CN102710174B - Multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system - Google Patents
Multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system Download PDFInfo
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- CN102710174B CN102710174B CN201210168428.8A CN201210168428A CN102710174B CN 102710174 B CN102710174 B CN 102710174B CN 201210168428 A CN201210168428 A CN 201210168428A CN 102710174 B CN102710174 B CN 102710174B
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Abstract
The invention discloses a kind of multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system, this multistage temperature difference assembly comprises: the first heat conduction mounting panel and the second heat conduction mounting panel, and the interval that is parallel to each other is arranged, and the first heat conduction mounting panel is near heat source side; Multiple first order electrothermal module between the first heat conduction mounting panel and the second heat conduction mounting panel and the multiple second level electrothermal module away from the first heat conduction mounting panel side being positioned at the second heat conduction mounting panel; First heat conduction switch, is arranged between the first heat conduction mounting panel and the second heat conduction mounting panel, has thermal conductance and leads to the primary importance of the first heat conduction mounting panel and the second heat conduction mounting panel and the second place with the first heat conduction mounting panel and/or the second heat conduction mounting panel thermal cutoff.The present invention, by carrying out heat management to temperature-difference power generation module at different levels, enables overall heat load follow the tracks of to the full extent and mate the change of heat source temperature or density of heat flow rate.
Description
Technical field
The present invention relates to thermo-electric generation field, particularly relate to multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system.
Background technology
How increasingly violent along with the increasingly exhausted of fossil energy and terrestrial climate change, strengthen the discharge capacity of the utilance of regenerative resource, minimizing greenhouse gas, becomes a global energy problem and technological challenge.
Thermo-electric generation (thermoelectricity) technology is the migration that one utilizes microcosmic particle in semi-conductor thermoelectric material (electronics or hole), the hot-fluid that the temperature difference produces directly is changed into the technology of electric energy.This technology maturation is twentieth century fifties, and the initial stage is mainly spacecraft and field operations communication apparatus is powered, afterwards also by civil nature.
Thermal generator is only made up of solid structure, not gassiness, liquid cycle fluid, and does not have moving-member, can be made into arbitrary size and shape, be installed on the occasion of various needs.Another advantage of thermoelectric generation is to utilize low-quality thermal source, just can generate electricity as long as there is the temperature difference in theory, and simultaneous adaptation is strong, and temperature parameter changes the normal work that all can not affect thermal generator in 200 DEG C.Therefore, thermoelectric generation is expected to the waste heat recovery being widely used in power plant or chemical plant, and the utilization of the regenerative resource such as underground heat, oceanic energy, solar energy.
The efficiency of thermal generator and power are all obviously submitted to along with the raising of cold warm end temperature difference in theory, but in practice, because a kind of use warm area of thermoelectric material is limited in scope, therefore usually adopt multistage assembly, the composite component that the temperature-difference power generation module be namely made up of multiple different thermoelectric material is together in series.
At present, in industry, practice designs power match at different levels according to nominal working conditions, the more direct stacked installation of Multi-stage module that will design, process.Through research, applicant finds: the mode of stationary heat load that what the multistage temperature difference device of prior art adopted is, this mode is high efficiency for the utilization of stable thermal source, but for often periodically or the renewable thermal source such as the solar energy of change at random, the average operating efficiency of this thermal generator will decline to a great extent.
Summary of the invention
The object of the present invention is to provide a kind of multistage temperature difference assembly, to improve the operational efficiency when utilizing unstable thermal source.The present invention also aims to provide a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) and the electricity generation system with this multistage temperature difference assembly.
For this reason, according to an aspect of the present invention, provide a kind of multistage temperature difference assembly, comprising: the first heat conduction mounting panel and the second heat conduction mounting panel, the interval that is parallel to each other is arranged, and the first heat conduction mounting panel is near heat source side; Multiple first order electrothermal module between the first heat conduction mounting panel and the second heat conduction mounting panel and the multiple second level electrothermal module away from the first heat conduction mounting panel side being positioned at the second heat conduction mounting panel; First heat conduction switch, is arranged between the first heat conduction mounting panel and the second heat conduction mounting panel, has thermal conductance and leads to the primary importance of the first heat conduction mounting panel and the second heat conduction mounting panel and the second place with the first heat conduction mounting panel and/or the second heat conduction mounting panel thermal cutoff.
Further, above-mentioned multistage temperature difference assembly also comprises the first driver, drives the first heat conduction switch to switch between the first position and the second position.
Further, above-mentioned first heat conduction mounting panel and the second heat conduction mounting panel are provided with the installing hole integrally run through, first heat conduction switch is arranged in installing hole rotationally around the axis perpendicular with the plate face of the first heat conduction mounting panel, and primary importance and the second place are respectively the first turned position and the second turned position.
Further, above-mentioned first heat conduction switch comprises the first rotating shaft and first group of thermo-contact protuberance in the first rotating shaft periphery, wherein, is provided with the thermo-contact recess matched with first group of thermo-contact protuberance in the installing hole of the first heat conduction mounting panel.
Further, above-mentioned first heat conduction switch is also included in second group of thermo-contact protuberance of the first rotating shaft periphery, wherein, be provided with the thermo-contact recess matched with second group of thermo-contact protuberance in the installing hole of the second heat conduction mounting panel, the first heat conduction switch and the first heat conduction mounting panel and the second heat conduction mounting panel simultaneously heat are turned on or off.
Further, the two ends of above-mentioned first rotating shaft are respectively equipped with spring bearing.
Further, above-mentioned first driver is electromagnetic relay, and electromagnetic relay comprises electromagnet main body, is arranged in the push rod of electromagnet main body and is positioned at the card rod of push rod end, and wherein, the periphery of the first rotating shaft is provided with torsion bar, and card rod is flexibly connected with torsion bar.
Further, second group of thermo-contact protuberance that above-mentioned first heat conduction switch comprises the first rotating shaft and arranges in the first rotating shaft periphery, wherein, is provided with the thermo-contact recess matched with second group of thermo-contact protuberance in the installing hole of the second heat conduction mounting panel.
Further, above-mentioned multistage temperature difference assembly also comprises the 3rd heat conduction mounting panel of the side away from the first heat conduction mounting panel being positioned at the second heat conduction mounting panel, the third level electrothermal module being positioned at the side away from the first heat conduction mounting panel of the 3rd heat conduction mounting panel and the second heat conduction switch, wherein, second heat conduction switch and the first heat conduction switch all the time thermal conductance lead to, and with the 3rd heat conduction mounting panel selective thermal conducting.
Further, above-mentioned 3rd heat conduction mounting panel is provided with installing hole, installing hole one on the installing hole of the installing hole on the 3rd heat conduction mounting panel and the first heat conduction mounting panel and the second heat conduction mounting panel is through, second heat conduction switch is arranged in installing hole rotationally around the axis perpendicular with the plate face of the first heat conduction mounting panel, and the second heat conduction switch has the 3rd turned position that leads to the 3rd heat conduction mounting panel thermal conductance and disconnects the 4th logical turned position of thermal conductance with the 3rd heat conduction mounting panel.
Further, the 3rd group of thermo-contact protuberance that above-mentioned second heat conduction switch comprises the second rotating shaft and arranges in the second rotating shaft periphery, wherein, is provided with the thermo-contact recess matched with the 3rd group of thermo-contact protuberance in the installing hole of the 3rd heat conduction mounting panel.
Further, above-mentioned multistage temperature difference assembly also comprises the second driver that driving second heat conduction switch switches between the 3rd turned position and the 4th turned position.
Further, above-mentioned multiple first order electrothermal module and multiple second level electrothermal module are arranged in around installing hole centered by installing hole.
According to a further aspect in the invention, provide a kind of multistage temperature difference device, comprise base plate, near heat source side top board, between top board and base plate according to multistage temperature difference assembly described above and multistage temperature difference assembly periphery arrange insulated side wall.
Present invention also offers a kind of multistage temperature difference system, comprising: according to multistage temperature difference device described above; Temperature-detecting device, detects the temperature of the top board of the heat source side of multistage temperature difference device; Controller, is connected with the actuator electrical of temperature-detecting device and multistage temperature difference device, according to the action of the first heat conduction switch of the multistage temperature difference assembly in the temperature control multistage temperature difference device that temperature-detecting device detects.
The present invention, by carrying out heat management to temperature-difference power generation module at different levels, namely changes the access state of temperature-difference power generation module at different levels in real time by heat conduction switch, thus enables overall heat load follow the tracks of to the full extent and mate the change of heat source temperature or density of heat flow rate.
Except object described above, feature and advantage, other object, feature and advantage that the present invention has, will be described in further detail by reference to the accompanying drawings.
Accompanying drawing explanation
Forming the part of this specification, showing the preferred embodiments of the present invention for understanding accompanying drawing of the present invention further, and be used for principle of the present invention is described together with specification.In figure:
Fig. 1 is the schematic diagram of multistage temperature difference assembly according to a first embodiment of the present invention;
Fig. 2 is the schematic diagram of multistage temperature difference assembly according to the present invention after the second heat conduction mounting panel removes, and wherein, heat conduction switch and the first heat conduction mounting panel are in hot conducting state;
Fig. 3 is the schematic diagram of multistage temperature difference assembly according to the present invention after the second heat conduction mounting panel removes, and wherein, heat conduction switch and the first heat conduction mounting panel are in off-state;
Fig. 4 is according to the structural representation of multistage temperature difference assembly of the present invention after heat conduction switch removes;
Fig. 5 is the plane figure of the assembly of multistage temperature difference shown in Fig. 4;
Fig. 6 is the structural representation according to heat conduction switch of the present invention;
Fig. 7 is the plan structure schematic diagram of the heat conduction switch shown in Fig. 6;
Fig. 8 is the structural representation according to multistage temperature difference device of the present invention;
Fig. 9 is the schematic layout pattern of the driver according to heat conduction switch of the present invention;
Figure 10 is the structural representation of multistage temperature difference assembly after conductive switch removes according to a second embodiment of the present invention;
Figure 11 is the structural representation of the heat conduction switch suitable with the assembly of multistage temperature difference shown in Figure 10; And
Figure 12 is the schematic diagram according to multistage temperature difference system of the present invention.
Description of reference numerals
10 multistage temperature difference assembly 11 first heat conduction mounting panels
12 second heat conduction mounting panel 13 installing holes
14 first order electrothermal module 15 second level electrothermal modules
16 first heat conduction switch 17 electromagnetic relays
18 base plate 19 top boards
21 insulated side wall 22 spring bearings
23 heat insulating mattresss 24 the 3rd heat conduction mounting panel
25 third level electrothermal module 26 second heat conduction switches
100 multistage temperature difference devices
200 temperature-detecting device 300 controllers
161 first rotating shaft 162 first groups thermo-contact protuberances
163 second groups of thermo-contact protuberance 164 torsion bars
165 thermal interface material layer 171 electromagnet main bodys
172 push rod 173 card rods
261 second rotating shaft 262 the 3rd group thermo-contact protuberances
111/121/241 thermo-contact recess 13a/13b/13c installing hole.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Fig. 1 to Fig. 3 is the schematic diagram of multistage temperature difference assembly according to a first embodiment of the present invention, as shown in Figure 1 to Figure 3, multistage temperature difference assembly 10 comprises: the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12, be parallel to each other interval setting, wherein, first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 are provided with installing hole 13, the first heat conduction mounting panel 11 that integrally runs through near heat source side; Multiple first order electrothermal modules 14 between the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 and the multiple second level electrothermal module 15 be positioned at outside the second heat conduction mounting panel 11; First heat conduction switch 16, be arranged on rotationally in installing hole 13 around the axis perpendicular with the plate face of the first heat conduction mounting panel 11, there is thermal conductance and lead to the first turned position of the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 and disconnect the second logical turned position of thermal conductance; And driver (illustrating in figs. 8 and 9), drive the first heat conduction switch 16 to switch between the first turned position and the second turned position.
The first heat conduction switch 16 that the present invention can hot be turned on or off between the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 by one, realize short circuit and the disconnection of first order electrothermal module 14, thus there is the ability changing the access state of heat load at different levels according to the temperature of thermal source and the change of density of heat flow rate in real time.
Fig. 4 and Fig. 5 is according to the structural representation of multistage temperature difference assembly of the present invention after heat conduction switch removes.As shown in Figure 4 and Figure 5, multiple first order electrothermal module 14 and multiple second level electrothermal module 15 are the surrounding of central array at installing hole 13 with installing hole 13.
In other embodiments, the position of installing hole 13 region and size can adjust as required.
Fig. 6 and Fig. 7 is the structural representation according to heat conduction switch of the present invention.As shown in Figure 6 and Figure 7, the first heat conduction switch 16 comprises rotating shaft 161, is positioned at first group of thermo-contact protuberance 162 of rotating shaft periphery and second group of thermo-contact protuberance 163.Wherein, the thermo-contact recess 111 matched with first group of thermo-contact protuberance 162 is provided with in the installing hole 13a of the first heat conduction mounting panel 11.The thermo-contact recess 121 matched with second group of thermo-contact protuberance 163 is provided with in the installing hole 13b of the second heat conduction mounting panel 12.
Wherein, the position of first group of thermo-contact protuberance 162 and second group of thermo-contact protuberance 163 meets: the while of the first heat conduction switch 16 and the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12, heat is turned on or off.
Preferably, first group of thermo-contact protuberance 162 and thermo-contact recess 111 have thermal interface material layer 165, to ensure closely cooperating and good thermo-contact of each thermo-contact protuberance and thermo-contact recess, possess wear-resistant, high temperature resistance, oxidation resistance simultaneously, the high temperature heat-resistant boundary material that such as cast iron, pottery etc. are general can be used, the soft high thermal conducting material such as graphite, red copper also can be used to be processed into.Preferably, at the contact site coating silicone grease of first group of thermo-contact protuberance 162 and thermo-contact recess 111, to increase the heat conductivility between first group of thermo-contact protuberance 162 and thermo-contact recess 111.
When rotation first heat conduction switch, make first group of thermo-contact protuberance and second group of thermo-contact protuberance and corresponding thermo-contact concave portion from time, hot-fluid is along the first heat conduction mounting panel, first order electrothermal module, second heat conduction mounting panel, the order of second level electrothermal module is passed through successively, two modules all externally power output, when first group of thermo-contact protuberance and second group of thermo-contact protuberance close with corresponding thermo-contact concave point, because the thermal conductivity of the first heat conduction switch is very low, first order electrothermal module is by hot short circuit, hot-fluid will along the first heat conduction mounting panel, first heat conduction switch, second heat conduction mounting panel, second level electrothermal module sequential flowing, only there is the external power output of second level electrothermal module.
When heat source temperature is higher, heat flow is larger, the first heat conduction switch 16 is placed in disconnect hot conducting state, now, first order electrothermal module and second level electrothermal module all in running order; When the temperature of thermal source is lower, heat flow is less, the first heat conduction switch 16 is placed in hot conducting state, now, the hot short circuit of first order electrothermal module, quits work, the optimization being conducive to temperature range distributes and can reduce interior resistance, thus raises the efficiency.
In the present embodiment, first group of thermo-contact protuberance 162 and second group of thermo-contact protuberance 163 comprise 4 thermo-contact protuberances 111 uniform in rotating shaft periphery respectively.When shaft swing 45 °, the first heat conduction switch switches between hot conducting state and off-state.
In other embodiments, the quantity of first group of thermo-contact protuberance 162 and second group of thermo-contact protuberance 163 is respectively 3.When shaft swing 60 °, the first heat conduction switch 16 switches between hot conducting state and off-state.In another other embodiments, the quantity of first group of thermo-contact protuberance 162 and second group of thermo-contact protuberance 163 is respectively 2, and now when axis of rotation 90 °, the first heat conduction switch 16 switches between hot conducting state and off-state.
In other embodiments another, the quantity of first group of thermo-contact protuberance 162 and second group of thermo-contact protuberance 163 is respectively 1, and now when axis of rotation 180 °, the first heat conduction switch 16 switches between hot conducting state and off-state.
In the above-described embodiments, the first heat conduction switch 16 and the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 simultaneously heat be turned on or off.In other embodiments, one in both the first heat conduction switch and the first heat conduction mounting panel or the second heat conduction mounting panel remains that thermal conductance is led to, with another optionally heat be turned on or off.
In the present invention, the temperature range that the temperature that first order electrothermal module adapts to adapts to than second level electrothermal module is high, and the temperature range that the temperature range that such as first order electrothermal module adapts to is 200 ~ 150 DEG C, second level electrothermal module adapts to is 150 ~ 100 DEG C.
Fig. 8 is according to the structural representation with the Blast Furnace Top Gas Recovery Turbine Unit (TRT) of multistage temperature difference assembly of the present invention.As shown in Figure 8, Blast Furnace Top Gas Recovery Turbine Unit (TRT) 100 comprises base plate 18, near the top board 19 of heat source side, multistage temperature difference assembly 10 and the insulated side wall 21 that arranges in base plate 18, top board 19 and multistage temperature difference assembly 10 surrounding.
In the present embodiment, the two ends of the first heat conduction switch 16 have spring bearing 22 respectively, to increase the flexibility of the first heat conduction switch 16 around own axis.The position of top board and base plate being installed spring bearing 22 is provided with heat insulating mattress 23.
In other embodiments, the two ends of the first heat conduction switch 16 are respectively conical head, and top board and base plate are respectively equipped with heat insulation, and heat insulation is provided with the pit with conical head location fit.So that the first heat conduction switch 16 can freely rotate.Certainly, the position of this conical head and pit also can exchange.
First heat conduction switch, base plate, the first heat conduction mounting panel, the second heat conduction mounting panel, top board are by high thermal conductivity material, and the materials processings such as such as copper, aluminium, aluminium nitride are made.When the first heat conduction switch is in hot conducting state, thermal resistance is less than 1/100 of any one-level electrothermal module entire thermal resistance, can ensure effective hot short circuit like this.
Heat insulating mattress and insulated side wall preferably adopt the thermal conductivities such as glass fibre-foil laminated film to make lower than the material of 0.1W/mk.
Fig. 9 is the schematic layout pattern of the driver according to heat conduction switch of the present invention.As shown in Figure 9, first driver is electromagnetic relay 17, electromagnetic relay 17 comprises electromagnet main body 171, is arranged in the push rod 172 of electromagnet main body 171 and is positioned at the card rod 173 of push rod 172 end, wherein, the periphery of rotating shaft 161 is provided with torsion bar 164, and card rod 173 is flexibly connected with torsion bar 164.
In other embodiments, push rod forms tooth bar, formative gear in rotating shaft, define rack geared pair between push rod and rotating shaft, with the stretching motion by fork, drive shaft is rotated, now, the angle of shaft swing can strengthen, such as 90 ° or 180 °.
In the various embodiments described above according to the present invention, first heat conduction switch rotates in installing hole, realize leading to or thermal cutoff with the thermal conductance of the first heat conduction mounting panel and the second heat conduction mounting panel, in other embodiments, first heat conduction switch moves up and down in the direction perpendicular with the first heat conduction mounting panel, and the thermal conductance achieving the first heat conduction mounting panel and the second heat conduction mounting panel is led to or thermal cutoff.
The present invention is not only suitable for secondary electrothermal module, and the electricity generation module of more than three grades or three grades also can use.Below the thermo-electric generation assembly of three grades of electricity generation modules is described in detail.
Figure 10 is the structural representation of multistage temperature difference assembly after conductive switch removes according to a second embodiment of the present invention.As shown in Figure 10, in the present embodiment, multistage temperature difference assembly also comprises and is positioned at the 3rd heat conduction mounting panel 24 outside the second heat conduction mounting panel 12, is positioned at third level electrothermal module 25 outside the 3rd heat conduction mounting panel 24 and the second heat conduction switch 26, wherein, second heat conduction switch 26 and the first heat conduction switch 16 all the time thermal conductance lead to, and with the 3rd heat conduction mounting panel 24 selective thermal conducting.
Preferably, 3rd heat conduction mounting panel 24 is provided with installing hole 13c, installing hole 13a, 13b one on installing hole 13c on 3rd heat conduction mounting panel 24 and the first heat conduction mounting panel 11 and the second heat conduction mounting panel 12 is through, second heat conduction switch 26 is arranged in installing hole rotationally around the axis perpendicular with the plate face of the first heat conduction mounting panel, and the second heat conduction switch 26 has the 3rd turned position that leads to the 3rd heat conduction mounting panel 24 thermal conductance and disconnects the 4th logical turned position of thermal conductance with the 3rd heat conduction mounting panel 24.
In the present embodiment, three kinds of mode of operations are achieved: the first order, the second level and third level electrothermal module work simultaneously; The second level and third level electrothermal module work simultaneously; Third level electrothermal module works independently.
Figure 11 is the structural representation of the heat conduction switch suitable with the assembly of multistage temperature difference shown in Figure 10.As shown in figure 11, the 3rd group of thermo-contact protuberance 262 that second heat conduction switch 26 comprises rotating shaft 261 and arranges in rotating shaft 261 periphery, wherein, the thermo-contact recess 241 matched with the 3rd group of thermo-contact protuberance 262 is provided with in the installing hole 13c of the 3rd heat conduction mounting panel 24.Preferably, the rotating shaft 261 of the second heat conduction switch 26 and the rotating shaft 161 of the first heat conduction switch 16 form tube-in-tube structure.
This second heat conduction switch 26 is driven separately by another driver, and this driver preferably also adopts electromagnetic relay, and the structure of this electromagnetic relay can be identical with the structure of the first heat conduction switch 26, and in this not go into detail.
Figure 12 is the schematic diagram according to multistage temperature difference system of the present invention.As shown in figure 12, multistage temperature difference system comprises: multistage temperature difference device 100; Detect the temperature-detecting device 200 of the top board temperature of multiple temperature difference electricity generation device heat source side; And the controller 300 to be connected with the actuator electrical of temperature-detecting device 200 and multiple temperature difference electricity generation device 100, the action of control and drive system is carried out according to the variations in temperature of top board.
Temperature-detecting device 200 such as thermocouple detects the variations in temperature of top board.Controller calculates according to the electricity of module at different levels, thermal parameters and judges this grade of module whether at the temperature threshold of work.The heat controlling electrothermal module at different levels according to the change of top board temperature when moving is turned on or off, thus plays the maximized object of overall efficiency.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. a multistage temperature difference assembly, is characterized in that, comprising:
First heat conduction mounting panel (11) and the second heat conduction mounting panel (12), the interval that is parallel to each other is arranged, and described first heat conduction mounting panel (11) is near heat source side;
Be positioned at the multiple first order electrothermal module (14) between described first heat conduction mounting panel (11) and the second heat conduction mounting panel (12) and be positioned at multiple second level electrothermal module (15) away from described first heat conduction mounting panel (11) side of described second heat conduction mounting panel (12);
First heat conduction switch (16), be arranged between described first heat conduction mounting panel (11) and the second heat conduction mounting panel (12), there is thermal conductance and lead to the primary importance of described first heat conduction mounting panel (11) and described second heat conduction mounting panel (12) and the second place with described first heat conduction mounting panel (11) and/or the second heat conduction mounting panel (12) thermal cutoff.
2. multistage temperature difference assembly according to claim 1, is characterized in that, also comprises the first driver, drives described first heat conduction switch (16) to switch between the first position and the second position.
3. multistage temperature difference assembly according to claim 2, it is characterized in that, described first heat conduction mounting panel (11) and the second heat conduction mounting panel (12) are provided with the installing hole (13) integrally run through, described first heat conduction switch (16) is arranged in described installing hole (13) around the axis perpendicular with the plate face of described first heat conduction mounting panel (11) rotationally, and described primary importance and the second place are respectively the first turned position and the second turned position.
4. multistage temperature difference assembly according to claim 3, it is characterized in that, described first heat conduction switch (16) comprises the first rotating shaft (161) and first group of thermo-contact protuberance (162) in described first rotating shaft (161) periphery, wherein, the thermo-contact recess (111) matched with described first group of thermo-contact protuberance (162) is provided with in the installing hole (13a) of described first heat conduction mounting panel (11).
5. multistage temperature difference assembly according to claim 4, it is characterized in that, described first heat conduction switch (16) is also included in second group of thermo-contact protuberance (163) of described first rotating shaft (161) periphery, wherein, be provided with the thermo-contact recess (121) matched with second group of thermo-contact protuberance (163) in the installing hole (13b) of described second heat conduction mounting panel (12), the while of described first heat conduction switch (16) and described first heat conduction mounting panel (11) and the second heat conduction mounting panel (12), heat is turned on or off.
6. multistage temperature difference assembly according to claim 4, is characterized in that, the two ends of described first rotating shaft (161) are respectively equipped with spring bearing (22).
7. multistage temperature difference assembly according to claim 4, it is characterized in that, described first driver is electromagnetic relay (17), described electromagnetic relay (17) comprises electromagnet main body (171), is arranged in the push rod (172) of electromagnet main body (171) and is positioned at the card rod (173) of described push rod (172) end, wherein, the periphery of described first rotating shaft (161) is provided with torsion bar (164), and described card rod (173) is flexibly connected with described torsion bar (164).
8. multistage temperature difference assembly according to claim 3, it is characterized in that, second group of thermo-contact protuberance (163) that described first heat conduction switch (16) comprises the first rotating shaft (161) and arranges in described first rotating shaft (161) periphery, wherein, the thermo-contact recess (121) matched with described second group of thermo-contact protuberance (163) is provided with in the installing hole (13b) of described second heat conduction mounting panel (12).
9. multistage temperature difference assembly according to claim 4, it is characterized in that, also comprise the 3rd heat conduction mounting panel (24) of the side away from described first heat conduction mounting panel (11) being positioned at described second heat conduction mounting panel (12), be positioned at the third level electrothermal module (25) of the side away from described first heat conduction mounting panel (11) of described 3rd heat conduction mounting panel (24), and the second heat conduction switch (26), wherein, described second heat conduction switch (26) and described first heat conduction switch (16) all the time thermal conductance lead to, and with described 3rd heat conduction mounting panel (24) selective thermal conducting.
10. multistage temperature difference assembly according to claim 9, it is characterized in that, described 3rd heat conduction mounting panel (24) is provided with installing hole (13c), installing hole (13b) on the installing hole (13a) of the installing hole (13c) on described 3rd heat conduction mounting panel (24) and described first heat conduction mounting panel (11) and the second heat conduction mounting panel (12) is integrally through, described second heat conduction switch (26) is arranged in described installing hole (13) around the axis perpendicular with the plate face of described first heat conduction mounting panel (11) rotationally, described second heat conduction switch (26) has three turned position logical with described 3rd heat conduction mounting panel (24) thermal conductance and disconnects the 4th logical turned position of thermal conductance with described 3rd heat conduction mounting panel (24).
11. multistage temperature difference assemblies according to claim 10, it is characterized in that, the 3rd group of thermo-contact protuberance (263) that described second heat conduction switch (26) comprises the second rotating shaft (261) and arranges in described second rotating shaft (261) periphery, wherein, the thermo-contact recess (241) matched with described 3rd group of thermo-contact protuberance (263) is provided with in the installing hole (13c) of described 3rd heat conduction mounting panel (24).
12. multistage temperature difference assemblies according to claim 11, is characterized in that, also comprise the second driver driving described second heat conduction switch (26) to switch between described 3rd turned position and the 4th turned position.
13. multistage temperature difference assemblies according to claim 3, it is characterized in that, described multiple first order electrothermal modules (14) and multiple second level electrothermal module (15) are arranged in described installing hole (13) around centered by described installing hole (13).
14. 1 kinds of multistage temperature difference devices, it is characterized in that, comprise base plate (18), near the top board (19) of heat source side, the multistage temperature difference assembly (10) according to any one of claim 1 to 13 between described top board (19) and base plate (18) and the insulated side wall (21) in the setting of described multistage temperature difference assembly (10) periphery.
15. 1 kinds of multistage temperature difference systems, is characterized in that, comprising:
Multistage temperature difference device (100) according to claim 14;
Temperature-detecting device (200), detects the temperature of the top board (19) of the heat source side of described multistage temperature difference device (100);
Controller (300), be connected with the actuator electrical of described temperature-detecting device (200) and multistage temperature difference device (100), the temperature detected according to described temperature-detecting device (200) controls the action of the first heat conduction switch (16) of the multistage temperature difference assembly (10) in described multistage temperature difference device (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168428.8A CN102710174B (en) | 2012-05-25 | 2012-05-25 | Multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210168428.8A CN102710174B (en) | 2012-05-25 | 2012-05-25 | Multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102710174A CN102710174A (en) | 2012-10-03 |
| CN102710174B true CN102710174B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210168428.8A Active CN102710174B (en) | 2012-05-25 | 2012-05-25 | Multistage temperature difference assembly, Blast Furnace Top Gas Recovery Turbine Unit (TRT) and electricity generation system |
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| CN109302100A (en) * | 2018-11-22 | 2019-02-01 | 欧家成 | A kind of temperature difference electricity generation device and accumulating system |
| CN113300634B (en) * | 2021-05-08 | 2022-06-21 | 江苏大学 | Two-stage thermoelectric power generation waste heat recovery device based on heat pipe heat transfer |
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| CN1714261A (en) * | 2002-08-23 | 2005-12-28 | Bsst有限责任公司 | High power density thermoelectric systems |
| CN102201530A (en) * | 2010-03-26 | 2011-09-28 | 松下电器产业株式会社 | Thermoelectric conversion device |
| CN202679280U (en) * | 2012-05-25 | 2013-01-16 | 中国华能集团清洁能源技术研究院有限公司 | Multistage thermoelectric generation assembly, generation apparatus and power generation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1714261A (en) * | 2002-08-23 | 2005-12-28 | Bsst有限责任公司 | High power density thermoelectric systems |
| CN102201530A (en) * | 2010-03-26 | 2011-09-28 | 松下电器产业株式会社 | Thermoelectric conversion device |
| CN202679280U (en) * | 2012-05-25 | 2013-01-16 | 中国华能集团清洁能源技术研究院有限公司 | Multistage thermoelectric generation assembly, generation apparatus and power generation system |
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