CN115403953A - Exterior wall putty powder with good water absorption and impact resistance and preparation method thereof - Google Patents
Exterior wall putty powder with good water absorption and impact resistance and preparation method thereof Download PDFInfo
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- CN115403953A CN115403953A CN202211192055.8A CN202211192055A CN115403953A CN 115403953 A CN115403953 A CN 115403953A CN 202211192055 A CN202211192055 A CN 202211192055A CN 115403953 A CN115403953 A CN 115403953A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/06—Cone or disc shaped screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
- G01G19/24—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them using a single weighing apparatus
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- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention relates to the technical field of putty powder for external walls, in particular to putty powder for external walls with good water absorption and impact resistance and a preparation method thereof, wherein the putty powder consists of white cement, quartz sand, calcium carbonate, bentonite, cellulose, gypsum powder, rubber powder and formaldehyde absorbent; cellulose is an effective thickening agent and rheological additive, and the addition of the cellulose can improve the rheological property of the crack-resistant and leakage-resistant putty powder; the bentonite has the advantages of obvious low thickening effect and high thixotropy, can play a role of a filler, and can increase the water absorption of the putty powder through the water absorption of the gypsum powder.
Description
Technical Field
The invention relates to the technical field of exterior wall putty powder, in particular to exterior wall putty powder with good water absorption and impact resistance and a preparation method thereof.
Background
The putty powder is one kind of building decoration material and has talcum powder and glue as main components. The putty powder is a base material for repairing and leveling the wall surface, and lays a good foundation for the next step of decoration (painting and wallpaper pasting). The putty powder is divided into an inner wall and an outer wall, and the putty powder for the outer wall has large adhesiveness, high strength and slightly low environmental protection index because the putty powder for the outer wall resists wind, wind and sunlight. The interior wall putty powder has better comprehensive index, is healthy and environment-friendly, so that the interior wall is not externally used and the exterior wall is not internally used. The putty powder is generally gypsum or cement based, so that the surface roughness is easier to bond firmly. But a layer of interface agent is coated on the base layer to seal the base layer and improve the adhesion of the wall surface during construction, so that the putty powder can be better bonded on the base surface,
at present, the exterior wall putty powder used for building decoration generally has poor moisture-proof effect and oxidation resistance effect, the wall surface is easy to damp and chalk after being used, the decoration aesthetic feeling is reduced, and even the phenomena of peeling, cracking and falling occur, and the environmental protection performance of the putty powder is not good, so that the air quality can not be improved, and the actual use requirement can not be met.
Therefore, it is necessary to provide an exterior wall putty powder with good water absorption and impact resistance and a preparation method thereof to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides the exterior wall putty powder with good water absorption and impact resistance and the preparation method thereof.
The invention provides good-water-absorption impact-resistant exterior wall putty powder which comprises white cement, quartz sand, calcium carbonate, carbon ash powder, bentonite, cellulose, gypsum powder, rubber powder and a formaldehyde absorbent, wherein a putty powder base material comprises the following components in parts by weight: 20 to 25 portions of white cement, 25 to 30 portions of quartz sand, 30 to 40 portions of fly ash, 10 to 15 portions of carbon ash powder, 2 to 5 portions of bentonite, 1 to 3 portions of cellulose, 2 to 5 portions of gypsum powder, 6 to 10 portions of rubber powder and 8 to 10 portions of formaldehyde absorbent.
Preferably, the mesh number of the double flying powder is more than 250 meshes, and the mesh number of the white cement is more than 400 meshes.
Preferably, the formaldehyde absorbent consists of nano live ore, coconut carbon and activated alumina, the cellulose consists of hydroxypropyl methyl cellulose, lignocellulose and polypropylene fiber, and the rubber powder is latex powder.
A preparation method of exterior wall putty powder with good water absorption and impact resistance comprises the following specific steps:
step one, screening raw materials: screening the white cement and the double fly ash through a screening device, and mixing the screened double fly ash with quartz sand to prepare composite powder for later use;
step two, bentonite pretreatment: placing bentonite into a stirring container, then adding a proper amount of hydrochloric acid solution with the mass fraction of 7% into the stirring container, heating the stirring container until the materials are uniformly stirred, cleaning with absolute ethyl alcohol, vacuumizing, and finally collecting the bentonite for later use;
step three, preparing a formaldehyde absorbent: uniformly mixing the nano live ore, the coconut fiber carbon and the activated alumina through a mixing device to prepare a formaldehyde absorbent;
step four, weighing the raw materials: white cement, quartz sand, calcium carbonate, bentonite, cellulose, gypsum powder, rubber powder and formaldehyde absorbent are weighed by weight through a weighing device, and are placed in a raw material tray of the weighing device to be used as putty powder raw materials for later use;
step five, preparing putty powder: the putty powder raw material and formaldehyde absorbent are homogenized according to weight percentage, and the exterior wall putty powder with good water absorption and impact resistance is prepared after heating and drying.
Preferably, the sieving mechanism includes the screening section of thick bamboo, the top of screening section of thick bamboo is open structure, be equipped with the fixed slot of camber on the outer wall of screening section of thick bamboo, placed the screening board that has the filter screen on the fixed slot, the terminal surface fixed connection rotary rod of screening board, the one end swing joint rotor plate of rotary rod, the bottom fixed connection pivot of rotor plate, the shaft coupling rotating electrical machines is passed through in the pivot, the rotating electrical machines is placed on the motor cabinet, the inside flitch that is equipped with of screening section of thick bamboo of screening board below, go out the flitch slope and set up, the discharge gate of screening section of thick bamboo outer wall is connected to the bottom that goes out the flitch.
Preferably, the screening board quantity is a plurality of, the quantity of rotary rod and screening board is unanimous to the one-to-one, the mesh number of the filter screen between the screening board is different.
Preferably, an upper material barrel with an upper opening and a lower opening is arranged above the screening barrel, the upper part of the end face of the upper material barrel is connected with a sliding block through a connecting plate, the sliding block is connected with an electric sliding rail in a sliding manner, the bottom of the electric sliding rail is connected with a support, and the bottom of the upper material barrel is located at the upper end of the inside of the screening barrel.
Preferably, the weighing device comprises a base, a weighing barrel is connected to the base in a rotating mode, the bottom of the weighing barrel is connected with a weighing motor through a lower rotating shaft, the weighing motor is placed in a weighing motor groove in the base, the inner wall of the weighing barrel is connected with a weighing plate provided with a weight sensor through a weighing rotating shaft in a rotating mode, one end of the weighing rotating shaft is connected with a small motor through a coupling, a weighing discharging plate which is obliquely arranged is arranged below the weighing plate, the bottom of the weighing discharging plate is connected with a weighing discharging hole, a collecting disc is placed on the base below the weighing discharging hole, and a plurality of collecting grooves are formed in the top of the collecting disc in an installing mode.
Preferably, the collecting tray is of a circular ring structure, the collecting tray is placed in a placing groove in the base, one end of the weighing discharge hole is connected with a discharge pipe which is obliquely arranged, and the bottom of the discharge pipe is located above the collecting groove.
Compared with the prior art, the exterior wall putty powder with good water absorption and impact resistance and the preparation method thereof have the following beneficial effects:
1. white cement is used as a base material, the white cement is used as a hydraulic bonding material, the white cement can improve the bonding strength of putty powder, improve the water absorption of the putty powder, increase the thickness of a powder layer of the putty powder and reduce the construction difficulty, quartz sand and calcium carbonate are prepared into composite powder which is used as a filler, the composite powder is prepared and then added into the white cement together with an anti-cracking agent, the leveling property of the putty powder can be improved, so that the anti-cracking property of the putty powder can be improved, carbon ash stone powder, bentonite, fiber powder and gypsum powder are used as additives and added into the white cement mixed with the composite powder, wollastonite has a special needle-shaped structure, and the addition of the wollastonite can remarkably improve the anti-cracking property of the putty powder; cellulose is an effective thickening agent and rheological additive, and the addition of the cellulose can improve the rheological property of the crack-resistant and leakage-resistant putty powder; the bentonite has obvious thickening effect, low thixotropy and can play a role of a filler, and the water absorption of the putty powder is increased through the gypsum powder and the water absorption of the gypsum powder;
2. according to the invention, by arranging the movable screening plates, when the screening plates need to be replaced, the screening plates can be moved out of the fixed grooves, the screening plates with different meshes are replaced, and then screening with different specifications is carried out, and by arranging the plurality of screening plates and setting the meshes between the screening plates to be different, the screening plates can be quickly replaced by the rotating motor;
3. according to the invention, through the collection discs with the collection grooves, different materials weighed by the weighing plate can enter different collection grooves through the weighing discharge holes, and then the materials are placed in a classified manner, so that the subsequent mixing operation is facilitated, and through the arrangement of the mounting grooves, the collection discs can be placed in the placement grooves, so that the collection discs are conveniently positioned below the discharge pipes, and further the discharge is facilitated.
Drawings
FIG. 1 is a schematic flow chart of a preparation method with good water absorption and impact resistance provided by the invention;
FIG. 2 is a schematic view of the screening apparatus;
FIG. 3 is a schematic view of the screening apparatus shown in FIG. 2 connected to an electric slide;
FIG. 4 is a schematic view of the upper portion of the screening apparatus shown in FIG. 2;
FIG. 5 is a schematic view of the weighing apparatus;
FIG. 6 is a schematic view of the weighing apparatus of FIG. 5 at another angle;
the reference numbers in the figures: 1. a screening cylinder; 2. fixing grooves; 3. a rotating plate; 4. rotating the rod; 5. screening the plate; 6. a rotating shaft; 7. a rotating electric machine; 8. a motor base; 9. a discharge port; 10. feeding a material barrel; 11. a connecting plate; 12. a slider; 13. an electric slide rail; 14. a support; 15. a discharge plate; 20. a base; 21. a weighing cylinder; 22. a small-sized motor; 23. a discharge pipe; 24. collecting tank; 25. a placing groove; 26. a collection tray; 27. and (4) weighing plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
The exterior wall putty powder with good water absorption and impact resistance consists of white cement, quartz sand, double flying powder, carbon limestone powder, bentonite, cellulose, gypsum powder, rubber powder and a formaldehyde absorbent, wherein the putty powder base material comprises the following components in parts by weight: 20 to 25 portions of white cement, 25 to 30 portions of quartz sand, 30 to 40 portions of fly ash, 10 to 15 portions of carbon ash powder, 2 to 5 portions of bentonite, 1 to 3 portions of cellulose, 2 to 5 portions of gypsum powder, 6 to 10 portions of rubber powder and 8 to 10 portions of formaldehyde absorbent.
It should be noted that: the white cement is used as a base material, the white cement is used as a hydraulic binding material, the white cement can improve the binding strength of the putty powder, improve the water absorption of the putty powder, increase the thickness of a powder layer of the putty powder and reduce the construction difficulty, the quartz sand and the calcium carbonate are prepared into composite powder which is used as a filler, the composite powder is added into the white cement together with an anti-cracking agent after being prepared into the composite powder, the leveling property of the putty powder can be improved, and therefore, the anti-cracking property of the putty powder can be improved, the carbon limestone powder, the bentonite, the fiber powder and the gypsum powder are used as auxiliary agents and are added into the white cement mixed with the composite powder, wollastonite has a special needle-like structure, and the addition of the wollastonite can obviously improve the anti-cracking property of the putty powder; cellulose is an effective thickening agent and rheological additive, and the addition of the cellulose can improve the rheological property of the crack-resistant and leakage-resistant putty powder; the bentonite has obvious thickening effect, low thixotropy and can play a role of a filler, and the water absorption of the putty powder is increased through the gypsum powder and the water absorption of the gypsum powder;
in the embodiment of the invention, the mesh number of the double fly ash is more than 250 meshes, and the mesh number of the white cement is more than 400 meshes.
It should be noted that: by selecting more exquisite double-flying powder and white cement, the quality of the putty powder is improved and the appearance effect is better after the subsequent finished product is obtained;
in the embodiment of the invention, the formaldehyde absorbent consists of nano live ore, coconut carbon and activated alumina, the cellulose consists of hydroxypropyl methyl cellulose, lignocellulose and polypropylene fiber, and the rubber powder is latex powder.
It should be noted that: the formaldehyde absorbent adopts nano live ore, coconut fiber carbon and activated alumina with higher hardness, and can be commonly filled to increase the wear resistance of the putty powder when in use;
a preparation method of exterior wall putty powder with good water absorption and impact resistance comprises the following specific steps:
step one, screening raw materials: screening the white cement and the double fly ash through a screening device, and mixing the screened double fly ash with quartz sand to prepare composite powder for later use;
step two, bentonite pretreatment: placing bentonite into a stirring container, then adding a proper amount of hydrochloric acid solution with the mass fraction of 7% into the stirring container, heating the stirring container until the materials are uniformly stirred, cleaning with absolute ethyl alcohol, vacuumizing, and finally collecting the bentonite for later use;
step three, preparing a formaldehyde absorbent: uniformly mixing the nano live ore, the coconut carbon and the activated alumina through a mixing device to prepare a formaldehyde absorbent;
step four, weighing the raw materials: white cement, quartz sand, double flying powder, carbon ash powder, bentonite, cellulose, gypsum powder, rubber powder and formaldehyde absorbent are weighed by weight through a weighing device, and are placed in a raw material tray of the weighing device to be used as putty powder raw materials for later use;
step five, preparing putty powder: the putty powder raw material and formaldehyde absorbent are homogenized according to weight percentage, and the putty powder for the exterior wall with good water absorption and impact resistance is prepared after heating and drying.
In the embodiment of the invention, referring to fig. 2 and 4, the screening device includes a screening drum 1, the top of the screening drum 1 is of an open structure, an arc-shaped fixing groove 2 is formed in the outer wall of the screening drum 1, a screening plate 5 with a filter screen is placed on the fixing groove 2, the end surface of the screening plate 5 is fixedly connected with a rotating rod 4, one end of the rotating rod 4 is movably connected with a rotating plate 3, the bottom of the rotating plate 3 is fixedly connected with a rotating shaft 6, the rotating shaft 6 is connected with a rotating motor 7 through a coupler, the rotating motor 7 is placed on a motor base 8, a discharging plate 15 is arranged inside the screening drum 1 below the screening plate 5, the discharging plate 15 is obliquely arranged, and the bottom of the discharging plate 15 is connected with a discharging port 9 in the outer wall of the screening drum 1.
It should be noted that: by arranging the movable screening plate 5, when the screening plate 5 needs to be replaced, the screening plate 5 can be moved out of the fixed groove 2, and screening plates 5 with different meshes are replaced, so that different screens are performed;
in the embodiment of the present invention, referring to fig. 3, the number of the screening plates 5 is multiple, the number of the rotating rods 4 is the same as that of the screening plates 5, and the rotating rods correspond to the screening plates 5 one by one, and the mesh number of the filter screens between the screening plates 5 is different.
It should be noted that: by arranging a plurality of screening plates 5 and setting the mesh number between the screening plates 5 to be different, the screening plates 5 can be driven to rotate by the rotating motor 7, so that the screening plates 5 can be quickly replaced;
in the embodiment of the invention, referring to fig. 3, an upper material barrel 10 with an upper opening and a lower opening is arranged above the screening barrel, and the upper part of the end surface of the upper material barrel 10 is connected with a slide block 12 through a connecting plate 11; the sliding block 12 is connected with an electric sliding rail 13 in a sliding manner, the bottom of the electric sliding rail 13 is connected with a bracket 14, and the bottom of the upper charging barrel 10 is positioned at the upper end of the interior of the screening barrel 1.
It should be noted that, through setting up last feed cylinder 10 that can remove about, and then when carrying out the material loading through last feed cylinder 10, feed cylinder 10 moved in the drive of electronic slide rail 13, and then the material that will treat the screening enters into the different positions of screening board 5, is convenient for filter the material:
in the embodiment of the invention, referring to fig. 5, the weighing device includes a base 20, a weighing drum 21 is rotatably connected to the base 20, the bottom of the weighing drum 21 is connected to a weighing motor through a lower rotating shaft, the weighing motor is placed in a weighing motor groove on the base 20, the inner wall of the weighing drum 21 is rotatably connected to a weighing plate 27 provided with a weight sensor through a weighing rotating shaft, one end of the weighing rotating shaft is connected to a small motor 22 through a coupling, a weighing discharge plate arranged obliquely is arranged below the weighing plate 27, the bottom of the weighing discharge plate is connected to a weighing discharge hole, a collecting tray 26 is placed on the base 20 below the weighing discharge hole, and a plurality of collecting troughs 24 are mounted at the top of the collecting tray 26.
It should be noted that: by arranging the collecting tray 26 with a plurality of collecting grooves 24, different materials weighed by the weighing plate 27 can enter different collecting grooves 24 through weighing and discharging holes, and then the materials are classified and placed, so that the subsequent mixing operation is facilitated;
in the embodiment of the present invention, referring to fig. 6, the collecting tray 26 is a circular ring structure, the collecting tray 26 is placed in a placing groove 25 on the base 20, one end of the weighing discharge hole is connected with an inclined discharge pipe 23, and the bottom of the discharge pipe 23 is positioned above the collecting groove 24.
It should be noted that: by arranging the placing groove 25, the collecting disc 26 can be placed in the placing groove 25, so that the collecting disc 26 is conveniently positioned below the discharge pipe 23, and the discharge is further facilitated;
the circuits and controls involved in the present invention are prior art and will not be described in detail herein.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The exterior wall putty powder with good water absorption and impact resistance is characterized by comprising: the putty powder consists of white cement, quartz sand, calcium carbonate, carbon ash powder, bentonite, cellulose, gypsum powder, rubber powder and a formaldehyde absorbent, wherein the putty powder base material comprises the following components in parts by weight: 20 to 25 portions of white cement, 25 to 30 portions of quartz sand, 30 to 40 portions of fly ash, 10 to 15 portions of carbon ash powder, 2 to 5 portions of bentonite, 1 to 3 portions of cellulose, 2 to 5 portions of gypsum powder, 6 to 10 portions of rubber powder and 8 to 10 portions of formaldehyde absorbent.
2. The putty powder for exterior walls with good water absorption and impact resistance as claimed in claim 2, wherein the mesh number of the double-flying powder is larger than 250 meshes, and the mesh number of the white cement is larger than 400 meshes.
3. The exterior wall putty powder with good water absorption and impact resistance as claimed in claim 1, wherein the formaldehyde absorbent is composed of nano live ore, coconut carbon and activated alumina, the cellulose is composed of hydroxypropyl methyl cellulose, lignocellulose and polypropylene fiber, and the glue powder is latex powder.
4. The preparation method of the exterior wall putty powder with good water absorption and impact resistance is characterized by comprising the following specific steps:
step one, screening raw materials: screening the white cement and the double fly ash through a screening device, and mixing the screened double fly ash with quartz sand to prepare composite powder for later use;
step two, bentonite pretreatment: placing bentonite into a stirring container, then adding a proper amount of hydrochloric acid solution with the mass fraction of 7% into the stirring container, heating the stirring container until the materials are uniformly stirred, cleaning with absolute ethyl alcohol, vacuumizing, and finally collecting the bentonite for later use;
step three, preparing a formaldehyde absorbent: uniformly mixing the nano live ore, the coconut fiber carbon and the activated alumina through a mixing device to prepare a formaldehyde absorbent;
step four, weighing the raw materials: white cement, quartz sand, double flying powder, carbon ash powder, bentonite, cellulose, gypsum powder, rubber powder and formaldehyde absorbent are weighed by weight through a weighing device, and are placed in a raw material tray of the weighing device to be used as putty powder raw materials for later use;
step five, preparing putty powder: the putty powder raw material and formaldehyde absorbent are homogenized according to weight percentage, and the putty powder for the exterior wall with good water absorption and impact resistance is prepared after heating and drying.
5. The preparation method of the exterior wall putty powder with good water absorption and impact resistance according to claim 4 is characterized in that the screening device comprises a screening drum (1), the top of the screening drum (1) is of an open structure, an arc-shaped fixing groove (2) is formed in the outer wall of the screening drum (1), a screening plate (5) with a filter screen is placed on the fixing groove (2), a rotary rod (4) is fixedly connected to the end face of the screening plate (5), one end of the rotary rod (4) is movably connected with a rotary plate (3), a rotary shaft (6) is fixedly connected to the bottom of the rotary plate (3), the rotary shaft (6) is connected with a rotary motor (7) through a coupler, the rotary motor (7) is placed on a motor base (8), a discharge plate (15) is arranged inside the screening drum (1) below the screening plate (5), the discharge plate (15) is arranged in an inclined manner, and the bottom of the discharge plate (15) is connected with a discharge port (9) in the outer wall of the screening drum (1).
6. The preparation method of the exterior wall putty powder with good water absorption and impact resistance as claimed in claim 5, wherein the number of the screening plates (5) is multiple, the number of the rotating rods (4) is the same as that of the screening plates (5) and corresponds to one another, and the mesh number of the filter screens between the screening plates (5) is different.
7. The preparation method of the exterior wall putty powder with good water absorption and impact resistance according to claim 5 is characterized in that an upper charging barrel (10) with an upper opening and a lower opening is arranged above the screening barrel, and the upper part of the end surface of the upper charging barrel (10) is connected with a sliding block (12) through a connecting plate (11); slider (12) sliding connection electronic slide rail (13), the bottom and the support (14) of electronic slide rail (13) link to each other, the bottom of going up feed cylinder (10) is located the upper end of the inside of screening cylinder (1).
8. The preparation method of the exterior wall putty powder with good water absorption and impact resistance is characterized in that the weighing device comprises a base (20), a weighing barrel (21) is rotatably connected to the base (20), the bottom of the weighing barrel (21) is connected with a weighing motor through a lower rotating shaft, the weighing motor is placed in a weighing motor groove in the base (20), the inner wall of the weighing barrel (21) is rotatably connected with a weighing plate (27) provided with a weight sensor through a weighing rotating shaft, one end of the weighing rotating shaft is connected with a small motor (22) through a coupling, a weighing discharging plate which is obliquely arranged is arranged below the weighing plate (27), the bottom of the weighing discharging plate is connected with a weighing discharging hole, a collecting disc (26) is placed on the base (20) below the weighing discharging hole, and a plurality of collecting grooves (24) are formed in the top of the collecting disc (26).
9. The preparation method of the exterior wall putty powder with good water absorption and impact resistance as claimed in claim 8, characterized in that the collection plate (26) is of a circular ring structure, the collection plate (26) is placed in a placement groove (25) on a base (20), one end of the weighing discharge hole is connected with a discharge pipe (23) which is obliquely arranged, and the bottom of the discharge pipe (23) is located above the collection groove (24).
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| CN202211192055.8A CN115403953A (en) | 2022-09-28 | 2022-09-28 | Exterior wall putty powder with good water absorption and impact resistance and preparation method thereof |
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| CN202211192055.8A CN115403953A (en) | 2022-09-28 | 2022-09-28 | Exterior wall putty powder with good water absorption and impact resistance and preparation method thereof |
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