CN205528300U

CN205528300U - Integral type sewage treatment device

Info

Publication number: CN205528300U
Application number: CN201620291644.5U
Authority: CN
Inventors: 乙悦
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-08
Filing date: 2016-04-08
Publication date: 2016-08-31
Anticipated expiration: 2026-04-08

Abstract

The utility model discloses an integral type sewage treatment device, including the preliminary treatment reactor, good oxygen fluidized bed reactor and membrane bioreactor, most the contain sulphur material of preliminary treatment reactor in with sewage is got rid of, good oxygen vulcanization bed reactor is through aeration first and jar internal the carrier of microorganism of setting in jar body bottom, frequently contact with the biomembrane when making sewage pass through support surface, tiny closely knit granule carrier is at the internal friction and collision of each other of jar simultaneously, make the biomembrane activity obtain improving, and it is inside to the mass transfer process in the microbial cell from sewage to have strengthened organic pollutant. Because getting rid of including sulphur material and partial pollutant in the sewage after oxygen fluidized bed reactor is become reconciled to the preliminary treatment reactor, the microorganism that consequently gets into in the membrane bioreactor reduces to reduce the jam of little biological particle to the membrane.

Description

Integral type sewage processing means

Technical field

This utility model relates to the dirty water decontamination handles technical field, is specifically related to a kind of integral type sewage processing means.

Background technology

Water is human survival, lives, produces and maintain the indispensable basic resources of good ecological environment, but, along with people Development, the development of industrialization industrial economy and the increase of population of class society, human society is faced with increasingly severe water Crisis, concrete shows as shortage of water resources and water environment pollution.

Currently for the improvement aspect of water environment pollution, main employing membrane bioreactor processes, and passes through membrane biological reaction Device has the effect of well damming to microorganism, can the longer microorganism of retention periods, in bioreactor, retain high activity mud Concentration, thus improve biological treatment organic loading, thus realize the deep purifying to sewage.

But, the film in above-mentioned membrane bioreactor easily blocks owing to damming microorganism, and Membrane cleaning is needed realizing self disassembling And be carried out under suitable temperature conditions, affect sewage treating efficiency, therefore, reduce the blocking on film surface in sewage disposal Problem becomes one of problem of researchers' concern.

Utility model content

The problem that blocking easily occurs for the film in mentioned microorganism reactor, the utility model proposes at a kind of integral type sewage Reason device, this device is combined with both chemical treatment methods by biologic treating technique, first sewage is carried out pretreatment, thus Reduce the microbial biomass in sewage, thus reduce the film blocking in microorganism reactor.

Its technical solution includes:

Integral type sewage processing means, including preatreating reactors, aerobic fluidized bed reactor and membrane bioreactor, described pre- Treatment reactor includes reactor body, and described reactor body sidewall is provided with water inlet one, discharge outlet one, return duct one With return duct two, in reactor body, it is contained with ammonia；

Described aerobic fluidized bed reactor includes tank body and microbe carrier, and it is first that the bottom of described tank body is provided with aeration, described Aeration is first, and for providing oxygen in tank body, described microbe carrier is distributed in described tank body, and the sidewall of described tank body is respectively Being provided with water inlet two and discharge outlet two, described water inlet two-way piping one is connected with described discharge outlet one；

Described membrane bioreactor is divided into settling zone, reaction zone and top region, adjacent Liang Ge district to be separated by sieve plate from bottom to top, Described settling zone includes the sedimentation tank of funnel type, is positioned at the aeration head two bottom sedimentation tank and sludge outlet, described aeration head two Connect and have air compressor, vertical tubular membrane component one and the tubular membrane component two of being laid with, described tubular membrane group in described reaction zone The two ends of part one and tubular membrane component two are separately fixed on described sieve plate, and described tubular membrane component one and tubular membrane component two are by institute Stating reaction zone and be divided into Liang Gejiangliu district and a up-flow district, wherein, up-flow district is positioned at centre, described aeration head two and described liter Stream district, just to setting, described tubular membrane component one and tubular membrane component two is respectively arranged with the air interface being in communication with the outside, institute Stating top region and be provided with water inlet three and discharge outlet three, described water inlet threeway piping two is connected with described discharge outlet two, described The discharge outlet three sewage qualified discharge after processing.

As a preferred version of the present utility model, described reactor body is furnished with rabbling mechanism, and described rabbling mechanism includes electricity Machine, shaft and stirring paddle, described stirring paddle stretches into below described ammonia liquid level.

As another preferred version of the present utility model, described pipeline one, pipeline two are provided with pump.

Preferably, the microbe carrier in described aerobic fluidized bed reactor is activated carbon, microlith or sand.

Preferably, it is also associated with gas flowmeter between described aeration head two and air compressor.

The Advantageous Effects that this utility model is brought:

This utility model sewage-treatment plant, first carries out desulfurization by sewage by preatreating reactors, the ammonia in this reactor Can react the sulphur-containing substance in sewage, reaction generates ammonium sulphate and sulphuric acid imido, can make two under the effect of agitator Person's homogeneous reaction, arranges return duct in the both sides of reactor body, and ammonia refluxes under stirring, it is possible to increase with connecing of sewage Contacting surface is amassed, and is removed by sulphur-containing substance；Secondly the sewage after desulfurization enters in aerobic fluidized bed reactor, the activated carbon etc. in tank body Little granular filler, under the effect that aeration is first, is suspended in tank interior, frequently contacts with biomembrane when sewage is by carrier surface, The most tiny closely knit particulate vector mutual frictional impact in tank body so that biomembrane activity is improved, and has strengthened Organic pollutants to the mass transport process in microbial cell, so that wastewater treatment efficiency is greatly improved, is also just said inside sewage, Sewage after being processed by pretreatment and aerobic fluidized-bed reaction, sulphur-containing substance therein and partial contamination thing have been removed, by two Sewage after person processes is passed through in membrane bioreactor, owing to the up-flow district in membrane bioreactor is the most right with the position of aeration head two, When aeration head two is by air compressor supply air, air sprays from the nozzle of aeration head, and bubble can be walked bottom-up, Carry sewage secretly to move the most bottom-up simultaneously, be attached with microorganism carrier, by means of current also from the bottom up of tubular membrane Motion, enters up-flow district, and then completes aerobic biochemical reaction in up-flow district, be moved into Jiang Liu district along with liquid, at fall stream District does not has aeration head, is therefore constantly consumed at Jiang Liu district dissolved oxygen from top to bottom, finally enters the conversion zone of a double oxygen.

By above-mentioned aerobic and double oxygen two kinds reaction and deposit, nitrification and denitrification course synchronization can be made to exist, thus reach dirt The more preferable treatment effect of water.

Owing to the sulphur-containing substance in the sewage after preatreating reactors and aerobic fluidized-bed reactor and partial contamination thing go Remove, reduce hence into the microorganism in membrane bioreactor, thus reduce the microbe granular blocking to film.

This utility model device sequentially passes through pretreatment, the reaction of aerobic vulcanization bed and Membrane Bioreactor for Wastewater Treatment, can realize sewage Qualified discharge, this device is easy for installation, easy to control, can improve sewage treating efficiency.

Accompanying drawing explanation

Below in conjunction with the accompanying drawings this utility model is described further:

Fig. 1 is the structural representation of this utility model membrane bioreactor part；

Fig. 2 is the structural representation of this utility model sewage-treatment plant；

In figure, 1, reactor body, 11, return duct, 12, rabbling mechanism, 2, aerobic fluidized bed reactor, 21, micro-life Thing carrier, 22, aeration first, 3, membrane bioreactor, 31, Jiang Liu district, 32, up-flow district, 33, Jiang Liu district, 34, expose Gas head two, 35, settling zone, 36, gas flowmeter, 37, air compressor.

Detailed description of the invention

The utility model discloses a kind of integral type sewage processing means, be further described in detail below in conjunction with specific embodiment.

As in figure 2 it is shown, integral type sewage processing means, including preatreating reactors, aerobic fluidized bed reactor and membrane bioreaction Answering device, the sulfur removing that first preatreating reactors will contain in sewage, major technique thought is by putting in preatreating reactors Entering ammonia, then react with sulfur under the effect by stirring, be converted into ammonium sulphate and sulphuric acid imido, concrete pretreatment is anti- Reactor body 1 should be included, reactor body 1 sidewall is provided with water inlet one, discharge outlet one and return duct 11, return duct It is provided with two, during respectively return duct one and return duct two, preferably return duct one reactor body relative with return duct two is vertical Heart line specular, so, can promote the liquid reflux cycle in reactor uniform, hold ammonia, ammonia in reactor body Water liquid level is advisable with 2/3rds of reactor body capacity, and treatment sewage enters from water inlet one, in order to control sewage Flow, it is possible to valve is set on the pipeline that water inlet one connects, in rabbling mechanism 12 complex reaction device body removing sewage Sulfur, opens under the effect of stirring, the sulfur-bearing thing in sewage can be made to be fully contacted with ammonia, and reaction is more complete, through pretreatment Sewage after reactor for treatment is discharged from discharge outlet one, processes in being passed through the aerobic fluidized bed reactor 2 being connected with it；

Aerobic fluidized bed reactor 2 includes tank body and microbe carrier 21, and microbe carrier can use the work addressed in prior art Property the fine particle such as charcoal, microlith or sand, the specific surface area of these fine particles is big, the bottom of tank body is provided with aeration first 22, aeration is first to be in communication with the outside or provides oxygen in tank body by connecting compressor, and microbe carrier is at the work of aeration head Under with, being suspended in tank body, the sidewall at tank body is respectively arranged with water inlet two and discharge outlet two, water inlet two and discharge outlet one Connected by pipeline one, it is possible to pump is set on pipeline one by sewage suction tank body, after aerobic fluidized bed reactor for treatment Sewage discharge from discharge outlet two, enter in membrane bioreactor 3.

As it is shown in figure 1, membrane bioreactor is divided into settling zone 35, reaction zone and top region from bottom to top, adjacent Liang Ge district leads to Crossing sieve plate to separate, water inlet three and discharge outlet three are arranged at top region, and water inlet three is connected with discharge outlet two-way piping, heavy Shallow lake district includes the sedimentation tank of funnel type, is positioned at the aeration head 2 34 bottom sedimentation tank and sludge outlet, and aeration head 2 34 connects There are gas flowmeter 36 and air compressor 37, by air compressor 37 to reactor under the monitoring of gas flowmeter 36 Interior offer source of the gas, the nozzle on aeration head 2 34 starts bubbling, vertical in reaction zone is laid with tubular membrane component one and tubular membrane Assembly two, tubular membrane component herein is that prior art owns, and the most no longer elaborates, and its effect is to intercept part Microbe granular, the two ends of tubular membrane component one and tubular membrane component two are fixed on sieve plate, the such as clamping of concrete fixed form, Reaction zone is divided into Liang Gejiangliu district 33 and a up-flow district 32, wherein, up-flow by tubular membrane component one and tubular membrane component two District 32 is positioned at centre, and aeration head 2 34 and up-flow district, just to setting, are so arranged, the gas that aeration head 2 34 is bloated by nozzle Bubble is just to up-flow district, and bubble, during rising, can drive and move on sewage, in order to keep tubular membrane component and outside pressure Unanimously, being respectively arranged with the air interface being in communication with the outside on tubular membrane component one and tubular membrane component two, discharge outlet three is used for Sewage qualified discharge after processing.

This utility model selects tubular membrane component in membrane bioreactor, and microorganism is adhered on the carrier particles, when molten in pipe When solution oxygen is higher, microorganism is reacted substantially under conditions of dissolved oxygen abundance, and nitrification and denitrification process can be made to exist, more simultaneously Good process sewage.

The using method of this utility model device:

First, to the ammonia of its internal addition 2/3rds bulk volume of reactor, treatment sewage is through being pumped into reactor In body, the liquid level observing sewage suitably adjusts the inlet of sewage, opens rabbling mechanism, ammonia and sewage and mixes from instead The return duct answering device body both sides starts the cycle over, and along with the carrying out of reaction, product sinks to bottom；

Secondly, the sewage after processing is discharged from discharge outlet one, is pumped into aerobic fluidized bed reactor, microbe carrier and sewage In Organic substance contact, Organic substance by the microbial decomposition in biomembrane, utilizes, and so makes the Organic substance in sewage can be continuous It is adsorbed in biomembrane；

Finally, by carrying out last process in membrane bioreactor, it is possible to prevent the blocking of membrane bioreactor inner membrance, only There is a small amount of microbe granular to accumulate on film, thus reach the purpose of Continuous Wastewater Treatment.

Claims

1. an integral type sewage processing means, including preatreating reactors, aerobic fluidized bed reactor and membrane bioreactor, it is special Levy and be:

Described preatreating reactors includes reactor body, described reactor body sidewall is provided with water inlet one, discharge outlet one, Return duct one and return duct two, be contained with ammonia in reactor body；

Integral type sewage processing means the most according to claim 1, it is characterised in that: described reactor body is furnished with rabbling mechanism, Described rabbling mechanism includes that motor, shaft and stirring paddle, described stirring paddle stretch into below described ammonia liquid level.

Integral type sewage processing means the most according to claim 1, it is characterised in that: it is respectively provided with on described pipeline one, pipeline two There is pump.

Integral type sewage processing means the most according to claim 1, it is characterised in that: micro-in described aerobic fluidized bed reactor Bio-carrier is activated carbon, microlith or sand.

Integral type sewage processing means the most according to claim 1, it is characterised in that: described aeration head two and air compressor it Between be also associated with gas flowmeter.