Pressure pipeline calandria strength and leakproofness suppressing device

Abstract

The utility model discloses a pressure pipeline calandria strength and leakproofness suppressing device. The pressure pipeline calandria strength and leakproofness suppressing device comprises a main pipe body and a plurality of branch pipes, each branch pipe is connected with the main pipe body, a first connector is arranged at the tail end of each branch pipe, and each branch pipe is connected with a gas pipe body to be detected through the first connector; a second valve body is arranged at the connecting position of each branch pipe and the main pipe body; a second pressure gauge is connected beside the pipeline between the second valve body and the first connector on the corresponding branch pipe; and the air inlet end of the main pipe body is connected with an air source. By means of the structural arrangement of the device, simultaneous pressing of a single pipe to multiple pipes is achieved, the strength and leakproofness test of the pipes are detected at the same time, and the problem that the pressing time of the gas exhaust pipe is too long is solved.

Description

Technical Field

[0001] The utility model belongs to the field of gas pipeline standpipe strength and tightness testing devices, in particular to a pressure pipeline discharge pipe strength and tightness testing device. Background Art

[0002] After the gas riser renovation and installation is completed, strength and tightness tests need to be carried out. Since the gas meters in old communities are basically centralized meters, if the pressure is stabilized according to the time required by the specifications and each pipe is pressurized, it will take a lot of time to complete the test. In order to save time on pressure testing, a device that can perform efficient pipe testing is urgently needed. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems of the prior art and disclose a pressure pipeline strength and tightness testing device. Through the structural setting of the utility model device, it is realized that a single pipe to multiple pipes can be tested simultaneously, and the pipeline strength and tightness test can be tested simultaneously, thus solving the problem of too long time for gas pipeline testing.

[0004] The purpose of the utility model is achieved through the following technical solutions:

[0005] A pressure pipeline strength and tightness testing device, the pressure pipeline strength and tightness testing device comprising: a main pipe body and a plurality of branch pipes;

[0006] Each branch pipe is connected to the main pipe body respectively, and a first connector is provided at the end of each branch pipe, and each branch pipe is connected to the gas pipe body to be detected via the first connector;

[0007] A second valve body is provided at the connection position between each branch pipe and the main pipe; and a second pressure gauge is connected to the pipeline between the second valve body and the first connector on the corresponding branch pipe;

[0008] The air inlet end of the main pipe is connected to an air source.

[0009] According to a preferred embodiment, the branch pipes are arranged in parallel at equal intervals.

[0010] According to a preferred embodiment, the pressure pipe arrangement strength and tightness testing device is provided with 6 branch pipes.

[0011] According to a preferred embodiment, a first valve body is provided at the air inlet end of the main pipe.

[0012] According to a preferred embodiment, a first pressure gauge is provided on the main pipe.

[0013] According to a preferred embodiment, the first pressure gauge is arranged close to the first valve body.

[0014] According to a preferred embodiment, a tail pipe is provided at the end of the main pipe body, and a second connector is provided at the end of the tail pipe.

[0015] According to a preferred embodiment, a third valve body is provided upstream of the second connecting head.

[0016] According to a preferred embodiment, the gas source is an air compressor.

[0017] According to a preferred embodiment, the main pipe is made of Φ25 galvanized steel pipe; the branch pipe is made of Φ15 stainless steel corrugated pipe.

[0018] The above-mentioned main scheme of the utility model and its further optional schemes can be freely combined to form multiple schemes, all of which are schemes that can be adopted and claimed for protection by the utility model. After understanding the scheme of the utility model, those skilled in the art can understand that there are many combinations based on the existing technology and common knowledge, all of which are technical schemes to be protected by the utility model, and they are not exhaustively listed here.

[0019] Beneficial effects of the utility model:

[0020] Through the structural setting of the device of the utility model, it is realized that a single pipe or multiple pipes can be pressurized at the same time, and the pipeline strength and tightness test can be detected at the same time, which solves the problem of too long time for gas exhaust pipe pressurization. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model of the pressure pipeline strength and tightness pressure device;

[0022] Among them, 1-main body, 2-inlet end, 3-first valve body, 4-first pressure gauge, 5-branch pipe, 6-second valve body, 7-first connecting head, 8-second pressure gauge, 9-tail pipe, 10-third valve body, 11-second connecting head. DETAILED DESCRIPTION

[0023] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0025] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0026] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the present utility model should point out that, in the present utility model, if the specific structure, connection relationship, position relationship, power source relationship, etc. are not specifically written out, the structure, connection relationship, position relationship, power source relationship, etc. involved in the present utility model are all known by technical personnel in this field on the basis of existing technology without creative work.

[0029] refer to Figure 1 As shown in the figure, a pressure pipeline strength and tightness pressure device is shown, and the pressure pipeline strength and tightness pressure device comprises: a main body 1 and a plurality of branch pipes 5. Each branch pipe 5 is connected to the main body 1, and a first connector 7 is provided at the end of each branch pipe 5, and is connected to the gas pipe body to be detected through the first connector 7; a second valve body 6 is provided at the connection position between each branch pipe 5 and the main body 1; and a second pressure gauge is connected to the pipeline between the second valve body 6 and the first connector 7 on the corresponding branch pipe 5; the gas inlet end 2 of the main body 1 is connected to the gas source.

[0030] Through the structural setting of the device of the utility model, it is realized that a single pipe or multiple pipes can be pressurized at the same time, and the pipeline strength and tightness test can be detected at the same time, which solves the problem of too long time for gas exhaust pipe pressurization.

[0031] Preferably, the branch pipes 5 are arranged in parallel at equal intervals. The intervals between the branch pipes 5 are set based on the standard value of the intervals for laying flue gas ducts.

[0032] Furthermore, the pressure pipeline strength and tightness testing device is provided with 6 branch pipes 5. Thus, the pressure pipeline strength and tightness testing device can provide testing for 6 gas pipelines to be tested at the same time, and the test time is 1 / 6 of the time of a single test.

[0033] Preferably, a first valve body 3 is provided at the air inlet end 2 of the main pipe body 1 for controlling air inlet. Preferably, a first pressure gauge 4 is provided on the main pipe body 1 and the first pressure gauge 4 is arranged close to the first valve body 3 to complete pressure monitoring on the main pipe body 1.

[0034] Preferably, a tail pipe 9 is provided at the end of the main body 1, and a second connector 11 is provided at the end of the tail pipe 9. Further, a third valve body 10 is provided upstream of the second connector 11. The second connector 11 at the end of the tail pipe 9 is used to perform a pressure test on a single riser in the corridor.

[0035] Preferably, the gas source is an air compressor, through which high-pressure gas is provided to the pressure pipeline strength and tightness pressurizing device.

[0036] Preferably, the main pipe 1 is made of a Φ25 galvanized steel pipe; and the branch pipe 5 is made of a Φ15 stainless steel corrugated pipe.

[0037] The process steps of the utility model pressure pipeline strength and tightness pressure testing device for gas pipeline testing are as follows:

[0038] 1. First, connect the first connector 7 at the end of the branch pipe 5 to the gas pipe at the lower end;

[0039] 2. Construction workers go to each household and turn off the main gas switch;

[0040] 3. Close the ball valve of the third valve body 10 and open all the stop valves of the second valve body 6;

[0041] 4. Connect the air compressor, fill the entire pipeline system with compressed air, observe the reading of the first pressure gauge, and stop compressing the air until the pressure of the entire system reaches the design requirement of 0.1MP, and then close the second valve body 6 of all branch pipes 5;

[0042] 5. Read the second pressure gauge 8 on each branch pipe 5, and read the second pressure gauge 8 again after stabilizing the pressure for 30 minutes. If there is no pressure drop between the two readings, the entire pipeline is leak-tight; if there is a pressure drop between the two readings, there is a leak somewhere in the pipeline, and the leaking position can be accurately determined based on the pressure drop of the second pressure gauge 8 on the branch pipe. (If the branch pipe is not equipped with a pressure gauge, the entire pipeline must be lowered and the compression joint must be re-compressed before the test is performed again) to ensure that the pipeline is 100% leak-tight.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure pipe strength and tightness testing device, characterized in that: The pressure pipeline strength and tightness testing device comprises: a main pipe (1) and a plurality of branch pipes (5); Each branch pipe (5) is connected to the main pipe body (1) respectively, and a first connector (7) is provided at the end of each branch pipe (5), and each branch pipe (5) is connected to the gas pipe body to be detected via the first connector (7); A second valve body (6) is provided at the connection position between each branch pipe (5) and the main pipe (1); and a second pressure gauge (8) is connected to the pipeline between the second valve body (6) and the first connector (7) on the corresponding branch pipe (5); The air inlet end (2) of the main pipe (1) is connected to an air source.

2. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: The branch pipes (5) are arranged in parallel at equal intervals.

3. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: The pressure pipeline strength and tightness testing device is provided with 6 branch pipes (5).

4. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: A first valve body (3) is provided at the air inlet end (2) of the main pipe (1).

5. The pressure pipe strength and tightness testing device according to claim 4, characterized in that: The main pipe (1) is provided with a first pressure gauge (4).

6. The pressure pipe strength and tightness testing device according to claim 5, characterized in that: The first pressure gauge (4) is arranged close to the first valve body (3).

7. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: A tail pipe (9) is provided at the end of the main pipe body (1), and a second connector (11) is provided at the end of the tail pipe (9).

8. The pressure pipe strength and tightness testing device according to claim 7, characterized in that: A third valve body (10) is provided upstream of the second connecting head (11).

9. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: The gas source is an air compressor.

10. The pressure pipe strength and tightness testing device according to claim 1, characterized in that: The main pipe (1) is made of a Φ25 galvanized steel pipe; the branch pipe (5) is made of a Φ15 stainless steel corrugated pipe.

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