Condenser sealing detection device

Abstract

The utility model discloses a condenser sealing detection device, which belongs to the technical field of sealing detection devices, and comprises a sealing assembly used for sealing two ends of a condenser pipe, the sealing assembly comprises a first sealing plug and a second sealing plug, the outer side of the first sealing plug is fixedly provided with a connector, and the outer side of the second sealing plug is fixedly provided with a second sealing plug. The connecting rod is used for fixing the sealing assembly; the air pump and the barometer are arranged to be matched with the sealing assembly for use, the structure is simple, convenience and practicability are achieved, the air pressure condition in the condenser pipe can be visually observed, it can be judged that the sealing performance of the condenser pipe is good when the index of the barometer is stable and unchanged, the detection result is visual and reliable, and the detection accuracy is greatly improved; the first sealing plug and the second sealing plug can be tensioned conveniently, so that the sealing performance is improved, and condenser pipes with different lengths can be detected by adjusting the length of the connecting rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealed detection device technical field, specifically is a condenser sealed detection device. BACKGROUND

[0002] The condenser is a kind of heat exchanger for condensing steam turbine exhaust steam into water, also called water reclaimer.Condensers are mainly used in steam turbine power plants, and in addition to condensing steam turbine exhaust steam into water for reuse by boilers, they can also establish and maintain a vacuum at the steam turbine exhaust, where the exhaust steam comes into contact with the cooling tube bundle and transfers heat to the cooling water.The cooling water absorbs heat and its temperature rises, and the steam condenses into water due to the loss of heat.In this process, a high vacuum is formed in the condenser, which can condense steam at a lower pressure, improving the condensation efficiency of steam, and can also reduce the resistance of steam at the steam turbine exhaust, improving the output power of the steam turbine.In order to ensure the normal operation of the condenser, the pipeline of the condenser needs to be sealed and detected.

[0003] After searching, in the prior art, Chinese patent publication No.CN217155755U discloses a device that can simultaneously detect the leakage of multiple condenser pipes, which belongs to a condenser pipe leakage detection device, and solves the problem that existing leakage detection devices cannot detect which condenser pipe is leaking.It includes a bracket, a water tank is provided on the bracket, a plurality of seal pipe assemblies that can be detachably connected to the condenser pipes are provided on the water tank, the seal pipe assemblies include a liquid level pipe, a water supply pipe, a first sealing plug and a second sealing plug, the liquid level pipe is inserted into the water tank, the two ends of the water supply pipe are connected to the liquid level pipe and the first sealing plug respectively, the first sealing plug has a gas passage that penetrates the inside and communicates with the liquid level pipe, and the first sealing plug and the second sealing plug are respectively sealingly inserted into the two ends of the condenser pipe.The condenser pipe leakage detection device of the utility model can detect multiple condenser pipes at a time and detect the specific leaking pipe, without interference, and has higher efficiency.

[0004] However, the device still has the following defects:

[0005] The device detects the sealing of the condenser pipe by observing the change of the liquid level of the liquid level pipe, and if the liquid level rises, there is a leak between the condenser pipe and the condenser, and if the liquid level is stable, the sealing is good, but the first sealing plug and the second sealing plug of the device may be overworn or not installed in place, causing the connection with the two ends of the condenser pipe to be not sealed, which may cause the liquid level not to rise even if there is a leak in the condenser pipe, directly affecting the accuracy of the detection result, and the device does not solve this problem. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of condenser sealing detection device, by setting up air pump cooperation sealing assembly use, can increase the air pressure inside condenser pipe, cooperate with barometer use can directly observe the air pressure situation inside condenser pipe, barometer index is stable and unchangeable can judge that condenser pipe sealing property is good, detection result is intuitive and reliable, greatly improve the accuracy of detection, to solve the problem proposed in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of condenser sealing detection device, including the sealing assembly for the sealing of condenser pipe both ends, the sealing assembly includes first sealing plug and second sealing plug, the outside of the first sealing plug is fixedly installed with connector;

[0009] Still include the connecting rod for fixing sealing assembly, one end of the connecting rod is fixedly connected with first sealing plug, the other end of the connecting rod is screw-connected with second sealing plug, the connecting rod includes threaded rod and adjusting rod, one end of the threaded rod is screw-connected with one end of adjusting rod;

[0010] Still include the detection assembly for the sealing of condenser pipe is detected, the detection assembly includes air pump and barometer.

[0011] Preferably, the inside of the first sealing plug is provided with through hole, one end of the through hole is communicated with the inside of condenser pipe, the other end of the through hole is communicated with connector.

[0012] Preferably, the inside of the first sealing plug is provided with through hole, one end of the through hole is communicated with the inside of condenser pipe, the other end of the through hole is communicated with connector.

[0013] Preferably, the other end of the adjusting rod is screw-connected with the inside center of second sealing plug, the inside outer ring of second sealing plug is bonded with sealing rubber ring by glue.

[0014] Preferably, the outside of the second sealing plug is fixedly installed with connecting seat, the top and bottom of the connecting seat are installed with rotating handle.

[0015] Preferably, the surface of the threaded rod is screw-mounted with locating screw, one side of the locating screw is fixedly connected with adjusting rod, the surface of the locating screw is screw-mounted with abutting screw, the bottom of the abutting screw is abutted on the surface of threaded rod.

[0016] Preferably, the connector is fixedly connected with one end of connecting pipeline, the other end of the connecting pipeline is fixedly connected with the output end of air pump.

[0017] The connecting pipe is preferably provided with an air pressure gauge, and the air pressure gauge is provided with a sealing valve between the air pressure gauge and the air pump.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model discloses a sealing assembly for condenser pipe, which comprises a first sealing plug, a second sealing plug, a connecting rod, an air pump and an air pressure gauge. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a structural schematic diagram of the utility model;

[0021] Fig. 2 It is a structural schematic diagram of the sealing assembly;

[0022] Fig. 3 It is a structural schematic diagram of the first sealing plug;

[0023] Fig. 4 It is a structural schematic diagram of the second sealing plug; Fig. 2 It is an enlarged structural schematic diagram of A in the middle.

[0024] In the figure: 1, condenser pipe; 2, first sealing plug; 3, second sealing plug; 4, connecting head; 5, connecting rod; 501, threaded rod; 502, adjusting rod; 503, positioning screw; 504, pressing screw; 6, air pump; 7, air pressure gauge; 8, through hole; 9, sealing rubber ring; 10, connecting seat; 11, rotating handle; 12, connecting pipe; 13, sealing valve. DETAILED DESCRIPTION

[0025] 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 protection scope of the utility model.

[0026] Please refer to Figs. 1-4 The utility model provides a technical scheme that:

[0027] The utility model provides a kind of condenser sealing detection device, including the sealing assembly for the sealing of condenser pipe 1 both ends, sealing assembly includes first sealing plug 2 and second sealing plug 3, the inner side outer circle of first sealing plug 2 is bonded with sealing rubber ring 9 by glue, the inner side outer circle of second sealing plug 3 is bonded with sealing rubber ring 9 by glue.

[0028] By setting first sealing plug 2 and second sealing plug 3, the both ends of condenser pipe 1 can be sealed. Thus, the sealing condition of condenser pipe 1 can be detected, and the sealing effect of the both ends of condenser pipe 1 is further improved by setting sealing rubber ring 9.

[0029] Further comprising a connecting rod 5 for fixing the sealing assembly, one end of the connecting rod 5 is fixedly connected with the first sealing plug 2, the other end of the connecting rod 5 is threadedly connected with the second sealing plug 3, the connecting rod 5 comprises a threaded rod 501 and an adjusting rod 502, one end of the threaded rod 501 is threadedly connected with one end of the adjusting rod 502, the inner side middle of the first sealing plug 2 is fixedly connected with the other end of the threaded rod 501, the other end of the adjusting rod 502 is threadedly connected with the inner side center of the second sealing plug 3, a connecting seat 10 is fixedly installed on the outer side of the second sealing plug 3, a rotating handle 11 is installed on the top and the bottom of the connecting seat 10.

[0030] By setting the connecting rod 5, the first sealing plug 2 and the second sealing plug 3 can be fixed at the both ends of the condenser pipe 1, and the distance between the first sealing plug 2 and the second sealing plug 3 can be shortened by rotating the handle 11, so that the first sealing plug 2 and the second sealing plug 3 are tightly pressed against the both ends of the condenser pipe 1, the sealing effect is improved, and the first sealing plug 2 and the second sealing plug 3 are prevented from being pushed out by the increase of the internal air pressure of the condenser pipe 1 during the detection process, so that the detection process can be smoothly carried out, and the length of the connecting rod 5 can be adjusted by using the threaded rod 501 and the adjusting rod 502 in cooperation, so that the connecting rod 5 can be adapted to condenser pipes 1 of different lengths.

[0031] A positioning screw 503 is threadedly installed on the surface of the threaded rod 501, one side of the positioning screw 503 is fixedly connected with the adjusting rod 502, a tightly pressing screw 504 is threadedly installed on the surface of the positioning screw 503, the bottom of the tightly pressing screw 504 abuts against the surface of the threaded rod 501, a connecting head 4 is fixedly connected with one end of a connecting pipeline 12, the other end of the connecting pipeline 12 is fixedly connected with the output end of an air pump 6.

[0032] By setting the positioning screw 503 and the tightly pressing screw 504, the relative positions of the adjusting rod 502 and the threaded rod 501 can be fixed after the length of the connecting rod 5 is adjusted, so that the adjusting rod 502 and the threaded rod 501 are prevented from rotating relatively during the detection process, which causes the sealing assembly to loosen, so that the detection process can be smoothly carried out.

[0033] The detection assembly for detecting the sealing performance of the condenser pipe 1 comprises the air pump 6 and the air pressure gauge 7, the first sealing plug 2 is internally provided with a through hole 8, one end of the through hole 8 is communicated with the inside of the condenser pipe 1, the first sealing plug 2 is externally fixedly provided with the connecting head 4, the other end of the through hole 8 is communicated with the connecting head 4, the air pressure gauge 7 is installed on the connecting pipeline 12, the air pressure gauge 7 is provided with the sealing valve 13 between the air pump 6, and the sealing valve 13 is installed on the connecting pipeline 12.

[0034] By arranging the air pump 6, the condenser pipe 1 can be inflated and pressurized through the connecting pipeline 12, the connecting head 4 and the through hole 8, then the sealing valve 13 is controlled to seal, and the air pressure in the condenser pipe 1 can be clearly obtained by observing the index of the air pressure gauge 7, so that the sealing performance of the condenser can be detected.

[0035] In specific use, the device is moved to a specified position, the threaded rod 501 and the adjusting rod 502 are adjusted according to the length of the condenser pipe 1, the connecting rod 5 is adjusted to a proper length, the abutting screw 504 is tightened by using an external tool, the first sealing plug 2 and the connecting rod 5 are moved, the connecting rod 5 is inserted into the condenser pipe 1, the first sealing plug 2 is inserted into one end of the condenser pipe 1, the second sealing plug 3 is moved to the other end of the condenser pipe 1 and is aligned with the adjusting rod 502, then the rotating handle 11 is rotated, the rotating handle 11 drives the second sealing plug 3 to be threadedly connected with the adjusting rod 502 through the connecting seat 10, with the rotation of the second sealing plug 3, the distance between the first sealing plug 2 and the second sealing plug 3 is gradually shortened, the first sealing plug 2 and the second sealing plug 3 are tightly pulled at the two ends of the condenser pipe 1, the air pump 6 is opened, the sealing valve 13 is kept open, the output end of the air pump 6 inflates and pressurizes the condenser pipe 1 through the connecting pipeline 12, the connecting head 4 and the through hole 8, the sealing valve 13 is closed, then the air pump 6 is closed, the index of the air pressure gauge 7 remains unchanged, which proves that the sealing performance of the condenser pipe 1 is good, and the index of the air pressure gauge 7 decreases, which indicates that there is a leakage point in the sealing assembly or the condenser pipe 1, the sealing assembly is disassembled, the pipe opening of the condenser pipe 1 is cleaned, another first sealing plug 2 and second sealing plug 3 are replaced, and multiple detections are performed, so that whether the condenser pipe 1 has a leakage point can be determined.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A condenser sealing detection device, characterized in that: It comprises a sealing assembly for sealing both ends of a condenser pipe (1), the sealing assembly comprising a first sealing plug (2) and a second sealing plug (3), and a connector (4) is fixedly mounted on the outer side of the first sealing plug (2); It also includes a connecting rod (5) for fixing the sealing assembly, one end of the connecting rod (5) is fixedly connected to the first sealing plug (2), and the other end of the connecting rod (5) is threadedly connected to the second sealing plug (3), and the connecting rod (5) includes a threaded rod (501) and an adjusting rod (502), and one end of the threaded rod (501) is threadedly connected to one end of the adjusting rod (502); It also includes a detection component for detecting the sealing performance of the condenser tube (1), and the detection component includes an air pump (6) and an air pressure gauge (7).

2. A condenser seal detection device according to claim 1, characterized in that: A through hole (8) is provided inside the first sealing plug (2), one end of the through hole (8) is connected to the inside of the condenser tube (1), and the other end of the through hole (8) is connected to the connector (4).

3. The condenser seal detection device according to claim 2, characterized in that: The inner middle of the first sealing plug (2) is fixedly connected to the other end of the threaded rod (501), and the inner outer ring of the first sealing plug (2) is bonded with a sealing rubber ring (9) by glue.

4. The condenser seal detection device according to claim 1, characterized in that: The other end of the regulating rod (502) is connected to the inner center thread of the second sealing plug (3), and the inner outer ring of the second sealing plug (3) is bonded with a sealing rubber ring (9) by glue.

5. The condenser sealing detection device according to claim 4, characterized in that: A connecting seat (10) is fixedly mounted on the outer side of the second sealing plug (3), and rotating handles (11) are mounted on the top and bottom of the connecting seat (10).

6. The condenser seal detection device according to claim 1, characterized in that: A positioning screw (503) is threadedly mounted on the surface of the threaded rod (501), one side of the positioning screw (503) is fixedly connected to the adjustment rod (502), and a tightening screw (504) is threadedly mounted on the surface of the positioning screw, the bottom of the tightening screw (504) is in contact with the surface of the threaded rod (501).

7. The condenser sealing detection device according to claim 1, characterized in that: The connector (4) is fixedly connected to one end of the connecting pipe (12), and the other end of the connecting pipe (12) is fixedly connected to the output end of the air pump (6).

8. The condenser sealing detection device according to claim 7, characterized in that: A pressure gauge (7) is installed on the connecting pipe (12), a sealing valve (13) is provided between the pressure gauge (7) and the air pump (6), and the sealing valve (13) is installed on the connecting pipe (12).

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