CN208684744U - Sludge drying pond with biological deodorizing function - Google Patents

Abstract

A kind of sludge drying pond with biological deodorizing function, it includes sewage treatment unit, sludge lifting component and sludge drying pond, and the sludge drying pond is located above the sewage treatment unit and is connected to by the sludge lifting component with the sedimentation basin of sewage treatment unit；The middle layer in the sludge drying pond is provided with a joint-cutting double-wall corrugated pipe, forms a sludge memory block, is provided with filter assemblies below the sludge memory block, bacteria bed is provided with above the sludge memory block, forms the biological deodorizing structure in sludge drying pond.The utility model is respectively arranged with filter assemblies and bacteria bed formation deodorization structure in the upper and lower of sludge memory block, to solve the problems of the prior art.

Description

Sludge drying pond with biological deodorizing function

Technical field

The utility model relates to the field of deodorization in sludge drying pond, bright can be directed to existing medium and small rule more particularly, to one kind The sludge drying pond of mould Sewage Disposal project sludge drying pond deodorization problem.

Background technique

Existing rural sewage treatment scale of the project is small, and the sludge quantity of generation is little, and sludge is largely regular by fecal suction truck Appointed place is cleaned to be handled.Some projects are provided with sludge drying pond, but do not carry out deodorizing process.Some project sludge Processing not in time, or even is dealt with improperly, causes secondary pollution, it is relatively high that secondary pollution receives resident's complaint.Therefore sludge is used Pond stores sludge, is periodically cleared up by fecal suction truck and no the sludge drying pond way of progress deodorizing process will be restricted gradually.

Utility model content

In conclusion to solve the technical problems existing in the prior art, the utility model discloses one kind and removes with biology The sludge drying pond of smelly function effectively can carry out deodorizing process for sludge drying pond in middle and small scale Sewage Disposal.

In order to achieve the above objectives, specific technical solution is as follows:

A kind of sludge drying pond with biological deodorizing function comprising sewage treatment unit, sludge lifting component and dirt Mud mummifying pool, the sludge drying pond are located above the sewage treatment unit and pass through at the sludge lifting component and sewage Manage the sedimentation basin connection of unit；

The middle layer in the sludge drying pond is provided with a joint-cutting double-wall corrugated pipe, forms a sludge memory block, which deposits Filter assemblies are provided with below storage area, bacteria bed is provided with above the sludge memory block, the biology for forming sludge drying pond removes Smelly structure.

Further, the filter assemblies include from the coarse filtration layer that the sludge drying bottom of pond is set gradually upward, in it is thick Filter layer, thin filter layer.

Further, a filtered water collection pipe is additionally provided under the filter assemblies, at the filtered water collection pipe and sewage Manage the conditioning tank connection in unit.

Further, the bacteria bed is a biomembrane, is placed in sludge drying pond upper surface.

Further, the sewage treatment unit include the conditioning tank being sequentially communicated, anoxic pond, aerobic tank, sedimentation basin and in Between pond, the sedimentation basin is that precipitating, accumulation have the pond body of sludge.

Further, the lifting assembly includes sludge pump, sludge pipe, the sludge pump loaded on sludge pipe one end and protrude into In the sedimentation basin, and the other end of sludge pipe is arranged in the joint-cutting double-wall corrugated pipe.

Compared to existing technologies, as follows the advantages of the utility model:

The utility model is directed to existing middle and small scale Sewage Disposal project sludge drying pond deodorization problem, proposes solution party Case.The sludge that treating stations generate is pipelined to sludge drying pond middle layer, and sludge drying pond uses joint-cutting double-wall corrugated pipe As sludge memory block, the sewage sludge storage time is longer, and has certain degradation to organic matter.Memory block lower layer is set as thick The filtering material carefully arranged in pairs or groups crosses drainage and enters conditioning tank, and sludge is made to play the role of desiccation, and memory block upper layer is the life of certain altitude The foul smell that object filter bed sludge generates is gradually risen by bacteria bed gap, it is with stink odor when gas flows through filter material surface Chemical dissolution enter and be decomposed after the biomembrane of filter material surface；The oxygen in air enters bacteria bed, gas simultaneously Oxygen contained in body enters biomembrane also by dissolution, provides necessary oxygen for the growth and breeding of biomembrane, thus reaches Deodorization purpose.

Detailed description of the invention

Fig. 1 is the utility model embodiment structural schematic diagram.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.

A kind of sludge drying pond with biological deodorizing function comprising sewage treatment unit 1, sludge lifting component 2 and Sludge drying pond 3, the sludge drying pond 3 be located at 1 top of the sewage treatment unit and by the sludge lifting component 2 with The sedimentation basin of sewage treatment unit 3 is connected to.

The sewage treatment unit 1 include be sequentially communicated conditioning tank 11, anoxic pond 12, aerobic tank 13, sedimentation basin 14 and Intermediate pool 15, the sedimentation basin 14 are precipitating, accumulate the pond body for having sludge.Specifically: the water inlet of the conditioning tank 11 For sewage inlet, and it is provided with the draw-off pump for extracting sewage into anoxic pond in the conditioning tank 11 and is connected to aspiration pump Extraction tube, the extraction tube are connected to the anoxic pond 12, and the anoxic pond 12 and two aerobic tanks 13 are contacted, in each aerobic tank 13 It is provided with aeration tube, aeration nozzle is provided on aeration tube, the precipitating funnel for being inverted triangle is provided in the sedimentation basin 14, The lifting assembly 2 stretches in the precipitating funnel.

The middle layer in the sludge drying pond 3 is provided with a joint-cutting double-wall corrugated pipe 4, forms a sludge memory block, the sludge Filter assemblies 5 are provided with below memory block, are provided with bacteria bed 6 above the sludge memory block；The filter assemblies 5 include from Coarse filtration layer 51 that 3 bottom of sludge drying pond is set gradually upward, middle coarse filtration layer 52, thin filter layer 53, the biological filter Bed 6 is a biomembrane, is placed in 3 upper surface of sludge drying pond.

The coarse filtration layer 51 is natural sand stone, partial size 20-24mm, with a thickness of 200-300mm；Middle coarse filtration layer 52 For natural sand stone, partial size 5-8mm, with a thickness of 400-600mm；Thin filter layer 53 is natural sand stone, partial size 2mm, with a thickness of 200mm, the bacteria bed 6 are natural sand stone, partial size 2-13mm, with a thickness of 200-300mm.

Specifically: the horizontal horizontal middle layer with the sludge drying pond 3 of joint-cutting double-wall corrugated pipe 4.

The lifting assembly 2 includes sludge pump 21, exhaust pipe 22, and the sludge pump is loaded on sludge pipe one end and protrudes into and institute It states in sedimentation basin, and the other end of sludge pipe is arranged in the joint-cutting double-wall corrugated pipe 4, the sludge pipe is located at joint-cutting double-walled One section in bellows is perforated sludge discharge pipe 23, forms one end and connects sedimentation basin, one end connects the structure of joint-cutting double-wall corrugated pipe.

The sludge memory block lower layer is set as the filtering material of thickness collocation, crosses drainage and enters conditioning tank, plays sludge It is acted on to desiccation, memory block upper layer is that the foul smell that 6 sludge of bacteria bed of certain altitude generates passes through 6 gap of bacteria bed gradually Rise, its chemical dissolution with stink odor enters and quilt after the biomembrane of filter material surface when gas flows through filter material surface It decomposes；The oxygen in air enters bacteria bed simultaneously, and oxygen contained in gas enters biomembrane also by dissolution, for biology The growth and breeding of film provides necessary oxygen, thus reaches deodorization purpose.

Below to carry out test and the data obtained by taking cell as an example:

It is handled by the pretreatment to community life sewage, biochemical treatment, sludge drying pond 3, relies on sludge drying pond 3 Bacteria bed effectively degrades to the foul smell generated in mud drying process, it is ensured that Sewage Disposal foul smell meets GB18918- Urban wastewater treatment firm circle (edge protection band) first discharge standard in 2002 realizes the purpose mutually coordinated with surrounding landscape；It is useless Gas analysis test, is reported as follows:

The above various embodiments is only to illustrate the technical solution of the utility model, but the utility model is not limited to this reality Apply mode, person of ordinary skill in the field within the scope of knowledge, before not departing from the utility model aims It puts, can also make a variety of changes.Person of ordinary skill in the field is from above-mentioned design, without creativeness Labour, made various transformation are all fallen in the protection scope of the utility model.

Claims (6)

1. the sludge drying pond with biological deodorizing function, it is characterised in that: it includes sewage treatment unit, sludge lifting component And sludge drying pond, the sludge drying pond are located above the sewage treatment unit and by the sludge lifting component and dirt The sedimentation basin of water treatment unit is connected to；

The middle layer in the sludge drying pond is provided with a joint-cutting double-wall corrugated pipe, forms a sludge memory block, the sludge memory block Lower section is provided with filter assemblies, and bacteria bed is provided with above the sludge memory block, forms the biological deodorizing knot in sludge drying pond Structure.

2. the sludge drying pond according to claim 1 with biological deodorizing function, it is characterised in that: the filter assemblies Including coarse filtration layer, the middle coarse filtration layer, thin filter layer set gradually upward from the sludge drying bottom of pond.

3. the sludge drying pond according to claim 2 with biological deodorizing function, it is characterised in that: the filter assemblies Under be additionally provided with a filtered water collection pipe, which is connected to the conditioning tank in sewage treatment unit.

4. the sludge drying pond according to claim 1 with biological deodorizing function, it is characterised in that: the bacteria bed For a biomembrane, it is placed in sludge drying pond upper surface.

5. the sludge drying pond according to any one of claims 1 to 4 with biological deodorizing function, it is characterised in that: The sewage treatment unit includes the conditioning tank being sequentially communicated, anoxic pond, aerobic tank, sedimentation basin and intermediate pool, the precipitating Pond is precipitating, accumulates the pond body for having sludge.

6. the sludge drying pond according to claim 5 with biological deodorizing function, it is characterised in that: the lifting assembly Including sludge pump, sludge pipe, the sludge pump is loaded on sludge pipe one end and protrudes into in the sedimentation basin, and sludge pipe is another End is arranged in the joint-cutting double-wall corrugated pipe.