CN101875211A - Method for producing concrete brick by using residual slurry of tubular pile - Google Patents

Method for producing concrete brick by using residual slurry of tubular pile Download PDF

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Publication number
CN101875211A
CN101875211A CN 201010152472 CN201010152472A CN101875211A CN 101875211 A CN101875211 A CN 101875211A CN 201010152472 CN201010152472 CN 201010152472 CN 201010152472 A CN201010152472 A CN 201010152472A CN 101875211 A CN101875211 A CN 101875211A
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tubular pile
residual slurry
concrete brick
aggregate
brick
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CN 201010152472
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CN101875211B (en
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沈德明
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Ningbo Zhenhai Hongjia Building Materials Co ltd
Ningbo Zhenhai Permanent Building Materials Factory (general Partnership)
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NINGBO ZHENHAI YONGHENG BUILDING MATERIALS FACTORY
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Priority to CN2010101524720A priority Critical patent/CN101875211B/en
Publication of CN101875211A publication Critical patent/CN101875211A/en
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Publication of CN101875211B publication Critical patent/CN101875211B/en
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Abstract

The invention discloses a method for producing a concrete brick by using residual slurry of a tubular pile, and belongs to the manufacturing field of building materials. The method comprises the steps of material preparation, raw material stirring, brick pressing, indoor standing, water-holding curing and product formation. The invention discloses a method for simply determining a matching ratio by simply evaluating effective ingredients of the residual slurry of the tubular pile. Compared with the prior art, the method is simple and practical; the residual slurry of the tubular pile, originally serving as waste, is used as the raw material, and the concrete brick meets various standards related with national buildings, so the treatment expense of a tubular pile production enterprise on the residual slurry of the tubular pile is saved, and the pollution of the residual slurry of the tubular pile to the environment is avoided; and on the other hand, the residual slurry of the tubular pile substitutes cement and is used as a cementing material for making bricks, so the production cost of a concrete brick production enterprise is reduced.

Description

A kind of method of utilizing residual slurry of tubular pile to produce concrete brick
Technical field
The present invention relates to the manufacture method of construction material, a kind of specifically method of utilizing residual slurry of tubular pile to produce concrete brick.
Background technology
On the one hand, along with industry, civil buildings get more and more, because the clay common brick need consume a large amount of clays, baking red bricks can destroy a large amount of arable lands, therefore, national regulation no longer allows to use clay to bake bricks, for this reason, brickmaking enterprise has adopted various raw materials to fire fragment of brick, wherein commonplace coagulating cement cob brick.It as application number 200810136858.5 Chinese invention patent, it discloses a kind of rubble chip concrete solid brick, and it is formed by the combination of materials of following mass percent: the quick lime of the stone fragment of 50-70%, the flyash of 20-40%, 3-10%, the cement of 2-5%, the additive of 0.5-2%; Above-mentioned material is mixed the back add an amount of water stirring, utilize brickmaking machine to make the solid brick of required specification.But along with applying of coagulating cement cob brick, manufacturing enterprise's quantity and output constantly increase, intensified competition, and simultaneously, raw-material price such as cement rises steadily, and makes the production cost of coagulating cement cob brick increase.Therefore, how to reduce cost, strengthen the research topic that the market competitiveness of enterprises becomes enterprise.
On the other hand, be accompanied by quickening of urbanization process, the urban construction high speed development, in a large amount of civil buildings and industrial building, all must use pile foundation, wherein, prestressed concrete pipe pile is good with fast, the pre-formed quality of speed of application, cost is lower and used in a large number, makes the production output of pile for prestressed pipe increase year by year, but pile for prestressed pipe can produce a large amount of discarded liquid, i.e. residual slurry of tubular pile in the high speed centrifugation forming process.Contain alkaline matters such as cement and water reducer in the residual slurry of tubular pile, arbitrarily the discharging meeting pollutes water and soil, common way is at present: residual slurry of tubular pile is poured in the special container, treated manually it to be knocked behind its coagulation forming, be pulled to landfill with truck again and outwell.The higher while of the cost of this processing method is contaminated environment also, and, for residual slurry of tubular pile itself,, all be a kind of waste of resource no matter abandon in which way.How effectively handling residual slurry of tubular pile well and it is carried out regeneration is a problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention is the present situation at prior art, and a kind of technology advantages of simple is provided, and the residual slurry of tubular pile that utilizes that production cost is low is produced the method for concrete brick.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of method of utilizing residual slurry of tubular pile to produce concrete brick may further comprise the steps:
(1) gets the raw materials ready: collect residual slurry of tubular pile from the pile tube workshop and be transported to the concrete brick workshop and remove big aggregate the residual slurry of tubular pile, get aggregate and flyash simultaneously ready, and measure for future use: residual slurry of tubular pile 10%-25% by following weight ratio, aggregate 70%-90%, flyash 0%-20%;
(2) raw material stirs: with the raw material got ready by first aggregate after the order of flyash operate, at first dry mixing is 25 seconds-35 seconds, adds residual slurry of tubular pile then and stirs, mixing time is 110 seconds-130 seconds;
(3) fragment of brick compacting: the raw material that stirs is got adobe by make-up machine compression moulding, and pressure is controlled at 15Mpa-20Mpa during compression moulding, and molding time was controlled at 16 seconds-20 seconds;
(4) indoor resting: formed green brick is stacked at indoor with the height of 4-8 plate, and needs rest 24 hours-36 hours indoor, if the no indoor condition of resting, also must take capping in adobe, cover etc. preserved moisture, the insulation measure;
(5) water-preserving curing: needing on brick is bad water seasoning after indoor the resting 21 days, wherein, first week is if a day heated drying then watered twice in one day, so that each once is advisable sooner or later, if day cold then watered once in one day; So after one week of maintenance, reduce the number of times that waters, watered with 2-3 days and once be advisable;
(6) finished product: get product behind the water-preserving curing, finished product need keep dry.
This method features simple and practical process, utilize originally residual slurry of tubular pile as discarded object as raw material, manufactured goods meet the relevant every standard of country's building, not only saved of the disposal cost of pile tube manufacturing enterprise to residual slurry of tubular pile, and avoided the pollution of residual slurry of tubular pile to environment, on the other hand, residual slurry of tubular pile has replaced the cementitious matter of cement as brickmaking, has reduced the production cost of concrete brick manufacturing enterprise.
In order to obtain better technique effect, further technical measures also comprise:
Because residual slurry of tubular pile has significant impact to the quality of concrete brick, and the composition of the residual slurry of tubular pile of each batch all can be different, its physical property is difference to some extent also, and the quality of other raw material is controlled, therefore, the composition of residual slurry of tubular pile is conclusive for proportion of raw materials, if enterprise need to whenever with batch surplus slurry analyze, both time-consuming consumption power has prolonged the time that surplus slurry uses from dispatching from the factory to again, control the improper residual slurry of tubular pile setting and harden that also very easily causes, miss an opportunity because of a delay.For this reason, after the residual slurry of tubular pile in the above-mentioned steps (1) is transported to the concrete brick workshop, at first detect the density of residual slurry of tubular pile, determine the match ratio of raw material then according to the density of residual slurry of tubular pile.According to research, the density and the content of effective of residual slurry of tubular pile are linear correlation, just can reflect the active ingredient of residual slurry of tubular pile like this by test density; In addition, discover, the degree of association maximum of the intensity of concrete brick after the density of residual slurry of tubular pile and the moulding, therefore, simultaneously can be with density as the evaluation index of estimating the concrete brick quality.And with density measurement as the brief appraisal method, have simple to operation, quick and accurate advantage.
Further: after the residual slurry of tubular pile in the above-mentioned steps (1) is transported to the concrete brick workshop, need detect the fluidity of residual slurry of tubular pile simultaneously, if fluidity is less than 180mm, then needing thin up to carry out homogenizing handles, increase intensive simultaneously, and, if preceding batch of admixture set retarder, then increase the consumption of set retarder at the residual slurry of tubular pile admixture set retarder of pile tube workshop to following batch.Fluidity diminishes not only influences the validity that production and processing has also reduced residual slurry of tubular pile, especially summer, and water evaporates is very fast, and the fluidity loss is more obvious.And set retarder can effectively slow down the fluidity loss, make residual slurry of tubular pile can stop the longer time,, add the water homogenizing and can increase the intergranular distance of gelling in the residual slurry of tubular pile if fluidity loses, delay condensing and hardening of cement in the residual slurry of tubular pile, produce retarding effect.
Different brands, the set retarder of heterogeneity, its retarding effect is different, and preferred, above-mentioned set retarder is a lignin magnesium, and the addition content of lignin magnesium is the 0.05%-2% that accounts for residual slurry of tubular pile weight.Lignin magnesium retarding effect is good, advantages such as low price.
Preferably, in the above-mentioned steps (3), the pressing pressure of solid concrete brick is controlled at 16Mpa-20Mpa, and the pressing pressure of celluar concrete brick is controlled at 15Mpa-18Mpa.
Preferably, in the above-mentioned steps (4), the stacking of solid concrete brick highly is the 6-8 plate, and the stacking of celluar concrete brick highly is the 4-6 plate.
Above-mentioned aggregate is an aggregate chips, and when this aggregate was used for the solid concrete brick, the maximum particle diameter of aggregate was less than or equal to 15mm; When this aggregate is used for the celluar concrete brick, the maximum particle diameter of aggregate be less than or equal to the riblet of celluar concrete brick thick 2/3.
Particle diameter is less than or equal to 20% of whole aggregate less than the content of the aggregate of 0.15mm.
Compared with prior art, features simple and practical process of the present invention, utilize originally residual slurry of tubular pile as discarded object as raw material, manufactured goods meet the relevant every standard of country's building, not only saved of the disposal cost of pile tube manufacturing enterprise, and avoided the pollution of residual slurry of tubular pile, on the other hand environment to residual slurry of tubular pile, residual slurry of tubular pile has replaced the cementitious matter of cement as brickmaking, has reduced the production cost of concrete brick manufacturing enterprise.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
A kind of method of utilizing residual slurry of tubular pile to produce the concrete solid brick may further comprise the steps:
(1) gets the raw materials ready: collect residual slurry of tubular pile from the pile tube workshop and be transported to the concrete brick workshop and remove big aggregate the residual slurry of tubular pile, get aggregate and flyash simultaneously ready, and measure for future use: residual slurry of tubular pile 15%, aggregate 80%, flyash 5% by following weight ratio; Wherein, aggregate is a stone fragment, and its maximum particle diameter is less than or equal to 15mm, and particle diameter is less than or equal to 20% of whole aggregate less than the content of the aggregate of 0.15mm.
(2) raw material stirs: with the raw material got ready by first aggregate after the order of flyash operate, at first dry mixing is 30 seconds, adds residual slurry of tubular pile then and stirs, mixing time is 120 seconds.The time of dry mixing is controlled at was advisable in 25 to 35 seconds, and the mixing time behind the adding residual slurry of tubular pile is controlled at was advisable in 110 to 130 seconds, and present embodiment was selected for use respectively 30 seconds and 120 seconds;
(3) fragment of brick compacting: the raw material that stirs is got adobe by make-up machine compression moulding, and pressure is controlled at 18Mpa during compression moulding, and molding time was controlled at 18 seconds; The pressing pressure of solid brick all can reach effect preferably 16 to 20Mpa, should select suitable force value in this scope according to the concrete condition of the raw material after stirring in the practical operation;
(4) indoor resting: formed green brick is stacked at indoor with the height of 7 plates, and rested 24 hours indoor; Stacking height and the time of resting should be according to the adobe situation concrete decision after the compacting, and the stacking of solid brick height is advisable with 6 to 8 plates, and the time of resting was advisable with 24 to 36 hours;
(5) water-preserving curing: at the indoor back water seasoning 21 days in adobe of resting, wherein, first week is if a day heated drying then watered twice in one day, so that each once is advisable sooner or later, if day cold then watered once in one day; So after one week of maintenance, reduce the number of times that waters, watered with 2-3 days and once be advisable;
(6) finished product: get product behind the water-preserving curing, finished product need keep dry.
Need be undertaken at collection, transportation new lot residual slurry of tubular pile by following step:
After residual slurry of tubular pile in the step (1) is transported to the concrete brick workshop, at first detect the density of residual slurry of tubular pile, determine the match ratio of raw material then according to the density of residual slurry of tubular pile.
After residual slurry of tubular pile in the step (1) is transported to the concrete brick workshop, need detect the fluidity of residual slurry of tubular pile simultaneously, if fluidity is less than 180mm, then needing thin up to carry out homogenizing handles, increase intensive simultaneously, and, if preceding batch of admixture set retarder, then increase the consumption of set retarder at the residual slurry of tubular pile admixture set retarder of pile tube workshop to following batch.
Set retarder is a lignin magnesium, and the addition content of lignin magnesium is the 0.05%-2% that accounts for residual slurry of tubular pile weight.
The proportioning of each component can be regulated according to the requirement to brick among the present invention, and proper ratio range is advisable with following scope: residual slurry of tubular pile 10%-25%, aggregate 70%-90%, flyash 0%-20%.As: residual slurry of tubular pile 10%, aggregate 70%, flyash 20%; Or residual slurry of tubular pile 25%, aggregate 70%, flyash 5%; Or residual slurry of tubular pile 20%, aggregate 80%, flyash 0% or the like, above proportioning all can reach actual requirement.
Embodiment 2
A kind of method of utilizing residual slurry of tubular pile to produce concrete perforated brick, wherein the maximum particle diameter of aggregate be less than or equal to the riblet of described celluar concrete brick thick 2/3, and the pressing pressure in pressing process is controlled to be 15Mpa, molding time was controlled at 20 seconds, and it is stacked and highly is the 4-6 plate when indoor resting.Remainder is identical with embodiment 1, does not give unnecessary details one by one at this.

Claims (8)

1. method of utilizing residual slurry of tubular pile to produce concrete brick is characterized in that may further comprise the steps:
(1) gets the raw materials ready: collect residual slurry of tubular pile from the pile tube workshop and be transported to the concrete brick workshop and remove big aggregate the residual slurry of tubular pile, get aggregate and flyash simultaneously ready, and measure for future use: residual slurry of tubular pile 10%-25% by following weight ratio, aggregate 70%-90%, flyash 0%-20%;
(2) raw material stirs: with the raw material got ready by first aggregate after the order of flyash operate, at first dry mixing is 25 seconds-35 seconds, adds residual slurry of tubular pile then and stirs, mixing time is 110 seconds-130 seconds;
(3) fragment of brick compacting: the raw material that stirs is got adobe by make-up machine compression moulding, and pressure is controlled at 15Mpa-20Mpa during compression moulding, and molding time was controlled at 16 seconds-20 seconds;
(4) indoor resting: formed green brick is stacked at indoor with the height of 4-8 plate, and needs rest 24 hours-36 hours indoor, if the no indoor condition of resting, also must take capping in adobe, cover etc. preserved moisture, the insulation measure;
(5) water-preserving curing: needed in adobe water seasoning 21 days after indoor resting, wherein, first week is if a day heated drying then watered twice in one day, so that each once is advisable sooner or later, if day cold then watered once in one day; So after one week of maintenance, reduce the number of times that waters, watered with 2-3 days and once be advisable;
(6) finished product: get product behind the water-preserving curing, finished product need keep dry.
2. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: after the described residual slurry of tubular pile in the described step (1) is transported to the concrete brick workshop, at first detect the density of described residual slurry of tubular pile, determine the match ratio of raw material then according to the density of described residual slurry of tubular pile.
3. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: after the described residual slurry of tubular pile in the described step (1) is transported to the concrete brick workshop, need detect the fluidity of described residual slurry of tubular pile simultaneously, if fluidity is less than 180mm, then need thin up to carry out homogenizing and handle, increase intensive simultaneously, and at the residual slurry of tubular pile admixture set retarder of pile tube workshop to following batch, if preceding batch of admixture set retarder, then increase the consumption of set retarder.
4. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 3, it is characterized in that: described set retarder is a lignin magnesium, the addition content of described lignin magnesium is the 0.05%-2% that accounts for residual slurry of tubular pile weight.
5. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: in the described step (3), the pressing pressure of solid concrete brick is controlled at 16Mpa-20Mpa, and the pressing pressure of celluar concrete brick is controlled at 15Mpa-18Mpa.
6. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: in the described step (4), the stacking of solid concrete brick highly is the 6-8 plate, and the stacking of celluar concrete brick highly is the 4-6 plate.
7. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: described aggregate is a stone fragment, when described aggregate was used for the solid concrete brick, the maximum particle diameter of described aggregate was less than or equal to 15mm; When described aggregate is used for the celluar concrete brick, the maximum particle diameter of described aggregate be less than or equal to the riblet of described celluar concrete brick thick 2/3.
8. a kind of method of utilizing residual slurry of tubular pile to produce concrete brick according to claim 1, it is characterized in that: particle diameter is less than or equal to 20% of whole aggregate less than the content of the aggregate of 0.15mm.
CN2010101524720A 2010-04-21 2010-04-21 Method for producing concrete brick by using residual slurry of tubular pile Expired - Fee Related CN101875211B (en)

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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN102408208A (en) * 2011-08-12 2012-04-11 山东平安建设集团有限公司 Autoclaved/steam cured brick prepared from industrial waste and preparation process thereof
CN103803902A (en) * 2013-12-25 2014-05-21 邱寒冰 Building material and fabrication method thereof
CN104045279A (en) * 2014-07-04 2014-09-17 四川华构住宅工业有限公司 Method for preparing novel lightweight trench cover from surplus paste in production of pipe piles
CN104496304A (en) * 2014-11-28 2015-04-08 淮安市海洋新型建材有限公司 Novel wall material and manufacturing method thereof
CN106217641A (en) * 2016-09-08 2016-12-14 德翰智慧科技有限公司 The method making environment-friendly building materials with prestressed concrete pipe pile processing procedure residue cement mortar
CN108177238A (en) * 2017-12-29 2018-06-19 汤始建华建材(上海)有限公司 Mix the system of remaining slurry production sand autoclave aerated concrete building block
CN109400017A (en) * 2018-10-08 2019-03-01 江门市新会华源管桩有限公司 A method of enhancing residual slurry of tubular pile mobility
CN110228125A (en) * 2018-11-27 2019-09-13 宁波市镇海宏佳建材有限公司 A method of novel environment friendly concrete brick is prepared using building waste
CN110606703A (en) * 2019-10-07 2019-12-24 汕头市宏基混凝土构件有限公司 Method for comprehensively recycling stone tailings and waste stone sand
CN111892365A (en) * 2020-07-02 2020-11-06 河海大学 Iron tailing based building block and preparation method thereof
CN114956628A (en) * 2022-05-12 2022-08-30 昆明理工大学 High-strength phosphogypsum-based recycled aggregate and preparation method thereof
CN115626810A (en) * 2022-10-10 2023-01-20 湖北昌耀新材料工程技术研究有限责任公司 Phosphogypsum stabilizing material and application thereof

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102408208A (en) * 2011-08-12 2012-04-11 山东平安建设集团有限公司 Autoclaved/steam cured brick prepared from industrial waste and preparation process thereof
CN103803902A (en) * 2013-12-25 2014-05-21 邱寒冰 Building material and fabrication method thereof
CN104045279A (en) * 2014-07-04 2014-09-17 四川华构住宅工业有限公司 Method for preparing novel lightweight trench cover from surplus paste in production of pipe piles
CN104045279B (en) * 2014-07-04 2016-08-17 四川华构住宅工业有限公司 Utilize the method that residual slurry of tubular pile prepares novel light trench cover
CN104496304A (en) * 2014-11-28 2015-04-08 淮安市海洋新型建材有限公司 Novel wall material and manufacturing method thereof
CN106217641A (en) * 2016-09-08 2016-12-14 德翰智慧科技有限公司 The method making environment-friendly building materials with prestressed concrete pipe pile processing procedure residue cement mortar
CN108177238A (en) * 2017-12-29 2018-06-19 汤始建华建材(上海)有限公司 Mix the system of remaining slurry production sand autoclave aerated concrete building block
CN109400017A (en) * 2018-10-08 2019-03-01 江门市新会华源管桩有限公司 A method of enhancing residual slurry of tubular pile mobility
CN110228125A (en) * 2018-11-27 2019-09-13 宁波市镇海宏佳建材有限公司 A method of novel environment friendly concrete brick is prepared using building waste
CN110606703A (en) * 2019-10-07 2019-12-24 汕头市宏基混凝土构件有限公司 Method for comprehensively recycling stone tailings and waste stone sand
CN111892365A (en) * 2020-07-02 2020-11-06 河海大学 Iron tailing based building block and preparation method thereof
CN111892365B (en) * 2020-07-02 2021-10-01 河海大学 Iron tailing based building block and preparation method thereof
CN114956628A (en) * 2022-05-12 2022-08-30 昆明理工大学 High-strength phosphogypsum-based recycled aggregate and preparation method thereof
CN115626810A (en) * 2022-10-10 2023-01-20 湖北昌耀新材料工程技术研究有限责任公司 Phosphogypsum stabilizing material and application thereof

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Patentee before: Ningbo Zhenhai permanent building materials factory (general partnership)

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Granted publication date: 20121128

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