Multi-pressure multi-flow-velocity high-pressure gas diffusion device
By using a high-pressure gas diffusion device with multiple pressures and flow rates, and employing isodynamic sampling and high-efficiency filters, the problem of atmospheric pressure testing equipment being unable to handle high-pressure gases has been solved, achieving stable gas delivery and pressure reduction, and simplifying the operation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-27
AI Technical Summary
Atmospheric pressure testing equipment cannot effectively handle high-pressure or unstable flow gases, resulting in limitations in its use.
A high-pressure gas diffusion device with multiple pressures and flow rates is designed. It utilizes the isodynamic sampling method to sample through a probe and uses a high-efficiency filter to reduce pressure, thereby achieving stable delivery of high-pressure gas.
It achieves stable delivery of high-pressure gas, solves the problem that atmospheric pressure testing equipment cannot be connected to high-pressure gas, and is easy to operate without the need for debugging.
Smart Images
Figure CN224051702U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas detection technical field especially relates to a kind of multi-pressure multi-flow rate high-pressure gas diffusion device. BACKGROUND
[0002] With the continuous development of society, now will adopt normal pressure detection equipment, such as gas particle detection equipment to measure the particle size, number concentration and number particle size distribution of suspended particles in gas.
[0003] But the gas inlet port of normal pressure detection equipment requires that the gas transported to the equipment is in normal pressure state, which leads to that high-pressure gas or unstable flow rate gas cannot be used, causing the limitation of use, for this purpose, a kind of multi-pressure multi-flow rate high-pressure gas diffusion device is installed in the gas inlet of normal pressure detection equipment, and the purpose of reducing pressure of high-pressure gas is realized by using isokinetic sampling method to sample and discharging excess gas outside the system, and the gas is transported to the gas detection equipment. SUMMARY
[0004] According to the above technical problems, the utility model provides a kind of multi-pressure multi-flow rate high-pressure gas diffusion device, and the purpose of reducing pressure of high-pressure gas is realized by using isokinetic sampling method to sample and discharging excess gas outside the system, and the gas is transported to the gas detection equipment.
[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:
[0006] A kind of multi-pressure multi-flow rate high-pressure gas diffusion device, characterized by including sleeve, gas inlet nozzle, probe, tee joint and high-efficiency filter, the both ends of the sleeve are installed on bracket respectively, the one end port of the sleeve is equipped with gas inlet nozzle, the other end port of the sleeve is connected with tee joint, the other two interfaces of the tee joint are connected with high-efficiency filter and probe respectively, the front end of the probe extends into the sleeve,
[0007] The gas inlet nozzle is connected with gas inlet end, and the gas inlet end is the gas inlet of high-pressure gas source.
[0008] Further, the connection between the gas inlet nozzle and the sleeve is provided with a first sealing ring, and the connections between the tee joint, the high-efficiency filter and the probe are all provided with a second sealing ring, so as to enhance the sealing performance of the component connections by the sealing ring.
[0009] Further, the end of the probe is sequentially provided with a large tower joint and a small tower joint, and the end of the probe is connected with the gas inlet end of the normal pressure detection equipment through a connecting pipe, and the double tower joints can adapt to two connecting pipes with different inner diameters.
[0010] The utility model has the advantages that:
[0011] The gas diffusion device is characterized in that the double-tower joint arranged at the tail end of the probe is connected with the gas inlet of the gas detection equipment through the connecting pipe, the high-pressure gas source enters the sleeve from the gas inlet end, the isokinetic sampling probe structure is used to make the probe sample part of the gas to be sent into the gas detection equipment, the instability of the output gas particles is reduced, the excess gas in the sleeve enters the high-efficiency filter, is filtered by the high-efficiency filter and is discharged outside the device to realize the purpose of pressure reduction, finally, the particles are stable, the gas pressure is equal to the atmospheric pressure, and the gas is sent into the gas detection equipment, thereby solving the problem that the high-pressure gas cannot be connected with the front end of the gas detection equipment.
[0012] The device has the advantages of small size, convenient operation and no need of debugging. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the multi-pressure multi-flow high-pressure gas diffusion device;
[0014] Figure 2 It is a sectional structure schematic view of the multi-pressure multi-flow high-pressure gas diffusion device;
[0015] Figure 3 It is an explosion decomposition structure schematic view of the multi-pressure multi-flow high-pressure gas diffusion device; as shown in the figure: 1. sleeve, 2. support, 3. gas inlet nozzle, 4. gas inlet end, 5. three-way joint, 6. probe, 61. large tower joint, 62. small tower joint, 7. high-efficiency filter, 71. overflow port, 8. first sealing ring, 9. second sealing ring. DETAILED DESCRIPTION
[0016] The technical scheme of the utility model will be described clearly and completely in combination with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0018] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0019] Embodiment 1
[0020] As shown in the figure, the two ends of the sleeve 1 are respectively installed on the support 2, the one end of the sleeve 1 is provided with the air inlet nozzle 3 at the port, the air inlet nozzle 3 is connected with the air inlet end 4, the air inlet end 4 is the air inlet of the high-pressure gas source, and the first sealing ring 8 is arranged between the connection of the sleeve 1 and the air inlet nozzle 3, so as to increase the sealing property of the connection,
[0021] The other end of the sleeve 1 is connected with the tee joint 5, the other two interfaces of the tee joint 5 are respectively connected with the high-efficiency filter 7 and the probe 6, and the front end of the probe 6 extends into the inside of the sleeve 1, and the second sealing ring 9 is arranged at the connection of the tee joint 5, the sleeve 1, the high-efficiency filter 7 and the probe 6, so as to enhance the sealing property of the connection of the components,
[0022] The probe 6 is a hollow tubular structure, a large tower joint 61 and a small tower joint 62 are sequentially arranged at the tail end of the probe 6, when in use, the tail end of the probe 6 needs to be connected with the air inlet of the normal-pressure detection equipment through a connecting pipe, and the two tower joints of different sizes can be connected with the connecting pipes of two different inner diameters, which are a connecting pipe with an inner diameter of 12.7mm (a conventional 100L / min detection equipment) and a connecting pipe with an inner diameter of 9.53mm (a conventional 50L / min, 28.3L / min detection equipment).
[0023] It should be noted that the high efficiency filter 7 used in the present application is a commercially available device for gas filtration, which is mainly composed of a shell and a filter core two parts, and filters the excess gas that needs to be discharged to the sleeve outside, so it is not described in detail in the present application.
[0024] Embodiment 2
[0025] In use of the utility model, the double-pyramid joint provided at the end of the probe 5 is used to realize the connection with the gas detection device through the connecting pipe, realizing the use as soon as connected,
[0026] The high-pressure gas source in the pressure range of 1.5bar-8bar enters the sleeve 1 from the gas inlet end 4 of the gas inlet nozzle 3, and the probe 6 in the sleeve 1 samples part of the gas and sends it to the gas detection device, which reduces the instability of the output gas particles through the isokinetic sampling probe structure, and the excess gas in the sleeve 4 enters the high efficiency filter 7 from the three-way joint 5, and is discharged to the outside of the device after being filtered by the high efficiency filter 7, thereby realizing the purpose of pressure reduction, and finally the gas with stable particles and atmospheric pressure is sent to the gas detection device, solving the problem of the limitation that the front end of the gas detection device cannot be connected to high-pressure gas.
[0027] It should be noted that the length of the probe 6 extending into the sleeve 1 in the utility model is in accordance with the design requirements of the isokinetic sampling probe in the national standard ISO8573-4.
[0028] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. The components mentioned in the utility model are common techniques in the prior art, which should be understood by those skilled in the art. The utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-pressure, multi-flow rate, high pressure gas diffusion device, characterized by The utility model relates to a high-efficiency filter device, which comprises a sleeve, an air inlet nozzle, a probe, a tee joint and high-efficiency filters, both ends of the sleeve are respectively installed on supports, an air inlet nozzle is arranged at the port of one end of the sleeve, the other end port of the sleeve is connected with the tee joint, the other two interfaces of the tee joint are respectively connected with the high-efficiency filters and the probe, and the front end of the probe extends into the sleeve.
2. A multi-pressure, multi-flow rate, high pressure gas diffusion device according to claim 1, wherein The air inlet nozzle is connected with an air inlet end, and the air inlet end is an air inlet of a high-pressure gas source.
3. A multi-pressure, multi-flow rate, high pressure gas diffusion device according to claim 1, wherein First sealing rings are arranged at the connection of the air inlet nozzle and the sleeve, and second sealing rings are arranged at the connections of the tee joint with the sleeve, the high-efficiency filters and the probe.
4. A multi-pressure, multi-flow rate, high pressure gas diffusion device according to claim 1, wherein A large tower joint and a small tower joint are sequentially arranged at the tail end of the probe.