CN209143848U - A kind of biogas biological oxidation desulfurizer - Google Patents
A kind of biogas biological oxidation desulfurizer Download PDFInfo
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- CN209143848U CN209143848U CN201821802844.8U CN201821802844U CN209143848U CN 209143848 U CN209143848 U CN 209143848U CN 201821802844 U CN201821802844 U CN 201821802844U CN 209143848 U CN209143848 U CN 209143848U
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- desulfurization
- desulfurization pond
- biological oxidation
- pond
- biogas
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model is to be related to biogas desulfurization technical field about a kind of biogas biological oxidation desulfurizer.The technical solution mainly used are as follows: a kind of biogas biological oxidation desulfurizer includes: desulfurization pond, aerating pipelines, heating element, insulating layer, alkali liquid tank, monitoring device.Wherein, desulfurization pond is for containing the nutrient solution containing desulfurization bacterium；Aerating pipelines are laid in desulfurization pond；Closed at one end, air compressor of the other end for being connected to outside desulfurization pond of aerating pipelines；Several solarization air caps are densely covered on aerating pipelines；Heating element is layed in the desulfurization pond body；Insulating layer is provided on the outer wall in desulfurization pond；Alkali liquid tank is connected to by the first pipeline with the desulfurization pond, and is provided with valve on first pipeline；Monitoring device is for monitoring the dissolved oxygen amount in the desulfurization pond, pH value, temperature.The utility model is mainly used for providing a kind of biogas biological oxidation desulfurizer, and suitable environment can be provided for the metabolic activity of desulfurization bacterium, to improve biological desulphurization effect.
Description
Technical field
The utility model relates to a kind of biogas desulfurization technical fields, fill more particularly to a kind of biogas biological oxidation desulfurization
It sets.
Background technique
Biogas is a kind of reproducible high-grade clean energy resource, and its components include methane (60-70%), carbon dioxide
(25-40%) and a small amount of hydrogen sulfide (rotten-egg odour), ammonia, hydrogen etc..Wherein, hydrogen sulfide is sulfur-containing compound micro-
It is formed during biological reducing, has very strong corrosiveness to combustion powered devices and metallic conduit, two generated of burning
Sulfur oxide and sulfur trioxide are the important predecessors of environmental acidification, have biggish harm.Therefore, in order to avoid hydrogen sulfide corrosion
Compressor, gas reservoir, engine etc. and hydrogen sulfide poisoning is avoided, biogas needs to carry out desulfurization process before the use.And
And correlation standard, it is used for civilian central gas supply, biogas to be not more than 20mg/m containing flow3, for the gas supply that generates electricity, sulfur-bearing
Amount is not more than 200mg/m3。
In the prior art, biogas desulfurization technology mainly has desulfurization by dry method, wet hair desulfurization technology and biological desulphurization skill
Art.Wherein, desulfurization by dry method is turned into using the physical action and chemical oxygen of solid absorbent (iron oxide, active carbon etc.)
With Oxidation of Hydrogen Sulfide is generated elemental sulfur and sulfate, is primarily adapted for use in the low biogas of hydrogen sulfide content.Wet desulphurization is to utilize
The liquid-absorbants such as lye absorb hydrogen sulfide, regenerate recycling after lye absorption saturation, are suitable for hydrogen sulfide content height or stream
Measure big biogas.Biological desulfurizing technology is using the sulfur-oxidizing bacteria in active desulfurization sludge by H2S turns through biological oxidation process
Turn to elemental sulfur or sulfate radical.The desulfuration efficiency of desulfurization by dry method is unstable, and desulfurizing agent is easily saturated, and sulfur capacity is low, needs regular
Replacement, operating cost is high, easily causes secondary pollution.The absorbent consumption of Wet Flue Gas Desulfurization Technique is big, and removal efficiency is low, and operation is tired
It is difficult.Compared with dry desulfurization and wet hair desulfurization technology, the process flow of biological desulfurizing technology is simple and convenient to operate, is efficiently easily-controllable
System, operating cost are low.
Biological desulfurization process mainly consists of two parts: (1) utilizing lye the vulcanization in biogas in chemical absorbing tower
Hydrogen elutes；(2) in the bioreactor the Oxidation of Hydrogen Sulfide in absorbing liquid at elemental sulfur.For second part, biology
It is most important to the effect of biological oxidation desulfurization whether reactor can provide suitable environment for the metabolic activity of desulfurization bacterium.
Utility model content
In view of this, the present invention provides a kind of biogas biological oxidation desulfurizer, main purpose is to be desulfurization
The metabolic activity of bacterium provides suitable environment, to improve biological desulphurization effect.
In order to achieve the above objectives, the utility model mainly provides the following technical solutions:
On the one hand, the embodiments of the present invention provide a kind of biogas biological oxidation desulfurizer comprising:
Desulfurization pond, the desulfurization pond is for containing the nutrient solution containing desulfurization bacterium；
Aerating pipelines, the aeration tube road are laid in the desulfurization pond；Wherein, the aeration tube road is closed at one end,
The other end is used for the air compressor being connected to outside the desulfurization pond；The aeration tube road is densely covered with several solarization air caps；
Heating element, the heating element are layed in the desulfurization pond body；
Insulating layer is provided with insulating layer on the outer wall in the desulfurization pond；
Alkali liquid tank, the alkali liquid tank is connected to by the first pipeline with the desulfurization pond, and is provided on first pipeline
Valve；
Monitoring device, the monitoring device is for monitoring the dissolved oxygen amount in the desulfurization pond, pH value, temperature.
Preferably, the aeration tube road includes multiple aeration single tubes disposed in parallel, and multiple aeration single tubes are sequentially communicated,
The aeration tube road is set to form the tubular structure of rugosity.
Preferably, the heating element includes the first heating element and the second heating element；Wherein, first heating unit
Part is laid on the bottom of pond in the desulfurization pond；Second heating element is laid on the side wall in the desulfurization pond.
Preferably, the heating element uses heating coil.
Preferably, the insulating layer Ceramics heat-insulating material.
Preferably, the monitoring device includes the temperature monitoring probe protruded into the desulfurization pond；Wherein,
Wherein, the temperature monitoring probe is multiple, for detecting the temperature in the desulfurization pond at multiple regions.
Preferably, the biogas biological oxidation desulfurizer further includes temperature controller；Wherein, the temperature controller point
It is not connect with the temperature monitoring probe, heating element, for controlling the temperature in desulfurization pond in the range of setting.
Preferably, the monitoring device includes the pH value monitoring probe protruded into the desulfurization pond；The biogas biology oxygen
Changing desulfurizer further includes pH value controller；Wherein, the pH value controller respectively with the pH value monitoring probe, described first
Valve connection on pipeline, for controlling the pH value in the desulfurization pond in the range of setting.
Preferably, the monitoring device includes the dissolved oxygen monitoring probe protruded into the desulfurization pond；Wherein, the biogas is raw
Object oxidation sweetening device further includes dissolved oxygen amount controller, and the dissolved oxygen amount controller is connect with air compressor.
Preferably, inlet and overflow launder are provided on the desulfurization pond；Wherein, the inlet is for being connected to chemical suction
Receive the lye collection device of tower；Wherein,
The biogas biological oxidation desulfurizer further includes sedimentation basin, and the overflow launder in the sedimentation basin and the desulfurization pond connects
It is logical, it is separated by solid-liquid separation for the spillage to desulfurization pond；
Guiding region, decanting zone, settling zone are set gradually into the sedimentation basin in the flow direction along liquid；Wherein, institute
Stating guiding region includes the deflector for being connected to the sedimentation basin inner wall；It is provided with bracket in the decanting zone, pacifies on the bracket
It is equipped with inclined tube, to promote fixer to separate；The settling zone is pyramidal structure；Wherein, the settling zone is connected with sludge pipe, with
Sludge is discharged by sludge pipe；Overflow port is provided on the sedimentation basin, wherein the overflow port is arranged to triangular-notch weir, with
Intercept the surface scum of overflowing liquid.
Compared with prior art, the biogas biological oxidation desulfurizer of the utility model at least has following
The utility model has the advantages that
Biogas biological oxidation desulfurizer provided by the embodiment of the utility model by desulfurization pond be laid with aerating pipelines,
Heating element is arranged insulating layer in desulfurization pond outer wall and is connected to alkali liquid tank and is detected by monitoring device molten in desulfurization pond
Oxygen amount, pH value, temperature monitor the internal environment in desulfurization pond in real time to realize, it is ensured that the internal environment in desulfurization pond is tieed up
It holds in the environment for being suitable for desulfurization bacterium.
Further, biogas biological oxidation desulfurizer provided by the embodiment of the utility model is monitored by design temperature and is controlled
Device processed, pH value monitor controller, dissolved oxygen amount monitor controller, the interior environment in biological oxidation desulfurization pond are maintained suitable
Suitable environment reduces the generation of sulfate to make hydrogen sulfide more be oxidized to sulphur simple substance as much as possible.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for biogas biological oxidation desulfurizer that the embodiments of the present invention provide；
Fig. 2 is the structural schematic diagram for another biogas biological oxidation desulfurizer that the embodiments of the present invention provide.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to specific embodiment, structure, feature and its function according to the present utility model application
Effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same implementation
Example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
Embodiment 1
The present embodiment provides a kind of biogas biological oxidation desulfurizers, as depicted in figs. 1 and 2 comprising: desulfurization pond 2 exposes
Air pipe 24, heating element 202, insulating layer 201, alkali liquid tank 5, monitoring device.Wherein, desulfurization is contained for containing in desulfurization pond 2
The nutrient solution of bacterium (aerobic thiophilic bacteria)；Aerating pipelines 24 are laid in the desulfurization pond 2；Wherein, the aeration tube road 24
Closed at one end, the other end is used for the air compressor 25 being connected to outside the desulfurization pond, to be met in the pond body 20 by aeration
The dissolved oxygen demand of microbial metabolism；Several solarization air caps are densely covered on the aeration tube road 24.The heating element 202 is layed in
In the desulfurization pond 2；Insulating layer 201 is provided on the outer wall 20 in the desulfurization pond 2；The alkali liquid tank 5 passes through the first pipeline 51
It is connected to the desulfurization pond 2, and is provided with valve 52 on first pipeline.The monitoring device is for monitoring the desulfurization pond
Dissolved oxygen amount, pH value in 2, temperature.
Biogas biological oxidation desulfurizer provided in this embodiment in desulfurization pond by being laid with aerating pipelines, heating unit
Part, desulfurization pond outer wall be arranged insulating layer and be connected to alkali liquid tank and by monitoring device detection desulfurization pond in dissolved oxygen amount,
PH value, temperature monitor the internal environment in desulfurization pond in real time to realize, it is ensured that the internal environment in desulfurization pond maintains suitable
In the environment of suitable desulfurization bacterium.
Preferably, the aeration tube road 24 includes multiple aeration single tubes disposed in parallel, and multiple aeration single tubes successively connect
It is logical, so that the aeration tube road is formed the tubular structure of rugosity.
Preferably, the heating element 202 uses heating coil.The heating element 202 include the first heating element and
Second heating element；Wherein, first heating element is laid on the bottom of pond in the desulfurization pond 2；The second heating element paving
It is located at the side wall in the desulfurization pond 2；Setting can make the intracorporal temperature in pond uniform as much as possible in this way.The insulating layer Ceramics
Heat-insulating material.
Embodiment 2
Preferably, the present embodiment provides a kind of biogas biological oxidation desulfurizer, compared with a upper embodiment, such as Fig. 1 and
Shown in Fig. 2, the present embodiment further designs as follows:
Preferably, monitoring device includes the temperature monitoring probe 22 protruded into the desulfurization pond 2；Wherein, the temperature prison
Probing head 22 be it is multiple, be distributed at the different location in desulfurization pond 2, accurately to determine the intracorporal temperature in pond.The natural pond
Gas biological oxidation desulfurizer further includes temperature controller 21；Wherein, the temperature controller 21 respectively with the temperature monitoring
Probe 22, heating element 202 connect, for by desulfurization pond 2 temperature control in the range of setting (between 28 DEG C -35 DEG C,
Control environment is provided for the biological metabolism activity of desulfurization bacterium).
Preferably, the monitoring device includes the pH value monitoring probe 27 protruded into the desulfurization pond 2；The biogas biology
Oxidation sweetening device further includes pH value controller；Wherein, the pH value controller respectively with the pH value monitoring probe, described
Valve connection on one pipeline, according to the pH value detected, whether control valve 52 is opened, for will be in the desulfurization pond
PH value controls in the range of setting (pH value is controlled in 6.8-7.5).
Preferably, the monitoring device includes the dissolved oxygen monitoring probe (not shown) protruded into the desulfurization pond；Wherein, institute
Stating biogas biological oxidation desulfurizer further includes dissolved oxygen amount controller, and the dissolved oxygen amount controller is connect with air compressor 25.
Dissolved oxygen amount controller controls the unlatching of air compressor 25 according to dissolved oxygen amount, and realizing makes dissolved oxygen amount in the pond body 20 and contain
The ratio of sulfur content is (1.8-2.2): 1, so that hydrogen sulfide is more oxidized to sulphur simple substance, reduces the generation of sulfate.
Biogas biological oxidation desulfurizer provided in this embodiment passes through design temperature monitor controller, pH value monitoring control
Device processed, dissolved oxygen amount monitor controller, maintain control environment for the interior environment in biological oxidation desulfurization pond, with as much as possible
So that hydrogen sulfide is more oxidized to sulphur simple substance, reduces the generation of sulfate.
Embodiment 3
Preferably, the present embodiment provides a kind of biogas biological oxidation desulfurizers, compared with above-described embodiment, such as Fig. 1 and
Shown in Fig. 2, the present embodiment further designs as follows:
Inlet 28 and overflow launder 29 are provided on the desulfurization pond 2；Wherein, the inlet 28 is for being connected to chemical suction
Receive the lye collection device of tower；Wherein, the biogas biological oxidation desulfurizer further includes sedimentation basin 3, the sedimentation basin 3 and institute
The overflow launder connection for stating desulfurization pond 2, is separated by solid-liquid separation for the spillage to desulfurization pond.
Preferably, guiding region, decanting zone, settling zone are set gradually into sedimentation basin 3 in the flow direction along liquid；Its
In, the guiding region includes the deflector 31 for being connected to the sedimentation basin inner wall, is provided with bracket in decanting zone, is disposed on bracket
There is inclined tube 32, to promote fixer to separate；Settling zone is pyramidal structure；Wherein, settling zone is connected with sludge pipe, so that sludge is logical
Cross sludge pipe discharge；Overflow port 35 is provided on the sedimentation basin, wherein overflow port 35 is arranged to triangular-notch weir, to intercept overflow
The surface scum of liquid.Specifically, sedimentation basin includes to match liquid guiding region, decanting zone, settling zone.Sedimentation basin inner wall welds deflector,
Optimize fluid flow characteristics, guarantees effect of settling.Rectangle support is welded in sedimentation basin, disposes plastic pipe chute, and inclination angle is 60 degree, is promoted
Into separation of solid and liquid.Settling zone is pyramidal structure, and precipitating sludge is discharged by perforated sludge discharge pipe.
Guiding region, decanting zone are set gradually into the flow direction along liquid in sedimentation basin provided in this embodiment and are sunk
Shallow lake area；Liquid guide flow is entered in decanting zone 31 by deflector 31 in guiding region, by being mounted on bracket in decanting zone 31
Inclined tube 32, to promote fixer to separate, sludge pipe is discharged again after precipitating precipitating by settling zone；Above-mentioned setting can ensure that
Solid-liquid separation effect；The liquid clay content for ensuring that overflow goes out is less.
To sum up, with lye reverse mass transfer occurs for biogas in chemical absorbing tower, and lye will be after the hydrogen sulfide absorption in biogas
Obtain sulfur-bearing lye.Sulfur-bearing lye flows into biogas biological oxidation desulfurizer provided in this embodiment and carries out at biological oxidation desulfurization
Reason；It is suitable for utilizing it by controlling the internal environment in desulfurization pond in biogas biological oxidation desulfurizer in the present embodiment
In aerobic thiophilic bacteria as far as possible by sulfide oxidation be elemental sulfur；Entered finally, biological desulphurization pond goes out liquid by overflow launder
In sedimentation basin, act on obtaining regeneration lye through precipitation and separation.
To sum up, biogas biological oxidation desulfurizer provided by the embodiment of the utility model is aerated by being laid in desulfurization pond
Pipeline, is arranged insulating layer and connection alkali liquid tank in desulfurization pond outer wall and detects desulfurization pond by monitoring device heating element
Interior dissolved oxygen amount, pH value, temperature monitor the internal environment in desulfurization pond in real time to realize, it is ensured that the inside in desulfurization pond
Environment maintains in the environment of suitable desulfurization bacterium.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of biogas biological oxidation desulfurizer, characterized in that it comprises:
Desulfurization pond, the desulfurization pond is for containing the nutrient solution containing desulfurization bacterium；
Aerating pipelines, the aeration tube road are laid in the desulfurization pond；Wherein, the aeration tube road is closed at one end, another
Hold the air compressor for being connected to outside the desulfurization pond；The aeration tube road is densely covered with several solarization air caps；
Heating element, the heating element are layed in the desulfurization pond；
Insulating layer is provided with insulating layer on the outer wall in the desulfurization pond；
Alkali liquid tank, the alkali liquid tank is connected to by the first pipeline with the desulfurization pond, and is provided with valve on first pipeline；
Monitoring device, the monitoring device is for monitoring the dissolved oxygen amount in the desulfurization pond, pH value, temperature.
2. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the aeration tube road includes multiple
Aeration single tube disposed in parallel, and multiple aeration single tubes are sequentially communicated, and the aeration tube road is made to form the tubular structure of rugosity.
3. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the heating element includes first
Heating element and the second heating element；Wherein, first heating element is laid on the bottom of pond in the desulfurization pond；Described second adds
Thermal element is laid on the side wall in the desulfurization pond.
4. biogas biological oxidation desulfurizer according to claim 1 or 3, which is characterized in that the heating element uses
Heating coil.
5. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the insulating layer Ceramics are exhausted
Hot material.
6. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the monitoring device includes protruding into
Temperature monitoring probe in the desulfurization pond；Wherein,
Wherein, the temperature monitoring probe is multiple, for detecting the temperature in the desulfurization pond at multiple regions.
7. biogas biological oxidation desulfurizer according to claim 6, which is characterized in that the biogas biological oxidation desulfurization
Device further includes temperature controller；Wherein, the temperature controller is connect with the temperature monitoring probe, heating element respectively,
For controlling the temperature in desulfurization pond in the range of setting.
8. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the monitoring device includes protruding into
PH value monitoring probe in the desulfurization pond；The biogas biological oxidation desulfurizer further includes pH value controller；Wherein, described
PH value controller is connect with the valve on the pH value monitoring probe, first pipeline respectively, and being used for will be in the desulfurization pond
PH value control in the range of setting.
9. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that the monitoring device includes protruding into
Dissolved oxygen monitoring probe in the desulfurization pond；Wherein, the biogas biological oxidation desulfurizer further includes dissolved oxygen amount controller, institute
Dissolved oxygen amount controller is stated to connect with air compressor.
10. biogas biological oxidation desulfurizer according to claim 1, which is characterized in that be provided on the desulfurization pond
Inlet and overflow launder；Wherein, the inlet is used to be connected to the lye collection device of chemical absorbing tower；Wherein,
The biogas biological oxidation desulfurizer further includes sedimentation basin, and the sedimentation basin is connected to the overflow launder in the desulfurization pond,
It is separated by solid-liquid separation for the spillage to desulfurization pond；
Guiding region, decanting zone, settling zone are set gradually into the sedimentation basin in the flow direction along liquid；Wherein, described to lead
Flowing area includes the deflector for being connected to the sedimentation basin inner wall；It is provided with bracket in the decanting zone, is mounted on the bracket
Inclined tube, to promote fixer to separate；The settling zone is pyramidal structure；Wherein, the settling zone is connected with sludge pipe, so that dirty
Mud is discharged by sludge pipe；Overflow port is provided on the sedimentation basin, wherein the overflow port is arranged to triangular-notch weir, to intercept
The surface scum of overflowing liquid.
Priority Applications (1)
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| CN201821802844.8U CN209143848U (en) | 2018-11-02 | 2018-11-02 | A kind of biogas biological oxidation desulfurizer |
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| CN201821802844.8U CN209143848U (en) | 2018-11-02 | 2018-11-02 | A kind of biogas biological oxidation desulfurizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968637A (en) * | 2020-07-22 | 2022-01-25 | 北京时代桃源环境科技股份有限公司 | High-efficient controllable marsh gas biological desulfurization regeneration tank |
-
2018
- 2018-11-02 CN CN201821802844.8U patent/CN209143848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113968637A (en) * | 2020-07-22 | 2022-01-25 | 北京时代桃源环境科技股份有限公司 | High-efficient controllable marsh gas biological desulfurization regeneration tank |
| CN113968637B (en) * | 2020-07-22 | 2023-08-29 | 北京时代桃源环境科技股份有限公司 | High-efficient controllable marsh gas biological desulfurization regeneration tank |
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