CN114634753B - Preparation method of composite fireproof coating - Google Patents
Preparation method of composite fireproof coating Download PDFInfo
- Publication number
- CN114634753B CN114634753B CN202210204730.8A CN202210204730A CN114634753B CN 114634753 B CN114634753 B CN 114634753B CN 202210204730 A CN202210204730 A CN 202210204730A CN 114634753 B CN114634753 B CN 114634753B
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- disc
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- grinding
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Abstract
The invention relates to the technical field of fireproof paint production, in particular to a preparation method of a composite fireproof paint, which comprises the following steps: step one: stirring and mixing 3 parts of potassium silicate, 6 parts of waterborne polyurethane and 4 parts of epoxy resin to obtain an advance liquid; step two: grinding 2 parts of acidified graphite and 2 parts of mica stone into powder, and mixing to obtain mixed powder; step three: adding the mixed powder into the advance liquid, and stirring for 10-15 minutes at the rotating speed of 1200r/min to obtain a base material; step four: adding 1 part of flame retardant, 1 part of defoamer and 2 parts of emulsifier into a base material, stirring for 15-20 minutes at a rotation speed of 1800r/min, and then standing for 10 minutes to obtain a fireproof coating; can more efficiently prepare the fireproof paint.
Description
Technical Field
The invention relates to the technical field of fireproof paint production, in particular to a preparation method of a composite fireproof paint.
Background
Fireproof paint is one kind of fireproof paint with fireproof capacity, slow down the propagation speed of flame or prevent burning in certain period; the fireproof paint is one special paint for inflammable base material to reduce the inflammability of the surface of the painted material and to retard the spread of fire and to raise the fireproof limit of the painted material. The flame retardant is applied to the surface of a flammable substrate to change the combustion characteristics of the surface of the material and retard the rapid spread of fire; or a special coating applied to the building element to improve the fire resistance limit of the element, called a fire-retardant coating; however, in the production mode, the single stirring form leads to low efficiency of producing the fireproof coating.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a preparation method of the composite fireproof coating, which can be used for preparing the fireproof coating more efficiently.
The technical scheme adopted for solving the technical problems is as follows:
a method for preparing a composite fireproof coating, which comprises the following steps:
step one: stirring and mixing 3 parts of potassium silicate, 6 parts of waterborne polyurethane and 4 parts of epoxy resin to obtain an advance liquid;
step two: grinding 2 parts of acidified graphite and 2 parts of mica stone into powder, and mixing to obtain mixed powder;
step three: adding the mixed powder into the advance liquid, and stirring for 10-15 minutes at the rotating speed of 1200r/min to obtain a base material;
step four: 1 part of a flame retardant, 1 part of a defoaming agent and 2 parts of an emulsifier are added to a base material, stirred at a rotation speed of 1800r/min for 15-20 minutes, and then left to stand for 10 minutes, thereby obtaining a fireproof coating.
The preparation method of the composite fireproof coating further uses a preparation device of the composite fireproof coating, wherein the device comprises a grinding part and a mixing part fixed on the grinding part, and the mixing part can add parts of flame retardant, parts of defoaming agent and parts of emulsifying agent into a base material at intervals in the fourth step.
Further the grinding part comprises a charging basket, a grinding disc rotating on the charging basket and a conical ring fixed on the charging basket and positioned below the grinding disc.
The mixing part further comprises a disc provided with a scraping ring, a middle shaft arranged on the disc and a suspender fixed on the middle shaft, and a leak hole is arranged in the middle of the disc.
Further, the middle shaft is connected with a blocking piece which is connected to the disc through a spring and used for blocking the leak hole in a sliding manner.
Drawings
The invention will be described in further detail with reference to the accompanying drawings and detailed description.
FIG. 1 is a flow chart of a method of preparing a composite fire retardant coating of the present invention;
FIG. 2 is a schematic structural view of a manufacturing apparatus according to the present invention;
FIG. 3 is a cross-sectional view of a manufacturing apparatus of the present invention;
FIG. 4 is a schematic view of the structure of the cone ring and the grinding disc of the invention;
FIG. 5 is a schematic view of the structure of the disc and the plugging ring according to the present invention;
FIG. 6 is a schematic view of the structure of the scraper ring and blade according to the present invention;
FIG. 7 is a schematic view of a disk and wiper ring according to the present invention;
FIG. 8 is a schematic diagram of a stopper and stopper ring according to the present invention;
FIG. 9 is a schematic view of the structure of the bin of the invention;
FIG. 10 is a schematic view of the structure of the outer ring and the protrusions of the present invention.
Detailed Description
Referring to fig. 1, one exemplary process by which a composite fire retardant coating may be prepared is shown:
firstly, 3 parts of potassium silicate, 6 parts of waterborne polyurethane and 4 parts of epoxy resin are stirred and mixed to obtain an advance solution, and 3 parts of potassium silicate, 6 parts of waterborne polyurethane and 4 parts of epoxy resin are mixed in advance, so that the influence of acidified graphite and mica on the mixing effect of the potassium silicate, the waterborne polyurethane and the epoxy resin is avoided; grinding 2 parts of acidified graphite and 2 parts of mica stone to prepare powder, and mixing to obtain mixed powder; secondly, adding the mixed powder into the advance liquid, and stirring for 15 minutes at the rotating speed of 1200r/min to obtain a base material; finally, 1 part of flame retardant, 1 part of defoamer and 2 parts of emulsifier are added into the base material, the mixture is stirred for 20 minutes at the rotation speed of 1800r/min, and then the mixture is kept stand for 10 minutes to enable bubbles to be discharged from the base material, so that the fireproof coating is obtained.
Referring to fig. 2-4, one exemplary process by which the grinding of acidified graphite and micaceous stone into a powder may be accomplished is shown as follows:
the preparation method of the composite fireproof coating also uses a preparation device of the composite fireproof coating, the device comprises a grinding part and a mixing part which is fixed on the grinding part, the mixing part can add 1 part of flame retardant, 1 part of defoaming agent and 2 parts of emulsifying agent into a base material at intervals in the fourth step, the flame retardant, the defoaming agent and the emulsifying agent can be gradually added into the base material, and the problem that the flame retardant, the defoaming agent and the emulsifying agent cannot be fully mixed with the base material due to one-time addition is avoided; the grinding part comprises a charging basket 12, a grinding disc 14 rotating on the charging basket 12 and a conical ring 13 fixed on the charging basket 12 and positioned below the grinding disc 14; when the grinding wheel is used, the conical ring 13 is rotated on the charging basket 12 by a power source, such as a gear motor, then the acidified graphite and the mica stone are gradually added to the grinding wheel 14, the acidified graphite and the mica stone slide between the grinding wheel 14 and the conical ring 13 along with the inclined surface of the grinding wheel 14, and the contact surface of the acidified graphite and the mica stone between the grinding wheel 14 and the conical ring 13 is rubbed by the grinding wheel 14 under the action of rotation of the grinding wheel 14 to be ground into powder.
Referring to fig. 5 and 7, an exemplary operation that can avoid the raw materials sticking to the inner wall of the barrel 12 and not being uniformly mixed is shown in the drawings:
the mixing part comprises a disc 01 provided with a scraping ring 02, a middle shaft 03 arranged on the disc 01 and a suspender 08 fixed on the middle shaft 03, and a leak hole is formed in the middle of the disc 01; when raw materials are mixed, only a power source is required to drive the lifting rod 08 to lift along the first part of the charging basket 12, the disc 01 can be driven to lift in the charging basket 12 by the reciprocating lifting of the lifting rod 08, the raw materials in the charging basket 12 can be pressed to flow upwards from a gap between the disc 01 and the scraping ring 02 when the disc 01 descends, and the raw materials above the disc 01 can flow downwards from a leak hole in the middle part of the disc 01 when the disc 01 ascends, so that the raw materials can be uniformly mixed after being continuously lifted and extruded by the disc 01, and the phenomenon of upper and lower layering of the raw materials is avoided; meanwhile, the scraping ring 02 contacts the inner wall of the charging basket 12, when the scraping ring 02 continuously and reciprocally ascends and descends along with the disc 01, raw materials adhered to the inner wall of the charging basket 12 can be scraped, the scraped raw materials are taken away and mixed by the raw materials flowing up and down, and the phenomenon that part of raw materials are adhered to the inner wall of the charging basket 12 and cannot be effectively mixed is avoided.
Referring to fig. 3 and 6, one exemplary process by which accelerated raw material mixing may be obtained is shown:
in order to accelerate the mixing efficiency and effect of the raw materials, the lower end of the center shaft 03 is provided with a shaft sleeve in a rotating way, wherein a plurality of blades 21 are circumferentially distributed on the shaft sleeve; when the disc 01 lifts, the middle shaft 03 is driven to lift together, and when the middle shaft 03 descends, the raw materials push the plurality of blades 21 under the action of downwards pressing the raw materials to enable the shaft sleeve to rotate clockwise on the middle shaft 03, so that the raw materials can be stirred in the horizontal direction through the plurality of blades 21; when the center shaft 03 is raised, the raw materials flowing down from the leak holes can act on the blades 21, so that the blades 21 rotate anticlockwise to reversely stir the raw materials in the horizontal direction again, the mixing speed of the raw materials is increased, and the effect of uniformly mixing the raw materials is improved.
Referring to fig. 5 and 7, one exemplary operation that may be performed to direct a regular flow of feedstock is shown in the figures as:
when the disc 01 extrudes the raw materials downwards, the raw materials need to flow upwards from the periphery of the disc 01 to form a rolling mode from the edge of the disc 01 to the middle of the disc 01 for mixing, and in order to avoid the raw materials flowing upwards through the leak holes, the middle shaft 03 is connected with a blocking piece 04 which is connected to the disc 01 through a spring and used for blocking the leak holes in a sliding way; at this time, when the disc 01 descends, the thrust of the raw material in the direction of the blocking piece 04 can enable the blocking piece 04 to slide upwards to block the leak hole, at this time, the leak hole cannot enable the raw material to pass through, the raw material can only flow upwards from the periphery of the disc 01 and flow towards the middle part of the disc 01 after flowing to the upper side of the disc 01, when the disc 01 stops descending or ascends, the blocking piece 04 moves downwards under the action of a spring to open the leak hole, at this time, along with the ascending of the disc 01, part of the raw material above the disc 01 can flow downwards through the leak hole, and the rolling flowing mode of the raw material after being extruded by the disc 01 can be smoothly realized.
Referring to fig. 5, 8 and 9, one exemplary working process from which smooth gradual addition of flame retardant, defoamer and emulsifier is shown is:
a feed box 07 with a round hole at the bottom is fixed on the suspender 08, two vertical rods 11 are arranged in the feed box 07, and a cover plate 09 used for covering the round hole and provided with a sealing plate 10 is connected to each vertical rod 11 through a spring; a blocking ring 05 sliding in the disc 01 is fixed on the blocking piece 04, and two ejector rods 06 are arranged on the blocking ring 05; when the disc 01 descends and the blocking piece 04 ascends by using the thrust of raw materials, the blocking piece 04 drives the blocking ring 05 to ascend, the blocking ring 05 drives the two ejector rods 06 to ascend, the two cover plates 09 in the feed box 07 can be jacked by the two ejector rods 06, the two cover plates 09 slide upwards on the two vertical rods 11, at the moment, springs on the vertical rods 11 are compressed, the space between the feed box 07 and the disc 01 is closed by the blocking ring 05, raw materials cannot enter the space between the feed box 07 and the disc 01, at the moment, the two cover plates 09 drive the two cover plates 10 to open round holes, a part of flame retardant, defoaming agent and emulsifying agent which are prepared in advance in the feed box 07 flows out to the space between the feed box 07 and the disc 01, after the blocking piece 04 loses the thrust of raw materials, the blocking piece 04 descends, the two ejector rods 06 do not jack the two cover the round holes under the action of the springs, the two cover plates 10 are reset, the flame retardant, the defoaming agent and the emulsifying agent cannot flow out continuously, and the blocking ring 05 enters the space between the feed box 07 and the disc 01 to take away the flame retardant and the emulsifying agent; the flame retardant, the defoamer and the emulsifier can be gradually and intermittently added into the raw materials for mixing through repeated lifting of the disc 01.
Referring to fig. 2, 3 and 6, one exemplary process from which the addition of potassium silicate, aqueous polyurethane and epoxy resin may be made is shown:
the mixing part also comprises a sleeve 18 fixed on the barrel 12 and a plurality of material nozzles 17 arranged on the sleeve 18, wherein the hanging rod 08 is connected by a spring and slides in the sleeve 18; by connecting the output pipes of the potassium silicate, aqueous polyurethane and epoxy resin storage device to the plurality of nozzles 17, potassium silicate, aqueous polyurethane and epoxy resin can be added to the bucket 12 while the sleeve 18 enables the boom 08 to be stably lifted and lowered along the axis of the bucket 12.
Referring to fig. 2, 6 and 10, one exemplary operation from which a power input savings may be obtained is shown:
the mixing section also comprises an outer ring 15 fixed on the grinding disc 14, two protrusions 16 arranged in the outer ring 15, two push rods 19 sliding on the barrel 12, and two connecting rods 20 rotatably connected between the push rods 19 and the boom 08; when the acidified graphite and the mica stone are ground, the grinding disc 14 can drive the outer ring 15 to rotate, when two protrusions 16 on the outer ring 15 are respectively contacted with two push rods 19, the two push rods 19 can be enabled to move towards the direction of the hanging rod 08, the two push rods 19 respectively drive two connecting rods 20 to drive the hanging rod 08 downwards, so that the hanging rod 08 drives the disc 01 to descend, when the two protrusions 16 are not contacted with the two push rods 19, the spring in the sleeve 18 can be utilized to enable the hanging rod 08 to drive the disc 01 to lift upwards, and at the moment, the two connecting rods 20 can drive the two push rods 19 to slide and reset; the rotary action of the outer ring 15 can be realized, the mixing of the raw materials is completed by lifting the disc 01, the power source required to be used is saved, the power input unit is saved, and the running cost is saved.
Claims (1)
1. The preparation method of the composite fireproof paint is characterized by comprising the following steps:
step one: stirring and mixing 3 parts of potassium silicate, 6 parts of waterborne polyurethane and 4 parts of epoxy resin to obtain an advance liquid;
step two: grinding 2 parts of acidified graphite and 2 parts of mica stone into powder, and mixing to obtain mixed powder;
step three: adding the mixed powder into the advance liquid, and stirring for 10-15 minutes at the rotating speed of 1200r/min to obtain a base material;
step four: adding 1 part of flame retardant, 1 part of defoamer and 2 parts of emulsifier into a base material, stirring for 15-20 minutes at a rotation speed of 1800r/min, and then standing for 10 minutes to obtain a fireproof coating;
the preparation method of the composite fireproof coating also uses a preparation device of the composite fireproof coating, wherein the device comprises a grinding part and a mixing part fixed on the grinding part, and the mixing part can add 1 part of flame retardant, 1 part of defoaming agent and 2 parts of emulsifying agent into a base material at intervals in the fourth step;
the grinding part comprises a charging basket (12), a grinding disc (14) rotating on the charging basket (12), and a conical ring (13) fixed on the charging basket (12) and positioned below the grinding disc (14);
the mixing part comprises a disc (01) provided with a scraping ring (02), a center shaft (03) arranged on the disc (01) and a suspension rod (08) fixed on the center shaft (03), and a leak hole is formed in the middle of the disc (01);
the lower end of the center shaft (03) is provided with a shaft sleeve which is circumferentially distributed with a plurality of blades (21); a blocking piece (04) which is connected to the disc (01) through a spring and used for blocking the leak hole is connected to the center shaft (03) in a sliding manner;
a feed box (07) with a round hole at the bottom is fixed on the suspender (08), two vertical rods (11) are arranged in the feed box (07), and a cover plate (09) which is used for covering the round hole and is provided with a sealing plate (10) is connected to each vertical rod (11) through a spring;
a blocking ring (05) sliding in the disc (01) is fixed on the blocking piece (04), and two ejector rods (06) are arranged on the blocking ring (05);
the mixing part also comprises a sleeve (18) fixed on the charging basket (12), and a plurality of material nozzles (17) arranged on the sleeve (18), wherein the hanging rod (08) is connected through a spring and slides in the sleeve (18);
the mixing section also comprises an outer ring (15) fixed on the grinding disc (14), two protrusions (16) arranged in the outer ring (15), two push rods (19) sliding on the barrel (12), and two connecting rods (20) rotatably connected between the push rods (19) and the boom (08).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204730.8A CN114634753B (en) | 2022-03-02 | 2022-03-02 | Preparation method of composite fireproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210204730.8A CN114634753B (en) | 2022-03-02 | 2022-03-02 | Preparation method of composite fireproof coating |
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| Publication Number | Publication Date |
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| CN114634753A CN114634753A (en) | 2022-06-17 |
| CN114634753B true CN114634753B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210204730.8A Active CN114634753B (en) | 2022-03-02 | 2022-03-02 | Preparation method of composite fireproof coating |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584150A (en) * | 2022-10-24 | 2023-01-10 | 陈春花 | Fireproof flame-retardant ecological coating and preparation method thereof |
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| CN114053934A (en) * | 2021-10-18 | 2022-02-18 | 韩佳轩 | Fire retardant coating mixes and grinds multiple operation processing system |
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| JPH0817930B2 (en) * | 1989-05-16 | 1996-02-28 | 株式会社荒木鉄工 | Disperser |
| US5221055A (en) * | 1992-09-09 | 1993-06-22 | Kuan Chen Y | Grinding mixer |
| CN100493719C (en) * | 2005-03-01 | 2009-06-03 | 陆福才 | Vertical roller grinding machine for super-fine powder |
| CN108797952A (en) * | 2017-04-27 | 2018-11-13 | 应鸽龙 | Metope slurry putty scrape smear, spray, joint filling multifunctional equipment |
| CN108948946B (en) * | 2018-05-28 | 2020-10-09 | 广东金刚玻璃科技股份有限公司 | Composite fireproof coating and preparation method thereof |
| CN111569760B (en) * | 2020-05-26 | 2022-03-25 | 丹阳市美尔鑫化工有限公司 | Making devices is used in production of weatherability environmental protection anticorrosive paint |
| CN112263921B (en) * | 2020-10-26 | 2022-03-22 | 安徽达诺乳业股份有限公司 | A material dissolving device for batching is cuted in condensed milk production |
| CN215693604U (en) * | 2021-06-22 | 2022-02-01 | 佛山市大为科技有限公司 | Vertical mixer for conductive paste |
| CN215822950U (en) * | 2021-08-16 | 2022-02-15 | 浙江安乾科技有限公司 | Paint mixer with high stirring efficiency |
| CN215783120U (en) * | 2021-09-09 | 2022-02-11 | 浙江众达新材料有限公司 | A stirring mixing apparatus for production of waterborne environmental protection coating |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207153624U (en) * | 2017-08-10 | 2018-03-30 | 吕梁学院 | A kind of Experiment of Inorganic Chemstry grinds agitating device with material |
| CN114053934A (en) * | 2021-10-18 | 2022-02-18 | 韩佳轩 | Fire retardant coating mixes and grinds multiple operation processing system |
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| CN114634753A (en) | 2022-06-17 |
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Effective date of registration: 20230607 Address after: 325802 No. 251, Haixia village, Longgang City, Wenzhou City, Zhejiang Province Applicant after: Fu Wanle Address before: No. 127, East Street, Lai'an county, Chuzhou City, Anhui Province Applicant before: Wang Renwu |
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Effective date of registration: 20230626 Address after: 410300 Xintian group, Fengyu community, Yong'an Town, Liuyang City, Changsha City, Hunan Province Applicant after: Hunan Dachuan New Building Materials Co.,Ltd. Address before: 325802 No. 251, Haixia village, Longgang City, Wenzhou City, Zhejiang Province Applicant before: Fu Wanle |
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