CN202083481U - Dew-point temperature measuring device for solid waste incinerator flue gas acid medium - Google Patents
Dew-point temperature measuring device for solid waste incinerator flue gas acid medium Download PDFInfo
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- CN202083481U CN202083481U CN2011200677396U CN201120067739U CN202083481U CN 202083481 U CN202083481 U CN 202083481U CN 2011200677396 U CN2011200677396 U CN 2011200677396U CN 201120067739 U CN201120067739 U CN 201120067739U CN 202083481 U CN202083481 U CN 202083481U
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Abstract
The utility model discloses a dew-point temperature measuring device for a solid waste incinerator flue gas acid medium. The device comprises a measuring sensing mechanism and a control unit. The measuring sensing mechanism comprises a thermal sensitive-humidity sensitive integrated sensing mechanism, which comprises a body, a thermal sensitive-humidity sensitive integrated sensing sheet, heat conduction silicone grease and an end nut cap, wherein the front face of the thermal sensitive-humidity sensitive integrated sensing sheet arranged at the top of the thermal sensitive-humidity sensitive integrated sensing mechanism is provided with two non-intersect sets of gilt lines for being used as a humidity sensor, and a thermocouple is embedded in the body so as to be used as a thermal sensor. The measuring sensing mechanism also comprises a device body, an air inlet valve, and an air in port, wherein the air in port is in matched connection with an air out port via the air inlet valve, an air in channel and an air out channel in order so as to form an air circulation channel, and air circulating in the air circulation channel flows through a heat exchanger fin.
Description
Technical field
The utility model relates to a kind of temperature-indicating instrument, relates 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 mensuration 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 to equipment.
Existing dewpoint temperature tester adopts the semiconductor refrigerating element to realize that " Cold Mirrors " surface produces low-temperature space, make the sample gas cooling of skimming over the mirror surface, and formation saturated vapor pressure, at Cold Mirrors surface sweating or frost, this process is handled by photoelectric technology, be controlled on the optimum the minute surface dewfall is in stable condition.Built-in microthermometer then shows sample gas dewpoint temperature, finishes the testing process of gas dew point temperature.The dew point that these class 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.
The utility model content
The purpose of this utility model is to provide a kind of solid waste incineration kiln gas acid medium dewpoint temperature analyzer with higher temperature measurement range.
For achieving the above object, described solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises and measures sensing mechanism and control module, is characterized in that described measurement sensing mechanism comprises:
Temperature-sensitive, wet quick integrated sensing mechanism, described 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 described 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 described body with this, with this as heat sensitive sensor;
Apparatus main body, the inside of described 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; Described heat exchanger fin with fall to putting the integral body that is constituted is fixed on described apparatus main body one end by screw-nut surfaces externally and internally in turn by end nut, heat-conducting silicone grease and temperature-sensitive, wet quick integrated sensing sheet; The lead that described thermopair is drawn runs through described lead channels with the lead that moisture sensor is drawn and is connected with the control module communication; Described outer tube is attached on the outside surface of described apparatus main body; Described flue gas is surveyed mouthful book jacket sleeve-board and is enclosed in described outer tube and is positioned at air-out and lead output interface towards a side that is provided with temperature-sensitive, wet quick integrated transducer; Air intake valve; And air-in, described air-in are connected through air intake valve, air input passage and air output channel and air-out in turn, to form air communication channel; The airflow that circulates in described air communication channel is through described heat exchanger fin.
Preferably, described 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 described 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 described heat sensitive sensor is drawn is connected with the communication of described temperature counting display device; Describedly 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; Described Celsius, Fahrenheit counting commutation circuit is connected with the communication of temperature reading display device.
Preferably, described thermopair is a bead thermocouple.
The beneficial effects of the utility model are, described 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. as consumer waste incineration production line, dangerous material discarded object, Biohazard Waste; The scope of the dewpoint temperature that described analyzer can be measured is 0～200 ℃, and flue-gas temperature is 0～230 ℃.If the grade that the high temperature resistant shielded conductor in the bar-shaped measurement sensing mechanism of this instrument is selected for use improves, also can improve this instrument temperature measurement range; In addition, described 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 utility model is described further.
Described solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises survey sensor mechanism and control module.
As shown in Figure 1 to Figure 3, described measurement sensing mechanism comprises temperature-sensitive, wet quick integrated sensing mechanism, apparatus main body 10, air intake valve 40 and air-in 60.Particularly:
Temperature-sensitive, wet quick integrated sensing mechanism, described 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 described 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 described body with this, with this as heat sensitive sensor.Described 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 described heat-conducting silicone grease 6 moisture-prooves are not dry; Described thermopair is preferably bead thermocouple.
Apparatus main body 10, the inside of described 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; Described heat exchanger fin 4 with fall to putting the integral body that is constituted is fixed on described apparatus main body 10 1 ends by screw-nut 7 surfaces externally and internally in turn 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 described thermopair is drawn drawn runs through described lead channels and is connected with the control module communication; Described outer tube is attached on the outside surface of described apparatus main body 10; Described flue gas is surveyed mouthful book jacket plate 20 covers and is enclosed in described 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.
Described air-in 60 is connected through air intake valve 40, air input passage and air output channel and air-out 30 in turn, to form air communication channel; The airflow that circulates in described air communication channel is through described heat exchanger fin 4.
As shown in Figure 4, described 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 described 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 described heat sensitive sensor is drawn is connected with the communication of described temperature counting display device; Describedly 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; Described Celsius, Fahrenheit counting commutation circuit 23 is connected with 28 communications of temperature reading display device.
Described 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 described 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, be electrically connected with temperature reading display device 28, described feed circuit 22 also are electrically connected with Celsius, Fahrenheit reading commutation circuit 27 through reading lock-in circuit 26.
In addition, described control module also has attaching plug, multichannel weak electric signal feed-through connector etc.
The method of work of described measuring instrument locking dewpoint temperature is, described temperature-sensitive, wet quick integrated sensing mechanism insert in the flue of solid waste incinerator, heat sensitive sensor is gathered the interior temperature of described flue and is transferred to described 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 described air communication channel as heat eliminating medium, carry out heat interchange through heat exchanger fin 4 and described temperature-sensitive, wet quick integrated sensing mechanism, described 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 described condensation sorrel produces inputs in the described power amplification circuit 24 through the lead 3 that moisture sensor is drawn, and to carry out the amplification of described faint electrically conductive signal, forms strong electrically conductive signal; Described strong electrically conductive signal inputs to dew point and produces acousto-optic indicating circuit 25, producing indicator signal, described 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 that described measuring instrument is separated the locking dewpoint temperature is, close air intake valve 40, stop pressurized air flowing along described air communication channel, stop the heat interchange that pressurized air carries out through heat exchanger fin 4 and described temperature-sensitive, wet quick integrated sensing mechanism, the sorrel evaporation of condensing on the surface of moisture sensor is progressively heated up in described temperature-sensitive, wet quick integrated sensing mechanism; The electrically conductive signal that described condensation sorrel produces disappears, thereby input to the strong electrically conductive signal disappearance that dew point produces acousto-optic indicating circuit 25 and adds locking, release commutation circuit 23, thereby indicator signal disappears, and the mode switch of described 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.
Described 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. as consumer waste incineration production line, dangerous material discarded object, Biohazard Waste; The scope of the dewpoint temperature that described analyzer can be measured is 0～200 ℃, and flue-gas temperature is 0～230 ℃.If the grade that the high temperature resistant shielded conductor in the bar-shaped measurement sensing mechanism of this instrument is selected 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, described 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.
By 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 corrosion, thereby have more very important real directive significance for the design of solid waste incinerator system, operation, transformation, overhaul etc. to equipment.
Claims (3)
1. solid waste incineration kiln gas acid medium dewpoint temperature analyzer comprises and measures sensing mechanism and control module, it is characterized in that: described measurement sensing mechanism comprises,
Temperature-sensitive, wet quick integrated sensing mechanism, described 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 described 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 described body with this, with this as heat sensitive sensor;
Apparatus main body, the inside of described 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; Described heat exchanger fin with fall to putting the integral body that is constituted is fixed on described apparatus main body one end by screw-nut surfaces externally and internally in turn by end nut, heat-conducting silicone grease and temperature-sensitive, wet quick integrated sensing sheet; The lead that described thermopair is drawn runs through described lead channels with the lead that moisture sensor is drawn and is connected with the control module communication; Described outer tube is attached on the outside surface of described apparatus main body; Described flue gas is surveyed mouthful book jacket sleeve-board and is enclosed in described outer tube and is positioned at air-out and lead output interface towards a side that is provided with temperature-sensitive, wet quick integrated transducer;
Air intake valve; And,
Air-in, described air-in are connected through air intake valve, air input passage and air output channel and air-out in turn, to form air communication channel; The airflow that circulates in described air communication channel is through described heat exchanger fin.
2. according to the described solid waste incineration kiln gas of claim 1 acid medium dewpoint temperature analyzer, it is characterized in that: described control module comprises power amplification circuit, dew point produces the acousto-optic indicating circuit, add locking, release commutation circuit, the reading lock-in circuit, Celsius, Fahrenheit reading commutation circuit, temperature reading display device and feed circuit;
The lead that described 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 described heat sensitive sensor is drawn is connected with the communication of described temperature counting display device; Describedly 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; Described Celsius, Fahrenheit counting commutation circuit is connected with the communication of temperature reading display device.
3. according to the described solid waste incineration kiln gas of claim 1 acid medium dewpoint temperature analyzer, it is characterized in that: described thermopair is a bead thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677396U CN202083481U (en) | 2011-03-15 | 2011-03-15 | Dew-point temperature measuring device for solid waste incinerator flue gas acid medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200677396U CN202083481U (en) | 2011-03-15 | 2011-03-15 | Dew-point temperature measuring device for solid waste incinerator flue gas acid medium |
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| Publication Number | Publication Date |
|---|---|
| CN202083481U true CN202083481U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200677396U Expired - Lifetime CN202083481U (en) | 2011-03-15 | 2011-03-15 | Dew-point temperature measuring device for solid waste incinerator flue gas acid medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175340A (en) * | 2011-03-15 | 2011-09-07 | 上海市固体废物处置中心 | Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator |
| 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 |
-
2011
- 2011-03-15 CN CN2011200677396U patent/CN202083481U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175340A (en) * | 2011-03-15 | 2011-09-07 | 上海市固体废物处置中心 | Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator |
| CN102175340B (en) * | 2011-03-15 | 2012-09-19 | 上海市固体废物处置中心 | Dew-point temperature measuring instrument for smoke acid medium of solid waste incinerator |
| 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 |
| CN117491425B (en) * | 2024-01-03 | 2024-03-08 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20120919 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20120919 |