Air floatation system of rotating disc type microfilter
The rotary microfilter flotation system utilizes the impact force of water flow to achieve automatic rotation of the microfilter, integrating filtration, disinfection, and aeration functions. This solves the problems of large footprint and high cost in traditional aquaculture water treatment, achieving efficient and low-cost water purification.
Patent Information
- Application Number
- CN202423311559.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Traditional aquaculture water treatment technologies require large land areas, are costly, and are difficult to efficiently remove impurities from water.
The rotary microfilter flotation system combines a microfilter and a flotation chamber, utilizing the impact force of water flow to achieve automatic rotation of the microfilter. It integrates filtration, disinfection, aeration, and protein separation functions, reducing dependence on power.
It achieves efficient and low-cost impurity removal in small-scale aquaculture water treatment, saves energy, occupies a small area, and has complete functions.
Smart Images
Figure CN223722848U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of aquaculture water treatment device, concretely relates to a carousel formula microfilter air floating system. BACKGROUND
[0002] At present, along with the great increase of water product demand, the traditional pond culture has not been able to meet market demand, and factory aquaculture develops rapidly. Factory culture adopts culture box, culture bucket and culture pond, adopts the water body circulation system of full-closed type, carries out intensive aquaculture, and the land occupation area of culture is greatly reduced, water is less, pollution is small, and the influence of region is small.
[0003] Aquaculture can produce a large amount of organic matter, inorganic matter, microorganism and their aggregates and animal tissue, feces, feed residue, silt, corrosion product, how to efficiently and quickly remove impurities in water body has been the key technical problem of aquaculture water treatment. At present, the main technology for removing water body impurities is sedimentation, screening, air flotation and the like.
[0004] At present, the area used for aquaculture tail water treatment has accounted for more than 10% of the total culture water surface, of which 50% is used for removing particulate matter by sedimentation, and a large amount of land is occupied, so developing an integrated particulate matter treatment technology with less land occupation, low use cost and high efficiency is the main content of aquaculture water treatment technology. SUMMARY
[0005] The utility model discloses a carousel formula microfilter air floating system, which has the characteristics of small volume, small land occupation, low use cost and good purification effect.
[0006] The utility model discloses the technical scheme as follows:
[0007] A carousel formula microfilter air floating system, comprising a microfiltration chamber, an air floating chamber and a microfilter, the microfiltration chamber is connected with the air floating chamber, the microfilter is arranged in the microfiltration chamber, the microfilter has a funnel-shaped structure with a large upper part and a small lower part, a filter screen is arranged on the periphery of the microfilter, and a discharge pipe is arranged at the axial position of the bottom end of the microfilter; a support frame is arranged at the middle and lower part of the microfiltration chamber, a bearing is installed at the axial position of the support frame, and the discharge pipe is embedded in the bearing; an installation frame is arranged at the middle and upper part of the microfiltration chamber, a plurality of rollers are installed on the installation frame, and the plurality of rollers are arranged in a circular shape on the installation frame; a sliding rail is installed at the top end of the microfilter, the sliding rail is tangent to the rollers; a water inlet pipe is arranged at the upper end of the microfiltration chamber, the water inlet pipe is inserted into the microfiltration chamber, and a water outlet is arranged above the microfilter; the water outlet is arranged obliquely downward; a water outlet is formed in one side wall of the microfiltration chamber, the water outlet is arranged at the upper end of the microfiltration chamber connected with the air floating chamber, and the water outlet connects the microfiltration chamber with the air floating chamber.
[0008] Further, the lower end of the discharge pipe is connected with a blowdown pipe through a rotary sealing ring.
[0009] Further, the microfiltration chamber is provided with a liquid level controller arranged at the front end of the water outlet and a backwashing device installed below the side of the microfiltration machine through a support, the backwashing device is arranged parallel to the funnel-shaped side wall of the microfiltration machine, and the liquid level controller and the backwashing device are electrically connected.
[0010] Further, a plurality of spray heads are arranged on the backwashing device and connected with an external water pump.
[0011] Further, the bottom end of the microfiltration chamber is provided with a sterilization device, which is a UV lamp.
[0012] Further, the air flotation chamber is provided with a first slow-flow plate, a second slow-flow plate, an aeration device, a foam collector and a first partition plate and a second partition plate, the first partition plate is installed on one side of the water outlet, the upper end of the first partition plate is fixed to the top end of the air flotation chamber, the lower end of the first partition plate is open, the first partition plate is parallel to the side wall of the air flotation chamber, the first slow-flow plate is installed between the first partition plate and the side wall of the air flotation chamber and below the water outlet, two water outlets are installed on the upper part of the air flotation chamber, the second partition plate is installed on one side close to the water outlet, the second partition plate is parallel to the side wall of the air flotation chamber, the second slow-flow plate is installed between the second partition plate and the side wall of the air flotation chamber and below the water outlet, the upper end of the second partition plate is fixed to the top end of the air flotation chamber, and the lower end of the second partition plate is open, the aeration device is installed at the bottom of the air flotation chamber and connected with an external air compressor, and the foam collector is arranged on one side close to the second slow-flow plate.
[0013] Further, the first slow-flow plate is parallel to the bottom surface, and arrayed through holes are formed in the first slow-flow plate.
[0014] Further, the second slow-flow plate is parallel to the bottom surface, and arrayed through holes are formed in the second slow-flow plate.
[0015] Further, the water outlet is installed on the side wall on one side relative to the water outlet, and the height of the water outlet is slightly lower than the height of the water outlet.
[0016] Compared with the prior art, the utility model obtains the beneficial effects as follows:
[0017] The utility model discloses a rotary disc type microfiltration machine, which realizes automatic rotation of the microfiltration machine by using the impact force of water, realizes automatic filtration of breeding water, does not need to set up power supply, can effectively save the use of energy, realizes physical filtration of breeding water, integrates the microfiltration machine and air flotation, is small in size, small in occupied area, complete in function, can realize filtration, disinfection, aeration, protein separation and other functions, and is suitable for small water body breeding water treatment. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application; Figure 1 Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application;
[0019] Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application; Figure 2 Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application;
[0020] Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application; Figure 3 Figure 2 is a perspective view of the rotary disc micro-filter air flotation system according to the present application. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict, and the present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0022] As Figure 1 , Figure 3As shown, a rotary disc type microfilter air floating system comprises a microfilter chamber 1, an air floating chamber 2 and a microfilter 3, the microfilter chamber 1 is connected with the air floating chamber 2, the microfilter 3 is arranged in the microfilter chamber 1, the microfilter 3 is a rotary disc type unpowered microfilter, the microfilter 3 is in a funnel structure with large upper part and small lower part, a filter screen is arranged on the periphery of the microfilter 3 for filtering out impurities in water, a discharge pipe 31 is arranged at the bottom end of the microfilter 3, the impurities filtered out by the filter screen are discharged through the discharge pipe 31, the discharge pipe 31 has a certain strength, which can support the whole microfilter 3 and also be used for guiding the impurities; a support frame 11 is arranged at the middle lower part of the microfilter chamber 1, a bearing 12 is arranged at the axial position of the support frame 11, the discharge pipe 31 is embedded into the bearing 12, so that the microfilter 3 can rotate around the bearing 12; a blow-off pipe 32 is connected to the lower end of the discharge pipe 31 through a rotary sealing ring, the impurities filtered out by the microfilter 3 are collected in the discharge pipe 31 and discharged through the blow-off pipe 32; an installation frame 13 is arranged at the middle upper part of the microfilter chamber 1, a plurality of rollers 14 are arranged on the installation frame 13, the plurality of rollers 14 are arranged in a circular shape on the installation frame 13, a sliding rail 33 is arranged at the top end of the microfilter 3, the sliding rail 33 is tangent to the rollers 14, the sliding rail 33 can drive the rollers 14 to rotate when the microfilter 3 rotates, the plurality of rollers 14 can limit the position of the microfilter 3 and also promote the rotation of the microfilter 3, a water inlet pipe 15 is arranged at the upper end of the microfilter chamber 1, the water inlet pipe 15 is inserted into the microfilter chamber 1, and a water outlet 151 is arranged above the microfilter 3, the water outlet 151 is arranged obliquely downward, the aquaculture water to be treated flows out from the water outlet 151 and impacts on the microfilter 3 at a certain angle and speed, the energy of the water flow is converted into rotary mechanical energy to drive the microfilter 3 to rotate, the bearing 12 at the bottom of the microfilter 3 and the rollers 14 at the top can promote the rotation of the microfilter 3.
[0023] The side wall of the microfiltration chamber 1 is provided with a water outlet 16, which is located at the upper end of the microfiltration chamber 1 connected with the air flotation chamber 2. The water outlet 16 connects the microfiltration chamber 1 with the air flotation chamber 2, and the water in the microfiltration chamber 1 enters the air flotation chamber 2 through the water outlet 16. In order to prevent the filter screen from being blocked due to long-term use of the microfiltration machine 3, the microfiltration chamber 1 is provided with a liquid level controller 5 and a backwashing device 6. The liquid level controller 5 is arranged at the front end of the water outlet 16 and is used to detect the water level in the microfiltration chamber 1. The backwashing device 6 is installed below the microfiltration machine 3 through a support and is arranged parallel to the funnel-shaped side wall of the microfiltration machine 3. The backwashing device 6 is provided with a plurality of nozzles connected with an external water pump. The high-pressure water sprayed by the nozzles can wash away the impurities on the filter screen of the microfiltration machine 3, thereby cleaning the microfiltration machine 3. The liquid level controller 5 and the backwashing device 6 are electrically connected. When the water level in the microfiltration chamber 1 is too low, the liquid level controller 5 sends a signal to the backwashing device 6, and the backwashing device 6 washes the microfiltration machine 3. The impurities washed out are discharged through a sewage pipe 32. In order to further kill bacteria in the water, the bottom end of the microfiltration chamber 1 is provided with a sterilization device 4, which is preferably a UV lamp. The UV light emitted by the UV lamp can kill bacteria in the water. The side of the microfiltration chamber 1 is provided with a transparent observation window 17 for observing the running condition in the microfiltration chamber 1.
[0024] The top end of the air floatation chamber 2 is provided with an openable and closable transparent top cover for observing the operation in the air floatation chamber 2, the air floatation chamber 2 is provided with a first slow flow plate 21, a second slow flow plate 22, an aeration device 23, a foam collector 24, a first partition plate 25 and a second partition plate 26, the first partition plate 25 is installed on one side of the water outlet 16, the first partition plate 25 is parallel to the side wall of the air floatation chamber 2, the first slow flow plate 21 is installed between the first partition plate 25 and the side wall of the air floatation chamber 2 and below the water outlet 16, the upper end of the first partition plate 25 is fixed on the top end of the air floatation chamber 2 and the lower end is openable and closable, the first slow flow plate 21 is parallel to the bottom surface, the first slow flow plate 21 is used for delaying the water flow speed to accelerate the precipitation of impurities, the first slow flow plate 21 is provided with an array of through holes, the water in the micro filtration chamber 1 enters the air floatation chamber 2 through the water outlet 16, the water realizes the first slow flow through the through holes of the first slow flow plate 21, and the water passing through the first slow flow plate 21 flows into the air floatation chamber 2 from the lower end of the first partition plate 25; two water outlets 27 are installed on the side wall on the side relative to the water outlet 16, the water in the air floatation chamber 2 is discharged through the water outlets 27, the height of the water outlets 27 is slightly lower than the height of the water outlet 16, the second partition plate 26 is installed on the side close to the water outlets 27, the second partition plate 26 is parallel to the side wall of the air floatation chamber 2, the second slow flow plate 22 is installed between the second partition plate 26 and the side wall of the air floatation chamber 2 and below the water outlets 27, the upper end of the second partition plate 26 is fixed on the top end of the air floatation chamber 2 and the lower end is openable and closable, the second slow flow plate 22 is parallel to the bottom surface, the second slow flow plate 22 is provided with an array of through holes, the second slow flow plate 22 is used for delaying the water outlet speed to increase the precipitation time to improve the precipitation efficiency; the purified water enters from the lower end of the second partition plate 26, flows upwards through the second slow flow plate 22 and is discharged from the water outlets 27; the aeration device 23 is installed at the bottom of the air floatation chamber 2, the aeration device 23 is connected with an external air compressor, is used for pumping air into the water in the air floatation chamber 2, the aeration device 23 is an aeration pipe, the aeration pipe is provided with micro holes, high-pressure air is sucked into the water from the micro holes to form micro bubbles, the bubbles combine with the suspended matters in the water in the air floatation chamber to form floatation bodies, the suspended matters are floated to the water surface by the floating effect of the bubbles to form foam or scum, so that the suspended matters in the water are separated, the air and the water are fully mixed and energy exchange is carried out to increase the dissolved oxygen content in the water; the foam collector 24 is installed on the side close to the second slow flow plate 22, the foam collector 24 is used for collecting the foam or scum generated by the aeration device 23.
[0025] The operation process of the device is as follows:
[0026] The water body to be treated enters the microfiltration chamber 1 through the water inlet pipe 15 and flows out from the water outlet 151, and impacts on the microfiltration machine 3 at a certain angle and speed, converts the energy of the water flow into rotary mechanical energy to drive the microfiltration machine 3 to rotate, and the filter screen on the microfiltration machine 3 retains the impurities in the water body, the impurities are collected to the discharge pipe 31 and discharged from the blowdown pipe 32; the filtered water body falls to the bottom end of the microfiltration chamber 1, and the UV lamp works to disinfect the filtered water body; the disinfected water body enters the air flotation chamber 2 through the water outlet 16, the water body realizes the first slow flow through the through holes of the first slow flow plate 21, slows down the water inflow rate, prevents the water from entering too fast to affect the aeration effect, the water body passing through the first slow flow plate 21 flows into the air flotation chamber 2 from the lower end of the first partition plate 25, then the aeration device 23 works to pump high-pressure air into the water body, separates the suspended substances in the water, and increases the dissolved oxygen content in the water, and the generated foam or scum is removed through the foam collector 24; the purified water body enters from the lower end of the second partition plate 26, flows upwards through the second slow flow plate 22, and is discharged from the water outlet pipe 27, and the second slow flow plate 22 further slows down the water outlet speed, increases the sedimentation time, and improves the sedimentation efficiency. When the impurities on the microfiltration machine 3 are too much to cause the microfiltration machine 3 to be blocked, the water level in the microfiltration chamber 1 will be lowered, and the liquid level controller 5 will send a signal to the backwashing device 6 when the water level is too low, and the backwashing device 6 washes the microfiltration machine 3, and the impurities washed out are discharged through the blowdown pipe 32.
[0027] The utility model discloses a disc type microfiltration machine is set up, utilize the impact force of water and realize the automatic rotation of microfiltration machine, realize the automatic filtration of aquaculture water, need not set up power supply, can effectively save the use of energy, realize the physical filtration of aquaculture water, the device integrates microfiltration machine and air floatation, and the volume is small, and the occupied area is small, and the function is complete, can realize filtration, disinfection, aeration, protein separation and other functions, is applicable to small water body aquaculture water treatment.
[0028] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure or equivalent process conversion of the utility model specification content, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A rotating disc microfilter air flotation system comprising a microfiltration chamber, an air flotation chamber and a microfilter, characterized in that: The microfiltration chamber is connected with the air floatation chamber, the microfiltration machine is arranged in the microfiltration chamber, the microfiltration machine has a funnel-shaped structure with a large upper end and a small lower end, a filter screen is arranged on the periphery of the microfiltration machine, a discharge pipe is arranged at the bottom end of the microfiltration machine, a support frame is arranged at the middle lower part of the microfiltration chamber, a bearing is arranged at the axial center of the support frame, the discharge pipe is embedded in the bearing, a mounting frame is arranged at the middle upper part of the microfiltration chamber, a plurality of rollers are arranged on the mounting frame, the plurality of rollers are arranged in a circular shape on the mounting frame, a sliding rail is arranged at the top end of the microfiltration machine, the sliding rail is tangent to the rollers, a water inlet pipe is arranged at the upper end of the microfiltration chamber, the water inlet pipe is inserted into the microfiltration chamber, a water outlet is arranged above the microfiltration machine, the water outlet is arranged obliquely downward, a water outlet is arranged on one side wall of the microfiltration chamber, the water outlet is arranged at the upper end of the microfiltration chamber connected with the air floatation chamber, and the water outlet connects the microfiltration chamber with the air floatation chamber.
2. The rotary disk microfilter air flotation system of claim 1, wherein: The lower end of the discharge pipe is connected with a blowdown pipe through a rotary sealing ring.
3. The rotary disk microfilter air flotation system of claim 1, wherein: The microfiltration chamber is provided with a liquid level controller and a backwashing device, the liquid level controller is arranged at the front end of the water outlet, the backwashing device is arranged below the microfiltration machine through a support, and the backwashing device is parallel to the side wall of the funnel-shaped microfiltration machine; and the liquid level controller and the backwashing device are electrically connected.
4. The rotary disk microfilter air flotation system of claim 3, wherein: A plurality of spray heads are arranged on the backwashing device, and the spray heads are connected with an external water pump.
5. The rotary disk microfilter air flotation system of claim 1, wherein: A sterilization device is arranged at the bottom end of the microfiltration chamber, and the sterilization device is a UV lamp.
6. The rotary disk microfilter air flotation system of claim 1, wherein: The air floatation chamber is provided with a first slow flow plate, a second slow flow plate, an aeration device, a foam collector, a first partition plate and a second partition plate, the first partition plate is arranged on one side of the water outlet, the upper end of the first partition plate is fixed to the top end of the air floatation chamber, the lower end of the first partition plate is open, the first partition plate is parallel to the side wall of the air floatation chamber, the first slow flow plate is arranged between the first partition plate and the side wall of the air floatation chamber and below the water outlet, two water outlet pipes are arranged at the upper part of the air floatation chamber, the second partition plate is arranged on one side close to the water outlet pipes, the second partition plate is parallel to the side wall of the air floatation chamber, the second slow flow plate is arranged between the second partition plate and the side wall of the air floatation chamber and below the water outlet pipes, the upper end of the second partition plate is fixed to the top end of the air floatation chamber, and the lower end of the second partition plate is open, the aeration device is arranged at the bottom of the air floatation chamber, the aeration device is connected with an external air compressor, and the foam collector is arranged on one side close to the second slow flow plate.
7. The rotary disk microfilter air flotation system of claim 6, wherein: The first slow flow plate is parallel to the bottom surface, arrayed through holes are arranged on the first slow flow plate, the second slow flow plate is parallel to the bottom surface, and arrayed through holes are arranged on the second slow flow plate.