CN104084331B - The fireproof coating spraying equipment of two component high pressure proportion adjustable and method - Google Patents
The fireproof coating spraying equipment of two component high pressure proportion adjustable and method Download PDFInfo
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- CN104084331B CN104084331B CN201410364983.7A CN201410364983A CN104084331B CN 104084331 B CN104084331 B CN 104084331B CN 201410364983 A CN201410364983 A CN 201410364983A CN 104084331 B CN104084331 B CN 104084331B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 392
- 238000005507 spraying Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title abstract description 9
- 239000003973 paint Substances 0.000 claims abstract description 184
- 238000010438 heat treatment Methods 0.000 claims abstract description 78
- 239000007921 spray Substances 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000013461 design Methods 0.000 claims abstract description 19
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- 230000002000 scavenging effect Effects 0.000 claims description 15
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- 239000008236 heating water Substances 0.000 claims description 8
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- 238000003756 stirring Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000008199 coating composition Substances 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 5
- 238000005086 pumping Methods 0.000 description 5
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/16—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
- B05B7/1673—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed heat being transferred to the material to be sprayed by a heat transfer conductive fluid
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Abstract
The invention provides fireproof coating spraying equipment and the method for a kind of pair of component high pressure proportion adjustable, equipment comprises controlling organization, main air feed pump, feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism; Controlling organization is digital electronic controller, and main air feed pump input is connected with external gas source and output and feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism are connected by air transformer; The switch of main air feed pump is connected with digital electronic controller primary air switch; Spraying method comprises: in A, B component paint can, add A, B component coating; A, B component coating and coating pipe are heated; When A, B component coating reach design temperature, adjustment A, B component coating formula carry out ratio test; A, B component coating mix through far-end blender; To A, B component coating that compo Guan Zhongjia mixes; Spraying; Equipment cleaning after spraying; Shutdown; Spray efficiency is high, and coating quality is good.
Description
Technical field
The present invention relates to fireproof coating spraying equipment and the method for a kind of pair of component high pressure proportion adjustable.
Background technology
Current all multi-brand fireproof coatings (Chartek.Chartek1709.FiretexM90.Pitt-charXP etc.) are in the extensive use of ocean engineering field, and spraying equipment demand is on the increase.Because fireproof coating has the larger characteristic of viscosity, material construction temperature needs to remain on 50 to 60 DEG C, therefore higher to construction equipment performance requirement, and spraying method is also comparatively complicated.The spraying equipment Problems existing of current this kind of coating has: 1, the circulation of equipment paint heating is completed by proportioning plunger displacement pump, such aggravation proportioning plunger displacement pump wearing and tearing, thus change proportioning plunger pump cylinder body volume, coating easy to leak, distributing precision error is strengthened, shorten service life of equipment, and increase fittings consumption cost.2, coating pipeline heat insulation adopts hot water form, but only mixing pumping is taken to this section of blender the measure of heating, and without any the measure of heating between A, B charging basket to mixing pumping, like this when second time works, A, B material from A, B charging basket to mixing pumping fails to obtain good heating and thermal insulation, system can be caused just to have worked and to start the mixing uneven phenomenon of a period of time, cause unnecessary paint waste and product quality problem.In addition, system heat-insulating property and efficiency low, before spraying, coating only uses hot water heating, and coating reaches predetermined temperature needs in advance preheating for a long time, and energy consumption is high, and execute-in-place is inconvenient.3, coating formula main pump is fixed volume ratio (2.33:1), and coating ratio narrow application range can not adapt to the ratio of current engineering fireproof coating kind used completely.In addition, spray pressure low (52:1), the coating that therefore spray viscosity is relatively large can be very painstaking, so bad adaptability.4, need the time storing preheating in air-conditioning insulated container case oversize (about 24 hours) before fireproof coating construction, temperature too high (30 to 33 DEG C), efficiency is low, and energy consumption is high.Therefore, improvement of still needing.
Summary of the invention
Main purpose of the present invention is the above-mentioned shortcoming overcoming existing product existence, and fireproof coating spraying equipment and the method for a kind of pair of component high pressure proportion adjustable are provided, the coating ratio scope of application is wide, can adapt to the ratio of current engineering fireproof coating kind used, coating atomizing effect is good, spray efficiency is high, and coating quality is good, time-saving energy-saving, simple to operate, can meet the spraying operation of all pairs of component fireproof coatings, device structure is reasonable in design, and result of use is desirable.
The object of the invention is to be realized by following technical scheme.
The fireproof coating spraying equipment of the two component high pressure proportion adjustable of the present invention, is characterized in that, comprise controlling organization, main air feed pump, feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism; This controlling organization is digital electronic controller; The input of this main air feed pump is connected with external gas source, and main air feed delivery side of pump is connected respectively by air transformer with feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism; The switch of main air feed pump is connected with the primary air switch of digital electronic controller.
The fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, described feeding mechanism comprises component A coating feeding pump, B component coating feeding pump, component A paint can, B component paint can, component A coating bulk supply pump and B component coating bulk supply pump;
The delivery outlet of this component A feeding pump is connected with one end of the first high pressure heat-preserving flexible pipe, this the first high pressure heat-preserving flexible pipe other end is connected with the valve at component A paint can charging aperture place, the input port of component A feeding pump is connected with the siphon pipe dish being arranged in component A paint can, sucks coating by siphon pipe dish in component A feeding pump; Component A coating bulk supply pump charging aperture is connected with component A charging basket discharging opening by siphon pipe, component A coating bulk supply pump discharging opening is connected with the component A coating proportioning valve of proportioning machine, and component A coating bulk supply pump plunger side is provided with electromagnetic inductor, this electromagnetic inductor is connected with the component A coating proportioning valve of proportioning machine, and the discharge outlet of this proportioning valve is provided with stop valve and sample valve;
The delivery outlet of this B component feeding pump is connected with one end of the second high pressure heat-preserving flexible pipe, this the second high pressure heat-preserving flexible pipe other end is connected with the valve at B component paint can charging aperture place, the input port of B component feeding pump is connected with the siphon pipe dish being arranged in B component paint can, sucks coating by siphon pipe dish in B component feeding pump; B component coating bulk supply pump charging aperture is connected with B component charging basket discharging opening by siphon pipe, B component coating bulk supply pump discharging opening is connected with the B component coating proportioning valve of proportioning machine, and B component coating bulk supply pump plunger side is provided with electromagnetic inductor, this electromagnetic inductor is connected with the B component coating proportioning valve of proportioning machine, and the discharge outlet of this proportioning valve is provided with stop valve and sample valve;
This component A paint can bucket wall is the hollow insulation layer that double-decker is formed, and be provided with electrical heating coil pipe, temperature sensor and agitator in this component A paint can, and component A paint can is provided with air transformer, this air transformer is connected with main air feed pump output; This agitator is agitator air, and its air shut-off valve door is located at component A paint can top and is connected with main air feed pump output;
This B component paint can bucket wall is the hollow insulation layer that double-decker is formed, and be provided with electrical heating coil pipe, temperature sensor and agitator in this B component paint can, and B component paint can is provided with air transformer, this air transformer is connected with main air feed pump output; This agitator is agitator air, and its air shut-off valve door is located at B component paint can top and is connected with main air feed pump output.
The fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, described heating arrangements comprises water tank, paint can hot water circulating pump, coating pipe hot water circulating pump, spray gun coating pipe hot water circulating pump, the first electric heater and the second electric heater;
Wherein, be provided with electrical heating coil pipe and temperature sensor in water tank, this temperature sensor is connected with digital electronic controller and water tank electrical heating coil pipe respectively, and this electrical heating coil pipe is connected with the first electric heater; Second electric heater is provided with temperature sensor, this temperature sensor is connected with digital electronic controller, component A paint can electrical heating coil pipe and B component paint can electrical heating coil pipe respectively, and the coating in A, B component paint can is directly heated respectively by electrical heating coil pipe; The outlet of this water tank is connected by valve respectively by the input of heat-preserving hose with paint can hot water circulating pump, coating pipe hot water circulating pump, spray gun coating pipe hot water circulating pump;
The input of this paint can hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, paint can hot water circuit delivery side of pump is provided with two-port valve, two through holes of this two-port valve are connected respectively by the import of heat-preserving hose with component A paint can and B component paint can hollow insulation layer, by bucket wall heat transfer, coating is heated, component A paint can is connected by attemperater with the backwater import of water tank respectively with the outlet of the hollow insulation layer of B component paint can, to form a hot water circulation loop;
The input of this coating pipe hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, this coating pipe hot water circuit delivery side of pump is provided with two-port valve, together with two through holes of this two-port valve to close up with the discharge nozzle of B component paint can respectively by the discharge nozzle of flexible pipe and component A paint can and the reflexing end of 180 degree and water container backwater import are connected to form hot water circulation loop, supply component A coating pipe and B component coating pipe to guarantor's mild heat of proportioning machine proportioning valve section, make the coating of this section two coating pipes maintain design temperature;
The input of this spray gun coating pipe hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, the flexible pipe that this spray gun coating pipe hot water circuit delivery side of pump connects is together with closing up from component A coating proportioning valve component A coating pipe out with B component coating proportioning valve B component coating pipe and the reflexing end of 180 degree and water container backwater import are connected to form hot water circulation loop, for the proportioning component A coating pipe of machine proportioning valve to far-end blender section and guarantor's mild heat of B component coating pipe, the coating of this section two coating pipes is made to maintain design temperature.
The startup of heating water tanks system: open total power switch, then water tank heating power supply switch is opened, first electric heater starts, be arranged on temperature sensor in water tank by the Signal transmissions that measures to the water tank temp controlled meter of digital electronic controller, if the temperature that temperature sets lower than temp controlled meter, this first electric heater then can start automatically, to electrical heating coil pipe heating in water tank, when the temperature of water in water tank is higher than design temperature, the first electric heater quits work automatically.
The startup of paint heating: when the water temperature in water tank reaches setting value, open the paint can heat hot water valve of water tank water outlet, the air transformer of adjusting coating bucket hot water circulating pump simultaneously, paint can hot water circuit pump startup, hot water is circulated to respectively in A, B component paint can hollow insulation layer, indirectly A, B component coating are heated through heat exchange, then pass through the delivery port reflow tank of A, B component paint can, recycle.The temperature sensor senses arranged respectively in component A paint can and B component paint can to coating material temperature reach settings time, information feed back is returned digital electronic controller by temperature sensor, paint can hot water circulating pump quits work, hot water circuit stops, when the coating material temperature that temperature sensor senses arrives is lower than setting value, paint can hot water circulating pump is started working, and hot water circuit is started working;
The startup of paint can internal electrical heating system: when coating material temperature reaches more than 30 DEG C, open the second electric heater, second electric heater, to the electrical heating coil pipe heating in two paint cans, is directly heated coating by electric heating plate, accelerates the firing rate of coating; Second electric heater self is with temperature setting knobs and temperature sensor, and when temperature is lower than setting value, heater can be started working automatically, otherwise then stops.
This first electric heater and the second electric heater are commercially available prod, and model is GRACO-226819.
The fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, is characterized in that, described Proportioning mechanism comprises electronics proportioning machine, component A coating feeding pump and B component coating feeding pump; This electronics proportioning machine is commercially available prod, model is GRACO68-A1 electronics proportioning machine, and electromagnetic inductor, the ratio configuration switch of digital electronic controller and the discharge valve of component A paint can that the component A coating proportioning valve of this electronics proportioning machine is other with component A coating bulk supply pump plunger are respectively connected; The B component coating proportioning valve of this electronics proportioning machine and electromagnetic inductor other with B component coating bulk supply pump plunger respectively and the ratio configuration switch of digital electronic controller and the discharge valve of B component paint can are connected.
Heating arrangements by paint heating to duty time, component A coating ratio and B component coating ratio is set respectively by the ratio configuration switch of digital electronic controller, component A coating feeding pump and B component coating feeding pump are started working, in the component A coating proportioning valve that component A coating and B component coating are extracted into proportioning machine respectively from component A paint can and B component paint can and B component coating proportioning valve, the setting ratio of the proportioning valve combine digital electronic controller ratio configuration switch of proportioning machine is also started working, feeding component A coating feed pipe is distributed according to setting proportional flow by component A coating and B component coating, enter after B component coating feed pipe in far-end blender, component A coating proportioning valve and B component coating proportioning valve basis and component A coating bulk supply pump respectively simultaneously, whether the electromagnetic inductor connection feedack by B component coating bulk supply pump plunger revises duty correct, if when component A coating feeding pump and B component coating feeding pump draw the ratio of component A coating and B component coating and setting inconsistent, proportioning valve then can send alarm signal to digital electronic controller by feedback information, stop feed, otherwise, then normally work.
The fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, described spray body comprises component A coating feed pipe, B component coating feed pipe, far-end blender, blending transportation material pipe and spray gun;
The component A coating charging aperture that this far-end blender is provided with is connected with component A coating feed pipe one end, and the B component coating charging aperture be provided with is connected with B component coating feed pipe one end, and the discharging opening that far-end blender is provided with is connected with blending transportation material pipe one end;
The component A proportioning valve discharging opening of proportioning machine is connected with the component A coating feed pipe other end, B component proportioning valve discharging opening is connected with the other end of B component coating feed pipe, the built-in helical form mixing tube carrying out mixing for component A coating and B component coating in this far-end blender, the discharging opening of this far-end blender is connected with spray gun by the other end of blending transportation material pipe, two kinds of component coating fully mix merga pass blending transportation material pipe and enter spray gun under air pressure effect in far-end blender, complete spraying operation;
Component A coating feed pipe and B component coating feed pipe tube wall are wrapped up in deposited outward by insulation material;
Described wiper mechanism comprises water tank, scavenging pump and spray gun; Scavenging pump input is provided with air transformer, this air transformer is connected with the cleaning hot water valve of main air feed pump output and water tank, scavenging pump output is connected by the hot water input of heat-preserving hose with far-end blender, the output end of hot water of far-end blender is connected with spray gun by blending transportation material pipe, and the hot water after cleaning is discharged into Sewage treatment bucket from spray gun.
After spraying operation terminates, close the component A coating feed pipe that far-end blender connects, the control valve of B component coating feed pipe, open the compound cleaning valve on far-end blender and the hot water cleaning valve on water tank, pull spray gun trigger, adjust scavenging pump air transformer simultaneously, start scavenging pump, scavenging pump directly extracts hot water to far-end blender from water tank, compo pipe and spray gun clean, when the water of spray gun ejection is limpid, then clean up, close air transformer, continue to pull spray gun trigger pressure release, when no longer flowing out water, close the compound cleaning valve on far-end blender, washing and cleaning operation terminates.
The spraying method of the fireproof coating spraying equipment of the two component high pressure proportion adjustable of the present invention, is characterized in that, comprise the following steps:
(1) in component A paint can, add component A coating, in B component paint can, add B component coating;
(2) start heating system to heat the B component coating added in the component A coating added in component A paint can and B component paint can respectively;
(3) when component A coating and B component coating reach design temperature, stop the heating to paint can, start heating system to component A paint can discharge nozzle and the heating of B component paint can discharge nozzle, the coating controlled through two discharge nozzles maintains design temperature;
(4) open proportioning machine, the ratio of adjustment component A coating and B component coating, carry out the ratio test of component A coating and B component coating;
(5) component A coating and the B component coating of adjusting ratio enter far-end blender through component A coating feed pipe and B component coating feed pipe respectively under keeping warm mode, fully mix in the helical form mixing tube that far-end blender is built-in, become the coating that even density is stable;
(6) connect paint finishing, in the compo pipe of paint finishing, add the component A coating and B component coating that mix;
(7) open spray gun, spray;
(8) spraying operation terminates, the equipment cleaning after spraying;
(9) shut down.
The spraying method of the fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, in described (2) step, hot water circuit indirect coating is comprised to the heating steps adding coating in component A paint can and B component paint can and electrical heating coil pipe directly heats coating; Indirect coating is by the water in the first electric heater heating water tank, when water temperature in water tank is higher than component A coating and B component coating design temperature, the valve opening water outlet of water tank and the paint heating circulating pump be connected with the hot water valve of component A paint can and B component paint can respectively, the hot water in water tank is made to enter the hollow insulation layer of component A paint can and B component paint can respectively, by the hot water circuit indirect coating of hollow insulation layer; It is unlatching second electric heater that electrical heating coil pipe directly heats coating, the electrical heating coil pipe being arranged on component A paint can and B component paint can internal layer is heated respectively by the second electric heater, directly coating is heated by electrical heating coil pipe, the agitator air opened in heating process on component A paint can and B component paint can carries out the stirring in heating process, plays the effect of uniform coating and uniform temperature.
The spraying method of the fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, before described coating design temperature comprises spraying, component A coating and B component coating material temperature are set as 30 to 40 DEG C, temperature retention time 20 to 24 hours, temperature when spraying after component A coating and the mixing of B component coating controls at 50 to 60 DEG C.
The spraying method of the fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, the ratio of described proportioning machine be two kinds of component coatings volume mixing ratios at 0.1:1 to 10:1, distributing precision error is less than ± 5%.
The spraying method of the fireproof coating spraying equipment of aforesaid pair of component high pressure proportion adjustable, wherein, the equipment cleaning after described spraying comprises, pressure release, the cleaning of component A coating pipe, the cleaning of B component coating pipe, the cleaning of compo pipe and heating water tank draining.
The two fireproof coating spraying equipment of component high pressure proportion adjustable of the present invention and the beneficial effect of method, this spraying method can control component A coating and B component coating two kinds of coatings volume mixing ratios scope at 0.1:1 to 10:1, and distributing precision error is less than ± and 5%; Operating pressure ratio is 68:1bar, and maximum working pressure (MWP) is 470bar, and make coating atomizing effect better, spray efficiency is high, coating quality is good, saves the paint heating time, applied widely, can meet the spraying operation of all pairs of component fireproof coatings, device structure is reasonable in design, and result of use is desirable.
Accompanying drawing explanation
Fig. 1 is the fireproof coating spraying equipment overall structure schematic diagram of of the present invention pair of component high pressure proportion adjustable.
Fig. 2 is feeding pump in the fireproof coating spraying equipment of of the present invention pair of component high pressure proportion adjustable, proportioning machine, heater and scavenging pump part-structure schematic diagram.
Fig. 3 is the fireproof coating spraying equipment fundamental diagram of of the present invention pair of component high pressure proportion adjustable.
Major label description in figure: 1 digital electronic controller, 2 is component A coating feeding pump, 21 first high pressure heat-preserving flexible pipes, 3 is B component coating feeding pump, 31 second high pressure heat-preserving flexible pipes, 4 is component A paint can, 5 is B component paint can, 6 main air feed pumps, 61 air transformers, 7 water tanks, 71 paint can hot water circulating pumps, 72 coating pipe hot water circulating pumps, 73 spray gun coating pipe hot water circulating pumps, 74 first electric heaters, 75 second electric heaters, 81 is component A coating pipe, 82 is B component coating pipe, 83 far-end blenders, 84 blending transportation material pipes, 85 spray guns, 9 proportioning machines, 10 scavenging pumps, 11 is component A coating bulk supply pump, 12 is B component coating bulk supply pump.
Detailed description of the invention
Embodiment:
One, device start: before operation, first connects device power supply (DPS) (220V) and source of the gas (0.7MPa, flow>=5m
3/ min).
Two, paint can material loading:
Respectively component A coating feeding pump 2 is connected with main air feed pump 6 output by air hose with the air transformer on B component coating feeding pump 3, open the primary air switch of component A coating feeding pump 2 and B component coating feeding pump 3, regulate air regulator, increase air pressure gradually, the hydraulic cylinder of two component coating feeding pumps respectively by the jacking of two kinds of component coating siphon pipe dishes to peak, by barreled component A coating, B component coating is placed on below respective coating siphon pipe dish respectively, air transformer is regulated to be connected and charging with the output of component A coating feeding pump 2 by the first high pressure heat-preserving flexible pipe 21 by the charging aperture of component A paint can 4, equally the charging aperture of B component paint can 5 is connected and charging with the output of B component coating feeding pump 3 by the second high pressure heat-preserving flexible pipe 31, close component A coating feeding pump 2 and B component coating feeding pump 3 primary air switch, paint can feeding process terminates.
Three, start heating arrangements: after adding coating all respectively in component A paint can and B component paint can, start heating arrangements.
1, the startup of heating water tanks, open total power switch, then the heating power supply switch of water tank 7 is opened, first electric heater 74 starts, the electrical heating coil pipe of the first electric heater starts to heat the water in water tank, temperature sensor in water tank by the Signal transmissions that measures to the water tank temp controlled meter of digital electronic controller 1, if the temperature that temperature sets lower than temp controlled meter, this first electric heater 74 can start automatically, water heating in feed-tank, when temperature quits work automatically higher than the first electric heater during design temperature.
2, the startup of paint heating: when the water temperature in water tank 7 reaches setting value, open the paint can heat hot water valve of water tank water outlet, the air transformer 61 of adjusting coating bucket hot water circulating pump 71 simultaneously, Stress control is between 0.15MPa-0.25MPa (1.5bar-2.5bar), paint can hot water circuit pump startup, hot water is circulated to respectively in the hollow insulation layer of component A paint can 4 and B component paint can 5, indirectly component A coating and B component coating are heated through heat exchange, hot water is respectively by the delivery port reflow tank 7 of component A paint can and B component paint can, recycle.The temperature sensor senses arranged inside component A paint can 4 and B component paint can 5 to coating material temperature reach settings time, information feed back is returned digital electronic controller 1 by temperature sensor, paint can hot water circulating pump quits work, hot water circuit stops, when the coating material temperature that temperature sensor senses arrives is lower than setting value, paint can hot water circulating pump 71 is started working, and hot water circuit is started working;
3, the startup of paint can internal electrical heating arrangements: when coating material temperature reaches more than 30 DEG C, open the second electric heater 75, the component A paint can 4 be connected with the second electric heater 75 respectively and the interior electrical heating coil pipe arranged of B component paint can 5 directly heat coating, accelerate the firing rate of coating.Second electric heater self is with temperature setting knobs and temperature sensor, and when temperature is lower than setting value, the second electric heater can be started working automatically, otherwise then stops.
4, start the heating of coating pipe: the air transformer of adjustment coating pipe hot water circulating pump 72, coating pipe hot water circulating pump air transformer pressure value is made to control between 0.1MPa-0.2MPa (1bar-2bar), together with hot water starts to close up from the flexible pipe of coating pipe hot water circuit delivery side of pump and the discharge nozzle of component A paint can 4 with the discharge nozzle of B component paint can 5 and the reflexing end of 180 degree and water container backwater import are connected to form hot water circulation loop, for component A coating pipe and the B component coating pipe guarantor's mild heat to proportioning machine proportioning valve section, the coating of this section two coating pipes is made to maintain design temperature.
Four, proportioning machine operation: the primary air switch opening electronics proportioning machine 9, is connected other with component A coating bulk supply pump 11 plunger respectively for the component A electromagnetic proportional valve of electronics proportioning machine 9 electromagnetic inductor, the ratio configuration switch of digital electronic controller 1 and the discharge valve of component A paint can 4, the electromagnetic inductor other with B component coating bulk supply pump 12 plunger respectively by the B component electromagnetic proportional valve of electronics proportioning machine 9 and the ratio configuration switch of digital electronic controller 1 and the discharge valve of B component paint can 5 are connected, when paint heating is to duty, the ratio of component A coating and B component coating is set by the ratio configuration switch of digital electronic controller 1, component A coating bulk supply pump 11 and B component coating bulk supply pump 12 are started working, component A coating and B component coating are extracted in component A coating proportioning valve and B component coating proportioning valve respectively from component A paint can and B component paint can, proportioning valve performs setting ratio and starts working, component A coating is delivered in far-end blender 83 according to setting proportional flow by the component A coating pipe 81 of insulation, B component coating is delivered in far-end blender 83 according to setting proportional flow by the B component coating pipe 82 of insulation, simultaneously component A coating proportioning valve and B component coating proportioning valve are connected feedack according to the electromagnetic inductor other with component A coating bulk supply pump plunger and the other electromagnetic inductor of B component coating bulk supply pump plunger respectively whether revise duty correct, if component A coating bulk supply pump and B component coating bulk supply pump draw respectively the ratio of component A coating and B component coating and setting ratio inconsistent time, proportioning valve then can feedback information to the alarm of digital electronic controller, send alarm signal, and stop feed, otherwise, then normally work.
Five, the ratio test of coating: carry out ratio test when running first and need to check that whether the discharging ratio of component A paint can and component A paint can is correct.
Getting two clean 1000cc containers is placed on below the sample valve of component A paint can and the sample valve of B component paint can respectively, open component A coating proportioning valve and B component coating proportioning valve simultaneously, component A coating and B component flow into container according to setting ratio with different in flow rate, close sample valve in any one same time simultaneously, by the weight of coating in calculating two containers of weighing, if do not meet proportion requirement, then carry out ratio adjustment, till reaching dual-component coating ratio requirement.
Six, spray gun coating pipe fills material and spraying: open the component A coating proportioning valve discharging opening of proportioning machine 9 and the component A coating charging aperture of far-end blender, distally add component A coating in blender; Open the B component proportioning valve discharging opening of proportioning machine 9 and the B component coating charging aperture of far-end blender equally, distally add B component coating in blender; Then mixed component A coating and B component coating by helical form mixing tube built-in in this far-end blender, mixed dual-component coating enters spray gun 85 by the discharging opening of far-end blender by blending transportation material pipe 84, carries out spraying operation.
Seven, pressure release: shut spray gun 85 and primary air switch, closes component A paint can coating discharging opening valve, and closes B component paint can coating discharging opening valve, then open spray gun, by spray gun on the trash receptacle of ground connection, pull spray gun trigger, by earth pressure release.Get under trash receptacle is placed on component A paint can and B component paint can sample valve, open sample valve release component A coating feeding pump, pressure between B component coating feeding pump and proportioning machine proportioning valve.
Eight, mix tube is cleaned: the inlet control valve of component A coating pipe and the inlet control valve of B component coating pipe of closing the connection of far-end blender 83, open the compound cleaning valve on far-end blender 83 and water tank cleaning hot water valve, pull spray gun trigger, adjustment scavenging pump air transformer, start scavenging pump 10, scavenging pump directly extracts hot water in heating water tank and cleans far-end blender and mixed coating pipe and spray gun, prove to clean up when spray gun ejection clean water, close scavenging pump air transformer, continue to pull the pressure release of spray gun 85 trigger simultaneously, when spray gun 85 no longer there are flowing out, close the compound cleaning valve on far-end blender, compound cleaning terminates.
Nine, component A coating feeding pump, B component coating feeding pump, component A coating pipe, B component coating pipe and spray gun cleaning: discharge valve and the circulating-heating valve of closing component A paint can and B component paint can, open discharging opening valve and charging aperture valve, get two empty buckets, go out to put two barrels of hot water from heating water tank delivery port, be put into below component A coating feeding pump and B component coating feeding pump respectively, siphon pipe dish is fallen into respectively in component A paint can and B component paint can, operate according to component A coating and B component coating material material loading step, hot water is sucked in component A paint can and B component paint can respectively through component A coating feeding pump and B component coating feeding pump, open component A coating bulk supply pump 11, B component coating bulk supply pump 12, the hot water of component A paint can and B component paint can is entered coating pipe through respective proportioning valve respectively, then spray gun is opened, hot water flows through far-end blender, remaining coating in far-end blender is all cleaned up, repetitive process, till wash clean.
Ten, tank drains: open water tank 7 draining valve, the water in water tank is bled off.After water in water tank is emptying, do not close water tank drain valve, open component A paint can hollow insulation layer draining valve and B component paint can heat-insulation layer draining valve discharges water, after water emptying, start paint can hot water circulating pump 71, the water in this paint can hot water circulating pump 71 and connected circulating water line is all discharged.Start spray gun coating pipe hot water circulating pump, case lid of fetching boiling water is observed, and after the not water outlet of discovery water return outlet, proves that circulating water line is emptying, closes spray gun coating pipe hot water circulating pump.
The advantage of the fireproof coating spraying equipment of the two component high pressure proportion adjustable of the present invention: (1) overall structure integraty designs, and rational deployment, all parts are installed on a moveable carriage, are convenient to mobile operating and maintenance.(2) be provided with 0.1:1 to 10:1 bi-component device capable of adjusting ratio machine, overcome the nonadjustable defect of existing equipment ratio, the spraying of various different viscosity and different proportion coating can be suitable for.By pumping, A, B component coating are come up from paint can exit through A, the suction of B component coating pipe and deliver in respective proportioning valve after pressurizeing respectively, according to the electromagnetic inductor on A, B component coating material loading pumping plunger side, feedack, the flow of A, B component coating is accurately adjusted by digital electronic controller process feedback information, the A be assigned with, B component coating are transported in the far-end blender near spray gun through respective paint delivery tube and mix, and spray gun delivered to by mixed coating.(3) adopt independent heating heat preservation mechanism, improve firing rate and the efficiency of heating surface, energy-conserving and environment-protective.Paint can inside courtyard adopts self-loopa mode of heating, and the speed of coating initial heating is effectively promoted, and reduces the construction stand-by period.Coating material temperature is by the temperature sensor output signal in paint can, and the break-make of control heater power supply and the start-stop of circulating pump after temp controlled meter Received signal strength, coating material temperature is controlled well.A, B component paint can all adopt circulating water heat insulation to heat to blending transportation material pipe and to far-end blender, guarantee to mix front coating material temperature, and the phenomenon that when preventing from just starting working, coating mixing is uneven, saves coating, improve the quality of products.(4) be provided with automatic hot-water wiper mechanism, Appropriate application insulation hot water carries out equipment cleaning, and simple to operate, cleaning performance is desirable, decreasing pollution.(5) main air feed pump is provided with, this main air feed pump output respectively with component A paint can, being connected by air transformer 61 of B component paint can, whole bowl interior is made to there is high pressure, paint-flow can be made better by this pressure, and main air feed pump output also respectively with A, B component coating feeding pump is connected by air transformer 61, make A, B component coating is from A, the A that proportioning machine delivered to by coating is drawn in B component paint can, in B component coating proportioning valve, by adjustment air transformer during charging, coating addition can be judged in advance and observe coating residue situation in paint can simultaneously, supplement reinforced at any time.(6) adopt independent paint heating endless form, namely each paint can is respectively equipped with electrical heating coil pipe and is connected with the first electric heater, directly can heat the coating in each paint can; And the hollow insulation layer of each paint can is connected with paint can hot water circulating pump respectively, paint can hot water circuit pump startup, is circulated in the hollow insulation layer of each point of paint can respectively by hot water, indirectly coating is heated through heat exchange, make paint heating speed fast, time-saving energy-saving.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (9)
1. a fireproof coating spraying equipment for two component high pressure proportion adjustable, is characterized in that, comprise controlling organization, main air feed pump, feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism; This controlling organization is digital electronic controller; The input of this main air feed pump is connected with external gas source, and main air feed delivery side of pump is connected respectively by air transformer with feeding mechanism, heating arrangements, Proportioning mechanism, spray body and wiper mechanism; The switch of main air feed pump is connected with the primary air switch of digital electronic controller;
Described feeding mechanism comprises component A coating feeding pump, B component coating feeding pump, component A paint can, B component paint can, component A coating bulk supply pump and B component coating bulk supply pump;
The delivery outlet of this component A coating feeding pump is connected with one end of the first high pressure heat-preserving flexible pipe, this the first high pressure heat-preserving flexible pipe other end is connected with the valve at component A paint can charging aperture place, the input port of component A coating feeding pump is connected with the siphon pipe dish be positioned at above barreled component A coating, sucks coating by siphon pipe dish in component A coating feeding pump; Component A coating bulk supply pump charging aperture is connected with component A paint can discharging opening by siphon pipe, component A coating bulk supply pump discharging opening is connected with the component A coating proportioning valve of proportioning machine, and component A coating bulk supply pump plunger side is provided with electromagnetic inductor, this electromagnetic inductor is connected with the component A coating proportioning valve of proportioning machine, and the discharge outlet of this proportioning valve is provided with stop valve and sample valve;
The delivery outlet of this B component coating feeding pump is connected with one end of the second high pressure heat-preserving flexible pipe, this the second high pressure heat-preserving flexible pipe other end is connected with the valve at B component paint can charging aperture place, the input port of B component coating feeding pump is connected with the siphon pipe dish be positioned at above barreled B component coating, sucks coating by siphon pipe dish in B component coating feeding pump; B component coating bulk supply pump charging aperture is connected with B component paint can discharging opening by siphon pipe, B component coating bulk supply pump discharging opening is connected with the B component coating proportioning valve of proportioning machine, and B component coating bulk supply pump plunger side is provided with electromagnetic inductor, this electromagnetic inductor is connected with the B component coating proportioning valve of proportioning machine, and the discharge outlet of this proportioning valve is provided with stop valve and sample valve;
This component A paint can bucket wall is the hollow insulation layer that double-decker is formed, and be provided with electrical heating coil pipe, temperature sensor and agitator in this component A paint can, and component A paint can is provided with air transformer, this air transformer is connected with main air feed pump output; This agitator is agitator air, and its air shut-off valve door is located at component A paint can top and is connected with main air feed pump output;
This B component paint can bucket wall is the hollow insulation layer that double-decker is formed, and be provided with electrical heating coil pipe, temperature sensor and agitator in this B component paint can, and B component paint can is provided with air transformer, this air transformer is connected with main air feed pump output; This agitator is agitator air, and its air shut-off valve door is located at B component paint can top and is connected with main air feed pump output.
2. the fireproof coating spraying equipment of according to claim 1 pair of component high pressure proportion adjustable, it is characterized in that, described heating arrangements comprises water tank, paint can hot water circulating pump, coating pipe hot water circulating pump, spray gun coating pipe hot water circulating pump, the first electric heater and the second electric heater;
Wherein, be provided with electrical heating coil pipe and temperature sensor in water tank, this temperature sensor is connected with digital electronic controller and water tank electrical heating coil pipe respectively, and this electrical heating coil pipe is connected with the first electric heater; Second electric heater is provided with temperature sensor, and this temperature sensor is connected with digital electronic controller, component A paint can electrical heating coil pipe and B component paint can electrical heating coil pipe respectively; The outlet of this water tank is connected by valve respectively by the input of heat-preserving hose with paint can hot water circulating pump, coating pipe hot water circulating pump, spray gun coating pipe hot water circulating pump;
The input of this paint can hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, paint can hot water circuit delivery side of pump is provided with two-port valve, two through holes of this two-port valve are connected respectively by the import of heat-preserving hose with component A paint can and B component paint can hollow insulation layer, by bucket wall heat transfer, coating is heated, component A paint can is connected by attemperater with the backwater import of water tank respectively with the outlet of the hollow insulation layer of B component paint can, to form a hot water circulation loop;
The input of this coating pipe hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, this coating pipe hot water circuit delivery side of pump is provided with two-port valve, together with two through holes of this two-port valve to close up with the discharge nozzle of B component paint can respectively by the discharge nozzle of flexible pipe and component A paint can and the reflexing end of 180 degree and water container backwater import are connected to form hot water circulation loop, for component A paint can and the component A paint can discharge nozzle of B component paint can to proportioning machine proportioning valve section and guarantor's mild heat of B component paint can discharge nozzle, the coating of this section two discharge nozzles is made to maintain design temperature,
The input of this spray gun coating pipe hot water circulating pump is provided with air transformer, this air transformer is connected with main air feed pump output, the flexible pipe that this spray gun coating pipe hot water circuit delivery side of pump connects with from component A coating proportioning valve component A coating pipe out together with closing up from B component coating proportioning valve B component coating pipe out and the reflexing end of 180 degree and water container backwater import are connected to form hot water circulation loop, for the proportioning component A coating pipe of machine proportioning valve to far-end blender section and guarantor's mild heat of B component coating pipe, the coating of this section two coating pipes is made to maintain design temperature,
This first electric heater and the second electric heater are commercially available prod, and model is GRACO-226819.
3. the fireproof coating spraying equipment of according to claim 1 pair of component high pressure proportion adjustable, is characterized in that, described Proportioning mechanism comprises electronics proportioning machine, component A coating feeding pump and B component coating feeding pump; This electronics proportioning machine is commercially available prod, model is GRACO68-A1 electronics proportioning machine, and electromagnetic inductor, the ratio configuration switch of digital electronic controller and the discharge valve of component A paint can that the component A coating proportioning valve of this electronics proportioning machine is other with component A coating bulk supply pump plunger are respectively connected; The electromagnetic inductor that the B component coating proportioning valve of this electronics proportioning machine is other with B component coating bulk supply pump plunger respectively and the ratio configuration switch of digital electronic controller and the discharge valve of B component paint can are connected.
4. the fireproof coating spraying equipment of according to claim 1 pair of component high pressure proportion adjustable, is characterized in that, described spray body comprises component A coating pipe, B component coating pipe, far-end blender, blending transportation material pipe and spray gun;
The component A coating charging aperture that this far-end blender is provided with is connected with component A coating pipe one end, and the B component coating charging aperture be provided with is connected with B component coating pipe one end, and the discharging opening that far-end blender is provided with is connected with blending transportation material pipe one end;
The component A coating proportioning valve discharging opening of proportioning machine is connected with the component A coating pipe other end, B component coating proportioning valve discharging opening is connected with the other end of B component coating pipe, the built-in helical form mixing tube carrying out mixing for component A coating and B component coating in this far-end blender, the discharging opening of this far-end blender is connected with spray gun by the other end of blending transportation material pipe, two kinds of component coating fully mix merga pass blending transportation material pipe and enter spray gun under air pressure effect in far-end blender, complete spraying operation;
Component A coating pipe and B component coating tube wall are wrapped up in deposited outward by insulation material;
Described wiper mechanism comprises water tank, scavenging pump and spray gun; Scavenging pump input is provided with air transformer, this air transformer is connected with the cleaning hot water valve of main air feed pump output and water tank, scavenging pump output is connected by the hot water input of heat-preserving hose with far-end blender, the output end of hot water of far-end blender is connected with spray gun by blending transportation material pipe, and the hot water after cleaning is discharged into Sewage treatment bucket from spray gun.
5. a spraying method for the fireproof coating spraying equipment of two component high pressure proportion adjustable as claimed in claim 1, is characterized in that, comprise the following steps:
(1) in component A paint can, add component A coating, in B component paint can, add B component coating;
(2) start heating arrangements to heat the B component coating added in the component A coating added in component A paint can and B component paint can respectively;
(3) when component A coating and B component coating reach design temperature, stop the heating to paint can, start the discharge nozzle of heating arrangements to the discharge nozzle of component A paint can and B component paint can to heat, the coating controlled through two discharge nozzles maintains design temperature;
(4) open proportioning machine, the ratio of adjustment component A coating and B component coating, carry out the ratio test of component A coating and B component coating;
(5) component A coating and the B component coating of adjusting ratio enter far-end blender through component A coating pipe and B component coating pipe respectively under keeping warm mode, fully mix in the helical form mixing tube that far-end blender is built-in, become the coating that even density is stable;
(6) connect spray body, in the blending transportation material pipe of spray body, add the component A coating and B component coating that mix;
(7) open spray gun, spray;
(8) spraying operation terminates, the equipment cleaning after spraying;
(9) shut down.
6. the spraying method of the fireproof coating spraying equipment of according to claim 5 pair of component high pressure proportion adjustable, it is characterized in that, in described (2) step, hot water circuit indirect coating is comprised to the heating steps adding coating in component A paint can and B component paint can and electrical heating coil pipe directly heats coating; Indirect coating is by the water in the first electric heater heating water tank, when water temperature in water tank is higher than component A coating and B component coating design temperature, the valve opening water outlet of water tank and the paint can hot water circulating pump be connected with the hot water valve of component A paint can and B component paint can respectively, the hot water in water tank is made to enter the hollow insulation layer of component A paint can and B component paint can respectively, by the hot water circuit indirect coating of hollow insulation layer; It is unlatching second electric heater that electrical heating coil pipe directly heats coating, the electrical heating coil pipe being arranged on component A paint can and B component paint can internal layer is heated respectively by the second electric heater, directly coating is heated by electrical heating coil pipe, the agitator air opened in heating process on component A paint can and B component paint can carries out the stirring in heating process, plays the effect of uniform coating and uniform temperature.
7. the spraying method of the fireproof coating spraying equipment of according to claim 5 pair of component high pressure proportion adjustable, it is characterized in that, before described coating design temperature comprises spraying, component A coating and B component coating material temperature are set as 30 to 40 DEG C, temperature retention time 20 to 24 hours, temperature when spraying after component A coating and the mixing of B component coating controls at 50 to 60 DEG C.
8. the spraying method of the fireproof coating spraying equipment of according to claim 5 pair of component high pressure proportion adjustable, it is characterized in that, the ratio of described proportioning machine be two kinds of component coatings volume mixing ratios at 0.1:1 to 10:1, distributing precision error is less than ± 5%.
9. the spraying method of the fireproof coating spraying equipment of according to claim 5 pair of component high pressure proportion adjustable, it is characterized in that, equipment cleaning after described spraying comprises, pressure release, the cleaning of component A coating pipe, the cleaning of B component coating pipe, the cleaning of blending transportation material pipe and heating water tank draining.
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. Co-patentee after: BEIJING RUI CHENG ZHI JIE SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. Co-patentee before: BEIJING RUI CHENG ZHI JIE SCIENCE AND TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |