CN214427166U - Auxiliary equipment for pipeline pressure test of gas fire extinguishing system - Google Patents
Auxiliary equipment for pipeline pressure test of gas fire extinguishing system Download PDFInfo
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- CN214427166U CN214427166U CN202120057438.9U CN202120057438U CN214427166U CN 214427166 U CN214427166 U CN 214427166U CN 202120057438 U CN202120057438 U CN 202120057438U CN 214427166 U CN214427166 U CN 214427166U
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Abstract
The application discloses gaseous fire extinguishing systems pipeline pressure test's auxiliary assembly belongs to pressure test technical field, can solve current nitrogen pressure test inefficiency, the higher problem of cost. The auxiliary equipment comprises a tank body, an air inlet pipeline, an air inlet valve, an air outlet pipeline, an air outlet valve, a plurality of first air outlet pipelines and a plurality of first air outlet valves; one end of the air inlet pipeline is communicated with the tank body, the other end of the air inlet pipeline is connected with the air inlet valve, and one end of the air inlet valve, which is far away from the air inlet pipeline, is used for being connected with the nitrogen cylinder; one end of the exhaust pipeline is communicated with the tank body, and the other end of the exhaust pipeline is connected with an exhaust valve so as to realize the exhaust of waste gas; one end of each of the first air outlet pipelines is communicated with the tank body, the other ends of the first air outlet pipelines are respectively connected with a first air outlet valve one by one, and one end, far away from the first air outlet pipelines, of each first air outlet valve is used for being respectively connected with a pipeline of a first gas fire extinguishing system one by one. This application can improve pressure test's efficiency, reduce cost.
Description
Technical Field
The application relates to the technical field of pressure tests, in particular to auxiliary equipment for a pipeline pressure test of a gas fire extinguishing system.
Background
In the current project construction, 95% of power supply rooms adopt gas fire extinguishing systems to extinguish fire. In the event of a fire, the gas fire suppression system would not function as intended, resulting in irreparable losses. Therefore, before the gas fire extinguishing system is used, whether the gas fire extinguishing system is qualified or not is detected so as to ensure the safety of the gas fire extinguishing system in use. The pipe network of the gas fire extinguishing system belongs to a high-pressure pipe network, so that a pressure test is required to test whether the gas fire extinguishing system is qualified or not.
The nitrogen pressure test method for performing pressure test on single pipelines one by using a nitrogen tank is one of pressure test methods of a pipe network of a gas fire extinguishing system, but the method has low pressure test efficiency and higher cost.
Disclosure of Invention
The embodiment of the application provides a gas fire extinguishing system pipeline pressure test's auxiliary assembly, can solve current nitrogen pressure test inefficiency, the higher problem of cost.
The embodiment of the utility model provides auxiliary equipment for pipeline pressure test of a gas fire extinguishing system, which is characterized by comprising a tank body, an air inlet pipeline, an air inlet valve, an air outlet pipeline, an air outlet valve, a plurality of first air outlet pipelines and a plurality of first air outlet valves; one end of the air inlet pipeline is communicated with the tank body, the other end of the air inlet pipeline is connected with the air inlet valve, and one end of the air inlet valve, which is far away from the air inlet pipeline, is used for being connected with a nitrogen cylinder; one end of the exhaust pipeline is communicated with the tank body, and the other end of the exhaust pipeline is connected with the exhaust valve so as to realize the exhaust of waste gas; a plurality of the one end of first gas outlet pipeline all with jar body intercommunication, the uniform one of other end is connected one first gas outlet valve, keeping away from of first gas outlet valve the one end of first gas outlet pipeline is used for respectively the pipeline of a gas fire extinguishing systems one by one.
In one possible implementation, the canister includes a barrel and two seals; the two sealing elements are respectively arranged at two ends of the cylinder body to form a sealed tank body; the air inlet pipeline is arranged on the end face, far away from the tank body, of any one of the sealing elements and is communicated with the tank body; the exhaust pipeline and the plurality of first air outlet pipelines are arranged on the cylinder body and communicated with the tank body.
In one possible implementation, the seal is a pipe plug; inner threads are arranged on the inner walls of the two ends of the cylinder body; the internal thread is matched with the external thread on the pipe plug, so that the pipe plug can seal two ends of the cylinder body.
In a possible implementation, the auxiliary equipment further comprises at least one second gas outlet pipeline and at least one second gas outlet valve; one end of each second air outlet pipeline is communicated with the tank body, and the other end of each second air outlet pipeline is connected with one second air outlet valve one by one; and one end of the second gas outlet valve, which is far away from the second gas outlet pipeline, is used for being respectively connected with pipelines of a second gas fire extinguishing system one by one.
In a possible implementation manner, the exhaust pipeline is disposed on one side of the tank body close to the ground, and the first air outlet pipeline and the second air outlet pipeline are both disposed on the opposite side of the tank body on which the exhaust pipeline is disposed.
In one possible implementation, the intake valve, the exhaust valve, and the first exhaust valve are needle valves.
In a possible implementation manner, the auxiliary device further comprises a pressure measurement pipeline, a third gas outlet valve and a pressure gauge; one end of the pressure measuring pipeline is communicated with the tank body, and the other end of the pressure measuring pipeline is connected with a third gas outlet valve; and one end of the third gas outlet valve, which is far away from the pressure measurement pipeline, is connected with a pressure gauge.
In one possible implementation, the auxiliary device further includes a fixing frame and a fixing member; the tank body is fixedly arranged on the upper plane of the fixing frame through the fixing piece.
In one possible implementation, the auxiliary device further comprises a motion wheel; the moving wheel is arranged on the lower surface of the fixing frame and used for driving the fixing frame to move under the action of external force.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the embodiment of the utility model provides a gas fire extinguishing systems pipeline pressure test's auxiliary assembly, this auxiliary device's the one end and the jar body intercommunication of air inlet pipeline, the other end is connected with the air inlet valve, and the one end of keeping away from the air inlet pipeline of air inlet valve is connected with the nitrogen cylinder. One end of the exhaust pipeline is communicated with the tank body, and the other end of the exhaust pipeline is connected with an exhaust valve so as to realize the exhaust of waste gas. One end of each of the first air outlet pipelines is communicated with the tank body, the other ends of the first air outlet pipelines are respectively connected with one first air outlet valve one by one, and one end, far away from the first air outlet pipelines, of each first air outlet valve is respectively connected with a pipeline of one first gas fire extinguishing system one by one, so that the tank body can be communicated with the pipelines of the plurality of gas fire extinguishing systems simultaneously.
When nitrogen pressure test, open air inlet valve and a plurality of first air outlet valve, close the air vent valve, nitrogen gas gets into jar body back from the air inlet pipeline, again through a plurality of first air outlet pipeline input respectively this first air extinguishing systems's that go out the air pipe way pipeline and correspond respectively pipeline, nitrogen gas bottle has only been realized from air inlet pipeline input nitrogen gas, just once only supply nitrogen gas for a plurality of first air extinguishing systems's pipeline simultaneously, thereby realized that once only can carry out a plurality of gas extinguishing systems ' pressure test simultaneously, and then improved pressure test efficiency, the cost is reduced. When the nitrogen pressure test of the first gas fire extinguishing system is completed, the air inlet valve is closed, the exhaust valve is opened, the first air outlet valve is kept open, and pressure test waste gas in the pipeline of the first gas fire extinguishing system can be released from the exhaust pipeline, so that pressure relief is realized, and the safety of the gas fire extinguishing system is ensured. And after the waste gas is released, closing the exhaust valve and the first gas outlet valve, and detaching the auxiliary device to complete the whole nitrogen pressure test process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an auxiliary device for a pipeline pressure test of a gas fire extinguishing system provided by an embodiment of the application.
Icon: 1-an air inlet pipeline; 2-tank body; 21-barrel body; 22-a seal; 3-an air intake valve; 4-an exhaust line; 5-an exhaust valve; 6-a first gas outlet pipeline; 7-a first gas outlet valve; 8-a second outlet pipeline; 9-a second gas outlet valve; 10-a pressure measurement line; 11-a third gas outlet valve; 12-pressure gauge; 13-a fixed frame; 14-a fixing member; 15-moving the wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do 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 thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an embodiment of the present invention provides an auxiliary device for a pipeline pressure test of a gas fire extinguishing system, including a tank body 2, an air inlet pipeline 1, an air inlet valve 3, an air exhaust pipeline 4, an air exhaust valve 5, a plurality of first air outlet pipelines 6 and a plurality of first air outlet valves 7. One end of the air inlet pipeline 1 is communicated with the tank body 2, the other end of the air inlet pipeline is connected with the air inlet valve 3, and one end, far away from the air inlet pipeline 1, of the air inlet valve 3 is used for being connected with the nitrogen gas cylinder. One end of the exhaust pipeline 4 is communicated with the tank body 2, and the other end of the exhaust pipeline is connected with the exhaust valve 5 so as to discharge waste gas. One end of each of the first gas outlet pipelines 6 is communicated with the tank body 2, the other end of each of the first gas outlet pipelines 7 is connected with one first gas outlet valve 7, and one end, far away from the first gas outlet pipelines 6, of each first gas outlet valve 7 is used for being respectively connected with pipelines of one first gas fire extinguishing system one by one, so that the tank body 2 can be communicated with the pipelines of the plurality of gas fire extinguishing systems simultaneously.
Wherein, the technical personnel in the field set up the quantity of first gas outlet pipeline 6 according to the demand when in actual application, through setting up a plurality of first gas outlet pipeline 6, the access point of the pipeline of multiplicable gas fire extinguishing systems to can once only connect a plurality of gas fire extinguishing systems' pipeline simultaneously, improve pressure test efficiency, reduce cost. Figure 1 shows a schematic view of two first outlet lines 6. In order to more accurately control the open/close state of each of the first outlet lines 6, the number of the first outlet valves 7 is the same as the number of the first outlet lines 6, so that the other ends of the plurality of first outlet lines 6 are each connected to one first outlet valve 7.
During the actual pressure test, through the control to air inlet valve 3, exhaust valve 5 and first air outlet valve 7, can control the process of pressure test effectively, can control air input, displacement and the air output in the pressure test process to control first gaseous fire extinguishing systems pressure and rise slowly and descend, reduced pressure test's risk.
The embodiment of the utility model provides a pair of gas fire extinguishing systems pipeline pressure test's auxiliary assembly, when nitrogen pressure test, open air inlet valve 3 and a plurality of first air outlet valve 7, close exhaust valve 5, nitrogen gas gets into jar body 2 back from air inlet pipeline 1, again through a plurality of first air outlet pipeline 6 respectively input this first air extinguishing systems's that goes out air pipeline 6 and correspond respectively pipeline, it only inputs nitrogen gas from air inlet pipeline 1 to have realized the nitrogen cylinder, just can once only supply nitrogen gas for a plurality of first gas extinguishing systems's pipeline simultaneously, thereby realized that once only can carry out a plurality of gas extinguishing systems's pressure test simultaneously, and then improved pressure test efficiency, the cost is reduced. When the nitrogen pressure test of the first gas fire extinguishing system is completed, the air inlet valve 3 is closed, the exhaust valve 5 is opened, the first air outlet valve 7 is kept open, and pressure test waste gas in the pipeline of the first gas fire extinguishing system can be released from the exhaust pipeline 4, so that pressure relief is realized, and the safety of the gas fire extinguishing system is ensured. And after the waste gas is released, closing the exhaust valve 5 and the first gas outlet valve 7, and removing the auxiliary device to complete the whole nitrogen pressure test process.
With continued reference to fig. 1, the can 2 includes a barrel 21 and two seals 22. Two sealing members 22 are respectively provided at both ends of the cylinder 21 to form the sealed can body 2. The air inlet pipeline 1 is arranged on the end face of any one sealing element 22 far away from the tank body 2 and is communicated with the tank body 2. The exhaust pipeline 4 and the first air outlet pipelines 6 are arranged on the cylinder 21 and communicated with the tank body 2.
The tank body 2 comprises a cylinder body 21 and two sealing pieces 22, the tank body 2 can be conveniently manufactured, in practical application, the cylinder body 21 can be manufactured by using DN100 high-pressure seamless steel pipes, and the length of the steel pipes can be intercepted according to the number of the first air outlet pipelines 6 required to be installed in a working site. The high-pressure seamless steel pipe can be made of local materials or old materials on the working site, so that the cost can be saved, and the high-pressure seamless steel pipe is convenient and quick to manufacture.
Specifically, set up the through-hole the same with 6 quantity of first gas outlet pipeline on the pipe wall of this steel pipe, many take the nozzle stub as the gas outlet pipeline, the one end welding of every nozzle stub is in this through-hole department to with jar body 2 intercommunication, the other end homogeneous is one and is connected a first gas outlet valve 7, the pipeline of a first gas extinguishing systems is connected one by one respectively through high-pressure hose to the one end of keeping away from the nozzle stub of a plurality of first gas outlet valve 7.
Optionally, the seal 22 is a plug. Inner threads are arranged on the inner walls of the two ends of the cylinder body 21; the internal threads are matched with the external threads on the pipe plug, so that the pipe plug can seal the two ends of the cylinder body 21. Wherein, the pipe plug is an external thread pipe fitting for plugging the internal thread at the end part of the pipeline, and is arranged on the internal thread at the two ends of the cylinder body 21. The pipe plug material is easy to obtain, the cost is low, and the tank body 2 can be better sealed, firmer and stronger in pressure bearing capacity through threaded connection. Meanwhile, the pipe plug is in threaded connection with the cylinder body 21, when the pipe plug or the cylinder body 21 is damaged, the damaged parts are convenient to detach and replace, and the undamaged parts can be continuously used, so that resources are saved.
When the sealing element 22 is a pipe plug, a through hole is arranged on any one pipe plug, a short pipe with a screw head is used as the air inlet pipeline 1, one end of the short pipe is welded at the through hole and is communicated with the tank body 2, the other end of the short pipe is connected with the air inlet valve 3, and one end of the air inlet valve 3, which is far away from the short pipe, is connected with a nitrogen cylinder through a high-pressure hose.
Of course, the sealing member 22 may also be a sealing plug adapted to extend into the end surface of the barrel 21 to match the inner end surface of the barrel 21. Two sealing plugs are respectively plugged into two ends of the cylinder 21, so that the sealing plugs can seal the two ends of the cylinder 21.
In practical applications, the intake valve 3, the exhaust valve 5 and the first exhaust valve 7 are needle valves. Compared with valves such as gate valves and stop valves, the needle valve has better bearing capacity and sealing performance and is suitable for pipelines for conveying high-pressure gas. Meanwhile, the needle valve has the advantages of convenience in mounting and dismounting, fastening in connection, contribution to fire prevention and explosion prevention, long service life and capability of being accurately adjusted. In practical application, the needle valve is a G-type needle valve, and compared with other needle valves, the G-type needle valve is higher in safety and reliability. Meanwhile, the valve body of the G-shaped needle valve is a high-pressure forging piece, can bear the pressure of 200Mpa at most and is corrosion-resistant. In addition, because the high-pressure hose is connected with or disconnected from one end of the G-shaped needle valve, which is far away from the pipeline, of the G-shaped needle valve in each nitrogen pressure test, the process is repeatedly operated for many times, the valve body of the G-shaped needle valve cannot be damaged, and the service life of the auxiliary device is prolonged.
Gaseous fire extinguishing systems belongs to the high-pressure pipe network, and pipe network strength test pressure is 10.5Mpa, the utility model discloses an auxiliary assembly, reliable connection is firm, can satisfy high compressive strength's requirement.
As shown in fig. 1, the auxiliary equipment further comprises at least one second outlet line 8 and at least one second outlet valve 9. One end of at least one second air outlet pipeline 8 is communicated with the tank body 2, and the other end of the at least one second air outlet pipeline is connected with a second air outlet valve 9 one by one. One end of the second gas outlet valve 9, which is far away from the second gas outlet pipeline 8, is used for being respectively communicated with pipelines of a second gas fire extinguishing system one by one.
Wherein, the second gas outlet valve 9 can be a needle valve, preferably a G-type needle valve. The skilled person sets the number of the second outlet pipes 8 according to the actual application, and fig. 1 shows a schematic diagram of one second outlet pipe 8. In order to more accurately control the open/close state of each second outlet pipe 8, the number of the second outlet valves 9 is the same as the number of the second outlet pipes 8, so that the other end of at least one second outlet pipe 8 is connected to one second outlet valve 9.
During the actual pressure test, through the control to second gas outlet valve 9, can control pressure test's process effectively, can control the gas output in the pressure test process to control the gaseous fire extinguishing systems pressure of second and rise slowly, reduced pressure test's risk.
When in actual use, when the pressure test of the pipeline of the first gas fire extinguishing system connected with the first gas outlet pipeline 6 is finished, the gas inlet valve 3 is closed, the gas exhaust valve 5 is kept closed, the second gas outlet valve 9 is opened again, because the one end of the second gas outlet valve 9, which is far away from the second gas outlet pipeline 8, is communicated with the pipeline of the second gas fire extinguishing system one by one respectively, nitrogen in the pipeline of the first gas fire extinguishing system is input into the pipeline of the second gas fire extinguishing system at the moment, the pressure test is carried out on the second gas fire extinguishing system, the nitrogen used for the pressure test of the first gas fire extinguishing system can be used for the pressure test of the second gas fire extinguishing system again, and then the nitrogen can be reused, the nitrogen resource is fully utilized, and the test cost is saved. Of course, the greater the number of second outlet lines 8, the higher the utilization of nitrogen.
Fig. 1 shows a schematic diagram of a second gas outlet pipeline 8, when in actual manufacturing, when the cylinder 21 is a high-pressure seamless steel pipe, a through hole is further formed in the pipe wall of the steel pipe, a short pipe with a screw head is used as the second gas outlet pipeline 8, one end of the short pipe is welded at the through hole and is communicated with the tank body 2, the other end of the short pipe is connected with a second gas outlet valve 9, and one end of the second gas outlet valve 9, which is far away from the short pipe, is connected with a pipeline of a second gas fire extinguishing system through a high-pressure hose.
As shown in fig. 1, the exhaust pipeline 4 is disposed on one side of the tank 2 close to the ground, so that high-pressure gas is sprayed towards the ground during pressure relief, and the method is safer.
Because first gas outlet pipeline 6 and second gas outlet pipeline 8 are connected with gas fire extinguishing system through high-pressure hose, all set up first gas outlet pipeline 6 and second gas outlet pipeline 8 in the opposite side that sets up exhaust pipe 4 of jar body 2, set up in the upside of jar body 2 promptly, can not lead to high-pressure hose crooked to high-pressure hose's life has been prolonged.
With reference to fig. 1, the auxiliary device provided in the embodiment of the present invention further includes a pressure measurement pipeline 10, a third air outlet valve 11 and a pressure gauge 12. This manometer 12 uses the great shock-resistant manometer of range, and the range is 25Mpa, and when in actual use, manometer 12 can use through the check of check unit.
One end of the pressure measuring pipeline 10 is communicated with the tank body 2, and the other end is connected with a third gas outlet valve 11. The end of the third gas outlet valve 11 far away from the pressure measuring pipeline 10 is connected with a pressure gauge 12. In practice, when the pressure of the pressure test needs to be displayed, the third gas outlet valve 11 is opened, the pressure gauge 12 can display the pressure of the pressure test, and when the pressure of the pressure test does not need to be displayed, the third gas outlet valve 11 is closed.
As shown in fig. 1, the auxiliary device of the present invention further includes a fixing frame 13 and a fixing member 14. The tank body 2 is fixedly arranged on the upper plane of the fixing frame 13 through a fixing piece 14.
Specifically, when the can body 2 includes the cylinder 21, the cylinder 21 is fixedly disposed on the upper plane of the fixing frame 13 through the fixing member 14, and the axis of the cylinder 21 is parallel to the upper surface of the fixing frame 13. In the nitrogen pressure test, the tank body 2 is fixed through the fixing frame 13, so that the tank body 2 does not vibrate in the pressure test, the safety and the stability are realized, and the safety of the pressure test is improved.
The fixing member 14 may be a U-shaped clip, specifically, the outer wall of the tank body 2 is clipped into the groove of the U-shaped clip, and the two ends of the U-shaped clip are sleeved with nuts after passing through the through holes formed in the upper surface of the fixing frame 13, so as to fix the tank body 2.
In practice, the auxiliary device also comprises a moving wheel 15, as shown in fig. 1. The moving wheel 15 is disposed on the lower surface of the fixing frame 13 and is used for driving the fixing frame 13 to move under the action of an external force. Specifically, the moving wheel 15 may be a universal wheel, and fig. 1 shows a schematic view in which four universal wheels are disposed at four corners of the lower surface of the fixed frame 13, thereby facilitating the movement of the auxiliary device.
The utility model discloses working process does: the end of the air inlet valve 3, which is far away from the air inlet pipeline 1, is connected with a nitrogen cylinder, and the ends of the first air outlet valves 7, which are far away from the first air outlet pipelines 6, are respectively connected with pipelines of a first gas fire extinguishing system one by one. During pressure test, open air inlet valve 3 and a plurality of first air outlet valve 7, close exhaust valve 5 and second air outlet valve 9, nitrogen gas gets into jar body 2 back from air inlet pipe way 1, passes through a plurality of first air outlet pipe ways 6 and inputs the pipeline of this first gas fire extinguishing systems that this first air outlet pipe way 6 corresponds respectively again to the realization is to the pressure test of first gas fire extinguishing systems's pipeline.
When the pressure test of the pipeline of the first gas fire extinguishing system is finished, one end of at least one second gas outlet valve 9, which is far away from the second gas outlet pipeline 8, is respectively connected with the pipeline of one second gas fire extinguishing system one by one. At the moment, the air inlet valve 3 is closed, the exhaust valve 5 is kept closed, then the second air outlet valve 9 is opened, nitrogen in the pipeline of the first gas fire extinguishing system is input into the pipeline of the second gas fire extinguishing system, and the second gas fire extinguishing system is subjected to pressure test.
When the pressure tests of the first gas fire extinguishing system and the second fire extinguishing system are completed, the air inlet valve 3 is kept closed, the exhaust valve 5 is opened, the first air outlet valve 7 and the second air outlet valve 9 are kept open, and residual waste gas in the pipeline of the first gas fire extinguishing system and waste gas in the pressure test in the pipeline of the second gas fire extinguishing system can be released from the exhaust pipeline 4. And after the waste gas is released, closing the exhaust valve 5, the first gas outlet valve 7 and the second gas outlet valve 9, and removing the auxiliary device to complete the whole nitrogen pressure test process.
In the pressure test process, when the pressure of the pressure test needs to be displayed, the third gas outlet valve 11 is opened, the pressure gauge 12 can display the pressure of the pressure test, and when the pressure of the pressure test does not need to be displayed, the third gas outlet valve 11 is closed.
The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.
Claims (9)
1. Auxiliary equipment for pipeline pressure test of a gas fire extinguishing system is characterized by comprising a tank body, an air inlet pipeline, an air inlet valve, an air outlet pipeline, an air outlet valve, a plurality of first air outlet pipelines and a plurality of first air outlet valves;
one end of the air inlet pipeline is communicated with the tank body, the other end of the air inlet pipeline is connected with the air inlet valve, and one end of the air inlet valve, which is far away from the air inlet pipeline, is used for being connected with a nitrogen cylinder;
one end of the exhaust pipeline is communicated with the tank body, and the other end of the exhaust pipeline is connected with the exhaust valve so as to realize the exhaust of waste gas;
a plurality of the one end of first gas outlet pipeline all with jar body intercommunication, the uniform one of other end is connected one first gas outlet valve, keeping away from of first gas outlet valve the one end of first gas outlet pipeline is used for respectively the pipeline of a gas fire extinguishing systems one by one.
2. The accessory of claim 1, wherein the canister comprises a barrel and two seals;
the two sealing elements are respectively arranged at two ends of the cylinder body to form a sealed tank body;
the air inlet pipeline is arranged on the end face, far away from the tank body, of any one of the sealing elements and is communicated with the tank body;
the exhaust pipeline and the plurality of first air outlet pipelines are arranged on the cylinder body and communicated with the tank body.
3. The accessory of claim 2, wherein the seal is a spigot;
inner threads are arranged on the inner walls of the two ends of the cylinder body;
the internal thread is matched with the external thread on the pipe plug, so that the pipe plug can seal two ends of the cylinder body.
4. The auxiliary equipment of claim 1 further comprising at least one second gas outlet line and at least one second gas outlet valve;
one end of each second air outlet pipeline is communicated with the tank body, and the other end of each second air outlet pipeline is connected with one second air outlet valve one by one;
and one end of the second gas outlet valve, which is far away from the second gas outlet pipeline, is used for being respectively connected with pipelines of a second gas fire extinguishing system one by one.
5. Auxiliary equipment as claimed in claim 4, wherein the exhaust duct is provided on the side of the tank adjacent the ground, the first outlet duct and the second outlet duct both being provided on opposite sides of the tank on which the exhaust duct is provided.
6. The auxiliary device of claim 1, wherein the inlet valve, the outlet valve, and the first outlet valve are needle valves.
7. The auxiliary equipment of claim 1, further comprising a pressure measurement line, a third gas outlet valve and a pressure gauge;
one end of the pressure measuring pipeline is communicated with the tank body, and the other end of the pressure measuring pipeline is connected with a third gas outlet valve;
and one end of the third gas outlet valve, which is far away from the pressure measurement pipeline, is connected with a pressure gauge.
8. The accessory of claim 1, further comprising a mount and a fastener;
the tank body is fixedly arranged on the upper plane of the fixing frame through the fixing piece.
9. The accessory of claim 8, further comprising a motion wheel;
the moving wheel is arranged on the lower surface of the fixing frame and used for driving the fixing frame to move under the action of external force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057438.9U CN214427166U (en) | 2021-01-07 | 2021-01-07 | Auxiliary equipment for pipeline pressure test of gas fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120057438.9U CN214427166U (en) | 2021-01-07 | 2021-01-07 | Auxiliary equipment for pipeline pressure test of gas fire extinguishing system |
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| Publication Number | Publication Date |
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| CN214427166U true CN214427166U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120057438.9U Active CN214427166U (en) | 2021-01-07 | 2021-01-07 | Auxiliary equipment for pipeline pressure test of gas fire extinguishing system |
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| CN (1) | CN214427166U (en) |
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2021
- 2021-01-07 CN CN202120057438.9U patent/CN214427166U/en active Active
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