CN105174850A - Environment-friendly high-performance concrete produced by means of industrial wastewater and preparing method thereof - Google Patents
Environment-friendly high-performance concrete produced by means of industrial wastewater and preparing method thereof Download PDFInfo
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- CN105174850A CN105174850A CN201510661147.XA CN201510661147A CN105174850A CN 105174850 A CN105174850 A CN 105174850A CN 201510661147 A CN201510661147 A CN 201510661147A CN 105174850 A CN105174850 A CN 105174850A
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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
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses environment-friendly high-performance concrete produced by means of industrial wastewater and a preparing method thereof. The concrete is prepared from, by weight, 150-200 parts of cement, 130-170 parts of water, 1020-1060 parts of pebbles, 40-60 parts of coal ash, 80-120 parts of mineral powder, 780-820 parts of sand and 5.3-5.8 parts of high-performance fortifier, wherein the water is obtained by mixing clear water and industrial wastewater in any proportion. The preparing method comprises the steps of adding cement, mineral powder, coal ash, sand and pebbles into a stirrer, stirring the mixture evenly, adding clear water containing high-performance fortifier and industrial wastewater into the stirrer in proportion, and continuing to conduct stirring. In this way, water resources are saved, wastewater treatment cost is reduced, the development of the environmental protection undertaking is promoted, market promotion value is high, and application prospects are broad.
Description
Technical field
The present invention relates to a kind of concrete, particularly relate to a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce and preparation method thereof.
Background technology
Country Urbanization Construction growing, construction work quantity grows with each passing day, meanwhile to concrete demand get more and more.And cement concrete needs a large amount of water resourcess, current China is lack of water country serious in the world.Paper mill is in manufacture paper process, and create a large amount of trade effluents, cost of water treatment is too high, also have impact on environment.Therefore the trade effluent in paper mill is carried out recycle, both protected environment, again save water resources.Carry out water resources recycle, imperative.
Existing several trade effluent that utilizes prepares concrete method at present.CN1498872 discloses one and utilizes flyash, slag and trade effluent to manufacture concrete method, but the inorganic industrial waste water that its trade effluent used reclaims for concrete plant, is not suitable for the waste water being rich in large amount of organic produced in process paper mill.CN101857391 discloses a kind of method utilizing dyeing and printing sewage to prepare concrete admixture, but the method not only needs to carry out pre-treatment to dyeing and printing sewage, and obtained additive applicable surface is also narrower.
CN101012127 discloses a kind of method utilizing sewage hydrolyzing albumen to prepare foamed concrete, but the method is the organism producing foamed agent after utilizing the proteolysis in sanitary sewage, cannot be applied on paper mill effluent.Therefore, still effectively cannot solve with existing technology and utilize papermaking sewage to prepare concrete problem.
Summary of the invention
The object of the invention is to solve paper waste for concrete problem, the invention provides a kind of utilize the trade effluent in paper mill to produce initial set and the concrete of shortening more obvious than prior art time of coagulation of final set and production method.
Technical scheme provided by the invention is: a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce, and comprises cement 150 ~ 200 weight part, water 130 ~ 170 weight part, stone 1020 ~ 1060 weight part, flyash 40 ~ 60 weight part, breeze 80 ~ 120 weight part, sand 780 ~ 820 weight part, high-performance reinforcing agent 5.3 ~ 5.6 weight part; Described water is that clear water and trade effluent are mixed to get with arbitrary proportion.
Further improvement, described trade effluent is the waste water produced in the production process of paper mill.
Further improvement, comprises cement 200 weight part, water 170 weight part, stone 1060 weight part, flyash 60 weight part, breeze 80 weight part, sand 805 weight part, high-performance reinforcing agent 5.44 weight part; Described water is that clear water and trade effluent are mixed to get with the ratio of 3:7.
Further improvement, described breeze is S95 level breeze, and the specific surface area of breeze is 411,28 days activity indexs is 102%, flows than being 99%.
Further improvement, the fineness modulus 2.7 of described sand.
The concrete preparation method of the environment-friendly and high-performance utilizing trade effluent to produce, comprises the steps:
Cement 150 ~ 200 weight part, stone 1020 ~ 1050 weight part, flyash 40 ~ 60 weight part, breeze 80 ~ 120 weight part, sand 780 ~ 820 weight part are added in stirrer and stirs, clear water and trade effluent mixed solution 130 ~ 170 weight part and high-performance reinforcing agent 5.3 ~ 5.8 weight part is added again in stirrer, continue to stir, after stirring, pour out stirrer, the concrete utilizing trade effluent to produce can be obtained.
Further improvement, cement 200 weight part, stone 1060 weight part, flyash 60 weight part, breeze 80 weight part and sand 805 weight part are added in stirrer and stirs, mixed solution 170 weight part and high-performance reinforcing agent 5.44 weight part that clear water and trade effluent mix with the ratio of 3:7 is added again in stirrer, continue to stir, after stirring, pour out stirrer, the concrete utilizing trade effluent to produce can be obtained.
Further improvement, described trade effluent is the waste water produced in the production process of paper mill.
Further improvement, described breeze is S95 level breeze, and the specific surface area of breeze is 411,28 days activity indexs is 102%, flows than being 99%.
Further improvement, the fineness modulus 2.7 of described sand.
Compared with prior art, the present invention has following advantage:
1. the present invention utilizes the trade effluent Substitute For Partial clear water in paper mill, has both saved water resources, and has solved again the process problem of paper waste, promotes the development of environmental protection cause, has larger market popularization value and application prospect.Drawn the proportioning at application and construction scene by test, and be successfully applied to various industry and covil construction, road, bridge.
2. utilize the concrete that present method is produced, the shortening more obvious than prior art time of coagulation of its initial set and final set, and concrete strength is not weakened, drastically increase production efficiency, and be easy to construction.
3. mix trade effluent, utilize beneficial in waste water, decrease admixture dosage, and reduce water consumption, save cement, improve concrete workability, water-retentivity, mobility, is easy to concrete-agitating transport, shaping, thus also easily controls concrete quality.
Embodiment
The present invention will further illustrate the present invention with following Examples
In raw materials used in following examples: high-performance reinforcing agent, purchased from: Changzhou gift is precious.Cement is P.II52.5 type silicate cement, purchased from: Transition In Jurong, Jiangsu Tai Ni Cement Co., Ltd.Flyash is II level ash, purchased from: Yancheng Pan Yuan building materials company limited.
Embodiment 1
By commercially available P.II52.5 silicate cement: 3.75kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 3.06kg to stirrer in 10 seconds, paper mill effluent 0.34kg (namely paper mill effluent accounts for 10% of the reinforcement of concrete water yield), high-performance reinforcing agent: 116 grams, stirs 30 seconds, takes out after stirring.
Embodiment 2
By commercially available P.II52.5 silicate cement: 4kg, breeze: 2.4kg, flyash: 0.8kg, sand: 15.6kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 2.72kg to stirrer in 10 seconds, paper mill effluent 0.68kg (namely paper mill effluent accounts for 20% of the reinforcement of concrete water yield), high-performance reinforcing agent 116 grams, stirs 30 seconds, takes out after stirring.
Embodiment 3
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.4kg, stone 20.4g, each siccative is put into dry the stirring of stirrer and is added clear water 2.38kg to stirrer in 10 seconds, paper mill effluent 1.02kg (namely paper mill effluent accounts for 30% of the reinforcement of concrete water yield), high-performance reinforcing agent 106 grams, stirs 30 seconds, takes out after stirring.
Embodiment 4
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 2.04kg to stirrer in 10 seconds, paper mill effluent 1.36kg (namely paper mill effluent accounts for 40% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 5
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 1.7kg to stirrer in 10 seconds, paper mill effluent 1.7kg (namely paper mill effluent accounts for 50% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 6
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 1.36kg to stirrer in 10 seconds, paper mill effluent 2.04kg (namely paper mill effluent accounts for 60% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 7
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 1.02kg to stirrer in 10 seconds, paper mill effluent 2.38kg (namely paper mill effluent accounts for 70% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 8
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 0.68kg to stirrer in 10 seconds, paper mill effluent 2.72kg (namely paper mill effluent accounts for 80% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 9
By commercially available P.II52.5 silicate cement: 4kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added clear water 0.34kg to stirrer in 10 seconds, paper mill effluent 3.06kg (namely paper mill effluent accounts for 90% of the reinforcement of concrete water yield), high-performance reinforcing agent 108.8 grams, stirs 30 seconds, takes out after stirring.
Embodiment 10
By commercially available P.II52.5 silicate cement: 3.75kg, breeze: 1.6kg, flyash: 1.2kg, sand: 16.1kg, stone: 21.2kg, each siccative is put into dry the stirring of stirrer and is added paper mill effluent 3.25kg (namely paper mill effluent accounts for 100% of the reinforcement of concrete water yield) to stirrer in 10 seconds, high-performance reinforcing agent 108.8 grams, stir 30 seconds, take out after stirring.
Concrete performance obtained in each embodiment is above as shown in the table.The publication number a kind of concrete method of use trade effluent system that has been the patent disclosure of CN1498872A.The design grade using the method to obtain is the concrete of C30, and initial set and final setting time are respectively 9h30min and 12h45min, and R7 ultimate compression strength is 22.4MPa, R28 ultimate compression strength is 38.7.And the concrete that the design grade using method of the present invention to obtain is C30, initial set is no more than 9h, and final setting time is no more than 11h, so use present method to prepare concrete significantly can improve operating efficiency.Meanwhile, compared with prior art, the concrete using present method obtained, intensity without any decline, especially embodiment 7, namely paper mill effluent accounts for 70% concrete made of the reinforcement of concrete water yield, R7 ultimate compression strength reaches 30.5MPa, and R28 ultimate compression strength reaches 41.5MPa.The requirement of the different construction conditions such as building, bridge can be met.
Table 1 concrete performance index table
Above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out be still among the protection domain of the invention.
Claims (10)
1. the environment-friendly and high-performance concrete utilizing trade effluent to produce, it is characterized in that, comprise cement 150 ~ 200 weight part, water 130 ~ 170 weight part, stone 1020 ~ 1060 weight part, flyash 40 ~ 60 weight part, breeze 80 ~ 120 weight part, sand 780 ~ 820 weight part, high-performance reinforcing agent 5.3 ~ 5.8 weight part; Described water is that clear water and trade effluent are mixed to get with arbitrary proportion.
2. a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce as claimed in claim 1, it is characterized in that, described trade effluent is the waste water produced in the production process of paper mill.
3. a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce as claimed in claim 1, it is characterized in that, comprise cement 200 weight part, water 170 weight part, stone 1060 weight part, flyash 60 weight part, breeze 80 weight part, sand 805 weight part, high-performance reinforcing agent 5.44 weight part; Described water is that clear water and trade effluent are mixed to get with the ratio of 3:7.
4. a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce as claimed in claim 1, it is characterized in that, described breeze is S95 level breeze, and the specific surface area of breeze is 411,28 days activity indexs is 102%, flows than being 99%.
5. a kind of environment-friendly and high-performance concrete utilizing trade effluent to produce as claimed in claim 1, is characterized in that, the fineness modulus 2.7 of described sand.
6. the concrete preparation method of the environment-friendly and high-performance utilizing trade effluent to produce, is characterized in that, comprise the steps:
Cement 150 ~ 200 weight part, stone 1020 ~ 1060 weight part, flyash 40 ~ 60 weight part, breeze 80 ~ 120 weight part, sand 780 ~ 820 weight part are added in stirrer and stirs, clear water and trade effluent mixed solution 130 ~ 170 weight part and high-performance reinforcing agent 5.3 ~ 5.8 weight part is added again in stirrer, continue to stir, after stirring, pour out stirrer, the concrete utilizing trade effluent to produce can be obtained.
7. the concrete preparation method of a kind of environment-friendly and high-performance utilizing trade effluent to produce as claimed in claim 6, it is characterized in that, described trade effluent is the waste water produced in the production process of paper mill.
8. the concrete preparation method of a kind of environment-friendly and high-performance utilizing trade effluent to produce as claimed in claim 6, it is characterized in that, cement 200 weight part, stone 1060 weight part, flyash 60 weight part, breeze 80 weight part and sand 805 weight part are added in stirrer and stirs, mixed solution 170 weight part and high-performance reinforcing agent 5.44 weight part that clear water and trade effluent mix with the ratio of 3:7 is added again in stirrer, continue to stir, after stirring, pour out stirrer, the concrete that trade effluent is produced can be obtained.
9. the concrete preparation method of a kind of environment-friendly and high-performance utilizing trade effluent to produce as claimed in claim 6, it is characterized in that, described breeze is S95 level breeze, and the specific surface area of breeze is 411,28 days activity indexs is 102%, flows than being 99%.
10. the concrete preparation method of a kind of environment-friendly and high-performance utilizing trade effluent to produce as claimed in claim 6, is characterized in that, the fineness modulus 2.7 of described sand.
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CN111943598A (en) * | 2020-08-17 | 2020-11-17 | 金华市永浩建材有限公司 | Environment-friendly high-strength concrete using circulating water |
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CN1966442A (en) * | 2005-11-18 | 2007-05-23 | 北京摩威力科技发展有限公司 | Method for producing powder gelatin construction material using waste water of paper-making |
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