Heating block for vaporization of gas chromatograph

Abstract

The utility model relates to the technical field of gas chromatographs, and discloses a heating block for vaporization of a gas chromatograph, which comprises a main body, a vaporizing chamber shell is arranged on one side of the main body, a temperature control pipe is clamped in the main body, a top plate is clamped at the top of the main body, a clamping pipe is fixedly mounted on one side of the main body, and a gas conveying pipe is fixedly mounted on one side of the clamping pipe. According to the heating block for vaporization of the gas chromatograph, through the arrangement of the shell, the temperature control pipe, the gas conveying pipe and the temperature control module, the device can be more convenient to operate, through the combination of the designed temperature control pipe and the temperature control module, accurate control over the temperature in the vaporizing chamber is achieved, and through the design, it is ensured that a sample can be evenly heated in the vaporizing process; therefore, the gasification efficiency and accuracy are improved, a stable gaseous sample is provided for subsequent chromatographic analysis, and high efficiency and sealing performance of gas in the transmission process are ensured through the clamping design of the clamping pipe and the temperature control pipe and the tight connection of the gas transmission pipe and the clamping pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas chromatograph technical field, concretely is a kind of gas chromatograph vaporization with heating block. BACKGROUND

[0002] In gas chromatographic analysis, vaporization is an important step before sample enters chromatographic column for separation. The vaporization process requires that the sample can be rapidly and uniformly converted into a gaseous state to ensure the accuracy and stability of subsequent chromatographic analysis. However, the traditional vaporization device has some deficiencies in design and function, which affects the vaporization effect and the precision of chromatographic analysis

[0003] Chinese patent publication No. CN206725515U discloses a gas chromatograph vaporization heating block, which includes a cuboid block. Two first support through holes for placing carrier gas auxiliary components are symmetrically arranged longitudinally on the block. The lower end of the first support through hole is provided with a base integrally formed with the block, which has a circular hole with a diameter smaller than that of the first support through hole. A branch groove is arranged on one side of the first support through hole. A first heating hole is arranged on the right lower part of the block. The first heating hole is divided into three cylindrical sections with decreasing diameters from right to left and penetrates the entire block. The heating hole and the platinum resistance hole of the utility model are both three cylindrical through holes with decreasing diameters. When the heating rod and the platinum resistance stick to the block due to block expansion, a tool is used to apply force in the opposite direction at the other end of the hole, which can easily remove the adhered heating rod or platinum resistance rod, prolonging the service life of the heating block.

[0004] However, the utility model has the following problems in actual use:

[0005] The gas transmission system of the utility model is not optimized in actual use. The heating block in the comparative case is not described in detail in terms of gas transmission, especially in terms of the sealing and efficiency of gas transmission, resulting in low practicality of the device. SUMMARY

[0006] (I) Technical problems solved

[0007] In order to overcome the above-mentioned defects of the prior art, the utility model provides a gas chromatograph vaporization heating block, which solves the problems in the prior art that:

[0008] The gas transmission system of the utility model is not optimized in actual use. The heating block in the comparative case is not described in detail in terms of gas transmission, especially in terms of the sealing and efficiency of gas transmission, resulting in low practicality of the device.

[0009] (II) Technical solutions

[0010] In order to achieve the above object, the utility model discloses a heating block for vaporization of gas chromatograph, including the main part, one side of main part is equipped with the vaporization chamber casing, the inside joint of main part has temperature control pipe, the top joint of main part has the top board, one side of main part is fixedly installed with the joint pipe, one side of joint pipe is fixedly installed with the gas delivery pipe, the bottom fixed mounting of main part has the temperature control module.

[0011] Further, the middle part of the main body is provided with a storage groove, and the four corners of the main body are fixedly installed with studs.

[0012] Further, the top of the vaporization chamber casing is fixedly installed with a discharge groove, and the four corners of the vaporization chamber casing are provided with connecting grooves, which are threadedly connected with the studs of the main body.

[0013] Further, the temperature control pipe is fixedly installed with a gas delivery disc on one side, and the temperature control pipe is jointed with a connecting sleeve ring on one side.

[0014] Further, the four corners of the top plate are fixedly installed with bolts, and the outer surface of the top plate is provided with a protective surface.

[0015] Further, the joint pipe is fixedly connected with a penetrating disc on one side, and the inner wall of the joint pipe on one side is provided with a transmission pipe, and the joint pipe on one side is jointed with the connecting sleeve ring on one side of the temperature control pipe through the penetrating disc.

[0016] Further, the gas delivery pipe is fixedly installed with a hexagonal bolt on one side, and the gas delivery pipe is jointed with the joint pipe on one side through the hexagonal bolt.

[0017] Further, the bottom of the temperature control module is fixedly installed with a connecting disc, and the four corners of the connecting disc are fixedly installed with nodes.

[0018] (Three) beneficial effects

[0019] The utility model provides a kind of heating block for vaporization of gas chromatograph, with following beneficial effects:

[0020] The heating block for vaporization of gas chromatograph is cooperatively arranged by the casing, the temperature control pipe, the gas delivery pipe and the temperature control module, so that the device is more convenient to operate during use. The combination of the temperature control pipe and the temperature control module realizes accurate control of the temperature in the vaporization chamber. This design ensures uniform heating of the sample during vaporization, thereby improving the efficiency and accuracy of vaporization. It provides stable gaseous samples for subsequent chromatographic analysis. The joint design of the joint pipe and the temperature control pipe, as well as the tight connection of the gas delivery pipe and the joint pipe, ensures the efficiency and sealing of the gas during transmission, avoids gas leakage and improves the overall performance of the instrument. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 It is a structure schematic view of the utility model;

[0022] Fig. 2 It is a structure schematic view of the utility model temperature control module;

[0023] Fig. 3 It is a structure schematic view of the utility model temperature control tube;

[0024] Fig. 4 It is a structure schematic view of the utility model clamping pipe.

[0025] In the figure: 1, main body;2, gasification chamber shell;3, temperature control tube;4, top plate;5, clamping pipe;6, gas conveying pipe;7, temperature control module;8, storage tank;9, stud;10, discharge groove;11, connecting groove;12, gas conveying disc;13, connecting sleeve ring;14, bolt;15, protective surface;16, penetrating disc;17, transmission pipe;18, hexagonal bolt;19, connecting disc;20, node. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a heating block for gas chromatograph vaporization, which is mainly applied to the scene of chromatograph vaporization heating.

[0028] Embodiment one:

[0029] In order to make the device more convenient to operate when in use, the device main body 1 and the gasification chamber shell 2 are provided;

[0030] One side of the main body 1 is provided with a gasification chamber shell 2, the middle of the main body 1 is provided with a storage groove 8, the four corners of the main body 1 are fixedly installed with studs 9, the top of the gasification chamber shell 2 is fixedly installed with a discharge groove 10, the four corners of the gasification chamber shell 1 are provided with connecting grooves 11, the connecting grooves 11 are threadedly connected with the studs 9 of the main body 1, so that the inside of the main body 1 is clamped with a temperature control pipe 3 for transmitting heating medium such as hot air or heating oil to control the temperature in the gasification chamber, the top of the main body 1 is clamped with a top plate 4 for closing the top of the main body 1 and protecting the internal parts, the bottom of the main body 1 is fixedly installed with a temperature control module 7 for receiving external control signals and adjusting the temperature of the temperature control pipe 3, the top of the gasification chamber shell 2 is fixedly installed with a discharge groove 10 for discharging the gasified gas to the subsequent part of the gas chromatograph, the four corners of the gasification chamber shell 2 are provided with connecting grooves 11, which are threadedly connected with the four corner studs 9 of the main body 1 to ensure the stable connection of the gasification chamber shell 2 and the main body 1;

[0031] Example two:

[0032] In order to make the device more convenient to transport temperature when in use, the device temperature control pipe 3, the clamping pipe 5 and the gas conveying pipe 6 are provided;

[0033] The inside of the main body 1 is clamped with a temperature control pipe 3, one side of the clamping pipe 5 is fixedly installed with a gas conveying pipe 6, one side of the temperature control pipe 3 is fixedly installed with a gas conveying disc 12, one side of the temperature control pipe 3 is clamped with a connecting sleeve ring 13, one side of the clamping pipe 5 is fixedly connected with a penetrating disc 16, the inner wall of one side of the clamping pipe 5 is provided with a transmission pipe 17, one side of the clamping pipe 5 is clamped with the connecting sleeve ring 13 on one side of the temperature control pipe 3 through the penetrating disc 16, one side of the gas conveying pipe 6 is fixedly installed with a hexagonal bolt 18, one side of the gas conveying pipe 6 is clamped with one side of the clamping pipe 5 through the hexagonal bolt 18, so that one side of the temperature control pipe 3 is fixedly installed with a gas conveying disc 12 for uniform distribution of heating medium, the other side of the temperature control pipe 3 is clamped with a connecting sleeve ring 13 for connection with the clamping pipe 5, one side of the clamping pipe 5 is fixedly connected with a penetrating disc 16, the penetrating disc 16 is provided with a transmission pipe 17 for transmitting heating medium from the temperature control pipe 3 to the inside of the gasification chamber shell 2, one side of the clamping pipe 5 is clamped with the connecting sleeve ring 13 on one side of the temperature control pipe 3 through the penetrating disc 16 to ensure smooth transmission of heating medium, one side of the gas conveying pipe 6 is fixedly installed with a hexagonal bolt 18, which is clamped with one side of the clamping pipe 5 through the hexagonal bolt 18 to ensure the sealing of the gas in the transmission process;

[0034] Example three:

[0035] In order to make the device more practical when in use, the top plate 4 and the temperature control module 7 are provided;

[0036] The top of the main body 1 is clamped with a top plate 4, the bottom of the main body 1 is fixedly installed with a temperature control module 7, the four corners of the top plate 4 are fixedly installed with bolts 14, the outer surface of the top plate 4 is provided with a protective surface 15, the bottom of the temperature control module 7 is fixedly installed with a connecting disc 19, the four corners of the connecting disc 19 are fixedly installed with nodes 20, so that the four corners of the top plate 4 are fixedly installed with the bolts 14, which is used for fixing the top plate 4 on the top of the main body 1, the outer surface of the top plate 4 is provided with the protective surface 15, which is used for protecting the top plate 4 from being damaged by the outside world, the bottom of the temperature control module 7 is fixedly installed with the connecting disc 19, and the four corners of the connecting disc 19 are fixedly installed with the nodes 20, which is used for being connected with an external control device to receive a control signal.

[0037] The electrical components appearing in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer.

[0038] In the utility model, the working steps of the device are as follows:

[0039] Firstly, the gasification chamber shell 2 is screwed with the stud 9 of the main body 1 through the connecting groove 11, so that the gasification chamber shell 2 is stably installed on the main body 1, then the temperature control pipe 3 is clamped in the main body 1 and clamped with the penetrating disc 16 of the clamping pipe 5 through the connecting sleeve ring 13, then the gas conveying pipe 6 is clamped with the clamping pipe 5 through the hexagonal bolt 18, so as to ensure the sealing property of gas transmission, finally, the top plate 4 is fixed on the top of the main body 1 through the bolt 14, secondly, the temperature control module 7 is started, the external control signal is received through the node 20 of the connecting disc 19, the temperature of the temperature control pipe 3 is adjusted, the heating medium flows in the temperature control pipe 3, is transmitted to the inside of the gasification chamber shell 2 through the clamping pipe 5, and the sample is heated and gasified, the gas after gasification is discharged to the subsequent part of the gas chromatograph through the discharge groove 10 for further analysis, finally, during use, the connection conditions of each part are checked regularly, so as to ensure that there is no looseness or leakage, the sundries in the storage groove 8 are cleaned regularly, the cleaning of the heating medium is maintained, if a fault occurs or needs to be repaired, each part is disassembled according to the disassembly steps for repair or replacement.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A heating block for vaporization in a gas chromatograph comprising a main body (1), characterized in that: One side of the main body (1) is provided with a gasification chamber shell (2), the inside of the main body (1) is clamped with a temperature control pipe (3), the top of the main body (1) is clamped with a top plate (4), one side of the main body (1) is fixedly installed with a clamping pipe (5), one side of the clamping pipe (5) is fixedly installed with a gas conveying pipe (6), and the bottom of the main body (1) is fixedly installed with a temperature control module (7).

2. The heating block for vaporizing in a gas chromatograph according to claim 1, wherein: The middle part of the main body (1) is provided with a storage groove (8), and the four corners of the main body (1) are fixedly installed with studs (9).

3. The heating block for vaporizing in a gas chromatograph according to claim 2, wherein: The top of the gasification chamber shell (2) is fixedly installed with a discharge groove (10), and the four corners of the gasification chamber shell (2) are provided with connecting grooves (11), which are in threaded connection with the studs (9) of the main body (1).

4. The heating block for vaporizing in a gas chromatograph according to claim 1, wherein: One side of the temperature control pipe (3) is fixedly installed with a gas conveying disc (12), and one side of the temperature control pipe (3) is clamped with a connecting sleeve ring (13).

5. The heating block for vaporizing in a gas chromatograph according to claim 1, wherein: The four corners of the top plate (4) are fixedly installed with bolts (14), and the outer surface of the top plate (4) is provided with a protective surface (15).

6. The heating block for vaporizing in a gas chromatograph according to claim 4, wherein: One side of the clamping pipe (5) is fixedly connected with a penetrating disc (16), the inner wall of one side of the clamping pipe (5) is provided with a transmission pipe (17), and one side of the clamping pipe (5) is clamped with the connecting sleeve ring (13) on one side of the temperature control pipe (3) through the penetrating disc (16).

7. The heating block for vaporizing in a gas chromatograph according to claim 1, wherein: One side of the gas conveying pipe (6) is fixedly installed with a hexagonal bolt (18), and one side of the gas conveying pipe (6) is clamped with one side of the clamping pipe (5) through the hexagonal bolt (18).

8. The heating block for vaporizing in a gas chromatograph according to claim 1, wherein: The bottom of the temperature control module (7) is fixedly installed with a connecting disc (19), and the four corners of the connecting disc (19) are fixedly installed with nodes (20).

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