CN218726980U - Gas chromatograph with cooling function - Google Patents
Gas chromatograph with cooling function Download PDFInfo
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- CN218726980U CN218726980U CN202222644221.5U CN202222644221U CN218726980U CN 218726980 U CN218726980 U CN 218726980U CN 202222644221 U CN202222644221 U CN 202222644221U CN 218726980 U CN218726980 U CN 218726980U
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Abstract
The utility model discloses a gas chromatograph with cooling function, including the gas chromatograph body, the rear end fixedly connected with water tank of gas chromatograph body, through connection has first solid fixed cylinder between the front and back terminal surface of water tank, the fan that admits air is installed to inner ring one side of first solid fixed cylinder, the inside of water tank has water and is provided with condenser pipe and electrothermal tube, the inside box that has water of being provided with of roof of gas chromatograph body, through connection has the solid fixed cylinder of second between the upper and lower terminal surface of water box, inner ring one side fixedly connected with air discharge fan of the solid fixed cylinder of second, through condenser pipe and electrothermal tube to water cooling or heating, accessible temperature conduction is with low-temperature water or high-temperature water conduction to backplate or roof department of gas chromatograph body to realize fast cooling and the heat retaining effect of intensification, the inside sliding connection of backplate of gas chromatograph body has the heated board, also can accelerate the inside heat dissipation of gas chromatograph body behind the heated board.
Description
Technical Field
The utility model relates to a gas chromatograph technical field specifically is a gas chromatograph with cooling function.
Background
The modern chromatograph has the characteristics of high stability, sensitivity, versatility, high automation degree and the like, and comprises a gas chromatograph, a liquid chromatograph, a gel chromatograph and the like; gas chromatographs are commonly used to analyze thermally stable organics in soils with boiling points not exceeding 500 ℃, such as volatile organics, organochlorines, organophosphates, polycyclic aromatic hydrocarbons, phthalate esters, and the like.
Chinese patent publication No. CN211263335U discloses a rapid cooling device for a column chamber of a gas chromatograph, comprising: the device comprises a gas chromatograph body, an air inlet pipe, an air outlet pipe, a suction fan, an air outlet fan, a cooling device, a cold source diversion elbow, a box body, a water pump, a water tank, a refrigeration sheet and a temperature sensor; intake pipe and outlet duct set up respectively in gas chromatograph body both sides, the suction fan set up in the intake pipe, go out the fan set up in the outlet duct, cooling device set up in on the gas chromatograph body, be located the intake pipe below, the utility model discloses a set up suction fan and air-out fan respectively in gas chromatograph body both sides, improve gas flow, improve cooling efficiency, installation spiral cold source water conservancy diversion return bend in the intake pipe makes the suction fan blow the cold wind that the temperature is low in to the gas chromatograph, improves gas chromatograph column room cooling efficiency simultaneously.
Although the air inlet pipe is internally provided with the spiral cold source diversion elbow pipe, the air suction fan blows cold air with low temperature into the gas chromatograph, the temperature reduction efficiency is too slow only by blowing the cold air through the air inlet and the air outlet because the heat insulation layer is arranged inside the gas chromatograph body; except this, other most gas chromatographs have seted up a plurality of louvres in order to improve cooling efficiency at the outer wall of gas chromatograph body to cause gas chromatograph to lose heat preservation ability, lead to the experiment effect not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas chromatograph with cooling function has the quick cooling after the experiment and keeps warm characteristics in the experimentation.
In order to achieve the above object, the utility model provides a following technical scheme: a gas chromatograph with a cooling function comprises a gas chromatograph body, wherein a furnace temperature box is arranged inside the gas chromatograph body, a water tank is fixedly connected to the rear end of the gas chromatograph body, and a temperature control box is fixedly connected to the outer wall of the water tank;
a first fixed cylinder is connected between the front end face and the rear end face of the water tank in a through mode, an air inlet fan is fixedly connected to one side of an inner ring of the first fixed cylinder, a cavity is formed between one side of an outer ring of the first fixed cylinder and the inner wall of the water tank, water is contained in the cavity, a condenser pipe and an electric heating pipe are arranged in the cavity, the condenser pipe surrounds the outer ring of the first fixed cylinder, a refrigerator and a heater are installed in the temperature control box, and the refrigerator and the heater are respectively communicated with the condenser pipe and the electric heating pipe;
the inside sliding connection of backplate of gas chromatograph body has the heated board, U type breach has been seted up to one side of heated board.
In order to realize water-cooling of the top end of the gas chromatograph body, the gas chromatograph with the cooling function is preferably used as the gas chromatograph with the cooling function of the utility model, a water passing box is arranged inside the top plate of the gas chromatograph body, a second fixed cylinder is connected between the upper end surface and the lower end surface of the water passing box in a through way, an exhaust fan is fixedly connected to one side of the inner ring of the second fixed cylinder, and a water passing pipe surrounding the outer ring of the second fixed cylinder is arranged inside the water passing box;
the internally mounted of water tank has the micropump, the both ends of water pipe all run through the roof of gas chromatograph body and extend to the inside of cavity and wherein one end and micropump intercommunication.
In order to realize filling water and drainage in the water tank, conduct the utility model discloses a gas chromatograph with cooling function is preferred, water injection hole and wash port have been opened respectively to the upper end and the lower extreme of water tank, the equal swing joint in inside of water injection hole and wash port has the sealing plug.
In order to realize closing the furnace incubator among the operation process, as the utility model discloses a gas chromatograph with cooling function is preferred, one side of the solid fixed cylinder of first fixed cylinder and second is all rotated and is connected with sealed lid.
In order to realize reducing the influence of heated board heat preservation effect, as the utility model discloses a gas chromatograph with cooling function is preferred, the right-hand member fixedly connected with sealing washer of heated board.
Open furnace temperature case in order to realize and experiment, conduct the utility model discloses a gas chromatograph with cooling function is preferred, the front side swing joint of furnace temperature case has the chamber door.
Carry out experimental data debugging and derivation in order to realize, as the utility model discloses a gas chromatograph with cooling function is preferred, the front end of gas chromatograph body is provided with control panel.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. in the utility model, the temperature in the furnace incubator needs to be raised in time in the experimental process, the temperature needs to be lowered as soon as possible after the experiment is finished, and when the temperature needs to be lowered, the heat preservation plate is pulled leftwards, so that the heat preservation plate slides out of the interior of the gas chromatograph body, the back plate of the gas chromatograph body loses the heat preservation effect, and the heat dissipation can be accelerated; the refrigerator is started, the condenser pipe can be rapidly cooled under the action of the refrigerator, so that the temperature of water in the water tank is reduced, and the back plate of the gas chromatograph body is cooled through temperature conduction, so that the temperature reduction in the furnace temperature box is accelerated; except this, can open air inlet fan and air discharge fan, continuously transmit the cold air around the first solid fixed cylinder inner ring to the stove temperature box through air inlet fan, the air discharge fan can discharge the hot-air in the stove temperature box, thereby accelerate the air cycle in the stove temperature box, also can accelerate the cooling speed, and when refrigerator and micropump move jointly, the micropump can carry the low temperature water in the water tank to the water pipe, get back to the inside of water tank again after the water pipe circulation, when the water pipe that passes through, can cool down the hot-air of the inside upper strata gathering of gas chromatograph body.
2. The utility model discloses in, when the experiment is carried out and is needed to heat up, can make the heater operation, and through the temperature of the water of electrothermal tube rising in the water tank, hot water through in the water tank equally can be to the backplate heat conduction of gas chromatograph body, and when the hot water flows through the water pipe under the micropump effect, also can be to the roof heat conduction of gas chromatograph body, except this, the right-hand member fixedly connected with sealing washer of heated board, be used for guaranteeing the leakproofness behind the backplate of heated board gliding gas chromatograph body, the heated board does not lose the heat preservation effect as far as possible when guaranteeing the experiment, thereby guarantee the required temperature of furnace temperature incasement experiment, accelerate the experiment process.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a rear view of the whole structure of the present invention;
fig. 3 is an overall cross-sectional side view of the present invention;
FIG. 4 is a rear sectional view of the water tank of the present invention;
FIG. 5 is a sectional top view of the water box of the present invention;
fig. 6 is the structure diagram of the heat insulation board of the present invention.
In the figure: 1. a gas chromatograph body; 2. a furnace temperature box; 3. a water tank; 4. a temperature control box; 5. a first fixed cylinder; 6. a cavity; 7. a condenser tube; 8. an electric heating tube; 9. a refrigerator; 10. a heater; 11. a thermal insulation board; 12. a U-shaped notch; 13. an air inlet fan; 14. a water passing box; 15. a second fixed cylinder; 16. an exhaust fan; 17. a water pipe; 18. a micro-pump; 19. a sealing plug; 20. a sealing cover; 21. a seal ring; 22. a box door; 23. a control panel.
Detailed Description
Referring to fig. 1 to 6, a gas chromatograph with a cooling function includes a gas chromatograph body 1, a furnace temperature box 2 is disposed inside the gas chromatograph body 1, a water tank 3 is fixedly connected to a rear end of the gas chromatograph body 1, and a temperature control box 4 is fixedly connected to an outer wall of the water tank 3;
a first fixed cylinder 5 is connected between the front end face and the rear end face of the water tank 3 in a through mode, an air inlet fan 13 is fixedly connected to one side of an inner ring of the first fixed cylinder 5, a cavity 6 is formed between one side of an outer ring of the first fixed cylinder 5 and the inner wall of the water tank 3, water is contained in the cavity 6, a condenser pipe 7 and an electric heating pipe 8 are arranged, the condenser pipe 7 surrounds the outer ring of the first fixed cylinder 5, a refrigerator 9 and a heater 10 are installed in the temperature control box 4, and the refrigerator 9 and the heater 10 are respectively communicated with the condenser pipe 7 and the electric heating pipe 8;
inside sliding connection of backplate of gas chromatograph body 1 has heated board 11, and U type breach 12 has been seted up to one side of heated board 11.
In this embodiment: in the experiment process, the temperature in the furnace temperature box 2 needs to be raised in time, the temperature needs to be lowered as soon as possible after the experiment is finished, and when the temperature needs to be lowered, the heat insulation plate 11 is pulled leftwards, so that the heat insulation plate 11 slides out of the gas chromatograph body 1, the heat insulation effect of the back plate of the gas chromatograph body 1 is lost, and the heat dissipation can be accelerated; the refrigerator 9 is started, the condenser pipe 7 can be rapidly cooled under the action of the refrigerator 9, so that the temperature of water in the water tank 3 is reduced, and the back plate of the gas chromatograph body 1 is cooled through temperature conduction, so that the temperature reduction in the furnace temperature box 2 is accelerated; besides, the air inlet fan 13 and the air exhaust fan 16 can be opened, the cold air around the inner ring of the first fixed barrel 5 is continuously transmitted into the furnace temperature box 2 through the air inlet fan 13, the air circulation in the furnace temperature box 2 is accelerated, the cooling speed can also be accelerated, and the U-shaped notch 12 is used for avoiding the first fixed barrel 5 when the heat insulation board 11 slides left and right.
As a technical optimization scheme of the present invention, a water passing box 14 is arranged inside a top plate of the gas chromatograph body 1, a second fixing cylinder 15 is connected between upper and lower end surfaces of the water passing box 14 in a through manner, an exhaust fan 16 is fixedly connected to one side of an inner ring of the second fixing cylinder 15, and a water passing pipe 17 surrounding an outer ring of the second fixing cylinder 15 is arranged inside the water passing box 14;
the interior of the water tank 3 is provided with a micro pump 18, and both ends of the water pipe 17 penetrate through the top plate of the gas chromatograph body 1 and extend to the interior of the cavity 6, and one end of the water pipe is communicated with the micro pump 18.
In this embodiment: the exhaust fan 16 can accelerate the temperature reduction by accelerating the discharge of hot air in the oven chamber 2, and besides, when the refrigerator 9 and the micro pump 18 operate together, the micro pump 18 can convey low-temperature water in the water tank 3 to the water passing pipe 17, the low-temperature water is circulated through the water passing pipe 17 and then returns to the inside of the water tank 3, and when the low-temperature water passes through the water passing pipe 17, the hot air collected at the upper layer in the gas chromatograph body 1 can be cooled; except this, when the experiment was gone on and need the intensification, can make heater 10 operation to through the temperature of the water of electrothermal tube 8 rising water tank 3, can make gas chromatograph body 1's backplate and roof intensification through heat-conduction through the same reason, accelerate the experiment process.
As a technical optimization scheme of the utility model, water injection hole and wash port have been opened respectively to the upper end and the lower extreme of water tank 3, and the equal swing joint in inside of water injection hole and wash port has sealing plug 19.
In this embodiment: the water filling hole and the water discharge hole are used for filling and discharging water in the water tank 3, respectively, so that a sufficient amount of water is maintained in the water tank 3, and the sealing plug 19 is used for closing the water filling hole and the water discharge hole.
As a technical optimization scheme of the utility model, one side of the solid fixed cylinder of first fixed cylinder 5 and the solid fixed cylinder of second 15 is all rotated and is connected with sealed lid 20.
In this embodiment: the inner ring path of the first and second fixed cylinders 5 and 15 can be closed or opened by rotating the sealing cap 20.
As a technical optimization scheme of the utility model, the right-hand member fixedly connected with sealing washer 21 of heated board 11.
In this embodiment: the sealing ring 21 is used for ensuring the sealing performance of the heat insulation board 11 after sliding into the back plate of the gas chromatograph body 1, and the heat insulation effect of the heat insulation board 11 is not lost as far as possible during the experiment.
As a technical optimization scheme of the utility model, the front side of the furnace temperature box 2 is movably connected with a box door 22.
In this embodiment: the box door 22 is used for opening and closing the furnace temperature box 2, and facilitates the experiment.
As a technical optimization scheme of the utility model, the front end of gas chromatograph body 1 is provided with control panel 23.
In this embodiment: the control panel 23 is used for controlling data used in the experiment and deriving experiment results.
The working principle is as follows: in the experiment process, the temperature in the furnace temperature box 2 needs to be raised in time, the temperature needs to be lowered as soon as possible after the experiment is finished, and when the temperature needs to be lowered, the heat insulation plate 11 is pulled leftwards, so that the heat insulation plate 11 slides out of the gas chromatograph body 1, the heat insulation effect of the back plate of the gas chromatograph body 1 is lost, and the heat dissipation can be accelerated; the refrigerator 9 is started, the condenser pipe 7 can be rapidly cooled under the action of the refrigerator 9, so that the temperature of the water in the water tank 3 is reduced, and the back plate of the gas chromatograph body 1 is cooled through temperature conduction, so that the temperature reduction in the furnace incubator 2 is accelerated; besides, the air inlet fan 13 and the air exhaust fan 16 can be started, cold air around the inner ring of the first fixed cylinder 5 can be continuously transmitted into the furnace temperature box 2 through the air inlet fan 13, hot air in the furnace temperature box 2 can be exhausted through the air exhaust fan 16, so that air circulation in the furnace temperature box 2 is accelerated, the cooling speed can also be accelerated, when the refrigerator 9 and the micro pump 18 run together, the micro pump 18 can convey low-temperature water in the water tank 3 to the water passing pipe 17, the low-temperature water can return to the inside of the water tank 3 after circulating through the water passing pipe 17, and when the low-temperature water passes through the water passing pipe 17, the hot air gathered at the upper layer in the gas chromatograph body 1 can be cooled; except this, when the experiment was gone on and need the intensification, can make heater 10 operation to through the temperature of the water of electrothermal tube 8 rising water tank 3, can make gas chromatograph body 1's backplate and roof intensification through heat-conduction through the same reason, accelerate the experiment process.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a gas chromatograph with cooling function, includes gas chromatograph body (1), the inside of gas chromatograph body (1) is provided with stove temperature case (2), its characterized in that: the rear end of the gas chromatograph body (1) is fixedly connected with a water tank (3), and the outer wall of the water tank (3) is fixedly connected with a temperature control box (4);
a first fixed cylinder (5) is connected between the front end face and the rear end face of the water tank (3) in a through mode, an air inlet fan (13) is fixedly connected to one side of an inner ring of the first fixed cylinder (5), a cavity (6) is formed between one side of an outer ring of the first fixed cylinder (5) and the inner wall of the water tank (3), water is contained in the cavity (6) and a condenser pipe (7) and an electric heating pipe (8) are arranged, the condenser pipe (7) surrounds the outer ring of the first fixed cylinder (5), a refrigerator (9) and a heater (10) are installed inside the temperature control box (4), and the refrigerator (9) and the heater (10) are respectively communicated with the condenser pipe (7) and the electric heating pipe (8);
the internal sliding connection of backplate of gas chromatograph body (1) has heated board (11), U type breach (12) have been seted up to one side of heated board (11).
2. The gas chromatograph with the cooling function according to claim 1, wherein: a water passing box (14) is arranged in a top plate of the gas chromatograph body (1), a second fixing cylinder (15) is connected between the upper end surface and the lower end surface of the water passing box (14) in a penetrating manner, an exhaust fan (16) is fixedly connected to one side of an inner ring of the second fixing cylinder (15), and a water passing pipe (17) surrounding the outer ring of the second fixing cylinder (15) is arranged in the water passing box (14);
the inside mounting of water tank (3) has micropump (18), the both ends of water pipe (17) all run through the roof of gas chromatograph body (1) and extend to the inside of cavity (6) and wherein one end and micropump (18) intercommunication.
3. The gas chromatograph with the cooling function according to claim 1, wherein: the upper end and the lower end of the water tank (3) are respectively provided with a water injection hole and a drain hole, and the insides of the water injection hole and the drain hole are movably connected with a sealing plug (19).
4. The gas chromatograph with the cooling function according to claim 2, wherein: one sides of the first fixed cylinder (5) and the second fixed cylinder (15) are rotatably connected with sealing covers (20).
5. The gas chromatograph with the cooling function according to claim 1, wherein: the right end of the heat insulation plate (11) is fixedly connected with a sealing ring (21).
6. The gas chromatograph with the cooling function according to claim 1, wherein: the front side of the furnace incubator (2) is movably connected with a furnace door (22).
7. The gas chromatograph with the cooling function according to claim 1, wherein: the front end of the gas chromatograph body (1) is provided with a control panel (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222644221.5U CN218726980U (en) | 2022-10-09 | 2022-10-09 | Gas chromatograph with cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222644221.5U CN218726980U (en) | 2022-10-09 | 2022-10-09 | Gas chromatograph with cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218726980U true CN218726980U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222644221.5U Active CN218726980U (en) | 2022-10-09 | 2022-10-09 | Gas chromatograph with cooling function |
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| Country | Link |
|---|---|
| CN (1) | CN218726980U (en) |
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2022
- 2022-10-09 CN CN202222644221.5U patent/CN218726980U/en active Active
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