CN219652798U

CN219652798U - Hydrolysis acidification tank

Info

Publication number: CN219652798U
Application number: CN202320916522.0U
Authority: CN
Inventors: 杜全新; 周亮; 赵兰
Original assignee: Jiangsu Lantian Water Purification Engineering Co ltd
Current assignee: Jiangsu Lantian Water Purification Engineering Co ltd
Priority date: 2023-04-22
Filing date: 2023-04-22
Publication date: 2023-09-08
Anticipated expiration: 2033-04-22

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a hydrolysis acidification tank, which comprises a tank body, wherein one side of the tank body is connected with a water inlet main pipe, and the other side of the tank body is connected with a water outlet pipe; the bottom of the tank body is provided with a plurality of water distribution caps and a mud discharging system; the middle upper part of the tank body is provided with fixed bed flat plate filler, a plurality of multi-point water distributors are arranged above the fixed bed flat plate filler and connected with a water distribution cap, water outlet tanks are symmetrically arranged on two sides of the multi-point water distributors, and a triangular weir plate is arranged on one side, far away from the multi-point water distributors, of the water outlet tanks; a deodorizing air pipe is arranged at the upper part of the tank body and is connected with a fan; the bottom of the tank body is also provided with a blow-down pipe. The deodorizing air pipe is arranged at the upper part of the tank body, and the generated peculiar smell gas is pumped into the deodorizing air pipe through the fan to be discharged, so that the peculiar smell is prevented from diffusing into the air to cause pollution.

Description

Hydrolysis acidification tank

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a hydrolysis acidification tank.

Background

Hydrolytic acidification is a process intermediate between aerobic and anaerobic treatment, and other process combinations can reduce treatment costs and increase treatment efficiency. Hydrolysis refers to biochemical reactions that take place outside the cells of a microorganism before the organic matter enters the cells, acidification is a typical type of fermentation process, and the metabolic products of the microorganism are mainly various organic acids. The purpose of hydrolytic acidification is mainly to convert non-soluble organic matters in the original wastewater into soluble organic matters, especially industrial wastewater, and mainly to convert the organic matters which are difficult to biodegrade into organic matters which are easy to biodegrade, so that the biodegradability of the wastewater is improved, and the subsequent aerobic treatment is facilitated.

The hydrolysis acidification reaction is carried out in a hydrolysis acidification tank, and in the process, due to the fact that compounds containing nitrogen and sulfur are generated, the compounds have the characteristics of being high in volatility, low in boiling point, large in odor characterization value and the like, a large amount of peculiar smell is inevitably generated, the generated peculiar smell is not treated in the existing hydrolysis acidification tank, and the pollution is caused by the fact that the peculiar smell is emitted into the air.

Disclosure of Invention

The utility model solves the problems in the related art, and provides a hydrolysis acidification tank, wherein a deodorizing air pipe is arranged at the upper part of a tank body, and the generated peculiar smell gas is pumped into the deodorizing air pipe through a fan to be discharged, so that the peculiar smell is prevented from diffusing into the air to cause pollution.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the hydrolysis acidification tank comprises a tank body, wherein one side of the tank body is connected with a water inlet main pipe, and the other side of the tank body is connected with a water outlet pipe; the bottom of the tank body is provided with a plurality of water distribution caps and a mud discharging system; the middle upper part of the tank body is provided with fixed bed flat plate filler, a plurality of multi-point water distributors are arranged above the fixed bed flat plate filler and connected with a water distribution cap, water outlet tanks are symmetrically arranged on two sides of the multi-point water distributors, and a triangular weir plate is arranged on one side, far away from the multi-point water distributors, of the water outlet tanks; a deodorizing air pipe is arranged at the upper part of the tank body and is connected with a fan; the bottom of the tank body is also provided with a blow-down pipe.

As a preferred scheme, the sludge discharging system comprises sludge discharging branch pipes, a sludge discharging main pipe and a sludge conveying pipe, wherein each sludge discharging branch pipe is connected into the sludge discharging main pipe and then enters a sludge concentration tank through the sludge conveying pipe, one end, close to the sludge discharging main pipe, of each sludge discharging branch pipe is provided with a first gate valve, a plurality of pipe clamps are arranged on each sludge discharging branch pipe, and the pipe clamps are fixed at the bottom of the tank body through I-steel and expansion bolts; the sludge discharging main pipe is sequentially provided with a second gate valve, a sludge pump, a check valve and a third gate valve from one side close to the tank body, and the sludge pump is positioned in the water collecting pit.

As a preferable scheme, a water distribution tank is arranged above the tank body, the water distribution tank is provided with a gate, the water distribution tank is connected with a water inlet main pipe and a water distribution branch pipe, the water distribution branch pipe is connected with a multi-point water distributor, and the multi-point water distributor is connected with a water distribution cap through a water distribution hose.

As the preferred scheme, the deodorization tuber pipe includes first horizontal deodorization tuber pipe, vertical deodorization tuber pipe and the horizontal deodorization tuber pipe of second, vertical deodorization tuber pipe is linked together with first horizontal deodorization tuber pipe and the horizontal deodorization tuber pipe of second and is on a parallel with the play basin setting, all be provided with the butterfly valve on the vertical deodorization tuber pipe of the horizontal deodorization tuber pipe both sides of second, be equipped with a plurality of reducing tee joints on first horizontal deodorization tuber pipe and the horizontal deodorization tuber pipe of second, each the reducing tee joint is located between two play basins.

As a preferable scheme, two sides of the pool body are provided with a plurality of rain drop pipes, and the rain drop pipes extend to the ground from the top of the pool body.

Preferably, a fourth gate valve is arranged on the blow-down pipe.

As a preferable scheme, glass fiber reinforced plastic cover plates are arranged on two sides of the top of the tank body, and a galvanized patterned steel grid composite cover plate is arranged on the middle top of the tank body.

Preferably, the triangular weir plate is installed through an expansion bolt and a rubber water stop.

As a preferable scheme, the water distribution cap is fixed on an embedded steel plate at the bottom of the tank body; the multipoint water distributor is arranged on the embedded steel plate on the outer wall of the water outlet tank.

Preferably, the fixed bed flat plate filler comprises a glass fiber reinforced plastic frame and PP/ES blended biological filler.

Compared with the prior art, the utility model has the beneficial effects that:

the upper part of the tank body is provided with a deodorizing air pipe, and the generated peculiar smell gas is pumped into the deodorizing air pipe through a fan to be discharged, so that the peculiar smell is prevented from diffusing into the air to cause pollution;

the acidification tank is distributed in a multi-point water distribution mode, so that the water distribution is uniform and blockage is not easy to occur;

two sides of the pool body are provided with rain drop pipes for draining the rainwater at the top of the pool body to the ground;

the PP/ES blended biological filler is adopted, so that the treatment effect is better;

the triangular weir plates are arranged on the two sides of the water outlet tank, so that the water flowing through the triangular weir plates is relatively clean due to the effect of lifting and blocking most of impurities (sludge, suspended matters in water and the like) in front of the triangular weir plates.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a bottom view of the present utility model;

FIG. 4 is a cross-sectional view A-A of the present utility model;

FIG. 5 is a B-B cross-sectional view of the present utility model;

FIG. 6 is a C-C cross-sectional view of the present utility model;

FIG. 7 is a D-D cross-sectional view of the present utility model;

FIG. 8 is an E-E cross-sectional view of the present utility model;

FIG. 9 is a schematic diagram of the positional relationship of the water distributor, water outlet tank and triangular weir plate of the present utility model;

FIG. 10 is a schematic view of the construction of the installation of the sludge discharge pipe of the present utility model.

In the figure:

the device comprises a tank body, 2, a water inlet main pipe, 3, a water outlet pipe, 4, a water distribution cap, 5, a sludge discharge branch pipe 6, a sludge discharge main pipe, 7, a sludge conveying pipe, 8, fixed bed flat plate filler, 9, a water outlet tank, 10, a multi-point water distributor, 11, a triangular weir plate, 12, a deodorizing air pipe, 13, a water distribution branch pipe, 14, a rain fall pipe, 15, a blow-down pipe, 16, a glass fiber reinforced plastic cover plate, 17, a galvanized pattern steel grid composite cover plate, 18, a water distribution tank, 19, a gate, 20, a water collecting pit, 21 and a sludge pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 10, a hydrolysis acidification tank comprises a tank body 1, wherein one side of the tank body 1 is connected with a water inlet main pipe 2, and the other side is connected with a water outlet pipe 3, wherein the water inlet main pipe 2 is connected with a water outlet pipe of an adjusting tank, namely, water inlet comes from the adjusting tank, and the water outlet pipe 3 is connected with a biochemical tank, namely, water outlet enters the biochemical tank; the bottom of the tank body 1 is provided with a plurality of water distribution caps 4 and a sludge discharge system for discharging sludge in the acidification tank into a sludge concentration tank; the middle upper part of the tank body 1 is provided with a fixed bed flat plate filler 8, a plurality of multi-point water distributors 10 are arranged above the fixed bed flat plate filler 8, the multi-point water distributors 10 are connected with the water distribution caps 4, water outlet grooves 9 are symmetrically arranged on two sides of the multi-point water distributors 10, a triangular weir plate 11 is arranged on one side, far away from the multi-point water distributors 10, of the water outlet grooves 9, most impurities (sludge, suspended matters in water and the like) are blocked in front of the triangular weir plate 11, so that water flowing through the triangular weir plate 11 is relatively clean; the upper part of the tank body 1 is provided with a deodorizing air pipe 12, and the deodorizing air pipe 12 is connected with a fan, and is used for sucking the peculiar smell gas generated by the acidification tank into the deodorizing air pipe 12 for discharging, so that the peculiar smell is prevented from diffusing into the air to cause pollution; the bottom of the tank body 1 is also provided with a blow-down pipe 15 for exhausting the liquid in the tank body 1 when the acidification tank is repaired or maintained.

In one embodiment, as shown in fig. 8, a rain cover is arranged at the top of a sludge tank 7, the sludge discharging system comprises sludge discharging branch pipes 5, a sludge discharging main pipe 6 and a sludge conveying pipe 7, each sludge discharging branch pipe 5 is converged into the sludge discharging main pipe 6 and then enters a sludge concentrating tank through the sludge conveying pipe 7, one end, close to the sludge discharging main pipe 6, of the sludge discharging branch pipe 5 is provided with a first gate valve, the first gate valve on the sludge discharging branch pipe 5 is opened, sludge in the sludge discharging branch pipe 5 can be discharged into the sludge discharging main pipe 6, a plurality of pipe clamps are arranged on the sludge discharging branch pipe 5, and the pipe clamps are fixed at the bottom of the tank body 1 through I-steel and expansion bolts; the sludge discharging main pipe 6 is sequentially provided with a second gate valve, a sludge pump 21, a check valve and a third gate valve from one side close to the tank body 1, the sludge pump 21 is positioned in the water collecting pit 20, the second gate valve is opened, sludge in the sludge discharging main pipe 6 enters the sludge pump, then the third gate valve is opened, the sludge is discharged into the sludge conveying pipe 7 through the sludge pump, and then the sludge is discharged into the sludge concentration tank.

In one embodiment, as shown in fig. 6 and 7, a water distribution tank 18 is arranged above the tank body 1, the water distribution tank 18 is provided with a gate 19, the water distribution tank 18 is connected with the water inlet main pipe 2 and the water distribution branch pipe 13, the water distribution branch pipe 13 is connected with the multi-point water distributor 10, the multi-point water distributor 10 is connected with the water distribution cap 4 through a water distribution hose, sewage from the self-regulating tank enters the water distribution tank 18 through the water inlet main pipe 2, the gate 19 is opened, the sewage enters the water distribution branch pipe 13, and then water distribution is carried out through the multi-point water distributor 10 and the water distribution cap 4, so that the water distribution is uniform and difficult to cause blockage.

In one embodiment, the deodorizing air duct 12 comprises a first transverse deodorizing air duct, a longitudinal deodorizing air duct and a second transverse deodorizing air duct, wherein the longitudinal deodorizing air duct is communicated with the first transverse deodorizing air duct and the second transverse deodorizing air duct and is parallel to the water outlet grooves 9, butterfly valves are arranged on the longitudinal deodorizing air ducts on two sides of the second transverse deodorizing air duct, and a plurality of reducing tee joints are arranged on the first transverse deodorizing air duct and the second transverse deodorizing air duct, and each reducing tee joint is positioned between the two water outlet grooves 9.

In one embodiment, a plurality of rain pipes 14 are arranged on two sides of the tank body 1, the rain pipes 14 extend from the top of the tank body 1 to the ground, and rainwater on the top of the tank body 1 can be discharged to the ground through the rain pipes 14.

In one embodiment, a fourth gate valve is provided on the blow-down pipe 15, which is opened when it is desired to blow down the liquid in the tank 1.

In one embodiment, the two sides of the top of the tank body 1 are provided with glass fiber reinforced plastic cover plates 16, and the middle top is provided with a galvanized patterned steel grating composite cover plate 17.

In one embodiment, the triangular weir plate 11 is mounted by means of expansion bolts and a rubber water stop.

In one embodiment, the water distribution cap 4 is fixed on a pre-buried steel plate at the bottom of the tank body 1; the multipoint water distributor 10 is arranged on the embedded steel plate on the outer wall of the water outlet tank 9.

In one embodiment, the fixed bed flat plate filler 8 comprises a glass fiber reinforced plastic frame and PP/ES blended biological filler, the treatment effect is better, and the fixed bed flat plate filler 8 is arranged in the tank body 1 through a supporting beam.

The working principle is as follows:

the sewage from the regulating tank enters a water distribution tank 18 of the acidification tank from a water inlet main pipe 2, a gate 19 is opened, the sewage enters a water distribution branch pipe 13, then water distribution is carried out through a multi-point water distributor 10 and a water distribution cap 4, the sewage reacts through a fixed bed flat plate filler 8, the sludge sinks to the bottom of the tank body 1, and the sludge is collected into a sludge discharge main pipe 6 through each row of sludge discharge pipes 5 and enters a sludge concentration tank through a sludge conveying pipe 7; clear water enters a water outlet tank 9 and enters a water outlet pipe 3 through a triangular weir plate 11, so that the water is discharged to a biochemical pond; the waste gas generated in the process is pumped into the deodorizing air pipe 12 through the fan and is discharged, so that the odor is prevented from diffusing into the air to cause pollution.

The above is a preferred embodiment of the present utility model, and a person skilled in the art can also make alterations and modifications to the above embodiment, therefore, the present utility model is not limited to the above specific embodiment, and any obvious improvements, substitutions or modifications made by the person skilled in the art on the basis of the present utility model are all within the scope of the present utility model.

Claims

1. A hydrolytic acidification tank, which is characterized in that: the water tank comprises a tank body (1), wherein one side of the tank body (1) is connected with a water inlet main pipe (2), and the other side is connected with a water outlet pipe (3); the bottom of the tank body (1) is provided with a plurality of water distribution caps (4) and a mud discharging system; the upper middle part of the tank body (1) is provided with fixed bed flat plate filler (8), a plurality of multi-point water distributors (10) are arranged above the fixed bed flat plate filler (8), the multi-point water distributors (10) are connected with the water distribution caps (4), water outlet tanks (9) are symmetrically arranged on two sides of the multi-point water distributors (10), and a triangular weir plate (11) is arranged on one side, far away from the multi-point water distributors (10), of the water outlet tanks (9); a deodorizing air pipe (12) is arranged at the upper part of the tank body (1), and the deodorizing air pipe (12) is connected with a fan; the bottom of the tank body (1) is also provided with a blow-down pipe (15).

2. The hydrolytic acidification tank according to claim 1, wherein: the mud discharging system comprises mud discharging branch pipes (5), a mud discharging main pipe (6) and mud conveying pipes (7), wherein each mud discharging branch pipe (5) is converged into the mud discharging main pipe (6) and then enters a mud concentrating tank through the mud conveying pipe (7), one end, close to the mud discharging main pipe (6), of each mud discharging branch pipe (5) is provided with a first gate valve, a plurality of pipe clamps are arranged on each mud discharging branch pipe (5), and the pipe clamps are fixed at the bottom of the tank body (1) through I-steel and expansion bolts; the sludge discharging main pipe (6) is sequentially provided with a second gate valve, a sludge pump (21), a check valve and a third gate valve from one side close to the tank body (1), and the sludge pump (21) is located in the water collecting pit (20).

3. The hydrolytic acidification tank according to claim 1, wherein: the water distribution device is characterized in that a water distribution tank (18) is arranged above the tank body (1), the water distribution tank (18) is provided with a gate (19), the water distribution tank (18) is connected with a water inlet main pipe (2) and a water distribution branch pipe (13), the water distribution branch pipe (13) is connected with a multi-point water distributor (10), and the multi-point water distributor (10) is connected with a water distribution cap (4) through a water distribution hose.

4. The hydrolytic acidification tank according to claim 1, wherein: the deodorizing air pipe (12) comprises a first transverse deodorizing air pipe, a longitudinal deodorizing air pipe and a second transverse deodorizing air pipe, wherein the longitudinal deodorizing air pipe is communicated with the first transverse deodorizing air pipe and the second transverse deodorizing air pipe and is parallel to the water outlet groove (9), butterfly valves are arranged on the longitudinal deodorizing air pipes on two sides of the second transverse deodorizing air pipe, a plurality of reducing tee joints are arranged on the first transverse deodorizing air pipe and the second transverse deodorizing air pipe, and each reducing tee joint is located between the two water outlet grooves (9).

5. The hydrolytic acidification tank according to claim 1, wherein: a plurality of rain drop pipes (14) are arranged on two sides of the pool body (1), and the rain drop pipes (14) extend from the top of the pool body (1) to the ground.

6. The hydrolytic acidification tank according to claim 1, wherein: a fourth gate valve is arranged on the blow-down pipe (15).

7. The hydrolytic acidification tank according to claim 1, wherein: glass fiber reinforced plastic cover plates (16) are arranged on two sides of the top of the tank body (1), and a galvanized patterned steel grid composite cover plate (17) is arranged on the middle top.

8. The hydrolytic acidification tank according to claim 1, wherein: the triangular weir plate (11) is installed through an expansion bolt and a rubber water stop.

9. The hydrolytic acidification tank according to claim 1, wherein: the water distribution cap (4) is fixed on an embedded steel plate at the bottom of the tank body (1); the multipoint water distributor (10) is arranged on a pre-buried steel plate on the outer wall of the water outlet tank (9).

10. The hydrolytic acidification tank according to claim 1, wherein: the fixed bed flat plate filler (8) comprises a glass fiber reinforced plastic frame and PP/ES blended biological filler.