CN214972964U - Waste gas concentration on-line monitoring device - Google Patents

Waste gas concentration on-line monitoring device Download PDF

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Publication number
CN214972964U
CN214972964U CN202120483794.7U CN202120483794U CN214972964U CN 214972964 U CN214972964 U CN 214972964U CN 202120483794 U CN202120483794 U CN 202120483794U CN 214972964 U CN214972964 U CN 214972964U
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valve
concentration sensor
processor
concentration
sensor
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CN202120483794.7U
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张鹏
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Gansu Lanwo Environmental Protection Engineering Co ltd
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Gansu Lanwo Environmental Protection Engineering Co ltd
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Abstract

The utility model discloses an exhaust gas concentration on-line monitoring device, which comprises a controller, a first concentration sensor, a first valve, a flow velocity sensor, a second valve, a third valve, a second concentration sensor and a third concentration sensor, wherein the controller 1 is respectively connected with the first concentration sensor, the first valve, the flow velocity sensor, the second valve, the third valve, the second concentration sensor and the third concentration sensor through electric signals; the first concentration sensor is respectively connected with the first valve, the flow rate sensor, the second valve and the third valve through electric signals. The controller, the first concentration sensor, the first valve, the flow rate sensor, the second valve, the third valve, the second concentration sensor and the third concentration sensor are respectively connected with the power supply through electric signals. The utility model provides high exhaust-gas treatment efficiency has avoided discharging and has not conform to the waste gas that discharges the requirement, the utility model discloses it is more intelligent.

Description

Waste gas concentration on-line monitoring device
Technical Field
The utility model relates to a waste gas monitoring device, in particular to waste gas concentration on-line monitoring device.
Background
With the enhancement of environmental protection consciousness in China, the industrial waste gas emission requirement is more and more strict. Because the industrial waste gas treatment requires complicatedly, need multiple equipment to carry out purification treatment and just can reach the emission requirement, and then its whole workflow operation is very loaded down with trivial details, the processing requirement of different waste gas concentration is also different, relevant equipment needs carry out parameter adjustment in real time, industrial waste gas is many all to have the toxicity, very harmful to human health, only depend on the manual work can't adjust the parameter in real time, also can't detect industrial waste gas in real time, also can't in time detect when equipment breaks down.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies in the above-mentioned background art, the utility model provides an exhaust gas concentration on-line monitoring device.
The utility model provides a technical scheme that its technical problem adopted is: an exhaust gas concentration online monitoring device comprises a controller, a first concentration sensor, a first valve, a flow velocity sensor, a second valve, a third valve, a second concentration sensor and a third concentration sensor, wherein the controller is respectively connected with the first concentration sensor, the first valve, the flow velocity sensor, the second valve, the third valve, the second concentration sensor and the third concentration sensor through electric signals; the first concentration sensor is respectively connected with the first valve, the flow rate sensor, the second valve and the third valve through electric signals. The controller, the first concentration sensor, the first valve, the flow rate sensor, the second valve, the third valve, the second concentration sensor and the third concentration sensor are respectively connected with the power supply through electric signals.
The first processor is connected with the second processor through a pipeline, and a first processor first air inlet, a first processor second air inlet and a first processor air outlet are formed in the first processor. And the second processor is provided with a first processor air outlet, a second processor second air outlet and a second processor air inlet. The air outlet of the first processor is connected with the air inlet of the second processor through a pipeline, and the second air outlet of the second processor is connected with the first air inlet of the first processor through a pipeline. The first concentration sensor is arranged at a first air outlet of the second processor. The third concentration sensor is arranged at the second air inlet of the first processor. And the second concentration sensor, the second valve and the flow velocity sensor are respectively and sequentially arranged in a connecting pipeline between the air outlet of the first processor and the air inlet of the second processor. And the third valve is arranged in a connecting pipeline between the second air outlet of the second processor and the first air inlet of the first processor.
The third concentration sensor is used for detecting the concentration of the waste gas entering the first processor, the second concentration sensor is used for detecting the concentration of the waste gas in the gas after the gas is processed by the first processor, and the first concentration sensor is used for detecting the concentration of the waste gas in the gas after the gas is processed by the second processor. The flow rate sensor is used for detecting the flow rate of the gas in the first processor and the second processor. The utility model discloses at the during operation, the operating condition of first valve and third valve is opposite completely. The second valve is used for regulating the flow rate of the gas in the first processor and the second processor, and the first valve and the third valve are used for controlling the flow path of the gas.
The utility model has the advantages that: the utility model discloses set up normal operating system and fault detection system, according to the exhaust gas concentration information that concentration sensor detected, judge the utility model discloses be in whether be in normal operating condition or be in abnormal operating condition, a plurality of concentration sensor carry out exhaust gas concentration to gas and detect, have improved the exhaust-gas treatment quality. The utility model discloses a different valves of information control and the gas flow path of controller still through concentration sensor and velocity sensor's transmission, the utility model provides high exhaust-gas treatment efficiency has avoided discharging and has not conform to the waste gas that discharges the requirement, the utility model discloses it is more intelligent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a working principle diagram of the normal working system of the present invention.
Fig. 3 is a working schematic diagram of the fault detection system of the present invention.
In the figure, 1, a controller, 2, a first concentration sensor, 3, a first valve, 4, a flow rate sensor, 5, a second valve, 6, a third valve, 7, a second concentration sensor, 8, a third concentration sensor, 9, a first processor, 10, a second processor, 11, a power supply, 91, a first processor first air inlet, 92, a first processor second air inlet, 93, a first processor air outlet, 101, a second processor first air outlet, 102, a second processor second air outlet, 103, a second processor air inlet.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings and examples, and the parts of the present invention not described in the present invention can be realized by using or using the existing technologies.
It should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.
Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
As shown in fig. 1 to 3, an online exhaust gas concentration monitoring device includes a controller 1, a first concentration sensor 2, a first valve 3, a flow rate sensor 4, a second valve 5, a third valve 6, a second concentration sensor 7, and a third concentration sensor 8. The controller 1 is respectively connected with a first concentration sensor 2, a first valve 3, a flow rate sensor 4, a second valve 5, a third valve 6, a second concentration sensor 7 and a third concentration sensor 8 through electric signals; the first concentration sensor 2 is connected to the first valve 3, the flow rate sensor 4, the second valve 5, and the third valve 6 via electric signals. The controller 1, the first concentration sensor 2, the first valve 3, the flow rate sensor 4, the second valve 5, the third valve 6, the second concentration sensor 7, and the third concentration sensor 8 are connected to a power supply 11 via electric signals, respectively.
The first processor 9 is connected with the second processor 10 through a pipeline, and the first processor 9 is provided with a first processor first air inlet 91, a first processor second air inlet 92 and a first processor air outlet 93. The second processor 10 is provided with a second processor first air outlet 101, a second processor second air outlet 102 and a second processor air inlet 103. First processor air outlet 93 is connected with second processor air inlet 103 through a pipeline, and second processor air outlet 102 is connected with first processor first air inlet 91 through a pipeline. The first concentration sensor 2 is disposed at the second processor first air outlet 101. The third concentration sensor 8 is provided at the first processor second inlet port 92. The second concentration sensor 7, the second valve 5 and the flow rate sensor 4 are respectively and sequentially arranged in a connecting pipeline between the first processor air outlet 93 and the second processor air inlet 103. The third valve 6 is provided in a connecting line of the second processor second outlet port 102 and the first processor first inlet port 91.
The third concentration sensor 8 is used for detecting the concentration of the exhaust gas entering the first processor 9, the second concentration sensor 7 is used for detecting the concentration of the exhaust gas in the gas after being processed by the first processor 9, and the first concentration sensor 2 is used for detecting the concentration of the exhaust gas in the gas after being processed by the second processor 10. The flow rate sensor 4 is used to detect the flow rate of the gas in the first processor 9 and the second processor 10. The utility model discloses at the during operation, the operating condition of first valve 3 and third valve 6 is opposite completely. The second valve 5 is used for adjusting the flow rate of the gas in the first processor 9 and the second processor 10, and the first valve 3 and the third valve 6 are used for controlling the flow path of the gas. The controller 1 controls the operating states of the first valve 3, the second valve 5, and the third valve 6. The first processor 9 performs a primary purification process on the gas, and the second processor 10 performs a secondary purification process on the gas. The utility model discloses set up one set of normal operating system and one set of fault detection system, according to the exhaust gas concentration information that concentration sensor detected, controller 1 can judge the utility model discloses whether be in normal operating condition or be in abnormal operating condition. The controller 1 is provided with an exhaust gas concentration discharge concentration and gas flow rate regulation program in advance.
The utility model discloses at normal during operation, according to the waste gas concentration information that concentration sensor detected can take place following three kinds of circumstances:
embodiment 1. the concentration of exhaust gas detected by the second concentration sensor 7 conforms to the emission concentration set in the controller 1.
The third concentration sensor 8 transmits the concentration of the exhaust gas detected by the gas entering the first processor 9 to the controller 1, after the gas is purified in the first processor 9, the second concentration sensor 7 transmits the information of the concentration of the exhaust gas in the gas after the primary purification treatment to the controller 1, at the moment, the concentration of the exhaust gas detected by the second concentration sensor 7 meets the emission standard, the controller 1 controls the second valve 5 to be opened to the maximum state, controls the first valve 3 to be opened, controls the third valve 6 to be closed, and directly discharges the gas into the air after the gas passes through the second processor 10.
Embodiment 2. the concentration of exhaust gas detected by the second concentration sensor 7 does not meet the emission requirements, but the concentration of exhaust gas detected by the first concentration sensor 2 meets the emission requirements.
The third concentration sensor 8 transmits the concentration of the exhaust gas detected by the gas entering the first processor 9 to the controller 1, after the gas is purified in the first processor 9, the second concentration sensor 7 transmits the information of the concentration of the exhaust gas in the gas after the primary purification treatment to the controller 1, at the moment, the concentration of the exhaust gas detected by the second concentration sensor 7 does not meet the emission standard, and the detected concentration of the exhaust gas is obviously less than the concentration of the exhaust gas detected by the third concentration sensor 8, the controller 1 controls the first valve 3 to close, the third valve 6 to open, at the moment, the gas enters the second processor 10 after being purified in the first processor 9, after the gas is purified in the second processor 10 for the second time, the first concentration sensor 2 transmits the information of the concentration of the exhaust gas after the secondary purification treatment to the controller 1, at the moment, the concentration of the exhaust gas detected by the first concentration sensor 2 meets the emission standard, the controller 1 controls the first valve 3 to be opened and the third valve 6 to be closed, and the gas is directly discharged to the air after passing through the second processor 10.
Embodiment 3. the exhaust gas concentrations detected by the second concentration sensor 7 and the first concentration sensor 2 do not meet the emission requirements.
The third concentration sensor 8 transmits the concentration of the exhaust gas detected by the gas entering the first processor 9 to the controller 1, after the gas is purified in the first processor 9, the second concentration sensor 7 transmits the information of the concentration of the exhaust gas in the gas after primary purification to the controller 1, at this time, the concentration of the exhaust gas detected by the second concentration sensor 7 does not meet the emission standard, and the detected concentration of the exhaust gas is obviously less than the concentration of the exhaust gas detected by the third concentration sensor 8, the controller 1 controls the first valve 3 to close, the third valve 6 to open, at this time, the gas enters the second processor 10 after being purified in the first processor 9, after the gas is purified in the second processor 10 for the second time, the first concentration sensor 2 transmits the information of the concentration of the exhaust gas after secondary purification to the controller 1, at this time, the controller 1 judges that the concentration of the exhaust gas detected by the first concentration sensor 2 does not meet the emission standard, the controller 1 controls the first valve 3 to close, the third valve 6 to open, the gas enters the first processor 9 through the second outlet 102 of the second processor and the first inlet 91 of the first processor, the controller 1 controls the working state of the second valve 5 according to the flow rate information transmitted by the flow rate sensor 4, and the time for the first processor 9 and the second processor 10 to process the waste gas is prolonged by reducing the flow rate of the air, so as to achieve the purposes of enhancing the waste gas processing effect and reducing the concentration of the waste gas.
The gas which enters the first processor 9 again is purified, the second concentration sensor 7 transmits the information of the concentration of the exhaust gas in the purified gas to the controller 1, if the concentration of the exhaust gas detected by the second concentration sensor 7 meets the emission standard, the controller 1 controls the second valve 5 to be opened to the maximum state, controls the first valve 3 to be opened, controls the third valve 6 to be closed, and directly discharges the gas into the air after passing through the second processor 10. If the concentration of the exhaust gas detected by the second concentration sensor 7 does not meet the emission standard and the detected concentration of the exhaust gas is obviously less than the concentration of the exhaust gas detected by the third concentration sensor 8, the controller 1 controls the first valve 3 to close, the third valve 6 to open, the gas enters the second processor 10 after being purified in the first processor 9, the first concentration sensor 2 transmits the information of the concentration of the exhaust gas after the secondary purification to the controller 1 after the gas is purified in the second processor 10 for the second time, if the concentration of the exhaust gas detected by the first concentration sensor 2 meets the emission standard, the controller 1 controls the first valve 3 to open, the third valve 6 to close, and the gas is directly discharged into the air after passing through the second processor 10. If the controller 1 determines that the exhaust gas concentration detected by the first concentration sensor 2 does not meet the emission standard, the controller 1 controls the first valve 3 to close, the third valve 6 to open, and the gas enters the first processor 9 through the second processor second outlet 102 and the first processor first inlet 91, and the above steps are repeated until the gas meets the emission requirement.
The utility model discloses a when the exhaust gas concentration information that concentration sensor detected appears following three kinds of circumstances, explain the utility model discloses be in abnormal operating condition, controller 1 can show the trouble reason in the display.
1. If the utility model discloses at the during operation, if the exhaust gas concentration that second concentration sensor 7, first concentration sensor 2 detected all is not conform to the emission requirement and second concentration sensor 7 and third concentration sensor 8 detect exhaust gas concentration difference when little, it is relatively poor to explain first treater 9's purification treatment effect this moment, and first treater 9 breaks down, and the relevant medicament of purification treatment in the first treater 9 probably needs to be changed.
2. If the exhaust gas concentrations detected by the second concentration sensor 7 and the first concentration sensor 2 do not meet the emission requirement and the exhaust gas concentrations detected by the first concentration sensor 7 and the first concentration sensor 2 are not greatly different, it indicates that the purifying treatment effect of the second processor 10 is poor at this time, the second processor 10 fails, and the chemical agent related to the purifying treatment in the second processor 10 may need to be replaced.
3. If the exhaust gas concentrations detected by the second concentration sensor 7 and the first concentration sensor 2 do not meet the emission requirement and the exhaust gas concentrations detected by the first concentration sensor 7, the first concentration sensor 2 and the third concentration sensor 8 are not greatly different, it is indicated that the purifying treatment effects of the first processor 9 and the second processor 10 are poor at this time, the first processor 9 and the second processor 10 both have faults, and the medicaments related to the purifying treatment in the first processor 9 and the second processor 10 may need to be replaced.
The utility model discloses set up normal operating system and fault detection system, according to the exhaust gas concentration information that concentration sensor detected, judge the utility model discloses be in whether be in normal operating condition or be in abnormal operating condition, a plurality of concentration sensor carry out exhaust gas concentration to gas and detect, have improved the exhaust-gas treatment quality. The utility model discloses a different valves of information regulation and gas flow path of controller 1 still through concentration sensor and velocity sensor's transmission, the utility model provides high exhaust-gas treatment efficiency has avoided discharging and has not conform to the waste gas that discharges the requirement, the utility model discloses it is more intelligent.

Claims (1)

1. The utility model provides an exhaust gas concentration on-line monitoring device which characterized in that: the device comprises a controller (1), a first concentration sensor (2), a first valve (3), a flow velocity sensor (4), a second valve (5), a third valve (6), a second concentration sensor (7) and a third concentration sensor (8), wherein the controller (1) is respectively connected with the first concentration sensor (2), the first valve (3), the flow velocity sensor (4), the second valve (5), the third valve (6), the second concentration sensor (7) and the third concentration sensor (8) through electric signals; the first concentration sensor (2) is respectively connected with the first valve (3), the flow rate sensor (4), the second valve (5) and the third valve (6) through electric signals, the controller (1), the first concentration sensor (2), the first valve (3), the flow rate sensor (4), the second valve (5), the third valve (6), the second concentration sensor (7) and the third concentration sensor (8) are respectively connected with the power supply (11) through electric signals, the first concentration sensor (2) is arranged at a first air outlet (101) of the second processor, the first concentration sensor (2) controls the working state of the first valve (3), the second concentration sensor (7), the second valve (5) and the flow rate sensor (4) are respectively and sequentially arranged in a connecting pipeline between a first processor air outlet (93) and a second processor air inlet (103), the third concentration sensor (8) is arranged at the second inlet (92) of the first processor, and the third valve (6) is arranged in a connecting pipeline between the second outlet (102) of the second processor and the first inlet (91) of the first processor.
CN202120483794.7U 2021-03-05 2021-03-05 Waste gas concentration on-line monitoring device Active CN214972964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120483794.7U CN214972964U (en) 2021-03-05 2021-03-05 Waste gas concentration on-line monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120483794.7U CN214972964U (en) 2021-03-05 2021-03-05 Waste gas concentration on-line monitoring device

Publications (1)

Publication Number Publication Date
CN214972964U true CN214972964U (en) 2021-12-03

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ID=79155129

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Application Number Title Priority Date Filing Date
CN202120483794.7U Active CN214972964U (en) 2021-03-05 2021-03-05 Waste gas concentration on-line monitoring device

Country Status (1)

Country Link
CN (1) CN214972964U (en)

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