Detection mechanism for detecting leakage of coiled pipe of superheater

Abstract

The utility model discloses a detection mechanism for detecting leakage of a serpentine pipe of a superheater, relates to the field of superheater pipe detection, solves the problem that an existing device is difficult to carry out leakage detection on the serpentine superheater pipe according to requirements, and adopts the following scheme that the detection mechanism comprises a liquid frame and the serpentine superheater pipe which is placed in the liquid frame and is used for carrying out subsequent leakage detection; a machine base is fixedly installed at the bottom of the liquid frame, a liquid inlet hole and a liquid discharging hole are formed in a bottom plate of the liquid frame, the bottom end of the liquid frame is fixedly connected with a liquid inlet pipe through the liquid inlet hole, and the outer end of the liquid inlet pipe is fixedly connected with a pump body; according to the detection mechanism for detecting the leakage of the serpentine pipe of the superheater, through the arrangement of each component in the liquid frame, the inflation component can be plugged at the end of the serpentine superheater pipe, the serpentine superheater pipe is placed on the lapping frame, then liquid flow is slowly filled into the inner cavity of the liquid frame through the pump body, and the leakage of the serpentine pipe can be detected even when bubbles appear through observation. Once bubbles appear, a leakage part exists, so that the leakage monitoring effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of superheater pipe detection, in particular to a detection mechanism for detecting leakage of a superheater serpentine pipe. Background Art

[0002] With the rapid development of industry, some enterprises require higher quality and temperature of steam for production. Saturated steam can no longer meet production needs. Therefore, superheated steam boilers with boiler superheaters came into being.

[0003] After searching, the application with patent number 202223128170.7 disclosed a serpentine tube steam superheater, including a superheater tube group, the top of the superheater tube group is connected to the superheated steam outlet header, the top of the superheated steam outlet header is installed with a superheated steam outlet pipe seat, the bottom of the superheater tube group is connected to the superheated steam inlet header, the superheater tube group is located on the inner side of the furnace wall of the boiler, an upper furnace barrel is provided above the interior of the furnace wall, and a lower furnace barrel is provided below the interior of the furnace wall. In this serpentine tube steam superheater, when the superheater tube group expands, contracts, and deforms axially due to temperature changes, it can adapt to changes in its length to ensure that it will not be damaged unnecessary by the limitations of the fixing mechanism. A cooling pipe with a water spray is used inside the superheated steam outlet header at the top. By adjusting the amount of water sprayed, the temperature of the superheated steam is reduced to meet the process temperature requirements.

[0004] Among them, in the existing superheater structure, in order to increase the contact area, a serpentine heating tube is used therein, but the serpentine heating tube needs to be welded and its welding points are prone to leakage, so it is necessary to detect the leakage of the welded serpentine tube.

[0005] Therefore, we propose a detection mechanism for detecting superheater coil leakage. Utility Model Content

[0006] In view of the deficiencies of the prior art, the present invention provides a detection mechanism for detecting leakage of a superheater serpentine tube, which solves the problem that the prior mechanism is difficult to perform leakage detection on the serpentine superheater tube as required.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a detection mechanism for detecting leakage of a superheater serpentine tube, comprising a liquid frame in which a serpentine superheater tube to be detected is placed;

[0008] The bottom of the liquid frame is fixedly mounted with a base, a liquid inlet hole and a liquid discharge hole are opened in the bottom plate of the liquid frame, the bottom end of the liquid frame is fixedly connected to a liquid inlet pipe through the liquid inlet hole, and the outer end of the liquid inlet pipe is fixedly connected to the pump body;

[0009] The outer wall of the liquid frame is fixedly connected with an inflation assembly for plugging the two ends of the serpentine superheating pipe.

[0010] As a preferred scheme of the utility model, a sealing plug is inserted into the liquid outlet hole of the bottom plate of the liquid frame;

[0011] The liquid outlet hole is arranged to facilitate the output of liquid flow from the inside of the liquid frame, and the sealing plug is arranged to ensure the sealing property of the liquid frame.

[0012] As a preferred scheme of the utility model, the bottom side of the base is fixedly installed with a mounting plate, the mounting plate is fixedly installed with a pump body, and the input end of the pump body is fixedly connected to the external water tank through a water pipe;

[0013] The pump body is arranged to facilitate the input of liquid flow into the inner cavity of the liquid frame, thereby facilitating the sealing property detection of the serpentine superheating pipe inside.

[0014] As a preferred scheme of the utility model, the inner side wall of the liquid frame is fixedly installed with two groups of spaced apart frame supports, and the top side of the two groups of frame supports is placed with a serpentine superheating pipe;

[0015] The frame supports are arranged to facilitate the suspension of the serpentine superheating pipe on the top side, thereby ensuring efficient plugging of the bottom side of the serpentine superheating pipe and avoiding the occurrence of sealing detection property.

[0016] As a preferred scheme of the utility model, the inner side of the liquid frame is filled with liquid flow by the pump body, and the top surface of the liquid flow is above the top of the serpentine superheating pipe.

[0017] As a preferred scheme of the utility model, the inflation assembly comprises a rubber rib and a gas bag at the outer end of the rubber rib, the outer end of the gas bag is fixedly connected with four groups of rubber air tubes arranged in a ring shape, and the outer end of each group of rubber air tubes is fixedly connected with a plug head plugged at the end of the serpentine superheating pipe.

[0018] The inflation assembly is arranged to facilitate the plugging of the plug head at the end of the serpentine superheating pipe and the detection of whether there is a leakage at the welding position of the serpentine superheating pipe by holding the gas bag.

[0019] The utility model provides a kind of detection mechanism for detecting that over-heater serpentine pipe leaks. With following beneficial effects:

[0020] The detection mechanism for detecting the leakage of the serpentine tube of the superheater, through the arrangement of the components in the liquid frame, can block the inflation component at the end of the serpentine superheating tube, place it on the rack, then slowly fill the liquid into the inner cavity of the liquid frame through the pump body, and observe when the bubbles appear, and once the bubbles appear, there is a leakage part, thereby achieving the effect of leakage monitoring, and solving the problem that the existing mechanism is difficult to detect the leakage of the serpentine superheating tube according to the needs. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the inside of the utility model;

[0023] Figure 3 It is a structural schematic view of the bottom side of the utility model;

[0024] Figure 4 It is a structural schematic view of the sealing assembly of the utility model.

[0025] In the figure: 1, liquid frame; 11, liquid inlet hole; 12, sealing plug; 13, rack; 14, liquid outlet hole; 15, liquid inlet pipe; 2, machine base; 3, serpentine superheating tube; 4, pump body; 5, inflation component; 51, rubber rib; 52, air bag; 53, rubber air pipe; 54, plug. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-4 The utility model embodiment provides a kind of technical scheme: a kind of detection mechanism for detecting the leakage of the serpentine tube of the superheater, including liquid frame 1, liquid frame 1 is placed with the serpentine superheating tube 3 to be detected;

[0028] Machine base 2 is fixedly installed at the bottom of liquid frame 1, liquid inlet hole 11 and liquid outlet hole 14 are arranged in the bottom plate of liquid frame 1, liquid inlet pipe 15 is fixedly connected with liquid inlet hole 11 at the bottom end of liquid frame 1, and the outer end of liquid inlet pipe 15 is fixedly connected with pump body 4;Air inflation component 5 for plugging the two ends of serpentine superheating tube 3 is fixedly connected on the outer wall of liquid frame 1;

[0029] The detection mechanism for detecting the leakage of the superheater serpentine pipe can block the inflation assembly 5 at the end of the serpentine superheater pipe 3 and place it on the bracket 13, then slowly fill the liquid flow into the inner cavity of the liquid frame 1 through the pump body 4, and observe when the bubbles appear, and once the bubbles appear, there is a leakage part, thereby achieving the effect of leakage monitoring, and solving the problem that the existing mechanism is difficult to detect the leakage of the serpentine superheater pipe 3 according to the needs.

[0030] Embodiment 2:

[0031] The bottom plate of the liquid frame 1 is provided with a sealing plug 12 located in the inside of the liquid discharge hole 14; wherein the liquid discharge hole 14 is provided to facilitate the output of the liquid flow inside the liquid frame 1, and the sealing plug 12 is provided to ensure the sealing of the liquid frame 1.

[0032] The bottom side of the base 2 is fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a pump body 4, and the input end of the pump body 4 is fixedly connected to an external water tank through a water pipe; wherein the pump body 4 is provided to facilitate the input of the liquid flow into the inner cavity of the liquid frame 1, thereby facilitating the sealing detection of the serpentine superheater pipe 3 inside.

[0033] The inside of the liquid frame 1 is fixedly provided with two groups of left and right spaced brackets 13, and the top side of the two groups of brackets 13 is placed with the serpentine superheater pipe 3; wherein the bracket 13 is provided to facilitate the suspension of the serpentine superheater pipe 3 on the top side, thereby ensuring efficient plugging of the bottom side of the serpentine superheater pipe 3, and avoiding the occurrence of the sealing detection effect.

[0034] The inside of the liquid frame 1 is filled with liquid flow through the pump body 4, and the top surface of the liquid flow is above the top of the serpentine superheater pipe 3, the inflation assembly 5 comprises a rubber rib 51 and a gas bag 52 at the outer end of the rubber rib 51, the outer end of the gas bag 52 is fixedly connected with four groups of rubber air pipes 53 arranged in a ring shape, and the outer end of each group of rubber air pipes 53 is fixedly connected with a plug 54 blocked at the end of the serpentine superheater pipe 3; wherein the inflation assembly 5 is provided to facilitate the blocking of the plug 54 at the end of the serpentine superheater pipe 3, and to detect whether there is a leakage part at the welding part of the serpentine superheater pipe 3 by holding the gas bag 52.

[0035] The working principle and use process of the utility model: when the mechanism needs to detect the leakage of the serpentine superheater pipe 3, the plug 54 of the inflation assembly 5 is sleeved at the end of the serpentine superheater pipe 3, then it is placed on the top side of the bracket 13, and finally the liquid flow is filled into the inner cavity of the liquid frame 1 through the pump body 4, so that it slowly overflows the serpentine superheater pipe 3, and the gas bag 52 is constantly held, and once the bubbles appear, the leakage of the serpentine superheater pipe 3 can be efficiently detected.

[0036] The basic principle and main features of the present application and the advantages of the present application are shown and described above, for those skilled in the art, obviously the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0037] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A detection mechanism for detecting leakage of a superheater coil, characterized by: Including liquid frame (1), the liquid frame (1) in which place has the serpentine overheat pipe (3) to be detected; The bottom of the liquid frame (1) is fixedly installed with a base (2), the bottom plate of the liquid frame (1) is provided with a liquid inlet hole (11) and a liquid outlet hole (14), the bottom end of the liquid frame (1) is fixedly connected with a liquid inlet pipe (15) through the liquid inlet hole (11), and the outer end of the liquid inlet pipe (15) is fixedly connected with a pump body (4); The outer wall of the liquid frame (1) is fixedly connected with an inflation assembly (5) for plugging the two ends of the serpentine overheat pipe (3).

2. A detection mechanism for detecting leakage of a superheater coil according to claim 1, characterized in that: The bottom plate of the liquid frame (1) is provided with a sealing plug (12) inside the liquid outlet hole (14).

3. A detection mechanism for detecting leakage in a superheater coil according to claim 1, wherein: The bottom side of the base (2) is fixedly installed with a mounting plate, the mounting plate is fixedly installed with the pump body (4), and the input end of the pump body (4) is fixedly connected with an external water tank through a water pipe.

4. The detection mechanism for detecting leakage of a superheater coil according to claim 1, wherein: The inner side wall of the liquid frame (1) is fixedly installed with two groups of spaced distribution of the frame (13), and the top side of the two groups of frame (13) is placed with the serpentine overheat pipe (3).

5. The detection mechanism for detecting leakage in a superheater coil according to claim 1, wherein: The inner side of the liquid frame (1) is filled with liquid flow through the pump body (4), and the top surface of the liquid flow is above the top of the serpentine overheat pipe (3).

6. The detection mechanism for detecting leakage in a superheater coil according to claim 1, wherein: The inflation assembly (5) comprises a rubber rib (51) and a gas bag (52) at the outer end of the rubber rib (51), the outer end of the gas bag (52) is fixedly connected with four groups of rubber air pipes (53) in annular distribution, and the outer end of each group of rubber air pipes (53) is fixedly connected with a plug (54) plugged in the end of the serpentine overheat pipe (3).

Images