CN114538837A - Foam concrete formula and production process - Google Patents
Foam concrete formula and production process Download PDFInfo
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- CN114538837A CN114538837A CN202210286747.2A CN202210286747A CN114538837A CN 114538837 A CN114538837 A CN 114538837A CN 202210286747 A CN202210286747 A CN 202210286747A CN 114538837 A CN114538837 A CN 114538837A
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- fixedly connected
- bearing plate
- elastic
- elastic cloth
- raw materials
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- 239000011381 foam concrete Substances 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000009472 formulation Methods 0.000 title description 2
- 239000002994 raw material Substances 0.000 claims abstract description 82
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000006260 foam Substances 0.000 claims abstract description 19
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims abstract description 11
- 239000004575 stone Substances 0.000 claims abstract description 11
- 239000002562 thickening agent Substances 0.000 claims abstract description 11
- 239000002639 bone cement Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 4
- 239000011707 mineral Substances 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 102
- 238000005303 weighing Methods 0.000 claims description 83
- 238000000034 method Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 15
- 239000004088 foaming agent Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 238000001238 wet grinding Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 8
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000012634 fragment Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/0422—Weighing predetermined amounts of ingredients, e.g. for consecutive delivery
- B28C7/044—Weighing mechanisms specially adapted therefor; Weighing containers
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Civil Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention belongs to the technical field of engineering materials, and particularly relates to a foam concrete formula and a production process, wherein the foam concrete is prepared from the following raw materials in parts by weight: 60-80 parts of cement clinker, 20-25 parts of mineral powder, 15-18 parts of bone glue powder, 8-10 parts of wet-milled nano stone powder, 8-10 parts of sodium dodecyl sulfate, 6-8 parts of thickening agent and 4-6 parts of waterproof agent; according to the invention, by combining the wet-milled nano stone powder, the sodium dodecyl sulfate and the thickening agent, the surface tension of a foam liquid film can be improved, the gas diffusion in foam can be inhibited, the probability of foam shrinkage can be reduced, the foam concrete is not easy to collapse after construction, and the strength of the foam concrete is improved.
Description
Technical Field
The invention belongs to the technical field of engineering materials, and particularly relates to a foam concrete formula and a production process.
Background
The foam concrete is a concrete product which is formed by introducing air or gases such as nitrogen, carbon dioxide, oxygen and the like into concrete slurry according to application requirements in a chemical or physical mode and reasonably maintaining and forming to contain a large number of fine closed air holes and has certain strength.
A chinese patent publication No. CN103011896B discloses a foam concrete, which comprises 25-40% by mass of an admixture in the foam concrete, 45-70% by mass of a cementing material in the foam concrete, and 5-25% by mass of a chemical adjuvant in the foam concrete, wherein the cementing material comprises cement clinker, calcium oxide, and bone cement powder, and the mass ratio of the three components in the cementing material is 2: 2: the invention also discloses a method for manufacturing the foam concrete, which comprises a foaming process, slurry treatment, chemical auxiliary agent treatment, a mixing process and forming maintenance. The invention has the advantages that: the cementing material in the foam concrete adopts cement clinker, calcium oxide and bone glue powder, so that a large amount of cement is avoided, the coal resource required in the production of the cement is reduced, the tension energy utilization is relieved, and the compressive strength, the seepage resistance and the sound insulation effect of the foam concrete can be improved.
In the prior art, compared with the traditional concrete, the stability and the strength of the foam concrete are not high, because the foam in the foam concrete is not stable enough, the foam concrete is easy to collapse after construction, and the foam concrete is difficult to popularize and use.
Therefore, the invention provides a foam concrete formula and a production process.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a foam concrete formula, which comprises the following raw materials in parts by weight:
60-80 parts of cement clinker
20-25 parts of ore powder
15-18 parts of bone glue powder
Wet grinding nano stone powder 8-10 weight portions
8-10 parts of sodium dodecyl sulfate
6-8 parts of thickening agent
4-6 parts of a waterproof agent;
according to the invention, by combining the wet-milled nano stone powder, the sodium dodecyl sulfate and the thickening agent, the surface tension of a foam liquid film can be improved, the gas diffusion in foam can be inhibited, the probability of foam shrinkage can be reduced, the foam concrete is not easy to collapse after construction, and the strength of the foam concrete is improved.
A foam concrete production process is used for producing the foam concrete, and the foam concrete is produced by adopting the following steps:
s1: pushing the bearing plate to move upwards through a first telescopic rod in the weighing equipment, so that the bearing plate is not in contact with the weighing unit, then pouring all raw materials of the foam concrete into the feed hopper respectively, further dropping the raw materials on the bearing plate, then resetting slowly through the first telescopic rod, naturally dropping the bearing plate on the weighing unit, and then carrying out weighing operation to avoid directly impacting the weighing unit when the raw materials drop, and then discharging for later use;
s2: wet-milled nano stone powder, sodium dodecyl sulfate, a thickening agent and a proper amount of water are mixed and uniformly stirred, then a foaming agent solution is obtained through ultrasonic dispersion, and the obtained foaming agent solution is added into a high-speed stirrer and stirred to obtain high-stability foam;
s3: mixing cement clinker, mineral powder, bone glue powder, a waterproof agent, high-stability foam and a proper amount of water, uniformly stirring, and curing to obtain the finished product of foam concrete.
Preferably, the weighing apparatus comprises a housing; the upper side of the shell is provided with a feed hopper, and the lower side of the shell is provided with support legs; a bearing plate is connected inside the shell in a sliding manner; a weighing unit and a first telescopic rod are arranged in the shell below the bearing plate; promote a segment distance through a telescopic link earlier before weighing, make the bearing plate not contact with the unit of weighing, then pour the raw materials of foam concrete into the feeder hopper, and then the raw materials falls on the bearing plate, later slowly reset through a telescopic link again, the bearing plate falls on the unit of weighing naturally, and guarantee that a telescopic link does not contact with the bearing plate, then weigh the operation again, this scheme can not directly strike the unit of weighing when making the raw materials fall, thereby avoid the unit of weighing to receive the problem that the raw materials striking leads to each component spare to damage for a long time, the life of weighing equipment has been prolonged.
Preferably, the bottom of the shell is provided with a discharging channel; the middle part of the bearing plate is provided with a discharge hole; the top of the first telescopic rod is fixedly connected with an arc-shaped plate; a spherical cover is arranged above the discharging hole; a second telescopic rod is arranged in the shell below the bearing plate; the top end of the second telescopic rod penetrates through the bearing plate and is connected with the bearing plate in a sliding manner, and the second telescopic rod is fixedly connected with the spherical cover; a telescopic link passes through the arc and promotes the bearing plate to shift up before weighing, shifts up a segment distance through No. two telescopic links drive spherical cover after weighing for spherical cover and bearing plate separation, and then the drain hole is opened, and the raw materials of later bearing plate top can fall down through drain hole and ejection of compact way nature, makes things convenient for the ejection of compact, has improved the practicality of weighing equipment.
Preferably, the inner side wall of the feed hopper is fixedly connected with elastic cloth, and the elastic cloth is filled with air; a guide pipe is fixedly connected to the outer side wall of the feed hopper, one end of the guide pipe is communicated with the top of the elastic cloth, and the other end of the guide pipe is communicated with the bottom of the elastic cloth; through setting up the elastic cloth, when making to pour the raw materials, the raw materials can strike the elastic cloth and make its shake, it remains to reduce the raw materials, thereby avoid the raw materials adhesion on the feeder hopper inner wall, cause the problem of the precision decline of weighing, through setting up the pipe, make before weighing, the in-process of bearing plate and raw materials nature whereabouts, the inside air of elastic membrane can be pushed downwards by the raw materials gradually, and return to the elastic cloth top through the pipe, avoid some air to be stranded in the elastic cloth bottom, by the raw materials downward extrusion gradually, lead to the crowded problem of broken elastic cloth, when the air returns the elastic cloth top through the pipe simultaneously, can also bulge the elastic cloth at top, shake off its surface adhesion's a small amount of raw materials, and be in the same place with the raw materials collection of elastic cloth bottom, be convenient for follow-up weighing operation, improve the precision of weighing.
Preferably, a rotating shaft is rotatably connected in one end of the conduit communicated with the top of the elastic cloth through a bracket; one end of the rotating shaft extending into the elastic cloth is fixedly connected with an impeller; a pair of first elastic sheets are fixedly connected to the inner side walls of the feed hoppers on the two sides of the impeller; when the air blew in the elasticity cloth top from the pipe, can promote the impeller rotation, and then the blade intermittent type formula of impeller beat shell fragment for a shell fragment drives feeder hopper inside wall and elasticity cloth and takes place vibrations, thereby further shakes off the raw materials of elasticity cloth top surface adhesion, makes all raw materials collect elasticity cloth bottom, improves weighing device's measurement accuracy.
Preferably, the first magnetic block is fixedly connected with the edge of the blade of the impeller; a pair of second magnetic blocks is fixedly connected to the inner wall of the elastic cloth at a position close to the impeller; through setting up a magnetic path and No. two magnetic paths, the rotatory in-process of impeller can drive the elasticity cloth shake through the appeal between the two to further shake off the raw materials of elasticity cloth top surface adhesion, make all raw materials collect the elasticity cloth bottom, improve weighing equipment's measurement accuracy.
Preferably, an elastic block is fixedly connected between the inner wall of the bottom of the elastic cloth and the inner side wall of the feed hopper; a shifting piece is hinged in the discharging channel through a torsional spring; the free end of the shifting piece is fixedly connected with a connecting rope, and the other end of the connecting rope bypasses the outer side of the shell and is fixedly connected with the inner wall of the bottom of the elastic cloth; the connecting rope penetrates through the elastic block, and the connecting rope is in sliding connection with the shell and the feed hopper; when the ejection of compact was said through the play material to the raw materials, can strike the plectrum and make its continuous swing, and then constantly stimulate the elasticity cloth bottom through connecting the rope, the effect of cooperation elastic block for elasticity cloth bottom can be continuous shake when the ejection of compact, this operation can reduce the raw materials in the residue of elasticity cloth bottom, makes the ejection of compact more thorough, further improves the precision of weighing, avoids the load to be less than the problem of weighing.
Preferably, a cavity is formed in the second magnetic block; an elastic strip is fixedly connected to the inner wall of the elastic cloth between the second magnetic block and the impeller, the other end of the elastic strip extends into the cavity and is fixedly connected with a contact, and the elastic strip is in sliding connection with the second magnetic block; a plurality of second elastic sheets are fixedly connected to the inner wall of the cavity; in the process of impeller rotation, the first magnetic block can attract the second magnetic block, and then the second magnetic block is pulled to twist a certain angle, so that the elastic strip can slide in the cavity, the second elastic pieces are pulled through the contacts, the second elastic pieces vibrate and are conducted to the elastic cloth through the second magnetic block, the elastic cloth is further shaken, raw materials adhered to the top surface of the elastic cloth are shaken off, all the raw materials are collected to the bottom of the elastic cloth, and the measuring precision of the weighing device is improved.
Preferably, a plurality of small balls are arranged inside the cavity; through setting up a plurality of bobbles for the in-process that No. two shell fragments were stirred to the contact also can make the bobble do irregular striking motion inside the cavity, thereby further drives No. two magnetic path and elastic cloth shake.
The invention has the following beneficial effects:
1. according to the foam concrete formula and the production process, the wet-milled nano stone powder, the sodium dodecyl sulfate and the thickening agent are combined, so that the surface tension of a foam liquid film can be improved, the gas diffusion in foam can be inhibited, the probability of foam shrinkage can be reduced, the foam concrete is not easy to collapse after construction, and the strength of the foam concrete is improved.
2. According to the foam concrete formula and the production process, the bearing plate and the first telescopic rod are arranged, so that raw materials cannot directly impact the weighing unit when falling down, the problem that each element is damaged due to the fact that the weighing unit is impacted by the raw materials for a long time is solved, and the service life of weighing equipment is prolonged.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic flow diagram of the production process of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is a cross-sectional view of a magnetic block number two of the present invention;
in the figure: the weighing device comprises a shell 1, a feed hopper 2, support legs 3, a bearing plate 4, a weighing unit 5, a first telescopic rod 6, a discharge channel 7, a discharge hole 8, an arc-shaped plate 9, a spherical cover 10, a second telescopic rod 11, elastic cloth 12, a guide pipe 13, a rotating shaft 14, an impeller 15, a first elastic sheet 16, a first magnetic sheet 17, a second magnetic sheet 18, an elastic block 19, a shifting sheet 20, a connecting rope 21, a cavity 22, an elastic strip 23, a contact 24, a second elastic sheet 25 and a small ball 26.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A foam concrete formula comprises the following raw materials in parts by weight:
60-80 parts of cement clinker
20-25 parts of ore powder
15-18 parts of bone glue powder
Wet grinding nano stone powder 8-10 weight portions
8-10 parts of sodium dodecyl sulfate
6-8 parts of thickening agent
4-6 parts of a waterproof agent;
according to the invention, by combining the wet-milled nano stone powder, the sodium dodecyl sulfate and the thickening agent, the surface tension of a foam liquid film can be improved, the gas diffusion in foam can be inhibited, the probability of foam shrinkage can be reduced, the foam concrete is not easy to collapse after construction, and the strength of the foam concrete is improved.
Example one
As shown in fig. 1, a foam concrete production process according to an embodiment of the present invention is used for producing the above foam concrete, and the foam concrete is produced by the following steps:
s1: pushing the bearing plate 4 to move upwards through a first telescopic rod 6 in the weighing equipment, so that the bearing plate 4 is not in contact with the weighing unit 5, then pouring all raw materials of the foam concrete into the feed hopper 2 respectively, further enabling the raw materials to fall on the bearing plate 4, then resetting slowly through the first telescopic rod 6, enabling the bearing plate 4 to naturally fall on the weighing unit 5, then carrying out weighing operation, so as to avoid the situation that the raw materials directly impact the weighing unit 5 when falling, and then discharging for later use;
s2: wet-milled nano stone powder, sodium dodecyl sulfate, a thickening agent and a proper amount of water are mixed and uniformly stirred, then a foaming agent solution is obtained through ultrasonic dispersion, and the obtained foaming agent solution is added into a high-speed stirrer and stirred to obtain high-stability foam;
s3: mixing cement clinker, mineral powder, bone glue powder, a waterproof agent, high-stability foam and a proper amount of water, uniformly stirring, and curing to obtain the finished product of foam concrete.
As shown in fig. 2 to 3, the weighing apparatus includes a housing 1; the upper side of the shell 1 is provided with a feed hopper 2, and the lower side of the shell 1 is provided with support legs 3; a bearing plate 4 is connected to the inside of the shell 1 in a sliding manner; a weighing unit 5 and a first telescopic rod 6 are arranged in the shell 1 below the bearing plate 4; promote a small distance of 4 upshifts of bearing plate through a telescopic link before weighing earlier, make bearing plate 4 not contact with weighing unit 5, then pour the raw materials of foam concrete into feeder hopper 2, and then the raw materials falls on bearing plate 4, later slowly reset through a telescopic link 6 again, bearing plate 4 falls on weighing unit 5 naturally, and guarantee that a telescopic link 6 does not contact with bearing plate 4, then the operation of weighing, this scheme makes the raw materials can not directly strike weighing unit 5 when falling, thereby avoid weighing unit 5 to receive the problem that the raw materials striking leads to each component damage for a long time, the life of weighing equipment has been prolonged.
A discharging channel 7 is arranged at the bottom of the shell 1; the middle part of the bearing plate 4 is provided with a discharge hole 8; the top of the first telescopic rod 6 is fixedly connected with an arc-shaped plate 9; a spherical cover 10 is arranged above the discharging hole 8; a second telescopic rod 11 is arranged in the shell 1 below the bearing plate 4; the top end of the second telescopic rod 11 penetrates through the bearing plate 4 and is connected with the bearing plate in a sliding manner, and the second telescopic rod 11 is fixedly connected with the spherical cover 10; before weighing, telescopic link 6 promotes bearing plate 4 through arc 9 and moves upward, moves a segment distance on driving spherical cover 10 through No. two telescopic links 11 after weighing for spherical cover 10 and bearing plate 4 separate, and then drain hole 8 is opened, and the raw materials of later bearing plate 4 top can fall down through drain hole 8 and discharge gate 7 nature, makes things convenient for the ejection of compact, has improved the practicality of weighing equipment.
The inner side wall of the feed hopper 2 is fixedly connected with an elastic cloth 12, and the elastic cloth 12 is filled with air; a guide pipe 13 is fixedly connected to the outer side wall of the feed hopper 2, one end of the guide pipe 13 is communicated with the top of the elastic cloth 12, and the other end of the guide pipe 13 is communicated with the bottom of the elastic cloth 12; through setting up elastic cloth 12, when making to pour the raw materials into, the raw materials can strike elastic cloth 12 and make its shake, reduce raw materials and remain, thereby avoid the raw materials adhesion on feeder hopper 2 inner wall, cause the problem that the precision of weighing descends, through setting up pipe 13, make before weighing, bearing plate 4 and the in-process of raw materials nature whereabouts, the inside air of elastic membrane can be pushed downwards by the raw materials gradually, and return to elastic cloth 12 top through pipe 13, avoid some air to be stranded in elastic cloth 12 bottom, by the raw materials downward extrusion gradually, lead to the problem that elastic cloth 12 extrudees, when air returns elastic cloth 12 top through pipe 13 simultaneously, can also drumbeat the elastic cloth 12 at top, shake off a small amount of raw materials of its surface adhesion, and be in the same place with the raw materials collection of elastic cloth 12 bottom, be convenient for follow-up weighing operation, improve the precision of weighing.
As shown in fig. 4, a rotating shaft 14 is rotatably connected to one end of the conduit 13, which is communicated with the top of the elastic cloth 12, through a bracket; an impeller 15 is fixedly connected to one end of the rotating shaft 14 extending into the elastic cloth 12; a pair of first elastic sheets 16 are fixedly connected to the inner side walls of the feed hopper 2 at the two sides of the impeller 15; when air blows into the top of the elastic cloth 12 from the guide pipe 13, the impeller 15 is pushed to rotate, and then the blades of the impeller 15 intermittently beat the elastic sheet 16, so that the elastic sheet 16 drives the inner side wall of the feed hopper 2 and the elastic cloth 12 to vibrate, and further raw materials adhered to the top surface of the elastic cloth 12 are shaken off, all the raw materials are collected to the bottom of the elastic cloth 12, and the measuring precision of the weighing device is improved.
The first magnetic block 17 is fixedly connected with the edge of the blade of the impeller 15; a pair of second magnetic blocks 18 is fixedly connected to the inner wall of the elastic cloth 12 close to the impeller 15; through setting up magnetic path 17 and No. two magnetic paths 18, the rotatory in-process of impeller 15 can drive elasticity cloth 12 shake through the appeal between the two to further shake off the raw materials of elasticity cloth 12 top surface adhesion, make all raw materials collect elasticity cloth 12 bottom, improve weighing equipment's measurement accuracy.
As shown in fig. 5, an elastic block 19 is fixedly connected between the inner wall of the bottom of the elastic cloth 12 and the inner wall of the feed hopper 2; a shifting piece 20 is hinged in the discharging channel 7 through a torsion spring; the free end of the shifting piece 20 is fixedly connected with a connecting rope 21, and the other end of the connecting rope 21 bypasses the outer side of the shell 1 and is fixedly connected with the inner wall of the bottom of the elastic cloth 12; the connecting rope 21 penetrates through the elastic block 19, and the connecting rope 21 is in sliding connection with the shell 1 and the feed hopper 2; when 7 ejection of compact of material way are passed through to the raw materials, can strike plectrum 20 and make it constantly swing, and then constantly stimulate elasticity cloth 12 bottom through connecting rope 21, cooperation elastic block 19's effect for elasticity cloth 12 bottom can be constantly tremble when the ejection of compact, and this operation can reduce the raw materials in the residue of elasticity cloth 12 bottom, makes the ejection of compact more thorough, further improves the precision of weighing, avoids the load to be less than the problem of weighing.
Example two
As shown in fig. 6, a first comparative example, in which another embodiment of the present invention is: a cavity 22 is formed in the second magnetic block 18; an elastic strip 23 is fixedly connected to the inner wall of the elastic cloth 12 between the second magnetic block 18 and the impeller 15, the other end of the elastic strip 23 extends into the cavity 22 and is fixedly connected with a contact 24, and the elastic strip 23 is in sliding connection with the second magnetic block 18; a plurality of second elastic sheets 25 are fixedly connected to the inner wall of the cavity 22; in the rotating process of the impeller 15, the first magnetic block 17 attracts the second magnetic block 18, and then the second magnetic block 18 is pulled to twist by a certain angle, so that the elastic strip 23 can slide in the cavity 22, the second elastic pieces 25 are pulled through the contacts 24, the second elastic pieces 25 vibrate and are conducted to the elastic cloth 12 through the second magnetic block 18, the elastic cloth 12 is further made to shake, raw materials adhered to the top surface of the elastic cloth 12 are shaken off, all the raw materials are collected to the bottom of the elastic cloth 12, and the measuring accuracy of the weighing device is improved.
A plurality of small balls 26 are arranged in the cavity 22; through setting up a plurality of bobbles 26 for the in-process that contact 24 stirred No. two shell fragment 25 also can make bobble 26 make irregular striking motion in cavity 22, thereby further drives No. two magnetic path 18 and elastic cloth 12 shake.
The working principle is as follows: before weighing, the bearing plate 4 is pushed to move upwards by a small distance through the first telescopic rod 6, so that the bearing plate 4 is not in contact with the weighing unit 5, then raw materials of foam concrete are poured into the feed hopper 2, then the raw materials fall on the bearing plate 4, and then the raw materials are slowly reset through the first telescopic rod 6, the bearing plate 4 naturally falls on the weighing unit 5, the first telescopic rod 6 is ensured not to be in contact with the bearing plate 4, then weighing operation is carried out, the scheme ensures that the raw materials cannot directly impact the weighing unit 5 when falling, so that the problem that each element is damaged due to long-term impact of the raw materials on the weighing unit 5 is avoided, and the service life of the weighing equipment is prolonged; the first telescopic rod 6 pushes the bearing plate 4 to move upwards through the arc-shaped plate 9 before weighing, the second telescopic rod 11 drives the spherical cover 10 to move upwards for a short distance after weighing, so that the spherical cover 10 is separated from the bearing plate 4, the discharge hole 8 is opened, and then the raw materials above the bearing plate 4 can naturally fall through the discharge hole 8 and the discharge channel 7, so that discharging is facilitated, and the practicability of the weighing equipment is improved; through the arrangement of the elastic cloth 12, when the raw materials are poured, the raw materials can impact the elastic cloth 12 and shake the elastic cloth 12, so that the raw material residue is reduced, the problem that the weighing precision is reduced due to the fact that the raw materials are adhered to the inner wall of the feeding hopper 2 is avoided, through the arrangement of the guide pipe 13, before weighing, in the process that the bearing plate 4 and the raw materials naturally fall down, air in the elastic film can be gradually pushed downwards by the raw materials and returns to the top of the elastic cloth 12 through the guide pipe 13, the problem that the elastic cloth 12 is broken due to the fact that part of the air is trapped at the bottom of the elastic cloth 12 and is gradually pushed downwards by the raw materials is avoided, and meanwhile when the air returns to the top of the elastic cloth 12 through the guide pipe 13, the elastic cloth 12 at the top can be further pushed, a small amount of the raw materials adhered to the surface of the elastic cloth can be shaken off and gathered together with the raw materials at the bottom of the elastic cloth 12, so that the subsequent weighing operation is facilitated, and the weighing precision is improved; when air is blown into the top of the elastic cloth 12 from the conduit 13, the impeller 15 is pushed to rotate, and then the blades of the impeller 15 intermittently beat the first elastic sheet 16, so that the first elastic sheet 16 drives the inner side wall of the feed hopper 2 and the elastic cloth 12 to vibrate, and further raw materials adhered to the top surface of the elastic cloth 12 are shaken off, all the raw materials are gathered at the bottom of the elastic cloth 12, and the measurement accuracy of the weighing equipment is improved; by arranging the first magnetic block 17 and the second magnetic block 18, the elastic cloth 12 is driven to shake by attraction between the first magnetic block and the second magnetic block in the rotating process of the impeller 15, so that raw materials adhered to the top surface of the elastic cloth 12 are further shaken off, all the raw materials are gathered at the bottom of the elastic cloth 12, and the measuring precision of the weighing equipment is improved; when the raw materials are discharged through the discharging channel 7, the stirring sheet 20 is impacted and continuously swung, the bottom of the elastic cloth 12 is continuously pulled through the connecting rope 21, and the bottom of the elastic cloth 12 can continuously shake during discharging under the action of the elastic block 19, so that the residue of the raw materials at the bottom of the elastic cloth 12 can be reduced by the operation, the discharging is more thorough, the weighing precision is further improved, and the problem that the discharging amount is smaller than the weighing amount is avoided; in the process of rotating the impeller 15, the first magnetic block 17 attracts the second magnetic block 18, and then the second magnetic block 18 is pulled to twist by a certain angle, so that the elastic strip 23 can slide in the cavity 22, the plurality of second elastic pieces 25 are pulled through the contact 24, the second elastic pieces 25 vibrate and are conducted to the elastic cloth 12 through the second magnetic block 18, the elastic cloth 12 is further vibrated, so that raw materials adhered to the top surface of the elastic cloth 12 are shaken off, all the raw materials are collected to the bottom of the elastic cloth 12, and the measurement accuracy of the weighing device is improved; through setting up a plurality of bobbles 26 for the in-process that contact 24 stirred No. two shell fragment 25 also can make bobble 26 make irregular striking motion in cavity 22, thereby further drives No. two magnetic path 18 and elastic cloth 12 shake.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A foam concrete formula is characterized in that: the foam concrete is prepared from the following raw materials in parts by weight:
60-80 parts of cement clinker
20-25 parts of ore powder
15-18 parts of bone glue powder
Wet grinding nano stone powder 8-10 weight portions
8-10 parts of sodium dodecyl sulfate
6-8 parts of thickening agent
4-6 parts of a waterproof agent.
2. A foam concrete production process for producing the foam concrete described in claim 1, characterized in that: the foam concrete is produced by the following steps:
s1: pushing a bearing plate (4) to move upwards through a first telescopic rod (6) in the weighing equipment, so that the bearing plate (4) is not in contact with a weighing unit (5), then pouring all raw materials of foam concrete into a feed hopper (2) respectively, further dropping the raw materials on the bearing plate (4), then slowly resetting through the first telescopic rod (6), naturally dropping the bearing plate (4) on the weighing unit (5), then performing weighing operation, so as to avoid the situation that the raw materials directly impact the weighing unit (5) when dropping, and then discharging for later use;
s2: wet-milled nano stone powder, sodium dodecyl sulfate, a thickening agent and a proper amount of water are mixed and uniformly stirred, then a foaming agent solution is obtained through ultrasonic dispersion, and the obtained foaming agent solution is added into a high-speed stirrer and stirred to obtain high-stability foam;
s3: mixing cement clinker, mineral powder, bone glue powder, a waterproof agent, high-stability foam and a proper amount of water, uniformly stirring, and curing to obtain the finished product of foam concrete.
3. A process for the production of foamed concrete according to claim 2 wherein: the weighing apparatus comprises a housing (1); the feeding hopper (2) is installed on the upper side of the shell (1), and the support legs (3) are installed on the lower side of the shell (1); a bearing plate (4) is connected to the inside of the shell (1) in a sliding manner; the weighing device is characterized in that a weighing unit (5) and a first telescopic rod (6) are installed inside the shell (1) below the bearing plate (4).
4. A process for the production of foamed concrete according to claim 3 wherein: a discharging channel (7) is arranged at the bottom of the shell (1); a discharge hole (8) is formed in the middle of the bearing plate (4); the top of the first telescopic rod (6) is fixedly connected with an arc-shaped plate (9); a spherical cover (10) is arranged above the discharging hole (8); a second telescopic rod (11) is arranged in the shell (1) below the bearing plate (4); the top end of the second telescopic rod (11) penetrates through the bearing plate (4) and is in sliding connection with the bearing plate, and the second telescopic rod (11) is fixedly connected with the spherical cover (10).
5. A process for the production of foamed concrete according to claim 4 wherein: the inner side wall of the feed hopper (2) is fixedly connected with elastic cloth (12), and the elastic cloth (12) is filled with air; the outer side wall of the feed hopper (2) is fixedly connected with a guide pipe (13), one end of the guide pipe (13) is communicated with the top of the elastic cloth (12), and the other end of the guide pipe (13) is communicated with the bottom of the elastic cloth (12).
6. A process for the production of foamed concrete according to claim 5 wherein: a rotating shaft (14) is rotatably connected in one end of the conduit (13) communicated with the top of the elastic cloth (12) through a bracket; one end of the rotating shaft (14) extending into the elastic cloth (12) is fixedly connected with an impeller (15); a pair of one-number elastic pieces (16) are fixedly connected to the inner side walls of the feeding hopper (2) on the two sides of the impeller (15).
7. The process for producing foamed concrete according to claim 6, wherein: a first magnetic block (17) is fixedly connected to the edge of a blade of the impeller (15); a pair of second magnetic blocks (18) is fixedly connected to the inner wall of the elastic cloth (12) close to the impeller (15).
8. The process for producing foamed concrete according to claim 7, wherein: an elastic block (19) is fixedly connected between the inner wall of the bottom of the elastic cloth (12) and the inner side wall of the feed hopper (2); a shifting piece (20) is hinged in the discharging channel (7) through a torsion spring; the free end of the shifting piece (20) is fixedly connected with a connecting rope (21), and the other end of the connecting rope (21) bypasses the outer side of the shell (1) and is fixedly connected with the inner wall of the bottom of the elastic cloth (12); connect rope (21) and run through elasticity piece (19), and connect and be sliding connection between rope (21) and casing (1) and feeder hopper (2).
9. The process for producing foamed concrete according to claim 7, wherein: a cavity (22) is formed in the second magnetic block (18); an elastic strip (23) is fixedly connected to the inner wall of the elastic cloth (12) between the second magnetic block (18) and the impeller (15), the other end of the elastic strip (23) extends into the cavity (22) and is fixedly connected with a contact (24), and the elastic strip (23) is in sliding connection with the second magnetic block (18); a plurality of second elastic sheets (25) are fixedly connected to the inner wall of the cavity (22).
10. A process for the production of foamed concrete according to claim 9 wherein: a plurality of small balls (26) are arranged in the cavity (22).
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| CN202210286747.2A CN114538837B (en) | 2022-03-22 | 2022-03-22 | Foam concrete formula and production process |
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| CN113334581A (en) * | 2021-06-23 | 2021-09-03 | 徐州众磊建材科技有限公司 | Commercial concrete production line |
| CN214819723U (en) * | 2021-07-16 | 2021-11-23 | 萧庆垣 | Weighing device for concrete batching |
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| GB333730A (en) * | 1929-08-06 | 1930-08-21 | Koehring Co | Aggregates weighing device for concrete mixers |
| GB922635A (en) * | 1960-03-18 | 1963-04-03 | Elba Werk Maschinen Gmbh & Co | Batching silo with weigh batcher, more particularly for concrete ballast |
| US4057608A (en) * | 1976-04-19 | 1977-11-08 | Showa Denko Kabushiki Kaisha | Process of continuous manufacture of light-weight foamed concrete |
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|---|---|
| CN114538837B (en) | 2023-12-08 |
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