CN220722135U

CN220722135U - Central drainage device

Info

Publication number: CN220722135U
Application number: CN202322238407.5U
Authority: CN
Inventors: 刘峰; 刘登
Original assignee: Xuzhou Dade Petroleum Equipment Co ltd
Current assignee: Xuzhou Dade Petroleum Equipment Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-04-05
Anticipated expiration: 2033-08-21

Abstract

The utility model discloses a central drainage device which comprises an oil tank body, wherein a floating roof body is arranged in the oil tank body, a water collecting pit is arranged at the lower end of the floating roof body, the water collecting pit is arranged on the right side of the floating roof body, a supporting ring is fixedly connected to the upper side of the inner side wall of the water collecting pit, a filter screen is mounted on the supporting ring, the upper surface of the filter screen is lower than the upper surface of the floating roof body, a drain hole is formed in a wall plate at the lower end of the water collecting pit, a filter box is mounted on the drain hole, and a plurality of through holes are formed in the side wall of the filter box. According to the utility model, the filter screen is arranged at the inlet of the water collection pit, when rainwater on the floating roof enters the water collection pit, the filter screen can filter impurities in the rainwater, and meanwhile, the filter box is arranged at the discharge hole to filter the impurities in the rainwater again, so that the impurities which can block the pipeline are prevented from entering the central drainage device, and the risk of blocking the pipeline of the central drainage device is eliminated.

Description

Central drainage device

Technical Field

The utility model belongs to the technical field of drainage devices, and particularly relates to a central drainage device.

Background

The outer floating roof oil tank is directly exposed in the atmosphere due to the fact that the outer surface of the floating disc is directly exposed in the atmosphere, and rain and snow directly fall to the outer surface of the outer floating roof oil tank. In order to prevent rain and snow from penetrating into the oil tank from the sealing part of the floating disc or threatening the floating disc, a special drainage mechanism, known as a central drainage device, is arranged for timely and effectively removing the rain and snow on the top of the floating disc.

When the existing external floating roof oil tank drainage device is used, the external floating roof is in direct contact with the outside, and impurities and the like exist while rain, snow and the like fall on the surface of the floating roof, so that when rainwater and the like are removed through the central drainage device, the impurities and the like enter the central drainage device, and the risk of blocking a pipeline of the central drainage device exists.

Accordingly, in view of the above-described problems, it is necessary to provide a central drainage device.

Disclosure of Invention

The present utility model is directed to a central drainage device to solve the above-mentioned problems.

In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:

the utility model provides a central drainage device, includes the oil tank body, this internal floating roof body that is provided with of oil tank, the lower extreme of floating roof body is provided with the sump pit, the sump pit sets up in the right side of floating roof body, the inside wall upside fixedly connected with holding ring of sump pit, install the filter screen on the holding ring, the upper surface of filter screen is less than the upper surface of floating roof body, the discharge hole has been seted up on the lower extreme wallboard of sump pit, install the filter cartridge on the discharge hole, a plurality of through-holes have been seted up on the lateral wall of filter cartridge, the lower extreme of filter cartridge is provided with the connecting portion, connecting portion threaded connection is in the discharge hole, the lower extreme fixedly connected with first rigid pipe of sump pit, the flexible pipe is installed to the one end that the sump pit was kept away from to first rigid pipe, the second rigid pipe is installed to the one end that first rigid pipe was kept away from to the flexible pipe.

As a further improvement of the present utility model, the upper sidewall surface of the floating roof body is inclined, and the upper sidewall surface of the floating roof body is inclined downward toward the side toward the sump.

As a further improvement of the utility model, the first rigid pipe is arranged below the discharge hole, and a first flange is fixedly connected with one end of the first rigid pipe far away from the water collecting pit and one end of the second rigid pipe.

As a further improvement of the utility model, the two ends of the flexible pipe are fixedly connected with second flanges, sealing gaskets are arranged between the first flanges and the second flanges, and fixing bolts are arranged on the first flanges and the second flanges.

As a further improvement of the utility model, the flexible tube is made of synthetic resin fibers and steel reinforcement.

As a further improvement of the utility model, a first supporting rod is fixedly connected between the floating roof body and the first rigid pipe, and a second supporting rod is fixedly connected between the second rigid pipe and the bottom wall plate of the oil tank body.

As a further improvement of the utility model, one end of the second rigid pipe far away from the first flange penetrates through the side wall of the oil tank body and is arranged outside the oil tank body, one end of the second rigid pipe arranged outside the oil tank body is provided with a liquid outlet, and a valve is arranged on the liquid outlet.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the filter screen is arranged at the inlet of the water collection pit, when rainwater on the floating roof enters the water collection pit, the filter screen can filter impurities in the rainwater, and meanwhile, the filter box is arranged at the discharge hole to filter the impurities in the rainwater again, so that the impurities which can block the pipeline are prevented from entering the central drainage device, and the risk of blocking the pipeline of the central drainage device is eliminated.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a perspective view of a central drain according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a central drain according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a central drain device according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

fig. 5 is a cross-sectional view of a central drain according to an embodiment of the present utility model.

In the figure: 1. the oil tank comprises an oil tank body, a floating roof body, a water collecting pit, a filter screen, a supporting ring, a filter box, a through hole, a connecting part, a discharging hole, a first rigid pipe, a flexible pipe, a second rigid pipe, a first flange, a second flange, a sealing gasket, a fixing bolt, a first supporting rod, a second supporting rod, a liquid discharging hole and a valve.

Detailed Description

The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological, or functional modifications of the utility model from those skilled in the art are included within the scope of the utility model.

In the central drainage device disclosed by the embodiment of the utility model, when the outer floating roof oil tank is used, the floating roof is directly contacted with the outside, so that impurities such as rain and snow fall on the floating roof, the central drainage device is arranged to drain rainwater, and the central drainage device is provided for preventing the pipeline of the central drainage device from being blocked by the impurities because the rainwater contains the impurities.

Referring to fig. 1 to 5, the floating roof device comprises an oil tank body 1, wherein a floating roof body 2 is arranged in the oil tank body 1. The oil tank body 1 is a device for storing oil, a floating roof body 2 is arranged in the oil tank body 1, and the floating roof body 2 can move up and down along with the change of the liquid level in the oil tank body 1.

Referring to fig. 5, a sump 3 is provided at the lower end of the floating roof body 2, the sump 3 is provided on the right side of the floating roof body 2, the upper sidewall surface of the floating roof body 2 is inclined, and the upper sidewall surface of the floating roof body 2 is inclined downward toward one side of the sump 3. Because the floating roof body 2 is in direct contact with the outside, rain and snow and the like can fall on the surface of the floating roof body 2, and when the rainwater is accumulated on the floating roof body 2, in order to prevent the rain and the snow from penetrating into the oil tank body 1 from the sealing part of the floating roof body 2 or threatening the floating roof body 2, the rain and the snow on the floating roof body 2 need to be removed in time. Therefore, the water collection pit 3 is arranged at the lower end of the floating roof body 2, so that rain and snow on the floating roof body 2 can enter the water collection pit 3 to be discharged. In order to enable rainwater on the floating roof body 2 to flow into the water collection pit 3, the upper side wall surface of the floating roof body 2 is obliquely arranged and is downward inclined towards one side of the water collection pit 3, so that the rainwater can flow into the filter screen 4 by itself.

Referring to fig. 2, 3 and 5, a supporting ring 5 is fixedly connected to the upper side of the inner side wall of the water collection pit 3, a filter screen 4 is mounted on the supporting ring 5, and the upper surface of the filter screen 4 is lower than the upper surface of the floating roof body 2. Because there is the sleet on the surface of floating roof body 2, there is impurity etc. to fall down simultaneously, consequently in order to avoid impurity and rainwater to enter into sump 3 together, with central drainage pipe jam when discharging through sump 3, fixedly connected with support ring 5 on sump 3 inside wall is through installing filter screen 4 on support ring 5, in order to filter the impurity in the rainwater through filter screen 4, prevent that great impurity from entering into sump 3. Because filter screen 4 filters the time of impurity, when filtering more impurity, filter screen 4 can exist by the risk of jam, therefore need regularly wash filter screen 4 when using, filter screen 4 supports through supporting ring 5, easy dismounting to make the washing convenient. Meanwhile, the upper surface of the filter screen 4 is lower than the upper surface of the floating roof body 2, so that rainwater flowing on the floating roof body 2 can flow to the filter screen 4 for filtering.

Referring to fig. 4, a drain hole 9 is formed in a wall plate at the lower end of the sump 3, a filter box 6 is mounted on the drain hole 9, a plurality of through holes 7 are formed in the side wall of the filter box 6, a connecting portion 8 is arranged at the lower end of the filter box 6, and the connecting portion 8 is in threaded connection with the drain hole 9. The rainwater filtered by the filter screen 4 enters the water collection pit 3 and is discharged through the water collection pit 3. The drain hole 9 is formed in the lower end wall plate of the water collecting pit 3 so that rainwater is discharged through the drain hole 9, and the filter box 6 is arranged on the drain hole 9 so that rainwater entering the water collecting pit 3 is further filtered, so that the rainwater entering the central drainage device pipeline is ensured not to contain larger impurities, and the pipeline is not blocked during conveying.

Further, a plurality of through holes 7 are formed in the side wall of the filter cartridge 6, and rainwater is discharged through the through holes 7. In order to facilitate the disassembly and assembly of the filter box 6, the filter box 6 can be connected to the discharge hole 9 in a threaded manner through the connecting part 8 arranged at the lower end of the filter box 6, so that the filter box 6 is convenient to disassemble and assemble, and the filter box 6 is convenient to clean.

Referring to fig. 2, 3 and 5, the lower end of the sump 3 is fixedly connected with a first rigid pipe 10, the first rigid pipe 10 is disposed below the discharge hole 9, a flexible pipe 11 is installed at one end of the first rigid pipe 10 away from the sump 3, and a second rigid pipe 12 is installed at one end of the flexible pipe 11 away from the first rigid pipe 10. Rainwater in the water pit 3 enters the first rigid pipe 10 when being discharged through the discharge hole 9, is conveyed into the flexible pipe 11 through the first rigid pipe 10, is conveyed into the second rigid pipe 12 through the flexible pipe 11, and is finally discharged through the second rigid pipe 12, so that the rainwater on the floating roof body 2 is discharged.

Referring to fig. 2, 3 and 5, a first flange 13 is fixedly connected to one end of the first rigid pipe 10 far away from the sump 3 and one end of the second rigid pipe 12, a second flange 14 is fixedly connected to two ends of the flexible pipe 11, a sealing gasket 15 is arranged between the first flange 13 and the second flange 14, and fixing bolts 16 are installed on the first flange 13 and the second flange 14. Since the floating roof body 2 is lifted up and down following the change of the oil level in the oil tank body 1, in order to facilitate the drainage of rainwater on the floating roof body 2, the pipes of the central drainage device are disposed inside the oil tank body 1, so that the tightness of the connection between the pipes needs to be ensured, and at the same time, since oil is corrosive, the material needs to be corrosion resistant. By providing the second flanges 14 at both ends of the flexible pipe 11, the first flanges 13 are fixedly connected to the end of the first rigid pipe 10 far from the sump 3 and the end of the second rigid pipe 12, and by connecting the first flanges 13 and the second flanges 14, the first rigid pipe 10 and the flexible pipe 11 and the second rigid pipe 12 can be connected together. A gasket 15 is provided between the first flange 13 and the second flange 14 to ensure sealing after installation.

Because the floating roof body 2 can move up and down along with the change of the liquid level when in use, the floating roof body 2 can drive the water collection pit 3 to move when moving, and the water collection pit 3 can drive the first rigid pipe 10 to move. Therefore, in order to prevent the up-and-down movement of the floating roof body 2 from affecting the pipe of the central drainage device, the flexible pipe 11 is made of a flexible material so as to adapt to the up-and-down movement of the floating roof body 2 by bending and extending the flexible pipe 11, thereby preventing the up-and-down movement of the floating roof body 2 from affecting the central drainage device.

Preferably, the flexible tube 11 is made of synthetic resin fibers and steel reinforcement. Because the flexible pipe 11 is required to continuously follow the movement of the floating roof body 2 to bend and stretch when in use, the material of the flexible pipe 11 is required to meet the bending and stretching requirements and has good strength, so that the flexible pipe can be used for a long time under the corrosion of oil. The flexible pipe 11 is thus made of synthetic resin fibers and steel reinforcement materials so that the flexible pipe 11 has the advantages of portability, softness, flexibility, pressure resistance and corrosion resistance.

Referring to fig. 5, a first supporting rod 17 is fixedly connected between the floating roof body 2 and the first rigid pipe 10, and a second supporting rod 18 is fixedly connected between the second rigid pipe 12 and the bottom wall plate of the oil tank body 1. Since the first rigid pipe 10 and the first flange 13 are rigid pipes, the first rigid pipe 10 is supported by the first support rod 17 to ensure the stability of the first rigid pipe 10 so as to stabilize the first rigid pipe 10 and the first flange 13 during use and avoid loosening of the joint due to movement. The second rigid tube 12 is supported by the second support bar 18, ensuring the stability of the second rigid tube 12.

Referring to fig. 5, the end of the second rigid pipe 12 far from the first flange 13 penetrates through the side wall of the oil tank body 1 and is arranged outside the oil tank body 1, the end of the second rigid pipe 12 arranged outside the oil tank body 1 is provided with a liquid outlet 19, and a valve 20 is arranged on the liquid outlet 19. The rainwater conveyed by the central drainage device needs to be drained, one end of the second rigid pipe 12 penetrates through the side wall of the oil tank body 1 and is arranged on the outer side of the oil tank body 1, a drain port 19 is arranged at one end of the second rigid pipe 12 arranged on the outer side of the oil tank body 1, the rainwater is drained through the drain port 19, a valve 20 is arranged on the drain port 19, the opening and closing of the drain port 19 is controlled through the valve 20, and the valve 20 is in a normally open state in use.

During the use, when rain and snow etc. fall to the surface of floating roof body 2, can drive impurity etc. and flow on the surface of floating roof body 2 when the rainwater flows, when entering into sump 3, can filter the impurity that carries in the rainwater earlier through filter screen 4, filter screen 4 alright filter great impurity in the rainwater, the rainwater just can enter into sump 3 through filter screen 4, then in sump 3 the rainwater just can enter into discharge port 9 through the through-hole 7 on the filter cassette 6, carry out further filtration to the impurity in the rainwater through the filter cassette 6 for impurity can not block up the pipeline in the rainwater that enters into the pipeline, can enter into first rigid pipe 10 when the rainwater enters into discharge port 9 and flows, first rigid pipe 10 carries the rainwater into flexible pipe 11, flexible pipe 11 carries the rainwater into second rigid pipe 12, second rigid pipe 12 discharges the rainwater through liquid outlet 19.

The technical scheme shows that the utility model has the following beneficial effects:

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.

Claims

1. The utility model provides a central drainage device, includes the oil tank body, its characterized in that, be provided with the floating roof body in the oil tank body, the lower extreme of floating roof body is provided with the sump pit, the sump pit sets up in the right side of floating roof body, the inside wall upside fixedly connected with holding ring of sump pit, install the filter screen on the holding ring, the upper surface of filter screen is less than the upper surface of floating roof body, the discharge hole has been seted up on the lower extreme wallboard of sump pit, install the filtration box on the discharge hole, a plurality of through-holes have been seted up on the lateral wall of filtration box, the lower extreme of filtration box is provided with connecting portion, connecting portion threaded connection is in the discharge hole, the lower extreme fixedly connected with first rigid pipe of sump pit, the flexible pipe is installed to the one end that the sump pit was kept away from to first rigid pipe, the second rigid pipe is installed to the one end that the flexible pipe was kept away from first rigid pipe.

2. A central drain according to claim 1, wherein the upper sidewall surface of the floating roof body is inclined and the upper sidewall surface of the floating roof body is inclined downwardly toward the sump.

3. The central drain according to claim 1, wherein the first rigid tube is disposed below the drain hole, and a first flange is fixedly connected to both an end of the first rigid tube remote from the sump and an end of the second rigid tube.

4. A central drainage device according to claim 3, wherein the two ends of the flexible pipe are fixedly connected with second flanges, a sealing gasket is arranged between the first flange and the second flange, and fixing bolts are arranged on the first flange and the second flange.

5. A central drain according to claim 4, wherein the flexible tube is made of synthetic resin fibers and steel reinforcement.

6. The central drainage device of claim 1, wherein a first support rod is fixedly connected between the floating roof body and the first rigid pipe, and a second support rod is fixedly connected between the second rigid pipe and the bottom wall plate of the oil tank body.

7. The central drainage device according to claim 1, wherein the end of the second rigid pipe far from the first flange penetrates through the side wall of the oil tank body and is arranged outside the oil tank body, the end of the second rigid pipe arranged outside the oil tank body is provided with a liquid outlet, and a valve is arranged on the liquid outlet.