CN219363432U

CN219363432U - Domestic sewage treatment device

Info

Publication number: CN219363432U
Application number: CN202223280120.0U
Authority: CN
Inventors: 邵晓光; 邵楠; 洪庆松
Original assignee: Jiangxi Nerin Equipment Co Ltd; China Nerin Engineering Co Ltd
Current assignee: Jiangxi Nerin Equipment Co Ltd; China Nerin Engineering Co Ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-07-18
Anticipated expiration: 2032-12-07

Abstract

The utility model provides a domestic sewage treatment device which comprises a treatment tank, a water inlet connected with the head end of the treatment tank and a water outlet connected with the tail end of the treatment tank, wherein the treatment tank comprises a primary sedimentation zone, an anaerobic zone, an aerobic zone and a sedimentation zone which are arranged separately by a plurality of partition boards, the bottom end of the primary sedimentation zone is provided with a first channel communicated with the anaerobic zone, the top end of the anaerobic zone is provided with a second channel communicated with the aerobic zone, the bottom of the aerobic zone is provided with a third channel communicated with the sedimentation zone, the water outlet is communicated with the top of the sedimentation zone, the water outlet is lower than the water inlet, sewage flows up and down alternately in each zone after entering the treatment tank, so that the sewage in the whole treatment tank is fully treated.

Description

Domestic sewage treatment device

Technical Field

The utility model relates to the field of sewage treatment, in particular to a domestic sewage treatment device.

Background

In order to better construct beautiful villages, the treatment of rural domestic sewage is an important ring.

Although in our country, rural sewage treatment facilities have not yet achieved full coverage. However, in the future new rural construction, rural sewage treatment facilities must become standard, and the discharge after domestic sewage treatment or centralized treatment is a trend. In developed countries, the purification tanks have already matured for use in rural domestic sewage treatment. Domestic sewage treatment technology in China is the earliest leading one from Japan. However, due to the differences between social environment and usage habits, there are many problems in directly applying the foreign technology to China. At present, domestic development on domestic sewage treatment tanks also progresses faster. Through analysis, the present sewage treatment tank is generally composed of an upper shell and a lower shell which are divided in half, the liquid surface line in the treatment tank is higher than the connecting surface of the upper shell and the lower shell, sewage leakage is easy to be caused, and the sewage can be discharged into the treatment tank after pretreatment, for example: the toilet flushing water is required to be treated by the septic tank and then is sent into the treatment tank, so that the toilet flushing water is inconvenient to use.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art, provides a domestic sewage treatment device, and aims to solve the problems in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the domestic sewage treatment device comprises a treatment tank, a water inlet connected with the head end of the treatment tank, and a water outlet connected with the tail end of the treatment tank, wherein the treatment tank comprises a primary sedimentation zone, an anaerobic zone, an aerobic zone and a sedimentation zone which are separated by a plurality of partition boards, the bottom end of the primary sedimentation zone is provided with a first channel communicated with the anaerobic zone, the top end of the anaerobic zone is provided with a second channel communicated with the aerobic zone, the bottom of the aerobic zone is provided with a third channel communicated with the sedimentation zone, the water outlet is communicated with the top of the sedimentation zone, and the water outlet is lower than the water inlet; the treatment tank comprises an upper shell and a lower shell, the upper shell is higher than the water inlet, and the lower shell is connected with the upper shell through a sealant layer; the treatment tank further comprises a filtering area, wherein the filtering area is arranged outside the top of the head end of the treatment tank in an extending mode, and the filtering area is arranged between the water inlet and the primary sedimentation area in a communicating mode.

The beneficial effects of the utility model are as follows: the sewage is received by the water inlet, large impurities are intercepted by the filtering area and then enter the primary sedimentation area, the sewage is different from the prior art in that the sewage is not required to be pretreated and is directly discharged into the treatment device, the primary sedimentation area and the anaerobic area are separated by the partition plate, the sewage flows to the anaerobic area through the first channel below the primary sedimentation area, the anaerobic area and the aerobic area are separated by the partition plate, the sewage flows to the aerobic area through the second channel above the anaerobic area, the aerobic area and the sedimentation area are separated by the partition plate, and the sewage flows to the sedimentation area from the third channel below the aerobic area, so that the sewage flows up and down alternately after entering the treatment tank, the sewage in the whole treatment tank is ensured to be fully treated, the lower shell is connected with the upper shell through the sealing glue layer, the connecting surface is higher than the liquid level, the sewage leakage can be prevented from polluting, the structure is simple, the production cost of the device is low, the wide popularization and the use cost is low, the construction cost is simple, and the construction cost is low.

Further, the filter basket is arranged in the filter area and is used for intercepting large impurities, and the filter basket cleaning hole covers are correspondingly arranged above the filter area and are used for regularly cleaning the large impurities in the filter basket.

Further, grating plates are transversely arranged in the anaerobic zone and the aerobic zone, anaerobic fillers and aerobic fillers are respectively arranged on the two sides of the grating plates, anaerobic bacteria and aerobic bacteria can be respectively and automatically cultured on the anaerobic fillers and the aerobic fillers after the anaerobic fillers and the aerobic fillers are put into use for a period of time, and organic matters in water are decomposed through the anaerobic bacteria and the aerobic bacteria so as to meet the emission requirement.

Further, an aeration pipe is arranged in the aerobic zone, the aeration pipe is communicated with the aerobic zone and the outside, the aeration pipe is arranged in the aerobic zone, an air inlet pipe of the aeration pipe is connected with air pumped by an air pump, and redundant air is discharged from an aeration air outlet pipe at the lower part.

Further, a water collecting tank is arranged at the position corresponding to the inner end of the water outlet in the sedimentation area, the inner end of the water outlet is communicated with the water collecting tank, water in the sedimentation area flows into the water collecting tank from the top of the water collecting tank before being discharged from the water outlet, water above the water collecting tank can be smoothly discharged after flowing out from the water outlet, the sedimentation effect of the sedimentation area is enhanced, and the top of the water collecting tank is lower than the water inlet.

Further, a maintenance hole cover is arranged on the upper shell, and the maintenance hole cover is convenient for checking and cleaning the inside of the processing groove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a cross-sectional structure of a lower housing of a purification tank according to an embodiment of the present utility model.

Fig. 2 is a schematic top view of an apparatus according to an embodiment of the utility model.

Fig. 3 is a schematic cross-sectional view of a water collection tank according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a device structure according to an embodiment of the present utility model.

Wherein: 10 is a treatment tank, 101 is a primary sedimentation zone, 1011 is a first channel, 102 is an anaerobic zone, 1021 is a second channel, 103 is an aerobic zone, 1031 is a third channel, 104 is a sedimentation zone, 105 is a water collecting tank, 106 is an upper shell, 1061 is a maintenance hole cover, 107 is a lower shell, 108 is a filtering zone, 1081 is a filtering basket cleaning hole cover, 109 is a partition plate, 20 is a water outlet, 30 is a water inlet, 40 is an aerobic packing, 50 is a filtering basket, 60 is an anaerobic packing, 70 is a grating plate, and 80 is an aerator pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The present utility model will be described in further detail with reference to the accompanying drawings.

1-4, including the treatment tank 10, with the water inlet 30 that the head end of the said treatment tank 10 connects, and with the water outlet 20 that the said treatment tank 10 connects, the concrete body of the treatment tank 10 can be made with materials such as glass steel, FRP and PE, the main domestic sewage that the family kitchen, bathes and washes the toilet produces enters the treatment tank 10 through the water inlet 30, the said treatment tank 10 includes the primary sedimentation area 101, anaerobic area 102, aerobics area 103 and sedimentation area 104 that are disposed separately by several baffles 109, the said primary sedimentation area 101 bottom has first channel 1011 communicating with said anaerobic area 102, the said anaerobic area 102 top has second channel 1021 communicating with aerobics area 103, the said aerobics area 103 bottom has third channel 1031 communicating with sedimentation area 104, the said water outlet 20 communicates with the top of the said sedimentation area 104, the said water outlet 20 is lower than the said water inlet 30, concrete, the water outlet 20 is higher than the water inlet 30, the sewage can flow to the outlet by oneself after entering the treatment tank 10; the treatment tank 10 further comprises a filtering area 108, wherein the filtering area 108 is arranged outside the top of the head end of the treatment tank 10 in an extending way, and the filtering area 108 is arranged between the water inlet 30 and the primary sedimentation area 101 in a communicating way; the treatment tank 10 comprises an upper shell 106 and a lower shell 107, wherein the lower shell 107 is connected with the upper shell 106 through a sealant layer, and the connection surface is lower than the liquid level, so that pollution caused by sewage leakage can be prevented; the upper housing 106 is higher than the water inlet 30, and a maintenance hole cover 1061 is disposed on the upper housing 106, specifically, in this embodiment, 2 maintenance hole covers 1061 are disposed, it will be understood that in other embodiments, 1, 3, 4 different maintenance hole covers 1061 may be disposed as needed, so as to facilitate inspection and cleaning of the interior of the processing tank 10.

In a specific implementation, a filter basket 20 is disposed in the filter area 108, the filter basket 20 is used for intercepting large impurities, and a filter basket cleaning hole cover 1081 is correspondingly disposed above the filter area 108 and is used for periodically cleaning the large impurities in the filter basket 20.

In specific implementation, grating plates 70 are transversely arranged in the anaerobic zone 102 and the aerobic zone 103, anaerobic fillers 60 and aerobic fillers 40 are respectively arranged on the grating plates 70 at two sides, after the anaerobic fillers 60 and the aerobic fillers 40 are put into use for the first time, anaerobic bacteria and aerobic bacteria can be respectively and automatically cultured on the anaerobic fillers 60 and the aerobic fillers 40, and the anaerobic bacteria attached to the anaerobic fillers 60 arranged on the grating plates 70 in the anaerobic zone 102 decompose large organic matters in water, and sewage subjected to anaerobic treatment flows into the aerobic zone 103 from the upper layer; the aerobic zone 103 is provided with an aeration pipe 80, the air inlet pipe of the aeration pipe 80 is connected with air pumped by an air pump, redundant air is discharged from the aeration air outlet pipe at the lower part, and the air entering the aerobic zone 103 is helpful for decomposing small molecular organic matters in water by aerobic bacteria attached to the aerobic filler 40, and the organic matters in water are decomposed by the anaerobic bacteria 60 and the aerobic bacteria 40 so as to meet the discharge requirement.

In specific implementation, the water collecting tank 105 is disposed in the sedimentation area 104 at a position corresponding to the inner end of the water outlet, the inner end of the water outlet 20 is connected with the water collecting tank 105, water in the sedimentation area 104 flows into the water collecting tank 105 from the top of the water collecting tank 105 before being discharged from the water outlet 20, and water above the water collecting tank 105 can be smoothly discharged after flowing out from the water outlet 20, so that the sedimentation effect of the sedimentation area 104 is enhanced, and the top of the water collecting tank 105 is lower than the water inlet 30.

The beneficial effects of the utility model are as follows: the sewage is received by the water inlet 30, is intercepted by the filtering area 108 and enters the primary sedimentation area 101, and the sewage is directly discharged into the treatment device without pretreatment, wherein the primary sedimentation area 101 and the anaerobic area 102 are separated by the partition 109, the sewage flows to the anaerobic area 102 through the first channel flow 1011 below the primary sedimentation area 101, the anaerobic area 102 and the aerobic area 103 are separated by the partition 109, the sewage flows to the aerobic area 103 through the second channel 1021 above the anaerobic area 102, the aerobic area 103 and the sedimentation area 104 are separated by the partition 109, and the sewage flows to the sedimentation area 104 from the third channel 1031 below the aerobic area 103, so that the sewage flows alternately up and down in each area after entering the treatment tank, the sewage treatment in the whole treatment tank is ensured to be sufficient, the lower shell 107 is connected with the upper shell 106 through the sealing glue layer, the connecting surface is higher than the liquid level, the sewage leakage can be prevented from polluting, the structure is simple, the device has low production cost, and is beneficial to large-scale use, the use cost is low, the construction cost is simple, the sewage treatment tank can be provided for a plurality of families, and the domestic sewage treatment tank can be used together with a plurality of families. The treatment tank can be applied to the treatment of domestic sewage in families, and can also treat sewage generated by small hotels, farmhouses, etc.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a domestic sewage treatment device, including the treatment tank, with the water inlet that the treatment tank head end is connected, and with the delivery port of treatment tank tail end connection, its characterized in that: the treatment tank comprises a primary sedimentation zone, an anaerobic zone, an aerobic zone and a sedimentation zone which are separated by a plurality of partition boards, wherein the bottom end of the primary sedimentation zone is provided with a first channel communicated with the anaerobic zone, the top end of the anaerobic zone is provided with a second channel communicated with the aerobic zone, the bottom of the aerobic zone is provided with a third channel communicated with the sedimentation zone, the water outlet is communicated with the top of the sedimentation zone, and the water outlet is lower than the water inlet; the treatment tank comprises an upper shell and a lower shell, the upper shell is higher than the water inlet, and the lower shell is connected with the upper shell through a sealant layer; the treatment tank further comprises a filtering area, wherein the filtering area is arranged outside the top of the head end of the treatment tank in an extending mode, and the filtering area is arranged between the water inlet and the primary sedimentation area in a communicating mode.

2. A domestic sewage treatment apparatus according to claim 1, wherein: the filter basket is arranged in the filter area, and a filter basket cleaning hole cover is correspondingly arranged above the filter area.

3. A domestic sewage treatment apparatus according to claim 1, wherein: grating plates are transversely arranged in the anaerobic zone and the aerobic zone, and anaerobic fillers and aerobic fillers are respectively arranged on the grating plates at two sides.

4. A domestic sewage treatment apparatus according to claim 3, wherein: an aeration pipe is arranged in the aerobic zone, and the aeration pipe is communicated with the aerobic zone and the outside.

5. A domestic sewage treatment apparatus according to claim 1, wherein: a water collecting tank is arranged in the sedimentation area at the position corresponding to the inner end of the water outlet, the inner end of the water outlet is communicated with the water collecting tank, and the top of the water collecting tank is lower than the water inlet.

6. A domestic sewage treatment apparatus according to claim 1, wherein: and a maintenance hole cover is arranged on the upper shell.