CN216703618U

CN216703618U - Raw oil filter equipment is used in carbon black production

Info

Publication number: CN216703618U
Application number: CN202123170458.6U
Authority: CN
Inventors: 胡琪; 陈忠斌; 袁俊飞; 程峰; 徐胜文
Original assignee: Tangshan Black Cat Carbon Black Co ltd
Current assignee: Tangshan Black Cat Carbon Black Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-10
Anticipated expiration: 2031-12-17

Abstract

The application relates to a raw oil filtering device for carbon black production, which comprises two filters, wherein the two filters are connected through a raw oil pipeline, and each filter comprises a shell, a magnetic bar, a filter cylinder, a keel frame, a rotating shaft, a driving motor and a three-way pipe; the bottom of the shell is funnel-shaped, and the magnetic rod and the keel frame are both L-shaped; the bottom of the shell is provided with an oil inlet and a slag discharge port, and the top of the shell is provided with an oil outlet; the cross section of the three-way pipe is T-shaped, one end of the three-way pipe is connected with the oil inlet, and the other two ends of the three-way pipe are opposite to the funnel-shaped side wall at the bottom of the shell. The method can remove solid impurities in the carbon black raw oil, reduce the probability of blockage of the filter screen, reduce the pressure of the carbon black raw oil on the filter screen and prolong the service life of the filter screen.

Description

Raw oil filter equipment is used in carbon black production

Technical Field

The application relates to the technical field of carbon black raw oil filtration, in particular to a raw oil filtering device for carbon black production.

Background

The quality of carbon black raw oil greatly influences the quality of carbon black, at present, in domestic carbon black preparation, aromatic oil such as tar is mostly adopted for cracking, the tar often contains coke breeze and metal impurities generated in the coking process, and the direct application easily blocks an oil pipeline and an oil spray gun for carbon black production, so that the normal production and the product quality are influenced. In the actual production process, a basket filter is mostly used for removing solid impurities in the raw oil, but due to the fact that tar is high in viscosity, the filter screen is easily blocked by oil residues through a conventional filtering mode, the viscosity of the blocked oil residues is extremely high, and the oil residues are easily adhered to the filter screen and are difficult to remove.

Disclosure of Invention

The utility model aims to provide a raw oil filter device for producing carbon black, which can remove solid impurities in the raw oil of carbon black, reduce the probability of blockage of a filter screen, reduce the pressure of the raw oil of carbon black on the filter screen and prolong the service life of the filter screen.

The technical scheme adopted by the utility model is as follows: a raw oil filtering device for carbon black production comprises two filters, wherein the two filters are connected through a raw oil pipeline, and each filter comprises a shell, a magnetic bar, a filter cylinder, a keel frame, a rotating shaft, a driving motor and a three-way pipe; the bottom of the shell is funnel-shaped, one end of the rotating shaft extends into the shell, the other end of the rotating shaft is connected with the driving motor, the magnetic rods and the keel frame are both L-shaped, and the magnetic rods are arranged on the outer surface of the filter cylinder in a circumferential array mode and are connected with the rotating shaft; the filter cartridge is internally provided with a filter screen parallel to the bottom surface of the filter cartridge, the space inside the filter cartridge is divided into at least two filter chambers, and the keel frames in each filter chamber are arranged on the inner walls of the filter chambers in a circumferential array manner and are connected with the rotating shaft; the bottom of the shell is provided with an oil inlet and a slag discharge port, and the top of the shell is provided with an oil outlet; the cross section of the three-way pipe is T-shaped, one end of the three-way pipe is connected with the oil inlet, and the other two ends of the three-way pipe on the same horizontal plane are opposite to the funnel-shaped side wall at the bottom of the shell.

Further, the number of the filter screens is 2-3, and the aperture of the filter screens is reduced from bottom to top in sequence.

Further, keel frame and the inside airflow channel that is provided with of pivot, be provided with the admission valve on the casing lateral wall, keel frame is close to one side of filter screen and is provided with the gas pocket, airflow channel with the admission valve passes through air flow pipeline sealing connection.

Furthermore, a one-way valve is arranged at the joint of the keel frame and the airflow channel of the rotating shaft.

Further, still include oil pressure difference sensor and inlet valve, oil pressure difference sensor one end sets up in straining a section of thick bamboo outside, and the other end sets up in straining the filter chamber at a section of thick bamboo top, and with inlet valve and admission valve electric connection, the inlet valve sets up oil inlet department.

Further, the number of bar magnets is 3~8, the number of filter screen is 1~3, and the keel frame quantity in every filter chamber is 3~ 8.

The utility model has the beneficial effects that:

(1) the magnetic bar arranged on the outer side of the filter cylinder in a surrounding manner adsorbs metal impurities in the carbon black raw oil, so that the possibility of blocking the filter cylinder by the metal impurities is reduced, and meanwhile, the driving motor drives the magnetic bar to rotate around the outer side of the filter cylinder, so that the metal impurities can be adsorbed in all aspects; the keel frame can support the filter cartridge and the filter screen, so that the filter cartridge and the filter screen are prevented from being damaged by the oil pressure of the carbon black raw oil, and the service lives of the filter cartridge and the filter screen are prolonged;

(2) when the filter cylinder and the filter holes on the filter screen are blocked by impurities, airflow can be sprayed to the filter holes through the air holes and the airflow channel to blow off the impurities attached to the filter holes, so that the self-cleaning of the filter cylinder is realized, and the service life of the filter cylinder is prolonged; the air flow direction flows from the interior of the filter cylinder to the exterior of the filter cylinder, so that the blown impurities fall on the exterior of the filter cylinder and can be discharged out of the shell through the slag discharge port; the oil pressure difference between the inside and the outside of the filter cylinder can be detected through the oil pressure difference sensor, the closing and the opening of the oil inlet valve and the air inlet valve are controlled, and the check valve can prevent the carbon black raw oil from flowing into an airflow pipeline;

(3) the T-shaped three-way pipe can prevent raw carbon black oil from directly impacting the filter cylinder, and raw oil sprayed out of the three-way pipe is firstly buffered by the funnel-shaped side surface of the shell, so that the filter cylinder is prevented from being damaged; meanwhile, the T-shaped three-way pipe can prevent blown impurities from falling into the three-way pipe and blocking the three-way pipe and the oil inlet valve.

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 embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a filter in an embodiment of the utility model;

FIG. 3 is a schematic structural diagram of a magnetic rod according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a filter cartridge according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the keel frame according to the embodiment of the utility model.

The reference signs explain: 1-shell, 2-magnetic bar, 3-filter cartridge, 4-keel frame, 5-rotating shaft, 6-driving motor, 7-three-way pipe, 8-filter screen, 9-slag discharge port, 10-air inlet valve, 11-air hole, 12-air flow pipeline, 13-oil pressure difference sensor, 14-oil inlet valve and 15-oil outlet.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

As shown in fig. 1 to 5, a raw oil filtering device for carbon black production comprises two filters, wherein the two filters are connected through a raw oil pipeline, the two filters can work simultaneously, one of the filters can also be used as a standby filter, and when one filter breaks down, the standby filter can continue to work to realize uninterrupted production. The filter comprises a shell 1, a magnetic bar 2, a filter cartridge 3, a keel frame 4, a rotating shaft 5, a driving motor 6 and a three-way pipe 7; the bottom of the shell 1 is funnel-shaped, one end of the rotating shaft 5 extends into the shell 1, the other end of the rotating shaft is connected with the driving motor 6, the magnetic rods 2 and the keel frame 4 are L-shaped, and the magnetic rods 2 are arranged on the outer surface of the filter cylinder 3 in a circumferential array mode and are connected with the rotating shaft 5; the filter cylinder 3 is also internally provided with a filter screen 8 parallel to the bottom surface of the filter cylinder 3, the inner space of the filter cylinder 3 is divided into at least two filter chambers, and the keel frames 4 in each filter chamber are arranged on the inner walls of the filter chambers in a circumferential array manner and are connected with the rotating shaft 5; an oil inlet and a slag discharge port 9 are formed in the bottom of the shell 1, and an oil outlet 15 is formed in the top of the shell; the cross section of the three-way pipe 7 is T-shaped, one end of the three-way pipe 7 is connected with the oil inlet, and the other two ends of the three-way pipe which are positioned on the same horizontal plane are opposite to the funnel-shaped side wall at the bottom of the shell 1.

When the carbon black raw oil enters the filter from the three-way pipe 7, the carbon black raw oil with the high flow speed is firstly buffered by the funnel-shaped side wall and then slowly flows to all parts of the filter cylinder 3, and impurities in the carbon black raw oil are filtered by the filter cylinder 3. Through the three-way pipe 7, the raw carbon black oil can be effectively prevented from directly impacting the filter cylinder 3, and the filter cylinder 3 is prevented from being damaged; meanwhile, the oil outlet end of the three-way pipe 7 is just opposite to the funnel-shaped side wall at the bottom of the shell 1, so that blown impurities can be prevented from falling into the three-way pipe 7, and the three-way pipe 7 and the oil inlet valve 14 are prevented from being blocked. The magnetic rod 2 is used for adsorbing metal impurities in the carbon black raw oil, the possibility that the filter cylinder 3 is blocked by the metal impurities is reduced, and the driving motor 6 is used for driving the magnetic rod 2 to rotate around the outer side of the filter cylinder 3 and can adsorb the metal impurities in the raw oil comprehensively. The filter drum 3 and the filter screen 8 are used for filtering solid impurities in the carbon black raw oil, the keel frame 4 is used for supporting the filter drum 3 and the filter screen 8, the filter drum 3 and the filter screen 8 are prevented from being damaged by oil pressure of the carbon black raw oil, and the service life of the filter drum 3 and the filter screen 8 is prolonged.

In the embodiment of the utility model, the number of the filter screens 8 is 2-3, and the aperture of each filter screen 8 is reduced from bottom to top in sequence. When the number of the filter screens 8 is too large, the number of the required keel frames 4 is correspondingly increased, so that the load of the driving motor 6 is too heavy, and the service life of the driving motor 6 is shortened. In a similar way, the quantity of bar magnet 2 is 3~8, and 4 quantities of keel frame in every filter chamber are 3~8, can enough effective absorption metallic impurity, for straining 3 and filter screen 8 and provide sufficient holding power, also can prevent that bar magnet 2 and keel frame 4 quantity are too much, lead to driving motor 6 to load overweight.

For preventing that solid impurity from blockking up the filtration pore, lead to straining a filter cylinder 3 and filter screen 8's filter capacity and filtration efficiency decline,

keel frame

4 and 5 inside airflow channel that are provided with of pivot, be provided with admission valve 10 on the 1 lateral wall of casing, keel frame 4 is close to one side of filter screen 8 and is provided with gas pocket 11, airflow channel with admission valve 10 passes through air flow pipeline 12 sealing connection. When the filter holes on the filter cartridge 3 and the filter screen 8 are blocked by impurities, air flow can be sprayed to the filter holes through the air holes 11 and the air flow channel, and the impurities attached to the filter holes are blown off, so that the self-cleaning of the filter cartridge 3 is realized, and the service life of the filter cartridge 3 is prolonged; and the air flow direction is from the interior of the filter cartridge 3 to the exterior of the filter cartridge 3, so that the blown impurities fall to the exterior of the filter cartridge 3 and can be discharged out of the housing 1 through the slag discharge port 9. And a check valve is arranged at the joint of the keel frame 4 and the airflow channel of the rotating shaft 5, and the check valve can prevent the carbon black raw oil from flowing into the airflow pipeline.

In addition, the embodiment of the present invention further includes an oil pressure difference sensor 13 and an oil inlet valve 14, wherein one end of the oil pressure difference sensor 13 is disposed outside the filter cartridge 3, the other end of the oil pressure difference sensor 13 is disposed in the filter chamber at the top of the filter cartridge 3, and is electrically connected to the oil inlet valve 14 and the air inlet valve 10, and the oil inlet valve 14 is disposed at the oil inlet. The oil pressure difference between the inside and the outside of the filter cylinder 3 can be detected by the oil pressure difference sensor 13, when the oil pressure difference sensor 13 detects that the oil pressure difference between the inside and the outside of the filter cylinder 3 reaches a preset set value, the oil pressure difference sensor 13 transmits a signal to the control chamber, the control chamber sends a signal to control the closing of the oil inlet valve 14 and the opening of the air inlet valve 10, the carbon black raw oil is stopped being conveyed into the filter, and the filter cylinder 3 and the filter screen 8 are cleaned by using air flow; when the oil pressure difference sensor 13 detects that the oil pressure difference between the inside and the outside of the filter cartridge 3 is restored to a normal value, the oil inlet valve 14 is controlled to be opened, the air inlet valve 10 is controlled to be closed, and the filter is restored to a normal working state.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A raw oil filtering device for carbon black production is characterized by comprising two filters, wherein the two filters are connected through a raw oil pipeline, and each filter comprises a shell, a magnetic bar, a filter cylinder, a keel frame, a rotating shaft, a driving motor and a three-way pipe; the bottom of the shell is funnel-shaped, one end of the rotating shaft extends into the shell, the other end of the rotating shaft is connected with the driving motor, the magnetic rods and the keel frame are both L-shaped, and the magnetic rods are arranged on the outer surface of the filter cylinder in a circumferential array mode and are connected with the rotating shaft; the filter cartridge is internally provided with a filter screen parallel to the bottom surface of the filter cartridge, the space inside the filter cartridge is divided into at least two filter chambers, and the keel frames in each filter chamber are arranged on the inner walls of the filter chambers in a circumferential array manner and are connected with the rotating shaft; the bottom of the shell is provided with an oil inlet and a slag discharge port, and the top of the shell is provided with an oil outlet; the cross section of the three-way pipe is T-shaped, one end of the three-way pipe is connected with the oil inlet, and the other two ends of the three-way pipe on the same horizontal plane are opposite to the funnel-shaped side wall at the bottom of the shell.

2. The raw oil filter device for carbon black production according to claim 1, wherein the number of the filter screens is 2 to 3, and the pore diameters of the filter screens decrease in order from bottom to top.

3. The raw oil filtering device for carbon black production according to claim 1, wherein an air flow channel is arranged inside the keel frame and the rotating shaft, an air inlet valve is arranged on the side wall of the shell, an air hole is arranged on one side of the keel frame close to the filter screen, and the air flow channel is connected with the air inlet valve in a sealing manner through an air flow pipeline.

4. The raw oil filtering device for carbon black production according to claim 3, wherein a check valve is provided at a connection of the keel frame and the gas flow passage of the rotating shaft.

5. The raw oil filtering device for carbon black production according to claim 1, further comprising an oil pressure difference sensor and an oil inlet valve, wherein one end of the oil pressure difference sensor is disposed outside the filter cartridge, the other end of the oil pressure difference sensor is disposed in the filter chamber at the top of the filter cartridge and is electrically connected to the oil inlet valve and the air inlet valve, and the oil inlet valve is disposed at the oil inlet.

6. The raw oil filter device for carbon black production according to claim 2, wherein the number of the magnetic rods is 3 to 8, and the number of the keel frames in each filter chamber is 3 to 8.