CN214937276U - Biogas biological desulfurization system - Google Patents
Biogas biological desulfurization system Download PDFInfo
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- CN214937276U CN214937276U CN202120482923.0U CN202120482923U CN214937276U CN 214937276 U CN214937276 U CN 214937276U CN 202120482923 U CN202120482923 U CN 202120482923U CN 214937276 U CN214937276 U CN 214937276U
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- nutrient solution
- biogas
- pipeline
- oxygen
- marsh gas
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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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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a biological desulfurization system of marsh gas, nutrient solution room top is provided with the desulfurization filler, and the desulfurization filler sets up in spraying the room, and the spray room top is provided with the shower nozzle, and the shower nozzle links to each other with nutrient solution case level sensor through spraying the pipeline, and nutrient solution case level sensor links to each other with the nutrient solution room, and spray room upper portion side is connected with the marsh gas export, and nutrient solution room upper portion side is provided with oxygen entry, marsh gas entry respectively, is connected with gas circulation pipeline between the pipeline of marsh gas entry and marsh gas export, is provided with the control valve on the gas circulation pipeline, the pipeline of marsh gas export on be provided with marsh gas oxygen concentration detector, the pipeline of marsh gas import on be provided with marsh gas flow detector and marsh gas component concentration analyzer, the pipeline of oxygen entry on be provided with oxygen sensor, control valve. The utility model discloses the hydrogen sulfide clearance is high, and the treatment concentration is high, can cyclic utilization, maintains simply, and convenient operation is reliable, and the security is high.
Description
Technical Field
The utility model relates to a desulphurization unit, in particular to a biogas biological desulphurization system.
Background
At present, the commonly used biogas biological desulfurization system generally adopts a fan oxygen supply mode to increase biogasIn the presence of oxygen and by the action of microorganisms, convert H2S is converted into elemental sulfur. H of biogas desulfurization system2S can generate elemental sulfur after being treated, the elemental sulfur generated after treatment is very small in amount and difficult to recycle, and the elemental sulfur can sublimate on site when the temperature is high, so that the elemental sulfur belongs to dangerous waste, and potential safety hazards exist in site stacking or transportation; in addition, the control equipment of the biogas biological desulfurization system has low intelligent degree, and most of the control equipment is operated by people on site, thereby bringing great hidden danger to personal safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and aims to provide a biogas biological desulfurization system which has high hydrogen sulfide removal rate and high treatment concentration, can be recycled, is simple to maintain, is convenient and reliable to operate and has high safety.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a biogas biological desulfurization system comprises a nutrient solution chamber, a spray chamber and desulfurization filler, wherein the desulfurization filler is arranged above the nutrient solution chamber and is arranged in the spray chamber, a spray head is arranged at the top of the spray chamber and is connected with a nutrient solution tank liquid level sensor through a spray pipeline, the nutrient solution tank liquid level sensor is connected with the nutrient solution chamber, the side edge of the upper part of the spray chamber is connected with a biogas outlet, the side edge of the upper part of the nutrient solution chamber is respectively provided with an oxygen inlet and a biogas inlet, a gas circulation pipeline is connected between the pipelines of the biogas inlet and the biogas outlet, and a control valve is arranged on the gas circulation pipeline, a biogas oxygen concentration detector is arranged on the pipeline of the biogas outlet, a biogas flow detector and a biogas component concentration analyzer are arranged on the pipeline of the biogas inlet, an oxygen sensor and a control valve are arranged on the pipeline of the oxygen inlet, and the end part of the oxygen inlet is connected with a fan; the side of the bottom of the nutrient solution chamber is provided with a sulfuric acid discharge port, and the sulfuric acid discharge port is provided with a control valve.
The liquid level sensor of the nutrient solution tank is also connected with the nutrient solution inlet and the water inlet through control valves respectively.
The spraying pipeline is provided with a heater, a nutrient solution PH analyzer, a nutrient solution temperature detector, a waste liquid discharge port and a circulating pump, the waste liquid discharge port is provided with a control valve, and all the control valves, the methane oxygen concentration detector, the methane flow detector, the methane component concentration analyzer, the nutrient solution tank liquid level sensor, the oxygen sensor, the nutrient solution PH analyzer and the nutrient solution temperature detector are connected with the control box.
The utility model discloses following beneficial effect has:
1. the removal rate of the hydrogen sulfide is more than 90 percent
By converting the removed hydrogen sulfide into sulfuric acid, accumulation of sulfur in the tower is prevented to achieve stable hydrogen sulfide removal.
2. High treatment concentration
The hydrogen sulfide removal agent also exhibits stable hydrogen sulfide removal performance even at high concentrations of hundreds to thousands ppm of hydrogen sulfide. Tens of thousands of ppm can be processed through the design of my company.
3. Cyclic utilization
The sulfuric acid can be discharged to a sewage station regulating reservoir for pH regulation, and the converted sulfuric acid can be effectively utilized.
4. Simple maintenance
Because the system is automatically controlled, the daily management frequency is low.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1, the following technical solutions are adopted in the present embodiment: a biogas biological desulfurization system comprises a nutrient solution chamber 1, a spray chamber 2 and desulfurization fillers 3, wherein the desulfurization fillers 3 are arranged above the nutrient solution chamber 1, the desulfurization fillers 3 are arranged in the spray chamber 2, a spray head 4 is arranged at the top of the spray chamber 2, the spray head 4 is connected with a nutrient solution tank liquid level sensor 6 through a spray pipeline 5, the nutrient solution tank liquid level sensor 6 is connected with the nutrient solution chamber 1, the upper side edge of the spray chamber 2 is connected with a biogas outlet 7, the upper side edge of the nutrient solution chamber 1 is respectively provided with an oxygen inlet 8 and a biogas inlet 9, a gas circulation pipeline 10 is connected between the biogas inlet 9 and the biogas outlet 7, the gas circulation pipeline 10 is provided with a control valve 11, the pipeline of the biogas outlet 7 is provided with a biogas oxygen concentration detector 12, and the pipeline of the biogas inlet 9 is provided with a biogas flow detector 13 and a biogas component concentration analyzer 14, an oxygen sensor 15 and a control valve 11 are arranged on a pipeline of the oxygen inlet 8, and the end part of the oxygen inlet 8 is connected with a fan 16; the side of the bottom of the nutrient solution chamber 1 is provided with a sulfuric acid discharge port 17, and a control valve 11 is arranged at the sulfuric acid discharge port 17.
The nutrient solution tank liquid level sensor 6 is also respectively connected with a nutrient solution inlet 18 and a water inlet 19 through control valves.
The spraying pipeline 5 is provided with a heater 20, a nutrient solution PH analyzer 21, a nutrient solution temperature detector 22, a waste liquid discharge port 23 and a circulating pump 24, the waste liquid discharge port 23 is provided with a control valve, and all the control valves, the methane oxygen concentration detector 12, the methane flow detector 13, the methane component concentration analyzer 14, the nutrient solution tank liquid level sensor 6, the oxygen sensor 15, the nutrient solution PH analyzer 21 and the nutrient solution temperature detector 22 are connected with a control box 25.
The technical principle of the embodiment is as follows: the biological desulfurization technology is characterized in that microorganisms (sulfur-oxidizing bacteria) are cultured in a biological desulfurization tower to convert high-concentration hydrogen sulfide in biogas gas into sulfuric acid and remove the sulfuric acid. The intake concentration of hydrogen sulfide is 10000ppm, and the removal rate is more than 90%.
The main chemical reaction of biological desulfurization
H2S + 1/2 O2→ S + H2O
S + 3/2 O2 + H2O →H2SO4
The embodiment is mainly applied to the technical fields of fermentation, digestion tanks, UASB and the like, and compared with the traditional dry desulfurization and chemical cleaning mode, the embodiment can greatly reduce the maintenance and management cost. High treatment concentration, cyclic utilization, simple maintenance, convenient and reliable operation and high safety.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A biogas biological desulfurization system is characterized by comprising a nutrient solution chamber (1), a spray chamber (2) and desulfurization fillers (3), wherein the desulfurization fillers (3) are arranged above the nutrient solution chamber (1), the desulfurization fillers (3) are arranged in the spray chamber (2), a spray head (4) is arranged at the top of the spray chamber (2), the spray head (4) is connected with a nutrient solution tank liquid level sensor (6) through a spray pipeline (5), the nutrient solution tank liquid level sensor (6) is connected with the nutrient solution chamber (1), a biogas outlet (7) is connected with the side edge of the upper part of the spray chamber (2), an oxygen inlet (8) and a biogas inlet (9) are respectively arranged on the side edge of the upper part of the nutrient solution chamber (1), a gas circulating pipeline (10) is connected between pipelines of the biogas inlet (9) and the biogas outlet (7), a control valve (11) is arranged on the gas circulating pipeline (10), and a biogas oxygen concentration detector (12) is arranged on the pipeline of the biogas outlet (7), a pipeline of the biogas inlet (9) is provided with a biogas flow detector (13) and a biogas component concentration analyzer (14), a pipeline of the oxygen inlet (8) is provided with an oxygen sensor (15) and a control valve (11), and the end part of the oxygen inlet (8) is connected with a fan (16); a sulfuric acid discharge port (17) is arranged at the side edge of the bottom of the nutrient solution chamber (1), and a control valve (11) is arranged at the sulfuric acid discharge port (17).
2. The biogas biological desulfurization system according to claim 1, wherein the nutrient solution tank level sensor (6) is further connected with the nutrient solution inlet (18) and the water inlet (19) through control valves, respectively.
3. The biogas biological desulfurization system according to claim 1, wherein the spray pipe (5) is provided with a heater (20), a nutrient solution pH analyzer (21), a nutrient solution temperature detector (22), a waste liquid discharge port (23), and a circulating pump (24), the waste liquid discharge port (23) is provided with a control valve, and all the control valve, the biogas oxygen concentration detector (12), the biogas flow detector (13), the biogas component concentration analyzer (14), the nutrient solution tank liquid level sensor (6), the oxygen sensor (15), the nutrient solution pH analyzer (21), and the nutrient solution temperature detector (22) are connected with a control box (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482923.0U CN214937276U (en) | 2021-03-07 | 2021-03-07 | Biogas biological desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120482923.0U CN214937276U (en) | 2021-03-07 | 2021-03-07 | Biogas biological desulfurization system |
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| Publication Number | Publication Date |
|---|---|
| CN214937276U true CN214937276U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120482923.0U Active CN214937276U (en) | 2021-03-07 | 2021-03-07 | Biogas biological desulfurization system |
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| CN (1) | CN214937276U (en) |
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2021
- 2021-03-07 CN CN202120482923.0U patent/CN214937276U/en active Active
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