CN111909744B - Multistage spray type biogas biological desulfurization tower - Google Patents
Multistage spray type biogas biological desulfurization tower Download PDFInfo
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- CN111909744B CN111909744B CN202010773391.6A CN202010773391A CN111909744B CN 111909744 B CN111909744 B CN 111909744B CN 202010773391 A CN202010773391 A CN 202010773391A CN 111909744 B CN111909744 B CN 111909744B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/10—Working-up natural gas or synthetic natural gas
- C10L3/101—Removal of contaminants
- C10L3/102—Removal of contaminants of acid contaminants
- C10L3/103—Sulfur containing contaminants
Abstract
The invention discloses a multistage spray type biogas biological desulfurization tower which comprises a tower body, wherein an air outlet is arranged in the middle of the upper surface of the tower body, a first water inlet is arranged at the upper end of one side of the outer circular surface of the tower body, a second water inlet is arranged in the middle of one side of the outer circular surface of the tower body, a liquid outlet is arranged at the bottom end of one side of the outer circular surface of the tower body, supporting legs are fixedly arranged at the positions, close to the liquid outlet, of the bottom end of the outer circular surface of the tower body, a first liquid inlet is arranged at the upper end of the other side of the outer circular surface of the tower body, and a second liquid inlet is arranged at the other side of the outer circular surface of the tower body, close to the lower end of the first liquid inlet. According to the invention, the anti-blocking gas uniformizing device is arranged, so that methane can uniformly rise to be fully contacted with slurry spray, the desulfurization efficiency is further improved, and the problems that the precipitate generated by reaction blocks the gas uniformizing hole, the washing liquid is difficult to flow back, and meanwhile, the methane is difficult to pass through the gas uniformizing plate and is inconvenient to use are solved.
Description
Technical Field
The invention relates to the technical field of energy-saving and environment-friendly equipment, in particular to a multistage spray type biogas biological desulfurization tower.
Background
After anaerobic treatment, waste water and solid garbage containing organic matters generate a large amount of methane, and because of the action of sulfate reducing bacteria, a large amount of hydrogen sulfide is generated at the same time, because the hydrogen sulfide is toxic and strong in corrosivity, the comprehensive utilization of the methane is limited, the methane needs to be desulfurized, the earliest methane desulfurization adopts a solid chemical desulfurization process (dry desulfurization), a desulfurizing agent is generally ferric sulfate, because the dry desulfurization needs to frequently replace the desulfurizing agent, the labor intensity is high, the operation cost is high, large-scale application is eliminated, the desulfurizing agent is only matched with other desulfurization processes to perform subsequent fine desulfurization, along with the development of biotechnology, the technology of treating the hydrogen sulfide in the methane by using desulfurizing microorganisms is generated, and due to the low operation cost, the desulfurizing agent quickly becomes a research hotspot, and the main biological desulfurization applied to the methane can be roughly divided into two types, one is integrated biological desulfurization; the other type is separated biological desulfurization, and the integrated biological desulfurization refers to that: introducing a certain amount of air into methane containing hydrogen sulfide, and removing the hydrogen sulfide by the mixed gas through a biological filter and a biological trickling filter, wherein the desulfurization by-product is generally sulfuric acid or sulfate, and the mixed gas is widely applied to methane desulfurization power generation projects due to low operation cost; the separated biological desulfurization process comprises the following steps: the biogas gas containing hydrogen sulfide firstly enters a biological washing tower, the biogas gas and alkali in the mixed liquid react in the tower to remove the hydrogen sulfide from the biogas, then the biological washing liquid enters a biological reactor to convert the sulfide in the reactor into elemental sulfur, and meanwhile, alkali liquor is regenerated and reused.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. in the traditional spraying type biogas biological desulfurization technology, biogas enters from an air inlet of a desulfurization tower and is directly subjected to a spraying desulfurization procedure, and the biogas is unevenly distributed in the desulfurization tower, so that the biogas cannot be fully contacted with slurry spray, and the desulfurization efficiency is further reduced; 2. the defroster of desulfurizing tower upper end is after long-time use, and the sediment that blade surface can the bonding reaction generate influences the defogging effect, and prior art sets up special belt cleaning device at the defroster lower extreme, though realized the clearance to the defroster, has guaranteed the normal defogging effect of defroster, nevertheless can make the desulfurizing tower structure more complicated, has still increased the desulfurizing tower volume when improving the desulfurization cost, and it is comparatively inconvenient to use.
Therefore, a multistage spray type biogas biological desulfurization tower is provided.
Disclosure of Invention
The invention aims to provide a multistage spray type biogas biological desulfurization tower, which can guide biogas entering from an air inlet through an air guide plate by arranging an anti-blocking air-homogenizing device, the biogas enters into an air-homogenizing plate and is homogenized and discharged through air-homogenizing holes, the biogas can uniformly rise to be fully contacted with slurry spray, so that the desulfurization efficiency is improved, a sliding rod arranged at the upper end of the air-homogenizing plate can enable a sliding sleeve to drive a steel wire brush to regularly clean the air-homogenizing holes on the air-homogenizing plate, precipitates generated by reaction are prevented from blocking the air-homogenizing holes, so that washing liquid is difficult to flow back, the biogas is difficult to pass through the air-homogenizing plate, the use is inconvenient, the steel wire brush is matched with a flushing head, the air-homogenizing holes can be flushed, the cleaning efficiency and the cleaning degree are improved, the anti-blocking air-homogenizing device can automatically clean the reaction precipitates on the air-homogenizing holes while realizing the air-homogenizing effect, the invention prevents the blockage of even air holes, has higher automation degree, does not need to disassemble the desulfurizing tower, improves the cleaning efficiency and reduces the cleaning difficulty, by arranging the spray device, when the desulfurizing tower normally works, the spray device plays a normal atomizing and spraying role, the valve on the first water inlet is closed, when the defogging layer at the upper end of the spray device needs to be cleaned, the valve on the first liquid inlet is closed, the valve on the first water inlet is opened, the spray device can utilize a waterproof motor inside the first water inlet to be matched with a ball bearing to drive the spray pipe to rotate, so that the side with the spray holes on the spray pipe is overturned upwards, then the first water inlet is utilized to flush the defogging layer, the spray device simultaneously has the functions of spraying and cleaning, the use is convenient, the problem that the cleaning device is specially arranged in the prior art is solved, although the cleaning of the defogger is realized, the normal defogging effect of defroster has been guaranteed, nevertheless can make the desulfurizing tower structure more complicated, has still increased the desulfurizing tower volume when improving the desulfurization cost, uses comparatively inconvenient problem to solve the problem of proposing among the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: a multistage spray type biogas biological desulfurization tower comprises a tower body, wherein an air outlet is arranged at the middle position of the upper surface of the tower body, a first water inlet is arranged at the upper end of one side of the outer circular surface of the tower body, a second water inlet is arranged at the middle position of one side of the outer circular surface of the tower body, a liquid outlet is arranged at the bottom end of one side of the outer circular surface of the tower body, supporting legs are fixedly arranged at the bottom end of the outer circular surface of the tower body, which is close to the liquid outlet, a first liquid inlet is arranged at the upper end of the other side of the outer circular surface of the tower body, a second liquid inlet is arranged at the other side of the outer circular surface of the tower body, an air inlet is arranged at the bottom end of the other side of the outer circular surface of the tower body, a defogging layer is arranged at the upper end of the interior of the tower body, a spray device is arranged at the lower end of the defogging layer at the interior of the tower body, a spray frame is arranged at the interior of the tower body, an anti-blocking and gas uniformizing device is arranged at the lower end of the spray frame at the interior of the tower body, a liquid collecting tank is arranged at the bottom in the tower body;
the anti-blocking air uniformizing device comprises an air uniformizing plate fixedly mounted on the inner wall of the tower body, an air guide plate is fixedly mounted at the lower end of the air uniformizing plate, a plurality of air uniformizing holes are formed in the middle position of the upper surface of the air uniformizing plate, a sliding rod is fixedly mounted at one end of the upper surface of the air uniformizing plate, a sliding sleeve is connected to the side surface of the sliding rod in a sleeved mode, a flushing head is arranged on one side of the lower end of the sliding sleeve, and a steel wire hairbrush is fixedly mounted on the other side of the lower end of the sliding sleeve;
spray set includes fixed mounting in the tower body inner wall and with first water inlet, first inlet fixed connection's collar, first water inlet, first inlet side surface are provided with the valve, the collar inner circle face rotates and is connected with the shower, the inside ball bearing that is provided with of collar, ball bearing one end and first water inlet fixed connection, shower one end runs through ball bearing and fixed connection, the inside waterproof motor that is provided with of first water inlet, the one end fixed mounting of waterproof motor has the connecting plate, the one end and the shower fixed connection of connecting plate.
In the traditional spraying type biogas biological desulfurization technology, biogas enters from an air inlet of a desulfurization tower and is directly subjected to a spraying desulfurization procedure, and the biogas is unevenly distributed in the desulfurization tower, so that the biogas cannot be fully contacted with slurry spray, and further the desulfurization efficiency is reduced, the prior art also has the technology that an air homogenizing plate is arranged at the air inlet to uniformly distribute the biogas, but cleaning solution at the upper end of biological cleaning solution after reaction with the biogas enters a liquid collecting tank at the bottom in a tower body through the air homogenizing plate, and the cleaning solution can generate precipitate elemental sulfur after reaction with the biogas, so that air holes on the air homogenizing plate are easily blocked, the cleaning solution is difficult to flow back, and meanwhile, the biogas is difficult to pass through the air homogenizing plate and is inconvenient to use, the invention guides the biogas entering from the air inlet through an air guide plate by arranging an anti-blocking air homogenizing device, the biogas enters into the air homogenizing plate, and is homogenized and discharged through the air homogenizing holes, the anti-blocking gas homogenizing device can enable methane to uniformly rise and fully contact with slurry spray, so that the desulfurization efficiency is improved, the sliding rod arranged at the upper end of the gas homogenizing plate can enable the sliding sleeve to drive the steel wire hairbrush to regularly clean gas homogenizing holes in the gas homogenizing plate, precipitates generated by reaction are prevented from blocking the gas homogenizing holes, so that washing liquid is difficult to flow back, and meanwhile, the methane is difficult to pass through the gas homogenizing plate, so that the problem of inconvenience in use is solved; after a demister at the upper end of a desulfurizing tower is used for a long time, sediment generated by a bonding reaction can be adhered on the surface of a blade to influence the demisting effect, a special cleaning device is arranged at the lower end of the demister in the prior art, the cleaning of the demister is realized, the normal demisting effect of the demister is ensured, but the desulfurizing tower structure is more complicated, the desulfurizing cost is improved, and the size of the desulfurizing tower is increased, so that the demisting tower is inconvenient to use. The first water inlet is used for feeding water to wash the demisting layer, so that the spraying device has the functions of spraying and cleaning at the same time, the use is convenient, and the problems that although the cleaning device is specially arranged in the prior art, the demisting layer is cleaned, and the normal demisting effect of the demisting layer is ensured, the structure of the desulfurizing tower is more complicated, the desulfurizing cost is improved, the occupied area of the desulfurizing tower is increased, and the use is more inconvenient are solved; according to the invention, the anti-blocking gas uniformizing device is matched with the spraying device, so that the automatic and convenient cleaning of the gas uniformizing plate and the demisting layer is realized, the cleaning efficiency of the desulfurizing tower is improved, the desulfurizing tower is not required to be disassembled, the labor amount of workers is reduced, and further, the labor cost is reduced.
Preferably, the hookup location of waterproof motor and first water inlet inner wall is provided with motor buffer, motor buffer include with waterproof motor fixed mounting's connecting rod and fixed mounting in the casing of first water inlet inner wall, connecting rod one end runs through casing and fixed mounting has the buffer board, the one end fixed mounting of buffer board has a plurality of springs, the left and right ends of buffer board fixed mounting respectively has the slider, the inside spout of having seted up of casing, the buffer board passes through slider, spout and casing sliding connection.
During operation, the waterproof motor arranged inside the spraying device can vibrate, long-time vibration can loosen the connection between the ball bearing and the spraying pipe and the connection between the first water inlet and the mounting ring, the connection stability is reduced, the connection can be seriously caused to fall off, and the normal realization of the cleaning function of the spraying device is influenced.
Preferably, the position that the inside of collar is close to ball bearing is provided with oil seal, oil seal is including setting up in the inside oil storage tank of collar, the oil storage tank upper end runs through the collar and is provided with the oil inlet, the oil storage tank lower extreme is provided with oil delivery way, oil delivery way lower extreme is provided with oil outlet nozzle, the inside oil film chamber of having seted up near oil outlet nozzle below of collar.
When the oil seal device works, the sealing effect of the connecting position of the first water inlet and the mounting ring and the connecting position of the ball bearing and the spray pipe is poor, water flow is easy to leak from a crack when flowing and enters the desulfurization tower to influence the normal use of the desulfurization tower, and the normal rotation function of the spray pipe can be influenced by arranging the seal ring. The rotation of the spray pipe can be facilitated, and the cleaning function of the spray device can be conveniently realized.
Preferably, the side surface of the slide bar is coated with a corrosion-resistant coating, and the corrosion-resistant coating is a component made of polytetrafluoroethylene.
The side surface of the slide bar is sprayed with a corrosion-resistant coating which is a component made of polytetrafluoroethylene, and the corrosion-resistant coating arranged on the surface of the slide bar can slow down the corrosion speed of the slide bar in the acidic environment of the desulfurizing tower, so that the service life of the slide bar is prolonged.
Preferably, the length of the steel wire hairbrush is greater than the maximum diameter of a circular area formed by the uniform air holes, and the steel wire hairbrush is fixedly connected with the sliding sleeve through a bolt.
The length of steel wire brush is greater than the circular regional maximum diameter of even gas pocket formation, and when the sliding sleeve moved on the slide bar, the steel wire brush can clear up whole even gas pocket place region for the clearance is more thorough completely, and simultaneously, the steel wire brush passes through bolt and sliding sleeve fixed connection, is convenient for change when the steel wire brush damages, has improved change efficiency.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can lead the marsh gas entering from the air inlet to enter the gas homogenizing plate through the gas guide plate by arranging the anti-blocking gas homogenizing device, lead the marsh gas to uniformly rise and fully contact with slurry spray through the gas homogenizing hole, further improve the desulfurization efficiency, lead the sliding rod arranged at the upper end of the gas homogenizing plate to lead the sliding sleeve to drive the steel wire hairbrush to regularly clean the gas homogenizing hole on the gas homogenizing plate, prevent the precipitate generated by reaction from blocking the gas homogenizing hole, further cause the washing liquid to be difficult to flow back, simultaneously lead the marsh gas to be difficult to pass through the gas homogenizing plate, solve the problem of inconvenient use, lead the steel wire hairbrush to be matched with the flushing head, can flush the gas homogenizing hole, improve the cleaning efficiency and the cleaning degree, realize the gas homogenizing function of the anti-blocking gas homogenizing device, also can automatically clean the reaction precipitate on the gas homogenizing hole, prevent the gas homogenizing hole from being blocked, and have higher automation degree, the desulfurizing tower is not required to be disassembled, so that the cleaning efficiency is improved, and the cleaning difficulty is reduced.
2. By arranging the spray device, when the desulfurization tower normally works, the spray device plays a normal atomization spray role, the valve on the first water inlet is closed, when the defogging layer at the upper end of the spray device needs to be cleaned, the valve on the first liquid inlet is closed, the valve on the first water inlet is opened, the spray device can utilize a waterproof motor inside the first water inlet to be matched with the ball bearing to drive the spray pipe to rotate, so that the side with the spray holes on the spray pipe is turned upwards, then the defogging layer is washed by water entering from the first water inlet, the spray device has the spray and cleaning functions at the same time, the use is convenient, the problem that the cleaning device specially arranged in the prior art is solved, the cleaning of the defogging layer is realized, the normal defogging effect of the defogging layer is ensured, but the structure of the desulfurization tower is more complicated, the desulfurization cost is improved, and the occupied area of the desulfurization tower is increased is solved, the use is inconvenient; according to the invention, the anti-blocking gas uniformizing device is matched with the spraying device, so that the automatic and convenient cleaning of the gas uniformizing plate and the demisting layer is realized, the cleaning efficiency of the desulfurizing tower is improved, the desulfurizing tower is not required to be disassembled, the labor amount of workers is reduced, and further, the labor cost is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a structural view of the anti-clogging gas uniformizing apparatus according to the present invention;
FIG. 3 is a top view of the anti-clogging gas uniformizing apparatus according to the present invention;
FIG. 4 is a view of the overall construction of the spray assembly of the present invention;
FIG. 5 is a cross-sectional structural view of the spray apparatus of the present invention;
FIG. 6 is a structural view of the motor cushioning device of the present invention;
FIG. 7 is a structural view of an oil seal device of the present invention;
fig. 8 is an overall structural view of the present invention.
In the figure: 1. a tower body; 2. an air outlet; 3. a first water inlet; 4. a second water inlet; 5. a liquid outlet; 6. an air inlet; 7. a first liquid inlet; 8. an anti-blocking air homogenizing device; 81. a gas homogenizing plate; 82. a gas guide plate; 83. air homogenizing holes; 84. a corrosion-resistant coating; 85. a slide bar; 86. a steel wire brush; 87. a sliding sleeve; 88. a rinsing head; 9. a spraying device; 91. a mounting ring; 92. a shower pipe; 94. a valve; 95. an oil seal device; 951. an oil inlet; 952. an oil storage tank; 953. an oil delivery passage; 954. an oil outlet nozzle; 955. an oil film cavity; 96. a ball bearing; 97. a motor buffer device; 971. a connecting rod; 972. a housing; 973. a buffer plate; 974. a slider; 975. a chute; 976. a spring; 98. a waterproof motor; 99. a connecting plate; 10. a demisting layer; 11. a spray rack; 12. a second liquid inlet; 13. a liquid collecting tank; 14. support the feet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, the present invention provides a technical solution of a multistage spray type biogas biological desulfurization tower:
a multistage spray type biogas biological desulfurization tower is shown in figure 1 and comprises a tower body 1, wherein an air outlet 2 is arranged at the middle position of the upper surface of the tower body 1, a first water inlet 3 is arranged at the upper end of one side of the outer circular surface of the tower body 1, a second water inlet 4 is arranged at the middle position of one side of the outer circular surface of the tower body 1, a liquid outlet 5 is arranged at the bottom end of one side of the outer circular surface of the tower body 1, supporting legs 14 are fixedly arranged at the bottom end of the outer circular surface of the tower body 1 close to the liquid outlet 5, a first liquid inlet 7 is arranged at the upper end of the other side of the outer circular surface of the tower body 1, a second liquid inlet 12 is arranged at the lower end of the other side of the outer circular surface of the tower body 1 close to the first liquid inlet 7, an air inlet 6 is arranged at the bottom end of the other side of the outer circular surface of the tower body 1, a defogging layer 10 is arranged at the upper end of the interior of the tower body 1, and a spray device 9 is arranged at the lower end of the defogging layer 10, a spray rack 11 is arranged in the tower body 1 close to the lower end of the spray device 9, an anti-blocking gas uniformizing device 8 is arranged in the tower body 1 close to the lower end of the spray rack 11, and a liquid collecting tank 13 is arranged at the bottom in the tower body 1;
as shown in fig. 2, the anti-clogging air-homogenizing device 8 comprises an air-homogenizing plate 81 fixedly mounted on the inner wall of the tower body 1, an air guide plate 82 is fixedly mounted at the lower end of the air-homogenizing plate 81, a plurality of air-homogenizing holes 83 are formed in the middle position of the upper surface of the air-homogenizing plate 81, a slide bar 85 is fixedly mounted at one end of the upper surface of the air-homogenizing plate 81, a sliding sleeve 87 is connected to the side surface of the slide bar 85 in a sleeved manner, a flushing head 88 is arranged on one side of the lower end of the sliding sleeve 87, and a steel wire brush 86 is fixedly mounted on the other side of the lower end of the sliding sleeve 87;
as shown in fig. 4, the spraying device 9 includes a mounting ring 91 fixedly mounted on the inner wall of the tower body 1 and fixedly connected to the first water inlet 3 and the first liquid inlet 7, valves 94 are disposed on the side surfaces of the first water inlet 3 and the first liquid inlet 7, and a spraying pipe 92 is rotatably connected to the inner circular surface of the mounting ring 91;
as shown in fig. 5, a ball bearing 96 is disposed inside the mounting ring 91, one end of the ball bearing 96 is fixedly connected to the first water inlet 3, one end of the shower tube 92 penetrates through the ball bearing 96 and the ball bearing 96 is fixedly connected to the first water inlet 3, and a waterproof motor 98 is disposed inside the first water inlet 3, wherein the selectable models of the waterproof motor 98 are: 80YS25GV22, a connection plate 99 is fixedly arranged at one end of the waterproof motor 98, and one end of the connection plate 99 is fixedly connected with the spray pipe 92.
In the traditional spraying type biogas biological desulfurization technology, biogas enters from an air inlet 6 of a desulfurization tower and is directly subjected to a spraying desulfurization procedure, and at the moment, the biogas is unevenly distributed in the desulfurization tower, so that the biogas cannot be fully contacted with slurry spray, and further the desulfurization efficiency is reduced, in the prior art, a gas homogenizing plate 81 is arranged at the air inlet 6 to uniformly distribute the biogas, but cleaning solution at the upper end of biological cleaning solution after reacting with the biogas enters a liquid collecting tank 13 at the bottom in a tower body 1 through the gas homogenizing plate 81, precipitate elemental sulfur is generated after the cleaning solution reacts with the biogas, air holes in the gas homogenizing plate 81 are easily blocked, so that the cleaning solution is difficult to flow back, and meanwhile, the biogas is difficult to pass through the gas homogenizing plate 81, so that the use is inconvenient, the invention adopts an anti-blocking gas homogenizing device 8 to guide the biogas entering from the air inlet 6 through the gas guide plate 82, and the biogas enters the gas homogenizing plate 81, the gas is homogenized and discharged through the gas homogenizing holes 83, so that the methane can uniformly rise and fully contact with the slurry spray, further improving the desulfurization efficiency, the sliding rod 85 arranged at the upper end of the gas homogenizing plate 81 can enable the sliding sleeve 87 to drive the wire hairbrush 86 to regularly clean the gas homogenizing holes 83 on the gas homogenizing plate 81, prevent the precipitate generated by the reaction from blocking the gas homogenizing holes 83, thereby causing the problem that the washing liquid is difficult to flow back, and simultaneously the marsh gas is difficult to pass through the gas homogenizing plate 81, the use is inconvenient, the steel wire brush 86 is matched with the washing head 88 to wash the gas homogenizing hole 83, the cleaning efficiency and the cleanness are improved, the anti-blocking gas homogenizing device 8 realizes the gas homogenizing function, reaction precipitates on the air homogenizing holes 83 can be automatically cleaned, the air homogenizing holes 83 are prevented from being blocked, the automation degree is high, the desulfurizing tower is not required to be disassembled, the cleaning efficiency is improved, and the cleaning difficulty is reduced; after the demister at the upper end of the desulfurizing tower is used for a long time, sediment generated by bonding reaction can be adhered on the surface of the blade to influence the demisting effect, a special cleaning device is arranged at the lower end of the demister in the prior art, the cleaning of the demister is realized, the normal demisting effect of the demister is ensured, but the desulfurizing tower structure is more complicated, the desulfurizing cost is improved, the occupied area of the desulfurizing tower is increased, and the desulfurizing tower is inconvenient to use, by arranging the spraying device 9, when the desulfurizing tower normally works, the spraying device 9 plays a normal atomizing and spraying role, the valve 94 on the first water inlet 3 is closed, when the demisting layer 10 at the upper end of the spraying device 9 needs to be cleaned, the valve 94 on the first liquid inlet 7 is closed, the valve 94 on the first water inlet 3 is opened, and the spraying device 9 can utilize the waterproof motor 98 inside the first water inlet 3 to cooperate with the ball bearing 96 to drive the spraying pipe 92 to rotate, the side, provided with the spray holes, of the spray pipe 92 is turned upwards, and then the first water inlet 3 is used for washing the demisting layer 10, so that the spray device 9 has the spraying and cleaning functions at the same time, the use is convenient, and the problem that the normal demisting effect of the demisting layer 10 is ensured, but the structure of the desulfurization tower is more complicated, the desulfurization cost is improved, the occupied area of the desulfurization tower is increased, and the use is inconvenient due to the fact that a cleaning device is specially arranged in the prior art is solved; according to the invention, the anti-blocking gas uniformizing device 8 is arranged to be matched with the spraying device 9, so that the automatic and convenient cleaning of the gas uniformizing plate 81 and the demisting layer 10 is realized, the cleaning efficiency of the desulfurizing tower is improved, meanwhile, the desulfurizing tower is not required to be disassembled, the labor capacity of workers is reduced, and further, the labor cost is reduced.
As an embodiment of the present invention, as shown in fig. 6, a motor buffer 97 is disposed at a connection position between the waterproof motor 98 and an inner wall of the first water inlet 3, the motor buffer 97 includes a connection rod 971 fixedly mounted to the waterproof motor 98 and a housing 972 fixedly mounted to an inner wall of the first water inlet 3, one end of the connection rod 971 penetrates through the housing 972 and is fixedly mounted with a buffer plate 973, one end of the buffer plate 973 is fixedly mounted with a plurality of springs 976, left and right ends of the buffer plate 973 are respectively and fixedly mounted with sliders 974, a sliding slot 975 is disposed inside the housing 972, and the buffer plate 973 is slidably connected to the housing 972 through the sliders 974 and the sliding slot 975; during operation, the waterproof motor 98 arranged inside the spraying device 9 vibrates, long-time vibration can loosen the connection between the ball bearing 96 and the spraying pipe 92 and the connection between the first water inlet 3 and the mounting ring 91, the connection stability is reduced, connection falling can be seriously caused, and the normal realization of the cleaning function of the spraying device 9 is influenced.
As an embodiment of the present invention, as shown in fig. 7, an oil seal device 95 is disposed inside the mounting ring 91 at a position close to the ball bearing 96, the oil seal device 95 includes an oil storage tank 952 disposed inside the mounting ring 91, an upper end of the oil storage tank 952 penetrates through the mounting ring 91 and is provided with an oil inlet 951, a lower end of the oil storage tank 952 is provided with an oil delivery passage 953, a lower end of the oil delivery passage 953 is provided with an oil outlet 954, and an oil film cavity 955 is disposed inside the mounting ring 91 and close to a lower portion of the oil outlet 954; when the sealing device works, the sealing effect of the connecting position of the first water inlet 3 and the mounting ring 91 and the connecting position of the ball bearing 96 and the spray pipe 92 is poor, water flow is easy to leak from a crack when flowing and enters a desulfurization tower to influence the normal use of the desulfurization tower, and the normal rotation function of the spray pipe 92 can be influenced by arranging the sealing ring. The rotation of the spray pipe 92 is facilitated, and the cleaning function of the spray device 9 is facilitated.
Specifically, as shown in fig. 2, a corrosion-resistant coating 84 is sprayed on a side surface of the slide bar 85, and the corrosion-resistant coating 84 is a member made of teflon.
By adopting the technical scheme, the corrosion-resistant coating 84 is sprayed on the side surface of the slide bar 85, the corrosion-resistant coating 84 is a component made of polytetrafluoroethylene, and the corrosion-resistant coating 84 arranged on the surface of the slide bar 85 can slow down the corrosion speed of the slide bar 85 in the acidic environment of the desulfurizing tower, so that the service life of the slide bar 85 is prolonged.
Specifically, as shown in fig. 3, the length of the wire brush 86 is greater than the maximum diameter of the circular area formed by the air uniform holes 83, and the wire brush 86 is fixedly connected with the sliding sleeve 87 through a bolt.
Through adopting above-mentioned technical scheme, the length of steel wire brush 86 is greater than the circular regional maximum diameter of even gas pocket 83 formation, and when sliding sleeve 87 moved on slide bar 85, steel wire brush 86 can clear up the even gas pocket 83 place region of whole for the clearance is more thorough completely, and simultaneously, steel wire brush 86 passes through bolt and sliding sleeve 87 fixed connection, is convenient for change when steel wire brush 86 damages, has improved change efficiency.
The using method comprises the following steps: when the invention is used, firstly, an air inlet 6, an air outlet 2, a first liquid inlet 7, a second liquid inlet 12, a liquid outlet 5, a first water inlet 3 and a second water inlet 4 on the device are respectively connected with corresponding pipelines outside, the device can be used after the connection is finished, after methane passes through the air inlet 6 and is homogenized through an anti-blocking air homogenizing device 8, the methane is fully mixed and reacted with slurry sprayed out of a spraying device 9 and a spraying frame 11, hydrogen sulfide in the methane is neutralized, the neutralized methane is discharged through the air outlet 2, cleaning solution flows back to a liquid collecting tank 13 arranged at the bottom of a tower body 1 through an air homogenizing hole 83 on the anti-blocking air homogenizing device 8 and is pumped to an external biological reaction tank through a pump body and the liquid outlet 5, sulfide in the reaction tank is converted into elemental sulfur, the elemental sulfur is regenerated at the same time, and is introduced into the tower body 1 through the first liquid inlet 7 and the second liquid inlet 12 for repeated use, through the arrangement of the anti-blocking air homogenizing device 8, the biogas entering the air inlet 6 is guided by the air guide plate 82, enters the air homogenizing plate 81, is homogenized and discharged through the air homogenizing holes 83, and can be uniformly lifted to be fully contacted with slurry spray, so that the desulfurization efficiency is improved, the sliding rod 85 arranged at the upper end of the air homogenizing plate 81 can enable the sliding sleeve 87 to drive the steel wire brush 86 to regularly clean the air homogenizing holes 83 on the air homogenizing plate 81, so that precipitates generated by reaction are prevented from blocking the air homogenizing holes 83, further the washing liquid is difficult to flow back, meanwhile, the biogas is difficult to pass through the air homogenizing plate 81, the problem of inconvenient use is solved, the steel wire brush 86 is matched with the washing head 88, the air homogenizing holes 83 can be washed, the cleaning efficiency and the cleaning degree are improved, the anti-blocking air homogenizing device 8 can automatically clean the reaction precipitates on the air homogenizing holes 83 while realizing the air homogenizing effect, the even air holes 83 are prevented from being blocked, the automation degree is higher, the desulfurizing tower is not required to be disassembled, the cleaning efficiency is improved, the cleaning difficulty is reduced, by arranging the spraying device 9, when the desulfurizing tower normally works, the spraying device 9 plays a normal atomizing and spraying role, the valve 94 on the first water inlet 3 is closed, when the defogging layer 10 at the upper end of the spraying device 9 is required to be cleaned, the valve 94 on the first liquid inlet 7 is closed, the valve 94 on the first water inlet 3 is opened, the spraying device 9 can utilize the waterproof motor 98 in the first water inlet 3 to be matched with the ball bearing 96 to drive the spraying pipe 92 to rotate, so that the surface with the spraying holes on the spraying pipe 92 is turned upwards, then the water inlet of the first water inlet 3 is utilized to flush the defogging layer 10, the spraying device 9 has the spraying and cleaning functions at the same time, the use is convenient, and the problem that the cleaning device is specially arranged in the prior art is solved, although realized the clearance to defogging layer 10, guaranteed the normal defogging effect on defogging layer 10, nevertheless can make the desulfurizing tower structure more complicated, still increased desulfurizing tower area when improving the desulfurization cost, used comparatively inconvenient problem.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
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 (4)
1. The utility model provides a multistage fountain marsh gas biological desulfurizing tower, includes tower body (1), its characterized in that: the tower is characterized in that an air outlet (2) is arranged at the middle position of the upper surface of the tower body (1), a first water inlet (3) is arranged at the upper end of one side of the outer circular surface of the tower body (1), a second water inlet (4) is arranged at the middle position of one side of the outer circular surface of the tower body (1), a liquid outlet (5) is arranged at the bottom end of one side of the outer circular surface of the tower body (1), supporting legs (14) are fixedly arranged at the bottom end of the outer circular surface of the tower body (1) close to the liquid outlet (5), a first liquid inlet (7) is arranged at the upper end of the other side of the outer circular surface of the tower body (1), a second liquid inlet (12) is arranged at the lower end of the outer circular surface of the tower body (1) close to the first liquid inlet (7), an air inlet (6) is arranged at the bottom end of the other side of the outer circular surface of the tower body (1), a defogging layer (10) is arranged at the upper end of the inside of the tower body (1), a spraying frame (11) is arranged in the tower body (1) and close to the lower end of the spraying device (9), an anti-blocking gas homogenizing device (8) is arranged in the tower body (1) and close to the lower end of the spraying frame (11), and a liquid collecting tank (13) is arranged at the bottom in the tower body (1);
the anti-blocking gas homogenizing device (8) comprises a gas homogenizing plate (81) fixedly mounted on the inner wall of the tower body (1), a gas guide plate (82) is fixedly mounted at the lower end of the gas homogenizing plate (81), a plurality of gas homogenizing holes (83) are formed in the middle position of the upper surface of the gas homogenizing plate (81), a sliding rod (85) is fixedly mounted at one end of the upper surface of the gas homogenizing plate (81), a sliding sleeve (87) is connected to the side surface of the sliding rod (85) in a sleeved mode, a washing head (88) is arranged on one side of the lower end of the sliding sleeve (87), and a steel wire brush (86) is fixedly mounted on the other side of the lower end of the sliding sleeve (87);
the spraying device (9) comprises a mounting ring (91) which is fixedly arranged on the inner wall of the tower body (1) and is fixedly connected with the first water inlet (3) and the first liquid inlet (7), valves (94) are arranged on the side surfaces of the first water inlet (3) and the first liquid inlet (7), the inner circular surface of the mounting ring (91) is rotationally connected with a spray pipe (92), a ball bearing (96) is arranged inside the mounting ring (91), one end of the ball bearing (96) is fixedly connected with the first water inlet (3), one end of the spray pipe (92) penetrates through the ball bearing (96), the ball bearing (96) is fixedly connected with the spray pipe, a waterproof motor (98) is arranged in the first water inlet (3), one end of the waterproof motor (98) is fixedly provided with a connecting plate (99), and one end of the connecting plate (99) is fixedly connected with the spray pipe (92);
the inside position that is close to ball bearing (96) of collar (91) is provided with oil seal arrangement (95), oil seal arrangement (95) are including setting up in inside oil storage tank (952) of collar (91), oil storage tank (952) upper end is run through collar (91) and is provided with oil inlet (951), oil storage tank (952) lower extreme is provided with defeated oil duct (953), defeated oil duct (953) lower extreme is provided with oil outlet nozzle (954), oil film chamber (955) has been seted up to collar (91) inside being close to oil outlet nozzle (954) below.
2. The multi-stage spray type biogas biological desulfurization tower of claim 1, characterized in that: waterproof motor (98) are provided with motor buffer (97) with the hookup location of first water inlet (3) inner wall, motor buffer (97) include with waterproof motor (98) fixed mounting connecting rod (971) and fixed mounting in casing (972) of first water inlet (3) inner wall, connecting rod (971) one end runs through casing (972) and fixed mounting has buffer board (973), the one end fixed mounting of buffer board (973) has a plurality of springs (976), the left and right-hand member difference fixed mounting of buffer board (973) has slider (974), spout (975) have been seted up to casing (972) inside, slider (974), spout (975) and casing (972) sliding connection are passed through in buffer board (973).
3. The multi-stage spray type biogas biological desulfurization tower of claim 1, characterized in that: the side surface of the sliding rod (85) is sprayed with a corrosion-resistant coating (84), and the corrosion-resistant coating (84) is a component made of polytetrafluoroethylene.
4. The multi-stage spray type biogas biological desulfurization tower of claim 1, characterized in that: the length of the steel wire hairbrush (86) is larger than the maximum diameter of a circular area formed by the air homogenizing holes (83), and the steel wire hairbrush (86) is fixedly connected with the sliding sleeve (87) through a bolt.
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| CN116904240B (en) * | 2023-09-13 | 2023-11-28 | 山西德远净能环境科技股份有限公司 | Separation equipment for efficiently removing hydrogen sulfide |
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| CN208612173U (en) * | 2018-07-24 | 2019-03-19 | 江苏桂铭机械有限公司 | It is a kind of can anti-blocking good antiscale property desulfurizing tower |
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