Novel ammonia mist absorption device

Abstract

The utility model discloses a novel ammonia mist absorption device which comprises an ammonia mist recoverer, a spraying pipe is fixedly arranged at the top in the ammonia mist recoverer, a filler plate fixedly arranged in the ammonia mist recoverer is arranged at the bottom of the spraying pipe, and an air spraying pipe is fixedly arranged at the bottom of the filler plate. The gas ejector pipe is fixedly communicated with a first ammonia metering box through a pipeline, the first ammonia metering box is fixedly communicated with a second ammonia metering box through a pipeline, the first ammonia metering box and the second ammonia metering box are consistent in structure, the second ammonia metering box is communicated with a circulating pump through a pipeline, and one side of the circulating pump is fixedly communicated with the bottom of an ammonia mist recoverer through a pipeline. And the other side of the circulating pump is fixedly communicated with a spraying pipe through a pipeline. The absorption capacity of water on ammonia gas can be fully utilized, ammonia gas is absorbed through water circulation, ammonia gas absorption is more thorough, emission is avoided in the whole process, the water absorbing ammonia gas can be reused, ammonia gas mist is wasted in the whole process, and air is isolated in the absorption process.

Description

Technical Field

[0001] The utility model relates to the technical field of ammonia mist absorption, in particular to a novel ammonia mist absorption device. Background Art

[0002] Large boilers, especially boilers in thermal power plants, need to add ammonia. During the preparation of ammonia water and during operation, ammonia volatilization is inevitable, which pollutes the environment and is not conducive to the health of personnel. It is also a waste of resources. For this, an ammonia mist absorber is needed. For example, Chinese patent No. CN218339390U discloses an ammonia mist absorber that is easy to maintain, including an ammonia mist absorber body, a base, a cover plate, a bend, a water inlet pipe, an air inlet pipe, a drain pipe and an exhaust pipe. The base is fixed with the bottom of the ammonia mist absorber body, and the drain pipe is fixedly arranged at On the left side of the base, the air inlet pipe is fixedly arranged at the lower left end of the ammonia mist absorber body, the water inlet pipe is fixedly arranged at the upper right end of the ammonia mist absorber body, the cover plate is fixedly arranged at the top of the ammonia mist absorber body, the exhaust pipe is fixedly arranged in the middle of the top of the cover plate, the elbow is fixedly arranged at the upper end of the exhaust pipe, and the outer end of the cover plate is distributed with adjusting bolts through threaded connection, which is convenient for directly purifying the gas and discharging it to achieve the purpose of preventing environmental pollution, and is convenient for quick disassembly and assembly for maintenance. It is manually operated to tighten and lock, with high sealing performance, safety and reliability.

[0003] The ammonia mist absorption device has ammonia entering from the bottom, water spraying from the top, and drainage from the bottom. Although the structure is relatively simple, the ammonia absorption rate is low and the water consumption is large. Therefore, we propose a new ammonia mist absorption device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a novel ammonia mist absorption device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel ammonia mist absorption device, comprising an ammonia mist recovery device, a spray pipe is fixedly installed on the top of the ammonia mist recovery device, a packing plate fixedly installed in the ammonia mist recovery device is provided at the bottom of the spray pipe, a jet pipe is fixedly provided at the bottom of the packing plate, the jet pipe is fixedly connected to an ammonia metering box one through a pipeline, the ammonia metering box one is fixedly connected to an ammonia metering box two through a pipeline, the ammonia metering box one and the ammonia metering box two have the same structure, the ammonia metering box two is connected to a circulation pump through a pipeline, one side of the circulation pump is fixedly connected to the bottom of the ammonia mist recovery device through a pipeline, and the other side of the circulation pump is fixedly connected to the spray pipe through a pipeline.

[0006] Preferably, the ammonia mist recovery device, ammonia metering tank one and ammonia metering tank two are connected to a recovery tank through pipelines respectively.

[0007] Preferably, the ammonia mist recovery device, the first ammonia metering tank and the second ammonia metering tank are all provided with water supply pipelines.

[0008] Preferably, the ammonia metering box comprises a shell, a motor, a delivery pipe, a ring pipe, a nozzle, a stirring shaft, an outer stirring rod, a rotating drum, an inner stirring rod, and a transmission part. The motor is fixedly installed on the top of the shell, the output shaft of the motor is fixedly connected to the active bevel gear and the active bevel gear is meshingly connected to the transmission part, the transmission part is respectively fixedly connected to the stirring shaft and the rotating drum, the rotating drum is coaxially rotatably sleeved with the stirring shaft, the rotating drum is rotatably sleeved with the shell, a plurality of inner stirring rods are fixedly connected to one circumferential side of the rotating drum, the inner stirring rods are rotatably arranged in the shell, an outer stirring rod is arranged on the outside of the inner stirring rod, and one end of the outer stirring rod is fixedly connected to the outer wall of the stirring shaft.

[0009] Preferably, a delivery pipe is fixedly installed on one side of the shell, one end of the delivery pipe is fixedly connected to a ring pipe, and a plurality of nozzles are fixedly installed on the ring pipe.

[0010] Preferably, the transmission part comprises an upper driven bevel gear and a lower driven bevel gear, the upper driven bevel gear is fixedly sleeved on the stirring shaft, the lower driven bevel gear is fixedly sleeved on the rotating cylinder, and the upper driven bevel gear and the lower driven bevel gear are respectively meshed and connected with the driving bevel gear.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the utility model can make full use of the absorption capacity of water for ammonia, the water circulates to absorb ammonia, the ammonia absorption is more thorough, the whole process is emission-free, the water that absorbs ammonia can be reused, the whole ammonia mist is wasted, and the absorption process is isolated from the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a structural schematic diagram of an ammonia metering box in the utility model;

[0014] Figure 3 This is a schematic structural diagram of the ammonia metering box in the utility model from another perspective.

[0015] In the figure: ammonia mist recoverer 1, spray pipe 2, filler plate 3, circulation pump 4, recovery tank 5, ammonia metering box 1 6, shell 61, motor 62, delivery pipe 63, ring pipe 64, nozzle 65, stirring shaft 66, outer stirring rod 67, rotating cylinder 68, inner stirring rod 69, transmission part 60, upper driven bevel gear 601, lower driven bevel gear 602, ammonia metering box 2 7, injection pipe 8. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example 1

[0018] Reference Figure 1 , 2 , is the first embodiment of the utility model, which provides a novel ammonia mist absorption device, including an ammonia mist recoverer 1, a spray pipe 2 is fixedly installed on the top of the ammonia mist recoverer 1, a packing plate 3 fixedly installed in the ammonia mist recoverer 1 is provided at the bottom of the spray pipe 2, a jet pipe 8 is fixedly provided at the bottom of the packing plate 3, the jet pipe 8 is fixedly connected to an ammonia metering box 1 6 through a pipeline, the ammonia metering box 1 6 is fixedly connected to an ammonia metering box 2 7 through a pipeline, the ammonia metering box 1 6 and the ammonia metering box 2 7 have the same structure, the ammonia metering box 2 7 is connected to a circulation pump 4 through a pipeline, one side of the circulation pump 4 is fixedly connected to the bottom of the ammonia mist recoverer 1 through a pipeline, and the other side of the circulation pump 4 is fixedly connected to the spray pipe 2 through a pipeline.

[0019] Reference Figure 1 As shown, ammonia gas volatilized during the preparation and operation of ammonia water in ammonia metering box 1 6 and ammonia metering box 2 7 enters the ammonia mist recovery device 1 through a pipe with a valve, and is absorbed by the spray water sprayed from the spray pipe 2 in the ammonia mist recovery device 1. After the spray water enters the bottom of the ammonia mist recovery device 1, it is extracted by the circulation pump 4 and refluxed to the spray pipe 2 for circulation spraying, so as to absorb ammonia gas to the greatest extent and give full play to the super ammonia absorption capacity of water. The water that absorbs ammonia gas becomes ammonia water, which can be transported to the ammonia metering box 2 7 for recycling by opening the recovery valve. When the water volume in the ammonia mist recovery device 1 is insufficient, the water replenishment pipeline is opened to perform water replenishment operation.

[0020] Example 2

[0021] Reference Figure 1-3 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. Specifically, the ammonia mist recoverer 1, the ammonia metering box 1 6 and the ammonia metering box 2 7 are respectively connected to the recovery tank 5 through pipelines, and the prepared unqualified ammonia water is discharged into the recovery tank 5 through a pipeline with a valve for collection.

[0022] Specifically, the ammonia mist recovery device 1, the ammonia metering box 1 6 and the ammonia metering box 2 7 are all provided with water replenishment pipelines. When the water volume in the ammonia mist recovery device 1, the ammonia metering box 1 6 and the ammonia metering box 2 7 is insufficient, the water replenishment pipelines are opened to perform water replenishment operations.

[0023] Specifically, the ammonia metering box 6 includes a shell 61, a motor 62, a conveying pipe 63, a ring pipe 64, a nozzle 65, a stirring shaft 66, an outer stirring rod 67, a rotating cylinder 68, an inner stirring rod 69, and a transmission part 60. The motor 62 is fixedly installed on the top of the shell 61, and the output shaft of the motor 62 is fixedly connected to the active bevel gear and the active bevel gear is meshed and connected to the transmission part 60. The transmission part 60 is respectively fixedly connected to the stirring shaft 66 and the rotating cylinder 68. The rotating cylinder 68 is coaxially rotatable and sleeved with the stirring shaft 66. The rotating cylinder 68 is rotatably sleeved with the shell 61. A plurality of inner stirring rods 69 are fixedly connected to the circumferential side of the rotating cylinder 68. The inner stirring rods 69 are rotatably arranged in the shell 61. An outer stirring rod 67 is arranged on the outer side of the inner stirring rod 69, and one end of the outer stirring rod 67 is fixedly connected to the outer wall of the stirring shaft 66.

[0024] Furthermore, a delivery pipe 63 is fixedly installed on one side of the shell 61 , one end of the delivery pipe 63 is fixedly connected to a ring pipe 64 , and a plurality of nozzles 65 are fixedly installed on the ring pipe 64 .

[0025] Furthermore, the transmission part 60 includes an upper driven bevel gear 601 and a lower driven bevel gear 602. The upper driven bevel gear 601 is fixedly sleeved on the stirring shaft 66, and the lower driven bevel gear 602 is fixedly sleeved on the rotating cylinder 68. The upper driven bevel gear 601 and the lower driven bevel gear 602 are respectively meshed and connected with the driving bevel gear.

[0026] During the ammonia solution configuration and operation process in ammonia metering box 1 6 and ammonia metering box 2 7, the motor 62 is powered on and works, the motor 62 drives the fixed active bevel gear to rotate, the active bevel gear drives the meshing transmission part 60 to rotate, the upper driven bevel gear 601 of the transmission part 60 rotates, the upper driven bevel gear 601 drives the fixed stirring shaft 66 to rotate, the stirring shaft 66 drives the fixed outer stirring rod 67 to rotate in a circle, the outer stirring rod 67 is evenly arranged in a circle and has an L-shaped structure, thereby stirring the liquid in the shell 61, thereby improving the configuration and absorption effect, and at the same time, the lower driven bevel gear 602 drives the fixed rotating cylinder 68 to rotate, the rotating cylinder 68 drives the fixed inner stirring rod 69 to rotate in a circle, the inner stirring rod 69 is evenly arranged in a circle and has an inverted L-shaped structure, the inner stirring rod 69 stirs the liquid near the center of the shell 61, thereby further improving the configuration and operation effect.

[0027] Example 3

[0028] Reference Figure 1-3 , which is the third embodiment of the utility model, based on the above two embodiments, when working, refer to Figure 1As shown, ammonia gas volatilized during the preparation and operation of ammonia water in ammonia metering box 1 6 and ammonia metering box 2 7 enters the ammonia mist recovery device 1 through a pipe with a valve, and is absorbed by the spray water sprayed from the spray pipe 2 in the ammonia mist recovery device 1. After the spray water enters the bottom of the ammonia mist recovery device 1, it is extracted by the circulation pump 4 and then refluxed to the spray pipe 2 for circulation spraying, so as to absorb ammonia gas to the maximum extent and give full play to the super ammonia absorption capacity of water. The water absorbed by ammonia gas becomes ammonia water, which can be transported to the ammonia metering box 2 7 for recycling by opening the recovery valve. When the amount of water in the ammonia mist recovery device 1 is insufficient, the water replenishment pipeline is opened for water replenishment operation. During the preparation and operation of ammonia water in ammonia metering box 1 6 and ammonia metering box 2 7, the motor 62 is powered on, and the motor 62 drives The dynamically fixed active bevel gear rotates, and the active bevel gear drives the meshing transmission part 60 to rotate, and the upper driven bevel gear 601 of the transmission part 60 rotates, and the upper driven bevel gear 601 drives the fixed stirring shaft 66 to rotate, and the stirring shaft 66 drives the fixed outer stirring rod 67 to rotate in a circle. The outer stirring rod 67 is evenly distributed around the circumference and has an L-shaped structure, thereby stirring the liquid in the shell 61, thereby improving the configuration absorption effect. At the same time, the lower driven bevel gear 602 drives the fixed rotating cylinder 68 to rotate, and the rotating cylinder 68 drives the fixed inner stirring rod 69 to rotate in a circle. The inner stirring rod 69 is evenly distributed around the circumference and has an inverted L-shaped structure. The inner stirring rod 69 stirs the liquid near the center of the shell 61, thereby further improving the configuration operation effect.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel ammonia mist absorption device, comprising an ammonia mist recovery device (1), characterized in that: A spray pipe (2) is fixedly installed at the top of the ammonia mist recovery device (1), a packing plate (3) fixedly installed in the ammonia mist recovery device (1) is provided at the bottom of the spray pipe (2), a jet pipe (8) is fixedly installed at the bottom of the packing plate (3), the jet pipe (8) is fixedly connected to an ammonia metering box (6) through a pipeline, the ammonia metering box (6) is fixedly connected to an ammonia metering box (7) through a pipeline, the ammonia metering box (6) and the ammonia metering box (7) have the same structure, the ammonia metering box (7) is connected to a circulation pump (4) through a pipeline, one side of the circulation pump (4) is fixedly connected to the bottom of the ammonia mist recovery device (1) through a pipeline, and the other side of the circulation pump (4) is fixedly connected to the spray pipe (2) through a pipeline.

2. A novel ammonia mist absorption device according to claim 1, characterized in that: The ammonia mist recovery device (1), the first ammonia metering box (6) and the second ammonia metering box (7) are all connected to a recovery tank (5) through pipelines.

3. A novel ammonia mist absorption device according to claim 1, characterized in that: The ammonia mist recovery device (1), the first ammonia metering box (6) and the second ammonia metering box (7) are all provided with water supply pipelines.

4. A novel ammonia mist absorption device according to claim 1, characterized in that: The ammonia metering box (6) comprises a shell (61), a motor (62), a delivery pipe (63), a ring pipe (64), a nozzle (65), a stirring shaft (66), an outer stirring rod (67), a rotating cylinder (68), an inner stirring rod (69), and a transmission part (60). The motor (62) is fixedly mounted on the top of the shell (61). The output shaft of the motor (62) is fixedly connected to the driving bevel gear and the driving bevel gear is meshedly connected to the transmission part (60). The transmission part (60) is respectively fixed A stirring shaft (66) and a rotating cylinder (68) are connected. The rotating cylinder (68) is coaxially rotatably sleeved with the stirring shaft (66). The rotating cylinder (68) is rotatably sleeved with the shell (61). A plurality of inner stirring rods (69) are fixedly connected to one circumferential side of the rotating cylinder (68). The inner stirring rods (69) are rotatably arranged in the shell (61). An outer stirring rod (67) is arranged outside the inner stirring rod (69). One end of the outer stirring rod (67) is fixedly connected to the outer wall of the stirring shaft (66).

5. A novel ammonia mist absorption device according to claim 4, characterized in that: A delivery pipe (63) is fixedly installed on one side of the housing (61), one end of the delivery pipe (63) is fixedly connected to a ring pipe (64), and a plurality of nozzles (65) are fixedly installed on the ring pipe (64).

6. A novel ammonia mist absorption device according to claim 4, characterized in that: The transmission part (60) comprises an upper driven bevel gear (601) and a lower driven bevel gear (602); the upper driven bevel gear (601) is fixedly sleeved on the stirring shaft (66); the lower driven bevel gear (602) is fixedly sleeved on the rotating cylinder (68); the upper driven bevel gear (601) and the lower driven bevel gear (602) are respectively meshed and connected with the driving bevel gear.

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