Scale inhibition filtering device

By designing a scale-inhibiting filter device comprising a shell, a filter assembly, a sewage discharge component and a cleaning component, the problems of existing filters in the medium conveying pipeline, such as small sewage holding capacity, high cleaning frequency and severe filter fouling, are solved, and the effect of low-frequency cleaning, reduced filter fouling and thorough sewage discharge is achieved.

CN223351194UActive Publication Date: 2025-09-19PETROCHINA CO LTD
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Patent Information

Application Number
CN202421726533.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-09-19
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

Existing filters have problems in the media delivery pipeline, such as small pollution holding capacity, high cleaning frequency, difficult disassembly and assembly, serious fouling of the filter screen, difficulty in cleaning and incomplete sewage discharge, resulting in waste of cleaning fluid and manpower, and posing an environmental pollution risk.

Method used

A scale-inhibiting filter device was designed, comprising a housing, a filter assembly, a sewage discharge component, and a cleaning component. The filter assembly consists of a primary filter element and a secondary filter element. The design within the housing connects the inlet of the medium delivery pipeline to the first storage space, and the outlet to the second storage space. Scale accumulates in the filter assembly and at the bottom of the housing, requiring regular cleaning.

Benefits of technology

It achieves low-frequency cleaning, reduces filter scaling, and completely drains waste, avoiding waste of cleaning fluid and labor, and reducing the risk of environmental pollution.

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Abstract

The utility model relates to a scale inhibition filtering device which is arranged on a medium conveying pipeline, the scale inhibition filtering device comprises a shell, a filtering assembly, a pollution discharge part and a cleaning part, the shell is arranged on the medium conveying pipeline, the shell is respectively connected with an inlet end and an outlet end of the medium conveying pipeline, the filtering assembly is arranged in the shell, and the pollution discharge part is connected with the cleaning part. The circumferential direction of the filtering assembly is connected with the inner surface of the shell, the shell is divided into a first containing space and a second containing space, the inlet end of the medium conveying pipeline communicates with the first containing space, the outlet end of the medium conveying pipeline communicates with the second containing space, and a medium flows into the shell through the inlet end of the medium conveying pipeline. Media sequentially pass through the filtering assembly to be output to the outlet end of the medium conveying pipeline, all the scale is collected into the filtering assembly and the bottom of the shell, impurities in the filtering assembly can be taken out regularly, the dirt discharging part discharges all the scale deposited at the bottom of the shell, and the cleaning part is used for cleaning the filtering assembly in an all-dimensional mode to prevent the filtering assembly from hiding dirt. And thorough pollution discharge is realized.
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Description

Technical Field

[0001] The utility model relates to the field of pipeline cleaning, in particular to a scale inhibition and filtering device. Background Art

[0002] Filters are an indispensable device on pipelines that transport media. They are widely used in oil and gas gathering and transportation stations and are usually installed at the inlet of other equipment. They are mainly used to filter out impurities in the fluid, prevent impurities from entering the back-end equipment and causing damage, and ensure the normal operation of the back-end equipment.

[0003] Currently, filters installed on media conveying pipelines have problems such as small dirt holding capacity, high cleaning frequency, difficult disassembly and assembly, serious fouling of the filter screen, difficulty in cleaning, and incomplete sewage discharge. This requires a large amount of cleaning fluid and manpower to be wasted, and there is also a risk of environmental pollution during cleaning.

[0004] Based on the above situation, there is an urgent need to provide a scale-inhibiting and filtering device that can at least solve some of the problems mentioned above. Utility Model Content

[0005] The present application provides a scale-preventing and filtering device, which is arranged in a medium conveying pipeline, and prevents scale in the filter medium conveying pipeline, has low cleaning frequency, less dirt and scale accumulation, less scale formation on the filter screen, and complete sewage discharge.

[0006] The present application provides a scale-inhibiting filter device, which is arranged in a medium conveying pipeline, comprising: a shell, arranged in the medium conveying pipeline, and connected to the inlet end and the outlet end of the medium conveying pipeline respectively; a filter component, arranged inside the shell, and the circumference of the filter component is connected to the inner surface of the shell, dividing the shell into a first accommodating space and a second accommodating space, the inlet end of the medium conveying pipeline is connected to the first accommodating space, and the outlet end of the medium conveying pipeline is connected to the second accommodating space; a sewage discharge component, one end of which is connected to the first accommodating space of the shell; and a cleaning component, one end of which extends inside the first accommodating space of the shell.

[0007] In some optional embodiments, the filter assembly includes a primary filter component, a secondary filter component and a support component, one end of the primary filter component is arranged along the circumference of the secondary filter component, and the other end of the primary filter component is connected to the support component, the primary filter component, the secondary filter component and the support component are combined to form a filter shell, and the secondary filter component and the support component are arranged in the first accommodating space.

[0008] In some optional embodiments, the housing further includes a fixing component, wherein the fixing component connects the secondary filter component and the inner surface of the housing.

[0009] In some optional embodiments, a medicine containing element is further included, wherein the medicine containing element is disposed on the fixed component and faces the inlet end of the medium delivery conduit.

[0010] In some optional embodiments, the first-level filter component is a first-level filter plate, which is provided with multiple first through holes; the second-level filter component is a second-level filter plate, which is provided with multiple second through holes, and the diameter of the first through hole is greater than the diameter of the second through hole.

[0011] In some optional embodiments, the cleaning component includes a connecting pipe, a high-pressure rotary nozzle and an opening and closing valve. The high-pressure rotary nozzle is arranged inside the filter shell, the connecting pipe passes through the shell and the supporting component and is connected to the high-pressure rotary nozzle, and the opening and closing valve is arranged on the connecting pipe.

[0012] In some optional embodiments, the supporting component includes a mounting hole and a plurality of third through holes, and the connecting pipe passes through the mounting hole and is connected to the high-pressure rotary sprinkler.

[0013] In some optional embodiments, the central axis of the inlet end of the medium delivery pipe coincides with the central axis of the outlet end of the medium delivery pipe, and the secondary filter component forms a preset angle with the central axis of the inlet end of the medium delivery pipe.

[0014] In some optional embodiments, the sewage discharge component includes a sewage discharge pipe and a sewage discharge valve, the sewage discharge pipe is connected to the shell, and the sewage discharge valve is arranged on the sewage discharge pipe.

[0015] In some optional embodiments, the shell includes a shell body and an end cover, and the end cover and the shell body are detachably connected.

[0016] Compared with the prior art, the present invention has the following technical effects:

[0017] The present application provides a scale-inhibiting filter device, which is arranged in a medium conveying pipeline. The scale-inhibiting filter device includes: a shell, a filter assembly, a sewage discharge component and a cleaning component. The shell is arranged in the medium conveying pipeline, and the shell is respectively connected to the inlet and outlet ends of the medium conveying pipeline. The filter assembly is arranged inside the shell, and the circumference of the filter assembly is connected to the inner surface of the shell, dividing the shell into a first accommodating space and a second accommodating space. The inlet end of the medium conveying pipeline is connected to the first accommodating space, and the outlet end of the medium conveying pipeline is connected to the second accommodating space. The medium flows into the shell through the inlet end of the medium conveying pipeline, and the medium is output to the outlet end of the medium conveying pipeline through the filter assembly in turn. All scale is collected in the filter assembly and the bottom of the shell. Impurities inside the filter assembly can be removed regularly. The sewage discharge component discharges all scale deposited on the bottom of the shell. The cleaning component is used to clean the filter assembly in all directions to prevent the filter assembly from accumulating dirt and thoroughly discharges sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 The structure diagram of the scale-inhibiting and filtering device provided by the embodiment of the utility model is shown;

[0020] Figure 2 for Figure 1 A schematic diagram of a portion of the structure of the primary filter component of the provided embodiment;

[0021] Figure 3 for Figure 1 A schematic structural diagram of the secondary filter component of the provided embodiment;

[0022] Figure 4 for Figure 1 A schematic structural diagram of the support component of the provided embodiment.

[0023] in, Figures 1 to 4 The corresponding relationship between the reference numerals and component names is as follows:

[0024] 1-shell; 11-fixing component; 12-shell body; 13-end cover; 2-medium delivery pipe inlet end; 3-medium delivery pipe outlet end; 4-filter assembly; 41-first filter component; 411-first through hole; 42-second filter component; 421-second through hole; 43-support component; 431-mounting hole; 432-third through hole; 5-sewage discharge component; 51-sewage discharge pipe; 52-sewage discharge valve; 6-cleaning component; 61-connecting pipe; 62-high-pressure rotary nozzle; 63-opening and closing valve; 7-medicament containing element. DETAILED DESCRIPTION

[0025] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0027] Filters are an indispensable device on pipelines that transport media. They are widely used in oil and gas gathering and transportation stations and are usually installed at the inlet of other equipment. They are mainly used to filter out impurities in the fluid, prevent impurities from entering the back-end equipment and causing damage, and ensure the normal operation of the back-end equipment.

[0028] Currently, filters installed on media conveying pipelines have problems such as small dirt holding capacity, high cleaning frequency, difficult disassembly and assembly, serious fouling of the filter screen, difficulty in cleaning, and incomplete sewage discharge. This requires a large amount of cleaning fluid and manpower to be wasted, and there is also a risk of environmental pollution during cleaning.

[0029] Based on the above situation, there is an urgent need to provide a scale-inhibiting and filtering device that can at least solve some of the problems mentioned above.

[0030] The present application provides a scale-inhibiting filter device, which is arranged in a medium conveying pipeline. The scale-inhibiting filter device includes: a shell 1, which is arranged in the medium conveying pipeline and is respectively connected to the inlet end 2 and the outlet end 3 of the medium conveying pipeline; a filter component 4, which is arranged inside the shell 1, and the circumference of the filter component 4 is connected to the inner surface of the shell 1, dividing the shell 1 into a first accommodating space and a second accommodating space, the inlet end 2 of the medium conveying pipeline is connected to the first accommodating space, and the outlet end 3 of the medium conveying pipeline is connected to the second accommodating space; a sewage discharge component 5, one end of which is connected to the first accommodating space of the shell 1; and a cleaning component 6, one end of which extends inside the first accommodating space of the shell 1.

[0031] Specifically, the scale-inhibiting filter device includes: a shell 1, a filter assembly 4, a sewage discharge component 5 and a cleaning component 6. The shell 1 is arranged in the medium conveying pipe, and the shell 1 is respectively connected to the inlet end 2 and the outlet end 3 of the medium conveying pipe. The filter assembly 4 is arranged inside the shell 1, and the circumference of the filter assembly 4 is connected to the inner surface of the shell 1, dividing the shell 1 into a first accommodating space and a second accommodating space. The inlet end 2 of the medium conveying pipe is connected to the first accommodating space, and the outlet end 3 of the medium conveying pipe is connected to the second accommodating space. The medium flows into the shell 1 through the inlet end 2 of the medium conveying pipe, and the medium passes through the filter assembly 4 in turn to be output to the outlet end 3 of the medium conveying pipe. All the scale is collected in the filter assembly 4 and the bottom of the shell 1. The impurities inside the filter assembly 4 can be removed regularly. The sewage discharge component 5 discharges all the scale deposited on the bottom of the shell 1. The cleaning component 6 is used to clean the filter assembly 4 in all directions to prevent the filter assembly 4 from accumulating dirt and thoroughly discharge the dirt.

[0032] Optionally, the inlet end 2 of the medium delivery pipe and the outlet end 3 of the medium delivery pipe are arranged face to face in the shell 1, the central axis of the inlet end 2 of the medium delivery pipe and the central axis of the outlet end 3 of the medium delivery pipe coincide with each other, and the central axes of the inlet end 2 and the outlet end 3 of the medium delivery pipe are radially parallel to the shell 1. The medium flows into the shell 1 through the inlet end 2 of the medium delivery pipe, and the medium passes through the filter assembly 4 in sequence and is output to the outlet end 3 of the medium delivery pipe. All scale is collected in the filter assembly 4 and the bottom of the shell 1. Impurities inside the filter assembly 4 can be removed regularly. The sewage discharge component 5 discharges all scale deposited on the bottom of the shell 1. The cleaning component 6 is used to clean the filter assembly 4 in all directions to prevent the filter assembly 4 from accumulating dirt and thoroughly discharge the dirt.

[0033] In some optional embodiments, the filter assembly 4 includes a primary filter component 41, a secondary filter component 42 and a support component 43, one end of the primary filter component 41 is arranged along the circumference of the secondary filter component 42, and the other end of the primary filter component 41 is connected to the support component 43, the primary filter component 41, the secondary filter component 42 and the support component 43 are enclosed to form a filter shell, and the secondary filter component 42 and the support component 43 are arranged in the first accommodating space.

[0034] Specifically, the first-level filter component 41 is a first-level filter screen, and the second-level filter component 42 is a second-level filter screen. The first-level filter screen is arranged along the circumference of the second-level filter screen. The first-level filter component 41, the second-level filter component 42 and the support component 43 are enclosed to form a filter shell. The medium flows into the first accommodation space of the shell 1 through the inlet end 2 of the medium conveying pipe, and the medium passes through the filter component 4 in turn and flows into the second accommodation space of the shell 1, and is then output to the outlet end 3 of the medium conveying pipe. All scale is collected into the filter component 4 and the bottom of the shell 1. The impurities inside the filter component 4 can be removed regularly, and the sewage discharge component 5 will discharge all the scale deposited on the bottom of the shell 1. The cleaning component 6 is used to clean the filter component 4 in all directions to prevent the filter component 4 from accumulating dirt and thoroughly discharge sewage.

[0035] In some optional embodiments, the housing 1 further includes a fixing component 11 , which connects the secondary filter component 42 and the inner surface of the housing 1 .

[0036] Specifically, the fixing component 11 is a fixing plate, which is welded to the inner surface of the shell 1. The secondary filter component 42 is circumferentially connected to the fixing component 11. Optionally, the secondary filter component 42 and the fixing component 11 are connected by a bolt assembly. Multiple bolt assemblies are evenly arranged around the circumference of the secondary filter component 42. The secondary filter component 42 and the fixing component 11 can be installed and disassembled through the bolt assembly.

[0037] In some optional embodiments, a medicine containing element 7 is further included. The medicine containing element 7 is disposed on the fixing component 11 and faces the inlet end 2 of the medium conveying conduit.

[0038] Specifically, the agent holding element 7 can hold agents that react chemically with scale and dirt, preventing the filter assembly 4 from collecting dirt and dirt, and preventing scale and dirt from forming hard lumps and wrapping around the filter assembly 4. The agent holding element 7 is a holding tank with many through holes. The medium flowing through the agent holding element 7 will take away part of the

[0039] In some optional embodiments, the first-level filter component 41 is a first-level filter plate, which is provided with multiple first through holes 411; the second-level filter component 42 is a second-level filter plate, which is provided with multiple second through holes 421; and the diameter of the first through hole 411 is greater than the diameter of the second through hole 421.

[0040] Specifically, the filter assembly 4 includes a primary filter component 41, a secondary filter component 42, and a support component 43. The secondary filter component 42 is arranged along the circumference of the inner surface of the housing 1. The secondary filter component 42 divides the housing 1 into a first storage space and a second storage space. One end of the primary filter component 41 is arranged along the circumference of the secondary filter component 42, and the other end of the primary filter component 41 is connected to the support component 43. The primary filter component 41, the secondary filter component 42, and the support component 43 together form the filter housing 1. The primary filter component 41 and the support component 43 are arranged in the first storage space. The primary filter component 41 is a primary filter plate, which is provided with a plurality of first through holes 411. The secondary filter component 42 is a secondary filter plate, which is provided with a plurality of second through holes 421. The diameter of the first through holes 411 is larger than the diameter of the second through holes 421. The primary filter element 41 performs coarse filtration, while the secondary filter element 42 performs fine filtration. They capture uniform amounts of oil and gas impurity particles. The primary filter plate captures coarse oil and gas impurity particles, while the secondary fine filter plate captures fine oil and gas impurities. Media enters the first accommodation space of the housing 1 from the inlet port 2 of the media delivery pipeline, then flows through the filter assembly 4 into the second accommodation space of the housing 1 before exiting the outlet port 3 of the media delivery pipeline. Scale is completely collected by the filter assembly 4 and the bottom of the housing 1. Impurities within the filter assembly 4 can be periodically removed. A sewage discharge component 5 removes all scale deposited on the bottom of the housing 1. A cleaning component 6 cleans the filter assembly 4 from all directions, preventing it from harboring dirt and ensuring thorough waste removal.

[0041] In some optional embodiments, the cleaning component 6 includes a connecting pipe 61, a high-pressure rotary nozzle 62 and an opening and closing valve 63. The high-pressure rotary nozzle 62 is arranged inside the filter shell 1. The connecting pipe 61 passes through the shell 1 and the support component 43 and is connected to the high-pressure rotary nozzle 62. The opening and closing valve 63 is arranged on the connecting pipe 61.

[0042] Specifically, the connecting pipe 61 connects the water storage tank and the high-pressure rotary nozzle 62. The water storage tank is arranged outside the scale-inhibiting filter device, and the high-pressure rotary nozzle 62 is arranged inside the filter shell 1. The connecting pipe 61 passes through the shell 1 and the support component 43 and is connected to the high-pressure rotary nozzle 62. The opening and closing valve 63 is arranged on the connecting pipe 61. The connecting pipe 61 is provided with an opening and closing valve 63. When in use, the opening and closing valve 63 is opened, and the cleaning liquid in the water storage tank will flow to the connecting pipe 61. The cleaning liquid is sprayed through the high-pressure rotary nozzle 62, thereby cleaning the filter component 4 to prevent the filter component 4 from being full of dirt and completely discharging sewage.

[0043] In some optional embodiments, the support component 43 includes a mounting hole 431 and a plurality of third through holes 432 , and the connecting pipe 61 passes through the mounting hole 431 and is connected to the high-pressure rotary nozzle 62 .

[0044] Specifically, a connecting pipe 61 connects a water storage tank and a high-pressure rotary nozzle 62. The water storage tank is located outside the scale-inhibiting filter device, and the high-pressure rotary nozzle 62 is located inside the filter housing 1. The connecting pipe 61 passes through the housing 1 and the mounting hole 431 of the support component 43 to connect to the high-pressure rotary nozzle 62. The support component 43 is used to support the connecting pipe 61. An on-off valve 63 is provided on the connecting pipe 61. The connecting pipe 61 is provided with an on-off valve 63. When the fluid to be treated passes through the primary filter component 41, impurities larger than the filter mesh aperture are retained in the filter housing 1. When impurities accumulate to a certain level, the filter assembly 4 needs to be cleaned. To do this, the end cap 13 of the housing 1 is removed and the filter assembly 4 is removed. The on-off valve 63 is opened, and the cleaning fluid in the water storage tank flows into the connecting pipe 61. The cleaning fluid is then sprayed through the high-pressure rotary nozzle 62, thereby cleaning the filter assembly 4, preventing it from becoming clogged with dirt and completely draining the waste. After cleaning, the filter assembly 4 can be reinstalled and continued to be used.

[0045] In some optional embodiments, the central axis of the medium delivery pipeline inlet end 2 coincides with the central axis of the medium delivery pipeline outlet end 3 , and the secondary filter component 42 forms a preset angle with the central axis of the medium delivery pipeline inlet end 2 .

[0046] Specifically, the medium flows into the shell 1 through the inlet end 2 of the medium delivery pipe, and the medium passes through the filter assembly 4 in turn to be output to the outlet end 3 of the medium delivery pipe. All the scale is collected in the filter assembly 4 and the bottom of the shell 1. The impurities inside the filter assembly 4 can be removed regularly. The sewage discharge component 5 will discharge all the scale deposited on the bottom of the shell 1. The cleaning component 6 is used to clean the filter assembly 4 in all directions to prevent the filter assembly 4 from harboring dirt and thoroughly discharge the sewage. The central axis of the inlet end 2 of the medium delivery pipe and the central axis of the outlet end 3 of the medium delivery pipe coincide with each other, so that the medium flows into the shell 1 through the inlet end 2 of the medium delivery pipe, and the medium passes through the filter assembly 4 in turn to be output to the outlet end 3 of the medium delivery pipe, shortening the filtration time. The secondary filter component 42 is at a preset angle to the central axis of the inlet end 2 of the medium delivery pipe, so that the medium can be better filtered.

[0047] In some optional embodiments, the housing 1 includes a housing body 12 and an end cover 13 , and the end cover 13 and the housing body 12 are detachably connected.

[0048] Specifically, the medium enters the first accommodation space of the shell 1 from the inlet end 2 of the medium delivery pipe, and the medium flows into the second accommodation space of the shell 1 through the filter component 4 in turn, and is then output to the outlet end 3 of the medium delivery pipe. All the scale is collected into the filter component 4 and the bottom of the shell 1, and the end cover 13 can be opened to regularly remove impurities inside the filter component 4.

[0049] In some optional embodiments, the sewage discharge component 5 includes a sewage discharge pipe 51 and a sewage discharge valve 52 . The sewage discharge pipe 51 is connected to the shell 1 , and the sewage discharge valve 52 is arranged on the sewage discharge pipe 51 .

[0050] Specifically, the housing 1 includes a housing body 12 and an end cap 13. The end cap 13 and the housing body 12 are detachably connected. Optionally, the end cap 13 and the housing body 12 are connected by a bolt assembly. A drain pipe 51 is connected to the housing body 12. The medium enters the first accommodation space of the housing 1 from the inlet end 2 of the medium delivery pipe. The medium passes through the filter assembly 4 and flows into the second accommodation space of the housing 1. The medium is then output to the outlet end 3 of the medium delivery pipe. All scale is collected in the filter assembly 4 and the bottom of the housing body 12. When in use, the drain valve 52 is opened, and impurities in the housing body 12 are discharged through the drain pipe 51.

[0051] In this utility model, the term "plurality" refers to at least two or more than two, unless otherwise specified. Terms such as "installed," "connected," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean fixed, removable, or integral; "connected" can mean directly or indirectly through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0052] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0053] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A scale-inhibiting filter device, arranged in a medium delivery pipeline, characterized in that: include: The housing (1) is arranged on the medium delivery pipeline and is connected to the inlet end (2) and the outlet end (3) of the medium delivery pipeline respectively; A filter assembly (4) is arranged inside the housing (1), the circumference of the filter assembly (4) being connected to the inner surface of the housing (1), dividing the housing (1) into a first accommodating space and a second accommodating space, the inlet end (2) of the medium delivery pipeline being in communication with the first accommodating space, and the outlet end (3) of the medium delivery pipeline being in communication with the second accommodating space; a sewage discharge component (5), one end of which is in communication with the first accommodation space of the housing (1); A cleaning component (6) has one end extending into the first accommodating space of the housing (1).

2. The scale inhibition and filtration device according to claim 1, characterized in that: The filter assembly (4) comprises a primary filter component (41), a secondary filter component (42) and a support component (43); one end of the primary filter component (41) is arranged along the circumference of the secondary filter component (42); the other end of the primary filter component (41) is connected to the support component (43); the primary filter component (41), the secondary filter component (42) and the support component (43) are enclosed to form a filter housing; the secondary filter component (42) and the support component (43) are arranged in the first accommodating space.

3. The scale-inhibiting filter device according to claim 2, characterized in that: The housing (1) further comprises a fixing component (11), wherein the fixing component (11) is connected to the secondary filter component (42) and the inner surface of the housing (1).

4. The scale-inhibiting filter device according to claim 3, characterized in that: It also includes a medicine containing element (7), which is arranged on the fixed component (11) and faces the inlet end (2) of the medium conveying pipeline.

5. The scale-inhibiting filter device according to claim 2, characterized in that: The primary filter component (41) is a primary filter plate, and the primary filter plate is provided with a plurality of first through holes (411); the secondary filter component (42) is a secondary filter plate, and the secondary filter plate (42) is provided with a plurality of second through holes (421); the diameter of the first through hole (411) is greater than the diameter of the second through hole (421).

6. The scale-inhibiting filter device according to claim 2, characterized in that: The cleaning component (6) comprises a connecting pipe (61), a high-pressure rotary nozzle (62) and an opening and closing valve (63); the high-pressure rotary nozzle (62) is arranged inside the filter housing; the connecting pipe (61) passes through the housing (1) and the supporting component (43) and is connected to the high-pressure rotary nozzle (62); and the opening and closing valve (63) is arranged on the connecting pipe (61).

7. The scale-inhibiting filter device according to claim 6, characterized in that: The supporting component (43) comprises a mounting hole (431) and a plurality of third through holes (432), and the connecting pipe (61) passes through the mounting hole (431) and is connected to the high-pressure rotary spray head (62).

8. The scale-inhibiting filter device according to claim 2, characterized in that: The central axis of the medium delivery pipeline inlet end (2) and the central axis of the medium delivery pipeline outlet end (3) coincide with each other, and the secondary filter component (42) forms a preset angle with the central axis of the medium delivery pipeline inlet end (2).

9. The scale inhibition and filtration device according to claim 1, characterized in that: The sewage discharge component (5) comprises a sewage discharge pipe (51) and a sewage discharge valve (52); the sewage discharge pipe (51) is connected to the housing (1); and the sewage discharge valve (52) is arranged on the sewage discharge pipe (51).

10. The scale-inhibiting filtering device according to claim 1, characterized in that: The housing (1) comprises a housing body (12) and an end cover (13), and the end cover (13) and the housing body (12) are detachably connected.