Sewage treatment device for ecological filter tank
Technical Field
The utility model relates to the technical field of sewage treatment of an ecological filter tank, in particular to a sewage treatment device of the ecological filter tank.
Background
The ecological filter tank is a novel ecological sewage treatment technology developed on the basis of a biological filter tank and an artificial wetland, and mainly purifies pollutants in sewage through the combined actions of interception and adsorption of filter tank fillers, oxidative decomposition of microorganisms attached to the fillers, absorption and conversion of filter tank plants and the like. Because the advantages of the biological filter and the artificial wetland are combined, the ecological filter has more obvious comparative advantages in the aspects of comprehensive performances such as investment cost, operating cost, purifying effect, occupied area, ecological benefit, difficulty in operation and the like, and is very hopeful to be popularized and applied in the sewage and wastewater treatment fields such as rural domestic sewage, aquaculture wastewater, tail water of sewage treatment plants, industrial wastewater and the like.
The existing ecological filter tank directly discharges sewage into a sewage treatment device after simple treatment, so that the blockage of a filling layer in the sewage treatment device is easily caused, the ecological filter tank is relatively troublesome to clean, the cost is increased, the existing ecological filter tank sewage treatment device has fewer treatment measures such as filtering, the filtering is insufficient, and the filtering effect is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an ecological filter tank sewage treatment device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a sewage treatment device of an ecological filter tank comprises a distribution tank, a sewage inlet pipe and a first water outlet pipe, wherein one side of the distribution tank is communicated with the sewage inlet pipe, one side of the distribution tank is communicated with the first water outlet pipe, second filter screens are inserted into the inner walls of the two sides of the distribution tank, a cleaning device is fixed on the inner wall of one side of the distribution tank, one end of the first water outlet pipe is connected with a water pump, the water outlet of the water pump is connected with a second water outlet pipe, one end of the second water outlet pipe is communicated with a water spray pipe, the bottom of the water spray pipe is communicated with a plurality of rotary spray heads, a primary ecological tank sewage treatment device is placed on one side of the distribution tank, the water spray pipe is fixed at the top end of the primary ecological tank sewage treatment device, the bottom of one side of the primary ecological tank sewage treatment device is communicated with a third water outlet pipe, one side of the third water outlet pipe is communicated with a precipitation device, and one side of the precipitation device is communicated with a fourth water outlet pipe, and one end of the fourth water outlet pipe is communicated with a secondary ecological pond sewage treatment device, and the bottom of one side of the secondary ecological pond sewage treatment device is communicated with a water purification pipe.
Preferably, the cleaning device comprises a water inlet main pipe, the water inlet main pipe is fixed to the inner wall of one side of the distribution pool, the bottom of the water inlet main pipe is communicated with a plurality of vertical pipes, and one side of each vertical pipe is connected with a plurality of high-pressure nozzles.
Preferably, one-level ecological pond sewage treatment plant includes one-level ecological pond box, one-level ecological pond box inner wall top-down has set gradually vegetation packing layer and rubble layer, rubble layer bottom is provided with the second support frame, the second support frame is fixed with one-level ecological pond box inner wall.
Preferably, the sedimentation device comprises a sedimentation tank body, a first filter screen is fixed on the inner wall of the sedimentation tank body, the third water outlet pipe is positioned at the bottom of the first filter screen, and the fourth water outlet pipe is positioned at the top of the first filter screen.
Preferably, the second-level ecological pool sewage treatment device comprises a second-level ecological pool box body, a first support frame is fixed on the inner wall of the second-level ecological pool box body, and an activated carbon layer is arranged on the top of the first support frame.
Preferably, a garbage cleaning opening is formed in one side of the distribution pool, a door is arranged on the outer side of the garbage cleaning opening, and ventilating pipes are communicated with one sides of the distribution pool and the sewage treatment device of the first-level ecological pool.
Compared with the prior art, the utility model has the beneficial effects that:
(1) this ecological filter sewage treatment plant, be provided with the second filter screen, belt cleaning device and sediment device, can filter big impurity through the second filter screen, when the second filter screen blockked up, high pressure nozzle sprays water to the second filter screen, the impurity that is washed out by the water-washed flows from rubbish clearance mouth, sediment device will deposit from the water that the ecological pond sewage treatment plant of one-level flows once more, less impurity gets into in the ecological pond sewage treatment plant of second grade once more, thereby the jam of filling layer in the sewage treatment plant has been reduced, and the cost is saved.
(2) This ecological filter sewage treatment plant is provided with one-level ecological pond sewage treatment plant and second grade ecological pond sewage treatment plant, through handles such as multi-stage filtration, makes sewage obtain the abundant filtration and finally obtains clean water to the filter effect has been improved.
Drawings
FIG. 1 is a left side axial view of the present invention;
FIG. 2 is a right side axial view of the present invention;
FIG. 3 is an axial view of the present invention with a portion of the outer plate of the treatment apparatus removed;
FIG. 4 is a top view of the present invention with a portion of the outer plate removed.
In the figure: 1. a water distribution tank; 2. a first-stage ecological pool sewage treatment device; 201. a plant growth filler layer; 202. a crushed stone layer; 203. a second support frame; 204. a first-level ecological pool box body; 3. a precipitation device; 301. a sedimentation tank body; 302. a first filter screen; 4. a secondary ecological pool sewage treatment device; 401. a second-stage ecological pool box body; 402. an activated carbon layer; 403. a first support frame; 5. a cleaning device; 501. a water inlet main pipe; 502. A vertical tube; 503. a high pressure spray head; 7. a sewage inlet pipe; 8. a first water outlet pipe; 9. a second water outlet pipe; 10. a water spray pipe; 11. rotating the spray head; 12. a water pump; 13. a third water outlet pipe; 14. a fourth water outlet pipe; 15. a garbage cleaning port; 16. a door; 17. a breather pipe; 18. a water purifying pipe; 19. a second filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.
As shown in fig. 1 to 4, the present invention provides a technical solution: a sewage treatment device of an ecological filter tank comprises a distribution tank 1, a sewage inlet pipe 7 and a first water outlet pipe 8, wherein one side of the distribution tank 1 is communicated with the sewage inlet pipe 7, one side of the distribution tank 1 is communicated with the first water outlet pipe 8, the inner walls of two sides of the distribution tank 1 are inserted with second filter screens 19, an upper cover of the distribution tank 1 can be disassembled, so that equipment in the distribution tank 1 can be conveniently overhauled, a cleaning device 5 is fixed on the inner wall of one side of the distribution tank 1, the cleaning device 5 comprises a water inlet header pipe 501, the water inlet header pipe 501 is fixed with the inner wall of one side of the distribution tank 1, the bottom of the water inlet header pipe 501 is communicated with a plurality of vertical pipes 502, the vertical pipes 502 are uniformly distributed at the bottom of the water inlet header pipe 501, one side of the vertical pipes 502 is connected with a plurality of high-pressure spray nozzles 503, the high-pressure spray nozzles 503 are uniformly distributed at one side of the vertical pipes 502, when the second filter screens 19 are blocked, the high-pressure spray nozzles 503 spray water to the second filter screens 19, and impurities flushed by water flow out from a garbage cleaning port 15, one end of the first water outlet pipe 8 is connected with a water pump 12, the water outlet of the water pump 12 is connected with a second water outlet pipe 9, one end of the second water outlet pipe 9 is communicated with a water spray pipe 10, the bottom of the water spray pipe 10 is communicated with a plurality of rotary spray nozzles 11, the rotary spray nozzles 11 are arranged to uniformly spray sewage on the top of the plant growth packing layer 201, one side of the distribution tank 1 is provided with the first-stage ecological pool sewage treatment device 2, the first-stage ecological pool sewage treatment device 2 comprises a first-stage ecological pool box body 204, the plant growth packing layer 201 and the rubble layer 202 are sequentially arranged on the inner wall of the first-stage ecological pool box body 204 from top to bottom, the bottom of the rubble layer 202 is provided with a second support frame 203, the second support frame 203 is fixed with the inner wall of the first-stage ecological pool box body 204, the water spray pipe 10 is fixed on the top end of the first-stage ecological pool sewage treatment device 2, the bottom of one side of the first-stage ecological pool sewage treatment device 2 is communicated with a third water outlet pipe 13, third outlet pipe 13 one side intercommunication has precipitation unit 3, precipitation unit 3 includes sedimentation tank box 301, sedimentation tank box 301 inner wall is fixed with first filter screen 302, third outlet pipe 13 is located first filter screen 302 bottom, precipitation unit 3 will deposit from the 2 water that flow of one-level ecological pond sewage treatment plant once more, less impurity gets into second grade ecological pond sewage treatment plant 4 once more, fourth outlet pipe 14 is located first filter screen 302 top, 3 one side intercommunication of precipitation unit has fourth outlet pipe 14, fourth outlet pipe 14 one end intercommunication has second grade ecological pond sewage treatment plant 4, second grade ecological pond sewage treatment plant 4 includes second grade ecological pond box 401, second grade ecological pond box 401 inner wall is fixed with first support frame 403, first support frame 403 top is provided with activated carbon layer 402 second grade ecological pond sewage treatment plant 4 one side bottom intercommunication has water purification pipe 18.
As shown in fig. 1-4, a garbage cleaning opening 15 is formed at one side of the distribution tank 1, a door 16 is arranged at the outer side of the garbage cleaning opening 15, and vent pipes 17 are communicated with one sides of the distribution tank 1 and the first-stage ecological tank sewage treatment device 2.
Sewage gets into distribution tank 1 from sewage inlet pipe 7 in, through the filtration of second filter screen 19, water after the filtration passes through in water pump 12 pump goes into one-level ecological pond sewage treatment plant 2, get into in metalling 202 after planting living packing layer 201 purifies, the water of preliminary purification gets into the bottom of one-level ecological pond sewage treatment plant 2, the water of preliminary purification carries out impurity precipitation in getting into precipitation unit 3 through third outlet pipe 13, the less water of upper portion impurity enters into in second grade ecological pond sewage treatment plant 4 through fourth outlet pipe 14, discharge from clear water pipe 18 after filtering through activated carbon layer 402 at last.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.