CN109824243A - A kind of tandem ball milling sludge dehydration device - Google Patents
A kind of tandem ball milling sludge dehydration device Download PDFInfo
- Publication number
- CN109824243A CN109824243A CN201910225355.3A CN201910225355A CN109824243A CN 109824243 A CN109824243 A CN 109824243A CN 201910225355 A CN201910225355 A CN 201910225355A CN 109824243 A CN109824243 A CN 109824243A
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- China
- Prior art keywords
- sludge
- reactor
- steel ball
- ball milling
- stage reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 92
- 230000018044 dehydration Effects 0.000 title claims abstract description 24
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 24
- 238000000498 ball milling Methods 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 210000002421 cell wall Anatomy 0.000 claims abstract description 11
- 230000006378 damage Effects 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
- 239000000203 mixture Substances 0.000 claims description 5
- 210000004027 cell Anatomy 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- 239000010801 sewage sludge Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The present invention provides a kind of tandem ball milling sludge dehydration devices for reducing moisture percentage in sewage sludge, including mud inlet (1), first-stage reactor (2), second reactor (3), level-one switchs (4), secondary switch (5), shaft (61), shaft (62) mud mouth (7), steel ball (81), steel ball (82), sludge bucket (9), water outlet (10), the present invention passes through the mechanical energy destruction sludge cell wall that generation is collided between steel ball and sludge, realize deeply dehydrating sludge, dehydrated sludge moisture content is reduced to 10% or less, add agent appropriate, the removal of organic pollutant in sludge may be implemented, device is simple, the low feature of manufacturing cost, secondary pollution will not be generated in reaction process, thus have broad application prospects.
Description
Technical field
The present invention relates to a kind of tandem ball milling sludge dehydration devices, belong to technical field of sludge treatment.
Background technique
Urban wastewater treatment ability in China's has obtained quick development in recent years, by the end of the year 2016, national the planned city,
County is accumulative to build up urban wastewater treatment ability up to 1.73 billion cubic meters/day, and the end of the year 2015 of sludge of association has reached 30,000,000
T/ (meter of moisture content 80%), a large amount of sludge need safe disposal.
There are many disposal technology of sludge, there is security landfill, burning, compost, greening, desiccation etc..The processing of these technologies
The moisture content of cost and sludge has direct relation, and the processing cost for the sludge that the excessively high moisture content of sludge increases is lower aqueous
Rate can reduce the cost of disposal of sludge.Traditional sludge dewatering realizes by filters pressing and is dehydrated, dehydration efficiency is not high；Use change
Method dehydration can destroy sludge cell wall and obtain higher dehydration efficiency, but be easy to cause secondary sludge；How to reduce by
It is one of to compel highly necessary to solve the problems, such as in current sludge dehydration process that the moisture content of sludge does not cause secondary sludge again.
Summary of the invention
The present invention be solve the moisture content of sludge to increase a kind of new mode, while this technology is without secondary pollution, and
Sludge reduction and innoxious may be implemented, the present invention provides the following technical solutions:
For this purpose, concrete scheme of the present invention is as follows:
A kind of tandem ball milling sludge dehydration device is opened by mud inlet, first-stage reactor, second reactor, level-one switch, second level
Pass, shaft, mud mouth, steel ball, sludge bucket, discharge outlet；First-stage reactor and second reactor are composed in series, anti-in every level-one
It answers to carry out colliding between steel ball and sludge in device and breaks sludge cell wall, have the function that dehydration, the aqueous of sludge can be used
Rate is reduced to 10% or less from 80%.
Specifically, the sludge, in first-stage reactor, shaft drives the steel ball in reactor in first-stage reactor
Free motion collision, the mechanical energy generated in the collision process of high speed destroy sludge cell wall, reach the mesh of sludge dewatering
's.
Specifically, mud mixture is switched by level-one into second reactor in the first-stage reactor, and pass through
The mechanical energy that generation is collided between the rotational speed regulation steel ball and sludge of control shaft, which reaches, destroys sludge cell wall.
Specifically, the sludge, in second reactor, shaft drives the steel ball in reactor in second reactor
Free motion collision further realizes the rupture release moisture of cell wall in sludge, achievees the purpose that dehydration.By a timing
Between reaction after, open secondary switch, mud mixture is put into sludge bucket and is stood.
Specifically, being discharged after the standing that the mud mixture in the sludge bucket passes through certain time by mud mouth
Dewatered sludge.
Present invention offer tandem ball milling sludge dehydration device, the low feature of structurally reasonable, simple process, manufacturing cost,
And the system uses closed conduct, free from the influence of the external environment, without adding chemical substance, secondary pollution being not present,
In device sludge dewatering be achieve the purpose that dehydration in such a way that mechanical energy destroys cell wall, thus with wide application before
Scape.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the tandem ball milling sludge dehydration device structural schematic diagram that present embodiment provides.
Fig. 2 is the top view of Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Technical solution provided by the invention is to generate energy based on the collision between steel ball, destroys sludge cell to reach
Wall flows out the moisture contained in its cell, reaches and reduces sludge volume and quality.Collision between steel ball generates energy, is
A kind of mechanical energy, reaction are simple and efficient, and reaction condition requirement is lower, can be carried out under normal temperature and pressure conditions.
It elaborates with reference to the accompanying drawings of the specification to technical solution proposed by the present invention, as shown in Figure 1, multistage sludge
Dehydration device includes mud inlet 1, first-stage reactor 2, second reactor 3, level-one switch 4, secondary switch 5, shaft 6, mud mouth
7, steel ball 8, sludge bucket 9, discharge outlet 10.
Specific implementation 1, with 1m3First-stage reactor and 1m3For second reactor:
By 0.5 m3The sewage treatment plants sludge that moisture content is 82% is added in first-stage reactor 2 from mud mouth 1, by diameter
Be 1.5cm steel ball 81 each 100 for 1cm and diameter to be put into first-stage reactor 2, setting shaft 61 velocity of rotation be 400 turns/
Min, the residence time of sludge reaction is 20min in first-stage reactor 2.After reaction, the moisture content for measuring sludge is 30%.
By diameter be 1cm and diameter is 1.5cm steel ball 82 each 100 and is put into second reactor 3, and the velocity of rotation of setting shaft 62 is
350 turns/min, the residence time of sludge reaction is 30min in second reactor 3.After reaction, the moisture content of sludge drops to
9%。
Specific implementation 2, with 1m3First-stage reactor and 1m3For second reactor:
By 0.6 m3Certain pesticide sewage treatment plant sludge that moisture content is 82% contains a large amount of organic contamination of class containing chlorine in sludge
Object, measuring moral clone's concentration is the dry mud of 300mg/g, which is added in first-stage reactor 2 from mud inlet 1, is by diameter
1cm and diameter be 1.5cm steel ball 81 each 100 and be put into first-stage reactor 2, the velocity of rotation of setting shaft 61 is 400 turns/
Min, the residence time of sludge reaction is 20min in first-stage reactor 2.After reaction, the moisture content for measuring sludge drops to
30%.By diameter be 1cm and diameter is 1.5cm steel ball 82 each 100 and is put into second reactor 3, and the rotation speed of shaft 62 is arranged
Degree is 350 turns/min, and the residence time of sludge reaction is 30min in second reactor 3.After reaction, the moisture content of sludge
Drop to 9%.Dewatered sludge is taken out, is added in first-stage reactor 2 from mud inlet 1, CaO1kg is added, is 1cm by diameter
Steel ball 81 is put into first-stage reactor 2 for 100 totally, and the velocity of rotation of shaft 61 is arranged for 300 turns/min, in first-stage reactor 2
The residence time of sludge reaction is 20min, is that 1.5cm steel ball 82 is put into second reactor 3 for 100 totally by diameter, setting turns
The velocity of rotation of axis 62 is 250 turns/min, and the residence time of sludge reaction is 30min in second reactor 3.After reaction,
The moisture content of sludge drops to 7%, and moral clone's concentration can drop to the dry mud of 40mg/g
The technical solution provided using present embodiment, has the characteristics that simple process, manufacturing cost are low, and the device
Closing is adopted, without adding any chemical substance, other secondary pollutions such as dioxin will not be generated, thus there is wide application
Prospect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope that the embodiment of the present invention discloses, the variation that can readily occur in or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection of claim
Subject to range.
Claims (7)
1. a kind of tandem ball milling sludge dehydration device generates mechanical energy destruction sludge cell by colliding between steel ball and sludge
Wall has the function that sludge dewatering, which is characterized in that including mud inlet (1), first-stage reactor (2), second reactor (3), one
Grade switch (4), secondary switch (5), shaft (61), shaft (62), mud mouth (7), steel ball (81), steel ball (82), sludge bucket
(9), discharge outlet (10).
2. a kind of tandem ball milling sludge dehydration device according to claim 1, which is characterized in that first-stage reactor (2)
It with second reactor (3) is made up of concatenated mode, reactor is rounded, is made of stainless steel, and sludge first passes through level-one
After reactor (2), second reactor (3) are entered back into；Sludge passes through shaft in first-stage reactor (2) and second reactor (3)
(61) it drives between steel ball (81) and sludge and reactor wall and collides, the mechanical energy of generation reaches and destroys sludge cell
Wall realizes deeply dehydrating sludge, can increase third-stage reactor or more reaction by concatenated mode according to actual needs
Device.
3. a kind of according to claim 1, tandem ball milling sludge dehydration device described in 2, which is characterized in that in first-stage reactor
(2) after interior sludge cell wall breakage dehydration, mud mixture is entered in second reactor (3) by level-one switch (4), sludge
The time that mechanico-chemical reaction occurs in first-stage reactor (2) can be arbitrarily arranged.
4. a kind of according to claim 1, tandem ball milling sludge dehydration device described in 2,3, which is characterized in that sludge is in second level
It is driven in reactor (3) by shaft (62) and is further hit against between steel ball (82) and sludge, the mechanical energy of generation is destroyed
The unbroken residual sludge of cell wall, further realizes sludge dewatering in first-stage reactor.
5. a kind of tandem ball milling sludge dehydration device according to claim 4, which is characterized in that sludge is in second order reaction
After the interior sludge cell wall breakage dehydration of device (3), mud mixture is entered in sludge bucket (9) by secondary switch (5), and sludge exists
The time that mechanico-chemical reaction occurs in second reactor (3) can be arbitrarily arranged.
6. a kind of tandem ball milling sludge dehydration device according to claim 5, which is characterized in that dewatered sludge exists
It is stood in sludge bucket (9), water is discharged by discharge outlet (10), sludge is discharged in mud mouth (7).
7. a kind of tandem ball milling sludge dehydration device described in -6 according to claim 1, which is characterized in that first-stage reactor
(2) steel ball (81) volume being added in accounts for the 20-30% of first-stage reactor (2) volume；The steel ball being added in second reactor (3)
(82) volume accounts for the 10-30% of second reactor (3) volume；Steel ball (81) and steel ball (82) diameter are between 1-100cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225355.3A CN109824243A (en) | 2019-03-26 | 2019-03-26 | A kind of tandem ball milling sludge dehydration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225355.3A CN109824243A (en) | 2019-03-26 | 2019-03-26 | A kind of tandem ball milling sludge dehydration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109824243A true CN109824243A (en) | 2019-05-31 |
Family
ID=66871960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225355.3A Pending CN109824243A (en) | 2019-03-26 | 2019-03-26 | A kind of tandem ball milling sludge dehydration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114105422A (en) * | 2021-08-16 | 2022-03-01 | 内蒙古久科康瑞环保科技有限公司 | Resource utilization system and method for fracturing flow-back fluid precipitated sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114105422A (en) * | 2021-08-16 | 2022-03-01 | 内蒙古久科康瑞环保科技有限公司 | Resource utilization system and method for fracturing flow-back fluid precipitated sludge |
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Application publication date: 20190531 |