CN204607930U - One tiltedly arranges coil pipe heating furnace - Google Patents
One tiltedly arranges coil pipe heating furnace Download PDFInfo
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- CN204607930U CN204607930U CN201520183667.XU CN201520183667U CN204607930U CN 204607930 U CN204607930 U CN 204607930U CN 201520183667 U CN201520183667 U CN 201520183667U CN 204607930 U CN204607930 U CN 204607930U
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Abstract
This application discloses one and tiltedly arrange coil pipe heating furnace, according to the constant interval of heat exchange coil temperature in flue gas flow, each process furnace is divided into some heat exchange coil modules, described heat exchange coil module includes the furnace wall of both sides, the header box at two ends, and the coil pipe be arranged in furnace wall and tube sheet, described coil pipe comprises boiler tube, elbow and header, wherein, the direction arranged inclined downwards that the entirety in described heat exchange coil module or part boiler tube enter coil pipe direction to medium flow from medium goes out coil pipe is arranged.Compared with prior art, the discharge that the application is convenient to inflammable and explosive medium in boiler tube when the flowing less energy-consumption of overlength boiler tube inner fluid when process furnace runs and process furnace stop is clean, ensures upkeep operation safety, avoids residual dielectric corrosion in boiler tube.
Description
Technical field
The application relates to the tubular oven in refining of petroleum, petrochemical complex and other chemical field, the oblique row's coil pipe heating furnace particularly in modularization petrochemical heating furnace.
Background technology
(1) structure design of traditional heating stove and function
Process furnace is the tap in petrochemical complex, comprises atmospheric pressure kiln, vacuum furnace, SECTION TUBE FOR HYDROGEN MANNU-FACTURING FURNACE, reforming furnace, coking furnace, converter and pyrolyzer etc.Acting on of tubular oven is the temperature be heated to by medium (oil plant or gas) needed for technique.
The four sides of body of heater surrounds burner hearth by tall and big furnace wall, and furnace wall is by profile steel frame upper berth welding steel plates such as joist steel, and on steel plate, distribution welding bar for line, is molded into heat insulation and high-abrasive material between bar for line.The support that furnace wall is installed supports tube sheet, boiler tube is supported by tube sheet through perforated pipe plate, what flow through in boiler tube is the oil plant needing heating, and what flow through from the bottom up in burner hearth outside boiler tube is high-temperature flue gas or hot blast, and heat passes to oil plant in pipe or other medium by tube wall.
Such as, ethane cracking furnace is assembled up and down by convection zone and the large section of radiation section two, and one the 150000 tons/year general overall dimensions of ethane cracking furnace convection zone are long 18m × high 28m × wide 3m, belong to towering steel construction.
(2) traditional heating stove method of construction and technological innovation thereof
Due to historical reasons, in body of heater construction, traditional regular practice is that engineering works produce the accessories such as tube sheet, finned tube and elbow, is then responsible for, at building-site, these parts are assembled into body of heater entirety together with steel construction furnace wall by Construction Company.At device site welding technology, the piercing into of its boiler tube, spraying paint all because of outdoor high-altitude construct bring inconvenience strictly surperficial with anti-revisionist, the furnace wall of the ray detection of the assembly welding of elbow and weld seam, weld defect, the HSE policy managed with modern project has gap, and furnace wall Wear-resistant heat insulation lining is subject to weather effect meeting strain cracking, get loose or drench with rain inefficacy.
Along with the large scale development of process furnace, the traditional method that body of heater is built exposes various with the inharmonic technology of modern construction and handling problem gradually.The beginning of this century, Modular petrochemical-engineering heating furnace building technology is developed and applied, each process furnace is by the module closed assembly or assembled of several cuboids, each module comprises journal stirrup inside the header box at both sides furnace wall and two ends, furnace wall and tube sheet, boiler tube and header, on two furnace walls of bottom, be provided with adjustment and the fixed mechanism of both sides furnace wall spacing in each module, regulating mechanism through the wall thickness of furnace wall, be that mutual symmetry is matched complete the furnace wall of both sides.Module top is connected with weighing apparatus shelf structure or the hanger of convenient lifting.The furnace wall top and bottom of each group module all have a large amount of circular bolt holes.Changing process furnace at the assembly welding that device building-site carries out component is that on-the-spot modularization " plays with building blocks " formula new construction method.Technological line is: (1), according to the overall dimension of process furnace and communications and transportation route, is designed to length and suitable some of weight the segmentation of process furnace entirety, reaches the object broken the whole up into parts like this; (2) the complete each module of assembly welding body of heater in manufactory's plant building; (3) modular transportation is installed to building-site.
(3) process furnace maximizes the new problem brought
After the innovation of process furnace modularization building technology solves the coordination problem of modern construction, exposing the problem made new advances in process furnace manufacture and plant running, is exactly the emptying difficulty of medium in Large-scale Heater overlength boiler tube.At present, the finned tube that 28m is long is in engineer applied.Boiler tube whether overlength is a relative non-quantitative concept in process furnace development course.
The one side of harm, the limited length of steel pipe and inherently there is nonstraightness, after multistage steel pipe assembly welding is spliced into long tube, its nonstraightness increases to some extent, various processing subsequently and handling transfer all can aggravate its nonstraightness, therefore the nonstraightness of long boiler tube is outwardness, its straightening limited quality degree this just make coil pipe water-filling carry out withstand voltage test after clean eliminating cause difficulty, manufactory is by repeatedly raising and the method for module one end of loweing, or in coil pipe, pass into warm air can get rid of remaining water as far as possible, but inefficiency, also the modular structure that easily damage is loose.If coil pipe has the water of indefinite quantity, modular transportation can be caused overweight, during lifting, the flowing of water causes rocking of module, and the coil pipe with water is transported to cold district, also can become ice and swollen bad boiler tube because of water-setting, become the key of large project construction quality.
The another aspect of harm, when being parking maintenance after process furnace runs, in overlength boiler tube, inflammable and explosive medium cannot discharge totally, the personal security of upkeep operation and safety of getting angry cannot be ensured, in pipe, residual dielectric also may form corrosive atmosphere after contacting with air, damages boiler tube intensity and produces security incident.Inefficacy case is had to show (Wang Dujuan, Wang Qiang. alkene portion shark's finned tubes for cracking furnace Analysis of The Leakage [J], petrochemical equipment, 2007,36 (supplementary issue): 14-16), the drainage capacity of the on-the-spot coil pipe of device even determines the safety of process furnace.Certain factory's ethylene unit brought into operation from nineteen ninety-five, find that becoming has appearred declining in total recovery in April, 2006, disassemble preheating section inspection and find that bottom ash blowing mouth has overflow oil stain, leak source near on the pipeline of furnace wall, has place's diameter to be about the perforation of 10mm at convection zone basecoat in pipeline section.Analysis is the not emptying completely that purges steam before break-down maintenance, is condensed into water, collects in boiler tube bottom in boiler tube, adds that the oxygen in air forms etching condition, and cause the big area corrosion of boiler tube bottom, some position produces the pit of local.The finned tube randomly drawing again preheating section when break-down maintenance is tested, another report (Cao Wanjun. the thread breakage analysis of causes of coking heater steam injection and reparation [J]. petrochemical equipment technology, 2013,34 (3): 21-22,25.) have also discovered failure mode of the same type, there is certain ubiquity in the inefficacy that multinomial case demonstrates this type, becomes and need the urgent problem solved.
As can be seen here, petrochemical heating furnace is carried out to the improvement of design-and-build technical elements, its essential safety and on-road efficiency can be improved, there is very strong engineering significance.
Summary of the invention
Inflammable and explosive medium emptying difficulty and the solution of problem that causes thereof in boiler tube when the object of the application is to avoid above-mentioned weak point of the prior art and stops for medium flowing less energy-consumption in process furnace overlength boiler tube and process furnace specially, and the one proposed tiltedly arranges coil pipe heating furnace, to avoid residual dielectric corrosion and guarantee upkeep operation safety in boiler tube.
The object of the application is achieved through the following technical solutions:
provideone tiltedly arranges coil pipe heating furnace, formed by several heat exchange coil module assembleds, described heat exchange coil module includes the furnace wall of both sides, the header box at two ends, and the coil pipe be arranged in furnace wall and tube sheet, described coil pipe comprises boiler tube, elbow and header, wherein, the direction arranged inclined downwards that the entirety in described heat exchange coil module or part boiler tube enter coil pipe direction to medium flow from medium goes out coil pipe is arranged.
as the preferred technical scheme of the application be:described furnace wall is the furnace wall of band column, and described column is obliquely installed, and the direction arranged inclined downwards that the overall boiler tube in described heat exchange coil module enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
as the preferred technical scheme of the application be:be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends coil pipe of being connected by elbow, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
as the preferred technical scheme of the application be:be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and its two ends coil pipe of being connected by elbow, the boiler tube in this coil pipe successively head and the tail be communicated with and direction to the medium flow entering coil pipe from medium go out coil pipe direction successively arranged inclined downwards arrange.
as the preferred technical scheme of the application be:be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe of horizontal header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
as the preferred technical scheme of the application be:be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe of vertical header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
as the preferred technical scheme of the application be:be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and the coil pipe that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow, the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe.
as the preferred technical scheme of the application be:be positioned at sustained height layer in described heat exchange coil module and be symmetrically arranged with two flow processs, be positioned at the boiler tube of the different heights layer of same flow process and the coil pipe that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow, the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe.
wherein,the bottom of supporting the pore on the tube sheet of described boiler tube is set to the wedged bottom identical with described boiler tube fore-and-aft tilt degree.
wherein,the top of supporting the pore on the tube sheet of described boiler tube is all set to the oblique top identical with described boiler tube fore-and-aft tilt degree and wedged bottom with bottom.
the beneficial effect of the application:
The one of the application tiltedly arranges coil pipe heating furnace, formed by several heat exchange coil module assembleds, described heat exchange coil module includes the furnace wall of both sides, the header box at two ends, and the coil pipe be arranged in furnace wall and tube sheet, described coil pipe comprises boiler tube, elbow and header, wherein, the direction arranged inclined downwards that the entirety in described heat exchange coil module or part boiler tube enter coil pipe direction to medium flow from medium goes out coil pipe is arranged.Compared with prior art, have the following advantages after the application's use: (1) product structure function obtains essence and changes, and quality condition improves, in pipe, the emptying difficulty of test medium or operation medium is solved; (2) the parking coke cleaning of process furnace is indispensable Operation and Maintenance work, mechanical decoking is burnt relative to traditional, there is the features such as decoking scale removal is thorough, boiler tube damage is little, environmental pollution is little, and overlength boiler tube more suitable mechanical pig (PIG) coke cleaning, the boiler tube tilted also is more conducive to creeping along the gradient of mechanical pig downwards, also the outer row of convenient burnt dirt; (3) coil pipe of overlength boiler tube had both been applicable to, also the coil pipe of conventional length boiler tube is applicable to, be applicable to the coil pipe of single process multiple wraps or multipaths cross winding simultaneously, be also applicable to elbow simultaneously and connect the coil pipe of straight tube, connect the pipe row of straight tube without elbow; (4) be applicable to the field of heat exchange equipment in air-conditioning, chemical industry, petrochemical complex, electric power energy, smelting iron and steel industry, designing technique theory meets petrochemical equipment manufacture maintenance HSE (health, safety, environment) system popular in the world; (5) flimsy individual modules coil pipe is held in convenient construction, maintenance and replacing, and structure is simple, can extend the work-ing life of whole process furnace.
Accompanying drawing explanation
The utility model is described in further detail to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation for a kind of coil pipe heating furnace of the prior art.
Fig. 2 is the structural representation at another visual angle for a kind of coil pipe heating furnace of the prior art.
Fig. 3 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 4 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 5 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 6 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 7 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 8 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Fig. 9 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Figure 10 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Figure 11 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Figure 12 is wherein a kind of structural representation of a kind of oblique row's coil pipe heating furnace for the application.
Figure 13 is wherein a kind of structural representation of a kind of oblique row's 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---longitudinally front end elbow bobbin carriage, 4---longitudinally rear 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---elbow,
12---transversely the boiler tube of the 1st low side of height layer is also the boiler tube of the 2nd height floor height side simultaneously, 13---the transversely boiler tube of the 2nd low side of height layer,
14---the longitudinally boiler tube of high one end, 15---the longitudinally boiler tube of low one end, 16---horizontal header,
17---vertical header,
In---arrow represents that medium enters the direction of coil pipe, and Out---arrow represents that medium flow goes out the direction of coil pipe,
OXZ---coil pipe or the module transverse direction in rectangular coordinate system, OYZ---coil pipe or the module longitudinal direction in rectangular coordinate system,
X11---transversely the 1st height layer the 1st row boiler tube, x12---transversely the 1st height layer the 2nd row boiler tube, x13---transversely the 1st height layer the 3rd row boiler tube, x14---transversely the 1st height layer the 4th row boiler tube;
Y 1---transversely left side the 1st row boiler tube, y2---transversely left side the 2nd row boiler tube, y3---transversely left side the 3rd row boiler tube, y4---transversely left side the 4th row boiler tube;
A---bottom pore, B---pore top.
Embodiment
With the following Examples the application is further described.It should be noted that, Fig. 1 and Fig. 2 is the structure diagram of coil pipe heating furnace of the prior art, the application is the improvement on this basis, each part module comprises transversely right side furnace wall 1, transversely left side furnace wall 2, longitudinally front end elbow bobbin carriage 3, longitudinally rear end elbow bobbin carriage 4, and the coil pipe 5 be arranged in furnace wall and tube sheet 10, furnace wall with column 6 is made up of the steel construction in outside and the insulating of inner side, the module of cuboid belongs to loose assembling and coordinates, coil pipe 5 is by tube sheet 10, boiler tube, elbow 11, flange short tube is connected assembly welding with header and forms, tube sheet 10 is bearing on the journal stirrup 7 inside furnace wall.
embodiment 1
One of embodiment of a kind of oblique row's coil pipe heating furnace of the application, according to the constant interval of heat exchange coil temperature in flue gas flow, each process furnace is divided into several heat exchange coil modules to form, the heat-insulation and heat-preservation furnace wall of all its peripheries of heat exchange coil module be stacked can be overall bulk furnace wall, also can be the independently fritter furnace wall that each heat exchange coil module respectively carries, the latter's structure a kind of be the Knockdown block of cuboid.
Be with the difference of above-mentioned prior art, the direction arranged inclined downwards that the entirety in described heat exchange coil module or part boiler tube enter coil pipe 5 direction to medium flow from medium goes out coil pipe 5 is arranged.Inflammable and explosive medium emptying difficulty and the problem that causes thereof and the one that proposes tiltedly arranges coil pipe heating furnace in boiler tube when the application is stopped for medium flowing less energy-consumption in process furnace overlength boiler tube and process furnace specially, to avoid in boiler tube residual dielectric corrosion and to ensure upkeep operation safety.Compared with prior art, have the following advantages after the application's use: (1) product structure function obtains essence and changes, and quality condition improves, in pipe, the emptying difficulty of test medium or operation medium is solved; (2) the parking coke cleaning of process furnace is indispensable Operation and Maintenance work, mechanical decoking is burnt relative to traditional, there is the features such as decoking scale removal is thorough, boiler tube damage is little, environmental pollution is little, and overlength boiler tube more suitable mechanical pig (PIG) coke cleaning, the boiler tube tilted also is more conducive to creeping along the gradient of mechanical pig downwards, also the outer row of convenient burnt dirt; (3) coil pipe 5 of overlength boiler tube had both been applicable to, also the coil pipe 5 of conventional length boiler tube is applicable to, be applicable to the coil pipe 5 of single process multiple wraps or multipaths cross winding simultaneously, be also applicable to elbow 11 simultaneously and connect the coil pipe 5 of straight tube, connect the pipe row of straight tube without elbow 11; (4) be applicable to the field of heat exchange equipment in air-conditioning, chemical industry, petrochemical complex, electric power energy, smelting iron and steel industry, designing technique theory meets petrochemical equipment manufacture maintenance HSE (health, safety, environment) system popular in the world; (5) flimsy individual modules coil pipe 5 is held in convenient construction, maintenance and replacing, and structure is simple, can extend the work-ing life of whole process furnace.
embodiment 2
The embodiment two of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, vertically disposed column design traditional in prior art is become certain obliquity, and the direction arranged inclined downwards that direction to the medium flow making the overall boiler tube in described heat exchange coil module enter coil pipe 5 from medium goes out coil pipe 5 is arranged.The column be obliquely installed makes concrete module when mounted be supported to the incline structure that one end is high, the other end is low, then when column recovers back vertical up and down, then the coil pipe 5 in module also follows the incline structure that formation one end is high, the other end is low passively naturally.Concrete high low pitch can be determined according to medium physical properties, generally can by 300: 1 Proportionality designs.
The inclination of its central post can be the transverse inclination in OXZ plane, also can be the fore-and-aft tilt in OYZ plane.The technical program can realize this function by means of only the design changing column in the conventional module of prior art, is convenient to the improvement in large-scale industry, reduces difficulty and complicacy.
embodiment 3
The embodiment three of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends coil pipe 5 of being connected by elbow 11, the direction arranged inclined downwards that the boiler tube in this coil pipe 5 enters coil pipe 5 direction to medium flow from medium goes out coil pipe 5 is arranged.Specifically see shown in Fig. 3 and Fig. 4, except the component mentioned in embodiment 1, also comprise 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 does not need to tilt to install, column does not also need inclined design, but being positioned at same flow process same layer in heat exchange coil module and two ends are perpendicular to boiler tube by its spread pattern of coil pipe 5 that elbow 11 is connected longitudinally forms oblique row's structure that side is high, opposite side is low, each own independently medium entrance and the outlet of every one deck coil pipe 5, each self-forming flow process.Concrete high low pitch should be determined according to media physical characteristics, and the fore-and-aft tilt arrangement of coil pipe 5 generally can by 300: 1 Proportionality designs.For example, see shown in Fig. 4, comprise transversely the 1st height layer the 1st row boiler tube x11, transversely the 1st height layer the 2nd row boiler tube x12, transversely the 1st height layer the 3rd row boiler tube x13, transversely the 1st height layer the 4th row boiler tube x14; Transversely left side the 1st row boiler tube y 1, transversely left side the 2nd row boiler tube y2, transversely left side the 3rd row boiler tube y3, transversely left side the 4th row boiler tube y4; Wherein x11, x12, x13 and x14 belong to sustained height layer, in XOY plane, the direction arranged inclined downwards that the boiler tube in this height layer enters coil pipe 5 direction to medium flow from medium goes out coil pipe 5 is arranged, and namely medium flows downward, in like manner, the second height layer and the same concept of third high degree layer.
embodiment 4
The embodiment four of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and its two ends coil pipe 5 of being connected by elbow 11, the boiler tube in this coil pipe 5 successively head and the tail be communicated with and direction to the medium flow entering coil pipe 5 from medium go out coil pipe 5 direction successively arranged inclined downwards arrange.Concrete high low pitch should be determined according to medium physical properties, and the transverse inclination arrangement of coil pipe 5 generally can by 50: 1 Proportionality designs.Specifically shown in Figure 5, except the component that preceding embodiment is mentioned, the boiler tube also comprising transversely the 1st low side of height layer is also the boiler tube 12 of the 2nd height floor height side simultaneously, the transversely boiler tube 13 of the 2nd low side of height layer.Wherein, the boiler tube being positioned at same flow process different heights level in heat exchange coil module is contrary in the high and low side arrangement of transverse direction, also namely when forming at certain one deck oblique row's structure that left side is high, right side is low, the last layer be adjacent or 5, lower one deck coil pipe are oblique row's structures that right side is high, left side is low, but connected by end bends 11 between the several height layers belonging to same flow process, medium has common import and outlet.
embodiment 5
The embodiment five of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe 5 of horizontal header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe 5 enters coil pipe 5 direction to medium flow from medium goes out coil pipe 5 is arranged.Specifically see shown in Fig. 6 and Fig. 7, except the component that preceding embodiment is mentioned, also comprise the boiler tube 14 of longitudinally high one end, longitudinally the boiler tube 15 of low one end, horizontally disposed horizontal header 16.Wherein, heat exchange coil module need not tilt to install, column does not have inclined design yet, but being positioned at same flow process sustained height layer in heat exchange coil module and two ends are perpendicular to boiler tube by its spread pattern of coil pipe 5 that elbow 11 is connected longitudinally forms that one end is high, oblique row's structure of the other end, each own independently medium entrance and the outlet of every one deck coil pipe 5, each self-forming flow process.
embodiment 6
The embodiment six of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe 5 of vertical header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe 5 enters coil pipe 5 direction to medium flow from medium goes out coil pipe 5 is arranged.Specifically see shown in Fig. 8 and Fig. 9, except the component that preceding embodiment is mentioned, also comprise vertically arranged vertical header 17.Wherein, the header of boiler tube is not horizontally disposed, but vertically arranged.The boiler tube being positioned at same row different heights layer in heat exchange coil module all longitudinally forms that one end is high, oblique row's structure of the other end, each own independently medium entrance and the outlet of each row boiler tube, each self-forming flow process.
embodiment 7
The embodiment seven of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and the coil pipe 5 that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow 11, the boiler tube in this coil pipe 5 enters coil pipe 5 direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe 5.Specifically see Figure 10, the boiler tube being positioned at same flow process different heights level in heat exchange coil module is contrary in the high and low side arrangement of longitudinal direction, also namely when forming at certain one deck oblique row's structure that front end is high, rear end is low, the last layer be adjacent or 5, lower one deck coil pipe are oblique row's structures that rear end is high, front end is low, but connected by end bends 11 between two height layers belonging to same flow process, medium has common import and outlet.Two-layer boiler tube forms U (opening is to horizontal direction) shape, and three layers of boiler tube form the shape of similar zed or S.
embodiment 8
The embodiment eight of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopts the explanation in embodiment 1, no longer repeats at this.The difference of the present embodiment and embodiment 1 is, be positioned at sustained height layer in described heat exchange coil module and be symmetrically arranged with two flow processs, be positioned at the boiler tube of the different heights layer of same flow process and the coil pipe 5 that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow 11, the boiler tube in this coil pipe 5 enters coil pipe 5 direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe 5.Specifically see Figure 11, in order to save height space and fully balancedly utilize the heat in burner hearth, identical and two of symmetry the flow processs of structure are devised symmetrically in the longitudinal direction of heat transfer tube coil pipe module, when certain one deck of certain flow process forms oblique row's structure that front end is high, rear end is low, form at the same layer of another flow process oblique row's structure that rear end is high, front end is low.Two-layer boiler tube in each flow process forms U (opening is to horizontal direction) shape, and three layers of boiler tube form the shape of similar zed or S.
embodiment 9
The embodiment nine of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1 to embodiment 8, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1 to embodiment 8, no longer repeats at this.The difference of the present embodiment and embodiment 1 to embodiment 8 is, see Figure 12, bottom pore on the tube sheet 10 of supporting boiler tube, A is the wedged bottom that gradient longitudinal with boiler tube is identical, enough contacts area are had in bottom to make both, reduce pressure and frictional force, but pore both sides and pore top B do not tilt, and be perpendicular to tube sheet 10 surface.
embodiment 10
The embodiment ten of a kind of oblique row's coil pipe heating furnace of the application, the main technical schemes of the present embodiment is identical with embodiment 1 to embodiment 8, unaccounted feature in the present embodiment, adopts the explanation in embodiment 1 to embodiment 8, no longer repeats at this.The difference of the present embodiment and embodiment 1 to embodiment 8 is, see Figure 13, the pore top B supported on the tube sheet 10 of described boiler tube is all set to the oblique top identical with described boiler tube fore-and-aft tilt degree and wedged bottom with A bottom pore.Whole pore on the tube sheet 10 of supporting boiler tube is inclined to the inclined hole that gradient longitudinal with boiler tube is identical, both make both have enough contacts area in bottom, reduced pressure and friction, retain again the more metal of tube sheet 10, thus be conducive to tube sheet 10 intensity, also avoid the gap between boiler tube and pore too large.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
Claims (10)
1. tiltedly arrange coil pipe heating furnace for one kind, formed by several heat exchange coil module assembleds, described heat exchange coil module includes the furnace wall of both sides, the header box at two ends, and the coil pipe be arranged in furnace wall and tube sheet, described coil pipe comprises boiler tube, elbow and header, it is characterized in that: the direction arranged inclined downwards that the entirety in described heat exchange coil module or part boiler tube enter coil pipe direction to medium flow from medium goes out coil pipe is arranged.
2. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: described furnace wall is the furnace wall of band column, described column is obliquely installed, and the direction arranged inclined downwards that the overall boiler tube in described heat exchange coil module enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
3. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends coil pipe of being connected by elbow, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
4. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and its two ends coil pipe of being connected by elbow, the boiler tube in this coil pipe successively head and the tail be communicated with and direction to the medium flow entering coil pipe from medium go out coil pipe direction successively arranged inclined downwards arrange.
5. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe of horizontal header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
6. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at the boiler tube of the sustained height layer of same flow process in described heat exchange coil module and its two ends all by the coil pipe of vertical header parallel connection, the direction arranged inclined downwards that the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out coil pipe is arranged.
7. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at the boiler tube of the different heights layer of same flow process in described heat exchange coil module and the coil pipe that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow, the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe.
8. one according to claim 1 tiltedly arranges coil pipe heating furnace, it is characterized in that: be positioned at sustained height layer in described heat exchange coil module and be symmetrically arranged with two flow processs, be positioned at the boiler tube of the different heights layer of same flow process and the coil pipe that its one end is in parallel by horizontal header, its other end is communicated with the boiler tube of next adjacent height layer by elbow, the boiler tube in this coil pipe enters coil pipe direction to medium flow from medium goes out the direction arranged inclined downwards setting successively of coil pipe.
9. one as claimed in any of claims 1 to 8 tiltedly arranges coil pipe heating furnace, it is characterized in that: the bottom of supporting the pore on the tube sheet of described boiler tube is set to the wedged bottom identical with described boiler tube fore-and-aft tilt degree.
10. one as claimed in any of claims 1 to 8 tiltedly arranges coil pipe heating furnace, it is characterized in that: the top of supporting the pore on the tube sheet of described boiler tube is all set to the oblique top identical with described boiler tube fore-and-aft tilt degree and wedged bottom with bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183667.XU CN204607930U (en) | 2015-03-30 | 2015-03-30 | One tiltedly arranges coil pipe heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183667.XU CN204607930U (en) | 2015-03-30 | 2015-03-30 | One tiltedly arranges coil pipe heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204607930U true CN204607930U (en) | 2015-09-02 |
Family
ID=53960498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520183667.XU Withdrawn - After Issue CN204607930U (en) | 2015-03-30 | 2015-03-30 | One tiltedly arranges coil pipe heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204607930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155583A1 (en) * | 2015-03-30 | 2016-10-06 | 茂名重力石化机械制造有限公司 | Heating furnace with obliquely arranged coil pipes |
-
2015
- 2015-03-30 CN CN201520183667.XU patent/CN204607930U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016155583A1 (en) * | 2015-03-30 | 2016-10-06 | 茂名重力石化机械制造有限公司 | Heating furnace with obliquely arranged coil pipes |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150902 Effective date of abandoning: 20171124 |
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| AV01 | Patent right actively abandoned |