CN211716536U

CN211716536U - Steam condensation heat exchange double-layer pipeline

Info

Publication number: CN211716536U
Application number: CN202020168119.0U
Authority: CN
Inventors: 咸立清; 王凤宇; 龙治风
Original assignee: Fushun Xiangying New Energy Technology Co ltd
Current assignee: Fushun Xiangying New Energy Technology Co ltd
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-10-20
Anticipated expiration: 2030-02-13

Abstract

The utility model relates to a steam condenses double-deck pipeline of heat transfer, including the parent tube, the outside of parent tube is equipped with a pipe, and frame pipe is even all around to be equipped with adjusts the pole, adjusts pole and a tub threaded connection and tightly pushes up the parent tube, is equipped with the ejector pin on the frame intraductal wall, is equipped with the bracing piece on the frame outer wall of tubes, and the outer end of bracing piece is equipped with the protecting tube, is equipped with first heat insulation layer between protecting tube and the frame pipe, is equipped with second heat insulation layer between frame pipe and the parent tube. The utility model adopts the base pipe and the protective pipe to support through the frame pipe, the ejector rod and the support rod, the whole structure has high strength, better steam pressure resistance and good corrosion resistance, and can effectively prolong the service life of the pipeline; in addition, the first heat insulation layer and the second heat insulation layer formed by filling the refractory powder material can perform double heat insulation, so that the temperature in the base pipe is ensured not to be lost, and the heat insulation performance of the pipeline is effectively improved.

Description

Steam condensation heat exchange double-layer pipeline

Technical Field

The utility model belongs to the technical field of the steam conduit, in particular to steam condenses double-deck pipeline of heat transfer.

Background

The boiler is an energy conversion device, and the energy input to the boiler is in the forms of chemical energy in fuel, electric energy, heat energy of high-temperature flue gas and the like, and the steam or hot water can be provided through the conversion of the boiler. The working medium of the steam boiler is water, and the output working medium is steam. The power that the steam conduit of boiler bore usually is great, for safety, adopt seamless steel pipe as the steam conduit of boiler usually, but traditional boiler steam conduit is mostly simple individual layer tube-shape pipe, the structure is very simple, produce the scale corrosion pipe wall easily under the long-time application, the self intensity that the pipe wall received the pipeline after corroding can the variation along with it, make the compressive property of pipeline reduce, the condition that pipeline damage appears easily in the continuation use takes place, under the general condition, the pipe network will take place comparatively serious corruption scale perforation leakage condition about five years. The pipe wall structural strength of current steam iron pipe is relatively poor, and life is shorter, and the barrier propterty of corruption is relatively poor, and simultaneously, the temperature of steam is relatively higher, and the poor heat preservation performance of pipeline can influence the quality of steam and cause calorific loss.

SUMMERY OF THE UTILITY MODEL

The invention provides a steam condensation heat exchange double-layer pipeline, which aims to solve the technical problems of short service life, easy corrosion and poor heat insulation performance of the steam pipeline.

The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a steam condenses double-deck pipeline of heat transfer, its structural feature lies in, including the parent tube, the outside of parent tube is equipped with a pipe, and frame pipe is even all around to be equipped with the regulation pole, adjusts pole and a pipe threaded connection and tightly pushes up the parent tube, is equipped with the ejector pin on the frame intraductal wall, is equipped with the bracing piece on the frame outer wall of tubes, and the outer end of bracing piece is equipped with the protecting tube, is equipped with first heat insulation layer between protecting tube and the frame pipe, is equipped with the second heat insulation layer between frame pipe and the parent.

Furthermore, the number of the adjusting rods is multiple.

Furthermore, the adjusting rods are distributed on the frame pipe in a pairwise symmetrical mode, the front ends of the adjusting rods are provided with threaded heads, the rear ends of the adjusting rods are provided with square plate openings, the threaded heads are in threaded connection with the frame pipe and tightly push the base pipe to enable the base pipe to be concentric with the frame pipe.

Furthermore, the base pipe is tightly jacked by the adjusting rod and then is connected with the protective pipe in a welding mode through an external square plate opening.

Furthermore, the number of the ejector rods is multiple, and the ejector rods are connected with the frame pipes in a welding mode.

Furthermore, the number of the supporting rods is multiple, and the supporting rods are connected with the protective pipe in a welding mode.

Furthermore, the first thermal insulation layer and the second thermal insulation layer are both filled with thermal insulation materials.

The utility model has the advantages that: the utility model adopts the base pipe made of stainless steel material as the lining pipe contacting with steam, the base pipe can directly contact with steam, and the corrosion resistance is good; the base pipe and the protective pipe are supported through the frame pipe, the ejector rod and the support rod, the structural strength is good, and the steam pressure resistance of the base pipe is enhanced; meanwhile, the base tube, the frame tube and the protective tube can be concentrically arranged besides the support of the adjusting rod, so that the improvement of the stress uniformity outside the base tube is ensured; the frame pipe and the protective pipe can be made of common metal materials, the protective pipe can be galvanized to form a protective layer at last to prevent the outside from being corroded, the production cost can be reduced due to low material price, the overall structural strength is high, the steam pressure resistance performance is good, the corrosion resistance is good, the service life of the pipeline can be effectively prolonged, and the economic benefit is improved; in addition, the first heat insulation layer and the second heat insulation layer formed by filling the refractory powder material can perform double heat insulation, so that the temperature in the base pipe is ensured not to be lost, and the heat insulation performance of the pipeline is effectively improved.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a partial schematic view of fig. 1 of the present invention;

FIG. 3 is a schematic view showing the arrangement of the push rods of the present invention on the frame tube;

fig. 4 is a schematic perspective view of the present invention;

fig. 5 is a schematic view of the arrangement of the support rods of the present invention;

in the figure: the

base tube

1, 2 frame pipes, 3 adjusting rods, 31 thread heads, 32 square plate openings, 4 ejector rods, 5 supporting rods, 6 protective tubes, 7 first heat-insulating layers, 8 second heat-insulating layers and 9 anti-rust layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

As an example, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the steam condensation heat exchange double-layer pipeline is structurally characterized by comprising a base pipe 1, wherein the base pipe 1 adopts a seamless steel pipe made of stainless steel material as an inner lining pipe in direct contact with steam, and the inside of the base pipe 1 is in contact with the steam to achieve better corrosion resistance; the outer part of the base tube 1 is provided with a frame tube 2, the periphery of the frame tube 2 can be uniformly provided with a plurality of adjusting rods 3, as shown in fig. 1 and 2, the adjusting rods 3 are distributed on the frame tube 2 in a pairwise symmetry manner and can be distributed at 90 degrees, the front end of each adjusting rod 3 can be provided with a threaded head 31, the rear end of each adjusting rod 3 can be provided with a square plate opening 32, and the threaded heads 31 are in threaded connection with the frame tube 2 and tightly support the base tube 1 to be concentric with the frame tube 2; the inner wall of the frame tube 2 can be provided with a plurality of ejector rods 4, and the frame tube 2 is distributed with the ejector rods 4 after being unfolded along the circumferential direction, as shown in the attached figure 3; referring to fig. 1 and 2, one end of the inner side of the ejector rod 4 can tightly push the outer wall of the base pipe 1, and one end of the outer side of the ejector rod 4 can be welded with the frame pipe 2; the outer wall of the frame tube 2 can be provided with a plurality of support rods 5, the outer ends of the support rods 5 can be provided with protective tubes 6, as shown in fig. 1, 2 and 5, the support rods 5 can be uniformly arranged on the protective tubes 6, and the support rods 5 are welded with the protective tubes 6; meanwhile, the base tube 1 is tightly jacked by the adjusting rod 3 and then can be welded with the protective tube 6 through an external square plate opening 32. The frame pipes 2 and the protective pipes 6 can be made of common metal pipe materials, the protective layers 9 can be formed by galvanizing the outer parts of the protective pipes 6 finally, so that the outer parts are prevented from being corroded, the common metal pipe materials are low in price, the production cost can be reduced, the integral structural strength can be improved, the steam pressure resistance performance is good, the corrosion resistance is good, the service life of a pipeline can be effectively prolonged, and the economic benefit is improved; the base pipe 1 and the protective pipe 6 are supported by the frame pipe 2, the ejector rod 4 and the support rod 5, the structural strength is good, and the steam pressure resistance of the base pipe is enhanced; the adjusting rod 3 can concentrically arrange the base tube 1, the frame tube 2 and the protective tube 6 besides supporting, and the improvement of the stress uniformity outside the base tube 1 is ensured. Can be equipped with first heat insulation layer 7 between protective tube 6 and the frame pipe 2, can be equipped with second heat insulation layer 8 between frame pipe 2 and the parent tube 1, first heat insulation layer 7 and second heat insulation layer 8 are all filled there is fire-resistant powder insulation material, and two-layer insulation material fills first heat insulation layer 7 and the second heat insulation layer 8 that form and can be dual separates the temperature, guarantees that the steam temperature in the parent tube 1 should not run off, the effectual thermal insulation performance who improves the pipeline.

In the specific embodiment of the utility model, firstly, the adjusting rods 3 are distributed in 90 degrees and are connected with the frame pipe 2 by screw threads, then the base pipe 1 is arranged in the frame pipe 2, the concentricity is adjusted by the adjusting rods 3, and the base pipe 1 is tightly connected with the adjusting rods; uniformly drilling holes on the frame pipe 2, inserting the ejector rod 4 into the hole of the frame pipe 2 and touching the outer wall of the base pipe 1, and welding and connecting the ejector rod 4 with the frame pipe 2; after the ejector rods 4 are completely welded, a plurality of holes are uniformly distributed on the protective pipe 6 at 90 degrees, the protective pipe 6 is sleeved outside the frame pipe 2, and the holes distributed at 90 degrees on the protective pipe 6 are aligned with the outer end face of the square plate opening 32 and are welded; after the protective tube 6 is connected with the frame tube 2 through the adjusting rod 3, a plurality of round holes are uniformly drilled on the excircle of the protective tube 6, the metal support rod 5 is inserted into the round hole on the protective tube 6 and then tightly props against the outer wall of the frame tube 2, and the tail part of the metal support rod is connected with the protective tube 6 in a welding way; welding and plugging an annular gap formed by a protective pipe 6 and a base pipe 1 at one end, vertically placing the end of the pipeline plug downwards, adding powdery dry refractory powder into the annular gap sealed at the upper end of the pipeline, compacting the powder through repeated vibration of the pipeline formed by welding the protective pipe 6 and the like, and then welding and plugging the upper end of the pipeline; finally, the manufactured pipeline is clamped on a lathe to simply round the outer circle of the protective pipe 6, so that after welding slag falls off, the outer surface of the protective pipe 6 is galvanized, and the corrosion resistance of the protective pipe 6 made of common metal is enhanced.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.

Claims

1. A steam condensation heat exchange double-layer pipeline is characterized in that: including the parent tube, the outside of parent tube is equipped with a pipe, and frame pipe is even all around to be equipped with adjusts the pole, adjusts pole and a pipe threaded connection and with the parent tube top tight, is equipped with the ejector pin on the frame intraductal wall, is equipped with the bracing piece on the frame pipe outer wall, and the outer end of bracing piece is equipped with the protecting tube, is equipped with first heat insulation layer between protecting tube and the frame pipe, is equipped with the second heat insulation layer between frame pipe and the parent tube.

2. The steam condensing heat exchange double-layer pipe according to claim 1, wherein: the number of the adjusting rods is multiple.

3. The steam condensing heat exchange double-layer pipe according to claim 1, wherein: the adjusting rods are distributed on the frame pipe in a pairwise symmetrical mode, the front ends of the adjusting rods are provided with threaded heads, the rear ends of the adjusting rods are provided with square plate openings, and the threaded heads are in threaded connection with the frame pipe and tightly push the base pipe to enable the base pipe to be concentric with the frame pipe.

4. The steam condensing heat exchange double-layer pipe according to claim 3, wherein: the adjusting rod tightly pushes the base tube and then is connected with the protective tube in a welding mode through an external square plate opening.

5. The steam condensing heat exchange double-layer pipe according to claim 1, wherein: the number of the ejector rods is multiple, and the ejector rods are connected with the frame pipes in a welding mode.

6. The steam condensing heat exchange double-layer pipe according to claim 1, wherein: the quantity of bracing piece is a plurality of, bracing piece and protective tube welded connection.

7. The steam condensing heat exchange double-layer pipe according to claim 1, wherein: and the first heat insulation layer and the second heat insulation layer are filled with heat insulation materials.