CN219348331U

CN219348331U - Sampling pretreatment device capable of being automatically maintained

Info

Publication number: CN219348331U
Application number: CN202223541529.3U
Authority: CN
Inventors: 马兴忠; 李耀永
Original assignee: Xinjiang Fanlin Instrument Co ltd
Current assignee: Xinjiang Fanlin Instrument Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-07-14
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the field of sampling devices and discloses an automatic-maintenance sampling pretreatment device which effectively solves the problem that at present, when more granular impurities exist, the granular impurities are easy to fall down and possibly cause pipeline blockage.

Description

Sampling pretreatment device capable of being automatically maintained

Technical Field

The utility model belongs to the field of sampling devices, and particularly relates to an automatic-maintenance sampling pretreatment device.

Background

According to the patent document with the grant notice number of CN202533291U, the utility model name of "full-automatic maintenance-free sampling pretreatment device", the specification of which is described in the following: the utility model provides a full-automatic maintenance-free sample preprocessing device, includes the isokinetic sampling tube, and the isokinetic sampling tube passes through the sample gas import of constant temperature heating flange connection filter, and the sample gas export of filter passes through the sample motorised valve and connects analysis instrument, and the sample gas export of filter still is connected to turbulent device's gas outlet, and turbulent device's air inlet passes through the blowback motorised valve and connects the blowback air supply, characterized by the filter install in the sampling tube and with install the concentric hub connection of ball valve sampling tube, be equipped with screen cloth cartridge filter, ceramic filter core in proper order in the filter and the filter sample trachea of through-connection ceramic filter core, still be equipped with out appearance gas pocket and reposition of redundant personnel air chamber on the filter outer chamber, be equipped with the bleeder vent on the filter sample trachea. The outside of the filter is provided with a constant temperature heating device for heating the sample gas in the separator, and the whole filter is covered with a rainproof and dustproof filter outer cover, but the following defects still exist:

because the gas circulates from bottom to top to make when granule impurity is more, granule impurity easily drops, probably causes the pipeline to block up then, influences follow-up sampling use.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the sampling pretreatment device capable of being automatically maintained, and the problem that the particle impurities are easy to drop and possibly cause pipeline blockage when the particle impurities are more at present is effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sampling pretreatment device capable of being automatically maintained comprises a machine body, wherein a sampling tube is arranged at the bottom end of the machine body, a sampling valve is arranged on the sampling tube, a communicating pipe is arranged at the top end of the machine body, one end of the communicating pipe is connected with an air suction pump, and a pretreatment component is arranged in the machine body;

the pretreatment component comprises an inner tube arranged inside the machine body, the bottom end of the inner tube is communicated with the sampling tube, the top end of the inner tube is communicated with the communicating tube, the inner side of the middle part of the inner tube is provided with an inner baffle, the outer side of the middle part of the inner tube is provided with an outer baffle, and the outer wall of the outer baffle is fixedly connected with the inner wall of the machine body.

Preferably, a first blocking sleeve is arranged on the outer side of the inner pipe, two ends of the first blocking sleeve are fixedly connected with the bottom wall of the outer partition plate and the inner bottom wall of the machine body respectively, a second blocking sleeve is arranged on the outer side of the first blocking sleeve, and two ends of the second blocking sleeve are fixedly connected with the bottom wall of the outer partition plate and the inner bottom wall of the machine body respectively.

Preferably, the inner pipe is evenly provided with first filter holes, the first filter holes are located below the inner partition plate, the first baffle is evenly provided with second filter holes, the second baffle is evenly provided with third filter holes, the outer partition plate is evenly provided with fourth filter holes, and the fourth filter holes are located on one side, far away from the first baffle, of the second baffle.

Preferably, the aperture of the first filter hole, the aperture of the second filter hole, the aperture of the third filter hole and the aperture of the fourth filter hole are sequentially reduced.

Preferably, the heating coil is arranged on the inner wall of the machine body, the heating coil is positioned above the outer partition plate, the communicating grooves are uniformly formed in the inner pipe, and the communicating grooves are positioned above the inner partition plate.

Preferably, the bottom of the machine body is provided with three dust exhaust pipes, and the three dust exhaust pipes are respectively positioned between the inner pipe and the first blocking sleeve, between the first blocking sleeve and the second blocking sleeve and at one side of the second blocking sleeve far away from the first blocking sleeve.

Preferably, the dust exhaust pipe is provided with a switch valve, the bottom end of the switch valve is provided with a dust exhaust main pipe, and the dust exhaust main pipe is provided with a dust exhaust pump.

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

(1) According to the utility model, the sampling gas is filtered through the inner pipe, the first baffle sleeve and the second baffle sleeve, so that the sampling gas transversely flows below the outer baffle plate, the gas passing area of the inner pipe, the first baffle sleeve and the first filter hole is increased, and the filtering effect is improved;

(2) This novel through sample gas lateral flow in outer baffle below to make the impurity granule after the filtration end drop to on the interior bottom wall of organism, thereby can not influence the equipment and normally filter, can be with the impurity granule discharge equipment inside that drops to on the diapire in the organism simultaneously through dust exhaust pipe and dust exhaust pump, thereby make things convenient for equipment automation clean.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of an automatic maintainable sampling pretreatment device;

FIG. 2 is a schematic diagram of a pretreatment module according to the present utility model;

FIG. 3 is a schematic view of the structure of the dust exhaust pipe of the present utility model;

in the figure: 1. a body; 2. a sampling tube; 3. a sampling valve; 4. a communicating pipe; 5. a pre-processing assembly; 501. an inner tube; 502. an inner partition; 503. an outer partition; 504. a first sleeve; 505. a second sleeve; 506. a first filter hole; 507. a second filter hole; 508. a third filter hole; 509. a fourth filter hole; 510. a heating coil; 511. a communication groove; 512. a dust exhaust pipe; 513. a switch valve; 514. a dust exhaust main pipe; 515. and a dust discharge pump.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

1-3, the utility model comprises a machine body 1, a sampling tube 2 is arranged at the bottom end of the machine body 1, a sampling valve 3 is arranged on the sampling tube 2, a communicating pipe 4 is arranged at the top end of the machine body 1, one end of the communicating pipe 4 is connected with a suction pump, and a pretreatment component 5 is arranged in the machine body 1;

the pretreatment component 5 comprises an inner tube 501 arranged in the machine body 1, the bottom end of the inner tube 501 is communicated with a sampling tube 2, the top end of the inner tube 501 is communicated with a communicating tube 4, an inner partition plate 502 is arranged on the inner side of the middle part of the inner tube 501, an outer partition plate 503 is arranged on the outer side of the middle part of the inner tube 501, the outer wall of the outer partition plate 503 is fixedly connected with the inner wall of the machine body 1, a first blocking sleeve 504 is arranged on the outer side of the inner tube 501, two ends of the first blocking sleeve 504 are respectively fixedly connected with the bottom wall of the outer partition plate 503 and the inner bottom wall of the machine body 1, a second blocking sleeve 505 is arranged on the outer side of the first blocking sleeve 504, two ends of the second blocking sleeve 505 are respectively fixedly connected with the bottom wall of the outer partition plate 503 and the inner bottom wall of the machine body 1, first filtering holes 506 are uniformly formed in the inner tube 501, the first filtering holes 506 are positioned below the inner partition plate 502, second filtering holes 507 are uniformly formed in the first blocking sleeve 504, the third filter holes 508 are uniformly formed in the second baffle sleeve 505, the fourth filter holes 509 are uniformly formed in the outer baffle plate 503, the fourth filter holes 509 are located on one side, far away from the first baffle sleeve 504, of the second baffle sleeve 505, the aperture of the first filter holes 506, the aperture of the second filter holes 507, the aperture of the third filter holes 508 and the aperture of the fourth filter holes 509 are sequentially reduced, the heating coil 510 is mounted on the inner wall of the machine body 1, the heating coil 510 is located above the outer baffle plate 503, the communicating grooves 511 are uniformly formed in the inner tube 501, the communicating grooves 511 are located above the inner baffle plate 502, and sampling gas is filtered through the inner tube 501, the first baffle sleeve 504 and the second baffle sleeve 505, so that the sampling gas transversely flows below the outer baffle plate 503, the air passing area of the inner tube 501, the first baffle sleeve 504 and the first filter holes 506 is increased, and the filtering effect is improved.

The bottom of organism 1 installs three dust exhaust pipe 512, three dust exhaust pipe 512 are located respectively between inside pipe 501 and first fender cover 504, between first fender cover 504 and the second fender cover 505, one side that the second fender cover 505 kept away from first fender cover 504, install switch valve 513 on the dust exhaust pipe 512, dust exhaust house steward 514 is installed to the bottom of switch valve 513, install dust exhaust pump 515 on the dust exhaust house steward 514, sample gas transversely circulates in outer baffle 503 below, thereby make impurity particle after the filtration drop to the interior bottom wall of organism 1, thereby can not influence equipment normal filtration, can be with the impurity particle discharge equipment inside on the interior diapire of organism 1 through dust exhaust pipe 512 and dust exhaust pump 515 simultaneously, thereby make things convenient for equipment to automize and clean.

Working principle: when the sampling valve is used, the suction pump at one end of the sampling valve 3 and the communicating pipe 4 is started, so that sampling gas is driven to enter the machine body 1 from the sampling pipe 2, then the sampling gas is introduced into the gas storage tank for storage through the communicating pipe 4, when the sampling gas circulates in the machine body 1, the sampling gas passes through the first filtering holes 506 on the inner pipe 501, the second filtering holes 507 on the first baffle sleeve 504, the third filtering holes 508 on the second baffle sleeve 505 and the fourth filtering holes 509 on the outer baffle plate 503 to finish filtering, and as the sampling gas transversely circulates below the outer baffle plate 503, the gas passing area of the inner pipe 501, the first baffle sleeve 504 and the first filtering holes 506 is increased, so that the filtering effect is improved, after the sampling gas enters the upper part of the outer baffle plate 503, the sampling gas is heated by the heating coil 510, and finally is discharged from the communicating pipe 4 through the communicating groove 511, and as the sampling gas transversely circulates below the outer baffle plate 503, impurity particles after the filtering is finished drop onto the inner bottom wall of the machine body 1, normal filtering of the equipment is not influenced, and meanwhile, after the switching valve 513 and the dust removing pump 515 are started, the first baffle sleeve 504 and the first dust can automatically flow between the inner pipe 504 and the second baffle sleeve 505 and the first baffle sleeve 505, the first dust removing particles can be conveniently cleaned.

Claims

1. The utility model provides a sample preprocessing device that can maintain automatically, includes organism (1), its characterized in that: the device is characterized in that a sampling tube (2) is arranged at the bottom end of the machine body (1), a sampling valve (3) is arranged on the sampling tube (2), a communicating pipe (4) is arranged at the top end of the machine body (1), one end of the communicating pipe (4) is connected with a suction pump, and a pretreatment component (5) is arranged in the machine body (1);

the pretreatment component (5) comprises an inner tube (501) arranged inside the machine body (1), the bottom end of the inner tube (501) is communicated with the sampling tube (2), the top end of the inner tube (501) is communicated with the communicating tube (4), an inner partition plate (502) is arranged on the inner side of the middle part of the inner tube (501), an outer partition plate (503) is arranged on the outer side of the middle part of the inner tube (501), and the outer wall of the outer partition plate (503) is fixedly connected with the inner wall of the machine body (1).

2. An automatically maintainable sampling pretreatment apparatus of claim 1, wherein: the outside of inside pipe (501) is equipped with first fender cover (504), and the both ends of first fender cover (504) are respectively with the diapire of outer baffle (503) and the interior bottom wall fixed connection of organism (1), and the outside of first fender cover (504) is equipped with second fender cover (505), and the both ends of second fender cover (505) are respectively with the diapire of outer baffle (503) and the interior bottom wall fixed connection of organism (1).

3. An automatically maintainable sampling pretreatment apparatus in accordance with claim 2, wherein: first filtration pore (506) have evenly been seted up on inside pipe (501), and first filtration pore (506) are located the below of inside baffle (502), and second filtration pore (507) have evenly been seted up on first fender cover (504), and third filtration pore (508) have evenly been seted up on second fender cover (505), and fourth filtration pore (509) have evenly been seted up on outer baffle (503), and fourth filtration pore (509) are located one side that first fender cover (504) were kept away from to second fender cover (505).

4. An automatically maintainable sampling pretreatment apparatus as in claim 3, wherein: the aperture of the first filter hole (506), the aperture of the second filter hole (507), the aperture of the third filter hole (508) and the aperture of the fourth filter hole (509) are sequentially reduced.

5. An automatically maintainable sampling pretreatment apparatus of claim 1, wherein: a heating coil (510) is arranged on the inner wall of the machine body (1), the heating coil (510) is located above the outer partition plate (503), communication grooves (511) are uniformly formed in the inner pipe (501), and the communication grooves (511) are located above the inner partition plate (502).

6. An automatically maintainable sampling pretreatment apparatus in accordance with claim 2, wherein: three dust exhaust pipes (512) are arranged at the bottom end of the machine body (1), and the three dust exhaust pipes (512) are respectively positioned between the inner pipe (501) and the first blocking sleeve (504), between the first blocking sleeve (504) and the second blocking sleeve (505) and at one side, far away from the first blocking sleeve (504), of the second blocking sleeve (505).

7. An automatically maintainable sampling pretreatment apparatus in accordance with claim 6, wherein: the dust exhaust pipe (512) is provided with a switch valve (513), the bottom end of the switch valve (513) is provided with a dust exhaust main pipe (514), and the dust exhaust main pipe (514) is provided with a dust exhaust pump (515).