CN219186066U

CN219186066U - Filter equipment is used in circulating water aquaculture

Info

Publication number: CN219186066U
Application number: CN202320054562.9U
Authority: CN
Inventors: 孙慢杰; 李豪; 郭长胜; 高倩倩; 王小雨; 袁小琛; 张云龙
Original assignee: Anhui Agricultural University AHAU
Current assignee: Anhui Agricultural University AHAU
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-16
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the field of filtration, and discloses a filtering device for circulating water aquaculture, which comprises a filtering tank and a filter residue treatment mechanism, wherein a water inlet is formed in the upper part of the filtering tank, a water outlet and a plurality of supporting legs are formed in the bottom of the filtering tank, a filter screen is arranged in the middle of the filtering tank, the filter residue treatment mechanism is arranged above the filter screen, a supporting rod is arranged at the top of the filtering tank, a motor I is mounted on the supporting rod, the filter residue treatment mechanism comprises a shell, a conveying mechanism, a dewatering mechanism and a residue scraping mechanism, the bottom of the shell is rotationally connected with the filter screen, a dewatering cavity is formed in the top of the shell, a conveying cavity communicated with the dewatering cavity is formed in the bottom of the shell, the motor I is used for driving the shell to rotate, and the dewatering mechanism and the conveying mechanism are respectively arranged in the dewatering cavity and the conveying cavity. The utility model can scrape the filter residue generated on the filter screen during the filtration of the circulating water for cultivation and dehydrate the filter residue, so that the filter residue is subjected to solid-liquid separation, the subsequent treatment of the filter residue is convenient, and the water loss is reduced.

Description

Filter equipment is used in circulating water aquaculture

Technical Field

The utility model relates to the field of filtration, in particular to a filtration device for circulating water culture.

Background

The circulating water aquaculture system is an efficient aquaculture device and facility which can realize purification and recovery utilization of aquaculture wastewater by physical, chemical, biological and other technical means, so that an aquaculture object can always maintain the optimal physiological and ecological states under the high-density aquaculture condition, thereby achieving healthy and rapid growth, maximally improving the yield and quality of unit water body and avoiding pollution of internal and external environments.

The traditional filtering device for circulating water culture needs to process filter residues generated on a filter screen in a manual timing mode, so that labor cost is increased, time is wasted, and part of circulating water is lost due to water absorption of the filter residues generated after filtration.

Disclosure of Invention

The utility model is realized by adopting the following technical scheme: the utility model provides a circulating water is filter equipment for breed, includes filtering ponds, filter residue processing mechanism, and the filtering ponds top is provided with the water inlet, and the bottom is provided with delivery port and a plurality of landing leg.

A filter screen is arranged in the middle of the filter tank, a filter residue treatment mechanism is arranged above the filter screen, a support rod is arranged at the top of the filter tank, and a first motor is arranged on the support rod.

The filter residue treatment mechanism comprises a shell, a conveying mechanism, a dehydration mechanism and a residue scraping mechanism.

The bottom of the casing is rotationally connected with the filter screen, the top of the casing is provided with a dehydration cavity, the bottom of the casing is provided with a conveying cavity communicated with the dehydration cavity, and the motor is used for driving the casing to rotate.

The dewatering mechanism and the conveying mechanism are respectively arranged in the dewatering cavity and the conveying cavity.

The slag scraping mechanism comprises a rotating shaft and a spiral scraping blade arranged on the outer side of the rotating shaft, one side of the rotating shaft is rotationally connected with the shell, a slag inlet is formed in the bottom of the joint of the rotating shaft and the conveying cavity, and filter residues are scraped into the slag inlet from the periphery by the spiral scraping blade.

Through above-mentioned technical scheme, with the breed water that needs to handle from the water inlet input filtering ponds, the filter screen of setting at filtering ponds middle part filters the breed water that gets into, filter the impurity in the water, during the filtration, the filter residue of straining down above the filter screen is scraped by the spiral doctor-bar rotation of the rotation axis outside of setting up in the top, the doctor-bar is scraped the filter residue all around to setting up the slag inlet in the centre, the filter residue gets into the transport chamber through the slag inlet in, the transport mechanism who sets up in the transport chamber conveys the filter residue to the dehydration mechanism of top, carry out further dehydration to the filter residue by the dehydration mechanism.

As a further improvement of the scheme, a bevel gear I is sleeved outside one side of the casing close to the rotating shaft, a bevel gear II is meshed with the outer side of the bevel gear I, the rotating shaft is coaxially arranged on the bevel gear II, and the rotating shaft is rotationally connected with the outer wall of the casing, so that the rotating shaft is driven to rotate around the axis of the casing when the casing rotates.

Through the technical scheme, when the motor I drives the shell to rotate, the bevel gear I arranged below the shell rotates, so that the bevel gear II meshed with the bevel gear I rotates around the axis of the shell, and the rotating shaft arranged on the bevel gear II can rotate around the axis of the shell and simultaneously rotates around the axis of the motor.

As a further improvement of the above proposal, the spiral scraping blade is uniformly arranged around the rotating shaft, and an acute angle is formed between the scraping blade and the axis.

Through the technical scheme, the included angle is formed between the scraping blade and the axis, so that the scraping blade can collect the peripheral filter residues to the middle slag inlet when scraping the filter residues on the filter screen, and the filter residues are uniformly treated.

As a further improvement of the scheme, the conveying mechanism comprises a screw, a second motor and a baffle, wherein the second motor is arranged on the filter screen through a support arranged on two sides, the screw is coaxially arranged in the conveying cavity, one side of the screw, which is close to the filter screen, is connected with an output shaft of the second motor, the other side of the screw is connected with the dehydration cavity, the outer side of a slag inlet formed in the bottom of the conveying cavity is connected with the baffle, and one side, which is far away from the slag inlet, of the baffle is contacted with the scraping blade.

Through above-mentioned technical scheme, the filter residue is scraped to slag inlet department by the doctor-bar through baffle department, gets into the transport mechanism who sets up in carrying the intracavity through the slag inlet, starts motor two, and motor two rotates and drives the screw rod and rotate, and the filter residue that gets into and carry the chamber when the spiral rotates is carried to setting up in carrying the dehydration mechanism of chamber top.

As the further improvement of above-mentioned scheme, dehydration mechanism includes clamp plate, connecting rod, telescopic link and cylinder, and the outside in dehydration chamber is provided with the backup pad, and the cylinder is placed in the backup pad, and the output and the telescopic link of cylinder are connected, and the one end and the connecting rod that the cylinder was kept away from to the telescopic link are connected, and the connecting rod is L shape, and the one end that the cylinder was kept away from to the connecting rod just is connected with the clamp plate in the casing, drives the clamp plate and slides from top to bottom in the casing.

Through the technical scheme, after the filter residues are conveyed to the dehydration mechanism in the dehydration cavity through the conveying mechanism, the air cylinder is started, the air cylinder drives the connected telescopic rod to stretch out and draw back, the telescopic rod drives the pressing plate at the tail end of the connected connecting rod to slide up and down in the dehydration cavity, the filter residues entering the dehydration cavity are extruded and dehydrated, so that the water and the solid matters in the filter residues are separated, and classification treatment is realized.

As a further improvement of the above scheme, the bottom of the dewatering mechanism is provided with an inclination angle so as to lead water generated by extrusion to be converged.

Through the technical scheme, after filter residues in the dehydration cavity are extruded and dehydrated by the pressing plate, the dehydrated water is gathered to one place through the inclined angle arranged on the bottom surface for unified treatment.

As a further improvement of the scheme, the bottom of the dewatering cavity is provided with a liquid outlet, the liquid outlet is connected with a connecting pipe, one end of the connecting pipe away from the liquid outlet is connected with the filter tank, and extruded water is guided back to the filter tank.

Through the technical scheme, the water generated by the pressing plate for pressing the filter residues is collected to the liquid outlet through the inclined angle arranged on the bottom surface, enters the connecting pipe through the liquid outlet, and finally flows back to the filter tank to realize solid-liquid separation of the filter residues.

Compared with the prior art, the utility model has the beneficial effects that: the filter tank is input with the aquaculture water that needs to be handled from the water inlet, the filter screen that sets up at the filter tank middle part filters the aquaculture water that gets into, filter the impurity in the water, during the filtration, the filter residue of straining down above the filter screen is scraped by the rotatory scraping of screw doctor blade of the rotation axis outside that sets up in the top, the scraping blade is scraped the filter residue all around to setting up the slag inlet in the centre, the filter residue gets into the transport chamber through the slag inlet in, the transport mechanism who sets up in the transport chamber conveys the filter residue to the dehydration mechanism of top, carry out further dehydration to the filter residue by the dehydration mechanism. The spiral blades are arranged, so that filter residues can be collected from the periphery to the slag inlet of the central position for uniform treatment, and the labor cost is saved. The dewatering mechanism is arranged, so that solid-liquid separation can be carried out on filter residues, water in the filter residues is enabled to flow back into the filter tank, loss of water is reduced, and subsequent treatment of filter cakes is facilitated.

Drawings

FIG. 1 is a cross-sectional view of a filtration device for recirculating aquaculture in accordance with the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic view of a rotating shaft and a helical blade disposed laterally to the rotating shaft;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1B;

FIG. 5 is a schematic diagram showing the overall structure of a filtering device for recirculating aquaculture.

Main symbol description:

1. a water inlet; 2. a filtering tank; 3. a filter residue treatment mechanism; 4. a water outlet; 5. a support leg; 6. a filter screen; 7. a housing; 8. a rotation shaft; 9. a conveying mechanism; 91. a screw; 92. a second motor; 93. a slag inlet; 94. a baffle; 95. a bracket; 10. a dehydration mechanism; 101. a pressing plate; 102. a connecting rod; 103. a telescopic rod; 104. a cylinder; 11. a first motor; 12. a support rod; 13. bevel gears I; 14. bevel gears II; 15. a wiper blade; 16. a support plate; 17. a liquid outlet; 18. a connecting pipe; 19. and a slag scraping mechanism.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Please combine fig. 1 and 5, a filtering device for recirculating aquaculture comprises a filtering tank 2, a filter residue treatment mechanism 3, a water inlet 1 arranged above the filtering tank 2, a water outlet 4 arranged at the bottom and a plurality of supporting legs 5. The middle of the filter tank 2 is provided with a filter screen 6, the filter residue treatment mechanism 3 is arranged above the filter screen 6, the top of the filter tank 2 is provided with a support rod 12, the support rod 12 is provided with a first motor 11, the support rod 12 is L-shaped, and the first motor 11 is suspended at the top of the filter tank 2.

The filter residue treatment mechanism 3 includes a housing 7, a conveying mechanism 9, a dewatering mechanism 10, and a residue scraping mechanism 19.

The bottom of the casing 7 is rotationally connected with the filter screen 6, a dewatering cavity is arranged at the top in the casing 7, a conveying cavity communicated with the dewatering cavity is arranged at the bottom in the casing 7, and a first motor 11 is used for driving the casing 7 to rotate.

The dewatering mechanism 10 and the conveying mechanism 9 are respectively arranged in the dewatering cavity and the conveying cavity.

The slag scraping mechanism 19 comprises a rotating shaft 8 and a spiral scraping blade 15 arranged outside the rotating shaft 8, one side of the rotating shaft 8 is rotationally connected with the machine shell 7, a slag inlet 93 is formed in the bottom of the joint of the rotating shaft 8 and the conveying cavity, the spiral scraping blade 15 scrapes filter residues into the slag inlet 93 from the periphery, so that the slag scraping effect is better, a plurality of rotating shafts 8 can be arranged, and meanwhile, the filter residues on the filter screen 6 are scraped.

The culture water to be treated is input into the filter tank 2 from the water inlet 1, the filter screen 6 arranged in the middle of the filter tank 2 filters the culture water, impurities in the water are filtered, during filtering, filter residues filtered on the filter screen 6 are scraped by the spiral scraping blade 15 arranged on the outer side of the rotating shaft 8 above, the scraping blade 15 scrapes the filter residues from the periphery to the slag inlet 93 arranged in the middle, the filter residues enter the conveying cavity through the slag inlet 93, the conveying mechanism 9 arranged in the conveying cavity conveys the filter residues to the dewatering mechanism 10 above, and the dewatering mechanism 10 further dewaters the filter residues.

Referring to fig. 2, a first bevel gear 13 is sleeved outside one side of the casing 7 close to the rotary shaft 8, a second bevel gear 14 is meshed with the outer side of the first bevel gear 13, the rotary shaft 8 is coaxially arranged on the second bevel gear 14, and the rotary shaft 8 just can be abutted against the tank wall of the filter tank 2. The rotating shaft 8 is rotatably connected with the outer wall of the casing 7, so that the rotating shaft 8 is driven to rotate around the axis of the casing 7 when the casing 7 rotates.

When the motor I11 drives the casing 7 to rotate, the bevel gear I13 arranged below the casing 7 rotates, so that the bevel gear II 14 meshed with the bevel gear I13 rotates around the axis of the casing 7, and the rotating shaft 8 arranged on the bevel gear II 14 can rotate around the axis of the casing 7 and simultaneously rotates around the axis of the bevel gear II.

Referring to fig. 3, the spiral scraping blades 15 are uniformly arranged around the rotating shaft 8, so that when a large amount of filtered slag is filtered out from the filtering tank 2, a plurality of scraping blades 15 can be arranged more for full scraping. The wiper blade 15 is at an acute angle to the axis. The included angle is formed between the scraping blade 15 and the axis, so that the scraping blade 15 can collect the surrounding filter residues to the residue inlet 93 arranged in the middle when scraping the filter residues on the filter screen 6, and uniformly treat the filter residues.

Please combine fig. 2, transport mechanism 9 includes screw rod 91, motor two 92 and baffle 94, and motor two 92 prop up through the support 95 that sets up in both sides and establish on filter screen 6, and screw rod 91 coaxial arrangement is in carrying the intracavity, and screw rod 91's screw thread just contacts with casing 7 inner wall, and the filter residue is leaked from the side when avoiding conveying. One side of the screw 91, which is close to the filter screen 6, is connected with an output shaft of a motor II 92, the other side of the screw is connected with a dehydration cavity, the outer side of a slag inlet 93 formed in the bottom of the conveying cavity is connected with a baffle plate 94, one side of the baffle plate 94, which is far away from the slag inlet 93, is contacted with the scraping blade 15, and the baffle plates 94 are arranged on two sides of the slag inlet 93, so that filter residues cannot leak from a gap when the motor rotates forwards and reversely.

The filter residues are scraped to the position of the slag inlet 93 by the scraping blade 15 through the baffle 94, enter the conveying mechanism 9 arranged in the conveying cavity through the slag inlet 93, start the motor II 92, drive the screw 91 to rotate by the rotation of the motor II 92, and the filter residues entering the conveying cavity during the spiral rotation are conveyed to the dewatering mechanism 10 arranged above the conveying cavity.

Please combine fig. 4, dehydration mechanism 10 includes clamp plate 101, connecting rod 102, telescopic link 103 and cylinder 104, the outside of dehydration chamber is provided with backup pad 16, cylinder 104 is placed on backup pad 16, the output and the telescopic link 103 of cylinder 104 are connected, the one end that cylinder 104 was kept away from to telescopic link 103 is connected with connecting rod 102, connecting rod 102 is the L shape, the one end that cylinder 104 was kept away from to connecting rod 102 is in casing 7 and is connected with clamp plate 101, drive clamp plate 101 and slide from top to bottom in casing 7, the upper wall of dehydration chamber is opened there is the aperture for connecting rod 102 penetrates.

After the filter residues are sent to the dehydration mechanism 10 in the dehydration cavity through the conveying mechanism 9, the air cylinder 104 is started, the air cylinder 104 drives the connected telescopic rod 103 to stretch and retract, the telescopic rod 103 drives the pressing plate 101 at the tail end of the connected connecting rod 102 to slide up and down in the dehydration cavity, the filter residues entering the dehydration cavity are extruded and dehydrated, and the water in the filter residues is separated from the solid matters, so that classification treatment is realized.

Referring to fig. 4, the bottom of the dewatering mechanism 10 has an inclination angle to allow water generated by extrusion to flow together. After the filter residues in the dewatering cavity are extruded and dewatered by the pressing plate 101, the dewatered water is converged to one place through the inclined angle arranged on the bottom surface for uniform treatment, and the pressing plate 101 is parallel to the bottom of the dewatering mechanism 10, so that gaps are not generated during extrusion, and incomplete extrusion is caused.

Referring to fig. 4, a liquid outlet 17 is formed in the bottom of the dewatering cavity, the liquid outlet 17 is connected with a connecting pipe 18, and the height of the connecting pipe 18 is smaller than that of the bottom of the dewatering cavity, so that water flow can smoothly flow back to the filter tank 2. One end of the connecting pipe 18, which is far away from the liquid outlet 17, is connected with the filter tank 2, and the extruded water is led back to the filter tank 2.

The water generated by the filter residue extruded by the pressing plate 101 is collected to the liquid outlet 17 through the inclined angle arranged on the bottom surface, enters the connecting pipe 18 through the liquid outlet 17, and finally flows back to the filter tank 2 to realize solid-liquid separation of the filter residue.

The utility model relates to a filtering device for circulating water culture, which comprises the following implementation principles: the circulating water for cultivation is input into the filter tank 2 through the water inlet 1, the motor I11 is started, the connected shell 7 rotates, then the rotating shaft 8 which is rotationally connected with the shell 7 at the bottom of the shell 7 rotates around the axis of the shell 7, the bevel gear II 14 sleeved outside the rotating shaft 8 rotates around the bevel gear I13 sleeved at the bottom of the shell 7, the rotating shaft 8 rotates around the axis of the shell 7, the scraping blade 15 arranged on the side surface of the rotating shaft 8 can rotationally scrape filter residues filtered by the filter screen 6, because the side surface of the rotating shaft 8 is arranged at an included angle between the scraping blade 15 and the axis of the rotating shaft 8, when the rotating shaft 8 rotates around the axis of the shell 7, the peripheral filter residues can be gathered to the position of the slag inlet 93 arranged at the bottom of the shell 7, enter the slag inlet 93 together, then enter the conveying mechanism 9 through the slag inlet 93, the motor II 92 is started, the screw 91 rotates to convey the filter residues at the bottom into the dewatering mechanism 10 at the top in the shell 7, then the cylinder 104 is started, the telescopic rod 103 at the output end is driven to stretch out and draw back, the pressing plate 101 arranged at the tail end of the telescopic rod 103 can slide in the dewatering cavity 102, the dewatering cavity is arranged at the bottom of the dewatering cavity, the dewatering cavity is separated into the filter residues is separated, the filter residues are separated into the filter residues through the water and finally, and the filter residues are separated through the water is discharged through the connecting pipe 17, and finally, the filter residues are separated through the water is discharged through the filter residues, and the filter residues are separated through the filter tank.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The filtering device for circulating water cultivation is characterized by comprising a filtering tank and a filter residue treatment mechanism, wherein a water inlet is arranged above the filtering tank, and a water outlet and a plurality of supporting legs are arranged at the bottom of the filtering tank;

a filter screen is arranged in the middle of the filter tank, a filter residue treatment mechanism is arranged above the filter screen, a support rod is arranged at the top of the filter tank, and a first motor is arranged on the support rod;

the filter residue treatment mechanism comprises a shell, a conveying mechanism, a dehydration mechanism and a residue scraping mechanism;

the bottom of the shell is rotationally connected with the filter screen, the top of the shell is provided with a dehydration cavity, the bottom of the shell is provided with a conveying cavity communicated with the dehydration cavity, and the motor I is used for driving the shell to rotate;

the dehydration mechanism and the conveying mechanism are respectively arranged in the dehydration cavity and the conveying cavity;

the slag scraping mechanism comprises a rotating shaft and a spiral scraping blade arranged on the outer side of the rotating shaft, one side of the rotating shaft is rotationally connected with the machine shell, a slag inlet is formed in the bottom of the joint of the rotating shaft and the conveying cavity, and filter residues are scraped into the slag inlet from the periphery by the spiral scraping blade.

2. The filtering device for circulating aquaculture according to claim 1, wherein a bevel gear one is sleeved outside one side of the casing close to the rotating shaft, a bevel gear two is meshed with the outer side of the bevel gear one, the rotating shaft is coaxially arranged on the bevel gear two, and the rotating shaft is rotatably connected with the outer wall of the casing, so that the rotating shaft is driven to rotate around the axis of the casing when the casing rotates.

3. The circulating aquaculture filter apparatus of claim 1 wherein said spiral wiper is disposed uniformly about the axis of rotation, said wiper and axis being at an acute angle.

4. The circulating aquaculture filtering apparatus according to claim 1, wherein the conveying mechanism comprises a screw, a second motor and a baffle, the second motor is supported on the filter screen through brackets arranged on two sides, the screw is coaxially arranged in the conveying cavity, one side of the screw, which is close to the filter screen, is connected with an output shaft of the second motor, the other side of the screw is connected with the dehydration cavity, the outer side of a slag inlet formed in the bottom of the conveying cavity is connected with the baffle, and one side of the baffle, which is far away from the slag inlet, is in contact with the scraping piece.

5. The filtering device for circulating aquaculture according to claim 1, wherein the dewatering mechanism comprises a pressing plate, a connecting rod, a telescopic rod and a cylinder, the outer side of the dewatering cavity is provided with a supporting plate, the cylinder is placed on the supporting plate, the output end of the cylinder is connected with the telescopic rod, one end of the telescopic rod, far away from the cylinder, is connected with the connecting rod, the connecting rod is L-shaped, and one end of the connecting rod, far away from the cylinder, is connected with the pressing plate in a machine shell to drive the pressing plate to slide up and down in the machine shell.

6. The filtering device for recirculating aquaculture of claim 1, wherein the bottom of the dewatering mechanism is inclined to allow water produced by the extrusion to merge.

7. The circulating aquaculture filter apparatus of claim 6, wherein the bottom of the dewatering chamber is provided with a liquid outlet, the liquid outlet is connected with a connecting pipe, one end of the connecting pipe away from the liquid outlet is connected with the filter tank, and the extruded water is guided back to the filter tank.