Flue gas desulfurization and denitrification device

Abstract

The utility model discloses a flue gas desulfurization and denitrification device which comprises a treatment tank, a cover body covers an opening at the top of the treatment tank, and electric telescopic rods are respectively and fixedly arranged on the outer wall of the treatment tank and on the left side and the right side. According to the flue gas desulfurization and denitrification device provided by the utility model, when a large amount of dust is accumulated on the filter plate and the filter plate needs to be detached for cleaning or replacement, the insertion rod is pulled firstly to leave the baffle plate, then the baffle plate can be pushed into the supporting box, and then the insertion rod is loosened; and then two sliding blocks are extruded towards the middle, so that the corresponding inserting blocks leave the supporting box, then the limitation between the filtering plate and the supporting box can be relieved, the filtering plate can be pulled out from the interior of the supporting box, and the filtering effect of the filtering plate is improved. The filter plate is detached through simple operation, so that an operator can conveniently and regularly detach the filter plate for cleaning or replacing operation, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flue gas desulfurization and denitrification, especially relates to a flue gas desulfurization and denitrification device. BACKGROUND

[0002] Flue gas desulfurization and denitrification is an important technology for reducing industrial waste gas pollution and protecting air quality. Flue gas desulfurization removes sulfur dioxide (SO2) produced in the combustion process through chemical or physical methods, and flue gas denitrification removes nitrogen oxides (NO x ) in flue gas.

[0003] For example, Chinese utility model patent (CN221867985U) discloses a flue gas desulfurization and denitrification device, which is characterized in that: the rotation of the rotating shaft I drives the rotation of the drain pipe, the rotation of the rotating shaft II drives the rotation of the reagent pipe and the mesh plate, so that the water in the drain pipe and the desulfurization and denitrification agent in the reagent pipe can be uniformly sprayed in the box, thereby increasing the contact speed of flue gas and desulfurization and denitrification agent; the box and the cover are connected by a buckle, which makes it more convenient for operators to clean the inside of the box; when the ring gear rotates, it drives the scraper to rotate, thereby ensuring the cleanliness of the box.

[0004] In summary, the existing technology uses flue gas to pass through the filter frame and discharge into the box, and the filter frame can trap impurities in the flue gas. However, this method has the following technical problems: after long-term use of the filter frame, the accumulated dust in the filter frame will gradually increase, affecting the filtering effect. The above device does not design a structure for easily disassembling and cleaning the filter screen, filter plate and filter cloth in the filter frame, and the practicality of the device is not high. Therefore, the present application provides a flue gas desulfurization and denitrification device to solve the technical problems mentioned in the above patent and provide a new technical solution. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a flue gas desulfurization and denitrification device to solve the above technical problems.

[0006] To solve the above technical problems, the utility model adopts the technical solutions as follows:

[0007] A flue gas desulfurization and denitrification device is applied to flue gas desulfurization and denitrification.

[0008] The flue gas desulfurization and denitrification device specifically comprises:

[0009] A treatment tank is provided with a cover on the top opening, and electric telescopic rods are fixedly installed on the outer wall of the treatment tank and located on the left and right sides; the top ends of the two electric telescopic rods are fixedly connected to the bottom of the cover; a filtering mechanism is arranged on the top of the cover; and a treatment mechanism is arranged on the cover.

[0010] The filtering mechanism comprises a supporting box, a fixing shell, a blocking assembly and a filtering assembly; the supporting box is fixedly installed on the top of the cover; the fixing shell is fixedly connected to the outer wall of the supporting box; the blocking assembly is arranged on the supporting box; and the two filtering assemblies are arranged in the supporting box and above the fixing shell.

[0011] As a preferred embodiment of the flue gas desulfurization and denitrification device, the blocking assembly comprises a baffle; the baffle is slidably connected to the inner wall of the supporting box; the fixing shell is slidably connected to the inner wall of the fixing shell; one end of the plug rod passes through the supporting box and is movably inserted into the baffle; the outer wall of the plug rod is fixedly connected to the connecting plate; the connecting plate is slidably connected to the inner wall of the fixing shell; the second spring is sleeved on the outer portion of the plug rod; and the two ends of the second spring are fixedly connected to the outer wall of the connecting plate and the inner wall of the fixing shell.

[0012] As a preferred embodiment of the flue gas desulfurization and denitrification device, the filter assembly comprises a filter plate, the inner wall of the support box is slidably connected with the filter plate, the inner wall of the filter plate is fixedly connected with a first spring at the left and right sides respectively, the end of the two first springs away from each other is fixedly connected with a sliding block, the inner wall of the filter plate is slidably connected with the two sliding blocks, the side of the two sliding blocks away from each other is fixedly connected with an insertion block, and the insertion block is movably inserted into the support box.

[0013] As a preferred embodiment of the flue gas desulfurization and denitrification device, the processing mechanism comprises a storage tank, a water pump, a spraying assembly and an agitation assembly, the top of the cover body is fixedly connected with the storage tank at the front and rear sides respectively, and the top of the cover body is fixedly installed with the two water pumps.

[0014] As a preferred embodiment of the flue gas desulfurization and denitrification device, the spraying assembly comprises a fixed pipe, the outer wall of the processing tank is fixedly connected with the fixed pipe, the inner wall of the storage tank is fixedly connected with the water inlet pipe of the water pump, the inner wall of the fixed pipe is fixedly connected with the water outlet pipe of the water pump, the bottom of the fixed pipe is fixedly connected with a plurality of atomizing spray pipes, and the atomizing spray pipes are fixedly connected with the inner wall of the processing tank.

[0015] As a preferred embodiment of the flue gas desulfurization and denitrification device, the agitation assembly comprises a driving motor, the top of the cover body is fixedly installed with the driving motor, the output end of the driving motor is fixedly connected with a first agitation rod, the first agitation rod is rotatably connected with the inner wall of the cover body, the outer wall of the first agitation rod is fixedly connected with a driving gear, the top of the cover body is rotatably connected with a driven gear, the driven gear is meshed with the outer wall of the driving gear, the top of the driven gear is fixedly connected with a second agitation rod, and the inner wall of one of the storage tanks is rotatably connected with the outer wall of the second agitation rod.

[0016] Compared with the prior art, the flue gas desulfurization and denitrification device has the following beneficial effects:

[0017] The flue gas desulfurization and denitration device provided by the utility model, when a lot of dust is accumulated on the filter plate and needs to be disassembled for cleaning or replacement, first pull the plug rod, make the plug rod leave the baffle, immediately push the baffle into the support box, then loosen the plug rod, immediately make the plug rod insert into the baffle again under the action of the second spring elastic force, fix the position of the baffle, then extrude the two sliding blocks to the middle, immediately make the corresponding plug block leave the support box, immediately release the restriction between the filter plate and the support box, immediately pull out the filter plate from the inside of the support box, complete the disassembly of the filter plate through simple operation, conveniently make the operator regularly disassemble the filter plate for cleaning or replacement, improve the practicability of the device, and push the baffle into the support box before disassembling the filter plate, can reduce the condition that the dust on the filter plate falls into the treatment tank during the disassembly process, thereby reducing the cleaning difficulty of the subsequent treatment tank, reducing the condition that the spray head on the atomizing spray pipe is blocked by dust, and improving the practicability of the device.

[0018] The flue gas desulfurization and denitration device provided by the utility model, by respectively putting desulfurizing agent and denitration agent into the two storage tanks, the agent prone to precipitation can be loaded into the storage tank provided with the second stirring rod, and the agent not prone to precipitation can be loaded into the other storage tank, and subsequently, the corresponding water pump can be controlled to respectively transmit the desulfurizing agent or the denitration agent to the inside of the treatment tank for spraying, so that the tail gas is desulfurized or denitrated, the first stirring rod can be driven to rotate by controlling the driving motor, so that the flue gas in the treatment tank and the desulfurizing agent or the denitration agent can be fully mixed, and the rotation of the first stirring rod can also drive the second stirring rod to rotate through the driving gear and the driven gear, so that the agent in the corresponding storage tank is stirred, the precipitation of the agent in the storage tank is reduced, and the practicability of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the following description drawings are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0020] Figure 1 It is the overall structure schematic diagram of the flue gas desulfurization and denitration device provided by the utility model;

[0021] Figure 2 It is the partial structure enlarged view of the flue gas desulfurization and denitration device provided by the utility model;

[0022] Figure 3 It is the support box explosion internal structure schematic diagram of the flue gas desulfurization and denitration device provided by the utility model;

[0023] Figure 4 The flue gas desulfurization and denitrification device provided by the utility model has the advantages of simple structure, convenient use, high efficiency, high desulfurization and denitrification rate, low energy consumption, low cost, and high economic efficiency. Figure 3 An enlarged view of A;

[0024] Figure 5 The internal structure schematic diagram of the processing tank and the storage tank of the flue gas desulfurization and denitrification device provided by the utility model.

[0025] The marks in the figure are explained as follows:

[0026] 1, processing tank; 2, cover body; 3, electric telescopic rod; 4, filtering mechanism; 5, processing mechanism; 6, support box; 7, filter plate; 8, first spring; 9, sliding block; 10, plug block; 11, baffle; 12, fixed shell; 13, plug rod; 14, connecting plate; 15, second spring; 16, storage tank; 17, water pump; 18, fixed pipe; 19, atomizing spray pipe; 20, driving motor; 21, first stirring rod; 22, driving gear; 23, driven gear; 24, second stirring rod. DETAILED DESCRIPTION

[0027] In order for those skilled in the art to better understand the utility model scheme, the technical solutions in the utility model embodiments will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the utility model.

[0028] As described in the background, but after using the filter frame for a long time, the dust accumulated in the filter frame will gradually increase, thereby affecting the filtering effect, and the above-mentioned device does not design a structure convenient for dismounting and cleaning the filter screen, filter plate and filter cloth in the filter frame, and the practicability of the device is not high.

[0029] In order to solve this technical problem, the utility model provides a flue gas desulfurization and denitrification device, which is applied to flue gas desulfurization and denitrification.

[0030] Specifically, please refer to Figures 1-4 The flue gas desulfurization and denitrification device specifically comprises:

[0031] The processing tank 1 is covered with the cover body 2 at the top opening, the outer wall of the processing tank 1 and the left and right sides are respectively fixedly installed with the electric telescopic rods 3, the top ends of the two electric telescopic rods 3 are fixedly connected to the bottom of the cover body 2, the top of the cover body 2 is provided with the filtering mechanism 4, and the cover body 2 is provided with the processing mechanism 5.

[0032] The filtering mechanism 4 comprises a support box 6, a fixed shell 12, a blocking assembly, a filtering assembly, the top of the cover body 2 is fixedly provided with the support box 6, the outer wall of the support box 6 is fixedly connected with the fixed shell 12, the support box 6 is provided with the blocking assembly, and the inside of the support box 6 and above the fixed shell 12 are provided with two filtering assemblies.

[0033] When the filter plate 7 needs to be disassembled and cleaned or replaced due to the accumulation of a large amount of dust on the filter plate 7, the plug rod 13 is first pulled to make the plug rod 13 away from the baffle 11, the baffle 11 can be immediately pushed into the support box 6, then the plug rod 13 is loosened, the plug rod 13 is inserted into the baffle 11 again under the elastic action of the second spring 15, the position of the baffle 11 is fixed, then the two sliding blocks 9 are extruded towards the middle to make the corresponding plug block 10 away from the support box 6, the restriction between the filter plate 7 and the support box 6 is immediately released, the filter plate 7 can be immediately pulled out from the inside of the support box 6, the disassembly of the filter plate 7 is completed through simple operation, the operator can conveniently disassemble the filter plate 7 regularly for cleaning or replacement, the practicability of the device is improved, and the baffle 11 is pushed into the support box 6 before the filter plate 7 is disassembled, so that the dust on the filter plate 7 is prevented from falling into the treatment tank 1 during the disassembly process, the cleaning difficulty of the subsequent treatment tank 1 is reduced, the situation that the nozzles on the atomizing nozzle 19 are blocked by dust is reduced, and the practicability of the device is improved.

[0034] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings.

[0035] Embodiment 1:

[0036] Please refer to Figures 2-4 A flue gas desulfurization and denitrification device comprises:

[0037] The blocking assembly comprises a baffle 11, the inner wall of the support box 6 is slidably connected with the baffle 11, the inner wall of the fixed shell 12 is slidably connected with a plug rod 13, one end of the plug rod 13 passes through the support box 6 and is movably inserted into the baffle 11, the outer wall of the plug rod 13 is fixedly connected with a connecting plate 14, the plug rod 13 is fixedly connected with a handle convenient for pulling the plug rod 13, the connecting plate 14 is provided with a hole for inserting the plug rod 13, the connecting plate 14 is slidably connected to the inner wall of the fixed shell 12, the outer portion of the plug rod 13 is sleeved with a second spring 15, and the two ends of the second spring 15 are fixedly connected to the outer wall of the connecting plate 14 and the inner wall of the fixed shell 12.

[0038] The filtering assembly comprises a filtering plate 7, the inner wall of the supporting box 6 is slidably connected with the filtering plate 7, the inner wall of the filtering plate 7 is fixedly connected with a first spring 8 at left and right sides respectively, the end of the two first springs 8 away from each other is fixedly connected with a sliding block 9, the two sliding blocks 9 are slidably connected to the inner wall of the filtering plate 7, the side of the two sliding blocks 9 away from each other is fixedly connected with an insertion block 10, the insertion block 10 is movably inserted into the supporting box 6, there are two filtering assemblies in the supporting box 6, that is, there are two filtering plates 7 in the supporting box 6, the upper filtering plate 7 preliminarily filters the flue gas, and the lower filtering plate 7 further filters the flue gas, and the filter hole of the upper filtering plate 7 is larger than that of the lower filtering plate 7.

[0039] Through the above structure design, the flue gas is injected from the top of the supporting box 6, when the filtering plate 7 needs to be disassembled and cleaned or replaced due to the accumulation of dust on the filtering plate 7, first pull the insertion rod 13, drive the connecting plate 14 to slide in the fixed shell 12, make the second spring 15 deform, make the insertion rod 13 away from the baffle 11, then push the baffle 11 into the supporting box 6, then release the insertion rod 13, under the action of the elastic force of the second spring 15, make the insertion rod 13 inserted into the baffle 11 again, fix the position of the baffle 11, then extrude the two sliding blocks 9 to the middle, make the corresponding insertion block 10 away from the supporting box 6, make the corresponding first spring 8 deform, then release the restriction between the filtering plate 7 and the supporting box 6, then pull out the filtering plate 7 from the supporting box 6, then clean the disassembled filtering plate 7, when installing the clean filtering plate 7, extrude the two sliding blocks 9 to the middle, make the two insertion blocks 10 retract into the filtering plate 7, then insert the filtering plate 7 into the supporting box 6, then release the two sliding blocks 9, under the action of the elastic force of the corresponding first spring 8, make the insertion block 10 inserted into the supporting box 6, fix the position of the filtering plate 7, complete the installation of the filtering plate 7, after the filtering plate 7 is installed, pull the insertion rod 13 away from the baffle 11, then pull out the baffle 11 to the appropriate position, then release the insertion rod 13.

[0040] Embodiment 2:

[0041] The flue gas desulfurization and denitrification device provided in embodiment 1 is further optimized, specifically, as shown in the figure, the processing mechanism 5 comprises a storage tank 16, a water pump 17, a spraying assembly, an agitating assembly, the top of the cover body 2 is fixedly connected with a storage tank 16 at the front and rear sides respectively, the top of the cover body 2 is fixedly installed with two water pumps 17, the two storage tanks 16 can store desulfurizing agent and denitrating agent respectively, wherein the desulfurizing agent can be limestone slurry, and the denitrating agent can be ammonia water, since the limestone slurry is prone to precipitation, the limestone slurry can be placed in the storage tank 16 with the second agitating rod 24, and the storage tank 16 and the processing tank 1 are made of 304 stainless steel. Figure 5 ​

[0042] The spraying assembly comprises a fixed pipe 18, the fixed pipe 18 is fixedly connected to the outer wall of the treatment tank 1, the water inlet pipe of the water pump 17 is fixedly connected to the inner wall of the storage tank 16, the water outlet pipe of the water pump 17 is fixedly connected to the inner wall of the fixed pipe 18, the bottom of the fixed pipe 18 is fixedly connected with a plurality of atomizing spray pipes 19, the atomizing spray pipes 19 are fixedly connected to the inner wall of the treatment tank 1, and a plurality of atomizing spray heads are arranged on the atomizing spray pipes 19, which can atomize and spray corresponding desulfurizing agents or denitration agents.

[0043] The stirring assembly comprises a driving motor 20, the driving motor 20 is fixedly installed on the top of the cover body 2, the output end of the driving motor 20 is fixedly connected with a first stirring rod 21, the first stirring rod 21 is rotatably connected to the inner wall of the cover body 2, the outer wall of the first stirring rod 21 is fixedly connected with a driving gear 22, the top of the cover body 2 is rotatably connected with a driven gear 23, the driven gear 23 is engaged with the outer wall of the driving gear 22, and the top of the driven gear 23 is fixedly connected with a second stirring rod 24. The inner wall of one of the storage tanks 16 is rotatably connected with the outer wall of the second stirring rod 24. The first stirring rod 21 can fully mix flue gas with desulfurizing agents or flue gas with denitration agents. The second stirring rod 24 can reduce the precipitation of the medicament in the storage tank 16.

[0044] Through the above structure design, by respectively adding desulfurizing agents and denitration agents into the two storage tanks 16, the medicament prone to precipitation can be placed in the storage tank 16 provided with the second stirring rod 24, and the medicament not prone to precipitation can be placed in the other storage tank 16. Subsequently, the medicament in the storage tank 16 can be transferred to the fixed pipe 18 by controlling the corresponding water pump 17. Then, the medicament enters the atomizing spray pipe 19 and is atomized and sprayed into the treatment tank 1. By controlling the driving motor 20, the first stirring rod 21 can be driven to rotate. At the same time, the rotation of the first stirring rod 21 can also drive the second stirring rod 24 to rotate through the driving gear 22 and the driven gear 23, so that the medicament in the corresponding storage tank 16 is stirred.

[0045] Embodiment 3:

[0046] The flue gas desulfurization and denitration device provided in Embodiment 1 is further optimized. Specifically, a plc control module is installed on the cover body 2, the plc control module is electrically connected between the electric telescopic rod 3, the plc control module is electrically connected between the water pump 17, and the plc control module is electrically connected between the driving motor 20. The plc control module can control the starting and stopping of the electric telescopic rod 3, the water pump 17 and the driving motor 20 respectively.

Claims

1. A flue gas desulfurization and denitrification device comprising a treatment tank (1), characterized in that: The top opening of the treatment tank (1) is covered with a cover (2), the outer wall of the treatment tank (1) is fixedly installed with an electric telescopic rod (3) on the left and right sides respectively, the top end of the two electric telescopic rods (3) is fixedly connected to the bottom of the cover (2), the top of the cover (2) is provided with a filtering mechanism (4), and the cover (2) is provided with a treatment mechanism (5). The filtering mechanism (4) comprises a supporting box (6), a fixed shell (12), a blocking assembly and a filtering assembly, the top of the cover (2) is fixedly installed with the supporting box (6), the outer wall of the supporting box (6) is fixedly connected with the fixed shell (12), the supporting box (6) is provided with the blocking assembly, and the inside of the supporting box (6) and above the fixed shell (12) is provided with two filtering assemblies.

2. The flue gas desulfurization and denitrification apparatus according to claim 1, characterized by The blocking assembly comprises a baffle (11), the inner wall of the supporting box (6) is slidably connected with the baffle (11), the inner wall of the fixed shell (12) is slidably connected with a plug rod (13), one end of the plug rod (13) penetrates through the supporting box (6) and is movably inserted into the baffle (11), the outer wall of the plug rod (13) is fixedly connected with a connecting plate (14), the connecting plate (14) is slidably connected to the inner wall of the fixed shell (12), and the outer portion of the plug rod (13) is sleeved with a second spring (15). The two ends of the second spring (15) are fixedly connected to the outer wall of the connecting plate (14) and the inner wall of the fixed shell (12) respectively.

3. The flue gas desulfurization and denitrification apparatus according to claim 1, characterized by The filtering assembly comprises a filter plate (7), the inner wall of the supporting box (6) is slidably connected with the filter plate (7), the inner wall of the filter plate (7) and on the left and right sides is fixedly connected with a first spring (8) respectively, the ends of the two first springs (8) away from each other are fixedly connected with a sliding block (9), the two sliding blocks (9) are slidably connected to the inner wall of the filter plate (7), and the sides of the two sliding blocks (9) away from each other are fixedly connected with an insertion block (10). The insertion block (10) is movably inserted into the supporting box (6).

4. The flue gas desulfurization and denitrification apparatus according to claim 1, wherein The treatment mechanism (5) comprises a storage tank (16), a water pump (17), a spraying assembly and an agitating assembly, the top of the cover (2) and on the front and back sides is fixedly connected with a storage tank (16) respectively, and the top of the cover (2) is fixedly installed with two water pumps (17).

5. The flue gas desulfurization and denitrification device according to claim 4, characterized by The spraying assembly comprises a fixed pipe (18), the outer wall of the treatment tank (1) is fixedly connected with the fixed pipe (18), the water inlet pipe of the water pump (17) is fixedly connected to the inner wall of the storage tank (16), the water outlet pipe of the water pump (17) is fixedly connected to the inner wall of the fixed pipe (18), the bottom of the fixed pipe (18) is fixedly connected with a plurality of atomizing spray pipes (19), and the atomizing spray pipes (19) are fixedly connected to the inner wall of the treatment tank (1).

6. The flue gas desulfurization and denitrification apparatus according to claim 4, wherein Said stirring assembly includes drive motor (20), the top of the cover (2) is fixedly installed with drive motor (20), the output end of drive motor (20) is fixedly connected with first stirring rod (21), first stirring rod (21) is rotatably connected in the inner wall of cover (2), the outer wall of first stirring rod (21) is fixedly connected with driving gear (22), the top of cover (2) is rotatably connected with driven gear (23), driven gear (23) is engaged in the outer wall of driving gear (22), the top of driven gear (23) is fixedly connected with second stirring rod (24), the inner wall of one of the storage tank (16) is rotatably connected with the outer wall of second stirring rod (24).

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