CN105801056A - Efficient curing agent for treating sewer sludge and preparation method of efficient curing agent - Google Patents
Efficient curing agent for treating sewer sludge and preparation method of efficient curing agent Download PDFInfo
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- CN105801056A CN105801056A CN201610226159.4A CN201610226159A CN105801056A CN 105801056 A CN105801056 A CN 105801056A CN 201610226159 A CN201610226159 A CN 201610226159A CN 105801056 A CN105801056 A CN 105801056A
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- parts
- powder
- curing agent
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- activated carbon
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Classifications
-
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0418—Wet materials, e.g. slurries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses an efficient curing agent for treating sewer sludge and a preparation method of the efficient curing agent. The efficient curing agent is prepared from quicklime, diatomaceous earth, sulfonic acid, fly ash, plant ash, Portland cement, sodium metaaluminate, potassium permanganate, carbide slag, activated carbon powder, silica sol, polyvinyl alcohol and urea. According to the preparation method, the raw materials are ground into powder respectively; the quicklime, the diatomaceous earth, the fly ash, the plant ash, sodium metaaluminate and carbide slag are mixed, water is added, and the mixture is heated, stirred, cooled, dried and ground into powder; the powder is dissolved in water, sulfonic acid, the activated carbon powder, the silica sol, polyvinyl alcohol and urea are added and stirred rapidly, the mixture is dried and ground into powder, the powder is mixed with Portland cement powder and potassium permanganate powder sufficiently and uniformly, and the curing agent is prepared. The curing agent has the advantages of high infiltration capacity, high speed, a little agent dosage and the like, the curing effect is good, and later strength cannot be reduced; sludge odor can be removed, and heavy metal released into the environment is reduced.
Description
Technical field
The present invention relates to field of sludge treatment, specifically a kind of high-efficiency curing agent processing sewage sludge and preparation method thereof.
Background technology
Sewage sludge complicated component, containing a large amount of microorganisms, pathogen, heavy metal and organic pollution etc..Along with the fast development of the development of global economy and city, in city, the work of the dredging operation in sewer is more and more.Due to reasons such as these mud or sludge granules is little, not easily dehydration, low bearing capacity, content of organics are high, heavy metal ion content is high, mobility is big, it is impossible to the engineering being directly used as in reclamation, dyke building, road engineering is banketed.Mud is carried out, by solidification technology, a series of difficult problems that the utilization of resources becomes earth working material or the preprocessing means as landfill stabilization can solve the problem that in Treatment of Sludge.Exploitation highly effective sludge firming agent is the key of this processing procedure.
Domestic and international Normal practice is to add the inserts such as substantial amounts of sand in Sludge landfill process, but do so not only makes Sludge landfill cost be greatly increased, and also reduces the effective rate of utilization of landfill yard simultaneously.For the cured of mud, mud, current commonly used cement, Calx etc. are as firming agent.It is slow that ordinary cement, Calx condense hardening, and they will appear from the forward part sedimentation not condensed in high water-solid ratio situation, and mud organic substance content is high, can hinder the hydration reaction of cement, and solidification effect is poor, even cannot be carried out.
Summary of the invention
It is an object of the invention to provide a kind of high-efficiency curing agent processing sewage sludge and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of high-efficiency curing agent processing sewage sludge, is prepared from by the raw material of following weight portion: quick lime 25～27 parts, 36～40 parts of kieselguhr, sulfonic acid 12～16 parts, 24～28 parts of flyash, plant ash 21～25 parts, portland cement 60～80 parts, sodium metaaluminate 13～15 parts, 11～13 parts of potassium permanganate, carbide slag 9～11 parts, activated carbon powder 24～30 parts, silicon dioxide gel 32～36 parts, polyvinyl alcohol 7～9 parts, 21～23 parts of carbamide.
A kind of preparation method of the described high-efficiency curing agent processing sewage sludge, concrete preparation process is as follows:
(1) taking above-mentioned each raw material by proportioning, grind into powder, standby respectively；
(2) at ambient temperature, quick lime in above-mentioned each raw material, kieselguhr, flyash, plant ash, sodium metaaluminate, carbide slag are mixed, add the water of compound 2～3 times, and heating maintains the temperature at 95～105 DEG C, stirring 3～4h, it is cooled to room temperature, dry 6～8h, grind into powder at 50～60 DEG C；
(3) by soluble in water for the powder that obtains in step (2), add sulfonic acid, activated carbon powder, silicon dioxide gel, polyvinyl alcohol and carbamide, quickly stir 12～16h, dry 5～7h, grind into powder at 60～64 DEG C；
(4) abrasive flour obtained in step (3) and portland cement powder, potassium permanganate powder are sufficiently mixed uniformly,.
Compared with prior art, the invention has the beneficial effects as follows: firming agent of the present invention has the advantage that penetration is strong, speed is fast, dosing is few, and solidification effect is good, ensure that later strength will not reduce simultaneously；Mud stink can be removed；Reduce heavy metal to the release in environment.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
Process the high-efficiency curing agent of sewage sludge, the raw material of following weight portion be prepared from: quick lime 25 parts, 40 parts of kieselguhr, sulfonic acid 12 parts, 28 parts of flyash, plant ash 21 parts, portland cement 80 parts, sodium metaaluminate 13 parts, 13 parts of potassium permanganate, carbide slag 9 parts, activated carbon powder 30 parts, silicon dioxide gel 32 parts, polyvinyl alcohol 9 parts, 21 parts of carbamide.
The preparation preparation process of above-mentioned high-efficiency curing agent is as follows:
(1) taking above-mentioned each raw material by proportioning, grind into powder, standby respectively；
(2) at ambient temperature, the quick lime in above-mentioned each raw material, kieselguhr, flyash, plant ash, sodium metaaluminate, carbide slag are mixed, add the water of compound 2 times, and heating maintains the temperature at 95 DEG C, stir 4h, be cooled to room temperature, dry 8h, grind into powder at 50 DEG C；
(3) by soluble in water for the powder that obtains in step (2), add sulfonic acid, activated carbon powder, silicon dioxide gel, polyvinyl alcohol and carbamide, quickly stir 12h, dry 7h, grind into powder at 60 DEG C；
(4) abrasive flour obtained in step (3) and portland cement powder, potassium permanganate powder are sufficiently mixed uniformly,.
Mud is dug out from sewer, removes block therein and Plastic foreign material.The moisture content measuring mud is 50.5%.Being put into by 500g mud in agitator, add 30g firming agent, mechanical agitation so that it is Homogeneous phase mixing, after stirring 2min, mud is hardening gradually, stops stirring.After pelletize 2 days, its moisture content is reduced to 19.2%, and testting its intensity with an axle compression test is 546KN/m2, and mud odorless after solidifying, it is possible to meet landfill and building is banketed requirement, it is also possible to utilize grinding tool to make variously-shaped brick for building.
Embodiment 2
Process the high-efficiency curing agent of sewage sludge, the raw material of following weight portion be prepared from: quick lime 26 parts, 38 parts of kieselguhr, sulfonic acid 14 parts, 26 parts of flyash, plant ash 23 parts, portland cement 70 parts, sodium metaaluminate 14 parts, 12 parts of potassium permanganate, carbide slag 10 parts, activated carbon powder 27 parts, silicon dioxide gel 34 parts, polyvinyl alcohol 8 parts, 22 parts of carbamide.
The preparation preparation process of above-mentioned high-efficiency curing agent is as follows:
(1) taking above-mentioned each raw material by proportioning, grind into powder, standby respectively；
(2) at ambient temperature, the quick lime in above-mentioned each raw material, kieselguhr, flyash, plant ash, sodium metaaluminate, carbide slag are mixed, add the water of compound 2.5 times, and heating maintains the temperature at 100 DEG C, stir 3.5h, be cooled to room temperature, dry 7h, grind into powder at 55 DEG C；
(3) by soluble in water for the powder that obtains in step (2), add sulfonic acid, activated carbon powder, silicon dioxide gel, polyvinyl alcohol and carbamide, quickly stir 14h, dry 6h, grind into powder at 62 DEG C；
(4) abrasive flour obtained in step (3) and portland cement powder, potassium permanganate powder are sufficiently mixed uniformly,.
Mud is dug out from sewer, removes block therein and Plastic foreign material.The moisture content measuring mud is 51.4%.Being put into by 500g mud in agitator, add 30g firming agent, mechanical agitation so that it is Homogeneous phase mixing, after stirring 2min, mud is hardening gradually, stops stirring.After pelletize 2 days, its moisture content is reduced to 18.5%, and testting its intensity with an axle compression test is 598KN/m2, and mud odorless after solidifying, it is possible to meet landfill and building is banketed requirement, it is also possible to utilize grinding tool to make variously-shaped brick for building.
Embodiment 3
Process the high-efficiency curing agent of sewage sludge, the raw material of following weight portion be prepared from: quick lime 27 parts, 36 parts of kieselguhr, sulfonic acid 16 parts, 24 parts of flyash, plant ash 25 parts, portland cement 60 parts, sodium metaaluminate 15 parts, 11 parts of potassium permanganate, carbide slag 11 parts, activated carbon powder 24 parts, silicon dioxide gel 36 parts, polyvinyl alcohol 7 parts, 23 parts of carbamide.
The preparation preparation process of above-mentioned high-efficiency curing agent is as follows:
(1) taking above-mentioned each raw material by proportioning, grind into powder, standby respectively；
(2) at ambient temperature, the quick lime in above-mentioned each raw material, kieselguhr, flyash, plant ash, sodium metaaluminate, carbide slag are mixed, add the water of compound 3 times, and heating maintains the temperature at 105 DEG C, stir 3h, be cooled to room temperature, dry 6h, grind into powder at 60 DEG C；
(3) by soluble in water for the powder that obtains in step (2), add sulfonic acid, activated carbon powder, silicon dioxide gel, polyvinyl alcohol and carbamide, quickly stir 16h, dry 5h, grind into powder at 64 DEG C；
(4) abrasive flour obtained in step (3) and portland cement powder, potassium permanganate powder are sufficiently mixed uniformly,.
Mud is dug out from sewer, removes block therein and Plastic foreign material.The moisture content measuring mud is 52.5%.Being put into by 500g mud in agitator, add 30g firming agent, mechanical agitation so that it is Homogeneous phase mixing, after stirring 2min, mud is hardening gradually, stops stirring.After pelletize 2 days, its moisture content is reduced to 18.8%, and testting its intensity with an axle compression test is 576KN/m2, and mud odorless after solidifying, it is possible to meet landfill and building is banketed requirement, it is also possible to utilize grinding tool to make variously-shaped brick for building.
Solidification sludge after pulverizing contains the trace element such as the nutrient such as abundant Organic substance and nitrogen, phosphorus, potassium and calcium, magnesium, copper, ferrum, zinc, change Soil structure can be played, increase soil fertility, promote the effect of plant growing, can be used as the fertilizer of Garden Greenland, it is achieved the recycling of mud.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when without departing substantially from the spirit of the present invention or basic feature, it is possible to realize the present invention in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the invention rather than described above limits, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in the present invention.
Claims (2)
1. the high-efficiency curing agent processing sewage sludge, it is characterised in that be prepared from by the raw material of following weight portion: quick lime 25～27 parts, 36～40 parts of kieselguhr, sulfonic acid 12～16 parts, 24～28 parts of flyash, plant ash 21～25 parts, portland cement 60～80 parts, sodium metaaluminate 13～15 parts, 11～13 parts of potassium permanganate, carbide slag 9～11 parts, activated carbon powder 24～30 parts, silicon dioxide gel 32～36 parts, polyvinyl alcohol 7～9 parts, 21～23 parts of carbamide.
2. the preparation method of the high-efficiency curing agent of a process sewage sludge as claimed in claim 1, it is characterised in that concrete preparation process is as follows:
(1) taking above-mentioned each raw material by proportioning, grind into powder, standby respectively；
(2) at ambient temperature, quick lime in above-mentioned each raw material, kieselguhr, flyash, plant ash, sodium metaaluminate, carbide slag are mixed, add the water of compound 2～3 times, and heating maintains the temperature at 95～105 DEG C, stirring 3～4h, it is cooled to room temperature, dry 6～8h, grind into powder at 50～60 DEG C；
(3) by soluble in water for the powder that obtains in step (2), add sulfonic acid, activated carbon powder, silicon dioxide gel, polyvinyl alcohol and carbamide, quickly stir 12～16h, dry 5～7h, grind into powder at 60～64 DEG C；
(4) abrasive flour obtained in step (3) and portland cement powder, potassium permanganate powder are sufficiently mixed uniformly,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226159.4A CN105801056A (en) | 2016-04-13 | 2016-04-13 | Efficient curing agent for treating sewer sludge and preparation method of efficient curing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226159.4A CN105801056A (en) | 2016-04-13 | 2016-04-13 | Efficient curing agent for treating sewer sludge and preparation method of efficient curing agent |
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| CN105801056A true CN105801056A (en) | 2016-07-27 |
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| CN201610226159.4A Pending CN105801056A (en) | 2016-04-13 | 2016-04-13 | Efficient curing agent for treating sewer sludge and preparation method of efficient curing agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865926A (en) * | 2017-03-09 | 2017-06-20 | 中交疏浚技术装备国家工程研究中心有限公司 | One kind has filled municipal sludge curing agent and its deep dehydration method |
| CN109279836A (en) * | 2018-09-25 | 2019-01-29 | 大连理工大学 | A kind of ocean sludge composite curing agent |
| GB2575794A (en) * | 2018-07-20 | 2020-01-29 | Anglo Scottish Biosolids Ltd | Method |
| CN111453971A (en) * | 2019-01-18 | 2020-07-28 | 华东理工大学 | Dehydration conditioner, preparation method and application thereof |
| CN113860701A (en) * | 2021-11-11 | 2021-12-31 | 新疆水处理工程技术研究中心有限公司 | Sludge dehydrating agent and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865926A (en) * | 2017-03-09 | 2017-06-20 | 中交疏浚技术装备国家工程研究中心有限公司 | One kind has filled municipal sludge curing agent and its deep dehydration method |
| GB2575794A (en) * | 2018-07-20 | 2020-01-29 | Anglo Scottish Biosolids Ltd | Method |
| GB2575794B (en) * | 2018-07-20 | 2023-04-12 | Anglo Scottish Biosolids Ltd | Treated sewage sludge as a fertiliser or soil improver |
| CN109279836A (en) * | 2018-09-25 | 2019-01-29 | 大连理工大学 | A kind of ocean sludge composite curing agent |
| CN109279836B (en) * | 2018-09-25 | 2021-07-06 | 大连理工大学 | Sea-phase sludge composite curing agent |
| CN111453971A (en) * | 2019-01-18 | 2020-07-28 | 华东理工大学 | Dehydration conditioner, preparation method and application thereof |
| CN113860701A (en) * | 2021-11-11 | 2021-12-31 | 新疆水处理工程技术研究中心有限公司 | Sludge dehydrating agent and preparation method thereof |
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Application publication date: 20160727 |
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