A liquid seal water filtering device for a steam turbine condenser

Abstract

The present application relates to the field of steam turbine equipment, and particularly relates to a liquid seal water filtering device for a steam turbine condenser, which comprises a water filtering mechanism, the water filtering mechanism comprises a positioning water filtering assembly and a sealing assembly, the positioning water filtering assembly is located in the sealing assembly; a locking mechanism, the locking mechanism comprises a lock disc assembly and a lock jaw assembly, the lock jaw assembly is located on one side of the lock disc assembly, and the lock jaw assembly is located on one side of the sealing assembly; a liquid seal mechanism, the liquid seal mechanism comprises an outer pipe and an inner pipe, the inner pipe is located in the outer pipe, and the inner pipe is located above the water filtering assembly; the water filtering mechanism, the locking mechanism and the liquid seal mechanism cooperate with each other, so that the operator can fix the water filtering mechanism on the liquid seal mechanism, and the water filtering mechanism can adapt to the liquid seal mechanism with different lengths of the inner pipe.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steam turbine equipment, in particular to a liquid seal water filtering device for steam turbine condenser. BACKGROUND

[0002] The steam turbine condenser is a kind of heat exchanger for condensing steam turbine exhaust steam into water, and a large amount of condensate water is generated after the heat exchange of the condenser, which can be reused in the circulation of the steam turbine after simple filtration. Because of the large pressure difference between the two ends of the condenser, the condensate water generated by the condenser needs to pass through the liquid seal device to balance the pressure difference.

[0003] The existing liquid seal device and water filtering device are separated, one of the reasons is that there is no fixed position for the water filtering device in the liquid seal device, and the length of the inner tube of the liquid seal device has deviation, so the water filtering device cannot adapt to the length deviation of the inner tube.

[0004] In view of the above problems and the problems that the water filtering device cannot be fixed on the liquid seal device and cannot adapt to the length deviation of the inner tube of the liquid seal device in the existing liquid seal water filtering device for steam turbine condenser, the present application is proposed. SUMMARY

[0005] 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, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0006] In view of the above and / or existing problems in the liquid seal water filtering device for steam turbine condenser, the water filtering device cannot adapt to the length deviation of the inner tube of the liquid seal device, and the water filtering device cannot be fixed on the liquid seal device, the present application is proposed.

[0007] Therefore, the purpose of the present application is to provide a liquid seal water filtering device for steam turbine condenser, which can not only fix the water filtering mechanism on the liquid seal mechanism, but also adapt the water filtering mechanism to different length of the liquid seal mechanism.

[0008] To solve the above technical problems, the present application provides the following technical scheme: a liquid seal water filtering device for steam turbine condenser, comprising,

[0009] The water filtering mechanism comprises a positioning water filtering assembly and a sealing assembly, and the positioning water filtering assembly is located in the sealing assembly;

[0010] The locking mechanism comprises a lock disc assembly and a lock jaw assembly, the lock jaw assembly is located on one side of the lock disc assembly, and the lock jaw assembly is located on one side of the sealing assembly;

[0011] The liquid seal mechanism comprises an outer tube and an inner tube, the inner tube is located in the outer tube, and the inner tube is located above the water filtering assembly.

[0012] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the positioning water filtering assembly comprises a water filtering piece, a first spring and a positioning piece, the first spring is located below the water filtering piece, and the positioning piece is located inside the first spring; the water filtering piece comprises a water filtering tube, a limiting tube and a baffle, the limiting tube is located above the water filtering tube, and the baffle is located below the water filtering tube.

[0013] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the positioning piece comprises an extension column and a circular hole, and the circular hole is located in the lower section of the extension column.

[0014] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the sealing assembly comprises an outer sealing piece, an extension tube and a water filtering piece shell, the outer sealing piece is located below the extension tube, and the water filtering piece shell is located above the extension tube.

[0015] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the outer sealing piece comprises a sealing plate, a limiting ring and a lock jaw rail, the limiting ring is located below the sealing plate, and the lock jaw rail is located on one side of the limiting ring; the sealing plate comprises a clamping hole, a first limiting tube hole and a rubber ring, the first limiting tube hole is located on one side of the clamping hole, and the rubber ring is located outside the clamping hole.

[0016] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the water filtering piece shell comprises a second limiting tube hole and a water filtering tube hole, and the water filtering tube hole is located above the second limiting tube hole.

[0017] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the lock disc assembly comprises a rotating piece and a limiting piece, and the limiting piece is located in the rotating piece; the rotating piece comprises a rotating shell, a rotating jaw, a handle, a square column and a second spring, the rotating jaw is located on one side of the rotating shell, the handle is located below the rotating shell, the square column is located above the rotating shell, and the second spring is located outside the square column; the rotating jaw comprises a connecting column and a sliding column, and the sliding column is located on one side of the connecting column.

[0018] As a preferred scheme of the liquid seal water filtering device for the steam turbine condenser, the limiting piece comprises a limiting plate, a clamping block and a square column hole, the clamping block is located above the limiting plate, and the square column hole is located in the limiting plate.

[0019] As a preferred scheme of the water filtering device for the liquid seal of the steam turbine condenser, the locking claw assembly comprises a sliding seat, a connecting block, a claw block and a safety block, the connecting block is located on one side of the sliding seat, the claw block is located on one side of the connecting block, and the safety block is located on one side of the sliding seat.

[0020] As a preferred scheme of the water filtering device for the liquid seal of the steam turbine condenser, the outer pipe comprises a water inlet, a water outlet, a water storage pipe and a water outlet pipe, the water inlet is located on the water storage pipe, the water outlet is located on one side of the water inlet, and the water outlet pipe is located on one side of the water storage pipe.

[0021] The water filtering device for the liquid seal of the steam turbine condenser has the advantages that the water filtering mechanism, the locking mechanism and the liquid seal mechanism cooperate with each other, so that the operator can fix the water filtering mechanism on the liquid seal mechanism, and the water filtering mechanism can adapt to the liquid seal mechanism with different lengths of the inner pipe. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. 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 creative labor. Among them:

[0023] Figure 1 It is a structural schematic view of the water filtering device for the liquid seal of the steam turbine condenser.

[0024] Figure 2 It is a sectional view of the water filtering device for the liquid seal of the steam turbine condenser.

[0025] Figure 3 It is an enlarged view of the partial sectional view of the water filtering device for the liquid seal of the steam turbine condenser.

[0026] Figure 4 It is a structural schematic view of the positioning water filtering assembly.

[0027] Figure 5 It is a sectional view of the positioning water filtering assembly.

[0028] Figure 6 It is a structural schematic view of the closing assembly.

[0029] Figure 7 It is a sectional view of the closing assembly.

[0030] Figure 8 It is a structural schematic view of the rotating part.

[0031] Figure 9 Fig. 1 is a structural schematic view of a limiting member;

[0032] Figure 10 Fig. 2 is a first structural schematic view of a locking claw assembly;

[0033] Figure 11 Fig. 3 is a second structural schematic view of the locking claw assembly. DETAILED DESCRIPTION

[0034] In order to make the above objectives, features and advantages of the present application more obvious and comprehensible, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0035] In the following description, a lot of specific details are set forth in order to facilitate a full 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 spirit of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0036] Secondly, 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 independent or alternative embodiment mutually exclusive with other embodiments.

[0037] Embodiment 1

[0038] Reference Figures 1-7 For the first embodiment of the present application, the embodiment provides a liquid seal water filtering device for a steam turbine condenser, specifically comprising,

[0039] The water filtering mechanism 100 comprises a positioning water filtering assembly 101 and a sealing assembly 102, and the positioning water filtering assembly 101 is located in the sealing assembly 102.

[0040] The locking mechanism 200 comprises a locking disc assembly 201 and a locking claw assembly 202, and the locking claw assembly 202 is located on one side of the locking disc assembly 201 and on one side of the sealing assembly 102.

[0041] The liquid sealing mechanism 300 comprises an outer pipe 301 and an inner pipe 302, and the inner pipe 302 is located in the outer pipe 301 and above the water filtering assembly 101.

[0042] Further, the positioning and filtering assembly 101 comprises a filtering member 101a, a first spring 101b and a positioning member 101c, the first spring 101b is located below the filtering member 101a, and the positioning member 101c is located inside the first spring 101b; the filtering member 101a comprises a filtering pipe 101a-1, a limiting pipe 101a-2 and a baffle 101a-3, the limiting pipe 101a-2 is located above the filtering pipe 101a-1, and the baffle 101a-3 is located below the filtering pipe 101a-1; the positioning member 101c comprises an extension column 101c-1 and a circular hole 101c-2, and the circular hole 101c-2 is located at the lower section of the extension column 101c-1.

[0043] It should be noted that the filtering pipe 101a-1 is made of rust-proof material, and the surface of the filtering pipe 101a-1 is full of small holes for filtering water; the inner diameter of the limiting pipe 101a-2 is larger than that of the filtering pipe 101a-1, and the inner diameter of the limiting pipe 101a-2 is the same as the outer diameter of the inner pipe 302; the diameter of the baffle 101a-3 is much larger than the outer diameter of the filtering pipe 101a-1; the extension column 101c-1 is a cylinder, and the diameter of the extension column 101c-1 is smaller than that of the filtering pipe 101a-1.

[0044] Preferably, the closing assembly 102 comprises an outer closing member 102a, an extension pipe 102b and a filtering member shell 102c, the outer closing member 102a is located below the extension pipe 102b, and the filtering member shell 102c is located above the extension pipe 102b; the outer closing member 102a comprises a closing plate 102a-1, a limiting ring 102a-2 and a locking jaw rail 102a-3, the limiting ring 102a-2 is located below the closing plate 102a-1, and the locking jaw rail 102a-3 is located at one side of the limiting ring 102a-2; the closing plate 102a-1 comprises a clamping hole 102a-1a, a first limiting pipe hole 102a-1b and a rubber ring 102a-1c, the first limiting pipe hole 102a-1b is located at one side of the clamping hole 102a-1a, and the rubber ring 102a-1c is located outside the clamping hole 102a-1a.

[0045] It should be noted that the diameter of the closing plate 102a-1 is larger than the outer diameter of the filtering member shell 102c; the diameter of the limiting ring 102a-2 is smaller than the diameter of the closing plate 102a-1; the locking jaw rail 102a-3 has two, and the locking jaw rail 102a-3 is a cuboid; the clamping hole 102a-1a has two, and the two clamping holes 102a-1a are located at two sides of the first limiting pipe hole 102a-1b; the clamping hole 102a-1a is a rectangular hole; the diameter of the first limiting pipe hole 102a-1b is the same as that of the extension column 101c-1; and the rubber ring 102a-1c is located above the closing plate 102a-1.

[0046] Embodiment 2

[0047] Reference Figures 1-7 For the second embodiment of the present application, the embodiment is based on the previous embodiment.

[0048] Specifically, the water filtering element shell 102c comprises a second limiting pipe hole 102c-1 and a water filtering pipe hole 102c-2, and the water filtering pipe hole 102c-2 is located above the second limiting pipe hole 102c-1.

[0049] It should be noted that the diameter of the second limiting pipe hole 102c-1 is the same as the diameter of the extension column 101c-1, and the diameter of the water filtering pipe hole 102c-2 is the same as the outer diameter of the water filtering pipe 101a-1.

[0050] Further, the lock disc assembly 201 comprises a rotating part 201a and a limiting part 201b, and the limiting part 201b is located in the rotating part 201a; the rotating part 201a comprises a rotating shell 201a-1, a rotating claw 201a-2, a handle 201a-3, a square column 201a-4 and a second spring 201a-5, the rotating claw 201a-2 is located on one side of the rotating shell 201a-1, the handle 201a-3 is located below the rotating shell 201a-1, the square column 201a-4 is located above the rotating shell 201a-1, and the second spring 201a-5 is located outside the square column 201a-4.

[0051] It should be noted that the rotating claw 201a-2 has two, and the two rotating claws 201a-2 are located on both sides of the rotating shell 201a-1; the square column 201a-4 is located in the rotating shell 201a-1; the second spring 201a-5 is in sliding connection with the square column 201a-4, and one end of the second spring 201a-5 is fixed in the rotating shell 201a-1.

[0052] Preferably, the rotating claw 201a-2 comprises a connecting column 201a-2a and a sliding column 201a-2b, and the sliding column 201a-2b is located on one side of the connecting column 201a-2a; the limiting part 201b comprises a limiting plate 201b-1, a clamping block 201b-2 and a square column hole 201b-3, and the clamping block 201b-2 is located above the limiting plate 201b-1, and the square column hole 201b-3 is located in the limiting plate 201b-1.

[0053] It should be noted that the sliding column 201a-2b is a cylinder, and the diameter of the sliding column 201a-2b is the same as the width of the connecting column 201a-2a; one end of the limiting plate 201b-1 is fixed with the second spring 201a-5; the length and width of the clamping block 201b-2 are the same as those of the clamping hole 102a-1a; and the length and width of the square column hole 201b-3 are the same as those of the square column 201a-4.

[0054] Embodiment 3

[0055] Reference Figures 1-11 This embodiment is based on the previous two embodiments.

[0056] Specifically, the locking jaw assembly 202 comprises a sliding seat 202a, a connecting block 202b, a jaw block 202c and a safety block 202d. The connecting block 202b is located on one side of the sliding seat 202a, the jaw block 202c is located on one side of the connecting block 202b, and the safety block 202d is located on one side of the sliding seat 202a.

[0057] It should be noted that the sliding seat 202a, the connecting block 202b and the jaw block 202c are integrated; the safety block 202d is in sliding connection with the sliding seat 202a, and the friction between the safety block 202d and the sliding seat 202a is relatively large.

[0058] Further, the sliding seat 202a comprises a locking jaw track hole 202a-1, a rotating jaw groove 202a-2 and a locking groove 202a-3. The rotating jaw groove 202a-2 is located below the locking jaw track hole 202a-1, and the locking groove 202a-3 is located on one side of the rotating jaw groove 202a-2.

[0059] It should be noted that the locking jaw track hole 202a-1 is a through hole, and the locking jaw track hole 202a-1 is in sliding connection with the locking jaw track 102a-3; the rotating jaw groove 202a-2 is in sliding connection with the sliding column 201a-2b; the locking groove 202a-3 is in sliding connection with the safety block 202d, and the friction between the locking groove 202a-3 and the safety block 202d is relatively large.

[0060] Preferably, the outer pipe 301 comprises a water inlet 301a, a water outlet 301b, a water storage pipe 301c and a water outlet pipe 301d. The water inlet 301a is located on the water storage pipe 301c, the water outlet 301b is located on one side of the water inlet 301a, and the water outlet pipe 301d is located on one side of the water storage pipe 301c.

[0061] It should be noted that the outer pipe 301 is fixed on the water inlet 301a, and the water outlet pipe 301d is fixed on the water outlet 301b; the water storage pipe 301c is a columnar pipe, and the water storage pipe 301c is in sliding connection with the sealing assembly 102.

[0062] In the present embodiment, when the operator needs to open the liquid seal water filtering device for the steam turbine condenser to clean the inside of the water filtering element 101a, the safety block 202d needs to be taken out first, and then the handle 201a-3 is held and rotated counterclockwise. The counterclockwise rotating handle 201a-3 drives the rotating element 201a to rotate counterclockwise as a whole, and then the slide post 201a-2b slides with the pawl groove 202a-2, driving the lock jaw assembly 202 to slide outward along the lock jaw rail 102a-3. After the slide post 201a-2b slides to the side of the pawl groove 202a-2 away from the locking groove 202a-3, the lock jaw assembly 202 also slides to the outermost side along the lock jaw rail 102a-3 at the same time. At this time, the sealing plate 102a-1 is no longer limited by the lock jaw assembly 202, and can be taken out downward. The limiting element 201b also drives the clamping block 201b-2 to turn to the position directly below the clamping hole 102a-1a under the driving of the square post 201a-4. When the liquid seal water filtering device for the steam turbine condenser is taken out, the top of the water filtering pipe 101a-1 no longer contacts the bottom of the inner pipe 302. At this time, the water filtering assembly 101 as a whole rises under the elastic force of the first spring 101b, so that the baffle 101a-3 contacts the inner wall of the water filtering element shell 102c, and the positioning element 101c also rises together with the water filtering assembly 101. At this time, the bottom of the positioning element 101c no longer contacts the limiting plate 201b-1, and the limiting plate 201b-1 rises under the elastic force of the second spring 201a-5, so that the clamping block 201b-2 is inserted into the clamping hole 102a-1a.

[0063] It should be noted that when the operator needs to install the liquid seal water filtering device for the steam turbine condenser, the handle 201a-3 is held to insert the water filtering element shell 102c into the inner wall of the water storage pipe 301c. At this time, the top of the water filtering pipe 101a-1 will extrude the bottom of the inner pipe 302, so that the water filtering assembly 101 as a whole moves downward, extruding the first spring 101b. The extending post 101c-1 extrudes the limiting plate 201b-1 downward, and the second spring 201a-5 is compressed. Only when the water filtering assembly 101 extrudes the first spring 101b and is inserted tightly enough, the limiting plate 201b-1 can be extruded and moved downward to a sufficient distance by the extending post 101c-1. When the limiting plate 201b-1 moves downward to a sufficient distance, the clamping block 201b-2 can completely extend out of the clamping hole 102a-1a. At this time, the operator can rotate the handle 201a-3 clockwise, so that the slide post 201a-2b slides with the pawl groove 202a-2, driving the lock jaw assembly 202 to slide inward along the lock jaw rail 102a-3. After the slide post 201a-2b slides to the side of the pawl groove 202a-2 close to the locking groove 202a-3, the lock jaw assembly 202 also slides to the innermost side along the lock jaw rail 102a-3 at the same time. At this time, the sealing plate 102a-1 is limited by the lock jaw assembly 202. After that, the operator can press the safety block 202d to complete the locking of the liquid seal water filtering device for the steam turbine condenser.

[0064] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only and not restrictive in character, as many changes can be made in the details, e.g., the order in which operations are performed, the relative sizing of the elements, the shapes of the elements, the materials used, colors, orientations, positioning, and the like within the scope of the application concept as defined by the appended claims and equivalent thereto. For example, the 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. Accordingly, all such changes are intended to be included within the scope of the present application as defined in the claims. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the scope of the application. Any "service" of the claims is intended to cover any apparatus for performing claims, and not only structural equivalents but also equivalent structures. It is therefore intended that the application be interpreted to include all equivalents falling within the scope of the claims, and that the application be interpreted not to be limited to the above description of the preferred embodiments, but to include all modifications and alterations in the scope of the claims. Other changes can be made to the exemplary embodiments in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the application as expressed in the claims.

[0065] Also, for example, in the exemplary embodiments, the steps of various methods may

[0066] It is to be understood that the development process can involve various steps that need not be performed in the exact order disclosed, and that she development process can also involve "notational" steps that are not disclosed, but can nevertheless nevertheless be useful in promoting an understanding of the exemplary embodiments. In addition, to the extent there are methods disclosed herein, any sequential or relational description of such methods should be understood, not to require in practice any particular sequence or description, unless otherwise disclosed herein.

[0067] 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, persons of ordinary skill 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 they should be covered in the scope of claims of the present application.

Claims

1. A liquid seal water filter device for a steam turbine condenser, characterized by: include, A water filtering mechanism (100), the water filtering mechanism (100) comprising a positioned water filtering component (101) and a closed component (102), the positioned water filtering component (101) being located in the closed component (102); A locking mechanism (200), the locking mechanism (200) comprising a locking disk assembly (201) and a locking claw assembly (202), the locking claw assembly (202) being located on one side of the locking disk assembly (201), and the locking claw assembly (202) being located on one side of the closing assembly (102); A liquid sealing mechanism (300) comprises an outer tube (301) and an inner tube (302), wherein the inner tube (302) is located in the outer tube (301), and the inner tube (302) is located above the positioning water filter assembly (101).

2. The liquid seal water filter device for a steam turbine condenser according to claim 1, characterized in that: The positioning water filter assembly (101) comprises a water filter element (101a), a first spring (101b) and a positioning element (101c), wherein the first spring (101b) is located below the water filter element (101a), and the positioning element (101c) is located inside the first spring (101b); The water filter element (101a) comprises a water filter pipe (101a-1), a position limiting pipe (101a-2) and a baffle (101a-3); the position limiting pipe (101a-2) is located above the water filter pipe (101a-1), and the baffle (101a-3) is located below the water filter pipe (101a-1).

3. The liquid seal water filter device for a steam turbine condenser according to claim 2, characterized in that: The positioning member (101c) comprises an extension column (101c-1) and a circular hole (101c-2), wherein the circular hole (101c-2) is located at the lower section of the extension column (101c-1).

4. The liquid seal water filter device for a steam turbine condenser according to claim 3, characterized in that: The sealing component (102) comprises an outer sealing member (102a), an extension tube (102b) and a water filter housing (102c), wherein the outer sealing member (102a) is located below the extension tube (102b), and the water filter housing (102c) is located above the extension tube (102b).

5. The liquid seal water filter device for a steam turbine condenser according to claim 4, characterized in that: The outer sealing member (102a) comprises a sealing plate (102a-1), a limiting ring (102a-2) and a locking claw rail (102a-3); the limiting ring (102a-2) is located below the sealing plate (102a-1), and the locking claw rail (102a-3) is located on one side of the limiting ring (102a-2); The sealing plate (102a-1) comprises a clamping hole (102a-1a), a first position-limiting tube hole (102a-1b) and a rubber ring (102a-1c); the first position-limiting tube hole (102a-1b) is located on one side of the clamping hole (102a-1a); and the rubber ring (102a-1c) is located outside the clamping hole (102a-1a).

6. The liquid seal water filter device for a steam turbine condenser according to claim 5, characterized in that: The water filter housing (102c) comprises a second position-limiting pipe hole (102c-1) and a water filter pipe hole (102c-2), wherein the water filter pipe hole (102c-2) is located above the second position-limiting pipe hole (102c-1).

7. The liquid seal water filter device for a steam turbine condenser according to claim 6, characterized in that: The lock disk assembly (201) comprises a rotating member and a limiting member, wherein the limiting member is located in the rotating member; The rotating member comprises a rotating shell (201a-1), a rotating claw (201a-2), a handle (201a-3), a square column (201a-4) and a second spring (201a-5); the rotating claw (201a-2) is located on one side of the rotating shell (201a-1); the handle (201a-3) is located below the rotating shell (201a-1); the square column (201a-4) is located above the rotating shell (201a-1); and the second spring (201a-5) is located outside the square column (201a-4); The rotating claw (201a-2) comprises a connecting column (201a-2a) and a sliding column (201a-2b), and the sliding column (201a-2b) is located on one side of the connecting column (201a-2a).

8. The liquid seal water filter device for a steam turbine condenser according to claim 7, characterized in that: The limiting component comprises a limiting plate (201b-1), a clamping block (201b-2) and a square column hole (201b-3); the clamping block (201b-2) is located above the limiting plate (201b-1); and the square column hole (201b-3) is located in the limiting plate (201b-1).

9. The liquid seal water filter device for a steam turbine condenser according to claim 8, characterized in that: The locking claw assembly (202) comprises a slide (202a), a connecting block (202b), a claw block (202c) and a safety block (202d), wherein the connecting block (202b) is located on one side of the slide (202a), the claw block (202c) is located on one side of the connecting block (202b), and the safety block (202d) is located on one side of the slide (202a); The sliding seat (202a) comprises a locking claw rail hole (202a-1), a rotating claw slot (202a-2) and a locking slot (202a-3); the rotating claw slot (202a-2) is located below the locking claw rail hole (202a-1); and the locking slot (202a-3) is located on one side of the rotating claw slot (202a-2).

10. The liquid seal water filter device for a steam turbine condenser according to claim 9, characterized in that: The outer tube (301) comprises a water inlet (301a), a water outlet (301b), a water storage pipe (301c), and a water outlet pipe (301d); the water inlet (301a) is located on the water storage pipe (301c); the water outlet (301b) is located on one side of the water inlet (301a); and the water outlet pipe (301d) is located on one side of the water storage pipe (301c).

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