CN115475494B - Dust appearance for environmental protection type fume emission monitoring system - Google Patents
Dust appearance for environmental protection type fume emission monitoring system Download PDFInfo
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- CN115475494B CN115475494B CN202210954534.2A CN202210954534A CN115475494B CN 115475494 B CN115475494 B CN 115475494B CN 202210954534 A CN202210954534 A CN 202210954534A CN 115475494 B CN115475494 B CN 115475494B
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- dust
- working condition
- flue gas
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- 239000000428 dust Substances 0.000 title claims abstract description 178
- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 230000007613 environmental effect Effects 0.000 title claims description 7
- 239000003517 fume Substances 0.000 title claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 77
- 239000003546 flue gas Substances 0.000 claims abstract description 77
- 238000001035 drying Methods 0.000 claims abstract description 52
- 239000000779 smoke Substances 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims description 69
- 238000012937 correction Methods 0.000 claims description 38
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 21
- 239000007921 spray Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- 230000001629 suppression Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/30—Controlling by gas-analysis apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
Abstract
The invention discloses a dust meter for an environment-friendly smoke emission monitoring system, which comprises a box body; the air box is arranged in the box body and is used for treating and detecting dust in the flue gas; the drying unit is arranged in the air box and is used for drying the flue gas; the dust detection unit is arranged in the box body and is used for detecting the dust concentration in the flue gas; the dust treatment unit is arranged in the box body and is used for treating the detected flue gas; the control unit is arranged in the box body and used for controlling the operation of the drying unit, the dust detection unit and the dust treatment unit; according to the invention, the moisture in the smoke to be detected is eliminated, the error of dust concentration detection is reduced, the accuracy of dust concentration detection is improved, and the detected smoke is treated and then discharged, so that the smoke detection device is environment-friendly.
Description
Technical Field
The invention relates to the technical field of dust detection, in particular to a dust meter for an environment-friendly smoke emission monitoring system.
Background
In industrial production, can produce a large amount of dust, the dust floats in the air, form serious dust, lead to the air quality to seriously decline, people breathe a large amount of air that contain the dust, lead to healthy serious threat, serious threat life safety, so when the dust produces, need carry out reasonable detection, look over the dust value, prevent that the dust is serious to exceed standard, let the workman work under safe environment, reduce the harm of dust to the human body, but the result that traditional dust detector detected can take place detection error because there is moisture, these moisture can not only influence the testing result, still can cause the damage of equipment, and the flue gas after the detection is discharged once more through handling, secondary pollution has been caused.
Disclosure of Invention
The invention aims to solve the technical problems that: the dust meter in the prior art can appear influencing the problem of testing result because of having moisture in the flue gas when using.
In order to solve the technical problems, the invention provides a dust meter for an environment-friendly smoke emission monitoring system, comprising:
a case;
the air box is arranged in the box body and is used for treating and detecting dust in the flue gas;
the drying unit is arranged in the air box and is used for drying the flue gas;
the dust detection unit is arranged in the box body and is used for detecting the dust concentration in the flue gas;
the dust treatment unit is arranged in the box body and is used for treating the detected flue gas;
and the control unit is arranged in the box body and used for controlling the operation of the drying unit, the dust detection unit and the dust treatment unit.
In the embodiment of the application, provided is a dust appearance for environmental protection type flue gas emission monitoring system, stoving unit includes:
the heating wire is arranged in the bellows in a surrounding manner and is used for removing moisture in the flue gas;
the fan is arranged in the air box and used for accelerating the flow of the flue gas so as to accelerate the evaporation of water in the flue gas;
the dust treatment unit includes:
the dust treatment box is arranged at the bottom of the box body;
the dry fog spray head is arranged in the dust treatment box and is used for removing dust in the detected flue gas;
the drainage channel is connected with the dust treatment box and is used for discharging sewage after the flue gas is treated;
the control unit comprises an acquisition module, a processing module and a control module.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the acquisition module is used for acquiring the humidity information delta G of the flue gas in real time, and the control module is used for controlling the drying unit;
the processing module is used for setting a humidity preset value G0 of standard smoke, and is also used for setting a humidity difference value G1 of the first preset smoke, a humidity difference value G2 of the second preset smoke, a humidity difference value G3 of the third preset smoke and a humidity difference value G4 of the fourth preset smoke, wherein G1 is more than G2 is less than G3 and less than G4; the processing module is also used for setting a first preset working condition matrix A1 (A1, b1 and c 1), a second preset working condition matrix A2 (A2, b2 and c 2), a third preset working condition matrix A3 (A3, b3 and c 3) and a fourth preset working condition matrix A4 (A4, b4 and c 4), wherein A1-A4 are sequentially from a first preset heating temperature to a fourth preset heating temperature, A1 is more than A2 and less than A3 and less than A4, b 1-b 4 are sequentially from a first preset heating time to a fourth preset heating time, b1 is more than b2 and less than b3 and less than b4, c 1-c 4 are sequentially from a first preset fan rotating speed to a fourth preset fan rotating speed, c1 is more than c2 and less than c3 and less than c4;
selecting a preset working condition matrix A as the working condition of the drying unit according to the difference value between the humidity information delta G of the flue gas and a humidity preset value G0 of the set standard flue gas;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the drying unit;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the drying unit;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the drying unit;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the drying unit;
when the i-th preset working condition matrix Ai is selected as the working condition of the drying unit, the control module controls the electric heating wire to work at the i-th preset heating temperature Ai, the control module also controls the electric heating wire to work at the i-th preset heating duration bi, and meanwhile, the control module also controls the fan to work at the i-th preset fan rotating speed ci, wherein i=1, 2,3 and 4.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the processing module is also used for setting the temperature T1 of the first preset air box, the temperature T2 of the second preset air box, the temperature T3 of the third preset air box and the temperature T4 of the fourth preset air box, wherein T1 is more than T2 and less than T3 and less than T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and m2 is more than 3 and m4 is more than 1;
the collecting module is further configured to collect a temperature Δt of the bellows in real time, and the processing module is further configured to select, when the ith preset working condition matrix Ai is selected as the working condition of the drying unit, a preset correction coefficient according to a relationship between the temperature Δt of the bellows in real time and the temperature Ti of each preset bellows, so as to correct the working condition in the ith preset working condition matrix Ai:
when DeltaT is less than or equal to T1, the working condition in the ith preset working condition matrix Ai is not corrected;
when T1 < [ delta ] T is less than or equal to T2, selecting the first preset correction coefficient m1 to correct Ai, wherein Ai (Ai m1, bi m1, ci m 1) is obtained after correction;
when T2 < [ delta ] T is less than or equal to T3, selecting the second preset correction coefficient m2 to correct Ai, wherein Ai (Ai m2, bi m2, ci m 2) is obtained after correction;
when T3 < DELTAT is less than or equal to T4, selecting the third preset correction coefficient m3 to correct Ai, wherein Ai (Ai m3, bi m3, ci m 3) is obtained after correction;
when T4 < [ delta ] T, the fourth preset correction coefficient m4 is selected to correct Ai, and Ai (Ai ] m4, bi ] m4, ci ] m4 is obtained after correction.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the collecting module is also used for collecting dust concentration information DeltaS detected by the dust detecting unit in real time, and the control module is used for controlling the dust treatment unit;
the collecting module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is more than v2 is less than S3 and less than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially the first to fourth preset injection amounts, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially the first to fourth preset injection periods, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as the working condition of the dust suppression device according to the difference value between dust concentration information delta S and a preset value S0 of the set standard dust concentration;
when DeltaS-S0 is less than or equal to g1, selecting the first preset working condition matrix W1 as the working condition of the dust suppression device;
when S1 < [ delta ] S-S0 is less than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust suppression device;
when S2 < [ delta ] S-S0 is less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust suppression device;
when S3 < [ delta ] S-S0 is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust suppression device;
when the ith preset working condition matrix Wi is selected as the working condition of the dust suppression device, the control module controls the dry fog spray head to work with the ith preset spraying amount di, and the spraying duration of the dry fog spray head is set to be the ith preset spraying duration ei, i=1, 2,3 and 4.
In an embodiment of the present application, there is provided a dust meter for an environment-friendly flue gas emission monitoring system, the dust meter further comprising:
the sampling channel is arranged on the side wall of the box body and connected with one side of the air box, and the sampling channel is used for collecting smoke;
the ventilating duct is arranged in the box body and connected with the other side of the air box, and the ventilating duct is used for conveying the detected flue gas;
and the air pump is arranged on the ventilating duct and is used for sucking the flue gas outside the box body into the box body.
In an embodiment of the present application, there is provided a dust meter for an environment-friendly flue gas emission monitoring system, the dust detection unit includes:
the dust induction rod is arranged in the air box and is used for collecting dust in the air box;
and the concentration analysis device is connected with the dust sensing rod and used for analyzing and outputting the dust concentration in the flue gas.
In the embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided, wherein an air inlet area, a drying area and a detection area are sequentially arranged on an air box;
a humidity sensor is arranged in the air inlet area and is used for detecting the humidity of the flue gas;
a temperature sensor is arranged in the drying unit and is used for detecting the temperature of the bellows;
the dust sensing rod is disposed within the detection zone.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the dust concentration display device is characterized in that a display device is arranged on the outer wall of the box body and used for displaying dust concentration values.
Compared with the prior art, the dust meter for the environment-friendly smoke emission monitoring system has the beneficial effects that:
according to the invention, the moisture in the smoke to be detected is eliminated, the error of dust concentration detection is reduced, the accuracy of dust concentration detection is improved, and the detected smoke is treated and then discharged, so that the smoke detection device is environment-friendly.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a drying unit of a dust meter for an environment-friendly flue gas emission monitoring system in an embodiment of the invention;
FIG. 2 is a schematic view showing the appearance of a drying unit of a dust meter for an environment-friendly flue gas emission monitoring system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the control of a dust meter for an environmental protection type fume emission monitoring system in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a control unit of a dust meter for an environmental protection type fume emission monitoring system in an embodiment of the present invention;
in the figure, 1, a box body; 2. a wind box; 3. heating wires; 4. a fan; 5. a dust treatment box; 6. A dry mist spray head; 7. a drainage channel; 8. a control unit; 9. a sampling channel; 10. an air duct; 11. An air extracting pump; 12. a dust sensing rod; 13. a concentration analysis device; 14. a humidity sensor; 15. A temperature sensor; 16. a display device.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In an embodiment of the present application, there is provided a dust meter for an environment-friendly flue gas emission monitoring system, including:
the box body 1 is of a rectangular cavity structure;
the air box 2 is arranged in the box body 1 and is used for treating and detecting dust in the flue gas;
the drying unit is arranged in the air box 2 and is used for drying the flue gas;
the dust detection unit is arranged in the box body 1 and is used for detecting the dust concentration in the flue gas;
the dust treatment unit is arranged in the box body 1 and is used for treating the detected flue gas;
and a control unit 8, which is arranged in the box body 1 and is used for controlling the operation of the drying unit, the dust detection unit and the dust treatment unit.
Further, by eliminating the water in the flue gas to be detected, the error of dust concentration detection is reduced, the accuracy of dust concentration detection is improved, and the detected flue gas is treated and discharged, so that the method is environment-friendly.
In the embodiment of the application, provided is a dust appearance for environmental protection type flue gas emission monitoring system, stoving unit includes:
the heating wire 3 is circumferentially arranged in the bellows 2 and is used for removing moisture in the flue gas;
the fan 4 is arranged in the air box 2 and used for accelerating the flow of the flue gas so as to accelerate the evaporation of water in the flue gas;
the dust treatment unit includes:
the dust treatment box 5 is arranged at the bottom of the box body 1;
the dry fog spray head 6 is arranged in the dust treatment box 5 and is used for removing dust in the detected flue gas;
the drainage channel 7 is connected with the dust treatment box 5 and is used for discharging sewage after the flue gas is treated;
the control unit 8 comprises an acquisition module, a processing module and a control module.
Further, the collection module is electrically connected with the temperature sensor 15, the humidity detection unit and the dust detection unit.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the acquisition module is used for acquiring the humidity information delta G of the flue gas in real time, and the control module is used for controlling the drying unit;
the processing module is used for setting a humidity preset value G0 of standard smoke, and is also used for setting a humidity difference value G1 of the first preset smoke, a humidity difference value G2 of the second preset smoke, a humidity difference value G3 of the third preset smoke and a humidity difference value G4 of the fourth preset smoke, wherein G1 is more than G2 is less than G3 and less than G4; the processing module is also used for setting a first preset working condition matrix A1 (A1, b1 and c 1), a second preset working condition matrix A2 (A2, b2 and c 2), a third preset working condition matrix A3 (A3, b3 and c 3) and a fourth preset working condition matrix A4 (A4, b4 and c 4), wherein A1-A4 are sequentially from a first preset heating temperature to a fourth preset heating temperature, A1 is more than A2 and less than A3 and less than A4, b 1-b 4 are sequentially from a first preset heating time to a fourth preset heating time, b1 is more than b2 and less than b3 and less than b4, c 1-c 4 are sequentially from a first preset fan 4 rotating speed to a fourth preset fan 4, c1 is more than c2 and less than c3 and less than c4;
selecting a preset working condition matrix A as the working condition of the drying unit according to the difference value between the humidity information delta G of the flue gas and a humidity preset value G0 of the set standard flue gas;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the drying unit;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the drying unit;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the drying unit;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the drying unit;
when the i-th preset operating condition matrix Ai is selected as an operating condition of the drying unit, the control module controls the heating wire 3 to operate at the i-th preset heating temperature Ai, the control module further controls the heating wire 3 to operate at the i-th preset heating duration bi, and simultaneously, the control module further controls the fan 4 to operate at the i-th preset fan 4 rotating speed ci, i=1, 2,3,4.
Further, since moisture in the flue gas can influence the detection result of the dust concentration, removing the moisture can improve the accuracy of the detection result of the dust concentration, and the drying unit adjusts the working conditions of the heating wire 3 and the fan 4 according to the moisture content in the flue gas, so as to reduce the consumption of energy.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the processing module is also used for setting the temperature T1 of the first preset air box 2, the temperature T2 of the second preset air box 2, the temperature T3 of the third preset air box 2 and the temperature T4 of the fourth preset air box 2, wherein T1 is more than T2 and less than T3 and less than T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and m2 is more than 3 and m4 is more than 1;
the collecting module is further configured to collect the temperature Δt of the bellows 2 in real time, and the processing module is further configured to select, when the ith preset operating condition matrix Ai is selected as the operating condition of the drying unit, a preset correction coefficient according to a relationship between the temperature Δt of the real-time bellows 2 and the temperature Ti of each preset bellows 2, so as to correct the operating condition in the ith preset operating condition matrix Ai:
when DeltaT is less than or equal to T1, the working condition in the ith preset working condition matrix Ai is not corrected;
when T1 < [ delta ] T is less than or equal to T2, selecting the first preset correction coefficient m1 to correct Ai, wherein Ai (Ai m1, bi m1, ci m 1) is obtained after correction;
when T2 < [ delta ] T is less than or equal to T3, selecting the second preset correction coefficient m2 to correct Ai, wherein Ai (Ai m2, bi m2, ci m 2) is obtained after correction;
when T3 < DELTAT is less than or equal to T4, selecting the third preset correction coefficient m3 to correct Ai, wherein Ai (Ai m3, bi m3, ci m 3) is obtained after correction;
when T4 < [ delta ] T, the fourth preset correction coefficient m4 is selected to correct Ai, and Ai (Ai ] m4, bi ] m4, ci ] m4 is obtained after correction.
Further, since an error occurs in the operation of the drying unit, whether the drying unit reaches a normal working condition is judged according to the temperature of the bellows 2, so that the drying unit is adjusted to maintain the normal working condition.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
the collecting module is also used for collecting dust concentration information DeltaS detected by the dust detecting unit in real time, and the control module is used for controlling the dust treatment unit;
the collecting module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is more than v2 is less than S3 and less than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially the first to fourth preset injection amounts, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially the first to fourth preset injection periods, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as the working condition of the dust suppression device according to the difference value between dust concentration information delta S and a preset value S0 of the set standard dust concentration;
when DeltaS-S0 is less than or equal to g1, selecting the first preset working condition matrix W1 as the working condition of the dust suppression device;
when S1 < [ delta ] S-S0 is less than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust suppression device;
when S2 < [ delta ] S-S0 is less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust suppression device;
when S3 < [ delta ] S-S0 is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust suppression device;
when the ith preset working condition matrix Wi is selected as the working condition of the dust suppression device, the control module controls the dry mist spray head 6 to work with the ith preset spraying amount di, and sets the spraying duration of the dry mist spray head 6 to be the ith preset spraying duration ei, i=1, 2,3,4.
Further, the dust treatment unit adjusts the working condition of the dry fog spray head 6 according to the dust content in the flue gas so as to reduce the consumption of energy.
In an embodiment of the present application, there is provided a dust meter for an environment-friendly flue gas emission monitoring system, the dust meter further comprising:
the sampling channel 9 is arranged on the side wall of the box body 1 and connected with one side of the air box 2, and the sampling channel 9 is used for collecting smoke;
the ventilation channel 10 is arranged in the box body 1 and connected with the other side of the air box 2, and the ventilation channel 10 is used for conveying detected flue gas;
and the air pump 11 is arranged on the air duct 10 and is used for sucking the flue gas outside the box body 1 into the box body 1.
In an embodiment of the present application, there is provided a dust meter for an environment-friendly flue gas emission monitoring system, the dust detection unit includes:
the dust sensing rod 12 is arranged in the air box 2 and is used for collecting dust in the air box 2;
and the concentration analysis device 13 is connected with the dust sensing rod 12 and is used for analyzing and outputting the dust concentration in the flue gas.
In the embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided, wherein the air box 2 is sequentially provided with an air inlet area, a drying area and a detection area;
a humidity sensor 14 is arranged in the air inlet area, and the humidity sensor 14 is used for detecting the humidity of the flue gas;
a temperature sensor 15 is arranged in the drying unit, and the temperature sensor 15 is used for detecting the temperature of the bellows 2;
the dust sensing rod 12 is disposed within the detection zone.
In an embodiment of the application, a dust meter for an environment-friendly smoke emission monitoring system is provided,
a display device 16 is arranged on the outer wall of the box body 1, and the display device 16 is used for displaying the dust concentration value.
In summary, the embodiment of the invention provides a dust meter for an environment-friendly smoke emission monitoring system, which comprises a box body 1; the air box 2 is arranged in the box body 1 and is used for treating and detecting dust in the flue gas; the drying unit is arranged in the air box 2 and is used for drying the flue gas; the dust detection unit is arranged in the box body 1 and is used for detecting the dust concentration in the flue gas; the dust treatment unit is arranged in the box body 1 and is used for treating the detected flue gas; a control unit 8, which is arranged in the box body 1 and is used for controlling the operation of the drying unit, the dust detection unit and the dust treatment unit; according to the invention, the moisture in the smoke to be detected is eliminated, the error of dust concentration detection is reduced, the accuracy of dust concentration detection is improved, and the detected smoke is treated and then discharged, so that the smoke detection device is environment-friendly.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an environment-friendly dust appearance for flue gas emission monitoring system which characterized in that includes:
a case;
the air box is arranged in the box body and is used for treating and detecting dust in the flue gas;
the drying unit is arranged in the air box and is used for drying the flue gas;
the dust detection unit is arranged in the box body and is used for detecting the dust concentration in the flue gas;
the dust treatment unit is arranged in the box body and is used for treating the detected flue gas;
the control unit is arranged in the box body and used for controlling the operation of the drying unit, the dust detection unit and the dust treatment unit;
the drying unit includes:
the heating wire is arranged in the bellows in a surrounding manner and is used for removing moisture in the flue gas;
the fan is arranged in the air box and used for accelerating the flow of the flue gas so as to accelerate the evaporation of water in the flue gas;
the dust treatment unit includes:
the dust treatment box is arranged at the bottom of the box body;
the dry fog spray head is arranged in the dust treatment box and is used for removing dust in the detected flue gas;
the drainage channel is connected with the dust treatment box and is used for discharging sewage after the flue gas is treated;
the control unit comprises an acquisition module, a processing module and a control module;
the acquisition module is used for acquiring the humidity information delta G of the flue gas in real time, and the control module is used for controlling the drying unit;
the processing module is used for setting a humidity preset value G0 of standard smoke, and is also used for setting a humidity difference value G1 of the first preset smoke, a humidity difference value G2 of the second preset smoke, a humidity difference value G3 of the third preset smoke and a humidity difference value G4 of the fourth preset smoke, wherein G1 is more than G2 is less than G3 and less than G4; the processing module is further used for setting a first preset working condition matrix A1 (A1, b1 and c 1), a second preset working condition matrix A2 (A2, b2 and c 2), a third preset working condition matrix A3 (A3, b3 and c 3) and a fourth preset working condition matrix A4 (A4, b4 and c 4), wherein A1-A4 are sequentially from a first preset heating temperature to a fourth preset heating temperature, A1-A2 < A3 < A4, b 1-b 4 are sequentially from a first preset heating time to a fourth preset heating time, b 1-b 2 < b3 < b4, c 1-c 4 are sequentially from a first preset fan rotating speed to a fourth preset fan rotating speed, c 1-c 2 < c3 < c4;
selecting a preset working condition matrix A as the working condition of the drying unit according to the difference value between the humidity information delta G of the flue gas and a humidity preset value G0 of the set standard flue gas;
when delta G-G0 is less than or equal to G1, selecting the first preset working condition matrix A1 as the working condition of the drying unit;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset working condition matrix A2 as the working condition of the drying unit;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset working condition matrix A3 as the working condition of the drying unit;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset working condition matrix A4 as the working condition of the drying unit;
when the i-th preset working condition matrix Ai is selected as the working condition of the drying unit, the control module controls the electric heating wire to work at the i-th preset heating temperature Ai, the control module also controls the electric heating wire to work at the i-th preset heating duration bi, and meanwhile, the control module also controls the fan to work at the i-th preset fan rotating speed ci, wherein i=1, 2,3,4;
the processing module is also used for setting the temperature T1 of the first preset air box, the temperature T2 of the second preset air box, the temperature T3 of the third preset air box and the temperature T4 of the fourth preset air box, wherein T1 is more than T2 and less than T3 and less than T4; the processing module is also used for setting a first preset correction coefficient m1, a second preset correction coefficient m2, a third preset correction coefficient m3 and a fourth preset correction coefficient m4, wherein m1 is more than 0.8 and m2 is more than 3 and m4 is more than 1;
the collecting module is further configured to collect a temperature Δt of the bellows in real time, and the processing module is further configured to select, when the ith preset working condition matrix Ai is selected as the working condition of the drying unit, a preset correction coefficient according to a relationship between the temperature Δt of the bellows in real time and the temperature Ti of each preset bellows, so as to correct the working condition in the ith preset working condition matrix Ai:
when DeltaT is less than or equal to T1, the working condition in the ith preset working condition matrix Ai is not corrected;
when T1 < DELTAT is less than or equal to T2, selecting the first preset correction coefficient m1 to correct Ai, wherein Ai (Ai, bi, ci, m 1) is obtained after correction;
when T2 < DELTAT is less than or equal to T3, selecting the second preset correction coefficient m2 to correct Ai, wherein Ai (Ai x m2, bi x m2, ci x m 2) is obtained after correction;
when T3 < DELTAT is less than or equal to T4, selecting the third preset correction coefficient m3 to correct Ai, wherein Ai (Ai x m3, bi x m3, ci x m 3) is obtained after correction;
when T4 < Δt, selecting the fourth preset correction coefficient m4 to correct Ai, where Ai is Ai (ai×m4, bi×m4, ci×m4).
2. The dust meter for an environment-friendly flue gas emission monitoring system according to claim 1, wherein,
the collecting module is also used for collecting dust concentration information DeltaS detected by the dust detecting unit in real time, and the control module is used for controlling the dust treatment unit;
the collecting module is used for setting a standard dust concentration preset value S0, and is also used for setting a first preset dust concentration difference value S1, a second preset dust concentration difference value S2, a third preset dust concentration difference value S3 and a fourth preset dust concentration difference value S4, wherein S1 is more than v2 is less than S3 and less than S4; the processing module is further used for setting a first preset working condition matrix W1 (d 1, e 1), a second preset working condition matrix W2 (d 2, e 2), a third preset working condition matrix W3 (d 3, e 3) and a fourth preset working condition matrix W4 (d 4, e 4), wherein d 1-d 4 are sequentially the first to fourth preset injection amounts, d1 is more than d2 and less than d3 and less than d4, e 1-e 4 are sequentially the first to fourth preset injection periods, e1 is more than e2 and less than e3 and less than e4;
selecting a preset working condition matrix A as the working condition of the dust treatment unit according to the difference value between dust concentration information delta S and a preset value S0 of the set standard dust concentration;
when DeltaS-S0 is less than or equal to g1, selecting the first preset working condition matrix W1 as the working condition of the dust treatment unit;
when S1 < [ delta ] S-S0 is less than or equal to S2, selecting the second preset working condition matrix W2 as the working condition of the dust treatment unit;
when S2 < [ delta ] S-S0 is less than or equal to S3, selecting the third preset working condition matrix W3 as the working condition of the dust treatment unit;
when S3 < [ delta ] S-S0 is less than or equal to S4, selecting the fourth preset working condition matrix W4 as the working condition of the dust treatment unit;
when the ith preset working condition matrix Wi is selected as the working condition of the dust treatment unit, the control module controls the dry fog spray head to work with the ith preset spraying amount di, and the spraying duration of the dry fog spray head is set to be the ith preset spraying duration ei, i=1, 2,3 and 4.
3. The dust meter for an environmental protection type fume emission monitoring system according to claim 1, further comprising:
the sampling channel is arranged on the side wall of the box body and connected with one side of the air box, and the sampling channel is used for collecting smoke;
the ventilating duct is arranged in the box body and connected with the other side of the air box, and the ventilating duct is used for conveying the detected flue gas;
and the air pump is arranged on the ventilating duct and is used for sucking the flue gas outside the box body into the box body.
4. The dust meter for an environment-friendly flue gas emission monitoring system according to claim 1, wherein the dust detection unit comprises:
the dust induction rod is arranged in the air box and is used for collecting dust in the air box;
and the concentration analysis device is connected with the dust sensing rod and used for analyzing and outputting the dust concentration in the flue gas.
5. The dust meter for an environment-friendly flue gas emission monitoring system according to claim 4, wherein the air box is sequentially provided with an air inlet area, a drying area and a detection area;
a humidity sensor is arranged in the air inlet area and is used for detecting the humidity of the flue gas;
a temperature sensor is arranged in the drying unit and is used for detecting the temperature of the bellows;
the dust sensing rod is disposed within the detection zone.
6. The dust meter for an environment-friendly flue gas emission monitoring system according to claim 1, wherein,
the dust concentration display device is characterized in that a display device is arranged on the outer wall of the box body and used for displaying dust concentration values.
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| CN101507893A (en) * | 2009-02-19 | 2009-08-19 | 济南高新开发区中泰环保技术开发中心 | Dehydration method of humid flue gas in wet-method dust removal and desulfurization process |
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| CN115475494A (en) | 2022-12-16 |
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