Flue gas denitration and dust removal device and use method thereof

Abstract

The invention provides a flue gas denitration and dust removal device and a using method thereof, and belongs to the technical field of flue gas denitration, the flue gas denitration and dust removal device comprises a denitration cylinder, a first transverse plate is fixedly connected in the denitration cylinder, a first bearing is fixedly connected to the center of the upper end face of the first transverse plate, and a liquid conveying pipe is fixedly connected to the inner side wall of an inner ring of the first bearing; the liquid conveying pipe penetrates through the first transverse plate and is fixedly connected with a spraying pipe, the lower surface of the spraying pipe is uniformly and fixedly connected with a group of atomizing nozzles, a first connecting pipe is arranged in the top end of the liquid conveying pipe, and the outer end of the first connecting pipe penetrates through the denitration cylinder and extends to the outside. Through the arrangement of the liquid conveying pipe, the spraying pipe, the atomizing nozzle, the activated carbon plate, the gas conveying pipe, the gas spraying pipe and the driving mechanism, liquid spraying denitration and adsorption denitration are conducted on flue gas, denitration treatment can be conducted on the flue gas twice, the flue gas denitration effect is improved, flue gas denitration is more thorough, and the problem that in the prior art, the flue gas denitration effect is poor is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flue gas denitration, in particular to a flue gas denitration dust removal device and a use method thereof. BACKGROUND

[0003] After searching, the prior art, patent application number CN202421062686.2 discloses a flue gas denitration dust removal device, which comprises a treatment box, a filter box is fixedly connected to one side of the treatment box, a limiting block is slidably connected in the filter box, a filter screen is arranged in the filter box, a connecting plate is fixedly connected to one side of the filter screen, a fixing groove matched with the limiting block is formed in the top of the connecting plate, a spraying groove is formed in the treatment box, a hollow shaft is rotatably connected in the spraying groove, a spraying plate is fixedly connected to one end of the hollow shaft, and spray heads are equidistantly arranged on the bottom of the spraying plate; the filter box, the filter screen, the spraying groove and the spraying plate are arranged to realize the functions of filtering the flue gas and spraying the treatment agent, so that the flue gas can be denitrated and dusted; the rotating shaft, the first gear, the second gear and the hollow shaft are arranged to realize the function of driving the spraying plate to rotate and spray, so that the sprayed treatment agent can fully contact with the flue gas, and the flue gas treatment efficiency is greatly improved, but the following defects still exist: (1) the prior art only sprays denitration liquid to denitrate the flue gas, and the denitration effect on the flue gas is poor, so that the flue gas denitration is not complete; In the prior art, the dust in the flue gas is removed by the filter plate, the dust removal effect is poor, and the filter plate needs to be frequently taken out and cleaned, which is not convenient to use.

[0004] Therefore, we improve it and propose a flue gas denitration dust removal device and a use method thereof. SUMMARY

[0005] The purpose of the present application is to solve the problems of poor denitration and dust removal effects of the existing denitration and dust removal devices.

[0006] In order to achieve the above-mentioned purpose of the application, the present application provides the following technical scheme: The flue gas denitration dust removal device is used to improve the above-mentioned problems.

[0007] The present application is as follows: The application relates to a denitration cylinder, which is internally fixedly connected with a first horizontal plate, the upper end surface center of the first horizontal plate is fixedly connected with a first bearing, the inner circle inner wall of the first bearing is fixedly connected with a liquid delivery pipe, the liquid delivery pipe penetrates through the first horizontal plate and is fixedly connected with a spray pipe, the lower surface of the spray pipe is uniformly fixedly connected with a group of atomizing nozzles, the top end of the liquid delivery pipe is internally provided with a first connecting pipe, the outer end of the first connecting pipe penetrates through the denitration cylinder and extends to the outside, the first connecting pipe is fixedly connected with the denitration cylinder, the top of the denitration cylinder is internally fixedly connected with a bearing ring, the upper end surface of the bearing ring is detachably connected with a mounting ring through bolts, the mounting ring is internally fixedly connected with an activated carbon plate, the lower side of the bearing ring is provided with a second horizontal plate, the second horizontal plate is fixedly connected with the denitration cylinder, the lower end surface center of the second horizontal plate is fixedly connected with a second bearing, the inner circle inner wall of the second bearing is fixedly connected with a gas delivery pipe, the top end of the gas delivery pipe penetrates through the second horizontal plate and is fixedly connected with a gas jet pipe, the bottom end of the gas delivery pipe is internally provided with a second connecting pipe, the outer end of the second connecting pipe penetrates through the denitration cylinder and extends to the outside, the second connecting pipe is fixedly connected with the denitration cylinder, the denitration cylinder is internally provided with a driving mechanism for driving the liquid delivery pipe and the gas delivery pipe to rotate, the bottom of the left side wall of the denitration cylinder is fixedly connected with an air inlet pipe, the air inlet pipe is detachably connected with an air inlet head through a bolt assembly, the outer end of the air inlet head is fixedly connected with a dust removal box, the outer end of the dust removal box is fixedly connected with a gas inlet head, and the dust removal box is internally provided with a dust removal mechanism.

[0008] As a preferred technical scheme of the application, the driving mechanism comprises a first bevel gear fixed on the liquid delivery pipe, a first connecting block fixedly connected on the first horizontal plate, a first connecting shaft rotatably connected on the first connecting block, a second bevel gear fixedly connected with the first bevel gear on the inner end of the first connecting shaft, and a first transmission gear fixedly connected with the first connecting shaft on the outer end of the first connecting shaft.

[0009] As a preferred technical scheme of the application, the gas delivery pipe is fixedly connected with a third bevel gear, a second connecting block is fixedly connected with the lower end surface of the second horizontal plate, a second connecting shaft is rotatably connected on the second connecting block, a fourth bevel gear fixedly connected with the third bevel gear is fixedly connected with the inner end of the second connecting shaft, and a second transmission gear fixedly connected with the first transmission gear is fixedly connected with the outer end of the second connecting shaft.

[0010] As a preferred technical scheme of the present application, the dust removal mechanism comprises an insulating plate fixed to the top wall of the dust removal box, a plurality of anode plates are uniformly fixed to the lower end surface of the insulating plate, a cathode column is arranged in the gap between the anode plates, a moving plate is arranged at the bottom end of the anode plate, two groups of scraping strips are symmetrically and equidistantly fixed to the upper end surface of the moving plate, a connecting plate is fixed to the lower end surface of the moving plate, a guide rod is slidably connected to the inner wall of the dust removal box, the outer end of the guide rod is fixed to the inner wall of the dust removal box, a reciprocating column is fixed to the outer wall of the connecting plate, the outer end of the reciprocating column extends to the outside through the dust removal box, a support plate is fixed to the bottom of the outer wall of the dust removal box, a servo motor is fixed to the lower end surface of the outer end of the support plate, a rotating block is fixed to the driving end of the servo motor, a connecting rod is rotatably connected to the end of the rotating block, and the end of the connecting rod away from the rotating block is rotatably connected to the outer end of the reciprocating column.

[0011] As a preferred technical scheme of the present application, the scraping strip is made of plastic, and a group of ash outlets are equidistantly arranged on the moving plate.

[0012] As a preferred technical scheme of the present application, the top end of the denitration cylinder is detachably connected with a cylinder cover through a bolt assembly, and the upper end surface of the cylinder cover is fixedly connected with an air outlet pipe.

[0013] As a preferred technical scheme of the present application, the bottom end of the denitration cylinder is fixedly connected with a first control valve, and a group of first supporting legs are uniformly fixed to the bottom of the denitration cylinder.

[0014] As a preferred technical scheme of the present application, the bottom ash outlet of the dust removal box is fixedly connected with a second control valve, and two second supporting legs are symmetrically and fixedly connected to the lower end surface of the dust removal box.

[0015] As a preferred technical scheme of the present application, the inner diameter of the infusion pipe is the same as the diameter of the first connecting pipe, and the inner diameter of the gas conveying pipe is the same as the diameter of the second connecting pipe.

[0016] The present application also provides a use method of the flue gas denitration and dust removal device, which comprises the following steps: S1: the flue gas is introduced into the dust removal box through the gas conveying head, the anode plate and the cathode column on the insulating plate form an electric field, the dust particles in the flue gas are charged under the action of the electric field, move towards the anode plate and adhere to the surface of the anode plate, and preliminary dust removal is realized; S2: After the dust removal, the flue gas enters the denitration cylinder through the inlet pipe, the denitration liquid is sent into the liquid delivery pipe through the first connecting pipe, the denitration liquid enters the spray pipe, and then the denitration liquid is atomized and sprayed out through the atomizing nozzle, and fully contacts with the flue gas in the denitration cylinder, and denitration is carried out, at the same time, the driving motor drives the driving wheel to rotate through the toothed belt, and then drives the first transmission gear to rotate, the first transmission gear drives the first connecting shaft, the second bevel gear and the first bevel gear to drive the liquid delivery pipe to rotate, and then the spray pipe and the atomizing nozzle are rotated to comprehensively denitrate the flue gas, and the denitration flue gas is further denitration through the activated carbon plate, and then the denitration and dust removal flue gas is discharged through the outlet pipe; S3: When dust cleaning is needed, the servo motor drives the rotating block to rotate, the rotating of the rotating block drives the connecting rod to rotate, the rotating of the connecting rod drives the reciprocating column to horizontally reciprocate, and then drives the connecting plate, the moving plate and the scraping strip to horizontally reciprocate, the scraping strip scrapes off the dust on the anode plate, and the dust falls to the bottom of the dust removal box through the dust outlet on the moving plate, when the dust needs to be cleaned, the second control valve is opened, and the dust is discharged; S4: The activated carbon plate is regenerated, the reducing gas is introduced into the gas delivery pipe through the second connecting pipe, and then the reducing gas is introduced into the gas injection pipe to spray out, and the activated carbon plate is regenerated, at the same time, the rotating of the first transmission gear drives the second transmission gear to rotate, the second transmission gear drives the gas delivery pipe to rotate through the second connecting shaft, the fourth bevel gear and the third bevel gear, and then the reducing gas can be comprehensively delivered to the activated carbon plate.

[0017] Compared with the prior art, the beneficial effects of the present application are: In the scheme of the present application: 1. By setting the liquid delivery pipe, spray pipe, atomizing nozzle, activated carbon plate, gas delivery pipe, gas injection pipe and driving mechanism, liquid injection denitration and adsorption denitration of flue gas are realized, flue gas can be denitrated twice, the effect of flue gas denitration is improved, flue gas denitration is more thorough, and the problem of poor flue gas denitration effect in the prior art is solved; 2. By setting the dust removal mechanism, the dust in the flue gas is adsorbed by static electricity, and then the dust in the flue gas is removed, the filter plate does not need to be taken out frequently for cleaning, the use is simple and convenient, and the dust removal effect is better, and the problem of poor dust removal effect in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure schematic diagram provided by the present application is provided; Figure 2 The separation structure schematic diagram provided by the present application is provided; Figure 3 The internal structure schematic diagram of the denitration cylinder provided by the present application is provided; Figure 4Part structure schematic view of driving mechanism provided by the present application; Figure 5 Part structure schematic view of dust removal mechanism provided by the present application; Figure 6 Part structure schematic view of dust removal mechanism provided by the present application; Figure 7 Part structure schematic view of dust removal mechanism provided by the present application; Figure 8 Front view structure schematic view provided by the present application.

[0019] Indicated in the figure: 1, denitration cylinder; 2, first cross plate; 3, first bearing; 4, liquid conveying pipe; 5, spray pipe; 6, atomizing nozzle; 7, first connecting pipe; 8, bearing ring; 9, mounting ring; 10, activated carbon plate; 11, second cross plate; 12, second bearing; 13, gas conveying pipe; 14, gas spray pipe; 15, second connecting pipe; 16, driving mechanism; 1601, first bevel gear; 1602, first connecting block; 1603, first connecting shaft; 1604, second bevel gear; 1605, first transmission gear; 1606, driven wheel; 1607, fixed plate; 1608, driving motor; 1609, driving wheel; 1610, toothed belt; 1611, third bevel gear; 1612, second connecting block; 1613, second connecting shaft; 1614, fourth bevel gear; 1615, second transmission gear; 17, air inlet pipe; 18, air inlet head; 19, dust removal box; 20, gas conveying head; 21, dust removal mechanism; 2101, insulating plate; 2102, anode plate; 2103, cathode column; 2104, moving plate; 2105, scraping strip; 2106, connecting plate; 2107, guide rod; 2108, reciprocating column; 2109, support plate; 2110, servo motor; 2111, rotating block; 2112, connecting rod; 22, cylinder cover; 23, gas outlet pipe; 24, first control valve; 25, first supporting leg; 26, second control valve; 27, second supporting leg. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0021] As Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the present embodiment proposes a flue gas denitration dust removal device, which comprises a denitration cylinder 1, a first transverse plate 2 fixedly connected in the denitration cylinder 1, a first bearing 3 fixedly connected at the center of the upper end surface of the first transverse plate 2, a liquid delivery pipe 4 fixedly connected on the inner wall of the inner ring of the first bearing 3, the liquid delivery pipe 4 penetrating through the first transverse plate 2 and fixedly connected with a spray pipe 5, a plurality of atomizing nozzles 6 uniformly fixedly connected on the lower surface of the spray pipe 5, a first connecting pipe 7 arranged at the top end of the liquid delivery pipe 4, the outer end of the first connecting pipe 7 penetrating through the denitration cylinder 1 and extending to the outside, the first connecting pipe 7 being fixedly connected with the denitration cylinder 1, a bearing ring 8 fixedly connected at the top of the denitration cylinder 1, a mounting ring 9 detachably connected with the upper end surface of the bearing ring 8 through bolts, an activated carbon plate 10 fixedly connected in the mounting ring 9, a second transverse plate 11 arranged at the lower side of the bearing ring 8, the second transverse plate 11 being fixedly connected with the denitration cylinder 1, a second bearing 12 fixedly connected at the center of the lower end surface of the second transverse plate 11, a gas delivery pipe 13 fixedly connected on the inner wall of the inner ring of the second bearing 12, the gas delivery pipe 13 penetrating through the second transverse plate 11 and fixedly connected with a gas injection pipe 14 at the top end, a second connecting pipe 15 arranged at the bottom end of the gas delivery pipe 13, the outer end of the second connecting pipe 15 penetrating through the denitration cylinder 1 and extending to the outside, the second connecting pipe 15 being fixedly connected with the denitration cylinder 1, a driving mechanism 16 arranged in the denitration cylinder 1 for driving the liquid delivery pipe 4 and the gas delivery pipe 13 to rotate, an air inlet pipe 17 fixedly connected at the bottom of the left side wall of the denitration cylinder 1, an air inlet head 18 detachably connected with the air inlet pipe 17 through a bolt assembly, a dust removal box 19 fixedly connected with the outer end of the air inlet head 18, a gas delivery head 20 fixedly connected with the outer end of the dust removal box 19, and a dust removal mechanism 21 arranged in the dust removal box 19; the denitration liquid is delivered to the liquid delivery pipe 4 through the first connecting pipe 7, the denitration liquid enters the spray pipe 5 through the liquid delivery pipe 4, and is sprayed out after being atomized by the atomizing nozzles 6, and fully contacts with the flue gas in the denitration cylinder 1 to realize the denitration reaction, the activated carbon plate 10 can further adsorb and purify the flue gas after the denitration treatment to remove harmful substances and odors therein, the flue gas can be double denitrated, the effect of flue gas denitration is improved, and the gas injection pipe 14 can deliver reducing gas to the activated carbon plate 10 for reduction, which can be repeatedly used.

[0022] As Figure 1 , Figure 3 and Figure 4As shown, as a preferred embodiment, on the basis of the above mode, further, the driving mechanism 16 comprises a first bevel gear 1601 fixed on the liquid delivery pipe 4, a first connecting block 1602 fixedly connected on the first horizontal plate 2, a first connecting shaft 1603 rotatably connected on the first connecting block 1602, a second bevel gear 1604 fixedly connected with the first bevel gear 1601 on the inner end of the first connecting shaft 1603, a first transmission gear 1605 fixedly connected on the outer end of the first connecting shaft 1603 and penetrating through the denitration cylinder 1, a driven wheel 1606 provided on the outer side of the first transmission gear 1605, a fixed plate 1607 fixedly connected on the denitration cylinder 1, a driving motor 1608 fixedly connected on the upper end surface of the fixed plate 1607, a driving wheel 1609 fixedly connected with the driving end of the driving motor 1608, the driving wheel 1609 being in transmission connection with the driven wheel 1606 through a toothed belt 1610, a third bevel gear 1611 fixedly connected on the gas delivery pipe 13, a second connecting block 1612 fixedly connected on the lower end surface of the second horizontal plate 11, a second connecting shaft 1613 rotatably connected on the second connecting block 1612, a fourth bevel gear 1614 fixedly connected with the third bevel gear 1611 on the inner end of the second connecting shaft 1613, and a second transmission gear 1615 fixedly connected with the first transmission gear 1605 on the outer end of the second connecting shaft 1613 and penetrating through the denitration cylinder 1; the driving motor 1608 drives the driving wheel 1609 to rotate, the driving wheel 1609 drives the driven wheel 1606 to rotate through the toothed belt 1610, and then drives the first transmission gear 1605 to rotate, the first transmission gear 1605 drives the second transmission gear 1615 to rotate, the second transmission gear 1615 drives the gas delivery pipe 13 to rotate through the second connecting shaft 1613, the fourth bevel gear 1614 and the third bevel gear 1611; at the same time, the first transmission gear 1605 drives the liquid delivery pipe 4 to rotate through the first connecting shaft 1603, the second bevel gear 1604 and the first bevel gear 1601, so as to realize the synchronous rotation of the liquid delivery pipe 4 and the gas delivery pipe 13, guarantee the comprehensive spraying of the denitration liquid, and also guarantee the uniform delivery of the reduction gas.

[0023] As Figure 1 , Figure 5 , Figure 6 and Figure 7As shown, as a preferred embodiment, on the basis of the above manner, further, the dust removal mechanism 21 comprises an insulating plate 2101 fixed on the top wall of the dust removal box 19, the lower end surface of the insulating plate 2101 is uniformly and fixedly connected with a group of anode plates 2102, a cathode column 2103 is installed at the gap between the anode plates 2102, the bottom end of the anode plate 2102 is provided with a moving plate 2104, the upper end surface of the moving plate 2104 is uniformly and fixedly connected with two groups of scraping strips 2105 in symmetry and equal interval, the lower end surface of the moving plate 2104 is commonly and fixedly connected with a connecting plate 2106, the inner side of both ends of the connecting plate 2106 is slidably connected with a guide rod 2107, the both ends of the guide rod 2107 are respectively fixedly connected with the inner side wall of the dust removal box 19, the outer side wall of the connecting plate 2106 is fixedly connected with a reciprocating column 2108, the outer end of the reciprocating column 2108 penetrates through the dust removal box 19 and extends to the outside, the outer side wall bottom of the dust removal box 19 is fixedly connected with a supporting plate 2109, the outer end lower end surface of the supporting plate 2109 is fixedly connected with a servo motor 2110, the driving end of the servo motor 2110 penetrates through the supporting plate 2109 and is fixedly connected with a rotating block 2111, the end of the rotating block 2111 is rotatably connected with a connecting rod 2112, the end of the connecting rod 2112 away from the rotating block 2111 is rotatably connected with the outer end of the reciprocating column 2108; the electric field is formed between the anode plate 2102 and the cathode column 2103, the dust particles in the flue gas are charged, the dust is adsorbed on the anode plate 2102, the servo motor 2110 drives the rotating block 2111 to rotate, drives the reciprocating column 2108 to move horizontally through the connecting rod 2112, and further drives the connecting plate 2106, the moving plate 2104 and the scraping strip 2105 to move horizontally, scrapes the dust on the anode plate 2102, and the dust falls to the bottom of the dust removal box 19 through the dust outlet.

[0024] As shown in Figure 6 and Figure 7 As a preferred embodiment, on the basis of the above manner, further, the scraping strip 2105 is made of plastic material, and the moving plate 2104 is uniformly and equally spaced to form a group of dust outlets; the scraping strip 2105 is made of plastic material, has insulation and certain flexibility, can effectively scrape the dust when scraping the dust on the anode plate 2102, and will not damage the anode plate 2102, the dust scraped off can fall to the bottom of the dust removal box 19 through the dust outlet, preventing the dust from accumulating on the moving plate 2104 and affecting the dust removal effect.

[0025] As shown in Figure 1 and Figure 2 As a preferred embodiment, on the basis of the above manner, further, the top end of the denitration cylinder 1 is detachably connected with a cylinder cover 22 through a bolt assembly, and the upper end surface of the center of the cylinder cover 22 is fixedly connected with an air outlet pipe 23; the flue gas after denitration and dust removal treatment is discharged from the denitration cylinder 1 through the air outlet pipe 23, and enters the subsequent processing link or is discharged into the atmosphere.

[0026] As Figure 1 and Figure 8 shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the bottom end of the denitration cylinder 1 is fixedly connected with a first control valve 24, and the bottom of the denitration cylinder 1 is uniformly fixedly connected with a group of first support legs 25; the first control valve 24 is used for controlling the discharge of liquid in the denitration cylinder 1, and the first support legs 25 play a role in supporting the denitration cylinder 1, so that the denitration cylinder 1 can be stably placed.

[0027] As Figure 1 and Figure 8 shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the bottom of the dust removal box 19 is fixedly connected with a second control valve 26 at the dust outlet, and the lower end surface of the dust removal box 19 is fixedly connected with two second support legs 27 in a symmetrical manner; the second control valve 26 is fixed at the dust outlet of the bottom of the dust removal box 19, and is used for controlling the discharge of dust in the dust removal box 19; when a certain amount of dust is accumulated in the dust removal box 19, the second control valve 26 is opened to discharge the dust, and the second support legs 27 play a role in supporting the dust removal box 19, so that the dust removal box 19 can be stably placed.

[0028] As Figure 3 and Figure 4 shown, as a preferred embodiment, on the basis of the above-mentioned manner, further, the inner diameter of the liquid conveying pipe 4 is the same as the diameter of the first connecting pipe 7, and the inner diameter of the gas conveying pipe 13 is the same as the diameter of the second connecting pipe 15; the inner diameter of the liquid conveying pipe 4 is the same as the diameter of the first connecting pipe 7, which ensures that the denitration liquid can smoothly enter the liquid conveying pipe 4 from the first connecting pipe 7, and the inner diameter of the gas conveying pipe 13 is the same as the diameter of the second connecting pipe 15, which ensures that the flue gas can smoothly enter the gas conveying pipe 13 from the second connecting pipe 15, realizing stable conveying of the flue gas.

[0029] Specifically, during use, the flue gas is first introduced into the dust removal box 19 through the gas inlet head 20, the anode plate 2102 on the insulating plate 2101 and the cathode column 2103 form an electric field, the dust particles in the flue gas are charged under the action of the electric field, move to the anode plate 2102 and adhere to the surface of the anode plate 2102, thereby achieving preliminary dust removal; then the flue gas after dust removal is introduced into the denitration cylinder 1 through the gas inlet pipe 17, the denitration liquid is introduced into the liquid delivery pipe 4 through the first connecting pipe 7, the denitration liquid is introduced into the spray pipe 5, and then the denitration liquid is atomized and sprayed out through the atomizing nozzle 6, and fully contacts with the flue gas in the denitration cylinder 1 to perform denitration, at the same time, the driving motor 1608 drives the driving wheel 1609 to rotate through the toothed belt 1610 to drive the driven wheel 1606 to rotate, and then drives the first transmission gear 1605 to rotate, the first transmission gear 1605 drives the first connecting shaft 1603, the second bevel gear 1604, the first bevel gear 1601 to drive the liquid delivery pipe 4 to rotate, and then drives the spray pipe 5 and the atomizing nozzle 6 to rotate, so that the flue gas is fully denitrated, and the flue gas after denitration is further denitrated by the activated carbon plate 10, and then is discharged through the gas outlet pipe 23; when dust cleaning is needed, the servo motor 2110 drives the rotating block 2111 to rotate, the rotation of the rotating block 2111 drives the connecting rod 2112 to rotate, the rotation of the connecting rod 2112 drives the reciprocating column 2108 to move horizontally and reciprocally, and then drives the connecting plate 2106, the moving plate 2104 and the scraping strip 2105 to move horizontally and reciprocally, and the scraping strip 2105 scrapes the dust on the anode plate 2102, and the dust falls to the bottom of the dust removal box 19 through the dust outlet on the moving plate 2104, when dust cleaning is needed, the second control valve 26 is opened to discharge the dust; when the activated carbon plate 10 needs to be regenerated, the reducing gas is introduced into the gas inlet pipe 13 through the second connecting pipe 15, and then is introduced into the gas outlet pipe 14 to be sprayed out, so that the activated carbon plate 10 is regenerated, and at the same time, the rotation of the first transmission gear 1605 drives the second transmission gear 1615 to rotate, the second transmission gear 1615 drives the gas inlet pipe 13 to rotate through the second connecting shaft 1613, the fourth bevel gear 1614 and the third bevel gear 1611, and then can fully deliver the reducing gas to the activated carbon plate 10.

[0030] All the technical features in the embodiment can be freely combined according to actual needs.

[0031] The above embodiment is a preferred implementation scheme of the present application, and the present application can also be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A flue gas denitration and dust removal device, comprising a denitration cylinder (1), characterized in that, The first horizontal plate (2) is fixedly connected in the denitration cylinder (1), the upper end surface center of the first horizontal plate (2) is fixedly connected with the first bearing (3), the inner ring inner wall of the first bearing (3) is fixedly connected with the infusion tube (4), the infusion tube (4) penetrates the first horizontal plate (2) and is fixedly connected with the spray pipe (5), the lower surface of the spray pipe (5) is uniformly fixedly connected with a group of atomizing nozzles (6), the top end of the infusion tube (4) is provided with the first connecting pipe (7), the outer end of the first connecting pipe (7) penetrates the denitration cylinder (1) and extends to the outside, the first connecting pipe (7) is fixedly connected with the denitration cylinder (1), the top of the denitration cylinder (1) is fixedly connected with the bearing ring (8), the upper end surface of the bearing ring (8) is detachably connected with the mounting ring (9) through bolts, the mounting ring (9) is fixedly connected with the activated carbon plate (10), the lower side of the bearing ring (8) is provided with the second horizontal plate (11), the second horizontal plate (11) is fixedly connected with the denitration cylinder (1), the lower end surface center of the second horizontal plate (11) is fixedly connected with the second bearing (12), the inner ring inner wall of the second bearing (12) is fixedly connected with the gas conveying pipe (13), the top end of the gas conveying pipe (13) penetrates the second horizontal plate (11) and is fixedly connected with the gas jet pipe (14), the bottom end of the gas conveying pipe (13) is provided with the second connecting pipe (15), the outer end of the second connecting pipe (15) penetrates the denitration cylinder (1) and extends to the outside, the second connecting pipe (15) is fixedly connected with the denitration cylinder (1), the denitration cylinder (1) is provided with the driving mechanism (16) for driving the infusion tube (4) and the gas conveying pipe (13) to rotate, the left side wall bottom of the denitration cylinder (1) is fixedly connected with the air inlet pipe (17), the air inlet pipe (17) is detachably connected with the air inlet head (18) through a bolt assembly, the outer end of the air inlet head (18) is fixedly connected with the dust removal box (19), the outer end of the dust removal box (19) is fixedly connected with the gas conveying head (20), the dust removal box (19) is provided with the dust removal mechanism (21).

2. The flue gas denitration and dust removal device according to claim 1, characterized in that, The driving mechanism (16) includes a first bevel gear (1601) fixed on the infusion tube (4), the first transverse plate (2) is fixedly connected with a first connecting block (1602), the first connecting block (1602) is rotatably connected with a first connecting shaft (1603), the inner end of the first connecting shaft (1603) is fixedly connected with a second bevel gear (1604) meshingly connected with the first bevel gear (1601), the outer end of the first connecting shaft (1603) penetrates the denitration cylinder (1) and is fixedly connected with a first transmission gear (1605), the outer side of the first transmission gear (1605) is provided with a driven wheel (1606), the denitration cylinder (1) is fixedly connected with a fixed plate (1607), the upper end surface of the fixed plate (1607) is fixedly connected with a driving motor (1608), the driving end of the driving motor (1608) is fixedly connected with a driving wheel (1609), and the driving wheel (1609) is drivingly connected with the driven wheel (1606) through a toothed belt (1610).

3. The flue gas denitration and dust removal device according to claim 1, characterized in that, The gas supply pipe (13) is fixedly connected with a third bevel gear (1611), the lower end surface of the second transverse plate (11) is fixedly connected with a second connecting block (1612), the second connecting block (1612) is rotatably connected with a second connecting shaft (1613), the inner end of the second connecting shaft (1613) is fixedly connected with a fourth bevel gear (1614) meshingly connected with the third bevel gear (1611), and the outer end of the second connecting shaft (1613) penetrates the denitration cylinder (1) and is fixedly connected with a second transmission gear (1615) meshingly connected with the first transmission gear (1605).

4. The flue gas denitration and dust removal device according to claim 1, characterized in that, The dust removal mechanism (21) includes an insulating plate (2101) fixed on the top wall of the dust removal box (19), the lower end surface of the insulating plate (2101) is uniformly connected with a group of anode plates (2102), the gap between the anode plates (2102) is provided with a cathode column (2103), the bottom end of the anode plate (2102) is provided with a moving plate (2104), the upper end surface of the moving plate (2104) is symmetrically and equidistantly connected with two groups of scraping strips (2105), the lower end surface of the moving plate (2104) is commonly connected with a connecting plate (2106), the inner side of the both ends of the connecting plate (2106) is slidably connected with a guide rod (2107), the both ends of the guide rod (2107) are fixedly connected with the inner side wall of the dust removal box (19), the outer side wall of the connecting plate (2106) is fixedly connected with a reciprocating column (2108), the outer end of the reciprocating column (2108) penetrates through the dust removal box (19) and extends to the outside, the outer end of the lower end surface of the branch plate (2109) is fixedly connected with a servo motor (2110), the driving end of the servo motor (2110) penetrates through the branch plate (2109) and is fixedly connected with a rotating block (2111), the end of the rotating block (2111) is rotatably connected with a connecting rod (2112), the end of the connecting rod (2112) away from the rotating block (2111) is rotatably connected with the outer end of the reciprocating column (2108).

5. The flue gas denitration and dust removal device according to claim 4, characterized in that, The scraping strip (2105) is made of plastic, and a group of ash outlets are equidistantly formed in the moving plate (2104).

6. The flue gas denitration and dust removal device according to claim 1, characterized in that, The top end of the denitration cylinder (1) is detachably connected with a cylinder cover (22) through a bolt assembly, and the center of the upper end surface of the cylinder cover (22) is fixedly connected with an air outlet pipe (23).

7. The flue gas denitration and dust removal device according to claim 1, characterized in that, The bottom end of the denitration cylinder (1) is fixedly connected with a first control valve (24), and the bottom end of the denitration cylinder (1) is uniformly fixedly connected with a group of first supporting legs (25).

8. The flue gas denitration and dust removal device according to claim 1, characterized in that, The bottom ash outlet of the dust removal box (19) is fixedly connected with a second control valve (26), and the lower end surface of the dust removal box (19) is symmetrically and fixedly connected with two second supporting legs (27).

9. The flue gas denitration and dust removal device according to claim 1, characterized in that, The inner diameter of the infusion pipe (4) is the same as the diameter of the first connecting pipe (7), and the inner diameter of the gas pipe (13) is the same as the diameter of the second connecting pipe (15).

10. The use of a flue gas denitration and dust removal device according to any one of claims 1-9, characterized in that, The method comprises the following steps: S1: the flue gas is introduced into the dust removal box (19) through the gas inlet head (20), the anode plate (2102) and the cathode column (2103) on the insulating plate (2101) form an electric field, the dust particles in the flue gas are charged under the action of the electric field, move to the anode plate (2102) and adhere to the surface of the anode plate (2102), and preliminary dust removal is realized. S2: After the dust removal, the flue gas enters the denitration cylinder (1) through the inlet pipe (17), and the denitration liquid is sent into the liquid delivery pipe (4) through the first connecting pipe (7). The denitration liquid enters the spray pipe (5), and then is atomized and sprayed out through the atomizing nozzle (6), fully contacts with the flue gas in the denitration cylinder (1), and performs denitration. At the same time, the driving motor (1608) drives the driving wheel (1609) to rotate through the toothed belt (1610) to drive the driven wheel (1606) to rotate, and then drives the first transmission gear (1605) to rotate. The first transmission gear (1605) drives the first connecting shaft (1603), the second bevel gear (1604) and the first bevel gear (1601) to drive the liquid delivery pipe (4) to rotate, and then makes the spray pipe (5) and the atomizing nozzle (6) rotate, so that the flue gas is fully denitrated. The denitrated flue gas rises and further denitrates through the activated carbon plate (10). The denitrated and dust-removed flue gas is discharged through the outlet pipe (23); S3: When dust cleaning is needed, the servo motor (2110) drives the rotating block (2111) to rotate, the rotation of the rotating block (2111) drives the connecting rod (2112) to rotate, the rotation of the connecting rod (2112) drives the reciprocating column (2108) to move horizontally and reciprocally, and then drives the connecting plate (2106), the moving plate (2104) and the scraping strip (2105) to move horizontally and reciprocally. The scraping strip (2105) scrapes off the dust on the anode plate (2102), and the dust falls through the dust outlet on the moving plate (2104) to the bottom of the dust removal box (19). When the dust needs to be cleaned, the second control valve (26) is opened to discharge the dust; S4: Regenerate the activated carbon plate (10), pass the reducing gas into the gas delivery pipe (13) through the second connecting pipe (15), and then into the gas injection pipe (14) to spray out, and regenerate the activated carbon plate (10). At the same time, the rotation of the first transmission gear (1605) drives the second transmission gear (1615) to rotate, and the second transmission gear (1615) drives the gas delivery pipe (13) to rotate through the second connecting shaft (1613), the fourth bevel gear (1614) and the third bevel gear (1611), so that the reducing gas can be fully delivered to the activated carbon plate (10).

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