CN211445428U - Sewage outlet in-situ treatment device - Google Patents

Abstract

The utility model relates to a drain in-situ treatment device, which comprises a treatment dam wall arranged at the drain, wherein the treatment dam wall consists of three filter walls, each filter wall comprises an inner wall surface and an outer wall surface, the surfaces of the two wall surfaces are provided with a screen, a separation screen is arranged between the inner wall surface and the outer wall surface, a cavity between the inner wall surface and the separation screen is filled with crushed stone, and a cavity between the separation screen and the outer wall surface is filled with zeolite; the three-face filter wall and the river channel where the sewage discharge outlet is located jointly form an in-situ treatment area, the in-situ treatment area is provided with a grid intercepting area and a biological filler area, the biological filler area comprises a plurality of filler boxes connected in series, and biological fillers capable of degrading pollutants are filled in the filler boxes. The device realizes carrying out the normal position to the drain that does not intercept dirty through the cooperation of three clean system of grid entrapment district, biofilm carrier district and filter wall and handles, reduces the influence of drain to the quality of discharging into the waters.

Description

Sewage outlet in-situ treatment device

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to drain normal position processing apparatus.

Background

The black and odorous water body is a serious water pollution phenomenon, so that the water body loses the self-purification function and influences the ecological environment and the human health. The black and odorous water is formed because organic pollutants are subjected to chemical, physical and biological actions under the anoxic or anaerobic condition. At present, the method generally adopted for treating the black and odorous water body comprises source control and sewage interception, running water circulation, water purification, ecological restoration and the like, and the source control and sewage interception is the basis and the premise of selecting other technical types. However, municipal sewage interception engineering is a difficult, long, expensive and complex project, especially for old urban areas, suburban junctions and cities with poor economic conditions. In a short time, the comprehensive sewage interception of rivers, lakes and other water areas is difficult to realize in the areas. Therefore, to effectively treat the river pollution, the sewage draining exit without sewage interception needs to be treated in situ, so that the influence of the sewage draining exit on the water area is reduced or eliminated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a drain normal position processing apparatus, the device intercept district, biofilm carrier district and filter wall's cooperation through the grid and realize carrying out the normal position to the drain that does not intercept dirty and handle, reduce the influence of drain to the waters quality of discharging into.

The technical scheme of the utility model is that: a sewage draining outlet in-situ treatment device comprises a treatment dam wall arranged at a sewage draining outlet, wherein the treatment dam wall consists of three filter walls, each filter wall comprises an inner wall surface and an outer wall surface, screen meshes are arranged on the surfaces of the two wall surfaces, a separation screen mesh is arranged between the inner wall surface and the outer wall surface, a cavity between the inner wall surface and the separation screen mesh is filled with crushed stone, and a cavity between the separation screen mesh and the outer wall surface is filled with zeolite; the three-face filter wall and the river channel where the sewage draining exit is located jointly form an in-situ treatment area, the in-situ treatment area is provided with a grid intercepting area and a biological filler area, the biological filler area comprises a plurality of filler boxes connected in series, and biological fillers capable of degrading pollutants are filled in the filler boxes.

Furthermore, the adjacent stuffing boxes and the filter wall are connected through cables, hard plastic pipes are sleeved on the cables, and the hard plastic pipes are sleeved on the cables in a penetrating mode, so that the space between the stuffing boxes can be ensured.

Further, the stuffing box includes the support, fixes the combination biofilm carrier in the support and fixes the flotation pontoon at the support top, the support is the cube support that the PVC pipe is constituteed, is located set up a plurality of openings aeration hole down on the PVC pipe of the bottom of support, the air pump gas-supply pipe with the PVC pipe is expert to can ventilate to in the aeration hole, the air pump gas-supply pipe is connected to the one end of flotation pontoon, and the aperture is seted up to the other end port and set up the check valve, and the setting of check valve can ensure that water physical stamina is discharged in by the flotation pontoon, but the water in river course can not get into in the flotation pontoon. The floating pontoon is filled with water before the biological stuffing box enters water, after the stuffing box is placed into the water, the biological stuffing box sinks to the bottom of the water, gas is filled into the floating pontoon by adjusting a valve on a gas conveying pipe, the water in the floating pontoon is discharged from a small hole, the buoyancy of the floating pontoon is increased, the depth of the stuffing box in the water is controlled, after the stuffing box reaches the required depth, the valve is closed, the floating pontoon is sealed under the action of a one-way valve, and the stuffing box is ensured to be at the fixed depth. The floating pontoon can make the stuffing box suspend below the water surface, can not cause the influence to river surface view and shipping. Meanwhile, the stuffing box integrates the aeration device and the box body, and is convenient to install and maintain.

Furthermore, the grid intercepting area is provided with a buffer area and a settling area communicated with the buffer area, a thick grid is arranged at an outlet of the buffer area, and a thin grid is arranged at an outlet of the settling area. The coarse grating can intercept larger floaters and suspended matters in the sewage; and the gaps of the fine grids are fine, so that suspended matters in the sewage precipitated in the precipitation zone can be intercepted.

Furthermore, the buffer area is formed by the coarse grating and a river channel where the sewage discharge outlet is located; the sedimentation zone is formed by the fine grid and a river channel where the sewage discharge outlet is located.

Furthermore, the device also comprises aquatic plants, and the aquatic plants are arranged above the grating intercepting area. The aquatic plant can be a floating plant or an emergent aquatic plant, and not only can absorb water pollutants to purify water, but also can beautify water surface landscapes.

Compared with the prior art, the utility model has the advantages of: intercepting large floating objects and suspended matters in the sewage by matching a coarse grating and a fine grating in a grating intercepting area so as to realize primary purification of the sewage; then, biological purification is carried out on the sewage by utilizing the biological fillers of the biological filler boxes connected in series so as to realize further purification; and finally, purifying the sewage by using a filter wall filled with crushed stones and zeolite, wherein gaps among the crushed stones are relatively large, so that more suspended particles are prevented from forming blockage, and the zeolite has better adsorption and ion exchange properties, relatively small particle size and deeper purification function. Generally, the device realizes carrying out the normal position processing to the drain that does not cut dirty through the cooperation of three clean system of grid entrapment district, biofilm carrier district and filter wall, reduces the influence of drain to the quality of discharging into the waters.

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 view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the stuffing box of the present invention;

wherein: 1-1, inner wall surface; 1-2, outer wall surface; 1-3, separating and blocking screen meshes; 1-4, crushing stones; 1-5, zeolite; 2. A grid entrapment zone; 2-1, coarse grating; 2-2, fine grids; 3. a bio-filler zone; 3-1, a stuffing box; 3-2, a bracket; 3-3, a buoy; 3-4, a one-way valve; 3-5, an air pump; 3-6, aeration holes; 3-7, aquatic plants; 3-8 and biological filler.

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 clearly and completely described 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 of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Embodiments of the present invention will be described below with reference to the accompanying drawings:

as shown in fig. 1-2, a sewage drain in-situ treatment device comprises a treatment dam wall arranged at a sewage drain, wherein the treatment dam wall is composed of three filter walls, each filter wall comprises an inner wall surface 1-1 and an outer wall surface 1-2, screen meshes are arranged on the surfaces of the two wall surfaces, a separation screen mesh 1-3 is arranged between the inner wall surface 1-1 and the outer wall surface 1-2, a cavity between the inner wall surface 1-1 and the separation screen mesh 1-3 is filled with crushed stone 1-4, and a cavity between the separation screen mesh 1-3 and the outer wall surface 1-2 is filled with zeolite 1-5; the three-face filter wall and a river channel where the sewage discharge outlet is located jointly form an in-situ treatment area, a grid interception area 2 and a biological filler area 3 are arranged in the in-situ treatment area, the biological filler area 3 comprises a plurality of filler boxes 3-1 which are connected in series, and biological fillers 3-8 capable of degrading pollutants are filled in the filler boxes 3-1.

In the embodiment, the adjacent stuffing boxes 3-1 and the filter wall are connected through cables, the cables are sleeved with the hard plastic pipes, and the cables are sleeved with the hard plastic pipes in a penetrating manner, so that the space between the stuffing boxes 3-1 can be ensured.

In the above embodiment, the stuffing box 3-1 comprises a support 3-2, a combined biological stuffing fixed in the support 3-2 and a float bowl 3-3 fixed at the top of the support 3-2, the support 3-2 is a cubic support 3-2 composed of PVC pipes, the PVC pipe at the bottom of the support 3-2 is provided with a plurality of aeration holes 3-6 with downward openings, an air pump 3-5 is communicated with the PVC pipe and can be communicated with the aeration holes 3-6, one end of the float bowl 3-3 is connected with the air pump 3-5, the other end of the float bowl is provided with a small hole and is provided with a one-way valve 3-4, and the one-way valve 3-4 is arranged to ensure that water can be discharged from the float bowl 3-3 but water in a river channel cannot enter the float bowl 3-3. Before the biological stuffing box 3-1 enters water, the buoy 3-3 is filled with water, after the stuffing box 3-1 is placed into the water, the biological stuffing box 3-1 sinks into the water bottom, the valve on the gas pipe is adjusted to fill gas into the buoy 3-3, the water in the buoy 3-3 is discharged from the small hole, the buoyancy of the buoy 3-3 is increased, the depth of the stuffing box 3-1 in the water is controlled, after the stuffing box 3-1 reaches the required depth, the valve is closed, the buoy 3-3 is sealed under the action of the one-way valve 3-4, and the stuffing box 3-1 is ensured to be at the fixed depth. The buoy 3-3 can enable the stuffing box 3-1 to be suspended below the water surface, and the river landscape and the shipping are not affected. Meanwhile, the stuffing box 3-1 integrates the aeration device and the box body, and is convenient to install and maintain.

In the above embodiment, the grating intercepting area 2 is provided with a buffer area and a settling area communicated with the buffer area, the outlet of the buffer area is provided with a coarse grating 2-1, and the outlet of the settling area is provided with a fine grating 2-2. The coarse grating 2-1 can intercept larger floaters and suspended matters in the sewage; and the gaps of the fine grids 2-2 are fine, so that suspended matters in the sewage precipitated by the precipitation zone can be intercepted.

In the embodiment, the buffer area consists of the coarse grating 2-1 and a river channel where the sewage discharge outlet is located; the settling zone is composed of a fine grid 2-2 and a river channel where the sewage discharge outlet is located.

In the above embodiment, the water plant 3-7 is also included, and the water plant 3-7 is arranged above the grating intercepting area 2. The aquatic plants 3-7 can be floating plants or emergent aquatic plants, and can absorb water pollutants to purify water and beautify water surface landscape.

The beneficial effects of the utility model reside in that: intercepting large floating objects and suspended matters in the sewage by matching a coarse grating and a fine grating in a grating intercepting area so as to realize primary purification of the sewage; then, biological purification is carried out on the sewage by utilizing the biological fillers of the biological filler boxes connected in series so as to realize further purification; and finally, purifying the sewage by using a filter wall filled with crushed stones and zeolite, wherein gaps among the crushed stones are relatively large, so that more suspended particles are prevented from forming blockage, and the zeolite has better adsorption and ion exchange properties, relatively small particle size and deeper purification function. Generally, the device realizes carrying out the normal position processing to the drain that does not cut dirty through the cooperation of three clean system of grid entrapment district, biofilm carrier district and filter wall, reduces the influence of drain to the quality of discharging into the waters.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (6)

1. A sewage outlet in-situ treatment device comprises a treatment dam wall arranged at a sewage outlet, wherein the treatment dam wall consists of three filter walls, each filter wall comprises an inner wall surface and an outer wall surface, and the surfaces of the two wall surfaces are provided with screen meshes; the three-face filter wall and the river channel where the sewage draining exit is located jointly form an in-situ treatment area, the in-situ treatment area is provided with a grid intercepting area and a biological filler area, the biological filler area comprises a plurality of filler boxes connected in series, and biological fillers capable of degrading pollutants are filled in the filler boxes.

2. The sewage draining exit in-situ treatment device of claim 1, wherein the adjacent stuffing boxes and the filter wall are connected through cables, and hard plastic pipes are sleeved on the cables.

3. The sewage draining outlet in-situ treatment device according to claim 2, wherein the stuffing box comprises a support, combined biological stuffing fixed in the support and a buoy fixed at the top of the support, the support is a cubic support formed by PVC pipes, one end of the buoy is connected with an air pump air pipe, the other end of the buoy is provided with a small hole and a one-way valve, the PVC pipe at the bottom of the support is provided with a plurality of aeration holes with downward openings, and the air pump air pipe is communicated with the PVC pipes and can be aerated into the aeration holes.

4. The sewage draining exit in-situ treatment device according to claim 1, wherein the grating intercepting zone is provided with a buffer zone and a settling zone communicated with the buffer zone, the outlet of the buffer zone is provided with a thick grating, and the outlet of the settling zone is provided with a thin grating.

5. The sewage draining exit in-situ treatment device of claim 4, wherein the buffer zone is composed of the coarse grid and a river channel where the sewage draining exit is located; the sedimentation zone is formed by the fine grid and a river channel where the sewage discharge outlet is located.

6. The drain in-situ treatment device according to claim 1, further comprising an aquatic plant disposed above the grate retention zone.

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