CN219964209U - Filter mechanism and turbine circulating water treatment device - Google Patents

Abstract

The utility model relates to the technical field of steam turbine equipment, in particular to a filtering mechanism and a steam turbine circulating water treatment device, which comprises a filtering component and a vibration component, wherein the filtering component comprises a filtering box, a cavity, a first water inlet pipe, a second water outlet pipe, a filter screen and a fixing piece; the vibration component comprises a driving piece, a touch piece and an elastic piece, wherein the driving piece is connected with the filter box; the filter screen not only is easy to install and detach, but also can generate up-and-down vibration when the filter screen filters water, so that the adhesion and accumulation degree of impurity particles on the filter screen is reduced, and the brush body can clean meshes of the filter screen when the brush body contacts with the filter screen, so that the smoothness of a main flow channel of the filter screen is ensured.

Description

Filter mechanism and turbine circulating water treatment device

Technical Field

The utility model relates to the technical field of steam turbine equipment, in particular to a filtering mechanism and a steam turbine circulating water treatment device.

Background

In the common knowledge of a steam turbine, a condenser circulating water cooling tower is required to be frequently used for pollution discharge, because circulating water is circulated in a closed system, the circulating water is concentrated for a long time, the proportion of organic impurities and inorganic salts in the circulating water is increased, the organic impurities and the inorganic salts can scale in a copper pipe of the condenser, and the heat transfer effect is reduced, so that the circulating water is required to be chemically supervised, pollution discharge is required to be timely performed if the circulating water is unqualified, and the treated fresh water is replenished; in the prior art, in order to reduce environmental pollution, circulating water is subjected to certain standing filtration treatment.

The prior art has the following defects and shortcomings due to structural arrangement: 1. the circulating water contains many granular impurities with large size, not all the impurities are precipitated at the bottom after the circulating water is subjected to standing treatment, the filter screen is easy to be blocked when the small granular impurities which are not precipitated in the circulating water are filtered in the later stage after the circulating water is subjected to standing treatment, the filtering is affected, and the use experience of people is also directly affected by the difficulty in disassembling the filter screen; 2. the large-particle impurities precipitated after the circulating water is kept stand are accumulated in the device and are not easy to discharge or are not discharged thoroughly enough, so that the later use is affected.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

In view of the problems that in the prior art, the filtering screen is easy to be blocked when the circulating water is filtered in the later stage after standing, and the filtering screen is influenced, and the use experience of people is also directly influenced by the difficulty in disassembling the filtering screen, the utility model is provided.

In order to solve the technical problems, the utility model provides the following technical scheme: a filtering mechanism comprises a main body, a filtering plate and a filtering plate,

the filter assembly comprises a filter box, a cavity, a first water inlet pipe, a second water outlet pipe, a filter screen and a fixing piece, wherein the cavity is formed in the filter box, the first water inlet pipe and the second water outlet pipe are arranged on the outer circumferential surface of the filter box and are communicated with the cavity, the fixing piece is positioned in the cavity and is detachably connected with the filter box, and the filter screen is detachably connected with the fixing piece;

the vibration assembly comprises a driving piece, a touch piece and an elastic piece, wherein the driving piece is connected with the filter box, the touch piece is connected with the driving piece, and the elastic piece is connected with the fixing piece.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the fixing piece comprises a circular column, clamping devices and connecting rods, the circular column is in sliding connection with the cavity in the vertical direction, the clamping devices are positioned in the circular column and distributed in an annular equidistant mode, the connecting rods are provided with a plurality of connecting rods and are fixedly connected with the upper end face of the circular column, and the connecting rods are detachably connected with the top of the filter box;

any clamping device comprises a first vertical groove, a second vertical groove, a vertical rod, a cross rod, a first spring and an inserting block, wherein the first vertical groove is arranged at the upper end of the circular column in a penetrating way, the second vertical groove is arranged inside the circular column and is communicated with the second vertical groove, the second vertical groove is communicated with the cavity, the cross rod is fixedly connected to the upper end and the lower end of the first vertical groove, the vertical rod is arranged inside the first vertical groove, the upper end and the lower end of the vertical rod extend to the outside of the circular column, the two cross rods transversely penetrate through the vertical rod and are in sliding connection with the vertical rod, the first spring is arranged outside the circumferential surface of the vertical rod in a avoiding way, the inserting block is in sliding connection with the circumferential outer surface of the vertical rod, and the inserting block horizontally penetrates through the first vertical groove and the second vertical groove and extends to the inside the cavity;

the filter screen with a plurality of sockets have been seted up to the circumference annular equidistance of rose box contact, a plurality of the inserted block corresponds peg graft in a plurality of inside the socket, outlet pipe with inlet tube one is located respectively the upper and lower both sides of filter screen.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the outer edge of the lower end face of the filter screen is fixedly connected with an annular blocking net.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the driving piece comprises a first motor and a shaft rod, the first motor is located at the lower side of the filter screen and fixedly installed on the outer side face of the filter box, the shaft rod is fixedly connected to an output shaft of the first motor, and the shaft rod horizontally extends into the filter box and is in rotary connection with the filter box through a sealing bearing.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the trigger includes a cam fixedly coupled to an outer circumferential surface of the shaft, a protruding portion of the cam being remote from the shaft.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the protruding part of the cam is horizontally and fixedly connected with a brush body, and the brush body is parallel to the shaft lever.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the elastic piece is located inside the clamping device, the elastic piece comprises a circular disc and a second spring, the circular disc is fixedly connected to the circumferential surface of any vertical rod, the circular disc is located on the lower side of the insertion block, and the second spring is connected between the circular disc and the insertion block and located on the outer side of the circumferential surface of the vertical rod.

As a preferred embodiment of the filter mechanism according to the utility model, wherein: the filter tank is characterized in that a sewage draining part is further arranged inside the filter tank, the sewage draining part comprises a boss, a flushing pipe, an annular groove and a sewage draining pipe, the boss is in a round table design and is fixedly connected to the inner bottom end face of the filter tank, the flushing pipe is connected to the middle part of the bottom end of the filter tank and penetrates through the boss in the vertical direction, the annular groove is formed in the bottom of the filter tank and is located in the outer side of the boss, and the sewage draining pipe is connected with the filter tank and is communicated with the annular groove.

The filtering mechanism has the beneficial effects that: the filter screen is easy to assemble and disassemble, the filter screen can vibrate up and down when filtering water, the adhesion and accumulation degree of impurity particles on the filter screen is reduced, and the brush body can clean meshes of the filter screen when contacting with the filter screen, so that the smoothness of a main flow channel of the filter screen is ensured.

In view of the fact that in the actual use process, the problem that the large-particle impurities precipitated after the circulating water stands are not easy to discharge or are not completely discharged in the device, and the later use is affected exists.

In order to solve the technical problems, the utility model also provides the following technical scheme: a circulating water treatment device of a steam turbine comprises a pretreatment component,

the pretreatment component comprises a standing treatment box, a water inlet pipe II, a slag discharging pipe, a supporting table, a water pump and a connecting pipe, wherein the water inlet pipe II is connected with the standing treatment box, the lower end of the standing treatment box is in a conical design, the slag discharging pipe is communicated with the lower end of the standing treatment box, the outer circumferential surfaces of the standing treatment box and the filtering box are fixedly connected with the supporting table, and the water pump is fixedly arranged on the upper end surface of the supporting table; one end of the connecting pipe is connected with the water inlet of the water pump, and the other end of the connecting pipe is communicated with the standing treatment box; one end of the other connecting pipe is connected with the water outlet of the water pump, and the other end of the other connecting pipe is connected with the water inlet pipe II of the filter box.

As a preferable scheme of the turbine circulating water treatment device, the utility model comprises the following steps: a slag discharging part is arranged in the standing treatment box,

the slag discharging part comprises a motor II, a stirring rod and a scraping plate, wherein the motor II is fixedly arranged in the middle of the upper end face of the outer side of the standing treatment box, the stirring rod is fixedly connected with an output shaft of the motor II, the stirring rod downwards extends to the inner part of a conical cavity of the standing treatment box, the lower end of the stirring rod is fixedly connected with the scraping plate, and the scraping plate is attached to the conical cavity of the standing treatment box.

The steam turbine circulating water treatment device has the beneficial effects that: the second output shaft of the motor drives the scraping plate to rotate through driving the stirring rod, and the scraping plate is attached to the conical cavity surface of the standing treatment box, so that impurities remained in the conical cavity of the standing treatment box can be scraped off more fully when the scraping plate rotates, and the slag discharging process is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in 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 an overall schematic diagram of a filtration mechanism and a turbine circulating water treatment apparatus.

Fig. 2 is a cross-sectional view of a filtering mechanism and a turbine circulating water treatment device.

Fig. 3 is a cross-sectional view of a filter mechanism and a filter mechanism in a turbine circulating water treatment apparatus.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a cross-sectional view at B-B in fig. 4.

Fig. 6 is a schematic structural view of the vertical rod, the horizontal rod, the insert block and the first spring in the clamping device.

Fig. 7 is a schematic view of the structure of the annular column and the filter screen.

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.

Example 1

Referring to fig. 2-7, a first embodiment of the present utility model provides a filtering mechanism, which includes a filtering component 100 and a vibration component 200.

Specifically, the filter assembly 100 includes a filter box 101, a cavity 102, a first water inlet pipe 103, a second water outlet pipe 104, a filter screen 105 and a fixing piece 106, the cavity 102 is arranged inside the filter box 101, the first water inlet pipe 103 and the second water outlet pipe 104 are arranged on the outer circumferential surface of the filter box 101 and are communicated with the cavity 102, the fixing piece 106 is positioned inside the cavity 102 and is detachably connected with the filter box 101, and the filter screen 105 is detachably connected with the fixing piece 106;

the fixing piece 106 comprises a circular column 106a, clamping devices 106b and a connecting rod 106c, the circular column 106a is in sliding connection with the cavity 102 in the vertical direction, the clamping devices 106b are positioned in the circular column 106a and distributed in an annular equidistant mode, at least three clamping devices 106b are arranged, the connecting rod 106c is provided with a plurality of connecting rods and is fixedly connected with the upper end face of the circular column 106a, the connecting rods 106c are detachably connected with the top of the filter box 101, and the top of the filter box 101 is detachably connected with the filter box 101;

any clamping device 106b comprises a first vertical groove 106b-1, a second vertical groove 106b-2, a vertical rod 106b-3, a cross rod 106b-4, a first spring 106b-5 and a plug 106b-6, wherein the first vertical groove 106b-1 is arranged at the upper end of the circular column 106a in a penetrating way, the second vertical groove 106b-2 is arranged inside the circular column 106a and is communicated with the second vertical groove 106b-2, the second vertical groove 106b-2 is communicated with the cavity 102, the cross rod 106b-4 is fixedly connected to the upper end and the lower end of the first vertical groove 106b-1, the vertical rod 106b-3 is positioned inside the first vertical groove 106b-1, the upper end and the lower end of the vertical rod extend to the outside of the circular column 106a, the two cross rods 106b-4 transversely penetrate through the vertical rod 106b-3 and are connected with the vertical rod 106b-3 in a sliding way, the first spring 106b-5 avoids the 106b-3 and is arranged at the outer side of the circumferential surface of the vertical rod 106b-4, the plug 106b-6 is connected with the outer circumferential surface of the vertical rod 106b-3 in a sliding way, and the plug 106b-6 extends horizontally through the first vertical groove 106b-1 and the cavity 106b-2 to the inside the cavity 102; the filter screen 105 is provided with a plurality of sockets 105b at equal intervals along the annular contact circumference of the filter tank 101, a plurality of inserting blocks 106b-6 are correspondingly inserted into the sockets 105b, the water outlet pipe 104 and the water inlet pipe 103 are respectively positioned on the upper side and the lower side of the filter screen 105, and an annular blocking net 105a is fixedly connected to the outer edge of the lower end surface of the filter screen 105.

The vibration assembly 200 comprises a driving piece 201, a touch piece 202 and an elastic piece 203, wherein the driving piece 201 is connected with the filter box 101, the touch piece 202 is connected with the driving piece 201, and the elastic piece 203 is connected with the fixing piece 106.

The driving piece 201 comprises a first motor 201a and a shaft rod 201b, the first motor 201a is positioned at the lower side of the filter screen 105 and fixedly arranged on the outer side surface of the filter box 101, the shaft rod 201b is fixedly connected to an output shaft of the first motor 201a, and the shaft rod 201b horizontally extends into the filter box 101 and is in rotary connection with the filter box 101 through a sealing bearing; the touch piece 202 comprises a cam 202a, the cam 202a is fixedly connected to the outer circumferential surface of the shaft 201b, the protruding part of the cam 202a is far away from the shaft 201b, the protruding part of the cam 202a is horizontally and fixedly connected with a brush body 202b, and the brush body 202b is parallel to the shaft 201b; the elastic piece 203 is located inside the clamping device 106b, the elastic piece 203 comprises a circular disc 203a and a second spring 203b, the circular disc 203a is fixedly connected to the circumferential surface of any one of the vertical rods 106b-3, the circular disc 203a is located at the lower side of the insertion block 106b-6, and the second spring 203b is connected between the circular disc 203a and the insertion block 106b-6 and located at the outer side of the circumferential surface of the vertical rod 106 b-3.

When the filter screen 105 is used, the filter screen 105 is fixed with the circular column 106a, specifically, the plurality of vertical rods 106b-3 are pushed in the direction away from the circle center of the circular column 106a, at the moment, the vertical rods 106b-3 slide on the outer surface of the cross rod 106b-4 and squeeze the first spring 106b-5, and when the vertical rods 106b-3 move in the first groove body 106b-1, the inserting blocks 106b-6 are driven to move in the direction away from the circle center of the circular column 106a until the plurality of inserting blocks 106b-6 do not extend out of the second vertical groove 106b-2; at this time, the filter screen 105 is placed inside the circular column 106a, the positions of the filter screen 105 are adjusted to enable the positions of the plurality of inserting holes 105b to correspond to the positions of the plurality of inserting blocks 106b-6, then the plurality of vertical rods 106b-3 are loosened, the plurality of inserting blocks 106b-6 are correspondingly inserted into the plurality of inserting holes 105b in the process of recovering the elastic force of the first spring 106b-5, so that the fixation of the filter screen 105 and the circular column 106a is completed, then a plurality of connecting rods 106c on the upper end face of the circular column 106a are fixedly connected with the top of the filter box 101 through bolts, and then the top of the filter box 101 is fixedly installed on the filter box 101 through bolts;

water to be filtered is injected into the cavity 102 through the first water inlet pipe 103, when a certain amount of water is injected into the cavity 102, the water body flows above the cavity 102 without the filter screen 105, and impurities in the water body are filtered by the filter screen 105; at this time, the first motor 201a is turned on, the output shaft of the first motor 201a rotates and drives the shaft lever 201b to rotate, and at this time, the cam 202a fixedly connected with the shaft lever 201b rotates, and the cam 202a is located at the lower side of the filter screen 105 and corresponds to the middle position of the filter screen 105; in the initial state, the second spring 203b is in a compressed state under the gravity of the filter screen 105, when the protruding part of the cam 202a rotates to the upper side, the protruding part of the cam 202a touches the filter screen 105 and can jack up the filter screen 105 upwards for a certain distance, then the cam 202a can continue to rotate, when the protruding part of the cam 202a rotates to be separated from the filter screen 105, the filter screen 105 can shake up and down under the action of the elastic force of the second spring 203b, magazine particles blocking the meshes of the filter screen 105 can be separated from the filter screen 105 in the process, so that the adhesion and accumulation degree of impurity particles on the filter screen 105 is reduced, the normal filtering function of the filter screen 105 is maintained, and the annular blocking net 105a can prevent the impurity particles in water from entering the first vertical groove 106b-1 and the second vertical groove 106b-2, so that the vibration process of the filter screen 105 in the later period is affected; the brush body 202b fixedly connected with the protruding part of the cam 202a can clean meshes of the filter screen 105 when contacting with the filter screen 105, so that smoothness of a main flow channel of the filter screen 105 is ensured, and the rotation of the cam 202a continuously realizes circular cleaning of the filter screen 105.

In sum, the filter screen 105 is not only easy to be installed inside the filter box 101, but also the filter screen 105 can vibrate up and down when filtering water, so that the adhesion and accumulation degree of impurity particles on the filter screen 105 can be reduced, the normal filtering function of the filter screen 105 is maintained, the meshes of the filter screen 105 can be cleaned when the brush 202b contacts the filter screen 105, and the smoothness of a main flow channel of the filter screen 105 is ensured.

Example 2

Referring to fig. 2 to 3, unlike the previous embodiment, the second embodiment of the present utility model provides a drain 107 of a filtering mechanism.

Specifically, the filter tank 101 is further provided with a drain member 107 inside, the drain member 107 includes a boss 107a, a flushing pipe 107b, an annular groove 107c and a drain pipe 107d, the boss 107a is in a round table design and is fixedly connected to the inner bottom end surface of the filter tank 101, the flushing pipe 107b is connected to the middle of the bottom end of the filter tank 101 and penetrates through the boss 107a in the vertical direction, the annular groove 107c is formed in the bottom of the filter tank 101 and is located in the outer side of the boss 107a, and the drain pipe 107d is connected with the filter tank 101 and is communicated with the annular groove 107 c.

When the filter box 101 is used, the flushing pipe 107b and the drain pipe 107d are in a closed state during filtering operation, after filtering, the drain pipe 107d is opened, the first water inlet pipe 103 is closed, residual water at the lower side of the water outlet pipe 104 flows out of the drain pipe 107d, clear water is injected into the flushing pipe 107b after water discharging is finished, as the upper end of the flushing pipe 107b is in a closed state, a plurality of spray heads are arranged at the upper side of the flushing pipe 107b, clear water in the flushing pipe 107b is finally sprayed out from the spray heads, impurity particles attached to the surfaces of the cavity 102 and the boss 107a are washed, and washed impurities flow into the annular groove 107c to finally flow out of the drain pipe 107d along the water flow, so that the influence of excessive impurity particles remained in the filter box 101 on the next filtering is prevented.

To sum up, the dirt discharging member 107 can flush the filtered filter box 101 with impurities, and ensures the cleaning of the interior of the cavity 102 to a certain extent after the end of the filtration.

Example 3

Referring to fig. 1 to 2, in a third embodiment of the present utility model, unlike the previous embodiment, this embodiment provides a steam turbine circulating water treatment apparatus, which includes a pretreatment assembly 300.

The pretreatment assembly 300 comprises a standing treatment box 301, a second water inlet pipe 302, a slag discharging pipe 303, a supporting table 304, a water pump 305 and a connecting pipe 306, wherein the second water inlet pipe 302 is connected with the standing treatment box 301, the lower end of the standing treatment box 301 is in a conical design, the slag discharging pipe 303 is communicated with the lower end of the standing treatment box 301, the outer circumferential surfaces of the standing treatment box 301 and the filtering box 101 are fixedly connected with the supporting table 304, and the water pump 305 is fixedly arranged on the upper end surface of the supporting table 304; one end of one connecting pipe 306 is connected with the water inlet of the water pump 305, and the other end is communicated with the standing treatment box 301; one end of the other connecting pipe 306 is connected with the water outlet of the water pump 305, and the other end is connected with the water inlet pipe II 302 of the filter box 101; the inside sediment piece 307 that is provided with of processing case 301 stands, sediment piece 307 includes motor two 307a, puddler 307b and scraper blade 307c, motor two 307a fixed mounting is in the up end middle part of processing case 301 outside of standing, puddler 307b fixed connection is in motor two 307 a's output shaft, puddler 307b downwardly extending to processing case 301's of standing toper cavity inside, puddler 307b lower extreme fixedly connected with scraper blade 307c, scraper blade 307c and processing case 301's toper cavity face laminating of standing.

When the circulating water treatment device is used, a certain amount of circulating water of the turbine is injected into the static treatment box 301 from the water inlet pipe II 302 to be subjected to static treatment, large-particle impurities in the circulating water after static treatment are sunk into the bottom of the static treatment box 301, then the water pump 305 is started to be switched on and off, the water pump 305 pumps out the clear water which is deposited on the upper half part of the static treatment box 301 through the connecting pipe 306, then the valve of the slag discharging pipe 303 is opened, the deposited large-particle impurities fall from the slag discharging pipe 303, the conical cavity design at the bottom of the static treatment box 301 is more beneficial to slag discharging, when slag discharging is incomplete, the switch of the motor II 307a is opened, the output shaft of the motor II 307a drives the scraping plate 307c to rotate by driving the stirring rod 307b, and the scraping plate 307c is attached to the conical cavity surface of the static treatment box 301, so that the scraping plate 307c can more fully scrape the impurities remained in the conical cavity of the static treatment box 301 during rotation, and the slag discharging process is more beneficial to the slag discharging process.

In summary, the slag discharging member 307 is provided to thoroughly discharge the impurities deposited at the bottom of the stationary treatment tank 301.

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 (10)

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

the filtering assembly (100) comprises a filtering box (101), a cavity (102), a first water inlet pipe (103), a water outlet pipe (104), a filter screen (105) and a fixing piece (106), wherein the cavity (102) is formed in the filtering box (101), the first water inlet pipe (103) and the water outlet pipe (104) are arranged on the outer circumferential surface of the filtering box (101) and are communicated with the cavity (102), and the fixing piece (106) is located in the cavity (102) and is detachably connected with the filtering box (101), and the filter screen (105) is detachably connected with the fixing piece (106);

the vibration assembly (200) comprises a driving piece (201), a touch piece (202) and an elastic piece (203), wherein the driving piece (201) is connected with the filter box (101), the touch piece (202) is connected with the driving piece (201), and the elastic piece (203) is connected with the fixing piece (106).

2. The filter mechanism of claim 1, wherein: the fixing piece (106) comprises a circular column (106 a), clamping devices (106 b) and connecting rods (106 c), wherein the circular column (106 a) is in sliding connection with the cavity (102) in the vertical direction, the clamping devices (106 b) are positioned in the circular column (106 a) and distributed in an annular equidistant mode, the connecting rods (106 c) are provided with a plurality of connecting rods and are fixedly connected with the upper end face of the circular column (106 a), and the connecting rods (106 c) are detachably connected with the top of the filter box (101);

any clamping device (106 b) comprises a first vertical groove (106 b-1), a second vertical groove (106 b-2), a vertical rod (106 b-3), a cross rod (106 b-4), a first spring (106 b-5) and an inserting block (106 b-6), wherein the first vertical groove (106 b-1) is arranged at the upper end of the circular column (106 a) in a penetrating way, the second vertical groove (106 b-2) is arranged inside the circular column (106 a) and is communicated with the second vertical groove (106 b-2), the second vertical groove (106 b-2) is communicated with the cavity (102), the cross rod (106 b-4) is fixedly connected to the upper end and the lower end of the first vertical groove (106 b-1), the upper end and the lower end of the first vertical groove (106 b-1) are respectively extended to the outer part of the circular column (106 a), the two cross rods (106 b-4) are transversely arranged in the circular column (106 a) in a penetrating way, the two cross rods (106 b-4) are respectively connected with the outer surface (106 b-3) of the first vertical groove (106 b-1) and are connected with the outer surface (106 b-3) in a sliding way, the cross rod (106 b-3) is connected with the outer surface (106 b-3) and the outer surface (106 b-3) is avoided, the insertion block (106 b-6) horizontally penetrates through the first vertical groove (106 b-1) and the second vertical groove (106 b-2) and extends into the cavity (102);

the filter screen (105) and the circumference surface annular equidistant of the contact of the filter box (101) are provided with a plurality of inserting holes (105 b), a plurality of inserting blocks (106 b-6) are correspondingly inserted into the inserting holes (105 b), and the water outlet pipe (104) and the water inlet pipe I (103) are respectively positioned on the upper side and the lower side of the filter screen (105).

3. A filter mechanism as claimed in claim 1 or claim 2, wherein: an annular blocking net (105 a) is fixedly connected to the outer edge of the lower end face of the filter screen (105).

4. A filter mechanism as claimed in claim 3, wherein: the driving piece (201) comprises a first motor (201 a) and a shaft rod (201 b), the first motor (201 a) is located at the lower side of the filter screen (105) and fixedly installed on the outer side face of the filter box (101), the shaft rod (201 b) is fixedly connected to an output shaft of the first motor (201 a), and the shaft rod (201 b) horizontally extends to the inside of the filter box (101) and is rotatably connected with the filter box (101) through a sealing bearing.

5. The filter mechanism of claim 4, wherein: the trigger member (202) includes a cam (202 a), the cam (202 a) is fixedly connected to the outer circumferential surface of the shaft (201 b), and a protruding portion of the cam (202 a) is away from the shaft (201 b).

6. The filter mechanism of claim 5, wherein: the protruding part of the cam (202 a) is horizontally and fixedly connected with a brush body (202 b), and the brush body (202 b) is parallel to the shaft lever (201 b).

7. The filter mechanism of claim 2, wherein: the elastic piece (203) is located inside the clamping device (106 b), the elastic piece (203) comprises a circular disc (203 a) and a second spring (203 b), the circular disc (203 a) is fixedly connected to the circumferential surface of any one of the vertical rods (106 b-3), the circular disc (203 a) is located at the lower side of the insertion block (106 b-6), and the second spring (203 b) is connected between the circular disc (203 a) and the insertion block (106 b-6) and located at the outer side of the circumferential surface of the vertical rod (106 b-3).

8. The filter mechanism of claim 7, wherein: the filter tank (101) is inside still to be provided with blowdown spare (107), blowdown spare (107) include boss (107 a), bath pipe (107 b), annular groove (107 c) and blow off pipe (107 d), boss (107 a) be round platform design and fixed connection in the inboard bottom surface of filter tank (101), bath pipe (107 b) connect in filter tank (101) bottom middle part and vertical direction run through boss (107 a), annular groove (107 c) set up in filter tank (101) bottom just is located the outside of boss (107 a), blow off pipe (107 d) with filter tank (101) are connected and with annular groove (107 c) intercommunication.

9. A kind of turbine circulating water treatment facility, characterized by that: comprising a filter mechanism according to any one of claims 1 to 8, and a pretreatment assembly (300),

including standing still and handling case (301), inlet tube two (302), scum pipe (303), brace table (304), water pump (305) and connecting tube (306), inlet tube two (302) with standing still and handling case (301) are connected, standing still and handling case (301) lower extreme is the circular cone design, scum pipe (303) with standing still and handling case (301) lower extreme intercommunication, standing still and handling case (301) with the outer periphery of rose box (101) all fixed connection in brace table (304), water pump (305) fixed mounting in the up end of brace table (304); two connecting pipes (306) are arranged, one end of one connecting pipe (306) is connected with the water inlet of the water pump (305), and the other end is communicated with the standing treatment box (301); one end of the other connecting pipe (306) is connected with the water outlet of the water pump (305), and the other end of the other connecting pipe is connected with the water inlet pipe II (302) of the filter box (101).

10. The turbine circulating water treatment apparatus as claimed in claim 9, wherein: a slag discharging part (307) is arranged in the standing treatment box (301),

the slag discharging part (307) comprises a motor II (307 a), a stirring rod (307 b) and a scraping plate (307 c), the motor II (307 a) is fixedly arranged in the middle of the upper end face of the outer side of the standing treatment box (301), the stirring rod (307 b) is fixedly connected to an output shaft of the motor II (307 a), the stirring rod (307 b) downwards extends to the inside of a conical cavity of the standing treatment box (301), the scraping plate (307 c) is fixedly connected to the lower end of the stirring rod (307 b), and the scraping plate (307 c) is attached to the conical cavity surface of the standing treatment box (301).