CN108758172B

CN108758172B - Outside-elbow 3PE winding anti-corrosion equipment

Info

Publication number: CN108758172B
Application number: CN201811036628.1A
Authority: CN
Inventors: 黄保东; 周凯甜; 李瑞吉
Original assignee: QINGDAO HUASHIDA MACHINERY CO Ltd
Current assignee: QINGDAO HUASHIDA MACHINERY CO Ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2023-06-13
Anticipated expiration: 2038-09-06
Also published as: CN108758172A

Abstract

The invention belongs to an outside-elbow 3PE winding corrosion-resistant device, which comprises a driving mechanism, wherein the right side of an outside-elbow spraying mechanism is provided with a pipe diameter adjusting mechanism, the side surface of the pipe diameter adjusting mechanism is provided with an epoxy powder dust removing device, an elbow conveying structure is in rotary movable connection with the outside-elbow spraying mechanism through the driving mechanism, the elbow conveying structure is provided with at least sixteen groups, the front side of the elbow conveying structure is provided with an elbow cooling mechanism, the elbow cooling mechanism is of an arc-shaped structure, and the outer end of the elbow cooling mechanism protrudes out of the outermost side of the elbow conveying structure. The PE winding anti-corrosion equipment outside the bent pipe is provided with a plurality of groups of bent pipe conveying structures, and the bent pipe conveying structures can rotate through the driving mechanism, so that the device can simultaneously operate a plurality of bent pipes, the working efficiency is improved, the device can automatically wind through rotation, the efficiency is higher, and the automation is stronger.

Description

Outside-elbow 3PE winding anti-corrosion equipment

Technical Field

The invention relates to the technical field of pipeline corrosion prevention, in particular to a 3PE winding corrosion prevention device outside an elbow.

Background

The problem of steel pipe corrosion is commonly existed in various departments of national economy and national defense construction, and huge loss is brought to national economy. And also cause great difficulty in production and life. The steel pipe is corroded at all times under natural or artificial conditions. The steel pipes, the root cause of which is the spontaneous unnecessary consumption, are in thermodynamically unstable states, under which they are restored to their original relatively stable state, producing iron oxides, carbonates, etc., or being converted to soluble ions, a process known as corrosion of metals. According to statistics, the annual steel yield of China is 1.6 hundred million tons. More than 6 kilo-thousand tons are lost each year due to corrosion. The annual output of Shanghai precious steel and iron general works is almost equal, corrosion is not only waste of steel resources, but also the manufacturing cost of shortening the service life of pipelines and equipment and replacing new pipeline equipment due to corrosion is far more than the price of metal materials, the production cost is increased, and the direct and indirect economic losses caused by economic benefit corrosion are greatly reduced. The corrosion products form scale layers, the heat transfer efficiency is affected, the heat transfer efficiency is reduced, the energy consumption is greatly increased, the economic loss per year caused by corrosion in China is up to 2800 hundred million yuan, and the economic loss is more than the sum of natural disasters such as wind disasters, flood disasters, earthquake disasters and the like, so that the winding of anti-corrosion materials is needed.

However, most of the existing anti-corrosion winding is manual winding or single winding, and the operation is time-consuming and labor-consuming, and has low working efficiency and poor winding effect.

Disclosure of Invention

The invention aims to provide an anti-corrosion device for winding 3PE outside an elbow, which aims to solve the problems that the prior anti-corrosion winding is mostly manual winding or single winding in the prior art, the operation is time-consuming and labor-consuming, the working efficiency is low and the winding effect is poor.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an outer PE winding corrosion protection equipment of return bend and method thereof, includes actuating mechanism, the actuating mechanism outside is provided with return bend conveying structure, and the return bend conveying structure right side is provided with return bend intermediate frequency heating mechanism, return bend intermediate frequency heating mechanism front end is provided with return bend outer wall spraying mechanism, and return bend outer wall spraying mechanism front end is provided with return bend outer wall winding mechanism, return bend outer wall spraying mechanism right side is provided with pipe diameter adjustment mechanism, and pipe diameter adjustment mechanism is the side and is provided with epoxy powder dust collector, return bend conveying structure passes through actuating mechanism and return bend outer wall spraying mechanism constitution swivelling joint, and return bend conveying structure is provided with and has sixteen groups at least, return bend conveying structure front side is provided with return bend cooling mechanism, and return bend cooling mechanism is the arc structure, return bend cooling mechanism outer end protrusion is in return bend conveying structure outside.

Further, actuating mechanism includes rotary motor, rotatory fluted disc, rotation axis, rotatory mounting, flexible swinging boom, electrical control box constitution, linkage piece, transfer line and servo motor, and rotatory fluted disc bottom is provided with the rotation axis to the rotation axis bottom is provided with rotary motor, and the rotary motor top is provided with flexible swinging boom, and flexible swinging boom bottom is provided with rotatory mounting, and flexible swinging boom passes through the linkage piece and is connected with the transfer line, and the transfer line left side is provided with servo motor, and the transfer line below is provided with electrical control box constitution.

Further, the telescopic rotating arm and the rotating fixing piece form a reciprocating sliding connection structure through the linkage block and the transmission rod.

Further, return bend conveying structure includes gum hanging roller, elevating gear and base, and gum hanging roller bottom is provided with elevating gear to elevating gear bottom is provided with the base, the gum hanging roller passes through elevating gear and constitutes linkage elevation structure.

Further, return bend intermediate frequency heating mechanism includes automatically controlled cabinet of intermediate frequency, intermediate frequency water cooling cable, intermediate frequency coil, intermediate frequency water cooling unit and intermediate frequency water purification unit, and automatically controlled cabinet side is connected with intermediate frequency coil through intermediate frequency water cooling cable to intermediate frequency coil left side is provided with intermediate frequency water purification unit, and intermediate frequency coil right side is provided with intermediate frequency water cooling unit.

Further, return bend outer wall spraying mechanism includes annular powder spray booth, annular powder spray support, powder spray gun and powder recovery unit, and annular powder spray booth outside is provided with annular powder spray support to annular powder spray booth inside is provided with the powder spray gun, and annular powder spray booth bottom is provided with powder recovery unit.

Further, the powder spray guns are distributed in an annular structure on the inner side of the annular powder spraying chamber, and the powder spray guns are distributed in a symmetrical structure by taking the center of the annular powder spraying chamber as a symmetrical center.

Further, return bend outer wall winding mechanism includes motor drive arrangement, winding device, puts area gyro wheel and holds in palm the area device, and motor drive arrangement bottom is provided with winding device to winding device is connected with putting the area gyro wheel through anticorrosive strip, and winding device bottom is provided with the hold in palm area device.

Further, the bent pipe cooling mechanism comprises a spray water pump, a spray water pipe and a spray water receiving disc, wherein the spray water pump is connected with the spray water pipe through a pipeline, and the spray water pump is connected with the spray water receiving disc through a pipeline.

Further, the spray water pipes are distributed on the side face of the spray water receiving disc in an annular structure, the positions of the spray water pipes are higher than those of the bent pipe conveying structure, and the spray water pipes and the spray water receiving disc form a circulating communication structure through the spray water pump.

The beneficial effects of the invention are as follows: the PE winding anti-corrosion equipment outside the bent pipe is provided with a plurality of groups of bent pipe conveying structures, and the bent pipe conveying structures can rotate through the driving mechanism, so that the device can simultaneously operate a plurality of bent pipes, the working efficiency is improved, the device can automatically wind through rotation, the efficiency is higher, and the automation is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a top view of an outside 3PE wound corrosion protection apparatus for elbows according to the present invention;

FIG. 2 is a cross-sectional view of the driving mechanism of FIG. 1 of the 3PE wound anti-corrosion device outside the elbow of the present invention;

fig. 3 is a cross-sectional view of the conveying structure of the elbow in fig. 1 of the 3PE winding anti-corrosion device outside the elbow.

FIG. 4 is a cross-sectional view of the intermediate frequency heating mechanism of the elbow of FIG. 1 of the outside 3PE winding corrosion protection device for elbows of the present invention;

FIG. 5 is a side view of the outside wall spraying mechanism of the outside 3PE winding corrosion protection device for the elbow of FIG. 1 according to the present invention;

FIG. 6 is a cross-sectional view of the outside wall winding mechanism of the outside 3PE winding corrosion protection device for the elbow of FIG. 1 according to the present invention;

fig. 7 is a top view of the elbow cooling mechanism of fig. 1 of the 3PE wound corrosion protection device outside the elbow of the present invention.

Reference numerals: 1. the device comprises a driving mechanism, 101, a rotary motor, 102, a rotary fluted disc, 103, a rotary shaft, 104, a rotary fixing piece, 105, a telescopic rotary arm, 106 and an electric control box, wherein the driving mechanism comprises 107, a linkage block, 108, a transmission rod, 109, a servo motor, 2, a bent pipe conveying structure, 201, a glue hanging roller, 202, a lifting device, 203, a base, 3, a bent pipe intermediate frequency heating mechanism, 301, an intermediate frequency electric control cabinet, 302, an intermediate frequency water cooling cable, 303, an intermediate frequency coil, 304, an intermediate frequency water cooling unit, 305, an intermediate frequency pure water unit, 4, a bent pipe outer wall spraying mechanism, 401, an annular powder spraying chamber, 402, an annular powder spraying support, 403, a powder spraying gun, 404, a powder recovery device, 5, a bent pipe outer wall winding mechanism, 501, a motor driving device comprises 502, a winding device, 503, a tape releasing roller, 504, a tape supporting device, 6, a bent pipe cooling mechanism comprises 601, a spray water pump, 602, a spray water pipe 603, a spray water pan, 7, a pipe diameter adjusting mechanism, 8 and an epoxy powder dust removing device.

Detailed Description

Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an outside-elbow 3PE winding anti-corrosion device comprises a driving mechanism 1, an elbow conveying structure 2, an elbow intermediate frequency heating mechanism 3, an elbow outer wall spraying mechanism 4, an elbow outer wall winding mechanism 5, an elbow cooling mechanism 6, a pipe diameter adjusting mechanism 7 and an epoxy powder dust removing device 8, wherein the outside of the driving mechanism 1 is provided with the elbow conveying structure 2, the right side of the elbow conveying structure 2 is provided with the elbow intermediate frequency heating mechanism 3, the driving mechanism 1 comprises a rotary motor 101, a rotary fluted disc 102, a rotary shaft 103, a rotary fixing piece 104, a telescopic rotary arm 105, an electric control box component 106, a linkage block 107, a transmission rod 108 and a servo motor 109, the bottom of the rotary fluted disc 102 is provided with the rotary shaft 103, the bottom of the rotary shaft 103 is provided with the rotary motor 101, the top of the rotary motor 101 is provided with the telescopic rotary arm 105, the bottom of the telescopic rotary arm 105 is provided with the rotary fixing piece 104, the telescopic rotating arm 105 is connected with the transmission rod 108 through the linkage block 107, the servo motor 109 is arranged at the left side of the transmission rod 108, the electric control box component 106 is arranged below the transmission rod 108, the telescopic rotating arm 105 and the rotary fixing piece 104 form a reciprocating sliding connection structure through the linkage block 107 and the transmission rod 108, thus the device can realize rotary motion, the spraying mechanism 4 on the outer wall of the bent pipe can operate more uniformly through reciprocating sliding, the effect is better, the bent pipe conveying structure 2 comprises a glue hanging roller 201, a lifting device 202 and a base 203, the bottom end of the glue hanging roller 201 is provided with the lifting device 202, the bottom end of the lifting device 202 is provided with the base 203, the glue hanging roller 201 forms a linkage lifting structure through the lifting device 202, so the device can adapt to different uniform center heights through lifting and adjusting the height of the glue hanging roller 201, the use is more convenient, the front end of the elbow intermediate frequency heating mechanism 3 is provided with an elbow outer wall spraying mechanism 4, the front end of the elbow outer wall spraying mechanism 4 is provided with an elbow outer wall winding mechanism 5, the elbow intermediate frequency heating mechanism 3 comprises an intermediate frequency electric control cabinet 301, an intermediate frequency water cooling cable 302, an intermediate frequency coil 303, an intermediate frequency water cooling unit 304 and an intermediate frequency pure water unit 305, the side surface of the intermediate frequency electric control cabinet 301 is connected with the intermediate frequency coil 303 through the intermediate frequency water cooling cable 302, the left side of the intermediate frequency coil 303 is provided with the intermediate frequency pure water unit 305, the right side of the intermediate frequency coil 303 is provided with the intermediate frequency water cooling unit 304, the effect is that the device rapidly heats the elbow, the temperature of the elbow is increased to the melting temperature of epoxy powder, components can be cooled, damage is avoided, the right side of the elbow outer wall spraying mechanism 4 is provided with a pipe diameter adjusting mechanism 7, the pipe diameter adjusting mechanism 7 is provided with an epoxy powder dust removing device 8 on the side surface, the pipe bending outer wall spraying mechanism 4 comprises an annular powder spraying chamber 401, an annular powder spraying bracket 402, a powder spraying gun 403 and a powder recovery device 404, wherein the powder recovery device 404 adopts the existing suction fan to act on the powder recovery device 404 through a pipeline to suck, recover and store redundant powder, the annular powder spraying bracket 402 is arranged outside the annular powder spraying chamber 401, the powder spraying gun 403 is arranged inside the annular powder spraying chamber 401, the powder recovery device 404 is arranged at the bottom of the annular powder spraying chamber 401, the powder spraying gun 403 is distributed in an annular structure inside the annular powder spraying chamber 401, the powder spraying gun 403 is distributed in a symmetrical structure by taking the center of the circle of the annular powder spraying chamber 401 as the symmetrical center, so that the powder spraying is more uniform, the processing effect is better, the powder recovery can be carried out through the powder recovery device 404, the secondary utilization is convenient, the resource is saved, the pipe bending outer wall winding mechanism 5 comprises a motor driving device 501, a winding device 502, a belt releasing roller 503 and a belt supporting device 504, wherein the motor driving device 501 adopts the existing motor to act as power, and drives a driving wheel to rotate through a belt, so that the winding device 502 is given with winding power, the belt supporting device 504 carries out limit supporting on a belt material in the working process through an existing bracket, the winding device 502 is arranged at the bottom of the motor driving device 501, the winding device 502 is connected with the belt releasing roller 503 through an anti-corrosion belt material, the belt supporting device 504 is arranged at the bottom of the winding device 502, so that the device can rapidly wind a pipe bending, the efficiency is high, the belt supporting device 504 prevents the belt material from falling, the pipe bending conveying structure 2 and the pipe bending outer wall spraying mechanism 4 form rotary movable connection through the driving mechanism 1, and the pipe bending conveying structure 2 is provided with at least sixteen groups, the front side of the elbow conveying structure 2 is provided with an elbow cooling mechanism 6, the elbow cooling mechanism 6 is of an arc structure, the outer end of the elbow cooling mechanism 6 protrudes out of the elbow conveying structure 2, the elbow cooling mechanism 6 comprises a spray water pump 601, a spray water pipe 602 and a spray water receiving disc 603, the spray water pump 601 is connected with the spray water pipe 602 through a pipeline, the spray water pump 601 is distributed in an annular structure on the side surface of the spray water receiving disc 603 through the pipeline and the spray water receiving disc 603, the spray water pipe 602 is higher than the elbow conveying structure 2, the spray water pipe 602 and the spray water receiving disc 603 form a circulating communication structure through the spray water pump 601, so that the device can uniformly spray the surface of the elbow, cool more quickly, and can recover water through the spray water receiving disc 603, avoiding the waste of water resources.

The working principle of the embodiment is as follows: the pipe bending outside 3PE winding corrosion protection device is characterized in that the pipe bending is placed on a pipe bending conveying structure 2, a rotary fluted disc 102 is driven by a rotary motor 101 through a rotary shaft 103 of a driving mechanism 1 to rotate and drive by taking the driving mechanism 1 as a center, a lifting device 202 of the pipe bending conveying structure 2 adjusts the height of a glue hanging roller 201 to adapt to the uniform center height of different pipe diameters, when the driven pipe bending passes through a pipe bending intermediate frequency heating mechanism device 3, an intermediate frequency electric control cabinet 301 adjusts the output power of an intermediate frequency coil 303, an intermediate frequency electric control cabinet 301 adjusts current to supply to the intermediate frequency coil 303 through an intermediate frequency water cooling cable 302, electromagnetic vortex is generated in the center position of the coil due to reverse oscillation of the current in an O-shaped coil at a frequency of 1000HZ, vortex is generated in the pipe bending when the pipe bending passes through the center position of the intermediate frequency coil 303 to heat the pipe bending, the intermediate frequency coil 303 is heated at the same time when the elbow is heated, the temperature of the working original causes adverse effect on electromagnetism, the intermediate frequency coil 303 is cooled by the intermediate frequency water purification unit 305 of the intermediate frequency water cooling unit 304 after the temperature is raised, the intermediate frequency water cooling unit 304 also cools the intermediate frequency water purification unit 305, the elbow is heated to the melting temperature of epoxy powder in a very short time, the high-temperature elbow is coated with epoxy powder on the outer surface by the equipment of the elbow outer wall spraying mechanism 4, when the elbow passes through the annular powder spraying chamber 401, the powder spraying gun 403 arranged on the annular powder spraying bracket 402 is used for spraying powder outside the elbow, the annular powder spraying chamber 401 effectively shields powder from drifting around when the outside of the elbow is sprayed, the powder scattered in the annular powder spraying chamber 401 is recycled by the powder recycling device 404, when the pipe is passed, the motor driving device 501 provides rotary power for the winding device 502, the winding device 502 winds the strip discharged by the strip discharge roller 503 in the rotation process, the strip supporting device 504 provides lifting support for long-distance strip discharge without falling to the ground, the winding strip on the winding device 502 winds outside the strip storage ring, strip discharge is carried out in the strip storage ring during strip discharge, the outer winding and inner discharge structure ensures online continuous work, the sprayed and missed powder is recycled and dedusted through the epoxy powder dedusting device 8, in order to adapt to pipe diameter size without pipe diameter, the pipe diameter adjusting mechanism 7 is specially set to adapt to the change of the pipe, when the anticorrosion finished pipe passes through the pipe cooling mechanism 6, the spray water pump 601 provides a water source for the spray water pipe 602, the water of the spray water pipe 602 slowly flows to the anticorrosion pipe surface, the temperature of the pipe is reduced to below 50 ℃ through heat exchange, and the discharged water is guided into a water tank through the spray water receiving disc 603 to be recycled, namely the working process of the external 3PE winding anticorrosion equipment.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.

Claims

1. The utility model provides an outer 3PE winding corrosion protection equipment of return bend, includes actuating mechanism (1), actuating mechanism (1) outside is provided with return bend conveying structure (2), and return bend conveying structure (2) right side is provided with return bend intermediate frequency heating mechanism (3), return bend intermediate frequency heating mechanism (3) front end is provided with return bend outer wall spraying mechanism (4), and return bend outer wall spraying mechanism (4) front end is provided with return bend outer wall winding mechanism (5), return bend outer wall spraying mechanism (4) right side is provided with pipe diameter adjustment mechanism (7), and pipe diameter adjustment mechanism (7) are the side and are provided with epoxy powder dust collector (8), its characterized in that: the pipe bending conveying structure (2) is in rotary movable connection with the pipe bending outer wall spraying mechanism (4) through the driving mechanism (1), the pipe bending conveying structure (2) is provided with at least sixteen groups, the pipe bending cooling mechanism (6) is arranged on the front side of the pipe bending conveying structure (2), the pipe bending cooling mechanism (6) is of an arc-shaped structure, and the outer end of the pipe bending cooling mechanism (6) protrudes out of the pipe bending conveying structure (2);

the driving mechanism (1) comprises a rotary motor (101), a rotary fluted disc (102), a rotary shaft (103), a rotary fixing piece (104), a telescopic rotary arm (105), an electric control box component (106), a linkage block (107), a transmission rod (108) and a servo motor (109), wherein the rotary shaft (103) is arranged at the bottom of the rotary fluted disc (102), the rotary motor (101) is arranged at the bottom of the rotary shaft (103), the telescopic rotary arm (105) is arranged at the top of the rotary motor (101), the rotary fixing piece (104) is arranged at the bottom of the telescopic rotary arm (105), the telescopic rotary arm (105) is connected with the transmission rod (108) through the linkage block (107), the servo motor (109) is arranged at the left side of the transmission rod (108), and the electric control box component (106) is arranged below the transmission rod (108);

the bent pipe conveying structure (2) comprises a rubber coating roller (201), a lifting device (202) and a base (203), wherein the lifting device (202) is arranged at the bottom end of the rubber coating roller (201), the base (203) is arranged at the bottom end of the lifting device (202), and the rubber coating roller (201) forms a linkage lifting structure through the lifting device (202);

the bent pipe intermediate frequency heating mechanism (3) comprises an intermediate frequency electric control cabinet (301), an intermediate frequency water cooling cable (302), an intermediate frequency coil (303), an intermediate frequency water cooling unit (304) and an intermediate frequency pure water unit (305), wherein the side surface of the intermediate frequency electric control cabinet (301) is connected with the intermediate frequency coil (303) through the intermediate frequency water cooling cable (302), the intermediate frequency pure water unit (305) is arranged on the left side of the intermediate frequency coil (303), and the intermediate frequency water cooling unit (304) is arranged on the right side of the intermediate frequency coil (303);

the winding mechanism (5) of the outer wall of the bent pipe comprises a motor driving device (501), a winding device (502), a tape releasing roller (503) and a tape supporting device (504), wherein the winding device (502) is arranged at the bottom of the motor driving device (501), the winding device (502) is connected with the tape releasing roller (503) through an anti-corrosion tape, and the tape supporting device (504) is arranged at the bottom of the winding device (502).

2. The out-of-pipe 3PE winding corrosion protection device of claim 1, wherein: the telescopic rotating arm (105) and the rotating fixing piece (104) form a reciprocating sliding connection structure through the linkage block (107) and the transmission rod (108).

3. The out-of-pipe 3PE winding corrosion protection device of claim 1, wherein: the pipe bending outer wall spraying mechanism (4) comprises an annular powder spraying chamber (401), an annular powder spraying support (402), a powder spray gun (403) and a powder recovery device (404), wherein the annular powder spraying support (402) is arranged on the outer side of the annular powder spraying chamber (401), the powder spray gun (403) is arranged on the inner side of the annular powder spraying chamber (401), and the powder recovery device (404) is arranged at the bottom of the annular powder spraying chamber (401).

4. A 3PE wound corrosion protection apparatus outside an elbow according to claim 3, wherein: the powder spray guns (403) are distributed in an annular structure on the inner side of the annular powder spraying chamber (401), and the powder spray guns (403) are distributed in a symmetrical structure by taking the center of the annular powder spraying chamber (401) as a symmetrical center.

5. The out-of-pipe 3PE winding corrosion protection device of claim 1, wherein: the bent pipe cooling mechanism (6) comprises a spray water pump (601), a spray water pipe (602) and a spray water receiving disc (603), wherein the spray water pump (601) is connected with the spray water pipe (602) through a pipeline, and the spray water pump (601) is connected with the spray water receiving disc (603) through a pipeline.

6. The out-of-tube 3PE winding corrosion protection device of claim 5, wherein: the spray water pipes (602) are distributed on the side face of the spray water receiving disc (603) in an annular structure, the positions of the spray water pipes (602) are higher than those of the bent pipe conveying structure (2), and the spray water pipes (602) and the spray water receiving disc (603) form a circulating communication structure through a spray water pump (601).