CN213668257U

CN213668257U - Online valve type backwashing filter

Info

Publication number: CN213668257U
Application number: CN202022355557.0U
Authority: CN
Inventors: 岳向波; 陈旭; 董春华; 高凤光
Original assignee: Weifang Hongrun Petrochemical Technology Co ltd
Current assignee: Weifang Hongrun Petrochemical Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-07-13
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses an on-line valve type backwashing filter in the technical field of on-line filtration, which comprises a shell and an outer sealing cover, wherein the shell is of a valve type structure, the top of the shell is communicated with a mounting convex pipe, an outer sealing cover is hermetically connected with a through hole at the bottom of the shell through a tightening bolt of the outer sealing cover, the center of the outer sealing cover and the right side of the shell are respectively and integrally communicated with an inlet pipe and an outlet pipe, the outer ends of the inlet pipe and the outlet pipe are respectively provided with an inlet flange and an outlet flange, by arranging the valve clack suction port fan shape and the channel communicated with the outside, the medium flows back by utilizing the pressure difference, thereby realizing the back cleaning of the filter screen, solving the problem of unloading waste materials without stopping the equipment, reducing the shutdown time of the process device, meanwhile, the manpower consumption, the energy consumption and the environmental pollution required by the start-stop of the device are reduced, the potential safety hazard caused by the start-stop of the device is eliminated, and the safe operation period of the device is greatly prolonged.

Description

Online valve type backwashing filter

Technical Field

The utility model relates to an online filtration technical field specifically is an online valve type back flush filter.

Background

Modern chemical industry devices all require to realize long period operation, all need to use various filters in the fluid industry, filter the medium to play the effect of protection low reaches important equipment and instrument, just need clear up after the filter operation for a period of time. However, at present, double filters (one filter is used for one standby), even one filter is designed, only a bypass can be taken when the filter is cleaned, and impurities can only enter equipment, damage the equipment or stop the equipment together for cleaning. The filter can only be cut off from the flow when cleaned, then the oil in the filter is discharged, the top cover bolt is opened, and the filter screen can be cleaned after being taken out. In the cleaning process, a large amount of materials volatilize to pollute the environment, and even personal injury can be caused when the materials are toxic and harmful substances. At present filterable project organization, not only can't realize online clearance, in the equipment operation parking waste material processing process moreover, need consume a large amount of manpowers, energy etc. discharge the pollutant simultaneously, and bring more potential safety hazard. The chemical device which needs to cut off the waste material can not run safely, efficiently and in a long period. Therefore, a new filter is needed to be designed, based on the new filter, the utility model discloses an online valve type backwashing filter, in order to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an online valve type back flush filter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an online valve type backwashing filter comprises a shell and an outer seal cover, wherein the shell is of a valve type structure, the top of the shell is communicated with an installation convex pipe, the outer seal cover is connected with a through hole at the bottom of the shell through an outer seal cover tightening bolt in a sealing manner, the center of the outer seal cover and the right side of the shell are respectively provided with an inlet pipe and an outlet pipe which are integrally communicated, the outer ends of the inlet pipe and the outlet pipe are respectively provided with an inlet flange and an outlet flange, a valve rod guide pipe is rotatably arranged between the installation convex pipe and the bottom of an inner cavity of the shell in a penetrating manner, the upper end and the lower end of the valve rod guide pipe are sealed, the upper part and the lower part of an inner cavity of the installation convex pipe are respectively provided with an outer seal and an inner seal which are rotatably sleeved with the outer wall of the valve, the upper port of the installation convex pipe is detachably connected with a sealing pressure ring which is attached to the upper surface of the outer side seal and is rotatably sleeved on the outer wall of the valve rod guide pipe;

the top of the valve rod flow guide pipe is detachably connected with a hand wheel, the right side wall of the sealing cavity is horizontally provided with an excretion valve through a through hole and a connecting pipeline, the outlet of the excretion valve is connected with an excretion connecting flange through a mounting pipeline, the mounting pipeline is provided with a viewing mirror, the upper part of the outer wall of the valve rod flow guide pipe is provided with a fixed baffle ring which is rotatably attached to the upper part of the inner wall of the shell, a filter screen which is circularly arranged is hermetically inserted between the upper part of the inner surface of the shell and the inner surface of the outer sealing cover, the lower part of the outer wall of the valve rod flow guide pipe is also fixedly provided with a valve flap suction port fan through an opening in a communicating way, the valve flap suction port fan is positioned at the inner side of the filter screen, the valve flap suction port fan is of a hollow opening plate structure, the, the pressure difference meter is installed at the other end of the pressure-leading pipe at the high-pressure end of the pressure difference meter, the low-pressure end of the pressure difference meter is communicated and connected with the outer wall of the outlet pipe through the pressure-leading pipe at the low-pressure end of the pressure difference meter, and a pressure-leading valve at the low-pressure end of the pressure difference meter is installed on the pressure-leading pipe.

Further, valve rod honeycomb duct, filter screen and valve clack suction inlet fan all adopt the stereoplasm stainless steel to make, valve clack suction inlet fan is global leaves the gap with the filter screen inner wall.

Furthermore, the hand wheel is connected with the top of the valve rod guide pipe through a hand wheel fixing screw.

Furthermore, the sealing press ring is connected with the upper end face of the installation convex pipe through a sealing press ring bolt.

Furthermore, a circular filter screen is inserted between the upper part of the inner surface of the shell and the inner surface of the outer sealing cover through a circular groove and a filter screen sealing gasket.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up valve clack suction inlet fan-shaped and with outside UNICOM's passageway, utilized the pressure difference to make the medium flow backwards, and then realized the anti-washing to the filter screen to solved equipment and not shut down and unloaded the waste material problem, reduced the process units down time, reduced device required manpower consumption, energy consumption and environmental pollution of stopping simultaneously, stop the potential safety hazard that the device stopped and brings, prolonged device safe operation cycle greatly.

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 these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention,

FIG. 2 is an enlarged view of the utility model at A;

fig. 3 is a schematic view of the built-in structure of the present invention.

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

casing 1, valve rod honeycomb duct 2, filter screen 3, valve clack suction inlet fan 4, outer closing cap 5, inlet flange 6, outlet flange 7, hand wheel 8, hand wheel set screw 9, sight glass 10, drainage valve 11, drainage flange 12, pressure differential table 13, pressure differential table low pressure end pressure tube 14, pressure differential table low pressure end pressure tube 15, sealed clamping ring 16, sealed clamping ring bolt 17, outside is sealed 18, inside is sealed 19, the fixed ring 20 that keeps off, seal chamber 21, outer closing cap tighting bolt 22, filter screen seal ring 23, pressure differential table high pressure end pressure tube 24, pressure differential table high pressure end pressure tube 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1, the present invention provides a technical solution: an online valve type backwashing filter comprises a shell 1 and an outer seal cover 5, wherein the shell 1 is of a valve type structure, the top of the shell is communicated with an installation convex pipe, the outer seal cover 5 is hermetically connected with a through hole at the bottom of the shell 1 through an outer seal cover tightening bolt 22, the center of the outer seal cover 5 and the right side of the shell 1 are respectively provided with an inlet pipe and an outlet pipe which are integrally communicated, the outer ends of the inlet pipe and the outlet pipe are respectively provided with an inlet flange 6 and an outlet flange 7, a valve rod guide pipe 2 is rotatably arranged between the installation convex pipe and the bottom of an inner cavity of the shell 1 in a penetrating way, the upper end and the lower end of the valve rod guide pipe 2 are sealed, the upper part and the lower part of the inner cavity of the installation convex pipe are respectively provided with an outer side seal 18 and an inner side seal 19 which are rotatably sleeved with the outer wall of the valve rod guide, the upper part of the outer wall of the valve rod flow guide pipe 2 is positioned in the sealing cavity 21 and is provided with an opening, and the upper port of the installation convex pipe is detachably connected with a sealing pressure ring 16 which is attached to the upper surface of the outer side seal 18 and is rotatably sleeved on the outer wall of the valve rod flow guide pipe 2;

the top of the valve rod guide pipe 2 is detachably connected with a hand wheel 8, the right side wall of the sealing cavity 21 is horizontally provided with an excretion valve 11 through a through hole and a connecting pipeline, the outlet of the excretion valve 11 is connected with an excretion connecting flange 12 through a mounting pipeline, the mounting pipeline is provided with a sight glass 10, in order to observe the flushing effect conveniently, the upper part of the outer wall of the valve rod guide pipe 2 is provided with a fixed baffle ring 20 which is rotatably jointed with the upper part of the inner wall of the shell 1, in order to prevent the valve rod guide pipe 2 from displacing, a circularly arranged filter screen 3 is hermetically inserted between the upper part of the inner surface of the shell 1 and the inner surface of the outer sealing cover 5, the lower part of the outer wall of the valve rod guide pipe 2 is also fixedly provided with a valve flap suction port fan 4 through an opening, the valve flap suction port fan 4 is positioned at the, the differential pressure gauge high-pressure end pressure guiding pipe 24 is provided with a differential pressure gauge high-pressure end pressure guiding valve 25, the other end of the differential pressure gauge high-pressure end pressure guiding pipe 24 is provided with a differential pressure gauge 13, in order to better observe whether the filter works normally, the low-pressure end of the differential pressure gauge 13 is communicated and connected with the outer wall of the outlet pipe through the differential pressure gauge low-pressure end pressure guiding pipe 14, and the differential pressure gauge low-pressure end pressure guiding pipe 14 is provided with a differential pressure gauge low-pressure end pressure guiding valve 15.

Wherein, valve rod honeycomb duct 2, filter screen 3 and valve clack suction inlet fan 4 all adopt the stereoplasm stainless steel to make, and valve clack suction inlet fan 4 is global leaves the gap with filter screen 3 inner wall, as shown in fig. 3, valve rod honeycomb duct 2, valve clack suction inlet fan 4 and hand wheel 8 constitute torsion mechanism, and the medium gets into seal chamber 21 through drainage valve 11, and hollow valve rod honeycomb duct 2 of rethread and the opening that sets up from top to bottom flow, spouts from the opening on the valve clack suction inlet fan 4 at last, utilizes the fluid to wash the internal surface of filter screen 3.

The hand wheel 8 is connected with the top of the valve rod guide pipe 2 through a hand wheel fixing screw 9.

The sealing press ring 16 is connected with the upper end face of the mounting convex tube through a sealing press ring bolt 17.

The filter screen 3 is inserted between the upper part of the inner surface of the shell 1 and the inner surface of the outer sealing cover 5 through a circular groove and a filter screen sealing gasket 23, and the sealing performance is improved as shown in fig. 2.

One specific application of this embodiment is: judging to carry out online backwashing according to a pressure difference meter 13 at an inlet and an outlet of the filtering facility, opening a drainage valve 11 to form pressure difference in a valve clack suction port fan 4, a valve rod guide pipe 2 and the filtering facility, flushing impurities on the filter screen 3 through the valve rod guide pipe 2 and the drainage valve 11, connecting a medium recovery facility through a drainage connecting flange 12, and rotating a hand wheel 8 to carry out omnibearing cleaning on the filter screen 3 so as to achieve the aim of online cleaning the filtering facility; the method specifically comprises the following steps: after the installation is finished, confirming that the valves of the online valve type backwashing filter are all in a closed state, opening a pressure difference meter low-pressure end pressure guide valve 15 and a pressure difference meter high-pressure end pressure guide valve 25, opening a drainage valve 11 after a pressure difference meter 13 exceeds a normal pressure difference value, rotating a hand wheel 8 according to the medium condition of a sight glass 10 until a filter screen 3 is cleaned to be qualified, and closing the drainage valve 11.

It is worth noting that: the pressure difference meter adopts the existing commercial products, so the using and installing method and the model are not described again.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 present invention disclosed above are intended only to help illustrate the present invention. 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 its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An online valve type backwash filter, comprising a housing (1) and an outer closure cap (5), characterized in that: the casing (1) is of a valve structure, the top of the casing is communicated with an installation convex pipe, the outer sealing cover (5) is in sealing connection with a through hole at the bottom of the casing (1) through an outer sealing cover tightening bolt (22), the center of the outer sealing cover (5) and the right side of the casing (1) are respectively and integrally communicated with an inlet pipe and an outlet pipe, an inlet flange (6) and an outlet flange (7) are respectively installed at the outer ends of the inlet pipe and the outlet pipe, a valve rod guide pipe (2) is installed between the installation convex pipe and the bottom of an inner cavity of the casing (1) in a penetrating and rotating mode, the upper end and the lower end of the valve rod guide pipe (2) are sealed, an outer sealing (18) and an inner sealing (19) which are rotatably sleeved with the outer wall of the valve rod guide pipe (2) are respectively installed at the upper portion and the lower portion of the inner cavity, the upper part of the outer wall of the valve rod guide pipe (2) is positioned in the sealing cavity (21) and is internally provided with an opening, and the upper port of the mounting convex pipe is detachably connected with a sealing pressure ring (16) which is attached to the upper surface of the outer side seal (18) and is rotatably sleeved on the outer wall of the valve rod guide pipe (2);

the top of valve rod honeycomb duct (2) can be dismantled and be connected with hand wheel (8), there is drainage valve (11) through-hole and connecting tube horizontal installation on the right side wall of seal chamber (21), the export of drainage valve (11) is connected with through the erection tube and excretes flange (12), install sight glass (10) on the erection tube, the fixed fender ring (20) of laminating is installed on the outer wall upper portion of valve rod honeycomb duct (2) and rotates with casing (1) inner wall upper portion, sealed grafting has filter screen (3) that are circular setting between the internal surface upper portion of casing (1) and the internal surface of outer closing cap (5), the outer wall lower part of valve rod honeycomb duct (2) also communicates with each other through the opening and is fixed with valve clack suction inlet fan (4), valve clack suction inlet fan (4) are located filter screen (3) inboard, valve clack suction inlet fan (4) are hollow, the lateral level of inlet tube communicates with each other and installs differential gauge high pressure end pressure pipe (24), install differential gauge high pressure end pressure valve (25) on differential gauge high pressure end pressure pipe (24), differential gauge (13) are installed to the other end of differential gauge high pressure end pressure pipe (24), the low pressure end of differential gauge (13) communicates with each other through differential gauge low pressure end pressure pipe (14) and outlet pipe outer wall and is connected, install differential gauge low pressure end pressure valve (15) on differential gauge low pressure end pressure pipe (14).

2. An on-line valve-type backflush filter according to claim 1, wherein: valve rod honeycomb duct (2), filter screen (3) and valve clack suction inlet fan (4) all adopt the stereoplasm stainless steel to make, valve clack suction inlet fan (4) are global to be left the gap with filter screen (3) inner wall.

3. An on-line valve-type backflush filter according to claim 1, wherein: the hand wheel (8) is connected with the top of the valve rod guide pipe (2) through a hand wheel fixing screw (9).

4. An on-line valve-type backflush filter according to claim 1, wherein: and the sealing press ring (16) is connected with the upper end face of the mounting convex pipe through a sealing press ring bolt (17).

5. An on-line valve-type backflush filter according to claim 1, wherein: the filter screen (3) which is circularly arranged is inserted between the upper part of the inner surface of the shell (1) and the inner surface of the outer sealing cover (5) through a circular groove and a filter screen sealing gasket (23).