CN-119189250-B - Lining pipe in heating power pipeline and lining pipe production equipment with heat insulation effect

CN119189250BCN 119189250 BCN119189250 BCN 119189250BCN-119189250-B

Abstract

The invention belongs to the technical field of lining pipe production equipment, and mainly provides a heating pipeline lining pipe with heat insulation effect and lining pipe production equipment. Including extrusion device, extrusion device is provided with the sleeve, the sleeve rigid coupling has circumference evenly distributed's first hard tube, first hard tube intercommunication has the atomising head, circumference evenly distributed first hard tube intercommunication has first annular shell jointly, first annular shell intercommunication has the second hard tube, the second hard tube intercommunication has the coupling shell, the sleeve intercommunication has circumference evenly distributed's third hard tube, circumference evenly distributed the third hard tube intercommunication has the second annular shell jointly, the sleeve rigid coupling has the fan. According to the invention, the spraying heads uniformly distributed in the circumferential direction are used for spraying water on the surface of the lining pipe, and the fan is used for preventing the water attached to the surface of the lining pipe from flowing downwards, so that the uneven cooling of the lining pipe caused by downward movement of the water flow of the lining pipe is avoided, and the reduction of mechanical strength of the lining pipe during production is further prevented.

Inventors

GAO XIANG
Zou huashan
ZHOU LEI
CHEN SHUANGPING
GUO JIE

Assignees

江苏爱索新材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20241011

Claims (4)

1. The lining pipe production equipment comprises an extrusion device (1), wherein one side of the extrusion device (1) is provided with a sleeve (2), a first hard pipe (3) which is uniformly distributed in the circumferential direction is fixedly connected with the sleeve (2), the first hard pipe (3) penetrates through the sleeve (2), one side of the first hard pipe (3) which is positioned in the sleeve (2) is communicated with a spray head (4), the lining pipe production equipment is characterized by also comprising a first annular shell (5), the first annular shell (5) is fixedly connected with the first hard pipe (3) which is uniformly distributed in the circumferential direction, the first annular shell (5) is communicated with a second hard pipe (6), one side, which is far away from the first annular shell (5), of the second hard pipe (6) is communicated with a connecting shell (7), the connecting shell (7) is communicated with a water supply device, the sleeve (2) is communicated with a third hard pipe (8) which is uniformly distributed in the circumferential direction, the third hard pipe (8) which is uniformly distributed in the circumferential direction is communicated with a second annular shell (9), the first annular shell (5) is fixedly connected with an air inlet (10), and the second annular shell (10) is fixedly connected with an air inlet (10); the sleeve (2) is in a horn shape at one side close to the extrusion device (1) and is used for increasing the air inlet quantity at one side of the sleeve (2) close to the extrusion device (1); The side, close to the extrusion device (1), of the sleeve (2) is subjected to diameter reduction treatment, and the diameter reduction treatment is used for increasing the flow rate of gas when the gas enters the sleeve (2); the spray heads (4) which are uniformly distributed in the circumferential direction are inclined to one side close to the extrusion device (1); the diameters of the third hard pipes (8) which are uniformly distributed in the circumferential direction are sequentially reduced from top to bottom; An adjusting plate (11) is slidably connected in the connecting shell (7), and the adjusting plate (11) is used for changing the communication area of the connecting shell (7); One side rigid coupling of coupling shell (7) has fixed shell (12), fixed shell (12) sliding connection have will coupling shell (7) run through slider (13), slider (13) with regulating plate (11) rigid coupling, sleeve (2) are provided with cavity (201), annotate in cavity (201) and have hot expanding gas, cavity (201) with pass through hose intercommunication between fixed shell (12).
2. The lining pipe production equipment according to claim 1, wherein the spray head (4) is located at one side of the sleeve (2) away from the extrusion device (1), the communication position of the third hard pipe (8) and the sleeve (2) is located at one side of the sleeve (2) away from the extrusion device (1), and the water outlet side of the spray head (4) which is uniformly distributed in the circumferential direction and the air inlet side of the third hard pipe (8) which is uniformly distributed in the circumferential direction are located on the same vertical plane.
3. The lining pipe production equipment according to claim 2, wherein a sliding plate (14) is connected in a sliding manner in the fixed shell (12), a spring is arranged between the sliding plate (14) and the sliding piece (13), a threaded rod (15) is connected to one side, far away from the connecting shell (7), of the fixed shell (12) in a threaded manner, and the threaded rod (15) is connected with the sliding plate (14) in a rotating manner.
4. The lining pipe for the thermal pipeline with the heat insulation effect is produced by adopting the lining pipe production equipment according to claim 3, and is characterized by comprising a lining pipe, wherein the lining pipe is made of a composite structure of reinforced fibers and dynamic vulcanized elastomer, the lining pipe is formed by one-step forming and coextrusion, and the inner coating layer and the outer coating layer are of the dynamic vulcanized elastomer.

Description

Lining pipe in heating power pipeline and lining pipe production equipment with heat insulation effect Technical Field The invention relates to a heating pipeline lining pipe with heat insulation effect and lining pipe production equipment, which are in accordance with the technical field of lining pipe production equipment. Background A liner tube is a special type of pipe, usually made of composite material, and inserted inside a pipe of another material to provide additional protection or to improve certain performance characteristics of the pipe, for example, some materials are capable of providing the liner tube with insulation and heat preservation effects, production equipment of the liner tube usually includes a series of specially designed mechanical devices which cooperate to ensure product quality and production efficiency, several main devices common in the production of plastic liners include an extrusion device, a cooling device, a traction device and the like, the extrusion device is a machine for extruding plastic particles into a tubular product through a die of a specific shape after heating and plasticizing the plastic particles into a molten state, and the extruded pipe needs to immediately enter a cooling system, and the traction device is used for continuously drawing out the molded pipe and delivering it to the next process. When the existing cooling device cools the lining pipe, the mode of pouring cold water from top to bottom on the lining pipe is adopted, but when the cold water contacts with the lining pipe, the upper side of the lining pipe is directly contacted with the cold water, the water temperature rises after heat exchange and flows down along the lining pipe, the warmed water exchanges heat with the lower side of the lining pipe to cool, so that the upper side and the lower side of the lining pipe are different in cooling efficiency, the mechanical strength of the lining pipe is reduced, and the overall structural strength and the service life of the plastic lining pipe are reduced. Disclosure of Invention In order to overcome the defect of uneven cooling when the prior device produces the lining pipe, the invention provides the lining pipe of the heating pipeline with the heat insulation effect and the lining pipe production equipment. According to the technical scheme, the lining pipe production equipment comprises an extrusion device, one side of the extrusion device is provided with a sleeve, a first hard pipe which is uniformly distributed in the circumferential direction is fixedly connected with the sleeve, the first hard pipe penetrates through the sleeve, one side of the first hard pipe, which is positioned in the sleeve, is communicated with a spray head, the first hard pipe which is uniformly distributed in the circumferential direction is jointly communicated with a first annular shell, the first annular shell is communicated with a second hard pipe, one side, which is far away from the first annular shell, of the second hard pipe is communicated with a connecting shell, the connecting shell is communicated with a water supply device, the sleeve is communicated with a third hard pipe which is uniformly distributed in the circumferential direction, the third hard pipe is jointly communicated with a second annular shell, the sleeve is fixedly connected with a fan, an air inlet of the fan is communicated with the second annular shell, and an air outlet of the fan is communicated with the outside. Further, the spraying head is located at one side of the sleeve away from the extrusion device, the communication position of the third hard tube and the sleeve is located at one side of the sleeve away from the extrusion device, and the water outlet side of the spraying head and the air inlet side of the third hard tube which are evenly distributed in the circumferential direction are located on the same vertical plane. Further, the sleeve is in a horn shape at one side close to the extrusion device, and is used for increasing the air inlet quantity at one side of the sleeve close to the extrusion device. Further, the sleeve is reduced in diameter on a side of the sleeve adjacent to the extrusion device for increasing the flow rate of the gas entering the sleeve. Further, the spray heads uniformly distributed in the circumferential direction are inclined toward the side close to the extrusion device. Further, the diameters of the third hard tubes uniformly distributed circumferentially decrease in sequence from top to bottom. Further stated, an adjusting plate is slidably connected to the connection housing, and the adjusting plate is used for changing the communication area of the connection housing. Further, a fixing shell is fixedly connected to one side of the connecting shell, a sliding piece penetrating through the connecting shell is slidably connected to the fixing shell, the sliding piece is fixedly connected with the adjusting plate, the sleeve is provided wi