Fluidized bed type biogas biological desulfurization device

Abstract

The utility model discloses a fluidized bed type marsh gas biological desulfurization device belongs to marsh gas biological desulfurization technical field, include: fluidized bed type marsh gas biological desulfurization is with cleaning jar, built -in feed pump, and the inside of cleaning jar is provided with the padding, and the upper portion of padding is provided with the shower nozzle, fluidized bed type marsh gas biological desulfurization is with the processing jar, built -in guide pump, and the lateral surface of processing jar is inlayed and is fixedly connected with the connecting pipe, and the lateral surface of connecting pipe is butt joint with two and processing jar is welded's support, and the outer circumferential side of connecting pipe is rotatably connected with the rotating block of inside hollow through connecting bearing, and the lateral surface of rotating block is communicated with two and the rotating plate of inside hollow, and the top surface of rotating plate is installed with a plurality of shower nozzles, and the top surface of rotating block is connected with the rotating rod, and the output end of connecting pipe is communicated with the output end of feed pump away from rotating block, and the output end of guide pump is communicated with the duct, and the outer circumferential side of duct is communicated with the shower nozzle, and the device can realize the sufficient contact of microorganism and hydrogen sulfide, and improve the desulfurization efficiency of device to marsh gas.

Description

Technical Field

[0001] This utility model belongs to the field of biogas biological desulfurization technology, and in particular a fluidized bed biogas biological desulfurization device. Background Technology

[0002] Biogas biological desulfurization is a biological metabolic technology that uses desulfurizing microorganisms to catalyze hydrogen sulfide in biogas, converting it into elemental sulfur. It requires a biological desulfurization device. In this process, the biogas is washed with a scrubbing liquid, which mixes with the hydrogen sulfide in the biogas. However, existing biological desulfurization devices directly input the mixture of hydrogen sulfide and scrubbing liquid into the treatment tank containing the microorganisms that treat hydrogen sulfide. This results in insufficient contact between the microorganisms and hydrogen sulfide, reducing the device's desulfurization efficiency.

[0003] In related technologies, a search revealed a Chinese patent document (authorization announcement number CN218221845U) for a fluidized bed biogas biological desulfurization device, which includes a tank and a diffusion component. The upper part of the tank is provided with a packing fluidization zone, and the bottom side of the packing fluidization zone is a granular biofilm attached packing layer. The diffusion component includes a motor, a drive shaft, and fan blades. The motor is detachably connected to the outer wall of the tank by screws. The power output end of the motor is connected to the power input end of the drive shaft, and the fan blades are fixed to the outer wall of the drive shaft. In this fluidized bed biogas biological desulfurization device, when the total gas flow rate is increased and exceeds the critical flow rate of the granular packing, the granular biofilm adhering to the packing layer inside the biogas biological desulfurization device can achieve fluidized operation. By starting the motor switch, the motor is connected to the power supply and outputs power to the drive shaft. The drive shaft drives the fan blades to rotate, which accelerates the mixing rate of biogas, oxygen, air and other gases inside the desulfurization tank. However, this device does not consider the phenomenon of insufficient contact between microorganisms and hydrogen sulfide, which reduces the desulfurization efficiency of the device for biogas. Utility Model Content

[0004] The purpose of this invention is to provide a fluidized bed biogas biological desulfurization device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fluidized bed biogas biological desulfurization device, comprising:

[0006] A cleaning tank for fluidized bed biogas biological desulfurization has a built-in feed pump, and the inside of the cleaning tank is filled with packing material, with spray heads installed on the top of the packing material.

[0007] The fluidized bed biogas biological desulfurization treatment tank has a built-in feed pump. A connecting pipe is embedded and fixedly connected to the side of the treatment tank. Two brackets welded to the treatment tank are abutted on the side of the connecting pipe. A hollow rotating block is rotatably connected to the outer periphery of the connecting pipe through a connecting bearing. Two hollow rotating plates are connected to the side of the rotating block. Several nozzles are installed on the top surface of the rotating plates. A rotating rod is connected to the top surface of the rotating block. The end of the connecting pipe away from the rotating block is connected to the output end of the feed pump. The output end of the feed pump is connected to a conduit. The outer periphery of the conduit is connected to the spray head.

[0008] Preferably, the top and side surfaces of the cleaning tank are connected to an output pipe and an input pipe, respectively, with the input pipe located below the packing material.

[0009] Preferably, the conduit is located at the upper part of the connecting pipe, and the end face of the rotating rod is connected to the output shaft of the rotary motor via a coupling.

[0010] Preferably, the fixed end of the rotary motor is connected to the treatment tank by bolts, and an air inlet pipe is embedded and fixedly connected to the top surface of the treatment tank.

[0011] Preferably, the outer periphery of the intake pipe is connected to a connecting ring, and the side of the connecting ring is interference-fitted with two positioning bearings.

[0012] Preferably, the outer ring of the positioning bearing is connected to the inner wall of the positioning housing, and the lower positioning housing is connected to an internally hollow fixing block.

[0013] Preferably, the side of the fixing block is connected to two hollow fixing plates, and several nozzles are installed on the bottom surface of the fixing plates.

[0014] Preferably, the bottom surface of the fixed block is embedded and fixedly connected to the rotating rod, the top surface of the upper positioning shell is embedded and fixedly connected to the rotating rod, and the side of the processing tank is respectively connected to the discharge pipe and the exhaust pipe.

[0015] Compared with the prior art, the technical effects and advantages of this utility model are as follows:

[0016] This fluidized bed biogas biological desulfurization device inputs biogas into the cleaning tank through an input pipe, causing the washing liquid in the treatment tank to remove hydrogen sulfide. The cleaned gas is discharged through an output pipe, and the washing liquid carrying hydrogen sulfide in the cleaning tank is input into the treatment tank through a connecting pipe. A rotary motor provides power, and with the connection provided by the rotating rod, two rotating plates rotate around the rotating block as the axis. During the rotation of several nozzles, the washing liquid carrying hydrogen sulfide is sprayed into the input treatment tank, so that the microorganisms and hydrogen sulfide are in full contact, improving the desulfurization efficiency of the device for biogas.

[0017] This fluidized bed biogas biological desulfurization device, with its air inlet pipe, connecting ring, positioning shell, fixed block, and fixed plate connected, allows air to be introduced into the treatment tank through several nozzles to assist the desulfurization treatment of microorganisms. With the connection of the rotating rod, the two fixed plates can rotate around the fixed block as the axis during the transmission process, realizing the circumferential movement of several nozzles, increasing the range of air input into the treatment tank, and improving the desulfurization efficiency of the device for biogas. Thanks to the design of the connecting ring and two positioning bearings, the position of the air inlet pipe can be fixed without affecting the circumferential movement of several nozzles, improving the structural stability of the device's components. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the connecting pipe of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the rotating block of this utility model;

[0022] Figure 4 This is a schematic diagram of the air intake pipe of this utility model;

[0023] Figure 5 This is a schematic diagram of the positioning shell of this utility model.

[0024] Explanation of reference numerals in the attached figures:

[0025] In the diagram: 1. Cleaning tank; 2. Processing tank; 3. Connecting pipe; 4. Rotating block; 5. Rotating plate; 6. Nozzle; 7. Support; 8. Rotating rod; 9. Conduit; 10. Input pipe; 11. Output pipe; 12. Discharge pipe; 13. Rotary motor; 14. Air inlet pipe; 15. Connecting ring; 16. Positioning bearing; 17. Positioning housing; 18. Fixing block; 19. Fixing plate; 20. Nozzle. Detailed Implementation

[0026] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0027] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0028] The connection method can be any existing method, such as bonding, welding, or bolting, depending on the actual needs.

[0029] Please see Figures 1 to 5 A fluidized bed biogas biological desulfurization device, in this embodiment including:

[0030] The fluidized bed biogas biological desulfurization cleaning tank 1 has a built-in feed pump, which is located at the bottom of the inner cavity of the cleaning tank 1. The cleaning tank 1 is filled with packing material, and a spray head is installed on the top of the packing material.

[0031] The fluidized bed biogas biological desulfurization treatment tank 2 has a built-in feed pump, which is located at the top of the inner cavity of the treatment tank 2. The extension position of the feed pump's input end can be determined according to actual usage requirements. The treatment tank 2 also stores a washing liquid for cleaning hydrogen sulfide from the biogas, containing microorganisms that treat hydrogen sulfide. The selection of microorganisms can be determined according to actual usage requirements. A connecting pipe 3 is embedded and fixedly connected to the side of the treatment tank 2. Two brackets 7 welded to the treatment tank 2 are abutted to the side of the connecting pipe 3. The outer periphery of the connecting pipe 3 is rotatably connected to an internal [structure / component] via a connecting bearing. A hollow rotating block 4 has two internally hollow rotating plates 5 connected to its side. Several nozzles 6 are installed on the top surface of the rotating plates 5. A rotating rod 8 is connected to the top surface of the rotating block 4. The end of the connecting pipe 3 away from the rotating block 4 is connected to the output end of the feed pump, which allows the washing liquid carrying hydrogen sulfide in the washing tank 1 to be input into the treatment tank 2. The output end of the feed pump is connected to a conduit 9, and the outer periphery of the conduit 9 is connected to the spray head. The feed pump provides power so that the washing liquid in the treatment tank 2 flows into the spray head to clean the input biogas and remove the hydrogen sulfide from the biogas.

[0032] The top and side surfaces of the cleaning tank 1 are respectively connected to an output pipe 11 and an input pipe 10. The input pipe 10 is located below the packing material, and the guide pipe 9 is located above the connecting pipe 3. The end face of the rotating rod 8 is connected to the output shaft of the rotary motor 13 via a coupling. The fixed end of the rotary motor 13 is connected to the treatment tank 2 via bolts. An air inlet pipe 14 is embedded and fixedly connected to the top surface of the treatment tank 2. A connecting ring 15 is connected to the outer periphery of the air inlet pipe 14. Two positioning bearings 16 are interference-fitted on the side of the connecting ring 15. The outer ring of the positioning bearings 16 is connected to the inner wall of the positioning housing 17. The lower positioning housing 17 is connected to a hollow solid... The fixed block 18 has two hollow fixing plates 19 connected to its side. Several nozzles 20 are installed on the bottom surface of the fixing plates 19. The bottom surface of the fixed block 18 is embedded and fixedly connected to the rotating rod 8. The top surface of the upper positioning housing 17 is embedded and fixedly connected to the rotating rod 8. The side of the treatment tank 2 is connected to the discharge pipe 12 and the exhaust pipe respectively. Both the connecting bearing and the positioning bearing 16 have sealing functions. The side wall of the treatment tank 2 is equipped with a feeding port for inputting washing liquid. Air can be input into the air inlet pipe 14 through an external air supply device. The external air supply device is not the innovative protection content of this utility model and will not be described in detail.

[0033] To perform desulfurization, biogas is introduced into the cleaning tank 1 through the input pipe 10. Thanks to the design of the feed pump, conduit 9, and spray head, the biogas in the cleaning tank 1 can be cleaned, so that the hydrogen sulfide in the biogas mixes with the detergent. The cleaned biogas flows out through the output pipe 11. The feed pump provides power, and with the connection of the connecting pipe 3, the rotating block 4, and the two rotating plates 5, several spray heads 6 are used to introduce detergent carrying hydrogen sulfide into the treatment tank 2. At the same time, the rotating motor 13 provides power to rotate the rotating rod 8. During the transmission process, several spray heads 6 move in a circular motion, so that the microorganisms in the treatment tank 2 can fully contact the hydrogen sulfide, thereby improving the desulfurization efficiency of the device for biogas.

[0034] To input air, air can be introduced into the treatment tank 2 through several nozzles 20 via the connection of the air inlet pipe 14, connecting ring 15, positioning housing 17, fixing block 18, and fixing plate 19, assisting microorganisms in treating hydrogen sulfide. When the rotating rod 8 rotates, the connection between the upper positioning housing 17 and fixing block 18 enables the circumferential movement of several nozzles 20, increasing the range of air input and improving the desulfurization efficiency of the device for biogas. Thanks to the design of the connecting ring 15, two positioning housings 17, and two positioning bearings 16, the relative rotation of the connecting ring 15 and the two positioning housings 17 can be achieved, preventing the air inlet pipe 14 from rotating and improving the structural stability of the device's components. The resulting elemental sulfur sedimentation is discharged through the discharge pipe 12.

[0035] The feed pump, guide pump, and rotary motor 13 are all existing technologies. Their working principles, dimensions, and models are irrelevant to the function of this application, so they will not be described in detail. The control method of this utility model is controlled by a controller. The control circuit of the controller can be implemented by a person skilled in the art through simple programming. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0036] Working principle

[0037] In operation, the fluidized bed biogas biological desulfurization device inputs biogas into the cleaning tank 1 through the input pipe 10. The feed pump provides power, and with the connection of the conduit 9, the detergent in the treatment tank 2 flows into the cleaning tank 1 to clean out the hydrogen sulfide in the biogas.

[0038] The feed pump provides power, and through the connection of the connecting pipe 3, the rotating block 4, and the two rotating plates 5, the washing liquid carrying hydrogen sulfide is introduced into the treatment tank 2 through several nozzles 6.

[0039] With the air inlet pipe 14, connecting ring 15, positioning housing 17, fixing block 18, and two fixing plates 19 connected, air is introduced into the treatment tank 2 through several nozzles 20 to assist microorganisms in treating hydrogen sulfide.

[0040] When the rotary motor 13 is started, under the connection of the rotating rod 8, during the transmission process, several nozzles 6 and several nozzles 20 can rotate around the rotating rod 8 as the axis, increasing the range of the nozzles 6 spraying washing liquid and increasing the range of the nozzles 20 inputting air.

[0041] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fluidized bed biogas biological desulfurization device, characterized in that, include: A fluidized bed biogas biological desulfurization cleaning tank (1) has a built-in feed pump. The cleaning tank (1) is filled with packing material, and a spray head is installed on the upper part of the packing material. A fluidized bed biogas biological desulfurization treatment tank (2) has a built-in feed pump. A connecting pipe (3) is embedded and fixedly connected to the side of the treatment tank (2). Two brackets (7) welded to the treatment tank (2) are abutted on the side of the connecting pipe (3). A hollow rotating block (4) is rotatably connected to the outer periphery of the connecting pipe (3) through a connecting bearing. Two hollow rotating plates (5) are connected to the side of the rotating block (4). Several nozzles (6) are installed on the top surface of the rotating plate (5). A rotating rod (8) is connected to the top surface of the rotating block (4). The end of the connecting pipe (3) away from the rotating block (4) is connected to the output end of the feed pump. The output end of the feed pump is connected to a conduit (9). The outer periphery of the conduit (9) is connected to the spray head.

2. The fluidized bed biogas biological desulfurization device according to claim 1, characterized in that: The top and side surfaces of the cleaning tank (1) are respectively connected to an output pipe (11) and an input pipe (10), and the input pipe (10) is located at the bottom of the packing.

3. A fluidized bed biogas biological desulfurization device according to claim 2, characterized in that: The conduit (9) is located on the upper part of the connecting pipe (3), and the end face of the rotating rod (8) is connected to the output shaft of the rotating motor (13) via a coupling.

4. A fluidized bed biogas biological desulfurization device according to claim 3, characterized in that: The fixed end of the rotary motor (13) is connected to the treatment tank (2) by bolts, and the air inlet pipe (14) is embedded and fixedly connected to the top surface of the treatment tank (2).

5. A fluidized bed biogas biological desulfurization device according to claim 4, characterized in that: The outer periphery of the intake pipe (14) is connected to a connecting ring (15), and the side of the connecting ring (15) is press-fitted with two positioning bearings (16).

6. A fluidized bed biogas biological desulfurization device according to claim 5, characterized in that: The outer ring of the positioning bearing (16) is connected to the inner wall of the positioning housing (17), and the lower part of the positioning housing (17) is connected to the internally hollow fixing block (18).

7. A fluidized bed biogas biological desulfurization device according to claim 6, characterized in that: The fixing block (18) has two hollow fixing plates (19) connected to its side, and several nozzles (20) are installed on the bottom surface of the fixing plate (19).

8. A fluidized bed biogas biological desulfurization device according to claim 7, characterized in that: The bottom surface of the fixed block (18) is embedded and fixedly connected to the rotating rod (8), and the top surface of the upper positioning housing (17) is embedded and fixedly connected to the rotating rod (8). The side of the processing tank (2) is connected to the discharge pipe (12) and the exhaust pipe respectively.

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