CN218089261U

CN218089261U - Assembled commercial concrete sewage treatment equipment

Info

Publication number: CN218089261U
Application number: CN202220727958.0U
Authority: CN
Inventors: 张武团
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-12-20
Anticipated expiration: 2032-03-30

Abstract

The utility model provides an assembled merchant concrete sewage treatment device relates to sewage treatment technical field, and this sewage treatment device includes the septic tank, grid well, equalizing basin, the biological pond of A level, the biological pond of O level, sedimentation tank that link to each other in order and be used for sterile clean water basin of making by the concrete tank, and septic tank, grid well, equalizing basin, the biological pond of A level, the biological pond of O level, sedimentation tank and clean water basin are all arranged in below the earth's surface. The utility model discloses well pond all adopts the concrete tank, has overcome the pond among the prior art and has adopted the easy corruption of square carbon steel material, short service life and frequent change, leads to the defect that the cost of handling sewage risees.

Description

Assembled commercial concrete sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to an assembled merchant concrete sewage treatment device is related to.

Background

The sewage is generally wastewater from life and production, and although 99.9% of the sewage is water, the pollutants are mainly inorganic substances (such as nitrogen, sulfur, phosphorus and other salts) and organic substances (such as cellulose, starch, fat, protein, synthetic detergents and the like) in a suspended state or a dissolved state.

The sewage treatment can be divided into primary treatment, secondary treatment and tertiary treatment according to different degrees. The first-stage treatment mainly removes suspended solid pollutants in the sewage, and mainly adopts physical methods such as interception, sedimentation, oil separation and the like. The main task of the secondary treatment is to greatly remove colloid and dissolved organic pollutants in the sewage, and biological treatment methods such as an activated sludge method, a biofilm method and the like are mostly adopted. The three-stage treatment is also called deep treatment, and aims to further remove suspended matters, inorganic and organic salts and other pollutants in the sewage, and the common methods mainly comprise physical, chemical and chemical technical methods, such as adsorption, ion exchange, coagulating sedimentation, oxidation and the like

When the sewage is treated by the traditional sewage treatment process, the square carbon steel tank is adopted, the carbon steel tank is short in service life and needs to be scrapped after being used for about ten years, otherwise, leakage accidents are easy to happen, and the cost for treating the sewage is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an assembled merchant concrete sewage treatment device to solve the pond that adopts square carbon steel material among the prior art, the pond life of carbon steel material is short, and it is short to change the interval time, leads to the technical problem that the cost of handling sewage risees.

In order to achieve the purpose, the utility model provides an assembled merchant concrete sewage treatment device, which comprises a septic tank, a grid well, an adjusting tank, an A-level biological tank, an O-level biological tank, a sedimentation tank and a clean water tank for disinfection, wherein the septic tank, the grid well, the adjusting tank, the A-level biological tank, the O-level biological tank, the sedimentation tank and the clean water tank for disinfection are all arranged below the earth surface;

the septic tank, the equalizing basin, the A-level biological tank, the O-level biological tank, the sedimentation tank and the clean water tank for disinfection are all set as concrete tanks.

According to an optional embodiment, the device further comprises a sludge tank, wherein the sludge tank is communicated with the sedimentation tank and the class-A biological tank at the same time and is used for returning part of sludge in the sedimentation tank to the class-A biological tank, and sucking and transporting the other part of sludge to the sludge tank periodically after digestion;

the sludge tank is a concrete tank.

According to an optional implementation mode, be equipped with liquid level regulator in the equalizing basin, liquid level regulator includes liquid level induction unit and liquid level control unit, liquid level induction unit arranges in the equalizing basin for the response the liquid level of equalizing basin, its with the liquid level control unit electricity is connected, the liquid level control unit electricity is connected the water inlet and the elevator pump of equalizing basin.

According to an alternative embodiment, the grid well is provided as a brick-concrete structure and the conditioning tank is provided as a concrete structure.

According to an optional embodiment, the A-grade biological pond is internally provided with a biological elastic filler, and the O-grade biological pond is internally provided with an elastic three-dimensional combined filler.

The utility model provides a sewage treatment device has following technological effect:

this kind of sewage treatment device mainly includes the septic tank, grid well, equalizing basin, the biological pond of A level, the biological pond of O level, sedimentation tank that link to each other in order and be used for sterile clean water basin made by the concrete tank, and septic tank, grid well, equalizing basin, the biological pond of A level, the biological pond of O level, sedimentation tank and be used for sterile clean water basin all arrange in below the earth's surface, because the utility model provides a pond all adopts the concrete tank, has overcome the pond among the prior art and has adopted the easy corruption of square carbon steel material, short service life and frequent change, leads to the defect that the cost of handling sewage risees.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of any one of the pools according to an embodiment of the present invention;

FIG. 2 is a flow chart of the assembled commercial concrete sewage treatment equipment according to an embodiment of the present invention;

FIG. 3 is a process flow diagram of a wastewater treatment process according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1:

the assembled commercial concrete sewage treatment equipment provided by the embodiment comprises a septic tank, a grating well, an adjusting tank, an A-level biological tank, an O-level biological tank, a sedimentation tank and a clean water tank for disinfection, which are sequentially connected, wherein the septic tank, the grating well, the adjusting tank, the A-level biological tank, the O-level biological tank, the sedimentation tank and the clean water tank for disinfection are all arranged below the ground surface.

The sludge tank is communicated with the sedimentation tank and the A-level biological tank simultaneously and is used for returning part of sludge in the sedimentation tank to the A-level biological tank, and the other part of sludge is digested in the sludge tank and then is periodically sucked and transported outside.

Septic tank, equalizing basin, A level biological pond, O level biological pond, sedimentation tank, be used for sterile clean water basin and sedimentation tank all adopt the concrete jar, the structure of concrete jar, as shown in figure 1, the concrete jar is preferably the cylinder type jar, the cylinder type jar has following advantage: the cylindrical shape is more in line with the mechanical principle, and the bearing and compression resistance performance is better; the tank body formed by concrete in one step has better waterproof performance and corrosion prevention effect, and the service life is as long as fifty years.

Wherein, the grid well is of a brick concrete structure, and the grid is of a manual frame type.

A grid is arranged before domestic sewage enters the regulating tank, and is used for removing soft entanglement, larger solid particle sundries and floating objects in the sewage, so that the service life of a subsequent working water pump is protected, and the system treatment workload is reduced.

The adjusting tank is of a concrete structure as shown in fig. 2, sewage enters the adjusting tank after being treated by the grating for adjusting and homogenizing the water quantity and the water quality, the balance and the stability of the water quantity and the water quality of a subsequent biochemical treatment system are ensured, organic matters in the sewage play a certain degradation effect, and the impact resistance and the treatment effect of the whole system are improved.

Establish liquid level control ware in the equalizing basin, liquid level control ware includes liquid level induction unit and liquid level control unit, and liquid level induction unit arranges the equalizing basin in for the liquid level of response equalizing basin, it is connected with the liquid level control unit electricity, and the water inlet and the elevator pump of equalizing basin are connected to the liquid level control unit electricity.

When the liquid level induction unit senses that the sewage in the equalizing basin reaches a certain amount, the liquid level signal is transmitted to the liquid level control unit, and the liquid level control unit is used for over-processing the signal and controlling whether the water inlet of the equalizing basin is opened or not or whether the lift pump is opened or not.

The lift pump is arranged in the regulating tank and comprises 2 pumps for lifting the uniform and homogeneous sewage to the post-treatment.

A level biological pond (oxygen deficiency pond), as shown in figure 2, further mixes sewage, fully utilizes the high-efficient biological elastic filler in the pond as the bacterial carrier, relies on the facultative aerobe to change the indissolvable organic matter in the sewage into soluble organic matter, hydrolysises macromolecule organic matter into the micromolecule organic matter to do benefit to the further oxidative decomposition of next O level biological pond, simultaneously through the nitrocarbon nitrogen of backward flow under the effect of nitrobacteria, can carry out partial nitrification and denitrification, get rid of the ammonia nitrogen.

The high-efficiency biological elastic filler is arranged in the biological oxidation pond, has a hydrolysis acidification function and can be adjusted to form an O-grade biological oxidation pond so as to increase the biochemical retention time and improve the treatment efficiency.

The tank is a box body with a carbon steel structure.

An O-level biological tank (biological contact oxidation tank), as shown in fig. 2, is a core part of the sewage treatment, and is divided into two sections, wherein the former section is under a higher organic load, and removes various organic substances in the sewage through the biochemical degradation and adsorption action of a large number of microbial communities of different species attached to the filler, so that the content of organic substances in the sewage is greatly reduced. Under the condition of lower organic load, the rear section degrades ammonia nitrogen in the sewage under the condition of sufficient oxygen content through the action of nitrobacteria, and simultaneously reduces the COD value in the sewage to a lower level, so that the sewage is purified.

The tank consists of a tank body, a filler, a water distribution device, an oxygenation aeration system and the like.

The tank is mainly based on a biomembrane method and has the characteristic of an activated sludge method.

The elastic three-dimensional combined filler is adopted as the filler in the pool, and the filler has the advantages of large specific surface area, long service life, easy film hanging, corrosion resistance, no agglomeration and blockage. The filler freely stretches in water, multi-level cutting is carried out to the aquatic bubble, has increased the aeration effect more relatively, and the filler becomes cage installation, dismantles, overhauls the convenience.

The pool is divided into two stages, so that the water quality is degraded into gradient, a good treatment effect is achieved, and meanwhile, corresponding diversion turbulence measures are designed and adopted, so that the overall design is more reasonable.

The aeration pipeline in the tank is made of high-quality ABS (acrylonitrile butadiene styrene) pipe and is corrosion-resistant. The aeration head adopts the micropore aeration head, is not blocked and has high oxygen utilization rate.

The tank is a steel-structured tank.

And (3) as shown in figure 2, the sludge discharged from the sedimentation tank is discharged into a sludge tank at regular time for sludge concentration and aerobic digestion, the sludge supernatant is discharged into a regulating tank for retreatment, and the residual sludge is sucked and transported outwards at regular intervals (two to three times per year).

A sludge digestion system is arranged inside.

The clean water tank, as shown in fig. 2, is a disinfection tank, and is designed according to the disinfection tank, a disinfection device and a flow guide plate are arranged in the clean water tank, and the effluent of the sedimentation tank flows into the disinfection tank for disinfection.

Example 2:

in the domestic sewage treatment process provided by the embodiment, as shown in fig. 3, the system treatment facilities can be completely arranged below the ground surface, do not occupy the ground surface area, can be used for greening and is beneficial to freezing prevention. The method comprises the following steps:

step S1: sewage enters a septic tank, and particle impurities are removed through a grid well;

step S2: entering a regulating tank, and homogenizing;

and the sundries generated by the grid well in the step S1 and the sundries generated by the adjusting tank in the step S2 are periodically loaded into a trolley and dumped into a garbage yard.

And step S3: lifting the mixture to an A-level biological pond for acidification, hydrolysis, nitrification and denitrification;

wherein, the step S3 adopts a lifting pump to lift.

And step S4: then flows into an O-level biological tank for aerobic biochemical reaction;

step S5: the effluent automatically flows to a sedimentation tank for filtration;

and in the step S5, part of the sludge in the sedimentation tank flows back to the A-level biological tank, the other part of the sludge is sent to the sludge tank for sludge digestion and then is periodically sucked and transported, and a sludge pre-backflow nitration process is adopted, so that the generation amount of the sludge is greatly reduced.

And step S4 and step S5, blowing by using a fan.

Step S6: the sewage flows to a clean water tank through an overflow weir for disinfection.

TABLE 1 analysis table of treatment effect of each unit facility

As can be seen from the table 1, the A/O biochemical treatment process and the disinfection process are adopted in the utility model, so that the sewage treatment device has good functions of removing organic matters in the sewage and removing nitrogen, and meets the requirements of the discharge standard; has better impact load resistance to adapt to the change of water quality and water quantity.

Septic tank, equalizing basin, A level biological pond, O level biological pond, sedimentation tank and clean water basin all adopt the concrete tank, the structure of concrete tank, as shown in figure 1, the concrete tank is preferably the cylinder type jar, and the cylinder type jar has following advantage: the cylindrical shape is more in line with the mechanical principle, and the bearing and compression resistance performance is better; the tank body formed by concrete at one time has better waterproof performance and anticorrosion effect, and the service life of the tank body is as long as fifty years.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The assembled commercial concrete sewage treatment equipment is characterized by comprising a septic tank, a grating well, an adjusting tank, an A-grade biological tank, an O-grade biological tank, a sedimentation tank and a clean water tank for disinfection, wherein the septic tank, the grating well, the adjusting tank, the A-grade biological tank, the O-grade biological tank, the sedimentation tank and the clean water tank for disinfection are all arranged below the ground surface;

the septic tank, the regulating tank, the A-level biological tank, the O-level biological tank, the sedimentation tank and the clean water tank for disinfection are all set as concrete tanks;

the sludge tank is communicated with the sedimentation tank and the A-level biological tank at the same time and is used for returning part of sludge in the sedimentation tank to the A-level biological tank, and sucking and transporting the other part of sludge to the sludge tank regularly after digestion;

the sludge tank is a concrete tank;

be equipped with liquid level control ware in the equalizing basin, liquid level control ware includes liquid level induction element and liquid level control unit, liquid level induction element arranges in the equalizing basin for the response the liquid level of equalizing basin, it with the liquid level control unit electricity is connected, the liquid level control unit electricity is connected the water inlet and the elevator pump of equalizing basin.

2. The assembled merchant concrete sewage treatment plant of claim 1 wherein the grid well is provided as a brick concrete structure and the conditioning tank is provided as a concrete structure.

3. The assembled commercial concrete sewage treatment equipment according to claim 1 or 2, wherein a biological elastic filler is arranged in the A-level biological tank, and an elastic three-dimensional combined filler is arranged in the O-level biological tank.