CN102636053A - Dual-channel heat transmission heat exchanger with rectangular heating pipe and manufacturing process thereof - Google Patents
Dual-channel heat transmission heat exchanger with rectangular heating pipe and manufacturing process thereof Download PDFInfo
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- CN102636053A CN102636053A CN2012101513617A CN201210151361A CN102636053A CN 102636053 A CN102636053 A CN 102636053A CN 2012101513617 A CN2012101513617 A CN 2012101513617A CN 201210151361 A CN201210151361 A CN 201210151361A CN 102636053 A CN102636053 A CN 102636053A
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Abstract
The invention relates to a dual-channel heat transmission heat exchanger with a rectangular heating pipe and a manufacturing process of the dual-channel heat transmission heat exchanger. The heat exchanger comprises outer heat supply pipes the longitudinal sections of which are rectangular, wherein the outer end of each outer heat supply pipe is plugged through an end socket closure plate; a notch is correspondingly arranged on the pipe walls of the same ends of the two adjacent heat supply outer pipes, another notch is arranged on the other same ends of the next adjacent outer heat supply pipes are correspondingly, and the outer heat supply pipes are communicated through the notches; the outer heat supply pipes are internally provided with tap water heat absorption pipes which are communicated through tap water communicating pipes, and the tap water communicating pipes pass through the notches; and inner heat supply pipes are arranged in the tap water heat absorption pipes, and the inner heat supply pipes are communicated with a cavity body of the outer heat supply pipes. According to the heat exchanger and the manufacturing process, the effective heat energy is utilized fully, a double-pipe cold fluid wall of at the center of a pipe cavity is heated, the heat-transfer area is increased, heat fluid and cold fluid are heated in a circulating manner by three channels, and the heat transfer efficiency is improved. A stainless steel thin wall pipe, a plate manufacture punching, stretching and flanging are adopted; the thin wall stainless steel welding difficulty is reduced due to the embedding type, the side pinched, so that the welding is easy, and acid is filled in an inner channel for cleaning scale generated in the inner channel.
Description
Technical field
This patent relates to a kind of heating installation heat exchange hydrophone that the heat radiation of on family's heat supplying pipeline, can warming oneself can exchange hot water bathing again for of installing and using, and is specifically related to a kind of stainless steel rectangular heating tube binary channels heat transfer and pinches limit heat exchanger and manufacture craft thereof.
Background technology
The applicant applied on April 4th, 2005 authorizing on May 24th, 2006, and the patent No. is 200520082097.1, and Granted publication number is CN2783245Y, patent of invention title: " close packed tube counterflow heat exchanger ".In the commodity of market circulation at present, prior art and patented product housing are be divided into two kinds of heating pad passage.Coiling copper pipe 15～25mm in a kind of, the copper pipe diameter is Φ 8～9.52mm adverse current and mixed-flow.Another kind is big cavity casing storage-type, facts have proved that through market subscriber checking for many years to have obvious heating surface area little, and weak effect can not be had a bath; Thin copper pipe is that cold fluid pass generation incrustation scale can not use acid to clean, and cost is high, and the storage-type housing is big; The waste resource material occupies defectives such as spatial area is big.
Household central heating transition heat hydrophone has nearly 15 years development history, and prior art and former patented technology are heat, cold two kinds of fluid single file channel cycle heat-transfer effects are poor, have significant deficiency and technical barrier, and be unresolved.Circle or rectangular tube cold water channel, pipe cross section or circle R center, rectangular tube cross section coolant-temperature gage are in the low temperature state always, can not get the technical barrier of heat absorption.As circular pipe being divided into the donut that some areas equate; Inside radius is R, and along the water temperature of or two, many mutually perpendicular diameter measurements, the outer toroid water temperature nearest apart from R radius contact thermal fluid pipe walls farthest is the highest then; Circle R center water temperature is minimum; Cause the heat conduction uneven, heat loss is big, and heat exchange efficiency is low.
At present, heating system adopts the warm heating of conducting heat in ground (plate) more, general low about about 45 ℃ of heating coolant-temperature gage.Household central heating heat exchange hydrophone can exchange out a large amount of hot water, and successively stream is had a bath, and the generation incrustation scale can clean with acid in the running water pipe, has become the great technical barrier in this field.
The applicant is in heating engineering installation and the work in 15 years of household central heating transition heat hydrophone manufacture view, and from application on February 10th, 1998, on May 12nd, 1999 granted patent; The patent No. is 98220257.1, the utility model title: " heating shower heat is sent out interchanger ", original invention; Patented product first in the Chinese market list marketing, innovation in making the heating exchanger practice accumulates in the working experience for many years; Sum up, continual research and development improve, and successively apply for a patent in this field and authorize 4 of patents of invention; Utility model patent 30 is multinomial; Application of the present invention is the substantial improvements of heating exchanger technical field, has essential distinction, compares with prior art and former patented technology to have outstanding substantive distinguishing features and obvious improvement.
Summary of the invention
The objective of the invention is to overcome above-mentioned existing and former patent heat transfer area is little; Heat exchange efficiency is low, and technological deficiencies such as weak effect provide a kind of effective heat energy that makes full use of; The two-tube wall heating of the cold fluid at tube chamber center; Increase heat transfer area, hot, cold two kinds of fluid triple channel circulation heating, the rectangle heating tube binary channels heat transfer heat exchanger and the manufacture craft thereof of raising heat exchange efficiency.The present invention adopts stainless-steel thin-wall pipe, plate to make punching, stretching, flange.Adopt embedded welding, reduced thin-wall stainless steel welding difficulty, and pinched the limit and weld well, internal channel produces incrustation scale can irritate the acid cleaning.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of rectangle heating tube binary channels heat transfer heat exchanger comprises that the longitudinal section more than two and two is the heat supply outer tube of rectangle, arranges side by side between the heat supply outer tube; Heat supply outer tube outer end is through the outer channel closure closure plate shutoff of heat supply; Correspondence has a notch on the adjacent tube wall of a common end of two adjacent heat supply outer tubes, and correspondence has another notch on the adjacent tube wall of another common ends of next adjacent heat supply outer tube; The heat supply outer tube is communicated with through notch; Be provided with the running water endothermic tube in the heat supply outer tube, be communicated with through running water communicating pipe between the running water endothermic tube; Running water communicating pipe is passed notch; The inlet side of running water endothermic tube connects running water inlet; The end that goes out of running water endothermic tube connects the running water outlet; The inlet side of heat supply outer tube connects the heating installation import; The end that goes out of heat supply outer tube connects heating outlet, it is characterized in that: partly or entirely be provided with pipe in the heat supply in the running water endothermic tube pipe, pipe communicates with the cavity of heat supply outer tube in the heat supply.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: described running water endothermic tube is a straight tube; Described running water communicating pipe is a straight tube; Pipe is straight tube in the described heat supply.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: be fixedly connected with connectedness between the notch that wherein a part of adjacent heat supply outer tube is opened, be communicated with through connectedness between the two adjacent heat supply outer tubes; And be fixedly connected with support member between the corresponding other end heat supply of the connectedness outer tube; Leave the bar shaped installing hole between its adjacent heat supply outer tube.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: said heat supply outer tube one side outer end more than two is by the outer channel closure closure plate shutoff of a heat supply; Perhaps each heat supply outer tube is by the outer channel closure closure plate shutoff of a heat supply; Perhaps two adjacent heat supply outer tube common ends correspondences have notch, and the limit of otch place two adjacent heating tubes is pinched side weld and connect, and its common ends outside is by the outer channel closure closure plate shutoff of a heat supply; Perhaps two adjacent heating tubes respectively correspondence have notch, and be communicated with through connectedness between the two heat supply outer tubes, its heat supply outer tube, connectedness one side outer end are by the outer channel closure closure plate shutoff of a heat supply.
According to described rectangle heating tube binary channels heat transfer heat exchanger; It is characterized in that: the outer channel closure closure plate of described heat supply is outwards or to in-flanges; Be embedded in one or two and above heat supply outer tube one side ports, the flange of the outer channel closure closure plate of heat supply is with heat supply outer tube port limit and connect, the bilateral alignment pinch side weld and connect in succession.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: be inlaid with running water endothermic tube end socket closure plate in the port of described running water endothermic tube, running water endothermic tube end socket closure plate is towards porose, punching in-flanges or flanging; Running water endothermic tube end socket closure plate flanging or in-flanges, the flange of running water endothermic tube end socket closure plate is with running water endothermic tube port limit and connect, the bilateral alignment pinch side weld and connect in succession; In the in-flanges of running water endothermic tube end socket closure plate punching or flanging and the heat supply port limit of pipe and connect, the bilateral alignment pinch side weld and connect in succession.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: described heating installation import and running water outlet are arranged on the same end of heat exchanger the same side; Described heating outlet and running water inlet are arranged on another same end of heat exchanger the same side.
According to described rectangle heating tube binary channels heat transfer heat exchanger; It is characterized in that: two adjacent running water endothermic tube termination correspondences cut into 45; Running water communicating pipe, the two ends correspondence cut into 45, and running water communicating pipe and running water endothermic tube butt welding at an angle of 90 are logical in succession.
According to described rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that: pipe, running water endothermic tube, running water communicating pipe, the outer channel closure of heat supply, running water endothermic tube end socket closure plate are that stainless steel material is made in described heat supply outer tube, the heat supply; Described running water endothermic tube one end is held into bend pipe, is docked and connected at the other end.
A kind of technology of making said rectangle heating tube binary channels heat transfer heat exchanger is characterized in that:
(1) pipe single face on a termination tube wall on the longitudinal section in limit, rectangle heat supply outer tube both sides is washed notch 38 * 45mm open; Long 12～15mm lets the hair grow in another termination; It is 1.5～2mm that the corresponding surface below dashes the inside stretchable holes of circle aperture limit height; Running water inlet, running water outlet screw thread silk head are installed, the outer channel closure closure plate of heat supply are installed, on the outer channel closure closure plate of heat supply heating installation import and export pipe screw joint is installed with the termination; Other adjacent rectangle heat supply outer tube single face on a termination tube wall on the longitudinal section is washed notch open; Wash notch open on another corresponding surface below, termination tube wall; The tube wall of the same otch end of two adjacent heat supply outer tubes is arranged side by side; Pinch side weld at rectangle outer tube port and connect otch two tube walls, institute's otch forms rectangle heat supply outer tube circulation canal;
(2) limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow; The inside stretchable holes of one termination single face punching limit height is 1.0～1.5mm; Corresponding surface below in termination is towards aperture in addition; The inside stretchable holes of two corresponding apertures limit height 1.0～1.5mm, a termination is connected with running water import and export gas thread silk head, and in addition termination and the running water direct-connected siphunculus that absorbs heat is communicated with; 7～10mm place single face the punching of letting the hair grow of other running water endothermic tube two ends; Termination corresponding surface below punching in addition; The inside stretchable holes of two corresponding apertures limit height is 1.0～1.5mm; Running water absorbs heat direct-connected siphunculus according to running water endothermic tube stretching aperture and height two ends end face R angle, stretchable holes limit crop; Absorb heat direct-connected siphunculus of running water inserts in the running water endothermic tube end face stretchable holes, and running water bilateral alignment the in direct-connected siphunculus crop limit and running water endothermic tube stretchable holes limit of absorbing heat coincide consistently, and argon arc welding is pinched the limit self-dissolving and welded connection in the running water endothermic tube mouth of pipe;
Perhaps; Limit, running water endothermic tube both sides pipe cuts 45 according to pipe diameter two ends to opposite direction, and a termination is connected with running water import and export gas thread silk head, and other termination and the running water direct-connected siphunculus that absorbs heat is communicated with; Other running water endothermic tube two ends cuts into 45 to opposite direction; The two ends corresponding surface all is exterior angles, and running water absorbs heat direct-connected siphunculus according to the equidirectional 45 that all inwardly cuts into of running water endothermic tube pipe diameter two ends, and is logical in succession with the butt welding of running water endothermic tube; Seal of tube welding is communicated with in running water absorbs heat the end punching insertion heat supply of direct-connected siphunculus exterior angle, and the pipe two-port communicates with the otch cavity in the heat supply; Described running water endothermic tube also can be held into bend pipe, is docked and connected at the other end;
Running water endothermic tube port end socket closure plate outward flanging 3～5mm; Be embedded in the running water endothermic tube port, shutoff edges of boards and running water endothermic tube mouth of pipe limit be bilateral aligns, coincide and consistently pinch the limit from molten face bonding method argon arc welding girth welding connection around the running water endothermic tube mouth of pipe;
(3) running water endothermic tube end socket closure plate dashes has centre bore; Centre bore is to the limit 3～5mm that turns up; With insert the running water endothermic tube in heat supply in the bilateral pipe mouth of pipe that aligns in heat supply in the mouth of pipe limit of managing pinch the side ring seam welding and be connected, the two-port of managing in the heat supply communicates with otch cavity case;
(4) rectangle heat supply outer tube two ends end socket closure plate outward flanging 1.5～2mm is high, and no gap is embedded in the rectangle heat supply outer tube port, and rectangle outer tube mouth of pipe limit is identical consistent with the limit close-fitting of end socket closure plate, and bilateral alignment is pinched the limit from molten downhand welding method vertical masonry joint welding.
Beneficial effect of the present invention:
1,, upgrades the existing patent technological knowledge structure that reaches, under the situation of the general low employing geothermal heating system of heating coolant-temperature gage in order to solve this great technical barrier; Through repetition test, to take in cold fluid endothermic tube cavity, to install in the stainless steel heat supply and manage, stainless steel is the good conductor of heat; Stainless rate of heat transfer＞water has increased greatly that hot and cold two kinds of fluid thermal exchange needed heat transfer area in the unit volume, increases heat transfer area; Dwindle heating radius, hot fluid is managed in heat supply outer tube, heat supply and is the two partitions of duplicate rows passage and conducts heat, in the heat supply pipe at cold fluid tube chamber center adverse current pass; Liberated heat should equal the resulting heat of cold fluid; Cold fluid is the annular channel flow, more increases turbulent extent, accelerates rate of heat transfer.Heat transfer area in the unit volume is about prior art single file passage, more than 2 times of single wall heat transfer heat exchanger, has formed " hot Bao Leng " " cold heat of bag again " triple channel circulation heat transfer structure, and the thermal efficiency is very high.
The invention solves heating installation heat exchange hydrophone hot fluid under the certain pressure temperature; Under the situation of certain flow rate; Turbulent extent does not affect by the low temperature flow regime of thermal conductor central cylindrical; In the stainless steel heat supply is installed at cold fluid endothermic tube center, manage, impel the hot-fluid physical efficiency to be absorbed into and reduce to minimum temperature, and cold fluid to multipotency is heated to the inlet water temperature degree of hot fluid.The present invention has reached practicality purpose, water for bathing long-time continuous output more than 38 ℃, continues to flow.
2, running water endothermic tube of the present invention and heating tube, end socket closure plate etc. all adopt stainless steel material, and the stainless steel tube corrosion resistance is good durable prolongs life, and tube wall is thin to conduct heat, and the copper material cost is high, and stainless steel is superior to other material.Can exchange again that pure hot water clearly from the beginning can be had a bath, the practicality etc. of living.The smooth fluid flow resistance of stainless steel tube tube wall is little, and incrustation scale is difficult to absorption, prolongs the incrustation scale adsorption time; Even if produce micro-incrustation scale, also can irritate acid and clean, small product size is little; The stainless steel tube tube wall is thinner, is convenient to punching, stretching, flange, inlays and pinch the limit and weld low cost of manufacture well.Cold water heating cavity is narrow, and it is water-tight that cold fluid heating static pressure is pinched the side weld method for a short time.
3, the change generation by structure brings new technique effect, in unit volume, increases heat transfer area, improves heat-transfer area structure heating tube and can adopt screw thread emboss pipe, bellows etc. more to increase the tt surface area that conducts heat.In running water endothermic tube pipe cavity, install in the heating tube and manage, form the two partition convection heat transfer' heat-transfer by convection of pipe duplicate rows passage in heat supply outer tube, the heat supply, the pure countercurrent heat exchange structure of hot and cold two kinds of fluid triple channel increases MTD, improves heat conduction steady heat transfer.Running water is heated in the process of flowing through, and high efficient heat exchanging does not have temperature difference, and long-time continuous is exported hot water, continued to flow.Solved prior art cold fluid single file passage single wall heat transfer tube chamber central temperature and crossed low state, the cold fluid central lumen can not get absorbing heat or the slow defective of heat conduction.The heat conduction is uneven, the technical barrier that heat loss is excessive.The low temperature layer at cold fluid tube chamber of the present invention center; The pipe flow of heated fluid has been installed in the heat supply to penetrate the cold flow layer through the heat conduction of duplicate rows passage and obtains heat absorption cmpletely; Accelerate heat conduction speed, the present invention compared with prior art increases effective heat transfer area, has promoted 3 times heat exchange effect.
4, the present invention adopts the argon arc welding new technology; All welded seam joints are taked punching, stretching, flange, inlay wall and are connect the identical unanimity of solder side edge alignment, pinch the limit from molten downhand welding method welding technology; Reduced the thin welding difficulty of stainless steel tube tube sheet wall; Weldering speed is fast, save expense when artificial, economizes welding wire, is shaped, weld seam is attractive in appearance, and double-walled contacts to be pinched the side weld penetration power and form the one side welding with back formation welding bead by force; Weld strength is big, 2 times of compression resistances are strong, pinches the water-tight advantage of guaranteeing that the heat exchanger security is used of side weld welding seam.
5, the heating supply outer tube is communicated with all weld seams, welding bead does not soak because of pinching side weld welding seam inwall.End socket closure plate vertical masonry joint weld seam inside and outside wall face does not soak.All weld seam welding beads of cold fluid internal channel do not soak because of pinching side weld welding seam internal face; Reduce water logging oxygen corrosion welding bead wall and fluid velocity frictional force friction welding bead wall; Effectively increase the anti-ageing intensity of heat exchanger, it is long to reduce product welded seam, fatigue life, nothing life-span of leaking.
6, shell of the present invention be heat donor passage compared with present technology, interior pipe adopts the stainless steel tube tube wall smooth, prolongs incrustation scale absorption; Promptly produce incrustation scale and can irritate cleaning, compare the housing volume that has dwindled the shell cold fluid pass for the cold flow passage, save raw material with existing patented technology shell; It is big to have solved the cold fluid cavity; It is big that cold fluid is heated the bulbs of pressure, the defective that product is prone to leak, output during hot water shell cool off cold scattering gas can not be as defectives such as radiator heat radiation uses.The present invention can obtain from the beginning that hot water can dispel the heat as radiator again, and having solved internal channel is defectives such as the heat donor passage fluid resistance is big, has a strong impact on defectives such as heat supply cycle heat exchange radiating effect difference.
7, the present invention brings new technique effect by the change generation of structure; Take to manage in the heat supply of heating tube inner and outer pipes duplicate rows passage straight cutting running water endothermic tube tube chamber and heat the no dead angle of reverse-flow convection heat transfer' heat-transfer by convection exchange from the center; Hot, cold two kinds of fluid triple channel circulation has increased heat transfer area; Improve heat transfer efficiency, export for a long time that hot water successively flows more than 38 °.The invention belongs to the renewal substitute products, structure is unique novel, creative.
8, heat supply outer tube of the present invention fluting bore is less than heat supply outer tube cavity, and running water endothermic tube caliber is greater than absorb heat 2～2.6 times of direct-connected siphunculus calibers of running water.Flow through communicating pipe turning point of two fluids can form turbulence and stirs fluidized bed, destroys the effect of viscous flow bottom, constitutes the MTD that adverse current can be bigger, the cyclic balance heat absorption of going round and beginning again, and it is high to reduce thermograde efficient.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 has the bar shaped installing hole, the structural representation when being communicated with through connectedness between the adjacent heat supply outer tube of the present invention.
Fig. 3 is the enlarged drawing at A place among Fig. 2.
Fig. 4 is the enlarged drawing at B place among Fig. 2.
Fig. 5 is the profile sketch map of Fig. 2.
Fig. 6 is the structural representation of connectedness.
Fig. 7 is the cutaway view of the outer channel closure closure plate of heat supply.
Fig. 8 is the stereogram of the outer channel closure closure plate of heat supply.
Fig. 9 is the structural representation of two adjacent heat supply outer tube termination institute otch.
Figure 10 between the heat supply outer tube of the present invention through the running water communicating pipe structural representation that is docked and connected of 45.
In the accompanying drawing: 1, heating installation import; 2, running water outlet; 3, heat supply outer tube; 4, running water endothermic tube; 5, pipe in the heat supply; 6, running water communicating pipe; 7, running water endothermic tube end socket closure plate; 8, the outer channel closure closure plate of heat supply; 9, notch; 10, running water inlet; 11, heating outlet; 12, bar shaped installing hole; 13, connectedness; 14, support member.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
Rectangle heating tube binary channels heat transfer heat exchanger of the present invention such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4 comprise that the longitudinal section more than two and two is the heat supply outer tube 3 of rectangle, arrange side by side between the heat supply outer tube 3; Heat supply outer tube 3 outer ends are through outer channel closure closure plate 8 shutoff of heat supply; Correspondence has a notch 9 on the adjacent tube wall of a common end of two adjacent heat supply outer tubes 3, and correspondence has another notch 9 on the adjacent tube wall of another common ends of next adjacent heat supply outer tube 3; Heat supply outer tube 3 is communicated with through notch 9; Be provided with running water endothermic tube 4 in the heat supply outer tube 3, be communicated with through running water communicating pipe 6 between the running water endothermic tube 4; Running water communicating pipe 6 is passed notch 9; The inlet side of running water endothermic tube 4 connects running water inlet 10; The end that goes out of running water endothermic tube 4 connects running water outlet 2; The inlet side of heat supply outer tube connects heating installation import 1; The end that goes out of heat supply outer tube connects heating outlet 11, it is characterized in that: partly or entirely be provided with pipe 5 in the heat supply in running water endothermic tube 4 pipes, pipe 5 communicates with the cavity of heat supply outer tube 3 in the heat supply.
Described running water endothermic tube 4 is a straight tube; Described running water communicating pipe 6 is a straight tube; Pipe 5 is a straight tube in the described heat supply.Described heat supply outer tube 3 is a straight tube.
Like Fig. 2, shown in Figure 5, be fixedly connected with between the notch 9 that wherein a part of adjacent heat supply outer tube 3 is opened between the adjacent heat supply outer tube 3 of connectedness 13, two and be communicated with through connectedness 13; And be fixedly connected with support member 14 between the connectedness 13 corresponding other end heat supply outer tubes 3; Leave bar shaped installing hole 12 between its adjacent heat supply outer tube 3.
Heat supply outer tube (3) the one side outer ends of the present invention more than two can be by outer channel closure closure plate (8) shutoff of a heat supply; Perhaps each heat supply outer tube 3 is by outer channel closure closure plate 8 shutoff of a heat supply; Perhaps two adjacent heat supply outer tube 3 common ends correspondences have notch 9, and the limit of otch place two adjacent heating tubes 3 is pinched side weld and connect, and its common ends outside is by outer channel closure closure plate 8 shutoff of a heat supply; Perhaps two adjacent heating tubes 3 respectively correspondence have notch 9, and be communicated with through connectedness 13 between the two heat supply outer tubes 3, its heat supply outer tube 3, connectedness 13 1 side outer ends are by outer channel closure closure plate 8 shutoff of a heat supply.
Like Fig. 7, Fig. 8, shown in Figure 4; The outer channel closure closure plate 8 of heat supply of the present invention is outwards or to in-flanges; Be embedded in one or two and above heat supply outer tube 3 one side ports, the flange of the outer channel closure closure plate 8 of heat supply is with heat supply outer tube 3 port limits and connect, the bilateral alignment pinch side weld and connect in succession.
Like Fig. 1, shown in Figure 4, be inlaid with running water endothermic tube end socket closure plate 7 in the port of running water endothermic tube 4 of the present invention, running water endothermic tube end socket closure plate 7 is towards porose, punching in-flanges or flanging; Running water endothermic tube end socket closure plate 7 flangings or in-flanges, the flange of running water endothermic tube end socket closure plate 7 is with running water endothermic tube 4 port limits and connect, the bilateral alignment pinch side weld and connect in succession; In the in-flanges of running water endothermic tube end socket closure plate 7 punchings or flanging and the heat supply port limit of pipe 5 and connect, the bilateral alignment pinch side weld and connect in succession.
Shown in figure 10, the present invention's two adjacent running water endothermic tube 4 termination correspondences cut into 45, running water communicating pipes 6 the two ends correspondence cut into 45, running water communicating pipe 6, butt welding was logical in succession at an angle of 90 with running water endothermic tube 4.
Pipe 5, running water endothermic tube 4, running water communicating pipe 6, the outer channel closure 8 of heat supply, running water endothermic tube end socket closure plate 7 are made for stainless steel material in heat supply outer tube of the present invention 3, the heat supply.
Running water endothermic tube 4 one ends of the present invention are held into bend pipe, and (not drawing among the figure) is docked and connected at the other end.
The present invention makes the technology of rectangle heating tube binary channels heat transfer heat exchanger, it is characterized in that:
(1) pipe single face on a termination tube wall on the longitudinal section in limit, rectangle heat supply outer tube both sides is washed notch 38 * 45mm open; Long 12～15mm lets the hair grow in another termination; It is 1.5～2mm that the corresponding surface below dashes the inside stretchable holes of circle aperture limit height; Running water inlet, running water outlet screw thread silk head are installed, the outer channel closure closure plate of heat supply are installed, on the outer channel closure closure plate of heat supply heating installation import and export pipe screw joint is installed with the termination; Other adjacent rectangle heat supply outer tube single face on a termination tube wall on the longitudinal section is washed notch open; Wash notch open on another corresponding surface below, termination tube wall; The tube wall of the same otch end of two adjacent heat supply outer tubes is arranged side by side; Pinch side weld at rectangle outer tube port and connect otch two tube walls, institute's otch forms rectangle heat supply outer tube circulation canal;
(2) limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow; The inside stretchable holes of one termination single face punching limit height is 1.0～1.5mm; Corresponding surface below in termination is towards aperture in addition; The inside stretchable holes of two corresponding apertures limit height 1.0～1.5mm, a termination is connected with running water import and export gas thread silk head, and in addition termination and the running water direct-connected siphunculus that absorbs heat is communicated with; 7～10mm place single face the punching of letting the hair grow of other running water endothermic tube two ends; Termination corresponding surface below punching in addition; The inside stretchable holes of two corresponding apertures limit height is 1.0～1.5mm; Running water absorbs heat direct-connected siphunculus according to running water endothermic tube stretching aperture and height two ends end face R angle, stretchable holes limit crop; Absorb heat direct-connected siphunculus of running water inserts in the running water endothermic tube end face stretchable holes, and running water bilateral alignment the in direct-connected siphunculus crop limit and running water endothermic tube stretchable holes limit of absorbing heat coincide consistently, and argon arc welding is pinched the limit self-dissolving and welded connection in the running water endothermic tube mouth of pipe;
Perhaps; Limit, running water endothermic tube both sides pipe cuts 45 according to pipe diameter two ends to opposite direction, and a termination is connected with running water import and export gas thread silk head, and other termination and the running water direct-connected siphunculus that absorbs heat is communicated with; Other running water endothermic tube two ends cuts into 45 to opposite direction; The two ends corresponding surface all is exterior angles, and running water absorbs heat direct-connected siphunculus according to the equidirectional 45 that all inwardly cuts into of running water endothermic tube pipe diameter two ends, and is logical in succession with the butt welding of running water endothermic tube; Seal of tube welding is communicated with in running water absorbs heat the end punching insertion heat supply of direct-connected siphunculus exterior angle, and the pipe two-port communicates with the otch cavity in the heat supply; Described running water endothermic tube also can be held into bend pipe, is docked and connected at the other end;
Running water endothermic tube port end socket closure plate outward flanging 3～5mm; Be embedded in the running water endothermic tube port, shutoff edges of boards and running water endothermic tube mouth of pipe limit be bilateral aligns, coincide and consistently pinch the limit from molten face bonding method argon arc welding girth welding connection around the running water endothermic tube mouth of pipe;
(3) running water endothermic tube end socket closure plate dashes has centre bore; Centre bore is to the limit 3～5mm that turns up; With insert the running water endothermic tube in heat supply in the bilateral pipe mouth of pipe that aligns in heat supply in the mouth of pipe limit of managing pinch the side ring seam welding and be connected, the two-port of managing in the heat supply communicates with otch cavity case;
(4) rectangle heat supply outer tube two ends end socket closure plate outward flanging 1.5～2mm is high, and no gap is embedded in the rectangle heat supply outer tube port, and rectangle outer tube mouth of pipe limit is identical consistent with the limit close-fitting of end socket closure plate, and bilateral alignment is pinched the limit from molten downhand welding method vertical masonry joint welding.
Embodiment
The present invention is in order to upgrade existing and patent knowledge technical pattern, and the technical scheme that provides is following:
A kind of rectangle heating tube binary channels heat transfer heat exchanger and manufacture craft thereof; Comprise that the longitudinal section more than two and two is the heat supply outer tube of rectangle, arrange side by side on the otch limit between the heat supply outer tube, and the heat supply outer tube is pinched side weld through the limit of two pipes of otch and led in succession; Insert the running water endothermic tube in the heat supply outer tube; For what be communicated with, an end of running water endothermic tube connects described running water inlet to the running water endothermic tube through heat supply outer tube otch, and the other end of running water endothermic tube connects said running water outlet; The top of heat supply outer tube is connected the heating installation import and the heating outlet of described heat supply outer tube with end not; It is characterized in that: be installed with pipe in the heat supply in the running water endothermic tube pipe, formation cold fluid double-walled heating triple channel circulates, and manages in the heat supply in the otch cavity to communicate.
1, pipe single face on a termination tube wall on the longitudinal section in limit, rectangle heat supply outer tube both sides is washed notch 38 * 45mm open; Long 12～15mm lets the hair grow in another termination; It is 1.5～2mm that the corresponding surface below dashes the inside stretchable holes of circle aperture limit height; Running water inlet, running water outlet screw thread silk head are installed, the outer channel closure closure plate of heat supply are installed, on the outer channel closure closure plate of heat supply heating installation is installed and is imported and exported pipe screw joint with the termination.Other adjacent rectangle heat supply outer tube single face on a termination tube wall on the longitudinal section is washed notch open; Wash notch open on another corresponding surface below, termination tube wall; The tube wall of the same otch end of two adjacent heat supply outer tubes is arranged side by side; Pinch side weld at rectangle outer tube port and connect otch two tube walls, institute's otch of opening forms rectangle heat supply outer tube circulation canal.
2, limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow; The inside stretchable holes of one termination single face punching limit height is 1.0～1.5mm; Corresponding surface below in termination is towards aperture in addition; The inside stretchable holes of two corresponding apertures limit height 1.0～1.5mm, a termination and running water import and export gas thread silk head and are connected, and other termination and the running water direct-connected siphunculus that absorbs heat is communicated with.7～10mm place single face the punching of letting the hair grow of other running water endothermic tube two ends; Termination corresponding surface below punching in addition; The inside stretchable holes of two corresponding apertures limit height is 1.0～1.5mm; Running water absorbs heat direct-connected siphunculus according to running water endothermic tube stretching aperture and height two ends end face R angle, stretchable holes limit crop; Absorb heat direct-connected siphunculus of running water inserts in the running water endothermic tube end face stretchable holes, and running water bilateral alignment the in direct-connected siphunculus crop limit and running water endothermic tube stretchable holes limit of absorbing heat coincide consistently, and argon arc welding is pinched the limit self-dissolving and welded connection in the running water endothermic tube mouth of pipe.
Limit, running water endothermic tube both sides pipe cuts 45 according to pipe diameter two ends to opposite direction; One termination is imported and exported gas thread silk head with running water and is connected; In addition termination and the running water direct-connected siphunculus that absorbs heat is communicated with, and other running water endothermic tube two ends cuts into 45 to opposite direction, and the two ends corresponding surface all is exterior angles; Running water absorbs heat direct-connected siphunculus according to the equidirectional 45 that all inwardly cuts into of running water endothermic tube pipe diameter two ends; Logical in succession with the butt welding of running water endothermic tube, seal of tube welding is communicated with in running water absorbs heat the end punching insertion heat supply of direct-connected siphunculus exterior angle, and the pipe two-port communicates with the otch cavity in the heat supply.
The running water endothermic tube also can be held into bend pipe (holding back bending), is docked and connected at the other end, reduces welding point, reduces water leakage ratio, saves the energy, the minimizing expense.
Running water endothermic tube port end socket closure plate outward flanging 3～5mm; Be embedded in the running water endothermic tube port, shutoff edges of boards and running water endothermic tube mouth of pipe limit be bilateral aligns, coincide and consistently pinch the limit from molten face bonding method argon arc welding girth welding connection around the running water endothermic tube mouth of pipe.
3, running water endothermic tube end socket closure plate dashes has centre bore; Centre bore is to the limit 3～5mm that turns up; With insert the running water endothermic tube in heat supply in the bilateral pipe mouth of pipe that aligns in heat supply in the mouth of pipe limit of managing pinch the side ring seam welding and be connected, the two-port of managing in the heat supply communicates with otch cavity case.
Increase area of heat-supply service, improve circle center cold water temperature.Form the two reverse-flow convection heat transfer' heat-transfer by convection of partition heats cold fluid duplicate rows passage of hot fluid, the whole connection of running water endothermic tube is movable, and thermal expansion can freely be stretched, and is qualified through water pressure test ne-leakage.
The mass activity of stainless steel running water endothermic tube is arranged in the heating tube, and the stainless steel tube wall is smooth, and the very difficult absorption of incrustation scale prolongs and reduces incrustation scale absorption, and producing micro-incrustation scale filling acid can clean.Heat conduction is good, alleviates thermal expansion force, reduces the chilled water system water leakage ratio.
Otch enhance fluid less turbulence strengthens flow velocity, and layer thickness in reducing to remain in a standstill in the heat transfer boundary layer improves convective heat-transfer coefficient, reduces the resistance of convection heat transfer' heat-transfer by convection.
4, rectangle heat supply outer tube two ends end socket closure plate outward flanging 1.5～2mm is high; No gap is embedded in the rectangle heat supply outer tube port; Rectangle outer tube mouth of pipe limit is identical consistent with the limit close-fitting of end socket closure plate, and bilateral alignment is pinched the limit from molten downhand welding method vertical masonry joint welding, is qualified through the stress test ne-leakage once more.
Inventive point: application of the present invention is that the renewal of prior art is created, and has improved product with compact structure property, under present low-temperature heat supply situation; Effectively utilize hot fluid; Be to increase heat transfer area in the unit volume, improved rate of heat transfer, dwindle running water endothermic tube pipe cavity diameter; In thinner running water endothermic tube pipe cavity center; Insert that pipe has dwindled heating radius in the stainless steel heat supply, attenuate cold fluid zone of heating thickness be the heating of annulus state, it is very fast that zone of heating thickness diameter is no more than 5～7.5mm heat conduction.The running water direct-connected stilette running water endothermic tube caliber that absorbs heat is little 2～2.6 times, the baffling at heating tube shell side passage otch place, and cold fluid is baffling at the direct-connected siphunculus of running water place; Produce and stir fluidized bed; Its objective is in order to strengthen fluid velocity, make heat, cold two kinds of Hydrodynamic turbulence degree aggravation, to improve the fluid convection heat transfer coefficient; Constituted cold fluid two partition convection heat transfer' heat-transfer by convection in toroidal cavity, formation heat, cold two kinds of fluids are go in ring triple channel adverse current or mixed-flow circulation heat transfer structure.Exchange output running water hot water and the synthermal successive stream of hot fluid inlet water temperature degree do not have temperature difference.The present invention is conducted heat to compare with existing and patented technology single file passage single wall and has been improved 3 times heat-transfer effect, has outstanding substantive distinguishing features and obvious improvement.And reduced manufacturing cost, the pickling of stainless steel fouling ability, life of product is long, belongs to upgrading substituting innovative product.
The present invention is produced by the change of structure and brings new technique effect, takes heat supply inner and outer pipes binary channels convection heat transfer' heat-transfer by convection, has increased heat transfer area, improves heat transfer efficiency, exports for a long time that hot water successively flows more than 38 °.The invention belongs to renewal product.
Claims (10)
1. a rectangle heating tube binary channels heat transfer heat exchanger comprises that the longitudinal section more than two and two is the heat supply outer tube (3) of rectangle, arranges side by side between the heat supply outer tube (3); Heat supply outer tube (3) outer end is through outer channel closure closure plate (8) shutoff of heat supply; Correspondence has a notch (9) on the adjacent tube wall of a common end of two adjacent heat supply outer tubes (3), and correspondence has another notch (9) on the adjacent tube wall of another common ends of next adjacent heat supply outer tube (3); Heat supply outer tube (3) is communicated with through notch (9); Be provided with running water endothermic tube (4) in the heat supply outer tube (3), be communicated with through running water communicating pipe (6) between the running water endothermic tube (4); Running water communicating pipe (6) is passed notch (9); The inlet side of running water endothermic tube (4) connects running water inlet (10); The end that goes out of running water endothermic tube (4) connects running water outlet (2); The inlet side of heat supply outer tube connects heating installation import (1); The end that goes out of heat supply outer tube connects heating outlet (11), it is characterized in that: partly or entirely be provided with pipe (5) in the heat supply in running water endothermic tube (4) pipe, pipe (5) communicates with the cavity of heat supply outer tube (3) in the heat supply.
2. rectangle heating tube binary channels heat transfer heat exchanger according to claim 1, it is characterized in that: described running water endothermic tube (4) is a straight tube; Described running water communicating pipe (6) is a straight tube; Pipe (5) is a straight tube in the described heat supply.
3. rectangle heating tube binary channels heat transfer heat exchanger according to claim 1; It is characterized in that: be fixedly connected with connectedness (13) between the notch (9) that wherein a part of adjacent heat supply outer tube (3) is opened, be communicated with through connectedness (13) between the two adjacent heat supply outer tubes (3); And be fixedly connected with support member (14) between connectedness (13) the corresponding other end heat supply outer tube (3); Leave bar shaped installing hole (12) between its adjacent heat supply outer tube (3).
4. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers, it is characterized in that: said heat supply outer tube (3) one side outer ends more than two are by outer channel closure closure plate (8) shutoff of a heat supply; Perhaps each heat supply outer tube (3) is by outer channel closure closure plate (8) shutoff of a heat supply; Perhaps two adjacent heat supply outer tubes (3) common ends correspondence has notch (9), and the limit of otch place two adjacent heating tubes (3) is pinched side weld and connect, and its common ends outside is by outer channel closure closure plate (8) shutoff of a heat supply; Perhaps two adjacent heating tubes (3) respectively correspondence have notch (9), and be communicated with through connectedness (13) between the two heat supply outer tubes (3), its heat supply outer tube (3), connectedness (13) one side outer ends are by outer channel closure closure plate (8) shutoff of a heat supply.
5. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers; It is characterized in that: the outer channel closure closure plate (8) of described heat supply is outwards or to in-flanges; Be embedded in one or two and above heat supply outer tube (3) one side ports, the flange of the outer channel closure closure plate (8) of heat supply is with heat supply outer tube (3) port limit and connect, the bilateral alignment pinch side weld and connect in succession.
6. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers; It is characterized in that: be inlaid with running water endothermic tube end socket closure plate (7) in the port of described running water endothermic tube (4); Running water endothermic tube end socket closure plate (7) is towards porose, punching in-flanges or flanging; Running water endothermic tube end socket closure plate (7) flanging or in-flanges, the flange of running water endothermic tube end socket closure plate (7) is with running water endothermic tube (4) port limit and connect, the bilateral alignment pinch side weld and connect in succession; In the in-flanges of running water endothermic tube end socket closure plate (7) punching or flanging and the heat supply port limit of pipe (5) and connect, the bilateral alignment pinch side weld and connect in succession.
7. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers, it is characterized in that: described heating installation import (1) and running water outlet (2) are arranged on the same end of heat exchanger the same side; Described heating outlet (11) and running water inlet (10) are arranged on another same end of heat exchanger the same side.
8. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers; It is characterized in that: two adjacent running water endothermic tube (4) termination correspondences cut into 45; Running water communicating pipe, (6) two ends correspondence cut into 45, and running water communicating pipe (6), butt welding was logical in succession at an angle of 90 with running water endothermic tube (4).
9. according to claim 1,2 or 3 described rectangle heating tube binary channels heat transfer heat exchangers, it is characterized in that: pipe (5), running water endothermic tube (4), running water communicating pipe (6), the outer channel closure (8) of heat supply, running water endothermic tube end socket closure plate (7) are made for stainless steel material in described heat supply outer tube (3), the heat supply; Described running water endothermic tube (4) one ends are held into bend pipe, are docked and connected at the other end.
10. technology of making claim 1,2,3,4,5,6,7 or 9 said rectangle heating tube binary channels heat transfer heat exchangers is characterized in that:
(1) pipe single face on a termination tube wall on the longitudinal section in limit, rectangle heat supply outer tube both sides is washed notch 38 * 45mm open; Long 12～15mm lets the hair grow in another termination; It is 1.5～2mm that the corresponding surface below dashes the inside stretchable holes of circle aperture limit height; Running water inlet, running water outlet screw thread silk head are installed, the outer channel closure closure plate of heat supply are installed, on the outer channel closure closure plate of heat supply heating installation import and export pipe screw joint is installed with the termination; Other adjacent rectangle heat supply outer tube single face on a termination tube wall on the longitudinal section is washed notch open; Wash notch open on another corresponding surface below, termination tube wall; The tube wall of the same otch end of two adjacent heat supply outer tubes is arranged side by side; Pinch side weld at rectangle outer tube port and connect otch two tube walls, institute's otch forms rectangle heat supply outer tube circulation canal;
(2) limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow; The inside stretchable holes of one termination single face punching limit height is 1.0～1.5mm; Corresponding surface below in termination is towards aperture in addition; The inside stretchable holes of two corresponding apertures limit height 1.0～1.5mm, a termination is connected with running water import and export gas thread silk head, and in addition termination and the running water direct-connected siphunculus that absorbs heat is communicated with; 7～10mm place single face the punching of letting the hair grow of other running water endothermic tube two ends; Termination corresponding surface below punching in addition; The inside stretchable holes of two corresponding apertures limit height is 1.0～1.5mm; Running water absorbs heat direct-connected siphunculus according to running water endothermic tube stretching aperture and height two ends end face R angle, stretchable holes limit crop; Absorb heat direct-connected siphunculus of running water inserts in the running water endothermic tube end face stretchable holes, and running water bilateral alignment the in direct-connected siphunculus crop limit and running water endothermic tube stretchable holes limit of absorbing heat coincide consistently, and argon arc welding is pinched the limit self-dissolving and welded connection in the running water endothermic tube mouth of pipe;
Perhaps; Limit, running water endothermic tube both sides pipe cuts 45 according to pipe diameter two ends to opposite direction, and a termination is connected with running water import and export gas thread silk head, and other termination and the running water direct-connected siphunculus that absorbs heat is communicated with; Other running water endothermic tube two ends cuts into 45 to opposite direction; The two ends corresponding surface all is exterior angles, and running water absorbs heat direct-connected siphunculus according to the equidirectional 45 that all inwardly cuts into of running water endothermic tube pipe diameter two ends, and is logical in succession with the butt welding of running water endothermic tube; Seal of tube welding is communicated with in running water absorbs heat the end punching insertion heat supply of direct-connected siphunculus exterior angle, and the pipe two-port communicates with the otch cavity in the heat supply; Described running water endothermic tube also can be held into bend pipe, is docked and connected at the other end;
Running water endothermic tube port end socket closure plate outward flanging 3～5mm; Be embedded in the running water endothermic tube port, shutoff edges of boards and running water endothermic tube mouth of pipe limit be bilateral aligns, coincide and consistently pinch the limit from molten face bonding method argon arc welding girth welding connection around the running water endothermic tube mouth of pipe;
(3) running water endothermic tube end socket closure plate dashes has centre bore; Centre bore is to the limit 3～5mm that turns up; With insert the running water endothermic tube in heat supply in the bilateral pipe mouth of pipe that aligns in heat supply in the mouth of pipe limit of managing pinch the side ring seam welding and be connected, the two-port of managing in the heat supply communicates with otch cavity case;
(4) rectangle heat supply outer tube two ends end socket closure plate outward flanging 1.5～2mm is high, and no gap is embedded in the rectangle heat supply outer tube port, and rectangle outer tube mouth of pipe limit is identical consistent with the limit close-fitting of end socket closure plate, and bilateral alignment is pinched the limit from molten downhand welding method vertical masonry joint welding.
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| CN2012101513617A CN102636053A (en) | 2012-05-16 | 2012-05-16 | Dual-channel heat transmission heat exchanger with rectangular heating pipe and manufacturing process thereof |
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| CN103851936A (en) * | 2013-11-26 | 2014-06-11 | 张伟 | Heater multi-pipe heat conducting type shell-tube water storage bearing heat interchanger and manufacturing technology thereof |
| CN104930884A (en) * | 2015-07-03 | 2015-09-23 | 张伟 | Box-type heat exchanger formed by arranging and combining of multiple plates |
| CN105180439A (en) * | 2015-08-31 | 2015-12-23 | 侯梦斌 | Long pipe type hot processing device and process |
| CN105547012A (en) * | 2016-02-20 | 2016-05-04 | 枣庄利能热水器厂 | Heat exchanger realizing pipe communication of heating pipes |
| CN110958814A (en) * | 2019-12-09 | 2020-04-03 | 华南理工大学 | Flexible phase-change heat transfer cooler for server |
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Application publication date: 20120815 |