CN113109522A - Multifunctional large-flow smoke intelligent detection system - Google Patents
Multifunctional large-flow smoke intelligent detection system Download PDFInfo
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- CN113109522A CN113109522A CN202110516625.3A CN202110516625A CN113109522A CN 113109522 A CN113109522 A CN 113109522A CN 202110516625 A CN202110516625 A CN 202110516625A CN 113109522 A CN113109522 A CN 113109522A
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- 238000001514 detection method Methods 0.000 title claims abstract description 85
- 239000000779 smoke Substances 0.000 title claims description 50
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000003546 flue gas Substances 0.000 claims abstract description 100
- 238000005070 sampling Methods 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims description 51
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 13
- 231100000719 pollutant Toxicity 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 6
- 238000004868 gas analysis Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0037—NOx
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0042—SO2 or SO3
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
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Abstract
The application discloses multi-functional large-traffic flue gas intellectual detection system, including multi-functional sampling rifle, intelligent gaseous diverging device and flue gas analysis appearance, multi-functional sampling rifle with intelligent gaseous diverging device's flue gas access connection, intelligent gaseous diverging device's flue gas export with flue gas analysis appearance's flue gas access connection, a plurality of air chambers have in the intelligent gaseous diverging device, every corresponding electric control switch is all installed to the air chamber, all electric control switch all is connected to controlling means, controlling means is used for according to user command control electric control switch is according to the switching of order or switching simultaneously in order to realize that the flue gas detects simultaneously or the flue gas is patrolled and is detected. Above-mentioned multi-functional large-traffic flue gas intelligent detection system can solve current flue gas pollutant's detection numerical value inaccuracy, testing process complicacy, detect that time is long and detect with high costs problem.
Description
Technical Field
The invention belongs to the technical field of smoke detection, and particularly relates to a multifunctional large-flow smoke intelligent detection system.
Background
Along with the development and progress of the society, the environmental protection attention degree of the nation and people is higher and higher, the ultra-low emission standard is executed in the thermal power industry at first, the emission amount of smoke pollutants is reduced, and therefore a more efficient detection means and a more intelligent detection system are needed.
The existing detection means of the smoke pollutants comprise automatic detection and manual detection, wherein the automatic detection means that a sampling device is arranged in a measuring point and is connected with a smoke analyzer, and a control system is used for executing a test. The manual detection refers to that field detection personnel connect the flue gas sampling gun with the flue gas analyzer, and the flue gas sampling gun performs grid method sampling detection at different measuring points and different depth positions of the flue. Taking a denitration outlet section of a 600MW coal-fired unit as an example, one section generally comprises 12 to 24 measuring points, each measuring point needs to detect 3 to 5 depths, the total time consumption is about 2 to 3 hours, and the denitration device has the defects of low automation degree, high labor cost, high working strength of field detection personnel, potential safety hazards, poor normalization of a detection link and no guiding significance for detection data if the load of the unit fluctuates.
Disclosure of Invention
In order to solve the problems, the invention provides a multifunctional large-flow intelligent detection system for flue gas, which can solve the problems of inaccurate detection value, complex detection process, long detection time and high detection cost of the existing flue gas pollutants.
The invention provides a multifunctional large-flow smoke intelligent detection system which comprises a multifunctional sampling gun, an intelligent gas flow dividing device and a smoke analyzer, wherein the multifunctional sampling gun is connected with a smoke inlet of the intelligent gas flow dividing device, a smoke outlet of the intelligent gas flow dividing device is connected with a smoke inlet of the smoke analyzer, a plurality of gas chambers are arranged in the intelligent gas flow dividing device, each gas chamber is provided with a corresponding electric control switch, all the electric control switches are connected to a control device, and the control device is used for controlling the electric control switches to be opened and closed sequentially or simultaneously according to a user instruction so as to realize smoke simultaneous detection or smoke itinerant detection.
Preferably, in the above-mentioned multifunctional large-flow flue gas intelligent detection system, the multifunctional sampling gun includes a plurality of flue gas sampling guns, and each of the flue gas sampling guns is fixed together by a gun head and a hinge and a retaining ring at a gun tail.
Preferably, in the above-mentioned multifunctional large-flow smoke intelligent detection system, a filter is installed at an end of the smoke sampling gun.
Preferably, in the above multifunctional intelligent detection system for large flow rate of flue gas, the filter is connected with the flue gas sampling gun through threads, and filter cotton is installed in the filter.
Preferably, in the above-mentioned multifunctional large-flow intelligent detection system for flue gas, the intelligent gas diversion device includes a filter connected to a flue gas inlet of the intelligent gas diversion device, and a buffer bottle and a dryer sequentially connected to the filter.
Preferably, in the multifunctional large-flow intelligent detection system for flue gas, the other end of the dryer is further sequentially connected with a pressure gauge, a thermometer and a flowmeter.
Preferably, in the above multifunctional intelligent detection system for large flow rate of flue gas, the other end of the flow meter is further connected to an air pump, and the other end of the air pump is connected to the flue gas outlet of the intelligent gas diversion device.
Preferably, in the above multifunctional large-flow intelligent detection system for flue gas, the flue gas analyzer is a flue gas analyzer capable of detecting oxygen content, sulfur dioxide, nitrogen oxide, carbon monoxide and carbon dioxide.
Preferably, in the above multifunctional large-flow intelligent detection system for flue gas, the flue gas analyzer further has a first control interface and an output interface, the intelligent gas diversion device further has a second control interface, and the first control interface, the output interface and the second control interface are all used for being connected to an operation control system, and are used for converting a detection value into an electric signal and transmitting the electric signal to the operation control system.
Preferably, in the above multifunctional large-flow intelligent detection system for flue gas, the operation control system is a DCS system.
As can be seen from the above description, the multifunctional large-flow intelligent detection system for flue gas provided by the invention comprises a multifunctional sampling gun, an intelligent gas flow-dividing device and a flue gas analyzer, wherein the multifunctional sampling gun is connected with a flue gas inlet of the intelligent gas flow-dividing device, a flue gas outlet of the intelligent gas flow-dividing device is connected with a flue gas inlet of the flue gas analyzer, a plurality of gas chambers are arranged in the intelligent gas flow-dividing device, each gas chamber is provided with a corresponding electric control switch, all the electric control switches are connected to a control device, and the control device is used for controlling the electric control switches to be sequentially opened and closed or simultaneously opened and closed according to a user instruction so as to realize simultaneous detection or cyclic detection of flue gas, so that simultaneous detection or cyclic detection of various pollutants can be flexibly performed, and therefore, the problem that the detection value of the existing flue gas pollutants is inaccurate, The detection process is complex, the detection time is long and the detection cost is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a multifunctional large-flow intelligent detection system for flue gas provided by the present invention;
FIG. 2 is a schematic view of the internal structure of the intelligent gas flow divider;
FIG. 3 is a cross-sectional view of a combined flue gas sampling gun;
fig. 4 is a longitudinal cross-sectional view of a sampling gun.
Detailed Description
The core of the invention is to provide a multifunctional large-flow smoke intelligent detection system which can solve the problems of inaccurate detection value, complex detection process, long detection time and high detection cost of the existing smoke pollutants.
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of a multifunctional large-flow intelligent detection system for flue gas provided by the invention is shown in fig. 1, fig. 1 is a schematic diagram of an embodiment of the multifunctional large-flow intelligent detection system for flue gas provided by the invention, the system includes a multifunctional sampling gun 1, an intelligent gas flow-splitting device 2 and a flue gas analyzer 3, the multifunctional sampling gun 1 is connected with a flue gas inlet 201 of the intelligent gas flow-splitting device 2, a flue gas outlet 202 of the intelligent gas flow-splitting device 2 is connected with a flue gas inlet 301 of the flue gas analyzer 3, referring to fig. 2, fig. 2 is a schematic diagram of an internal configuration of the intelligent gas flow-splitting device, the intelligent gas flow-splitting device 2 has a plurality of gas chambers therein, the number of the gas chambers may be, but is not limited to 15, and can be selected according to actual needs, each gas chamber is equipped with a corresponding electronic control switch 203, all the electronic control switches 203 are, the control device may include a touch screen disposed on the surface of the intelligent gas diversion device, for example, fig. 1 may have five buttons of "set", "power", "return", "Reset", and "OK", and the control device is configured to control the electronic control switches 203 to open and close sequentially or simultaneously according to a user instruction to implement smoke simultaneous detection or smoke circulation detection, specifically, the touch screen may be used to receive a user command to open or close each electronic control switch.
It should be noted that, during field test, each electronic control switch may be controlled to be turned on or turned off in a certain sequence through built-in logic, and after the control system is accessed, an operator may manually or automatically control each electronic control switch through the control system. Wherein, "survey simultaneously" means that all electric control switches open simultaneously, and the flue gas analyzer detects the pollutant concentration in the mixed flue gas that gathers in all flue gas pipelines, and this average value of this horizontal cross section pollutant total amount of reaction that can be fine like this, and it is in order to survey the average value to brief on, survey simultaneously. When the function of simultaneous measurement is executed, the specific implementation steps are as follows: (1) combining a plurality of sampling guns, a sampling gun filter and filter cotton into a multifunctional sampling gun 1 through hinges and retaining rings, arranging the multifunctional sampling gun 1 in a measuring point, connecting the multifunctional sampling gun 1 with a flue gas inlet of an intelligent gas diversion device 2, and connecting a flue gas outlet of the intelligent gas diversion device 2 with a flue gas inlet of a flue gas analyzer 3; (2) when in-situ test is carried out, an operation key on the intelligent gas distribution device 2 is clicked, built-in logic in the intelligent gas distribution device 2 is used, all the electric control switches 203 are turned on, and the test is started; (3) when the control interface 211 of the intelligent gas distribution device 2, the control interface 302 of the flue gas analyzer 3 and the output interface 303 of the flue gas analyzer 3 are connected to the DCS system, the step (2) is changed, an operator clicks a corresponding operation key, the DCS system turns on all the electric control switches to start testing, and the output interface of the flue gas analyzer 3 can convert the detection value into an electric signal and transmit the electric signal to the DCS system and feed the electric signal back to the operator.
"survey" refers to that each electric control switch opens in proper order, and gas analysis appearance 3 detects the gas in every flue gas pipeline in proper order, can observe the pollutant concentration condition in the flue gas of the position that each sampling rifle corresponds like this. When the patrol function is executed, the specific implementation steps are as follows: (1) combining a plurality of sampling guns, a sampling gun filter and filter cotton into a multifunctional sampling gun 1 through hinges and retaining rings, arranging the multifunctional sampling gun 1 in a measuring point, connecting the multifunctional sampling gun 1 with a flue gas inlet of an intelligent gas diversion device 2, and connecting a flue gas outlet of the intelligent gas diversion device 2 with a flue gas inlet of a flue gas analyzer 3; (2) when in-situ test is carried out, an operation button on the intelligent gas distribution device 2 is clicked, built-in logic in the intelligent gas distribution device 2 is used for sequentially switching on and switching off the electric control switches according to a certain sequence, and the test is started; (3) when the control interface 211 of the intelligent gas diversion device 2, the control interface 302 of the flue gas analyzer 3, and the output interface 303 of the flue gas analyzer 3 are connected to the DCS system, the step (2) is changed. The operating personnel clicks corresponding operation keys, the DCS system sequentially switches on and off the electric control switch 203 according to a certain sequence, the test is started, and the output interface of the flue gas analyzer 3 can convert the detection value into an electric signal, transmit the electric signal into the DCS system and feed the electric signal back to the operating personnel.
As can be seen from the above description, in the embodiment of the above multifunctional large-flow intelligent detection system for flue gas provided by the present invention, because the system includes the multifunctional sampling gun, the intelligent gas diversion device and the flue gas analyzer, the multifunctional sampling gun is connected to the flue gas inlet of the intelligent gas diversion device, the flue gas outlet of the intelligent gas diversion device is connected to the flue gas inlet of the flue gas analyzer, the intelligent gas diversion device has a plurality of gas chambers therein, each gas chamber is installed with a corresponding electric control switch, all the electric control switches are connected to the control device, and the control device is configured to control the electric control switches to be sequentially opened and closed or simultaneously opened and closed according to a user instruction to implement simultaneous detection or cyclic detection of flue gas, the system can flexibly perform simultaneous detection or cyclic detection of multiple pollutants, thereby solving the problems of inaccurate detection value, complex detection process, and the like of the existing, Long detection time and high detection cost.
In a specific embodiment of the above multifunctional large-flow smoke intelligent detection system, referring to fig. 3 and 4, fig. 3 is a cross-sectional view of a combined smoke sampling gun, fig. 4 is a longitudinal sectional view of a sampling gun, the multifunctional sampling gun 1 may include a plurality of smoke sampling guns 101, each smoke sampling gun 101 may be fixed together by hinges 102 and retaining rings 103 at a gun head and a gun tail, and a sampling gun holder 104, specifically, the length of the smoke sampling gun 101 has different parameters of 100cm, 200cm and 300cm, the inner diameter may be preferably 8mm, the wall thickness may be preferably 2mm, the inner diameter of the gun nozzle may be preferably 6mm, the length of the gun nozzle may be preferably 10cm, the gun tail and the sampling gun may be connected by a thread, the length of the thread may be preferably 5cm, and the material of the sampling gun may be preferably 316L stainless steel. Further, a filter 105 may be installed at an end of the smoke sampling gun, and a length of the filter 105 may preferably be 15 cm. Furthermore, the filter 105 can be connected to the smoke sampling gun 101 by a screw thread, and the filter 105 is provided with a filter cotton 106 for better filtering the smoke.
In another embodiment of the above-mentioned multifunctional high-flow smoke intelligent detection system, with continued reference to fig. 2, the intelligent gas diversion device 2 may include a filter 204 connected to the smoke inlet 201 of the intelligent gas diversion device 2, and a buffer bottle 205 and a dryer 206 connected to the filter 204 in sequence. It should be noted that, in the existing simultaneous measurement technology, the mixed flue gas is directly detected by the flue gas analyzer without passing through the filter, the buffer bottle, the dryer and the air pump, which has the disadvantages that the flue gas analyzer is damaged by the impurity, ash, moisture and the like in the flue gas, and the air extraction amount of the flue gas analyzer is not enough to support and extract multiple strands of flue gas amounts. Further, the other end of the dryer 206 may be connected with a pressure gauge 207, a temperature gauge 208 and a flow meter 209 in sequence. Under the condition, the pressure, the temperature and the flow parameters of the flue gas can be monitored in real time, so that the control is more convenient. Furthermore, the other end of the flow meter 209 may be further connected to a suction pump 210, and the other end of the suction pump 210 is connected to the smoke outlet 202 of the intelligent gas diversion device 2, so that the smoke can flow faster by using the suction pump, thereby improving the detection efficiency.
In another specific embodiment of the above multifunctional large-flow intelligent detection system for flue gas, the flue gas analyzer may be a flue gas analyzer capable of detecting oxygen content, sulfur dioxide, nitrogen oxide, carbon monoxide, and carbon dioxide, which may be arbitrarily selected according to the requirement, and is not limited herein, that is, when a certain component in the flue gas needs to be detected, a corresponding sensor for testing the component may be provided.
In a preferred embodiment of the above multifunctional large-flow intelligent detection system for flue gas, the flue gas analyzer 1 further has a first control interface and an output interface, the intelligent gas diversion device further has a second control interface, and the first control interface, the output interface and the second control interface can be used for being connected to an operation control system, and are used for converting a detection value into an electric signal and transmitting the electric signal to the operation control system, and further, the operation control system can be but is not limited to a DCS system. That is to say, the above-mentioned multi-functional large-traffic flue gas intelligent detection system can not only carry out the witnessed inspections, can also insert the DCS system to transmit data to the DCS system and carry out corresponding control, utilize this system detectable multiple flue gas pollutant, including but not limited to sulfur dioxide, nitrogen oxide, oxygen volume, carbon monoxide and carbon dioxide etc. in the flue gas. In addition, the installation position of the system is flexible, and the system can comprise flue sections of a denitration inlet, a denitration outlet, a dust remover inlet, a dust remover outlet, a desulfurization tower inlet, a desulfurization tower outlet, a chimney main path, a chimney bypass and the like, and can be applied to various flue gas pollution sources, including but not limited to coal-fired power plants, biomass power plants, garbage power plants, sludge co-combustion power plants, steel plants, aluminum plants, cement plants, chemical plants and the like.
To sum up, the automation and the intelligent degree of above-mentioned system are higher, and the concentration of the multiple pollutant in the detection flue gas that can be accurate fast.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a multi-functional large-traffic flue gas intellectual detection system, a serial communication port, including multi-functional sampling rifle, the gaseous diverging device of intelligence and flue gas analyzer, multi-functional sampling rifle with the flue gas entry linkage of the gaseous diverging device of intelligence, the flue gas export of the gaseous diverging device of intelligence with flue gas analyzer's flue gas entry linkage, a plurality of air chambers have in the gaseous diverging device of intelligence, every corresponding electric control switch is all installed to the air chamber, all electric control switch all is connected to controlling means, controlling means is used for according to user command control electric control switch is according to the switching of order or switching simultaneously in order to realize that the flue gas detects simultaneously or the flue gas is patrolled and is detected.
2. The multifunctional high-flow intelligent smoke detection system according to claim 1, wherein the multifunctional sampling guns comprise a plurality of smoke sampling guns, and the smoke sampling guns are fixed together through hinges and retaining rings at the gun heads and the gun tails.
3. The multifunctional large-flow intelligent smoke detection system according to claim 2, wherein a filter is installed at the end of the smoke sampling gun.
4. The multifunctional large-flow intelligent smoke detection system according to claim 3, wherein the filter is connected with the smoke sampling gun through threads, and filter cotton is installed in the filter.
5. The multifunctional high-flow intelligent smoke detection system according to claim 1, wherein the intelligent gas flow dividing device comprises a filter connected with a smoke inlet of the intelligent gas flow dividing device, and a buffer bottle and a dryer sequentially connected with the filter.
6. The multifunctional large-flow intelligent smoke detection system according to claim 5, wherein the other end of the dryer is further connected with a pressure gauge, a thermometer and a flowmeter in sequence.
7. The multifunctional high-flow intelligent smoke detection system according to claim 6, wherein the other end of the flow meter is further connected with a suction pump, and the other end of the suction pump is connected to a smoke outlet of the intelligent gas diversion device.
8. The multifunctional high-flow intelligent smoke detection system according to any one of claims 1-7, wherein the smoke analyzer is a smoke analyzer capable of detecting oxygen content, sulfur dioxide, nitrogen oxides, carbon monoxide and carbon dioxide.
9. The multifunctional large-flow intelligent smoke detection system according to any one of claims 1-7, wherein the smoke analyzer further comprises a first control interface and an output interface, the intelligent gas diversion device further comprises a second control interface, and the first control interface, the output interface and the second control interface are all used for being connected to an operation control system and converting a detection value into an electric signal to be transmitted to the operation control system.
10. The system of claim 9, wherein the operation control system is a DCS system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516625.3A CN113109522A (en) | 2021-05-12 | 2021-05-12 | Multifunctional large-flow smoke intelligent detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110516625.3A CN113109522A (en) | 2021-05-12 | 2021-05-12 | Multifunctional large-flow smoke intelligent detection system |
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| Publication Number | Publication Date |
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| CN113109522A true CN113109522A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110516625.3A Pending CN113109522A (en) | 2021-05-12 | 2021-05-12 | Multifunctional large-flow smoke intelligent detection system |
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| CN116973555A (en) * | 2023-08-30 | 2023-10-31 | Khd洪堡威达克机械设备(北京)有限公司 | Detection device and detection method for nitrogen oxides generated by cement raw materials |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116973555A (en) * | 2023-08-30 | 2023-10-31 | Khd洪堡威达克机械设备(北京)有限公司 | Detection device and detection method for nitrogen oxides generated by cement raw materials |
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