CN2895402Y

CN2895402Y - Acid-alkali ecological process contact digestive tank

Info

Publication number: CN2895402Y
Application number: CNU2006200315394U
Authority: CN
Inventors: 赵峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-11
Filing date: 2006-04-11
Publication date: 2007-05-02
Anticipated expiration: 2016-04-11
Also published as: WO2007115464A1

Abstract

The utility model provides a contact assimilation pool in the acid and alkali ecological process for polluted water processing in the field of polluted water dealing techniques, which is characterized in that one end of the filer pool is an inlet pipe and the other end is an outlet pipe, the filter pool is cut into different sections by a flowing division wall, a flooding division wall and a flowing division wall in series, and leads the water. The central part of the flooding division is the flooding channel to lead the water flow. Beside the two sides of the flowing division wall is a biological filling, which fully contacts with the polluted water. A check mouth for eliminating and drawing out is provided at the top of the filter pool. The utility model is designed from the point of improving the anaerobic treatment effect of polluted water so as to reduce the time of stay, improve the water quality and save construction materials.

Description

The process contact digester of soda acid ecology

Technical field

The utility model belongs to the waste disposal plant technical field, is specifically related to a kind of anaerobic digestion sewage treatment process that has the contact degraded of the soda acid independence ecosystem in sewage treatment process.

Technical background

The utility model is applicable to the high sewage of organic content carried out Anaerobic Digestion, particularly to the degradation treatment of sanitary sewage.The environmental aspect of bacterial classification and working conditions are the principal elements that influences the anaerobic digestion ability in anaerobic digestion.According to the mechanism of the anaerobic digestion of sewage, anaerobic digestion belongs to the sewage disposal of biochemical reaction, is participated in finishing by biological inoculum in the process of biochemical reaction.The working process of anaerobic digestion is divided into acidic phase and alkali stage, surviving respectively acid-producing bacteria and methane flora, and they adapt to existence respectively in the environment of acid, alkali.Environment is the principal element that influences bacterial classification, and when coexisting as same environment, their existence and work capacity have been subjected to inhibition, even the part bacterial classification has been lost life condition.Control to acid or alkali environment in the existing technology is not enough, so influenced the digestion process ability of biological inoculum.Anaerobic digestion is equivalent to a kind of fermentation digestive process, what adopt in the pretreatment technology of traditional sanitary sewage is easy natural anaerobic digestion process, the problem that exists mainly is on the one hand because sewage is in continuous envrionment conditions digestion process ability weakening, the water pollution degree of sewage effluent is still very high, there is pollution problem, need further handles; On the other hand, because the sewage treatment capacity in conventional process pond is poor, sewage need keep long dwell time of sewage, causes pond body volume big; Simultaneously because the palliating degradation degree in conventional process pond is low, the mud growing amount is big, taken the useful volume of pond body, the processing water yield is few, so cause the volume of pond body to increase on the one hand, cause the waste of building materials and resource, the big needs of sludge quantity are regularly drawn clearly on the other hand, the cycle of drawing clearly is short, has caused the waste of manpower and financial resources.In order to overcome above technical deficiency, though some biological filter treatment technologies also occurred, these technology or just to the local digestive process design of sewage disposal, the different steps to anaerobic digestion does not design targetedly.So though certain effect is arranged but do not bring into play the usefulness of biological inoculum fully, do not create better digestion degradation condition, these factor affecting the work capacity in anaerobic digestion filter tank.

Summary of the invention

In order to make treatment tank be in better anaerobic digestion state, promote the work capacity for the treatment of pond, the utility model has fully utilized a kind of degree that improve sewage disposal of design such as hydraulic fluid technology, biological contact digestion techniques, biological and ecological environmental technology, improve the processing efficiency of sewage, reduce the residence time of sewage, reduce the growing amount of mud, improve the sewage useful volume and the utilising efficiency for the treatment of pond, the treatment tank of reducining the construction costs.

The technical solution of the utility model is by overcurrent partition wall that is provided with in the filter tank and overflow partition wall, on the one hand treating pond is carried out the interval and separates, and utilizes partition wall to the current channeling conduct on the other hand, and sewage is fully contacted in the packing area, and the operation of diffusion plug-flow.One end in filter tank is a feed-water end, and the other end is the water side, establishes water inlet pipe and rising pipe respectively, and water inlet pipe and rising pipe can enter or discharge as required from three directions.Be separated into different intervals by overcurrent partition wall, overflow partition wall, overcurrent partition wall respectively successively in the process of the inside of pond body from the feed-water end to the water side.Wherein intermediary overflow partition wall is divided into relatively independent two portions with the filter tank, and absolute altitude is higher than the overflow partition wall at the bottom of the pipe of water inlet pipe, and the overflow partition wall is higher than absolute altitude at the bottom of the pipe of water shoot.Forward and backward half district in the filter tank establishes the overcurrent partition wall again respectively, and the middle part of overcurrent partition wall is a flow channels, is the passage of guiding current.Both sides at the overcurrent partition wall are provided with bio-carrier respectively, can form microbial film, and the sewage of process is contacted digestion.Space between carrier filler and the overflow partition wall is the Digestive system buffer zone, can buffering acid basicity.Below body bottom, pond and the filler is mud-sinking area, establishes on the top board of pond body and draws inspection port clearly.Establish the ventpipe exhaust on the top in filter tank, establish air passing hole on the top of overcurrent partition wall and be communicated with the pond body.

The utility model is an anaerobism sewage treatment process, is applicable to that the biochemical degradation of organic sewage is handled.The utility model is on working mechanism, mainly be to create relatively independent acid, alkali two-phase ecotope, in acid, alkali environment separately, by a large amount of bio-carriers is set, form the dominant bacterial classification that adapts to this stage sewage situation, create sufficient dominant contact digestion condition.When sewage entered the filter tank, treatment solution relied on the operation of nature hydraulic pressure plug-flow to advance, and the current guiding by overcurrent partition wall and overflow partition wall makes treatment solution advance along the diffusion of carrier filler district, and played the effect of sufficient mixing contact digestion in the flow process.Different steps in body inside, pond extensively is provided with a large amount of biologic packing materials, adhere to a large amount of dominant bacterial classifications, so no matter sewage can both fully contact with biological inoculum in flow process or at the stop state, has improved biological palliating degradation degree and envrionment conditions.On the other hand, on the mechanism of anaerobic digestion, the degradation process of anaerobic digestion is divided into acidic phase and alkali stage, at acidic phase, what mainly participate in is facultative acid-producing bacteria, organic matter degradation is become low molecule organic matters such as low sugar, low fat, alcohol, and it is acid that this stage Digestive system is.Further digestion enters alkali stage, is mainly participated in by various obligate methanobacterias, and low molecule organic matter is degraded to methane gas, carbonic acid gas and water, and this stage Digestive system is alkalescence.The palliating degradation degree of anaerobic digestion depends primarily on the digestion of alkali stage, and still, alkali stage is participated in by multiple methanobacteria, methanobacteria has specificity, the organism that each strain degradation is specific, and methanobacteria is very sensitive to environment is particularly to the variation of the potential of hydrogen of pH value.So the degraded work of anaerobic digestion will guarantee methanobacteria a good alkaline living environment is arranged, form the compound dominant population, the utility model is separated the pond body by the overflow partition wall, the filter tank is divided into relatively independent acid, two intervals of alkali, there is a buffer zone between overflow partition wall and the bio-carrier, Digestive system is a kind of reversible soda acid biochemical reaction, so utilize the shock absorption of Digestive system, just can form metastable basic region.Reach the effect that promotes the anaerobic digestion effect by above integrated design.The beneficial effects of the utility model are reflected in by above technological measure the sewage digestion process ability in filter tank is improved, and the sewage load of unit volume improves, and draining water quality improves, and surplus sludge volume reduces, and prolongs to draw the cycle clearly.Thereby both realized environmental protection, improved work efficiency and ability again, reduced the spillage of material of building.When adopting concrete or brick mode to build, can help the approval and the acceptance in market with reference to the technological standard of country's building.

Description of drawings

Below in conjunction with accompanying drawing and example structure of the present utility model is further specified

Fig. 1 is a horizontal synoptic diagram of the present utility model.

Fig. 2 is the A-A view of Fig. 1.

Fig. 3 is the B-B view of Fig. 1.

Fig. 4 checks the alternative plan of drawing mouth 8 clearly.

In the accompanying drawing, 1, top board; 2, pool wall; 3, pond base plate; 4, overflow partition wall; 5, overcurrent partition wall Lower Half; 6, the overcurrent partition wall first half; 7, bio-carrier; 8, mouth is drawn in inspection clearly; 9, water inlet pipe; 10, rising pipe; 11, ventpipe; 12, air passing hole; 13, flow channels; 14, buffer zone

Embodiment

One end in filter tank as shown in Figure 1, 2, 3 has water inlet pipe 9, and the other end has rising pipe 10, and water inlet pipe and rising pipe can be located at three directions of pond body according to the needs of introducing and discharge and choose wantonly.Inside at the pond body is divided into sour phase region and alkali phase region by overflow partition wall 4, two portions before and after acid, alkali two districts are divided into by the overcurrent partition wall respectively again, and the hypomere 5 of overcurrent partition wall and the centre of epimere 6 are flow channels 13; The both sides of overcurrent partition wall are provided with bio-carrier 7, and the following side space of filler 7 is mud-sinking areas; Above the different intervals of the top board of pond body, establish inspection and draw mouthfuls 8 clearly, wherein above the overflow partition wall draw clearly mouthful can be shared one, also can establish two respectively in the both sides of overflow partition wall as shown in Figure 4 and draw mouth clearly; Vapor pipe 11 is established on the top of pond body; Establish air passing hole 12 on the top of overcurrent partition wall; Keeping certain space between overflow partition wall and the carrier filler is buffer zone.

Fig. 4 is to drawing replenishing of inspection port clearly, according to the needs of using, the inspection port of overflow partition wall top can be adjusted into above overflow partition wall both sides by the form of share and establish the form of drawing inspection port clearly respectively.

A kind of implementing process in the present embodiment can be taked the form of the construction of Steel Concrete or brick mix structure, according to relevant construction technical standard design and construction.Also can adopt matrix material or reinforced plastics processing and fabricating in addition, and implement according to the technological standard of respective material.

Claims

1, a kind of process of soda acid ecology contact digester, the inside that it is characterized in that the filter tank sets gradually overcurrent partition wall, overflow partition wall, overcurrent partition wall along the current process between from the feed-water end to the water side pond body is separated, the middle part of overcurrent partition wall is a flow channels, air passing hole is established on top, solid is provided with the bio-carrier that distributed in the both sides of overcurrent partition wall, and the top of pond body is established and drawn inspection port and ventpipe clearly.

2, the process of soda acid ecology according to claim 1 contact digester, it is characterized in that keeping between described overflow partition wall and the bio-carrier certain space, absolute altitude is higher than the height of overflow partition wall at the bottom of the pipe of water inlet pipe, and the overflow partition wall is higher than absolute altitude at the bottom of the pipe of water shoot.