CN213302156U - Sampling device - Google Patents
Sampling device Download PDFInfo
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- CN213302156U CN213302156U CN202022514882.7U CN202022514882U CN213302156U CN 213302156 U CN213302156 U CN 213302156U CN 202022514882 U CN202022514882 U CN 202022514882U CN 213302156 U CN213302156 U CN 213302156U
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Abstract
The utility model relates to the safety field of gas component analysis instruments and discloses a sampling device, which comprises an air inlet channel, a cooling device and an exhaust channel which are sequentially communicated; wherein the inlet passage is for delivering the sampled gas at the first temperature to the cooling device; the cooling device is used for cooling the gas at the first temperature to a second temperature; the exhaust channel is used for outputting the gas cooled to the second temperature so as to be used for a gas component analysis instrument to analyze the components of the gas; wherein the second temperature is adapted to a temperature tolerance range of the gas composition analyzer. The utility model provides a technical scheme can improve gas composition analytical instrument's safety in utilization.
Description
Technical Field
The utility model relates to a gas composition analysis instrument safety field specifically relates to a sampling device for gas composition analysis instrument.
Background
Analytical instruments used for gas composition analysis have severe limitations on the temperature of the gas to be analyzed. For example, some analyzers can only analyze normal temperature gases, often up to more than a thousand degrees celsius when the temperature of the gas is higher than normal, e.g., in a high temperature kiln. When the high-temperature gas is subjected to component analysis, the high-temperature gas entering an analysis instrument can easily damage expensive instrument sensors in the analysis instrument, and in addition, the gas components in the high-temperature kiln cannot be analyzed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above technical problem that prior art exists at least to a certain extent, providing a sampling device, this sampling device can improve gas composition analytical instrument's safety in utilization.
In order to achieve the above object, the present invention provides a sampling device, which comprises an air inlet channel, a cooling device and an exhaust channel which are sequentially communicated; wherein the inlet passage is for delivering the sampled gas at the first temperature to the cooling device; the cooling device is used for cooling the gas at the first temperature to a second temperature; the exhaust channel is used for outputting the gas cooled to the second temperature so as to be used for a gas component analysis instrument to analyze the components of the gas; wherein the second temperature is adapted to a temperature tolerance range of the gas composition analyzer.
Preferably, the other end of the gas inlet channel is used for being communicated with a kiln so as to convey the gas at the first temperature in the kiln to the cooling device.
Preferably, sampling device still includes the sampling pipe, be provided with the inspection hole on the kiln, the one end of sampling pipe is run through the inspection hole extends to the kiln is inboard, the other end with inlet channel intercommunication.
Preferably, the cooling device comprises a heat exchanger, wherein a first loop and a second loop capable of exchanging heat are formed in the heat exchanger; wherein the first circuit communicates with the intake passage and the exhaust passage, respectively; the second loop is respectively communicated with the refrigerant inlet pipeline and the refrigerant outlet pipeline.
Preferably, the refrigerant inlet pipe is provided with an adjusting valve for adjusting the flow rate of the refrigerant, and the sampling device further comprises a temperature sensor for measuring the gas temperature of the exhaust passage.
Preferably, the regulating valve comprises a manual regulating valve, and the sampling device further comprises a display part for displaying the temperature measured by the temperature sensor.
Preferably, the regulating valve comprises an automatic regulating valve, and the sampling device further comprises a controller; wherein the controller is capable of controlling the opening of the automatic adjusting valve according to the gas temperature measured by the temperature sensor to adjust the gas temperature of the exhaust passage.
Preferably, the regulating valve comprises a manual regulating valve and an automatic regulating valve which are connected in parallel on the refrigerant inlet pipeline; the sampling device further comprises a controller and a display component for displaying the temperature measured by the temperature sensor; wherein the controller is capable of controlling the opening of the automatic adjusting valve according to the gas temperature measured by the temperature sensor to adjust the gas temperature of the exhaust passage.
Preferably, the gas composition analysis instrument has an intake duct with which the exhaust passage can communicate.
Preferably, the first temperature is higher than 60 ℃; the second temperature is 15-40 ℃.
The utility model provides a technical scheme has following showing progress:
because the cooling device is arranged in front of the gas component analysis instrument, when the temperature of the sampled gas is higher than the temperature bearing range of the gas component analysis instrument, the temperature of the gas with the first temperature can be reduced to the second temperature through the cooling device and then input into the gas component analysis instrument, and the second temperature is adaptive to the temperature bearing range of the gas component analysis instrument, so that the gas component analysis instrument can be prevented from being damaged due to overhigh temperature of the gas input into the gas component analysis instrument, and the use safety of the gas component analysis instrument is improved.
The other technical effects of the part of the utility model will be explained in detail in the following detailed description, and the other technical effects of the part will be embodied more clearly in the implementation process of the utility model.
Drawings
Fig. 1 is a schematic structural diagram of a sampling device according to an embodiment of the present invention in a use state;
fig. 2 is a schematic structural diagram of a sampling device according to an embodiment of the present invention.
Description of the reference numerals
1-a kiln; 2-detecting holes; 3-a sampling tube; 4-a cooling device; 5-an air intake passage; 6-an exhaust channel; 7-gas inlet pipe of gas component analyzer; 8-gas component analysis instrument; 9-refrigerant inlet pipeline; 10-refrigerant outlet pipe; 11-refrigerant flow direction; 12-a heat exchanger; 13-a controller; 14-manual regulating valve; 15-a temperature sensor; 16-automatic regulating valve.
Detailed Description
In the present invention, the use of directional terms such as "upper, lower, left, right" in the case where no description is made to the contrary generally means the reference to the drawings to refer to upper, lower, left, right. "inner and outer" refer to the inner and outer contours of the component itself.
Referring to fig. 1, an embodiment of the present invention provides a sampling device, which includes an air inlet passage 5, a cooling device 4, and an air outlet passage 6, which are sequentially connected; wherein the air inlet channel 5 is used for delivering the sampled gas at the first temperature to the cooling device 4; the cooling device 4 is used for cooling the gas at the first temperature to a second temperature; the exhaust channel 6 is used for outputting the gas cooled to the second temperature so as to be used for a gas component analysis instrument 8 to analyze the components of the gas; wherein the second temperature is adapted to a temperature tolerance range of the gas component analyzing apparatus 8.
According to the embodiment of the utility model provides a technical scheme, owing to set up cooling device 4 before gas composition analysis instrument 8, consequently, when the temperature of the gas of sample is higher than gas composition analysis instrument 8's temperature and bears the scope, can reduce the temperature of the gas of first temperature to the second temperature through this cooling device 4, input to gas composition analysis instrument 8 again, because the second temperature bears the scope with gas composition analysis instrument 8's temperature and suits, consequently, can avoid inputting to gas composition analysis instrument 8's gas temperature too high and lead to gas composition analysis instrument 8 to damage, thereby the safety in utilization of gas composition analysis instrument 8 has been improved.
In general, when the gas temperature exceeds 50 ℃, the gas component analyzing apparatus 8 is easily damaged, and the gas component analyzing apparatus 8 can normally accurately analyze only the gas component of the normal temperature gas, for example, the gas component of 15 ℃ to 40 ℃. Because can avoid high-temperature gas to cause the damage to gas composition analysis instrument 8 to improve the accurate reliability of gas composition analysis instrument 8's testing result, consequently, first temperature can be higher than 60 ℃, and gas composition to this type of high-temperature gas detects, the embodiment of the utility model provides a sampling device can improve the safety in utilization of gas composition analysis instrument 8 when detecting this type of gas. The second temperature may be, for example, 15 to 40 ℃, whereby the temperature of the gas input to the gas component analyzer 8 can be ensured to be normal temperature, thereby improving the accuracy and reliability of the detection result of the gas component analyzer 8.
The gas component analyzing apparatus 8 has an intake duct 7, and the exhaust passage 6 is communicable with the intake duct 7. The sampling device can be applied to any occasions that the temperature of the gas is higher than the temperature bearing range of the gas component analysis instrument 8 and the component of the gas needs to be detected, such as the high-temperature kiln 1. The temperature of the gas in the high temperature kiln 1 may be as high as one thousand or more degrees celsius, for example, about 1000 degrees celsius, or even about 1800 degrees celsius. If the gas with such a high temperature is directly delivered to the gas component analyzer 8 for gas detection, the apparatus is directly damaged, and the detection fails. If adopt the embodiment of the utility model provides a sampling device then can solve this problem well. In particular, the amount of the solvent to be used,
in order to detect the gas components in the high-temperature kiln 1, one end of the gas inlet channel 5 is communicated with the cooling device 4, and the other end is communicated with the high-temperature kiln 1. Therefore, the high-temperature gas in the high-temperature kiln 1 can enter the cooling device 4 through the gas inlet channel 5, is cooled in the cooling device 4, and is then conveyed to the gas component analyzer 8 through the gas outlet channel 6 to analyze the gas components.
In the utility model discloses a preferred embodiment, in order to improve inlet channel 5 and high temperature kiln 1's installation convenience, sampling device still includes sampling pipe 3, be provided with inspection hole 2 on the kiln 1, can install sampling pipe 3 in kiln 1 earlier via inspection hole 2 from this, the one end of sampling pipe 3 is run through inspection hole 2 extends to kiln 1 is inboard, and the other end extends to the outside of high temperature kiln 1. When gas components in the high-temperature kiln 1 need to be detected, the gas inlet channel 5 is directly communicated with the sampling pipe 3 at the outer side of the high-temperature kiln 1. Therefore, when sampling is needed, the operation can be directly carried out outside the high-temperature kiln 1, and the sampling convenience of the sampling device is improved.
The high-temperature gas sampled by the sampling pipe 3 enters the cooling device 4 through the gas inlet passage 5 and is cooled in the cooling device 4. The cooling device 4 may be an air cooling device, for example, the cooling device 4 may blow cold air to the portion of the air inlet channel 5 located in the cooling device 4, so as to cool the air in the air inlet channel 5; it is also possible to provide water cooling means, for example so that the portion of the inlet channel 5 located inside the cooling means 4 is immersed in the cooling liquid, thereby achieving cooling of the gas inside the inlet channel 5; in addition, the portion of the intake passage 5 located inside the cooling device 4 may be brought into contact with a low-temperature solid heat transfer medium, which may be, for example, a metal container with good thermal conductivity, a metal container that contains a coolant therein, an outer wall surface of the metal container being in direct contact with the intake passage 5, or the like.
In the preferred embodiment of the present invention, the water cooling device includes a heat exchanger 12, and a first loop and a second loop capable of performing heat exchange are formed in the heat exchanger 12; wherein the first circuit communicates with the intake passage 5 and the exhaust passage 6, respectively; the second circuit is respectively communicated with a refrigerant inlet pipeline 9 and a refrigerant outlet pipeline 10. The direction of an arrow denoted by reference numeral 11 in fig. 1 is a refrigerant flow direction, and an external low-temperature refrigerant may enter a second loop in the heat exchanger 12 through the refrigerant inlet pipe 9 and then flow out through the refrigerant outlet pipe 10 under the driving of a driving part such as a motor. The second circuit may directly contact and cool the first circuit, or indirectly contact and cool the first circuit through air.
The gas in the gas inlet channel 5 is cooled in the first loop and then discharged through the gas outlet channel 6, the gas outlet of the gas outlet channel 6 is communicated with the gas inlet pipeline 7 of the gas component analyzer 8, and the cooled gas can be input into the gas component analyzer 8.
In the preferred embodiment of the present invention, in order to control the temperature of the gas in the exhaust passage 6 within a desired range, the refrigerant inlet pipe 9 is provided with an adjusting valve for adjusting the flow rate of the refrigerant, and the sampling device further includes a temperature sensor 15 for measuring the temperature of the gas in the exhaust passage 6. In order to measure the gas temperature of the exhaust channel 6, a temperature sensor 15 may be mounted on the exhaust channel 6. Thereby, the opening degree of the regulating valve can be controlled according to the gas temperature measured by the temperature sensor 15. When the opening degree of the regulating valve is larger, the temperature of the second circuit is lower, and the temperature of the gas in the exhaust passage 6 is also lower.
Wherein the regulating valve can be a manual regulating valve 14 or an automatic regulating valve 16. When the regulating valve is a manual regulating valve 14, the sampling device further comprises a display member for displaying the temperature measured by the temperature sensor 15. Thus, the operator can manually adjust the opening degree of the valve 14 according to the temperature displayed by the display unit, thereby controlling the flow rate of the refrigerant in the second circuit and further adjusting the gas temperature in the exhaust passage 6.
When the regulating valve is an automatic regulating valve 16, the sampling device further comprises a controller 13; the controller 13 is in signal connection with the automatic regulating valve 16 and the temperature sensor 15, respectively, so as to receive the temperature value detected by the temperature sensor 15, and automatically control the opening degree of the automatic regulating valve 16 according to the temperature value, so as to control the gas temperature in the exhaust passage 6 within a preset range. In specific implementation, the controller 13 may be, for example, a single chip microcomputer, a digital signal processor, or the like, and the automatic regulating valve 16 may be, for example, an electromagnetic valve.
In a preferred embodiment of the present invention, the regulating valve includes both a manual regulating valve 14 and an automatic regulating valve 16. As shown in fig. 2, the manual regulating valve 14 and the automatic regulating valve 16 are connected in parallel to the refrigerant inlet pipe 9; at this time, the sampling device further includes a controller 13 and a display part for displaying the temperature measured by the temperature sensor 15; wherein the controller 13 is in signal connection with the temperature sensor 15 and the self-regulating valve 16, so that the opening of the self-regulating valve 16 can be controlled according to the gas temperature measured by the temperature sensor 15 to regulate the gas temperature of the exhaust passage 6.
The use mode of the regulating valve is as follows: under the mode of manually regulating and controlling the flow rate of the refrigerant, the automatic regulating valve 16 is closed, and the flow rate of the refrigerant can be controlled according to the opening degree of the manual regulating valve 14 door of the temperature detected by the temperature sensor 15 on the exhaust passage 6; under the mode of automatically regulating and controlling the refrigerant flow, the manual regulating valve 14 is closed, a gas temperature signal detected by a temperature sensor 15 on the exhaust channel 6 is transmitted to the controller 13, and the controller 13 sends out a control signal to control the opening of the automatic regulating valve 16, so that the refrigerant flow can be controlled.
There are various installation positions of the controller 13, and in the preferred embodiment of the present invention, the controller 13 is installed at the top end of the outer side of the heat exchanger 12, and may also be installed in the vicinity of the cooling device.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. A sampling device is characterized by comprising an air inlet channel, a cooling device and an exhaust channel which are communicated in sequence; wherein the inlet passage is for delivering the sampled gas at the first temperature to the cooling device; the cooling device is used for cooling the gas at the first temperature to a second temperature; the exhaust channel is used for outputting the gas cooled to the second temperature so as to be used for a gas component analysis instrument to analyze the components of the gas; wherein the second temperature is adapted to a temperature tolerance range of the gas composition analyzer.
2. A sampling device according to claim 1, wherein the other end of the gas inlet passage is adapted to be in gas communication with a furnace for conveying gas at the first temperature within the furnace to the cooling means.
3. The sampling device of claim 2, further comprising a sampling pipe, wherein a detection hole is formed in the kiln, one end of the sampling pipe extends to the inner side of the kiln through the detection hole, and the other end of the sampling pipe is communicated with the air inlet channel.
4. The sampling device according to claim 1, characterized in that the cooling device comprises a heat exchanger in which a first circuit and a second circuit capable of heat exchange are formed; wherein the first circuit communicates with the intake passage and the exhaust passage, respectively; the second loop is respectively communicated with the refrigerant inlet pipeline and the refrigerant outlet pipeline.
5. The sampling device of claim 4, wherein the refrigerant inlet pipe is provided with a regulating valve for regulating the flow of the refrigerant, and the sampling device further comprises a temperature sensor for measuring the gas temperature of the exhaust passage.
6. The sampling device of claim 5, wherein the regulating valve comprises a manual regulating valve, the sampling device further comprising a display component for displaying the temperature measured by the temperature sensor.
7. The sampling device of claim 5, wherein the regulating valve comprises an automatic regulating valve, the sampling device further comprising a controller; wherein the controller is capable of controlling the opening of the automatic adjusting valve according to the gas temperature measured by the temperature sensor to adjust the gas temperature of the exhaust passage.
8. The sampling device of claim 5, wherein the regulating valve comprises a manual regulating valve and an automatic regulating valve which are connected in parallel on the refrigerant inlet pipeline; the sampling device further comprises a controller and a display component for displaying the temperature measured by the temperature sensor; wherein the controller is capable of controlling the opening of the automatic adjusting valve according to the gas temperature measured by the temperature sensor to adjust the gas temperature of the exhaust passage.
9. The sampling device of claim 1, wherein the gas composition analysis instrument has an intake duct with which the exhaust passage can communicate.
10. The sampling device of any one of claims 1 to 9, wherein the first temperature is above 60 ℃; the second temperature is 15-40 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022514882.7U CN213302156U (en) | 2020-11-03 | 2020-11-03 | Sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022514882.7U CN213302156U (en) | 2020-11-03 | 2020-11-03 | Sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213302156U true CN213302156U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022514882.7U Active CN213302156U (en) | 2020-11-03 | 2020-11-03 | Sampling device |
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| Country | Link |
|---|---|
| CN (1) | CN213302156U (en) |
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2020
- 2020-11-03 CN CN202022514882.7U patent/CN213302156U/en active Active
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