CN218221845U

CN218221845U - Fluidized bed type biogas biological desulfurization device

Info

Publication number: CN218221845U
Application number: CN202222090007.XU
Authority: CN
Inventors: 宋红艳; 李林焱; 陈牧寒; 于虹; 罗红梅; 魏晓明
Original assignee: Baihuidaye Hangzhou New Energy Technology Co ltd
Current assignee: Baihuidaye Hangzhou New Energy Technology Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-01-06
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses a fluidized bed formula marsh gas biological desulphurization unit, including a jar body, still include diffusion subassembly, jar body upper portion is provided with and packs the fluidization interval, and packs the fluidization interval bottom side and adhere to the packing layer for graininess biomembrane, diffusion subassembly includes motor, transmission shaft and flabellum, jar external side wall can dismantle through the screw and be connected with the motor, the power take off end of motor is connected with the power input end of transmission shaft, transmission shaft lateral wall rigid coupling has the flabellum. After the total flow rate of gas in the fluidized bed type biogas biological desulfurization device is increased and exceeds the critical flow rate of the granular filler, the granular biomembrane attached filler layer in the biogas biological desulfurization device can realize fluidized operation, the motor is switched on to output power for the transmission shaft by starting the motor switch, and the transmission shaft drives the fan blades to rotate, so that the mixing rate of various gases such as biogas, oxygen, air and the like in the desulfurization tank body is increased.

Description

Fluidized bed type biogas biological desulfurization device

Technical Field

The utility model relates to the technical field of methane production, in particular to a fluidized bed type methane biological desulfurization device.

Background

Biogas biological desulfurization, also called biogas biological catalytic desulfurization, is a biological metabolic process of catalyzing hydrogen sulfide in biogas by desulfurization microorganisms and selectively converting the hydrogen sulfide into sulfuric acid or elemental sulfur by controlling the concentration of oxygen.

Application number CN201520323268.9 discloses a fluidized bed type biogas biological desulfurization device, wherein the upper part in a tank body is a filler fluidization area 6, and a granular biofilm attached packing layer 5 is arranged below the filler fluidization area 6; the lower part of the granular biomembrane attaching packing layer 5 is provided with a methane distributor 4; an air distributor 2 is arranged below the methane distributor 4; a desulfurization solution conduit 7 is also arranged below the methane distributor 4, and the desulfurization solution conduit 7 is connected with the inlet end of a desulfurization solution circulating pump 8 and a desulfurization solution inlet and outlet 12; the outlet end of the desulfurization liquid circulating pump 8 is communicated with a desulfurization liquid distributor 10 above the filler fluidization interval 6 through a desulfurization liquid circulating pipe 9. The utility model provides a fluidized bed formula marsh gas biological desulphurization unit, unit effective volume treatment effeciency is high, low in manufacturing cost, and desulfurization process is stable, and is low-priced, high-efficient, energy-conserving.

In the biological desulfurization process of the methane, the oxygen, the air and other various gases in the desulfurization tank body are mixed and are difficult to be quickly fused and reacted during injection. Therefore, a fluidized bed type biogas biological desulfurization device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a fluidized bed formula marsh gas biological desulphurization device, the air hose is to jar internal portion injection air, marsh gas pipe is to jar internal portion injection marsh gas, open the pneumatic valve on the oxygen hose, the oxygen hose passes through the oxygen hose to jar internal portion inflow oxygen, outside doctor solution is connected to pipe B, pump body work is gone into jar body through pipe A pump with doctor solution after starting pump body switch, after the critical velocity of flow that gaseous total velocity of flow improves and surpasses granular filler, can make the granular biomembrane in the marsh gas biological desulphurization device adhere to the packing layer and realize the fluidization operation, through the starter motor switch, motor switch-on is transmission shaft output power, the transmission shaft drives the flabellum and rotates, accelerate the internal portion marsh gas of desulphurization jar, all kinds of gas mixing speed such as oxygen and air, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fluidized bed formula marsh gas biological desulphurization unit, includes a jar body, still includes the diffusion subassembly, jar body upper portion is provided with that the filler fluidization is interval, and the bottom side that the filler fluidization is interval adheres to the packing layer for granular biomembrane, the diffusion subassembly includes motor, transmission shaft and flabellum, jar external side wall can dismantle through the screw and be connected with the motor, the power take off end of motor is connected with the power input end of transmission shaft, transmission shaft lateral wall rigid coupling has the flabellum.

Furthermore, one side of the tank body is communicated with an air pipe for injecting air into the tank and a biogas pipe for injecting biogas into the tank, and the other side of the tank body is communicated with a conduit A for introducing desulfurization liquid into the tank; air is injected into the tank body through the air pipe, and methane is injected into the tank body through the methane pipe.

Further, the tail end of the guide pipe A is connected with a pump body in a flange mode, and the other end of the pump body is connected with a guide pipe B in a flange mode; after the pump body is started to be opened and closed, the pump body works to pump the desulfurization solution into the tank body through the guide pipe A.

Further, an oxygen tank is fixedly connected to the outer side wall of the tank body, an air valve is connected to a pipe orifice at the bottom of the oxygen tank through a flange, and an oxygen pipe communicated with the tank body is connected to the bottom of the air valve through a flange; and opening a gas valve on the oxygen pipe, and enabling the oxygen tank to flow oxygen into the tank body through the oxygen pipe.

Furthermore, the outer side wall of the tank body is connected with an exhaust pipe in an intercommunicating manner, and the other end of the exhaust pipe is connected with a flange of a vacuum pump which can exhaust gas in the tank body; the vacuum pump works to pump out the gas in the tank body from the exhaust pipe.

Compared with the prior art, the utility model discloses following beneficial effect has: air is injected into the tank body through an air pipe, biogas is injected into the tank body through a biogas pipe, an air valve on the oxygen pipe is opened, oxygen flows into the tank body through the oxygen pipe from an oxygen tank, a guide pipe B is connected with external desulfurization liquid, a pump body works after a pump body switch is started to pump the desulfurization liquid into the tank body through a guide pipe A, after the total flow rate of the gas is increased and exceeds the critical flow rate of granular fillers, the granular biomembrane in a biogas biological desulfurization device can be attached to a filler layer to realize fluidization operation, a motor is switched on to output power for a transmission shaft through starting a motor switch, and the transmission shaft drives fan blades to rotate, so that the mixing rate of various gases such as biogas, oxygen, air and the like in the desulfurization tank body is increased.

Drawings

Fig. 1 is a schematic view of the overall structure of a fluidized bed type biogas biological desulfurization device of the present invention.

Fig. 2 is a schematic view of the sectional structure of the fluidized bed type biogas biological desulfurization device of the present invention.

Fig. 3 is a schematic structural diagram of a diffusion component of the fluidized bed type biogas biological desulfurization device of the present invention.

In the figure: 1. a tank body; 2. an air tube; 3. a biogas pipe; 4. a conduit A; 5. a pump body; 6. a conduit B; 7. an oxygen tank; 8. an air valve; 9. an oxygen tube; 10. an air exhaust pipe; 11. a vacuum pump; 12. a filler fluidization interval; 13. a granular biomembrane attaching filler layer; 14. a diffusion member; 1401. a motor; 1402. a drive shaft; 1403. and fan blades.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-3, a fluidized bed type biogas biological desulfurization device comprises a tank body 1 and a diffusion assembly 14, wherein a filler fluidization area 12 is arranged at the upper part of the tank body 1, a granular biofilm attached packing layer 13 is arranged at the bottom side of the filler fluidization area 12, the diffusion assembly 14 comprises a motor 1401, a transmission shaft 1402 and fan blades 1403, the outer side wall of the tank body 1 is detachably connected with the motor 1401 through screws, the power output end of the motor 1401 is connected with the power input end of the transmission shaft 1402, and the outer side wall of the transmission shaft 1402 is fixedly connected with the fan blades 1403.

Wherein, one side of the tank body 1 is communicated with an air pipe 2 for injecting air into the tank and a biogas pipe 3 for injecting biogas into the tank, the other side of the tank body 1 is communicated with a conduit A4 for introducing desulfurization liquid into the tank, the tail end of the conduit A4 is connected with a pump body 5 in a flange way, and the other end of the pump body 5 is connected with a conduit B6 in a flange way; air is injected into the tank body 1 through the air pipe 2, biogas is injected into the tank body 1 through the biogas pipe 3, and the pump body 5 works to pump desulfurization liquid into the tank body 1 through the guide pipe A4 after the pump body 5 is started to be opened and closed.

An oxygen tank 7 is fixedly connected to the outer side wall of the tank body 1, an air valve 8 is connected to a pipe orifice at the bottom of the oxygen tank 7 in a flange mode, an oxygen pipe 9 communicated with the tank body 1 is connected to the bottom of the air valve 8 in a flange mode, an air exhaust pipe 10 is connected to the outer side wall of the tank body 1 in an intercommunicating mode, and a vacuum pump 11 capable of exhausting air in the tank body 1 is connected to the other end of the air exhaust pipe 10 in a flange mode; the gas valve 8 on the oxygen pipe 9 is opened, the oxygen tank 7 flows oxygen into the tank 1 through the oxygen pipe 9, and the vacuum pump 11 is operated to pump the gas in the tank 1 out of the gas pumping pipe 10.

It should be noted that, the utility model relates to a fluidized bed type biogas biological desulfurization device, in operation, air pipe 2 injects the air to the inside of jar body 1, marsh gas pipe 3 injects marsh gas to the inside of jar body 1, open the pneumatic valve 8 on the oxygen pipe 9, oxygen tank 7 flows in oxygen to the inside of jar body 1 through oxygen pipe 9, pipe B6 connects outside doctor solution, pump body 5 works and pumps doctor solution into jar body 1 through pipe A4 after the switch of the pump body 5 is started, after the total gas flow rate improves and exceeds the critical flow rate of granular packing, can make the granular biomembrane in the biological desulfurization device of marsh gas adhere to packing layer 13 and realize the fluidization operation, through starting the switch of motor 1401, the switch-on power of motor is transmission shaft 1402 output power, transmission shaft 1402 drives flabellum 1403 and rotates, accelerate the various gas mixing rates such as marsh gas, oxygen and air inside the desulfurization jar body; the air pipe 2 injects air into the tank body 1, the biogas pipe 3 injects biogas into the tank body 1, the pump body 5 works after the pump body 5 is started to be opened and closed, the desulfurization liquid is pumped into the tank body 1 through the guide pipe A4, the gas valve 8 on the oxygen pipe 9 is opened, the oxygen tank 7 flows oxygen into the tank body 1 through the oxygen pipe 9, and the vacuum pump 11 works to pump the gas in the tank body 1 out of the exhaust pipe 10.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a fluidized bed formula marsh gas biological desulphurization unit, includes jar body (1), its characterized in that: still include diffusion subassembly (14), jar body (1) upper portion is provided with filler fluidization interval (12), and the bottom side of filler fluidization interval (12) is granular biomembrane and adheres to packing layer (13), diffusion subassembly (14) include motor (1401), transmission shaft (1402) and flabellum (1403), jar body (1) lateral wall can dismantle through the screw and be connected with motor (1401), the power take off end of motor (1401) is connected with the power input end of transmission shaft (1402), transmission shaft (1402) lateral wall rigid coupling has flabellum (1403).

2. The fluidized bed type biogas biological desulfurization device according to claim 1, characterized in that: one side of the tank body (1) is communicated and connected with an air pipe (2) for injecting air into the tank and a biogas pipe (3) for injecting biogas into the tank, and the other side of the tank body (1) is communicated and connected with a conduit A (4) for leading desulfurization liquid into the tank.

3. The fluidized bed type biogas biological desulfurization apparatus according to claim 2, characterized in that: the tail end of the guide pipe A (4) is connected with a pump body (5) in a flange mode, and the other end of the pump body (5) is connected with a guide pipe B (6) in a flange mode.

4. The fluidized bed type biogas biological desulfurization apparatus according to claim 1, characterized in that: the oxygen tank (7) is fixedly connected to the outer side wall of the tank body (1), an air valve (8) is connected to the bottom pipe opening of the oxygen tank (7) in a flange mode, and an oxygen pipe (9) communicated with the tank body (1) is connected to the bottom of the air valve (8) in a flange mode.

5. The fluidized bed type biogas biological desulfurization apparatus according to claim 1, characterized in that: the outer side wall of the tank body (1) is connected with an exhaust pipe (10) in an intercommunicating manner, and the other end of the exhaust pipe (10) is connected with a flange of a vacuum pump (11) which can exhaust the gas in the tank body (1).