of another view of the flushing screen cartridge of FIG. 5;
FIG. 7 is a schematic structural view of a flushing assembly in an embodiment of the present invention;
FIG. 8 is a schematic view of another perspective of the flushing assembly of FIG. 7;
FIG. 9 is a schematic structural view of a scraper according to an embodiment of the present invention;
FIG. 10 is a side view of the scraper of FIG. 9;
FIG. 11 is a cross-sectional view of the scraper in FIG. 9;
fig. 12 is a partially enlarged view of the portion C in fig. 11.
Detailed Description
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the embodiment of the oryzanol production filter device of the invention shown in fig. 1-12, a frame 10 of the oryzanol production filter device is provided with a filtering screen drum 20 and a washing screen drum 30 which are provided with central axes inclined up and down and can rotate, the diameters of screen holes on the screen meshes of the filtering screen drum 20 and the washing screen drum 30 are smaller than the diameters of oryzanol crystal particles, the lower end of the filtering screen drum 20 is connected with the upper end of the washing screen drum 30, a liquid inlet 201 is arranged on the filtering screen drum 20, a first liquid collecting hopper 11 is arranged on the lower side of the filtering screen drum 20, a discharge outlet 301 is arranged on the lower end of the washing screen drum 30, and a second liquid collecting hopper 12 is arranged on the lower side of the washing screen drum 30; the frame 10 is also provided with a washing component 50 penetrating through the washing screen cylinder 30, the washing component 50 comprises a washing water pipe 51 and a distribution disc 52, the central axis of the washing water pipe 51 is overlapped with the central axis of the washing screen cylinder 30, the distribution disc 52 is arranged on the washing water pipe 51, and the distribution disc 52 is provided with a plurality of uniformly arranged spray heads 53; the solution after acid precipitation crystallization enters the filtering screen cylinder 20 through the liquid inlet 201 at a preset flow rate for solid-liquid separation, the separated solid particles enter the washing screen cylinder 30 from the lower end of the filtering screen cylinder 20, and the solid particles washed by the washing component 50 in the washing screen cylinder 30 can be discharged through the discharge port 301;
specifically, when the filtering device for producing oryzanol is used, firstly, a power device is started to drive a filtering screen cylinder and a flushing screen cylinder to rotate together, then, a mixed solution containing oryzanol crystal particles after acid precipitation crystallization is introduced into the filtering screen cylinder through a liquid inlet on the filtering screen cylinder at a preset flow rate, the liquid after acid precipitation passes through a screen on the side wall of the filtering screen cylinder and falls into a first liquid collecting hopper, and the oryzanol crystal particles in the liquid after acid precipitation rotate along with the filtering screen cylinder in the screen and slide downwards, so that solid-liquid separation can be realized quickly and reliably; after the oryzanol crystal particles separated by the filter screen cylinder enter the washing screen cylinder, solid particles rotate along with the washing screen cylinder in the washing screen cylinder and slide downwards, the oryzanol crystal particles can be washed by the washing component to remove acid liquid attached to the surfaces of the crystal particles, the washing water can pass through a screen on the side wall of the washing screen cylinder and fall into the second liquid collecting hopper, the washed oryzanol crystal particles slide downwards in the screen and are discharged through the discharge port, and the rotating washing screen cylinder is matched with the washing component to ensure that the oryzanol crystal particles are fully washed in the washing screen cylinder; preferably, the washing assembly sprays high-pressure atomized water to the crystal particles in the washing screen cylinder through the spray head to improve the washing effect and save water.
This application is through adopting the central axis to set up and rotatable filter sieve section of thick bamboo, wash a sieve section of thick bamboo, contains after the acid out crystallization that oryzanol crystal particles's mixed solution accessible this oryzanol for the production filter equipment carries out quick filtration, washing, filters a sieve section of thick bamboo, washes a sieve section of thick bamboo and rotates and make oryzanol crystal particles roll from top to bottom many times in-process that slides down, with the screen cloth striking, can get rid of crystal particle surface adhesion's acid liquor effectively.
In one embodiment of the present application, preferably, the upper end of the filtering screen drum 20 is provided with a filtering drum cover 21, the annular outer wall of the filtering drum cover is provided with a rolling groove 22 and an outer gear ring 23, the frame 10 is provided with a roller 13 adapted to the rolling groove 22, the frame is further provided with a gear 14 engaged with the outer gear ring 23, and the gear 12 is mounted on the output rotating shaft of the motor 15; a washing cylinder cover 31 is arranged at the lower end of the washing screen cylinder 30, a rolling groove 32 is arranged on the annular side wall of the washing cylinder cover 31, and a roller 16 matched with the rolling groove 32 is arranged on the rack; in this embodiment, the filtering screen drum 20 and the flushing screen drum 30 are combined and supported by the roller 13 and the roller 16 and driven to rotate by the motor 13.
In one embodiment of the present application, preferably, the lower end of the flushing water pipe 51 of the flushing assembly 50 is fixed on the rack 10, the first supporting ring 311 located at the center is arranged in the flushing cylinder cover 31, and the flushing water pipe 51 is arranged in the first supporting ring 311 located at the center of the flushing cylinder cover 31 in a penetrating manner; preferably, the upper end of the flushing water pipe 51 extends into the filtering screen cylinder 20, the filtering screen cylinder 20 is provided with a second support ring 24 positioned in the center, and the flushing water pipe 51 is arranged in the second support ring 24 in a penetrating way, so that the flushing water pipe 51 is reliably installed; the upper end of the flushing water pipe 51 can also upwards extend out of the filtering screen cylinder 20 and is fixedly installed on the rack, the installation mode of the flushing water pipe 51 can be designed as required, and the central axis of the flushing water pipe is ensured to coincide with the central axis of the flushing screen cylinder and the central axis of the filtering screen cylinder.
In one embodiment of the present application, preferably, the lower end of the filtering screen cylinder 20 is provided with a first water baffle 27 corresponding to the lower edge of the first liquid collecting hopper 11, the upper end of the flushing screen cylinder 30 is provided with a first connecting plate 33 corresponding to the first water baffle 27, and the first connecting plate 33 is fixedly connected with the first water baffle 27 through bolts; the lower end of the washing screen cylinder 30 is provided with a second water baffle 34 corresponding to the lower edge of the second liquid collecting hopper 12, so that the filtering screen cylinder 20 and the washing screen cylinder 30 are reliably connected, and filtrate and washing water which are separated by the screen cylinder reliably enter the first liquid collecting hopper and the second liquid collecting hopper to be collected.
In an embodiment of the present application, preferably, the filtering screen drum 20 includes a straight drum section 25 and a conical drum section 26, the upper end of the conical drum section 26 is connected with the lower end of the straight drum section 25, the lower end of the conical drum section 26 is connected with the flushing drum 30, the diameter of the lower end of the conical drum section 26 is smaller than the diameter of the upper end of the conical drum section 26, the speed of the mixed liquid slipping down is reduced by setting the conical drum section, so that the liquid in the mixed liquid entering the conical drum section can be fully filtered, specifically, by controlling the flow rate of the mixed liquid entering the filtering screen drum from the liquid inlet, the mixed liquid containing the oryzanol crystal particles can be fully filtered in the straight drum section 25, the conical drum section can reduce the speed of the solid particles slipping down, so that the solid particles are accumulated in the conical drum section, so that the liquid in the solid particles is separated again in the conical drum section, thereby the effect of solid-liquid separation can be improved, and the filtering is fully performed.
In one embodiment of the present application, it is preferable that the diameter of the washing screen cylinder 30 is greater than or equal to the diameter of the straight cylinder section 20, so that the solid particles of the conical cylinder section can reliably fall into the washing screen cylinder when the filtering screen cylinder rotates, and specifically, when the solid particles of the conical cylinder section fall into the washing screen cylinder when the filtering screen cylinder rotates, the solid particles can again separate the liquid attached to the surface of the washing screen cylinder when the solid particles impact the screen mesh of the washing screen cylinder from top to bottom.
In an embodiment of the present application, preferably, the upper end of the washing water pipe 51 extends into the filtering screen cylinder 20, a scraper 54 corresponding to the upper inner wall of the conical cylinder section 26 is further installed on the washing water pipe 51, a water spraying opening 55 communicated with the washing water pipe 51 is further arranged on the scraper 54, so that oryzanol crystal particles adhered to the inner wall of the conical cylinder section 26 can be scraped by the scraper 54, and the washing water sprayed from the water spraying opening 55 can wash the scraper 54 and the conical cylinder section 26, so that the oryzanol crystal particles smoothly fall into the washing screen cylinder.
In an embodiment of the present application, preferably, as shown in fig. 9 and 10, the scraper 54 includes a bottom plate 541, scrapers 542 and a material collecting plate 543, the scrapers 542 and the material collecting plate 543 are respectively disposed at two sides of the bottom plate 541, an upper edge of the scraper 541 is close to an inner wall of the conical barrel section 26 for scraping solid particles adhered to the inner wall of the conical barrel section 26, the upper edge of the material collecting plate 543 is lower than an upper edge of the scraper 542 so that the solid particles scraped through the scrapers 542 fall onto the bottom plate 541, specifically, when the filtering screen cylinder 20 rotates, the solid particles adhered to the inner wall of the conical barrel section 26 pass through the material collecting plate 543 and pass through the scraper 542 with the screen, since the upper edge of the material collecting plate 543 is lower than the upper edge of the scraper 542, the solid particles adhered to the inner wall of the conical barrel section 26 do not touch the material collecting plate 543 through the material collecting plate 543, the conical barrel section 26 continues to rotate, and the solid particles adhered to the inner wall of the conical barrel section 26 are scraped onto the bottom plate 541 between the scrapers 542 and fall through the flow guiding plate 541, thereby preventing the inner wall of the conical barrel section 541 from washing off the conical barrel.
In one embodiment of the present application, preferably, the upper edge of the bottom plate 541 is provided with water spray nozzles 55, and the water spray nozzles 55 comprise a first water spray nozzle 551 with an opening facing upward toward the inner wall of the conical barrel section 26 and a second water spray nozzle 552 with an opening facing downward toward the bottom plate 541, so that the inner wall of the conical barrel section and the bottom plate can be respectively washed, and the oryzanol crystal particles can smoothly fall into the washing screen drum.
In an embodiment of the present application, preferably, a spiral material blocking sieve plate 32 is further disposed on the inner wall of the washing sieve cylinder 30, a nozzle of the spray head 53 faces the material blocking sieve plate 32, the diameter of a sieve pore on the material blocking sieve plate 32 is smaller than the diameter of the oryzanol crystal particle, and by disposing the spiral material blocking sieve plate 32 on the inner wall of the washing sieve cylinder 30, the spray head can be prevented from rapidly sliding downwards when washing the oryzanol crystal particle in the washing sieve cylinder 30, so as to increase the retention time of the oryzanol crystal particle in the washing sieve cylinder 30, and make the washing more sufficient; the sieve holes on the material blocking sieve plate 32 can enable the washing water to smoothly pass through the material blocking sieve plate 32 and fall down into the second collecting hopper 12. Preferably, the material blocking sieve plate 32 comprises an upper sieve plate 321 and a lower sieve plate 322, an inner edge of the upper sieve plate 321 is connected with an inner edge of the lower sieve plate 322, and an outer edge of the upper sieve plate 321 and an outer edge of the lower sieve plate 322 are both fixed on the inner wall of the washing sieve cylinder 30, so that the material blocking sieve plate 32 is reliably fixed on the inner wall of the washing sieve cylinder 30. Preferably, the lower side of the flow distribution plate 52 is provided with a conical flow distribution plate 521, the diameter of the upper end of the conical flow distribution plate 521 is larger than that of the lower end, the spray head 53 is arranged on the conical flow distribution plate 521, and the spray nozzles are inclined downwards and outwards, so that the solid particles in the washing screen cylinder can be washed through the spray head.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A filtering device for oryzanol production is characterized in that a frame is provided with a filtering screen cylinder and a washing screen cylinder which are arranged in a manner that the central axis is inclined upwards and downwards and can rotate, the diameters of screen meshes on screen meshes of the filtering screen cylinder and the washing screen cylinder are smaller than the diameter of oryzanol crystal particles, the lower end of the filtering screen cylinder is connected with the upper end of the washing screen cylinder, a liquid inlet is formed in the filtering screen cylinder, a first liquid collecting hopper is arranged on the lower side of the filtering screen cylinder, a discharge hole is formed in the lower end of the washing screen cylinder, and a second liquid collecting hopper is arranged on the lower side of the washing screen cylinder; the frame is also provided with a washing component which is arranged in the washing screen cylinder in a penetrating way, the washing component comprises a washing water pipe and a flow distribution disc, the central axis of the washing water pipe is superposed with the central axis of the washing screen cylinder, the flow distribution disc is arranged on the washing water pipe, and a plurality of uniformly arranged spray heads are arranged on the flow distribution disc; the solution after acid precipitation crystallization enters the filtering screen cylinder through the liquid inlet at a preset flow rate for solid-liquid separation, the separated solid particles enter the flushing screen cylinder from the lower end of the filtering screen cylinder, and the solid particles washed by the flushing component in the flushing screen cylinder can be discharged through the discharge port.
2. The filtration device for oryzanol production as claimed in claim 1, wherein: the lower end of the filtering screen cylinder is provided with a first water baffle corresponding to the lower edge of the first liquid collecting hopper, the upper end of the flushing screen cylinder is provided with a first connecting plate corresponding to the first water baffle, and the first connecting plate is fixedly connected with the first water baffle through a bolt; and a second water baffle corresponding to the lower edge of the second liquid collecting hopper is arranged at the lower end of the washing screen drum.
3. The filtration device for oryzanol production as claimed in claim 1, wherein: the filtering screen cylinder comprises a straight cylinder section and a conical cylinder section, the upper end of the conical cylinder section is connected with the lower end of the straight cylinder section, the lower end of the conical cylinder section is connected with the washing cylinder, and the diameter of the lower end of the conical cylinder section is smaller than that of the upper end of the conical cylinder section.
4. The filtration device for oryzanol production as claimed in claim 3, wherein: the diameter of the washing screen cylinder is larger than or equal to that of the straight cylinder section.
5. The filtration device for oryzanol production as claimed in claim 3, wherein: the upper end of the flushing water pipe extends into the filtering screen cylinder, the flushing water pipe is further provided with a scraper corresponding to the inner wall of the upper side of the conical cylinder section, and the scraper is further provided with a water spray nozzle communicated with the flushing water pipe.
6. The filtration device for oryzanol production as claimed in claim 5, wherein: the scraper comprises a bottom plate, a scraper blade and a material collecting plate, the scraper blade and the material collecting plate are respectively arranged on two sides of the bottom plate, the upper edge of the scraper blade is close to the inner wall of the conical cylinder section and is used for scraping solid particles adhered to the inner wall of the conical cylinder section, and the upper edge of the material collecting plate is lower than the upper edge of the scraper blade so that the solid particles scraped by the scraper blade fall on the bottom plate.
7. The filtration device for oryzanol production as claimed in claim 6, wherein: the upper edge of the bottom plate is provided with the water spray nozzles, and the water spray nozzles comprise first water spray nozzles with openings facing upwards to the inner wall of the conical cylinder section and second water spray nozzles with openings facing downwards to the bottom plate.
8. The filtration device for oryzanol production as claimed in claim 7, wherein: still be equipped with spiral helicine on the inner wall of washing a sieve section of thick bamboo and keep off the material sieve, the nozzle orientation of shower nozzle keep off the material sieve, the diameter that keeps off the sieve mesh on the material sieve is less than the diameter of oryzanol crystal granule.
9. The filtration device for oryzanol production as claimed in claim 8, wherein: keep off the material sieve and include upper screen plate, lower screen plate, the interior edge of upper screen plate with the interior edge of lower screen plate links to each other, the outer edge of upper screen plate the outer edge of lower screen plate is all fixed wash on the inner wall of a sieve section of thick bamboo.
10. The filtration device for oryzanol production as claimed in claim 9, wherein: the downside of flow distribution dish is equipped with toper flow distribution plate, the diameter of the upper end of toper flow distribution plate is greater than the diameter of lower extreme, the shower nozzle sets up toper flow distribution plate is last and the nozzle is downward and outwards to incline.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012900.9A CN115317995B (en) | 2022-08-23 | 2022-08-23 | Filtering device for oryzanol production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211012900.9A CN115317995B (en) | 2022-08-23 | 2022-08-23 | Filtering device for oryzanol production |
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| CN115317995B CN115317995B (en) | 2024-02-06 |
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| CN214233061U (en) * | 2020-11-05 | 2021-09-21 | 巨能机械(中国)有限公司 | Multi-section separation centrifugal filter |
| CN216440120U (en) * | 2021-10-29 | 2022-05-06 | 湖南腾旺环保科技有限公司 | Waste collecting device is used in chemical products production |
| CN216755869U (en) * | 2022-01-25 | 2022-06-17 | 山东先卓机电科技有限公司 | Vortex dust remover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876548A (en) * | 1972-06-22 | 1975-04-08 | Hydrocyclonics Corp | Screening method and apparatus |
| US4976853A (en) * | 1989-02-02 | 1990-12-11 | Lee Chung Y | Control valve means for use in a filtration apparatus for treating waste product |
| US20050192173A1 (en) * | 2004-02-07 | 2005-09-01 | Thomas Broadbent & Sons Limited | Washing of separated solids in solid bowl and screen bowl decanting centrifuges |
| CN206415212U (en) * | 2016-12-26 | 2017-08-18 | 深圳市深港产学研环保工程技术股份有限公司 | Sand material cleaning device with sorting function |
| CN211160711U (en) * | 2019-12-03 | 2020-08-04 | 苏州纳美特生物科技有限公司 | Granular pesticide intermediate screening device |
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| CN216755869U (en) * | 2022-01-25 | 2022-06-17 | 山东先卓机电科技有限公司 | Vortex dust remover |
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| CN115317995B (en) | 2024-02-06 |
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