CN216899861U

CN216899861U - Air filter for sampling device of gas analyzer

Info

Publication number: CN216899861U
Application number: CN202220090071.5U
Authority: CN
Inventors: 施振杰; 方凌峰
Original assignee: Anhui Jiamen Photoelectric Technology Co ltd
Current assignee: Anhui Jiamen Photoelectric Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-07-05
Anticipated expiration: 2032-01-13

Abstract

The utility model relates to the technical field of gas analyzers, in particular to an air filter for a sampling device of a gas analyzer, which comprises a base and a gas outlet box, wherein a cylinder body is fixedly arranged at the top of the base, anti-skid grains are arranged on the outer surface of the cylinder body, a connecting sleeve is fixedly arranged at the bottom of the gas outlet box, threads are arranged on the outer surface of the connecting sleeve and the inner surface of the cylinder body, the connecting sleeve is in threaded connection with the cylinder body, a filter cylinder is fixedly arranged at the bottom of the gas outlet box, the filter cylinder is positioned on the inner side of the connecting sleeve, and a connecting nozzle is fixedly arranged at the middle position of the top of the gas outlet box. The utility model has the characteristics of effectively removing the moisture in the gas, avoiding the influence of the moisture contained in the gas on the gas analyzer, accelerating the filtering speed of the gas and reducing the filtering time of the gas.

Description

Air filter for sampling device of gas analyzer

Technical Field

The utility model relates to the technical field of gas analyzers, in particular to an air filter for a sampling device of a gas analyzer.

Background

The gas analyzer is a flow analyzer capable of measuring gas components, and mainly measures the types of gases in the environment by using a gas sensor, and the gas analyzer includes a thermal conductivity type gas analyzer, an electrochemical type gas analyzer, an infrared absorption type gas analyzer, and the like.

At present, the air filter of some gas analyzer sampling devices cannot effectively remove moisture in the air, so that when the gas analyzer analyzes gas, the moisture in the air can cause elements inside the gas analyzer to be damaged, thereby causing unnecessary loss, and when some air filters filter gas, the gas can cause a slow flow rate due to the blocking of a filter screen, thereby causing a low filtering efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an air filter for a sampling device of a gas analyzer, which comprises a base and a gas outlet box, wherein a cylinder body is fixedly arranged at the top of the base, anti-skid grains are arranged on the outer surface of the cylinder body, a connecting sleeve is fixedly arranged at the bottom of the gas outlet box, threads are arranged on the outer surface of the connecting sleeve and the inner surface of the cylinder body, the connecting sleeve is in threaded connection with the cylinder body, a filter cartridge is fixedly arranged at the bottom of the gas outlet box, the filter cartridge is positioned at the inner side of the connecting sleeve, and a connecting nozzle is fixedly arranged at the middle position of the top of the gas outlet box.

As a preferable technical scheme of the utility model, a blocking ring is fixedly arranged on the outer surface of the cylinder body, a filter cover is fixedly arranged at the bottom of the air outlet box, a plurality of air inlets are circumferentially arranged above the outer surface of the cylinder body at equal intervals, and the air inlets are all positioned above the blocking ring.

As a preferable technical scheme of the utility model, a plurality of heating wires are fixedly arranged on the inner surface of the cylinder body at equal intervals on the circumference, and the bottom of the inner side of the cylinder body is provided with absorbent cotton.

As a preferable technical scheme of the present invention, a vent is formed at the bottom of the air outlet box, the air outlet box is communicated with the inside of the filter cartridge through the vent, and a fan is fixedly installed inside the air outlet box.

As a preferred technical solution of the present invention, two mounting cylinders are arranged inside the filter cartridge, a second connecting rod is fixedly mounted between the two mounting cylinders, a first connecting rod is fixedly mounted at the bottom of the mounting cylinder below the inside of the filter cartridge, and a pull ring is fixedly mounted at the bottom end of the first connecting rod.

As a preferred technical scheme, filter elements are arranged inside the two mounting cylinders, placing openings are formed in the front faces of the two mounting cylinders, and a plurality of fan-shaped ventilation grooves are formed in the circumferences of the tops and the bottoms of the two mounting cylinders at equal intervals.

The beneficial effects of the utility model are:

after the inside of gaseous entering barrel, gaseous will be heated by the heater strip for moisture in the gas reduces, and along with gaseous flow, gaseous will get into the inside of cartridge filter through the cotton moisture absorption, and the moisture in the gas can further be got rid of to the cotton moisture absorption, avoids the moisture that contains in the gas to cause the influence to gas analysis appearance.

When carrying out gas collection, the user can start the fan, and the fan will be bled from the inside of cartridge filter this moment for the velocity of flow of cartridge filter inside air to improve gaseous filtration rate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall construction of an air filter for a sampling device of a gas analyzer according to the present invention;

FIG. 2 is a schematic view of the internal structure of an air filter for a sampling device of a gas analyzer according to the present invention;

FIG. 3 is a schematic structural view of an air filter mounting cartridge for a sampling device of a gas analyzer according to the present invention;

in the figure: 1. a base; 2. anti-skid lines; 3. a barrel; 4. a blocking ring; 5. a filter housing; 6. an air outlet box; 7. a connecting nozzle; 8. moisture absorption cotton; 9. a first connecting rod; 10. a second connecting rod; 11. an air inlet; 12. connecting sleeves; 13. a fan; 14. a vent; 15. mounting the cylinder; 16. a filter element; 17. a filter cartridge; 18. heating wires; 19. a placement port; 20. and (4) ventilating grooves.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an air cleaner technical scheme for gas analysis appearance sampling device, includes base 1 and the box 6 of giving vent to anger, and the top fixed mounting of base 1 has barrel 3, and the surface of barrel 3 is provided with anti-skidding line 2, through the anti-skidding line 2 that sets up, can be convenient for the user to take barrel 3.

The bottom of the air outlet box 6 is fixedly provided with a connecting sleeve 12, the outer surface of the connecting sleeve 12 and the inner surface of the cylinder 3 are provided with threads, the connecting sleeve 12 is in threaded connection with the cylinder 3, and when the filter element 16 needs to be replaced, the air outlet box 6 can be rotated, so that the connecting sleeve 12 is separated from the cylinder 3, and the filter cartridge 17 is taken out of the cylinder 3.

Go out the bottom fixed mounting of gas box 6 and have a cartridge filter 17, cartridge filter 17 is located the inboard of adapter sleeve 12, and the intermediate position department fixed mounting who gives vent to anger the top of box 6 connects mouth 7, and after sampling device's breathing pipe and connection mouth 7 were connected, sampling device accessible was connected mouth 7 and is breathed in.

The outer fixed surface of barrel 3 installs barrier ring 4, and the bottom fixed mounting of the box 6 of giving vent to anger has filter mantle 5, and a plurality of air inlets 11 have been seted up to the equidistant circumference in top of the surface of barrel 3, and a plurality of air inlets 11 all are located barrier ring 4's top, and filter mantle 5 will filter the large granule impurity that contains in the gas, avoids large granule impurity to get into the inside of barrel 3.

The equidistant circumference fixed mounting of the internal surface of barrel 3 has a plurality of heater strip 18, and the inboard bottom of barrel 3 is provided with the cotton 8 that absorbs moisture, and gas entering will be heated by heater strip 18 behind the inside of barrel 3 for moisture in the gas reduces, and the moisture in the gas can further be got rid of to the cotton 8 that absorbs moisture, and the moisture that contains in the gas is avoided causing the influence to gas analysis appearance.

The blow vent 14 has been seted up to the bottom of going out gas box 6, and the inside intercommunication that goes out gas box 6 and pass through blow vent 14 and cartridge filter 17 has fan 13 for the inside fixed mounting of the box 6 of giving vent to anger, fan 13 start-up back, and fan 13 will be followed cartridge filter 17's inside and bled for the velocity of flow of cartridge filter 17 inside air improves gaseous filter rate.

The inside of cartridge filter 17 is provided with two installation section of thick bamboos 15, and fixed mounting has second connecting rod 10 between two installation section of thick bamboos 15, and the bottom fixed mounting of installation section of thick bamboo 15 of cartridge filter 17 inside below has head rod 9, and the bottom fixed mounting of head rod 9 has the pull ring, can pull the pull ring of head rod 9 bottom, will install a section of thick bamboo 15 and take out from the inside of cartridge filter 17.

The inside of two installation section of thick bamboos 15 all is provided with filter core 16, and the front of two installation sections of thick bamboos 15 has all been seted up and has been placed mouth 19, and the top of two installation sections of thick bamboos 15 is seted up the impartial interval circumference in bottom and is had a plurality of sectorial ventilative groove 20, and through the ventilative groove 20 that sets up, the gas of being convenient for flows through from the inside of installation section of thick bamboo 15, and filter core 16 can filter out the tiny particle dust that contains in the gas.

The working principle is as follows: before use, the safety of each structure of the utility model is checked, wherein the fan 13 is an existing electrical element, the fan can be installed and used according to the actual use requirement, when the air filter for the sampling device of the gas analyzer is used, firstly, the air suction pipe of the sampling device is connected with the connecting nozzle 7, then, the utility model is placed at the position where the gas collection is needed, and the sampling device and the fan 13 are started.

After sampling device and fan 13 start-up, fan 13 will follow cartridge filter 17's inside air bleed, accelerate cartridge filter 17 inside air's velocity of flow, improve gaseous filtration rate, outside gas firstly passes filter mantle 5 and the inside that air inlet 11 got into barrel 3, filter mantle 5 will filter the large granule impurity that contains in the gas, avoid large granule impurity to get into the inside of barrel 3, gas gets into and will be heated by heater strip 18 behind the inside of barrel 3, make the moisture in the gas reduce, along with gaseous flow, gas will get into cartridge filter 17's inside through moisture absorption cotton 8, moisture in the gas can further be got rid of to moisture absorption cotton 8, avoid the moisture that contains in the gas to cause the influence to gas analysis appearance.

After the gas enters the interior of the filter cartridge 17, the two filter elements 16 inside the filter cartridge 17 will perform a final filtration of the gas, filtering out the small particles of dust contained in the gas, which will then be transported from the connection mouth 7 to the sampling device under the action of the blower 13.

When the filter element 16 needs to be replaced, the air outlet box 6 can be rotated, so that the connecting sleeve 12 is separated from the cylinder body 3, the filter cartridge 17 is taken out of the cylinder body 3, then the pull ring at the bottom of the first connecting rod 9 is pulled, the mounting cylinder 15 can be taken out of the interior of the filter cartridge 17, and finally the filter element 16 is taken out of the interior of the mounting cylinder 15 through the placing opening 19 and replaced.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

1. The utility model provides an air cleaner for gas analysis appearance sampling device, includes base (1) and the box of giving vent to anger (6), its characterized in that, the top fixed mounting of base (1) has barrel (3), the surface of barrel (3) is provided with anti-skidding line (2), the bottom fixed mounting of the box of giving vent to anger (6) has adapter sleeve (12), the surface of adapter sleeve (12) with the internal surface of barrel (3) all is provided with the screw thread, adapter sleeve (12) with threaded connection between barrel (3), the bottom fixed mounting of the box of giving vent to anger (6) has cartridge filter (17), cartridge filter (17) are located the inboard of adapter sleeve (12), fixed mounting connection mouth (7) are located to the intermediate position department at the box of giving vent to anger (6) top.

2. The air filter for the sampling device of the gas analyzer according to claim 1, wherein a blocking ring (4) is fixedly installed on the outer surface of the cylinder (3), a filter cover (5) is fixedly installed at the bottom of the gas outlet box (6), a plurality of gas inlets (11) are circumferentially arranged above the outer surface of the cylinder (3) at equal intervals, and the plurality of gas inlets (11) are all located above the blocking ring (4).

3. The air filter for the sampling device of the gas analyzer is characterized in that a plurality of heating wires (18) are fixedly arranged on the inner surface of the cylinder body (3) at equal intervals circumferentially, and the bottom of the inner side of the cylinder body (3) is provided with hygroscopic cotton (8).

4. The air filter for the sampling device of the gas analyzer according to claim 1, wherein a vent hole (14) is opened at the bottom of the gas outlet box (6), the gas outlet box (6) is communicated with the inside of the filter cartridge (17) through the vent hole (14), and a fan (13) is fixedly installed inside the gas outlet box (6).

5. The air filter for the sampling device of the gas analyzer according to claim 1, wherein two installation cylinders (15) are arranged inside the filter cartridge (17), a second connecting rod (10) is fixedly installed between the two installation cylinders (15), a first connecting rod (9) is fixedly installed at the bottom of the installation cylinder (15) below the inside of the filter cartridge (17), and a pull ring is fixedly installed at the bottom end of the first connecting rod (9).

6. The air filter for the sampling device of the gas analyzer is characterized in that the filter element (16) is arranged inside each of the two installation cylinders (15), the front surfaces of the two installation cylinders (15) are provided with placing openings (19), and the circumferences of the top and the bottom of each of the two installation cylinders (15) at equal intervals are provided with a plurality of fan-shaped ventilation grooves (20).