CN112807951A - Purification and desulfurization device for anaerobic biogas digester - Google Patents

Purification and desulfurization device for anaerobic biogas digester Download PDF

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Publication number
CN112807951A
CN112807951A CN202110022071.1A CN202110022071A CN112807951A CN 112807951 A CN112807951 A CN 112807951A CN 202110022071 A CN202110022071 A CN 202110022071A CN 112807951 A CN112807951 A CN 112807951A
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CN
China
Prior art keywords
absorption tower
cavity
purification
pipe
biogas digester
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Pending
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CN202110022071.1A
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Chinese (zh)
Inventor
赵晓刚
李双建
姚明
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Anqing Hulk Environmental Technology Co ltd
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Anqing Hulk Environmental Technology Co ltd
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Priority to CN202110022071.1A priority Critical patent/CN112807951A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/05—Biogas
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/20—Capture or disposal of greenhouse gases of methane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention relates to the technical field of desulfurization devices, in particular to a purification desulfurization device for an anaerobic biogas digester, which can improve the desulfurization purification rate of gas in the biogas digester, improve the purification effect, prevent atmospheric pollution and improve the practicability; including first absorption tower, the second absorption tower, the fan, the grid layer, defogging mechanism, shower and filter screen, vertical distribution about first absorption tower and the second absorption tower, be provided with first cavity and second cavity in first absorption tower and the second absorption tower respectively, first absorption tower left end top and second absorption tower top are provided with air inlet and gas outlet respectively, first cavity and second cavity are linked together through communicating pipe, the mounting hole has been seted up to the top in the first cavity, fan fixed mounting is in the mounting hole, front end and rear end all are provided with the swash plate of longitudinal symmetry in the first cavity, the grid layer is placed on two sets of swash plates, grid layer bottom front side and rear side contact with two sets of swash plate tops respectively.

Description

Purification and desulfurization device for anaerobic biogas digester
Technical Field
The invention relates to the technical field of desulfurization devices, in particular to a purification desulfurization device for an anaerobic biogas digester.
Background
As is well known, the purification and desulfurization device for the anaerobic biogas digester is a device for purifying and desulfurizing the gas in the biogas digester to prevent air pollution, and is widely used in the field of desulfurization devices; the purification and desulfurization treatment efficiency of the existing anaerobic biogas digester is poor, the purification is not thorough, the purification speed is low, the purification progress is influenced, and after the anaerobic biogas digester is used for a long time, sewage impurities are easily stained in an absorption tower and are difficult to clean, so that the practicability is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the purification and desulfurization device for the anaerobic methane tank, which can improve the desulfurization and purification speed of the gas in the methane tank, improve the purification effect, prevent atmospheric pollution, automatically clean sewage impurities in the absorption tower, prevent blockage and improve the practicability.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a purification and desulfurization device for an anaerobic biogas digester comprises a first absorption tower, a second absorption tower, a fan, a grating layer, a demisting mechanism, a spray pipe and a filter screen, wherein the first absorption tower and the second absorption tower are vertically distributed from left to right, a first cavity and a second cavity are respectively arranged in the first absorption tower and the second absorption tower, the top of the left end of the first absorption tower and the top of the second absorption tower are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are respectively communicated with the first cavity and the second cavity, the first cavity and the second cavity are communicated through a communication pipe, the top in the first cavity is provided with a mounting hole, the fan is fixedly arranged in the mounting hole, the output end of the fan faces downwards, the front end and the rear end in the first cavity are respectively provided with a front-back symmetrical inclined plate, the grating layer is arranged on the two groups of inclined plates, the front side and the rear side of the bottom end of the grating layer are respectively contacted, the left end of the first absorption tower is provided with an opening, the opening corresponds to the left ends of the two groups of inclined plates, a buckle cover is arranged in the opening, the demisting mechanism is fixedly arranged in the first cavity, the demisting mechanism is positioned below the grating layer, the spray pipe is fixedly sleeved at the periphery of the second absorption tower, the inner wall of the spray pipe is uniformly provided with a plurality of groups of nozzles, the plurality of groups of nozzles are communicated with the first cavity, the right side of the second absorption tower is provided with a water circulation mechanism, the water circulation mechanism is connected with the spray pipe, the filter screen is fixedly arranged in the second cavity, the filter screen is positioned above the plurality of groups of nozzles, the rear side of the second absorption tower is provided with a speed reduction motor, the output end of the speed reduction motor is provided with a gear box, the output end is provided with a rotating shaft, the bottom of the second absorption tower is provided with a rectangular cavity, the, the front end of the rotating shaft is fixedly provided with a driving bevel gear, a driven bevel gear is arranged in the rectangular cavity, the driven bevel gear is positioned above the driving bevel gear and meshed with the driving bevel gear, the middle of the top end of the driven bevel gear is provided with a connecting shaft, the middle of the bottom end of the second cavity is provided with a connecting hole, the connecting hole is communicated with the rectangular cavity, the connecting shaft extends into the second cavity from the bottom end of the connecting hole, the top end of the connecting shaft is provided with a stirring fan in a transmission manner, the bottom end of the stirring fan is evenly provided with three groups of scraping.
Preferably, an air inlet pipe and an air outlet pipe are respectively communicated and arranged in the air inlet and the air outlet, and an exhaust fan is arranged in the air outlet pipe.
Preferably, the water circulation mechanism comprises a circulation water tank, a circulation slurry pump, a water inlet pipe and a water outlet pipe, the circulation water tank is located on the right side of the second absorption tower, the circulation slurry pump is installed on the top end of the circulation water tank, the bottom end of the water inlet pipe is connected with the circulation slurry pump, the top end of the water inlet pipe is communicated with the spray pipe, the water outlet pipe is installed at the bottom of the right end of the second absorption tower, the water outlet pipe is communicated with the second cavity, and the right end of the second water outlet pipe is communicated with the.
Preferably, a protective cover is arranged at the top end of the air outlet pipe.
Preferably, the left end faces of the top ends of the two groups of inclined plates are lower than the inner bottom end faces of the opening.
Preferably, a handle is arranged on the left side of the top end of the grid layer.
Preferably, the top end of the second absorption tower is provided with a pressure gauge, and the pressure gauge is connected with an alarm.
Preferably, an overflow pipe is arranged at the bottom end of the front end of the second absorption tower, the overflow pipe is communicated with the second cavity, and an overflow valve is arranged on the overflow pipe.
Preferably, the plurality of groups of nozzles are all high-pressure atomizing nozzles.
(III) advantageous effects
Compared with the prior art, the invention provides a purification and desulfurization device for an anaerobic biogas digester, which has the following beneficial effects: the device for purifying and desulfurizing the anaerobic methane tank comprises a gas inlet, a fan, a first absorption tower, a second absorption tower, a water circulation mechanism, a plurality of groups of nozzles, a plurality of groups of circulating pipes, a plurality of groups of spray pipes, a plurality of groups of air outlets, a plurality of groups of air outlets, simultaneously, drive pivot and initiative bevel gear through gear motor and rotate, initiative bevel gear meshes with driven bevel gear mutually, drive driven bevel gear and connecting axle through initiative bevel gear and rotate, thereby drive stirring fan and three group's scraper blades from the bottom rotation in the second cavity, clear up the second cavity bottom through three group's rubber layers on the three group's scraper blades, help exporting sewage impurity simultaneously, through opening the buckle closure, clear away the granule impurity on the grid layer, can improve the desulfurization purification rate of gaseous in the methane-generating pit, improve purifying effect, prevent the atmosphere pollution, and can clear up the sewage impurity in the absorption tower automatically, prevent to block up, and the practicality is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a portion of FIG. 1 at A in accordance with the present invention;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1 at B in accordance with the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 2 at C in accordance with the present invention;
in the drawings, the reference numbers: 1. a first absorption tower; 2. a second absorption tower; 3. a fan; 4. a grid layer; 5. a demisting mechanism; 6. a shower pipe; 7. a filter screen; 8. a first cavity; 9. a second cavity; 10. a communicating pipe; 11. a sloping plate; 12. covering; 13. a nozzle; 14. an air inlet pipe; 15. an air outlet pipe; 16. an exhaust fan; 17. a circulating water tank; 18. a circulating slurry pump; 19. a water inlet pipe; 20. a water outlet pipe; 21. a protective cover; 22. a handle; 23. a pressure gauge; 24. an alarm; 25. an overflow pipe; 26. an overflow valve; 27. a reduction motor; 28. a gear case; 29. a rotating shaft; 30. a rectangular cavity; 31. a driving bevel gear; 32. a driven bevel gear; 33. a connecting shaft; 34. a stirring fan; 35. a squeegee; 36. a rubber layer.
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.
Referring to fig. 1-4, the purification and desulfurization device for the anaerobic biogas digester comprises a first absorption tower 1, a second absorption tower 2, a fan 3, a grid layer 4, a defogging mechanism 5, a spray pipe 6 and a filter screen 7, wherein the first absorption tower 1 and the second absorption tower 2 are vertically distributed from left to right, a first cavity 8 and a second cavity 9 are respectively arranged in the first absorption tower 1 and the second absorption tower 2, an air inlet and an air outlet are respectively arranged at the top of the left end of the first absorption tower 1 and the top end of the second absorption tower 2, the air inlet and the air outlet are respectively communicated with the first cavity 8 and the second cavity 9, the first cavity 8 and the second cavity 9 are communicated through a communicating pipe 10, a mounting hole is arranged at the top end in the first cavity 8, the fan 3 is fixedly arranged in the mounting hole, the output end of the fan 3 faces downwards, front and rear ends in the first cavity 8 are respectively provided with a tilted plate 11 which is symmetrical front and rear, the grating layer 4 is placed on the two groups of inclined plates 11, the front side and the rear side of the bottom end of the grating layer 4 are respectively contacted with the top ends of the two groups of inclined plates 11, the left end of the first absorption tower 1 is provided with an opening, the opening corresponds to the left ends of the two groups of inclined plates 11, a buckle cover 12 is arranged in the opening, the demisting mechanism 5 is fixedly arranged in the first cavity 8, the demisting mechanism 5 is positioned below the grating layer 4, the spray pipe 6 is fixedly sleeved on the periphery of the second absorption tower 2, the inner wall of the spray pipe 6 is uniformly provided with a plurality of groups of nozzles 13, the plurality of groups of nozzles 13 are all communicated with the first cavity 8, the right side of the second absorption tower 2 is provided with a water circulation mechanism, the water circulation mechanism is connected with the spray pipe 6, the filter screen 7 is fixedly arranged in the second cavity 9, the filter screen 7 is positioned above the plurality of nozzles, the output end of the speed reducing motor 27 is provided with a gear box 28, the output end is provided with a rotating shaft 29, the bottom of the second absorption tower 2 is provided with a rectangular cavity 30, the rear end in the rectangular cavity 30 is provided with a rotating hole, the rotating shaft 29 extends into the rectangular cavity 30 from the rear end of the rotating hole, the front end of the rotating shaft 29 is fixedly provided with a driving bevel gear 31, the rectangular cavity 30 is internally provided with a driven bevel gear 32, the driven bevel gear 32 is positioned above the driving bevel gear 31 and is meshed with the driving bevel gear 31, the middle part of the top end of the driven bevel gear 32 is provided with a connecting shaft 33, the middle part of the bottom end in the second cavity 9 is provided with a connecting hole, the connecting hole is communicated with the rectangular cavity 30, the connecting shaft 33 extends into the second cavity 9 from the bottom end of the connecting hole, the top end of the connecting shaft 33 is provided, the sulfur-containing gas in the anaerobic methane tank enters a first cavity 8 in a first absorption tower 1 through a gas inlet, the sulfur-containing gas is blown downwards through a fan 3 to accelerate the gas flow, larger particle impurities in the sulfur-containing gas are filtered through a grating layer 4, the filtered particle impurities slide to the right side of the grating layer 4, the filtered gas separates and removes liquid drops contained in the gas through a demisting mechanism 5, then the gas is led into a second cavity 9 in a second absorption tower 2 through a communicating pipe 10, limestone slurry is led into a spraying pipe 6 through a water circulation mechanism, the slurry in the spraying pipe 6 is sprayed to the center of the second cavity 9 through a plurality of groups of nozzles 13 to absorb and purify the sulfur-containing component in the gas, the purified gas absorbs harmful substances in the gas through a filter screen 7, and the absorbed clean gas is discharged through a gas outlet, simultaneously, the gear motor 27 drives the rotating shaft 29 and the driving bevel gear 31 to rotate, the driving bevel gear 31 is meshed with the driven bevel gear 32, the driving bevel gear 31 drives the driven bevel gear 32 and the connecting shaft 33 to rotate, so that the stirring fan 34 and the three groups of scraping plates 35 are driven to rotate from the bottom of the second cavity 9, the bottom of the second cavity 9 is cleaned through the three groups of rubber layers 36 on the three groups of scraping plates 35, the sewage impurities are led out, the buckle cover 12 is opened, the particle impurities on the grid layer 4 are cleaned, the desulfuration purification rate of gas in the methane tank can be improved, the purification effect is improved, the atmospheric pollution is prevented, the sewage impurities in the absorption tower can be automatically cleaned, the blockage is prevented, and the practicability is improved.
According to the purification and desulfurization device for the anaerobic biogas digester, the air inlet and the air outlet are respectively communicated with the air inlet pipe 14 and the air outlet pipe 15, the exhaust fan 16 is arranged in the air outlet pipe 15, gas is conveniently led in and exhausted through the air inlet pipe 14 and the air outlet pipe 15, the purified and desulfurized gas is led to be exhausted through the exhaust fan 16, and the gas flow is accelerated.
The invention relates to a purification and desulfurization device for an anaerobic biogas digester, wherein a water circulation mechanism comprises a circulation water tank 17, a circulation slurry pump 18, a water inlet pipe 19 and a water outlet pipe 20, the circulation water tank 17 is positioned at the right side of a second absorption tower 2, the circulation slurry pump 18 is arranged at the top end of the circulation water tank 17, the bottom end of the water inlet pipe 19 is connected with the circulation slurry pump 18, the top end of the water inlet pipe 19 is communicated with a spray pipe 6, the water outlet pipe 20 is arranged at the bottom of the right end of the second absorption tower 2, the water outlet pipe 20 is communicated with a second cavity 9, the right end of the second water outlet pipe 20 is communicated with the circulation water tank 17, limestone slurry in the circulation water tank 17 is introduced into the water inlet pipe 19 through the circulation slurry pump 18, the limestone slurry is brought into the spray pipe 6 through the water inlet pipe 19 and sprayed into the second cavity 9 through, and the circulating slurry pump 18 is led out to circularly spray the second cavity 9.
According to the purification and desulfurization device for the anaerobic biogas digester, the top end of the gas outlet pipe 15 is provided with the protective cover 21, the gas outlet pipe 15 is protected by the protective cover 21, and impurities and the like are prevented from entering the gas outlet pipe 15.
According to the purification and desulfurization device for the anaerobic biogas digester, the end surfaces of the left sides of the top ends of the two groups of inclined plates 11 are lower than the end surface of the inner bottom end of the opening, when the grid layer 4 can be placed on the two groups of inclined plates 11, the left end of the grid layer 4 is clamped below the opening, the grid layer 4 is fixed, the grid layer 4 is lifted, the left end of the grid layer 4 corresponds to the opening, and the grid layer 4 can be drawn out from the first cavity 8.
According to the purification and desulfurization device for the anaerobic biogas digester, the handle 22 is arranged on the left side of the top end of the grid layer 4, and the grid layer 4 is convenient to take and place through the handle 22.
According to the purification and desulfurization device for the anaerobic biogas digester, the pressure gauge 23 is arranged at the top end of the second absorption tower 2, the pressure gauge 23 is connected with the alarm 24, the pressure in the second cavity 9 is monitored in real time through the pressure gauge 23, the alarm 24 is connected with the pressure transformer, when the numerical value of the pressure gauge 23 exceeds a set value, the alarm 24 gives an alarm sound to remind an operator that the device pressure is too high, and the device is convenient for the operator to process in time.
According to the purification and desulfurization device for the anaerobic biogas digester, the overflow pipe 25 is arranged at the bottom end of the front end of the second absorption tower 2, the overflow pipe 25 is communicated with the second cavity 9, the overflow pipe 25 is provided with the overflow valve 26, sewage and impurities in the second cavity 9 can be conveniently discharged through the overflow pipe 25, and the discharge of the sewage is controlled through the overflow valve 26.
According to the purification and desulfurization device for the anaerobic biogas digester, the plurality of groups of nozzles 13 are all high-pressure atomizing nozzles, and the plurality of groups of nozzles 13 are all high-pressure atomizing nozzles, so that slurry can be uniformly sprayed conveniently, and the desulfurization effect is improved.
When the purification and desulfurization device for the anaerobic biogas digester is used, sulfur-containing gas in the anaerobic biogas digester enters a first cavity 8 in a first absorption tower 1 through a gas inlet, the sulfur-containing gas is blown downwards through a fan 3 to accelerate gas flow, larger particle impurities in the sulfur-containing gas are filtered through a grating layer 4, the filtered particle impurities slide to the right side of the grating layer 4, liquid drops contained in the gas are separated and removed through a defogging mechanism 5 after the filtered gas, then the gas is guided into a second cavity 9 in a second absorption tower 2 through a communicating pipe 10, limestone slurry in a circulating water tank 17 is guided into a water inlet pipe 19 through a circulating slurry pump 18, the slurry is brought into a spraying pipe 6 through the water inlet pipe 19, a plurality of groups of right nozzles 13 are sprayed into the second cavity 9, and the slurry in the cavities is guided into the circulating water tank 17 through a water outlet pipe 20, the circulating slurry pump 18 is used for guiding out the sewage impurities, the second cavity 9 is sprayed circularly, the slurry in the spray pipe 6 is sprayed to the center of the second cavity 9 through a plurality of groups of nozzles 13, the sulfur-containing components in the gas are absorbed and purified, the purified gas absorbs harmful substances in the gas through the filter screen 7, the absorbed clean gas is discharged through the gas outlet, meanwhile, the speed reduction motor 27 is used for driving the rotating shaft 29 and the driving bevel gear 31 to rotate, the driving bevel gear 31 is meshed with the driven bevel gear 32, the driving bevel gear 31 is used for driving the driven bevel gear 32 and the connecting shaft 33 to rotate, so as to drive the stirring fan 34 and the three groups of scrapers 35 to rotate from the inner bottom of the second cavity 9, the three groups of rubber layers 36 on the three groups of scrapers 35 are used for cleaning the bottom of the second cavity 9, the sewage impurities are guided out at the same time, and the particle impurities on, the gas is conveniently led in and discharged through the gas inlet pipe 14 and the gas outlet pipe 15, the purified and desulfurized gas is guided to be discharged through the exhaust fan 16, the gas flow is accelerated, the gas outlet pipe 15 is protected through the protective cover 21, impurities and the like are prevented from entering the gas outlet pipe 15, the left sides of the top ends of the two groups of inclined plates 11 are lower than the end surfaces of the inner bottom ends of the openings, when the grating layer 4 can be placed on the two groups of inclined plates 11, the left end of the grating layer 4 is clamped below the openings, the grating layer 4 is fixed, the grating layer 4 is lifted, the left end of the grating layer 4 corresponds to the openings, the grating layer 4 can be drawn out from the first cavity 8, the grating layer 4 can be conveniently taken and placed through the handle 22, the pressure in the second cavity 9 is monitored in real time through the pressure gauge 23, the alarm 24 is connected with pressure change, when the numerical value of the pressure gauge 23 exceeds the set value, the, the operating personnel of being convenient for in time handle, be convenient for through overflow pipe 25 with the sewage and impurity discharge in the second cavity 9, through the discharge of overflow valve 26 control sewage, multiunit nozzle 13 is high pressure atomizing nozzle, is convenient for evenly spray the thick liquid, improves desulfurization effect, can improve gaseous desulfurization purification rate in the methane-generating pit, improves purifying effect, prevents the atmosphere pollution to can clear up the sewage impurity in the absorption tower automatically, prevent to block up, improve the practicality.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
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 (9)

1. The purification and desulfurization device for the anaerobic biogas digester is characterized by comprising a first absorption tower (1), a second absorption tower (2), a fan (3), a grid layer (4), a demisting mechanism (5), a spray pipe (6) and a filter screen (7), wherein the first absorption tower (1) and the second absorption tower (2) are vertically distributed from left to right, a first cavity (8) and a second cavity (9) are respectively arranged in the first absorption tower (1) and the second absorption tower (2), an air inlet and an air outlet are respectively arranged at the top of the left end of the first absorption tower (1) and the top of the second absorption tower (2), the air inlet and the air outlet are respectively communicated with the first cavity (8) and the second cavity (9), the first cavity (8) and the second cavity (9) are communicated through a communicating pipe (10), a mounting hole is formed at the top end in the first cavity (8), the fan (3) is fixedly arranged in the mounting hole, the output end of the fan (3) faces downwards, the front end and the rear end in the first cavity (8) are respectively provided with an inclined plate (11) which is symmetrical front and back, the grating layer (4) is arranged on the two groups of inclined plates (11), the front side and the rear side of the bottom end of the grating layer (4) are respectively contacted with the top ends of the two groups of inclined plates (11), the left end of the first absorption tower (1) is provided with an opening which corresponds to the left ends of the two groups of inclined plates (11), a buckle cover (12) is arranged in the opening, the demisting mechanism (5) is fixedly arranged in the first cavity (8), the demisting mechanism (5) is positioned below the grating layer (4), the spray pipe (6) is fixedly sleeved on the periphery of the second absorption tower (2), the inner wall of the spray pipe (6) is uniformly provided with a plurality of groups of nozzles (13), and the plurality of nozzles (13) are all, the second absorption tower (2) right side is provided with water circulation mechanism, water circulation mechanism is connected with shower (6), filter screen (7) fixed mounting in second cavity (9), filter screen (7) are located multiunit nozzle (13) top, second absorption tower (2) rear side is provided with gear motor (27), gear motor (27) output is provided with gear box (28), the output is provided with pivot (29), second absorption tower (2) bottom is provided with rectangle chamber (30), the hole that changes has been seted up to the rear end in rectangle chamber (30), pivot (29) certainly change the hole rear end and stretch into in rectangle chamber (30), and pivot (29) front end is fixed and is provided with initiative bevel gear (31), is provided with driven bevel gear (32) in rectangle chamber (30), driven bevel gear (32) are located initiative bevel gear (31) top and mesh with initiative bevel gear (31), driven bevel gear (32) top middle part is provided with connecting axle (33), the connecting hole has been seted up at bottom middle part in second cavity (9), the connecting hole with rectangle chamber (30) communicate with each other, connecting axle (33) certainly the connecting hole bottom stretches into in second cavity (9), and connecting axle (33) top transmission is provided with stirring fan (34), stirring fan (34) bottom evenly is provided with three group's scraper blades (35), three group's scraper blade (35) bottom all is provided with rubber layer (36).
2. The purification and desulfurization device for the anaerobic biogas digester as claimed in claim 1, wherein an air inlet pipe (14) and an air outlet pipe (15) are respectively communicated with the air inlet and the air outlet, and an exhaust fan (16) is arranged in the air outlet pipe (15).
3. The purification and desulfurization device for the anaerobic biogas digester according to claim 2, wherein the water circulation mechanism comprises a circulation water tank (17), a circulation slurry pump (18), a water inlet pipe (19) and a water outlet pipe (20), the circulation water tank (17) is positioned at the right side of the second absorption tower (2), the circulation slurry pump (18) is installed at the top end of the circulation water tank (17), the bottom end of the water inlet pipe (19) is connected with the circulation slurry pump (18), the top end of the water inlet pipe (19) is communicated with the spray pipe (6), the water outlet pipe (20) is installed at the bottom of the right end of the second absorption tower (2), the water outlet pipe (20) is communicated with the second cavity (9), and the right end of the second water outlet pipe (20) is communicated with the circulation water tank (17).
4. The purification and desulfurization device for the anaerobic biogas digester as claimed in claim 3, characterized in that a protective cover (21) is arranged on the top end of the gas outlet pipe (15).
5. The purification and desulfurization device for the anaerobic biogas digester according to claim 4, characterized in that the left end surface of the top end of each of the two groups of inclined plates (11) is lower than the inner bottom end surface of the opening.
6. The purification and desulfurization device for the anaerobic biogas digester as claimed in claim 5, characterized in that a handle (22) is arranged on the left side of the top end of the grid layer (4).
7. The purification and desulfurization device for the anaerobic biogas digester as claimed in claim 6, characterized in that a pressure gauge (23) is arranged at the top end of the second absorption tower (2), and an alarm (24) is connected to the pressure gauge (23).
8. The purification and desulfurization device for the anaerobic biogas digester according to claim 7, characterized in that an overflow pipe (25) is arranged at the bottom of the front end of the second absorption tower (2), the overflow pipe (25) is communicated with the second cavity (9), and an overflow valve (26) is arranged on the overflow pipe (25).
9. The purification and desulfurization device for the anaerobic biogas digester as claimed in claim 8, wherein the plurality of sets of nozzles (13) are all high pressure atomizing nozzles.
CN202110022071.1A 2021-01-08 2021-01-08 Purification and desulfurization device for anaerobic biogas digester Pending CN112807951A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113414049A (en) * 2021-06-04 2021-09-21 圣托马斯先进材料公司 Intelligent atomizer and use method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2044161A1 (en) * 1989-10-19 1991-04-20 Georges Kvasnikoff Process for improved sulfure production from sulfure production unit using acid gas containing hydrogen sulfide
CN203999535U (en) * 2014-06-03 2014-12-10 湖北天双健农业开发有限公司 A kind of Marsh gas desulfurizing tower
CN106512697A (en) * 2016-11-04 2017-03-22 华电电力科学研究院 Limestone-lime combined flue gas desulfurization device
CN210251610U (en) * 2019-07-27 2020-04-07 东营市延旭环保科技有限公司 Biogas tail gas treatment device
CN211255385U (en) * 2019-07-03 2020-08-14 成都万疆久诚科技有限公司 Industrial sewage denitration and desulfurization device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2044161A1 (en) * 1989-10-19 1991-04-20 Georges Kvasnikoff Process for improved sulfure production from sulfure production unit using acid gas containing hydrogen sulfide
CN203999535U (en) * 2014-06-03 2014-12-10 湖北天双健农业开发有限公司 A kind of Marsh gas desulfurizing tower
CN106512697A (en) * 2016-11-04 2017-03-22 华电电力科学研究院 Limestone-lime combined flue gas desulfurization device
CN211255385U (en) * 2019-07-03 2020-08-14 成都万疆久诚科技有限公司 Industrial sewage denitration and desulfurization device
CN210251610U (en) * 2019-07-27 2020-04-07 东营市延旭环保科技有限公司 Biogas tail gas treatment device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113414049A (en) * 2021-06-04 2021-09-21 圣托马斯先进材料公司 Intelligent atomizer and use method thereof

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Application publication date: 20210518