CN207330506U - A kind of anaerobic digestion reaction vessel - Google Patents

A kind of anaerobic digestion reaction vessel Download PDF

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Publication number
CN207330506U
CN207330506U CN201721028584.9U CN201721028584U CN207330506U CN 207330506 U CN207330506 U CN 207330506U CN 201721028584 U CN201721028584 U CN 201721028584U CN 207330506 U CN207330506 U CN 207330506U
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Prior art keywords
reation pool
anaerobic
anaerobic reation
water
pipe
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CN201721028584.9U
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Inventor
廖劲松
范卫朝
戴睿智
曹端庆
陶斌斌
张敬泉
伍尚权
李润宣
孔令海
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Guangdong Yikangsheng Environmental Protection Technology Co Ltd
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Guangdong Yikangsheng Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a kind of anaerobic digestion reaction vessel, including anaerobic reation pool, the top seal of the anaerobic reation pool, and the inner cavity top of the anaerobic reation pool is provided with three phase separator, effluent weir is provided with above the three phase separator, air outlet pipe is provided with the top of the anaerobic reation pool, the air outlet pipe extends into inside the anaerobic reation pool and is connected to the three phase separator, the bottom of the anaerobic reation pool is provided with water distribution pipe network and sludge pipe, the circulating water pipe for sewage to be drawn to anaerobic reation pool is provided between the water distribution pipe network and the three phase separator, the outside of the anaerobic reation pool is provided with circulating pump, the circulating pump connects the circulating water pipe and the water distribution pipe network respectively.The technical program is used to solve the problems, such as that pool bottom sludge deposition, reaction efficiency to be low existing for existing anaerobic reation pool.

Description

A kind of anaerobic digestion reaction vessel
Technical field
The utility model belongs to technical field for the treatment of of organic waste, and in particular to a kind of anaerobic digestion reaction vessel.
Background technology
In recent years, livestock and poultry centralization-breeding factory develops rapidly, generates the high-concentration sewage of high concentration, particularly ammonia nitrogen Body eutrophication can be caused with phosphorus, causes greatly to pollute to environment.As Public environmental attitude strengthens, government agencies at all levels' ring Border protection increases, and intensive culture Comprehensive Treatment For Waste Water is as the focus performed actual deeds for the people.
The anaerobic technique for being successfully applied to waste water of livestock poultry processing at present has up-flow anaerobic sludge blanket(UASB), it is complete hybrid Reactor(CSTR), upflow solids reactor(USR)Deng.Anaerobic treatment process can produce biogas, biogas residue, biogas slurry, be livestock and poultry Waste can be able to the important means comprehensively utilized.
UASB is the abbreviation of upflow anaerobic sludge blanket reactor, and reactor body part can be divided into two regions, i.e., Reaction zone and gas, liquid, solid three-phase separation area, are by the preferable sludge of sedimentation function in reaction zone lower part(Granule sludge is cotton-shaped Sludge)What is formed is anaerobic mud bed.Waste water by reactor bottom water distribution area even into reaction zone after, stirred to upper water conservancy The pneumatic agitation risen with gas, enhances matrix and anaerobic grain sludge(Floc sludge)Effect of mass transmitting, and in Sludge Bed The sludge suspension layer matrix on top is further removed.UASB tops are Disengagement zone, and by three phase separator, sludge sinks herein Drop returns to reaction zone.The technique will ensure higher biomass and bioactivity with sufficiently mix it is ingenious be combined together, and Gas, liquid, solid are separated by designing rational three phase separator.
UASB can cause the short flow phenomenon of reactor due to being limited be subject to structure, reduce the stop of organic matter in the reactor Time, reduces the degradation efficiency of organic matter.Since power is smaller when being intake using top, the agitation to pool bottom sludge is less, leads Cause muddy water mixing is uneven to influence removal efficiency of the reactor to organic matter.
Utility model content
For above-mentioned technical problem, the utility model provides a kind of anaerobic digestion reaction vessel, existing to solve Anaerobic reation pool existing for pool bottom sludge deposition, the problem of reaction efficiency is low, which is bottom water inlet side Formula, is uniformly intake by annular water distribution pipe network, can effectively be avoided into water inequality and base sludge deposition problems.
A kind of anaerobic digestion reaction vessel, including anaerobic reation pool, and the inner cavity top of the anaerobic reation pool is provided with three Phase separator, is provided with effluent weir above the three phase separator, air outlet pipe, institute is provided with the top of the anaerobic reation pool State air outlet pipe to extend into inside the anaerobic reation pool and be connected to the three phase separator, the bottom of the anaerobic reation pool is set It is equipped with water distribution pipe network and sludge pipe, the water distribution pipe network includes concentric and sets and radius widened three groups of circulating lines successively, And the level height of circulating line is sequentially increased described in three groups, multiple water outlets, the spoil disposal are provided with the circulating line Pipe extends to the outside of the anaerobic reation pool, is provided with and is used for sewage between the water distribution pipe network and the three phase separator The circulating water pipe of anaerobic reation pool is drawn, the outside of the anaerobic reation pool is provided with circulating pump, and the circulating pump connects respectively The circulating water pipe and the water distribution pipe network.
Further, the quantity of the sludge pipe is more, and one end of the more sludge pipes passes through the anaerobic reaction The bottom outer wall in pond, the other end of the more sludge pipes are extended radially to the bottom of the anaerobic reation pool.
Further, the quantity of the circulating pump is 2 groups, and parallel connection of pumps is circulated described in 2 groups and accesses the circulating water pipe and institute State between water distribution pipe network.
Further, the water distribution pipe network is also associated with water inlet pipe.
Compared with the prior art, the utility model has the advantage of:It is different by arranging using base circle water distribution manner The circulating line of size reaches the effect of water distribution uniformity, and by setting the water distributor Wondertek of different elevations to bottom dirt The agitaion of mud.By the circulatory system outside increase, the reflux that the water outlet of circulating water pipe is carried out to part is run, reflux Water is entered in reactor together by the water distribution pipe network of water inlet.The shortcoming of the short stream of reactor so can be not only reduced, also By adjusting regurgitant volume the upflow velocity of reactor can be controlled to reach optimal operational effect.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of anaerobic digestion reaction vessel;
Fig. 2 is a kind of top view of its water distribution pipe network of anaerobic digestion reaction vessel;
Fig. 3 is a kind of top view of its sludge pipe of anaerobic digestion reaction vessel.
Embodiment
The utility model discloses a kind of anaerobic digestion reaction vessel, which is bottom water intake mode, is led to Cross annular water distribution pipe network uniformly to intake, can effectively avoid into water inequality and base sludge deposition problems.
Below in conjunction with the attached drawing in the utility model, the technical solution in the utility model is carried out clearly and completely Description, it is clear that described is only the utility model part of the embodiment, instead of all the embodiments.Based on this practicality Embodiment in new, those of ordinary skill in the art are obtained every other on the premise of creative work is not made Embodiment, shall fall within the protection scope of the present invention.
Referring to shown in Fig. 1-Fig. 3, the utility model discloses a kind of anaerobic digestion reaction vessel, including anaerobic reation pool 7, and The inner cavity top of the anaerobic reation pool 7 is provided with three phase separator 4, and the top of the three phase separator 4 is provided with effluent weir 6, the top of the anaerobic reation pool 7 is provided with air outlet pipe 5, and the air outlet pipe 5 extends into the inside of anaerobic reation pool 7 and connects The three phase separator 4 is connected to, the bottom of the anaerobic reation pool 7 is provided with water distribution pipe network 9 and sludge pipe 8, the water distributor Net 9 includes concentric setting and radius widened three groups of circulating lines 10, and the level of circulating line 10 described in three groups is high successively Degree is sequentially increased, and multiple water outlets are provided with the circulating line 10, and the sludge pipe 8 extends to the anaerobic reation pool 7 Outside, be provided between the water distribution pipe network 9 and the three phase separator 4 and to be followed for sewage to be drawn anaerobic reation pool 7 Ring water pipe 3, the outside of the anaerobic reation pool 7 are provided with circulating pump 2, and the circulating pump 2 connects 3 He of circulating water pipe respectively The water distribution pipe network 9.
The quantity of the sludge pipe 8 is more, and one end of the more sludge pipes 8 passes through the bottom of the anaerobic reation pool 7 Portion's outer wall, the other end of the more sludge pipes 8 are extended radially to the bottom of the anaerobic reation pool 7.
The quantity of the circulating pump 2 is 2 groups, and circulating pump 2 described in 2 groups is in parallel to access the circulating water pipe 3 and the water distribution Between pipe network 9.
The water distribution pipe network 9 is also associated with water inlet pipe 1.
This anaerobic digestion reaction vessel uses base circle water distribution manner, by arranging that different size of circulating line 10 reaches The effect of water distribution uniformity, and by setting the water distribution pipe network 9 of different elevations to reach the agitaion to base sludge.Pass through Increase the exterior circulatory system, the water outlet of circulating water pipe 3 carries out to the reflux operation of part, the cloth that the water of reflux passes through water inlet Grid 9 is entered in reactor together.The shortcoming of the short stream of reactor so can be not only reduced, can also be by adjusting reflux The upflow velocity of amount control reactor reaches optimal operational effect.
Sewage, even into in anaerobic reation pool 7, is passed through by the water distribution pipe network 9 of bottom and sets three groups of different size of rings Shape pipeline 10, water quality can sufficiently be contacted with the microorganism in anaerobic reation pool 7, avoids the excessive shadow of local influent concentration Ring bioactivity.Waste water by reactor bottom water distribution area even into reaction zone after, rise to upper water conservancy stirring and gas Pneumatic agitation, enhance matrix and anaerobic grain sludge(Floc sludge)Effect of mass transmitting, and in the sludge on Sludge Bed top Superposed layer matrix is further removed.7 top of anaerobic reation pool is Disengagement zone, and by three phase separator 4, sludge settles herein Return to reaction zone.7 top water outlet of anaerobic reation pool is imported into water distribution pipe network 9 again by increasing extra circulating water pipe 3, is increased Add the residence time of organic matter in the reactor.Regulate and control the upflow velocity of sewage by controlling regurgitant volume, can be further Improve the removal efficiency of reactor.Anaerobic reation pool 7 carries out regularly spoil disposal by sludge pipe 8 and operates, it is ensured that in reactor Biological concentration and activity.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims (4)

  1. A kind of 1. anaerobic digestion reaction vessel, it is characterised in that including anaerobic reation pool, and the inner cavity top of the anaerobic reation pool Three phase separator is provided with, effluent weir is provided with above the three phase separator, is provided with the top of the anaerobic reation pool Air outlet pipe, the air outlet pipe extend into inside the anaerobic reation pool and are connected to the three phase separator, the anaerobic reaction The bottom in pond is provided with water distribution pipe network and sludge pipe, and the water distribution pipe network includes widened three groups successively of concentric setting and radius Circulating line, and the level height of circulating line is sequentially increased described in three groups, and multiple water outlets are provided with the circulating line, The sludge pipe extends to the outside of the anaerobic reation pool, and use is provided between the water distribution pipe network and the three phase separator In the circulating water pipe that sewage is drawn to anaerobic reation pool, the outside of the anaerobic reation pool is provided with circulating pump, the circulating pump The circulating water pipe and the water distribution pipe network are connected respectively.
  2. 2. a kind of anaerobic digestion reaction vessel according to claim 1, it is characterised in that the quantity of the sludge pipe is more Root, one end of the more sludge pipes pass through the bottom outer wall of the anaerobic reation pool, and the other end of the more sludge pipes is in Radiated entends are to the bottom of the anaerobic reation pool.
  3. A kind of 3. anaerobic digestion reaction vessel according to claim 1, it is characterised in that the quantity of the circulating pump is 2 groups, Parallel connection of pumps is circulated described in 2 groups to access between the circulating water pipe and the water distribution pipe network.
  4. A kind of 4. anaerobic digestion reaction vessel according to claim 1, it is characterised in that the water distribution pipe network be also associated with into Water pipe.
CN201721028584.9U 2017-08-17 2017-08-17 A kind of anaerobic digestion reaction vessel Active CN207330506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721028584.9U CN207330506U (en) 2017-08-17 2017-08-17 A kind of anaerobic digestion reaction vessel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721028584.9U CN207330506U (en) 2017-08-17 2017-08-17 A kind of anaerobic digestion reaction vessel

Publications (1)

Publication Number Publication Date
CN207330506U true CN207330506U (en) 2018-05-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721028584.9U Active CN207330506U (en) 2017-08-17 2017-08-17 A kind of anaerobic digestion reaction vessel

Country Status (1)

Country Link
CN (1) CN207330506U (en)

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