CN107037082A - A kind of acid dew point detection means and method - Google Patents
A kind of acid dew point detection means and method Download PDFInfo
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- CN107037082A CN107037082A CN201710421435.7A CN201710421435A CN107037082A CN 107037082 A CN107037082 A CN 107037082A CN 201710421435 A CN201710421435 A CN 201710421435A CN 107037082 A CN107037082 A CN 107037082A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
- G01N25/66—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point
- G01N25/68—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point by varying the temperature of a condensing surface
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Abstract
The invention provides a kind of acid dew point detection means and method, wherein, the acid dew point detection means includes：Probe, control circuit, temperature equipment and cleaning equipment；Probe is placed in industrial kiln gas；Probe, for detecting the temperature value of industrial kiln gas in real time, the temperature value and the current value by probe of itself of popping one's head in, and by the temperature value of the industrial kiln gas detected in real time, pop one's head in itself temperature value and transmit to the control circuit by the current value of probe；Control circuit, temperature value, temperature value, the current value by probe and the probe of itself of popping one's head in for the industrial kiln gas according to probe real-time Transmission whether there is the probe electric current produced because contaminated, it is determined that the acid dew-point temperature value of industrial kiln gas, and when confirming that probe is contaminated, by controlling temperature equipment and cleaning equipment to carry out cooling cleaning to probe；Cleaning equipment, the control for receiving control circuit is cleaned to probe.
Description
Technical field
The present invention relates to industrial smoke acid dew point detection technique field, in particular to a kind of acid dew point detection means
And method.
Background technology
The fuel such as coal, weight oil and gas that Industrial Boiler is used all contain sulphur, in combustion sulphur and oxygen reaction life
Into sulfur dioxide.At a certain temperature, the excess oxygen in flue gas is changed with a small amount of sulfur dioxide in the presence of catalyst
Into sulfur trioxide.Sulfur trioxide and appropriate vapor reaction generation dilute sulfuric acid steam, and flue gas waste heat recovery can be condensed in set
It is standby upper, the equipment such as air heat retrieving apparatus, air-introduced machine and chimney is produced dew point corrosion and blocking.Can so increase plant maintenance into
This, may cause system shutdown influence production when serious.
In order to avoid acid dew piont corrosion, the exhaust temperature of industrial smoke can be typically caused to be more than its acid dew point, it is to avoid to work
The acid dew piont corrosion that industry equipment is caused, in addition, in order to avoid energy waste and in view of the desulfuration efficiency in industrial smoke, work
The exhaust temperature of industry flue gas can not be too high, be to sum up accomplished by so that the exhaust temperature of industrial smoke be controlled in one it is appropriate
Scope.
Further, since the factor of influence industrial furnace smoke evacuation acid dew-point temperature change is a lot, acid dew-point temperature is caused often to become
Change, therefore, the necessary acid dew point to industrial kiln gas is persistently detected, but acid dew point detector of the prior art
In the detection process to industrial kiln gas, detection probe may be contaminated, it is impossible in acid dew point detection is proceeded
Use.
The content of the invention
In view of this, it is an object of the invention to provide a kind of acid dew point detection means and method, in order to detect
Contaminated detection probe can be cleaned in journey automatically, so that acid dew point detection means persistently can be revealed to the acid of industrial kiln gas
Point temperature value is detected.
In a first aspect, the embodiments of the invention provide a kind of acid dew point detection means, including：Probe, control circuit, temperature adjustment
Equipment and cleaning equipment；The control circuit is electrically connected with the probe, the temperature equipment and the cleaning equipment respectively；
The probe is placed in industrial kiln gas；
The probe, for detect in real time the temperature value of industrial kiln gas, pop one's head in itself temperature value and by probe
Current value, and by the temperature value of the industrial kiln gas detected in real time, pop one's head in itself temperature value and by probe electricity
Value. transfer is to the control circuit；
The control circuit, temperature value, the probe for the industrial kiln gas according to the probe real-time Transmission are certainly
The temperature value of body, the current value by the probe and the probe whether there is the probe electric current produced because contaminated,
The acid dew-point temperature value of the industrial kiln gas is determined, and when confirming that the probe is contaminated, by controlling the temperature adjustment
Equipment and the cleaning equipment carry out cooling cleaning to the probe to eliminate the probe electricity that the probe is produced because contaminated
Stream；
The cleaning equipment, the control for receiving the control circuit is cleaned to eliminate the spy to the probe
The probe circuit that head is produced because contaminated.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, the spy
Head includes:Detection faces, conductance measurement device, the first temperature sensor and second temperature sensor；The detection faces include first
Minute surface and the second contact minute surface are contacted, the conductance measurement device and first temperature sensor are arranged at first contact
At the diverse location of minute surface, and electrically connected with the control circuit；The second temperature sensor is placed in the industrial furnace cigarette
In gas, and electrically connected with the control circuit；
First temperature sensor, for detecting that first contacts the temperature value of minute surface in real time, and described first is contacted
The temperature value real-time Transmission of minute surface is to the control circuit；
The second temperature sensor, the temperature value for detecting the industrial kiln gas in real time, and by the industrial furnace
The temperature value real-time Transmission of flue gas is to the control circuit；
The conductance measurement device, contacts the current value of minute surface, and will pass through institute for detecting in real time by described first
The current value real-time Transmission of the first contact minute surface is stated to the control circuit；
The control circuit, specifically for when first contact lense for determining the first temperature sensor real-time Transmission
When the temperature value in face is equal to the temperature value of the industrial kiln gas of the second temperature sensor real-time Transmission, described adjust is controlled
Warm equipment cools to the described second contact minute surface, when receiving the current value more than 0 first in temperature-fall period, records institute
Current first temperature value of the first contact minute surface is stated, stops cooling to the described second contact minute surface afterwards, when by described
When the current value of first contact minute surface is 0, the current second temperature value of the first contact minute surface is recorded；By described current first
Temperature value and the average value of the current second temperature value are designated as the acid dew-point temperature value of the industrial kiln gas.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect
Possible embodiment, the cleaning equipment includes atomization wind control valve group, rinse water control valve group, atomizing mixer and spray
Head；The atomization wind control valve group and the rinse water control valve group respectively control circuit and the atomizing mixer with described
Connection, the atomizing mixer is connected with the shower nozzle, and the jet face of the shower nozzle is directed at the first contact lense of the detection faces
Face；
The control circuit, specifically for controlling the temperature equipment to cool the described second contact minute surface,
When receiving the current value more than 0 in temperature-fall period first, current first temperature value of the first contact minute surface is recorded, afterwards
Stop cooling to the described second contact minute surface, when the temperature value for contacting minute surface by described first is more than described current first
After temperature value, when being consistently greater than 0 by the current value of the described first contact minute surface, determine that the first contact minute surface is contaminated；
The temperature equipment is controlled to cool the described second contact minute surface；The atomization wind control valve group is controlled after cooling by mist
Change compressed air to input inside the atomizing mixer, and control the rinse water control valve group to input rinse water to described
Inside atomizing mixer, the atomizing mixer is controlled to lead to by the atomization wind control valve group and the rinse water control valve group
Cross the shower nozzle internal water atomization is sprayed into the first contact minute surface and cleaned.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect
Possible embodiment, the temperature equipment includes：Probe temperature adjuster and cooling wind regulation valve group；The probe temperature
Adjuster connects the control circuit and cooling wind regulation valve group respectively；
The probe temperature adjuster, for when receiving the control of the control circuit, by controlling the cooling
Wind adjusts valve group and blows a cold wind over to cool to the described second contact minute surface to the described second contact minute surface；
The control circuit, specifically for when first contact lense for determining the first temperature sensor real-time Transmission
When the temperature value in face is equal to the temperature value of the industrial kiln gas of the second temperature sensor real-time Transmission, described visit is controlled
Head thermoregulator work.
With reference to the third possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind
Possible embodiment, the control circuit includes：Processor and logic controller；The processor connects the conductance respectively
Measurement device, first temperature sensor, the second temperature sensor and the logic controller, the logic control
Device connects the probe temperature adjuster；
The processor, for when the temperature for the first contact minute surface for determining the first temperature sensor real-time Transmission
When angle value is equal to the temperature value of the industrial kiln gas of the second temperature sensor real-time Transmission, to the logic controller
Send the first control instruction；
The logic controller, for described in the control when receiving first control instruction that the processor is sent
Probe temperature adjuster, is contacted with will pass through the probe temperature adjuster control cooling wind regulation valve group to described second
Minute surface is cooled.
Second aspect, the embodiment of the present invention provides a kind of acid dew point detection method, and methods described includes：
Control the temperature value, the temperature value of probe and process probe of the industrial kiln gas of circuit receiving transducer real-time Transmission
Current value；
According to the temperature value of the industrial kiln gas of the probe real-time Transmission, the temperature value of probe, by the probe
Current value and the probe whether there is the probe electric current produced because contaminated, determine the acid dew point of the industrial kiln gas
Temperature value；
When confirming that the probe is contaminated, by controlling temperature equipment and cleaning equipment to cool clearly the probe progress
Wash to eliminate the probe electric current that the probe is produced because contaminated.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, the control
Temperature value, the temperature value of probe and the current value by probe of the industrial kiln gas of circuit receiving transducer real-time Transmission processed,
Including：
Receive the first contact of the first temperature sensor real-time Transmission being placed on the first contact minute surface of probe detection faces
The temperature value of minute surface；
Receive the temperature value of the industrial kiln gas for the second temperature sensor real-time Transmission being placed in industrial kiln gas；
Receive the process that detects in real time of conductance measurement device being placed on the first contact minute surface of probe detection faces described the
The current value of one contact minute surface.
With reference to the first possible embodiment of second aspect, the embodiments of the invention provide second of second aspect
Possible embodiment, the temperature value of the industrial kiln gas according to the probe real-time Transmission, the probe temperature of itself
Angle value, the current value by the probe and the probe whether there is the probe electric current produced because contaminated, determine institute
The acid dew-point temperature value of industrial kiln gas is stated, including：
When it is determined that the temperature value of the first contact minute surface of the first temperature sensor real-time Transmission is equal to described the
During the temperature value of the industrial kiln gas of two temperature sensor real-time Transmissions, the temperature equipment is controlled to the second contact minute surface
Cooled；
When receiving the current value more than 0 first in temperature-fall period, current the first of the first contact minute surface is recorded
Temperature value, stops cooling to the described second contact minute surface afterwards, when the current value that minute surface is contacted by described first is 0
When, record the current second temperature value of the first contact minute surface；
The average value of current first temperature value and the current second temperature value is designated as the industrial kiln gas
Acid dew-point temperature value.
With reference to second of possible embodiment of second aspect, the embodiments of the invention provide the third of second aspect
Possible embodiment, it is described when confirming that the probe is contaminated, by controlling the temperature equipment and the cleaning equipment
Cooling cleaning is carried out to the probe to eliminate the probe electric current that the probe is produced because contaminated, including：
Controlling the temperature equipment to cool the described second contact minute surface, received first in temperature-fall period big
When 0 current value, current first temperature value of the first contact minute surface is recorded, is stopped afterwards to the described second contact minute surface
Cooled, after current first temperature value is more than by the temperature value of the described first contact minute surface, by described first
When the current value of contact minute surface is consistently greater than 0, determine that the first contact minute surface is contaminated；
The temperature equipment is controlled to cool the described second contact minute surface；
After the described second contact minute surface cooling, control atomization wind control valve group will be atomized compressed air input atomization mixing
Inside device, and control rinse water control valve group inputs rinse water to the atomizing mixer, passes through the atomization wind
It is described that control valve group and the rinse water control valve group control the atomizing mixer to spray to internal water atomization by shower nozzle
First contact minute surface is cleaned.
With reference to the third possible embodiment of second aspect, the embodiments of the invention provide the 4th of second aspect kind
Possible embodiment, the control temperature equipment cools to the described second contact minute surface, including:
Control probe temperature adjuster so that the probe temperature adjuster control cooling wind adjusts valve group to described second
Contact lense minute surface blows a cold wind over to cool to the described second contact minute surface.
Acid dew point detection means provided in an embodiment of the present invention, compared with the prior art, which increases cleaning device, and
Control circuit detection probe is contaminated can not continue the acid dew-point temperature value for detecting industrial kiln gas when, control cleaning device pair
Probe is cleaned, and the detection means can continue the acid dew-point temperature value of the industrial kiln gas of automatic detection.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 shows the structural representation for the acid dew point detection means that the embodiment of the present invention is provided；
Fig. 2 shows the first structural representation for the acid dew point detection means that the embodiment of the present invention is provided；
Fig. 3 shows second of structural representation of the acid dew point detection means that the embodiment of the present invention is provided；
Fig. 4 shows the third structural representation for the acid dew point detection means that the embodiment of the present invention is provided；
Fig. 5 shows the 4th kind of structural representation of the acid dew point detection means that the embodiment of the present invention is provided；
Fig. 6 shows a kind of flow chart for acid dew point detection method that the embodiment of the present invention is provided.
Icon：101- pops one's head in；102- controls circuit；103- temperature equipments；104- cleaning equipments；1011- detection faces；
1012- conductance measurement devices；The temperature sensors of 1013- first；1014- second temperature sensors；10111- first contacts minute surface；
10112- second contacts minute surface；401- is atomized wind control valve group；402- rinse water control valve groups；403- atomizing mixers；404-
Shower nozzle；301- probe temperature adjusters；302- cooling wind regulation valve groups；201- processors；202- logic controllers.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Middle accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
It is a part of embodiment of the invention, rather than whole embodiments.The present invention being generally described and illustrated herein in the accompanying drawings is real
Applying the component of example can be arranged and be designed with a variety of configurations.Therefore, it is of the invention to what is provided in the accompanying drawings below
The detailed description of embodiment is not intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention
Apply example.Based on embodiments of the invention, the institute that those skilled in the art are obtained on the premise of creative work is not made
There is other embodiment, belong to the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention 1 provides a kind of acid dew point detection means, as shown in figure 1, including probe 101, control circuit
102nd, temperature equipment 103 and cleaning equipment 104；Control circuit 102 respectively with probe 101, temperature equipment 103 and cleaning equipment
104 electrical connections；Probe 101 is placed in industrial kiln gas.
Probe 101, for the real-time temperature value for detecting industrial kiln gas, the temperature value of probe 101 itself and by spy
First 101 current value, and by the temperature value of the industrial kiln gas detected in real time, probe 101 itself temperature value and process
The current value of probe 101 is transmitted to control circuit 102.
Circuit 102 is controlled, the temperature value, probe 101 itself for the industrial kiln gas according to 101 real-time Transmissions of probe
Temperature value, the current value by probe 101 and probe 101 whether there is the probe electric current produced because contaminated, determine work
The acid dew-point temperature value of industry kiln gas, and when confirming that probe 101 is contaminated, by controlling temperature equipment 103 and cleaning to set
Standby 104 pairs of probes 101 carry out cooling cleaning to eliminate the probe electric current that probe 101 is produced because contaminated.
Cleaning equipment 104, for receive control circuit 102 control to probe 101 cleaned with eliminate pop one's head in 101 because
The probe electric current for being contaminated and producing.
During the acid dew point detection means use, probe 101 is positioned in industrial kiln gas, because industrial furnace cigarette
The temperature of gas is higher, when probe 101 is placed in industrial kiln gas, because heat transfer will soon be warming up to equal to industrial kiln gas
Temperature.
When the temperature value of probe is equal to the temperature value of industrial kiln gas, detecting head surface is not in the cold of industrial kiln gas
But liquid, now, cooling processing is carried out to probe so that the temperature reduction of probe, when industrial kiln gas precooling is in detecting head surface
When forming liquid, detecting head surface can form electric current, can be by under thermograph now, and ideally, this temperature value is just
It is the acid dew-point temperature value of industrial kiln gas.But, from determining that detecting head surface liquid formation electric current occurs to recording the temperature
Value, can be delayed for some time, in order to eliminate error, can be after stopping cooling to probe, and continuing detection probe surface is
It is no to there is electric current, when electric current is 0, another temperature value is recorded again, the average value of two temperature values of record is taken as work
The acid dew-point temperature value of industry kiln gas.
Certainly, when detecting head surface because when polluting, can also form electric current, such as when carrying out cooling processing to probe, spy
Head surface forms liquid and electric current occurs, stops after cooling to probe, the electric current of detecting head surface is consistently greater than 0, then illustrates
Detecting head surface is contaminated to form probe electric current, then controls circuit to need control temperature equipment and cleaning equipment to drop probe
Temperature cleaning.
A kind of better embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, as shown in Fig. 2 probe 101 is wrapped
Include：Detection faces 1011, conductance measurement device 1012, the first temperature sensor 1013 and second temperature sensor 1014；Wherein, examine
Survey face 1011 includes the first contact contact minute surface 10112 of minute surface 10111 and second, and the temperature of conductance measurement device 1012 and first is passed
Sensor 1013 is arranged at the diverse location of the first contact minute surface 10111, and is electrically connected with control circuit 102；Second temperature
Sensor 1014 is placed in industrial kiln gas, and is electrically connected with control circuit 102.
First temperature sensor 1013, is contacted for detecting the first temperature value for contacting minute surface 10111 in real time, and by first
The temperature value real-time Transmission of minute surface 10111 extremely controls circuit 102.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, the first temperature sensor is by passing
The platinum Pt Rh sensor of system is changed into platinum sensor, and platinum sensor improves the resolving power of temperature survey, and temperature is become
Change more sensitive.
Second temperature sensor 1014, the temperature value for detecting industrial kiln gas in real time, and by the temperature of industrial kiln gas
Angle value real-time Transmission extremely controls circuit 102.
Conductance measurement device 1012, for detecting the current value by the first contact minute surface 10111 in real time, and will be by the
The current value real-time Transmission of one contact minute surface 10111 extremely controls circuit 102.
Circuit 102 is controlled, specifically for when the first contact minute surface for determining the real-time Transmission of the first temperature sensor 1013
When 10111 temperature value is equal to the temperature value of the industrial kiln gas of the real-time Transmission of second temperature sensor 1014, control temperature adjustment is set
Standby 103 pair of second contact minute surface 10112 cools, when receiving the current value more than 0 first in temperature-fall period, records the
Current first temperature value of one contact minute surface 10111, stops cooling to the second contact minute surface 10112 afterwards, when passing through the
When the current value of one contact minute surface 10111 is 0, record first contacts the current second temperature value of minute surface 10111；By current first
Temperature value and the average value of current second temperature value are designated as the acid dew-point temperature value of industrial kiln gas.
The detection faces 1011 of probe 101 include two contact minute surfaces, and the respectively first contact minute surface 10111 and second is contacted
Minute surface 10112, the first contact minute surface 10111 in industrial kiln gas, connects when acid dew point detection means works first
Touch and first temperature sensor 1013 and conductance measurement device 1012 are installed on minute surface 10111, first temperature sensor 1013
The temperature value of the first contact minute surface 10111 can be detected, conductance measurement device 1012, which is worked as, to be detected on the first contact minute surface 10111
When there is conducting liquid, current value can be produced, and the current value is real-time transmitted to control circuit 102.Second contact minute surface
10112, the cooling for receiving temperature equipment 103, so that the temperature reduction of whole detection faces 1011.
Second temperature sensor 1014 is electrically connected with control circuit 102, the temperature value of the industrial kiln gas of detection in real time, and will
The temperature value of the flue gas is real-time transmitted to control circuit 102.
When current value occurs in conductance measurement device 1012, illustrate to occur in that liquid, and work on the first contact minute surface 10111
Industry kiln gas is liquefied when running into the first contact minute surface 10111, i.e., the first contact minute surface 10111 now has reached industry
The acid dew-point temperature value of kiln gas.In specific detection method, because current value is transferred to control by conductance measurement device 1012
Circuit 102 processed, if current first temperature value of the now the first contact minute surface 10111 got is designated as by control circuit 102
The acid dew-point temperature value of industrial kiln gas, then can stop to because the delayed of time causes error in temperature equipment 103
After two contact minute surfaces 10112 cool, continue to detect the first electric current for contacting the surface of minute surface 10111 by conductance measurement device 1012
Value, when current value is 0, control circuit 102 records the current second temperature value of now the first contact minute surface 10111, takes current
First temperature value and the average value of current second temperature value as industrial kiln gas acid dew-point temperature value.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, detection faces surface also includes one
Individual protective cover, the protective cover in industrial kiln gas is just placed in and is not reaching to and work for the first contact minute surface in temperature
When industry kiln gas temperature is equal, protection first contacts minute surface and does not contact industrial kiln gas, prevents from being now contaminated.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, as shown in figure 3, cleaning equipment
104 include atomization wind control valve group 401, rinse water control valve group 402, atomizing mixer 403 and shower nozzle 404；It is atomized air control
Valve group 401 and rinse water control valve group 402 processed are connected with control circuit 102 and atomizing mixer 403 respectively, atomizing mixer
403 are connected with shower nozzle 404, the first contact minute surface 10111 of the jet face alignment detection faces 1011 of shower nozzle 404.
Circuit 102 is controlled, specifically for cooling in 103 pair of second contact minute surface 10112 of control temperature equipment, in drop
When receiving the electric current more than 0 during temperature first, record first contacts current first temperature value of minute surface 10111, Zhi Houting
Only the second contact minute surface 10112 is cooled, when the temperature value that minute surface 10111 is contacted by described first is current more than described
After first temperature value, when being consistently greater than 0 by the current value of the described first contact minute surface 10111, the first contact minute surface is determined
10111 are contaminated；103 pair of second contact minute surface 10112 of control temperature equipment cools；The control atomization air control system after cooling
Valve group 401 will be atomized inside compressed air input atomizing mixer 403, and control rinse water control valve group 402 by rinse water
Inside input to atomizing mixer 403, by being atomized wind control valve group 401 and the control atomization mixing of rinse water control valve group 402
Internal water atomization is sprayed to the first contact minute surface 10111 by shower nozzle 404 and cleaned by device 403.
After control circuit 102 stops controlling 103 pair of second contact minute surface 10112 of temperature equipment to cool down, the
One contact minute surface 10111 is under the heat transfer of industrial kiln gas, and temperature is risen quickly, in uphill process, the first contact
The liquid on the surface of minute surface 10111 can be evaporated with the rise of temperature, when liquid evaporating completely is fallen, the first contact minute surface
10111 Current Temperatures should be equal to current first temperature value, if the current temperature value of the first contact minute surface 10111 is more than currently
After first temperature value, the current value that conductance measurement device 1012 is detected is consistently greater than 0, then illustrates the first contact minute surface now
10111 are contaminated, and the current value that now conductance measurement device 1012 is detected turns into probe electric current in the present invention.
Wherein, after cooling is stopped to the second contact minute surface, the first contact minute surface is under the heat transfer of industrial kiln gas, temperature
Degree can gradually rise, after temperature is increased to equal to or more than current first temperature value, such as current first temperature value is 120
Degree, the Current Temperatures of the first contact minute surface are increased to 130 degree, now, if the first contact minute surface is not contaminated, by the
The current value of one contact minute surface should be 0, if being now more than 0 by the first current value for contacting minute surface, then illustrate that first connects
Minute surface is touched to be contaminated and generate electric current.
When cleaning is embodied, because the temperature on the first contact minute surface 10111 surface is higher, control circuit 102 can be first
After being cooled by 103 pair of second contact minute surface 10112 of temperature equipment so that the temperature on the first contact minute surface 10111 surface
After reduction, then 104 pair of first contact minute surface 10111 of cleaning equipment is controlled to clean.
Wherein, atomization compressed air and rinse water pass through atomization wind control valve group 401, rinse water control valve group by pipeline
402 are connected with atomizing mixer 403, and atomizing mixer 403 is connected by pipeline with shower nozzle 404.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, as shown in figure 4, temperature equipment
103 include：Probe temperature adjuster 301 and cooling wind regulation valve group 302；Probe temperature adjuster 301 connects control respectively
Circuit 102 and cooling wind regulation valve group 302.
Wherein, probe temperature adjuster 301, for when receiving the control of control circuit 102, by controlling cooling wind
Regulation valve group 302 blows a cold wind over to cool to the second contact minute surface 10112 to the second contact minute surface 10112.
Circuit 102 is controlled, specifically for when the first contact minute surface for determining the real-time Transmission of the first temperature sensor 1013
When 10111 temperature value is equal to the temperature value of the industrial kiln gas of the real-time Transmission of second temperature sensor 1014, control probe temperature
Degree adjuster 301 works.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, as shown in figure 5, control circuit
102 include：Processor 201 and logic controller 202；Processor 201 connects conductance measurement device 1012 respectively, and the first temperature is passed
Sensor 1013, second temperature sensor 1014 and logic controller 202, the connection probe temperature adjuster of logic controller 202
301。
Wherein, processor 201, for when the first contact minute surface for determining the real-time Transmission of the first temperature sensor 1013
When 10111 temperature value is equal to the temperature value of the industrial kiln gas of the real-time Transmission of second temperature sensor 1014, to logic control
Device 202 sends the first control instruction.
Logic controller 202, for the control probe temperature tune when receiving the first control instruction of the transmission of processor 201
Device 301 being saved, being carried out with will pass through the control cooling wind regulation 302 pair of second contact minute surface 10112 of valve group of probe temperature adjuster 301
Cooling.
In addition, logic controller is also attached with atomization wind control valve group and rinse water control valve group respectively, processor
When it is determined that the first contact minute surface probe electric current occurs because of pollution, clear instruction is sent to logic controller, logic controller connects
When receiving the clear instruction of processor transmission, while startup atomization wind control valve group and rinse water control valve group work simultaneously.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, control circuit also includes signal
Amplifier and A/D converter (analog signal/digital signal converter), the first temperature sensor, second temperature sensor and electricity
Lead measurement device to be connected with processor by signal amplifier and A/D converter respectively, signal amplifier is used for the first temperature
Sensor and the temperature value of second temperature sensor real-time Transmission are amplified, and by the current value of conductance measurement units test
It is amplified, the temperature value of real-time Transmission, current value are converted from analog into data signal, are easy to by A/D converter part
Processor is handled.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, control circuit also includes data
Memory, the data storage is connected with processor.
Wherein, data storage, current first temperature value and current second temperature value for storing processor record.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, the control circuit also includes upper
Position machine data communication interface, processor is connected by the host computer data communication interface with external equipment.
When processor detects the acid dew-point temperature value of industrial kiln gas, it can be connect by above-mentioned host computer data communication
Mouth transmits the acid dew-point temperature value detected to external equipment.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, acid dew point detection means is also wrapped
Print member is included, the print member is connected with processor, processor can be beaten acid dew-point temperature value by print member
Print output.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, acid dew point detection means is also wrapped
Man-machine dialogue interface is included, the man-machine dialogue interface is connected with processor, processor can connect one by the man-machine dialogue interface
Personal-machine conversational device, the man-machine dialogue equipment is easy to user's control acid dew point detection means.
A kind of preferably embodiment, in the technical scheme that the embodiment of the present invention 1 is proposed, the acid dew point detection means is also
Including power button, the power button be used for control the acid dew point detection means energization whether.
Embodiment 2
The embodiment of the present invention 2 provides a kind of acid dew point detection method, and the flow chart of this method is as shown in fig. 6, specific step
It is rapid as follows：
S600, controls temperature value, the temperature value and warp of probe of the industrial kiln gas of circuit receiving transducer real-time Transmission
Cross the current value of probe.
In step S600, including procedure below：
(1) receive the first temperature sensor real-time Transmission being placed on the first contact minute surface of probe detection faces first connects
Touch the temperature value of minute surface.
(2) temperature value of the industrial kiln gas for the second temperature sensor real-time Transmission being placed in industrial kiln gas is received.
(3) receive described in the process that the conductance measurement device being placed on the first contact minute surface of probe detection faces is detected in real time
The current value of first contact minute surface.
S601, according to the temperature value, the temperature value of probe, the electric current by probe of the industrial kiln gas of probe real-time Transmission
Value and probe whether there is the probe electric current produced because contaminated, it is determined that the acid dew-point temperature value of industrial kiln gas.
In step s 601, including procedure below：
(1) when it is determined that the temperature value of the first contact minute surface of the first temperature sensor real-time Transmission is sensed equal to second temperature
During the temperature value of the industrial kiln gas of device real-time Transmission, control temperature equipment cools to the second contact minute surface.
(2) when receiving the current value more than 0 first in temperature-fall period, record first contacts current first temperature of minute surface
Angle value, stops cooling to the second contact minute surface afterwards, when the current value that minute surface is contacted by first is 0, record first
Contact the current second temperature value of minute surface.
(3) average value of current first temperature value and current second temperature value is designated as to the acid dew-point temperature of industrial kiln gas
Value.
S602, when confirming that probe is contaminated, by controlling temperature equipment and cleaning equipment to carry out cooling cleaning to probe
To eliminate the probe electric current that probe is produced because contaminated.
In step S602, including procedure below：
(1) the second contact minute surface is cooled in control temperature equipment, received first more than 0 in temperature-fall period
During current value, record first contacts current first temperature value of minute surface, stops cooling to the second contact minute surface afterwards, works as warp
The temperature value for crossing the first contact minute surface is more than after current first temperature value, by the electric current of the described first contact minute surface
When value is consistently greater than 0, determine that the first contact minute surface is contaminated.
(2) control temperature equipment cools to the second contact minute surface.
In process (2), including：
Control probe temperature adjuster so that probe temperature adjuster control cooling wind adjusts valve group to the second contact lense mirror
Blow a cold wind over to cool to the second contact minute surface in face.
(3) after the second contact minute surface cooling, control atomization wind control valve group will be atomized compressed air input atomization mixing
Inside device, and control rinse water control valve group inputs rinse water to atomizing mixer, by being atomized wind control valve group
Control atomizing mixer that internal water atomization is sprayed into the first contact minute surface by shower nozzle with rinse water control valve group to be cleaned.
Here is that the course of work of acid dew point detection means is summarized：
Acid dew point detection means in the acid dew-point temperature value of the industrial kiln gas of detection, mainly experienced " cooling-detection-
The detection cycle of " cooling-detection-drying " is entered back into after the detection cycle or experience " cooling-cleaning-drying " of drying ".
Control circuit control temperature equipment proceeds by the basis for estimation of cooling to probe is：Probe temperature value of itself etc.
When the temperature value of industrial kiln gas.In detection process, if it is determined that probe then enters detection industrial furnace cigarette without contaminated
The acid dew-point temperature value process of gas, probe is dried afterwards.If judge probe because of the contaminated electric current in the presence of probe, first control
Temperature equipment and cleaning equipment processed are carried out after cooling cleaning to probe, when probe is dried to equal with industrial furnace flue-gas temperature,
Enter back into the detection cycle of " cooling-detection-drying ".
Acid dew point detection means can export the acid dew-point temperature value of the industrial kiln gas detected in real time, for user and
When take appropriate measures.
Understood based on above-mentioned analysis, it is provided in an embodiment of the present invention compared with the acid dew point detection means in correlation technique
Acid dew point detection means adds cleaning device, and control circuit can not continue to detect industrial kiln gas detection probe is contaminated
Acid dew-point temperature value when, control cleaning device to probe clean, the detection means can continue automatic detection industrial furnace
The acid dew-point temperature value of flue gas.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, are for only for ease of the description present invention and simplify description, without
It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it can not manage
Solve to indicate or imply relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Finally it should be noted that：Embodiment described above, is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention.The protection in the present invention should all be covered
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of acid dew point detection means, it is characterised in that including：Probe, control circuit, temperature equipment and cleaning equipment；
The control circuit is electrically connected with the probe, the temperature equipment and the cleaning equipment respectively；The probe is placed in industry
In kiln gas；
The probe, temperature value, the temperature value and the electricity by probe of itself of popping one's head in for the industrial kiln gas of detection in real time
Flow valuve, and the current value that the temperature value of the industrial kiln gas detected in real time, pop one's head in itself temperature value and process are popped one's head in
Transmit to the control circuit；
The control circuit, for the temperature value of industrial kiln gas according to the probe real-time Transmission, the probe itself
Temperature value, the current value by the probe and the probe whether there is the probe electric current produced because contaminated, it is determined that
The acid dew-point temperature value of the industrial kiln gas, and when confirming that the probe is contaminated, by controlling the temperature equipment
Carry out cooling cleaning to the probe to eliminate the probe electric current that the probe is produced because contaminated with the cleaning equipment；
The cleaning equipment, for receive it is described control circuit control to it is described probe cleaned with eliminate the probe because
The probe electric current for being contaminated and producing.
2. acid dew point detection means according to claim 1, it is characterised in that the probe includes:Detection faces, conductance are surveyed
Metering device, the first temperature sensor and second temperature sensor；The detection faces include the first contact minute surface and the second contact lense
Face, the conductance measurement device and first temperature sensor are arranged at the diverse location of the first contact minute surface, and
Electrically connected with the control circuit；The second temperature sensor is placed in the industrial kiln gas, and electric with the control
Road is electrically connected；
First temperature sensor, minute surface is contacted for detecting the first temperature value for contacting minute surface in real time, and by described first
Temperature value real-time Transmission to the control circuit；
The second temperature sensor, the temperature value for detecting the industrial kiln gas in real time, and by the industrial kiln gas
Temperature value real-time Transmission to the control circuit；
The conductance measurement device, for detecting in real time by the described first current value for contacting minute surface, and will be by described the
The current value real-time Transmission of one contact minute surface is to the control circuit；
The control circuit, specifically for when the first contact minute surface for determining the first temperature sensor real-time Transmission
When temperature value is equal to the temperature value of the industrial kiln gas of the second temperature sensor real-time Transmission, the temperature adjustment is controlled to set
It is standby that described second contact minute surface is cooled, when receiving the current value more than 0 first in temperature-fall period, record described the
Current first temperature value of one contact minute surface, stops cooling to the described second contact minute surface afterwards, when by described first
When the current value for contacting minute surface is 0, the current second temperature value of the first contact minute surface is recorded；By current first temperature
The average value of value and the current second temperature value is designated as the acid dew-point temperature value of the industrial kiln gas.
3. acid dew point detection means according to claim 2, it is characterised in that the cleaning equipment includes atomization air control system
Valve group, rinse water control valve group, atomizing mixer and shower nozzle；The atomization wind control valve group and the rinse water control valve group
Respectively it is connected with the control circuit and the atomizing mixer, the atomizing mixer is connected with the shower nozzle, the spray
The jet face of head is directed at the first contact minute surface of the detection faces；
The control circuit, specifically for controlling the temperature equipment to cool the described second contact minute surface, in cooling
During when receiving the current value more than 0 first, record current first temperature value of the first contact minute surface, stop afterwards
Described second contact minute surface is cooled, when the temperature value that minute surface is contacted by described first is more than current first temperature
After value, when being consistently greater than 0 by the current value of the described first contact minute surface, determine that the first contact minute surface is contaminated；Control
The temperature equipment cools to the described second contact minute surface；Control the atomization wind control valve group to be atomized after cooling to press
Contracting air is inputted inside the atomizing mixer, and controls the rinse water control valve group to input rinse water to the atomization
Internal mixer, controls the atomizing mixer to pass through institute by the atomization wind control valve group and the rinse water control valve group
State shower nozzle internal water atomization is sprayed into the first contact minute surface and cleaned.
4. acid dew point detection means according to claim 2, it is characterised in that the temperature equipment includes：Probe temperature
Adjuster and cooling wind regulation valve group；The probe temperature adjuster connects the control circuit respectively and the cooling wind is adjusted
Save valve group；
The probe temperature adjuster, for when receiving the control of the control circuit, by controlling the cooling wind to adjust
Section valve group blows a cold wind over to cool to the described second contact minute surface to the described second contact minute surface；
The control circuit, specifically for when the first contact minute surface for determining the first temperature sensor real-time Transmission
When temperature value is equal to the temperature value of the industrial kiln gas of the second temperature sensor real-time Transmission, the probe temperature is controlled
Spend adjuster work.
5. acid dew point detection means according to claim 4, it is characterised in that the control circuit includes：Processor and
Logic controller；The processor connects the conductance measurement device, first temperature sensor, the second temperature respectively
Sensor and the logic controller, the logic controller connect the probe temperature adjuster；
The processor, for when the temperature value for the first contact minute surface for determining the first temperature sensor real-time Transmission
Equal to the industrial kiln gas of the second temperature sensor real-time Transmission temperature value when, to the logic controller send
First control instruction；
The logic controller, for controlling the probe when receiving first control instruction that the processor is sent
Thermoregulator, will pass through the probe temperature adjuster control cooling wind regulation valve group to the described second contact minute surface
Cooled.
6. a kind of acid dew point detection method, it is characterised in that methods described includes：
Control the temperature value, the temperature value of probe and the electricity by probe of the industrial kiln gas of circuit receiving transducer real-time Transmission
Flow valuve；
According to temperature value, the temperature value of probe, the electric current by the probe of the industrial kiln gas of the probe real-time Transmission
Value and the probe whether there is the probe electric current produced because contaminated, determine the acid dew-point temperature of the industrial kiln gas
Value；
When confirming that the probe is contaminated, by control temperature equipment and cleaning equipment the probe is carried out cooling cleaning with
Eliminate the probe electric current that the probe is produced because contaminated.
7. acid dew point detection method according to claim 6, it is characterised in that the control circuit receiving transducer is passed in real time
Temperature value, the temperature value of probe and the current value by probe of defeated industrial kiln gas, including：
Receive the first contact minute surface of the first temperature sensor real-time Transmission being placed on the first contact minute surface of probe detection faces
Temperature value；
Receive the temperature value of the industrial kiln gas for the second temperature sensor real-time Transmission being placed in industrial kiln gas；
The process described first that the conductance measurement device that reception is placed on the first contact minute surface of probe detection faces is detected in real time connects
Touch the current value of minute surface.
8. acid dew point detection method according to claim 7, it is characterised in that described according to the probe real-time Transmission
Whether temperature value, the current value by the probe and the probe of the temperature value of industrial kiln gas, the probe itself
In the presence of the probe electric current produced because contaminated, the acid dew-point temperature value of the industrial kiln gas is determined, including：
When it is determined that the temperature value of the first contact minute surface of the first temperature sensor real-time Transmission is equal to the described second temperature
During the temperature value for the industrial kiln gas for spending sensor real-time Transmission, the temperature equipment is controlled to carry out the second contact minute surface
Cooling；
When receiving the current value more than 0 first in temperature-fall period, current first temperature of the first contact minute surface is recorded
Value, stops cooling to the described second contact minute surface afterwards, when the current value that minute surface is contacted by described first is 0, note
Record the current second temperature value of the first contact minute surface；
The average value of current first temperature value and the current second temperature value is designated as to the acid dew of the industrial kiln gas
Point temperature value.
9. acid dew point detection method according to claim 8, it is characterised in that described when the confirmation probe is contaminated
When, cleaned by controlling the temperature equipment and the cleaning equipment to carry out cooling to the probe to eliminate the probe because of quilt
The probe electric current for polluting and producing, including：
Controlling the temperature equipment to cool the described second contact minute surface, received first more than 0 in temperature-fall period
Current value when, record it is described first contact minute surface current first temperature value, stop afterwards to described second contact minute surface enter
Row cooling, after current first temperature value is more than by the temperature value of the described first contact minute surface, connects by described first
When the current value for touching minute surface is consistently greater than 0, determine that the first contact minute surface is contaminated；
The temperature equipment is controlled to cool the described second contact minute surface；
After the described second contact minute surface cooling, control atomization wind control valve group will be atomized in compressed air input atomizing mixer
Portion, and control rinse water control valve group input rinse water to the atomizing mixer, pass through the atomization air control system
Valve group and the rinse water control valve group control the atomizing mixer that internal water atomization is sprayed into described first by shower nozzle
Contact minute surface is cleaned.
10. acid dew point detection method according to claim 9, it is characterised in that the control temperature equipment is to institute
The second contact minute surface is stated to be cooled, including:
Control probe temperature adjuster so that the probe temperature adjuster control cooling wind adjusts valve group to the described second contact
Mirror minute surface blows a cold wind over to cool to the described second contact minute surface.
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| CN201710421435.7A CN107037082B (en) | 2017-06-07 | 2017-06-07 | A kind of acid dew point detection device and method |
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| CN201710421435.7A CN107037082B (en) | 2017-06-07 | 2017-06-07 | A kind of acid dew point detection device and method |
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| CN107037082A true CN107037082A (en) | 2017-08-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113834854A (en) * | 2021-09-23 | 2021-12-24 | 上海轻叶能源股份有限公司 | Air bath flue gas acid dew point temperature monitoring system |
| CN117491425A (en) * | 2024-01-03 | 2024-02-02 | 东方华瑞(成都)科技开发有限责任公司 | Detection device for flue gas acid dew point |
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| CN117491425A (en) * | 2024-01-03 | 2024-02-02 | 东方华瑞(成都)科技开发有限责任公司 | Detection device for flue gas acid dew point |
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| CN107037082B (en) | 2019-10-18 |
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