Filter press for aquaculture

Abstract

The utility model belongs to the technical field of aquaculture, in particular to a filter press for aquaculture, which comprises an outer shell, the outer shell comprises an upper shell and a lower shell which are communicated with each other, a liquid inlet end is mounted on the upper side wall of the upper shell, a sewage end is mounted at the bottom end of the lower shell, and a centrifugal component is mounted in the upper shell; the first driver drives the centrifugal cylinder to rotate to conduct centrifugal dewatering on mud, the dewatered mud flows into the filter pressing assembly to be subjected to filter pressing separation, compared with the prior art, the situation that the mud is accumulated in the centrifugal cylinder to affect the dewatering effect can be avoided, the second driver drives the lead screw to rotate, the scraper slides transversely, and therefore the mud is dewatered. And meanwhile, residual slurry in the centrifugal barrel can be scraped off, and the discharging effect of the slurry is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, in particular to a filter press for aquaculture. Background Art

[0002] In recent years, aquaculture tailwater treatment equipment and related technologies have been widely promoted and applied, but the traditional physical or biological treatment methods have a long cycle and generally require corresponding pond transformation, which has brought great obstacles to the promotion and practical application of related technologies. It is urgent to design and develop a device that can achieve solid-liquid separation of aquaculture waste. At present, aquaculture tailwater mostly adopts multi-stage sedimentation, filtration and biological treatment, which requires large-scale transformation of breeding ponds. The tailwater treatment cycle is long, and there is no very effective solution for the fixation and transfer of solid waste; and the filter press equipment commonly used in industrial production mostly needs to add chemical flocculants in the sedimentation stage. The addition of chemical agents is strictly prohibited by breeding, and the filter press without adding flocculants has poor effect and cannot achieve effective fixation and transfer of solid waste.

[0003] The existing Chinese patent with announcement number CN212246507U discloses a centrifugal filter press device for aquaculture waste, which includes a motor bin, a centrifugal cylinder and a filter press cover arranged on a mounting bracket, wherein the motor bin and the filter press cover are respectively arranged at both ends of the centrifugal cylinder and are both sealed and connected to the centrifugal cylinder; the motor bin is formed into a sealed bin body by a motor bin bottom cover and a filter press bottom plate, a DC centrifugal motor is arranged in the bin body, and a drain pipe is arranged under the bin body; a filter press top plate is arranged on one side of the filter press cover sealed with the centrifugal cylinder, and a water inlet pipe, a filter press motor and a filter press screw are arranged on the other side, wherein the filter press motor and the filter press screw are electrically connected.

[0004] In view of the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: the solid waste of the device is not discharged from the centrifugal drum in time after centrifugal dehydration, and the solid waste remains inside the centrifugal drum, causing blockage and affecting the subsequent sewage dehydration efficiency, which needs to be improved; therefore, a filter press for aquaculture is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the above-mentioned technical problems, the utility model proposes a filter press for aquaculture.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model is a filter press for aquaculture, comprising an outer shell, the outer shell comprising an upper shell and a lower shell connected to each other, the upper side wall of the upper shell is equipped with a liquid inlet end, the bottom end of the lower shell is equipped with a sewage end, a centrifugal assembly is installed inside the upper shell, a filter press assembly is installed inside the lower shell, the centrifugal assembly comprises a centrifugal cylinder, the surface of the centrifugal cylinder is provided with filtering holes distributed in an annular shape, one end of the centrifugal cylinder is rotatably connected to the upper shell, and the centrifugal cylinder The other end of the guide ring is rotatably connected to the guide ring, the other end of the guide ring is fixedly connected to the upper shell body, the bottom of the guide ring is fixedly connected to the guide pipe, the guide pipe is installed with an electromagnetic valve, the side wall of the upper shell body is fixedly connected to a driver 1, the driving end of the driver 1 is fixedly connected to the centrifugal cylinder, the electromagnetic valve is closed, the liquid inlet end is connected to the mud pump through a pipeline, the mud at the bottom of the breeding pond is extracted by the mud pump, the mud enters the interior of the centrifugal cylinder, the centrifugal cylinder is driven by the driver 1 to rotate to centrifugally dehydrate the mud, and the separated sewage is discharged from the sewage discharge end.

[0007] Preferably, the centrifugal assembly further comprises an annular scraper and a lead screw, wherein the scraper is installed inside the centrifugal barrel, guide rods are slidably connected to both sides of the scraper, and one end of the guide rod is fixedly connected to the upper shell.

[0008] Preferably, the side wall of the upper shell is fixedly connected with a second driver, and the driving end of the second driver is fixedly connected with a lead screw, and the lead screw is threadedly connected with a scraper. After the separation is completed, the solenoid valve is opened so that the mud can flow into the filter press assembly from the guide pipe for filter press separation, and the lead screw is driven to rotate by the second driver so that the scraper slides horizontally, which can assist in pushing the mud out of the centrifugal cylinder quickly, and at the same time, the residual mud inside the centrifugal cylinder can be scraped off to improve the mud discharge effect.

[0009] Preferably, the filter press assembly includes a filter cartridge, the surface of which is provided with filter holes distributed in an annular shape, the filter cartridge is fixedly mounted inside the lower shell body, the bottom end of the guide tube passes through the outer shell body and is fixedly connected to the filter cartridge, after the mud is discharged into the filter cartridge, the second hydraulic rod is operated to drive the filter press plate to move, and then the residual water in the mud is filtered and separated through the pressurized cooperation of the filter press plate and the sealing cover, thereby completing the dehydration of the mud, and then the first hydraulic rod is operated to drive the sealing cover to move, and then the discharge port is opened, so that the movement of the filter press plate can push the solid mud to be discharged, and by filtering the mud inside the breeding pond, waste such as the mud inside the breeding pond can be effectively removed, and the stability of the water quality can be maintained.

[0010] Preferably, the filter press assembly further comprises a feed opening, which is disposed on the side wall of the lower shell body, and a sealing cover is installed on the outer side of the feed opening, and the feed opening is sealed by the sealing cover.

[0011] Preferably, hydraulic rods 1 are symmetrically fixedly connected to both sides of the sealing cover, and the driving end of the hydraulic rods 1 is fixedly connected to the lower shell.

[0012] Preferably, the filter press assembly further comprises a second hydraulic rod, which is fixedly mounted on the side wall of the lower shell, and a driving end of the second hydraulic rod is fixedly connected to a filter press plate, which is mounted inside the filter press cylinder.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model drives the centrifugal drum to rotate by driver 1 to centrifugally dehydrate the mud. The dehydrated mud flows into the filter press assembly for filter press separation. Compared with the prior art, it can avoid the accumulation of mud in the centrifugal drum to affect the dehydration effect. The driver 2 drives the lead screw to rotate, so that the scraper slides horizontally, which can assist in pushing the mud out of the centrifugal drum quickly. At the same time, it can scrape off the residual mud inside the centrifugal drum, thereby improving the mud discharge effect.

[0015] 2. The utility model presses and filters the residual water in the mud through the pressurized cooperation of the filter press plate and the sealing cover to complete the dehydration of the mud, and opens the discharge port to discharge the solid mud. By pressuring the mud inside the breeding pond, the mud and other wastes inside the breeding pond can be effectively removed to maintain the stability of the water quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the outer shell of the utility model;

[0019] Figure 3 This is a cross-sectional view of the centrifuge cylinder of the utility model;

[0020] Figure 4 For this utility model Figure 3 A structural diagram of ;

[0021] Figure 5 This is a cross-sectional view of the pressure cylinder of the utility model.

[0022] In the figure: 1. outer shell; 11. upper shell; 12. lower shell; 2. centrifugal assembly; 21. centrifugal cylinder; 22. guide ring; 23. guide tube; 24. scraper; 25. guide rod; 26. screw; 3. filter press assembly; 31. filter press cylinder; 32. discharge port; 33. sealing cover; 34. hydraulic rod one; 35. hydraulic rod two; 36. filter press plate; 4. driver one; 5. liquid inlet end; 6. driver two; 7. sewage end. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-3 As shown, a filter press for aquaculture comprises an outer shell 1, the outer shell 1 comprises an upper shell 11 and a lower shell 12 which are connected to each other, a liquid inlet end 5 is installed on the upper side wall of the upper shell 11, a sewage end 7 is installed on the bottom end of the lower shell 12, a centrifugal assembly 2 is installed inside the upper shell 11, a filter press assembly 3 is installed inside the lower shell 12, the centrifugal assembly 2 comprises a centrifugal cylinder 21, a surface of the centrifugal cylinder 21 is provided with filter holes distributed in an annular shape, one end of the centrifugal cylinder 21 is rotatably connected to the upper shell 11, and the other end of the centrifugal cylinder 21 is rotatably connected to a guide ring 22, The other end of the guide ring 22 is fixedly connected to the upper shell 11, and a guide pipe 23 is fixedly connected to the bottom of the guide ring 22. A solenoid valve is installed on the guide pipe 23. A driver 4 is fixedly connected to the side wall of the upper shell 11. The driving end of the driver 4 is fixedly connected to the centrifugal cylinder 21. The solenoid valve is closed, and the liquid inlet end 5 is connected to the mud pump through a pipeline. The mud at the bottom of the breeding pond is extracted by the mud pump, so that the mud enters the interior of the centrifugal cylinder 21. The centrifugal cylinder 21 is driven by the driver 4 to rotate to centrifugally dehydrate the mud, and the separated sewage is discharged from the sewage discharge end.

[0025] The centrifugal assembly 2 further includes an annular scraper 24 and a lead screw 26 . The scraper 24 is installed inside the centrifugal cylinder 21 . Guide rods 25 are slidably connected to both sides of the scraper 24 , and one end of the guide rod 25 is fixedly connected to the upper shell 11 .

[0026] The side wall of the upper shell 11 is fixedly connected with a driver 26, and the driving end of the driver 26 is fixedly connected with the lead screw 26, and the lead screw 26 is threadedly connected with the scraper 24. After the separation is completed, the solenoid valve is opened, so that the mud can flow into the filter press assembly 3 from the guide pipe 23 for filter press separation, and the driver 26 drives the lead screw 26 to rotate, so that the scraper 24 slides horizontally, which can assist in pushing the mud to quickly discharge from the centrifugal cylinder 21, and at the same time, the residual mud inside the centrifugal cylinder 21 can be scraped off to improve the mud discharge effect.

[0027] Example 2: For comparison with Example 1, please refer to Figure 3-5 As shown, the utility model provides another embodiment, the filter press assembly 3 includes a filter press cartridge 31, the surface of the filter press cartridge 31 is provided with filter holes distributed in an annular shape, the filter press cartridge 31 is fixedly installed inside the lower shell body 12, the bottom end of the guide tube 23 passes through the outer shell body 1 and is fixedly connected with the filter press cartridge 31, after the mud is discharged into the filter press cartridge 31, the hydraulic rod 2 35 is operated to drive the filter press plate 36 to move, and then the residual water in the mud is filtered and separated by the pressurized cooperation of the filter press plate 36 and the sealing cover 33, and the dehydration of the mud is completed, and then the hydraulic rod 1 34 is operated to drive the sealing cover 33 to move, and then the discharge port 32 is opened, so that the hydraulic rod 1 34 can drive the filter press plate 36 to move to promote the discharge of solid mud, and through the filter press of the mud inside the breeding pond, the mud and other wastes inside the breeding pond can be effectively removed to maintain the stability of water quality.

[0028] The filter press assembly 3 further includes a feed opening 32 , which is provided on the side wall of the lower shell 12 . A sealing cover 33 is installed on the outer side of the feed opening 32 , and the feed opening 32 is sealed by the sealing cover 33 .

[0029] Hydraulic rods 34 are symmetrically fixedly connected to both sides of the sealing cover 33 , and the driving end of the hydraulic rod 34 is fixedly connected to the lower shell 12 .

[0030] The filter press assembly 3 further includes a hydraulic rod 35 which is fixedly mounted on the side wall of the lower housing 12 . A filter press plate 36 is fixedly connected to the driving end of the hydraulic rod 35 . The filter press plate 36 is mounted inside the filter press cylinder 31 .

[0031] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and according to the actual situation, a suitable controller should be selected to be electrically connected with the driver 1 4, the driver 2 6, the solenoid valve, the hydraulic rod 1 34 and the hydraulic rod 2 35 to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the working order. The detailed connection means are well known in the art. The following mainly introduces the working principle and process, and does not explain the electrical control.

[0032] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art.

[0033] Working principle: the liquid inlet end 5 is connected to the mud pump through a pipeline, and the mud at the bottom of the breeding pond is extracted by the mud pump, so that the mud enters the interior of the centrifugal cylinder 21, and the centrifugal cylinder 21 is driven by a driver 4 to rotate to centrifugally dehydrate the mud, and the separated sewage is discharged from the sewage discharge end.

[0034] After the separation is completed, the solenoid valve is opened so that the mud can flow into the filter press assembly 3 through the guide pipe 23 for filter press separation, and the lead screw 26 is driven by the driver 26 to rotate, so that the scraper 24 slides horizontally, which can assist in pushing the mud out of the centrifugal cylinder 21 quickly, and at the same time, the residual mud inside the centrifugal cylinder 21 can be scraped off to improve the mud discharge effect.

[0035] After the mud is discharged into the filter press cylinder 31, the hydraulic rod 2 35 is operated to drive the filter press plate 36 to move, and then the residual water in the mud is filtered and separated through the pressurized cooperation of the filter press plate 36 and the sealing cover 33 to complete the dehydration of the mud. Then, the hydraulic rod 1 34 is operated to drive the sealing cover 33 to move, and then the discharge port 32 is opened, so that the hydraulic rod 1 34 can drive the filter press plate 36 to move and push the solid mud to be discharged. By filtering the mud inside the breeding pond, the mud and other wastes inside the breeding pond can be effectively removed, and the stability of the water quality can be maintained.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A filter press for aquaculture, comprising an outer shell (1), characterized in that: The outer shell (1) comprises an upper shell (11) and a lower shell (12) which are connected to each other. A liquid inlet end (5) is installed on the upper side wall of the upper shell (11), and a sewage end (7) is installed on the bottom end of the lower shell (12). A centrifugal assembly (2) is installed inside the upper shell (11), and a filter press assembly (3) is installed inside the lower shell (12). The centrifugal assembly (2) comprises a centrifugal cylinder (21), one end of the centrifugal cylinder (21) is rotatably connected to the upper shell (11), the other end of the centrifugal cylinder (21) is rotatably connected to a guide ring (22), the other end of the guide ring (22) is fixedly connected to the upper shell (11), the bottom of the guide ring (22) is fixedly connected to a guide pipe (23), and a solenoid valve is installed on the guide pipe (23). A driver 1 (4) is fixedly connected to the side wall of the upper shell (11), and the driving end of the driver 1 (4) is fixedly connected to the centrifugal cylinder (21).

2. The filter press for aquaculture according to claim 1, characterized in that: The centrifugal assembly (2) further comprises an annular scraper (24) and a lead screw (26); the scraper (24) is mounted inside the centrifugal cylinder (21); guide rods (25) are slidably connected to both sides of the scraper (24), and one end of the guide rod (25) is fixedly connected to the upper housing (11).

3. The filter press for aquaculture according to claim 2, characterized in that: The side wall of the upper shell (11) is fixedly connected to a second driver (6), and the driving end of the second driver (6) is fixedly connected to a lead screw (26), and the lead screw (26) is threadedly connected to the scraper (24).

4. The filter press for aquaculture according to claim 1, characterized in that: The filter press assembly (3) comprises a filter press cartridge (31), the filter press cartridge (31) being fixedly mounted inside the lower housing (12), and the bottom end of the flow guide tube (23) passing through the outer housing (1) and being fixedly connected to the filter press cartridge (31).

5. The filter press for aquaculture according to claim 4, characterized in that: The filter press assembly (3) further comprises a feed opening (32), wherein the feed opening (32) is provided on the side wall of the lower shell (12), and a sealing cover (33) is installed on the outer side of the feed opening (32).

6. The filter press for aquaculture according to claim 5, characterized in that: Hydraulic rods 1 (34) are symmetrically fixedly connected to both sides of the sealing cover (33), and the driving end of the hydraulic rod 1 (34) is fixedly connected to the lower housing (12).

7. The filter press for aquaculture according to claim 4, characterized in that: The filter press assembly (3) further comprises a second hydraulic rod (35), wherein the second hydraulic rod (35) is fixedly mounted on the side wall of the lower housing (12), and a filter press plate (36) is fixedly connected to a driving end of the second hydraulic rod (35), wherein the filter press plate (36) is mounted inside the filter press cylinder (31).

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