CN211206386U

CN211206386U - Be applied to discharge apparatus of chromatogram sample hydrocarbon waste gas

Info

Publication number: CN211206386U
Application number: CN201922205628.6U
Authority: CN
Inventors: 龙军; 徐伟国; 向金山
Original assignee: Shanghai Boyi Measuring Equipment Co ltd
Current assignee: Shanghai Boyi Measuring Equipment Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-07
Anticipated expiration: 2029-12-04

Abstract

The discharge device applied to the hydrocarbon waste gas of the chromatographic sample comprises a metal pipeline and is characterized in that one end of the metal pipeline is inserted into a filter flask, a bottle stopper is movably connected between the metal pipeline and the filter flask, the bottle stopper is tightly sealed at the bottle opening of the filter flask, and a through hole is formed in the bottle stopper in a penetrating manner; the metal pipeline penetrates through the through hole and is in interference connection with the bottle stopper; the side wall of the filter flask is communicated with a vacuum pump through a soft connecting pipe. The hydrocarbon waste gas is introduced into the filter flask through the metal lead, the vacuum pump works, the gas in the filter flask is sucked out through the thin neck on the side wall of the filter flask, the pressure in the flask is reduced, and the hydrocarbon waste gas is discharged into the vacuum pump from the thin neck, so that the condition that the hydrocarbon waste gas is directly discharged into the air is improved.

Description

Be applied to discharge apparatus of chromatogram sample hydrocarbon waste gas

Technical Field

The utility model relates to a hydrocarbon waste gas's emission field, more specifically says that it relates to a be applied to discharge device of chromatogram sample hydrocarbon waste gas.

Background

With the development of economy and the continuous improvement of the analysis technology level, the chromatograph is gradually popularized and widely applied in China as a modern technology analytical instrument with high efficiency, rapidness and high sensitivity. The chromatograph is composed of an air source system, a sample introduction system, a main system, a detection system, a data acquisition and processing system and a temperature control system, wherein carrier gas in an air source flows out through a pressure reducing valve, flows through an air path box, enters a sample introduction device, brings an injected sample into a chromatographic column, and finally brings a component in a backup in the chromatographic column into a chromatographic detector for identification and recording. In the using process of the chromatograph, hydrocarbon waste gas can be generated and can cause harm to human bodies and the environment.

The gas chromatograph disclosed in the chinese patent with the patent publication number CN207662856U, except the chromatograph body, the display port is opened on the front side of the chromatograph, the display screen is installed on the inner wall of the display port, the feeding device is installed on the left side of the upper surface of the chromatograph, the bottom plate is arranged below the chromatograph, the telescopic cylinder is connected on the left side, due to the fact that the telescopic column is placed in the telescopic cylinder to match with the handrail, the gas chromatograph is convenient to move and easy to carry, due to the fact that the fixing block is matched with the second spring, the chromatograph can absorb shock when encountering a bumpy road surface in the moving process.

The above prior art solution has the following drawbacks: the hydrocarbon waste gas generated by the chromatograph has no corresponding processing device, and can only be discharged into the air through a pipeline, thereby causing stimulation to human organs, especially aiming at internal organs, leading to carcinogenesis caused by excessive suction of partial hydrocarbon compounds, and having undesirable discharge effect.

SUMMERY OF THE UTILITY MODEL

To current technical problem, the utility model provides a be applied to discharge device of chromatogram sample hydrocarbon waste gas, it has the advantage that improves the emission effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: the discharge device applied to the hydrocarbon waste gas of the chromatographic sample comprises a metal pipeline and is characterized in that one end of the metal pipeline is inserted into a filter flask, a bottle stopper is movably connected between the metal pipeline and the filter flask, the bottle stopper is tightly sealed at the bottle opening of the filter flask, and a through hole is formed in the bottle stopper in a penetrating manner;

the metal pipeline penetrates through the through hole and is in interference connection with the bottle stopper;

the side wall of the filter flask is communicated with a vacuum pump through a soft connecting pipe.

By adopting the technical scheme, the hydrocarbon waste gas is introduced into the filter flask through the metal conducting wire, the vacuum pump works, the gas in the filter flask is sucked out through the thin neck on the side wall of the filter flask, the pressure in the flask is reduced, the hydrocarbon waste gas enters the vacuum pump from the thin neck, and the condition that the hydrocarbon waste gas is directly discharged into the air is improved.

The utility model is further arranged in such a way that the filter flask is placed on the placing component, the placing component comprises a bearing component, a connecting rod and a limiting part, the bearing component comprises two placing rods and two connecting rods, and the connecting rods are connected with the two placing rods;

the connecting rod is fixedly connected with the bearing assembly, and one end of the connecting rod, which is far away from the bearing assembly, is fixedly connected with the limiting piece;

the locating part fixedly connected with bracing piece and with the bracing piece is perpendicular, the bracing piece perpendicular to supports the base.

Through adopting above-mentioned technical scheme, place the buchner flask on having the iron stand platform of placing the subassembly, avoided buchner flask bottle end direct and the surperficial contact of unevenness, make the device more steady.

The utility model discloses further set up to, the connecting rod is kept away from place the pole one end with link rod fixed connection, the locating part is the U type, the opening direction of locating part with the opening direction of carrier assembly is perpendicular.

Through adopting above-mentioned technical scheme, the locating part can with bracing piece vertical fixation, because the opening of carrier assembly opening perpendicular to locating part, the carrier assembly level is placed and is leaded to the locating part level to be placed, and the buchner flask is placed on the carrier assembly, and the device is more stable.

The utility model discloses further set up to, the locating part is kept away from spacing hole has been seted up to the one side of linking the pole, spacing hole threaded connection has limiting screw, limiting screw keeps away from the rotatory spiral shell lid of one end fixedly connected with of locating part.

Through adopting above-mentioned technical scheme, through revolving the relative position of rotatory spiral shell lid control limit screw and locating part soon, the end and the bracing piece of limit screw support, and the locating part can be dismantled in a flexible way to adjust according to the size of bracing piece, adapt to the iron stand platform of multiple difference.

The utility model discloses further set up to, place the pole contact the laminating fillet has been seted up to the terminal surface of buchner flask.

Through adopting above-mentioned technical scheme, when the buchner flask was placed on placing the pole, because the effect of gravity, buchner flask bottom was laminated with the laminating fillet of placing the pole, and the device is more stable, is difficult for empting.

The utility model discloses further set up to, the lateral wall of rotatory spiral shell lid is provided with wave type stripe.

By adopting the technical scheme, the wavy outer wall more conforms to the shape of a hand when the screw cap is tightly held, and the operation is more labor-saving and easier.

The utility model is further arranged that the bottle neck of the filtration bottle is detachably connected with a positioning component, and the positioning component comprises an S-shaped positioning piece, a positioning screw rod and a positioning screw cap;

the positioning piece comprises at least three positioning rods which are arranged in parallel, the positioning rods are connected end to end through connecting rods, a plurality of penetrating cavities are formed between every two adjacent positioning rods and the connecting rods, the bottleneck of the filter flask is arranged in one penetrating cavity, and the supporting rod is vertically arranged in the other penetrating cavity;

the locating lever that contacts the filtration bottle or the bracing piece runs through and has seted up the locating hole, the locating hole is threaded connection also has positioning screw, positioning screw supports tightly filtration bottle or the bracing piece, positioning screw keeps away from the one end of setting element is fixed connection also has the location spiral shell lid.

Through adopting above-mentioned technical scheme, locating component fixes the buchner flask on the iron stand platform, through revolving the location spiral shell lid soon, the relative position of control positioning screw and setting element, the terminal and the bottleneck lateral wall butt of buchner flask of the positioning screw in the cavity up to first running through, the second runs through the terminal and the bracing piece butt of the positioning screw in the cavity, through locating component and the cooperation of placing the subassembly, the buchner flask is placed more stably, locating component can dismantle with placing the subassembly in a flexible way, and adjust according to the size of bracing piece, can adapt to multiple different iron stand platforms and buchner flask.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the hydrocarbon waste gas is discharged from the chromatograph to the filter flask through the metal pipe, when the vacuum pump works, the gas in the filter flask is sucked out through the thin neck on the side wall of the filter flask, the pressure in the flask is reduced, and the hydrocarbon waste gas is discharged into the vacuum pump from the thin neck, so that the condition that the hydrocarbon waste gas is directly discharged into the air is improved;

(2) the positioning component is matched with the placing component, so that the filter flask is placed more stably, the positioning component and the placing component can be flexibly detached, and the filter flask can be adapted to various different iron stand tables and filter flasks according to the size adjustment of the supporting rod;

(3) set up the laminating fillet through the terminal surface placing pole contact buchner flask, the buchner flask is placed when placing the pole, because the action of gravity, and the buchner flask is stable in the fillet of laminating, and the device is stable, is difficult for empting.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the construction of the filter flask, the brandreth table, the positioning assembly, and the placement assembly;

FIG. 3 is a rear view of FIG. 2;

FIG. 4 is a schematic structural view of a positioning assembly and a placement assembly;

FIG. 5 is a schematic diagram of the configuration of the iron stand, positioning assembly and placement assembly;

fig. 6 is a schematic structural view of the hob head.

Reference numerals: 1. a metal pipeline; 2. a suction flask; 3. a bottle stopper; 4. a via hole; 5. a positioning member; 6. a vacuum pump; 7. a connecting pipe; 8. a positioning assembly; 9. placing the component; 10. a load bearing assembly; 11. a connecting rod; 12. a limiting member; 13. placing a rod; 14. A connecting rod; 15. a limiting hole; 16. a limit screw; 17. rotating the screw cap; 18. a support base; 19. an iron stand; 20. a support bar; 21. positioning a screw rod; 22. positioning a screw cap; 23. positioning a rod; 24. a connecting rod; 25. and (7) positioning the holes.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

An exhaust device for hydrocarbon waste gas applied to a chromatographic sample, as shown in fig. 1 and 2, comprises a right-angled Z-shaped metal pipeline 1 connected to a chromatographic sample gas generating device, wherein the metal pipeline 1 is placed in a Z-shaped plane. One end of the metal pipeline 1 is inserted into the body of the filter flask 2, and a bottle stopper 3 is movably connected between the metal pipeline 1 and the filter flask 2. The bottle plug 3 is rubber material and sealed tight bottleneck of stoppling at buchner flask 2, and the via hole 4 has been seted up in the bottle plug 3 penetration, and metal pipeline 1 passes via hole 4, and metal pipeline 1 is connected with 3 interference of bottle plug. As shown in fig. 3 and 4, the filter flask 2 is placed on the placing assembly 9, and the placing assembly 9 includes a right-angled U-shaped bearing assembly 10, an engaging rod 11 and a limiting member 12. The bearing assembly 10 comprises two placing rods 13 and two connecting rods 14 which are identical in size and shape and are arranged in parallel, wherein the placing rods 13 and the connecting rods 14 are quadrangular prisms. The connecting rod 14 connects the two placing rods 13, one end of the middle part of the connecting rod 14 far away from the placing rods 13 is fixedly connected with the connecting rod 11, and the shape of the connecting rod 11 can be prism-shaped or cylindrical. One end of the connecting rod 11 away from the bearing assembly 10 is fixedly connected with a limiting member 12, the shape of the limiting member 12 is the same as that of the bearing assembly 10, and the opening direction of the limiting member 12 is perpendicular to that of the bearing assembly 10. As shown in fig. 5, the limiting member 12 is sleeved outside the cylindrical support rod 20, a limiting hole 15 is formed in one surface of the limiting member 12, which is away from the linking rod 11, a limiting screw 16 is connected to the limiting hole 15 through a screw thread, a plastic rotating screw cap 17 is fixedly connected to one end of the limiting screw 16, which is away from the limiting member 12, and wave-shaped stripes are formed on the side wall of the rotating screw cap 17. The relative position of the limit screw 16 and the limit piece 12 is controlled by screwing the rotary screw cap 17 until the end of the limit screw 16 abuts against the support rod 20. As shown in fig. 6, the support rod 20 is perpendicular to the iron and U-shaped support base 18, the support rod 20 is fixedly connected to the middle of the upper end surface of the support base 18, the upper end surface and the lower end surface of the support base 18 are parallel and have the same shape, and the support rod 20 and the support base 18 form a U-shaped iron support 19. As shown in fig. 2, a positioning assembly 8 is detachably connected to the neck of the filtration bottle 2, and the positioning assembly 8 is movably connected to and perpendicular to the support rod 20. The positioning assembly 8 comprises a right-angle S-shaped positioning piece 5, a positioning screw 21 and a positioning screw cap 22, wherein the positioning piece 5 comprises three positioning rods 23 which are identical in size and shape and are arranged in parallel, and the three positioning rods 23 are connected end to end through a connecting rod 24. The two adjacent positioning rods 23 and the connecting rod 24 between the two positioning rods form a through cavity, and the through cavity comprises a first through cavity and a second through cavity. The bottleneck of buchner flask 2 is placed perpendicularly in first cavity that runs through, and bracing piece 20 is placed perpendicularly in the second cavity that runs through, and locating hole 25 has been seted up in the contact buchner flask 2 or the locating lever 23 of bracing piece 20 runs through, and locating hole 25 threaded connection has positioning screw 21. One end of the positioning screw 21 far away from the positioning piece 5 is fixedly connected with a positioning screw cap 22 made of plastic, and the side wall of the positioning screw cap 22 is provided with wave-shaped stripes. The relative position of the positioning screw 21 and the positioning piece 5 is controlled by screwing the positioning screw cap 22 until the tail end of the positioning screw 21 in the first through cavity abuts against the side wall of the bottle neck of the filter flask 2, and the tail end of the positioning screw 21 in the second through cavity abuts against the support rod 20. The thin neck on the lateral wall of the filtration bottle 2 is connected with a vacuum pump 6, and the thin neck is communicated with the vacuum pump 6 through a connecting pipe 7 made of plastic materials.

The implementation principle of the embodiment is as follows: by discharging the hydrocarbon waste gas from the chromatograph to the filter flask 2 through the metal pipeline 1, when the vacuum pump 6 works, the gas in the filter flask 2 is sucked out through the thin neck on the side wall of the filter flask 2, the pressure in the flask is reduced, and the hydrocarbon waste gas is discharged into the vacuum pump 6 from the thin neck, so that the condition that the hydrocarbon waste gas is directly discharged into the air is improved. The relative position of the limit screw 16 and the limit part 12 is controlled by screwing the rotary screw cap 17, until the tail end of the limit screw 16 is abutted against the support rod 13, the limit part 12 can be flexibly detached, and the iron support can be adapted to iron support platforms 19 with various differences according to the size adjustment of the support rod 13. Through locating component 8 and the cooperation of placing subassembly 9, filter flask 2 places more stably, and locating component 8 can dismantle in a flexible way with placing subassembly 9 to adjust according to the size of bracing piece 13, can adapt to multiple different brandreth platform 19 and filter flask 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the present invention should be covered.

Claims

1. The discharge device applied to the chromatographic sample hydrocarbon waste gas comprises a metal pipeline (1) and is characterized in that one end of the metal pipeline (1) is inserted into a filter flask (2), a bottle stopper (3) is movably connected between the metal pipeline (1) and the filter flask (2), the bottle stopper (3) is tightly sealed at the bottle opening of the filter flask (2), and a through hole (4) is formed in the bottle stopper (3) in a penetrating manner;

the metal pipeline (1) penetrates through the through hole (4), and the metal pipeline (1) is in interference connection with the bottle stopper (3);

the side wall of the filtration bottle (2) is communicated with a vacuum pump (6) through a soft connecting pipe (7).

2. The discharge device for hydrocarbon waste gas of chromatographic samples according to claim 1, characterized in that the filter flask (2) is placed on a placing component (9), the placing component (9) comprises a bearing component (10), a connecting rod (11) and a limiting component (12), the bearing component (10) comprises a placing rod (13) and a connecting rod (14), the number of the placing rods (13) is two, and the connecting rod (14) connects the two placing rods (13);

the joint rod (11) is fixedly connected with the bearing component (10), and one end of the joint rod, which is far away from the bearing component (10), is fixedly connected with the limiting piece (12);

the limiting piece (12) is fixedly connected with a supporting rod (20) and perpendicular to the supporting rod (20), and the supporting rod (20) is perpendicular to the supporting base (18).

3. The discharge device for hydrocarbon waste gas in chromatographic sample according to claim 2, wherein the end of the connecting rod (14) far from the placing rod (13) is fixedly connected to the connecting rod (11), the position-limiting member (12) is U-shaped, and the opening direction of the position-limiting member (12) is perpendicular to the opening direction of the bearing component (10).

4. The discharging device for hydrocarbon waste gas of chromatographic samples according to claim 3, characterized in that a limiting hole (15) is opened on the side of the limiting member (12) far from the connecting rod (11), a limiting screw (16) is screwed into the limiting hole (15), and a rotary screw cap (17) is fixedly connected to one end of the limiting screw (16) far from the limiting member (12).

5. The discharge device for hydrocarbon waste gas of chromatographic samples according to claim 2, characterized in that the end face of the placing rod (13) contacting the filter flask (2) is provided with a fitting round angle.

6. An exhaust device for hydrocarbon off-gas applied to chromatographic samples according to claim 4, characterized in that the side wall of the rotary screw cap (17) is provided with wave-shaped stripes.

7. The discharge device for hydrocarbon waste gas of chromatographic samples according to claim 2, characterized in that a positioning component (8) is detachably connected to the neck of the filter flask (2), and the positioning component (8) comprises an S-shaped positioning member (5), a positioning screw (21) and a positioning screw cap (22);

the positioning piece (5) comprises at least three positioning rods (23) which are arranged in parallel, the positioning rods (23) are connected end to end through connecting rods (24), a plurality of penetrating cavities are formed between every two adjacent positioning rods (23) and the connecting rods (24), the bottleneck of the filter flask (2) is arranged in one penetrating cavity, and the supporting rod (20) is vertically arranged in the other penetrating cavity;

contact buchner flask (2) perhaps bracing piece (20) locating lever (23) run through and have seted up locating hole (25), also threaded connection has positioning screw (21) locating hole (25), positioning screw (21) support tightly buchner flask (2) perhaps bracing piece (20), positioning screw (21) are kept away from also fixedly connected with location spiral shell lid (22) of one end of setting element (5).