A kind of fish culture waste water cyclic utilization system
Technical field
The utility model relates to the fishpond water-treatment technology field, relates in particular to a kind of fish culture waste water cyclic utilization system.
Background technology
Water is the environment of medium in which fish live, and water quality can reduce the generation of fish disease preferably, more is conducive to growth and the existence of fish.Especially the aquaculture of torridity summer fresh water is the peak period that fish disease is popular, must strengthen the fish disease prevention work, keeps the water quality of aquaculture pond and the health of breeding environment, also needs in addition compartment of terrain to oxygenation in fishpond.Open type flow water fish farming pattern is mostly adopted in industrial fish farming at present, and its energy consumption is high, the waste groundwater resource, and the not treated direct discharging of fishpond water, and environment is caused to very large pollution.So, strengthen waste water control, make it not only qualified discharge, and reuse in a large number, be very necessary thing.Thus, this improves water surrounding to decontamination, alleviates the deficiency of water resources, saves valuable water resources, and promotes that the development etc. of environmental protection industry is all very important.
The utility model content
Problem for above-mentioned existence, the utility model provides a kind of treated water water quality good, can effectively remove dissolved salts, colloidal solid, myxiosis thing and germ in water, can guarantee high yield, the stable yields of fish, can realize again economizing on water, energy-conservation fish culture waste water cyclic utilization system.
for solving this technical problem, the utility model is taked following scheme: a kind of fish culture waste water cyclic utilization system, comprise fishpond, filter the roller screen machine, agitating reaction pond, air-floating apparatus, quartz filter, more medium filter, ozonizer, ultraviolet sterilizer and back pool, described fishpond has sewage draining exit and water-in, the sewage draining exit in described fishpond connects the dirt inlet that filters the roller screen machine, the water outlet of described filtration roller screen machine connects the water-in of agitating reaction pond, the water outlet of described agitating reaction pond connects the water-in of air-floating apparatus, the water outlet of described air-floating apparatus connects the water inlet pipe of quartz filter, the rising pipe of described quartz filter connects the more medium filter water-in, the water outlet of described more medium filter connects the water-in of ozonizer, the water outlet of described ozonizer connects the water-in of ultraviolet sterilizer, the water outlet of described ultraviolet sterilizer connects the reuse water import of back pool, the water outlet of back pool connects the water-in in fishpond, in described fishpond, bottom is equipped with tracheae, on described tracheae, be evenly equipped with production well, one end of described tracheae stretches out outside fishpond and is connected with blower fan, pipeline between described more medium filter and ozonizer is provided with and presses down the bubble defoamer.
Further improvedly be: described quartz filter comprises housing, described enclosure interior arranges the quartz sand filtration layer, the upper end of housing arranges water-in, the lower end of housing sets out the mouth of a river, the side that housing is positioned at water-in arranges venting port, the side that housing is positioned at water outlet arranges the triangle leg, and the upside of quartz sand filtration layer arranges the backwash water outlet, and the downside of quartz sand filtration layer arranges the back flushing water-in.
Further improvedly be: the top that is positioned at the back flushing water outlet on described housing is provided with transparent windows.
Further improvedly be: on described back pool, also be provided with the clear water water-in, described clear water water-in connects the tap water water source by high-pressure pump, and the below that described back pool is positioned at the reuse water import also is provided with high-density fiber silk layer.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model: the utility model fish culture waste water cyclic utilization system has following advantage:
1, air-floating apparatus utilizes the micro-bubble of high dispersing to remove to adhere to the pollutent in waste water as carrier, it is removed, mainly for separating of the myxiosis thing in waste water and the trickle suspended solid of hydrophobicity to the water surface with air bubble buoyancy;
2, adopt quartz filter to carry out filtration treatment to water quality, in quartz filter, filtrate is high grade quartz sand, these filtrates are ordered distribution in strainer according to its proportion and particle diameter, the orlop at filtering layer that particle diameter is slightly large, the superiors that are placed on filtering layer that particle diameter is little, the interception capacity of assurance filtrate.Thereby it removes by certain thickness granular or on-granulated material the process that suspended impurity makes clarification of water to the higher water of turbidity effectively under certain pressure, impurity in the former water of energy filtering, particulate matter, silt, suspended substance, colloid etc., reduce the turbidity of water, thereby guarantee its water outlet SDI(pollution index)≤4;
3, adopt more medium filter further remove suspended substance in sewage with colloidal state impurity, adsorb greasy dirt etc., the requirement that water quality is met recycle;
4, adopt ozonizer further to carry out the deodorizing processing to the water quality from flowing out more medium filter, ozone has very strong oxidative decomposition capacity, can eliminate rapidly and thoroughly the various peculiar smell in water; And can eliminate bacterium in water, virus, oxidation impurities, prevent that water quality from addling rotten, increases nutrient in water;
5, be provided with ultraviolet sterilizer, can utilize the biological structure of the photo damage microorganism of the special wavelength that quartz burner sends to reach the purpose of kill harmful thalline, its lethality is strong, can cut off at short notice pathogeny, kill the pernicious bacteria in water.
The accompanying drawing explanation
The system architecture schematic diagram of Fig. 1 the utility model embodiment.
Embodiment
Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.
as shown in Figure 1, the utility model embodiment discloses a kind of fish culture waste water cyclic utilization system, comprise fishpond 1, filter roller screen machine 2, agitating reaction pond 3, air-floating apparatus 4, quartz filter 5, more medium filter 6, ozonizer 7, ultraviolet sterilizer 8 and back pool 9, described fishpond 1 has sewage draining exit and water-in, the sewage draining exit in described fishpond 1 connects the dirt inlet that filters roller screen machine 2, the water outlet of described filtration roller screen machine 2 connects the water-in of agitating reaction pond 3, the water outlet of described agitating reaction pond 3 connects the water-in of air-floating apparatus 4, air-floating apparatus utilizes the micro-bubble of high dispersing to remove to adhere to the pollutent in waste water as carrier, it is removed to the water surface with air bubble buoyancy, mainly for separating of the myxiosis thing in waste water and the trickle suspended solid of hydrophobicity, the water outlet of described air-floating apparatus 4 connects the water inlet pipe of quartz filter 5, adopt quartz filter to carry out filtration treatment to water quality, in quartz filter, filtrate is high grade quartz sand, these filtrates are ordered distribution in strainer according to its proportion and particle diameter, the orlop at filtering layer that particle diameter is slightly large, the superiors that are placed on filtering layer that particle diameter is little, the interception capacity of assurance filtrate.thereby it removes by certain thickness granular or on-granulated material the process that suspended impurity makes clarification of water to the higher water of turbidity effectively under certain pressure, impurity in the former water of energy filtering, particulate matter, silt, suspended substance, colloid etc., reduce the turbidity of water, thereby guarantee its water outlet SDI(pollution index)≤4, the rising pipe of described quartz filter 5 connects more medium filter 6 water-ins, adopt more medium filter 6 further remove suspended substance in sewage with colloidal state impurity, adsorb greasy dirt etc., the requirement that water quality is met recycle, the water outlet of described more medium filter 6 connects the water-in of ozonizer 7, adopt ozonizer further to carry out the deodorizing processing to the water quality from flowing out quartz filter, ozone has very strong oxidative decomposition capacity, can eliminate rapidly and thoroughly the various peculiar smell in water, and can eliminate bacterium in water, virus, oxidation impurities, prevent that water quality from addling rotten, increases nutrient in water, the water outlet of described ozonizer 7 connects the water-in of ultraviolet sterilizer 8, can utilize the biological structure of the photo damage microorganism of the special wavelength that quartz burner sends to reach the purpose of kill harmful thalline, its lethality is strong, can cut off at short notice pathogeny, kill the pernicious bacteria in water, the water outlet of described ultraviolet sterilizer 8 connects the reuse water import of back pool 9, the water outlet of back pool 9 connects the water-in in fishpond 1, interior bottom, described fishpond 1 is equipped with tracheae 11, on described tracheae 11, be evenly equipped with production well, one end of described tracheae 11 stretches out outside fishpond 1 and is connected with blower fan 12, utilize blower fan to carry out to pool inner water the oxygen level that oxygenating can effectively keep fishpond water, avoid occurring that the oxygen deficiency causes the unusual death of fish, pipeline between described more medium filter 6 and ozonizer 7 is provided with and presses down bubble defoamer 61, make the novel good bubble froth breaking effect that presses down that has.
described quartz filter 5 comprises housing 51, described housing 51 inside arrange quartz sand filtration layer 52, the upper end of housing 51 arranges water-in 53, the lower end of housing 51 sets out the mouth of a river 54, the side that housing 51 is positioned at water-in arranges venting port 55, the side that housing 51 is positioned at water outlet arranges triangle leg 56, the upside of quartz sand filtration layer 52 arranges backwash water outlet 57, the downside of quartz sand filtration layer 52 arranges back flushing water-in 58, the top that is positioned at back flushing water outlet 57 on described housing 51 is provided with transparent windows 59, see through the transparent windows people and can see whether quartz sand filtration layer surface piles up filter residue, so that back flushing timely.
On described back pool 9, also be provided with clear water water-in 91, described clear water water-in 91 connects the tap water water source by high-pressure pump, when in fishpond during water shortage can the clear water water-in supply water source, the below that described back pool 9 is positioned at the reuse water import also is provided with high-density fiber silk layer 92, the space of high-density fiber silk filtering layer is many, specific surface area is large, have the effect that machinery dams, suspended substance and biological floe in can further a large amount of to intercept sewages, have further guaranteed the water quality of water outlet.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, the technician in relevant field is not breaking away under spirit and scope of the present utility model, and the various conversion of making and variation all belong to category of the present utility model, should be limited by each claim.