Flue gas dust removal and desulfurization device for thermal power generation

Abstract

The invention relates to the technical field of thermal power generation, and discloses a flue gas dust removal and desulfurization device for thermal power generation, which comprises a machine body, an exhaust pipe is arranged at the top of the machine body, a motor I is arranged at the bottom of the machine body, a flue gas inlet is formed in the rear part of the machine body, a dust removal device is arranged in the machine body, and a flue gas stirring device is arranged in the machine body. A second motor is arranged at the top of the smoke stirring device, a material flattening mechanism is arranged at the bottom of the smoke stirring device, dust scraped from a dust sticking plate and a machine body can fall to the top of a dust guide plate, and due to the fact that the dust guide plate is inclined, the dust enters a dust guide opening through an inclined face and falls into a slag collecting box; and when the scraping rod rotates, a bottom transmission wheel is in contact with the dust guide plate, so that the dust guide plate moves downwards under the limitation of a limiting groove, and then a spring is reset, the effect that the dust guide plate fluctuates up and down is achieved, and smoke residues attached to the surface are shaken off into a dust guide opening.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste gas purification, in particular to a flue gas dust removal and desulfurization device for thermal power generation. BACKGROUND

[0002] The smoke treatment equipment is a necessary supporting equipment for thermal power plants. It can greatly reduce the amount of smoke discharged into the atmosphere by purifying the smoke, thereby improving environmental pollution. The traditional smoke treatment device will have some residual sulfur elements when treating waste gas. Therefore, a device is needed that can effectively remove sulfur elements from waste gas and provide good cleaning effect for waste residue.

[0003] The patent with publication number CN119406221A discloses a thermal power plant smoke treatment device, which includes a bottom plate, a filter box fixedly connected to the top of the bottom plate, an air inlet pipe fixedly connected to the left side of the filter box, a fan fixedly connected to the top of the bottom plate, and an air suction pipe fixedly connected between the fan and the filter box. The patent can effectively recycle the heat in the flue gas, heat the water in the water storage machine, and improve the energy utilization efficiency of the entire system. This helps to reduce energy waste and production costs, reduces the demand for additional energy by recycling the heat in the flue gas, and helps to reduce greenhouse gas emissions and other pollutant emissions, which meets the environmental protection requirements of energy saving and emission reduction. At the same time, the heat of the flue gas is transferred to the water in the water storage machine, which can reduce the temperature of the flue gas. This helps to reduce the thermal load on subsequent flue gas treatment equipment, prolongs the service life of the equipment, and reduces equipment maintenance costs. Although the patent solves the above problems, it still has the problem that the filter residue is difficult to clean, and the filter residue will accumulate in the device after long-term use, affecting the use effect. Therefore, a flue gas dust removal and desulfurization device for thermal power generation is proposed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a flue gas dust removal and desulfurization device for thermal power generation to solve the above problems.

[0005] The technical scheme that the application adopts is as follows: a flue gas dust removal and desulfurization device for thermal power generation, comprising a machine body, a draft tube arranged at the top of the machine body, a motor one arranged at the bottom of the machine body, a smoke inlet arranged at the rear of the machine body, a dust removal device arranged in the machine body, a smoke stirring device arranged in the machine body, a motor two arranged at the top of the smoke stirring device, a material leveling mechanism arranged at the bottom of the smoke stirring device, a smoke extraction fan arranged at the bottom of the draft tube, a water tank arranged at the front of the machine body, a water spraying pipe arranged at the top of the water tank, a belt pulley arranged at the front of the smoke stirring device, a smoke outlet arranged at the top of the machine body, a slag collecting tank arranged at the bottom of the smoke stirring device, the dust removal device comprising a dust collecting plate, a scraper rod, a spring, a reciprocating rod, a transmission wheel, and a wall scraping rod, the reciprocating rod being fixedly connected to the output end of the motor one, the dust collecting plate being fixedly connected to the outer surface of the reciprocating rod, the scraper rod being movably connected to the outer circumferential surface of the reciprocating rod, the wall scraping rod being fixedly connected to both ends of the reciprocating rod, the transmission wheel being rotatably connected to the bottom of the wall scraping rod, one end of the spring being fixedly connected to the bottom of the dust guide plate, the other end of the spring being fixedly connected to the inner wall of the bottom of the machine body, when gas enters the device from the smoke inlet, the motor one is started to drive the reciprocating rod to rotate, at the same time, the dust collecting plate on the outer circumferential surface of the reciprocating rod and the scraper rod also rotate, the scraper rod moves up and down in the reciprocating groove on the surface of the reciprocating rod and under the limitation of the dust collecting plate, the reciprocating rod drives the wall scraping rod to rotate when rotating, the transmission wheel at the bottom of the wall scraping rod contacts the dust guide plate at the bottom when the wall scraping rod rotates, the dust collecting plate on the circumferential surface captures large particles in the smoke when the reciprocating rod rotates, so that the large particles are adsorbed on the dust collecting plate, at the same time, the scraper rod moves up and down to scrape the surface of the dust collecting plate to prevent too many large particles on the surface of the dust collecting plate from affecting the dust removal effect, the reciprocating rod drives the wall scraping rod to rotate when rotating, so that the impurities on the inner surface of the machine body are scraped off, the dust falling from the dust collecting plate and the machine body falls to the top of the dust guide plate, the dust falls into the slag collecting tank through the inclined surface of the dust guide plate, the bottom transmission wheel of the scraper rod contacts the dust guide plate to make the dust guide plate move down under the limitation of the limiting groove and then be reset by the spring, so that the dust guide plate moves up and down, and the smoke residue adhering to the surface is shaken off into the dust guide port.

[0006] Preferably, the dust removal device further comprises a torsion spring plate, a torsion spring, a dust guide, an L-shaped rod, a limiting groove, a dust guide plate, the dust guide is arranged at the rear of the body, one end of the torsion spring is fixedly connected to the bottom of the dust guide, the other end of the torsion spring is fixedly connected to the torsion spring plate, the dust guide plate is arranged on the inner surface of the body, the limiting groove is fixedly connected to the inner surface of the body, one end of the L-shaped rod is fixedly connected to the bottom of the dust guide plate, the other end of the L-shaped rod is slidably connected to the inner surface of the limiting groove, the lime cabin is arranged on the top of the wall scraping rod, the lime cabin comprises a stirring rod, a powder screen, a return spring, a semicircular block and a blocking block, the stirring rod is rotatably connected to the inner surface of the lime cabin, the powder screen is fixedly connected to the inner surface of the lime cabin, the semicircular block is fixedly connected to the bottom of the stirring rod, one end of the return spring is fixedly connected to the bottom of the lime cabin, the other end of the return spring is fixedly connected to the top of the semicircular block, the blocking block is fixedly connected to the outer circumferential surface of the reciprocating strip rod, the semicircular block is located on the movement track of the wall scraping rod, the powder screen is located on the movement track of the blocking block, when the wall scraping rod rotates and the top part contacts the semicircular block, the semicircular block moves upward, under the action of the helical groove on the surface of the stirring rod, the semicircular block rotates upward, and finally the semicircular block is reset by the return spring, when the device is started, the blocking block rotates under the driving of the reciprocating strip rod, smoke dust is sucked to the top of the device by the smoke fan, and lime powder in the lime cabin is also sucked into the exhaust pipe with the gas, under the action of the rotation of the blocking block, the lime is more uniformly mixed with the gas, and the waste of lime is avoided, at the same time, the internal stirring rod rotates up and down under the driving of the wall scraping rod, so that the purpose of stirring the lime in the lime cabin is achieved, and the service life is prolonged.

[0007] Preferably, the smoke stirring device comprises a fan plate rod, a round wheel, a fan water plate, a blocking plate, a reciprocating wire rod one, a bevel gear one, a push rod, a bevel gear two, the fan plate rod is arranged at the output end of the motor two, the round wheel is rotationally connected to the inner surface of the fan plate rod, the bevel gear two is fixedly connected to the bottom of the fan plate rod, the reciprocating wire rod one is rotationally connected inside the smoke stirring device, the bevel gear one is fixedly connected to the front part of the reciprocating wire rod one, the blocking plate is slidingly connected inside the machine body, the fan water plate is rotationally connected to the inner wall of the top of the machine body, the other end is fixedly connected to the rear part of the blocking plate, the push rod is slidingly connected to the outer circumferential surface of the reciprocating wire rod one, the fan water plate is rotationally connected to the top of the inner surface of the smoke stirring device, the fan water plate is located on the movement track of the round wheel, the bevel gear one is engaged with the bevel gear two, the material blocking mechanism comprises a reciprocating wire rod two and a grab rake, the reciprocating wire rod two is arranged inside the residue collecting box, the grab rake is rotationally connected to the outer circumferential surface of the reciprocating wire rod two, when the motor two is started, the fan plate rod at the output end rotates, thereby driving the fan water plate to rotate through the round wheel, the fan plate rod rotates at the same time to drive the bottom bevel gear two to rotate, thereby driving the bevel gear one to rotate, the reciprocating wire rod one rotates to drive the push rod on the surface to reciprocate, when the smoke and lime are mixed and enter the device, the water sprayed by the water spraying pipe reacts with the lime to remove the sulfur element in the smoke dust, under the rotation of the fan water plate, the water is splashed to increase the contact area of the smoke dust and the lime, under the rotation of the fan plate rod, the smoke, water and lime are further mixed to achieve a better sulfur removal effect, when the reaction is completed, the lime in the water vapor is precipitated to the bottom of the device, under the rotation of the reciprocating wire rod one, the push rod reciprocates to clean the lime condensation block at the bottom of the device, when the push rod moves to both sides of the device, the blocking plate is pushed to shrink into the device, thereby making the lime condensation block fall into the residue collecting box.

[0008] The technical scheme disclosed by the application can bring the following beneficial effects: 1. The flue gas dust removal and desulfurization device for thermal power generation, under the interaction of the reciprocating strip rod, the dust collecting plate, the scraping rod, the scraping wall rod, the spring, the dust guide plate, the dust guide port and the limiting groove, the reciprocating strip rod rotates to drive the circumferential dust collecting plate to capture large particles in the smoke, so that the large particles are adsorbed on the dust collecting plate, at the same time, the scraping rod reciprocates to scrape the surface of the dust collecting plate to prevent too many large particles on the surface of the dust collecting plate from affecting the dust removal effect, the reciprocating strip rod rotates to drive the scraping wall rod to rotate to scrape the impurities on the inner surface of the machine body, the dust scraped off from the dust collecting plate and the machine body falls to the top of the dust guide plate, since the dust guide plate is inclined, the dust falls into the dust guide port through the inclined surface and then falls into the residue collecting box, the bottom transmission wheel of the scraping rod contacts the dust guide plate when the scraping rod rotates, so that the dust guide plate moves downward under the limitation of the limiting groove and then is reset by the spring, thereby achieving the effect of making the dust guide plate up and down, and making the smoke residue adhered to the surface fall into the dust guide port.

[0009] 2. This flue gas dust removal and desulfurization device for thermal power generation, with the cooperation of the blocking block, stirring rod, scraper rod, and lime chamber, the rotation of the blocking block will make the lime more uniformly mixed with the gas, avoiding the waste of lime. At the same time, the internal stirring rod rotates up and down under the drive of the scraper rod, which achieves the purpose of stirring the lime inside the lime chamber, preventing it from clumping and extending its service life.

[0010] 3. In this flue gas dust removal and desulfurization device for thermal power generation, the fan plate rod, reciprocating screw rod, push rod, baffle plate, and slag collection box work together to further mix the smoke, water, and lime under the rotation of the fan plate rod to achieve a better desulfurization effect. When the reaction ends, the lime in the water vapor will settle to the bottom of the device. Under the rotation of the reciprocating screw rod, the push rod moves back and forth to clean the lime clumps at the bottom of the device. When the push rod moves to both sides of the device, it will push the baffle plate to retract into the device, so that the lime clumps fall into the slag collection box.

[0011] 4. In this flue gas dust removal and desulfurization device for thermal power generation, with the cooperation of the grab rake, the reciprocating screw, and the slag collection box, the grab rake will push the waste slag in the slag collection box flat when it moves back and forth, so as to avoid the waste slag accumulating too high at a certain point and affecting the cleanliness of the slag collection box. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a half-sectional view of the body structure of the present invention; Figure 3 This is a schematic diagram of the dust removal device of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of the structure at point A in the middle; Figure 5 This is a schematic diagram of the lime chamber structure of the present invention; Figure 6 This is a schematic diagram of the reciprocating bar structure of the present invention; Figure 7 This is a schematic diagram of the smoke stirring device of the present invention; Figure 8 This is a schematic diagram of the flattening mechanism of the present invention.

[0013] In the figure: 1, machine body; 2, exhaust pipe; 3, motor one; 4, smoke inlet; 5, water tank; 6, motor two; 7, water spraying pipe; 8, belt pulley; 9, smoke outlet; 10, dust removal device; 1001, dust collecting plate; 1002, scraping rod; 1003, spring; 1004, reciprocating strip rod; 1005, transmission wheel; 1006, torsion spring plate; 1007, torsion spring; 1008, dust guide; 1009, wall scraping rod; 1010, L-shaped rod; 1011, limiting groove; 1012, dust guide plate; 11, smoke extraction fan; 12, smoke stirring device; 1201, fan plate rod; 1202, round wheel; 1203, water fan plate; 1204, material blocking plate; 1205, reciprocating wire rod one; 1206, bevel gear one; 1207, push rod; 1208, bevel gear two; 13, material leveling mechanism; 1301, reciprocating wire rod two; 1302, rake; 14, lime cabin; 1401, stirring rod; 1402, powder permeable net; 1403, reset spring; 1404, semicircular block; 1405, blocking block; 15, slag collecting box. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0015] Please refer to Figures 1-8The embodiment of the present application is: a flue gas dust removal and desulfurization device for thermal power generation, comprising a body 1, an exhaust pipe 2 arranged at the top of the body 1, a motor one 3 arranged at the bottom of the body 1, a smoke inlet 4 arranged at the rear of the body 1, a dust removal device 10 arranged in the body 1, a smoke stirring device 12 arranged in the body 1, a motor two 6 arranged at the top of the smoke stirring device 12, a material leveling mechanism 13 arranged at the bottom of the smoke stirring device 12, a smoke extraction fan 11 arranged at the bottom of the exhaust pipe 2, a water tank 5 arranged at the front of the body 1, a water spraying pipe 7 arranged at the top of the water tank 5, a belt pulley 8 arranged at the front of the smoke stirring device 12, a smoke outlet 9 arranged at the top of the body 1, a slag collecting tank 15 arranged at the bottom of the smoke stirring device 12, the dust removal device 10 comprising a dust collecting plate 1001, a scraping rod 1002, a spring 1003, a reciprocating strip rod 1004, a transmission wheel 1005, a wall scraping rod 1009, the reciprocating strip rod 1004 being fixedly connected to the output end of the motor one 3, the dust collecting plate 1001 being fixedly connected to the outer surface of the reciprocating strip rod 1004, the scraping rod 1002 being movably connected to the outer circumferential surface of the reciprocating strip rod 1004, the wall scraping rod 1009 being fixedly connected to the two ends of the reciprocating strip rod 1004, the transmission wheel 1005 being rotatably connected to the bottom of the wall scraping rod 1009, one end of the spring 1003 being fixedly connected to the bottom of the dust guide plate 1012, the other end of the spring 1003 being fixedly connected to the inner wall of the bottom of the body 1, the dust removal device 10 further comprising a torsion spring plate 1006, a torsion spring 1007, a dust guide port 1008, an L-shaped rod 1010, a limiting groove 1011 and a dust guide plate 1012, the dust guide port 1008 being arranged at the rear of the body 1, one end of the torsion spring 1007 being fixedly connected to the bottom of the dust guide port 1008, the other end of the torsion spring 1007 being fixedly connected to the torsion spring plate 1006, the dust guide plate 1012 being arranged on the inner surface of the body 1, the limiting groove 1011 being fixedly connected to the inner surface of the body 1, one end of the L-shaped rod 1010 being fixedly connected to the bottom of the dust guide plate 1012, the other end of the L-shaped rod 1010 being slidably connected to the inner surface of the limiting groove 1011, a lime tank 14 being arranged at the top of the wall scraping rod 1009, the lime tank 14 comprising a stirring rod 1401, a powder permeable net 1402, a reset spring 1403, a semicircular block 1404 and a blocking block 1405, the stirring rod 1401 being rotatably connected to the inner surface of the lime tank 14, the powder permeable net 1402 being fixedly connected to the inner surface of the lime tank 14, the semicircular block 1404 being fixedly connected to the bottom of the stirring rod 1401, one end of the reset spring 1403 being fixedly connected to the bottom of the lime tank 14, the other end of the reset spring 1403 being fixedly connected to the top of the semicircular block 1404, the blocking block 1405 being fixedly connected to the outer circumferential surface of the reciprocating strip rod 1004, the semicircular block 1404 being located on the movement track of the wall scraping rod 1009, and the powder permeable net 1402 being located on the movement track of the blocking block 1405.

[0016] Working principle: when the gas from the smoke inlet 4, into the device inside the motor 3 start driving output reciprocating rod 1004 rotation, while the reciprocating rod 1004 outer surface of the dust plate 1001, and the scraper 1002 also follow the rotation, the scraper 1002 in the reciprocating rod 1004 surface reciprocating groove and the dust plate 1001 under the limit of the up and down reciprocating movement, reciprocating rod 1004 in rotation will also drive the scraper wall 1009 rotation, scraper wall 1009 in rotation at the bottom of the transmission wheel 1005 and the bottom of the dust guide plate 1012 contact, in reciprocating rod 1004 rotation will drive the circumferential surface of the dust plate 1001 on the smoke of large particles to capture, so that it is adsorbed on the dust plate 1001, while the scraper 1002 up and down reciprocating movement on the dust plate 1001 surface to scrape to prevent the dust plate 1001 surface large particles too much so as to affect the dust removal effect, in reciprocating rod 1004 rotation will drive the scraper wall 1009 rotation on the body 1 inner surface of the impurities are scraped off, dust plate 1001 and the body 1 on the dust scraped off will fall on the dust guide plate 1012 top, because the dust guide plate 1012 is inclined will make the dust through the slope into the dust guide 1008 so as to fall into the slag tank 15, the scraper 1002 in rotation at the bottom of the transmission wheel 1005 will and the dust guide plate 1012 contact makes the dust guide plate 1012 in the limit of the groove 1011 under the movement of the spring 1003 reset, to let the dust guide plate 1012 up and down fluctuation effect, let the surface of the attached to the dust into the dust guide 1008.

[0017] When the scraper wall 1009 in rotation at the same time the top contact semicircle block 1404, make it move up, in the spiral groove on the surface of the stirrer 1401 under the action of its rising while rotating, and finally by the reset spring 1403 reset, when the device starts to block 1405 will be driven by the reciprocating rod 1004 rotation, smoke is sucked by the smoke fan 11 to the device top at the same time will also absorb the lime powder inside the lime cabin 14 with the gas into the exhaust pipe 2, under the action of the rotation of the block 1405 will make the lime and gas more evenly mixed to avoid the waste of lime, while the internal stirrer 1401 in the drive of the scraper wall 1009 up and down rotation to achieve the purpose of stirring the lime in the lime cabin 14 to prevent its agglomeration and prolong the service life.

[0018] Please see Figures 1-8On the basis of the above embodiment, in another embodiment of the present application, the smoke stirring device 12 comprises a fan plate rod 1201, a round wheel 1202, a fan water plate 1203, a blocking plate 1204, a reciprocating wire rod 1205, a bevel gear 1206, a push rod 1207, a bevel gear 1208, the fan plate rod 1201 is arranged at the output end of the motor 6, the round wheel 1202 is rotatably connected to the inner surface of the fan plate rod 1201, the bevel gear 1208 is fixedly connected to the bottom of the fan plate rod 1201, the reciprocating wire rod 1205 is rotatably connected inside the smoke stirring device 12, the bevel gear 1206 is fixedly connected to the front part of the reciprocating wire rod 1205, the blocking plate 1204 is slidably connected inside the machine body 1, the fan water plate 1203 is rotatably connected to the inner wall of the top of the machine body 1, the other end of the fan water plate 1203 is fixedly connected to the rear part of the blocking plate 1204, the push rod 1207 is slidably connected to the outer circumferential surface of the reciprocating wire rod 1205, the fan water plate 1203 is rotatably connected to the top of the inner surface of the smoke stirring device 12, the fan water plate 1203 is located on the movement track of the round wheel 1202, the bevel gear 1206 is engaged with the bevel gear 1208, the material flattening mechanism 13 comprises a reciprocating wire rod 1301, a grab rake 1302, the reciprocating wire rod 1301 is arranged inside the slag collecting box 15, and the grab rake 1302 is rotatably connected to the outer circumferential surface of the reciprocating wire rod 1301.

[0019] Working principle: when the motor 6 starts, the fan plate rod 1201 at the output end will rotate, thereby driving the fan water plate 1203 to rotate through the round wheel 1202, the fan plate rod 1201 will drive the bottom bevel gear 1208 to rotate while rotating, thereby driving the bevel gear 1206 to rotate, making the reciprocating wire rod 1205 rotate, thereby driving the push rod 1207 on the surface to reciprocate, when the smoke and lime enter the device, the water sprayed by the water spraying pipe 7 will react with the lime to remove the sulfur element in the smoke dust, under the rotation of the fan water plate 1203, the water is splashed to increase the contact area of the smoke dust and the lime, under the rotation of the fan plate rod 1201, the smoke, water and lime are further mixed to achieve a better sulfur removal effect, when the reaction is completed, the lime in the water vapor will be precipitated to the bottom of the device, under the rotation of the reciprocating wire rod 1205, the push rod 1207 moves back and forth to clean the lime condensation block at the bottom of the device, when the push rod 1207 moves to both sides of the device, it will push the blocking plate 1204 to shrink into the device, thereby making the lime condensation block fall into the slag collecting box 15.

[0020] When the reciprocating wire rod 1205 rotates, the bottom reciprocating wire rod 1301 is driven to rotate through the belt pulley 8, thereby making the grab rake 1302 reciprocate under the constraint of the inner surface of the bottom of the slag collecting box 15, when the grab rake 1302 reciprocates, it will push the waste slag in the slag collecting box 15 to be flat, avoiding that the waste slag is accumulated too high at a certain point to affect the cleaning of the slag collecting box 15.

[0021] The application provides a flue gas dust removal and desulfurization device for thermal power generation, and there are many methods and approaches to realize the technical scheme. The above description is only the preferred embodiment of the application, and it should be pointed out that, for ordinary skilled in the art, some improvements and refinements can be made without departing from the principle of the application, and these improvements and refinements should also be considered as the protection scope of the application. The components not explicitly described in the embodiment can be realized by the prior art.

Claims

1. A flue gas dust and desulfurization device for thermal power generation, comprising a machine body (1), characterized in that: The body (1) top is provided with exhaust pipe (2), the body (1) bottom is provided with motor one (3), the body (1) rear is provided with smoke inlet (4), the body (1) inside is provided with dust removal device (10), the body (1) inside is provided with stir smoke device (12), the stir smoke device (12) top is provided with motor two (6), the stir smoke device (12) bottom is provided with flat mechanism (13), the exhaust pipe (2) bottom is provided with smoke fan (11), the body (1) front is provided with water tank (5), the water tank (5) top is provided with water spray pipe (7), the stir smoke device (12) front is provided with belt pulley (8), the body (1) top is provided with smoke outlet (9), the stir smoke device (12) bottom is provided with slag collecting box (15), the dust removal device (10) includes dust plate (1001), scraper (1002), spring (1003), reciprocating bar (1004), transmission wheel (1005), wall scraping rod (1009), the reciprocating bar (1004) fixedly connected with the output end of motor one (3), the dust plate (1001) is fixedly connected on the outer surface of reciprocating bar (1004), the scraper (1002) is movably connected on the outer circumferential surface of reciprocating bar (1004), the wall scraping rod (1009) is fixedly connected on both ends of reciprocating bar (1004), the transmission wheel (1005) is rotatably connected on the bottom of wall scraping rod (1009), one end of spring (1003) is fixedly connected on the bottom of dust guide plate (1012), the other end of spring (1003) is fixedly connected on the inner wall of body (1) bottom.

2. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 1, characterized in that: The dust removal device (10) further includes torsion spring plate (1006), torsion spring (1007), dust guide port (1008), L-shaped rod (1010), limiting groove (1011), dust guide plate (1012), the dust guide port (1008) is arranged in the rear of the body (1), one end of the torsion spring (1007) is fixedly connected on the bottom of the dust guide port (1008), the other end of the torsion spring plate (1006) and the torsion spring (1007) is fixedly connected, the dust guide plate (1012) is arranged on the inner surface of the body (1), the limiting groove (1011) is fixedly connected on the inner surface of the body (1), one end of the L-shaped rod (1010) is fixedly connected on the bottom of the dust guide plate (1012), the other end of the L-shaped rod (1010) is slidably connected on the inner surface of the limiting groove (1011).

3. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 2, characterized in that: The lime bin (14) is arranged on the top of the wall scraping rod (1009), the lime bin (14) comprises a stirring rod (1401), a powder screen (1402), a reset spring (1403), a semicircular block (1404) and a blocking block (1405), the stirring rod (1401) is rotatably connected to the inner surface of the lime bin (14), the powder screen (1402) is fixedly connected to the inner surface of the lime bin (14), the semicircular block (1404) is fixedly connected to the bottom of the stirring rod (1401), one end of the reset spring (1403) is fixedly connected to the bottom of the lime bin (14), the other end of the reset spring (1403) is fixedly connected to the top of the semicircular block (1404), and the blocking block (1405) is fixedly connected to the outer circumferential surface of the reciprocating strip rod (1004).

4. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 3, characterized in that: The semicircular block (1404) is located on the movement track of the wall scraping rod (1009), and the powder screen (1402) is located on the movement track of the blocking block (1405).

5. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 4, characterized in that: The smoke stirring device (12) comprises a fan plate rod (1201), a circular wheel (1202), a fan water plate (1203), a material blocking plate (1204), a reciprocating wire rod one (1205), a bevel gear one (1206), a push rod (1207) and a bevel gear two (1208), the fan plate rod (1201) is arranged on the output end of the motor two (6), the circular wheel (1202) is rotatably connected to the inner surface of the fan plate rod (1201), the bevel gear two (1208) is fixedly connected to the bottom of the fan plate rod (1201), the reciprocating wire rod one (1205) is rotatably connected to the inside of the smoke stirring device (12), the bevel gear one (1206) is fixedly connected to the front of the reciprocating wire rod one (1205), the material blocking plate (1204) is slidably connected to the inside of the machine body (1), the fan water plate (1203) is rotatably connected to the inner wall on the top of the machine body (1), the other end of the fan water plate (1203) is fixedly connected to the rear of the material blocking plate (1204), the push rod (1207) is slidably connected to the outer circumferential surface of the reciprocating wire rod one (1205), and the fan water plate (1203) is rotatably connected to the top of the inner surface of the smoke stirring device (12).

6. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 5, characterized in that: The fan water plate (1203) is located on the movement track of the circular wheel (1202), and the bevel gear one (1206) is engaged with the bevel gear two (1208).

7. A flue gas dedusting and desulfurizing device for thermal power generation according to claim 6, characterized in that: The flat material mechanism (13) comprises a reciprocating wire rod two (1301) and a grab rake (1302), the reciprocating wire rod two (1301) is arranged in the inside of the slag collecting box (15), and the grab rake (1302) is rotatably connected to the outer circumferential surface of the reciprocating wire rod two (1301).

8. The flue gas dedusting and desulfurizing device for thermal power generation according to claim 7, characterized in that: One end of the belt pulley (8) is rotatably connected to the outer circumferential surface of the reciprocating wire rod one (1205), and the other end of the belt pulley (8) is rotatably connected to the outer circumferential surface of the reciprocating wire rod two (1301).

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