CN223073963U

CN223073963U - Corridor type obstacle-avoiding dredging-free oil removal tank

Info

Publication number: CN223073963U
Application number: CN202422120444.0U
Authority: CN
Inventors: 于雷; 何旭红; 刘娟; 杨庆亨
Original assignee: Zhongxing Pylon Battery Co Ltd
Current assignee: Zhongxing Pylon Battery Co Ltd
Priority date: 2024-08-30
Filing date: 2024-08-30
Publication date: 2025-07-08
Anticipated expiration: 2034-08-30

Abstract

The utility model discloses a gallery type obstacle-avoiding dredging-free oil removal tank, and relates to the technical field of wastewater purification, wherein the tank body is divided into three grids, partition walls are arranged in the three partition grooves, the middle part of the tank body is provided with a gallery by the partition walls, one end of the tank body is provided with a water inlet, and the inner part of the tank body is provided with a lifting pump. According to the utility model, the oil-water mixture of the restaurant wastewater filtered by the grating enters the first grating of the oil separation tank from the water inlet, the air stirring system is started, oil stains are attached to the surfaces of the tiny bubbles, the oil stains rise to the surfaces along with the rising of the bubbles, the oil-water mixture which is not thoroughly separated in the first grating flows to the second grating through the oil skimming hole discharging system, the steps of the first grating are repeated, oil-water separation is further carried out, and similarly, the oil-water mixture enters the third grating, oil-water separation is carried out again, and three gratings are in serpentine detouring and are communicated up and down to form grading treatment, so that the retention time is prolonged, and the oil stain separation effect is enhanced.

Description

Corridor type obstacle-avoiding dredging-free oil removal tank

Technical Field

The utility model relates to the technical field of wastewater purification, in particular to a corridor type obstacle-avoiding dredging-free oil removal tank.

Background

The oil separation tank achieves the purpose of separation by utilizing the difference of specific gravity of suspended matters and water in the wastewater. The structure of the oil separation tank mostly adopts a horizontal flow type, the oily wastewater enters the oil separation tank with a rectangular plane through the water distribution tank, slowly flows along the horizontal direction, floats on the water surface of the oil in the flowing process, and is pushed into the oil collection pipe by the oil collection pipe or the oil scraping machine arranged on the tank surface to flow into the dehydration tank. Heavy oil and other impurities precipitated in the oil separation tank are accumulated in a sludge bucket at the bottom of the tank and enter a sludge pipe through a sludge discharge pipe. The wastewater after oil removal treatment overflows into a drainage channel to be discharged out of the tank, and is subjected to subsequent treatment to remove emulsified oil and other pollutants.

The oil separation tank is divided into two-stage and three-stage cells in the tank body. The oil-containing sewage enters the cell from the water inlet, sundries in the oil-containing sewage are separated by the sundries basket in the cell, the oil-containing sewage without sundries enters the second cell, the space in the second cell is larger, the design requirement of the oil separation tank is met, the oil-water is fully separated by utilizing the specific gravity difference of oil-water, and the separated sewage enters the third cell and is discharged through the water outlet pipe. The separated oil is in a second grid oil collecting groove, and is manually removed or discharged into an oil collecting barrel by an oil pump.

After the oil water in the conventional oil separation tank enters the first grid, the oil water flows from the bottom to the second grid and then flows from the upper part to the third grid, and the conventional oil separation tank has the following problems:

The real residence time is calculated by the volume of two lattices, the required tank capacity is large, the separation is incomplete, and in addition, the tank bottom forms sludge after long-time operation, and the cleaning difficulty is high.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a corridor type obstacle avoidance dredging-free oil removal tank, which solves the technical problem of incomplete oil removal and purification.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

A gallery type obstacle-avoiding dredging-free oil removal tank comprises

The tank body is divided into three grids, partition walls are arranged in the three partition grooves, the middle part of the tank body is provided with a gallery through the partition walls and the gallery, the flowing stroke of sewage in the tank body is in the gallery type, the flowing time is increased, the purifying time of the oil separation can be improved, the quality of the purified oil separation is improved,

The water inlet is formed in one end of the tank body, the overflow port is further formed in the other side of the tank body, when water inlet and water outlet are unbalanced, the water with the overhigh liquid level in the tank body flows out of the overflow port and enters a relevant water tank, and the arrangement of the overflow port ensures that sewage can not be disorderly and turbulent under the condition that the system goes out of a problem.

Preferably, three groups of cover plates are arranged at the upper end of the tank body, the opening of each cover plate is communicated with external oil removing equipment to remove floating greasy dirt, an air stirring system is arranged at the bottom of the tank body and comprises three groups of perforated pipes and fans, the three groups of perforated pipes and fans are uniformly distributed in three groups of partition plates of the tank body respectively, the fans are arranged above the perforated pipes and are communicated with the perforated pipes through the fans, valves are arranged in the middle of the fans, the fans are controlled to be opened and closed through the valves, the control of opening and closing of the perforated pipes is realized, dead angle-free stirring is realized, under normal conditions, sludge cannot be formed at the bottom of the tank, when difficult dredging occurs at the bottom of the tank after long-time operation, the three groups of perforated pipes are mutually independent, two groups of valves can be closed, one group of valves are independently opened to supply air for the fans, the aeration strength is enhanced three times, the intractable sludge at the bottom of the tank is cleaned, and manual dredging is realized.

Preferably, the tank body is internally provided with a liquid level meter, the liquid level of sewage to be purified in the tank body is measured through the liquid level meter, the tank body is internally provided with a lifting pump, the lifting pump is connected with the outside through a water pipe, the lifting pump is automatically controlled to start and stop through the liquid level meter, the water after separation is pumped out of the system and enters the subsequent treatment.

Preferably, an obstacle avoidance area is arranged in the middle of the lower part of the tank body, wherein the specific position and the size of the obstacle avoidance area can be matched according to the position of a pipeline in the installed environment, and the existing structures and equipment such as an inspection well and a pipeline can be given way.

Preferably, the corridor type structure of the vertically-penetrating tank body has no requirement on the volume of each grid, and only the vertical residence time is considered, so that the obstacle can be avoided by adjusting the size of the obstacle avoidance area according to actual conditions on a complex site with an inspection well or a pipeline, and the adaptability is high.

(III) beneficial effects

The oil-water mixture of the restaurant wastewater filtered by the grating enters the first grid of the oil separation tank from the water inlet, the air stirring system is started, oil stains are attached to the surfaces of the tiny bubbles, the oil stains rise to the surfaces along with the rising of the bubbles, the oil-water mixture which is not thoroughly separated in the first grid flows to the second grid through the oil skimming hole discharge system, the steps of the first grid are repeated, oil-water separation is further carried out, the oil-water mixture enters the third grid, the oil-water separation is carried out again, and the three grids are in snakelike detours and are communicated up and down.

The oil stains separated by aeration have cohesiveness and adhesiveness, are not easy to flow to other lattices, the fluidity ratio of the separated clear water is increased, and the separated clear water is easy to flow from the front lattices to the rear lattices, so that the gallery is designed into an up-down through structure, and most of the oil stains separated by the front section are gathered at the front section to form grading treatment, so that the residence time is prolonged, and the oil stain separation effect is enhanced.

The switch of the fan is controlled through the valve, the control of the switch of the perforated pipe is realized, no dead angle stirring is realized, under normal conditions, sludge is not formed at the bottom of the tank, when difficult cleaning and dredging occur at the bottom of the tank after long-time operation, the other three groups of perforated pipes are independent from each other, two groups of valves can be turned off, one group of valves is independently turned on, the fan is supplied with air for one group of valves, the aeration intensity is enhanced by three times, the intractable sludge at the bottom of the tank is cleaned, and the manual dredging-free device is realized.

Drawings

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

FIG. 1 is a front cross-sectional structure diagram of a gallery type obstacle avoidance dredging-free oil removal tank;

FIG. 2 is a side sectional view of a gallery type obstacle avoidance dredging-free oil removal tank;

fig. 3 is a top view of a gallery type obstacle-avoiding dredging-free oil removal tank.

The illustration is 1, the cell body, 2, the fan, 3, the valve, 4, the liquid level meter, 5, the lift pump, 6, the apron, 7, the perforated pipe, 8, the partition wall, 9, the overflow port, 10, the water inlet, 11, the corridor, 12, obstacle avoidance area.

Detailed Description

According to the embodiment of the application, the problem of incomplete oil isolation in the prior art is solved by providing the corridor type obstacle avoidance dredging-free oil removal tank, the corridor is designed to be of an up-down through structure, most of oil stains separated from the front section are gathered at the front section, grading treatment is formed, the residence time is prolonged, and the oil stain separation effect is enhanced.

Example 1

The technical solution in the embodiment of the present application is to solve the problem of incomplete oil separation, as shown in fig. 1 and 3, and the overall idea is as follows:

aiming at the problems in the prior art, the utility model provides a corridor type obstacle-avoiding dredging-free oil removal tank, which comprises

The tank body 1, the tank body 1 is divided into three grids, wherein partition walls 8 are arranged in three partition grooves, the middle part of the tank body 1 is provided with a gallery 11 by the partition walls 8, the flowing stroke of sewage in the tank body 1 is in the gallery shape by the partition walls 8 and the gallery 11, the flowing time is increased, the purifying time of the oil separation can be improved, the quality of the purified oil separation is improved,

The water inlet 10 is formed in one end of the tank body 1, the overflow port 9 is further formed in the other side of the tank body 1, when water inlet and outlet are unbalanced, the liquid level in the tank body 1 is too high, water flows out of the overflow port 9 and enters a relevant water tank, and the arrangement of the overflow port 9 ensures that sewage cannot be disorderly and turbulent under the condition that the system goes wrong.

Example 2

As shown in fig. 1-3, based on the embodiment 1, in order to solve the problem that sludge is formed at the bottom of a pool after long-time operation and is difficult to clean, the general idea is as follows:

The utility model discloses a sewage treatment device, including pond 1, air stirring system, valve 3, pond bottom, wherein the pond 1 upper end is provided with three sets of apron 6, apron 6 opening part communicates with outside deoiling equipment, comes to get rid of the greasy dirt of come-up, pond 1 bottom is provided with air stirring system, and air stirring system includes three sets of perforated pipe 7 and fan 2, sets up evenly distributed in three sets of baffles of pond 1 respectively, perforated pipe 7 top is provided with fan 2, communicates with perforated pipe 7 through fan 2, and wherein fan 2 middle part is provided with valve 3, controls fan 2's switch through valve 3, realizes the control to perforated pipe 7 switch, realizes no dead angle stirring, and under normal condition, can not form silt at the bottom of the pond, and when difficult clear desilting appears at the bottom of the pond for a long time, three sets of perforated pipes 7 are independent each other, can turn off wherein two sets of valves 3, open a set of valve 3 alone, come to be a set of valve 3 air feed for a set of valve 3, can clear up the intractable intensity and strengthen by three times, clear up the bottom of the pond silt, has realized exempting artifical desilting.

The sewage level that waits to purify in the cell body 1 is measured through level gauge 4 to inside being provided with level gauge 4 of cell body 1, the inside elevator pump 5 that is provided with of cell body 1, elevator pump 5 passes through the water pipe and links to each other with the outside, and elevator pump 5 opens through level gauge 4 automatic control and stops, and high start is low stops, water pump after will separating out the system, gets into subsequent handling.

Example 3

Based on embodiment 1, the embodiment of the application solves the problem that the conventional dredging equipment is difficult to keep away from the existing structures and equipment such as the inspection well and the pipeline, and the like, and has the general idea that the middle part below the tank body 1 is provided with an obstacle avoidance area 12, wherein the specific design position and the size of the obstacle avoidance area 12 can be matched according to the position of the pipeline in the installation environment, and the existing structures and equipment such as the inspection well and the pipeline can be abducted.

The corridor type structure of the up-down through tank body 1 has no requirement on the volume of each grid, and only the vertical residence time is considered, so that the obstacle can be avoided by adjusting the size of the obstacle avoidance area 12 according to actual conditions on a complex site with an inspection well or a pipeline, and the adaptability is high.

When the oil-water mixture of restaurant wastewater filtered by the grating enters the first grid of the oil separation tank from the water inlet, the air stirring system is started, oil stains are attached to the surfaces of micro bubbles, the oil stains rise to the surfaces along with the rising of the bubbles, the oil-water mixture which is not thoroughly separated in the first grid flows to the second grid through the gallery through the oil skimming hole discharge system, the steps of the first grid are repeated, oil-water separation is further carried out, the oil-water mixture enters the third grid, oil-water separation is carried out again, and three grids are in serpentine shape and are communicated up and down.

Finally, it should be noted that the above-mentioned examples are given for the purpose of illustration only and are not intended to limit the utility model to the particular embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims

1. A corridor-type obstacle-avoiding and silt-free oil separator, characterized in that:

A tank body (1), the tank body (1) is divided into three compartments, wherein partition walls (8) are arranged in the three compartments, wherein the partition walls (8) are used to arrange a corridor (11) in the middle of the tank body (1), and the flow path of sewage in the tank body (1) is arranged in a corridor shape through the partition walls (8) and the corridor (11), a water inlet (10) is arranged at one end of the tank body (1), and a lifting pump (5) is arranged inside the tank body (1).

2. A corridor-type obstacle-avoiding and silt-free oil-water separator as described in claim 1, characterized in that three groups of cover plates (6) are provided at the upper end of the tank body (1), and the openings of the cover plates (6) are connected to external oil removal equipment to remove the floating oil.

3. A corridor-type obstacle-avoiding and silt-free oil-water separator as described in claim 2, characterized in that an air stirring system is arranged at the bottom of the tank body (1), and the air stirring system includes three groups of perforated pipes (7) and fans (2), which are respectively arranged and evenly distributed in three groups of partitions of the tank body (1).

4. A corridor-type obstacle-avoiding and silt-free oil separator as described in claim 3, characterized in that a fan (2) is arranged above the perforated pipe (7), and is connected to the perforated pipe (7) through the fan (2).

5. A corridor-type obstacle-avoiding and silt-free oil separator as described in claim 4, characterized in that a valve (3) is provided in the middle of the fan (2), and the switch of the fan (2) is controlled by the valve (3).

6. A corridor-type obstacle-avoiding and silt-free oil separator as described in claim 5, characterized in that the three groups of perforated pipes (7) are independent of each other, and the valves (3) are independently controlled according to the requirements of use.

7. A corridor-type obstacle-avoiding and silt-free oil separator as described in claim 1, characterized in that an obstacle avoidance area (12) is provided in the middle of the lower part of the tank body (1), wherein the specific design position and size of the obstacle avoidance area (12) can be designed to match the position of the pipeline in the installation environment.

8. A corridor-type obstacle-avoiding and silt-free oil separator as claimed in claim 1, characterized in that an overflow port (9) is also provided on the other side of the tank body (1).

9. A corridor-type obstacle-avoiding, silt-free oil separator as described in claim 1, characterized in that a liquid level meter (4) is arranged inside the tank body (1), and the liquid level of the sewage to be purified in the tank body (1) is measured by the liquid level meter (4).

10. A corridor-type obstacle-avoiding and silt-free oil separator as described in claim 9, characterized in that: the lifting pump (5) is connected to the outside through a water pipe, and the lifting pump (5) is automatically controlled to start and stop through a liquid level meter (4), starting at high and stopping at low, and pumping the separated water out of the system.