CN102175340B - Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator - Google Patents
Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator Download PDFInfo
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- CN102175340B CN102175340B CN201110062019A CN201110062019A CN102175340B CN 102175340 B CN102175340 B CN 102175340B CN 201110062019 A CN201110062019 A CN 201110062019A CN 201110062019 A CN201110062019 A CN 201110062019A CN 102175340 B CN102175340 B CN 102175340B
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Abstract
The invention discloses a dew-point temperature measuring instrument for a smoke acid medium of a solid waste incinerator, which comprises a measurement sensing mechanism and a control unit, a device main body, an intake valve and an air input port. The measurement sensing mechanism comprises a thermal-sensitive and humidity-sensitive integrated sensing mechanism, wherein the thermal-sensitive and humidity-sensitive integrated sensing mechanism comprises a main body, a thermal-sensitive and humidity-sensitive integrated sensing sheet, a thermal conductive silicon grease and an end nut; a front surface of the thermal-sensitive and humidity-sensitive integrated sensing sheet located at the top of the thermal-sensitive and humidity-sensitive integrated sensing mechanism is provided with two groups of never intersected gilded lines so as to be used as a humidity-sensitive sensor, and a thermoelectric couple is embedded in the main body so as to be used as a thermal-sensitive sensor; and the air input port orderly passes through the intake valve, an air input channel and an air output channel to be matched and connected with an air output port so as to form a ventilation channel; and the air flowing in the ventilation channel flows through heat exchange fins.
Description
Technical field
The present invention relates to a kind of temperature-indicating instrument, relate in particular to a kind of solid waste incineration kiln gas acid medium dewpoint temperature analyzer.
Background technology
The flue gas that solid waste incineration produces is the mixed type flue gas, except that containing sour gas such as a large amount of SO2, SO3, HF, HCL, NOx, also contains small amount of mercury (Hg), cadmium (Cd), plumbous (Pd) and compound and other heavy metal and compound thereof.Sulfuric acid (H2SO4) the condensation liquid that the strong acid condensation liquor ratio general industry kiln gas that this mixed type flue gas is produced produces has stronger corrosivity.Therefore; Correct Determination obtains main position dewpoint temperature in the solid waste incineration kiln gas disposal system; Thereby countermeasure and the measure that can study and take to adapt according to the accurate data of surveying reduce to greatest extent and delay severe corrosive acid and reveal corrosion on Equipment.
Existing dewpoint temperature tester adopts the semiconductor refrigerating element to realize that " Cold Mirrors " surface produces low-temperature space; Make the appearance gas cooling of skimming over the mirror surface; And formation saturated vapor pressure; At Cold Mirrors surface sweating or frost, handle this process through photoelectric technology, be controlled on the optimum the minute surface dewfall is in stable condition.Built-in microthermometer then shows appearance gas dewpoint temperature, accomplishes the testing process of gas dew point temperature.The dew point that this type dew point hygrometer series of products are used for gas micro-water contents such as air, SF6, CO2, N2, H2 detects; Sensing range is generally only about-40 ℃ to 60 ℃; Have to-80 ℃ based on the extended pattern of the tester of Cold Mirrors principle is minimum, but all incompatible mensuration in solid waste incineration furnace system flue gas higher dew point temperature.
Summary of the invention
The object of the present invention is to provide a kind of solid waste incineration kiln gas acid medium dewpoint temperature analyzer with higher temperature measurement range.
For realizing above-mentioned purpose, said solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises and measures sensing mechanism and control module, is characterized in that said measurement sensing mechanism comprises:
Temperature-sensitive, wet quick integrated sensing mechanism, said temperature-sensitive, wet quick integrated sensing mechanism comprise body, temperature-sensitive, wet quick integrated sensing sheet, heat-conducting silicone grease and end nut; Be positioned at said temperature-sensitive, the temperature-sensitive on wet quick integrated sensing mechanism top, the front of wet quick integrated sensing sheet and have two groups of gold-plated lines that converge at infinity, as moisture sensor, be embedded with thermopair in the said body with this, with this as heat sensitive sensor;
Apparatus main body, the inside of said apparatus main body comprise heat exchanger fin, air input passage, air output channel and lead channels, and the outside surface of apparatus main body has the outer tube of anti-high temperature, flue gas is surveyed a mouthful book jacket plate, air-out and lead output interface; Said heat exchanger fin with fall to putting the integral body that is constituted is fixed on said apparatus main body one end through screw-nut surfaces externally and internally in order by end nut, heat-conducting silicone grease and temperature-sensitive, wet quick integrated sensing sheet; The lead that said thermopair is drawn runs through said lead channels with the lead that moisture sensor is drawn and is connected with the control module communication; Said outer tube is attached on the outside surface of said apparatus main body; Said flue gas survey mouthful book jacket sleeve-board be enclosed in said outer tube be positioned at air-out and lead output interface towards be provided with temperature-sensitive, a side of the quick integrated transducer that wets; Air intake valve; And air-in, said air-in are connected through air intake valve, air input passage and air output channel and air-out in order, to form air communication channel; The airflow that in said air communication channel, circulates is through said heat exchanger fin.
Preferably, said control module comprises power amplification circuit, and dew point produces the acousto-optic indicating circuit, adds locking, release commutation circuit, reading lock-in circuit, Celsius, Fahrenheit reading commutation circuit, temperature reading display device and feed circuit; The lead that said moisture sensor is drawn produces the acousto-optic indicating circuit with dew point respectively through power amplification circuit, with add locking, the communication of release commutation circuit is connected; The lead that said heat sensitive sensor is drawn is connected with the communication of said temperature counting display device; Saidly add locking, the release commutation circuit is connected with the communication of temperature reading display device through the reading lock-in circuit, with the locking and the release of control temperature reading; Said Celsius, Fahrenheit counting commutation circuit is connected with the communication of temperature reading display device.
Preferably, said thermopair is a bead thermocouple.
The method of work of said measuring instrument locking dewpoint temperature does; Said temperature-sensitive, wet quick integrated sensing mechanism insert in the flue of solid waste incinerator; Heat sensitive sensor is gathered the interior temperature of said flue and is transferred to said temperature reading display device via the lead that thermopair is drawn, to show the real time temperature in the current flue; Open air intake valve; Pressurized air flows along said air communication channel as heat eliminating medium; Carry out heat interchange through heat exchanger fin and said temperature-sensitive, wet quick integrated sensing mechanism; Said temperature-sensitive, wet quick integrated sensing mechanism progressively lower the temperature, and produce the condensation sorrel with conducting function on the surface of moisture sensor gradually; The electrically conductive signal that said condensation sorrel produces inputs in the said power amplification circuit through the lead that moisture sensor is drawn, and to carry out the amplification of said electrically conductive signal, forms strong electrically conductive signal; Said strong electrically conductive signal inputs to dew point and produces the acousto-optic indicating circuit, to produce indicator signal; Said strong electrically conductive signal input to add locking, the release commutation circuit is the cover half formula that locks with mode switch; The reading lock-in circuit produces and to add the locking control signal, and control temperature reading display device locks current displays temperature immediately, with this as dewpoint temperature.
Preferably; The method of work of said measuring instrument unlocked dewpoint temperature does; Close air intake valve, stop pressurized air, stop the heat interchange that pressurized air carries out through heat exchanger fin and said temperature-sensitive, the quick integrated sensing mechanism that wets along the flowing of said air communication channel; The sorrel evaporation of condensing on the surface of moisture sensor is progressively heated up in said temperature-sensitive, wet quick integrated sensing mechanism; The electrically conductive signal that said condensation sorrel produces disappears; Thereby input to dew point and produce acousto-optic indicating circuit and the strong electrically conductive signal disappearance that adds locking, release commutation circuit; Thereby indicator signal disappears, and the mode switch of said locking, release commutation circuit is a unlock mode; The reading lock-in circuit is removed and is added the locking control signal, and the display mode of control temperature reading display device recovers normal, to show the real time temperature in the current flue.
Beneficial effect of the present invention is; Said solid waste incineration kiln gas acid medium dewpoint temperature analyzer is fit to be applied to the flow through mensuration of each position acid medium dewpoint temperature of all kinds of solid waste incineration stove production line flue gases, burns production line etc. like consumer waste incineration production line, dangerous material discarded object, Biohazard Waste; The scope of the dewpoint temperature that said analyzer can be measured is 0～200 ℃, and flue-gas temperature is 0～230 ℃.If the grade of selecting the high temperature resistant shielded conductor in the bar-shaped measurement sensing mechanism of this instrument for use improves, also can improve this instrument temperature measurement range; In addition, said analyzer is easy to operate, portable, precision is high, and mains supply and a spot of pressurized air need only be provided during measurement, can carry out the scene easily and measure in real time on the spot.
Description of drawings
Fig. 1 shows the structural representation of bar-shaped measurement sensing mechanism.
Fig. 2 shows the structural representation of bar-shaped measurement sensing mechanism end.
Fig. 3 shows the structural representation of temperature-sensitive, wet quick integrated sensing sheet.
Fig. 4 shows the functional-block diagram of dewpoint temperature analyzer control circuit.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
Said solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises survey sensor mechanism and control module.
To shown in Figure 3, said measurement sensing mechanism comprises temperature-sensitive, wet quick integrated sensing mechanism, apparatus main body 10, air intake valve 40 and air-in 60 like Fig. 1.Particularly:
Temperature-sensitive, wet quick integrated sensing mechanism, said temperature-sensitive, wet quick integrated sensing mechanism comprise body, temperature-sensitive, wet quick integrated sensing sheet 1, heat-conducting silicone grease 6 and end nut 5; Be positioned at said temperature-sensitive, the temperature-sensitive on wet quick integrated sensing mechanism top, the front of wet quick integrated sensing sheet 1 and have two groups of gold-plated lines 70 that converge at infinity, as moisture sensor, be embedded with thermopair in the said body with this, with this as heat sensitive sensor.Said temperature-sensitive, wet quick integrated sensing sheet 1 are formed by the FR4 bonded copper base etching and processing of anti-certain high temperature of a slice and acid corrosion-resistant; But said heat-conducting silicone grease 6 moisture-prooves are not dry; Said thermopair is preferably bead thermocouple.
Apparatus main body 10; The inside of said apparatus main body 10 comprises heat exchanger fin 4, air input passage, air output channel and lead channels, and the outside surface of apparatus main body 10 has the outer tube of anti-high temperature, flue gas is surveyed a mouthful book jacket plate 20, air-out 30 and lead output interface 50; Said heat exchanger fin 4 with fall to putting the integral body that is constituted is fixed on said apparatus main body 10 1 ends through screw-nut 7 surfaces externally and internally in order by end nut 5, heat-conducting silicone grease 6 and temperature-sensitive, wet quick integrated sensing sheet 1; The lead 3 that lead 2 and the moisture sensor that said thermopair is drawn drawn runs through said lead channels and is connected with the control module communication; Said outer tube is attached on the outside surface of said apparatus main body 10; Said flue gas is surveyed mouthful book jacket plate 20 covers and is enclosed in said outer tube and is positioned at air-out 30 and lead output interface 50 towards a side that is provided with temperature-sensitive, wet quick integrated transducer.
Said air-in 60 is connected through air intake valve 40, air input passage and air output channel and air-out 30 in order, to form air communication channel; The airflow that in said air communication channel, circulates is through said heat exchanger fin 4.
As shown in Figure 4, said control module comprises power amplification circuit 24, and dew point produces acousto-optic indicating circuit 25, adds locking, release commutation circuit 23, reading lock-in circuit 26, Celsius, Fahrenheit reading commutation circuit 27, temperature reading display device 28 and feed circuit 22.Particularly:
The lead 3 that said moisture sensor is drawn produces acousto-optic indicating circuit 25 with dew point respectively through power amplification circuit 24, with add locking, 23 communications of release commutation circuit are connected; The lead that said heat sensitive sensor is drawn is connected with the communication of said temperature counting display device; Saidly add locking, release commutation circuit 23 is connected with 28 communications of temperature reading display device through reading lock-in circuit 26, with the locking and the release of control temperature reading; Said Celsius, Fahrenheit counting commutation circuit 23 is connected with 28 communications of temperature reading display device.
Said feed circuit 22 also have the effect of step-down, rectification, filtering and voltage stabilizing except that function of supplying power.220V AC power 21 is through said feed circuit 22 and power amplification circuit 24; Dew point produces acousto-optic indicating circuit 25; Add locking, release commutation circuit 23; Reading lock-in circuit 26 and temperature reading display device 28 are electrically connected, and said feed circuit 22 also are electrically connected with Celsius, Fahrenheit reading commutation circuit 27 through reading lock-in circuit 26.
In addition, said control module also has attaching plug, multichannel weak electric signal feed-through connector etc.
The method of work of said measuring instrument locking dewpoint temperature does; Said temperature-sensitive, wet quick integrated sensing mechanism insert in the flue of solid waste incinerator; Heat sensitive sensor is gathered the interior temperature of said flue and is transferred to said temperature reading display device 28 via the lead 2 that thermopair is drawn, to show the real time temperature in the current flue; Open air intake valve 40; Pressurized air flows along said air communication channel as heat eliminating medium; Carry out heat interchange through heat exchanger fin 4 and said temperature-sensitive, wet quick integrated sensing mechanism; Said temperature-sensitive, wet quick integrated sensing mechanism progressively lower the temperature, and produce the condensation sorrel with conducting function on the surface of moisture sensor gradually; The faint electrically conductive signal that said condensation sorrel produces inputs in the said power amplification circuit 24 through the lead 3 that moisture sensor is drawn, and to carry out the amplification of said faint electrically conductive signal, forms strong electrically conductive signal; Said strong electrically conductive signal inputs to dew point and produces acousto-optic indicating circuit 25, producing indicator signal, said strong electrically conductive signal input to add locking, release commutation circuit 23 is the cover half formula that locks with mode switch; Reading lock-in circuit 26 produces and adds the locking control signal, and control temperature reading display device 28 locks current displays temperature immediately, with this as dewpoint temperature.
The method of work of said measuring instrument unlocked dewpoint temperature does; Close air intake valve 40; Stop pressurized air flowing along said air communication channel; Stop the heat interchange that pressurized air carries out through heat exchanger fin 4 and said temperature-sensitive, wet quick integrated sensing mechanism, the sorrel evaporation of condensing on the surface of moisture sensor is progressively heated up in said temperature-sensitive, wet quick integrated sensing mechanism; The electrically conductive signal that said condensation sorrel produces disappears; Thereby input to dew point and produce acousto-optic indicating circuit 25 and the strong electrically conductive signal disappearance that adds locking, release commutation circuit 23; Thereby indicator signal disappears, and the mode switch of said locking, release commutation circuit 23 is a unlock mode; Reading lock-in circuit 26 is removed and is added the locking control signal, and the display mode of control temperature reading display device 28 recovers normal, to show the real time temperature in the current flue.
Said solid waste incineration kiln gas acid medium dewpoint temperature analyzer is fit to be applied to the flow through mensuration of each position acid medium dewpoint temperature of all kinds of solid waste incineration stove production line flue gases, burns production line etc. like consumer waste incineration production line, dangerous material discarded object, Biohazard Waste; The scope of the dewpoint temperature that said analyzer can be measured is 0～200 ℃, and flue-gas temperature is 0～230 ℃.If the grade of selecting the high temperature resistant shielded conductor in the bar-shaped measurement sensing mechanism of this instrument for use improves; Also can improve this instrument temperature measurement range; But limit uses that flue-gas temperature is the highest to be no more than 280 ℃, and above usable range has been more than sufficient in the current mensuration that is used for all kinds of solid waste incineration production line flue gas dewpoint temperatures.
In addition, said analyzer is easy to operate, portable, precision is high, and mains supply and a spot of pressurized air need only be provided during measurement, can carry out the scene easily and measure in real time on the spot.
Through measurement to solid waste incineration stove related system flue gas dew point temperature; Obtain real data; Thereby countermeasure and the measure that can study and take to adapt according to the accurate data of surveying; Reduce to greatest extent and delay severe corrosive acid and reveal, thereby have more very important real directive significance for the design of solid waste incinerator system, operation, transformation, overhaul etc. to corrosion on Equipment.
Claims (5)
1. solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises and measures sensing mechanism and control module, it is characterized in that: said measurement sensing mechanism comprises,
Temperature-sensitive, wet quick integrated sensing mechanism, said temperature-sensitive, wet quick integrated sensing mechanism comprise body, temperature-sensitive, wet quick integrated sensing sheet, heat-conducting silicone grease and end nut; Be positioned at said temperature-sensitive, the temperature-sensitive on wet quick integrated sensing mechanism top, the front of wet quick integrated sensing sheet and have two groups of gold-plated lines that converge at infinity, as moisture sensor, be embedded with thermopair in the said body with this, with this as heat sensitive sensor;
Apparatus main body, the inside of said apparatus main body comprise heat exchanger fin, air input passage, air output channel and lead channels, and the outside surface of apparatus main body has the outer tube of anti-high temperature, flue gas is surveyed a mouthful book jacket plate, air-out and lead output interface; Said heat exchanger fin is fixed on the inside surface of said apparatus main body one end through screw-nut, falls to putting the integral body that is constituted is fixed on said apparatus main body one end through screw-nut outside surface in order by end nut, heat-conducting silicone grease and temperature-sensitive, wet quick integrated sensing sheet; The lead that said thermopair is drawn runs through said lead channels with the lead that moisture sensor is drawn and is connected with the control module communication; Said outer tube is attached on the outside surface of said apparatus main body; Said flue gas survey mouthful book jacket sleeve-board be enclosed in said outer tube be positioned at air-out and lead output interface towards be provided with temperature-sensitive, a side of the quick integrated sensing sheet that wets;
Air intake valve; And,
Air-in, said air-in are connected through air intake valve, air input passage and air output channel and air-out in order, to form air communication channel; The airflow that in said air communication channel, circulates is through said heat exchanger fin.
2. according to the said solid waste incineration kiln gas of claim 1 acid medium dewpoint temperature analyzer; It is characterized in that: said control module comprises power amplification circuit; Dew point produces the acousto-optic indicating circuit, adds locking, release commutation circuit, the reading lock-in circuit; Celsius, Fahrenheit reading commutation circuit, temperature reading display device and feed circuit;
The lead that said moisture sensor is drawn through power amplification circuit produce the acousto-optic indicating circuit with dew point respectively and add locking, the communication of release commutation circuit is connected; The lead that said heat sensitive sensor is drawn is connected with the communication of said temperature reading display device; Saidly add locking, the release commutation circuit is connected with the communication of temperature reading display device through the reading lock-in circuit, with the locking and the release of control temperature reading; Said Celsius, Fahrenheit reading commutation circuit is connected with the communication of temperature reading display device.
3. according to the said solid waste incineration kiln gas of claim 1 acid medium dewpoint temperature analyzer, it is characterized in that: said thermopair is a bead thermocouple.
4. according to the method for work of the said solid waste incineration kiln gas of claim 1 acid medium dewpoint temperature analyzer, it is characterized in that:
Said control module comprises power amplification circuit, and dew point produces the acousto-optic indicating circuit, adds locking, release commutation circuit, reading lock-in circuit, Celsius, Fahrenheit reading commutation circuit, temperature reading display device and feed circuit;
The lead that said moisture sensor is drawn through power amplification circuit produce the acousto-optic indicating circuit with dew point respectively and add locking, the communication of release commutation circuit is connected; The lead that said heat sensitive sensor is drawn is connected with the communication of said temperature reading display device; Saidly add locking, the release commutation circuit is connected with the communication of temperature reading display device through the reading lock-in circuit, with the locking and the release of control temperature reading; Said Celsius, Fahrenheit reading commutation circuit is connected with the communication of temperature reading display device;
The method of work of said dewpoint temperature analyzer locking dewpoint temperature does; Said temperature-sensitive, wet quick integrated sensing mechanism insert in the flue of solid waste incinerator; Heat sensitive sensor is gathered the interior temperature of said flue and is transferred to said temperature reading display device via the lead that thermopair is drawn, to show the real time temperature in the current flue; Open air intake valve; Pressurized air flows along said air communication channel as heat eliminating medium; Carry out heat interchange through heat exchanger fin and said temperature-sensitive, wet quick integrated sensing mechanism; Said temperature-sensitive, wet quick integrated sensing mechanism progressively lower the temperature, and produce the condensation sorrel with conducting function on the surface of moisture sensor gradually; The electrically conductive signal that said condensation sorrel produces inputs in the said power amplification circuit through the lead that moisture sensor is drawn, and to carry out the amplification of said electrically conductive signal, forms strong electrically conductive signal; Said strong electrically conductive signal inputs to dew point and produces the acousto-optic indicating circuit, to produce indicator signal; Said strong electrically conductive signal input to add locking, the release commutation circuit is the cover half formula that locks with mode switch; The reading lock-in circuit produces and to add the locking control signal, and control temperature reading display device locks current displays temperature immediately, with this as dewpoint temperature.
5. according to the method for work of the said solid waste incineration kiln gas of claim 4 acid medium dewpoint temperature analyzer, it is characterized in that:
The method of work of said dewpoint temperature analyzer unlocked dewpoint temperature does; Close air intake valve; Stop pressurized air flowing along said air communication channel; Stop the heat interchange that pressurized air carries out through heat exchanger fin and said temperature-sensitive, wet quick integrated sensing mechanism, the condensation sorrel evaporation on the surface of moisture sensor is progressively heated up in said temperature-sensitive, wet quick integrated sensing mechanism; The electrically conductive signal that said condensation sorrel produces disappears; Thereby input to dew point and produce acousto-optic indicating circuit and the strong electrically conductive signal disappearance that adds locking, release commutation circuit; Thereby indicator signal disappears, and the said mode switch that adds locking, release commutation circuit is a unlock mode; The reading lock-in circuit is removed and is added the locking control signal, and the display mode of control temperature reading display device recovers normal, to show the real time temperature in the current flue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110062019A CN102175340B (en) | 2011-03-15 | 2011-03-15 | Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator |
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| CN201110062019A CN102175340B (en) | 2011-03-15 | 2011-03-15 | Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator |
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| CN102175340B true CN102175340B (en) | 2012-09-19 |
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| CN202083481U (en) * | 2011-03-15 | 2011-12-21 | 上海市固体废物处置中心 | Dew-point temperature measuring device for solid waste incinerator flue gas acid medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0698321B2 (en) * | 1990-10-08 | 1994-12-07 | 住友金属工業株式会社 | Electric dust collector temperature control method |
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|---|---|---|---|---|
| US4403296A (en) * | 1980-12-18 | 1983-09-06 | Electromedics, Inc. | Measuring and determination device for calculating an output determination based on a mathematical relationship between multiple different input responsive transducers |
| CN101251467A (en) * | 2008-03-19 | 2008-08-27 | 华东理工大学 | Apparatus and method for testing resistance dew-point corrosion of evaluating material |
| CN202083481U (en) * | 2011-03-15 | 2011-12-21 | 上海市固体废物处置中心 | Dew-point temperature measuring device for solid waste incinerator flue gas acid medium |
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| JP平4-145964A 1992.05.19 |
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Address after: 201815 Shanghai Jia Zhu highway 2491 Patentee after: Shanghai solid waste disposal Co., Ltd. Address before: 200336 2, Hongqiao Road, Xuhui District, Shanghai, 2. Patentee before: Shanghai Solid Waste Management Center |
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