Dryer for anticorrosive coating on inner wall of petroleum pipeline

By combining a servo motor-driven rotating component with a heating rod, the problem of uneven drying and damage to the coating on the inner wall of oil pipelines was solved, achieving uniform drying and improved corrosion protection.

CN223683881UActive Publication Date: 2025-12-19江苏全悦旺能源科技发展有限公司
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Patent Information

Application Number
CN202423008891.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-19
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing drying devices for the anti-corrosion coating on the inner wall of oil pipelines are prone to damaging the coating, resulting in reduced anti-corrosion effect and uneven drying.

Method used

The system employs a combination of a servo motor-driven rotating assembly and heating rods. The rotation and reciprocating motion of the oil pipe body are achieved through the meshing of a fixed rotating rod and a bevel gear. Combined with heating rods of different lengths, the inner wall is uniformly heated and dried.

Benefits of technology

It achieves uniform drying of the coating on the inner wall of oil pipelines, improves the anti-corrosion effect, avoids coating damage, and has a simple and stable structure.

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Abstract

The utility model discloses a petroleum pipeline inner wall anti-corrosion coating dryer which comprises a base frame, a fixing frame is fixedly installed at one end of the top of the base frame, a fixing rotating rod is movably arranged on one side of the fixing frame, a drying assembly is arranged on the fixing rotating rod, and an arc-shaped fixing plate is arranged at the top of the base frame. A servo motor is fixedly installed at one end in the base frame, a supporting screw rod is fixedly installed at the output end of the servo motor, a rotating assembly is arranged in the fixing frame, and the rotating assembly comprises a supporting shaft movably arranged in the center of the bottom end in the fixing frame. A petroleum pipeline drying device relates to the field of petroleum pipelines, the interior of a petroleum pipeline body is heated and dried through a heater, a first connecting rod, a second connecting rod, a first heating rod and a second heating rod on a fixed rotating rod, different degrees of drying effects are achieved through different lengths of the first connecting rod and the second connecting rod, and meanwhile the petroleum pipeline body moves back and forth, so that the drying effect is improved. And uniform drying of the inner wall is achieved, and design is reasonable and ingenious.
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Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum pipeline technical field, especially relate to a petroleum pipeline inner wall anticorrosive coating drier. BACKGROUND

[0002] Petroleum is a kind of viscous dark brown liquid, and there is petroleum storage in the upper part of crust in some areas, and the pipe material of oil pipeline is generally steel pipe, is connected into long distance pipeline using welding and flange etc. Connecting device, and is opened and closed control and flow regulation using valve, and oil pipeline mainly has isothermal conveying, heating conveying and sequential conveying etc. Conveying process, and the corrosion of pipeline and how to prevent corrosion are one of the important links of pipeline maintenance, and currently oil pipeline has become one of the main conveying tools of petroleum, and still has considerable development potential in the future.

[0003] Now, sand blasting anticorrosion is carried out on the inner wall of petroleum pipeline before use, and the thicker the coating is in the heavy anticorrosion aspect, the better the anticorrosion effect is, but it is not easy to dry, and natural air drying or drying device is generally used to dry the inner wall of pipeline, and the sliding wheel driving is mostly used in drying device, and the coating of inner wall of pipeline is inevitably contacted, is easily damaged, reduces the anticorrosion effect, is not conducive to long-term use of petroleum pipeline, and once the heating device is fixed in the pipeline for position drying, the drying effect is poor, some places have been dried, but some places have not been dried, to this end, the utility model provides a petroleum pipeline inner wall anticorrosive coating drier. UTILITY MODEL CONTENT

[0004] The purpose of the present application is to provide a petroleum pipeline inner wall anticorrosive coating drier to solve the problems raised in the background art.

[0005] To achieve the above object, the present application provides the following technical scheme: a petroleum pipeline inner wall anticorrosive coating drier, comprising a base frame, a fixed frame is fixedly installed at one end of the top of the base frame, a movable fixed rotating rod is movably arranged on one side of the fixed frame, a drying assembly is arranged on the fixed rotating rod, and an arc-shaped fixed plate is arranged on the top of the base frame.

[0006] A servo motor is fixedly installed at one end inside the base frame, a supporting screw is fixedly installed at the output end of the servo motor, a rotating assembly is arranged in the fixed frame, the rotating assembly comprises a supporting shaft movably arranged at the center of the bottom end inside the fixed frame, the bottom of the supporting shaft extends through the base frame, and a first bevel gear is fixedly installed at the bottom end of the supporting shaft, and a second bevel gear is fixedly installed at the top of the supporting shaft in the fixed frame by bolts.

[0007] Preferably, the support screw is provided with a movable block connected through a threaded hole, the top of the movable block is provided with an electric telescopic rod fixedly installed through bolts, and the top of the electric telescopic rod is fixedly installed on the bottom of the arc-shaped fixing plate through bolts.

[0008] The base frame is provided with a limiting rod fixedly installed on the both sides of the support screw through bolts, the both ends of the movable block are movably penetrated into the limiting rod, and the top of the base frame is provided with a movable groove, and the electric telescopic rod is movably penetrated into the movable groove.

[0009] Preferably, the rotating assembly further comprises a third bevel gear installed at the top end of the support screw, the third bevel gear is movably engaged with the first bevel gear, one end of the fixed rotating rod is penetrated into the fixing frame, and the fixed rotating rod is provided with a fourth bevel gear movably engaged with the second bevel gear fixedly installed in the fixing frame through bolts.

[0010] Preferably, the drying assembly comprises a first heating rod and a second heating rod, the fixed rotating rod is movably arranged at the top center of the base frame, the outer periphery of the fixed rotating rod is uniformly provided with a plurality of first connecting rods fixedly installed through bolts, the fixed rotating rod is provided with a second connecting rod fixedly installed on one side of the first connecting rod, the length of the second connecting rod is half of the length of the first connecting rod, the top end of the first connecting rod is connected with the first heating rod, and the top end of the second connecting rod is connected with the second heating rod.

[0011] Preferably, the fixed rotating rod is provided with a heater fixedly installed at one end close to the fixing frame, and the heater is electrically connected with the first heating rod and the second heating rod.

[0012] Preferably, the arc-shaped fixing plate is fixedly provided with a petroleum pipe body, and the fixed rotating rod is movably arranged at the center of the petroleum pipe body.

[0013] In conclusion, the technical effects and advantages of the present application are as follows:

[0014] 1. In the present application, the movable block, the electric telescopic rod and the movable groove are used for reciprocating motion of the petroleum pipe body on the arc-shaped fixing plate, so that the petroleum pipe body reciprocates on the outer periphery of the fixed rotating rod, and the heater, the first connecting rod, the second connecting rod, the first heating rod and the second heating rod on the fixed rotating rod are used for heating and drying the inside of the petroleum pipe body.

[0015] 2. The utility model discloses a fixed rod on the heater, first connecting rod, second connecting rod, first heating rod and second heating rod to the internal heating of petroleum pipe body, through the different length of first connecting rod and second connecting rod, realize the drying effect of different degree, and the back and forth movement of petroleum pipe body realizes the uniform drying effect to the inner wall, and the design is reasonable and ingenious.

[0016] 3. The utility model discloses a fixed rod on the fourth bevel gear rotation movement of support shaft through the second bevel gear meshing in the rotation process, and the first heating rod and second heating rod in the rotation process of fixed rod in petroleum pipe body drive the rotation drying to the inner wall, make the inner wall drying of petroleum pipe body even completely, and the structure is simple and stable. ACCURACY

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0018] Figure 1 It is a whole structure schematic perspective drawing of the petroleum pipeline inner wall anticorrosive coating dryer in the embodiment of the present application.

[0019] Figure 2 It is a whole internal structure schematic perspective drawing of the petroleum pipeline inner wall anticorrosive coating dryer in the embodiment of the present application.

[0020] Figure 3 It is a fixed frame internal structure schematic perspective drawing of the petroleum pipeline inner wall anticorrosive coating dryer in the embodiment of the present application.

[0021] Figure 4 It is a base frame internal structure schematic perspective drawing of the petroleum pipeline inner wall anticorrosive coating dryer in the embodiment of the present application.

[0022] Figure 5 It is a fixed rod connecting structure schematic front view of the petroleum pipeline inner wall anticorrosive coating dryer in the embodiment of the present application.

[0023] In the drawing: 10, base frame; 11, servo motor; 12, support screw; 13, movable block; 14, electric telescopic rod; 15, limiting rod; 16, movable groove; 17, third bevel gear; 20, fixed frame; 21, fixed rod; 22, arc fixed plate; 23, support shaft; 24, first bevel gear; 25, second bevel gear; 26, fourth bevel gear; 27, petroleum pipe body; 30, first heating rod; 31, second heating rod; 32, first connecting rod; 33, second connecting rod; 34, heater. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment: refer to Figures 1-5 As shown in the figure, the petroleum pipeline inner wall anticorrosive coating dryer comprises a base frame 10, one end of the top of the base frame 10 is fixedly provided with a fixed frame 20, one side of the fixed frame 20 is movably provided with a fixed rotating rod 21, the fixed rotating rod 21 is provided with a drying assembly, the top of the base frame 10 is provided with an arc-shaped fixed plate 22, the arc-shaped fixed plate 22 is used for supporting and fixing the petroleum pipe body 27, and subsequent drying is facilitated.

[0026] One end of the inside of the base frame 10 is fixedly provided with a servo motor 11, the output end of the servo motor 11 is fixedly provided with a supporting screw rod 12, the fixed frame 20 is provided with a rotating assembly, the rotating assembly comprises a supporting shaft 23 movably arranged at the bottom center of the inside of the fixed frame 20, the bottom of the supporting shaft 23 extends through the base frame 10, and the bottom end of the supporting shaft 23 is fixedly provided with a first bevel gear 24, and the top of the supporting shaft 23 is fixedly provided with a second bevel gear 25 in the fixed frame 20 through bolts. The fixed rotating rod 21 is driven to rotate by the rotary motion of the bevel gear.

[0027] Referring to Figure 1 and Figure 4 , the supporting screw rod 12 is threadedly connected with a movable block 13, the top of the movable block 13 is fixedly provided with an electric telescopic rod 14 through bolts at both ends, the top end of the electric telescopic rod 14 is fixedly provided on the bottom of both sides of the arc-shaped fixed plate 22 through bolts, the height of the arc-shaped fixed plate 22 is adjusted through the electric telescopic rod 14, so that the fixed rotating rod 21 is located at the inner center of the petroleum pipe body 27.

[0028] The base frame 10 is fixedly provided with a limiting rod 15 through bolts at both sides of the supporting screw rod 12, both ends of the movable block 13 movably extend through the limiting rod 15, the top of the base frame 10 is provided with a movable groove 16, and the electric telescopic rod 14 movably extends through the movable groove 16, and the height is adjusted.

[0029] Referring to Figure 2 , Figure 4 and Figure 5, the drying assembly includes first heating rod 30 and second heating rod 31, fixed rotating rod 21 is active at the top center of base frame 10, the outer periphery of fixed rotating rod 21 is evenly provided with a plurality of first connecting rods 32 by bolt, second connecting rod 33 is fixedly installed on the one side of first connecting rod 32 on fixed rotating rod 21, and the length of second connecting rod 33 is half of the length of first connecting rod 32, the top of first connecting rod 32 is connected with first heating rod 30, and the top of second connecting rod 33 is connected with second heating rod 31, first heating rod 30 and second heating rod 31 are installed by different length connecting rods, and different degrees of heating and drying of the inner wall of petroleum pipe body 27 are realized.

[0030] Refer to Figure 2 、 Figure 3 and Figure 4 , the rotating assembly further includes third bevel gear 17 installed at the top end of support screw 12, and the third bevel gear 17 is movably engaged with first bevel gear 24, one end of fixed rotating rod 21 extends through fixed frame 20, fourth bevel gear 26 movably engaged with second bevel gear 25 is fixedly installed on fixed rotating rod 21 in fixed frame 20 by bolt, and synchronous rotation movement of support screw 12 and fixed rotating rod 21 is realized through the engagement connection of bevel gears;

[0031] Heater 34 is fixedly installed on one end of fixed rotating rod 21 close to fixed frame 20, and the heater 34 is electrically connected between first heating rod 30 and second heating rod 31, the petroleum pipe body 27 is fixedly placed on the arc-shaped fixed plate 22, and the fixed rotating rod 21 is active at the center of the petroleum pipe body 27, and the uniform drying effect of the inner wall of the petroleum pipe body 27 is realized.

[0032] The utility model working principle: the petroleum pipe body 27 that brushes anticorrosive coating is placed to arc-shaped fixed plate 22, the movable block 13 on support screw 12 is converted into linear motion by rotary motion through servo motor 11 drive, the petroleum pipe body 27 on arc-shaped fixed plate 22 is reciprocated by movable block 13, electric telescopic rod 14 and movable groove 16, so that the petroleum pipe body 27 is reciprocated on the outer periphery of fixed rotating rod 21, the inside of petroleum pipe body 27 is heated and dried by heater 34, first connecting rod 32, second connecting rod 33, first heating rod 30 and second heating rod 31 on fixed rotating rod 21, different degrees of drying effect are realized by the different lengths of first connecting rod 32 and second connecting rod 33, the reciprocating movement of petroleum pipe body 27 realizes the uniform drying effect of the inner wall, and the design is reasonable and ingenious;

[0033] The first bevel gear 24 is driven to rotate by the third bevel gear 17 engaging the top end of the supporting screw rod 12, the supporting shaft 23 is driven to rotate by the first bevel gear, the fourth bevel gear 26 on the fixed rotating rod 21 is driven to rotate by the second bevel gear 25 engaging in the rotating process of the supporting shaft 23, the first heating rod 30 and the second heating rod 31 inside the petroleum pipe body 27 are driven to rotate and dry the inner wall in the rotating process of the fixed rotating rod 21, the inner wall of the petroleum pipe body 27 is uniformly and completely dried, and the structure is simple and stable.

[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. An oil pipeline internal wall anticorrosive coating drier comprising a base frame (10), characterized in that, The top end of the base frame (10) is fixedly provided with a fixed frame (20), one side of the fixed frame (20) is movably provided with a fixed rotating rod (21), the fixed rotating rod (21) is provided with a drying assembly, and the top of the base frame (10) is provided with an arc-shaped fixed plate (22). The inside of the base frame (10) is fixedly provided with a servo motor (11) at one end, the output end of the servo motor (11) is fixedly provided with a supporting screw rod (12), the fixed frame (20) is provided with a rotating assembly, the rotating assembly comprises a supporting shaft (23) movably arranged at the bottom center of the inside of the fixed frame (20), the bottom of the supporting shaft (23) extends through the base frame (10), and the bottom end of the supporting shaft (23) is fixedly provided with a first bevel gear (24), and the top of the supporting shaft (23) is fixedly provided with a second bevel gear (25) in the fixed frame (20) through bolts.

2. A petroleum pipeline interior wall anticorrosive coating drier according to claim 1, characterized in that: The supporting screw rod (12) is threadedly connected with a movable block (13), the top of the movable block (13) is fixedly provided with an electric telescopic rod (14) at both ends through bolts, and the top end of the electric telescopic rod (14) is fixedly provided on the bottom of both sides of the arc-shaped fixed plate (22) through bolts. The base frame (10) is fixedly provided with a limiting rod (15) on both sides of the supporting screw rod (12) through bolts, both ends of the movable block (13) movably extend through the limiting rod (15), and the top of the base frame (10) is provided with a movable groove (16), and the electric telescopic rod (14) movably extends through the movable groove (16).

3. A petroleum pipeline interior wall anticorrosive coating drier according to claim 1, characterized in that: The rotating assembly further comprises a third bevel gear (17) mounted on the top end of the supporting screw rod (12), and the third bevel gear (17) is movably engaged with the first bevel gear (24), one end of the fixed rotating rod (21) extends through the fixed frame (20), and the fixed rotating rod (21) is fixedly provided with a fourth bevel gear (26) movably engaged with the second bevel gear (25) in the fixed frame (20) through bolts.

4. A petroleum pipeline interior wall anticorrosive coating drier according to claim 1, characterized in that: The drying assembly comprises a first heating rod (30) and a second heating rod (31), the fixed rotating rod (21) is movably arranged at the top center of the base frame (10), a plurality of first connecting rods (32) are uniformly arranged on the outer periphery of the fixed rotating rod (21) through bolts, a second connecting rod (33) is fixedly arranged on one side of the first connecting rod (32) on the fixed rotating rod (21), the length of the second connecting rod (33) is half of the length of the first connecting rod (32), the top end of the first connecting rod (32) is connected with the first heating rod (30), and the top end of the second connecting rod (33) is connected with the second heating rod (31).

5. A petroleum pipeline interior wall anticorrosive coating drier according to claim 4, characterized in that: A heater (34) is fixedly arranged on one end of the fixed rotating rod (21) close to the fixed frame (20), and the heater (34) is electrically connected with the first heating rod (30) and the second heating rod (31).

6. A petroleum pipeline interior wall anticorrosive coating drier according to claim 1, characterized in that: The arc-shaped fixed plate (22) is fixed with a petroleum pipe body (27), and the fixed rotating rod (21) moves at the center of the petroleum pipe body (27).