Hot steam circulation internal and external heating device for pipeline repair lining pipe reel

Abstract

The utility model discloses a pipeline repair lining pipe reel hot steam circulation internal and external heating device which comprises a steam box, one end of the steam box is provided with a feeding port, the other end, opposite to the feeding port, of the steam box is provided with a main discharging port, multiple rows of up-down supporting rollers are arranged in the steam box, and pushing rollers are arranged on one sides of the progressive ends of the up-down adjacent supporting rollers. The supporting roller and the pushing roller are rotationally installed on the inner side of the steam box, meanwhile, the pushing roller is driven by the driving device to rotate, an original pipe of the lining pipe is conveyed in through the feeding port and gradually conveyed through the supporting roller and the pushing roller, and in the process, the steam spraying plate continuously conveys the original pipe of the lining pipe in cooperation with continuous conveying of the steam circulation output assembly. The upper surface and the lower surface of the lining pipe are subjected to close-range high-temperature baking and spraying through the air holes, so that the heating rate and the heating uniformity of the pipe body are effectively improved, meanwhile, the standing time of the lining pipe in the box can be prolonged through upper and lower multi-layer paths, continuous output of the lining pipe cannot be delayed, and the softening and construction efficiency of the lining pipe is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lining pipe softening heating, specifically to a pipeline repair lining pipe reel hot steam circulation internal and external heating device. BACKGROUND

[0002] Pipeline repair lining pipe reel hot steam circulation internal and external heating is a kind of equipment or technical means for pipeline repair, mainly used for heating softening to lining pipe, so as to be installed into the pipeline to be repaired.It mainly uses steam as heating medium, transports steam to the inside of coil pipe, and transfers heat energy to the heated medium by heat exchange.But there are still some deficiencies in the actual use process of the scheme, such as: the current heating method is to wind the lining pipe on the reel and then put it into the steamer for steaming, but it can only heat the outer several circles, and there is some deficiency in heating efficiency and softening forming efficiency;Therefore, the technical personnel in the art provide a pipeline repair lining pipe reel hot steam circulation internal and external heating device, that is, hot steam can also be passed into the reel during the softening process to heat the inside and outside simultaneously, so as to speed up the softening speed. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments.In this section and the abstract of the specification and the utility model name of the application, some simplification or omission may be made to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplification or omission cannot be used to limit the scope of the utility model.

[0004] Therefore, the purpose of the utility model is to provide a pipeline repair lining pipe reel hot steam circulation internal and external heating device to solve the problem that the current heating method is to wind the lining pipe on the reel and then put it into the steamer for steaming, but it can only heat the outer several circles, and there is some deficiency in heating efficiency and softening forming efficiency.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a pipeline repair lining pipe reel hot steam circulation internal and external heating device, which comprises a steamer, one end of the steamer is provided with a feeding port, and the other end opposite to the feeding port is provided with a main discharge port, a plurality of upper and lower support rollers are arranged in the interior of the steamer, a pushing roller is arranged on one side of the advancing end of the support rollers adjacent to each other, and the support roller and the pushing roller are rotatably installed on the inner side of the steamer, and the pushing roller is driven to rotate by the driving device, a jet plate is arranged above and below each row of support rollers, the jet plate has a cavity in the interior, the side of the jet plate facing the support roller is provided with a plurality of uniformly distributed air holes, and a steam circulation output assembly for injecting high-temperature steam into the interior of the jet plate is further arranged outside the steamer.

[0006] As a kind of preferred scheme of the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device described in the utility model, wherein, the two ends of the push roller have the end shaft coaxial with it and rotatably installed in the inside of steam box, the outside of steam box is provided with multiple servo motors corresponding with push roller and used to drive end shaft rotation.

[0007] As a kind of preferred scheme of the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device described in the utility model, wherein, the side of jet plate is communicated with air inlet nozzle;

[0008] Steam circulation output assembly includes steam generator arranged on the upper end of steam box, gas guide column fixed to one side of steam box and communicated with each air inlet nozzle respectively, gas delivery pipe with one end communicated with steam generator output end and the other end communicated with gas guide column, gas pump arranged on gas delivery pipe and reflux pipe with one end communicated with steam generator input end and the other end communicated with steam box inner cavity.

[0009] As a kind of preferred scheme of the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device described in the utility model, wherein, the end of steam box is also provided with auxiliary discharge port, and auxiliary discharge port is located directly below main discharge port.

[0010] As a kind of preferred scheme of the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device described in the utility model, wherein, the outside of steam box is also provided with controller.

[0011] As a kind of preferred scheme of the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device described in the utility model, wherein, the outer wall of steam box also has heat preservation layer.

[0012] Compared with prior art, the pipeline repair inner lining pipe reel hot steam circulation internal and external heating device has the beneficial effects that: through the process of gradually advancing and conveying inner lining pipe original pipe from feeding port by supporting roller and push roller, under the continuous conveying cooperation of steam circulation output assembly, jet plate carries out close high-temperature drying and spraying on the upper and lower surfaces of inner lining pipe through air hole, so that the heating rate and uniformity of pipe body are effectively improved, at the same time, multiple layers of paths can prolong the residence time of inner lining pipe in the box without delaying the continuous output of inner lining pipe, effectively improving the softening and construction efficiency of inner lining pipe. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is overall structure schematic view of the utility model;

[0014] Fig. 2 It is internal structure schematic view of steam box of the utility model.

[0015] In the figure: 100, steam box; 110, feed inlet; 120, main discharge port; 130, auxiliary discharge port; 200, supporting roller; 300, pushing roller; 310, end shaft; 400, air jet plate; 410, air hole; 420, air inlet; 500, steam circulation output assembly; 510, steam generator; 520, air guide column; 530, air conveying pipe; 540, air pump; 550, return pipe; 600, servo motor; 700, controller. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, clear and understandable, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0017] Secondly, the utility model is described in detail in combination with the schematic diagram, and in the detailed description of the utility model embodiments, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacturing.

[0018] In order to make the purpose, technical scheme and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below with reference to the drawings.

[0019] Figs. 1-2 The whole structure schematic diagram of the pipeline repair inner lining pipe reel hot steam circulation inner and outer heating device of the utility model is shown, please refer to Figs. 1-2 The pipeline repair inner lining pipe reel hot steam circulation inner and outer heating device of the embodiment comprises a steam box 100, one end of the steam box 100 is provided with a feed inlet 110 and the other end opposite to the feed inlet 110 is provided with a main discharge port 120, a plurality of upper and lower supporting rollers 200 are arranged in the steam box 100, a pushing roller 300 is arranged on one side of the progressive end of the upper and lower adjacent supporting rollers 200, the supporting roller 200 and the pushing roller 300 are rotatably installed on the inner side of the steam box 100, the pushing roller 300 is driven to rotate by a driving device, the air jet plate 400 is arranged above and below each row of supporting rollers 200, the air jet plate 400 has a cavity in the inside, the air jet plate 400 is provided with a plurality of uniformly distributed air holes 410 on the side facing the supporting roller 200, and the steam circulation output assembly 500 for injecting high-temperature steam into the inside of the air jet plate 400 is further arranged outside the steam box 100.

[0020] The two ends of the pushing roller 300 have end shafts 310 coaxial with the pushing roller 300 and rotatably installed inside the steaming box 100, and a plurality of servo motors 600 are arranged outside the steaming box 100 and used to drive the end shafts 310 to rotate. It can be understood that the outer diameter of the pushing roller 300 is greater than the outer diameter of the supporting roller 200, and the inner liner tube is pushed and advanced by the pushing roller 300 during the continuous softening and conveying of the inner liner tube, and in other embodiments, anti-skid protrusions can also be arranged on the outer surface of the pushing roller 300, so as to increase the friction between the roller surface and the inner liner tube and ensure the stable output of the inner liner tube. One side of the air jet plate 400 is communicated with an air inlet nozzle 420; the steam circulation output assembly 500 includes a steam generator 510 arranged at the upper end of the steaming box 100, a gas guide column 520 fixed to one side of the steaming box 100 and communicated with each air inlet nozzle 420, a gas conveying pipe 530 having one end communicated with the output end of the steam generator 510 and the other end communicated with the gas guide column 520, an air pump 540 arranged on the gas conveying pipe 530, and a return pipe 550 having one end communicated with the input end of the steam generator 510 and the other end communicated with the inner cavity of the steaming box 100. It can be understood that the steam generator 510 has a water tank and a steam chamber inside for supplying steam, the return pipe 550 is communicated with the steam chamber, and during use, the high-temperature steam generated by the steam generator 510 is conveyed to each air jet plate 400 under the cooperation of the air pump 540, the gas conveying pipe 530 and the gas guide column 520, and enters the air jet plate 400 to spray hot steam towards the inner liner tube. The excessive steam remaining in the steaming box 100 will enter the steam generator 510 again through the return pipe 550 for heating, so as to form a recycling use of steam and heat energy, saving energy and protecting the environment. Specifically, in this embodiment, the original inner liner tube is fed into the steaming box 100 through the feeding port 110, and is gradually advanced and conveyed by the supporting roller 200 and the pushing roller 300. During this process, the air jet plate 400 sprays hot steam to the upper and lower surfaces of the inner liner tube at a close distance through the air holes 410 under the continuous conveying cooperation of the steam circulation output assembly 500, so that the heating rate and the uniformity of the pipe body are effectively improved, and the upper and lower multiple paths can prolong the residence time of the inner liner tube in the box without affecting the continuous output of the inner liner tube, thereby effectively improving the softening and construction efficiency of the inner liner tube.

[0021] As a preferred, further, the steaming box 100 is further provided with a secondary discharge port 130, and the secondary discharge port 130 is located directly below the primary discharge port 120. It should be noted that sometimes the inner liner tube needs to be guided out from the inlet of the steaming box 100 during normal use, and therefore the secondary discharge port 130 arranged can meet this demand, thereby improving the practicability.

[0022] As a preferred, further, the steaming box 100 is further provided with a controller 700. It can be understood that the staff can integrate and set the various operating units of the heating device through the controller 700, and the use is more convenient.

[0023] As preferred, further, the outer wall of the steaming box 100 is provided with a heat preservation layer. The heat preservation layer can prevent and reduce heat loss of the steaming box 100. It can be understood that a soft curtain is arranged along the inlet 110 and the main outlet 120 in actual use, so as to block or reduce steam loss.

[0024] Although the present application has been described with reference to the embodiments above, various improvements can be made and equivalent replacements can be made to the components without departing from the scope of the present application. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in the present application can be combined in any manner, and the combinations are not exhaustively described in the present specification only for the purpose of saving space and resources. Therefore, the present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A pipe repair lining pipe reel hot steam circulation internal and external heating apparatus, characterized by, The utility model provides a steam box (100) has the feed inlet (110) one end and has the main discharge port (120) with feed inlet (110) opposite another end, be provided with upper and lower multiple rows of support roller (200) inside the steam box (100), the progressive end one side of upper and lower adjacent support roller (200) is provided with push roller (300), and support roller (200) and push roller (300) are rotatably installed in steam box (100) inside, and push roller (300) is driven by driving device and rotates, and each row support roller (200) is provided with air injection plate (400) above and below, and air injection plate (400) has cavity inside, and the side of air injection plate (400) facing support roller (200) has several evenly distributed air holes (410), and the outside of steam box (100) is further provided with steam circulation output assembly (500) for injecting high-temperature steam to the inside of air injection plate (400).

2. A pipe rehabilitation lining pipe reel hot steam circulation internal and external heating apparatus according to claim 1, characterized in that: The both ends of push roller (300) have end shaft (310) coaxial with them and rotatably installed in the inside of steam box (100), and the outside of steam box (100) is provided with multiple servo motors (600) corresponding to push roller (300) and used to drive end shaft (310) to rotate.

3. A hot steam circulation internal and external heating device for pipe rehabilitation lining pipe reel according to claim 1, characterized in that: Air injection plate (400) is communicated with air inlet nozzle (420) on one side thereof; Steam circulation output assembly (500) comprises steam generator (510) arranged on the upper end of steam box (100), air guide column (520) fixed to one side of steam box (100) and communicated with each air inlet nozzle (420) respectively, gas conveying pipe (530) communicated at one end with the output end of steam generator (510) and at the other end with air guide column (520), air pump (540) arranged on gas conveying pipe (530), and reflux pipe (550) communicated at one end with the input end of steam generator (510) and at the other end with the inner cavity of steam box (100).

4. A hot steam circulation internal and external heating device for pipe rehabilitation lining pipe reel according to claim 1, characterized in that: The end of steam box (100) is further provided with auxiliary discharge port (130), and auxiliary discharge port (130) is located directly below main discharge port (120).

5. A hot steam circulation internal and external heating device for pipe rehabilitation lining pipe reel according to claim 1, characterized in that: The outside of steam box (100) is further provided with controller (700).

6. A pipe rehabilitation lining pipe reel hot steam circulation internal and external heating apparatus according to claim 1, characterized in that: The outer wall of steam box (100) further has a heat preservation layer.

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