Background
The sewage treatment means: the sewage is purified to meet the water quality requirement of being discharged into a certain water body or reused. The sewage treatment is widely applied to various fields of buildings, agriculture, traffic, energy sources, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like, and the sewage treatment is increasingly carried into the daily life of common people.
At present, sewage treatment mainly comprises two conventional modes of physical purification and chemical purification, wherein the chemical purification mainly converts and filters harmful elements in sewage through related chemicals, and the physical purification is realized through adopting structures such as quartz sand filter materials, anthracite filter materials, polyaluminium chloride, activated carbon, honeycomb inclined tube filler, fiber ball filter materials, garnet sand and the like.
But in the above-mentioned sewage treatment mode, sewage will discharge after the filtration step of final in general, and the not up to standard then needs to pass through sewage treatment subassembly again, and its reciprocal cyclic process can reduce sewage treatment efficiency, and for this reason, this application provides a sewage treatment plant for environmental protection, adds the backward flow and deposits the link, reduces the repeated purification number of times to improve sewage treatment efficiency.
Disclosure of Invention
In order to achieve the above purpose, the present utility model provides the following technical solutions: an environment-friendly sewage treatment device comprises a sewage treatment tank;
the sewage treatment tank comprises a tank body, wherein the bottom and the top of the tank body are respectively connected with a lower end cover and an upper end cover through bolts, an inner container is arranged in the tank body, and a filter screen is arranged at the bottom of the inner container;
the filter is characterized in that the inner container is internally provided with a filter filler, the upper end of the inner container is provided with a water inlet pipe, the water inlet pipe penetrates through the upper end cover, a supporting piece is fixed in the middle of the bottom of the filter screen, and the bottom of the supporting piece is abutted to the inner side of the lower end cover.
Preferably, the sewage treatment tank forms a sewage treatment system, and a sewage pipe is commonly connected with a water inlet pipe connected with the sewage treatment tank.
Preferably, a mounting ring is fixed on the peripheral side of the middle part of the tank body, and the mounting ring is fixed with the external supporting surface.
Preferably, a positioning ring is fixed on the peripheral side of the inner container, and the positioning ring is abutted against the bulge on the inner side of the tank body.
Preferably, water outlet pipes are symmetrically arranged at the upper part of the peripheral side of the tank body, and the height of each water outlet pipe is lower than that of the inner container.
Preferably, the filter fillers are layered, the filter fillers are granular solids, and the particle diameters of the filter fillers gradually decrease from top to bottom.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts the combination of the sewage treatment tanks to carry out centralized treatment on sewage, the sewage is discharged after being purified by the filter filler arranged in the inner container, the process is simple, the operation is convenient and fast, the practicability is strong, and meanwhile, a reflux sedimentation link is additionally arranged, so that the repeated purification times are reduced, and the sewage treatment efficiency is improved;
specifically, sewage is inside the inlet tube in the sewer pipe reposition of redundant personnel, and sewage is got into to the inner bag inside by the inlet tube, from top to bottom filters step by step, finally leaks from the filter screen that the inner bag below set up, based on the communicating vessel principle, and the water after filtering can temporarily store in the interval space of inner bag and jar body, until liquid level rise to outlet pipe department, is discharged by the outlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, there is shown: the embodiment is a preferred implementation manner in the technical scheme, and the environment-friendly sewage treatment device comprises a sewage treatment tank 1;
the sewage treatment tank 1 comprises a tank body 11, the bottom and the top of the tank body 11 are respectively connected with a lower end cover 12 and an upper end cover 15 through bolts, an inner container 17 is arranged in the tank body 11, and a filter screen 18 is arranged at the bottom of the inner container 17;
the filter packing is arranged in the inner container 17, the water inlet pipe 3 is arranged at the upper end of the inner container 17, the water inlet pipe 3 penetrates through the upper end cover 15, a supporting piece 19 is fixed at the middle position of the bottom of the filter screen 18, and the bottom of the supporting piece 19 is abutted against the inner side of the lower end cover 12;
it should be noted that the filtering fillers are layered and are particulate solids, and the particle diameters of the filtering fillers gradually decrease from top to bottom, where the selection of the filtering fillers is determined according to the nature of the sewage, and the filtering fillers can be selected in various ways, so specific materials thereof are not limited herein, for example, ceramsite, stone sand, uniform mixture of pyrite particles and limestone particles, etc., and are used for filtering impurities in the sewage and converting relevant elements;
classified according to sewage sources, sewage treatment is generally classified into production sewage treatment and domestic sewage treatment; the production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, and the domestic sewage is sewage generated in daily life and refers to a complex mixture of various inorganic matters and organic matters, including floating and suspended solid particles; jelly-like and gel-like spreads; a pure solution; the water pollution is classified into two categories according to the nature of the water pollution: one type is natural pollution; the other type is artificial pollution, and the current hazard to water is great; water pollution can be mainly divided into three categories of chemical pollution, physical pollution and biological pollution according to different pollution impurities; the pollutants are mainly as follows: untreated industrial wastewater; untreated domestic sewage; a great deal of farmland sewage using chemical fertilizers, pesticides and herbicides; industrial waste and household garbage stacked on river sides; soil erosion; mine sewage; from the aspect of environmental protection, the sewage is required to be purified, and the sewage treatment device has various functions and adopts different filtering fillers according to different sewage types;
when the sewage treatment device is used, sewage enters the inner container 17 from the water inlet pipe 3, is filtered step by step from top to bottom, finally leaks from the filter screen 18 arranged below the inner container 17, is temporarily stored in the interval space between the inner container 17 and the tank 11 based on the principle of a communicating vessel until the liquid level rises to the water outlet pipe 14, is discharged from the water outlet pipe 14, and is sealed at the end part of the tank 11 through the functions of the upper end cover 15 and the lower end cover 12, and is required to be subjected to sealing treatment to prevent leakage at the joint.
As shown in fig. 1, a plurality of sewage treatment tanks 1 form a sewage treatment system, and a water inlet pipe 3 connected with the sewage treatment tanks 1 is commonly connected with a sewage pipe 2;
when the sewage treatment system is used, sewage is shunted through the sewage pipe 2, the water inlet pipe 3 is provided with a corresponding valve, and when any sewage treatment tank 1 fails or needs to be overhauled, the corresponding valve is closed, and then subsequent operation is carried out.
As shown in fig. 2, a mounting ring 13 is fixed on the circumference side of the middle part of the tank 11, and the mounting ring 13 is fixed between the tank and an external supporting surface; the upper part of the circumference side of the tank body 11 is symmetrically provided with a water outlet pipe 14, and the height of the water outlet pipe 14 is lower than that of the liner 17;
the mounting ring 13 is fixed to the external supporting surface by bolts.
As shown in fig. 3 and 4, a positioning ring 16 is fixed on the peripheral side of the inner container 17, and the positioning ring 16 is in contact with the protrusion on the inner side of the tank 11;
it should be noted that, its the holding ring 16 is hollow-out form setting for the circulation of convenient water after purifying, simultaneously, the inner bag 17 has the decline trend under the gravity operation, leads to contradict between holding ring 16 and the arch, in order to realize right the position fixing of inner bag 17.
In this embodiment, during the sewage purification treatment, the sewage is shunted through the sewage pipe 2 and enters the water inlet pipe 3, the sewage enters the inner container 17 from the water inlet pipe 3, is filtered step by step from top to bottom, finally leaks out from the filter screen 18 arranged below the inner container 17, and based on the principle of a communicating vessel, the filtered water is temporarily stored in the space between the inner container 17 and the tank 11 until the liquid level rises to the water outlet pipe 14, and is discharged from the water outlet pipe 14;
the liner 17 in the application needs to be cleaned regularly to ensure the cleaning effect, and the cleaning method can take out the liner 17 and also can be used for introducing cleaning liquid to clean the built-in filter packing.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.