CN109483731A - A kind of production method of ceramsite concrete light-weight partition - Google Patents
A kind of production method of ceramsite concrete light-weight partition Download PDFInfo
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- CN109483731A CN109483731A CN201811362408.8A CN201811362408A CN109483731A CN 109483731 A CN109483731 A CN 109483731A CN 201811362408 A CN201811362408 A CN 201811362408A CN 109483731 A CN109483731 A CN 109483731A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/003—Methods for mixing
- B28C5/006—Methods for mixing involving mechanical aspects
-
- 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
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
-
- 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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5024—Silicates
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/68—Silicic acid; Silicates
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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)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Building Environments (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to lightweight bulkhead fields, specifically provide a kind of production method of ceramsite concrete light-weight partition.Including making mold；Lightweight bulkhead bulk stock is made in batches, and 42.5 grades of portland cements, haydite, flyash, straw, alum, gypsum, propylben, bentonite, high-efficiency water-reducing agent of poly-carboxylic acid and retarder are subjected to mixed at high speed stirring；Two cylinders are set in a mold；It is fed toward mold, stands 2-5 hours；Demoulding tool, extracts the cylinder out, obtains the lightweight bulkhead ontology of two layers of hollow structure of band；Several support rods are embedded in the hollow structure of the lightweight bulkhead ontology, the both ends of the support rod are separately fixed in the both sidewalls of the parallel mounting surface of hollow structure, and the support rod is coated with sound-absorbing material；It places and dries maintenance.The lightweight bulkhead that the present invention produces possesses good sound-insulation capability.
Description
Technical field
The present invention relates to lightweight bulkhead field more particularly to a kind of production methods of ceramsite concrete light-weight partition.
Background technique
Lightweight bulkhead, i.e. light cellular partition board.It due to lighter weight, is easily installed, lightweight bulkhead is just widely applied to
In building facility.With the raising of quality of the life, requirement of the people to lightweight bulkhead function is also being gradually increased, in addition to lightweight,
High-intensitive, fire prevention and heat preservation are outer, and the sound-insulation capability of lightweight bulkhead is also increasingly valued by people.Good sound-insulation capability,
People can be allowed to possess quiet comfortable domestic environment and resting space.
The sound insulation effect of lightweight bulkhead is related to quality (i.e. the surface density) of its unit area, and mass area ratio is higher,
Sound insulation effect is better.That is, the lightweight bulkhead of same material, thickness is thicker, and sound insulation effect is better.Construction Commission, Beijing,
It is explicitly pointed out in the third batch " eliminate and limitation uses catalogue " that planning commission, Beijing announces, due to a thickness of 60 millis
The sound-insulation capability of the lightweight bulkhead of rice is poor, and the position for being limited in room locellus wall uses, instead with a thickness of 90 millis
The lightweight bulkhead of rice and 80 millimeters or more of gypsum block.
But the thickness of lightweight bulkhead cannot infinitely increase after all, it is also contemplated that the problems such as cost and occupancy construction area,
Optimize sound-insulation capability, structure, materials and the production method of lightweight bulkhead are only key therein.
Current lightweight bulkhead mainly has plant fiber to strengthen plate, clinker powder coal ash plate, ceramsite board and flyash stone water
Mud plate etc., these lightweight bulkheads in design, excessively emphasize heat insulating ability and impermeability (this two o'clock be also lightweight bulkhead except lightweight with
Outer maximum attraction), only optimize by the way on sound insulation property, in actual test, these lightweight bulkhead sound insulation effects are not
It is especially desirable.
Summary of the invention
The present invention is not especially desirable problem for the sound insulation effect of existing lightweight bulkhead, provides a kind of ceramsite concrete light-weight
The production method of partition.
Base case provided by the invention are as follows:
A kind of production method of ceramsite concrete light-weight partition, comprising the following steps:
S1 makes mold, and the mold is equipped with lid, and the width of the lid is greater than the width of the mold；The lid
Upper there are two rectangular opening and N plate stitch, and the two sides of any rectangular opening are the longer sides of another rectangular opening and lid；The mold
Inside there is N block plate, N block plate and the mold form N+1 rectangular parallelepiped space, wherein the top surface of 1 rectangular parallelepiped space includes
Two rectangular openings on the lid；The height of plate is higher than the height of the mold；Side wall in the mold be equipped with
The corresponding groove of the plate；The two sides of the plate are slidably connected with corresponding groove；The N block plate is respectively from the lid
Enter in mold in N plate stitch of son；
S2 makes lightweight bulkhead bulk stock, and bulk stock need to make N+1 times altogether, is both needed to every time by 42.5 grades of silicate cements
Mud, haydite, flyash, with the smashed straw of beater grinder, alum, gypsum, propylben, bentonite, poly- carboxylic
Sour high efficiency water reducing agent and retarder carry out mixed at high speed stirring；N+1 mixing speed is different；Preceding n times are mixing
While stirring, bubble is injected into raw material, and the aperture of the air tube of the bubble of n times injection is different, injection length is also different；
S3 is respectively put into cylinder in the rectangular opening on the lid of mold, and the cylinder is cuboid, and the cylinder is transversal
The length in face and wide respectively than the long and wide small 3-30mm of the cross section of rectangular opening, the height of the cylinder is greater than the height of mold；
The raw material injection top surface that S4 makes the N+1 times includes in the rectangular parallelepiped space of rectangular opening；The original that preceding n times are made
Material is injected separately into remaining N number of rectangular parallelepiped space；Stand 1-3 hours；
S5 extracts the plate out, and the raw material of the N+1 times mixing is inserted into extraction plate bring gap；Static 2-5 is small
When；
S6 demoulding tool, extracts the cylinder out, obtains the lightweight bulkhead ontology of two layers of hollow structure of band；
S7 is embedded in several support rods in the hollow structure of the lightweight bulkhead ontology, and the both ends of the support rod are solid respectively
It is scheduled in the wider both sidewalls of hollow structure, the support rod is coated with sound-absorbing material；
S8 is placed and is dried maintenance.
Base case working principle and beneficial effect:
Two layers of hollow structure makes lightweight bulkhead of the invention possess two layers of air layer, can play two to the propagation of sound
The effect of secondary reduction and decaying, makes lightweight bulkhead possess good sound-insulation capability；The setting of support rod can enhance lightweight bulkhead
Integral strength can prevent from cracking using rear lightweight bulkhead for a long time, gently in addition the present invention possesses good drying shrinkage value
The case where matter partition sound-insulation capability is greatly reduced appearance；The sound-absorbing material wrapped up outside support rod, makes lightweight bulkhead sound-insulation capability
It further strengthens.
Gap bubble can be shaped after the raw material casting of preceding n times processing, the molding partition of this programme possesses N layers of hole bubble, N
Layer gap bubble can play the role of sound successively weakening, and the volume and distribution density for making each layer hole bubble of formation are respectively not
It is identical, it is compared with the hole alveolar layer of same distribution density and volume, communication process of the sound between hole alveolar layer will increase
Consumption, loss when sound is propagated in partition increase.Clapboard body can be made to possess good sound insulation effect.
Lightweight bulkhead produced by the invention possesses good sound-insulation capability, and the lightweight bulkhead mean transmission loss of 90mm specification reaches
(reach house bedroom as defined in " Code for sound insulation design of civil buildings " GB 50118-2010, living room (Room) and neighbour to 46.2dB
The sound insulation standard and party wall in family room, the sound insulation standard for dividing family floor) compared with existing product possess it is more excellent every
Sound ability.
Further, in S2, the weight quota proportion of the raw material of lightweight bulkhead ontology is made are as follows: 42.5 grades of normal silicate water
65 parts of mud, 25 parts of haydite, 15 parts of flyash, 10 parts of straw, 5 parts of alum, 8 parts of gypsum, 3 parts of propylben, bentonite 5
Part, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.5 part of compound retarder.
Sound insulation test shows that each raw material mixes latter made lightweight bulkhead ontology by this share proportion, possesses good
Sound-insulation capability.
Further, further include S9, in dry lightweight bulkhead surface brush sound-deadener, sound-deadener include styrene-acrylic emulsion,
Talcum powder, aluminium hydroxide, mica powder, dispersing agent, defoaming agent, reinforcing fiber and thickener.
After surface paints sound-deadener, the sound-insulation capability of lightweight bulkhead can be enhanced.
Further, in S9, each raw material weight share of the sound-deadener is matched are as follows: 5 parts of styrene-acrylic emulsion, talcum powder 10
Part, 5 parts of aluminium hydroxide, 10 parts of mica powder, 0.3 part of dispersing agent, 1.5 parts of defoaming agent, 0.2 part of reinforcing fiber and 0.5 part of thickener.
By the sound-deadener that this ingredient and production method are produced, there is good sound insulation effect.
Further, in S9, the production method of the sound-deadener are as follows: 10 parts of water and 0.3 part of dispersing agent is taken to be stirred
It is even, 10 parts of talcum powder, 5 parts of styrene-acrylic emulsions, 5 parts of aluminium hydroxides, 10 parts of mica powders, 0.2 are sequentially added under high speed decomposition condition
Part reinforcing fiber and 1.5 parts of defoaming agents are uniformly mixed, and are eventually adding 0.5 part of thickener and are adjusted consistency.
The sound-deadener sound insulation effect produced with this production method is preferable.
Further, in S9, rubber grain is mixed in the sound-deadener, the rubber grain is after coating regulates consistency
It is added in coating, and stirs 3 minutes.
Rubber grain has the effect of damping noise reduction, after rubber grain is uniformly blended into coating, can promote sound insulation coating
Sound-insulation capability.
Further, in S7, the both ends of the adjacent support rod are fixed in hollow structure in end to end form.
Using this structure, the shape of adjacent two support rods triangle similar with the side wall of hollow structure composition, triangle
Shape has stability, and the overall structure of lightweight bulkhead can be made more secured.
Further, in S7, the shaft of the support rod is equipped with bellmouth, and the hole point of bellmouth is located inside support rod,
Acoustical cotton is equipped at the point of hole, the opening of bellmouth is located on the side wall of support rod.
Bellmouth on support rod has the function of radio reception, will be handled after sound collecting by the acoustical cotton of hole point,
The sound come to conduction can weaken.
Further, in S7, the sound-absorbing material is acoustical cotton.
Specific embodiment
It is further described below by specific embodiment:
Specific implementation process is as follows:
Embodiment 1
A kind of production method of ceramsite concrete light-weight partition, comprising the following steps:
S1 makes mold, and the inside dimension of mold is 600mm*90mm*2500mm (long * wide * high), the cross of the lid of mold
Sectional dimension is 650mm*120mm；Big rectangular opening and two plate stitch, the size of rectangular opening cross section are equal there are two on lid etc.
For 350mm*22mm, the size of the cross section of plate stitch is 620mm*9mm；There are 2 blocks of plates, 2 blocks of plates and mold shape in mold
At 3 rectangular parallelepiped spaces, the top of intermediate rectangular space includes two rectangular openings of lid；The height of plate is
2550mm, with a thickness of 7mm；There is groove corresponding with plate on side wall in mold；Plate enters mold from the plate stitch of lid
Afterwards, the two sides of plate are slidably connected with corresponding groove；There are material hole in the two sides of any plate stitch；
S2 makes lightweight bulkhead bulk stock, and bulk stock need to make 3 times altogether, takes 42.5 grades of normal silicate water every time
65 parts of mud, 25 parts of haydite, 15 parts of flyash, 10 parts of rice straw crushed with beater grinder, 5 parts of alum, 8 parts of gypsum, Buddhist nun
Moor golden 3 parts of propyl ester, 5 parts of bentonite, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid and 0.5 part of compound retarder are put into agitating device, side
Waterside is added to stir, until high-speed stirred 20 minutes after moisture is sufficient；
3 mixing speed is respectively 1000 revolutions per seconds, 1500 revolutions per seconds and 800 revolutions per seconds；Preceding 2 annotate into bubble
The aperture of air tube be followed successively by 0.7CM and 0.3CM, the 3rd unimplanted bubble；The duration of air tube injection bubble when first 2 times production
Respectively 75 seconds and 120 seconds；
S3 is respectively put into cuboid cylinder, the length and width of cuboid cylinder cross section in the rectangular opening on the lid of mold
Respectively than the long and wide small 5mm of the cross section of rectangular opening；The height of cuboid cylinder is 2600mm；
S4 is applied in mold spread release agent after, the raw material that first 2 times make is injected separately into 2 rectangular parallelepiped spaces of two sides
In；In the intermediate rectangular parallelepiped space of the raw material injection that 3rd time is made；Stand 1.5 hours；
5S extract out plate, to extraction plate after leave insert in gap the 3rd time mix raw material；Stand 3 hours；
S6 demoulding tool, extracts the cylinder out, obtains the lightweight bulkhead ontology of two layers of hollow structure of band；
S7 is respectively embedded into the support rod that 30 root surfaces are enclosed with acoustical cotton in two layers of hollow structure, and support rod is cylinder
Body, high 40mm, cross-sectional diameter 5mm, support rod are PVC solid tubes；It is wider that the both ends of support rod are embedded in hollow structure respectively
Both sidewalls on, the form that the both ends of adjacent supports bar are intersected with head and the tail is in hollow structure；
The shaft of support rod is equipped with two rows of bellmouths, and two rows of bellmouths are symmetrically set using the axis of support rod as line of symmetry
It sets, the size of bellmouth is equal, and the spacing in every row's bellmouth between any two adjacent bellmouth is equal；The hole point of bellmouth
Inside support rod, acoustical cotton is filled at the point of hole；
S8 is placed and is dried maintenance.
Comparative example 1
Compared with Example 1, the difference is that, bentonite is not added in the raw material of lightweight bulkhead ontology.
Comparative example 2
Compared with Example 1, the difference is that, propylben is not added in the raw material of lightweight bulkhead ontology.
Comparative example 3
Compared with Example 1, the difference is that, alum is not added in the raw material of lightweight bulkhead ontology.
Comparative example 4
The difference is that, straw is not added in the raw material of lightweight bulkhead ontology compared to the examples,.
Comparative example 5
Compared with Example 1, the difference is that, in the raw material of lightweight bulkhead ontology, gypsum is 10 parts of (other raw material parts
Number is than constant).
Comparative example 6
Compared with Example 1, the difference is that, in the raw material of lightweight bulkhead ontology, rice straw is 5 parts, and (other are former
Expect that portion rate is constant).
Comparative example 7
Compared with Example 1, the difference is that, in the raw material of lightweight bulkhead ontology, alum is 3 parts of (other raw material parts
Number is than constant).
Comparative example 8
Compared with Example 1, the difference is that, in the raw material of lightweight bulkhead ontology, alum is 8 parts, (other raw material parts
Number is than constant).
Comparative example 9
For the lightweight bulkhead that can be bought on the market, what this was selected is Sichuan Ou Ke building materials Science and Technology Ltd. containing pottery
Grain lightweight bulkhead.
Embodiment 2
It compared with Example 1, the difference is that, further include S9, in the surface brush sound-deadener of lightweight bulkhead ontology, every
Sound coating is made of styrene-acrylic emulsion, talcum powder, aluminium hydroxide, mica powder, dispersing agent, defoaming agent, reinforcing fiber and thickener.
The production method of sound-deadening paint are as follows:
Take 10 parts of water and 0.3 part of dispersing agent to be uniformly mixed, sequentially added under high speed decomposition condition 10 parts of talcum powder,
5 parts of styrene-acrylic emulsions, 5 points of aluminium hydroxides, 10 parts of mica powders, 0.2 part of reinforcing fiber and 1.5 parts of defoaming agents are uniformly mixed, most
0.5 point of thickener is added afterwards and adjusts consistency.
Embodiment 3
Compared with Example 2, the difference is that, after coating regulates consistency, 1 part of rubber grain is added, with 500
Rev/min speed stir 3 minutes, make rubber grain in coating be uniformly mixed.
This experiment is using sound pressure level difference method, receiving chamber reverberation time under control centre's frequency, passes through test center
Sound source room's average sound pressure level and receiving chamber average sound pressure level under frequency, the average sound pressure level and receiving chamber average sound pressure of sound source room
The difference of grade, can embody the sound-insulation capability of lightweight bulkhead.
Sound insulation testing room includes sound source room and the receiving chamber of connection, wherein sound source chamber size 6.0m*5.6m*4.0m (long *
Wide * high), it receives chamber size 4.7m*5.0m*4.0m (long * wide * high).The incomplete phase of the volume and shape of sound source room and receiving chamber
It together, is to reduce test interference in order to avoid the normal frequency of two Room reduces oise insulation factor by the coupling of test specimen vibration mode
?.
Since the short low frequency reverberation time increases damping to normal frequencies a small number of in low-frequency range, normal wave width can be made to add
Greatly, the coupling between sound source room and lightweight bulkhead and between lightweight bulkhead and the normal mode mode of receiving chamber will weaken,
Keep test result more accurate.Therefore, the reverberation time in this experiment controls in 2S.
The sound of 125Hz, 250Hz, 500Hz, 1000Hz, 2000Hz and 4000Hz 6 centre frequencies of total has been selected in test
Signal, the B&K4417 type architectural acoustics analyzer and B&K4165 type microphone produced with B&K company, Denmark are detected.
The dimensions of this test lightweight bulkhead test specimen used is 90mm*600mm*2500mm (thick * wide * long).
The present invention has carried out the improvement for sound-insulation capability, the sound insulation of embodiment 1-3 in structure, materials and production
Ability is compared with existing product has good enhancing；Sound insulation, sound-absorbing structure in structure is more, and due to possessing two layers point
The cloth density hole alveolar layer different from volume, after raw material is increased and decreased, oise insulation factor of the invention is compared not with existing product
It can differ too big；Due to the setting that hollow structure and hole steep, the present invention compares surface density with existing lightweight bulkhead and decreases.
What table 1 recorded is that test specimen insulates against sound the performance of situation during the test.
Table 1
Table 2 is the thickness and surface density value of embodiment and comparative example.
Table 2
Table 3 is the flexural strength and drying shrinkage value measured according to the method and standard of GB/T 11969-2008.
Table 3
| Flexural strength (Mpa) | Drying shrinkage value (mm/m) | |
| Embodiment 1 | 3.7 | 0.42 |
| Comparative example 1 | 3.4 | 0.65 |
| Comparative example 2 | 3.5 | 0.68 |
| Comparative example 3 | 3.5 | 0.55 |
| Comparative example 4 | 3.4 | 0.53 |
| Comparative example 5 | 3.6 | 0.45 |
| Comparative example 6 | 3.7 | 0.47 |
| Comparative example 7 | 3.5 | 0.48 |
| Comparative example 8 | 3.7 | 0.43 |
| Comparative example 9 | 3.5 | 0.60 |
| Embodiment 2 | 3.7 | 0.42 |
| Embodiment 3 | 3.7 | 0.42 |
In conjunction with table 1, the data comparison of table 2 and table 3:
It is found by embodiment 1 and the comparison of comparative example 1-4, lacks bentonite, propylben, alum and rice straw
In any ingredient, sound-insulation capability of the invention will receive large effect.
By embodiment 1 and the comparison discovery of comparative example 5-8, when the weight fraction ratio of the raw material components of lightweight bulkhead ontology
Are as follows: 42.5 grades 65 parts of ordinary portland cement, 25 parts of haydite, 15 parts of flyash, 10 parts of straw, 5 parts of alum, 8 parts of gypsum,
At 3 parts of propylben, 5 parts of bentonite, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, 0.5 part of compound retarder, sound-insulation capability is preferable.
It is found by embodiment 2 and the comparison of embodiment 1, after lightweight bulkhead surface applies and spreads sound-deadener, sound-deadener
The transmitting that sound can be weakened promotes the sound-insulation capability of lightweight bulkhead.
It is found by embodiment 3 and the comparison of embodiment 2, the rubber grain being added in sound-deadener, the transmitting of sound is risen
Certain attenuation has been arrived, the sound-insulation capability of lightweight bulkhead is further improved.
Find that when being all 90mm specification, the present invention is due to hollow structure and sky by the comparison of embodiment 1 and comparative example 9
The characteristics of decreasing, strengthening lightweight bulkhead " light and handy ", is compared in the setting of gap bubble with the surface density of existing lightweight bulkhead.
By embodiment 1-3 and the comparison discovery of comparative example 9, mean transmission loss of the invention is better than existing lightweight bulkhead, every
Sound ability is better than existing lightweight bulkhead.
It is found by embodiment 1 and comparative example 1-8, the bentonite and nipalgin third in mid-board bulk stock of the present invention
Ester has a great impact to the drying shrinkage value of partition wall ontology；Alum and straw in partition wall bulk stock, to partition wall sheet
The drying shrinkage value of body also has large effect.
By embodiment 1-3 and the comparison discovery of comparative example 9, flexural strength value of the invention is greater than existing lightweight bulkhead, and
Drying shrinkage value is less than existing lightweight bulkhead, less frangibility, cracking in use.
Therefore it is concluded that
1 present invention has good sound-insulation capability, and mean transmission loss 46.2dB reaches " civil buildings sound insulation design rule
Model " house bedroom, living room (Room) as defined in GB 50118-2010 and adjacent family room sound insulation standard and party wall, divide family
The sound insulation standard of floor.
2 present invention have good flexural strength and drying shrinkage value, and when use is not easily broken and cracks, be less prone to because
The case where sound-insulation capability declines to a great extent caused by cracking.
3 surface densities of the invention are less than existing product, also enhance lightweight bulkhead simultaneously in the enhancing of sound-insulation capability and are convenient for
The advantages of transport, installation.
Embodiment 4
Compared with Example 3, the difference is that, there is sound absorption cavity in the inside of support rod, and sound absorption cavity is cylindrical body, sound absorption cavity
With support rod coaxial line, the hole point of bellmouth passes through the side wall of sound absorption cavity；There is sound-absorbing thin slice inside sound absorption cavity, sound-absorbing thin slice is preferred
Plastic material, sound-absorbing thin slice are rectangle, and upper and lower side is Nian Jie with the top and bottom of sound absorption cavity respectively, and sound-absorbing thin slice, which is located at, to be inhaled
The middle position of sound chamber.
After sound absorption cavity and sound-absorbing thin slice is added, after sound enters sound absorption cavity from the bellmouth of support rod, sound wave effect is thin
On piece can make thin slice generate slight vibration, and acoustic wave segment can be converted to mechanical energy, therefore sound can weaken.
Wherein the top and bottom of the sound absorption cavity of a support rod are bonded with small-sized magnet, the opposite face of two blocks of magnet respectively
Magnetic pole on the contrary, being wound with fine copper wire circle on thin slice in the sound absorption cavity, the both ends of coil are protruding from bellmouth, and access and lead
Line, a part of conducting wire are located at baffle surface, and conducting wire accesses at the position of baffle surface micro-current table, micro-current table spiral shell
Nail is fixed on baffle surface, the model JK61M/HDYDH8231 of micro-current table in the present embodiment.
The opposite two blocks of magnet of magnetic pole are added, and on thin slice after upper fine copper wire circle, it is thin when sound is transmitted on thin slice
When piece shakes, fine copper wire circle can cut the magnetic field between two blocks of magnet, generate micro-current, the micro-current shown by micro-current table
Size, it will be appreciated that the size of the sound of the sending of partition another side.In certain special circumstances, such as listened in bedroom with earphone
Song, people in parlor is busy to look for you, just vociferates you, normal condition you will not Awareness status, but using the present invention, as long as seeing
The current value that micro-current table is shown is bigger than normal, is known that in next room and produces the larger sound, can go to understand specific feelings in time
Condition.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (9)
1. a kind of production method of ceramsite concrete light-weight partition, it is characterised in that:
The following steps are included:
S1 makes mold, and the mold is equipped with lid, and the width of the lid is greater than the width of the mold；Have on the lid
Two rectangular openings and N plate stitch, the two sides of any rectangular opening are the longer sides of another rectangular opening and lid；Have in the mold
N block plate, N block plate and the mold form N+1 rectangular parallelepiped space, wherein the top surface of 1 rectangular parallelepiped space includes described
Two rectangular openings on lid；The height of plate is higher than the height of the mold；Side wall in the mold be equipped with it is described
The corresponding groove of plate；The two sides of the plate are slidably connected with corresponding groove；The N block plate is respectively from the lid
Enter in mold in N plate stitch；
S2 makes lightweight bulkhead bulk stock, and bulk stock need to make N+1 times altogether, be both needed to every time by 42.5 grades of portland cements,
It is haydite, flyash, high with the smashed straw of beater grinder, alum, gypsum, propylben, bentonite, polycarboxylic acids
It imitates water-reducing agent and retarder carries out mixed at high speed stirring；N+1 mixing speed is different；Preceding n times are being mixed
While, bubble is injected into raw material, and the aperture of the air tube of the bubble of n times injection is different, injection length is also different；
S3 is respectively put into cylinder in the rectangular opening on the lid of mold, and the cylinder is cuboid, the cylinder cross section
Long and wide respectively than the long and wide small 3-30mm of the cross section of rectangular opening, the height of the cylinder is greater than the height of mold；
The raw material injection top surface that S4 makes the N+1 times includes in the rectangular parallelepiped space of rectangular opening；The raw material that preceding n times are made point
It does not inject in remaining N number of rectangular parallelepiped space；Stand 1-3 hours；
S5 extracts the plate out, and the raw material of the N+1 times mixing is inserted into extraction plate bring gap；Static 2-5 hours；
S6 demoulding tool, extracts the cylinder out, obtains the lightweight bulkhead ontology of two layers of hollow structure of band；
S7 is embedded in several support rods in the hollow structure of the lightweight bulkhead ontology, and the both ends of the support rod are separately fixed at
In the wider both sidewalls of hollow structure, the support rod is coated with sound-absorbing material；
S8 is placed and is dried maintenance.
2. a kind of production method of ceramsite concrete light-weight partition according to claim 1, it is characterised in that: in S2, make lightweight
The weight quota of the raw material of clapboard body matches are as follows: and 42.5 grades 65 parts of ordinary portland cement, 25 parts of haydite, 15 parts of flyash,
It is 10 parts of straw, 5 parts of alum, 8 parts of gypsum, 3 parts of propylben, 5 parts of bentonite, 0.5 part of high-efficiency water-reducing agent of poly-carboxylic acid, multiple
Close 0.5 part of retarder.
3. a kind of production method of ceramsite concrete light-weight partition according to claim 1, it is characterised in that: further include S9, dry
Dry lightweight bulkhead surface brush sound-deadener, sound-deadener include styrene-acrylic emulsion, talcum powder, aluminium hydroxide, mica powder, dispersion
Agent, defoaming agent, reinforcing fiber and thickener.
4. a kind of production method of ceramsite concrete light-weight partition according to claim 3, it is characterised in that: in S9, the sound insulation
Each raw material weight share of coating matches are as follows: 5 parts of styrene-acrylic emulsion, 10 parts of talcum powder, 5 parts of aluminium hydroxide, 10 parts of mica powder, dispersion
0.3 part of agent, 1.5 parts of defoaming agent, 0.2 part of reinforcing fiber and 0.5 part of thickener.
5. a kind of production method of ceramsite concrete light-weight partition according to claim 4, it is characterised in that: in S9, the sound insulation
The production method of coating are as follows: take 10 parts of water and 0.3 part of dispersing agent to be uniformly mixed, sequentially add 10 under high speed decomposition condition
Part talcum powder, 5 parts of styrene-acrylic emulsions, 5 parts of aluminium hydroxides, 10 parts of mica powders, 0.2 part of reinforcing fiber and 1.5 parts of defoaming agents stirrings are mixed
It closes uniformly, is eventually adding 0.5 part of thickener and adjusts consistency.
6. a kind of production method of ceramsite concrete light-weight partition according to claim 5, it is characterised in that: in S9, the sound insulation
Rubber grain is mixed in coating, the rubber grain is added in coating after coating regulates consistency, and stirs 3 minutes.
7. a kind of production method of ceramsite concrete light-weight partition according to claim 1, it is characterised in that: in S7, adjacent institute
The both ends of support rod are stated to be fixed in hollow structure in end to end form.
8. a kind of production method of ceramsite concrete light-weight partition according to claim 1, it is characterised in that: in S7, the support
The shaft of bar is equipped with bellmouth, and the hole point of bellmouth is located inside support rod, and acoustical cotton, the opening of bellmouth are equipped at the point of hole
On the side wall of support rod.
9. a kind of production method of ceramsite concrete light-weight partition according to claim 1, it is characterised in that: in S7, the sound absorption
Material is acoustical cotton.
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| CN201811362408.8A CN109483731B (en) | 2018-11-15 | 2018-11-15 | Production method of ceramsite light partition plate |
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Cited By (1)
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| CN113773010A (en) * | 2021-08-05 | 2021-12-10 | 山东高速工程建设集团有限公司 | Preparation method of high-elasticity anti-crack sprayed concrete |
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| GB444762A (en) * | 1934-09-25 | 1936-03-25 | Indian Patent Stone Company Lt | Improvements in or relating to the building of structures such as walls, partitions, floors and the like |
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|---|---|
| CN109483731B (en) | 2020-08-18 |
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