CN102564171B - Heat-transfer heat exchanger with double-channel heat supply pipes and production process of heat-transfer heat exchanger with double-channel heat supply pipes - Google Patents
Heat-transfer heat exchanger with double-channel heat supply pipes and production process of heat-transfer heat exchanger with double-channel heat supply pipes Download PDFInfo
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- CN102564171B CN102564171B CN201210006774.6A CN201210006774A CN102564171B CN 102564171 B CN102564171 B CN 102564171B CN 201210006774 A CN201210006774 A CN 201210006774A CN 102564171 B CN102564171 B CN 102564171B
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Abstract
The invention relates to a heat-transfer heat exchanger with double-channel heat supply pipes and a production process of the heat-transfer heat exchanger with the double-channel heat supply pipes. The heat-transfer heat exchanger comprises two or more outer heat supply pipes. An outer heat supply pipe seal is fixedly connected to the end of each outer heat supply pipe, a tap water heat absorption pipe is arranged in each outer heat supply pipe, the heat supply pipes are communicated with one another through heat supply pipe communication pipes, and the tap water heat absorption pipe are communicated with one another through water tap communication pipes. A hot air inlet and a hot air outlet are fixedly communicated with an inlet end and an outlet end of the outer heat supply pipes respectively, a tap water inlet and a tap water outlet are fixedly communicated with an inlet end and an outlet end of the tap water heat absorption pipes respectively, part or all of tap water heat absorption pipes are provided with inner heat supply pipes which are communicated with cavities of the outer heat supply pipes. By means of double-channel reverse-flow type convective heat transfer with the inner and outer heat supply pipes, heat transfer area is widened, heat transfer efficiency is improved, and hot water at a temperature higher than 38 DEG C can be outputted continuously for a long time without stopping. The heat-transfer heat exchanger with the double-channel heat supply pipes belongs to updated products.
Description
Technical field
The present invention designs a kind of being arranged on Home Heating pipeline, and the heat radiation heating exchange hydrophone of the running water bathing of interchangeable heat-obtaining again that can heat, is specifically related to a kind of heating tube binary channels heat transfer heat exchanger and manufacture craft thereof.
Background technology
The applicant applies on February 5th, 2005, Granted publication day, on April 5th, 2006 patent No.: 200520080431.X, Granted publication CN2769815Y, utility model title " pipe heat exchanger ", application on March 17th, 2005, Granted publication day: on May 24th, 2006, the patent No. 200520081141.7, Granted publication CN2783244Y, utility model title: " counter-flow heat exchanger ".In the commodity of market circulation at present, prior art and patented product are divided into two kinds, and housing is heating pad passage, inner tube is cold water channel, a kind of inner disc copper pipe 15～25M adverse current or mixed-flow, and another kind is large cavity case tube sheet storage-type, through market subscriber checking, facts have proved and have obviously deficiency.Heat transfer area is little, and weak effect is impracticable.Copper pipe is that cold fluid produces incrustation scale, can not clean with acid, and use cost is high.Storage-type housing is large, waste raw material, and the defects such as area is large take up room.
Household radiator conversion water heater, has the history of nearly 15 years, and prior art and former patented technology " hot Bao Leng " exist great technical barrier, unresolved.Circle or rectangular tube cold fluid pass, the coolant-temperature gage at circular hollow section or circle R center, rectangular tube cross section is always in low temperature state, and center water column can not get absorbing the technical barrier of heat.The donut inside radius that some areas are equal as circular pipe should be divided into is R, then along the coolant-temperature gage of or two, many mutually perpendicular diameter measurements, outer toroid coolant-temperature gage apart from R radius contact hot fluid wall is farthest the highest, circle R center coolant-temperature gage is minimum, cause heat conduction uneven, heat loss is large, and heat exchange efficiency is low.
Summary of the invention
The present invention overcomes existing and patented product technological deficiency, provides a kind of heating tube binary channels heat-transfer pipe to be communicated with heat exchanger, and particularly a kind of stainless steel heating tube binary channels is conducted heat, pipe is communicated with, pinch side weld heat exchanger and manufacture craft thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of heating tube binary channels heat transfer heat exchanger, comprise two and two above heat supply outer tubes, the termination of heat supply outer tube is fixedly connected with the outer channel closure of heat supply, in heat supply outer tube, be provided with running water endothermic tube, between heat supply outer tube, by heating tube communicating pipe, be communicated with, between running water endothermic tube, by running water communicating pipe, be communicated with; Heating installation import and heating outlet are fixedly communicated with going out to hold with the inlet side of heat supply outer tube respectively, and running water inlet and running water outlet are fixedly communicated with going out to hold with the inlet side of running water endothermic tube respectively; It is characterized in that: partly or entirely in running water endothermic tube, be provided with heat supply inner tube, heat supply inner tube is communicated with the cavity of heat supply outer tube.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: described heating tube is provided with described running water communicating pipe accordingly in communicating pipe; Described heating tube communicating pipe is straight tube; Described running water communicating pipe is straight tube; Described heat supply inner tube is straight tube.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: the outer channel closure of described heat supply outwards or to in-flanges, is embedded in heat supply outer tube port, and the flange of the outer channel closure of heat supply is with heat supply outer tube port limit and connect, bilateral alignment pinch limit and be welded to connect.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: the outer channel closure of described heat supply is outer convex end socket, and limit is outwards or to in-flanges; Or be indent arc end socket, limit is outwards or to in-flanges; Or plate shaped outwards or to in-flanges; Or outwards, inwardly boss shape outwards or to in-flanges.
According to described heating tube binary channels heat transfer heat exchanger, it is characterized in that: described heat supply outer tube wall rushes porose and in-flanges, insert heating tube communicating pipe in the punching of heat supply outer tube, the in-flanges of heating tube communicating pipe port limit and the punching of heat supply outer tube and connect, bilateral alignment pinch limit and be welded to connect.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: in the port of described running water endothermic tube, be inlaid with plugging plate, the centre punch of plugging plate is porose, plugging plate flanging or in-flanges, punching in-flanges or flanging; The flange of plugging plate is with running water endothermic tube port limit and connect, bilateral alignment pinch limit and be welded to connect; The port limit of the in-flanges of plugging plate punching or flanging and heat supply inner tube and connect, bilateral alignment pinch limit and be welded to connect.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: described heating tube communicating pipe design is in one end of two adjacent heat supply outer tubes, and adjacent next heating tube communicating pipe design is at the other end of two adjacent heat supply outer tubes; Between two described adjacent heat supply outer tubes, the other end corresponding with heating tube communicating pipe is fixedly connected with support member; Described heating installation import and running water outlet are arranged on same one end of heat exchanger the same side; Described heating outlet and running water inlet are arranged on another same one end of heat exchanger the same side.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: between two adjacent heat supply outer tube terminations by being communicated with its heating tube communicating pipe at an angle of 90; Between two adjacent running water endothermic tube terminations by being communicated with its running water communicating pipe at an angle of 90.
Heating tube binary channels heat transfer heat exchanger according to described, is characterized in that: described heat supply outer tube, the outer channel closure of heat supply, heating tube communicating pipe, running water endothermic tube, plugging plate, heat supply inner tube are that stainless steel material is made.
A kind of technique of making described heating tube binary channels heat transfer heat exchanger, it is characterized in that: limit, heat supply outer tube both sides pipe two ends is let the hair grow and grown 12～15mm place, single-sided punching is 1.5～2.5mm to in-draw limit height, it is 1.5～2.0mm to in-draw limit height that an another end corresponding surface below rushes aperture, and running water import and export gas thread silk head is installed, heating installation import and export jiont treatment is on the pipe running water import and export end end socket of both sides, other heat supply outer tube two ends is let the hair grow and is grown 12～15mm place single-sided punching, an another end corresponding surface below punching, and two corresponding apertures are 1.5～2.5mm to in-draw limit height, the direct-connected siphunculus of heating tube is according to heat supply outer tube stretching aperture and stretching limit height, two ends end face R arc angle crop, the direct-connected siphunculus gapless of heating tube embeds in heat supply outer tube stretchable holes, and the identical bilateral alignment of tube wall face R arc angle is consistent, pinches limit and connect from molten downhand welding method in the mouth of pipe, limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow, single-sided punching is 1.0～1.5mm to in-draw limit height, another corresponding surface below, termination rushes aperture to the high 1.0～1.5mm of in-flanges, pass in and out with running water, mouth gas thread silk head connects, other running water endothermic tube two ends 7～10 mm place single-sided punchings of letting the hair grow, an another end corresponding surface below punching, two corresponding apertures are 1.0～1.5mm to in-draw limit height, running water endothermic tube is communicated with straight tube according to running water endothermic tube stretching aperture and stretching limit height, two ends end face R arc angle crop, running water heat absorption is communicated with straight tube gapless and embeds in running water endothermic tube stretchable holes, the identical bilateral alignment of tube wall face R arc angle is consistent, in the running water endothermic tube mouth of pipe, pinching limit connects from molten downhand welding method, running water endothermic tube two-port end socket closure plate is high according to running water endothermic tube spout diameter outward flanging 3～5mm, is embedded in running water endothermic tube port, and the bilateral alignment of tube wall face coincide consistent, pinches limit connect from molten downhand welding method around the mouth of pipe, the punching of running water endothermic tube end socket closure plate has centre bore to the high limit of upper overturning 3～5mm, heat supply inner tube is inserted in running water endothermic tube, stretch out the outer 3～5mm of running water endothermic tube end socket closure plate, form the two partitions of hot fluid duplicate rows passage, reverse-flow convection heat transfer' heat-transfer by convection, increase heat transfer area, heat supply inner tube and running water endothermic tube end socket closure plate are tightly connected, end socket closure plate outward flanging 3～5mm is high at heat supply outer tube two ends, and gapless is embedded in heating tube outer tube port, and the identical bilateral alignment of two weldment walls is pinched limit from molten downhand welding method girth welding.
Beneficial effect of the present invention:
1, in order to solve this great technical barrier, through repetition test, take to install stainless steel heat supply inner tube in cold fluid endothermic tube, stainless steel is hot good conductor, stainless rate of heat transfer > water, greatly increase cold and hot two kinds of fluid thermal in unit volume and exchanged needed heat transfer area, increase heat transfer area, dwindle heating radius, hot fluid passes in the intrafascicular adverse current of cold fluid cylindrical tube, and liberated heat should equal the resulting heat of cold fluid, and cold fluid is annular channel flow, more increase turbulent extent, accelerate rate of heat transfer.Heat transfer area in unit volume is about 2 times of former patent heat exchanger, and the thermal efficiency is high.
The invention solves heating exchange hydrophone hot fluid at certain pressure temperature, in the situation of certain flow rate, turbulent extent does not affect by the low temperature flow state of thermal conductor central cylindrical, stainless steel heat supply inner tube is installed in cold fluid endothermic tube, impel hot-fluid physical efficiency to be absorbed into and be down 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 object, the demand that water for bathing temperature long-time continuous output hot water continues to flow.
2, running water endothermic tube of the present invention and heat supply outer tube, heat supply inner tube etc. all adopt stainless steel material, and stainless steel tube corrosion resistance is good durable prolongs life, and well, copper material cost is high for the thinner heat transfer of tube wall, and stainless steel is better than other material.Can exchange again pure hot water clearly from the beginning can have a bath, live practical etc.The smooth fluid flow resistance of stainless steel tube tube wall is little, and incrustation scale is difficult to absorption, extends incrustation scale adsorption time, even if produce micro-incrustation scale, also can acid filling clean, small product size is little, stainless steel tube tube wall is thinner, is convenient to punching, stretching, flange, inlays and pinch limit and weld well, low cost of manufacture.Cool water heating cavity is narrow, and the little side weld method of pinching of cold fluid heating static pressure is water-tight.
3, the change generation by structure brings new technique effect, increases heat transfer area in unit volume, improves heat-transfer area structure heat supply outer tube and can adopt screw thread emboss pipe, bellows etc. more to increase the tt surface area conducting heat.In running water endothermic tube cavity, increase heat supply inner pipe passway and form two partition convection heat transfer' heat-transfer by convection, form the pure adverse current of hot fluid duplicate rows passage and increase MTD, improve heat conduction.Running water is heated in the process of flowing through, and high efficient heat exchanging is without the temperature difference, and long-time continuous output hot water continues to flow.Solved the too low state of prior art cold fluid pass circle R central temperature, cold fluid center can not get absorbing heat or the slow defect of heat conduction.Heat conduction is uneven, the technical barrier that heat loss is large.The low temperature layer of cold fluid tube hub circle of the present invention penetrates cold flow layer through flow of heated fluid through heat conduction and obtains cmpletely heat absorption, accelerates heat conduction speed, has promoted the heat transfer effect of twice.
4, all welded seam joints, take punching, stretching, flange, inlay wall and connect two edge alignment to coincide consistent.Pinch limit from molten downhand welding method welding technology; reduced the thinner welding difficulty of stainless steel tube tube sheet wall; weldering speed is fast, economize welding wire, be shaped, weld seam is attractive in appearance; double-walled contact is pinched side weld penetration power and is formed by force one side welding with back formation welding bead; weld strength is large, 2 times of compression resistances are strong, pinches the water-tight advantage of guaranteeing that heat exchanger security is used of side weld welding seam.
5, heating supply pipe is communicated with all weld seams, welding bead does not soak because pinching side weld welding seam inside and outside wall.The all weld seam welding beads of cold water channel do not soak because 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, reduce Product jointing weld seam, fatigue life, without the life-span of leaking long.
6, to solve the housing volume of prior art shell cold fluid pass large in the present invention, storage-type infrastructure cost is high, the defect of weak effect, solved cold fluid cavity large, water storage adds the defect that thermal expansion force great Yi leaks, and output is the shell defect that cold scattering gas can not use as radiator that cools off during hot water.Shell of the present invention be heating pad passage can obtain hot water from the beginning again can be as radiator, inner tube produces incrustation scale energy acid filling and cleans, life of product is long.Having solved internal channel is the defects such as zone of heat liberation fluid resistance is large, affects water circulation heat exchange radiating effect poor etc.
7, for thermal communication straight tube caliber, be less than 1.4～1.7 times of heating tube calibers, running water heat absorption is less than 1.3 times of running water endothermic tubes communicating pipe.Two fluids are flowed through and are located to form turbulence stirring fluidized bed communicating pipe, destroy the effect of viscous flow bottom, form the MTD that hot fluid duplicate rows passage adverse current can be larger, and the cyclic balance heat absorption of going round and beginning again, reduces thermograde efficiency high.
The present invention brings new technique effect by the change generation of structure, takes the reverse-flow convection heat transfer' heat-transfer by convection of heat supply inner and outer pipes duplicate rows passage, has increased heat transfer area, improves heat transfer efficiency, exports for a long time 38 ° of above hot water and successively flows.The invention belongs to renewal product.
Accompanying drawing explanation
Fig. 1 is profile schematic diagram of the present invention.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the schematic diagram of the amplification of Fig. 2.
Fig. 4 is the partial enlarged drawing of I in Fig. 2 or Fig. 3.
Fig. 5 is another kind of example structure schematic diagram.
In accompanying drawing: 1, heating installation import; 2, the outer channel closure of heat supply; 3, running water outlet; 4, heat supply outer tube; 5, heating tube communicating pipe; 6, support member; 7, running water inlet; 8, heating outlet; 9, running water endothermic tube; 10, running water communicating pipe; 11, plugging plate; 12, heat supply inner tube.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Heating tube binary channels heat transfer heat exchanger of the present invention as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, comprise two and two above heat supply outer tubes 4, the termination of heat supply outer tube 4 is fixedly connected with the outer channel closure 2 of heat supply, in heat supply outer tube 4, be provided with running water endothermic tube 9, between heat supply outer tube 4, by heating tube communicating pipe 5, be communicated with, between running water endothermic tube 9, by running water communicating pipe 10, be communicated with; Heating installation import 1 and heating outlet 8 are fixedly communicated with going out to hold with the inlet side of heat supply outer tube 4 respectively, and running water inlet 7 and running water outlet 3 are fixedly communicated with going out to hold with the inlet side of running water endothermic tube 9 respectively; It is characterized in that: partly or entirely in running water endothermic tube 9, be provided with heat supply inner tube 12, heat supply inner tube 12 is communicated with the cavity of heat supply outer tube 4.
In heating tube communicating pipe 5, be provided with accordingly described running water communicating pipe 10; Described heating tube communicating pipe 5 is straight tube; Described running water communicating pipe 10 is straight tube; Described heat supply inner tube 12 is straight tube.
The outer channel closure 2 of heat supply outwards or to in-flanges, is embedded in heat supply outer tube 4 ports, and the flange of the outer channel closure 2 of heat supply is with heat supply outer tube 4 port limits and connect, bilateral alignment pinch limit and be welded to connect.
The outer channel closure 2 of heat supply be outer convex end socket, and limit is outside or to in-flanges; Or be indent arc end socket, limit is outwards or to in-flanges; Or plate shaped outwards or to in-flanges; Or outwards, inwardly boss shape outwards or to in-flanges.
Heat supply outer tube 4 tube walls rush porose and in-flanges, insert heating tube communicating pipes 5 in 4 punchings of heat supply outer tube, heating tube communicating pipes 5 port limit with the in-flanges of heat supply outer tube 4 punchings and connect, bilateral alignment pinch limit and be welded to connect.
In the port of running water endothermic tube 9, be inlaid with plugging plate 11, the centre punch of plugging plate 13 is porose, plugging plate 13 flangings or in-flanges, punching in-flanges or flanging; The flange of plugging plate 11 is with running water endothermic tube 9 port limits and connect, bilateral alignment pinch limit and be welded to connect; The port limit of the in-flanges of plugging plate punching or flanging and heat supply inner tube 12 and connect, bilateral alignment pinch limit and be welded to connect.
Heating tube communicating pipes 5 design is in one end of two adjacent heat supply outer tubes 4, and adjacent design of next heating tube communicating pipes 5 is at the other end of two adjacent heat supply outer tubes 4; Between two described adjacent heat supply outer tubes 4, the other end corresponding with heating tube communicating pipe 5 is fixedly connected with support member 6; Described heating installation import 1 and running water outlet 3 are arranged on same one end of heat exchanger the same side; Described heating outlet 8 and running water inlet 7 are arranged on another same one end of heat exchanger the same side.
As shown in Figure 5, between heat supply outer tube 4 terminations that the present invention two is adjacent by being communicated with its heating tube communicating pipe 5 at an angle of 90; Between two adjacent running water endothermic tube 9 terminations by being communicated with its running water communicating pipe 10 at an angle of 90.
The outer channel closure 2 of heat supply outer tube 4 of the present invention, heat supply, heating tube communicating pipe 5, running water endothermic tube 9, plugging plate 11, heat supply inner tube 12 etc. are made for stainless steel material.
In the present invention, in heat supply outer tube 4, be heating installation outer tunnel, logical heating installation water; In heat supply inner tube 12, be heating installation internal channel, logical heating installation water; The interior logical running water of running water endothermic tube 9.
Manufacture craft of the present invention:
1, limit, heat supply outer tube both sides pipe two ends long 12～15mm place of letting the hair grow, single-sided punching is 1.5～2.5mm to in-draw limit height, it is 1.5～2.0mm to in-draw limit height that an another end corresponding surface below rushes aperture, installation running water inlet/outlet pipe screw thread silk head.Heating installation inlet-outlet connector is arranged on the pipe running water entrance end end socket of both sides.Other heat supply outer tube two ends is let the hair grow and is grown 12～15mm place single-sided punching, an another end corresponding surface below punching, two corresponding apertures are 1.5～2.5mm to in-draw limit height, the direct-connected siphunculus of heating tube is according to heating tube stretching aperture and stretching limit height, two ends end face R arc angle crop, the direct-connected siphunculus gapless of heating tube embeds in heat supply outer tube stretchable holes, and the identical bilateral alignment of tube wall face R arc angle is consistent, pinches limit and connect from molten downhand welding method in the mouth of pipe.
2, limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow, single-sided punching is 1.0～1.5mm to in-draw limit height, another corresponding surface below, termination rushes aperture to the high 1.0～1.5mm of in-flanges, be connected with running water inlet/outlet pipe screw thread silk head, other running water endothermic tube two ends 7～10 mm place single-sided punchings of letting the hair grow, an another end corresponding surface below punching, two corresponding apertures are 1.0～1.5mm to in-draw limit height, running water endothermic tube is communicated with straight tube according to running water endothermic tube stretching aperture and stretching limit height, two ends end face R arc angle crop, running water heat absorption is communicated with straight tube gapless and embeds in running water endothermic tube stretchable holes, the identical bilateral alignment of tube wall face R arc angle is consistent, in the running water endothermic tube mouth of pipe, pinching limit connects from molten downhand welding method.Running water endothermic tube two-port end socket closure plate is high according to running water endothermic tube spout diameter outward flanging 3～5mm, is embedded in running water endothermic tube port, and the bilateral alignment of tube wall face coincide consistent, pinches limit connect from molten downhand welding method circumferential weld around the mouth of pipe.
The punching of running water endothermic tube end socket closure plate has centre bore to the high limit of upper overturning 3～5mm, heat supply inner tube straight tube inserts in running water endothermic tube, improve the structural compactness of heat exchanger, formed the two partitions of hot fluid, duplicate rows passage, reverse-flow convection heat transfer' heat-transfer by convection, increased heat transfer area; Stretch out the outer 3～5mm of running water endothermic tube end socket closure plate.Heat supply inner tube and running water endothermic tube end socket closure plate are tightly connected, and through stress test, running water endothermic tube passage ne-leakage is qualified.Whole connection of running water endothermic tube is movable, thermal expansion energy free-extension.Enhance fluid less turbulence, strengthens flow velocity, and the internal layer thickness that reduces to remain in a standstill in heat transfer boundary layer, improves convective heat-transfer coefficient, reduces the resistance of convection heat transfer' heat-transfer by convection.
3, heat supply outer tube two ends end socket closure plate outward flanging 3～5mm is high, and gapless is embedded in heating tube outer tube port, and the identical bilateral alignment of two weldment walls is pinched limit from molten downhand welding method girth welding, is qualified again through stress test ne-leakage.
Claims (1)
1. the manufacture craft of a heating tube binary channels heat transfer heat exchanger, it is characterized in that: limit, heat supply outer tube both sides pipe two ends is let the hair grow and grown 12～15mm place, one termination single-sided punching is 1.5～2.5mm to in-draw limit height, it is 1.5～2.0mm to in-draw limit height that another corresponding surface below, termination rushes aperture, and running water import and export gas thread silk head is installed, heating installation import and export jiont treatment is on the pipe running water import and export end end socket of both sides, other heat supply outer tube two ends is let the hair grow and is grown 12～15mm place single-sided punching, termination punching below another termination corresponding surface, and two corresponding apertures are 1.5～2.5mm to in-draw limit height, straight heating tube communicating pipe is according to heat supply outer tube stretching aperture and stretching limit height, two ends end face R arc angle crop, straight heating tube communicating pipe gapless embeds in heat supply outer tube stretchable holes, and the identical bilateral alignment of tube wall face R arc angle is consistent, pinches limit and connect from molten downhand welding method in the mouth of pipe, limit, running water endothermic tube both sides pipe two ends 7～10mm place of letting the hair grow, one termination single-sided punching is 1.0～1.5mm to in-draw limit height, another corresponding surface below, termination rushes aperture to the high 1.0～1.5mm of in-flanges, pass in and out with running water, mouth gas thread silk head connects, other running water endothermic tube two ends 7～10 mm place single-sided punchings of letting the hair grow, another termination corresponding surface below punching, two corresponding apertures are 1.0～1.5mm to in-draw limit height, straight running water communicating pipe is according to running water endothermic tube stretching aperture and stretching limit height, two ends end face R arc angle crop, straight running water communicating pipe gapless embeds in running water endothermic tube stretchable holes, the identical bilateral alignment of tube wall face R arc angle is consistent, in the running water endothermic tube mouth of pipe, pinching limit connects from molten downhand welding method, running water endothermic tube two-port plugging plate is high according to running water endothermic tube spout diameter outward flanging 3～5mm, is embedded in running water endothermic tube port, and the bilateral alignment of tube wall face coincide consistent, pinches limit connect from molten downhand welding method around the mouth of pipe, the punching of running water endothermic tube plugging plate has centre bore to the high limit of upper overturning 3～5mm, heat supply inner tube is inserted in running water endothermic tube, stretch out the outer 3～5mm of running water endothermic tube plugging plate, form the two partitions of hot fluid duplicate rows passage, reverse-flow convection heat transfer' heat-transfer by convection, increase heat transfer area, heat supply inner tube and running water endothermic tube plugging plate are tightly connected, outer channel closure outward flanging 3～5mm is high for the two ends heat supply of heat supply outer tube, and gapless is embedded in heat supply outer tube port, and the identical bilateral alignment of two weldment walls is pinched limit from molten downhand welding method girth welding.
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| CN201210006774.6A CN102564171B (en) | 2012-01-11 | 2012-01-11 | Heat-transfer heat exchanger with double-channel heat supply pipes and production process of heat-transfer heat exchanger with double-channel heat supply pipes |
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| CN201210006774.6A CN102564171B (en) | 2012-01-11 | 2012-01-11 | Heat-transfer heat exchanger with double-channel heat supply pipes and production process of heat-transfer heat exchanger with double-channel heat supply pipes |
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| CN104235333A (en) * | 2013-10-30 | 2014-12-24 | 莱州市盛乐机械有限公司 | Air-cooling finned tubular radiator for lubricating oil of gear box |
| CN111632568B (en) * | 2020-05-24 | 2021-07-06 | 西安交通大学 | Controllable heating-heat regenerator for preparing nano powder by supercritical hydrothermal synthesis technology |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338713Y (en) * | 1998-09-27 | 1999-09-15 | 张力 | Heat-exchanger with tube of different sectional area |
| CN201021875Y (en) * | 2007-03-10 | 2008-02-13 | 张伟 | Dirty prevention backwash heat exchanger |
| CN202393268U (en) * | 2012-01-11 | 2012-08-22 | 张伟 | Two-channel heat transfer heat exchanger of heat supply pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175449A (en) * | 2007-01-18 | 2008-07-31 | Matsushita Electric Ind Co Ltd | Multiple pipe-type heat exchanger |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338713Y (en) * | 1998-09-27 | 1999-09-15 | 张力 | Heat-exchanger with tube of different sectional area |
| CN201021875Y (en) * | 2007-03-10 | 2008-02-13 | 张伟 | Dirty prevention backwash heat exchanger |
| CN202393268U (en) * | 2012-01-11 | 2012-08-22 | 张伟 | Two-channel heat transfer heat exchanger of heat supply pipe |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-175449A 2008.07.31 |
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