CN216366999U

CN216366999U - Decompression tower impurity filtering device

Info

Publication number: CN216366999U
Application number: CN202122683509.9U
Authority: CN
Inventors: 石培恒; 肖春杰; 肖春苗
Original assignee: Cangzhou Hengyi Petrochemical Equipment Co ltd
Current assignee: Cangzhou Hengyi Petrochemical Equipment Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-04-26
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an impurity filtering device of a vacuum tower, belonging to the technical field of vacuum towers, which is characterized by comprising a tower body, wherein residual oil in the tower body flows to a filtering cavity in a tower base, the residual oil is filtered by a screen plate, the filtered residual oil flows to a conveying belt, impurities in the filtered residual oil stay in the filtering cavity, the conveying belt rotates anticlockwise, the residual oil can be secondarily filtered, the residual oil flows to a collecting cavity along meshes, the impurities stay on the surface of the conveying belt and are scraped off by a cleaning plate, so that the filtering effect on the residual oil can be realized, the residual oil in the collecting cavity is pumped into a first connecting pipe by a pump body, the residual oil can directly flow into a filtering cylinder in the filtering pipe due to the blocking of the filtering cylinder, the residual oil is filtered again by the filtering cylinder, the filtered residual oil can enter a second connecting pipe from the right side of the filtering cylinder, and the impurities can stay in the filtering cylinder, and then realize the filtration of residual oil for many times, thereby improving the filtration effect.

Description

Decompression tower impurity filtering device

Technical Field

The utility model relates to the technical field of a decompression tower, in particular to an impurity filtering device of the decompression tower.

Background

The vacuum tower is a device for decomposing heavy oil at high temperature to make the distilled product go bad and produce coke, and the vacuum tower adopts a vacuum pumping device to reduce the pressure at the top of the tower and continuously pump the non-condensable gas produced in the tower and the blown water vapor to ensure the vacuum degree requirement of the vacuum tower.

The vacuum tower can produce a large amount of impurity at the in-process that uses, but current vacuum tower filter equipment is relatively poor to the filter effect of impurity, mostly just filters through a simple filter screen to lead to causing the damage to the slag oil pump easily when extracting residual oil.

SUMMERY OF THE UTILITY MODEL

The utility model provides a vacuum tower impurity filtering device to solve the problems.

The utility model is realized in such a way that the impurity filtering device of the vacuum tower comprises a tower body, wherein the lower end surface of the tower body is communicated with a tower base, the bottom end in the tower base is provided with a slag storage cavity and a collecting cavity, the collecting cavity is positioned on the right side of the slag storage cavity, the inside and the right side of the tower base are respectively provided with a first filtering device and a second filtering device, and the first filtering device and the second filtering device are used for filtering residual oil impurities in the tower body;

the first filtering device comprises a filtering cavity, the left side and the right side of the filtering cavity are respectively movably connected with the inner wall of the tower base, a conveying belt is arranged below the filtering cavity, and the conveying belt is positioned above the slag storage cavity and the collecting cavity;

the second filter device comprises a first connecting pipe communicated with the right side of the collecting cavity, the other end of the first connecting pipe is communicated with a second connecting pipe, a filter pipe is communicated with the lower portion of the joint of the first connecting pipe and the second connecting pipe, a filter cartridge is arranged inside the filter pipe, and the left side of the second connecting pipe is shielded by the filter cartridge.

In order to filter the residual oil flowing to the conveyor belt, the impurity filtering device of the vacuum tower is preferably provided with a screen plate on the right side of the lower end face of the filter cavity, and the upper end face of the conveyor belt is provided with a plurality of uniformly distributed meshes in a penetrating manner.

In order to scrape off impurities staying on the outer wall of the conveying belt, the impurity filtering device of the pressure reducing tower is preferably characterized in that a filtering plate is arranged between the slag storage cavity and the collecting cavity, a cleaning plate is arranged on the upper end face of the filtering plate, and the upper end face of the cleaning plate is abutted against the lower end face of the conveying belt.

In order to improve the filtering efficiency, the vacuum tower impurity filtering device of the present invention preferably has the first connecting pipe, the second connecting pipe and the filtering pipe forming a Y-shaped structure.

In order to achieve layer-by-layer filtration of impurities in residual oil, the vacuum tower impurity filtering device of the utility model is preferable, and the diameters of the screen plate, the plurality of meshes and the filtering plate and the filtering cylinder hole are sequentially reduced.

In order to clean the filter cartridge, the impurity filtering device of the vacuum tower is preferably configured such that the other end of the filter tube is in threaded connection with a sealing cover, and a sealing door is mounted on the front end surface of the tower base.

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

1. according to the impurity filtering device for the vacuum tower, residual oil in the tower body flows to the filtering cavity in the tower base, the residual oil is filtered through the screen plate, the filtered residual oil flows to the conveying belt, impurities in the residual oil stay in the filtering cavity, meanwhile, the conveying belt rotates anticlockwise, the residual oil can be secondarily filtered, the residual oil flows to the collecting cavity along meshes, the impurities stay on the surface of the conveying belt and are scraped off through the cleaning plate, and then the residual oil filtering effect can be achieved;

2. this kind of vacuum tower impurity filter equipment will collect the residual oil extraction of intracavity to first connecting pipe in through the pump body, because of blockking of cartridge filter, can make in the direct flow direction of residual oil filter tube's of cartridge filter, make the cartridge filter again to residual oil, the residual oil after the filtration can get into the second connecting pipe from the right side of cartridge filter, impurity can stop in the inside of cartridge filter simultaneously, and then has realized filtering residual oil many times to the filter effect has been improved.

Drawings

FIG. 1 is a view showing the construction of an impurity filtering apparatus of a vacuum column according to the present invention;

FIG. 2 is a sectional view of an impurity filtering apparatus of a vacuum column according to the present invention.

In the figure, 1, a tower body; 101. a tower base; 2. a first filtering device; 201. a filter chamber; 202. a screen plate; 203. a sealing door; 3. a conveyor belt; 301. mesh openings; 4. a slag storage cavity; 401. a filter plate; 402. cleaning the plate; 5. a second filtering device; 501. a first connecting pipe; 502. a second connecting pipe; 503. a filter tube; 504. a filter cartridge; 505. a sealing cover; 506. a collection chamber.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-2, a vacuum tower impurity filtering device comprises a tower body 1, wherein the lower end surface of the tower body 1 is communicated with a tower base 101, the bottom end inside the tower base 101 is provided with a slag storage cavity 4 and a collecting cavity 506, the collecting cavity 506 is positioned at the right side of the slag storage cavity 4, the inside and the right side of the tower base 101 are respectively provided with a first filtering device 2 and a second filtering device 5, and the first filtering device 2 and the second filtering device 5 are used for filtering slag oil impurities in the tower body 1;

the first filtering device 2 comprises a filtering cavity 201, the left side and the right side of the filtering cavity 201 are respectively movably connected with the inner wall of the tower base 101, a conveyor belt 3 is arranged below the filtering cavity 201, and the conveyor belt 3 is positioned above the slag storage cavity 4 and the collecting cavity 506;

the second filtering device 5 comprises a first connecting pipe 501 communicated with the right side of the collecting cavity 506, the other end of the first connecting pipe 501 is communicated with a second connecting pipe 502, a filtering pipe 503 is communicated below the joint of the first connecting pipe 501 and the second connecting pipe 502, a filtering cylinder 504 is installed inside the filtering pipe 503, and the filtering cylinder 504 shields the left side of the second connecting pipe 502.

In this embodiment: the impurity collection during residual oil filtration can be realized through the residue storage cavity 4, the filtered residual oil can be collected through the collection cavity 506, the residual oil in the tower body 1 can be filtered through the first filtering device 2 and the second filtering device 5, the residual oil in the tower body 1 particularly flows to the filtering cavity 201 in the tower base 101, the residual oil is filtered through the screen plate 202, the filtered residual oil flows to the conveying belt 3, the impurities in the residual oil stay in the filtering cavity 201, meanwhile, the conveying belt 3 rotates anticlockwise, the residual oil can be secondarily filtered, the residual oil flows to the collection cavity 506 along the meshes 301, the impurities stay on the surface of the conveying belt 3, and the residual oil is scraped off through the cleaning plate 402, so that the residual oil filtering effect can be realized;

residual oil in the collection cavity 506 is pumped into the first connecting pipe 501 through the pump body, and due to the blocking of the filter cylinder 504, the residual oil can directly flow into the filter cylinder 504 in the filter pipe 503, so that the filter cylinder 504 filters the residual oil again, the filtered residual oil can enter the second connecting pipe 502 from the right side of the filter cylinder 504, and meanwhile, impurities can stay in the filter cylinder 504, so that the residual oil is filtered for many times, and the filtering effect is improved.

As a technical optimization scheme of the utility model, the screen plate 202 is arranged on the right side of the lower end face of the filter cavity 201, and the upper end face of the conveyor belt 3 is provided with a plurality of uniformly distributed meshes 301 in a penetrating way.

In this embodiment: residual oil filtered by the filter chamber 201 can smoothly flow to the conveyor belt 3 through the screen plate 202, and residual oil flowing to the conveyor belt 3 can be filtered through the meshes 301.

As a technical optimization scheme of the utility model, a filter plate 401 is arranged between the slag storage cavity 4 and the collection cavity 506, a cleaning plate 402 is arranged on the upper end face of the filter plate 401, and the upper end face of the cleaning plate 402 is abutted against the lower end face of the conveyor belt 3.

In this embodiment: can filter the little part residual oil that gets into in the storage sediment chamber 4 through filter 401, when conveyer belt 3 pivoted, accessible cleaning plate 402 will stop the impurity of conveyer belt 3 outer wall and strike off, make impurity drop in storage sediment chamber 4.

As a technical optimization of the present invention, the first connecting pipe 501, the second connecting pipe 502 and the filtering pipe 503 form a Y-shaped structure.

In this embodiment: a Y-shaped structure is formed by the first and

second connection pipes

501 and 502 and the filtering pipe 503 to facilitate better filtering of the residual oil, thereby improving filtering efficiency.

As a technical optimization of the present invention, the diameters of the mesh plate 202, the plurality of meshes 301 and the filter plate 401, and the pores of the filter cartridge 504 become smaller in order.

In this embodiment: the diameters of the screen plate 202, the plurality of meshes 301, the filter plate 401 and the filter cylinder 504 are sequentially reduced, so that the impurities in the residual oil are filtered layer by layer.

As a technical optimization scheme of the utility model, the other end of the filter pipe 503 is in threaded connection with a sealing cover 505, and the front end surface of the tower seat 101 is provided with a sealing door 203.

In this embodiment: by opening the sealing lid 505, the filter cartridge 504 can be taken out of the filter pipe 503, thereby cleaning the filter cartridge 504, and the inside thereof can be repaired by opening the tower base 101 through the sealing door 203.

The working principle and the using process of the utility model are as follows: firstly, the residual oil in the tower body 1 enters the filter chamber 201 and is filtered by the screen plate 202, the filtered residual oil flows to the conveyor belt 3, and then the conveyor belt 3 rotates anticlockwise. Meanwhile, residual oil can pass through the meshes 301 and fall into the collecting cavity 506, when the conveyor belt 3 rotates to be close to the filter plate 401, impurities staying on the outer wall of the conveyor belt 3 can be scraped off and fall into the slag storage cavity 4 through the cleaning plate 402, part of the residual oil entering the slag storage cavity 4 can enter the filter plate 401 to be filtered and flow to the collecting cavity 506, then the pump body extracts the residual oil in the collecting cavity 506 to the first connecting pipe 501, the residual oil directly enters the filter cylinder 504 to be filtered, the filtered residual oil enters the second connecting pipe 502, the impurities stay in the filter cylinder 504, finally the sealing cover 505 can be opened, the filter cylinder 504 is taken out to be cleaned, and meanwhile, the sealing door 203 is opened to clean the impurities in the filter cavity 201 and the slag storage cavity 4.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a decompression tower impurity filter equipment, includes tower body (1), its characterized in that: the lower end face of the tower body (1) is communicated with a tower base (101), a slag storage cavity (4) and a collection cavity (506) are installed at the bottom end of the interior of the tower base (101), the collection cavity (506) is located on the right side of the slag storage cavity (4), a first filtering device (2) and a second filtering device (5) are installed in the interior and the right side of the tower base (101) respectively, and the first filtering device (2) and the second filtering device (5) are used for filtering slag oil impurities in the tower body (1);

the first filtering device (2) comprises a filtering cavity (201), the left side and the right side of the filtering cavity (201) are respectively movably connected with the inner wall of the tower base (101), a conveying belt (3) is arranged below the filtering cavity (201), and the conveying belt (3) is positioned above the slag storage cavity (4) and the collecting cavity (506);

the second filtering device (5) comprises a first connecting pipe (501) communicated with the right side of the collecting cavity (506), the other end of the first connecting pipe (501) is communicated with a second connecting pipe (502), a filtering pipe (503) is communicated with the lower portion of the joint of the first connecting pipe (501) and the second connecting pipe (502), a filtering cylinder (504) is installed inside the filtering pipe (503), and the filtering cylinder (504) shields the left side of the second connecting pipe (502).

2. The impurity filtering device of a pressure reducing tower as set forth in claim 1, wherein: a screen plate (202) is installed on the right side of the lower end face of the filter cavity (201), and a plurality of uniformly distributed meshes (301) are formed in the upper end face of the conveyor belt (3) in a penetrating mode.

3. The impurity filtering device of a pressure reducing tower as set forth in claim 1, wherein: store up and install filter (401) between sediment chamber (4) and collection chamber (506), clearance board (402) is installed to the up end of filter (401), the up end of clearance board (402) and the lower terminal surface butt of conveyer belt (3).

4. The impurity filtering device of a pressure reducing tower as set forth in claim 1, wherein: the first connecting pipe (501), the second connecting pipe (502) and the filtering pipe (503) form a Y-shaped structure.

5. The impurity filtering device of a pressure reducing tower as set forth in claim 2, wherein: the diameters of the mesh plate (202), the plurality of mesh holes (301), the filter plate (401) and the filter cartridge (504) become smaller in sequence.

6. The impurity filtering device of a pressure reducing tower as set forth in claim 1, wherein: the other end of the filter pipe (503) is in threaded connection with a sealing cover (505), and a sealing door (203) is installed on the front end face of the tower seat (101).