CN209764711U - portable ultraviolet method flue gas analyzer - Google Patents
portable ultraviolet method flue gas analyzer Download PDFInfo
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- CN209764711U CN209764711U CN201920463963.3U CN201920463963U CN209764711U CN 209764711 U CN209764711 U CN 209764711U CN 201920463963 U CN201920463963 U CN 201920463963U CN 209764711 U CN209764711 U CN 209764711U
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- gas analyzer
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Abstract
the utility model belongs to the technical field of the industrial technology and specifically relates to a portable ultraviolet method flue gas analyzer strains relief pressure valve, circuit board, heating module, box and safety cover, the filtration relief pressure valve is installed on the box right side, the jet pump is installed on the inside right side of box, the box is inside to be fixed with the park solenoid valve in the jet pump upper end, the box is inside to be fixed with the temperature controller in park solenoid valve left side, and park solenoid valve and temperature controller electric connection, internal portion is fixed with ohm dragon relay in the temperature controller left side, ohm dragon relay left side is provided with switching power supply, and the switching power supply left side is provided with binding post. The utility model discloses in, small, portable and field test, hot wet method principle has got rid of moisture to the absorption influence of SO2 for the gas measurement accuracy of the easy soluble in water such as SO2 of low concentration is higher, supports expanded module function, according to the customer demand, provides the measuring module of different gases.
Description
Technical Field
The utility model relates to an industrial environment monitoring technology field specifically is a portable ultraviolet method flue gas analyzer.
Background
In recent years, the economic development speed of China is rapid, the brought environmental problems are increasingly highlighted, and with the great improvement of the tail gas treatment technology, new problems are continuously generated in the aspects of management and technology. Currently, various environmental protection authorities have issued a plurality of relevant policies and measures aiming at ultra-low emission requirements, and online monitoring systems installed by enterprises are increasingly low in measurement range, so that the measurement principle of the same type of products in the market is mainly infrared and electrochemistry, and when the concentration of gaseous pollutants is lower than 100mg/m3, the accuracy of the measurement value of the instrument is not high.
The product is strictly executed according to the technical requirements and detection method of a fixed pollution source smoke emission continuous monitoring system in the standard HJ/T76-2017. The high-temperature heat tracing in the whole process from sampling to measurement analyzes the concentration of each pollutant under the condition of not changing the components of the flue gas, and improves the reliability of the measured data of the instrument, so that the demand on a portable ultraviolet flue gas analyzer is increasing day by day.
most portable flue gas analyzers in the market currently mainly measure by an electrochemical method, wherein the electrochemical method has the following defects:
1. The electrochemical sensor mainly depends on the reaction of the gas to be measured and the sensor electrode to form potential difference, the concentration of each gas is calculated, the cross interference phenomenon exists among each gas, and particularly for the low-range measurement below 100ppm, the electrochemistry can not be accurately measured;
2. The electrochemical sensor has the advantages that due to the relation of the measurement principle, the service life of the electrochemical sensor is not long, and the sensor is basically replaced again in one year;
3. The electrochemical sensor is influenced by gas concentration in the using process, and if the electrochemical sensor exceeds a measuring range, the sensor is easily poisoned and damaged, so that the portable ultraviolet flue gas analyzer is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a portable ultraviolet method flue gas analyzer, it is different at the characteristic absorption peak of ultraviolet band according to different gases, the wave band of optional difference calculates, just so can avoid the intercrossing interference problem between gas, the light source utilizes the pulsed xenon lamp, the life of instrument can reach more than 5 years, because whole system's whole journey high temperature companion heats more than 120 ℃, the formation of liquid water in the sampling process has been avoided, got rid of because of being surveyed the gas and dissolved in water and cause the factor that measured data is low on the side, it is more accurate to make the measurement, the life of instrument has also improved, in order to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
A portable ultraviolet method flue gas analyzer comprises a filtering pressure reducing valve, a circuit board, a heating module, a box body and a safety cover, wherein the filtering pressure reducing valve is installed on the right side of the box body, a jet pump is installed on the right side inside the box body, a park solenoid valve is fixed on the upper end of the jet pump inside the box body, a temperature controller is fixed on the left side of the park solenoid valve inside the box body, the park solenoid valve is electrically connected with the temperature controller, an ohm dragon relay is fixed on the left side of the temperature controller inside the box body, a switching power supply is arranged on the left side of the ohm dragon relay, a wiring terminal is arranged on the left side of the switching power supply, a gas analyzer module is installed below the ohm dragon relay, a zirconium oxide circuit board is fixed on the left side of the gas analyzer module, the heating module is installed at the, the safety cover is characterized in that a circuit board is fixed at the upper end of the inner side of the safety cover, and a sampling tube is placed below the circuit board on the safety cover.
Preferably, zirconia is mounted on the left side of the zirconia circuit board.
Preferably, the upper end of the safety cover is provided with a film key.
preferably, a stainless steel quick connector is installed on the left side of the box body.
Preferably, supporting seats are fixed on two sides of the bottom of the box body.
Compared with the prior art, the beneficial effects of the utility model are that:
1. The utility model has small volume, convenient carrying and on-site test;
2. In the utility model, the heat and humidity principle removes the absorption influence of moisture on SO2, SO that the measurement accuracy of gases which are easily dissolved in water, such as low-concentration SO2, is higher;
3. The utility model discloses in, support expanded module function, according to the customer's demand, provide the measuring module of different gases.
Drawings
Fig. 1 is a schematic view of the overall structure of a portable ultraviolet flue gas analyzer of the present invention;
FIG. 2 is a plan view of the portable ultraviolet flue gas analyzer of the present invention;
FIG. 3 is an external view of the portable ultraviolet flue gas analyzer case of the present invention;
Fig. 4 is the utility model relates to a portable ultraviolet method flue gas analyzer sampling tube structure sketch map.
In the figure: 1. a filtering pressure reducing valve; 2. a jet pump; 3. a park solenoid valve; 4. a temperature controller; 5. an ohm dragon relay; 6. a switching power supply; 7. a gas analyzer module; 8. a wiring terminal; 9. a circuit board; 10. a heating module; 11. a zirconium oxide circuit board; 12. zirconium oxide; 13. a thin film key; 14. a sampling tube; 15. a supporting seat; 16. a stainless steel quick connector; 17. a box body; 18. a safety cover.
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. 1-4, the present invention provides a technical solution:
A portable ultraviolet method flue gas analyzer comprises a filtering pressure reducing valve 1, a circuit board 9, a heating module 10, a box body 17 and a safety cover 18, wherein the filtering pressure reducing valve 1 is installed on the right side of the box body 17, a jet pump 2 is installed on the right side inside the box body 17, a park solenoid valve 3 is fixed on the upper end of the jet pump 2 inside the box body 17, a temperature controller 4 is fixed on the left side of the park solenoid valve 3 inside the box body 17, the park solenoid valve 3 is electrically connected with the temperature controller 4, an ohm dragon relay 5 is fixed on the left side of the temperature controller 4 inside the box body 17, a switching power supply 6 is arranged on the left side of the ohm dragon relay 5, a wiring terminal 8 is arranged on the left side of the switching power supply 6, a gas analyzer module 7 is installed below the ohm dragon relay 5, a zirconia circuit board 11 is fixed on the left side of the gas analyzer, heating module 10 is installed to the inside bottom of box 17, stainless steel quick connector 16 is installed on the left side of box 17, box 17 one side is connected with safety cover 18 in a hinged mode through the hinge, safety cover 18 inboard upper end is fixed with circuit board 9, safety cover 18 has placed sampling tube 14 in circuit board 9 below, safety cover 18 upper end is provided with film button 13, box 17 bottom both sides all are fixed with supporting seat 15.
the working principle is as follows: the analyzer adopts an extraction type heat-wet method technology, according to an ultraviolet difference principle, the concentration of gases such as SO2, NO2 and the like in a flue is measured, and the concentration of O2 is measured through zirconia. Compared with the non-dispersive infrared absorption method and the extraction type condensation ultraviolet differential method on the market at present, the method solves the measurement interference caused by dissolving SO2, NO and NO2 in water.
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. a portable ultraviolet method flue gas analyzer which is characterized in that: including filtering relief pressure valve (1), circuit board (9), heating module (10), box (17) and safety cover (18), filtering relief pressure valve (1) is installed on box (17) right side, jet pump (2) are installed on the inside right side of box (17), box (17) inside is fixed with park solenoid valve (3) in jet pump (2) upper end, box (17) inside is fixed with temperature controller (4) in park solenoid valve (3) left side, and park solenoid valve (3) and temperature controller (4) electric connection, box (17) inside is fixed with ohm dragon relay (5) in temperature controller (4) left side, ohm dragon relay (5) left side is provided with switching power supply (6), and switching power supply (6) left side is provided with binding post (8), gas analysis appearance module (7) is installed to ohm dragon relay (5) below, gas analysis appearance module (7) left side is fixed with zirconia circuit board (11), heating module (10) are installed to the inside bottom of box (17), box (17) one side is connected with safety cover (18) with articulated mode through the hinge, safety cover (18) inboard upper end is fixed with circuit board (9), sampling tube (14) have been placed in circuit board (9) below in safety cover (18).
2. The portable ultraviolet flue gas analyzer of claim 1, wherein: zirconia (12) is installed on the left side of the zirconia circuit board (11).
3. The portable ultraviolet flue gas analyzer of claim 1, wherein: the upper end of the safety cover (18) is provided with a film key (13).
4. The portable ultraviolet flue gas analyzer of claim 1, wherein: and a stainless steel quick-connection plug (16) is arranged on the left side of the box body (17).
5. The portable ultraviolet flue gas analyzer of claim 1, wherein: and supporting seats (15) are fixed on two sides of the bottom of the box body (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463963.3U CN209764711U (en) | 2019-04-08 | 2019-04-08 | portable ultraviolet method flue gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920463963.3U CN209764711U (en) | 2019-04-08 | 2019-04-08 | portable ultraviolet method flue gas analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764711U true CN209764711U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920463963.3U Active CN209764711U (en) | 2019-04-08 | 2019-04-08 | portable ultraviolet method flue gas analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209764711U (en) |
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2019
- 2019-04-08 CN CN201920463963.3U patent/CN209764711U/en active Active
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