CN104999544A - Manufacturing method for concrete blocks - Google Patents
Manufacturing method for concrete blocks Download PDFInfo
- Publication number
- CN104999544A CN104999544A CN201510347786.9A CN201510347786A CN104999544A CN 104999544 A CN104999544 A CN 104999544A CN 201510347786 A CN201510347786 A CN 201510347786A CN 104999544 A CN104999544 A CN 104999544A
- Authority
- CN
- China
- Prior art keywords
- major ingredient
- concrete
- curing
- cement
- building block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
Abstract
A manufacturing method for concrete blocks mainly includes the following steps that a, materials are selected, wherein sand, aggregate and mining chippings are selected as main materials; b, the materials are mixed, wherein the materials and cement are jointly mixed and stirred in a concrete stirring system; c, compression molding is performed, wherein building blocks are formed through pressing of a molding press after the materials are mixed; d, damp and heat curing is performed, wherein the formed building blocks are subjected to damp and heat curing; e, finished products are stacked; and f, natural curing and factory inspection are performed, wherein after the finished products are stacked, inspection and factory leaving are performed after natural curing. In the step b, by weight, 75%-88% of the main materials, 12%-22% of the cement and 0-4% of pigments are added in the concrete stirring system; meanwhile, enough water is added; and all the materials are mixed and stirred together to be made into drenched mixtures. In the step c, the mixtures which are mixed and stirred are fed into the molding press with a mold and made into the building blocks through compression molding till slurry seeps out of the side surfaces of the building blocks. In the step of d, damp and heat curing is performed in an electric heating curing chamber, and an electric heater is installed in the electric heating chamber and automatically controlled by a temperature controller.
Description
Technical field
What the present invention relates to is a kind of preparation method of concrete segment, belongs to the fabricating technology field of construction material.
Background technology
In prior art, the application of concrete segment is quite universal, and the raw material sources made are wide, wide in variety, through inquiry, discloses the patented technology of various raw material composition and various preparation method in Chinese patent publication; But the constitutive material of these concrete segments existing is many and complicated, and manufacture craft is loaded down with trivial details, and cost of manufacture is high, easily produce environmental pollution etc.
Figure 1 shows that the manufacture craft of concrete segment comparatively advanced in prior art, it selects sand 11, aggregate 12 and mining chip 13 as major ingredient, deliver to hopper 14 by forklift and send into autoproportioner 15, compound tape transport 16 is sent into after being mixed together stirring with cement 18 in concrete-agitating system 17, building block is pressed into by moulding press 19, then by after steam hydrothermal curing 20, finished product piling 21, dispatches from the factory 23 finally by inspection after natural curing 22.Mainly there is following Railway Project in the making of above-mentioned concrete segment, one is that mix and blend takes dry stirring, then makes building block by mold pressing, but in steam hydrothermal curing process thereafter, the variable color because of the accumulation of salt in the surface soil (white); Two is Steam Heating maintenances, and firing rate is slow, lack of homogeneity, and the temperature of maintenance is higher, increases the consumption of energy; Three is that steam hydrothermal curing (temperature, time and humidity etc.) is wayward, and maintenance effect is poor, and the concrete segment yield rate made is low.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of process simple, reliable, reduce curing temperature, save maintenance cost, improve the making yield rate of concrete segment, meet environmental requirement, be convenient to the preparation method of the concrete segment realizing Automated condtrol.
The object of the invention is to have come by following technical solution, a kind of preparation method of concrete segment, it mainly comprises the steps:
A) select materials: select sand, aggregate and mining chip as major ingredient;
B) batch mixing: by being mixed together stirring with cement in concrete-agitating system;
C) compression molding: be pressed into building block by moulding press after batch mixing;
D) hydrothermal curing: by the building block after shaping through hydrothermal curing;
E) finished product piling;
F) natural curing and inspection are dispatched from the factory: after finished product piling, then check after natural curing and dispatch from the factory;
Described: in step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 75-88% major ingredient, 12-22% cement, 0-4% pigment; Also add simultaneously enough water be mixed together stir make compound wet through and through;
In step c), sending into the compound after mix and blend with compression molding in the moulding press of mould is building block, and till making the side surface of building block ooze out slurries;
In step d), hydrothermal curing carries out in electrical heating fog room, and the electric heater installed in electrical heating room is controlled automatically by temperature controller.
The present invention is preferably:
In step a), the weight proportion in major ingredient is: the sand of 20-30%, the aggregate of 25-35%, 35-55% mining chip; After described major ingredient is prepared burden in automatic doser, send in concrete-agitating system by conveyer belt;
In step c), compressing for leaving standstill at least 50 minutes after building block;
In step d), blower fan is installed in electrical heating fog room and carries out hot air circulation, and control temperature is at 30-35 DEG C, and be incubated 2-5 hours;
Carry out finished product piling after electrical heating maintenance in step e), make the moisture content of concrete segment 8-12%;
In step f), natural curing is at room temperature natural curing 25-30 days.
The present invention is further preferably:
In step a), the proportioning in major ingredient is: the sand of 25%, the aggregate of 30%, 45% mining chip;
In step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 80% major ingredient, 18% cement, 2% pigment;
In step c), compressing for leaving standstill 60 minutes after building block;
In step d), in electrical heating fog room, control temperature is at 32 DEG C, and is incubated 3 hours;
In step e), after finished product piling, make the moisture content of concrete segment 8-10%;
In step f), natural curing is at room temperature natural curing 28 days.
The invention belongs to improvements over the prior art, it is simple, reliable that it has process, reduces curing temperature, saves maintenance cost, improves the making yield rate of concrete segment, meet environmental requirement, be convenient to realize the features such as Automated condtrol.
Accompanying drawing explanation
Fig. 1 is the manufacture craft block diagram of prior art.
Fig. 2 is manufacture craft block diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be described in detail: shown in Fig. 2, and the preparation method of a kind of concrete segment of the present invention, it mainly comprises the steps:
A) select materials: select sand 11, aggregate 12 and mining chip 13 as major ingredient; Described major ingredient forklift is delivered to hopper 14 and is sent into autoproportioner 15, and delivers in concrete-agitating system 17 by tape transport 16;
B) batch mixing: by being mixed together stirring with cement or cement and pigment 24 in concrete-agitating system 17;
C) compression molding: be pressed into building block by moulding press 19 after batch mixing;
D) hydrothermal curing: by the building block after shaping through hydrothermal curing 20;
E) finished product piling 21;
F) natural curing and inspection are dispatched from the factory: after finished product piling 21, then inspection dispatches from the factory 23 after natural curing 22;
In described step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 75-88% major ingredient, 12-22% cement, 0-4% pigment; Also add simultaneously enough water be mixed together stir make compound wet through and through;
In step c), sending into the compound after mix and blend with compression molding in the moulding press of mould is building block, and till making the side surface of building block ooze out slurries;
In step d), hydrothermal curing carries out in electrical heating fog room, and the electric heater installed in electrical heating room is controlled automatically by temperature controller.
The preferred embodiment of the invention is:
In step a), the weight proportion in major ingredient is: the sand of 20-30%, the aggregate of 25-35%, 35-55% mining chip; After described major ingredient is prepared burden in automatic doser, send in concrete-agitating system by conveyer belt;
In step c), compressing for leaving standstill at least 50 minutes after building block;
In step d), blower fan is installed in electrical heating fog room and carries out hot air circulation, and control temperature is at 30-35 DEG C, and be incubated 2-5 hours;
Carry out finished product piling after electrical heating maintenance in step e), make the moisture content of concrete segment 8-12%;
In step f), natural curing is at room temperature natural curing 25-30 days.
The further preferred embodiment of the present invention is:
In step a), the proportioning in major ingredient is: the sand of 25%, the aggregate of 30%, 45% mining chip;
In step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 80% major ingredient, 18% cement, 2% pigment;
In step c), compressing for leaving standstill 60 minutes after building block;
In step d), in electrical heating fog room, control temperature is at 32 DEG C, and is incubated 3 hours;
In step e), after finished product piling, make the moisture content of concrete segment 8-10%;
In step f), natural curing is at room temperature natural curing 28 days.
embodiment 1: a kind of preparation method of concrete segment, it mainly comprises the steps:
A) select materials: select sand, aggregate and mining chip as major ingredient, the weight proportion in this major ingredient is: the sand of 20%, the aggregate of 25%, 55% mining chip; After described major ingredient is prepared burden in automatic doser, send in concrete-agitating system by conveyer belt;
B) batch mixing: by being mixed together stirring with cement in concrete-agitating system; Mainly major ingredient, cement and pigment is added by the part by weight of 75% major ingredient, 22% cement, 3% pigment in concrete-agitating system; Also add simultaneously enough water be mixed together stir make compound wet through and through;
C) compression molding: sending into the compound after mix and blend with compression molding in the moulding press of mould is building block, and till making the side surface of building block ooze out slurries; Compressing for leaving standstill 50 minutes after building block;
D) hydrothermal curing: the building block after shaping is placed in electrical heating fog room and carries out hydrothermal curing, and the electric heater installed in electrical heating room is controlled automatically by temperature controller; Blower fan is installed in electrical heating fog room and carries out hot air circulation, and control temperature is at 30 DEG C, and be incubated 2 hours;
E) finished product piling; After electrical heating maintenance, carry out finished product piling, make the moisture content of concrete segment 8-12%;
F) natural curing and inspection are dispatched from the factory: after finished product piling, then check after natural curing and dispatch from the factory; Natural curing is at room temperature natural curing 25 days.
embodiment 2: a kind of preparation method of concrete segment, it mainly comprises the steps:
A) select materials: select sand, aggregate and mining chip as major ingredient, the weight proportion in this major ingredient is: the sand of 30%, the aggregate of 35%, 35% mining chip; After described major ingredient is prepared burden in automatic doser, send in concrete-agitating system by conveyer belt;
B) batch mixing: by being mixed together stirring with cement in concrete-agitating system; Mainly major ingredient, cement and pigment is added by the part by weight of 83% major ingredient, 17% cement, 0% pigment in concrete-agitating system; Also add simultaneously enough water be mixed together stir make compound wet through and through;
C) compression molding: sending into the compound after mix and blend with compression molding in the moulding press of mould is building block, and till making the side surface of building block ooze out slurries; Compressing for leaving standstill 70 minutes after building block;
D) hydrothermal curing: the building block after shaping is placed in electrical heating fog room and carries out hydrothermal curing, and the electric heater installed in electrical heating room is controlled automatically by temperature controller; Blower fan is installed in electrical heating fog room and carries out hot air circulation, and control temperature is at 35 DEG C, and be incubated 5 hours;
E) finished product piling; After electrical heating maintenance, carry out finished product piling, make the moisture content of concrete segment 9-10%;
F) natural curing and inspection are dispatched from the factory: after finished product piling, then check after natural curing and dispatch from the factory; Natural curing is at room temperature natural curing 30 days.
Claims (3)
1. a preparation method for concrete segment, it mainly comprises the steps:
A) select materials: select sand, aggregate and mining chip as major ingredient;
B) batch mixing: by being mixed together stirring with cement in concrete-agitating system;
C) compression molding: be pressed into building block by moulding press after batch mixing;
D) hydrothermal curing: by the building block after shaping through hydrothermal curing;
E) finished product piling;
F) natural curing and inspection are dispatched from the factory: after finished product piling, then check after natural curing and dispatch from the factory; It is characterized in that:
In step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 75-88% major ingredient, 12-22% cement, 0-4% pigment; Also add simultaneously enough water be mixed together stir make compound wet through and through;
In step c), sending into the compound after mix and blend with compression molding in the moulding press of mould is building block, and till making the side surface of building block ooze out slurries;
In step d), hydrothermal curing carries out in electrical heating fog room, and the electric heater installed in electrical heating room is controlled automatically by temperature controller.
2. the preparation method of concrete segment according to claim 1, is characterized in that:
In step a), the weight proportion in major ingredient is: the sand of 20-30%, the aggregate of 25-35%, 35-55% mining chip; After described major ingredient is prepared burden in automatic doser, send in concrete-agitating system by conveyer belt;
In step c), compressing for leaving standstill at least 50 minutes after building block;
In step d), blower fan is installed in electrical heating fog room and carries out hot air circulation, and control temperature is at 30-35 DEG C, and be incubated 2-5 hours;
Carry out finished product piling after electrical heating maintenance in step e), make the moisture content of concrete segment 8-12%;
In step f), natural curing is at room temperature natural curing 25-30 days.
3. the preparation method of concrete segment according to claim 2, is characterized in that:
In step a), the proportioning in major ingredient is: the sand of 25%, the aggregate of 30%, 45% mining chip;
In step b), in concrete-agitating system, mainly add major ingredient, cement and pigment by the part by weight of 80% major ingredient, 18% cement, 2% pigment;
In step c), compressing for leaving standstill 60 minutes after building block;
In step d), in electrical heating fog room, control temperature is at 32 DEG C, and is incubated 3 hours;
In step e), after finished product piling, make the moisture content of concrete segment 8-10%;
In step f), natural curing is at room temperature natural curing 28 days.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347786.9A CN104999544A (en) | 2015-06-23 | 2015-06-23 | Manufacturing method for concrete blocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510347786.9A CN104999544A (en) | 2015-06-23 | 2015-06-23 | Manufacturing method for concrete blocks |
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| Publication Number | Publication Date |
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| CN104999544A true CN104999544A (en) | 2015-10-28 |
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| CN201510347786.9A Pending CN104999544A (en) | 2015-06-23 | 2015-06-23 | Manufacturing method for concrete blocks |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666925A (en) * | 2019-09-25 | 2020-01-10 | 福建泉州市宝质混凝土有限公司 | Novel concrete block production process |
| CN111825384A (en) * | 2020-07-29 | 2020-10-27 | 襄阳市政建设集团有限公司 | Method for reprocessing building blocks from building block waste |
| CN114347219A (en) * | 2021-12-14 | 2022-04-15 | 四会市大美地新材料有限公司 | Dry cement forming process and product thereof |
| EP3844124A4 (en) * | 2018-08-27 | 2022-08-31 | Solidia Technologies, Inc. | Multi-step curing of green bodies |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3844124A4 (en) * | 2018-08-27 | 2022-08-31 | Solidia Technologies, Inc. | Multi-step curing of green bodies |
| CN110666925A (en) * | 2019-09-25 | 2020-01-10 | 福建泉州市宝质混凝土有限公司 | Novel concrete block production process |
| CN111825384A (en) * | 2020-07-29 | 2020-10-27 | 襄阳市政建设集团有限公司 | Method for reprocessing building blocks from building block waste |
| CN114347219A (en) * | 2021-12-14 | 2022-04-15 | 四会市大美地新材料有限公司 | Dry cement forming process and product thereof |
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Application publication date: 20151028 |
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