RU117308U1 - MAGNETIC FILTER FOR WATER TREATMENT - Google Patents

Abstract

1. Magnetogrid filter, including a housing with a flow channel for a fluid, having at the ends means for connection with supply and outlet pipelines, made in the housing, connected to the flow channel at an angle to the flow of the oncoming fluid medium, a channel with a plug located in the channel cavity with a perforated filter having a magnetic insert in the cavity, characterized in that the frontal part of the perforated filter is made with a diameter larger than the diameter of the main part of the filter with a plug so that its frontal part of the flow channel can be closed. ! 2. The filter according to claim 1, characterized in that the damped channel is mated with the flow channel at an angle of 30-60 ° to the oncoming fluid flow. ! 3. The filter according to claim 1, characterized in that the front part of the perforated filter is mated with the main part of the filter with a taper angle from 100 to 140 °. ! 4. The filter according to claim 1, characterized in that the main part of the filter is located in the body of the filter chamber with a gap "C" = 3-5 mm. ! 5. Filter of claim 1, characterized in that the magnetic insert is located outside the area of the flow channel.

Description

The proposed solution relates to hydraulic devices that filter the working stream, and can be used in cold and hot water pipelines, while filtering other fluid non-aggressive media to capture persistent mechanical impurities (including ferromagnets) and is used for installation in front of flowmeter devices.

The following solutions are known in the art related to the specified field of technology.

By Application RU (11) 2008 140 360 (13) A

(51) IPC В01В 29/00 (2006.01) “PASS FILTER”

Summary: 1. An in-line filter installed in various pipelines to filter foreign particles contained in a fluid flowing through pipelines, comprising: a housing made in the form of a linear pipe having an expanded part made with an increased diameter in its middle section, and a mounting flange fixed at both ends thereof so as to provide a coaxial connection to the pipeline by means of a seal; and a mesh screen having a generally conical shape in its front part and a generally cylindrical shape in its rear part for connection with the housing; while the mesh screen is inserted into the outlet channel of the housing and is located concentrically in the expanded part of the housing so that the front of the mesh screen is placed in the expanded part of the housing at a predetermined distance from the inlet of the housing. 2. The in-line filter according to claim 1, in which the housing has an inlet valve and a drain valve, respectively mounted on its expanded part for supplying a cleaning fluid to the inner space of its expanded part and draining it from it. The in-line filter according to claim 2, in which the inlet valve and the drain valve are located on slopes made one opposite the other on the extended part of the housing. The pass filter according to any one of claims 1 to 3, in which the mesh screen further comprises a guide extending horizontally from its front to direct the fluid up and down in the expanded part of the housing when the fluid flows into the expanded part. 5. The in-line filter according to claim 1, in which the housing is made by molding a metal pipe from the same material as the pipeline, to give a given shape and is welded to the mounting flanges at both ends. The pass filter according to claim 1, in which the housing has a landing section made around the opening of the exhaust channel, and the mesh screen has a fixing flange adapted for connection with the landing section.

However, this solution does not ensure the manufacturability of the filter mesh element, the optimal hydrodynamic conditions for the filtered stream to pass through the filter, save mesh material, as well as improve filtering properties and improve service conditions.

Also known solution

RU (11) 2200614, IPC 7 B01D 35/06.

MAGNETIC MECHANICAL FILTER

Summary: The invention relates to hydraulic devices that filter the working stream, and can be used in pipelines of cold and hot water, when filtering other fluid non-aggressive media to capture persistent mechanical impurities (including ferromagnets), and is used for installation in front of flowmeter devices. The filter contains a Y-shaped housing with a flow channel and a channel with a plug connected to each other at an obtuse angle to the flow of the incoming medium. A hole filter with a magnetic filter element mounted on a holder is installed in the channel with a plug. At the inner end of the plug and inside the flow channel, centering annular grooves are made. The hole filter is made in the form of a grid with a certain cell size, and the magnetic element is in the form of alternating non-magnetic and magnetic washers of different diameters. The technical result consists in increasing the reliability of the device.

However, this solution also does not ensure the manufacturability of the filter mesh element, the optimal hydrodynamic conditions for the filtered stream to pass through the filter, save mesh material, as well as improve filtering properties and improve service conditions.

The technical problem solved by the proposed device is to ensure high manufacturability of the filter mesh element, optimal hydrodynamic conditions for the filtered stream to pass through the filter, to save mesh material by reducing the diameter of the main part of the filter mesh element, as well as to increase filtering properties and improve service conditions .

In comparison with the known solution (RF patent No. 2200614), the claimed proposal solves the indicated technical problem, ensuring the manufacturability of the filter mesh element, optimal hydrodynamic conditions for the filtered stream to pass through the filter, saving mesh material by reducing the diameter of the main part of the filter mesh element, for account using the following set of essential features.

Magnetic mesh filter, comprising a housing with a flowing channel for the fluid, having at the ends of the means for connecting with the inlet and outlet pipes, made in the housing, connected to the flowing channel at an angle to the flow of the incoming fluid, a channel with a plug located in the cavity of the channel with a plug, with the possibility of overlapping with its front part of the flow channel, a hole filter having a magnetic insert in the cavity,

moreover

the front part of the mesh filter is made with a diameter larger than the diameter of the main part of the filter;

wherein

- the muffled channel is interfaced with the flow channel at an angle of 30-60 degrees. to the oncoming fluid flow;

- the front part of the mesh filter is paired with the main part of the filter with a taper angle of 120 to 150 degrees .;

- the main part of the strainer is placed in the housing of the filter chamber with a gap of "C" = 3-5 mm.

The device is illustrated graphic materials:

Figure 1 - filter assembly, a longitudinal section, a conical-cylindrical mesh filter.

Figure 2 - filter assembly, a longitudinal section, a hypoid mesh filter.

Figure 3 - Cone-cylindrical mesh filter.

Figure 4 - Hypoid strainer.

figure 1 - figure 2 positions indicated:

1 - filter housing.

2 - input part of the housing.

3 - output part of the housing.

4 - filter chamber (chamber with a filter element (FE))

5 - mesh screen. (SE) (filter mesh element 5);

6 - front part of the mesh screen (front part 6).

7 - the main part of the mesh screen.

8 - plug (camera cover with FE-4)

9 - ring gasket plugs.

10 - a set of alternating magnets and washers, united by a rod mounted on the plug, hereinafter - the magnetic insert. (MB)

"C" - The gap between the solar cell and the wall of the chamber, necessary for the removal of filtered water.

The operation of the device.

The incoming fluid flow (with available suspended particles) bounded by the walls of the direct-flow channel enters the frontal zone 6 of the water intake formed by a straight section of the main direct-flow channel and the conical or hypoid expansion of the frontal part 6 of the filtering mesh element 5;

the frontal part 6 of the filtering mesh (hole) element 5 is made in the form of a cone-shaped or hypoid expansion and, when installed (positioning) in the housing of the filtering chamber 4, completely overlaps the main direct-flow channel with the indicated extension of the frontal part 6.

In this case, the incoming fluid flow from the formed frontal zone of water intake, which communicates with the internal cavity of the filtering mesh element 5, partially passes filtered through the expansion of the frontal part 6 of the filtering mesh element 5 and through the mesh walls of its main part 7 into the internal cavity of the mesh element 5 and into the drainage cavity water of the filter chamber 4 formed between the wall of the filter chamber 4 and the filter mesh element 5 and further into the discharge section of the main direct-flow channel, forming outgoing fluid flow.

Moreover, the expansion 6 of the mesh element 5 for the used geometry of the interface between the main direct-flow channel and the cavity of the housing 4 of the filter chamber ensures the manufacturability of the filter mesh element 5, the optimal hydrodynamic conditions for the passage of the filtered stream in the frontal zone of water intake, the saving of mesh material due to the reduced diameter of the main part filter mesh element 5, as well as reducing the size of the filter chamber.

The proposed filter is installed in various pipelines in order to filter foreign particles contained in the fluid flowing through the pipelines and includes a housing made in the form of a main linear pipe-like part bounded at the ends by connecting flanges with the possibility of providing coaxial connection to the inlet and outlet pipelines using seals.

The specified main linear tube-shaped part is conjugated in its middle part with a lateral branch.

In this branch, with the possibility of overlapping the middle part in the filtering area, a mesh screen having a conical shape in its front part, in the rest of its part and in its rear part is a cylindrical shape for connection with plug 8 (- chamber cover with PV) of housing 1 moreover, the mesh screen 5 is inserted into the lateral outlet of the camera 4 and is located concentrically with its conical part 6 in the middle part of the main linear pipe-like part, the main channel of the housing 1 so that the front part 6 of the mesh screen 5 is placed at a predetermined distance yanii from the inlet portion 2 (inlet port) of the housing 1, with guaranteed to adjoin the perimeter to the inner wall of the main tubular portion and a linear overlapping passing a fluid stream (fluid).

The main part 7 of the mesh screen 5 (filter) is placed in the cavity of the chamber 4 with a radial clearance "C" to allow circulation around, along and the passage through the mesh screen 5 (filter) of the fluid flow, and the mesh screen 5 is in contact with the back and is positioned fixing plugging the chamber 4 with a flange-plug 8 (chamber cover with PV), having a centering groove 11 and a central protrusion with an installation thread for the rod set 10 of magnets and washers.

The proposed solution in examples of specific performance may also include structural elements (features) of the following "possible" characteristics and properties. The magnetic-mechanical filter has a housing made in the housing of the flow channel for the fluid, made at the ends of the flow channel of the means for its connection with the inlet and outlet pipelines, a cylindrical hole filter installed with the possibility of blocking the flow of fluid, made in the housing, connected to a flow channel at an obtuse angle to the flow of incoming fluid, a silenced channel with a plug, and the hole filter is partially located in the cavity of the silenced channel. and equipped with a magnetic filter element mounted on the holder, the specified magnetic filter element is made of a set of magnetic and non-magnetic placed along the axis of the holder, made with an outer diameter increasing towards the plug side, the washers, the holder of the magnetic filter element is made of stainless steel, is fixed in the plug connected with a muffled channel at its end, the flow channel is made rectilinear;

the hole filter is made in the form of a stainless steel mesh;

ring grooves centering the cylindrical filter are made on the inner end of the plug and on the mating inner surface of the flow channel;

hole filter cells are made with openings in the light, mm, from 0.1 × 0.1 to 5.0 × 5.0;

magnetic washers are made of magnetoplastics.

Claims (5)

1. Magnetic mesh filter, comprising a housing with a flowing channel for the fluid, having at the ends of the means for connecting with the inlet and outlet pipes, made in the housing, connected to the flowing channel at an angle to the flow of the incoming fluid channel with a plug located in the cavity of the channel with a plug with the possibility of blocking with its front part of the flow channel a hole filter having a magnetic insert in the cavity, characterized in that the front part of the hole filter is made with a diameter larger than meter of the filter. 2. The filter according to claim 1, characterized in that the silenced channel is coupled to the flow channel at an angle of 30-60 ° to the incoming fluid flow. 3. The filter according to claim 1, characterized in that the front of the hole filter is paired with the main part of the filter with a taper angle of from 100 to 140 °. 4. The filter according to claim 1, characterized in that the main part of the filter is placed in the housing of the filter chamber with a clearance of "C" = 3-5 mm. 5. The filter of claim 1, characterized in that the magnetic insert is located outside the zone of the flow channel.