CN202688089U - Internal circulation hydrolysis anaerobic reaction device - Google Patents

Internal circulation hydrolysis anaerobic reaction device Download PDF

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Publication number
CN202688089U
CN202688089U CN2012203545251U CN201220354525U CN202688089U CN 202688089 U CN202688089 U CN 202688089U CN 2012203545251 U CN2012203545251 U CN 2012203545251U CN 201220354525 U CN201220354525 U CN 201220354525U CN 202688089 U CN202688089 U CN 202688089U
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China
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central tube
circulation port
internal
urceolus
reaction device
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CN2012203545251U
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Chinese (zh)
Inventor
史惠祥
刘之浩
陈伟
李遥
杨万东
张艳君
张敏
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses an internal circulation hydrolysis anaerobic reaction device. A central barrel is fixedly mounted in an outer barrel of the hydrolysis anaerobic reactor, more than one first circulating opening is arranged on the barrel wall of the central barrel in the circumferential direction, the position of the first circulating opening is higher than the position of a sewage inlet part of the hydrolysis anaerobic reactor and lower than the position of a water outlet position of the hydrolysis anaerobic reactor, a second circulating opening is arranged at the bottom of the central barrel and is under the first circulating opening, and an internal circulation device is fixedly arranged in the central barrel and is located between the internal circulating opening and the second circulating opening. By adopting the internal circulation hydrolysis anaerobic reaction device, the sludge concentration in the reactor can be effectively improved, organic substances can be decomposed and removed effectively in the hydrolysis process, the biodegradability of industrial waste water which is difficult to treat can be improved, so the internal circulation hydrolysis anaerobic reaction device can replace physical coagulation to be served as a pre-treatment unit of aerobic reaction, and can reduce the production and treatment cost of sludge as compared with the physical coagulation.

Description

Internal recycle hydrolysis anaerobic reaction device
Technical field
The utility model relates to a kind of hydrolysis anaerobic reaction device.
Background technology
Under the rigid requirement of current recycling economy and Sustainable development, the anaerobic technique take high efficiency anaerobic reactor as core becomes the means of processing the high-concentration industrial-water efficient and cost-effective.At present the research and development of anaerobic reactor technology mainly concentrated on the developed countries such as American-European.Owing to failing the advantage of integrated multidisciplinary cross complementary in external anaerobic reactor utilisation technology barrier and the domestic anaerobic reactor technology development process, new and effective anaerobic reactor is in the exploitation of China and promote comparatively and lag behind.
The difficult point of anaerobic reactor mainly is: guarantee that the muddy water in the reactor fully mixes 1.; 2. good mud-water separation is kept the higher sludge concentration in the reactor.Yet more for violent, the difficulty of mud-water separation is just higher in the mixing of inside reactor; If undercompounding can cause again the decline for the treatment of effect.So, have certain contradiction between the two.Present unpowered anaerobic reactor generally all stirs by water inlet and gaseous product, but this need to intake and keep certain COD concentration, and triphase separator is set helps to carry out mud-water separation.
Therefore, provide certain dynamic condition to help the internal recycle of realization response device can make reactor adapt to complicated flooded condition.And the filler effect that can play dam microorganism the same as triphase separator, in addition, filler is conducive to the apposition growth of microorganism, can assist the biomass that increases reactor.
The utility model content
The purpose of this utility model provides a kind of internal recycle hydrolysis anaerobic reaction device.
For achieving the above object, technical solution adopted in the utility model is: the utility model internal recycle hydrolysis anaerobic reaction device comprises the hydrolysis anaerobic reactor, wherein, in the urceolus of hydrolysis anaerobic reactor, be installed with central tube, the edge is circumferentially with more than one the first circulation port on the barrel of described central tube, the position at the first circulation port place is higher than the sewage in-position that is hydrolyzed anaerobic reactor, and the position at the first circulation port place is lower than the water exit position of hydrolysis anaerobic reactor; The bottom of central tube is provided with the second circulation port, and the second circulation port is below the first circulation port; In described central tube, be installed with internal circulation apparatus and internal circulation apparatus between the first circulation port and the second circulation port, described internal circulation apparatus be used for to promote sewage and flow into urceolus by central tube and flow into central tube by urceolus and realize circulating through the first circulation port through the second circulation port, perhaps, described internal circulation apparatus be used for to promote sewage and flow into urceolus by central tube and flow into central tube by urceolus and realize circulating through the second circulation port through the first circulation port.
Further, central tube described in the utility model is divided into the first district and Second Region from top to bottom, and it is large that the internal diameter of Second Region becomes from top to bottom gradually, and described the first circulation port is located at the first district, described the second circulation port is located at the bottom of Second Region, and described internal circulation apparatus is fixedly installed in the first district.
Further, the Second Region of central tube described in the utility model is horn-like.
Further, the utility model is installed with flow deflector in the bottom of the urceolus of described hydrolysis anaerobic reactor.
Further, flow deflector described in the utility model is cone shape, and top alignment second circulation port of described cone.
Further, the utility model is provided with frequency transformer outside described hydrolysis anaerobic reactor, and frequency transformer is electrically connected with internal circulation apparatus.
Further, the utility model is provided with the biologic packing material layer between the outer wall of the inwall of described urceolus and central tube, and described biologic packing material layer is lower than the water exit position of hydrolysis anaerobic reactor.
Further, the cross section of the first district of central tube described in the utility model and Second Region is rounded.
Further, the utility model edge on the barrel in the first district of described central tube circumferentially equally spaced is provided with more than one the first circulation port.
Further, the utility model is equipped with baffle plate between the inwall of described central tube and internal circulation apparatus.
Further, the top of central tube described in the utility model and/or urceolus is uncovered shape.
The beneficial effect that the utlity model has is: the plug-flow water yield that (1) is produced by internal circulation apparatus, realize internal recycling through the first circulation port and second circulation port of central tube, and sewage is fully contacted with microorganism, the Accelerative mass transfer process has improved removal efficient.(2) because the existence of internal recycle is spread rapidly the sewage that enters in the reactor, improve the impact resistance of reactor organic loading.(3) top of central tube and urceolus can be uncovered shape, in order to contact with air, makes reactor top anoxic, is fit to the growth of facultative microbe; And the middle and lower part of hydrolysis anaerobic reaction device still keeps anaerobism, is fit to the growth of anaerobion, and thus, multi-level microbe species can be strengthened removal of pollutants.In addition, if central tube is uncovered shape, in case then internal circulation apparatus breaks down, just just need not reactor emptying can be keeped in repair the internal circulation apparatus taking-up.(4) adopt the biologic packing material layer microorganism of can effectively damming, avoid the loss of biomass.(5) but the sludge concentration in the utility model Effective Raise reactor strengthens the hydrolysis anaerobic process to organic decomposition and removal in the water; The biodegradability of the trade effluent that simultaneously script is difficult to process improves, and can replace the physics coagulation as aerobic pretreatment unit, compares generation and processing costs that the physics coagulation can reduce mud.
Description of drawings
Fig. 1 is the structural representation of the utility model internal recycle hydrolysis anaerobic reaction device.
Fig. 2 is the vertical view of Fig. 1.
Among the figure: 1. central tube, 2. internal circulation apparatus, 3. baffle plate, 4. the first circulation port, 5. flow deflector, 6. central tube support, 7. biologic packing material layer, 8. triangle effluent weir, 9. urceolus, 10. sewage water inlet pipe, 11. rising pipe, 12. frequency transformers, 13. thief holes, 14. second circulation ports.
Embodiment
As depicted in figs. 1 and 2, the utility model internal recycle hydrolysis anaerobic reaction device mainly is made of the hydrolysis anaerobic reactor.As preferred version, can set up frequency transformer 12 outside the anaerobic reactor in hydrolysis, frequency transformer 12 can be regulated the size of the plug-flow water yield that internal circulation apparatus 2 produces, and promotes that sewage carries out internal recycle between urceolus 9 and central tube 1.
In structure illustrated in figures 1 and 2, the hydrolysis anaerobic reactor is double-barrel structure, comprises urceolus 9 and central tube 1, and central tube 1 is fixedly mounted in the urceolus 9 by central tube support 6.As preferred version, central tube 1 and urceolus 9 are uncovered shape.The cross section of central tube 1 is generally circle.
On the barrel of central tube 1, be higher than the sewage in-position that is hydrolyzed anaerobic reactor along the position that is circumferentially with more than one the first circulation port 4, the first circulation ports 4 places, and the position at the first circulation port 4 places is lower than the water exit position of hydrolysis anaerobic reactor.As preferred version, each first circulation port 4 edge on the barrel of central tube 1 circumferentially is spacedly distributed.The bottom of central tube is provided with the second circulation port 14, the second circulation ports 14 below the first circulation port 4.In central tube 1, be installed with internal circulation apparatus 2 and internal circulation apparatus 2 between the first circulation port 4 and the second circulation port 14.Internal circulation apparatus 2 is used for promoting sewage or flow into urceolus 9 by central tube 1 and flow into central tube 1 by urceolus 9 and realize circulating through the first circulation port 4 through the second circulation port 14, perhaps flow into urceolus 9 by central tube 1 and flow into central tube 1 by urceolus 9 and realize circulating through the second circulation port 14 through the first circulation port 4.
As preferred implementation of the present utility model, central tube 1 can be divided into the first district and Second Region from top to bottom, the first circulation port 4 is located at the first district, the second circulation port 14 is located at the bottom of Second Region, and, internal circulation apparatus 2 is fixedly installed in the first district, and it is large that the internal diameter of Second Region becomes from top to bottom gradually, can promote thus the suspension of the mud in the internal recycle flow region.As another kind of preferred version, the Second Region of central tube 1 is horn-like.
The position at the first circulation port 4 places is higher than the sewage in-position that is hydrolyzed anaerobic reactor, and the position at the first circulation port 4 places is lower than the water exit position of hydrolysis anaerobic reactor, can guarantee like this to enter the sewage of hydrolysis anaerobic reactor in the internal recycle flow region (namely be hydrolyzed the reaction zone of anaerobic reactor) of the first circulation port below 4 and anaerobic sludge reaction, then form the settling region in the position of the first circulation port more than 4, the effect of settling region be in the sewage that as far as possible makes after treatment with mud stay in the hydrolysis anaerobic reactor with sedimentation or the mode that is trapped.
The sewage in-position of so-called hydrolysis anaerobic reactor refers to the position that extraneous sewage begins to discharge in the hydrolysis anaerobic reactor.In the utility model, extraneous sewage can directly enter urceolus 9 or directly enter central tube 1.As a kind of embodiment, can offer a through hole at the sidewall of urceolus 9, the position at this through hole place is lower than the first circulation port 4, and sewage water inlet pipe 10 passes this through hole and the sewage in the external world is incorporated in the urceolus 9.If the position that above-mentioned through hole is offered is higher than the first circulation port 4, so, sewage water inlet pipe 10 extend into urceolus 9 and also needs to downward-extension so that the water outlet of sewage water inlet pipe 10 is lower than the first circulation port 4 after interior, thereby makes the sewage in the sewage water inlet pipe 10 be lower than the first circulation port 4 to the urceolus 9 interior positions that begin to discharge.As another kind of embodiment of the present utility model, except offering the through hole at the sidewall of urceolus 9, sidewall at central tube 1 offers sewage inlet simultaneously, sewage water inlet pipe 10 passes the sewage inlet on the sidewall of through hole on the sidewall of urceolus 9 and central tube 1 and directly extend in the first district of central tube 1, thereby makes extraneous sewage directly be flow to the inside of central tube 1 by water inlet pipe 10.No matter the sewage inlet of central tube 1 is higher than or is lower than the first circulation port 4, make the sewage in the sewage water inlet pipe 10 be lower than the first circulation port 4 to the central tube 1 interior position that begins to discharge as long as satisfy the water outlet of sewage water inlet pipe 10 to be lower than the first circulation port 4.In addition, can also be by the top of sewage water inlet pipe 10 by central tube 1 or urceolus 9 be extend in the hydrolysis anaerobic reactor, make simultaneously the water outlet of sewage water inlet pipe 10 be lower than the first circulation port 4, make thus the sewage in-position that is hydrolyzed anaerobic reactor be lower than the position at the first circulation port 4 places.
The water exit position of so-called hydrolysis anaerobic reactor refers to that the current after the hydrolysis anaerobic reactor is processed begin to be communicated with the rising pipe 11 in the external world and the position of introducing rising pipe 11.In the utility model, can offer a water outlet at the barrel of urceolus 9, the position at this water outlet place is higher than the first circulation port 4, and the current after the hydrolysis anaerobic reactor is processed directly enter into extraneous rising pipe 11 by this water outlet.Perhaps use a water pipe (not shown), this water pipe on the barrel of urceolus 9 water outlet or extend in the urceolus 9 from the top of urceolus 9, and the position at the water-in place of this water pipe is higher than the first circulation port 4 so that the water exit position of hydrolysis anaerobic reactor is higher than the first circulation port 4, and the water-in of this water pipe is positioned at the settling region of reactor, and the water outlet of this water pipe then is connected with the rising pipe 11 in the external world.Thus the current after the hydrolysis anaerobic reactor is processed are incorporated in the extraneous rising pipe 11.Can water pump be installed to impel the current after the hydrolysis anaerobic reactor is processed to be discharged in the extraneous rising pipe 11 at rising pipe 11.
Can be provided with baffle plate 3 between the inwall of the outer wall of internal circulation apparatus 2 and central tube 1, sewage is as far as possible only passed through from internal circulation apparatus 2, cause vortex to avoid sewage from refluxing between internal circulation apparatus 2 outer walls and central tube 1 inwall.And if the gap between the inwall of the outer wall of internal circulation apparatus 2 and central tube 1 is enough little, then can use baffle plate 3.
If be installed with the flow deflector 5 that is cone shape in the bottom of urceolus 9, and top alignment second circulation port 14 of cone, then can be better reposefully transition via the current of the second circulation port 14.
When outside the hydrolysis anaerobic reactor, being provided with frequency transformer 12, frequency transformer 12 is electrically connected with internal circulation apparatus 2.Frequency transformer 12 can change electric current, rotating speed, the frequency of internal circulation apparatus 2 and turn to, thereby regulates the size and Orientation of the internal circulation apparatus 2 plug-flow water yield that produces, thereby affects the suspended state of anaerobic sludge.
Can be provided with biologic packing material layer 7 between the outer wall of the inwall of urceolus 9 and central tube 1, the upper end of biologic packing material layer 7 is lower than the water exit position of hydrolysis anaerobic reactor.Filler in the biologic packing material layer 7 can be the suspension type filler.Biologic packing material layer 7 not only has outside the current stabilization effect, or good microbial carrier, can enriched microorganism and be conducive to microbial growth, and prolific microorganism plays the effect of the mud in the reactor that dams in this packing layer zone.
On the barrel of the urceolus 9 of reactor, in the position of the first circulation port below 4 a plurality of thief holes 13 are set from top to bottom.
During the work of the utility model internal recycle hydrolysis anaerobic reaction device, the sewage that comes from the outside enters in the central tube 1 or urceolus 9 of the utility model hydrolysis anaerobic reactor.The wherein part of the sewage in the hydrolysis anaerobic reactor is under the promotion of internal circulation apparatus 2, between urceolus 9 and central tube 1, (namely be hydrolyzed the reaction zone of anaerobic reactor) and carry out internal recycle and react with anaerobic sludge by the first circulation port 4 and the second circulation port 14, another part enters into extraneous rising pipe 11 through triangle effluent weir 8 outflow reactors after reaction zone and anaerobic sludge reaction.
If be provided with biologic packing material layer 7, then carrying out the current of internal recycle and reacted current can be by biologic packing material layer 7 filtration of will mud wherein damming.
Can control rotating speed and the direction of internal circulation apparatus 2 by frequency transformer 12, thereby make sewage in the central tube 1 under the promotion of internal circulation apparatus 2, realize flowing downward (forward flow) or upwards flow (countercurrent flow) under the different flow.Under forward flow, sewage enters central tube 1 by the first circulation port 4 and is flow back in the urceolus 9 by the second circulation port 14 of central tube 1 from urceolus 9, thereby realizes internal recycle; Under countercurrent flow, sewage enters central tube 1 by the second circulation port 14 and is flow back in the urceolus 9 by the first circulation port 4 of central tube 1 from urceolus 9, thereby realizes internal recycle.The position of the first circulation port below 4 at the sidewall of urceolus 9 offers a plurality of thief holes 13 along different heights.The sludge concentration that never level thief hole 13 samplings can be observed each position of the reaction zone that is hydrolyzed anaerobic reactor.When the sludge concentration of different heights in the reactor differs greatly, can produce the larger plug-flow water yield by frequency transformer 12 control internal circulation apparatus 2, drive sludge suspension; When the sludge concentration of each height in the reaction zone of reactor when more even, can produce the suitable plug-flow water yield by frequency transformer 12 control internal circulation apparatus 2, with promote mud the settling region precipitation and save electric energy.
In addition, because the internal recycle flow region below the settling region, so that the internal recycle flow region can not brought air in the liquid into because of violent flowing, makes the dissolved oxygen in the reactor be lower than all the time 0.2mg/L, form the hydrolysis anaerobic environment.And the further formation of facilitation of hydrolysis anaerobic environment of the current stabilization effect that biologic packing material layer filler 7 has.

Claims (10)

1. an internal recycle is hydrolyzed anaerobic reaction device, comprise the hydrolysis anaerobic reactor, it is characterized in that: in the urceolus (9) of reactor, be installed with central tube (1), the edge is circumferentially with more than one the first circulation port (4) on the barrel of described central tube (1), the position at the first circulation port (4) place is higher than the sewage in-position that is hydrolyzed anaerobic reactor, and the position at the first circulation port (4) place is lower than the water exit position of hydrolysis anaerobic reactor; The bottom of central tube is provided with the second circulation port (14), and the second circulation port (14) is in the below of the first circulation port (4); Being installed with internal circulation apparatus (2) and internal circulation apparatus (2) in described central tube is positioned between the first circulation port (4) and the second circulation port (14), described internal circulation apparatus (2) is used for promoting sewage and flow into urceolus (9) through the second circulation port (14) by central tube (1), and flow into central tube (1) by urceolus (9) and realize circulating through the first circulation port (4), perhaps, described internal circulation apparatus (2) flow into urceolus (9) through the first circulation port (4) by central tube (1) for promoting sewage, and flow into central tube (1) by urceolus (9) and realize circulating through the second circulation port (14).
2. internal recycle according to claim 1 is hydrolyzed anaerobic reaction device, it is characterized in that: described central tube (1) is divided into the first district and Second Region from top to bottom, it is large that the internal diameter of Second Region becomes from top to bottom gradually, described the first circulation port (4) is located at the first district, described the second circulation port (14) is located at the bottom of Second Region, and described internal circulation apparatus (2) is fixedly installed in the first district.
3. internal recycle according to claim 2 is hydrolyzed anaerobic reaction device, and it is characterized in that: the Second Region of described central tube (1) is horn-like.
4. internal recycle according to claim 1 hydrolysis anaerobic reaction device is characterized in that: the bottom at the urceolus (9) of described hydrolysis anaerobic reactor is installed with flow deflector (5).
5. internal recycle according to claim 4 is hydrolyzed anaerobic reaction device, and it is characterized in that: described flow deflector (5) is cone shape, and top alignment second circulation port (14) of described cone.
6. internal recycle according to claim 1 is hydrolyzed anaerobic reaction device, and it is characterized in that: be provided with frequency transformer (12) outside described hydrolysis anaerobic reactor, frequency transformer (12) is electrically connected with internal circulation apparatus (2).
7. internal recycle according to claim 1 is hydrolyzed anaerobic reaction device, it is characterized in that: be provided with biologic packing material layer (7) between the outer wall of the inwall of described urceolus (9) and central tube (1), described biologic packing material layer (7) is lower than the water exit position of hydrolysis anaerobic reactor.
8. internal recycle according to claim 1 is hydrolyzed anaerobic reaction device, it is characterized in that: the edge circumferentially equally spaced is provided with more than one the first circulation port (4) on the barrel of described central tube (1).
9. internal recycle according to claim 1 hydrolysis anaerobic reaction device is characterized in that: between the inwall of described central tube (1) and internal circulation apparatus (2) baffle plate (3) is installed.
10. internal recycle according to claim 1 is hydrolyzed anaerobic reaction device, and it is characterized in that: the top of described central tube and/or urceolus is uncovered shape.
CN2012203545251U 2012-07-21 2012-07-21 Internal circulation hydrolysis anaerobic reaction device Withdrawn - After Issue CN202688089U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102730831A (en) * 2012-07-21 2012-10-17 浙江大学 Internal circulation hydrolysis anaerobic reaction device
CN113307364A (en) * 2021-05-26 2021-08-27 玖龙纸业(天津)有限公司 Double-circulation anaerobic reactor for paper machine system
CN114272882A (en) * 2022-01-19 2022-04-05 浙江友联化学工业有限公司 Sulfonation reaction device is used in sour production of 2B

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102730831A (en) * 2012-07-21 2012-10-17 浙江大学 Internal circulation hydrolysis anaerobic reaction device
CN113307364A (en) * 2021-05-26 2021-08-27 玖龙纸业(天津)有限公司 Double-circulation anaerobic reactor for paper machine system
CN114272882A (en) * 2022-01-19 2022-04-05 浙江友联化学工业有限公司 Sulfonation reaction device is used in sour production of 2B

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Granted publication date: 20130123

Effective date of abandoning: 20140611

RGAV Abandon patent right to avoid regrant