CN207775171U - A kind of biogas desulfurization purifier - Google Patents
A kind of biogas desulfurization purifier Download PDFInfo
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- CN207775171U CN207775171U CN201721861752.2U CN201721861752U CN207775171U CN 207775171 U CN207775171 U CN 207775171U CN 201721861752 U CN201721861752 U CN 201721861752U CN 207775171 U CN207775171 U CN 207775171U
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- pipeline
- desulfurization
- desulfurizing tower
- regeneration tank
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Abstract
A kind of biogas desulfurization purifier, including desulfurizing tower 1, methane outlet pipeline 2 recycles inlet pipeline 3, cycle inlet pipeline valve 4, first circulation pump 5, regeneration tank 6, air inlet duct 7, the first wind turbine 8, sedimentation basin 9, desulfurization input duct 10, plate and frame filter press 11, desulfurization outlet pipe 12, loop exit pipeline 13, biogas inlet duct 14, the second wind turbine 15 and second circulation pump 16, and complexing ferrous solution is filled in the desulfurizing tower 1, the complexing ferrous solution is alkaline solution, between current potential is 180 to 210；The top of desulfurizing tower 1 is equipped with methane outlet pipeline 2, and the bottom of desulfurizing tower 1 is provided with biogas inlet duct 14, the second wind turbine 15 is provided on biogas inlet duct 14；For the utility model by desulfurizing tower 1, regeneration tank 6, plate and frame filter press 11 and connecting pipeline, which form, may be used the device that Sulfint Process carries out sulphur removal.The device carries out desulfurization using Sulfint Process to biogas, avoids the generation of secondary waste object.
Description
Technical field
The utility model is related to desulfuration field, specifically a kind of biogas desulfurization purifier.
Background technology
Biogas as a kind of emerging energy its using more and more extensive, the strict regulations in Environmental Protection in China standard utilize natural pond
When the gas energy, H2S contents must not exceed 20mg/m3 in biogas, no matter in industry or domestic gas, it is necessary to the greatest extent may be used
The removing H2S of energy.At present in farming and animal husbandry, common biogas desulfurization method is dry desulfurization, and this method is suitble to hydrogen sulfide to contain
Low, narrow-minded engineering project is measured, but this sulfur method needs to regularly replace solid desulfurating agent, it is certain to cause
Solid waste；Industrially, common biogas is often PDS wet desulphurizations with sulfur method, this kind of method is by lye and to take off
Sulphur agent is mixed using the method for atomizing spray with biogas, and hydrogen sulfide in gas is sloughed, and is relatively suitble to large-minded, hydrogen sulfide content height
Project, but this sulfur method will produce secondary waste object, and in addition the processing of waste water and discharge costs are too high after desulfurization；Separately
Outer relatively common desulfurization method also has biological desulphurization, but biological desulphurization is practical in operation, and desulfurization effect is generally percent
98 or so, and biological desulphurization also has the discharge of a certain amount of sulfuric acid wastewater containing.All there is secondary waste object in above-mentioned three kinds of methods
Generation, be unfavorable for the protection of environment.
Utility model content
In order to solve the above-mentioned technical problem deficiency, the utility model provide a kind of biogas desulfurization purifier, the device
Using Sulfint Process to biogas carry out desulfurization, avoid the generation of secondary waste object, and realize energy consumption it is low, consumption alkali
Amount is less and the high effect of desulfuration efficiency.
To achieve the above object, the technical scheme that the utility model is provided is as follows：Including desulfurizing tower, methane outlet pipeline,
Recycle inlet pipeline, cycle inlet pipeline valve, first circulation pump, regeneration tank, air inlet duct, the first wind turbine, sedimentation basin,
Desulfurization input duct, plate and frame filter press, desulfurization outlet pipe, loop exit pipeline, biogas inlet duct, the second wind turbine, second
Circulating pump, sediment conduit and loop exit pipeline valve, it is characterised in that：Complexing ferrous solution, institute are filled in the desulfurizing tower
It is alkaline solution to state complexing ferrous solution, between current potential is -180 to -210；The top of the desulfurizing tower is equipped with methane outlet pipe
The bottom in road, desulfurizing tower is provided with biogas inlet duct, and the second wind turbine is provided on biogas inlet duct；Under the desulfurizing tower
End is connected with one end of cycle inlet pipeline, and the other end for recycling inlet pipeline is arranged in the lower end of regeneration tank and communicates therewith,
Cycle inlet pipeline valve and first circulation pump are provided on cycle inlet pipeline；Be provided at the top of the regeneration tank air into
Mouthful pipeline is provided with the first wind turbine on air inlet duct, and the bottom of regeneration tank is connected with sedimentation basin by sediment conduit, described
Sediment conduit is the gradually smaller conical pipeline of radius from top to bottom；The sedimentation basin is located at the underface of regeneration tank;It is described
One end of the bottom connection desulfurization input duct of sedimentation basin, the import of the other end connection plate and frame filter press of desulfurization input duct
End, one end of the outlet end connection desulfurization outlet pipe of plate and frame filter press, the other end connection regeneration tank of desulfurization outlet pipe
Top simultaneously communicates therewith；One end of the side connection loop exit pipeline of the regeneration tank, the other end of loop exit pipeline connect
It connects the bottom of desulfurizing tower and communicates therewith, loop exit pipeline valve and second circulation pump are provided on loop exit pipeline.
In order to further realize the technical program, following technical scheme can also be used：It is also set up on the desulfurizing tower
There is electric controller, potential measurement instrument is provided in desulfurizing tower, electric controller is connected with potential measurement instrument and the second wind turbine respectively.Institute
Be additionally provided with electric controller on the regeneration tank stated, be provided with potential measurement instrument in regeneration tank, electric controller respectively with potential measurement instrument
It is connected with the first wind turbine.The side of the regeneration tank is provided with liquid level tube, and liquid level tube is transparent material, the liquid level tube
One end is arranged in the side upper end of regeneration tank and communicates therewith, the other end of liquid level tube be arranged the side upper end of sediment conduit simultaneously
It communicates therewith.Second wind turbine is roots blower.First wind turbine is Aeration fan.
The beneficial effects of the utility model are：The utility model passes through desulfurizing tower, regeneration tank, plate and frame filter press and connection
Pipeline, which forms, may be used the device that Sulfint Process carries out sulphur removal.Its concrete operating principle is divided into sweetening process, regeneration
The recycling process of slot oxidation-reduction process, the extraction process of elemental sulfur and solution：
1. sweetening process：Valve is closed, biogas by biogas inlet duct and enters desulfurization by the pressurization of the second wind turbine
Tower, biogas enter desulfurizing tower from the bottom of desulfurizing tower, are sufficiently mixed with complexing ferrous solution in a manner of bubbling, the vulcanization in biogas
Hydrogen generates sulphur hydrogen radical ion in the complexing ferrous solution cell reaction of alkalinity, low potential, passes through ferric ion in Complexing Iron
With sulphur hydrogen radical ionic reaction, ferric ion is reduced into low price iron ion, and generates elemental sulfur, is suspended in solution.
2. regeneration tank oxidation-reduction process：Valve is opened, is carried the solution after being reacted in desulfurizing tower using first circulation pump
It is raised in regeneration tank, air is blasted using the first wind turbine, with oxygen reduction reaction occurs for liquid after making desulfurization, regenerates trivalent
Iron ion, and hydroxide ion is formed, meanwhile, the elemental sulfur in regeneration tank in doctor solution enters sedimentation basin by precipitation.
3. the extraction process of elemental sulfur：The liquid in sedimentation basin is pressed into plate and frame filter press using first circulation pump, is passed through
Filter press extrudes elemental sulfur, and liquid reflux reenters regeneration tank.
4. the recycling process of solution：The liquid in regeneration tank can be sucked to weight in desulfurizing tower by second circulation pump
It is multiple to utilize progress desulfurization.
Using the present apparatus carry out desulfurization realize energy consumption it is low, alkali consumption is few, and the effect that desulfuration efficiency is high.Using the present apparatus
It carries out desulfurization to generate without secondary waste object, unique byproduct is elemental sulfur, but elemental sulfur recoverable, realizes resource and returns
It receives and recycles.It is carried out using the present apparatus for the desulfurizer that desulfurization is compared used in PDS methods, total floor space is small, for sulphur
It is low to change hydrogen content, for narrow-minded processing item, miniature desulfurizer may be implemented.The utility model also has structure letter
Single, advantage of low cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
The structural schematic diagram for the device that desulfurization is carried out to sulfurous gas that Fig. 1 the utility model embodiments provide.
Reference numeral：
1 desulfurizing tower, 2 methane outlet pipeline 3 recycle 5 first circulation of inlet pipeline 4 valve pump 6 regeneration tank, 7 air into
11 plate and frame filter press of mouth pipeline 8 first wind turbine, 9 sedimentation basin, 10 desulfurization input duct, 12 desulfurization outlet pipe 13 recycles
15 second wind turbine of mouth pipeline, 16 second circulation pumps 17 sediment conduit, 18 loop exit pipeline valve, 19 liquid level tube.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this practicality
It is novel, it is not used to limit the utility model.
A kind of biogas desulfurization purifier, as shown in Figure 1, including desulfurizing tower 1, methane outlet pipeline 2, cycle inlet pipeline
3, cycle inlet pipeline valve 4, first circulation pump 5, regeneration tank 6, air inlet duct 7, the first wind turbine 8, sedimentation basin 9, desulfurization
Input duct 10, plate and frame filter press 11, desulfurization outlet pipe 12, loop exit pipeline 13, biogas inlet duct 14, the second wind turbine
15, second circulation pumps 16, sediment conduit 17 and loop exit pipeline valve 18, and complexing ferrous solution is filled in the desulfurizing tower 1,
The complexing ferrous solution is alkaline solution, between current potential is -180 to -210；The top of the desulfurizing tower 1 is equipped with methane outlet
The bottom of pipeline 2, desulfurizing tower 1 is provided with biogas inlet duct 14, and the second wind turbine 15 is provided on biogas inlet duct 14；It is described
The lower end of desulfurizing tower 1 is connected with one end of cycle inlet pipeline 3, and the other end of cycle inlet pipeline 3 is arranged under regeneration tank 6
It holds and communicates therewith, recycle and be provided with cycle inlet pipeline valve 4 and first circulation pump 5 on inlet pipeline 3；The regeneration tank 6
Top be provided with air inlet duct 7, be provided with the first wind turbine 8 on air inlet duct 7, it is heavy that the bottom of regeneration tank 6 passes through
Shallow lake pipeline 17 is connected with sedimentation basin 9, and the sediment conduit 17 is the gradually smaller conical pipeline of radius from top to bottom；It is described heavy
Shallow lake pond 9 is located at the underface of regeneration tank 6;One end of the bottom connection desulfurization input duct 10 of the sedimentation basin 9, desulfurization inlet tube
The input end of the other end connection plate and frame filter press 11 in road 10, the outlet end connection desulfurization outlet pipe 12 of plate and frame filter press 11
One end, the top of the other end connection regeneration tank 6 of desulfurization outlet pipe 12 simultaneously communicate therewith；The side of the regeneration tank 6 connects
One end of loop exit pipeline 13, the bottom of the other end connection desulfurizing tower 1 of loop exit pipeline 13 simultaneously communicate therewith, recycle
Loop exit pipeline valve 18 and second circulation pump 16 are provided on mouth pipeline 13.Preferably, 4 He of cycle import tube valve
Loop exit pipeline valve 18 is ball valve, and the utility model passes through desulfurizing tower 1, regeneration tank 6, sedimentation basin 9, circulating pump, sheet frame pressure
Filter 11 and connecting pipeline, which form, may be used the device that Sulfint Process carries out sulphur removal.Its concrete operating principle is divided into
The recycling process of sweetening process, regeneration tank oxidation-reduction process, the extraction process of elemental sulfur and solution：
One, sweetening process：Cycle inlet pipeline valve 4 is closed, biogas is by biogas inlet duct 14 and passes through the second wind
The pressurization of machine 15 enters desulfurizing tower 1, and biogas enters desulfurizing tower from the bottom of desulfurizing tower 1, in a manner of bubbling with complexing ferrous solution
It is sufficiently mixed, the hydrogen sulfide gas in biogas generates sulphur hydrogen radical ion in the complexing ferrous solution cell reaction of alkalinity, low potential, leads to
Ferric ion and sulphur hydrogen radical ionic reaction in Complexing Iron are crossed, ferric ion is reduced into low price iron ion, and generates elemental sulfur,
It is suspended in solution.
Two, regeneration tank oxidation-reduction process：Cycle inlet pipeline valve 4 is opened, 5 are pumped by desulfurizing tower 1 using first circulation
In solution elevating to regeneration tank 6 after middle reaction, air is blasted using the first wind turbine, liquid is restored with oxygen after making desulfurization
Reaction, regenerates ferric ion, and form hydroxide ion, meanwhile, the elemental sulfur in regeneration tank 6 in doctor solution is by heavy
It forms sediment and enters sedimentation basin.
Three, the extraction process of elemental sulfur：The liquid in sedimentation basin 9 is pressed into plate and frame filter press 11 using first circulation pump 5,
Elemental sulfur is extruded by filter press 11, liquid reflux reenters regeneration tank.
Four, the recycling process of solution：Cycle inlet pipeline valve 4 is closed, loop exit pipeline valve 18 is opened, is led to
The liquid in regeneration tank 6 can be sucked recycling progress desulfurization in desulfurizing tower 1 by crossing second circulation pump 16.It is carried out using the present apparatus
Desulfurization realize energy consumption it is low, alkali consumption is few, and the effect that desulfuration efficiency is high.Desulfurization is carried out without secondary waste produce using the present apparatus
Raw, unique byproduct is elemental sulfur, but elemental sulfur recoverable, realizes resource reclaim recycling.Using the present apparatus into
Row desulfurization is compared for the desulfurizer used in PDS methods, and total floor space is small, low for hydrogen sulfide content, narrow-minded place
For reason project, miniature desulfurizer may be implemented.
The reaction process can be described with following below formula：
Cell reaction formula H2S=H++HS
H2S+OH=HS+H2O
Precipitation reaction formula HS-+2Fe 3+L→H+ +S↓+2Fe 2+L (L=chelating agents)
Regenerative response formula 1/2O2+H2O+2Fe2+L→2OH- +2Fe3+L
Oxidability in order to ensure complexing ferrous solution in desulfurizing tower is best, and is preferably electrolysed to H2S, described
Desulfurizing tower 1 on be additionally provided with electric controller, be provided in desulfurizing tower 1 potential measurement instrument and PH meter, electric controller respectively with current potential
Analyzer and the second wind turbine 15 are connected.Potential detector monitors the electrical potential information of solution in real time, and is passed to electric controller,
And in electric controller be arranged current potential lower bound alarm and lower bound interlocking, signal can interlocked startup or close the second wind turbine 15, work as desulfurization
When solution potential is higher than -180 in tower 1, the second wind turbine stops, and wind turbine air inflow is reduced, and lowers the peroxidating of Complexing Iron, reduces network
Close iron loss.When solution potential is less than -210 in desulfurizing tower 1, the second wind turbine starts, and air inflow increases, and improves the oxidation of Complexing Iron
Ability.
Reducing power in order to ensure solution in regeneration tank 6 is best, and electric controller is additionally provided on the regeneration tank 6,
Potential measurement instrument is provided in regeneration tank 6, electric controller is connected with potential measurement instrument and the first wind turbine 8 respectively.It is molten in raw slot 6
When liquid current potential is higher than -160, electric controller controls 8 air inflow of the first wind turbine and reduces, and lowers crossing for Complexing Iron and restores, reduces Complexing Iron
Loss；When current potential is less than -185, electric controller controls 8 air inflow of the first wind turbine and increases, and improves the reducing power of Complexing Iron.To
The current potential of solution and redox ability in regeneration tank is set to be in optimum state always.
It in order to which the liquid level in regeneration tank 6 can be monitored in real time, and then can overflow, and hold to avoid 6 liquid of regeneration tank
The side on the opportunity of liquid level in reclaiming slot 6, the regeneration tank 6 is provided with liquid level tube 19, and liquid level tube 19 is transparent material,
One end of the liquid level tube 19 is arranged in the side upper end of regeneration tank 6 and communicates therewith, and the other end setting of liquid level tube 19 is heavy
The side upper end of shallow lake pipeline 17 simultaneously communicates therewith.Liquid level tube 19 is equivalent to the communicating pipe of regeneration tank 6 and sediment conduit 17, therefore logical
The height for crossing liquid level in liquid level tube 19 judges the height of liquid level in regeneration tank 6.
Preferably, second wind turbine 15 is roots blower.First wind turbine 8 is Aeration fan.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example is merely to illustrate the technical solution of the utility model simultaneously
Non- is limitations of the present invention, and the utility model is described in detail with reference to preferred embodiment, this field
It is to be appreciated by one skilled in the art that those skilled in the art were made in the essential scope of the utility model
Variations, modifications, additions or substitutions should also belong to the claim protection of the utility model without departure from the objective of the utility model
Range.
Claims (6)
1. a kind of biogas desulfurization purifier, including desulfurizing tower（1）, methane outlet pipeline（2）, cycle inlet pipeline（3）, cycle
Inlet pipeline valve（4）, first circulation pump（5）, regeneration tank（6）, air inlet duct（7）, the first wind turbine（8）, sedimentation basin
（9）, desulfurization input duct（10）, plate and frame filter press（11）, desulfurization outlet pipe（12）, loop exit pipeline（13）, biogas enters
Mouth pipeline（14）, the second wind turbine（15）, second circulation pump（16）, sediment conduit（17）With loop exit pipeline valve（18）,
It is characterized in that：The desulfurizing tower（1）Inside it is filled with complexing ferrous solution, the complexing ferrous solution is alkaline solution, current potential is-
Between 180 to -210；The desulfurizing tower（1）Top be equipped with methane outlet pipeline（2）, desulfurizing tower（1）Bottom be provided with natural pond
Gas inlet duct（14）, biogas inlet duct（14）On be provided with the second wind turbine（15）；The desulfurizing tower（1）Lower end be connected with
Recycle inlet pipeline（3）One end, recycle inlet pipeline（3）The other end be arranged in regeneration tank（6）Lower end and communicate therewith,
Recycle inlet pipeline（3）On be provided with cycle inlet pipeline valve（4）It is pumped with first circulation（5）；The regeneration tank（6）Top
It is provided with air inlet duct（7）, air inlet duct（7）On be provided with the first wind turbine（8）, regeneration tank（6）Bottom pass through
Sediment conduit（17）It is connected with sedimentation basin（9）, the sediment conduit（17）For the gradually smaller conical pipe of radius from top to bottom
Road；The sedimentation basin（9）Positioned at regeneration tank（6）Underface;The sedimentation basin（9）Bottom connect desulfurization input duct（10）
One end, desulfurization input duct（10）The other end connect plate and frame filter press（11）Input end, plate and frame filter press（11）Go out
Mouth end connects desulfurization outlet pipe（12）One end, desulfurization outlet pipe（12）The other end connect regeneration tank（6）Top simultaneously
It communicates therewith；The regeneration tank（6）Side connect loop exit pipeline（13）One end, loop exit pipeline（13）It is another
End connection desulfurizing tower（1）Bottom and communicate therewith, loop exit pipeline（13）On be provided with loop exit pipeline valve（18）
It is pumped with second circulation（16）.
2. a kind of biogas desulfurization purifier according to claim 1, it is characterised in that：The desulfurizing tower（1）It is upper to go back
It is provided with electric controller, in desulfurizing tower（1）Inside be provided with potential measurement instrument and PH meter, electric controller respectively with potential measurement instrument and second
Wind turbine（15）It is connected.
3. a kind of biogas desulfurization purifier according to claim 1, it is characterised in that：The regeneration tank（6）It is upper to go back
It is provided with electric controller, in regeneration tank（6）Inside be provided with potential measurement instrument, electric controller respectively with potential measurement instrument and the first wind turbine
（8）It is connected.
4. a kind of biogas desulfurization purifier according to claim 1 or 2 or 3, it is characterised in that：The regeneration tank
（6）Side be provided with liquid level tube（19）, liquid level tube（19）For transparent material, the liquid level tube（19）One end setting regenerating
Slot（6）Side upper end and communicate therewith, liquid level tube（19）The other end be arranged in sediment conduit（17）Side upper end and with
It is communicated.
5. a kind of biogas desulfurization purifier according to claim 4, it is characterised in that：Second wind turbine（15）For
Roots blower.
6. a kind of biogas desulfurization purifier according to claim 4, it is characterised in that：First wind turbine（8）For
Aeration fan.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721861752.2U CN207775171U (en) | 2017-12-27 | 2017-12-27 | A kind of biogas desulfurization purifier |
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| CN201721861752.2U CN207775171U (en) | 2017-12-27 | 2017-12-27 | A kind of biogas desulfurization purifier |
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| CN207775171U true CN207775171U (en) | 2018-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130147A (en) * | 2017-12-27 | 2018-06-08 | 山东明硕新能源科技有限公司 | A kind of biogas desulfurization purifier |
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2017
- 2017-12-27 CN CN201721861752.2U patent/CN207775171U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130147A (en) * | 2017-12-27 | 2018-06-08 | 山东明硕新能源科技有限公司 | A kind of biogas desulfurization purifier |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No.8, Xihuan Road, Yeyuan street, Linqu County, Weifang City, Shandong Province Patentee after: Mingshuo Environmental Technology Group Co., Ltd Address before: 262605 No.8, Xihuan Road, Yeyuan Town, Linqu County, Weifang City, Shandong Province Patentee before: SHANDONG MINGSHUO NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| CP03 | "change of name, title or address" |