Adopt horizontal coating technology and dipping fluidized bed coating technology to be used to apply steel pipe, nodular cast iron pipe,, originate from the fifties not, be widely used in the industrialness development in the later stage eighties in developed countries such as the U.S., Japan, Canada.We began one's study on the basis that absorbs, digests advanced foreign technology the beginning of the nineties, and the pilot scale of 96 years processes, just applied at present.Because this coating technology has good adhesive force and chemical resistance, coating surface is smooth, wear-resisting, thereby is widely used in the conveying of industry media such as oil, chemical industry, chemicals, power plant.Adopt the nontoxic powder coating of food-grade as coating, more can be widely used in city supply water pipeline.Keep original mechanical performance of steel pipe owing to it again, thereby also be widely used in communication, submarine pipeline.
The purpose of this utility model provides a kind of novel structure, durable, easy-maintaining, maintenance, installation effectiveness, horizontal applying device that production efficiency is high.
In order to achieve the above object, the utility model is taked following measures:
Horizontal applying device has powder feeder unit, retracting device, the whirligig of coating workpiece, said powder feeder unit has for the powder measurer, join with compressed-air line for powder measurer bottom, be provided with gas supply line between compressed-air line and the confession powder measurer top, and be connected to the air feed autocontrol valve respectively, with for the powder measurer] compressed-air line that joins is respectively through joining for powder autocontrol valve and the movable temperature control atomizer of interior coating, said retracting device has applying device bed body case, and bed body case inwall is provided with dividing wall type recovery chamber and joins with the powder recover.
Advantage of the present utility model:
1. design philosophy advanced person.Adopt contemporary state-of-the-art pipeline heating coating, curing and atomizing principles, and new and high technologies such as machinery, chemical industry, hydraulic pressure, automatic control comprehensively are combined as a whole, thereby make the coating tube product solve strong adhesion, smooth, wear-resisting, anti-strong acid, highly basic, a difficult problem such as anticorrosive.Adopt the nontoxic dusting of food-grade to solve the not contaminated difficult problem of water-supply systems again.
It and other coating technology relatively have the advantage of three aspects, make this new device be in leading domestic status, have filled up domestic blank.
(1) can be according to user's needs, coating pipeline (as water supply line), inside and outside coating pipeline and apply multiple kind such as pipeline outward in providing, and other applying devices can only provide single kind;
(2) can to inside and outside coating pipeline, can provide the coated pipeline (0.02-3.0mm) of different-thickness according to user's needs, thereby the coating cost is descended significantly.And the pipeline that other applying devices can only provide inside and outside coating thickness to take charge of mutually;
(3) can be according to user's needs, provide the coating (as epoxy resin, polyethylene) of two or more different coating to undercoating, solved user's specific (special) requirements, and other applying devices can only provide single paint coatings.
2. novel structure, durable, easy-maintaining, maintenance, installation effectiveness and production efficiency height;
3. the utility model and corollary apparatus equipment price thereof are low, pre-processing device adopts advanced automatically interior grinding machine and compressed air shotblasting machine, rejected traditional pickling processes, not only solved environmental issue, investment is descended, he and homemade dipping fluidized bed coating device comparison can reduce by 1 times of investment, and the like product comparative price of he and import will be hanged down 15 times-20 times
4. this device accomplishes not have the powder that leaks basically, because the bed body seals when coating, is provided with filer element type and absorption two kinds of retracting devices in the bed body, can accomplish compliance with environmental protection requirements.
5. all kinds of coating steel pipes (pipeline) produced of this device, quality is good, every technical indicator all reach the GB1720-79 of national regulation~~~GB1770-79 related standards and Nippon Standard: K5981-92, G3469-86, G3443-87.Reach the standard of the like product of the U.S., Japan.
Elaborate below in conjunction with accompanying drawing:
Horizontal applying device has powder feeder unit, retracting device, the whirligig of coating workpiece 5, said powder feeder unit has for powder measurer 2,24,13,16, join with compressed-air line for powder measurer bottom, be provided with gas supply line between compressed-air line and the confession powder measurer top, and be connected to air feed autocontrol valve 1 respectively, 25,14,15, with confession powder measurer 2,24 compressed-air lines that join are respectively through supplying powder autocontrol valve 3,23 join with the movable temperature control atomizer 4 of interior coating, with the pipe 13 of preparing burden for powder, 16 compressed-air lines that join are respectively through supplying powder autocontrol valve 12,17 join with the movable temperature control atomizer 11 of interior coating, said retracting device has applying device bed body case 9, and bed body case inwall is provided with dividing wall type recovery chamber 21 and joins with powder recover [18].Said powder feeder unit have with the compressed-air line that joins for powder measurer 2,24,13,16 respectively through for powder autocontrol valve 6,22,7,19 and removable outside the outer coating temperature control atomizer 8,19 of applying device 10 join.Said coating temperature control atomizer has nozzle body 26, nozzle tube core 27, and nozzle body is provided with temperature control cooling jacket 30 outward, and it is circular-arc plate washer 28 that jet expansion 29 places are provided with cross section.Said powder recover is absorption or filer element type.
The utlity model has the sealing bed body of automatic open close, steel pipe passes in and out a body automatically, and steel pipe rotates automatically during coating, can apply 50mm, 100mm ... 1000mm bore pipeline; Bed body both sides are provided with the full-automatic interior applying device of fluid pressure type, and are furnished with 8~12 temperature control atomizers; At the external automatic control powder feeder unit that is provided with the different coating powders of supply of bed, and are furnished with 4~6 special batching devices.