CN219348766U

CN219348766U - Gas chromatograph protection device with heat dissipation function

Info

Publication number: CN219348766U
Application number: CN202320364729.1U
Authority: CN
Inventors: 程敏; 易慧华
Original assignee: Stande Testing Guangzhou Co ltd
Current assignee: Stande Testing Guangzhou Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-14
Anticipated expiration: 2033-03-01

Abstract

The utility model discloses a gas chromatograph protection device with a heat dissipation function, which comprises a heat dissipation box, an oil pump, a cooling box and a refrigerator, wherein a chromatographic column is arranged in the heat dissipation box, a cooling cavity is arranged between the chromatographic column and the heat dissipation box, an air inlet pipe is fixedly arranged on the top surface of the heat dissipation box, one end of the air inlet pipe is connected with the chromatographic column, an exhaust pipe is fixedly arranged on one side surface of the heat dissipation box, and one end of the exhaust pipe is connected with the chromatographic column. According to the utility model, the oil pump pumps the cooling liquid in the cooling box into the cooling cavity to cool the chromatographic column, the cooling liquid after absorbing heat is discharged from the liquid outlet pipe and flows back into the cooling box through the circulating pipe, and then the cooling liquid with higher temperature in the cooling box is cooled through the refrigerator, so that the cooling liquid is circulated, the purpose of circularly cooling and cooling the chromatographic column can be achieved, the damage probability of the chromatographic column due to high temperature is reduced, the service performance of the chromatographic column is ensured, and the service life of the chromatographic column is prolonged.

Description

Gas chromatograph protection device with heat dissipation function

Technical Field

The utility model relates to the technical field of gas chromatographs, in particular to a gas chromatograph protection device with a heat dissipation function.

Background

The gas chromatograph gasifies the analysis sample in the sample inlet, brings the analysis sample into the chromatographic column by the carrier gas, separates each component by the chromatographic column with different retention properties to the components in the mixture to be detected, sequentially introduces the components into the detector to obtain the detection signal of each component, and according to the sequence of introducing the components into the detector, can distinguish what component is by comparison, can calculate the content of each component according to the peak height or peak area, and the commonly adopted detector is: thermal conductivity detectors, flame ionization detectors, helium ionization detectors, ultrasonic detectors, photoionization detectors, electron capture detectors, flame photometric detectors, electrochemical detectors, mass spectrometry detectors, and the like. In the prior art, when the chromatographic column of the gas chromatograph works normally, a certain flow of carrier gas is needed, and when the chromatographic column does not have carrier gas flow under the working condition, certain chromatographic columns can be damaged due to high temperature, the performance of the chromatographic column can be reduced, and the service life of the chromatographic column can be shortened.

The prior art has the following problems:

after a large number of searches, the Chinese patent publication number: CN209148615U discloses a gas chromatograph with protection device, which comprises a case, the installation cavity has been seted up to the inside of quick-witted case, the inside fixed mounting of quick-witted case has the gas cylinder that is located the installation cavity inside, the right side intercommunication of gas cylinder has the gas supply pipe, the right side intercommunication of gas supply pipe has the collecting pipe, the inside fixed mounting of gas supply pipe has the air flow sensor that one end extends to the gas supply pipe outside, the top intercommunication of collecting pipe has the solenoid valve, the top intercommunication of solenoid valve has one end to extend to the filter tube outside the machine case, the inside fixed mounting of filter tube has the baffle, the inside of baffle has seted up the gas pocket, the inside movable mounting of filter tube has the sponge piece that is located the baffle top, the bottom intercommunication of collecting pipe has the chromatographic column, the right side intercommunication of chromatographic column has the detection end, the right side intercommunication of detection end has the blast pipe that one end extends to the machine case outside, the inside fixed mounting of machine case has the control module that one end is located the solenoid valve outside, the bottom fixed mounting of control module has the battery, bottom fixed mounting of battery has the air flow sensor that is connected with the solenoid valve, the filter tube that one end extends to the machine case outside, the inside of filter tube has the inside fixed mounting of baffle, the inside fixed mounting has the baffle, the inside of the filter tube has the inside the chromatographic column through the inside of the chromatographic column, the detection end is can's detection end through the inside the detection end, the inside the chromatographic column is can be carried out the detection end through the inside detection end, the inside the detection end, the detection end is can be passed through the inside the detection end, and the inside detection end is detected through the inside the detection end.

However, the above patent still has the problem that needs the improvement in the in-service use, and is comparatively obvious after the chromatographic column intensifies, to the problem that the cooling radiating effect of chromatographic column remains to be improved to the result of use to the chromatographic column influences.

For this reason, we propose a gas chromatograph protection device with heat dissipation function to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a gas chromatograph protection device with a heat dissipation function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a gas chromatograph protection device with heat dissipation function, includes radiating bin, oil pump, cooler bin and refrigerator, radiating bin's internally mounted has the chromatographic column, and is provided with cooling chamber between chromatographic column and the radiating bin, radiating bin's top surface fixed mounting has the intake pipe, and the one end and the chromatographic column of intake pipe are connected, radiating bin's one side fixed surface installs the blast pipe, and the one end and the chromatographic column of blast pipe are connected, the inside of cooler bin is provided with the coolant liquid, cooling bin's one side fixed surface installs the oil pump, and the drain pipe is installed to the drain end of oil pump and the feed liquor pipe intercommunication of radiating bin opposite side surface lower extreme installation, the circulating pipe is installed to the opposite side upper end of drain pipe to the other end and the cooler bin intercommunication of circulating pipe, the refrigerator passes through pipeline and cooler bin intercommunication.

Preferably, the top surface of the cooling box is provided with a liquid injection pipe, the bottom surface of the cooling box is provided with a liquid discharge pipe, and the surface of the liquid discharge pipe is provided with a valve.

Preferably, a controller is fixedly arranged on one side surface of the heat dissipation box, and the controller is electrically connected with the refrigerator and the oil pump through wires.

Preferably, the diameter of the cooling chamber is greater than the diameter of the chromatographic column.

Preferably, the heat dissipation box is of a hollow cylinder structure, and the heat dissipation box is made of 304 stainless steel.

Preferably, one end of the air inlet pipe is communicated with an external air bottle.

Preferably, one end of the exhaust pipe is communicated with an external detection end.

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

1. according to the utility model, the cooling tank is arranged, the oil pump pumps the cooling liquid in the cooling tank into the cooling cavity to cool the chromatographic column, the cooling liquid after absorbing heat is discharged from the liquid outlet pipe and flows back into the cooling tank through the circulating pipe, and then the cooling liquid with higher temperature in the cooling tank is cooled through the refrigerator, so that the cooling tank is circulated, the purpose of circularly cooling and radiating the chromatographic column can be achieved, the damage probability of the chromatographic column due to high temperature is reduced, the service performance of the chromatographic column is ensured, and the service life of the chromatographic column is prolonged.

2. According to the utility model, the liquid discharge pipe is arranged, the valve on the surface of the liquid discharge pipe is in a normally closed state, when the cooling liquid needs to be replaced, the cooling liquid can be discharged for replacement by opening the valve on the surface of the liquid discharge pipe, and the cooling liquid replacement is convenient and labor-saving.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a sectional view of a gas chromatograph protection device with heat dissipation function according to the present utility model;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a perspective view of the heat dissipating box.

Legend description:

1. a heat radiation box; 2. a chromatographic column; 3. an oil pump; 4. a cooling box; 5. a refrigerating machine; 6. a cooling chamber; 7. an air inlet pipe; 8. an exhaust pipe; 9. a liquid inlet pipe; 10. a liquid outlet pipe; 11. a circulation pipe; 12. a liquid injection pipe; 13. a liquid discharge pipe; 14. and a controller.

Detailed Description

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

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, a gas chromatograph protection device with heat dissipation function includes a heat dissipation box 1, an oil pump 3, a cooling box 4 and a refrigerator 5, wherein a chromatographic column 2 is installed inside the heat dissipation box 1, a cooling chamber 6 is provided between the chromatographic column 2 and the heat dissipation box 1, an air inlet pipe 7 is fixedly installed on the top surface of the heat dissipation box 1, one end of the air inlet pipe 7 is connected with the chromatographic column 2, an exhaust pipe 8 is fixedly installed on one side surface of the heat dissipation box 1, one end of the exhaust pipe 8 is connected with the chromatographic column 2, a cooling liquid is arranged inside the cooling box 4, the cooling liquid can be cooling oil, water and the like, the oil pump 3 is fixedly installed on one side surface of the cooling box 4, a liquid outlet pipe 10 is installed on the other side upper end of the heat dissipation box 1, one end of the liquid outlet pipe 10 is provided with a circulating pipe 11, the other end of the circulating pipe 11 is communicated with the cooling box 4, the refrigerator 5 is communicated with the cooling box 4 through a pipeline, and the description is disclosed in chinese patent publication No.: CN209148615U discloses an improvement and innovation made by using a gas chromatograph with a protection device as a matrix, and its working principle is as same as that of chinese patent publication No.: CN209148615U discloses a gas chromatograph with protection device's theory of operation is the same, wherein the oil pump 3 pumps the coolant liquid in the cooler bin 4 into cooling chamber 6, dispel the heat and cool down chromatographic column 2, coolant liquid after absorbing the heat is discharged from drain pipe 10 and flows back into cooler bin 4 through circulating pipe 11, then cool down the higher coolant liquid of temperature in the cooler bin 4 through refrigerator 5, so circulation, can play the radiating purpose of circulation cooling down to chromatographic column 2, reduce the probability that chromatographic column 2 is impaired because of the high temperature, guarantee the performance of chromatographic column 2, prolong the life of chromatographic column 2.

In this embodiment: the top surface of the cooling box 4 is provided with a liquid injection pipe 12, the bottom surface of the cooling box 4 is provided with a liquid discharge pipe 13, and the surface of the liquid discharge pipe 13 is provided with a valve.

Specifically, the valve on the surface of the liquid discharge pipe 13 is in a normally closed state, when the cooling liquid needs to be replaced, the valve on the surface of the liquid discharge pipe 13 is opened, the cooling liquid can be discharged for replacement, and the cooling liquid replacement is convenient and labor-saving.

In this embodiment: a controller 14 is fixedly arranged on one side surface of the heat dissipation box 1, and the controller 14 is electrically connected with the refrigerator 5 and the oil pump 3 through wires.

Specifically, the connection structure of the common control circuit is not described herein in detail.

In this embodiment: the diameter of the cooling chamber 6 is larger than the diameter of the chromatographic column 2.

Specifically, the outer wall of the chromatographic column 2 is provided with an insulating layer, so that the cooling liquid of the cooling chamber 6 can not be in direct contact with the chromatographic column 2, and meanwhile, the temperature of the chromatographic column 2 can be reduced.

In this embodiment: the heat dissipation box 1 is of a hollow cylinder structure, and the heat dissipation box 1 is made of 304 stainless steel.

Specifically, the probability of corrosion damage of the heat dissipation box 1 is reduced, and the service life is prolonged.

In this embodiment: one end of the air inlet pipe 7 is communicated with an external air bottle.

Specifically, air in the cylinder can be introduced into the column 2.

In this embodiment: one end of the exhaust pipe 8 communicates with an external detection end.

Specifically, the air discharged from the column 2 can be detected.

In this embodiment: the controller is the existing structure, and control circuit can be realized through the simple programming of the person skilled in the art, belongs to the common sense in the art, only uses it, does not reform transform, so control mode and circuit connection are not described in detail.

Working principle: during the use, the oil pump 3 pumps the coolant liquid in the cooling tank 4 to cooling chamber 6 in, dispel the heat to chromatographic column 2, the coolant liquid after absorbing the heat is discharged from drain pipe 10 and flows back into cooling tank 4 through circulating pipe 11, then cool down to the higher coolant liquid of temperature in the cooling tank 4 through refrigerator 5, so circulation can play the radiating purpose of circulation cooling to chromatographic column 2, reduce the probability that chromatographic column 2 is impaired because of the high temperature, guarantee the performance of chromatographic column 2, prolong the life of chromatographic column 2, the valve on the surface of drain pipe 13 is normally closed state secondly, when need changing the coolant liquid, open the valve on the surface of drain pipe 13, can discharge the coolant liquid and change, and it is convenient laborsaving when changing the coolant liquid.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a gas chromatograph protection device with heat dissipation function, includes heat dissipation case (1), oil pump (3), cooling tank (4) and refrigerator (5), its characterized in that, the internally mounted of heat dissipation case (1) has chromatographic column (2), and is provided with cooling cavity (6) between chromatographic column (2) and heat dissipation case (1), the top surface fixed mounting of heat dissipation case (1) has intake pipe (7), and the one end and the chromatographic column (2) of intake pipe (7) are connected, one side fixed surface of heat dissipation case (1) installs blast pipe (8), and the one end and the chromatographic column (2) of blast pipe (8) are connected, the inside of cooling tank (4) is provided with the coolant liquid, one side fixed surface of cooling tank (4) installs oil pump (3), and the drain pipe (9) of the drain end of oil pump (3) and the installation of heat dissipation case (1) opposite side surface lower extreme are connected, drain pipe (10) are installed to the opposite side upper end of drain pipe (10) installs blast pipe (11) to the other end and circulating pipe (11) are connected with refrigerator (4) through circulating pipe (4).

2. The gas chromatograph protection device with the heat radiation function according to claim 1, characterized in that the top surface of the cooling box (4) is provided with a liquid injection pipe (12), the bottom surface of the cooling box (4) is provided with a liquid discharge pipe (13), and the surface of the liquid discharge pipe (13) is provided with a valve.

3. The gas chromatograph protection device with the heat dissipation function according to claim 1, wherein a controller (14) is fixedly arranged on one side surface of the heat dissipation box (1), and the controller (14) is electrically connected with the refrigerator (5) and the oil pump (3) through wires.

4. A gas chromatograph protection device with heat dissipation function according to claim 1, characterized in that the diameter of the cooling chamber (6) is larger than the diameter of the chromatographic column (2).

5. The gas chromatograph protection device with the heat dissipation function according to claim 1, wherein the heat dissipation box (1) is of a hollow cylinder structure, and the heat dissipation box (1) is made of 304 stainless steel.

6. The gas chromatograph protection device with the heat dissipation function according to claim 1, characterized in that one end of the air inlet pipe (7) is communicated with an external air bottle.

7. The gas chromatograph protection device with the heat radiation function according to claim 1, characterized in that one end of the exhaust pipe (8) is communicated with an external detection end.