CN200943057Y - Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor - Google Patents

Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor Download PDF

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Publication number
CN200943057Y
CN200943057Y CNU2006200777020U CN200620077702U CN200943057Y CN 200943057 Y CN200943057 Y CN 200943057Y CN U2006200777020 U CNU2006200777020 U CN U2006200777020U CN 200620077702 U CN200620077702 U CN 200620077702U CN 200943057 Y CN200943057 Y CN 200943057Y
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reactor
self
biogas
tank
anaerobic reactor
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阮文权
邹华
严群
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Jiangnan University
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Jiangnan University
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel

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Abstract

The utility model relates to a sewage disposal device producing methane as well as the self-circulation anaerobic reactor used in the device, and pertains to the equipment used in the environment engineering. The device of the utility model is composed of a novel self-circulation anaerobic reactor and a computer-monitoring system. The part from the core to the self-circulation anaerobic reactor are composed by to superposed anaerobic reaction zones in series. The upper parts of the two reaction zones are respectively provided with a gas-solid-liquid tri-phase separator. The lower reaction zone is in the extremely high-load and the upper reaction zone is in the low-load state. The tri-phase separator can independently separate and settle the silt, return them to the reactor main body and respectively collect the methane. The reactor is able to form the liquid self-circulation, so as to intensify the mass transfer process of the organic substance and the granular silt and improve the processing ability; the device occupied a small area and is capable of processing high-consistency organic waste water and is able to produce the bio-energy, namely the methane. The device can attain the large-scale and automation methane production, and is an ideal equipment for sewage disposal and large-scale methane production.

Description

Produce the wastewater treatment equipment and the used self-circulating anaerobic reactor of this device of biogas
Technical field
A kind of wastewater treatment equipment and used self-circulating anaerobic reactor of this device that produces biogas.Specifically, be to handle various organic waste waters, and can produce the self-circulation anaerobic biological reaction unit of biogas.
Background technology
China's economy has obtained unprecedented growing continuously and fast since the reform and opening-up, but, because the rapid expansion of development of resources and the rapid growth of energy consumption, ecological damage of China and environmental pollution have reached very serious degree, and energy problem has also become the very important factor of restriction China's Economic development.In order to realize the Sustainable development of China's economy and society, must resolve the contradiction of development and environment protection.
Anaerobic biological reactor can not only effectively be handled organic waste water, and can produce bioenergy---biogas.Anaerobic technique has developed into the multiple reactor types of CGSB (EGSB and IC) of anaerobic filter (AF), anaerobic fluidized bed reactor (AFB), up-flow anaerobic sludge blanket (UASB) and the third generation of the s-generation from the anaerobic digester of the initial first-generation through the development in over one hundred year.Along with industrialized propelling, energy dilemma and problem of environmental pollution are more and more outstanding, and existing reactors can not well meet the demands.
The self-circulating anaerobic bioreactor that the utility model relates to is the example of the research and development of anerobic sowage biological treatment.This processing and waste production biogas energy aspect for national trade effluent has high practical value and realistic meaning.
Summary of the invention
The purpose of this utility model provide a kind of new and effective, floor space is little, can handle high-concentration industrial and city organic waste water and can produce bioenergy---the self-circulating anaerobic bioreactor of biogas, can accomplish scale modularization, automatization, the efficient factor of created gase of biogas production.
The technical solution of the utility model: the device of the anaerobic biological treatment organic waste water of the full-automatic highly effective methane-producing of forming by novel self-circulating anaerobic reactor and computer supervisory control system.In conjunction with the accompanying drawings 1 and 2 pairs of of the present utility model being described as follows of accompanying drawing:
Full automatic high efficiency treatment of Organic Wastewater that the wastewater treatment equipment of product biogas of the present utility model is made up of self-circulating anaerobic reactor and computer supervisory control system and the device that produces biogas, described device is by data handler 1, online biogas detector 2, digester 3, scrubber tank 4, gas meter 5, floating gas tank 6, self-circulating anaerobic reactor 7, the temperature panel shows 8, the pH panel shows 9, temperature overheating control 10, control data cabinet 11, terminal controller 12, charging stock tank 13, low liquid level warning 14, fresh feed pump 15, surge tank 16, recycle pump 17, heat pump 18, well heater 19, computer data line 20 constitutes, charging stock tank 13 connects fresh feed pump 15, fresh feed pump 15 connects surge tank 16, surge tank 16 is connected with reactor 7, waste water comes out to squeeze into reactor bottom waste water import 26 through recycle pump 17 from surge tank 16, get back to surge tank by the wastewater outlet 22 on reactor top and form a circulation line, after wastewater treatment is up to standard, discharge from surge tank 16 bottom drain, the biogas that produces is drawn by reactor head vapour liquid separator 27 in the reactor, biogas is by the floating gas tank 6 of pipeline process successively, gas meter 5, send the user to use behind scrubber tank 4 and the digester 3, reactor bottom is provided with evacuation port 36, this device is equipped with online biogas detector 2 and data handler 1, joins with digester biogas is carried out online detection; By the adding hot water inlet 34, add hot water outlet 24 and form a heating cycle pipeline of well heater 19, heat pump 18 and self-circulating anaerobic reactor 7, hot water heats reactor by reactor jacket; Temperature overheating control 10 is housed on well heater, at inside reactor temp probe 21 and pH probe 28 are housed, temp probe 21 is connected with temperature panel demonstration 8, pH probe 28 shows that with the pH panel 9 are connected, design has a control data cabinet 11, with gas meter, temperature panel show, the pH panel shows, temperature overheating control and the demonstration and/or the operation control of floating low liquid level alarm device, fresh feed pump, recycle pump and the heat pump of gas tank, charging stock tank all operate by the control data cabinet, the control data cabinet is connected with terminal controller 12 by computer data line 20.
The utility model reactor can be made by steel plate, glass or other materials.The principal feature of self-circulating anaerobic reactor is exactly that inside reactor can form the liquid self-circulation, and the mass transfer process of organism and granule sludge is strengthened, and the processing power of reactor is improved.Its another characteristics are in reactor the separation of biogas to be divided into two stages.
Self-circulating anaerobic reactor is that cylindrical structural is vertically placed, the bottom is first reaction zone 25, top is second reaction zone 23, first reaction zone, 25 tops are provided with one-level triphase separator 33, second reaction zone, 23 tops are provided with secondary triphase separator 30, one-level triphase separator 33 is provided with the gas-liquid separator 27 that biogas-lift pipe 32 is connected to reactor head, gas-liquid separator 27 bottoms connect return line 31 and extend to reactor lower part, side opening respectively is waste water import 26, wastewater outlet 22, add hot water inlet 34, add hot water outlet 24, establish temp probe 21 and pH probe 28 in the reactor, stainless steel tightness system 29 is taked on the top, and base 35 is fixed by nut.
The installation of self-circulating anaerobic reactor, reactor is vertically placed, and base is fixed by nut, and outer wall is fixed by the waist hoop, and nut seal is passed through by the stainless steel sealing cover in the top.
The self-circulating anaerobic reactor volume is 8L-2000m 3, aspect ratio H: D is 15: 1-5: 1, and material is glass or iron and steel, upper and lower opening is connected with steel flange.
Surge tank is cylindrical, and volume is 3.5L-300m 3, material is glass or iron and steel.
Floating gas tank is in bulbus cordis back-off and the cylindrical vessel in midair, and material is glass or iron and steel.
Temperature and pH in the reactor add the hot water liquid level, and the biogas amount is by computer system control and detection automatically.
The beneficial effects of the utility model: the utility model self-circulating anaerobic reactor is composed in series by eclipsed anaerobic reaction district about in the of two, one of the bottom is in extreme high loading, one of top is in underload, two reaction zone tops respectively are provided with a gas-solid-liquid triphase separator, to the good mud of sedimentation or granule sludge separate and subside and Returning reactor main body and collect biogas respectively voluntarily, must not set up precipitation separation device, auxiliary de-gassing vessel and returned sluge equipment, simplify technology, saved investment and working cost; Inside reactor can form the liquid self-circulation, and the mass transfer process of organism and granule sludge is strengthened, and therefore has higher organic loading, has higher upflow velocity, and the processing power of reactor is improved, and improves the efficient of reactor greatly; The impact capacity of the anti-unfavourable condition of reactor strengthens; In reactor, need not add filler and carrier, improve capacity utilization, avoid blockage problem.
Link to each other with computer by data line simultaneously, the temperature in the reactor, pH adds the hot water liquid level, and the biogas amount is by computer system control and detection automatically, and level of automation is very high, greatly reduces hand labor intensity.
This device both can effectively be handled industrial organic waste water, reduced environmental pollution, can also replenish the cities and towns energy resource supply, made more contribution in the biogas production field for the environmental protection cause of country.It is in structure and use the principle that uniqueness is arranged, and its field of using is anaerobic treatment industrial organic waste water High-efficient Production biogas.It has following characteristics:
(1) aspect ratio is big, and floor space is little, and initial cost is economized;
(2) organic loading rate height, hydraulic detention time is short;
(3) stable water outlet, the anti impulsion load ability is strong;
(4) applied widely, can handle low middle and high concentration waste water, can handle toxic substances waste water;
(5) can produce bioenergy---biogas.
Description of drawings
The wastewater treatment equipment of Fig. 1 highly effective methane-producing constitutes synoptic diagram.
Fig. 2 self-circulating anaerobic reactor structure iron.
1, data handler, 2, online biogas detector, 3, digester, 4, scrubber tank, 5, gas meter, 6, floating gas tank, 7, self-circulating anaerobic reactor, 8, the temperature panel shows, 9, the pH panel shows, 10, temperature overheating control, 11, the control data cabinet, 12, terminal controller, 13, charging stock tank, 14 low liquid level warnings, 15, fresh feed pump, 16, surge tank, 17, recycle pump, 18, heat pump, 19, well heater, 20, computer data line.
Relative configurations on the reactor is: 21, temp probe, 22, wastewater outlet, 23, second reaction zone, 24, add hot water outlet, 25, first reaction zone, 26, the waste water import, 27, vapour liquid separator, 28, pH probe, 29, tightness system, 30, secondary triphase separator, 31, return line, 32, the biogas-lift pipe, 33, one-level triphase separator, 34, add hot water inlet, 35, base, 36, evacuation port.
Embodiment
Give further detailed explanation below by embodiment to the utility model.
Embodiment 1: self-circulating anaerobic reactor is to the clearance of COD
The most important index of organic pollutant is exactly a chemical oxygen demand COD in the waste water, and self-circulating anaerobic reactor should have very high removal effect to the COD in the waste water.Adopt molasses alcohol waste water to take from Changji Sugar Refinery, Xinjiang, be Vandyke brown.Waste water COD concentration is 107900mg/L, and sulfate concentration is 1742mg/L, and colourity is 2000 times, and pH 4.67.Fs: water inlet COD concentration is 5000～6000mg/L, controls volumetric loading by adjusting flooding velocity, from 4～5kgCOD/m 3D progressively improves load, and the fs finishes volumetric loading and reaches 10kgCOD/m 3D; Subordinate phase: water inlet COD concentration is about 10000mg/L, volumetric loading 10-20kgCOD/m 3D; Phase III: water inlet COD concentration is about 20000mg/L, volumetric loading 20-40kgCOD/m 3D; The quadravalence section: water inlet COD concentration is about 30000mg/L, volumetric loading 40kgCOD/m 3D.
Volumetric loading during reactor start-up is 5kgCOD/m 3D.Clearance reached 90% very soon, observed the appearance of self-circulation at the 8th day, started to finish.Improve the concentration of water inlet subsequently.
Intake COD concentration between 5000～13000mg/L in fs and subordinate phase, and water outlet is between 500～1200mg/L, and clearance remains on about 90%.After entering the phase III, influent concentration is promoted to 20000mg/L, goes out water concentration and begins a bit fluctuation, recovers steadily after having passed through two residence time.After entering the quadravalence section, COD is promoted to 26000mg/L, and clearance drops to 78.7% suddenly, clearance returns to more than 90% again after having kept two residence time, effluent COD concentration after influent concentration is promoted to 30000mg/L, stablizes is about 2000mg/L, and clearance reaches more than 90%.
Embodiment 2: self-circulating anaerobic reactor produces the composition of biogas
Adopt the molasses alcohol waste water water inlet of Changji Sugar Refinery, Xinjiang, the methane content in the aerogenesis remains at more than 70% (table 1), and when influent concentration reached 30000mg/L, methane content had reached 83.67%, and visible reactor can produce high-quality biogas.
Table 1 aerogenesis component
Influent concentration (mg/L) 10000 20000 30000
Volumetric loading (kg/m 3d) CO 2(%) aerogenic composition H 2S(％) CH 4(％) 12 24.4 0.18 75.42 22 27.8 0.22 71.89 38 22.4 0.09 77.51 38 16.2 0.13 83.67

Claims (2)

1, a kind of wastewater treatment equipment of highly effective methane-producing, it is characterized in that full automatic high efficiency treatment of Organic Wastewater of forming by self-circulating anaerobic reactor and computer supervisory control system and the device that produces biogas, described device is by data handler (1), online biogas detector (2), digester (3), scrubber tank (4), gas meter (5), floating gas tank (6), self-circulating anaerobic reactor (7), the temperature panel shows (8), the pH panel shows (9), temperature overheating control (10), control data cabinet (11), terminal controller (12), charging stock tank (13), low liquid level warning (14), fresh feed pump (15), surge tank (16), recycle pump (17), heat pump (18), well heater (19), computer data line (20) constitutes, charging stock tank (13) connects fresh feed pump (15), fresh feed pump (15) connects surge tank (16), surge tank (16) is connected with self-circulating anaerobic reactor (7), waste water comes out to squeeze into reactor bottom waste water import (26) through recycle pump (17) from surge tank (16), get back to surge tank by the wastewater outlet (22) on reactor top and form a circulation line, after wastewater treatment is up to standard, discharge from surge tank (16) bottom drain, in the reactor the biogas that produces draw by reactor head vapour liquid separator (27), biogas is by the floating gas tank (6) of pipeline process successively, gas meter (5), send the user to use behind scrubber tank (4) and the digester (3), reactor bottom is provided with evacuation port (36), this device is equipped with online biogas detector (2) and data handler (1), joins with digester biogas is carried out online detection; By the adding hot water inlet (34), add hot water outlet (24) and form a heating cycle pipeline of well heater (19), heat pump (18) and self-circulating anaerobic reactor (7), hot water heats reactor by reactor jacket; Temperature overheating control (10) is housed on well heater, at inside reactor temp probe (21) and pH probe (28) are housed, temp probe (21) shows that with the temperature panel (8) are connected, pH probe (28) shows that with the pH panel (9) are connected, design has a control data cabinet (11), with gas meter, the temperature panel shows, the pH panel shows, gas tank is controlled and floated to temperature overheating, the low liquid level alarm device of charging stock tank, fresh feed pump, the demonstration of recycle pump and heat pump and/or operation control all operate by the control data cabinet, and the control data cabinet is connected with terminal controller (12) by computer data line (20).
2, the wastewater treatment equipment of highly effective methane-producing according to claim 1, it is characterized in that used self-circulating anaerobic reactor is that cylindrical structural is vertically placed, the bottom is first reaction zone (25), top is second reaction zone (23), first reaction zone (25) top is provided with one-level triphase separator (33), second reaction zone (23) top is provided with secondary triphase separator (30), one-level triphase separator (33) is provided with the gas-liquid separator (27) that biogas-lift pipe (32) is connected to reactor head, gas-liquid separator (27) bottom connects return line (31) and extends to reactor lower part, side opening respectively is waste water import (26), wastewater outlet (22), add hot water inlet (34), add hot water outlet (24), establish temp probe (21) and pH probe (28) in the reactor, stainless steel tightness system (29) is taked on the top, and base (35) is fixed by nut.
CNU2006200777020U 2006-08-09 2006-08-09 Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor Expired - Fee Related CN200943057Y (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101891341A (en) * 2010-07-01 2010-11-24 江南大学 Anaerobic reactor with three-phase separators at upper and lower layers and method for landfill leachate treatment
CN102030411B (en) * 2009-09-24 2012-07-25 原保群 Self-circulation anaerobic reactor
CN103523913A (en) * 2013-10-16 2014-01-22 桂林电子科技大学 Anaerobic biological treatment device for wastewater
CN110182945A (en) * 2019-06-12 2019-08-30 河南小威环境科技有限公司 A kind of combined U ASB anaerobic reaction method and apparatus
CN111115964A (en) * 2020-01-08 2020-05-08 中国科学院生态环境研究中心 Wastewater anaerobic biological treatment system for seasonal strain preservation and recovery and application thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102030411B (en) * 2009-09-24 2012-07-25 原保群 Self-circulation anaerobic reactor
CN101891341A (en) * 2010-07-01 2010-11-24 江南大学 Anaerobic reactor with three-phase separators at upper and lower layers and method for landfill leachate treatment
CN103523913A (en) * 2013-10-16 2014-01-22 桂林电子科技大学 Anaerobic biological treatment device for wastewater
CN110182945A (en) * 2019-06-12 2019-08-30 河南小威环境科技有限公司 A kind of combined U ASB anaerobic reaction method and apparatus
CN111115964A (en) * 2020-01-08 2020-05-08 中国科学院生态环境研究中心 Wastewater anaerobic biological treatment system for seasonal strain preservation and recovery and application thereof

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Jiangsu Dingze Environmental Engineering Co., Ltd.

Assignor: Jiangnan University

Contract fulfillment period: 2007.9.10 to 2013.9.10

Contract record no.: 2008320000648

Denomination of utility model: Waste water treatment apparatus for generating firedamp and self-circulating anaerobic reactor thereby

Granted publication date: 20070905

License type: Exclusive license

Record date: 20081008

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.9.10 TO 2013.9.10; CHANGE OF CONTRACT

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Effective date: 20081008

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Termination date: 20150809

EXPY Termination of patent right or utility model