CN205683843U - Bio-desulfurization device - Google Patents
Bio-desulfurization device Download PDFInfo
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- CN205683843U CN205683843U CN201620619471.5U CN201620619471U CN205683843U CN 205683843 U CN205683843 U CN 205683843U CN 201620619471 U CN201620619471 U CN 201620619471U CN 205683843 U CN205683843 U CN 205683843U
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- biological reactor
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- desulfurization device
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
This utility model relates to a kind of bio-desulfurization device, including at least one biological reactor, biological reactor connects feed tube and drain pipe, being provided with the cylindrical inner shell of aeration head and upper and lower both ends open in biological reactor, biological reactor inner space is divided into enclosure interior aeration zone and hull outside settling zone by inner shell；Aeration head is arranged at the bottom of aeration zone, and feed tube is arranged at the top of aeration zone, and drain pipe is arranged at the top of settling zone.This utility model simple in construction, aeration are easily controllable, flow into nutritional solution from absorbing liquid and flow out, and liquid stream direction clearly and is stablized, and the sulfur of reproducibility is oxidized to sulfur simple substance by controlled, and biotransformation efficiency is high.
Description
Technical field
This utility model relates to biological desulfurizing technology field, specifically, relating to a kind of bio-desulfurization device, being used for removing
Reproducibility hydrogen sulfide in absorbing liquid.
Background technology
Gas storage device, conveyance conduit are all corrosive by the gas containing hydrogen sulfide, before gas is utilized, need
The hydrogen sulfide contained in gas is removed.The most conventional hydrogen sulfide desulfurization technology has chemical method and bioanalysis.
Chemical desulfurization method utilizes oxidisability desulfurizing agent and hydrogen sulfide to carry out redox reaction, generates elemental sulfur, thus de-
Remove the hydrogen sulfide in gas.But the oxidisability desulfurizing agent that chemical method uses is limited for service life, needs to regenerate in time replacing, operation
Complexity, and easily cause secondary pollution.
Biological desulfurization utilizes the nutritional solution rich in sulfide-oxidation microorganism, carries out the hydrogen sulfide in gas dissolving and inhales
Attached, carry out metabolism using oxygen as electron acceptor, be finally converted into elemental sulfur and sulphuric acid through hydrogen sulfide, dissolve and be adsorbed with hydrogen sulfide
Absorbing liquid, reaction equation mainly has a following two:
H2S+2O2=H2SO4
2H2S+O2=2S+2H2O
Chinese patent literature CN 101053765 A discloses a kind of methane bio-desulfurization device, the dissolving of hydrogen sulfide is inhaled
Attached stage apparatus and hydrogen sulfide are converted into the regeneration stage apparatus integration design of elemental sulfur and sulphuric acid, can overcome oxygen in device
The most out of contior shortcoming of content, temperature and humidity, but the aeration process that the growth and breeding of sulfide-oxidation microorganism needs is difficult
To control, being easily introduced the impurity such as nitrogen, oxygen in aeration excess air stream, the introduction volume of foreign gas is more than 1.5%, except increasing
Outside energy consumption, and it is easily generated excess sulfuric acid, equipment causes corrosion, aeration deficiency affect desulfurized effect.
Chinese patent literature CN 101597529 A discloses a kind of methane bio-desulfurization device, including desulfurizing tower, in institute
It is provided with packing layer in stating desulfurizing tower, is provided with biogas air inlet, sewage draining exit and liquid outlet in the bottom of packing layer, at described packing layer
Be arranged over gas outlet and inlet, also include the absorption that described desulfurizing tower liquid outlet is discharged by a regeneration tank and
Liquid squeezes into the pump of regeneration tank, has air inlet and air inlet pipe to ventilate with the absorbing liquid in regeneration tank, carry out aeration bottom regeneration tank
With the dissolved oxygen content of control absorbing liquid volume, described regeneration tank liquid outlet also connects with a subsider, so that in absorbing liquid
Elemental sulfur is settlement separate, and subsider top has purified liquor outlet and a lean liquid bath to communicate, and the liquid outlet of lean liquid bath is by absorbing
Liquid pump connects with the inlet of circulating line with described desulfurizing tower, and precipitum floss hole is arranged at subsider bottom.Molten by hydrogen sulfide
Desorption stage apparatus and hydrogen sulfide be converted into elemental sulfur and sulphuric acid regeneration stage device split design, service cycle length, peace
Entirely.In this patent documentation, absorbing liquid feed tube is arranged on bottom regenerating unit, and the function division in regenerating unit is indefinite, deposits
Causing short stream at reaction dead zone, the oxidizing process of hydrogen sulfide is difficult to control to, and element sulphur is oxidized to sulphuric acid more, body in course of reaction
Being that pH value decline is excessive too fast, be about reduced to about 3.0, on the one hand affect desulfurized effect, on the other hand system pH is too low to setting
For easily causing corrosion.
Utility model content
The purpose of this utility model is to be difficult to control to for aeration present in biological desulphurization process, corrosive equipment,
The problems referred to above such as desulfurized effect difference, it is provided that the biological desulphurization dress that a kind of simple in construction, desulfurized effect are good, aeration is easily controllable
Put.
The technical solution of the utility model is: a kind of bio-desulfurization device, including at least one biological reactor, biological anti-
Answer tank to connect and have feed tube and drain pipe, in biological reactor, be provided with the cylindrical inner shell of aeration head and upper and lower both ends open,
Biological reactor inner space is divided into enclosure interior aeration zone and hull outside settling zone by inner shell；Aeration head is arranged at aeration
The bottom in district, feed tube is arranged at the top of aeration zone, and drain pipe is arranged at the top of settling zone.By inner shell by biological respinse
Tank is divided into aeration zone and settling zone, reduces the impact that the precipitation of settling zone elemental sulfur is caused by the disturbance of aeration zone system.?
Aeration zone, feed tube is arranged on top, and aeration head is arranged on bottom, and absorbing liquid contacts with oxygen fully, without short flow phenomenon.Right
It is adsorbed with during the regeneration of absorption solution of hydrogen sulfide is nutritional solution, by biological reactor and hydrogen sulfide absorption device in gas stream
It is provided separately, aeration process will not add in the gas stream need desulfurization other foreign gases (such as nitrogen, oxygen etc.).
Further, biological reactor is two and during two or more, and multiple biological reactors are sequentially connected in series, and previous
The drain pipe of biological reactor is connected with the feed tube of later biological reactor.Design multiple biological reactor, can basis
It is adsorbed with the regeneration situation of the absorbing liquid of hydrogen sulfide, selects to use the quantity of biological reactor, improve biotransformation efficiency.
As preferably, feed tube is integral type structure, is set to straight tube or angle is the bend pipe of α, wherein, and 135 °≤α ＜
180°.Feed tube is set to bend pipe, can select the different bend pipe of angle according to the situation of water quality and quantity, in order to enter at feed tube
Forming eddy flow during liquid, reaction zone, without dead angle, is improved the absorbing liquid mixing effect in aeration zone, is made absorbing liquid fill with oxygen
Tap is touched and is reacted.
As preferably, when feed tube is split-type structural, including straight-tube portion and inclined tube part, straight-tube portion and inclined tube portion
/ angle be α, 135 °≤α≤180 °.Can be according to the situation of water quality and quantity by the straight-tube portion of feed tube and inclined tube
Part forms the bend pipe of different angles, in order to form eddy flow during feed tube feed liquor, and reaction zone, without dead angle, is improved and inhaled
Receive the liquid mixing effect in aeration zone, make absorbing liquid be fully contacted with oxygen and react.
Further, the lower section of aeration zone is provided with dividing plate, prevents disturbing influence biological respinse pot bottom heavy of aeration zone
Shallow lake effect.
As preferably, the width of dividing plate, more than the diameter of inner shell, prevents the disturbing influence biological respinse of aeration zone further
The sedimentation effect of pot bottom.
As preferably, dividing plate is set to taper, and the elemental sulfur contributing to precipitation falls into the bottom of biological reactor.
Further, the bottom of biological reactor connects sulphur discharging pipeline, logical after the sulfur simple substance precipitation that mud and oxidation generate
Cross sulphur discharging pipeline and discharge biological reactor.
As preferably, the bottom of biological reactor is set to inverted cone, contribute to elemental sulfur and mud fast deposition and
Discharge.
Further, the bottom of biological reactor is provided with supporting leg.Supporting leg supports biological reactor, it is simple to the mud after precipitation
The sulfur simple substance generated with oxidation discharges biological reactor from sulphur discharging pipeline.
The beneficial effects of the utility model are:
(1) this utility model is by being controlled reaction condition, and the hydrogen sulfide in absorbing liquid is converted into sulfur simple substance, sulfur
Simple substance is by settlement separate discharge, and the nutritional solution of regeneration can be recirculated to desulfurizing tower and absorb hydrogen sulfide, and reaction system is weak base
Property, hydrogen sulfide dissolves advantages of good adsorption effect, and biotransformation efficiency is high.
(2) this utility model is flowed into nutritional solution outflow from absorbing liquid, and its liquid stream direction clearly and is stablized, the sulfur of reproducibility
It is oxidized to sulfur simple substance by controlled.
(3) with inner shell at an angle, reaction system forms eddy flow in aerated space to the mouth of pipe of this utility model feed tube,
Reaction zone, without dead angle, can significantly improve the coefficient of oxygen utilization in aeration, and coefficient of oxygen utilization can improve to more than 25% from about 18%, and one
Aspect can reduce biological respinse tank volume, reduces investment, on the other hand can reduce aeration energy consumption, reduces operating cost.
(4) biological reactor is divided into aeration zone and settling zone by the inner shell arranged by this utility model, reduces aeration
The impact that the precipitation of settling zone elemental sulfur is caused by the disturbance of district's system, biological respinse pot bottom is set to inverted cone, helps
Fast deposition and discharge in elemental sulfur.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model specific embodiment one.
Fig. 2 be in this utility model Fig. 1 A-A to sectional view.
Fig. 3 is the structural representation of this utility model specific embodiment two.
In figure, 1, biological reactor, 2, feed tube, 3, drain pipe, 4, aeration head, 5, inner shell, 6, aeration zone, 7, precipitation
District, 8, dividing plate, 9, sulphur discharging pipeline, 10, supporting leg.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
Specific embodiment one: as it is shown in figure 1, a kind of bio-desulfurization device, including biological reactor 1, biological reactor 1 is even
It is connected to feed tube 2 and drain pipe 3, in biological reactor 1, is provided with the cylindrical inner shell 5 of aeration head 4 and upper and lower both ends open, interior
Biological reactor inner space is divided into enclosure interior aeration zone 6 and hull outside settling zone 7 by shell 5；Aeration head 4 is arranged at exposure
The bottom in gas district 6, feed tube 2 is arranged at the top of aeration zone 6, and drain pipe 3 is arranged at the top of settling zone 7.Will by inner shell
Biological reactor is divided into aeration zone and settling zone, reduces what the precipitation of settling zone elemental sulfur was caused by the disturbance of aeration zone system
Impact.In aeration zone, feed tube is arranged on top, and aeration head is arranged on bottom, and absorbing liquid contacts with oxygen fully, existing without short stream
As.During the regeneration of absorption solution being adsorbed with hydrogen sulfide is nutritional solution, by biological reactor and hydrogen sulfide in gas stream
Absorption plant is provided separately, and will not add other foreign gases (such as nitrogen, oxygen in aeration process in the gas stream need desulfurization
Gas etc.).
In the present embodiment, seeing Fig. 2, feed tube 2 is integral type structure, is set to the bend pipe that angle α is 150 °.Feed liquor
Pipe is designed as bend pipe, forms eddy flow during feed tube feed liquor, and absorbing liquid stirring in aeration zone, without dead angle, is improved in reaction zone
Mix effect, make absorbing liquid be fully contacted with oxygen and react.
In the present embodiment, seeing Fig. 1, the lower section of aeration zone 6 is provided with dividing plate 8, and the disturbing influence preventing aeration zone is biological
Sedimentation effect bottom retort.
In the present embodiment, the width of dividing plate 8 is more than the diameter of inner shell, and the disturbing influence preventing aeration zone further is biological
Sedimentation effect bottom retort.
In the present embodiment, aforementioned barriers 8 is set to taper, and the elemental sulfur contributing to precipitation falls into the end of biological reactor
Portion.
In the present embodiment, seeing Fig. 1, the bottom of biological reactor 1 connects sulphur discharging pipeline 9, and mud and oxidation generate
Biological reactor is discharged by sulphur discharging pipeline 9 after sulfur simple substance precipitation.
In the present embodiment, seeing Fig. 1, the bottom of biological reactor 1 is set to inverted cone, contributes to elemental sulfur and mud
Fast deposition and discharge.
In the present embodiment, seeing Fig. 1, the bottom of biological reactor 1 is provided with supporting leg 10, is used for supporting biological reactor,
The sulfur simple substance being easy to the mud after precipitation and oxidation generation discharges biological reactor from sulphur discharging pipeline.
As the extension of the present embodiment, feed tube can also select angle α to be 145 °, 155 °, the different angle angles such as 165 °
The bend pipe of degree.The different bend pipe of angle can be selected, it is achieved shape during feed tube feed liquor according to the situation of water quality and quantity
Becoming eddy flow, the absorbing liquid mixing effect in aeration zone, without dead angle, is improved in reaction zone, makes absorbing liquid and oxygen be fully contacted generation anti-
Should.
Bio-desulfurization device in the present embodiment, be suitable for water quality and quantity less carry out biology containing hydrogen sulfide absorption liquid
Desulfurization processes.
When using the bio-desulfurization device in the present embodiment that the absorbing liquid containing hydrogen sulfide is processed, containing hydrogen sulfide
Absorbing liquid enter into the aeration zone of biological reactor from feed pipe, absorbing liquid now is dissolved with hydrogen sulfide, therefore its pH value
Relatively low.The sulfur of the reproducibility that the microorganism in aeration zone contains under normal temperature and pressure and aerobic conditions in absorbing liquid adsorbs and turns
Turning to sulfur simple substance, in this course of reaction, basicity increases again, and absorbing liquid is regenerated as nutritional solution, and its reaction equation is as follows:
2HS-+O2=2S ↓+2OH-
Aeration zone is mingled with substantial amounts of sulfur simple substance and the nutritional solution of activated sludge (wherein containing a large amount of desulfurization microorganism),
The settling zone of biological reactor it is flowed into, due to sulfur simple substance and the rising of activated sludge from the gap formed between inner shell and dividing plate
Speed relatively nutritional solution is slow, the most precipitated gets off, and is deposited on the bottom of biological reactor, discharges biological respinse by sulphur discharging pipeline
Tank.
Specific embodiment two: see Fig. 3, unlike embodiment one, in the present embodiment, biological reactor 1 is arranged
There are two, the series connection of two biological reactors, and the feed liquor of the drain pipe of previous biological reactor and later biological reactor
Pipe is connected.Bio-desulfurization device in the present embodiment, further, biological transformation ratio is higher for its desulfurized effect relatively embodiment one.
Bio-desulfurization device in the present embodiment, be suitable for water quality and quantity bigger carry out biology containing hydrogen sulfide absorption liquid
Desulfurization processes.
Its operation principle is with embodiment one.
Specific embodiment three: unlike embodiment one, in the present embodiment, feed tube 2 is split-type structural, including
Straight-tube portion and inclined tube part, the angle α between straight-tube portion and inclined tube part is 160 °.Feed tube is designed as bent pipe fashion,
Forming eddy flow during feed tube feed liquor, reaction zone at the mixing effect of aeration zone, makes absorption without dead angle, raising absorbing liquid
Liquid is fully contacted with oxygen and reacts.
As the extension of the present embodiment, can be according to the situation of water quality and quantity by the straight-tube portion of feed tube and inclined tube part
Form the bend pipe of different angle α, such as: composition angle α is 140 °, 150 °, the bend pipe of 170 °.Can according to water quality and quantity not
Same situation, selects the straight-tube portion of feed tube and the angle of inclined tube part, it is achieved form eddy flow during feed tube feed liquor,
Reaction zone, without dead angle, is improved the absorbing liquid mixing effect in aeration zone, is made absorbing liquid be fully contacted with oxygen and react.
Its operation principle is with embodiment one.
As the extension of above-described embodiment, no matter feed tube is set to bend pipe or the split-type structural of integral structure,
All can select different angle according to the situation of water quality and quantity, in order to during feed tube feed liquor, form eddy flow, reaction zone
Without dead angle, improve the absorbing liquid mixing effect in aeration zone, make absorbing liquid be fully contacted with oxygen and react.
As the extension of above-described embodiment, this utility model bio-desulfurization device can arrange multiple biological reactor, many
Individual biological reactor is sequentially connected in series, and the feed tube phase of the drain pipe of previous biological reactor and later biological reactor
Even.According to the regeneration situation of the absorbing liquid being adsorbed with hydrogen sulfide, select to use the quantity of biological reactor, improve bioconversion effect
Rate.
Above-described embodiment is used for explaining this utility model rather than limiting this utility model, at this utility model
Spirit and scope of the claims in, any modifications and changes that this utility model is made, both fall within this practicality new
The protection domain of type.
Claims (10)
1. a bio-desulfurization device, it is characterised in that: including at least one biological reactor, biological reactor connects feed liquor
Pipe and drain pipe, be provided with the cylindrical inner shell of aeration head and upper and lower both ends open in biological reactor, inner shell is by biological respinse
Tank inner space is divided into enclosure interior aeration zone and hull outside settling zone；Aeration head is arranged at the bottom of aeration zone, feed liquor
Pipe is arranged at the top of aeration zone, and drain pipe is arranged at the top of settling zone.
2. bio-desulfurization device as claimed in claim 1, it is characterised in that: biological reactor is two and during two or more,
Multiple biological reactors are sequentially connected in series, and the feed tube phase of the drain pipe of previous biological reactor and later biological reactor
Even.
3. bio-desulfurization device as claimed in claim 1, it is characterised in that: feed tube is integral type structure, is set to straight tube
Or angle is the bend pipe of α, wherein, 135 °≤α ＜ 180 °.
4. bio-desulfurization device as claimed in claim 1, it is characterised in that: feed tube is split-type structural, including straight sections
Dividing and inclined tube part, the angle between straight-tube portion and inclined tube part is α, 135 °≤α≤180 °.
5. bio-desulfurization device as claimed in claim 1, it is characterised in that: the lower section of aeration zone is provided with dividing plate.
6. bio-desulfurization device as claimed in claim 5, it is characterised in that: the width of dividing plate is more than the diameter of inner shell.
7. the bio-desulfurization device as described in claim 5 or 6 any one, it is characterised in that: dividing plate is set to taper.
8. bio-desulfurization device as claimed in claim 1, it is characterised in that: the bottom of biological reactor connects sulphur discharging pipeline.
9. the bio-desulfurization device as described in claim 1 or 8 any one, it is characterised in that: the bottom of biological reactor sets
It is set to inverted cone.
10. bio-desulfurization device as claimed in claim 9, it is characterised in that: the bottom of biological reactor is provided with supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619471.5U CN205683843U (en) | 2016-06-22 | 2016-06-22 | Bio-desulfurization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620619471.5U CN205683843U (en) | 2016-06-22 | 2016-06-22 | Bio-desulfurization device |
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| CN205683843U true CN205683843U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620619471.5U Active CN205683843U (en) | 2016-06-22 | 2016-06-22 | Bio-desulfurization device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975594A (en) * | 2019-12-16 | 2020-04-10 | 肖飞 | Biological desulphurization device with feedback regulation |
| CN112870944A (en) * | 2021-01-15 | 2021-06-01 | 昆明理工大学 | Treatment device and treatment method for flue gas desulfurization, mercury removal and resource recovery |
| 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 |
-
2016
- 2016-06-22 CN CN201620619471.5U patent/CN205683843U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110975594A (en) * | 2019-12-16 | 2020-04-10 | 肖飞 | Biological desulphurization device with feedback regulation |
| CN110975594B (en) * | 2019-12-16 | 2021-11-12 | 上海正泽环保科技有限公司 | Biological desulphurization device with feedback regulation |
| 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 |
| CN112870944A (en) * | 2021-01-15 | 2021-06-01 | 昆明理工大学 | Treatment device and treatment method for flue gas desulfurization, mercury removal and resource recovery |
| CN112870944B (en) * | 2021-01-15 | 2023-09-29 | 昆明理工大学 | Treatment device and treatment method for flue gas desulfurization and mercury removal and resource recovery |
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