CN215263382U - Intelligent gas concentration detection device - Google Patents
Intelligent gas concentration detection device Download PDFInfo
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- CN215263382U CN215263382U CN202121388763.XU CN202121388763U CN215263382U CN 215263382 U CN215263382 U CN 215263382U CN 202121388763 U CN202121388763 U CN 202121388763U CN 215263382 U CN215263382 U CN 215263382U
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Abstract
The utility model provides an intelligent gas concentration detection device, including power unit, gas pretreatment mechanism and gas detection mechanism, gas pretreatment mechanism includes dust filter, washing unit, condenser and drier-filter, the dust filter with power unit's air inlet intercommunication, power unit's gas outlet passes through three way connection and connects the bypass gas vent respectively with washing unit's air inlet, the gas inlet that awaits measuring of condenser with washing unit's gas outlet intercommunication, compressed air inlet pass through compressed gas governing valve with the compressed gas inlet of condenser communicates, the compressed gas export of condenser communicates with the compressed air gas outlet, the liquid outlet of condenser communicates with the leakage fluid dram through automatic leakage valve; the air inlet of the dry filter is communicated with the air outlet of the sample gas to be detected of the condenser, and the air inlet of the gas detection mechanism is communicated with the air outlet of the dry filter.
Description
Technical Field
The utility model relates to a gas concentration detection field, specific theory has related to a gas concentration intellectual detection system device.
Background
Because the content of some gas in some sample gas need be detected and analyzed in operation environment such as chemical industry, oil, but these gas that will detect still contain other gas or impurity in still, for example contain impurity such as steam, toxic gas, dust in special environment, if not to impurity gas, steam or dust filtering complete when using equipment to detect, can cause the damage to the sensor, consequently need do the preliminary treatment to the sample gas that will detect, and other gas or impurity in the current equipment adopted washing operation to filter out the detection sample gas, can't filter out other gas or impurity in the detection sample gas completely, it can waste a part neutralization solution at the in-process that carries out the washing.
The invention discloses an intelligent online analysis system for oxygen concentration of a centrifugal machine, which comprises a sampling probe, an automatic water washing unit, a contact type gas-liquid separator, a constant-temperature vortex refrigeration dehumidifier, a fine filter, an adsorption filter, a self-cleaning filter, a pneumatic diaphragm pump, an oxygen detector and an analysis cabinet, wherein the adjustable flow meter is arranged between the fine filter and a gas sample discharge port on the side wall of the analysis cabinet, so that even sample gas discharged from the gas sample discharge port is washed by the automatic water washing unit, and the loss of a water washing solution is caused; and a compressed gas regulating valve is not arranged between the compressed air inlet and the condenser, so that the use efficiency of the compressed air is not high.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at providing a gas concentration intellectual detection system device to prior art's not enough.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an intelligent gas concentration detection device comprises a power mechanism, a gas pretreatment mechanism and a gas detection mechanism, wherein the gas pretreatment mechanism comprises a dust filter, a washing unit, a condenser and a drying filter;
the dust filter is communicated with the air inlet of the power mechanism and is used for filtering dust particles in the sample gas to be detected entering the water washing unit;
the gas outlet of the power mechanism is respectively connected with a bypass gas outlet and the gas inlet of the water washing unit through a three-way joint, an adjustable flowmeter is further arranged between the bypass gas outlet and the three-way joint, and the adjustable flowmeter is used for adjusting the flow of the sample gas to be detected discharged from the bypass gas outlet so as to indirectly control the flow of the sample gas to be detected to be washed;
the water washing unit is used for carrying out alkali washing and alcohol washing on the sample gas to be detected;
the gas inlet to be measured of the condenser is communicated with the gas outlet of the water washing unit, the compressed air inlet is communicated with the compressed gas inlet of the condenser through a compressed gas regulating valve, and the compressed gas regulating valve is used for regulating the flow of compressed air entering the condenser; a compressed gas outlet of the condenser is communicated with a compressed air outlet to discharge compressed air, and a liquid outlet of the condenser is communicated with a liquid outlet through an automatic liquid discharge valve; the condenser is used for cooling water vapor in the sample gas to be detected after alkali washing and alcohol washing so as to remove the water vapor in the sample gas to be detected;
the air inlet of the drying filter is communicated with the air outlet of the sample gas to be detected of the condenser and is used for drying the sample gas to be detected;
and the gas inlet of the gas detection mechanism is communicated with the gas outlet of the drying filter and is used for detecting the gas concentration of the sample gas to be detected.
Based on the above, an air blowing port is connected between the air outlet of the dust filter and the air inlet of the power mechanism through an air blowing valve, and the air blowing port is used for cleaning and discharging residual sample gas in a pipeline; and a pressure gauge is arranged between the air blowing valve and the power mechanism and used for detecting the pressure value of the air entering from the air blowing port.
Based on the above, the water washing unit comprises an alkaline washing tank and an alcohol washing tank, wherein an air inlet of the alkaline washing tank is communicated with an air outlet of the power mechanism through the three-way joint, an air outlet of the alkaline washing tank is communicated with an air inlet of the alcohol washing tank, and an air outlet of the alcohol washing tank is communicated with an air inlet to be detected of the condenser.
Based on the above, the water washing unit further comprises an alkali storage tank, an alcohol storage tank, an alkali liquor injection valve, an alcohol liquor injection valve, an alkali waste liquor discharge valve and an alcohol waste liquor discharge valve; the liquid outlet of the alkali storage tank is connected with the liquid inlet of the alkali washing tank through the alkali liquor injection valve, and the liquid outlet of the alcohol storage tank is connected with the liquid inlet of the alcohol washing tank through the alcohol liquid injection valve; the liquid outlet of the alkaline washing tank is connected with an alkaline liquid outlet through the alkaline waste liquid discharge valve, and the liquid outlet of the alcohol washing tank is connected with an alcohol liquid outlet through the alcohol waste liquid discharge valve.
Compared with the prior art, the intelligent gas concentration detection device has substantive characteristics and progress, and particularly, the intelligent gas concentration detection device provided by the utility model guides the sample gas to be detected at the point to be detected to the device through the power mechanism, so that the safety of protection personnel is convenient for maintenance; the flow of the sample gas to be detected flowing into the water washing unit is adjusted through a bypass formed by the adjustable flowmeter and the bypass exhaust port, so that the water washing unit only processes the sample gas to be detected which needs to flow into the gas detection mechanism, and the loss of a water washing solution is reduced; meanwhile, a compressed gas regulating valve is arranged between the compressed air inlet and the condenser to regulate the flow of the compressed air entering the condenser, so that the use efficiency of the compressed air is further improved.
Drawings
Fig. 1 is a schematic block diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic block diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic block diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic block diagram of embodiment 5 of the present invention.
In the figure: 1. a sample gas inlet; 2. a dust filter; 3. an electric vacuum diaphragm pump; 4. a three-way joint; 5. an adjustable flow meter; 6. an air blowing port; 7. a blowing valve; 8. a pressure gauge; 9. an alkaline washing tank; 10. an alkali storage tank; 11. washing the tank with alcohol; 12. an alcohol storage tank; 13. an alkali waste liquid discharge valve; 14. an alcohol waste liquid discharge valve; 15. an alkali liquor injection valve; 16. an alcohol liquid injection valve; 17. an alkaline drain port; 18. an alcohol drain port; 19. a condenser; 20. a compressed air inlet; 21. a compressed air outlet; 22. an automatic drain valve; 23. a liquid discharge port; 24. drying the filter; 25. a thermometer; 26. a flow meter; 27. a gas detector; 28. a cabinet body; 29. a bypass exhaust port; 30. an exhaust port; 31. a compressed gas regulating valve; 32. a water washing unit; 33. a display unit.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
The utility model provides an intelligent gas concentration detection device, as shown in figure 1, comprising a power mechanism, a gas pretreatment mechanism and a gas detection mechanism, preferably, the power mechanism is an electric vacuum diaphragm pump 3; the gas pretreatment mechanism includes a dust filter 2, a water washing unit 32, a condenser 19 and a drying filter 24,
the dust filter 2 is communicated with an air inlet of the electric vacuum diaphragm pump 3 and is used for filtering dust particles in the sample gas to be measured entering the electric vacuum diaphragm pump 3;
the gas outlet of the electric vacuum diaphragm pump 3 is respectively connected with a bypass gas outlet 29 and the gas inlet of the water washing unit through a three-way joint 4, an adjustable flowmeter 5 is further arranged between the bypass gas outlet 29 and the three-way joint 4, and the adjustable flowmeter 5 is used for adjusting the flow of the sample gas to be detected discharged from the bypass gas outlet 29;
the water washing unit 32 is used for performing alkali washing and alcohol washing on the sample gas to be detected;
the gas inlet to be measured of the condenser 19 is communicated with the gas outlet of the water washing unit 32, the compressed gas inlet of the condenser 19 is communicated with the compressed air inlet 20 through a compressed gas regulating valve, the compressed gas outlet of the condenser 19 is communicated with the compressed air gas outlet 21, and the liquid outlet of the condenser 19 is communicated with the liquid outlet 23 through an automatic liquid discharge valve 22; the compressed gas regulating valve 31 is used for regulating the flow of the compressed air entering the condenser 19; the condenser 19 is used for refrigerating the sample gas to be detected after alkali washing and alcohol washing so as to remove water vapor in the sample gas to be detected;
the air inlet of the drying filter 24 is communicated with the air outlet of the sample gas to be detected of the condenser 19 and is used for drying the sample gas to be detected; when concrete implementation, the sample gas outlet that awaits measuring of condenser 19 with still be provided with thermometer 25 between dry filter 24's the air inlet, through thermometer 25 detects the follow the temperature of the sample gas that awaits measuring that the sample gas outlet that awaits measuring of condenser 19 flows is adjusted according to the temperature value compressed gas governing valve 31, saving compressed gas that can be more reasonable makes the compressed gas rate of utilization more high-efficient.
The gas inlet of the gas detection mechanism is communicated with the gas outlet of the dry filter 24 and is used for detecting the gas concentration of the sample gas to be detected; in specific implementation, the gas detection mechanism includes a flow meter 26 and a gas detector 27, where the flow meter 26 is configured to indicate a gas flow rate of a sample gas to be detected entering the gas detector 27; the gas detector 27 is used for detecting the gas concentration of the sample gas to be detected; specifically, after the sample gas to be detected enters the gas detector 27, the gas detector 27 detects the gas concentration value and outputs a 4-20mA signal or an RS485 signal to the display unit 33; the sample gas to be measured is discharged from the gas discharge port 30 after passing through the gas detector 27.
It can be understood that the utility model discloses all connect through gas line, liquid pipeline between each mechanism, each unit.
The technical principle of the embodiment is as follows: under the action of the electric vacuum diaphragm pump 3, sample gas to be detected at an on-site sampling point is pumped into the intelligent gas concentration detection device through a gas pipeline; the sample gas to be detected firstly passes through the sample gas inlet and the dust filter 2 and then enters the electric vacuum diaphragm pump 3, the dust filter 2 can filter dust in the sample gas to be detected, and the electric vacuum diaphragm pump 3 and the gas detector 27 are prevented from being damaged by the dust;
sending the sample gas to be detected from the electric vacuum diaphragm pump 3 into the water washing unit 32 for alkali washing and alcohol washing to remove solid impurities in the sample gas to be detected and remove background gas and harmful substances in the sample gas to be detected;
as solid impurities, background gas and harmful substances contained in the sample gas to be detected have great damage to the gas detector 27, the measurement precision is influenced, and the service life of the gas detector 27 is shortened; therefore, the washing unit 32 is required to remove solid impurities, background gas and harmful substances contained in the sample gas to be detected quickly and efficiently;
the sample gas to be measured after passing through the water washing unit 32 is sent to the condenser 19, and the compressed air passes through the condenser 19 and then cools the sample gas to be measured in the condenser 19, so that water vapor remaining in the gas to be measured is liquefied and separated out, and the separated water liquid is discharged from the liquid discharge port 23 through the automatic liquid discharge valve 22;
the sample gas to be detected after being processed by the condenser 19 is sent to the drying filter 24 for further drying and dehydration, the sample gas to be detected does not damage the gas detector 27 at this time, and reaches the standard for detecting the gas concentration, and the gas detector 27 transmits data to the display unit 33 through a 4-20mA signal or a 485 bus after the gas detector 27 detects the gas concentration; and simultaneously the detected sample gas to be measured is discharged from the gas outlet 30.
The technical effects of the embodiment are as follows: according to the system, through the composition of each part and the design of a pipeline structure, aiming at the impurity types existing in the gas sample, redundant impurities in the gas sample can be effectively filtered through multi-level progressive filtering, the precision of the gas sample is improved, and the detection accuracy of the online detection device is further improved. And because the flow of giving vent to anger of electrodynamic type vacuum diaphragm pump 3 is far more than gas detector 27 detects required flow, consequently need be in the gas outlet department of electrodynamic type vacuum diaphragm pump 3 sets up the bypass reposition of redundant personnel to the gas flow who gets into gaseous pretreatment unit is adjusted in a flexible way, and unnecessary flow gas is discharged, prolongs the live time of wearing and tearing spare in the gaseous pretreatment unit, reduces the change frequency, can satisfy the measurement requirement simultaneously again. The compressed air regulating valve arranged between the compressed air inlet and the condenser can regulate the flow of the compressed air entering the condenser, and the use efficiency of the compressed air is further improved.
Example 2
This example differs from example 1 in that: in specific implementation, as shown in fig. 2, the water washing unit 32 includes an alkaline washing tank 9 and an alcohol washing tank 11, an air inlet of the alkaline washing tank 9 is communicated with an air outlet of the power mechanism through the three-way joint 4, an air outlet of the alkaline washing tank 9 is communicated with an air inlet of the alcohol washing tank 11, and an air outlet of the alcohol washing tank 11 is communicated with an air inlet of the condenser 19.
The water washing unit further comprises an alkali storage tank 10, an alcohol storage tank 12, an alkali liquor injection valve 15, an alcohol liquid injection valve 16, an alkali waste liquid discharge valve 13 and an alcohol waste liquid discharge valve 14, wherein a liquid discharge port of the alkali storage tank 10 is connected with a liquid inlet of the alkali washing tank 9 through the alkali liquor injection valve 15, and a liquid discharge port of the alcohol storage tank 12 is connected with a liquid inlet of the alcohol washing tank 11 through the alcohol liquid injection valve 16; the liquid outlet of the alkaline washing tank 9 is connected with an alkaline liquid outlet 17 through the alkaline waste liquid discharge valve 13, and the liquid outlet of the alcohol washing tank 11 is connected with an alcohol liquid outlet 18 through the alcohol waste liquid discharge valve 14.
The technical principle of the embodiment is as follows: discharging the waste liquid in the alkaline washing tank 9 through the alkaline waste liquid discharge valve 13, and replenishing liquid to the alkaline washing tank 9 through the alkaline storage tank 10 and the alkaline liquid injection valve 15; the waste liquid in the alcohol washing tank 11 is discharged through the alcohol waste liquid discharge valve 14, and the alcohol washing tank 11 is replenished with the liquid through the alcohol storage tank 12 and the alcohol liquid injection valve 16.
The technical effects of the embodiment are as follows: through automatic right the alkali wash jar 9 with the mellow wine washes jar 11 and trades liquid, make the operation of washing unit need not artificial intervention, save a large amount of manual works, improve the filter fineness of gas sample and the degree of accuracy that gas detected simultaneously, effectively guarantee the stability of system's operation.
Example 3
This example differs from example 2 in that: as shown in fig. 3, a gas blowing port 6 is connected between the gas outlet of the dust filter 2 and the gas inlet of the power mechanism through a gas blowing valve 7, and the gas blowing port 6 is used for cleaning and discharging residual sample gas in a pipeline; a pressure gauge 8 is arranged between the blowing valve 7 and the power mechanism, and the pressure gauge 8 is used for detecting the pressure value of the gas entering from the blowing port 6.
The technical principle of the embodiment is as follows: through with the mouth 6 that blows is connected, can clear up gas detection surveys the device, will the remaining sample gas in the gas detection surveys the device clearance discharge.
The technical effects of the embodiment are as follows: during each time of detecting the concentration of the sample gas to be detected, the detecting device has no residual sample gas at the last time, so that the filtering precision of the gas sample and the accuracy of gas detection are improved.
Example 4
This example differs from example 3 in that: the alkali liquor injection valve 15 and the alcohol liquor injection valve 16 are both check valves;
the arrangement of the alkali liquor injection valve 15 between the liquor drainage port of the alkali storage tank 10 and the liquor inlet of the alkali washing tank 9 can prevent the liquid in the alkali washing tank 9 from flowing back into the alkali storage tank 10, improve the filtering capacity of the alkali washing tank 9 and further improve the accuracy of gas detection; the arrangement of the alcohol liquid injection valve 16 between the liquid outlet of the alcohol storage tank 12 and the liquid inlet of the alcohol washing tank 11 can also avoid that the liquid in the alcohol washing tank 11 flows back to the interior of the alcohol storage tank 12, so that the filtering capacity of the alcohol washing tank 11 is improved, and the accuracy of gas detection is further improved.
Example 5
This example differs from example 4 in that: as shown in fig. 4, the intelligent gas concentration detection device includes a cabinet 28 and a through plate connector, and the power mechanism, the gas pretreatment mechanism and the gas detection mechanism are all disposed in the cabinet 28 and extend out of the cabinet 28 through the through plate connector.
In specific implementation, the plate penetrating joint can be divided into a sample gas inlet plate penetrating joint, a bypass gas outlet plate penetrating joint, a gas blowing port plate penetrating joint, an alcohol waste liquid discharge port plate penetrating joint, an alkali waste liquid discharge port plate penetrating joint, a liquid discharge port plate penetrating joint and a gas outlet plate penetrating joint according to connected components.
The gas inlet of the dust filter 2 is connected with the sample gas inlet 1 through a sample gas inlet plate penetrating joint, the gas outlet of the gas detector 27 is connected with the gas outlet 30 through a gas outlet plate penetrating joint, the alkali waste liquid discharge valve 13 is connected with the alkali liquid discharge port 17 through an alkali liquid discharge port plate penetrating joint, the alcohol waste liquid discharge valve 14 is connected with the alcohol liquid discharge port 18 through an alcohol liquid discharge port plate penetrating joint, the automatic liquid discharge valve 22 is connected with the liquid discharge port 23 through a liquid discharge port plate penetrating joint, and the bypass gas outlet 29 is connected with the adjustable flow meter 5 through a bypass gas outlet plate penetrating joint.
Will gas concentration intellectual detection system device installs in a cabinet body 28 concentratedly, is convenient for gas concentration intellectual detection system device's management.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (7)
1. The utility model provides a gas concentration intellectual detection system device which characterized in that: the device comprises a power mechanism, a gas pretreatment mechanism and a gas detection mechanism, wherein the gas pretreatment mechanism comprises a dust filter, a washing unit, a condenser and a drying filter;
the dust filter is communicated with the air inlet of the power mechanism and is used for filtering dust particles in the sample gas to be detected;
an air outlet of the power mechanism is respectively connected with a bypass air outlet and an air inlet of the water washing unit through a three-way joint, an adjustable flowmeter is further arranged between the bypass air outlet and the three-way joint, and the adjustable flowmeter is used for adjusting the flow of the sample gas to be detected discharged from the bypass air outlet;
the water washing unit is used for carrying out alkali washing and alcohol washing on the sample gas to be detected;
the gas inlet to be measured of the condenser is communicated with the gas outlet of the water washing unit, the compressed air inlet is communicated with the compressed gas inlet of the condenser through a compressed gas regulating valve, and the compressed gas regulating valve is used for regulating the flow of compressed air entering the condenser; a compressed gas outlet of the condenser is communicated with a compressed air outlet to discharge compressed air, and a liquid outlet of the condenser is communicated with a liquid outlet through an automatic liquid discharge valve; the condenser is used for cooling water vapor in the sample gas to be detected after alkali washing and alcohol washing so as to remove the water vapor in the sample gas to be detected;
the gas inlet of the drying filter is communicated with the gas outlet of the gas to be detected of the condenser and is used for drying the sample gas to be detected;
and the gas inlet of the gas detection mechanism is communicated with the gas outlet of the drying filter and is used for detecting the gas concentration of the sample gas to be detected.
2. The intelligent gas concentration detection device according to claim 1, characterized in that: an air blowing port is connected between the air outlet of the dust filter and the air inlet of the power mechanism through an air blowing valve and is used for cleaning and discharging residual sample gas in the pipeline; and a pressure gauge is arranged between the air blowing valve and the power mechanism and used for detecting the pressure value of the air entering from the air blowing port.
3. The gas concentration intelligent detection device according to claim 1 or 2, characterized in that: the water washing unit comprises an alkaline washing tank and an alcohol washing tank, wherein an air inlet of the alkaline washing tank is communicated with an air outlet of the power mechanism through the three-way joint, an air outlet of the alkaline washing tank is communicated with an air inlet of the alcohol washing tank, and an air outlet of the alcohol washing tank is communicated with an air inlet to be detected of the condenser.
4. The intelligent gas concentration detection device according to claim 3, wherein: the water washing unit also comprises an alkali storage tank, an alcohol storage tank, an alkali liquor injection valve, an alcohol liquid injection valve, an alkali waste liquid discharge valve and an alcohol waste liquid discharge valve; the liquid outlet of the alkali storage tank is connected with the liquid inlet of the alkali washing tank through the alkali liquor injection valve, and the liquid outlet of the alcohol storage tank is connected with the liquid inlet of the alcohol washing tank through the alcohol liquid injection valve; the liquid outlet of the alkaline washing tank is connected with an alkaline liquid outlet through the alkaline waste liquid discharge valve, and the liquid outlet of the alcohol washing tank is connected with an alcohol liquid outlet through the alcohol waste liquid discharge valve.
5. The intelligent gas concentration detection device according to claim 1, characterized in that: and a thermometer is arranged between the gas outlet of the gas to be measured of the condenser and the gas inlet of the drying filter.
6. The intelligent gas concentration detection device according to claim 1, characterized in that: the intelligent gas concentration detection device comprises a cabinet body and a plate penetrating connector, wherein the power mechanism is used for preprocessing gas and detecting gas and is arranged in the cabinet body, and the plate penetrating connectors arranged on the cabinet body are used for inputting and outputting gas and outputting liquid.
7. The intelligent gas concentration detection device according to claim 1, characterized in that: the power mechanism is an electric vacuum diaphragm pump, the gas detection mechanism comprises a flowmeter and a gas detector, and the flowmeter is used for indicating the flow of gas entering the gas detector; and the gas detector is used for detecting the gas concentration of the sample gas to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388763.XU CN215263382U (en) | 2021-06-22 | 2021-06-22 | Intelligent gas concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121388763.XU CN215263382U (en) | 2021-06-22 | 2021-06-22 | Intelligent gas concentration detection device |
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| Publication Number | Publication Date |
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| CN215263382U true CN215263382U (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121388763.XU Active CN215263382U (en) | 2021-06-22 | 2021-06-22 | Intelligent gas concentration detection device |
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| CN (1) | CN215263382U (en) |
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2021
- 2021-06-22 CN CN202121388763.XU patent/CN215263382U/en active Active
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