CN215574064U

CN215574064U - Flue gas sampling probe

Info

Publication number: CN215574064U
Application number: CN202121495287.1U
Authority: CN
Inventors: 李志宏
Original assignee: Jiangsu Lihuan Technology Co ltd
Current assignee: Jiangsu Lihuan Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-18
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a flue gas sampling probe which comprises a probe main body, a sampling pipe and an automatic dust removal and filtration assembly, wherein the sampling pipe is arranged on the probe main body, the automatic dust removal and filtration assembly is arranged at the end part, far away from the probe main body, of the sampling pipe, the automatic dust removal and filtration assembly comprises a filter screen, a shaft lever, fan blades and a dust removal brush, the fan blades can rotate under the action of air flow, the dust removal brush can be driven by the shaft lever to clean the filter screen, external threads are arranged at the lower end of the sampling pipe, the automatic dust removal and filtration assembly further comprises a pipe body, internal threads matched with the external threads are formed in the pipe body, a limiting ring is fixedly connected in the pipe body, and a limiting pipe is fixedly connected on the filter screen. The utility model can utilize the high-speed airflow in the flue to drive the dust removing brush to automatically clean the filter screen, can greatly reduce the maintenance and cleaning frequency, and is convenient for prolonging the service time of the flue gas sampling probe.

Description

Flue gas sampling probe

Technical Field

The utility model belongs to the technical field of sampling probes, and particularly relates to a flue gas sampling probe.

Background

The flue gas sampling probe is used for obtaining sample gas from a flue, and because the gas in the flue contains more granular impurities and the flow rate of the flue gas in the flue is very high, the sampling probe primarily filters the sample gas in the flue so as to output the purer sample gas for measurement.

Sampling probe is including stretching into the sampling pipe of flue, generally installs filter screen or other filtering component in the tip of sampling pipe among the prior art and realizes the filtration to graininess impurity, but long-time the use can cause the jam of filter screen, influences the efficiency of sampling, needs regularly or irregularly clear up the maintenance, and is very troublesome.

Therefore, in view of the above technical problems, it is necessary to provide a flue gas sampling probe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flue gas sampling probe to solve the problems.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a flue gas sampling probe comprises a probe body, a sampling pipe and an automatic dust removal and filtration assembly;

sampling pipe installs in the probe main part, and automatic dust removal filter assembly installs the tip of keeping away from the probe main part at sampling pipe, automatic dust removal filter assembly includes filter screen, axostylus axostyle, flabellum and dust removal brush, the flabellum can rotate under the effect of air current to can drive the dust removal brush through the axostylus axostyle and clean the filter screen.

As a further improvement of the utility model, the lower end of the sampling pipe is provided with an external thread, the automatic dust removal and filtration assembly further comprises a pipe body, and an internal thread matched with the external thread is formed inside the pipe body.

As a further improvement of the utility model, the inside of the pipe body is fixedly connected with a limiting ring.

As a further improvement of the utility model, the filter screen is fixedly connected with a limiting pipe, the shaft lever penetrates through the limiting pipe, the upper end of the shaft lever is fixedly connected with a plurality of connecting plates, and a bearing is arranged between each connecting plate and the limiting pipe.

As a further improvement of the utility model, the dust removing brush is fixedly connected with the lower end of the connecting plate, and the dust removing brush is in contact with the filter screen.

As a further improvement of the utility model, the fan blades are fixedly connected to the lower end of the shaft rod, and the fan blades are positioned on the outer side of the pipe body.

Compared with the prior art, the utility model has the following advantages:

the utility model can utilize the high-speed airflow in the flue to drive the dust removing brush to automatically clean the filter screen, can greatly reduce the maintenance and cleaning frequency, and is convenient for prolonging the service time of the flue gas sampling probe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a flue gas sampling probe according to an embodiment of the present invention;

FIG. 2 is a partial cross-sectional view of a flue gas sampling probe in accordance with an embodiment of the present invention;

FIG. 3 is an exploded view of a flue gas sampling probe in accordance with an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an automatic dust removal filter assembly in accordance with an embodiment of the present invention;

fig. 5 is an exploded view of an automatic dust removal filter assembly in accordance with an embodiment of the present invention.

In the figure: 100. the probe comprises a probe body, 200 parts of a sampling pipe, 201 parts of external threads, 300 parts of a pipe body, 301 parts of a limiting ring, 302 parts of a filter screen, 303 parts of a limiting pipe, 400 parts of a shaft rod, 401 parts of fan blades, 402 parts of a connecting plate, 403 parts of a dust removing brush and 500 parts of a bearing.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

Referring to fig. 1, the flue gas sampling probe according to an embodiment of the present invention includes a probe main body 100, a sampling tube 200 and an automatic dust removal filter assembly, wherein the sampling tube 200 is mounted on the probe main body 100, and a gas in a flue can enter the probe main body 100 through the sampling tube 200 and then enter a next-level device, so as to sample the flue gas.

Referring to fig. 2 to 5, the automatic dust removing and filtering assembly includes a tube 300, a filter screen 302, a shaft rod 400, a fan blade 401 and a dust removing brush 403, wherein the tube 300 is screwed into one end of the sampling tube 200 far from the probe main body 100, specifically, the lower end of the sampling tube 200 is provided with an external thread 201, and an internal thread matched with the external thread 201 is formed inside the tube 300.

Preferably, in order to ensure the matching connection degree of the sampling tube 200 and the tube body 300, the inner portion of the tube body 300 is fixedly connected with a limiting ring 301, and the limiting ring 301 is used for limiting, so that when the tube body 300 is installed, the tube body 300 can not rotate, that is, when the sampling tube 200 abuts against the limiting ring 301, the better connection matching is completed.

Referring to fig. 2, the filter screen 302 is fixedly connected inside the pipe body 300, the central position of the filter screen 302 is fixedly connected with the limiting pipe 303, and the shaft rod 400 penetrates through the limiting pipe 303 and can rotate in the limiting pipe 303.

Referring to fig. 2, the upper end of the shaft 400 is fixedly connected with a plurality of connecting plates 402, the connecting plates 402 are located on the upper side of the filter screen 302, and a bearing 500 is installed between the connecting plates 402 and the limiting pipe 303, so that the shaft 400 can rotate more smoothly by the bearing 500, and friction between structures is reduced.

Referring to fig. 2, 4 or 5, the dust removing brush 403 is fixedly connected to the lower end of the connecting plate 402, the dust removing brush 403 is in contact with the filter screen 302, and the dust removing brush 403 can clean the surface of the filter screen 302.

The dust removing brush 403 is made of metal wires, specifically, stainless steel wires, so that the service life of the dust removing brush can be greatly prolonged, and the cleaning cleanliness of the dust removing brush can be improved.

Referring to fig. 1 to 4, the fan 401 is fixedly connected to the lower end of the shaft 400, the fan 401 is located outside the tube 300, and the fan 401 does not affect the air entering the tube 300.

Specifically, sampling pipe 200 and the whole stainless steel that is of automatic dust removal filtering component, sampling pipe 200, body 300, filter screen 302, spacing pipe 303, axostylus axostyle 400, flabellum 401, connecting plate 402 and dust removal brush 403 are stainless steel promptly, can improve the compression resistance, have great intensity simultaneously, and corrosion resistance is higher.

During the use, can be with body 300 threaded connection on external screw thread 201, then install sampling pipe 200 in the flue, wherein, the position of installation body 300 should be considered, and the air current in the flue can drive the rotation of flabellum 401, and preferably, during the installation, the lower extreme of sampling pipe 200 is vertical downwards or the installation of slope downwards, and the dust of being convenient for to sweep out falls into in the flue again.

When having the flue gas to pass through at a high speed in the flue, blow flabellum 401 and can drive axostylus axostyle 400 and rotate, thereby drive connecting plate 402 and the dust removal brush 403 of connecting plate 402 lower extreme and rotate, dust removal brush 403 can clean the surface of filter screen 302, and simultaneously, dust removal brush 403 can also drive the vibration of filter screen 302 when cleaning filter screen 302 surface, also do benefit to the scattering of dust, the number of connecting plate 402 is one or two, can not block the air admission, in other words, flabellum 401 can rotate under the effect of air current, and can drive dust removal brush 403 through axostylus axostyle 400 and clean filter screen 302.

According to the technical scheme, the utility model has the following beneficial effects:

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A flue gas sampling probe, comprising:

a probe body;

the sampling tube is arranged on the probe main body;

the automatic dust removal and filtration assembly is arranged at the end part of the sampling pipe far away from the probe main body;

the automatic dust removal and filtration assembly comprises a filter screen, an axle rod, fan blades and a dust removal brush, wherein the fan blades can rotate under the action of air flow, and the dust removal brush can be driven by the axle rod to clean the filter screen.

2. The flue gas sampling probe of claim 1, wherein the lower end of the sampling tube is provided with external threads, and the automatic dust removal filter assembly further comprises a tube body, and internal threads matched with the external threads are formed in the tube body.

3. A flue gas sampling probe as claimed in claim 2 wherein the inside of the tubular body is fixedly connected with a spacing collar.

4. The flue gas sampling probe of claim 1, wherein a limiting pipe is fixedly connected to the filter screen, the shaft rod penetrates through the limiting pipe, a plurality of connecting plates are fixedly connected to the upper end of the shaft rod, and a bearing is installed between the connecting plates and the limiting pipe.

5. A flue gas sampling probe as recited in claim 4, wherein the dust removal brush is fixedly attached to a lower end of the connection plate, the dust removal brush contacting the filter screen.

6. A flue gas sampling probe according to claim 1, wherein the fan blades are fixedly connected to the lower end of the shaft, the fan blades being located outside the tube.