Intelligent dust removal device for waste gas treatment of coal-fired power plant

Abstract

The invention discloses an intelligent dust removal device for waste gas treatment of a coal-fired power plant, and relates to the technical field of waste gas treatment.The intelligent dust removal device comprises a dust removal box, an air inlet is fixedly connected to the side wall of the dust removal box, a filter plate is fixedly connected to the interior of the dust removal box and located below the air inlet, and the intelligent dust removal device further comprises a filter effect real-time detection mechanism and a dust cleaning and collecting mechanism; unnecessary troubleshooting and maintenance times can be reduced, so that the maintenance cost and the time cost are reduced, and blockage or damage can be maintained or replaced in time when the filter plate is damaged, so that continuous and efficient operation of the spraying dust removal system can be ensured, and the overall operation efficiency is improved; the blockage or damage condition of the filter plate can be found in time through timing weighing, and the situation that the filter plate which is not maintained or replaced in time after being used for a long time can be avoided, so that impurities and particulate matters entering the spraying dust removal system are reduced, the cleanliness of water resources is guaranteed, and the overall performance of the spraying dust removal system is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of waste gas treatment, and specifically to an intelligent dust removal device for waste gas treatment in coal-fired power plants. Background Art

[0002] During the power generation process of coal-fired power plants, a large amount of flue gas is generated, which contains harmful substances such as particulate matter, sulfur dioxide, and nitrogen oxides. The emission of these substances will not only pollute the atmospheric environment but also pose a threat to human health. Therefore, in order to protect the environment and human health, coal-fired power plants need to adopt effective waste gas dust removal devices to reduce the emission of harmful substances. The existing dust removal methods include electrostatic dust removal, bag dust removal, and spray dust removal. Spray dust removal is achieved by spraying water mist added with specific chemical substances, so that the water mist combines with the pollutants in the flue gas to achieve the purpose of waste gas treatment;

[0003] In the environmental protection practice of spray dust removal, in order to efficiently and sustainably utilize water resources, filters are usually used to separate the dust and water resource combination in the waste gas, extract and recycle the water resources from the mixture. As the core component of water resource recycling, the continuous and efficient working state of the filter is crucial for maintaining the performance of the entire spray dust removal system. However, in actual operation, it is often difficult for staff to grasp the working state of the filter in real time during its operation, which not only requires staff to conduct more frequent fault detection and maintenance, increasing maintenance costs and time costs and reducing the overall operation efficiency, but also when the filter becomes blocked or damaged and is still used for a long time without being timely maintained or replaced, it will affect the cleanliness of the spray dust removal water resources, thereby reducing the overall performance of the spray dust removal system.

[0004] Therefore, the present invention proposes an intelligent dust removal device for waste gas treatment in coal-fired power plants to solve the above problems. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides an intelligent dust removal device for waste gas treatment in coal-fired power plants, which can effectively solve the problems in the prior art.

[0006] To achieve the above object, the object of the present invention can be realized by the following technical solutions:

[0007] An intelligent dust removal device for waste gas treatment in coal-fired power plants includes a dust removal box. An air inlet is fixedly connected to the side wall of the dust removal box. A filter plate is fixedly connected inside the dust removal box, and the filter plate is located below the air inlet. It also includes a real-time detection mechanism for filtering effect arranged below the filter plate and a dust cleaning and collection mechanism arranged above the filter plate;

[0008] The real-time filtering effect detection mechanism includes a drainage ring, a hollow column, a weighing plate, and a gravity sensor. The drainage ring is fixedly connected to the lower end face of the filter plate. The hollow column is fixedly connected to the lower end of the drainage ring. A weighing plate is arranged inside the hollow column. The gravity sensor is fixedly connected to the lower end face of the weighing plate and is fixedly connected to the inner bottom of the hollow column. The real-time filtering effect detection mechanism is used to detect the filtering effect of the filter plate during the working process of the filter plate to judge its working state;

[0009] The dust cleaning and collecting mechanism includes a protective shell. Both sides of the protective shell are fixedly connected with support plates. The support plates are fixedly connected to the inner wall of the dust removal box on the side far away from the protective shell. A connecting shaft is rotatably connected through the inner bottom of the protective shell. A cleaning box is fixedly connected to the lower end of the connecting shaft. A scraping plate is fixedly connected to the lower end of the cleaning box. The scraping plate is attached to the upper end face of the filter plate; a second bevel gear is fixedly connected to the upper end of the connecting shaft. The second bevel gear is meshed with a first bevel gear. A driving shaft is fixedly connected to the first bevel gear. The driving shaft is rotatably connected through the protective shell and the dust removal box. A driving motor is fixedly connected to the side of the driving shaft far away from the first bevel gear. A support frame is fixedly connected to the driving motor. The support frame is fixedly connected to the outer side wall of the dust removal box; the dust cleaning mechanism is used to clean the surface of the filter plate and intermittently drive the rotating shaft to rotate.

[0010] As a further scheme of the present invention: Drainage holes are formed on the outer surface of the hollow column. A shielding ring is sleeved on the outer surface of the hollow column. The shielding ring is initially located at the drainage holes.

[0011] As a further scheme of the present invention: One side of the outer surface of the shielding ring is fixedly connected with a fixing plate. A sliding groove is formed on the side of the fixing plate far away from the shielding ring. A shifting rod is slidably connected in the sliding groove. A shifting plate is fixedly connected to the end of the shifting rod far away from the sliding groove. A rotating shaft is fixedly connected to one side of the shifting plate. The rotating shaft is rotatably connected through the dust removal box.

[0012] As a further scheme of the present invention: A partition plate is fixedly connected inside the hollow column. A leakage hole is formed at the center of the partition plate. Baffle plates are symmetrically attached to the lower end face of the partition plate. Slide columns are fixedly connected to the opposite sides between the two baffle plates. The slide columns are all slidably connected through the hollow column.

[0013] As a further scheme of the present invention: Connecting blocks are fixedly connected to the ends of the slide columns far away from the baffle plates. Elastic linkage plates are rotatably connected to the lower end faces of the connecting blocks. The ends of the elastic linkage plates far away from the connecting blocks are rotatably connected to the upper end face of the shielding ring.

[0014] As a further solution of the present invention: an elastic telescopic plate is fixedly connected to the outer surface of the drive shaft near the drive motor, a dial block is fixedly connected to the side of the elastic telescopic plate away from the drive shaft, a lifting column is arranged on one side of the drive shaft, a support block is slidably connected to the outer surface of the lifting column, the support block is fixedly connected to the side wall of the dust removal box, a groove is formed in the outer surface of the lifting column near the dial block, and the groove is adapted to the dial block.

[0015] As a further solution of the present invention: a rack plate is fixedly connected to the lower end of the lifting column, a spring is fixedly connected between the upper end surface of the rack plate and the lower end surface of the support block, the spring is sleeved on the outer surface of the lifting column, a sector gear is meshed with the rack plate near the rotating shaft, and the sector gear is fixedly connected to the rotating shaft.

[0016] Compared with the prior art, the present invention provides an intelligent dust removal device for waste gas treatment in a coal-fired power plant, which has the following beneficial effects:

[0017] 1. Through the set real-time detection mechanism of the filtration effect, the water resources filtered by the filter plate can be weighed regularly. According to the weight of the water resources filtered within a specified time, the staff can grasp the working state of the filter plate in real time, including its filtration efficiency and clogging situation. This can not only reduce unnecessary troubleshooting and maintenance times, thereby reducing maintenance costs and time costs, and can timely maintain or replace the clogged or damaged filter plate when the filter plate is damaged, so as to ensure the continuous and efficient operation of the spray dust removal system and improve the overall operation efficiency. Moreover, by regularly weighing, the situation of the filter plate being clogged or damaged can be detected in time, which can avoid the filter plate that has not been maintained or replaced in time after long-term use, thereby reducing impurities and particulate matter from entering the spray dust removal system, ensuring the cleanliness of the water resources, and further improving the overall performance of the spray dust removal system.

[0018] 2. Through the set elastic linkage plate, connecting block, sliding column and baffle, during the process of discharging the weighed water resources in the hollow column, it can prevent the subsequent water resources filtered by the filter plate from entering the hollow column and mixing with the weighed water resources and being discharged together. If the subsequent water resources are discharged mixed with the weighed water resources, it will cause the subsequent weighing data to be inaccurate and unable to truly reflect the actual working state of the filter plate. Thus, it can ensure that each discharged water resource is accurately weighed, providing reliable data support.

[0019] 3. Through the provided dust cleaning and collection mechanism, the cleaning box and the shovel plate can be driven to rotate along the surface of the filter plate, ensuring that every part of the filter plate can be effectively cleaned. This cleaning method of fitting rotation can cover the surface of the filter plate more comprehensively compared with traditional manual cleaning or fixed-position cleaning, improving the cleaning efficiency. Moreover, by automatically driving the cleaning box and the shovel plate to rotate along the surface of the filter plate for cleaning, the frequency and intensity of manual cleaning can be reduced, thereby reducing the maintenance cost and ensuring the filtering effect of the filter plate.

[0020] 4. Through the provided elastic telescopic plate, the dial block, the lifting column, the spring, the rack plate and the sector gear, during the regular cleaning of the filter plate surface, the rotating shaft can be intermittently driven to rotate, so as to discharge the water resources inside the hollow column. This not only realizes the automation of cleaning and discharging, reduces the dependence on manual operation, but also can automatically complete the discharge of the water resources inside the hollow column while regularly cleaning the filter plate surface, improving the work efficiency and the convenience of operation. Moreover, by intermittently driving the rotating shaft to rotate, the discharge timing of the water resources can be accurately controlled, improving the accuracy of weighing the filtered water resources to judge the working state of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 Schematic diagram of the overall structure of the present invention;

[0023] Figure 2 Schematic diagram of the internal structure of the dust removal box of the present invention;

[0024] Figure 3 For the present invention Figure 2 Enlarged structure schematic diagram of area A;

[0025] Figure 4 For the present invention Figure 2 Enlarged structure schematic diagram of area B;

[0026] Figure 5 Schematic diagram of the internal structure of the hollow column of the present invention;

[0027] Figure 6 Schematic diagram of the connection structure between the drive shaft and the cleaning box of the present invention;

[0028] Figure 7 Schematic diagram of the connection structure between the lifting column and the rotating shaft of the present invention.

[0029] In the figure: 1, dust removal box; 2, air inlet; 3, filter plate;

[0030] 401, drainage ring; 402, hollow column; 403, shielding ring; 404, rotating shaft; 405, fixing plate; 406, chute; 407, lever; 408, baffle plate; 409, elastic linkage plate; 410, connecting block; 411, sliding column; 412, baffle; 413, partition plate; 414, leakage hole; 415, weighing plate; 416, gravity sensor; 417, drain hole;

[0031] 501, protective shell; 502, support plate; 503, drive shaft; 504, support frame; 505, drive motor; 506, lifting column; 507, rack plate; 508, sector gear; 509, elastic telescopic plate; 510, block; 511, groove; 512, first bevel gear; 513, second bevel gear; 514, connecting shaft; 515, cleaning box; 516, scraping plate; 517, spring; 518, support block. Specific embodiments

[0032] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative work belong to the scope of protection of the present invention.

[0033] An intelligent dust removal device for waste gas treatment in a coal-fired power plant in this embodiment is as Figure 1 - Figure 7 shown, including a dust removal box 1, an air inlet 2 fixedly connected to the side wall of the dust removal box 1, a filter plate 3 fixedly connected inside the dust removal box 1, the filter plate 3 is located below the air inlet 2, and further includes a real-time detection mechanism for the filtration effect and a dust cleaning and collection mechanism.

[0034] In this embodiment, as Figure 2 and Figure 5 shown, the real-time detection mechanism for the filtration effect includes a drainage ring 401, a hollow column 402, a weighing plate 415 and a gravity sensor 416. The drainage ring 401 is fixedly connected to the lower end surface of the filter plate 3, the hollow column 402 is fixedly connected to the lower end of the drainage ring 401, the gravity sensor 416 is fixedly connected to the lower end surface of the weighing plate 415, and the gravity sensor 416 is fixedly connected to the inner bottom of the hollow column 402. The real-time detection mechanism for the filtration effect is used to detect the filtration effect of the filter plate 3 during the operation of the filter plate 3 to judge its working state.

[0035] When the filter plate 3 filters the water resources combined with the exhaust gas, the filtered water resources will flow into the hollow column 402 through the drainage ring 401 and accumulate on the upper end surface of the weighing plate 415. At this time, the water resources in the hollow column 402 are weighed regularly through the gravity sensor 416 and the weighing plate 415, and the data is transmitted to the terminal for the staff to know. The staff can judge whether the filter plate 3 is blocked or damaged by the weight of the water resources filtered by the filter plate 3 within the specified time.

[0036] In this embodiment, Figure 2 and Figure 5 As shown, a drainage hole 417 is opened on the outer surface of the hollow column 402, and a blocking ring 403 is sleeved on the outer surface of the hollow column 402. The blocking ring 403 is initially located at the drainage hole 417. When the blocking ring 403 slides up and down on the outer surface of the hollow column 402, the drainage hole 417 can be blocked or opened to facilitate the discharge of water resources in the hollow column 402.

[0037] In this embodiment, Figure 3 As shown, a fixing plate 405 is fixedly connected to one side of the outer surface of the shielding ring 403, a sliding groove 406 is provided on the side of the fixing plate 405 away from the shielding ring 403, a lever 407 is slidably connected in the sliding groove 406, a lever 407 is fixedly connected to one end of the lever 407 away from the sliding groove 406, a lever plate 408 is fixedly connected to one side of the lever plate 408, and the rotating shaft 404 passes through and is rotatably connected to the dust removal box 1.

[0038] When the rotating shaft 404 drives the lever 407 to rotate through the lever plate 408, the lever 407 can slide in the slide groove 406 provided on the fixed plate 405, and at the same time, the fixed plate 405 is moved through the slide groove 406 to drive the blocking ring 403 to slide up and down on the outer surface of the hollow column 402.

[0039] In this embodiment, Figure 5 As shown, a partition 413 is fixedly connected to the inside of the hollow column 402, a leakage hole 414 is opened at the center of the partition 413, and a baffle 412 is symmetrically attached to the lower end surface of the partition 413. A sliding column 411 is fixedly connected to the opposite sides of the two baffles 412, and the sliding column 411 is slidably connected to the side wall of the hollow column 402. When the driving sliding column 411 moves on the hollow column 402, it can drive the baffle 412 to fit the lower end surface of the partition 413 and move closer or farther from each other synchronously, thereby covering or revealing the leakage hole 414 opened on the partition 413.

[0040] In this embodiment, Figure 3 and Figure 5As shown, connection blocks 410 are fixedly connected to the ends of the sliding columns 411 away from the baffle 412. Elastic linkage plates 409 are rotatably connected to the lower end faces of the connection blocks 410. The ends of the elastic linkage plates 409 away from the connection blocks 410 are rotatably connected to the upper end face of the shielding ring 403. When the shielding ring 403 descends or ascends, it will pull the connection blocks 410 through the elastic linkage plates 409, pushing the sliding columns 411 to slide into the hollow column 402. When the sliding columns 411 cannot continue to slide into the hollow column 402, as the shielding ring 403 continues to descend, the shielding ring 403 will pull the elastic linkage plates 409 to make them extend to adapt to the movement of the shielding ring 403.

[0041] In the prior art, it is often difficult for staff to grasp the working state of the filter in real time during its operation. This not only requires staff to conduct more frequent fault inspections and repairs, increasing maintenance costs and time costs and reducing the overall operation efficiency, but also when the filter becomes blocked or damaged and is still used for a long time without being maintained or replaced in a timely manner, it will affect the cleanliness of the water resources for spray dust removal, thereby reducing the overall performance of the spray dust removal system. The spray dust removal system is a commonly used device in the prior art and will not be specifically described in this application. Compared with the prior art, it can weigh the water resources filtered by the filter plate 3 at regular intervals. According to the weight of the water resources filtered within a specified time, staff can grasp the working state of the filter plate 3 in real time, including its filtration efficiency and blockage situation. This can not only reduce unnecessary fault inspection and repair times, thereby reducing maintenance costs and time costs, and can timely maintain or replace the blocked or damaged filter plate 3 when the filter plate 3 is damaged, thus ensuring the continuous and efficient operation of the spray dust removal system and improving the overall operation efficiency. Moreover, by weighing at regular intervals to timely detect the blockage or damage of the filter plate 3, it is possible to avoid using the filter plate 3 that has not been maintained or replaced in a timely manner for a long time, thereby reducing the entry of impurities and particulate matter into the spray dust removal system, ensuring the cleanliness of the water resources, and further improving the overall performance of the spray dust removal system.

[0042] On other levels, this embodiment also provides a dust cleaning mechanism for cleaning the surface of the filter plate 3 and intermittently driving the rotating shaft 404 to rotate, as Figure 2 、 Figure 4 、 Figure 6 and Figure 7 shown. The dust cleaning and collection mechanism includes a protective shell 501. Support plates 502 are fixedly connected to both sides of the protective shell 501. The sides of the support plates 502 away from the protective shell 501 are fixedly connected to the inner wall of the dust removal box 1. A connecting shaft 514 is rotatably connected through the bottom of the protective shell 501. A cleaning box 515 is fixedly connected to the lower end of the connecting shaft 514. A scraping plate 516 is fixedly connected to the lower end of the cleaning box 515. The scraping plate 516 is attached to the upper end face of the filter plate 3.

[0043] In this embodiment, asFigure 2 and Figure 5 As shown in Figure 5 , a second bevel gear 513 is fixedly connected to the upper end of the connecting shaft 514. The second bevel gear 513 is meshed with a first bevel gear 512. A driving shaft 503 is fixedly connected to the first bevel gear 512. The driving shaft 503 penetrates and is rotatably connected to the protective housing 501 and the dust removal box 1. A driving motor 505 is fixedly connected to the side of the driving shaft 503 away from the first bevel gear 512. A support frame 504 is fixedly connected to the driving motor 505. The support frame 504 is fixedly connected to the outer side wall of the dust removal box 1.

[0044] When the driving shaft 503 rotates slowly, through the arranged first bevel gear 512 and second bevel gear 513, the connecting shaft 514 can be driven to rotate synchronously. At the same time, by arranging the first bevel gear 512 and the second bevel gear 513 inside the protective housing 501, the situation that the first bevel gear 512 and the second bevel gear 513 are eroded by sewage and waste gas, affecting their service life, can be avoided.

[0045] In this embodiment, as Figure 4 shown, an elastic telescopic plate 509 is fixedly connected to the outer surface of the driving shaft 503 near the driving motor 505. A dial block 510 is fixedly connected to the side of the elastic telescopic plate 509 away from the driving shaft 503. A lifting column 506 is arranged on one side of the driving shaft 503. A support block 518 is slidably connected to the outer surface of the lifting column 506. The support block 518 is fixedly connected to the side wall of the dust removal box 1. A groove 511 is opened on the outer surface of the lifting column 506 near the dial block 510. The groove 511 is adapted to the dial block 510. When the driving shaft 503 drives the elastic telescopic plate 509 to rotate, the dial block 510 connected to the elastic telescopic plate 509 will move synchronously with the driving shaft 503 as the center. And during the movement of the dial block 510, it will move into the groove 511 opened on the outer surface of the lifting column 506, and the lifting column 506 will be driven to move downward through the groove 511. At the same time, the elastic telescopic plate 509 will adaptively contract and extend according to the position of the dial block 510.

[0046] In this embodiment, as Figure 7As shown in the figure, a rack plate 507 is fixedly connected to the lower end of the lifting column 506. A spring 517 is fixedly connected between the upper end surface of the rack plate 507 and the lower end surface of the support block 518. The spring 517 is sleeved on the outer surface of the lifting column 506. A sector gear 508 is meshed and connected to one side of the rack plate 507 close to the rotating shaft 404. The sector gear 508 is fixedly connected to the rotating shaft 404. When the lifting column 506 is stressed and descends on the support block 518 to push the rack plate 507 to move downward, the rack plate 507 will drive the rotating shaft 404 to rotate synchronously through the sector gear 508, and pull the spring 517 connected between the rack plate 507 and the support block 518. When the force on the lifting column 506 disappears, through the rebounding force of the spring 517, the rack plate 507 can be pulled to automatically rise close to the support block 518, and the rotating shaft 404 is driven to flip through the sector gear 508.

[0047] Compared with the prior art, it can drive the cleaning box 515 and the scraping plate 516 to rotate in contact with the surface of the filter plate 3, which can ensure that the upper surface of the filter plate 3 is effectively cleaned. This cleaning method of rotating in contact can cover the surface of the filter plate 3 more comprehensively than the traditional manual cleaning or fixed-position cleaning, improving the cleaning efficiency. Moreover, by automatically driving the cleaning box 515 and the scraping plate 516 to rotate in contact with the surface of the filter plate 3 for cleaning, the frequency and intensity of manual cleaning can be reduced, thereby reducing the maintenance cost and ensuring the filtering effect of the filter plate 3.

[0048] The working process and principle involved in the overall content of the above embodiments are as follows:

[0049] During the process of the staff discharging the waste gas from the coal-fired power plant into the dust removal box 1 through the air inlet 2 for spray dust removal, the driving motor 505 is synchronously turned on to drive the driving shaft 503 to rotate. Since a first bevel gear 512 is connected to one end of the driving shaft 503 away from the driving motor 505, and the first bevel gear 512 is meshed and connected to a second bevel gear 513, and the second bevel gear 513 is fixedly connected to the connecting shaft 514. Therefore, during the rotation of the driving shaft 503, through the meshing connection of the first bevel gear 512 and the second bevel gear 513, the connecting shaft 514 can be driven to rotate synchronously, so that the cleaning box 515 connected to the lower end of the connecting shaft 514 rotates synchronously, and the scraping plate 516 connected to the lower end surface of the cleaning box 515 moves in contact with the surface of the filter plate 3 to clean the surface of the filter plate 3. When the dust particles are piled up due to the movement of the scraping plate 516, they will be shoveled into the cleaning box 515 for collection, which can ensure that the upper surface of the filter plate 3 is effectively cleaned. This cleaning method of rotating in contact can cover the surface of the filter plate 3 more comprehensively than the traditional manual cleaning or fixed-position cleaning, improving the cleaning efficiency. Moreover, by automatically driving the cleaning box 515 and the scraping plate 516 to rotate in contact with the surface of the filter plate 3 for cleaning, the frequency and intensity of manual cleaning can be reduced, thereby reducing the maintenance cost and ensuring the filtering effect of the filter plate 3;

[0050] After the dust in the exhaust gas combines with the water source sprayed by the spray system, it will fall on the lower filter plate 3. At this time, the excess water resources will be filtered by the filter plate 3, fall into the lower drainage ring 401, and flow into the hollow column 402 through the drainage ring 401. After passing through the partition plate 413 and the leakage holes 414 connected inside the hollow column 402, it is collected above the weighing plate 415. As the water resources above the weighing plate 415 increase, the gravity sensor 416 connected to the lower end of the weighing plate 415 will transmit the weight of the filtered water resources to the terminal. According to the weight of the filtered water resources within a specified time, the staff can grasp the working state of the filter plate 3 in real time, including its filtration efficiency and clogging situation. This can not only reduce unnecessary troubleshooting and repair times, thereby reducing maintenance costs and time costs, but also be able to maintain or replace the clogged or damaged parts in time when the filter plate 3 is damaged, so as to ensure the continuous and efficient operation of the spray dust removal system, improve the overall operation efficiency. Moreover, by weighing regularly to detect the clogging or damage of the filter plate 3 in time, it is possible to avoid using the filter plate 3 that has not been maintained or replaced in time for a long time, thereby reducing the entry of impurities and particulate matter into the spray dust removal system, ensuring the cleanliness of the water resources, and further improving the overall performance of the spray dust removal system;

[0051] During one full rotation of the drive shaft 503, the drive shaft 503 drives the elastic telescopic plate 509 to rotate synchronously, causing the block 510 connected to the elastic telescopic plate 509 to gradually approach the lifting column 506. When the block 510 contacts the lifting column 506, since the groove 511 provided on the outer surface of the block 510 is adapted to the groove 511 on the outer surface of the lifting column 506, the block 510 can just move into the groove 511. As the block 510 continues to rotate around the drive shaft 503, the block 510 will push the lifting column 506 to slide vertically downward on the support block 518 through the groove 511, pushing the rack plate 507 connected to the lower end of the lifting column 506 to move away from the support block 518 and pulling the spring 517 connected between the rack plate 507 and the support block 518. During the downward movement of the rack plate 507, since the rack plate 507 is meshed with the sector gear 508 and the sector gear 508 is fixedly connected to the rotating shaft 404, the rack plate 507 will drive the rotating shaft 404 to rotate downward synchronously through the sector gear 508, driving the dial plate 408 connected to the end of the rotating shaft 404 away from the sector gear 508 to move synchronously, and pushing the lever 407 connected to the dial plate 408 to slide in the chute 406 provided on the side wall of the fixing plate 405. At this time, since the dial plate 408 drives the lever 407 to move around the rotating shaft 404 as the center, and the fixing plate 405 is fixedly connected to the outer wall of the shielding ring 403, and the shielding ring 403 is sleeved on the outer surface of the hollow column 402, during the sliding of the lever 407 in the chute 406, the lever 407 will push the fixing plate 405 to drive the shielding ring 403 to descend synchronously on the outer surface of the hollow column 402, exposing the drain hole 417 provided on the outer surface of the hollow column 402, and draining the water resources weighed inside the hollow column 402;

[0052] During the downward movement of the shielding ring 403, the shielding ring 403 will pull one end of the elastic linkage plate 409 to descend synchronously, causing the elastic linkage plate 409 to move from an inclined state towards a state closer to vertical. As the state of the elastic linkage plate 409 changes, the elastic linkage plate 409 will pull the connecting block 410 closer to the hollow column 402 and push the sliding column 411 into the hollow column 402, driving the baffle 412 to slide on the lower end surface of the partition plate 413 to block the leakage holes 414 opened on the partition plate 413; after the two baffle plates 412 slide close to each other to block the leakage holes 414 opened on the partition plate 413 and cannot move further, as the shielding ring 403 continues to descend, the shielding ring 403 will pull the elastic linkage plate 409 to stretch, opening the drainage holes 417 opened on the outer surface of the hollow column 402, and then the water source inside the hollow column 402 will flow out, avoiding the situation where the water resources filtered by the drainage ring 401 subsequently and the water resources weighed on the weighing plate 415 are mixed and discharged together from the drainage holes 417. If the subsequent water resources and the weighed water resources are discharged mixed, it will lead to inaccurate subsequent weighing data and cannot truly reflect the actual working state of the filter plate 3, thereby ensuring that the water resources discharged each time are accurately weighed and providing reliable data support;

[0053] When the drive shaft 503 drives the dial block 510 away from the lifting column 506 through the elastic telescopic plate 509, due to the elastic force of the spring 517 connected between the rack plate 507 and the support block 518, the rack plate 507 will be pulled to automatically approach the support block 518, and the rotating shaft 404 will be driven to reverse through the sector gear 508. At this time, the rotating shaft 404 will drive the shielding ring 403 to automatically rise on the outer surface of the hollow column 402 through the dial plate 408, the dial rod 407, the fixing plate 405 and the sliding groove 406 to block the drainage holes 417 opened on the outer surface of the hollow column 402. During the upward movement of the shielding ring 403, through the provided elastic linkage plate 409, connecting block 410 and sliding column 411, the baffle 412 can be pulled to slide and separate from the lower end surface of the partition plate 413, exposing the leakage holes 414 opened on the partition plate 413, so that the water resources filtered by the partition plate 413 can drip onto the lower weighing plate 415 again through the leakage holes 414 for weighing. This not only realizes the automation of cleaning and discharging, reduces the dependence on manual operation, can automatically complete the discharge of the water resources inside the hollow column 402 while regularly cleaning the surface of the filter plate 3, improves work efficiency and operation convenience, but also can accurately control the discharge timing of the water resources by intermittently driving the rotation of the rotating shaft 404, improving the accuracy of weighing the filtered water resources to judge the working state of the filter plate 3.

[0054] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An intelligent dust removal device for treating waste gas in a coal-fired power plant, comprising a dust removal box (1), an air inlet (2) fixedly connected to the side wall of the dust removal box (1), a filter plate (3) fixedly connected inside the dust removal box (1), the filter plate (3) being located below the air inlet (2), characterized in that: It also includes a real-time filtering effect detection mechanism arranged below the filter plate (3) for detecting the filtering effect of the filter plate (3), and a dust cleaning mechanism arranged above the filter plate (3) for cleaning the surface of the filter plate (3); The filtering effect real-time detection mechanism comprises a drainage ring (401), a hollow column (402), a weighing plate (415) and a gravity sensor (416); the drainage ring (401) is fixedly connected to the lower end surface of the filter plate (3); the hollow column (402) is fixedly connected to the lower end of the drainage ring (401); a weighing plate (415) is provided inside the hollow column (402); the gravity sensor (416) is fixedly connected to the lower end surface of the weighing plate (415); and the gravity sensor (416) is fixedly connected to the inner bottom of the hollow column (402).

2. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 1 is characterized in that: A drainage hole (417) is provided on the outer surface of the hollow column (402), and a shielding ring (403) is sleeved on the outer surface of the hollow column (402), wherein the shielding ring (403) is initially located at the drainage hole (417).

3. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 2 is characterized in that: A fixing plate (405) is fixedly connected to one side of the outer surface of the shielding ring (403); a sliding groove (406) is provided on the side of the fixing plate (405) away from the shielding ring (403); a lever (407) is slidably connected in the sliding groove (406); an end of the lever (407) away from the sliding groove (406) is fixedly connected to a lever plate (408); a rotating shaft (404) is fixedly connected to one side of the lever plate (408); and the rotating shaft (404) passes through and is rotatably connected to the dust removal box (1).

4. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 3 is characterized in that: A partition plate (413) is fixedly connected inside the hollow column (402), and a leakage hole (414) is opened at the center of the partition plate (413).

5. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 4 is characterized in that: The baffle plate (412) is symmetrically attached to the lower end surface of the partition plate (413), and a sliding column (411) is fixedly connected to the opposite side of the two baffle plates (412), and the sliding columns (411) are all penetrated and slidably connected to the hollow column (402).

6. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 5 is characterized in that: The end of the sliding column (411) away from the baffle (412) is fixedly connected to the connecting block (410), the lower end surface of the connecting block (410) is rotatably connected to the elastic linkage plate (409), and the end of the elastic linkage plate (409) away from the connecting block (410) is rotatably connected to the upper end surface of the shielding ring (403).

7. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 1 is characterized in that: The dust cleaning and collecting mechanism is arranged above the filter plate (3), and the dust cleaning and collecting mechanism comprises a protective shell (501), both sides of the protective shell (501) are fixedly connected with support plates (502), the side of the support plate (502) away from the protective shell (501) is fixedly connected to the inner wall of the dust removal box (1), the bottom of the protective shell (501) is rotatably connected with a connecting shaft (514), the lower end of the connecting shaft (514) is fixedly connected with a cleaning box (515), and the lower end of the cleaning box (515) is fixedly connected with a shovel plate (516), the shovel plate (516) is attached to the upper end surface of the filter plate (3); the upper end of the connecting shaft (514) is fixedly connected to a second bevel gear (513), the second bevel gear (513) is meshingly connected to a first bevel gear (512), the first bevel gear (512) is fixedly connected to a drive shaft (503), the drive shaft (503) is rotatably connected to the protective shell (501) and the dust removal box (1), and the drive shaft (503) is fixedly connected to a drive motor (505) on the side away from the first bevel gear (512).

8. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 7 is characterized in that: The driving motor (505) is fixedly connected to a support frame (504), and the support frame (504) is fixedly connected to the outer wall of the dust removal box (1).

9. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 8, characterized in that: An elastic telescopic plate (509) is fixedly connected to the side of the outer surface of the driving shaft (503) close to the driving motor (505), and a shifting block (510) is fixedly connected to the side of the elastic telescopic plate (509) away from the driving shaft (503). A lifting column (506) is provided on one side of the driving shaft (503), and a supporting block (518) is slidably connected to the outer surface of the lifting column (506), and the supporting block (518) is fixedly connected to the side wall of the dust removal box (1). A groove (511) is provided on the side of the outer surface of the lifting column (506) close to the shifting block (510), and the groove (511) and the shifting block (510) are adapted to each other.

10. The intelligent dust removal device for waste gas treatment in a coal-fired power plant according to claim 9, characterized in that: The lower end of the lifting column (506) is fixedly connected with a rack plate (507), and a spring (517) is fixedly connected between the upper end surface of the rack plate (507) and the lower end surface of the support block (518), and the spring (517) is sleeved on the outer surface of the lifting column (506). The rack plate (507) is meshedly connected with a fan-shaped gear (508) on the side close to the rotating shaft (404), and the fan-shaped gear (508) is fixedly connected to the rotating shaft (404).

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