CN209989339U

CN209989339U - Biogas biological desulfurization equipment with improved structural design

Info

Publication number: CN209989339U
Application number: CN201920554056.XU
Authority: CN
Inventors: 蒋勇
Original assignee: Qingdao Yong Luo Environmental Science Research Institute Co Ltd
Current assignee: Qingdao Yong Luo Environmental Science Research Institute Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-24
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to a marsh gas desulfurization technical field specifically is a marsh gas biological desulfurization's equipment with improve structural design, including the sweetener body, bottom one side of sweetener body is run through and is equipped with marsh gas import and air intlet, and both sides are equipped with first baffle and second baffle about the inside of sweetener body in proper order, all are provided with the solenoid valve on marsh gas import and the air intlet, and the two all is located the below of second baffle, and the equal welded fastening of side of first baffle and second baffle is on the inner wall of sweetener body, and evenly runs through on the first baffle and be equipped with the installation pipe, and beneficial effect is: be provided with numerous desulfurization tube structure in this practicality, and the intraductal packing of desulfurization has plastic packing, and marsh gas gets into and wears out again in the desulfurization pipe and can accomplish the desulfurization process, compares traditional technique, and this practicality is under the condition that does not change the desulfurizing tower volume, greatly increased marsh gas and plastic packing's area of contact, improved desulfurization rate.

Description

Biogas biological desulfurization equipment with improved structural design

Technical Field

The utility model relates to the technical field of biogas desulfurization, in particular to a biogas biological desulfurization device with improved structural design.

Background

Biogas is produced from anaerobic fermentors, especially when fermented at moderate or high temperatures, and carries a large amount of hydrogen sulfide. Because a large amount of water vapor exists in the biogas, the corrosion and blockage of metal pipelines, valves and flow meters are accelerated under the combined action of water and hydrogen sulfide in the biogas. In addition, sulfur dioxide generated after the hydrogen sulfide is combusted is combined with water vapor in combustion products to form sulfurous acid, so that the metal surface of equipment is corroded, the atmospheric environment is polluted, and the human health is influenced. Therefore, hydrogen sulfide must be removed from the biogas before it is used. At present, a common desulfurization method is a biological desulfurization method, but the desulfurization method in the prior art has certain defects, mainly comprising the following steps:

1. the desulfurization efficiency is low. A layer of plastic filler is usually arranged in the existing desulfurizing tower, hydrogen sulfide gas in the biogas is absorbed by special strains when the biogas passes through the plastic filler, but the area of the plastic filler is limited, so that the desulfurizing speed is slow;

2. before carrying out the marsh gas desulfurization, must mix marsh gas and air, because the essence of marsh gas desulfurization process is hydrogen sulfide gas and oxygen process of taking place chemical reaction, if the two can not mix fully, then can't guarantee going on of desulfurization process, but directly let in the desulfurizing tower simultaneously marsh gas and air among the prior art, the two can't obtain the intensive mixing just begins to pass the plastic packing, for this reason, the utility model provides a biological desulfurization's of marsh gas equipment with improve structural design is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a biogas biological desulfurization equipment with improved structure design to solve the problems provided in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme: a biogas biological desulfurization device with an improved structural design comprises a desulfurization device body, wherein a biogas inlet and an air inlet are arranged on one side of the bottom of the desulfurization device body in a penetrating manner, a first partition plate and a second partition plate are sequentially arranged on the upper side and the lower side of the interior of the desulfurization device body, electromagnetic valves are arranged on the biogas inlet and the air inlet and are both positioned below the second partition plate, the side edges of the first partition plate and the second partition plate are welded and fixed on the inner wall of the desulfurization device body, an installation circular pipe is uniformly arranged on the first partition plate in a penetrating manner, the installation circular pipe is fixedly welded on the first partition plate, a desulfurization pipe is arranged in the installation circular pipe in a penetrating manner, the desulfurization pipe and the desulfurization pipe are fixedly connected through bolts, a gas outlet pipeline is arranged above the interior of the desulfurization device body, a bellows is arranged above one side of the exterior of the desulfurization device body, and is fixedly installed in, its one end runs through the lateral wall of sweetener body and extends to in the bellows, bellows fixed mounting is on the lateral wall of sweetener body, and its inside fan that is equipped with, and its outside one side of keeping away from the sweetener body runs through and is equipped with the outer takeover.

Preferably, the desulfurization pipe is composed of an outer protection pipe, an inner protection pipe and plastic filler, the outer protection pipe is sleeved outside the inner protection pipe, the inner diameter of the outer protection pipe is larger than that of the inner protection pipe, and the plastic filler is filled in a gap between the outer protection pipe and the inner protection pipe.

Preferably, the outer protecting pipe and the inner protecting pipe are evenly provided with through holes in a penetrating mode, and filter cloth is attached to the inner side wall of the outer protecting pipe and the outer side wall of the inner protecting pipe.

Preferably, a communicating pipe is arranged on one side of the outside of the desulfurization device body, the communicating pipe is of an arch-shaped tubular structure, an electromagnetic valve is arranged on one section of the outside of the communicating pipe, two ends of the electromagnetic valve penetrate through the side wall of the desulfurization device body, one end of the communicating pipe is located below the second partition plate, and the other end of the communicating pipe is located between the first partition plate and the second partition plate.

Preferably, the air outlet pipeline is uniformly provided with a plurality of round holes in a penetrating manner, and the diameter of each round hole is not more than five centimeters.

Compared with the prior art, the beneficial effects of the utility model are that:

1. compared with the prior art, the utility model greatly increases the contact area between the methane and the plastic filler and improves the desulfurization rate under the condition of not changing the volume of the desulfurization tower;

2. be provided with first baffle and second baffle in the utility model, and through communicating pipe intercommunication between the two, marsh gas and air make the mist get into between first baffle and the second baffle through the intensive mixing back in the below of second baffle, open communicating pipe again, compare traditional technique, the utility model discloses can ensure that marsh gas and air mix fully, guarantee going on in order of desulfurization process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: the device comprises a desulfurization device body 1, a biogas inlet 2, an air inlet 3, a first partition plate 4, a second partition plate 5, a circular mounting pipe 6, a communicating pipe 7, a desulfurization pipe 8, an outer protective pipe 9, an inner protective pipe 10, plastic fillers 11, through holes 12, filter cloth 13, an air outlet pipeline 14, an air box 15, a fan 16, an outer connecting pipe 17 and round holes 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a biogas biological desulfurization device with an improved structural design comprises a desulfurization device body 1, wherein a biogas inlet 2 and an air inlet 3 are arranged on one side of the bottom of the desulfurization device body 1 in a penetrating manner, a first partition plate 4 and a second partition plate 5 are sequentially arranged on the upper side and the lower side of the interior of the desulfurization device body 1, electromagnetic valves are arranged on the biogas inlet 2 and the air inlet 3 and are both positioned below the second partition plate 5, the side edges of the first partition plate 4 and the second partition plate 5 are welded and fixed on the inner wall of the desulfurization device body 1, a mounting circular tube 6 is uniformly arranged on the first partition plate 4 in a penetrating manner, the mounting circular tube 6 is fixedly welded on the first partition plate 4, a desulfurization tube 8 is arranged inside the mounting circular tube 6 in a penetrating manner, the two are fixedly connected through bolts, an air outlet pipeline 14 is arranged above the interior of the desulfurization device body 1, and an air box 15 is arranged above one, the air outlet pipeline 14 is fixedly installed in the desulfurization equipment body 1 through a pipe clamp, one end of the air outlet pipeline penetrates through the side wall of the desulfurization equipment body 1 and extends into the air box 15, the air box 15 is fixedly installed on the outer side wall of the desulfurization equipment body 1, a fan 16 is arranged in the air box, an external connecting pipe 17 penetrates through one side, away from the desulfurization equipment body 1, of the outer part of the air box, the air outlet pipeline 14 penetrates through the side wall of the desulfurization equipment body 1, the external connecting pipe 17 penetrates through the side wall of the air box 15, as shown in fig. 1, the penetrating parts of the air box and the air box are sealed, biogas is ensured not to leak, meanwhile, the air box 15 generates negative pressure, and gas in the;

the desulfurization pipe 8 comprises outer pillar 9, inner casing 10 and plastic packing 11, and outer pillar 9 cup joints in the outside of inner casing 10, and the inside diameter of outer pillar 9 is greater than the outside diameter of inner casing 10, and plastic packing 11 fills in the clearance of outer pillar 9 and inner casing 10, and the concrete structure of desulfurization pipe 8 is as shown in fig. 2, and wherein plastic packing 11 is the humid state, can supply the reproduction of desulfurization bacterium, and the kind of desulfurization bacterium can be: a genus of either the genus of Thiobacillus or Thiobacillus;

the outer protecting pipe 9 and the inner protecting pipe 10 are evenly penetrated and provided with through holes 12, and the inner side wall of the outer protecting pipe 9 and the outer side wall of the inner protecting pipe 10 are both attached with filter cloth 13.

A communicating pipe 7 is arranged on one side of the outer portion of the desulfurization device body 1, the communicating pipe 7 is of an arch-shaped tubular structure, an electromagnetic valve is arranged on one section of the outer portion of the communicating pipe 7, two ends of the electromagnetic valve penetrate through the side wall of the desulfurization device body 1, one end of the communicating pipe 7 is located below the second partition plate 5, the other end of the communicating pipe is located between the first partition plate 4 and the second partition plate 5, the shape and the position of the communicating pipe 7 are shown in fig. 2, and the communicating pipe has the function of introducing gas below the second partition plate 5 into the space between the first partition plate 4 and;

round holes 18 are uniformly formed in the gas outlet pipeline 14 in a penetrating mode, the number of the round holes 18 is a plurality, the diameter of each round hole 18 is not more than five centimeters, and the round holes 18 are used for absorbing methane penetrating out of the desulfurization pipe 8.

The working principle is as follows: the utility model discloses during the use, let in marsh gas and air respectively from marsh gas import 2 and air intlet 3 simultaneously, treat the two after intensive mixing, open the valve on communicating pipe 7, let in the mist between first baffle 4 and the second baffle 5. The mixed gas passes through the installation round pipe 6 and then enters the inner protecting pipe 10, the gap between the inner protecting pipe 10 and the outer protecting pipe 9 is filled with the plastic filler 11, when the mixed gas passes through the plastic filler 11, the mixed gas is desulfurized by the desulfurizing bacteria in the plastic filler 11, the desulfurized gas passes through the round hole 18 and enters the gas outlet pipeline 14, under the action of the fan 16, the mixed gas passes through the outer connecting pipe 17, and the whole desulfurization process is finished. Wherein, the inner side wall of the outer protecting pipe 9 and the outer side wall of the inner protecting pipe 10 are both provided with filter cloth 13 in a fitting way, and under the filtering action of the filter cloth 13, dust or foreign matters in the mixed gas are removed. The fan 16 is arranged inside the air box 15, the fan 16 generates negative pressure at the round hole 18, the biogas desulfurization speed can be enhanced, the whole structure is simple, and the operation is convenient.

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

Claims

1. The utility model provides a marsh gas biological desulfurization's equipment with improve structural design, includes sweetener body (1), its characterized in that: a biogas inlet (2) and an air inlet (3) are arranged on one side of the bottom of the desulfurization equipment body (1) in a penetrating manner, a first partition plate (4) and a second partition plate (5) are sequentially arranged on the upper side and the lower side of the interior of the desulfurization equipment body (1), electromagnetic valves are arranged on the biogas inlet (2) and the air inlet (3) and are both positioned below the second partition plate (5), the side edges of the first partition plate (4) and the second partition plate (5) are welded and fixed on the inner wall of the desulfurization equipment body (1), installation round pipes (6) are uniformly arranged on the first partition plate (4) in a penetrating manner, the installation round pipes (6) are fixedly welded on the first partition plate (4), desulfurization pipes (8) are arranged inside the installation round pipes (6) in a penetrating manner and fixedly connected through bolts, an air outlet pipeline (14) is arranged above the interior of the desulfurization equipment body (1), an air box (15) is arranged above one side of the outer portion of the air outlet pipeline (14), the air outlet pipeline is fixedly installed in the desulfurization equipment body (1) through a pipe clamp, one end of the air outlet pipeline penetrates through the side wall of the desulfurization equipment body (1) and extends into the air box (15), the air box (15) is fixedly installed on the outer side wall of the desulfurization equipment body (1), a fan (16) is arranged in the air box, and an outer connecting pipe (17) penetrates through one side, away from the desulfurization equipment body (1), of the outer portion of the air outlet pipeline.

2. The biogas biological desulfurization equipment with the improved structural design as claimed in claim 1, characterized in that: the desulfurization pipe (8) is composed of an outer protecting pipe (9), an inner protecting pipe (10) and a plastic filler (11), wherein the outer protecting pipe (9) is sleeved on the outer side of the inner protecting pipe (10), the inner side diameter of the outer protecting pipe (9) is larger than the outer side diameter of the inner protecting pipe (10), and the plastic filler (11) is filled in a gap between the outer protecting pipe (9) and the inner protecting pipe (10).

3. The biogas biological desulfurization equipment with the improved structure design as claimed in claim 2, is characterized in that: the outer protecting pipe (9) and the inner protecting pipe (10) are evenly penetrated through to form a through hole (12), and the inner side wall of the outer protecting pipe (9) and the outer side wall of the inner protecting pipe (10) are both attached to filter cloth (13).

4. The biogas biological desulfurization equipment with the improved structural design as claimed in claim 1, characterized in that: outside one side of sweetener body (1) is equipped with communicating pipe (7), communicating pipe (7) are bow type tubular structure, are provided with the solenoid valve on its outside one section, and the lateral wall of sweetener body (1) is all run through at its both ends, and wherein one end of communicating pipe (7) is located the below of second baffle (5), and its other end is located between first baffle (4) and second baffle (5).

5. The biogas biological desulfurization equipment with the improved structural design as claimed in claim 1, characterized in that: round holes (18) are uniformly formed in the air outlet pipeline (14) in a penetrating mode, the number of the round holes (18) is multiple, and the diameter of each round hole (18) is not more than five centimeters.