CN102826801B - Production technology of self-heat preservation heat insulation concrete building block and building block inner core filling material - Google Patents
Production technology of self-heat preservation heat insulation concrete building block and building block inner core filling material Download PDFInfo
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- CN102826801B CN102826801B CN201210353672.1A CN201210353672A CN102826801B CN 102826801 B CN102826801 B CN 102826801B CN 201210353672 A CN201210353672 A CN 201210353672A CN 102826801 B CN102826801 B CN 102826801B
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Abstract
The invention discloses a production technology of a self-heat preservation heat insulation concrete building block and a building block inner core filling material. The building block inner core filling material provided by the invention comprises the following components by weight percent: 33%-36% of cement, 1%-3% of refined lime, 0.3-0.9% of polymeric additive, 61%-65% of water, and air-containing mixing slurry obtained by adding the air of which the volume is 69%-73% of the volume of the mixing slurry by an air compressor in the process of mixing. The production technology comprises following steps of: fully pouring the air-containing slurry into two holes of the concrete hollow building block which reaches the early strength by means of charging, stirring and grouting, and transporting the obtained finished product into a curing kiln to be cured, so that two different concrete products are combined into a whole, and the product is the self-heat preservation heat insulation concrete building block. The self-heat preservation heat insulation concrete building block provided by the invention has good functions of heat preservation, heat insulation, fire prevention and sound insulation, so that not only can the technical requirements of various constructional engineering non-bearing wall bodies be met, but also the technical requirements of the bearing wall bodies can be met.
Description
Technical field
The invention belongs to concrete segment production technical field, be specifically related to a kind of self-heat preservation heat insulation concrete segment production technique and building block inner core packing material.
Background technology
Along with carrying out in a deep going way of Building Energy-saving Work, the demand of building heat preservation heat-insulation wall material is also constantly increased.Conventionally the wall thermal insulating provision for thermal insulation adopting in the market has interior insulation, outer insulation and self-heat conserving.Conventional inside and outside lagging material mainly contains thermal insulation mortar, styrofoam (extruded sheet), multicellular glass etc.The inside and outside Insulation of body of wall is all to carry out the heat preservation construction of body of wall after base course wall construction finishes again, and this way has increased by a procedure on traditional structure construction basis, has extended the duration.Body of wall disposable requirement that completes building wall and heat insulating in thermal-insulating system can the process of construction in project, construction technology is simple, using standard standard is complete complete, and the thermal-insulating system life-span is identical with building life, non-maintaining and avoid renewal to bring new environmental pollution and fund waste are the main directions of wall thermal insulating heat-insulating technique development.
In the materials for wall generally using in the market, only have air-entrained concrete building block and haydite building block as wall can meet the self-heat preservation heat insulation requirement of external wall.But gas concrete material has larger water-intake rate, once body of wall produces crack, moisture will be entered in aerated concrete block work by place, crack, the thermal and insulating performance of wall of aerated concrete block will be reduced greatly, and production cost is high, the investment of founding the factory is large, builds by laying bricks or stones and plaster all must adopt dedicated mortar, affects its spread at exterior wall and uses.Figuline building blocks production cost is also higher, and the production of haydite is used clay to fire at present mostly, consumes clay resource and produces carbonic acid gas, and environment is caused to disadvantageous effect.
Exploitation along with the deep and technology of studying, the structure and the form that are used for the self-heat preservation heat insulation concrete segment of building outer wall material are updated, and have occurred that by hollow concrete building block, recharging special blocks inner core material is processed into the self-heat preservation heat insulation concrete segment of one through maintenance.
Summary of the invention
First object of the present invention is to provide a kind of new self-heat preservation heat insulation concrete segment inner core packing material.Concrete segment inner core packing material of the present invention is that the raw material of certain proportioning is mixed into slurry, is incorporated as the gassiness mixed slurry of the air gained of mixed slurry volume 69%～73% in mixing process with air compressor machine simultaneously; Wherein, the component of described raw material and quality percentage composition are respectively: cement 33%～36%, refined lime 1%～3%, polymeric additive 0.3%～0.9%, water 61%～65%.
More particularly, described polymeric additive consists of tea saponin and triterpenoid saponin, and its mass percent is respectively 50%.
Second object of the present invention is to provide the production technique containing the concrete segment of above-mentioned self-heat preservation heat insulation concrete segment inner core packing material, and it comprises the step of following order:
(1) preparation of self heat insulation concrete hollow block: first stir and prepare low slump concrete according to the product standard of the relevant concrete segment of country, through block machine, low slump concrete is produced into concrete hollow block again, then concrete hollow block is sent into curing kilns maintenance, maintenance kiln temperature is 30 ℃～50 ℃, humidity absorbs saturated being as the criterion with building block, through cyclic steam maintenance in 8 ~ 10 hours, make product reach 75% early strength;
(2) preparation of self-heat preservation heat insulation concrete segment inner core packing material: the raw material of following component and quality percentage composition is mixed into slurry: cement 33%～36%, refined lime 1%～3%, polymeric additive 0.3%～0.9%, water 61%～65% add the gassiness mixed slurry of the air gained of mixed slurry volume 69%～73% to be concrete segment inner core packing material with air compressor machine in mixing process simultaneously;
(3) preparation of self-heat preservation heat insulation concrete segment: the concrete hollow block that reaches early strength described in step (1) is passed through to material loading, stir, grouting is watered full step (2) gained gassiness mixed slurry by concrete hollow block two holes, then gained finished product is sent into curing kilns maintenance again, maintenance kiln temperature is 30 ℃～50 ℃, through cyclic steam maintenance in 8 ~ 10 hours, the gassiness mixed slurry of concrete hollow block inner core pouring forms light weight concrete, two kinds of different concrete products are combined as a whole, products obtained therefrom is self-heat preservation heat insulation concrete segment.
More particularly, the described curing kilns of step (1) and step (3) adopt at its top and two bottom sides installs four high-pressure water pipe, one group of atomizing nozzle is evenly installed in every high-pressure water pipe, it is the hot water of 65 ℃～70 ℃ that the topping-up pump being connected with high-pressure water pipe provides homo(io)thermism, thereby make to be evenly full of by hot water atomized water vapor in curing kilns, form existing certain temperature, have again environment in the kiln of enough moistures, concrete segment intensity is increased quickly, reach maintenance object.
Further, the described maintenance processes of step (1) and step (3) is specially: self-heat preservation heat insulation concrete segment is closed two ends wicket after producing kiln filling, first quiet stopping 3 hours, then open the hot water water intaking valve of curing kilns, start hot water topping-up pump and make the atomizing nozzle of high-pressure water pipe by hot water atomized one-tenth water vapor, each time is 3 minutes; At interval of 1 hour, again start the spraying of hot water topping-up pump later, carry out altogether 5～8 circulation technology operations, thereby complete the maintenance operation of building block in curing kilns.
The present invention makes self-heat preservation heat insulation concrete segment by filling the inner core packing material of unique formula in concrete hollow block, avoided that air-entrained concrete building block exists because water-intake rate height easily enters the defect that moisture affects its thermal and insulating performance, also avoided the problem of figuline building blocks because of a large amount of clays of need consumption and generation carbon dioxide pollution environment.Simultaneously; adopted unique hot water atomized maintaining process; as long as water temperature is warmed to 65 ℃～70 ℃; both saved a large amount of energy; stop again traditional use boiler and produced former consumption of coal or power consumption and the potential safety hazard that the vapor cure of steam brings; avoided again the discharge of the objectionable impuritiess such as carbonic acid gas, sulfurous gas, flue dust, effectively protected environment simultaneously.
By experiment and check, self-heat preservation heat insulation concrete segment of the present invention has the function of excellent insulation, heat insulation, fire prevention, sound insulation; It can replace traditional polyphenyl plate heat preserving technique and the heat preservation method of thermal insulation mortar completely, can replace the use of traditional materials for walls such as gas concrete, clay brick, shale brick completely, the technical requirements of various construction work non-bearing wall bodies can be met, the technical requirements of bearing wall can be met again.After testing, test product property indices all meets or exceeds relative national standards.
Accompanying drawing explanation
Fig. 1 is the structural representation of the curing kilns in the embodiment of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Embodiment 1:
The preparation of self-heat preservation heat insulation concrete segment inner core packing material: get starting material cement 33Kg, refined lime 1.6Kg, tea saponin and each 0.2Kg of triterpenoid saponin, water 65Kg, utilize air compressor machine to add 69%(by the volume ratio of mixed slurry in four kinds of well-beaten processes of raw material) pneumatic blending becomes gassiness slurry.
The preparation of self heat insulation concrete hollow block: be first to stir into low slump concrete according to the product standard (GB8239-1997) of the relevant concrete segment of country, through DLQTY10-15 type block machine, be produced into concrete hollow block again, then enter curing kilns maintenance as shown in Figure 1, curing kilns temperature is 30 ℃～50 ℃, humidity absorbs saturated being as the criterion with building block, through cyclic steam maintenance in 8 ~ 10 hours, make product reach 75% early strength.
The preparation of self-heat preservation heat insulation concrete segment: the concrete hollow block that reaches early strength is watered to full gassiness slurry through material loading, stirring, grouting by concrete hollow block two holes by full-automatic grouting streamline, and then entering curing kilns maintenance as shown in Figure 1, maintenance kiln temperature is 30 ℃～50 ℃.Self-heat preservation heat insulation concrete segment is closed two ends wicket after producing kiln filling, and first quiet stopping 3 hours, then opens the hot water water intaking valve of curing kilns, starts hot water topping-up pump and makes the atomizing nozzle of high-pressure water pipe by hot water atomized one-tenth water vapor, and each time is 3 minutes; At interval of 1 hour, again start the spraying of hot water topping-up pump later, carry out altogether 5～8 circulation technology operations, thereby complete the maintenance operation of building block in curing kilns.Through cyclic steam maintenance in 8 ~ 10 hours, two kinds of different concrete product perfect adaptations are integrated; Because the slurry of inner core pouring, (unit weight is 170kg/m after cyclic steam maintenance in 8 ~ 10 hours, to form light weight concrete
3); This light weight concrete has the function of excellent insulation, heat insulation, fire prevention, sound insulation.
In the present embodiment, the structure of curing kilns as shown in Figure 1, curing kilns 1 are rectangular structure, outside curing kilns 1, be provided with water tank 2, water tank 2 inner tops are provided with water-level probe 3, the interior middle part of water tank 2 is provided with lower water-level probe 4, and the water inlet pipe 5 connecting on water tank 2 is connected with water pump 6, and water pump 6 is connected to well, upper water-level probe 3 is connected with water pump 6 with lower water-level probe 4 and controls its running, reaches the object of automatic control water tank 2 interior water levels.In the interior bottom of water tank 2, electricradiator 7 is installed, temperature inductor 8 is installed in water tank 2, temperature inductor 8 is connected with electricradiator 7 and controls its break-make, reaches the object of automatic control water tank 2 interior water temperatures, makes water temperature remain on 65 ℃～70 ℃.Top and two bottom sides in curing kilns 1 are provided with 4 high-pressure water pipe 9 altogether, and one group of atomizing nozzle 10 is evenly installed in every high-pressure water pipe; High-pressure water pipe 9 is connected with topping-up pump 11, and topping-up pump 11 is connected to water tank 2 bottoms.
The principle of work of curing kilns shown in Fig. 1 is, first the water in water tank is heated to 65 ℃～70 ℃, then use topping-up pump supercharging through atomizing nozzle by hot water atomization in curing kilns; Due to hot water moment atomization, the surface-area of water has increased thousands of times once, and the heat in hot water passes to ambient air medium very soon, and the temperature of curing kilns rises; The water smoke of atomization makes again airborne humidity in curing kilns improve simultaneously, in kiln, steam is tending towards saturated gradually, and the building block in kiln is automatic absorption moisture as required, builds existing certain temperature, has again environment in the kiln of enough moistures, concrete segment intensity increases quickly, reaches maintenance object.
Embodiment 2:
The preparation of self-heat preservation heat insulation concrete segment inner core packing material: get starting material cement 35Kg, refined lime 2.4Kg, tea saponin and each 0.3Kg of triterpenoid saponin, water 62Kg, utilize air compressor machine to add 71%(by the volume ratio of mixed slurry in four kinds of well-beaten processes of raw material) pneumatic blending becomes gassiness slurry.
Other preparation process of the present embodiment is identical with embodiment 1 with equipment used.
Embodiment 3:
The preparation of self-heat preservation heat insulation concrete segment inner core packing material: get starting material cement 36Kg, refined lime 2.2Kg, tea saponin and each 0.4Kg of triterpenoid saponin, water 61Kg, utilize air compressor machine to add 73%(by the volume ratio of mixed slurry in four kinds of well-beaten processes of raw material) pneumatic blending becomes gassiness slurry.
Other preparation process of the present embodiment is identical with embodiment 1 with equipment used.
Table 1 is test product of the present invention gained properties data and national standard synopsis after testing.
Table 1
Experimental basis: GB/T 24492-2009, GB/T10295-2008, GB/T13475-2008.
Claims (4)
1. a self-heat preservation heat insulation concrete segment inner core packing material, is characterized in that: the raw material of certain proportioning is mixed into slurry, is incorporated as the gassiness mixed slurry of the air gained of mixed slurry volume 69%～73% in mixing process simultaneously with air compressor machine; Wherein, the component of described raw material and quality percentage composition are respectively: cement 33%～36%, refined lime 1%～3%, polymeric additive 0.3%～0.9%, water 61%～65%;
Wherein, described polymeric additive consists of tea saponin and triterpenoid saponin, and its mass percent is respectively 50%.
2. containing a production technique for the concrete segment of self-heat preservation heat insulation concrete segment inner core packing material described in claim 1, it is characterized in that comprising the step of following order:
(1) preparation of self heat insulation concrete hollow block: first stir and prepare low slump concrete according to the product standard of the relevant concrete segment of country, through block machine, low slump concrete is produced into concrete hollow block again, then concrete hollow block is sent into curing kilns maintenance, maintenance kiln temperature is 30 ℃～50 ℃, humidity absorbs saturated being as the criterion with building block, through cyclic steam maintenance in 8 ~ 10 hours, make product reach 75% early strength;
(2) preparation of self-heat preservation heat insulation concrete segment inner core packing material: the raw material of following component and quality percentage composition is mixed into slurry: cement 33%～36%, refined lime 1%～3%, mass percent are respectively 50% tea saponin and triterpenoid saponin 0.3%～0.9%, water 61%～65%, add the gassiness mixed slurry of the air gained of mixed slurry volume 69%～73% to be concrete segment inner core packing material in mixing process with air compressor machine simultaneously;
(3) preparation of self-heat preservation heat insulation concrete segment: the concrete hollow block that reaches early strength described in step (1) is passed through to material loading, stir, grouting is watered full step (2) gained gassiness mixed slurry by concrete hollow block two holes, then gained finished product is sent into curing kilns maintenance again, maintenance kiln temperature is 30 ℃～50 ℃, through cyclic steam maintenance in 8 ~ 10 hours, the gassiness mixed slurry of concrete hollow block inner core pouring forms light weight concrete, two kinds of different concrete products are combined as a whole, products obtained therefrom is self-heat preservation heat insulation concrete segment.
3. the production technique of the concrete segment containing self-heat preservation heat insulation concrete segment inner core packing material according to claim 2, it is characterized in that: the described curing kilns of step (1) and step (3) adopt at its top and two bottom sides installs four high-pressure water pipe, one group of atomizing nozzle is evenly installed in every high-pressure water pipe, it is the hot water of 65 ℃～70 ℃ that the topping-up pump being connected with high-pressure water pipe provides homo(io)thermism, thereby make to be evenly full of by hot water atomized water vapor in curing kilns, form existing certain temperature, the interior environment of kiln that has again enough moistures, concrete segment intensity is increased quickly, reach maintenance object.
4. the production technique of the concrete segment containing self-heat preservation heat insulation concrete segment inner core packing material according to claim 3, it is characterized in that: the described maintenance processes of step (1) and step (3) is specially: self-heat preservation heat insulation concrete segment is closed two ends wicket after producing kiln filling, first quiet stopping 3 hours, then open the hot water water intaking valve of curing kilns, start hot water topping-up pump and make the atomizing nozzle of high-pressure water pipe by hot water atomized one-tenth water vapor, each time is 3 minutes; At interval of 1 hour, again start the spraying of hot water topping-up pump later, carry out altogether 5～8 circulation technology operations, thereby complete the maintenance operation of building block in curing kilns.
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