CN104774640B - A kind of tiltedly row's coil pipe heating furnace - Google Patents
A kind of tiltedly row's coil pipe heating furnace Download PDFInfo
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- CN104774640B CN104774640B CN201510143466.1A CN201510143466A CN104774640B CN 104774640 B CN104774640 B CN 104774640B CN 201510143466 A CN201510143466 A CN 201510143466A CN 104774640 B CN104774640 B CN 104774640B
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- coil pipe
- boiler tube
- heat exchange
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- tube
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
- C10G9/20—Tube furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
This application discloses a kind of tiltedly row's coil pipe heating furnace, according to the constant interval of heat exchange coil temperature in flue gas flow, each heating furnace is divided into some heat exchange coil modules, the heat exchange coil module includes the furnace wall of both sides, the header box at both ends, and it is arranged at coil pipe and tube sheet in furnace wall, the coil pipe includes boiler tube, elbow and header, wherein, direction to medium flow field of the entirely or partially boiler tube in the heat exchange coil module from medium into coil pipe goes out the direction arranged inclined downwards setting of coil pipe.Compared with prior art, the discharge of inflammable and explosive medium is clean in boiler tube when the flowing low energy consumption of overlength stove tube fluid and heating furnace stop when the application is easy to the heating furnace to run, and ensures upkeep operation safety, avoids residual dielectric in boiler tube from corroding.
Description
Technical field
The application is related to the tubular heater in petroleum refining, petrochemical industry and other chemical fields, more particularly to module
Change oblique row's coil pipe heating furnace in petrochemical heating furnace.
Background technology
(1) structure design and function of traditional heating stove
Heating furnace is the tap in petrochemical industry, including atmospheric pressure kiln, vacuum furnace, SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE, reformer, coking furnace, conversion
Stove and pyrolysis furnace etc..Acting on for tubular heater is by medium（Oil plant or gas）It is heated to the temperature needed for technique.
The four sides of body of heater surrounds burner hearth by tall and big furnace wall, and furnace wall is by the profile steel frame such as I-steel upper berth welding steel plate, steel plate
Upper distribution welding bar for line, is molded into heat-insulated and high-abrasive material between bar for line.The support installed on furnace wall supports tube sheet,
Boiler tube supported through perforated pipe plate by tube sheet, and what is flowed through in boiler tube is the oil plant for needing to heat, outside boiler tube in burner hearth from
Under up flow through is high-temperature flue gas or hot blast, heat is transmitted to oil plant or other media in pipe by tube wall.
For example, ethane cracking furnace is assembled up and down by convection section and two big section of radiant section, 150,000 tons/year of ethene split
It is long 18m × high 28m × wide 3m to solve the general overall dimensions of stove convection section, belongs to towering steel construction.
(2) traditional heating stove method of construction and its technological innovation
Due to historical reasons, traditional usual practice is enginerring works' production tube sheet, finned tube and curved during body of heater is built
First-class accessory, then it is responsible for together with steel construction furnace wall these parts are assembled into body of heater in building-site by Construction Company whole
Body.In device site welding technology, the piercing into of its boiler tube, with the group weldering of elbow and ray detection, anti-revisionist, the stove of weld defect of weld seam
The strict spray painting in wall surface brings inconvenience because of the construction of outdoor high-altitude, has gap, stove with the HSE policies of modern project management
Wall Wear-resistant heat insulation lining by weather influenceed can strain cracking, release or the failure that drenches with rain.
Develop with the maximization of heating furnace, the traditional method that body of heater is built gradually exposes various and modern construction
Uncoordinated technology and problem of management.The beginning of this century, Modular petrochemical-engineering heating furnace building technology is developed and applied, each
For platform heating furnace by the module closed assembly or assembled of several cuboids, each module includes the curved of both sides furnace wall and both ends
Journal stirrup and tube sheet, boiler tube and header on the inside of head case, furnace wall, are provided with both sides furnace wall on two furnace walls of each module close to bottom
The regulation of spacing and fixed mechanism, governor motion are mutually symmetrical with matching complete through the wall thickness of furnace wall, the furnace wall of both sides
's.Module top is connected with the weighing apparatus frame structure or hanger for facilitating lifting.The furnace wall top and bottom of each group of module are provided with largely
Circular bolt holes.It is that live modularization " takes product to change heating furnace in the assembly welding that device building-site carries out parts
Wood " formula new construction method.Technology path is：(1) it is according to the overall dimension of heating furnace and communications and transportation route, heating furnace is overall
Segmentation is designed as length and weight is suitable some, so reaches the purpose to break the whole up into parts；(2) completely in manufactory
Group each module of brazier body in plant building；(3) modular transportation to building-site is installed.
(3) new problem that heating furnace maximization is brought
After the innovation of heating furnace modularization building technology solves the coordination problem of modern construction, heating furnace manufacture and device
The problem of new is exposed in operation, is exactly the emptying difficulty of medium in Large-scale Heater overlength boiler tube.At present, the fin of 28m length
Pipe is in engineer applied.Whether overlength is a relative non-quantitative concept in heating furnace development course to boiler tube.
, the limited length of steel pipe and inherently there is nonstraightness in the one side of harm, multistage steel pipe assembly welding is spliced into long tube
Its nonstraightness increased afterwards, and subsequent various processing and handling transfer can aggravate its nonstraightness, therefore long boiler tube is not straight
Degree is objective reality, and this clean exclusion for just making coil pipe water-filling carry out after pressure test of its straightening limited quality degree causes to be stranded
Difficulty, manufactory by raising and loweing the method for module one end or can be excluded toward hot-air is passed through in coil pipe as far as possible repeatedly
Remaining water, but efficiency is low, also easily damages loose modular structure.If coil pipe has the water of indefinite quantity, meeting
Cause modular transportation overweight, during lifting the flowing of water cause rocking for module, the coil pipe with water transports cold district, can also
Because water-setting is into ice and swollen bad boiler tube, turn into the key of large project construction quality.
The another aspect of harm, when being parking maintenance after heating furnace is run, inflammable and explosive medium can not be arranged in overlength boiler tube
The personal security that upkeep operation totally, can not be ensured and safety of getting angry are put, residual dielectric after air contact with being also possible to shape in pipe
Into corrosive atmosphere, damage boiler tube intensity produces security incident.There is failure case to show that (Wang Dujuan, Wang Qiang alkene portion crack
Stove finned tube Analysis of The Leakage [J], petrochemical equipment, 2007,36 (supplementary issues)：14-16), device scene coil pipe drains
Ability even determines the safety of heating furnace.Certain factory's ethylene unit brings into operation from nineteen ninety-five, finds that total recovery occurs in April, 2006
Decline and, disassemble preheating section inspection and find that bottom ash blowing mouth has overflow oil stain, leak source abuts furnace wall in convection section basecoat
Pipeline on, have the perforation of diameter about 10mm at one in pipeline section.Analysis is the incomplete emptying that purges steam before shut-down (breakdown) mainteance, in stove
In-tube condensation Cheng Shui, boiler tube bottom is collected in, etching condition is formed plus the oxygen in air, cause boiler tube bottom large area rotten
Erosion, some positions produce local pit.The finned tube for randomly selecting preheating section again in shut-down (breakdown) mainteance is tested, Ling Yibao
Road（The army coking heaters steam injection thread breakage analysis of causes of Cao ten thousand and reparation [J] petrochemical equipment technologies, 2013,34
(3)：21-22,25.）The failure mode of same type is have also discovered, the failure that multinomial case demonstrates this type is present necessarily
Generality, turn into needs and urgently solve the problems, such as.
As can be seen here, petrochemical heating furnace is designed and building technology in terms of improvement, can improve its essence
Safety and on-road efficiency, there is very strong engineering significance.
The content of the invention
The purpose of the application is to avoid above-mentioned weak point of the prior art and specifically for heating furnace overlength boiler tube
The solution for the problem of inflammable and explosive medium emptying is difficult in boiler tube when interior media flow low energy consumption and heating furnace stop and its causes,
And the one kind proposed tiltedly arranges coil pipe heating furnace, to avoid residual dielectric in boiler tube from corroding and ensure upkeep operation safety.
The purpose of the application is achieved through the following technical solutions：
A kind of tiltedly row's coil pipe heating furnace is provided, is formed by several heat exchange coil module assembleds, the heat exchange coil mould
Block includes the furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, and the coil pipe includes stove
Pipe, elbow and header, wherein, the entirely or partially boiler tube in the heat exchange coil module enters the direction of coil pipe extremely from medium
The direction arranged inclined downwards that medium flow field goes out coil pipe are set.
It is as the preferable technical scheme of the application：The furnace wall is the furnace wall with column, and the column is obliquely installed, institute
State overall boiler tube in heat exchange coil module and enter direction to the medium flow field of coil pipe from medium and go out the direction of coil pipe and tilt down row
Row are set.
It is as the preferable technical scheme of the application：Sustained height in the heat exchange coil module in same flow
Coil pipe connect by elbow of boiler tube and its both ends of layer, direction of the boiler tube from medium into coil pipe in the coil pipe to medium
The direction arranged inclined downwards for flowing out coil pipe are set.
It is as the preferable technical scheme of the application：Different height in the heat exchange coil module in same flow
Coil pipe connect by elbow of boiler tube and its both ends of layer, boiler tube in the coil pipe connection from beginning to end and enter disk from medium successively
The direction of pipe to medium flow field goes out the direction arranged inclined downwards setting successively of coil pipe.
It is as the preferable technical scheme of the application：Sustained height in the heat exchange coil module in same flow
By horizontal header coil pipe in parallel, the boiler tube in the coil pipe enters the direction of coil pipe from medium for the boiler tube of layer and its both ends
The direction arranged inclined downwards for going out coil pipe to medium flow field are set.
It is as the preferable technical scheme of the application：Sustained height in the heat exchange coil module in same flow
By vertical header coil pipe in parallel, the boiler tube in the coil pipe enters the direction of coil pipe from medium for the boiler tube of layer and its both ends
The direction arranged inclined downwards for going out coil pipe to medium flow field are set.
It is as the preferable technical scheme of the application：Different height in the heat exchange coil module in same flow
The boiler tube and its one end of layer are connected by the boiler tube that horizontal header is in parallel, its other end passes through elbow and adjacent next height layer
Logical coil pipe, direction to the medium flow field that boiler tube in the coil pipe enters coil pipe from medium go out the direction of the coil pipe row of tilting down successively
Row are set.
It is as the preferable technical scheme of the application：It is symmetrically arranged with the heat exchange coil module positioned at sustained height layer
Two flows, the boiler tube and its one end of the different height layer in same flow are led to by the parallel connection of horizontal header, its other end
Cross the coil pipe that elbow connects with the boiler tube of adjacent next height layer, the boiler tube in the coil pipe enters the direction of coil pipe extremely from medium
Medium flow field goes out the direction arranged inclined downwards setting successively of coil pipe.
Wherein, the bottom for supporting the pore on the tube sheet of the boiler tube is arranged to and the boiler tube fore-and-aft tilt degree identical
Wedged bottom.
Wherein, support and be disposed as at the top and bottom of the pore on the tube sheet of the boiler tube and the boiler tube fore-and-aft tilt
Spend identical oblique top and wedged bottom.
The beneficial effect of the application：
One kind of the application tiltedly arranges coil pipe heating furnace, is formed by several heat exchange coil module assembleds, the heat exchange coil
Module includes the furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, and the coil pipe includes stove
Pipe, elbow and header, wherein, the entirely or partially boiler tube in the heat exchange coil module enters the direction of coil pipe extremely from medium
The direction arranged inclined downwards that medium flow field goes out coil pipe are set.Compared with prior art, there is advantages below after the application use：
(1) product structure function obtains essential change, and quality condition is improved, in pipe test medium or run medium emptying be stranded
Difficulty is solved；(2) the parking coke cleaning of heating furnace is indispensable Operation and Maintenance work, and mechanical decoking is relative to tradition
Burn for, have the characteristics that to devoke scale removal thoroughly, boiler tube damage is small, environmental pollution is small, and the more preferably mechanical pig of overlength boiler tube
(PIG) coke cleaning, inclined boiler tube are also more conducive to being creeped downwards along the gradient for mechanical pig, are also convenient for the outer row of burnt dirt；(3) both fit
For the coil pipe of overlength boiler tube, the coil pipe of conventional length boiler tube is also applied for, while is applied to single process multi-lay winding or multithread
The coil pipe of journey cross winding, while apply also for the coil pipe of elbow connection straight tube, the pipe row without elbow connection straight tube；(4) fit
For the field of heat exchange equipment in air-conditioning, chemical industry, petrochemical industry, electric power energy, iron and steel smelting industry, designing technique theory meets
Popular petrochemical equipment manufacture maintenance HSE (health, safety, environment) system in the world；(5) it is convenient to build, overhaul and change appearance
Flimsy individual modules coil pipe, it is simple in construction, the service life of whole heating furnace can be extended.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is for a kind of structural representation of coil pipe heating furnace of the prior art.
Fig. 2 is for a kind of structural representation at another visual angle of coil pipe heating furnace of the prior art.
Fig. 3 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 4 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 5 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 6 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 7 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 8 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Fig. 9 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Figure 10 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Figure 11 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Figure 12 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Figure 13 is a kind of one of which structural representation of tiltedly row coil pipe heating furnace for the application.
Include in Fig. 1 to Figure 13：
1 --- transversely right side furnace wall, 2 --- transversely left side furnace wall, 3 --- along longitudinal front end elbow bobbin carriage, 4 ---
Along longitudinally aft end elbow bobbin carriage, 5 --- coil pipe, 6 --- column, 7 --- journal stirrup,
8 --- the transversely boiler tube of high side, 9 --- the transversely boiler tube of low side, 10 --- tube sheet, 11 --- it is curved
Head,
12 --- transversely the boiler tube of the low side of the 1st height layer simultaneously and the 2nd height floor height side boiler tube, 13 ---
The transversely boiler tube of the low side of the 2nd height layer,
14 --- along the boiler tube of the high one end in longitudinal direction, 15 --- along the boiler tube of the low one end in longitudinal direction, 16 --- horizontal header,
17 --- vertical header,
In --- arrow represents that medium enters the direction of coil pipe, and Out --- arrow represents that medium flow field goes out the direction of coil pipe,
The transverse direction of OXZ --- coil pipe or module in rectangular coordinate system, OYZ --- coil pipe or module are in rectangular coordinate system
Longitudinal direction,
X11 --- the transversely row boiler tube of the 1st height layer the 1st, x12 --- the transversely row boiler tube of the 1st height layer the 2nd,
X13 --- the transversely row boiler tube of the 1st height layer the 3rd, x14 --- the transversely row boiler tube of the 1st height layer the 4th；
Y 1 --- transversely the 1st row boiler tube of left side, y2 --- transversely the 2nd row boiler tube of left side, y3 --- transversely left side
3rd row boiler tube, y4 --- transversely the 4th row boiler tube of left side；
A --- pore bottom, B --- pore top.
Embodiment
The application is further described with the following Examples.It should be noted that Fig. 1 and Fig. 2 is in the prior art
Coil pipe heating furnace structure diagram, the application is the improvement on basis herein, and each module includes transversely right side stove
Wall 1, transversely left side furnace wall 2, along longitudinal front end elbow bobbin carriage 3, along longitudinally aft end elbow bobbin carriage 4, and be arranged in furnace wall
Coil pipe 5 and tube sheet 10, the furnace wall with column 6 is made up of the steel construction in outside and the insulating of inner side, cuboid
The assembling that module belongs to loose coordinates, and coil pipe 5 connects group weldering with header by tube sheet 10, boiler tube, elbow 11, flange short tube and formed,
Tube sheet 10 is supported on the journal stirrup 7 on the inside of furnace wall.
Embodiment 1
One of embodiment of a kind of tiltedly row coil pipe heating furnace of the application, according to heat exchange coil temperature in flue gas flow
The constant interval of degree, each heating furnace are divided into several heat exchange coil modules to form, all heat exchange disks being stacked
The heat-insulation and heat-preservation furnace wall on its periphery of tube module can be that overall bulk furnace wall or each heat exchange coil module respectively come with
Independent fritter furnace wall, latter configuration it is a kind of be cuboid assembling module.
Difference with above-mentioned prior art is that the entirely or partially boiler tube in the heat exchange coil module enters from medium
Direction to the medium flow field for entering coil pipe 5 goes out the direction arranged inclined downwards setting of coil pipe 5.The application is specifically for heating furnace overlength stove
The problem of inflammable and explosive medium emptying is difficult in boiler tube when media flow low energy consumption and heating furnace stop in pipe and its causes and carry
The one kind gone out tiltedly arranges coil pipe heating furnace, to avoid residual dielectric in boiler tube from corroding and ensure upkeep operation safety.With prior art
Compare, there is advantages below after the application use：(1) product structure function obtains essential change, and quality condition is improved,
The emptying difficulty of test medium or operation medium is solved in pipe；(2) the parking coke cleaning of heating furnace is indispensable behaviour
Make maintenance work, mechanical decoking for traditional burn, have decoking scale removal thoroughly, boiler tube damage small, environmental pollution
The features such as small, and more preferably mechanical pig (PIG) coke cleaning of overlength boiler tube, inclined boiler tube are also more conducive to being climbed downwards along the gradient for mechanical pig
OK, it is also convenient for the outer row of burnt dirt；(3) coil pipe 5 of overlength boiler tube is not only suitable for, is also applied for the coil pipe 5 of conventional length boiler tube,
Simultaneously suitable for single process multi-lay winding or the coil pipe 5 of multipaths cross winding, while elbow 11 is applied also for and has connected straight tube
Coil pipe 5, without elbow 11 connect straight tube pipe row；(4) it is applied to air-conditioning, chemical industry, petrochemical industry, electric power energy, smelting iron and steel
Field of heat exchange equipment in industry, designing technique theory meet popular in the world petrochemical equipment manufacture maintenance HSE (health, peace
Entirely, environment) system；(5) it is convenient to build, overhaul and change the individual modules coil pipe 5 being easily damaged, it is simple in construction, it can extend
The service life of whole heating furnace.
Embodiment 2
The application it is a kind of tiltedly row coil pipe heating furnace embodiment two, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, by vertically disposed column design traditional in the prior art into certain gradient,
So that overall boiler tube in the heat exchange coil module from medium enter coil pipe 5 direction to medium flow field go out the direction of coil pipe 5 to
Lower inclination spread configuration.The column being obliquely installed make it that specifically module is supported to the inclination that one end is high, the other end is low when mounted
Structure, then when column is restored back to vertical up and down, then the coil pipe 5 in module naturally also and then passively forms one end height, the other end
Low incline structure.Specifically high low pitch can determine according to medium physical property, typically can be by 300: 1 Proportionality designs.
Tilting for its central post can be in the lateral inclination of OXZ planes, or inclines the longitudinal direction in OYZ planes
Tiltedly.This function can be achieved in design of the technical program only by changing column in the conventional module of prior art, is easy to big
Improvement on technical scale, reduce difficulty and complexity.
Embodiment 3
The application it is a kind of tiltedly row coil pipe heating furnace embodiment three, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, the boiler tube of the sustained height layer in the heat exchange coil module in same flow,
And the coil pipe 5 that its both ends is connected by elbow 11, direction to the medium that the boiler tube in the coil pipe 5 enters coil pipe 5 from medium flow out
The direction arranged inclined downwards of coil pipe 5 are set.Referring specifically to shown in Fig. 3 and Fig. 4, in addition to the parts mentioned in embodiment 1, go back
Include the boiler tube 8 of transversely high side, transversely the boiler tube 9 of low side, tube sheet 10 and elbow 11.Wherein, heat exchange coil module
Installation need not be tilted, column also without inclined design, but in heat exchange coil module positioned at same layer in same flow
And coil pipe 5 its spread pattern for being connected by elbow 11 of both ends is perpendicular to boiler tube to be longitudinally formed that side is high, opposite side is low oblique
Arrange structure, each own independent medium entrance of each layer of coil pipe 5 and outlet, each one flow of self-forming.Specific high low dip
Degree preferably determines that the fore-and-aft tilt arrangement of coil pipe 5 typically can be by 300: 1 Proportionality designs according to media physical characteristics.For example, see Fig. 4
Shown, including the transversely row boiler tube x11 of the 1st height layer the 1st, the transversely row boiler tube x12 of the 1st height layer the 2nd, transversely the 1st is high
The row boiler tube x13 of layer the 3rd is spent, transversely the row boiler tube x14 of the 1st height layer the 4th；Transversely the 1st row boiler tube y 1 of left side, it is transversely left
The row boiler tube y2 of side the 2nd, transversely left side the 3rd row boiler tube y3, transversely left side the 4th row boiler tube y4；Wherein x11, x12, x13 and
X14 belongs to sustained height layer, and in XOY plane, direction to the medium that the boiler tube in this height layer enters coil pipe 5 from medium flows out
The direction arranged inclined downwards of coil pipe 5 are set, i.e., medium flows downward, and similarly, the second height layer and third height layer are same
Concept.
Embodiment 4
The application it is a kind of tiltedly row coil pipe heating furnace embodiment four, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, the boiler tube of the different height layer in the heat exchange coil module in same flow,
And the coil pipe 5 that its both ends is connected by elbow 11, boiler tube in the coil pipe 5 connection from beginning to end and enter coil pipe 5 from medium successively
Direction to medium flow field goes out the direction arranged inclined downwards setting successively of coil pipe 5.Specific high low pitch is preferably according to medium physics
Property determines that the lateral inclination arrangement of coil pipe 5 typically can be by 50: 1 Proportionality designs.Referring specifically to shown in Fig. 5, except preceding embodiment
Outside the parts mentioned, in addition to transversely the boiler tube of the low side of the 1st height layer is also the boiler tube of the 2nd height floor height side simultaneously
12, the transversely boiler tube 13 of the low side of the 2nd height layer.Wherein, positioned at different height layer in same flow in heat exchange coil module
High and low side arrangement of the secondary boiler tube in transverse direction on the contrary, namely when high on the left of the formation of a certain layer, right side is low oblique row's structure,
Last layer or next layer of coil pipe 5 adjacent thereto is then oblique row's structure that right side is high, left side is low, but belongs to same flow
Connected between several height layers by end bends 11, medium has common inlet and outlet.
Embodiment 5
The application it is a kind of tiltedly row coil pipe heating furnace embodiment five, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, the boiler tube of the sustained height layer in the heat exchange coil module in same flow,
And its both ends is by horizontal header coil pipe 5 in parallel, boiler tube in the coil pipe 5 enters the direction of coil pipe 5 to medium from medium
The direction arranged inclined downwards for flowing out coil pipe 5 are set.Referring specifically to the parts shown in Fig. 6 and Fig. 7, mentioned except preceding embodiment
Outside, in addition to the boiler tube 14 along the high one end in longitudinal direction, along the boiler tube 15 of the low one end in longitudinal direction, horizontally disposed horizontal header 16.Wherein,
Heat exchange coil module need not tilt installation, and column does not have an inclined design yet, but being located at same flow in heat exchange coil module
Coil pipe 5 its spread pattern that interior sustained height layer and both ends are connected by elbow 11 be perpendicular to boiler tube be longitudinally formed one end it is high,
Oblique row's structure of the other end, each own independent medium entrance of each layer of coil pipe 5 and outlet, each one flow of self-forming.
Embodiment 6
The application it is a kind of tiltedly row coil pipe heating furnace embodiment six, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, the boiler tube of the sustained height layer in the heat exchange coil module in same flow,
And its both ends is by vertical header coil pipe 5 in parallel, boiler tube in the coil pipe 5 enters the direction of coil pipe 5 to medium from medium
The direction arranged inclined downwards for flowing out coil pipe 5 are set.Referring specifically to the parts shown in Fig. 8 and Fig. 9, mentioned except preceding embodiment
Outside, in addition to vertically arranged vertical header 17.Wherein, the header of boiler tube is not horizontally disposed, but vertically arranged.Change
Boiler tube edge in hot plate tube module positioned at different height layer in same row is longitudinally formed one end height, oblique row's structure of the other end,
Each own independent medium entrance of each row boiler tube and outlet, each one flow of self-forming.
Embodiment 7
The application it is a kind of tiltedly row coil pipe heating furnace embodiment seven, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, the boiler tube of the different height layer in the heat exchange coil module in same flow,
And the coil pipe that its one end is connected by the parallel connection of horizontal header, its other end by elbow 11 with the boiler tube of adjacent next height layer
5, direction to the medium flow field that boiler tube in the coil pipe 5 enters coil pipe 5 from medium goes out the direction of coil pipe 5 arranged inclined downwards is set successively
Put.Referring specifically to Figure 10, the boiler tube in heat exchange coil module positioned at different height level in same flow is in longitudinal high and low side
Arrangement on the contrary, namely when forming oblique row's structure that front end is high, rear end is low in a certain layer, last layer adjacent thereto or next layer
Coil pipe 5 is then oblique row's structure that rear end is high, front end is low, but curved by end between belonging to two height layers of same flow
First 11 connection, medium have common inlet and outlet.Two layers boiler tube forms U and (is open to horizontal direction) shape, and three layers of boiler tube are formed
The shape of similar zed or S.
Embodiment 8
The application it is a kind of tiltedly row coil pipe heating furnace embodiment eight, the main technical schemes of the present embodiment with
Embodiment 1 is identical, in the present embodiment unaccounted feature, using the explanation in embodiment 1, is no longer repeated herein.This
The difference of embodiment and embodiment 1 is, two flows are symmetrically arranged with positioned at sustained height layer in the heat exchange coil module,
The boiler tube and its one end of different height layer in same flow pass through elbow 11 by the parallel connection of horizontal header, its other end
The coil pipe 5 connected with the boiler tube of adjacent next height layer, boiler tube in the coil pipe 5 enter the direction of coil pipe 5 to being situated between from medium
Mass flow goes out the direction arranged inclined downwards setting successively of coil pipe 5.Referring specifically to Figure 11, in order to save height space and fully
Using the heat in burner hearth, longitudinally asymmetric in heat exchanger tube coil pipe module devises identical and symmetrical two stream of structure on weighing apparatus ground
Journey, when a certain layer of some flow forms oblique row's structure that front end is high, rear end is low, rear end is formed in the same layer of another flow
Oblique row's structure high, front end is low.Two layers of boiler tube in each flow forms U and (is open to horizontal direction) shape, and three layers of boiler tube are formed
The shape of similar zed or S.
Embodiment 9
The application it is a kind of tiltedly row coil pipe heating furnace embodiment nine, the main technical schemes of the present embodiment with
Embodiment 1 is identical to embodiment 8, in the present embodiment unaccounted feature, using the explanation in embodiment 1 to embodiment 8,
This is no longer repeated.The present embodiment and the difference of embodiment 1 to embodiment 8 be, referring to Figure 12, supports the tube sheet 10 of boiler tube
On pore bottom A be with boiler tube longitudinal direction gradient identical wedged bottom so that enough contacts area are arranged at both bottoms, reduce pressure
And frictional force, but B is not tilted at the top of pore both sides and pore, and it is perpendicular to the surface of tube sheet 10.
Embodiment 10
The application it is a kind of tiltedly row coil pipe heating furnace embodiment ten, the main technical schemes of the present embodiment with
Embodiment 1 is identical to embodiment 8, in the present embodiment unaccounted feature, using the explanation in embodiment 1 to embodiment 8,
This is no longer repeated.The present embodiment and the difference of embodiment 1 to embodiment 8 be, referring to Figure 13, supports the pipe of the boiler tube
B and pore bottom A is disposed as and the boiler tube fore-and-aft tilt degree identical oblique top and wedged bottom at the top of pore on plate 10.Will branch
Hold the whole pore on the tube sheet 10 of boiler tube be inclined to boiler tube longitudinal direction gradient identical inclined hole, both have both bottoms enough
Contact area, pressure and friction are reduced, retain 10 more metals of tube sheet again, so as to be advantageous to the intensity of tube sheet 10, also avoid stove
Gap between pipe and pore is too big.
Finally it should be noted that above example is only to illustrate the technical scheme of the application, rather than the application is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the application, one of ordinary skill in the art should
Work as understanding, the technical scheme of the application can be modified or equivalent substitution, without departing from the reality of technical scheme
Matter and scope.
Claims (9)
1. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The furnace wall is the furnace wall with column, and the column is obliquely installed, in the heat exchange coil module
The direction arranged inclined downwards that direction to medium flow field of the overall boiler tube from medium into coil pipe goes out coil pipe are set.
2. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes the sustained height in same flow
The boiler tube of layer, and the elbow at series connection boiler tube both ends, direction to the medium that the boiler tube in the coil pipe enters coil pipe from medium flow out
The direction arranged inclined downwards of coil pipe are set.
3. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes the different height in same flow
The boiler tube of layer, and the elbow at series connection boiler tube both ends, boiler tube in the coil pipe connection from beginning to end and enter coil pipe from medium successively
Direction to medium flow field goes out the direction arranged inclined downwards setting successively of coil pipe.
4. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes the sustained height in same flow
The boiler tube of layer, the both ends of the boiler tube are connected in parallel by horizontal header, and the boiler tube in the coil pipe enters coil pipe from medium
The direction arranged inclined downwards that direction to medium flow field goes out coil pipe are set.
5. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes the sustained height in same flow
The boiler tube of layer, the both ends of the boiler tube are connected in parallel by vertical header, and the boiler tube in the coil pipe enters coil pipe from medium
The direction arranged inclined downwards that direction to medium flow field goes out coil pipe are set.
6. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes the different height in same flow
The boiler tube of layer, one end of the boiler tube by the other end of horizontal header boiler tube in parallel, described by elbow with it is adjacent next
The boiler tube connection of height layer, boiler tube in the coil pipe from medium enter coil pipe direction to medium flow field go out the direction of coil pipe successively to
Lower inclination spread configuration.
7. a kind of tiltedly row's coil pipe heating furnace, is formed, the heat exchange coil module includes by several heat exchange coil module assembleds
The furnace wall of both sides, the header box at both ends, and the coil pipe and tube sheet being arranged in furnace wall, the coil pipe include boiler tube, elbow and
Header, it is characterised in that：The heat exchange coil module includes coil pipe, and the coil pipe includes being symmetrically arranged with positioned at sustained height layer
Two flows, the boiler tube of the different height layer in same flow, one end of the boiler tube are in parallel, described by horizontal header
The other end of boiler tube is connected by elbow with the boiler tube of adjacent next height layer, and the boiler tube in the coil pipe enters coil pipe from medium
Direction to medium flow field go out the direction of coil pipe arranged inclined downwards set successively.
A kind of 8. tiltedly row's coil pipe heating furnace as claimed in any of claims 1 to 7, it is characterised in that：Described in supporting
The bottom of pore on the tube sheet of boiler tube is arranged to and the boiler tube fore-and-aft tilt degree identical wedged bottom.
A kind of 9. tiltedly row's coil pipe heating furnace as claimed in any of claims 1 to 7, it is characterised in that：Described in supporting
It is disposed as at the top and bottom of pore on the tube sheet of boiler tube and the boiler tube fore-and-aft tilt degree identical oblique top and wedged bottom.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143466.1A CN104774640B (en) | 2015-03-30 | 2015-03-30 | A kind of tiltedly row's coil pipe heating furnace |
| PCT/CN2016/077458 WO2016155583A1 (en) | 2015-03-30 | 2016-03-27 | Heating furnace with obliquely arranged coil pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510143466.1A CN104774640B (en) | 2015-03-30 | 2015-03-30 | A kind of tiltedly row's coil pipe heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104774640A CN104774640A (en) | 2015-07-15 |
| CN104774640B true CN104774640B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510143466.1A Active CN104774640B (en) | 2015-03-30 | 2015-03-30 | A kind of tiltedly row's coil pipe heating furnace |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104774640B (en) |
| WO (1) | WO2016155583A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104774640B (en) * | 2015-03-30 | 2017-11-24 | 茂名重力石化装备股份公司 | A kind of tiltedly row's coil pipe heating furnace |
| CN107024116A (en) * | 2016-02-02 | 2017-08-08 | 中石化洛阳工程有限公司 | One koji U-tube |
| CN105953630B (en) * | 2016-06-24 | 2019-02-19 | 茂名重力石化装备股份公司 | A kind of heating furnace that coil pipe is drawable |
| CN110411214A (en) * | 2019-07-25 | 2019-11-05 | 茂名重力石化装备股份公司 | A kind of heating furnace for cancelling pull rod |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4019466A (en) * | 1975-11-03 | 1977-04-26 | John Zink Company | Apparatus for radiant heat transfer |
| CN1152099A (en) * | 1995-12-01 | 1997-06-18 | 河南省交通科学研究所 | Heat conducting oil heating furnace |
| US6425757B1 (en) * | 2001-06-13 | 2002-07-30 | Abb Lummus Global Inc. | Pyrolysis heater with paired burner zoned firing system |
| CN2655114Y (en) * | 2003-11-21 | 2004-11-10 | 杜亮 | Superconducting liquid heater for overhead oil tank |
| CN2864480Y (en) * | 2006-01-19 | 2007-01-31 | 杜亮 | Horizontal superconductive liquid crude oil heating device |
| CN201400658Y (en) * | 2008-11-11 | 2010-02-10 | 茂名重力石化机械制造有限公司 | Modular petrochemical-engineering heating furnace |
| CN201837237U (en) * | 2010-07-30 | 2011-05-18 | 茂名重力石化机械制造有限公司 | Accumbent modular industrial furnace |
| CN202470753U (en) * | 2012-02-22 | 2012-10-03 | 中国石油化工集团公司 | Tubular heating furnace |
| CN202885600U (en) * | 2012-04-18 | 2013-04-17 | 宁波永润石化科技有限公司 | High-efficiency heat exchanger |
| CN103591832B (en) * | 2013-11-22 | 2016-04-20 | 茂名重力石化机械制造有限公司 | A kind of tiltedly finned tube exchanger |
| CN203561273U (en) * | 2013-11-22 | 2014-04-23 | 茂名重力石化机械制造有限公司 | Oblique-fin tube heat exchanger |
| CN204607930U (en) * | 2015-03-30 | 2015-09-02 | 茂名重力石化机械制造有限公司 | One tiltedly arranges coil pipe heating furnace |
| CN104774640B (en) * | 2015-03-30 | 2017-11-24 | 茂名重力石化装备股份公司 | A kind of tiltedly row's coil pipe heating furnace |
-
2015
- 2015-03-30 CN CN201510143466.1A patent/CN104774640B/en active Active
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2016
- 2016-03-27 WO PCT/CN2016/077458 patent/WO2016155583A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016155583A1 (en) | 2016-10-06 |
| CN104774640A (en) | 2015-07-15 |
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