CN114738548A

CN114738548A - High-pressure steam pipeline heat insulation structure and construction method

Info

Publication number: CN114738548A
Application number: CN202210309322.9A
Authority: CN
Inventors: 叶雅琴; 李刚; 吴礼学; 孙传超
Original assignee: East China Engineering Science and Technology Co Ltd
Current assignee: East China Engineering Science and Technology Co Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-12

Abstract

The invention provides a high-pressure steam pipeline heat insulation structure and a construction method, wherein the heat insulation structure comprises: a bottom block, a high-pressure steam pipeline, an external heat-insulating layer, a strapping tape, a flange and a connecting device, wherein the high-pressure steam pipeline is arranged at the top end of the bottom block, compared with the traditional high-swallow steam pipeline, the high-pressure steam pipeline has the advantages that the external heat-insulating layer is fixedly arranged outside the high-pressure steam pipeline, the strapping tapes are fixedly arranged on the surface of the external heat-insulating layer at equal intervals, the high-pressure steam pipeline can ensure the heat-insulating effect while the structure of the high-pressure steam pipeline is used, ensures that the thickness of the heat-insulating material is not too thick, improves the durability, avoids the gas generated inside the material expansion in the long-term use process, reduces the thermal resistance reduction caused by the operation, saves the maintenance cost for the later operation of owners, can also perform stable and efficient connection and reinforcement for the equipment, the pipeline is more stable and efficient in the transportation process of the materials, the overall working quality is greatly improved, and the working efficiency of the pipeline is guaranteed.

Description

High-pressure steam pipeline heat insulation structure and construction method

Technical Field

The invention relates to the technical field of high-pressure steam pipelines, in particular to a high-pressure steam pipeline heat insulation structure and a construction method.

Background

The high-pressure steam pipeline is a pipeline for stably conveying various materials at present, the pipeline has multiple advantages and can assist the materials to be stably conveyed, in the construction process of the high-pressure steam pipeline, the heat dissipation, the cost and the like of the high-pressure steam pipeline are items needing to be mainly detected in construction, the investment of the items is directly influenced, the external wind speed, the temperature and the like of different regions are greatly different, particularly in the construction project of the high-pressure steam pipeline in North Anhui province, no special high-pressure steam pipeline heat insulation construction method aiming at the items exists at present, no special high-pressure steam pipeline heat insulation material exists, the heat loss in the conveying process of the materials is too fast, the materials need to be processed again in the follow-up process to be put into use, the structure of the existing pipeline is not perfect, the integral working quality is reduced, and part of resources need to be additionally consumed for rework, affecting the overall work efficiency.

Therefore, it is necessary to provide a new high-pressure steam pipeline insulation structure and a construction method thereof to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a high-pressure steam pipeline heat-insulating structure with better heat-insulating effect and more stable conveying and a construction method.

The high-pressure steam pipeline heat-insulating structure and the construction method provided by the invention comprise the following steps: bottom piece, high-pressure steam pipe way, outside heat preservation, strapping, flange and connecting device, the bottom piece top is provided with high-pressure steam pipe way, the outside fixed mounting of high-pressure steam pipe way has outside heat preservation, outside heat preservation surface equidistance fixed mounting has the strapping, high-pressure steam pipe way bottom fixed mounting has the flange, bottom piece fixed surface installs connecting device, connecting device contacts with the squeeze of high-pressure steam pipe way.

Preferably, the two ends of the flange are wound by strip-shaped heat-insulating felts with the width of 4-5 cm to the width equal to the outer diameter of the flange, the flanges are fastened and fixed by galvanized iron wires, and the connection of the whole pipeline can adopt two schemes of welding type or detachable type.

Preferably, high pressure steam conduit still includes steam pipe inner wall, carries steam pipe, noise damping layer, sun-proof layer and wearing layer, the inside steam pipe inner wall that is provided with of outside heat preservation, the outside fixed mounting of steam pipe inner wall has the transport steam pipe, carry the outside fixed mounting of steam pipe to have the noise damping layer, the outside fixed mounting of noise damping layer has sun-proof layer, the outside fixed mounting of sun-proof layer has the wearing layer, wearing layer and outside heat preservation fixed connection.

Preferably, the amortization layer mainly adopts polyester fiber to constitute through high technology hot pressing and with the cotton shape of cocoon, and the dough sheet that in use utilized this process to make can have more perfect amortization characteristic, can handle for the inside noise that produces of follow-up pipeline, and the installation of part self is convenient, great reduction holistic cost for subsequent maintenance or change are more convenient.

Preferably, the external heat preservation layer further comprises an aerogel heat insulation felt, a first aluminum foil glass fiber cloth, a first aluminum silicate heat insulation blanket, a second aluminum foil glass fiber cloth, a second aluminum silicate heat insulation blanket and a seam, the external fixed mounting of the high-pressure steam pipeline is provided with the aerogel heat insulation felt, the external fixed mounting of the aerogel heat insulation blanket is provided with the first aluminum foil glass fiber cloth, the external fixed mounting of the first aluminum foil glass fiber cloth is provided with the first aluminum silicate heat insulation blanket, the external fixed mounting of the first aluminum silicate heat insulation blanket is provided with the second aluminum foil glass fiber cloth, the external fixed mounting of the second aluminum foil glass fiber cloth is provided with the second aluminum silicate heat insulation blanket, and the joint of the aerogel heat insulation blanket, the first aluminum foil glass fiber cloth, the first aluminum silicate heat insulation blanket, the second aluminum foil glass fiber cloth and the second aluminum silicate heat insulation blanket is formed.

Preferably, the seam is located outside the 45-degree range of the vertical center line of the high-pressure steam pipeline, the whole gap of the seam is smaller than 2mm, the seam is sealed by adopting an aluminum foil glass fiber adhesive tape, the connection stability is guaranteed in use, the conveying effect of the internal high-pressure steam pipeline is not affected, and then the aluminum foil glass fiber adhesive tape is utilized for reinforcement, the sealing effect of integral connection is guaranteed, and the equipment is further guaranteed.

Preferably, the strapping tape still includes reinforcement band, base, insertion groove, connecting band, cooperation pinion rack and joint board, the outside equidistance of outside heat preservation is provided with the reinforcement band, the one end fixed mounting of reinforcement band has the base, one side fixed mounting that the base was kept away from to the one end of reinforcement band has the connecting band, the insertion groove has been seted up to base inside, the connecting band is pegged graft with the insertion groove is slided, connecting band side fixed mounting has the cooperation pinion rack, the inside cooperation pinion rack side fixed mounting that is located of reinforcement band has the joint board, cooperation pinion rack and joint board cooperation joint.

Preferably, the connecting device comprises a supporting block, a supporting frame, a joint top plate, a connecting block, a rotating rod, a rotating block, a rotating plate, a joint side plate, a reinforced screw groove, a reinforced screw rod, a connecting side plate and a reinforced nut, wherein the supporting block is symmetrically and fixedly arranged at the top end of the bottom block, the supporting frame is fixedly arranged at the top end of the supporting block, the connecting side plate is fixedly arranged at one end of the supporting frame, the connecting block is fixedly arranged at the other end of the supporting frame, the rotating rod is rotatably arranged in the connecting block, the rotating block is fixedly arranged outside the rotating rod, the rotating plate is fixedly arranged on the side surface of the rotating block, the joint side plate is fixedly arranged at one end far away from the rotating block, the joint top plate is fixedly arranged in the supporting frame and the rotating plate, the reinforced screw groove is symmetrically arranged in the joint side plate and the connecting side plate, the reinforced screw rod is arranged in the reinforced screw groove in a threaded engagement manner, and the end part of the reinforcing screw rod is provided with a reinforcing nut in a threaded engagement manner.

Preferably, the connecting device can adopt a conventional pipe bracket or a heat-insulating pipe bracket, wherein the thickness of the heat-insulating layer of the conventional pipe bracket is equal to that of the heat-insulating layer of the pipeline; the thickness of the heat-insulating layer of the heat-insulating pipe bracket is selected to be 80mm, and the three specifications have advantages and disadvantages in use and can be selected according to actual conditions, the conventional pipe bracket needs 15crmo of pipe bracket material, heat loss is large, the temperature of a bottom plate of the pipe bracket is high, and the structural material is influenced; the heat-insulating pipe bracket has the advantages of attractive appearance, small heat loss and higher manufacturing cost because the thickness of the heat-insulating layer of the pipe bracket is the same as that of the heat-insulating layer of the pipeline; the thickness of the heat preservation layer of the heat preservation pipe bracket is selected to be 80mm, the height requirement of the supporting legs is larger than the thickness of the heat preservation layer of the pipeline, the over-high temperature of the bottom plate of the pipe bracket can be avoided, the material of the pipe bracket can be carbon steel, the manufacturing cost is reasonable, and certain requirements are met for heat preservation construction of the pipeline.

The invention also provides a construction method of the high-pressure steam pipeline heat-insulation structure, which comprises the following steps:

1): calculating, namely calculating the length required by the external heat-insulating layer, and then cutting the external heat-insulating layer;

2): wrapping, namely wrapping the cut external heat-insulating layer close to the outer side of the high-pressure steam pipeline, and tightly binding and fixing the external heat-insulating layer by using a binding tape, wherein in the binding process, the angle of a joint needs to be ensured to be arranged outside the range of 45 degrees of the vertical central line of the high-pressure steam pipeline;

3): sealing, namely sealing the joint opening in the external heat-insulating layer after the external heat-insulating layer is wrapped, so as to ensure that the external heat-insulating layer can be completely attached to the outer wall of the high-pressure steam pipeline in subsequent work;

4): the high-pressure steam pipeline is installed or connected, the high-pressure steam pipeline is tightly connected with the corresponding part through the use of the end flange, and the sealing effect of the high-pressure steam pipeline is required to be ensured;

5): checking, namely detecting the overall quality of the pipeline to ensure the stability of the subsequent pipeline in use, and repeating the steps if the quality is inserted wrongly;

6): the installation conduit saddle is placed the conduit whole on the conduit saddle, through the use of conduit saddle, fixes and fixes a position it, stability when guaranteeing to use.

Compared with the related art, the high-pressure steam pipeline heat-insulating structure and the construction method provided by the invention have the following beneficial effects:

the invention provides a high-pressure steam pipeline heat-insulating structure and a construction method, wherein the high-pressure steam pipeline heat-insulating structure comprises the following components:

1. by matching and using the high-pressure steam pipeline and the external heat-insulating layer structure, the heat-insulating material can be ensured not to be too thick while the heat-insulating effect is ensured, the durability is improved, gas generated in the expansion of the material in the long-term use process is avoided, the thermal resistance reduction caused by operation is reduced, and the maintenance cost is saved for the later-period operation of an owner;

2. through the use of connecting device and flange, can stabilize, the efficient is connected and is consolidated for equipment for the pipeline is itself at the in-process to the transportation of material, and is more stable, high-efficient, great improvement holistic operating mass, guaranteed the work efficiency of self.

Drawings

FIG. 1 is a schematic view of an overall structure provided by the present invention;

FIG. 2 is a second schematic view of the overall structure provided by the present invention;

FIG. 3 is a third schematic view of the overall structure provided by the present invention;

FIG. 4 is a schematic side view of the overall structure provided by the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 4 in accordance with the present invention;

FIG. 7 is an enlarged view of section C of FIG. 4 in accordance with the present invention;

FIG. 8 is an enlarged view of section D of FIG. 1 in accordance with the present invention;

fig. 9 is an enlarged view of the portion E of fig. 2 according to the present invention.

Reference numbers in the figures: 1. a bottom block; 2. a high pressure steam line; 21. the inner wall of the steam pipe; 22. conveying a steam pipe; 23. a sound-deadening layer; 24. a sunscreen layer; 25. a wear layer; 3. an outer insulating layer; 31. an aerogel insulation blanket; 32. a first aluminum foil fiberglass cloth; 33. a first aluminum silicate insulation blanket; 34. a second aluminum foil fiberglass cloth; 35. a second aluminum silicate insulation blanket; 36. seaming; 4. a strapping tape; 41. a reinforcing strip; 42. a base; 43. inserting the groove; 44. a connecting belt; 45. a toothed plate is matched; 46. a clamping and connecting plate; 5. a flange; 6. a connecting device; 61. a support block; 62. a support frame; 63. attaching a top plate; 64. connecting blocks; 65. rotating the rod; 66. rotating the block; 67. a rotating plate; 68. attaching the side plates; 69. reinforcing the screw groove; 610. reinforcing the screw rod; 611. connecting the side plates; 612. and (7) reinforcing the nut.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9 in combination, wherein fig. 1 is one of the overall structural diagrams provided by the present invention; FIG. 2 is a second schematic diagram of the overall structure provided by the present invention; FIG. 3 is a third schematic view of the overall structure provided by the present invention; FIG. 4 is a schematic side view of the overall structure provided by the present invention; FIG. 5 is a schematic view of a high pressure steam pipeline provided by the present invention; FIG. 6 is a schematic structural view of an external insulation layer according to the present invention; FIG. 7 is a schematic view of the strap configuration provided by the present invention; FIG. 8 is a schematic view of a connecting device according to the present invention; fig. 9 is a second schematic view of the connecting device structure provided by the present invention. The high-pressure steam pipeline heat-insulating structure and the construction method comprise the following steps: the high-pressure steam pipeline comprises a bottom block 1, a high-pressure steam pipeline 2, an external heat-insulating layer 3, a binding belt 4, a flange 5 and a connecting device 6.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, 1 top of bottom block is provided with high-

pressure steam pipe

2, 2 outside fixed mounting of high-pressure steam pipe have

outside heat preservation

3, 3 surface equidistance fixed mounting of outside heat preservation have strapping 4, 2 bottom fixed mounting of high-pressure steam pipe have

flange

5, 1 surface fixed mounting of bottom block has connecting device 6, connecting

device

6 and 2 extrusion contact of high-pressure steam pipe.

In use, the high-pressure steam pipeline 2 is placed at a target position, then the length of the whole body is measured, then the length of the whole external heat-insulating layer 3 is cut, then the cut external heat-insulating layer 3 is wrapped outside the high-pressure steam pipeline 2, in the wrapping process, the angle of the external heat-insulating layer 3 per se is ensured not to influence the working quality of the subsequent whole body, the external heat-insulating layer 3 per se can be directly sealed and reinforced after the wrapping is finished, the connection stability and the connection effect are ensured, the position of the external heat-insulating layer 3 is further reinforced by using the strapping tape 4, then the pipeline per se is spliced with other parts or connecting pipelines by using the bottom end flange 5, so that the two can be matched, the internal materials can be better conveyed, and finally, the connecting device 6 is used, consolidate and hold up pipeline self, guarantee the stability of pipeline when using, thereby great improvement the operating mass of equipment self, later alright use the pipeline, in the use, utilize the use of the structure of high pressure steam pipeline 2 self, can effectual reduction noise of carrying, and the wearability and the sun-proof effect of high pressure steam pipeline 2 self have been improved, make the life of high pressure steam pipeline 2 self obtain the extension, and in the transportation process, utilize the structure of outside heat preservation 3 self and the characteristic of material, keep warm to the internal material, thereby the heat preservation effect of equipment self when using has been guaranteed, can be more perfect carry the material, and can guarantee the temperature of material in the transportation process as far as, make holistic operating mass more perfect.

Referring to fig. 2, the two ends of the flange 5 are wound with strip-shaped heat-insulating felts with widths of 4-5 cm to the widths equal to the outer diameter of the flange 5, and are fastened and fixed by galvanized iron wires, and the connection of the whole pipeline can adopt two schemes of welding or detachable connection.

In use, strip-shaped heat-insulating felts with the width of 4-5 cm are wound at two ends of a flange 5 to the width equal to the outer diameter of the flange, the two ends are fastened and fixed by galvanized iron wires, the distance between two circles of the strip-shaped heat-insulating felts is measured, cutting the aerogel heat insulation felt 31 with proper length and width according to the outer diameter of the flange 5, laying the cut aerogel heat insulation felt 31 close to the flange, and the two ends are fixed by the galvanized iron wires, finally the axial lap joint of the heat-insulating felt is flattened by the glass ribbon by a spiral winding method, the glass ribbon is tensioned by a certain force to compress the lap joint, the winding direction is consistent with the material lap joint direction and is tied up to be flat, thereby make connection between them more stable, and can not lead to the material to drop in the self temperature suddenly when the junction because of the existence of junction, better assurance the transportation quality of material for follow-up can directly put into use the material.

Referring to fig. 5 as well, high pressure steam pipeline 2 still includes steam pipe inner wall 21, carries steam pipe 22, amortization layer 23, sun-proof layer 24 and wearing

layer

25, 3 inside steam pipe inner walls 21 that are provided with of outside heat preservation, 21 outside fixed mounting of steam pipe inner wall has carries steam pipe 22, the outside fixed mounting of carrying steam pipe 22 has

amortization layer

23, 23 outside fixed mounting of amortization layer has sun-proof layer 24, the outside fixed mounting of sun-proof layer 24 has wearing layer 25, wearing

layer

25 and 3 fixed connection of outside heat preservation.

The inner wall 21 of the steam pipe is matched with the conveying steam pipe 22 in use, the materials in the steam pipe can be stably conveyed, then, due to the existence of the noise-reducing layer 23, the noise in the pipe caused by the materials and the like can be better treated, the overall noise is reduced, the equipment is more stable in the conveying process, then, the characteristic of the sun-proof layer 24 is utilized, the inner wall 21 of the steam pipe and the conveying steam pipe 22 are sufficiently protected, the outer wall of the pipe is prevented from cracking and breaking due to the fact that the pipe is irradiated by sunlight for a long time, the using effect of the pipe is ensured, finally, the characteristic of the wear-resistant layer 25 is utilized, the sufficient protecting effect can be provided for the high-pressure steam pipe 2, the situation that the outer wall of the pipe is broken due to friction and collision due to the transportation and the like is prevented, and the using effect of the high-pressure steam pipe 2 is better ensured, the high-pressure steam pipeline 2 can be used for ensuring the stability and the conveying effect of the high-pressure steam pipeline 2 in the using process through the matching of the series of parts, and the integral working quality is greatly improved.

Referring to fig. 5, the sound-deadening layer 23 is mainly made of polyester fibers through high-tech hot pressing and is formed in a cocoon cotton shape, a dough sheet manufactured through the process can have a more perfect sound-deadening characteristic in use, noise generated inside a subsequent pipeline can be treated, the parts are convenient to install, overall cost is greatly reduced, and subsequent maintenance or replacement is more convenient.

Referring to fig. 6, the external thermal insulation layer 3 further includes an aerogel thermal insulation blanket 31, a first aluminum foil fiberglass cloth 32, a first aluminum silicate thermal insulation blanket 33, a second aluminum foil fiberglass cloth 34, a second aluminum silicate thermal insulation blanket 35, and a seam 36, an aerogel heat insulation felt 31 is fixedly installed outside the high-pressure steam pipeline 2, a first aluminum foil glass fiber cloth 32 is fixedly installed outside the aerogel heat insulation felt 31, a first aluminum silicate heat-insulating blanket 33 is fixedly arranged outside the first aluminum foil glass fiber cloth 32, a second aluminum foil glass fiber cloth 34 is fixedly arranged outside the first aluminum silicate heat-insulating blanket 33, a second aluminum silicate heat-insulating blanket 35 is fixedly installed outside the second aluminum foil glass fiber cloth 34, and a joint 36 is formed at the joint of the aerogel heat-insulating blanket 31, the first aluminum foil glass fiber cloth 32, the first aluminum silicate heat-insulating blanket 33, the second aluminum foil glass fiber cloth 34 and the second aluminum silicate heat-insulating blanket 35.

When in use, the aerogel heat insulation blankets 31 at two sides are directly installed on the outer wall of the high-pressure steam pipeline 2, then a layer of first aluminum foil glass fiber cloth 32 is wrapped outside, after the aerogel heat insulation blanket 31 is completely wrapped, a layer of first aluminum foil glass fiber cloth 33 can be wrapped outside the first aluminum foil glass fiber cloth 32 again, so that the self heat insulation effect of the equipment is more perfect, then on the premise of ensuring safety and stability, the outer wall of the first aluminum foil glass fiber blanket 33 can be processed, the second aluminum foil glass fiber cloth 34 and the second aluminum foil heat insulation blanket 35 are gradually wrapped outside the first aluminum foil heat insulation blanket 33, so that the whole sealing effect and heat insulation effect are more perfect, and when the high-pressure steam pipeline 2 is wrapped layer by layer, the joints of the aerogel heat insulation blanket 31, the first aluminum foil glass fiber cloth 32, the first aluminum foil heat insulation blanket 33, the second aluminum foil glass fiber cloth 34 and the second aluminum foil heat insulation blanket 35 are all on one horizontal line, the integral sealing and reinforcing can be conveniently carried out subsequently.

Referring to fig. 6, the seam 36 is located outside the 45 ° range of the vertical center line of the high-pressure steam pipeline 2, and the whole gap of the seam 36 is smaller than 2mm, the inside of the seam 36 is sealed by using an aluminum foil glass fiber adhesive tape, so that the connection stability is ensured in use, the conveying effect of the internal high-pressure steam pipeline 2 is not affected, and then the aluminum foil glass fiber adhesive tape is used for reinforcement, so that the sealing effect of the integral connection is ensured, and further assurance is provided for the equipment.

Referring to fig. 7, the strapping 4 further includes a reinforcing belt 41, a base 42, an insertion groove 43, a connecting belt 44, a matching toothed plate 45 and a clamping plate 46, the reinforcing belt 41 is disposed at the outer portion of the outer heat preservation layer 3 at equal intervals, the base 42 is fixedly disposed at one end of the reinforcing belt 41, the connecting belt 44 is fixedly disposed at one side of the end of the reinforcing belt 41 far away from the base 42, the insertion groove 43 is formed inside the base 42, the connecting belt 44 is slidably inserted into the insertion groove 43, the matching toothed plate 45 is fixedly disposed at the side of the connecting belt 44, the clamping plate 46 is fixedly disposed at the side of the matching toothed plate 45 inside the reinforcing belt 41, and the matching toothed plate 45 is clamped with the clamping plate 46 in a matching manner.

In use places the outside bottom position of outside heat preservation 3 through reinforcement band 41, then take up the connecting band 44 of reinforcement band 41 tip, insert connecting band 44 tip in the inside insertion groove 43 of base 42, and at the insertion in-process, need guarantee that the inside joint board 46 of insertion groove 43 can be aimed at to the cooperation pinion rack 45 of connecting band 44 side, after connecting band 44 inserts, cooperation pinion rack 45 can accomplish the joint with joint board 46 automatically, make connection between them more stable, and the connection process is irreversible, make the whole outside heat preservation 3 outside high pressure steam pipeline 2 that can be better of strapping 4, the extrusion, make the stable effect of outside heat preservation 3 self more perfect.

Referring to fig. 8 and 9, the connecting device 6 includes a supporting block 61, a supporting frame 62, a joint top plate 63, a connecting block 64, a rotating rod 65, a rotating block 66, a rotating plate 67, a joint side plate 68, a reinforcing screw groove 69, a reinforcing screw 610, a connecting side plate 611 and a reinforcing nut 612, the supporting block 61 is symmetrically and fixedly installed at the top end of the bottom block 1, the supporting frame 62 is fixedly installed at the top end of the supporting block 61, the connecting side plate 611 is fixedly installed at one end of the supporting frame 62, the connecting block 64 is fixedly installed at the other end of the supporting frame 62, the rotating rod 65 is rotatably installed inside the connecting block 64, the rotating block 66 is fixedly installed outside the rotating rod 65, the rotating plate 67 is fixedly installed at the side of the rotating block 66, the joint side plate 68 is fixedly installed at one side of the rotating plate 67 far away from the rotating block 66, the joint top plate 63 is fixedly installed inside the supporting frame 62 and the rotating plate 67, the joint side plate 68 and the connection side plate 611 are internally and symmetrically provided with a reinforcing screw groove 69, the reinforcing screw 610 is installed in the reinforcing screw groove 69 through thread meshing, and the reinforcing nut 612 is installed at the end part of the reinforcing screw 610 through thread meshing.

In use, the high-pressure steam pipeline 2 and the external heat-insulating layer 3 are taken up and moved to a target position, then the external heat-insulating layer 3 is placed in the groove in the support frame 62, and then the rotating plate 67 is rotated, so that the rotating plate 67 can stably rotate under the matching of the rotating block 66 and the rotating rod 65, when the attaching side plate 68 at the end part of the rotating plate 67 and the attaching side plate 611 at the end part of the support frame 62 are attached in moving, the attaching screw 610 can be turned into the attaching screw groove 69, the bottom attaching nut 612 is used and matched with the attaching screw 610, so that the connecting effect of the attaching side plate 611 and the attaching side plate 68 is more perfect, and the connecting device 6 can provide stable supporting effect and reinforcing effect for equipment, and the equipment can perfectly run.

Referring to fig. 8 and 9, the connecting device 6 may be a conventional pipe bracket or a heat-insulating pipe bracket, wherein the thickness of the heat-insulating layer of the conventional pipe bracket is equal to that of the heat-insulating layer of the pipeline; the thickness of the heat-insulating layer of the heat-insulating pipe bracket is selected to be 80mm, the height of the supporting leg is required to be larger than that of the heat-insulating layer of the pipeline, and the three specifications have advantages and disadvantages in use and can be selected according to actual conditions; the heat-insulating pipe bracket has the advantages of attractive appearance, small heat loss and higher manufacturing cost because the thickness of the heat-insulating layer of the pipe bracket is the same as that of the heat-insulating layer of the pipeline; the thickness of the heat preservation layer of the heat preservation pipe bracket is selected to be 80mm, the height requirement of the supporting legs is larger than the thickness of the heat preservation layer of the pipeline, the over-high temperature of the bottom plate of the pipe bracket can be avoided, the material of the pipe bracket can be carbon steel, the manufacturing cost is reasonable, and certain requirements are met for heat preservation construction of the pipeline.

Aiming at the heat insulation structure of the invention, the embodiment also provides a construction method of the high-pressure steam pipeline heat insulation structure, which comprises the following steps:

1): calculating, namely calculating the length required by the external heat-insulating layer 3, and then cutting the external heat-insulating layer 3;

2): wrapping, namely wrapping the cut external heat-insulating layer 3 close to the outer side of the high-pressure steam pipeline 2, fastening and fixing by using a strapping tape 4, and ensuring that the angle of the seam 36 is arranged outside the range of 45 degrees of the vertical center line of the high-pressure steam pipeline 2 in the strapping process;

3): sealing, namely sealing the seam 36 in the external heat-insulating layer 3 after the external heat-insulating layer 3 is wrapped, so as to ensure that the external heat-insulating layer 3 can be completely attached to the outer wall of the high-pressure steam pipeline 2 in the subsequent work;

4): the installation or connection is carried out, the high-pressure steam pipeline 2 is tightly connected with the corresponding component through the use of the end flange 5, and the sealing effect is required to be ensured;

The working principle is as follows: the high-pressure steam pipeline heat-insulating structure and the construction method of the invention are characterized in that when in use, the high-pressure steam pipeline 2 is placed at a target position, then the length of the whole body is measured, then the length of the whole body of the external heat-insulating layer 3 is cut, then the cut external heat-insulating layer 3 is wrapped on the outer side of the high-pressure steam pipeline 2, in the wrapping process, the angle of the external heat-insulating layer 3 is ensured not to influence the working quality of the subsequent whole body, the external heat-insulating layer 3 can be directly sealed and reinforced after the wrapping is finished, the connection stability and the connection effect are ensured, the position of the external heat-insulating layer 3 is further reinforced by using the strapping tape 4, the external heat-insulating layer 3 is placed at the external bottom end position of the external heat-insulating layer 3 through the reinforcing tape 41, then the connecting tape 44 at the end of the reinforcing tape 41 is taken up, and the end of the connecting tape 44 is inserted into the insertion groove 43 in the base 42, in the insertion process, the matching toothed plates 45 on the side surfaces of the connecting belt 44 are required to be aligned to the clamping plates 46 in the insertion groove 43, after the connecting belt 44 is inserted, the matching toothed plates 45 can be automatically clamped with the clamping plates 46, so that the connection between the connecting belt and the clamping plates is more stable, the connection process is irreversible, the whole strapping tape 4 can better reinforce and extrude the external heat-insulating layer 3 outside the high-pressure steam pipeline 2, the self stabilizing effect of the external heat-insulating layer 3 is more perfect, then the pipeline is spliced with other parts or connecting pipelines through the use of the bottom end flange 5, so that the two parts can be matched, internal materials can be better conveyed, and finally, the pipeline is reinforced and supported through the use of the connecting device 6, the stability of the pipeline in use is ensured, and the working quality of the equipment is greatly improved, the high-pressure steam pipeline 2 and the external heat-insulating layer 3 are taken up and moved to a target position, then the external heat-insulating layer 3 is placed in a groove in the support frame 62, then the rotating plate 67 is rotated, so that the rotating plate 67 can stably rotate under the matching of the rotating block 66 and the rotating rod 65, when the attaching side plate 68 at the end part of the rotating plate 67 and the connecting side plate 611 at the end part of the support frame 62 are attached and move, the reinforcing screw 610 can be rotated into the reinforcing screw groove 69, and the bottom reinforcing nut 612 is matched with the reinforcing screw 610 through the use of the bottom reinforcing nut, so that the connecting effect of the connecting side plate 611 and the attaching side plate 68 is more perfect, the connecting device 6 can provide stable supporting effect and reinforcing effect for equipment, the equipment can perfectly operate, then the pipeline can be used, in the using process, the use of the structure of the high-pressure steam pipeline 2 can effectively reduce the conveying noise, and improve the wear resistance and the sun-proof effect of the high-pressure steam pipeline 2, so that the service life of the high-pressure steam pipeline 2 is prolonged, the stable conveying of the materials inside can be realized by the cooperation of the inner wall 21 of the steam pipe and the conveying steam pipe 22, the noise generated by the materials and the like in the pipeline can be better treated due to the existence of the noise reduction layer 23, the integral noise is reduced, the equipment is more stable in the conveying process, the characteristic of the sun-proof layer 24 is utilized, the inner wall 21 of the steam pipe and the conveying steam pipe 22 are sufficiently protected, the cracking and damage of the outer wall of the pipeline caused by the long-time irradiation of sunlight are prevented, and the use effect of the pipeline is ensured, finally, the characteristic of the wear-resistant layer 25 is utilized, sufficient protection effect can be provided for the high-pressure steam pipeline 2 per se, the situation that the outer wall of the pipeline is damaged due to friction and collision caused by transportation and the like is prevented, the using effect of the high-pressure steam pipeline 2 per se is better ensured, convenience is provided for transportation, installation and the like of the pipeline, the stability and the conveying effect of the high-pressure steam pipeline 2 per se in the using process can be ensured through the matching of the series of components, the integral working quality is greatly improved, in the conveying process, the internal materials are insulated by utilizing the structure and the material characteristic of the external insulating layer 3 per se, the self insulation effect of the equipment in the using process is ensured, the two-side aerogel insulating felts 31 are directly installed on the outer wall of the high-pressure steam pipeline 2, and then a layer of first aluminum foil glass fiber cloth 32 is externally wrapped, after the aerogel heat insulation blanket 31 is completely wrapped, a layer of first aluminum silicate heat insulation blanket 33 can be wrapped on the outer portion of the first aluminum foil glass fiber cloth 32 again, so that the heat insulation effect of the equipment is more perfect, then on the premise of ensuring safety and stability, the outer wall of the first aluminum silicate heat insulation blanket 33 can be processed, the second aluminum foil glass fiber cloth 34 and the second aluminum silicate heat insulation blanket 35 are gradually wrapped on the outer portion of the first aluminum silicate heat insulation blanket 33, so that the overall sealing effect and heat insulation effect are more perfect, and when the high-pressure steam pipeline 2 is wrapped layer by layer, the joints of the aerogel heat insulation blanket 31, the first aluminum foil glass fiber cloth 32, the first aluminum silicate heat insulation blanket 33, the second aluminum foil glass fiber cloth 34 and the second aluminum silicate heat insulation blanket 35 are required to be on the same horizontal line, so as to be convenient for overall sealing and reinforcing the high-pressure steam pipeline, and the temperature of the material can be ensured as much as possible in the conveying process, the overall working quality is more perfect.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. The utility model provides a high pressure steam pipeline insulation construction, includes bottom block (1), its characterized in that: bottom piece (1) top is provided with high-pressure steam pipe way (2), high-pressure steam pipe way (2) outside fixed mounting has outside heat preservation (3), outside heat preservation (3) surface equidistance fixed mounting has strapping (4), high-pressure steam pipe way (2) bottom fixed mounting has flange (5), bottom piece (1) surface fixed mounting has connecting device (6), connecting device (6) and high-pressure steam pipe way (2) extrusion contact.

2. The high-pressure steam pipeline heat-insulating structure as claimed in claim 1, wherein the flanges (5) are wound with strip-shaped heat-insulating felts with widths of 4-5 cm at two ends to the same width as the outer diameter of the flanges (5), and are fastened and fixed by galvanized iron wires, and the connection of the whole pipeline can be in a welding type or a detachable type.

3. The high-pressure steam pipeline heat-insulating structure according to claim 1, wherein the high-pressure steam pipeline (2) further comprises a steam pipe inner wall (21), a conveying steam pipe (22), a silencing layer (23), a sun-proof layer (24) and a wear-resistant layer (25), the steam pipe inner wall (21) is arranged inside the external heat-insulating layer (3), the conveying steam pipe (22) is fixedly installed outside the steam pipe inner wall (21), the silencing layer (23) is fixedly installed outside the conveying steam pipe (22), the sun-proof layer (24) is fixedly installed outside the silencing layer (23), the wear-resistant layer (25) is fixedly installed outside the sun-proof layer (24), and the wear-resistant layer (25) is fixedly connected with the external heat-insulating layer (3).

4. The high-pressure steam line insulation structure according to claim 3, wherein the sound-deadening layer (23) is mainly composed of polyester fibers in a cocoon cotton shape by high-tech hot pressing.

5. The high-pressure steam pipeline thermal insulation structure as claimed in claim 1, wherein the external thermal insulation layer (3) further comprises an aerogel thermal insulation felt (31), a first aluminum foil glass fiber cloth (32), a first aluminum silicate thermal insulation blanket (33), a second aluminum foil glass fiber cloth (34), a second aluminum silicate thermal insulation blanket (35) and a seam (36), the aerogel thermal insulation felt (31) is fixedly installed at the outside of the high-pressure steam pipeline (2), the first aluminum foil glass fiber cloth (32) is fixedly installed at the outside of the aerogel thermal insulation felt (31), the first aluminum foil glass fiber cloth (32) is fixedly installed at the outside of the first aluminum foil glass fiber cloth (32), the first aluminum silicate thermal insulation blanket (33) is fixedly installed at the outside of the first aluminum silicate blanket (33), the second aluminum foil glass fiber cloth (34) is fixedly installed at the outside of the second aluminum foil glass fiber cloth (34), and the thermal insulation aerogel blanket (31), The joint (36) is formed at the joint of the first aluminum foil glass fiber cloth (32), the first aluminum silicate heat-insulating blanket (33), the second aluminum foil glass fiber cloth (34) and the second aluminum silicate heat-insulating blanket (35).

6. The high-pressure steam pipeline thermal insulation structure as claimed in claim 5, wherein the seam (36) is located outside the range of 45 degrees of the vertical center line of the high-pressure steam pipeline (2), the overall gap of the seam (36) is less than 2mm, and the inside of the seam (36) is sealed by adopting an aluminum foil glass fiber adhesive tape.

7. The high-pressure steam line insulation structure according to claim 6, wherein the strapping (4) further comprises a reinforcing band (41), a base (42), an insertion groove (43), a connection band (44), a mating toothed plate (45) and a snap plate (46), reinforcing belts (41) are equidistantly arranged outside the external heat-insulating layer (3), one end of each reinforcing belt (41) is fixedly provided with a base (42), one end of the reinforcing belt (41) far away from one side of the base (42) is fixedly provided with a connecting belt (44), an insertion groove (43) is formed in the base (42), the connecting band (44) is in sliding insertion connection with the insertion groove (43), connecting band (44) side fixed mounting has cooperation pinion rack (45), reinforcing band (41) inside is located cooperation pinion rack (45) side fixed mounting has joint board (46), cooperation pinion rack (45) and joint board (46) cooperation joint.

8. The high-pressure steam pipeline heat-insulating structure according to claim 6, wherein the connecting device (6) comprises a supporting block (61), a supporting frame (62), a joint top plate (63), a connecting block (64), a rotating rod (65), a rotating block (66), a rotating plate (67), a joint side plate (68), a reinforcing screw groove (69), a reinforcing screw (610), a connecting side plate (611) and a reinforcing nut (612), the supporting block (61) is symmetrically and fixedly installed at the top end of the bottom block (1), the supporting frame (62) is fixedly installed at the top end of the supporting block (61), the connecting side plate (611) is fixedly installed at one end of the supporting frame (62), the connecting block (64) is fixedly installed at the other end of the supporting frame (62), the rotating rod (65) is rotatably installed inside the connecting block (64), and the rotating block (66) is fixedly installed outside the rotating rod (65), the utility model discloses a reinforcing nut, including rotor block (66), support frame (62), rotor block (67), reinforcing nut (612) and reinforcing screw groove (69), reinforcing screw groove (69) are installed to reinforcing screw groove (69) inside screw-thread engagement, reinforcing screw rod (610) tip screw-thread engagement installs reinforcing nut (612), one side fixed mounting that rotor block (66) were kept away from to rotor block (67) one end has laminating curb plate (68), support frame (62) and rotor block (67) inside equal fixed mounting have laminating roof (63), laminating curb plate (68) and connecting curb plate (611) inside common symmetry have been seted up.

9. The high-pressure steam pipeline heat-insulating structure as claimed in claim 6, wherein the connecting device (6) can adopt a conventional pipe bracket or a heat-insulating pipe bracket, wherein the thickness of the heat-insulating layer of the conventional pipe bracket is equal to that of the heat-insulating layer of the pipeline; the thickness of the heat-insulating layer of the heat-insulating pipe bracket is 80 mm.

10. A construction method using the high pressure steam line insulation structure of any one of claims 1 to 9, characterized in that: the method comprises the following steps:

1): calculating, namely calculating the length required by the external heat-insulating layer (3), and then cutting the external heat-insulating layer (3);

2): wrapping, namely wrapping the cut external heat-insulating layer (3) tightly close to the outer side of the high-pressure steam pipeline (2), fastening and fixing by using a strapping tape (4), and ensuring that the angle of the seam joint (36) is arranged outside the range of 45 degrees of the vertical center line of the high-pressure steam pipeline (2) in the strapping process;

3): sealing, namely sealing a seam (36) in the external heat-insulating layer (3) after the external heat-insulating layer (3) is wrapped, so as to ensure that the external heat-insulating layer (3) can be completely tightly attached to the outer wall of the high-pressure steam pipeline (2) in the subsequent work;

4): the high-pressure steam pipeline (2) is tightly connected with a corresponding part through the use of an end flange (5), and the sealing effect of the high-pressure steam pipeline is required to be ensured;