CN214106040U

CN214106040U - Automatic back flush filtration system of residual oil

Info

Publication number: CN214106040U
Application number: CN202023292315.8U
Authority: CN
Inventors: 钱卫; 周炳洪
Original assignee: Nantong Upstar Filtering Equipment Co ltd
Current assignee: Nantong Upstar Filtering Equipment Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-03
Anticipated expiration: 2030-12-29

Abstract

The invention discloses an automatic residual oil backwashing and filtering system, and relates to the technical field of residual oil flushing and filtering. The invention comprises a filtering device and a back washing device, wherein the back washing device is arranged at the bottom of the filtering device, and is fixedly connected with the filtering device. The invention can realize reliable intelligent control, automatic operation of filtration, cleaning and pollution discharge, unattended operation and uninterrupted operation, utilizes the bottom oil of the fractionating tower as a back washing medium, has high cleanliness and large back washing energy, eliminates raw oil during back washing, can cause inner particles to be blocked in the gaps of the inner surface of the filter element, cannot realize a gas-assisted back washing type filter, utilizes the bottom oil of the fractionating tower to replace residual oil in the filter cylinder, ensures that the content of impurities and the particle size of the residual oil in the filter cylinder are far smaller than those of the residual oil after filtration, and can be used as soaking oil according to actual conditions.

Description

Automatic back flush filtration system of residual oil

Technical Field

The invention belongs to the technical field of residual oil flushing and filtering, and particularly relates to an automatic residual oil backwashing and filtering system.

Background

The traditional filter adopts filtered liquid or nitrogen for back flushing, the back flushing energy is large, particles in raw oil can be blocked in gaps on the inner surface of the filter element when the back flushing cannot be eliminated, the manpower is wasted, and the productivity is influenced.

Disclosure of Invention

The invention aims to provide an automatic residual oil backwashing and filtering system, which solves the existing problems: the traditional filter adopts filtered liquid or nitrogen for back flushing, the back flushing energy is large, particles in raw oil can be blocked in gaps on the inner surface of the filter element when the back flushing cannot be eliminated, the manpower is wasted, and the productivity is influenced.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic residual oil backwashing filter system, which comprises a filter device and a backwashing device, wherein the backwashing device is arranged at the bottom of the filter device, and is fixedly connected with the filter device.

Furthermore, the filtering device comprises an outlet pipeline, an inlet pipeline, a filtering shell, a filtering cylinder, an automatic process valve, a filtering core and a differential pressure transmitter, wherein the filtering cylinder is arranged between the outlet pipeline and the inlet pipeline, and two ends of the filtering cylinder are respectively communicated with the outlet pipeline and the inlet pipeline.

Furthermore, the filter element is arranged on the inner surface wall of the filter cylinder, the filter element is fixedly connected with the filter cylinder, the filter shell is arranged on the top of the filter cylinder, and the filter shell is fixedly connected with the filter cylinder.

Furthermore, the automatic process valve is arranged in the inlet pipeline and fixedly connected with the inlet pipeline, and the output end of the differential pressure transmitter is electrically connected with the input end of the automatic process valve through a wire harness.

Furthermore, the backwashing device comprises a backwashing pipeline, a replacement pipeline and a sewage discharge pipeline, wherein the backwashing pipeline is arranged at the bottom of the outlet pipeline, and the backwashing pipeline extends into the outlet pipeline.

Furthermore, the backwashing pipeline is fixedly connected with the outlet pipeline, the replacement pipeline is arranged at the top of the inlet pipeline, and the replacement pipeline extends into the inlet pipeline.

Further, the replacement pipeline is fixedly connected with the inlet pipeline, and the sewage discharge pipeline is arranged at the bottom of the inlet pipeline.

Further, the sewage pipeline extends into the inlet pipeline and is fixedly connected with the inlet pipeline.

Furthermore, a raw oil outlet and a backwashing oil inlet are formed in the top of the filter cylinder, and a raw oil inlet and a backwashing sewage outlet are formed in the bottom of the filter cylinder.

Further, the filter element adopts a wedge-shaped winding spiral pipe, and the shape of the filter element is wedge-shaped.

The invention has the following beneficial effects:

1. the invention can realize reliable intelligent control, automatic operation of filtration, cleaning and pollution discharge, unattended operation and uninterrupted operation, utilizes the bottom oil of the fractionating tower as a back washing medium, has high cleanliness and large back washing energy, eliminates raw oil during back washing, can cause inner particles to be blocked in the gaps of the inner surface of the filter element, cannot realize a gas-assisted back washing type filter, utilizes the bottom oil of the fractionating tower to replace residual oil in the filter cylinder, ensures that the content of impurities and the particle size of the residual oil in the filter cylinder are far smaller than those of the residual oil after filtration, and can be used as soaking oil according to actual conditions.

2. The invention uses the bottom oil displacement and back washing of the fractionating tower to lead the dirty oil to be light oil, thus being beneficial to the transportation and the subsequent remill of the dirty oil, and the design of an optimized control mode has short back washing time, less pollution discharge consumption, resource saving, strong maintainability and simple and easy installation and disassembly.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a filter cartridge according to the present invention;

FIG. 3 is a schematic diagram of a 601-SR-1101B column filter circuit according to the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

fig. 5 is an enlarged view of the invention at B in fig. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a filtration device; 101. an outlet conduit; 102. an inlet duct; 103. a filter shell; 104. a filter cartridge; 105. an automatic process valve; 106. a filter element; 107. a differential pressure transmitter; 2. a backwashing device; 201. backwashing the pipeline; 202. replacing the pipeline; 203. a sewage pipeline.

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.

Referring to fig. 1-5, the present invention is an automatic residual oil backwashing filter system, which includes a filter unit 1 and a backwashing unit 2, wherein the backwashing unit 2 is disposed at the bottom of the filter unit 1, and the backwashing unit 2 is fixedly connected to the filter unit 1.

The filter device 1 comprises an outlet pipe 101, an inlet pipe 102, a filter housing 103, a filter cartridge 104, an automatic process valve 105, a filter element 106 and a differential pressure transmitter 107, wherein the filter cartridge 104 is arranged between the outlet pipe 101 and the inlet pipe 102, and two ends of the filter cartridge 104 are respectively communicated with the outlet pipe 101 and the inlet pipe 102.

Filter core 106 sets up at the interior surface wall of straining a section of thick bamboo 104, filter core 106 and strain a section of thick bamboo 104 fixed connection, it sets up at the top of straining a section of thick bamboo 103 to strain shell 103 and strain a section of thick bamboo 104 fixed connection, filter equipment 1 adopts wedge winding spiral pipe as filter core 106, wedge winding spiral pipe has complete asymmetric wedge profile structure, one side structure of contacting with the feed is compact, and contact the side structure loose with the permeate liquid, present wedge (the shape of falling the horn mouth), the pollutant deposit is on the surface of filter core 106, can not deepen to the filtration pore, because the pollutant is on the filter core 106 surface, the backwash is washed the deposit down very easily, keep the original circulation of filter core 106, the recovery nature of liquid production volume is splendid promptly.

An automatic process valve 105 is disposed in the inlet pipe 102, the automatic process valve 105 is fixedly connected to the inlet pipe 102, and an output end of the differential pressure transmitter 107 is electrically connected to an input end of the automatic process valve 105 through a wire harness.

The backwashing device 2 comprises a backwashing pipe 201, a replacement pipe 202 and a sewage discharge pipe 203, wherein the backwashing pipe 201 is arranged at the bottom of the outlet pipe 101, and the backwashing pipe 201 extends into the outlet pipe 101.

The backwash pipe 201 is fixedly connected with the outlet pipe 101, the replacement pipe 202 is arranged at the top of the inlet pipe 102, and the replacement pipe 202 extends into the inlet pipe 102.

The displacement pipe 202 is fixedly connected to the inlet pipe 102, and the sewage pipe 203 is disposed at the bottom of the inlet pipe 102.

The sewage pipe 203 extends into the inlet pipe 102, the sewage pipe 203 is fixedly connected with the inlet pipe 102, and a DCS (programmable controller) outputs a contact signal through a program according to a set point signal of a differential pressure transmitter 107 or a time relay to enable a field electromagnetic valve to act and drive an actuating mechanism to change the corresponding valve position state. The control system determines the relation between information to arrange the input and output configuration according to the design of the flow, and numbers the input and output addresses. Meanwhile, a control button corresponding to the valve is set in the system, forced backwashing can be performed on the corresponding filter by pressing the button, data such as backwashing process time, backwashing interval period, backwashing differential pressure and the like can be set at will according to the specific conditions of the process and the technology, so that the operation of the filter is more consistent with the field operation conditions, the discharge amount of the dirty liquid is reduced, real-time data exchange can be performed by the DCS, a user can monitor the operation state of the filter at the DCS, the filter can be started or stopped, and backwashing operation can be performed on the field filter remotely.

A raw oil outlet and a backwashing oil inlet are formed in the top of the filter cylinder 104, and a raw oil inlet and a backwashing sewage outlet are formed in the bottom of the filter cylinder 104.

The filter element 106 is a wedge-shaped wound spiral tube, and the filter element 106 is wedge-shaped.

One specific application of this embodiment is: raw oil enters the filter through an inlet pipeline 102, is evenly distributed to each filter cylinder 104, enters the filter cylinders 104 from the lower parts of the filter cylinders 104 from bottom to top, passes through the filter cores 106 from outside to inside, the filter cores 106 intercept solid particles, and the filtered oil flows out from the top of the filter cylinders 104 after passing through the filter cores 106 and flows out of the filter through an outlet pipeline 101 to enter downstream equipment. As particulates build up on the surface of the filter element 106, the filter differential pressure gradually rises. When the differential pressure of the filter reaches a set value, a system program starts to control the backwashing of the filter, the differential pressure of the system recovers the initial differential pressure after the backwashing, when the differential pressure of the system reaches a preset set value, the control program starts the backwashing, firstly, an inlet header valve of a row of filter cylinders 104 is closed, the main filter cylinder 104 is cut out, the other filter cylinders 104 are normally filtered, the main filter cylinder 104 opens a forward displacement valve, automatic blow-down valves of the filter cylinders 104 of the main filter cylinder 104 are sequentially opened and closed (the time is adjustable) for forward displacement, the main filter cylinder 104 closes an automatic process valve 105 and an outlet header valve, and the main filter cylinder 104 is cut out of the system; then, the automatic valve of the backwash inlet main pipe is opened, the automatic drain valves of the filter cartridges 104 of the main filter cartridge 104 are sequentially opened and closed, and backwash fluid with pressure enters the filter cartridges 104 for backwashing, wherein each filter cartridge 104 is usually backwashed for 5-10 seconds, and each backwash of one filter cartridge 104 is ensured. When all of the filter cartridges 104 are back flushed, the column of filter cartridges 104 is clean and the main filter cartridge 104 back flush inlet manifold valve is closed; the inlet and outlet manifold valves are opened and the filter cartridge 104 reenters normal filtration and the control program then switches the next row of filter cartridges 104 out for backwash. Each filter cartridge 104 is backflushed in sequence until all filter cartridges 104 are backflushed. The control routine then resumes to continue sensing system pressure differential.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The automatic residual oil backwashing filter system comprises a filter device (1) and a backwashing device (2), and is characterized in that: the back washing device (2) is arranged at the bottom of the filtering device (1), and the back washing device (2) is fixedly connected with the filtering device (1).

2. An automatic backwash filter system for residual oil according to claim 1, characterized in that: the filtering device (1) comprises an outlet pipeline (101), an inlet pipeline (102), a filtering shell (103), a filtering cylinder (104), an automatic process valve (105), a filtering core (106) and a differential pressure transmitter (107), wherein the filtering cylinder (104) is arranged between the outlet pipeline (101) and the inlet pipeline (102), and two ends of the filtering cylinder (104) are respectively communicated with the outlet pipeline (101) and the inlet pipeline (102).

3. An automatic backwash filter system for residual oil according to claim 2, characterized in that: the filter element (106) is arranged on the inner surface wall of the filter cylinder (104), the filter element (106) is fixedly connected with the filter cylinder (104), the filter shell (103) is arranged on the top of the filter cylinder (104), and the filter shell (103) is fixedly connected with the filter cylinder (104).

4. A residue oil automatic back-flushing filtering system according to claim 3, characterized in that: the automatic process valve (105) is arranged in the inlet pipeline (102), the automatic process valve (105) is fixedly connected with the inlet pipeline (102), and the output end of the differential pressure transmitter (107) is electrically connected with the input end of the automatic process valve (105) through a wiring harness.

5. An automatic backwash filter system for residual oil according to claim 1, characterized in that: the backwashing device (2) comprises a backwashing pipeline (201), a replacement pipeline (202) and a sewage discharge pipeline (203), wherein the backwashing pipeline (201) is arranged at the bottom of the outlet pipeline (101), and the backwashing pipeline (201) extends into the outlet pipeline (101).

6. An automatic backwash filter system for residual oil according to claim 5, characterized in that: the backwashing pipeline (201) is fixedly connected with the outlet pipeline (101), the replacement pipeline (202) is arranged at the top of the inlet pipeline (102), and the replacement pipeline (202) extends into the inlet pipeline (102).

7. An automatic backwash filter system for residual oil according to claim 6, characterized in that: the replacement pipeline (202) is fixedly connected with the inlet pipeline (102), and the sewage discharge pipeline (203) is arranged at the bottom of the inlet pipeline (102).

8. An automatic backwash filter system for residual oil according to claim 7, characterized in that: the sewage discharge pipeline (203) extends into the inlet pipeline (102), and the sewage discharge pipeline (203) is fixedly connected with the inlet pipeline (102).

9. A residue oil automatic back-flushing filtering system according to claim 3, characterized in that: a raw oil outlet and a backwashing oil inlet are formed in the top of the filter cylinder (104), and a raw oil inlet and a backwashing sewage outlet are formed in the bottom of the filter cylinder (104).

10. A residue oil automatic back-flushing filtering system according to claim 3, characterized in that: the filter element (106) adopts a wedge-shaped winding spiral pipe, and the shape of the filter element (106) is wedge-shaped.