CN117324173A - Steel structure antirust fireproof paint spraying construction system and construction method thereof - Google Patents
Steel structure antirust fireproof paint spraying construction system and construction method thereof Download PDFInfo
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- CN117324173A CN117324173A CN202311103049.5A CN202311103049A CN117324173A CN 117324173 A CN117324173 A CN 117324173A CN 202311103049 A CN202311103049 A CN 202311103049A CN 117324173 A CN117324173 A CN 117324173A
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- 238000005507 spraying Methods 0.000 title claims abstract description 155
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 115
- 239000010959 steel Substances 0.000 title claims abstract description 115
- 239000003973 paint Substances 0.000 title claims abstract description 87
- 238000010276 construction Methods 0.000 title claims abstract description 60
- 229920000180 alkyd Polymers 0.000 claims abstract description 38
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 239000003292 glue Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 39
- 239000011247 coating layer Substances 0.000 claims description 36
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 20
- 238000011049 filling Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 230000001680 brushing effect Effects 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000000670 limiting effect Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000004075 alteration Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000005336 cracking Methods 0.000 description 8
- 230000002401 inhibitory effect Effects 0.000 description 8
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003449 preventive effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0426—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved along a closed path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/40—Filters located upstream of the spraying outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Robotics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a steel structure rust-proof fireproof paint spraying construction system and a use method thereof, wherein an alkyd red rust-proof primer layer, a first fireproof paint layer and a second fireproof paint layer, a fiber mesh cloth which is added between the first fireproof paint layer and the second fireproof paint layer and is used for improving adhesive force, and a rust-proof primer homogenizing spraying unit which is used for uniformly spraying alkyd red rust-proof primer and improving surface drying time of the alkyd red rust-proof primer are sequentially sprayed from the surface of a steel structure outwards; by adding glass fiber mesh cloth in the middle of the fireproof coating and strictly proportioning fireproof component materials, water and glue, the corrosion resistance and fireproof performance of the surface of the steel structure are generally improved; in addition, the invention improves the spraying efficiency and uniformity of the rust-proof primer by adopting the rust-proof primer homogenizing spraying unit, thereby saving labor force and greatly reducing the waste of paint.
Description
Technical Field
The invention belongs to the technical field of rust-proof and fireproof paint spraying construction, and particularly relates to a steel structure rust-proof and fireproof paint spraying construction system and a construction method thereof.
Background
The steel structure is widely applied to large-span projects such as factories and the like due to the advantages of industrialization, industrialization and high strength-weight ratio, but the steel structure has the defects of heat resistance, fire resistance and easy corrosion, and also brings small problems to constructors. As the deformation condition along with the temperature is different, the fireproof and anticorrosive paint on the surface of the steel structure has cracking risk, and the environment is in wet heat alternation, so that the appearance quality is seriously influenced, and the energy conservation and heat preservation of the building are influenced. Therefore, the construction method for spraying the high-quality antirust fireproof paint has important significance.
In order to solve the technical problems, the Chinese invention patent relates to a novel steel structure thick fireproof paint construction process, which comprises the following steps: 1) Firstly, removing dust or other impurities on the surface of a steel structure, and then spraying or rolling a primer special for fireproof paint on the surface of the steel structure; 2) After the special primer is dried, the special adhesive is adopted to bond the special primer; 3) After the special adhesive is bonded, bonding mortar is used for hanging acid-alkali resistant glass fiber mesh cloth once; 4) Plugging joint bolts and screw parts by using fireproof paint and trowelling; 5) And (5) dismantling the field scaffold, cleaning in a sanitary way and finishing. The invention belongs to the technical field of constructional engineering, and the coating method is standard, so that the on-site order can be ensured, and the coating quality can be effectively improved; in addition, the construction process of the fireproof coating for the steel structure comprises the following steps of: and (3) preparation of construction: building a construction scaffold and an operation platform, namely preprocessing a steel structure base layer, and preparing fireproof paint; the construction process comprises the following steps: spraying a first layer of fireproof paint, spraying a second layer of fireproof paint after the first layer of fireproof paint is dried, and reaching the design requirement thickness, correcting corners and interface parts, checking, disqualified repair, qualified product, finished product protection and process connection. The fireproof coating is sprayed on the outer surface of the steel structure, has a certain decorative effect, can quickly form a fireproof heat-insulating protective layer when in fire disaster, and improves the fireproof limit of the steel structure. The construction steps of the coating are scientific and reasonable, and the operability is strong; the quality, safety and construction period requirements of the engineering can be guaranteed, and the cost of the engineering is reduced.
The following improvements still exist in the prior art: (1) The phenomenon of cracking occurs in the actual construction process due to the thickness and cracking resistance of the fireproof coating, so that the fireproof performance of the surface of the steel structure is invalid, and therefore, the cracking resistance of the fireproof coating is improved, the cracking resistance is improved, and the fireproof performance is maintained to be stable and effective for a long time; (2) The outer layer fireproof paint falls off due to the small binding force between the fireproof paint and the steel structure or the surface modification of the steel structure, so that the fireproof performance is affected, and the binding force of the fireproof paint is improved from the angle of the fireproof paint components; (3) The rust-proof material is usually sprayed alkyd red rust-proof primer, but in the construction process of the rust-proof primer, the surface is required to be dried for 4-8 hours, and the construction efficiency is greatly reduced in the process, so that the uniform spraying of the rust-proof primer can be realized, a device for quick marking can be realized, the spraying operation of the rust-proof primer is assisted, and the construction efficiency is improved.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a steel structure antirust fireproof paint spraying construction system and a use method thereof, and solves the quality common problem of fireproof paint cracking by adopting a mode of adding glass fiber mesh cloth in the middle of the fireproof paint; meanwhile, the invention adopts the strict proportion of materials, water and glue, can effectively improve the self adhesive property of the antirust primer, prevents the technical problem that the paint layer is separated from the surface of the steel structure due to viscosity failure, and generally improves the rust resistance and the fireproof property of the surface of the steel structure; in addition, the invention improves the spraying efficiency and uniformity of the rust-proof primer by adopting the rust-proof primer homogenizing spraying unit, thereby saving labor force and greatly reducing the waste of paint.
To achieve the above technical effects, according to a first aspect of the present invention, a steel structure antirust fireproof paint spraying construction system includes:
the surface of the steel structure is sprayed with an alkyd red rust-proof primer layer, a first fireproof coating layer and a second fireproof coating layer for rust prevention in turn from the surface to the outside the anti-rust primer homogenizing spraying unit is added between the first fireproof coating layer and the second fireproof coating layer and used for improving adhesive force, uniformly spraying alkyd red anti-rust primer and improving surface drying time;
the ratio of the first fireproof coating layer to the second fireproof coating layer is 1:0.9:0.2;
the rust-proof primer homogenizing spraying unit comprises a clamping travelling unit for clamping the steel structure and controlling the travelling speed of the rust-proof primer homogenizing spraying unit along the steel structure, a uniform-speed rotating unit fixedly arranged on the upper surface of the clamping travelling unit, and a spraying executing unit arranged above the uniform-speed rotating unit and used for spraying the rust-proof primer on the surface of the steel structure;
and uniformly spraying the alkyd red rust-proof primer on the surface of the steel structure through a rust-proof primer homogenizing spraying unit, spraying a first fireproof coating layer on the surface of the surface-dried alkyd red rust-proof primer layer, adding the fiber mesh cloth to the first fireproof coating layer, and spraying a second fireproof coating layer on the surface of the first fireproof coating layer.
Preferably, the spraying execution unit includes:
the device comprises a first shell, a storage component, a spraying unit, a third center through hole and a heating ring, wherein the storage component is arranged in the first shell and used for storing the alkyd red lead anti-rust primer, the spraying unit is used for spraying the alkyd red lead anti-rust primer in the storage component to the surface of a steel structure, the third center through hole is arranged in the center of the first shell and used for penetrating through the steel structure, and the heating ring is arranged on the inner wall of the third center through hole;
the alkyd red rust-proof primer is filled into the storage component before use, and is sprayed to the surface of the steel structure through the spraying unit during use.
Preferably, the storage assembly includes:
the anti-rust primer storage flow passage is separated from the anti-rust primer storage flow passage through a diversion filter interlayer and is used for conducting paint to the communication flow passages of the spraying units;
the antirust primer storage runner comprises a filling port and a filling pipe for filling paint, a storage cavity communicated with the filling pipe, and a cavity guide pipe for communicating adjacent storage cavities; the diversion filtering interlayer is arranged on the outer side wall of the storage cavity;
the communication runner comprises an interconnection guide pipe arranged on the other side of the diversion filtering interlayer and an output tail end guide pipe used for connecting the interconnection guide pipe and the injection unit in a penetrating way.
Preferably, the constant speed rotation unit includes:
the driving body is fixedly arranged on the upper surface of the clamping walking unit, and the rotating body is arranged above the driving body and is rotationally connected with the driving body;
the driving body comprises a hollow cylindrical driving main body, a driving gear and a driven guide gear which are arranged in the driving main body, a driving motor for controlling the driving gear to rotate, a first center through hole which is arranged in the center of the driving main body and used for penetrating through a steel structure, and a limiting blocking edge which is arranged at the edge of the upper surface of the driving main body and used for limiting the rotator;
the rotating body comprises a hollow cylindrical rotating body, a second center through hole arranged at the center of the rotating body and used for penetrating through a steel structure, and an annular rack part arranged on the lower surface of the rotating body;
the driving motor drives and controls the driving gear to rotate, so that the rotating body rotates under the meshing transmission of the annular rack part and the driving gear.
Preferably, the clamping walking unit comprises:
the walking device comprises a second shell, an extension angle adjusting unit and a walking driving unit, wherein the second shell is fixed below the uniform rotation unit, the extension angle adjusting unit is arranged in the second shell, and the walking driving unit is arranged at the output end of the extension angle adjusting unit;
the walking driving unit comprises a first stay bar rotationally connected with the output end of the extension angle adjusting unit through a third hinge shaft, a second stay bar fixedly connected with the two ends of the first stay bar in the vertical direction respectively, and a driving control wheel rotationally connected with the tail end of the second stay bar;
the driving control wheel is controlled by the extending angle adjusting unit to be matched with the walking driving unit in position, so that clamping movement of steel structures with different sizes is realized.
Preferably, the extension angle adjusting unit includes:
the positioning block is fixedly connected with the inner wall of the second shell, the angle adjusting cylinder is rotationally connected with the positioning block through a first hinge shaft, and the telescopic cylinder is rotationally connected with the second shell through a second hinge shaft; the tail end of the angle adjusting cylinder is rotationally connected with the outer wall of the telescopic cylinder, and the tail end of the telescopic cylinder is rotationally connected with the first supporting rod.
Preferably, the thickness of the alkyd red rust-proof primer layer is 100-140 microns.
Preferably, the thickness of the first fireproof coating layer and the second fireproof coating layer is 2-3mm.
The application method of the steel structure antirust fireproof paint spraying construction system comprises the following steps:
s100: firstly, removing dust, rust and other impurities on the surface of a steel structure;
s200: spraying alkyd red rust-proof primer after the surface of the steel structure is dried, and spraying rust-proof finish paint after the surface of the rust-proof primer is dried, wherein the thickness of the rust-proof primer is preferably controlled to be 120 microns;
s300: after the antirust primer is dried, preparing a fireproof coating according to powder: water: glue = 1:0.9:0.2, sequentially adding and fully stirring for 5min, then adopting a spray gun of a spraying method to spray the fireproof coating for the first time perpendicularly to the base surface, and fully and uniformly stirring before construction, wherein the thickness is preferably 2-3mm;
s400: after the first-time fireproof paint spraying is finished, the spraying surface is gently brushed by a brush roller in a rolling way to lead the paint surface to have the effect of napping, then high silica glass fiber grid cloth is rapidly stuck, the grid cloth can be used for a long time at 900 ℃, the softening point is close to 1700 ℃, the softening point is matched with the high temperature resistance of the fireproof paint, and the grid cloth is prevented from falling off due to the performance difference, so that the fireproof performance of the whole structure is prevented from being influenced;
s500: the second fireproof paint is prepared from powder after the coating is dried for one time: water = 3:5, preparing and spraying the mixture according to the mixing ratio, wherein the thickness is preferably 2-3mm, and the glass fiber mesh cloth can be completely covered;
s600: the small-area components, joint bolts and screw parts are plugged manually by adopting a brushing method, the missing parts are checked for brushing, the brush is soaked by water and then is fully dipped with paint, the excessive paint is scraped by a scraper and then is brushed, and the time is controlled to be within 30% of the dryness of the large-area spraying operation;
s700: detecting the surface and thickness of the coating after spraying, wherein the coating is required to be smooth and free of chromatic aberration, and brushing is required when the average value of the thickness is smaller than the minimum value;
s800: after the construction process flow is finished, finished product protection is carried out on the steel structure, and collision to the fireproof paint in the subsequent construction process is prevented.
Preferably, the step 200 includes the following steps:
s201: sleeving the rust-proof primer homogenizing spraying unit on the outer wall of the steel structure, and filling the rust-proof primer into the spraying executing unit;
s202: starting a clamping walking unit, clamping steel structures with different sizes by adjusting an angle adjusting cylinder and matching with the extending length of a telescopic cylinder, and moving along the steel structures under the action of a walking driving unit;
s203: starting a uniform rotation unit, and controlling the rotating body to rotate at a uniform speed through the driving body so as to drive a spraying execution unit above the rotating body to realize movement;
s204: starting a spraying execution unit, spraying the antirust primer to the surface of the steel structure through a spraying unit, and promoting the surface drying of the antirust primer under the action of a heating ring.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
1. according to the steel structure antirust fireproof paint spraying construction system and the application method thereof, the quality common problem of fireproof paint cracking is solved by adding the glass fiber mesh cloth in the middle of the fireproof paint; meanwhile, the invention adopts the strict proportion of materials, water and glue, can effectively improve the self adhesive property of the antirust primer, prevents the technical problem that the paint layer is separated from the surface of the steel structure due to viscosity failure, and generally improves the rust resistance and the fireproof property of the surface of the steel structure; in addition, the invention improves the spraying efficiency and uniformity of the rust-proof primer by adopting the rust-proof primer homogenizing spraying unit, thereby saving labor force and greatly reducing the waste of paint;
2. according to the steel structure antirust fireproof paint spraying construction system and the application method thereof, the antirust primer homogenizing spraying unit is sleeved on the outer wall of the steel structure to be sprayed, the spraying execution unit is utilized for spraying, and the heating ring is adopted for heating the sprayed antirust primer to assist in promoting surface drying, so that the technical problems that the waiting time of the surface drying of the antirust primer is too long and the construction efficiency is affected are effectively solved;
3. according to the steel structure antirust fireproof coating spraying construction system and the application method thereof, the diversion filter interlayer and the communicating runner are additionally arranged in the storage component, so that the phenomenon that the spraying unit is blocked by impurities in the paint is effectively prevented, the equal storage quantity and the equal consumption of each spray nozzle are effectively realized, and the spraying uniformity is effectively improved.
Drawings
FIG. 1 is a schematic cross-sectional structure diagram of a spraying completion state of a steel structure antirust fireproof coating spraying construction system according to an embodiment of the invention;
FIG. 2 is a schematic view of an anti-rust construction state of a steel structure anti-rust fireproof coating spraying construction system according to an embodiment of the invention;
FIG. 3 is a schematic top view cross-section structure of a spraying execution unit of a steel structure antirust fireproof coating spraying construction system according to an embodiment of the invention;
FIG. 4 is a schematic diagram showing the sectional structure of a constant-speed rotation unit of a steel structure antirust fireproof paint spraying construction system according to an embodiment of the invention
FIG. 5 is a schematic view of the bottom surface structure of a rotor of a steel structure antirust fire retardant coating spraying construction system according to an embodiment of the present invention;
FIG. 6 is a schematic view of a structure of an extension angle adjusting unit of a steel structure antirust fireproof paint spraying construction system according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a traveling driving unit of a steel structure antirust fireproof paint spraying construction system according to an embodiment of the present invention;
fig. 8 is a flow chart of a construction method of a steel structure antirust fireproof paint spraying construction system according to an embodiment of the invention.
Like reference numerals denote like technical features throughout the drawings, in particular: 1-steel structure, 2-alkyd red rust inhibitive primer layer, 3-first fireproof paint layer, 4-fiber mesh cloth, 5-second fireproof paint layer, 6-rust inhibitive primer leveling spray unit, 610-spray execution unit, 611-first housing, 612-rust inhibitive primer storage flow channel, 6121-storage cavity, 6122-cavity conduit, 6123-diversion filter sandwich, 6124-filler port, 6125-filler tube, 613-flow leveling flow channel, 6131-interconnection conduit, 6132-output end conduit, 614-spray unit, third central through hole 615, heating ring 616, 620-constant rotation unit, 621-rotation body, 6210-rotation body, 6211-second central through hole, 6212-annular rack portion, 622-drive body, 6220-drive body, 6221-drive gear, 6222-drive motor, 6223-first central through hole, 6224-passive guide gear, 6225-limit stop edge, 630-walking unit, 6300-second housing, 6311-extension angle adjustment unit, 6311-second shaft 6314-second cylinder 6321-second shaft 6313-second cylinder 6321-second shaft 6315-cylinder 6321-second shaft 6313-cylinder 6315-second shaft.
Detailed Description
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 7, in the embodiment of the invention, the steel structure antirust fireproof paint spraying construction system comprises:
the steel structure comprises a steel structure 1, an alkyd red rust-proof primer layer 2, a first fireproof coating layer 3 and a second fireproof coating layer 5, a fiber mesh 4 which is added between the first fireproof coating layer 3 and the second fireproof coating layer 5 and is used for improving adhesive force, and a rust-proof primer homogenizing spraying unit 6 which is used for uniformly spraying the alkyd red rust-proof primer and improving the surface drying time of the alkyd red rust-proof primer;
the first fireproof coating layer 3 and the second fireproof coating layer 5 materials, water and glue are mixed according to the proportion of 1:0.9:0.2;
the rust-proof primer homogenizing spraying unit 6 comprises a clamping walking unit 630 used for clamping a steel structure and controlling the travelling speed of the rust-proof primer homogenizing spraying unit 6 along the steel structure, a uniform-speed rotating unit 620 fixedly arranged on the upper surface of the clamping walking unit 630, and a spraying executing unit 610 arranged above the uniform-speed rotating unit 620 and used for spraying the rust-proof primer on the surface of the steel structure;
uniformly spraying the alkyd red rust-proof primer on the surface of the steel structure through a rust-proof primer homogenizing spraying unit 6, spraying a first fireproof coating layer 3 on the surface of the surface-dried alkyd red rust-proof primer layer 2, adding the fiber mesh 4 to the first fireproof coating layer 3, and spraying a second fireproof coating layer 5 on the surface of the first fireproof coating layer 3.
In the embodiment of the invention, the quality common problem of cracking of the fireproof paint is solved by adding the glass fiber mesh cloth in the middle of the fireproof paint; meanwhile, the invention adopts the strict proportion of materials, water and glue, can effectively improve the self adhesive property of the antirust primer, prevents the technical problem that the paint layer is separated from the surface of the steel structure due to viscosity failure, and generally improves the rust resistance and the fireproof property of the surface of the steel structure; in addition, the invention improves the spraying efficiency and uniformity of the rust-proof primer by adopting the rust-proof primer homogenizing spraying unit 6, thereby saving labor force and greatly reducing the waste of paint.
As shown in fig. 2 to 3, in the embodiment of the present invention, the spraying executing unit 610 includes:
the device comprises a first shell 611, a storage component, a spraying unit 614, a third center through hole 615 and a heating ring 616, wherein the storage component is arranged inside the first shell 611 and is used for storing alkyd red rust-proof primer, the spraying unit 614 is used for spraying the alkyd red rust-proof primer in the storage component to the surface of a steel structure, the third center through hole 615 is arranged at the center of the first shell 611 and is used for penetrating through the steel structure, and the heating ring 616 is arranged on the inner wall of the third center through hole 615;
the alkyd red rust inhibitive primer is sprayed onto the surface of the steel structure by charging the raw material of the alkyd red rust inhibitive primer into the storage component before use and spraying the alkyd red rust inhibitive primer onto the surface of the steel structure by a spraying unit 614 when in use.
In the embodiment of the invention, the rust-proof primer homogenizing spraying unit 6 is sleeved on the outer wall of the steel structure to be sprayed, the spraying execution unit 610 is utilized for spraying, and the heating ring 616 is adopted for heating the sprayed rust-proof primer to assist in promoting surface drying, so that the technical problem that the construction efficiency is affected due to overlong waiting time of the surface drying of the rust-proof primer is effectively solved.
As shown in fig. 2 to 3, in an embodiment of the present invention, the storage assembly includes:
a rust preventive primer storage runner 612, a communication runner 613 which is separated from the rust preventive primer storage runner 612 by a diversion filter interlayer 6123 and is used for conducting paint to each spraying unit 614;
the antirust primer storage runner 612 comprises a filling port 6124 and a filling pipe 6125 for filling paint, a storage cavity 6121 communicated with the filling pipe 6125, and a cavity conducting pipe 6122 for communicating adjacent storage cavities 6121; the diversion filtering interlayer 6123 is arranged on the outer side wall of the storage cavity 6121;
the communicating channel 613 includes an interconnecting flow guiding pipe 6131 arranged at the other side of the flow guiding and filtering interlayer 6123, and an output end conduit 6132 for connecting the interconnecting flow guiding pipe 6131 and the spraying unit 614 in a penetrating way.
In the embodiment of the invention, the diversion filter interlayer 6123 and the communication runner 613 are additionally arranged in the storage component, so that the phenomenon that the spraying unit 614 is blocked by impurities in paint is effectively prevented, the equal storage amount of each spray head is effectively realized, and the spraying uniformity is effectively improved.
As shown in fig. 2, 4 and 5, in the embodiment of the present invention, the constant speed rotation unit 620 includes:
a driving body 622 fixedly arranged on the upper surface of the clamping travelling unit 630, and a rotating body 621 arranged above the driving body 622 and rotationally connected with the driving body 622;
the driving body 622 includes a hollow cylindrical driving body 6220, a driving gear 6221 and a driven guiding gear 6224 disposed inside the driving body 6220, a driving motor 6222 for controlling the rotation of the driving gear 6221, a first central through hole 6223 disposed in the center of the driving body 6220 and used for passing through a steel structure, and a limiting stop edge 6225 disposed at the edge of the upper surface of the driving body 6220 and used for limiting the rotating body 621;
the rotating body 621 comprises a hollow cylindrical rotating body 6210, a second central through hole 6211 arranged at the center of the rotating body 6210 and used for penetrating through a steel structure, and an annular rack part 6212 arranged on the lower surface of the rotating body 621;
the drive motor 6222 drives and controls the drive gear 6221 to rotate, so that the rotation of the rotating body 6210 is realized under the meshing transmission of the annular rack portion 6212 and the drive gear 6221.
As shown in fig. 2, 6 and 7, in the embodiment of the present invention, the clamping walking unit 630 includes:
a second housing 6300 fixed below the uniform rotation unit 620, an extension angle adjusting unit 631 disposed in the second housing 6300, and a travel driving unit 632 disposed at an output end of the extension angle adjusting unit 631;
the walking driving unit 632 comprises a first supporting rod 6322 rotationally connected with the output end of the extension angle adjusting unit 631 through a third hinge shaft 6321, a second supporting rod 6323 fixedly connected with two ends of the first supporting rod 6322 in the vertical direction, and a driving control wheel 6324 rotationally connected with the tail end of the second supporting rod 6323;
the driving control wheel 6324 is controlled to be matched with the walking driving unit 632 through the extending angle adjusting unit 631, so that clamping motions of steel structures with different sizes are achieved.
As shown in fig. 2, 6 and 7, in the embodiment of the present invention, the extension angle adjusting unit 631 includes:
the device comprises a positioning block 6311 fixedly connected with the inner wall of a second shell 6300, an angle adjusting cylinder 6313 rotationally connected with the positioning block 6311 through a first hinge shaft 6312, and a telescopic cylinder 6315 rotationally connected with the second shell 6300 through a second hinge shaft 6314; the tail end of the angle adjusting cylinder 6313 is rotatably connected with the outer wall of the telescopic cylinder 6315, and the tail end of the telescopic cylinder 6315 is rotatably connected with the first supporting rod 6322.
The working principle of the rust preventive primer homogenizing spraying unit 6 is as follows: firstly, sleeving a rust-proof primer homogenizing spraying unit 6 on the outer wall of a steel structure, and filling the rust-proof primer into a spraying executing unit 610; next, the clamping walking unit is started, the angle adjusting cylinder 6313 is adjusted, the stretching length of the stretching cylinder 6315 is matched to clamp steel structures with different sizes, and the walking driving unit 632 is used for moving along the steel structures; next, the constant speed rotation unit is started, and the driving body 622 controls the rotating body 621 to rotate at a constant speed, so that the spraying execution unit 610 above the rotating body 621 is driven to realize movement; next, the spray execution unit (610) is started, the rust inhibitive primer is sprayed to the surface of the steel structure through the spraying unit 614, and the rust inhibitive primer surface drying is promoted under the action of the heating ring 616.
As shown in FIG. 1, in the embodiment of the invention, the thickness of the alkyd red rust-preventive primer layer 2 is 100-140 micrometers.
In the embodiment of the present invention, as shown in fig. 1, the thickness of the first fireproof coating layer 3 and the second fireproof coating layer 5 is 2-3mm.
As shown in fig. 8, in the embodiment of the invention, the application method of the steel structure antirust fireproof paint spraying construction system comprises the following steps:
s100: firstly, removing dust, rust and other impurities on the surface of a steel structure;
s200: spraying alkyd red rust-proof primer after the surface of the steel structure is dried, and spraying rust-proof finish paint after the surface of the rust-proof primer is dried, wherein the thickness of the rust-proof primer is preferably controlled to be 120 microns;
s300: after the antirust primer is dried, preparing a fireproof coating according to powder: water: glue = 1:0.9:0.2, sequentially adding and fully stirring for 5min, then adopting a spray gun of a spraying method to spray the fireproof coating for the first time perpendicularly to the base surface, and fully and uniformly stirring before construction, wherein the thickness is preferably 2-3mm;
s400: after the first-time fireproof paint spraying is finished, the spraying surface is gently brushed by a brush roller in a rolling way to lead the paint surface to have the effect of napping, then high silica glass fiber grid cloth is rapidly stuck, the grid cloth can be used for a long time at 900 ℃, the softening point is close to 1700 ℃, the softening point is matched with the high temperature resistance of the fireproof paint, and the grid cloth is prevented from falling off due to the performance difference, so that the fireproof performance of the whole structure is prevented from being influenced;
s500: the second fireproof paint is prepared from powder after the coating is dried for one time: water = 3:5, preparing and spraying the mixture according to the mixing ratio, wherein the thickness is preferably 2-3mm, and the glass fiber mesh cloth can be completely covered;
s600: the small-area components, joint bolts and screw parts are plugged manually by adopting a brushing method, the missing parts are checked for brushing, the brush is soaked by water and then is fully dipped with paint, the excessive paint is scraped by a scraper and then is brushed, and the time is controlled to be within 30% of the dryness of the large-area spraying operation;
s700: detecting the surface and thickness of the coating after spraying, wherein the coating is required to be smooth and free of chromatic aberration, and brushing is required when the average value of the thickness is smaller than the minimum value;
s800: after the construction process flow is finished, finished product protection is carried out on the steel structure, and collision to the fireproof paint in the subsequent construction process is prevented.
The step 200 includes the steps of:
s201: sleeving the rust-proof primer homogenizing spraying unit 6 on the outer wall of the steel structure, and filling the rust-proof primer into the spraying executing unit 610;
s202: starting a clamping walking unit, clamping steel structures with different sizes by adjusting an angle adjusting cylinder 6313 and matching with the extending length of a telescopic cylinder 6315, and moving along the steel structures under the action of a walking driving unit 632;
s203: the constant-speed rotation unit is started, and the driving body 622 controls the rotating body 621 to rotate at a constant speed, so that the spraying execution unit 610 above the rotating body 621 is driven to realize movement;
s204: the spraying execution unit (610) is started, the anti-rust primer is sprayed to the surface of the steel structure through the spraying unit 614, and the surface drying of the anti-rust primer is promoted under the action of the heating ring 616.
The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The foregoing is merely a preferred embodiment of the present application and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the present application.
Claims (10)
1. The utility model provides a steel construction rust-resistant fire prevention coating spraying construction system which characterized in that includes:
the steel structure comprises a steel structure (1), an alkyd red rust-proof primer layer (2), a first fireproof coating layer (3) and a second fireproof coating layer (5), fiber mesh cloth (4) which is added between the first fireproof coating layer (3) and the second fireproof coating layer (5) and is used for improving adhesive force, and a rust-proof primer homogenizing spraying unit (6) which is used for uniformly spraying the alkyd red rust-proof primer and improving the surface drying time of the alkyd red rust-proof primer;
the first fireproof coating layer (3) and the second fireproof coating layer (5) are prepared from the following materials in proportion: 0.9:0.2;
the rust-proof primer homogenizing spraying unit (6) comprises a clamping walking unit (630) used for clamping a steel structure and controlling the travelling speed of the rust-proof primer homogenizing spraying unit (6) along the steel structure, a uniform-speed rotating unit (620) fixedly arranged on the upper surface of the clamping walking unit (630), and a spraying executing unit (610) arranged above the uniform-speed rotating unit (620) and used for spraying the rust-proof primer on the surface of the steel structure;
uniformly spraying the alkyd red rust-proof primer on the surface of a steel structure through a rust-proof primer homogenizing spraying unit (6), spraying a first fireproof coating layer (3) on the surface of the surface-dried alkyd red rust-proof primer layer (2), adding the fiber mesh cloth (4) to the first fireproof coating layer (3), and spraying a second fireproof coating layer (5) on the surface of the first fireproof coating layer (3).
2. The steel structure antirust fireproof paint spraying construction system as claimed in claim 1, wherein the spraying execution unit (610) comprises:
the device comprises a first shell (611), a storage component, a spraying unit (614), a third central through hole (615) and a heating ring (616), wherein the storage component is arranged in the first shell (611) and is used for storing the alkyd red rust-proof primer, the spraying unit (614) is used for spraying the alkyd red rust-proof primer in the storage component to the surface of a steel structure, the third central through hole (615) is arranged at the center of the first shell (611) and is used for penetrating through the steel structure, and the heating ring (616) is arranged on the inner wall of the third central through hole (615);
the alkyd red rust-proof primer is sprayed to the surface of the steel structure through a spraying unit (614) when the alkyd red rust-proof primer is used by filling the alkyd red rust-proof primer raw material into the storage component before the use.
3. The steel structure antirust fireproof paint spraying construction system according to claim 2, wherein the storage component comprises:
the anti-rust primer storage runner (612) and the communicating runner (613) is separated from the anti-rust primer storage runner (612) through a diversion filter interlayer (6123) and used for conducting paint to each spraying unit (614);
the antirust primer storage runner (612) comprises a filling port (6124) and a filling pipe (6125) for filling paint, a storage cavity (6121) communicated with the filling pipe (6125), and a cavity guide pipe (6122) for communicating adjacent storage cavities (6121); the diversion filtering interlayer (6123) is arranged on the outer side wall of the storage cavity (6121);
the communication runner (613) comprises an interconnection flow guide pipe (6131) arranged on the other side of the flow guide filtering interlayer (6123), and an output end guide pipe (6132) used for connecting the interconnection flow guide pipe (6131) and the injection unit (614) in a penetrating way.
4. A steel structure antirust fire-proof paint spraying construction system as claimed in any one of claims 1 to 3, characterized in that said uniform rotation unit (620) comprises:
a driving body (622) fixedly arranged on the upper surface of the clamping travelling unit (630), and a rotating body (621) arranged above the driving body (622) and rotationally connected with the driving body;
the driving body (622) comprises a hollow cylindrical driving body (6220), a driving gear (6221) and a driven guide gear (6224) which are arranged in the driving body (6220), a driving motor (6222) for controlling the driving gear (6221) to rotate, a first central through hole (6223) which is arranged in the center of the driving body (6220) and used for penetrating through a steel structure, and a limiting blocking edge (6225) which is arranged at the edge of the upper surface of the driving body (6220) and used for limiting the rotating body (621);
the rotating body (621) comprises a hollow cylindrical rotating body (6210), a second central through hole (6211) arranged in the center of the rotating body (6210) and used for penetrating through a steel structure, and an annular rack part (6212) arranged on the lower surface of the rotating body (621);
the drive motor (6222) drives and controls the drive gear (6221) to rotate, so that the rotation of the rotating body (6210) is realized under the meshing transmission of the annular rack part (6212) and the drive gear (6221).
5. The steel structure antirust fire retardant coating spraying construction system according to claim 4, characterized in that the clamping traveling unit (630) comprises:
a second shell (6300) fixed below the uniform rotation unit (620), an extension angle adjusting unit (631) arranged in the second shell (6300), and a walking driving unit (632) arranged at the output end of the extension angle adjusting unit (631);
the walking driving unit (632) comprises a first supporting rod (6322) rotationally connected with the output end of the stretching angle adjusting unit (631) through a third hinging shaft (6321), a second supporting rod (6323) fixedly connected with two ends of the first supporting rod (6322) in the vertical direction respectively, and a driving control wheel (6324) rotationally connected with the tail end of the second supporting rod (6323);
the driving control wheel (6324) is controlled by the extending angle adjusting unit (631) to be matched with the walking driving unit (632) in position, so that clamping motions of steel structures with different sizes are realized.
6. The steel structure antirust fire retardant coating spraying construction system according to claim 5, characterized in that the extension angle adjusting unit (631) comprises:
the device comprises a positioning block (6311) fixedly connected with the inner wall of a second shell (6300), an angle adjusting cylinder (6313) rotationally connected with the positioning block (6311) through a first hinge shaft (6312), and a telescopic cylinder (6315) rotationally connected with the second shell (6300) through a second hinge shaft (6314); the tail end of the angle adjusting cylinder (6313) is rotationally connected with the outer wall of the telescopic cylinder (6315), and the tail end of the telescopic cylinder (6315) is rotationally connected with the first supporting rod (6322).
7. The steel structure antirust fireproof paint spraying construction system according to any one of claims 5 or 6, wherein:
the thickness of the alkyd red rust-proof primer layer (2) is 100-140 micrometers.
8. The steel structure antirust fireproof paint spraying construction system according to claim 7, wherein:
the thickness of the first fireproof coating layer (3) and the second fireproof coating layer (5) is 2-3mm.
9. The application method of the steel structure antirust fireproof paint spraying construction system is characterized by comprising the following steps of:
s100: firstly, removing dust, rust and other impurities on the surface of a steel structure;
s200: spraying alkyd red rust-proof primer after the surface of the steel structure is dried, and spraying rust-proof finish paint after the surface of the rust-proof primer is dried, wherein the thickness of the rust-proof primer is preferably controlled to be 120 microns;
s300: after the antirust primer is dried, preparing a fireproof coating according to powder: water: glue = 1:0.9:0.2, sequentially adding and fully stirring for 5min, then adopting a spray gun of a spraying method to spray the fireproof coating for the first time perpendicularly to the base surface, and fully and uniformly stirring before construction, wherein the thickness is preferably 2-3mm;
s400: after the first-time fireproof paint spraying is finished, the spraying surface is gently brushed by a brush roller in a rolling way to lead the paint surface to have the effect of napping, then high silica glass fiber grid cloth is rapidly stuck, the grid cloth can be used for a long time at 900 ℃, the softening point is close to 1700 ℃, the softening point is matched with the high temperature resistance of the fireproof paint, and the grid cloth is prevented from falling off due to the performance difference, so that the fireproof performance of the whole structure is prevented from being influenced;
s500: the second fireproof paint is prepared from powder after the coating is dried for one time: water = 3:5, preparing and spraying the mixture according to the mixing ratio, wherein the thickness is preferably 2-3mm, and the glass fiber mesh cloth can be completely covered;
s600: the small-area components, joint bolts and screw parts are plugged manually by adopting a brushing method, the missing parts are checked for brushing, the brush is soaked by water and then is fully dipped with paint, the excessive paint is scraped by a scraper and then is brushed, and the time is controlled to be within 30% of the dryness of the large-area spraying operation;
s700: detecting the surface and thickness of the coating after spraying, wherein the coating is required to be smooth and free of chromatic aberration, and brushing is required when the average value of the thickness is smaller than the minimum value;
s800: after the construction process flow is finished, finished product protection is carried out on the steel structure, and collision to the fireproof paint in the subsequent construction process is prevented.
10. The method for using the steel structure antirust fireproof paint spraying construction system according to claim 9, wherein the step 200 comprises the following steps:
s201: sleeving the rust-proof primer homogenizing spraying unit (6) on the outer wall of the steel structure, and filling the rust-proof primer into the spraying executing unit (610);
s202: starting a clamping walking unit, clamping steel structures with different sizes by matching with the extending length of a telescopic cylinder (6315) through an angle adjusting cylinder (6313), and moving along the steel structures under the action of a walking driving unit (632);
s203: starting the uniform rotation unit, and controlling the rotation body (621) to rotate at a uniform speed through the driving body (622), so as to drive the spraying execution unit (610) above the rotation body (621) to realize movement;
s204: and starting a spraying execution unit (610), spraying the antirust primer to the surface of the steel structure through a spraying unit (614), and promoting the surface drying of the antirust primer under the action of a heating ring (616).
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| CN202311103049.5A CN117324173A (en) | 2023-08-29 | 2023-08-29 | Steel structure antirust fireproof paint spraying construction system and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563800A (en) * | 2024-01-16 | 2024-02-20 | 北京城建集团有限责任公司 | Spraying construction process and device for anti-corrosion and fireproof coating for steel structure engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563800A (en) * | 2024-01-16 | 2024-02-20 | 北京城建集团有限责任公司 | Spraying construction process and device for anti-corrosion and fireproof coating for steel structure engineering |
| CN117563800B (en) * | 2024-01-16 | 2024-03-29 | 北京城建集团有限责任公司 | Spraying construction process and device for anti-corrosion and fireproof coating for steel structure engineering |
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