CN111426217A - Novel full-countercurrent spiral coaxial heat exchanger - Google Patents

Novel full-countercurrent spiral coaxial heat exchanger Download PDF

Info

Publication number
CN111426217A
CN111426217A CN202010419652.4A CN202010419652A CN111426217A CN 111426217 A CN111426217 A CN 111426217A CN 202010419652 A CN202010419652 A CN 202010419652A CN 111426217 A CN111426217 A CN 111426217A
Authority
CN
China
Prior art keywords
spiral
tube
pipeline
annular
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010419652.4A
Other languages
Chinese (zh)
Other versions
CN111426217B (en
Inventor
孙东德
李振东
李以则
谢能刚
王义葳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Dongneng Heat Exchange Equipment Co ltd
Original Assignee
Anhui Dongneng Heat Exchange Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Dongneng Heat Exchange Equipment Co ltd filed Critical Anhui Dongneng Heat Exchange Equipment Co ltd
Priority to CN202010419652.4A priority Critical patent/CN111426217B/en
Publication of CN111426217A publication Critical patent/CN111426217A/en
Application granted granted Critical
Publication of CN111426217B publication Critical patent/CN111426217B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/022Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of two or more media in heat-exchange relationship being helically coiled, the coils having a cylindrical configuration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/007Auxiliary supports for elements
    • F28F9/013Auxiliary supports for elements for tubes or tube-assemblies

Abstract

The invention discloses a novel full-countercurrent spiral coaxial heat exchanger, which belongs to the technical field of heat exchangers and comprises a shell and a heat exchange tube mechanism, wherein the heat exchange tube mechanism is arranged in the shell and comprises a vertical spiral tube, an annular spiral tube, an insertion tube and an insertion tube fixing piece, the vertical spiral tube and the annular spiral tube are coaxial and are mutually sleeved, the insertion tube is inserted into the middle parts of the vertical spiral tube and the annular spiral tube along the vertical direction and is coaxial with the vertical spiral tube and the annular spiral tube, and the insertion tube is fixedly arranged on the inner wall of the shell through the insertion tube fixing piece. The insertion tube is additionally arranged, so that the annular spiral tube and the vertical spiral tube can be fixed in the heat exchanger in a coaxial sleeved connection mode, and temperature control can be assisted; the pipe body that adopts along annular spiral to coil cup joints each other with perpendicular spiral pipe, increases heat transfer area, improves heat exchange efficiency, realizes the full adverse current.

Description

Novel full-countercurrent spiral coaxial heat exchanger
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a novel full-countercurrent spiral coaxial-body heat exchanger.
Background
The heat exchanger is an energy-saving device for realizing heat transfer between materials between two or more than two fluids with different temperatures, and the heat is transferred to the fluid with lower temperature from the fluid with higher temperature, wherein the dividing wall type heat exchanger is characterized in that the two fluids with different temperatures flow in a space separated by a wall surface, and heat exchange is carried out between the two fluids through heat conduction of the wall surface and convection of the fluid on the wall surface. The dividing wall type heat exchanger has shell-and-tube type, double-tube type and other types of heat exchangers, and is the most widely used heat exchanger at present.
Patent No. CN93224384.3 provides a total countercurrent flow heat pipe heat exchanger, which comprises a cylinder, wherein a partition board is arranged in the cylinder in the horizontal direction, the partition board partitions the cylinder into an upper cylinder and a lower cylinder, the partition board is provided with heat pipes in a spiral line, and a spiral flow director is respectively arranged in the upper cylinder and the lower cylinder along the spiral direction. The heat exchanger has the characteristics of compact structure, high heat exchange efficiency, simple manufacture and convenient installation, and can be applied to various pressures and media.
Patent No. is CN201520607577.9 provides a full adverse current double-pipe heat exchanger of vortex, including support, box, apron and heat transfer sleeve pipe, is equipped with the box on the support, is equipped with the apron on the box, is equipped with the heat transfer sleeve pipe in the box, the sheathed tube shape of heat transfer is the vortex cross-section circle, and the heat transfer sleeve pipe includes outer tube and a plurality of heat exchange tubes, the heat exchange tube comprises the parent tube and establishes a plurality of cover pieces on the parent tube, and all establishes in the outer tube, and the both ends of outer tube are connected with the heat exchange tube, and outer tube one end is equipped with the water side outlet pipe, and the other end is equipped with the water side import pipe, and heat exchange tube one end concatenates mutually with refrigerant side inlet pipe, and the other end concatenates mutually with refrigerant side outlet pipe. The heat exchanger has the advantages of simple structure, small volume, high heat exchange efficiency, convenient assembly, low manufacturing cost and convenient maintenance, and can be applied to different places. However, in the two patents, the spiral direction of the heat exchange tube is single, the heat exchange area is small, the heat exchange temperature cannot be complemented, and the heat exchange efficiency is low.
Disclosure of Invention
The invention aims to provide a novel full-countercurrent spiral coaxial heat exchanger, which is additionally provided with an insertion pipe, not only can be used for fixing an annular spiral pipe and a vertical spiral pipe in the heat exchanger in a coaxial sleeved connection mode, but also can be used for assisting in temperature control; the adoption along the body that annular spiral coiled cup joints each other with perpendicular spiral pipe, increases heat transfer area, improves heat exchange efficiency, realizes the complete adverse current to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel coaxial-body heat exchanger of full adverse current, spiral, includes shell and heat exchange tube mechanism, the internally mounted of shell has heat exchange tube mechanism, heat exchange tube mechanism includes perpendicular spiral pipe, annular spiral pipe, intubate and intubate mounting, perpendicular spiral pipe and the coaxial and mutual cup joint of annular spiral pipe, the intubate inserts perpendicular spiral pipe and annular spiral pipe middle part along the vertical direction, and coaxial with perpendicular spiral pipe and annular spiral pipe, the intubate passes through intubate mounting fixed mounting on the shell inner wall.
Further, the one end of perpendicular spiral pipe is connected with first pipeline, and series connection has first solenoid valve and first water pump on the first pipeline in proper order, and the other end of perpendicular spiral pipe is connected with the second pipeline, and series connection has the second solenoid valve on the second pipeline, and first pipeline and second pipeline all through the bolt fastening on the shell.
Further, the one end of annular spiral pipe is connected with the third pipeline, and series connection has third solenoid valve and second water pump in proper order on the third pipeline, and the other end of perpendicular spiral pipe is connected with the fourth pipeline, and series connection has the fourth solenoid valve on the fourth pipeline, and first pipeline and second pipeline all through the bolt fastening on the shell.
Further, the insertion pipe is one of a light plastic hollow pipe, a cold coal pipe or an electric heating rod.
Further, the annular spiral pipe is formed by winding a pipe body along the annular spiral.
Furthermore, the vertical spiral tube is composed of an outer spiral tube and an inner spiral tube, the outer spiral tube is sleeved outside the inner spiral tube, the outer spiral tube and the inner spiral tube are composed of a tube body, and the annular spiral tube is located between the outer spiral tube and the inner spiral tube.
Further, the vertical spiral pipe is formed by spirally winding a pipe body downwards along the vertical direction, and the vertical spiral pipe is positioned in the middle of the annular spiral pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the novel full-countercurrent spiral coaxial heat exchanger provided by the invention is additionally provided with the insertion pipe, the insertion pipe can be replaced by a refrigerant pipe or an electric heating rod according to different functions of the heat exchanger, a refrigerant is introduced into the refrigerant pipe to assist in refrigeration, the refrigeration efficiency is improved, or the electric heating rod is heated, the heat of heat exchange is increased, and the temperature of water flowing out of a water outlet of the heat exchanger is controlled by the electric heating rod, so that the annular spiral pipe and the vertical spiral pipe can be fixed inside the heat exchanger in a coaxially sleeved connection mode through the insertion pipe, and the temperature can be controlled in an auxiliary mode.
2. The novel full-countercurrent spiral coaxial heat exchanger has the advantages that the pipe body which is coiled along the annular spiral pipe and the vertical spiral pipe are mutually sleeved, the heat exchange area is large, water flows in the annular spiral pipe or the vertical spiral pipe and flows around the same axis, two eddy currents in different directions are formed, the heat exchange area is increased, the heat exchange efficiency is improved, and full-countercurrent is realized.
Drawings
Fig. 1 is an overall structural view of a full-counterflow spiral coaxial heat exchanger according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a vertical coil connection of a fully counterflow, spiral novel coaxial body heat exchanger according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of an insert tube structure of a full-counterflow spiral coaxial heat exchanger according to a first embodiment of the present invention;
FIG. 4 is a top view of a toroidal coil of a full counterflow, spiral novel coaxial body heat exchanger in accordance with a first embodiment of the present invention;
FIG. 5 is an assembled view of the vertical coil and the annular coil of the full counterflow, spiral novel coaxial body heat exchanger in accordance with one embodiment of the present invention;
FIG. 6 is an exploded view of the vertical coil and the annular coil of the full counterflow, spiral novel coaxial body heat exchanger according to one embodiment of the present invention;
fig. 7 is an assembled view of the vertical coil and the annular coil of the full counterflow, spiral novel coaxial body heat exchanger of example two of the present invention.
In the figure: 1. a housing; 2. a heat exchange tube mechanism; 21. a vertical spiral tube; 201. an outer spiral tube; 202. an inner spiral tube; 211. a first conduit; 212. a first solenoid valve; 213. a first water pump; 214. a second conduit; 215. a second solenoid valve; 22. an annular spiral tube; 221. a third pipeline; 222. a third electromagnetic valve; 223. a second water pump; 224. a fourth conduit; 225. a fourth solenoid valve; 23. inserting a tube; 24. a cannula fixing part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-4, a full adverse current, novel coaxial body heat exchanger of spiral, including shell 1 and heat exchange tube mechanism 2, the internally mounted of shell 1 has heat exchange tube mechanism 2, heat exchange tube mechanism 2 includes perpendicular spiral pipe 21, annular spiral pipe 22, intubate 23 and intubate mounting 24, perpendicular spiral pipe 21 and annular spiral pipe 22 are coaxial and cup joint each other, intubate 23 inserts perpendicular spiral pipe 21 and annular spiral pipe 22 middle part along the vertical direction, and coaxial with perpendicular spiral pipe 21 and annular spiral pipe 22, annular spiral pipe 22 is coiled by a body along annular spiral and is constituteed, intubate 23 passes through intubate mounting 24 fixed mounting on shell 1 inner wall, intubate 23 is the electric heat bar, be used for fixed perpendicular spiral pipe 21 and annular spiral pipe 22 mainly, need provide the high-heat when the heat exchanger, then insert the electric heat bar and carry out the heat and supply, controllable.
One end of the vertical spiral pipe 21 is connected with a first pipeline 211, the first pipeline 211 is sequentially connected with a first electromagnetic valve 212 and a first water pump 213 in series, the other end of the vertical spiral pipe 21 is connected with a second pipeline 214, the second pipeline 214 is connected with a second electromagnetic valve 215 in series, the first pipeline 211 and the second pipeline 214 are both fixed on the shell 1 through bolts, the first water pump 213 drives water flow to enter the vertical spiral pipe 21 from the first pipeline 211 and sequentially pass through the first water pump 213 and the first electromagnetic valve 212, the water flow spirally flows from the lower end to the upper end of the outer spiral pipe 201 until flowing into the outer spiral pipe 201, the water flow spirally flows from the upper end to the lower end of the outer spiral pipe 201, finally flows into the second pipeline 214 and passes through the second electromagnetic valve 215 to flow out from a port, the first water pump 213 and the second water pump 223 are one of a displacement pump, a plunger pump or a screw pump, and the rotation direction of a motor in the first water pump 213 or, the flow direction of the water flow in one of the vertical spiral pipe 21 and the annular spiral pipe 22 is vertical, and the full reverse flow of the water flow is realized.
One end of the annular spiral pipe 22 is connected with a third pipeline 221, the third pipeline 221 is sequentially connected with a third electromagnetic valve 222 and a second water pump 223 in series, the other end of the vertical spiral pipe 21 is connected with a fourth pipeline 224, the fourth pipeline 224 is connected with a fourth electromagnetic valve 225 in series, the first pipeline 211 and the second pipeline 214 are both fixed on the shell 1 through bolts, the second water pump 223 drives water flow to enter the annular spiral pipe 22 from the third pipeline 221 and sequentially pass through the second water pump 223 and the third electromagnetic valve 222, and finally the water flow enters the fourth pipeline 224 and passes through the fourth electromagnetic valve 225 to flow out from the port.
Referring to fig. 5-6, the vertical spiral tube 21 is composed of an outer spiral tube 201 and an inner spiral tube 202, the outer spiral tube 201 is sleeved outside the inner spiral tube 202, and the outer spiral tube 201 and the inner spiral tube are composed of a tube body, the annular spiral tube 22 is positioned between the outer spiral tube 201 and the inner spiral tube 202, the tube body wound along the annular spiral tube is sleeved with the vertical spiral tube 21, the heat exchange area is large, water flows in the annular spiral tube 22 or the vertical spiral tube 21 uniformly and along the same axis line as the center, two eddy currents in different directions are formed, the heat exchange area is increased, the heat exchange efficiency is improved, and full countercurrent is realized.
Example two
Referring to fig. 7, a novel full-countercurrent spiral coaxial heat exchanger comprises a shell 1 and a heat exchange tube mechanism 2, the heat exchange tube mechanism 2 is installed inside the shell 1, the heat exchange tube mechanism 2 comprises a vertical spiral tube 21, an annular spiral tube 22, an insertion tube 23 and an insertion tube fixing part 24, the vertical spiral tube 21 and the annular spiral tube 22 are coaxial and are sleeved with each other, the insertion tube 23 is inserted into the middle parts of the vertical spiral tube 21 and the annular spiral tube 22 along the vertical direction and is coaxial with the vertical spiral tube 21 and the annular spiral tube 22, the annular spiral tube 22 is formed by winding a tube body along the annular spiral, the insertion tube 23 is fixedly installed on the inner wall of the shell 1 through the insertion tube fixing part 24, the insertion tube 23 is a cold coal tube and is mainly used for fixing the vertical spiral tube 21 and the annular spiral tube 22, a refrigerant is introduced into the refrigerant tube, and (5) auxiliary cooling.
One end of the vertical spiral pipe 21 is connected with a first pipeline 211, a first electromagnetic valve 212 and a first water pump 213 are sequentially connected to the first pipeline 211 in series, the other end of the vertical spiral pipe 21 is connected with a second pipeline 214, a second electromagnetic valve 215 is connected to the second pipeline 214 in series, the first pipeline 211 and the second pipeline 214 are both fixed on the shell 1 through bolts, the first water pump 213 drives water flow to enter the vertical spiral pipe 21 from the first pipeline 211 and sequentially pass through the first water pump 213 and the first electromagnetic valve 212, and finally flow into the second pipeline 214 and flow out from a port through the second electromagnetic valve 215, the first water pump 213 and the second water pump 223 are all one of a displacement pump, a plunger pump or a screw pump, the rotation direction of a motor in the first water pump 213 or the second water pump 223 is changed, so that the flow direction of the water flow in one of the vertical spiral pipe 21 and the annular spiral pipe 22 is changed, and the full reverse flow of the water flow, perpendicular spiral pipe 21 is coiled by a body along the downward spiral of vertical direction and is constituteed, and perpendicular spiral pipe 21 is located annular spiral pipe 22 middle part, adopts the body that coils along annular spiral to cup joint each other with perpendicular spiral pipe 21, and heat transfer area is big, and the rivers flow for the center no matter at annular spiral pipe 22 or at the same axis of perpendicular spiral pipe 21 homogeneous, form the vortex of two not equidirectional, increase heat transfer area, improve heat exchange efficiency, realize the complete adverse current.
One end of the annular spiral pipe 22 is connected with a third pipeline 221, the third pipeline 221 is sequentially connected with a third electromagnetic valve 222 and a second water pump 223 in series, the other end of the vertical spiral pipe 21 is connected with a fourth pipeline 224, the fourth pipeline 224 is connected with a fourth electromagnetic valve 225 in series, the first pipeline 211 and the second pipeline 214 are both fixed on the shell 1 through bolts, the second water pump 223 drives water flow to enter the annular spiral pipe 22 from the third pipeline 221 and sequentially pass through the second water pump 223 and the third electromagnetic valve 222, and finally the water flow enters the fourth pipeline 224 and passes through the fourth electromagnetic valve 225 to flow out from the port.
In summary, the following steps: the intubation tube 23 is additionally arranged, the intubation tube 23 can be replaced by a refrigerant tube or an electric heating rod according to different functions of the heat exchanger, a refrigerant is introduced into the refrigerant tube for auxiliary refrigeration, the refrigeration efficiency is improved, or the electric heating rod is heated, the heat of heat exchange is increased, and the temperature of water flowing out of a water outlet of the heat exchanger is controlled through the electric heating rod, so that the intubation tube 23 can fix the annular spiral tube 22 and the vertical spiral tube 21 in the heat exchanger in a coaxially sleeved connection mode and can also assist in temperature control; the adoption along the body that annular spiral coiled and perpendicular spiral pipe 21 cup joint each other, heat transfer area is big, and the rivers flow for the center no matter at annular spiral pipe 22 or at perpendicular spiral pipe 21 homogeneous same axis, form the vortex of two not equidirectional, increase heat transfer area, improve heat exchange efficiency, realize the full adverse current.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims (7)

1. The utility model provides a novel coaxial heat exchanger of full adverse current, spiral, includes shell (1) and heat exchange tube mechanism (2), its characterized in that, the internally mounted of shell (1) has heat exchange tube mechanism (2), heat exchange tube mechanism (2) are including perpendicular spiral pipe (21), annular spiral pipe (22), intubate (23) and intubate mounting (24), perpendicular spiral pipe (21) and annular spiral pipe (22) are coaxial and cup joint each other, intubate (23) insert perpendicular spiral pipe (21) and annular spiral pipe (22) middle part along the vertical direction, and coaxial with perpendicular spiral pipe (21) and annular spiral pipe (22), intubate (23) are through intubate mounting (24) fixed mounting on shell (1) inner wall.
2. The full-countercurrent spiral novel coaxial body heat exchanger as claimed in claim 1, wherein one end of the vertical spiral tube (21) is connected with a first pipeline (211), a first electromagnetic valve (212) and a first water pump (213) are sequentially connected in series on the first pipeline (211), the other end of the vertical spiral tube (21) is connected with a second pipeline (214), a second electromagnetic valve (215) is connected in series on the second pipeline (214), and the first pipeline (211) and the second pipeline (214) are both fixed on the shell (1) through bolts.
3. The full-countercurrent spiral novel coaxial body heat exchanger as claimed in claim 1, wherein one end of the annular spiral pipe (22) is connected with a third pipeline (221), the third pipeline (221) is sequentially connected with a third electromagnetic valve (222) and a second water pump (223) in series, the other end of the vertical spiral pipe (21) is connected with a fourth pipeline (224), the fourth pipeline (224) is connected with a fourth electromagnetic valve (225) in series, and the first pipeline (211) and the second pipeline (214) are both fixed on the shell (1) through bolts.
4. The full counterflow, spiral new coaxial body heat exchanger of claim 1, wherein the insert tube (23) is one of a lightweight plastic hollow tube, a cold coal tube or an electric hot bar.
5. A full counterflow, spiral new coaxial shaft heat exchanger as claimed in claim 1, in which the annular spiral tube (22) is formed by a tube body wound in an annular spiral.
6. The full counterflow, spiral new coaxial shaft heat exchanger according to claim 1, wherein the vertical spiral tube (21) is composed of an outer spiral tube (201) and an inner spiral tube (202), the outer spiral tube (201) is sleeved outside the inner spiral tube (202), and both are composed of one tube body, and the annular spiral tube (22) is located between the outer spiral tube (201) and the inner spiral tube (202).
7. A full counterflow, spiral new coaxial shaft heat exchanger according to claim 1, in which the vertical coil (21) is formed by a tube spirally wound vertically downwards, the vertical coil (21) being located in the middle of the annular coil (22).
CN202010419652.4A 2020-05-18 2020-05-18 Novel full-countercurrent spiral coaxial heat exchanger Active CN111426217B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010419652.4A CN111426217B (en) 2020-05-18 2020-05-18 Novel full-countercurrent spiral coaxial heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010419652.4A CN111426217B (en) 2020-05-18 2020-05-18 Novel full-countercurrent spiral coaxial heat exchanger

Publications (2)

Publication Number Publication Date
CN111426217A true CN111426217A (en) 2020-07-17
CN111426217B CN111426217B (en) 2021-07-09

Family

ID=71551021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010419652.4A Active CN111426217B (en) 2020-05-18 2020-05-18 Novel full-countercurrent spiral coaxial heat exchanger

Country Status (1)

Country Link
CN (1) CN111426217B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20210459U1 (en) * 2002-07-05 2002-09-19 Elite Plus Int L Inc heat exchangers
CN2828707Y (en) * 2005-09-15 2006-10-18 葛建民 Combined vortex double-pipe heat exchanger
CN103115507A (en) * 2013-02-04 2013-05-22 方彦 Efficient drum type heat exchanger
CN207866045U (en) * 2018-01-24 2018-09-14 固安冰川制冷设备有限公司 Bundled tube double-tube heat exchanger pipeline structure part
CN208366121U (en) * 2018-05-30 2019-01-11 宏源地能热泵科技(中山)有限公司 A kind of heat exchanger that heat exchange efficiency is high
CN110411240A (en) * 2019-07-17 2019-11-05 扬州市职业大学(扬州市广播电视大学) A kind of screw shell heat-exhanger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20210459U1 (en) * 2002-07-05 2002-09-19 Elite Plus Int L Inc heat exchangers
CN2828707Y (en) * 2005-09-15 2006-10-18 葛建民 Combined vortex double-pipe heat exchanger
CN103115507A (en) * 2013-02-04 2013-05-22 方彦 Efficient drum type heat exchanger
CN207866045U (en) * 2018-01-24 2018-09-14 固安冰川制冷设备有限公司 Bundled tube double-tube heat exchanger pipeline structure part
CN208366121U (en) * 2018-05-30 2019-01-11 宏源地能热泵科技(中山)有限公司 A kind of heat exchanger that heat exchange efficiency is high
CN110411240A (en) * 2019-07-17 2019-11-05 扬州市职业大学(扬州市广播电视大学) A kind of screw shell heat-exhanger

Also Published As

Publication number Publication date
CN111426217B (en) 2021-07-09

Similar Documents

Publication Publication Date Title
US4462463A (en) Triple pass heat exchanger
CN101033922A (en) Pipeline type micro-channels heat exchanger
CN111426217B (en) Novel full-countercurrent spiral coaxial heat exchanger
CN2828706Y (en) Vortex double-pipe heat exchanger
CN200952831Y (en) Immediate heating electromagnetic water heater
CN101975520A (en) Elliptical continuous twisted tube coaxial heat exchanger
CN210321312U (en) Multi-pipe coiled heat exchanger
CN204388661U (en) A kind of efficient fixed coil heat exchanger
CN2510814Y (en) Heat exchanger
CN201837276U (en) Coaxial heat exchanger with elliptical twisting tube
CN201218673Y (en) Large refrigeration capacity water cooling module unit heat exchanger
CN2599503Y (en) Heat exchanger
CN202253952U (en) Water-heating radiator
CN211782892U (en) Heat exchanger
CN2893623Y (en) Water source energy-saving air conditioner
CN206094994U (en) Bushing type pre -heater
CN206145836U (en) Wearing formula air conditioner
CN205536709U (en) Double pipe condenser
CN201163087Y (en) Rotational flow feeding type electric water heater
CN201514020U (en) Overclocking/variable frequency electromagnetic induction electronic water boiler
CN2207559Y (en) Shaped heat transfer tube
CN210198144U (en) Bypass type spiral heat exchanger
CN219995961U (en) Novel external heat tracing type circular tube jacket
CN209484851U (en) A kind of water route improvement structure of cast aluminium heater
CN2257916Y (en) Hot water exchanger

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant