Energy-saving flue gas desulfurization tower

Abstract

The utility model relates to the field of flue gas desulfurization, in particular to an energy-saving flue gas desulfurization tower which comprises a mounting bottom plate, a motor and a gas inlet pipe, a desulfurization tower shell is arranged at the upper end of the mounting bottom plate, a transmission shaft is arranged in the desulfurization tower shell, a connecting rod is arranged on the side face of the transmission shaft, and a scraping plate is fixed to the end, away from the transmission shaft, of the connecting rod. The lower end of the transmission shaft is connected with a motor, a packing layer is arranged in the desulfurizing tower shell, a spraying pipe is arranged above the packing layer, an atomizing nozzle is arranged at the lower end of the spraying pipe, and an exhaust port is formed in the upper end of the desulfurizing tower shell. The flue gas can be effectively desulfurized, and the desulfurization efficiency is improved; and through the design of the circulating pump and the circulating pipe, the spraying liquid can be recycled, the consumption of water resources is reduced, and meanwhile, the desulfurization cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas desulfurization, in particular to an energy-saving flue gas desulfurization tower. Background Art

[0002] The desulfurization tower is a tower-type equipment for desulfurization of industrial waste gas. The desulfurization tower was originally built with granite and was most widely used. It uses the principle of water film desulfurization and dust removal, and is also known as granite water film desulfurization dust collector, or granite water film desulfurization dust collector.

[0003] In the related art, after searching (CN215939529U), an energy-saving flue gas desulfurization tower is disclosed, including a desulfurization tower body 1, a smoke inlet pipe 2, a smoke exhaust pipe 3, a discharge pump 4, an ammonia circulation pump 5, a desulfurization sprayer 6, a cleaning sprayer 7, a partition 8, a cleaning circulation box 9, a cleaning circulation pump 10, and a demister 11; through the arrangement of a desulfurization sprayer containing multiple spray layers, the flue gas forms a countercurrent contact with the ammonia water during the rising process, and the desulfurization is thorough and efficient, reducing unnecessary energy consumption; the product of ammonia desulfurization falls to the bottom of the desulfurization tower, and can be used as a raw material for other chemical products after being discharged by the discharge pump, saving resources and reducing production costs, but the device often produces impurities that enter the device during the desulfurization process, some of which will be discharged through the waste port, but some of the impurities will remain on the inner wall of the device, and the staff often need to process the impurities on the inner wall of the device body before they can be processed, but the impurities on the inner wall of the device body are difficult to process. For this reason, we propose an energy-saving flue gas desulfurization tower.

[0004] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0005] The utility model aims to provide an energy-saving flue gas desulfurization tower to solve the problem that some impurities mentioned in the above background technology will remain on the inner wall of the device, and the staff often need to process the impurities on the inner wall of the device body before they can deal with it, but the impurities on the inner wall of the device body are difficult to process.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An energy-saving flue gas desulfurization tower comprises a mounting base plate, a desulfurization tower shell, a motor and an air intake pipe, wherein the desulfurization tower shell is vertically fixedly installed on the right side of the upper end of the mounting base plate, a transmission shaft is rotatably installed at the lower end of the inner part of the desulfurization tower shell, the upper end of the transmission shaft is rotatably installed in the lower end movable sleeve of the fixed rod, a plurality of groups of connecting rods are symmetrically installed on the side of the transmission shaft, a scraper plate is fixedly installed at one end of the connecting rod away from the transmission shaft, one side of the scraper plate is fitted with the inner wall of the desulfurization tower shell, and the lower end of the transmission shaft passes through the mounting base plate and the motor output end at the lower right end of the mounting base plate The desulfurization tower shell is connected to a left side thereof with an air inlet pipe, a packing layer is horizontally installed above the air inlet pipe inside the desulfurization tower shell, a spray pipe is horizontally installed above the packing layer inside the desulfurization tower shell, a plurality of groups of atomizing nozzles are arranged at intervals at the lower end of the spray pipe, two groups of fixed frames are horizontally installed above the spray pipe inside the desulfurization tower shell, a drying plate is installed inside the fixed frame at the lower end, an activated carbon adsorption layer is installed inside the fixed frame at the upper end, the left side of the fixed frame is clamped in the block, and an exhaust port is arranged at the upper end of the desulfurization tower shell.

[0008] In some embodiments, a circulation pipe is provided on the right side of the spray pipe, a circulation pump is installed on the circulation pipe, the lower end of the circulation pipe is connected to the inner lower end of the desulfurization tower shell, and a filtering device is installed on the circulation pipe.

[0009] In some embodiments, a water tank is installed on the upper left end of the mounting base plate, a water pipe is connected to the interior of the water tank, the left side of the water pipe is connected to the interior of the desulfurization tower shell, a water pump is installed on the water pipe, and a liquid level observation window is provided at the front end of the water tank.

[0010] In some embodiments, an inspection port is provided at a position corresponding to the scraper plate below the front end of the desulfurization tower shell, a desulfurization observation window is provided above the inspection port at the front end of the desulfurization tower shell, and a fine filter is horizontally installed inside the upper end of the desulfurization tower shell.

[0011] In some embodiments, the right side of the fixed frame passes through the desulfurization tower shell, and a connecting plate is installed on the right side of the fixed frame. A connecting stud is penetrated inside the connecting plate, and the left side of the connecting stud is fixedly connected to the desulfurization tower shell. A fastening nut is provided on the side threaded engagement of the connecting stud. A sealing plate is installed at the contact position between the fixed frame and the desulfurization tower shell, and the sealing plate is fitted with the desulfurization tower shell.

[0012] In some embodiments, a sewage pipe is provided at the rear end of the desulfurization tower shell at a position corresponding to the inspection port, and support columns are symmetrically installed on the left and right sides of the lower end of the installation base plate.

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

[0014] Through the combination of spray pipes, atomizing nozzles and packing layers, the flue gas can be effectively desulfurized and the desulfurization efficiency can be improved; the design of the circulation pump and the circulation pipe allows the spray liquid to be recycled, reducing the consumption of water resources and reducing the desulfurization cost; the design of the scraper plate and the setting of the inspection port make the maintenance and cleaning of the desulfurization tower easier, ensuring the long-term stable operation of the equipment; through the design of the connecting plate, connecting studs and fastening nuts, the sealing between the fixed frame and the desulfurization tower shell is guaranteed to prevent gas leakage; the setting of the activated carbon adsorption layer and the drying plate further improves the desulfurization effect, and the detachable design of the fixed frame facilitates the replacement and maintenance of these components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an energy-saving flue gas desulfurization tower proposed by the utility model;

[0016] Figure 2 This is a front view of an energy-saving flue gas desulfurization tower proposed by the utility model;

[0017] Figure 3 This is an enlarged view of point A of an energy-saving flue gas desulfurization tower proposed by the utility model.

[0018] In the figure: 1 is the installation base plate, 2 is the support column, 3 is the motor, 4 is the water tank, 5 is the water pipe, 6 is the water pump, 7 is the air intake pipe, 8 is the desulfurization tower shell, 9 is the connecting rod, 10 is the scraper plate, 11 is the transmission shaft, 12 is the packing layer, 13 is the spray pipe, 14 is the atomizing nozzle, 15 is the fixing frame, 16 is the fine filter screen, 17 is the exhaust port, 18 is the liquid level observation window, 19 is the inspection port, 20 is the desulfurization observation window, 21 is the circulation pipe, 22 is the circulation pump, 23 is the filtering device, 24 is the connecting plate, 25 is the connecting stud, 26 is the fastening nut, and 27 is the sealing plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Reference Figure 1 , 2 , an energy-saving flue gas desulfurization tower, comprising a mounting base plate 1, a desulfurization tower shell 8, a motor 3 and an air intake pipe 7. The desulfurization tower shell 8 is vertically fixedly installed on the right side of the upper end of the mounting base plate 1, and a transmission shaft 11 is rotatably arranged at the lower end of the desulfurization tower shell 8. The upper end of the transmission shaft 11 is rotatably arranged in the lower end movable sleeve of the fixed rod, and multiple groups of connecting rods 9 are symmetrically installed on the side of the transmission shaft 11. A scraper plate 10 is fixedly installed at one end of the connecting rod 9 away from the transmission shaft 11, and one side of the scraper plate 10 is fitted with the inner wall of the desulfurization tower shell 8. The lower end of the transmission shaft 11 penetrates the mounting base plate 1 and is connected to the output end of the motor 3 at the lower right end of the mounting base plate 1. The left side of the desulfurization tower shell 8 is connected with the air intake pipe 7, and the interior of the desulfurization tower shell 8 is above the air intake pipe 7. A packing layer 12 is installed horizontally, and a spray pipe 13 is installed horizontally inside the desulfurization tower shell 8 above the packing layer 12. A plurality of groups of atomizing nozzles 14 are arranged at intervals at the lower end of the spray pipe 13. Two groups of fixed frames 15 are installed horizontally above the spray pipe 13 inside the desulfurization tower shell 8. A drying plate is installed inside the lower fixed frame 15, and an activated carbon adsorption layer is installed inside the upper fixed frame 15. The left side of the fixed frame 15 is clamped in the block. An exhaust port 17 is opened at the upper end of the desulfurization tower shell 8. The flue gas entering the desulfurization tower can be desulfurized through the spray pipe 13, the atomizing nozzle 14 and the packing layer 12. The scraper plate 10 is driven by the motor 3 to scrape the inner wall of the lower end of the desulfurization tower shell 8 to avoid the accumulation of impurities on the inner wall.

[0023] When the embodiments of the present utility model are implemented, Figure 1 ,2 As shown, a circulation pipe 21 is provided on the right side of the spray pipe 13, a circulation pump 22 is installed on the circulation pipe 21, the lower end of the circulation pipe 21 is connected to the lower end of the interior of the desulfurization tower shell 8, a filtering device 23 is installed on the circulation pipe 21, a water tank 4 is installed on the left upper end of the installation base plate 1, a water supply pipe 5 is provided inside the water tank 4, the left side of the water supply pipe 5 is connected to the interior of the desulfurization tower shell 8, a water supply pump 6 is installed on the water supply pipe 5, and a liquid level observation window 18 is provided at the front end of the water tank 4. The circulating pump 22 and the circulation pipe 21 can recycle the spray liquid, save resources, and reduce the desulfurization cost.

[0024] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, an inspection port 19 is provided at the lower front end of the desulfurization tower shell 8 at the position corresponding to the scraper plate 10, a desulfurization observation window 20 is provided at the upper front end of the desulfurization tower shell 8, a fine filter screen 16 is horizontally installed inside the upper end of the desulfurization tower shell 8, a sewage pipe is connected to the rear end of the desulfurization tower shell 8 at the position corresponding to the inspection port 19, support columns 2 are symmetrically installed on the left and right sides of the lower end of the installation base plate 1, and the inspection port 19 provided at the front end of the desulfurization tower shell 8 can be used for inspection and replacement of the scraper plate 10 to ensure the scraping effect of the scraper plate 10.

[0025] When the embodiments of the present utility model are implemented, Figure 1 , 3 As shown, the right side of the fixed frame 15 passes through the desulfurization tower shell 8, and a connecting plate 24 is installed on the right side of the fixed frame 15. A connecting stud 25 is installed inside the connecting plate 24, and the left side of the connecting stud 25 is fixedly connected to the desulfurization tower shell 8. A fastening nut 26 is provided on the side thread engagement of the connecting stud 25. A sealing plate 27 is installed at the contact position between the fixed frame 15 and the desulfurization tower shell 8, and the sealing plate 27 is fitted with the desulfurization tower shell 8. The fixed frame 15 can be disassembled and assembled through the connecting plate 24, the connecting stud 25 and the fastening nut 26. The fixed frame 15 can be conveniently replaced after being used for a long time, thereby ensuring the normal operation of the activated carbon adsorption layer and the drying plate arranged inside the fixed frame 15.

[0026] In this embodiment, the flue gas enters the desulfurization tower shell 8 through the air inlet pipe 7; when the flue gas rises and passes through the packing layer 12, the spray pipe 13 sprays the flue gas through the atomizing nozzle 14 to perform preliminary desulfurization; the spray liquid circulates through the circulation pipe 21 and the circulation pump 22, and removes impurities through the filtering device 23, and is sprayed again for use to save resources; the flue gas continues to rise, passes through the drying plate to remove moisture, and is then further purified through the activated carbon adsorption layer; the purified flue gas is filtered through the fine filter mesh 16 and finally discharged from the exhaust port 17; the motor 3 drives the transmission shaft 11 to rotate, driving the scraper plate 10 to scrape the inner wall of the desulfurization tower shell 8 to remove accumulated impurities; the scraper plate 10 can be inspected or replaced through the inspection port 19 to ensure the normal operation of the equipment, and the packing layer 12 can use rectangular saddle packing.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An energy-saving flue gas desulfurization tower, comprising a mounting base plate (1), a desulfurization tower shell (8), a motor (3) and an air intake pipe (7), characterized in that: A desulfurization tower shell (8) is vertically fixedly installed on the right side of the upper end of the installation base plate (1), and a transmission shaft (11) is rotatably installed on the lower end of the desulfurization tower shell (8). The upper end of the transmission shaft (11) is rotatably installed in the lower end movable sleeve of the fixed rod. A plurality of groups of connecting rods (9) are symmetrically installed on the side of the transmission shaft (11), and a scraper plate (10) is fixedly installed on the end of the connecting rod (9) away from the transmission shaft (11). One side of the scraper plate (10) is arranged to fit the inner wall of the desulfurization tower shell (8). The lower end of the transmission shaft (11) passes through the installation base plate (1) and is connected to the output end of the motor (3) at the lower right end of the installation base plate (1). The left side of the desulfurization tower shell (8) is connected to the motor (3). An air inlet pipe (7) is arranged, a packing layer (12) is horizontally installed inside the desulfurization tower shell (8) above the air inlet pipe (7), a spray pipe (13) is horizontally installed inside the desulfurization tower shell (8) above the packing layer (12), a plurality of groups of atomizing nozzles (14) are arranged at intervals at the lower end of the spray pipe (13), two groups of fixing frames (15) are horizontally installed inside the desulfurization tower shell (8) above the spray pipe (13), a drying plate is installed inside the fixing frame (15) at the lower end, an activated carbon adsorption layer is installed inside the fixing frame (15) at the upper end, the left side of the fixing frame (15) is clamped in a clamping block, and an exhaust port (17) is opened at the upper end of the desulfurization tower shell (8).

2. An energy-saving flue gas desulfurization tower according to claim 1, characterized in that: A circulation pipe (21) is provided on the right side of the spray pipe (13), a circulation pump (22) is installed on the circulation pipe (21), the lower end of the circulation pipe (21) is connected to the lower end of the interior of the desulfurization tower shell (8), and a filtering device (23) is installed on the circulation pipe (21).

3. An energy-saving flue gas desulfurization tower according to claim 1, characterized in that: A water tank (4) is installed at the upper left end of the installation base plate (1), a water pipe (5) is arranged in communication with the interior of the water tank (4), the left side of the water pipe (5) is arranged in communication with the interior of the desulfurization tower shell (8), a water pump (6) is installed on the water pipe (5), and a liquid level observation window (18) is arranged at the front end of the water tank (4).

4. The energy-saving flue gas desulfurization tower according to claim 1, characterized in that: An inspection opening (19) is provided below the front end of the desulfurization tower shell (8) at a position corresponding to the scraper plate (10), a desulfurization observation window (20) is provided above the inspection opening (19) at the front end of the desulfurization tower shell (8), and a fine filter (16) is horizontally installed inside the upper end of the desulfurization tower shell (8).

5. The energy-saving flue gas desulfurization tower according to claim 1, characterized in that: The right side of the fixing frame (15) passes through the desulfurization tower shell (8), and a connecting plate (24) is installed on the right side of the fixing frame (15). A connecting stud (25) is installed inside the connecting plate (24). The left side of the connecting stud (25) is fixedly connected to the desulfurization tower shell (8), and a fastening nut (26) is provided on the side of the connecting stud (25) in threaded engagement. A sealing plate (27) is installed at the contact position between the fixing frame (15) and the desulfurization tower shell (8), and the sealing plate (27) is fitted with the desulfurization tower shell (8).

6. The energy-saving flue gas desulfurization tower according to claim 1, characterized in that: A sewage pipe is provided at the rear end of the desulfurization tower shell (8) at a position corresponding to the inspection port (19), and support columns (2) are symmetrically installed on the left and right sides of the lower end of the installation base plate (1).

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