CN105180699B - Phase change heat accumulation type heat exchanger - Google Patents
Phase change heat accumulation type heat exchanger Download PDFInfo
- Publication number
- CN105180699B CN105180699B CN201510633071.XA CN201510633071A CN105180699B CN 105180699 B CN105180699 B CN 105180699B CN 201510633071 A CN201510633071 A CN 201510633071A CN 105180699 B CN105180699 B CN 105180699B
- Authority
- CN
- China
- Prior art keywords
- phase
- heat
- forced circulation
- change material
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a phase change heat accumulation type heat exchanger. The phase change heat accumulation type heat exchanger comprises an outer shell and an inner heat accumulation box body. A heat preservation layer is arranged between the shell and the heat accumulation box body. A bottom plate is arranged at the bottom of the heat accumulation box body. Supports are fixedly arranged on the two sides of the bottom plate. A first-time heat exchange coil pipe, a phase change material supporting frame and a second-time heat exchange coil pipe are sequentially and fixedly arranged on the supports. A phase change material packaging bag is hung on the phase change material supporting frame. A forced circulation inlet pipe and a forced circulation outlet pipe are arranged on the lower portion and the upper portion of the right side wall of the heat accumulation box body in a penetrating manner respectively. An upper partition plate is arranged above the forced circulation outlet pipe. A gas expansion tank communicated with the top of the outer shell is fixedly arranged on the top of the gas expansion tank through a pipeline. The forced circulation outlet pipe is sequentially connected with a flow meter, a one-way valve and a forced circulation fluid pump through a pipeline after penetrating out of the outer shell. The outlet of the forced circulation fluid pump is connected with the forced circulation inlet pipe. The phase change heat accumulation type heat exchanger solves the thermal insulation problem caused by the low phase change material heat conduction coefficient, the heat exchange area is large, the flowing speed of a circulation pump is regulated according to requirements, and the heat exchange efficiency is improved.
Description
Technical field
The invention belongs to heat exchange equipment technical field, especially a kind of phase-change thermal storage type heat exchanger.
Background technology
In the industrial production, in order to realize a kind of equipment of heat transfer process between material, it is referred to as heat exchanger.It is
Chemical industry, oil refining, power, atomic energy and a kind of wide variety of common processing equipment of other many industrial departments.Send out for rapid
For the commercial production such as chemical industry, the oil refining of exhibition, heat exchanger is particularly important.Generally in the construction in chemical plant, heat exchanger is accounted for always
The 10-20% of investment.In petroleum refinery, heat exchanger accounts for the 85-40% of whole technological equipment investments.
In Chemical Manufacture, for the needs of technological process, a variety of heat transfer process are often carried out：As heated,
Cooling, evaporation and condensation etc..Heat exchanger is exactly the equipment for carrying out these heat transfer process, by this equipment, to make
Heat passes to the relatively low fluid of temperature from the higher fluid of temperature, to meet technologic needs.Due to the condition that uses not
Together, heat transmission equipment has various forms and structure again.In addition, in Chemical Manufacture, sometimes heat exchanger is independent as one
Chemical industry equipment, sometimes then using it as the ingredient in some process equipment.Other such as reclaim the high temperature for emitting
The waste heat boiler used by used heat in gas, is also aborning indispensable sometimes.In a word, heat exchanger is in Chemical Manufacture
Application be quite varied, any chemical production technology nearly all be unable to do without it.
In heat reservoir, phase-change material effectively store and discharge big energy by solidifying and dissolving.Phase-change material
Advantage be that storage density is big, the process of heat absorption and heat release almost can be carried out at a constant temperature.But, phase-change material is led
The characteristics of hot coefficient is low often restricts the key factor of its practical application.Therefore, how to improve the heat conductivity of phase-change material into
Focus of attention is studied for phase-change material.
At present the phase-change thermal storage heat exchanger of industrial application belongs to dividing wall type heat exchanger, and dividing wall type heat exchanger is by structure point
For following several：(1) jacketed type exchanger；(2) sink and invade formula coil heat exchanger；(3) spray-type heat exchanger；(4) bushing type
Heat exchanger；(5) spiral heat exchanger；(6) plate type heat exchanger；(7) plate-fin heat exchanger；(8) heat-pipe heat exchanger；
(9) tubular heat exchanger [3].Must compare used in Chemical Manufacture it is many have board-like, plate-fin, shell-and-tube (shell and tube) and
Heat-pipe heat exchanger.Which kind of put it briefly, either the phase-change heat-exchanger of structure, its single heat exchange form all receives phase transformation
The low restriction of material thermal conductivity, heat exchanger heat exchange efficiency is low, and the deficiency that current phase-change heat-exchanger is present has：1st, heat exchange connects
Contacting surface product is little, and heat exchanger effectiveness is low, and 2, either board-like, tubular type, finned heat exchanger, the coil pipe or finned tube quantity of heat exchange
Many, manufacturing process is complicated, and processing and maintenance cost are high；3rd, because phase-change material heat conductivity is low, when there is heat exchange, especially
When being heat release, phase-change material can be undergone phase transition when reacting into crystalline state, cause heat insulation state, hinder the phase transformation of surrounding
Material undergoes phase transition reaction；4th, phase-change material and housing and heat exchange coil directly contact, due to the physical property characteristic of phase-change material, meeting
Greatly restriction is received to the manufacture material that the material of housing and coil pipe has particular/special requirement, housing and coil pipe, is usually required that as 306
The rustless steel of label and the above, causes heat exchange coil to adopt copper pipe, will under heat conductivity.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of phase-change thermal storage type heat exchanger.
The present invention solves its technical problem and takes technical scheme below to realize：
A kind of phase-change thermal storage type heat exchanger, including device bottom support, are fixedly mounted with device external housing, in outside on support
The inside of housing is the heat accumulation casing of equipment, and the insulation that insulation material is constituted is filled between external shell and heat accumulation casing
Layer, the bottom in heat storage box body is provided with heat storage box base plate, and in the both sides of heat storage box base plate fixation straight up is fixed with
Frame, be fixed with successively from bottom to top between the fixed support of both sides a horizontal heat exchange coil, phase-change material bracing frame and
Secondary heat exchange coil pipe, continuous packed phase-change material packaging bag, continuous bag are hung with phase-change material bracing frame away from interval
The phase-change material packaging bag bottom of dress is suspended from the top of a heat exchange coil, installs below the right side wall of heat accumulation casing and casing
The forced circulation inlet tube of ft connection, installs above the right side wall of heat accumulation casing and goes out with the forced circulation of casing ft connection
Mouth pipe, is provided with the circulation of fluid top interlayer board being packed on the wall of heat accumulation casing four above forced circulation outlet, on
The top of portion's interlayer board is air chamber, the gas that connects with air chamber is fixed with by pipeline at the top of external shell swollen
Swell, forced circulation outlet pass after external shell after pipeline is sequentially connected effusion meter and check valve with forced circulation stream
Body pump connects, and the outlet of forced circulation fluid pump is connected with forced circulation inlet tube.
And, the continuous packed phase-change material packaging bag is specifically using by the continuous Vertical Square of double-deck high temperature resistant PP plastics
To the phase-change material packaging bag of Vacuum Package, and has aluminium foil on packaging bag.
And, described to specifically refer to away from interval suspension, the phase-change material packaging bag that vertical direction is continuously encapsulated, horizontal
Upper continuous suspension without interval arranges, and in the vertical spacing d between row and row is between 2.5cm-3.5cm, is equipped with per single
The thickness of the packaging bag of phase-change material is between 0.8cm-1.2cm.
And, breather valve is installed on the pipeline of connection gas expansion tank.
And, in the lower section of a heat exchange coil, the forced circulation outlet is secondary for the forced circulation inlet tube
The top of heat exchange coil.
And, the circulation of fluid top interlayer board being packed on the wall of heat accumulation casing four is porous plate.
Advantages of the present invention and good effect are：
1st, phase-change material of the present invention is encapsulated and with aluminium foil using high temperature resistant PP plastic vacuum, and the tight 1mm of encapsulating material is thick not
The heat exchange efficiency of phase-change material is affected, while having following two advantages, single phase change material unit thickness using the packaged type
Tightly between 0.8cm-1.2cm, it is possible to resolve the low heat insulation problem for causing of phase-change material heat conductivity, phase-change material Vacuum Package
The service life of phase-change material can be improved；Phase-change material is not contacted with metal medium, will not cause corruption to housing and heat exchange coil
Erosion；
2nd, the present invention surveys metal coil pipe for one or two times using comb or coil pipe type, and advantage is simple structure, it is easy to made, liquid storage
Measure less, strong applicability.
3rd, present invention heat exchanger simple structure, each component is relatively independent, and Modularization assembled structure is easy to maintenance, heat exchanger
Damage part can be individually replaced during failure；
4th, present invention heat exchanger can normal pressure operation, also can internal pressurization operation, liquid medium fills up whole heat exchanger, can fill
Tap touches a secondary metals coil pipe and phase-change material, and outside increases circulating pump, and installs effusion meter, can as needed adjust circulation
The flow velocity of pump, makes internal liquid medium carry out forced convertion, improves heat exchange efficiency.
5th, present invention heat exchanger is provided with expansion drum, makes liquid system in heat exchanger play a part of to balance pressure oscillation.
Description of the drawings
Fig. 1 is phase-transition heat-storage type heat exchanger structure schematic diagram；
Fig. 2 is phase-change thermal storage type heat exchanger internal structure schematic diagram.
Specific embodiment
The embodiment of the present invention is further described below in conjunction with accompanying drawing, it is emphasized that, enforcement of the present invention
Example is illustrative, rather than determinate, it is impossible in this, as the restriction to the scope of protection of the invention.
A kind of phase-change thermal storage type heat exchanger, as shown in the figures 1 and 2, including device bottom support 14, it is fixedly mounted with outside equipment in support
Portion's housing 18, is the heat accumulation casing 17 of equipment in the inside of external shell, is filled between external shell and heat accumulation casing and protects
The heat-insulation layer that adiabator 15 is constituted, the bottom in heat storage box body is provided with heat storage box base plate 16, consolidates in the both sides of heat storage box base plate
Equipped with fixed support 19 straight up, horizontal once heat exchange is fixed with successively from bottom to top between the fixed support of both sides
Coil pipe 1, phase-change material bracing frame 3 and secondary heat exchange coil pipe 4, are hung with continuous packed on phase-change material bracing frame away from interval
Phase-change material 2, continuous packed phase-change material bottom is suspended from the top of a heat exchange coil, under the right side wall of heat accumulation casing
Side penetrates the forced circulation inlet tube 13 with casing ft connection, penetrates above the right side wall of heat accumulation casing and connects with outside casing
Logical forced circulation outlet 9, in the top of forced circulation outlet, is provided with the recycle stream being packed on the wall of heat accumulation casing four
Body top interlayer board 8, circulation of fluid is enclosed in top interlayer board the lower section of top interlayer board, makes the upper square of top interlayer board
Into air chamber 5, the gas expansion tank 7 connected with air chamber is fixed with by pipeline at the top of external shell, forces to follow
Ring outlet pass after being sequentially connected effusion meter 10 and check valve 11 by pipeline after external shell with forced circulation fluid pump 12
Connection, the outlet of forced circulation fluid pump is connected with forced circulation inlet tube.
In being embodied as the present invention, the continuous packed phase-change material is specifically using by double-deck high temperature resistant PP plastics
The phase-change material of continuous vertical direction Vacuum Package, and have aluminium foil on the plastic bag of encapsulation.
In being embodied as the present invention, as shown in Fig. 2 described specifically refer to away from being spaced suspension, vertical direction is continuous
The phase-change material packaging bag of encapsulation, continuous without being spaced in the horizontal, in the vertical spacing d between row and row is
Between 2.5cm-3.5cm, the thickness per the single packaging bag equipped with phase-change material is this phase transformation material between 0.8cm-1.2cm
The suspended structure of material packaging bag realizes to greatest extent the heat exchange between fluid media (medium) and phase-change material.
In being embodied as the present invention, breather valve 6 is installed on the pipeline of connection gas expansion tank.
In being embodied as the present invention, the circulation of fluid top interlayer board being packed on the wall of heat accumulation casing four is many
Orifice plate.
In being embodied as the present invention, the forced circulation inlet tube is in the lower section of a heat exchange coil, the pressure
Loop exit pipe transfers heat to heat exchange box in the top of secondary heat exchange coil pipe, external heat source through once surveying heat exchange coil
Interior liquid medium, outer loop pump makes liquid medium in heat exchange box form thermal convection current, and liquid medium is connect with phase-change material
Tactile heat exchange, so as to transfer heat to phase-change material in；
External heat source transfers heat to the liquid medium in heat exchange box through once surveying heat exchange coil, and liquid medium is inhaled
The heat of receipts can instantaneously, effectively by secondary side heat exchange coil pass to the fluid for carrying out taking heat.Simultaneously phase-change material will
Unnecessary heat absorption, is stored.
Once survey fluid in heat exchange coil and stop circulation, reduce heat by the heat loss for once surveying coil pipe, now, take heat
Fluid by secondary survey coil pipe the heat of the liquid medium in casing is passed, while liquid medium and phase transformation material in heat exchange box
Material carries out heat exchange, to ensure lasting heat supply.
Claims (6)
1. a kind of phase-change thermal storage type heat exchanger, it is characterised in that：Including device bottom support, device external shell is fixedly mounted with support
Body, is the heat accumulation casing of equipment in the inside of external shell, and insulation material structure is filled between external shell and heat accumulation casing
Into heat-insulation layer, the bottom in heat storage box body is provided with heat storage box base plate, is fixed with straight up in the both sides of heat storage box base plate
Fixed support, be fixed with a horizontal heat exchange coil, phase-change material successively from bottom to top between the fixed support of both sides
Bracing frame and secondary heat exchange coil pipe, continuous packed phase-change material encapsulation is hung with phase-change material bracing frame away from interval
Bag, continuous packed phase-change material packaging bag bottom is suspended from the top of a heat exchange coil, below the right side wall of heat accumulation casing
The forced circulation inlet tube with casing ft connection is installed, is installed above the right side wall of heat accumulation casing and casing ft connection
Forced circulation outlet, is provided with the circulation of fluid top being packed on the wall of heat accumulation casing four above forced circulation outlet
Interlayer board, the top of top interlayer board is air chamber, is fixed with by pipeline at the top of external shell and is connected with air chamber
Logical gas expansion tank, forced circulation outlet pass after external shell after pipeline is sequentially connected effusion meter and check valve with
Forced circulation fluid pump connects, and the outlet of forced circulation fluid pump is connected with forced circulation inlet tube.
2. phase-change thermal storage type heat exchanger according to claim 1, it is characterised in that：The continuous packed phase-change material envelope
The concrete phase-change material packaging bag using by the continuous vertical direction Vacuum Package of double-deck high temperature resistant PP plastics of pack, and in encapsulation
Has aluminium foil on bag.
3. phase-change thermal storage type heat exchanger according to claim 1, it is characterised in that：It is described to hang specifically away from interval
Refer to that the phase-change material packaging bag of the continuous encapsulation of vertical direction is continuously arranged in the vertical and row in the horizontal without interval suspension arrangement
Between spacing d be between 2.5cm-3.5cm, per the single packaging bag equipped with phase-change material thickness be 0.8cm-1.2cm
Between.
4. phase-change thermal storage type heat exchanger according to claim 1, it is characterised in that：On the pipeline of connection gas expansion tank
Breather valve is installed.
5. phase-change thermal storage type heat exchanger according to claim 1, it is characterised in that：The forced circulation inlet tube is once
The lower section of heat exchange coil, the forced circulation outlet is in the top of secondary heat exchange coil pipe.
6. phase-change thermal storage type heat exchanger according to claim 1, it is characterised in that：It is described to be packed on the wall of heat accumulation casing four
Circulation of fluid top interlayer board be porous plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633071.XA CN105180699B (en) | 2015-09-30 | 2015-09-30 | Phase change heat accumulation type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633071.XA CN105180699B (en) | 2015-09-30 | 2015-09-30 | Phase change heat accumulation type heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105180699A CN105180699A (en) | 2015-12-23 |
| CN105180699B true CN105180699B (en) | 2017-04-19 |
Family
ID=54902960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510633071.XA Active CN105180699B (en) | 2015-09-30 | 2015-09-30 | Phase change heat accumulation type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105180699B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830758B (en) * | 2017-11-24 | 2023-08-01 | 武汉理工大学 | Intelligent and accurate heat exchange system for double-circulation porous medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19937562A1 (en) * | 1999-08-09 | 2001-02-15 | Basf Ag | Elastic sealing materials based on block copolymers made from isobutene and vinyl aromatic monomers |
| CN2421574Y (en) * | 2000-02-14 | 2001-02-28 | 林茂森 | Peak regulating type electric energy converting heat-storing air-conditioner |
| CN104236360B (en) * | 2013-06-17 | 2018-06-01 | 苏州新华软智能装备有限公司 | A kind of modular frame carries energy storage device |
| CN205049031U (en) * | 2015-09-30 | 2016-02-24 | 天津瑞拓电子科技开发有限公司 | Phase transition heat -retaining type heat exchanger |
-
2015
- 2015-09-30 CN CN201510633071.XA patent/CN105180699B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105180699A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104969409B (en) | The energy storage system of fluid slot refrigeration | |
| Mitra et al. | Development and performance studies of an air cooled two-stage multi-bed silica-gel+ water adsorption system | |
| CA2865887C (en) | An apparatus for vapourising a medium and separating droplets as well as for condensing the medium | |
| CN103033078A (en) | Loop heat pipe and electronic apparatus | |
| CN101245971B (en) | Enclosed cavity type heat exchanger | |
| US20100230075A1 (en) | Thermal Storage System | |
| CN106839849A (en) | A kind of thermal storage device based on phase-change material and the mobile heat-storing device including the thermal storage device | |
| CN101907414B (en) | Combined oscillatory flow heat pipe with evaporation and heat exchange connecting section | |
| CN205049031U (en) | Phase transition heat -retaining type heat exchanger | |
| CN107328280A (en) | A kind of hot pond of multiple-unit transverse tube | |
| CN102748795A (en) | Phase-change heat accumulation and supply device | |
| CN102519284A (en) | Heat-pipe heat exchanger and heat exchange method | |
| CN105180699B (en) | Phase change heat accumulation type heat exchanger | |
| CN102971064A (en) | Refrigerant dryer, in particular compressed air refrigerant dryer, and heat exchanger for a refrigerant dryer, in particular a compressed air refrigerant dryer | |
| CN204730463U (en) | A kind of phase-change accumulation energy dilatation water tank | |
| CN203908077U (en) | Heat storage water tank with novel structure | |
| CN102184902B (en) | Porous alloy heat pipe radiator with gradient composite structure | |
| CN104006558A (en) | Heat accumulation water tank with new structure | |
| CN202083260U (en) | Porous alloy heat tube heat radiator with gradient composite structure | |
| CN108253819A (en) | A kind of coal changes electric heat exchanging body and heat-exchange system | |
| CN205479929U (en) | A mounting structure for cryogenic liquids carries wear -resisting pipeline | |
| CN208187185U (en) | A kind of coal changes electric heat exchanging body and heat-exchange system | |
| CN220288322U (en) | Chemical pressure distillation heat exchanger | |
| CN107883799A (en) | Module combined type pulsating heat pipe | |
| CN108151372A (en) | A kind of Dual heat exchange evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |