CN200988806Y

CN200988806Y - Double layer arch awning oxidizing ditch

Info

Publication number: CN200988806Y
Application number: CNU2006201618750U
Authority: CN
Inventors: 张成禄; 李思思; 周煜; 陈晶晶; 杨荣
Original assignee: Shandong University
Current assignee: Shandong University
Priority date: 2006-12-29
Filing date: 2006-12-29
Publication date: 2007-12-12
Anticipated expiration: 2016-12-29

Abstract

The utility model relates to a double deck oxidation canal, comprising an oxidation canal body, an exterior and an interior double deck vaulted shelf frameworks, shelf film and a plurality of air hatches. The oxidation canal is provided with an aeration machine inside. The exterior and interior wall of the oxidation canal is connected with the exterior and interior double deck vaulted shelf frameworks respectively, the double deck vaulted shelf frameworks are both covered with shelf film, an air hatch are arranged on the left and right end of the shelf film. When in use, the sewage and active sludge in the canal circular flow in the oxidation canal in the push of the aeration machine, the microbe grow and generate utilizing the organics in sewage and the oxygen from aeration device so that the sewage is purified. The double deck vaulted shelf can educe fine incubation and the shelf film ensures the sufficient illumination in the oxidation canal. Thereby the water temperature in the oxidation canal rises to the temperature that is suitable for microbe to grow to ensure the growth and generation of microbe and improve the sewage treatment. The air hatches are arranged on both ends of the vaulted shelf to ensure that the ventilation in the oxidation canal, which is helpful to the maintenance of the temperature in the canal. The device has the advantages of simple in structure, convenient in management, low in cost and fine in incubation.

Description

Double-deck shed oxidation ditch

Technical field

The utility model relates to a kind of Wastewater Treated by Activated Sludge Process sewage device, specifically a kind of double-deck shed oxidation ditch.

Background technology

We know that oxidation ditch is a kind of simple and easy sewage disposal technology that utilizes circulating mixed aeration irrigation canals and ditches to dispose of sewage.The oxidation ditch activated sludge process manifests very big advantage in the biological treatment of city domestic sewage and trade effluent at present, is widely used in sewage disposal.But because the efficient and the effluent quality of Wastewater Treated by Activated Sludge Process sewage depend primarily on microorganism active, therefore, under the low-temperature condition, microorganism active is suppressed in the winter time, reduce sewage treating efficiency and effluent quality, become a big problem of oxidation channel wastewater treatment system winter operation.Current, solution commonly used both at home and abroad has system's heating, prolongs aeration time etc., but the ubiquity complex process, the management trouble, cost of investment is crossed problems such as height.

Summary of the invention

The utility model is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, cost is low, the double-deck shed oxidation ditch of convenient management, high insulating effect.

The purpose of this utility model is to adopt following technical proposals to realize: a kind of double-deck shed oxidation ditch, form by oxidation ditch body, inside and outside double-deck shed skeleton, canopy film, ventilation opening, be provided with aerator in the oxidation ditch, oxidation ditch inside and outside furrow bank links to each other with inside and outside double-deck shed skeleton respectively, all be coated with the canopy film on the double-deck shed skeleton, have ventilation opening on the canopy film at two ends, the shed skeleton left and right sides.

Inside and outside double-deck shed skeleton adopts glass-reinforced plastic material, and the canopy body is played a supportive role.

The canopy film adopts does not have the film of dripping, and both can keep suitable water temperature in the canopy in winter, avoids canopy film knot mist again, guarantees good light transmittance.

During use, sewage and active sludge are circulating in the oxidation irrigation canals and ditches under the promotion of aerator in the ditch, and this moment, microorganism utilized organism and aerator oxygen supply in the sewage to carry out growth and breeding, and sewage is purified.The good insulation effect of double-deck shed performance does not have the film of dripping and has guaranteed illumination abundance in the oxidation ditch, and water temperature raises in the ditch thereby make, and reaches microorganism growth institute optimal temperature, guarantees the microorganism growth breeding, improves wastewater treatment efficiency.Ventilation opening is arranged at the shed two ends, in order to guarantee the oxidation ditch airiness, helps to keep temperature in the ditch.

The utility model is applicable to various types of oxidation ditches, has simple in structure, convenient management, characteristics such as cost is low, heat insulation effect is remarkable.It makes, and microorganism active improves under the winter low temperature, thereby improves sewage treating efficiency, guarantees effluent quality.

The utlity model has following advantage:

1. sewage treating efficiency height under the winter low temperature, effluent quality is good.

2. heat insulation effect is remarkable, has improved microorganism active, reduces the probability that sludge bulking and mud do not increase appearance.

3. double-deck shed provides double shielding, can avoid oxidation ditch to be subjected to extraneous severe weather (as heavy rain, wind and snow etc.) influence.

4. simple in structure, convenient management, capital cost is low, is convenient to large-scale application.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is that diagrammatic cross-section is looked on the left side of Fig. 1.

Wherein 1, the oxidation ditch body, 2, internal layer shed skeleton, 3, outer shed skeleton, 4 canopy films, 5 ventilation openings, 6, aerator.

Embodiment

Below in conjunction with drawings and Examples the utility model is further specified.

Embodiment: as shown in Figure 1 and Figure 2, oxidation ditch body 1 inside and outside furrow bank links to each other with inside and outside stringcourse canopy skeleton 2,3 respectively, all is coated with canopy film 4 on the inside and outside stringcourse canopy skeleton 2,3.Canopy film 4 both sides have ventilation opening 5.Aerator 6 is arranged in the oxidation ditch.

Oxidation ditch body 1 is the sewage disposal maincenter, adopts the reinforcing steel bar laying framework, and anticorrosion concrete cast forms, and has the anticorrosion intensity of higher pressure-bearing.Oxidation ditch body 1 adopts the reinforcing steel bar laying framework, and anticorrosion concrete cast forms, and ditch contains sewage disposal devices such as active sludge and aerator 6, is the sewage disposal maincenter, in order to purify waste water.Inside and outside stringcourse canopy skeleton 2,3 adopts glass-reinforced plastic material, and the canopy body is played a supportive role, and has anti-aging, resistance to deformation characteristic, strengthens canopy body intensity.Canopy film 4 adopts does not have the film of dripping, and both can keep suitable water temperature in the canopy in winter, avoids canopy film 4 knot mists again, guarantees good light transmittance.Ventilation opening 5 is arranged at the shed two ends, in order to guarantee the oxidation ditch airiness, helps to keep steady temperature in the ditch.

During use, in the oxidation ditch body 1, sewage is entered by water-in, sewage and active sludge are circulating in the oxidation irrigation canals and ditches under the promotion of aerator 6, this moment, microorganism utilized organism and aerator 6 oxygen supplys in the sewage to carry out growth and breeding, and sewage is purified, and purified waste water and was flowed out by water outlet.Daytime, double-deck shed was evenly distributed on sunlight in the oxidation ditch 1, made the interior air of canopy receive sun power and warmed; Night, shed formed enclosed space, guaranteed optimal temperature in the canopy, provided microorganism good living environment.In the last ten-days period in the first tenday period of a month in April to October, outside air temperature is generally higher, can remove canopy film 4, directly moves oxidation ditch 1.And from the first tenday period of a month in the April last ten-days period in October to next year, outside air temperature is on the low side, need to cover double-deck canopy film 4 and keep water temperature, the southern area that weather is warm can only cover internal layer canopy film according to circumstances, when fine, by concrete temperature Change situation, select between 9:00 in the morning～afternoon 4:00 to open ventilation opening 5 in 1～2 hour and ventilate; Seal double-deck shed night and guarantee constant temperature in the canopy, cold district is if be necessary and can add the insulation of lid layer waterproof paper at canopy.

Claims

1. double-deck shed oxidation ditch, comprise the oxidation ditch body, be provided with aerator in the oxidation ditch, it is characterized in that: also comprise inside and outside double-deck shed skeleton, canopy film, ventilation opening, oxidation ditch inside and outside furrow bank links to each other with inside and outside double-deck shed skeleton respectively, all be coated with the canopy film on the double-deck shed skeleton, have ventilation opening on the canopy film at two ends, the shed skeleton left and right sides.

2. according to the described double-deck shed oxidation ditch of claim 1, it is characterized in that: described inside and outside double-deck shed skeleton adopts glass-reinforced plastic material to make.

3. according to the described double-deck shed oxidation ditch of claim 1, it is characterized in that: described canopy film is not have the film of dripping.