CN208747741U - A kind of efficiently low sludge hydrolysis, acidification anaerobic reactor - Google Patents

Abstract

The utility model discloses a kind of efficiently low sludge hydrolysis, acidification anaerobic reactors, including body, water inlet distribution system, hydrolysis acidification bio-reaction zone, anaerobic organism reaction zone, mud-water separating area and sludge reflux exhaust system, hydrolysis acidification bio-reaction zone is arranged in setting water inlet distribution system, the body intracavity bottom on the outside of the organism bottom；Anaerobic organism reaction zone is set above the hydrolysis acidification bio-reaction zone, mud-water separating area is set above the anaerobic organism reaction zone, activated sludge collecting tank is arranged in the body intracavity bottom, and sludge reflux exhaust system is arranged in the body lower right；The more traditional anaerobic biological reactor of the utility model is compared and solves traditional anaerobic reactor activated sludge deposition problems, more traditional anaerobic biological reactor is more thorough compared to its hydrolysis acidification and Anaerobic Treatment simultaneously, to Recalcitrant chemicals high treating effect, Nitrogen/Phosphorus Removal is more prominent.

Description

A kind of efficiently low sludge hydrolysis, acidification anaerobic reactor

Technical field

The utility model relates to bioreactor technology field, specifically a kind of efficiently low sludge hydrolysis, acidification anaerobic reaction Device.

Background technique

China is a water shortage country, and sewage treatment and reuse are to develop and use the effective measures of water resource.Reusing sewage It is to be used for greening after handling municipal sewage, trade effluent by equipment such as membrane bioreactors, rinse, supplement and see Reward water body etc. is non-to drink purpose, and clean water is used to drink the purposes of contour water quality requirement.Municipal sewage, trade effluent are nearest It can obtain, long distance water transfer can be removed from, and realize that making full use of for water resource is realized in processing nearby, while sewage passes through just nearby Reason, causes effluent seepage during long distance delivery prevented also from sewage, leads to polluted underground water source.Reusing sewage exists The area of many water shortages is widely used in the world, is considered the most practical technology of 21 century sewage treatment.

The compound for containing a large amount of carbohydrates, protein, minim thallus and N, P in sewage containing sludge, has and suspends Object, fat content are high, COD and BOD value is big, and water quality and water amplitude of variation are big, and nitrogen, the features such as phosphorus compound content is high belong to High concentration organic sewage.The sewage disposal technology containing sludge is varied both at home and abroad, at present to the processing of sewage mostly with life Based on object processing-type, specifically include natural ecological resource technique, microbial bacterial agent treatment process, aerobic treatment process, at anaerobism Science and engineering skill and various combination process as made of above-mentioned process combination；Traditional anaerobic biological reactor water is to sewage Hydrolysis acidification and Anaerobic Treatment are simultaneously not thorough, while existing anaerobic biological reactor activated sludge in sewage disposal process It is easy deposition, so as to cause anaerobic biological reactor bottom deposit, affects the treatment effect of sewage in this way, it can not be to sewage In pollutant adequately degraded, and existing anaerobic biological reactor Nitrogen/Phosphorus Removal is bad, and system is simultaneously unstable Fixed, operation is also inconvenient.

Utility model content

The purpose of this utility model is to provide a kind of efficiently low sludge hydrolysis, acidification anaerobic reactors, to solve above-mentioned back The problem of being proposed in scape technology.

To achieve the above object, the utility model provides the following technical solutions:

A kind of efficiently low sludge hydrolysis, acidification anaerobic reactor, including body, water inlet distribution system, hydrolysis acidification biological respinse Area, anaerobic organism reaction zone, mud-water separating area and sludge reflux exhaust system, organism bottom outside setting water inlet cloth system Hydrolysis acidification bio-reaction zone is arranged in system, the body intracavity bottom；Anaerobism is set above the hydrolysis acidification bio-reaction zone Mud-water separating area is arranged in bio-reaction zone, the anaerobic organism reaction zone top, and activated sludge is arranged in the body intracavity bottom Sludge reflux exhaust system, institute is arranged integral into U-shaped inclined-plane, the body lower right in collecting tank, the activated sludge collecting tank Stating sludge reflux exhaust system includes mud return line, sludge reflux pump, sewage diversion branch pipe, excess sludge drain valve and sludge Flow back switching valve.

As a further solution of the present invention: the water inlet distribution system is that annular extra heavy pipe is total up and down on the outside of body Water inlet manifold is arranged in layer, the water inlet distribution system two sides, and the water inlet manifold is connected to each extra heavy pipe, the water inlet manifold and Water distribution main valve is arranged in extra heavy pipe junction, and each extra heavy pipe respectively surrounds body one week, and each comfortable plane where it is to body inside The thin intubation water outlet installation degree elbow of setting makes its water discharging direction vertical-horizontal face upward, and the thin quantity that is intubated is according to the size of body It determines, cloth water regulating valve is installed in installation and repairing valve, tubule and extra heavy pipe junction on the outside of tubule and body junction.

Thin intubation generallys use DN50 pipe as a further solution of the present invention, every by organism level sectional area 0.25 square metre one.

Several described thin cannula combinations become water inlet distributor as a further solution of the present invention, described Water inlet distributor is connect with the hydrolysis acidification bio-reaction zone.

Biologic packing material, and institute are installed in the anaerobic organism reaction zone as a further solution of the present invention, State anaerobic organism reaction zone top culture attachment high-activity particle activated sludge.

The mud-water separating area is from top to bottom disposed with water outlet overflow as a further solution of the present invention, Canal, three phase separator and inclined tube filler, the inclined tube filler are arranged on the mud-water separating area bottom, inclined tube filler top It is connected to three phase separator, edge setting tooth form overflow weir, the left side of machine body wall weld outfall sewer, institute in the mud-water separating area Water outlet overflow canal is stated to connect with the outfall sewer.

Collection chamber, institute is fixedly mounted in the block upper surface middle position as a further solution of the present invention, It states collection chamber and is connected to the three phase separator by gas-guide tube.

Sludge reflux pump is arranged in sludge reflux exhaust system bottom as a further solution of the present invention, The sludge reflux pump connects mud return line；Activated sludge collecting tank left end connects sewage diversion branch pipe, the sewage Diversion branch pipe other end installs excess sludge drain valve, and the sewage diversion branch pipe is connect with the mud return line, institute It states mud return line and sludge reflux switching valve is arranged in sewage diversion branch pipe junction.

The mud return line is fixed far from described sludge reflux pump one end as a further solution of the present invention, Sludge homogenizer is connected, the sludge homogenizer is identical as the water inlet distributor construction；The sludge homogenizer is detested with described The connection of oxygen bio-reaction zone, the sludge homogenizer and mud return line junction setting sludge homogeneous adjust main valve, institute It states and multiple sludge diversion branch pipes is installed on sludge homogenizer, sludge homogeneous is arranged in sludge homogenizer and sludge diversion branch pipe junction Regulating valve.

The sludge reflux pump is connected to the activated sludge collecting tank as a further solution of the present invention, And the activated sludge collecting tank connects import lowest part on the right side of the activated sludge collecting tank.

Compared with prior art, the utility model has the beneficial effects that the setting of the water inlet distributor is able to achieve to dirt Water even into the body, and then ensure that sewage treatment it is more clean thoroughly；Biologic packing material and activated sludge cooperation Work, which can be realized, carries out efficient anaerobic biochemical treatment to the sewage in the anaerobic organism reaction zone, the inclined tube filler Being arranged can be realized to the separation of the inclined tube of sewage, and the setting of the water outlet overflow canal can be realized that sewage is received to treated Collection discharge, and then sewage is done and is handled in next step, the setting of the collection chamber can be realized anti-in the extraction three phase separator The exhaust gas that should be separated afterwards, the collection chamber can be collected exhaust gas, and exhaust gas is avoided to be expelled directly out, cause external environment by Pollution, endangers the life security health of people, and the setting of the sludge homogenizer can be realized to the anaerobic organism reaction zone Interior uniform returnedactivatedsludge, and then promote activated sludge concentration in reactor；The more traditional anaerobic organism reaction of the utility model Device, which is compared, solves traditional anaerobic reactor activated sludge deposition problems, while more traditional anaerobic biological reactor is compared to its hydrolysis Acidification and Anaerobic Treatment are more thorough, and to Recalcitrant chemicals high treating effect, Nitrogen/Phosphorus Removal is more prominent, by nearly 3 It facts have proved especially there is prominent effect to the aniline category matter, total nitrogen removal and the coloration degradation that contain in dyeing waste water year, simultaneously Sludge activity is higher, unit volume processing load is high, and system is more stable and reliable, residual active sludge low output, anti-shock loading By force, the features such as system is integrally invested lower, and occupied area is small, operating cost is low, and longtime running is reliable and stable, and operation is easy.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of efficient low sludge hydrolysis, acidification anaerobic reactor.

Fig. 2 is the structural schematic diagram of water inlet distributor in efficient low sludge hydrolysis, acidification anaerobic reactor.

Fig. 3 is the structural schematic diagram of sludge homogenizer in efficient low sludge hydrolysis, acidification anaerobic reactor.

In figure: 1- body, 2- water inlet distribution system, 3- hydrolysis acidification bio-reaction zone, 4- anaerobic organism reaction zone, 5- muddy water Disengagement zone, 6- activated sludge collecting tank, 7- are discharged overflow canal, 8- sludge reflux exhaust system, 9- tooth form overflow weir, 10- three-phase Separator, 11- inclined tube filler, 12- gas-guide tube, 13- collection chamber, 14- outfall sewer, 15- sludge homogenizer, 16- water inlet water distribution Device, 17- mud return line, 18- water inlet manifold, 19- sludge reflux pump, 20- sewage diversion branch pipe, 21- excess sludge drain valve, 22- sludge reflux switching valve, 23- water distribution main valve, 24- cloth water regulating valve, 25- sludge homogeneous adjust main valve, 26- sludge homogeneous tune Save valve.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of efficiently low sludge hydrolysis, acidification anaerobic reactor, including Body 1, water inlet distribution system 2, hydrolysis acidification bio-reaction zone 3, anaerobic organism reaction zone 4, mud-water separating area 5 and sludge reflux row Place system 8,1 bottom outside of the body setting water inlet distribution system 2, the water inlet distribution system 2 is annular extra heavy pipe on the outside of body 1 Total 2 layers up and down, water inlet manifold 18 is arranged in 2 two sides of water inlet distribution system, and the water inlet manifold 18 is connected to each extra heavy pipe, Water distribution main valve 23 is arranged with extra heavy pipe junction in the water inlet manifold 18, and each extra heavy pipe respectively surrounds body 1 one weeks, each leisure its Place plane, which installs 90 degree of elbows to the thin intubation water outlet of setting on the inside of body 1, makes its water discharging direction vertical-horizontal face upward, carefully It is intubated quantity to be determined according to the size of body 1, in the utility model, thin intubation generallys use DN50 pipe, by 1 horizontal cross-section of body Product every 0.25 square metre one, tubule installs water distribution tune with installation and repairing valve, tubule and extra heavy pipe junction on the outside of 1 junction of body Valve 24 is saved, hydrolysis acidification bio-reaction zone 3 is arranged in 1 intracavity bottom of body, several described thin cannula combinations become water inlet Water distributor 16, the water inlet distributor 16 are connect with the hydrolysis acidification bio-reaction zone 3, the setting of the water inlet distributor 16 Be able to achieve to sewage even into the body 1, so ensure that sewage treatment it is more clean thoroughly；The hydrolysis acidification Anaerobic organism reaction zone 4 is set above bio-reaction zone 3, biologic packing material is installed in the anaerobic organism reaction zone 4, and described 4 top of anaerobic organism reaction zone culture attachment high-activity particle activated sludge；Biologic packing material and activated sludge cooperating can It realizes and efficient anaerobic biochemical treatment is carried out to the sewage in the anaerobic organism reaction zone 4, on the anaerobic organism reaction zone 4 Side's setting mud-water separating area 5, the mud-water separating area 5 are from top to bottom disposed with water outlet overflow canal 7,10 and of three phase separator Inclined tube filler 11, the inclined tube filler 11 are arranged in 5 bottom of mud-water separating area, and the setting of the inclined tube filler 11 can be real Now the inclined tube of sewage is separated, 11 top of inclined tube filler is connected to three phase separator 10, sewage by three phase separator 10 into Row three phase separation, the sewage then overflowed flow into water outlet overflow canal 7 by tooth form overflow weir 9, and the tooth form overflow weir 9 is arranged The setting on the edge in the mud-water separating area 5, the water outlet overflow canal 7 can be realized that sewage is collected row to treated Out, and then sewage is done and is handled in next step, 1 left side wall of body welds outfall sewer 14, the water outlet overflow canal 7 with it is described Outfall sewer 14 connects, and collection chamber 13, the collection chamber 13 and the three-phase is fixedly mounted in the 1 upper surface middle position of body Separator 10 is connected to by gas-guide tube 12, and the setting of the collection chamber 13 can be realized reaction in the extraction three phase separator 10 The exhaust gas separated afterwards, the collection chamber 13 can be collected exhaust gas, and exhaust gas is avoided to be expelled directly out, cause external environment by Pollution, endangers the life security health of people, and activated sludge collecting tank 6, the activated sludge is arranged in 1 intracavity bottom of body For collecting tank 6 integral into U-shaped inclined-plane, sludge reflux exhaust system 8, sludge reflux discharge system is arranged in 1 lower right of body System 8 includes that mud return line 17, sludge reflux pump 19, sewage diversion branch pipe 20, excess sludge drain valve 21 and sludge reflux are cut Valve 22 is changed, sludge reflux pump 19 is arranged in 8 bottom of sludge reflux exhaust system, and the sludge reflux pump 19 and the activity are dirty Mud collecting tank 6 is connected to, and the activated sludge collecting tank 6 connects the 6 right side import lowest part of activated sludge collecting tank, described Sludge reflux pump 19 connects mud return line 17, and the mud return line 17 is fixedly connected far from described 19 one end of sludge reflux pump Sludge homogenizer 15, the sludge homogenizer 15 construct identical with the water inlet distributor 16；The sludge homogenizer 15 and institute State the connection of anaerobic organism reaction zone 4；Sludge homogeneous tune is arranged with 17 junction of mud return line in the sludge homogenizer 15 Main valve 25 is saved, multiple sludge diversion branch pipes are installed on the sludge homogenizer 15, sludge homogenizer 15 and sludge diversion branch pipe connect Place's setting sludge homogeneous regulating valve 26 is connect, the setting of the sludge homogenizer 15 can be realized to the anaerobic organism reaction zone 4 Interior uniform returnedactivatedsludge, and then avoid the waste of resource；6 left end of activated sludge collecting tank connects sewage water conservancy diversion Branch pipe 20, the sewage diversion branch pipe 20 can release sewage on the activated sludge collecting tank 6, and then avoid the work Property sludge collecting tank 6 in sludge blocking, 20 other end of sewage diversion branch pipe installs excess sludge drain valve 21, and institute It states sewage diversion branch pipe 20 to connect with the mud return line 17, the mud return line 17 connects with the sewage diversion branch pipe 20 Connect place's setting sludge reflux switching valve 22.

The working principle of the utility model is: processing waste water passes through water inlet 2 water distribution uniformity of distribution system first enters hydrolysis acid Change in bio-reaction zone 3, acidification reaction is hydrolyzed, hydrolysis acidification water outlet enters anaerobic organism reaction zone 4 and carries out anaerobic biological Processing, waste water enter mud-water separating area 5 through gravity settling separation, inclined tube separation and three phase separator after anaerobic biochemical treatment It separates, the concentration of collection chamber 13 is entered after gas is collected by gas-guide tube 12 in three phase separator 10 and discharges or carry out exhaust-gas treatment system System processing；The stillness of night enters in water outlet overflow canal 7 by 9 overflow of tooth form overflow weir after separation, rear to flow into outfall sewer 14, with laggard Row is handled in next step or discharge, 1 intracavity bottom of body activated sludge after gravitational settling, mud-water separation enter activated sludge Collecting tank 6 is collected, then so that it is uniformly flowed back after 15 homogeneous of sludge reflux pump 19 and reflux line sludge homogenizer and be distributed to anaerobism In bio-reaction zone 4, as opened excess sludge drain valve 21 when sludge quantity in sludge reflux exhaust system 8 is excessively high for excess sludge Discharge makes in sludge reflux exhaust system 8 that activated sludge content is in the predetermined technology controlling and process indication range of handled waste water, this reality It is compared with novel more traditional anaerobic biological reactor and solves traditional anaerobic reactor activated sludge deposition problems, while is more traditional Anaerobic biological reactor is more thorough compared to its hydrolysis acidification and Anaerobic Treatment, to Recalcitrant chemicals high treating effect, denitrogenation Phosphor-removing effect is more prominent, by facts have proved within nearly 3 years especially to contain in dyeing waste water aniline category matter, total nitrogen removal and Coloration degradation has prominent effect, while sludge activity is higher, unit volume processing load is high, and system is more stable and reliable, and residue is living Property sludge yield it is low, anti-shock loading is strong, and system is integrally invested lower, and occupied area is small, operating cost is low, and longtime running is stablized Reliably, the features such as operation is easy.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the utility model and creates and simplify description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as Indication or suggestion relative importance or the quantity for implicitly indicating indicated technical characteristic." first ", " are defined as a result, Two " etc. feature can explicitly or implicitly include one or more of the features.It removes in the description of the present invention, Non- to be otherwise noted, the meaning of " plurality " is two or more.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (10)

1. it is a kind of efficiently low sludge hydrolysis, acidification anaerobic reactor, which is characterized in that including body (1), water inlet distribution system (2), Hydrolysis acidification bio-reaction zone (3), anaerobic organism reaction zone (4), mud-water separating area (5) and sludge reflux exhaust system (8), institute Body (1) bottom outside setting water inlet distribution system (2) is stated, hydrolysis acidification bio-reaction zone is arranged in body (1) intracavity bottom (3)；Anaerobic organism reaction zone (4) are set above the hydrolysis acidification bio-reaction zone (3), the anaerobic organism reaction zone (4) Mud-water separating area (5) are arranged in top, and activated sludge collecting tank (6) are arranged in body (1) intracavity bottom, and the activated sludge is received Collect slot (6) integral into U-shaped inclined-plane, sludge reflux exhaust system (8) are arranged in body (1) lower right, the sludge reflux row Place system (8) includes mud return line (17), sludge reflux pump (19), sewage diversion branch pipe (20), excess sludge drain valve (21) and sludge reflux switching valve (22).

2. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 1, which is characterized in that the water inlet cloth system It is total 2 layers up and down of annular extra heavy pipe that (2), which are united, on the outside of body (1), and water inlet manifold is arranged in the water inlet distribution system (2) two sides (18), the water inlet manifold (18) is connected to each extra heavy pipe, and the water inlet manifold (18) and extra heavy pipe junction setting water distribution are total Valve (23), and each extra heavy pipe respectively surrounds body (1) one week, thin intubation is arranged to body (1) inside in its each comfortable place plane Water outlet, which installs 90 degree of elbows, makes its water discharging direction vertical-horizontal face upward, and the thin quantity that is intubated is determined according to the size of body (1), Installation and repairing valve, tubule and extra heavy pipe junction installation cloth water regulating valve (24) on the outside of tubule and body (1) junction.

3. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 1 or 2, which is characterized in that thin intubation is logical It is managed frequently with DN50, every 0.25 square metre one by body (1) horizontal sectional area.

4. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 2, which is characterized in that described several are thin Cannula combination becomes water inlet distributor (16), and the water inlet distributor (16) connect with the hydrolysis acidification bio-reaction zone (3).

5. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 1, which is characterized in that the anaerobic organism Biologic packing material is installed, and anaerobic organism reaction zone (4) top culture attachment high-activity particle activity is dirty in reaction zone (4) Mud.

6. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 1, which is characterized in that the mud-water separation Area (5) is from top to bottom disposed with water outlet overflow canal (7), three phase separator (10) and inclined tube filler (11), the inclined tube and fills out (11) setting is expected in the mud-water separating area (5) bottom, and inclined tube filler (11) top is connected to three phase separator (10), described Along setting tooth form overflow weir (9) in mud-water separating area (5), body (1) left side wall welds outfall sewer (14), the water outlet Overflow canal (7) is connect with the outfall sewer (14).

7. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 6, which is characterized in that the body (1) Collection chamber (13) are fixedly mounted in upper surface middle position, and the collection chamber (13) and the three phase separator (10) pass through gas-guide tube (12) it is connected to.

8. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 1, which is characterized in that the sludge reflux Sludge reflux pump (19) are arranged in exhaust system (8) bottom, and the sludge reflux pump (19) connects mud return line (17)；The work Property the connection of sludge collecting tank (6) left end sewage diversion branch pipe (20), sewage diversion branch pipe (20) other end installation is remaining Mud discharging valve (21), and the sewage diversion branch pipe (20) is connect with the mud return line (17), the mud return line (17) sludge reflux switching valve (22) are set with sewage diversion branch pipe (20) junction.

9. efficiently low sludge hydrolysis, acidification anaerobic reactor according to claim 4, which is characterized in that the sludge reflux Pipe (17) is fixedly connected sludge homogenizer (15) far from the sludge reflux pump (19) one end, the sludge homogenizer (15) and institute It is identical to state water inlet distributor (16) construction；The sludge homogenizer (15) is connected to the anaerobic organism reaction zone (4), the dirt Mud homogenizer (15) and the mud return line (17) junction setting sludge homogeneous adjust main valve (25), the sludge homogenizer (15) multiple sludge diversion branch pipes are installed, sludge homogenizer (15) and sludge diversion branch pipe junction setting sludge homogeneous are adjusted on Valve (26).

10. efficient low sludge hydrolysis, acidification anaerobic reactor according to claim 1 or 8, which is characterized in that the sludge Reflux pump (19) is connected to the activated sludge collecting tank (6), and the activated sludge collecting tank (6) connects the activated sludge Import lowest part on the right side of collecting tank (6).