CN216273230U

CN216273230U - Sedimentation tank oil slick collection device and sedimentation tank

Info

Publication number: CN216273230U
Application number: CN202122912693.XU
Authority: CN
Inventors: 宋超; 刘海涛; 梁思懿; 张智瑞
Original assignee: Capital Engineering & Research Inc Ltd
Current assignee: Capital Engineering & Research Inc Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-12
Anticipated expiration: 2031-11-25

Abstract

The utility model provides a sedimentation tank floating oil collecting device and a sedimentation tank, and relates to the technical field of oil collecting devices, wherein the sedimentation tank floating oil collecting device comprises: hollow oil trap, the oil trap includes: the top part is provided with an oil inlet and the bottom part is provided with an oil outlet; a collection cartridge comprising: the oil collection cylinder is movably connected with the oil inlet; the height adjusting mechanism is connected with the collecting cylinder and can adjust the setting position of the oil extraction port in the sedimentation tank. This device can drive a collection section of thick bamboo automation mechanized operations in the sedimentation tank through high adjustment mechanism, has realized the recovery of oil slick high-efficiently, has reduced artifical intensity of labour, and it has the operation reliably, receives advantage such as oily efficient. The utility model also provides a sedimentation tank, which comprises the sedimentation tank floating oil collecting device.

Description

Sedimentation tank oil slick collection device and sedimentation tank

Technical Field

The utility model relates to the technical field of oil collecting devices, in particular to a settling pond floating oil collecting device and a settling pond.

Background

Some of the sewage in the sedimentation tank is mixed with oil, the oil floats upwards and is enriched on the water surface, and the oil can pollute the water. However, some oils are expensive and have extremely high recovery values.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a sedimentation tank floating oil collecting device and a sedimentation tank, wherein the sedimentation tank floating oil collecting device can be operated automatically, so as to greatly improve the efficiency of collecting floating oil on the water surface, reduce the labor intensity, and have a simple and reliable structure, and can reduce the investment and operation cost.

The above object of the present invention can be achieved by the following technical solutions, and the present invention provides a floating oil collecting device for a sedimentation tank, including:

set up the hollow oil trap in the sedimentation tank, the oil trap includes: the top part is provided with an oil inlet and the bottom part is provided with an oil outlet;

a collection cartridge, the collection cartridge comprising: the oil collecting cylinder is movably connected with the oil inlet, the first end is arranged above the oil inlet, and the second end is communicated with the oil collecting tank through the oil inlet;

the height adjusting mechanism is connected with the collecting cylinder and can adjust the setting position of the oil extraction port in the sedimentation tank.

In a preferred embodiment of the present invention, the collecting cylinder includes a first cylinder section and a second cylinder section connected to the first cylinder section, the first end is a top end of the first cylinder section, the second end is a bottom end of the second cylinder section, and the second cylinder section is at least partially movably inserted into the oil inlet.

In a preferred embodiment of the present invention, the first cylinder section is flared from the end connected to the second cylinder section toward the first end.

In a preferred embodiment of the present invention, the top portion comprises an upper limiting sleeve, the bottom portion comprises a lower tapered tank, and a middle tank is disposed between the upper limiting sleeve and the lower tapered tank;

the upper limiting sleeve is provided with a hollow cylinder cavity communicated with the middle tank body, the hollow cylinder cavity forms the oil inlet, at least part of the second cylinder section is movably inserted in the hollow cylinder cavity, and the oil outlet is formed in the lower conical tank body.

In a preferred embodiment of the present invention, a sliding sealing member is disposed between the second cylinder section and the upper limiting sleeve.

In a preferred embodiment of the present invention, the oil outlet is disposed at the bottom of the lower conical tank, and the oil outlet and the oil inlet are disposed in the same height direction.

In a preferred embodiment of the present invention, a mounting bracket is provided on the oil collecting tank, the mounting bracket includes at least one first mounting member and at least one second mounting member, the first mounting member is disposed above the oil collecting tank, the height adjusting mechanism is connected to the first mounting member, and the second mounting member connects the oil collecting tank and the first mounting member for support, respectively.

In a preferred embodiment of the present invention, the height adjusting mechanism comprises a hydraulic oil cylinder and a telescopic rod mounted on the hydraulic oil cylinder, and the telescopic rod is connected with the collecting cylinder.

In a preferred embodiment of the present invention, a fixing member is disposed on the telescopic rod, the telescopic rod is connected to the collecting cylinder through the fixing member, and an axis of the telescopic rod is collinear with an axis of the collecting cylinder.

In a preferred embodiment of the present invention, an adjusting bracket is disposed between the oil collecting tank and the sedimentation tank, and the adjusting bracket includes:

the two ends of the supporting piece are provided with connecting parts, and the connecting parts are connected with the tank body of the sedimentation tank;

the lifting adjusting piece, the lifting adjusting piece sets up the top of sump oil tank, the lifting adjusting piece includes: be provided with the stiff end and with the lift adjustment end that the stiff end is relative, the stiff end is connected the oil collecting tank or the mounting bracket, the lift adjustment end with support piece is adjustably connected, through the lift adjustment piece can be adjusted the oil collecting tank is in set up the height in the sedimentation tank.

In a preferred embodiment of the present invention, the lifting adjusting end is provided with a threaded section, the supporting member is provided with an adjusting nut matching with the threaded section, and the lifting adjusting end is connected to the adjusting nut in a threaded manner.

In a preferred embodiment of the present invention, the oil outlet is connected to an oil delivery pipeline, and an oil suction pump is installed on the oil delivery pipeline.

The utility model also provides a sedimentation tank, which comprises the sedimentation tank floating oil collecting device.

The technical scheme of the utility model has the following remarkable beneficial effects:

the utility model relates to a floating oil collecting device for a sedimentation tank, which mainly collects floating oil in the sedimentation tank by using a collecting cylinder, and the collected floating oil flows into an oil collecting tank and is discharged along an oil discharge port. The collecting device can realize the oil collecting process and the oil discharging process at the same time, thereby avoiding the caking phenomenon of floating oil in the oil collecting tank. Of course, the oil spill may also be temporarily stored in the oil sump. During the use, the up-and-down motion of an accessible height adjusting mechanism control collection section of thick bamboo in the sedimentation tank, and then during rivers smuggled floating oil secretly and overflowed into the oil collecting tank along the oil recovery mouth intermittent type nature of an acquisition section of thick bamboo, adopt intermittent type nature ground oil recovery mode can mix the water, promote floating oil evenly distributed, make floating oil can flow to an acquisition section of thick bamboo under the drive of oil reservoir and rivers, and then be convenient for the oil recovery mouth to collect floating oil, increased oil recovery efficiency. Of course, the collecting cylinder can also be fixed below the floating oil layer of the sedimentation tank through the height adjusting mechanism, so that the floating oil continuously overflows into the oil collecting tank along the oil extraction port of the collecting cylinder. The collecting cylinder can be driven to automatically operate in the sedimentation tank through the height adjusting mechanism, so that the floating oil is efficiently recovered, the labor intensity of workers is reduced, and the collecting cylinder has the advantages of reliable operation, high oil collecting efficiency and the like.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the utility model as a matter of case.

FIG. 1 is a schematic diagram of a floating oil collecting device of a sedimentation tank;

FIG. 2 is a schematic view of the installation structure of the floating oil collecting device of the sedimentation tank;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals of the above figures:

100. a sedimentation tank;

1. a sedimentation tank floating oil collecting device;

2. an oil collecting tank; 21. an oil inlet; 22. an oil discharge port; 23. an upper limit sleeve; 24. a middle tank body; 25. a lower conical tank body;

3. a collection cylinder; 31. a first end; 32. a second end; 33. a first barrel section; 34. a second barrel section; 35. a baffle plate;

4. a height adjustment mechanism; 41. hydraulic oil; 42. a telescopic rod; 421. a fixing member;

5. a sliding seal;

6. a mounting frame; 61. a first mounting member; 62. a second mount;

7. an adjusting bracket; 71. a support member; 711. a connecting portion; 72. a lifting adjustment member; 721. a fixed end; 722. a lifting adjusting end; 73. adjusting the nut;

8. an oil pipeline; 81. an oil suction pump.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The sewage treated by the sedimentation tank is sometimes doped with oil which floats upwards and is enriched on the water surface, the oil which floats on the water body is not easy to treat, and the value of some oil is expensive and has extremely high recovery value. To above-mentioned problem, this application mainly collects the oil slick in the sedimentation tank through a sedimentation tank oil slick collection device, and it can greatly improve the collection efficiency of oil slick through automatic operation. The sedimentation tank 100 may be an inclined tube sedimentation tank, a straight tube sedimentation tank, or another type of sedimentation tank, and the user may install the device in the sedimentation tank according to the actual situation, which is not limited herein.

Referring to fig. 1 to fig. 3, in an embodiment of the present disclosure, a floating oil collecting device 1 for a sedimentation tank is provided, where the floating oil collecting device 1 for a sedimentation tank mainly includes: a hollow oil collecting tank 2 arranged in the sedimentation tank 100, a collecting cylinder 3 and a height adjusting mechanism 4.

The oil collection tank 2 includes: a top portion provided with an oil inlet 21 and a bottom portion provided with an oil discharge port 22. Specifically, the oil collecting tank 2 may be directly disposed in the sedimentation tank 100 during use, and the oil collecting tank 2 may be located below the surface of the water body in the sedimentation tank 100, so that the floating oil may automatically slide down to the bottom with the oil drain port 22 along the weight. Of course, as another variation of the arrangement of the oil collecting tank 2, the main body of the oil collecting tank 2 may be arranged outside the sedimentation basin 100, and the oil inlet 21 may be arranged in the sediment. The installation position between the oil collecting tank 2 and the sedimentation tank 100 can be adjusted by a user according to the installation environment, which is not limited herein. When in use, the floating oil collected by the collecting cylinder 3 flows into the oil collecting tank 2 and is collected to the oil outlet 22 under the action of gravity to be quickly discharged, thereby avoiding the caking phenomenon of the floating oil in the oil collecting tank 2; of course, the floating oil may be temporarily stored in the oil sump 2.

The collecting cylinder 3 comprises: a first end 31 provided with an oil collecting port and a second end 32 opposite to the first end 31, the collecting cylinder 3 is movably connected with the oil inlet 21, the first end 31 is arranged above the oil inlet 21, and the second end 32 is communicated with the oil collecting tank 2 through the oil inlet 21. The height of the collecting cylinder 3 in the sedimentation tank 100 is adjusted, so that the floating oil in the sedimentation tank 100 overflows into the collecting cylinder 3 along the oil extraction port, and then the floating oil flows into the oil collecting tank 2. Wherein, the collecting cylinder 3 has a smaller size relative to the oil collecting tank 2, and is convenient to adjust and use.

The height adjusting mechanism 4 is connected with the collecting cylinder 3, and the setting position of the oil extraction port in the sedimentation tank 100 can be adjusted through the height adjusting mechanism 4. Specifically, the setting position may be a height position in a vertical direction or a height position in an inclined direction, and the user may adjust the setting position according to the need without limitation.

When the device is used, the collecting cylinder 3 can be controlled by the height adjusting mechanism 4 to move up and down in the sedimentation tank 100, and then the water flow carries floating oil to intermittently overflow into the oil collecting tank 2 along the oil extraction port of the collecting cylinder 3, the water body can be stirred by adopting an intermittent oil extraction mode, the floating oil is promoted to be uniformly distributed, the floating oil can flow to the collecting cylinder 3 under the driving of the water flow, the oil extraction port is convenient to collect the floating oil, and the oil collecting efficiency is increased; or, the collecting cylinder 3 can be fixed below the floating oil layer of the sedimentation tank 100 through the height adjusting mechanism 4, so that the floating oil continuously overflows into the oil collecting tank 2 along the oil extraction port of the collecting cylinder 3; of course, the user may also combine the height adjusting mechanism 4 with a control mechanism such as a displacement sensor suitable for the height adjusting mechanism 4, so that the height adjusting mechanism 4 can automatically adjust the setting height or the movement mode of the collecting cylinder 3 in the sedimentation tank 100 according to the liquid level in the sedimentation tank 100.

On the whole, the sedimentation tank oil slick collection device 1 that this application provided, its application can realize receiving oily process and oil extraction process simultaneously in sedimentation tank 100. This application can drive a collection section of thick bamboo 3 automation mechanized operations in sedimentation tank 100 through high adjustment mechanism 4, and then has realized the recovery of oil slick high-efficiently, has reduced artifical intensity of labour.

In the description of the present application, reference will be made to the detailed description of the embodiments and the accompanying drawings.

Specifically, referring to fig. 1 to 3, the floating oil collecting device 1 of the sedimentation tank may include: an oil collecting tank 2; a collection cylinder 3; a height adjusting mechanism 4; a sliding seal 5; a mounting frame 6; an adjusting bracket 7.

In this embodiment, the collecting cylinder 3 may include a first cylinder section 33 and a second cylinder section 34 connected to the first cylinder section 33, the first end 31 is a top end of the first cylinder section 33, the second end 32 is a bottom end of the second cylinder section 34, and the second cylinder section 34 is at least partially movably inserted into the oil inlet 21.

Specifically, the first cylinder section 33 is arranged in a flaring manner from one end connected with the second cylinder section 34 to the first end 31. The provision of the first end 31 as a flare facilitates increasing the efficiency of production of the harvesting cartridge 3. And the first barrel section 33 is arranged as a flaring and can also play a role of blocking, preventing the collecting barrel 3 from sliding into the oil collecting tank 2. Of course, a baffle 35 can also be connected between the first cylinder section 33 and the second cylinder section 34, the baffle 35 prevents the collecting cylinder 3 from sliding into the oil collecting tank 2, and the baffle 35 can also prevent the oil inlet 21 from colliding with the collecting cylinder 3.

In this embodiment, in order to facilitate the collection cylinder 3 to be movably mounted on the oil collection tank 2, the oil collection tank 2 may be configured as follows: the top portion comprises an upper limiting sleeve 23, the bottom portion comprises a lower conical tank 25, and a middle tank 24 is arranged between the upper limiting sleeve 23 and the lower conical tank 25. Wherein, the oil discharge port 22 is arranged at the bottom of the lower conical tank body 25, and the oil discharge port 22 and the oil inlet 21 are arranged in the same height direction. By arranging the oil discharge port 22 and the oil inlet 21 in the same height direction, the floating oil and the sewage entering the oil collecting tank 2 can quickly fall to the oil discharge port 22, and particularly when the oil collecting process and the oil discharging process are performed simultaneously, the oil discharging efficiency is greatly improved.

Specifically, the intermediate tank 24 may be provided in a cylindrical shape. Of course, the oil collecting tank 2 may be configured in other shapes, and may be reasonably configured by a user according to needs, which is not limited herein.

Further, the upper limiting sleeve 23 is provided with a hollow cylinder cavity communicated with the middle tank body 24, the hollow cylinder cavity forms the oil inlet 21, the second cylinder section 34 is movably inserted into the hollow cylinder cavity at least partially, and the oil outlet 22 is arranged on the lower conical tank body 25. Wherein the at least part means: during the movement of the second cylinder section 34, the second cylinder section 34 can completely enter the hollow cylinder chamber; or the bottom of the second barrel section 34 is located in the hollow barrel cavity and the remainder may extend out of the hollow barrel cavity. The lower conical tank body 25 is arranged to facilitate the gathering of the floating oil in the oil collecting tank 2 to the oil outlet 22, so that the floating oil in the oil collecting tank 2 is discharged more cleanly, and the floating oil is prevented from caking in the oil collecting tank 2.

Because the oil collecting tank 2 is arranged in the sedimentation tank 100, in order to prevent sewage from entering the oil collecting tank 2 along the gap between the second cylinder section 34 and the hollow cylinder cavity, a sliding sealing element 5 can be arranged between the second cylinder section 34 and the upper limiting sleeve 23. In particular, the sliding seal 5 may be a sealing ring, and one or more sealing rings may be disposed between the second cylinder section 34 and the hollow cylinder cavity, which is not limited herein. Of course, the user may use other sealing structures having the same function as the sliding seal 5, which is not limited herein.

In this embodiment, the height adjusting mechanism 4 is required to adjust the collecting cylinder 3, and in order to increase the adjustment precision, the height adjusting mechanism 4 may be fixedly installed on the oil collecting tank 2. Specifically, be equipped with mounting bracket 6 on oil collecting tank 2, mounting bracket 6 includes at least one first installed part 61 and at least one second installed part 62, first installed part 61 sets up the top of oil collecting tank 2, height adjustment mechanism 4 connects on the first installed part 61, second installed part 62 is connected respectively oil collecting tank 2 with first installed part 61 is used for supporting. Specifically, the first mounting member 61 and the second mounting member 62 may be of a plate-shaped structure or a rod-shaped structure, and one second mounting member 62 may be disposed at each of both ends of the first mounting member 61, so that the mounting bracket 6 has better stability. Make through mounting bracket 6 have fixed relative position between height adjusting mechanism 4 and the oil trap 2, the height adjusting mechanism 4 of being convenient for adjusts collection cylinder 3, can improve the precision of adjusting.

The height adjusting mechanism 4 comprises a hydraulic oil 41 cylinder and an expansion rod 42 installed on the hydraulic oil 41 cylinder, and the expansion rod 42 is connected with the collecting cylinder 3. In this embodiment, the hydraulic oil 41 cylinder and the matched oil cylinder control system can be used in combination, so as to be convenient for the user to use. Of course, the user can also use the oil cylinder control system and the displacement sensor in a matching manner to obtain the effect of automatic control, and the user can reasonably adapt the height adjusting mechanism 4 to other control systems or sensing systems to obtain better use effect, which is not limited herein.

Furthermore, a fixing member 421 is arranged on the telescopic rod 42, the telescopic rod 42 is connected with the collecting cylinder 3 through the fixing member 421, and the axis of the telescopic rod 42 is collinear with the axis of the collecting cylinder 3. Wherein, the axis of telescopic link 42 and collection section of thick bamboo 3 can follow the direction of gravity setting, when guaranteeing like this that collection section of thick bamboo 3 immerses in the water, the oil recovery mouth can be followed in the oil recovery evenly gets into collection section of thick bamboo 3 for collection section of thick bamboo 3's collection effect is better. Specifically, the fixing member 421 may be made of a channel steel.

In order to make the settling pond floating oil collecting device 1 have better adaptability, in this embodiment, an adjusting bracket 7 is provided between the oil collecting tank 2 and the settling pond 100, and the adjusting bracket 7 may include:

the support member 71, both ends of the support member 71 all are provided with connecting portions 711, and the connecting portions 711 are connected with the tank body of the sedimentation tank 100. Wherein, the connecting part 711 is fixed on two walls of the settling pond 100 through a detachable structure or the connecting part 711 is detachably fixed on the top surface of the settling pond 100 during installation. Specifically, one embodiment of the connecting portion 711 is as follows: the connecting portion 711 may be a plate structure, and the plate structure may be fixed to the sedimentation tank 100 by bolts. Of course, the user can reasonably select other installation modes according to actual conditions, and the installation mode is not limited here.

Further, a lifting adjusting member 72 is provided on the supporting member 71, the lifting adjusting member 72 is provided above the oil collecting tank 2, and the lifting adjusting member 72 may include: a fixed end 721 and a lifting adjusting end 722 opposite to the fixed end 721 are arranged, the fixed end 721 is connected with the oil collecting tank 2 or the mounting rack 6, the lifting adjusting end 722 is adjustably connected with the supporting piece 71, and the setting height of the oil collecting tank 2 in the sedimentation tank 100 can be adjusted through the lifting adjusting piece 72.

Specifically, a threaded section is arranged on the lifting adjusting end 722, an adjusting nut 73 matched with the threaded section is arranged on the supporting member 71, and the lifting adjusting end 722 is in threaded connection with the adjusting nut 73. Wherein, the lifting adjusting piece 72 can be made of a screw rod. During the use, rotatable lift adjustment piece 72 can adjust the upper and lower position of oil collecting tank 2 in sedimentation tank 100 through lift adjustment piece 72 for this device can be applied to different liquid level heights, and then obtains better result of use.

In the using process, the floating oil is easy to agglomerate in the oil collecting tank 2, and the agglomeration phenomenon can be avoided by quickly discharging the floating oil. In this embodiment, a delivery line 8 is connected to the oil discharge port 22, and an oil suction pump 81 is attached to the delivery line 8. When the oil slick got into oil collecting tank 2, can take away the oil slick and the sewage in oil collecting tank 2 fast through defeated oil pipe way 8, prevent that the oil slick from agglomerating in oil collecting tank 2.

When the floating oil collecting device 1 for the sedimentation tank is used, the collecting cylinder 3 is used for collecting floating oil in the sedimentation tank 100, and the collected floating oil flows into the oil collecting tank 2 and is discharged along the oil outlet 22. In the use, the section of thick bamboo 3 up-and-down motion in sedimentation tank 100 is gathered in the control of accessible height adjusting mechanism 4, and then rivers smuggle the floating oil and overflow into oil collecting tank 2 along the oil recovery mouth intermittent type nature of gathering section of thick bamboo 3 secretly, adopt intermittent type nature ground oil recovery mode can mix the water, promote floating oil evenly distributed, make the floating oil can flow to gathering section of thick bamboo 3 under the drive of rivers, and then be convenient for the oil recovery mouth to collect the floating oil. Of course, it is also possible to fix the collection cylinder 3 below the oil slick layer of the sedimentation tank 100 by the height adjustment mechanism 4 so that the oil slick continuously overflows into the oil collection tank 2 along the oil extraction port of the collection cylinder 3.

The collecting device 1 for the floating oil in the sedimentation tank has the beneficial effects that the oil collecting process and the oil discharging process can be simultaneously realized by matching the oil collecting tank 2 with the collecting cylinder 3, so that the phenomenon of caking of the floating oil in the oil collecting tank 2 is avoided. Can drive collection section of thick bamboo 3 automatic operation in sedimentation tank 100 through height adjusting mechanism 4, realize the recovery of oil slick high-efficiently, reduce artifical intensity of labour, it has advantages such as operation is reliable, receive oily efficient.

The utility model also discloses a sedimentation tank 100, and the sedimentation tank 100 comprises the sedimentation tank floating oil collecting device 1 in the embodiment. Specifically, the floating oil collecting device 1 may be disposed in the sedimentation tank 100.

According to the sedimentation tank 100 disclosed by the utility model, the floating oil in the sedimentation tank 100 can be efficiently collected through the sedimentation tank floating oil collecting device 1, the effect of purifying water quality can be achieved after the floating oil is collected, the sewage treatment effect of the sedimentation tank 100 is enhanced, and the recovered floating oil can be reused after being treated.

The above description is only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a sedimentation tank oil slick collection device which characterized in that, sedimentation tank oil slick collection device includes:

2. The floating oil collecting device of the sedimentation tank as claimed in claim 1, wherein the collecting cylinder comprises a first cylinder section and a second cylinder section connected with the first cylinder section, the first end is the top end of the first cylinder section, the second end is the bottom end of the second cylinder section, and the second cylinder section is at least partially movably inserted in the oil inlet.

3. The apparatus of claim 2, wherein the first section is flared from the end connected to the second section toward the first end.

4. The floating oil collecting device of the sedimentation tank as claimed in claim 2, wherein the top portion comprises an upper limit sleeve, the bottom portion comprises a lower tapered tank, and a middle tank is arranged between the upper limit sleeve and the lower tapered tank;

5. The apparatus of claim 4, wherein a sliding seal is disposed between the second section and the upper retaining sleeve.

6. The floating oil collecting device of the sedimentation tank as claimed in claim 4, wherein the oil discharge port is provided at the bottom of the lower conical tank body, and the oil discharge port is provided at the same height as the oil inlet.

7. The floating oil collecting device of claim 1, wherein the oil collecting tank is provided with a mounting frame, the mounting frame comprises at least one first mounting part and at least one second mounting part, the first mounting part is arranged above the oil collecting tank, the height adjusting mechanism is connected to the first mounting part, and the second mounting part is respectively connected with the oil collecting tank and the first mounting part for supporting.

8. The floating oil collecting device of the sedimentation tank as claimed in claim 1 or 7, wherein the height adjusting mechanism comprises a hydraulic cylinder and a telescopic rod mounted on the hydraulic cylinder, the telescopic rod being connected with the collecting cylinder.

9. The floating oil collecting device of claim 8, wherein the telescopic rod is provided with a fixing member, the telescopic rod is connected with the collecting cylinder through the fixing member, and the axis of the telescopic rod is collinear with the axis of the collecting cylinder.

10. The floating oil collecting device for the sedimentation tank as claimed in claim 7, wherein an adjusting bracket is arranged between the oil collecting tank and the sedimentation tank, and the adjusting bracket comprises:

11. The apparatus for collecting floating oil in a sedimentation tank of claim 10, wherein the elevation adjustment end is provided with a threaded section, the support member is provided with an adjustment nut engaged with the threaded section, and the elevation adjustment end is threaded into the adjustment nut.

12. The floating oil collecting device of the sedimentation tank as claimed in claim 1, wherein an oil delivery pipe is connected to the oil discharge port, and an oil suction pump is installed on the oil delivery pipe.

13. A sedimentation tank, characterized in that it comprises a sedimentation tank floating oil collecting device according to any one of claims 1 to 12.