Leakage detection device of boiler pressure-bearing device

Abstract

The utility model relates to the technical field of leakage detection, in particular to a leakage detection device of a boiler pressure-bearing device, which has the characteristics of improving the blocking effect and practicability and comprises a plurality of first pipe bodies and a settling pipe, one side of each first pipe body is provided with a limiting ring, and one side of the settling pipe is provided with another limiting ring. Connecting devices are installed outside the multiple limiting rings, an opening is formed in the lower portion of the settling pipe, a first connecting block is arranged in the middle of the settling pipe, first threaded holes are formed in the settling pipe, the multiple first threaded holes are in threaded connection with first bolts, the lower portions of the multiple first bolts are in threaded connection with a shell, and multiple impurity removing grooves are formed in the lower portion of the shell; the plurality of impurity removal grooves are connected with filter screens in a sliding manner and are used for filtering out large particles in the fuel gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to a leak detection technical field, concretely to a leak detection device of boiler pressure bearing device. BACKGROUND

[0002] It is known that the boiler is a kind of energy conversion equipment, and the energy input to the boiler has chemical energy in fuel, electric energy, the boiler exports steam, high-temperature water or organic heat carrier with certain heat energy, when the boiler works, the leakage of boiler pressure bearing device needs to be prevented, otherwise the safety accident will appear when the boiler is used.

[0003] Chinese utility model publication number CN220708638U discloses a kind of leak detection device of boiler pressure bearing device, including first transport pipe, first flange, first output pipe, settling tube, second output pipe, second flange, leakage detection instrument and second transport pipe, one end of first transport pipe is fixedly installed with first output pipe by first flange.

[0004] The device is blocked by the blocking block, but the natural gas in the settling tube is flowing, and the flowing gas flow blows on the blocking block, which is easy to form a backflow phenomenon, and the large particles gathered on the left part of the blocking block are blown up and then flow upward along the side surface of the blocking block, which is carried away by the gas flow in the settling tube, so the effect of blocking large particles is not very good, and secondly, when disassembling the settling tube, two rotating blocks need to be rotated synchronously to disassemble the settling tube from the threaded connection rotating block, and the synchronous rotating block is not very convenient to operate, when the length of the settling tube is larger, one person cannot hold two rotating blocks, and two people need to operate, so it is difficult to ensure synchronous rotation of the rotating block, and the operation difficulty is high, so the practicability is not very good, and there is room for improvement. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a kind of leak detection device of boiler pressure bearing device, it has the characteristics of improving blocking effect and practicability.

[0007] (II) technical scheme

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a kind of leakage detection device of boiler pressure-bearing device, including several first pipe body and settling tube, the side of several first pipe body is provided with limit ring, the side of settling tube is provided with another limit ring, the outside of several limit rings is equipped with connecting device, the lower part of settling tube is provided with opening, the middle part of settling tube is provided with first connecting block, and is provided with first threaded hole, several first threaded holes are all threadedly connected with first bolt, the lower part of several first bolts is threadedly connected with shell, the lower part of shell is provided with several impurity removal groove, several impurity removal grooves are all slidingly connected with filter screen, for filtering out large particles in gas.

[0009] Further, the connecting device includes an outer cover, the first pipe body is provided with a second connecting block on both sides, and is provided with a second threaded hole, the second threaded hole is threadedly connected with a second bolt.

[0010] Further, the inner part of the outer cover is provided with a first sealing gasket, the inner wall of the first sealing gasket is tightly attached to the inner wall of the pipe body and the settling tube, and the first sealing gasket can improve the sealing between the pipe body and the settling tube.

[0011] Further, the impurity removal groove includes a sliding groove for slidingly connecting the filter screen, the left part of the sliding groove is provided with a collection groove for collecting large particle impurities, the right part of the impurity removal groove is provided with a plurality of flow grooves, and the flow grooves are coincided with the mesh holes of the filter screen, so that the gas flowing into the impurity removal groove can flow to the right part of the filter screen through the filter screen and the flow grooves.

[0012] Further, the upper part of the shell is provided with a second sealing gasket, the upper part of the second sealing gasket is tightly attached to the lower part of the settling tube, and the second sealing gasket seals the shell and the settling tube.

[0013] Preferably, the first pipe body is provided with a flange on one side, and a plurality of third bolts are threadedly connected, the other end of the first bolt is threadedly connected with another flange, and the other end of the flange is provided with a second pipe body.

[0014] Preferably, the upper part of the first pipe body on the right is provided with a leakage detection instrument, and the inner part of the right part of the settling tube is provided with a filtering device.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a leakage detection device of boiler pressure-bearing device, which has the following beneficial effects:

[0017] The leakage detection device of the boiler pressure bearing device, after the large particles in the gas are filtered by the filter screen, the large particles flow into the collecting groove at the left part of the sliding groove, and the filtered gas flows to the other side of the filter screen through the flow groove, without backflow, so that the large particles in the collecting groove are not blown on, avoiding that the large particles are driven into the gas flow inside the settling tube again, thereby improving the effect of blocking the large particles, and secondly, the outer cover on the two sides is disassembled by unscrewing the second bolts on the two sides, without synchronous disassembly operation of the outer covers on the two sides, thereby reducing the operation difficulty and improving the practicability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional schematic view of the utility model;

[0020] Figure 3 It is a three-dimensional schematic view of the outer cover and the first sealing gasket of the utility model;

[0021] Figure 4 It is a three-dimensional schematic view of the shell and the filter screen of the utility model;

[0022] Figure 5 It is a three-dimensional schematic view of the shell and the filter screen of the utility model;

[0023] Figure 6 It is a three-dimensional schematic view of the shell and the filter screen of the utility model; Figure 1 It is a three-dimensional schematic view of the shell and the filter screen of the utility model;

[0024] In the figure: 1, first pipe body; 2, settling tube; 3, limiting ring; 4, first bolt; 5, shell; 6, filter screen; 7, outer cover; 8, second bolt; 9, first sealing gasket; 10, sliding groove; 11, collecting groove; 12, flow groove; 13, second sealing gasket; 14, flange; 15, second pipe body; 16, leakage detection instrument. 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 Figures 1-6The utility model discloses a kind of leakage detection devices of boiler pressure-bearing device, including several first pipe body 1 and settling tube 2, the side of several first pipe body 1 is provided with limit ring 3, the side of settling tube 2 is provided with another limit ring 3, the outside of several limit ring 3 is equipped with connecting device, connecting device is installed in the outside of several limit ring 3, to seal connection together with first pipe body 1 and settling tube 2, the lower part of settling tube 2 is provided with opening, the middle part of settling tube 2 is provided with first connecting block, and is provided with first threaded hole, several first threaded hole are threadedly connected with first bolt 4, the lower part of several first bolt 4 is threadedly connected with shell 5, by the thread connection mode of first bolt 4 and the first threaded hole of first connecting block, shell 5 is installed below settling tube 2, it is convenient to disassemble and install, the lower part of shell 5 is provided with several impurity removal groove, several impurity removal grooves are slidably connected with filter screen 6, for filtering out large particles in fuel gas, then store in impurity removal groove and collect, avoid being driven into first pipe body 1 by flowing fuel gas.

[0027] Connecting device includes cover 7, for shielding in the outside of first pipe body 1 and settling tube 2, the two sides of first pipe body 1 are provided with second connecting block respectively, and are provided with second threaded hole, several second threaded hole are threadedly connected with second bolt 8, second bolt 8 is screwed into the second threaded hole of second connecting block, to install together with two covers 7 that fit together.

[0028] The inside of cover 7 is provided with first sealing gasket 9, the inner wall of first sealing gasket 9 is closely fitted together with the inner wall of a pipe body and settling tube 2, first sealing gasket 9 can improve the sealing between a pipe body and settling tube 2, prevent fuel gas from penetrating out from the gap between a pipe body and settling tube 2.

[0029] Impurity removal groove includes sliding groove 10 for slidably connecting filter screen 6, the left part of sliding groove 10 is provided with collection groove 11, fuel gas blows on filter screen 6, then flows to impurity removal groove along the side of filter screen 6, and large particle impurities filtered out roll into the collection groove 11 of the left part of sliding groove 10, the right part of impurity removal groove is provided with several flow grooves 12, and is coincided together with the mesh of filter screen 6, facilitate the fuel gas flowing to impurity removal groove to flow to the right part of filter screen 6 through filter screen 6 and flow groove 12, and there is no large reflux phenomenon.

[0030] The upper part of shell 5 is provided with second sealing gasket 13, the upper part of second sealing gasket 13 is tightly against the lower part of settling tube 2, second sealing gasket 13 plays a sealing role to shell 5 and settling tube 2, prevent fuel gas in settling tube 2 from penetrating to outside from the connecting part between the two.

[0031] The first pipe body 1 is provided with a flange 14 on one side, and a plurality of third bolts are threadedly connected, the other end of a plurality of first bolts 4 is threadedly connected with another flange 14, one end of the other flange 14 is provided with a second pipe body 15, and the second pipe body 15 and the first pipe body 1 are installed together through the threaded connection of the third bolts and the flange 14.

[0032] The upper part of the first pipe body 1 located on the right part is provided with a leakage detection instrument 16 for detecting whether the gas in the pipe body leaks, and the inside of the right part of the settling pipe 2 is provided with a filtering device for filtering impurities in the gas.

[0033] In summary, the leakage detection device of the boiler pressure bearing device, when in use, the gas in the second pipe body 15 on the left part enters the first pipe body 1, and then enters the left part of the settling pipe 2, and then flows in the settling pipe 2, when passing through the filter screen 6, flows along the inclined surface of the filter screen 6 into the chute 10 and the collection groove 11, the large particles filtered out fall into the collection groove 11, the filtered gas enters the flow hole through the filter hole of the filter screen 6, and then flows to the other side of the filter screen 6, and then circulates multiple times after filtering, and then continues to flow in the settling pipe 2, when the settling pipe 2 needs to be disassembled for cleaning, only the second bolts 8 on both sides of the outer cover 7 are unscrewed, the outer cover 7 is disassembled from the limiting ring 3, then the settling pipe 2 is disassembled, then the first bolts 4 are disassembled from the first connecting block, the shell 5 is disassembled from the settling pipe 2, then the filter screen 6 is pulled out from the chute 10, and the filter screen 6 and the collection groove 11 are cleaned.

[0034] 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 leakage detection device for a boiler pressure vessel, characterized in that: The device includes several first pipe bodies (1) and a settling pipe (2). Each of the first pipe bodies (1) has a limiting ring (3) on one side. Each settling pipe (2) has another limiting ring (3) on one side. Each of the limiting rings (3) has a connecting device installed on its exterior. Each settling pipe (2) has an opening at its lower part and a first connecting block in the middle part of the settling pipe (2). Each of the first connecting blocks has a first threaded hole. Each of the first threaded holes is threaded with a first bolt (4). Each of the first bolts (4) is threaded with a housing (5) at its lower part. Each of the housings (5) has several impurity removal grooves at its lower part. Each of the impurity removal grooves is slidably connected with a filter screen (6) for filtering out large particles in the gas.

2. The leakage detection device for a boiler pressure vessel according to claim 1, characterized in that: The connecting device includes an outer cover (7), and second connecting blocks are respectively provided on both sides of the first tube body (1), and each is provided with a second threaded hole, and a second bolt (8) is threaded into several of the second threaded holes.

3. The leakage detection device for a boiler pressure vessel according to claim 2, characterized in that: The outer cover (7) is provided with a first sealing gasket (9). The inner wall of the first sealing gasket (9) is tightly fitted with the inner wall of the tube body and the settling pipe (2). The first sealing gasket (9) can improve the sealing between the tube body and the settling pipe (2).

4. The leakage detection device for a boiler pressure vessel according to claim 3, characterized in that: The impurity removal tank includes a sliding groove (10) for slidingly connecting the filter screen (6). A collection groove (11) is provided on the left side of the sliding groove (10) for collecting large particulate impurities. Several flow grooves (12) are provided on the right side of the impurity removal tank, and they all overlap with the mesh of the filter screen (6) to facilitate the flow of the gas flowing into the impurity removal tank through the filter screen (6) and the flow grooves (12) to the right side of the filter screen (6).

5. A leakage detection device for a boiler pressure vessel according to claim 1, characterized in that: The upper part of the housing (5) is provided with a second sealing gasket (13), the upper part of the second sealing gasket (13) is tightly pressed against the lower part of the settling pipe (2), and the second sealing gasket (13) plays a sealing role for the housing (5) and the settling pipe (2).

6. The leakage detection device for a boiler pressure vessel according to claim 1, characterized in that: A flange (14) is provided on one side of the first pipe body (1), and several third bolts are threadedly connected to it. The other end of several first bolts (4) is threadedly connected to another flange (14), and a second pipe body (15) is provided on one end of the other flange (14).

7. A leakage detection device for a boiler pressure vessel according to claim 6, characterized in that: A leak detection instrument (16) is installed on the upper part of the first pipe body (1) located on the right side, and a filter device is installed inside the right side of the settling pipe (2).

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