CN220142753U

CN220142753U - Filtering mechanism and boiler filtering control system

Info

Publication number: CN220142753U
Application number: CN202322327557.3U
Authority: CN
Inventors: 朱培才; 王鑫; 王亚民; 罗立武; 张飞元
Original assignee: Huaneng 803 Thermal Power Co ltd
Current assignee: Huaneng 803 Thermal Power Co ltd
Priority date: 2023-08-29
Filing date: 2023-08-29
Publication date: 2023-12-08
Anticipated expiration: 2033-08-29

Abstract

The utility model relates to the technical field of auxiliary equipment of boilers in thermal power plants, in particular to a filtering mechanism and a boiler filtering control system, which comprise a filtering component, a connecting disc and a filter element, wherein the filter element is arranged above the connecting disc, the shell comprises a water purifying bin and a sewage bin, the water purifying bin is connected with the upper side of the connecting disc, and the sewage bin is connected with the lower side of the connecting disc; the cleaning component comprises a cleaning piece and a pollution discharge piece, the cleaning piece is matched with the filter element, and the pollution discharge piece is connected with the connecting disc and the shell; utilize filter component filtration circulating water, utilize clean subassembly with filter screen clean up when filter screen of filter component is blockked up by impurity in the circulating water, need not to dismantle the filter screen and can accomplish filter screen cleanness, improve water purification efficiency, clean filter screen of clean subassembly of controller control realizes filtering mechanism automatic control, improves the efficiency and the stability of filtering mechanism work.

Description

Filtering mechanism and boiler filtering control system

Technical Field

The utility model relates to the technical field of boiler filtering control of thermal power plants, in particular to a filtering mechanism and a boiler filtering control system.

Background

The thermal power plant is a power generation facility which utilizes heat energy generated by burning fossil fuel to heat water into steam and drives a steam turbine to generate power through high-temperature and high-pressure steam. The circulating water of the boiler of the thermal power plant refers to water recycled in a boiler system of the thermal power plant, and plays roles of conveying heat, diluting mineral substances and protecting the boiler. In order to maintain the quality of the boiler circulating water, a series of treatments including purification, deaeration, hardness removal, dealkalization, water quality regulation, etc. are generally required. In the process of purifying the circulating water, the circulating water needs to be filtered to remove impurities in the water, such as sand grains, rust, sediment and the like. However, the existing filter has the following problems:

the existing filter needs frequent maintenance in order to prevent the filter screen from being blocked and affecting the filtering effect, and the filter screen needs to be closed to be disassembled for cleaning during maintenance, so that the water purifying efficiency is affected.

In order to monitor the operation state of the filtering mechanism in real time and discover problems in time, an automatic control system is required to control the filtering mechanism.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned prior art problems.

The utility model aims to provide a filtering mechanism, which aims to prevent a filter screen from being blocked in the working process of the existing filter, so that frequent maintenance is required, and the filter screen is required to be closed to be detached for cleaning during maintenance, thereby influencing the water purification efficiency.

In order to solve the technical problems, the utility model provides the following technical scheme: the filter assembly comprises a shell, a connecting disc and a filter element, wherein the filter element is arranged above the connecting disc, the shell comprises a water purifying bin and a sewage bin, the water purifying bin is connected with the upper side of the connecting disc, and the sewage bin is connected with the lower side of the connecting disc; the cleaning assembly comprises a cleaning piece and a pollution discharge piece, the cleaning piece is matched with the filter element, the pollution discharge piece is connected with the connecting disc and the shell, the cleaning piece comprises a rotating shaft, a cleaning brush, a spring and a first motor, the cleaning brush is arranged on the circumferential side surface of the rotating shaft, the spring is arranged above the cleaning brush, and the first motor is matched with the upper end of the rotating shaft; the sewage discharging piece comprises a water suction pipe, a rotating pipe and a second motor, wherein the water suction pipe is in running fit with one end of the rotating pipe, the water suction pipe is fixedly connected with the water purifying bin, the rotating pipe is in running fit with the sewage bin, and the second motor is connected with the lower end of the rotating pipe.

As a preferred embodiment of the filter means according to the utility model, wherein: the water purification bin comprises a water outlet, a sewage outlet, a matching hole and a water purification shell, wherein the water outlet and the sewage outlet are both arranged on the circumferential side surface of the water purification shell, and the matching hole is arranged on the top surface of the water purification shell.

As a preferred embodiment of the filter means according to the utility model, wherein: the sewage bin comprises a water injection port, a rotating port and a sewage shell, wherein the water injection port is arranged on the circumferential side surface of the sewage shell, and the rotating port is arranged on the bottom surface of the sewage shell.

As a preferred embodiment of the filter means according to the utility model, wherein: the connecting disc comprises a fixing ring, a water filtering connector, a dirt absorbing port and a mounting disc, wherein the fixing ring is arranged on the circumferential side face of the mounting disc, the water filtering connector is arranged on the upper side face of the mounting disc, and the dirt absorbing port is arranged on the bottom face of the mounting disc and is communicated with the water filtering connector.

As a preferred embodiment of the filter means according to the utility model, wherein: the filter element comprises a filter screen, a mounting head and a matching head, wherein the mounting head is arranged at the bottom of the filter screen, and the matching head is arranged at the top of the filter screen.

As a preferred embodiment of the filter means according to the utility model, wherein: the rotating shaft comprises a center column, a propping ring and a linkage head, wherein the propping ring is arranged at the bottom of the center column, and the linkage head is arranged at the upper end of the circumferential side surface of the center column and is in sliding fit with the first motor.

As a preferred embodiment of the filter means according to the utility model, wherein: the cleaning brush comprises a brush and a matching disc, and the brush is arranged below the matching disc.

As a preferred embodiment of the filter means according to the utility model, wherein: the water suction pipe comprises a water suction pump and a water delivery pipe, and the water suction pump is arranged at the water outlet end of the water delivery pipe.

As a preferred embodiment of the filter means according to the utility model, wherein: the rotating pipe comprises an elbow, a driving column and a clamping head, wherein the driving column is arranged below the elbow, the clamping head is connected with the upper end of the elbow, and the second motor is connected with the lower end of the driving column.

The filtering mechanism has the beneficial effects that: utilize filter component filtration circulating water, utilize clean subassembly with filter screen clean up when filter screen of filter component is blockked up by impurity in the circulating water, need not to dismantle the filter screen and can accomplish filter screen cleanness, improve water purification efficiency.

Another object of the present utility model is to provide a boiler filtration control system, which aims to find problems in time and to stabilize the boiler filtration control system for monitoring the operation state of the filtration mechanism in real time, and to control the filtration mechanism by an automatic boiler filtration control system.

In order to solve the technical problems, the utility model also provides the following technical scheme: the control assembly comprises a controller and a touch sensor, wherein the controller is connected with the touch sensor, the controller is arranged on the upper side surface of the water purifying bin, the touch sensor is arranged on the upper side surface of the first motor, and the controller is connected with the first motor, the second motor and the water suction pump.

The boiler filtering control system has the beneficial effects that: the filter screen which needs to be cleaned is sensed by the touch sensor, and then the filter screen is cleaned by the cleaning component controlled by the controller, so that the automatic control of the filter mechanism is realized, and the working efficiency and stability of the filter mechanism are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of the external structure of a filtering mechanism and a boiler filtering control system according to the present utility model.

FIG. 2 is a schematic diagram of the overall structure of a filtering mechanism according to the present utility model.

FIG. 3 is a schematic view of part of a filter structure according to the present utility model.

Fig. 4 is a schematic structural view of a cleaning member in a filtering mechanism according to the present utility model.

Fig. 5 is a schematic structural view of a connection disc in a filtering mechanism according to the present utility model.

Fig. 6 is a schematic view of a sewage bin in a filtering mechanism according to the present utility model.

Fig. 7 is a schematic structural view of a linkage head in a filtering mechanism according to the present utility model.

In the figure: a filter assembly 100; a housing 101; a clean water bin 101a; a water outlet 101a-1; drain 101a-2; mating holes 101a-3; a water purifying shell 101a-4; a sewage bin 101b; a water filling port 101b-1; a rotation port 101b-2; a sewage casing 101b-3; a land 102; a retainer ring 102a; a water filtering joint 102b; a dirt suction port 102c; a mounting plate 102d; a filter element 103; a screen 103a; a mounting head 103b; a fitting head 103c; a cleaning assembly 200; a cleaning member 201; a rotation shaft 201a; a center column 201a-1; the abutment ring 201a-2; a linkage head 201a-3; a cleaning brush 201b; brush 201b-1; mating tray 201b-2; a spring 201c; a first motor 201d; a drain 202; a water suction pipe 202a; a suction pump 202a-1; water feed tube 202a-2; rotating the tube 202b; elbow 202b-1; a drive post 202b-2; the engagement head 202b-3; a second motor 202c; a control assembly 300; a controller 301 and a touch sensor 302.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Embodiment 1, referring to fig. 1 to fig. 7, provides a filtering mechanism according to a first embodiment of the present utility model, which includes a filtering component 100 including a housing 101, a connection pad 102 and a filter element 103, wherein the filter element 103 is disposed above the connection pad 102, the housing 101 includes a water purifying bin 101a and a sewage bin 101b, the water purifying bin 101a is connected with the upper side of the connection pad 102, and the sewage bin 101b is connected with the lower side of the connection pad 102; the cleaning assembly 200 comprises a cleaning piece 201 and a pollution discharging piece 202, wherein the cleaning piece 201 is matched with the pollution discharging piece 202, the cleaning piece 201 is matched with the filter element 103, the pollution discharging piece 202 is connected with the connecting disc 102 and the shell 101, the cleaning piece 201 comprises a rotating shaft 201a, a cleaning brush 201b, a spring 201c and a first motor 201d, the cleaning brush 201b is arranged on the circumferential side surface of the rotating shaft 201a, the spring 201c is arranged above the cleaning brush 201b, and the first motor 201d is matched with the upper end of the rotating shaft 201a; the sewage discharging piece 202 comprises a water suction pipe 202a, a rotating pipe 202b and a second motor 202c, wherein the water suction pipe 202a is in rotating fit with one end of the rotating pipe 202b, the water suction pipe 202a is fixedly connected with the water purifying bin 101a, the rotating pipe 202b is in rotating fit with the sewage bin 101b, and the second motor 202c is connected with the lower end of the rotating pipe 202b; the shell 101 and the connecting disc 102 are connected together through corrosion-resistant metal, the water purifying bin 101a is connected to the upper portion of the connecting disc 102, the sewage bin 101b is connected to the lower portion, the filter element 103 is a core component in the filter assembly 100, the filter element 103 plays a role in filtering and separating suspended matters, solid particles and other impurities, six filter elements 103 are arranged in the filter mechanism, the cleaning element 201 is inserted into the filter element 103 to clean impurities stuck on the filter element 103 when rotating, the sewage discharging element 202 discharges impurities cleaned by the cleaning element 201 and sewage out of the filter mechanism together, the rotating shaft 201a is driven by the first motor 201d, the cleaning brush 201a drives the cleaning brush 201b to clean the filter element 103, the cleaning brush 201b is pushed by sewage in the filter element 103 when the filter element 103 is blocked, the cleaning brush 201b pushes the spring 201c to compress, the rotating shaft 201a contacts the first motor 201d to switch, the first motor 201d starts to work, the cleaning assembly 200 starts to clean the filter screen, the sewage in the filter element 103 is pumped out by the water pumping pipe 202a, and the rotating pipe 202b is driven by the second motor 202c to select the filter element 103 to be cleaned.

The water purifying bin 101a comprises a water outlet 101a-1, a sewage outlet 101a-2, a matching hole 101a-3 and a water purifying shell 101a-4, wherein the water outlet 101a-1 and the sewage outlet 101a-2 are arranged on the circumferential side surface of the water purifying shell 101a-4, and the matching hole 101a-3 is arranged on the upper side surface of the water purifying shell 101a-4; the water outlet 101a-1 is used for connecting a circulating pipeline to inject filtered circulating water into a boiler circulating system, the sewage outlet 101a-2 is used for welding a sewage pipeline of the sewage disposal member 202 to discharge sewage of the clean filter element 103, and the matching hole 101a-3 is used for assembling the filter element 103.

The sewage bin 101b comprises a water injection port 101b-1, a rotating port 101b-2 and a sewage shell 101b-3, wherein the water injection port 101b-1 is arranged on the circumferential side surface of the sewage shell 101b-3, and the rotating port 101b-2 is arranged on the bottom surface of the sewage shell 101b-3; the water filling port 101b-1 is used for connecting a circulating water pipeline to fill the sewage containing impurities into the filtering assembly 100 for filtering, and the rotating port 101b-2 is used for being in rotating fit with the pollution discharge member 202 and sealing the filter element 103 which needs to be cleaned conveniently.

The connecting disc 102 comprises a fixed ring 102a, a water filtering joint 102b, a sewage suction port 102c and a mounting disc 102d, wherein the fixed ring 102a is arranged on the circumferential side surface of the mounting disc 102d, the water filtering joint 102b is arranged on the upper side surface of the mounting disc 102d, and the sewage suction port 102c is arranged on the bottom surface of the mounting disc 102d and communicated with the water filtering joint 102b; the fixing ring 102a is used for connecting the water purifying bin 101a and the sewage bin 101b to keep the tightness of the filter assembly 100, the water filtering joint 102b is used for connecting the filter element 103, and the sewage sucking port 102c is used for being matched with the sewage discharging piece 202 to facilitate the sewage discharging piece 202 to suck out impurity sewage in the filter element 103.

The filter element 103 comprises a filter screen 103a, a mounting head 103b and a matching head 103c, wherein the mounting head 103b is arranged at the bottom of the filter screen 103a, and the matching head 103c is arranged at the top of the filter screen 103a; the filter screen 103a is a metal filter screen with a single-hole structure for filtering impurities in sewage, the mounting head 103b is used for connecting the filter element 103 to the water filtering joint 102b, and the matching head 103c is used for matching with the rotating shaft 201a of the cleaning piece 201.

When the sewage treatment device is used, sewage is injected into the sewage bin 101b through a pipeline connected with the water injection port 101b-1, then the sewage is injected into the filter element 103 for filtration through the sewage suction port 102c on the connecting disc 102, filtered clean water is injected into the water purification bin 101a, the filtered clean water is injected into a boiler circulation pipeline through a pipeline connected with the water outlet 101a-1 for reuse, if the filter screen 103a is blocked by impurities in the sewage treatment process of the filter element 103, the cleaning piece 201 in the cleaning assembly 200 cleans the impurities on the filter screen 103a, the sewage with the impurities is discharged out of the filtering assembly 100 through the sewage discharge piece 202, the filter screen 103a blocked by the impurities is cleaned through the cleaning assembly 200, the filter screen 103a is not required to be disassembled for cleaning, and the water purification efficiency is improved.

Embodiment 2, refer to fig. 2-7, which is a second embodiment of the present utility model, and is different from the previous embodiment in that the rotating shaft 201a includes a central column 201a-1, a positioning ring 201a-2 and a linkage head 201a-3, the positioning ring 201a-2 is disposed at the bottom of the central column 201a-1, and the linkage head 201a-3 is disposed at the upper end of the circumferential side surface of the central column 201a-1 and is in sliding fit with the first motor 201d; the central column 201a-1 is used for connecting the cleaning brush 201b to drive the cleaning brush 201b to rotate to clean the filter screen 103a, the abutting ring 201a-2 is recovered when the filter element 103 is blocked, the pollution discharge piece 202 can be clamped into the pollution suction port 102c corresponding to the filter element 103, the abutting ring 201a-2 pushes the pollution discharge piece 202 out after the filter element 103 is cleaned, the linkage head 201a-3 is used for being linked with the first motor 201d, and the first motor 201d is convenient to drive the rotation shaft 201a to rotate.

The cleaning brush 201b includes a brush 201b-1 and a mating tray 201b-2, the brush 201b-1 being disposed under the mating tray 201b-2; the brush 201b-1 is installed on the central column 201a-1 and is used for brushing impurities on the filter screen 103a, the matching disc 201b-2 is matched with the wall of the filter element 103, when the filter screen 103a is blocked, sewage can push the matching disc 201b-2 to slide upwards, the matching disc 201b-2 drives the rotating shaft 201a to slide upwards, and the upward sliding rotating shaft 201a starts the first motor 201d to start working.

The water suction pipe 202a comprises a water suction pump 202a-1 and a water delivery pipe 202a-2, wherein the water suction pump 202a-1 is arranged at the water outlet end of the water delivery pipe 202a-2; the water suction pipe 202a pumps the sewage in the filter element 103 by the water suction pump 202a-1, and the water supply pipe 202a-2 is used for transporting the sewage.

The rotating pipe 202b comprises an elbow 202b-1, a driving column 202b-2 and a clamping head 202b-3, the driving column 202b-2 is arranged below the elbow 202b-1, the clamping head 202b-3 is connected with the upper end of the elbow 202b-1, and the second motor 202c is connected with the lower end of the driving column 202b-2; the bent pipe 202b-1 and the water suction pipe 202a are communicated, the driving column 202b-2 is driven to rotate by the second motor 202c, the rotating bent pipe 202b-1 clamps the clamping head 202b-3 into the sewage suction port 102c corresponding to the filter screen 103a to be cleaned, a short pipe is arranged at the upper part of the clamping head 202b-3, the diameter of the short pipe is smaller than that of the bent pipe 202b-1, the short pipe can be contracted into the bent pipe or clamped into the sewage suction port 102c, a section of spring is arranged at the bottom of the short pipe and connected into the bent pipe 202b-1, when the clamping head 202b-3 is pushed out of the sewage suction port 102c by the abutting ring 201a-2, the clamping head 202b-3 is contracted into the bent pipe 202b-1, the bottom spring is in a compressed state, and when the bottom spring is sprung open, the clamping head 202b-3 is pushed out of a section of the bent pipe 202b-1 to be matched with the sewage suction port 102 c.

When in use, sewage is injected into a sewage bin 101b through a pipeline connected with a water injection port 101b-1, then is filtered by a sewage injection filter element 103 through a sewage suction port 102c on a connecting disc 102, filtered clean water is injected into a water purification bin 101a, the filtered clean water is injected into a boiler circulating water pipeline for reuse through a pipeline connected with a water outlet 101a-1, and if impurities block the filter element 103a in the process of filtering the sewage by the filter element 103; the sewage in the blocking filter screen 103a can push the matching disc 201b-2 to slide upwards, the matching disc 201b-2 pushes the rotating shaft 201a to push upwards, the abutting ring 201a-2 withdraws from the sewage suction port 102c, the rotating shaft 201a touches the switch of the first motor 201d, the first motor 201d starts to work, the second motor 202c is manually controlled to be opened, the bent pipe 202b-1 is driven to rotate to clamp the clamping head 202b-3 into the sewage suction port 102c corresponding to the filter screen 103a to be cleaned, the water pump 202a-1 is manually controlled to be opened, water pumping starts, the first motor 201d drives the rotating shaft 201a to rotate to enable the brush 201b-1 connected to the rotating shaft 201a to clean the filter screen 103a, the abutting ring 201a-2 pushes the clamping head 202b-3 out of the sewage suction port 102c again to clean, the second motor 202c drives the bent pipe 202b-1 to rotate away from the sewage suction port 102c, the filter element 103 is utilized to filter sewage, the blocked filter screen 103a is cleaned by utilizing the cleaning assembly 200, and the filter screen 103a is not required to be disassembled, and the water purifying efficiency is improved.

Embodiment 3, referring to fig. 1, is a third embodiment of the present utility model, and further provides a boiler filtering control system, which includes a control assembly 300 including a controller 301 and a touch sensor 302, wherein the controller 301 is connected with the touch sensor 302, the controller 301 is disposed on an upper side of the water purifying bin 101a, the touch sensor 302 is disposed on an upper side of the first motor 201d, and the controller 301 is connected with the first motor 201d, the second motor 202c and the water pump 202a-1; the controller 301 is a PLC controller of model S7-1200, and when the touch sensor 302 is of model SOP-14, the touch sensor 302 is connected in series with the switch of the first motor 201d, and the switch of the first motor 201d is pushed up by the center pillar 201a-1, the touch sensor 302 is also triggered to send a cleaning start signal.

When in use, sewage is injected into a sewage bin 101b through a pipeline connected with a water injection port 101b-1, then is filtered by a sewage injection filter element 103 through a sewage suction port 102c on a connecting disc 102, filtered clean water is injected into a water purification bin 101a, the filtered clean water is injected into a boiler circulating water pipeline for reuse through a pipeline connected with a water outlet 101a-1, and if impurities block the filter element 103a in the process of filtering the sewage by the filter element 103; when the sewage in the blocking filter screen 103a pushes the matching disc 201b-2 to slide upwards, the matching disc 201b-2 pushes the rotating shaft 201a to push upwards, the abutting ring 201a-2 withdraws from the sewage suction port 102c, the touch sensor 302 is pushed to send out a working signal by the central column 201a-1, the controller 301 controls the second motor 202c to start working to drive the bent pipe 202b-1 to rotate so as to clamp the clamping head 202b-3 into the sewage suction port 102c corresponding to the filter screen 103a to be cleaned, the controller 301 controls the water pump 202a-1 to start working to pump water, the first motor 201d drives the rotating shaft 201a to rotate the brush 201b-1 connected to the rotating shaft 201a to start cleaning the filter screen 103a, the abutting ring 201a-2 pushes the clamping head 202b-3 out of the sewage suction port 102c again to finish cleaning, the controller 301 controls the second motor 202c to drive the rotating bent pipe 202b-1 to leave from the sewage suction port 102c, and complete cleaning, when a plurality of filter elements 103 need cleaning, the controller 301 controls the cleaning assembly 200 to rotate clockwise to sequentially clean the filter element 103, and the filter element 103 automatically controls the filter mechanism and improves the working efficiency and the stability of the filter mechanism.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A filtering mechanism, characterized in that: comprising the steps of (a) a step of,

the filter assembly (100) comprises a shell (101), a connecting disc (102) and a filter element (103), wherein the filter element (103) is arranged above the connecting disc (102), the shell (101) comprises a water purifying bin (101 a) and a sewage bin (101 b), the water purifying bin (101 a) is connected with the upper side of the connecting disc (102), and the sewage bin (101 b) is connected with the lower side of the connecting disc (102);

the cleaning assembly (200) comprises a cleaning piece (201) and a pollution discharge piece (202), wherein the cleaning piece (201) is matched with the pollution discharge piece (202), the cleaning piece (201) is matched with the filter element (103), the pollution discharge piece (202) is connected with the connecting disc (102) and the shell (101), the cleaning piece (201) comprises a rotating shaft (201 a), a cleaning brush (201 b), a spring (201 c) and a first motor (201 d), the cleaning brush (201 b) is arranged on the circumferential side surface of the rotating shaft (201 a), the spring (201 c) is arranged above the cleaning brush (201 b), and the first motor (201 d) is matched with the upper end of the rotating shaft (201 a);

the sewage draining piece (202) comprises a water suction pipe (202 a), a rotating pipe (202 b) and a second motor (202 c), wherein the water suction pipe (202 a) is in rotating fit with one end of the rotating pipe (202 b), the water suction pipe (202 a) is fixedly connected with the water purifying bin (101 a), the rotating pipe (202 b) is in rotating fit with the sewage bin (101 b), and the second motor (202 c) is connected with the lower end of the rotating pipe (202 b).

2. The filter mechanism of claim 1, wherein: the water purification bin (101 a) comprises a water outlet (101 a-1), a sewage outlet (101 a-2), a matching hole (101 a-3) and a water purification shell (101 a-4), wherein the water outlet (101 a-1) and the sewage outlet (101 a-2) are both arranged on the circumferential side surface of the water purification shell (101 a-4), and the matching hole (101 a-3) is arranged on the top surface of the water purification shell (101 a-4).

3. The filter mechanism of claim 2, wherein: the sewage bin (101 b) comprises a water injection port (101 b-1), a rotating port (101 b-2) and a sewage shell (101 b-3), wherein the water injection port (101 b-1) is arranged on the circumferential side surface of the sewage shell (101 b-3), and the rotating port (101 b-2) is arranged on the bottom surface of the sewage shell (101 b-3).

4. A filter mechanism as claimed in claim 3, wherein: the connecting disc (102) comprises a fixing ring (102 a), a water filtering connector (102 b), a dirt absorbing port (102 c) and a mounting disc (102 d), wherein the fixing ring (102 a) is arranged on the circumferential side face of the mounting disc (102 d), the water filtering connector (102 b) is arranged on the upper side face of the mounting disc (102 d), and the dirt absorbing port (102 c) is arranged on the bottom face of the mounting disc (102 d) and is communicated with the water filtering connector (102 b).

5. A filter mechanism as claimed in claim 3 or 4, wherein: the filter element (103) comprises a filter screen (103 a), a mounting head (103 b) and a matching head (103 c), wherein the mounting head (103 b) is arranged at the bottom of the filter screen (103 a), and the matching head (103 c) is arranged at the top of the filter screen (103 a).

6. The filter mechanism of claim 5, wherein: the rotating shaft (201 a) comprises a center column (201 a-1), a supporting ring (201 a-2) and a linkage head (201 a-3), wherein the supporting ring (201 a-2) is arranged at the bottom of the center column (201 a-1), and the linkage head (201 a-3) is arranged at the upper end of the circumferential side surface of the center column (201 a-1) and is in sliding fit with the first motor (201 d).

7. The filter mechanism of claim 6, wherein: the cleaning brush (201 b) comprises a brush (201 b-1) and a matching disc (201 b-2), and the brush (201 b-1) is arranged below the matching disc (201 b-2).

8. The filter mechanism of claim 7, wherein: the water suction pipe (202 a) comprises a water suction pump (202 a-1) and a water delivery pipe (202 a-2), and the water suction pump (202 a-1) is arranged at the water outlet end of the water delivery pipe (202 a-2).

9. The filter mechanism of claim 8, wherein: the rotating pipe (202 b) comprises an elbow pipe (202 b-1), a driving column (202 b-2) and a clamping head (202 b-3), the driving column (202 b-2) is arranged below the elbow pipe (202 b-1), the clamping head (202 b-3) is connected with the upper end of the elbow pipe (202 b-1), and the second motor (202 c) is connected with the lower end of the driving column (202 b-2).

10. A boiler filtration control system, characterized by: comprising a filter mechanism according to any one of claims 1 to 9; the method comprises the steps of,

the control assembly (300) comprises a controller (301) and a touch sensor (302), wherein the controller (301) is connected with the touch sensor (302), the controller (301) is arranged on the upper side surface of the water purifying bin (101 a), the touch sensor (302) is arranged on the upper side surface of the first motor (201 d), and the controller (301) is connected with the first motor (201 d), the second motor (202 c) and the water suction pump (202 a-1).