Device for magnetic treatment of liquids

 

(57) Abstract:

Is intended to prevent wax and paraffin deposits, reducing the corrosiveness of the liquid. The technical result is to increase the efficiency of magnetic treatment of fluid flow with any velocity and any physico-chemical properties and reducing the consumption of magnetic material. On the ferromagnetic pipe with one end of each annular permanent magnet installed without a gap ferromagnetic rings. External pole all shunted by magnets mounted along the longitudinal axis of the pipe without gap to the poles evenly over the outer surface of the magnets, the ferromagnetic plates. The distance between the ends of adjacent rings are made not less than the width of the magnet. Outside magnets and rings tightly covered ferromagnetic screen. These elements of magnetic treatment is made detachable in the form of two longitudinal parts. 1 C.p. f-crystals, 9 Il.

The invention relates to the oil industry, in particular to a device for magnetic treatment of oil to prevent oil deposits on the surface and underground oilfield equipment is alzavano in the heat the water to prevent scale formation, magnetic water desalination and its activation at the concentration of minerals, etc.

A device for magnetic treatment of liquids containing successively installed axially magnetized annular permanent magnets separated by spacers of magnetic material, the innermost of a direct hydraulic drive, and a screen covering the outside of the magnetic system (see, for example, and.with. USSR N 113455O, class C 02 F 1/48, 1985).

A disadvantage of the known device is the low efficiency of the processing liquid due to the fact that created an axially magnetized permanent ring magnets magnetic field in the working gap length of the gap has a different amplitude tension. In this field there is no local concentration of the magnetic field in the working gap.

Closest to the claimed device according to the technical nature of a device for magnetic treatment of a fluid containing ferromagnetic pipe and installed on the outside surface of the annular permanent magnets, covered tightly ferromagnetic screen and installed so that its top surface with od permanent magnets facing toward the axis of the pipe the same poles, in the cavity of the pipe creates an axial magnetic field. Flowing through the pipe, the liquid is processed by this magnetic field of a given strength.

The disadvantage of this device is the low efficiency of magnetic treatment of fluids. This is because when used in the known device a single ring of magnets formed by the axial magnetic field of each annular magnet is divided into two parts with opposite direction of the power lines, so the magnetic field of each magnet is reduced by half. When this axial field of each magnet is characterized by blurred boundaries, indicating a low tension gradients of these fields. All of this allows us to obtain high efficiency for the magnetic treatment of liquids, and generally does not allow efficient processing of liquids with different physical-chemical properties (e.g., oil, water etc) and with different speeds of movement of these fluids in the working gap.

The aim of the invention is to increase the efficiency of magnetic treatment of fluid flow with any velocity and any physico-chemical properties of the way the m flow of magnetic materials.

An additional goal is to simplify the mounting and Dismounting of the device without stopping the process in difficult conditions.

This objective is achieved in that in the known device for magnetic treatment of a fluid containing ferromagnetic pipe and installed on the outside surface of the annular permanent magnets, covered tightly ferromagnetic screen and installed so that their main surfaces with the same poles facing toward the axis of the pipe, what's new is that for the ferromagnetic pipe with one end of each annular magnet installed without a gap ferromagnetic ring, outer pole all ring magnets shunted by established along the axis of the ferromagnetic pipe without a gap poles uniformly over the outer surface of the ring magnet ferromagnetic plates, the distance between the ends of adjacent rings are made not less than the width of the annular magnet.

Ring magnets, ferromagnetic rings and covering their screen can be made detachable in the form of two longitudinal parts.

It is known that high efficiency of magnetic treatment of liquid is provided by the imp is:

1. High magnetic field strength in each node.

2. High gradient in each node.

3. The possibility of wide variations in the magnetic base of the device, preserving the size and shape of the loops of the magnetic field.

We unexpectedly found that the fulfillment of these conditions depends on the relative position of the permanent ring magnets along the ferromagnetic pipe and the effectiveness of additional elements, providing the penetration of magnetic fields into the internal cavity of the ferromagnetic pipe, their local concentration and homogeneity in the pipe section. These properties of the device for magnetic treatment of fluid flow are provided proposed structural features, it does not require the use of additional elements of magnetic material.

If a single annular magnet (as in the prototype) is characterized by a smooth transition between the same raznopolosnyh the maxima of the magnetic field, then the set is additionally one of the ends without a gap ring magnets ferromagnetic rings, greatly enhances a maximum magnetic field strength at the expense of oslableniem along the axis of the ferromagnetic pipe without a gap, uniformly on the outer surface of the magnets, ferromagnetic plates, even more increase both the maximum magnetic field strength with a slight redistribution between them energy. In addition, the installation of these plates, you can practically save required for efficient processing of this fluid the configuration of the magnetic field in the working gap at different distances between the adjacent ends of the rings, which allows highly efficient magnetic treatment of liquids with different physical-chemical properties and different flow rates.

In addition, the outer ferromagnetic screen, hermetically covering the permanent magnets with additional elements: ferromagnetic rings and shunt plates, acting as a hub of magnetic flux, significantly enhances the antinodes of the magnetic field in the working gap by reducing its flux. The presence of additional ferromagnetic elements under ferromagnetic screen contributes significantly to the concentration of magnetic flux from each of the magnetic rings in single pole antinode at the contact boundary between the permanent magnets and the ferromagnetic contaminate axial magnetic field. The amplitude of the tension in such loops is almost twice higher than that of a single ring of magnets (prototype). When connecting the boundaries of these antinodes describes a sharper decline in magnetic field strength, i.e. the growth of their gradients. And, as suddenly, describes the parameters and form of local magnetic fields are formed only when the distance between two adjacent pairs of rings is not less than the width of a single annular permanent magnet. At this distance, on the one hand, is preserved (i.e., not reduced) yet the amplitude of the field strength between adjacent loops of each pair of rings, and, on the other hand - such a distance enough for the growth of the field gradients in these loops. The upper limit of the distance between the pairs of rings, as well as the number of pairs of rings are determined by the physico-chemical properties of the treated fluid, the velocity of its motion. For some liquids, e.g. water, this distance increases significantly, obviously, by increasing the contact of the liquid with the magnetic field. By changing the distance between the pairs of rings, it is possible to obtain a high efficiency of magnetic treatment of liquids with different physical-chemical properties and with different speeds of the ve longitudinal part allows mounting and Dismounting of the claimed device without stopping the process for cutting the ferromagnetic pipe in the pipeline at the site where desired magnetic treatment, which greatly simplifies the use of this device in difficult conditions.

Thus, the goal set in the invention, is achieved by concentrating the magnetic flux and the amplification of the magnetic field in the working gap of the device without increasing the flow rate of the magnetic material.

The invention is illustrated by drawings, where Fig. 1 shows the inventive device, a longitudinal section; Fig. 2 is a cross section along a-a in Fig. 1; Fig. 3 - character tension axial magnetic field of the claimed device, and Fig. 4, 5 - the nature of changes in the strength of the axial magnetic field of a single ring of magnets (prototype); Fig. 6 and 7 are installed in the pair of annular magnets and ferromagnetic rings; Fig. 8, 9 is shunted by a ferromagnetic plates of permanent ring magnets.

Device for magnetic treatment of liquid (Fig. 1) contains a ferromagnetic pipe 1, which is designed for transportation of flow of the treated fluid, permanent annular magnets 2, mounted on the outer surface of the pipe 1, and a ferromagnetic ring 3 mounted on the pipe 1 with one end of each ring magnet is Luca all of annular magnets 2 and installed with their butt-ends of the ferromagnetic rings 3 are shunted by established along the axis of the pipe 1 without a gap to the poles, uniformly on the outer surface of annular magnets 2 ferromagnetic plates 4. Outside the permanent magnets 2, the ferromagnetic ring 3 and the plate 4 is hermetically covered by a ferromagnetic screen 5. The distance between the ends of adjacent rings (e.g., ring 3, as shown in Fig. 1) completed not less than the width of the annular magnet 2. Each ring magnet 2 can be performed drawn adjacent to each other outside end surfaces of the magnetic cores 6 (or plates) of rectangular cross-section, and is mounted on the outer surface of the ferromagnetic pipe 1 so that the main surface of each magnetic core 6 are associated with the surface of the pipe 1 and addressed to the pipe axis 1 same poles. The permanent magnets 2, the ferromagnetic rings 3 and covering their ferromagnetic screen 5 may be cut into two halves along the longitudinal axis of the device.

The device operates as follows.

For magnetic treatment of a fluid, for example oil, to prevent sediment ASPV the inventive device is mounted in the pipeline. During the passage of oil through the working gap of the ferromagnetic pipe 1 oil is processed axial magnetic fields, the direction of the stop of sediments ASPV on the surface of oilfield equipment.

The recording magnetic field in the working gap of the ferromagnetic pipe 1 from a single annular magnets 2 (Fig. 4, 5) from a combination of annular magnets 2 with ferromagnetic rings 3 (Fig. 6,7), as well as using shunt plates 4 (Fig. 8,9) showed that for a single ring of magnets characterized by a smooth transition between the two maxima of the magnetic field, i.e., low gradient in the antinodes. For the paired annular magnets 2 and the ferromagnetic ring 3 on the border of their contact is formed mainly single antinode of the intensity of the axial magnetic field, in which localized almost all the energy of the ring magnet. The amplitude of the tension in such loops is almost twice higher than that of single magnets. When this adjacent borders of antinodes describes a sharper decline in field strength, indicating that growth of their gradients. An even greater increase in the amplitude of tension in posnetek and rising tension gradients observed in the bypass external poles of the magnets 2 ferromagnetic plates 4. The installation of such shunt plates 4 also allows you to save the resulting configuration of the magnetic field at various distances between the end face of the I magnetic treatment of a fluid, and, as a consequence - to produce high-performance magnetic treatment of liquids with different properties and different speeds of movement in the working gap. For example, if the width of the magnetic ring 35 mm, the optimum distance between adjacent ends of the rings for efficient processing of oil should be 3 to 5 times the width of the ring magnet. As for the water used, for example, for concrete preparation, the efficiency of magnetic treatment (evaluated by the tensile strength of concrete Flexural strength) will have a maximum value when the distance between adjacent rings 6.1 - 6.4 times greater than the width of the ring magnet.

In addition, changing the amount of shunting of the ferromagnetic plates can be aligning magnetic field device for magnetic treatment of liquids, which is very important in terms polyextremophiles according to the effectiveness of magnetic treatment on the field.

Ferromagnetic screen 5, hermetically covering the magnetic system of the device, together with the ferromagnetic rings 3 and plate 4, acting as a hub of magnetic flux, significantly enhances the antinodes of the magnetic field in the working gap. With increasing amplitude of tension m magnanim the screen tightly covered only ring magnets).

The effectiveness of magnetic treatment of oils of different fields to reduce sediment ASPV measured in laboratory conditions, on average, for the prototype is 11%, and in the inventive device increases to 37%.

The effectiveness of magnetic treatment of reservoir water to reduce corrosion activity in the prototype is on average 23%, while in the claimed up to 50%.

The advantages of the inventive device also includes: the ability to successfully use the device in harsh environments oil wells with high pressure (hundreds of atmospheres), corrosive environment (salt solutions, hydrogen sulfide and other gases), limiting dimensions (casing pipe with a diameter of 120 mm), the ability to operate devices in wells equipped with sucker rod pumps; easy Assembly and disassembly in difficult conditions, without stopping the process; the simplicity of the design: as ferromagnetic pipe you can use a segment of tubing. Thanks to the internal cross section of tubing remains free, and the proposed device does not prevent the carrying out geophysical and maintenance without downtime; EC is the effective magnetic treatment of fluids.

Together with this, the proposed device has all the advantages of magnetic devices with permanent magnets, i.e. there is no energy consumption during operation, environmental friendliness and other

1. Device for magnetic treatment of a fluid containing ferromagnetic pipe and installed on the outside surface of the annular permanent magnets, covered tightly ferromagnetic screen and installed so that their main surfaces with the same poles facing toward the axis of the pipe, characterized in that the ferromagnetic pipe with one end of each annular magnet installed without a gap ferromagnetic ring, outer pole all ring magnets shunted by defined along the longitudinal axis of the ferromagnetic pipe without a gap to the poles evenly on the outer surface of annular magnets, ferromagnetic plates, the distance between the ends of adjacent rings are made not less than the width of the annular magnet.

2. The device under item 1, characterized in that the annular magnets, ferromagnetic rings and covering their screen is made detachable in the form of two longitudinal parts.

 

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