CN205425922U - Multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel - Google Patents

Multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel Download PDF

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Publication number
CN205425922U
CN205425922U CN201521087114.0U CN201521087114U CN205425922U CN 205425922 U CN205425922 U CN 205425922U CN 201521087114 U CN201521087114 U CN 201521087114U CN 205425922 U CN205425922 U CN 205425922U
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China
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cold
hot
flow body
heat
fluid
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CN201521087114.0U
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Chinese (zh)
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方利国
徐培鑫
彭艳君
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South China University of Technology SCUT
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South China University of Technology SCUT
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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

Abstract

The utility model discloses a multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel, including the cylindrical barrel of vertical setting, two and half spherical head s of on barrel lower extreme are connected respectively through the flange, still be provided with the barrel end plate between lower extreme and two and half spherical head on the barrel, be provided with hot -fluid export on lieing in half spherical head of upper end, lie in and be provided with hot fluid inlet on half spherical head of lower extreme, the lower extreme is provided with annular guiding gutter respectively on the inner wall of barrel, is provided with a plurality of cold flows body straight tube, cold flow body coiled pipe between the two rings shape guiding gutter, barrel external circumferential wall is provided with cold fluid import, evenly is equipped with a plurality of hot -fluid coiled pipes between two barrel end plates, it has heat storage materials to fill in the space between hot -fluid coiled pipe and cold flow body straight tube, the cold flow body coiled pipe, the utility model discloses make the heat accumulation heating process become automatic controllable, solved traditional heat accumulator commodity circulation pollution problem, improve heat exchange efficiency and heat storage capacity simultaneously greatly.

Description

A kind of multitube distance energy-saving thermal storage device of cold and hot shunting
Technical field
This utility model relates to heat transfer and field of energy-saving technology, particularly relates to the multitube distance energy-saving thermal storage device of a kind of cold and hot shunting.
Background technology
Along with energy crisis and the aggravation of environmental pollution, saving the energy and the most increasingly cause the attention of people, various power-saving technologies are widely used by people.Thermophore is as a kind of energy-saving equipment, heat can be stored, it is flexibly utilized by heat, there is performance simultaneously good, reliability is high, the advantages such as the heat-exchange temperature that storage density is big and nearly constant, traditional thermophore does not the most carry out careful research, cause amount of stored heat little, low discharge material-heat-exchanging is inefficient, temperature of charge can not be controlled, and cold fluid and hot fluid is not the most separated by thermophore, the problem that material pollutes can not be solved, in order to solve the problems referred to above, the multitube distance energy-saving thermal storage device of a kind of cold and hot shunting is proposed, method by cold and hot shunting, spent acid etc. can be realized and be difficult to the gas waste-heat recovery of direct heat transfer, low discharge material waste heat high efficiente callback.Use warp-wise finned tube, increase heat exchange area, optimize heat transfer process, between thermophore internal cavities, fill heat-storing material, reach accumulation of heat purpose;The method simultaneously using multitube distance, has efficiently controlled the control of convection cell outlet temperature, to reach the needs in production process.
Utility model content
Little for amount of stored heat, low discharge material-heat-exchanging is inefficient, temperature of charge can not be controlled, the problem that material pollutes proposes the multitube distance energy-saving thermal storage device of a kind of cold and hot shunting, improve amount of stored heat to a certain extent, low discharge material-heat-exchanging efficiency is made to be greatly improved, it is achieved cold and hot being in charge of solves material pollution problem, also makes fluid temperature (F.T.) have controllability simultaneously.
This utility model adopts the following technical scheme that and realizes:
nullA kind of multitube distance energy-saving thermal storage device of cold and hot shunting,Including the cylindrical tube being vertically arranged、Two hemispherical heads of described cylinder upper and lower side it are connected to by flange,Cylinder end plate cylinder lumen and hemispherical head inner chamber being isolated it is additionally provided with between described cylinder upper and lower side and two hemispherical heads,It is positioned on the hemispherical head of described cylinder upper end and is provided with hot fluid outlet ports,It is positioned on the hemispherical head of described cylinder lower end and is provided with hot fluid import,The inwall upper and lower side of described cylinder is respectively arranged with the annular diversion trench forming ring packing cavity volume with adjacent cylinder end plate,It is provided with the cold flow body straight tube of some two annular diversion trench of connection the most equably along two concentric circular tracks between two annular diversion trench、Cold flow body coil,Described cylinder outer circle wall upper end is provided with the cold fluid inlet of the annular diversion trench connecting the inwall upper end being positioned at described cylinder,Outer circle wall lower end is provided with the cold fluid outlet of the annular diversion trench connecting the inwall lower end being positioned at described cylinder,The hot fluid coil of some two hemispherical head inner chambers of connection it is provided with equably between two cylinder end plates,Described hot fluid coil and cold flow body straight tube、Space between cold flow body coil is filled with heat-storing material.This programme uses the mode of hot and cold tube shunting, hot fluid hot fluid import from the hemispherical head of lower end enters in multiple hot fluid pipe, cold flow body enters from the cold flow body import department of cylinder upper right, through annular diversion trench, even in each cold fluid hose, in the process, cold and hot shunting is gone together, can also the most logical hot fluid obstructed cold flow body, be at this moment exactly simple accumulation of heat;The most logical cold flow body, is at this moment exactly simple heating;Cold and hot colleague when be exactly accumulation of heat, heating carry out simultaneously, make accumulation of heat heating process become controlled, solve tradition thermophore logistics pollution problem, substantially increase heat exchange efficiency and heat storage capacity simultaneously.
Further, being provided with flow control valve on described hot fluid coil and cold flow body coil, the specific heat capacity of cold fluid and hot fluid is the most different, therefore can be by the flow of Flow-rate adjustment valve regulation cold fluid and hot fluid, the method i.e. changing the aperture of valve, changes and adjusts the temperature of outlet fluid.
Further, it is provided with temperature sensor on described hot fluid coil and cold flow body coil, temperature sensor can connect with scale conversion circuit, numerical monitor is carried out by light beam level driving circuit after scale conversion circuit transformations, digital display can be used in conjunction with DDZ, programmable controller or computer, process through computer and feed back to control circuit, control to realize the control to temperature to valve opening.
Further, described cold flow body straight tube, hot fluid coil are uniformly distributed circumferentially some fins parallel with conduit axis with the straightway outer wall of cold flow body coil, allow thermophore pipeline enclosure have enough heat exchange areas, improve heat exchange efficiency.
Further, the minimum interval of the fin on adjacent channel is not less than 20mm, when filling heat-storing material, process-stream is produced excessive flow resistance to reduce.
Further, the cross section of described fin is curved line trangle, the fin root of this shape is thick, its outwardly extending portion can be processed thinner, due to the highest the closer to pipe temperature, now contact area is the biggest, and accumulation of heat effect is the best, therefore root wants thickness, and extension is due to from pipeline farther out, little on amount of stored heat impact, can be made thinner, be conducive to saving material, meanwhile, big near pipe section thermal stress, the thickness done some, being conducive to extending life-span and the welding of fin, the material of fin can be the composites such as aluminum, copper, steel.
Further, the surface of described fin is uniformly arranged fluted, is used for embedding solid heat storage material, both can increase the loading of heat-storing material, also increase heat-storing material and the heat exchange area of fin, strengthen the amount of stored heat of thermophore.
Further, described heat-storing material is expanded graphite, expanded graphite is unexpected except possessing the premium properties such as the cold-hot of native graphite itself, corrosion-resistant, self-lubricating, again due to its Special moulding process and special microstructure, and there is the unexistent softness of native graphite, resilience, low stress relaxation etc..
Further, described cylinder includes metal level, heat insulation layer and high-temperature-resistant layer the most successively, and described heat insulation layer uses adiabator or vacuum insulation.
Further, all cold fluid hose cross-sectional area sums are consistent with the cross-sectional area sum of all hot fluid pipes, when the quantity of cold fluid hose is different from the quantity of hot fluid pipe, by arranging different pipe diameters, reduce the difference in flow of both the tube fluid working medium when heat exchange, it is made to keep consistent as far as possible, to obtain higher heat exchange efficiency, and pipe material is corresponding with needing fluid properties to be processed, such as when there is corrosive high-temperature acidic gas entrance hot fluid pipe, pipeline material needs to use corrosion-resistant, exotic material;And just have only to exotic material during cold fluid hose entrance air.
Compared to existing technology, advantage of the present utility model includes: this thermophore is intended to, by improving for structure design and innovating, improve its heat storage capacity and cooling effectiveness, and its main innovative point is:
1. multitube distance regulating flow quantity, can carry out detection by quantitative and outlet temperature is imposed control, it is achieved the needs of Chemical Manufacture temperature.
2. spatial design is reasonable, and pipeline arranges the compact space availability ratio that improves while improving heat exchange efficiency, saving cost of manufacture, improves business efficiency.
3. use hot and cold tube shunting, make heat transfer process become controlled, solve the problem that material pollutes.
4. annular diversion trench is set in cold flow body import department, changes the state of tradition thermophore air flow in one direction, allow gas to, even into each cold air mouth of pipe, enhance heat exchange.
5. use the design of multitube distance can realize pick up the heat more than low discharge material.
6. use longitudinal fin pipe heat exchange, by welding longitudinal fin, significantly enhancing its exchange capability of heat, (root is thick to use curved line trangle, extension is thin) structure, also increase amount of stored heat while saving material, it is to avoid thermal stress is too high, be conducive to extending the life-span of fin, fin arranges groove, there is the loading that can increase heat-storing material, make heat exchange area increase, enhance its accumulation of heat, exchange capability of heat.
7. a thermophore realizes multiple use, is simple accumulation of heat when of the most logical hot fluid, and the most logical cold flow body is simple heating, and both both can realize accumulation of heat simultaneously can also realize heating.
Accompanying drawing explanation
Thermophore population structure schematic diagram in Fig. 1 this utility model.
Fig. 2 is the annular diversion trench schematic cross-section in Fig. 1 at A-A.
Fig. 3 is schematic cross-section at B-B in Fig. 1.
Fig. 4 is cold flow body straight tube and the fin structure schematic diagram of cold fluid and hot fluid coil straight-tube portion.
Shown in figure it is: 1-annular diversion trench, 2-cold flow body straight tube, 3-flow control valve, 4-cold flow body coil, 5-hot fluid import, 6-cold fluid outlet, 7-temperature sensor, 8-heat-storing material, 9-cylinder, the cold fluid inlet of 10-, 11-flange, 12-semicircle end socket, 13-hot fluid outlet ports, 14-hot fluid coil, 15-cylinder end plate, 16-fin, 17-groove.
Detailed description of the invention
Being described in further detail the purpose of this utility model below by specific embodiment, embodiment can not repeat one by one at this, but the most therefore embodiment of the present utility model is defined in following example.
nullAs shown in Figure 1 to Figure 3,A kind of multitube distance energy-saving thermal storage device of cold and hot shunting,Including the cylindrical tube 9 being vertically arranged、Two hemispherical heads 12 of described cylinder 9 upper and lower side it are connected to by flange 11,The cylinder end plate 15 cylinder 9 inner chamber and hemispherical head 12 inner chamber being isolated it is additionally provided with between described cylinder 9 upper and lower side and two hemispherical heads 12,It is positioned on the hemispherical head 12 of described cylinder 9 upper end and is provided with hot fluid outlet ports 13,It is positioned on the hemispherical head 12 of described cylinder 9 lower end and is provided with hot fluid import 5,The inwall upper and lower side of described cylinder 9 is respectively arranged with the annular diversion trench 1 forming ring packing cavity volume with adjacent cylinder end plate 15,It is provided with the cold flow body straight tube 2 of some two annular diversion trench 1 of connection the most equably along two concentric circular tracks between two annular diversion trench 1、Cold flow body coil 4,Described cylinder 9 outer circle wall upper end is provided with the cold fluid inlet 10 of the annular diversion trench 1 connecting the inwall upper end being positioned at described cylinder 9,Outer circle wall lower end is provided with the cold fluid outlet 6 of the annular diversion trench 1 connecting the inwall lower end being positioned at described cylinder 9,The hot fluid coil 14 of two hemispherical head 12 inner chambers of some connections it is provided with equably between two cylinder end plates 15,Described hot fluid coil 14 and cold flow body straight tube 2、Space between cold flow body coil 4 is filled with heat-storing material 8,Described heat-storing material 8 is expanded graphite,Expanded graphite is except possessing the cold-hot of native graphite itself、Corrosion-resistant、The premium properties such as self-lubricating are unexpected,Again due to its Special moulding process and special microstructure,And there is the unexistent softness of native graphite、Resilience、Low stress relaxation etc..The present embodiment uses the mode of hot and cold tube shunting, hot fluid hot fluid import 5 from lower end hemispherical head 12 enters in multiple hot fluid coil 14, cold flow body enters at the cold fluid inlet 10 of cylinder 9 upper right, through annular diversion trench 1, in annular diversion trench 1 cavity inside annularly flow, toward dirty when running into cold flow body straight tube 2 and cold flow body coil 4, so cold flow body can be even in each cold fluid hose, in the process, cold and hot shunting colleague, can also the most logical hot fluid obstructed cold flow body, be at this moment exactly simple accumulation of heat;The most logical cold flow body, is at this moment exactly simple heating;Cold and hot colleague when be exactly accumulation of heat, heating carry out simultaneously, make accumulation of heat heating process become controlled, solve tradition thermophore logistics pollution problem, substantially increase heat exchange efficiency and heat storage capacity simultaneously.
Specifically, being provided with flow control valve 3 on described hot fluid coil 14 and cold flow body coil 4, the specific heat capacity of cold fluid and hot fluid is the most different, therefore can be by the flow of Flow-rate adjustment valve regulation cold fluid and hot fluid, the method i.e. changing the aperture of valve, changes and adjusts the temperature of outlet fluid.
Specifically, described hot fluid coil 14 and cold flow body coil 4 being provided with temperature sensor 7, such as Pt100 platinum resistance, Pt100 platinum resistance is a kind of conventional temperature sensor, and its temperature measurement range is between-200-850 DEG C.Can connect with scale conversion circuit, numerical monitor is carried out by light beam level driving circuit after scale conversion circuit transformations, digital display can be used in conjunction with DDZ, programmable controller or computer, process through computer and feed back to control circuit, control to realize the control to temperature to valve opening.
As shown in Figure 4, described cold flow body straight tube 2, hot fluid coil 14 are uniformly distributed circumferentially four fins 16 parallel with conduit axis with the straightway outer wall of cold flow body coil 4, thermophore pipeline enclosure is allowed to have enough heat exchange areas, improve heat exchange efficiency, simultaneously, the cross section of described fin 16 is curved line trangle, and surface is evenly arranged with the groove 17 suitable with graphite diameter, for embedding solid heat storage material, both the loading of heat-storing material 8 can have been increased, also increase heat-storing material 8 and the heat exchange area of fin 16, strengthen the amount of stored heat of thermophore.Fin 16 root of this shape is thick, and its outwardly extending portion can be processed thinner, due to the highest the closer to pipe temperature, now contact area is the biggest, and accumulation of heat effect is the best, and therefore root wants thickness, and extension is due to from pipeline farther out, little on amount of stored heat impact, can be made thinner, be conducive to saving material, meanwhile, big near pipe section thermal stress, the thickness done some, being conducive to extending life-span and the welding of fin 16, the material of fin 16 can be the composites such as aluminum, copper, steel.It addition, the minimum interval of the fin 16 on adjacent channel is not less than 20mm, when filling heat-storing material 8, process-stream is produced excessive flow resistance to reduce.
Specifically, described cylinder 9 includes metal level, heat insulation layer and high-temperature-resistant layer the most successively, and described heat insulation layer uses adiabator or vacuum insulation.
Specifically, all cold fluid hose cross-sectional area sums are consistent with the cross-sectional area sum of all hot fluid pipes, when the quantity of cold fluid hose is different from the quantity of hot fluid pipe, by arranging different pipe diameters, reduce the difference in flow of both the tube fluid working medium when heat exchange, it is made to keep consistent as far as possible, to obtain higher heat exchange efficiency, and pipe material is corresponding with needing fluid properties to be processed, such as when there is corrosive high-temperature acidic gas entrance hot fluid pipe, pipeline material needs to use corrosion-resistant, exotic material;And just have only to exotic material during cold fluid hose entrance air.
Whole thermophore is vertically placed, and thermophore is divided into three part manufactures, is then fitted together by connection member and welded seal, manufacturing process approximately as:
First cylinder 9 as shown in Figure 1, the hemispherical head 12 of corresponding size and flange 11 are produced;Next produces the fin 16 such as Fig. 4, four fin 16 uniform weldings on pipeline;Mode again with casting produces cold and hot fluid coil, opens at bend part, loads onto flow control valve 3 and temperature sensor 7;Finally produce annular diversion trench 1 and get the circular hole suitable with cold flow body straight tube 2 and cold flow body coil 4 diameter as depicted in figs. 1 and 2, produce cold flow body straight tube 2, then fin 16 is welded on cold flow body straight tube 2 and cold fluid and hot fluid coil 4 straight-tube portion.
Finally each tubing and cylinder 9 being welded together, and hold cold flow body inlet and outlet successfully, insert heat-storing material 8, two hemispherical heads 12 and cylinder 9 flange 11 are linked together, the thermophore of whole sealing just assembles.
During use, hot fluid hot fluid import from lower end hemispherical head 12 enters 5 in hot fluid coil 14, cold flow body enters at the cold fluid inlet 10 of cylinder 9 upper right, through annular diversion trench 1, even in each cold flow body straight tube 2 and in cold flow body coil 4, the heat of hot fluid coil 14 passes to heat-storing material 8 by conduction of heat, heat-storing material 8 is conducted to again cold flow body, or the direct heat radiation of hot fluid imparts heat to cold flow body, in the process, cold and hot shunting colleague.Can also the most logical hot fluid obstructed cold flow body, be at this moment exactly simple accumulation of heat;The most logical cold flow body, is at this moment exactly simple heating;Cold and hot colleague when be exactly accumulation of heat, heating carry out simultaneously.During carrying out, pipeline fluid temperature is monitored in temperature sensor 7 at any time, according to producing needs, controls flow control valve 3 aperture by automated system, it is achieved temperature-controllable.
Above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in this utility model scope of the claims.

Claims (10)

  1. null1. the multitube distance energy-saving thermal storage device of a cold and hot shunting,Including the cylindrical tube (9) being vertically arranged、Two hemispherical heads (12) of described cylinder (9) upper and lower side it are connected to by flange (11),The cylinder end plate (15) cylinder (9) inner chamber and hemispherical head (12) inner chamber being isolated it is additionally provided with between described cylinder (9) upper and lower side and two hemispherical heads (12),It is characterized in that: be positioned on the hemispherical head (12) of described cylinder (9) upper end and be provided with hot fluid outlet ports (13),It is positioned on the hemispherical head (12) of described cylinder (9) lower end and is provided with hot fluid import (5),The inwall upper and lower side of described cylinder (9) is respectively arranged with the annular diversion trench (1) forming ring packing cavity volume with adjacent cylinder end plate (15),It is provided with cold flow body straight tube (2) of two annular diversion trench (1) of some connections the most equably along two concentric circular tracks between two annular diversion trench (1)、Cold flow body coil (4),Described cylinder (9) outer circle wall upper end is provided with the cold fluid inlet (10) of annular diversion trench (1) that connection is positioned at the inwall upper end of described cylinder (9),Outer circle wall lower end is provided with the cold fluid outlet (6) of annular diversion trench (1) that connection is positioned at the inwall lower end of described cylinder (9),The hot fluid coil (14) of two hemispherical head (12) inner chambers of some connections it is provided with equably between two cylinder end plates (15),Described hot fluid coil (14) and cold flow body straight tube (2)、Space between cold flow body coil (4) is filled with heat-storing material (8).
  2. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 1, it is characterised in that: it is provided with flow control valve (3) on described hot fluid coil (14) and cold flow body coil (4).
  3. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 2, it is characterised in that: it is provided with temperature sensor (7) on described hot fluid coil (14) and cold flow body coil (4).
  4. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 1, it is characterised in that: described cold flow body straight tube (2), hot fluid coil (14) and the straightway outer wall of cold flow body coil (4) are uniformly distributed circumferentially some fins (16) parallel with conduit axis.
  5. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 4, it is characterised in that: the minimum interval of the fin (16) on adjacent channel is not less than 20mm.
  6. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 4, it is characterised in that: the cross section of described fin (16) is curved line trangle.
  7. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 4, it is characterised in that: the surface of described fin (16) is uniformly arranged fluted (17).
  8. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 1, it is characterised in that: described heat-storing material (8) is expanded graphite.
  9. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 1, it is characterised in that: described cylinder (9) includes metal level, heat insulation layer and high-temperature-resistant layer the most successively, and described heat insulation layer uses adiabator or vacuum insulation.
  10. The multitube distance energy-saving thermal storage device of cold and hot shunting the most according to claim 1, it is characterised in that: all cold flows body straight tube (2), cold flow body coil (4) cross-sectional area sum are consistent with the cross-sectional area sum of all hot fluid coils (14).
CN201521087114.0U 2015-12-22 2015-12-22 Multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel Withdrawn - After Issue CN205425922U (en)

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CN201521087114.0U CN205425922U (en) 2015-12-22 2015-12-22 Multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel

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Application Number Priority Date Filing Date Title
CN201521087114.0U CN205425922U (en) 2015-12-22 2015-12-22 Multicell cheng jieneng heat accumulator of cold and hot reposition of redundant personnel

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105466266A (en) * 2015-12-22 2016-04-06 华南理工大学 Cold-hot diffluent multi-pipe-pass energy-saving heat accumulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105466266A (en) * 2015-12-22 2016-04-06 华南理工大学 Cold-hot diffluent multi-pipe-pass energy-saving heat accumulator
CN105466266B (en) * 2015-12-22 2018-04-13 华南理工大学 A kind of multitube distance energy-saving thermal storage device of cold and hot shunting

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