Filtering device for open cooling water system

Abstract

The application relates to a filter device for an open cooling water system of a thermal power steam turbine, which comprises a filtering assembly, a cleaning assembly and a connecting piece, the filtering assembly comprises a shell, a filter core and the connecting piece, the shell is connected with the connecting piece, and the filter core is matched with the connecting piece; the cleaning assembly comprises a dirt suction piece, a reciprocating piece and a dirt discharge block, the dirt suction piece is matched with the dirt discharge block, and the reciprocating piece is matched with the dirt discharge block; impurities and particulate matters in circulating water are filtered out through the filtering assembly, and the filtering assembly can clean the impurities and particulate matters in the filter, so that the filter can be self-cleaned, the staff need not frequently maintain and clean the filter, and the circulating efficiency of the circulating water is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to auxiliary equipment of thermal power steam turbine, and particularly relates to a filtering device for open cooling water system. BACKGROUND

[0002] Steam turbine power generation is a common power generation method, which mainly generates high-temperature and high-pressure steam by burning fossil fuels (such as coal, natural gas, etc.) or nuclear fuels in a boiler, and then drives the steam turbine to rotate, and further drives the generator to rotate to generate electric energy. After the steam is used to generate electricity, a cooling water system is needed to dissipate the large amount of heat generated in the steam turbine and condense the steam into water for recycling, so as to maintain the normal operation of the system and recycle the water. The open cooling water system is a common cooling water system. It should be noted that the filter is a very important component in the open cooling water system. The main function of the filter is to filter out impurities and particulate matters in the circulating water to maintain the cleanliness and quality of the circulating water and prolong the service life of the steam turbine.

[0003] However, the existing filter needs to be frequently maintained and cleaned by the staff, and the clogged impurities in the filter need to be cleaned, which consumes manpower and material resources and affects the circulating efficiency of the circulating water. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, the abstract and the title. Such simplifications or omissions cannot be used to limit the scope of the present application.

[0005] In view of the above and / or existing problems in the prior art, the present application is proposed.

[0006] Therefore, the technical problem to be solved by the present application is that the existing filter needs to be frequently maintained and cleaned, the clogged impurities in the filter need to be cleaned, which consumes manpower and material resources, and affects the circulating efficiency of the circulating water.

[0007] To solve the above technical problems, the present application provides the following technical scheme: a filtering device for an open cooling water system, comprising a filtering assembly, comprising a shell, a filter element and a connecting piece, the shell is connected with the connecting piece, and the filter element is matched with the connecting piece; a cleaning assembly comprising a dirt suction piece, a reciprocating piece and a dirt discharge block, the dirt suction piece is matched with the dirt discharge block, and the reciprocating piece is matched with the dirt discharge block.

[0008] As a preferred scheme of the filter device for the open cooling water system, the shell comprises a water collecting barrel, a water outlet and a mounting plate, the water outlet is arranged on the circumferential side of the water collecting barrel, and the mounting plate is arranged on the side of the water collecting barrel; the mounting plate comprises a motor, a first matching ring, a second matching ring and a driving gear, the motor is arranged on the side of the mounting plate, the first matching ring and the second matching ring are arranged on the side of the mounting plate, and the driving gear is connected with the motor.

[0009] As a preferred scheme of the filter device for the open cooling water system, the filter element comprises a filter cylinder and filter holes, the filter holes are arranged on the circumferential side of the filter cylinder, and the filter cylinder is matched with the connecting piece.

[0010] As a preferred scheme of the filter device for the open cooling water system, the connecting piece comprises a sealing disc, a matching barrel and a dirt collecting box, the matching barrel is arranged on the side of the sealing disc, and the dirt collecting box is arranged on the side of the sealing disc; the sealing disc comprises a first matching hole, a second matching hole, a third matching hole, a filter element matching ring and a water inlet, the first matching hole, the second matching hole, the third matching hole, the water inlet and the filter element matching ring are arranged on the side of the sealing disc.

[0011] As a preferred scheme of the filter device for the open cooling water system, the matching barrel comprises a sliding barrel, a matching lug, a spring and a screw through hole, the matching lug is arranged on the circumferential side of the sliding barrel, the spring is arranged on the side of the matching lug, and the screw through hole is arranged on the side of the sliding barrel.

[0012] As a preferred scheme of the filter device for the open cooling water system, the dirt suction piece comprises a dirt suction pipe, a drain pipe, a water suction pump, a dirt discharging bin and a limiting head, the dirt suction pipe and the drain pipe are connected with the dirt discharging bin, the drain pipe is connected with the water suction pump, and the limiting head is arranged on the side of the dirt suction pipe.

[0013] As a preferred scheme of the filter device for the open cooling water system, the dirt suction pipe comprises a dirt suction head, a dirt discharging pipe and a connecting pipe, the dirt suction head is arranged on the side of the dirt discharging pipe, and the connecting pipe is connected with the dirt discharging pipe; the limiting head comprises a limiting column and a limiting disc, the limiting disc is arranged on the side of the limiting column, and the limiting column is connected with the connecting pipe.

[0014] As a preferred scheme of the filter device for the open cooling water system, the reciprocating member comprises a threaded rod, a sliding block, a limiting spring block, a first bevel gear and a second bevel gear, the threaded rod is matched with the sliding block, the limiting spring block is matched with the threaded rod, the first bevel gear and the second bevel gear are matched with the threaded rod, and the limiting spring block is matched with the threaded rod.

[0015] As a preferred scheme of the filter device for the open cooling water system, the sliding block comprises a threaded hole, a connecting block, a pushing column and a connecting head, the threaded hole is arranged on the side surface of the sliding block, the connecting block is arranged on the side surface of the sliding block, the pushing column is connected with the connecting block, and the connecting head is arranged on the side surface of the pushing column; the first bevel gear comprises a first reversing tooth, and the first reversing tooth is arranged on the side surface of the first bevel gear; and the second bevel gear comprises a second reversing tooth, and the second reversing tooth is arranged on the side surface of the second bevel gear.

[0016] As a preferred scheme of the filter device for the open cooling water system, the blowdown block comprises a blowdown groove, a matching pipe and a connecting groove, the blowdown groove, the matching pipe and the connecting groove are arranged on the side surface of the blowdown block, and the connecting groove is connected with the connecting head.

[0017] The filter device for the open cooling water system has the following beneficial effects: the filter assembly is arranged to filter out impurities and particulate matters in circulating water, the cleaning assembly is arranged to clean impurities and particulate matters in the filter, the filter element can be self-cleaned and blowdown, and the circulating efficiency of the circulating water is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative labor. Among them:

[0019] Figure 1 The filter device for the open cooling water system provided by an embodiment of the present application has the overall component structure schematic diagram shown in the figure;

[0020] Figure 2 The filter device for the open cooling water system provided by an embodiment of the present application has the overall component structure schematic diagram shown in the figure; Figure 1 The internal structure schematic diagram of the filter device for the open cooling water system provided by an embodiment of the present application;

[0021] Figure 3The structural schematic view of the cleaning assembly in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure.

[0022] Figure 4 The structural schematic view of part of the zero level in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure.

[0023] Figure 5 The structural schematic view of the shell in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure.

[0024] Figure 6 The structural schematic view of the connecting piece in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure.

[0025] Figure 7 The structural schematic view of the suction piece and the dirt discharging block in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure.

[0026] Figure 8 The structural schematic view of the overall connecting structure in the filter device for the open cooling water system according to an embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0027] In order to make the above objectives, features and advantages of the present application more apparent, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0028] In the following description, a lot of specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0029] Secondly, the present application is described in detail in combination with the schematic view, and in the detailed description of the embodiments of the present application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic view is only an example, which should not limit the scope of protection of the present application herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0030] Thirdly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments.

[0031] Embodiment 1

[0032] Reference Figures 1-6The embodiment provides a filtering device for an open cooling water system, which comprises a filtering assembly 100, a filter core 102 and a connecting piece 103, the filtering assembly 100 is connected with the connecting piece 103, and the filter core 102 is matched with the connecting piece 103; the filtering assembly 100 is a corrosion-resistant metal shell, can collect water filtered by the filtering assembly 100, and re-injects the filtered water into circulating water for reuse; the filter core 102 is used for filtering impurities and particulate matters in the circulating water; and the connecting piece 103 can connect the filtering assembly 100 and the filter core 102.

[0033] The filtering assembly 100 comprises a water collecting barrel 101a, a water outlet 101b and a mounting plate 101c, the water outlet 101b is arranged on the circumferential side of the water collecting barrel 101a, and the mounting plate 101c is arranged on the side of the water collecting barrel 101a; the mounting plate 101c comprises a motor 101c-1, a first matching ring 101c-2, a second matching ring 101c-3 and a driving gear 101c-4, the motor 101c-1 is arranged on the side of the mounting plate 101c, the first matching ring 101c-2 and the second matching ring 101c-3 are arranged on the side of the mounting plate 101c, and the driving gear 101c-4 is connected with the motor 101c-1; the water collecting barrel 101a is connected with the connecting piece 103 in a sealed mode and is used for collecting filtered water, the water outlet 101b is used for re-injecting water in the water collecting barrel 101a into circulating water, and the mounting plate 101c is used for mounting other components; the motor 101c-1 is a motor for driving a cleaning assembly 200 and is mounted and fixed on the mounting plate 101c, and the driving gear 101c-4 can be a component driven by the motor 101c-1.

[0034] The filter core 102 comprises a filter cylinder 102a and filter holes 102b, the filter holes 102b are arranged on the circumferential side of the filter cylinder 102a, and the filter cylinder 102a is matched with the connecting piece 103; the filter cylinder 102a is connected with the connecting piece 103, so that the filter holes 102b can filter injected sewage.

[0035] The connector 103 includes a sealing disc 103a, a mating barrel 103b, and a sludge collection box 103c. The mating barrel 103b is disposed on the side of the sealing disc 103a, and the sludge collection box 103c is disposed on the side of the sealing disc 103a. The sealing disc 103a includes a first mating hole 103a-1, a second mating hole 103a-2, a third mating hole 103a-3, a filter element mating ring 103a-4, and a water inlet 103a-5. The first mating hole 103a-1, the second mating hole 103a-2, the third mating hole 103a-3, and the water inlet 103a-5 are disposed on the side of the sealing disc 103a. The filter element mating ring 103a-4 is disposed on the side of the sealing disc 103a. The mating ring 103a-4 is located on the side of the sealing disc 103a; the sealing disc 103a is used to connect the outer shell 101 and the filter element 102 to form a complete filter assembly 100; the mating bucket 103b is used to install the cleaning assembly 200; the sludge collection box 103c is used to collect the sludge and wastewater discharged from the cleaning assembly 200; the first mating hole 103a-1, the second mating hole 103a-2 and the third mating hole 103a-3 are used to install the cleaning assembly 200; the filter element mating ring 103a-4 is used to install the filter element 102; and the inlet 103a-5 is the wastewater inlet of the filter assembly 100.

[0036] In use, the cooling circulating water containing impurities and particles in the water tank 400 is injected into the filter assembly 100 through the inlet 103a-5. The wastewater injected into the filter assembly 100 enters the filter cartridge 102a. After the wastewater is filtered through the filter holes 102b, the impurities and particles remain in the filter cartridge 102a. The filtered circulating water flows into the collection tank 101a, and then the filtered circulating water is reinjected into the open cooling water system through the outlet 101b for recycling. This maintains the cleanliness and quality of the circulating water and extends the life of the steam turbine.

[0037] Example 2

[0038] Reference Figures 2-7 This is the second embodiment of the present invention. Based on the previous embodiment, this embodiment provides an implementation method for a filtration device for an open cooling water system.

[0039] The cleaning component 200 includes a suction component 201, a reciprocating component 202, and a discharge block 203. The suction component 201 cooperates with the discharge block 203, and the reciprocating component 202 cooperates with the discharge block 203. The suction component 201 is used to suck out impurities and particulate matter filtered out from the filter component. The reciprocating component 202 is used to rotate the filter element 102 and reciprocate to drive the suction component 201 to increase the cleaning surface of the filter element 102. The discharge block 203 is vertically through and is used to discharge the sludge sucked out by the suction component 201. The discharge block 203 does not fall off the suction component 201 and moves with the suction component 201.

[0040] The matching barrel 103b includes a sliding barrel 103b-1, a matching lug 103b-2, a spring 103b-3, and a screw rod through hole 103b-4, the matching lug 103b-2 is arranged on the circumferential side of the sliding barrel 103b-1, the spring 103b-3 is arranged on the side of the matching lug 103b-2, and the screw rod through hole 103b-4 is arranged on the side of the sliding barrel 103b-1; the sliding barrel 103b-1 is matched and installed with the filter element 102 and protects the operation of the cleaning assembly 200, the matching lug 103b-2 is matched and installed with the suction member 201, the spring 103b-3 provides pre-tightening force when the suction member 201 is driven by the reciprocating member 202 to make reciprocating motion, and the screw rod through hole 103b-4 is used to cooperate with the reciprocating member 202.

[0041] The suction member 201 includes a suction pipe 201a, a drain pipe 201b, a water pump 201c, a sewage bin 201d, and a limiting head 201e, the suction pipe 201a and the drain pipe 201b are connected with the sewage bin 201d, the drain pipe 201b is connected with the water pump 201c, and the limiting head 201e is arranged on the side of the suction pipe 201a; the suction pipe 201a is used to suck impurities and particulate matters filtered from the filter element 102, the drain pipe 201b is used to discharge sewage sucked by the suction pipe 201a, the water pump 201c is a water suction unit of the suction member 201, the sewage bin 201d is used to separate large-particle impurities and particulate matters, so as to facilitate the discharge of the impurities and particulate matters, and the limiting head 201e and the spring 103b-1 provide elastic force for switching when the reciprocating member 202 repeatedly moves.

[0042] The suction pipe 201a includes a suction head 201a-1, a sewage pipe 201a-2, and a connecting pipe 201a-3, the suction head 201a-1 is arranged on the side of the sewage pipe 201a-2, and the connecting pipe 201a-3 is connected with the sewage pipe 201a-2; the limiting head 201e includes a limiting column 201e-1 and a limiting disc 201e-2, the limiting disc 201e-2 is arranged on the side of the limiting column 201e-1, and the limiting column 201e-1 is connected with the connecting pipe 201a-3; the suction head 201a-1 is close to the filter hole 102b, so as to facilitate the suction of impurities on the filter screen, the sewage pipe 201a-2 discharges sludge and sewage sucked by the suction head 201a-1, the sewage pipe 201a-2 is matched with the first matching hole 103a-1, so that the suction pipe 201a can slide along the first matching hole 103a-1, and the connecting pipe 201a-3 connects the suction pipe 201a with the limiting head 201e, so that the suction pipe 201a can be matched and linked.

[0043] When in use, the pressure sensor (CJ18-20A) connected to the side of the sealing plate 103a detects the rise of the water pressure in the filter core 102, sends a signal to the PLC 300 (S7-300), and the PLC 300 controls the opening of the water pump 201c on the suction device 201. The water pump 201c sucks the impurities adhered to the filter core through the suction pipe 201a. The sewage sucked by the suction pipe 201a is separated from the large-particle impurities and particulate matters when passing through the sewage bin 201d, and is discharged through the sewage block 203. The sewage with the large-particle impurities and particulate matters removed is re-injected into the pool 400 by the drain pipe 201b and the water pump 201c for recycling. In this way, the filter core 102 is cleaned of the impurities and particulate matters by the cleaning assembly 200, without the need for frequent maintenance and cleaning by the staff, and the recycling efficiency of the circulating water is enhanced.

[0044] Embodiment 3

[0045] Reference Figures 1 to 8 For the third embodiment of the present application, based on the first two embodiments, the embodiment provides an implementation of a filtering device for an open cooling water system.

[0046] The filtering assembly 100 includes a housing 101, a filter core 102, and a connecting piece 103. The housing 101 is connected to the connecting piece 103, and the filter core 102 is matched with the connecting piece 103. The cleaning assembly 200 includes a suction device 201, a reciprocating device 202, and a sewage block 203. The suction device 201 is matched with the sewage block 203, and the reciprocating device 202 is matched with the sewage block 203. The housing 101 is a corrosion-resistant metal housing that can collect the water filtered by the filtering assembly 100 and re-inject the filtered water into the circulating water for recycling. The filter core 102 is used to filter out the impurities and particulate matters in the circulating water. The connecting piece 103 can connect the housing 101 and the filter core 102. The suction device 201 is used to suck out the impurities and particulate matters filtered out from the filtering assembly. The reciprocating device 202 is used to rotate the filter core 102 and reciprocally drive the suction device 201 to increase the cleaning surface of the filter core 102. The sewage block 203 is used to discharge the sludge sucked out by the suction device 201.

[0047] The reciprocating member 202 comprises a threaded rod 202a, a sliding block 202b, a limiting spring block 202c, a first bevel gear 202d and a second bevel gear 202e, the threaded rod 202a is matched with the sliding block 202b, the limiting spring block 202c is matched with the threaded rod 202a, the first bevel gear 202d and the second bevel gear 202e are matched with the threaded rod 202a, and the limiting spring block 202c; the threaded rod 202a comprises a threaded surface 202a-1, a limiting groove 202a-2, a reversing column 202a-3 and a matching tooth 202a-4, the threaded surface 202a-1, the limiting groove 202a-2 and the reversing column 202a-3 are arranged on the circumferential side surface of the threaded rod 202a, and the matching tooth 202a-4 is arranged on the side surface of the reversing column 202a-3; the threaded rod 202a is the main screw rod of the reciprocating member 202, and the forward rotation and the reverse rotation of the threaded rod 202a control the back-and-forth movement of the reciprocating member 202; the threaded rod 202a is matched with the third matching hole 103a-3, so that the threaded rod 202a can rotate and slide along the third matching hole 103a-3; the threaded rod 202a is connected with the filter element 102 and matched with the connecting piece 103, so that the threaded rod 202a can rotate to drive the filter element 102 to rotate and can be matched with the connecting piece 103 to slide; the sliding block 202b drives the dirt suction member 201 to move back and forth when the threaded rod 202a rotates; the limiting spring block 202c is a switching position fixing block when the reciprocating member 202 reciprocates, and is a round head sliding block with a spring; the first bevel gear 202d is installed on the first matching ring 101c-2 and is driven by the driven gear 101c-4 to rotate clockwise; the second bevel gear 202e is installed on the second matching ring 101c-3 and is driven by the driven gear 101c-4 to rotate counterclockwise; the threaded surface 202a-1 is matched with the sliding block 202b to drive the sliding block 202b to slide back and forth when the threaded rod 202a rotates; the limiting groove 202a-2 is matched with the limiting spring block 202c to control the position of the threaded rod 202a; when the limiting spring block 202c is clamped into the limiting groove 202a-2 on the outside, the first bevel gear 202d is clamped with the matching tooth 202a-4 to drive the threaded rod 202a to rotate clockwise; when the limiting spring block 202c is clamped into the limiting groove 202a-2 on the inside, the second bevel gear 202e is clamped with the matching tooth 202a-4 to drive the threaded rod 202a to rotate counterclockwise.

[0048] The sliding block 202b comprises a threaded hole 202b-1, a connecting block 202b-2, a pushing column 202b-3 and a connecting head 202b-4, the threaded hole 202b-1 is arranged on the side surface of the sliding block 202b, the connecting block 202b-2 is arranged on the side surface of the sliding block 202b, the pushing column 202b-3 is connected with the connecting block 202b-2, and the connecting head 202b-4 is arranged on the side surface of the pushing column 202b-3; the first helical gear 202d comprises a first reversing tooth 202d-1 arranged on the side surface of the first helical gear 202d; the second helical gear 202e comprises a second reversing tooth 202e-2 arranged on the side surface of the second helical gear 202e; the threaded hole 202b-1 is engaged with the threaded surface 202a-1, the connecting block 202b-2 is connected with the pushing column 202b-3 and cooperates with the cooperating barrel 103b to ensure that the sliding block 202b can only slide back and forth, the pushing column 202b-3 is connected with the connecting head 202b-4, the pushing column 202b-3 and the second cooperating hole 103a-2 cooperate to enable the sliding block 202b to slide along the second cooperating hole 103a-2, the connecting head 202b-4 is connected with the blowdown block 203 to drive the suction member 201 to reciprocate, and the first reversing tooth 202d-1 and the second reversing tooth 202e-2 drive the screw rod 202a to rotate when engaged with the cooperating tooth 202a-4.

[0049] The blowdown block 203 comprises a blowdown groove 203a, a cooperating pipe 203b and a connecting groove 203c, the blowdown groove 203a, the cooperating pipe 203b and the connecting groove 203c are arranged on the side surface of the blowdown block 203, and the connecting groove 203c is connected with the connecting head 202b-4; the blowdown groove 203a and the blowdown bin 201d cooperate to enable the water pump 201b to continuously pump water, and separate to discharge impurities and sludge in the blowdown bin 201d to clean, the cooperating pipe 203b and the suction pipe 201a cooperate to ensure that the blowdown block 203 cooperates with the blowdown bin 201d, and the connecting groove 203c is connected with the connecting head 202b-4 to enable the sliding block 202b to drive the connecting groove 203c to move back and forth.

[0050] When in use, the pressure sensor (CJ18-20A) connected to the side of the sealing plate 103a detects the rise of the water pressure in the filter element 102, sends a signal to the PLC 300 (S7-300), and the PLC 300 controls the opening of the water pump 201c on the suction device 201 and the motor 101c-1, the water pump 201c sucks the impurities adhered to the filter element through the suction pipe 201a, and the large-particle impurities and particles are separated by the filter screen arranged on the drain pipe 201b when the sewage sucked by the suction pipe 201a passes through the sewage bin 201d. At this time, the motor 101c-1 drives the driving gear 101c-4 to move, the driving gear 101c-4 drives the first bevel gear 202 to move, the first bevel gear 202d drives the threaded rod 202a to rotate clockwise, the threaded rod 202a drives the filter element 102 to rotate, the threaded rod 202a drives the sliding block 202b to slide to the left, the sliding block 202b pushes the sewage block 203 out of the sewage bin 201d, and the sewage block 203 prevents the condensed sludge in the drain pipe 201b from affecting the working efficiency of the water pump. After the sewage block 203 is pushed out, one end of the sewage block 203 is still limited by the sewage bin 201, so that a part of the sewage block 203 remains in the sewage bin 201d, then the sliding block 202b pushes the sewage block 203, and the sewage block 203 drives the suction device 201 to be pushed to the left end; the limiting disc 201e-2 presses the spring 103b-3, the elastic force of the spring drives the sliding block 202b to move to the right together with the threaded rod 202a by a small distance, the limiting spring block 202c is clamped into the inner limiting groove 202a-2, the second reversing tooth 202e-2 is clamped with the matching tooth 202a-4, the second bevel gear 202e drives the threaded rod 202a to rotate counterclockwise, the threaded rod 202a drives the sliding block 202b to slide to the right, the sliding block 202b pulls the sewage block 203 into the sewage collection box 103c, and the water pump 201c starts to continuously suck the impurities and particles together with the sewage through the suction head 201a-1; when the suction device 201 moves to the right end, the spring 103b-3 is switched to the first bevel gear 202d to drive the threaded rod 202a to rotate clockwise, the sliding block 202b pushes the sewage block 203 out to discharge the large-particle impurities and particles, and the sewage with the large-particle impurities and particles is re-injected into the pool 400 by the drain pipe 201b and the water pump 201c for recycling; the impurities and particles in the filter element 102 are cleaned by the cleaning assembly 200 through the above-mentioned circulation and reciprocating work, until the pressure of the pressure sensor decreases to the normal level, the filter realizes self-cleaning of the filter element 102, the staff does not need to frequently maintain and clean the filter, and the circulation efficiency of the circulating water is enhanced.

[0051] It is important to note that the construction and arrangement of the application 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 the present 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, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Thus, the foregoing description is by way of example only, and is not intended to be limiting. The application is limited only as defined in the following claims and equivalents thereto. The sequence of any process or method steps, or the order in which they are carried out, can be altered or re-ordered without departing from the scope of the application. Any "articles of manufacture" or "manufacturing" as described herein are intended to encompass structures constructed of a multitude of different physical elements or components. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and also cover structures yet to be invented which perform the recited function but operate in a different manner. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the application as expressed in the appended claims.

[0052] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (that is, not all implementations can include all of the features described or optional implementations can include only a subset of the features described).

[0053] It should be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0054] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A filter device for open cooling water systems, characterized in that: Including, The filter assembly (100) comprises a shell (101), a filter core (102) and a connecting piece (103), the shell (101) is connected with the connecting piece (103), and the filter core (102) is matched with the connecting piece (103); The cleaning assembly (200) comprises a suction piece (201), a reciprocating piece (202) and a sewage block (203), the suction piece (201) is matched with the sewage block (203), and the reciprocating piece (202) is matched with the sewage block (203); The shell (101) comprises a water collecting barrel (101a), a water outlet (101b) and a mounting plate (101c); The mounting plate (101c) comprises a motor (101c-1), a first matching ring (101c-2), a second matching ring (101c-3) and a driving gear (101c-4), the motor (101c-1) is arranged on the side surface of the mounting plate (101c), the first matching ring (101c-2) and the second matching ring (101c-3) are arranged on the side surface of the mounting plate (101c), and the driving gear (101c-4) is connected with the motor (101c-1); The connecting piece (103) comprises a sealing disc (103a), a matching barrel (103b) and a sewage collecting box (103c), and the matching barrel (103b) is arranged on the side surface of the sealing disc (103a); The matching barrel (103b) comprises a sliding barrel (103b-1), a matching lug (103b-2), a spring (103b-3) and a screw through hole (103b-4), the matching lug (103b-2) is arranged on the circumferential side surface of the sliding barrel (103b-1), the spring (103b-3) is arranged on the side surface of the matching lug (103b-2), and the screw through hole (103b-4) is arranged on the side surface of the sliding barrel (103b-1); The suction piece (201) comprises a suction pipe (201a), a drain pipe (201b), a water pump (201c), a sewage bin (201d) and a limiting head (201e), the suction pipe (201a) and the drain pipe (201b) are connected with the sewage bin (201d), the drain pipe (201b) is connected with the water pump (201c), and the limiting head (201e) is arranged on the side surface of the suction pipe (201a); The suction pipe (201a) comprises a suction head (201a-1), a sewage pipe (201a-2) and a connecting pipe (201a-3), the suction head (201a-1) is arranged on the side surface of the sewage pipe (201a-2), and the connecting pipe (201a-3) is connected with the sewage pipe (201a-2); The limiting head (201e) comprises a limiting column (201e-1) and a limiting disc (201e-2), the limiting disc (201e-2) is arranged on the side surface of the limiting column (201e-1), and the limiting column (201e-1) is connected with the connecting pipe (201a-3); The reciprocating member (202) comprises a threaded rod (202a), a sliding block (202b), a limiting spring block (202c), a first bevel gear (202d) and a second bevel gear (202e), the threaded rod (202a) is matched with the sliding block (202b), the limiting spring block (202c) is matched with the threaded rod (202a), the first bevel gear (202d) and the second bevel gear (202e) are matched with the threaded rod (202a), and the limiting spring block (202c) is matched with the connecting head (202b-4). The threaded rod (202a) comprises a threaded surface (202a-1), a limiting groove (202a-2), a reversing column (202a-3) and a matching tooth (202a-4), the threaded surface (202a-1), the limiting groove (202a-2) and the reversing column (202a-3) are arranged on the circumferential side of the threaded rod (202a), and the matching tooth (202a-4) is arranged on the side of the reversing column (202a-3). The sliding block (202b) comprises a threaded hole (202b-1), a connecting block (202b-2), a pushing column (202b-3) and a connecting head (202b-4), the threaded hole (202b-1) is arranged on the side of the sliding block (202b), the connecting block (202b-2) is arranged on the side of the sliding block (202b), the pushing column (202b-3) is connected with the connecting block (202b-2), and the connecting head (202b-4) is arranged on the side of the pushing column (202b-3). The first bevel gear (202d) comprises a first reversing tooth (202d-1), and the first reversing tooth (202d-1) is arranged on the side of the first bevel gear (202d). The second bevel gear (202e) comprises a second reversing tooth (202e-2), and the second reversing tooth (202e-2) is arranged on the side of the second bevel gear (202e). The pollution discharging block (203) comprises a pollution discharging groove (203a), a matching pipe (203b) and a connecting groove (203c), the pollution discharging groove (203a), the matching pipe (203b) and the connecting groove (203c) are arranged on the side of the pollution discharging block (203), and the connecting groove (203c) is connected with the connecting head (202b-4).

2. The filter device for open cooling water systems according to claim 1, characterized in that: The water outlet (101b) is arranged on the circumferential side of the water collecting barrel (101a), and the mounting plate (101c) is arranged on the side of the water collecting barrel (101a).

3. The filtering device for open cooling water systems according to claim 1 or 2, characterized in that: The filter element (102) comprises a filter cylinder (102a) and a filtering hole (102b), the filtering holes (102b) are arranged on the circumferential side of the filter cylinder (102a), and the filter cylinder (102a) is matched with the connecting piece (103).

4. The filter device for open cooling water systems according to claim 3, characterized in that: The pollution collecting box (103c) is arranged on the side of the sealing disc (103a). The sealing disc (103a) comprises a first matching hole (103a-1), a second matching hole (103a-2), a third matching hole (103a-3), a filter core matching ring (103a-4) and a water inlet (103a-5), the first matching hole (103a-1), the second matching hole (103a-2), the third matching hole (103a-3) and the water inlet (103a-5) are arranged on the side surface of the sealing disc (103a), and the filter core matching ring (103a-4) is arranged on the side surface of the sealing disc (103a).

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