A power plant flue dusting device

Abstract

The application provides a power plant flue dust removal device, and relates to the field of flue dust removal. The device comprises a flue body, a reciprocating wire rod is arranged in the flue body, a dust removal assembly is arranged between the outer wall of the reciprocating wire rod and the inner wall of the flue body, the dust removal assembly comprises a magnetic sleeve which is slidably arranged on the outer wall of the reciprocating wire rod, a plurality of connecting rods are arrayed on the outer wall of the magnetic sleeve, rotating rings are fixedly arranged on the end portions of the connecting rods, assembling rings are rotatably connected to the outer wall of the rotating rings, two L-shaped rods are symmetrically arranged on the outer wall of the connecting rods, and the end portions of the two L-shaped rods are respectively attached to the upper and lower outer walls of the assembling rings. In order to solve the problem that dust in the flue combines with water to form cement-like dust and dirt which is difficult to remove, the dust removal assembly is arranged to make the broken steel needles reciprocate up and down when encountering the solidified dust and dirt, so as to impact and break the dust and dirt, thereby removing the solidified dust and dirt in the flue.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of flue dust removal, in particular to a power plant flue dust removal device. BACKGROUND

[0002] The flue of the power plant is accumulated with a large amount of dust due to long-term use, and the dust in the flue often contains components such as silicon dioxide, calcium oxide, aluminum oxide, and iron oxide. When combined with moisture, it forms dust and dirt like cement and solidifies in the pipeline, which is difficult to remove. Through simple brushes and scrapers, it is difficult to remove, but manual flue inner wall dust removal treatment not only has a large workload, but also the internal space of the flue is narrow, and there are a large amount of dust and harmful substances inside, which is not conducive to the health of the operators.

[0003] For example: the "power plant flue dust removal device" disclosed in Chinese invention patent / Chinese utility model (application number: CN202110519825.4) has the following disclosure in the specification: At present, the flue gas after combustion in coal-fired power plants or biomass power plants contains a large amount of ash, which has a direct adverse effect on the safe operation and economic benefits of the power plant due to the wear and tear or blockage of the heat exchanger or the catalyst used for denitrification. Since the power plant works for a long time (all 24 hours of continuous uninterrupted work), the discharge amount is large, and the end of the flue is usually provided with an SCR denitrification device. The solid particles contained in the smoke will wear out the catalyst in the denitrification device, affecting the normal operation of the denitrification device, causing the denitrification efficiency to decrease, and the overall effect to be poor. Accordingly, the present application provides a power plant flue dust removal device; the above-mentioned patent can prove the defects existing in the prior art.

[0004] Therefore, we improve it and propose a power plant flue dust removal device. SUMMARY

[0005] The purpose of the present application is to solve the problem that the dust in the flue combines with moisture to form dust and dirt like cement and solidify in the pipeline, which is difficult to remove. The present application provides a flue dust removal device, which can remove the solidified dust and dirt in the flue.

[0006] In order to achieve the above-mentioned purpose of the application, the present application provides a power plant flue dust removal device to improve the above-mentioned problems.

[0007] The present application is as follows:

[0008] The utility model provides a power plant flue dust cleaning device, including the flue body, be equipped with reciprocating wire bar in the flue body, be equipped with dust cleaning subassembly between the outer wall of reciprocating wire bar and the inner wall of flue body, dust cleaning subassembly includes the magnetic sleeve of reciprocating wire bar's outer wall sliding installation, the outer wall of magnetic sleeve is installed with multiple connecting rods in array, the end of multiple connecting rods is fixedly installed with the rotating ring, the outer wall of rotating ring is rotatably installed with the assembly ring through the clamping, the outer wall of connecting rod is installed with two L type rods in symmetry, the outer wall of two L type rods' end is respectively with the upper and lower outer wall of assembly ring and is pasted, the outer wall of assembly ring is installed with multiple assembly blocks in array symmetry, the inside of multiple assembly blocks is fixedly installed with reset spring between the outer wall and assembly ring, the outer wall of assembly block is installed with multiple broken steel needles in array, the inside of assembly block is fixedly installed with pressure sensor, the outside of pressure sensor is fixedly installed with pressure spring between the bottom of broken steel needle, the outer wall of L type rod and assembly block is equipped with the wedge surface, and the wedge surface of L type rod and assembly block can form the abutment.

[0009] As the preferred technical scheme of the application, the switching assembly includes a strong magnetic block slidingly installed inside the reciprocating wire rod. The strong magnetic block and the reciprocating wire rod are designed for synchronous rotation, and the strong magnetic block and the magnetic sleeve are designed for magnetic attraction.

[0010] As the preferred technical scheme of the application, the end of the connecting rod is fixedly installed with a dual-phase electric cylinder inside. One side output end of the dual-phase electric cylinder is rotatably installed with a threaded block, and the other side output end of the dual-phase electric cylinder is fixedly installed with a U-shaped rod.

[0011] As the preferred technical scheme of the application, the threaded block is designed to mesh with the reciprocating wire rod. Both ends of the U-shaped rod are fixedly installed with butt joint blocks. The inner circular outer wall of the assembly ring is symmetrically and arrayed provided with a plurality of butt joint grooves. The butt joint grooves are designed to be clamped with the butt joint blocks. The pressure sensor is electrically connected with the dual-phase electric cylinder.

[0012] As the preferred technical scheme of the application, the outer wall of the assembly block is provided with a shaving assembly. The shaving assembly includes a sliding groove provided on the outer wall of the assembly block, a T-shaped block slidingly installed in the sliding groove, and a scraper fixedly installed at the end of the T-shaped block.

[0013] As the preferred technical scheme of the application, the scraper is designed to be inclined. The cutting edge surface of the scraper is pasted with the inner wall of the flue body. The outer wall of the T-shaped block is fixedly installed with an extension spring between the inner wall of the sliding groove.

[0014] As the preferred technical scheme of the application, the outer wall of the scraper is symmetrically installed with two piston rods. The outer wall of the assembly ring is arrayed provided with a plurality of through grooves. The piston rods are located in the through grooves. The end of the piston rod is fixedly installed with a rubber wedge-shaped block.

[0015] As a preferred technical solution of this application, the outer wall array of the rotating ring is provided with multiple grooves, and the rubber wedge block and the grooves can form an abutment design.

[0016] As a preferred technical solution of this application, an induced draft fan is fixedly installed on the top of the flue body, and the end of the reciprocating screw is fixedly connected to the bottom of the induced draft fan, so that the induced draft fan can synchronously drive the reciprocating screw to rotate.

[0017] As a preferred technical solution of this application, multiple rubber rods are arrayed on the upper and lower outer walls of the magnetic sleeve, and rubber balls are fixedly installed at the ends of the rubber rods. The outer wall of the rubber balls is designed to fit the outer wall of the reciprocating screw, and a cover is fixedly installed on the top of the induced draft fan.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] In the scheme of this application:

[0020] 1. To address the problem in existing technologies where dust and moisture combine to form cement-like grime that solidifies inside flues and is difficult to remove, this application utilizes a cleaning component with an assembly ring that moves up and down. When grime is generated, it comes into contact with the crushing steel needle, causing the pressure sensor to receive a pressure signal and triggering a dual-phase electric cylinder. This prevents the assembly ring from moving up and down, while the internal rotating ring rotates. The wedge-shaped surfaces of the L-shaped rod and the assembly block form abutments, allowing the assembly block to move up and down. This causes the crushing steel needle to continuously impact the grime until it breaks and falls off, achieving the effect of breaking and cleaning stubborn grime generated inside the flue.

[0021] 2. In order to solve the problem of poor cleaning effect in the prior art, this application uses a scraping component to continuously scrape and clean the inner wall of the flue during the up and down displacement of the assembly ring. When the broken steel needle encounters dirt, it can make the scraper move up and down synchronously. Furthermore, through the engagement of the rubber wedge block at the end of the piston rod with the groove, the scraper vibrates while continuously moving up and down under the continuous rotation of the rotating ring, thereby improving the cleaning effect on the inside of the flue.

[0022] 3. Multiple rubber rods are fixedly installed on both the upper and lower sides of the magnetic sleeve. Rubber balls are fixedly installed at the ends of the rubber rods. The outer wall of the rubber balls is in contact with the outer wall of the reciprocating screw. When the magnetic sleeve moves up and down or rotates freely, the rubber balls can contact the threaded grooves on the outer wall of the reciprocating screw, so that the reciprocating screw can generate a certain vibration. This solves the problem in the prior art where dust in the flue is adsorbed on the outer wall of the reciprocating screw, affecting the operation of the dust removal and scraping components. Attached Figure Description

[0023] Figure 1The structural schematic diagram of the ash removal device of the power plant flue provided in the present application is shown in the figure.

[0024] Figure 2 The structural schematic diagram of the ash removal component of the ash removal device of the power plant flue provided in the present application is shown in the figure.

[0025] Figure 3 The structural schematic diagram of the ash removal device of the power plant flue provided in the present application is shown in the figure. Figure 2 The enlarged structural schematic diagram of the A part in the figure is shown in the figure.

[0026] Figure 4 The internal structural schematic diagram of the ash removal component of the ash removal device of the power plant flue provided in the present application is shown in the figure.

[0027] Figure 5 The structural schematic diagram of the ash removal device of the power plant flue provided in the present application is shown in the figure. Figure 4 The enlarged structural schematic diagram of the B part in the figure is shown in the figure.

[0028] Figure 6 The structural schematic diagram of the ash removal device of the power plant flue provided in the present application is shown in the figure. Figure 4 The enlarged structural schematic diagram of the C part in the figure is shown in the figure.

[0029] Figure 7 The exploded structural schematic diagram of the ash removal component of the ash removal device of the power plant flue provided in the present application is shown in the figure.

[0030] Figure 8 The structural schematic diagram of the ash removal device of the power plant flue provided in the present application is shown in the figure. Figure 7 The enlarged structural schematic diagram of the D part in the figure is shown in the figure.

[0031] The figure is marked as:

[0032] 1. Flue body; 101. Induced draft fan; 102. Cover; 103. Reciprocating wire rod;

[0033] 2. Ash removal component; 201. Magnetic sleeve; 202. Connecting rod; 203. Rotary ring; 204. Assembly ring; 205. L-shaped rod; 206. Assembly block; 207. Reset spring; 208. Broken steel needle; 209. Compression spring; 210. Pressure sensor; 211. Rubber rod; 212. Rubber ball;

[0034] 3. Shaving component; 301. T-shaped block; 302. Scraper; 303. Extension spring; 304. Piston rod; 305. Rubber wedge block; 306. Groove; 307. Through slot; 308. Slide groove;

[0035] 4. Switching component; 401. Strong magnetic block; 402. Two-phase electric cylinder; 403. Threaded block; 404. U-shaped rod; 405. Butt joint block; 406. Butt joint groove. DETAILED DESCRIPTION

[0036] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0037] As described in the background, in order to solve the problem that the dust in the flue combines with water to form cement-like dust condensate in the pipeline, which is difficult to remove by a simple brush and scraper.

[0038] In order to solve this technical problem, the present application provides a power plant flue dust removal device, which is applied to flue cleaning.

[0039] Specifically, please refer to Figures 1-8 The power plant flue dust removal device specifically comprises:

[0040] The flue body 1 is internally provided with a reciprocating wire rod 103; a dust removal assembly 2 is arranged between the outer wall of the reciprocating wire rod 103 and the inner wall of the flue body 1, the dust removal assembly 2 comprises a magnetic sleeve 201 which is slidingly installed on the outer wall of the reciprocating wire rod 103, a plurality of connecting rods 202 which are arrayed on the outer wall of the magnetic sleeve 201, a rotating ring 203 which is fixedly installed at the end of the connecting rod 202, an assembly ring 204 which is rotatably installed on the outer wall of the rotating ring 203 by clamping, two L-shaped rods 205 which are symmetrically installed on the outer wall of the connecting rod 202, the end outer walls of the two L-shaped rods 205 are respectively matched with the upper and lower outer walls of the assembly ring 204, a plurality of assembly blocks 206 which are arrayed and symmetrically installed on the outer wall of the assembly ring 204, a reset spring 207 which is fixedly installed between the outer wall of the assembly block 206 and the inside of the assembly ring 204, a plurality of broken steel needles 208 which are arrayed on the outer wall of the assembly block 206, a pressure sensor 210 which is fixedly installed in the inside of the assembly block 206, a compression spring 209 which is fixedly installed between the outer wall of the pressure sensor 210 and the bottom of the broken steel needle 208, and the outer walls of the L-shaped rod 205 and the assembly block 206 are respectively provided with wedge surfaces, and the wedge surfaces of the L-shaped rod 205 and the assembly block 206 can abut each other.

[0041] The magnetic sleeve 201 and the reciprocating wire rod 103 are provided with a switching assembly 4, and the switching assembly 4 can switch the threaded clamping design of the magnetic sleeve 201 and the reciprocating wire rod 103 to synchronous rotation design.

[0042] The power plant flue dust cleaning device provided by the application can solve the problem that dust in the flue combines with water to form dust dirt that is solidified in the pipeline and is difficult to remove, and the dust dirt is difficult to remove by a simple brush and scraper. The dust cleaning assembly 2 is arranged, and the rotation of the reciprocating screw rod 103 can drive the magnetic sleeve 201 to reciprocate up and down in the engaged state, so as to drive the assembly ring 204 to reciprocate up and down, and further drive the plurality of assembly blocks 206 to reciprocate up and down. When the dust dirt is solidified in the flue body 1, the breaking steel needle 208 arranged on the assembly block 206 contacts the dust dirt, so that the breaking steel needle 208 is pressed down, the pressure generated by the compression spring 209 is transmitted to the pressure sensor 210, so as to trigger the switching assembly 4. Under the action of the switching assembly 4, the engagement of the magnetic sleeve 201 and the reciprocating screw rod 103 is switched to synchronous rotation, so that the magnetic sleeve 201 can rotate, drive the connecting rod 202 to rotate, and further make the L-shaped rod 205 on the connecting rod 202 rotate on the outer wall of the assembly ring 204. The inclined surfaces arranged on the L-shaped rod 205 and the assembly block 206 can abut, so as to displace the assembly block 206. When the L-shaped rod 205 is displaced, the assembly block 206 is reset under the action of the reset spring 207, so as to drive the breaking steel needle 208 to hit the dust dirt. Through repeated impact, the dust dirt formed in the flue body 1 can be broken and fallen off. Through the elastic action of the reset spring 207 and the compression spring 209, the damage of the breaking steel needle 208 to the flue body 1 during breaking of the dust dirt can be weakened. After the dust dirt is broken and fallen off, the pressure sensor 210 does not receive the pressure signal, so as to trigger the switching assembly 4 again, so that the synchronous rotation of the magnetic sleeve 201 and the reciprocating screw rod 103 is switched to the engagement design, and further the assembly ring 204 can reciprocate up and down again, so as to realize large-area dust cleaning treatment in the flue body 1.

[0043] In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0044] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0045] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0046] Embodiment 1, please refer to Figures 1-6The utility model provides a kind of power plant flue dust cleaning device, its flue body 1, reciprocating wire rod 103 is equipped in flue body 1;Reciprocating wire rod 103 The outer wall between and the inner wall of flue body 1 is equipped with dust cleaning assembly 2, dust cleaning assembly 2 includes the outer wall sliding installation of reciprocating wire rod 103 Magnetic sleeve 201, multiple connecting rods 202 are installed in the outer wall array of magnetic sleeve 201, multiple connecting rods 202 End fixedly installed with rotating ring 203, rotating ring 203 The outer wall of is clamped and rotatably installed with assembly ring 204, the outer wall of connecting rod 202 It is symmetrically installed with two L-shaped rods 205, the outer wall of two L-shaped rods 205 End respectively with the upper and lower outer wall of assembly ring 204 Stick together, multiple assembly blocks 206 are installed in the outer wall array of assembly ring 204, multiple assembly blocks 206 The inside between and assembly ring 204 are fixedly installed with return spring 207, multiple broken steel needles 208 are installed in the outer wall of assembly block 206, pressure sensor 210 is fixedly installed in the inside of assembly block 206, pressure sensor 210 The outer wall between and the bottom of broken steel needle 208 are fixedly installed with compression spring 209, the outer wall of L-shaped rod 205 And assembly block 206 are equipped with wedge surface, and the wedge surface of L-shaped rod 205 With the wedge surface of assembly block 206 It can form abutment;

[0047] Magnetic sleeve 201 With reciprocating wire rod 103 Between them is equipped with switching assembly 4, and switching assembly 4 can make magnetic sleeve 201 With the thread joint design of reciprocating wire rod 103 Switch to synchronous rotation design;

[0048] Switching assembly 4 includes the sliding installation of reciprocating wire rod 103 Inside strong magnetic block 401, and strong magnetic block 401 With reciprocating wire rod 103 It is synchronous rotation design, and strong magnetic block 401 With magnetic sleeve 201 It is magnetic attraction design;

[0049] Double-phase electric cylinder 402 is fixedly installed in the end of connecting rod 202, and the side output end of double-phase electric cylinder 402 Rotatably installed with threaded block 403, and the other side output end of double-phase electric cylinder 402 Fixedly installed with U-shaped rod 404;

[0050] Threaded block 403 With reciprocating wire rod 103 It is meshing design, and the both ends of U-shaped rod 404 Fixedly installed with butt joint block 405, and the inner circle outer wall of assembly ring 204 It is symmetrically arrayed to be provided with multiple butt joint grooves 406, and butt joint groove 406 It can be formed with butt joint block 405 It is clamped and connected design, and pressure sensor 210 With double-phase electric cylinder 402 It is electrically connected.

[0051] In order to solve the problem that the dust in the flue combines with water to form cement-like dust condensate in the pipeline, which is difficult to remove, and through a simple brush and scraper, it is difficult to remove, the present application sets up the dust removal assembly 2 which can drive the magnetic sleeve 201 to reciprocate up and down when it is engaged with the reciprocating screw rod 103, so as to drive the assembly ring 204 to reciprocate up and down, and then drive the assembly block 206 to reciprocate up and down, when the dust condensate is generated in the flue body 1, the broken steel needle 208 arranged on the assembly block 206 will contact with the dust condensate, so that the broken steel needle 208 is pressed down, and the pressure is transmitted to the pressure sensor 210 through the compression spring 209, so as to trigger the switching assembly 4, under the action of the switching assembly 4, the magnetic sleeve 201 and the threaded connection of the reciprocating screw rod 103 are switched to be able to rotate synchronously, so as to make the magnetic sleeve 201 rotate, drive the connecting rod 202 to rotate, and then make the L-shaped rod 205 on the connecting rod 202 rotate on the outer wall of the assembly ring 204, the inclined surface arranged on the L-shaped rod 205 and the assembly block 206 respectively can form abutment, so as to make the assembly block 206 displace, when the L-shaped rod 205 displaces, the assembly block 206 is reset under the action of the reset spring 207, so as to drive the broken steel needle 208 to hit the dust condensate, through the reciprocating impact, the dust condensate formed in the flue body 1 can be broken and fallen, through the elastic action of the reset spring 207 and the compression spring 209, the damage of the broken steel needle 208 to the flue body 1 when breaking the dust condensate can be weakened, when the dust condensate is broken and fallen, the pressure sensor 210 does not receive the pressure signal, so as to trigger the switching assembly 4 again, the synchronous rotation of the magnetic sleeve 201 and the reciprocating screw rod 103 is switched to threaded connection design, and then the assembly ring 204 can reciprocate up and down again, so as to realize large-area dust removal treatment in the flue body 1.

[0052] Specifically, through the electrical connection of the pressure sensor 210 and the dual-phase electric cylinder 402, when the pressure sensor 210 receives a pressure signal, the two output ends of the dual-phase electric cylinder 402 can work synchronously, so that the threaded block 403 at one end is displaced, thereby releasing the threaded connection between the magnetic sleeve 201 and the reciprocating screw rod 103, and the U-shaped rod 404 at the other end is displaced, thereby driving the displacement of the butt joint block 405 at the end of the U-shaped rod 404, so that the butt joint block 405 and the butt joint groove 406 are released, thereby enabling the rotating ring 203 to rotate freely. Through the synchronous rotation design of the strong magnetic block 401 inside the reciprocating screw rod 103, the rotation of the reciprocating screw rod 103 can drive the rotation of the strong magnetic block 401, and under the magnetic attraction between the strong magnetic block 401 and the magnetic sleeve 201, the magnetic sleeve 201 rotates synchronously, and then rotates through the L-shaped rod 205 on the connecting rod 202, thereby realizing the upward and downward displacement of the assembly block 206. The broken steel needle 208 can break and process dust, and when the pressure sensor 210 does not receive a pressure signal, the dual-phase electric cylinder 402 is triggered again, so that the threaded block 403 and the U-shaped rod 404 are displaced, thereby forming threaded connection between the magnetic sleeve 201 and the reciprocating screw rod 103 again, and the butt joint block 405 and the butt joint groove 406 form a connection, so that the rotating ring 203 and the assembly ring 204 are fixed, and under the rotation of the reciprocating screw rod 103, the magnetic sleeve 201 can reciprocate upward and downward.

[0053] In example 2, the power plant flue ash removal device provided in example 1 is further optimized, specifically, as shown in Figure 7 、 Figure 8 The outer wall of the assembly block 206 is provided with a shaving assembly 3, the shaving assembly 3 comprises a sliding groove 308 opened in the outer wall of the assembly block 206, a T-shaped block 301 slidingly installed in the sliding groove 308, and a scraper 302 fixedly installed at the end of the T-shaped block 301.

[0054] The scraper 302 is designed in an inclined manner, the blade surface of the scraper 302 is attached to the inner wall of the flue body 1, and a telescopic spring 303 is fixedly installed between the outer wall of the T-shaped block 301 and the inner wall of the sliding groove 308.

[0055] Two piston rods 304 are symmetrically installed on the outer wall of the scraper 302, a plurality of through grooves 307 are arrayed and opened on the outer wall of the assembly ring 204, the piston rods 304 are located in the through grooves 307, and a rubber wedge block 305 is fixedly installed at the end of the piston rod 304.

[0056] A plurality of grooves 306 are arrayed and opened on the outer circular outer wall of the rotating ring 203, and the rubber wedge block 305 and the groove 306 can form an abutting design.

[0057] An induced draft fan 101 is fixedly installed at the top of the flue body 1, and the end of the reciprocating screw rod 103 is fixedly connected with the bottom of the induced draft fan 101, so that the induced draft fan 101 can synchronously drive the reciprocating screw rod 103 to rotate.

[0058] By opening the chute 308 at the bottom of the assembly block 206, the T-shaped block 301 arranged in the chute 308 is under the action of the telescopic spring 303, so that the blade surface of the scraper 302 is always attached to the inner wall of the flue body 1. During the up and down displacement of the assembly ring 204, the scraper 302 can shave and clean the inner wall of the flue body 1. Through the beveling design of the scraper 302, the assembly ring 204 cannot rotate in the interior of the flue body 1, so that the magnetic sleeve 201 can be displaced up and down when being screwed with the reciprocating screw rod 103. When the broken steel needle 208 contacts the dust and starts the breaking process, the up and down displacement of the assembly block 206 can synchronously drive the up and down displacement of the scraper 302. Under the action of the piston rod 304, the rubber wedge block 305 is in abutment with the groove 306, and the scraper is vibrated while being displaced up and down by rotating the rotating ring 203, so as to achieve the effect of deeply cleaning the inner wall of the flue body 1.

[0059] In the embodiment 3, the power plant flue ash removal device provided in the embodiments 1 or 2 is further optimized, and specifically, as shown in Figure 4 、 Figure 5 The upper and lower outer walls of the magnetic sleeve 201 are arrayed with a plurality of rubber rods 211, the end portions of the rubber rods 211 are fixedly installed with rubber balls 212, the outer wall of the rubber ball 212 is in attachment with the outer wall of the reciprocating screw rod 103, and the top of the induced draft fan 101 is fixedly installed with the cover 102.

[0060] The induced draft fan 101 fixedly installed at the top of the flue body 1 is started during the work of the power plant, so as to drive the continuous rotation of the reciprocating screw rod 103, thereby realizing the continuous work of the ash removal assembly 2 and the shaving assembly 3, and continuously cleaning the interior of the flue body 1. The upper and lower outer walls of the magnetic sleeve 201 are arrayed with a plurality of rubber rods 211, the end portions of the rubber rods 211 are fixedly installed with rubber balls 212, the outer wall of the rubber ball 212 is in attachment with the outer wall of the reciprocating screw rod 103, and the upper and lower displacement or rotation of the magnetic sleeve 201 can synchronously drive the upper and lower displacement or rotation of the rubber ball 212. The rubber ball 212 can be impacted with the threaded groove of the reciprocating screw rod 103 during the up and down displacement or rotation, thereby generating vibration, preventing the dust in the flue body 1 from being adsorbed on the outer wall of the reciprocating screw rod 103 during the work of the power plant, and thereby affecting the work of the ash removal assembly 2 and the shaving assembly 3.

[0061] The use process of the power plant flue ash removal device provided by the application is as follows:

[0062] In the initial state, the threaded block 403 is threadedly connected with the reciprocating screw rod 103 by the dual-phase electric cylinder 402, and the abutting block 405 is connected with the abutting groove 406, the reciprocating screw rod 103 is driven to rotate by the working of the induced draft fan 101, so that the magnetic sleeve 201 reciprocates up and down, and the assembly ring 204 reciprocates up and down, the inside of the flue body 1 can be continuously cleaned by the scraper 302, when dust is generated in the inside of the flue body 1, the broken steel needle 208 on one side of the assembly ring 204 can contact the dust by the up or down movement of the assembly ring 204, so that the broken steel needle 208 generates pressure, when the pressure sensor 210 receives the pressure signal, the dual-phase electric cylinder 402 is triggered to drive the two output ends to displace, so that the threaded connection between the threaded block 403 and the reciprocating screw rod 103 is released, and the connection between the abutting block 405 and the abutting groove 406 is released, so that the rotating ring 203 can freely rotate in the assembly ring 204, the magnetic sleeve 201 is driven to rotate by the rotation of the reciprocating screw rod 103, so as to drive the L-shaped rod 205 to rotate, the wedge surfaces arranged on the L-shaped rod 205 and the assembly block 206 can form abutment, so as to make the assembly block 206 move down, and then the L-shaped rod 205 is reset under the action of the reset spring 207, so as to realize the up and down reciprocating displacement of the assembly block 206 driven by the broken steel needle 208, and the effect of breaking and cleaning the dust is realized, at the same time, the scraper 302 is synchronously displaced up and down under the action of the assembly block 206, and the rubber wedge block 305 arranged at the end of the piston rod 304 can be connected with the groove formed on the outer wall of the rotating ring 203 under the continuous rotation of the rotating ring 203, so as to make the scraper 302 vibrate while displacing up and down, so as to realize the effect of deep cleaning of the inside of the flue body 1, when the pressure sensor 210 does not receive the pressure signal, the dual-phase electric cylinder 402 is triggered again, so that the threaded block 403 is threadedly connected with the reciprocating screw rod 103, and the abutting block 405 is connected with the abutting groove 406, so that the magnetic sleeve 201 cannot freely rotate, under the threaded connection between the threaded block 403 and the reciprocating screw rod 103, the magnetic sleeve 201, the connecting rod 202, the rotating ring 203 and the assembly ring 204 reciprocate up and down synchronously;

[0063] A plurality of rubber rods 211 are arranged on the upper and lower outer walls of the magnetic sleeve 201, and rubber balls 212 are fixedly installed at the ends of the rubber rods 211, and the outer wall of the rubber ball 212 is attached to the outer wall of the reciprocating screw rod 103, so that the rubber ball 212 can be synchronously driven to move up and down or rotate when the magnetic sleeve 201 moves up and down or rotates, and the rubber ball 212 can impact the threaded groove of the reciprocating screw rod 103 when moving up and down or rotating, thereby generating vibration, preventing dust in the flue body 1 from being adsorbed on the outer wall of the reciprocating screw rod 103 when working in the power plant, and thereby affecting the work of the dust removal assembly 2 and the shaving assembly 3.

[0064] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected or can communicate with each other; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0065] Obviously, the above-described embodiments are only some of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the contents of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the scope of the patent protection of the present application.

Claims

1. A flue gas cleaning device for power plants, characterized in that, The system includes a flue body (1), within which a reciprocating screw (103) is provided; a dust removal assembly (2) is provided between the outer wall of the reciprocating screw (103) and the inner wall of the flue body (1), the dust removal assembly (2) including a magnetic sleeve (201) slidably mounted on the outer wall of the reciprocating screw (103), a plurality of connecting rods (202) being arrayed on the outer wall of the magnetic sleeve (201), a rotating ring (203) being fixedly mounted at the end of the plurality of connecting rods (202), an assembly ring (204) being rotatably mounted on the outer wall of the rotating ring (203), and two L-shaped rods (205) being symmetrically mounted on the outer wall of the connecting rods (202), the outer walls of the ends of the two L-shaped rods (205) being respectively connected to the assembly rings (204). The upper and lower outer walls of the assembly ring (204) are fitted together. Multiple assembly blocks (206) are symmetrically arranged on the outer wall of the assembly ring (204). A return spring (207) is fixedly installed between the outer wall of the multiple assembly blocks (206) and the interior of the assembly ring (204). Multiple crushing steel needles (208) are arranged on the outer wall of the assembly blocks (206). A pressure sensor (210) is fixedly installed inside the assembly blocks (206). A compression spring (209) is fixedly installed between the outer wall of the pressure sensor (210) and the bottom of the crushing steel needle (208). The outer walls of the L-shaped rod (205) and the assembly blocks (206) are provided with wedge-shaped surfaces. The wedge-shaped surfaces of the L-shaped rod (205) and the assembly blocks (206) can form an abutment. A switching component (4) is provided between the magnetic sleeve (201) and the reciprocating screw (103). The switching component (4) can switch the threaded engagement design of the magnetic sleeve (201) and the reciprocating screw (103) to a synchronous rotation design.

2. The power plant flue gas cleaning device according to claim 1, characterized in that, The switching component (4) includes a strong magnetic block (401) that is slidably installed inside the reciprocating lead screw (103). The strong magnetic block (401) and the reciprocating lead screw (103) are designed to rotate synchronously, and the strong magnetic block (401) and the magnetic sleeve (201) are designed to attract each other magnetically.

3. The power plant flue gas cleaning device according to claim 2, characterized in that, A dual-phase electric cylinder (402) is fixedly installed inside the end of the connecting rod (202). A threaded block (403) is rotatably installed on one output end of the dual-phase electric cylinder (402), and a U-shaped rod (404) is fixedly installed on the other output end of the dual-phase electric cylinder (402).

4. The power plant flue gas cleaning device according to claim 3, characterized in that, The threaded block (403) and the reciprocating screw (103) are designed to mesh. Both ends of the U-shaped rod (404) are fixedly installed with docking blocks (405). The inner circle outer wall of the assembly ring (204) is symmetrically arrayed with multiple docking grooves (406). The docking grooves (406) can form a snap-fit ​​design with the docking blocks (405). The pressure sensor (210) and the dual-phase electric cylinder (402) are electrically connected.

5. A power plant flue gas cleaning device according to claim 4, characterized in that, The outer wall of the assembly block (206) is provided with a scraping assembly (3). The scraping assembly (3) includes a groove (308) opened on the outer wall of the assembly block (206), a T-shaped block (301) is slidably installed in the groove (308), and a scraper (302) is fixedly installed at the end of the T-shaped block (301).

6. The power plant flue gas cleaning device according to claim 5, characterized in that, The scraper (302) is designed with an inclination. The blade of the scraper (302) is in contact with the inner wall of the flue body (1). A telescopic spring (303) is fixedly installed between the outer wall of the T-block (301) and the inner wall of the slide groove (308).

7. A power plant flue gas cleaning device according to claim 6, characterized in that, Two piston rods (304) are symmetrically installed on the outer wall of the scraper (302). The outer wall of the assembly ring (204) is provided with multiple through grooves (307). The piston rods (304) are located in the through grooves (307). A rubber wedge block (305) is fixedly installed at the end of the piston rods (304).

8. A power plant flue gas cleaning device according to claim 7, characterized in that, The outer wall of the rotating ring (203) is provided with a plurality of grooves (306), and the rubber wedge block (305) and the grooves (306) can form an abutment design.

9. A power plant flue gas cleaning device according to claim 1, characterized in that, An induced draft fan (101) is fixedly installed on the top of the flue body (1), and the end of the reciprocating screw (103) is fixedly connected to the bottom of the induced draft fan (101). The induced draft fan (101) can synchronously drive the reciprocating screw (103) to rotate.

10. A power plant flue gas cleaning device according to claim 9, characterized in that, Multiple rubber rods (211) are arrayed on the upper and lower outer walls of the magnetic sleeve (201). A rubber ball (212) is fixedly installed at the end of the rubber rod (211). The outer wall of the rubber ball (212) is designed to fit the outer wall of the reciprocating screw (103). A cover (102) is fixedly installed on the top of the blower (101).

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