CN216955052U

CN216955052U - Boiler leakage detection device

Info

Publication number: CN216955052U
Application number: CN202220848414.XU
Authority: CN
Inventors: 刘岗
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-12
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a boiler leakage detection device, which comprises an air inlet pipe, an air outlet pipe and a condensation tank, wherein the inner end of the air inlet pipe and the inner end of the air outlet pipe are inserted into a chimney of a boiler; the condensation tank is arranged outside the chimney and comprises a tank body and a coil pipe coiled in the tank body; whether the boiler leaks can be detected by measuring the water quantity of the condensed water discharged from the water outlet pipe at the bottom of the condensing tank at the same time interval, so that the water discharged into a chimney after the boiler leaks can be detected in time, and the severity of the leakage can be obtained by the water quantity of the condensed water; and the boiler is timely arranged to be overhauled according to the leakage condition, so that safety accidents are avoided.

Description

Boiler leakage detection device

Technical Field

The utility model relates to the technical field of boiler safety monitoring devices, in particular to a boiler leakage detection device.

Background

During the operation of the boiler, pressure exists in the boiler, and water vapor is generally generated after the boiler leaks and is sprayed out to be found.

However, when leakage occurs inside the boiler, the leaked water or steam may leak into the combustion chamber and be discharged from the stack without being ejected to the outside of the boiler. Such leaks are therefore concealed and not easily detectable. If these concealed leaks are discovered and disposed of in a short time, a security incident can easily result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a boiler leakage detection device, so that water discharged into a chimney after a boiler leaks is detected in time, the boiler is convenient to overhaul in time, and safety accidents are avoided.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a boiler leakage detection device comprises an air inlet pipe, an air outlet pipe and a condensation tank, wherein the inner end of the air inlet pipe and the inner end of the air outlet pipe are inserted into a chimney of a boiler, the inner end of the air inlet pipe faces the incoming direction of smoke in the chimney, and the inner end of the air outlet pipe faces the outgoing direction of the smoke in the chimney; the condensation tank is arranged outside the chimney and comprises a tank body and a coil pipe coiled in the tank body, the outer end of the air inlet pipe is communicated with the lower portion of the tank body, the outer end of the exhaust pipe is communicated with the upper portion of the tank body, a water outlet pipe is arranged at the bottom of the tank body, a second electromagnetic valve is arranged on the water outlet pipe, and a refrigerant is communicated with the coil pipe.

Furthermore, the outer end of the air inlet pipe is fixedly connected with a cyclone separator and a filter in sequence, the inlet of the cyclone separator is connected with the outer end of the air inlet pipe, and the outlet of the filter is communicated with the lower part of the tank body.

Furthermore, a jet accelerator is arranged at the outer end of the exhaust pipe, the jet accelerator comprises an external shell, a nozzle arranged in the shell and an air inlet short pipe fixedly connected with the shell in a penetrating manner, and the inner end of the air inlet short pipe is communicated with the nozzle; one side of casing is the air-out nozzle stub, the opposite side of casing is the air inlet nozzle stub, the spout of nozzle is towards the air-out nozzle stub, the outer end fixed connection of air-out nozzle stub and blast pipe, the air inlet admits air the outer end of nozzle stub and the upper portion intercommunication of the jar body, fixedly connected with air-supply line on the air inlet nozzle stub, air-supply line and compressed air pipeline intercommunication.

Furthermore, the air inlet pipe and the exhaust pipe are fixedly connected with the chimney.

Furthermore, the chimney is provided with a window, a flange plate is fixedly arranged on the window, the air inlet pipe and the exhaust pipe are vertically connected with the flange plate in a penetrating and sliding mode, the inner end of the air inlet pipe and the inner end of the exhaust pipe are L-shaped, a first accommodating cavity used for accommodating the inner end of the air inlet pipe is arranged in the position, corresponding to the air inlet pipe, of the flange plate, and a second accommodating cavity used for accommodating the inner end of the exhaust pipe is arranged in the position, corresponding to the exhaust pipe, of the flange plate.

Furthermore, a connecting frame is arranged between the air inlet pipe and the exhaust pipe, the middle of the air inlet pipe and the middle of the exhaust pipe are respectively fixedly connected with one end corresponding to the connecting frame, and an electric push rod used for driving the connecting frame to move along the radial direction of the chimney is fixedly arranged on the outer side of the flange plate.

Furthermore, the air inlet pipe is wound with an electric heating wire.

Furthermore, heating wires are wound outside the cyclone separator and the filter.

The utility model has the positive effects that:

1. the utility model is provided with an air inlet pipe, an exhaust pipe and a vertical condensing tank, and can detect whether the boiler leaks or not by measuring the water quantity of condensed water discharged from a water outlet pipe at the bottom of the condensing tank at the same time interval, so that the water discharged into a chimney after the boiler leaks can be detected in time, and the severity of the leakage can be obtained by the water quantity of the condensed water. And the boiler is timely arranged to be overhauled according to the leakage condition, so that safety accidents are avoided.

2. The utility model is provided with the cyclone separator and the filter, and can filter particulate matters in the flue gas, thereby preventing the flue gas from aggregating and blocking in the condensing tank to influence the condensing effect, and simultaneously ensuring that the amount of condensed water in the condensing tank is more accurate.

3. The utility model is provided with the electric heating wire and is used for preventing the water vapor in the flue gas from condensing in the air inlet pipe, the cyclone separator and the filter when the outside air temperature is lower, the condensed water and the ash in the flue gas are mixed to form plaster, and the plaster is stuck in the air inlet pipe, the cyclone separator or the filter to cause the blockage phenomenon.

4. The air inlet pipe and the exhaust pipe can slide, and the air inlet pipe and the exhaust pipe are provided with the first accommodating cavity and the second accommodating cavity, so that the air inlet pipe and the exhaust pipe are protected, and the service life is prolonged.

5. The utility model is provided with the jet accelerator, thereby increasing the flow velocity of the flue gas in the air inlet pipe, leading more flue gas to enter the condensing tank in unit time, improving the efficiency of the condensing tank for collecting condensed water, reducing the sampling time and further prolonging the service life of the air inlet pipe and the exhaust pipe.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is a schematic structural view of embodiment 3;

FIG. 4 is a schematic diagram of the construction of a jet accelerator;

in the figure:

1. a chimney; 2. a flange plate; 3. a second seal ring; 4. an exhaust pipe; 5. a connecting frame; 6. a jet accelerator; 7. a third electromagnetic valve; 8. a condensing tank; 9. a coil pipe; 10. a first intermediate pipe; 11. a second solenoid valve; 12. a water outlet pipe; 13. a filter; 14. a cyclone separator; 15. an ash storage box; 16. a first solenoid valve; 17. an air inlet pipe; 18. an electric push rod; 19. a first seal ring; 20. a second accommodating chamber; 21. a first accommodating chamber; 22. an electric heating wire; 23. an air inlet pipe; 24. an air outlet short pipe; 25. a spout; 26. a housing; 27. a nozzle; 28. a short air inlet pipe; 29. a short gas inlet pipe; 30. a second intermediate pipe.

Detailed Description

Example 1

As shown in fig. 1, a boiler leakage detection device, includes intake pipe 17, blast pipe 4 and vertical condensing tank 8, the left end of intake pipe 17 and the left end of blast pipe 4 all insert in the chimney 1 of boiler, the left end of intake pipe 17 is decurrent L shape, the left end of intake pipe 17 is tubaeform, the left end of blast pipe 4 is ascending L shape, and the flow direction of flue gas in chimney 1 is from bottom to top. The air inlet pipe 17 and the exhaust pipe 4 are vertically penetrated and welded with the right side wall of the chimney 1, and the left end of the air inlet pipe 17 and the left end of the exhaust pipe 4 are both located in the center of the chimney 1.

The condensation jar 8 sets up on the right side of chimney 1, condensation jar 8 includes the cylindrical jar body and coils snakelike coil pipe 9 at jar internal, the right-hand member of intake pipe 17 and the lower part intercommunication of the jar body, the right-hand member of blast pipe 4 and the upper portion intercommunication of the jar body, the bottom of the jar body is conical, the jar body is equipped with outlet pipe 12 at conical central minimum, be equipped with second solenoid valve 11 on the outlet pipe 12, it has the refrigerant to lead to in the coil pipe 9, and this refrigerant is the cold water that the temperature is less than 10 ℃.

The air inlet pipe 17 is provided with a first electromagnetic valve 16 close to the right end, the right end of the air inlet pipe 17 is fixedly connected with a cyclone separator 14 and a filter 13 in sequence, an inlet at the upper part of the cyclone separator 14 is connected with the right end of the air inlet pipe 17, an outlet of the filter 13 is communicated with the lower part of the tank body through a first middle pipe 10, and the upper part of the tank body is communicated with the right end of the exhaust pipe 4 through a second middle pipe 30. The bottom of the cyclone 14 is connected with an ash storage box 15 through screw threads.

The flue gas containing water vapor flows in the chimney 1 from bottom to top, part of the flue gas enters the air inlet pipe 17 through the bell mouth at the left end of the air inlet pipe 17 and then enters the cyclone separator 17 along the tangential direction and rotates in the cyclone separator 17, solid particles with larger weight and volume in the flue gas are thrown to the conical inner wall of the cyclone separator 17 and fall into the cigarette ash storage box 15 along the inner wall, the rest flue gas is discharged through the outlet pipe at the center of the cyclone separator 17 and then enters the filter 13 for secondary filtration, and the flue gas after secondary filtration enters the condensing tank 8. The water vapor in the flue gas is cooled and condensed by the cold water in the coil pipe 9 and is discharged through the water outlet pipe 12. And then the flue gas is discharged into the chimney 1 through the exhaust pipe 4, so that the pollution to the surrounding environment can be avoided.

The first solenoid valve 16 and the second solenoid valve 11 are opened periodically, and the amount of the condensate water discharged from the water outlet pipe 12 is measured at the same time interval, for example, after the boiler is operated for a certain period of time, the amount of the condensate water is suddenly increased, and the state of the condensate water always kept at a high amount of the condensate water is considered that the internal leakage of the filter occurs. The severity of leakage can be indirectly obtained through the amount of condensed water, the working state of the boiler needs to be noticed at any time, and the boiler needs to be arranged to be overhauled as soon as possible, so that the safe operation of the boiler is guaranteed, and greater accidents are prevented.

Example 2

As shown in fig. 2 and fig. 4, a window is opened on the right side wall of the chimney 1, a flange plate 2 is fixedly arranged on the window, the air inlet pipe 17 and the air outlet pipe 4 are both vertically connected with the flange plate 2 in a sliding manner, a first sealing ring 19 is arranged between the air inlet pipe 17 and the flange plate 2, a second sealing ring 3 is arranged between the air outlet pipe 4 and the flange plate 2, a first accommodating cavity 21 for accommodating the left end of the air inlet pipe 17 is arranged at the position corresponding to the air inlet pipe 17 at the left part of the flange plate 2, and a second accommodating cavity 20 for accommodating the left end of the air outlet pipe 4 is arranged at the position corresponding to the air outlet pipe 4 inside the flange plate 2.

When the flue gas needs to be sampled, the exhaust pipe 4 and the air inlet pipe 17 are pushed leftwards, so that the left end of the exhaust pipe 4 and the left end of the air inlet pipe 17 reach the center of the chimney 1. After the sampling finishes, with blast pipe 4 and intake pipe 17 pulling right, make the left end of blast pipe 4 enter into the second and hold chamber 20, the left end of intake pipe 17 enters into first chamber 21 that holds to make intake pipe 17 and blast pipe 4 all protected, in order to increase life.

The right end of the exhaust pipe 4 is provided with a jet flow accelerator 6, and the jet flow accelerator 6 comprises an external shell 26, a nozzle 27 arranged inside the shell 26 and an air inlet short pipe 29 fixedly connected with the shell 26 in a penetrating manner. The left part of the shell 26 is conical, and the upper end of the air inlet short pipe 29 is communicated with the right part of the nozzle 27. The left side of casing 26 is air-out nozzle stub 24, the right side of casing 26 is air inlet nozzle stub 28, the conical spout 25 of nozzle 27 is left, the left end of air-out nozzle stub 24 passes through ferrule fixed connection with the right-hand member of blast pipe 4, the lower extreme of air inlet nozzle stub 29 passes through ferrule fixed connection with the upper end of second intermediate tube 30, the right-hand member of air inlet nozzle stub 28 passes through ferrule fixed connection and intake pipe 23, intake pipe 23 and compressed air pipeline intercommunication, be equipped with third solenoid valve 7 on the intake pipe 23.

After the third electromagnetic valve 7 is opened, compressed air is blown into the jet flow accelerator 6 leftwards through the air inlet pipe 23, and under the action of the venturi effect, the flow velocity of flue gas in the air inlet short pipe 29 is increased, so that the flow velocity of flue gas in the air inlet pipe 17 is increased, more flue gas enters the condensation tank 8 in unit time, the efficiency of collecting condensed water by the condensation tank 8 is improved, the sampling time is shortened, and the service lives of the air inlet pipe 17 and the exhaust pipe 4 are further prolonged.

The air inlet pipe 17 is wound with an electric heating wire 22, and the cyclone separator 14 and the filter 13 are wound with the electric heating wire 22.

In winter or when the outside air temperature is low, in order to prevent the water vapor in the flue gas from being condensed in the air inlet pipe 17, the cyclone 14 and the filter 13, the air inlet pipe 17, the cyclone 14 and the filter 13 are heated by the heating wire 22, so that the stucco formed by mixing the condensed water and the soot in the flue gas is prevented from being stuck in the air inlet pipe 17 or the cyclone 14 or the filter 13 to cause clogging.

Example 3

As shown in fig. 3, a connecting frame 5 is arranged between the air inlet pipe 17 and the exhaust pipe 4, the middle part of the air inlet pipe 17 and the middle part of the exhaust pipe 4 are respectively and fixedly connected with one end of the connecting frame 5, and an electric push rod 18 for driving the connecting frame 5 to move along the radial direction of the chimney 1 is fixedly arranged outside the flange 2.

After the electric push rod 18 is added, the air inlet pipe 17 and the exhaust pipe 4 can be pushed or pulled to move by replacing manpower, and the actions of the first electromagnetic valve 16, the second electromagnetic valve 11 and the third electromagnetic valve 7 are combined, so that the automatic sampling device can realize automatic sampling, reduce the labor intensity and simultaneously prevent operators from being scalded in the sampling process.

The above-mentioned embodiments are described in detail and specifically for illustrating the preferred embodiments of the present invention, and it is intended that the present invention not be limited to the embodiments, but only be interpreted as the basis for the technical idea and features of the present invention, and it is within the scope of the present invention that the present invention can be implemented by those skilled in the art.

Claims

1. The boiler leakage detection device is characterized by comprising an air inlet pipe (17), an air outlet pipe (4) and a condensing tank (8), wherein the inner end of the air inlet pipe (17) and the inner end of the air outlet pipe (4) are inserted into a chimney (1) of a boiler, the inner end of the air inlet pipe (17) faces the incoming direction of smoke in the chimney (1), and the inner end of the air outlet pipe (4) faces the outgoing direction of the smoke in the chimney (1); the condensation tank (8) is arranged outside the chimney (1), the condensation tank (8) comprises a tank body and a coil pipe (9) coiled in the tank body, the outer end of the air inlet pipe (17) is communicated with the lower portion of the tank body, the outer end of the air outlet pipe (4) is communicated with the upper portion of the tank body, an water outlet pipe (12) is arranged at the bottom of the tank body, a second electromagnetic valve (11) is arranged on the water outlet pipe (12), and a refrigerant is communicated with the coil pipe (9).

2. The boiler leakage detection device according to claim 1, wherein the outer end of the air inlet pipe (17) is fixedly connected with a cyclone separator (14) and a filter (13) in sequence, the inlet of the cyclone separator (14) is connected with the outer end of the air inlet pipe (17), and the outlet of the filter (13) is communicated with the lower part of the tank body.

3. The boiler leakage detection device according to claim 1, characterized in that the outer end of the exhaust pipe (4) is provided with a jet flow accelerator (6), the jet flow accelerator (6) comprises an outer shell (26), a nozzle (27) arranged inside the shell (26) and an air inlet short pipe (29) fixedly connected with the shell (26) in a penetrating way, and the inner end of the air inlet short pipe (29) is communicated with the nozzle (27); one side of casing (26) is air-out nozzle stub (24), the opposite side of casing (26) is air inlet nozzle stub (28), spout (25) of nozzle (27) are towards air-out nozzle stub (24), the outer end fixed connection of air-out nozzle stub (24) and blast pipe (4), the outer end of air inlet nozzle stub (29) and the upper portion intercommunication of the jar body, fixedly connected with air-supply line (23) on air inlet nozzle stub (28), air-supply line (23) and compressed air pipeline intercommunication.

4. The boiler leakage detection device according to claim 1, characterized in that the inlet pipe (17) and the outlet pipe (4) are both fixedly connected to the chimney (1).

5. The boiler leakage detection device according to claim 1, characterized in that a window is formed in the chimney (1), a flange (2) is fixedly arranged on the window, the air inlet pipe (17) and the exhaust pipe (4) are vertically connected with the flange (2) in a penetrating and sliding manner, the inner end of the air inlet pipe (17) and the inner end of the exhaust pipe (4) are both L-shaped, a first accommodating cavity (21) for accommodating the inner end of the air inlet pipe (17) is formed in the position, corresponding to the air inlet pipe (17), in the flange (2), and a second accommodating cavity (20) for accommodating the inner end of the exhaust pipe (4) is formed in the position, corresponding to the exhaust pipe (4), in the flange (2).

6. The boiler leakage detection device according to claim 5, wherein a connecting frame (5) is arranged between the air inlet pipe (17) and the exhaust pipe (4), the middle part of the air inlet pipe (17) and the middle part of the exhaust pipe (4) are respectively and fixedly connected with one corresponding end of the connecting frame (5), and an electric push rod (18) for driving the connecting frame (5) to move along the radial direction of the chimney (1) is fixedly arranged on the outer side of the flange plate (2).

7. A boiler leakage detecting device according to claim 1, characterized in that the air inlet pipe (17) is wound with heating wires (22).

8. A boiler leak detecting arrangement according to claim 2, characterized in that the cyclone (14) and the filter (13) are wrapped with heating wires (22).