CN210719691U - Detection apparatus for relief valve - Google Patents
Detection apparatus for relief valve Download PDFInfo
- Publication number
- CN210719691U CN210719691U CN201921539211.7U CN201921539211U CN210719691U CN 210719691 U CN210719691 U CN 210719691U CN 201921539211 U CN201921539211 U CN 201921539211U CN 210719691 U CN210719691 U CN 210719691U
- Authority
- CN
- China
- Prior art keywords
- valve
- safety valve
- branch pipe
- gas collecting
- safety
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a detection device of a safety valve, wherein a gas collecting pipeline is arranged on a support, two sealing flanges are respectively arranged at two sides of the gas collecting pipeline, and two flange covers are respectively connected with the sealing flanges; one end of the air inlet pipeline is connected with the air collecting pipeline, the other end of the air inlet pipeline is connected with one end of the air inlet valve, and the other end of the air inlet valve is connected with an air source; one end of the first branch pipe is connected with the gas collecting pipeline, the other end of the first branch pipe is connected with one end of a first valve, and the other end of the first valve is connected with a first pressure gauge; one end of the second branch pipe is connected with the gas collecting pipeline, the other end of the second branch pipe is connected with the first end of the second valve, the second end of the second valve is connected with one end of the safety valve connector, and the other end of the safety valve connector is used for being connected with a safety valve to be tested; one end of the third branch pipe is connected with the gas collecting pipeline, the other end of the third branch pipe is connected with one end of a third valve, and the other end of the third valve is connected with the full-open type safety valve. The utility model has the advantages of simple structure and convenient movement.
Description
Technical Field
The utility model relates to a pressure detection field especially relates to a detection apparatus of relief valve.
Background
The safety valve plays a safety protection role in the system, when the medium pressure in the equipment or the pipeline rises to exceed a specified value, the medium pressure in the pipeline or the equipment is prevented from exceeding a specified value by discharging the medium to the outside of the system through the safety valve, and therefore the system is prevented from accidents caused by overhigh pressure; the safety valve needs to be detected on site before being installed and used, so that the safety valve can timely discharge pressure when the system pressure is overlarge, but the existing safety valve detection platform is relatively large and is very inconvenient to move.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a detection device of relief valve to solve above-mentioned problem.
To achieve the purpose, the utility model adopts the following technical proposal:
a detection device for a safety valve comprises a gas collecting pipeline, a gas inlet pipeline, a first branch pipe, a second branch pipe, a third branch pipe, a gas inlet valve, a first valve, a second valve, a third valve, a first pressure gauge, a first safety valve joint, a full-open type safety valve, a support and a flange cover;
the gas collecting pipeline is arranged on the support, two sealing flanges are respectively arranged on two sides of the gas collecting pipeline, the number of the flange covers is two, and the two flange covers are respectively connected with the sealing flanges on two sides of the gas collecting pipeline;
one end of the air inlet pipeline is connected with the air collecting pipeline, the other end of the air inlet pipeline is connected with one end of the air inlet valve, and the other end of the air inlet valve is connected with an air source; one end of the first branch pipe is connected with the gas collecting pipeline, the other end of the first branch pipe is connected with one end of the first valve, and the other end of the first valve is connected with the first pressure gauge; one end of the second branch pipe is connected with the gas collecting pipeline, the other end of the second branch pipe is connected with the first end of the second valve, the second end of the second valve is connected with one end of the first safety valve connector, and the other end of the first safety valve connector is used for being connected with a safety valve to be tested; one end of the third branch pipe is connected with the gas collecting pipeline, the other end of the third branch pipe is connected with one end of a third valve, and the other end of the third valve is connected with the full-open type safety valve.
The gas collecting device is characterized by further comprising a fourth branch pipe, a fourth valve and a second pressure gauge, wherein one end of the fourth branch pipe is connected with the gas collecting pipeline, the other end of the fourth branch pipe is connected with one end of the fourth valve, and the other end of the fourth valve is connected with the second pressure gauge.
The other end of the first safety valve connector is an 1/2-inch connector.
The first valve, the second valve, the third valve and the fourth valve are connected in series; one end of the fifth branch pipe is connected with the gas collecting pipeline, the other end of the fifth branch pipe is connected with the first end of the fifth valve, the second end of the fifth valve is connected with one end of the second safety valve connector, and the other end of the second safety valve connector is used for being connected with a safety valve to be tested; one end of the sixth branch pipe is connected with the gas collecting pipeline, the other end of the sixth branch pipe is connected with the first end of the sixth valve, the second end of the sixth valve is connected with one end of the third safety valve connector, and the other end of the third safety valve connector is used for being connected with a safety valve to be tested; the other end of the second safety valve joint is an 3/4-inch connector, and the other end of the third safety valve joint is a 1-inch connector.
The second valve, the fifth valve and the sixth valve are all three-way ball valves, the number of the first safety valve joints, the number of the second safety valve joints and the number of the third safety valve joints are two, and the two first safety valve joints are respectively connected with the second end and the third end of the second valve; the two second safety valve joints are respectively connected with the second end and the third end of the fifth valve; and the two third safety valve joints are respectively connected with the second end and the third end of the sixth valve.
The gas collecting device is characterized by further comprising a seventh branch pipe, a flange ball valve and a flange variable-diameter interface, wherein one end of the seventh branch pipe is connected with the gas collecting pipeline, the other end of the seventh branch pipe is provided with a connecting flange, one end of the flange ball valve is connected with the connecting flange, the other end of the flange ball valve is connected with one end of the flange variable-diameter interface, and the other end of the flange variable-diameter interface is used for being connected with a safety valve to be detected.
Still include the manometer buffer tube, the manometer buffer tube set up in first manometer with between the other end of first valve.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
in the drawings: 1-a gas collecting pipeline, 101-a sealing flange, 2-a gas inlet pipeline, 3-a first branch pipe, 4-a second branch pipe, 5-a third branch pipe, 6-a gas inlet valve, 7-a first valve, 8-a second valve, 9-a third valve, 10-a first pressure gauge, 11-a first safety valve joint, 12-a full-open type safety valve and 13-a support, 14-flange cover, 15-fourth branch pipe, 16-fourth valve, 18-fifth branch pipe, 19-sixth branch pipe, 20-fifth valve, 21-sixth valve, 22-second safety valve joint, 23-third safety valve joint, 24-seventh branch pipe, 241-connecting flange, 25-flange ball valve, 26-flange reducing interface and 27-pressure gauge buffer pipe.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The detection device for the safety valve of the present embodiment, as shown in fig. 1, includes a gas collecting pipeline 1, an air inlet pipeline 2, a first branch pipe 3, a second branch pipe 4, a third branch pipe 5, an air inlet valve 6, a first valve 7, a second valve 8, a third valve 9, a first pressure gauge 10, a first safety valve joint 11, a full-open safety valve 12, a bracket 13, and a flange cover 14;
the gas collecting pipeline 1 is arranged on the support 13, two sealing flanges 101 are respectively arranged on two sides of the gas collecting pipeline 1, two flange covers 14 are provided, and the two flange covers 14 are respectively connected with the sealing flanges 101 on two sides of the gas collecting pipeline 1;
one end of the air inlet pipeline 2 is connected with the air collecting pipeline 1, the other end of the air inlet pipeline is connected with one end of the air inlet valve 6, and the other end of the air inlet valve 6 is connected with an air source; one end of the first branch pipe 3 is connected with the gas collecting pipeline 1, the other end of the first branch pipe is connected with one end of the first valve 7, and the other end of the first valve 7 is connected with the first pressure gauge 10; one end of the second branch pipe 4 is connected with the gas collecting pipeline 1, the other end of the second branch pipe is connected with the first end of the second valve 8, the second end of the second valve 8 is connected with one end of the first safety valve joint 11, and the other end of the first safety valve joint 11 is used for being connected with a safety valve to be tested; one end of the third branch pipe 5 is connected with the gas collecting pipeline 1, the other end of the third branch pipe is connected with one end of the third valve 9, and the other end of the third valve 9 is connected with the full-open type safety valve 12.
The gas collecting pipeline 1 is taken as a main body, and then the first branch pipe 3, the second branch pipe 4 and the third branch pipe 5 are all connected to the gas collecting pipeline 1, so that the whole structure is very simple, the size is small, and the carrying and moving are convenient; when the safety valve to be tested needs to be detected, the other end of the air inlet valve 6 is connected with a compressed air source or a nitrogen gas source, then the air inlet valve 6 is opened, the first valve 7 and the third valve 9 are opened, so that compressed air or nitrogen gas is filled in the space in the gas collecting pipeline 1, then the safety valve to be tested is connected with the other end of the first safety valve joint 11, the safety valve to be tested can be detected by opening the second valve 8, the air pressure in the gas collecting pipeline 1 can be observed through the first pressure gauge 10, the pressure in the gas collecting pipeline 1 can be kept constant through the third valve 9 and the full-start safety valve 12, and when the air pressure in the gas collecting pipeline 1 is too large, the pressure can be relieved through the full-start safety valve 12.
The gas collecting device is characterized by further comprising a fourth branch pipe 15, a fourth valve 16 and a second pressure gauge, one end of the fourth branch pipe 15 is connected with the gas collecting pipeline 1, the other end of the fourth branch pipe 15 is connected with one end of the fourth valve 16, and the other end of the fourth valve 16 is connected with the second pressure gauge.
Set up two manometers and can carry out mutual correction to the atmospheric pressure in the gas collecting pipe 1, when one of them manometer goes wrong, then the demonstration pressure of two manometers is different, can help operating personnel to discover the problem like this in time, prevents that the pressure in the pipeline is too big and the emergence accident.
The other end of the first safety valve joint 11 is an 1/2-inch connector.
Can be used to connect with a safety valve to be tested with an interface of 1/2 inches.
The safety valve further comprises a fifth branch pipe 18, a sixth branch pipe 19, a fifth valve 20, a sixth valve 21, a second safety valve joint 22 and a third safety valve joint 23; one end of the fifth branch pipe 18 is connected to the gas collecting pipe 1, the other end of the fifth branch pipe 18 is connected to the first end of the fifth valve 20, the second end of the fifth valve 20 is connected to one end of the second safety valve joint 22, and the other end of the second safety valve joint 22 is used for being connected to a safety valve to be tested; one end of the sixth branch pipe 19 is connected to the gas collecting pipe 1, the other end of the sixth branch pipe 19 is connected to the first end of the sixth valve 21, the second end of the sixth valve 21 is connected to one end of the third safety valve joint 23, and the other end of the third safety valve joint 23 is used for being connected to a safety valve to be tested; the other end of the second safety valve connector 22 is an 3/4 inch connector, and the other end of the third safety valve connector is a 1 inch connector.
Because the specifications of the safety valves to be tested are different, the sizes of the interfaces are different, and the joints with various sizes can be used for being connected with the safety valves to be tested with different specifications, so that the use is more convenient; in addition, each safety valve joint is controlled to be opened and closed by a corresponding valve, and can be closed when not in use, so that pressure leakage is prevented.
The second valve 8, the fifth valve 20 and the sixth valve 21 are all three-way ball valves, the number of the first safety valve joints 11, the number of the second safety valve joints 22 and the number of the third safety valve joints 23 are two, and the two first safety valve joints 11 are respectively connected with the second end and the third end of the second valve 8; the two second safety valve joints 22 are respectively connected with the second end and the third end of the fifth valve 20; the two third safety valve joints 23 are respectively connected with the second end and the third end of the sixth valve 21.
The safety valve that awaits measuring of two the same specifications can be detected simultaneously when setting up at every turn testing like this, can promote efficiency of software testing effectively.
The gas collecting device is characterized by further comprising a seventh branch pipe 24, a flange ball valve 25 and a flange reducing interface 26, wherein one end of the seventh branch pipe 24 is connected with the gas collecting pipeline 1, the other end of the seventh branch pipe 24 is provided with a connecting flange 241, one end of the flange ball valve 25 is connected with the connecting flange 241, the other end of the flange ball valve 25 is connected with one end of the flange reducing interface 26, and the other end of the flange reducing interface 26 is used for being connected with a safety valve to be tested.
The flange reducing interface 26 can be used for being connected with a safety valve to be tested with the flange interface, and can be connected with the safety valve to be tested with different calibers by replacing different flange reducing interfaces 26, so that the universality is high; in addition, the volume and the weight of the safety valve to be tested which is usually provided with the flange interface are larger, and because the utility model discloses directly install the gas collecting pipeline 1 on the support 13, the overall height is lower, so when installing and connecting the safety valve to be tested which is larger in volume and weight, only the safety valve to be tested needs to be hoisted to a lower height, which is convenient for a tester to connect the safety valve to be tested with the connecting flange 241 and then detect; in addition, because the hoisting height of the safety valve to be tested is lower, the potential safety hazard can be greatly reduced.
Still include manometer buffer tube 27, manometer buffer tube 27 set up in first manometer 10 with between the other end of first valve 7.
The pressure buffer tube is arranged to buffer the transient impact of compressed air or high-pressure nitrogen to the first pressure gauge 10, so as to protect the first pressure gauge 10.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (7)
1. A detection device of a safety valve is characterized in that: the gas collecting device comprises a gas collecting pipeline, a gas inlet pipeline, a first branch pipe, a second branch pipe, a third branch pipe, a gas inlet valve, a first valve, a second valve, a third valve, a first pressure gauge, a first safety valve joint, a full-open safety valve, a support and a flange cover;
the gas collecting pipeline is arranged on the support, two sealing flanges are respectively arranged on two sides of the gas collecting pipeline, the number of the flange covers is two, and the two flange covers are respectively connected with the sealing flanges on two sides of the gas collecting pipeline;
one end of the air inlet pipeline is connected with the air collecting pipeline, the other end of the air inlet pipeline is connected with one end of the air inlet valve, and the other end of the air inlet valve is connected with an air source; one end of the first branch pipe is connected with the gas collecting pipeline, the other end of the first branch pipe is connected with one end of the first valve, and the other end of the first valve is connected with the first pressure gauge; one end of the second branch pipe is connected with the gas collecting pipeline, the other end of the second branch pipe is connected with the first end of the second valve, the second end of the second valve is connected with one end of the first safety valve connector, and the other end of the first safety valve connector is used for being connected with a safety valve to be tested; one end of the third branch pipe is connected with the gas collecting pipeline, the other end of the third branch pipe is connected with one end of a third valve, and the other end of the third valve is connected with the full-open type safety valve.
2. The inspection device for a safety valve according to claim 1, wherein: the gas collecting device is characterized by further comprising a fourth branch pipe, a fourth valve and a second pressure gauge, wherein one end of the fourth branch pipe is connected with the gas collecting pipeline, the other end of the fourth branch pipe is connected with one end of the fourth valve, and the other end of the fourth valve is connected with the second pressure gauge.
3. The inspection device for a safety valve according to claim 1, wherein: the other end of the first safety valve connector is an 1/2-inch connector.
4. A safety valve detecting device according to claim 3, wherein: the first valve, the second valve, the third valve and the fourth valve are connected in series; one end of the fifth branch pipe is connected with the gas collecting pipeline, the other end of the fifth branch pipe is connected with the first end of the fifth valve, the second end of the fifth valve is connected with one end of the second safety valve connector, and the other end of the second safety valve connector is used for being connected with a safety valve to be tested; one end of the sixth branch pipe is connected with the gas collecting pipeline, the other end of the sixth branch pipe is connected with the first end of the sixth valve, the second end of the sixth valve is connected with one end of the third safety valve connector, and the other end of the third safety valve connector is used for being connected with a safety valve to be tested; the other end of the second safety valve joint is an 3/4-inch connector, and the other end of the third safety valve joint is a 1-inch connector.
5. The inspection device for a safety valve according to claim 4, wherein: the second valve, the fifth valve and the sixth valve are all three-way ball valves, the number of the first safety valve joints, the number of the second safety valve joints and the number of the third safety valve joints are two, and the two first safety valve joints are respectively connected with the second end and the third end of the second valve; the two second safety valve joints are respectively connected with the second end and the third end of the fifth valve; and the two third safety valve joints are respectively connected with the second end and the third end of the sixth valve.
6. The inspection device for a safety valve according to claim 5, wherein: the gas collecting device is characterized by further comprising a seventh branch pipe, a flange ball valve and a flange variable-diameter interface, wherein one end of the seventh branch pipe is connected with the gas collecting pipeline, the other end of the seventh branch pipe is provided with a connecting flange, one end of the flange ball valve is connected with the connecting flange, the other end of the flange ball valve is connected with one end of the flange variable-diameter interface, and the other end of the flange variable-diameter interface is used for being connected with a safety valve to be detected.
7. The inspection device for a safety valve according to claim 5, wherein: still include the manometer buffer tube, the manometer buffer tube set up in first manometer with between the other end of first valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921539211.7U CN210719691U (en) | 2019-09-16 | 2019-09-16 | Detection apparatus for relief valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921539211.7U CN210719691U (en) | 2019-09-16 | 2019-09-16 | Detection apparatus for relief valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210719691U true CN210719691U (en) | 2020-06-09 |
Family
ID=70931636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921539211.7U Active CN210719691U (en) | 2019-09-16 | 2019-09-16 | Detection apparatus for relief valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210719691U (en) |
-
2019
- 2019-09-16 CN CN201921539211.7U patent/CN210719691U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204387696U (en) | Pipeline gas leak detecting device | |
CN207263399U (en) | A kind of multistation valve airtight detection apparatus | |
CN104595726A (en) | Natural gas pipeline system having leakage warming function | |
CN203396572U (en) | Multi-station valve pressure test device | |
CN204387697U (en) | Pipeline gas leak detecting device | |
CN103940559A (en) | Leak detection device for valve | |
CN103196637B (en) | With the sterile gloves leakage detection apparatus of safety interlocking | |
CN210719691U (en) | Detection apparatus for relief valve | |
CN203132803U (en) | Sterile glove leak detection device | |
CN203433733U (en) | Simulation apparatus for chemical disaster accident | |
CN104897471A (en) | Distribution structure of sensors on steel pipe and static hydraulic bursting test method adopting distribution structure | |
CN201788069U (en) | Gas-filled cable detecting device | |
CN207364493U (en) | Rigid conduit pressure sealing structure | |
CN202974578U (en) | Pressure test device for pipeline tightness | |
CN110966521A (en) | Storage device for inflammable gas | |
CN207318008U (en) | A kind of sealing device for aircraft conduit seal tightness test | |
CN211528321U (en) | Pipeline gas detection device | |
CN210221405U (en) | Comprehensive experiment device for airplane guide pipe | |
CN207908118U (en) | The airtight testing stand of high pressure | |
CN103234716B (en) | A kind of single use intravenous infusion needle gas examines instrument | |
CN208596077U (en) | A kind of high pressure charge and discharge rubber lined hose strength test device | |
CN207163674U (en) | A kind of outer tooth S type elbow airtight detecting apparatus of reducing | |
CN208860561U (en) | A kind of pressure vessel leak detecting device | |
CN204511366U (en) | The close button of a kind of anti-flush gas detects packer | |
CN207335954U (en) | A kind of pressure release valve device suitable for pressure gauge |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |