CN206289145U - A kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit - Google Patents
A kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit Download PDFInfo
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- CN206289145U CN206289145U CN201621366863.1U CN201621366863U CN206289145U CN 206289145 U CN206289145 U CN 206289145U CN 201621366863 U CN201621366863 U CN 201621366863U CN 206289145 U CN206289145 U CN 206289145U
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- sludge
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- mud
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Abstract
Turn round box ultrasonic wave breaking sludge pretreatment unit the utility model discloses a kind of plug flow, by former mud reservoir system, plus alkali stirring system, ultrasonic reactor system, treatment after sludge storage pool system and connecting line constitute；Ultrasonic reactor includes sludge reaction casing, two arranged up and down is included in sludge reaction casing and cracks groove, under crack the bottom of groove and be provided with enters mud pipe, enters mud pipe is connected with the outlet for entering mud screw pump, above cracks and liquid level gauge is provided with groove；During breaking sludge, arrange up and down in sludge reaction casing two of sludge crack plug flow swinging reaction in groove, sludge is delivered to plus alkali stirring system through former mud reservoir system, plus carry out ultrasonic disintegration into ultrasonic reactor system after alkali, the time is cracked for 5~30min, sludge storage pool after rear sludge enters treatment is cracked and is completed pretreatment reaction.The utility model has that low power density, treating capacity are larger, treatment effect is preferable, Treatment of Sludge is uniform, continous way operation and the characteristics of power adjustable.
Description
Technical field
The utility model is related to a kind of sludge treating system, more particularly to a kind of ultrasonic wave-coupled alkaline hydrolysis sludge pretreatment dress
Put.
Background technology
At present, municipal sewage plant is most uses Wastewater Treated by Activated Sludge Process sewage, and the technique output sludge quantity is very big, dirty
Containing complex materials such as a large amount of microorganisms, organic remains, inorganic particulates in mud, if deal with improperly can bring serious to environment
Pollution.Method for sludge treatment has anaerobic digestion, aerobic sigestion and sludge composting etc., and most common of which is anaerobic digestion, but
Due to there is hard-degraded substance in sludge, therefore the digestion residence time is more long.
Ultrasonic coupling alkaline hydrolysis pretreating sludge technology can difficult degradation, constitutionally stable microorganism wall in breaking sludge,
In organic substance in microbial cell is spilt into sludge, the preconditioning technique can shorten the subsequent anaerobic digestion residence time, increase
Plus biological gas production, it is a kind of efficient sludge digestion preconditioning technique.
Traditional ultrasonic wave breaking sludge pretreatment unit mainly has two kinds of sonde-type and slot type, sonde-type reactor transducing
, not under liquid level, the device sound intensity is big, high treating effect, but treating capacity is limited for device probe, pops one's head in perishable, and traditional slot type
Transducer probe is placed in reactor bottom by reactor, and this kind of plant energy consumption is smaller, and treating capacity is larger, and application is simple and convenient.
At present, traditional ultrasonic coupling alkaline hydrolysis pretreating sludge technology is only limitted to laboratory, it is impossible to be adapted to commercial scale
Production application.
Utility model content
The purpose of this utility model be solve conventional ultrasound breaking sludge equipment treating capacity it is small, the acoustic irradiation uniformity is low,
It is unable to continuous processing, high energy consumption and pretreating process flow is immature, it is impossible to is adapted to the problem of plant-scale production application.
There is provided that a kind of low power density, treating capacity are larger, treatment effect is preferable, Treatment of Sludge is uniform, continous way operation and power adjustable
A kind of plug flow turn round box ultrasonic wave breaking sludge pretreatment unit and technique, so as to improve sludge digestion efficiency, at reduction
Reason cost.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of plug flow to turn round box ultrasonic wave breaking sludge pre-
Processing unit, including former mud reservoir system, plus alkali stirring system and treatment after sludge storage pool system；The former mud reservoir system bag
A storage basin is included, a set of bottom-heated coil pipe, a set of stirring facility and the defeated mud screw pump being provided with the storage basin；
Described plus alkali stirring system includes mixer and a set of liquid level automatic monitoring controller in a sludge tank, a tank；It is described
Sludge storage pool system is identical with the structure of the former mud reservoir system after treatment；The defeated mud screw pump of the former mud reservoir system leads to
The import that pipeline is connected to the sludge tank is crossed, the defeated mud screw pump of sludge storage pool system is connected to by pipeline after the treatment
Follow-up anaerobic digestion process system；After described plus alkali stirring system and treatment ultrasonic reactor is provided between sludge storage pool system
System；The ultrasonic reactor system includes that a ultrasonic reactor enters be arranged on the ultrasonic reactor mud inlet end one
Mud screw pump, it is described enter mud screw pump be located at the sludge tank lower section, it is described enter mud screw pump import by pipeline connect
To the outlet of the sludge tank, electromagnetic flowmeter is provided with the pipeline；The ultrasonic reactor includes sludge reaction casing, institute
State and lid is provided with the top of sludge reaction casing, the lid is provided with detachable flange port, includes in the sludge reaction casing
Two for arranging up and down crack groove, under crack the bottom of groove and be provided with enters mud pipe, the enters mud pipe with it is described enter mud screw pump go out
Mouthful be connected, the top for above cracking groove is provided with exhaust outlet, it is described on crack the top of groove, at its same lateral position with the enters mud pipe
Be provided with sludge out pipe, it is described on crack groove and be provided with sample tap, it is described on crack liquid level gauge be provided with groove；Cracked under described groove with it is described
On crack and connected by connecting tube between groove, the connecting tube is located remotely from one end of enters mud pipe；Groove and upper broken is cracked under described
The two side for solving groove is externally provided with multiple ultrasonic transducers, and the frequency probe of the ultrasonic transducer is 20kHz, peak power
It is 100W；The arrangement of multiple ultrasonic transducers is both sides and dislocation, uniform up and down；The method of operation of ultrasonic transducer
For offside is grouped independent control, all ultrasonic transducers on the wall of the same side share a knob switch, the knob
The power bracket that switch is controlled is 0-100%, and unilateral peak power is 5kW, bilateral peak power 10kW.
Further, the centre-to-centre spacing of two neighboring ultrasonic transducer is equal to the ultrasonic transducer diameter of twice.It is described
Enter mud screw pump to be located at 1 meter of sludge tank lower section.Cracked on described groove and it is described under to crack and be provided with structural support between groove.
The sludge out pipe is provided with recoil mouth.
Compared with prior art, the beneficial effects of the utility model are：
The utility model is applied to large-scale production, and disposal ability improves sludge digestion efficiency up to 0.5-5 tons/h；
The acoustic irradiation uniformity is high, and Treatment of Sludge is uniform, and can continous way operation, its power adjustable, the low only 0- of power density
0.04kW/L, power consumption 1kWh-10kWh sludge per ton, operating cost are relatively low.
Brief description of the drawings
Fig. 1 is to turn round the technique that box ultrasonic wave breaking sludge pretreatment unit is processed using the utility model plug flow
Flow；
Fig. 2-1 is the front view of ultrasonic reactor in the utility model；
Fig. 2-2 is the top view of ultrasonic reactor shown in Fig. 2-1；
Fig. 2-3 is the side view of ultrasonic reactor shown in Fig. 2-1.
Specific embodiment
Technical solutions of the utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is described
Specific embodiment is only explained to the utility model, is not used to limit the utility model.
The utility model proposes a kind of plug flow turn round box ultrasonic wave breaking sludge pretreatment unit, as shown in figure 1, should
Device includes former mud reservoir system 10, adds alkali stirring system 20, ultrasonic reactor system 30 and sludge storage pool system 40 after treatment.
The former mud reservoir system 10 includes a set of bottom-heated disk being provided with a storage basin 11, the storage basin 11
Pipe, a set of stirring facility and a defeated mud screw pump.
Described plus alkali stirring system 20 includes mixer and a set of liquid level automatic monitoring in 21, tank of a sludge tank
Device processed.
The ultrasonic reactor system 30 be arranged on after described plus alkali stirring system 20 and treatment sludge storage pool system 40 it
Between.The ultrasonic reactor system 30 includes a ultrasonic reactor 31 and is arranged on the one of the mud inlet end of the ultrasonic reactor 31
Platform enters mud screw pump 32, it is described enter mud screw pump 32 be located at the lower section 1m of the sludge tank 21, it is described enter mud screw pump 32
Import is connected to the outlet of the sludge tank 21 by pipeline, and electromagnetic flowmeter 33 is provided with the pipeline.
Sludge storage pool system 40 is identical with the structure of the former mud reservoir system 10 after the treatment；Former mud reservoir system 10
In defeated mud screw pump be defeated mud screw pump A, defeated mud screw pump after treatment in sludge storage pool system 40 is defeated mud screw pump B,
The defeated mud screw pump A of the former mud reservoir system 10 is connected to the import of the sludge tank 21 by pipeline, dirty after the treatment
The defeated mud screw pump B of mud reservoir system 40 is connected to follow-up anaerobic digestion process system by pipeline.
As shown in Fig. 2-1, Fig. 2-2 and Fig. 2-3, the ultrasonic reactor 31 includes sludge reaction casing 1, and the sludge is anti-
The top of casing 1 is answered to be provided with lid, the lid is provided with includes upper and lower cloth in detachable flange port, the sludge reaction casing 1
Two for putting crack groove, and sludge reaction casing 1 sets Sound-proof material around the surrounding for cracking groove, cracks groove and sludge reaction tank material
Be 304 stainless steels, under crack the bottom of groove 2 and be provided with enters mud pipe 3, the enters mud pipe 3 with it is described enter mud screw pump 32 outlet
Be connected, the top for above cracking groove 4 is provided with exhaust outlet 5, it is described on crack top, its same lateral position with the enters mud pipe 3 of groove 4
Place is provided with sludge out pipe 6, and the sludge out pipe 6 is provided with recoil mouth 61.Groove 4 is cracked on described and is provided with sample tap 9, it is described on crack groove
Liquid level gauge is provided with 4.Cracked under described groove 2 and it is described on crack and connected by connecting tube 7 between groove 4, the connecting tube 7 is located at
Away from one end of enters mud pipe 3；Crack under described groove 2 and it is described on crack groove 4 between the other end be provided with structural support 42.
The two side that groove 2 is cracked under described and groove 4 is above cracked is externally provided with multiple ultrasonic transducers 8, the ultrasonic waves
The frequency probe of energy device 8 is 20kHz, and peak power is 100W；In order to avoid the waste of energy consumption, multiple ultrasonic transducers 8
Arrangement dislocation, uniform, the ultrasonic waves of centre-to-centre spacing equal to twice of two neighboring ultrasonic transducer 8 for both sides and up and down
Can device diameter.There are two supersonic generator power supplys, the ultrasonic wave transducer on the wall of the left and right sides is controlled by cable connection respectively
The opening and closing of device, and power numeral is shown in real time, all ultrasonic transducers 8 on the wall of the same side share a knob switch,
The adjustable power bracket of knob switch is 0-100%, and unilateral peak power is 5kW, bilateral peak power 10kW.
The method of operation of ultrasonic transducer has two grades, and control mode is the ultrasonic transducer that offside is grouped independent control, i.e. side
It it is first group, the ultrasonic transducer of opposite side is second group, and one grade represents first group of transducer operation, and two grades represent second group
Transducer runs, and two grades of standard-sized sheets are two groups running simultaneously, and power can be adjusted with packet 0-100% is required, in practical application, can
To be arranged as required to the ultrasonic transducer of multigroup both sides dislocation arrangement.
Sludge plug flow swinging flowing in the range of casing acoustic irradiation, liquid level flows out automatically when reaching mud outlet end liquid level,
Now liquid level meets ultrasonically treated requirement, is safety levels, and can open ultrasonic-frequency power supply carries out cracking treatment, if liquid level is not up to safety
Liquid level, then ultrasonic-frequency power supply meeting automatic alarm, prevents ultrasound transducer probe from radiating less than sludge.
The pretreating process flow for turning round box ultrasonic wave breaking sludge pretreatment unit using above-mentioned plug flow originates in storage
Stirring facility is set in mud sump 11, storage basin 11 prevents sludge settling from heaping, and separately sets vertical screw pump, and pump is long high higher than pond, motor
Being placed in more than Chi Ding prevents gas attack, and the sludge being stored in storage basin 11 is delivered to sludge tank 21 through defeated mud screw pump A, should
The impulse force of the defeated mud screw pump A of the available buffer of sludge tank 21, while can add alkali and stir, the liquid level in sludge tank 21 is certainly
Dynamic monitor controller can automatically monitor the defeated mud screw pump A that two position in tank controls stop and start front end respectively, plus alkali stirring is
Even rear sludge is flowed out from the outlet of the bottom of sludge tank 21, and flow is recorded through electromagnetic flowmeter 33, while flow velocity is shown, then through rill
That measures enters the enters mud pipe 3 that the even low speed current stabilization of mud screw pump 32 is delivered to the sidewall bottom of ultrasonic reactor 31, and it is anti-that sludge enters ultrasound
Device 31 is answered to be pre-processed, sludge flows out from the sludge out pipe 6 of the top side wall of ultrasonic reactor 31 after pretreatment, unpowered to flow to place
Sludge storage pool after reason, in case anaerobic digestion is used.The detailed process of the technique is as follows：
Enter mud process：
The hand switch of defeated mud screw pump A is opened, from defeated mud screw pump A to sludge is conveyed in the sludge tank 21, works as dirt
When liquid level reaches liquid level and monitors minimum liquid level automatically in mud tank 21, the liquid level automatic monitoring system dress of described plus alkali stirring system 20
Put the defeated mud screw pump A of control automatic by being cut to manually；Mixer in tank in unlatching plus alkali stirring system 20, opens Electromagnetic Flow
Meter 33, opens and enters mud screw pump 32 positioned at the mud inlet end of the ultrasonic reactor 31, by enters mud pipe 3 to sludge reaction casing 1
Under to crack and note mud in groove 2,
Course of reaction：Arranged about 1 in sludge reaction casing two of sludge crack plug flow swinging reaction in groove；Work as dirt
When mud reaches the standard liquid level line for cracking liquid level gauge in groove 4, the power supply of ultrasonic reactor 31 is opened, adjust two knob switch
The power of ultrasonic transducer of both sides is controlled to be 50%, sludge flow in casing, i.e., what sludge cracked groove 2 under oneself enters mud
Mouth 3 flows to connecting tube 7 and flows to sludge out pipe 6 into groove 4 is above cracked, and control sludge is in the residence time reacted in casing 1
The time is cracked for 5~30min, it is preferably 10~15min, more preferably 15min.Retention period by ultrasonic radiation act on into
Row cracks reaction, after sludge reaches the residence time i.e. when sludge liquid level reaches mud extraction liquid level, cracks rear sludge automatically from upper
The sludge out pipe 6 for cracking groove 4 exits into the storage basin of sludge storage pool system 40 after the treatment；
In above-mentioned course of reaction, sampled by sample tap, analyze dissolubility COD, protein and the polysaccharide of sample, according to
Analysis result, adjusts the power of the flow and/or ultrasonic transducer into mud screw pump 32.
After the completion of course of reaction, defeated mud screw pump B is opened as needed will be into sludge storage pool system 40 after the treatment
Sludge in storage basin is delivered to follow-up anaerobic digestion process.
Embodiment 1
Certain sewage treatment plant residual sludge is carried out cracking pretreatment, the factory uses A/O active sludge treatment processes, treatment
Ability is 260,000m3/ d, wherein 60% is sanitary sewage, 40% is industrial wastewater.Sludge is located in advance through the utility model equipment
Reason, processing power is 3.2kW, and frequency is 20kHz, and the residence time is 10min, and sludge SCOD dissolution rates are increased to after treatment
20%, pretreated anaerobic sludge digestion under conditions of sludge biogas production rate and the organic removal rate for remaining same, surpasses
The Effect of Pretreatment of sound wave can make the sludge retention time that anaerobic digestion is reacted shorten to 8d, pretreating sludge by general 20d
When sludge retention time is 8d, its percent hydrolysis, acid production rate and methane production rate improve 82.38%, 76.47% compared with 20d respectively
With 86.54%.Pretreatment breaking sludge biogas output increased 68% compared to control group.
Embodiment 2
Certain municipal sewage plant dewatered sludge is carried out cracking pretreatment, the factory uses A2/ O active sludge treatment works
Skill, disposal ability is 200,000m3/ d, moisture percentage in sewage sludge 80%-82%, moisture content 96% is diluted to during treatment by sludge, dilute
Release rear sludge to be pre-processed through this technique, sonification power is 5kW, frequency is 20kHz, residence time 15min, caustic dosage is
0.01g/g TS CaO.Sludge SCOD concentration increases by 100% compared with control group, anaerobic digestion is carried out to sludge after treatment, after cracking
Sludge carries out anaerobic digestion reaction, and pretreatment cracks rear gas yield and increased 94% compared to control group.
Although being described to the utility model above in conjunction with accompanying drawing, the utility model is not limited to above-mentioned
Specific embodiment, above-mentioned specific embodiment is only schematical, rather than restricted, the ordinary skill of this area
Personnel, in the case where the utility model objective is not departed from, can also make many variations under enlightenment of the present utility model, this
Belong within protection of the present utility model.
Claims (5)
1. a kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit, including former mud reservoir system (10), plus alkali stirring
Sludge storage pool system (40) after system (20) and treatment；The former mud reservoir system (10) includes a storage basin (11), described
A set of bottom-heated coil pipe, a set of stirring facility and the defeated mud screw pump being provided with storage basin (11)；The stirring of described plus alkali
System (20) includes mixer and a set of liquid level automatic monitoring controller in a sludge tank (21), a tank；The treatment
Sludge storage pool system (40) is identical with the structure of the former mud reservoir system (10) afterwards；The defeated mud of the former mud reservoir system (10)
Screw pump is connected to the import of the sludge tank (21) by pipeline, the defeated mud snail bar of sludge storage pool system (40) after the treatment
Pump is connected to follow-up anaerobic digestion process system by pipeline；It is characterized in that：
After described plus alkali stirring system (20) and treatment ultrasonic reactor system (30) is provided between sludge storage pool system (40)；Institute
Ultrasonic reactor system (30) is stated including a ultrasonic reactor (31) and the ultrasonic reactor (31) mud inlet end is arranged on
One is entered mud screw pump (32), it is described enter mud screw pump (32) positioned at the lower section of the sludge tank (21), it is described enter mud screw pump
(32) import is connected to the outlet of the sludge tank (21) by pipeline, and electromagnetic flowmeter (33) is provided with the pipeline；
The ultrasonic reactor (31) includes sludge reaction casing (1), and lid is provided with the top of the sludge reaction casing (1),
The lid is provided with detachable flange port, two arranged up and down is included in the sludge reaction casing (1) and cracks groove, under crack
The bottom of groove (2) is provided with enters mud pipe (3), the enters mud pipe (3) with it is described enter mud screw pump (32) outlet be connected, above crack groove
(4) top is provided with exhaust outlet (5), it is described on crack the top of groove (4), set at its same lateral position with the enters mud pipe (3)
Have a sludge out pipe (6), it is described on crack groove (4) and be provided with sample tap (9), it is described on crack in groove (4) and be provided with liquid level gauge；
Cracked under described groove (2) with it is described on crack and be connected by connecting tube (7) between groove (4), the connecting tube (7) is positioned at remote
From one end of enters mud pipe (3)；
The two side that groove (2) is cracked under described and groove (4) is above cracked is externally provided with multiple ultrasonic transducers (8), the ultrasonic wave
The frequency probe of transducer (8) is 20kHz, and peak power is 100W；The arrangement of multiple ultrasonic transducers (8) is both sides
And dislocation, uniform up and down；The method of operation of ultrasonic transducer is that offside is grouped independent control, all ultrasounds on the wall of the same side
Wave transducer (8) shares a knob switch, and the power bracket that the knob switch is controlled is 0-100%, and one side is most
High-power is 5kW, bilateral peak power 10kW.
2. plug flow turns round box ultrasonic wave breaking sludge pretreatment unit according to claim 1, it is characterised in that adjacent two
The centre-to-centre spacing of individual ultrasonic transducer (8) is equal to the ultrasonic transducer diameter of twice.
3. plug flow turns round box ultrasonic wave breaking sludge pretreatment unit according to claim 1, it is characterised in that it is described enter
Mud screw pump (32) is at 1 meter below the sludge tank (21).
4. plug flow turns round box ultrasonic wave breaking sludge pretreatment unit according to claim 1, it is characterised in that on described
Crack groove (4) with it is described under to crack and be provided with structural support (42) between groove (2).
5. plug flow turns round box ultrasonic wave breaking sludge pretreatment unit according to claim 1, it is characterised in that it is described go out
Mud pipe (6) is provided with recoil mouth (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366863.1U CN206289145U (en) | 2016-12-13 | 2016-12-13 | A kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621366863.1U CN206289145U (en) | 2016-12-13 | 2016-12-13 | A kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit |
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| Publication Number | Publication Date |
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| CN206289145U true CN206289145U (en) | 2017-06-30 |
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ID=59103857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621366863.1U Expired - Fee Related CN206289145U (en) | 2016-12-13 | 2016-12-13 | A kind of plug flow turns round box ultrasonic wave breaking sludge pretreatment unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587548A (en) * | 2016-12-13 | 2017-04-26 | 天津大学 | Box type device and process for pretreatment of sludge by virtue of ultrasonic coupling alkaline hydrolysis |
| CN108191187A (en) * | 2018-03-26 | 2018-06-22 | 河海大学 | A kind of Sludge by Ultrasonic processing system |
-
2016
- 2016-12-13 CN CN201621366863.1U patent/CN206289145U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106587548A (en) * | 2016-12-13 | 2017-04-26 | 天津大学 | Box type device and process for pretreatment of sludge by virtue of ultrasonic coupling alkaline hydrolysis |
| CN108191187A (en) * | 2018-03-26 | 2018-06-22 | 河海大学 | A kind of Sludge by Ultrasonic processing system |
| CN108191187B (en) * | 2018-03-26 | 2020-05-22 | 河海大学 | Ultrasonic sludge treatment system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20191213 |