Boiler denitration flue gas treatment device

Abstract

The utility model belongs to the technical field of flue gas treatment, and particularly relates to a boiler denitration flue gas treatment device which comprises a flue gas treatment device, a smoke inlet is formed in the side wall of the smoke processor; a smoke outlet is formed in the side wall of the smoke processor; the smoke inlet and the smoke outlet are located in the side walls of the two ends of the smoke processor respectively. A plurality of groups of upper guide plates are fixedly connected to the top of the inner side wall of the flue gas treatment device; a plurality of groups of lower guide plates are fixedly connected to the bottom of the inner side wall of the flue gas treater, during working, a reactant is sprayed into the flue gas treater through a spray head, so that a compound in flue gas reacts with the reactant for a sufficient time, the flue gas can be more sufficiently desulfurized and denitrated, and the flue gas treatment efficiency is improved. The treated flue gas flows out of the flue gas treatment device through the flue gas outlet, and the flue gas can be in contact with a reactant more sufficiently in the flue gas treatment device, so that the flue gas is subjected to denitration treatment more sufficiently, and the treatment effect of the boiler flue gas is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of flue gas treatment, in particular to a boiler denitrification flue gas treatment device. Background Art

[0002] A boiler is a device used to burn fuel to generate heat energy and is widely used in industry, power generation, heating and other fields.

[0003] The boiler will produce a large amount of gas mixture during the combustion process. The flue gas is mainly composed of exhaust gas, water vapor, carbon dioxide and other possible pollutants produced by combustion. Direct discharge will cause air pollution. Therefore, the flue gas generated by the boiler is usually desulfurized before discharge.

[0004] When denitrifying boiler flue gas, it is necessary to spray reactants on the flue gas so that the reactants can neutralize the non-emittable compounds in the flue gas. However, the contact time between the reactants and the flue gas is short during spraying, making it difficult for the reactants and the flue gas to react fully, resulting in insufficient flue gas treatment.

[0005] To this end, the utility model provides a boiler denitrification flue gas treatment device. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a boiler denitrification flue gas treatment device described in the utility model comprises a flue gas processor; a smoke inlet is provided on the side wall of the flue gas processor; a smoke outlet is provided on the side wall of the flue gas processor; the smoke inlet and the smoke outlet are respectively located on the side walls at both ends of the flue gas processor; a plurality of groups of upper guide plates are fixedly connected to the top of the inner side wall of the flue gas processor; a plurality of groups of lower guide plates are fixedly connected to the bottom of the inner side wall of the flue gas processor; a plurality of groups of spray heads are installed on the top of the inner side wall of the flue gas processor; the spray head is arranged between the upper guide plate and the lower guide plate. Through the above structure, the flue gas can be more fully contacted with the reactant inside the flue gas processor, so that the flue gas can be more fully denitrified, thereby increasing the treatment effect of the boiler flue gas.

[0008] Preferably, a first connecting plate is fixedly connected to the bottom end of the upper guide plate closest to the smoke inlet; the first connecting plate is inclined; a second connecting plate is fixedly connected to the end of the first connecting plate; the bottom end of the second connecting plate is fixedly connected to the bottom of the inner wall of the smoke processor; a pull-out box is slidably connected to the side wall of the smoke processor; a baffle is slidably connected to the side wall of the smoke processor; the baffle is H-shaped; the baffle is located above the pull-out box; the baffle is located below the first connecting plate; a plurality of groups of filter holes are provided in the middle of the first connecting plate; a pair of handles are fixedly connected to the side walls of the filter holes. Through the above structure, large particles of impurities inside the smoke can be filtered, the interference of large particles of impurities on the reactants is reduced, and the stability of the smoke reaction is improved.

[0009] Preferably, a connecting rod is fixedly connected to the end of the spray head; a pair of connecting rods are provided on the spray head; a guide plate is fixedly connected to the end of the connecting rod; the guide plate is arc-shaped, and the above structure makes the reaction more complete, thereby improving the denitrification treatment effect of the flue gas.

[0010] Preferably, a through hole is opened in the middle of the connecting rod; the through holes are provided in multiple groups on the connecting rod and arranged in an array. The above structure further improves the spraying effect and makes the spraying range wider.

[0011] Preferably, a sealing strip is fixedly connected to the side wall of the baffle; the sealing strip is located on the side wall of the baffle close to the first connecting plate. The above structure reduces the possibility of smoke leakage when cleaning the pull-out box, thereby improving the safety of cleaning the pull-out box during work.

[0012] Preferably, the bottom side wall of the lower guide plate is provided with a plurality of through grooves; the side wall of the flue gas processor is provided with a collecting hole; the collecting hole is arranged below the smoke outlet, and the above structure reduces the accumulation of the reaction liquid, so that the waste liquid of the reactant can be better collected and processed.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model describes a boiler denitrification flue gas treatment device, which sprays reactants into the interior of the flue gas treatment device through a spray head, so that the compounds in the flue gas react with the reactants for a sufficient time, so that the flue gas can be more fully desulfurized and denitrified. The treated flue gas flows out of the flue gas treatment device through the smoke outlet. By allowing the flue gas to more fully contact with the reactants inside the flue gas treatment device, the flue gas can be more fully denitrified, thereby increasing the treatment effect of the boiler flue gas.

[0015] 2. The utility model describes a boiler denitrification flue gas treatment device, which pushes the baffle to block the exhaust gas, and then pulls out the pull-out box from the inside of the flue gas treatment device to clean the impurities inside the pull-out box. The first connecting plate is provided to filter large particles of impurities in the flue gas, thereby reducing the interference of large particles of impurities on the reactants and improving the stability of the flue gas reaction. At the same time, the cooperation of the pull-out box and the baffle can clean the filtered impurities during operation, which is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the smoke treatment device in the utility model;

[0019] Figure 3 It is a schematic diagram of the matching structure of the first connecting plate and the second connecting plate in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the pull-out box in the utility model;

[0021] Figure 5 It is a structural schematic diagram of the guide plate in the utility model;

[0022] In the figure: 1. Smoke treatment device; 11. Smoke inlet; 12. Smoke outlet; 13. Upper guide plate; 14. Lower guide plate; 15. Sprinkler head; 2. First connecting plate; 21. Second connecting plate; 22. Pull-out box; 23. Baffle; 24. Filter hole; 25. Handle; 3. Connecting rod; 31. Guide plate; 4. Through hole; 5. Sealing strip; 6. Through groove; 61. Collecting hole. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figures 1 to 4As shown, a boiler denitrification flue gas treatment device described in an embodiment of the utility model comprises a flue gas processor 1; a smoke inlet 11 is provided on the side wall of the flue gas processor 1; a smoke outlet 12 is provided on the side wall of the flue gas processor 1; the smoke inlet 11 and the smoke outlet 12 are respectively located on the side walls at both ends of the flue gas processor 1; a plurality of groups of upper guide plates 13 are fixedly connected to the top of the inner side wall of the flue gas processor 1; a plurality of groups of lower guide plates 14 are fixedly connected to the bottom of the inner side wall of the flue gas processor 1; a plurality of groups of spray heads 15 are installed on the top of the inner side wall of the flue gas processor 1; the spray head 15 is arranged between the upper guide plate 13 and the lower guide plate 14, and when working, the smoke to be denitrified is passed from the smoke inlet 11 to the smoke treatment Inside the device 1, due to the arrangement of the upper guide plate 13 and the lower guide plate 14, the flue gas entering the flue gas processor 1 needs to continuously bypass the upper guide plate 13 and the lower guide plate 14 to move forward during the forward movement, thereby prolonging the time that the flue gas stays in the flue gas processor 1. At this time, the reactant is sprayed into the flue gas processor 1 through the spray head 15, so that the compounds in the flue gas react with the reactant for a sufficient time, so that the flue gas can be more fully desulfurized and denitrified. The treated flue gas flows out of the flue gas processor 1 through the smoke outlet 12. By allowing the flue gas to more fully contact with the reactant inside the flue gas processor 1, the flue gas can be more fully denitrified, thereby increasing the treatment effect of the boiler flue gas.

[0025] like Figures 1 to 4As shown, the bottom end of the upper guide plate 13 closest to the smoke inlet 11 is fixedly connected to a first connecting plate 2; the first connecting plate 2 is inclined; the end of the first connecting plate 2 is fixedly connected to a second connecting plate 21; the bottom end of the second connecting plate 21 is fixedly connected to the bottom of the inner wall of the smoke processor 1; the side wall of the smoke processor 1 is slidably connected to a pull-out box 22; the side wall of the smoke processor 1 is slidably connected to a baffle 23; the baffle 23 is H-shaped; the baffle 23 is arranged above the pull-out box 22; the baffle 23 is arranged below the first connecting plate 2; a plurality of groups of filter holes 24 are provided in the middle of the first connecting plate 2; a pair of handles 25 are fixedly connected to the side walls of the filter holes 24. When working, when the smoke is neutralized, the baffle 23 is in a pulled-open state, and the baffle 23 is opened by pressing on the upper guide plate A first connecting plate 2 is arranged between 13 and the flue gas treatment device 1, so that when the flue gas passes through the first connecting plate 2, large particles of impurities contained in the flue gas are intercepted by the filter holes 24, and the intercepted impurities can be dropped into the pull-out box 22 by the inclined first connecting plate 2. When the pull-out box 22 needs to be processed, the baffle 23 is pushed to block the exhaust gas, and then the pull-out box 22 is pulled out of the flue gas treatment device 1 to clean the impurities inside the pull-out box 22. The setting of the first connecting plate 2 can filter the large particles of impurities in the flue gas, reduce the interference of the large particles of impurities on the reactants, and improve the stability of the flue gas reaction. At the same time, the cooperation of the pull-out box 22 and the baffle 23 can clean the filtered impurities during work, which is more convenient and quick.

[0026] like Figures 2 to 5 As shown, a connecting rod 3 is fixedly connected to the end of the spray head 15; a pair of connecting rods 3 are provided on the spray head 15; a guide plate 31 is fixedly connected to the end of the connecting rod 3; the guide plate 31 is arranged in an arc shape. During operation, by arranging the guide plate 31 at the end of the spray head 15, when the reactant is sprayed outward through the spray head 15, the reactant passing through the guide plate 31 will be dispersed by the guide plate 31, so that the spraying range of the reactant is larger, thereby making the reactant contact with the flue gas more, making the reaction more complete, and improving the denitrification treatment effect of the flue gas.

[0027] like Figure 5 As shown, a through hole 4 is opened in the middle of the connecting rod 3; the through holes 4 are provided in multiple groups on the connecting rod 3 and are arranged in an array. When working, by providing the through holes 4 on the guide plate 31, the reactant can be sprayed through the blocked position in the middle of the guide plate 31 when passing through the guide plate 31, which further improves the spraying effect and makes the spraying range wider.

[0028] like Figure 4As shown, the side wall of the baffle 23 is fixedly connected with a sealing strip 5; the sealing strip 5 is located on the side wall of the baffle 23 close to the first connecting plate 2. During operation, by providing the sealing strip 5 on the baffle 23, when the pull-out box 22 is taken out from the inside of the smoke processor 1 for cleaning, the baffle 23 is pushed to fit with the second connecting plate 21. At this time, the sealing strip 5 located between the baffle 23 and the second connecting plate 21 can increase the sealing of the fit, reduce the possibility of smoke leakage when cleaning the pull-out box 22, and improve the safety of cleaning the pull-out box 22 during operation.

[0029] like Figure 2 Figure 3 As shown, the bottom side wall of the lower guide plate 14 is provided with a plurality of through grooves 6; the side wall of the flue gas processor 1 is provided with a collecting hole 61; the collecting hole 61 is arranged below the smoke outlet 12. When working, by providing the through grooves 6 below the lower guide plate 14, the reactant waste liquid after the reaction can flow through the through grooves 6 to the collecting hole 61 for discharge, thereby reducing the accumulation of the reactant liquid and enabling the reactant waste liquid to be better collected and treated.

[0030] During operation, the smoke to be deoxidized is introduced into the smoke processor 1 from the smoke inlet 11. Due to the arrangement of the upper guide plate 13 and the lower guide plate 14, the smoke introduced into the smoke processor 1 needs to continuously bypass the upper guide plate 13 and the lower guide plate 14 during the process of advancing, thereby prolonging the time for the smoke to stay in the smoke processor 1. At this time, the reactant is sprayed into the smoke processor 1 through the spray head 15, so that the compounds in the smoke react with the reactant for a sufficient time. The flue gas can be more fully desulfurized and denitrified. The treated flue gas flows out of the flue gas processor 1 through the smoke outlet 12. When the flue gas is neutralized, the baffle 23 is in a pulled-open state. A first connecting plate 2 is provided between the upper guide plate 13 and the flue gas processor 1, so that when the flue gas passes through the first connecting plate 2, large particles of impurities contained in the flue gas are intercepted through the filter holes 24. The first connecting plate 2 is inclined to allow the intercepted impurities to fall into the drawer box 22. When the flue gas needs to be neutralized, the baffle 23 is in a pulled-open state. When the pull box 22 is being processed, the baffle 23 is pushed to block the exhaust gas, and then the pull box 22 is pulled out from the inside of the smoke treatment device 1 to clean the impurities inside the pull box 22. By providing a guide plate 31 at the end of the spray head 15, when the reactant is sprayed outward through the spray head 15, the reactant passing through the guide plate 31 will be dispersed by the guide plate 31, so that the spraying range of the reactant is larger. By providing a through hole 4 on the guide plate 31, the reactant can also pass through the guide plate 31 when passing through the guide plate 31. Spraying is performed at a position blocked in the middle of the guide plate 31, which further improves the spraying effect. By providing a sealing strip 5 on the baffle 23, when the pull-out box 22 is taken out from the inside of the flue gas processor 1 for cleaning, the baffle 23 is pushed to fit with the second connecting plate 21. At this time, the sealing strip 5 located between the baffle 23 and the second connecting plate 21 can increase the sealing of the fit. By providing a through groove 6 under the lower guide plate 14, the reactant waste liquid after the reaction can flow through the through groove 6 to the collection hole 61 for discharge.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A boiler denitrification flue gas treatment device, comprising a flue gas treatment device (1); characterized in that: The side wall of the smoke processor (1) is provided with a smoke inlet (11); the side wall of the smoke processor (1) is provided with a smoke outlet (12); the smoke inlet (11) and the smoke outlet (12) are respectively located on the side walls at both ends of the smoke processor (1); a plurality of groups of upper guide plates (13) are fixedly connected to the top of the inner side wall of the smoke processor (1); a plurality of groups of lower guide plates (14) are fixedly connected to the bottom of the inner side wall of the smoke processor (1); a plurality of groups of spray heads (15) are installed on the top of the inner side wall of the smoke processor (1); the spray heads (15) are arranged between the upper guide plate (13) and the lower guide plate (14).

2. A boiler denitrification flue gas treatment device according to claim 1, characterized in that: The bottom end of the upper guide plate (13) closest to the smoke inlet (11) is fixedly connected to a first connecting plate (2); the first connecting plate (2) is arranged obliquely; the end of the first connecting plate (2) is fixedly connected to a second connecting plate (21); the bottom end of the second connecting plate (21) is fixedly connected to the bottom of the inner wall of the smoke processor (1); the side wall of the smoke processor (1) is slidably connected to a pull-out box (22); the side wall of the smoke processor (1) is slidably connected to a baffle (23); the baffle (23) is arranged in an H-shape; the baffle (23) is arranged above the pull-out box (22); the baffle (23) is arranged below the first connecting plate (2); a plurality of groups of filter holes (24) are provided in the middle of the first connecting plate (2); and a pair of handles (25) are fixedly connected to the side walls of the filter holes (24).

3. A boiler denitrification flue gas treatment device according to claim 2, characterized in that: The end of the shower head (15) is fixedly connected to a connecting rod (3); a pair of connecting rods (3) are provided on the shower head (15); the end of the connecting rod (3) is fixedly connected to a guide plate (31); the guide plate (31) is arranged in an arc shape.

4. A boiler denitrification flue gas treatment device according to claim 3, characterized in that: A through hole (4) is provided in the middle of the connecting rod (3); a plurality of groups of the through holes (4) are provided on the connecting rod (3) and are arranged in an array.

5. A boiler denitrification flue gas treatment device according to claim 4, characterized in that: A sealing strip (5) is fixedly connected to the side wall of the baffle plate (23); the sealing strip (5) is located on a side wall of the baffle plate (23) close to the first connecting plate (2).

6. A boiler denitrification flue gas treatment device according to claim 5, characterized in that: The bottom side wall of the lower guide plate (14) is provided with a plurality of through grooves (6); the side wall of the smoke processor (1) is provided with a collecting hole (61); the collecting hole (61) is arranged below the smoke outlet (12).

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