CN100491270C - Hydrogen making apparatus using high concentrated organic wastewater and its hydrogen making method - Google Patents
Hydrogen making apparatus using high concentrated organic wastewater and its hydrogen making method Download PDFInfo
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- CN100491270C CN100491270C CNB2007100716702A CN200710071670A CN100491270C CN 100491270 C CN100491270 C CN 100491270C CN B2007100716702 A CNB2007100716702 A CN B2007100716702A CN 200710071670 A CN200710071670 A CN 200710071670A CN 100491270 C CN100491270 C CN 100491270C
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Abstract
The invention discloses a making equipment and method of hydrogen through high-density organic wastewater, which comprises the following steps: 1. culturing and taming anaerobic active sludge; 2. placing the anaerobic active sludge and lightweight fill (24) into hydrogen making equipment; 3. Controlling temperature at 35+-3 deg.c for 1.5-6h in the equipment; 4. adopting high-density organic wastewater as ferment base to react with active sludge in the reacting area (22) to produce hydrogen.
Description
Technical field
The present invention relates to the production unit and the hydrogen production process thereof of hydrogen manufacturing.
Background technology
Being extensive use of of mineral fuel brought significant damage to global environmental pollution.Therefore, current when managing to reduce existing conventional energy resources (as coal, oil etc.) and polluting environment, also strengthened research to new energy development and application.Hydrogen has worldwide obtained concern as a kind of pollution-free, reproducible ideal fuels.Bio-hydrogen production technology can utilize high concentrated organic wastewater or other biomass energy to produce hydrogen, the reaction conditions gentleness.Organic waste water fermentation method bio-hydrogen production technology utilizes the biological treatment of diphasic anaerobic waste water to produce hydrogen, the treatment of Organic Wastewater of biological hydrogen production and high density is combined recyclable clean energy material hydrogen when effectively administering organic waste water.China through the research in surplus ten years, has all obtained certain breakthrough at aspects such as theory and technologies in fermentation method bio-hydrogen production technology field.Yet the research of this respect at present also is in laboratory stage, and only hydrogen manufacturing on a small scale is from suitability for industrialized production apart from each other also.Traditional hydrogen producer, complex structure, fluctuation of service, low, the biological volume of holding of mass-transfer efficiency is low, the anti impulsion load ability is low, capacity utilization is low, working cost is high and be not suitable for large-scale industrial production.Therefore, development of new hydrogen producer and hydrogen production process are to advancing the bio-hydrogen production technology commercial application significant.
Summary of the invention
The objective of the invention is in order to solve traditional hydrogen producer, complex structure, fluctuation of service, low, the biological volume of holding of mass-transfer efficiency is low, the anti impulsion load ability is low, capacity utilization is low, working cost is high and be not suitable for the problem of large-scale industrial production, a kind of hydrogen producer and hydrogen production process thereof that utilizes high concentrated organic wastewater is provided, and the concrete technical scheme that addresses the above problem is as follows:
Hydrogen producer of the present invention comprises first outlet pipe 1, second exhaust pipe 2, upper cover plate 3, wall of the outer-rotor 5, stopple coupon 6, rising pipe 7, rectification tube 18, triphase separator 19, support 8, barrel 13, water inlet pipe 9, external circulation line 12, blow-down pipe 10, base plate 11, temperature sensor 14, it also includes water outlet flow deflector 17, upper bracket 20, lower bracket 21, filter material layer 23 and reaction zone 22, wall of the outer-rotor 5 is located on the outer wall on barrel 13 tops, wall of the outer-rotor 5 bottoms are connected with the outer wall of barrel 13, on the barrel 13 above the outer wall junction of wall of the outer-rotor 5 and barrel 13, have pod apertures 4, be provided with water outlet flow deflector 17 in the cavity between wall of the outer-rotor 5 and barrel 13, the lower plane of the upper end of wall of the outer-rotor 5 and barrel 13 and upper cover plate 3 is fixed, first outlet pipe 1 and second exhaust pipe 2 are located on the upper cover plate 3, rectification tube 18 is located at the place, axle center of tube, the upper end of rectification tube 18 is fixed on the lower plane of upper cover plate 3, the upper end of triphase separator 19 is located in the rectification tube 18, be provided with return flow line 16 between rectification tube 18 inwalls and the triphase separator 19 upper end outer walls, the lower end of triphase separator 19 is fixed in the settling region 15 by support 8, be provided with upper bracket 20 in the bottom of triphase separator 19, filter material layer 23 and lower bracket 21, the two ends of upper bracket 20 and lower bracket 21 are fixed on the inwall of barrel 13, filter material layer 23 places between upper bracket 20 and the lower bracket 21, in the bottom of lower bracket 21 is reaction zone 22, reaction zone 22 is built-in with anaerobic activated sludge and light filler 24, be provided with base plate 11 in the bottom of reaction zone 22, base plate 11 is fixed as one with the lower end of barrel 13, on the outer wall of the left side barrel 13 below the lower bracket 21, be provided with temperature sensor 14, on the outer wall of right side barrel 13, vertically be provided with a plurality of stopple coupons 6, bottom righthand side at barrel 13 outer walls is provided with water inlet pipe 9, on left side barrel 13 outer walls, have external circulation line 12, external circulation line 12 is provided with recycle pump 25, the bottom of the wall of the outer-rotor 5 in water outlet flow deflector 17 outsides is provided with rising pipe 7, and blow-down pipe 10 is located at the lower end of water inlet pipe 9 on the barrel 13 of left side.
The present invention utilizes aforesaid device to utilize in the high concentrated organic wastewater step of hydrogen production process as follows:
High concentrated organic wastewater in step 4, the equipment reaction district 22 is that the anaerobically fermenting effect of fermented substrate and active sludge produces hydrogen, part hydrogen enters gas compartment through triphase separator 19, by 1 output of first outlet pipe road, another part hydrogen is above the water surface, by 2 outputs of second exhaust pipe road.
The present invention utilizes the biological treatment of diphasic anaerobic waste water to produce hydrogen, the treatment of Organic Wastewater of biological hydrogen production and high density is combined, when effectively administering high concentrated organic wastewater, produce clean energy material hydrogen, have remarkable economic efficiency and social benefit.Equipment of the present invention is compared with traditional hydrogen producer, have simple in structure, stable, advantages such as fluidised form is reasonable, mass-transfer efficiency is high, biological volume of holding height, the anti impulsion load ability is strong, capacity utilization is high, working cost is low, be applicable to large-scale industrial production.
The accompanying drawing accompanying drawing
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Embodiment
Embodiment one: describe present embodiment in conjunction with Fig. 1, present embodiment is by first outlet pipe 1, second exhaust pipe 2, upper cover plate 3, wall of the outer-rotor 5, stopple coupon 6, rising pipe 7, rectification tube 18, triphase separator 19, support 8, barrel 13, water inlet pipe 9, external circulation line 12, blow-down pipe 10, base plate 11, temperature sensor 14, water outlet flow deflector 17, upper bracket 20, lower bracket 21, filter material layer 23 and reaction zone 22 are formed, wall of the outer-rotor 5 is located on the outer wall on barrel 13 tops, wall of the outer-rotor 5 bottoms are connected with the outer wall of barrel 13, on the barrel 13 above the outer wall junction of wall of the outer-rotor 5 and barrel 13, have pod apertures 4, be provided with water outlet flow deflector 17 in the cavity between wall of the outer-rotor 5 and barrel 13, the lower plane of the upper end of wall of the outer-rotor 5 and barrel 13 and upper cover plate 3 is fixed, first outlet pipe 1 and second exhaust pipe 2 are located on the upper cover plate 3, rectification tube 18 is located at the place, axle center of tube, the upper end of rectification tube 18 is fixed on the lower plane of upper cover plate 3, the upper end of triphase separator 19 is located in the rectification tube 18, be provided with return flow line 16 between rectification tube 18 inwalls and the triphase separator 19 upper end outer walls, the lower end of triphase separator 19 is fixed in the settling region 15 by support 8, be provided with upper bracket 20 in the bottom of triphase separator 19, filter material layer 23 and lower bracket 21, the two ends of upper bracket 20 and lower bracket 21 are fixed on the inwall of barrel 13, filter material layer 23 places between upper bracket 20 and the lower bracket 21, in the bottom of lower bracket 21 is reaction zone 22, reaction zone 22 is built-in with anaerobic activated sludge and light filler 24, be provided with base plate 11 in the bottom of reaction zone 22, base plate 11 is fixed as one with the lower end of barrel 13, on the outer wall of the left side barrel 13 below the lower bracket 21, be provided with temperature sensor 14, on the outer wall of right side barrel 13, vertically be provided with a plurality of stopple coupons 6, bottom righthand side at barrel 13 outer walls is provided with water inlet pipe 9, on left side barrel 13 outer walls, have external circulation line 12, external circulation line 12 is provided with recycle pump 25, the bottom of the wall of the outer-rotor 5 in water outlet flow deflector 17 outsides is provided with rising pipe 7, and blow-down pipe 10 is located at the lower end of water inlet pipe 9 on the barrel 13 of left side.
The cubic capacity that this equipment adopts is 10m
3, useful volume is 7.07m
3, daily output 100m
3Be rich in the fermentation gas of hydrogen.
Adopt external circulating system, improved upflow velocity, quickened the release of fermentation gas, strengthened mass-transfer efficiency, have raising equipment operation usefulness.
Embodiment two: the filter material layer 23 of present embodiment is vertically fixed in upper bracket 20 and the lower bracket 21 by waved plate.Water flows in the gap between waved plate.
Embodiment three: the spacing between the stopple coupon 6 on the outer wall of the right side barrel 13 of present embodiment is contour setting.
Embodiment four: the height of the water outlet flow deflector 17 of present embodiment be the cavity that surrounds of the outer wall on the inwall of wall of the outer-rotor 5 and barrel 13 tops height 3/5ths.
Embodiment five: the step of present embodiment hydrogen production process is as follows:
High concentrated organic wastewater is anaerobically fermenting (reaction) the effect generation hydrogen of fermented substrate and active sludge in step 4, the reaction zone 22, part hydrogen enters gas compartment through the triphase separator 19 of equipment, another part hydrogen is above the water surface, by equipment first outlet pipe road 1 and 2 outputs of second exhaust pipe road, daily output 100m
3Be rich in the fermentation gas of hydrogen, the high concentrated organic wastewater after reaction purifies is discharged by rising pipe 7.
Embodiment six: haydite or gac are selected in the light filler 24 of present embodiment for use.
Embodiment seven: the difference of present embodiment and embodiment five is that step 3, water inlet COD concentration are 6000mg/L, and temperature is controlled at 33 ℃, and the residence time of water in equipment is 2 hours; To guarantee that the biological volume of holding in the initial start stage conversion unit is at 10gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 5m
3/ s.Other step in the manner is identical with embodiment five.
Embodiment eight: the difference of present embodiment and embodiment five is that step 3, water inlet COD concentration are 8000mg/L, and temperature is controlled at 35 ℃, and the residence time of water in equipment is 3 hours; To guarantee that the biological volume of holding in the initial start stage conversion unit is at 12.5gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 6m
3/ s.Other step in the manner is identical with embodiment five.
Embodiment nine: the difference of present embodiment and embodiment five is that step 3, water inlet COD concentration are 10000mg/L, and temperature is controlled at 37 ℃, and the residence time of water in equipment is 4 hours; To guarantee that the biological volume of holding in the initial start stage conversion unit is at 15gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 7m
3/ s.Other step in the manner is identical with embodiment five.
This conversion unit mainly is fermented substrate with the high concentrated organic wastewater, utilizes the anaerobically fermenting effect that is inoculated into the active sludge in the conversion unit to produce hydrogen.Owing to realized the cultured continuously of on-fixed bacterial classification, thereby realized the serialization and the large-scale production of biological hydrogen production.
Claims (9)
1, utilize the hydrogen producer of high concentrated organic wastewater, it comprises first outlet pipe (1), second exhaust pipe (2), upper cover plate (3), wall of the outer-rotor (5), stopple coupon (6), rising pipe (7), rectification tube (18), triphase separator (19), support (8), barrel (13), water inlet pipe (9), external circulation line (12), blow-down pipe (10), base plate (11), temperature sensor (14), it is characterized in that it also includes water outlet flow deflector (17), upper bracket (20), lower bracket (21), filter material layer (23) and reaction zone (22), wall of the outer-rotor (5) is located on the outer wall on barrel (13) top, wall of the outer-rotor (5) bottom is connected with the outer wall of barrel (13), on the barrel (13) above the outer wall junction of wall of the outer-rotor (5) and barrel (13), have pod apertures (4), be provided with water outlet flow deflector (17) in the cavity between wall of the outer-rotor (5) and barrel (13), the lower plane of the upper end of wall of the outer-rotor (5) and barrel (13) and upper cover plate (3) is fixed, first outlet pipe (1) and second exhaust pipe (2) are located on the upper cover plate (3), rectification tube (18) is located at the place, axle center of tube, the upper end of rectification tube (18) is fixed on the lower plane of upper cover plate (3), the upper end of triphase separator (19) is located in the rectification tube (18), be provided with return flow line (16) between rectification tube (18) inwall and triphase separator (19) the upper end outer wall, the lower end of triphase separator (19) is fixed in the settling region (15) by support (8), be provided with upper bracket (20) in the bottom of triphase separator (19), filter material layer (23) and lower bracket (21), the two ends of upper bracket (20) and lower bracket (21) are fixed on the inwall of barrel (13), filter material layer (23) places between upper bracket (20) and the lower bracket (21), in the bottom of lower bracket (21) is reaction zone (22), reaction zone (22) is built-in with anaerobic activated sludge and light filler (24), be provided with base plate (11) in the bottom of reaction zone (22), base plate (11) is fixed as one with the lower end of barrel (13), be provided with temperature sensor (14) on the outer wall of the left side barrel (13) below lower bracket (21), on the outer wall of right side barrel (13), vertically be provided with a plurality of stopple coupons (6), bottom righthand side at barrel (13) outer wall is provided with water inlet pipe (9), on left side barrel (13) outer wall, have external circulation line (12), external circulation line (12) is provided with recycle pump (25), the bottom of the wall of the outer-rotor (5) in water outlet flow deflector (17) outside is provided with rising pipe (7), and blow-down pipe (10) is located at the lower end that left side barrel (13) is gone up water inlet pipe (9).
2, the hydrogen producer that utilizes high concentrated organic wastewater according to claim 1 is characterized in that filter material layer (23) is vertically fixed in upper bracket (20) and the lower bracket (21) by waved plate.
3, the hydrogen producer that utilizes high concentrated organic wastewater according to claim 1 is characterized in that the spacing between the stopple coupon (6) on the outer wall of right side barrel (13) is contour setting.
4, the hydrogen producer that utilizes high concentrated organic wastewater according to claim 1, the height that it is characterized in that water outlet flow deflector (17) be the cavity that surrounds of the outer wall on the inwall of wall of the outer-rotor (5) and barrel (13) top height 3/5ths.
5,, it is characterized in that the step of this method is as follows by the hydrogen production process of the described equipment utilization high concentrated organic wastewater of claim 1:
Step 1, cultivation domestication anaerobic activated sludge, get the mud after the municipal sewage treatment, add nutritive salt and pending waste water, COD: N: P=100~500: 5: 1 cultivates domestication through 7~14 days gradient aeration, treat that the mud color becomes brown by aterrimus or Dark grey, sludge concentration MLVSS is greater than 10g/L, and the 30min settling ratio promptly obtained to cultivate the anaerobic activated sludge of domestication greater than 30% o'clock;
Step 2, will cultivate the domestication anaerobic activated sludge and mix the reaction zone of putting into below the hydrogen producer filter material layer (23) (22) with light filler (24), anaerobic activated sludge accounts for 20~60% of reaction zone (22) volume, light filler (24) accounts for 20~40% of reaction zone (22) volume, and all the other are high concentrated organic wastewater;
Step 3, with the high concentrated organic wastewater in the step 2 by in the water inlet pipe (9) of the equipment input hydrogen producer reaction zone (22), flooding quantity is controlled at 28~112m
3/ d, water inlet COD concentration is 5000~10000mg/L, and temperature is controlled at 35 ± 3 ℃, and the residence time of water in equipment is 1.5~6.0 hours; The upflow velocity that initial start stage, the flow of outer circulation pump should be controlled at the interior water of reaction zone (22) is no more than 2m
3/ s, at 10~15gMLVSS/L, the error-free running period, the upflow velocity of the flow control of outer circulation pump water in reaction zone (22) is at 4~8m with the biological volume of holding in the assurance initial start stage conversion unit
3/ s;
High concentrated organic wastewater in step 4, equipment reaction district (22) is that the anaerobically fermenting effect of fermented substrate and active sludge produces hydrogen, part hydrogen enters gas compartment through triphase separator (19), export by first outlet pipe road (1), another part hydrogen is exported by second exhaust pipe road (2) above the water surface.
6, the hydrogen production process that utilizes high concentrated organic wastewater according to claim 5 is characterized in that light filler (24) selects haydite or gac for use.
7, the hydrogen production process that utilizes high concentrated organic wastewater according to claim 5 is characterized in that step 3, water inlet COD concentration are 6000mg/L, and temperature is controlled at 33 ℃, and the residence time of water in equipment is 2 hours; The biological volume of holding in the initial start stage conversion unit is at 10gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 5m
3/ s.
8, the hydrogen production process that utilizes high concentrated organic wastewater according to claim 5 is characterized in that step 3, water inlet COD concentration are 8000mg/L, and temperature is controlled at 35 ℃, and the residence time of water in equipment is 3 hours; The biological volume of holding in the initial start stage conversion unit is at 12.5gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 6m
3/ s.
9, the hydrogen production process that utilizes high concentrated organic wastewater according to claim 5 is characterized in that step 3, water inlet COD concentration are 10000mg/L, and temperature is controlled at 37 ℃, and the residence time of water in equipment is 4 hours; The biological volume of holding in the initial start stage conversion unit is at 15gMLVSS/L; Error-free running period, the outer circulation pumping capacity should be controlled at the upflow velocity of water in the reaction zone at 7m
3/ s.
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CN101250480B (en) * | 2008-04-08 | 2011-03-16 | 哈尔滨工程大学 | Integral biological hydrogen production plant |
CN101270368B (en) * | 2008-05-19 | 2010-12-29 | 哈尔滨工业大学 | Method for preparing hydrogen with biology and with utilization of organic waste water step |
DE102009008489A1 (en) * | 2009-02-11 | 2010-09-30 | Technocon Gmbh | Apparatus and method for anaerobic purification of wastewater |
CN102286367B (en) * | 2011-07-26 | 2013-02-06 | 哈尔滨工业大学 | Photo-fermentation anaerobic fluidized bed hydrogen production reactor |
CN103395955B (en) * | 2013-08-19 | 2014-12-03 | 许中华 | High-speed and down-flow type sludge back-mixing anaerobic reactor |
CN105692895B (en) * | 2016-04-05 | 2018-11-13 | 四川大学 | A kind of anaerobism is interior to recycle hydrogen-manufacturing reactor |
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