CN1108990A - Non-fired porous slag blicks used as bearing construction and their molding technique - Google Patents
Non-fired porous slag blicks used as bearing construction and their molding technique Download PDFInfo
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- CN1108990A CN1108990A CN 94110148 CN94110148A CN1108990A CN 1108990 A CN1108990 A CN 1108990A CN 94110148 CN94110148 CN 94110148 CN 94110148 A CN94110148 A CN 94110148A CN 1108990 A CN1108990 A CN 1108990A
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Abstract
The non-fired porous brick for bearing wall is made up of waste industrial dregs (40-75%), coarse aggregate (15-35%), adhesive (10-25%), additive (2-5%) and water (residual) through shaping at 15-20 MPa with mould composed of external and core moulds, supporter and top pressing cover, and natural or steam curing, and features low cost, light weight and good thermal insulation.
Description
The present invention relates to unburned porous bearing wall brick and mould and preparation method, belong to building material field.
Along with the development of capital construction, the consumption of materials for wall and bearing bricks thereof increases year by year.But the materials for wall of China based on the sintering common brick, accounts for more than 90% always.Cause to take a large amount of farmlands, waste energy, even destroy the ecological balance.In recent years, (size 240 * 115 * 175,390 * 190 * 190mm) appearance have become the emphasis of wall reform to the waste residue wall body brick.Its architectural feature of unburned non-load bearing tile is that hollow rate accounts for about 42%, two holes, it is only as the wall frame filler, its composition mainly adopts slag and cement to make, its raw material of this brick, excellent its is that the slag source is nervous, further popularization production is restricted, and solid industrial residue wall body brick, particularly unburned standard brick, though be sharp useless project, its drying shrinkage big (greater than 0.5mm/m), frost resistance poor (18 ℃ freezing 2 hours, 15 still decortications repeatedly in 20 hours in ℃ water then+20) and masonry strength are low.These problems do not have fine solution at present, make it production and overall application and are restricted.
The objective of the invention is to utilize industrial residue to make and have the unburned porous bearing wall brick of porous, lightweight, energy-saving effect, and component prescription and the mould and the manufacture craft technology thereof of this wall body brick are provided.
Basic design of the present invention is, raw materials for production should enrich, cheaply, make full use of industrial residue, component prescription is reliable, and manufacture craft is simple, and has a sleeve forming mould to use so that the moulding of this unburned porous bearing wall brick, this mould can use separately and carry out manual operations, can carry out mechanized operation again, (as utilizing existing friction pressure brickmaking machine etc.), also can utilize this mould otherwise designed quantity-produced equipment to make this wall body brick.
Industrial residue that the present invention utilizes is made unburned porous bearing wall brick and forming technique thereof, and its brick shape feature is, is penetrated with 1 at two big faces of symmetry of polyhedron wall body brick and is holes that single row or the plum blossom shapes arranged distribute to a plurality of more.
Prescription of the present invention (percetage by weight, down with) feature is, industrial residue is 40～75%, and coarse aggregate is 15～35%, and binding agent is 10～25%, and other adds 2～5% additive and an amount of being easy to makes the body formed water of brick.
The moulding of the technology of the present invention be by loose tool [1] partly, the mould heart (comprising vent stem [2], increased pressure board [3]) partly, carry out on the mould partly formed of supporting (sitting [6] and bracing frame [7] at the bottom of sitting [4], boosting-rod [5], boosting-rod at the bottom of comprising vent stem) part and upper press cover [8].This forming die structure feature is, its increased pressure board [3], sit [6] keeping parallelism mutually at the bottom of sitting [4] and boosting-rod at the bottom of the vent stem, boosting-rod [5] is by sitting the slide opening [11] on [4] at the bottom of the vent stem, its two ends vertically are fixed in increased pressure board [3] and two terminations sitting [6] at the bottom of the boosting-rod respectively, vent stem [2] one end is by the round [12] on the increased pressure board [3], sit on [4] at the bottom of vertically turning on vent stem in parallel to each other admittedly, when seat [4] is gone up at the bottom of loose tool [1] is installed in vent stem, core rod just in time is among the cavity of loose tool [1], and increased pressure board [3] can move up and down in the cavity of loose tool [1] along vent stem [2].Loose tool [1] is to sit on [4] at the bottom of eyelet [10] on [4] is fastened on vent stem with sitting at the bottom of the vent stem with the groove [9] of screw by two ends on it.Bracing frame [7] is in sits two terminations between the seat [4] at the bottom of [6] and the vent stem at the bottom of the boosting-rod, and upper press cover [8] is in the top of loose tool [1].
The manufacture craft feature is, the raw material that proportioning is good, pour in the stirred tank, after adding can make an amount of water of its moulding again, carry out stir mixing and be no less than 30 minutes, then, pour out and carry out rolling more than 30 minutes, taking-up is placed in the mould, and upper press cover [8] is placed on loose tool [1] top, at this moment, remove bracing frame [7],, make its moulding upper press cover [8] and relative pressure that adds 15～20MPa of seat [6] while at the bottom of the boosting-rod, then, remove upper press cover [8], fixedly sit [4] at the bottom of the vent stem and continue to release the mould brick body sitting [6] application of force at the bottom of the boosting-rod, at last, this brick body was carried out natural curing 28 days or adopt steam curing, its method is under 50 ℃～300 ℃ saturation vapour pressures, heats 2 hours, be incubated 8 hours, it is stand-by to become finished product in 2 hours with the stove cooling again.
Utilize industrial residue to make unburned porous bearing wall brick and forming technique thereof, it is further characterized in that, two big faces of symmetry of polyhedron wall body brick can be rectangle, square, rhombus, polygonal, circle and oval; By two symmetrical big holes of being run through, when number is less than 3 holes, can be single row in-line distributes, should be many row plum blossom shapes during more than 3 holes distributes, the section configuration in this hole, according to the number of brick body opening, the section configuration by vent stem [2] decides at last, and it can be circle, ellipse, triangle, rhombus and square and rectangle, be generally circle.Non-circular and non-oval-shaped hole must be added with fillet.
Binding agent in the present invention's prescription can adopt inorganic material or organic material, and inorganic material comprises cement, lime, waterglass, phosphate, magnesia etc., and organic material comprises polybutadiene, silane, urea aldehyde, phenolic resins, acrylamide etc.For convenient formation or to improve the coarse aggregate that mechanical performance index adds be to comprise sand, breeze, various mine tailings etc.The granularity of industrial residue also can not add coarse aggregate when thick, and directly with thicker industrial residue, binding agent, additive batching.
When using the present invention to fill a prescription, it is further characterized in that, what of the addition of industrial residue, quality on its waste residue is decided, if industrial residue is of low quality, carbon content is excessive (at this moment, can be used to make the low grade brick) time, then should take off limit, at this moment, other compositions are that coarse aggregate and binding agent are then answered capping accordingly, if phosphorus content is few in the industrial residue, then the addition of industrial residue is answered capping in the batching, and at this moment, the addition of coarse aggregate, binding agent is then taken off limit.For the addition of binding agent, except that considering to add the amount of coarse aggregate and industrial residue, also should consider the label of binding agent itself, in other words, the big adhesion strength height of the trade mark of binding agent is (as 600# cement, 525kg/cm
2) then can add less a bit, take off limit, otherwise adhesion strength low (as 325# cement) then can be added some capping.Additive is decided by the height of its purity, and the purity height then takes off limit, the low then capping of purity, general desirable its mean value.Best values is that industrial residue is 50～60% in the prescription, and coarse aggregate is 20～25%, and binding agent is 15～20%, and additive is 2～3%, and water yield Ying Yineng is advisable the batching molding bonded.If the granularity of industrial residue is thicker, then can not add coarse aggregate, all use the binding agent of industrial residue and above-mentioned quantity, additive and the water of its moulding is prepared burden.
Additive described in the prescription generally includes CaCl
2, NaCl, Na
2SO
4, Na
2CO
3, CaSO
4, Na
2O.nSiO
2, close, the lignin semi-annular jade pendant acid calcium (this calcium) of NaOH, stannous chloride, sodium aluminate, triethanolamine, silester, rosin soap, sugar, glyoxal, phosphoric acid, wooden amine, chrome lignin, acrylamide etc.When using the additive of these kinds, following consideration should be arranged:, then add additive, as CaCl with early strength function if 1. the wall body brick of made needs epistasis (what intensity increased when being moulding is fast) early
2, Na
2SO
4, Na
2O.nSiO
2Deng, if 2. the wall body brick of made needs water reducing ability, then add the additive of water reducing ability, as close, the wooden amine of sugar, lignin etc.If 3. the wall body brick of made need improve frost resistance, then should add NaCl
2, triethanolamine etc.
In the present invention's prescription, do not adopt CuSO
4.2H
2O.
What manufacture craft of the present invention should further specify is, when adopting steam curing, generally maintenance can meet the demands under low temperature (promptly 50 ℃) steam pressure, if when the life requirement of brick body is high especially, then should adopt maintenance under high temperature (promptly 100～300 ℃) saturation vapour pressure.
Mould of the present invention is further characterized in that, the size of increased pressure board [3], should match with the size of the inner chamber horizontal section of loose tool [1], resistance is little when guaranteeing increased pressure board [3] level moves up and down loose tool [1] in, and difficult again because of there being bigger gap to leak material.And the height of bracing frame [7], must not be less than the height of loose tool [1].The length of vent stem [2] generally should equal the height of loose tool [1], promptly when upper press cover [8] be pressed in loose tool [1] above the time, the upper end of vent stem [2] (being free end) just in time contacts with the lower edge outer surface (being the bottom surface of upper press cover [8]) of upper press cover [8].
Adopt this mould, it is as follows to operate its process during work by hand: at first the forming device module is installed, two bracing frames [7] are placed on and sit [4] and two terminations between the seat [6] at the bottom of the boosting-rod at the bottom of the vent stem, make and to sit the height that [4] supporting needs at the bottom of the vent stem, then, dosing in loose tool [1] just in time is the batching of a brick quantity, upper press cover [8] is placed on loose tool [1] top, remove bracing frame [7] (at this moment, sit [4] at the bottom of the vent stem and can not fall) because filler increases frictional force, afterwards, at the bottom of the upper press cover [8] of loose tool [1] and boosting-rod, sit [6] relative pressurization simultaneously, at this moment, increased pressure board [3] just moves up along vent stem [2] under the effect of boosting-rod [5], when the thickness of filler compacting regulation when (can be shown by scale or numeral), is stopped pressurization, remove upper press cover [8], sitting [4] at the bottom of loose tool [1] and the vent stem maintains static, at the bottom of boosting-rod, sit [6] again and continue pressurization, at this moment, under the effect of pressure rod [5], increased pressure board [3] is continued along moving on the vent stem [2], at last, the brick body is released from loose tool [1], moved on to and carry out maintenance elsewhere, repeat above-mentioned action again, just can produce another piece wall body brick, so analogize, just can continue the body formed processing of brick.
If its process adopts mechanized operation, then bracing frame [7] and upper press cover [8] do not need to set up separately, but above-mentioned each action mechanized operation.
The major advantage of the technology of the present invention is 1. to make full use of industrial residue, environment purification, 2. price is cheap more about 1/3 than existing bearing bricks, and 3. this wall body brick has load-bearing, lightweight, insulation, energy-conservation superperformance, if identical in load-bearing, keep under the same indoor temperature condition, wall thickness then can reduce 20%, reduces weight more than 10%, 4. because the brick body is light, the size of brick can be increased, thereby the speed of application 30% of building a wall can be increased.
Be description of drawings of the present invention below
Fig. 1 is loose tool [1] perspective view of mould of the present invention.Its inside is the hexahedral cavity that an above and below is opened wide, and two terminations of lower limb have a groove [9] and sit the round [10] on [4] with standby screw at the bottom of by vent stem and fix with seat [4] at the bottom of the vent stem.
Fig. 2 is the core rod perspective view of mould of the present invention.It is a plate (being referred to as to call increased pressure board [3]) of putting into the eyelet that has difformity and arrangement [2] of loose tool [1] cavity an energy level, form with the vent stem that passes these eyelets [12] [2], during assembling, these vent stems [2] all are parallel to each other sits above [4] at the bottom of separately an one termination being vertically fixed on vent stem.
Fig. 3 is the supporting part assembling perspective view of mould of the present invention.Two boosting-rods [5] are by sitting two the relative slide openings [11] on [4] at the bottom of the vent stem, two termination respectively with increased pressure board [3], it is vertically affixed to sit [6] at the bottom of the boosting-rod, promptly sits seat [6] keeping parallelism at the bottom of [4] and the boosting-rod at the bottom of increased pressure board [3], the vent stem.At the bottom of vent stem, sit [4] two ends and also be provided with two pin-and-holes [10], in order to fastening with screw with the groove [9] of loose tool lower edge.And bracing frame [7] can be according to the gauge of brick, promptly sits [4] at the bottom of the vent stem and selects the size height with the height of sitting at the bottom of the boosting-rod between [6], is added to and sits two terminations between the seat [6] at the bottom of [4] and the boosting-rod at the bottom of the vent stem.
Fig. 4 is bracing frame [a 7] perspective view.Its shape does not have substantive meaning, but its height should be less than the height of loose tool [1].
Fig. 5 is core rod part of the present invention and supporting part combination (for the position of knowing bracing frame [7] dots) perspective view.Find out among the figure to sit at the bottom of increased pressure board [3], the vent stem and sit [6] at the bottom of [4], the boosting-rod and be parallel to each other, and vertical these three parallel surfaces of boosting-rod [5], by the slide opening of sitting at the bottom of the vent stem [11], two terminations are affixed with seat [6] at the bottom of increased pressure board [3] and the boosting-rod respectively.A plurality of vent stems [2] by regularly arranged eyelet [12] above the increased pressure board [3] be parallel to each other the one end is vertically fixed on vent stem at the bottom of sit on [4], what be represented by dotted lines then is the position of bracing frame [7].The height of bracing frame [7] can determine to sit at the bottom of the vent stem upper-lower position of [4].Can control the thickness of what or brick of the batching adorned in the loose tool.
Fig. 6 is upper press cover [8] schematic perspective view of mould of the present invention.It is a framework of being convenient to manual pressing brick face, and its shape does not have in all senses.
Fig. 7 is the another kind of form schematic perspective view of loose tool of the present invention [1].This structure is convenient to a plurality of loose tools [1] continuous operation simultaneously.
Fig. 8 is the three-dimensional part cross-sectional schematic in mould assembling of the present invention back (for clearly expressing the relation of loose tool, core rod and supporting, draw in the upper press cover end).The part vent stem [2] and the increased pressure board [3] that demonstrate core rod among the figure are in the cavity of loose tool [1], loose tool [1] is sat on [4] at the bottom of then being fastened on vent stem by groove [9] and eyelet [10] with screw, at the bottom of sitting [4] and boosting-rod at the bottom of the vent stem, sit two terminations between [6], be placed with bracing frame [7], boosting-rod [5] is by slide opening [11], its two ends vertically are fixed in two terminations sitting [6] and increased pressure board [3] at the bottom of the boosting-rod, and vent stem [2] is to sit at the bottom of the vent stem on [4] by vertical and well-regulated being fixed in of round [12] one end, sitting [4] at the bottom of the vent stem when maintaining static, to sitting [6] application of force at the bottom of the boosting-rod, increased pressure board [3] can move up and down in the inner chamber of loose tool [1] and finishes the task of making and releasing the moulding wall body brick just under the effect of boosting-rod [5].
Embodiments of the invention are as follows:
(size 240 * 11.5 * 90mm) is an example, and its batching and forming process are described to make unburned porous load-bearing 100# wall body brick with industrial residue (flyash).
At first prepare burden (percentage by weight, down together)
Industrial residue: (flyash) gets 60%
Sand: 23%
Cement: 17%
Add additive 3%(in addition wherein, Na
2SO
42%, wooden calcium 0.2%, triethanolamine 0.05%, CaCl
20.75%) adds an amount of water again.
The vent stem number that present embodiment adopted is 20, and the vent stem section is rounded, and the height of vent stem is 250mm, diameter of phi 18, vent stem [2] is three rows, and middle row is 6, both sides rows is 7, and the downward projection that the axis of each vent stem is sat at the bottom of to vent stem is the plum blossom shape and distributes.Loose tool height 250mm.
Highly, 250mm bracing frame [7] sits [6] and two terminations between the seat [4] at the bottom of the vent stem at the bottom of the boosting-rod with two for being placed on, sit above [4] at the bottom of again loose tool [1] being placed on vent stem, and the core rod that it is made up of vent stem [2] and increased pressure board [3], just in time be in the loose tool [1],, fastening with seat [4] at the bottom of the vent stem with screw loose tool [1] by groove [9] on loose tool [1] lower edge and the eyelet of sitting at the bottom of the vent stem on [4] [10].Then, with above-mentioned batching, in stirred tank, stirred 30 minutes, make it even, carried out rolling again 30 minutes, then, add in the above-mentioned mould, upper press cover [8] is placed on loose tool [1] top of mould by the need material amount of brick, remove bracing frame [7], sit [6] relative pressure that applies 15MPa simultaneously to upper press cover [8] and at the bottom of the boosting-rod, and keep the upper press cover position motionless, make and sit [6] at the bottom of the boosting-rod and move up, thereby under the transmission of boosting-rod [5], increased pressure board [3] moves up along vent stem [2] in loose tool [1], to the batching pressurization, when sitting at the bottom of the boosting-rod under [6] effect in power, on move on to and sit at the bottom of the vent stem [4] when contact, stop pressurization, owing to the effect that moves in increased pressure board [3] continuation, the brick body is released from loose tool [1] top, when brick body bottom surface is concordant with plane on the loose tool [1], again the brick body is pushed to a side and shifted the elsewhere, carry out the processing and making process of next brick body again.The brick body natural curing that making is finished 28 days, the use of dispatching from the factory.
Claims (10)
1, a kind of industrial residue that utilizes is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that:
A. two big faces of symmetry at the polyhedron wall body brick are penetrated with 1 to a plurality of holes that are single row or the plum blossom shape distributions of arranging more,
B. be the wall body brick of primary raw material with the industrial residue, its prescription (percentage by weight, down together) is:
Industrial residue is: 40～75%,
Coarse aggregate is: 15～35%,
Binding agent is: 10～25%
Other adds, and additive is: 2～5%,
And be easy to the water that makes brick body formed in right amount,
C. by loose tool [1], core rod (comprises vent stem [2], increased pressure board [3]), supporting (is sat [4] at the bottom of comprising vent stem, boosting-rod [5], sit [6] and bracing frame [7] at the bottom of the boosting-rod) and the mould partly formed of upper press cover [8], its increased pressure board [3], sit [6] keeping parallelism mutually at the bottom of sitting [4] and boosting-rod at the bottom of the vent stem, boosting-rod [5] is by sitting the slide opening [11] on [4] at the bottom of the vent stem, its two ends vertically are fixed in increased pressure board [3] and two terminations sitting [6] at the bottom of the boosting-rod respectively, vent stem [2] one end is by the round [12] on the increased pressure board [3], sit on [4] at the bottom of vertically being fixed in vent stem in parallel to each other, when seat [4] is gone up at the bottom of loose tool [1] is installed in vent stem, core rod just in time is among the cavity of loose tool [1], and, increased pressure board [3] can move up and down in the cavity of loose tool [1] along vent stem [2], bracing frame [7] is in sits two terminations between the seat [4] at the bottom of [6] and the vent stem at the bottom of the boosting-rod, upper press cover [8] is in the top of loose tool [1]
D. manufacture craft is, the raw material that proportioning is good is poured in the stirred tank, add and carry out stir mixing behind an amount of water and be no less than 30 minutes, then, rolling is more than 30 minutes, put into mould again, upper press cover [8] is placed on loose tool [1] top, at this moment, removes bracing frame [7], simultaneously relative afterburning 15～20MPa with seat [6] at the bottom of the boosting-rod makes its moulding to upper press cover [8], then, remove upper press cover [8], continue to release the mould brick body sitting [6] application of force at the bottom of the boosting-rod, at last, this brick body placement elsewhere was carried out natural curing 28 days or adopted steam curing, and its method is under 50～300 ℃ of saturation vapour pressures, heats 2 hours, be incubated 8 hours, can dispatch from the factory stand-by in 2 hours with the stove cooling again.
2, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, two big faces of symmetry of polyhedron wall body brick can be rectangle, square, rhombus, polygonal, circle and oval.
3, the industrial residue that utilizes according to claim 1 and 2 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, the hole that the polyhedron wall body brick is run through by two big faces of symmetry, when number is less than 3 holes, can be the single file in-line distributes, during more than 3 holes, should be many row plum blossom shapes distributes, the section configuration in its hole is decided by the section configuration of vent stem [2], can be circle, ellipse, rhombus, triangle, square and rectangle, be generally circle, non-circular or non-oval-shaped hole must be added with fillet.
4, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, binding agent in its prescription can adopt inorganic material or organic material, inorganic material comprises cement, lime, waterglass, phosphate, magnesia etc., organic material comprises polybutadiene, silane, urea aldehyde, phenolic resins, acrylamide etc., for convenient formation or improve mechanical performance index and the coarse aggregate that adds, comprise sand, breeze, various mine tailings etc., coarse aggregate can not add yet when the granularity of industrial residue was thick.
5, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, each component ratio in the prescription, general best industrial residue is 50～60%, coarse aggregate is 25～30%, binding agent is 15～20%, the additive 2～3% and the water yield that is easy to moulding.
6, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that additive is:
CaCl
2, NaCl, Na
2SO
4, Na
2CO
3, CaSO
4, Na
2O.nSio, NaoH, stannous chloride sodium aluminate, triethanolamine, silester, rosin soap, sugar are close, lignin semi-annular jade pendant acid calcium, glyoxal, phosphoric acid, wooden amine, sulphur lignin, chrome lignin, bright alkene acid amides etc.
7, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, when manufacture craft adopts steam curing, general low-temperature steam is depressed maintenance and can be met the demands, if when the life requirement of brick body is high especially, then should adopt maintenance under the high temperature saturation vapour pressure.
8, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, the size of increased pressure board [3], should match with the size of the inner chamber horizontal section of loose tool [1], resistance was little when level moved up and down in loose tool [1] with assurance increased pressure board [3], and was difficult for because of there being bigger gap to leak material again.
9, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that, the height of bracing frame [7] must not be less than the height of loose tool [1].
10, the industrial residue that utilizes according to claim 1 is made unburned porous bearing wall brick and forming technique thereof, it is characterized in that the length of vent stem [2] generally should equal the height of loose tool [1].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94110148 CN1108990A (en) | 1994-03-22 | 1994-03-22 | Non-fired porous slag blicks used as bearing construction and their molding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94110148 CN1108990A (en) | 1994-03-22 | 1994-03-22 | Non-fired porous slag blicks used as bearing construction and their molding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1108990A true CN1108990A (en) | 1995-09-27 |
Family
ID=5034136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94110148 Pending CN1108990A (en) | 1994-03-22 | 1994-03-22 | Non-fired porous slag blicks used as bearing construction and their molding technique |
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| CN100408291C (en) * | 2005-06-08 | 2008-08-06 | 郑州豫兴氮氧结合耐火材料有限公司 | Shaping device of holed refractory brick |
| CN102503263A (en) * | 2011-10-20 | 2012-06-20 | 沈阳建筑大学 | Building hollow brick using industrial tailings and preparation method thereof |
| CN102515670A (en) * | 2011-12-20 | 2012-06-27 | 镇江韦岗铁矿有限公司 | Method for preparing concrete non-burnt brick from iron tailings |
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-
1994
- 1994-03-22 CN CN 94110148 patent/CN1108990A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100408291C (en) * | 2005-06-08 | 2008-08-06 | 郑州豫兴氮氧结合耐火材料有限公司 | Shaping device of holed refractory brick |
| CN102503263A (en) * | 2011-10-20 | 2012-06-20 | 沈阳建筑大学 | Building hollow brick using industrial tailings and preparation method thereof |
| CN102503263B (en) * | 2011-10-20 | 2014-06-11 | 沈阳建筑大学 | Building hollow brick using industrial tailings and preparation method thereof |
| CN102515670A (en) * | 2011-12-20 | 2012-06-27 | 镇江韦岗铁矿有限公司 | Method for preparing concrete non-burnt brick from iron tailings |
| CN103612322A (en) * | 2013-10-16 | 2014-03-05 | 甘昌成 | Split inserting type hole forming die and device and automatic manufacturing method of perforated brick of split inserting type hole forming die |
| CN103612322B (en) * | 2013-10-16 | 2015-12-09 | 甘昌成 | Divide the automated manufacturing method of type pore-forming mold, socket type pore-forming and device and porous brick thereof |
| CN104960073A (en) * | 2014-02-21 | 2015-10-07 | 中国建筑材料科学研究总院 | Production method using production die to make compound building block |
| CN104960073B (en) * | 2014-02-21 | 2017-04-05 | 中国建筑材料科学研究总院 | A kind of utilization production mould processes the production method of combined type building block |
| CN104876640A (en) * | 2015-05-15 | 2015-09-02 | 蚌埠营军新型墙体材料有限公司 | Light environment-friendly unfired hollow brick and preparation method thereof |
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