CN217535602U - Device for removing sulfate radical and recovering elemental sulfur under aerobic condition - Google Patents
Device for removing sulfate radical and recovering elemental sulfur under aerobic condition Download PDFInfo
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Abstract
The utility model discloses a device for removing sulfate radical and recovering elemental sulfur under aerobic conditions, which comprises a horizontal setting bottom plate, a cylindrical outer framework and an inner framework, wherein the cylindrical outer framework and the cylindrical inner framework are vertically arranged on the bottom plate; the cladding of outer skeleton outside has the biofilm carrier, be equipped with oxygen deficiency type microorganism carrier between outer skeleton and the inlayer skeleton, be equipped with anaerobism type microorganism carrier in the inlayer skeleton, respectively evenly distributed has the water hole of crossing on outer skeleton and the inlayer skeleton, thereby form the aerobic zone outside outer skeleton along with the consumption of oxygen, form the anoxic zone between outer skeleton and the inlayer skeleton, form the anaerobic zone in the inlayer skeleton, make the sulfate radical in the sewage reduced into the negative bivalent sulphur in the anaerobic zone, be oxidized into elemental sulphur in the anoxic zone, and then get rid of the sulfate radical. The device can be directly used for treating sewage with high dissolved oxygen, can effectively convert sulfate radicals into elemental sulfur, and can effectively recover the elemental sulfur.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, in particular to a device for removing sulfate radicals and recovering elemental sulfur under aerobic conditions.
Background
Sewage treatment refers to a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, and is widely applied to various fields of buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscapes, medical treatment, catering and the like.
In the field of sewage treatment, currently, a method for removing sulfate radicals in sewage is to reduce sulfate radicals into divalent sulfur ions by using microorganisms under anaerobic conditions, and then convert the divalent sulfur ions into elemental sulfur, thereby realizing removal of sulfate radicals. However, when sewage with high dissolved oxygen content, such as aquaculture sewage, is treated, it cannot be directly used, the dissolved oxygen in the sewage must be removed first, which will undoubtedly increase the flow and investment of sewage treatment, and after the sulfate radicals in the sewage are converted into elemental sulfur by conventional methods, it is difficult to recover the elemental sulfur from the sewage treatment device, resulting in waste of resources.
Disclosure of Invention
The above-mentioned not enough to prior art exists, the utility model aims at providing a device that is used for removing sulfate radical recovery elemental sulfur under aerobic condition just, the device can directly be used for handling the sewage of high dissolved oxygen, can effectively turn into elemental sulfur with the sulfate radical simultaneously to can effectively retrieve elemental sulfur.
The technical scheme of the utility model is realized like this:
a device for removing sulfate radicals and recycling elemental sulfur under aerobic conditions comprises a horizontally arranged bottom plate, and a cylindrical outer layer framework and an inner layer framework which are vertically arranged on the bottom plate, wherein the inner layer framework is arranged in the outer layer framework and is concentric with the outer layer framework; the cladding of outer skeleton outside has the biofilm carrier, be equipped with oxygen deficiency type microorganism carrier between outer skeleton and inlayer skeleton, be equipped with anaerobic type microorganism carrier in the inlayer skeleton, evenly distributed has the water hole respectively on outer skeleton and the inlayer skeleton, be convenient for sewage in proper order from outer skeleton outer through outer skeleton, inlayer skeleton gets into in the inlayer skeleton, thereby form the aerobic zone outside outer skeleton along with the consumption of oxygen, form the anoxic zone between outer skeleton and inlayer skeleton, form the anaerobic zone in the inlayer skeleton, make the sulfate radical in the sewage reduced into negative bivalent sulphur in the anaerobic zone, and along with the rising of negative bivalent sulphur concentration and diffusion entering anoxic zone, thereby oxidized into elemental sulphur in the anoxic zone, and then realize getting rid of the sulfate radical.
Further, the oxygen-deficient microorganism carriers are two and are all arranged between the outer layer framework and the inner layer framework.
Furthermore, the two anoxic microbial carriers are in a net structure and are respectively coated on the inner surface of the outer layer framework and the outer surface of the inner layer framework.
Furthermore, an adsorption carrier is detachably arranged between the two anoxic microbial carriers, so that the attachment growth of elemental sulfur crystals is facilitated.
Furthermore, the adsorption carrier is cylindrical and is concentrically arranged with the inner layer framework, a clamping groove corresponding to the adsorption carrier is formed in the bottom plate, the adsorption carrier is clamped in the clamping groove to limit the adsorption carrier, and meanwhile the adsorption carrier can be taken out conveniently to recycle the elemental sulfur.
Further, still include the apron, the apron level sets up in outer skeleton top in order to close the top.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the device can directly be used for handling the sewage of high dissolved oxygen, thereby can effectively reduce sewage treatment's flow and investment, use the device can be effectively in the outside of device to inside formation aerobic zone, anoxic zone and anaerobic zone simultaneously, become the negative bivalent sulphur with the sulfate radical at anaerobic zone sulfate reducing bacteria, the negative bivalent sulphur diffuses to the anoxic zone again, the negative bivalent sulphur becomes the elemental sulphur by the sulphide oxidizing bacteria in this region, form the elemental sulphur crystal, thereby realize the getting rid of the sulfate radical.
2. The utility model discloses a netted oxygen deficiency type microbial carrier can effectively hold back the elemental sulfur in anoxic zone, simultaneously through the adsorption carrier who sets up between two oxygen deficiency type microbial carrier, the elemental sulfur of being convenient for adheres to the growth, and the adsorption carrier is for dismantling the setting to be convenient for just can realize the effective recovery of elemental sulfur through taking out the adsorption carrier.
Drawings
Fig. 1-the structure of the present invention.
Fig. 2-a front cross-sectional view of the present invention.
Wherein: 1-biological filler; 2-outer layer skeleton; 3-anoxic microbial vector I; 4-an adsorption carrier; 5-anoxic microbial carrier II; 6-inner layer framework; 7-anaerobic microbial vectors; 8-bottom plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, the device for removing sulfate radicals and recovering elemental sulfur under aerobic conditions comprises a horizontally arranged bottom plate 8, and a cylindrical outer layer framework 2 and an inner layer framework 6 which are vertically arranged on the bottom plate 8, wherein the inner layer framework 6 is arranged in the outer layer framework 2 and is concentric with the outer layer framework 2; the cladding of outer skeleton 2 outside has biofilm carrier 1, be equipped with oxygen deficiency type microbial carrier between outer skeleton 2 and inlayer skeleton 6, be equipped with anaerobism type microbial carrier 7 in the inlayer skeleton, evenly distributed has the water hole respectively on outer skeleton 2 and the inlayer skeleton 6, be convenient for sewage in proper order from outer skeleton 2 outer through outer skeleton 2, inlayer skeleton 6 gets into in the inlayer skeleton 6, thereby form good oxygen district in outer skeleton 2 appearance along with the consumption of oxygen, form the anoxic zone between outer skeleton 2 and inlayer skeleton 6, form the anaerobic zone in inlayer skeleton 6, make the sulfate radical in the sewage reduced into negative bivalent sulfur in the anaerobic zone, and along with the rising of negative bivalent sulfur concentration and diffusion entering anoxic zone, thereby be oxidized into simple substance sulphur in the anoxic zone, and then realize getting rid of the sulfate radical.
When the device is used, the device is arranged in sewage, the top end of the device is ensured to expose the sewage liquid level, and the sewage is prevented from entering the device from the top end of the device, so that the sewage sequentially passes through the biological filler, the outer layer framework, the anoxic microbial carrier and the inner layer framework, enters the inner layer framework and contacts with the anaerobic microbial carrier in the inner layer framework. Aerobic microorganisms grow on the biological filler, anoxic microorganisms grow on an anoxic microorganism carrier, anaerobic microorganisms grow on the anaerobic organism carrier, in the process of diffusing sewage from outside to inside, the aerobic microorganisms on the biological filler and the anoxic microorganisms on the anoxic microorganism carrier gradually consume oxygen, so that an aerobic zone, an anoxic zone and an anaerobic zone are formed, sulfate radicals are changed into negative divalent sulfur by sulfate reducing bacteria in the anaerobic zone, the negative divalent sulfur is diffused to the anoxic zone again, and the sulfur is changed into elemental sulfur by sulfide oxidizing bacteria in the anaerobic zone to form elemental sulfur crystals.
The outer skeleton and the inner layer can be made of plastic with corrosion resistance.
In specific implementation, the two anoxic microbial carriers are arranged between the outer layer framework 2 and the inner layer framework 6.
In specific implementation, the two anoxic microorganism carriers are in a net structure and respectively coated on the inner surface of the outer layer framework and the outer surface of the inner layer framework. The anaerobic microorganism carrier can be a net-shaped carrier, and the anaerobic microorganism is attached to the upper surface of the carrier. And the two anoxic microorganism carriers are respectively coated on the inner surface of the outer layer framework and the outer surface of the inner layer framework. Wherein the anoxic microbial carrier I3 is arranged on the inner surface of the outer layer framework 2, and the anoxic microbial carrier II 5 is arranged on the outer surface of the inner layer framework 6.
The two anoxic microorganism carriers are in a net structure, so that elemental sulfur can be effectively intercepted in an anoxic zone.
During specific implementation, the adsorption carrier 4 is detachably arranged between the outer layer framework 2 and the inner layer framework 6, so that the elemental sulfur crystal can be conveniently attached and grown.
The adsorption carrier is beneficial to growth and attachment of elemental sulfur, the abundance of the elemental sulfur obtained along with closure in an anoxic zone is continuously increased, the elemental sulfur crystals are promoted to be attached to the adsorption carrier to grow, and the elemental sulfur can be conveniently and rapidly recovered by taking out the adsorption carrier. A layer of elemental sulfur can be plated on the adsorption carrier in advance, so that a crystal nucleus is provided for the subsequent crystallization of sulfur, and the crystallization of elemental sulfur on the adsorption carrier is promoted.
When the sulfur-free adsorption device is specifically implemented, the adsorption carrier 4 is cylindrical and concentrically arranged with the inner layer framework 6, a clamping groove (not shown in the figure) corresponding to the adsorption carrier 4 is formed in the bottom plate 8, the adsorption carrier 4 is clamped in the clamping groove to limit the adsorption carrier 4, and meanwhile, the adsorption carrier 4 is convenient to take out so as to recycle elemental sulfur.
In practical application, the device further comprises a cover plate (not shown in the figure), and the cover plate is horizontally arranged at the top end of the outer layer framework 2 so as to seal the top end.
Thus, when the device is used, the device can be immersed in sewage, the maximum utilization is realized, and meanwhile, the sewage is prevented from entering the device from the top end.
Finally, it should be noted that the above-mentioned embodiments of the present invention are only examples for illustrating the present invention, and are not limitations to the embodiments of the present invention. Variations and modifications in other variations will occur to those skilled in the art upon reading the foregoing description. Not all embodiments are exhaustive. All obvious changes or variations which are introduced by the technical proposal of the utility model are still within the protection scope of the utility model.
Claims (6)
1. A device for removing sulfate radicals and recycling elemental sulfur under aerobic conditions is characterized by comprising a horizontally arranged bottom plate, and a cylindrical outer layer framework and an inner layer framework which are vertically arranged on the bottom plate, wherein the inner layer framework is arranged in the outer layer framework and is concentric with the outer layer framework; the cladding of outer skeleton outside has the biofilm carrier, be equipped with oxygen deficiency type microorganism carrier between outer skeleton and inlayer skeleton, be equipped with anaerobic type microorganism carrier in the inlayer skeleton, evenly distributed has the water hole respectively on outer skeleton and the inlayer skeleton, be convenient for sewage in proper order from outer skeleton outer through outer skeleton, inlayer skeleton gets into in the inlayer skeleton, thereby form the aerobic zone outside outer skeleton along with the consumption of oxygen, form the anoxic zone between outer skeleton and inlayer skeleton, form the anaerobic zone in the inlayer skeleton, make the sulfate radical in the sewage reduced into negative bivalent sulphur in the anaerobic zone, and along with the rising of negative bivalent sulphur concentration and diffusion entering anoxic zone, thereby oxidized into elemental sulphur in the anoxic zone, and then realize getting rid of the sulfate radical.
2. The apparatus for recovering elemental sulfur from sulfate removal under aerobic conditions according to claim 1, wherein two of the anoxic microbial carriers are disposed between the outer skeleton and the inner skeleton.
3. The apparatus of claim 2, wherein the two anoxic microbial carriers are in a net structure and respectively coated on the inner surface of the outer skeleton and the outer surface of the inner skeleton.
4. The apparatus as claimed in claim 3, wherein an adsorption carrier is detachably disposed between the two anoxic microorganism carriers to facilitate the attachment and growth of elemental sulfur crystals.
5. The apparatus of claim 4, wherein the adsorption carrier is cylindrical and concentric with the inner skeleton, and the bottom plate has a slot corresponding to the adsorption carrier, and the adsorption carrier is clamped in the slot to limit the adsorption carrier and facilitate the removal of the adsorption carrier for recovering the elemental sulfur.
6. An apparatus for the aerobic removal of sulfate for elemental sulfur recovery according to any one of claims 1~5 further comprising a cover plate horizontally disposed over the top end of the outer shell frame to close the top end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221633027.0U CN217535602U (en) | 2022-06-28 | 2022-06-28 | Device for removing sulfate radical and recovering elemental sulfur under aerobic condition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221633027.0U CN217535602U (en) | 2022-06-28 | 2022-06-28 | Device for removing sulfate radical and recovering elemental sulfur under aerobic condition |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116925889A (en) * | 2023-09-18 | 2023-10-24 | 中国市政工程西南设计研究总院有限公司 | Nitrifying bacteria enrichment culture device and sewage treatment device and method |
| CN117228839A (en) * | 2023-11-10 | 2023-12-15 | 重庆大学 | Integrated synchronous denitrification and desulfurization device and sewage treatment method |
-
2022
- 2022-06-28 CN CN202221633027.0U patent/CN217535602U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116925889A (en) * | 2023-09-18 | 2023-10-24 | 中国市政工程西南设计研究总院有限公司 | Nitrifying bacteria enrichment culture device and sewage treatment device and method |
| CN116925889B (en) * | 2023-09-18 | 2024-02-02 | 中国市政工程西南设计研究总院有限公司 | Sewage treatment device and method |
| CN117228839A (en) * | 2023-11-10 | 2023-12-15 | 重庆大学 | Integrated synchronous denitrification and desulfurization device and sewage treatment method |
| CN117228839B (en) * | 2023-11-10 | 2024-08-13 | 重庆大学 | Integrated synchronous denitrification and desulfurization device and sewage treatment method |
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