CN213481820U

CN213481820U - Sampling device

Info

Publication number: CN213481820U
Application number: CN202022239808.9U
Authority: CN
Inventors: 高志新; 吴彩霞
Original assignee: Hebei Sailang Environmental Protection Technology Co ltd
Current assignee: Hebei Sailang Environmental Protection Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-06-18
Anticipated expiration: 2030-10-10

Abstract

The application provides a sampling device, including sample chamber, filter core, sample connection and coupling mechanism, coupling mechanism includes: the sampling device comprises an upper chuck, a lower chuck and a hoop, wherein a sampling port joint is fixedly connected to one end of a filter element, the upper chuck is connected to the sampling port joint, the lower chuck is fixed on the upper end surface of a sampling cavity, and the filter element penetrates through the lower chuck and then is inserted into the sampling cavity to be lapped on the surface of the lower chuck; the inner surface of the hoop is provided with a circle of clamping grooves, the hoop comprises a pair of semicircular rings which are oppositely arranged, one ends of the semicircular rings are hinged, and the other ends of the semicircular rings are fixedly connected through bolts; the clamp is connected between the upper chuck and the lower chuck, so that the filter element is fixed in the sampling cavity; the outer side wall of the sampling cavity is provided with a self-temperature-limiting heat tracing band for heating the sampling cavity in an attaching mode. The beneficial effect of this application is: adopt quick chuck mode to fix filtering core in the sample intracavity, conveniently change filtering core fast, adopt the self-limiting temperature tracing band to heat sampling intracavity portion and simplified sampling device's heating structure.

Description

Sampling device

Technical Field

The utility model relates to an industrial field pipeline and jar body gas measurement's earlier stage sample technical field, concretely relates to sampling device.

Background

Gas that the sample connection gathered among the sampling device gets into the sample chamber after removes dust to sampling gas under the effect of filtering the filter core and now, filters among the current sampling device that the filter core adopts screw and sample chamber to carry out assembled connection more, and the connected mode of screw has a great deal of problem: the filter element is not convenient to replace due to low disassembly speed, and the replacement difficulty of the filter element is further increased due to the problems of rusting, corrosion and the like existing in the long-time use of the screw.

And for carrying out further dehumidification to the sampling gas, need heat the sampling gas of sample intracavity for outside moisture evaporates the sample chamber, utilize digital display table, temperature measurement resistance and heating block to heat the sample chamber during prior art, add that the heating structure is loaded down with trivial details, the operation is complicated, the more increase cost of maintenance of fault point.

Disclosure of Invention

The present application is directed to the above problems and provides a sampling device.

In a first aspect, the present application provides a sampling device, including sample chamber, filter core, sample connection and coupling mechanism, coupling mechanism includes: the sampling device comprises an upper chuck, a lower chuck and a hoop, wherein a sampling port joint is fixedly connected to one end of a filter element, the upper chuck is connected to the sampling port joint, the lower chuck is fixed on the upper end surface of a sampling cavity, and the filter element penetrates through the lower chuck and then is inserted into the sampling cavity, so that the upper chuck is lapped on the surface of the lower chuck; the inner surface of the hoop is provided with a circle of clamping grooves, the hoop comprises a pair of semicircular rings which are oppositely arranged, one ends of the semicircular rings are hinged, and the other ends of the semicircular rings are fixedly connected through bolts; the clamp is connected between the upper chuck and the lower chuck, so that the filter element is fixed in the sampling cavity; and a self-temperature-limiting heat tracing band for heating the sampling cavity is attached to the outer side wall of the sampling cavity.

According to the technical scheme that this application embodiment provided, the surface subsides of lower chuck establish the sealing washer, the filter core makes upper chuck surface and sealing washer laminating after inserting the sample chamber.

According to the technical scheme that this application embodiment provided, the lower terminal surface in sample chamber sets up mounting flange, detachably is connected with the valve on the mounting flange.

According to the technical scheme provided by the embodiment of the application, one end of the heat tracing band is connected with the explosion-proof terminal, and the other end of the heat tracing band is connected with the explosion-proof junction box.

According to the technical scheme provided by the embodiment of the application, the stainless steel protection box is arranged on the outer side of the sampling device.

According to the technical scheme provided by the embodiment of the application, the outer side of the outer side wall of the sampling cavity, which corresponds to the heat tracing band, is provided with the heat insulation layer in an attached mode.

According to the technical scheme that this application embodiment provided, paste in the draw-in groove of clamp and establish round rubber anti-skidding blotter.

According to the technical scheme that this application embodiment provided, the sample connection connects and filter core threaded connection, go up the chuck setting in filter core top and welding on the sample connection connects.

According to the technical scheme provided by the embodiment of the application, the lower chuck is welded on the upper end face of the sampling cavity.

The invention has the beneficial effects that: the application provides a sampling device, which adopts a rapid chuck mode to fix a filter element in a sampling cavity, so that the filter element in the sampling cavity can be conveniently and rapidly replaced and disassembled, the replacement and disassembly speed is improved, and the operation complexity is reduced; the self-temperature-limiting heat tracing band is adopted to heat the interior of the sampling cavity, so that the heating structure of the sampling device is simplified, and the operation is simple and the maintenance is convenient.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present application;

FIG. 2 is a schematic view of a clamp according to a first embodiment of the present application;

FIG. 3 is a cross-sectional view of a portion of the structure of a clamp band according to a first embodiment of the present application;

the text labels in the figures are represented as: 100. a sampling cavity; 200. a filter element; 300. a sample port connector; 410. an upper chuck; 420. a lower chuck; 430. clamping a hoop; 431. a card slot; 432. a semicircular ring; 433. a bolt; 500. a heat tracing band; 600. installing a flange; 700. a valve; 800. a protection box; 900. and (7) an insulating layer.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.

Fig. 1 to 3 are schematic views illustrating a first embodiment of the present application, including a sampling cavity 100, a filter cartridge 200, a sampling port connector 300, and a connection mechanism, the connection mechanism includes: the sampling device comprises an upper chuck 410, a lower chuck 420 and a clamp 430, wherein the sampling port connector 300 is fixedly connected to one end of the filter element 200, the upper chuck 410 is connected to the sampling port connector 300, the lower chuck 420 is fixed on the upper end surface of the sampling cavity 100, the filter element 200 passes through the lower chuck 420 and then is inserted into the sampling cavity 100, and the upper chuck 410 is lapped on the surface of the lower chuck 420; a circle of clamping grooves 431 are formed in the inner surface of the hoop 430, the hoop 430 comprises a pair of semicircular rings 432 which are oppositely arranged, one ends of the pair of semicircular rings 432 are hinged, and the other ends of the pair of semicircular rings 432 are fixedly connected through bolts 433; the clip 430 is connected between the upper chuck 410 and the lower chuck 420 such that the filter cartridge 200 is secured within the sampling cavity 100; the outer side wall of the sampling cavity 100 is attached with a self-temperature-limiting heat tracing band 500 for heating the sampling cavity 100.

In this embodiment, sample connection 300 and filter core 200 fixed connection, lower chuck 420 is fixed on sample chamber 100, goes up chuck 410 and fixes on sample connection 300, will go up chuck 410 and lower chuck 420 fixed connection through clamp 430 and realize the quick installation of filter core 200 and sample chamber 100 together, and connection structure through clamp 430, chuck makes things convenient for the change of filter core 200, improves filter core 200 and changes dismantlement speed, reduces the operation complexity. In this embodiment, in order to make the sampling cavity 100 effectively remove water from the gas collected into the sampling cavity 100 by the sampling port, the self-temperature-limiting heat tracing band 500 is used to coat the side wall of the sampling cavity 100, and the environment in the sampling cavity 100 is heated, so that the moisture in the sampling cavity 100 is vaporized and evaporated out of the sampling cavity 100, and the heating structure of the sampling device is simplified by the heating form of the heat tracing band 500, and the operation is simple and the maintenance is convenient.

In a preferred embodiment, a sealing ring is attached to the surface of the lower chuck 420, and the surface of the upper chuck 410 is attached to the sealing ring after the filter cartridge 200 is inserted into the sampling cavity 100. In the preferred embodiment, a sealing ring is provided between the upper chuck 410 and the lower chuck 420 to increase the sealing performance of the sampling device and the stability when the sampling device is connected to the yoke 430.

In a preferred embodiment, a mounting flange 600 is disposed at the lower end surface of the sampling cavity 100, and a valve 700 is detachably connected to the mounting flange 600. In the embodiment, the base of the mounting flange 600 is welded to a pipeline or a tank body to be sampled, the DN50 stainless steel valve 700 is mounted, and the sampling device is mounted on the valve 700, so that the sampling of the gas in the pipeline or the tank body by the sampling device is realized.

In a preferred embodiment, one end of the heat tracing band 500 is connected to an explosion-proof terminal, and the other end is connected to an explosion-proof junction box. In this embodiment, the explosion-proof junction box is connected by a cable and a 220VAC power supply is connected, so that the sampling device has an explosion-proof function.

In a preferred embodiment, a stainless steel protective case 800 is provided outside the sampling device. In this embodiment, the external 304 stainless steel quick plugging protection box 800 is adopted, so that the sampling device can be used outdoors, and the application occasions of the sampling device are enlarged.

In a preferred embodiment, the outer side wall of the sampling cavity 100 is attached with an insulating layer 900 corresponding to the outer side of the heat tracing band 500. In the preferred embodiment, the heat insulating layer 900 is attached to the outer layer of the heat tracing band 500, so that the heat loss of the sampling cavity 100 can be further reduced, the temperature in the sampling cavity 100 is ensured, the moisture can be gasified into vapor, and the vapor is discharged out of the sampling cavity 100, and the water removal performance of the sampling device is improved.

In a preferred embodiment, a ring of rubber anti-slip buffer pad is attached to the inside of the slot 431 of the clip 430. In the preferred embodiment, a rubber anti-slip buffer pad is attached to the inside of the locking groove 431 to increase the sealing property when the clip 430 is connected to the upper chuck 410 and the lower chuck 420.

In this embodiment, the thief hatch 300 is threadedly coupled to the filter cartridge 200, and the upper chuck 410 is disposed above the filter cartridge 200 and welded to the thief hatch 300. The lower chuck 420 is welded to the upper end surface of the sampling chamber 100.

The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.

Claims

1. A sampling device, comprising a sampling cavity (100), a filter element (200), a sample port adapter (300), and a connection mechanism, the connection mechanism comprising: the sampling device comprises an upper chuck (410), a lower chuck (420) and a clamp (430), wherein the sampling port joint (300) is fixedly connected to one end of a filter element (200), the upper chuck (410) is connected to the sampling port joint (300), the lower chuck (420) is fixed on the upper end face of a sampling cavity (100), and the filter element (200) passes through the lower chuck (420) and then is inserted into the sampling cavity (100) so that the upper chuck (410) is lapped on the surface of the lower chuck (420);

a circle of clamping grooves (431) are formed in the inner surface of the hoop (430), the hoop (430) comprises a pair of semicircular rings (432) which are oppositely arranged, one ends of the semicircular rings (432) are hinged, and the other ends of the semicircular rings (432) are fixedly connected through bolts (433); the clamp (430) is connected between the upper chuck (410) and the lower chuck (420) so that the filter cartridge (200) is fixed in the sampling cavity (100);

the outer side wall of the sampling cavity (100) is provided with a self-temperature-limiting heat tracing band (500) for heating the sampling cavity (100).

2. The sampling device according to claim 1, characterized in that the surface of the lower chuck (420) is provided with a sealing ring, and the surface of the upper chuck (410) is provided with a sealing ring after the filter element (200) is inserted into the sampling cavity (100).

3. The sampling device according to claim 1, characterized in that a mounting flange (600) is arranged at the lower end face of the sampling cavity (100), and a valve (700) is detachably connected to the mounting flange (600).

4. The sampling device according to claim 1, characterized in that one end of the heat tracing band (500) is connected with an explosion-proof terminal and the other end is connected with an explosion-proof junction box.

5. The sampling device according to claim 1, characterized in that a stainless steel protective box (800) is provided outside the sampling device.

6. The sampling device according to claim 1, characterized in that the outer side wall of the sampling cavity (100) is provided with an insulating layer (900) attached to the outer side corresponding to the heat tracing band (500).

7. The sampling device according to claim 1, characterized in that a rubber anti-skid buffer is attached to the inside of the groove (431) of the clamp (430).

8. The sampling device of claim 1, wherein the thief hatch (300) is threadably connected to the filter cartridge (200), and the upper chuck (410) is disposed above the filter cartridge (200) and welded to the thief hatch (300).

9. The sampling device according to claim 1, characterized in that the lower chuck (420) is welded on the upper end face of the sampling cavity (100).