CN110755896A - Pressure filter is used in barley β -amylase extraction - Google Patents
Pressure filter is used in barley β -amylase extraction Download PDFInfo
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- CN110755896A CN110755896A CN201911019928.3A CN201911019928A CN110755896A CN 110755896 A CN110755896 A CN 110755896A CN 201911019928 A CN201911019928 A CN 201911019928A CN 110755896 A CN110755896 A CN 110755896A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/325—Removal of the filter cakes counter-current flushing, e.g. by air bumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/32—Removal of the filter cakes
- B01D25/38—Removal of the filter cakes by moving parts, e.g. scrapers, contacting stationary filter elements sprayers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention belongs to the technical field of filter pressing equipment, and particularly relates to a barley β -amylase extraction filter press which comprises two girders, wherein a hydraulic cylinder is fixed at one end of each girder, a pressing plate is fixed at the output shaft end of the hydraulic cylinder, the hydraulic cylinder is used for driving the pressing plate to move, a baffle plate is fixed at the other end of each girder, which is far away from the hydraulic cylinder, more than two filter frames are movably arranged between the two girders, and water pipes are arranged at the top ends of the pressing plate and the baffle plate.
Description
Technical Field
The invention belongs to the technical field of filter pressing equipment, and particularly relates to a filter press for extracting barley β -amylase.
Background
β -amylase (β -amylase), also called starch β -1, 4-maltosidase, is one of amylase class, widely exists in higher plants such as barley, wheat, sweet potato, soybean, etc. and in microorganisms such as Bacillus, is the main saccharifying agent for beer brewing and maltose (maltose syrup) production, β -amylase produced by microorganisms such as Bacillus polymyxa, Bacillus megaterium, etc. is used to saccharify acidified or α -amylase liquefied starch raw materials, and can produce high maltose syrup with maltose content of 60% -70%.
When the barley β -amylase is used for obtaining a concentrated enzyme solution, a filter pressing step is needed, but the traditional steps are complicated, time and labor are consumed, the filter cake in the filter pressing process contains water, the loss of the filter pressing solution is caused, in addition, the filter cake is not easy to separate from a filter pressing device, the filter pressing efficiency of the enzyme solution is low, and the extraction of the barley β -amylase is influenced;
meanwhile, after the filter press is used, the filter press is difficult to clean due to the characteristics of the filter cake, so that when the filter press is used again, residual impurities affect the normal use of the filter press and the service life of the filter press, and accordingly, the invention provides the filter press for extracting the barley β -amylase.
Disclosure of Invention
In order to make up for the defects of the prior art, the barley β -amylase extraction filter press provided by the invention washes the used filter press by matching the extrusion air bag and the cleaning unit, improves the washing effect of the filter press, and prolongs the service life of the whole filter press.
The invention solves the technical problem by adopting the technical scheme that the barley β -amylase extraction pressure filter comprises two girders, wherein one end of each girder is fixedly provided with a hydraulic cylinder, the output shaft end of each hydraulic cylinder is fixedly provided with a pressing plate, the hydraulic cylinders are used for driving the pressing plates to move, the other ends of the girders, far away from the hydraulic cylinders, are fixedly provided with a baffle plate, more than two filter frames are movably arranged between the two girders, the top ends of the pressing plates and the baffle plates are respectively provided with a water pipe, the water pipes respectively penetrate through the insides of the pressing plates and the baffle plates and are communicated with the inner cavities of the filter frames, the side walls of the filter frames along the length direction of the girders are fixedly provided with rectangular frames, extrusion air bags are fixedly arranged in the rectangular frames, four corners of the extrusion air bags are fixedly arranged on the inner side walls of the rectangular frames through steel wire ropes, the extrusion air bags are connected with air pumps through connecting pipes, the extrusion air bags are used for extruding filter residues, one sides of the filter frames, far away from the baffle plates are fixedly provided with ultrafiltration membranes, the;
a cleaning unit is arranged in the rectangular frame and used for cleaning the filter frame; wherein the filter frame is internally provided with a water passing cavity in a hollow way; the cleaning unit comprises a water inlet pipe, a water spraying head and a convex block; the water inlet pipe is fixedly connected to the side wall of the rectangular frame and is communicated with the water passing cavity; a group of water spraying heads are arranged on the inner side wall of the rectangular frame at equal intervals; the sprinkler head is communicated with the inside of the water passing cavity; the positions of the inner part of the water passing cavity corresponding to the water spraying heads are fixedly connected with convex blocks.
β -amylase β -amyloylase, also called starch β -, -maltosidase, which is one of amylase, widely exists in higher plants such as barley, wheat, sweet potato, soybean and the like and microorganisms such as bacillus, and is a main saccharifying agent for brewing beer and manufacturing maltose syrup, when the barley β -amylase obtains concentrated enzyme liquid, a filter pressing step is needed, the traditional steps need filtering, cleaning and then ultrafiltration, and are relatively complex and time-consuming, meanwhile, the filter cake in the filter pressing process is not easy to separate from a filter pressing device, the filter pressing efficiency is low, the residual raw material slurry in the filter cake is more and is easy to waste, the extraction efficiency of the barley β -amylase is directly influenced, the filter cake enters a cavity of a filter frame, when ultrafiltration operation is carried out, a controller controls a hydraulic station to work, the hydraulic station controls a hydraulic cylinder to drive a pressing plate to move, the pressing plate to press the filter frame on a baffle, so that an inner cavity of the filter frame forms a filter cavity, the raw material slurry is introduced into a water pipe on the pressing plate, the raw material slurry enters the cavity of the filter frame from the water pipe, the air bag is used for cleaning and the air bag for pressing the filter pressing, the filter cake, the air bag, the raw material slurry is not easy to press, the filter cake is not wasted, the filter cake is more, the filter cake is not wasted in the air bag, the air bag is not needed filter pressing device, the air bag, the filter pressing device;
after the filter press is used, the filter press is difficult to clean due to the characteristics of the filter cake, so that when the filter press is used again, residual impurities affect the normal use of the filter press and the service life of the filter press, the filter press is washed by matching the extrusion air bag and the cleaning unit, specifically, the filter cakes of the filter frames are sequentially emptied, then the filter frames are folded again, then the high-pressure pump is used for injecting water into the water inlet pipe on the rectangular frame, water flows in the water passing cavity and then is forcibly sprayed out from the communicated water spray heads, so that the adjacent filter frames and ultrafiltration membranes on two sides are washed, at the moment, one group of filter frames are in a relatively closed state due to the fact that the folding is closed, the washing effect of the water flow is better, at the moment, the extrusion air bag is matched with inflation and air suction, so that the extrusion air bag is intermittently expanded and contracted, and the, the water flow is flushed out disorderly, the flushing effect is further improved, and the service life of the whole filter press is prolonged.
Preferably, a folding airbag is arranged between the adjacent filter frames, two ends of the folding airbag are respectively fixed on the side walls of the adjacent filter frames, the folding airbag is communicated with the extrusion airbag through an air pipe, an electromagnetic valve is arranged in the middle of the air pipe, the folding airbag is used for supplementing gas for the extrusion airbag, during operation, the extrusion airbag needs to be inflated during operation, the extrusion airbag needs larger pressure during inflation, the requirement on an air pump is larger, the folding airbag is arranged, when the filter frames are pressed, the folding airbag is compressed, so that the gas pressure in the folding airbag is increased, when the extrusion airbag extrudes a filter cake, the electromagnetic valve is opened by a controller, so that the gas in the folding airbag enters the extrusion airbag, the extrusion airbag is pressurized, the expansion degree of the extrusion airbag is increased, the extrusion effect of the extrusion airbag is improved, and the compaction degree of the filter cake is further improved, when the filter frames are far away from each other, the folded airbag inhales and stores the gas, so that the folded airbag can continuously work.
Preferably, the four corners of the inner side wall of the filter frame are all fixed with mounting blocks, the side wall of each mounting block is provided with an arc-shaped groove, a connecting rod is movably connected between the diagonal mounting blocks, the middle parts of the connecting rods are connected in a rotating manner through bolts, the two ends of each connecting rod are positioned in the arc-shaped grooves, two elastic ropes are symmetrically fixed between the connecting rods, when the filter press works, a filter cake is positioned between adjacent ultrafiltration membranes and is not easily separated from the filter frame when the filter press works, so that the continuous working efficiency of the filter press device is influenced, the connecting rods are arranged, when the extrusion air bags expand, the extrusion air bags extrude the connecting rods to enable the connecting rods to rotate, the two ends of each connecting rod slide in the arc-shaped grooves, meanwhile, the elastic ropes are tightened by the rotation of the connecting rods, when the extrusion air bags shrink, the acting force of the extrusion air bags on the connecting rods is reduced, the connecting rods generate, the cleaning difficulty of the filter cake is reduced, and the filter pressing efficiency of the filter pressing device is improved.
Preferably, the molecular weight of milipore filter diminishes along with the grow of distance between milipore filter and the clamp plate, the milipore filter is used for concentrated filtration in grades, in operation, the milipore filter molecular weight that is close to clamp plate one end is big, the solute through the milipore filter is many, and the milipore filter molecular weight that keeps away from clamp plate one end is little, the solute through the milipore filter diminishes, make the milipore filter realize the filtration in grades, guaranteed the filtration efficiency of raw materials thick liquid on the one hand, obtain the concentrated enzyme liquid of wanting, on the other hand makes the solute in the raw materials thick liquid reduce gradually through the volume of milipore filter, the filtration burden of milipore filter has been reduced, make the life extension of milipore filter, the.
Preferably, the projection is arranged in an arc shape, and an elastic air bag is fixedly connected to the arc-shaped position. The during operation flows when rivers are crossing the water cavity, when spout from sprinkler bead department afterwards, because this department installs elastic airbag, elastic airbag can take place elastic expansion under the impact force of rivers to change the diameter of this department's rivers, and then produce the effect of local pressure boost, make the impact force from sprinkler bead spun rivers stronger, thereby have better washing effect, further prolonged the life of pressure filter.
The invention has the following beneficial effects:
1. according to the invention, the ultrafiltration membranes with gradually reduced pore diameters are arranged, so that the filter pressing device can be used for carrying out graded concentration on the filter pressing slurry, the stress of each ultrafiltration membrane is uniform, the service life of the ultrafiltration membrane is prolonged, the retained solute in the raw material slurry is uniformly distributed in the filter frame, the phenomenon that the solute is blocked at the ultrafiltration membrane at one end of the pressing plate is avoided, and the filter pressing efficiency is improved; the used filter press is washed by the cooperation of the extrusion air bag and the cleaning unit, so that the washing effect of the filter press is improved, and the service life of the whole filter press is prolonged.
2. The invention utilizes the elastic expansion of the elastic air bag under the impact force of the water flow, thereby changing the diameter of the water flow corresponding to the sprinkler head, further generating the effect of local pressurization, leading the impact force of the water flow sprayed out from the sprinkler head to be stronger, further having better flushing effect and further prolonging the service life of the filter press.
3. According to the invention, water in the filter cake is fully extruded through the extrusion of the extrusion air bag, so that the waste of raw material slurry is reduced, and the extraction efficiency of enzyme liquid is improved.
4. According to the filter press, the connecting rod is arranged to extrude the filter cake in the rotating process, so that the filter cake is quickly crushed and falls off from the filter frame, the separation efficiency of the filter cake and the filter frame is improved, and the filter press efficiency of the filter press device is directly improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a three-dimensional view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the construction of a filter frame and a rectangular frame according to the present invention;
FIG. 4 is a three-dimensional view of a filter frame;
FIG. 5 is a right side partial cross-sectional view of the filter frame;
FIG. 6 is a three-dimensional view of a rectangular box;
FIG. 7 is a partial enlarged view at B in FIG. 6;
in the figure: girder 1, pneumatic cylinder 2, clamp plate 3, baffle 4, filter frame 5, water cavity 51, water pipe 6, rectangle frame 7, wire rope 71, extrusion gasbag 8, milipore filter 9, folding gasbag 10, installation piece 11, connecting rod 12, arc wall 13, stretch cord 14, cleaning unit 15, inlet tube 16, sprinkler bead 17, lug 18, elasticity gasbag 19.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the pressure filter for extracting barley β -amylase, provided by the invention, comprises two girders 1, wherein one end of each girder 1 is fixed with a hydraulic cylinder 2, an output shaft end of each hydraulic cylinder 2 is fixed with a pressure plate 3, the hydraulic cylinders 2 are used for driving the pressure plates 3 to move, the other ends of the girders 1, which are far away from the hydraulic cylinders 2, are fixed with baffle plates 4, more than two filter frames 5 are movably arranged between the two girders 1, the top ends of the pressure plates 3 and the baffle plates 4 are respectively provided with water pipes 6, the water pipes 6 respectively penetrate through the pressure plates 3 and the baffle plates 4 and are communicated with inner cavities of the filter frames 5, the side walls of the filter frames 5 along the length direction of the girders 1 are fixed with rectangular frames 7, extrusion air bags 8 are fixed in the rectangular frames 7, four corners of the extrusion air bags 8 are fixed on the inner side walls of the rectangular frames 7 through steel wire ropes 71, the extrusion air bags 8 are connected with air pumps through connecting pipes, the extrusion air bags 8 are used for extruding filter residues, one side of the filter frames 5, the side walls of the filter frames 5, the hydraulic cylinders 5 are fixed with an ultrafiltration membrane;
a cleaning unit 15 is arranged in the rectangular frame 7, and the cleaning unit 15 is used for cleaning the filter frame 5; wherein, the filter frame 5 is internally provided with a water passing cavity 51 in a hollow way; the cleaning unit 15 comprises a water inlet pipe 16, a water spray head 17 and a lug 18; the water inlet pipe 16 is fixedly connected to the side wall of the rectangular frame 7, and the water inlet pipe 16 is communicated with the water passing cavity 51; a group of water spray heads 17 are arranged on the inner side wall of the rectangular frame 7 at equal intervals; the sprinkler head 17 is communicated with the interior of the water passing cavity 51; the positions of the water passing cavity 51 corresponding to the sprinkler heads 17 are fixedly connected with the convex blocks 18.
β -amylase β -amyloylase, also called starch β -1, 4-maltosidase, is one of amylase, widely exists in higher plants such as barley, wheat, sweet potato, soybean and other microorganisms such as bacillus, is a main saccharifying agent for brewing beer and manufacturing maltose syrup, when the barley β -amylase obtains concentrated enzyme liquid, a filter pressing step is needed, the traditional step needs filtering, cleaning and then ultrafiltration, is relatively complex and time-consuming, meanwhile, the filter cake in the filter pressing process is not easy to separate from the filter pressing device, the filter pressing efficiency is low, more raw material slurry remains in the filter cake, is easy to waste, the extraction efficiency of the barley β -amylase is directly influenced, through the arrangement of the filter frame 5, when ultrafiltration is carried out, a controller controls the hydraulic station to work, the hydraulic cylinder 2 drives the press plate 3 to move, the press plate 3 presses the filter frame 5 onto the baffle plate 4, so that the inner cavity of the filter frame 5 forms a filter cavity, then the filter cavity is introduced into the water pipe 6 on the press plate 3, the air bag 6, the air bag is used for driving the air bag to drive the press plate 3 to move, the air bag to push the filter cake, the air bag is not needed, the air bag to push the filter cake, the filter cake is not needed to push the filter cake, the filter cake can be pressed, the filter cake can be pressed by the air bag, the air bag can be pressed, the filter cake, the air bag can be pressed, the air bag;
after the filter press is used, the filter press is difficult to clean due to the characteristics of filter cakes, so that when the filter press is used again, residual impurities affect the normal use of the filter press and the service life of the filter press, the filter press is washed by matching the extrusion air bag 8 and the cleaning unit 15, specifically, the filter cakes of the filter frame 5 are sequentially emptied, then the filter frame 5 is folded again, then the high-pressure pump is used for injecting water into the water inlet pipe 16 on the rectangular frame 7, so that water flows in the water passing cavity 51 and then is forcibly sprayed out from the communicated water spray heads 17, thereby washing the filter frames 5 and the ultrafiltration membranes 9 at the adjacent positions on two sides, and as the group of filter frames 5 are folded and relatively closed at the moment, the washing effect of the water flow is better, at the moment, the extrusion air bag 8 is matched with inflation and air suction to intermittently expand and contract, the direction of the sprayed water flow is changed, so that the water flow is washed out disorderly, the washing effect is further improved, and the service life of the whole filter press is prolonged.
As a specific embodiment of the invention, a folding airbag 10 is arranged between adjacent filter frames 5, two ends of the folding airbag 10 are respectively fixed on the side walls of the adjacent filter frames 5, the folding airbag 10 is communicated with an extrusion airbag 8 through an air pipe, an electromagnetic valve is arranged in the middle of the air pipe, the folding airbag 10 is used for supplementing air for the extrusion airbag 8, when the extrusion airbag 8 works, the extrusion airbag 8 needs to be inflated, when the extrusion airbag 8 is inflated, a large pressure is needed inside the extrusion airbag 8, the requirement on an air pump is large, the folding airbag 10 is arranged, when the filter frames 5 are pressed, the folding airbag 10 is compressed, so that the air pressure inside the folding airbag 10 is increased, when the extrusion airbag 8 presses a filter cake, a controller opens the electromagnetic valve, so that the air in the folding airbag 10 enters the extrusion airbag 8, the extrusion airbag 8 is pressurized, so that the expansion degree of the extrusion airbag 8 is increased, thereby improve the extrusion effect of extrusion gasbag 8, and then improve the degree of compaction of filter cake, when straining frame 5 and keeping away from each other, folding gasbag 10 inhales gas and stores for folding gasbag 10 can last work.
As a specific embodiment of the invention, the four corners of the inner side wall of the filter frame 5 are all fixed with mounting blocks 11, the side wall of the mounting block 11 is provided with an arc-shaped groove 12, a connecting rod 13 is movably connected between the diagonal mounting blocks 11, the middle part of the connecting rod 13 is rotatably connected through a bolt, two ends of the connecting rod 13 are positioned in the arc-shaped groove 12, two elastic ropes 14 are symmetrically fixed between the connecting rods 13, when the filter press is in work, a filter cake is positioned between adjacent ultrafiltration membranes 9 and is not easy to be separated from the filter frame 5 during cleaning, so that the continuous work efficiency of the filter press device is affected, the connecting rod 13 is arranged, when the extrusion air bag 8 expands, the extrusion air bag 8 extrudes the connecting rod 13 to enable the connecting rod 13 to rotate, two ends of the connecting rod 13 slide in the arc-shaped groove 12, meanwhile, the rotation of the connecting rod 13 enables the elastic ropes 14 to be tightened, at the moment, the connecting rod 13 generates reset rotation under the contraction of the elastic rope 14, so that the filter cake is extruded to deform, the filter cake is broken and falls off from the filter frame 5, the cleaning difficulty of the filter cake is reduced, and the filter pressing efficiency of the filter pressing device is improved.
As a specific embodiment of the present invention, the molecular weight of the ultrafiltration membrane 9 decreases as the distance between the ultrafiltration membrane 9 and the pressure plate 3 increases, and the ultrafiltration membrane 9 is used for fractional concentration filtration, and during operation, the ultrafiltration membrane 9 near the end of the pressure plate 3 has a large molecular weight, and the solute passing through the ultrafiltration membrane 9 is large, while the ultrafiltration membrane 9 far from the end of the pressure plate 3 has a small molecular weight, and the solute passing through the ultrafiltration membrane 9 is small, so that the ultrafiltration membrane 9 realizes fractional filtration, thereby ensuring the filtration efficiency of the raw material slurry to obtain the desired concentrated enzyme solution, and on the other hand, gradually reducing the amount of the solute in the raw material slurry passing through the ultrafiltration membrane 9, reducing the filtration burden of the ultrafiltration membrane 9, prolonging the service life of the ultrafiltration membrane 9, and ensuring the pressure filtration balance inside the pressure.
In an embodiment of the present invention, the protrusion 18 is configured in an arc shape, and an elastic airbag 19 is attached to the arc shape. During operation, when rivers flow in crossing water cavity 51, when spout from sprinkler bead 17 afterwards, because this department installs elasticity gasbag 19, elasticity gasbag 19 can take place the elasticity flexible under the impact force of rivers to change the diameter of this department's rivers, and then produce the effect of local pressure boost, make the impact force of follow sprinkler bead 17 spun rivers stronger, thereby have better washing effect, further prolonged the life of pressure filter.
β -amylase β -amyloylase, also called starch β -1, 4-maltosidase, is one of amylase, widely exists in higher plants such as barley, wheat, sweet potato, soybean and other microorganisms such as bacillus, is a main saccharifying agent for brewing beer and manufacturing maltose syrup, when the barley β -amylase obtains concentrated enzyme liquid, a filter pressing step is needed, the traditional step needs filtering, cleaning and then ultrafiltration, is relatively complex and time-consuming, meanwhile, the filter cake in the filter pressing process is not easy to separate from the filter pressing device, the filter pressing efficiency is low, more raw material slurry remains in the filter cake, is easy to waste, the extraction efficiency of the barley β -amylase is directly influenced, through the arrangement of the filter frame 5, when ultrafiltration is carried out, a controller controls a hydraulic station to work, a hydraulic cylinder 2 drives the press plate 3 to move, the press plate 3 presses the filter frame 5 onto the baffle 4, so that the inner cavity of the filter frame 5 forms a filter cavity, then the filter cavity is introduced into a water pipe 6 on the press plate 3, the air bag is used for driving the press pressing of the press plate 3 to drive the press plate 3 to move, the air bag to drive the air bag to press the filter cake to press the filter slurry, the air bag to press the filter cake, the filter cake is easy to form a dense raw material slurry, the filter cake, the dense filter cake, the air bag is more dense filter cake, the air bag, the filter cake, the dense filter cake, the air bag, the dense filter cake, the air bag, the dense filter cake, the air bag, the filter cake, the dense filter cake, the dense;
after the filter press is used, the filter press is difficult to clean due to the characteristics of filter cakes, so that when the filter press is used again, residual impurities affect the normal use of the filter press and the service life of the filter press, the filter press is washed by matching the extrusion air bag 8 and the cleaning unit 15, specifically, the filter cakes of the filter frame 5 are sequentially emptied, then the filter frame 5 is folded again, then the high-pressure pump is used for injecting water into the water inlet pipe 16 on the rectangular frame 7, so that water flows in the water passing cavity 51 and then is forcibly sprayed out from the communicated water spray heads 17, thereby washing the filter frames 5 and the ultrafiltration membranes 9 at the adjacent positions on two sides, and as the group of filter frames 5 are folded and relatively closed at the moment, the washing effect of the water flow is better, at the moment, the extrusion air bag 8 is matched with inflation and air suction to intermittently expand and contract, the direction of the sprayed water flow is changed, so that the water flow is washed out disorderly, the washing effect is further improved, and the service life of the whole filter press is prolonged.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The barley β -pressure filter for amylase extraction is characterized by comprising two girders (1), a hydraulic cylinder (2) is fixed at one end of each girder (1), a pressing plate (3) is fixed at an output shaft end of the hydraulic cylinder (2), the hydraulic cylinder (2) is used for driving the pressing plate (3) to move, a baffle (4) is fixed at the other end of each girder (1) far away from the hydraulic cylinder (2), more than two filter frames (5) are movably arranged between the girders (1), water pipes (6) are arranged at the top ends of the pressing plate (3) and the baffle (4), the water pipes (6) respectively penetrate through the insides of the pressing plate (3) and the baffle (4) and are communicated with the inner cavity of the filter frame (5), the filter frame (5) is fixed with a rectangular frame (7) along the side wall of the girder (1) in the length direction, an extrusion air bag (8) is fixed in the rectangular frame (7), four corners of the extrusion air bag (8) are fixed on the inner side wall of the rectangular frame (7) through a steel wire rope (71), the extrusion air pump (8) is used for extruding the air pump, the filter frame (9) is used for extruding the hydraulic filter screen (9), and the hydraulic filter screen (9) is used for controlling the hydraulic filter press filter control station, and the hydraulic filter screen (9);
a cleaning unit (15) is arranged in the rectangular frame (7), and the cleaning unit (15) is used for cleaning the filter frame (5); wherein the filter frame (5) is internally provided with a water passing cavity (51) in a hollow way; the cleaning unit (15) comprises a water inlet pipe (16), a water spray head (17) and a lug (18); the water inlet pipe (16) is fixedly connected to the side wall of the rectangular frame (7), and the water inlet pipe (16) is communicated with the water passing cavity (51); a group of water spray heads (17) are arranged on the inner side wall of the rectangular frame (7) at equal intervals; the sprinkler head (17) is communicated with the interior of the water passing cavity (51); the positions of the inner parts of the water passing cavities (51) corresponding to the water spraying heads (17) are fixedly connected with convex blocks (18).
2. The barley β -amylase extraction filter press according to claim 1, wherein a folding air bag (10) is arranged between adjacent filter frames (5), two ends of the folding air bag (10) are respectively fixed on the side walls of the adjacent filter frames (5), the folding air bag (10) is communicated with the extrusion air bag (8) through an air pipe, an electromagnetic valve is arranged in the middle of the air pipe, and the folding air bag (10) is used for supplementing air for the extrusion air bag (8).
3. The barley β -amylase extraction filter press according to claim 2, wherein four corners of the inner side wall of the filter frame (5) are fixed with mounting blocks (11), the side wall of each mounting block (11) is provided with an arc-shaped groove (12), a connecting rod (13) is movably connected between the mounting blocks (11) at opposite corners, the middle parts of the connecting rods (13) are rotatably connected through bolts, two ends of each connecting rod (13) are positioned in the arc-shaped grooves (12), and two elastic ropes (14) are symmetrically fixed between the connecting rods (13).
4. The filter press for extraction of barley β -amylase according to claim 1, wherein the molecular weight of the ultrafiltration membrane (9) becomes smaller as the distance between the ultrafiltration membrane (9) and the pressure plate (3) becomes larger, and the ultrafiltration membrane (9) is used for fractional concentration filtration.
5. The filter press for extraction of barley β -amylase according to claim 1, wherein the protrusion (18) is formed in an arc shape, and the arc shape is connected with the elastic air bag (19).
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| CN201911019928.3A CN110755896B (en) | 2019-10-24 | 2019-10-24 | Filter press for extracting barley beta-amylase |
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| CN201911019928.3A CN110755896B (en) | 2019-10-24 | 2019-10-24 | Filter press for extracting barley beta-amylase |
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| CN110755896B CN110755896B (en) | 2023-06-09 |
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| CN113577856A (en) * | 2021-08-18 | 2021-11-02 | 如东深水环境科技有限公司 | Intelligent high-pressure diaphragm filter press |
| CN113893588A (en) * | 2021-10-12 | 2022-01-07 | 华能嘉祥发电有限公司 | Plate-and-frame filter press with cleaning effect |
| CN116672766A (en) * | 2023-08-04 | 2023-09-01 | 山西炬华新材料科技有限公司 | Alumina preparation filter pressing process and filter pressing device thereof |
| CN117085379A (en) * | 2023-10-19 | 2023-11-21 | 汕头市黄方生物科技有限公司 | Horizontal stacking filter pressing extraction equipment and application thereof in radix puerariae planting extraction production |
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| CN112755598A (en) * | 2020-12-30 | 2021-05-07 | 武汉飞博乐环保工程有限公司 | Dirty sour resourceful treatment system filter pressing device |
| CN112755598B (en) * | 2020-12-30 | 2022-05-24 | 武汉飞博乐环保工程有限公司 | Dirty sour resourceful treatment system filter pressing device |
| CN113577856A (en) * | 2021-08-18 | 2021-11-02 | 如东深水环境科技有限公司 | Intelligent high-pressure diaphragm filter press |
| CN113577856B (en) * | 2021-08-18 | 2022-05-17 | 如东深水环境科技有限公司 | Intelligent high-pressure diaphragm filter press |
| CN113893588A (en) * | 2021-10-12 | 2022-01-07 | 华能嘉祥发电有限公司 | Plate-and-frame filter press with cleaning effect |
| CN116672766A (en) * | 2023-08-04 | 2023-09-01 | 山西炬华新材料科技有限公司 | Alumina preparation filter pressing process and filter pressing device thereof |
| CN116672766B (en) * | 2023-08-04 | 2023-09-26 | 山西炬华新材料科技有限公司 | Alumina preparation filter pressing process and filter pressing device thereof |
| CN117085379A (en) * | 2023-10-19 | 2023-11-21 | 汕头市黄方生物科技有限公司 | Horizontal stacking filter pressing extraction equipment and application thereof in radix puerariae planting extraction production |
| CN117085379B (en) * | 2023-10-19 | 2024-03-08 | 汕头市黄方生物科技有限公司 | Horizontal stacking filter pressing extraction equipment and application thereof in radix puerariae planting extraction production |
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