CN206396137U - Separated sewage gas bio-desulfurization device - Google Patents

Separated sewage gas bio-desulfurization device Download PDF

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Publication number
CN206396137U
CN206396137U CN201720078792.3U CN201720078792U CN206396137U CN 206396137 U CN206396137 U CN 206396137U CN 201720078792 U CN201720078792 U CN 201720078792U CN 206396137 U CN206396137 U CN 206396137U
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China
Prior art keywords
salmon
reaction
sulphur
desulfurizing tower
saxl
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Expired - Fee Related
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CN201720078792.3U
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Chinese (zh)
Inventor
刘云洲
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Shanghai bizhou environmental protection energy technology Co., Ltd
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Shanghai Bizone Environmental Protection Equipment & Engineering Co Ltd
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Abstract

The utility model discloses a kind of Separated sewage gas bio-desulfurization device, belong to methane-desulfurizing device field.It includes desulfurizing tower, connecting tube, reaction of Salmon-Saxl device, circulating pump, the desulfurizing tower middle and lower part is provided with biogas import, methane outlet is provided with the top of desulfurizing tower, desulfurizing tower top is provided with mouth spray, packing layer is provided with inside desulfurizing tower between mouth spray and biogas import, the desulfurization tower bottom is connected by connecting tube with reaction of Salmon-Saxl device bottom, the reaction of Salmon-Saxl device top is provided with sulphur separation module, the circulating pump feed end is connected with reaction of Salmon-Saxl device, and circulating pump discharge end is connected with the mouth spray of desulfurizing tower.By setting sulphur separation module on reaction of Salmon-Saxl device top, it is capable of mixed liquor of the suction containing a large amount of elemental sulfurs of active, after centrifugation, elemental sulfur is discharged from sulphur sludge outlet, clear liquid is back in reaction of Salmon-Saxl device, compared to natural sedimentation, and the sulphur separative efficiency of sulphur separation module is greatly improved.

Description

Separated sewage gas bio-desulfurization device
Technical field
The utility model is related to a kind of Separated sewage gas bio-desulfurization device, belongs to biogas desulfurization field.
Background technology
The utilization of biogas energy is increasingly taken seriously, but due to generally containing hydrogen sulfide gas in biogas, is utilizing it Before need to carry out desulfurization process, traditional biogas desulfurization method is mainly alkali wash, solid absorption method, and alkali wash needs to consume big The alkali of amount simultaneously produces new spent lye, and cost is high and produces secondary pollution;Solid absorption method produces a large amount of non-renewable sulfur-bearings and consolidated Body is difficult to handle, and operating cost is high.
Before this, a kind of device of utilization biological desulphurization is devised, it is that the biogas containing hydrogen sulfide is passed through into biogas import Into desulfurizing tower and upward, packing layer is flowed through, is fully contacted with spray liquid herein, hydrogen sulfide is absorbed by these alkaline spray liquids to be turned Move in liquid phase, so that the hydrogen sulfide in biogas is removed, the methane outlet discharge of clean biogas at the top of desulfurizing tower is inhaled The spray liquid for having received a large amount of hydrogen sulfide is flow automatically into reaction of Salmon-Saxl device by desulfurization tower bottom;Pass through the work of sulfur bacteria in reaction of Salmon-Saxl device With sulphion being changed into elemental sulfur, the mixed liquor containing a large amount of elemental sulfurs is pumped into sulphur settling vessel by circulating pump, and elemental sulfur is in sulphur Natural subsidence is discharged to bottom by sulphur sludge outlet in settling vessel, and supernatant is back to reaction of Salmon-Saxl device and is pumped into by circulation de- Sulphur tower continues to absorb hydrogen sulfide.In the process, the separation of elemental sulfur is:By circulating pump by the mixing containing a large amount of elemental sulfurs Liquid pump enters sulphur settling vessel, natural sedimentation, then is discharged by sulphur sludge outlet.Its sulphur separative efficiency is not high enough, and reason has:(1)It is single The mixed liquor of matter sulphur is pumped into sulphur settling vessel by circulating pump, will necessarily produce water impact, influence precipitation;(2)Even if natural sedimentation Not by water impact, the speed for precipitating separation is also very slow.So being pumped into sulphur settling vessel using by circulating pump, carry out nature and sink The mode in shallow lake, efficiency is not high enough.In addition, desulfurizing tower and reaction of Salmon-Saxl device before is integrated, the sulfur bacteria in reaction of Salmon-Saxl device Easily flowed back etc. mixing liquid, cause efficiency to reduce.
The content of the invention
Technical problem to be solved in the utility model is:A kind of Separated sewage gas bio-desulfurization device is provided, it is solved Determined current use natural sedimentation methane bio-desulfurization device efficiency it is not high enough the problem of.
Technical problem to be solved in the utility model takes following technical scheme to realize:
Separated sewage gas bio-desulfurization device, it includes desulfurizing tower, connecting tube, reaction of Salmon-Saxl device, circulating pump, described de- Sulphur tower middle and lower part is provided with biogas import, and methane outlet is provided with the top of desulfurizing tower, and desulfurizing tower top is provided with mouth spray, in mouth spray and Packing layer is provided with inside desulfurizing tower between biogas import, it is characterised in that:The desulfurization tower bottom is anti-with sulphur by connecting tube Device bottom is answered to connect, the reaction of Salmon-Saxl device top is provided with sulphur separation module, sulphur separation module is dirty provided with charging aperture, discharge outlet and sulphur Mud is exported, and sulphur separation module charging aperture, discharge outlet are each provided at below the liquid level of reaction of Salmon-Saxl device, and sulphur sludge outlet stretches out reaction of Salmon-Saxl device Outside, the circulating pump feed end is inserted below reaction of Salmon-Saxl device liquid level by pipeline, and circulating pump discharge end passes through pipeline and desulfurization The mouth spray connection of tower.
As preferred embodiment, the sulphur separation module uses solid-liquid separation centrifuge.
The beneficial effects of the utility model are:By setting sulphur separation module on reaction of Salmon-Saxl device top, it is capable of the suction of active The mixed liquor containing a large amount of elemental sulfurs is received, after centrifugation, elemental sulfur is discharged from sulphur sludge outlet, and it is anti-that clear liquid is back to sulphur Answer in device, compared to natural sedimentation, the sulphur separative efficiency of sulphur separation module is greatly improved;Desulfurizing tower, reaction of Salmon-Saxl device are as independent Split, by connecting tube be connected, improve elemental sulfur separative efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:Desulfurizing tower 1, biogas import 11, methane outlet 12, mouth spray 13, packing layer 14, connecting tube 2, reaction of Salmon-Saxl device 3, circulating pump 4, sulphur separation module 5, sulphur sludge outlet 51.
Embodiment
In order to be easy to understand to technological means of the present utility model, creation characteristic, reached purpose and effect, tie below Conjunction is specifically illustrating, and the utility model is expanded on further.
As shown in figure 1, Separated sewage gas bio-desulfurization device, it include desulfurizing tower 1, connecting tube 2, reaction of Salmon-Saxl device 3, Circulating pump 4, the middle and lower part of desulfurizing tower 1 is provided with biogas import 11, and the top of desulfurizing tower 1 is provided with methane outlet 12, and the top of desulfurizing tower 1 is provided with Packing layer 14 is provided with inside mouth spray 13, the desulfurizing tower 1 between mouth spray 13 and biogas import 11, the bottom of desulfurizing tower 1 passes through Connecting tube 2 is connected with the bottom of reaction of Salmon-Saxl device 3, and the top of reaction of Salmon-Saxl device 3 is provided with sulphur separation module 5, and sulphur separation module 5 is provided with charging Mouth, discharge outlet and sulphur sludge outlet 51, the charging aperture of sulphur separation module 5, discharge outlet are each provided at below the liquid level of reaction of Salmon-Saxl device 3, sulphur Sludge outlet 51 is stretched out outside reaction of Salmon-Saxl device 3, and the feed end of circulating pump 4 is inserted below the liquid level of reaction of Salmon-Saxl device 3 by pipeline, circulating pump 4 discharge ends are connected by pipeline with the mouth spray 13 of desulfurizing tower 1.
Sulphur separation module 5 uses solid-liquid separation centrifuge.
Operation principle:It is that the biogas containing hydrogen sulfide is simultaneously upward into desulfurizing tower 1 by biogas import 11, flows through and fills out The bed of material 14, is fully contacted with spray liquid herein, and hydrogen sulfide is absorbed by these alkaline spray liquids to be transferred in liquid phase, so that in biogas Hydrogen sulfide removed, clean biogas is discharged by the methane outlet 12 at the top of desulfurizing tower 1, absorbs the spray of a large amount of hydrogen sulfide Drench liquid and reaction of Salmon-Saxl device 3 is flowed into by the bottom connecting tube 2 of desulfurizing tower 1;By the effect of sulfur bacteria in reaction of Salmon-Saxl device 3, by sulphion Elemental sulfur is changed into, the mixed liquor containing a large amount of elemental sulfurs is sucked by the charging aperture of sulphur separation module 5, by solid-liquid centrifugation point From elemental sulfur is discharged by sulphur sludge outlet 51, and alkaline clear liquid is back to reaction of Salmon-Saxl device 3 simultaneously by the discharge outlet of sulphur separation module 5 Desulfurizing tower 1 is transported to by circulating pump 4 to continue to absorb hydrogen sulfide.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, do not depart from the utility model spirit and On the premise of scope, the utility model also has various changes and modifications, and these changes and improvements both fall within the utility model will In the range of asking protection.Scope is claimed by appended claims and its equivalent thereof in the utility model.

Claims (2)

1. Separated sewage gas bio-desulfurization device, it includes desulfurizing tower, connecting tube, reaction of Salmon-Saxl device, circulating pump, the desulfurization Tower middle and lower part, which is provided with the top of biogas import, desulfurizing tower, is provided with methane outlet, and desulfurizing tower top is provided with mouth spray, in mouth spray and natural pond Packing layer is provided with inside desulfurizing tower between gas import, it is characterised in that:The desulfurization tower bottom passes through connecting tube and reaction of Salmon-Saxl Device bottom is connected, and the reaction of Salmon-Saxl device top is provided with sulphur separation module, and sulphur separation module is provided with charging aperture, discharge outlet and sulphur sludge Outlet, sulphur separation module charging aperture, discharge outlet be each provided at below the liquid level of reaction of Salmon-Saxl device, sulphur sludge outlet stretch out reaction of Salmon-Saxl device it Outside, the circulating pump feed end is inserted below reaction of Salmon-Saxl device liquid level by pipeline, and circulating pump discharge end passes through pipeline and desulfurizing tower Mouth spray connection.
2. Separated sewage gas bio-desulfurization device according to claim 1, it is characterised in that:The sulphur separation module is using solid Liquid separates centrifuge.
CN201720078792.3U 2017-01-22 2017-01-22 Separated sewage gas bio-desulfurization device Expired - Fee Related CN206396137U (en)

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Application Number Priority Date Filing Date Title
CN201720078792.3U CN206396137U (en) 2017-01-22 2017-01-22 Separated sewage gas bio-desulfurization device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108192678A (en) * 2018-01-24 2018-06-22 青岛利德恒业机械有限公司 A kind of biological desulfurization process for biogas
CN108659903A (en) * 2018-04-13 2018-10-16 南安市创培电子科技有限公司 A kind of biogas purification method suitable for stalk fermentation technique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108192678A (en) * 2018-01-24 2018-06-22 青岛利德恒业机械有限公司 A kind of biological desulfurization process for biogas
CN108659903A (en) * 2018-04-13 2018-10-16 南安市创培电子科技有限公司 A kind of biogas purification method suitable for stalk fermentation technique

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Address after: 201800 room j2195, building 1, no.2222, Huancheng Road, Juyuan New District, Jiading District, Shanghai

Patentee after: Shanghai bizhou environmental protection energy technology Co., Ltd

Address before: 201808 room 2, building 1288, No. 2135, Yongjing Road, Shanghai, Jiading District

Patentee before: SHANGHAI BI-ZONE ENVIRONMENTAL EQUIPMENT & ENGINEERING Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170811

Termination date: 20210122