CN103912736A

CN103912736A - Combined directly buried prefabricated heat-insulation water and steam delivery method

Info

Publication number: CN103912736A
Application number: CN201410164350.1A
Authority: CN
Inventors: 刘刚; 董明涛
Original assignee: LIAONING LONG BIG TUBE INDUSTRY Co Ltd
Current assignee: Liaoning Hengyi Industrial Co ltd
Priority date: 2014-04-19
Filing date: 2014-04-19
Publication date: 2014-07-09
Anticipated expiration: 2034-04-19
Also published as: CN103912736B

Abstract

The invention provides a combined directly buried prefabricated heat-insulation water and steam delivery method. Two media comprising steam and water are delivered simultaneously by sleeves isolated from one another, the water and the steam are simultaneously delivered by the same distance and are in heat exchange with each other along the path, combined directly buried prefabricated heat-insulation water and steam delivery pipes and assorted pipe fittings are connected to one another according to actual construction needs, the tail end of each combined water and steam delivery pipe is in heat exchange with a secondary net, and the purposes of canceling establishment of an origin station or a center station and greatly reducing the construction cost of the delivery pipes can be achieved; and moreover, when the steam and the water are simultaneously delivered by the same distance, the steam can be in heat exchange with the water in real time, the heat of the steam is transmitted to the water to enable the heat of the water to be maintained, and the heat delivery efficiency is greatly improved.

Description

A kind of direct-burried prefabricated thermal insulation carbonated drink associating delivery method

Technical field

The mode that the present invention relates to mutually isolate delivering vapor and water two media realize the direct-burried prefabricated thermal insulation pipeline along journey steam-water heat exchanging simultaneously, particularly realizes carbonated drink and combines and carry and along the product design concept of Cheng Huanre and adopt the make that in rolling type, guiding trestle combines steam transmitting pipe with conventional polyurethanes thermal insulation pipe.

Background technique

At present, in the time that central heat supply thermal source is steam source (thermoelectricity plant, steam boiler etc.), adopt directly send steam to central station realize externally carry with hot water again after steam-water heat exchanging and with secondary network again the mode of heat exchange realize, adopt and near steam (vapor) outlet, build steam-water heat exchanging initial station, heat exchange by steam and water obtains high-temperature water, more externally carries and in the mode of each heat exchange station and secondary network heat exchange.No matter which kind of mode, all can have the construction investment of first heat exchange station or central station, and larger heat loss when keeping away unavoidable steam and carrying separately.For large-scale centralized heating project, after the heat exchange of initial station, the caliber of hot water pipeline is generally larger, and the construction investment of pipeline is more.So far, not yet find the solution that is applicable to steam source and realizes reliable, economic, efficient, the little investment of external central heat supply.

Summary of the invention

The present invention is intended to externally realize for steam source described in background technique the deficiency existing in centralized heating project, combine delivery method and propose a kind of direct-burried prefabricated thermal insulation carbonated drink, by steam and water in the mode of mutually isolating simultaneously, carry and realize along Cheng Huanre with journey, carbonated drink associating conveyance conduit is realized and secondary network heat exchange endways, can reach the object of cancelling initial station or central station construction, greatly reducing the construction cost of conveyance conduit; And steam and water, at the same time with in journey course of conveying, can carry out the heat transfer process of steam and water in real time, and the heat of steam is transferred to aqueous medium, and the heat of aqueous medium is kept, and has greatly improved heat energy transfer efficiency.

For achieving the above object, the present invention is achieved through the following technical solutions:

A kind of direct-burried prefabricated thermal insulation carbonated drink associating delivery method, the method is with the sleeve pipe mode of mutually isolating delivering vapor and water two media realize aqueous medium and steam medium is carried with journey and along Cheng Huanre, adopt direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and necessary thereof need to interconnect realization according to practice of construction simultaneously simultaneously; Described direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and necessary thereof include internal layer steam transmitting pipe, outer conduit pipe and are positioned at conduit pipe outside, thermal insulation layer, outer pillar, between steam transmitting pipe and conduit pipe, be provided with the guiding trestle assembly of realizing steam transmitting pipe thermal expansion guiding and keeping relative position between steam transmitting pipe, conduit pipe, steam medium is carried by steam transmitting pipe, aqueous medium is carried by the mezzanine space between steam transmitting pipe and conduit pipe, realizes aqueous medium and steam medium simultaneously with journey conveying with along Cheng Huanre.

The direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and the necessary thereof that adopt comprise: direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow, the threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator and direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator, each constituent element, according to construction needs, is connected, and jointly completes the function that carbonated drink is combined conveying.

Direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, inner tube is steam transmitting pipe, external pipe is conduit pipe, between steam transmitting pipe and conduit pipe, be provided with the guiding trestle assembly of realizing steam transmitting pipe thermal expansion guiding and keeping relative position between steam transmitting pipe, conduit pipe, conduit pipe outside is provided with thermal insulation layer and outer pillar; Steam medium is carried by steam transmitting pipe, and aqueous medium is carried by the mezzanine space between steam transmitting pipe and conduit pipe, realizes aqueous medium and steam medium simultaneously with journey conveying with along Cheng Huanre.

Direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, inner tube is steam transmitting pipe, external pipe is conduit pipe, between steam transmitting pipe and conduit pipe, be welded and fixed by interior fixed board, described interior fixed board can adopt two groups, is separately positioned on conduit pipe end position, also can adopt one group, be arranged on the point midway of bend pipe segmental arc; Conduit pipe outside is provided with thermal insulation layer and outer pillar; The specification parameter of each constituent element all combines delivery pipe with the direct-burried prefabricated thermal insulation carbonated drink being connected or necessary matches, media flow mode is identical with direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, the bend pipe of conduit pipe and steam transmitting pipe all adopts identical radius of curvature, to guarantee the concentric relation of the two.

The threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, steam transmitting pipe supervisor, steam transmitting pipe branched pipe form the threeway of steam transmitting pipe plane, conduit pipe supervisor and conduit pipe branched pipe form the threeway of conduit pipe plane jointly, and the threeway of steam transmitting pipe plane and the threeway of conduit pipe plane keep relative position relation by the guiding trestle assembly that is arranged on conduit pipe supervisor two ends and conduit pipe branched pipe end; Conduit pipe is outward thermal insulation layer and outer pillar; The specification parameter of described steam transmitting pipe, conduit pipe and outer pillar all combines delivery pipe with the direct-burried prefabricated thermal insulation carbonated drink being connected or necessary matches.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, described steam transmitting pipe and conduit pipe are fixed by interior fixed board, jointly form carbonated drink associating structure for conveying by steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, comprises steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, is provided with guiding trestle assembly between described steam transmitting pipe and conduit pipe; Conduit pipe outside is fixed by fixed block, thrust disc and skirt sleeve pipe, jointly forms carbonated drink associating structure for conveying by steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers, comprise two pipe nipples of steam transmitting pipe reducer, conduit pipe reducer, thermal insulation layer, outer pillar and steam transmitting pipe reducer, conduit pipe reducer, steam transmitting pipe reducer, conduit pipe reducer suit composition Concentric Reducers, conduit pipe covers thermal insulation layer outward, and thermal insulation layer outside is provided with outer pillar; Between described Concentric Reducers end steam transmitting pipe and conduit pipe, be provided with guiding trestle assembly, jointly form carbonated drink associating structure for conveying by steam transmitting pipe reducer, conduit pipe reducer, thermal insulation layer and outer pillar.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator, comprise steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar, be provided with flow guiding casing tube at steam transmitting pipe compensator body movable end, flow guiding casing tube is connected to form by reducer and straight length, the small-bore side of reducer and steam transmitting pipe are welded to connect, straight length is positioned at compensator body outside, and straight length end face is unrestricted without connecting; The position that is connected welding bead from flow guiding casing tube straight length and reducer is not less than the compensation rate of compensator to the distance compensator body end face, guarantee that compensator normally moves; Between the end of compensator steam transmitting pipe and conduit pipe, fix by guiding trestle assembly guide support.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator; comprise steam transmitting pipe, conduit pipe compensator body, thermal insulation layer, outer pillar; adopt high density polyethylene (HDPE) waterproof sealing bellows and high-density polyethylene external protective pipe to be welded to connect, jointly realize protection and the waterproof sealing function to thermal insulation layer.

The guiding trestle assembly of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and necessary thereof, formed by ring and guiding trestle gusset in guiding trestle outer shroud, guiding trestle rolling assembly, guiding trestle, between guiding trestle rolling assembly encircles in guiding trestle outer shroud and guiding trestle, guiding trestle outer shroud outside is provided with gusset, gusset and conduit pipe inwall are welded and fixed, guiding trestle inner ring sleeve is loaded on steam transmitting pipe outside, the roller of guiding trestle rolling assembly contacts with steam transmitting pipe outer wall, realizes and supporting and guide function.

Compared with prior art, the invention has the beneficial effects as follows:

1) by product design concept of the present invention, by steam and water simultaneously, carry and along Cheng Huanre with journey, realize and secondary network heat exchange at carbonated drink associating conveyance conduit end, can realize the object of cancelling initial station or central station construction, greatly reducing the construction cost of conveyance conduit.

2) steam and water are at the same time with in journey course of conveying, can carry out in real time the heat transfer process of steam and water, the heat of steam is transferred to the aqueous medium of outer shroud in course of conveying, make aqueous medium the heat of aqueous medium be kept because of the heat that has absorbed steam and distribute, reasonably utilize heat energy, avoid thermal loss, greatly improved heat energy transfer efficiency.

3) the invention provides and distinguish the prefabricated direct-buried insulation steaming of independent delivering vapor and water simultaneously and commonly use necessary, utilize double-skin duct structure to carry out carrying carbonated drink associating and realizing along Cheng Huanre, use guiding trestle assembly to realize the concentricity of steam transmitting pipe and conduit pipe two sleeve pipes, give steam and the water thermal expansion measure in course of conveying that prevents, structure utilization and design concept are very ingenious; The steam tube of structure of the present invention and conduit pipe share same thermal insulation layer and outer pillar, simple and practical, greatly reduce construction investment; And with remote gas pipeline of the prior art and aqueduct separately independent conveying technology compare, also greatly saved floor space, there is extraordinary economic benefit and social benefit.

Accompanying drawing explanation

Fig. 1 is direct-burried prefabricated thermal insulation carbonated drink associating pipe structure figure.

In Fig. 1: 1. steam transmitting pipe 2. transports ring 7. guiding trestle gusset 8. conduit pipe 9. polyurethane insulation coating 10. high-density polyethylene external protective pipes in positioning ring 3. guiding trestle outer shroud 4. guiding trestle rolling assembly 5. thermal shrinkage sealing end cap 6. guiding trestles.

Fig. 2 is direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow structural drawing.

In Fig. 2: 1. interior fixed board 3. conduit pipe 4. thermal shrinkage sealing end cap 5. polyurethane insulation coating 6. high-density polyethylene external protective pipes of steam transmitting pipe 2..

Fig. 3 is direct-burried prefabricated thermal insulation carbonated drink associating transporting flat three-port structure figure.

In Fig. 3: 1. in steam transmitting pipe supervisor 2. supervisor's guiding trestles, ring 3. supervisor's guiding trestle roll wheel assemblies 4. are responsible for guiding trestle gusset 5. and are responsible for guiding trestle outer shroud 6. and are responsible for thermal shrinkage sealing end cap 7. polyurethane insulation coatings 8. and are responsible for high-density polyethylene external protective pipe 9. conduit pipes and are responsible for ring and roll wheel assembly 16. steam transmitting pipe branched pipes in 10. branched pipe high-density polyethylene external protective pipe 11. branched pipe thermal shrinkages sealing end cap 12. conduit pipe branched pipe 13. branched pipe guiding trestle outer shroud 14. branched pipe guiding trestle U-shaped fixed plate 15. branched pipe guiding trestles.

Fig. 4 is direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot structural drawing.

In Fig. 4: 1. the interior fixed board 3. conduit pipe 4. thermal shrinkage sealed ends of steam pipeline 2. seal 5. polyurethane insulation coating 6. high-density polyethylene external protective pipes.

Fig. 5 is direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot structural drawing.

In Fig. 5: 1. ring 3. guiding trestle outer shroud 4. guiding trestle roll wheel assembly 5. guiding trestle gusset 6. conduit pipe 7. high-density polyethylene external protective pipe 8. thermal shrinkage sealing strip 9. polyurethane insulation coating 10. thermal shrinkage sealing end cap 11. thrust disc 12/13. fixed block 14. skirt sleeve pipes in steam pipeline 2. guiding trestles.

Fig. 6 is direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers structural drawing.

In Fig. 6: 1. the interior ring of the small-bore side thermal shrinkage sealing end cap 8. high-density polyethylene external protective pipe 9. steam transmitting pipe reducer 10. conduit pipe reducer 11. steam transmitting pipe heavy caliber side joint pipe 12. conduit pipe heavy caliber side joint pipe 13. heavy caliber side thermal shrinkage sealing end cap 14. polyurethane insulation coating 15. heavy caliber side guiding trestle roll wheel assembly 16. heavy caliber side guiding trestles of the small-bore side guiding trestle U-shaped of the ring small-bore side joint pipe 4. of 3. conduit pipe small-bore side guiding trestle roll wheel assembly 5. small-bore side guiding trestle outer shroud 6. fixed plate 7. 17. heavy caliber side guiding trestle outer shroud 18. heavy caliber side guiding trestle gussets in the small-bore side guiding trestle of the small-bore side joint pipe 2. of steam transmitting pipe.

Fig. 7 is direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator structure figure.

In Fig. 7: 1. steam transmitting pipe compensator movable end is taken over ring 3. guiding trestle roll wheel assembly 4/13. thermal shrinkage sealing end cap 5. guiding trestle outer shroud 6. guiding trestle gusset 7. high-density polyethylene external protective pipe 8. polyurethane insulation coating 9. flow guiding casing tube 10. conduit pipe 11. compensator body 12. steam transmitting pipe compensator fixed ends in 2. guiding trestles and taken over 14. guiding trestle assemblies.

Fig. 8 is direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator structure figure.

In Fig. 8: 1. in steam transmitting pipe 2. guiding trestles, ring 3. guiding trestle roll wheel assembly 4/16. thermal shrinkage sealing end cap 5. guiding trestle outer shrouds and gusset 6/17. conduit pipe are taken over 7/9/10/14. high-density polyethylene external protective pipe 8/15. polyurethane insulation coating 11. high density polyethylene (HDPE) waterproof sealing bellows 12. centrifugally glass-wool thermal insulation layer 13. conduit pipe compensator bodies.

Embodiment

Below in conjunction with accompanying drawing explanation, the embodiment of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe of the present invention and necessary is described in further detail.

Direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe of the present invention and necessary are to combine by having carbonated drink the extremely matching used direct-burried prefabricated thermal insulation of the pipeline carbonated drink associating transporting elbow of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe of carrying this common function and structure feature, the threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator and direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator form jointly, narrate the structure composition of each delivery pipe and necessary thereof below by each subitem, purposes and making method.

1, direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe

See Fig. 1, steam transmitting pipe that direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe is used by a delivering vapor 1, one carry 8,2 groups of conduit pipes that aqueous medium uses for keeping steam transmitting pipe and conduit pipe relative position, be positioned at that the guiding trestle assembly of conduit pipe end positions, the polyurethane insulation coating 9 that plays function of heat insulation, 10 and 2 of high-density polyethylene external protective pipes playing the effect of protection thermal insulation layer are positioned at thermal insulation layer two ends, the thermal shrinkage sealing end cap 5 that overlaps respectively with conduit pipe and high-density polyethylene external protective pipe forms jointly.Guiding trestle assembly by guiding trestle outer shroud 3, guiding trestle rolling assembly 4, guiding trestle, encircle 6 and guiding trestle gusset 7 form, guiding trestle rolling assembly 4 encircles between 6 in guiding trestle outer shroud 3 and guiding trestle, guiding trestle outer shroud 3 outsides are provided with gusset 7, gusset 7 is welded and fixed with conduit pipe 8 inwalls, in guiding trestle, ring 6 is set in steam transmitting pipe 1 outside, the roller of guiding trestle rolling assembly 4 contacts with steam transmitting pipe 1 outer wall, realizes and supporting and guide function.Transportation positioning ring 2 is positioned at the outside of guiding trestle ring 6, realizes locating function.

When work, steam is carried by steam transmitting pipe 1, and cold water is carried from the space between steam transmitting pipe 1 and conduit pipe 8, and in course of conveying, internal layer steam and outer water carry out heat exchange, during to duct end equipment interface, in conduit pipe 8, steam transmitting pipe 1, are hot aqueous medium.Between steam transmitting pipe and conduit pipe, adopt guiding trestle assembly to keep the two relative position relation.In rolling type, the roller of guiding trestle contacts with steam transmitting pipe, realizes and supporting and guide function, and be welded and fixed by gusset 7 and conduit pipe 8.Conduit pipe 8 outsides adopt polyurethane heat insulation material to realize incubation and thermal insulation function, and the outside of thermal insulation layer 9 is high-density polyethylene external protective pipes 10.Every pipeline has two groups of guiding trestle assemblies, lays respectively at pipe ends.The end of polyurethane insulation coating 9 all adopts thermal shrinkage sealing end cap 5 to carry out waterproof sealing.This product is splendid to the adaptability of construction, can adapt to high water level environment and rainy season construction.Adopting direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe can realize from steam boiler or power plant's pressure and temperature reducing station directly carries with journey to steam regional center heat exchange station and hot water, be aided with suitable adjustment control apparatus, can build steam-water heat exchanging initial station, initial station investment can all be saved.Meanwhile, bimetallic tube can greatly reduce the investment cost of medium hot medium transportation pipeline with journey delivering vapor and water, for the Heat Supply Engineering with steam source, and its Economy highly significant.This product structure is simple, does not comprise vulnerable components, can long-term stable operation.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe is:

1) by 8 one of satisfactory conduit pipes, be set with satisfactory high-density polyethylene external protective pipe 10, if necessary, can adopt auxiliary centering, location measure.After suit, between end, conduit pipe and the high-density polyethylene external protective pipe of high-density polyethylene external protective pipe, sealing flange is installed, on sealing flange, should be had exhaust port and material hole, exhaust port adopts material-pluging with holes, guarantees exhaust but can not reveal polyurethane material.By material hole, inject the polyurethane foam material of the quantity that meets the demands with the material feeding rifle of high-pressure foam equipment, after foaming, leave standstill 10 minutes.Conduit pipe, polyurethane insulation coating and high-density polyethylene external protective pipe assemblying body (being called for short assemblying body 1) complete;

2) steam transmitting pipe is adopted assistant tool be passed in the conduit pipe of assemblying body 1, two ends exceed conduit pipe pipe end and spill 150mm;

3) steam transmitting pipe two ends suits guiding trestle assembly (encircle in by guiding trestle outer shroud 3, guiding trestle rolling assembly 4, guiding trestle 6 and guiding trestle gusset 7 jointly form);

4) adopt auxiliary mould to carry out concentric locating steam transmitting pipe and conduit pipe, adjust rolling type guiding trestle concordant with conduit pipe end face to end face outside outer shroud, employing welding manner is welded and fixed guiding trestle gusset and conduit pipe internal surface;

5) by transportation positioning ring 2 near the two ends of encircling end face in guiding trestle and be sleeved on steam transmitting pipe, tighten the bolt that transportation location is changed, guarantee transportation positioning ring and steam transmitting pipe is fastening and relative position vibration can not occur;

6) the first-class thermal shrinkage sealing end cap in thermal insulation layer end, adopts liquid gas spray gun homogeneous heating thermal shrinkage end cap until hot melt adhesive is evenly overflowed, and completes thermal shrinkage sealing end cap and installs.Whole completes.

2, direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow

See Fig. 2, direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow is made up of jointly a steam transmitting pipe (bend pipe) 1, conduit pipe (bend pipe) 3, polyurethane insulation coating 5, high-density polyethylene external protective pipe (mitre bend) 6, two thermal shrinkage sealing end caps 4 that play the effect of thermal insulation layer end part seal and one group or two groups of interior fixed boards 2.Steam transmitting pipe (bend pipe) 1 and conduit pipe (bend pipe) 3 have identical radius of curvature and keep concentric relation by interior fixed board.High-density polyethylene external protective pipe 6 keeps concentric relation by polyurethane insulation coating 5 and conduit pipe 3.Interior fixed board 2, for steam transmitting pipe 1 is relative fixing in the position of conduit pipe end with conduit pipe 3, in pipeline, is realized the function that steam transmitting pipe compensating unit is carried out to graduation.External diameter, the wall thickness equal-specification of steam transmitting pipe, conduit pipe and outer pillar are identical with connected direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe on pipeline.

Direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow, refers to and combines 90 ° of direct-burried prefabricated thermal insulation carbonated drink associating transporting elbows that conveyance conduit matches with direct-burried prefabricated thermal insulation carbonated drink, for changing pipeline trend, meanwhile, guarantees that each layer of medium transport is unaffected.On two straight-arms of bend pipe, between steam transmitting pipe 1 and conduit pipe 3, be separately installed with interior fixed board 2, for by relative with steam transmitting pipe conduit pipe fixing, in conduit running, use as an immovable point of turning back of steam transmitting pipe.Steam transmitting pipe and conduit pipe all adopt the bend pipe of same curvature radius, and conduit pipe and steam transmitting pipe that conduit pipe and steam transmitting pipe are respectively used to combine with direct-burried prefabricated thermal insulation carbonated drink delivery pipe are welded to connect.Conduit pipe 3 is outer polyurethane insulation coating 5, plays function of heat insulation, and thermal insulation layer 5 outsides are high-density polyethylene external protective pipe 6, plays the effect of protection thermal insulation layer.Two ends of thermal insulation layer are all provided with thermal shrinkage sealing end cap 4, for preventing construction or depositing thermal insulation layer in process and make moist or be subject to water logging.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

Apply in a flexible way as of the present invention, direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow and other pipe fitting common combination manufacture can be formed to assembly parts.

The present invention can increase steam transmitting pipe groove guard ring for traffic requirements, but supplementary protection ring does not form necessary structure of the present invention.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow is:

1) by satisfactory steam transmitting pipe 1 bend pipe together with conduit pipe 3 bend pipes with straight section are not set on, then according to Len req, get the conduit pipe straight length of satisfying the demand and be connected with conduit pipe elbow pipe welding;

2) adopt auxiliary mould by conduit pipe and steam transmitting pipe concentric locating and guarantee that steam transmitting pipe two ends all exceed conduit pipe end face 150mm.Take the interior fixed board 2 meeting design requirement, adjust location, position according to circumference uniform distribution, adopt welding manner that every interior fixed board is welded and fixed respectively at conduit pipe internal surface and steam transmitting pipe outer surface;

3) be set with each mitered pipeline section of high-density polyethylene external protective pipe 6 outward at conduit pipe, employing is extruded welding manner and is welded to connect, and adjusts the relative position of high-density polyethylene external protective pipe and conduit pipe, guarantees the concentric relation of the two, guaranteeing that conduit pipe exposed length in two ends is identical, is respectively 150mm;

4) foaming sealing flange is installed between high-density polyethylene external protective pipe end and conduit pipe, by the material hole of flange, is utilized high-pressure foam equipment, inject polyurethane foam raw material, injected latter standing 10 minutes, remove sealing flange;

5) the first-class thermal shrinkage sealing end cap in thermal insulation layer end, adopts liquid gas spray gun homogeneous heating thermal shrinkage end cap until hot melt adhesive is evenly overflowed, and completes thermal shrinkage sealing end cap and installs.Whole completes.

3, direct-burried prefabricated thermal insulation carbonated drink associating transporting flat threeway

See Fig. 3, the threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat is made up of jointly a steam transmitting pipe supervisor 1 and a steam transmitting pipe branched pipe 16, a conduit pipe supervisor 9 and the threeway of the common formation conduit pipe of conduit pipe branched pipe 12 plane, the threeway of steam transmitting pipe plane and the threeway of conduit pipe plane are responsible for the guiding trestle assembly of 9 two ends and steam transmitting pipe branched pipe 16 and conduit pipe branched pipe 12 ends and are determined concentric position relation by being installed on steam transmitting pipe supervisor 1 and conduit pipe, supervisor's guiding trestle assembly encircles 2 by being responsible in guiding trestle, supervisor's guiding trestle roll wheel assembly 3, supervisor's guiding trestle gusset 4 and supervisor's guiding trestle outer shroud 5 form jointly, the guiding trestle assembly of branched pipe is by branched pipe guiding trestle outer shroud 13, in branched pipe guiding trestle U-shaped fixed plate 14 and branched pipe guiding trestle, ring and roll wheel assembly 15 form jointly, determine the concentric relation of steam transmitting pipe branched pipe 16 and conduit pipe branched pipe 12.Conduit pipe supervisor 1 is polyurethane insulation coating 7 with the outside of conduit pipe branched pipe 12, and the outside of polyurethane insulation coating 7 is supervisor's high-density polyethylene external protective pipe 8 and branched pipe high-density polyethylene external protective pipe 10.Supervisor two ends are separately installed with supervisor's thermal shrinkage sealing end cap 6, and branched pipe end is provided with branched pipe thermal shrinkage sealing end cap 11.

The threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat, refer to combine with direct-burried prefabricated thermal insulation carbonated drink that conveyance conduit matches for drawing the plane tee pipe fitting of branch.The supervisor of pipe fitting and branched pipe all arrange conduit pipe, steam transmitting pipe, polyurethane insulation coating, polyethylene outer protective pipe and thermal shrinkage sealing end cap.Conduit pipe and steam transmitting pipe that conduit pipe and steam transmitting pipe are respectively used to combine with direct-burried prefabricated thermal insulation carbonated drink delivery pipe are welded to connect, between the conduit pipe and steam transmitting pipe of the end of supervisor conduit pipe two ends and branched pipe conduit pipe, be separately installed with guiding trestle in a rolling type, for keeping position relationship between conduit pipe and steam transmitting pipe, do not hinder the be in operation realization of thermal expansion displacement of two pipes simultaneously.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

Apply in a flexible way as of the present invention, the associating transporting flat threeway of direct-burried prefabricated thermal insulation carbonated drink and other pipe fitting common combination manufacture can be formed to assembly parts.

The present invention can increase transportation positioning ring or steam transmitting pipe groove guard ring for traffic requirements, but additional positioning ring or guard ring do not form necessary structure of the present invention.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat threeway is:

1) get a steam transmitting pipe threeway, adopt welding manner to take over and be welded to connect respectively at steam transmitting pipe supervisor 1 at its two ends;

2) conduit pipe threeway is sleeved on outside the steam transmitting pipe being connected with supervisor's high-density polyethylene external protective pipe 8, it is identical that branched pipe direction is drawn direction;

3) branch's end face of the adapter of steam transmitting pipe branched pipe 16 and steam transmitting pipe threeway is located and is welded to connect;

4) branch's end face of the adapter of conduit pipe branched pipe 12 and conduit pipe threeway is located and is welded to connect;

5) be set with guiding trestle assembly at the two ends of steam transmitting pipe supervisor and branched pipe and (in by supervisor's guiding trestle, encircle 2, supervisor's guiding trestle outer shroud 5, the common formation supervisor's guiding trestle assembly of supervisor's guiding trestle roll wheel assembly 3 and supervisor's guiding trestle gusset 4, branched pipe guiding trestle assembly is by branched pipe guiding trestle outer shroud 13, the U-shaped fixed plate 14 of branched pipe guiding trestle, in branched pipe guiding trestle, ring and roll wheel assembly 15 form jointly), adjustment makes outside guiding trestle outer shroud end face concordant with conduit pipe end face, the internal surface of guiding trestle gusset/U-shaped fixed plate and conduit pipe is welded and fixed,

6) be welded to connect branched pipe high-density polyethylene external protective pipe 10;

7) adjust high-density polyethylene external protective pipe make its supervisor and branched pipe all concentric with supervisor and the branched pipe of conduit pipe, use if desired auxiliary centering support; Supervisor and branched pipe high-density polyethylene external protective pipe end, foaming sealing flange is installed respectively;

8) use high pressure foaming machine, by the material hole of sealing flange, inject polyurethane foam raw material, foam and leave standstill 10 minutes;

9) the first-class thermal shrinkage sealing end cap in thermal insulation layer end, adopts liquid gas spray gun homogeneous heating thermal shrinkage end cap until hot melt adhesive is evenly overflowed, and completes thermal shrinkage sealing end cap and installs.Whole completes.

4, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot

See Fig. 4, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, jointly form carbonated drink associating structure for conveying by steam transmitting pipe 1, conduit pipe 3, polyurethane insulation coating 5 and high-density polyethylene external protective pipe 6, described steam transmitting pipe 1 and conduit pipe 3 are fixing by interior fixed board 2.The fixing-assembly that one group of interior fixed board 2 being distributed along even circumferential by some (determining according to caliber and Force Calculation) forms is fixed and keeps concentric relation relative the position of steam transmitting pipe 1 pipeline section and conduit pipe 3 pipeline sections; the outside of conduit pipe 3 is polyurethane insulation coatings 5; the outside of polyurethane insulation coating 5 is high-density polyethylene external protective pipes 6; a thermal shrinkage sealing end cap 4 is equipped with respectively in two ends of polyurethane insulation coating 5, in order to protect thermal insulation layer to avoid humidity or water logging destruction.Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot in order to graduation steam transmitting pipe compensating unit, has and only has a steam transmitting pipe temperature compensation equipment in pipeline in each compensating unit.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, it is the necessary of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, in utilizing, fixed board is by relative with conduit pipe steam transmitting pipe fixing, be in operation, its effect is the compensating unit of dividing steam transmitting pipe, between every two adjacent steam transmitting pipe fixed knots, has and only have the equipment for steam transmitting pipe compensation.In structure, comprise steam transmitting pipe, interior fixed board, conduit pipe, polyurethane insulation coating, high-density polyethylene external protective pipe and the thermal shrinkage sealing end cap for thermal insulation layer end waterproof sealing.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot also can be combined delivery pipe assembly by realizing steam transmitting pipe fixed knot with the guiding trestle assembly of the alternative direct-burried prefabricated thermal insulation carbonated drink associating of interior fixed board delivery pipe one end with carbonated drink.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

As application of the present invention, the fixing-assembly welded and installed that interior fixed board can be formed is in the end of a direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit, substitute the former guiding trestle assembly that is installed on carbonated drink associating conveyance conduit end, combine the common assembly parts forming of delivery pipe with carbonated drink and form steam transmitting pipe fixed knot.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot is:

1) get the conduit pipe 3 and high-density polyethylene external protective pipe 6 suit location that meet design length requirement, guarantee that conduit pipe two ends all exceed high density polyethylene pipe end face 1500mm, the first-class foaming sealing flange in high-density polyethylene external protective pipe end;

2) utilize high pressure foaming machine, by the material hole of sealing flange, required polyurethane foam raw material are injected into the cavity between high-density polyethylene external protective pipe and conduit pipe, foaming, leaves standstill 10 minutes;

3) steam transmitting pipe 1 is inserted in conduit pipe, both ends of the surface all exceed conduit pipe end face 150mm;

4) get the interior fixed board 2 of meet the demands specification and quantity, be located at the position between two ends conduit pipe and steam transmitting pipe, circumference uniform distribution, the lateral surface of interior fixed board is concordant with conduit pipe end face, and interior fixed board is welded and fixed respectively at conduit pipe internal surface and steam transmitting pipe outer surface;

5, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot

See Fig. 5, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, jointly form carbonated drink associating structure for conveying by steam transmitting pipe 1, conduit pipe 6, polyurethane insulation coating 9 and high-density polyethylene external protective pipe 7, between described steam transmitting pipe 1 and conduit pipe 6, be provided with guiding trestle assembly; Conduit pipe 6 is outside fixing by fixed block 12, fixed block 13, thrust disc 11 and skirt sleeve pipe 14.

Steam transmitting pipe 1 pipeline section and conduit pipe 6 pipeline section by two groups lay respectively at conduit pipe pipeline section two ends by encircling 2 in guiding trestle, the guiding trestle assembly that forms of guiding trestle outer shroud 3, guiding trestle roll wheel assembly 4 and some guiding trestle gussets 5 being uniformly distributed along the circumference forms concentric position relationship mutually, steam transmitting pipe 1 thermal expansion action is at work led by two groups of guiding trestle assemblies; Conduit pipe 6 by two groups lay respectively at thrust disc 11 both sides and with thrust disc near, be uniformly distributed along the circumference and the fixed block 12 and 13 that mutually staggers realize relative fixing, in work thrust disc 11 bear pipeline axial thrust and by conduit pipe 6 at the position of thrust disc 11 axial restraint; The both sides of thrust disc 11, two skirt sleeve pipes 14 that are connected with thrust disc seal welding are set with both sides high-density polyethylene external protective pipe 7 respectively, polyethylene outer protective pipe 7 is positioned at skirt sleeve pipe 14, adopts thermal shrinkage sealing strip 8 that the seam between skirt sleeve pipe 14 and high-density polyethylene external protective pipe 7 is carried out to waterproof sealing processing.Polyurethane insulation coating 9 is positioned at outside conduit pipe 6, and its outside is high-density polyethylene external protective pipe 7.Two ends of polyurethane insulation coating 9 adopt respectively thermal shrinkage sealing end cap 10 to carry out waterproof sealing.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, it is the necessary of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, its function is by relative with concrete anchor block conduit pipe fixing by thrust disc, thereby realize the object that conduit pipe is compensated to dividing elements, between every two adjacent conduit pipe fixed knots, have and only have a conduit pipe canceller.Structurally, the present invention adopts the symplex structure take thrust disc central plane as symmetry plane, is made up of guiding trestle, polyurethane insulation coating, high-density polyethylene external protective pipe, skirt sleeve pipe, thrust disc, fixed block, thermal shrinkage sealing strip, thermal shrinkage sealing end cap etc. in steam transmitting pipe, conduit pipe, rolling type.Wherein, skirt sleeve pipe is connected with thrust disc seal welding, and high-density polyethylene external protective pipe is inserted in skirt sleeve pipe, and thermal shrinkage sealing strip is for the gap of sealed skirt sleeve pipe and high-density polyethylene external protective pipe.Thermal shrinkage sealing end cap is for carrying out waterproof sealing to thermal insulation layer end.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

Apply in a flexible way as of the present invention, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot and other pipe fitting common combination manufacture can be formed to assembly parts.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot is:

1) get the conduit pipe 6 that meets size requirement, itself and thrust disc 11 are located, make thrust disc median plane be positioned at the conduit pipe median plane parallel with end face, adopt assistant tool temporarily by thrust disc and conduit pipe concentric locating;

2) in the both sides of thrust disc, the principle mutually staggering according to circumference uniform distribution and both sides is located fixed block 12/13, and fixed block should, near thrust disc, be welded and fixed each positioning block and conduit pipe outer surface respectively afterwards, removes the interim orientation tool of thrust disc;

3) by 2 skirt sleeve pipes 14 respectively in the both sides location of thrust disc, make itself and conduit pipe concentric and make its end face near thrust disc, by skirt sleeve pipe and thrust disc seal welding;

4), in thrust disc both sides, respectively the high-density polyethylene external protective pipe of both sides 7 is inserted in skirt sleeve pipe, until the pipe end of high-density polyethylene external protective pipe touches thrust disc;

5) 8 two, heat-obtaining collapsed seal band, symmetry covers both sides, skirt cannula tip sideline respectively, by liquid gas spray gun baking homogeneous heating, until hot melt adhesive is evenly overflowed;

6) at the two ends of high-density polyethylene external protective pipe, first-class foaming sealing flange, by the material hole of sealing flange, adopts high pressure foaming machine polyurethane foam raw material to be injected into the cavity of high-density polyethylene external protective pipe and conduit pipe formation, foaming, leaves standstill 10 minutes;

7) get the steam transmitting pipe 1 that size meets the demands, wear in conduit pipe, guiding trestle in two rolling types (by encircling 2 in guiding trestle, guiding trestle outer shroud 3, guiding trestle roll wheel assembly 4 and guiding trestle gusset 5 form) is set in to steam transmitting pipe two ends, adopt assistant tool by steam transmitting pipe and conduit pipe concentric locating, in rolling type, the exterior edge face of guiding trestle outer shroud is concordant with conduit pipe exterior edge face, and the guiding trestle gusset of rolling type guiding trestle 5 and the internal surface of conduit pipe are welded and fixed;

8) the first-class thermal shrinkage sealing end cap in thermal insulation layer end, adopts liquid gas spray gun homogeneous heating thermal shrinkage end cap until hot melt adhesive is evenly overflowed, and completes thermal shrinkage sealing end cap and installs.Whole completes.

6, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers

See Fig. 6, the small-bore side joint pipe of steam transmitting pipe 1, steam transmitting pipe Concentric Reducers 9, a steam transmitting pipe heavy caliber side joint pipe 11 are welded to connect successively and form steam transmitting pipe reducer assembly; The small-bore side joint pipe of conduit pipe 3, a conduit pipe Concentric Reducers 10 and a conduit pipe heavy caliber side joint pipe 12 are welded to connect successively and form conduit pipe reducer assembly; The common guiding trestle assembly that forms small-bore side of small-bore side guiding trestle U-shaped fixed plate 6 of ring 2, one group of circumference uniform distribution in the small-bore side guiding trestle roll wheel assembly 4 of one group of circumference uniform distribution, small-bore side guiding trestle outer shroud 5, small-bore side guiding trestle; In one group of heavy caliber side guiding trestle roll wheel assembly 15, a heavy caliber side guiding trestle, the guiding trestle gusset 18 of ring 16, a heavy caliber side guiding trestle outer shroud 17 and one group of circumference uniform distribution is common forms heavy caliber side guiding trestle assembly.Steam transmitting pipe reducer assembly and conduit pipe reducer assembly are sidewindered in dynamic formula guiding trestle assembly and are small-borely sidewindered guiding trestle assembly in dynamic formula and determine mutual concentric position relation by heavy caliber, the gusset 18 of guiding trestle or U-shaped fixed plate 6 are fixed with conduit pipe internal surface, and steam transmitting pipe is taken over and guiding trestle roller contact; The outside of conduit pipe is polyurethane insulation coating 14, and the outside of thermal insulation layer is high-density polyethylene external protective pipe 8; In the end of small-bore side and heavy caliber side thermal insulation layer, small-bore side thermal shrinkage sealing end cap 7 and heavy caliber side thermal shrinkage sealing end cap 13 are housed respectively.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers is the necessary of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, for realizing the function of caliber conversion.In pipeline, often jointly use in conjunction with fixed knot and threeway, after the shunting action of threeway, supervisor's caliber dwindles by reducer.The present invention forms steam transmitting pipe assembly jointly by steam transmitting pipe heavy caliber side joint pipe, steam transmitting pipe reducer, the small-bore side joint pipe of steam transmitting pipe, conduit pipe heavy caliber side joint pipe, conduit pipe reducer, the small-bore side joint pipe of conduit pipe form conduit pipe assembly jointly, it is guiding trestle in rolling type that conduit pipe is taken between end and steam transmitting pipe, for determining relative position between steam transmitting pipe and conduit pipe, and realize steam transmitting pipe thermal expansion guide function, conduit pipe is outward polyurethane insulation coating, and thermal insulation layer outside is high-density polyethylene external protective pipe.Two ends of thermal insulation layer adopt thermal shrinkage sealing end cap to carry out waterproof sealing to thermal insulation layer.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

Apply in a flexible way as of the present invention, itself and other pipe fitting common combination manufacture can be formed to assembly parts.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers is:

1) small-bore conduit pipe side joint pipe 3, conduit pipe reducer 10 and conduit pipe heavy caliber side joint pipe 12 are welded to connect successively;

2) conduit pipe connecting is sleeved in high-density polyethylene external protective pipe, adjusts the position relationship between conduit pipe and high-density polyethylene external protective pipe, make conduit pipe two ends all exceed high-density polyethylene external protective pipe end surfaces 150mm; At the first-class foaming sealing flange of polyethylene outer protective pipe two pipe end;

3) by the material hole of foaming sealing flange, adopt high pressure foaming machine, polyurethane foam raw material are injected into the cavity between high-density polyethylene external protective pipe and conduit pipe, foaming, leaves standstill 10 minutes, completes assembly 1;

4) by encircling 2 in small-bore side guiding trestle, small-bore side guiding trestle roll wheel assembly 4, small-bore side guiding trestle outer shroud 5 and small-bore side guiding trestle U-shaped fixed plate be assembled into the small-bore guiding trestle in dynamic formula that sidewinders;

5) by encircling 16 in heavy caliber side guiding trestle roll wheel assembly 15, heavy caliber side guiding trestle, heavy caliber side guiding trestle outer shroud 17 and heavy caliber side guiding trestle gusset 18 be assembled into heavy caliber and sidewinder guiding trestle in dynamic formula;

6) small-bore steam transmitting pipe side joint pipe 1, steam transmitting pipe reducer 9 and steam transmitting pipe heavy caliber side joint pipe 11 are welded to connect into steam transmitting pipe assembly successively;

7) steam transmitting pipe assembly is sleeved in conduit pipe according to the reducing identical with conduit pipe order, by heavy caliber side with small-borely sidewinder guiding trestle in dynamic formula and be set on the steam transmitting pipe of respective side; Adjustment makes steam transmitting pipe and conduit pipe keep concentric position relation, and in rolling type, the end face of guiding trestle outer shroud and the end face of conduit pipe are concordant; Make the both ends of the surface of steam transmitting pipe exceed respectively the both ends of the surface 150mm of conduit pipe;

8) gusset of guiding trestle in rolling type or U-shaped fixed plate are welded and fixed with the internal surface of conduit pipe respectively;

7, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator

See Fig. 7, by steam transmitting pipe compensator movable end take over 1, compensator body 11, steam transmitting pipe compensator fixed end take over 12 and a flow guiding casing tube 9 jointly form steam transmitting pipe compensator assembly, this compensator can adopt metal corrugated expension joint, flexible graphite seal sleeve barrel compensator or metal bellows and flexible graphite sealing combined compensator.Conduit pipe 10 is according to the maximum outside diameter of compensator body, under the identical condition of the chuck layer actual internal area of retaining clip jacket layer actual internal area and coupled direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe or other pipe fitting, carries out suitable reducing processing; The outside of conduit pipe 10 is polyurethane insulation coatings 8, and the outside of polyurethane insulation coating 8 is high-density polyethylene external protective pipes 7.In guiding trestle, the guiding trestle gusset 6 of the guiding trestle roll wheel assembly 3 of ring 2, one group of circumference uniform distribution, a guiding trestle outer shroud 5 and one group of circumference uniform distribution is common forms guiding trestle assembly, in overall structure, comprise altogether the two ends that two guiding trestle assemblies 14 lay respectively at conduit pipe 10, take over the concentric position relation between conduit pipe for definite steam transmitting pipe.Steam transmitting pipe is taken over the roller contact with the interior guiding trestle assembly 3 of rolling type, and the steam transmitting pipe thermal expansion being caused by the temperature difference when work is absorbed by compensator, and rolling type guiding trestle plays steam transmitting pipe thermal expansion leading role.The end of two ends polyurethane insulation coating is provided with thermal shrinkage sealing end cap 4 and 13, avoids moist and water logging destruction for the protection of thermal insulation layer.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator, is the necessary of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, the thermal expansion producing due to the temperature difference for absorbing at work steam transmitting pipe.Steam transmitting pipe compensator body can need to adopt metal corrugated expension joint, flexible graphite seal sleeve barrel compensator or metal bellows-sleeve combined compensator according to design.At the movable end of compensator, install flow guiding casing tube additional and reduced flow resistance between steam transmitting pipe and conduit pipe.Conduit pipe does suitable reducing processing according to compensator boundary dimension, to guarantee that the negotiability in chuck space between conduit pipe and steam transmitting pipe can not be subject to the impact that compensator boundary dimension changes.The outside of conduit pipe is polyurethane insulation coating, and polyurethane insulation coating is outward high-density polyethylene external protective pipe.Polyurethane layer and high-density polyethylene external protective pipe all change and carry out reducing processing according to the caliber of conduit pipe, guarantee insulation layer thickness conformity, and heat insulating effect is not affected because local conduit pipe caliber changes.At the two ends of the conduit pipe structure of prefabricated thermal insulation steam transmitting pipe compensator structure, guiding trestle assembly in one group of rolling type is installed respectively, in order to guarantee the mutual alignment relation of conduit pipe and steam transmitting pipe and to play the effect of steam transmitting pipe action guiding.The two ends of polyurethane insulation coating, all adopt thermal shrinkage sealing end cap sealed insulating layer, so as not to thermal insulation layer depositing, the link such as construction makes moist or is subject to water logging.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator is:

1) conduit pipe 10 and high-density polyethylene external protective pipe 7 are set in together, adjust mutual alignment relation and make conduit pipe two ends pipe end all exceed high-density polyethylene external protective pipe end surfaces 150mm, first-class foaming sealing flange;

2) by the material hole of foaming sealing flange, adopt high pressure foaming machine, polyurethane foam raw material are injected into the cavity between high-density polyethylene external protective pipe and conduit pipe, foaming, leaves standstill 10 minutes, completes assembly 1;

3) steam transmitting pipe compensator movable end adapter 1, compensator body 11 and steam transmitting pipe compensator fixed end are taken over to 12 and be welded to connect successively, form assembly 2;

4) flow guiding casing tube 9 is sleeved on to steam transmitting pipe compensator movable end, location makes distance that flow guiding casing tube straight section is combined with reducing place between sideline and compensator body movable end end face be greater than the compensation rate of compensator, behind location, flow guiding casing tube minimum diameter limit and the adapter of steam transmitting pipe compensator movable end is welded to connect;

5) by encircling 2 in guiding trestle, guiding trestle roll wheel assembly 3, guiding trestle outer shroud 5 and guiding trestle gusset 6 be combined into guiding trestle in rolling type;

6) assembly 2 is set on to the inside of assembly 1, the steam transmitting pipe that guiding trestle in two rolling types is set in to assembly 2 is taken over end, adjust the relative position of assembly 1 and assembly 2, steam transmitting pipe is taken over conduit pipe and kept concentric position relation, adjust axial position, the both ends of the surface that the steam transmitting pipe of assembly 2 is taken over exceed respectively corresponding conduit pipe end face 150mm; Make the outside end face of its guiding trestle outer shroud concordant with end face outside conduit pipe guiding trestle location in rolling type, the gusset of guiding trestle in rolling type is welded and fixed with the internal surface of the conduit pipe of assembly 1 respectively;

7) the first-class thermal shrinkage sealing end cap in thermal insulation layer end, adopts liquid gas spray gun homogeneous heating thermal shrinkage end cap until hot melt adhesive is evenly overflowed, and completes thermal shrinkage sealing end cap and installs.Whole completes.

8, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator

See Fig. 8, a steam transmitting pipe 1 connects total body, and two ends exceed respectively the about 150mm in end of conduit pipe 6/17.Conduit pipe is taken over 6/17 and is welded to connect with conduit pipe compensator body 13 (generally adopting flexible graphite seal sleeve barrel compensator) two ends respectively; Ring 2, guiding trestle roll wheel assembly 3 and guiding trestle outer shroud and the common formation guiding trestle of gusset 5 assembly in guiding trestle, two rolling type guiding trestle assemblies lay respectively at conduit pipe and take over 6/17 two ends and be welded and fixed by gusset with conduit pipe.The roller contact of steam transmitting pipe 1 and guiding trestle roll wheel assembly 3.Rolling type guiding trestle assembly is in order to the concentric position relation between definite conduit pipe and steam transmitting pipe and for steam transmitting pipe is because the thermal expansion displacement that the temperature difference causes provides guiding.The outside of conduit pipe connecting tube and conduit pipe compensator inactive side part is polyurethane insulation coating 8/15, is centrifugally glass-wool thermal insulation layer 12 corresponding to the part of conduit pipe compensator movable end; The outside of centrifugally glass-wool thermal insulation layer 12 is high density polyethylene (HDPE) waterproof sealing bellowss 11, for the waterproof sealing of thermal insulation layer, meanwhile, guarantees that outer pillar thermal expansion displacement can realize; The outside of high density polyethylene (HDPE) waterproof sealing bellows 12 and the outside of polyurethane insulation coating 8/15 are high-density polyethylene external protective pipe 7/9/10/14; in order to protect thermal insulation layer and auxiliary soil loads; wherein; high-density polyethylene external protective pipe outside high density polyethylene (HDPE) waterproof sealing bellows 12 adopts the mode of double-layer staggered overlap joint, and assurance water-resistant corrugated tube at work regular event is not restricted.The end of two ends polyurethane insulation coating is provided with thermal shrinkage sealing end cap 4/16, avoids moist and water logging destruction for the protection of thermal insulation layer.

Direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator, is the necessary of direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, the thermal expansion producing due to the temperature difference for absorbing at work conduit pipe.Conduit pipe compensator body adopts flexible graphite seal sleeve barrel compensator or metal bellows-sleeve combined compensator.Innermost layer of the present invention is steam transmitting pipe, it is the straight tube of a perforation, conduit pipe is taken over respectively at conduit pipe compensator body and is welded to connect and forms conduit pipe compensator assembly, conduit pipe compensator outside, the position corresponding with compensator movable end, adopt the soft thermal insulating material insulation of centrifugally glass-wool, guarantee that compensator action in service is unaffected and restrict, other position adopts polyurethane material insulation.Soft thermal insulating material outside is high density polyethylene (HDPE) bellows, is welded to connect with the polyethylene outer protective pipe at other position, realizes thermal insulation layer waterproof sealing.High density polyethylene (HDPE) bellows outside adopts high density polyethylene (HDPE) sleeve pipe to protect, and prevents that soil from blocking high density polyethylene (HDPE) bellows, affects its regular event performance.At the two ends of the conduit pipe structure of prefabricated thermal insulation steam transmitting pipe compensator structure, guiding trestle assembly in one group of rolling type is installed respectively, in order to guarantee the mutual alignment relation of conduit pipe and steam transmitting pipe and to play the effect of steam transmitting pipe action guiding.The two ends of polyurethane insulation coating, all adopt thermal shrinkage sealing end cap sealed insulating layer, so as not to thermal insulation layer depositing, the link such as construction makes moist or is subject to water logging.When pipeline is installed, conduit pipe, steam transmitting pipe are combined respectively delivery pipe counter structure with direct-burried prefabricated thermal insulation carbonated drink is connected, and jointly forms organic carbonated drink associating transfer line.According to requirement of engineering, thermal insulation layer can be installed Leak testtion alarming line.

The making method of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator is:

1) conduit pipe adapter 6, conduit pipe compensator body 13 and conduit pipe are taken over to 17 and be welded to connect respectively, conduit pipe assembly 1;

2) be not less than in the length of compensation rate and be wound around and install and fixing centrifugally glass-wool thermal insulation layer at the compensator movable end of conduit pipe assembly 1; The both sides of thermal insulation layer are adjacent to polyurethane ring flat-plate, with adhesive tape by the gap sealing between polyurethane ring flat-plate and conduit pipe; Suit high density polyethylene (HDPE) waterproof sealing bellows, makes its two ends exceed a little respectively polyurethane ring flat-plate, the straight section internal surface circumferential gap of coil paper ring flat-plate and high density polyethylene (HDPE) waterproof sealing bellows is sealed with adhesive tape;

3) high-density polyethylene external protective pipe 7,14 is connected with high density polyethylene (HDPE) waterproof sealing bellows-welding respectively, high-density polyethylene external protective pipe 9,10 is located respectively and is welded and fixed with the outer surface of outer pillar 7 and 14;

4) at the two ends of high-density polyethylene external protective pipe 7 and 14, foaming sealing flange is installed respectively, is adjusted position, make the end face of high-density polyethylene external protective pipe 7 and 14 be shorter than respectively conduit pipe assembly 1 end face 150mm;

5) by the material hole of foaming sealing flange, adopt high pressure foaming machine, polyurethane foam raw material are injected into the cavity between high-density polyethylene external protective pipe and conduit pipe, foaming, leaves standstill 10 minutes, completes assembly 2;

6) by encircling 2 in guiding trestle, guiding trestle roll wheel assembly 3, guiding trestle outer shroud and gusset 5 be combined into guiding trestle in rolling type;

7) steam transmitting pipe 1 is set on to the inside of assembly 2, guiding trestle in two rolling types is set in to steam transmitting pipe and takes over end, adjust the relative position of steam transmitting pipe and assembly 2, make steam transmitting pipe and conduit pipe keep concentric position relation, adjust axial position, the both ends of the surface that steam transmitting pipe is taken over exceed respectively corresponding conduit pipe end face 150mm; Make the outside end face of its guiding trestle outer shroud concordant with end face outside conduit pipe guiding trestle location in rolling type, the gusset of guiding trestle in rolling type is welded and fixed with the internal surface of the conduit pipe of assembly 2 respectively;

In above-described embodiment, describe the concrete structure of the prefabricated carbonated drink associating delivery pipe of direct-burried and necessary thereof in detail, purposes and making method, in actual applications, direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow, the threeway of direct-burried prefabricated thermal insulation carbonated drink associating transporting flat, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot, direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers, the practical combinations application relation of direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator and direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator is with the straight tube of conveyance conduit in ordinary skill, bend pipe, threeway, fixed knot, the application of compensator is identical, each conveyance conduit of the present invention and necessary thereof are applied according to practice of construction situation, form according to actual needs an organic whole, realize carbonated drink and combine conveying.Therefore; for monomer structure or two or more the combination arbitrarily of each carbonated drink associating conveyance conduit of the present invention; or monomer, assemblying body are combined and are used in combination with other pipeline and necessary; the pipeline of jointly realizing carbonated drink associating conveying function connects structure for conveying, all within the claimed scope of the present invention.

In addition, in the embodiment of the present invention, only provide a kind of conduit pipe outside to be provided with polyurethane insulation coating, thermal insulation layer outside to be provided with the specific embodiment of high-density polyethylene external protective pipe, adopt steam transmitting pipe overcoat conduit pipe of the present invention, other common measure that conduit pipe outside is provided with thermal insulation layer and outer pillar all can realize, and determines as the case may be.The present invention is omitted for other insulation of conduit pipe outside and the embodiment of protectiving scheme.In the present embodiment, only provided the specific embodiment that adopts polyurethane insulation coating and high-density polyethylene external protective pipe, the material of thermal insulation layer, outer pillar, also can select the polyurethane heat insulation material and the high-density polyethylene material that exemplify except the present embodiment, in embodiments of the present invention, omitted.

Claims

1. a direct-burried prefabricated thermal insulation carbonated drink associating delivery method, it is characterized in that, the method is with the sleeve pipe mode of mutually isolating delivering vapor and water two media realize aqueous medium and steam medium is carried with journey and along Cheng Huanre, adopt direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and necessary thereof need to interconnect realization according to practice of construction simultaneously simultaneously; Described direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe and necessary thereof include internal layer steam transmitting pipe, outer conduit pipe and are positioned at conduit pipe outside, thermal insulation layer, outer pillar, between steam transmitting pipe and conduit pipe, be provided with the guiding trestle assembly of realizing steam transmitting pipe thermal expansion guiding and keeping relative position between steam transmitting pipe, conduit pipe, steam medium is carried by steam transmitting pipe, aqueous medium is carried by the mezzanine space between steam transmitting pipe and conduit pipe, realizes aqueous medium and steam medium simultaneously with journey conveying with along Cheng Huanre.

2. realize the direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, inner tube is steam transmitting pipe, external pipe is conduit pipe, between steam transmitting pipe and conduit pipe, be provided with the guiding trestle assembly of realizing steam transmitting pipe thermal expansion guiding and keeping relative position between steam transmitting pipe, conduit pipe, conduit pipe outside is provided with thermal insulation layer and outer pillar; Steam medium is carried by steam transmitting pipe, and aqueous medium is carried by the mezzanine space between steam transmitting pipe and conduit pipe, realizes aqueous medium and steam medium simultaneously with journey conveying with along Cheng Huanre.

3. realize the direct-burried prefabricated thermal insulation carbonated drink associating transporting elbow of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, inner tube is steam transmitting pipe, and external pipe is conduit pipe, between steam transmitting pipe and conduit pipe, is welded and fixed by interior fixed board, described interior fixed board can adopt two groups, be separately positioned on conduit pipe end position, also can adopt one group, be arranged on the point midway of bend pipe segmental arc; Conduit pipe outside is provided with thermal insulation layer and outer pillar; The specification parameter of each constituent element all combines delivery pipe with the direct-burried prefabricated thermal insulation carbonated drink being connected or necessary matches, media flow mode is identical with direct-burried prefabricated thermal insulation carbonated drink associating delivery pipe, the bend pipe of conduit pipe and steam transmitting pipe all adopts identical radius of curvature, to guarantee the concentric relation of the two.

4. realize the direct-burried prefabricated thermal insulation carbonated drink associating transporting flat threeway of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, steam transmitting pipe supervisor, steam transmitting pipe branched pipe form the threeway of steam transmitting pipe plane, conduit pipe supervisor and conduit pipe branched pipe form the threeway of conduit pipe plane jointly, and the threeway of steam transmitting pipe plane and the threeway of conduit pipe plane keep relative position relation by the guiding trestle assembly that is arranged on conduit pipe supervisor two ends and conduit pipe branched pipe end; Conduit pipe is outward thermal insulation layer and outer pillar; The specification parameter of described steam transmitting pipe, conduit pipe and outer pillar all combines delivery pipe with the direct-burried prefabricated thermal insulation carbonated drink being connected or necessary matches.

5. realize the direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe fixed knot of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, described steam transmitting pipe and conduit pipe are fixed by interior fixed board, jointly form carbonated drink associating structure for conveying by steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar.

6. realize the direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe fixed knot of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer, outer pillar, between described steam transmitting pipe and conduit pipe, be provided with guiding trestle assembly; Conduit pipe outside is fixed by fixed block, thrust disc and skirt sleeve pipe, jointly forms carbonated drink associating structure for conveying by steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar.

7. realize the direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit Concentric Reducers of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise two pipe nipples of steam transmitting pipe reducer, conduit pipe reducer, thermal insulation layer, outer pillar and steam transmitting pipe reducer, conduit pipe reducer, steam transmitting pipe reducer, conduit pipe reducer suit composition Concentric Reducers, conduit pipe covers thermal insulation layer outward, and thermal insulation layer outside is provided with outer pillar; Between described Concentric Reducers end steam transmitting pipe and conduit pipe, be provided with guiding trestle assembly, jointly form carbonated drink associating structure for conveying by steam transmitting pipe reducer, conduit pipe reducer, thermal insulation layer and outer pillar.

8. realize the direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit steam transmitting pipe compensator of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, comprise steam transmitting pipe, conduit pipe, thermal insulation layer and outer pillar, be provided with flow guiding casing tube at steam transmitting pipe compensator body movable end, flow guiding casing tube is connected to form by reducer and straight length, the small-bore side of reducer and steam transmitting pipe are welded to connect, and straight length is positioned at compensator body outside, and straight length end face is unrestricted without connecting; The position that is connected welding bead from flow guiding casing tube straight length and reducer is not less than the compensation rate of compensator to the distance compensator body end face, guarantee that compensator normally moves; Between the end of compensator steam transmitting pipe and conduit pipe, fix by guiding trestle assembly guide support.

9. realize the direct-burried prefabricated thermal insulation carbonated drink associating conveyance conduit conduit pipe compensator of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1; it is characterized in that; comprise steam transmitting pipe, conduit pipe compensator body, thermal insulation layer, outer pillar; adopt high density polyethylene (HDPE) waterproof sealing bellows and high-density polyethylene external protective pipe to be welded to connect, jointly realize protection and the waterproof sealing function to thermal insulation layer.

10. realize the guiding trestle assembly of direct-burried prefabricated thermal insulation carbonated drink associating delivery method described in claim 1, it is characterized in that, formed by ring and guiding trestle gusset in guiding trestle outer shroud, guiding trestle rolling assembly, guiding trestle, between guiding trestle rolling assembly encircles in guiding trestle outer shroud and guiding trestle, guiding trestle outer shroud outside is provided with gusset, gusset and conduit pipe inwall are welded and fixed, guiding trestle inner ring sleeve is loaded on steam transmitting pipe outside, the roller of guiding trestle rolling assembly contacts with steam transmitting pipe outer wall, realizes and supporting and guide function.