Biological denitration device

Abstract

The utility model relates to the technical field of biomass denitration, and discloses a biological denitration device, which comprises a treatment box, a smoke inlet pipe and a filter cartridge, the upper surface of the treatment box is communicated with a smoke outlet pipe, the side surface of the treatment box is fixedly provided with a water suction pump, the water inlet end of the water suction pump is communicated with the bottom of the treatment box, and the water outlet end of the water suction pump is communicated with the bottom of the treatment box. A water outlet end of the water suction pump is communicated with a water outlet pipe, one end of the water outlet pipe extends into the treatment box and is provided with a plurality of atomizing nozzles, two side walls of the interior of the treatment box are fixedly connected with a group of sliding rails, a sliding frame is slidably mounted between the two groups of sliding rails, and denitration layers are arranged in the two sliding frames. According to the device, flue gas can be subjected to multiple times of denitration treatment, so that the discharged flue gas is safer and harmless, meanwhile, the filter screen and the denitration layer are convenient to mount and dismount, convenient to clean and replace, and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass denitrification, in particular to a biological denitrification device. Background Art

[0002] Biomass energy, as the most stable and easily utilized renewable energy, has become an important part of energy utilization. Biomass materials can be used to produce biomass gas through high-temperature cracking technology using a gas generator. However, some waste gas will be generated in the process of preparing biomass gas, so the waste gas needs to be treated. The flue gas generated during the combustion of biomass still contains a large amount of nitrogen oxide particles, which are directly discharged into the atmosphere for a long time, causing pollution to the environment. Therefore, people need to denitrify the waste gas generated by the biomass furnace during use to remove the nitrogen oxide particles in the combustion flue gas.

[0003] A biomass waste gas denitrification device with a search announcement number of CN 219231952 U includes a treatment tank, four feet are fixed on the lower surface of the treatment tank, an exhaust pipe is connected to the right side of the treatment tank, a connecting plate is fixed to the right side of the treatment tank, a spray mechanism is provided on the inner top wall of the treatment tank, and a filter mechanism is provided on the right side of the treatment tank. The biomass waste gas denitrification device is provided with a spray mechanism, and through the mutual cooperation between the various structures in the spray mechanism, a rotating motor, a driving gear, a driven gear, a rotating tube, an atomizing tube, an atomizing nozzle, a liquid storage tank, an infusion pump, a liquid outlet pipe and a heating tube are provided to achieve uniform spraying of the biomass waste gas in the treatment tank, so that the denitrification liquid is fully in contact with the biomass waste gas, and the problem of slow denitrification rate of the biomass waste gas and the need to wait for a long time, thereby reducing the treatment efficiency of the biomass waste gas, is solved. However, the above device still has some shortcomings during use. It only denitrates by spraying denitrification liquid on the biomass waste gas in the treatment tank. The denitrification method is relatively simple and the denitrification effect is poor. It is not possible to denitrify the flue gas in multiple stages, which is inconvenient to use. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a biological denitrification device, which solves the problem that denitrification is only carried out by spraying denitrification liquid on the biomass waste gas in the treatment tank for reaction, the denitrification method is relatively single, the denitrification effect is poor, the flue gas cannot be denitrified in multiple stages, and it is inconvenient to use.

[0005] The utility model provides the following technical solutions: a biological denitrification device, comprising a treatment box, a smoke inlet pipe, and a filter cartridge, the upper surface of the treatment box is connected with a smoke outlet pipe, a water pump is fixedly installed on the side of the treatment box, the water inlet end of the water pump is connected with the bottom of the treatment box, the water outlet end of the water pump is connected with a water outlet pipe, one end of the water outlet pipe extends to the interior of the treatment box and is provided with a plurality of atomizing nozzles, both side walls of the interior of the treatment box are fixedly connected with a group of slide rails, a slide frame is slidably installed between the two groups of the slide rails, a denitrification layer is provided inside the two slide frames, a denitrification liquid is put into the bottom of the treatment box, and electromagnetic valves are provided on the surfaces of the smoke inlet pipe and the smoke outlet pipe.

[0006] Preferred technical solution 1: The inner bottom wall of the processing box is rotatably connected to a rotating rod, and a plurality of stirring rods are fixedly connected to the surface of the rotating rod. The lower surface of the processing box is fixedly connected to a motor, and the output end of the motor extends to the interior of the processing box and is fixedly connected to the bottom end of the rotating rod.

[0007] This solution can enable the motor to drive the rotating rod and the stirring rod to rotate, so that the reaction between the flue gas and the denitrification liquid is faster and more complete.

[0008] Preferred technical solution two: one end of the smoke inlet pipe is fixedly connected to a mounting head, one side of the processing box is fixedly connected to a mounting tube, the surfaces of the mounting tube and the mounting head are both provided with external threads, the inner walls at both ends of the filter cartridge are both provided with internal threads, the internal threads match the external threads, and a filter screen is fixedly provided in the middle position inside the filter cartridge.

[0009] This solution can filter dust and impurities in the flue gas through the filter net to avoid affecting the subsequent denitrification effect. At the same time, the filter cartridge can also be quickly installed and disassembled, making it easy to clean and replace the filter cartridge.

[0010] Preferred technical solution three: a movable door is provided on the surface of the processing box, a handle is fixedly connected to the movable door, and a transparent observation window is provided on the movable door.

[0011] This solution can facilitate observation of the internal conditions of the treatment box and replacement of the internal denitrification layer.

[0012] Preferred technical solution four: A controller is fixedly installed on the surface of the processing box, and the motor, the electromagnetic valve and the water pump are all controlled by the controller.

[0013] This solution can facilitate users to control various components through the controller, making it easy to use.

[0014] Preferred technical solution five: The four corners of the lower surface of the processing box are fixedly connected with support legs, and the bottoms of the four support legs are fixedly connected with anti-slip pads.

[0015] This solution can effectively maintain the stability of the device.

[0016] Compared with the prior art, the utility model provides a biological denitrification device with the following beneficial effects: when in use, the flue gas passes through the smoke inlet pipe and flows into the interior of the filter cartridge, and some dust and impurities in the flue gas are filtered through the filter screen to avoid affecting the subsequent denitrification effect, and at the same time, the filter cartridge can be quickly installed and disassembled through the provided internal and external threads, which is convenient for replacement and cleaning, and the flue gas after the initial filtration flows into the denitrification liquid at the bottom of the inner part of the treatment box, and the flue gas reacts with the denitrification liquid to carry out denitrification, and at the same time, the rotation of the motor drives the rotating rod and the stirring rod to rotate, and the denitrification liquid and the flue gas are stirred so that they can It can react fully and quickly, and the denitrification liquid is extracted by a water pump and then sprayed by an atomizing nozzle to make the denitrification effect better and more sufficient. The flue gas that has undergone secondary denitrification passes through two denitrification layers for denitrification treatment again, and the flue gas that has undergone multiple denitrification treatments is discharged along the smoke outlet pipe. When the denitrification layer needs to be replaced, the movable door is opened and the denitrification layer and the sliding frame can be pulled out for cleaning and replacement, which is convenient and quick. The device can perform multiple denitrification treatments on the flue gas, making the discharged flue gas safer and harmless, and at the same time it is convenient to install and disassemble the filter and the denitrification layer, and it is convenient to clean and replace them, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a front structural sectional view of the utility model;

[0019] Figure 3 For the utility model Figure 2 A magnified view of the structure in the middle.

[0020] In the figure: 1. treatment box; 2. smoke inlet pipe; 3. smoke outlet pipe; 4. water pump; 5. water outlet pipe; 6. atomizing nozzle; 7. slide rail; 8. slide frame; 9. denitrification layer; 10. rotating rod; 11. stirring rod; 12. motor; 13. mounting head; 14. filter cartridge; 15. mounting pipe; 16. external thread; 17. internal thread; 18. filter screen; 19. movable door; 20. controller; 21. supporting leg. DETAILED DESCRIPTION

[0021] See also Figure 1-3A biological denitrification device comprises a treatment box 1, a smoke inlet pipe 2, and a filter cartridge 14. The upper surface of the treatment box 1 is connected with a smoke outlet pipe 3. A water pump 4 is fixedly installed on the side of the treatment box 1. The water inlet end of the water pump 4 is connected to the bottom of the treatment box 1. The water outlet end of the water pump 4 is connected with a water outlet pipe 5. One end of the water outlet pipe 5 extends to the interior of the treatment box 1 and is provided with a plurality of atomizing nozzles 6. A set of slide rails 7 are fixedly connected to both side walls of the interior of the treatment box 1. A slide frame 8 is slidably installed between the two sets of slide rails 7. Denitrification layers 9 are provided inside the two slide frames 8. Denitrification liquid is placed at the bottom of the treatment box 1. Electromagnetic valves are provided on the surfaces of the smoke inlet pipe 2 and the smoke outlet pipe 3.

[0022] Embodiment 2: The difference between this embodiment and embodiment 1 is that, the inner bottom wall of the treatment box 1 is rotatably connected to a rotating rod 10, a plurality of stirring rods 11 are fixedly connected to the surface of the rotating rod 10, a motor 12 is fixedly connected to the lower surface of the treatment box 1, and the output end of the motor 12 extends to the interior of the treatment box 1 and is fixedly connected to the bottom end of the rotating rod 10, so that the motor 12 drives the rotating rod 10 and the stirring rod 11 to rotate, so that the reaction between the flue gas and the denitrification liquid is faster and more complete.

[0023] Embodiment 3: The difference between this embodiment and embodiment 1 lies in that, one end of the smoke inlet pipe 2 is fixedly connected with a mounting head 13, one side of the treatment box 1 is fixedly connected with a mounting pipe 15, the surfaces of the mounting pipe 15 and the mounting head 13 are both provided with external threads 16, the inner walls at both ends of the filter cartridge 14 are both provided with internal threads 17, the internal threads 17 match the external threads 16, a filter screen 18 is fixedly provided in the middle position inside the filter cartridge 14, dust and impurities in the flue gas are filtered by the filter screen 18 to avoid affecting the subsequent denitrification effect, and the filter cartridge 14 can also be quickly installed and disassembled, so as to facilitate the cleaning and replacement of the filter cartridge 14.

[0024] Embodiment 4: The difference between this embodiment and embodiment 1 is that a movable door 19 is provided on the surface of the treatment box 1, a handle is fixedly connected to the movable door 19, and a transparent observation window is provided on the movable door 19, which facilitates observation of the internal situation of the treatment box 1 and replacement of the internal denitrification layer 9.

[0025] Embodiment 5: The difference between this embodiment and embodiment 1 is that a controller 20 is fixedly installed on the surface of the processing box 1, and the motor 12, the electromagnetic valve and the water pump 4 are all controlled by the controller 20, so that the user can control each component through the controller 20, which is convenient for use.

[0026] Embodiment 6: The difference between this embodiment and embodiment 1 is that, the four corners of the lower surface of the processing box 1 are fixedly connected with support legs 21, and the bottoms of the four support legs 21 are fixedly connected with anti-slip pads, which effectively maintain the stability of the device.

[0027] In summary, when the biological denitrification device is in use, the flue gas passes through the smoke inlet pipe 2 and flows into the interior of the filter cartridge 14, and some dust and impurities in the flue gas are filtered through the filter screen 18 to avoid affecting the subsequent denitrification effect. At the same time, the filter cartridge 14 can be quickly installed and disassembled through the provided internal thread 17 and external thread 16, which is convenient for replacement and cleaning. The flue gas after the initial filtration flows into the denitrification liquid at the bottom of the processing box 1, and the flue gas reacts with the denitrification liquid to perform denitrification. At the same time, the rotation of the motor 12 drives the rotating rod 10 and the stirring rod 11 to rotate, and the denitrification liquid and the flue gas are stirred so that they can be fully and quickly denitrified. Reaction, at the same time, the denitrification liquid is extracted by the water pump 4 and then sprayed by the atomizing nozzle 6 to make the denitrification effect better and more sufficient, the flue gas that has undergone secondary denitrification passes through the two denitrification layers 9 for denitrification treatment again, and the flue gas that has undergone multiple denitrification treatments is discharged along the smoke outlet pipe 3. When the denitrification layer needs to be replaced, the movable door 19 is opened and then the denitrification layer 9 and the sliding frame 8 can be drawn out for cleaning and replacement, which is convenient and quick. The device can perform multiple and multiple denitrification treatments on the flue gas, making the discharged flue gas safer and harmless, and at the same time, it is convenient to install and disassemble the filter 18 and the denitrification layer 9, so as to facilitate their cleaning and replacement and easy use.

Claims

1. A biological denitrification device, comprising a treatment box (1), a smoke inlet pipe (2), and a filter cartridge (14), characterized in that: The upper surface of the treatment box (1) is connected to a smoke outlet pipe (3), a water pump (4) is fixedly installed on the side of the treatment box (1), the water inlet end of the water pump (4) is connected to the bottom of the treatment box (1), the water outlet end of the water pump (4) is connected to a water outlet pipe (5), one end of the water outlet pipe (5) extends to the interior of the treatment box (1) and is provided with a plurality of atomizing nozzles (6), both side walls of the interior of the treatment box (1) are fixedly connected to a group of slide rails (7), a slide frame (8) is slidably installed between the two groups of the slide rails (7), and a denitration layer (9) is provided inside the two slide frames (8), a denitration liquid is placed at the bottom of the treatment box (1), and electromagnetic valves are provided on the surfaces of the smoke inlet pipe (2) and the smoke outlet pipe (3).

2. A biological denitrification device according to claim 1, characterized in that: The inner bottom wall of the processing box (1) is rotatably connected to a rotating rod (10), the surface of the rotating rod (10) is fixedly connected to a plurality of stirring rods (11), the lower surface of the processing box (1) is fixedly connected to a motor (12), the output end of the motor (12) extends into the interior of the processing box (1) and is fixedly connected to the bottom end of the rotating rod (10).

3. A biological denitrification device according to claim 1, characterized in that: One end of the smoke inlet pipe (2) is fixedly connected to a mounting head (13); one side of the treatment box (1) is fixedly connected to a mounting tube (15); surfaces of the mounting tube (15) and the mounting head (13) are both provided with external threads (16); inner walls at both ends of the filter cartridge (14) are both provided with internal threads (17); the internal threads (17) match the external threads (16); and a filter screen (18) is fixedly provided in the middle of the interior of the filter cartridge (14).

4. A biological denitrification device according to claim 1, characterized in that: A movable door (19) is provided on the surface of the processing box (1), a handle is fixedly connected to the movable door (19), and a transparent observation window is provided on the movable door (19).

5. A biological denitrification device according to claim 2, characterized in that: A controller (20) is fixedly mounted on the surface of the processing box (1), and the motor (12), the electromagnetic valve and the water pump (4) are all controlled by the controller (20).

6. A biological denitrification device according to claim 1, characterized in that: The four corners of the lower surface of the processing box (1) are all fixedly connected to support legs (21), and the bottoms of the four support legs (21) are all fixedly connected to anti-slip pads.

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