CN215116023U - Quick total hydrocarbon detecting system - Google Patents
Quick total hydrocarbon detecting system Download PDFInfo
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- CN215116023U CN215116023U CN202120693974.8U CN202120693974U CN215116023U CN 215116023 U CN215116023 U CN 215116023U CN 202120693974 U CN202120693974 U CN 202120693974U CN 215116023 U CN215116023 U CN 215116023U
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- total hydrocarbon
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- detector
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Abstract
The utility model discloses a quick total hydrocarbon detecting system, including the air inlet pipeline and the reposition of redundant personnel pipeline that link to each other, the shunt tubes is equipped with first damping tube on the road, air inlet pipeline one end is connected with the detector, the reposition of redundant personnel pipeline with between the detector the air inlet pipeline is equipped with voltage regulator device and second damping tube on the road in proper order. The utility model discloses the realization advances the accurate control of appearance flow to the sample, guarantees sample replacement speed simultaneously, improves instrument response time.
Description
Technical Field
The utility model relates to a gaseous detection technology field, concretely relates to quick total hydrocarbon detecting system.
Background
Among the present total hydrocarbon detecting system, often adopt sampling device directly to let in the sample gas to the detector and detect, thereby it can have the unstable problem of flow to influence the accuracy of final measuring result to directly advance a kind, among the prior art, in order to solve the unstable problem of flow, add flow control device and realize the accurate control to the sample flow, nevertheless because the flow of having limited the sample, pipeline design becomes complicated simultaneously, often can cause the sample to replace slowly, thereby influence the response time of instrument.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a quick total hydrocarbon detecting system realizes advancing the accurate control of appearance flow to the sample, guarantees the sample replacement speed simultaneously, improves instrument response time.
In order to solve the technical problem, the utility model provides a
The utility model provides a quick total hydrocarbon detecting system, includes air inlet pipeline and the reposition of redundant personnel pipeline that links to each other, be equipped with first damping pipe on the reposition of redundant personnel pipeline, air inlet pipeline one end is connected with the detector, the reposition of redundant personnel pipeline with between the detector air inlet pipeline is equipped with voltage regulator device and second damping pipe on the road in proper order.
Preferably, the pressure stabilizing device adopts a pressure stabilizing valve.
Preferably, the detector is a FID detector or a PID detector.
Preferably, the first damping tube is made of stainless steel or a tetrafluoride tube.
Preferably, the first damping tube has an inner diameter of 0.1mm to 1mm and a length of 0.1m to 2 m.
Preferably, the second damping tube is a silanized passivated tube.
Preferably, the inner diameter of the second damping pipe is within the range of 0.1mm-1mm, and the length is selected from 0.1m-2 m.
Preferably, a tee joint component is arranged on the air inlet pipeline, and the air inlet pipeline is connected with the shunt pipeline through the tee joint component.
The utility model has the advantages that: in the system, the steady flow sample introduction of the sample is realized by introducing the pressure stabilizing device into the air inlet pipeline, so that the accuracy of the measuring result of the instrument can be improved; meanwhile, the sample shunting is added, so that the replacement speed of the sample can be accelerated on the premise of ensuring the sample introduction pressure, the response time of the instrument is shortened, most of the sample is discharged through the shunting port, the instrument is not easily polluted, and the service life of the whole instrument is prolonged; the first damping pipe not only ensures the normal work of the shunt pipeline, but also ensures that a sample entering the pressure stabilizing device has enough pressure through proper damping, so that the pressure stabilizing device can work normally; the sample that the second damping tube came out with voltage regulator is further cushioned, has improved voltage regulator's precision for voltage regulator has more stable regulatory action when facing the interference of external various factors.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
the reference numbers in the figures illustrate: 10. an air intake line; 101. a detector; 102. a voltage stabilizer; 103. a second damping tube; 104. a tee assembly; 105. a sample gas inlet; 20. a shunt line; 201. a first damper tube; 202. a shunt port.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Example one
As shown in fig. 1, the present embodiment provides a rapid total hydrocarbon detection system, which includes an air intake pipeline 10 and a branch pipeline 20 connected to each other, a first damping pipe 201 is disposed on the branch pipeline 20, a detector 101 is connected to one end of the air intake pipeline 10, and a pressure stabilizer 102 and a second damping pipe 103 are sequentially disposed on the air intake pipeline 10 between the branch pipeline 20 and the detector 101.
Specifically, the detection process is as follows: in the intake pipe 10, a part of the sample is branched in the branch pipe 20 by the first damping pipe 201, and the other part of the sample enters the detector 101 after passing through the pressure stabilizer 102 and the second damping pipe 103. The principle is as follows: the introduction of the flow stabilizer 102 into the air inlet pipeline 10 can realize the accurate control of the sample injection flow in the pipeline, improve the accuracy of the measurement result of the instrument, avoid the problems of sample flow difference and inaccurate measurement result caused by unstable pressure or flow of the sample injection device, but because the introduction of the pressure stabilizer 102 limits the flow rate of the sample, the sample replacement is slow, thereby affecting the response time of the instrument, so the shunt pipeline 20 is designed to empty most of the samples, improving the replacement speed of the samples, quickening the response time of the whole detection system, simultaneously avoiding the pollution caused by the excessive samples entering the system, therefore, the service life of the whole system instrument is prolonged, and meanwhile, the shunt design can improve the capability of the system instrument for detecting complex and variable total hydrocarbon samples, and the rapid detection can be realized from low concentration to high concentration and from a single component to a complex component; the first damping tube 201 not only ensures the normal operation of the shunt pipeline 20, but also ensures that the sample entering the pressure stabilizing device 102 has enough pressure through proper damping, so that the pressure stabilizing device 102 can operate normally, and the sample replacement speed is further accelerated; the second damping tube 103 further buffers the sample from the voltage stabilizer 102, so as to improve the precision of the voltage stabilizer 102, and the voltage stabilizer 102 has a more stable adjustment function when facing the interference of various external factors.
Furthermore, the pressure stabilizer 102 can be a pressure stabilizing valve, a flow stabilizing valve or other devices with the functions of stabilizing pressure or stabilizing flow, and the pressure stabilizer 102 has the characteristics of high precision, adsorption prevention, small dead volume, high temperature resistance and the like, so that the accuracy of the measurement result of the instrument can be improved; the detector 101 may be a FID, PID or other device having the ability to detect total hydrocarbons; the second damping pipe 103 can be a silanization passivation pipe, a tetrafluoride pipe or other pipe fittings with an anti-adsorption function, the inner diameter of the second damping pipe can be selected within the range of 0.1-1mm according to the actual situation, and the length of the second damping pipe is selected within the range of 0.1-2 m; the first damping pipe 201 can be made of stainless steel or a tetrafluoride pipe and other pipe fittings, the inner diameter of the first damping pipe can be selected within the range of 0.1-1mm according to actual conditions, the length of the first damping pipe is selected within the range of 0.1-2m, the air inlet pipeline 10 is provided with a tee joint component 104 for pipeline connection, and the air inlet pipeline 10 is connected with the shunt pipeline 20 through the tee joint component 104.
Example two
As shown in fig. 1, the present embodiment provides a rapid total hydrocarbon detection system, which includes an air intake pipeline 10 and a branch pipeline 20 connected to each other, a first damping pipe 201 is disposed on the branch pipeline 20, a detector 101 is connected to one end of the air intake pipeline 10, and a pressure stabilizer 102 and a second damping pipe 103 are sequentially disposed on the air intake pipeline 10 between the branch pipeline 20 and the detector 101. Specifically, the pressure stabilizing device 102 adopts a pressure stabilizing valve, the detector 101 adopts an FID detector, the first damping tube 201 adopts a stainless steel tube, the inner diameter of the first damping tube 201 is 0.1mm, the length of the first damping tube is 0.1m, the second damping tube 103 adopts a silanization passivation tube, the inner diameter of the second damping tube 103 is 0.1mm, and the length of the second damping tube is 0.1 m. The air inlet pipe 10 generally includes a sample gas inlet 105, the diversion pipe 20 generally includes a diversion port 202, and the length of the air inlet pipe 10 from the sample gas inlet 105 to the FID detector is generally the length of a sampling pipe, in this embodiment, the length of the sampling pipe is selected from 0.5m, 1m, 2m and 3m, respectively, and the following experimental data can be obtained:
from the data in the table, the system using the addition and division pipeline 20, T90The response time is significantly shorter than for systems without additional shunting, where T90The time taken for the standard gas concentration to reach 90% of the actual concentration is used for evaluating the response time of the instrument, and the faster the response time is, the faster the sample replacement speed is; meanwhile, as the length of the front-end sampling pipeline is increased, the shunt system shortens T90The response time of (2) has more obvious effect.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The quick total hydrocarbon detection system is characterized by comprising an air inlet pipeline and a shunt pipeline which are connected, wherein a first damping pipe is arranged on the shunt pipeline, one end of the air inlet pipeline is connected with a detector, and a pressure stabilizing device and a second damping pipe are sequentially arranged on the air inlet pipeline between the shunt pipeline and the detector.
2. A rapid total hydrocarbon detection system as claimed in claim 1, wherein said pressure-stabilizing means employs a pressure-stabilizing valve.
3. The rapid total hydrocarbon detection system of claim 1, wherein the detector is a FID detector or a PID detector.
4. The rapid total hydrocarbon detection system of claim 1, wherein the first damping tube is stainless steel or tetrafluoride tube.
5. The rapid total hydrocarbon detection system of claim 1, wherein the first damping tube has an inner diameter of 0.1mm to 1mm and a length of 0.1m to 2 m.
6. The rapid total hydrocarbon detection system of claim 1, wherein the second damping tube is a silanized passivated tube.
7. The rapid total hydrocarbon detection system of claim 1, wherein the second damping tube has an inner diameter in the range of 0.1mm to 1mm and a length selected in the range of 0.1m to 2 m.
8. The rapid total hydrocarbon detection system according to any one of claims 1 to 7, wherein a tee assembly is provided on the air inlet pipeline, and the air inlet pipeline is connected with the diversion pipeline through the tee assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120693974.8U CN215116023U (en) | 2021-04-06 | 2021-04-06 | Quick total hydrocarbon detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120693974.8U CN215116023U (en) | 2021-04-06 | 2021-04-06 | Quick total hydrocarbon detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215116023U true CN215116023U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120693974.8U Active CN215116023U (en) | 2021-04-06 | 2021-04-06 | Quick total hydrocarbon detecting system |
Country Status (1)
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|---|---|
| CN (1) | CN215116023U (en) |
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2021
- 2021-04-06 CN CN202120693974.8U patent/CN215116023U/en active Active
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