CN112010500A - Internal circulation aquaculture water efficient purification device and use method thereof - Google Patents
Internal circulation aquaculture water efficient purification device and use method thereof Download PDFInfo
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- CN112010500A CN112010500A CN202010809000.1A CN202010809000A CN112010500A CN 112010500 A CN112010500 A CN 112010500A CN 202010809000 A CN202010809000 A CN 202010809000A CN 112010500 A CN112010500 A CN 112010500A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
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- 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
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses an internal circulation high-efficiency purification device for aquaculture water and a using method thereof, and the device comprises a biological purification box (1) and a physical purification box (2), wherein one end of the physical purification box (2) is butted with a submersible pump in a culture pond through a water inlet pipe (3), and the physical purification box (2) is butted with the biological purification box (1) through a first guide pipe (4); biological purification case (1) is whole to be provided with the open-ended cuboid pond for last top surface department, and the inside of this biological purification case (1) is provided with the biochemical compartment of several, and every biochemical compartment comprises first baffle (5) and second baffle (6) that are parallel to each other, the both sides of first baffle (5) are fixed on the inner wall of biological purification case (1). The invention can effectively realize the automatic circulation of physical purification and next biological purification, and simultaneously can effectively reduce the overall maintenance frequency, thereby being beneficial to the further popularization of the circulating water type culture mode.
Description
Technical Field
The invention relates to the technical field related to aquaculture, in particular to an internal circulation aquaculture water high-efficiency purification device and a using method thereof.
Background
A Recirculating Aquaculture System (RAS) is a novel aquaculture mode, waste water generated in an aquaculture pond is recycled after being treated by a series of water treatment units, harmful pollutants such as ammonia nitrogen (TAN), nitrite nitrogen (NO 2-N) and the like generated by residual baits and excrement in aquaculture water are removed by a method combining physical filtration and biological filtration, so that the aim of purifying the aquaculture water environment is fulfilled, the problem of low water resource utilization rate can be solved, a stable, reliable, comfortable and high-quality living environment can be provided for aquaculture organisms, favorable conditions are provided for high-density aquaculture, the integral automation degree of the conventional water purification equipment in the application process is low, the most important is that the maintenance period of a purification device is short, the maintenance cost is high, and the most important obstacle is influencing the circulating purification of the aquaculture water, therefore, how to provide a maintenance-free (low maintenance frequency) purification device with a high degree of automation becomes a major research point in the field of cultivation industry.
Disclosure of Invention
The invention aims to provide an internal circulation aquaculture water high-efficiency purification device and a using method thereof, which can effectively solve the problems in the background technology.
An internal circulation aquaculture water high-efficiency purification device comprises a biological purification box 1 and a physical purification box 2, wherein one end of the physical purification box 2 is in butt joint with a submersible pump in a culture pond through a water inlet pipe 3, and the physical purification box 2 is in butt joint with the biological purification box 1 through a first flow guide pipe 4;
the biological purification box 1 is a cuboid tank with an opening arranged on the upper top surface, a plurality of biochemical compartments are arranged in the biological purification box 1, each biochemical compartment is composed of a first partition plate 5 and a second partition plate 6 which are parallel to each other, two sides of the first partition plate 5 are fixed on the inner wall of the biological purification box 1, the upper top surface of the first partition plate 5 is flush with the top edge of the biological purification box 1, the lower bottom surface of the first partition plate 5 keeps a distance enough for water to pass through with the bottom of the biological purification box 1, two sides of the second partition plate 6 are fixed on the inner wall of the biological purification box 1, the upper top surface of the second partition plate 6 and the upper top surface of the biological purification box 1 are reserved with a distance for water to pass through, a distance for water to pass through is reserved between two adjacent biochemical compartments, a layer of filter screen 7 is fixed at the bottom of the biochemical compartments, two ends of the filter screen 7 are respectively and vertically fixed on the first partition plate 5 and the second partition plate 6, the two sides of the filter screen 7 are respectively fixed on the inner wall of the biological purification box 1, various fillers 9 for culturing nitrobacteria and itch bacteria are flatly laid on the filter screen 7, a sand head 8 is placed at the bottom of the biochemical compartment, and the sand head 8 is butted with the gas output end of the air compressor through a gas guide pipe;
a horizontally arranged guide plate 10 is fixed at the lower bottom surface of the second partition plate 6, a channel a for deposited impurity sewage to pass through is arranged at the lower bottom surfaces of the guide plate 10 and the biological purification box 1, one end of the channel a flows back into the physical purification box 2 through a sewage discharge pipe 11, a water inlet 12 and a water outlet 13 are respectively arranged at the middle parts of the two ends of the biological purification box 1, wherein the water inlet 12 is positioned at one end close to the sewage discharge pipe 11, a water return pipe 14 is arranged on the water outlet 13, the end part of the water return pipe 14 extends into the fish culture pond, and the horizontal height of the water outlet 13 is lower than that of the water inlet 12;
the physical purifying box 2 is a rectangular tank with an opening arranged on the top surface, a physical purifying room b and a physical decontamination room c are separated from the physical purifying box 2 through a first partition plate 15, and a circulating filter device is arranged between the physical purifying room b and the physical decontamination room c.
The circulating filter device comprises two chains 16 which are respectively connected end to end, the two chains 16 are fixedly connected into a whole through a plurality of chain plates 17, a layer of filter cotton belts 18 which are butted end to end are tiled on the chain plates 17, two ends of each chain 16 are respectively positioned in a physical purification room b and a physical decontamination room c, the chains 16 are guided into a Z-shaped structure through a plurality of chain wheels 19 which are meshed with the chains 16, wherein a plane which guides the chain 16 into the Z-shaped structure is positioned in the physical decontamination room c, a plane which guides the chain 16 into the Z-shaped structure is positioned in the physical purification room b, and the chain wheels 19 are arranged on the inner wall of the physical purification box 2 through chain wheel shafts;
the inner wall of the bottom of the physical purification room b is provided with a drain hole 20 butted with the first draft tube 4, the inner wall of the physical decontamination room c is provided with a sewage inlet hole 21 butted with the sewage discharge pipe 11, and the horizontal height of the sewage inlet hole 21 is higher than that of the drain hole 20.
A first water distribution pipe 22 butted with the water inlet pipe 3 is horizontally arranged in the physical purification room b, a plurality of first water discharge pipes 23 communicated with the first water distribution pipe 22 are radially arranged at the bottom of the first water distribution pipe 22, and the lower ends of the first water discharge pipes 23 are just opposite to the middle part of the filter cotton belt 18.
A driving device for driving the chain 16 to move is arranged in the physical decontamination room c, the driving device comprises a driving box 24, the driving box 24 is integrally of a cuboid structure with an opening arranged on the top surface, two driving connecting rods 25 which can be in rotating connection and matching with the driving box 24 through first rotating shafts 27 are arranged on two sides of the driving box 24, the first rotating shafts 27 are fixedly arranged on the driving connecting rods 25, the two driving connecting rods 25 which are positioned on the same side are arranged in parallel, the two driving connecting rods 25 positioned on the same end are fixedly connected into a whole through second rotating shafts 26, two ends of each second rotating shaft 26 are respectively in rotating connection and matching with the inner wall of the physical decontamination room c, and one end of each second rotating shaft 26 extends out of the physical decontamination room c and is fixedly connected with a power output shaft of a motor into a whole;
one of the first shafts 27 extends into the drive box 24 and is fixedly connected with a driving bevel gear 28 into a whole, a driven bevel gear 29 meshed with the driving bevel gear 28 is arranged on one side of the driving bevel gear, a first sewage inlet pipe 30 is arranged in a key groove in a bearing hole of the driven bevel gear 29, one end of the first sewage inlet pipe 30 is in rotating connection and matching with a second sewage inlet pipe 31, the end parts of the opposite ends of the first sewage inlet pipe 30 and the second sewage inlet pipe 31 are axially welded and fixed with a roller 33 into a whole through a positioning plate 32 which is in rotating connection and matching with the end parts, the first sewage inlet pipe 30 is communicated with the inside of the roller 33, two sides of the positioning plate 32 are welded and fixed on the inner wall of the driving box 24, the end part of the second sewage inlet pipe 31 extends out of the driving box 24, and the end part of one end of the driving box 24, which is opposite to the driving bevel gear 28, is divided into a storage groove d for containing and retaining compressed garbage through a second partition plate 34;
a compression pipe 35 concentric with the roller 33 axially extends outwards from one end of the roller 33 close to the second partition 34, and the end of the compression pipe 35 extends into the storage tank d through the second partition 34 matched with the compression pipe in a rotating way;
a positioning shaft 36 is welded and fixed at the end part of the opposite end of the driving box 24 and the driving bevel gear 28, the end part of the positioning shaft 36 passes through the compression pipe 35 concentric with the positioning shaft and extends into the roller 33, a spiral blade 37 which can be attached to the inner wall of the roller 33 to rotate is spirally arranged on the positioning shaft 36, the pitch of the spiral blade 37 is a spiral pressurizing structure which is smaller in pitch in the direction of approaching the compression pipe 35, a cover plate 38 and a spring 39 which can be in clearance sliding fit with the positioning shaft 36 are sleeved on the positioning shaft 36, the spring 39 is pressed between the inner wall of the driving box 24 and the cover plate 38, and the cover plate 38 is buckled on the end surface of the compression pipe 35 under the driving of the spring 39;
a layer of bristles 100 is planted on the outer wall of the roller 33;
the surface of the drum 33 is provided with a plurality of water filtering holes.
An overflow hole 47 is formed in the physical decontamination room c, an overflow pipe 48 located on the outer side surface of the physical purification box 2 is fixedly mounted on the overflow hole 47, the end of the overflow pipe 48 extends into the physical decontamination room b and is in butt joint with a second water distribution pipe 49, the second water distribution pipe 49 is located above the filter cotton belt 18, a plurality of second water discharge pipes 50 communicated with the second water discharge pipes are radially mounted at the bottom of the second water distribution pipe 49, and the horizontal height of the overflow hole 47 is higher than that of the decontamination hole 21.
The first partition plate 15 is provided with a groove for the chain 16, the chain plate 17 and the filter cotton belt 18 to pass through.
A suction pump 51 is installed to the bottom of physics scrubbing room c, and this suction pump 51's delivery port end is linked together through rubber hose 52 and second dirt intake pipe 31, the mouth that draws water of suction pump 51 is located the below of dirty hole 21 level.
An internal circulation aquaculture water high-efficiency purification method is realized by the following steps:
1. firstly, simultaneously opening a submersible pump, a water suction pump 51, an air compressor and a motor in a culture pond;
2. after the submersible pump is opened, the aquaculture water containing impurities such as excrement residual feed and the like in the fish pond is pumped into the physical purification room b through the water inlet pipe 3 and is physically filtered through the filtering cotton belt 18 through the first water dividing pipe 22 and the first water discharging pipe 23, the impurities in the aquaculture water can remain on the filtering cotton belt 18, and the aquaculture water after physical filtration can enter the biological purification box 1 through the water discharging hole 20 and the first water guiding pipe 4;
3. when the water body entering the biological purification box 1 overflows and passes through each biochemical compartment, harmful pollutants such as ammonia nitrogen, nitrite nitrogen and the like in the water body are decomposed through the cultured nitrobacteria and various itching bacteria, and the air compressor is started to oxygenate the filler through the sand head 8, so that a necessary living environment is provided for the nitrobacteria and the various itching bacteria;
4. finally, the water body purified by the biological purification box 1 is recycled and discharged into the fishpond through a water outlet hole 13 and a water return pipe 14, the water return pipe 14 is arranged at one corner opposite to the submersible pump, and the purpose of improving the fluidity of the bottom of the fishpond is achieved;
5. because the filter cotton belt 18 can not completely filter the impurities in the aquaculture water, the aquaculture water containing a small part of impurities can be precipitated into the channel a (the upper part of the water body is an overflow process) through the guide plate 10 and are agglomerated with each other after entering the biological purification box 1, the valve on the sewage discharge pipe 11 must control the flow rate, and the water body in the channel a is ensured to slowly flow into the physical sewage removal room c;
6. after the motor is started, the whole driving box 24 is driven to rotate through the driving connecting rod 25, the driving box 24 is always horizontal in the rotating process, and in the rotating process of the driving box 24, the driving connecting rod 25 is always horizontal in the rotating process, because the first rotating shaft 27 is fixedly arranged on the driving connecting rod 25 (the first rotating shaft 27 is in rotating connection and matching with the driving box 24), and the driving box 24 is always horizontal in the rotating process, the whole roller 33 can be driven to rotate through the driving bevel gear 28 and the driven bevel gear 29 by utilizing the first sewage inlet pipe 30;
7. in the process of rotation of the drum 33, when the driving box 24 runs to the lowest part, the residual impurities on the filter cotton belt 18 can be brushed in a rolling manner through the bristles 100, and the brushed impurities fall into the physical decontamination room c through the chain 16;
8. after the water suction pump 51 is started, sewage (including impurities brushed from the filter cotton belt 18 and impurities flowing back from the channel a) in the physical sewage removal room c is pumped into the roller 33 through the rubber hose 52, the second sewage inlet pipe 31 and the first sewage inlet pipe 30 by the water suction pump 51;
9. because the surface of the roller 33 is provided with the water filtering holes, the water in the roller 33 is thrown out of the roller 33 through the water filtering holes by virtue of the centrifugal force in the rolling brushing process of the roller 33, namely, the brushing of the filter cotton belt 18 is a wet washing process and is not simply carried out by the dry brushing of the brush hair 100, and the residual impurities are attached to the inner wall of the roller 33;
10. during the rotation of the drum 33, since the positioning shaft 36 is welded and fixed to the driving box 24, that is, the drum 33 is rotated, and the positioning shaft 36 and the helical blade 37 are fixed, the drum 33 can scrape impurities attached to the inner wall of the drum 33 gradually toward the compression pipe 35 through the helical blade 37 during the rotation and gradually accumulate in the compression pipe 35, and the compressed garbage finally presses the spring 39 and pushes away the cover plate 38 to enter the storage tank d;
11. when the teeth 46 at the two sides of the driving box 24 are inserted into the chain 16, the driving box 24 further rotates to drive the chain 16 to move towards the rotating direction of the driving box 24, and meanwhile, the return spring 44 in the spring hole 40 is compressed through the positioning disc 42, so that the purpose of driving the whole chain 16, the chain plate 17 and the filter cotton belt 18 to move is achieved;
12. in order to prevent the sewage in the physical decontamination room c from passing through the groove on the first partition 15 through which the chain 16, the chain plate 17 and the filter cotton belt 18 pass and entering the physical decontamination room b to pollute the physically purified water body, the overflow hole 47 between the groove on the first partition 15 and the sewage inlet hole 21 overflows to the second water diversion pipe 49 through the overflow pipe 48 for re-filtration, thereby effectively ensuring that each dropping water entering the biological purification box 1 is physically purified, avoiding the increase of the decomposition burden of beneficial flora and further avoiding the phenomenon of filler blockage.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: can effectively realize that the physical purification and the next step biological purification's automatic cycle go on, can effectually reduce holistic maintenance frequency simultaneously, do benefit to the further popularization of the breed mode of circulating water formula.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the construction of a biological purification tank according to the present invention;
FIG. 2 is a schematic view of the physical purge bin of the present invention;
FIG. 3 is a schematic view of the structure of the chain and link plate of the present invention;
FIG. 4 is a schematic view of the construction of the shaft portion of the present invention;
FIG. 5 is a schematic view of the structure of the driving device of the present invention;
FIG. 6 is a schematic diagram of the piping arrangement outside the physical purge bin of the present invention.
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 technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
Example 1
Referring to fig. 1-6, an internal circulation aquaculture water high-efficiency purification device comprises a biological purification box 1 and a physical purification box 2, wherein one end of the physical purification box 2 is in butt joint with a submersible pump in a culture pond through a water inlet pipe 3, and the physical purification box 2 is in butt joint with the biological purification box 1 through a first guide pipe 4;
the biological purification box 1 is a cuboid tank with an opening arranged on the upper top surface, a plurality of biochemical compartments are arranged in the biological purification box 1, each biochemical compartment is composed of a first partition plate 5 and a second partition plate 6 which are parallel to each other, two sides of the first partition plate 5 are fixed on the inner wall of the biological purification box 1, the upper top surface of the first partition plate 5 is flush with the top edge of the biological purification box 1, the lower bottom surface of the first partition plate 5 keeps a distance enough for water to pass through with the bottom of the biological purification box 1, two sides of the second partition plate 6 are fixed on the inner wall of the biological purification box 1, the upper top surface of the second partition plate 6 and the upper top surface of the biological purification box 1 are reserved with a distance for water to pass through, a distance for water to pass through is reserved between two adjacent biochemical compartments, a layer of filter screen 7 is fixed at the bottom of the biochemical compartments, two ends of the filter screen 7 are respectively and vertically fixed on the first partition plate 5 and the second partition plate 6, the two sides of the filter screen 7 are respectively fixed on the inner wall of the biological purification box 1, various fillers 9 for culturing nitrobacteria and itch bacteria are flatly laid on the filter screen 7, a sand head 8 is placed at the bottom of the biochemical compartment, and the sand head 8 is butted with the gas output end of the air compressor through a gas guide pipe;
a horizontally arranged guide plate 10 is fixed at the lower bottom surface of the second partition plate 6, a channel a for deposited impurity sewage to pass through is arranged at the lower bottom surfaces of the guide plate 10 and the biological purification box 1, one end of the channel a flows back into the physical purification box 2 through a sewage discharge pipe 11, a water inlet 12 and a water outlet 13 are respectively arranged at the middle parts of the two ends of the biological purification box 1, wherein the water inlet 12 is positioned at one end close to the sewage discharge pipe 11, a water return pipe 14 is arranged on the water outlet 13, the end part of the water return pipe 14 extends into the fish culture pond, and the horizontal height of the water outlet 13 is lower than that of the water inlet 12;
the physical purifying box 2 is a rectangular tank with an opening arranged on the top surface, a physical purifying room b and a physical decontamination room c are separated from the physical purifying box 2 through a first partition plate 15, and a circulating filter device is arranged between the physical purifying room b and the physical decontamination room c.
The circulating filter device comprises two chains 16 which are respectively connected end to end, the two chains 16 are fixedly connected into a whole through a plurality of chain plates 17, a layer of filter cotton belts 18 which are butted end to end are tiled on the chain plates 17, two ends of each chain 16 are respectively positioned in a physical purification room b and a physical decontamination room c, the chains 16 are guided into a Z-shaped structure through a plurality of chain wheels 19 which are meshed with the chains 16, wherein a plane which guides the chain 16 into the Z-shaped structure is positioned in the physical decontamination room c, a plane which guides the chain 16 into the Z-shaped structure is positioned in the physical purification room b, and the chain wheels 19 are arranged on the inner wall of the physical purification box 2 through chain wheel shafts;
the inner wall of the bottom of the physical purification room b is provided with a drain hole 20 butted with the first draft tube 4, the inner wall of the physical decontamination room c is provided with a sewage inlet hole 21 butted with the sewage discharge pipe 11, and the horizontal height of the sewage inlet hole 21 is higher than that of the drain hole 20.
A first water distribution pipe 22 butted with the water inlet pipe 3 is horizontally arranged in the physical purification room b, a plurality of first water discharge pipes 23 communicated with the first water distribution pipe 22 are radially arranged at the bottom of the first water distribution pipe 22, and the lower ends of the first water discharge pipes 23 are just opposite to the middle part of the filter cotton belt 18.
A driving device for driving the chain 16 to move is arranged in the physical decontamination room c, the driving device comprises a driving box 24, the driving box 24 is integrally of a cuboid structure with an opening arranged on the top surface, two driving connecting rods 25 which can be in rotating connection and matching with the driving box 24 through first rotating shafts 27 are arranged on two sides of the driving box 24, the first rotating shafts 27 are fixedly arranged on the driving connecting rods 25, the two driving connecting rods 25 which are positioned on the same side are arranged in parallel, the two driving connecting rods 25 positioned on the same end are fixedly connected into a whole through second rotating shafts 26, two ends of each second rotating shaft 26 are respectively in rotating connection and matching with the inner wall of the physical decontamination room c, and one end of each second rotating shaft 26 extends out of the physical decontamination room c and is fixedly connected with a power output shaft of a motor into a whole;
one of the first shafts 27 extends into the drive box 24 and is fixedly connected with a driving bevel gear 28 into a whole, a driven bevel gear 29 meshed with the driving bevel gear 28 is arranged on one side of the driving bevel gear, a first sewage inlet pipe 30 is arranged in a key groove in a bearing hole of the driven bevel gear 29, one end of the first sewage inlet pipe 30 is in rotating connection and matching with a second sewage inlet pipe 31, the end parts of the opposite ends of the first sewage inlet pipe 30 and the second sewage inlet pipe 31 are axially welded and fixed with a roller 33 into a whole through a positioning plate 32 which is in rotating connection and matching with the end parts, the first sewage inlet pipe 30 is communicated with the inside of the roller 33, two sides of the positioning plate 32 are welded and fixed on the inner wall of the driving box 24, the end part of the second sewage inlet pipe 31 extends out of the driving box 24, and the end part of one end of the driving box 24, which is opposite to the driving bevel gear 28, is divided into a storage groove d for containing and retaining compressed garbage through a second partition plate 34;
a compression pipe 35 concentric with the roller 33 axially extends outwards from one end of the roller 33 close to the second partition 34, and the end of the compression pipe 35 extends into the storage tank d through the second partition 34 matched with the compression pipe in a rotating way;
a positioning shaft 36 is welded and fixed at the end part of the opposite end of the driving box 24 and the driving bevel gear 28, the end part of the positioning shaft 36 passes through the compression pipe 35 concentric with the positioning shaft and extends into the roller 33, a spiral blade 37 which can be attached to the inner wall of the roller 33 to rotate is spirally arranged on the positioning shaft 36, the pitch of the spiral blade 37 is a spiral pressurizing structure which is smaller in pitch in the direction of approaching the compression pipe 35, a cover plate 38 and a spring 39 which can be in clearance sliding fit with the positioning shaft 36 are sleeved on the positioning shaft 36, the spring 39 is pressed between the inner wall of the driving box 24 and the cover plate 38, and the cover plate 38 is buckled on the end surface of the compression pipe 35 under the driving of the spring 39;
a layer of bristles 100 is planted on the outer wall of the roller 33;
the surface of the drum 33 is provided with a plurality of water filtering holes.
Spring holes 40 are respectively formed in two sides of the driving box 24, a shaft rod 41 is arranged in each spring hole 40, a circle of positioning disc 42 which can be attached to the inner wall of the spring hole 40 in an axial sliding fit mode extends outwards and radially from the middle of the shaft rod 41, a stud 43 which can be screwed with the shaft rod 40 in a matching mode is arranged at the top of the spring hole 40, a return spring 44 is sleeved on the shaft rod 41, the return spring 44 abuts between the stud 43 and the positioning disc 42, a shaft hole for the shaft rod 41 to be in a clearance sliding fit mode is axially formed in the stud 43, the spring hole 40 extends out of the lower end of the shaft rod 41 and is welded and fixed with the driving plate 45 into a whole, and a plurality of teeth 46 which can be in meshing fit with the chain 16 are welded and fixed on.
An overflow hole 47 is formed in the physical decontamination room c, an overflow pipe 48 located on the outer side surface of the physical purification box 2 is fixedly mounted on the overflow hole 47, the end of the overflow pipe 48 extends into the physical decontamination room b and is in butt joint with a second water distribution pipe 49, the second water distribution pipe 49 is located above the filter cotton belt 18, a plurality of second water discharge pipes 50 communicated with the second water discharge pipes are radially mounted at the bottom of the second water distribution pipe 49, and the horizontal height of the overflow hole 47 is higher than that of the decontamination hole 21.
The first partition plate 15 is provided with a groove for the chain 16, the chain plate 17 and the filter cotton belt 18 to pass through.
And a valve for controlling the flow rate is arranged on the sewage discharge pipe 11.
A suction pump 51 is installed to the bottom of physics scrubbing room c, and this suction pump 51's delivery port end is linked together through rubber hose 52 and second dirt intake pipe 31, the mouth that draws water of suction pump 51 is located the below of dirty hole 21 level.
Example 2
A method of using the purification apparatus of example 1, comprising the steps of:
1. firstly, simultaneously opening a submersible pump, a water suction pump 51, an air compressor and a motor in a culture pond;
2. after the submersible pump is opened, the aquaculture water containing impurities such as excrement residual feed and the like in the fish pond is pumped into the physical purification room b through the water inlet pipe 3 and is physically filtered through the filtering cotton belt 18 through the first water dividing pipe 22 and the first water discharging pipe 23, the impurities in the aquaculture water can remain on the filtering cotton belt 18, and the aquaculture water after physical filtration can enter the biological purification box 1 through the water discharging hole 20 and the first water guiding pipe 4;
3. when the water body entering the biological purification box 1 overflows and passes through each biochemical compartment, harmful pollutants such as ammonia nitrogen, nitrite nitrogen and the like in the water body are decomposed through the cultured nitrobacteria and various itching bacteria, and the air compressor is started to oxygenate the filler through the sand head 8, so that a necessary living environment is provided for the nitrobacteria and the various itching bacteria;
4. finally, the water body purified by the biological purification box 1 is recycled and discharged into the fishpond through a water outlet hole 13 and a water return pipe 14, the water return pipe 14 is arranged at one corner opposite to the submersible pump, and the purpose of improving the fluidity of the bottom of the fishpond is achieved;
5. because the filter cotton belt 18 can not completely filter the impurities in the aquaculture water, the aquaculture water containing a small part of impurities can be precipitated into the channel a (the upper part of the water body is an overflow process) through the guide plate 10 and are agglomerated with each other after entering the biological purification box 1, the valve on the sewage discharge pipe 11 must control the flow rate, and the water body in the channel a is ensured to slowly flow into the physical sewage removal room c;
6. after the motor is started, the whole driving box 24 is driven to rotate through the driving connecting rod 25, the driving box 24 is always horizontal in the rotating process, and in the rotating process of the driving box 24, the driving connecting rod 25 is always horizontal in the rotating process, because the first rotating shaft 27 is fixedly arranged on the driving connecting rod 25 (the first rotating shaft 27 is in rotating connection and matching with the driving box 24), and the driving box 24 is always horizontal in the rotating process, the whole roller 33 can be driven to rotate through the driving bevel gear 28 and the driven bevel gear 29 by utilizing the first sewage inlet pipe 30;
7. in the process of rotation of the drum 33, when the driving box 24 runs to the lowest part, the residual impurities on the filter cotton belt 18 can be brushed in a rolling manner through the bristles 100, and the brushed impurities fall into the physical decontamination room c through the chain 16;
8. after the water suction pump 51 is started, sewage (including impurities brushed from the filter cotton belt 18 and impurities flowing back from the channel a) in the physical sewage removal room c is pumped into the roller 33 through the rubber hose 52, the second sewage inlet pipe 31 and the first sewage inlet pipe 30 by the water suction pump 51;
9. because the surface of the roller 33 is provided with the water filtering holes, the water in the roller 33 is thrown out of the roller 33 through the water filtering holes by virtue of the centrifugal force in the rolling brushing process of the roller 33, namely, the brushing of the filter cotton belt 18 is a wet washing process and is not simply carried out by the dry brushing of the brush hair 100, and the residual impurities are attached to the inner wall of the roller 33;
10. during the rotation of the drum 33, since the positioning shaft 36 is welded and fixed to the driving box 24, that is, the drum 33 is rotated, and the positioning shaft 36 and the helical blade 37 are fixed, the drum 33 can scrape impurities attached to the inner wall of the drum 33 gradually toward the compression pipe 35 through the helical blade 37 during the rotation and gradually accumulate in the compression pipe 35, and the compressed garbage finally presses the spring 39 and pushes away the cover plate 38 to enter the storage tank d;
11. when the teeth 46 at the two sides of the driving box 24 are inserted into the chain 16, the driving box 24 further rotates to drive the chain 16 to move towards the rotating direction of the driving box 24, and meanwhile, the return spring 44 in the spring hole 40 is compressed through the positioning disc 42, so that the purpose of driving the whole chain 16, the chain plate 17 and the filter cotton belt 18 to move is achieved;
12. in order to prevent the sewage in the physical decontamination room c from passing through the groove on the first partition 15 through which the chain 16, the chain plate 17 and the filter cotton belt 18 pass and entering the physical decontamination room b to pollute the physically purified water body, the overflow hole 47 between the groove on the first partition 15 and the sewage inlet hole 21 overflows to the second water diversion pipe 49 through the overflow pipe 48 for re-filtration, thereby effectively ensuring that each dropping water entering the biological purification box 1 is physically purified, avoiding the increase of the decomposition burden of beneficial flora and further avoiding the phenomenon of filler blockage.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; 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 (9)
1. An efficient purifying device for water for internal circulation aquaculture is characterized by comprising a biological purifying box (1) and a physical purifying box (2), wherein one end of the physical purifying box (2) is butted with a submersible pump in a culture pond through a water inlet pipe (3), and the physical purifying box (2) is butted with the biological purifying box (1) through a first guide pipe (4);
the biological purification box (1) is a cuboid tank with an opening arranged on the upper top surface, a plurality of biochemical compartments are arranged in the biological purification box (1), each biochemical compartment is composed of a first partition plate (5) and a second partition plate (6) which are parallel to each other, two sides of the first partition plate (5) are fixed on the inner wall of the biological purification box (1), the upper top surface of the first partition plate (5) is flush with the top edge of the biological purification box (1), the lower bottom surface of the first partition plate (5) keeps a distance enough for water to pass through with the bottom of the biological purification box (1), two sides of the second partition plate (6) are fixed on the inner wall of the biological purification box (1), a distance for water to pass through is reserved between the upper top surface of the second partition plate (6) and the upper top surface of the biological purification box (1), and a distance for water to pass through is reserved between two adjacent biochemical compartments, a layer of filter screen (7) is fixed at the bottom of the biochemical compartment, two ends of the filter screen (7) are respectively and vertically fixed on the first partition plate (5) and the second partition plate (6), two sides of the filter screen (7) are respectively fixed on the inner wall of the biological purification box (1), various fillers (9) for culturing nitrobacteria and pruriginous bacteria are paved on the filter screen (7), a sand head (8) is placed at the bottom of the biochemical compartment, and the sand head (8) is in butt joint with the air output end of the air compressor through an air guide pipe;
a horizontally arranged guide plate (10) is fixed at the lower bottom surface of the second partition plate (6), a channel (a) for deposited impurity sewage to pass through is arranged at the lower bottom surfaces of the guide plate (10) and the biological purification box (1), one end of the channel (a) returns to the physical purification box (2) through a sewage discharge pipe (11), a water inlet hole (12) and a water outlet hole (13) are respectively formed in the middle parts of two ends of the biological purification box (1), wherein the water inlet hole (12) is positioned at one end close to the sewage discharge pipe (11), a water return pipe (14) is installed on the water outlet hole (13), the end part of the water return pipe (14) extends into the fish culture pond, and the horizontal height of the water outlet hole (13) is lower than that of the water inlet hole (12);
the physical purifying box (2) is integrally provided with an open rectangular pool on the top surface, a physical purifying room (b) and a physical decontamination room (c) are separated from the physical purifying box (2) through a first partition plate (15), and a circulating filter device is arranged between the physical purifying room (b) and the physical decontamination room (c).
2. The efficient purification device for aquaculture water with internal circulation of claim 1, characterized in that said circulating filtration device comprises two chains (16) connected end to end, said two chains (16) are fixedly connected into a whole by a plurality of chain plates (17), a layer of end-to-end butted filtering cotton belts (18) is paved on the chain plate (17), the two ends of the chain (16) are respectively positioned in the physical purification room (b) and the physical decontamination room (c), the chain (16) is guided into a Z-shaped structure by a plurality of chain wheels (19) engaged with the chain, wherein a plane of the chain (16) guided in a Z-shaped structure is higher than the other plane of the chain (16) guided in a Z-shaped structure is positioned in the physical decontamination room (c), a plane of the chain (16) guided in a Z-shaped structure is lower than the other plane of the chain guided in a Z-shaped structure is positioned in the physical decontamination room (b), the chain wheel (19) is arranged on the inner wall of the physical purification box (2) through a chain wheel shaft;
the inner wall of the bottom of the physical decontamination room (b) is provided with a drain hole (20) butted with the first guide pipe (4), the inner wall of the physical decontamination room (c) is provided with a sewage inlet hole (21) butted with the sewage discharge pipe (11), and the horizontal height of the sewage inlet hole (21) is higher than that of the drain hole (20).
3. The high-efficiency purification device for aquaculture water with internal circulation of claim 1, characterized in that a first water distribution pipe (22) butted with the water inlet pipe (3) is horizontally arranged in the physical purification room (b), a plurality of first water discharge pipes (23) communicated with the first water distribution pipe (22) are radially arranged at the bottom of the first water distribution pipe (22), and the lower ends of the first water discharge pipes (23) are opposite to the middle part of the filter cotton belt (18).
4. The efficient purifying device for the water for the internal circulation aquaculture according to claim 1, wherein a driving device for driving the chain (16) to move is arranged in the physical decontamination room (c), the driving device comprises a driving box (24), the driving box (24) is integrally of a cuboid structure with an opening on the top surface, two driving connecting rods (25) capable of being rotatably connected and matched with the driving box (24) through a first rotating shaft (27) are arranged on two sides of the driving box (24), the first rotating shaft (27) is fixedly arranged on the driving connecting rods (25), the two driving connecting rods (25) on the same side are arranged in parallel, the two driving connecting rods (25) on the same end are fixedly connected and connected into a whole through a second rotating shaft (26), two ends of the second rotating shaft (26) are respectively rotatably connected and matched with the inner wall of the physical decontamination room (c), one end of the second rotating shaft (26) extends out of the physical decontamination room (c) and is fixedly connected with the power output shaft end of the motor into a whole;
wherein the end part of a first rotating shaft (27) extends into the driving box (24) and is fixedly connected with a driving bevel gear (28) into a whole, one side of the driving bevel gear (28) is provided with a driven bevel gear (29) which is engaged with the driving bevel gear, a first sewage inlet pipe (30) is arranged in a key groove in a bearing hole of the driven bevel gear (29), one end of the first sewage inlet pipe (30) is rotationally connected and matched with a second sewage inlet pipe (31), the end parts of the opposite ends of the first sewage inlet pipe (30) and the second sewage inlet pipe (31) are axially welded and fixed with a roller (33) into a whole through a positioning plate (32) which is rotationally connected and matched with the positioning plate, the first sewage inlet pipe (30) is communicated with the inside of the roller (33), two sides of the positioning plate (32) are welded and fixed on the inner wall of the driving box (24), and the end part of the second sewage inlet pipe (31) extends out of the driving box (24), the end part of one end of the driving box (24) opposite to the driving bevel gear (28) is divided into a storage groove (d) for containing and retaining compressed garbage by a second partition plate (34);
one end of the roller (33) close to the second partition plate (34) extends outwards and axially to form a compression pipe (35) concentric with the roller, and the end part of the compression pipe (35) penetrates through the second partition plate (34) which is matched with the compression pipe in a rotating mode to extend into the storage tank (d);
a positioning shaft (36) is welded and fixed at the end part of one end of the driving box (24) opposite to the driving bevel gear (28), the end part of the positioning shaft (36) penetrates through a compression pipe (35) concentric with the positioning shaft and extends into the roller (33), a spiral blade (37) which can be attached to the inner wall of the roller (33) to rotate is spirally arranged on the positioning shaft (36), the pitch of the spiral blade (37) is a spiral pressurizing structure which is closer to the compression pipe (35) in the direction of smaller pitch, a cover plate (38) and a spring (39) which can be in clearance sliding fit with the positioning shaft are sleeved on the positioning shaft (36), the spring (39) is propped between the inner wall of the driving box (24) and the cover plate (38), and the cover plate (38) is buckled on the end face of the compression pipe (35) under the driving of the spring (39);
a layer of brush hair (100) is planted on the outer wall of the roller (33);
the surface of the roller (33) is provided with a plurality of water filtering holes.
5. The efficient purifying device for the water for the internal circulation aquaculture according to claim 4, characterized in that two sides of the driving box (24) are respectively provided with a spring hole (40), each spring hole (40) is internally provided with a shaft rod (41), the middle part of the shaft rod (41) radially extends outwards to form a circle of positioning disc (42) which can be in axial sliding fit with the inner wall of the spring hole (40), the top of the spring hole (40) is provided with a stud (43) which can be in screwed fit with the spring hole, the shaft rod (41) is sleeved with a return spring (44), the return spring (44) is supported between the stud (43) and the positioning disc (42), the stud (43) is axially provided with a shaft hole for the shaft rod (41) to be in clearance sliding fit, the lower end of the shaft rod (41) extends out of the spring hole (40) and is welded and fixed with the driving plate (45) into a whole, the lower bottom surface of the driving plate (45) is fixedly welded with a plurality of teeth (46) which can be engaged with the chain (16).
6. The high-efficiency purification device for aquaculture water with internal circulation of claim 1, characterized in that an overflow hole (47) is formed in the physical decontamination room (c), an overflow pipe (48) located at the outer side of the physical decontamination box (2) is fixedly installed on the overflow hole (47), the end of the overflow pipe (48) extends into the physical decontamination room (b) and is butted with a second water distribution pipe (49), the second water distribution pipe (49) is located above the filtering cotton belt (18), a plurality of second water discharge pipes (50) communicated with the second water distribution pipe (49) are radially installed at the bottom of the second water distribution pipe (49), and the level of the overflow hole (47) is higher than that of the decontamination inlet hole (21).
7. The efficient water purification device for aquaculture of claim 1, wherein the first partition (15) is provided with a groove for the chain (16), the chain plate (17) and the filter cotton belt (18) to pass through.
8. The efficient purifying device for the water for the aquaculture with the internal circulation as claimed in claim 1, wherein a water pump (51) is installed at the bottom of the physical decontamination room (c), the water outlet end of the water pump (51) is communicated with the second sewage inlet pipe (31) through a hose (52), and the water outlet of the water pump (51) is located below the level of the sewage inlet hole (21).
9. An internal circulation aquaculture water high-efficiency purification method is realized by the following steps:
1) firstly, simultaneously opening a submersible pump, a water suction pump (51), an air compressor and a motor in a culture pond;
2) after the submersible pump is opened, aquaculture water containing impurities such as excrement residual feed and the like in a fish pond is pumped into the physical purification room (b) through the water inlet pipe (3) and is physically filtered through the filtering cotton belt (18) through the first water distribution pipe (22) and the first water drainage pipe (23), the impurities in the aquaculture water can remain on the filtering cotton belt (18), and the aquaculture water after physical filtration can enter the biological purification box (1) through the water drainage hole (20) and the first water drainage pipe (4);
3) when the water body entering the biological purification box (1) overflows and passes through each biochemical compartment, harmful pollutants such as ammonia nitrogen, nitrite nitrogen and the like in the water body are decomposed by the cultured nitrifying bacteria and various itching bacteria, and the air compressor is started to oxygenate the filler through the sand head (8), so that a necessary living environment is provided for the nitrifying bacteria and the various itching bacteria;
4) when the water body entering the biological purification box 1 overflows and passes through each biochemical compartment, harmful pollutants such as ammonia nitrogen, nitrite nitrogen and the like in the water body are decomposed through the cultured nitrobacteria and various itching bacteria, and the air compressor is started to oxygenate the filler through the sand head (8), so that a necessary living environment is provided for the nitrobacteria and the various itching bacteria;
5) finally, the water body purified by the biological purification box (1) is recycled and discharged into the fishpond through a water outlet hole (13) and a water return pipe (14), the water return pipe (14) is arranged at one corner opposite to the submersible pump, and the main purpose is to improve the fluidity of the bottom of the fishpond;
6) because the filter cotton belt (18) can not completely filter impurities in the aquaculture water, the aquaculture water containing a small part of impurities can be precipitated into the channel (a) (the upper part of the water body is an overflow process) through the guide plate (10) and conglomerated with each other after entering the biological purification box (1), the valve on the sewage discharge pipe (11) must control the flow rate, and the water body in the channel (a) is ensured to slowly flow into the physical sewage removal room (c);
7) the motor drives the whole driving box (24) to rotate through the driving connecting rod (25) after being started, the driving box (24) is always horizontal in the rotating process, the driving connecting rod (25) drives the driving box (24) to rotate, and the driving box (24) is always horizontal in the rotating process because the first rotating shaft (27) is fixedly arranged on the driving connecting rod (25) (the first rotating shaft (27) is in rotating connection and matching with the driving box (24)), so that the whole roller (33) can be driven to rotate through the driving bevel gear (28) and the driven bevel gear (29) by utilizing the first dirt inlet pipe (30);
8) in the rotating process of the roller (33), when the driving box (24) runs to the lowest part, the residual impurities on the filter cotton belt (18) can be brushed in a rolling manner through the bristles (100), and the brushed impurities can fall into the physical decontamination room (c) through the chain (16);
9) after the water suction pump (51) is started, sewage (including impurities brushed from the filter cotton belt (18) and impurities flowing back from the channel (a)) in the physical decontamination room (c) enters the roller (33) through the water suction pump (51) through the rubber hose (52), the second sewage inlet pipe (31) and the first sewage inlet pipe (30);
10) during the rotation of the roller (33), as the positioning shaft (36) is welded and fixed on the driving box (24), namely the roller (33) rotates, and the positioning shaft (36) and the helical blade (37) are fixed and unchangeable, the roller (33) can scrape impurities attached to the inner wall of the roller (33) towards the compression pipe (35) gradually through the helical blade (37) and accumulate the impurities into the compression pipe (35), and the compressed garbage finally squeezes the spring (39) and pushes the cover plate (38) away to enter the storage tank (d);
11) during the rotation of the roller (33), as the positioning shaft (36) is welded and fixed on the driving box (24), namely the roller (33) rotates, and the positioning shaft (36) and the helical blade (37) are fixed and unchangeable, the roller (33) can scrape impurities attached to the inner wall of the roller (33) towards the compression pipe (35) gradually through the helical blade (37) and accumulate the impurities into the compression pipe (35), and the compressed garbage finally squeezes the spring (39) and pushes the cover plate (38) away to enter the storage tank (d);
12) in the rotating process of the driving box (24), the driving box (24) is always horizontal in the rotating process, when teeth (46) on two sides of the driving box (24) are inserted into the chain (16), the chain (16) is driven to move towards the rotating direction of the driving box (24) along with the further rotation of the driving box (24), and meanwhile, a return spring (44) in a spring hole (40) is compressed through a positioning disc (42), so that the aim of driving the whole chain (16), a chain plate (17) and a filter cotton belt (18) to move is fulfilled;
13) in order to prevent the sewage in the physical decontamination room (c) from passing through the groove on the first partition plate (15) through which the chain (16), the chain plate (17) and the filter cotton belt (18) pass and entering the physical decontamination room (b) to pollute the physically purified water body, the overflow hole (47) between the groove on the first partition plate (15) and the sewage inlet hole (21) overflows to the second water diversion pipe (49) through the overflow pipe (48) for re-filtration, thereby effectively ensuring that each drop of water entering the biological purification box (1) is physically purified, avoiding the increase of the decomposition burden of beneficial flora and avoiding the phenomenon of blocking the filler.
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| CN112794487A (en) * | 2021-03-22 | 2021-05-14 | 山东恒基农牧机械有限公司 | Breed sewage self-loopa clarification plant |
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| CN112010500B (en) | 2022-10-14 |
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