CN216972119U

CN216972119U - Black and odorous water biochemical treatment device

Info

Publication number: CN216972119U
Application number: CN202121417685.1U
Authority: CN
Inventors: 霍婷婷; 万秋月; 曹超; 刘孟清; 张津语; 万雨涵
Original assignee: Sichuan Runhao Environmental Technology Co ltd; Southwest University of Science and Technology
Current assignee: Sichuan Runhao Environmental Technology Co ltd; Southwest University of Science and Technology
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-07-15
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a black and odorous water biochemical treatment device, belongs to the technical field of sewage treatment, and aims to provide the black and odorous water biochemical treatment device which solves the problem of high energy consumption of an existing biological aerated filter. The device comprises a device body, a water inlet and distribution device, a biofilm group unit, a water outlet and a ventilation opening. The black and odorous water automatically flows or is lifted to a water inlet of the device, water is uniformly distributed in the water inlet and distribution device, water drop reoxygenation is carried out through gravity flow, biochemical treatment and reoxygenation are carried out by flowing through a plurality of biomembrane group units step by step, and finally the black and odorous water is discharged through a water outlet. This device is through the multistage drop reoxygenation of gravity flow, need not other aeration measures, has solved the energy consumption problem that traditional aeration biological filter need use power reoxygenation such as fan, and the pollutant obtains purifying through the biofilm full contact mass transfer with biofilm on biofilm carrier surface in the sewage simultaneously, can be used to the dystopy emergency treatment of black and odorous water. The utility model is suitable for biochemical treatment of black and odorous water.

Description

Black and odorous water biochemical treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a biochemical treatment device for a black and odorous water body.

Background

With the rapid development of economy and the acceleration of urbanization process, the problems of water quality pollution and ecological degradation of many urban rivers in China are prominent, the content of oxygen-consuming organic pollutants and nitrogen-phosphorus nutrient salts is high, and even the phenomena of black and odorous water bodies and black moss outbreak appear seasonally and perennially. The black and odorous water body is a comprehensive sense of the water body through vision and smell, and generally refers to the water body which emits pungent, fishy and nausea smells, is black or blackish and loses ecological functions. The black and odorous water body is an extreme expression of organic matter pollution of the water body, the water body is in an anaerobic state, spoilage bacteria breed, the physicochemical property of the water body is strong reducibility, the water body is not suitable for aquatic organisms to live, aquatic vegetation is degraded or even died, and phytoplankton, zooplankton and benthonic animals only have a small amount of pollution-resistant seeds. Food chain breakage, food net support breakage, serious unbalance of ecological device structure, and serious degradation and even loss of function.

Physical and chemical treatment methods, such as magnetic coagulation and other technologies, can quickly and effectively remove suspended matters, phosphorus and other pollutants in the black and odorous water body; the traditional biological strengthening treatment such as ecological floating island and biological agent addition has certain effect on removing organic pollutants and nitrogen in black and odorous water, but the biological strengthening treatment period is long, the effect is slow, the influence of climatic temperature environment is large, and seasonal repetition is easy to occur in high-latitude areas; in recent years, the biological aerated filter is used for treating black and odorous water bodies due to strong impact load resistance and high pollutant removal load, and organic matters, nitrogen, phosphorus and other pollutants in the black and odorous water bodies can be quickly and effectively removed through ectopic treatment of the biological aerated filter, but the traditional biological aerated filter needs fan aeration and timed backwashing, and has the defects of high energy consumption and the like.

The utility model enhances the removal effect of the device on pollutants such as COD, ammonia nitrogen, total phosphorus and the like by improving the traditional aeration biological filter tank, adopting multi-stage drop reaeration and enhancing the load removal and reaeration capability of the device by preferably combining filter materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: provides a biochemical treatment device for black and odorous water, which solves the problem of high energy consumption of the existing biological aerated filter.

The technical scheme adopted by the utility model is as follows:

a biochemical treatment device for black and odorous water comprises a device body, wherein a plurality of groups of biomembrane group units are arranged in the device body along the height direction of the device body and are alternately arranged along the inner side walls of two sides of the device body, a water inlet is communicated on the outer side wall of one side of the upper part of the device body, a water outlet is communicated on the outer side wall of the other side of the lower part of the device body, a water inlet distribution mechanism is also arranged above the biomembrane group units in the device body, each biomembrane group unit comprises a connecting plate connected with the inner side wall of one side of the device body, a drop weir is arranged on the same side of the device body above the connecting plate, a water falling port is left between the connecting plate and the inner side wall of the other side of the device body, biological filler is arranged on the lower side of the connecting plate and is provided with a perforated water passing plate by keeping away from one side of the water falling port, the perforation water passing plate is vertically connected onto the connecting plate, the perforation water passing plate and the side wall of the device body are enclosed into an integrated water distribution tank, and the water distribution tank end of the biofilm group unit at the top is located below the water inlet and distribution mechanism of the water inlet and distribution mechanism.

Furthermore, a ventilation opening is arranged on the side wall of the device body close to one side of the water falling opening.

Furthermore, a filter screen is installed on the ventilation opening.

Further, the filler height of the biological filler is not more than 30 cm.

Further, the biological filler is a plurality of fillers, and the fillers are longitudinally distributed according to gradation.

Further, the biological filler is a single filler.

Further, the water falling weir is one of a triangular weir, a trapezoidal weir and a rectangular weir.

Furthermore, the device body is made of steel corrosion-resistant, brick-concrete or steel-concrete structures.

Further, the vertical interval between two adjacent groups of biofilm group units is not less than 20 cm.

Further, water distribution mechanism advances includes weir trough and weir plate, the weir plate is one of triangle weir, trapezoidal weir, rectangle weir.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, through improving the traditional biological aerated filter, by adopting technical means of arranging drop weirs, water collecting and distributing grooves and the like at intervals, gravity flow multistage drop reoxygenation is realized, meanwhile, the black and odorous water body is in full contact with a biological membrane on the surface of a preferably combined biological filler for mass transfer, and the removal effect of pollutants such as COD (chemical oxygen demand), ammonia nitrogen, total phosphorus and the like in the black and odorous water body is enhanced. The device can be used together with pretreatment processes such as magnetic coagulation and high-efficiency filters, black odorous water subjected to high-efficiency coagulation or filtration pretreatment such as magnetic coagulation flows automatically or is lifted to the water inlet of the device, and after ammonia nitrogen, organic matters and phosphorus pollutants are removed through biological treatment of the device, the emergency treatment of peculiar smell of the black odorous water can be realized.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

FIG. 1 is a schematic structural view of a front view cross section of the present invention;

FIG. 2 is a schematic side view of the present invention;

the labels in the figure are: 1-device body, 2-water inlet, 3-water inlet and distribution mechanism, 301-weir plate, 302-weir groove, 4-biofilm group unit, 401-biological filler, 402-perforated water passing plate, 403-water falling weir, 404-water collecting and distributing groove, 5-water outlet, 6-air vent, 7-water falling port and 8-connecting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: reference numerals and letters designate similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are merely used for simplifying the description of the present invention, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; mechanical connection or electrical connection can be realized; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the two original pieces can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, a filter screen is installed on the ventilation opening.

Further, the filler height of the biological filler is not more than 30 cm.

Further, the biological filler is a single filler.

In the implementation process of the utility model, the device body is made of carbon steel anticorrosive material, the weir plate of the water inlet and distribution mechanism is a triangular weir, five groups of biomembrane group units are adopted, the vertical interval of each group of biomembrane group unit is 30cm, the biological filler is polyurethane foam filler and biological ceramsite, the height of a single group of filler layer is 15cm, the water falling weir is a triangular weir, the vent is positioned on the side wall of the device body close to the side of the water falling port, the five groups are provided, the filter screen is arranged on the vent, and the total height of the device is 3.5 m. Black and odorous water is originally internal through the water inlet entering device, fall into the collection distribution tank of the biomembrane group unit at top after water distribution mechanism carries out even water distribution through intaking, and carry out abundant contact mass transfer through the biomembrane that perforates water board and biofilm carrier surface, detach the organic matter in the black and odorous water, nitrogen, pollutants such as phosphorus, rise along with the water level, the black and odorous water who purifies flows out from the waterfall through the falling weir and gets into the collection distribution tank of next group biomembrane group unit from the outfall and carry out the retreatment, because biomembrane group unit sets up along the inside wall of device body both sides in turn, the effectual flow path that has increased black and odorous water, it carries out multistage drop reoxygenation to have ensured black and odorous water, water accessible delivery port discharge after multiunit biomembrane group handles.

The device can be combined with a magnetic coagulation process to treat the local black and odorous water body of a river or a pond, the black and odorous water body after suspended matters and phosphorus are removed through magnetic coagulation pretreatment flows automatically or is lifted to the water inlet of the device, then the black and odorous water body is treated emergently, pollutants such as organic matters, nitrogen, phosphorus and the like in the black and odorous water body can be effectively removed, the water quality of the water body is improved, the water quality reaches the standard in a short time, and the treated water body is not smelly and blackish again under the condition that no new pollution source flows in, so that the problem of black and odorous water body is fundamentally solved. Meanwhile, the traditional aeration means is not needed, the gravity flow multistage drop water reoxygenation is adopted, no medicament is added during use, no secondary pollution is caused, backwashing is not needed, the energy consumption is low, other aeration and backwashing power consumption costs are not needed, the sewage treatment cost is low, and the problem of high energy consumption caused by the fact that the traditional aeration biological filter needs to use a fan and other power reoxygenation is effectively solved.

The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in the preferred embodiments can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the embodiments and examples are only for the purpose of clearly showing the verification process of the utility model and are not intended to limit the patent protection scope of the present invention, which is subject to the claims and all the equivalent structural changes made by the content of the description and the drawings of the present invention are also included in the protection scope of the present invention.

Claims

1. The utility model provides a biochemical treatment device for black and odorous water, which is characterized in that, includes device body (1), be provided with a plurality of groups biofilm group unit (4) and biofilm group unit (4) along the inside wall in device body (1) both sides in device body (1) along device body (1) direction of height in (1) in turn set up, the intercommunication has water inlet (2) on the lateral wall of device body (1) upper portion one side, the intercommunication has delivery port (5) on the lateral wall of device body (1) lower part opposite side, it still is provided with into water distribution mechanism (3) to lie in biofilm group unit (4) top in device body (1), biofilm group unit (4) are including connecting plate (8) of connecting in device body (1) one side inside wall, device body (1) lie in connecting plate (8) top homonymy and are provided with fall weir (403), leave between connecting plate (8) and drop weir (403) and device body (1) opposite side inside wall and fall into water mouth (7), lie in drop weir (403) downside on the connecting plate and install biofilm carrier (401), biofilm carrier (401) are by keeping away from water mouth (7) one side and are provided with to perforate and cross water board (402), perforate and cross water board (402) vertical connection on connecting plate (8), perforate and cross water board (402), device body (1) lateral wall and enclose synthetic collection distribution water tank (404), and collection distribution water tank (404) end of the biofilm group unit (4) at top is located into water distribution mechanism (3) and advances water mechanism (3) below.

2. The biochemical treatment device for the black and odorous water body according to claim 1, wherein a vent (6) is installed on a side wall of the device body (1) near one side of the water falling port (7).

3. The biochemical treatment apparatus for a black and odorous water body according to claim 2, wherein a filter screen is installed on the ventilation opening (6).

4. The biochemical treatment apparatus for a black and odorous water body according to claim 1, wherein the biological filler (401) has a filler height of not more than 30 cm.

5. The biochemical treatment device for the black and odorous water body, according to claim 4, is characterized in that the biological filler (401) is a plurality of fillers, and the plurality of fillers are distributed longitudinally according to gradation.

6. The biochemical treatment device for the black and odorous water body according to claim 4, wherein the biological filler (401) is a single filler.

7. The biochemical treatment apparatus for a black and odorous water body according to claim 1, wherein the water falling weir (403) is one of a triangular weir, a trapezoidal weir and a rectangular weir.

8. The biochemical treatment device for the black and odorous water body according to claim 1, wherein the device body (1) is made of steel corrosion-resistant, brick-concrete or steel-concrete structure.

9. The biochemical treatment device for the black and odorous water body according to claim 1, wherein the vertical interval between two adjacent groups of the biofilm unit units (4) is not less than 20 cm.

10. The biochemical treatment device for the black and odorous water body according to claim 1, wherein the water inlet and distribution mechanism (3) comprises a weir trough (302) and a weir plate (301), and the weir plate (301) is one of a triangular weir, a trapezoidal weir and a rectangular weir.