CN215943692U - Large-scale insulating tube production line overall arrangement system - Google Patents
Large-scale insulating tube production line overall arrangement system Download PDFInfo
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- CN215943692U CN215943692U CN202121612680.4U CN202121612680U CN215943692U CN 215943692 U CN215943692 U CN 215943692U CN 202121612680 U CN202121612680 U CN 202121612680U CN 215943692 U CN215943692 U CN 215943692U
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Abstract
A large-scale heat preservation pipe production line overall arrangement system comprises a hydraulic lifting pipe conveying vehicle, a steel pipe conveying line, working steel pipe pre-cleaning treatment equipment, polyurethane spraying equipment, polyethylene winding equipment and heat preservation pipe workpiece post-treatment equipment; the device comprises a production workshop, a working steel pipe pre-cleaning treatment device, a polyurethane spraying device and a control system, wherein the production workshop is provided with a production area I and a production area II, the production area I is positioned on the outer side edge of the production workshop, and the polyurethane spraying device is positioned in the production area II; the polyethylene winding equipment and the heat preservation pipe workpiece post-processing equipment are arranged in an operation area III behind an operation area II; the steel pipe conveying line is used for realizing linear conveying of workpieces; the lifting pipe transporting vehicle is used for transferring workpieces on different steel pipe conveying lines. The utility model realizes the matching of the working cycle of the polyurethane spraying and polyethylene winding working procedures, and achieves the purposes of improving the production efficiency of the prefabricated heat-insulating pipe and reducing the production cost.
Description
Technical Field
The utility model relates to a production line of thermal insulation pipes, in particular to a system capable of realizing integral arrangement of a large-scale production line of thermal insulation pipes.
Background
The pipeline transportation is widely applied to modern society as a safe and convenient transportation mode, and especially occupies a leading position in the fields of long-distance oil and gas transportation, water supply, heat supply and the like, thereby bringing great convenience to production and life of people. The prefabricated heat-insulating pipe is a carrier for conveying medium in pipeline transportation, can be prefabricated in factory, can be laid and connected in the construction site, and has the characteristics of simple and quick construction, low comprehensive cost and the like.
A prefabricated heat-insulating pipe consisting of a working steel pipe, a polyurethane heat-insulating layer and a polyethylene outer protective layer is characterized in that a production line is automatically controlled to complete a factory production process by adopting polyurethane spraying and polyethylene winding processes, but the production cycle of the polyurethane spraying process is longer than that of the polyethylene winding process because the production beats of the polyurethane spraying and polyethylene winding processes are inconsistent in the production process, and the polyurethane spraying equipment and the polyethylene winding equipment on the existing production line adopt a one-to-one configuration mode, so that the problem that the polyethylene winding equipment needs to be stopped for waiting after the completion of one operation cycle is solved, the polyethylene winding equipment on the production line cannot continuously operate, the production efficiency is reduced, and the production cost is improved due to frequent switching of the operation and the stop state of the polyethylene winding equipment.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integral arrangement system of a large-scale heat-insulating pipe production line, aiming at realizing coordination and matching among different procedures in the production process through reasonable layout of production equipment and design of a connection structure, and achieving the purposes of ensuring the integral continuous operation of the heat-insulating pipe production line, improving the production efficiency of prefabricated heat-insulating pipes and reducing the production cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a large-scale heat preservation pipe production line overall arrangement system comprises a hydraulic lifting pipe conveying vehicle, a steel pipe conveying line, working steel pipe pre-cleaning treatment equipment, polyurethane spraying equipment, polyethylene winding equipment and heat preservation pipe workpiece post-treatment equipment; the device comprises a production workshop, a working steel pipe pre-cleaning treatment device, a polyurethane spraying device and a control system, wherein the production workshop is provided with a production area I and a production area II, the production area I is positioned on the outer side edge of the production workshop, and the polyurethane spraying device is positioned in the production area II; the polyethylene winding equipment and the heat preservation pipe workpiece post-processing equipment are arranged in an operation area III behind an operation area II; the steel pipe conveying line comprises a workpiece upper pipe conveying line, a spraying operation workpiece conveying line and a winding operation workpiece conveying line and is used for realizing linear conveying of workpieces in different working procedures; the lifting pipe transporting vehicle is arranged among different steel pipe conveying lines and used for transferring workpieces among the different steel pipe conveying lines.
In the overall arrangement system of the large-scale heat-insulating pipe production line, each set of polyurethane spraying equipment is provided with a spraying machine, a spraying chamber, a ventilation system and a workpiece moving rotating vehicle; the spraying chamber is arranged above the middle part of the workpiece conveying line for spraying operation, a spray gun of the spraying machine penetrates into the spraying chamber, and a ventilation system is arranged at the top of the spraying chamber; the workpiece moving and rotating vehicle is arranged on a spraying operation workpiece conveying line, and one working steel pipe workpiece is carried by the two workpiece moving and rotating vehicles, so that the linear movement and the rotation around the central axis of the working steel pipe in the spraying process are realized.
In the overall arrangement system of the large-scale heat-preservation pipe production line, four sprayed workpiece storage areas, namely an area A, an area B, an area C and an area D, are arranged in an operation area II of the production workshop; the region A and the region C are positioned on the inner side of a spraying operation workpiece conveying line of one set of polyurethane spraying equipment and are symmetrically arranged on the front side and the rear side of the polyurethane spraying equipment, and the region B and the region D are positioned on the inner side of a spraying operation workpiece conveying line of the other set of polyurethane spraying equipment and are symmetrically arranged on the front side and the rear side of the other set of polyurethane spraying equipment.
According to the overall arrangement system of the large-scale heat-preservation pipe production line, the polyethylene winding equipment adopts a PE double-machine co-extruder and is provided with an automatic pipe feeding system and two single-screw extruders connected in parallel.
In the overall arrangement system of the large-scale heat-insulating pipe production line, the heat-insulating pipe workpiece post-processing equipment comprises water spraying equipment, an online PE cutting machine and a pipe end cutting machine; the water spraying equipment is a spraying room arranged behind the polyethylene winding equipment, and an exhaust system is arranged at the top of the spraying room.
According to the overall arrangement system of the large-scale heat-preservation pipe production line, the online PE cutting machine is arranged behind the water spraying equipment and used for automatically cutting off the PE layer of the workpiece on line.
According to the overall arrangement system of the large-scale heat-insulating pipe production line, the pipe end cutting machine is arranged at the tail of the heat-insulating pipe production line and used for cutting the PE layer of the pipe end after off-line, so that the exposed length of the pipe end working steel pipe is 150-250 mm.
In the overall arrangement system of the large-scale heat-insulating pipe production line, the working steel pipe pre-cleaning treatment equipment comprises steel pipe outer wall shot blasting equipment and steel pipe inner wall sweeping equipment; the steel pipe outer wall shot blasting cleaning equipment is arranged in the middle of the pipe conveying line on the workpiece, and a dust purification system is configured on the steel pipe outer wall shot blasting cleaning equipment.
According to the overall arrangement system of the large-scale heat-preservation pipe production line, the steel pipe inner wall blowing equipment is arranged between the workpiece upper pipe conveying line and the spraying operation workpiece conveying line, and the pulse back-blowing filter cartridge dust remover is arranged on the steel pipe inner wall blowing equipment.
The whole arrangement system of the large-scale heat-preservation pipe production line is further provided with a medium-frequency preheating device, wherein the medium-frequency preheating device is arranged on the inner side of the spraying operation workpiece conveying line and used for removing attachments such as moisture and the like on the surface of the working steel pipe, so that the temperature of the outer surface of the working steel pipe is kept to be higher than the dew point temperature by at least 3 ℃.
The utility model relates to an integral arrangement system of a large-scale heat preservation pipe production line, wherein a heat preservation pipe consists of a working steel pipe for conveying a medium, a polyurethane foam heat preservation layer and a polyethylene outer protective layer, in order to match the heat preservation pipe production line with a polyurethane spraying polyethylene winding process, the heat preservation pipe production line is provided with a working steel pipe pre-cleaning treatment device, a polyurethane spraying device, a polyethylene winding device and a heat preservation pipe workpiece post-treatment device, and the integral arrangement system is characterized in that: two sets of working steel pipe pre-cleaning treatment equipment and polyurethane spraying equipment are symmetrically arranged, and sprayed workpiece storage areas are respectively arranged on the front side and the rear side of the two sets of polyurethane spraying equipment, so that four sprayed workpiece storage areas capable of being used for installing pipes on polyethylene winding equipment are formed, and the problem that the polyethylene winding equipment needs to be stopped for waiting after one operation period is finished is solved; the polyethylene winding equipment adopts a PE double-machine co-extruder, is provided with two single screw extruders connected in parallel, can be operated by the two single screw extruders simultaneously in the production process of the large-diameter heat-insulating pipe, and can be independently operated by the other extruder particularly when one extruder breaks down, thereby realizing the operation without stopping the machine. In a word, the utility model realizes the coordination and matching among different procedures in the production process by the reasonable layout of the production equipment and the design of the connection structure, and achieves the aims of ensuring the overall continuous operation of the production line of the heat preservation pipe, improving the production efficiency of the prefabricated heat preservation pipe and reducing the production cost.
Drawings
FIG. 1 is a plan layout view of an overall layout system of a large-scale heat preservation pipe production line according to the present invention;
fig. 2 is a plan layout view of a polyurethane spraying device, a polyethylene winding device and four sprayed workpiece storage areas for tubes of the polyethylene winding device.
The list of labels in the figure is:
1. a hydraulic lifting pipe transporting vehicle; 2. a workpiece upper pipe conveying line; 3. shot blasting equipment for the outer wall of the steel pipe; 4. Cleaning equipment for the inner wall of the steel pipe; 5. a workpiece conveying line for spraying operation; 6. an intermediate frequency preheating device; 7. 7-1 parts of polyurethane spraying equipment, 7-2 parts of a workpiece moving rotating vehicle, 7-3 parts of a spraying chamber and a ventilation system and 7-3 parts of a spraying machine; 8. Winding operation workpiece conveying lines; 9. polyethylene winding equipment; 10. a water spray device; 11. an online PE cutting machine; 12. a pipe end cutting machine; 13. and (5) insulating pipe workpieces.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
Referring to fig. 1, the overall arrangement system of the large-scale heat preservation pipe production line comprises a hydraulic lifting pipe conveying vehicle 1, a steel pipe conveying line, working steel pipe pre-cleaning treatment equipment, polyurethane spraying equipment 7, polyethylene winding equipment 9 and heat preservation pipe workpiece post-treatment equipment; the device comprises a production workshop, a working steel pipe pre-cleaning treatment device, a polyurethane spraying device 7, a working steel pipe pre-cleaning treatment device, a polyurethane spraying device and a control system, wherein the working steel pipe pre-cleaning treatment device and the polyurethane spraying device 7 are symmetrically arranged in two sets, the working steel pipe pre-cleaning treatment device is arranged in a working area I located on the outer side edge of the production workshop, and the polyurethane spraying device 7 is arranged in a working area II located on the inner side of the working area I; the polyethylene winding equipment 9 and the heat preservation pipe workpiece post-processing equipment are arranged in an operation area III behind the operation area II; the steel pipe conveying line comprises a workpiece upper pipe conveying line 2, a spraying operation workpiece conveying line 5 and a winding operation workpiece conveying line 8 and is used for realizing linear conveying of workpieces; the lifting pipe transporting vehicle 1 is arranged between different steel pipe conveying lines and used for transferring workpieces on the different steel pipe conveying lines.
Referring to fig. 1 and 2, in the overall arrangement system of the large-scale heat preservation pipe production line, each set of polyurethane spraying equipment 7 is provided with a spraying machine 7-3, a spraying chamber and ventilation system 7-2 and a workpiece moving rotary vehicle 7-1; the spraying chamber is arranged above the middle part of the spraying operation workpiece conveying line 5, a spray gun of the spraying machine 7-3 penetrates into the spraying chamber, and a ventilation system is arranged at the top of the spraying chamber; the workpiece moving and rotating vehicle 7-1 is arranged on the spraying operation workpiece conveying line 5, and a working steel pipe workpiece is carried by the two workpiece moving and rotating vehicles 7-1, so that the linear movement and the rotation around the central axis of the working steel pipe in the spraying process are realized. Four sprayed workpiece storage areas, namely an area A, an area B, an area C and an area D, are arranged in an operation area II of the production workshop; the region A and the region C are located on the inner side of a spraying operation workpiece conveying line 5 matched with one set of polyurethane spraying equipment 7 and are symmetrically arranged on the front side and the rear side of the polyurethane spraying equipment 7, the region B and the region D are located on the inner side of a spraying operation workpiece conveying line of the other set of polyurethane spraying equipment and are symmetrically arranged on the front side and the rear side of the other set of polyurethane spraying equipment. The polyethylene winding equipment 9 adopts a PE double-machine co-extruder and is provided with an automatic feeding system and two single screw extruders connected in parallel.
Referring to fig. 1, the overall arrangement system of the large-scale heat preservation pipe production line of the utility model comprises a water spraying device 10, an online PE cutting machine 11 and a pipe end cutting machine 12; the water spraying device 10 is a spraying room arranged behind the polyethylene winding device 9, and an exhaust system is arranged at the top of the spraying room; the online PE cutting machine 11 is arranged behind the water spraying device 10 and used for automatically cutting off the PE layer of the workpiece on line; the pipe end cutting machine 12 is arranged at the tail part of the production line of the heat preservation pipe and used for cutting a PE layer of a pipe end after off-line, and the exposed length of a pipe end working steel pipe is 150-250 mm.
Referring to fig. 1, the working steel pipe pre-cleaning treatment equipment of the overall arrangement system of the large-scale heat preservation pipe production line comprises steel pipe outer wall shot blasting equipment 3 and steel pipe inner wall sweeping equipment 4; the steel pipe outer wall shot blasting cleaning equipment 3 is arranged in the middle of the workpiece upper pipe conveying line 2, and a dust purification system is configured on the steel pipe outer wall shot blasting cleaning equipment 3; the steel pipe inner wall purging device 4 is arranged between the workpiece upper pipe conveying line 2 and the spraying operation workpiece conveying line 5, and a pulse back-blowing filter cartridge dust remover is arranged on the steel pipe inner wall purging device 4.
Referring to fig. 1 and 2, the overall arrangement system of the large-scale heat preservation pipe production line is further provided with a medium-frequency preheating device 6, wherein the medium-frequency preheating device 6 is arranged on the inner side of the spraying operation workpiece conveying line 5 and is used for removing attachments such as moisture and the like on the surface of a working steel pipe and keeping the temperature of the outer surface of the working steel pipe higher than the dew point temperature by at least 3 ℃.
Referring to fig. 1 and 2, the utility model provides an overall arrangement system for a large-scale heat preservation pipe production line, which is symmetrically provided with two sets of working steel pipe pre-cleaning treatment equipment and polyurethane spraying equipment 7, wherein the two sets of polyurethane spraying equipment 7 are matched with polyethylene winding equipment 9, and the front side and the rear side of the two sets of polyurethane spraying equipment 7 are respectively provided with a sprayed workpiece storage area, so that four sprayed workpiece storage areas capable of being used for mounting pipes on the polyethylene winding equipment 9 are formed, and after the polyethylene winding equipment 9 completes one working cycle, workpieces in any sprayed workpiece storage area can be alternately selected by an automatic control system to be mounted pipes on the polyethylene winding equipment 9, so that the problem that the polyethylene winding equipment 9 needs to be stopped for waiting after the completion of one working cycle is avoided; the polyethylene winding equipment 9 adopts a PE double-machine co-extruder, is provided with two single screw extruders connected in parallel, can be operated by the two single screw extruders simultaneously in the production process of the large-diameter heat-insulating pipe, and can be independently operated by the other extruder particularly when one extruder breaks down, thereby realizing the operation without stopping the machine.
Claims (10)
1. The utility model provides a large-scale insulating tube production line whole arrangement system which characterized by: the device comprises a hydraulic lifting pipe conveying vehicle (1), a steel pipe conveying line, working steel pipe pre-cleaning treatment equipment, polyurethane spraying equipment (7), polyethylene winding equipment (9) and heat preservation pipe workpiece post-treatment equipment; the device comprises a production workshop, a working steel pipe pre-cleaning treatment device, a polyurethane spraying device (7), a working steel pipe pre-cleaning treatment device and a polyurethane spraying device (7), wherein the working steel pipe pre-cleaning treatment device and the polyurethane spraying device (7) are symmetrically arranged in two sets, the working steel pipe pre-cleaning treatment device is arranged in a working area I located on the outer side edge of the production workshop, and the polyurethane spraying device (7) is arranged in a working area II located on the inner side of the working area I; the polyethylene winding equipment (9) and the heat preservation pipe workpiece post-processing equipment are arranged in an operation area III behind an operation area II; the steel pipe conveying line comprises a workpiece upper pipe conveying line (2), a spraying operation workpiece conveying line (5) and a winding operation workpiece conveying line (8) and is used for realizing linear conveying of workpieces in different working procedures; the lifting pipe conveying vehicle (1) is arranged between different steel pipe conveying lines and used for transferring workpieces on the different steel pipe conveying lines.
2. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 1, which is characterized in that: each set of polyurethane spraying equipment (7) is provided with a spraying machine (7-3), a spraying chamber and ventilation system (7-2) and a workpiece moving rotating vehicle (7-1); the spraying chamber is arranged above the middle part of the spraying operation workpiece conveying line (5), a spray gun of the spraying machine (7-3) penetrates into the spraying chamber, and a ventilation system is arranged at the top of the spraying chamber; the workpiece moving and rotating vehicle (7-1) is arranged on the spraying operation workpiece conveying line (5), and one working steel pipe workpiece is carried by the two workpiece moving and rotating vehicles (7-1), so that the linear movement and the rotation around the central axis of the working steel pipe in the spraying process are realized.
3. The overall arrangement system of the large-scale heat preservation pipe production line according to claim 1 or 2, which is characterized in that: four sprayed workpiece storage areas, namely an area A, an area B, an area C and an area D, are arranged in an operation area II of the production workshop; the region A and the region C are located on the inner side of a spraying operation workpiece conveying line (5) matched with one set of polyurethane spraying equipment (7) and are symmetrically arranged on the front side and the rear side of the polyurethane spraying equipment (7), and the region B and the region D are located on the inner side of a spraying operation workpiece conveying line of the other set of polyurethane spraying equipment and are symmetrically arranged on the front side and the rear side of the other set of polyurethane spraying equipment.
4. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 3, which is characterized in that: the polyethylene winding equipment (9) adopts a PE double-machine co-extruder and is provided with an automatic pipe feeding system and two single screw extruders connected in parallel.
5. The overall arrangement system of a large-scale heat preservation pipe production line according to claim 1, wherein the heat preservation pipe workpiece post-processing equipment comprises water spraying equipment (10), an online PE cutting machine (11) and a pipe end cutting machine (12); the water spraying device (10) is a spraying room arranged behind the polyethylene winding device (9), and an exhaust system is arranged at the top of the spraying room.
6. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 5, which is characterized in that: the online PE cutting machine (11) is arranged behind the water spraying device (10) and used for automatically cutting off the PE layer of the workpiece online.
7. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 5, which is characterized in that: the pipe end cutting machine (12) is arranged at the tail of the heat preservation pipe production line and used for cutting a PE layer of a pipe end after off-line, and the exposed length of a pipe end working steel pipe is 150-250 mm.
8. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 1, which is characterized in that: the working steel pipe pre-cleaning treatment equipment comprises steel pipe outer wall shot blasting equipment (3) and steel pipe inner wall sweeping equipment (4); the steel pipe outer wall shot blasting cleaning equipment (3) is arranged in the middle of the workpiece upper pipe conveying line (2), and a dust purification system is configured on the steel pipe outer wall shot blasting cleaning equipment (3).
9. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 8, which is characterized in that: the steel pipe inner wall blowing equipment (4) is arranged between the workpiece upper pipe conveying line (2) and the spraying operation workpiece conveying line (5), and the pulse back blowing filter cartridge dust remover is configured on the steel pipe inner wall blowing equipment (4).
10. The integral arrangement system of the large-scale heat preservation pipe production line according to claim 1, which is characterized in that: the device is also provided with a medium-frequency preheating device (6), wherein the medium-frequency preheating device (6) is arranged on the inner side of the spraying operation workpiece conveying line (5) and is used for removing moisture on the surface of the working steel pipe and keeping the temperature of the outer surface of the working steel pipe to be higher than the dew point temperature by at least 3 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121612680.4U CN215943692U (en) | 2021-07-15 | 2021-07-15 | Large-scale insulating tube production line overall arrangement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121612680.4U CN215943692U (en) | 2021-07-15 | 2021-07-15 | Large-scale insulating tube production line overall arrangement system |
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| CN215943692U true CN215943692U (en) | 2022-03-04 |
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| CN202121612680.4U Active CN215943692U (en) | 2021-07-15 | 2021-07-15 | Large-scale insulating tube production line overall arrangement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008801A (en) * | 2022-06-10 | 2022-09-06 | 唐山兴邦管道工程设备有限公司 | Prefabricated insulating tube production line with socket plug |
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2021
- 2021-07-15 CN CN202121612680.4U patent/CN215943692U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008801A (en) * | 2022-06-10 | 2022-09-06 | 唐山兴邦管道工程设备有限公司 | Prefabricated insulating tube production line with socket plug |
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