CN205472890U

CN205472890U - Biological fluidized bed that industrial wastewater treatment used

Info

Publication number: CN205472890U
Application number: CN201620022353.6U
Authority: CN
Inventors: 詹炳辉
Original assignee: Shenzhen Keen Environmental Protection Co Ltd
Current assignee: Shenzhen Keen Environmental Protection Co Ltd
Priority date: 2016-01-09
Filing date: 2016-01-09
Publication date: 2016-08-17
Anticipated expiration: 2026-01-09

Abstract

The utility model discloses a biological fluidized bed that industrial wastewater treatment used, overflow tank has been add on the border outer wall on the upper shed edge of inner loop biological fluidized bed the first half, the offal mouth of pipe has been set up to this overflow tank's tank bottom, be connected with the drainage groove on this offal mouth of pipe, the other end in this drainage groove extend to add in addition on the border outer wall of the first half of above -mentioned inner loop biological fluidized bed oxygenate the system pond certainly, the catalytic oxidation bed has still been add on the border outer wall of the latter half of above -mentioned inner loop biological fluidized bed, seal through the liquid seal device at its top, and it is above -mentioned from oxygenating system pond and catalytic oxidation bed between the two through the butt joint of sealed drainage groove, the first half of above -mentioned catalytic oxidation bed still is connected with exhaust purification processing apparatus through the trachea. It has solved the technical problem who promotes three -phase biological fluidized bed integration degree, except that have good oxygenate the characteristic certainly, all have fluidized bed treatment effeciency height and catalytic oxidation filter bed to go out the good advantage of water.

Description

A kind of biological fluidized bed of Industrial Waste Water Treatments

Technical field

This utility model relates to integrated sewage treating apparatus, the biological fluidized bed of a kind of Industrial Waste Water Treatments.

Background technology

20 century 70s, based on biomembrance process, have drawn the fluidization technology in chemical industry operation, define a kind of efficient waste water treatment process, three-phase biologic fluidized-bed.

Three-phase biologic fluidized-bed feature: 1, due to biological fluidized bed be use small particle size solid granule as carrier, and carrier in bed in fluidized state, therefore per unit volume surface area ratio other biological embrane method is much larger, this just makes the Biomass of its unit bed body the highest, fast plus mass transfer velocity, waste water one enters bed, and is mixed soon and dilution, therefore the capacity of resisting impact load of biological fluidized bed is relatively strong, and volumetric loading the most relatively other biological facture is high；2, due to biologic grain the most mutually collision and friction in bed body, its biofilm thickness is relatively thin, for similar waste water under the conditions of same treatment, its biomembranous breathing rate is about the twice of activated sludge, its response speed visible is fast, the activity of microorganism is relatively strong, and this is also one of reason that biological fluidized bed load is higher；3, being in strenuous exercise's state in forms due to carrier granular, gas-solid-liquid interface is constantly updated, and therefore mass transfer effect is good, this absorption being conducive to microbe and degraded, accelerates biochemical reaction rate.

Existing three-phase biologic fluidized-bed, it can be divided into the aerobic biological fluid-bed and big class of Anaerobe fluid bed two by factors such as Biofilm characteristics；By being divided into outer circulation biological fluidized bed and the big class of inner loop fluidized bed reactor two for its loop structure.Anaerobe fluid bed can be considered the special three phase fluidized bed that gas inlet velocity is zero.Wherein, above-mentioned easy-to-keep biological fluid bed is applicable to the treatment of Organic Wastewater of various bio-degradable, is mainly used in the Organic Compounds of a good appetite suddenly appearing in a serious disease, low concentration, and aerobic nitrification removes NH₃All kinds of sanitary sewages and industrial wastewater are all had good treatment effect by-N.But existing aerobic three-phase biologic fluidized-bed integrated degree is low, there is the problems such as water outlet efficiency is low simultaneously.Therefore, it is necessary to the existing aerobic further technological improvement of three-phase biologic fluidized-bed work.

Utility model content

The purpose of this utility model is in order to solve the deficiency of above-mentioned technology and to provide the biological fluidized bed of a kind of Industrial Waste Water Treatments.

nullIn order to achieve the above object，The biological fluidized bed of a kind of Industrial Waste Water Treatments designed by this utility model，Including inner loop fluidized bed reactor，The bottom of this inner loop fluidized bed reactor is provided with raw water tubes mouth and the aeration mouth of pipe，The top half of described inner loop fluidized bed reactor is sequentially provided with filtering safe net and filler from lower to upper，And have additional overflow groove on all ring outer walls on the upper shed edge of this top half，The bottom land of this overflow groove has additional sewer pipe mouth，Connect on this sewer pipe mouth and have drainage trough，The other end of this drainage trough extends to the automatic oxygenation system pond additionally set up on all ring outer walls of the top half of above-mentioned inner loop fluidized bed reactor，All ring outer walls of the latter half of above-mentioned inner loop fluidized bed reactor also have additional catalytic oxidation bed，The bottom of this catalytic oxidation bed is provided with aerator and outlet，Its top is sealed by liquid seal device，And above-mentioned automatic oxygenation system pond is docked by sealing drainage trough between the two with catalytic oxidation bed，The top half of above-mentioned catalytic oxidation bed connects also by trachea exhaust gas purification and treatment device.

Automatic oxygenation system pond in above-mentioned is using air as oxygen source, and compare aerator, and its energy consumption is relatively low.

The biological fluidized bed of a kind of Industrial Waste Water Treatments provided in above-mentioned, in its structure, the water outlet of inner loop fluidized bed reactor top is by from rushing after oxygen system rushes oxygen, entering immersion catalytic oxidation bed, further water outlet after reaction.Above-mentioned whole three are consistent the integrated equipment of biological fluidized bed, and integrated degree is high, it is little to take up an area；Simultaneously this biological fluidized bed except have good from oxygen transfer in addition to, all have the feature that fluidized bed processing efficiency is high and catalytic oxidation filter bed water outlet is good.

Preferred as further technology, the inner circulation structure of above-mentioned inner loop fluidized bed reactor is as follows: be provided with the flow-stopping plate of at least two pieces in the latter half of above-mentioned inner loop fluidized bed reactor, and above-mentioned raw water tubes mouth is directed at both centre positions of above-mentioned flow-stopping plate.In above-mentioned further technology preferred version, the inner circulation structure of fluid bed is simple, efficiently, it is possible to effectively extending former water and flow through distance in above-mentioned ICFB, in promoting ICFB, float filler is to former water purification treatment effect.

Preferred as further technology, described flow-stopping plate is waveform.

The biological fluidized bed of a kind of Industrial Waste Water Treatments provided by the utility model, except have good from oxygen transfer in addition to, all there is the advantage that fluidized bed processing efficiency is high and catalytic oxidation filter bed water outlet is good, and its gas-water ratio is low, energy consumption is less, strong adaptability, has good application prospect.

Accompanying drawing explanation

Fig. 1 is the structural representation that the present embodiment 1 is provided the biological fluidized bed of kind of Industrial Waste Water Treatments.

Fig. 2 is the structural representation that the present embodiment 2 is provided the biological fluidized bed of kind of Industrial Waste Water Treatments.

Wherein: inner loop fluidized bed reactor 1, raw water tubes mouth 2, the aeration mouth of pipe 3, filtering safe net 4, filler 5, overflow groove 6, automatic oxygenation system pond 7, catalytic oxidation bed 8, aerator 9, outlet 10, liquid seal device 11, exhaust gas purification and treatment device 12, flow-stopping plate 13, trachea 14.

Detailed description of the invention

The utility model will be further described to combine accompanying drawing below by embodiment.

Embodiment 1:

nullAs shown in Figure 1，The biological fluidized bed of a kind of Industrial Waste Water Treatments that the present embodiment is provided，Including inner loop fluidized bed reactor 1，The bottom of this inner loop fluidized bed reactor 1 is provided with raw water tubes mouth 2 and the aeration mouth of pipe 3，The top half of described inner loop fluidized bed reactor 1 is sequentially provided with filtering safe net 4 and filler 5 from lower to upper，And have additional overflow groove 6 on all ring outer walls on the upper shed edge of this top half，The bottom land of this overflow groove 6 has additional sewer pipe mouth，Connect on this sewer pipe mouth and have drainage trough，The other end of this drainage trough extends to the automatic oxygenation system pond 7 additionally set up on all ring outer walls of the top half of above-mentioned inner loop fluidized bed reactor 1，All ring outer walls of the latter half of above-mentioned inner loop fluidized bed reactor 1 also have additional catalytic oxidation bed 8，The bottom of this catalytic oxidation bed 8 is provided with aerator 9 and outlet 10，Its top is sealed by liquid seal device 11，And above-mentioned automatic oxygenation system pond 7 is docked by sealing drainage trough between the two with catalytic oxidation bed 8，The top half of above-mentioned catalytic oxidation bed 8 connects also by trachea 14 exhaust gas purification and treatment device 12.

The biological fluidized bed of a kind of Industrial Waste Water Treatments provided in above-mentioned, in its structure, inner loop fluidized bed reactor 1 top water outlet is by from rushing after oxygen system rushes oxygen, entering immersion catalytic oxidation bed 8, further water outlet after reaction.Above-mentioned whole three are consistent the integrated equipment of biological fluidized bed, and integrated degree is high, it is little to take up an area；Simultaneously this biological fluidized bed except have good from oxygen transfer in addition to, all have the feature that fluidized bed processing efficiency is high and catalytic oxidation filter bed water outlet is good.

The inner circulation structure of inner loop fluidized bed reactor 1 described in the present embodiment is as follows: be provided with the flow-stopping plate 13 of at least two pieces in the latter half of above-mentioned inner loop fluidized bed reactor 1, and above-mentioned raw water tubes mouth 2 is directed at both centre positions of above-mentioned flow-stopping plate 13.In above-mentioned further technology preferred version, the inner circulation structure of fluid bed is simple, efficiently, it is possible to effectively extending former water and flow through distance in above-mentioned ICFB, in promoting ICFB, float filler 5 is to former water purification treatment effect.

Embodiment 2:

As shown in Figure 2, the biological fluidized bed of a kind of Industrial Waste Water Treatments that the present embodiment is provided, described flow-stopping plate 13 is waveform, corrugated flow-stopping plate 13 not only has dash effect, and there is guide functions, the more qualified track of original sub-block is made to run, it is possible to more effectively to extend former water and flow through distance in above-mentioned ICFB, improve treatment effect.

Specific embodiment described herein is only explanation for example to design of the present utility model.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims

null1. the biological fluidized bed of an Industrial Waste Water Treatments，Including inner loop fluidized bed reactor (1)，The bottom of this inner loop fluidized bed reactor (1) is provided with raw water tubes mouth (2) and the aeration mouth of pipe (3)，It is characterized in that the top half of described inner loop fluidized bed reactor (1) is sequentially provided with filtering safe net (4) and filler (5) from lower to upper，And have additional overflow groove (6) on all ring outer walls on the upper shed edge of this top half，The bottom land of this overflow groove (6) has additional sewer pipe mouth，Connect on this sewer pipe mouth and have drainage trough，The other end of this drainage trough extends to the automatic oxygenation system pond (7) additionally set up on all ring outer walls of the top half of above-mentioned inner loop fluidized bed reactor (1)，All ring outer walls of the latter half of above-mentioned inner loop fluidized bed reactor (1) also have additional catalytic oxidation bed (8)，The bottom of this catalytic oxidation bed (8) is provided with aerator (9) and outlet (10)，Its top is sealed by liquid seal device (11)，And above-mentioned automatic oxygenation system pond (7) is docked by sealing drainage trough between the two with catalytic oxidation bed (8)，The top half of above-mentioned catalytic oxidation bed (8) connects also by trachea (14) exhaust gas purification and treatment device (12).
The biological fluidized bed of a kind of Industrial Waste Water Treatments the most according to claim 1, it is characterized in that the inner circulation structure of described inner loop fluidized bed reactor (1) is as follows: be provided with the flow-stopping plate (13) of at least two pieces in the latter half of above-mentioned inner loop fluidized bed reactor (1), above-mentioned raw water tubes mouth (2) is directed at both centre positions of above-mentioned flow-stopping plate (13).
The biological fluidized bed of a kind of Industrial Waste Water Treatments the most according to claim 2, is characterized in that described flow-stopping plate (13) is waveform.