CN211141644U

CN211141644U - Integrated prefabricated sewage treatment device

Info

Publication number: CN211141644U
Application number: CN201921878747.1U
Authority: CN
Inventors: 牛远志
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-07-31
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a prefabricated sewage treatment plant of integration provides a prefabricated sewage treatment facility. The aeration treatment device comprises a shell, guide plates, a partition plate, an aerator, a feeding pipeline and a discharging pipeline, wherein the shell is a reinforced concrete prefabricated part, the inner space of the shell is divided into two parts by horizontal partition plates, the upper layer is an aeration treatment area and a sedimentation area, the lower layer is an anaerobic reaction area, the aeration treatment area is divided into three aeration unit modules by two guide plates, the aerator and a gas outlet pipe are arranged in each aeration unit module, the partition plate is arranged between the aeration treatment area and the sedimentation area for separation, an overflow channel is arranged between the sedimentation area and the anaerobic reaction area, and the anaerobic reaction area is divided into three anaerobic unit modules by three guide plates. The utility model discloses can realize the prefabricated integration manufacturing of mill, transport to the job site carry out the construction can, improve efficiency of construction and construction quality greatly.

Description

Integrated prefabricated sewage treatment device

Technical Field

The utility model relates to a sewage treatment device/treatment facility technical field.

Background

The existing sewage treatment equipment is generally provided with only one biological tank, and the biological tank is divided into an anaerobic reaction tank, an anoxic reaction tank, an aerobic reaction tank and a sedimentation tank, wherein in the anaerobic reaction tank, bacteria in sludge convert volatile fatty acid in sewage into poly β hydroxybutyric acid in an anoxic environment and then store the poly β hydroxybutyric acid in vivo, phosphate is released into sewage, then the bacteria in the sludge synthesize polyphosphate from phosphate in the sewage in an aerobic environment and store the polyphosphate in vivo, so as to remove phosphorus in the sewage, and the sludge and the sewage after phosphorus removal need to flow back to the anoxic reaction tank section, and nitrogen in the sewage is removed by heterotrophic denitrifying bacteria in the sludge in the anoxic environment.

However, the existing sewage treatment equipment is only provided with one biological tank, so that aerobic reaction and anoxic environment are easy to mix, and incomplete reaction is caused.

In the technology disclosed in CN 108249685 a, the sewage treatment apparatus includes a first filtering chamber, a reaction chamber, an oxidation chamber, a second filtering chamber and a heater, and in this technology, each reaction stage is made into an independent chamber, so that although a good reaction effect can be ensured, a steel tank is used as a main structure, and implementation of this technology requires high manufacturing cost and is prone to pipeline blockage.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a prefabricated sewage treatment plant of integration for solve the problem that the current sewage treatment device can not realize prefabrication, integration manufacturing and designing.

The utility model provides a technical scheme that its technical problem adopted does:

an integrated prefabricated sewage treatment device comprises a shell with an internal cavity, a guide plate and a baffle plate which are arranged in the internal cavity, an aerator, an inlet pipeline and an outlet pipeline, and is characterized in that,

the shell is a reinforced concrete prefabricated part and is manufactured by connecting primary prefabrication and secondary grouting, the inner space of the shell is divided into two parts by horizontal partition plates, the upper layer is an aeration treatment area and a sedimentation area, the lower layer is an anaerobic reaction area, wherein the aeration treatment area is divided into three aeration unit modules by two guide plates, each aeration unit module is provided with an aerator and an air outlet pipe, the aeration treatment area and the sedimentation area are isolated by a partition plate, an overflow channel is arranged between the sedimentation area and the anaerobic reaction area, and the anaerobic reaction area is divided into three anaerobic unit modules by three guide plates;

the two sides of the guide plate are respectively provided with a guide inlet and a guide outlet which are arranged in a staggered manner and are communicated with each other;

the upper part of the clapboard is provided with an overflow channel.

Furthermore, the lower part of the guide plate is an inverted T-shaped foot structure,

further, the shell comprises a main body shell and an auxiliary shell, wherein the main body shell is of a frame structure consisting of an upper part, a lower part, a front part, a rear part, a side surface and a middle partition plate, a step surface is arranged on the main body shell, slot structures are arranged on the upper part and the middle partition plate to form installation slot structures of a plurality of guide plates, the auxiliary shell is of a flat plate structure, the auxiliary shell and the main body shell are overlapped, a steel bar overlapping structure is formed at the overlapping surface, secondary grouting connection is carried out, and a complete and relatively closed structure is formed through grouting connection, namely, in the structure, a prefabricated structure of reinforced concrete is feasible.

Further, be provided with 8 on the side of casing and take out the mud hole, correspond eight unit modules for installation sludge pump module, the effect is cleared up mud.

Further, the inner surfaces of the main body shell and the auxiliary shell are coated or sprayed with corrosion-resistant coatings, such as various polyethylene coatings, nylon coatings and the like, so that a relatively uniform and consistent compact surface is formed inside the shell, and meanwhile, the anti-seepage effect is improved.

Furthermore, the guide plate is made of nylon or corrosion-resistant polyurethane, and is integrally injection-molded and integrally structured.

Further, the upper end of the overflow channel is 20 cm away from the top of the settling module.

The utility model has the advantages that:

1. the prefabricated integrated design and manufacture in factories can be realized, and the prefabricated integrated design and manufacture can be transported to a construction site for installation and construction, so that the construction efficiency and the construction quality are greatly improved.

2. The main body part of the device is a reinforced concrete prefabricated part, can be used in a buried mode for a long time, and has longer maintenance-free performance compared with the traditional tank type reaction vessel.

3. The double-layer structure design of the device is small in occupied area and beneficial to intensification of a field.

4. The modular design is convenient for the expansion of the manufacturing process.

5. The multiple aeration units and the multiple anaerobic units are combined, the reaction route is longer, and better sewage treatment effect is realized.

6. The casing of the reinforced concrete structure is matched with the buried construction, so that the constant temperature of the internal sewage can be realized, and the biochemical reaction is facilitated.

Drawings

Fig. 1 is an assembly view of the device.

Fig. 2 is a side view of fig. 1.

Fig. 3 is an end view of fig. 1.

Fig. 4 is a perspective view (front face) of the concrete shell.

Fig. 5 is a perspective view (back side) of the concrete shell.

Fig. 6 is a perspective view (back) of the baffle.

Fig. 7 is a cross-sectional view of a baffle.

Fig. 8 is a perspective view (front) of the baffle.

Fig. 9 is a sectional view of the shutter.

Fig. 10 is a perspective view of an aerator.

Fig. 11 is a perspective view of the present device.

In the figure:

100 outer shell, 110 main body shell, 120 auxiliary shell,

200 guide plates, 210 ground foot structures, 211 guide inlet and 212 guide outlet,

the flow rate of the 300 baffle plates, the 310 overflow channels,

400 of the aeration device, namely a water tank,

510 a water inlet pipe, and a water outlet pipe,

520 a water outlet pipe is arranged on the water tank,

600 of a sludge pump module, wherein the sludge pump module,

010 aeration unit module, 011 aerator, 012 exhaust pipe,

020 sedimentation unit modules, 021 overflow channels,

030 anaerobic unit module, 310 overflow channel.

Detailed Description

The device is wholly for reinforced concrete prefab, connects through once prefabricating, secondary grout and accomplishes the preparation, wholly adopts reinforced concrete prefabrication fashioned thought, realizes a prefabricated structure. The reinforced concrete structure has the advantages of good weather resistance and low manufacturing cost, can meet the use requirement of long-term buried, and is a maintenance-free structure.

Referring to fig. 1 to 3, the whole device is divided into two levels, the upper layer is provided with aeration treatment and sedimentation facilities, and the lower layer is provided with anaerobic reaction facilities. The facility as a whole comprises a reinforced concrete prefabricated shell 100, a guide plate 200 and a partition plate 300 which are arranged in an inner cavity, an aerator 400 arranged on the shell, and related pipelines such as a water outlet pipe 520, a water inlet pipe 510, an exhaust pipe and the like. The following section describes each component in detail.

The shell 100 comprises a main body shell 110 and an auxiliary shell 120, wherein the main body shell is a frame structure consisting of an upper part, a lower part, a front part, a rear part, a side surface and a horizontal partition plate, a step surface is arranged on the main body shell, and slot structures are arranged on the upper part and the middle partition plate to form a plurality of mounting slot structures of the guide plates. Be provided with 8 mud holes of taking out on the side of main casing body for install and take out the sludge pump, the effect is to clear up mud.

The auxiliary shell is of a flat plate structure, the auxiliary shell and the main shell are overlapped, a steel bar overlapping structure is formed at the overlapping surface, secondary grouting connection is performed, and a complete and relatively closed structure is formed through grouting connection, referring to fig. 11. That is, in the present structure, a prefabricated structure of reinforced concrete is possible.

In a further improvement technology, corrosion-resistant coatings such as various polyethylene coatings, nylon coatings and the like can be coated or sprayed on the inner surfaces of the main shell and the auxiliary shell, so that a relatively uniform and consistent compact surface is formed inside the shell, and the anti-seepage effect is improved.

Referring to fig. 4 to 5, in the upper aeration treatment and sedimentation treatment process, four unit modules are included, wherein the first three are aeration unit modules 010, each aeration unit module is provided with four aerators 011 and one air outlet pipe 012, and the adjacent two unit modules are separated by a guide plate 200 to form three relatively independent cavities. The third aeration unit module and the sedimentation unit module are isolated from each other by using a partition 300, in which three guide plates and one partition are implemented in a pre-assembled structure, and the configuration and structure thereof will be described in detail below.

Referring to fig. 6 to 8, the baffle 200 is made of nylon or corrosion-resistant polyurethane, and is integrally injection-molded and integrally constructed. From structural division, this guide plate is whole for the platelike that has certain thickness, carries out fixed coordination through slot structure and prefabricated body inner wall in the upper end of guide plate, and the lower extreme of guide plate 200 is the lower margin structure 210 that has wider size, and from the section, this lower margin structure is the T shape of inversion. The guide plate is provided with a guide inlet 211 and a guide outlet 212 on two sides, wherein the guide inlet is located on the upper portion of the guide plate, the guide outlet is located on the lower portion of the guide plate, and the guide inlet and the guide outlet are respectively arranged on two sides of the guide plate. The sewage channel is arranged in the guide plate between the guide inlet and the guide outlet, and the sewage is guided through the sewage channel.

Similarly, the outer contour of the partition 300 is the same as that of the above-mentioned baffle, except that the baffle is not provided with a diversion inlet and a diversion outlet, but the baffle 300 is provided with only an overflow passage 310 near the upper part for passing through the sewage.

Further, in this embodiment, all baffles used are of the same basic construction, differing only in height dimension.

In the aeration module on the upper portion, through the setting of guide plate 200, separate aeration zone for three independent unit module, and cooperate four aerators 011 in every module, and blast pipe 012, can realize the independence to each aeration region, accurate control, it is concrete, through set up the mud water yield that the mud concentration increases gradually in first aeration unit to third aeration unit, and according to the real-time regulation aeration rate of the concentration of sewage, namely, adjust the air output of the aerator in every unit module, adjust the most suitable aeration effect.

In this embodiment, the bottom of each aeration unit is the plane, is favorable to the even arrangement of mud (including the fungus).

The lower part is an anaerobic unit, wherein, the anaerobic unit modules 030 are connected with the sedimentation unit modules 020, and the four groups are four groups, namely the first to the fourth anaerobic unit modules.

The settling unit module 020 is arranged between the anaerobic unit module and the aeration unit module, plays a role in transition and buffering, and effectively prevents sludge in the aeration unit module from entering the anaerobic unit module.

When the device works, sewage to be treated is introduced into the aeration unit modules 010 from the water inlet pipe 510 through the water suction pump, and after being subjected to aeration treatment in the first aeration zone, the sewage sequentially enters the second aeration module and the third aeration module backwards, and flows into the next aeration unit among the modules through the flow guide channels on the flow guide plates. And the aeration effect is further improved through multiple times of aeration treatment.

The water quality after the three times of aeration treatment basically reaches the standard, but the sewage cleaning mixed liquid mixed with the activated sludge needs to separate the sludge from the clean water. The mixed liquid of decontaminating flows into and subsides unit module 020 from the guide plate upper portion under the effect of rivers, because can't the aeration stir in the module of subsiding, mud subsides in subsiding the module, is provided with overflow channel 021 on the lateral wall of subsiding module 020, and the upper end of this overflow channel 021 is apart from subsiding the module top about 20 centimetres distance for clear water overflows to the anaerobism unit module 030 of lower part from the upper portion, and this process relies on the dead weight of water, accomplishes under the effect of gravity, the no energy consumption loss.

In the anaerobic unit module, after four times of anaerobic reactions, the sewage is further treated.

Be provided with a plurality of sludge pump modules 600 on 8 regional concrete casing lateral walls above-mentioned, after the activated sludge subsides in each module and reaches a certain amount, can carry out solitary clearance through opening the sludge pump in every module alone, the mud outlet of sludge pump sets up on ground as required. That is, in each of the modules, the excess activated sludge is dehydrated by being pumped out of the tank by a sludge pump provided on one side of each module.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should be able to make various modifications and improvements to the present invention without departing from the spirit of the present invention.

Claims

1. An integrated prefabricated sewage treatment device comprises a shell with an internal cavity, a guide plate and a baffle plate which are arranged in the internal cavity, an aerator, an inlet pipeline and an outlet pipeline, and is characterized in that,

the upper part of the clapboard is provided with an overflow channel.

2. The integrally prefabricated sewage treatment device of claim 1, wherein the lower portion of the flow guide plate is in an inverted T-shaped foot structure.

3. The integrated prefabricated sewage treatment device according to claim 1, wherein the shell comprises a main body shell and an auxiliary shell, wherein the main body shell is of a frame structure with an opening side, a slot structure for installing a guide plate and a partition plate is arranged in the frame, and the auxiliary shell and the main body shell of a flat plate structure are connected in a secondary grouting mode.

4. The integrated prefabricated sewage treatment device of claim 1, wherein a sludge pumping hole is formed on a side surface of the housing and a sludge pump module is installed.

5. The integrated prefabricated sewage treatment device of claim 1, wherein a coating layer is coated or sprayed on the inner surfaces of the main body housing and the sub-housing.

6. The prefabricated sewage treatment plant of claim 1, wherein the deflector is made of nylon or corrosion-resistant polyurethane and is injection molded.

7. The integrated prefabricated sewage treatment device of claim 1, wherein the upper end of the overflow channel is 20 cm from the top of the settling module.