CN210604531U - Single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph - Google Patents
Single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph Download PDFInfo
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- CN210604531U CN210604531U CN201921319173.4U CN201921319173U CN210604531U CN 210604531 U CN210604531 U CN 210604531U CN 201921319173 U CN201921319173 U CN 201921319173U CN 210604531 U CN210604531 U CN 210604531U
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Abstract
The utility model discloses a single detector single ten logical valve non-methyl total hydrocarbons benzene series thing on-line chromatograph, including chromatographic column, heater strip, platinum resistance and the hydrogen flame detector of being connected with the chromatographic column, the air compressor machine is connected to the upper tube of hydrogen flame detector, and the low tube connection hydrogen generator of hydrogen flame detector, the end of giving vent to anger of hydrogen flame detector is connected with total hydrocarbon column one and methane column one, and the other end and the chromatographic column of total hydrocarbon column one and methane column one are connected, still includes the valve body of being connected with the chromatographic column, and the valve body is connected with sample gas import and sample gas export respectively, still be provided with benzene series thing one between hydrogen flame detector and the chromatographic column, and be provided with the throttling element between hydrogen flame detector and the sample gas import. A hydrogen flame detector and a six-way valve are omitted, so that the cost is reduced, and the popularization is facilitated.
Description
Technical Field
The utility model relates to a non-methyl total hydrocarbons benzene series on-line measuring field specifically is a single detector single ten way valve non-methyl total hydrocarbons benzene series on-line chromatograph.
Background
The on-line chromatograph for non-methyl total hydrocarbons and benzene series comprises a sampling pump, a chromatographic column heating box, a three EPC electronic flowmeter (or a manual pressure regulator), a needle valve, a double hydrogen ion flame detector (FID), a pneumatic ten-way sample valve, a six-way sample valve, a connector and a connecting pipeline, wherein the pneumatic ten-way sample valve and the six-way sample valve are arranged in a dotted line frame, sample gas is extracted through the sampling pump, after the quantitative pipe is filled with the sample gas, the pneumatic ten-way sample valve and the six-way sample valve are switched under program control, carrier gas brings the sample gas into the chromatographic column for separation, and then the hydrogen ion flame detector.
The existing online chromatograph uses an imported pneumatic ten-way valve and a pneumatic six-way valve, and two hydrogen flame detectors, as shown in fig. 1, which are expensive, so that the cost and the components are required to be reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single detector single ten way valve on-line chromatograph of non-methyl total hydrocarbon benzene series to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph comprises a chromatographic column, a heating wire, a platinum resistor and a hydrogen flame detector connected with the chromatographic column, wherein the upper pipe of the hydrogen flame detector is connected with an air compressor, the lower pipe of the hydrogen flame detector is connected with a hydrogen generator, the air outlet end of the hydrogen flame detector is connected with a first total hydrocarbon column and a first methane column, and the other ends of the first total hydrocarbon column and the first methane column are connected with the chromatographic column;
still include the valve body of being connected with the chromatographic column, and the valve body is connected with sample gas import and sample gas export respectively, still be provided with benzene series thing one between hydrogen flame detector and the chromatographic column, and be provided with throttling component between hydrogen flame detector and the sample gas import.
Preferably, the first total hydrocarbon column, the first methane column and the first benzene series are respectively connected with the hydrogen flame detector through a first three-way valve.
Preferably, the valve body is a ten-way valve, the benzene series II of the chromatographic column is connected with the valve body, the methane column II of the chromatographic column is connected to the total hydrocarbon column II on the chromatographic column, and the tail end of the total hydrocarbon column II is connected with the valve body.
Preferably, the methane column two-way valve is connected with the total hydrocarbon column two-way valve.
Preferably, the throttling component is a needle valve or an air resistance.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the hydrogen flame detector 11 is adopted, so that the cost is reduced compared with the two hydrogen flame detectors;
2. compared with the original ten-way valve and six-way valve, the ten-way valve is adopted, the six-way valve is saved, the cost is reduced, and the development of enterprises is facilitated.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1 chromatographic column, 11 hydrogen flame detectors, 12 red press, 13 hydrogen generators, 2 valve bodies and 21 throttling parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2, the utility model provides a technical solution of a single detector single ten-way valve on-line chromatograph for non-methyl total hydrocarbons and benzenes: a single detector single ten-way valve non-methyl total hydrocarbon benzene series online chromatograph comprises a chromatographic column 1, a heating wire, a platinum resistor and a hydrogen flame detector 11 connected with the chromatographic column 1, wherein the upper pipe of the hydrogen flame detector 11 is connected with an air compressor 12, the lower pipe of the hydrogen flame detector 11 is connected with a hydrogen generator 13, the gas outlet end of the hydrogen flame detector 11 is connected with a first total hydrocarbon column and a first methane column, and the other ends of the first total hydrocarbon column and the first methane column are connected with the chromatographic column 1; the method of the invention uses special chromatographic columns and air resistance to achieve rapid peak output, the sample separation is good, and the test effect exceeds that of a double detector.
The device also comprises a valve body 2 connected with the chromatographic column 1, the valve body 2 is respectively connected with a sample gas inlet and a sample gas outlet, a first benzene series is arranged between the hydrogen flame detector 11 and the chromatographic column 1, the first benzene series is a pipeline for introducing the benzene series, the second benzene series at the back is also a first total hydrocarbon column, a first methane column and a first benzene series are respectively connected with the hydrogen flame detector 11 through a first three-way valve, the valve body 2 is a ten-way valve, and the second benzene series of the chromatographic column 1 is connected with the valve body 2, a hydrogen flame detector 11 is omitted, the other hydrogen flame detector 11 is originally connected with the benzene series, the hydrogen flame detector is changed into one, the cost is saved, the second methane column of the chromatographic column 1 is connected with the second total hydrocarbon column on the chromatographic column 1, the tail end of the second total hydrocarbon column is connected with the valve body 2, a six-way valve is originally arranged, the second benzene series of the chromatographic column 1 is connected with the six-way valve, and then the six-way valve is respectively connected with the, a six-way valve is omitted, and then the benzene series II is connected to the total hydrocarbon column II, so that one six-way valve is effectively saved, the cost is saved, the methane column II is connected with the total hydrocarbon column II through the three-way valve II to facilitate connection, a throttling component 21 is arranged between the hydrogen flame detector 11 and the sample gas inlet, and the throttling component 21 is a needle valve or a gas resistor.
The specific implementation principle is as follows: the conventional method is that methane and total hydrocarbon respectively use carrier gas, respectively use different quantitative rings to implement sample injection, benzene series also use independent carrier gas and a quantitative ring, thus a ten-way valve 2 and a six-way valve are inevitably needed, a chromatographic column 1 and a gas resistance needle valve 21 are used, a total hydrocarbon column II and a methane column II use the same carrier gas, a double quantitative ring is used to equally distribute air inflow, the total hydrocarbon column II and the methane column II are ensured to be well separated, the effect is the same as the original effect, and the cost is lower.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph comprises a chromatographic column (1), a heating wire, a platinum resistor and a hydrogen flame detector (11) connected with the chromatographic column (1), wherein an upper pipe of the hydrogen flame detector (11) is connected with an air compressor (12), a lower pipe of the hydrogen flame detector (11) is connected with a hydrogen generator (13), an air outlet end of the hydrogen flame detector (11) is connected with a first total hydrocarbon column and a first methane column, and the other ends of the first total hydrocarbon column and the first methane column are connected with the chromatographic column (1);
the method is characterized in that: still include valve body (2) of being connected with chromatographic column (1), and valve body (2) are connected with sample gas import and sample gas export respectively, still be provided with benzene series thing one between hydrogen flame detector (11) and chromatographic column (1), and be provided with throttle part (21) between hydrogen flame detector (11) and the sample gas import.
2. The on-line chromatograph of non-methane total hydrocarbons and benzenes with single detector and one-ten-way valve as claimed in claim 1, wherein: and the first total hydrocarbon column, the first methane column and the first benzene series are respectively connected with a hydrogen flame detector (11) through a first three-way valve.
3. The on-line chromatograph of non-methane total hydrocarbons and benzenes with single detector and one-ten-way valve as claimed in claim 2, characterized in that: the valve body (2) is a ten-way valve, the benzene series II of the chromatographic column (1) is connected with the valve body (2), the methane column II of the chromatographic column (1) is connected to the total hydrocarbon column II on the chromatographic column (1), and the tail end of the total hydrocarbon column II is connected with the valve body (2).
4. The on-line chromatograph of non-methane total hydrocarbons and benzenes with single detector and one-ten-way valve as claimed in claim 3, wherein: and the methane column II is connected with the total hydrocarbon column II through a three-way valve II.
5. The on-line chromatograph of one-detector one-ten way valve non-methane total hydrocarbons and benzenes as claimed in any one of claims 1 to 4, wherein: the throttling component (21) is a needle valve or an air resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921319173.4U CN210604531U (en) | 2019-08-15 | 2019-08-15 | Single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921319173.4U CN210604531U (en) | 2019-08-15 | 2019-08-15 | Single-detector single-ten-way valve non-methyl total hydrocarbon benzene series online chromatograph |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412191A (en) * | 2019-08-15 | 2019-11-05 | 南通乐尔环保科技有限公司 | A kind of non-first total hydrocarbon benzene homologues online gc of list detector list ten-way valve |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412191A (en) * | 2019-08-15 | 2019-11-05 | 南通乐尔环保科技有限公司 | A kind of non-first total hydrocarbon benzene homologues online gc of list detector list ten-way valve |
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Address after: 226322 yanggangju, Dongshe Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Le'er Environmental Technology (Jiangsu) Co.,Ltd. Address before: 226322 yanggangju, Dongshe Town, Tongzhou District, Nantong City, Jiangsu Province Patentee before: NANTONG LEER ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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Address after: 226322 tanghong village, Dongshe Town, Tongzhou District, Nantong City, Jiangsu Province Patentee after: Jiangsu Le'er Environmental Technology Co.,Ltd. Address before: 226322 yanggangju, Dongshe Town, Tongzhou District, Nantong City, Jiangsu Province Patentee before: Le'er Environmental Technology (Jiangsu) Co.,Ltd. |
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