Novel valve pressure leaking stoppage mold

Abstract

The utility model discloses a novel valve pressure leaking stoppage mould which comprises a first leaking stoppage mould body and a second leaking stoppage mould body which are welded and fixed together, the first leaking stoppage mould body and the second leaking stoppage mould body completely wrap the inner side of a valve body, and the first leaking stoppage mould body and the second leaking stoppage mould body are welded and fixed to a valve flange of the valve body. Two base lugs are fixed to the two sides of the first leaking stoppage mold and the two sides of the second leaking stoppage mold correspondingly, and bolt connecting pieces are arranged between the base lugs on the surfaces of the first leaking stoppage mold and the second leaking stoppage mold. A glue injection opening is formed in the surface of the first leaking stoppage mold, and a sealing screw is arranged on the glue injection opening; according to the utility model, the under-pressure leaking stoppage mold consisting of the leaking stoppage mold I and the leaking stoppage mold II is designed, so that the whole leakage valve can be wrapped, and then glue is injected into the mold through the glue injection port, so that under-pressure leaking stoppage of the leakage point of the steam main door of the hydrolyzer can be completed on the premise of not stopping a machine and not stopping a denitration environment-friendly system; and leakage points are eliminated.

Description

Technical Field

[0001] The utility model belongs to the technical field of power plant valves, and in particular relates to a novel valve pressure-blocking die. Background Art

[0002] The main steam valve of the steam system of the hydrolyzer of the urea system of a thermal power plant is directly related to the operation of the urea denitrification system. After the main steam valve leaks, since the existing main steam valve has no bypass and any leak-proof structure, and cannot be isolated for maintenance, if the leakage expands, it will cause environmental protection data to exceed the assessment standard at the least, and even cause the unit to shut down at the worst. Therefore, the utility model proposes a new valve pressure leak-proof mold. Utility Model Content

[0003] The purpose of the utility model is to provide a novel valve pressure plugging mold to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions: a new valve pressure plugging mold, comprising

[0005] A plugging mold 1 and a plugging mold 2 are welded together, wherein the plugging mold 1 and the plugging mold 2 completely wrap the valve body inside, and the plugging mold 1 and the plugging mold 2 are welded and fixed to the valve flange of the valve, and two base ears are fixed on both sides of the plugging mold 1 and the plugging mold 2, and a bolt connection is provided between the base ears on the surfaces of the plugging mold 1 and the plugging mold 2;

[0006] The surface of the leak-proof mold 1 is provided with a glue injection port, and a sealing screw is provided on the glue injection port.

[0007] Preferably, the bolt connector includes a bolt and a nut, and a circular through-hole corresponding to the bolt is provided on the base ear.

[0008] Preferably, the glue injection port is communicated with the inner side of the leak-proof mold 1, and the bottom end of the sealing screw is screwed into the inner side of the glue injection port to block the inner channel of the glue injection port.

[0009] Preferably, a top hanging seat is fixed on the surface of the leak-proof mold 1 above the glue injection port, and a protective cover is installed at the bottom of the top hanging seat, and the protective cover covers the glue injection port inside.

[0010] Preferably, a T-shaped hanging block is fixed to the top surface of the protective cover, and a T-shaped hanging groove corresponding to the T-shaped hanging block is opened at the bottom of the top hanging seat, the top end of the T-shaped hanging block slides into the T-shaped hanging groove, and one end of the T-shaped hanging groove is connected to the side of the top hanging seat.

[0011] Preferably, a pinch block is fixed on the outer surface of the protective cover, and the pinch block is arc-shaped.

[0012] Preferably, an inner groove is provided inside the T-shaped hanging block, and a spring and a telescopic bead are installed in the inner groove. A limiting groove corresponding to the telescopic bead is provided on the upper wall of the T-shaped hanging groove. The telescopic bead is installed in the inner groove through the spring, and the top end of the telescopic bead pops out into the limiting groove.

[0013] Preferably, the bottom end of the spring is fixed to the inner wall of the bottom end of the inner groove, and the top end of the spring is fixed to the telescopic card bead.

[0014] Compared with the prior art, the beneficial effect of the present invention is that the present invention can realize the overall wrapping of the leaking valve by designing a pressure plugging mold consisting of a plugging mold 1 and a plugging mold 2, and then inject glue into the mold through the glue injection port, thereby completing the pressure plugging of the leakage point of the hydrolyzer steam main gate without stopping the machine or the denitrification environmental protection system, and eliminating the leakage point. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 For this utility model Figure 1 A partial enlarged view of area A in the middle;

[0017] Figure 3 This is a cross-sectional view of the protective cover and top mount of the utility model;

[0018] Figure 4 For this utility model Figure 3 A partial enlarged view of the middle B area;

[0019] In the figure: 1. Leak-proofing mold 1; 11. Glue injection port; 12. Sealing screw; 2. Leak-proofing mold 2; 3. Valve flange; 4. Base ear; 5. Bolt connector; 6. Protective cover; 61. T-shaped hanging block; 62. Inner groove; 63. Spring; 64. Telescopic bead; 7. Top hanging seat; 71. T-shaped hanging groove; 72. Limiting groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example

[0022] See also Figures 1 to 4, is an embodiment of the present utility model, which provides a technical solution: a new valve pressure plugging mold, including

[0023] The leak-proof mold 1 and the leak-proof mold 2 are welded together, and the leak-proof mold 1 and the leak-proof mold 2 completely wrap the valve body inside. The leak-proof mold 1 and the leak-proof mold 2 are welded and fixed to the valve flange 3 of the valve. Two base ears 4 are welded and fixed on both sides of the leak-proof mold 1 and the leak-proof mold 2, and a bolt connection 5 is provided between the base ears 4 on the surface of the leak-proof mold 1 and the leak-proof mold 2;

[0024] A glue injection port 11 is provided on the surface of the plugging mold 1, and a sealing screw 12 is provided on the glue injection port 11. In actual use, the plugging mold 1 and the plugging mold 2 are first covered on the valve body of the valve, so as to completely wrap the valve body on the inside, and then the base ears 4 on the sides of the plugging mold 1 and the plugging mold 2 are fixed with bolt connectors 5 to achieve the fixation of the plugging mold 1 and the plugging mold 2, and then the joints between the plugging mold 1, the plugging mold 2 and the valve flange 3 are welded to achieve the overall wrapping of the leaking valve, and then glue is injected into the inside of the plugging mold 1 and the plugging mold 2 through the glue injection port 11 to achieve the plugging treatment of the leakage point of the steam valve.

[0025] The bolt connector 5 includes a bolt and a nut, and the base ears 4 are provided with circular through-holes corresponding to the bolts, so that the two base ears 4 can be fixed by the bolts and the nuts.

[0026] Among them, the glue injection port 11 is connected to the inner side of the plugging mold 1, and the bottom end of the sealing screw 12 is screwed into the inner side of the glue injection port 11 to block the inner channel of the glue injection port 11. The sealing screw 12 can be screwed up to open the internal channel of the glue injection port 11, and then glue can be injected into the plugging mold 1 through the glue injection port 11.

[0027] Among them, a top hanging seat 7 is welded and fixed on the surface of the leak-proof mold 1 above the glue injection port 11, and a protective cover 6 is installed at the bottom of the top hanging seat 7. The protective cover 6 covers the glue injection port 11 on the inside. After the mold installation and glue injection are completed, the protective cover 6 can be added to effectively wrap and protect the glue injection port 11 to prevent foreign objects from colliding with the glue injection port 11.

[0028] Among them, a T-shaped hanging block 61 is welded and fixed on the top surface of the protective cover 6, and a T-shaped hanging groove 71 corresponding to the T-shaped hanging block 61 is opened at the bottom of the top hanging seat 7. The top end of the T-shaped hanging block 61 slides into the T-shaped hanging groove 71, and one end of the T-shaped hanging groove 71 is connected to the side of the top hanging seat 7, so that the protective cover 6 can be slid horizontally to achieve disassembly and assembly.

[0029] Among them, a pinch block is welded and fixed on the outer surface of the protective cover 6, and the pinch block is arc-shaped, which makes it convenient for subsequent operators to pull the protective cover 6 sideways when disassembling the protective cover 6.

[0030] The locking cam 64 is then released to engage the locking cam 62, which in turn releases the spring 63 which is provided on the locking cam 64 to lock the locking cam 61 in place.

[0031] The bottom end of the spring 63 is fixed to the inner wall of the bottom end of the inner groove 62 , and the top end of the spring 63 is fixed to the telescopic card bead 64 .

[0032] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of valve pressure plugging mold, characterized by: include A leak-proof mold 1 (1) and a leak-proof mold 2 (2) are welded and fixed together, wherein the leak-proof mold 1 (1) and the leak-proof mold 2 (2) completely wrap the valve body inside, and the leak-proof mold 1 (1) and the leak-proof mold 2 (2) are welded and fixed to the valve flange (3) of the valve, two base ears (4) are fixed on both sides of the leak-proof mold 1 (1) and the leak-proof mold 2 (2), and a bolt connection piece (5) is provided between the base ears (4) on the surface of the leak-proof mold 1 (1) and the leak-proof mold 2 (2); The surface of the leak-proof mold (1) is provided with a glue injection port (11), and a sealing screw (12) is provided on the glue injection port (11).

2. A new type of valve pressure plugging mold according to claim 1, characterized in that: The bolt connector (5) comprises a bolt and a nut, and a circular through-hole corresponding to the bolt is provided on the base ear (4).

3. A new valve pressure plugging mold according to claim 1, characterized in that: The glue injection port (11) is communicated with the inner side of the leak-blocking mold (1), and the bottom end of the sealing screw (12) is screwed into the inner side of the glue injection port (11) to block the inner channel of the glue injection port (11).

4. A new valve pressure plugging mold according to claim 1, characterized in that: A top hanging seat (7) is fixed on the surface of the leak-proof mold (1) above the glue injection port (11), and a protective cover (6) is installed at the bottom of the top hanging seat (7), and the protective cover (6) covers the glue injection port (11) on the inside.

5. A new valve pressure plugging mold according to claim 4, characterized in that: A T-shaped hanging block (61) is fixed to the top surface of the protective cover (6), and a T-shaped hanging groove (71) corresponding to the T-shaped hanging block (61) is provided at the bottom of the top hanging seat (7), the top end of the T-shaped hanging block (61) slides into the T-shaped hanging groove (71), and one end of the T-shaped hanging groove (71) is communicated with the side surface of the top hanging seat (7).

6. A new valve pressure plugging mold according to claim 4, characterized in that: A pinching block is fixed on the outer surface of the protective cover (6), and the pinching block is arc-shaped.

7. A new valve pressure plugging mold according to claim 5, characterized in that: An inner groove (62) is provided inside the T-shaped hanging block (61), and a spring (63) and a telescopic card bead (64) are installed in the inner groove (62). A limit card groove (72) corresponding to the telescopic card bead (64) is provided on the upper wall of the T-shaped hanging groove (71). The telescopic card bead (64) is movably installed in the inner groove (62) through the spring (63), and the top end of the telescopic card bead (64) pops out into the limit card groove (72).

8. A new valve pressure plugging mold according to claim 7, characterized in that: The bottom end of the spring (63) is fixed to the inner wall of the bottom end of the inner groove (62), and the top end of the spring (63) is fixed to the telescopic card bead (64).

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