CN209280643U - On-line gas chromatography - Google Patents

Abstract

The utility model belongs to gas chromatograph techniques field, in particular on-line gas chromatography, including casing assembly and detection components, the detection components include producing gas tank, tolerance valve, gas collecting tube, chromatographic column, exhaust pipe, tester, plasticine and connector, the inside of the cabinet is fixed with the production gas tank, the upper surface for producing gas tank is fixed with the gas collecting tube, and the inside of the gas collecting tube is fixed with the tolerance valve；Telescoping tube has been increased newly by the bottom in cabinet, the material of the telescoping tube is plastics, and own can extend shortening under the effect of external force, be equipped with spring and support in the inside of telescoping tube, on the one hand cabinet can be supported, it prevents the water spilt on desktop from entering cabinet, on the other hand can encounter bumpy road in transport and reduce vibration, and be pasted with rubber pad in the bottom of telescoping tube, rubber pad has high resiliency, with good damping, cushion performance can absorb impact.

Description

On-line gas chromatography

Technical field

The utility model belongs to gas chromatograph techniques field, and in particular to on-line gas chromatography.

Background technique

Gas chromatograph is to use gas as the chromatography instrument of mobile phase.Its principle is mainly to utilize the boiling of substance The difference of point, polarity and adsorption property realizes the separation of mixture.Sample to be analysed is after vaporizer gasification by inert gas band Enter in chromatographic column, liquid or solid stationary phase is contained in column, each component tends between mobile phase and stationary phase in sample Form distribution or adsorption equilibrium.With the flowing of carrier gas, sample component carries out repeated multiple times distribution or absorption/solution during exercise It inhales, the big component of concentration is distributed in carrier gas and first flows out chromatographic column, and flowed out after distributing the big component of concentration in stationary phase.Group It is measured after distributing chromatographic column into detector.

Existing technology has the following problems:

1, since the volume of gas chromatograph is larger, instrument is expensive, is easy to drop damage in carrying handling process, and And bumpy road is encountered during truck long-distance transport, gas chromatograph can be caused to hit carrying car bottom plate, generated violent Vibration, also result in internal precision element contact loosen, influence using；

2, it since the device can carry out quantitative analysis to gas is passed through, is needed when being passed through gas by external pipeline and collection The connection sealing of tracheae connection, the part can be general, it sometimes appear that causing measurement data not accurate enough the phenomenon that gas leakage.

Utility model content

To solve the problems mentioned above in the background art.The utility model provides on-line gas chromatography, has knot Structure is simple, and manufacturing cost is low, can reduce the device generation vibration, gas chromatograph is protected, improve the device with The characteristics of leakproofness of external pipe connection.

To achieve the above object, the utility model provides the following technical solutions: on-line gas chromatography, including casing assembly And detection components, the casing assembly include cabinet, display screen, rubber pad, telescoping tube, spring and support, before the cabinet Surface side is fixed with the display screen, and the lower surface of the cabinet is fixed with the telescoping tube, and the inside of the telescoping tube is solid Surely there is the spring, the both ends of the spring are fixed with the support, and the bottom of the telescoping tube is pasted with the rubber pad, institute Stating detection components includes producing gas tank, tolerance valve, gas collecting tube, chromatographic column, exhaust pipe, tester, plasticine and connector, described The inside of cabinet is fixed with the production gas tank, and the upper surface for producing gas tank is fixed with the gas collecting tube, the gas collecting tube it is interior Portion is fixed with the tolerance valve, and one end lateral wall of the gas collecting tube is fixed with the connector, the inside of the connector It is fixed with the plasticine, the other end of the gas collecting tube is fixed with the chromatographic column, and one end of the chromatographic column is fixed Exhaust pipe is stated, one end upper surface of the chromatographic column is fixed with the tester.

Preferably, the connector is in hollow cylinder design.

Preferably, the lateral wall of the gas collecting tube extend the cabinet part be equipped with external screw thread, the external screw thread with The gas collecting tube is fixedly connected.

Preferably, the lateral wall two sides of the cabinet open up heat release hole.

Preferably, the input terminal of the output end of the tester and the display screen is electrically connected.

Preferably, the front surface of the cabinet is symmetrically arranged with handle, the handle and the welding box body along vertical center line It is fixed.

Preferably, the material of the telescoping tube is polystyrene.

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

1, it in the utility model, improves, has been increased newly by the bottom in cabinet flexible on the basis of original device The material of pipe, the telescoping tube is plastics, and own can extend shortening under the effect of external force, be equipped in the inside of telescoping tube On the one hand spring and support can be supported cabinet, prevent the water spilt on desktop from entering cabinet, on the other hand can be Bumpy road is encountered when transport and reduces vibration, and is pasted with rubber pad in the bottom of telescoping tube, and rubber pad has high resiliency, has Good damping, cushion performance can absorb impact.

2, in the utility model, by having increased cylindrical connector newly, the inside of connector is placed with plasticine, can incite somebody to action Gas collecting tube is docked with external pipeline, and plasticine is squeezed and deformed, and is plugged the gap, can be just right accomplish to be seamlessly connected, rise To the effect of sealing, material is feasible, at low cost, improves the accuracy of device measurement.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram of internal structure of the utility model；

Fig. 3 is the right side structural representation of the utility model；

Fig. 4 is enlarged structure schematic diagram at the A in the utility model；

Fig. 5 is the telescoping tube schematic diagram of internal structure in the utility model；

In figure: 10, casing assembly；11, cabinet；12, display screen；13, rubber pad；14, telescoping tube；15, spring；16, it props up Seat；20, detection components；21, gas tank is produced；22, tolerance valve；23, gas collecting tube；24, chromatographic column；25, exhaust pipe；26, tester； 27, plasticine；28, connector.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Fig. 1-5 is please referred to, the utility model is the following technical schemes are provided: on-line gas chromatography, including casing assembly 10 With detection components 20, casing assembly 10 includes cabinet 11, display screen 12, rubber pad 13, telescoping tube 14, spring 15 and support 16, The front surface side of cabinet 11 is fixed with display screen 12, and the lower surface of cabinet 11 is fixed with telescoping tube 14, the inside of telescoping tube 14 It is fixed with spring 15, which is helical spring, and the both ends of spring 15 are fixed with support 16, and support 16 is in the form of annular discs, material For rubber, the bottom of telescoping tube 14 is pasted with rubber pad 13, and detection components 20 include producing gas tank 21, tolerance valve 22, gas collecting tube 23, chromatographic column 24, exhaust pipe 25, tester 26, plasticine 27 and connector 28, the inside of cabinet 11, which is fixed with, produces gas tank 21, The upper surface for producing gas tank 21 is fixed with gas collecting tube 23, the fixed valve 22 with tolerance in the inside of gas collecting tube 23, and tolerance valve 22 is used for The gas flow being passed through in gas collecting tube 23 is adjusted, one end lateral wall of gas collecting tube 23 is fixed with connector 28, the inside of connector 28 It is fixed with plasticine 27, which is industrial plasticine, is not degenerated after long-term storage, the other end of gas collecting tube 23 is fixed with chromatographic column 24, one end of chromatographic column 24 is fixed with exhaust pipe 25, and the material of gas collecting tube 23 and exhaust pipe 25 is polyvinyl chloride, at low cost, color One end upper surface of spectrum column 24 is fixed with tester 26.

Specifically, connector 28 is in hollow cylinder design, the material of connector 28 is polyethylene terephthalate Ester is one kind of plastics, holds plasticine 27 in its inside, the thickness of plasticine 27 is less than the length of connector 28, in this way Plasticine 27 can be avoided to leak outside when pipeline connects.

Specifically, the part that the lateral wall of gas collecting tube 23 extends cabinet 11 is equipped with external screw thread, external screw thread and gas collecting tube 23 It is fixedly connected, external screw thread can be docked with external pipeline, easy to operate.

Specifically, the lateral wall two sides of cabinet 11 open up heat release hole, which is rectangle through slot, can make cabinet 11 The heat of interior generation sheds through hole, to reduce heat build-up.

Specifically, the input terminal of the output end of tester 26 and display screen 12 is electrically connected, tester 26 can detecte logical Enter the numerical value of gas generation, and numerical information is passed into display screen 12, the output end of display screen 12 is displayed on the screen.

Specifically, the front surface of cabinet 11 is symmetrically arranged with handle along vertical center line, handle and the welding of cabinet 11 are solid, handle Quantity is two, can be convenient to gas chromatograph shift position, when dismantling the inspection element of cabinet 11, is also convenient for removing part Cabinet 11.

Specifically, the material of telescoping tube 14 is polystyrene, telescoping tube 14 is also telescopic joint, FlexbleJoint, telescoping tube 14 can extend shortening under the effect of external force, change the length of itself, and vibration can be absorbed in this way, can be widely used in and subtract Shake aspect.

The working principle and process for using of the utility model: the utility model docks external pipeline with gas collecting tube 23, It is placed with plasticine 27 in connector 28 on gas collecting tube 23, can be squeezed and deformed, be plugged the gap by plasticine 27 in this way, energy It is enough just right to accomplish to be seamlessly connected with gas collecting tube 23, play the role of sealing, it, can be by gas after pipeline connection By producing in gas tank 21, then brought into chromatographic column 24 by inert gas, 26 detection gas of tester just transmit output information It to the input terminal of display screen 12, is just shown on 12 interface of display screen in this way, wherein tolerance valve 22 on gas collecting tube 23 can be with The gas flow being passed through is adjusted, has increased telescoping tube 14 newly in the bottom of cabinet 11, it can extend shortening, and install in its inside There are spring 15 and support 16, on the one hand cabinet 11 can be supported, prevents the water spilt on desktop from entering cabinet 11, it is another Aspect can encounter bumpy road in transport and reduce vibration.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (7)

1. on-line gas chromatography, including casing assembly (10) and detection components (20), the casing assembly (10) includes cabinet (11), display screen (12), rubber pad (13), telescoping tube (14), spring (15) and support (16), it is characterised in that: the cabinet (11) front surface side is fixed with the display screen (12), and the lower surface of the cabinet (11) is fixed with the telescoping tube (14), the inside of the telescoping tube (14) is fixed with the spring (15), and the both ends of the spring (15) are fixed with the support (16), the bottom of the telescoping tube (14) is pasted with the rubber pad (13), the detection components (20) include produce gas tank (21), Tolerance valve (22), gas collecting tube (23), chromatographic column (24), exhaust pipe (25), tester (26), plasticine (27) and connector (28), the inside of the cabinet (11) is fixed with the production gas tank (21), and the upper surface for producing gas tank (21) is fixed with described Gas collecting tube (23), the inside of the gas collecting tube (23) are fixed with the tolerance valve (22), outside one end of the gas collecting tube (23) Side wall is fixed with the connector (28), and the inside of the connector (28) is fixed with the plasticine (27), the gas collecting tube (23) the other end is fixed with the chromatographic column (24), and one end of the chromatographic column (24) is fixed with the exhaust pipe (25), institute One end upper surface for stating chromatographic column (24) is fixed with the tester (26).

2. on-line gas chromatography according to claim 1, it is characterised in that: the connector (28) is in hollow cylinder Shape design.

3. on-line gas chromatography according to claim 1, it is characterised in that: the lateral wall of the gas collecting tube (23) extends The part of the cabinet (11) is equipped with external screw thread out, and the external screw thread is fixedly connected with the gas collecting tube (23).

4. on-line gas chromatography according to claim 1, it is characterised in that: open the lateral wall two sides of the cabinet (11) If heat release hole.

5. on-line gas chromatography according to claim 1, it is characterised in that: the output end of the tester (26) and institute The input terminal for stating display screen (12) is electrically connected.

6. on-line gas chromatography according to claim 1, it is characterised in that: the front surface of the cabinet (11) is along vertical Middle line is symmetrically arranged with handle, and the handle is welded and fixed with the cabinet (11).

7. on-line gas chromatography according to claim 1, it is characterised in that: the material of the telescoping tube (14) is polyphenyl Ethylene.