CN215338511U - Sound velocity nozzle gas flow precision detection device - Google Patents
Sound velocity nozzle gas flow precision detection device Download PDFInfo
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- CN215338511U CN215338511U CN202120915046.1U CN202120915046U CN215338511U CN 215338511 U CN215338511 U CN 215338511U CN 202120915046 U CN202120915046 U CN 202120915046U CN 215338511 U CN215338511 U CN 215338511U
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- gas flow
- sonic nozzle
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Abstract
The utility model discloses a sound velocity nozzle gas flow precision detection device which comprises a gas purifying device, wherein a gas collecting device is arranged outside the gas purifying device, a first exhaust device is arranged outside the gas collecting device, a second exhaust device is arranged outside the first exhaust device, a first flowmeter is arranged at the joint of the first exhaust device and the gas collecting device, a second flowmeter is arranged at the joint of the first exhaust device and the second exhaust device, a connecting pipeline is arranged outside the second exhaust device, a sound velocity nozzle is arranged inside the connecting pipeline, a gas collecting pipeline is connected outside the sound velocity nozzle, and a third flowmeter is arranged inside the gas collecting pipeline. This sonic nozzle gas flow accuracy testing device just carries out the secondary exhaust through exhausting after purifying gas, and all detects through the flowmeter that is equipped with when exhausting at every turn, has improved sonic nozzle gas flow accuracy testing device to gas flow accuracy testing's accuracy nature and scientific nature.
Description
Technical Field
The utility model relates to the technical field of gas flow precision detection, in particular to a device for detecting the gas flow precision of a sonic nozzle.
Background
The research and application of the flow detection device are important foundations of the development of the flow metering test technology, the general attention of all countries is attracted, and the gas flow detection device adopting the sonic nozzle as the standard meter has numerous advantages. The existing gas flow precision detection device for the sonic nozzle cannot exhaust gas after gas purification, and the exhaust frequency is low, so that the frequency of gas flow precision detection is low, and the precision and the scientificity of the gas flow precision detection device for the sonic nozzle are reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the gas flow precision of a sonic nozzle, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a sonic nozzle gas flow accuracy testing device, includes the gas purification equipment, one side of gas purification equipment is equipped with air inlet unit, the opposite side of gas purification equipment is equipped with air outlet means, the outside of gas purification equipment is equipped with gas collecting equipment, gas collecting equipment with gas purification equipment connects through air outlet means, the outside of gas collecting equipment is equipped with exhaust apparatus one, exhaust apparatus one's outside is equipped with exhaust apparatus two, exhaust apparatus one with the junction of gas collecting equipment is equipped with flowmeter one, exhaust apparatus one with the junction of exhaust apparatus two is equipped with flowmeter two, the outside of exhaust apparatus two is equipped with the connecting tube, the inside of connecting tube is equipped with the sonic nozzle, the external connection of sonic nozzle is equipped with the gas collecting pipeline, the inside of gas collecting pipeline is equipped with flowmeter three.
As a preferred embodiment of the present invention, a waste gas discharge port is arranged at the bottom of the gas purification equipment, a waste gas discharge pipeline is arranged inside the waste gas discharge port, and a first valve is arranged at a connection position of the waste gas discharge pipeline and the gas purification equipment.
In a preferred embodiment of the present invention, the bottom of the air purification apparatus is provided with a mounting base, and the exhaust gas duct is embedded inside the mounting base and connected by a screw thread.
In a preferred embodiment of the present invention, pressure stabilizing structures are disposed inside the first exhaust equipment and the second exhaust equipment.
In a preferred embodiment of the present invention, a mounting bracket is disposed outside the air outlet device, and the bottom of the mounting bracket and the mounting base are fixed by a bolt and a nut.
Compared with the prior art, the utility model has the following beneficial effects:
this sonic nozzle gas flow accuracy testing device just carries out the secondary exhaust through exhausting after purifying gas, and all detects through the flowmeter that is equipped with when exhausting at every turn, has improved sonic nozzle gas flow accuracy testing device to gas flow accuracy testing's accuracy nature and scientific nature.
Drawings
Fig. 1 is a front view of a gas flow precision detecting device of a sonic nozzle according to the present invention.
In the figure, a gas purifying device 1, a gas inlet device 2, a gas outlet device 3, a gas collecting device 4, a first gas discharging device 5, a second gas discharging device 6, a second flow meter 7, a connecting pipeline 8, a sonic nozzle 9, a gas collecting pipeline 10, a third flow meter 11, a waste gas discharging port 12, a waste gas discharging pipeline 13, a first valve 14, a mounting base 15, a pressure stabilizing structure 16, a mounting bracket 17 and a first flow meter 18 are arranged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a sound velocity nozzle gas flow precision detection device comprises a gas purifying device 1, wherein one side of the gas purifying device 1 is provided with a gas inlet device 2, the other side of the gas purifying device 1 is provided with a gas outlet device 3, the outside of the gas purifying device 1 is provided with a gas collecting device 4, the gas collecting device 4 is connected with the gas purifying device 1 through the gas outlet device, the outside of the gas collecting device 4 is provided with a first exhaust device 5, the outside of the first exhaust device 5 is provided with a second exhaust device 6, the joint of the first exhaust device 5 and the gas collecting device 4 is provided with a first flow meter 18, the joint of the first exhaust device 5 and the second exhaust device 6 is provided with a second flow meter 7, the outside of the second exhaust device 6 is provided with a connecting pipeline 8, the inside of the connecting pipeline 8 is provided with a sound velocity nozzle 9, and the outside of the sound velocity nozzle 9 is connected with a gas collecting pipeline 10, and a third flowmeter 11 is arranged inside the gas collecting pipeline 10.
Referring to fig. 1, a waste gas discharge port 12 is disposed at the bottom of the gas purification apparatus 1, a waste gas discharge pipeline 13 is disposed inside the waste gas discharge port 12, a first valve 14 is disposed at a connection position of the waste gas discharge pipeline 13 and the gas purification apparatus 1, and waste gas is conveniently discharged from the gas purification apparatus 1 through the added waste gas discharge port 12.
Referring to fig. 1, the bottom of the gas purifying device 1 is provided with an installation base 15, the exhaust gas pipeline 13 is embedded in the installation base 15 and connected through threads, and convenience in installation of each component of the sonic nozzle gas flow precision detection device can be improved through the additionally arranged installation base 15.
Referring to fig. 1, the pressure stabilizing structures 16 are disposed inside the first exhaust equipment 5 and the second exhaust equipment 6, and the safety of the first exhaust equipment 5 and the second exhaust equipment 6 can be improved by the additional pressure stabilizing structures 16.
Referring to fig. 1, an installation support 17 is arranged outside the gas outlet device 3, the bottom of the installation support 17 is fixed to the installation base 15 through bolts and nuts, the gas outlet device 3 is convenient to install through the additionally arranged installation support 17, and convenience in installation of the gas outlet device 3 and stability of the gas outlet device 3 in the using process are improved.
The gas purifying equipment 1, the gas inlet device 2, the gas outlet device 3, the gas collecting equipment 4, the first gas discharging equipment 5, the second gas discharging equipment 6, the second flowmeter 7, the connecting pipeline 8, the sonic nozzle 9, the gas collecting pipeline 10, the third flowmeter 11, the waste gas discharging port 12, the waste gas discharging pipeline 13, the first valve 14, the mounting base 15, the pressure stabilizing structure 16 and the first flowmeter 18 mounting bracket 17 of the utility model are all universal standard parts or parts known by technicians in the field, the structure and the principle of the device can be known by technical manuals or conventional experimental methods, and the device solves the problems that the existing gas flow precision detection device of the sonic nozzle cannot purify gas and then exhaust the gas, and the number of times of air exhaust is less, so that the number of times of gas flow precision detection is less, and the problems of accuracy and scientificity of the gas flow precision detection device of the sonic nozzle are solved. The gas flow precision detection device for the sonic nozzle provided by the utility model exhausts after purifying the gas, performs secondary exhaust, and detects the gas flow precision through the flow meter arranged in each exhaust, so that the precision and the scientificity of the gas flow precision detection device for the sonic nozzle are improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a sonic nozzle gas flow accuracy testing device which characterized in that: the device comprises a gas purifying device (1), wherein a gas inlet device (2) is arranged on one side of the gas purifying device (1), a gas outlet device (3) is arranged on the other side of the gas purifying device (1), a gas collecting device (4) is arranged outside the gas purifying device (1), the gas collecting device (4) is connected with the gas purifying device (1) through the gas outlet device, a first exhaust device (5) is arranged outside the gas collecting device (4), a second exhaust device (6) is arranged outside the first exhaust device (5), a first flowmeter (18) is arranged at the joint of the first exhaust device (5) and the second exhaust device (4), a second flowmeter (7) is arranged at the joint of the first exhaust device (5) and the second exhaust device (6), a connecting pipeline (8) is arranged outside the second exhaust device (6), and a sound velocity nozzle (9) is arranged inside the connecting pipeline (8), and a gas collecting pipeline (10) is connected to the outside of the sonic nozzle (9), and a third flowmeter (11) is arranged inside the gas collecting pipeline (10).
2. The gas flow accuracy detecting device for the sonic nozzle according to claim 1, wherein: the bottom of gas purification equipment (1) is equipped with waste gas discharge port (12), the inside of waste gas discharge port (12) is equipped with exhaust gas pipeline (13), exhaust gas pipeline (13) with the junction of gas purification equipment (1) is equipped with valve (14).
3. The gas flow accuracy detecting device for the sonic nozzle according to claim 1, wherein: the bottom of the gas purifying equipment (1) is provided with an installation base (15), and an exhaust gas pipeline (13) is embedded in the installation base (15) and is in threaded connection.
4. The gas flow accuracy detecting device for the sonic nozzle according to claim 1, wherein: and pressure stabilizing structures (16) are arranged in the first exhaust equipment (5) and the second exhaust equipment (6).
5. The gas flow accuracy detecting device for the sonic nozzle according to claim 1, wherein: and a mounting bracket (17) is arranged outside the air outlet device (3), and the bottom of the mounting bracket (17) is fixed with the mounting base (15) through bolts and nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915046.1U CN215338511U (en) | 2021-04-29 | 2021-04-29 | Sound velocity nozzle gas flow precision detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120915046.1U CN215338511U (en) | 2021-04-29 | 2021-04-29 | Sound velocity nozzle gas flow precision detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338511U true CN215338511U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120915046.1U Active CN215338511U (en) | 2021-04-29 | 2021-04-29 | Sound velocity nozzle gas flow precision detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215338511U (en) |
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2021
- 2021-04-29 CN CN202120915046.1U patent/CN215338511U/en active Active
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