CN205687762U - A kind of sewage disposal device - Google Patents

Abstract

The utility model discloses a kind of sewage disposal device, including the grid being sequentially connected with, preliminary sedimentation tank；It is characterized in that: also include the first reaction tank that one or three pond response systems, three described pond response systems include being sequentially connected with, the second reaction tank, the 3rd reaction tank；Described preliminary sedimentation tank connects bottom the first reaction tank by the first pipeline, the first valve, and described preliminary sedimentation tank is connected bottom the 3rd reaction tank by second pipe, the second valve；It is provided with aerator in described the first reaction tank, the second reaction tank, the 3rd reaction tank；The first described reaction tank and the 3rd reaction tank side are provided with downflow weir, are filled with filler in the second described reaction tank.Sewage disposal device described in the utility model, has the beneficial effect that compact conformation, saves civil engineering costs, reduces land used；Great amount of investment and day-to-day operation expense can be saved.

Description

A kind of sewage disposal device

Technical field

This utility model relates to sewage treatment area, particularly to a kind of sewage disposal device.

Background technology

Water is origin of life, and water is the basis that on the earth, all life are depended on for existence.Along with industrial expansion, population Increase, the aggravation of urbanization and chemical fertilizer, the increase of Pesticide use amount, the water as Source of life has had been subjected to serious dirt Dye.Water pollutes the use function reducing water body, exacerbates shortage of water resources；Water seriously polluted destruction ecological environment, affect people Class is survived.Want to realize the sustainable development of human society, first have to solve water pollution problems.

Along with world energy sources worsening shortages and contaminated wastewater load increases the weight of and Pollutants in Wastewater kind increasingly sophisticated Changing, efficient environmental improvement new technique and new equipment are developed in the environmental problem an urgent demand being on the rise.

China's freshwater resources are the shortest, per capita owning amount 2300m³, be equivalent to the 1/4 of world's per capita share, occupy the world 110.Within 1997, rising, National urban quantity of wastewater effluent accounts for the ratio of wastewater emission amount close to 45 %, changes China's water Pollution control work situation based on industrial wastewater treatment always, the comprehensive control starting to strengthen municipal sewage works.1999 Year, China's municipal sewage pollutional load exceeded industrial wastewater pollution load first, and China's water pollution control emphasis is from industry Point-source pollution is main control, is progressively changed into based on the control of municipal sewage pollution.The water pollution situation of China is tight at present High, the particularly discharge of municipal sewage seems more prominent to the impact of surface water and quality of groundwater.According to relevant statistics, The sanitary sewage of nearly 80 % in the whole nation is unprocessed, is directly discharged into rivers,lakes and seas, year blowdown flow rate reach 40,000,000,000 m3, cause the whole nation The waters of more than 1/3 is contaminated.Water pollutes the shortage exacerbating water resource, directly threatens safety and the people of drinking water The health of the masses, has influence on industrial and agricultural production and economic loss that Crop securify causes is about 1.5 %～3 %, the water of GNP Pollute the disaster having become even more serious no less than big flood, drought.

The maximum harm in future city is exactly sewage.Causing the with serious pollution one of the main reasons of China's water is due to the whole nation Treatment rate of domestic sewage is relatively low, makes substantial amounts of municipal sewage unprocessed and direct outer row, result in serious water and pollutes, and adds The acute shortage of water resource.Plus along with urbanization and the quickening of process of industrialization, municipal sewage generation amount constantly increases so that Water environment pollution is the most serious.Municipal sewage treatment the most delayed, has become as and affects China's regional water pollution prevention target The key factor realized, and seriously constrain the sustainable development of urban society's economy.Country is in view of municipal sewage Process problem has promulgated a series of policy and technical stipulation, works out " timetable " that city pollution treatment is up to standard, and Accelerating The Construction city is dirty Water facility for the central disposal is very urgent.

Summary of the invention

For the problems referred to above, the purpose of this utility model is to provide compact conformation, save civil engineering costs, a large amount of throwing of saving Money and the sewage disposal device of day-to-day operation expense.

For reaching above-mentioned purpose, the technical scheme that this utility model is proposed is: a kind of sewage disposal device, including successively The grid of connection, preliminary sedimentation tank；It is characterized in that: also include that one or three pond response systems, three described pond response systems include successively First reaction tank of connection, the second reaction tank, the 3rd reaction tank；Described preliminary sedimentation tank is connected by the first pipeline, the first valve Bottom first reaction tank, described preliminary sedimentation tank is connected bottom the 3rd reaction tank by second pipe, the second valve；Described first It is provided with aerator in reaction tank, the second reaction tank, the 3rd reaction tank；The first described reaction tank and the 3rd reaction tank side set It is equipped with downflow weir, in the second described reaction tank, is filled with filler.

Preferably, described aerator is aeration tube or blast aeration dish.

Preferably, described the first reaction tank, the bottom of the 3rd reaction tank arrange mud discharging mouth.

Use technique scheme, sewage disposal device described in the utility model, have the beneficial effect that

1) compact conformation, the waterpower between three ponds communicates, and midfeather plays compartmentation, therefore can save civil engineering Expense, reduces land used；

2) compared with routine biochemistry method, the first reaction tank and the 3rd reaction tank not only can be as sludge-tanks but also can be as exposure Gas pond, uses alternate run, can not build single sedimentation tank, save sludge reflux facility, particularly carry out biological denitrificaion and remove During phosphorus, great amount of investment and day-to-day operation expense can be saved；

3) irrigation channel distribution is used between each pond, and alternate run under constant water level, decrease pipeline valve, water pump etc. and set Standby quantity, the loss of flood peak is little, reduces cost.

Accompanying drawing explanation

Fig. 1 is sewage disposal device structural representation described in the utility model.

Detailed description of the invention

Below in conjunction with the accompanying drawings and detailed description of the invention, this utility model is described further.

As it is shown in figure 1, sewage disposal device described in the utility model, including the grid 1 being sequentially connected with, preliminary sedimentation tank 2； Also include that the first reaction tank 31, second that one or three pond response systems 3, three described pond response systems 3 include being sequentially connected with reacts Pond the 32, the 3rd reaction tank 33；Described preliminary sedimentation tank 2 connects bottom the first reaction tank 31 by first pipeline the 4, first valve 5, logical Cross second pipe the 6, second valve 7 to connect bottom the 3rd reaction tank 33；Described first reaction tank the 31, second reaction tank 32, It is provided with aerator 8, such as aeration tube or blast aeration dish in three reaction tanks 33；The first described reaction tank 31 and the 3rd reaction tank 33 sides are provided with downflow weir 9, are filled with filler 10 in the second described reaction tank 32；In addition the first reaction tank the 31, the 3rd is anti- The bottom answering pond 33 arranges mud discharging mouth.

Time specifically used, pending sewage enters processing equipment, and first grid removes impurity removing, then removes bigger through preliminary sedimentation tank Particulate matter.Its sewage disposal in two stages, wherein:

In the stage one: keep the first valve opening, the second valve closing, water after treatment flows out from preliminary sedimentation tank top, from First reaction tank goes out bottom and enters, now the first reaction tank and the second reaction tank aeration, and the 3rd reaction tank aerator cuts out.Warp After first reaction tank aerated reaction, flow into the second further aeration of reaction tank and play under the effect of filler deeper into denitrogenation Dephosphorization function, then flow into the 3rd reaction tank, now the 3rd reaction tank is as sedimentation tank, sludge settling get off rear section discharge, Water after process flows out from the downflow weir of the 3rd reaction tank；

In the stage two: after processing a period of time in the way of the stage one, close the first valve, open the second valve, preliminary sedimentation tank Water outlet is introduced into the 3rd reaction tank, keeps the 3rd reaction tank and the second reaction tank aeration, the first reaction tank aerator to close, warp 3rd reaction tank, the second reaction tank, the first reaction tank react successively, then discharge, if the sewage of discharge is up to standard, discharge, if not Then process rear discharge up to standard further up to standard.

Although specifically show and describe this utility model in conjunction with preferred embodiment, but those skilled in the art should This is understood, in the spirit and scope of the present utility model limited without departing from appended claims, in form and details On this utility model is made a variety of changes, be protection domain of the present utility model.

Claims (3)

1. a sewage disposal device, including the grid being sequentially connected with, preliminary sedimentation tank；It is characterized in that: also include one or three pond reactions System, the first reaction tank that three described pond response systems include being sequentially connected with, the second reaction tank, the 3rd reaction tank；Described Preliminary sedimentation tank connects bottom the first reaction tank by the first pipeline, the first valve, and described preliminary sedimentation tank passes through second pipe, the second valve Door connects bottom the 3rd reaction tank；It is provided with aerator in described the first reaction tank, the second reaction tank, the 3rd reaction tank；Institute The first reaction tank stated and the 3rd reaction tank side are provided with downflow weir, are filled with filler in the second described reaction tank.

Sewage disposal device the most according to claim 1, it is characterised in that: described aerator is aeration tube or air blast Aeration plate.

Sewage disposal device the most according to claim 1, it is characterised in that: described the first reaction tank, the 3rd reaction tank Bottom mud discharging mouth is set.