CN218330466U - Sealing performance test device for nodular cast iron pipe joint - Google Patents

Sealing performance test device for nodular cast iron pipe joint Download PDF

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Publication number
CN218330466U
CN218330466U CN202221833861.4U CN202221833861U CN218330466U CN 218330466 U CN218330466 U CN 218330466U CN 202221833861 U CN202221833861 U CN 202221833861U CN 218330466 U CN218330466 U CN 218330466U
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China
Prior art keywords
pipeline
gas
cast iron
sealing performance
performance test
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CN202221833861.4U
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Chinese (zh)
Inventor
刘金生
冯书合
艾晨光
李萍
杨跃辉
苑少强
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HEBEI JIANZHI CASTING GROUP Ltd
Tangshan University
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HEBEI JIANZHI CASTING GROUP Ltd
Tangshan University
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Abstract

The utility model discloses a nodular cast iron pipe connector port sealing performance test device relates to drainage pipe technical field, and its technical scheme main points are: the pipeline comprises a pipeline body and an air breather, wherein the pipeline body comprises a plurality of pipeline components, connecting pieces are arranged among the pipeline components, and the pipeline components are connected through the connecting pieces; the two ends of the pipeline body are hermetically connected with the ventilating device; the aeration device is provided with a reactant for generating colored gas. The utility model discloses use air breather to let in coloured gas in the pipeline of the seal that will test, observe whether there is coloured gas to spill out, if there is coloured gas to spill out then indicate that the seal is unqualified, and can confirm the leak source position through the position that coloured gas spilled out. The leak testing device has the effect of testing the tightness and determining the position of the leak point.

Description

Sealing performance test device for nodular cast iron pipe joint
Technical Field
The utility model relates to a drainage pipe technical field, more specifically says that it relates to a nodular cast iron pipe connector sealing performance test device.
Background
The pipeline system consisting of the nodular cast iron drainage pipeline and the accessories thereof is an important component for the construction of municipal drainage pipelines, and the pipeline system has high sealing detection difficulty and large workload and consumes a large amount of manpower and material resources.
In the prior art, a pipeline system is generally installed in a subsection mode and subjected to subsection water injection acceptance, water closing examination is carried out under the action of a water flow gravity system, or positive pressure air closing test is used for acceptance.
The prior art has the following disadvantages: 1. in the prior art, the acceptance test process is complicated, the field installation operation is inconvenient, the leakage detection and detection work is time-consuming and labor-consuming, and is limited by construction environment and equipment, the test cost is high especially for arid and semiarid regions with scarce water resources, and meanwhile, the serious waste of water resources is caused; 2. in the test process, a leakage point is not easy to find, the leak detection and the leak finding period are long, the test result is not displayed visually, and the test result has uncertainty.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, provide a nodular cast iron pipe connector port sealing performance test device, at a pipeline body both ends sealing connection air breather, this air breather can outwards emit coloured gas to can audio-visually see out whether there is the accurate position of leak source and leak source.
The above technical purpose of the present invention can be achieved by the following technical solutions: the sealing performance test device for the joint of the nodular cast iron pipe comprises a pipeline body and an air breather, wherein the pipeline body comprises a plurality of pipeline components, connecting pieces are arranged among the pipeline components, and the pipeline components are hermetically connected through the connecting pieces; the two ends of the pipeline body are hermetically connected with the ventilating device; and a reactant for generating colored gas is arranged in the ventilating device.
Through adopting above-mentioned technical scheme, placed in advance in the breather and be used for producing the reactant of coloured gas, through adding in to the breather and react with the reactant and produce the material of coloured gas and produce coloured gas to be convenient for through observing whether there is coloured gas to float out from the pipeline body and judge whether airtight of pipeline body, and can observe the position of floating out of coloured gas and confirm the leak source position of pipeline body.
The utility model discloses further set up to: the ventilating device is hermetically connected with the pipeline body through a rubber ring.
Through adopting above-mentioned technical scheme, make the leakproofness that breather and pipeline body both ends are connected better, avoided coloured gas to waft from the junction between breather and the pipeline body to influence experimental effect.
The utility model discloses further set up to: a plurality of buttresses are arranged on the pipeline assembly.
Through adopting above-mentioned technical scheme, erect the pipeline subassembly in the air, the observation test process of being convenient for.
The utility model discloses further set up to: the air blowing device is provided with an air inlet end and an air outlet end, the air outlet end is hermetically connected with the pipeline body through a rubber ring, the air manufacturing device is a box with holes at two ends, one end of the air manufacturing device is tightly connected with the air inlet end of the air blowing device, and the other end of the air manufacturing device is communicated with outside air.
Through adopting above-mentioned technical scheme, utilize gaseous manufacturing installation, the reactant reaction of being convenient for put into in the gaseous manufacturing installation produces coloured gas to let in the pipeline body with coloured gas through the gas blower.
The utility model discloses further set up to: the reactant is placed in a gas production device, and the reactant is copper.
Through adopting above-mentioned technical scheme, adopt the copper as the reactant that coloured gas produced, put into concentrated nitric acid through the tip trompil of gas manufacturing installation, make concentrated nitric acid and copper contact and react and produce reddish brown's nitrogen dioxide gas, reddish brown's nitrogen dioxide is more obvious, can adapt to different environmental backgrounds.
The utility model discloses further set up to: the connecting piece adopts a plurality of pipe assembly of rubber sleeve connection.
Through adopting above-mentioned technical scheme, improve the airtight effect of connecting piece, avoid influencing the test result.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses use breather to let in coloured gas in the pipeline of test seal, observe whether there is coloured gas to spill, if there is coloured gas to spill then show that the seal is unqualified, and can confirm the leak source position through the position that coloured gas fled, avoided the water waste of closed water inspection, and can confirm the leak source position when examining the seal.
Drawings
FIG. 1 is a schematic structural diagram of a device for testing the sealing performance of a nodular cast iron pipe joint in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the air breather apparatus of the present invention;
FIG. 3 is a schematic diagram of the structure of a blower in an embodiment of the present invention;
in the figure: 1. a pipe body; 2. a conduit assembly; 3. a connecting member; 4. a breather device; 5. a rubber ring; 6. supporting a pier; 7. a colored gas; 8. a blower; 9. a gas production device; 10. An air inlet end; 11. an air outlet end; 12. a rubber sleeve; 13. and (3) reacting the raw materials.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be described in further detail below with reference to the embodiments of the present invention and the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
Example (b):
as shown in fig. 1, the sealing performance test device for the joint of the nodular cast iron pipe comprises a pipe body 1 and an air breather 4, wherein the pipe body 1 comprises a plurality of pipe components 2, connecting pieces 3 are arranged among the pipe components 2, and the pipe components 2 are hermetically connected through the connecting pieces 3; the two ends of the pipeline body 1 are hermetically connected with the ventilating device 4 through the rubber ring 5; the ventilation device 4 is composed of a blower 8 and a gas manufacturing device 9, the blower 8 is provided with an air inlet end 10 and an air outlet end 11, the air outlet end 11 is hermetically connected with the pipeline body 1 through a rubber ring 5, the gas manufacturing device 9 is a box with holes at two ends, one end of the box is tightly connected with the air inlet end of the blower 8, and the other end of the box is communicated with the outside air; a plurality of buttresses 6 are arranged on the pipeline component 2; the gas producing device 9 of the aeration device 4 is internally provided with a reactant 13 for producing the colored gas 7 in advance, the reactant 13 adopts copper, concentrated nitric acid is placed into an opening at one end of the gas producing device 9 communicated with the outside air, and the concentrated nitric acid is contacted with the copper to react to produce reddish brown nitrogen dioxide, and the nitrogen dioxide gas is taken as the colored gas 7 so as to be convenient for observing the test result.
The working principle is as follows: during air breather 4 lets in pipeline body 1 with coloured gas 7, utilizes the seal of gaseous mobile test pipeline, and adopts coloured gas 7 to make the testing personnel can find the leak source fast after seeing coloured gas 7 and waft out, be equipped with a plurality of buttress 6 on the pipeline assembly 2 and put up pipeline assembly 2 in the air for the testing personnel are convenient for observe, do airtight processing with rubber ring 5 and rubber sleeve 12, get rid of the interference of testing arrangement to the seal.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a nodular cast iron pipe connector sealing performance test device which characterized by: the pipeline assembly ventilation device comprises a pipeline body (1) and a ventilation device (4), wherein the pipeline body (1) comprises a plurality of pipeline assemblies (2), connecting pieces (3) are arranged among the pipeline assemblies (2), and the pipeline assemblies (2) are connected through the connecting pieces (3); the two ends of the pipeline body (1) are hermetically connected with the ventilating device (4); a reactant (13) for generating a colored gas (7) is arranged in the aeration device (4).
2. The nodular cast iron pipe joint sealing performance test device of claim 1, wherein: the ventilating device (4) is hermetically connected with the pipeline body (1) through a rubber ring (5).
3. The nodular cast iron pipe joint sealing performance test device of claim 1, wherein: a plurality of buttresses (6) are arranged on the pipeline component (2).
4. The nodular cast iron pipe joint sealing performance test device of claim 2, wherein: the ventilating device (4) is composed of a gas blowing machine (8) and a gas manufacturing device (9), the gas blowing machine (8) is provided with a gas inlet end (10) and a gas outlet end (11), the gas outlet end (11) is hermetically connected with the pipeline body (1) through a rubber ring (5), the gas manufacturing device (9) is a box with holes formed in two ends, one end of the gas manufacturing device (9) is tightly connected with the gas inlet end (10) of the gas blowing machine (8), and the other end of the gas manufacturing device (9) is communicated with external air.
5. The nodular cast iron pipe joint sealing performance test device of claim 4, wherein: the reactant (13) is placed in the gas production device (9), and the reactant adopts copper.
6. The nodular cast iron pipe joint sealing performance test device of claim 1, wherein: the connecting piece (3) is connected with the plurality of pipeline components (2) by adopting a rubber sleeve (12).
CN202221833861.4U 2022-07-15 2022-07-15 Sealing performance test device for nodular cast iron pipe joint Active CN218330466U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221833861.4U CN218330466U (en) 2022-07-15 2022-07-15 Sealing performance test device for nodular cast iron pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221833861.4U CN218330466U (en) 2022-07-15 2022-07-15 Sealing performance test device for nodular cast iron pipe joint

Publications (1)

Publication Number Publication Date
CN218330466U true CN218330466U (en) 2023-01-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221833861.4U Active CN218330466U (en) 2022-07-15 2022-07-15 Sealing performance test device for nodular cast iron pipe joint

Country Status (1)

Country Link
CN (1) CN218330466U (en)

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