CN111807462A - Cyclone solid-liquid separation device for anaerobic bioreactor - Google Patents
Cyclone solid-liquid separation device for anaerobic bioreactor Download PDFInfo
- Publication number
- CN111807462A CN111807462A CN202010651040.8A CN202010651040A CN111807462A CN 111807462 A CN111807462 A CN 111807462A CN 202010651040 A CN202010651040 A CN 202010651040A CN 111807462 A CN111807462 A CN 111807462A
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- hydrocyclone
- unpowered
- liquid separation
- anaerobic bioreactor
- johnson pipe
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- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 238000000926 separation method Methods 0.000 title claims abstract description 34
- 239000010802 sludge Substances 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims description 11
- 239000002351 wastewater Substances 0.000 claims description 9
- 230000002550 fecal effect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000149 chemical water pollutant Substances 0.000 claims description 3
- 244000144972 livestock Species 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000010992 reflux Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 244000005700 microbiome Species 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Cyclones (AREA)
Abstract
The invention relates to a cyclone solid-liquid separation device for an anaerobic bioreactor, which is characterized in that: comprises a Johnson pipe and an unpowered hydrocyclone coupled with the Johnson pipe and arranged outside the Johnson pipe; the side wall of the unpowered hydrocyclone is provided with a mixed liquid inlet, and the opposite side wall of the unpowered hydrocyclone far away from the mixed liquid inlet is provided with a concentrated liquid outlet; one end of the Johnson pipe penetrates out of the unpowered hydrocyclone to form a drainage outlet, the device is simple and convenient to operate, and is applied to the sludge concentration backflow treatment process of the completely mixed anaerobic reactor, so that the volume load of the anaerobic bioreactor is improved, and the anaerobic bioreactor is promoted to operate efficiently.
Description
Technical Field
The invention relates to a cyclone solid-liquid separation device for an anaerobic bioreactor, belonging to the technical field of environment-friendly equipment.
Background
The advantages and importance of anaerobic bioreactors in the field of sewage/wastewater treatment are gradually being re-recognized and valued by people in the global environment of low carbon economy. Before this, anaerobic biological treatment has been far behind the development of aerobic biological treatment for a long time in theory, technology and application, and the worldwide problem of energy shortage is highlighted, so that people are prompted to recognize the relevant technology of anaerobic biological reaction, and a great deal of research is carried out on the design of treatment process and reactor structure and the recovery of products and products, so that the theory and practice of anaerobic biological reaction technology are greatly improved and widely applied.
The anaerobic reaction process is essentially a series of complex biochemical reactions, wherein substrates, various intermediate products, final products and various groups of microorganisms interact to form a complex micro-ecosystem which is similar to the food chain relationship in macroecology, various microorganisms form a symbiotic relationship or a co-nutrition relationship through nutrient substrates and metabolites, and the microorganisms contact with organic matters in wastewater to adsorb and decompose the organic matters, so that the aim of wastewater treatment is fulfilled. The completely mixed anaerobic reactor is an anaerobic wastewater biological treatment device which is provided with a stirring device in a sewage treatment reactor, so that high-concentration organic wastewater with high suspended matters and anaerobic microorganisms are in a completely mixed state to degrade organic pollutants in sewage and remove suspended matters; the complete mixing type anaerobic bioreactor comprises two modes of no sludge backflow and sludge backflow. The fully mixed anaerobic reactor has the advantages of low investment, simple operation, quick start and the like, so that the fully mixed anaerobic reactor is adopted under the conditions of low professional level of operators and low investment, but compared with the high-efficiency anaerobic reactor, the fully mixed anaerobic reactor has the advantages of low volume utilization rate and large occupied area, thereby limiting the application places of the fully mixed anaerobic reactor.
In the prior art, the anaerobic bioreactor needing sludge backflow generally realizes the concentration and backflow of sludge by connecting a sludge concentration tank, a filter press is generally utilized to carry out solid-liquid separation in the sludge concentration tank, but the occupied area of the anaerobic bioreactor can be increased by connecting the sludge concentration tank and a plate type filter pressing device, the volume utilization rate is reduced, and the wastewater treatment efficiency is lower.
Disclosure of Invention
Aiming at the key problems of low sludge concentration and recovery efficiency and the like in the conventional anaerobic bioreactor, the invention provides the cyclone solid-liquid separation device for the anaerobic bioreactor, which is simple and convenient to operate, is applied to the sludge concentration and backflow treatment process of a completely mixed anaerobic reactor, not only improves the volume load of the anaerobic bioreactor, but also promotes the anaerobic bioreactor to operate efficiently.
The technical scheme of the invention is as follows:
the invention discloses a cyclone solid-liquid separation device for an anaerobic bioreactor, which comprises a Johnson pipe and an unpowered hydrocyclone coupled with the Johnson pipe and arranged outside the Johnson pipe; the side wall of the unpowered hydrocyclone is provided with a mixed liquid inlet, and the opposite side wall of the unpowered hydrocyclone far away from the mixed liquid inlet is provided with a concentrated liquid outlet; one end of the Johnson pipe penetrates out of the unpowered hydrocyclone to form a drainage outlet.
Furthermore, the unpowered hydrocyclone comprises a sleeve sleeved outside the Johnson pipe and an end surface flow guide device arranged on the inner side wall of the sleeve, and the end surface flow guide device guides the mixed liquid entering the sleeve.
Further, the end surface flow guide device is a straight spiral blade; a spiral channel is formed among the sleeve, the straight helical blade and the Johnson pipe; the ratio of the height to the diameter of the straight helical blade is 1: 0.2-1: 0.5, and the ratio of the height of the straight spiral blade to the spiral distance is 1: 1-1: 3.
Further, the Johnson pipe is connected with the unpowered hydrocyclone by a flange.
The invention also discloses application of the cyclone solid-liquid separation device for the anaerobic bioreactor in the aspects of reflux sludge concentration treatment and solid-liquid separation of the completely mixed anaerobic reactor for treating agricultural product production wastewater, landfill leachate, rural fecal sewage and livestock farm fecal sewage
Compared with the prior art, the invention has the following beneficial effects:
1. the cyclone solid-liquid separation device for the anaerobic bioreactor has the advantages of simplicity and convenience in operation, investment saving, strong practicability and energy saving, overcomes the defects of complex structure, high investment and high requirement on professional degree of operators of the conventional efficient anaerobic bioreactor, and fundamentally solves the technical problems and the investment limit of treatment of waste water in production of agricultural products such as beet sugar-making waste water, potato starch-making waste water and the like, garbage percolate, rural fecal sewage and farm fecal sewage, thereby realizing 'green production' in a real sense and simultaneously realizing the recycling purpose of pollutants.
2. According to the cyclone solid-liquid separation device for the anaerobic bioreactor, provided by the invention, the high-concentration sludge concentration backflow can be realized through the mutual matching of the Johnson pipe and the unpowered hydrocyclone, and the high-concentration sludge concentration backflow is realized; the mixed liquor treated by the complete mixing type anaerobic reactor is lifted by a reflux pump to enter a cyclone solid-liquid separation device, the mixed liquor is filtered by a Johnson pipe, the suspended matter of the permeate liquid can be reduced to be below 10mg/L, the concentrated water side is the outer side wall of the Johnson pipe, the suspended sludge concentration of the mixed liquor after concentration can reach 20g/L, the sludge concentration in the complete mixing type anaerobic reactor can reach 10g/L by 100 percent of reflux, the volume load of the complete mixing type anaerobic bioreactor is improved, and the efficient operation of the reactor is realized.
3. The unpowered hydrocyclone of the cyclone solid-liquid separation device for the anaerobic bioreactor mainly utilizes a unpowered flushing mode, mixed liquid entering the unpowered hydrocyclone through a mixed liquid inlet forms a cyclone in a spiral channel in front of a sleeve and a Johnson pipe through the guide action of a straight spiral blade of an outer hydrocyclone, and the mixed liquid entering in the tangential direction is converted from an axial speed to an effective tangential speed which is favorable for flushing a solid-liquid separation surface under the guide action of the spiral blade, so that the separation surface is flushed automatically at a high flow speed in the solid-liquid separation process, sludge concentration on a thick water side is realized, and the surface of the Johnson pipe is not blocked.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 is a cross-sectional view of an unpowered hydrocyclone in accordance with the present invention.
The reference numbers in the figures denote:
1. a Johnson tube; 11. a mixed liquid inlet; 12. a concentrated solution outlet; 13. a drain outlet; 2. a non-powered hydrocyclone; 21. a sleeve; 22. a straight helical blade; 23. a spiral channel.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 and 2, a cyclone solid-liquid separation apparatus for an anaerobic bioreactor includes a johnson pipe 1 and an unpowered hydrocyclone 2 coupled to the johnson pipe 1 and disposed outside the johnson pipe 1; the side wall of the unpowered hydrocyclone 2 is provided with a mixed liquid inlet 11, and the opposite side wall of the unpowered hydrocyclone 2 far away from the mixed liquid inlet 21 is provided with a concentrated liquid outlet 12; one end of the Johnson pipe 1 penetrates out of the unpowered hydrocyclone 2 to form a drainage outlet 13; the mixed liquid inlet 21 is externally connected with a reflux pump, and the mixed liquid of the completely mixed anaerobic reactor is lifted by the reflux pump to enter the cyclone solid-liquid separation device; the johnson pipe 1 is capable of filtering the mixed liquor entering the entire plant to reduce the suspended matter concentration of the permeate; the unpowered hydrocyclone 2 can wash the outer side wall of the Johnson pipe 1 through rotational flow, and the Johnson pipe 1 is prevented from being blocked.
Further, the unpowered hydrocyclone 2 comprises a casing 21 sleeved outside the johnson pipe 1 and an end surface flow guide device arranged on the inner side wall of the casing 21, and the end surface flow guide device guides the mixed liquid entering the casing 21.
Further, the end surface flow guiding device is a straight spiral blade 22; a spiral channel 23 is formed among the sleeve 21, the straight helical blade 22 and the Johnson pipe 1; the ratio of the height to the diameter of the straight helical blade 22 is 1: 0.2-1: 0.5, the ratio of the height of the straight spiral blade 22 to the spiral distance is 1: 1-1: 3; the straight helical blade 22 converts the axial speed of the inflowing mixed liquid into an effective tangential speed which is beneficial to washing a solid-liquid separation surface (namely the outer side surface of the Johnson pipe 1), so that the concentrated water side of the solid-liquid separation surface is continuously and automatically washed at a high flow speed in the solid-liquid separation process, the sludge concentration of the concentrated water side is realized, and the solid-liquid separation surface is not blocked, wherein the concentrated water side of the solid-liquid separation surface refers to a helical channel 23 formed by the Johnson pipe 1, the sleeve 21 and the straight helical blade 22.
Further, the Johnson pipe 1 is connected with the unpowered hydrocyclone 2 through a flange.
The invention also discloses application of the cyclone solid-liquid separation device for the anaerobic bioreactor in the aspects of backflow sludge concentration treatment and solid-liquid separation of the completely mixed anaerobic reactor for treating agricultural product production wastewater, landfill leachate, rural fecal sewage and livestock farm fecal sewage. The concentration of suspended sludge of the mixed liquor on the concentrated water side of the solid-liquid separation surface can reach 20g/L after the mixed liquor penetrates through the Johnson pipe 1, and then the concentration of the sludge in the anaerobic bioreactor can reach 10g/L by 100 percent of reflux, so that the efficient operation of the anaerobic bioreactor is realized.
The working principle of the invention is as follows:
the cyclone solid-liquid separation device for the anaerobic bioreactor is communicated with a reflux pump of a complete mixing type anaerobic bioreactor, under the pressure action of pumping mixed liquid, the completely mixed liquid of the anaerobic bioreactor enters a spiral channel 23 among a Johnson pipe 1, a sleeve 21 and a straight spiral blade 22 through a mixed liquid inlet 21, flows through the Johnson pipe 1 on the outer side wall of the Johnson pipe 1, the straight spiral blade 22 plays a guiding role on the mixed liquid, and simultaneously washes a concentrated water side of a solid-liquid separation surface through the spiral channel in a cyclone mode, the mixed liquid forms filtration and self cleaning when passing through the Johnson pipe 1, sludge and suspended matters are left on the outer side of the Johnson pipe 1, and the clarified liquid enters the interior of the Johnson pipe 1 and then is discharged through a discharge outlet 11; the separated solid flows back to the anaerobic bioreactor to improve and maintain the sludge concentration (namely microorganism concentration) in the anaerobic bioreactor, and the separated liquid enters the next unit for continuous treatment or secondary utilization of farmland irrigation.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A cyclone solid-liquid separation device for an anaerobic bioreactor is characterized in that: comprises a Johnson pipe (1) and an unpowered hydrocyclone (2) coupled with the Johnson pipe (1) and arranged outside the Johnson pipe (2); a mixed liquid inlet (11) is formed in the side wall of the unpowered hydrocyclone (2), and a concentrated liquid outlet (12) is formed in the opposite side wall of the unpowered hydrocyclone (2) far away from the mixed liquid inlet (11); one end of the Johnson pipe (2) penetrates out of the unpowered hydrocyclone (2) to form a drainage outlet (13).
2. The cyclone solid-liquid separation apparatus for an anaerobic bioreactor according to claim 1, wherein: the unpowered hydrocyclone (2) comprises a sleeve (21) sleeved outside the Johnson pipe (1) and an end face flow guide device arranged on the inner side wall of the sleeve (21), and the end face flow guide device guides mixed liquid entering the sleeve (21).
3. The cyclone solid-liquid separation apparatus for an anaerobic bioreactor according to claim 2, wherein: the end surface flow guide device is a straight spiral blade (22); a spiral channel (23) is formed among the sleeve (21), the straight helical blade (22) and the Johnson pipe (1); the ratio of the height to the diameter of the straight helical blade (22) is 1: 0.2-1: 0.5, and the ratio of the height of the straight spiral blade (22) to the spiral pitch is 1:1 to 1: 3.
4. The cyclone solid-liquid separation apparatus for an anaerobic bioreactor according to claim 3, wherein: the Johnson pipe (1) is connected with the unpowered hydrocyclone (2) through a flange.
5. A cyclone solid-liquid separation apparatus for an anaerobic bioreactor as claimed in any one of claims 1 to 4
The completely mixed anaerobic reactor is used for treating agricultural product production wastewater, landfill leachate, rural fecal sewage and livestock farm fecal sewage in the aspects of backflow sludge concentration treatment and solid-liquid separation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651040.8A CN111807462A (en) | 2020-07-08 | 2020-07-08 | Cyclone solid-liquid separation device for anaerobic bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651040.8A CN111807462A (en) | 2020-07-08 | 2020-07-08 | Cyclone solid-liquid separation device for anaerobic bioreactor |
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| Publication Number | Publication Date |
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| CN111807462A true CN111807462A (en) | 2020-10-23 |
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| CN202010651040.8A Pending CN111807462A (en) | 2020-07-08 | 2020-07-08 | Cyclone solid-liquid separation device for anaerobic bioreactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461272A (en) * | 2021-07-27 | 2021-10-01 | 贵州纳雍源生牧业股份有限公司 | Treatment device for livestock breeding sewage |
Citations (7)
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|---|---|---|---|---|
| CN102603124A (en) * | 2012-03-31 | 2012-07-25 | 华南理工大学 | Two-phase two-period anaerobic organism reactor for processing wastewater |
| CN104162389A (en) * | 2014-06-13 | 2014-11-26 | 张英才 | Reactor for liquid-solid two-phase continuous reaction and on-line separation |
| CN109534650A (en) * | 2018-12-28 | 2019-03-29 | 南京工业大学 | A kind of equipment for separating liquid from solid and its application method |
| CN110496434A (en) * | 2019-08-29 | 2019-11-26 | 上海环境卫生工程设计院有限公司 | Desanding de-sludging device and implementation method in landfill leachate system for anaerobic treatment |
| JP2019209270A (en) * | 2018-06-05 | 2019-12-12 | メタウォーター株式会社 | Screw-type separation device and waste water treatment system |
| CN110743252A (en) * | 2019-10-15 | 2020-02-04 | 哈尔滨工程大学 | Spiral gas-liquid separator |
| WO2020111747A1 (en) * | 2018-11-30 | 2020-06-04 | 주식회사 환경에너지오앤엠 | High rate dry-type anaerobic digestion apparatus for processing high concentration organic waste |
-
2020
- 2020-07-08 CN CN202010651040.8A patent/CN111807462A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102603124A (en) * | 2012-03-31 | 2012-07-25 | 华南理工大学 | Two-phase two-period anaerobic organism reactor for processing wastewater |
| CN104162389A (en) * | 2014-06-13 | 2014-11-26 | 张英才 | Reactor for liquid-solid two-phase continuous reaction and on-line separation |
| JP2019209270A (en) * | 2018-06-05 | 2019-12-12 | メタウォーター株式会社 | Screw-type separation device and waste water treatment system |
| WO2020111747A1 (en) * | 2018-11-30 | 2020-06-04 | 주식회사 환경에너지오앤엠 | High rate dry-type anaerobic digestion apparatus for processing high concentration organic waste |
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| CN110496434A (en) * | 2019-08-29 | 2019-11-26 | 上海环境卫生工程设计院有限公司 | Desanding de-sludging device and implementation method in landfill leachate system for anaerobic treatment |
| CN110743252A (en) * | 2019-10-15 | 2020-02-04 | 哈尔滨工程大学 | Spiral gas-liquid separator |
Non-Patent Citations (1)
| Title |
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| 中国饮料工业协会编: "《饮料制作工》", 31 January 2010, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461272A (en) * | 2021-07-27 | 2021-10-01 | 贵州纳雍源生牧业股份有限公司 | Treatment device for livestock breeding sewage |
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Application publication date: 20201023 |
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