CN103977703A - Biogas biological desulfurization system - Google Patents
Biogas biological desulfurization system Download PDFInfo
- Publication number
- CN103977703A CN103977703A CN201410016528.8A CN201410016528A CN103977703A CN 103977703 A CN103977703 A CN 103977703A CN 201410016528 A CN201410016528 A CN 201410016528A CN 103977703 A CN103977703 A CN 103977703A
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- CN
- China
- Prior art keywords
- biogas
- nutrient solution
- desulfurization system
- concentration
- pipeline
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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
The invention discloses a biogas biological desulfurization system, including a desulfurization tower and a nutrient solution circulating system. The desulfurization tower comprises a nutrient solution chamber, a packed bed and a sprinkling chamber; the packed bed is arranged in the sprinkling chamber, the nutrition solution chamber is provided with a nutrient solution inlet, a dilution cooling water inlet, a biogas inlet and an air inlet, and the sprinkling chamber above the packed bed is provided with a biogas outlet. The nutrient solution circulating device comprises a circulating pump, a pipe and a sprinkling head, wherein the sprinkling head is arranged on the top of the sprinkling chamber. The biogas biological desulfurization system also comprises a control device, the pipe of the air inlet is provided with an air supply controller and an air fan, the pipe of the biogas outlet is provided with a biogas oxygen concentration detector, and the air supply controller, air fan and the biogas oxygen concentration detector are respectively connected with the control device. The biogas biological desulfurization system provided by the invention has the advantages of biogas renewable utilization, safety and high degree of intelligence.
Description
Technical field
The present invention relates to biological field of energy-saving technology, relate in particular to a kind of methane bio-desulfurization system.
Background technology
In current sewage and garbage treatment process, increasing engineering project adopts anaerobic treatment process, and biogas, as a kind of derivative products, is slowly known and utilizes by us.But the H that biogas out contains higher concentration from anaerobic jar
2s and some other impurity, if biogas not carried out to desulfurization, purified treatment, can produce corrosion to biogas conveyance conduit, storage device and follow-up use equipment, reduces service life and cause potential safety hazard.So, normally first after desulfurizing and purifying is processed, recycle.
At present conventional methane bio-desulfurization system, generally by the mode of blower fan oxygen supply, increases the oxygen content in biogas, and by the effect of microorganism, by H
2s is converted into sulphur simple substance.The H of biogas desulfurization system
2s after treatment, can generate sulphur simple substance, because the sulphur simple substance amount producing after processing is considerably less, be difficult to carry out regeneration, and sulphur simple substance is in the time that temperature is high, has distillation on-the-spot, belongs to hazardous waste, banks up or transport and all have potential safety hazard in scene; In addition, the intelligent degree of the control appliance of methane bio-desulfurization system is low, and major part is carried out execute-in-place by people, and personal safety is brought to very large hidden danger.
Summary of the invention
In view of current methane bio-desulfurization system above shortcomings, the invention provides a kind of methane bio-desulfurization system that can realize biogas reproducible utilization, safety.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of methane bio-desulfurization system, comprise desulfurizing tower and nutrient solution circulating device, described desulfurizing tower is made up of nutrition liquid chamber, packed bed and spray chamber, described packed bed is positioned at spray chamber, described nutrition liquid chamber is provided with nutrient solution entrance, dilution cooling water inlet, biogas entrance and air intake, and the spray chamber of described packed bed top is provided with methane outlet; Described nutrient solution circulating device comprises circulating pump, pipeline and spray head, and described spray head is positioned at the top of spray chamber; Described methane bio-desulfurization system also comprises control appliance, the pipeline of described air intake is provided with air provisioning controller and blower fan, the pipeline of described methane outlet is provided with biogas oxygen concentration detector, and described air provisioning controller, blower fan and biogas oxygen concentration detector are connected with control appliance respectively.
According to one aspect of the present invention, the pipeline of described biogas entrance is provided with biogas flow detector and biogas concentration of component analyzer, and described biogas flow detector is connected with control appliance respectively with biogas concentration of component analyzer.
According to one aspect of the present invention, the indoor Level meter that is provided with of described nutrient solution, described Level meter is connected with control appliance.
According to one aspect of the present invention, on the pipeline of described nutrient solution entrance and dilution cooling water inlet, be equipped with control valve, described control valve is connected with control appliance.
According to one aspect of the present invention, the pipeline between described circulating pump and spray head is provided with heat exchanger, nutrient solution pH analyzer and solution temperature detector, and described nutrient solution pH analyzer is connected with control appliance respectively with solution temperature detector.
According to one aspect of the present invention, the pipeline between described circulating pump and heat exchanger is provided with discard solution discharge port, and the pipeline of described discard solution discharge port is provided with control valve, and described control valve is connected with control appliance.
According to one aspect of the present invention, described nutrient solution is by NH
4cl, KH
2pO
4, MgSO
47H
2o, CaCl
26H
2o and MnSO
45H
2o composition.
According to one aspect of the present invention, the control parameter of described nutrient solution is: NH
4the concentration of Cl is 1-5g/L; KH
2pO
4concentration be 1-4.5g/L; MgSO
47H
2the concentration of O is 1-4.5g/L; CaCl
26H
2the concentration of O is 0.3-2g/L; MnSO
45H
2the concentration of O is 0.01-0.06g/L.
Advantage of the invention process: desulfurizing tower of the present invention is made up of nutrition liquid chamber, packed bed and spray chamber, packed bed is positioned at spray chamber, nutrition liquid chamber is provided with nutrient solution entrance, dilution cooling water inlet, biogas entrance and air intake, and the spray chamber of packed bed top is provided with methane outlet, nutrient solution circulating device comprises circulating pump, pipeline and spray head, and spray head is positioned at the top of spray chamber, described methane bio-desulfurization system also comprises control appliance, the pipeline of air intake is provided with air provisioning controller and blower fan, the pipeline of methane outlet is provided with biogas oxygen concentration detector, air provisioning controller, blower fan is connected with control appliance respectively with biogas oxygen concentration detector, control appliance is according to the parameter difference of biogas, the suitable oxygen of instruction air provisioning controller supply, to meet the required oxygen of methane bio-desulfurization, in addition, the concentration of oxygen in biogas after the desulfurization of biogas oxygen concentration detector monitoring bio, and send the data to control appliance, control appliance receives data and sent instruction before the concentration of oxygen reaches warning value, automatically regulate the supply of oxygen, therefore methane bio-desulfurization system of the present invention can realize biogas reproducible utilization, safety, intelligent degree is high.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic diagram of a kind of methane bio-desulfurization system of the present invention.
Detailed description of the invention
Below in conjunction with figure, the invention will be further described.
As shown in Figure 1, a kind of methane bio-desulfurization system, comprise desulfurizing tower and nutrient solution circulating device, described desulfurizing tower is made up of nutrition liquid chamber 11, packed bed 3 and spray chamber 20, packed bed 3 is positioned at spray chamber 20, nutrition liquid chamber is provided with nutrient solution entrance 15, dilution cooling water inlet 14, biogas entrance 7 and air intake 10, and the spray chamber 20 of packed bed 3 tops is provided with methane outlet 21; Described nutrient solution circulating device comprises circulating pump 1, pipeline 19 and spray head 4, and spray head 4 is positioned at the top of spray chamber 20; Described methane bio-desulfurization system also comprises control appliance 22, the pipeline 19 of air intake 10 is provided with air provisioning controller 9 and blower fan 23, the pipeline 19 of methane outlet 21 is provided with biogas oxygen concentration detector 8, and air provisioning controller 9, blower fan 23 and biogas oxygen concentration detector 8 are connected with control appliance 22 respectively.
In actual applications, in order to meet the required oxygen of methane bio-desulfurization, the pipeline 19 of biogas entrance 1 is provided with biogas flow detector 5 and biogas concentration of component analyzer 6, and biogas flow detector 5 is connected with control appliance 22 respectively with biogas concentration of component analyzer 6.Biogas flow detector 5 Main Functions are measured the flow of biogas, and send by holding wire the data that record to control appliance 22, and control appliance 22 receives and keep data; Biogas concentration of component analyzer 6 Main Functions are measured H
2the data such as S concentration, and send by holding wire the data that record to control appliance 22, control appliance 22 receives and keeps after above-mentioned two kinds of data, calculate the required oxygen-supplying amount of biogas through automated evaluation procedure, and send instruction, control air provisioning controller 9 and blower fan 23 and supply air, reach optimal state.
In actual applications, for understand in real time nutrient solution in nutrition liquid chamber 11 number, in nutrition liquid chamber 11, be provided with Level meter 12, Level meter 12 is connected with control appliance 22; On the pipeline 19 of nutrient solution entrance 15 and dilution cooling water inlet 14, be equipped with control valve 13, control valve 13 is connected with control appliance 22, control valve 13 is selected magnetic valve, magnetic valve is connected with control appliance 22 by holding wire, in the time that nutrient solution is on the low side, control appliance 22 indicates the magnetic valve on nutrient solution entrance 15 pipelines 19 to open, to the interior interpolation nutrient solution of nutrition liquid chamber 11, when the liquid surface of nutrient solution arrives spacing liquid level, automatically close the magnetic valve on nutrient solution entrance 15 pipelines 19.
In actual applications, pipeline 19 between circulating pump 1 and spray head 4 is provided with heat exchanger 2, nutrient solution pH analyzer 17 and solution temperature detector 18, nutrient solution pH analyzer 17 is connected with control appliance 22 respectively with solution temperature detector 18, pipeline 19 between circulating pump 1 and heat exchanger 2 is provided with discard solution discharge port 16, on the pipeline 19 of discard solution discharge port 16, be also provided with control valve 13, control valve 13 is connected with control appliance 22, control valve 13 is selected magnetic valve, and magnetic valve is connected with control appliance 22 by holding wire.PH Value Data is sent to control appliance 22 by nutrient solution pH analyzer 17, temperature data is sent to control appliance 22 by solution temperature detector 18, in the time that winter temperature is lower, control appliance 22 indicates heat exchanger 2 to start and heat nutrient solution, keeping system temperature constant; In the time that pH value is too low, control appliance 22 sends instruction, opens the control valve 13 on the pipeline 19 of nutrient solution entrance 15 and dilution cooling water inlet 14, automatically adds running water and nutrient solution; In the time that the liquid level in nutrition liquid chamber 11 is too high, control appliance 22 indicates circulating pump 1 to start, and opens the control valve 13 on the pipeline 19 of discard solution discharge port 16 simultaneously, and nutrient solution is discharged from discard solution discharge port 16.
In actual applications, nutrient solution is by NH
4cl, KH
2pO
4, MgSO
47H
2o, CaCl
26H
2o and MnSO
45H
2o composition, the control parameters selection of nutrient solution: NH
4the concentration of Cl is 1-5g/L; KH
2pO
4concentration be 1-4.5g/L; MgSO
47H
2the concentration of O is 1-4.5g/L; CaCl
26H
2the concentration of O is 0.3-2g/L; MnSO
45H
2the concentration of O is 0.01-0.06g/L.Chemical equation is as follows: H
2s+2O
2→ H
2sO
4
2H
2S+O
2→2S+2H2O
S+H
2O+1.5O
2→H
2SO
4
The dilute sulfuric acid generating can directly be discharged into " Aerobic Pond " or " regulating reservoir " neutralization, without processing again.Because methane bio-desulfurization system of the present invention is sulfuric acid by hydrogen sulfide converted product, having changed original methane bio-desulfurization system is the technique of sulphur simple substance by hydrogen sulfide converted product, can effectively avoid follow-up sulphur simple substance to process inconvenience and potential safety hazard, and sulfuric acid may be used on other and produces, reduce sulfuric acid buying.
In addition, according to the H in biogas
2s concentration (for ordinary circumstance), what the mixing biogas of every 1m3 required air capacity is supplied as 20 to 80L, and the control appliance 22 in the present invention can accurately be controlled the supply of air capacity; Due to H
2the efficiency that S removes depends on the H in biogas
2s concentration, therefore the desulfuration efficiency of methane bio-desulfurization system of the present invention can reach 98.5%.
Operation principle of the present invention: before biogas enters biological desulphurization system, biogas flow detector 5 sends by holding wire the data that record to control appliance 22, biogas concentration of component analyzer 6 sends by holding wire the data that record to control appliance 22, control appliance 22 receives and keeps after above-mentioned two kinds of data, calculate the required oxygen-supplying amount of biogas through automated evaluation procedure, and send instruction, and control air provisioning controller 9 and blower fan 23 and supply air, reach optimal state.In supply air, circulating pump 1 is opened, nutrient solution is pumped to the spray head 4 at spray chamber 20 tops by circulating pump 1, nutrient solution is sprayed continuously to packed bed 3, in nutrient solution, be rich in microorganism, and can to a certain extent aging microbial film be rinsed, maintain the balance of microflora on packed bed 3 and stablize, enter after desulfurizing tower Deng biogas and air, first through inorganic filler bed 3 wherein, the microorganism adsorption that hydrogen sulfide in biogas is adhered in bed is also converted into sulfuric acid by metabolism, biogas after purifying detects through biogas oxygen concentration detector 8, detect qualified biogas and flow to user's use, if biogas oxygen concentration detector 8 is monitored the excessive concentration of oxygen in biogas, control appliance sent instruction before the concentration of oxygen reaches warning value, automatically regulate the supply of oxygen.In sum, to realize biogas reproducible utilization, safety, intelligent degree high for methane bio-desulfurization system of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, the technical staff of any skilled is in technical scope disclosed by the invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (8)
1. a methane bio-desulfurization system, comprise desulfurizing tower and nutrient solution circulating device, it is characterized in that: described desulfurizing tower is made up of nutrition liquid chamber, packed bed and spray chamber, described packed bed is positioned at spray chamber, described nutrition liquid chamber is provided with nutrient solution entrance, dilution cooling water inlet, biogas entrance and air intake, and the spray chamber of described packed bed top is provided with methane outlet; Described nutrient solution circulating device comprises circulating pump, pipeline and spray head, and described spray head is positioned at the top of spray chamber; Described methane bio-desulfurization system also comprises control appliance, the pipeline of described air intake is provided with air provisioning controller and blower fan, the pipeline of described methane outlet is provided with biogas oxygen concentration detector, and described air provisioning controller, blower fan and biogas oxygen concentration detector are connected with control appliance respectively.
2. according to methane bio-desulfurization system described in claim 1, it is characterized in that, the pipeline of described biogas entrance is provided with biogas flow detector and biogas concentration of component analyzer, and described biogas flow detector is connected with control appliance respectively with biogas concentration of component analyzer.
3. according to methane bio-desulfurization system described in claim 1, it is characterized in that, the indoor Level meter that is provided with of described nutrient solution, described Level meter is connected with control appliance.
4. according to methane bio-desulfurization system described in claim 1, it is characterized in that, on the pipeline of described nutrient solution entrance and dilution cooling water inlet, be equipped with control valve, described control valve is connected with control appliance.
5. according to methane bio-desulfurization system described in claim 1, it is characterized in that, pipeline between described circulating pump and spray head is provided with heat exchanger, nutrient solution pH analyzer and solution temperature detector, and described nutrient solution pH analyzer is connected with control appliance respectively with solution temperature detector.
6. according to methane bio-desulfurization system described in claim 5, it is characterized in that, the pipeline between described circulating pump and heat exchanger is provided with discard solution discharge port, and the pipeline of described discard solution discharge port is provided with control valve, and described control valve is connected with control appliance.
7. according to the arbitrary described methane bio-desulfurization system of claim 1 to 6, it is characterized in that, described nutrient solution is by NH
4cl, KH
2pO
4, MgSO
47H
2o, CaCl
26H
2o and MnSO
45H
2o composition.
8. according to methane bio-desulfurization system described in claim 7, it is characterized in that, the control parameter of described nutrient solution is: NH
4the concentration of Cl is 1-5g/L; KH
2pO
4concentration be 1-4.5g/L; MgSO
47H
2the concentration of O is 1-4.5g/L; CaCl
26H
2the concentration of O is 0.3-2g/L; MnSO
45H
2the concentration of O is 0.01-0.06g/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016528.8A CN103977703A (en) | 2014-01-14 | 2014-01-14 | Biogas biological desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410016528.8A CN103977703A (en) | 2014-01-14 | 2014-01-14 | Biogas biological desulfurization system |
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| Publication Number | Publication Date |
|---|---|
| CN103977703A true CN103977703A (en) | 2014-08-13 |
Family
ID=51270014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410016528.8A Pending CN103977703A (en) | 2014-01-14 | 2014-01-14 | Biogas biological desulfurization system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709592A (en) * | 2016-04-26 | 2016-06-29 | 杭州奥通环保科技股份有限公司 | Biochemical treatment device of low-concentration waste gas of viscose fibers and treatment method |
| CN106268194A (en) * | 2016-10-12 | 2017-01-04 | 南京大学 | A kind of for the gas scrubbing tower containing sublimate |
| CN108144388A (en) * | 2018-01-12 | 2018-06-12 | 西安同大科技有限公司 | A kind of full-automatic dust washing control method |
| CN108993132A (en) * | 2018-09-21 | 2018-12-14 | 无锡惠联资源再生科技有限公司 | Material filling type biomass marsh gas desulfurizer |
| CN112342066A (en) * | 2019-08-09 | 2021-02-09 | 长沙蓝熙环保科技有限公司 | Anaerobic biological desulfurization method and device for biogas |
| WO2021116303A1 (en) * | 2019-12-13 | 2021-06-17 | Paqell B.V | A continuous process to treat a hydrogen sulphide comprising gas |
| JP2022045865A (en) * | 2020-09-09 | 2022-03-22 | 株式会社一芯 | Deodorization device and deodorization method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105709592A (en) * | 2016-04-26 | 2016-06-29 | 杭州奥通环保科技股份有限公司 | Biochemical treatment device of low-concentration waste gas of viscose fibers and treatment method |
| CN106268194A (en) * | 2016-10-12 | 2017-01-04 | 南京大学 | A kind of for the gas scrubbing tower containing sublimate |
| CN108144388A (en) * | 2018-01-12 | 2018-06-12 | 西安同大科技有限公司 | A kind of full-automatic dust washing control method |
| CN108993132A (en) * | 2018-09-21 | 2018-12-14 | 无锡惠联资源再生科技有限公司 | Material filling type biomass marsh gas desulfurizer |
| CN112342066A (en) * | 2019-08-09 | 2021-02-09 | 长沙蓝熙环保科技有限公司 | Anaerobic biological desulfurization method and device for biogas |
| WO2021116303A1 (en) * | 2019-12-13 | 2021-06-17 | Paqell B.V | A continuous process to treat a hydrogen sulphide comprising gas |
| NL2024456B1 (en) * | 2019-12-13 | 2021-09-01 | Paqell B V | A continuous process to treat a hydrogen sulphide comprising gas |
| JP2022045865A (en) * | 2020-09-09 | 2022-03-22 | 株式会社一芯 | Deodorization device and deodorization method |
| JP7309208B2 (en) | 2020-09-09 | 2023-07-18 | 株式会社一芯 | Deodorizing device and deodorizing method |
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Application publication date: 20140813 |