CN114380452A

CN114380452A - Sewage treatment equipment

Info

Publication number: CN114380452A
Application number: CN202011067401.0A
Authority: CN
Inventors: 金祥法
Original assignee: Individual
Current assignee: Hebei Anmiao Environmental Protection Technology Co ltd
Priority date: 2020-10-06
Filing date: 2020-10-06
Publication date: 2022-04-22
Anticipated expiration: 2040-10-06
Also published as: CN114380452B

Abstract

The invention discloses sewage treatment equipment, which belongs to the technical field of culture water treatment, and comprises a separation assembly, an air floatation assembly, the air floatation assembly is communicated with the separation assembly through a water inlet and outlet pipe, a water outlet of the air floatation assembly is communicated with a culture pond through a water inlet and outlet pipe, the air floatation assembly comprises an air floatation base member, the air floatation base member is provided with a hollow inner cavity, the upper part of the air floatation base member is provided with a foam discharge pipe communicated with the hollow inner cavity, the bottom of the air floatation base member is provided with a water outlet pipe communicated with the hollow inner cavity, a vertically arranged motor stirring shaft is arranged in the hollow inner cavity, stirring assemblies are uniformly distributed on the motor stirring shaft, the bottom of the air floatation base member is provided with an inflow assembly, and the hollow inner cavity of a box is used for feeding liquid and gas. The culture wastewater is purified and the water resource is recycled, the purification cost is reduced, and the water treatment capacity is large.

Description

Sewage treatment equipment

Technical Field

The invention belongs to the technical field of aquaculture water treatment, and particularly relates to sewage treatment equipment.

Background

In recent years, with the improvement of the living standard of people, the demand of aquatic products rich in high-quality protein, amino acid, vitamin and other rich nutrition is continuously promoted, the yield of aquatic products in China is continuously and rapidly increased, the problem of domestic aquatic product supply is successfully solved, the aquatic products become exported to the big countries, and the yield of the aquatic products continuously stays at the top of the world for 20 years. However, the natural fishing amount of aquatic products in China is close to the ecological limit after long-term over-fishing, and the natural fishing amount of aquatic products in China shows a gradually descending trend in recent years, and meanwhile, the fishing products have obvious trends of miniaturization, benthonic use and low value use. The aquaculture industry therefore begins to play an increasingly important role in the supply of aquatic products. However, a large amount of solid wastes such as residual baits, feces, secretions, corpses and the like are generated in the culture process, a large discharge form of culture wastewater is used for one-time use of water resources, a large amount of water resources are wasted, and the pollution to the environment is increased.

Disclosure of Invention

The invention provides a sewage treatment device for purifying a circulating aquaculture water body and recycling water resources to overcome the defects of the prior art.

The technical scheme adopted by the invention for realizing the purpose is as follows: a sewage treatment device, which is characterized in that,

a separation assembly for preliminarily separating the water body discharged from the culture pond,

the air flotation component is communicated with the separation component through a water inlet pipe and a water outlet pipe, the water outlet of the air flotation component is communicated with the culture pond through the water inlet pipe and the water outlet pipe,

wherein, the air flotation component comprises an air flotation base part, the air flotation base part is provided with a hollow inner cavity, the upper part of the air flotation base part is provided with a foam discharging pipe communicated with the hollow inner cavity, the bottom of the air flotation base part is provided with a water outlet pipe communicated with the hollow inner cavity, a vertically arranged motor stirring shaft is arranged in the hollow inner cavity, the motor stirring shaft is driven to rotate by a driving motor arranged at the upper end part of the air flotation base part, the motor stirring shafts are respectively provided with a stirring component, the stirring component comprises a sixth stirring rotating shaft which is connected with the side of the motor stirring shaft in a surrounding way and can rotate, the side surface of the sixth stirring rotating shaft is connected with a seventh stirring blade which can synchronously rotate along with the sixth stirring rotating shaft, an annular convex body with an outer convex arc surface is arranged on the motor stirring rotating shaft in a surrounding way, and a first stirring plate body matched with the annular convex body is arranged between the annular convex body and the sixth stirring rotating shaft, first stirring plate body can rotate annular convex body relatively, the scarf joint has can pivoted supplementary spheroid on the first stirring plate body, the scarf joint has can pivoted supplementary spheroid in the sixth stirring axis of rotation, the supplementary spheroid of scarf joint in the sixth stirring axis of rotation passes through the second and stirs the supplementary spheroid of scarf joint on connecting rod and the first stirring plate body and be connected, be equipped with rather than axis vertically fourth stirring axis of rotation in the motor stirring pivot, the fourth stirring axis of rotation is through the fifth stirring axis of rotation and sixth stirring axis of rotation coaxial coupling of coaxial line, fourth stirring axis of rotation diameter is greater than fifth stirring axis of rotation, persist the clearance between fourth stirring axis of rotation and fifth stirring axis of rotation and the motor stirring pivot.

Wherein, the bottom of the air floatation base piece is provided with a flow inlet component for feeding liquid and gas into the hollow cavity of the tank.

The invention purifies the culture water body, realize the cyclic utilization of the culture water body, thereby reducing the water resource for culture, utilize the separation assembly to carry out primary filtration treatment on large-particle pollutants in the culture water body, the water body for filtering the large-particle pollutants can be relatively promoted in the subsequent water treatment environmental efficiency, and further promote the water body treatment capacity, the primarily filtered water body is sent into the air floatation assembly, in a mode of sending a large amount of gas into the polluted liquid to form a foam layer, the foam layer is separated from the polluted liquid by utilizing the surface adsorption principle, thereby the surfactant in the polluted liquid, the organic matters and suspended matters are removed together, especially the content control or removal of the fine particulate matters (less than or equal to 60 mu m) in the culture sewage, realize the purification of the culture sewage, in order to improve the mixing effect of the bubbles in the water body and the particulate matters in the sewage, and the like, the scheme of arranging the motor driven to rotate by the driving motor in the air floatation base member is used for improving the mixing shaft of the bubbles in the water body and the micro mixing shaft in the water body The contact of the solid particles and the like is realized, specifically, the bottom foul solution in the air floatation base element enters and is sent along with a large amount of gas, the rising speed of the aquaculture sewage is high under the action of the gas, the motor stirring shaft rotates to drive the aquaculture sewage to form rotation in the air floatation base element and stir the aquaculture sewage, the rising speed of the aquaculture sewage in the air floatation assembly is slowed down, the water conservancy residence time is prolonged, the contact time and the contact quantity of bubbles in water and particles in water are favorably improved, the upflow aquaculture sewage can form certain driving force for the seventh stirring blade, the upflow aquaculture sewage enters and can drive the sixth stirring rotating shaft to form rotation along with the driving force, the second stirring connecting rod between two auxiliary gases is driven to form up-down displacement, the up-down displacement of the second stirring connecting rods at two sides in different states can drive the first stirring plate body to form relative up-down swing relative to the annular convex body, like this seventh stirring vane is being in the water stirring process can be according to its blade stirring angle of water rising speed self-adjustment promotion water stirring effect to water rising speed, promote the contact of micro-particle and water bubble, and seventh stirring vane drives first stirring plate body luffing motion when adjusting its stirring angle and makes partial water backward flow slow down fluid rising speed and form the secondary stirring and do benefit to seventh stirring vane and carry out many times cutting to the bubble in the water and form more micro-bubble, do benefit to the material in the micro-bubble absorption more water, and the micro-bubble that obtains to the bubble multiple cutting in the water is favorable to reducing its surface energy's trend, guarantee the contact time and the contact volume of aquatic bubble and aquatic particle.

Preferably, in this aspect, the inflow module includes:

a second flow guiding body, wherein a cavity is arranged in the second flow guiding body, the upper end of the second flow guiding body is connected with an outflow base piece communicated with the cavity inside the second flow guiding body,

the third flow guiding body is arranged in the cavity of the second flow guiding body, the third flow guiding body is arranged in a hollow manner, the upper end of the outer side of the third flow guiding body is connected with the upper wall in the cavity of the second flow guiding body through the first flow guiding body, the first flow guiding body is in a sleeve shape, the side surface of the first flow guiding body is provided with a first flow guiding hole in a surrounding manner, the side surface of the third flow guiding body is provided with a first outflow through hole in a surrounding manner,

the bottom surface of the third flow guide body and the inner bottom surface of the cavity of the second flow guide body are in the same plane, a third flow guide inlet used for feeding liquid and gas into the third flow guide body is formed in the bottom of the second flow guide body, a third floating ball corresponding to the first outflow through hole is arranged on the outer side of the first outflow through hole, third fixed blocks are respectively arranged at the upper end and the lower end of the outer side of the third flow guide body, and the third fixed blocks are connected with the third floating ball through third elastic ropes. The mode that sets up the influent stream subassembly bottom the air supporting substrate makes the gas of sending into carry out preliminary mixing with breed sewage, it is specific, breed sewage and other first get into in the third baffle, breed sewage and gas mix in its inside, top has the cambered surface structure in the third baffle, the gaseous and water of sending into flows to third baffle both sides through mixing ascending fluid stream cambered surface and flow until first efflux through-hole department to second baffle inner wall and third baffle outer wall space, again through gas-liquid mixture improvement gas-liquid mixture effect in this space, discharge the gas-liquid after mixing through first diversion hole effluent substrate direction on the first baffle again, through making gas-liquid flow through above-mentioned route and having increased gas-liquid mixture time and effect, compare in the mode of directly sending into breed sewage, the invention makes other intensive mixing to the water through preliminary mixing, the scheme of gas-liquid mixing enables gas-liquid to be primarily mixed in the inflow assembly and simultaneously increases the internal pressure of the inflow assembly, has the function of reducing the survival rate of organisms such as bacteria and the like possibly existing in the aquaculture sewage, wherein a third floating ball is arranged outside the first outflow hole to form clearance plugging on the first outlet through hole, when the internal pressure of the third flow deflector reaches a certain range, the gas-liquid mixture pushes the third floating ball to displace and flow out from a clearance between the third floating ball and the first outflow hole to ensure gas-liquid mixing and the internal pressure of the third flow deflector, and the gas-liquid mixture flowing out of the third flow deflector along the side surface of the gas-liquid mixture is favorable for forming a flow path which flows upwards around the third flow deflector to improve the mixing effect and play a cleaning effect on the surface of internal components of the inflow assembly, preventing the adhesion of particles or organisms.

Preferably, an inflow base member is provided at the third diversion inlet, the inflow base member includes,

an air inlet branch pipe is arranged on the air inlet branch pipe,

the flow inlet body is columnar, the middle part of the flow inlet body is provided with a first flow inlet channel, a second flow inlet channel and a third flow inlet channel which are coaxial with the flow inlet body,

the first inlet channel is arranged at one end of the inlet body, the third inlet channel is arranged at the other end of the inlet body, the first inlet channel and the third diversion inlet are arranged in a corresponding direction, the second inlet channel is arranged between the first inlet channel and the third inlet channel, the inlet diameter of the third inlet channel is gradually reduced from the inlet diameter to the outlet diameter along the direction of the second inlet channel, the inlet diameter of the first inlet channel is gradually enlarged from the inlet diameter to the outlet diameter along the direction of the third diversion inlet, and the air inlet branch pipe is communicated with the first inlet channel. The air outlet direction of the air inlet branch pipe and the axis of the first inlet channel form an included angle, and the air inlet branch pipes are symmetrically arranged on two sides of the inlet body. The mode that the inflow base piece is arranged at the third flow guide inlet realizes that the aquaculture sewage and the gas enter the third flow guide inlet together, the first inflow channel is arranged on the inflow base piece respectively, the second inflow channel and the third inflow channel limit the flow area of each inflow channel so as to realize that the third inflow channel enters the water body in the state that the gradual flow cross section is reduced, the inflow flow rate of the aquaculture sewage and the inflow diffusion area of the aquaculture sewage which are released and lifted through the third flow guide inlet are obtained in the first inflow channel after the water pressure rises and passes through the second inflow channel, the mixing effect with the fed gas is favorably improved, meanwhile, the air inlet branch pipes are arranged at the two sides of the inflow body to realize the staggered mode air inlet so as to feed the gas into the aquaculture sewage softly and avoid the reduction of the inflow flow rate of the aquaculture sewage in the direct impact water inlet process, and the staggered mode air inlet is favorable for feeding the fed gas to drive the aquaculture sewage to flow along the wall surface of the first inflow channel so as to improve the outflow area and the inflow channel The airflow is utilized to wash dirt adhered to the wall surface in the aquaculture sewage existing on the wall surface of the first inflow channel, and more importantly, the staggered air inlet mode enables the aquaculture sewage to flow along the wall surface of the first inflow channel to form a centrifugal effect, so that oil stain and water in the aquaculture sewage can be separated conveniently.

As this scheme is preferred, the base member that effuses includes the siphunculus that effuses with the cavity intercommunication of second baffle, it is connected with the first filter screen that effuses that can form the evagination cambered surface to effuse siphunculus upper end mouth, it is connected with two at least coaxial current-limiting plectanes to effuse the siphunculus outside, be connected with the current-limiting backup pad parallel with the siphunculus axis of effusing between the current-limiting plectane, first through-hole of effusing has been seted up on the siphunculus that effuses between the current-limiting plectane. The base member of effluenting that is equipped with makes breed thing sewage after the gas-liquid mixture respectively from the first through-hole of effluenting that the siphunculus side was seted up and the first filter screen that effluents of effluenting flow out a large amount of formation that does benefit to bubble in the water respectively, wherein the bubble in the first fluid of effluenting the filter screen can form less bubble through the filter screen cutting and do benefit to the absorption of miniature particulate matter, the first breed sewage that effluences the filter screen outflow of the cooperation of the breed sewage that effluence of effluence through-hole from the first realizes diversified water that goes out, compare in the direct water mode that goes out that makes progress, this issue provides multi-path water and is favorable to avoiding the problem that the air supporting base member breeds the too short filth purifying effect of sewage dwell time and reduces to appear.

Preferably, the foam discharging pipe is internally inserted with a foam discharging auxiliary sleeve, the middle of the foam discharging auxiliary sleeve is cylindrical, a through hole coaxial with the axis of the foam discharging auxiliary sleeve is formed in the middle of the foam discharging auxiliary sleeve, a first inner groove parallel to the axis of the foam discharging auxiliary sleeve is arranged on the outer side of the foam discharging auxiliary sleeve in a surrounding mode, a second inner groove parallel to the axis of the foam discharging auxiliary sleeve is arranged on the inner side of the foam discharging auxiliary sleeve in a surrounding mode, and the first inner groove and the second inner groove are arranged in a staggered mode. The foam formed on the upper part of the air floatation base element is discharged outwards through the foam discharging pipe to separate the dirt in the culture sewage, particularly micro particles, the foam discharging auxiliary sleeve is arranged in the foam discharging pipe, the foam entering the foam discharging pipe is crushed by utilizing the side structure of the foam discharging auxiliary sleeve to obtain a better flow effect in the foam discharging pipe, the problem that the foam discharging speed is slow due to slow movement of more foam in the foam discharging pipe is avoided, the foam entering the foam discharging pipe is limited by the space formed by the structure inside and outside the foam discharging auxiliary sleeve, the foam breakage probability is enlarged, and the impact after the foam breakage can influence the nearby foam, so that the release of the flow space is facilitated, and the discharge of the dirt is accelerated.

Preferably, arrange the condensation circulating pipe in the inner groovy one of the supplementary cover outside of foam row, the condensation circulating pipe is connected with the condenser, the condenser is connected with the condensation circulating pipe of arranging the supplementary cover both ends of foam respectively, through setting up the mode of condensation circulating pipe further with higher speed near the supplementary cover of foam row's rupture speed of foam and reduce the dispersion of filth, and reduce the adhesion effect reduction of filth on the supplementary cover of foam row and the foam row pipe, avoid remaining, more importantly utilizes low temperature environment effectively to reduce the smell concentration of the filth of discharging from the foam row pipe.

Preferably, the air floatation assembly is connected with an inflator pump through an air inlet and outlet pipe, the inflator pump is further communicated with the culture pond through the air inlet and outlet pipe, and a first flow meter is arranged on the air inlet and outlet pipe connected with the air floatation assembly through the inflator pump. The air inflation pump is used for sending outside air into the air inlet and exhaust pipe and sending the outside air into the air flotation assembly and the culture pond respectively, so that the waste water is purified by foam of the culture sewage, the oxygen content required by culture is increased in the culture pond, and the best amount of the air inflation pump is monitored by setting the first flow meter.

Preferably, the water inlet and outlet pipe connected with the air floatation assembly and the culture pond is further connected with a biological purification pond through a branch pipe, the branch pipe is provided with a control valve, the biological purification pond is used for culturing algae, the culture density is 0.75kg-1.2 kg/square meter, and when the culture density reaches the upper limit, 1/3-1/2 is harvested. The algae are: gracilaria floribunda Gracilaria and Gracilaria tenuistipitata liu. The Chrysanthemum core Gracilaria mainly grows in summer and autumn, the Gracilaria tenuistipitata branch variety mainly grows in winter and spring, and the two have complementarity in time, so that uninterrupted culture can be formed all the year round. The invention purifies the culture sewage through the gracilaria, absorbs organic matters in the water body, reduces solid particles with the particle size of less than 60 mu m in the water body by using the algae, and can also improve the dissolved oxygen concentration in the water body in the biological purification pond in a photosynthesis mode for the algae, thus being beneficial to the growth of organisms in the culture pond.

Compared with the prior art, the invention has the beneficial effects that: the invention solves the problems of too high cost, too low popularization rate and too small water treatment capacity in the prior art by purifying the culture wastewater and recycling water resources.

Drawings

FIG. 1 is a schematic view of the treatment process of the circulating aquaculture wastewater according to the present invention;

FIG. 2 is a schematic view of a wastewater treatment arrangement according to the present invention;

FIG. 3 is a schematic view of the interior of the air bearing assembly of the present invention;

FIG. 4 is an internal view of the intake assembly of the present invention;

FIG. 5 is a cross-sectional view of the inflow base of the present invention;

fig. 6 is an internal schematic view of a second flow conductor and a third flow conductor according to the present invention;

fig. 7 is an external structural view of a third baffle of the present invention;

FIG. 8 is a schematic view of an outflow base of the present invention;

FIG. 9 is a schematic view of the interior of the froth discharge pipe of the present invention;

FIG. 10 is a side view of the drainage aid of the present invention nested within a drainage tube;

FIG. 11 is a schematic view of a stirring assembly of the present invention;

FIG. 12 is a schematic view of the internal structure of the separator assembly of the present invention;

FIG. 13 is a schematic view of a release sleeve construction according to the present invention;

FIG. 14 is a top view of the release sleeve of the present invention;

fig. 15 is a schematic view of the structure of the baffle of the present invention.

Reference numerals: 100-a culture pond; 200-a biological purification tank; 10-an air floatation assembly; 11-an air flotation substrate; 12-a drive motor; 13-a stirring assembly; 131-a first stirring plate body; 132-an auxiliary sphere; 133-a second stirring connecting rod; 134-a third stirring limit sleeve; 135-fourth stirring rotation shaft; 136-fifth stirring rotating shaft; 137-sixth stirring rotating shaft; 138-seventh stirring blade; 139-annular convex body; 14-a water outlet pipe; 15-foam discharge pipe; 16-motor stirring shaft; 20-a separation assembly; 21-separating the box body; 22-a precipitation chamber; 23-a sewage draining chamber; 24-a separation chamber; 25-separating the support plate; 26-a separation sleeve; 261-a flow-limiting arc; 27-an overflow pipe body; 28-a washing water pump; 29-a separator plate body; 40-air inlet and outlet pipes; 41-a first flow meter; 50-water inlet and outlet pipes; 60-a condenser; 61-foam discharging auxiliary sleeve; 62-condensation circulation pipe; 70-an inflow assembly; 71-an outflow base; 711-outflow pipe; 712-a current limiting circular plate; 713-a current limiting support plate; 714-first outflow via; 715-a first outflow screen; 72-a first flow conductor; 721-a first flow guiding through hole; 73-a second flow conductor; 731-second diversion outlet; 732-a third pilot inlet; 74-a third flow conductor; 741-a third flow through hole; 742-a third floating ball; 743-a third elastic cord; 744-third fixed block; 75-an inflow base; 751-an inflow body; 752-inlet manifold; 753-third inflow channel; 754-first inflow channel; 755-second inflow channel; 80-a flow blocking member; 81-a flow blocking connecting rod; 82-propeller blades.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the following detailed description and the accompanying drawings:

example 1:

referring to fig. 1-11 of the specification, a sewage treatment apparatus,

a separation assembly 20, the separation assembly 20 being used for primarily separating the water body discharged from the culture pond 100,

the air floating assembly 10 is communicated with the separation assembly 20 through a water inlet and outlet pipe 50, the water outlet of the air floating assembly 10 is communicated with the culture pond 100 through the water inlet and outlet pipe 50,

wherein, the air flotation component 10 includes an air flotation base member 11, the air flotation base member 11 is provided with a hollow inner cavity, the upper part of the air flotation base member 11 is provided with a foam discharging pipe 15 communicated with the hollow inner cavity, the bottom of the air flotation base member 11 is provided with a water outlet pipe 14 communicated with the hollow inner cavity, the hollow inner cavity is internally provided with a vertically arranged motor stirring shaft 16, the motor stirring shaft 16 is driven to rotate by a driving motor 12 arranged at the upper end part of the air flotation base member 11, the motor stirring shaft 16 is provided with stirring components 13, the stirring components 13 comprise a sixth stirring rotating shaft 137 which can rotate and is connected with the side of the motor stirring shaft 16 in a surrounding way, the side surface of the sixth stirring rotating shaft 137 is connected with a seventh stirring blade 138 which can rotate synchronously along with the sixth stirring rotating shaft 137, an annular convex body 139 with an outer convex arc surface is arranged on the motor stirring rotating shaft 16 in a surrounding way, a first stirring plate body 131 matched with the annular convex body 139 is arranged between the annular convex body 139 and the sixth stirring rotating shaft 137, first stirring plate body 131 can rotate annular convex body 139 relatively, it has the supplementary spheroid 132 that can rotate to scarf joint on the first stirring plate body 131, it has the supplementary spheroid 132 that can rotate to scarf joint on the sixth stirring axis of rotation 137, the supplementary spheroid 132 that scarf joint on the sixth stirring axis of rotation 137 passes through the second and stirs the supplementary spheroid 132 that scarf joint on connecting rod 133 and the first stirring plate body 131 and be connected, be equipped with in the motor stirring pivot 16 rather than axis vertically fourth stirring axis of rotation 135, fourth stirring axis of rotation 135 is through coaxial fifth stirring axis of rotation 136 and sixth stirring axis of rotation 137 coaxial coupling, fourth stirring axis of rotation 135 diameter is greater than fifth stirring axis of rotation 136, leave the clearance between fourth stirring axis of rotation 135 and fifth stirring axis of rotation 136 and the motor stirring pivot 16.

Wherein, the bottom of the air floating base piece 11 is provided with a flow inlet assembly 70 for feeding liquid and gas into the hollow cavity of the tank.

The invention purifies the culture water body to realize the cyclic use of the culture water body so as to reduce the water resource used for culture, the separation component 20 is utilized to carry out primary filtration treatment on large-particle pollutants in the culture water body, the water body for filtering the large-particle pollutants can be relatively improved in the subsequent water treatment environment efficiency, and further the water body treatment capacity is improved, the primarily filtered water body is sent into the air floating component 10, the foam layer is separated from the polluted liquid by a mode of sending a large amount of gas into the polluted liquid to form the foam layer, thereby the surfactant, organic matters and suspended matters in the polluted liquid are removed together, especially the content of fine particulate matters (less than or equal to 60 mu m) in the culture sewage is controlled or removed, the culture sewage is purified, in order to improve the mixing effect of the bubbles in the water body and the particulate matters in the sewage, and the like, the scheme of arranging the motor stirring shaft 16 driven by the driving motor 16 in the air floating base piece 11 to rotate is utilized to improve the content of the fine particulate matters (less than or equal to 60 mu m) in the culture sewage in the water body The bubbles contact with micro solid particles in water, specifically, the bottom foul solution in the air flotation base element 11 enters and is sent along with a large amount of gas, the raising speed of the aquaculture sewage is high under the action of the gas, the motor stirring shaft 16 rotates to drive the aquaculture sewage to form rotation in the air flotation base element 11 and stir the aquaculture sewage, the raising speed of the aquaculture sewage in the air flotation assembly 10 is reduced, the water conservation retention time is increased, the contact time and the contact quantity of bubbles in water and particles in water are favorably improved, the upwelling aquaculture sewage can form a certain driving force for the seventh stirring blade 138, the upwelling aquaculture sewage enters and drives the sixth stirring rotating shaft 137 to form rotation along with the driving force, the second stirring connecting rod 133 between the two auxiliary gases 132 is driven to form up-and-down displacement, the up-down displacement of different states of the second stirring connecting rods 133 at two sides in the process can drive the first stirring plate body 131 to form relative up-down swing relative to the annular convex body 139, like this seventh stirring vane 138 is stirring the process at the water and can be according to its blade stirring angle of water rising speed self-adjustment promotion water stirring effect along with, promote the contact of micro-particle and water bubble, and seventh stirring vane 138 drives first stirring plate body 131 luffing motion when adjusting its stirring angle and makes partial water backward flow slow down fluid rising speed and form the secondary stirring and do benefit to seventh stirring vane 138 and carry out many times cutting to the bubble in the water and form more micro-bubble, do benefit to the material in the micro-bubble absorption more water, and the micro-bubble that obtains to the bubble multiple cutting in the water is favorable to reducing its surface energy's trend, guarantee the contact time and the contact volume of aquatic bubble and aquatic particle.

The intake assembly 70 includes:

a second flow guiding body 73, a cavity is arranged in the second flow guiding body 73, the upper end of the second flow guiding body 73 is connected with an outflow base piece 71 communicated with the cavity inside the second flow guiding body 73,

a third flow guiding body 74, wherein the third flow guiding body 74 is disposed in the cavity of the second flow guiding body 73, the third flow guiding body 74 is disposed in a hollow manner, the upper end of the outer side of the third flow guiding body 74 is connected with the inner upper wall of the cavity of the second flow guiding body 73 through a first flow guiding body 72, the first flow guiding body 72 is in a sleeve shape, the side surface of the first flow guiding body 72 is provided with a first flow guiding hole 721 in a surrounding manner, the side surface of the third flow guiding body 74 is provided with a first outflow through hole 741 in a surrounding manner,

the bottom surface of the third flow guiding body 74 and the bottom surface of the cavity of the second flow guiding body 73 are the same plane, the bottom of the second flow guiding body 73 is provided with a third flow guiding inlet 732 for feeding liquid and gas into the third flow guiding body 74, a third floating ball 742 corresponding to the first flow outlet 741 is arranged outside the first flow outlet 741, the upper end and the lower end of the outside of the third flow guiding body 74 are respectively provided with a third fixing block 744, and the third fixing block 744 is connected with the third floating ball 742 through a third elastic rope 743. The method of arranging the inflow component 70 at the bottom of the air flotation base member 11 enables the fed gas to be primarily mixed with the aquaculture sewage, specifically, the aquaculture sewage and others firstly enter the third flow guiding body 74, the aquaculture sewage and the gas are mixed in the third flow guiding body 74, the inner top of the third flow guiding body 74 is provided with an arc surface structure, the fed gas and water flow upwards through the arc surface and flow towards the two sides of the third flow guiding body 74 until the first outflow through hole 741 flows towards the inner wall of the second flow guiding body 73 and the outer wall space of the third flow guiding body 74, the gas-liquid mixing effect is improved through the gas-liquid mixing in the space, the mixed gas and liquid are discharged out of the direction of the outflow base member 71 through the first flow guiding holes 721 on the first flow guiding body 72, the gas-liquid mixing time and effect are increased through the gas-liquid flowing through the above-passing path, compared with the method of directly feeding the aquaculture sewage, the invention enables the others to be fully mixed into the water body through the primary mixing, the scheme of gas-liquid mixing enables gas and liquid to be primarily mixed in the inflow assembly 70, meanwhile, the internal pressure of the inflow assembly 70 is increased, the survival rate of organisms such as bacteria and the like possibly existing in aquaculture sewage is reduced, the first outlet through hole 741 is sealed in a clearance mode by arranging the third floating ball 742 outside the first outlet hole 741, when the internal pressure of the third flow guide body 74 reaches a certain range, the gas and liquid push the third floating ball 742 to displace and flow out from a clearance between the third floating ball 742 and the first outlet hole 741 so as to ensure gas-liquid mixing and the internal pressure of the third flow guide body 74, and the third flow guide body 74 flows out of the gas-liquid mixture along the lateral surface of the third flow guide body 74 to form a flow path which is favorable for flowing upwards around the third flow guide body 74 so as to improve the mixing effect and clean the surface of internal components of the inflow assembly 70 And, if so, prevents the adherence of particulate matter or organisms.

The third diversion inlet 732 is provided with an inlet base piece 75, the inlet base piece 75 comprises,

the intake branch conduit 752,

the flow inlet body 751 is columnar, the middle part of the flow inlet body 751 is provided with a first flow inlet channel 754, a second flow inlet channel 755 and a third flow inlet channel 753 which are coaxial with the flow inlet body 751,

the first flow inlet channel 754 is arranged at one end of the flow inlet body 751, the third flow inlet channel 753 is arranged at the other end of the flow inlet body 751, the first flow inlet channel 754 and the third diversion inlet 732 are arranged in a corresponding direction, the second flow inlet channel 755 is arranged between the first flow inlet channel 754 and the third flow inlet channel 753, the inlet diameter of the third flow inlet channel 753 is gradually reduced to the outlet straight direction along the direction of the second flow inlet channel 755, the inlet diameter of the first flow inlet channel 754 is gradually increased to the outlet straight direction along the direction of the third diversion inlet 732, and the air inlet branch 752 is communicated with the first flow inlet channel 754. The air outlet direction of the air inlet branch pipe 752 forms an included angle with the axis of the first inlet channel 754, and the air inlet branch pipes 752 are symmetrically arranged on two sides of the inlet body 751. The mode that the inflow base member 75 is arranged at the third diversion inlet 732 realizes that the aquaculture sewage and the gas enter the third diversion inlet 732 together, the first inflow channel 754, the second inflow channel 755 and the third inflow channel 753 which are respectively arranged on the inflow base member 75 limit the flow area of each inflow channel so as to realize that the inflow flow rate and the inflow diffusion area of the aquaculture sewage released and lifted through the third diversion inlet 732 in the first inflow channel 754 are favorable for improving the mixing effect of the aquaculture sewage and the inlet gas after the water pressure of the inflow channel 753 entering the water body is increased and the water pressure of the water body is increased and the water passes through the second inflow channel 755 in a gradually decreasing state of the flow cross section, and meanwhile, the air inlet branch pipes 752 are arranged at two sides of the inflow body 751 to realize the staggered air inlet so as to more softly send the gas into the aquaculture sewage and avoid the reduction of the aquaculture sewage inlet flow rate caused by the direct impact on the aquaculture sewage in the water inlet process, meanwhile, the staggered air intake mode is favorable for feeding air to drive the aquaculture sewage to flow along the wall surface of the first inflow channel 754 to improve the outflow area of the aquaculture sewage, and plays a role in flushing dirt adhered to the wall surface in the aquaculture sewage existing on the wall surface of the first inflow channel 754 by utilizing air flow, and more importantly, the staggered air intake mode enables the aquaculture sewage to flow along the wall surface of the first inflow channel 754 to form a centrifugal effect and is favorable for separating the oil stain from the water body in the aquaculture sewage.

The outflow base member 71 comprises an outflow pipe 711 communicated with a cavity of the second flow guiding body 73, an upper port of the outflow pipe 711 is connected with a first outflow filter screen 715 capable of forming an outer convex arc surface, the outer side of the outflow pipe 711 is connected with at least two coaxial flow-limiting circular plates 712, a flow-limiting support plate 713 parallel to the axis of the outflow pipe 711 is connected between the flow-limiting circular plates 712, and a first outflow through hole 714 is formed in the outflow pipe 711 between the flow-limiting circular plates 712. The thing sewage that breeds that base member 71 that is equipped with made after the gas-liquid mixture respectively from the first through-hole 714 that effuses that the siphunculus 711 side was seted up and the first filter screen 715 that effuses respectively outflow do benefit to a large amount of formation of bubble in the water, wherein the bubble in the fluid through the first filter screen 715 that effuses can form less bubble through the filter screen cutting and do benefit to the absorption of miniature particulate matter, the first breed sewage that effuses of the first filter screen 715 that effuses of the cooperation of the breed sewage that effuses of effuses from first through-hole 714 that effuses realizes diversified water, compare in the direct mode of going out water that makes progress, this issue provides multi-path play water and is favorable to avoiding air supporting base member 11 to breed the problem that sewage water conservancy dwell time short filth purifying effect reduces and appears.

The foam discharging pipe 15 is internally inserted with a foam discharging auxiliary sleeve 61, the middle of the foam discharging auxiliary sleeve 61 is cylindrical, a through hole coaxial with the axis of the foam discharging auxiliary sleeve is formed in the middle of the foam discharging auxiliary sleeve, a first inner groove parallel to the axis of the foam discharging auxiliary sleeve 61 is arranged on the outer side of the foam discharging auxiliary sleeve in a surrounding mode, a second inner groove parallel to the axis of the foam discharging auxiliary sleeve 61 is arranged on the inner side of the foam discharging auxiliary sleeve in a surrounding mode, and the first inner groove and the second inner groove are arranged in a staggered mode. The foam formed on the upper part of the air floatation base piece 11 is discharged outwards through the foam discharging pipe 15 to separate the dirt in the culture sewage, in particular to micro particles, the foam discharging auxiliary sleeve 61 is arranged in the foam discharging pipe 15, the foam entering the foam discharging pipe 15 is broken by utilizing the side structure of the foam discharging auxiliary sleeve 61 to obtain a better flowing effect in the foam discharging pipe 15, the problem that the foam discharging speed is slow due to slow movement of more foam in the foam discharging pipe 15 is avoided, the foam entering the foam discharging pipe 15 is limited by the space formed by the inner side structure and the outer side structure of the foam discharging auxiliary sleeve 61, the foam breakage probability is enlarged, and the impact after the foam breakage can influence the foam nearby, so that the release of the flowing space is facilitated to accelerate the discharge of the dirt.

Arrange in the inner groovy one in the auxiliary cover 61 outside of foam row and be equipped with condensation circulating pipe 62, condensation circulating pipe 62 is connected with condenser 60, condenser 60 is connected with the condensation circulating pipe 62 of arranging the auxiliary cover 61 both ends of foam respectively, further accelerates the speed of rupture of arranging near the auxiliary cover 61 foam of foam row and reduces the dispersion of filth through the mode that sets up condensation circulating pipe 62, and reduces the adhesion effect reduction of filth on the auxiliary cover 61 of foam row and row foam tube 15, avoids remaining, and more importantly utilizes low temperature environment effectively to reduce the smell concentration of the filth of discharging from row foam tube 15.

The air floatation assembly 10 is connected with an inflator pump through an air inlet and outlet pipe 40, the inflator pump is further communicated with the culture pond 100 through the air inlet and outlet pipe 40, and a first flow meter 41 is arranged on the air inlet and outlet pipe 40 connected with the air floatation assembly 10. The air pump 40 sends outside air into the air inlet and outlet pipe 40 and respectively sends the air into the air flotation assembly 10 and the culture pond 100, so that the waste water is guaranteed to be frothed and purified, the oxygen content required by culture is increased in the culture pond 100, and the best amount of the air pump is monitored by setting the first flow meter 41.

The water inlet and outlet pipe 50 connected with the air floatation assembly 50 and the culture pond 100 is also connected with a biological purification pond 200 through a branch pipe, the branch pipe is provided with a control valve, the biological purification pond 200 is used for culturing algae, the culture density is 0.75kg-1.2 kg/square meter, and when the culture density reaches the upper limit, 1/3-1/2 is harvested. The algae are: gracilaria floribunda Gracilaria and Gracilaria tenuistipitata liu. The Chrysanthemum core Gracilaria mainly grows in summer and autumn, the Gracilaria tenuistipitata branch variety mainly grows in winter and spring, and the two have complementarity in time, so that uninterrupted culture can be formed all the year round. The invention purifies the culture sewage through the gracilaria, absorbs organic matters in the water body, reduces solid particles with the particle size of less than 60 mu m in the water body by using the algae, and can also improve the dissolved oxygen concentration in the water body in the biological purification pool 200 in a photosynthesis mode for the algae, thus being beneficial to the growth of organisms in the culture pool 100, and the harvested gracilaria can be used as a feed auxiliary material to be added into the feed or can be eaten by other culture objects, such as ducks in the culture field or shellfishes in the culture pool, and the like, so as to reduce the culture cost.

Example 2:

this example further proposes the following scheme based on example 1: referring to the attached drawings 12-15 in the specification, the separation assembly 20 comprises a separation box body 21, the separation box body 21 is internally divided into a settling chamber 22 and a separation chamber 24 by a vertically arranged separation plate body 29, the separation chamber 24 is internally provided with a separation sleeve 26 with a vertically arranged axis, the bottom side of the separation sleeve 26 is supported by a horizontally arranged separation support plate 25, the side surfaces of the separation support plate 25 are respectively connected with the inner wall of the separation box body 21 and the separation plate body 29, the bottom of an inner hole of the separation sleeve 26 is not supported by the separation support plate 25, the lower part of the separation support plate 25 and the inner bottom surface of the separation chamber 24 form a sewage discharge chamber 23, the culture pond 100 discharges culture sewage into the inner side of the separation sleeve 26 of the separation chamber 24 through a water inlet and outlet pipe 50, the side surface of the separation sleeve 26 is provided with a water inlet and outlet body in a surrounding manner, the side of the water inlet and outlet body outside the separation sleeve 26 is provided with a flow limiting arc-shaped plate 261, the flow-limiting arc plate 261 has an arc structure and changes the water flowing out of the water inlet and outlet hole body from outward linear flow to outward lateral flow. The separation component 20 is arranged to primarily separate the inlet and outlet of the aquaculture sewage, for example, large objects such as excrement and cultivated substance corpses in the aquaculture sewage are separated to facilitate efficient treatment of the subsequent aquaculture sewage, the treated water quantity is increased, large particles and dirt obtained by separation can be collected to be used as fertilizer, resource recycling is realized, specifically, the aquaculture sewage is sent into a separation chamber 24 in a separation box body 21, the large particles and the dirt are intercepted to a sewage discharge chamber 23 through a separation sleeve 26, the dirt in the sewage discharge chamber 23 is extracted through a sewage extraction pipeline in the later period, the water obtained by separation enters a settling chamber 22 to be subjected to precipitation treatment and then is sent into the air flotation component 10 for subsequent treatment, wherein the sewage sent into the separation chamber 24 is directly sent into the inner side of the separation cylinder body 26, the water containing large particle pollutants flows along the inner wall of the separation cylinder body 26, and the aquaculture sewage is discharged from inlet and outlet holes in the flowing process, discharged water body makes the fluid flow along the lateral surface of the separation sleeve 26 under the limiting action of the current-limiting arc-shaped plate body 261, and the problem that the effluent is influenced is solved due to the blocking and protection of the current-limiting arc-shaped plate body 261 in the flow process, so that the interference of the water body flowing out around the separation sleeve 26 on the water body discharged from the water inlet and outlet hole body is effectively avoided, meanwhile, the large-particle pollutants are retained inside the separation sleeve 26 in the flow process of the culture sewage inside the separation sleeve 26 along the inner wall of the separation sleeve, and thus, the large-particle pollutants directly fall into the sewage discharge chamber 23, and even if the phenomenon that the polluted particles are blocked at the water inlet and outlet hole body is generated, the problem can be solved under the pushing of the fluid flowing along the separation sleeve 26.

Can set up the axis vertically pivot in separation chamber 24 inboard, and this pivot and the coaxial setting of separation sleeve 26, this pivot upper portion passes through the bearing with separation chamber 24 and is connected, in separation sleeve 26 is located to this pivot bottom, and this pivot side encircles and sets up the acanthus leaf, the acanthus leaf can be by separation sleeve 26 on water inlet and outlet pipe 50 water outlet department blowout water drive rotation, can reduce the impact force that gets into separation sleeve 26 inboard breed sewage like this, avoid separation sleeve 26 to receive impact point position unchangeable and take place deformation in long-term use.

The utility model discloses a sedimentation tank, including sedimentation chamber 22, baffle 80 includes that the axis level sets up keeps off a class connecting rod 81, it is connected with division plate body 29 to keep off a class connecting rod 81, keep off and be equipped with the propeller blade 82 that the spiral was laid on class connecting rod 81, division plate body 29 upper portion is equipped with the overflow body 27 that the level set up, overflow body 27 intercommunication separation chamber 24 and sedimentation chamber 22, the overflow body 27 mouth of pipe corresponds the setting with baffle 80, overflow body 27 upper portion is equipped with the flow monitor meter, separator 21 upper portion is equipped with washing water pump 28, washing water pump 28 is connected with the flow monitor meter, washing water pump 28 is through respectively through intake and drain pipe 50 and sedimentation chamber 22 and separation chamber 24 intercommunication. The setting of flow blocking piece 80 is used for limiting the straight line flow distance of fluid in separating chamber 24 entering settling chamber 22, avoid it to directly flow to the outlet direction, the propeller blade 82 of flow blocking piece 80 can guide the upper water body of settling chamber 22 to the lower part or delay the water body flow path, do benefit to the settling of aquatic particulate matter, monitor the water flow that overflow body 27 overflows through the mode that sets up the flow monitoring meter on overflow body 27, when flow reduces too fast, there may be the problem of jam, start washing water pump 28 and extract the comparatively clean water body in settling chamber 22 upper portion and wash separating chamber 24 internals, reduce or solve blocking phenomenon.

The present invention has been described in terms of specific embodiments incorporating details to enhance the understanding of the principles of construction and operation of the invention. Reference herein to specific embodiments and details thereof is not intended to limit the scope of the claims appended hereto. It will be apparent to those skilled in the art that various modifications can be made in the selected embodiments for illustration without departing from the spirit and scope of the invention. In particular, it will be clear to one of ordinary skill in the art that the apparatus and methods of the present invention can be implemented in several different ways and that they can have several different appearances.

Claims

1. A sewage treatment device, which is characterized in that,

wherein, the air flotation component comprises an air flotation base part, the air flotation base part is provided with a hollow inner cavity, the upper part of the air flotation base part is provided with a foam discharging pipe communicated with the hollow inner cavity, the bottom of the air flotation base part is provided with a water outlet pipe communicated with the hollow inner cavity, a vertically arranged motor stirring shaft is arranged in the hollow inner cavity, the motor stirring shaft is driven to rotate by a driving motor arranged at the upper end part of the air flotation base part, the motor stirring shafts are respectively provided with a stirring component, the stirring component comprises a sixth stirring rotating shaft which is connected with the side of the motor stirring shaft in a surrounding way and can rotate, the side surface of the sixth stirring rotating shaft is connected with a seventh stirring blade which can synchronously rotate along with the sixth stirring rotating shaft, an annular convex body with an outer convex arc surface is arranged on the motor stirring rotating shaft in a surrounding way, and a first stirring plate body matched with the annular convex body is arranged between the annular convex body and the sixth stirring rotating shaft, the first stirring plate body can rotate relative to the annular convex body, the first stirring plate body is embedded with a rotatable auxiliary ball body, the sixth stirring rotating shaft is embedded with a rotatable auxiliary ball body, the auxiliary ball body embedded on the sixth stirring rotating shaft is connected with the auxiliary ball body embedded on the first stirring plate body through a second stirring connecting rod,

2. The sewage treatment apparatus according to claim 1, wherein: the inflow assembly includes:

the bottom surface of the third flow guide body and the inner bottom surface of the cavity of the second flow guide body are in the same plane, a third flow guide inlet used for feeding liquid and gas into the third flow guide body is formed in the bottom of the second flow guide body, a third floating ball corresponding to the first outflow through hole is arranged on the outer side of the first outflow through hole, third fixed blocks are respectively arranged at the upper end and the lower end of the outer side of the third flow guide body, and the third fixed blocks are connected with the third floating ball through third elastic ropes.

3. The sewage treatment apparatus according to claim 2, wherein: an inflow base piece is arranged on the third flow guide inlet and comprises,

an air inlet branch pipe is arranged on the air inlet branch pipe,

the first inlet channel is arranged at one end of the inlet body, the third inlet channel is arranged at the other end of the inlet body, the first inlet channel and the third diversion inlet are arranged in a corresponding direction, the second inlet channel is arranged between the first inlet channel and the third inlet channel, the inlet diameter of the third inlet channel is gradually reduced from the inlet diameter to the outlet diameter along the direction of the second inlet channel, the inlet diameter of the first inlet channel is gradually enlarged from the inlet diameter to the outlet diameter along the direction of the third diversion inlet, and the air inlet branch pipe is communicated with the first inlet channel.

4. The sewage treatment apparatus according to claim 2, wherein: the base member of effluenting includes the siphunculus that effuses with the cavity intercommunication of second baffle, it is connected with the first filter screen that effuses that can form the evagination cambered surface to effluent siphunculus upper end mouth, it is connected with two at least coaxial current-limiting plectanes to effluent the siphunculus outside, be connected with between the current-limiting plectane and the parallel current-limiting backup pad of the siphunculus axis of efflueng, the first through-hole of effluenting has been seted up on the siphunculus that effuses between the current-limiting plectane.

5. The sewage treatment apparatus according to claim 1, 2, 3 or 4, wherein: the foam discharging pipe is internally inserted with a foam discharging auxiliary sleeve, the middle of the foam discharging auxiliary sleeve is cylindrical, a through hole coaxial with the axis of the foam discharging auxiliary sleeve is formed in the middle of the foam discharging auxiliary sleeve, a first inner groove parallel to the axis of the foam discharging auxiliary sleeve is arranged on the outer side of the foam discharging auxiliary sleeve in a surrounding mode, a second inner groove parallel to the axis of the foam discharging auxiliary sleeve is arranged on the inner side of the foam discharging auxiliary sleeve in a surrounding mode, and the first inner groove and the second inner groove are arranged in a staggered mode.

6. The sewage treatment apparatus according to claim 5, wherein: and a condensation circulating pipe is arranged in the inner groove I on the outer side of the foam discharging auxiliary sleeve and is connected with a condenser, and the condenser is respectively connected with the condensation circulating pipes at the two ends of the foam discharging auxiliary sleeve.

7. The sewage treatment apparatus according to claim 6, wherein: the air floatation assembly is connected with the inflator pump through the air inlet and exhaust pipe, the inflator pump is communicated with the culture pond through the air inlet and exhaust pipe, and the first flowmeter is arranged on the air inlet and exhaust pipe connected with the air floatation assembly.

8. The sewage treatment apparatus according to claim 7, wherein: the water inlet and discharge pipe connected with the air floating assembly and the culture pond is also connected with a biological purification pond through a branch pipe, the branch pipe is provided with a control valve, the biological purification pond is used for culturing algae, the culture density is 0.75kg-1.2kg per square meter, and when the culture density reaches the upper limit, 1/3-1/2 is harvested.