CN206056364U - Using the novel phase-change heat accumulator of foam copper phase-change material - Google Patents

Using the novel phase-change heat accumulator of foam copper phase-change material Download PDF

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Publication number
CN206056364U
CN206056364U CN201621027953.8U CN201621027953U CN206056364U CN 206056364 U CN206056364 U CN 206056364U CN 201621027953 U CN201621027953 U CN 201621027953U CN 206056364 U CN206056364 U CN 206056364U
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China
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phase
heat
foam copper
change material
change
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CN201621027953.8U
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Chinese (zh)
Inventor
周阳
倪国胜
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Shanghai Xuan Light Energy-Saving Environmental Protection Co Ltd
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Shanghai Xuan Light Energy-Saving Environmental Protection Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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Abstract

The utility model discloses a kind of novel phase-change heat accumulator of employing foam copper phase-change material.It includes the cylindrical shell of a closing, and housing includes outer layer sleeve, inner layer metal sleeve and interlayer;End closure insertion housing internal upper part on super heat-conductive pipe, lower ending opening are exposed at outside housing and are connected with waste heat source;Foam copper phase-change material is filled between inner layer sleeve and super heat-conductive pipe;Super heat-conductive pipe fixed support is fixed;It is additionally provided with spirality pipe to pass through between phase-change material in housing, the spirality pipe in crustless sandwich and housing is cold water channel.Novel phase-change heat accumulator of the present utility model, carries out waste heat recovery using super heat-conductive pipe, and heat transfer is fast, heat conduction efficiency is high;Increase the heat conductivity of phase-change material using foam copper, improve the speed of accumulation of heat heat release.

Description

Using the novel phase-change heat accumulator of foam copper phase-change material
Technical field
This utility model belongs to energy accumulating technique field, is related to a kind of New-type phase change accumulation of heat of employing foam copper phase-change material Device.
Background technology
The highly energy-consumings such as traditional iron and steel, chemical industry, electric power, the industrial exhaust heat of maximum discharge industry, used heat recovery utilization rate it is very low, Such as dissipate the low temperature exhaust heats such as type steam waste heat, exhaust heat of slag flushing water, fume afterheat, compressed air waste-heat not yet to develop, this leads Annual substantial amounts of energy has been caused to be consumed, while generating a large amount of gas discharges.At the same time, waste heat Waste Heat Recovery business and The utilization of commercial market is still less, and most UTILIZATION OF VESIDUAL HEAT IN project economics, motility still are apparent not enough.
Nowadays, energy saving obviously has become a kind of important social consciousness of the world today.The profit of industrial exhaust heat used heat It is considerable with economy.Research and development Low-temperature heat utilization techniques, reclaim the cryogenic waste heat resource for not yet utilizing, and store and transport use heat Occasion, such as industrial undertaking, hotel, hotel, swimming pool etc. stablize the user of amount of hot water throughout the year, provide cool water heating, supply for which Warm service.
Existing utilization phase-change material carries out the novel phase-change heat accumulator that waste heat Waste Heat Recovery is utilized, and there is mostly heat transfer effect The problems such as rate is low, thermal response is slow, envelope chamber internal pressure is larger.
Utility model content
The purpose of this utility model is:Overcome the deficiencies in the prior art, there is provided a kind of heat transfer efficiency is high, thermal response is fast, The little novel phase-change heat accumulator of internal pressure, i.e., a kind of novel phase-change heat accumulator of employing foam copper phase-change material.
The purpose of this utility model is achieved through the following technical solutions:
A kind of novel phase-change heat accumulator of employing foam copper phase-change material, it includes the cylindrical shell of a closing, cylinder Three layers of shape housing point, is outer layer sleeve, inner layer sleeve respectively, and the interlayer between outer layer sleeve and inner layer sleeve;It is interior Layer sleeve is metal material;Housing upper end is provided with water inlet, and water inlet is connected with crustless sandwich;Housing lower end side is provided with Outlet, outlet are connected with crustless sandwich;Housing bottom is provided with the perforate of pluggable super heat-conductive pipe;Super heat-conductive pipe is from housing The inside of housing inner layer sleeve is inserted in the perforate of bottom;Foam copper phase transformation material is filled between housing inner layer sleeve and super heat-conductive pipe Material (being filled in the phase-change material among the hole of foam copper);End closure on super heat-conductive pipe, lower ending opening, upper end insertion housing Internal upper part, lower end are exposed at outside housing, are easy to connect with waste heat source;Super heat-conductive pipe is by the fixation that is fixedly connected with inner walls Support is fixed;Spirality pipe is additionally provided with housing inner layer sleeve to pass through between phase-change material, the spirality pipe Upper end is connected with the water inlet of housing upper end, and lower end is connected with the outlet of housing lower end;(crustless sandwich and enclosure interior Spirality pipe be cold water channel).
Further, on the inwall of inner layer sleeve, multiple discoid fixed supports are fixed with from top to bottom;Each is solid Fixed rack has a centre bore and Duo Gen supporting ribs;Super heat-conductive pipe is fixed by inserting multiple support bracket fastened centre bores.
Further, the cylindrical shell, is additionally provided with adiabator layer in the outer surface of outer layer sleeve.
Further, the shell of the super heat-conductive pipe is copper material.The fixed support adopts stainless steel.
Further, the housing outer layer sleeve is stainless steel.The inner layer sleeve is copper material.
Further, the foam copper is that aperture is 0.1mm-10mm, the through-hole foam copper that porosity is 50-98% (high porosity through-hole foam copper of the preferable porosity up to 85-98%), the phase-change material is filled in the hole of through-hole foam copper In.
Further, the phase-change material is inorganic salt, crystalline hydrate salt, paraffin or fatty acid phase-change material.
Further, the foam copper phase-change material is that foam copper passes through mechanical mixture or vacuum injection with phase-change material Made by method, that is, the phase-change material being filled among the hole of foam copper.
Several novel phase-change heat accumulators of the present utility model can be selected to carry out and joint group according to user's heat load demand Dress.To fix by fixing device is in parallel with hot water exit at the cold water inlet of multiple novel phase-change heat accumulators, that is, constitute one Plant new mobile type accumulation of energy heat-exchanger rig.
Novel phase-change heat accumulator of the present utility model, is the Rational choice phase transformation material based on industrial exhaust heat, Waste Heat Recovery Material is used as heat storage medium.The phase transition temperature of the phase-change material filled inside the new novel phase-change heat accumulator is different, with flowing Direction is gradually lowered.During accumulation of heat, industrial waste heat flows through super heat-conductive pipe lower end, and heat is passed in the novel phase-change heat accumulator of upper end Portion, and then be delivered in phase-change material, phase change memory heat;During heat release, cold water flows into square tube of catchmenting, shunting from upper end water inlet pipe To each monomer novel phase-change heat accumulator, along the phase transformation material that spirally-guided circle cyclic absorption Jing foam coppers and inner layer metal sleeve are transmitted The heat of material solidification release, realizes the high efficiente callback and release of heat.
The beneficial effects of the utility model:
Novel phase-change heat accumulator of the present utility model, super heat-conductive pipe and foam copper is applied in thermophore, using superconduction Heat pipe heat transfer is fast, heat conduction efficiency is high, heat transfer mean temperature difference big, flexible arrangement, it is safe and reliable the features such as, to industry Waste heat used heat is reclaimed, and carries out accumulation of energy using phase-change material, has high porosity, high thermal conductivity coefficient, heat conduction using foam copper The excellent specific property such as performance is high, thermal storage density is big, heat structure is stable, fills the heat conductivity of through-hole foam copper increase phase-change material, The speed of accumulation of heat heat release is improved, effectively overcomes that existing novel phase-change heat accumulator heat transfer efficiency is low, thermal response slow, envelope intracavity portion pressure The larger problem of power.
Advantage of the present utility model and good effect are as follows:
1. heat recovery is carried out using super heat-conductive pipe, heat transfer is fast, heat conduction efficiency is high.Super heat-conductive pipe is used as a kind of high The heat transfer unit of effect, the phase change heat storage material that industrial exhaust heat can be quickly transmitted in thermophore.
2. increase the heat conductivity of phase-change material using foam copper, improve the speed of accumulation of heat heat release, thermal response is fast.Foam Copper has very high heat conductivity, by phase-change material is added in foam copper, and is filled between the hole of through-hole foam copper, The heat transfer property of phase-change material is significantly improved, hot stack phenomenon is effectively slow down, hence it is evident that thermal response time is shortened, significantly The heat transfer property of accumulation of energy thermophore is enhanced, the temperature homogeneity in thermophore is improve so that heat can rapidly by phase transformation material Material is absorbed.
3., by spirally-guided circle is arranged in the crustless sandwich (i.e. cold water channel), connecing for cold water and phase-change material is increased The tactile time, enable cold water that more heats are absorbed from phase-change material.
4. envelope intracavity no pressure, safe and reliable.
5. thermophore simple structure, easy to install and use, is conducive to the installation and transportation in little medium-and-large-sized railway carriage or compartment lorry.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the novel phase-change heat accumulator of employing foam copper phase-change material of the present utility model;
Fig. 2 is the cross section structure schematic diagram of the novel phase-change heat accumulator of employing foam copper phase-change material of the present utility model.
In figure, 200- water inlets, 201- rustless steel sleeves, 202- interlayers, 203- spirality pipes, 204- super heat-conductive pipes, 205- outlets, 206- fixed supports, 2061- centre bores, 2062- supporting ribs;207- foam copper phase-change materials, 208- copper sheathings Cylinder.
Specific embodiment
This utility model is further described below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of novel phase-change heat accumulator of employing foam copper phase-change material of this utility model, it includes The cylindrical shell of one closing, three layers of cylindrical shell point, is outer layer rustless steel sleeve 201, internal layer copper sleeve 208 respectively, with And the interlayer 202 between outer layer rustless steel sleeve and internal layer copper sleeve;Cylindrical shell upper end is provided with water inlet 200, enters The mouth of a river is connected with interlayer;Cylindrical shell lower end side is provided with outlet 205, and outlet is connected with interlayer;Housing bottom It is provided with the perforate of pluggable super heat-conductive pipe;Super heat-conductive pipe inserts the inside of housing internal layer copper sleeve from the perforate of housing bottom;Copper Foam copper phase-change material 207 is filled between sleeve and super heat-conductive pipe and (is filled in the phase transformation between the hole of through-hole foam copper Material);End closure on super heat-conductive pipe, lower ending opening, upper end insertion housing internal upper part (the most of and phase-change material of whole pipe Contact), lower end is exposed at outside housing, is easy to be connected with waste heat source;On the inwall of copper sleeve 208, it is fixed with from top to bottom Multiple discoid fixed supports 206;Each fixed support 206 has a centre bore 2061 and Duo Gen supporting ribs 2062;It is super Heat pipe 204 can be fixed by inserting the centre bore 2061 of multiple fixed supports 206, meanwhile, multiple fixed supports 206 Also there is supporting and fixing effect (because the wall of copper sleeve is very thin) to copper sleeve.Fixed support 206 adopts stainless steel.In housing Spirality pipe 203 is additionally provided with layer copper sleeve to pass through between phase-change material, on 203 upper end of spirality pipe and housing The water inlet 200 at end is connected, and lower end is connected with the outlet 205 of housing lower end.The spirality pipe 203 is copper material 's.Spirality pipe 203 can be made under cold water spiral flow, increase the time of contact with phase-change material;Crustless sandwich 202 and housing Internal spirality pipe 203 is cold water channel, increases the contact area with phase-change material.
The cylindrical shell, is additionally provided with adiabator layer in the outer surface of rustless steel sleeve.The pipe of the super heat-conductive pipe Shell is copper material.The foam copper is the high porosity through-hole foam that aperture reaches 85-98% for 0.1mm-10mm, porosity Copper.The phase-change material is inorganic phase-changing material.
Novel phase-change heat accumulator of the present utility model, is reclaimed to industrial exhaust heat used heat using super heat-conductive pipe, using filling out The phase-change material filled between the hole of through-hole foam copper carries out accumulation of heat, is mutually changed into liquid, is stored in list after phase-change material heat absorption In body novel phase-change heat accumulator;The phase-change material phase transformation heat release that recycling is stored in novel phase-change heat accumulator carries out adding to cold water Heat, there is provided the purposes such as cool water heating, heating.The specifically used method of the new novel phase-change heat accumulator is as follows:
First, by the novel phase-change heat accumulator transport at waste heat thermal source, super heat-conductive pipe away from phase change heat storage material Terminate into waste heat source (such as high-temp waste gas, hot waste water etc.), fixed thermophore.As super heat-conductive pipe has heat transfer speed Hurry up, the extremely low advantage of the two ends temperature difference, quickly thermophore can reach maximum amount of stored heat, now super heat-conductive pipe can be pulled out from waste heat source Go out, carry out the seal operation of waste heat source and novel phase-change heat accumulator, then novel phase-change heat accumulator obtains once quick, reliable suction Thermal process.
Then, it is the novel phase-change heat accumulator is long-term with car transport to neighbouring hotel, hotel, bathing city, swimming pool etc. At the larger user of amount of hot water, the water inlet of the novel phase-change heat accumulator is connected into it by pipeline with the cold water pipe of user Afterwards, the phase-change material phase transformation heat release being stored in novel phase-change heat accumulator is heated to cold water, there is provided cool water heating, heating etc. Purposes.The novel phase-change heat accumulator, during transport or use, traverse or places vertically.
The operation principle of novel phase-change heat accumulator of the present utility model is as follows:
During accumulation of heat, industrial exhaust heat used heat enters and flows through super heat-conductive pipe 204, super heat-conductive pipe heat from 204 lower end of super heat-conductive pipe End (bottom) internal work medium heat absorption evaporation becomes steam, steam flow cold end (top), after being condensed into liquid release heat, By gravity stream backheat end (bottom);So circulating and evaporating, condensation transfers heat to the phase transformation being filled between foam copper space Material;Phase-change material is endothermic melting, is liquid by solid state transformation, by heat storage in liquid state phase change material, completes accumulation of heat Journey.
During heat release, the cold water that need to be heated is passed through from the water inlet 200 of novel phase-change heat accumulator upper end (can be according to recovery thermal source Temperature and recuperation of heat require, using inlet valve and bypass line, reasonable selection monomer novel phase-change heat accumulator in parallel Number carries out accumulation of heat, heat release), after the interlayer 202 that cold water is entered between rustless steel sleeve 201 and copper sleeve 208, in interlayer 202 It is interior to circulate along spirally-guided circle 203, fully absorb the phase-change material solidification release come by copper sleeve 208 and foam copper conduction The heat for going out, phase-change material become solid-state again by liquid, and heated hot water flows out to user side from lower end Jing outlet 205, complete Into heat release process.

Claims (8)

1. a kind of novel phase-change heat accumulator of employing foam copper phase-change material, it is characterised in that it includes the cylindrical shape of a closing Housing, three layers of cylindrical shell point are outer layer sleeve, inner layer sleeve respectively, and are located between outer layer sleeve and inner layer sleeve Interlayer;Inner layer sleeve is metal material;Housing upper end is provided with water inlet, and water inlet is connected with crustless sandwich;Under housing End side surface is provided with outlet, and outlet is connected with crustless sandwich;Housing bottom is provided with the perforate of pluggable super heat-conductive pipe;Superconduction Heat pipe inserts the inside of housing inner layer sleeve from the perforate of housing bottom;Bubble is filled between housing inner layer sleeve and super heat-conductive pipe Foam copper phase-change material is filled in the phase-change material among the hole of foam copper;End closure on super heat-conductive pipe, lower ending opening, upper end Insertion housing internal upper part, lower end is exposed at outside housing, is easy to be connected with waste heat source;Super heat-conductive pipe is connected by being fixed with inner walls The fixed support for connecing is fixed;Spirality pipe is additionally provided with housing inner layer sleeve to pass through between phase-change material, the spiral shell Rotation shape pipeline upper end is connected with the water inlet of housing upper end, and lower end is connected with the outlet of housing lower end.
2. as claimed in claim 1 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that in internal layer set On the inwall of cylinder, multiple discoid fixed supports are fixed with from top to bottom;Each fixed support has a centre bore and Duo Gen Supporting rib;Super heat-conductive pipe is fixed by inserting multiple support bracket fastened centre bores.
3. as claimed in claim 1 or 2 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that described Foam copper is that aperture is 0.1mm-10mm, the through-hole foam copper that porosity is 50-98%, and the phase-change material is filled in through hole bubble In the hole of foam copper.
4. as claimed in claim 3 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that the foam Copper is high porosity through-hole foam copper of the porosity up to 85-98%.
5. as claimed in claim 1 or 2 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that described Cylindrical shell, is additionally provided with adiabator layer in the outer surface of outer layer sleeve.
6. as claimed in claim 1 or 2 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that described The shell of super heat-conductive pipe is copper material;The fixed support adopts stainless steel.
7. as claimed in claim 1 or 2 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that described Inner layer sleeve is copper material.
8. as claimed in claim 1 or 2 using the novel phase-change heat accumulator of foam copper phase-change material, it is characterised in that described Outer layer sleeve is stainless steel.
CN201621027953.8U 2016-08-31 2016-08-31 Using the novel phase-change heat accumulator of foam copper phase-change material Expired - Fee Related CN206056364U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109556439A (en) * 2019-01-10 2019-04-02 合肥职业技术学院 A kind of waste heat recovering energy conserving environmental protection equipment
CN109915894A (en) * 2019-04-22 2019-06-21 珠海格力电器股份有限公司 Heat storage type electric heater
CN110068041A (en) * 2019-05-30 2019-07-30 珠海格力电器股份有限公司 Heat accumulating type electric heater and electric heater control method
CN113959249A (en) * 2021-12-06 2022-01-21 浙江理工大学 Industrial waste gas's waste heat recovery device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109556439A (en) * 2019-01-10 2019-04-02 合肥职业技术学院 A kind of waste heat recovering energy conserving environmental protection equipment
CN109915894A (en) * 2019-04-22 2019-06-21 珠海格力电器股份有限公司 Heat storage type electric heater
CN110068041A (en) * 2019-05-30 2019-07-30 珠海格力电器股份有限公司 Heat accumulating type electric heater and electric heater control method
CN110068041B (en) * 2019-05-30 2024-05-10 珠海格力节能环保制冷技术研究中心有限公司 Heat accumulating type electric heater and electric heater control method
CN113959249A (en) * 2021-12-06 2022-01-21 浙江理工大学 Industrial waste gas's waste heat recovery device

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