CN211536985U - Zero gas generator of waste gas analyzer - Google Patents
Zero gas generator of waste gas analyzer Download PDFInfo
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- CN211536985U CN211536985U CN201922263783.3U CN201922263783U CN211536985U CN 211536985 U CN211536985 U CN 211536985U CN 201922263783 U CN201922263783 U CN 201922263783U CN 211536985 U CN211536985 U CN 211536985U
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Abstract
The utility model relates to a zero gas generator of exhaust gas analyzer, including air compressor, air compressor's output links to each other with first water separator's input, first water separator's output links to each other with the input of conversion room, the output of conversion room links to each other with aftertreatment device's input, aftertreatment device's output links to each other with the input of air chamber. The utility model discloses the content that enables zero standard gas is more accurate, and the zero setting result is more accurate.
Description
Technical Field
The utility model relates to a zero gas generator of exhaust gas analyzer.
Background
According to the requirements in the current standard GB18285-2018, zero standard gas or zero standard gas generator can be adopted for zero point correction of the exhaust gas analyzer. In the actual use process, because zero correction frequency is higher, the cost consumption of zero standard gas is overlarge, while zero gas generators on the market have simpler structural functions, and some zero gas generators can not effectively remove impurity gas only by filtering air through a physical method, thereby influencing the zero adjustment effect of the waste gas analyzer.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a zero gas generator of a new structure for an exhaust gas analyzer, so that the zero gas generator has more industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a zero gas generator of exhaust gas analyzer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a zero gas generator of an exhaust gas analyzer comprises an air compressor, wherein the output end of the air compressor is connected with the input end of a first water separator, the output end of the first water separator is connected with the input end of a conversion chamber, the output end of the conversion chamber is connected with the input end of a post-processing device, and the output end of the post-processing device is connected with the input end of a gas chamber;
the conversion chamber is composed of an oxygen chamber and a condensation chamber, the input end of the oxygen chamber is connected with the output end of the first water separator, the output end of the oxygen chamber is connected with the input end of the condensation chamber, and the output end of the condensation chamber is connected with the input end of the post-treatment device;
the post-processing device is composed of a second water separator, a first filter, a second filter and a drying processor, wherein the input end of the second water separator is connected with the output end of the condensation chamber, and the output end of the second water separator is transmitted into the air chamber through the first filter, the second filter and the drying processor.
Preferably, a pressure stabilizing valve is connected between the water separator and the conversion chamber.
Preferably, in the zero gas generator of the exhaust gas analyzer, the first filter is an activated carbon filter.
Preferably, the zero gas generator of the exhaust gas analyzer and the second filter are copper filter elements.
Preferably, the zero gas generator of the exhaust gas analyzer comprises an output end of the gas chamber and a storage gas chamber, wherein a pressure release valve is arranged on the storage gas chamber.
Preferably, in the zero gas generator for an exhaust gas analyzer, the output end of the storage chamber is connected with the exhaust gas analyzer through a hose.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses utilized the difference of each gaseous boiling point, will separate away from the air to the impurity gas who influences zero-crossing through simple chemical method, made the content of zero standard gas more accurate, the zero-crossing result is more accurate. The utility model discloses a simple structure of adoption is convenient for implement and install, has still reduced the cost that its detected simultaneously.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
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 structural diagram of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the 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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. 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 embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the zero gas generator of the exhaust gas analyzer comprises an air compressor 1, wherein an output end of the air compressor 1 is connected with an input end of a first water separator 2, an output end of the first water separator 2 is connected with an input end of a conversion chamber 3, an output end of the conversion chamber 3 is connected with an input end of an after-treatment device 4, and an output end of the after-treatment device 4 is connected with an input end of a gas chamber 5;
the conversion chamber 3 is composed of an oxygen chamber 31 and a condensation chamber 32, the input end of the oxygen chamber 31 is connected with the output end of the first water separator 2, the output end of the oxygen chamber 31 is connected with the input end of the condensation chamber 32, and the output end of the condensation chamber 32 is connected with the input end of the post-treatment device 4;
the post-treatment device 4 is composed of a second water separator 41, a first filter 42, a second filter 43 and a drying processor 44, wherein the input end of the second water separator 41 is connected with the output end of the condensation chamber 32, and the output end of the second water separator 41 is transmitted into the gas chamber 5 through the first filter 42, the second filter 43 and the drying processor 44.
The utility model discloses in be connected with surge damping valve 6 between water separator 2 and the conversion room 3.
In the present invention, the first filter 42 is an activated carbon filter.
The utility model discloses in the second filter is copper filter core filter.
The utility model discloses in the output and the air storage chamber 7 of air chamber 5, be provided with the relief valve on the air storage chamber 7.
The utility model discloses in storage air chamber 7's output passes through the hose and links to each other with exhaust gas analyzer.
The above-mentioned drying processor is a technology known to those skilled in the art, and the drying agent therein is also a drying agent known to those skilled in the art, and will not be described in any detail herein.
1. Air is pumped by an air compressor and compressed;
2. filtering a part of liquid water vapor from the compressed air through a first water separator to ensure that the air entering the conversion chamber is relatively dry;
3. before entering the conversion chamber, air passes through a pressure stabilizing valve to ensure that the air pressure entering the conversion chamber is in a constant pressure state;
4. in the conversion chamber, air firstly enters the oxidation chamber, the oxidation chamber is a channel wound with a heating copper pipe, the heating temperature can be set by a knob on a control panel, the temperature is usually set at 375 ℃, and CO can be mainly converted into CO2, so that the CO is convenient to remove;
5. the gas passing through the oxidation chamber is introduced into the next condensation chamber, the temperature of the condensation chamber can also be set through a knob on a control panel, the temperature is usually set to be-151 ℃, and the impurity gas is removed mainly by utilizing the difference of the boiling points of the gases of all components (the boiling point of oxygen is-183 ℃, and the boiling points of other impurity gases are higher than the temperature);
6. the gas passing through the conversion chamber is filtered again by a post-treatment device consisting of a first filter and a second filter which are composed of a second water separator, active carbon and a copper filter element and a drying processor with a drying agent;
7. the gas after filtering lets in a fixed volumetric storage air chamber and is used for storing, and storage air chamber lower extreme has a relief valve, and when pressure reached relief valve settlement pressure, the relief valve was opened release pressure, ensures the air chamber internal pressure, and the air chamber other end passes through the hose and directly links to each other with the zero gas port of analysis appearance.
The working principle of the utility model is as follows:
firstly, air is extracted by an air compressor 1, the air passes through a first water separator 2 to filter out liquid water vapor in part of the air, the air filtered by the first water separator 2 enters a conversion chamber 3 through a pressure stabilizing valve 6, the conversion chamber 3 consists of an oxidation chamber 31 and a condensation chamber 32, the working temperature of the oxidation chamber 31 is 375 ℃, the main function is to oxidize CO in the air into CO2 and remove the CO, the oxidized gas passes through the condensation chamber 32, the working temperature of the condensation chamber 32 is about minus 151 ℃, the main function is to remove impurity gases such as CO2, NO2 and the like, the principle is to adjust the temperature by utilizing the difference of the boiling points of the gas to ensure that the gas is in a liquid state and is convenient to remove, the gas passing through the conversion chamber 3 passes through a post-treatment device 4, and the air-water separator mainly consists of a second gas-water separator, a first filter, a second filter and a drying processor, and mainly filters water and other solid impurities, the gas passing through the post-treatment device can basically reach the standard zero gas required by the zero standard gas; the gas passing through the aftertreatment device is stored in a storage chamber 7 having a pressure relief valve at the lower end to ensure chamber pressure.
According to the requirement in GB18285-2018, in 2min before beginning the tail gas test at every turn, exhaust gas analyzer should accomplish zero correction voluntarily, this just so means all need calibrate equipment with zero standard gas before measuring at every turn, the utility model discloses a need only regularly change expendable supplies such as filter core on the equipment, the price is also not high moreover, and the reduction that the consumptive material cost will be great, and life also can lengthen greatly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A zero gas generator of an exhaust gas analyzer is characterized in that: the device comprises an air compressor (1), wherein the output end of the air compressor (1) is connected with the input end of a first water separator (2), the output end of the first water separator (2) is connected with the input end of a conversion chamber (3), the output end of the conversion chamber (3) is connected with the input end of a post-processing device (4), and the output end of the post-processing device (4) is connected with the input end of an air chamber (5);
the conversion chamber (3) is composed of an oxygen chamber (31) and a condensation chamber (32), the input end of the oxygen chamber (31) is connected with the output end of the first water separator (2), the output end of the oxygen chamber (31) is connected with the input end of the condensation chamber (32), and the output end of the condensation chamber (32) is connected with the input end of the post-treatment device (4);
the post-treatment device (4) is composed of a second water separator (41), a first filter (42), a second filter (43) and a drying processor (44), wherein the input end of the second water separator (41) is connected with the output end of the condensation chamber (32), and the output end of the second water separator (41) is transmitted into the air chamber (5) through the first filter (42), the second filter (43) and the drying processor (44).
2. The zero gas generator of an exhaust gas analyzer according to claim 1, wherein: and a pressure stabilizing valve (6) is connected between the water separator (2) and the conversion chamber (3).
3. The zero gas generator of an exhaust gas analyzer according to claim 1, wherein: the first filter (42) is an activated carbon filter.
4. The zero gas generator of an exhaust gas analyzer according to claim 1, wherein: the second filter is a copper filter element filter.
5. The zero gas generator of an exhaust gas analyzer according to claim 1, wherein: the output end of the air chamber (5) is connected with the air storage chamber (7), and the air storage chamber (7) is provided with a pressure release valve.
6. The zero gas generator of an exhaust gas analyzer according to claim 5, wherein: the output end of the storage air chamber (7) is connected with an exhaust gas analyzer through a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263783.3U CN211536985U (en) | 2019-12-17 | 2019-12-17 | Zero gas generator of waste gas analyzer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922263783.3U CN211536985U (en) | 2019-12-17 | 2019-12-17 | Zero gas generator of waste gas analyzer |
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| CN211536985U true CN211536985U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750728A (en) * | 2021-09-11 | 2021-12-07 | 河南省奥瑞环保科技股份有限公司 | CO2/CH4Ultra-clean zero-gas generation method |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750728A (en) * | 2021-09-11 | 2021-12-07 | 河南省奥瑞环保科技股份有限公司 | CO2/CH4Ultra-clean zero-gas generation method |
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