CN210834796U - Hydrogen flame ionization detector - Google Patents
Hydrogen flame ionization detector Download PDFInfo
- Publication number
- CN210834796U CN210834796U CN201921619734.2U CN201921619734U CN210834796U CN 210834796 U CN210834796 U CN 210834796U CN 201921619734 U CN201921619734 U CN 201921619734U CN 210834796 U CN210834796 U CN 210834796U
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- China
- Prior art keywords
- rotary cylinder
- electromagnetic valve
- flame ionization
- hydrogen flame
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 31
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 31
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims description 24
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 abstract description 3
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 150000004951 benzene Chemical class 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a hydrogen flame ionization detector belongs to and detects non-methane total hydrocarbon and benzene series thing technical field. The hydrogen flame ionization detector comprises a box body, a first branch valve mechanism, a second branch valve mechanism, a total hydrocarbon and methane column, a balance and back flushing column and a detector body. The first branch valve mechanism comprises a first rotary cylinder and a first electromagnetic valve, the first rotary cylinder is arranged on one side in the box body, the first electromagnetic valve is arranged at the output end of the first rotary cylinder, the first electromagnetic valve comprises a first valve body, and a ten-way first air port is formed in the periphery of the first valve body; the second branch valve mechanism comprises a second rotary cylinder and a second electromagnetic valve, the second electromagnetic valve comprises a second valve body, the number of the detector bodies is two, and the two detector bodies are arranged on one side in the box body side by side. The utility model discloses with gaseous introduce flow path system under the prerequisite of not revealing outward, reduce cost.
Description
Technical Field
The utility model relates to a detect non-methane total hydrocarbon and benzene series thing field, particularly, relate to a hydrogen flame ionization detector.
Background
The non-methane total hydrocarbon and benzene series refer to the general term of all hydrocarbons except methane, and mainly comprise components such as alkane, olefin, aromatic hydrocarbon and oxygenated hydrocarbon. The hydrocarbon substances, except methane, exist in liquid or solid state under normal conditions, have different vapor pressures according to the difference of molecular weight and structural form, and are non-methane total hydrocarbons as atmospheric pollutants.
In the non-methane total hydrocarbon and benzene series, the valve in the branch valve mechanism of the existing hydrogen flame ionization detector mostly adopts a six-way flow passage air port structure, and when the structure is detected, because the flow passages are less, the cost is higher when a gas introduction flow passage system is automatically switched.
SUMMERY OF THE UTILITY MODEL
In order to make up for the above deficiency, the utility model provides a hydrogen flame ionization detector aims at improving detection flow path and cost problem.
The utility model discloses a realize like this:
a hydrogen flame ionization detector comprises a box body, a first branch valve mechanism, a second branch valve mechanism, a total hydrocarbon and methane column, a balance and back flushing column and a detector body.
The first branch valve mechanism comprises a first rotary cylinder and a first electromagnetic valve, the first rotary cylinder is arranged on one side in the box body, the first electromagnetic valve is arranged at the output end of the first rotary cylinder, the first electromagnetic valve comprises a first valve body, and a ten-way first air port is formed in the periphery of the first valve body;
the second branch valve mechanism comprises a second rotary cylinder and a second electromagnetic valve, the second rotary cylinder is arranged on one side in the box body, the second electromagnetic valve is installed at the output end of the second rotary cylinder and comprises a second valve body, and a ten-way second air port is formed in the peripheral side of the second valve body;
the number of the total hydrocarbon columns and the number of the methane columns are two, the total hydrocarbon columns comprise total hydrocarbon columns and methane columns, the total hydrocarbon columns are arranged on one side adjacent to the first electromagnetic valve, and the methane columns are arranged on one side adjacent to the second electromagnetic valve;
the detector body is equipped with two, two the detector body set up side by side in one side in the box.
In an embodiment of the present invention, the first rotary cylinder and the second rotary cylinder are both fixedly installed on the box body through the base.
In an embodiment of the present invention, a first compartment is disposed in the box, and the first solenoid valve, the second rotary cylinder and the total hydrocarbon and methane column are all located in the first compartment.
In an embodiment of the present invention, a second compartment is disposed in the box, and a balancing and back-blowing column is disposed in the second compartment.
In an embodiment of the present invention, a capillary column is provided on one side of the first compartment and the second compartment.
In an embodiment of the present invention, the first gas port is connected with a polyethylene pipe, and the first gas port and the polyethylene pipe connecting position are fixedly connected through a first nut.
In an embodiment of the present invention, the second gas port is connected to a stainless steel pipe, and the second gas port and the connecting position of the stainless steel pipe are fixedly connected through a second nut.
In an embodiment of the present invention, a main pipeline is disposed on one side of the box.
The utility model discloses an in one embodiment, be equipped with the branch pipe on the main line, the branch pipe connect respectively in first revolving cylinder with second revolving cylinder.
The utility model discloses an in the embodiment, the louvre has been seted up to the box lateral wall.
The utility model has the advantages that: the utility model discloses a hydrogen flame ionization detector that above-mentioned design obtained, during the use, let in high-purity nitrogen gas and the sample gas that needs to detect in through first solenoid valve and second solenoid valve, and carry out reciprocal suitable angle of rotation through first revolving cylinder and second revolving cylinder respectively, gas flows in total hydrocarbon and methane post through first gas port, again by total hydrocarbon and methane post inflow detector this internal analysis that carries out, adopt respectively through first gas port and ten second gas ports through first solenoid valve and second solenoid valve, with gaseous in introducing the flow path system under the prerequisite of not revealing outward, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a hydrogen flame ionization detector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a first electromagnetic valve provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of a second electromagnetic valve provided in the embodiment of the present invention.
In the figure: 100-a box body; 200-a first branch valve mechanism; 210-a first rotary cylinder; 211-a base; 220-a first solenoid valve; 221-a first valve body; 222-a first gas port; 223-a first nut; 224-polyethylene pipe; 300-a second branch valve mechanism; 310-a second rotary cylinder; 320-a second solenoid valve; 321-a second valve body; 322-a second gas port; 323-second screw cap; 324-stainless steel tubing; 400-total hydrocarbons and methane column; 500-main line; 600-a detector body; 700-a first compartment; 800-a second compartment; 900-capillary column.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a hydrogen flame ionization detector comprises a box body 100, a first branch valve mechanism 200, a second branch valve mechanism 300, a total hydrocarbon and methane column 400 and a detector body 600, wherein heat dissipation holes are formed in the side wall of the box body 100, and the heat dissipation effect of the box body 100 is improved.
Referring to fig. 1-2, the first branch valve mechanism 200 includes a first rotary cylinder 210 and a first electromagnetic valve 220, the first rotary cylinder 210 is disposed at one side of the box 100, the first electromagnetic valve 220 is mounted at an output end of the first rotary cylinder 210, the first electromagnetic valve 220 includes a first valve body 221, a ten-way first air port 222 is disposed at a peripheral side of the first valve body 221, a polyethylene pipe 224 is connected to the first air port 222, a connection position of the first air port 222 and the polyethylene pipe 224 is fixedly connected by a first nut 223, the first air port 222 and the polyethylene pipe 224 are butt-jointed and screwed by the first nut 223, and the first rotary cylinder 210 is fixedly mounted on the box 100 by a base 211.
Referring to fig. 1 and 3, the second branch valve mechanism 300 includes a second rotary cylinder 310 and a second solenoid valve 320, the second rotary cylinder 310 is disposed at one side of the box 100, the second solenoid valve 320 is mounted at an output end of the second rotary cylinder 310, the second solenoid valve 320 includes a second valve body 321, a ten-way second air port 322 is disposed at a peripheral side of the second valve body 321, a stainless steel pipe 324 is connected to the second air port 322, a connection position of the second air port 322 and the stainless steel pipe 324 is fixedly connected by a second nut 323, the connection position of the second air port 322 and the stainless steel pipe 324 is screwed by the second nut 323, and the first rotary cylinder 210 is fixedly mounted to the box 100 by a base 500.
Referring to fig. 1, there are two total hydrocarbon and methane columns 400, where the total hydrocarbon and methane columns 400 include a total hydrocarbon column and a methane column, the total hydrocarbon column is disposed at one side adjacent to the first solenoid valve 220, and the methane column is disposed at one side adjacent to the second solenoid valve 320.
Referring to fig. 1, two detector bodies 600 are provided, and the two detector bodies 600 are disposed side by side at one side in the box 100.
Referring to fig. 1, it should be noted that a first compartment 700 is disposed in the box 100, the first solenoid valve 220, the second rotary cylinder 310 and the total hydrocarbon and methane column 400 are all disposed in the first compartment 700, a second compartment 800 is disposed in the box 100, a balancing and back-flushing column is disposed in the second compartment 800, and a capillary column 900 is disposed at one side of the first compartment 700 and the second compartment 800.
Referring to fig. 1, in the embodiment, a main pipeline 500 is disposed at one side of the box 100, and a branch pipeline is disposed on the main pipeline 500 and is connected to the first rotating cylinder 210 and the second rotating cylinder 310, respectively.
Specifically, the working principle of the hydrogen flame ionization detector is as follows: high-purity nitrogen and sample gas to be detected are introduced into the first electromagnetic valve 220 and the second electromagnetic valve 320, the high-purity nitrogen and the sample gas to be detected respectively rotate in a reciprocating mode at proper angles through the first rotary cylinder 210 and the second rotary cylinder 310, the gas flows into the total hydrocarbon and methane column 400 through the first gas port 222, then flows into the detector body 600 through the total hydrocarbon column and the methane column for analysis, the gas is introduced into the flow path system through the first electromagnetic valve 220 and the second electromagnetic valve 320 respectively through the first gas port 222 and the second gas port 322, and the gas is not leaked outside, so that the cost is reduced.
It should be noted that the specific model specifications of the first rotary cylinder 210, the first electromagnetic valve 220, the second rotary cylinder 310, the second electromagnetic valve 320, and the detector body 600 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.
The power supply of the first rotary cylinder 210, the first solenoid valve 220, the second rotary cylinder 310, the second solenoid valve 320, the detector body 600 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydrogen flame ionization detector is characterized by comprising
A case (100);
the first branch valve mechanism (200) comprises a first rotary cylinder (210) and a first electromagnetic valve (220), the first rotary cylinder (210) is arranged on one side in the box body (100), the first electromagnetic valve (220) is installed at the output end of the first rotary cylinder (210), the first electromagnetic valve (220) comprises a first valve body (221), and a ten-way first air port (222) is formed in the peripheral side of the first valve body (221);
the second branch valve mechanism (300) comprises a second rotary cylinder (310) and a second electromagnetic valve (320), the second rotary cylinder (310) is arranged on one side in the box body (100), the second electromagnetic valve (320) is installed at the output end of the second rotary cylinder (310), the second electromagnetic valve (320) comprises a second valve body (321), and a ten-way second air port (322) is formed in the peripheral side of the second valve body (321);
two total hydrocarbon and methane columns (400), wherein the total hydrocarbon and methane columns (400) comprise a total hydrocarbon column and a methane column, the total hydrocarbon column is arranged on one side adjacent to the first electromagnetic valve (220), and the methane column is arranged on one side adjacent to the second electromagnetic valve (320);
the detector comprises two detector bodies (600), wherein the two detector bodies (600) are arranged on one side in the box body (100) side by side.
2. A hydrogen flame ionization detector as claimed in claim 1, wherein the first rotary cylinder (210) and the second rotary cylinder (310) are both fixedly mounted to the housing (100) by means of a base (211).
3. A hydrogen flame ionization detector as claimed in claim 1, wherein a first compartment (700) is provided in the housing (100), and the first solenoid valve (220), the second rotary cylinder (310) and the total hydrocarbon and methane column (400) are located in the first compartment (700).
4. A hydrogen flame ionization detector as claimed in claim 3, characterized in that a second compartment (800) is provided in the housing (100), and a balancing and blow-back column is provided in the second compartment (800).
5. A hydrogen flame ionization detector according to claim 4, characterized in that the first compartment (700) and the second compartment (800) are provided with a capillary column (900) on one side.
6. The hydrogen flame ionization detector as claimed in claim 1, wherein a polyethylene pipe (224) is connected to the first gas port (222), and the connection position of the first gas port (222) and the polyethylene pipe (224) is fixedly connected through a first screw cap (223).
7. The hydrogen flame ionization detector according to claim 1, wherein the second gas port (322) is connected with a stainless steel pipe (324), and the connection position of the second gas port (322) and the stainless steel pipe (324) is fixedly connected through a second screw cap (323).
8. A hydrogen flame ionization detector as claimed in claim 1, characterized in that the main conduit (500) is provided on one side of the housing (100).
9. A hydrogen flame ionization detector according to claim 8, characterized in that a branch pipe is provided on the main conduit (500), and the branch pipes are connected to the first rotary cylinder (210) and the second rotary cylinder (310), respectively.
10. The hydrogen flame ionization detector according to claim 1, wherein the side wall of the housing (100) is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619734.2U CN210834796U (en) | 2019-09-27 | 2019-09-27 | Hydrogen flame ionization detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619734.2U CN210834796U (en) | 2019-09-27 | 2019-09-27 | Hydrogen flame ionization detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210834796U true CN210834796U (en) | 2020-06-23 |
Family
ID=71263880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619734.2U Expired - Fee Related CN210834796U (en) | 2019-09-27 | 2019-09-27 | Hydrogen flame ionization detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210834796U (en) |
-
2019
- 2019-09-27 CN CN201921619734.2U patent/CN210834796U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 |