CN213924413U

CN213924413U - IV-class water body discharge standard domestic sewage treatment integrated equipment

Info

Publication number: CN213924413U
Application number: CN202022477362.3U
Authority: CN
Inventors: 张亚文; 黄日熙; 曾海涛
Original assignee: Guangxi Boyatao Environmental Protection Technology Co ltd
Current assignee: Guangxi Boyatao Environmental Protection Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-10
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a IV-class water body emission standard domestic sewage treatment integrated equipment, which comprises a biochemical area, a coagulating sedimentation tank, a continuous flow sand filter tank and a clean water tank, wherein the biochemical area comprises a clarification area, the coagulating sedimentation tank comprises a coagulating tank, a flocculation tank, a water distribution tank and an inclined tube sedimentation tank, the clarification area is communicated with the overflow of the coagulating tank, the inclined tube sedimentation tank is connected with a liquid inlet of the continuous flow sand filter tank, a liquid outlet of the continuous flow sand filter tank is connected with the clean water tank, and through scientific and reasonable design and optimization, the sewage can reach the emission standard of IV-class water after being treated; the device is simple to manage and convenient to maintain, and is suitable for rural domestic sewage treatment.

Description

IV-class water body discharge standard domestic sewage treatment integrated equipment

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a IV class water emission standard treatment of domestic sewage integration equipment.

Background

With the improvement of the quality of life, the environmental protection requirement is also improved, the discharge amount of the domestic sewage is increasingly increased, and the treatment of the rural domestic sewage becomes important. The low carbon-nitrogen ratio of rural sewage in China is characterized remarkably, the utilization efficiency of a carbon source in sewage is low by a conventional biological denitrification process, the total nitrogen reaches the standard and needs to be added by an external carbon source, and the problem of high stable operation cost exists. In addition, the concentration of the organic matters in the rural sewage inlet water is too low, the fluctuation of the water quality and the water quantity is large, and the traditional process design cannot be stably operated in the actual operation process; and the existing system is complex and occupies large area.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a treatment effect is good, and stability is good, and the low IV class water emission standard treatment of domestic sewage integration equipment of running cost.

In order to achieve the above purpose, the utility model adopts the following scheme: the utility model provides a IV class water body emission standard treatment of domestic sewage integration equipment, is including biochemical district, coagulating sedimentation pond, the husky filtering pond of continuous flow and clean water basin, biochemical district is including clarification district, coagulating sedimentation pond, flocculation basin, distribution tank and pipe chute sedimentation pond, clarification district and coagulating sedimentation pond overflow intercommunication, the pipe chute sedimentation pond is connected with the inlet in the husky filtering pond of continuous flow, the liquid outlet in the husky filtering pond of continuous flow is connected with the clean water basin.

Further, a liquid outlet of the continuous flow sand filter is connected with a clean water tank through a pipeline type ultraviolet sterilizer.

Furthermore, an aeration device is arranged in the biochemical area, and the aeration device adopts a microporous aeration pipe.

Furthermore, a valve is arranged at the bottom end of the clean water tank.

Furthermore, a dosing device is also arranged above the coagulating sedimentation tank.

Further, stirring devices are arranged in the coagulation tank and the flocculation tank.

To sum up, the utility model discloses for its beneficial effect of prior art is: through scientific and reasonable design and optimization, the sewage can reach the discharge standard of IV-class water after being treated; the device is simple to manage and convenient to maintain, and is suitable for rural domestic sewage treatment.

Drawings

Fig. 1 is a schematic plan view of the present invention.

Fig. 2 is a schematic cross-sectional view of the present invention.

Description of reference numerals: 1. a biochemical region; 2. a coagulating sedimentation tank; 3. a continuous flow sand filter; 4. a clean water tank; 5. a clarification zone; 6. a coagulation tank; 7. a flocculation tank; 8. a water distribution tank; 9. an inclined tube sedimentation tank; 41. and (4) a valve.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings: as shown in fig. 1 to 2, an integrated device for treating domestic sewage according to a class IV water body discharge standard comprises a biochemical region 1, a coagulation sedimentation tank 2, a continuous flow sand filter tank 3 and a clean water tank 4, wherein the biochemical region 1 comprises a clarification region 5, the coagulation sedimentation tank 2 comprises a coagulation tank 6, a flocculation tank 7, a water distribution tank 8 and an inclined tube sedimentation tank 9, the clarification region 5 is in overflow communication with the coagulation tank 6, the inclined tube sedimentation tank 9 is connected with a liquid inlet of the continuous flow sand filter tank 3, and a liquid outlet of the continuous flow sand filter tank 3 is connected with the clean water tank 4, so that the sewage can reach the discharge standard of class IV water after being treated through scientific and reasonable design and optimization according to the structure; the device is simple to manage and convenient to maintain, and is suitable for rural domestic sewage treatment.

In the utility model, the liquid outlet of the continuous flow sand filter 3 is connected with the clean water tank 4 through the pipeline type ultraviolet sterilizer.

The utility model discloses, biochemical district 1 is equipped with aeration equipment, aeration equipment adopts micropore aeration pipe.

The utility model discloses in 4 bottoms in clean water basin are equipped with valve 41, and quality of water is discharged outside the equipment through opening valve 41 after detecting up to standard.

The utility model discloses in 2 tops in coagulating sedimentation pond still are equipped with charge device, charge device is the prior art of current conventionality usefulness.

The utility model discloses in all be equipped with agitating unit in coagulating basin 6 and the flocculation basin 7, agitating unit is the prior art of current conventionality usefulness.

The utility model discloses a theory of operation: after being collected, sewage is lifted to the biochemical area 1 by a water pump, a micropore aeration system at the bottom of the biochemical area 1 provides oxygen for microorganisms, organic matters in the sewage are degraded into carbon dioxide and water by utilizing the metabolism of the microorganisms, meanwhile, ammonia nitrogen in the sewage is converted into nitrate nitrogen by utilizing nitrobacteria, and when the micropore aeration system stops aeration, the nitrate nitrogen in the sewage is converted into nitrogen by utilizing denitrifying bacteria. The mixed liquid in the biochemical zone 1 enters a clarification zone 5 at the bottom for solid-liquid separation, the supernatant overflows to a coagulating sedimentation tank 2 through a water outlet pipe, meanwhile, a chemical is added into a coagulation tank 6 and a flocculation tank 7 by a chemical adding device (not shown in the attached drawing), and the mixture is stirred by a stirring device which is a paddle type stirrer, so that the sewage and the chemical are fully and uniformly mixed; the mixed liquor overflows to an inclined tube sedimentation tank 9 for solid-liquid separation, chemical sludge sinks to a mud bucket and is discharged outside the system, supernatant enters a continuous flow sand filter 3, on the basis of the counter-current principle, inflow water enters the continuous flow sand system through a water distribution pipe at the bottom of the equipment, and overflows from a top effluent weir after being filtered by a sand bed; impurities trapped on the sand bed during filtration are aerodynamically transported to a sand washer at the top of the filter, and contaminants are separated from the sand surface by mechanical friction and turbulence; the water outlet end of the continuous flow sand filter 3 is disinfected by a pipeline type ultraviolet disinfector in one step and then flows to a clean water tank 4, and the water quality is discharged outside the equipment after reaching the standard through detection.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a IV class water body emission standard treatment of domestic sewage integration equipment which characterized in that: including biochemical zone (1), coagulating sedimentation pond (2), the husky filtering pond of continuous flow (3) and clean water basin (4), biochemical zone (1) is including clarification district (5), coagulating sedimentation pond (2) are including coagulating basin (6), flocculation basin (7), join in marriage basin (8) and pipe chute sedimentation tank (9), clarification district (5) and coagulating basin (6) overflow intercommunication, pipe chute sedimentation tank (9) are connected with the inlet of the husky filtering pond of continuous flow (3), the liquid outlet and the clean water basin (4) of the husky filtering pond of continuous flow (3) are connected.

2. The integrated equipment for treating domestic sewage according to the class IV water body discharge standard of claim 1, wherein: the liquid outlet of the continuous flow sand filter (3) is connected with the clean water tank (4) through a pipeline type ultraviolet sterilizer.

3. The integrated equipment for treating domestic sewage according to the class IV water body discharge standard of claim 1, wherein: an aeration device is arranged in the biochemical area (1), and the aeration device adopts a microporous aeration pipe.

4. The integrated equipment for treating domestic sewage according to the class IV water body discharge standard of claim 1, wherein: and a valve (41) is arranged at the bottom end of the clean water tank (4).

5. The integrated equipment for treating domestic sewage according to the class IV water body discharge standard of claim 1, wherein: a dosing device is also arranged above the coagulating sedimentation tank (2).

6. The integrated equipment for treating domestic sewage according to the class IV water body discharge standard of claim 1, wherein: and stirring devices are arranged in the coagulation tank (6) and the flocculation tank (7).