CN204508916U - A kind of water inlet of anaerobic reactor and backflow water distribution system - Google Patents
A kind of water inlet of anaerobic reactor and backflow water distribution system Download PDFInfo
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- CN204508916U CN204508916U CN201520169734.2U CN201520169734U CN204508916U CN 204508916 U CN204508916 U CN 204508916U CN 201520169734 U CN201520169734 U CN 201520169734U CN 204508916 U CN204508916 U CN 204508916U
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Abstract
The utility model discloses a kind of water inlet and backflow water distribution system of anaerobic reactor, belong to technical field of waste water processing.It comprises tank body, water inlet water distribution system and backflow water distribution system, described water inlet water distribution system is made up of water inlet pipe, water inlet pipe, described water inlet pipe penetrates from the left surface bottom vertical of tank body, and described water inlet pipe is evenly arranged on the both sides of water inlet pipe, and described water inlet pipe is positioned at above tank base; Described backflow water distribution system is made up of return line, reflux pump, backflow arm I, backflow arm II, bend pipe and nozzle, return line is positioned at above water inlet pipe, backflow arm I is evenly arranged on the both sides of return line, backflow arm II is evenly arranged on the both sides of backflow arm I, the afterbody of backflow arm II is provided with bend pipe straight down, the end of bend pipe is provided with nozzle, and return line passes from the Right vertical of tank body, and return line is provided with reflux pump.It can realize muddy water and mix, and detention time of mud is long, improves the efficiency of anaerobic reaction.
Description
Technical field
The utility model belongs to technical field of waste water processing, relates to anaerobism sewage disposal technology, particularly relates to a kind of water inlet and backflow water distribution system of anaerobic reactor.
Background technology
Anaerobic waste water biological treatment refers to the effect by anaerobion under the condition of free-dioxygen, complicated organic substance decomposing various in waste water is changed into the process of the materials such as methane and carbon dioxide.Anaerobic process is not only applicable to high concentrated organic wastewater, and in being applicable to again, low-concentration organic waste water, some aerobic method of anaerobic process degradable is difficult to the organism of degrading simultaneously, and its to produce sludge quantity few, simple to operate, operation cost is low.Therefore Anaerobic Microbiological Treatment Technology is applied more and more extensive in the treatment of waste water.But anaerobic reactor also exists return-flow system and is back to inlet channel, two systems mix mutually, cause water inlet system and return-flow system water distribution uneven, upflow velocity is affected, thus muddy water mixing is uneven, and sludge retention time is short, thus affect the treatment effect of anaerobic system, when flooding quantity is on the low side or without water inlet, anaerobic reactor can be out of service immediately, and impact normally works.
Chinese utility model patent, Authorization Notice No.: CN 202297251 U, authorized announcement date: 2012.07.04, disclose water distribution and the return-flow system of IC internal-circulation anaerobic reactor, it comprises tank body, water distribution system, return-flow system, and described water distribution system is made up of water-in, umbrella shape base plate, some rising pipes, the reflector that is arranged on the rising pipe mouth of pipe; Described return-flow system is made up of return line, reflux splitter, some arms, bend pipe, nipple, reverse flow nozzle, described reverse flow nozzle straight down, be arranged on the gap of water distribution system rising pipe reflector locus.This utility model tool has the following advantages: this system effectively improves internal recycle and the mass transfer effect of IC reactor, overcome the shortcomings such as uneven, the easy generation dead angle of muddy water mixing, thus greatly increase the microorganism concn of reaction zone, also improve sludge retention time, eliminate the dead angle in tank body, along with the raising of sludge concentration and microorganism concn; Insoluble organic removal effect is effectively promoted.This utility model also has the advantages such as structure is simple, good stability, can extensively promote the use of.Although its weak point is it overcome muddy water mixing uneven, improve sludge retention time, eliminate the dead angle in tank body, improve insoluble organic removal effect, but still exist when flooding quantity is on the low side or without water inlet, anaerobic reactor can be out of service immediately, the normal work of impact, its water-in does not adopt any measure to make fully to mix into water and mud, be unfavorable for abundant reaction, and return-flow system valveless and power system, quantity of reflux can not be regulated according to actual motion effect, if flooding quantity is unstable, quantity of reflux also can be unstable, thus make whole reactor assembly treatment effect unstable, be not suitable for the Industrial Wastewater Treatment for the production of instability.
Chinese utility model patent, Authorization Notice No.: CN 202508920 U, authorized announcement date: 2012.10.31, disclose a kind of anaerobic reactor, belong to technical field of waste water processing, it comprises tank body and water-distributing device, be characterised in that: water-distributing device comprises point water bag and a water distribution unit, water distribution unit is positioned at the bottom of tank body, and water distribution unit comprises a water distribution be connected with point water bag to be responsible for, to be responsible for the water distribution branch pipe of more than that is connected with water distribution, and water distribution branch pipe evenly offers water distributing pore.This anaerobic reactor comprises point water bag and a water distribution unit due to water-distributing device, water distribution unit is positioned at the bottom of tank body, water distribution unit comprises a water distribution be connected with point water bag to be responsible for, to be responsible for the water distribution branch pipe of more than that is connected with water distribution, water distribution branch pipe evenly offers water distributing pore, water distributing pore can be made to be uniformly distributed in tank body, achieve water distribution uniformity, ensure that the equilibrium of mud bed in reactor is expanded, improve the treatment effect of anaerobic reactor, and can adapt with the processing power of internal reflux system in anaerobic reactor.Its weak point is when flooding quantity is on the low side or without water inlet, anaerobic reactor can be out of service immediately, the normal work of impact, in internal reflux pipe, current are back to tank base by the pressure effect of biogas in self gravitation and air water separator, and mix with the water inlet constantly flowed into, but current can not realize fully mixing with mud in internal reflux pipe, unfavorablely fully carry out anaerobic reaction fast, the return-flow system of this anaerobic reactor is only applicable to process good biodegradability and produces the waste water of a large amount of biogas, if some anaerobic reactor is when starting period or methane quantity produce not enough, this system flowback is by inoperative.This return-flow system how many and self gravitation realization backflow according to biogas generation in addition, can not regulate quantity of reflux according to actual operating state.
Utility model content
1. the utility model technical problem that will solve
Uneven for muddy water mixing in prior art, the problem that sludge retention time is short, the utility model provides a kind of water inlet and backflow water distribution system of anaerobic reactor.Its compact construction, install simple, easy to operate, can realize muddy water and mix, detention time of mud is long, and quantity of reflux can control flexibly according to actual motion effect, improves the efficiency of anaerobic reaction.
2. technical scheme
For solving the problem, the technical scheme that the utility model provides is:
A kind of water inlet of anaerobic reactor and backflow water distribution system, it comprises tank body, it is characterized in that, it also comprises into water water distribution system and backflow water distribution system, described water inlet water distribution system is made up of water inlet pipe and water inlet pipe, described water inlet pipe penetrates from the left surface bottom vertical tank surface of tank body, and described water inlet pipe is evenly arranged on the both sides of water inlet pipe and is communicated with described water inlet pipe, and described water inlet pipe is positioned at above tank base; Described backflow water distribution system is made up of return line, reflux pump, backflow arm I, backflow arm II, bend pipe and nozzle, described return line is parallel to be positioned at above water inlet pipe, backflow arm I is evenly arranged on the both sides of return line and is communicated with described return line, described backflow arm II is evenly arranged on the both sides of backflow arm I and is communicated with backflow arm I, the afterbody of backflow arm II is provided with bend pipe straight down, the end of bend pipe is provided with nozzle, return line vertically passes from the right flank of tank body, and return line is provided with reflux pump.
Preferably, described water inlet pipe is vertical and be crisscross arranged in the both sides of water inlet pipe, and water inlet pipe and water inlet pipe are positioned at same plane, and parallel with the bottom surface of tank body.
Preferably, described water inlet pipe is evenly provided with water distributing pore.
Preferably, described backflow arm I is vertical and be symmetricly set on the both sides of return line.
Preferably, described backflow arm II is vertical and be symmetricly set on the both sides of backflow arm I.
Preferably, described return line, backflow arm I and backflow arm II are positioned at same plane, and parallel with the bottom surface of tank body.
Preferably, described nozzle is arranged at the gap into water water distribution system, and nozzle is collapsible tube.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) water inlet pipe of the utility model water inlet water distribution system is provided with water distributing pore, backflow water distribution system is positioned at the top into water water distribution system, the nozzle of backflow water distribution system is collapsible tube, these are arranged so that into water sewage, reflux Homogeneous phase mixing between sewage and mud three, effectively improves the mass transfer effect of the mass transfer system of anaerobic reactor;
(2) water inlet pipe of the utility model water inlet water distribution system is provided with water distributing pore, diffusion water distribution uniformity, nozzle on backflow water distribution system is arranged at the gap into water water distribution system, nozzle is collapsible tube, backflow distribution system flow velocity is increased instantaneously, increases backflow sewage service area, and the stirring to tank body bottom sewage can be increased, can make to mix with backflow sewage into water sewage, overcome traditional anaerobic reactor water inlet system and mix uneven problem with return-flow system sewage;
(3) water inlet pipe of the utility model water inlet water distribution system is provided with water distributing pore, the nozzle that backflow water distribution system is arranged, can make to mix into water sewage with backflow sewage, water inlet is stablized with return-flow system upflow velocity, add fully contacting of dissolved organic matter and mud in waste water, add sludge retention time, improve the removal effect of dissolved organic matter in waste water;
(4) the utility model water inlet water distribution system separates completely with backflow water distribution system, two systems can be run simultaneously, do not interfere with each other, also can independent operating, when flooding quantity is on the low side or without water inlet, anaerobism backflow water distribution system can isolated operation, anaerobic reactor can not be made out of service immediately, can ensure that anaerobic reactor normally runs for some time;
(5) return line of the utility model backflow water distribution system is provided with reflux pump, the backflow discharge of sewage can be controlled according to actual motion effect, anaerobism backflow position and quantity of reflux can regulating and controlling, backflow position can realize middle part backflow or effluent recycling according to actual process, and quantity of reflux can control flexibly according to actual motion effect;
(6) the utility model has structure simply, good stability, installs simple, easy to operate, can extensively promote the use of.
Accompanying drawing explanation
Fig. 1 is one of the present utility model and implements structural profile schematic diagram;
Fig. 2 is a water inlet water distribution system floor map of the present utility model;
Fig. 3 is a backflow water distribution system floor map of the present utility model;
Fig. 4 is a backflow water distribution system nozzle schematic diagram of the present utility model.
Label declaration in schematic diagram:
1, tank body; 2, water inlet pipe; 3, water inlet pipe; 4, water distributing pore; 5, return line; 6, reflux pump; 7, bend pipe; 8, nozzle; 9, reflux arm I; 10, reflux arm II.
Embodiment
For understanding content of the present utility model further, by reference to the accompanying drawings and embodiment the utility model is described in detail.
Embodiment 1
Certain plant produced wastepaper pulping and papermaking, produce waste water, wastewater parameter is as shown in table 1, technique adopts equalizing tank+UASB+A/O technique, transforms, before reorganization and expansion flow lifting type anaerobic reactor wherein, original treatment system water inlet only supervisor, after transformation when other condition is constant, add a kind of water inlet and backflow water distribution system of anaerobic reactor, by reference to the accompanying drawings its structure is described in detail.
Certain paper mill effluent parameter of table 1
| The water yield (t/d) | COD(mg/l) | BOD(mg/l) | pH |
| 3000 | 2000～4000 | 300～400 | 6.5～10 |
A kind of water inlet of anaerobic reactor and backflow water distribution system, as shown in Figure 1, it comprises tank body 1, water inlet water distribution system, backflow water distribution system, wherein, water inlet water distribution system is made up of water inlet pipe 2, water inlet pipe 3, water inlet pipe 2 penetrates from the left surface bottom vertical of tank body 1, and is positioned at top bottom tank body 1; As shown in Figure 2, water inlet pipe 3 is vertical with water inlet pipe 2 and be communicated with, and be evenly crisscross arranged in the both sides of water inlet pipe 2, water inlet pipe 3 is evenly provided with water distributing pore 4, diffusion water distribution uniformity, make fully to mix into water sewage with mud, and then mud is fully contacted with the dirty Organic substance in water of water inlet, water inlet pipe 2 and water inlet pipe 3 are positioned at same plane, and it is parallel with the bottom surface of tank body 1, such setting can increase water inlet sewage and the contact area of mud, is beneficial to fully mixing into water sewage and mud.
As shown in Figure 1, described backflow water distribution system is made up of return line 5, reflux pump 6, backflow arm I9, backflow arm II10, bend pipe 7 and nozzle 8.Described return line 5 is parallel to be positioned at above water inlet pipe 3, such structure design can make backflow sewage fully contact mixing with water inlet sewage, not only increase dwell time of sewage, and make to separate completely into water water distribution system and backflow water distribution system, two systems can be run simultaneously, do not interfere with each other, also can independent operating.When anaerobic reactor flooding quantity is not enough or when not intaking, backflow water distribution system can isolated operation, and mud is fully mixed with the sewage that refluxes, and safeguards system normally runs for some time, is specially adapted to the trade effluent of water unstable.Return line 5 vertically passes from the right flank of tank body 1, and return line 5 is provided with reflux pump 6, can control the backflow discharge of sewage according to actual motion effect, and the position of anaerobism backflow can realize middle part backflow or effluent recycling according to actual process.As shown in Figure 3, backflow arm I9 is vertical with return line 5 and be communicated with, and be arranged on the both sides of return line 5 symmetrically, backflow arm II10 is vertical with the arm I9 that refluxes and be communicated with, and be arranged on the both sides of backflow arm I9 symmetrically, return line 5, backflow arm I9 and backflow arm II10 are positioned at same plane, and parallel with the bottom surface of tank body 1.As shown in Figure 4, the afterbody of backflow arm II10 is provided with bend pipe 7 straight down, the end of bend pipe 7 is provided with nozzle 8, nozzle 8 is arranged at the gap into water water distribution system, nozzle 8 is collapsible tube, backflow distribution system flow velocity is increased instantaneously, increases backflow sewage service area, and the stirring to tank body 1 bottom sewage can be increased.
Wherein, tank body 1 is cylindrical structure, and be convenient to cleaning, material is stainless steel, and internal surface is zinc-plated, with protection against corrosion; All parts in water inlet water distribution system, backflow water distribution system is all stainless steel, and internal surface is zinc-plated, with protection against corrosion.
After transformation, system water distribution is more even, extended residence time, UASB anaerobic treatment effect is made to increase about 20%, owing to adding backflow water distribution system, under the equal conditions such as temperature, sludge loading, pH, influent concentration, domestication starts UASB reactor, within first 20 days, completes startup than transformation prerequisite.Transformation pre-process and post-process effect comparison is as shown in table 2.
Water treatment effect contrast before and after the transformation of certain paper mill of table 2
| Index | COD(mg/l) | BOD(mg/l) |
| UASB water outlet before transformation | 800～1600 | 120～160 |
| UASB water outlet after transformation | 400～800 | 60～80 |
Embodiment 2
Certain brew-house produces beer, produces beer waste water.Original treatment system adopts acidication+IC anaerobic reactor+aerobic treatment process, but has seasonality due to beer production industry, and production in summer amount is large, and produce sewage quantity also large, winter production amount is little, produces sewage quantity less.Due to the unstable of the water inlet sewage water yield, outlet effect extremely unstable when IC anaerobic reaction system is run in the winter time, causes aftertreatment systems unstable.Transform IC anaerobic reactor, add a kind of water inlet and backflow water distribution system of anaerobic reactor, its structure is with embodiment 1.
Wherein, tank body 1 is rectangular structure, and material is inorganic plate, and plated surface paint, with protection against corrosion; All parts in water inlet water distribution system, backflow water distribution system is all quality of rubber materials, with protection against corrosion.
After transforming IC anaerobic reaction system, even if when nothing is intake or flooding quantity is less, IC reactor still can normally run more than 60 days, increases by more than 30 days than before transformation.
Claims (7)
1. an anaerobic reactor water inlet and backflow water distribution system, it comprises tank body (1), it is characterized in that, it also comprises into water water distribution system and backflow water distribution system, described water inlet water distribution system is made up of water inlet pipe (2) and water inlet pipe (3), described water inlet pipe (2) penetrates from left surface bottom vertical tank body (1) surface of tank body (1), described water inlet pipe (3) is evenly arranged on the both sides of water inlet pipe (2) and is communicated with described water inlet pipe (2), and described water inlet pipe (2) is positioned at top, tank body (1) bottom, described backflow water distribution system is by return line (5), reflux pump (6), backflow arm I (9), backflow arm II (10), bend pipe (7) and nozzle (8) composition, described return line (5) is parallel is positioned at water inlet pipe (3) top, backflow arm I (9) is evenly arranged on the both sides of return line (5) and is communicated with described return line (5), described backflow arm II (10) is evenly arranged on the both sides of backflow arm I (9) and is communicated with backflow arm I (9), the afterbody of backflow arm II (10) is provided with bend pipe (7) straight down, the end of bend pipe (7) is provided with nozzle (8), return line (5) vertically passes from the right flank of tank body (1), return line (5) is provided with reflux pump (6).
2. a kind of anaerobic reactor according to claim 1 water inlet and backflow water distribution system, it is characterized in that, described water inlet pipe (3) is vertical and be crisscross arranged in the both sides of water inlet pipe (2), water inlet pipe (2) and water inlet pipe (3) are positioned at same plane, and parallel with the bottom surface of tank body (1).
3. a kind of anaerobic reactor according to claim 2 water inlet and backflow water distribution system, it is characterized in that, described water inlet pipe (3) is evenly provided with water distributing pore (4).
4. the water inlet of a kind of anaerobic reactor according to claim 1 and backflow water distribution system, is characterized in that, described backflow arm I (9) is vertical and be symmetricly set on the both sides of return line (5).
5. the water inlet of a kind of anaerobic reactor according to claim 1 and backflow water distribution system, is characterized in that, described backflow arm II (10) is vertical and be symmetricly set on the both sides of backflow arm I (9).
6. the water inlet of a kind of anaerobic reactor according to claim 1,4 or 5 and backflow water distribution system, it is characterized in that, described return line (5), backflow arm I (9) and backflow arm II (10) are positioned at same plane, and parallel with the bottom surface of tank body (1).
7. a kind of anaerobic reactor according to claim 1 water inlet and backflow water distribution system, it is characterized in that, described nozzle (8) is arranged at the gap into water water distribution system.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105330012A (en) * | 2015-11-04 | 2016-02-17 | 杭州师范大学 | Multi-point water inlet type trickling filter reactor |
| CN107879561A (en) * | 2017-12-15 | 2018-04-06 | 河南省正大环境科技咨询工程有限公司 | Medical infusion Waste Water Treatment |
| CN109650537A (en) * | 2019-01-24 | 2019-04-19 | 浙江省环境保护科学设计研究院 | A kind of hydrolysis device and technique of multiple spot up-flow water inlet water distribution |
| CN110104772A (en) * | 2019-05-29 | 2019-08-09 | 北京高能时代环境技术股份有限公司 | Anaerobic jar water inlet arrangement apparatus |
| CN113620425A (en) * | 2021-08-27 | 2021-11-09 | 金锣水务有限公司 | Upflow anaerobic sludge blanket reaction device and method |
| CN113754055A (en) * | 2021-10-12 | 2021-12-07 | 江苏南大华兴环保科技股份公司 | Water distribution system applied to anaerobic treatment device for high-concentration toxic organic wastewater |
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- 2015-03-24 CN CN201520169734.2U patent/CN204508916U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105330012A (en) * | 2015-11-04 | 2016-02-17 | 杭州师范大学 | Multi-point water inlet type trickling filter reactor |
| CN105330012B (en) * | 2015-11-04 | 2017-09-01 | 杭州师范大学 | A kind of multipoint water feeding formula Trickling filter reactor |
| CN107879561A (en) * | 2017-12-15 | 2018-04-06 | 河南省正大环境科技咨询工程有限公司 | Medical infusion Waste Water Treatment |
| CN109650537A (en) * | 2019-01-24 | 2019-04-19 | 浙江省环境保护科学设计研究院 | A kind of hydrolysis device and technique of multiple spot up-flow water inlet water distribution |
| CN109650537B (en) * | 2019-01-24 | 2023-08-18 | 浙江省环境保护科学设计研究院 | Multi-point up-flow type water inlet and distribution hydrolysis device and process |
| CN110104772A (en) * | 2019-05-29 | 2019-08-09 | 北京高能时代环境技术股份有限公司 | Anaerobic jar water inlet arrangement apparatus |
| CN113620425A (en) * | 2021-08-27 | 2021-11-09 | 金锣水务有限公司 | Upflow anaerobic sludge blanket reaction device and method |
| CN113754055A (en) * | 2021-10-12 | 2021-12-07 | 江苏南大华兴环保科技股份公司 | Water distribution system applied to anaerobic treatment device for high-concentration toxic organic wastewater |
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Granted publication date: 20150729 Termination date: 20200324 |
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