CN219657576U

CN219657576U - Gas chromatograph advances kind filter equipment

Info

Publication number: CN219657576U
Application number: CN202223316129.2U
Authority: CN
Inventors: 邢金松; 龚佑祥
Original assignee: Shanghai Xihua Pharmaceutical Co ltd
Current assignee: Shanghai Xihua Pharmaceutical Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-09-08
Anticipated expiration: 2032-12-10

Abstract

The utility model relates to the technical field of detection equipment, in particular to a gas chromatograph sample injection and filtration device, which comprises a gas chromatograph main body, wherein a sample injection port is arranged on the outer side of the gas chromatograph main body, a filtration structure is arranged at the top end of the gas chromatograph main body, a control panel is arranged at the left end of the filtration structure, a sample outlet is arranged at the top end of the filtration structure, one end of the sample injection port is connected with a first valve, one end of the sample outlet is connected with a second valve, one ends of the first valve and the second valve are both connected with a conveying pipe, and the outer side of the conveying pipe is movably connected with a protective cover.

Description

Gas chromatograph advances kind filter equipment

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a sample injection and filtration device of a gas chromatograph.

Background

The principle of the gas chromatograph is that the gas is used as a chromatographic analysis instrument of a mobile phase, and the separation of a mixture is realized mainly by utilizing the difference of the boiling point, the polarity and the adsorption property of substances, a sample to be analyzed is gasified in a gasification chamber and then is brought into a chromatographic column by inert gas (namely carrier gas, also called mobile phase), liquid or solid stationary phase is contained in the column, and each component in the sample tends to form distribution or adsorption balance between the mobile phase and the stationary phase.

Through retrieving, just mention a gas chromatograph of automatically filtered gas at published application number CN202120919605.6, including the equipment main part, the front of equipment main part is provided with the operation panel, and one side of equipment main part is connected with the inlet, and the upper end of equipment main part is provided with filter equipment, and filter equipment's upper end is provided with the appearance mouth. This automatic gaseous gas chromatograph of filtration passes through setting up mounting groove, fixed plate, filter screen, appearance mouth, compression spring, fixed orifices, dead lever and sealing gasket, can reach in gas chromatograph's use, effectively avoids inside the condition that blocks up to appear, when long-term use, the user dismantles change simple process to filter screen and adsorption plate, and inner structure easily realizes, has still improved the leakproofness of junction simultaneously, has effectively avoided the condition that gas leakage appears in the junction, has guaranteed gas chromatograph at the accuracy to gas detection in-process detection data.

The above solution, although solving the problems set forth in the background art, still has the following drawbacks: when filtering gas, the filter effect is relatively poor, and the practicality is not strong.

Disclosure of Invention

The utility model aims to provide a gas chromatograph sample injection filtering device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a gas chromatograph advances kind filter equipment, includes the gas chromatograph main part, the outside of gas chromatograph main part is equipped with the inlet, filtration is installed on the top of gas chromatograph main part, control panel is installed to filtration's left end, filtration's top is equipped with out the sample mouth, the one end of inlet is connected with first valve, the one end of out the sample mouth is connected with the second valve, the one end of first valve and second valve all is connected with the conveyer pipe, the outside swing joint of conveyer pipe has the protective cover;

the filter structure comprises a filter box arranged at the top end of a gas chromatograph main body, a mounting frame is fixedly arranged at the top end of the inner wall of the filter box, an exhaust fan is arranged at the inner side of the mounting frame, sliding blocks are connected at the left end and the right end of the inner wall of the filter box through sliding grooves, a movable frame is fixedly arranged at one end of the sliding blocks, and a filter screen is arranged at the inner side of the movable frame.

In a preferred embodiment of the present utility model, the other end of the sample inlet is disposed outside the gas chromatograph main body.

As a preferable scheme of the utility model, the base surface of the filter box is connected with the sealing strip, one side of the base surface of the filter box, which is close to the sealing strip, is connected with the sealing door through a hinge, and one end of the sealing door is provided with the pressing lock catch.

As a preferable scheme of the utility model, the control panel is electrically connected with the exhaust fan, the first valve and the second valve.

As a preferable scheme of the utility model, the first valve and the second valve are both electric control valves.

As a preferable scheme of the utility model, the protective cover is made of silica gel.

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

1. according to the gas chromatograph sample injection and filtration device, the sample injection port, the filtration structure and the sample outlet are arranged in the gas chromatograph sample injection and filtration device, so that the discharged gas is filtered under the cooperation of the sample injection port, the filtration box, the installation frame, the exhaust fan, the sliding block, the movable frame, the filter screen, the sealing strip, the sealing door, the pressing lock catch and the sample outlet, the disassembly and the cleaning are convenient, and the practicability is enhanced.

2. According to the utility model, the first valve, the second valve and the protective cover are arranged in the sample injection and filtration device of the gas chromatograph, so that the operation of workers can be facilitated through the first valve and the second valve, dust entering into the equipment is reduced through the protective cover, and the practicability is further enhanced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the interior of the filter structure of the present utility model;

FIG. 3 is a schematic view of the structure of the sample outlet and the second valve of the present utility model.

In the figure: 1. a gas chromatograph body; 2. a sample inlet; 3. a filtering structure; 301. a filter box; 302. a mounting frame; 303. an exhaust fan; 304. a slide block; 305. a movable frame; 306. a filter screen; 307. a sealing strip; 308. sealing the door; 309. pressing the lock catch; 4. a control panel; 5. a sample outlet; 6. a first valve; 7. a second valve; 8. a delivery tube; 9. and a protective cover.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to 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. 1-3, the present utility model provides a technical solution:

the gas chromatograph sample injection and filtration device comprises a gas chromatograph main body 1, wherein a sample injection port 2 is arranged on the outer side of the gas chromatograph main body 1, a filtration structure 3 is arranged at the top end of the gas chromatograph main body 1, a control panel 4 is arranged at the left end of the filtration structure 3, and a sample outlet 5 is arranged at the top end of the filtration structure 3;

the filtering structure 3 comprises a filtering box 301 arranged at the top end of the gas chromatograph main body 1, a mounting frame 302 is fixedly arranged at the top end of the inner wall of the filtering box 301, an exhaust fan 303 is arranged at the inner side of the mounting frame 302, the left end and the right end of the inner wall of the filtering box 301 are connected with sliding blocks 304 through sliding grooves, a movable frame 305 is fixedly arranged at one end of each sliding block 304, a filter screen 306 is arranged at the inner side of each movable frame 305, so that gas enters from a sample inlet 2, the exhaust fan 303 is opened, the mounting frame 302 plays a fixed role in the exhaust fan 303, the gas is subjected to double filtration under the cooperation of the filtering box 301, the movable frame 305 and the filter screen 306 and is discharged through a sample outlet 5, and the movable frame 305 and the filter screen 306 are convenient to detach and clean under the cooperation of the sliding blocks 304, the sealing strips 307, the sealing doors 308 and the pressing lock catches 309;

the other end of the sample inlet 2 is arranged at the outer side of the gas chromatograph main body 1, the base surface of the filter box 301 is connected with a sealing strip 307, one side, close to the sealing strip 307, of the base surface of the filter box 301 is connected with a sealing door 308 through a hinge, one end of the sealing door 308 is provided with a pressing lock 309, the control panel 4 is electrically connected with the exhaust fan 303, the first valve 6 and the second valve 7, so that gas enters from the sample inlet 2, the exhaust fan 303 is opened, the mounting frame 302 plays a fixed role in the exhaust fan 303, the gas is subjected to double filtration under the cooperation of the filter box 301, the movable frame 305 and the filter screen 306, and is discharged through the sample outlet 5, the sealing door 308 is opened by pressing the pressing lock 309, the movable frame 305 is pulled, the sliding block 304 moves along a sliding groove, the movable frame 305 and the filter screen 306 are convenient to detach and clean, and the tightness of the joint can be enhanced through the sealing strip 307.

In this embodiment, referring to fig. 1 and 3, one end of the sample inlet 2 is connected with a first valve 6, one end of the sample outlet 5 is connected with a second valve 7, one ends of the first valve 6 and the second valve 7 are both connected with a conveying pipe 8, and the outer side of the conveying pipe 8 is movably connected with a protective cover 9, so that the operation of workers is facilitated through the first valve 6 and the second valve 7, and dust entering into the equipment is reduced through the protective cover 9;

wherein first valve 6 and second valve 7 are automatically controlled valve, and shield lid 9 is made for silica gel to be convenient for the staff's operation through first valve 6 and second valve 7, reduce the inside that the dust got into equipment through shield lid 9 moreover, further strengthened the practicality.

The working flow of the utility model is as follows: before using, check whether equipment outward appearance is damaged, after the inspection finishes, with the equipment circular telegram, pull open protective cover 9, open first valve 6 and second valve 7 through control panel 4, it is simple and convenient, make gaseous entering from sample inlet 2, open air draft fan 303, mounting bracket 302 plays fixed effect to air draft fan 303, filter the box 301, the cooperation of movable frame 305 and filter screen 306 is down carries out dual filtration to gaseous, and discharge through out appearance mouth 5, through pressing down hasp 309, open sealing door 308, pulling movable frame 305, make slider 304 remove along the spout, be convenient for movable frame 305 and filter screen 306 dismantle the washing, moreover, can strengthen the leakproofness of junction through sealing strip 307, the practicality is strengthened.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas chromatograph advances kind filter equipment, includes gas chromatograph main part (1), its characterized in that: the gas chromatograph comprises a gas chromatograph main body (1), wherein a sample inlet (2) is formed in the outer side of the gas chromatograph main body (1), a filter structure (3) is arranged at the top end of the gas chromatograph main body (1), a control panel (4) is arranged at the left end of the filter structure (3), a sample outlet (5) is formed in the top end of the filter structure (3), a first valve (6) is connected with one end of the sample inlet (2), a second valve (7) is connected with one end of the sample outlet (5), conveying pipes (8) are connected with one ends of the first valve (6) and the second valve (7), and a protective cover (9) is movably connected to the outer side of each conveying pipe (8);

filtration (3) are including installing in rose box (301) on gas chromatograph main part (1) top, inner wall top end of rose box (301) is fixed with mounting bracket (302), exhaust fan (303) are installed to the inboard of mounting bracket (302), both ends are connected with slider (304) through the spout about the inner wall of rose box (301), one end fixed mounting of slider (304) has movable frame (305), just filter screen (306) are installed to the inboard of movable frame (305).

2. The gas chromatograph sample injection filter device according to claim 1, wherein: the other end of the sample inlet (2) is arranged at the outer side of the gas chromatograph main body (1).

3. The gas chromatograph sample injection filter device according to claim 1, wherein: the base surface of rose box (301) is connected with sealing strip (307), the base surface of rose box (301) is close to one side of sealing strip (307) and is connected with sealing door (308) through the hinge, just the one end of sealing door (308) is equipped with presses hasp (309).

4. The gas chromatograph sample injection filter device according to claim 1, wherein: the control panel (4) is electrically connected with the exhaust fan (303), the first valve (6) and the second valve (7).

5. The gas chromatograph sample injection filter device according to claim 1, wherein: the first valve (6) and the second valve (7) are electric control valves.

6. The gas chromatograph sample injection filter device according to claim 1, wherein: the protective cover (9) is made of silica gel.