CN219201501U

CN219201501U - Gas analyzer air chamber blowback device

Info

Publication number: CN219201501U
Application number: CN202223010885.2U
Authority: CN
Inventors: 马占魁
Original assignee: Shiyi Ecological Technology Beijing Co ltd
Current assignee: Shiyi Ecological Technology Beijing Co ltd
Priority date: 2022-11-13
Filing date: 2022-11-13
Publication date: 2023-06-16
Anticipated expiration: 2032-11-13

Abstract

The utility model discloses a gas chamber blowback device of a gas analyzer, which comprises a base, wherein a scavenging chamber is arranged in the base, an air inlet pipe and a first air outlet pipe are fixedly connected to the side wall of the base, the air inlet pipe and the first air outlet pipe are symmetrically arranged, a blowback air pipe is fixedly connected to the side wall of the base, one end of the blowback air pipe is fixedly connected with a blowback air pump, one end of the first air outlet pipe is fixedly connected with a purifying box, the purifying box is arranged in an upper opening mode, a sensor is fixedly connected to the inner side wall of the purifying box, and the purifying box is provided with a purifying device. The utility model solves the problems that the conventional electrochemical analyzer sensor cannot be normally used in a short time and the service life of the sensor is shortened due to the over-range use of the sensor, and the sensor is protected from being polluted by the gas with too high concentration by introducing the blowback gas timely and rapidly through the unique air chamber design, so that the service life of the sensor is prolonged.

Description

Gas analyzer air chamber blowback device

Technical Field

The utility model relates to the technical field of gas analyzers, in particular to a back blowing device of a gas chamber of a gas analyzer.

Background

The gas analyzer is a flow analysis meter that measures a gas component.

For example, chinese patent application No. 201520940302.7 discloses a gas analyzer detecting air chamber, which comprises a front air chamber and a rear air chamber, wherein the front air chamber and the rear air chamber are connected by a clip, the end parts of the front air chamber and the rear air chamber connected are protruding, and the protruding is matched with an inner groove of the clip.

However, in the above scheme, when one or more gases in the measured gas exceeds the measuring range of the sensor, the sensor is poisoned and disabled, the instrument restarting device must be closed and the device can be reused after long waiting time, and the process is long and complex.

Disclosure of Invention

The utility model provides a back-blowing device for an air chamber of a gas analyzer, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a gas analyzer air chamber blowback device, includes the base, the scavenging chamber has been seted up to the inside base, fixedly connected with intake pipe and first outlet duct on the lateral wall of base, the intake pipe with first outlet duct is the symmetry setting, fixedly connected with blowback trachea on the lateral wall of base, the one end fixedly connected with blowback air pump of blowback tracheal, the one end fixedly connected with purifying box of first outlet duct, the purifying box is the upper shed setting, fixedly connected with sensor on the inside wall of purifying box, be equipped with purifier on the purifying box, fixedly connected with second outlet duct on the lateral wall of purifying box, fixedly connected with fan on the inside wall of second outlet duct.

As a further improvement scheme of the technical scheme: the purifying device comprises a cover plate, the cover plate is positioned on the purifying box, the active carbon placing box and two photocatalyst filter layers are sequentially and fixedly connected to the bottom side wall of the cover plate, a plurality of symmetrically arranged fixing frames are fixedly connected to the side wall of the purifying box, a plurality of ultraviolet disinfection lamps are fixedly connected to the side wall between every two fixing frames, and the ultraviolet disinfection lamps are positioned in the middle of the two photocatalyst filter layers.

As a further improvement scheme of the technical scheme: the active carbon placing box is characterized in that a cavity is formed in the active carbon placing box, active carbon particles are placed in the cavity, and a plurality of ventilation holes which are arranged in a penetrating mode are formed in the side wall of the active carbon placing box.

As a further improvement scheme of the technical scheme: the side wall of the scavenging chamber is fixedly connected with a pipeline, a plurality of air outlet holes are formed in the side mark row of the pipeline, and one end of the back blowing air pipe penetrates through the side wall of the pipeline.

As a further improvement scheme of the technical scheme: the pipeline is located below the air inlet pipe and the first air outlet pipe.

As a further improvement scheme of the technical scheme: the number of the ultraviolet disinfection lamps is 3, and the ultraviolet disinfection lamps are uniformly distributed at intervals along the direction perpendicular to the gas flow.

As a further improvement scheme of the technical scheme: the upper side wall of the cover plate is fixedly connected with a handle, and the handle is in an annular arrangement.

Compared with the prior art, the utility model has the beneficial effects that:

the device overcomes the problems that a conventional electrochemical analyzer sensor is used in an overscan mode, a sensor poisoning instrument cannot be used normally in a short time and the service life of the sensor is shortened due to the fact that the sensor is used in an overscan mode, and the sensor is polluted by the gas with the too high concentration through the unique air chamber design, so that the service life of the sensor is prolonged.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

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 application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic top sectional view of a back blowing device of a gas chamber of a gas analyzer according to the present utility model;

FIG. 2 is a schematic diagram of a schematic side cross-sectional structure of a back-blowing device of a gas chamber of a gas analyzer according to the present utility model;

FIG. 3 is a schematic diagram of a cross-sectional side view of a purge bin in a gas chamber blowback apparatus of a gas analyzer according to the present utility model;

fig. 4 is a perspective view of a back-blowing device for a gas chamber of a gas analyzer according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. an air inlet pipe; 3. a first air outlet pipe; 4. a scavenging chamber; 5. a blowback air pipe; 6. a back-blowing air pump; 7. a purifying box; 8. a sensor; 9. an activated carbon placement box; 10. a chamber; 11. ventilation holes; 12. a fixing frame; 13. an ultraviolet sterilizing lamp; 14. a photocatalyst filter layer; 15. a second air outlet pipe; 16. a fan; 17. a pipe; 18. an air outlet hole; 19. a cover plate; 20. a handle.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, in the embodiment of the utility model, the device comprises a base 1, a scavenging chamber 4 is arranged in the base 1, an air inlet pipe 2 and a first air outlet pipe 3 are fixedly connected to the side wall of the base 1, the air inlet pipe 2 and the first air outlet pipe 3 are symmetrically arranged, a back-blowing air pipe 5 is fixedly connected to the side wall of the base 1, one end of the back-blowing air pipe 5 is fixedly connected with a back-blowing air pump 6, one end of the first air outlet pipe 3 is fixedly connected with a purifying box 7, the purifying box 7 is arranged in an upper opening manner, a sensor 8 is fixedly connected to the inner side wall of the purifying box 7, a purifying device is arranged on the purifying box 7, a second air outlet pipe 15 is fixedly connected to the side wall of the purifying box 7, and a fan 16 is fixedly connected to the inner side wall of the second air outlet pipe 15.

Referring to fig. 1, the purifying device includes a cover plate 19, the cover plate 19 is located on the purifying box 7, the active carbon placing box 9 and two photocatalyst filtering layers 14 are sequentially and fixedly connected to the bottom side wall of the cover plate 19, a plurality of fixing frames 12 which are symmetrically arranged are fixedly connected to the side wall of the purifying box 7, a plurality of ultraviolet sterilizing lamps 13 are fixedly connected to the side wall between every two fixing frames 12, the ultraviolet sterilizing lamps 13 are located between the two photocatalyst filtering layers 14, and the purifying gas is clean in terms of harmful substances.

Referring to fig. 3, a chamber 10 is provided in the activated carbon storage box 9, activated carbon particles are placed in the chamber 10, and a plurality of ventilation holes 11 penetrating through the side wall of the activated carbon storage box 9 are provided to adsorb harmful substances in the gas.

Referring to fig. 2, a pipeline 17 is fixedly connected to the side wall of the scavenging chamber 4, a plurality of air outlet holes 18 are formed in a side mark row of the pipeline 17, one end of the back-blowing air pipe 5 penetrates through the side wall of the pipeline 17, fresh air passes through the pipeline 17 and then comes out of the air outlet holes 18 of the pipeline 17, so that the area and angle of the fresh air are increased, and dilution is accelerated.

Referring to fig. 2, the duct 17 is located below the air inlet pipe 2 and the first air outlet pipe 3, and does not block air circulation between the air inlet pipe 2 and the first air outlet pipe 3.

Referring to fig. 3, the number of the ultraviolet sterilizing lamps 13 is 3, the ultraviolet sterilizing lamps 13 are uniformly distributed at intervals along the direction perpendicular to the gas flowing direction, and the light of the ultraviolet lamp 13 uniformly irradiates on the photocatalyst filter screen 14 to avoid dead angles on the photocatalyst filter screen 5.

Referring to fig. 3, a handle 20 is fixedly connected to an upper side wall of the cover plate 19, and the handle 20 is in a ring shape, so that the cover plate 19 can be pulled up conveniently to repair and clean the internal filter device.

The working principle of the utility model is as follows: firstly, the fan 16 is opened, then the gas enters the scavenging chamber 4 through the gas inlet pipe 2, enters the purifying box 7 through the first gas outlet pipe 3, when the sensor 8 displays an overscan, the back-blowing gas pump 6 is started, the back-blowing gas pump 6 sweeps fresh air into the air chamber 4, high-concentration gas is quickly diluted, the wind power of the fan 16 is increased, the gas in the scavenging chamber 4 is accelerated to be discharged, and after the discharged gas enters the purifying box 7, the gas is subjected to purifying treatment through the adsorption of the active carbon placing box 9 and the degradation of the two photocatalyst filtering layers 14, harmful substances and the like in the gas are purified and discharged again in a mode of combining a plurality of means, and the pollution to air and the injury to experimental staff are reduced.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a gas analyzer air chamber blowback device, includes base (1), its characterized in that, scavenging chamber (4) have been seted up to base (1) inside, fixedly connected with intake pipe (2) and first outlet duct (3) on the lateral wall of base (1), intake pipe (2) with first outlet duct (3) are the symmetry setting, fixedly connected with blowback trachea (5) on the lateral wall of base (1), the one end fixedly connected with blowback air pump (6) of blowback trachea (5), the one end fixedly connected with purifying box (7) of first outlet duct (3), the upper shed sets up for purifying box (7), fixedly connected with sensor (8) on the inside wall of purifying box (7), be equipped with purifier on the purifying box (7), fixedly connected with second outlet duct (15) on the lateral wall of purifying box (7), fixedly connected with fan (16) on the inside wall of second outlet duct (15).

2. The gas chamber blowback device of a gas analyzer according to claim 1, wherein the purifying device comprises a cover plate (19), the cover plate (19) is located on the purifying box (7), an active carbon placing box (9) and two photocatalyst filter layers (14) are sequentially and fixedly connected to the bottom side wall of the cover plate (19), a plurality of symmetrically arranged fixing frames (12) are fixedly connected to the side wall of the purifying box (7), a plurality of ultraviolet disinfection lamps (13) are fixedly connected to the side wall between every two fixing frames (12), and a plurality of ultraviolet disinfection lamps (13) are located between the two photocatalyst filter layers (14).

3. The back-blowing device for the gas chamber of the gas analyzer according to claim 2, wherein a chamber (10) is formed in the activated carbon placing box (9), activated carbon particles are placed in the chamber (10), and a plurality of ventilation holes (11) penetrating through the side wall of the activated carbon placing box (9) are formed.

4. The back-blowing device for the gas chamber of the gas analyzer according to claim 1, wherein a pipeline (17) is fixedly connected to the side wall of the scavenging chamber (4), a plurality of air outlet holes (18) are formed in a side mark row of the pipeline (17), and one end of the back-blowing air pipe (5) penetrates through the side wall of the pipeline (17).

5. A gas cell blowback device according to claim 4, wherein said duct (17) is located below the inlet duct (2) and the first outlet duct (3).

6. The back-blowing device for the gas chamber of the gas analyzer according to claim 2, wherein the number of the ultraviolet sterilizing lamps (13) is 3, and the ultraviolet sterilizing lamps (13) are uniformly distributed at intervals along the direction perpendicular to the gas flow.

7. The back-blowing device for the gas chamber of the gas analyzer according to claim 2, wherein a handle (20) is fixedly connected to the upper side wall of the cover plate (19), and the handle (20) is annularly arranged.