Magnetic filter element and condensed water treatment system

Abstract

The utility model relates to a magnetic filter element which comprises a filter element cavity, a water inlet, a water outlet and an inner magnet and / or an outer magnet, wherein the water outlet is formed in the upper part of the magnetic filtering element; the water inlet is formed in the lower part of the magnetic filtering element; when the outer magnet is independently arranged or both the inner magnet and the outer magnet are arranged, the outer magnet is arranged around the outer edges of the water outlet and the water inlet; under the condition that the inner magnet is independently arranged, the inner magnet and the water outlet are coaxially arranged, and a certain interval is formed between the inner magnet and the outer edge of the water outlet; under the condition that both the inner magnet and the outer magnet are arranged, the inner magnet, the water outlet and the water inlet are coaxially arranged, and a certain interval is formed between the inner magnet and the outer magnet; all the intervals form a filtering element cavity; a space magnetic field formed by the inner magnet and / or the outer magnet is arranged in the filtering element cavity, and a filtering function is provided through the space magnetic field. The utility model further discloses a condensed water treatment device comprising the magnetic filtering element.

Description

Technical Field

[0001] The utility model relates to the technical field of condensate water treatment, in particular to a magnetic filter element and a condensate water treatment system. Background Art

[0002] The corrosion of equipment and pipelines in thermal systems has always been a major problem plaguing industrial development. Water and steam corrosion is the main cause, and the treatment effect of condensate directly affects the safety performance and operating efficiency of the thermal system. Existing condensate treatment filter elements mostly use winding, filter cloth, ceramic sintering and other filter media filtration forms, with low iron removal efficiency, short replacement cycle and high operating costs. Suspended matter remaining in the water will accumulate in the equipment and pipelines of the thermal system, affecting the safety performance and operating efficiency of the system and inducing scaling on the metal surface. In short, the filter elements of the condensate treatment system in the prior art have the following defects:

[0003] 1. Problems such as low processing efficiency, high operating costs, and environmental pollution;

[0004] 2. Low treatment efficiency, poor backwashing effect, short replacement cycle and high operating costs;

[0005] 3. The filter element has poor iron removal effect, resulting in excessive burden on the mixed bed resin, frequent regeneration, and resin iron poisoning;

[0006] 4. The filter element has poor iron removal effect, and the residual corrosion products can easily enter the thermal system, affecting the working efficiency of the thermal system and even causing safety accidents.

[0007] Therefore, there is a need for a new design of a filtering device in a condensate treatment process. Utility Model Content

[0008] The purpose of the utility model is to provide a magnetic filter element and a condensate treatment system. The magnetic field of the magnetic filter element can magnetize the condensate and the medium in the water, thereby slowing down the corrosion and scaling of the thermal system; the magnetic field of the magnetic filter element can efficiently adsorb and remove ferromagnetic suspended matter in the condensate, thereby improving the iron removal efficiency; the filler in the magnetic filter element can intercept and remove weakly magnetic suspended matter; the magnetic filter element is easier to clean and can be used for a long time.

[0009] On one hand, the utility model provides a magnetic filter element, comprising a filter element cavity (3), a water inlet (1), a water outlet (8), and an inner magnet (4) and / or an outer magnet (5); wherein,

[0010] The water outlet (8) is arranged at the upper part of the magnetic filter element; the water inlet (1) is arranged at the lower part of the magnetic filter element;

[0011] When the external magnet (5) is provided alone or both the internal magnet (4) and the external magnet (5) are provided, the external magnet (5) is provided around the outer edges of the water outlet (8) and the water inlet (1);

[0012] When the inner magnet (4) is provided alone, the inner magnet (4) is provided coaxially with the water outlet (8) and has a certain distance from the outer edge of the water outlet (8);

[0013] When both an inner magnet (4) and an outer magnet (5) are provided, the inner magnet (4) is coaxially arranged with the water outlet (8) and the water inlet (1) and has a certain distance between it and the outer magnet (5);

[0014] All of the intervals constitute a filter element cavity (3); the filter element cavity (3) includes a spatial magnetic field formed by an inner magnet and / or an outer magnet, and provides a filtering function through the spatial magnetic field.

[0015] Preferably, the magnetic filter element further comprises a water outlet distribution device (7), the water outlet (8) is arranged above the water outlet distribution device (7), and the water outlet (8) and the water outlet distribution device (7) are arranged on the upper part of the magnetic filter element; the water outlet distribution device (7) comprises a water outlet distribution pipe and a water outlet distribution plate, wherein the water outlet distribution pipe adopts a main pipe branch pipe type annular water outlet distribution pipe with the same diameter as the water outlet (8), and the water outlet distribution plate is a porous plate type water outlet distribution plate.

[0016] Preferably, the magnetic filter element further comprises a water inlet distribution device (2), the water inlet (1) is arranged below the water inlet distribution device (2), and the water inlet (1) and the water inlet distribution device (2) are arranged at the lower part of the magnetic filter element; the water inlet distribution device (2) comprises a water inlet distribution pipe and a water inlet distribution plate, wherein the water inlet distribution pipe adopts a main pipe branch pipe type annular water inlet distribution pipe with the same diameter as the water inlet (1), and the water inlet distribution plate is a porous plate type water inlet distribution plate.

[0017] Preferably, the magnetic filter element further comprises a filler (6); the filler (6) is filled in the filter element cavity (3), and the filler (6) is used to intercept and remove weakly magnetic suspended matter.

[0018] Preferably, the magnetic field strength provided by the inner magnet (4) and / or the outer magnet (5) is in the range of 600 Gs to 8000 Gs.

[0019] Preferably, the inner magnet (4) is a neodymium iron boron permanent magnet column.

[0020] Preferably, the inner magnet (4) is a NdFeB permanent magnet column with a size of φ30×t30, formed by a sintering process, and the surface of the inner magnet (4) is chromium-plated or nickel-plated and magnetized in the radial direction.

[0021] Preferably, the inner magnet (4) is a NdFeB permanent magnet column with a size of φ30×t21, formed by a sintering process, and the surface of the inner magnet (4) is chromium-plated or nickel-plated and magnetized along the axial direction.

[0022] Preferably, the filler is DT4C electromagnetic pure iron particles.

[0023] A second aspect of the present invention is to provide a condensate treatment system including the magnetic filter element according to the first aspect, comprising:

[0024] A condensate supply unit and a condensate discharge unit; condensate emitted from the condensate supply unit enters from the water inlet (1), flows through the filter element cavity (3), and magnetizes the condensate and the medium in the water through the inner magnet (4) and / or the outer magnet (5), effectively slowing down the corrosion and scaling of equipment and pipelines in the thermal system; ferromagnetic suspended matter in the condensate is efficiently adsorbed and removed by the inner magnet (4) and / or the outer magnet (5), and then flows out from the water outlet (8) through the condensate discharge unit.

[0025] The magnetic filter element and condensate treatment system of the utility model have the following beneficial effects:

[0026] The magnetic field and filler are used to act on the condensate and the medium in the water to efficiently remove the suspended solids in the condensate and effectively slow down the corrosion and scaling of the equipment and pipelines in the thermal system. The magnetic filter element is easy to clean and can be used for a long time. The materials used in the magnetic filter element can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in related technologies, the following briefly introduces the drawings required for use in the specific implementation methods or related technical descriptions. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0028] Figure 1 A cross-sectional view of a magnetic filter element used in a condensate treatment system provided by an embodiment of the present utility model;

[0029] Reference numerals:

[0030] 1. Water inlet; 2. Water inlet distribution device; 3. Filter element cavity; 4. Inner magnet; 5. Outer magnet; 6. Filler; 7. Water outlet distribution device; 8. Water outlet. DETAILED DESCRIPTION

[0031] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0034] See also Figure 1 This embodiment provides a magnetic filter element, comprising a filter element cavity 3, a water inlet 1, a water outlet 8, and an inner magnet 4 and / or an outer magnet 5; wherein,

[0035] The water outlet 8 is arranged at the upper part of the magnetic filter element; the water inlet 1 is arranged at the lower part of the magnetic filter element;

[0036] When the external magnet 5 is provided alone or both the internal magnet 4 and the external magnet 5 are provided, the external magnet 5 is provided around the outer edges of the water outlet 8 and the water inlet 1;

[0037] When the inner magnet 4 is provided alone, the inner magnet 4 is provided coaxially with the water outlet 8 and has a certain distance from the outer edge of the water outlet 8;

[0038] When both the inner magnet 4 and the outer magnet 5 are provided, the inner magnet 4 is coaxially arranged with the water outlet 8 and the water inlet 1 and has a certain distance between it and the outer magnet 5;

[0039] All the intervals constitute the filter element cavity 3; the filter element cavity 3 includes a spatial magnetic field formed by an internal magnet and / or an external magnet, and provides a filtering function through the spatial magnetic field.

[0040] As a preferred embodiment, the magnetic filter element also includes a water outlet distribution device 7, the water outlet 8 is arranged above the water outlet distribution device 7, and the water outlet 8 and the water outlet distribution device 7 are arranged on the upper part of the magnetic filter element; the water outlet distribution device 7 includes a water outlet distribution pipe and a water outlet distribution plate, wherein the water outlet distribution pipe adopts a main pipe branch pipe type annular water outlet distribution pipe with the same diameter as the water outlet 8, and the water outlet distribution plate is a porous plate type water outlet distribution plate.

[0041] As a preferred embodiment, the magnetic filter element also includes a water inlet distribution device 2, the water inlet 1 is arranged below the water inlet distribution device 2, and the water inlet 1 and the water inlet distribution device 2 are arranged at the lower part of the magnetic filter element; the water inlet distribution device 2 includes a water inlet distribution pipe and a water inlet distribution plate, wherein the water inlet distribution pipe adopts a main pipe branch pipe type annular water inlet distribution pipe with the same diameter as the water inlet 1, and the water inlet distribution plate is a porous plate type water inlet distribution plate.

[0042] As a preferred embodiment, the magnetic filter element further includes a filler 6 ; the filler 6 is filled in the filter element cavity 3 , and the filler 6 is used to intercept and remove weakly magnetic suspended matter.

[0043] As a preferred embodiment, the magnetic field strength provided by the inner magnet 4 and the outer magnet 5 is in the range of 600 Gauss to 8000 Gauss.

[0044] As a preferred embodiment, the inner magnet 4 is a neodymium iron boron permanent magnet column.

[0045] As a preferred embodiment, the inner magnet 4 is a NdFeB permanent magnet column with a size of φ30×t30, formed by a sintering process. The surface of the inner magnet 4 is chromium-plated or nickel-plated and magnetized along the radial direction.

[0046] As a preferred embodiment, the inner magnet 4 is a NdFeB permanent magnet column with a size of φ30×t21, formed by a sintering process. The surface of the inner magnet 4 is chromium-plated or nickel-plated and magnetized along the axial direction.

[0047] As a preferred embodiment, the filler is DT4C electromagnetic pure iron particles. Of course, those skilled in the art should know that other types of fillers can also be filled, as long as they can achieve the technical effect of intercepting and removing weakly magnetic suspended matter, they are all within the scope of protection of this utility model. In addition, the function of the filler (6) is not limited to magnetic conductivity and filtration, but can also improve backwash efficiency, etc. Of course, according to the actual needs and actual conditions of the condensate water treatment system, it is also possible to choose not to set the filler.

[0048] The second aspect of the present invention is to provide an application of a magnetic filter element in a condensate water treatment system, comprising:

[0049] Condensate enters from the water inlet 1, flows through the filter element cavity 3, and then the condensate and the medium in the water are magnetized by the internal magnet 4 and the external magnet 5, effectively reducing the corrosion and scaling of the equipment and pipelines in the thermal system; the internal magnet 4 and the external magnet 5 efficiently adsorb and remove ferromagnetic suspended matter in the condensate; and the filler 6 intercepts and removes weakly magnetic suspended matter before flowing out from the water outlet 8.

[0050] As a preferred embodiment, magnetization includes: after the aqueous solution formed by condensed water and the medium in the water flows through a magnetic field of a certain strength at a certain flow rate, under the action of the magnetic field, the structure and properties of the water molecules and the impurities carried by the aqueous solution change, so that the water molecules and the impurities carried by the aqueous solution produce a certain degree of magnetism or magnetization effect.

[0051] Specifically, the filter element cavity is composed of an inner magnet, an outer magnet, and a filler to form a spatial magnetic field and filtering function. Condensate enters from the water inlet, flows through the spatial magnetic field and filler in the cavity, and flows out from the water outlet.

[0052] The working process of this embodiment is as follows: when condensate flows into the filter element cavity from the water inlet, it flows through the magnetic field and filler. The magnetic field magnetizes the condensate and the medium in the water, slowing down the corrosion and scaling of the thermal system by the condensate. The magnetic field and filler adsorb and filter the suspended matter in the condensate.

[0053] Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiments can be implemented via software or by utilizing software plus a necessary general-purpose hardware platform. Based on this understanding, the technical solutions of the above embodiments can be embodied in the form of a software product. This software product can be stored in a non-volatile storage medium (such as a CD-ROM, USB flash drive, or mobile hard drive) and includes a number of instructions for enabling a computer device (such as a personal computer, server, or network device) to execute the methods described in the various embodiments of the present invention.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A magnetic filter element, characterized in that: It comprises a filter element cavity (3), a water inlet (1), a water outlet (8), and an inner magnet (4) and / or an outer magnet (5); wherein, The water outlet (8) is arranged at the upper part of the magnetic filter element; the water inlet (1) is arranged at the lower part of the magnetic filter element; When the external magnet (5) is provided alone or both the internal magnet (4) and the external magnet (5) are provided, the external magnet (5) is provided around the outer edges of the water outlet (8) and the water inlet (1); When the inner magnet (4) is provided alone, the inner magnet (4) is provided coaxially with the water outlet (8) and has a certain distance from the outer edge of the water outlet (8); When both an inner magnet (4) and an outer magnet (5) are provided, the inner magnet (4) is coaxially arranged with the water outlet (8) and the water inlet (1) and has a certain distance between it and the outer magnet (5); All of the intervals constitute a filter element cavity (3); the filter element cavity (3) includes a spatial magnetic field formed by an inner magnet and / or an outer magnet, and provides a filtering function through the spatial magnetic field.

2. A magnetic filter element according to claim 1, characterized in that: The magnetic filter element further comprises a water outlet distribution device (7), the water outlet (8) is arranged above the water outlet distribution device (7), and the water outlet (8) and the water outlet distribution device (7) are arranged on the upper part of the magnetic filter element; the water outlet distribution device (7) comprises a water outlet distribution pipe and a water outlet distribution plate, wherein the water outlet distribution pipe adopts a main pipe branch pipe type annular water outlet distribution pipe with the same diameter as the water outlet (8), and the water outlet distribution plate is a porous plate type water outlet distribution plate.

3. A magnetic filter element according to claim 2, characterized in that: The magnetic filter element further comprises a water inlet distribution device (2), the water inlet (1) is arranged below the water inlet distribution device (2), and the water inlet (1) and the water inlet distribution device (2) are arranged at the lower part of the magnetic filter element; the water inlet distribution device (2) comprises a water inlet distribution pipe and a water inlet distribution plate, wherein the water inlet distribution pipe adopts a main pipe branch pipe type annular water inlet distribution pipe with the same diameter as the water inlet (1), and the water inlet distribution plate is a porous plate type water inlet distribution plate.

4. A magnetic filter element according to claim 3, characterized in that: The magnetic filter element further comprises a filler (6); the filler (6) is filled in the filter element cavity (3), and the filler (6) is used to intercept and remove weakly magnetic suspended matter.

5. A magnetic filter element according to claim 1, characterized in that: The magnetic field strength provided by the inner magnet (4) and / or the outer magnet (5) ranges from 600 Gs to 8000 Gs.

6. A magnetic filter element according to claim 1, characterized in that: The inner magnet (4) is a neodymium iron boron permanent magnet column.

7. A magnetic filter element according to claim 6, characterized in that: The inner magnet (4) is a NdFeB permanent magnet column with a size of φ30×t30, formed by a sintering process. The surface of the inner magnet (4) is chromium-plated or nickel-plated and magnetized in the radial direction.

8. A magnetic filter element according to claim 6, characterized in that: The inner magnet (4) is a NdFeB permanent magnet column with a size of φ30×t21, formed by a sintering process. The surface of the inner magnet (4) is chromium-plated or nickel-plated and magnetized along the axial direction.

9. A magnetic filter element according to claim 4, characterized in that: The filler is DT4C electromagnetic pure iron particles.

10. A condensate treatment system comprising the magnetic filter element according to any one of claims 1 to 9, characterized in that: include: Condensate supply unit and condensate discharge unit; The condensate emitted from the condensate supply unit enters from the water inlet (1), flows through the filter element cavity (3), and magnetizes the condensate and the medium in the water through the inner magnet (4) and / or the outer magnet (5), thereby effectively reducing the corrosion and scaling of the equipment and pipelines in the thermal system; after the ferromagnetic suspended matter in the condensate is efficiently adsorbed and removed by the inner magnet (4) and / or the outer magnet (5), the condensate flows out from the water outlet (8) through the condensate discharge unit.

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