CN109569051B - Nondestructive grading filtration system for aquaculture water and manufacturing method - Google Patents
Nondestructive grading filtration system for aquaculture water and manufacturing method Download PDFInfo
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- CN109569051B CN109569051B CN201910057729.5A CN201910057729A CN109569051B CN 109569051 B CN109569051 B CN 109569051B CN 201910057729 A CN201910057729 A CN 201910057729A CN 109569051 B CN109569051 B CN 109569051B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000001914 filtration Methods 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000009360 aquaculture Methods 0.000 title claims description 6
- 244000144974 aquaculture Species 0.000 title claims description 6
- 210000001503 joint Anatomy 0.000 claims abstract 3
- 238000007789 sealing Methods 0.000 claims description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000001066 destructive effect Effects 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000004576 sand Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 235000013601 eggs Nutrition 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000009958 sewing Methods 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/05—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported
- B01D29/07—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements supported with corrugated, folded or wound filtering sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/012—Making filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The water nondestructive grading filtering system for cultivation comprises a filtering unit, wherein the filtering unit comprises a filter element and a filter tank, the filter element comprises a plurality of filter screen frames which are arranged in parallel and side by side, each filter screen frame comprises a horizontal ejector rod and side rods which are arranged on two sides of the ejector rod and vertically downwards, two ends of the ejector rod extend out of the side rods to form hanging lugs, a plurality of perforated fixing sheets are arranged on the outer sides of the side rods and parallel to the filter screen frames, and the filter screen is attached to and fixed on each filter screen frame; a long bolt is arranged to pass through the holes of each fixing piece for fixing; the filter tank comprises a tank cover and a tank body, wherein the bottom edge of the tank cover is matched with the top edge of the tank body and is in butt joint and fixed; the filter core is arranged in the tank body, and each filter screen frame is parallel to the side wall of the tank body and is arranged with the same width as the inner wall of the tank body. The manufacturing steps are as follows: manufacturing a filter tank, manufacturing a filter element, assembling and connecting pipelines. The invention can solve the technical problems that the pressure of the filter screen is large, the processing position of the mechanical stranded wire of the filter screen is easy to leak, the filtering is incomplete and independent backflushing is impossible due to concentrated accumulation of large and small particles caused by the non-fine classification of the filtered matters in the traditional device.
Description
Technical Field
The invention relates to the field of culture water filtering systems, in particular to a nondestructive grading filtering system for culture water and a manufacturing method thereof.
Background
In seed cultivation and pond cultivation production, removal of harmful organisms in a cultivation water environment is an important task. Among these, filtration with water is the most critical step. The egg diameter of the pest animals is generally tens of micrometers, and the minimum is only 20 micrometers. The filtering mode for the existing production is that the sand filter tank is filtered by a mesh bag (the filtering mode of sleeving a high-mesh filter mesh bag on a water inlet pipe), the sand filter tank has a history of decades, the filtering principle is that sand and stone with different particle sizes are layered and distributed, and impurities are filtered by using small apertures, the defects are that the tank body is huge in size, difficult to manufacture and unstable in filtering effect, the mesh bag is used for filtering various impurities with different diameters, the filtering pressure is very large, the needle hole distance at the seam of a mechanical stranded wire of the filter screen is in millimeter level, the aperture of the mesh cloth is in micron level, a seam is burst under high water pressure, a leak larger than the mesh appears, harmful organisms larger than the mesh enter the culture water body, and the filter tank is not easy to detach and clean.
The existing filtering device is very simple and crude and consists of a sand filtering tank and a high-mesh filtering net bag, and a bag-shaped filtering net sewn by mechanical stranded wires is bound on a pipeline passing through the filtering tank, so that excessive pressure can be caused to the filtering net by only one layer of filtering net due to the fact that more granular matters with different sizes remain in water after the filtering of the sand filtering tank, and the mechanical stranded wires are sewn to have larger loopholes exceeding the mesh aperture due to excessive pressure, so that the filtering is incomplete, insect eggs and the like enter the filtering water, and damage is caused to cultivation.
In production, a hierarchical filtering system is designed, a plurality of filtering tanks with different meshes are adopted, different sundries are filtered in sequence according to the arrangement of the pore diameters of the meshes from large to small, and the filtering pressure of a single filtering screen is reduced. Meanwhile, the original mechanical stranded wire sewing mode is replaced by a mechanical pressure sealing connection mode, the joint is sealed in a nondestructive mode, and the use effect of the high mesh net is guaranteed. The whole filtering system is also internally provided with a layered backflushing device, so that impurities on the filter screens with different meshes can be conveniently washed, and the defect that the backflushing effect of the sand filter tank is poor and the filtered impurities cannot be timely and thoroughly removed is overcome. Has the advantages of small volume, low cost, simple operation and stable filtering effect.
Disclosure of Invention
Aiming at the defects of the existing device, the invention provides a nondestructive grading filtration system for aquaculture water, which is capable of realizing nondestructive sealing, grading filtration and layered backflushing, and a manufacturing method thereof, and solves the technical problems that the existing device is large in filter screen pressure, easy to leak at the processing position of a mechanical stranded wire of the filter screen, incomplete in filtration and incapable of realizing independent backflushing due to concentrated accumulation of large and small particles caused by the fact that the filtered objects are not graded.
The invention adopts the following technical scheme:
the nondestructive grading filtering system for the water for cultivation comprises a filtering unit, wherein the filtering unit comprises a filter element and a filter tank,
the filter element comprises a plurality of filter screen frames which are arranged side by side in parallel, the filter screen frames comprise a horizontal ejector rod and vertical downward side rods which are arranged on two sides of the ejector rod, two ends of the ejector rod extend out of the side rods to form hanging lugs, the outer sides of the side rods are parallel to the filter screen frames and are provided with a plurality of fixing sheets with holes, the filter screen frames are divided into middle screen frames and side screen frames, the middle screen frames are arranged between the side screen frames on two sides, the middle screen frames are provided with grooves on two sides of the side rods, the side screen frames are provided with grooves on the inner sides of the side rods, the grooves are arranged along the height of the side rods and extend to the top surface of the ejector rod,
the whole filter screen with the same width as the filter screen frames rotates in a serpentine shape, is bent and sequentially attached to the surface of each filter screen frame with the grooves, and is buckled and pressed in the grooves by clamping strips to be fixed; the long bolt with the cap is arranged to penetrate through the holes of each fixing piece, the holes of the fixing pieces are fixed with the outer wall of the long bolt, and the tail end of the long bolt penetrates out of the hole of the most distal fixing piece and is fixed by a nut;
the filter tank comprises a tank cover and a tank body, wherein the tank body is provided with no top and a water outlet is arranged on the bottom surface; the tank cover is in a bottomless reverse cone shape, the cone tip at the top of the tank cover is provided with an opening and is communicated with the water inlet pipe, and the bottom edge of the tank cover is matched, butted and fixed with the top edge of the tank body;
the filter element is arranged in the tank body, a circle of convex edge is arranged on the upper portion of the side wall of the tank body to serve as a filter element frame, and each hanging lug of the filter element frame is hung on the filter element frame.
The groove is a semicircular groove, the holding strip is cylindrical, and the curved surface of the holding strip is buckled and connected with the groove.
A sealing rubber ring, a sealing cover plate and a sealing rubber pad are sequentially arranged between the tank cover and the tank body from top to bottom; connecting plates are arranged on the bottom edge of the tank cover and the top edge of the tank body; screw holes are formed in the connecting plates of the tank cover bottom edge and the tank body top edge, the shape of the sealing rubber ring, the sealing cover plate and the sealing rubber pad are consistent with that of the connecting plates, the sealing rubber ring, the sealing cover plate and the sealing rubber pad are clamped between the two connecting plates, and the connecting plates of the tank cover bottom edge, the sealing rubber ring, the sealing cover plate, the sealing rubber pad and the tank body top edge are fixed into a whole by bolts from top to bottom.
The tail end of the long bolt is provided with threads, the middle part of the long bolt is a polished rod, the polished rod passes through the hole of each fixing piece to be tightly matched, and the tail end of the long bolt is provided with a nut for fastening.
The filtering system comprises a plurality of groups of filtering groups which are arranged in series, and a plurality of parallel identical filtering units are arranged in each group of filtering groups.
The filter meshes in the filter groups at all levels are different, and the filter meshes in the filter groups sequentially become larger from the water inlet end to the water outlet end.
The mesh number of the filter screen in the filter system is 60, 100, 200, 500 and 800 in sequence from the water inlet end to the water outlet end.
The manufacturing method of the nondestructive grading filtration system for the water for cultivation comprises the following steps:
1) Manufacturing a filter tank: the manufacturing method of the tank body comprises the steps of welding an iron plate into a non-cover cuboid, forming a water outlet hole in the bottom, arranging a connecting plate at the edge of the top opening and arranging a threaded hole on the connecting plate, and arranging a circle of convex edges on the upper part of the side wall of the tank body as a filter element frame; the manufacturing method of the tank cover comprises the steps of welding an iron plate into a bottomless cone shape, arranging a water inlet at the cone tip, arranging a connecting plate at the bottom opening of the iron plate, and arranging a threaded hole on the connecting plate; the sealing gasket is manufactured by cutting a rubber gasket with the same shape and size as the connecting plate;
2) Manufacturing a filter element: the filter element is installed by using an external filter element installation frame, the filter element installation frame comprises a rectangular frame surrounded by main rods, vertical support rods are arranged at four corners of the rectangular frame to support the rectangular frame, hanging lugs of the filter element net frame are hung on a pair of main rods opposite to the rectangular frame, a middle net frame is arranged between two side net frames, and grooves of the side net frames face to the inner side; the device comprises a reel and a crank, wherein the outer wall of the reel is provided with a clamping rod groove with the same length as the reel, one end of the crank extends into a central hole of the reel and penetrates out, the outer wall of the crank is fixed with the wall of the central hole of the reel, the rectangular frame is provided with upward mounting rods at two ends of a main rod, bearings are respectively fixed in the pair of mounting rods, the penetrating end of the crank is embedded in one bearing, the rocker arm end of the rocker arm is penetrated out of the other bearing and is in tight fit with an inner hole of the other bearing, and the rocker arm end is connected with a rocker; one end of a filter screen (12) is embedded into the clamping rod groove by a clamping rod to be fixed, the whole filter screen is wound on the scroll and the rocker drives the crank and the scroll to roll up and store; pulling out the winding end of the filter screen, starting from one side net frame, covering the inner face of the side net frame from top to bottom, then covering one face of the middle net frame from bottom to top from the middle net frame adjacent to the side net frame, bypassing the top end of the middle net frame, and covering the other face of the middle net frame from top to bottom until the side net frame covers the inner face of the other side net frame and the filter screen is completely separated from the scroll; pressing the part of the filter screen positioned on the groove into the groove by using a clamping strip for fixation; the long bolt with the cap is arranged to penetrate through the holes of each fixing piece, the holes of the fixing pieces are fixed with the outer wall of the polish rod part of the long bolt, and the tail end of the long bolt penetrates out of the hole of the most distal fixing piece through threads and is fixed by nuts;
3) And (3) assembling: placing the filter element prepared in the step 2) into a filter tank body, hanging each hanging lug of a filter screen frame on the filter element frame, butting the bottom edge connecting plate of the tank cover, the sealing rubber ring, the sealing cover plate, the sealing rubber pad and the top edge connecting plate of the tank body from bottom to top, and fixing the filter element by bolts;
4) And (3) connecting a pipeline: the water inlet of the tank cover is connected with a water inlet pipe provided with a valve, the water outlet of the tank body is connected with a three-way pipe, the other two joints of the three-way pipe are respectively connected with a backflushing pump pipe and a water outlet pipe, and the backflushing pump pipe and the water outlet pipe are respectively provided with the valve.
The invention has the following positive and beneficial effects: the filtering device can realize the step-by-step filtering process of impurities in the aquaculture water, is provided with the independent backflushing device, can realize layered backflushing and multi-tank backup parallel connection, can ensure continuous water supply during backflushing and cleaning of the system during connection, is easy to detach and clean, and can be provided with a plurality of parallel tank bodies according to water consumption and the amount of impurities in water at each stage so as to meet production requirements.
According to the invention, a plurality of groups of filtering groups with different meshes are arranged from large to small according to the meshes, and a plurality of filtering units are arranged in each filtering group, so that particulate impurities with different sizes can be filtered in sequence, and the filtering pressure of a single filter screen is reduced. Meanwhile, the original mechanical stranded wire sewing mode is replaced by a mechanical pressure sealing connecting mode, the joint is sealed in a nondestructive mode, pinhole damage and potential gaps at the stranded wire sewing position are avoided, the reliability of the filter is improved, the risk of tearing and cracking is reduced, and the use effect of the high mesh net is guaranteed.
The filter is convenient to detach, the screen cloth is convenient to replace, a layered backflushing device is further designed in the whole filtering system, impurities on the filter screens with different meshes are convenient to rinse, and the defects that the backflushing effect of the sand filter tank is poor and the filtered impurities cannot be timely and thoroughly removed are overcome. Has the advantages of small volume, low cost, simple operation and stable filtering effect.
Drawings
FIG. 1 is a schematic diagram of the structure of a filter unit of the present invention;
FIG. 2 is a schematic view of the structure of the filter screen bypassing each screen frame before the clamping bars are fixed;
FIG. 3 is a schematic view of the direction of water flow in a filtration unit;
FIG. 4 is a top view of the canister;
FIG. 5 is a side view of the canister;
FIG. 6 is a bottom view of the can lid;
FIG. 7 is a side view of the can lid;
FIG. 8 is a front view of the filter screen mount;
FIG. 9 is a top view of the middle net mount;
FIG. 10 is a top view of the side rack;
FIG. 11 is a schematic view of a screen installed;
FIG. 12 is a schematic illustration of the connection of the crank and reel;
FIG. 13 is a schematic diagram of a series arrangement of multiple sets of filter groups;
fig. 14 is a schematic view of the structure of a sealing rubber ring or sealing cover plate or sealing rubber gasket.
Figure number: 1-filter element, 11-filter screen frame, 111-ejector rod, 112-side rod, 113-hanging lug, 114-fixing piece, 115-groove, 12-filter screen, 14-long bolt, 2-filter tank, 21-tank cover, 22-tank body, 23-water inlet pipe, 24-recoil pump pipe, 25-water outlet pipe, 3-filter element installation frame, 31-rectangular frame, 32-supporting rod, 33-reel, 34-crank, 35-installation rod, 36-bearing and 37-rocker.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The following examples are given for the purpose of illustration only and are not intended to limit the embodiments of the invention. Various other changes and modifications may be made by one of ordinary skill in the art in light of the following description, and such obvious changes and modifications are contemplated as falling within the spirit of the present invention.
The non-destructive grading filtering system for the water for cultivation comprises a filtering unit, wherein the filtering unit comprises a filter element 1 and a filter tank 2,
the filter element 1 comprises a plurality of filter screen frames 11 which are arranged in parallel and side by side, the filter screen frames 11 comprise a horizontal ejector rod 111 and side rods 112 which are arranged at two sides of the ejector rod 111 and vertically downwards, two ends of the ejector rod 111 extend out of the side rods 112 to form hanging lugs 113, a plurality of fixing pieces 114 with holes are arranged at the outer sides of the side rods 112 and parallel to the filter screen frames 11, the filter screen frames 11 are divided into middle frames and side frames, the middle frames are arranged between the side frames at two sides, the middle frames are provided with grooves 115 at two sides of the side rods 112, the side frames are provided with grooves 115 at the inner surfaces of the side rods 112, the grooves 115 are arranged along the height of the side rods 112 and extend to the top surface of the ejector rod 111,
the whole filter screen 12 with the same width as the filter screen frames 11 is in a serpentine rotation, bent and sequentially attached to the surface of each filter screen frame 11 with the groove 115, and buckled and pressed in the groove 115 by a clamping strip to be fixed; the long bolt 14 with the cap is arranged to pass through the holes of each fixing piece 114, the holes of the fixing pieces 114 are fixed with the outer wall of the long bolt 14, and the tail end of the long bolt 14 passes through the holes of the most far end fixing pieces 114 and is fixed by nuts;
the filter tank 2 comprises a tank cover 21 and a tank body 22, wherein the tank body 22 has no top and a water outlet is arranged on the bottom surface; the tank cover 21 is in a bottomless reverse cone shape, the cone tip at the top of the tank cover is provided with an opening and is communicated with the water inlet pipe 23, and the bottom edge of the tank cover 21 is matched, butted and fixed with the top edge of the tank body 22;
the filter element 1 is arranged in the tank body 22, a circle of convex edges are arranged on the upper part of the side wall of the tank body 22 and used as a filter element frame, and each hanging lug of the filter element frame 11 is hung on the filter element frame.
The groove 115 is a semicircular groove, the holding strip is cylindrical, and the curved surface of the holding strip is buckled and connected with the groove 115.
A sealing rubber ring, a sealing cover plate and a sealing rubber pad are sequentially arranged between the tank cover 21 and the tank body 22 from top to bottom; connecting plates are arranged on the bottom edge of the tank cover 21 and the top edge of the tank body 22; screw holes are formed in the connecting plates of the bottom edge of the tank cover 21 and the top edge of the tank body 22, the shape of the sealing rubber ring, the sealing cover plate and the sealing rubber pad are consistent with that of the connecting plates, the sealing rubber ring, the sealing cover plate and the sealing rubber pad are clamped between the two connecting plates, and the connecting plates of the bottom edge of the tank cover 21, the sealing rubber ring, the sealing cover plate, the sealing rubber pad and the top edge of the tank body 22 are fixed into a whole through bolts from top to bottom.
The long bolt 14 is threaded at the end and is a polish rod in the middle, the polish rod passes through the hole of each fixing piece 114 to be tightly matched, and nuts are arranged at the end to fasten the polish rod.
The filtering system comprises a plurality of groups of filtering groups which are arranged in series, and a plurality of parallel identical filtering units are arranged in each group of filtering groups.
The number of the filter screens 12 in each level of the filter group is different, and the number of the filter screens 12 in the filter group is sequentially increased from the water inlet end to the water outlet end.
The number of the filter screen 12 meshes in the filter system is 60, 100, 200, 500 and 800 in sequence from the water inlet end to the water outlet end.
The manufacturing method of the nondestructive grading filtration system for the water for cultivation comprises the following steps:
1) Manufacturing a filter tank 2: the manufacturing method of the tank body 22 is that an iron plate is welded into a cuboid without a cover, a water outlet hole is formed in the bottom, a connecting plate is arranged at the edge of the top opening, a threaded hole is formed in the connecting plate, and a circle of convex edges are arranged at the upper part of the side wall of the tank body 22 and used as a filter element frame; the manufacturing method of the tank cover 21 is that an iron plate is welded into a bottomless cone shape, a water inlet is formed in the cone tip, a connecting plate is arranged at the bottom opening of the cone tip, and a threaded hole is formed in the connecting plate; the sealing gasket is manufactured by cutting a rubber gasket with the same shape and size as the connecting plate;
2) Manufacturing a filter element 1: the filter element 1 is installed by using an external filter element installation frame 3, the filter element installation frame 3 comprises a rectangular frame 31 surrounded by main rods, vertical support rods 32 are arranged at four corners of the rectangular frame 31 to support the rectangular frame 31, lugs 113 of the filter screen frame 11 are hung on a pair of main rods opposite to the rectangular frame 31, a middle net frame is arranged between two side net frames, and grooves 115 of the side net frames face to the inner side; the device comprises a reel 33 and a crank 34, wherein the outer wall of the reel 33 is provided with a clamping rod groove with equal length, one end of the crank 34 extends into a central hole of the reel 33 and penetrates out, the outer wall of the crank 34 is fixed with the wall of the central hole of the reel 33, the rectangular frame 31 is provided with a pair of mounting rods 35 which are upwards arranged at two ends of a main rod, bearings 36 are respectively fixed on the pair of mounting rods 35, the penetrating end of the crank 34 is embedded in one bearing 36, the rocker end of the crank is penetrated out of the other bearing 36 and is tightly matched with the inner hole of the other bearing 36, and the rocker end is connected with a rocker 37; one end of the filter screen 12 is embedded into the clamping rod groove by using a clamping rod to fix, the whole filter screen 12 is wound on the scroll 33, and the rocker 37 drives the crank 34 and the scroll 33 to roll up and store; pulling out the winding end of the filter screen 12, starting from one side net rack, covering the inner surface of the side net rack from top to bottom, then covering one surface of the middle net rack from bottom to top from the middle net rack adjacent to the side net rack, bypassing the top end of the middle net rack, and covering the other surface of the middle net rack from top to bottom until the side net rack covers the inner surface of the other side net rack and the filter screen 12 is completely separated from the scroll 33; pressing the part of the filter screen 12 positioned on the groove 115 into the groove 115 to be fixed by using a clamping strip; the long bolt 14 with the cap is arranged to penetrate through the holes of each fixing piece 114, the holes of the fixing pieces 114 are fixed with the outer wall of the polish rod part of the long bolt 14, and the tail end of the long bolt 14 penetrates out of the holes of the most far fixing pieces 114 through threads and is fixed by nuts;
3) And (3) assembling: placing the filter element 1 prepared in the step 2) into a tank body 22 of a filter tank 2, hanging each hanging lug of the filter screen frame 11 on the filter element frame, butting the bottom edge connecting plate of the tank cover 21, a sealing rubber ring, a sealing cover plate, a sealing rubber gasket and the top edge connecting plate of the tank body 22 from bottom to top, and fixing the two parts by bolts;
4) And (3) connecting a pipeline: the water inlet of the tank cover 21 is connected with a water inlet pipe 23 provided with a valve, the water outlet of the tank body 22 is connected with a three-way pipe, the other two joints of the three-way pipe are respectively connected with a recoil pump pipe 24 and a water outlet pipe 25, and the recoil pump pipe 24 and the water outlet pipe 25 are respectively provided with the valve.
Examples
Manufacturing a tank body 22:
as shown in fig. 4 and 5, an iron plate with the thickness of 5mm is welded into a square box body with the height of 750mm and the width of 590mm, a tubular water outlet with the inner wall diameter of 152mm is arranged on the bottom surface, two valves are arranged on a pipeline through a tee joint, one valve is used for being connected with a water outlet pipe 25, the other valve is used for being connected with a recoil pump pipe 24, and threads with the diameter of 10mm are arranged around the tank opening at the other end, so that the recoil pump pipe can be conveniently combined and sealed with a tank cover.
A convex edge with the width of 10mm and the thickness of 10mm is arranged on the inner wall of the tank at the position 20mm away from the end combined with the tank cover 21 and surrounds the tank.
Manufacturing a can cover 21:
as shown in fig. 6 and 7, iron sheets with the thickness of 5mm are welded into a funnel shape, the top end of the iron sheets is a water inlet pipe 23 with the inner wall diameter of 152mm, a branch communicated backflushing water drain pipe is arranged on the water inlet pipe 23, and valves are arranged on the water inlet pipe 23 and the backflushing water drain pipe. The connecting plate of the bottom opening of the tank cover 21 is provided with a screw hole with the diameter of 10mm, so that the screw hole is convenient to combine with the tank body 22.
The net rack in the manufacture:
as shown in fig. 8 and 9, the upper side is 529mm, the lower side is 489mm, the length is 700mm, the cross section of the ejector rod 111 is square with the side length of 20 mm. Semi-circular grooves 115 with diameters of 5mm are arranged in the middle of the front surface and the back surface. Two groups of perforated fixing sheets 114 are equidistantly arranged on two sides of the middle net rack.
Manufacturing an edge net rack:
as shown in fig. 8 and 10, is similar to a medium net frame structure. The difference is that: only in the middle of the inner face is a semicircular groove 115 of 5mm diameter.
Manufacturing a sealing rubber pad:
is composed of a silica gel plate with the thickness of 5 mm.
Manufacturing a filter element mounting frame 3:
as shown in fig. 11, is made of 25mm square steel pipe.
Manufacturing a reel 33 and a crank 34:
as shown in fig. 11, the reel 33 is made of wood.
Manufacturing a filter screen holding strip:
is a rubber strip which is buckled with the groove 115.
Manufacturing a filter screen 12:
the filter screen 12 was cut to 490mm width and 16 m length and rolled up smoothly with the reel 33 on the cartridge mount 3.
The installation method of the invention comprises the following steps: the whole device is divided into two parts, namely a filter element mounting frame 3 and a filter tank 2. After the reel 33 and the crank 34 are installed, the filter element mounting frame 3 facilitates the installation and the disassembly of the filter screen 12 through the rotation of the reel 33 and the crank 34. When installing the filter screen 12, the filter screen holders 11 are installed together with the filter screen 12 one by one in order. After completion, the capped long pins 14 are inserted into the perforated fixing plates 114 on the sides of the screen frame 11 to fix all the screen frames 11 with the screens 12 mounted thereon and fastened at the ends with nuts. Mesh clamping bars clamp the screen 12 within the recess 115.
The filter tank 2 mainly comprises a tank cover 21, a tank body 22 and a filter element 1, wherein the filter screen 12 and the filter screen frame 12 which are fixed in the last step are integrally placed in the tank body 22, the tank cover 21 and the tank body 22 are fixed into a whole by using bolts, and a sealing rubber ring, a sealing cover plate and a sealing rubber gasket are arranged between the tank cover 21 and the tank body 22.
After the installation is completed, a valve on the water inlet pipe 23 of the tank cover 21 is opened to allow water to enter, water is discharged from the water outlet pipe 25 at the bottom of the tank body 22, and the purpose of filtration is achieved through the filter screens 12 with different meshes in the middle.
The invention can filter out the eggs (20 microns) of harmful animals in the sea water seedling production by using a five-stage filter group.
The water nondestructive grading filtration system for cultivation comprises a tank body 22 and a tank cover 21, wherein a filter screen frame 11 is arranged in the tank body 22 and is vertically arranged. The long screen cloth is rolled up by a crank 34 and a scroll 33, then the middle screen frame and the side screen frames are hung on a rectangular frame 31 of a filter element mounting frame 3, then a filter screen 12 on the scroll 33 is pulled up and clamped according to the mode shown in fig. 2 (the lower filter screen 12 in fig. 2 presents a V-shaped sharp angle, the filter screen 12 is U-shaped after being supported), the front section of a long bolt 14 with a cap at the head is a polished rod, fixing sheets 114 penetrating through the filter screen frames 11 in sequence are tightly matched, the tail ends are threads, the tail ends penetrate out of the outermost fixing sheets 114 and are fastened by nuts, then the finished filter element 1 is placed in a tank body 22, the hanging lugs 113 are hung on the filter element frame, and then a sealing rubber gasket, a sealing cover plate, a sealing rubber ring and a tank cover 21 are sequentially covered and are fixed into a whole.
Closing the backflushing valve during filtering, and opening the valves of the water inlet pipe and the water outlet pipe; after the filtration is completed, the liquid to be filtered is stopped, and a back flushing valve is opened to add the cleaning liquid into the back flushing pump pipe 24 for back flushing.
Claims (3)
1. The manufacturing method of the nondestructive grading filtration system for the water for cultivation is characterized by comprising the following steps of:
(1) Manufacturing a filter tank (2): the manufacturing method of the tank body (22) is that an iron plate is welded into a cuboid without a cover, a water outlet hole is formed in the bottom, a connecting plate is arranged at the edge of the top opening, a threaded hole is formed in the connecting plate, and a circle of convex edges are arranged at the upper part of the side wall of the tank body (22) and used as a filter element frame; the manufacturing method of the tank cover (21) comprises the steps of welding an iron plate into a bottomless cone shape, arranging a water inlet at the cone tip, arranging a connecting plate at the bottom opening of the cone tip, and arranging a threaded hole on the connecting plate; the sealing gasket is manufactured by cutting a rubber gasket with the same shape and size as the connecting plate;
(2) Manufacturing a filter element (1): the filter element (1) is installed by using an external filter element installation frame (3), the filter element installation frame (3) comprises a rectangular frame (31) surrounded by main rods, vertical support rods (32) are arranged at four corners of the rectangular frame (31) to support the rectangular frame (31), hanging lugs (113) of the filter element net frame (11) on a pair of main rods opposite to the rectangular frame (31), the middle net frame is arranged between two side net frames, and grooves (115) of the side net frames face inwards; the device comprises a reel (33) and a crank (34), wherein a clamping rod groove with the same length is formed in the outer wall of the reel (33), one end of the crank (34) stretches into a central hole of the reel (33) and penetrates out, the outer wall of the crank (34) is fixed with the wall of the central hole of the reel (33), mounting rods (35) which are upwards arranged at two ends of a main rod are arranged on a rectangular frame (31), bearings (36) are respectively fixed on the mounting rods (35), the penetrating end of the crank (34) is embedded in one bearing (36), the rocker end of the crank penetrates out of the other bearing (36) and is tightly matched with the inner hole of the other bearing (36), and the rocker end is connected with the rocker (37); one end of the filter screen (12) is embedded into a clamping rod groove to be fixed by a clamping rod, the whole filter screen (12) is wound on a scroll (33) and is wound up and stored by a crank (34) and the scroll (33) driven by a rocker (37); pulling out the winding end of the filter screen (12), starting from one side net frame, covering the inner surface of the side net frame from top to bottom, then covering one surface of the middle net frame from bottom to top from the middle net frame adjacent to the side net frame, bypassing the top end of the middle net frame, and covering the other surface of the middle net frame from top to bottom until the side net frame covers the inner surface of the other side net frame and the filter screen (12) is completely separated from the scroll (33); pressing the part of the filter screen (12) positioned on the groove (115) into the groove (115) to be fixed by using a clamping strip; the long bolt (14) with the cap is arranged to penetrate through the holes of each fixing piece (114), the holes of the fixing pieces (114) are fixed with the outer wall of the polish rod part of the long bolt (14), and the tail end of the long bolt (14) penetrates out of the hole of the most distal fixing piece (114) through threads and is fixed by nuts;
(3) And (3) assembling: putting the filter element (1) prepared in the step (2) into a tank body (22) of a filter tank (2), and hanging each hanging lug of a filter screen frame (11) on the filter element frame; the sealing rubber ring, the sealing cover plate and the sealing rubber pad are sequentially arranged between the tank cover (21) and the tank body (22) from top to bottom, connecting plates are arranged on the bottom edge of the tank cover and the top edge of the tank body, screw holes are formed in the connecting plates on the bottom edge of the tank cover and the top edge of the tank body, the sealing rubber ring, the sealing cover plate and the sealing rubber pad are consistent in shape with the connecting plates and clamped between the two connecting plates, and the bottom edge connecting plates of the tank cover, the sealing rubber ring, the sealing cover plate, the sealing rubber pad and the top edge connecting plates of the tank body are butted from bottom to top and fixed by bolts, so that the connecting plates of the bottom edge connecting plates, the sealing rubber ring, the sealing cover plate, the sealing rubber pad and the top edge of the tank body (22) are fixed into a whole by bolts;
(4) And (3) connecting a pipeline: the water inlet of the tank cover (21) is connected with a water inlet pipe (23) with a valve, the water outlet of the tank body (22) is connected with a three-way pipe, the other two joints of the three-way pipe are respectively connected with a backflushing pump pipe (24) and a water outlet pipe (25), and the backflushing pump pipe (24) and the water outlet pipe (25) are respectively provided with the valve;
the non-destructive grading filtration system for the aquaculture water is manufactured through the steps (1) - (4), and comprises a filtration unit, wherein the filtration unit comprises a filter element (1) and a filter tank (2):
the filter element (1) comprises a plurality of filter screen frames (11) which are arranged in parallel and side by side, the filter screen frames (11) comprise horizontal ejector rods (111) and vertical downward side rods (112) which are arranged on two sides of the ejector rods (111), two ends of each ejector rod (111) extend out of the side rods (112) to form hanging lugs (113), a plurality of fixing plates (114) with holes are arranged on the outer sides of the side rods (112) in parallel with the filter screen frames (11), the filter screen frames (11) are divided into middle frames and side frames, the middle frames are arranged between the side frames on two sides, grooves (115) are arranged on two sides of the side rods (112) of the middle frames, grooves (115) are arranged on the inner surfaces of the side rods (112) along the height of the side rods (112) and extend to the top surfaces of the ejector rods (111),
the whole filter screen (12) with the same width as the filter screen frames (11) rotates in a serpentine shape, is bent and sequentially attached to the surface of each filter screen frame (11) with the groove (115), and is buckled and pressed in the groove (115) to be fixed by a clamping strip; the method comprises the steps that a long bolt (14) with a cap is arranged to penetrate through holes of all fixing plates (114), the holes of the fixing plates (114) are fixed with the outer wall of the long bolt (14), and the tail end of the long bolt (14) penetrates out of the holes of the most-far fixing plates (114) and is fixed by nuts;
the filter tank (2) comprises a tank cover (21) and a tank body (22), wherein the tank body (22) is non-topped and a water outlet is arranged on the bottom surface; the tank cover (21) is in a bottomless reverse cone shape, the cone tip at the top of the tank cover is provided with an opening and is communicated with the water inlet pipe (23), and the bottom edge of the tank cover (21) is matched with the top edge of the tank body (22) and is in butt joint and fixed;
the filter element (1) is arranged in the tank body (22), a circle of convex edges are arranged on the upper portion of the side wall of the tank body (22) and used as a filter element frame, and each hanging lug of the filter element frame (11) is hung on the filter element frame.
2. The method for manufacturing the water nondestructive grading filtration system for cultivation according to claim 1, wherein the groove (115) is a semicircular groove, the holding strip is cylindrical, and the curved surface of the holding strip is buckled with the groove (115); the tail end of the long bolt (14) is provided with threads, the middle part of the long bolt is a polished rod, the polished rod passes through the hole of each fixing piece (114) to be tightly matched, and the tail end of the long bolt is provided with a nut for fastening.
3. The method for manufacturing a nondestructive grading filtration system for aquaculture according to claim 1, wherein the filtration system comprises a plurality of groups of filtration groups which are arranged in series, and a plurality of parallel identical filtration units are arranged in each group of filtration groups; the number of the filter screens (12) in each level of the filter group is different, the number of the filter screens (12) in the filter group is sequentially increased from the water inlet end to the water outlet end, and the number of the filter screens is sequentially 60, 100, 200, 500 and 800.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057729.5A CN109569051B (en) | 2019-01-22 | 2019-01-22 | Nondestructive grading filtration system for aquaculture water and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057729.5A CN109569051B (en) | 2019-01-22 | 2019-01-22 | Nondestructive grading filtration system for aquaculture water and manufacturing method |
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| CN109569051B true CN109569051B (en) | 2023-11-21 |
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| CN112922040B (en) * | 2020-12-08 | 2022-07-05 | 矿冶科技集团有限公司 | Reverse filtering layer structure for tailing drainage and seepage and preparation method and installation method thereof |
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| JP3018850U (en) * | 1995-05-01 | 1995-11-28 | ナガオテック有限会社 | Water purification device in and around the cage |
| DE19712477A1 (en) * | 1997-03-25 | 1998-10-01 | Paul Bangert | Pocket filter |
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| CN204933009U (en) * | 2015-08-10 | 2016-01-06 | 新特能源股份有限公司 | A kind of recirculated water screen pack |
| CN209530222U (en) * | 2019-01-22 | 2019-10-25 | 中国农业大学烟台研究院 | The lossless classified filtering system of breeding water |
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|---|---|---|---|---|
| JP3018850U (en) * | 1995-05-01 | 1995-11-28 | ナガオテック有限会社 | Water purification device in and around the cage |
| DE19712477A1 (en) * | 1997-03-25 | 1998-10-01 | Paul Bangert | Pocket filter |
| CN2848839Y (en) * | 2005-08-04 | 2006-12-20 | 邱鸿芳 | Precise recovering machine of water resources |
| CN204933009U (en) * | 2015-08-10 | 2016-01-06 | 新特能源股份有限公司 | A kind of recirculated water screen pack |
| CN209530222U (en) * | 2019-01-22 | 2019-10-25 | 中国农业大学烟台研究院 | The lossless classified filtering system of breeding water |
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