CN101514072A - Mud granulizing method, mud granule produced thereby and application thereof - Google Patents
Mud granulizing method, mud granule produced thereby and application thereof Download PDFInfo
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- CN101514072A CN101514072A CNA2009100092591A CN200910009259A CN101514072A CN 101514072 A CN101514072 A CN 101514072A CN A2009100092591 A CNA2009100092591 A CN A2009100092591A CN 200910009259 A CN200910009259 A CN 200910009259A CN 101514072 A CN101514072 A CN 101514072A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/78—Recycling of wood or furniture waste
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Abstract
The invention discloses a mud granulizing method, mud granules produced by the method and application of the mud granules. The method comprises the following steps: mixing mud and quicklime evenly, granulizing with a granulator to form mud granules, adding moderate amount of cement to enhance the strength of the mud granules which can be used as building filters, and adding moderate amount of carbon powder or sawdust to improve the combustibility of the mud granules which can be used as fuel. The mud granulizing method of the invention can be directly combined with the sewage disposal process, and mud is taken as raw material to produce mud granules with multiple uses to ensure that the mud produced by mud disposal can be recycled, thus resolving the mud disposal problem of the sewage disposal industry. The method can realize continuous and automatic work, avoid manual work directing at mud, and improve work environment.
Description
Technical field
The present invention relates to the method that a kind of solid waste is recycled, specifically, the present invention relates to a kind of treatment process and application thereof of sewage treatment tailing.
Background technology
Sewage disposal is that the impurity in the sewage is condensed into the process that semi-solid form is separated again from fluid, and the tailing of separating concentrates matter in the pasty state, is commonly called as to be mud.Further processing is not done to mud by present most of sewage work, but directly pasty state mud is toppled over, burns behind landfill or the natural airing; The sewage work that also has through overstocking dehydration, overstocks mud the dehydration back and forms soft pie mud, and then topple over, add bury or natural airing after burn.Topple over and add and bury mud and need take huge place, the foul gas severe contamination atmosphere that mud produces, operating environment is extremely abominable, and mud contains various heavy and hazardous and noxious substances, and they permeate the ground, severe contamination underground water; Burn same atmosphere pollution and operating environment behind the nature airing, so these method for sludge treatment run in the opposite direction with the environmental requirement that improves day by day, do not meet the requirement of reclamation of solid wastes, minimizing, harmless treatment yet, forbidden by environmental administration gradually.Like this, sludge treatment has become the difficult problem of puzzlement sewage treatment industry.
Summary of the invention
In order to solve the sludge treatment difficult problem that sewage treatment industry faces, the invention provides a kind of mud granulizing method, the mud granule that utilizes mud to produce to serve many purposes.And this method can directly be docked with sewage treatment process, like this, what sewage work imported is sewage, what export is the particulate material that serves many purposes and be convenient to store, mud becomes intermediate product, need not mud is carried out any manual work, not only improve operating environment greatly, and can improve the efficient of sewage disposal.
Mud granulizing method of the present invention comprises the steps:
(1) in slurry agitator, mud, unslaked lime and water are stirred;
(2) mixture that step (1) is formed passes through the further mix of worm conveyor;
(3) mixture that step (2) is formed is transported to tablets press and carries out granulation and handle.
In the aforementioned mud granulizing method, the described mud of step (1) can be the mud that does not pass through processed, also can be the dewatered sludge through forming after the processed.The main component calcium oxide generation chemical reaction of water in the mud and unslaked lime forms white lime, and unslaked lime plays dehydration to mud like this; The white lime that forms has corrodibility, can play certain germicidal action to mud, and in addition, white lime can improve the intensity of the mud granule of final formation as material of construction.In order to make unslaked lime and sludge reaction more abundant, can adopt calcium lime powder.
When implementation step (1), add an amount of cement, increase the intensity of the final mud granule that forms, make the mud granule of final formation can be used as the building packing material.
When implementation step (1), add an amount of flyash, described flyash can be the flyash that forms in the chimney, also can be that the cinder that other combustionmaterial burning backs form is pulverized the flyash that the back forms; Because flyash has lightweight characteristics, can make the mud granule of final formation have the performance of light weight.
When implementation step (2), add an amount of setting accelerator or water reducer, so that improve the setting rate of mud granule.
When implementation step (2), add an amount of carbon dust or wood chip, also can add carbon dust and wood chip simultaneously, because carbon dust and wood chip belong to combustible material, make the mud granule of final formation have combustibility, can be used as fuel and use.
When implementation step (2), can add an amount of jelling agent, increase the bond performance of mixture, improve granulation.
When implementation step (2), can also add an amount of water type of refusing additive, so that the final mud granule that forms has water repellency, make the heavy metal in the mud under oxygen-free environment, be able to passivation, also can prevent that heavy metal is with seepage.
The described tablets press of step (3) can be a thick stick formula tablets press, rolling rods type tablets press or extruding type tablets press.Described tablets press is by can counterrotating two axle thick sticks, rolling bar or squeezing device are formed, and described axle thick stick, corresponding position has been excavated many semispheres respectively on rolling bar or the squeezing device, semielliptical shape, triangular prism shaped, four prism type, rectangular parallelepiped, square, the pit of hexagon or other shapes, when the axle thick stick, when rolling bar or squeezing device rotation extruding, the mud that enters in the pit promptly forms sphere, elliposoidal, triangular prism shaped, four prism type, rectangular parallelepiped, square, the particulate state mud granule of hexagon or other shapes, and come off out from transferring automatically of tablets press; Also can be radially along two axle thick sticks, rolling bar or squeezing devices, at different sites difform pit is set, just can form difform mud granule simultaneously, for example the left-half at axle thick stick, rolling bar or squeezing device is provided with hemispheric pit, and triangular prism shaped pit is set at its right half part, can form spherical and triangular prism shaped mud granule simultaneously.
In the aforementioned mud granulizing method, between step (1) and step (2), filtration step can be arranged; Also filtration step can be arranged between step (2) and step (3), so that remove larger-size material in the material, avoid larger-size material to enter tablets press, described filtration step can adopt filtering net to finish.
In the aforementioned mud granulizing method, all steps are all carried out in enclosed appts, with avoid mud towards periphery environment distribute foul gas.
In order further to avoid distributing of foul gas, improve operating environment, in aforementioned mud granulizing method, adopt the apparatus for ultraviolet disinfection germicidal treatment that carries out disinfection at material input aperture and equipped at outlet port.
The invention provides a kind of mud granule that utilizes mud granulizing method of the present invention to produce, described mud granule contains mud, white lime and cement.
The invention provides a kind of mud granule that utilizes mud granulizing method of the present invention to produce, described mud granule contains mud, white lime, carbon dust or/and wood chip.
Mud granule of the present invention is directly produced by mud granulizing method of the present invention.According to the material that mud granulizing method of the present invention added, mud granule of the present invention can also contain other materials; The employed tablets press of mud granulizing method according to the present invention, mud granule of the present invention can be the particulate materials of sphere, elliposoidal, triangular prism shaped, four prism type, rectangular parallelepiped, square, hexagon and other shapes.
The present invention also provides the application of mud granule of the present invention as the building packing material, and described mud granule contains mud, white lime, cement.Described mud granule can also can mix described mud granule the back as the building packing material directly as the building packing material with foamed concrete.Foamed concrete, especially pulverous foamed concrete can be filled hole between the mud granule, and mud granule is consolidated, and improves the degree of compactness of stopping composition.
The mixture of mud granule of the present invention or mud granule and foamed concrete has certain intensity, and can regulate its intensity by the ratio of regulating between each material, has light weight, fills self-compacting ability certainly.Be used for roadbed or abutment embankment, can either make solid waste obtain recycling, solve roadbed or the abutment difficult problem that fetches earth that operation has that bankets, and need not mechanical compacting and can fill closely knitly, avoid road surface or bridge floor to subside.When road occurred subsiding or be damaged, the mixture that adopts mud granule of the present invention or mud granule and foamed concrete need not machinery and tamps, fast repairing road as the road material of speedily carrying out rescue work; Adopt the mixture of mud granule of the present invention or mud granule and foamed concrete to widen material, can make widened section meet the requirements of intensity, and can avoid the road both sides landslide phenomenon to occur as road.
The application that the present invention also provides mud granule of the present invention to act as a fuel, described mud granule contain mud, white lime, carbon dust or/and wood chip.Because mud itself has certain combustibility, carbon dust and wood chip all belong to combustible material, the mud granule that contains carbon dust or wood chip has good combustionproperty, and the mud granule that forms through prilling process of the present invention is solid form, does not have smell, be convenient to store and transportation, use can act as a fuel.
Form situation according to sludge of sewage treatment plants, can utilize mud granulizing method of the present invention continuously mud to be carried out granulation and handle, the mud granule of formation is solid and can not distributes foul gas, is convenient to store, and can supply in batches when needs.
Mud granulizing method of the present invention can dock with the direct of sewage treatment process, and processing step is simple, and required equipment is simple, can realize that automatization works continuously, and can avoid the manual work at mud.Not only solve the sludge treatment problem that sewage treatment industry faces, and can make mud obtain recycling, produce the mud granule that serves many purposes.
Description of drawings
Accompanying drawing is the process flow sheet of mud granulizing method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
Embodiment 1
As shown in drawings, utilize mud handling equipment 1 mud to be transported to the slurry agitator 2 continuously from sludge of sewage treatment plants outlet or mud storage pool, according to the transfer rate of mud, utilize lime adder 5, cement adder 6, water pump 7, flyash adder 8 in slurry agitator 2, to add calcium lime powder, cement, water and flyash continuously respectively; Under the effect of continuously stirring, the concurrent biochemical reaction of mud in the slurry agitator 2 and unslaked lime thorough mixing forms white lime, and mixes with unclassified stores; Mixture is transported in the worm conveyor 3 continuously, transmission speed according to mixture, the additive adder 9, setting accelerator adder 11, jelling agent adder 13 that utilization is positioned at worm conveyor 3 ingress adds an amount of the water type of refusing additive, setting accelerator and jelling agent, further mix in the rotation of worm conveyor 3 and under advancing; The mixture of further mix is transported in the thick stick formula tablets press 4 continuously; corresponding position excavation has many row's hemispherical dimples on the axle thick stick of described axle thick stick formula tablets press 4; form spherical mud granule under the rotation of tablets press 4 and squeezing action, described mud granule comes off from the below of tablets press.
Mud handling equipment 1 wherein can be sludge pump or travelling belt, and lime adder 5, cement adder 6, flyash adder 8 can be hopper or the feed bins that has metering valve.
After treating that aforementioned mud granule solidifies, promptly can be used for roadbed or abutment and fill, also can with foamed concrete powder uniform mixing, it is closely knit that the foamed concrete powder can make the hole between the mud granule fill, and it is consolidated, and forms stopping composition.This stopping composition can be used for roadbed or abutment is filled, and fills aforementioned stopping composition in having excavated the roadbed hole, need not mechanical compacting and can form firm roadbed.
Embodiment 2
As shown in drawings, utilize mud handling equipment 1 mud to be transported to the slurry agitator 2 continuously from sludge of sewage treatment plants outlet or mud storage pool, according to the transfer rate of mud, utilize lime adder 5, water pump 7, flyash adder 8 in slurry agitator 2, to add calcium lime powder, water and flyash continuously respectively; Under the effect of continuously stirring, the concurrent biochemical reaction of mud in the slurry agitator 2 and unslaked lime thorough mixing forms white lime, and mixes with unclassified stores; Mixture is filtered by filtering net 12, and be transported to continuously in the worm conveyor 3, transfer rate according to mixture, utilization is arranged on the carbon dust of worm conveyor 3 ingress or wood chip adder 10 adds an amount of carbon dust or wood chip, further mix in the rotation of worm conveyor 3 and under advancing; The mixture of further mix is filtered by filtering net 12; and be transported to continuously in the rolling rods type tablets press 4; the left side of the rolling bar of described rolling rods type tablets press 4 is provided with the hemispheric pit of many rows; the right side is provided with many row's half square pits; form spherical and square mud granule under the rotation of tablets press and squeezing action, described mud granule comes off from the below of tablets press.
Mud handling equipment 1 wherein can be sludge pump or travelling belt, and lime adder 5, flyash adder 8, carbon dust or wood chip adder 10 can be hopper or the feed bins that has metering valve.
For fear of mud towards periphery environment distribute foul gas, the institute all can in enclosed appts, carry out in steps.In order further to avoid material input aperture and delivery port emission gases to have foul odour, adopt 14 pairs of gases that distribute of apparatus for ultraviolet disinfection to carry out the sterilization and disinfection processing in material input aperture and delivery port.
The mud granule that comes off from the tablets press below solidifies also and has good combustionproperty behind the airing, is convenient to store and transportation, can be used as fuel and uses.
The present invention proposes the basic design and the principle of mud granulizing, under the situation of spirit of the present invention or principal character, mud granulizing method of the present invention can also be realized with other modes.Therefore; no matter from which point; above-mentioned embodiment of the present invention can only be thought can not limit the present invention to explanation of the present invention; claim has been pointed out technical scheme of the present invention and scope; therefore; in implication suitable and any modification in the scope, all will be understood that in the protection domain that is included in claim with the present invention.
Claims (15)
1. a mud granulizing method comprises the steps:
(1) in slurry agitator, mud, unslaked lime and water are stirred;
(2) mixture that step (1) is formed passes through the further mix of worm conveyor;
(3) mixture that step (2) is formed is transported to tablets press and carries out granulation and handle.
2. mud granulizing method according to claim 1 adds cement when it is characterized in that implementation step (1).
3. mud granulizing method according to claim 1 adds flyash when it is characterized in that implementation step (1).
4. mud granulizing method according to claim 1 adds carbon dust or/and wood chip when it is characterized in that implementation step (2).
5. according to claim 1,2,3 or 4 described mud granulizing methods, add when it is characterized in that implementation step (2) and refuse water type additive.
6. according to claim 1,2,3 or 4 described mud granulizing methods, add setting accelerator or water reducer when it is characterized in that implementation step (2).
7. according to claim 1,2,3 or 4 described mud granulizing methods, add jelling agent when it is characterized in that implementation step (2).
8. mud granulizing method according to claim 1 is characterized in that comprising filtration step between step (1) and the step (2) and between step (2) and the step (3).
9. mud granulizing method according to claim 1 is characterized in that the described tablets press of step (3) is axle thick stick formula, rolling rods type or extruding type tablets press.
10. mud granulizing method according to claim 1 is characterized in that carrying out in enclosed appts.
11. mud granulizing method according to claim 1 is characterized in that material input aperture and equipped at outlet port adopt apparatus for ultraviolet disinfection that the gas that gives out is carried out sterilization and disinfection.
12. a mud granule is characterized in that containing mud, white lime and cement.
13. a mud granule is characterized in that containing mud, white lime and carbon dust or/and wood chip.
14. mud granule is characterized in that as the application of building packing material described mud granule contains mud, white lime and cement.
15. the application that mud granule acts as a fuel is characterized in that described mud granule contains mud, white lime and carbon dust or/and wood chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100092591A CN101514072A (en) | 2009-02-26 | 2009-02-26 | Mud granulizing method, mud granule produced thereby and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100092591A CN101514072A (en) | 2009-02-26 | 2009-02-26 | Mud granulizing method, mud granule produced thereby and application thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805169A (en) * | 2010-04-22 | 2010-08-18 | 北京四方如钢混凝土制品有限公司 | Sludge treatment method and sintered sludge ceramsites produced by same |
| CN101830626A (en) * | 2010-04-22 | 2010-09-15 | 曾庆汛 | High-efficiency full-closed sludge treatment system and method thereof |
| CN101993181A (en) * | 2010-10-21 | 2011-03-30 | 江苏东源纺织科技实业有限公司 | Method for dehydration and recycling of continuous dyeing sludge |
| CN102432152A (en) * | 2011-10-28 | 2012-05-02 | 北京建筑材料科学研究总院有限公司 | Method for enhancing sludge dewatering by using carbide slag pretreatment |
| CN102730934A (en) * | 2012-07-20 | 2012-10-17 | 清华大学深圳研究生院 | Method for pretreating sludge before hot drying |
| CN103304115A (en) * | 2013-06-17 | 2013-09-18 | 昆明理工大学 | Harmless treatment method for transforming copper sludge to arenolite |
| CN104402193A (en) * | 2014-12-11 | 2015-03-11 | 北京建筑材料科学研究总院有限公司 | Sludge raw material drying method applied to cement kiln gasification furnace |
| CN104478192A (en) * | 2014-12-11 | 2015-04-01 | 北京建筑材料科学研究总院有限公司 | Sludge material drying method applied to cement kiln calciner |
| CN104496150A (en) * | 2014-12-11 | 2015-04-08 | 北京建筑材料科学研究总院有限公司 | Sludge raw material drying method used in cement kiln grate cooler |
| CN105132072A (en) * | 2015-08-25 | 2015-12-09 | 内蒙古天浩纸业有限公司 | Waste treatment equipment for paper mill and waste treatment process method for paper mill |
| CN105413550A (en) * | 2015-12-02 | 2016-03-23 | 马鞍山钢铁股份有限公司 | Sludge blending heating device |
| CN105502878A (en) * | 2015-12-16 | 2016-04-20 | 苏州捷宁模塑有限公司 | Filler for sludge modification deep treatment pond |
| CN107043170A (en) * | 2017-04-18 | 2017-08-15 | 中国矿业大学 | One kind traps CO in aerobic water treatment procedure2Method |
| CN107352890A (en) * | 2016-05-09 | 2017-11-17 | 北京师范大学 | A kind of low energy consumption waterworks sludge miniaturation method |
| CN116002949A (en) * | 2022-12-28 | 2023-04-25 | 浙江筑微科技有限公司 | Sludge treatment and resource production method for domestic sewage plant |
-
2009
- 2009-02-26 CN CNA2009100092591A patent/CN101514072A/en active Pending
Cited By (21)
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| CN101830626A (en) * | 2010-04-22 | 2010-09-15 | 曾庆汛 | High-efficiency full-closed sludge treatment system and method thereof |
| CN101830626B (en) * | 2010-04-22 | 2012-02-08 | 曾庆汛 | High-efficiency full-closed sludge treatment system and method thereof |
| CN101805169A (en) * | 2010-04-22 | 2010-08-18 | 北京四方如钢混凝土制品有限公司 | Sludge treatment method and sintered sludge ceramsites produced by same |
| CN101993181A (en) * | 2010-10-21 | 2011-03-30 | 江苏东源纺织科技实业有限公司 | Method for dehydration and recycling of continuous dyeing sludge |
| CN101993181B (en) * | 2010-10-21 | 2013-04-24 | 江苏东源纺织科技实业有限公司 | Method for dehydration and recycling of continuous dyeing sludge |
| CN102432152A (en) * | 2011-10-28 | 2012-05-02 | 北京建筑材料科学研究总院有限公司 | Method for enhancing sludge dewatering by using carbide slag pretreatment |
| CN102432152B (en) * | 2011-10-28 | 2013-07-31 | 北京建筑材料科学研究总院有限公司 | Method for pretreating and strengthening sludge dehydration by using acetylene sludge |
| CN102730934B (en) * | 2012-07-20 | 2015-04-01 | 清华大学深圳研究生院 | Method for pretreating sludge before hot drying |
| CN102730934A (en) * | 2012-07-20 | 2012-10-17 | 清华大学深圳研究生院 | Method for pretreating sludge before hot drying |
| CN103304115A (en) * | 2013-06-17 | 2013-09-18 | 昆明理工大学 | Harmless treatment method for transforming copper sludge to arenolite |
| CN103304115B (en) * | 2013-06-17 | 2014-08-06 | 昆明理工大学 | Harmless treatment method for transforming copper sludge to arenolite |
| CN104402193A (en) * | 2014-12-11 | 2015-03-11 | 北京建筑材料科学研究总院有限公司 | Sludge raw material drying method applied to cement kiln gasification furnace |
| CN104478192A (en) * | 2014-12-11 | 2015-04-01 | 北京建筑材料科学研究总院有限公司 | Sludge material drying method applied to cement kiln calciner |
| CN104496150A (en) * | 2014-12-11 | 2015-04-08 | 北京建筑材料科学研究总院有限公司 | Sludge raw material drying method used in cement kiln grate cooler |
| CN104402193B (en) * | 2014-12-11 | 2016-05-18 | 北京建筑材料科学研究总院有限公司 | Be applied to the mud raw material drying method of cement kiln gasification furnace |
| CN105132072A (en) * | 2015-08-25 | 2015-12-09 | 内蒙古天浩纸业有限公司 | Waste treatment equipment for paper mill and waste treatment process method for paper mill |
| CN105413550A (en) * | 2015-12-02 | 2016-03-23 | 马鞍山钢铁股份有限公司 | Sludge blending heating device |
| CN105502878A (en) * | 2015-12-16 | 2016-04-20 | 苏州捷宁模塑有限公司 | Filler for sludge modification deep treatment pond |
| CN107352890A (en) * | 2016-05-09 | 2017-11-17 | 北京师范大学 | A kind of low energy consumption waterworks sludge miniaturation method |
| CN107043170A (en) * | 2017-04-18 | 2017-08-15 | 中国矿业大学 | One kind traps CO in aerobic water treatment procedure2Method |
| CN116002949A (en) * | 2022-12-28 | 2023-04-25 | 浙江筑微科技有限公司 | Sludge treatment and resource production method for domestic sewage plant |
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Application publication date: 20090826 |