CN114656829B - Preparation process of lost foam coating - Google Patents
Preparation process of lost foam coating Download PDFInfo
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- CN114656829B CN114656829B CN202210225081.XA CN202210225081A CN114656829B CN 114656829 B CN114656829 B CN 114656829B CN 202210225081 A CN202210225081 A CN 202210225081A CN 114656829 B CN114656829 B CN 114656829B
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- stirring
- bin
- lost foam
- particles
- refractory powder
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/80—Processes for incorporating ingredients
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/06—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material with means keeping the working surfaces flat
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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
Abstract
The invention provides a preparation process of a lost foam coating, and belongs to the technical field of lost foam coatings. The first step: taking a proper amount of lost foam paint; and a second step of: adding fine refractory powder particles into a feeding bin, and starting a suction fan; and a third step of: continuously adding adhesive rubber powder into the feeding bin, and sucking the adhesive rubber powder into the stirring bin by utilizing negative pressure; fourth step: filling water, then starting a water injection mechanism, and spraying atomized water accounting for 80% of the total water; fifth step: starting a stirring mechanism, fully mixing the adhesive rubber powder and the refractory powder fine particles, and reducing the stirring speed after 5 min; sixth step: adding fiber, preservative and coarse particles of refractory powder into a bin, sucking the coarse particles into a stirring bin, starting an electromagnetic pulse valve, and cleaning dust; seventh step: continuously starting the water injection mechanism; eighth step: stirring at low speed, and uniformly mixing the paint. The invention has convenient operation, can ensure that the proportion of each component of the lost foam coating is unchanged, can also avoid generating smoke dust, and can reach the national emission standard.
Description
Technical Field
The invention provides a preparation process of a lost foam coating, and belongs to the technical field of lost foam coatings.
Background
In order to facilitate transportation, 95% of domestic lost foam commercial paint is made into dry powder state, and the former paste is replaced. The paste coating has high water content, unsafe transportation, expensive package and double transportation cost. However, the vanishing mould paint formula has various chemical engineering, and most chemical engineering is powdery. And the fire-resistant material powder are uniformly mixed and stirred, and a large amount of smoke dust is generated, so that the national environmental protection regulation is not met. After the dust removing equipment is arranged on a manufacturer, chemical parts with lighter specific gravity are always pumped into a dust removing room, so that waste and pollution are caused, and the final finished product of the lost foam coating cannot be uniformly mixed with chemical industry.
Disclosure of Invention
The preparation process of the lost foam coating provided by the invention is convenient to operate, can ensure that the proportion of each component of the lost foam coating is unchanged, can also avoid generating smoke dust, and can reach the national emission standard.
The invention provides a preparation process of a lost foam coating, which is characterized by comprising the following steps of: the preparation method comprises the following steps:
the first step: taking a proper amount of adhesive rubber powder, fibers, a preservative, coarse particles of refractory powder and fine particles of refractory powder;
and a second step of: adding fine refractory powder particles into a feeding bin, starting a suction fan, and sucking the fine refractory powder particles into the stirring bin by utilizing negative pressure;
and a third step of: continuously adding adhesive rubber powder into the feeding bin, and sucking the adhesive rubber powder into the stirring bin by utilizing negative pressure;
fourth step: the water injection mechanism is filled with water accounting for 2 percent of the total weight of the lost foam coating, then the water injection mechanism is started, and atomized water accounting for 80 percent of the total water is sprayed into the stirring bin through the spray pipe;
fifth step: synchronously starting a stirring mechanism, wherein the rotating speed is 50r/min, the adhesive rubber powder and the fine refractory powder particles are fully mixed, and after 5min, the stirring speed is reduced to 20r/min, and the adhesive rubber powder and the fine refractory powder particles are fully mixed to form fine pill particles;
sixth step: sequentially adding the fiber, the preservative and the coarse particles of the refractory powder into a bin, sequentially sucking the fiber, the preservative and the coarse particles of the refractory powder into the stirring bin through negative pressure, synchronously starting an electromagnetic pulse valve, and cleaning dust attached to the surface of a dust removing cloth bag into the stirring bin;
seventh step: continuously starting the water injection mechanism, and spraying atomized water accounting for 20% of the total water quantity into the stirring bin through the spray pipe;
eighth step: stirring at low speed for 15min, mixing the coating uniformly, and adhering the smoke dust on the coarse particles of the refractory powder to the surface by the pellet particles.
The speed of the low-speed stirring in the eighth step is 20r/min.
The utility model provides a preparation facilities of lost foam coating which characterized in that: including stirring storehouse, feeding storehouse, inhale the feed bin, inhale the bottom installation stirring storehouse of feed bin, the internally mounted who inhales the feed bin has the dust removal skeleton, is provided with the dust removal sack on the dust removal skeleton, install rabbling mechanism on the stirring storehouse, the both sides of stirring storehouse all have the feeding storehouse through inlet pipe sealing connection, the suction fan is installed to one side of inhaling the feed bin, install the clean room on the suction fan, the inside upper end of suction fan's suction end intercommunication suction bin, the gas storage package is installed to the opposite side of inhaling the feed bin, is provided with electromagnetic pulse valve on the blast pipe of gas storage package, the spray pipe is installed on the inside top of stirring storehouse, the nozzle is installed through the atomizer to the lower extreme of spray pipe, the spray pipe is connected with water injection mechanism.
The suction bin at the lower part of the dust removal framework is also internally provided with an anti-falling bag interception net.
The exhaust port of the exhaust pipe of the air storage bag is correspondingly arranged above the dust removing framework in the air suction bin.
The spray pipe is shaped like a Chinese character 'ri'.
The dust removing cloth bag is a terylene needled felt filter cloth bag easy to clean dust.
The invention has the beneficial effects that:
the invention has convenient operation, can ensure that the proportion of each component of the lost foam coating is unchanged, can also avoid generating smoke dust, and can reach the national emission standard.
Drawings
Fig. 1 is a schematic structural diagram of a device for preparing a lost foam coating according to the present invention.
Fig. 2 is a schematic top view of a spray tube of the device for preparing a lost foam coating according to the present invention.
( 1. A stirring bin; 2. a feeding bin; 3. a spray tube; 4. a suction bin; 5. a dust removal framework; 6. a dust removing cloth bag; 7. a stirring mechanism; 8. a feed pipe; 9. a water injection mechanism; 10. a suction fan; 11. a gas storage bag; 12. electromagnetic pulse valve )
Detailed Description
The invention provides a preparation process of a lost foam coating, which is characterized by comprising the following steps of: the preparation method comprises the following steps:
the first step: taking a proper amount of adhesive rubber powder, fibers, a preservative, coarse particles of refractory powder and fine particles of refractory powder;
and a second step of: adding fine refractory powder particles into a feeding bin, starting a suction fan, and sucking the fine refractory powder particles into the stirring bin by utilizing negative pressure;
and a third step of: continuously adding adhesive rubber powder into the feeding bin, and sucking the adhesive rubber powder into the stirring bin by utilizing negative pressure;
fourth step: the water injection mechanism is filled with water accounting for 2 percent of the total weight of the lost foam coating, then the water injection mechanism is started, and atomized water accounting for 80 percent of the total water is sprayed into the stirring bin through the spray pipe;
fifth step: synchronously starting a stirring mechanism, wherein the rotating speed is 50r/min, the adhesive rubber powder and the fine refractory powder particles are fully mixed, and after 5min, the stirring speed is reduced to 20r/min, and the adhesive rubber powder and the fine refractory powder particles are fully mixed to form fine pill particles;
sixth step: sequentially adding the fiber, the preservative and the coarse particles of the refractory powder into a bin, sequentially sucking the fiber, the preservative and the coarse particles of the refractory powder into the stirring bin through negative pressure, synchronously starting an electromagnetic pulse valve, and cleaning dust attached to the surface of a dust removing cloth bag into the stirring bin;
seventh step: continuously starting the water injection mechanism, and spraying atomized water accounting for 20% of the total water quantity into the stirring bin through the spray pipe;
eighth step: stirring at low speed for 15min, mixing the coating uniformly, and adhering the smoke dust on the coarse particles of the refractory powder to the surface by the pellet particles.
The speed of the low-speed stirring in the eighth step is 20r/min.
The specific description is as follows: the negative pressure in the second step is smaller than that in the sixth step.
The utility model provides a preparation facilities of lost foam coating which characterized in that: including stirring storehouse 1, feeding storehouse 2, inhale storehouse 4, the stirring storehouse 1 is installed to the bottom of inhaling storehouse 4, the internally mounted of inhaling storehouse 4 has dust removal skeleton 5, is provided with dust removal sack 6 on the dust removal skeleton 5, install rabbling mechanism 7 on the stirring storehouse 1, the both sides of stirring storehouse 1 all have feeding storehouse 2 through inlet pipe 8 sealing connection, suction fan 10 is installed to one side of inhaling storehouse 4, install the clean room on the suction fan 10, the inside upper end of inhaling storehouse 4 is linked through to the induced draft end of suction fan 10, the air storage package 11 is installed to the opposite side of inhaling storehouse 4, is provided with electromagnetic pulse valve 12 on the blast pipe of air storage package 11, spray pipe 3 is installed on the inside top of stirring storehouse 1, the nozzle is installed through the atomizer to the lower extreme of spray pipe 3, spray pipe 3 is connected with water injection mechanism 9.
The suction bin 4 at the lower part of the dust removal framework 5 is also internally provided with a bag falling prevention interception net.
The exhaust port of the exhaust pipe of the gas storage bag 11 is correspondingly arranged above the dust removal framework 5 in the suction bin.
The spray pipe 3 is shaped like a Chinese character 'ri'.
The dust removing cloth bag 6 is a terylene needled felt filter cloth bag which is easy to clean dust and has a fine filtering function.
The working principle of the invention
According to the invention, under the action of the suction fan, the vanishing mould coating adhesive rubber powder and the refractory powder fine particles in the feeding bin sequentially enter the stirring bin through the feeding pipe, the mixture of the adhesive rubber powder and the refractory powder fine particles can be adhered with fog water through injection and spraying of 80% of the total water quantity by the water injection mechanism, and then the fog water coated with the mixture of the adhesive rubber powder and the refractory powder fine particles is contacted or collided with each other by the stirring mechanism, so that the mixture is finally in the form of pill particles. Sequentially adding the other three coating components into a stirring bin, then adding 20% of the total water for spraying, starting a stirring mechanism, uniformly mixing the coating, and adhering smoke dust on coarse particles of the refractory powder to the surface by using the pellet particles, so that the viscosity of the pellet particles is covered, and meanwhile, the smoke dust is solved; by utilizing the electromagnetic pulse valve, adhesive rubber powder, fibers, preservative, coarse refractory powder particles and fine refractory powder particles adsorbed on the dust removing cloth bag can be timely flicked into the stirring bin, so that the proportion of the formula of the lost foam coating is ensured not to be disordered.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (7)
1. A preparation process of a lost foam coating is characterized by comprising the following steps of: the preparation method comprises the following steps:
the first step: taking a proper amount of adhesive rubber powder, fibers, a preservative, coarse particles of refractory powder and fine particles of refractory powder;
and a second step of: adding fine refractory powder particles into a feeding bin, starting a suction fan, and sucking the fine refractory powder particles into the stirring bin by utilizing negative pressure;
and a third step of: continuously adding adhesive rubber powder into the feeding bin, and sucking the adhesive rubber powder into the stirring bin by utilizing negative pressure;
fourth step: the water injection mechanism is filled with water accounting for 2 percent of the total weight of the lost foam coating, then the water injection mechanism is started, and atomized water accounting for 80 percent of the total water is sprayed into the stirring bin through the spray pipe;
fifth step: synchronously starting a stirring mechanism, wherein the rotating speed is 50r/min, the adhesive rubber powder and the fine refractory powder particles are fully mixed, and after 5min, the stirring speed is reduced to 20r/min, and the adhesive rubber powder and the fine refractory powder particles are fully mixed to form fine pill particles;
sixth step: sequentially adding the fiber, the preservative and the coarse particles of the refractory powder into a bin, sequentially sucking the fiber, the preservative and the coarse particles of the refractory powder into the stirring bin through negative pressure, synchronously starting an electromagnetic pulse valve, and cleaning dust attached to the surface of a dust removing cloth bag into the stirring bin;
seventh step: continuously starting the water injection mechanism, and spraying atomized water accounting for 20% of the total water quantity into the stirring bin through the spray pipe;
eighth step: stirring at low speed for 15min, mixing the coating uniformly, and adhering the smoke dust on the coarse particles of the refractory powder to the surface by the pellet particles.
2. The process for preparing the lost foam coating according to claim 1, wherein the process comprises the following steps: the speed of the low-speed stirring in the eighth step is 20r/min.
3. The utility model provides a preparation facilities of lost foam coating which characterized in that: including stirring storehouse, feeding storehouse, inhale the feed bin, inhale the bottom installation stirring storehouse of feed bin, the internally mounted who inhales the feed bin has the dust removal skeleton, is provided with the dust removal sack on the dust removal skeleton, install rabbling mechanism on the stirring storehouse, the both sides of stirring storehouse all have the feeding storehouse through inlet pipe sealing connection, the suction fan is installed to one side of inhaling the feed bin, install the clean room on the suction fan, the inside upper end of suction fan's suction end intercommunication suction bin, the gas storage package is installed to the opposite side of inhaling the feed bin, is provided with electromagnetic pulse valve on the blast pipe of gas storage package, the spray pipe is installed on the inside top of stirring storehouse, the nozzle is installed through the atomizer to the lower extreme of spray pipe, the spray pipe is connected with water injection mechanism.
4. A device for preparing lost foam paint according to claim 3, wherein: the suction bin at the lower part of the dust removal framework is also internally provided with an anti-falling bag interception net.
5. A device for preparing lost foam paint according to claim 3, wherein: the exhaust port of the exhaust pipe of the air storage bag is correspondingly arranged above the dust removing framework in the air suction bin.
6. A device for preparing lost foam paint according to claim 3, wherein: the spray pipe is shaped like a Chinese character 'ri'.
7. A device for preparing lost foam paint according to claim 3, wherein: the dust removing cloth bag is a terylene needled felt filter cloth bag easy to clean dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210225081.XA CN114656829B (en) | 2022-03-09 | 2022-03-09 | Preparation process of lost foam coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210225081.XA CN114656829B (en) | 2022-03-09 | 2022-03-09 | Preparation process of lost foam coating |
Publications (2)
| Publication Number | Publication Date |
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| CN114656829A CN114656829A (en) | 2022-06-24 |
| CN114656829B true CN114656829B (en) | 2023-05-05 |
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| CN202210225081.XA Active CN114656829B (en) | 2022-03-09 | 2022-03-09 | Preparation process of lost foam coating |
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