Unpowered rural sewage treatment device

Abstract

The utility model discloses a sewage treatment device, belongs to the technical field of sewage treatment equipment, and particularly relates to an unpowered rural sewage treatment device which comprises a septic tank, a sewage purification tank and a recycling tank, the input end of the sewage purification tank is communicated with the septic tank, and the output end of the sewage purification tank is communicated with the recycling tank; the sewage purification tank consists of a first compressed oxygen tank, a second compressed oxygen tank and a water return tank; the first compressed oxygen tank and the second compressed oxygen tank are the same in structure, the input end of the first compressed oxygen tank is communicated with the septic tank, the output end of the first compressed oxygen tank is communicated with the input end of the second compressed oxygen tank, the output end of the second compressed oxygen tank is communicated with the input end of the water return tank, the output end of the water return tank is communicated with the recycling tank, and the recycling tank is communicated with the septic tank. According to the utility model, the living environment of rural areas is improved, an unpowered anaerobic process is adopted, and the problems of difficulty in post-collection of a septic tank and high cost of aerobic biochemical treatment are solved.

Description

TECHNICAL FIELD

[0001] The utility model discloses a sewage treatment device belongs to sewage treatment equipment technical field, concretely relates to a kind of unpowered rural sewage treatment device. BACKGROUND

[0002] In rural areas, in the past, due to lack of effective sewage treatment facilities, a large amount of domestic sewage is directly discharged without treatment, leading to serious water pollution. Improving domestic sewage treatment can reduce the pollution of sewage to surface water and groundwater, protect the water resources of rural areas, and ensure the safety of drinking water for rural residents. For example, some rural areas near rivers and lakes, direct discharge of sewage has led to eutrophication and deterioration of water quality in the surrounding water bodies. After the construction and operation of sewage treatment facilities, the water quality has been significantly improved.

[0003] The existing rural sewage treatment mostly adopts a centralized sewage treatment method, which realizes sewage treatment through a large sewage treatment plant. However, this method cannot be fully popularized in cities, leading to the fact that some remote rural areas cannot carry out sewage treatment. Therefore, a small unpowered sewage treatment device is needed for each household to automatically treat sewage. UTILITY MODEL CONTENT

[0004] The utility model aims to provide an unpowered rural sewage treatment device to solve the above-mentioned problems.

[0005] Technical solution: An unpowered rural sewage treatment device comprises a septic tank, a sewage purification tank, and a reuse tank.

[0006] The input end of the sewage purification tank is communicated with the septic tank, and the output end is communicated with the reuse tank. The sewage purification tank is composed of a first oxygen compression tank, a second oxygen compression tank, and a backwater tank.

[0007] The first oxygen compression tank and the second oxygen compression tank have the same structure. The input end of the first oxygen compression tank is communicated with the septic tank, and the output end is communicated with the input end of the second oxygen compression tank. The output end of the second oxygen compression tank is communicated with the input end of the backwater tank, and the output end of the backwater tank is communicated with the reuse tank.

[0008] In further embodiments, plastic grilles are provided in the first oxygen compression tank and the second oxygen compression tank.

[0009] The plastic grille of the first oxygen compression tank is filled with spherical biological filler.

[0010] The plastic grille of the second oxygen compression tank is filled with one of spherical biological filler, MBBR filler, biochemical ball, and rock fiber filler.

[0011] In further embodiments, the first and second oxygen pressure tanks are provided with water inlet and outlet openings on the upper part, and water pipes are arranged in the tanks and connected to the water inlet of the septic tank and the first oxygen pressure tank;

[0012] The water pipe of the first oxygen pressure tank is arranged in the tank and has an input end connected to the water inlet of the septic tank and the first oxygen pressure tank;

[0013] The water pipe of the second oxygen pressure tank is arranged in the tank and has an input end connected to the water outlet of the first oxygen pressure tank and the water inlet of the second oxygen pressure tank.

[0014] In further embodiments, the water return tank is provided with a water inlet on the lower part and a water outlet on the upper part, the water inlet of the water return tank is connected to the water outlet of the second oxygen pressure tank through a connecting pipe, and the water outlet of the water return tank is connected to the reuse tank through a connecting pipe.

[0015] In further embodiments, the first and second oxygen pressure tanks are provided with lifting hole positions on the two sides and anti-floating mounting holes and sewage discharge platforms on the bottom, and the sewage discharge platforms are connected to DN40 sewage discharge pipes.

[0016] Beneficial effects: The utility model improves the rural living environment, and is matched with the product for sewage treatment after a septic tank; the product can be used for on-site treatment of rural household / separate household domestic sewage by adopting a non-powered anaerobic process, tail water can reach the local third-level / farmland irrigation water quality paddy crop standard, and the problems of difficult collection after a septic tank and high cost of adopting aerobic biochemical treatment are solved, meanwhile, the utility model has the advantages of tail water reuse, on-site discharge, non-powered anaerobic biological technology, long cleaning period, simple treatment, less investment, easy installation, less land occupation, no energy, less maintenance, no failure and the like. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sewage purification tank schematic view of the utility model.

[0018] Figure 2 It is a sewage treatment device working flow chart of the utility model.

[0019] Figure 3 It is a sewage purification tank different type working schematic view of the utility model.

[0020] Reference signs: first oxygen pressure tank 1, second oxygen pressure tank 2, water return tank 3, plastic grid 4, water pipe 5, lifting hole position 6, anti-floating mounting hole 7, sewage discharge platform 8. DETAILED DESCRIPTION

[0021] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0024] A kind of unpowered rural sewage treatment device, comprising: septic tank, sewage purification tank and reuse pool;

[0025] In one embodiment, as shown in Figure 2 The input end of the sewage purification tank is communicated with the septic tank, and the output end is communicated with the reuse pool;The sewage purification tank is composed of a first oxygen tank 1, a second oxygen tank 2 and a backwater tank 3;

[0026] In one embodiment, as shown in Figures 1 to 2 The first oxygen tank 1 and the second oxygen tank 2 are the same structure, the input end of the first oxygen tank 1 is communicated with the septic tank, and the output end is communicated with the input end of the second oxygen tank 2, the output end of the second oxygen tank 2 is communicated with the input end of the backwater tank 3, and the output end of the backwater tank 3 is communicated with the reuse pool.

[0027] In one embodiment, as shown in Figure 1As shown, the first oxygen tank 1 and the second oxygen tank 2 are both provided with plastic grating 4;

[0028] The plastic grating 4 of the first oxygen tank 1 is filled with spherical biological filler;

[0029] The plastic grating 4 of the second oxygen tank 2 is filled with one of spherical biological filler, MBBR filler, biochemical ball and rock fiber filler.

[0030] In one embodiment, as shown in the figure, Figure 1 As shown, the first oxygen tank 1 and the second oxygen tank 2 are provided with water inlet and outlet at the upper part, and are provided with water delivery pipe 5 inside;

[0031] The water delivery pipe 5 of the first oxygen tank 1 is arranged inside the tank and the input end is connected with the water inlet of the septic tank and the first oxygen tank 1;

[0032] The water delivery pipe 5 of the second oxygen tank 2 is arranged inside the tank and the input end is connected with the water outlet of the first oxygen tank 1 and the water inlet of the second oxygen tank 2.

[0033] In one embodiment, as shown in the figure, Figure 1 As shown, the lower part of the water return tank 3 is provided with water inlet, and the upper part is provided with water outlet; the water inlet of the water return tank 3 is connected with the water outlet of the second oxygen tank 2 through connecting pipe, and the water outlet of the water return tank 3 is connected with the reuse tank through connecting pipe.

[0034] In one embodiment, as shown in the figure, Figure 1 As shown, the first oxygen tank 1 and the second oxygen tank 2 are provided with lifting hole 6 at both sides, anti-floating mounting hole 7 and sewage discharge platform 8 at the bottom, and the sewage discharge platform 8 is connected with DN40 sewage discharge pipe.

[0035] In one embodiment, as shown in the figure, Figure 2 As shown, the utility model can be connected with oil separation tank for simultaneous treatment of grey water.

[0036] Working principle: as shown in the figure, Figures 1 to 3 As shown, the whole treatment process is mainly composed of septic tank sewage purification tank and reuse tank. After being collected by farmer pipe network, the sewage first enters the septic tank for pretreatment, interception of large particle solid (manure, branches, etc.), hydrolysis and acidification, removal or killing of part of intestinal pathogenic bacteria, parasitic eggs and other pathogens in black water, control of mosquito breeding, prevention of spread of stench, and improvement of treatment capacity of AA sewage purification tank at the rear end.

[0037] The sewage purification tank is two or three (according to the quantity of the treated water) series of anaerobic beds filled with high-efficiency anaerobic filler. The black ash water flowing into the sewage purification tank from the septic tank is degraded and the suspended solids are removed through the combined action of adsorption, metabolism of anaerobic microorganisms and interception of the filler. The tail water meeting the discharge standard is collected in the reuse pool at the rear end of the sewage purification tank for irrigation. The sediments in the septic tank and the bottom of the sewage purification tank need to be regularly cleaned (usually once every 6-12 months) according to the actual operation.

[0038] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A non-powered rural sewage treatment device, characterised in that, The utility model relates to a sewage treatment device, which comprises: a septic tank, a sewage purification tank and a reuse tank; an input end of the sewage purification tank is communicated with the septic tank, and an output end is communicated with the reuse tank; the sewage purification tank is composed of a first oxygen tank, a second oxygen tank and a backwater tank; the first oxygen tank and the second oxygen tank are of the same structure, an input end of the first oxygen tank is communicated with the septic tank, an output end is communicated with an input end of the second oxygen tank, an output end of the second oxygen tank is communicated with an input end of the backwater tank, and an output end of the backwater tank is communicated with the reuse tank.

2. The unpowered rural sewage treatment device according to claim 1, wherein, plastic grates are arranged in the first oxygen tank and the second oxygen tank; the plastic grate in the first oxygen tank is filled with spherical biological filler; the plastic grate in the second oxygen tank is filled with one of spherical biological filler, MBBR filler, biochemical ball and rock fiber filler.

3. The unpowered rural sewage treatment device according to claim 1, wherein, water inlets and outlets are formed in upper parts of the first oxygen tank and the second oxygen tank, and water delivery pipes are arranged in the first oxygen tank and the second oxygen tank; the water delivery pipe in the first oxygen tank is arranged in the tank and has an input end connected with the septic tank and the water inlet of the first oxygen tank; the water delivery pipe in the second oxygen tank is arranged in the tank and has an input end connected with the water outlet of the first oxygen tank and the water inlet of the second oxygen tank.

4. The unpowered rural sewage treatment device according to claim 3, wherein, the backwater tank is provided with a water inlet in a lower part and a water outlet in an upper part; the water inlet of the backwater tank is connected with the water outlet of the second oxygen tank through a connecting pipe, and the water outlet of the backwater tank is connected with the reuse tank through a connecting pipe.

5. The unpowered rural sewage treatment device according to claim 3, wherein, both sides of the first oxygen tank and the second oxygen tank are provided with hoisting hole positions, the bottom is provided with anti-floating mounting holes and a sewage discharge platform, and the sewage discharge platform is connected with a DN40 sewage discharge pipe.

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