CN224051702U - Multi-pressure multi-flow-speed high-pressure gas diffusion device - Google Patents

Abstract

The utility model relates to a multi-pressure multi-flow-speed high-pressure gas diffusion device which is characterized by comprising a sleeve, an air inlet nozzle, a probe, a three-way joint and a high-efficiency filter, wherein two ends of the sleeve are respectively arranged on a support, the air inlet nozzle is arranged at one end port of the sleeve, the other end port of the sleeve is connected with the three-way joint, the other two interfaces of the three-way joint are respectively connected with the high-efficiency filter and the probe, and the front end of the probe extends into the sleeve.

Description

Multi-pressure multi-flow-speed high-pressure gas diffusion device

Technical Field

The utility model relates to the technical field of gas detection, in particular to a multi-pressure multi-flow-speed high-pressure gas diffusion device.

Background

With the continued development of society, atmospheric pressure detection devices, such as gas particle detection devices, are now being used to measure particle size, number concentration and number and also particle size distribution of suspended particles in a gas.

However, the air inlet of the normal pressure detecting device requires the air to be in a normal pressure state, which results in that the high pressure air or the air with unstable flow rate cannot be used, and the limitation of use is caused, the multi-pressure multi-flow-rate high-pressure gas diffusion device is arranged at the air inlet end of the normal-pressure detection equipment, the air is sampled by using an isokinetic sampling method, and redundant gas is discharged out of a system, so that the aim of reducing the pressure of the high-pressure gas is fulfilled, and the gas is conveyed into the gas detection equipment.

Disclosure of utility model

According to the technical problems, the utility model provides a multi-pressure multi-flow-rate high-pressure gas diffusion device, which uses an isokinetic sampling method to sample and discharges redundant gas out of a system so as to realize the purpose of decompressing high-pressure gas, and the gas is conveyed into gas detection equipment.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The multi-pressure multi-flow-speed high-pressure gas diffusion device is characterized by comprising a sleeve, an air inlet nozzle, a probe, a three-way joint and a high-efficiency filter, wherein two ends of the sleeve are respectively arranged on a bracket, the air inlet nozzle is arranged at one end port of the sleeve, the other end port of the sleeve is connected with the three-way joint, the other two interfaces of the three-way joint are respectively connected with the high-efficiency filter and the probe, the front end of the probe extends into the sleeve,

The air inlet nozzle is connected with an air inlet end, and the air inlet end is an air inlet of a high-pressure air source.

Further, the air inlet nozzle is provided with a first sealing ring at the joint of the sleeve, and a second sealing ring is arranged at the joint of the tee joint, the sleeve, the efficient filter and the probe, and the tightness of the joint of the parts is enhanced through the arrangement of the sealing rings.

Further, the tail end of the probe is sequentially provided with a big pagoda joint and a small pagoda joint, the tail end of the probe is connected with the air inlet end of the normal pressure detection equipment through a connecting pipe, and the double pagoda joints can be adapted to the connecting pipes with two different inner diameter sizes.

The utility model has the beneficial effects that:

According to the gas diffusion device designed by the utility model, the double-pagoda joint arranged at the tail end of the probe is connected with the gas inlet of the gas detection equipment through the connecting pipe, a high-pressure gas source enters the sleeve from the gas inlet end, partial gas is sampled by the probe through the isokinetic sampling probe structure and is sent to the gas detection equipment, the instability of output gas particles is reduced, the redundant gas in the sleeve enters the high-efficiency filter, and is filtered by the high-efficiency filter and then discharged out of the device, so that the aim of reducing pressure is fulfilled, and finally, the gas with stable particles and atmospheric pressure and the like is sent into the gas detection equipment, so that the problem that the front end of the current gas detection equipment cannot be connected with the high-pressure gas is solved;

The device designed by the utility model has small volume, can be used immediately after being connected when in use, is convenient to operate, and does not need to carry out operations such as debugging and the like.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-pressure multi-flow-rate high-pressure gas diffusion device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a multi-pressure multi-flow-rate high-pressure gas diffusion device according to the present utility model;

FIG. 3 is a schematic exploded view of a multi-pressure multi-flow-rate high-pressure gas diffusion device according to the present utility model, as shown in FIG. 1, sleeve, 2, bracket, 3, inlet nozzle, 4, inlet end, 5, tee joint, 6, probe, 61, big pagoda joint, 62, small pagoda joint, 7, high efficiency filter, 71, overflow port, 8, first seal ring, 9, second seal ring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in the figure, two ends of the sleeve 1 are respectively arranged on the bracket 2, an air inlet nozzle 3 is arranged at one end port of the sleeve 1, the air inlet nozzle 3 is connected with an air inlet end 4, the air inlet end 4 is an air inlet of a high-pressure air source, a first sealing ring 8 is arranged between the connection of the sleeve 1 and the air inlet nozzle 3, the tightness of the connection part is increased,

The other end port of the sleeve 1 is connected with a three-way joint 5, the other two interfaces of the three-way joint 5 are respectively connected with a high-efficiency filter 7 and a probe 6, the front end of the probe 6 extends into the sleeve 1, the joints of the three-way joint 5, the sleeve 1, the high-efficiency filter 7 and the probe 6 are all provided with a second sealing ring 9, the sealing performance of the joint of the components is enhanced through the arrangement of the second sealing ring 9,

The probe 6 is of a hollow tubular structure, and a big pagoda joint 61 and a small pagoda joint 62 are sequentially arranged at the tail end of the probe 6, when the probe is used, the tail end of the probe 6 needs to be connected with an air inlet of normal pressure detection equipment through a connecting pipe, and two connecting pipes with different inner diameter sizes can be connected in an adaptive mode, wherein the connecting pipes with the inner diameter of 12.7mm (conventional 100L/min detection equipment) and the connecting pipes with the inner diameter of 9.53mm (conventional 50L/min and 28.3L/min detection equipment) are respectively.

It should be noted that, the high-efficiency filter 7 used in the present application is a commercially available device for filtering gas, and mainly comprises a housing and a filter element, and filters the redundant gas that needs to be discharged outside the sleeve, so the detailed description thereof is omitted in the present application.

Example 2

When the utility model is used, the connection with the gas detection equipment through the connecting pipe is realized through the double-pagoda joint arranged at the tail end of the probe 5, the connection and the use are realized,

A high-pressure air source in the pressure range of 1.5bar-8bar enters the sleeve 1 from the air inlet end 4 of the air inlet nozzle 3, partial air can be sampled by the probe 6 in the sleeve 1 and is sent to the air detection equipment, the instability of output air particles is reduced through an equal-power sampling probe structure, excessive air in the sleeve 4 enters the high-efficiency filter 7 from the three-way joint 5, and is filtered by the high-efficiency filter 7 and then discharged out of the device, so that the aim of reducing pressure is fulfilled, and finally the air with stable particles and atmospheric pressure and the like is sent to the air detection equipment, so that the problem that the front end of the existing air detection equipment cannot be connected with the high-pressure air is solved.

It should be noted that the length dimension of the probe 6 extending into the sleeve 1 in the present utility model meets the requirements of the design of the medium power sampling probe in the national standard ISO 8573-4.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Various components mentioned in the present utility model are common in the art, and it should be understood by those skilled in the art that the present utility model is not limited by the above embodiments, and the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications can be made in the present utility model without departing from the spirit and scope of the utility model, which is defined in the claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a many velocity of flow of multi-pressure high-pressure gas diffusion device, its characterized in that includes sleeve, air inlet nozzle, probe, three way connection and high-efficient filter, the telescopic both ends are installed respectively on the support, air inlet nozzle is equipped with to telescopic one end port department, telescopic other end port is connected with three way connection, high-efficient filter and probe are connected respectively to three way connection's two other interfaces, the front end of probe stretches into inside the sleeve.

2. The multi-pressure multi-flow-rate high-pressure gas diffusion device according to claim 1, wherein the gas inlet nozzle is connected with a gas inlet end, and the gas inlet end is a gas inlet of a high-pressure gas source.

3. The multi-pressure multi-flow-rate high-pressure gas diffusion device according to claim 1, wherein a first sealing ring is arranged at the joint of the air inlet nozzle and the sleeve, and a second sealing ring is arranged at the joint of the three-way joint, the sleeve, the high-efficiency filter and the probe.

4. The multi-pressure multi-flow-rate high-pressure gas diffusion device according to claim 1, wherein the end of the probe is sequentially provided with a large pagoda joint and a small pagoda joint.