CN223615532U - An electric drum filter device for aquaculture - Google Patents

Abstract

This utility model discloses an electric drum filter device for aquaculture. The device adopts a non-submerged design. The motor drives the rollers to generate centrifugal force, which centrifugally throws the filtered water out of the filter screen. As the drum rotates, solid sludge is also carried to the upper inner side of the drum by centrifugal force. A pressurized water column installed above the drum washes the outer side of the filter screen and washes the solid sludge into the sludge collection tank. The pressurized water column on the outside of the shell impacts the sludge in the sludge collection tank and flushes the sludge into the drain pipe. The sludge on the filter screen is washed clean in time, realizing continuous filtration and improving filtration efficiency.

Description

Electric roller filtering device for aquaculture

Technical Field

The utility model belongs to the technical field of aquaculture, and particularly relates to an electric roller filtering device for aquaculture.

Background

At present, in the process of aquaculture in traditional factory, along with continuous addition of feed, organic suspended matters in water are gradually increased, the growth vigor of fishes and shrimps is larger, more waste is discharged, and under the condition of normal metabolism, solid excreta of fishes and shrimps in a aquaculture water body exist in the water body in the form of suspended matters. The suspended matter has specific gravity slightly greater than that of water, small particle size, good flowability and certain adhesion, and is in suspended state under the condition of water flow.

The increase of the accumulation amount of suspended matters in the culture water body can cause the water body to be turbid, influence the filtration of the gills of the cultured fishes and the respiration of the skin, increase the environmental stress of the fishes, deteriorate the water quality and consume the dissolved oxygen in the water. At present, suspended matters in the aquaculture water body are removed in time by adopting a physical and/or biological filtering mode in the industrial aquaculture process, the physical filtering is a first defense line for aquaculture, the primary premise of ensuring transparent water quality is that the biological filtering ensures the healthy growth of fishes and shrimps while ensuring the water quality, and the biological filtering has an important water purifying function for aquaculture.

The existing physical filtering mode commonly used for aquaculture comprises rotary drum filter screen filtering and aquatic centrifugal micro-filter filtering, wherein the rotary drum filter screen filtering is used for back flushing while continuously filtering, the filtering efficiency is high, the effect is good, the application is common, but most of the traditional rotary drum filter screen filtering adopts a submerged rotary drum mode to filter suspended matters by utilizing the filter screen, and the rotary drum filter screen is difficult to effectively filter some tiny colloid particles, soluble substances and the like. And there may be some "dead space" due to the filter screen structure and the way the water is flushed. Impurities in these areas cannot be effectively removed during backwash. The use cost of the aquatic micro-filter is relatively high, the investment cost may be increased for some small-scale farmers, the aquatic micro-filter needs to be cleaned and maintained regularly, the maintenance cost is relatively high, in addition, the aquatic submerged micro-filter cannot timely filter suspended matters out to generate the problem of raising toxins such as ammonia nitrogen and nitrite due to sinking into water, and if the water quality is poor, the filtering effect is affected.

Disclosure of utility model

In order to solve the problems, the utility model provides the electric roller filtering device for aquaculture, which is integrally designed in a non-sinking way, and the roller is driven by a motor to generate centrifugal force to centrifugally throw filtered clean water out of a filter screen, solid sludge is also brought to the upper part of the inner side of the roller along with the centrifugal force along with the rotation of the roller, a pressurized water column is arranged above the roller to flush the outer side of the filter screen to flush the solid sludge into a sewage collecting tank, the pressurized water column on the outer side of a shell is used for impacting the sludge in the sewage collecting tank to flush the sludge into a sewage drain pipe, and the sludge on the filter screen is flushed clean in time, so that continuous filtration is realized, and the filtering efficiency is improved.

The technical scheme disclosed by the utility model is as follows:

The utility model provides an aquaculture is with electronic cylinder filter equipment, which comprises a housin, driving part, the cylinder, the filter screen, the dirt collecting tank, the inlet tube, recoil belt cleaning device, the bottom of casing is equipped with the water purification and collects the mouth, the cylinder sets up in the inside of casing, be equipped with a plurality of filtration pore on the section of thick bamboo wall, the outside at the cylinder is fixed to the filter screen, driving part control cylinder rotates, the inlet tube passes the casing and stretches into in the cylinder, the dirt collecting tank transversely passes inside the cylinder, the other end communicates with each other with the blow off pipe and is connected, the blow off pipe sets up outside the casing, recoil belt cleaning device fixes in the inside of casing, the cylinder is outside, the position directly over the dirt collecting tank.

Preferably, the left and right sides of the drum are not sealed, and a circle of water blocking plates are fixed at the end positions of the left and right sides of the drum along the peripheral direction of the drum, so that the liquid in the drum is prevented from flowing out of the drum.

Preferably, the driving component comprises a motor, three unpowered rollers and one powered roller, the motor is arranged outside the shell, a fixed seat is arranged at the bottom of the inner side of the shell, the three unpowered rollers and one powered roller are fixed on the fixed seat in square position relation, wheel blocking pieces are respectively arranged on the outer periphery of the left side and the right side of the roller, the three unpowered rollers and one powered roller are respectively and rotatably connected with the wheel blocking pieces, the motor drives the powered roller to rotate, the unpowered roller connected with the motor is driven to rotate, the roller is driven to rotate, and then the other two unpowered rollers are driven to rotate.

Preferably, the two ends of the sewage collecting tank extend out of the shell, the bottom of one end is communicated with the sewage draining pipe, and the sewage draining pipe is vertically arranged.

Preferably, the backflushing cleaning device comprises a pressurized water pump, a backflushing cleaning pipe and nozzles, wherein the water pump is arranged outside the shell, the backflushing cleaning pipe is connected with the water pump and stretches into the shell and directly above the sewage collecting tank, and one or a plurality of nozzles are connected to the backflushing cleaning pipe directly above the sewage collecting tank.

Preferably, the aperture of the filter screen is not more than 38 mu m, and two ends of the filter screen are fixed on the roller through fixing sheets.

Preferably, the pressurized water pump is also connected to the water inlet pipe.

Compared with the prior art, the utility model has the following technical advantages:

(1) The utility model can bear larger flushing water pressure because of the design of the reticular fixing mechanism on the filter screen, and the powerful water flow generated by the pressurized water pump back washes the filter screen, so that the impurities accumulated on the filter screen can be removed rapidly and effectively. In the back flushing process, the motor controls the roller to reversely rotate, high-pressure water is sprayed from the outside to the inside of the roller, impurities are washed out to a sewage collecting groove below the roller and discharged out of the filtering device, magazines on the filter screen can be thoroughly removed, the filter screen is not blocked, and the filtering efficiency is not influenced.

(2) The utility model adopts high-efficiency filtration technology and fine filter screen (aperture is not more than 38 μm), can remove impurities and pollutants in water more thoroughly, and ensures that the water quality is clearer and more transparent. Is beneficial to improving the quality of the living environment of the aquaculture organisms, reducing the risk of diseases and promoting the healthy growth of the aquaculture organisms. The back flushing can be performed regularly, so that manual judgment of when back flushing is needed is not needed, the labor cost is saved, and meanwhile, the continuous and stable operation of the filtering system is ensured.

(3) The utility model can adjust the rotating speed of the roller according to the actual filtering requirement, flexibly adjust the filtering speed under different water quality conditions and cultivation stages, not only ensure the filtering effect, but also reduce the energy consumption. The water baffle plates are arranged on the two sides of the rolling drum, so that sewage and impurities can be effectively prevented from flying out of the drum, filtered water is polluted, and the whole device is simple in structure and easy to clean and maintain in the later period.

Drawings

FIG. 1 is a schematic perspective view of the present utility model

FIG. 2 is a schematic perspective view of the present utility model

FIG. 3 is a schematic view of the structure of the present utility model (left side view)

FIG. 4 is a schematic view of the structure of the present utility model (front view)

Wherein, 1, a shell 2, a roller 3, a filter screen 4, a sewage collecting tank 5, a water inlet pipe 6, an unpowered roller 7, a powered roller 8, a fixed seat 9, a wheel baffle 10, a motor 11, a sewage collecting tank 12, a blow-down pipe 13, a backflushing cleaning pipe 14, a nozzle 15, a fixed sheet 16, a purified water collecting port 17 and a water baffle.

Detailed Description

The utility model will now be further described with reference to specific embodiments and accompanying drawings.

As shown in fig. 1-4, the utility model discloses an electric roller filtering device for aquaculture, which comprises a shell 1, a driving part, a roller 2, a filter screen 3, a sewage collecting tank 4, a water inlet pipe 5 and a backflushing cleaning device, wherein the bottom of the shell 1 is provided with a purified water collecting port 16, the driving part mainly comprises a motor 10, three unpowered rollers 6 and a powered roller 7, the motor 10 is arranged outside the shell 1, the three unpowered rollers 6 and the powered roller 7 are arranged inside the shell 1, the bottom of the inner side of the shell 1 is provided with a fixing seat 8, the square position relationship between the three unpowered rollers 6 and the powered roller 7 is fixed on the fixing seat 8, the roller 2 is also arranged inside the shell 1, wheel baffles 9 are respectively arranged on the outer circumferences of two ends of the roller 2, the three unpowered rollers 6 and the powered roller 7 are respectively and rotatably connected with the wheel baffles 9, the motor 10 drives the powered roller 6 connected with the motor to rotate, and then drives the roller 2 to rotate, and then drives the other two unpowered rollers 6 to rotate.

The drum 2 is provided with a plurality of filtering holes (not shown) and the filter screen 3 is fixed on the periphery of the drum 2 through a fixing sheet 15, one end of a water inlet pipe is connected with a pressurized water pump (not shown) and the other end of the water inlet pipe penetrates through the shell 1 to extend into the drum 2, the sewage collecting tank 11 transversely penetrates through the shell 1 to enter the drum 2 and extends out of the other side of the shell 1, and is communicated with a sewage drain pipe 12 arranged outside the shell 1, and the sewage drain pipe 12 is vertically arranged.

The back flushing cleaning device consists of a pressurized water pump, a back flushing cleaning pipe 13 and six nozzles 14, wherein the pressurized water pump is arranged outside the shell 1, the back flushing cleaning pipe 13 is connected with the pressurized water pump and stretches into the shell 1 and the position right above the sewage collecting tank 11, and the six nozzles 14 are connected to the back flushing cleaning pipe 13 right above the sewage collecting tank 11.

The left and right ends of the drum 2 are not sealed, and a circle of water blocking plates 17 are provided at the left and right end positions of the drum 2 along the circumferential direction thereof to prevent the liquid or foreign matter in the drum 2 from flowing out of the drum.

In the utility model, the roller 2 is a core component of the device, is generally cylindrical in shape, is generally made of food-grade plastics, stainless steel and other materials, and has good corrosion resistance and sealing performance so as to adapt to aquaculture environment.

The filter screen 3 is covered outside the roller 2, is made of 316L stainless steel, has the aperture of not more than 38 mu m, and has the characteristics of corrosion resistance, high strength, high filtering precision and the like. The pore size of the filter screen 3 is determined according to the filter requirement, and dirt such as residual bait, excrement and algae in aquaculture water can be effectively intercepted, so that solid-liquid separation is realized.

The power roller 7 can be connected with the motor 10 through gears, belts or direct connection, and the motor 10 provides power to drive the roller to rotate the roller 2. The motor 10 is typically a waterproof, explosion-proof motor to ensure safe and reliable operation in a wet aquaculture environment.

A pressurized water pump is located outside the housing 1 for providing the pressure required for filtration and backwash. In the filtering process, the water to be filtered is pumped into the drum 2 by the pressurized water pump, so that the water is filtered through the filter screen 3 under the pressure effect, and in the back flushing process, the filter screen 3 is flushed by the pressurized water pump to remove dirt on the filter screen 3.

A sump 4 is located above the inside of the drum 2 for collecting dirt intercepted by the filter screen 3 during the filtering process. The dirt collecting tank 4 is designed to facilitate the collection and discharge of dirt so as to avoid accumulation of dirt in the filter and influence the filtering effect. The drain pipe 12 is connected to the sump 4 to discharge the collected dirt out of the filter device for centralized treatment. The pipe diameter and the material of the sewage discharge pipe 12 should be selected according to the nature and the discharge amount of sewage to ensure smooth sewage discharge.

In the actual operation, the motor 10 controls the roller 2 to rotate positively, water to be filtered is pumped into the water inlet pipe 5 through the pressurized water pump, water is thrown out through the filter screen 3 and then gathered to the purified water collecting port 16 at the bottom of the shell 1 to flow out, when more dirt is on the filter screen 3, the water inlet pipe 5 stops water inlet, the motor 10 controls the roller 2 to rotate reversely, the pressurized water pump conveys clean high-pressure water to the nozzle 14, dirt adsorbed on the filter screen 3 is washed into the dirt collecting tank 11 right below, meanwhile, the dirt is washed from one end of the dirt collecting tank 11 through the high-pressure water gun, and the dirt is washed to the drain pipe 12 at the other end of the dirt collecting tank 11 for uniform treatment.

According to the utility model, a user can set a control electric box according to the self requirement, and the control electric box is placed outside the shell and used as a control center of the filtering device, so that the starting and stopping of equipment such as a motor, a pressurized water pump and the like can be controlled, and the automatic operation of the filtering device is realized. Electrical elements such as leakage protection switches, relays, contactors and the like are usually arranged in the control electric box so as to ensure safe operation of the equipment. This content is not a matter of protection of the present utility model and is already publicly known technology and will not be described in detail here.

Claims (7)

1. An electric drum filter device for aquaculture, characterized in that: it includes a shell, a drive component, a drum, a filter screen, a sludge collection tank, a water inlet pipe, and a backwashing device; the bottom of the shell is provided with a clean water collection port; the drum is arranged inside the shell, and the drum wall is provided with a plurality of filter holes; the filter screen is fixed to the outside of the drum; the drive component controls the rotation of the drum; the water inlet pipe passes through the shell and extends into the drum; the sludge collection tank passes laterally through the inside of the drum, and its other end is connected to a drain pipe; the drain pipe is arranged outside the shell; and the backwashing device is fixed inside the shell, outside the drum, and directly above the sludge collection tank. 2. The electric drum filter device for aquaculture according to claim 1, characterized in that: the left and right sides of the drum are not sealed, and a baffle plate is fixed at the end of the left and right sides of the drum along its periphery to prevent the liquid inside the drum from flowing out of the drum. 3. The electric drum filter device for aquaculture according to claim 1, characterized in that: the driving component includes a motor, three unpowered rollers and one powered roller, the motor is located outside the housing, a fixed seat is provided at the bottom inner side of the housing, the three unpowered rollers and one powered roller are fixed on the fixed seat in a square position relationship, wheel baffles are provided on the outer periphery of the left and right sides of the drum, the three unpowered rollers and one powered roller are rotatably connected to the wheel baffles, the motor drives the powered roller to rotate, drives the unpowered roller connected to it to rotate, then drives the drum to rotate, and then drives the other two unpowered rollers to rotate as well, the speed of the drum is adjustable. 4. The electric drum filter device for aquaculture according to claim 1, characterized in that: the two ends of the sludge collection tank extend out of the shell, and the bottom of one end is connected to the drain pipe, which is vertically arranged. 5. An electric drum filter device for aquaculture according to claim 1, characterized in that: the backwashing device includes a pressurized water pump, a backwashing pipe, and nozzles, the pressurized water pump is located outside the housing, the backwashing pipe is connected to the pressurized water pump and extends into the housing, directly above the sludge collection tank, and one or more nozzles are connected to the backwashing pipe directly above the sludge collection tank. 6. The electric drum filter device for aquaculture according to claim 1, characterized in that: the pore size of the filter screen is not greater than 38μm, and both ends of the filter screen are fixed to the drum by fixing plates. 7. The electric drum filter device for aquaculture according to claim 5, characterized in that: the pressurized water pump is also connected to the water inlet pipe.