CN106517703A - Heavy metal pollution sludge treatment system and application - Google Patents
Heavy metal pollution sludge treatment system and application Download PDFInfo
- Publication number
- CN106517703A CN106517703A CN201610952253.8A CN201610952253A CN106517703A CN 106517703 A CN106517703 A CN 106517703A CN 201610952253 A CN201610952253 A CN 201610952253A CN 106517703 A CN106517703 A CN 106517703A
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- Prior art keywords
- heavy metal
- sludge
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- mud
- pump
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a heavy metal pollution sludge treatment system and application. The heavy metal pollution sludge treatment system comprises a heavy metal fixing zone, an inorganic heavy metal material fixing, conveying and stirring zone, a sludge standing and layering zone and a resource classifying zone which are sequentially connected, wherein the heavy metal fixing zone comprises a water pump and a first sludge pump; the inorganic heavy metal material fixing, conveying and stirring zone sequentially comprises a feeder, a first conveyor belt, an end stirring device and a second conveyor belt; the sludge standing and layering zone comprises a water draining pump, a second sludge pump and at least two standing ponds; the resource classifying zone comprises a greening soil collecting frame and a backfill soil collecting frame. When the heavy metal pollution sludge treatment system is utilized for treating sludge, water in the heavy metal fixing zone is drained at first, an organic heavy metal fixing agent is added, the sludge is pumped to the first conveyor belt through the first sludge pump after being stirred, an inorganic heavy metal fixing agent is then added, the sludge is pumped to the standing pools for standing after being stirred, and finally, graduated storage is carried out. The heavy metal pollution sludge treatment system disclosed by the invention has the advantages that the structure is simple, the treatment process is convenient, and secondary pollution to environment cannot be generated.
Description
Technical field
The present invention relates to heavy metal polluted sludge recycling treatment disposal technology field, more particularly to a kind of heavy metal pollution
The processing system of mud and application.
Background technology
In the riverway sludge in industry prosperity area, heavy metal contaminants are often exceeded, are considered as first reducing dirty when processing
Secondly dye level considers the selection of sludge treatment technology, while also must be considered that the purposes after process under relevant criterion.
What the mud exceeded for heavy metal pollution was conventional at present has physical treatment and biological treatment.The result of wherein peripheral doses is dirty
The value of mud is low, processes not thoroughly, can neither effect a permanent cure, can not take stopgap measures, and the key issue for existing is that pollutant is still deposited
It is that, in the middle of deposit, this is likely to result in the pollution of the deposit of new covering.Biological prosthetic long processing period, treating capacity compared with
The costly a large amount of dredging silts for river of little, funds only have the effect of a drop in the ocean.Therefore the silt after dredging work
Using chemical curing processes process more than mud.
Solidification method is to add curing agent to produce flocculation sediment effect, makes heavy metal in deposit from labile state to stable
State changes, then can reduce the bio-toxicity of Heavy Metal In Sediments, makes pollutant stable in bed mud.But the change of mud at present
Mud shifting processing cost of transportation is there is in chemosetting engineering high.Curing process needs very big site area, and hardening time is long,
Each process procedure labour demand is big, and cost is high.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of heavy metal polluted sludge processing system and should
With.The system application is convenient, builds conveniently, and smooth quick, the mud Deal with Time of sludge treatment process is simple is short, while the process
System mechanization degree is higher, saves substantial amounts of manpower, with very high economic benefit.
To solve prior art problem, the technical scheme that the present invention takes is：
A kind of heavy metal polluted sludge processing system, fixes including the heavy metal fixed area, inorganic heavy metal material being sequentially connected
Transmission stirring area, mud stratification area and resource classification area, the heavy metal fixed area include the suction pump for leading to river course and
First sludge pump, the inorganic heavy metal material fixes transmission stirring area includes batch charger, the first conveyer belt, agitating device and the
Two conveyer belts, agitating device are located between the first conveyer belt and the second conveyer belt, and batch charger is arranged at the first conveyer belt, described
Mud stratification area includes at least two standing ponds, draining pump, the second sludge pump, the resource being provided with the standing pond
Classification area includes that afforesting soil collects frame and backfill collection frame.
It is preferably as processing system, the heavy metal fixed area, inorganic heavy metal material are fixed transmission stirring area, become silted up
Mud stratification area and resource classification area are detachable.
It is preferably as processing system, the agitating device is mixer or trucd mixer.
It is preferably as processing system, the standing pond in the mud stratification area is two, two standings during work
Pond alternately stands draining, and time of repose is 6-8 hours.
It is preferably as processing system, two for damming is also set up in the heavy metal fixed area and is built a dam.
Application of the above-mentioned heavy metal sludge treatment system in sludge treatment, comprises the following steps：
The first step, river course is dammed using being built a dam, and forms heavy metal fixed area, carries out draining by suction pump；
Second step, open suction pump, row discharge water to mud water content for 75-80% when, add organic heavy metal fixative, stirring
Coagulation mud is obtained after uniform, then the first biography that inorganic heavy metal material fixes transmission stirring area is pumped into by the first sludge pump
Send and take；
3rd step, opens the batch charger that inorganic heavy metal material fixes transmission stirring area, the inorganic heavy metal on conveyer belt upslide
Coagulation mud and inorganic heavy metal fixative are delivered to end agitating device by fixative, the first conveyer belt, are stirred
Two stage treatment mud is obtained afterwards, then the second conveyer belt is sent to standing pond；
4th step, after standing, begin to rehearse water pump, and the moisture for discharging purification mud obtains tertiary treatment mud, is then turned on the second sludge pump
According to density size, to tertiary treatment sludge treatment, to afforesting, soil collects frame and backfill is collected frame deposit and completed at resource
Reason.
Further improved to be, the mixing speed in second step is 20-25rpm.
Further improved to be, the mixing speed in the 3rd step is 10-20rpm.
Beneficial effect
A heavy metal species sludge treatment system of the invention and its application, dredging silt is disposed with sludge treatment, flow process is synchronized
Change, system architecture is simple, be easy to build and the processing region in system can be removed immediately, and project occupation of land area is little, can be because of ground system
Unit is constructed preferably, smooth quick, the mud Deal with Time of sludge treatment process is simple is short, while the processing system mechanization journey
Degree is higher, saves substantial amounts of manpower, with very high economic benefit.
In addition, the present invention is on the basis of realizing that target is disposed in heavy metal polluted sludge harmless treatment, while according to green
Change reuse of dredging after soil and backfill standard will be purified to utilize, reach the dual ring that solid waste is removed and resource is recycled again
Protect target.
Description of the drawings
Fig. 1 is 1 heavy metal polluted sludge processing system of the embodiment of the present invention, wherein 1 is heavy metal fixed area, 2 is electrodeless
Heavy metal material fixes transmission stirring area, and 3 is that mud stands resource classification area, and 4 is resource hierarchy area, and 5 is suction pump, and 6 is the
One sludge pump, 7 is batch charger, and 8 is the first conveyer belt, and 9 is agitating device, and 10 is the second conveyer belt, and 11 is draining pump, and 12 is the
Two sludge pumps, 13 collect frame for greening soil to stand pond, 14, and 15 is that backfill collects frame.
Specific embodiment
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment 1
A kind of heavy metal polluted sludge processing system, fixes including the heavy metal fixed area 1, inorganic heavy metal material being sequentially connected
Transmission stirring area 2, mud stratification area 3 and resource classification area 4, the heavy metal fixed area 1 include leading to drawing water for river course
Pump 5 and the first sludge pump 6, the inorganic heavy metal material fixes transmission stirring area 2 to be included batch charger 7, the first conveyer belt 8, stirs
Device 9 and the second conveyer belt 10 are mixed, agitating device 9 is located between the first conveyer belt 8 and the second conveyer belt 10, and batch charger 7 is arranged
At the first conveyer belt 8, the mud stratification area 3 includes two standing ponds 13, arranges draining pump on the standing pond 13
11 and second sludge pump 12, the resource classification area 4 includes afforesting that soil collects frame 14 and backfill collects frame 15.Wherein, it is described
Heavy metal fixed area 1, inorganic heavy metal material are fixed transmission stirring area 2, mud stratification area 3 and resource classification area 4 and are
Removably.The agitating device 9 is mixer or trucd mixer.
Embodiment 2
Application of the system of embodiment 1 in sludge treatment, comprises the following steps:
The first step, river course is dammed using being built a dam, and forms heavy metal fixed area 1, carries out draining by suction pump 5；
Second step, open suction pump 5, row discharge water to mud water content for 75-80% when, add organic heavy metal fixative, with
The speed of 25rpm obtains coagulation mud after stirring, then pumps into inorganic heavy metal material fixation biography by the first sludge pump 6
Send on the first conveyer belt 8 of stirring area 2；
3rd step, opens the batch charger 7 that inorganic heavy metal material fixes transmission stirring area 2, after the mixing speed stirring of 15rpm
The inorganic heavy metal fixative on conveyer belt upslide, the first conveyer belt 8 will be coagulation mud and inorganic heavy metal fixative defeated
End agitating device 9 is delivered to, two stage treatment mud after stirring, is obtained, then the second conveyer belt 10 is sent to standing pond 13；
4th step, after standing, begin to rehearse water pump 11, and the moisture for discharging purification mud obtains tertiary treatment mud, is then turned on the second mud
According to density size, to tertiary treatment sludge treatment, to afforesting, soil collects frame 14 to pump 12 and backfill collection frame 15 is laid in and completed
Recycling treatment.
Experimental result is as shown in the table.
Physicochemical property before and after sludge treatment is as shown in table 1, table 2.
As seen from the above table, close three indexs of sulfide in organic matter moisture content to show, the mud properties after process are better than original
First indices, show in leaching ability of heavy metal rate result, the present invention for heavy metal have superior treatment effeciency compared to
Processing method in CN105271630A, the total zinc total mercury treatment effeciency of the total lead of total copper are above documents.
In sum, handling process of the invention has good estimation effect for the heavy metal in bed mud, can be well
Improve the engineering properties of mud.
The above, only presently preferred embodiments of the present invention not makees any pro forma restriction to the present invention；It is all
Those skilled in the art, it should be appreciated that the principle of the simply explanation invention described in above-described embodiment and specification, is not taking off
On the premise of the technology of the present invention spirit and scope, the present invention also have a little change, modification with develop equivalent variations, it is all according to
According to the present invention substantial technological is to the change of any equivalent variations made for any of the above embodiments, modification and develops etc., all should include
Within the scope of the present invention.
Claims (8)
1. a kind of heavy metal polluted sludge processing system, it is characterised in that including the heavy metal fixed area being sequentially connected（1）, nothing
Machine heavy metal material fixes transmission stirring area（2）, mud stratification area（3）With resource classification area（4）, the heavy metal fixes
Area（1）Including the suction pump for leading to river course（5）With the first sludge pump（6）, the inorganic heavy metal material fixation transmission stirring area
（2）Including batch charger（7）, the first conveyer belt（8）, agitating device（9）With the second conveyer belt（10）, agitating device（9）Positioned at
One conveyer belt（8）With the second conveyer belt（10）Between, batch charger（7）It is arranged on the first conveyer belt（8）Place, the mud stand and divide
Floor area（3）Pond is stood including at least two（13）, the standing pond（13）On be provided with draining pump（11）With the second sludge pump
（12）, the resource classification area（4）Frame is collected including greening soil（14）Frame is collected with backfill（15）.
2. heavy metal polluted sludge processing system according to claim 1, it is characterised in that the heavy metal fixed area
（1）, inorganic heavy metal material fix transmission stirring area（2）, mud stratification area（3）With resource classification area（4）It is detachable.
3. heavy metal polluted sludge processing system according to claim 1, it is characterised in that the agitating device（9）For
Mixer or trucd mixer.
4. heavy metal polluted sludge processing system according to claim 1, it is characterised in that the mud stratification area
（3）Standing pond（13）For two, during work, two stand pond alternately standing draining, and time of repose is 6-8 hours.
5. heavy metal polluted sludge processing system according to claim 1, it is characterised in that the heavy metal fixed area
（1）Inside also set up two for damming to build a dam.
6. the application based on the heavy metal species sludge treatment system described in claim 1 in sludge treatment, it is characterised in that
Comprise the following steps：
The first step, river course is dammed using being built a dam, and forms heavy metal fixed area, by suction pump（5）Carry out draining；
Second step, opens suction pump（5）, row discharge water to mud water content for 75-80% when, add organic heavy metal fixative, stir
Coagulation mud is obtained after mixing uniformly, then by the first sludge pump（6）Pump into inorganic heavy metal material and fix transmission stirring area（2）
The first conveyer belt（8）On；
3rd step, opens inorganic heavy metal material and fixes transmission stirring area（2）Batch charger（7）, it is inorganic on conveyer belt upslide
Heavy metal fixative, the first conveyer belt（8）Coagulation mud and inorganic heavy metal fixative are delivered to into end agitating device
（9）, after stirring, obtain two stage treatment mud, then the second conveyer belt（10）It is sent to standing pond（13）；
4th step, after standing, begin to rehearse water pump（11）, discharge purification mud moisture obtain tertiary treatment mud, be then turned on the second silt
Dredge pump（12）Frame is collected to soil is afforested to tertiary treatment sludge treatment according to density size（14）Frame is collected with backfill（15）Storage
It is standby to complete recycling treatment.
7. heavy metal species sludge treatment systematic difference according to claim 6, it is characterised in that：Stirring in second step
Speed is mixed for 20-25rpm.
8. heavy metal species sludge treatment systematic difference according to claim 6, it is characterised in that：Stirring in the 3rd step
Speed is mixed for 10-20rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952253.8A CN106517703A (en) | 2016-10-27 | 2016-10-27 | Heavy metal pollution sludge treatment system and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610952253.8A CN106517703A (en) | 2016-10-27 | 2016-10-27 | Heavy metal pollution sludge treatment system and application |
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| Publication Number | Publication Date |
|---|---|
| CN106517703A true CN106517703A (en) | 2017-03-22 |
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ID=58325300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610952253.8A Pending CN106517703A (en) | 2016-10-27 | 2016-10-27 | Heavy metal pollution sludge treatment system and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915879A (en) * | 2017-04-06 | 2017-07-04 | 中国二十冶集团有限公司 | Silt harmless processing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693590A (en) * | 2009-10-12 | 2010-04-14 | 天津生态城环保有限公司 | Heavy metal polluted sludge treatment method |
| CN104058568A (en) * | 2014-07-01 | 2014-09-24 | 彭宏方 | Method for treating mud silt |
| CN104059673A (en) * | 2014-06-25 | 2014-09-24 | 湖南新九方科技有限公司 | Combined stable mineralization restoration agent for treating heavy-metal polluted soil and application method thereof |
| CN105731743A (en) * | 2016-03-07 | 2016-07-06 | 武汉市政工程设计研究院有限责任公司 | Comprehensive treatment system for urban lake pollution sludge |
-
2016
- 2016-10-27 CN CN201610952253.8A patent/CN106517703A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693590A (en) * | 2009-10-12 | 2010-04-14 | 天津生态城环保有限公司 | Heavy metal polluted sludge treatment method |
| CN104059673A (en) * | 2014-06-25 | 2014-09-24 | 湖南新九方科技有限公司 | Combined stable mineralization restoration agent for treating heavy-metal polluted soil and application method thereof |
| CN104058568A (en) * | 2014-07-01 | 2014-09-24 | 彭宏方 | Method for treating mud silt |
| CN105731743A (en) * | 2016-03-07 | 2016-07-06 | 武汉市政工程设计研究院有限责任公司 | Comprehensive treatment system for urban lake pollution sludge |
Non-Patent Citations (1)
| Title |
|---|
| 陕西省水利水土保持厅编著: "《水库排沙清淤技术》", 31 December 1989, 水利电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915879A (en) * | 2017-04-06 | 2017-07-04 | 中国二十冶集团有限公司 | Silt harmless processing method |
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Application publication date: 20170322 |