CN113213705A

CN113213705A - Sewage purification device

Info

Publication number: CN113213705A
Application number: CN202110587350.2A
Authority: CN
Inventors: 朱晓仪; 朱至吉
Original assignee: Foshan Fengyu Technology Development Co ltd
Current assignee: Foshan Fengyu Technology Development Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-08-06

Abstract

The invention discloses a sewage purification device, which relates to the field of aquaculture equipment, and is characterized in that sewage in a culture pond is treated by sequentially arranging a sewage collection pond, a biochemical pond, a disinfection pond, a water purification pond and a micro-filter, wherein the bottom surfaces of the sewage collection pond, the biochemical pond, the disinfection pond and the water purification pond are respectively provided with a sewage discharge branch pipe, the sewage discharge branch pipes are connected with a squeezer through a sewage discharge main pipe, and the on-off of the sewage discharge branch pipes is controlled through a control valve; when impurities in the sewage collection pool, the biochemical pool, the disinfection pool or the water purification pool need to be cleaned, the squeezer is started, the corresponding control valve is opened, the impurities pass through the sewage discharge branch pipe and the sewage discharge main pipe and enter the squeezer, after the impurities are squeezed in the squeezer, water in the impurities is discharged from the water outlet end of the squeezer, the impurities are compressed into solid powder or cakes, the discharged impurities almost contain no moisture, and the water discharged from the water outlet end of the squeezer is discharged into the sewage collection pool, so that the water loss is reduced; the impurity treatment is convenient and simple, and requires a small space.

Description

Sewage purification device

Technical Field

The invention relates to the field of aquaculture equipment, in particular to a sewage purification device.

Background

In aquaculture, the water can have the impurity of production excrement and urine, fodder residue, consequently, the water in the aquaculture pond needs often to be changed to guarantee the quality of water, improve the survival rate of production. At present, water in a culture pond is generally lifted into a water purification device through a water pump, and the water returns to an aquaculture pond after filtration, biochemical treatment, oxygenation and disinfection and sterilization treatment to form a circulating system for water purification treatment, and impurities collected in the water purification device are discharged and discarded.

In present aquaculture equipment, when discharge impurity, also can take away partial water yield, consequently, this kind of mode can cause the waste of water yield, needs often to supply the water yield toward breeding in the pond. When the aquaculture apparatus is used indoors, i.e., indoor aquaculture, the space for the aquaculture is limited, and therefore, the impurities collected in the water purification apparatus are inconvenient to treat.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide a sewage purification device, and aims to solve the problems of water waste and inconvenient impurity treatment of the existing aquaculture equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a sewage purification device, includes the dirty pond of collection of upper end and breed pond intercommunication, collect dirty pond upper end and still connect gradually biochemical pond, disinfection pond and clean water reservoir, collect dirty pond, biochemical pond, disinfection pond and clean water reservoir bottom surface and all be equipped with the blowdown branch pipe, blowdown branch pipe middle part is equipped with the control valve, and blowdown branch pipe one end is connected with the blowdown house steward, and the one end of blowdown house steward is connected with the squeezer, the play water end and the dirty pond upper end intercommunication of collection of squeezer, the lower extreme of clean water reservoir still is connected with the drain pipe.

The sewage purification device, dirty pond, biochemical pond and the clean water reservoir of collection are more than two, and the dirty pond of collection more than two, biochemical pond more than two and more than two clean water reservoir all concatenate, keep away from the dirty pond of collection of biochemical pond and breed the pond and be connected, the drain pipe is established in the bottom of the clean water reservoir of keeping away from the disinfection pond.

In the sewage purification device, the lower ends of the sewage collecting tank, the biochemical tank, the disinfection tank and the water purifying tank are conical.

In the sewage purification device, a microstrainer is connected to the drain pipe, the microstrainer comprises a box body, the interior of the box body is divided into a water inlet chamber, a filter chamber and a disinfection chamber through partition plates, the drain pipe is communicated with the water inlet chamber, a first through hole is formed in the partition plate between the filter chamber and the water inlet chamber, the water inlet chamber is communicated with the filter chamber through the first through hole, a second through hole is formed in the partition plate between the filter chamber and the disinfection chamber, and the filter chamber is communicated with the disinfection chamber through the second through hole;

a water passing tank is fixed in the sterilizing chamber, the interior of the water passing tank is communicated with the filtering chamber through a second through hole, a plurality of water passing pipelines are arranged on the top surface of the water passing tank, UV sterilizing components are mounted in the water passing pipelines, and a water outlet pipeline is arranged outside the water passing tank in the sterilizing chamber;

the filter chamber internal rotation is connected with filter drum, and filter drum one end face is close to first through-hole setting, and filter drum inside and first through-hole intercommunication, and filter drum keeps away from one end face seal of first through-hole, be equipped with drive assembly on the filter chamber, drive assembly and filter drum transmission are connected.

In the sewage purification device, a water receiving tank is arranged in the filtering roller and is fixed on the inner wall of the filtering chamber, the opening of the water receiving tank is upward, a slag discharging port is arranged at the bottom of the water receiving tank, a slag discharging pipeline is connected to the slag discharging port, and one end of the slag discharging pipeline extends to the outside of the filtering chamber; and a flushing water pipe is fixed at the upper end or above the filtering chamber, is arranged right above the filtering roller, is parallel to the central axis of the filtering roller and is fixed with a spray head, and the spray head is arranged towards the water receiving tank.

In the sewage purification device, the lower edge of the first through hole is in the shape of a circular arc concentric with the filter drum, and a sealing strip attached to the inner wall of the filter drum is fixed on the first through hole.

Sewage purification device in, the filter drum both ends are connected with wheel hub form ring, ring surface and filter drum fixed connection, ring center installation pivot, pivot both ends and filter chamber inner wall fixed connection, the pivot is the tubulose, pivot one end is sealed, the other end with arrange the sediment pipe connection, pivot middle part and water receiving tank fixed connection, the row's of water receiving tank cinder notch and the inside intercommunication of pivot.

In the sewage purification device, the height of the water outlet end of the water passing pipeline and the height of the water outlet pipeline are both lower than the height of the rotating shaft, and the height of the lowest position of the first through hole is lower than the height of the rotating shaft.

Has the advantages that: through setting gradually dirty pond of collection, biochemical pond, disinfection pond, clean water reservoir and microstrainer to breed the sewage in the pond and handle for sewage is through deposiing, detach organic compounds such as ammonia nitrogen and nitrite, disinfection and further deposit, filtration and disinfection, realizes the purification to sewage, then discharges back to and breeds the pond in, guarantees that the water in the breed pond is clean, improves the survival rate of aquatic products. The sewage collecting pool, the biochemical pool, the disinfection pool and the clean water pool are all provided with sewage branch pipes, the sewage branch pipes are connected with the squeezer through a sewage main pipe, and the on-off of the sewage branch pipes is controlled by a control valve; when the impurity in dirty pond, biochemical pond, disinfection pond or the clean water reservoir of needs clearance collection, start the squeezer to open corresponding control valve, inside impurity process blowdown branch pipe and blowdown house steward and get into the squeezer, impurity is inside squeezing the processing back at the squeezer, and the water in the impurity is discharged from the play water end of squeezer, and impurity is compressed into solid powder or pie, then discharges from the squeezer. Therefore, the discharged impurities contain almost no water, and the water discharged from the water outlet end of the squeezer is discharged into the sewage collecting tank, namely the circulating system formed by the culture tank, the sewage collecting tank, the biochemical tank, the disinfection tank or the clean water tank, so that the water quantity loss is less; and the impurity that compresses into solid powder or cake form can become the fertilizer of crops to the transport is convenient, and impurity is handled the back through the squeezer, conveniently removes it, in whole impurity processing, and is convenient simple, and need less space.

Drawings

FIG. 1 is a schematic view of a sewage purifying apparatus.

FIG. 2 is a schematic view of the sewage purification apparatus with the micro-filter removed.

Fig. 3 is a schematic view of the structure of the microfilter.

Fig. 4 is a schematic view of the microfilter with the flush tube removed.

Fig. 5 is a plan view of the water purifying apparatus shown in fig. 4, with a mounting plate cut away.

Fig. 6 is a schematic view of the microfilter with the filter drum removed.

Fig. 7 is a front view of the filter drum.

Fig. 8 is a right side view of the filter drum shown in fig. 7.

Description of the main element symbols: 7.1-a sewage collection pool, 7.2-a biochemical pool, 7.3-a disinfection pool, 7.4-a clean water pool, 7.5-a sewage branch pipe, 7.6-a control valve, 7.7-a sewage header pipe, 7.8-a squeezer, 7.9-a drain pipe and 1-a micro-filter;

1-micro filter, 1.1-filter chamber, 1.2-flushing water pipe, 1.3-spray head, 1.4-driving component, 1.41-motor, 1.42-driving wheel, 1.43-driven wheel, 1.5-filter drum, 1.51-cylinder skeleton, 1.52-filter screen, 1.53-protective screen, 1.54-circular ring, 1.55-rotating shaft, 1.6-water outlet pipe, 1.7-water inlet pipe, 1.8-first through hole, 1.9-slag discharge pipe, 1.10-water inlet chamber, 1.11-water passing tank, 1.12-disinfection component, 1.13-disinfection chamber, 1.14-mounting plate, 1.20-water passing pipe, 1.21-U-shaped groove, 1.22-second through hole, 1.23-sealing strip, 1.24-groove.

Detailed Description

The present invention provides a sewage purification apparatus, which is described in further detail below with reference to the accompanying drawings and examples, in order to make the objects, technical solutions and effects of the present invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1 and 2, a sewage purification device, including the dirty pond 7.1 of collection of upper end and breed pond intercommunication, the dirty pond upper end of collection still has connected gradually biochemical pond 7.2, disinfection pond 7.3 and clean water reservoir 7.4, dirty pond 7.1 of collection, biochemical pond 7.2, disinfection pond 7.3 and clean water reservoir 7.4 bottom surface all are equipped with blowdown branch pipe 7.5, and blowdown branch pipe 7.5 middle part is equipped with control valve 7.6, and blowdown branch pipe 7.5 one end is connected with blowdown house steward 7.7, and the one end of blowdown house steward 7.7 is connected with squeezer 7.8, squeezer 7.8's outlet end and the dirty pond 7.8 upper end intercommunication of collection, clean water reservoir 7.4's lower extreme still is connected with drain pipe 7.9.

In the above, the sewage collecting tank 7.1 is used for the precipitation of sewage, that is, after the sewage in the culture tank enters the sewage collecting tank 7.1, the sewage enters the biochemical tank 7.2 in an overflow mode, and impurities such as excrement, feed residues and the like can be settled to the bottom of the sewage collecting tank 7.1 under the action of gravity, so that the water entering the biochemical tank 7.2 is settled water and only has a small amount of impurities dissolved in the water. Specifically, in order to increase the sedimentation effect of sewage in the sewage collecting tank 7.1, a water inlet for connecting with the culture tank and a water outlet for connecting with the biochemical tank 7.2 can be respectively arranged at two sides of the sewage collecting tank 7.1, so that the water inlet position and the water outlet position of the sewage collecting tank 7.1 are far apart, and impurities have enough time to settle. The position of the water inlet position can be lower than that of the water outlet position, namely the end which is introduced with the sewage is arranged in the middle layer water in the sewage collecting tank 7.1, and the water flowing into the biochemical tank 7.2 is the upper layer water of the sewage collecting tank 7.1, so that heavier impurities can not enter the biochemical tank 7.2; in other words, the impurities are heavy and only sink down, but not float up to the water outlet.

In order to avoid the floating objects from entering the biochemical pool 7.2, a filter screen plug can be arranged on the water outlet.

Under the action of biochemical bacteria, the water entering the biochemical pool 7.2 carries out nitration reaction on organic compounds such as ammonia nitrogen, nitrite and the like in the water, so that the organic compounds such as ammonia nitrogen, nitrite and the like are removed. Similarly, the water in the biochemical pool 7.2 enters the disinfection pool 7.3 by means of overflow, namely, the water outlet end of the biochemical pool 7.2 is arranged at the upper end of the biochemical pool 7.2.

The disinfection pond 7.3 is used for killing the bacterium virus etc. in the water, can disinfect to the water through at disinfection pond 7.3 internally mounted ultraviolet lamp or/and let in modes such as ozone. When ozone is used for disinfection, the oxygen content of the water body can be increased in the water. Wherein, in the disinfection tank 7.3, the middle and upper layer water is taken to flow into the clean water tank 7.4. Further sedimentation of the water in the disinfection tank 7.3 is thus likewise possible, and no settled impurities can enter the clean water tank 7.4.

As sewage is subjected to sedimentation in the sewage collection tank 7.1, ammonia nitrogen and nitrite removal treatment in the biochemical tank 7.2 and disinfection and sterilization in the disinfection tank 7.3, water entering the clean water tank 7.4 is in a relatively clean state, namely harmful substances in production are basically removed, therefore, the lower end of the clean water tank 7.4 is also connected with a drain pipe 7.9, and the water can flow back to the culture tank through the drain pipe 7.9 after standing and sedimentation in the clean water tank 7.4.

Specifically, the bottom surfaces of the sewage collecting pool 7.1, the biochemical pool 7.2, the disinfection pool 7.3 and the clean water pool 7.4 are respectively provided with a sewage branch pipe 7.5, the middle part of the sewage branch pipe 7.5 is provided with a control valve 7.6, one end of the sewage branch pipe 7.5 is connected with a main sewage pipe 7.7, one end of the main sewage pipe 7.7 is connected with a squeezer 7.8, and the water outlet end of the squeezer 7.8 is communicated with the upper end of the sewage collecting pool 7.1.

When the device is used, because settled impurities are left at the bottoms of the sewage collecting pool 7.1, the biochemical pool 7.2, the disinfection pool 7.3 and the clean water pool 7.4, the bottom surfaces of the sewage collecting pool 7.1, the biochemical pool 7.2, the disinfection pool 7.3 and the clean water pool 7.4 are all provided with the sewage branch pipes 7.5, the sewage branch pipes 7.5 are connected with the squeezer 7.8 through the sewage main pipe 7.7, and the on-off of the sewage branch pipes 7.5 is controlled by the control valve 7.6.

When the impurities in the sewage collecting tank 7.1, the biochemical tank 7.2, the disinfection tank 7.3 or the clean water tank 7.4 need to be cleaned, the squeezer 7.8 is started, the corresponding control valve 7.6 is opened, the impurities pass through the sewage branch pipe 7.5 and the sewage main pipe 7.7 and enter the interior of the squeezer 7.8, after the impurities are squeezed in the squeezer 7.8, water in the impurities is discharged from the water outlet end of the squeezer 7.8, and the impurities are compressed into solid powder or cake shape and then discharged from the squeezer 7.8. Therefore, the discharged impurities contain almost no moisture. Wherein, the water discharged from the water outlet end of the presser 7.8 is discharged into the sewage collecting tank 7.1, namely returned into the circulating system formed by the culture pond, the sewage collecting tank 7.1, the biochemical pond 7.2, the disinfection pond 7.3 or the clean water pond 7.4, so that the water body loss is less; and the impurity that compresses into solid powder or cake can become the fertilizer of crops to carry the convenience, promptly impurity is handled through squeezer 7.8 after, conveniently removes it, in whole impurity treatment process, and is convenient simple, and need less space.

In a preferred embodiment, the number of the sewage collecting ponds 7.1, the number of the biochemical ponds 7.2 and the number of the clean water ponds 7.4 are more than two, the sewage collecting ponds 7.1, the biochemical ponds 7.2 and the number of the clean water ponds 7.4 are all connected in series, the sewage collecting pond 7.1 far away from the biochemical pond 7.2 is connected with the culture pond, and the drain pipe 7.9 is arranged at the bottom of the clean water pond 7.4 far away from the disinfection pond 7.3. Specifically, in this embodiment, the number of the sewage collecting tank 7.1, the biochemical tank 7.2 and the clean water tank 7.4 is increased, so that the settling effect of impurities in water can be improved.

In a preferred embodiment, the drain pipe 7.9 can be integrated with the sewage branch pipe 7.5 corresponding to the clean water reservoir 7.4 far away from the disinfection water reservoir 7.3, i.e. the arrangement of the water outlet of the clean water reservoir 7.4 can be reduced by additionally arranging a control valve 7.6 or a reversing valve to control the water flow direction.

In the above, the lower ends of the sewage collecting tank 7.1, the biochemical tank 7.2, the disinfection tank 7.3 and the clean water tank 7.4 are preferably tapered, so that impurities can be discharged more cleanly when being automatically discharged.

Referring to fig. 1 and 3-8, in a preferred embodiment, a microfiltration machine 1 is connected to the drainage pipe 7.9, the microfiltration machine comprises a box body, the interior of the box body is divided into a water inlet chamber, a filtering chamber and a disinfection chamber by a partition plate, and the drainage pipe is communicated with the water inlet chamber. Be equipped with first through-hole 1.8 between filter chamber 1.1 and the intake chamber 1.10, intake chamber 1.10 is through first through-hole 1.8 and filter chamber 1.1 intercommunication, be connected with inlet channel 1.7 on the intake chamber 1.10, be equipped with second through-hole 1.22 between filter chamber 1.1 and the disinfection room 1.13, filter chamber 1.1 is through second through-hole 1.22 and disinfection room 1.13 intercommunication, make the length of the water circulation passageway between filter chamber 1.1 and the disinfection room 1.13, between intake chamber 1.10 and the filter chamber 1.1 shorter, can reduce the water and circulate to disinfection room 1.13 required time, the reproduction of microorganism and virus has been reduced, can further reduce the power of UV disinfection subassembly 1.12, reduce the energy consumption, and the structure is compacter.

The sterilizing chamber 1.13 internal fixation has water tank 1.11, crosses water tank 1.11 inside through second through-hole and filter chamber 1.1 intercommunication, crosses water tank 1.11 top surface and is equipped with a plurality of water pipes 1.20, and water pipes 1.20 internally mounted has UV disinfection subassembly 1.12, sterilizing chamber 1.13 is equipped with outlet conduit 1.6 in crossing the water tank 1.11 outside, and outlet conduit 1.6 and breed pond intercommunication.

A filter roller 1.5 is rotatably connected in the filter chamber 1.1, one end face of the filter roller 1.5 is close to the first through hole 1.8, the interior of the filter roller 1.5 is communicated with the first through hole 1.8, one end face of the filter roller 1.5 far away from the first through hole 1.8 is sealed, a driving assembly 1.4 is arranged on the filter chamber 1.1, and the driving assembly 1.4 is in transmission connection with the filter roller 1.5; the lower edge of the first through hole 1.8 is in a circular arc shape concentric with the filter drum 1.5, and a sealing strip 1.23 attached to the inner wall of the filter drum 1.5 is fixed on the first through hole 1.8. Wherein, certain distance is left between the filtering roller 1.5 and the filtering chamber 1.1, the first through hole 1.8 is communicated with the inside of the filtering roller 1.5, and the position of the second through hole 1.22 is lower than the height of the filtering roller 1.5.

When the filter drum is used, sewage entering the water inlet chamber 1.10 enters the filter drum 1.5 from the first through hole 1.8 in an overflow mode, and under the action of gravity and force in the centrifugal direction generated when the filter drum 1.5 rotates, water can fall below the filter drum 1.5 through the filter drum 1.5 and is discharged from the second through hole 1.22; the particulate impurities in the sewage are left inside the filter drum 1.5 under the filtering action of the filter drum 1.5. And through the setting of drive assembly 1.4 for the use of whole filter cylinder 1.5 is even, improves filter cylinder 1.5's utilization ratio.

Preferably, the lower edge of the first through hole is in the shape of a circular arc concentric with the filter drum, and a sealing strip attached to the inner wall of the filter drum is fixed on the first through hole. Wherein, this sealing strip 1.23 one end is fixed on first through-hole 1.8 border, and the other end is in the outside of ring 1.54 and the laminating of filter drum 1.5 inner wall for sewage can not leak the filter drum 1.5 outside from between filter drum 1.5 and the filter chamber 1.1 inner wall. In other words, by means of the sealing strip 1.23, it is ensured that all the sewage enters the inside of the filter drum 1.5, i.e. all the sewage needs to be filtered by the filter drum 1.5 before reaching the second through hole 1.22.

Further, a water receiving tank 1.24 is arranged inside the filtering roller 1.5, the water receiving tank 1.24 is fixed on the inner wall of the filtering chamber 1.1, the opening of the water receiving tank 1.24 faces upwards, a slag discharging port (not marked in the figure) is arranged at the bottom of the water receiving tank 1.24, a slag discharging pipeline 1.9 is connected to the slag discharging port, and one end of the slag discharging pipeline 1.9 extends to the outer side of the filtering chamber 1.1; a washing water pipe 1.2 is fixed at the upper end or above the filtering chamber 1.1, the washing water pipe 1.2 is arranged right above the filtering roller 1.5, the central axis of the washing water pipe 1.2 is parallel to the central axis of the filtering roller 1.5, a spray head 1.3 is fixed on the washing water pipe 1.2, and the spray head 1.3 is arranged towards the water receiving tank. In practical application, the slag discharge pipeline 1.9 can be connected with a squeezer or a sewage collecting tank.

In the aforesaid, because filter cylinder 1.5 rotates at drive assembly 1.4's drive, consequently, paste the granule impurity at filter cylinder 1.5 internal face and rotate along with filter cylinder 1.5, when granule impurity turned to higher position, overcome the power of the centrifugal direction that filter cylinder 1.5 produced when rotating under the weight effect of self, and then granule impurity drops in the water receiving tank, then from row cinder notch discharge filter chamber 1.1, realize the filtration treatment of sewage, granule impurity can discharge automatically, make the clearance more convenient, and prolonged the manual cleaning time to filter cylinder 1.5.

In practical application, one end of the flushing water pipe 1.2 is sealed, the other end is connected with a clean water source through a pipeline, and a booster pump (not shown in the figure) is connected in series on the pipeline. When using, the booster pump starts, make clean water get into wash tub pipe 1.2 and follow shower nozzle 1.3 blowout at filter cylinder 1.5 at the surface outside under the booster pump effect in the water source, clean water has certain pressure under the booster pump effect, consequently can follow filter cylinder 1.5 outside impact filter cylinder 1.5 surperficial particle impurity, make the particle impurity on the filter cylinder 1.5 drop in the water receiving tank and discharge from the row's cinder notch in the water receiving tank, make filter cylinder 1.5 resume filtration ability, avoid filter cylinder 1.5 to block up. In the above, the clean water reversely washes the filter drum 1.5, so as to improve the cleaning effect of the filter drum 1.5, and the reverse direction means that the direction of the sewage to be filtered passing through the filter drum 1.5 is opposite to the direction of the water for cleaning the filter drum 1.5 passing through the filter drum 1.5.

Wherein, the water after washing to filter cylinder 1.5 gets into in the water receiving tank, plays the dilution effect to the granule impurity in the water receiving tank, makes things convenient for it to discharge from row cinder notch. The flushing water pipe 1.2 can work continuously, and can also work periodically or intermittently.

In the above, when the position of the water source is higher than the position of the flushing water pipe 1.2, the pipeline of the flushing water pipe 1.2 connected with the water source can also be not connected with the booster pump, and the water flows under the action of the self weight potential energy and is sprayed on the filtering roller 1.5 through the spray head 1.3.

In the foregoing, shower nozzle 1.3 is preferably to prick hoop formula shower nozzle 1.3 structure, and wash pipe 1.2 is provided with a plurality of through-holes that are used for with shower nozzle 1.3 along axial direction, prick hoop formula shower nozzle 1.3 structure and detain and can accomplish the connection on the through-hole that corresponds for shower nozzle 1.3's dismouting is more convenient.

Filter cylinder 1.5 both ends and be connected with wheel hub form ring 1.54, ring 1.54 surface and filter cylinder 1.5 fixed connection, ring 1.54 center installation pivot 1.55, pivot 1.55 both ends and filter chamber 1.1 inner wall fixed connection, pivot 1.55 is the tubulose, and pivot 1.55 one end is sealed, and the other end is connected with slag discharge pipe 1.9, pivot 1.55 middle part and water receiving tank fixed connection, the row's of water receiving tank cinder notch and the inside intercommunication of pivot 1.55.

Wherein, the two ends of the filter roller 1.5 are connected with the rotating shaft 1.55 through the hub-shaped circular ring 1.54, and the two ends of the rotating shaft 1.55 are fixed on the inner wall of the filter chamber 1.1, so that the rotary connection between the filter roller 1.5 and the filter chamber 1.1 is realized. In practical applications, in order to reduce the friction between the ring 1.54 and the rotating shaft 1.55, a rolling bearing may be installed between the ring 1.54 and the rotating shaft 1.55. The ring 1.54 is arranged in a hub shape, namely the inner circle and the outer circle of the ring 1.54 are hollowed out, so that sewage passes through the ring and does not enter the filtering roller 1.5.

In a preferred embodiment, be equipped with U type groove 1.21 on the filter chamber 1.1 inside wall, pivot 1.55 both ends are installed in U type groove 1.21, and is concrete, when needing to carry out manual work clearance or change to filter cylinder 1.5, need dismantle filter cylinder 1.5 from filter chamber 1.1, consequently, through setting up U type groove 1.21 on filter chamber 1.1 inside wall, and filter cylinder 1.5 installs in U type groove 1.21 through pivot 1.55, when carrying out the dismouting to filter cylinder 1.5, take out filter cylinder 1.5 from U type groove 1.21 in can, make when the dismouting more convenient.

In order to make the structure of the water body purifying device more compact and facilitate the detachment between the slag discharge pipeline 1.9 and the rotating shaft 1.55, the U-shaped groove 1.21 on one side of the filtering chamber 1.1 close to the water inlet chamber 1.10 is arranged on the partition plate between the water inlet chamber 1.10 and the filtering chamber 1.1, the U-shaped groove 1.21 is communicated with the top surface of the partition plate, the other U-shaped groove 1.21 is arranged on the inner wall of the filtering chamber 1.1, the rotating shaft 1.55 is connected with the slag discharge pipeline 1.9 through a pipeline joint, and the pipeline joint is arranged in the water inlet chamber 1.10. The one end of pivot 1.55 is connected with row's sediment pipeline 1.9 through the pipe joint, when dismantling filter cylinder 1.5, need earlier dismantle row's sediment pipeline 1.9, because the pipe joint is established in intake chamber 1.10, consequently, have great space that is used for carrying on dismantling between pivot 1.55 and the row's sediment pipeline 1.9, and U type groove 1.21 is established on the baffle between intake chamber 1.10 and filter chamber 1.1, make the distance between filter cylinder 1.5 terminal surface and the baffle can be littleer, make compact structure, and the top surface intercommunication of U type groove 1.21 and this baffle, consequently do not influence pivot 1.55 and take out from this U type groove 1.21, and then reach whole water purifier's compact structure, make things convenient for the purpose of dismouting.

In the aforesaid, when dismouting filter drum 1.5, need demolish wash pipe 1.2 earlier, for more convenient demolish of wash pipe 1.2, wash pipe 1.2 and can install in filter chamber 1.1 through U type pipe clamp, when dismantling wash pipe 1.2, will wash pipe 1.2 take out from U type pipe clamp can, convenient dismantlement.

In a preferred embodiment, the driving assembly 1.4 comprises a motor 1.41 fixed on the filter chamber 1.1, a driving wheel 1.42 mounted on an output shaft of the motor 1.41, and a driven wheel 1.43 fixed at one end of the filter drum 1.5 and in transmission connection with the driving wheel 1.42. The driving wheel 1.42 of the motor 1.41 and the driven wheel 1.43 of the filter drum 1.5 can be driven by a belt and a chain, so that the motor 1.41 can drive the filter drum 1.5 to rotate.

In a preferred embodiment, the driving wheel 1.42 and the driven wheel 1.43 are both gears, the motor 1.41 is detachably fixed on the filter chamber 1.1, the driving wheel 1.42 is arranged above the central shaft of the driven wheel 1.43, because the rotating shaft 1.55 for installing the filter drum 1.5 is fixed on the filter chamber 1.1 through the U-shaped groove 1.21, and the driving wheel 1.42 is arranged above the central shaft of the driven wheel 1.43, when in use, the driving wheel 1.42 can press the rotating shaft 1.55 in the U-shaped groove 1.21 to avoid the jumping, thereby realizing that the filter drum 1.5 cannot be directly drawn out from the U-shaped groove 1.21 after being installed. When the filter drum 1.5 needs to be disassembled, the motor 1.41 needs to be disassembled first.

In a further preferred embodiment, the mounting plate 1.14 with an n-shaped or h-shaped cross section is further arranged, the mounting plate 1.14 is detachably fixed on the inner wall of the filtering chamber 1.1 in a screw fixing mode, and the motor 1.41 and the driving wheel 1.42 are mounted on the mounting plate 1.14, so that when the motor 1.41 and the driving wheel 1.42 need to be dismounted, the mounting plate 1.14 can be directly dismounted, and the dismounting is convenient.

Preferably, the screw hole for installing the screw on the installation plate 1.14 is a long strip-shaped through hole, and when the installation is carried out, the tightness degree of the meshing between the driving wheel 1.42 and the driven wheel 1.43 can be realized by adjusting the position of the screw in the screw hole.

In practical application, the motor 1.41 may also be fixed outside the filtering chamber 1.1, the output shaft of the motor 1.41 passes through the side wall of the filtering chamber 1.1 and is placed inside the filtering chamber 1.1, the driving wheel 1.42 is rotatably connected to the mounting plate 1.14, and the driving wheel 1.42 is detachably connected with the output shaft of the motor 1.41. In this embodiment, the output shaft of motor 1.41 can set up to the integral key shaft, and the hole of action wheel 1.42 sets up with the output shaft cooperation of motor 1.41, make convenient the dismantlement between motor 1.41 and the action wheel 1.42, and outside filter chamber 1.1 was arranged in to motor 1.41, can avoid the influence of sewage, and before dismouting filter drum 1.5, only need dismantle mounting panel 1.14, need not dismouting motor 1.41, make mounting panel 1.14 and install the structure on mounting panel 1.14 lighter, make things convenient for the dismouting.

In practical application, a driving wheel can be meshed between the driving wheel 1.42 and the driven wheel 1.43.

In a preferred embodiment, the height of the water outlet end of the water passing pipe 1.20 and the height of the water outlet pipe 1.6 are both lower than the height of the rotating shaft 1.55, and the height of the lowest position of the first through hole 1.8 is lower than the height of the rotating shaft 1.55, so that water entering the filtering roller 1.5 is quickly filtered, the filtered roller 1.5 is not soaked in water for a long time, and the filtered particle impurities are not affected by water and can be better brought into the water receiving tank.

In practical application, the number of the filter rollers 1.5 can be one, and the number of the filter rollers 1.5 can be more than two, so that the filtering capacity is improved. In the preferred embodiment of the present application, the number of the filter drums 1.5 is two, and the two filter drums 1.5 are driven by the same driving wheel 1.42, so that the number of the motors 1.41 can be reduced when the number of the filter drums 1.5 is two or more. The number of sterilization chambers 1.13 can also be set according to the actual need, for example, sterilization chambers 1.13 are respectively arranged on both sides of the filter chamber 1.1.

In the above, the height of the water outlet end of the water passing pipeline and the height of the water outlet pipeline are both lower than the height of the rotating shaft, and the height of the lowest position of the first through hole is lower than the height of the rotating shaft, so that water passing through the micro-filter cannot be soaked in the filter drum 1.5 for a long time.

In the above, the sedimentation, filtration and disinfection effects of water are further increased by the arrangement of the micro-filter.

In the foregoing, when there is a difference in height between the sewage collecting tank, the biochemical tank, the disinfection tank, the clean water tank and the micro-filter and between the main sewage draining pipe and the squeezer, water can be pumped up by the water pump so that water can circulate among the micro-filter 1, the protein separator 2, the biochemical tank 3 and the aeration tank 4.

According to the invention, the sewage in the culture pond is treated by sequentially arranging the sewage collecting pond 7.1, the biochemical pond 7.2, the disinfection pond 7.3, the water purification pond 7.4 and the micro-filter, so that the sewage is subjected to precipitation, removal of organic compounds such as ammonia nitrogen and nitrite, disinfection and further precipitation, filtration and disinfection to realize purification of the sewage, and then the sewage is discharged back into the culture pond, so that the water in the culture pond is ensured to be clean, and the survival rate of aquatic products is improved. Wherein, because the settled impurities are all left at the bottom of the sewage collecting pool 7.1, the biochemical pool 7.2, the disinfection pool 7.3 and the clean water pool 7.4, the bottom surfaces of the sewage collecting pool 7.1, the biochemical pool 7.2, the disinfection pool 7.3 and the clean water pool 7.4 are all provided with a sewage branch pipe 7.5, the sewage branch pipe 7.5 is connected with a squeezer 7.8 through a sewage main pipe 7.7, and the on-off of the sewage branch pipe 7.5 is controlled by a control valve 7.6; when the impurities in the sewage collecting tank 7.1, the biochemical tank 7.2, the disinfection tank 7.3 or the clean water tank 7.4 need to be cleaned, the squeezer 7.8 is started, the corresponding control valve 7.6 is opened, the impurities pass through the sewage branch pipe 7.5 and the sewage main pipe 7.7 and enter the interior of the squeezer 7.8, after the impurities are squeezed in the squeezer 7.8, water in the impurities is discharged from the water outlet end of the squeezer 7.8, and the impurities are compressed into solid powder or cake shape and then discharged from the squeezer 7.8. Therefore, the discharged impurities contain almost no water, and the water discharged from the water outlet end of the presser 7.8 is discharged into the sewage collection tank 7.1, namely, returned into the circulating system formed by the culture pond, the sewage collection tank 7.1, the biochemical pond 7.2, the disinfection pond 7.3 or the clean water pond 7.4, so that the water quantity loss is less; and the impurity that compresses into solid powder or cake can become the fertilizer of crops to carry the convenience, promptly impurity is handled through squeezer 7.8 after, conveniently removes it, in whole impurity treatment process, and is convenient simple, and need less space.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims

1. The utility model provides a sewage purification device, its characterized in that, includes the dirty pond of collection of upper end and breed pond intercommunication, the dirty pond upper end of collection still has connected gradually biochemical pond, disinfection pond and clean water reservoir, dirty pond of collection, biochemical pond, disinfection pond and clean water reservoir bottom surface all are equipped with the blowdown branch pipe, and blowdown branch pipe middle part is equipped with the control valve, and blowdown branch pipe one end is connected with the blowdown house steward, and the one end of blowdown house steward is connected with the squeezer, the play water end and the dirty pond upper end intercommunication of collection of squeezer, the lower extreme of clean water reservoir still is connected with the drain pipe.

2. The sewage purification apparatus according to claim 1, wherein the number of the sewage collecting ponds, the biochemical pond and the water purifying pond is two or more, and the two or more sewage collecting ponds, the two or more biochemical ponds and the two or more water purifying ponds are connected in series, the sewage collecting pond remote from the biochemical pond is connected with the culture pond, and the drain pipe is arranged at the bottom of the water purifying pond remote from the disinfection pond.

3. The sewage purification apparatus of claim 1 or 2, wherein the lower ends of the sewage collection tank, the biochemical tank, the disinfection tank and the clean water tank are tapered.

4. The sewage purification device according to claim 1, wherein the drain pipe is connected with a micro-filter, the micro-filter comprises a box body, the box body is divided into a water inlet chamber, a filter chamber and a disinfection chamber by a partition plate, the drain pipe is communicated with the water inlet chamber, a first through hole is arranged on the partition plate between the filter chamber and the water inlet chamber, the water inlet chamber is communicated with the filter chamber through the first through hole, a second through hole is arranged on the partition plate between the filter chamber and the disinfection chamber, and the filter chamber is communicated with the disinfection chamber through the second through hole;

5. The sewage purification device according to claim 4, wherein a water receiving tank is arranged inside the filtering roller, the water receiving tank is fixed on the inner wall of the filtering chamber, the opening of the water receiving tank faces upwards, a slag discharging port is arranged at the bottom of the water receiving tank, a slag discharging pipeline is connected to the slag discharging port, and one end of the slag discharging pipeline extends to the outside of the filtering chamber; and a flushing water pipe is fixed at the upper end or above the filtering chamber, is arranged right above the filtering roller, is parallel to the central axis of the filtering roller and is fixed with a spray head, and the spray head is arranged towards the water receiving tank.

6. The sewage purification device according to claim 5, wherein the lower edge of the first through hole is in the shape of an arc concentric with the filtering drum, and a sealing strip attached to the inner wall of the filtering drum is fixed on the first through hole.

7. The sewage purification device according to claim 6, wherein the filtering roller has two ends connected to a hub-shaped ring, the outer surface of the ring is fixedly connected to the filtering roller, a rotating shaft is installed at the center of the ring, two ends of the rotating shaft are fixedly connected to the inner wall of the filtering chamber, the rotating shaft is tubular, one end of the rotating shaft is sealed, the other end of the rotating shaft is connected to the slag discharge pipe, the middle of the rotating shaft is fixedly connected to the water receiving tank, and the slag discharge port of the water receiving tank is communicated with the inside of the rotating shaft.

8. The sewage purifying apparatus of claim 7, wherein the height of the water outlet end of the water passing pipe and the height of the water outlet pipe are both lower than the height of the rotating shaft, and the height of the lowest position of the first through hole is lower than the height of the rotating shaft.