CN117018714B - Marine aquaculture sewage treatment device - Google Patents
Marine aquaculture sewage treatment device Download PDFInfo
- Publication number
- CN117018714B CN117018714B CN202311293733.4A CN202311293733A CN117018714B CN 117018714 B CN117018714 B CN 117018714B CN 202311293733 A CN202311293733 A CN 202311293733A CN 117018714 B CN117018714 B CN 117018714B
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- Prior art keywords
- filter
- water
- rod
- box
- filter box
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- 239000010865 sewage Substances 0.000 title claims abstract description 36
- 238000009360 aquaculture Methods 0.000 title claims abstract description 26
- 244000144974 aquaculture Species 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 169
- 238000001914 filtration Methods 0.000 claims abstract description 50
- 238000004140 cleaning Methods 0.000 claims abstract description 45
- 239000012535 impurity Substances 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims description 21
- 238000005192 partition Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000008213 purified water Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 4
- 244000052769 pathogen Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001717 pathogenic effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/643—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a combination of movements with respect to the filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to the technical field of marine aquaculture and discloses marine aquaculture sewage treatment equipment which comprises a box body, a water inlet and a water outlet which are arranged on the box body, a filtering baffle plate which is arranged in the box body, wherein the filtering baffle plate divides the box body into a water inlet cavity and a filtering cavity, a water outlet baffle plate which is arranged in the filtering cavity, the water outlet baffle plate is close to the water outlet, a filtering unit and a cleaning unit which is connected with the filtering unit. The marine aquaculture sewage treatment equipment is used for filtering impurities in aquaculture sewage through a filtering unit; the filter material on the filter screen is cleaned through the cleaning unit, the whole device can be recycled, and the water quality of the cultivation water area is purified.
Description
Technical Field
The invention relates to the technical field of marine aquaculture, in particular to marine aquaculture sewage treatment equipment.
Background
Marine ranches refer to places or systems that utilize marine resources for cultivation, similar to land farms, for cultivation of marine organisms, such as fish, shellfish, seaweed, etc., to meet the needs of people for seafood; the marine pasture comprises a floating net cage, a fixed net cage, a pond, a culture pond and the like, and the culture modes and facilities are different according to different types and scales of the cultured organisms; the marine pasture can continuously utilize marine resources, increase marine output and protect natural ecology.
The water quality is reduced and the water pollution is caused when the aquatic products are cultured in the same water area for a long time, the production and the survival rate of the cultured aquatic products are affected, and the main purpose of filtering treatment in the seawater culture is to maintain the quality of the water and ensure the health of the cultured organisms. The main aspects are as follows:
and (3) water quality control: the water quality in the mariculture system is one of key factors for healthy growth of cultured organisms, suspended particles, organic wastes, wastes and other impurities are removed through filtration, the water body is kept clear and transparent, and water quality pollution and eutrophication are prevented.
And (3) water oxygen supply: the filtration system may increase the oxygen supply to the body of water, helping to maintain a suitable dissolved oxygen level. The cultured organisms need sufficient oxygen to breathe, and particularly in a high-density culture environment, the filtering can increase the oxygen conveying efficiency and provide a good growth environment.
Pathogen control: proper filtration can help control pathogen, bacteria, viruses and other disease sources in the water and reduce the risk of infection of the farmed organisms. The filtering system can effectively remove potential pathogens and improve the sanitary condition of the culture environment.
Feed utilization rate: filtration can help control suspended particulate matter in the water, reducing losses of feed and nutrients. The efficient filtering system can reduce feed waste, improve feed utilization rate and reduce cultivation cost.
At present, equipment for large-scale purification treatment of marine culture water areas is lacking in the market.
Disclosure of Invention
In view of the problem that the prior art lacks equipment for purifying and treating the marine aquaculture water area on a large scale in the market, a marine aquaculture sewage treatment equipment is provided, and the aim is that: the method is used for purifying the marine aquaculture water area on a large scale and improving the water quality of the aquaculture water area.
The technical scheme of the invention is as follows: the marine aquaculture sewage treatment equipment comprises a box body, a water inlet and a water outlet which are arranged on the box body, a filtering baffle plate which is arranged in the box body, wherein the filtering baffle plate divides the box body into a water inlet cavity and a filtering cavity, a water outlet baffle plate which is arranged in the filtering cavity, and the water outlet baffle plate is close to the water outlet; the filtering unit is arranged in the filtering cavity and is used for filtering impurities in the culture sewage; the filtering unit comprises a filtering box arranged between the filtering baffle and the box body, filtering screens arranged on two sides of the filtering box, a dirt discharging component, a control component and a resetting component; the dirt discharging assembly is connected with the filter box and is used for discharging filtered dirt accumulated in the filter box; the control component is connected with the dirt discharging component and used for controlling the opening and closing of the dirt discharging component; the reset component is connected with the control component and is used for enabling the control component to restore to a locking state before sewage discharge.
The dirt discharging component comprises a cover plate arranged at the bottom of the filter box, the cover plate is hinged with the filter box, and a torsion spring is arranged between the cover plate and the filter box, and the dirt discharging component is used for discharging filtered dirt accumulated in the filter box.
The control assembly comprises a fixed lug arranged on the front side of the filter box, a vertical rod arranged in the fixed lug in a sliding manner, a pontoon arranged on the top end of the vertical rod, and a trigger rod arranged at the lower end of the vertical rod, wherein the trigger rod is hinged with the lower end of the vertical rod, a limit groove arranged at the lower end of the vertical rod, a fixed block arranged on a cover plate, a limit lug arranged on the front side of the filter box, a latch rod arranged in the limit lug in a sliding manner, the right end of the latch rod is inserted into the fixed block, a locking block arranged on the left end face of the latch rod, and a locking spring arranged on the latch rod, the locking spring is abutted against the locking block and the limit lug, and the control assembly is used for controlling the opening and closing of the dirt discharging assembly.
Preferably, the locking block comprises a first cambered surface, a second cambered surface and a locking groove, wherein the first cambered surface, the second cambered surface and the locking groove limit the movement of the trigger rod, so that the position of the locking block is changed when the water surface reaches a certain height, and the opening and closing of the cover plate are controlled.
Preferably, the reset component comprises a limit column arranged on the upper end surface of the filter tank, a buoyancy plate arranged in the limit column in a sliding manner, and a water through hole arranged on the buoyancy plate, wherein the reset component is used for controlling the component to recover to a locking state before sewage discharge.
Preferably, a cleaning unit is arranged in the filter box and is used for cleaning filter screens on two sides of the filter box; the cleaning unit comprises a cleaning assembly and a connecting assembly; the cleaning component is arranged in the filter box and is used for cleaning the filter screen; the connecting component is used for connecting the cleaning component and the resetting component to reset the cleaning component.
Preferably, the cleaning component comprises a guide groove arranged on the inner wall of the filter tank, a sliding rod arranged in the guide groove in a sliding manner, a sleeve arranged on the sliding rod in a rotating manner, a cleaning rod arranged on the sleeve in a rotating manner, a spiral impeller arranged on the cleaning rod, and bristles arranged on the edge of the spiral impeller, and the cleaning component cleans the filter screen while discharging sewage, so that the filtering effect is better.
Preferably, the connecting assembly comprises a sliding groove arranged on the upper surface of the buoyancy plate, a connecting groove arranged at the bottom of the sliding groove, a short rod arranged in the sliding groove in a sliding manner, and a connecting rod penetrating through the connecting groove, wherein two ends of the connecting rod are respectively hinged with the sleeve and the short rod, and the connecting assembly is used for enabling the buoyancy plate and the cleaning assembly to synchronously move, so that the cleaning assembly can reset after being cleaned once.
Compared with the prior art, the invention has the beneficial effects that:
1. through the filtering unit, when the filtered impurities in the filtering box accumulate more, the speed of water passing through the filter screen is reduced, the water surface in the water inlet cavity can rise, when the water surface rises to the upper end surface of the pontoon, the pontoon drives the trigger rod to extrude the second cambered surface, the trigger rod releases the locking of the fixed block after passing through the second cambered surface, the cover plate releases the locking, the torsion spring cannot bear the pressure of water in all the filtering box, the cover plate rotates to be opened, the impurities in the filtering box are flushed into the wastewater tank, the water in the filtering cavity can reversely flush the filter screen, and the impurities on the filter screen are flushed; the device utilizes the fall of water to purify the water quality, and can continuously work to purify a large-scale water area;
2. through the cleaning unit, after the cover plate is opened for pollution discharge, water in the water inlet cavity flows into the filter box and is discharged from the bottom of the filter box, in the process, the water flow drives the spiral impeller to rotate so as to drive the brush hair to rotate for cleaning the filter screen, meanwhile, the water flow drives the spiral impeller to move downwards obliquely along the guide groove so as to finish cleaning the filter screens on two sides, and the spiral impeller moves downwards obliquely and simultaneously drives the buoyancy plate to move downwards until the buoyancy plate covers the upper opening of the filter box; when the impurity in the filter tank is discharged and the cover plate is closed, and the filter tank is fully filled with water again, the buoyancy plate floats upwards to drive the spiral impeller to move upwards in an inclined mode, and the spiral impeller returns to the highest point; the filter screen is cleaned in the sewage discharge process, so that the filter effect is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a marine aquaculture sewage treatment plant according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a marine aquaculture sewage treatment plant according to the present invention;
FIG. 3 is a schematic diagram of a filtration unit of a marine aquaculture wastewater treatment facility according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A;
FIG. 5 is a schematic diagram of a locking block structure of a marine aquaculture sewage treatment apparatus according to the present invention;
FIG. 6 is a partial cross-sectional view of a vertical rod of an aquaculture wastewater treatment facility according to the present invention;
FIG. 7 is a schematic diagram of a reset assembly of a marine aquaculture sewage treatment apparatus according to the present invention;
FIG. 8 is a schematic view showing the structure of a cleaning assembly of a marine aquaculture sewage treatment apparatus according to the present invention;
fig. 9 is a schematic diagram of the structure at B in fig. 8.
In the figure:
1. a case; 2. a water inlet; 3. a water outlet; 4. a filtering baffle; 5. a water inlet cavity; 6. a filter chamber; 7. a water outlet baffle; 8. a filter box; 9. a filter screen; 10. a dirt discharging assembly; 11. a control assembly; 12. a reset assembly; 13. a cover plate; 14. a torsion spring; 15. a fixed ear; 16. a vertical rod; 17. a pontoon; 18. a trigger lever; 19. a limit groove; 20. a fixed block; 21. a limiting lug; 22. a latch rod; 23. a locking block; 24. a locking spring; 25. a first cambered surface; 26. a second cambered surface; 27. a locking groove; 28. a limit column; 29. a buoyancy plate; 30. a water through hole; 31. cleaning the assembly; 32. a connection assembly; 33. a guide groove; 34. a slide bar; 35. a sleeve; 36. a cleaning rod; 37. a helical impeller; 38. brushing; 39. a sliding groove; 40. a connecting groove; 41. a short bar; 42. and (5) connecting a rod.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
Embodiment 1, referring to fig. 1 to 7, for a first embodiment of the present invention, there is provided a marine aquaculture sewage treatment apparatus, comprising a tank 1, a water inlet 2 and a water outlet 3 provided on the tank 1, a filter partition 4 provided in the tank 1, the filter partition 4 dividing the tank 1 into a water inlet chamber 5 and a filter chamber 6, a water outlet partition 7 provided in the filter chamber 6, and the water outlet partition 7 being close to the water outlet 3, wherein: the filter unit is also included;
the filtering unit is arranged in the filtering cavity 6 and is used for filtering impurities in the culture sewage;
the filtering unit comprises a filtering box 8 arranged between the filtering baffle 4 and the box body 1, filtering screens 9 arranged at two sides of the filtering box 8, a dirt discharging assembly 10, a control assembly 11 and a resetting assembly 12;
the dirt discharging assembly 10 is connected with the filter box 8 and is used for discharging the filtered dirt accumulated in the filter box 8;
the control assembly 11 is connected with the dirt discharging assembly 10 and is used for controlling the opening and closing of the dirt discharging assembly 10;
the reset assembly 12 is connected to the control assembly 11 for returning the control assembly 11 to a locked state prior to blowdown.
Specifically, the water inlet 2 and the water outlet 3 are arranged at two sides of the box body 1, the water outlet 3 is higher than the water inlet, the water inlet 2 is connected with a sewage tank, the water outlet 3 is connected with a circulating tank, and water in the circulating tank is discharged into a culturing farm again; the sewage of the water inlet 2 flows into the filter box 8 from the water inlet cavity 5 by self gravity, impurities are filtered by the filter screens 9 at two sides of the filter box 8 and then flow into the filter cavity 6, and the impurities are discharged from the water outlet 3 after passing through the water outlet partition 7.
The filter units are arranged in 4 groups within the filter chamber 6.
Referring to fig. 3, the dirt discharging assembly 10 includes a cover plate 13 provided at the bottom of the filter housing 8, and hinged between the cover plate 13 and the filter housing 8, and a torsion spring 14 provided between the cover plate 13 and the filter housing 8.
Specifically, the bottom of the filter box 8 is provided with an opening, the cover plate 13 is rotatably arranged at the opening through a hinge, the torsion spring 14 can bear the pressure of certain water, and when the water pressure is excessive, the cover plate 13 is rotatably opened; impurities filtered by the filter screen 9 can be accumulated in the filter box 8, after the cover plate 13 is opened, dirt in the filter box 8 can be flushed out by water in the water inlet cavity 5, and meanwhile, the filter screen 9 can be backwashed by water in the filter cavity 6.
Referring to fig. 3 to 6, the control assembly 11 includes a fixing lug 15 disposed at the front side of the filter box 8, a vertical rod 16 slidably disposed in the fixing lug 15, a pontoon 17 disposed at the top end of the vertical rod 16, a trigger rod 18 disposed at the lower end of the vertical rod 16, the trigger rod 18 being hinged to the lower end of the vertical rod 16, a limit groove 19 disposed at the lower end of the vertical rod 16, a fixing block 20 disposed on the cover plate 13, a limit lug 21 disposed at the front side of the filter box 8, a latch rod 22 slidably disposed in the limit lug 21, and the right end of the latch rod 22 being inserted into the fixing block 20, a locking block 23 disposed at the left end face of the latch rod 22, and a locking spring 24 disposed on the latch rod 22, and the locking spring 24 being abutted against the locking block 23 and the limit lug 21.
Specifically, the fixed lugs 15 are arranged as 2 groups and fixedly connected to the front side of the filter box 8, the vertical rod 16 is slidably arranged in the fixed lugs 15, the vertical rod 16 penetrates through the sealing partition plate, the pontoon 17 is fixedly connected to the upper end part of the vertical rod 16, the trigger rod 18 is hinged to the lower end of the vertical rod 16, the angle between the trigger rod 18 and the vertical rod 16 is 90 degrees at maximum due to the arrangement of the limiting groove 19, the trigger rod 18 is limited by the locking block 23 when moving from bottom to top, and the trigger rod 18 can rotate without being limited by the locking block 23 when moving from top to bottom; the fixed block 20 is fixedly connected to the side surface of the cover plate 13, a small hole is formed in the fixed block 20, and the right end of the bolt rod 22 can be inserted into the small hole to lock the cover plate 13; the limiting lug 21 is fixed on the front side of the filter box 8, the bolt rod 22 is slidably arranged in the limiting lug 21, the left end face of the bolt rod 22 is fixedly connected with the locking block 23, the bolt rod 22 is sleeved with the locking spring 24, two ends of the locking spring 24 are abutted against the locking block 23 and the limiting lug 21, when the locking block 23 is not stressed, the bolt rod 22 moves left, the limitation on the fixed block 20 is released, and the cover plate 13 can rotate downwards.
Referring to fig. 5, the locking piece 23 includes a first arc surface 25, a second arc surface 26, and a locking groove 27.
Specifically, when the water surface in the water inlet cavity 5 exceeds the pontoon 17, the pontoon 17 is driven to move upwards, the pontoon 17 moves upwards to drive the vertical rod 16 to move upwards, the vertical rod 16 moves from bottom to top to drive the trigger rod 18 to press the first cambered surface 25 first to enable the locking block 23 to move rightwards, when the trigger rod 18 moves into the locking groove 27, the bolt rod 22 is just inserted into the hole of the fixed block 20 to enable the cover plate 13 to be locked, the vertical rod 16 continues to move upwards to press the second cambered surface 26, the locking block 23 is not stressed after passing through the second cambered surface 26, the bolt rod 22 moves leftwards to release the limit on the fixed block 20, and the cover plate 13 can be rotated to be opened; since the second cambered surface 26 is on the left side of the first cambered surface 25 and the second cambered surface 26 is longer, the extrusion amount of the trigger rod 18 to the locking spring 24 is larger when the trigger rod passes through the second cambered surface 26 again, and larger force is needed; when the water surface just exceeds the pontoon 17, the pontoon 17 drives the vertical rod 16 to move upwards, and then drives the trigger rod 18 to extrude the first cambered surface 25 and then enter the locking groove 27, when the water surface continuously rises above the upper end of the pontoon 17, the buoyancy suffered by the pontoon 17 is increased, the pontoon 17 drives the trigger rod 18 to extrude the second cambered surface 26, and the trigger rod 18 passes through the second cambered surface 26 and then releases the locking of the fixed block 20.
Referring to fig. 7, the reset assembly 12 includes a limit post 28 disposed on an upper end surface of the filter box 8, a buoyancy plate 29 slidably disposed in the limit post 28, and a water through hole 30 disposed on the buoyancy plate 29.
Specifically, the number of the limiting columns 28 is 4, 2 groups are respectively arranged at two ends of the filter box 8, square lugs are fixedly connected to two ends of the buoyancy plate 29 and slide in the limiting columns 28, after the cover plate 13 of the filter box 8 is opened, water in the filter box 8 can be rapidly emptied, the pressure of water above the buoyancy plate 29 is high, the pressure of water below suddenly disappears, the buoyancy of the buoyancy plate 29 is smaller than the pressure of water above the buoyancy plate 29, the buoyancy plate 29 can rapidly move downwards to the upper opening of the filter box 8, and water in the water inlet cavity 5 can only flow into the filter box 8 through the water through holes 30; when the filter tank 8 is refilled with water, the buoyancy plate 29 is balanced in water pressure up and down, and the buoyancy plate 29 moves up again.
In the use process, sewage at the water inlet 2 flows into the filter box 8 from the water inlet cavity 5 by self gravity, impurities are filtered by the filter screens 9 at two sides of the filter box 8 and then flow into the filter cavity 6, and the impurities are discharged from the water outlet 3 after passing through the water outlet partition 7;
in the initial state, the water inflow and the water outflow are balanced, the water surface of the water inlet cavity 5 is higher than the lower end of the pontoon 17 and lower than the upper end of the pontoon 17, the trigger rod 18 is propped in the locking groove 27, the bolt rod 22 is inserted into the fixed block 20, the cover plate 13 is locked, and the water in the filter box 8 can only flow out from the filter screen 9;
in a pollution discharge state, when the filtered impurities in the filter box 8 accumulate more, the speed of water passing through the filter screen 9 is reduced, the water surface in the water inlet cavity 5 is increased, when the water surface is increased to the upper end surface of the pontoon 17, the buoyancy force borne by the pontoon 17 is increased, the pontoon 17 drives the trigger rod 18 to squeeze the second cambered surface 26, the trigger rod 18 passes through the second cambered surface 26 and then releases the locking of the fixed block 20, the cover plate 13 releases the locking, and the torsion spring 14 cannot bear the pressure of water in the whole filter box 8, the cover plate 13 rotates to play, a wastewater pool is arranged under the filter box 8, impurities in the filter box 8 are flushed into the wastewater pool, and meanwhile, the water in the filter cavity 6 can reversely flush the filter screen 9, so that the impurities on the filter screen 9 are flushed;
in the reset state, the pressure of the water below the buoyancy plate 29 suddenly disappears, the buoyancy of the buoyancy plate 29 is smaller than the pressure of the water above the buoyancy plate 29, the buoyancy plate 29 can quickly move down to the upper opening of the filter box 8, the water in the water inlet cavity 5 can only flow into the filter box 8 through the water through holes 30, the water outlet speed in the filter box 8 is higher than the water inlet speed, the cover plate 13 is closed when the torsion spring 14 bears the gravity of smaller water, the water quantity flowing into the filter box 8 is smaller at the moment, the water surface of the water inlet cavity 5 quickly rises to drive the falling pontoon 17 to move upwards, the trigger rod 18 is clamped in the locking groove 27 again, and the cover plate 13 is locked; when the filter tank 8 is refilled with water, the upper and lower water pressures of the buoyancy plate 29 are balanced, and the buoyancy plate 29 moves up again to return to the original state.
Embodiment 2, referring to fig. 1-9, is a second embodiment of the present invention, which differs from the first embodiment in that: a cleaning unit is arranged in the filter box 8 and is used for cleaning filter screens at two sides of the filter box 8; the cleaning unit comprises a cleaning assembly 31 and a connecting assembly 32; a cleaning assembly 31 is arranged in the filter box 8 and is used for cleaning the filter screen; the connection assembly 32 is used to connect the cleaning assembly 31 and the reset assembly 12 to reset the cleaning assembly 31.
The number of cleaning units is the same as the number of filtering units.
Referring to fig. 8, the cleaning unit 31 includes a guide groove 33 provided on an inner wall of the filter box 8, a slide bar 34 slidably provided in the guide groove 33, a sleeve 35 rotatably provided on the slide bar 34, a cleaning bar 36 rotatably provided on the sleeve 35, a screw impeller 37 provided on the cleaning bar 36, and bristles 38 provided on an edge of the screw impeller 37.
Specifically, the guide slot 33 is obliquely arranged on the inner wall of the filter box 8, 4 guide slots are symmetrically arranged in front-back direction, the sliding rods 34 and the sleeves 35 are arranged in 2 groups, the sliding rods 34 are slidably arranged in the guide slot 33, the sliding rods 34 can rotate relative to the sleeves 35, the cleaning rods 36 are rotatably arranged between the upper and lower groups of the sleeves 35 through rotating shafts, spiral impellers 37 are fixed on the cleaning rods 36, bristles 38 are fixed on the edges of the spiral impellers 37, the bristles 38 are in contact with the filter screen 9, after the cover plate 13 is opened, water flowing downwards drives the spiral She Luo to rotate so as to drive the bristles 38 to clean the filter screen 9, and meanwhile, the sliding rods 34 move along the guide slot 33 so as to drive the spiral impellers 37 to move rightwards, so that the filter screen 9 on two sides is cleaned.
Referring to fig. 9, the connection assembly 32 includes a sliding groove 39 provided on the upper surface of the buoyancy plate 29, a connection groove 40 provided at the bottom of the sliding groove 39, a short bar 41 slidably provided in the sliding groove 39, and a connection rod 42 penetrating through the connection groove 40, and both ends of the connection rod 42 are hinged with the sleeve 35 and the short bar 41, respectively.
Specifically, the buoyancy plate 29 is provided with a sliding groove 39, the bottom of the sliding groove 39 is provided with a connecting groove 40 penetrating through the buoyancy plate 29, and a short rod 41 is slidably arranged in the sliding groove 39, a connecting rod 42 is connected with the sleeve 35 and the short rod 41 above through hinges, the spiral impeller 37 rotates and moves obliquely downwards and simultaneously pulls the buoyancy plate 29 to move downwards, and the buoyancy plate 29 also pulls the spiral impeller 37 to move obliquely upwards to an initial position when floating upwards.
In the use process, after the cover plate 13 is opened for pollution discharge, water in the water inlet cavity 5 flows into the filter box 8 and is discharged from the bottom of the filter box 8, in the process, the water flow drives the spiral impeller 37 to rotate to drive the brush hair 38 to rotate so as to clean the filter screen 9, meanwhile, the water flow drives the spiral impeller 37 to move downwards in an inclined manner along the guide groove 33 so as to finish cleaning the filter screens 9 at two sides, and the spiral impeller 37 moves downwards in an inclined manner and drives the buoyancy plate 29 to move downwards until the buoyancy plate 29 covers the upper opening of the filter box 8; when the impurity in the filter tank 8 is discharged and the cover plate 13 is closed, the buoyancy plate 29 floats upwards to drive the spiral impeller 37 to move upwards in an inclined mode and return to the highest point when the filter tank 8 is fully filled with water again.
The rest of the structure is the same as that of embodiment 1.
The invention relates to a working principle of marine aquaculture sewage treatment equipment, which comprises the following steps:
the water inlet 2 is communicated with a water area to be purified, the water outlet 3 is communicated with a purified water area, the water area to be purified and the purified water area have a height difference, a sewage pool is arranged below the filter box 8, sewage of the water inlet 2 flows into the filter box 8 from the water inlet cavity 5 by means of self gravity, impurities are filtered by the filter screens 9 at two sides of the filter box 8 and then flow into the filter cavity 6, and the sewage is discharged from the water outlet 3 after passing through the water outlet partition 7;
in the initial state, the water inflow and the water outflow are balanced, the water surface of the water inlet cavity 5 is higher than the lower end of the pontoon 17 and lower than the upper end of the pontoon 17, the trigger rod 18 is propped in the locking groove 27, the bolt rod 22 is inserted into the fixed block 20, the cover plate 13 is locked, and the water in the filter box 8 can only flow out from the filter screen 9;
in a pollution discharge state, when the filtered impurities in the filter box 8 accumulate more, the speed of water passing through the filter screen 9 is reduced, the water surface in the water inlet cavity 5 is increased, when the water surface is increased to the upper end surface of the pontoon 17, the buoyancy force borne by the pontoon 17 is increased, the pontoon 17 drives the trigger rod 18 to squeeze the second cambered surface 26, the trigger rod 18 passes through the second cambered surface 26 and then releases the locking of the fixed block 20, the cover plate 13 releases the locking, and after the torsion spring 14 cannot bear the pressure of water in the whole filter box 8, the cover plate 13 rotates to be opened, the impurities in the filter box 8 are flushed into a wastewater pool, and the water in the filter cavity 6 can reversely flush the filter screen 9, so that the impurities on the filter screen 9 are flushed; the water flow drives the spiral impeller 37 to rotate so as to drive the brush hair 38 to rotate to clean the filter screen 9, and meanwhile, the water flow drives the spiral impeller 37 to move obliquely downwards along the guide groove 33 so as to clean the filter screens 9 on two sides;
in the reset state, the pressure of the water below the buoyancy plate 29 suddenly disappears, the buoyancy of the buoyancy plate 29 is smaller than the pressure of the water above the buoyancy plate 29, the buoyancy plate 29 can rapidly move downwards to the upper opening of the filter tank 8 due to the downward pulling force of the spiral impeller 37, the water in the water inlet cavity 5 can only flow into the filter tank 8 through the water through hole 30, the water outlet speed in the filter tank 8 is higher than the water inlet speed, the cover plate 13 is closed when the torsion spring 14 bears the gravity of smaller water, the water flowing into the filter tank 8 is less at the moment, the water surface of the water inlet cavity 5 rapidly rises to drive the falling pontoon 17 to move upwards, the trigger rod 18 is clamped in the locking groove 27 again, and the cover plate 13 is locked; when the filter tank 8 is refilled with water, the upper and lower water pressures of the buoyancy plate 29 are balanced, the buoyancy plate 29 floats upwards again, the buoyancy plate 29 floats upwards to drive the spiral impeller 37 to move upwards in an inclined mode, and the original state is returned.
Claims (4)
1. The utility model provides a marine aquaculture sewage treatment device, includes box (1), sets up water inlet (2) and delivery port (3) on box (1), sets up filter baffle (4) in box (1), and filter baffle (4) separate into inlet chamber (5) and filter chamber (6) with box (1), set up outlet baffle (7) in filter chamber (6), and outlet baffle (7) are close to delivery port (3), its characterized in that: the filter unit is also included;
the filtering unit is arranged in the filtering cavity (6) and comprises a filtering box (8) arranged between the filtering baffle plate (4) and the box body (1), filter screens (9) arranged on two sides of the filtering box (8), a dirt discharging assembly (10), a control assembly (11) and a resetting assembly (12);
the sewage discharging assembly (10) is connected with the filter box (8), the control assembly (11) is connected with the sewage discharging assembly (10), and the reset assembly (12) is connected with the control assembly (11);
the dirt discharging assembly (10) comprises a cover plate (13) arranged at the bottom of the filter box (8), the cover plate (13) is hinged with the filter box (8), and a torsion spring (14) is arranged between the cover plate (13) and the filter box (8);
the control assembly (11) comprises a fixed lug (15) arranged on the front side of the filter box (8), a vertical rod (16) arranged in the fixed lug (15) in a sliding manner, a pontoon (17) arranged at the top end of the vertical rod (16), a trigger rod (18) arranged at the lower end of the vertical rod (16), a limit groove (19) arranged at the lower end of the vertical rod (16), a fixed block (20) arranged on the cover plate (13), a limit lug (21) arranged on the front side of the filter box (8), a bolt rod (22) arranged in the limit lug (21) in a sliding manner, wherein the right end of the bolt rod (22) is inserted into the fixed block (20), a locking block (23) arranged on the left end face of the bolt rod (22) and a locking spring (24) arranged on the bolt rod (22), and the locking spring (24) is propped against the locking block (23) and the limit lug (21);
the locking block (23) comprises a first cambered surface (25), a second cambered surface (26) and a locking groove (27);
the resetting assembly (12) comprises a limit column (28) arranged on the upper end surface of the filter box (8), a buoyancy plate (29) arranged in the limit column (28) in a sliding manner, and a water through hole (30) arranged on the buoyancy plate (29);
the water inlet 2 is communicated with a water area to be purified, the water outlet 3 is communicated with the purified water area, the water area to be purified and the purified water area have height differences, a sewage pool is arranged below the filter box 8, sewage of the water inlet 2 flows into the filter box 8 from the water inlet cavity 5 by means of self gravity, impurities are filtered by the filter screens 9 at two sides of the filter box 8 and then flow into the filter cavity 6, and the sewage is discharged from the water outlet 3 after passing through the water outlet partition 7.
2. The marine aquaculture sewage treatment apparatus according to claim 1, wherein: a cleaning unit is arranged in the filter box (8), and comprises a cleaning assembly (31) and a connecting assembly (32);
the cleaning component (31) is arranged in the filter box (8);
the connecting component (32) is used for connecting the cleaning component (31) and the resetting component (12) so as to reset the cleaning component (31).
3. The marine aquaculture sewage treatment apparatus according to claim 2, wherein: the cleaning assembly (31) comprises a guide groove (33) arranged on the inner wall of the filter box (8), a sliding rod (34) arranged in the guide groove (33) in a sliding mode, a sleeve (35) arranged on the sliding rod (34) in a rotating mode, a cleaning rod (36) arranged on the sleeve (35) in a rotating mode, a spiral impeller (37) arranged on the cleaning rod (36) and bristles (38) arranged on the edge of the spiral impeller (37).
4. A marine aquaculture sewage treatment plant according to claim 3 wherein: the connecting assembly (32) comprises a sliding groove (39) arranged on the upper surface of the buoyancy plate (29), a connecting groove (40) arranged at the bottom of the sliding groove (39), a short rod (41) arranged in the sliding groove (39) in a sliding manner, and a connecting rod (42) penetrating through the connecting groove (40), wherein two ends of the connecting rod (42) are hinged with the sleeve (35) and the short rod (41) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293733.4A CN117018714B (en) | 2023-10-09 | 2023-10-09 | Marine aquaculture sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311293733.4A CN117018714B (en) | 2023-10-09 | 2023-10-09 | Marine aquaculture sewage treatment device |
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| Publication Number | Publication Date |
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| CN117018714A CN117018714A (en) | 2023-11-10 |
| CN117018714B true CN117018714B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311293733.4A Active CN117018714B (en) | 2023-10-09 | 2023-10-09 | Marine aquaculture sewage treatment device |
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| Country | Link |
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| CN (1) | CN117018714B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195330A (en) * | 2021-12-14 | 2022-03-18 | 湖南省河洲生态甲鱼养殖有限公司 | Soft-shelled turtle pond water purification device and purification method thereof |
| CN114291970A (en) * | 2021-12-29 | 2022-04-08 | 浙江省舟山市水产研究所 | Mariculture tail water treatment system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114195330A (en) * | 2021-12-14 | 2022-03-18 | 湖南省河洲生态甲鱼养殖有限公司 | Soft-shelled turtle pond water purification device and purification method thereof |
| CN114291970A (en) * | 2021-12-29 | 2022-04-08 | 浙江省舟山市水产研究所 | Mariculture tail water treatment system |
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| CN117018714A (en) | 2023-11-10 |
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