CN116426151A - Ultra-light UHDC fireproof protective coating for steel structure building and spraying device - Google Patents
Ultra-light UHDC fireproof protective coating for steel structure building and spraying device Download PDFInfo
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- CN116426151A CN116426151A CN202310264183.7A CN202310264183A CN116426151A CN 116426151 A CN116426151 A CN 116426151A CN 202310264183 A CN202310264183 A CN 202310264183A CN 116426151 A CN116426151 A CN 116426151A
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- 238000005507 spraying Methods 0.000 title claims abstract description 72
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 239000011253 protective coating Substances 0.000 title claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 94
- 239000011248 coating agent Substances 0.000 claims abstract description 92
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims description 53
- 239000007921 spray Substances 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000007493 shaping process Methods 0.000 claims description 34
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 4
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- 238000000429 assembly Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 24
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- 229910052882 wollastonite Inorganic materials 0.000 description 1
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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
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
-
- 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
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/06—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement
- C09D1/08—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances cement with organic additives
-
- 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
-
- 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
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to the field of fireproof coatings, in particular to an ultra-light UHDC fireproof protective coating for steel structure buildings, which comprises the following specific components: portland cement: 12-150 parts; 10-40 parts of quick hardening sulphoaluminate cement; polypropylene fibers: 1-3 parts; glass beads: 1-3 parts; broken stone: 1-3 parts; nanoporous material: 1-3 parts; through adding quick hardening sulphoaluminate cement in the raw materials, not only there is reinforcing cement holistic intensity, can also accelerate the thick liquids setting and hardening speed, avoid collapsing the mould problem, replace traditional large granule skeleton texture through glass bead and rubble, can reduce the whole weight of cement coating, not only made things convenient for the spraying process, and further prevented the coating accident of collapsing the mould, the nano-porous material's of cooperation is added simultaneously, can let the inside routing layer that exists of cement, further improve thermal-insulated effect, and nano-porous material is light material, also can further reduce the weight of coating.
Description
Technical Field
The invention belongs to the field of fireproof coatings, and particularly relates to an ultra-light UHDC fireproof protective coating for a steel structure building and a spraying device.
Background
Ultra-high-ductility concrete is also called UHDC, and has ultra-high durability and ultra-high mechanical properties which are not possessed by the traditional concrete; because factors such as fire, earthquake or impact load easily cause the steel structure to be easy to generate large deformation, the common fireproof coating is cracked or peeled off, so that the fireproof effect is lost, therefore, the UHDC fireproof protective coating is required to be used, and the fireproof coating can be stably wrapped on the outer side of the steel under severe conditions.
The Chinese patent with publication number of CN106401637A discloses a construction method of an environment-friendly tunnel fireproof coating, which comprises the following steps: tunnel structure surface clearance, spraying fire prevention coating, wire net setting, flattening, flame retardant coating, wherein, at spraying fire prevention coating in-process, the fire prevention coating green who adopts comprises following raw materials: refractory water, styrene-acrylic emulsion, expanded perlite, expanded vermiculite, aluminum hydroxide, sepiolite, clay, china clay, kaolin, light calcium carbonate, wollastonite, glass fiber, a concrete expanding agent, cellulose ether, polypropylene fiber, rubber powder and sodium alkyl naphthalene sulfonate;
the existing UHDC fireproof protective coating has the defects that the strength of the traditional UHDC fireproof protective coating is general, and the interior of the traditional UHDC fireproof protective coating is filled with aggregate with larger particles, so that the heat insulation effect is general, the whole weight is heavier, and the problem of paint die collapse easily occurs in the spraying process.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides an ultra-light UHDC fireproof protective coating for a steel structure building.
The technical scheme adopted for solving the technical problems is as follows: an ultra-light UHDC fireproof protective coating for steel structure buildings, which is characterized in that: the coating is formed by a coating sprayed by a spraying device, and the coating comprises the following raw materials in parts by weight:
through adding quick hardening sulphoaluminate cement in the raw materials, not only there is reinforcing cement holistic intensity, can also accelerate the thick liquids setting and hardening speed, avoid collapsing the mould problem, replace traditional large granule skeleton texture through glass bead and rubble, can reduce the whole weight of cement coating, not only made things convenient for the spraying process, and further prevented the coating accident of collapsing the mould, the nano-porous material's of cooperation is added simultaneously, can let the inside routing layer that exists of cement, further improve thermal-insulated effect, and nano-porous material is light material, also can further reduce the weight of coating.
The other technical scheme of the invention is as follows: a spraying device is used for spraying an ultralight UHDC fireproof protective coating for a steel structure building, the spraying device comprises a driving vehicle, a transmission pump fixedly installed on the driving vehicle, and a loading hopper fixedly installed on the driving vehicle and located on the upper side of the transmission pump, the input end of the transmission pump is connected with an outlet of the bottom of the loading hopper, and the output end of the transmission pump is connected with an adjusting spray head through a transmission pipe. During operation, the device is moved to a designated position by the driving vehicle, the coating raw material is placed into the charging hopper, the transmission pump is started, and the coating raw material is transmitted to the adjusting spray head through the transmission pipe to be ejected, so that the steel material can be sprayed.
Preferably, the adjusting spray head comprises a center frame, two shaping frames which are connected on the left side and the right side of the center frame in a sliding mode, a dispersing assembly arranged in the middle of an inner cavity of the center frame, and two equally dividing assemblies arranged on two sides of the dispersing assembly, wherein the connecting part of each shaping frame and the center frame is in sliding fit through a step surface and at least one driving assembly is arranged. When the spray head adjusting device works, only the driving assembly is required to be started when the width of the adjusting spray head needs to be changed, and the driving assembly can drive the molding frame to horizontally move, so that the width of the adjusting spray head can be changed, the adjustable work of the spraying area is realized, the setting of the equally dividing assembly is matched, the sprayed paint can adapt to the width of the adjusting spray head, the sprayed paint is ensured to be uniform, and the coating spraying quality is ensured. Because the shape of the steel material in the building is different and wide and narrow, and the components capable of being rapidly hardened are added in the coating, if the sprayed steel is narrower in the spraying process, the common spray head is difficult to align with the steel precisely, the raw material of the coating is easy to splash to other places and harden rapidly, waste is caused, the subsequent treatment process is easy to be complicated, the width can be randomly adjusted in a certain range through the adjustment spray head, the device is suitable for the steel in various shapes in the spraying process, the waste and the sputtering of the raw material in the spraying process are reduced, and the spraying work is greatly facilitated. When the moulding frame moves relative to the center, the step surfaces of the moulding frame and the moulding frame can be fully rubbed, so that the coating attached to the joint of the moulding frame and the moulding frame can be removed, and the problem that the joint is blocked by the coating in the recovery process is solved.
Preferably, the driving assembly comprises a hydraulic telescopic rod, one end of the hydraulic telescopic rod is connected with the inner side of the center frame, the other end of the hydraulic telescopic rod is connected with the shaping frame, and the hydraulic telescopic rod drives the shaping frame to slide relative to the center frame in the left-right direction when being telescopic. When the spray-coating device works, the hydraulic telescopic rod is started to extend and return, so that the shaping frame can be driven to horizontally move, and the spray-coating width is adjusted.
Preferably, the top end of the center frame is fixedly provided with an operating handle, the inner wall of the front side of the shaping frame is provided with an outwards-expanded inclined groove, and the inclined groove is arc-shaped. During operation, the inclined grooves of the shaping frame are matched, so that the sprayed coating can smoothly turn at the joint of the shaping frame and the center frame, the problem of uneven spraying caused by damaged flow velocity of the sprayed coating at the end part of the shaping frame is reduced.
Preferably, a hanging component is arranged at the joint of the central frame and the shaping frame; the hanging component comprises a storage groove formed in the center frame, a sharp corner arranged at the edge of the step surface of the shaping frame, and an extrusion telescopic rod, a gear rod and a rotary table which are arranged in the storage groove; the extrusion telescopic rod consists of a sleeve, a first spring arranged in the sleeve, and a telescopic rod which is in sliding fit with the sleeve and is pressed by the first spring, wherein the sleeve extends towards one side of the molding frame, the end part of the telescopic rod is fixedly connected with a rotary disc, the rotary disc is fixedly arranged at one end of a gear rod, and the other end of the gear rod extends towards the rear side of the center frame. During operation, when step face one end of moulding frame slides to the contact with the center frame, can drive the gear pole anticlockwise rotation through triggering the subassembly, drive extrusion telescopic link and outwards roll out from accomodating the groove to can let the tip of extrusion telescopic link rub with the tip of moulding frame, can get rid of the coating that just hang in moulding frame outside, avoid solidifying at moulding frame tip because of the coating, lead to moulding frame unable return in place's problem, the first spring in the extrusion telescopic link of cooperation simultaneously can let the tip of extrusion telescopic link contact moulding frame all the time, guarantees its clean effect. When the shaping frame moves to the center, the sharp angle of one end of the shaping frame is matched, the shaping frame can be fully rubbed with the inner side of the center frame, so that the coating attached to the inner side of the center frame can be removed, the problem that the inner side of the center frame is blocked by the coating in the recovery process is reduced, meanwhile, the assembly is matched and hung and removed, the attached coating can be removed more comprehensively, the assembly is triggered, and the assembly is hung and removed to work in a proper time.
Preferably, a triggering component is arranged at the joint of the central frame and the shaping frame, and the triggering component comprises a push rod, a second spring and a latch plate; the center frame is provided with a mounting hole for slidably mounting the ejector rod, a second spring is mounted between the ejector rod and the bottom of the mounting hole, the middle part of the ejector rod is provided with a chute, an inclined rod is slidably matched in the chute, the bottom end of the inclined rod is connected with the upper end of the tooth clamping plate, and the lower end of the tooth clamping plate extends downwards and is meshed with a gear fixed at the rear end of the gear rod to realize transmission. During operation, along with moulding frame to the center removal, can extrude the ejector pin and remove mutually, the transmission of cooperation chute and diagonal bar can drive the card pinion rack and upwards move, and the transmission of cooperation card pinion rack and gear pole is connected simultaneously, can drive gear pole and carousel anticlockwise rotation, and then has realized triggering function, need not other operations, as long as when moulding frame is close to the center frame, can accomplish and hang the removal effect to the operation process has been simplified.
Preferably, the dispersing assembly comprises an impact plate, the impact plate is positioned in the middle of the center frame and fixedly connected with the inner walls of the upper side and the lower side of the center frame, and a plurality of groups of scattering holes penetrating through the front wall and the rear wall of the impact plate are formed in the impact plate. When the coating of transmission pipe strikes the impact plate during operation, can be broken up by the impact plate, and partial coating can continue to spray forward through the hole that scatters again to realized the function of coating dispersion, guaranteed the even spraying effect of coating.
Preferably, the impact plate comprises a front plate and a rear protruding block, the rear protruding block is triangular pyramid or polygonal pyramid, each side wall of the rear protruding block is in a concave arc shape, and inner grooves are formed in the left side and the right side of the front plate. During operation, the shape of lug sets up after the cooperation, can make the coating that lets the dispersion smooth turn to reduce the power that consumes when dispersing, power is enough when guaranteeing the follow-up blowout, thereby further guaranteed the even spraying effect of coating.
Preferably, the equipartition subassembly includes the steering plate, the transversal arc that personally submits of steering plate, the one end and the inner wall fixed connection of moulding frame of steering plate, the other end overhang, set up a plurality of groups on the steering plate and run through its front wall and the permeation groove of back wall. During operation, cooperation dispersion subassembly's setting can disperse transmission tube spun coating to both sides, and the while reserves some coating and still follow the center blowout, and the coating after the dispersion can turn to both sides, later carries out the guide of arc steering plate, can make the coating carry out centrifugal steering work, the kinetic energy when having guaranteed the coating export, cooperation a plurality of groups are sees through the setting of groove to and the setting that steering plate width is less than the width of moulding frame, let that part coating still can continue outwards to remove, later through the setting of slant groove, can let the coating of moulding frame tip also normally outwards spout, thereby realized the effect that the coating equallyd divide, further guaranteed the even spraying effect of spraying during operation coating.
The beneficial effects of the invention are as follows:
1. according to the ultra-light UHDC fireproof protective coating for the steel structure building, the rapid hardening sulphoaluminate cement is added into the raw materials, so that the integral strength of the cement is enhanced, the setting and hardening speed of the slurry is increased, the problem of mould collapse is avoided, the integral weight of the cement coating can be reduced by replacing the traditional large-particle framework structure with glass beads and broken stone, the spraying process is facilitated, the coating mould collapse accident is further prevented, meanwhile, a hollow layer is arranged in the cement by matching with the addition of the nano porous material, and the heat transfer speed is lower compared with that of the concrete because of the small molecular density of air, the heat preservation and heat insulation effects of the concrete are further improved, and the weight of the coating can be further reduced because the nano porous material is a light material.
2. According to the spraying device provided by the invention, the width of the spray nozzle can be adjusted at will, so that the device is suitable for steel in various shapes in the spraying process, and the waste and sputtering of raw materials in the spraying process are reduced, thereby greatly facilitating the spraying work.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an adjustment showerhead in an embodiment of the present invention;
FIG. 3 is a perspective view of a diverter plate in an embodiment of the invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a cross-sectional view of an impingement plate in an embodiment of the present invention;
in the figure: 1. a hopper; 2. a drive vehicle; 3. a transmission tube; 4. adjusting a spray head; 5. an operating handle; 6. shaping the frame; 7. an inclined groove; 8. a center frame; 9. a steering plate; 10. a permeation groove; 11. an impingement plate; 12. scattering holes; 13. a hydraulic telescopic rod; 15. a second spring; 17. a diagonal rod; 18. a push rod; 19. a chute; 21. a tooth clamping plate; 22. a gear lever; 23. a storage groove; 24. a turntable; 25. extruding the telescopic rod; 26. a first spring; 27. an inner groove; 28. a front plate; 29. a rear bump; 30. and a transfer pump.
Detailed Description
The objects, technical solutions and advantages of the present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited to the following examples, for the purpose of making the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operate in a specific orientation. Unless specifically stated or limited otherwise, the terms "mounted," "configured with," "connected," and the like, are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; 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 will be understood in specific cases by those of ordinary skill in the art. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention provides an ultra-light UHDC fireproof protective coating for steel structure buildings, which is formed by a coating sprayed by a spraying device, wherein the coating comprises the following raw materials in parts by weight:
through adding quick hardening sulphoaluminate cement in the raw materials, not only there is reinforcing cement holistic intensity, can also accelerate the thick liquids and set up the hardening rate, avoid collapsing the mould problem, replace traditional large granule skeleton texture through glass bead and rubble, can reduce the whole weight of cement coating, not only made things convenient for the spraying process, and further prevented the coating accident of collapsing the mould, the nano-porous material's of cooperation is added simultaneously, can let the inside hollow layer that exists of cement, further improve fire-resistant effect, and nano-porous material is light material, also can further reduce the weight of coating.
The invention also provides a spraying device which is used for spraying the ultra-light UHDC fireproof protective coating for the steel structure building. The spraying device comprises a driving vehicle 2, a transmission pump 30 is fixedly arranged at the top end of the driving vehicle 2, a charging hopper 1 is fixedly arranged on the driving vehicle and is positioned at the upper side of the transmission pump 30, the input end of the transmission pump 30 is connected with the outlet of the bottom of the charging hopper 1, the output end of the transmission pump 30 is connected with an adjusting spray head 4 through a transmission pipe 3, when the spraying device works, the driving vehicle 2 is utilized to move the device to a designated position, a coating raw material is placed into the charging hopper 1, the transmission pump 30 is started, the coating raw material is transmitted to the adjusting spray head 4 through the transmission pipe 3 to be ejected, so that the steel material can be sprayed, as the shape of the steel material in a building is different and wide and narrow, and components capable of being rapidly hardened are added in the coating, if the sprayed steel material is narrower in the spraying process, the common spray head is difficult to be aligned with the steel material accurately, the coating raw material is easy to be rapidly hardened, waste is caused, the subsequent treatment process is easy to be caused, the spraying of the coating raw material is easy to be splashed to be a complicated and the adjusting spray head 4 with the width is set, the spraying raw material can be suitable for various spraying shapes, the spraying raw material is greatly reduced, and the waste in the spraying process is greatly convenient.
The adjustment shower nozzle 4 includes center frame 8, the equal sliding connection of the left and right sides of center frame 8 has moulding frame 6, and every moulding frame 6 is made at the junction has the step face, and center frame 8 is made at every junction has the step face, and moulding frame 6 and the step face of center frame 8 are mutually adapted, can realize sliding fit. A plurality of groups of driving components are arranged between the shaping frame 6 and the center frame 8, and an equipartition component is arranged on the inner side of the shaping frame 6. When the spray head device works, when the width of the spray head 4 needs to be changed, the driving assembly is started, and the driving assembly can drive the molding frame 6 to horizontally move, so that the spray head 4 can be changed to obtain the width, the adjustable work of the spray area is realized, the setting of the equally dividing assembly is matched, the sprayed paint can adapt to the width of the spray head 4, the sprayed paint is ensured to be uniform, and the quality of the coating spraying is ensured. The design of the step surface can ensure that the connection part can be still closed when the molding frame 6 and the center frame 8 slide relatively, so that the paint is prevented from leaking.
The driving assembly comprises a hydraulic telescopic rod 13 (connected with a hydraulic station), one end of the hydraulic telescopic rod 13 is fixedly connected with the inner side of the center frame 8, the other end of the hydraulic telescopic rod 13 is fixedly connected with the shaping frame 6, an outwards-expanded inclined groove 7 is formed in the inner wall of the front side of the shaping frame 6, the inclined groove 7 is in an arc-shaped structure, an operating handle 5 is fixedly arranged at the top end of the center frame 8, and a control switch of the hydraulic telescopic rod 13 is arranged on the operating handle. During operation, the hydraulic telescopic rod 13 is started to extend and return through the operation handle 5, so that the molding frame 6 can be driven to horizontally move, the adjustment of spraying width is realized, meanwhile, the inclined groove 7 on the outer side of the molding frame 6 is matched, the sprayed coating can be smoothly turned at the end part of the molding frame 6, the damage to the flow velocity of the sprayed coating at the end part of the molding frame 6 is reduced, and the problem of uneven spraying is caused.
The one end in slant groove 7 is kept away from to moulding frame 6, and moulding frame 6's step face border department is sharp angle form setting promptly, the inboard of center frame 8 is provided with trigger assembly and hangs and remove the subassembly, during operation, when moulding frame 6 moves to the center, the closed angle setting of cooperation moulding frame 6 one end, can fully rub with the inboard of center frame 8, thereby can get rid of the coating of adhesion in center frame 8 inboard, reduce the problem that recovery in-process center frame 8 inboard was blocked by the coating, the setting of cooperation simultaneously is hung and is removed the subassembly, can more comprehensive get rid of the coating of adhesion, and trigger assembly's setting, can be at suitable time, let hang and remove the subassembly and work.
The hanging component comprises an extrusion telescopic rod 25, wherein the extrusion telescopic rod 25 is composed of a sleeve, a first spring 26 arranged in the sleeve, and a telescopic rod which is in sliding fit with the sleeve and is pressed by the first spring 26. The end of telescopic link and carousel 24 fixed connection, accomodate groove 23 has been seted up to one side of center frame 8, carousel 24 is located accomodate groove 23 inboard, and carousel 24 fixed mounting is in the one end of gear pole 22, gear pole 22 is connected with the inboard rotation of center frame 8, and the other end of gear pole 22 extends to the rear side of center frame 8. During operation, when the step face border of moulding frame 6 slides to the contact with center frame 8, can drive gear lever 22 anticlockwise rotation through triggering the subassembly, drive extrusion telescopic link 25 and outwards roll out from accomodating groove 23 to can let the tip of extrusion telescopic link 25 rub with moulding frame 6's tip, can get rid of moulding frame 6 outside and just hang the coating that removes, reduced the coating and solidify at moulding frame 6 tip, lead to moulding frame 6 unable return to the problem of putting in place, cooperate simultaneously and extrude first spring 26 in the telescopic link 25, can let the tip of extrusion telescopic link 25 contact moulding frame 6 all the time, guarantee its clean effect.
The triggering component comprises a mandril 18, a second spring 15 and a latch plate 21; the center frame 8 is provided with a mounting hole for slidably mounting the ejector rod 18, a second spring 15 is mounted between the ejector rod 18 and the bottom of the mounting hole, a chute 19 is formed in the middle of the ejector rod 18, the inner side of the chute 19 is slidably connected with a chute 17, the chute 17 is slidably connected with the center frame 8, the bottom end of the chute 17 is fixedly provided with a tooth clamping plate 21, and the lower end of a gear rod 22 is meshed with a gear fixed at the rear end of the tooth clamping plate 21 to realize transmission connection. During operation, along with the movement of the shaping frame 6 to the center, the ejector rod 18 is extruded to move inwards, the clamping toothed plate 21 can be driven to move upwards by matching with the transmission of the chute 19 and the inclined rod 17, meanwhile, the clamping toothed plate 21 and the gear rod 22 are matched to be connected by transmission, the gear rod 22 and the rotary table 24 can be driven to rotate anticlockwise, the triggering function is further realized, other operations are not needed, and the hanging effect can be completed only when the shaping frame 6 is close to the center frame 8, so that the operation process is simplified.
The equipartition subassembly includes steering plate 9, the transversal arc setting of personally submitting of steering plate 9, the one end of steering plate 9 and the inner wall fixed connection of moulding frame 6, steering plate 9 has seted up a plurality of groups and has run through its front wall and the permeation groove 10 of back wall, the inner chamber middle part of center frame 8 is provided with the dispersion subassembly. During operation, cooperation dispersion subassembly's setting can disperse transmission pipe 3 spun coating to both sides, and the while reserves some coating and still follow the center blowout, and the coating after the dispersion can turn to both sides, later carries out the guide of arc steering plate 9, can make the coating carry out centrifugal steering work, the kinetic energy when having guaranteed the coating export, cooperate a plurality of groups to see through the setting of groove 10 to and the setting that steering plate 9 width is less than the width of moulding frame 6, let that part coating still can continue outwards to remove, later through the setting of slant groove 7, can let the coating of moulding frame 6 tip also normally outwards spout, thereby realized the effect that the coating equallyd divide, further guaranteed the even spraying effect of spraying during operation coating.
The dispersion assembly comprises an impact plate 11, the impact plate 11 is positioned in the middle of the center frame 8, and the upper end and the lower end of the impact plate 11 are fixedly connected with the inner wall of the center frame 8. The striking plate 11 is provided with a plurality of groups of scattering holes 12 penetrating the front wall and the rear wall thereof. When the paint of the conveying pipe 3 collides with the impact plate 11 in operation, the paint can be scattered by the impact plate 11, and part of paint can be continuously sprayed forwards through the scattering holes 12, so that the paint dispersing function is realized, and the uniform spraying effect of the paint is ensured.
The impact plate 11 comprises a front plate 28 and a rear protruding block 29, the rear protruding block 29 is triangular pyramid or polygonal pyramid, each side wall of the rear protruding block 29 is in a concave arc shape, and inner grooves 27 are formed in the left side and the right side of the front plate 28. In operation, the shape of the rear projection 29 is matched, so that the dispersed paint can be smoothly turned, the power consumed during dispersion is reduced, the power during subsequent spraying is ensured to be enough, and the uniform spraying effect of the paint is further ensured.
When in work, the rapid hardening sulphoaluminate cement is added into the raw materials, so that the overall strength of the cement is enhanced, the setting and hardening speed of the slurry can be accelerated, the problem of die collapse is avoided, the glass beads and the broken stone replace the traditional large-particle framework structure, the overall weight of the cement coating can be reduced, the spraying process is convenient, the coating collapse accident is further prevented, meanwhile, the hollow layer is formed in the cement by adding the nano porous material, the fireproof effect is further improved, the nano porous material is a light material, and the weight of the coating can be further reduced; when the device works, the driving vehicle 2 is used for moving the device to a designated position, a coating raw material is placed in the charging hopper 1, the transmission pump 30 is started, the coating raw material is transmitted to the adjusting spray head 4 through the transmission pipe 3 to be ejected, so that the steel material can be sprayed, as the shape of the steel material in a building is different and has narrow width, and the rapidly-hardening component is added into the coating, if the sprayed steel material is narrower in the spraying process, the common spray head is difficult to align with the steel material accurately, the coating raw material is easy to splash to other places and harden rapidly, waste is caused, the subsequent processing process is easy to be complicated, the device can adapt to the steel materials in various shapes in the spraying process by arranging the adjusting spray head 4 capable of adjusting the width at will, the waste and sputtering of the raw material in the spraying process are reduced, and the spraying work is greatly facilitated; when the spray head device works, when the width of the spray head 4 needs to be changed, only the driving component is started, and the driving component can drive the molding frame 6 to horizontally move, so that the width of the spray head 4 can be changed, the adjustable work of the spray area is realized, and meanwhile, the setting of the equipartition component is matched, so that the sprayed paint can adapt to the width of the spray head 4, the sprayed paint is ensured to be uniform, and the spraying quality of the coating is ensured; when the spray coating machine works, the hydraulic telescopic rod 13 is started to extend and return through the operation handle 5, so that the plastic frame 6 can be driven to horizontally move, the spray coating width adjustment work is realized, meanwhile, the spray coating can be smoothly turned at the end part of the plastic frame 6 by matching with the arrangement of the inclined groove 7 at the outer side of the plastic frame 6, the damage to the flow velocity of the spray coating at the end part of the plastic frame 6 is reduced, and the problem of uneven spray coating is caused; when the molding frame 6 moves towards the center, the sharp angle at one end of the molding frame 6 is matched with the inside friction of the center frame 8, so that the coating adhered to the inner side of the center frame 8 can be removed, the problem that the inner side of the center frame 8 is blocked by the coating in the recovery process is reduced, meanwhile, the adhered coating can be removed more comprehensively by matching with the setting of the hanging component, the setting of the triggering component can be carried out in proper time, and the hanging component can work; when the molding frame 6 slides to be in contact with the center frame 8, the gear rod 22 is driven to rotate anticlockwise through the triggering component, and the extrusion telescopic rod 25 is driven to rotate outwards from the storage groove 23, so that the end part of the extrusion telescopic rod 25 and the end part of the molding frame 6 can be rubbed, a coating just hung outside the molding frame 6 can be removed, the problem that the coating is solidified at the end part of the molding frame 6, and the molding frame 6 cannot return to place is solved, and meanwhile, the end part of the extrusion telescopic rod 25 is always contacted with the molding frame 6 by matching with the first spring 26 in the extrusion telescopic rod 25, so that the cleaning effect of the molding frame 6 is ensured; when the molding frame 6 moves towards the center, the ejector rod 18 is extruded to move inwards, the clamping toothed plate 21 can be driven to move upwards by matching with the transmission of the chute 19 and the inclined rod 17, and meanwhile, the gear rod 22 and the rotary table 24 can be driven to rotate anticlockwise by matching with the transmission connection of the clamping toothed plate 21 and the gear rod 22, so that the triggering function is realized, other operations are not needed, the hanging effect can be finished only when the molding frame 6 is close to the center frame 8, and the operation process is simplified; during operation, the paint sprayed out of the transmission pipe 3 can be dispersed towards two sides by matching with the setting of the dispersing assembly, meanwhile, a part of paint is reserved to be sprayed out from the center, the dispersed paint can be turned towards two sides and then guided by the arc-shaped turning plate 9, so that the paint can be subjected to centrifugal turning operation, the kinetic energy during paint outlet is ensured, the arrangement of a plurality of groups of penetrating grooves 10 and the arrangement of the width of the turning plate 9 which is smaller than the width of the shaping frame 6 are matched, the part of paint can be continuously moved outwards, and then the paint at the end part of the shaping frame 6 can be sprayed outwards normally by the arrangement of the inclined groove 7, thereby realizing the effect of paint equipartition and further ensuring the uniform spraying effect of the paint during spraying operation; when the paint of the transmission pipe 3 impacts the impact plate 11 during operation, the paint is scattered by the impact plate 11, and part of the paint is continuously sprayed forwards through the scattering holes 12, so that the paint dispersing function is realized, and the uniform spraying effect of the paint is ensured; in operation, the shape of the rear projection 29 is matched, so that the dispersed paint can be smoothly turned, the power consumed during dispersion is reduced, the power during subsequent spraying is ensured to be enough, and the uniform spraying effect of the paint is further ensured.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
2. a spray coating device for spraying an ultra-lightweight UHDC fire-protection coating for steel construction building according to claim 1, characterized in that: the spraying device comprises a driving vehicle (2), a transmission pump (30) fixedly installed on the driving vehicle (2), and a feeding hopper (1) fixedly installed on the driving vehicle and located on the upper side of the transmission pump (30), wherein the input end of the transmission pump (30) is connected with an outlet at the bottom of the feeding hopper (1), and the output end of the transmission pump (30) is connected with an adjusting spray head (4) through a transmission pipe (3).
3. A spraying device as claimed in claim 2, in which: the adjusting spray head (4) comprises a center frame (8), two shaping frames (6) which are connected to the left side and the right side of the center frame (8) in a sliding mode, a dispersing assembly arranged in the middle of an inner cavity of the center frame (8), and two equally dividing assemblies arranged on two sides of the dispersing assembly, wherein the connecting part of each shaping frame (6) and the center frame (8) is in sliding fit with a step surface, and at least one driving assembly is arranged.
4. A spray device according to claim 3, wherein: the driving assembly comprises a hydraulic telescopic rod (13), one end of the hydraulic telescopic rod (13) is connected with the inner side of the center frame (8), the other end of the hydraulic telescopic rod is connected with the shaping frame (6), and when the hydraulic telescopic rod (13) stretches, the shaping frame (6) is driven to slide relative to the center frame (8) in the left-right direction.
5. A spray device as claimed in claim 4, wherein: the top of the center frame (8) is fixedly provided with an operating handle (5), the inner wall of the front side of the shaping frame (6) is provided with an outwards-expanded inclined groove (7), and the inclined groove (7) is arc-shaped.
6. A spray device as claimed in claim 5, wherein: a hanging component is arranged at the joint of the center frame (8) and the shaping frame (6); the hanging component comprises a storage groove (23) formed in the center frame (8), sharp corners arranged at the edges of the step surfaces of the shaping frame (6), and an extrusion telescopic rod (25), a gear rod (22) and a rotary table (24) which are arranged in the storage groove; the extrusion telescopic rod (25) consists of a sleeve, a first spring (26) arranged in the sleeve, and a telescopic rod which is in sliding fit with the sleeve and is pressed by the first spring (26), wherein the sleeve extends towards one side of the molding frame (6), the end part of the telescopic rod is fixedly connected with the rotary disc (24), the rotary disc (24) is fixedly arranged at one end of the gear rod (22), and the other end of the gear rod (22) extends towards the rear side of the center frame (8).
7. A spray device as claimed in claim 6, wherein: a triggering component is arranged at the joint of the center frame (8) and the shaping frame (6), and comprises a push rod (18), a second spring (15) and a latch plate (21); the center frame (8) is provided with a mounting hole for slidably mounting the ejector rod (18), a second spring (15) is mounted between the ejector rod (18) and the bottom of the mounting hole, a chute (19) is formed in the middle of the ejector rod (18), a diagonal rod (17) is slidably matched in the chute (19), the bottom end of the diagonal rod (17) is connected with the upper end of a latch plate (21), and the lower end of the latch plate (21) extends downwards and is meshed with a gear fixed at the rear end of a gear rod (22) to realize transmission.
8. A spray device according to claim 3, wherein: the utility model discloses a shaping frame, including equipartition subassembly, including steering plate (9), the transversal arc of steering plate (9) is personally submitted, the inner wall fixed connection of one end and shaping frame (6) of steering plate (9), the other end overhang, a plurality of groups of permeation groove (10) of running through its front wall and back wall have been seted up on steering plate (9).
9. A spray device as claimed in claim 8, wherein: the dispersing assembly comprises an impact plate (11), the impact plate (11) is located in the middle of the center frame (8), the impact plate (11) is fixedly connected with the inner walls of the upper side and the lower side of the center frame (8), and a plurality of groups of scattering holes (12) penetrating through the front wall and the rear wall of the impact plate (11) are formed in the impact plate (11).
10. A spraying device as claimed in claim 9, in which: the impact plate (11) comprises a front plate (28) and rear protruding blocks (29), the rear protruding blocks (29) are triangular pyramids or polygonal pyramids, each side wall of each rear protruding block (29) is of an inward concave arc shape, and inner grooves (27) are formed in the left side and the right side of the front plate (28).
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CN106927855A (en) * | 2017-02-27 | 2017-07-07 | 广西吉顺能源科技有限公司 | Thermal insulation waterproof board |
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CN115611597A (en) * | 2022-10-26 | 2023-01-17 | 太原理工大学 | Spraying material, preparation method thereof and spraying method in roadway |
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US6458423B1 (en) * | 1999-08-03 | 2002-10-01 | David M. Goodson | Sprayable phosphate cementitious coatings and a method and apparatus for the production thereof |
CN101863640A (en) * | 2009-04-15 | 2010-10-20 | 中国京冶工程技术有限公司 | Environment-friendly colored fire-proof coating for tunnels |
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