CN105114763B - Steam low energy consumption long distance delivery device - Google Patents

Steam low energy consumption long distance delivery device Download PDF

Info

Publication number
CN105114763B
CN105114763B CN201510609615.9A CN201510609615A CN105114763B CN 105114763 B CN105114763 B CN 105114763B CN 201510609615 A CN201510609615 A CN 201510609615A CN 105114763 B CN105114763 B CN 105114763B
Authority
CN
China
Prior art keywords
layer
heat
pipeline
insulation layer
buried
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510609615.9A
Other languages
Chinese (zh)
Other versions
CN105114763A (en
Inventor
郭宏新
沈建峰
刘丰
吴然
张由素
向兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Sunpower Piping Technology Co Ltd
Original Assignee
Jiangsu Sunpower Piping Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Sunpower Piping Technology Co Ltd filed Critical Jiangsu Sunpower Piping Technology Co Ltd
Priority to CN201510609615.9A priority Critical patent/CN105114763B/en
Publication of CN105114763A publication Critical patent/CN105114763A/en
Application granted granted Critical
Publication of CN105114763B publication Critical patent/CN105114763B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/029Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04Coatings characterised by the materials used
    • F16L58/10Coatings characterised by the materials used by rubber or plastics
    • F16L58/1054Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe
    • F16L58/1072Coatings characterised by the materials used by rubber or plastics the coating being placed outside the pipe the coating being a sprayed layer
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/08Means for preventing radiation, e.g. with metal foil
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems
    • F16L59/15Arrangements for the insulation of pipes or pipe systems for underground pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)

Abstract

The invention discloses steam low energy consumption long distance delivery device, including built on stilts jet chimney and/or buried jet chimney, steam trap connection and supporting shock resistant heat insulating conduit saddle;Built on stilts jet chimney includes at least 2 layers heat-insulation layer, at least 1 layer reflecting layer, water-proof heat-insulation layer and protective layer;Buried jet chimney includes hot melt frictional layer, at least 1 layer heat-insulation layer, at least 1 layer reflecting layer, supporting layer, outer steel pipe and polyurea anti-corrosion layer.The present invention can effectively reduce the heat loss in high-temperature steam course of conveying, while pipe-line system security is ensured, improve source benefit, reduce heat user production cost.When jet chimney conveys load in more than the 30% of Design cooling load, steam is reduced to every kilometer of 3~5 DEG C of temperature drop by 15~20 DEG C of every kilometer of temperature drop of conventional design, and steam fed distance is up to 30~40 kilometers.In addition, jet chimney is hydrophobic more safe efficient;Steam pipeline support is more saved, while having the multi-functional such as antivibration and sound absorption.

Description

Steam low energy consumption long distance delivery device
Technical field
The invention belongs to Thermal Power Engineering technical field, it is related to a kind of steam low energy consumption long distance delivery device, and in particular to Built on stilts steam pipeline heat-insulation technology and buried steam pipeline heat-insulation technology.
Background technology
With the expansion of central heating scope, especially in steam heating system, heat range of heat is increasingly longer, to temperature drop It is required that also more and more higher.According to current conventional design, every kilometer of temperature drop of jet chimney is up to 15~20 DEG C, and pipeline heat loss reaches 10--20% is even more more.On the one hand the huge waste of the energy is caused;On the other hand it can not meet because steam temperature drop is excessive User is required, parameter operation need to be dropped by steam turbine to meet steam quality requirement, hidden danger is brought to equipment safety production.
Jet chimney generally uses cellular insulant, and such as ceramic fibre, rock wool, mineral wool are incubated, but such Insulation thickness is larger, invests higher.Mainly there is two ways in view of pipeline heat transfer:One is heat transfer;Two be heat radiation; Convection heat transfer' heat-transfer by convection can be neglected.At present, by setting reflecting material in heat-insulation layer effectively to reduce pipeline radiant heat transfer amount Technology, so as to reduce insulation thickness, but construction cost is higher, and effect has much room for improvement.
In jet chimney running, a certain amount of condensed water can be produced, need to be discharged by steam trap connection.But in medium Impurity, such as welding slag is easily brought into the blocking that drain pipe is caused in steam trap connection.At present, the most hydrophobic dress of in the market Put, fail the impurity in effective filter medium, influence hydrophobic effect, the operation to jet chimney brings risk.
Meanwhile, in jet chimney running, presence or steam load adjustment due to condensed water, pipe vibration are difficult to Avoid.Traditional heat-insulating bracket often ignores vibration resistance, and its heat insulation is in the presence of oscillating load, easy cracking failure, Potential safety hazard is also brought while leakage heat.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide in a kind of effective reduction steam course of conveying Thermal losses, the steam low energy consumption long distance delivery device for reducing temperature drop.
The purpose of the present invention is achieved through the following technical solutions:
A kind of steam low energy consumption long distance delivery device, including built on stilts jet chimney and/or buried jet chimney;Described Built on stilts jet chimney and buried jet chimney are connected by elbow;Described built on stilts jet chimney includes built on stilts jet chimney sheet Body, at least 2 layer frame vacant duct heat-insulation layers, at least 1 layer frame vacant duct reflecting layer, 1 layer of water-proof heat-insulation layer and 1 layer of protective layer;First Layer frame vacant duct heat-insulation layer is wrapped in the fissure of displacement between built on stilts jet chimney body exterior, each aerial pipeline heat-insulation layer and overlapped;It is described Aerial pipeline reflecting layer it is alternate with aerial pipeline heat-insulation layer parcel;Described water-proof heat-insulation layer is wrapped in last layer frame blank pipe Outside road heat-insulation layer;Described protective layer is wrapped in outside water-proof heat-insulation layer;Described buried jet chimney includes buried steam Pipeline body, 1 layer of hot melt frictional layer, at least 1 layer buried pipeline heat-insulation layer, at least 1 layer buried pipeline reflecting layer, 1 layer of supporting layer, 1 layer of outer steel pipe and 1 strata urea anticorrosive coat;Described hot melt frictional layer is coated on the outer surface of buried jet chimney body, prevents Only buried jet chimney body occurs to corrode and increase the frictional force between buried jet chimney body and insulation material;First layer Buried pipeline heat-insulation layer is wrapped in outside hot melt frictional layer, and the fissure of displacement is overlapped between each buried pipeline heat-insulation layer;Described underground pipe The number of plies in road reflecting layer is identical with the number of plies of buried pipeline heat-insulation layer, buried pipeline reflecting layer and the alternate bag of buried pipeline heat-insulation layer Wrap up in;Described supporting layer is wrapped in outside last layer of buried pipeline reflecting layer;Described outer steel pipe is wrapped in outside supporting layer Portion;Described polyurea anti-corrosion layer is wrapped in outside outer steel pipe.
The preferred technical scheme of built on stilts jet chimney of the present invention is:
Described built on stilts jet chimney includes built on stilts jet chimney body, 4 layer frame vacant duct heat-insulation layers, 3 layer frame vacant ducts Reflecting layer, 1 layer of water-proof heat-insulation layer and 1 layer of protective layer;4 layer frame vacant duct heat-insulation layers are protected from the interior aerial pipeline first that is followed successively by outward Warm layer, the heat-insulation layer of aerial pipeline second, the heat-insulation layer of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th;3 layer frame vacant ducts are anti- Penetrate layer and be followed successively by the reflecting layer of aerial pipeline first, the reflecting layer of aerial pipeline second and the reflecting layer of aerial pipeline the 3rd outward from interior; The described heat-insulation layer of aerial pipeline first is wrapped in the fissure of displacement between built on stilts jet chimney body exterior, adjacent aerial pipeline heat-insulation layer Overlap joint;The described reflecting layer of aerial pipeline first is wrapped in outside the heat-insulation layer of aerial pipeline first;Described aerial pipeline reflection Layer parcel alternate with aerial pipeline heat-insulation layer;Described water-proof heat-insulation layer is wrapped in outside the heat-insulation layer of aerial pipeline the 4th;It is described Protective layer be wrapped in outside water-proof heat-insulation layer.
Further, the described heat-insulation layer of aerial pipeline first and the heat-insulation layer of aerial pipeline second are thickness 35-50mm Hydrophobic type alumina silicate needle punched blanket;The described heat-insulation layer of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th is thickness 50- 65mm mm high temp glass blanket.
Preferably, described hydrophobic type alumina silicate needle punched blanket maximum operation (service) temperature is 1140 DEG C, thermal conductivity factor at 70 DEG C For 0.044W/ (mK);Described high temp glass blanket maximum operation (service) temperature is 450 DEG C, and thermal conductivity factor is 0.032W/ at 70 DEG C (m·K)。
Further, the described reflecting layer of aerial pipeline first, the reflecting layer of aerial pipeline second and aerial pipeline the 3rd are anti- It is reflective aluminum to penetrate layer.
Preferably, the thickness of described reflective aluminum is 10-20 μm.
Preferably, described reflective aluminum is two-sided smooth, reflectivity is more than 0.97.
Described reflective aluminum uses reflective aluminium foil.
The heat-insulation layer of aerial pipeline first, the heat-insulation layer of aerial pipeline second, the heat-insulation layer of aerial pipeline the 3rd and aerial pipeline Four heat-insulation layers are tied up with strapping respectively, are passed through per layer frame vacant duct reflecting layer with wrapping up the aerial pipeline heat-insulation layer in it Glue is mutually bonded;Described glue is high-temperature plastic.(jet chimney sheet is maked somebody a mere figurehead for DN≤200mm jet chimney Body), tied up every 200mm with strapping;For 200mm < DN < 600mm jet chimney, 200mm < tie up spacing ≤300mm;For DN >=600mm jet chimney, 300mm < tie up spacing≤400mm.Per pass strapping need to be tied individually Prick, forbid to tie up on strapping two ends spiral.Have two layers or during more than two layers aerial pipeline heat-insulation layer, each aerial pipeline heat-insulation layer It need to be layered and tie up.Dynamics is appropriate when tying up, with insulation material and steel pipe (making somebody a mere figurehead jet chimney body) or insulation material it Between be adjacent to and be advisable.Tying up can not be too tight, to prevent from reducing heat insulation effect;Tying up can not be too loose, to prevent insulation material from coming off, sinking Drop.
Further, described water-proof heat-insulation layer is bubble aluminium.Described bubble aluminium upper and lower surface is reflective aluminum, centre folder Layer is double layer cell bubble thermal insulation layer.Preferably, described bubble aluminium thickness is 4-8mm.
Further, described protective layer is the thick color steels of 0.5-1mm.
The further preferred technical scheme of buried jet chimney of the present invention is:
Described buried jet chimney includes buried jet chimney body, 1 layer of hot melt frictional layer, 4 layers of buried pipeline insulation Layer, 4 layers of buried pipeline reflecting layer, 1 layer of supporting layer, 1 layer of outer steel pipe and 1 strata urea anticorrosive coat;4 layers of buried pipeline heat-insulation layer from The heat-insulation layer of buried pipeline first, the heat-insulation layer of buried pipeline second, the heat-insulation layer of buried pipeline the 3rd and underground pipe are inside followed successively by outward The heat-insulation layer of road the 4th;4 layers of buried pipeline reflecting layer are anti-from the interior reflecting layer of buried pipeline first, the buried pipeline second of being followed successively by outward Penetrate layer, the reflecting layer of buried pipeline the 3rd and the reflecting layer of buried pipeline the 4th;Described hot melt frictional layer is coated on buried steam pipe The outer surface of road body;The described heat-insulation layer of buried pipeline first is wrapped in outside hot melt frictional layer, adjacent buried pipeline insulation The fissure of displacement is overlapped between layer;The described reflecting layer of buried pipeline first is wrapped in outside the heat-insulation layer of buried pipeline first;Described buries Ground penstock reflection layer parcel alternate with buried pipeline heat-insulation layer;Described supporting layer is wrapped in outside the reflecting layer of buried pipeline the 4th Portion;Described outer steel pipe is wrapped in outside supporting layer;Described polyurea anti-corrosion layer is wrapped in outside outer steel pipe.
Further, described hot melt frictional layer uses 3PE anticorrosion structures (i.e. 3-tier architecture polyolefin coating), first layer 100 μm of epoxy powder >, 170-250 μm of second layer adhesive, third layer polyethylene 2.5-3.7mm, three kinds of materials combine together, And form excellent anticorrosive coat with steel pipe strong bonded.Described hot melt frictional layer can strengthen steel pipe (i.e. buried jet chimney sheet Body) cohesive force between the heat-insulation layer of buried pipeline first, improves the stability of buried jet chimney operation.
Further, leakage alarm line is set outside the described heat-insulation layer of buried pipeline second.
Further, the described heat-insulation layer of buried pipeline first and the heat-insulation layer of buried pipeline second are thickness 10-20mm Silica (SiO2) aerogel blanket, the described heat-insulation layer of buried pipeline the 3rd and the heat-insulation layer of buried pipeline the 4th is thickness 40-50mm high temp glass blanket.
Preferably, described aerosil felt maximum operation (service) temperature is 650 DEG C, 25 DEG C of thermal conductivity factors are 0.018w/(m·K).Described high temp glass blanket maximum operation (service) temperature is 450 DEG C, and 70 DEG C of thermal conductivity factors are 0.032W/ (m K)。
Further, the described reflecting layer of buried pipeline first, the reflecting layer of buried pipeline second, buried pipeline the 3rd reflect Layer and the reflecting layer of buried pipeline the 4th are reflective aluminum.
Preferably, 10-20 μm described of reflective aluminum thickness.
Preferably, described reflective aluminum is two-sided smooth, reflectivity is more than 0.97.
Described reflective aluminum uses reflective aluminium foil.
The described heat-insulation layer of buried pipeline first, the heat-insulation layer of buried pipeline second, the heat-insulation layer of buried pipeline the 3rd and buried The heat-insulation layer of pipeline the 4th is tied up with strapping respectively, and every layer of buried pipeline reflecting layer is incubated with the buried pipeline wrapped up in it Layer is mutually bonded by glue;Described glue is high-temperature plastic.For DN≤200mm jet chimney (i.e. buried steam pipe Road body), tied up every 200mm with strapping;For 200mm < DN < 600mm jet chimney, 200mm < are tied up Spacing≤300mm;For DN >=600mm jet chimney, 300mm < tie up spacing≤400mm.Per pass strapping need to carry out list Solely tie up, forbid to tie up on strapping two ends spiral.Have two layers or during more than two layers buried pipeline heat-insulation layer, each buried pipeline is protected Warm layer need to be layered and tie up.Dynamics is appropriate when tying up, and is advisable with being adjacent between insulation material and steel pipe or insulation material.Tie up not Can be too tight, to prevent from reducing heat insulation effect;Tying up can not be too loose, to prevent insulation material from coming off, settling.
Further, described supporting layer is hard polyurethane ester layer.Hard polyaminoester can foam-in-place cast, temperature in use No more than 130 DEG C.The effect one of supporting layer is support, and two be waterproof, and three be insulation.
Further, described polyurea anti-corrosion layer is coated in formation outside outer steel pipe for polyurea anti-corrosion coating.
It is used as the further preferred technical scheme of steam low energy consumption long distance delivery device of the present invention:
Described built on stilts jet chimney and buried jet chimney are respectively provided with steam trap connection, and the steam trap connection is using supervisor three It is logical to seal up header structure.In order to better profit from heat energy, prevent the generations of phenomenon such as water hammer, burn into leakage and steam trap connection is set. Set before the end of steam low energy consumption long distance delivery device or minimum point, pressure-reducing valve and control valve, at temperature control device hydrophobic Device.Generally, make somebody a mere figurehead jet chimney and buried jet chimney sets a hydrophobic point to install hydrophobic dress every 30-50m Put.Described steam trap connection includes collector pipe, filter grid screen and drain pipe;Described collector pipe be located at built on stilts jet chimney or Buried jet chimney bottom, the top of collector pipe at the connected entrance of built on stilts jet chimney or buried jet chimney with being provided with filter grid Screen, the sealed bottom of collector pipe;In described drain pipe insertion collector pipe, the water inlet of drain pipe is located at bottom of the tube of catchmenting, Delivery port is located at outside collector pipe.Filter grid screen while avoiding impurity from blocking drain pipe, can ensure again steam trap connection it is stable, Efficiently run.
The caliber d of described collector pipe1With length L1Meet claimed below:When instrumentation tubes (make somebody a mere figurehead jet chimney or buried Jet chimney) caliber d≤100mm when, d1=d, L1≥100mm;As instrumentation tubes caliber 100mm < d≤200mm, d1= 100mm, L1=150mm;As instrumentation tubes caliber d >=200mm, d1>=d/2, L1≥d。
Further, the bottom of described collector pipe is sealed using circular head;The water inlet of described drain pipe For angle.Further, the water inlet gradient of described drain pipe is 45 °, and water inlet sets further increase using 45 ° of gradients The big water inlet area of drain pipe.Described drain pipe can select L-type drain pipe.
It is used as the further preferred technical scheme of steam low energy consumption long distance delivery device of the present invention:
Described built on stilts jet chimney is provided with aerial pipeline antivibration Thermal insulative pipe carrier, and described buried jet chimney is provided with buried Pipeline antivibration Thermal insulative pipe carrier;Thermal insulative pipe carrier maximum spacing is calculated according to strength condition and rigidity (or amount of deflection) condition and determined, takes it Smaller value.When amount of deflection is smaller, in conventional caliber scope and temperature range, conduit saddle spacing is controlled with rigidity condition. When operating temperature is higher, and piping load it is larger when, small pipeline often determines conduit saddle spacing according to rigidity condition.Described is built on stilts Pipeline antivibration Thermal insulative pipe carrier and ground pipeline antivibration Thermal insulative pipe carrier pour the hard shock resistant heat insulating built up including antivibration heat insulating casting material Layer, heat-insulated soft felt into soft thermal insulation layer, and steel construction.Described aerial pipeline antivibration Thermal insulative pipe carrier and ground pipeline antivibration Thermal insulative pipe carrier can bear 1000 DEG C of high temperature, and 550 DEG C of thermal conductivity factors are 0.14~0.18W/ (mK), and compression strength is 10~ 15.8MPa, rupture strength is 4.5~6MPa.
Described aerial pipeline antivibration Thermal insulative pipe carrier include the first hard shock resistant heat insulating layer, the first soft thermal insulation layer, riser, Floor, bottom plate, pipe clamp, the first lower tube clip and bolt fastener group on first;Pipe clamp and the first lower tube clip are logical on described first Cross bolt fastener group to be fastened, form built on stilts jet chimney conduit saddle;The first hard is provided with built on stilts jet chimney conduit saddle Shock resistant heat insulating layer, the first soft thermal insulation layer, the first described soft thermal insulation layer are close to built on stilts jet chimney, soft described first Matter thermal insulation layer is externally provided with the first hard shock resistant heat insulating layer;The first described lower tube clip bottom is connected through riser and floor with bottom plate, Bottom plate is placed on supporting plane.
Further, pipe clamp and the first lower tube clip are steel pipe clamp on described first;The first described lower tube clip is with standing Plate and floor are by being welded and fixed, and described bottom plate is with riser, floor by being welded and fixed.
Described buried pipeline antivibration Thermal insulative pipe carrier includes the second hard shock resistant heat insulating layer, the second soft thermal insulation layer, second Upper pipe clamp, the second lower tube clip and bolt fastener group;Pipe clamp outward bending is formed under connection otic placode, second on described second Pipe clamp bends inwards to form lower connection otic placode, and upper and lower otic placode is fastened by bolts the formation of part group and is fastenedly connected, and forms buried steam Pipeline conduit saddle;Provided with the second hard shock resistant heat insulating layer, the second soft thermal insulation layer in buried jet chimney conduit saddle, second it is soft every Thermosphere is close to the supporting layer of buried jet chimney, and the second hard shock resistant heat insulating is wrapped with the second described soft thermal insulation layer Layer.The outer steel pipe of buried jet chimney is arranged outside described buried pipeline antivibration Thermal insulative pipe carrier.Antivibration heat insulating casting material is poured Build that the second hard shock resistant heat insulating layer top to be formed is thin, bottom is thick, top forms confined air and drawn last breath thermosphere, bottom rise load-bearing and every The effect of heat.
Further, polytetrafluoroethylene (PTFE) friction pair is set on the outside of the second described lower tube clip, to reduce frictional force.
Described antivibration heat insulating casting material is by the A that gathers materials, aluminate cement B, alkali-free glass fibre C and expanded perlite D groups Into the mass ratio of formula composition is:
1)A:B=(50-70):(30-40),
2)C:E=(1-4):(85-100);E represents AB mixtures,
3)D:E=(1-4):(85-100);
4) water:E=(15-25):(85-100), the mass percent sum of each component is 100%;
The described A that gathers materials is made up of lightweight micro mist 40-50%, flyash 40-50%, vermiculite 5-10%.
The particle diameter of described lightweight micro mist is 0.5-3mm.Described lightweight micro mist is silicon powder, silicon carbide micro-powder, oxidation One or more in aluminium micro mist, quartz micropowder.
The particle diameter of described aglite vermiculite is 1-5mm.
Described expanded perlite D particle diameter is 0.5-2.5mm.
Described alkali-free glass fibre C length is 0.5-4mm, a diameter of 0.3-1mm.
The described aluminate cement B trade mark is CA-50-G6.
Beneficial effects of the present invention:
By integrated use pipeline heat-insulating technology, the hydrophobic technology of pipeline and pipeline antivibration heat-insulating technique, ensureing pipeline While system operation is safe, the heat loss in high-temperature steam course of conveying can be effectively reduced, source benefit, reduction heat is improved User's production cost.Using steam low energy consumption long distance delivery technology disclosed by the invention, when jet chimney conveying load is being set When counting more than the 30% of load, steam by 15~20 DEG C of every kilometer of temperature drop of conventional design be reduced to 3~5 DEG C of every kilometer of temperature drop with Interior, steam fed distance is up to 30~40 kilometers.In addition, jet chimney is hydrophobic more safe efficient;Steam pipeline support More save, while having the multi-functional such as antivibration and sound absorption.
Brief description of the drawings
Fig. 1 is the structural representation of built on stilts jet chimney of the present invention;
Fig. 2 is the sectional view of built on stilts jet chimney of the present invention;
Fig. 3 is the structural representation of buried jet chimney of the present invention;
Fig. 4 is the sectional view of buried jet chimney of the present invention;
Fig. 5 is the structural representation of steam trap connection of the present invention;
Fig. 6 is the A-A' diagrammatic cross-sections of structure shown in Fig. 5;
Fig. 7 is filtering grid plate structure schematic diagram;
Fig. 8 is the structural representation of aerial pipeline antivibration Thermal insulative pipe carrier of the present invention;
Fig. 9 is the structural representation of buried pipeline antivibration Thermal insulative pipe carrier of the present invention.
In figure, 1- makes somebody a mere figurehead jet chimney body;The heat-insulation layer of 2- aerial pipelines first;The heat-insulation layer of 3- aerial pipelines second;4- The heat-insulation layer of aerial pipeline the 3rd;The heat-insulation layer of 5- aerial pipelines the 4th;6- water-proof heat-insulation layers;7- protective layers;8- strappings;9a- framves The reflecting layer of vacant duct first;The reflecting layer of 9b- aerial pipelines second;The reflecting layer of 9c- aerial pipelines the 3rd;The buried jet chimneys of 10- Body;11- heats frictional layer;The heat-insulation layer of 12- buried pipelines first;The heat-insulation layer of 13- buried pipelines second;14- buried pipelines Three heat-insulation layers;The heat-insulation layer of 15- buried pipelines the 4th;16- supporting layers;17- outer steel pipes;18- polyurea anti-corrosions layer;19a- underground pipes The reflecting layer of road first;The reflecting layer of 19b- buried pipelines second;19c- buried pipeline third layer reflecting layer;19d- buried pipelines the 4th Layer reflecting layer;20- collector pipes;21- drain pipes;22- circular heads;23- filter grid screens;The first hard of 24- shock resistant heat insulating layer; The soft thermal insulation layers of 25- first;26- risers;27- floors;28- bottom plates;Pipe clamp on 29- first;The lower tube clips of 30- first;31- bolts Fastener group;32- polytetrafluoroethylene (PTFE) friction pairs;Pipe clamp on 33- second;The lower tube clips of 34- second;35- the second hard shock resistant heat insulatings Layer;The soft thermal insulation layers of 36- second.
Embodiment
In order to illustrate technical scheme and technical purpose, below in conjunction with the drawings and specific embodiments to the present invention It is further introduced.
A kind of steam low energy consumption long distance delivery device, including built on stilts jet chimney and/or buried jet chimney.Can not Situation about avoiding is as passed through when road, building, and steam low energy consumption long distance delivery device is from built on stilts jet chimney With the combination of buried jet chimney, described built on stilts jet chimney and buried jet chimney are connected by elbow.
As depicted in figs. 1 and 2, described built on stilts jet chimney, including built on stilts jet chimney body 1,4 layer frame vacant ducts are protected Warm layer, 3 layer frame vacant duct reflecting layer, water-proof heat-insulation layer 6 and protective layer 7;4 layer frame vacant duct heat-insulation layers are followed successively by frame outward from interior The first heat-insulation layer of vacant duct 2, the second heat-insulation layer of aerial pipeline 3, the heat-insulation layer 4 of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th 5;3 layer frame vacant duct reflecting layer from it is interior be followed successively by outward the first reflecting layer of aerial pipeline 9a, aerial pipeline the second reflecting layer 9b and The reflecting layer 9c of aerial pipeline the 3rd;Described aerial pipeline reflecting layer parcel alternate with aerial pipeline heat-insulation layer, be specially:It is built on stilts The first heat-insulation layer of pipeline 2, the first reflecting layer of aerial pipeline 9a, the second heat-insulation layer of aerial pipeline 3, the reflecting layer of aerial pipeline second 9b, the heat-insulation layer 4 of aerial pipeline the 3rd, the reflecting layer 9c of aerial pipeline the 3rd, the heat-insulation layer 5 of aerial pipeline the 4th are wrapped in built on stilts successively Outside jet chimney body 1, the fissure of displacement is overlapped between adjacent aerial pipeline heat-insulation layer;Described water-proof heat-insulation layer 6 is wrapped in built on stilts Outside the heat-insulation layer 5 of pipeline the 4th;Described protective layer 7 is wrapped in outside water-proof heat-insulation layer 6.
The described heat-insulation layer of aerial pipeline first and the heat-insulation layer of aerial pipeline second is thickness 40mm hydrophobic type silicic acid Aluminium needle punched blanket;The described heat-insulation layer of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th is thickness 60mm high temperature glass wool Felt.Hydrophobic type alumina silicate needle punched blanket maximum operation (service) temperature is 1140 DEG C, and thermal conductivity factor is 0.044W/ (mK) at 70 DEG C;High temperature Blanket of glass wool maximum operation (service) temperature is 450 DEG C, and thermal conductivity factor is 0.032W/ (mK) at 70 DEG C.
The material in the described reflecting layer of aerial pipeline first, the reflecting layer of aerial pipeline second and the reflecting layer of aerial pipeline the 3rd It is the reflective aluminum of 10-20 μm of thickness.Described reflective aluminum is two-sided smooth, and the reflectivity of reflective aluminum is 0.97.
Described the first reflecting layer of aerial pipeline 9a, aerial pipeline the second reflecting layer 9b and the reflecting layer 9c of aerial pipeline the 3rd It is mutually bonded with wrapping up the aerial pipeline heat-insulation layer in it by high-temperature plastic.
The described material therefor of water-proof heat-insulation layer 6 is thickness 6mm bubble aluminium.The described material therefor of protective layer 7 is thickness 0.5mm color steel.
As shown in Figure 3 and Figure 4, described buried jet chimney includes buried jet chimney body 10,1 layer of hot melt frictional layer 11st, 4 layers of buried pipeline heat-insulation layer, 4 layers of buried pipeline reflecting layer, supporting layer 16, outer steel pipe 17 and polyurea anti-corrosion layer 18;4 layers Buried pipeline heat-insulation layer is followed successively by the first heat-insulation layer of buried pipeline 12, the second heat-insulation layer of buried pipeline 13, underground pipe outward from interior The heat-insulation layer 14 of road the 3rd and the heat-insulation layer 15 of buried pipeline the 4th;4 layers of buried pipeline reflecting layer are followed successively by buried pipeline outward from interior First reflecting layer 19a, the second reflecting layer of buried pipeline 19b, the reflecting layer 19c of buried pipeline the 3rd and the reflecting layer of buried pipeline the 4th 19d;Described hot melt frictional layer 11 is coated on the outer surface of buried jet chimney body 10;Described buried pipeline first is incubated Layer 12 is wrapped in outside hot melt frictional layer 11, and the fissure of displacement is overlapped between adjacent buried pipeline heat-insulation layer;Described buried pipeline first Reflecting layer is wrapped in outside the heat-insulation layer of buried pipeline first, the described alternate bag in buried pipeline reflecting layer and buried pipeline heat-insulation layer Wrap up in, be specially:The first heat-insulation layer of buried pipeline 12, the first reflecting layer of buried pipeline 19a, the second heat-insulation layer of buried pipeline 13, bury The second reflecting layer of ground pipeline 19b, the heat-insulation layer 14 of buried pipeline the 3rd, the reflecting layer 19c of buried pipeline the 3rd, buried pipeline the 4th are protected Warm layer 15, the reflecting layer 19d of buried pipeline the 4th are wrapped in outside hot melt frictional layer 11 successively;Described supporting layer 16 is wrapped in frame Outside the reflecting layer 19d of vacant duct the 4th;Described outer steel pipe 17 is wrapped in outside supporting layer 16;Described polyurea anti-corrosion layer 18 It is wrapped in outside outer steel pipe 17.
Described hot melt frictional layer uses 3PE anticorrosion structures, 100 μm of first layer epoxy powder >, second layer adhesive 170-250 μm, third layer polyethylene 2.5-3.7mm.Three kinds of materials combine together, and form excellent anti-with steel pipe strong bonded Rotten layer.Described hot melt frictional layer can strengthen the cohesive force between steel pipe and heat-insulation layer, improve the stability of buried pipeline operation.
Described polyurea anti-corrosion layer is coated in formation outside outer steel pipe for polyurea anti-corrosion coating.
Described the first heat-insulation layer of buried pipeline 12 and the second heat-insulation layer of buried pipeline 13 is thickness 10mm titanium dioxide Silicon (SiO2) aerogel blanket, the described heat-insulation layer 14 of buried pipeline the 3rd and the heat-insulation layer 15 of buried pipeline the 4th is thickness 50mm High temp glass blanket.Aerosil felt maximum operation (service) temperature is 650 DEG C, and 25 DEG C of thermal conductivity factors are 0.018w/ (m K).High temp glass blanket maximum operation (service) temperature is 450 DEG C, and 70 DEG C of thermal conductivity factors are 0.032W/ (mK).
Described the first reflecting layer of buried pipeline 19a, the second reflecting layer of buried pipeline 19b, the reflecting layer of buried pipeline the 3rd 19c and the reflecting layer 19d of buried pipeline the 4th are the reflective aluminum that thickness is 10-20 μm.Described reflective aluminum is two-sided smooth, reflection The reflectivity of aluminium is 0.97.
Described the first reflecting layer of buried pipeline 19a, the second reflecting layer of buried pipeline 19b, the reflecting layer of buried pipeline the 3rd The 19c and reflecting layer 19d of buried pipeline the 4th is mutually bonded with wrapping up the buried pipeline heat-insulation layer in it by high-temperature plastic.
The described material therefor of supporting layer 16 is hard polyaminoester.
It is as follows using the technical requirements of hard polyaminoester to be effectively moistureproof:
(1) unit weight is 50kg/m3
(2) 25 DEG C of thermal conductivity factors are 0.02W/ (mk);
(3) rate of closed hole >=98%;
(3) oxygen index (OI) is 30;
(4) water absorption rate≤2%;
(5) temperature in use is no more than 130 DEG C;
(6) can foam-in-place cast;
It is positive using sacrificing for buried jet chimney of the length more than 50 meters to ensure that buried jet chimney does not corrode Pole cathode protection method.Cathodic protection performs GB/T21448-2008《Buried steel pipeline cathode protection technology specification》.
Each heat-insulation layer ties up technique in built on stilts jet chimney and buried jet chimney:For DN≤200mm jet chimney (making somebody a mere figurehead jet chimney body or buried jet chimney body), is tied up every 200mm with strapping 8;For DN < 600mm jet chimney, ties up spacing≤300mm;For DN >=600mm jet chimney, spacing≤400mm is tied up.Per pass Strapping 8 need to be tied up individually, forbid to tie up on the two ends spiral of strapping 8.Heat-insulation layer by two layers or two layers of composition described above when, Each heat-insulation layer need to be layered and tie up.Dynamics is appropriate when tying up, and is advisable with being adjacent between insulation material and steel pipe or insulation material.Bundle Pricking can not be too tight, to prevent from reducing heat insulation effect;Tying up can not be too loose, to prevent insulation material from coming off, settling.
The breathing that pipeline can be produced due to temperature change, is compensated using whirl compensator.Conventional vapor pipe insulation Shi Bixu reserves thermal expansion amount, and thermal expansion amount need not be reserved using rotation compensation mode, can reduce steam heat waste.
Before the end of steam low energy consumption long distance delivery device or minimum point, pressure-reducing valve and control valve, at temperature control device Steam trap connection is set.Generally, jet chimney and buried jet chimney are maked somebody a mere figurehead one hydrophobic point peace is set every 30-50m Fill steam trap connection.
As illustrated in figs. 5-7, described steam trap connection is by instrumentation tubes (built on stilts jet chimney or buried jet chimney), collector pipe 20th, drain pipe 21 and filter grid screen 23 etc. are constituted.Described collector pipe 20 is located at the bottom of instrumentation tubes, described collector pipe 20 The connected entrance of top and instrumentation tubes is provided with filter grid screen 23, and the bottom of collector pipe 20 is sealed using circular head 22, institute State in the insertion collector pipe 20 of drain pipe 21.
Described steam trap connection includes collector pipe 20, filter grid screen 23 and drain pipe 21;Described collector pipe 20 is located at The bottom of built on stilts jet chimney or buried jet chimney, the top of collector pipe 20 and built on stilts jet chimney or buried jet chimney Filter grid screen 23 is provided with connected entrance, the bottom of collector pipe 20 is sealed using circular head 22;Described drain pipe 21 is inserted In collector pipe 20, the water inlet of drain pipe 21 is located at the bottom of collector pipe 20, and delivery port is located at outside collector pipe 20;Described drain pipe 21 water inlet is 45 ° of angles.
Punching has some of width about 8mm filter bags on described filter grid screen 23.
The caliber d of described collector pipe 201With length L1Meet claimed below:When built on stilts jet chimney or buried steam pipe During road caliber d≤100mm, d1=d, L1≥100mm;When built on stilts jet chimney or buried jet chimney caliber 100mm < d≤ During 200mm, d1=100mm, L1=150mm;When built on stilts jet chimney or buried jet chimney caliber d >=200mm, d1≥d/ 2, L1≥d。
Described built on stilts jet chimney is provided with aerial pipeline antivibration Thermal insulative pipe carrier, and described buried jet chimney is provided with buried Pipeline antivibration Thermal insulative pipe carrier;Thermal insulative pipe carrier maximum spacing is calculated according to strength condition and rigidity (or amount of deflection) condition and determined, takes it Smaller value.When amount of deflection is smaller, in conventional caliber scope and temperature range, conduit saddle spacing is controlled with rigidity condition. When operating temperature is higher, and piping load it is larger when, small pipeline often determines conduit saddle spacing according to rigidity condition.Antivibration instlated tubular Tropsch technology requires as follows:
(1) as shown in figure 8, described aerial pipeline antivibration Thermal insulative pipe carrier includes the first hard shock resistant heat insulating layer 24, first Soft thermal insulation layer 25, riser 26, floor 27, pipe clamp 29, the first lower tube clip 30 and bolt fastener group 31 on bottom plate 28, first; The lower tube clip 30 of pipe clamp 29 and first is fastened by bolts part group 31 and fastened on described first, forms built on stilts vapor conduit tube Hold in the palm for clamping built on stilts jet chimney;It is soft provided with the first hard shock resistant heat insulating layer 24, first in built on stilts jet chimney conduit saddle Thermal insulation layer 25, the first described soft thermal insulation layer 25 is close to built on stilts jet chimney, in the first described soft peripheral hardware of thermal insulation layer 25 There is the first hard shock resistant heat insulating layer 24;The described bottom of the first lower tube clip 30 is connected through riser 26 and floor 27 with bottom plate 28, bottom Plate 28 is placed on supporting plane.
The lower tube clip 30 of pipe clamp 29 and first is steel pipe clamp on described first;The first described lower tube clip 30 and riser 26 And floor 27 is by being welded and fixed, described bottom plate 28 is with riser 26, floor 27 by being welded and fixed.
(2) as shown in figure 9, described buried pipeline antivibration Thermal insulative pipe carrier, including the second hard shock resistant heat insulating layer 35, second Pipe clamp 33, the second lower tube clip 34 and bolt fastener group 31 on soft thermal insulation layer 36, second;Pipe clamp 33 is outside on described second Connection otic placode is bent to form, the second lower tube clip 34 bends inwards to form lower connection otic placode, and upper and lower otic placode is fastened by bolts part Group 31 is formed and is fastenedly connected, and forming buried jet chimney conduit saddle is used to clamp buried jet chimney;In the second described lower tube clip 34 outsides set polytetrafluoroethylene (PTFE) friction pair 32, to reduce frictional force;Resist in buried jet chimney conduit saddle provided with the second hard Thermal insulation layer 35, the second soft thermal insulation layer 36 are shaken, the second soft thermal insulation layer 36 is close to the supporting layer 16 of buried jet chimney, described The second soft thermal insulation layer 36 be wrapped with the second hard shock resistant heat insulating layer 35;Outside described buried pipeline antivibration Thermal insulative pipe carrier It is arranged the outer steel pipe 17 of buried jet chimney.Antivibration heat insulating casting material pours the second 35 top of hard shock resistant heat insulating layer to be formed Thin, bottom is thick, and top forms confined air and drawn last breath thermosphere, and load-bearing is played and heat-insulated in bottom.
(3) conduit saddle model is made up of 7 parts, such as BRHAF-250-200-600.BR represents BR type Thermal insulative pipe carriers;H represents sliding Dynamic conduit saddle;A represents temperature range≤540 DEG C;F represents tetrafluoroethene friction pair (not marked without friction pair);250 represent pipeline Nominal diameter;200 represent conduit saddle clear height;600 represent conduit saddle floor length.
(4) the Thermal insulative pipe carrier compressive resistance that existing market is generally used is 4MPa, and 300 DEG C of thermal conductivity factors are 0.3W/ (m K).The mechanics of antivibration Thermal insulative pipe carrier of the present invention, heat-insulating property are increased substantially, and antivibration heat-proof quality is notable:The heat-insulated cast of antivibration Material pour build up first and two hard shock resistant heat insulating layer can bear thermal conductivity factor under 1000 DEG C of high temperature, 350 DEG C of mean temperatures≤ 0.188W/(m·K).Antivibration heat insulating casting material pour build up first and two hard shock resistant heat insulating layer compression strength be 10~ 15.8MPa, rupture strength be 4.5~6MPa, 110 DEG C baking 5 hours after bulk density be 1.1~1.4g/cm3, have simultaneously There are the multiple efficacies such as antivibration, sound absorption, heat-insulated, heat-insulated and antivibration effect is substantially increased relative to traditional Thermal insulative pipe carrier.
Described antivibration heat insulating casting material is by the A that gathers materials, aluminate cement B, alkali-free glass fibre C and expanded perlite D groups Into the mass ratio of formula composition is:
1)A:B=(50-70):(30-40),
2)C:E=(1-4):(85-100);E represents AB mixtures,
3)D:E=(1-4):(85-100);
4) water:E=(15-25):(85-100), the mass percent sum of each component is 100%;
The described A that gathers materials is made up of lightweight micro mist 40-50%, flyash 40-50%, vermiculite 5-10%.
The particle diameter of described lightweight micro mist is 0.5-3mm.Described lightweight micro mist is silicon powder, silicon carbide micro-powder, oxidation One or more in aluminium micro mist, quartz micropowder.
The particle diameter of described aglite vermiculite is 1-5mm.
Described expanded perlite D particle diameter is 0.5-2.5mm.
Described alkali-free glass fibre C length is 0.5-4mm, a diameter of 0.3-1mm.
The described aluminate cement B trade mark is CA-50-G6.
(5) it should ensure that heat-insulated soft felt is intact when conduit saddle is installed, heat-insulated soft felt should keep away from moisture in transit, otherwise influence The tearing strength and heat insulation effect of heat-insulated soft felt.
(6) it is guarantee conduit saddle and pipeline global displacement, it is to avoid the relative slip between conduit saddle and pipeline, bolt fastener group Pre-fastening moment >=30Nm.
(7) different according to caliber, medium temperature, the height of conduit saddle, floor length, heat insulating casting material thickness are differed. Height, the length of conduit saddle can require to manufacture according to design document.
By integrated use pipeline heat-insulating technology, the hydrophobic technology of pipeline and pipeline antivibration heat-insulating technique, ensureing pipeline While system operation is safe, the heat loss in high-temperature steam course of conveying can be effectively reduced, source benefit, reduction heat is improved User's production cost.In addition, jet chimney is hydrophobic more safe efficient;Steam pipeline support is more saved, and is had simultaneously The multi-functional such as antivibration and sound absorption.In Practical Project process of deployment, about 32 kilometers of jet chimney single line total length, pressure of steam supply 2MPa, 285 DEG C of temperature, 30~35t/h of flow.Using steam low energy consumption long distance delivery technology disclosed by the invention, 20 kilometers Outer terminal temperature difference pressure reaches 1.44MPa, and temperature is up to 215 DEG C, and every kilometer of temperature drop is about 3.6 DEG C.
Above content describes general principle, principal character and its advantage of the present invention.Industry technical staff should Solution, the present invention is not limited to the above embodiments, it is all without departing from the spirit and scope of the present invention, the present invention it is also each Plant and improve and change, such modifications and variations are within the scope of the present invention.

Claims (8)

1. a kind of steam low energy consumption long distance delivery device, it is characterised in that:Including built on stilts jet chimney and/or buried steam pipe Road, described built on stilts jet chimney and buried jet chimney are connected by elbow;Described built on stilts jet chimney includes built on stilts steaming Vapour pipeline body, 4 layer frame vacant duct heat-insulation layers, 3 layer frame vacant duct reflecting layer, 1 layer of water-proof heat-insulation layer and 1 layer of protective layer;4 layer frames Vacant duct heat-insulation layer is followed successively by the heat-insulation layer of aerial pipeline first, the heat-insulation layer of aerial pipeline second, aerial pipeline the 3rd outward from interior Heat-insulation layer and the heat-insulation layer of aerial pipeline the 4th;3 layer frame vacant duct reflecting layer from it is interior be followed successively by outward the reflecting layer of aerial pipeline first, The reflecting layer of aerial pipeline second and the reflecting layer of aerial pipeline the 3rd;The described heat-insulation layer of aerial pipeline first is wrapped in built on stilts steam Outside pipeline body, the fissure of displacement is overlapped between adjacent aerial pipeline heat-insulation layer;The described reflecting layer of aerial pipeline first is wrapped in frame Outside the heat-insulation layer of vacant duct first;Described aerial pipeline reflecting layer parcel alternate with aerial pipeline heat-insulation layer;Described waterproof Heat-insulation layer is wrapped in outside the heat-insulation layer of aerial pipeline the 4th;Described protective layer is wrapped in outside water-proof heat-insulation layer;Described frame The heat-insulation layer of vacant duct first and the heat-insulation layer of aerial pipeline second are thickness 35-50mm hydrophobic type alumina silicate needle punched blanket;It is described The heat-insulation layer of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th be thickness 50-65mm high temp glass blanket;Described The reflecting layer of aerial pipeline first, the reflecting layer of aerial pipeline second and the reflecting layer of aerial pipeline the 3rd are reflective aluminum;Described is anti- 10-20 μm of aluminium thickness is penetrated, described reflective aluminum is two-sided smooth;Described water-proof heat-insulation layer is bubble aluminium;On described bubble aluminium Lower surface is reflective aluminum, and intermediate course is double layer cell bubble thermal insulation layer;Described bubble aluminium thickness is 5-8mm;
Described buried jet chimney includes buried jet chimney body, 1 layer of hot melt frictional layer, 4 layers of buried pipeline heat-insulation layer, 4 Layer buried pipeline reflecting layer, 1 layer of supporting layer, 1 layer of outer steel pipe and 1 strata urea anticorrosive coat;4 layers of buried pipeline heat-insulation layer are from interior past It is outer to be followed successively by the heat-insulation layer of buried pipeline first, the heat-insulation layer of buried pipeline second, the heat-insulation layer of buried pipeline the 3rd and buried pipeline the Four heat-insulation layers;4 layers of buried pipeline reflecting layer are reflected from the interior reflecting layer of buried pipeline first, buried pipeline second of being followed successively by outward Layer, the reflecting layer of buried pipeline the 3rd and the reflecting layer of buried pipeline the 4th;Described hot melt frictional layer is coated on buried jet chimney The outer surface of body;The described heat-insulation layer of buried pipeline first is wrapped in outside hot melt frictional layer, adjacent buried pipeline heat-insulation layer Between the fissure of displacement overlap;The described reflecting layer of buried pipeline first is wrapped in outside the heat-insulation layer of buried pipeline first;Described is buried Penstock reflection layer parcel alternate with buried pipeline heat-insulation layer;Described supporting layer is wrapped in outside the reflecting layer of buried pipeline the 4th; Described outer steel pipe is wrapped in outside supporting layer;Described polyurea anti-corrosion layer is wrapped in outside outer steel pipe;
The described heat-insulation layer of buried pipeline first and the heat-insulation layer of buried pipeline second is thickness 10-20mm silica airsetting Rubber mat;The described heat-insulation layer of buried pipeline the 3rd and the heat-insulation layer of buried pipeline the 4th is thickness 40-50mm high temperature glass wool Felt;The described reflecting layer of buried pipeline first, the reflecting layer of buried pipeline second, the reflecting layer of buried pipeline the 3rd and buried pipeline Four reflecting layer are reflective aluminum;10-20 μm described of reflective aluminum thickness, described reflective aluminum is two-sided smooth;
Described built on stilts jet chimney is provided with aerial pipeline antivibration Thermal insulative pipe carrier, and described buried jet chimney is provided with buried pipeline Antivibration Thermal insulative pipe carrier;
Described aerial pipeline antivibration Thermal insulative pipe carrier and ground pipeline antivibration Thermal insulative pipe carrier is poured including antivibration heat insulating casting material and built up Hard shock resistant heat insulating layer, heat-insulated soft felt into soft thermal insulation layer, and steel construction;
Described aerial pipeline antivibration Thermal insulative pipe carrier includes the first hard shock resistant heat insulating layer, the first soft thermal insulation layer, riser, rib Plate, bottom plate, pipe clamp, the first lower tube clip and bolt fastener group on first;Pipe clamp and the first lower tube clip pass through on described first Bolt fastener group is fastened, and forms built on stilts jet chimney conduit saddle;Resist in built on stilts jet chimney conduit saddle provided with the first hard Thermal insulation layer, the first soft thermal insulation layer are shaken, the first described soft thermal insulation layer is close to built on stilts jet chimney, it is soft described first Thermal insulation layer is externally provided with the first hard shock resistant heat insulating layer;The first described lower tube clip bottom is connected through riser and floor with bottom plate, bottom Plate is placed on supporting plane;
Described buried pipeline antivibration Thermal insulative pipe carrier on the second hard shock resistant heat insulating layer, the second soft thermal insulation layer, second including managing Folder, the second lower tube clip and bolt fastener group;Pipe clamp outward bending forms connection otic placode, the second lower tube clip on described second Bend inwards to form lower connection otic placode, upper and lower otic placode is fastened by bolts the formation of part group and is fastenedly connected, and forms buried jet chimney Conduit saddle;Provided with the second hard shock resistant heat insulating layer, the second soft thermal insulation layer, the second soft thermal insulation layer in buried jet chimney conduit saddle It is close to the supporting layer of buried jet chimney, the second hard shock resistant heat insulating layer is wrapped with the second described soft thermal insulation layer;
Described antivibration heat insulating casting material is made up of the A that gathers materials, aluminate cement B, alkali-free glass fibre C and expanded perlite D, is matched somebody with somebody Fang Zucheng mass ratio is:
1)A:B=(50-70):(30-40),
2)C:E=(1-4):(85-100);E represents AB mixtures,
3)D:E=(1-4):(85-100);
4) water:E=(15-25):(85-100), the mass percent sum of each component is 100%;
The described A that gathers materials is made up of lightweight micro mist 40-50%, flyash 40-50%, vermiculite 5-10%;Described lightweight micro mist For the one or more in silicon powder, silicon carbide micro-powder, alumina powder, quartz micropowder.
2. steam low energy consumption long distance delivery device according to claim 1, it is characterised in that:
Described protective layer is the thick color steels of 0.5-1mm;
Described supporting layer is hard polyurethane ester layer.
3. steam low energy consumption long distance delivery device according to claim 2, it is characterised in that:Described aerial pipeline One heat-insulation layer, the heat-insulation layer of aerial pipeline second, the heat-insulation layer of aerial pipeline the 3rd and the heat-insulation layer of aerial pipeline the 4th are respectively with tying up Band is tied up;It is mutually bonded per layer frame vacant duct reflecting layer with wrapping up the aerial pipeline heat-insulation layer in it by glue;It is described Glue be high-temperature plastic;
The described heat-insulation layer of buried pipeline first, the heat-insulation layer of buried pipeline second, the heat-insulation layer of buried pipeline the 3rd and buried pipeline 4th heat-insulation layer is tied up with strapping respectively, and every layer of buried pipeline reflecting layer leads to the buried pipeline heat-insulation layer wrapped up in it Glue is crossed to be mutually bonded;Described glue is high-temperature plastic.
4. steam low energy consumption long distance delivery device according to claim 1, it is characterised in that:In described buried pipeline Leakage alarm line is set outside second heat-insulation layer.
5. steam low energy consumption long distance delivery device according to claim 1, it is characterised in that:Described built on stilts steam pipe Road and buried jet chimney are respectively provided with steam trap connection, and described steam trap connection includes collector pipe, filter grid screen and drain pipe;Institute The collector pipe stated is located at built on stilts jet chimney or buried jet chimney bottom, the top of collector pipe and built on stilts jet chimney or buried Filter grid screen, the sealed bottom of collector pipe are provided with the connected entrance of jet chimney;In described drain pipe insertion collector pipe, dredge The water inlet of water pipe is located at bottom of the tube of catchmenting, and delivery port is located at outside collector pipe.
6. steam low energy consumption long distance delivery device according to claim 5, it is characterised in that:The bottom of described collector pipe Portion is sealed using circular head;
Water inlet in described drain pipe insertion collector pipe is angle;The water inlet gradient of described drain pipe is 45 °.
7. steam low energy consumption long distance delivery device according to claim 5, it is characterised in that:The pipe of described collector pipe Footpath d1With length L1Meet claimed below:When built on stilts jet chimney or buried jet chimney caliber d≤100mm, d1=d, L1≥ 100mm;When built on stilts jet chimney or buried jet chimney caliber 100mm < d≤200mm, d1=100mm, L1=150mm;When When making somebody a mere figurehead jet chimney or buried jet chimney caliber d >=200mm, d1>=d/2, L1≥d。
8. steam low energy consumption long distance delivery device according to claim 1, it is characterised in that:In the second described down tube Folder outside sets polytetrafluoroethylene (PTFE) friction pair.
CN201510609615.9A 2015-09-22 2015-09-22 Steam low energy consumption long distance delivery device Active CN105114763B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510609615.9A CN105114763B (en) 2015-09-22 2015-09-22 Steam low energy consumption long distance delivery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510609615.9A CN105114763B (en) 2015-09-22 2015-09-22 Steam low energy consumption long distance delivery device

Publications (2)

Publication Number Publication Date
CN105114763A CN105114763A (en) 2015-12-02
CN105114763B true CN105114763B (en) 2017-10-20

Family

ID=54662815

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510609615.9A Active CN105114763B (en) 2015-09-22 2015-09-22 Steam low energy consumption long distance delivery device

Country Status (1)

Country Link
CN (1) CN105114763B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105823108B (en) * 2016-06-17 2018-11-30 南京苏夏工程设计有限公司 A kind of overlength distance conveying jet chimney
CN106499903A (en) * 2016-12-27 2017-03-15 哈尔滨朗格思特供热装备科技有限公司 Superhigh temperature prefabricated direct-buried thermal insulation pipe part elbow and production application process
CN108758103A (en) * 2018-05-23 2018-11-06 珠海新源热力有限公司 A kind of thermal insulation steam pipeline
CN109027525A (en) * 2018-09-11 2018-12-18 铜陵有色建安防水防腐有限责任公司 A kind of aerial thermal insulating structure of steam pipeline and its construction method
CN109323084A (en) * 2018-10-30 2019-02-12 江苏中圣管道工程技术有限公司 A kind of dedicated fixed regulating device of long heat transport net underground pipe
CN110425013A (en) * 2019-07-15 2019-11-08 天津国康泰节能科技有限公司 A kind of detachable energy saving coat of steam turbine
CN111594904B (en) * 2020-06-18 2024-01-23 西安西热节能技术有限公司 Control system and method for pressure loss of long-distance steam pipe network in residential heating field
CN112431966B (en) * 2020-12-18 2022-02-08 新疆零碳节能科技有限公司 Soft and hard combined prefabricated steam overhead thermal insulation pipe
CN115095844B (en) * 2022-06-28 2023-07-07 南京苏夏设计集团股份有限公司 Long heat transmission network system based on nuclear power field
CN115681680A (en) * 2022-11-29 2023-02-03 江苏中圣管道工程技术有限公司 Fixing system for prefabricating and heat-insulating steam pipeline

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2361940Y (en) * 1998-12-08 2000-02-02 南京圣诺化工设备有限公司 High-temp. thermal insulating sliding pipe carrier
CN201651637U (en) * 2010-04-16 2010-11-24 无锡市明江保温材料有限公司 Bent pipe with draining device
CN101922596A (en) * 2010-08-06 2010-12-22 王国兴 Thermal insulation pipe support
CN102442810A (en) * 2010-09-30 2012-05-09 宜兴市华盛环保管道有限公司 Dry powder of insulating layer of insulating pipe support of directly-buried pipe
CN202392357U (en) * 2011-11-18 2012-08-22 武汉德威工程技术有限公司 Directly-buried steam conveying pipeline
CN102701686A (en) * 2012-06-06 2012-10-03 创斯达(南通)机电有限公司 Fireproof and heat-insulating filling material for safety box and preparation method of fireproof heat-insulating filling material
CN102777730A (en) * 2012-07-25 2012-11-14 大连科华热力管道有限公司 Directly-buried steam pipeline for long-distance transportation
CN103075610A (en) * 2013-01-21 2013-05-01 南京苏夏工程设计有限公司 Low-energy-consumption steam delivery pipe system
CN203176561U (en) * 2013-02-27 2013-09-04 唐山兴邦管道工程设备有限公司 Steel-sleeving-steel steam thermal insulating pipe of 3PE anticorrosion outer protective steel pipe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1011532C2 (en) * 1999-03-11 2001-02-05 Rockwool Lapinus Bv Compartmentalization of mineral wool insulation.
CN2585011Y (en) * 2002-12-09 2003-11-05 赵云峰 Thermal insulation anti-quake steam buried thermal insulation pipe
CN100419035C (en) * 2006-07-12 2008-09-17 山东省科学院新材料研究所 Anticorrosive pipeline paint and its prepn
CN100510549C (en) * 2007-10-17 2009-07-08 王国兴 Long heat transportation net method
CN202327523U (en) * 2011-11-17 2012-07-11 武汉德威工程技术有限公司 Direct burial steam conveying pipeline
CN202914977U (en) * 2012-11-28 2013-05-01 江苏德威节能有限公司 Novel steam straight-buried pipe support structure
CN202914976U (en) * 2012-11-28 2013-05-01 江苏德威节能有限公司 Elbow structure of novel steam straight-buried pipe
CN104295859B (en) * 2014-10-15 2016-03-16 航天晨光股份有限公司 A kind of efficient prefabricated steam insulation pipe
CN205026310U (en) * 2015-09-22 2016-02-10 江苏中圣管道工程技术有限公司 Steam low energy consumption long distance transportation device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2361940Y (en) * 1998-12-08 2000-02-02 南京圣诺化工设备有限公司 High-temp. thermal insulating sliding pipe carrier
CN201651637U (en) * 2010-04-16 2010-11-24 无锡市明江保温材料有限公司 Bent pipe with draining device
CN101922596A (en) * 2010-08-06 2010-12-22 王国兴 Thermal insulation pipe support
CN102442810A (en) * 2010-09-30 2012-05-09 宜兴市华盛环保管道有限公司 Dry powder of insulating layer of insulating pipe support of directly-buried pipe
CN202392357U (en) * 2011-11-18 2012-08-22 武汉德威工程技术有限公司 Directly-buried steam conveying pipeline
CN102701686A (en) * 2012-06-06 2012-10-03 创斯达(南通)机电有限公司 Fireproof and heat-insulating filling material for safety box and preparation method of fireproof heat-insulating filling material
CN102777730A (en) * 2012-07-25 2012-11-14 大连科华热力管道有限公司 Directly-buried steam pipeline for long-distance transportation
CN103075610A (en) * 2013-01-21 2013-05-01 南京苏夏工程设计有限公司 Low-energy-consumption steam delivery pipe system
CN203176561U (en) * 2013-02-27 2013-09-04 唐山兴邦管道工程设备有限公司 Steel-sleeving-steel steam thermal insulating pipe of 3PE anticorrosion outer protective steel pipe

Also Published As

Publication number Publication date
CN105114763A (en) 2015-12-02

Similar Documents

Publication Publication Date Title
CN105114763B (en) Steam low energy consumption long distance delivery device
CN105864581B (en) A kind of multi-functional composite heat-insulating layer
CN205026310U (en) Steam low energy consumption long distance transportation device
CN208474785U (en) A kind of prefabricated direct-buried steam insulation pipe of long heat transport net
CN201363512Y (en) Vacuum heat-insulation high-temperature pipeline
CN103383053B (en) The insulating structure part of pipeline
CN103244758A (en) Directly-embedded energy-saving steam conveying method
CN110469748A (en) A kind of prefabricated aerial low energy consumption steam pipe network long distance delivery system
CN103727359B (en) The pipe insulation construction method of a kind of many solidifying foam glass material and device thereof
CN202392357U (en) Directly-buried steam conveying pipeline
CN206973164U (en) A kind of efficient induction system of jet chimney
CN206206904U (en) For the composite adiabatic structure of medium-temperature pipe
CN218409064U (en) Aerogel composite thermal insulation layer and heat insulation pipeline
CN211574438U (en) Prefabricated built on stilts steam insulating tube
CN209569454U (en) Polyurethane thermal pipe
CN205678362U (en) A kind of insulating tube with heating function
CN208917870U (en) A kind of extremely frigid zones subway station insulation construction
CN206268691U (en) A kind of low energy consumption heat supply network special steam direct-burried factory pipe bend
CN206738839U (en) HTHP special-shaped t-bend is incubated outer protection unit
CN203857199U (en) Direct-burial prefabricated composite thermal insulation steam pipe with built-in rolling type inner guide steel tube
CN216408186U (en) Prefabricated polyurethane heat-preservation fixed heat-insulation pipe bracket
CN206018152U (en) A kind of high prefabricated direct-buried thermal insulation pipe of structural strength
CN206398268U (en) A kind of cold insulation of LNG pipeline
CN201802995U (en) Thermal insulating pipeline bracket
CN210800465U (en) Fixed pipe bracket for prefabricated finished product heat-insulating pipe

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20151202

Assignee: Shandong Yangguang Engineering Design Institute Co., Ltd.

Assignor: JIANGSU SUNPOWER PIPING TECHNOLOGY CO., LTD.

Contract record no.: 2018320000010

Denomination of invention: Low-energy-consumption and long-distance steam conveying device

Granted publication date: 20171020

License type: Common License

Record date: 20180109

Application publication date: 20151202

Assignee: Zhongsheng High Science & Technology Industry Co., Ltd., Jiangsu

Assignor: JIANGSU SUNPOWER PIPING TECHNOLOGY CO., LTD.

Contract record no.: 2018320000009

Denomination of invention: Low-energy-consumption and long-distance steam conveying device

Granted publication date: 20171020

License type: Common License

Record date: 20180109

EE01 Entry into force of recordation of patent licensing contract