A thermal insulation pipeline anticorrosive coating spraying device

Abstract

The present application provides a kind of thermal insulation pipeline anticorrosive coating spraying device, including the mobile assembly being set on mobile column and being closely combined with the inner wall of thermal insulation pipeline, and the spraying mechanism being set on the end of mobile column and being rotated in the direction of mobile column axis, spraying mechanism includes one end vertical setting on the end of mobile column on rotating rod, by end activity setting on the first control rod of rotating rod far from the end of mobile column, one end with the second control rod of first control rod far from rotating rod one end end rotation connection, rotation block being rotationally set on the second control rod far from the first control rod one end end, and the spray head assembly being set on rotating block, first control rod, second control rod and rotating block are rotated on the end surface of rotating rod;The present application can conveniently spray anticorrosive coating to the inner wall of thermal insulation pipeline, and ensures that the inner wall of thermal insulation pipeline anticorrosive coating is sprayed evenly, improves the spraying effect, avoids the waste of anticorrosive material.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline anticorrosion, in particular to a heat preservation pipeline anticorrosion layer spraying device. BACKGROUND

[0002] The heat preservation pipeline is a short name of the heat insulation pipeline, and the heat preservation pipeline is used for conveying liquid, gas and other medium, and is used in heat insulation engineering of pipelines in petroleum, chemical industry, aerospace, hot spring, military, central heating, central air conditioning and municipal affairs.

[0003] With the development of society and the emergence of large construction projects, because the corrosion medium of the heat preservation pipeline equipment is various, the working conditions are complex (such as marine environment, saline-alkali soil, marshes and the like), the environments of different parts are different, and the temperature difference is large, therefore, people have higher and higher requirements for the application conditions and service life of the anticorrosion layer, especially under harsh working conditions, the anticorrosion performance such as the extension of the service life, the high and low temperature resistance and the salt fog resistance has higher requirements.

[0004] Corrosion is one of the main reasons for causing pipeline damage and failure, and long-term corrosion of the heat preservation pipeline can damage the stress structure of the pipeline and cause operation safety problems. The environments causing corrosion of metal materials mainly include two categories: one category is natural environment, such as natural atmosphere, ocean, soil and the like, which is a weak corrosion environment; the other category is industrial environment, such as strong corrosive industrial gas and industrial solution and the like. Therefore, in order to improve the service life of the heat preservation pipeline, the anticorrosion layer must have the following basic characteristics: 1, good corrosion resistance; 2, small air permeability and water permeability; 3, good adhesion and certain mechanical strength.

[0005] Therefore, it is necessary to spray the anticorrosion layer on the inner wall of the heat preservation pipeline, but the existing anticorrosion layer spraying device is placed in the heat preservation pipeline by using a roller support device, and then the spraying head device rotating on the roller support device is used to spray the anticorrosion layer on the inner wall of the heat preservation pipeline, wherein the existing roller support device is manually pulled to move on the inner wall of the heat preservation pipeline, but the different pulling rates of the manual pulling result in uneven anticorrosion layer spraying thickness on the inner wall of the heat preservation pipeline, which on the one hand leads to a reduction in the anticorrosion layer spraying effect, and on the other hand leads to waste of the anticorrosion material. SUMMARY

[0006] In view of the above technical problems, the present application provides a heat preservation pipeline anticorrosion layer spraying device, which can conveniently spray the anticorrosion layer on the inner wall of the heat preservation pipeline, and ensures uniform anticorrosion layer spraying on the inner wall of the heat preservation pipeline, improves the spraying effect, and avoids waste of the anticorrosion material.

[0007] In order to achieve the above object, the present application provides the following technical scheme: a thermal insulation pipeline anticorrosive coating spraying device, comprising a mobile column with spraying material inside, a mobile assembly arranged on the mobile column and capable of closely adhering to the inner wall of the thermal insulation pipeline, and a spraying mechanism arranged on one end of the mobile column and capable of rotating along the axis of the mobile column, the spraying mechanism comprising a rotating rod vertically arranged on one end of the mobile column, a first control rod movably arranged on the end of the rotating rod away from the end of the mobile column, a second control rod rotatably connected to one end of the first control rod away from the rotating rod, a rotating block rotatably arranged on one end of the second control rod away from the first control rod, and a spray head assembly arranged on the rotating block, the first control rod, the second control rod, and the rotating block being rotatable on the end surface of the rotating rod; the spray head assembly is used for spraying the spraying material inside the mobile column.

[0008] The spray head assembly comprises a spray head vertically arranged on the side surface of the rotating block, a recovery ring sleeved on the spray head through the inner annular surface and mounted on the rotating block through a connecting block, and a recovery member arranged in the recovery groove; the inner annular surface of the recovery ring is adjacent to the recovery groove at the spray port of the spray head.

[0009] The recovery ring is provided with a liquid collecting groove penetrating the recovery groove, and the recovery member comprises an inclined plate arranged at the connection position of the liquid collecting groove and the recovery groove and in the form of a circular plate, a sealing plate penetrating the liquid collecting groove, a sliding rod arranged in the reset groove, a sliding block sleeved on the sliding rod and fixedly connected with the sealing plate, and a reset spring sleeved on the rod body of the sliding rod, the top end surface of the sealing plate being located at the gap between the inclined plate and the liquid collecting groove, the liquid collecting groove being provided with a reset groove along the vertical direction, and the reset spring being fixedly connected with the groove wall of the reset groove and the sliding block at both ends, respectively.

[0010] Preferably, the recovery ring is provided with a recovery cavity for recovering the spraying material.

[0011] Preferably, one end of the mobile column 1 is provided with a placing groove 2, the bottom wall of the placing groove is provided with a storage column connected with the rotating rod, the end surface of the storage column is provided with a connecting block, the placing groove is movably provided with a liquid storage column, the end surface of the liquid storage column is provided with a connecting groove matched with the connecting block, and the end surface of the liquid storage column away from the connecting groove is provided with a mounting plate detachably mounted with the end surface of the mobile column.

[0012] Preferably, the mobile column is provided with a plurality of limiting grooves in a circumferential array and along the length direction, the mobile assembly comprises a limiting rod arranged in the limiting groove, two linkage rods rotatably connected at the middle part of the rod body, a fixing block and a limiting block arranged at one end of the two linkage rods and movably sleeved on the limiting rod, a driving wheel arranged on the end face of the two linkage rods away from the mobile column, and an adjusting member arranged in the placing groove and driving the plurality of limiting blocks to move in the placing groove; the fixing block is fixedly connected with the groove wall adjacent to the rotating rod side of the limiting groove.

[0013] Preferably, the adjusting member comprises a plurality of adjusting lead screws arranged in the placing groove and in a circumferential array along the length direction, an adjusting ring arranged in the placing groove and fixedly connected with the plurality of limiting blocks on the side surface, and a driving structure arranged on the bottom wall of the placing groove and driving the plurality of adjusting lead screws to rotate, the adjusting ring is sleeved on the plurality of adjusting lead screws, and the adjusting ring is threadedly connected with the plurality of adjusting lead screws.

[0014] The beneficial effects of the present application are as follows: the mobile column is directly placed in the heat preservation pipeline, the mobile assembly arranged on the mobile column facilitates uniform motion of the mobile column in the heat preservation pipeline, thereby facilitating the spraying mechanism arranged on the mobile column to uniformly spray the corrosion-resistant layer on the inner wall of the heat preservation pipeline, the rotating rod facilitates rotation of the first control rod and the second control rod, thereby facilitating rotation of the rotating block nozzle assembly arranged on the second control rod, thereby facilitating spraying on the inner wall of the heat preservation pipeline, the first control rod and the second control rod are rotatably connected, thereby facilitating the nozzle assembly to be adjacent to the inner wall of the heat preservation pipeline when the mobile column is arranged in heat preservation pipelines with different sizes, thereby facilitating the corrosion-resistant material sprayed by the nozzle assembly to be directly sprayed on the inner wall of the pipeline, on the one hand, the spraying thickness on the inner wall of the heat preservation pipeline is uniform, and on the other hand, the situation that the corrosion-resistant material is scattered when the nozzle assembly is far away from the inner wall of the heat preservation pipeline is avoided, the inner wall of the heat preservation pipeline can be conveniently sprayed with the corrosion-resistant layer, the uniformity of the corrosion-resistant layer sprayed on the inner wall of the heat preservation pipeline is ensured, the spraying effect is improved, and the waste of the corrosion-resistant material is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application together with the embodiments thereof, and explain the present application, and do not constitute a limitation of the present application, and in the drawings:

[0016] Figure 1 The present application provides a heat preservation pipeline corrosion-resistant layer spraying device structure schematic view.

[0017] Figure 2 The present application provides a heat preservation pipeline corrosion-resistant layer spraying device structure schematic view.

[0018] Figure 3The internal structure schematic view of the heat preservation pipeline anticorrosive coating spraying device.

[0019] Figure 4 The recycling piece cross section structure schematic view of the present application.

[0020] In the figure: 1, moving column; 2, placing groove; 3, mounting plate; 4, limiting groove; 5, limiting rod; 6, linkage rod; 7, driving wheel; 8, limiting block; 9, rotating rod; 10, first control rod; 11, second control rod; 12, first fixed bolt; 13, rotating block; 14, spray head; 15, recycling ring; 16, liquid storage column; 17, storage column; 18, connecting block; 19, recycling groove; 20, liquid collecting groove; 21, inclined plate; 22, sealing plate; 23, reset groove; 24, sliding rod; 25, reset spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the following will further describe the present application in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present application, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0022] Please refer to Figures 1-4The utility model provides a kind of thermal insulation pipeline anticorrosive layer spraying device, including the mobile column 1 with spraying material being arranged inside, mobile assembly being arranged on mobile column 1 and being closely attached with the inner wall of thermal insulation pipeline, and spraying mechanism being arranged on the end of mobile column 1 and rotating in the axis direction of mobile column 1, spraying mechanism includes the rotating rod 9 being vertically arranged on the end of mobile column 1, the first control rod 10 being movably arranged on the end of rotating rod 9 away from the end of mobile column 1, the second control rod 11 being rotatably connected with the end of first control rod 10 away from the end of rotating rod 9, the rotating block 13 being rotatably arranged on the end of second control rod 11 away from the end of first control rod 10, and the spray head assembly being arranged on rotating block 13, and first control rod 10, second control rod 11 and rotating block 13 rotate on the end surface of rotating rod 9;Spray head assembly is used to spray the spraying material in the inside of mobile column 1, wherein mobile column 1 is directly placed in the inner wall of thermal insulation pipeline, then mobile column 1 is moved at uniform speed in the inner wall of thermal insulation pipeline by mobile assembly arranged on mobile column 1, then first control rod 10, second control rod 11, rotating block 13 and spray head assembly are rotated by rotating rod 9 arranged on the end of mobile column 1, and the rotation angle between first control rod 10 and second control rod 11 is adjusted, so as to conveniently adjust the proximity of spray head assembly and the inner wall of thermal insulation pipeline, then rotating block 13 arranged on second control rod 11 is rotated, so as to conveniently ensure that the spraying direction of spray head assembly is perpendicular to the inner wall of thermal insulation pipeline, so as to conveniently uniformly spray anticorrosive material on the inner wall of thermal insulation pipeline, ensure that anticorrosive material is directly sprayed on the inner wall of thermal insulation pipeline, avoid the splashing of anticorrosive material when spraying, conveniently spray anticorrosive layer on the inner wall of thermal insulation pipeline, and ensure that the anticorrosive layer of the inner wall of thermal insulation pipeline is uniformly sprayed, improve the spraying effect, and avoid the waste of anticorrosive material.

[0023] As Figure 1 , Figure 3 and Figure 4As shown, the spray head assembly comprises a spray head 14 vertically arranged on the side of the rotating block 13, a recovery ring 15 sleeved on the spray head 14 through the inner annular surface and mounted on the rotating block 13 through the connecting block, and a recovery member arranged in the recovery groove 19, wherein the inner annular surface of the recovery ring 15 is adjacent to the recovery groove 19 formed at the spray port of the spray head 14. The spray head 14 is directly adjacent to the inner wall of the heat preservation pipeline vertically, so as to ensure that the spray port of the spray head 14 for spraying the corrosion-proof material is vertical to the inner wall of the heat preservation pipeline, and the corrosion-proof material is directly sprayed onto the inner wall of the heat preservation pipeline, avoiding the splashing and waste of the corrosion-proof material due to the inclined spraying onto the inner wall of the heat preservation pipeline. The recovery ring 15 is sleeved on the spray head 14, and the recovery groove 19 is formed in the inner annular surface of the recovery ring 15, so as to recover the slightly splashed corrosion-proof material on the inner wall of the heat preservation pipeline through the recovery groove 19 when the spray head 14 sprays the corrosion-proof material, thereby recovering the excess corrosion-proof material and avoiding the waste of the corrosion-proof material.

[0024] As shown in Figures 3-4 The recovery ring 15 is provided with a liquid collecting groove 20 communicating with the recovery groove 19, and the recovery member comprises an inclined plate 21 arranged at the connection position of the liquid collecting groove 20 and the recovery groove 19 and in the form of a circular plate, a sealing plate 22 penetrating the liquid collecting groove 20, a sliding rod 24 arranged in a reset groove 23, a sliding block sleeved on the sliding rod 24 and fixedly connected with the sealing plate 22, and a reset spring 25 sleeved on the rod body of the sliding rod 24. The top end surface of the sealing plate 22 is located at the gap between the inclined plate 21 and the liquid collecting groove 20, the groove wall of the liquid collecting groove 20 is provided with the reset groove 23 in the vertical direction, and the two ends of the reset spring 25 are fixedly connected with the groove wall of the reset groove 23 and the sliding block, respectively. When the sealing plate 22 is in contact with the inclined plate 21, the reset spring 25 is in a compressed state. The placing groove 2 is provided with a recovery device connected with the recovery ring 15, which accelerates the speed of the external air entering the liquid collecting groove 20 through the recovery groove 19, so as to suck the splashed corrosion-proof material into the liquid collecting groove 20 when the spray head 14 sprays the corrosion-proof material onto the inner wall of the heat preservation pipeline. The sealing plate 22 arranged on the sliding rod 24 moves away from the sealing plate 22 when recovering the splashed material of the spray head 14, so as to ensure that the sealing plate 22 moves to the position of the inclined plate 21 under the action of the reset spring 25 when the spray head 14 stops spraying, thereby avoiding the corrosion-proof material recovered into the liquid collecting groove 20 from flowing out of the recovery ring 15 through the recovery groove 19, causing the corrosion-proof material to drop onto the inner wall of the heat preservation pipeline, and avoiding the uneven spraying of the corrosion-proof material on the inner wall of the heat preservation pipeline.

[0025] The recovery ring 15 is provided with a recovery cavity for recovering the sprayed material.

[0026] As shown in Figures 1-3As shown, the end face of the mobile column 1 is provided with a placing groove 2, and the bottom wall of the placing groove 2 is provided with a storage column 17 connected with the rotating rod 9. The end face of the storage column 17 is provided with a connecting block 18. The placing groove 2 is movably provided with a liquid storage column 16. The end face of the liquid storage column 16 is provided with a connecting groove matched with the connecting block 18. The end face of the liquid storage column 16 away from the connecting groove is provided with a mounting plate 3 detachably mounted with the end face of the mobile column 1. The corrosion-resistant material in the liquid storage column 16 is directly supplemented. The liquid storage column 16 is movably arranged in the placing groove 2. The connecting groove provided on the end face of the liquid storage column 16 is sleeved on the connecting block 18. Thus, the liquid storage column 16 is connected with the storage column 17. The corrosion-resistant material in the liquid storage column 16 is supplemented. The device continuously performs the corrosion-resistant spraying on the inner wall of the heat preservation pipeline.

[0027] The side face of the mobile column 1 is circumferentially arranged and provided with a plurality of limiting grooves 4 penetrating through the placing groove 2 along the length direction. The mobile assembly comprises a limiting rod 5 arranged in the limiting groove 4, two linkage rods 6 rotatably connected through the middle part of the rod body, a fixing block and a limiting block 8 movably sleeved on the limiting rod 5 and arranged on one end of the two linkage rods 6, a driving wheel 7 arranged on the end face of the two linkage rods 6 away from the mobile column 1, and an adjusting member arranged in the placing groove 2 and driving the plurality of limiting blocks 8 to move in the placing groove 2. The fixing block is fixedly connected with the groove wall on the side of the rotating rod 9 adjacent to the limiting groove. The driving wheel 7 is driven by a driving motor.

[0028] The adjusting member comprises a plurality of adjusting lead screws arranged in the placing groove 2 along the length direction and circumferentially arranged, an adjusting ring arranged in the placing groove 2 and fixedly connected with the plurality of limiting blocks 8 on the side face, and a driving structure arranged on the bottom wall of the placing groove 2 and driving the plurality of adjusting lead screws to rotate. The adjusting ring is sleeved on the plurality of adjusting lead screws, and the adjusting ring is threadedly connected with the plurality of adjusting lead screws.

[0029] As shown, Figures 1-3 The plurality of adjusting lead screws are driven to rotate by the motor. Thus, the adjusting ring arranged in the placing groove 2 is driven to move in the placing groove 2. Thus, the plurality of limiting blocks 8 sleeved on the limiting rod 5 are driven to synchronously move on the limiting rod 5. Thus, the two-by-two connected linkage rods 6 are adjusted to rotate. Thus, the driving wheel 7 arranged on the end part of the linkage rod 6 is adjusted to tightly abut against the inner wall of the heat preservation pipeline. Thus, it is ensured that the mobile column 1 can move in different heat preservation pipelines. Thus, it is ensured that the inner wall of the heat preservation pipeline of different sizes is sprayed. The corrosion-resistant layer on the inner wall of the heat preservation pipeline can be conveniently sprayed. It is ensured that the corrosion-resistant layer on the inner wall of the heat preservation pipeline is uniformly sprayed. The spraying effect is improved. The waste of the corrosion-resistant material is avoided.

[0030] The first control rod 10 and the second control rod 11 are fixed by the first fixing bolt 12, and the second control rod 11 and the rotating block 13 are fixed by the second fixing bolt 12.

[0031] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A spraying device for anti-corrosion coating of thermal insulation pipes, comprising a movable column (1) internally provided with spraying material, a movable component disposed on the movable column (1) and capable of tightly fitting the inner wall of the thermal insulation pipe, and a spraying mechanism disposed on one end of the movable column (1) and rotating about the axis of the movable column (1), characterized in that, The spraying mechanism includes a rotating rod (9) with one end vertically mounted on one end of a moving column (1), a first control rod (10) movably mounted on the end of the rotating rod (9) away from the moving column (1), a second control rod (11) rotatably connected to the end of the first control rod (10) away from the rotating rod (9), a rotating block (13) rotatably mounted on the end of the second control rod (11) away from the first control rod (10), and a spray head assembly mounted on the rotating block (13). The first control rod (10), the second control rod (11), and the rotating block (13) rotate on the end face of the vertical rotating rod (9). The spray head assembly is used to spray the spraying material inside the moving column (1). The nozzle assembly includes a nozzle (14) vertically disposed on the side of the rotating block (13), a recovery ring (15) sleeved on the nozzle (14) through an inner ring surface and mounted on the rotating block (13) through a connecting block, a recovery groove (19) opened on the inner ring surface of the recovery ring (15) near the nozzle (14) nozzle orifice, and a recovery component disposed in the recovery groove (19); The recovery ring (15) has a liquid collection tank (20) that communicates with the recovery tank (19). The recovery component includes an inclined plate (21) in the shape of a circular plate, which is set at the connection position between the liquid collection tank (20) and the recovery tank (19), a sealing plate (22) passing through the liquid collection tank (20), a reset groove (23) opened in the vertical direction on the wall of the liquid collection tank (20), a slide rod (24) set in the reset groove (23), a slider sleeved on the slide rod (24) and fixedly connected to the sealing plate (22), and a reset spring (25) sleeved on the slide rod (24). The top end face of the sealing plate (22) is located in the gap between the inclined plate (21) and the liquid collection tank (20). The two ends of the reset spring (25) are fixedly connected to the wall of the reset groove (23) and the slider, respectively. When the sealing plate (22) is in contact with the inclined plate (21), the reset spring (25) is in a compressed state. The moving column (1) has a placement groove (2) on one end face. A recycling device connected to the recycling ring (15) is installed in the placement groove (2) to accelerate the speed at which external air enters the liquid collection tank (20) through the recycling groove (19).

2. The device for spraying anti-corrosion coating on insulated pipes according to claim 1, characterized in that: The recycling ring (15) is equipped with a recycling chamber for recycling the sprayed material.

3. The device for spraying anti-corrosion coating on insulated pipes according to claim 2, characterized in that: A storage column (17) connected to a rotating rod (9) is provided on the bottom wall of the placement tank (2). A connecting block (18) is provided on the end face of the storage column (17). A liquid storage column (16) is movably inserted in the placement tank (2). A connecting groove that cooperates with the connecting block (18) is provided on the end face of the liquid storage column (16). An installation plate (3) that can be detachably installed with the end face of the movable column (1) is provided on the end face of the liquid storage column (16) away from the connecting groove.

4. The device for spraying anti-corrosion coating on insulated pipes according to claim 3, characterized in that: The movable column (1) has a circular array on its side and multiple limiting grooves (4) that are connected to the placement groove (2) along its length. The movable component includes a limiting rod (5) set in the limiting groove (4), two linkage rods (6) rotatably connected through the middle of the rod body, a fixing block and a limiting block (8) set on one end of the two linkage rods (6) and respectively movably sleeved on the limiting rod (5), a drive wheel (7) set on the end face of the two linkage rods (6) away from the movable column (1), and an adjusting component set in the placement groove (2) and driving multiple limiting blocks (8) to move in the placement groove (2). The fixing block is fixedly connected to the groove wall of the limiting groove near the rotating rod (9).

5. The device for spraying anti-corrosion coating on insulated pipes according to claim 4, characterized in that: The adjusting component includes multiple adjusting screws arranged in a circular array along the length direction in the placement groove (2), an adjusting ring arranged in the placement groove (2) and fixedly connected to multiple limiting blocks (8) on the side, and a driving structure arranged on the bottom wall of the placement groove (2) to drive the multiple adjusting screws to rotate. The adjusting ring is sleeved on the multiple adjusting screws and is threadedly connected to the multiple adjusting screws.

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