CN116679010A - Ultralow-concentration intelligent monitoring device for discharged gaseous pollutants of thermal power plant - Google Patents
Ultralow-concentration intelligent monitoring device for discharged gaseous pollutants of thermal power plant Download PDFInfo
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- CN116679010A CN116679010A CN202310698143.3A CN202310698143A CN116679010A CN 116679010 A CN116679010 A CN 116679010A CN 202310698143 A CN202310698143 A CN 202310698143A CN 116679010 A CN116679010 A CN 116679010A
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- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 21
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 21
- 238000012806 monitoring device Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 239000000428 dust Substances 0.000 claims abstract description 25
- 229920000557 Nafion® Polymers 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 17
- 239000003546 flue gas Substances 0.000 description 15
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0059—Avoiding interference of a gas with the gas to be measured
- G01N33/006—Avoiding interference of water vapour with the gas to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0068—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a computer specifically programmed
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
- G01N33/0075—Control unit therefor for multiple spatially distributed sensors, e.g. for environmental monitoring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an ultralow-concentration intelligent monitoring device for gaseous pollutants discharged by a thermal power plant, which comprises a heating sleeve, a controller, a dust sensor, a gas sensor, a filtering device, a nafion drying pipe and an air pump, wherein the controller is connected with the dust sensor, the gas sensor, a comparison unit, the heating sleeve, a wireless communication module and the air pump through signals, smoke of the thermal power plant is sucked into the heating sleeve through the air pump, the dust sensor monitors dust data, the filtering device is used for filtering dust, the dust is prevented from affecting the work of the gas sensor, the heating sleeve is used for preventing water vapor in the smoke from liquefying, meanwhile, the nafion drying pipe is used for separating the water vapor from the rest components of the smoke, the gas sensor is used for monitoring the concentration of the rest components of the smoke, and the data is transmitted to a monitoring center through the cooperation of the controller and the wireless communication module.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to an ultralow-concentration intelligent monitoring device for gaseous pollutants discharged by a thermal power plant.
Background
The emission of gaseous pollutants from thermal power plants is a large industrial pollution source which is of great concern in China, and along with the development of the electric power industry in China, high-parameter and large-capacity thermal power units are put into operation successively, so that the environmental pollution problem caused by the emission of flue gas from the thermal power plants becomes an increasingly important problem. The discharged gaseous pollutants of the thermal power plant mainly comprise harmful gas components such as sulfur dioxide, nitrogen dioxide, carbon monoxide and the like, seriously pollute the air quality and endanger the health of human beings. At present, a common flue gas online monitoring system is used for monitoring, and a cold dry method is used for monitoring the flue gas, however, the method is mainly difficult in that the loss of the detected components in the flue gas is caused, because the flue gas contains moisture, in the process of converting water vapor from a gas state to a liquid state, the liquid state water can be dissolved and chemically reacted with the flue gas components to be measured, so that the loss of the gas to be measured is caused, the concentration is reduced, and the error of measured data is larger.
Disclosure of Invention
The invention aims to provide an ultralow-concentration intelligent monitoring device for gaseous pollutants discharged by a thermal power plant, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an ultralow concentration intelligent monitoring device of thermal power plant emission gaseous pollutant, includes heating sleeve and controller, dust sensor and gas sensor are installed respectively to heating sleeve's inner chamber left and right sides, the sealed grafting in inner chamber middle part left side has filter equipment, heating sleeve's inner chamber middle part right side interval seals coaxial arrangement has a pair of first gas collecting cover, two install the nafion drying tube between the first gas collecting cover, heating sleeve's right port seal welding has the second gas collecting cover, the outer end seal of second gas collecting cover is fixed with the cell steel section, install the communicating air pump of with the second gas collecting cover in the cell steel section, the right-angle pipe is installed to the end of giving vent to anger of air pump, the outer end of right-angle pipe is through three-way pipe installation buckle tube and first solenoid valve, install the second solenoid valve on the buckle tube, the utility model discloses a filter device, including heating sleeve, first gas collecting hood, nafion drying tube, air inlet pipe, third solenoid valve, filter device inner chamber, fourth solenoid valve, air outlet hole, controller signal connection has first temperature sensor, second temperature sensor, dust sensor, gas sensor, contrast unit, heating sleeve, wireless communication module and air pump, the controller electricity is connected with first remote switch, first remote switch electricity is connected with the commercial power module, the commercial power module electricity is connected with second remote switch, second remote switch electricity is connected with first solenoid valve, the other side of cavity bottom that heating sleeve, first gas collecting hood and nafion drying tube constitute is provided with the venthole of taking the filter screen, A second solenoid valve, a third solenoid valve and a fourth solenoid valve.
Preferably, the inverted L-shaped plate is fixed on the front and back of the bottom of the outer wall of the heating sleeve through bolts, and the triangular plate is fixedly welded in the inverted L-shaped plate.
Preferably, the first temperature sensor and the second temperature sensor are respectively arranged in the smoke outlet and the heating sleeve cavity.
Preferably, the heating sleeve comprises a stainless steel horizontal pipe, a plurality of 8-shaped mounting grooves are formed in the stainless steel horizontal pipe at equal intervals along the axial direction from the end face inwards, rectangular openings communicated with the 8-shaped mounting grooves are formed in the inner wall of the stainless steel horizontal pipe, a heat insulation porcelain pipe is inserted in the outer side of the 8-shaped mounting grooves, and an electric heating wire which is located the inner side of the 8-shaped mounting grooves and arranged in the inner cavity of the rectangular opening is fixed on the heat insulation porcelain pipe and connected with the controller through a driving module.
Preferably, the filtering device comprises a square hole circular plate fixed in the inner cavity of the heating sleeve, a rectangular box penetrating through the heating sleeve is fixedly connected to the inner side of the square hole circular plate, a vent hole opposite to the square hole circular plate is formed in the upper right side of the rectangular box, a grid plate is arranged at the bottom of the rectangular box through a stepped through hole and a screw, a bending plate is fixed between the square hole circular plate and the bottom of the inner cavity of the vent hole, a horizontal partition plate is fixed below the inner cavity of the rectangular box, a filter bag is arranged on the horizontal partition plate through a vertical pipe with a fifth electromagnetic valve, the fifth electromagnetic valve is electrically connected with a second remote control switch, a low-speed motor is arranged between the inner end of one of the four transmission rollers and the rectangular box in a rectangular rotating mode, a high-temperature resistant filter screen connected end to end is sleeved between the four transmission rollers, the outer side of the high-temperature resistant filter screen is attached to the inner side of the square hole circular plate and the bottom of the square hole circular plate and is located above the filter bag, the inner end of the pipe opposite to the filter bag is arranged above the filter bag, a filter bag is connected with a flow rate controller signal sensor connected with the inner wall of the vent hole, and the low-speed controller is connected with the second remote control switch.
Preferably, a sub-blower is arranged at the bottom of the inner end of the bending pipe.
Preferably, a dustproof felt attached to the outer surface of the high-temperature resistant filter screen is embedded in the inner side of the square hole circular plate.
Compared with the prior art, the invention has at least the following beneficial technical effects:
according to the invention, the air pump is used for sucking the smoke of the thermal power plant into the heating sleeve, the dust sensor is used for monitoring dust data, the filtering device is used for filtering dust, the dust is prevented from influencing the operation of the gas sensor, the heating sleeve is used for preventing the water vapor in the smoke from liquefying, meanwhile, the nafion drying pipe is used for separating the water vapor from the rest of the smoke, the gas sensor is used for monitoring the concentration of the rest of the smoke, and the data is transmitted to the monitoring center through the cooperation of the controller and the wireless communication module.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a control schematic diagram of the present invention;
FIG. 3 is a left side view of the heating sleeve of FIG. 1;
FIG. 4 is a partial left side view of the filter assembly of FIG. 1;
fig. 5 is a longitudinal cross-sectional view of the filter device of fig. 1.
In the drawings, the list of components represented by the various numbers is as follows:
1-heating sleeve, 2-dust sensor, 3-filter equipment, 4-first gas collecting hood, 5-nafion drying pipe, 6-gas sensor, 7-second gas collecting hood, 8-groove steel section, 9-air pump, 10-right angle pipe, 11-kink pipe, 12-intake pipe, 13-venthole, 14-first solenoid valve, 15-second solenoid valve, 16-third solenoid valve, 17-fourth solenoid valve, 18-reverse L template, 19-set square, 100-stainless steel cross tube, 101-8 type mounting groove, 102-rectangular opening, 103-heat insulation porcelain pipe, 104-electric heating wire, 300-square hole circular plate, 301-rectangular box, 302-bleeder vent, 303-grid plate, 304-bent plate, 305-horizontal baffle, 306-filter bag, 307-transmission roller, 308-low speed motor, 309-high temperature resistant filter screen, 310-flow sensor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to 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 thus should not be construed as limiting the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: an intelligent monitoring device for ultralow concentration of discharged gaseous pollutants in a thermal power plant comprises a heating sleeve 1 and a controller, wherein a dust sensor 2 and a gas sensor 6 are respectively arranged on the left side and the right side of an inner cavity of the heating sleeve 1, a filtering device 3 is inserted in the left side of the middle part of the inner cavity of the heating sleeve 1 in a sealing way, a pair of first gas collecting hoods 4 are coaxially arranged on the right side of the middle part of the inner cavity of the heating sleeve 1 in a sealing way at intervals, a nafion drying pipe 5 is arranged between the two first gas collecting hoods 4, a second gas collecting hood 7 is welded on the right end port of the heating sleeve 1 in a sealing way, a groove steel section 8 is fixed on the outer end of the second gas collecting hood 7 in a sealing way, an air pump 9 communicated with the second gas collecting hood 7 is arranged in the groove steel section 8, a right-angle pipe 10 is arranged at the air outlet end of the air pump 9, a bending pipe 11 and a first electromagnetic valve 14 are arranged at the outer end of the right-angle pipe 10 through a three-way pipe, a second electromagnetic valve 15 is arranged on the bending pipe 11, an air inlet pipe 12 communicated with a cavity formed by the heating sleeve 1, the first gas collecting hood 4 and the nafion drying pipe 5 is arranged in the middle of the bending pipe 11 through a three-way pipe, a third electromagnetic valve 16 is arranged on the air inlet pipe 12, the other end of the bending pipe 11 extends to the inner cavity of the filtering device 3, a fourth electromagnetic valve 17 is arranged on the bending pipe 11 between the filtering device 3 and the three-way pipe, an air outlet hole 13 with a filter screen is arranged at the other side of the bottom of the cavity formed by the heating sleeve 1, the first gas collecting hood 4 and the nafion drying pipe 5, a controller is in signal connection with a first temperature sensor, a second temperature sensor, a dust sensor 2, a gas sensor 6, a comparison unit, the heating sleeve 1, a wireless communication module and an air pump 9, the controller is electrically connected with a first remote control switch, the first remote control switch is electrically connected with a mains supply module, the mains supply module is electrically connected with a second remote control switch, the second remote control switch is electrically connected with the first electromagnetic valve 14, A second solenoid valve 15, a third solenoid valve 16 and a fourth solenoid valve 17.
Wherein, all be fixed with through the bolt fastening around the outer wall bottom of heating tube 1 and fall L template 18, fall L template 18 internal fixation welding and have set square 19, set square 19 is used for supporting, fall L template 18 lateral wall passes through expansion bolts and thermal power plant chimney mouth or other mounting and installs the place that produces the flue gas at thermal power plant, first temperature sensor and second temperature sensor install respectively at the exhaust port and heating tube 1 inner chamber, it is notable that first temperature sensor's mounted position is according to the place final determination of actual need monitoring, the controller, contrast unit, first remote switch, second remote switch and wireless communication module are all embedded to be fixed in the bottom of channel steel section 8.
Referring to fig. 1 and 3, a heating sleeve 1 includes a stainless steel horizontal tube 100, a plurality of 8-shaped mounting slots 101 are uniformly and circularly arranged on the stainless steel horizontal tube 100 along the axial direction at intervals from the end surface inwards, a heat insulation porcelain tube 103 is inserted into the outer side of a rectangular opening 102,8-shaped mounting slot 100 communicated with the 8-shaped mounting slot 101, an electric heating wire 104 positioned on the inner side of the 8-shaped mounting slot 100 and arranged in the inner cavity of the rectangular opening 102 is fixed on the heat insulation porcelain tube 103, the electric heating wire 104 is connected with a controller through a driving module, the heat insulation porcelain tube 103 is used for wire penetration, and heat of the electric heating wire 104 is dissipated through the rectangular opening 102.
Referring to fig. 4 to 5, the filtering device 3 includes a square hole circular plate 300 fixed in the inner cavity of the heating sleeve 1, a rectangular box 301 penetrating through the heating sleeve 1 is fixed on the inner side of the square hole circular plate 300, an air vent 302 facing the square hole circular plate 300 is arranged above the right side of the rectangular box 301, a grid plate 303 is installed on the bottom of the rectangular box 301 through a stepped through hole and a screw, a bending plate 304 is fixed between the square hole circular plate 300 and the bottom of the inner cavity of the air vent 302, a horizontal partition plate 305 is fixed below the inner cavity of the rectangular box 301, a filter bag 306 is installed on the horizontal partition plate 305 through a vertical pipe with a fifth electromagnetic valve, the fifth electromagnetic valve is electrically connected with a second remote control switch, four transmission rollers 307 are installed on the left side of the inner cavity of the rectangular box 301 in a rectangular rotation mode, a low-speed motor 308 is installed between the inner end of one transmission roller 307 and the rectangular box 301, the high temperature resistant filter screen 309 connected end to end is sleeved between four transmission rollers 307, the outer side of the high temperature resistant filter screen 309 is attached to the inner side of the square hole circular plate 300, the bottom of the high temperature resistant filter screen 309 is located above the filter bag 306, a dustproof felt attached to the outer surface of the high temperature resistant filter screen 309 is embedded and installed on the inner side of the square hole circular plate 300, dust is prevented from overflowing from the periphery, the high temperature resistant filter screen 309 penetrates through the bending plate 304, the inner end of the bending tube 11 is opposite to the upper side of the filter bag 306, and a sub-blower is installed on the bottom of the inner end of the bending tube 11, so that air flow is blown to the high temperature resistant filter screen 309 in a large area, cleaning is achieved, meanwhile, a flow velocity sensor 310 connected with a controller signal is installed on the inner wall of the air hole 302, the controller is further connected with an alarm signal, and the second remote control switch is electrically connected with the low speed motor 308, and the sub-blower is specifically as follows: when the air pump 9 sucks air, dust is accumulated on the left high-temperature-resistant filter screen 309 through the square-hole circular plate 300, dust is accumulated, the suction air quantity is reduced, the flow rate sensor 310 is used for monitoring the air flow rate, the controller is matched with the comparison unit to monitor the flow rate, if the flow rate is reduced, the alarm gives an alarm, a worker is reminded to power the low-speed motor 308 by using the second remote control switch, friction force between the rotating transmission roller 307 and the high-temperature-resistant filter screen 309 makes the high-temperature-resistant filter screen 309 rotate, at the moment, the air pump 9 is closed, the clean high-temperature-resistant filter screen 309 on the surface is opposite to the square-hole circular plate 300 again, the first electromagnetic valve 14 and the third electromagnetic valve 16 are closed, the other electromagnetic valves and the air pump 9 are opened, air flow is blown to the inner side of the high-temperature-resistant filter screen 309 which is rotated to the lower surface through the bending tube 11, the dust enters the filter bag 306, and the filter bag 306 is cleaned by disassembling the grid plate 303.
When the intelligent monitoring device for ultralow concentration of the discharged gaseous pollutants of the thermal power plant is used, the device comprises: the gas sensor is characterized in that the gas sensor is integrally arranged at a place where flue gas is exhausted, flue gas of a thermal power plant is sucked into the heating sleeve 1 through the air pump 9, the dust sensor 2 is used for monitoring dust data, the filtering device 3 is used for filtering dust, the dust is prevented from influencing the operation of the gas sensor 6, the heating sleeve 1 is used for preventing the water vapor in the flue gas from liquefying, the nafion drying pipe 5 is used for separating the water vapor from other components of the flue gas, the process of converting the water vapor from gas to liquid is avoided, liquid water is not generated, the liquid water and the flue gas components needing to be measured are not dissolved and chemically reacted, the loss of the gas needing to be measured is not caused, the concentration is not reduced, the error of measured data is not large, the flue gas is not gathered by the gas collecting hood, the flue gas concentration is prevented from being too low to be monitored, the gas sensor 6 comprises a plurality of gaseous pollutant monitoring sensors such as sulfur dioxide, nitrogen dioxide and carbon monoxide, and the like, the concentration of the other flue gas components is used for monitoring, and the data is matched and transmitted to a monitoring center through the controller and a wireless communication module.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The utility model provides an ultralow concentration intelligent monitoring device of thermal power plant emission gaseous pollutant, its characterized in that includes heating sleeve (1) and controller, dust sensor (2) and gas sensor (6) are installed respectively to the inner chamber left and right sides of heating sleeve (1), sealed grafting in inner chamber middle part left side of heating sleeve (1) has filter equipment (3), a pair of first gas collecting cover (4) are installed to the inner chamber middle part right side interval seal coaxial of heating sleeve (1), two install nafion drying tube (5) between first gas collecting cover (4), the right-hand member port seal welding of heating sleeve (1) has second gas collecting cover (7), the outer end seal of second gas collecting cover (7) is fixed with channel section (8), install in channel section (8) with communicating air pump (9) of second gas collecting cover (7), right-angle pipe (10) are installed to the end of giving vent to anger of air pump (9), the outer end of right-angle pipe (10) is through three-way pipe (11) and first bending tube (14) and second electromagnetic valve (11) are installed to the outer end, and are installed through the electromagnetic valve (11) and are buckled and are passed through first electromagnetic valve (11) and are installed in the second gas collecting cover (4) and are connected with one another through the first electromagnetic valve (12), install third solenoid valve (16) on intake pipe (12), the other end of buckling pipe (11) extends to filter equipment (3) inner chamber and install fourth solenoid valve (17) on buckling pipe (11) between filter equipment (3) and the three-way pipe, cavity bottom opposite side that heating sleeve (1), first gas collecting channel (4) and nafion drying tube (5) constitute is provided with venthole (13) of taking the filter screen, controller signal connection has first temperature sensor, second temperature sensor, dust sensor (2), gas sensor (6), contrast unit, heating sleeve (1), wireless communication module and air pump (9), the controller electricity is connected with first remote switch, first remote switch electricity is connected with the commercial power module, the commercial power module electricity is connected with second remote switch, second remote switch electricity is connected with first solenoid valve (14), second solenoid valve (15), third solenoid valve (16) and fourth solenoid valve (17).
2. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged by a thermal power plant according to claim 1 is characterized in that inverted L-shaped plates (18) are fixed on the front and back of the bottom of the outer wall of the heating sleeve (1) through bolts.
3. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged from a thermal power plant according to claim 2, wherein a triangular plate (19) is fixedly welded in the inverted-L-shaped plate (18).
4. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged by a thermal power plant according to claim 1 is characterized in that the first temperature sensor and the second temperature sensor are respectively arranged in the smoke outlet and the inner cavity of the heating sleeve (1).
5. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged by a thermal power plant according to claim 1, wherein the heating sleeve (1) comprises a stainless steel transverse tube (100), a plurality of 8-shaped mounting grooves (101) are uniformly and circularly arranged on the stainless steel transverse tube (100) at intervals along the axial direction from the end face inwards, rectangular openings (102) communicated with the 8-shaped mounting grooves (101) are formed in the inner wall of the stainless steel transverse tube (100), heat insulation porcelain tubes (103) are inserted into the outer sides of the 8-shaped mounting grooves (100), electric heating wires (104) which are positioned on the inner sides of the 8-shaped mounting grooves (100) and are arranged in the inner cavities of the rectangular openings (102) are fixed on the heat insulation porcelain tubes (103), and the electric heating wires (104) are connected with a controller through a driving module.
6. The intelligent monitoring device for ultra-low concentration of discharged gaseous pollutants in a thermal power plant according to claim 1, wherein the filtering device (3) comprises a square hole circular plate (300) fixed in the inner cavity of the heating sleeve (1), a rectangular box (301) penetrating through the heating sleeve (1) is fixedly communicated with the inner side of the square hole circular plate (300), an air vent (302) opposite to the square hole circular plate (300) is arranged above the right side of the rectangular box (301), a grid plate (303) is arranged at the bottom of the rectangular box (301) through a stepped through hole and a screw, a bending plate (304) is fixed between the square hole circular plate (300) and the bottom of the inner cavity of the air vent (302), a horizontal partition plate (305) is fixed below the inner cavity of the rectangular box (301), a filter bag (306) is arranged on the horizontal partition plate (305) through a standpipe with a fifth electromagnetic valve, the fifth electromagnetic valve is electrically connected with a second remote control switch, four transmission rollers (307) are arranged on the left side upper and lower side of the inner cavity of the rectangular box (301) in a rotating mode, a filter bag (309) is arranged between the inner end of one of the rectangular box (307) and the filter bag (309) is arranged on the bottom of the filter bag (309) in a high-speed mode, and the filter bag (309) is connected with the filter bag (309) is arranged on the inner side of the filter bag, the high temperature resistant filter screen (309) runs through in the bending plate (304), the inner wall of bleeder vent (302) install with controller signal connection's velocity of flow sensor (310), low-speed motor (308) are connected to the second remote switch electricity.
7. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged from a thermal power plant according to claim 6, wherein the controller is further in signal connection with an alarm.
8. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged from a thermal power plant according to claim 6, wherein a sub-blower is arranged at the bottom of the inner end of the bent pipe (11).
9. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged from a thermal power plant according to claim 6, wherein a dustproof felt attached to the outer surface of the high-temperature-resistant filter screen (309) is embedded in the inner side of the square-hole circular plate (300).
10. The intelligent monitoring device for ultralow concentration of gaseous pollutants discharged from a thermal power plant according to claim 6, wherein the inner end of the bent pipe (11) is opposite to the upper part of the filter bag (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310698143.3A CN116679010A (en) | 2023-06-13 | 2023-06-13 | Ultralow-concentration intelligent monitoring device for discharged gaseous pollutants of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310698143.3A CN116679010A (en) | 2023-06-13 | 2023-06-13 | Ultralow-concentration intelligent monitoring device for discharged gaseous pollutants of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116679010A true CN116679010A (en) | 2023-09-01 |
Family
ID=87790580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310698143.3A Pending CN116679010A (en) | 2023-06-13 | 2023-06-13 | Ultralow-concentration intelligent monitoring device for discharged gaseous pollutants of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116679010A (en) |
-
2023
- 2023-06-13 CN CN202310698143.3A patent/CN116679010A/en active Pending
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