CN205838669U - Anaerobic fermentation reaction unit - Google Patents
Anaerobic fermentation reaction unit Download PDFInfo
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- CN205838669U CN205838669U CN201620632235.7U CN201620632235U CN205838669U CN 205838669 U CN205838669 U CN 205838669U CN 201620632235 U CN201620632235 U CN 201620632235U CN 205838669 U CN205838669 U CN 205838669U
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Abstract
The utility model discloses a kind of anaerobic fermentation reaction unit, described anaerobic fermentation reaction unit includes: anaerobic fermentation tank body, has anaerobic reaction room in described anaerobic fermentation tank body, and described anaerobic reaction room has waste water inlet, outlet and air vent；Stripping tube, it is indoor that described stripping tube is located at described anaerobic reaction, and the upper end of described stripping tube has the lower end of gas outlet and described stripping tube and has air inlet；Air supply pipe, described air supply pipe is connected with the air inlet of described stripping tube, for supply in described stripping tube for the gas of air stripping.Anaerobic fermentation reaction unit according to this utility model embodiment has the advantages such as simple in construction, low cost, COD high treating effect.
Description
Technical field
This utility model relates to environmental technology field, in particular to a kind of anaerobic fermentation reaction unit.
Background technology
Traditional ethanol method of manufacturing technology, uses Semen Maydis, Maninot esculenta crantz. (i.e. starch) to pass through the prepared ethanol such as fermentation, waste water
COD (organic pollution), generally between 2 thousand to 3 thousand, processes easily.But owing to Semen Maydis, Maninot esculenta crantz. are relatively costly, raw material is limited,
This kind of ethanol method of manufacturing technology is prohibited.
To this end, proposing in correlation technique with Caulis et Folium Oryzae, straw (cellulose) is the process that raw material manufactures ethanol, for
For Caulis et Folium Oryzae, straw, its internal cellulose is coated with by outer wood element, and first needing will outward by High Temperature High Pressure or sulphuric acid
Layer lignin explosion, expose inside cellulose after carry out saccharifying ethanol, the COD of waste water generally between 5 ten thousand to 9 ten thousand,
Processing relative difficulty, the structure of sewage treatment equipment is complicated and relatively costly, and COD treatment effect is the best, there is the demand of improvement.
For containing high COD, high solid content, the waste water of high oils, use conventional anaerobic technique more intractable.This kind of
The COD of waste water usually reaches more than 1.5 ten thousand, mentions traditional UASB, EGSB, IC reactor of employing and carry out anaerobism in correlation technique
Processing, but deal with relative difficulty, floor space is big, and structure is complicated and relatively costly, and COD treatment effect is the best, exists
The demand improved.
Utility model content
One of above-mentioned technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end,
The utility model proposes a kind of anaerobic fermentation reaction unit, this anaerobic fermentation reaction unit has simple in construction, low cost, COD
The advantages such as high treating effect.
For achieving the above object, according to embodiment of the present utility model, a kind of anaerobic fermentation reaction unit is proposed, described in detest
Aerobe fermentation reaction unit includes: anaerobic fermentation tank body, has anaerobic reaction room, described anaerobic reaction in described anaerobic fermentation tank body
Room has waste water inlet, outlet and air vent；Stripping tube, it is indoor that described stripping tube is located at described anaerobic reaction, described air stripping
The upper end of pipe has the lower end of gas outlet and described stripping tube and has air inlet；Air supply pipe, described air supply pipe and described stripping tube
Air inlet be connected, for supply in described stripping tube for the gas of air stripping.
Anaerobic fermentation reaction unit according to this utility model embodiment has simple in construction, low cost, COD treatment effect
The advantage such as good.
It addition, it is special to have following additional technology according to the anaerobic fermentation reaction unit of this utility model embodiment
Levy:
According to an embodiment of the present utility model, the lower end of described stripping tube adjacent to described anaerobic reaction room bottom and
The upper end of described stripping tube extends to the top of described anaerobic reaction room, and described outlet is located at the top of described anaerobic reaction room
And higher than the upper end of described stripping tube.
According to an embodiment of the present utility model, the upper surface of described stripping tube is opened wide to form described gas outlet, institute
The lower surface stating stripping tube is opened wide to form described air inlet.
According to an embodiment of the present utility model, described stripping tube include the straight length that vertically extends and with institute
Stating the segmental arc that the upper end of straight length is connected, the angle between opening direction and the vertically downward direction of described gas outlet is more than
Equal to zero degree and less than 180 degree.
According to an embodiment of the present utility model, described segmental arc is inverted U-shaped, and the opening direction of described gas outlet is vertical
Downwards.
According to an embodiment of the present utility model, described stripping tube is multiple and interval is arranged in horizontal plane.
According to an embodiment of the present utility model, described anaerobic fermentation reaction unit also includes: precipitate and separate device, described
It is indoor and be positioned at above described stripping tube that precipitate and separate device is located at described anaerobic reaction, described precipitate and separate utensil have with described go out
The separator outlet that the mouth of a river is connected.
According to an embodiment of the present utility model, described precipitate and separate device includes: casing, is formed de-in described casing
Gas precipitation chamber, the bottom in described degassing precipitation chamber has a sludge outlet, the cross-sectional area of the bottom in described degassing precipitation chamber along from
Upper downwardly direction is gradually reduced；Dividing plate, described dividing plate is located at the top in described degassing precipitation chamber, and described dividing plate is by described degassing
The upper part in precipitation chamber is divided into degassing district and settling zone, and the bottom in described degassing district connects to give up with the bottom of described settling zone
Water overflows to from described anaerobic reaction room flow in described settling zone in described degassing district and then from the bottom in described degassing district；Heavy
Shallow lake swash plate, described precipitation inclined plate is located in described settling zone；Downflow weir, in described downflow weir is located at described settling zone and described overflow
Stream weir forms the overflow launder with described separator outlet.
According to an embodiment of the present utility model, limit the upper edge of the box portion in described degassing district with described dividing plate
Less than the upper edge of described dividing plate and limit the upper edge of box portion of described settling zone with described dividing plate.
According to an embodiment of the present utility model, described casing is cuboid, the first longitudinal side of the bottom of described casing
The lower end of wall extends downward beyond the lower end of the second longitudinal side wall of the bottom of described casing, and the lower end of described first longitudinal side wall with
The lower end of described second longitudinal side wall is the most overlapping.
According to an embodiment of the present utility model, described anaerobic fermentation reaction unit also includes: precipitate and separate device, described
It is external and include that precipitate and separate device is located at described anaerobic fermentation tank: casing, forms degassing precipitation chamber, described degassing in described casing
Precipitation chamber has import, separator outlet and sludge outlet, and described import connects with described outlet, described degassing precipitation chamber
Bottom be formed as at least one conical cavity that cross-sectional area is gradually reduced along direction from the top down, described sludge outlet is formed
Bottom at described conical cavity；Precipitation inclined plate, described precipitation inclined plate is located at described degassing precipitation intracavity；Downflow weir, described overflow
Weir is formed with, in being located at described degassing precipitation intracavity and described downflow weir, the overflow launder connected with described separator outlet.
According to an embodiment of the present utility model, described anaerobic fermentation reaction unit also includes: sinker, described energy dissipating
Device is connected between the outlet of described anaerobic reaction room and the import in described degassing precipitation chamber.
According to an embodiment of the present utility model, described anaerobic fermentation reaction unit also includes: being used for will be from described dirt
The mud that mud outlet is discharged returns to the mud return line that described anaerobic reaction is indoor, and one end of described mud return line is with described
Anaerobic reaction room connects, and described sludge outlet is connected with described mud return line by mud discharge pipe, described mud return line
It is provided with sludge reflux pump.
According to an embodiment of the present utility model, described anaerobic fermentation reaction unit also includes: water sealed tank, described anaerobism
The top of fermentation tank is provided with safe QI KOU, and described safe QI KOU is connected with described water sealed tank.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anaerobic fermentation reaction unit according to this utility model embodiment.
Fig. 2 is the structural representation of the anaerobic fermentation reaction unit according to this utility model the first alternative embodiment.
Fig. 3 is the structure of the precipitate and separate device of the anaerobic fermentation reaction unit according to this utility model the first alternative embodiment
Schematic diagram.
Fig. 4 is the structural representation of the anaerobic fermentation reaction unit according to this utility model the second alternative embodiment.
Fig. 5 is the structural representation of the anaerobic fermentation reaction unit according to this utility model the 3rd alternative embodiment.
Reference:
Anaerobic fermentation reaction unit 10,
Anaerobic fermentation tank body 100, anaerobic reaction room 110, waste water inlet 111, outlet 112, air vent 113, substitute
Mouthfuls 114, mud discharging mouth 115, mud discharging valve and/or mud discharging pump 116, charging pump 117, gas control valve 118,
Stripping tube 200, straight length 210, air inlet 211, segmental arc 220, gas outlet 221,
Air supply pipe 300,
Precipitate and separate device 400, casing 410, degassing precipitation chamber 411, sludge outlet 412, separator outlet 413, first
Longitudinal side wall the 414, second longitudinal side wall 415, import 416, dividing plate 420, degassing district 421, settling zone 422, precipitation inclined plate 430, overflow
Weir 440, overflow launder 441,
Sinker 500,
Mud return line 600, sludge reflux pump 610,
Mud discharge pipe 700,
Water sealed tank 800.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
Along with the process using Semen Maydis, Maninot esculenta crantz. (i.e. starch) to manufacture ethanol is prohibited, with Caulis et Folium Oryzae, straw (cellulose)
The process manufacturing ethanol for raw material is increasingly widely applied, but traditional starch second compared by cellulose ethanol
Alcohol, the COD in waste water rises to 5 ten thousand to 9 ten thousand from 2 thousand to 3 thousand, and the difficulty that waste water processes increases the most accordingly.
The Waste Water Treatment of the cellulose ethanol in correlation technique, not only COD treatment effect is limited, it is impossible to by waste water
In COD process below 100mg/L, and operation is loaded down with trivial details, and system constitutes complexity, relatively costly.
Specifically, for the waste water treatment process of cellulose ethanol, anaerobic fermentation purifies the operation for necessity, logical
Cross this operation under the effect of Anaerobe, the organic pollution in waste water to be degraded.
Existing anaerobic fermentation reaction unit is typically provided with air floating structure, such as, arrange upper and lower two in anaerobic reaction chamber interior
The body that end opens wide, and motor and the agitating element being connected with motor are set in body, agitating element is in the driving of motor
Lower rotation also pushes down on current, to form downward current in body, thus, and the waste water of anaerobic reaction indoor and mud
Mixture enters from body upper end and flows out from anaerobic fermentation tank body lower end, forms circulation.
Additionally, the also usual flotation cell that arranges in anaerobic reaction indoor of existing anaerobic fermentation reaction unit, and flotation cell
It is respectively arranged at two ends with by motor-driven cleaning element up and down, to avoid insoluble slurry to arrange from anaerobic fermentation reaction unit
Go out.
Utility model people of the present utility model is found by research and experiment, and above-mentioned anaerobic device is individually present some and asks
Topic, limits their application.
Such as, being provided with the anaerobic fermentation reaction unit of air floating structure, scope is little, mixing effect is poor in stirring, affects COD process
Effect, and it is provided with the anaerobic fermentation reaction unit of flotation cell, the most blocked, affect the stability that COD processes, and, above-mentioned
Air floating structure and flotation cell are both needed to be equipped with motor and agitating element or cleaning element, cause the structure of anaerobic fermentation reaction unit
Complicated, relatively costly.
In view of the cellulose alcohol wastewater treatment technology situation in correlation technique, the utility model proposes a kind of knot
Structure is simple, the anaerobic fermentation reaction unit 10 of low cost, COD high treating effect.
Below with reference to the accompanying drawings anaerobic fermentation reaction unit 10 according to this utility model embodiment is described.
As Figure 1-Figure 5, anaerobic fermentation tank is included according to the anaerobic fermentation reaction unit 10 of this utility model embodiment
Body 100, stripping tube 200 and air supply pipe 300.
Having anaerobic reaction room 110 in anaerobic fermentation tank body 100, anaerobic reaction room 110 has waste water inlet 111, water outlet
Mouth 112 and air vent 113.Stripping tube 200 pipe is located in anaerobic reaction room 110, and the upper end of stripping tube 200 has gas outlet 221,
And the lower end of stripping tube 200 has air inlet 211.Air supply pipe 300 is connected with the air inlet 211 of stripping tube 200, for air stripping
In pipe 200, supply is for the gas of air stripping.This gas being used for air stripping can be oxygen-depleted gas or noble gas, preferably natural pond
Gas.
Below with reference to the accompanying drawings the anaerobic fermentation describing anaerobic fermentation reaction unit 10 according to this utility model embodiment is clean
Change process.
Waste water is entered anaerobic reaction room 110 by waste water inlet 111, and air supply pipe 300 supplies to stripping tube 200, anaerobic reaction
Forming anaerobic environment in room 110, meanwhile, stripping tube 200, by exporting lift gas in anaerobic reaction room 110, plays stirring
Waste water and the effect of anaerobic sludge, thus, the waste water in anaerobic reaction room 110 mixes rapidly with anaerobic sludge, waste water and anaerobism
The intense contact of mud makes the organic pollutant degradation in waste water, and the waste water after anaerobic fermentation purifies is flowed out by outlet 112
Anaerobic reaction room 110, gas unnecessary in anaerobic reaction room 110 is discharged by air vent 113.
Anaerobic fermentation reaction unit 10 according to this utility model embodiment, by arranging stripping tube 200 and air supply pipe
300, it is possible to use air supply pipe 300 provides gas in stripping tube 200, and stripping tube 200 can be utilized to anaerobic reaction room 110
Interior output gas carries out air stripping, stripping tube 200 gas exported can stir the waste water in anaerobic reaction room 110 and anaerobism is dirty
The mixture of mud, makes waste water and anaerobic sludge fully, contact rapidly, and stirring scope is big, mixing effect good, it is possible to be greatly improved
COD treatment effect.
Further, by arranging stripping tube 200, air floating structure can be cancelled and motor that air floating structure need to be equipped with and stirring
Element, simplifies the structure of anaerobic fermentation reaction unit 10, reduces the cost of anaerobic fermentation reaction unit 10.
Additionally, eliminate flotation cell and flotation cell need according to the anaerobic fermentation reaction unit 10 of this utility model embodiment
The motor being equipped with and cleaning element, further simplify the structure of anaerobic fermentation reaction unit 10, and reduce further anaerobism
The cost of fermentation reaction device 10.
Anaerobic fermentation reaction unit 10 according to this utility model embodiment, has simple in construction, low cost, COD process
The advantage such as effective, uses at according to the cellulose alcohol wastewater of the anaerobic fermentation reaction unit 10 of this utility model embodiment
COD in waste water can be processed below 100mg/L by reason system.
Below with reference to the accompanying drawings anaerobic fermentation reaction unit 10 according to this utility model specific embodiment is described.
As Figure 1-Figure 5, anaerobic fermentation tank is included according to the anaerobic fermentation reaction unit 10 of this utility model embodiment
Body 100, stripping tube 200 and air supply pipe 300.
Advantageously, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the lower end of stripping tube 200 adjacent to the bottom of anaerobic reaction room 110,
And the upper end of stripping tube 200 extends to the top of anaerobic reaction room 110, outlet 112 be located at anaerobic reaction room 110 top and
Upper end higher than stripping tube 200.The gas that air supply pipe 300 provides is by stripping tube 200, by the bottom quilt of anaerobic reaction room 110
It is delivered to the top of anaerobic reaction room 110, and exports from gas outlet 221 with dirty to the waste water in anaerobic reaction room 110 and anaerobism
Mud mixture is stirred, and thus, is possible not only to be easy to air supply pipe 300 and provides gas in stripping tube 200, and can enter one
Step improves stirring scope and the mixing effect of stripping tube 200, and the gas exported by stripping tube 200 is without interference with outlet 112
Water outlet.
Alternatively, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the upper surface of stripping tube 200 is opened wide to form gas outlet 221, gas
The lower surface carrying pipe 200 is opened wide to form air inlet 211, so can increase air inlet 211 and gas outlet 221 to greatest extent
Valid circulation area, thus the output of gas in improving stripping tube 200 unit interval.
According in specific embodiments more of the present utility model, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, stripping tube 200 wraps
Include straight length 210 and segmental arc 220.Straight length 210 vertically extends, the upper end phase of segmental arc 220 and straight length 210
Even, the angle α between opening direction and the vertically downward direction of gas outlet 221 is more than or equal to zero degree and is less than 180 degree, i.e. 0 °
≤ α ＜ 180 °.
Preferably, as shown in Figure 2 and Figure 5, segmental arc 220 is inverted U-shaped, and the opening direction of gas outlet 221 straight down, changes
Yan Zhi, α=0 °.The gas so exported by stripping tube 200 stirs downwards waste water from the top of anaerobic reaction room 110 and anaerobism is dirty
The mixture of mud, further increases stirring scope and mixing effect, thus improves anaerobic fermentation reaction unit 10 further
COD treatment effect.
In order to further improve severe degree and the speed that waste water mixes with anaerobic sludge, stripping tube 200 can be
Multiple, air supply pipe 300 can one or more and bottom levels in anaerobic reaction room 110 be arranged, and multiple stripping tube 200 is at water
In plane, interval is arranged and lower end is connected with same air supply pipe 300 or is connected with multiple air supply pipes 300 respectively.
In concrete examples more of the present utility model, as in figure 2 it is shown, anaerobic fermentation reaction unit 10 also includes precipitation point
From device 400, in precipitate and separate device 400 is located at anaerobic reaction room 110 and be positioned at above stripping tube 200, precipitate and separate device 400 has
The separator outlet 413 being connected with outlet 112.Waste water outflow after anaerobic fermentation purifies in precipitate and separate device 400,
Thus gas separates with water and anaerobic sludge, and the gas after separation is discharged by air vent 113, and then, water separates with anaerobic sludge,
Anaerobic sludge after separation returns in anaerobic reaction room 110 from precipitate and separate device 400 and recycles, and the water separator after separation goes out
The mouth of a river 413 is transported to outlet 112, discharges anaerobic reaction room 110 and is delivered to subsequent treatment operation.
Thus, it is possible to utilize precipitate and separate device 400 first to isolate gas, water and anaerobic sludge in anaerobic reaction room 110,
Product after separating again is each delivered to different regions, improves the pure of water outlet.
Specifically, as it is shown on figure 3, precipitate and separate device 400 includes casing 410, dividing plate 420, precipitation inclined plate 430 and overflow
Weir 440.
Being formed with degassing precipitation chamber 411 in casing 410, the bottom in degassing precipitation chamber 411 has sludge outlet 412, degassing
The cross-sectional area of the bottom in precipitation chamber 411 is gradually reduced along direction from the top down.Dividing plate 420 is located at degassing precipitation chamber 411
Top, the upper part in degassing precipitation chamber 411 is divided into degassing district 421 and settling zone 422 by dividing plate 420, the bottom in degassing district 421 with
The bottom connection of settling zone 422 is so that waste water overflows in degassing district 421 and then from degassing district 421 from anaerobic reaction room 110
Bottom flows in settling zone 422.Precipitation inclined plate 430 is located in settling zone 422.In downflow weir 440 is located at settling zone 422 and overflow
Weir 440 forms the overflow launder 441 with separator outlet 413.
Below with reference to Fig. 3, the precipitate and separate device 400 separation process to water, gas and anaerobic sludge is described.
Gas-entrained and anaerobic sludge in water after anaerobic sludge is degraded, the water overflow of gas-entrained and anaerobic sludge is extremely
The degassing district 421 in degassing precipitation chamber 411, wherein gas escapes from degassing district 421, air vent 113 discharge, complete gas and divide
From.The water carrying anaerobic sludge secretly after separating with gas is flowed to settling zone 422, now anaerobic sludge by the bottom in the district 421 that deaerates
Precipitation is sunk and in the guiding of inwall of degassing precipitation chamber 411 lower tilt down to sludge outlet 412, by sludge outlet 412 row
Go out precipitate and separate device 400 and enter anaerobic reaction room 110, continue on for wastewater degradation, degassing precipitation chamber 411 in and anaerobic sludge
Water overflow after separation is in the overflow launder 441 of downflow weir 440, and is discharged by separator outlet 413 and outlet 112 successively
Anaerobic reaction room 110, carries out subsequent treatment.During anaerobic sludge rises with water, anaerobic sludge settles on precipitation inclined plate 430
And be slipped to, bottom degassing precipitation chamber 411, contribute to anaerobic sludge and be separated from water, so far, complete water, anaerobic sludge and gas
Separate.
Advantageously, as it is shown on figure 3, limit the upper edge of the casing 410 in the district 421 that deaerates with dividing plate 420 less than dividing plate 420
Upper edge and limit the upper edge of casing 410 part of settling zone 422 with dividing plate 420.In other words, casing 410 limit de-
The upper edge of the part in gas district 421, less than edge in the part limiting settling zone 422 of casing 410, and is less than the upper of dividing plate 420
Edge.The upper edge of downflow weir 440 can with in the part limiting degassing district 421 of casing 410 along concordant or higher than casing 410
The upper edge of part limiting degassing district 421, and the upper edge of downflow weir 440 limits settling zone 422 less than casing 410
Part on along and the upper edge of dividing plate 420.Thus it can be prevented that degassing district 421 in water from top overflow to settling zone 422,
Ensure that the water in degassing district 421 flow to settling zone 422 bottom degassing district 421, and then make anaerobic sludge be sufficiently separated, and sink
Water in shallow lake district 422 by overflow in overflow launder 441, it is to avoid the water in overflow launder 441 carries anaerobic sludge secretly.
Alternatively, as it is shown on figure 3, casing 410 is cuboid, the lower end of the first longitudinal side wall 414 of the bottom of casing 410 to
Under extend beyond the lower end of the second longitudinal side wall 415 of bottom of casing 410, and the lower end of the first longitudinal side wall 414 and the second longitudinal side
The lower end of wall 415 is the most overlapping.Thus can advantageously avoid the anaerobic sludge in anaerobic reaction room 110 by dirt
In the degassing precipitation chamber 411 of mud outlet 412 entrance precipitate and separate device 400.
Such as, in four longitudinal side walls of casing 410, two longitudinal side walls that length is longer in the horizontal direction are respectively
One longitudinal side wall 414 and the second longitudinal side wall 415, the lower end of the first longitudinal side wall 414 and the lower end of the second longitudinal side wall 415 are relative to first
The upper end of longitudinal side wall 414 and the upper end of the second longitudinal side wall 415 are mutually adjacent, and the lower end of the first longitudinal side wall 414 is positioned at the second longitudinal side
The lower section of the lower end of wall 415, and the projection that the lower end of the lower end of the first longitudinal side wall 414 and the second longitudinal side wall 415 is in horizontal plane
Overlap, gap between lower end and the lower end of the second longitudinal side wall 415 of the first longitudinal side wall 414 constitutes sludge outlet 412, and thus one
It is anti-that aspect can return anaerobism by sludge outlet 412 after can ensure that the anaerobic sludge precipitation in degassing precipitation chamber 411 smoothly
Answer room 110, and the structure of on the other hand this sludge outlet 412 can stop that the anaerobic sludge in anaerobic reaction room 110 is from mud
Outlet 412 entrance degassing precipitation chamber 411, it is ensured that the anaerobic sludge separating effect of precipitate and separate device 400.
In specific embodiments more of the present utility model, as shown in Figure 4 and Figure 5, anaerobic fermentation reaction unit 10 also wraps
Including precipitate and separate device 400, precipitate and separate device 400 is located at outside anaerobic fermentation tank body 100, and precipitate and separate device 400 includes casing
410, precipitation inclined plate 430 and downflow weir 440.
Forming degassing precipitation chamber 411 in casing 410, degassing precipitation chamber 411 has import 416, separator outlet 413 and
Sludge outlet 412, import 416 connects with the outlet 112 of anaerobic reaction room 110, and the bottom in degassing precipitation chamber 411 is formed at least
One conical cavity, the cross-sectional area of each conical cavity is gradually reduced along direction from the top down, and sludge outlet 412 is formed at described
The bottom of conical cavity.Precipitation inclined plate 430 is located in degassing precipitation chamber 411.Downflow weir 440 is located in degassing precipitation chamber 411, and overflows
Stream is formed with, in weir 440, the downflow weir 440 connected with separator outlet 413.
Below with reference to Fig. 4 and Fig. 5, the precipitate and separate device 400 separation process to water, gas and anaerobic sludge is described.
Gas-entrained and anaerobic sludge in the water flowed out by the outlet 112 of anaerobic reaction room 110, gas-entrained and anaerobism
The water of mud enters degassing precipitation chamber 411 by import 416, and wherein gas escapes and discharge degassing precipitation chamber from ullage
411, complete gas and separate.Water after separating with gas carries anaerobic sludge secretly, and wherein anaerobic sludge precipitation is sunk and heavy in degassing
The guiding of the inwall in lower taper chamber, chamber, shallow lake 411, down to sludge outlet 412, is discharged degassing precipitation chamber 411 by sludge outlet 412,
Water overflow after separating with anaerobic sludge in degassing precipitation chamber 411 is in the overflow launder 441 of downflow weir 440, and by separator
Outlet 413 discharges degassing precipitation chamber 411, carries out subsequent treatment.During anaerobic sludge rises with water, anaerobic sludge is in precipitation
Settle and be slipped to the conical cavity bottom degassing precipitation chamber 411 on swash plate 430, contribute to anaerobic sludge and be separated from water, so far, complete
The separation of Cheng Shui, anaerobic sludge and gas.
Thus, it is possible to utilize precipitate and separate device 400 first to isolate gas, water and anaerobic sludge outside anaerobic reaction room 110,
Product after separating again is each delivered to different regions, improves the pure of water outlet.
Further, as shown in Figure 4 and Figure 5, anaerobic fermentation reaction unit 10 also includes sinker 500, and sinker 500 is even
It is connected between the outlet 112 of anaerobic reaction room 110 and the import 416 in degassing precipitation chamber 411.So can utilize sinker
500 consume and disperse the energy of the water flowed out by anaerobic fermentation tank body 100, prevent from or alleviate being flowed out by anaerobic fermentation tank body 100
The water erosion damage to precipitate and separate device 400.
Advantageously, as shown in Figure 4 and Figure 5, anaerobic fermentation reaction unit 10 also includes mud return line 600, sludge reflux
One end of pipe 600 connects with anaerobic reaction room 110, the sludge outlet 412 in degassing precipitation chamber 411 by mud discharge pipe 700 with
Mud return line 600 is connected, and mud return line 600 is provided with sludge reflux pump 610, and the anaerobism discharged from sludge outlet 412 is dirty
Mud can pass sequentially through mud discharge pipe 700 and mud return line 800 returns to anaerobic reaction room 110, thus recycles.
Alternatively, for external precipitate and separate device 400, hydrocyclone or external air-floating apparatus can be used to replace.
In concrete examples more of the present utility model, as it is shown in figure 5, the bottom of anaerobic reaction room 110 has mud row
Putting mouth 115, mud discharging mouth 115 connects mud discharging valve and/or mud discharging pump 116, unnecessary in anaerobic reaction room 110
Anaerobic sludge can discharge anaerobic reaction room 110 by mud discharging mouth 115.
Alternatively, as shown in Figure 4 and Figure 5, waste water inlet 111 connects has charging pump 117, to control whether to anaerobic reaction
Room 110 transport wastewater and the wastewater flow rate to anaerobic reaction room 110 conveying.As depicted in figs. 1 and 2, air supply pipe 300 is provided with position
Gas control valve 118 outside anaerobic reaction room 110, to control whether to supply to stripping tube 200 and to the confession of stripping tube 200
Tolerance.
Further, the water inlet pipe at waste water inlet 111 can connect water-locator, or offers water distribution on water inlet pipe
Hole.
Advantageously, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, anaerobic fermentation reaction unit 10 also includes water sealed tank 800, anaerobism
The top of fermentation tank 100 is provided with safe QI KOU 114, and safe QI KOU 114 is connected with water sealed tank 800.Thus can utilize water seal
Tank 800 completely cuts off air, maintains the pressure of anaerobic reaction room 110, and can play back-fire relief effect, additionally can play biogas
Certain clean-up effect.
Alternatively it is also possible to use relief valve to replace water sealed tank 800.
Anaerobic fermentation reaction unit 10 according to this utility model embodiment, eliminates air floating structure and flotation cell, logical
Cross air supply pipe 300 and the mixture of the waste water in anaerobic reaction room 110 and anaerobic sludge is stirred by stripping tube 200, make to give up
Water and anaerobic sludge fully, contact rapidly, and stirring scope is big, mixing effect good, it is possible to COD treatment effect is greatly improved, and
Simple in construction, low cost, COD processes below 100mg/L.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " suitable
Hour hands ", the orientation of the instruction such as " counterclockwise " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
Describe in description this utility model and simplification rather than indicate or imply that the device of indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands above-mentioned term concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
D score can include that the first and second features directly contact, it is also possible to includes that the first and second features are not directly contact but logical
Cross the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
Any one or more embodiments or example combine in an appropriate manner.Additionally, those skilled in the art can be by
Different embodiments or example described in this specification engage and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model
In above-described embodiment can be changed, revise, replace and modification.
Claims (14)
1. an anaerobic fermentation reaction unit, it is characterised in that including:
Anaerobic fermentation tank body, has anaerobic reaction room in described anaerobic fermentation tank body, described anaerobic reaction room have waste water inlet,
Outlet and air vent；
Stripping tube, it is indoor that described stripping tube is located at described anaerobic reaction, and the upper end of described stripping tube has gas outlet and described gas
The lower end carrying pipe has air inlet；
Air supply pipe, described air supply pipe is connected with the air inlet of described stripping tube, for supply in described stripping tube for air stripping
Gas.
Anaerobic fermentation reaction unit the most according to claim 1, it is characterised in that the lower end of described stripping tube is adjacent to described
The bottom of anaerobic reaction room and the upper end of described stripping tube extend to the top of described anaerobic reaction room, and described outlet is located at institute
State the top of anaerobic reaction room and be higher than the upper end of described stripping tube.
Anaerobic fermentation reaction unit the most according to claim 1, it is characterised in that the upper surface of described stripping tube open wide with
Forming described gas outlet, the lower surface of described stripping tube is opened wide to form described air inlet.
Anaerobic fermentation reaction unit the most according to claim 3, it is characterised in that described stripping tube includes vertically
The straight length extended and the segmental arc that is connected with the upper end of described straight length, the opening direction of described gas outlet and straight down
Angle between direction is more than or equal to zero degree and less than 180 degree.
Anaerobic fermentation reaction unit the most according to claim 4, it is characterised in that described segmental arc is inverted U-shaped, described in go out
The opening direction of QI KOU is straight down.
Anaerobic fermentation reaction unit the most according to claim 1, it is characterised in that described stripping tube is multiple and in level
In face, interval is arranged.
7. according to the anaerobic fermentation reaction unit according to any one of claim 1-6, it is characterised in that also include: precipitation point
From device, described precipitate and separate device is located at described anaerobic reaction indoor and is positioned at above described stripping tube, described precipitate and separate utensil
There is the separator outlet being connected with described outlet.
Anaerobic fermentation reaction unit the most according to claim 7, it is characterised in that described precipitate and separate device includes:
Casing, is formed with degassing precipitation chamber in described casing, the bottom in described degassing precipitation chamber has sludge outlet, described degassing
The cross-sectional area of the bottom in precipitation chamber is gradually reduced along direction from the top down；
Dividing plate, described dividing plate be located at described degassing precipitation chamber top, described dividing plate by described degassing precipitation chamber upper part every
Becoming degassing district and settling zone, the bottom in described degassing district connects with the bottom of described settling zone so that waste water is from described anaerobic reaction
Flow in described settling zone in room overflows to described degassing district and then from the bottom in described degassing district；
Precipitation inclined plate, described precipitation inclined plate is located in described settling zone；
Downflow weir, in described downflow weir is located at described settling zone and described downflow weir formed have described separator outlet overflow
Chute.
Anaerobic fermentation reaction unit the most according to claim 8, it is characterised in that limit described degassing with described dividing plate
The upper edge of the box portion in district is less than the upper edge of described dividing plate and limits the box portion of described settling zone with described dividing plate
Upper edge.
Anaerobic fermentation reaction unit the most according to claim 9, it is characterised in that described casing is cuboid, described case
The lower end of the first longitudinal side wall of the bottom of body extends downward beyond the lower end of the second longitudinal side wall of the bottom of described casing, and described
The lower end of the first longitudinal side wall is the most overlapping with the lower end of described second longitudinal side wall.
11. according to the anaerobic fermentation reaction unit according to any one of claim 1-6, it is characterised in that also include: precipitation point
From device, it is external and include that described precipitate and separate device is located at described anaerobic fermentation tank:
Casing, forms degassing precipitation chamber in described casing, described degassing precipitation chamber has import, separator outlet and mud and goes out
Mouthful, described import connects with described outlet, and the bottom in described degassing precipitation chamber is formed as cross-sectional area along side from the top down
To at least one conical cavity being gradually reduced, described sludge outlet is formed at the bottom of described conical cavity；
Precipitation inclined plate, described precipitation inclined plate is located at described degassing precipitation intracavity；
Downflow weir, described downflow weir is formed and described separator water outlet in being located at described degassing precipitation intracavity and described downflow weir
The overflow launder of mouth connection.
12. anaerobic fermentation reaction units according to claim 11, it is characterised in that also include: sinker, described energy dissipating
Device is connected between the outlet of described anaerobic reaction room and the import in described degassing precipitation chamber.
13. anaerobic fermentation reaction units according to claim 11, it is characterised in that also include:
For the mud discharged from described sludge outlet being returned to the mud return line that described anaerobic reaction is indoor, described mud
One end of return duct connects with described anaerobic reaction room, and described sludge outlet passes through mud discharge pipe and described mud return line phase
Even, described mud return line is provided with sludge reflux pump.
14. anaerobic fermentation reaction units according to claim 1, it is characterised in that also include: water sealed tank, described anaerobism
The top of fermentation tank is provided with safe QI KOU, and described safe QI KOU is connected with described water sealed tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620632235.7U CN205838669U (en) | 2016-06-23 | 2016-06-23 | Anaerobic fermentation reaction unit |
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| CN201620632235.7U CN205838669U (en) | 2016-06-23 | 2016-06-23 | Anaerobic fermentation reaction unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540084A (en) * | 2016-06-23 | 2018-01-05 | 帕克环保技术(上海)有限公司 | Anaerobic fermentation reaction unit |
| CN110526394A (en) * | 2019-09-27 | 2019-12-03 | 恩格拜（武汉）生态科技有限公司 | A kind of the anaerobic reaction method and reactor of primary flux gas supply circulation stirring |
-
2016
- 2016-06-23 CN CN201620632235.7U patent/CN205838669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107540084A (en) * | 2016-06-23 | 2018-01-05 | 帕克环保技术(上海)有限公司 | Anaerobic fermentation reaction unit |
| CN110526394A (en) * | 2019-09-27 | 2019-12-03 | 恩格拜（武汉）生态科技有限公司 | A kind of the anaerobic reaction method and reactor of primary flux gas supply circulation stirring |
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