CN210544316U - Desulfurization treatment device based on biogas power generation - Google Patents
Desulfurization treatment device based on biogas power generation Download PDFInfo
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- CN210544316U CN210544316U CN201920914708.6U CN201920914708U CN210544316U CN 210544316 U CN210544316 U CN 210544316U CN 201920914708 U CN201920914708 U CN 201920914708U CN 210544316 U CN210544316 U CN 210544316U
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Abstract
The utility model discloses a desulfurization treatment device based on marsh gas power generation, including the electrolysis trough, spray column and charge device, the spray column is inside by the lower supreme liquid medicine groove that has set gradually, the guide duct, spray mechanism and water-gas separation mechanism, the guide duct is by the toper barrel, cylinder and back taper barrel are by the lower supreme constitution that docks in proper order, the inside porous ceramic oxidation catalysis filler subassembly that is provided with of cylinder, waste gas import on the spray column lateral wall is located between liquid medicine groove and the toper barrel, the discharge port has been seted up at the top of spray column, a part sodium chloride aqueous solution in the charge device directly supplies with the liquid medicine groove, a part sodium chloride aqueous solution in the charge device passes through electrolysis trough electrolysis generation sodium hypochlorite and supplies with the liquid medicine groove, liquid medicine groove and spray between the mechanism through the. The device gets rid of the effect better to hydrogen sulfide, can avoid producing too much sulfur dirt in desulfurization treatment process, is of value to the maintenance management of equipment, improves the stability of marsh gas power generation operation.
Description
Technical Field
The utility model relates to a marsh gas power generation technical field, in particular to desulfurization treatment device based on marsh gas power generation.
Background
As a clean and environment-friendly green energy source, the scale development and utilization of renewable energy has become an important way for solving the problems of energy shortage, environmental pollution, greenhouse effect and the like caused by fossil energy in the 21 st century. Methane obtained by separating and purifying methane. Meeting the energy demand of human is a main means for human to develop and utilize the biogas. However, in the development process of methane in China, the methane technology and the process equipment technology are slowly developed due to the fact that the development trend of the methane is heavily promoted and slightly researched, the development potential of the methane is difficult to fully exert, the comprehensive utilization of the methane is still greatly limited, the economic potential development rate is less than 1%, the ecological potential development rate is only about 4%, and the development prospect is very wide. Therefore, the potential development and utilization of the biogas are in widespread worldwide interest. The recycling of the landfill biogas is an economical and feasible technology which is beneficial to the environment, and the power generation efficiency is improved by increasing the biogas collection rate, increasing the power generation unit and improving the power generation amount, so that the power generation benefit is effectively improved. The main component of the marsh gas is methane, and the marsh gas consists of 50-80% of methane, 20-40% of carbon dioxide, 0-5% of nitrogen, less than 1% of hydrogen, less than 0.4% of oxygen, 0.1-3% of hydrogen sulfide and the like. When the biogas is used for power generation, the biogas is subjected to desulfurization treatment, so that the waste gas generated by biogas power generation basically has no sulfur component, and therefore, the biogas power generation is generally considered to be clean energy and cannot pollute the atmosphere. However, in a general desulfurization tower, hydrogen sulfide contained in passing biogas is dissolved and removed by spraying a desulfurization solution on a filler, but excessive sulfur scale is easily generated in the desulfurization process, maintenance and management of equipment are inconvenient, and the stability of biogas power generation is affected.
Disclosure of Invention
The utility model discloses to prior art's not enough, the technical problem that solve provides a desulfurization treatment device based on marsh gas electricity generation, and the hydrogen sulfide gets rid of the effect better, can avoid producing too much sulfur dirt in desulfurization treatment process, is of value to the maintenance management of equipment, improves the stability of marsh gas electricity generation operation.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
Desulfurization treatment device based on marsh gas power generation, including the electrolysis trough, spray column and charge device, spray column is inside by the lower supreme liquid medicine groove that has set gradually, the guide duct, spray mechanism and water-gas separation mechanism, the guide duct is by the toper barrel, cylinder and back taper barrel are by the lower supreme constitution of butt joint in proper order, the inside porous ceramic oxidation catalysis filler subassembly that is provided with of cylinder, waste gas import on the spray column lateral wall is located between liquid medicine groove and the toper barrel, the discharge port has been seted up at the top of spray column, a part of sodium chloride aqueous solution in the charge device directly supplies with the liquid medicine groove, a part of sodium chloride aqueous solution in the charge device passes through the electrolysis trough electrolysis and generates sodium hypochlorite and supplies with the liquid medicine groove, communicate through the pipeline between.
Preferably, an ultrasonic vibrating plate is arranged in the electrolytic bath.
Preferably, the liquid medicine tank is provided with a pH meter.
Preferably, a sodium hypochlorite concentration meter is arranged on a pipeline between the liquid medicine tank and the spraying mechanism.
Preferably, a booster pump is arranged between the dosing device and the liquid medicine tank.
Preferably, the spraying mechanism comprises a water spraying branch pipe and a plurality of spraying heads arranged on the water spraying branch pipe.
Preferably, the water-gas separation mechanism comprises a mounting frame and a water collector arranged on the mounting frame.
Preferably, the dosing device is provided with a metering pump.
The utility model has the advantages that: part of the chemical dosing device is supplied through the electrolytic bathElectrolyzing the sodium chloride aqueous solution to produce a mixed solution (NaCl + H) containing sodium hypochlorite２Ｏ→ＮａＯＨ＋ＮａＯＣｌ＋Ｈ２) Circularly spraying through a spraying mechanism, (H)２Ｓ＋２ＮａＯＨ＋４ＮａＣｌＯ→Ｎａ２ＳＯ４＋２Ｈ２O + 4 NaCl), has realized high efficiency hydrogen sulfide desulfurization treatment effect to the marsh gas that passes to the production of the effectual sulphur scale that has restrained, whole device energy saving and consumption reduction, the running cost is low, and it is convenient to maintain the management, is favorable to improving the security and the stability of marsh gas power generation operation.
Drawings
The following drawings are intended to facilitate the description of the preferred embodiments and do not limit the scope of the invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-an electrolytic tank, 2-a spray tower, 3-a dosing device, 4-a liquid medicine tank, 5-an air guide cylinder, 6-a spray mechanism, 7-a water-gas separation mechanism, 8-a conical cylinder, 9-a cylinder, 10-an inverted conical cylinder, 11-a porous ceramic oxidation catalysis packing component, 12-a waste gas inlet and 13-a discharge port.
Detailed Description
For the convenience of understanding, the present invention will be described in detail with reference to the preferred embodiments of the present invention shown in the accompanying drawings.
As shown in fig. 1, the desulfurization treatment device based on biogas power generation of the embodiment of the present invention comprises an electrolytic cell 1, a spray tower 2 and a chemical adding device 3. The spray tower 2 is internally provided with a liquid medicine groove 4, an air duct 5, a spray mechanism 6 and a water-gas separation mechanism 7 from bottom to top in sequence. The spraying mechanism 6 comprises a branch water spraying pipe and a plurality of spraying heads arranged on the branch water spraying pipe. The water-gas separation mechanism 7 comprises a mounting frame and a water collector arranged on the mounting frame.
The air duct 5 is formed by sequentially butting a conical barrel body 8, a cylinder body 9 and an inverted conical barrel body 10 from bottom to top, a porous ceramic oxidation catalysis filler component 11 is arranged inside the cylinder body 9, the air guide effect and the optimized structural design of the air duct 5 generate a Venturi effect, the pressure and the flow rate of odor are reduced when the odor passes through the porous ceramic oxidation catalysis filler component 11, the reaction time and the absorption efficiency of a mixed liquid containing sodium hypochlorite sprayed by the spraying mechanism 6 and hydrogen sulfide in the odor in filler are greatly improved, meanwhile, the porous ceramic is used for an oxidation catalyst carrier, the porous ceramic has good adsorption capacity and activity, after the porous ceramic is covered with the oxidation catalyst, the reaction efficiency and the reaction speed are also greatly improved, further, the power consumption of a spraying group can be reduced, and the energy is saved.
The waste gas inlet 12 on the side wall of the spray tower 2 is positioned between the liquid medicine tank 4 and the conical cylinder 8, and the top of the spray tower 2 is provided with a discharge port 13. A metering pump is arranged on the dosing device 3. A part of sodium chloride aqueous solution in the medicine adding device 3 is directly supplied to the liquid medicine groove 4, a part of sodium chloride aqueous solution in the medicine adding device 3 is electrolyzed by the electrolytic tank 1 to generate sodium hypochlorite and is supplied to the liquid medicine groove 4, the ultrasonic vibration plate is arranged in the electrolytic tank 1, and the pressure is reduced due to the passing through the electrolytic tank 1, therefore, the booster pump is arranged between the medicine adding device 3 and the liquid medicine groove 4. The liquid medicine tank 4 is provided with a pH meter for regulating the pH value between 8 and 10. The liquid medicine tank 4 is communicated with the spraying mechanism 6 through a pipeline, and a sodium hypochlorite concentration meter is arranged on the pipeline.
The above-mentioned embodiments are only embodiments of the present invention, and are not used for limiting the protection scope of the present invention, based on the technical concept of the present invention, any changes and improved embodiments that can be easily replaced by the known technologies or the conventional technologies in the technical field should be covered within the protection scope of the present invention.
Claims (8)
1. Desulfurization treatment device based on marsh gas power generation, characterized by: comprises an electrolytic tank (1), a spray tower (2) and a dosing device (3), wherein a liquid medicine tank (4), an air duct (5), a spray mechanism (6) and a water-gas separation mechanism (7) are sequentially arranged inside the spray tower (2) from bottom to top, the air duct (5) is formed by a conical barrel (8), a cylinder (9) and an inverted conical barrel (10) which are sequentially butted from bottom to top, a porous ceramic oxidation catalysis packing component (11) is arranged inside the cylinder (9), a waste gas inlet (12) on the side wall of the spray tower (2) is positioned between the liquid medicine tank (4) and the conical barrel (8), a discharge port (13) is arranged at the top of the spray tower (2), a part of sodium chloride aqueous solution in the dosing device (3) is directly supplied to the liquid medicine tank (4), a part of the sodium chloride aqueous solution in the dosing device (3) is electrolyzed by the electrolytic tank (1) to generate sodium hypochlorite and is supplied to, the liquid medicine groove (4) is communicated with the spraying mechanism (6) through a pipeline.
2. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: an ultrasonic vibrating plate is arranged in the electrolytic tank (1).
3. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: the liquid medicine tank (4) is provided with a PH meter.
4. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: a sodium hypochlorite concentration meter is arranged on a pipeline between the liquid medicine tank (4) and the spraying mechanism (6).
5. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: a booster pump is arranged between the dosing device (3) and the liquid medicine tank (4).
6. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: the spraying mechanism (6) comprises a branch spraying pipe and a plurality of spraying heads arranged on the branch spraying pipe.
7. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: the water-gas separation mechanism (7) comprises an installation frame and a water collector arranged on the installation frame.
8. The desulfurization treatment apparatus for biogas-based power generation according to claim 1, wherein: a metering pump is arranged on the dosing device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914708.6U CN210544316U (en) | 2019-06-18 | 2019-06-18 | Desulfurization treatment device based on biogas power generation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920914708.6U CN210544316U (en) | 2019-06-18 | 2019-06-18 | Desulfurization treatment device based on biogas power generation |
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| CN210544316U true CN210544316U (en) | 2020-05-19 |
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| CN201920914708.6U Active CN210544316U (en) | 2019-06-18 | 2019-06-18 | Desulfurization treatment device based on biogas power generation |
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