CN109662009A - A kind of set technique of sludge treatment disposition - Google Patents
A kind of set technique of sludge treatment disposition Download PDFInfo
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- CN109662009A CN109662009A CN201811570758.3A CN201811570758A CN109662009A CN 109662009 A CN109662009 A CN 109662009A CN 201811570758 A CN201811570758 A CN 201811570758A CN 109662009 A CN109662009 A CN 109662009A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/30—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds
- A01G24/35—Growth substrates; Culture media; Apparatus or methods therefor based on or containing synthetic organic compounds containing water-absorbing polymers
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/008—Sludge treatment by fixation or solidification
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Soil Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of set techniques of sludge treatment disposition, include the following steps: 1) environment-protective desilting: twisting suction by environmental protection and carry out dredging operation, silt slurry centralized processing；2) silt slurry pre-processes: using gravity precipitating and grid maker, removing the sundries in mud, the silt slurry after removal of impurities flows into conditioning tank and carries out natural subsidence；3) silt slurry depth improves: flocculant is added into pretreated mud by medicine system, through mechanical stirring, sufficiently reacts, completes the flocculation dewatering of silt slurry；Slurries after flocculation are pumped into pipeline blender, and add consolidating agent by medicine system continuous and quantitative；4) mud is modified: mud enters the mixed machine of double-shaft continuous after depth conditioning, and adds improved chemical by medicine system continuous and quantitative, and pH, the total nutrient content, aeration porosity of mud are adjusted with this；5) it conserves.Present invention process is simple, at low cost, can really realize mud deal carefully with and resource utilization, meet recycling economy development theory.
Description
Technical field
The invention belongs to environmental engineering technical fields, and in particular to a kind of set technique of sludge treatment disposition.
Background technique
In water environment improvement engineering project, dredging is often a key content in endogenous control.Currently, ring
It protects and twists suction and the advantages such as facilitate just to be widely used in dredging engineering with its high-precision, low disturbance, conveying, but twist silt dredging mud
Slurry moisture content is high, and usually more than 90% (butt is divided by gross weight), processing difficulty is big.At this stage, the processing of silt dredging mud is twisted
Mainly in such a way that chemical conditioning adds plate compression, mud mud cake is then usually dissolved in a manner of landfill, though the technique is handled
Mud moisture content is low afterwards, but the complex process, especially plate compression dewatering process, and treatment effeciency is lower, and after filters pressing
Mud cake often faces the predicament of landfill noly, therefore exploitation strand silt dredging mud efficient process and reuse of dredging technology will have depth
Remote meaning.
Mud is generally rich in the nutrients such as N, P, K and the necessary trace elements of Ca of plant, Mg, Cu, Zn, Fe etc., is raw
The good raw material of planting soil is produced, currently, it is also relatively conventional with the resource technology that mud prepares planting soil, such as " one kind is to become silted up
Clay standby soil conditioner and preparation method thereof " (CN201710091589.4) disclose a kind of dewatered mud add it is more
Come the method for preparing soil conditioner, which includes environment-protective desilting, removal of impurities, concentration, dehydration, one for kind nutriment and conditioner
Secondary mixing, rerolling and etc., it is relative complex, it is difficult to industrial application；" it is a kind of with sludge solidification preparation planting soil, its
Preparation method and applications " (CN201510667416.3) disclose a kind of mud using after curing molding as raw material, after being crushed
The method that organic fertilizer prepares planting soil is added.Generally speaking, it is complex to prepare planting soil technology for existing mud, and mud depth
Dehydration and be prepared as isolating completely two step of planting soil, mud is hardened after the leading filter-press dehydration of mud is bound to cause rear end
Technology difficulty increases；In addition, the mud planting soil of current art production, water holding capacity is limited, with the increasing of water discharging number after rain
Being largely lost for planting soil and nutrients will mostly be caused.
Summary of the invention
A kind of silt is provided it is an object of the invention to the deficiency for existing strand silt dredging slurry dewatering and resource utilization
The set technique of mud processing disposition.The set technique depth integration sludge dewatering and planting soil two links of preparation, simple process,
After to the conditioning of silt slurry depth, it is directly entered planting soil preparation link, saves conventional filter-press dehydration link, high-efficient cost
It is low.And planting soil prepared by the present invention be control water type, it can be achieved that high moisture absorption, height be retained and sustained release water, thus it is sustainable not
Break and supply moisture to root system of plant, avoids drought flood suddenly suddenly, greatly reduce artificial recharge, save the administration fee of plantation.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of set technique of sludge treatment disposition, includes the following steps:
(1) environment-protective desilting: suction is twisted by environmental protection and carries out dredging operation, silt slurry is by pipeline into disposition on the bank
Heart centralized processing；
(2) silt slurry pre-processes: using gravity precipitating and grid maker, removing the sundries in mud, the silt slurry after removal of impurities
It flows into conditioning tank and carries out natural subsidence；
(3) silt slurry depth improves: flocculant is added into pretreated mud by medicine system, stirs through machinery
It mixes, sufficiently reacts, complete the flocculation dewatering of silt slurry；Slurries after flocculation are pumped into pipeline blender, and are connected by medicine system
It is continuous quantitatively to add consolidating agent；
(4) mud is modified: mud enters the mixed machine of double-shaft continuous after depth conditioning, and passes through medicine system continuous and quantitative
Improved chemical is added, pH, the total nutrient content, aeration porosity of mud are adjusted with this；
(5) it conserves: first carrying out stewing material maintenance, then carry out turning over aeration maintenance using rotary cultivator, with further reinforcing tune
Matter improved chemical is reacted with mud, and optimizes its crumb structure, to obtain qualified plantation native produce.
In above scheme, step (1) the silt slurry moisture content is 90% or more, with butt divided by total weight.
In above scheme, rubble, soil block, polybag and floating material that the sundries in step (2) is partial size 5mm or more.
In above scheme, in step (2) after conditioning tank natural subsidence, the control of silt slurry concentration is 80%~90%.
In above scheme, flocculant is polyacrylamide (PAM), aluminium polychloride (PAC) or polyaluminum sulfate in step (3)
The mixing of one or more of aluminium (PAS).
In above scheme, the additional amount of the flocculant is the 0.25%~5% of underwater square mud quality.
In above scheme, consolidating agent is water-absorbing resin (SAP), ardealite, desulfurized gypsum, flyash or alkali in step (3)
The mixing of one or more of slag.
In above scheme, the water-absorbing resin includes water-absorbent starch resins, cellulose family water-absorbing resin or polyacrylic acid
Salt system water-absorbing resin.
In above scheme, the granularity control of the water-absorbing resin is 10~200 mesh.
In above scheme, the additional amount of consolidating agent is the 0.5%~7% of underwater square mud quality.
In above scheme, modifying agent includes structural adjustment agent and nutrition regulator in step (4), and structural adjustment agent is rice
The mixing of one or more of straw powder, peanut shell, sawdust, rice hulls, bentonite or zeolite powder, nutrition regulator are
The mixing of one or more of Chicken dung, rotted pig manure, decomposed grouts, plant ash, compound fertilizer, potash fertilizer or phosphate fertilizer.
In above scheme, the additional amount of structural adjustment agent is the 0.5%~10% of underwater square mud quality.
In above scheme, the additional amount of nutrition regulator is the 0.5%~6% of underwater square mud quality.
It is 1~2 day that material curing time is boiled in a covered pot over a slow fire in above scheme, described in step (5), and turning over curing time is 4~9 days.It supports
After the completion of shield, planting soil is loose porous, and crumb structure is excellent, and Specifications reach " at urban sewage treatment plant sludge
Set-afforestation shale " (GB/T 23486-2009) standard requirements.
Compared with prior art, the present invention has the beneficial effects that
(1) present invention introduces water-absorbing resins carries out depth conditioning, the hydroxyl contained using it, carboxylic to the silt slurry after flocculation
Ji Deng strongly hydrophilic group and its three-dimensional network-like structure strongly can largely adsorb the Interstitial Water in silt slurry, capillary water and lack
Scale face attached water, to significantly reduce the moisture content of silt slurry and improve its structure feature, moreover, in the mud of its absorption
This partial moisture can be slowly released in plantation to supply plant growth, realize the efficient utilization of water.
(2) it is planted with planting soil of the invention, planting soil layer thickness takes 300mm, for the sudden and violent of daily rainfall 100mm
Rain, the planting soil layer all can quickly absorb, formed many " miniature reservoir ", the rain stopping time again can slow release rainwater for
Plant growth.Generally speaking, the planting soil have control water remarkable advantage, it can be achieved that high moisture absorption, height be retained and sustained release water,
It is especially advantageous for the growth of plant.
(3) for the present invention is compared to traditional disposing technique of mud, maximum bright spot is to strengthen the depth of silt slurry
Degree conditioning link, and by conditioning and the fusion of recycling link height, the filter-press dehydration link of traditional highly energy-consuming is eliminated, there is work
Simple, with low investment, the at low cost feature of skill, can really realize High water cut mud deal carefully with and resource utilization, meet and follow
Ring economic development theory.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, in the following with reference to the drawings and specific embodiments
It elaborates to the present invention.
The test method of related data is described first.
(1) it pH: is measured according to method described in LY/T 1239-1999 " measurement of forest soil pH value " standard；
(2) organic matter: according to LY/T 1237-1999 " measurement of forest soil organic matter and the calculating of carbon-nitrogen ratio " standard
Described in method be measured；
(3) soil infiltration rate: according to method described in LY/T 1218-1999 " measurement of forest soil percolation rate " standard
It is measured；
(4) maximum water-holding capacity: according to institute in LY/T 1215-1999 " measurement of forest soil moisture regime-physical property " standard
The method of stating is measured；
(5) it germination index: is surveyed according to appendix C the method in CJ/T 340-2016 " planting technique soil " standard
It is fixed.
Then chemical composition and relevant nature raw materials used in following embodiments are described, see Table 1 for details.
1 mud performance test of table
Embodiment 1-9
Embodiment 1-9 carries out processing disposition to mud using following process:
(1) environment-protective desilting: suction is twisted by environmental protection and carries out dredging operation, silt slurry is by pipeline into disposition on the bank
Heart centralized processing；
(2) silt slurry pre-processes: using gravity precipitating and grid maker, removing big Stone, the clod, plastics in mud
The sundries such as bag, floating material, the silt slurry after removal of impurities flow into conditioning tank and carry out natural subsidence；
(3) silt slurry depth improves: flocculant is added into mud after pretreatment by medicine system, through mechanical stirring,
Sufficiently reaction, completes the flocculation dewatering of silt slurry；Flocculation rear slurry is pumped into pipeline blender, and is continuously added by medicine system
Consolidating agent completes the depth conditioning of mud.Admixture type, addition content and the mesh number of flocculant and consolidating agent are shown in Table 2；Mud conditioning
Relevant nature afterwards is shown in Table 3.
(4) mud is modified: mud enters the mixed machine of double-shaft continuous after depth conditioning, and passes through medicine system continuous and quantitative
Improved chemical is added, the admixture type and addition content of improved chemical are shown in Table 2.
(5) it conserves: first carrying out stewing material maintenance for 24 hours；Then it carries out turning over aeration maintenance using rotary cultivator, every 4h turns over one
It is secondary, it conserves 6 days.The relevant nature test result of mud planting soil finished product is shown in Table 4.
Each Example formulations of table 2 composition
Relevant nature after the conditioning of 3 mud depth of table
| Embodiment | pH | Moisture content | Slump (cm) | Heavy metal | Apparent property |
| 1 | 7.7 | 62.7% | 10.4 | Without exceeded | Slurry |
| 2 | 7.6 | 60.3% | 8.6 | Without exceeded | Paste body shape, no mobility |
| 3 | 7.9 | 65.4% | 12.0 | Without exceeded | Slurry |
| 4 | 8.0 | 66.8% | 12.4 | Without exceeded | Slurry |
| 5 | 7.5 | 64.2% | 9.7 | Without exceeded | Slurry |
| 6 | 7.8 | 70.5% | 15.6 | Without exceeded | Slurry |
| 7 | 7.8 | 59.4% | 8.9 | Without exceeded | Paste body shape, no mobility |
| 8 | 7.6 | 56.5% | 6.2 | Without exceeded | It is thick |
| 9 | 8.1 | 62.6% | 9.9 | Without exceeded | Paste body shape, no mobility |
Each embodiment of table 4 conserves 7 days mud planting soil relevant natures
By relevant nature test result after the conditioning of 4 mud depth of table it is found that in the identical situation of other conditions, three classes SAP
In, polyacrylate SAP is the most significant to the improvement of silt slurry moisture content, silt slurry by 92.7% high moisture content
56.5% can be reduced to, silt slurry is changed into thick, master the reason of polyacrylate SAP significant effect by extremely strong mobility
It is that it has preferable reticular structure and macromolecular chain flexible relatively, meanwhile, salt tolerance is relatively higher, product after water suction
Intensity it is relatively bigger.
In addition, for same SAP, it is found that with becoming larger for SAP mesh number, silt slurry is aqueous after conditioning
It taking the lead in increasing after reducing, when mesh number is smaller (10 mesh), SAP grain graininess is big, it is easy to be uniformly mixed with silt slurry at this time, but its
Surface area, i.e., it is small with the contact area of silt slurry, cause it limited to the moisture absorption in silt slurry, (140 when mesh number is larger
Mesh), SAP grain graininess is small, large specific surface area, but clustering phenomena easily occurs after being added to silt slurry, to cause soaking effect
It is deteriorated, therefore, when using SAP, preferably guarantee its granularity is suitable for.
7 days mud planting soil relevant nature test results are conserved it is found that effect is preferably implementation by each embodiment of table 4
Example 7,8,9, especially embodiment 8, this illustrates the superiority and inferiority of front end depth conditioning technique and the fine or not relationship of final planting soil quality
It is very close.
Mud planting soil appearance prepared by embodiment 8 shows rarefaction, and free from extraneous odour is also without obvious impurity；By table 4
It is found that the physical and chemical indexes such as its moisture content and pH reach standard " urban sewage treatment plant sludge disposition-afforestation shale "
The requirement of (GB/T 23486-2009), granularity also make moderate progress, and side light consolidating agent is to fine grain cementation；
Compared to former mud, aeration porosity and soil infiltration rate have clear improvement, and respectively reach 26.4% and 151mm/h, say
The planting soil of bright preparation has had loose pellet structure, and seed germination index then reaches 92%, illustrates that the mud is planted
Soil has preferable activity, is suitble to plant growth.
In addition, the maximum water-holding capacity of 8 mud planting soil of embodiment reaches 1725g/kg, compared to being mentioned for traditional planting soil
It rises obviously, this is primarily due to introduce the extremely strong polyacrylate SAP of water absorbing and retaining properties in formula.Its one side is absorbable
Moisture in mud, and this part water is subjected to slow release to supply plant growth, in addition, it can be realized to rain in plantation
Water quickly receive, formed many " miniature reservoir ", the rain stopping time again can slow release rainwater for plant growth.Total comes
It says, which has the remarkable advantage of control water, it can be achieved that high moisture absorption, height water conservation and sustained release water, are especially advantageous for plant
Growth.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (10)
1. a kind of set technique of sludge treatment disposition, which comprises the steps of:
(1) environment-protective desilting: suction is twisted by environmental protection and carries out dredging operation, silt slurry passes through pipeline to disposition center collection on the bank
Middle processing；
(2) silt slurry pre-processes: using gravity precipitating and grid maker, removing the sundries in mud, the silt slurry after removal of impurities flows into
Conditioning tank carries out natural subsidence；
(3) silt slurry depth improves: flocculant is added into pretreated mud by medicine system, through mechanical stirring, fills
Divide reaction, completes the flocculation dewatering of silt slurry；Slurries after flocculation are pumped into pipeline blender, and pass through medicine system continuous and quantitative
Add consolidating agent；
(4) mud is modified: mud enters the mixed machine of double-shaft continuous after depth conditioning, and is added by medicine system continuous and quantitative
Improved chemical adjusts pH, the total nutrient content, aeration porosity of mud with this；
(5) it conserves: first carrying out stewing material maintenance, then carry out turning over aeration maintenance using rotary cultivator.
2. the set technique of sludge treatment disposition as described in claim 1, which is characterized in that step (1) described silt slurry contains
Water rate is 90% or more.
3. the set technique of sludge treatment as described in claim 1 disposition, which is characterized in that in step (2) conditioning tank from
So after sedimentation, the control of silt slurry concentration is 80%~90%.
4. the set technique of sludge treatment disposition as described in claim 1, which is characterized in that flocculant is poly- in step (3)
The mixing of one or more of acrylamide, aluminium polychloride or polyaluminium sulfate.
5. the set technique of sludge treatment as claimed in claim 4 disposition, which is characterized in that the additional amount of the flocculant is
The 0.25%~5% of underwater side's mud quality.
6. the set technique of sludge treatment disposition as described in claim 1, which is characterized in that consolidating agent is to inhale in step (3)
The mixing of one or more of water-resin, ardealite, desulfurized gypsum, flyash or alkaline residue.
7. the set technique of sludge treatment disposition as claimed in claim 6, which is characterized in that the water-absorbing resin includes starch
Class water-absorbing resin, cellulose family water-absorbing resin or polyacrylate system water-absorbing resin.
8. the set technique of sludge treatment disposition as claimed in claim 6, which is characterized in that the granularity control of the water-absorbing resin
It is made as 10~200 mesh.
9. the set technique of sludge treatment disposition as described in claim 1, which is characterized in that modifying agent includes in step (4)
Structural adjustment agent and nutrition regulator, structural adjustment agent are rice straw powder, peanut shell, sawdust, rice hulls, bentonite or zeolite
The mixing of one or more of powder, nutrition regulator is Chicken dung, rotted pig manure, decomposed grouts, plant ash, compound
The mixing of one or more of fertilizer, potash fertilizer or phosphate fertilizer.
10. the set technique of sludge treatment disposition as described in claim 1, which is characterized in that boil in a covered pot over a slow fire material described in step (5) and support
Protecting the time is 1~2 day, and turning over curing time is 4~9 days.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255857A (en) * | 2019-05-28 | 2019-09-20 | 路德环境科技股份有限公司 | Low alkali conditioner and dewatering for construction slurry deep dehydration |
| CN110249963A (en) * | 2019-07-24 | 2019-09-20 | 天津海林农业科技发展有限公司 | A kind of planting matrix and preparation method instead of soil |
| CN111362560A (en) * | 2020-03-24 | 2020-07-03 | 西华大学 | Hydraulic engineering dredging system and ecological sludge treatment method |
| CN112142293A (en) * | 2020-09-24 | 2020-12-29 | 中国电建集团华东勘测设计研究院有限公司 | Conditioning type sludge dewatering agent and method for manufacturing planting soil by using eutrophic water body dredging mud |
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
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| JPH06320190A (en) * | 1993-05-11 | 1994-11-22 | Ebara Infilco Co Ltd | Method and device for treating sewage water |
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| CN110255857A (en) * | 2019-05-28 | 2019-09-20 | 路德环境科技股份有限公司 | Low alkali conditioner and dewatering for construction slurry deep dehydration |
| CN110255857B (en) * | 2019-05-28 | 2021-12-14 | 路德环境科技股份有限公司 | Low-alkali conditioner for deep dehydration of building slurry and dehydration method |
| CN110249963A (en) * | 2019-07-24 | 2019-09-20 | 天津海林农业科技发展有限公司 | A kind of planting matrix and preparation method instead of soil |
| CN111362560A (en) * | 2020-03-24 | 2020-07-03 | 西华大学 | Hydraulic engineering dredging system and ecological sludge treatment method |
| CN112142293A (en) * | 2020-09-24 | 2020-12-29 | 中国电建集团华东勘测设计研究院有限公司 | Conditioning type sludge dewatering agent and method for manufacturing planting soil by using eutrophic water body dredging mud |
| CN114315097A (en) * | 2021-11-23 | 2022-04-12 | 河海大学 | Method for adjusting sludge performance by using fertilizer |
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Application publication date: 20190423 |