CN220162738U - Device for modifying EPS particles and spraying shell - Google Patents
Device for modifying EPS particles and spraying shell Download PDFInfo
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- CN220162738U CN220162738U CN202321595643.6U CN202321595643U CN220162738U CN 220162738 U CN220162738 U CN 220162738U CN 202321595643 U CN202321595643 U CN 202321595643U CN 220162738 U CN220162738 U CN 220162738U
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- Prior art keywords
- stirring
- eps
- eps particles
- inorganic mixed
- quantitative
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- 239000002245 particle Substances 0.000 title claims abstract description 54
- 238000005507 spraying Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 72
- 238000003756 stirring Methods 0.000 claims abstract description 55
- 239000000853 adhesive Substances 0.000 claims abstract description 29
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 229910021487 silica fume Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003860 storage Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000009736 wetting Methods 0.000 abstract description 2
- 239000004794 expanded polystyrene Substances 0.000 description 33
- 239000011230 binding agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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Abstract
The utility model discloses a device for modifying EPS particles and spraying to form shells, belonging to the technical field of concrete; the stirring device comprises a stirring bin, a material adder and a quantitative sprayer, wherein the material adder and the quantitative sprayer are respectively communicated with the stirring bin, and a stirring mechanism with stirring blades is arranged in the stirring bin; the material adder is obliquely downwards arranged on the stirring bin, the material adder comprises an EPS particle main channel and an inorganic mixed material auxiliary channel, and a plurality of quantitative sprayers are obliquely downwards arranged on the stirring bin; according to the novel EPS material mixing device, the auxiliary channels of the inorganic mixed materials are arranged outside the main channels of the EPS particles in a rotating way, and the auxiliary channels of the inorganic mixed materials have the charging chambers with the quantitative storage function, so that the technical purpose of quantitative addition at intervals can be realized when the inorganic mixed materials are added, and the mixing precision of the inorganic mixed materials and the EPS particles is improved; the technical scheme of spraying adhesive on rolling EPS particles, wetting the particles, and paving cement, fly ash and other materials on the particles to form a silicate shell is realized.
Description
Technical Field
The utility model relates to the technical field of concrete, in particular to a device for modifying EPS particles and spraying to form shells.
Background
The Expanded Polystyrene (EPS) concrete is particularly in line with the current requirements of green buildings due to low density, water absorption and heat conductivity coefficient, and is widely applied to heat preservation wallboards and cast-in-situ walls. However, the surface of the EPS particles has stronger hydrophobicity, the EPS particles are easy to float in the concrete after hardening, the distribution is uneven, and the EPS particles are difficult to form a strong bonding effect in an interface transition zone due to the hydrophobicity of EPS, so that the EPS concrete after hardening has low strength and is difficult to be used as a structural material of a building at present.
Therefore, EPS concrete is required to improve its performance by modifying coated EPS particles as an important material for low-carbon construction.
Disclosure of Invention
The utility model provides a device for modifying, spraying and shell-making EPS particles, which is used for realizing the technical scheme of spraying an adhesive on rolling EPS particles, wetting the particles, and paving cement, fly ash and other materials on the particles to form a silicate shell.
In order to achieve the aim, the utility model provides a device for modifying, spraying and shell making EPS particles, which comprises a stirring bin, and a material adder and a quantitative sprayer which are respectively communicated with the stirring bin, wherein a stirring mechanism with stirring blades is arranged in the stirring bin;
the material adder is obliquely downwards arranged on the stirring bin and comprises an EPS particle main channel and an inorganic mixed material auxiliary channel, a containing cavity for placing the inorganic mixed material auxiliary channel is arranged outside the EPS particle main channel, the outer wall of the inorganic mixed material auxiliary channel is rotatably attached to the inner wall of the containing cavity, a main discharge hole is formed in the bottom of the containing cavity, the main discharge hole is located at the lower inclined end, and the opening area of the main discharge hole is smaller than the bottom area of the containing cavity; the auxiliary channel for inorganic mixed materials is provided with at least two feeding chambers, each feeding chamber is provided with an auxiliary discharge hole, and the area between the adjacent auxiliary discharge holes is not smaller than the opening area of the main discharge hole;
a plurality of quantitative sprayers are obliquely downwards arranged on the stirring bin, and the quantitative sprayers are circumferentially and alternately arranged along the stirring bin.
Preferably, in the utility model, stirring blades of the stirring mechanism are distributed in the middle of the stirring bin.
Preferably, in the present utility model, the auxiliary channel of inorganic hybrid material is connected to the rotating electric machine through a driving belt.
Preferably, the number of the charging chambers is 3, and the volume of each charging chamber is the same.
Preferably, the opening area of the auxiliary discharging port is not larger than the opening area of the main discharging port.
Preferably, a slope structure is arranged at the auxiliary discharging hole.
Preferably, the quantitative sprayer is provided with a hollow cavity, a piston is arranged in the hollow cavity, a displacement sensor is arranged on the piston, the piston divides the hollow cavity to form a gas filling cavity and an adhesive accommodating cavity, and a gas inlet is arranged on the gas filling cavity; the adhesive containing cavity is provided with an adhesive inlet and an adhesive outlet.
Preferably, the binder is a polyvinyl alcohol solution, the ratio of polyvinyl alcohol to water being 1:1000; the inorganic mixed material is cement, fly ash and silica fume according to the proportion of 2:2:1, and mixing the materials in proportion.
Preferably, the ratio of binder, inorganic hybrid material and EPS particles is 1:2:20.
Preferably EPS particles of 2 to 6mm, apparent density of 27 to 32kg/m 3 。
Compared with the prior art, the utility model has the following beneficial effects:
1) The auxiliary channels of the inorganic mixed materials are arranged outside the main channels of the EPS particles in a rotating way, and the auxiliary channels of the inorganic mixed materials have the charging chambers with quantitative storage function, so that the technical purpose of quantitative addition at intervals can be realized when the inorganic mixed materials are added, and the mixing precision of the inorganic mixed materials and the EPS particles is improved;
2) The displacement sensor is arranged on the piston, so that the displacement of the piston can be fed back in real time, and the quantitative addition of the adhesive is completed by adjusting the filling amount of the gas.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an apparatus for modifying EPS particles to form shells by spraying;
FIG. 2 is a schematic view of the material adder of FIG. 1;
FIG. 3 is a schematic view of the main channel of EPS particles in FIG. 2;
FIG. 4 is a schematic diagram of the secondary channel of the inorganic hybrid material of FIG. 2;
FIG. 5 is a schematic view of the structure of the metered dose spray device of FIG. 1;
wherein, stirring storehouse 1, material adder 2, ration atomizer 3, rabbling mechanism 4, EPS granule main channel 5, inorganic mixed material assist channel 6, holding cavity 7, main discharge gate 8, charging chamber 9, assist discharge gate 10, belt 11, rotating electrical machines 12, slope structure 13, piston 14, displacement sensor 15, gas filling chamber 16, adhesive accommodation chamber 17, air inlet 18, adhesive import 19, adhesive export 20.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1 to 5, the utility model provides a device for modifying and spraying EPS particles to form shells, which comprises a stirring bin 1 for containing EPS particles, wherein the stirring function is very common in the prior art, so the specific structure of the stirring bin 1 is not repeated, as long as the stirring function can be realized; the stirring bin 1 is internally provided with a stirring mechanism 4 with stirring blades, and as the stirring function is very common in the prior art, the specific structure of the stirring blades and the stirring mechanism 4 thereof is not repeated, so long as the stirring function can be realized; further, in order to ensure the stirring effect and simultaneously avoid excessive adhesion of materials and adhesives on the transmission shaft of the stirring mechanism 4, the arrangement positions of stirring blades of the stirring mechanism 4 are distributed in the middle of the stirring bin 1;
the stirring bin 1 is respectively communicated with the material adder 2 and the quantitative sprayer 3 to complete the material adding function and the quantitative spraying function, and the concrete structure and the installation position are as follows:
the material adder 2 is arranged on the stirring bin 1 in an inclined downward mode, and of course, the inclination angle of the material adder 2 can be a fixed angle or an adjustable angle, and various adjustable modes are available, for example, the material adder 2 is hinged with the stirring bin 1, and the angle adjustment is carried out in a mode that the material adder 2 is manually rotated or a motor drives a hinge shaft to rotate; the material adder 2 comprises an EPS particle main channel 5 and an inorganic mixed material auxiliary channel 6, a containing cavity 7 for placing the inorganic mixed material auxiliary channel 6 is arranged outside the EPS particle main channel 5, the outer wall of the inorganic mixed material auxiliary channel 6 is rotatably attached to the inner wall of the containing cavity 7, wherein the rotation function can be realized manually or electrically, for example, the inorganic mixed material auxiliary channel 6 is connected with a rotating motor 12 through a transmission belt 11; the bottom of the accommodating cavity 7 is provided with a main discharge hole 8, and in order to ensure the smooth outflow of materials, the main discharge hole 8 is arranged at a lower inclined end with a lower height, so that the materials can smoothly flow out from the left and right sides of the gravity, and the opening area of the main discharge hole 8 is smaller than the bottom area of the accommodating cavity 7; the auxiliary channel 6 for inorganic mixed materials is provided with at least two feeding chambers 9, and as a preferable scheme, the number of the feeding chambers 9 is limited to 3, and the volumes of each feeding chamber 9 are the same, so that the consistency of the feeding amount of each time is ensured; each charging chamber 9 is provided with an auxiliary discharging hole 10, wherein in order to ensure smooth outflow of materials, the auxiliary discharging holes 10 are arranged to be slope structures 13, the area between adjacent auxiliary discharging holes 10 is not smaller than the opening area of the main discharging hole 8, and further, the opening area of the auxiliary discharging holes 10 is not larger than the opening area of the main discharging hole 8, so that all materials in the charging chambers 9 can flow out, and the problem that the materials cannot flow out completely due to the fact that the main discharging hole 8 is too small is avoided; in sum, through rotating the auxiliary channel 6 of inorganic mixed material outside the main channel 5 of EPS particles, and the auxiliary channel 6 of inorganic mixed material has the charging chamber 9 of quantitative storage function for can realize the technical purpose of interval time ration when adding inorganic mixed material, improve the mixing precision of inorganic mixed material and EPS particles.
A plurality of quantitative sprayers 3 are obliquely downwards arranged on the stirring bin 1, and the quantitative sprayers 3 are arranged at intervals along the circumferential direction of the stirring bin 1; as a specific embodiment, the quantitative sprayer 3 of the utility model is provided with a hollow cavity, a piston 14 is arranged in the hollow cavity, a displacement sensor 15 is arranged on the piston 14, the piston 14 divides the hollow cavity to form a gas filling cavity 16 and an adhesive containing cavity 17, and a gas inlet 18 is arranged on the gas filling cavity 16; the adhesive containing cavity 17 is provided with an adhesive inlet 19 and an adhesive outlet 20; namely, the displacement sensor 15 is arranged on the piston 14, so that the displacement of the piston 14 can be fed back in real time, and the quantitative addition of the adhesive is completed by adjusting the filling amount of the gas.
The adhesive is a polyvinyl alcohol solution, and the ratio of polyvinyl alcohol to water is 1:1000; the inorganic mixed material is cement, fly ash and silica fume according to the proportion of 2:2:1, mixing the materials in proportion; the ratio of the adhesive to the inorganic mixed material to the EPS particles is 1:2:20; EPS particles of 2-6mm and apparent density of 27-32kg/m3.
The specific adding scheme is as follows: the adhesive is added for 3 times, stirring is started to add 3/5, stirring is performed for 120s to add 1/5, and stirring is performed for 120s to add 1/5; the inorganic mixed material is added for 3 times, the 1 st time is added with 1/3 of the sprayed adhesive, the 2 nd time is added with 1/3 of the sprayed adhesive, the 3 rd time is added with 1/3 of the sprayed adhesive, and the mixture is stirred for 40s to discharge. The aim of using the high molecular adhesive (HMPC) is to improve the surface hydrophobicity of EPS particles, so that inorganic mixed materials are tightly adhered to the surfaces of EPS particles, thereby improving the problem that EPS particles are not tightly adhered in an interface transition region in a self-heat-preserving building block, and improving the strength. The inorganic mixed material has the advantages that the cement in the inorganic mixed material can effectively improve the strength of the coated silicate shell, the fly ash is a mineral admixture with low price, the cost can be reduced by using a part of fly ash to replace cement, the particle size of the silica fume is small, and the dispersion degree among particles can be increased in the coating process.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (10)
1. The device for modifying, spraying and shell making EPS particles is characterized by comprising a stirring bin, a material adder and a quantitative sprayer, wherein the material adder and the quantitative sprayer are respectively communicated with the stirring bin, and a stirring mechanism with stirring blades is arranged in the stirring bin;
the material adder is obliquely downwards arranged on the stirring bin and comprises an EPS particle main channel and an inorganic mixed material auxiliary channel, a containing cavity for placing the inorganic mixed material auxiliary channel is arranged outside the EPS particle main channel, the outer wall of the inorganic mixed material auxiliary channel is rotatably attached to the inner wall of the containing cavity, a main discharge hole is formed in the bottom of the containing cavity, the main discharge hole is located at the lower inclined end, and the opening area of the main discharge hole is smaller than the bottom area of the containing cavity; the auxiliary channel for inorganic mixed materials is provided with at least two feeding chambers, each feeding chamber is provided with an auxiliary discharge hole, and the area between the adjacent auxiliary discharge holes is not smaller than the opening area of the main discharge hole;
a plurality of quantitative sprayers are obliquely downwards arranged on the stirring bin, and the quantitative sprayers are circumferentially and alternately arranged along the stirring bin.
2. The device for modifying and spraying EPS particles to form shells according to claim 1, wherein: stirring mechanism's stirring vane distributes in the middle part of stirring storehouse.
3. The device for modifying and spraying EPS particles to form shells according to claim 1, wherein: the auxiliary channel of the inorganic mixed material is connected with the rotating motor through a transmission belt.
4. A device for modifying and spray-shelled EPS particles according to claim 3, characterized in that: the number of the charging chambers is 3, and the volume of each charging chamber is the same.
5. The apparatus for modified spray shelled EPS particles as claimed in claim 4, wherein: the opening area of the auxiliary discharging hole is not larger than that of the main discharging hole.
6. The apparatus for modified spray shelled EPS particles as claimed in claim 5, wherein: and a slope structure is arranged at the auxiliary discharging hole.
7. The device for modified spray shell making of EPS particles according to claim 1 or 6 wherein: the quantitative sprayer is provided with a hollow cavity, a piston is arranged in the hollow cavity, a displacement sensor is arranged on the piston, the piston divides the hollow cavity to form a gas filling cavity and an adhesive accommodating cavity, and an air inlet is arranged on the gas filling cavity; the adhesive containing cavity is provided with an adhesive inlet and an adhesive outlet.
8. The device for modifying and spraying EPS particles to form shells according to claim 1, wherein: the adhesive is polyvinyl alcohol solution, and the ratio of polyvinyl alcohol to water is 1:1000; the inorganic mixed material is cement, fly ash and silica fume according to the proportion of 2:2:1, and mixing the materials in proportion.
9. The apparatus for modified spray shelled EPS particles according to claim 8, wherein: the ratio of the adhesive to the inorganic mixed material to the EPS particles is 1:2:20.
10. The apparatus for modified spray shelled EPS particles according to claim 9, wherein: EPS particles of 2-6mm and apparent density of 27-32kg/m 3 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595643.6U CN220162738U (en) | 2023-06-21 | 2023-06-21 | Device for modifying EPS particles and spraying shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321595643.6U CN220162738U (en) | 2023-06-21 | 2023-06-21 | Device for modifying EPS particles and spraying shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220162738U true CN220162738U (en) | 2023-12-12 |
Family
ID=89055388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321595643.6U Active CN220162738U (en) | 2023-06-21 | 2023-06-21 | Device for modifying EPS particles and spraying shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220162738U (en) |
-
2023
- 2023-06-21 CN CN202321595643.6U patent/CN220162738U/en active Active
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