CN101269519A - Method for producing water conservancy concrete wrest block and four-pin hollow block by using pipe pile wastewater slurry - Google Patents

Method for producing water conservancy concrete wrest block and four-pin hollow block by using pipe pile wastewater slurry Download PDF

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Publication number
CN101269519A
CN101269519A CNA2007100384073A CN200710038407A CN101269519A CN 101269519 A CN101269519 A CN 101269519A CN A2007100384073 A CNA2007100384073 A CN A2007100384073A CN 200710038407 A CN200710038407 A CN 200710038407A CN 101269519 A CN101269519 A CN 101269519A
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concrete
mould
piece
pipe pile
king
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CNA2007100384073A
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CN101269519B (en
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赵永明
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SHANGHAI YIHANG TRADE DEVELOPMENT Co Ltd
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SHANGHAI YIHANG TRADE DEVELOPMENT Co Ltd
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Abstract

The invention relates to a method for producing armour block and hollow block with four legs of water conservancy concrete by utilizing tubular pile waste water slurry. The method mainly comprises the steps that: concrete, medium sand and gravel are launched into a concerete mixer to be mixed for 30 seconds to 60 seconds according to proportion by weight; and then the tubular pile waste water slurry is added when stirring; the quantity of the water slurry added into is subject to slump constant of the concrete mix which is between 30 mm to 120mm; the concrete mix is produced after the wet mixture is acted for 30 to 60 seconds. And then the concrete mix is launched into a prefabricated-part mould; a concentrated vibro is adopted for processing, and the distance between vibro points is 0.8 times to 1.2 times of the working radius of a vibrating spear. When in pouring, the concrete mix needs to be processed for pouring layer upon layer in the mould in a horizontal plane rising way. At last maintenance is processed according to a conventional maintenance process method. Aiming at the mechanical property requirements of the concrete water conservancy prefabricated-part, the pressive strength grade of the produced concrete water conservancy prefabricated-part is C30 through improving the mix proportion of the concrete and the pouring technology; the appearance quality measures up to the standard requirements.

Description

A kind of pipe pile wastewater slurry that utilizes is produced the method that conservancy concrete is turned round king's piece and four pin hollow blocks
Technical field:
The present invention relates to a kind of preparation method of concrete prefabricated element, particularly a kind of pipe pile wastewater slurry that utilizes is produced the method that conservancy concrete is turned round king's piece and four pin hollow blocks.
Background technology:
The useless slurry of pile tube is the waste liquid that pile tube produces in the centrifugal forming process.According to statistics, 1m 3Tubular pile concrete produces about 0.05m after centrifugal 3Useless slurry.Its main component is cement, fine sand, moisture content and a small amount of dust and additive.The content of cement reaches 60% in the useless slurry.
For the residual slurry of tubular pile that is produced (useless slurry) processing mode in the past is directly to be emitted on the vacant lot or to pour puddle, farmland into, treats it to be dug out after its air-set again and makes landfill disposal.Owing to reach the weathering of century-old ability after containing a large amount of alkaline matter setting and hardens in the useless slurry, this treating method is serious environment pollution not only, influence the ecological balance, but also valuable resource such as high-grade cement, additive and the moisture content having wasted in the surplus slurry to be contained, certainly, also to take a large amount of landfill places and the certain landfill expense of expenditure.
Because the useless slurry of pile tube is along with the variation of pile tube design mixture proportion and processing technology, its component has certain fluctuation; Because the additive that is added has short powerful morning that coagulates mostly, its mobile loss is bigger, and these have all brought the difficulty of aspects such as match ratio design, adjustment and processing technology formulation to the utilization again of the useless slurry of pile tube.
At the problems referred to above, there has been the people surplus slurry to be reclaimed and utilized by technological improvement.Existing a kind of scheme is to utilize residual slurry of tubular pile to produce air entrained concrete, this technical scheme relies on the volume of change residual slurry of tubular pile in air entrained concrete production batching, corresponding minimizing simultaneously adds the volume of cement and levigate sand, in whole replacements batching, add cement mixing content, prove that by the corresponding techniques means this technical scheme can be developed the air entrained concrete of high-strength light.Its raw material consist of: lime, the place of production, Guangxi, A-CaO 〉=80%; Levigate mortar, fineness 0.08mm square hole screen residue on sieve (8~12) %; Cement, 42.5 Portland cements; Residual slurry of tubular pile, gypsum powder, additive.During above-mentioned raw materials was formed, surplus slurry was according to the product requirement of reality, and the maximum that substitutes Binder Materials can reach 20%, this shows that this has good twice laid space for residual slurry of tubular pile.It is not enough that but the utilization rate of residual slurry of tubular pile also shows.
Engineering mud conditioning report is also arranged in the foreign patent technology, but its equipment complexity, and to use chemical assistant and filler, might cause twice pollution to environment.Also have report to claim to adopt the way that adds additive to prolong its setting time, but do not see the actual process and the economic benefit of concrete recycling, only rest on the aspect of improving useless slurry workability.
Certainly, the residual slurry of tubular pile of in addition a lot of similar above-mentioned know-whies recycling embodiment is used and handles residual slurry of tubular pile.Yet present development and use at residual slurry of tubular pile no longer are confined to reclaim and are used to prepare the concrete hierarchy of skill.With analysis, the applicant has developed a kind of novel residual slurry of tubular pile that utilizes and has been prepared into the construction technology of new product as raw materials for production by experiment.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of pipe pile wastewater slurry that utilizes to produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks.This method mainly is that cement mortar discarded when utilizing the tubular pile centrifugal moulding is produced conservancy concrete and turned round king's piece and four pin hollow blocks.
Technical problem to be solved by this invention can be achieved through the following technical solutions:
A kind of pipe pile wastewater slurry that utilizes is produced the method that conservancy concrete is turned round king's piece and four pin hollow blocks, comprises the steps:
(1) will clean out inside and outside the mould, particularly the bottom water body refuse will thoroughly be removed, and is smooth with grinder buffing if any welding slag.Should proofread and correct as deformation of bottom, guarantee that mould meets the requirements.
(2) sealing strip that damages on the mould frame is cleaned out, first-class glue sticks new sealing strip again, and the junction of sealing strip will be in conjunction with well, can not be gapped, and sealing strip does not paste instead, and the surface does not speckle with glue.
(3) the spud pile position is cleaned out. fill up a foaming flexible plastic, and then cover one deck plastic film.
(4) will carry out the assembly unit of mould behind mold bottom and the even brushing releasing agent of inner surface, find that in the assembly unit process mould splicing place is apertured, must rectify and improve, in order to avoid cause spillage when building.
(5) mould that assembly unit is good is carefully lifted a centre position that is put into the stake position, shakes mould then gently, when finding the bottom out-of-flatness, uses sieve and goes the thin yellow ground of stone to level up, bottom spillage not when guaranteeing to build.
(6) by cement: medium sand: the rubble weight ratio is 1: (3~5): (7~10), take by weighing in cement, medium sand, the rubble input concrete mixer and stir (30~60) second, add pipe pile wastewater slurry then while stirring, the quantity that cement mortar adds so that the slump of concrete mix be as the criterion for (30~120) mm, wet-mixing again (30~60) second, make concrete mix;
(7) in the time of will meeting concrete mix that match ratio requires and put into mould 20-30 centimetre, begin to vibrate with vibrating head, vibrate to the centre position that mould occurs vibrating head being placed on behind the horizontal plane, continue reinforced, treat that horizontal plane arrives when turning round the centimetre left and right sides, top, the middle inclined-plane of king's piece following (4-6), stop to feed in raw material, and vibrate and turn round two inclined-planes in the middle of king's piece, up to no bubble effusion.
(8) mold cleaning, assembly unit, receipts light etc. of turning round king's piece require identically with four pin hollow blocks, and bottom using steel plate and foamed plastic plate are leveled up sealing.
(9) hollow block should feed intake by two opening parts in turn at the top, and shakes simultaneously with two shock clubs and to smash, and guarantees that concrete is horizontal plane and rises.The rate of feeding that will slow down when horizontal plane arrives mould inclined-plane and horizontal level soon fully vibrates, and concrete is the level of state by the inclined-plane and the horizontal level of mould.
In the said method step (6), can also add additive.
Described additive comprises one or more mixtures in set retarder, retardation water reducing agent, efficient retarding and water reducing agent, waterproofing agent, antifreezing agent, the pumping admixture.
Described pipe pile wastewater slurry substitutes Binder Materials amount 〉=20% in the concrete mix.
According to above-mentioned steps; in work progress, it should be noted that in the described step (7): vibrating head is placed on the centre position; reinforced at a slow speed; guarantee the concrete rising that is the level of state; when treating that horizontal plane arrives the top of turning round the middle inclined-plane of king's piece; can accelerate charging rate,, vibrate, receive light more routinely up to filling it up with material.In addition, hopper will be aimed at the mould centre position when feeding intake, and does not allow material trickle down in the mould outside; The operating personnel keeps a safe distance with hopper all the time.
The present invention is directed to conservancy concrete and turn round the mechanical property requirements of king's piece and four pin hollow blocks, by improving concrete mix and casting craft, making the concrete water conservancy prefabricated components grade of compressive strength that makes is C30, and presentation quality meets GB50204-2002, DGJ08-90-2000, J10053-2000 standard-required.The advantage of this scheme is:
(1) pipe pile wastewater slurry amount ratio prior art want high, saved cement cost, reduced the cost that conservancy concrete is turned round king's piece and four pin hollow blocks, have tangible economic benefit and social benefit.
(2) the present invention does not have any waste discharge; do not produce secondary pollution; thoroughly stopped three waste discharge; and eliminated wastewater slurry to appropriation of land and pollution; turn waste into wealth; protected around the pile tube manufacturing enterprise and the ecological environment of landfill yard, saved a large amount of resources and a large amount of landfill places, its social benefit is fairly obvious.
(3) conservancy concrete of the present invention is turned round king's piece and four pin hollow blocks are used in short silt corral bank protection concrete member, can reach the mechanical property requirements of concrete member fully.
(4) this technical scheme has characteristics easy to operate, that produce stable, reliable in quality, be easy to grasp, and higher popularizing value is arranged.
Description of drawings:
Fig. 1 turns round king's piece schematic diagram for conservancy concrete of the present invention.
The specific embodiment:
The present invention is further elaborated below in conjunction with instantiation.
As shown in Figure 1, the pipe pile wastewater slurry production water conservancy of utilizing shown in the present is turned round the method for king's piece and four pin hollow blocks, and its step is as follows:
(1) will clean out inside and outside the mould, particularly the bottom water body refuse will thoroughly be removed, and is smooth with grinder buffing if any welding slag.Should proofread and correct as deformation of bottom, guarantee that mould meets the requirements.
(2) sealing strip that damages on the mould frame is cleaned out, first-class glue sticks new sealing strip again, and the junction of sealing strip will be in conjunction with well, can not be gapped, and sealing strip does not paste instead, and the surface does not speckle with glue.
(3) the spud pile position is cleaned out. fill up a foaming flexible plastic, and then cover one deck plastic film.
(4) will carry out the assembly unit of mould behind mold bottom and the even brushing releasing agent of inner surface, find that in the assembly unit process mould splicing place is apertured, must rectify and improve, in order to avoid cause spillage when building.
(5) mould that assembly unit is good is carefully lifted a centre position that is put into the stake position, shakes mould then gently, when finding the bottom out-of-flatness, uses sieve and goes the thin yellow ground of stone to level up, bottom spillage not when guaranteeing to build.
(6) by cement: medium sand: the rubble weight ratio is 1: 3: 7.5, take by weighing in cement, medium sand, the rubble input concrete mixer and stir (30~60) second, add 4 parts of pipe pile wastewater slurries and 0.02 part of pumping admixture then while stirring, wet-mixing again (30~60) second, make concrete mix;
(7) in the time of will meeting concrete mix that match ratio requires and put into mould (20-30) centimetre, begin to vibrate with vibrating head, vibrate to the centre position that mould occurs vibrating head being placed on behind the horizontal plane, continue reinforced, treat that horizontal plane arrives when turning round the centimetre left and right sides, top, the middle inclined-plane of king's piece following (4-6), stop to feed in raw material, and vibrate and turn round two inclined-planes in the middle of king's piece, up to no bubble effusion.It should be noted that: vibrating head is placed on the centre position, reinforced at a slow speed, guarantee concrete risings that be the level of state, when treating that horizontal plane arrives the top of turning round inclined-plane, king's piece centre, can accelerate charging rate, up to filling it up with material, vibrate, receive light more routinely.In addition, hopper will be aimed at the mould centre position when feeding intake, and does not allow material trickle down in the mould outside; The operating personnel keeps a safe distance with hopper all the time.
(8) mold cleaning, assembly unit, receipts light etc. of turning round king's piece require identically with four pin hollow blocks, and bottom using steel plate and foamed plastic plate are leveled up sealing.
(9) hollow block should feed intake by two opening parts in turn at the top, and shakes simultaneously with two shock clubs and to smash, and guarantees that concrete is horizontal plane and rises.The rate of feeding that will slow down when horizontal plane arrives mould inclined-plane and horizontal level soon fully vibrates, and concrete is the level of state by the inclined-plane and the horizontal level of mould.Certainly, what also must illustrate is, when arriving 1 position, the concrete horizontal face stops to feed in raw material in work progress at present embodiment, and two inclined-planes that fully vibrate, slowly reinforced again when treating still effusion, keep concrete to be horizontal plane and rise.When arriving 2 positions, horizontal plane can accelerate charging rate.
More than be one of embodiments of the present invention,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize purpose of the present invention equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present invention.

Claims (6)

1. one kind is utilized pipe pile wastewater slurry to produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks, it is characterized in that, comprises the steps:
(1) will clean out inside and outside the mould, particularly the bottom water body refuse will thoroughly be removed, and is smooth with grinder buffing if any welding slag.Should proofread and correct as deformation of bottom, guarantee that mould meets the requirements.
(2) sealing strip that damages on the mould frame is cleaned out, first-class glue sticks new sealing strip again, and the junction of sealing strip will be in conjunction with well, can not be gapped, and sealing strip does not paste instead, and the surface does not speckle with glue.
(3) the spud pile position is cleaned out. fill up a foaming flexible plastic, and then cover one deck plastic film.
(4) will carry out the assembly unit of mould behind mold bottom and the even brushing releasing agent of inner surface, find that in the assembly unit process mould splicing place is apertured, must rectify and improve, in order to avoid cause spillage when building.
(5) mould that assembly unit is good is carefully lifted a centre position that is put into the stake position, shakes mould then gently, when finding the bottom out-of-flatness, uses sieve and goes the thin yellow ground of stone to level up, bottom spillage not when guaranteeing to build.
(6) by cement: medium sand: the rubble weight ratio is 1: (3~5): (7~10), take by weighing in cement, medium sand, the rubble input concrete mixer and stir (30~60) second, add pipe pile wastewater slurry then while stirring, the quantity that cement mortar adds so that the slump of concrete mix be as the criterion for (30~120) mm, wet-mixing again (30~60) second, make concrete mix;
(7) in the time of will meeting concrete mix that match ratio requires and put into mould (20-30) centimetre, begin to vibrate with vibrating head, vibrate to the centre position that mould occurs vibrating head being placed on behind the horizontal plane, continue reinforced, treat that horizontal plane arrives when turning round the centimetre left and right sides, top, the middle inclined-plane of king's piece following (4-6), stop to feed in raw material, and vibrate and turn round two inclined-planes in the middle of king's piece, up to no bubble effusion.
(8) mold cleaning, assembly unit, receipts light etc. of turning round king's piece require identically with four pin hollow blocks, and bottom using steel plate and foamed plastic plate are leveled up sealing.
(9) hollow block should feed intake by two opening parts in turn at the top, and shakes simultaneously with two shock clubs and to smash, and guarantees that concrete is horizontal plane and rises.The rate of feeding that will slow down when horizontal plane arrives mould inclined-plane and horizontal level soon fully vibrates, and concrete is the level of state by the inclined-plane and the horizontal level of mould.
2. produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks according to the described pipe pile wastewater slurry that utilizes of claim 1, it is characterized in that, in step (6), can also add additive.
3. produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks according to the described pipe pile wastewater slurry that utilizes of claim 2, it is characterized in that described additive comprises one or more mixtures in set retarder, retardation water reducing agent, efficient retarding and water reducing agent, waterproofing agent, antifreezing agent, the pumping admixture.
4. produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks according to the described pipe pile wastewater slurry that utilizes of claim 1, it is characterized in that described pipe pile wastewater slurry substitutes Binder Materials amount 〉=20% in the concrete mix.
5. produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks according to the described pipe pile wastewater slurry that utilizes of claim 1; it is characterized in that; in work progress, it should be noted that in the described step (7): vibrating head is placed on the centre position; reinforced at a slow speed; guarantee the concrete rising that is the level of state, when treating that horizontal plane arrives the top of turning round inclined-plane in the middle of king's piece, can accelerate charging rate; up to filling it up with material, vibrate, receive light more routinely.
6. produce the method that conservancy concrete is turned round king's piece and four pin hollow blocks according to the described pipe pile wastewater slurry that utilizes of claim 1, it is characterized in that in described step (9), hopper will be aimed at the mould centre position when feeding intake, do not allow material trickle down in the mould outside; The operating personnel keeps a safe distance with hopper all the time.
CN2007100384073A 2007-03-23 2007-03-23 Method for producing water conservancy concrete wrest block and four-pin hollow block by using pipe pile wastewater slurry Expired - Fee Related CN101269519B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102887676A (en) * 2012-09-04 2013-01-23 青岛磊鑫混凝土有限公司 C30 concrete prepared from high-concentration concrete waste slurry water
CN103641403A (en) * 2013-12-09 2014-03-19 湘阴县顽石再生科技有限公司 Resource-saving recycled cement concrete
CN104985673A (en) * 2015-07-13 2015-10-21 白波 Accropode mold

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1254445C (en) * 2003-08-07 2006-05-03 上海新型纺纱技术开发中心 Method and apparatus for concrete waste mortar treatment and reuse
CN100335257C (en) * 2004-05-09 2007-09-05 中山市三和建材有限公司 Novel circulating use method for residual grout of PHC pipe pile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102887676A (en) * 2012-09-04 2013-01-23 青岛磊鑫混凝土有限公司 C30 concrete prepared from high-concentration concrete waste slurry water
CN103641403A (en) * 2013-12-09 2014-03-19 湘阴县顽石再生科技有限公司 Resource-saving recycled cement concrete
CN104985673A (en) * 2015-07-13 2015-10-21 白波 Accropode mold

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