CN117761259A - A continuous monitoring device for flue gas emissions - Google Patents
A continuous monitoring device for flue gas emissions Download PDFInfo
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- CN117761259A CN117761259A CN202311842675.6A CN202311842675A CN117761259A CN 117761259 A CN117761259 A CN 117761259A CN 202311842675 A CN202311842675 A CN 202311842675A CN 117761259 A CN117761259 A CN 117761259A
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- flue gas
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Abstract
The invention discloses a continuous monitoring device for flue gas emission, which comprises an outer box body placed on the ground, wherein a protective door is rotatably installed on the front side of the outer box body by a hinge, a mounting plate with a display panel is fixedly installed on the front side of the inner part of the outer box body, an air inlet pipe is fixedly installed in a penetrating manner at the middle position of the upper end of the outer box body, flue gas is conveyed to the inside by the air inlet pipe, an exhaust pipe is fixedly installed on the side surface of the outer box body, a detection box is fixedly installed at the middle position of the inner part of the outer box body, and the detection box is communicated with the exhaust pipe. This continuous monitoring facilities of fume emission through setting up the shunt tubes, in the flue gas that gets into in the intake pipe can carry respectively to the inside two independent spaces of detection case through the shunt tubes, opens and closes the valve outside through the shunt tubes and make two independent spaces can use in turn to need not the device to shut down completely when overhauling one side of device, avoid the flue gas monitoring to appear one section blank period and leak to examine.
Description
Technical Field
The invention relates to the technical field of flue gas monitoring, in particular to continuous flue gas emission monitoring equipment.
Background
The flue gas is a byproduct generated in the industrial production process, and because some industrial production flue gas contains partial harmful substances and is directly discharged to pollute the environment, the flue gas needs to be purified during discharge, and the purified flue gas needs to be detected by using a monitoring device to ensure that the purification of the flue gas reaches the standard.
In the prior art, chinese patent with the authority of CN215375314U discloses a continuous monitoring device for flue gas emission, which comprises a bottom plate, wherein a boiler, an air extractor and a monitoring box are respectively and fixedly arranged at the top of the bottom plate, an air suction pipe is communicated between the boiler and the air extractor, an exhaust pipe is communicated between the air extractor and the monitoring box, a filter screen is arranged in the monitoring box, a placing groove is formed in the right side of an inner cavity of the monitoring box, a fixing plate is arranged in the placing groove, straight rods are welded on the upper part and the lower part of the fixing plate, and through grooves are formed in the upper part and the lower part of the placing groove; can protect monitoring probe, can also conveniently overhaul monitoring probe, and the strong advantage of practicality has solved current flue gas monitoring device, in the flue gas is arranged in for a long time to the in-process monitoring probe that uses, can adhere to more smoke and dust, and is inconvenient for maintain and change to influence the problem of monitoring result.
The device filters solid particles in the flue gas by using the filter screen in the using process, but in the actual using process, the particles are attached to the surface of the filter screen after being filtered, and the filter screen is easy to be blocked without cleaning, so that the flow of the flue gas is influenced.
And among the prior art, the chinese patent of grant bulletin number CN218995316U discloses fume emission continuous monitoring equipment, belongs to fume monitoring technical field, including the detection case, the diapire fixed mounting of detection case has two-way electric telescopic handle, the inner wall fixed mounting of detection case has fixed case, the extrusion hole has been seted up to one side that the fixed case is close to two-way electric telescopic handle, the inner chamber swing joint of detection case has elastic air bag. This continuous monitoring facilities of fume emission, through the cooperation adaptation in two-way electric telescopic handle, fixed box and extrusion hole, elasticity gasbag intermittent type nature receives the extrusion, rethread elasticity gasbag, intake pipe. The blast pipe, with the cooperation adaptation of filter screen, get into the inside flue gas of detecting tube and filter, great debris is filtered, and the rethread detects the cooperation adaptation of pipe and flue gas detection probe, carries out flue gas detection, further uses with the cooperation of collecting the basket through second electric telescopic handle, connecting block, cleaning brush, regularly automatic clearance intake pipe inside environment.
The device utilizes the detection sensor inside the detection tube to realize the purpose of flue gas monitoring in the use process, but in the actual use process, the detection tube of the device is only provided with one, so the device is in a shutdown state integrally after the detection tube is closed during overhauling or cleaning, and the monitoring of the flue gas can be in a blank period.
And among the prior art, the chinese patent of grant bulletin number CN219320238U discloses flue gas emission monitoring analysis instrument, including flue gas analysis cabinet, removal wheel and stable supporting mechanism, flue gas analysis cabinet includes the cabinet body and cabinet door, four removal wheels respectively fixed mounting in the four corners department of cabinet body bottom, and stable supporting mechanism includes the twin-screw to the screw rod, the equal threaded connection in twin-screw to the left and right sides has the removal seat, limit groove has been seted up to cabinet body lower surface, it is provided with the support backing plate to remove the seat below, support backing plate upper surface fixed mounting has two fixing bases to movable mounting has the bracing piece between fixing base and the removal seat. This flue gas emission monitoring analysis instrument has increased the area of contact of flue gas analysis cabinet with ground through setting up stable supporting mechanism, has guaranteed the structural stability of flue gas analysis cabinet, sets up the heat dissipation grid for give off the heat in the flue gas analysis cabinet to the external world, set up the dust screen, can block the inside that most dust in the air goes on the flue gas analysis cabinet.
The device flows in the internal flow of cabinet and detects through the sensor of foretell device in the in-process of using, but in actual use, often mix some greasy dirt materials in the flue gas, greasy dirt material adheres to the inner wall of the cabinet and is very inconvenient for clearing up.
Disclosure of Invention
The invention aims to provide continuous monitoring equipment for flue gas emission, which aims to solve the problems that in the background technology, a filter screen is blocked, a machine is stopped for maintenance, blank period occurs, and greasy dirt materials are inconvenient to clean.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fume emission continuous monitoring equipment, includes the outer box of placing subaerial, the guard gate is installed in outer box front side utilization hinge rotation, just the mounting panel that has display panel of outer box inside front side fixed mounting still includes:
an air inlet pipe is fixedly arranged at the middle position of the upper end of the outer box body in a penetrating manner, flue gas is conveyed to the inside by the air inlet pipe, an exhaust pipe is fixedly arranged on the side surface of the outer box body, a detection box is fixedly arranged at the middle position in the outer box body, and the detection box is communicated with the exhaust pipe;
a conveying air pump is fixedly arranged outside the exhaust pipe, a filter screen for filtering the flue gas is arranged inside the detection box, a brush cleaning mechanism for cleaning the filter screen is arranged above the filter screen, the surface of the filter screen is cleaned by utilizing the reciprocating scraping of the brush cleaning mechanism, an internal partition board is fixedly arranged in the detection box, the internal part of the detection box is divided into two parts by the internal partition board to alternately work, and a detection probe is fixedly arranged on the side surface of the detection box;
the cleaning device is characterized in that a flushing and cleaning mechanism is arranged on the outer surface of the inner partition plate inside the detection box, and cleaning liquid sprayed and heated by the flushing and cleaning mechanism is used for cleaning oil stains inside the detection box.
Preferably, the brush cleaning mechanism comprises a cleaning brush attached to the upper portion of the filter screen, and the side surface of the cleaning brush penetrates through the limiting slide rod in a sliding mode, and the cleaning brush slides left and right under the limiting effect of the limiting slide rod.
Preferably, the upper surface of the cleaning brush is rotatably provided with a first connecting rod, and the top end of the first connecting rod is rotatably provided with a second connecting rod.
Preferably, the bottom end of the second connecting rod is fixedly connected with the movable block, a penetrating sliding structure is formed between the two movable blocks and the detection box, the two movable blocks are respectively positioned in two independent spaces inside the detection box, and the detection box forms a communicating structure with the air inlet pipe through a shunt pipe at the top end of the detection box.
Preferably, an air blast air bag is fixedly arranged between the upper surface of the movable block and the inner wall of the detection box, a communication structure is formed between the air blast air bag and a high-pressure spray head fixedly arranged on the inner wall of the detection box through a connecting hose, and the positions of the high-pressure spray head and the detection probe correspond to each other.
Preferably, the dust-binding cloth made of double faced adhesive tape is stuck outside the movable block, and the movable block moves up and down through a transmission screw rod which is internally installed through threads.
Preferably, the bottom end of the transmission screw rod is coaxially and fixedly provided with a driven bevel gear for driving the transmission screw rod to rotate, the side surface of the driven bevel gear is connected with a driving bevel gear in a meshed mode, and the driving bevel gear is driven to rotate by a motor fixedly arranged in the outer box body.
Preferably, the flushing and cleaning mechanism inside the detection box comprises a storage box, a flushing spray head is fixedly arranged below the storage box in communication, and a heat exchange tube is fixedly arranged on the side surface of the storage box in a penetrating mode.
Preferably, the whole bending structure for increasing the contact area of the heat exchange tube is used for exchanging heat with the flue gas in the detection box.
Preferably, the inside laminating slip of bin is provided with the closing plate that promotes the water flow, the closing plate is moved between the export of heat exchange tube upper and lower both ends, just the closing plate passes through fixed connection between dead lever and the second connecting rod.
Compared with the prior art, the invention has the beneficial effects that: this fume emission continuous monitoring equipment adopts novel structural design, and its specific content is as follows:
1. through the arrangement of the shunt pipes, the flue gas entering the air inlet pipe can be respectively conveyed into two independent spaces inside the detection box through the shunt pipes, and the two independent spaces can be alternately used through the opening and closing of the valves outside the shunt pipes, so that the device is not required to be completely stopped when one side of the device is overhauled, and the condition that the flue gas monitoring is missed due to a blank period is avoided;
further, a filter screen is arranged in the detection box, the filter screen is used for filtering the entering smoke so as to remove the particulate impurities contained in the smoke, and the transmission screw is driven to rotate through transmission between the driving bevel gear and the driven bevel gear, so that the transmission screw drives the movable block to move up and down, and the movable block enters a space in use in the detection box;
further, the movable block moves upwards to squeeze the upper air-blowing air bag, and air in the air-blowing air bag is sprayed out of the pressurizing nozzle through the connecting hose, so that the detection probe is cleaned by utilizing high-speed flowing air flow, and the phenomenon that fine particles passing through the filter screen are attached to the surface of the detection probe to influence the overall detection accuracy is avoided;
still further, the movable block drives its upper surface fixed mounting's second connecting rod synchronous motion when reciprocating, and the top of second connecting rod promotes the head rod rotation this moment for the head rod drives the clearance brush and slides about under the direction effect of spacing slide bar, utilizes the clearance brush to clear up the upper surface of filter screen, avoids appearing the condition of jam in the follow-up use.
2. The inside bin that sets up at the detection case, the inside of bin stores the cleaning solution that is used for the removal greasy dirt, and the heat exchange tube is connected to the bin side, and the in-process that the second connecting rod reciprocated drives the closing plate through the dead lever and at the inside removal of bin to promote the cleaning solution and flow in the heat exchange tube, utilize the flue gas waste heat of detection incasement portion to heat the cleaning solution this moment, the cleaning solution decontamination effect of heating is better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the back of the outer case of the present invention;
FIG. 3 is a schematic diagram of the structure of the detection box of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the detection box according to the present invention;
FIG. 6 is a schematic diagram of a movable block transmission relationship structure according to the present invention;
FIG. 7 is a schematic view of a high pressure nozzle according to the present invention
FIG. 8 is a schematic view of the internal structure of the storage box according to the present invention;
FIG. 9 is a schematic diagram of the structure of the cleaning brush and the filter screen according to the present invention.
In the figure: 1. an outer case; 2. a protective door; 3. a mounting plate; 4. an air inlet pipe; 5. an exhaust pipe; 6. a conveying air pump; 7. a detection box; 8. a detection probe; 9. a filter screen; 10. cleaning a hairbrush; 11. a limit slide bar; 12. a first connecting rod; 13. a second connecting rod; 14. an inner partition; 15. a shunt; 16. a high pressure nozzle; 17. an air-blowing air bag; 18. a connecting hose; 19. a movable block; 20. dust sticking cloth; 21. a transmission screw rod; 22. a driven bevel gear; 23. a drive bevel gear; 24. a storage tank; 25. a heat exchange tube; 26. flushing the spray head; 27. a sealing plate; 28. and a fixing rod.
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.
Example 1
Referring to fig. 1-6, in order to solve the problem of shutdown during maintenance, the present invention provides the following technical scheme, by alternately working in left and right independent spaces, one side of the work is ensured without shutdown during maintenance, and specifically discloses: the outer box body 1 is placed on the ground, the front side of the outer box body 1 is rotatably provided with a protective door 2 by utilizing a hinge, the front side of the interior of the outer box body 1 is fixedly provided with a mounting plate 3 with a display panel, the middle position of the upper end of the outer box body 1 is fixedly provided with an air inlet pipe 4 in a penetrating way, the air inlet pipe 4 is utilized to convey flue gas to the interior, the side surface of the outer box body 1 is fixedly provided with an exhaust pipe 5, the middle position of the interior of the outer box body 1 is fixedly provided with a detection box 7, and the detection box 7 is communicated with the exhaust pipe 5; the outside fixed mounting of blast pipe 5 has carries air pump 6, and the inside filter screen 9 that filters the flue gas that is provided with of detection case 7, detection case 7 inside fixed mounting has inside baffle 14, utilize inside baffle 14 to divide into two parts with detection case 7 inside and work in turn, and detection case 7 side fixed mounting has test probe 8, the movable block 19 outside is pasted and is had the dust cloth 20 of double faced adhesive material, and the movable block 19 reciprocates through its inside transmission lead screw 21 that runs through screw installation, the coaxial fixed mounting of transmission lead screw 21 bottom has driven bevel gear 22 that drives its pivoted, and driven bevel gear 22 side meshing is connected with drive bevel gear 23, drive bevel gear 23 is rotated by the motor drive of fixed mounting in outer box 1 inside.
When the device is used, firstly, the air inlet pipe 4 is connected with an industrial smoke discharging device, at this time, smoke enters the detection box 7 through the air inlet pipe 4 and the shunt pipe 15 under the action of the conveying air pump 6 (at this time, only one side of the shunt pipe 15 is opened, so that only one side of the space is used), the entered smoke is firstly filtered by the filter screen 9, then the smoke continues to flow downwards, at this time, the smoke is detected by the detection probe 8 and detected data are conveyed to the display panel outside the mounting plate 3, the detected smoke is discharged through the air outlet pipe 5, when the device needs to be overhauled, firstly, the motor is started to drive the drive bevel gear 23 to rotate, the driven bevel gear 22 meshed and connected with the drive bevel gear 23 drives the drive screw 21 to rotate, so that the drive screw 21 on the left side and the right side synchronously rotate and drive the movable block 19 to enable the upper and lower positions of the left movable block 19 to be exchanged, at this time, the working position is switched and the shunt pipe 15 on the other side is opened, and the device does not need to be overhauled completely in the process.
Example two
Referring to fig. 5, 7 and 9, in order to solve the problem of blockage of a filter screen, the invention provides the following technical scheme, and the purpose of cleaning is realized by sliding a brush on the upper surface of the filter screen, and the filter screen is blocked in the use process, which specifically discloses: a brush cleaning mechanism for cleaning the filter screen 9 is arranged above the filter screen 9, and the upper surface of the filter screen 9 is cleaned by utilizing reciprocating scraping of the brush cleaning mechanism; the brush cleaning mechanism comprises a cleaning brush 10 attached to the upper portion of a filter screen 9, a limiting sliding rod 11 is arranged on the side face of the cleaning brush 10 in a penetrating and sliding mode, the cleaning brush 10 slides left and right under the limiting effect of the limiting sliding rod 11, a first connecting rod 12 is rotatably arranged on the upper surface of the cleaning brush 10, a second connecting rod 13 is rotatably arranged on the top end of the first connecting rod 12, the bottom end of the second connecting rod 13 is fixedly connected with a movable block 19, a penetrating sliding structure is formed between the two movable blocks 19 and the detection box 7, the two movable blocks 19 are respectively located in two independent spaces inside the detection box 7, a communicating structure is formed between the upper surface of the movable block 19 and the inner wall of the detection box 7 through a shunt pipe 15 at the top end of the detection box 7, a blast air bag 17 is fixedly arranged between the upper surface of the movable block 19 and the inner wall of the detection box 7 through a connecting hose 18 and a high-pressure spray head 16 fixedly arranged on the inner wall of the detection box 7, and the position of the high-pressure spray head 16 corresponds to the position of the detection probe 8.
The second connecting rod 13 is driven to synchronously move in the process of moving the movable block 19 up and down, at the moment, the cleaning brush 10 is driven to slide left and right under the transmission action of the first connecting rod 12 at the top end of the second connecting rod 13 (the cleaning brush 10 is limited by the limiting slide rod 11 and can only move left and right), the cleaning brush 10 is used for cleaning the upper surface of the filter screen 9, the condition that the filter screen 9 is blocked subsequently is avoided, the movable block 19 extrudes the air blast air bag 17 above the movable block 19 when moving upwards, air inside the air blast air bag 17 is extruded from the high-pressure spray head 16 through the connecting hose 18, the high-pressure air flow is utilized for blowing and cleaning the detection probe 8 (smaller diameter particles which pass through the filter screen 9 can be attached to the detection probe 8), and the cleaned particles are adhered to the surface of the dust-binding cloth 20 outside the movable block 19, so that when the movable block 19 is positioned outside the detection box 7, the air blast air bag 17 is convenient for workers to replace.
Example III
Referring to fig. 5 and 8, in order to solve the problem that the oil stain in the device is inconvenient to clean, the invention provides the following technical scheme that the oil stain is easier to drop by spraying the heated cleaning liquid, and specifically discloses: the inside baffle 14 surface of detection case 7 is provided with washes clearance mechanism, utilize the cleaning solution after washing clearance mechanism blowout heating to clear up the inside greasy dirt of detection case 7, the inside washing clearance mechanism of detection case 7 includes bin 24, the shower nozzle 26 is installed to bin 24 below fixed intercommunication, and bin 24 side fixed penetration installs heat exchange tube 25, heat exchange tube 25 wholly is the kink column structure that increases area of contact and is used for with the inside flue gas heat transfer of detection case 7, the inside laminating slip of bin 24 is provided with the closing plate 27 that promotes the water flow, closing plate 27 removes between the export of both ends about heat exchange tube 25, and closing plate 27 passes through fixed connection between dead lever 28 and the second connecting rod 13.
The second connecting rod 13 drives the sealing plate 27 in the storage box 24 to move up and down through the fixing rod 28 connected with the second connecting rod in the process of moving up and down, the cleaning solution in the storage box 24 is pushed to flow in the heat exchange tube 25 by utilizing the movement of the sealing plate 27, the heat exchange tube 25 is positioned in the detection box 7, and the cleaning solution is heated by utilizing heat (the hot cleaning solution has better decontamination effect) because the flue gas in the detection box 7 has certain heat, and when a cleaning device is needed, the heated cleaning solution is sprayed out by utilizing the flushing nozzle 26 to help clean greasy dirt in the detection box 7.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311842675.6A CN117761259A (en) | 2023-12-28 | 2023-12-28 | A continuous monitoring device for flue gas emissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311842675.6A CN117761259A (en) | 2023-12-28 | 2023-12-28 | A continuous monitoring device for flue gas emissions |
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| Publication Number | Publication Date |
|---|---|
| CN117761259A true CN117761259A (en) | 2024-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311842675.6A Pending CN117761259A (en) | 2023-12-28 | 2023-12-28 | A continuous monitoring device for flue gas emissions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067934A (en) * | 2024-04-22 | 2024-05-24 | 国能浙江宁海发电有限公司 | Flue gas humidity measuring device of thermal power plant |
| CN118604256A (en) * | 2024-06-03 | 2024-09-06 | 南京菘大仪表有限公司 | Free amine monitoring analyzer |
| CN121090788A (en) * | 2025-11-11 | 2025-12-09 | 吉林宏日新能源股份有限公司 | A biomass boiler flue gas detection device |
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| CN215263356U (en) * | 2021-05-19 | 2021-12-21 | 株式会社岛津制作所 | Continuous Monitoring System for Flue Gas Emissions |
| CN215462914U (en) * | 2021-06-11 | 2022-01-11 | 江苏翱翔环保能源有限公司 | Flow guide device of flue gas desulfurization and denitrification flue system |
| CN115166165A (en) * | 2022-05-19 | 2022-10-11 | 广东轻工职业技术学院 | Food shelf life safety monitoring analogue means |
| CN218727088U (en) * | 2022-10-21 | 2023-03-24 | 上海市特种设备监督检验技术研究院 | Boiler flue gas detection device |
| CN218848089U (en) * | 2022-10-20 | 2023-04-11 | 陕西绿石环保科技有限公司 | Device for purging probe |
| CN218995316U (en) * | 2022-12-05 | 2023-05-09 | 杭州同正建设工程检测有限公司 | Continuous monitoring equipment for fume emission |
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2023
- 2023-12-28 CN CN202311842675.6A patent/CN117761259A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215263356U (en) * | 2021-05-19 | 2021-12-21 | 株式会社岛津制作所 | Continuous Monitoring System for Flue Gas Emissions |
| CN215462914U (en) * | 2021-06-11 | 2022-01-11 | 江苏翱翔环保能源有限公司 | Flow guide device of flue gas desulfurization and denitrification flue system |
| CN115166165A (en) * | 2022-05-19 | 2022-10-11 | 广东轻工职业技术学院 | Food shelf life safety monitoring analogue means |
| CN218848089U (en) * | 2022-10-20 | 2023-04-11 | 陕西绿石环保科技有限公司 | Device for purging probe |
| CN218727088U (en) * | 2022-10-21 | 2023-03-24 | 上海市特种设备监督检验技术研究院 | Boiler flue gas detection device |
| CN218995316U (en) * | 2022-12-05 | 2023-05-09 | 杭州同正建设工程检测有限公司 | Continuous monitoring equipment for fume emission |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118067934A (en) * | 2024-04-22 | 2024-05-24 | 国能浙江宁海发电有限公司 | Flue gas humidity measuring device of thermal power plant |
| CN118067934B (en) * | 2024-04-22 | 2024-07-26 | 国能浙江宁海发电有限公司 | Flue gas humidity measuring device of thermal power plant |
| CN118604256A (en) * | 2024-06-03 | 2024-09-06 | 南京菘大仪表有限公司 | Free amine monitoring analyzer |
| CN121090788A (en) * | 2025-11-11 | 2025-12-09 | 吉林宏日新能源股份有限公司 | A biomass boiler flue gas detection device |
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