CN105758200B - Waste heat recycling system with variable spacing between heat pipes - Google Patents
Waste heat recycling system with variable spacing between heat pipes Download PDFInfo
- Publication number
- CN105758200B CN105758200B CN201610144460.0A CN201610144460A CN105758200B CN 105758200 B CN105758200 B CN 105758200B CN 201610144460 A CN201610144460 A CN 201610144460A CN 105758200 B CN105758200 B CN 105758200B
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- Prior art keywords
- heat pipe
- heat
- grog
- passage
- evaporation ends
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a heat pipe waste heat recycling system. The heat pipe waste heat recycling system comprises a heating device and heat pipes, wherein the heating device comprises a clinker passage, the heat pipes absorb heat energy in the clinker passage, and the spacing between every two adjacent heat pipes is gradually increased along the transportation direction of the clinker in the clinker passage. By utilizing the variable spacing between the heat pipes, the waste heat utilization efficiency can be greatly increased.
Description
Technical field
The present invention relates to a kind of residual neat recovering system, more particularly, to the grate cooler heat recovery system in manufacture of cement
System, belongs to the field of heat exchangers of F27D UTILIZATION OF VESIDUAL HEAT INs, F28D.
Background technology
Grate cooler (abbreviation grate-cooler), is a kind of capital equipment in cement production process.Its basic function includes：
(1) appropriate clinker cooling speed is provided, to improve the grindability of cement quality and grog；(2) as far as possible improve secondary wind and
Tertiary air temperature, as combustion air, reduces firing system fuel consumption；(3) by remaining Hot-blast Heating, for cogeneration and coal
Mill drying；(4) grog is crushed and is cooled to alap temperature, to meet clinker conveyor, storage and cement grinding
Requirement.Grate plate and grate structure are the most important parts of grate-cooler, and it determines the thickness of feed layer of grate, determines air feed again
System and heat recovery efficiency, one, two, three, four generation grate-cooler products are mainly manifested in the improvement of the structure of grate plate and grate.
The basic structure for commonly using forth generation grate-cooler in manufacture of cement is as shown in Figure 1：Grate-cooler 4 includes kiln head cover 2, cooling
Machine shell 3, high warm air outlet 5, low temperature wind outlet 6, grog outlet 7 and blower fan 8, wherein grog enter cooling from rotary kiln 1
Machine 4, is then transmitted in the transmission channel in grate-cooler 4, and blower fan 8 is blown in grate-cooler 4, is reduced by wind
The temperature of grog, so as to carry out clinker cooling in transmitting procedure, the grog after cooling is exported by grog outlet 7.
For grate cooler, prior art proposes residual-heat utilization technology, such as disclose one in CN105066722A documents
Grate cooler residual neat recovering system is planted, the sensible heat that grog is discharged during very fast cooling in cooler can either be fully absorbed, reduce ton
Grog energy consumption, can effectively lift the quantity of UTILIZATION OF VESIDUAL HEAT IN electricity again.
But the residual neat recovering system in CN105066722A documents is, using common heat exchanger tube, to cause waste heat recovery to be imitated
Rate is relatively low, and for this kind of situation, the present invention proposes a kind of new residual neat recovering system.
The content of the invention
The present invention is for subject matter present in prior art, it is proposed that a kind of new heat pipe residual neat recovering system.
To achieve these goals, technical scheme is as follows：A kind of heat pipe residual neat recovering system, sets including heating
Standby, heat pipe, the heat-producing device include grog passage, and heat pipe absorbs the heat energy in grog passage, it is characterised in that along grog
The distance between the direction of the transport of grog in passage, adjacent heat pipe constantly become big.
Preferably, along the direction of the transport of grog, the distance between adjacent heat pipe constantly becomes big amplitude increasingly
Greatly.
Preferably, including shell, insulation material is set between the shell and grog passage, the heat pipe includes evaporation ends
And condensation end, the heat pipe evaporation ends are arranged in insulation material.
Preferably, the heat-producing device is grate cooler.
Preferably, the cross section of described heat pipe evaporation ends is rectangle.
Preferably, inner fin is set inside the heat pipe evaporation ends, and the inner fin connection is rectangular diagonal, described interior
Inside heat pipe is divided into multiple passage aisles by fin, arranges intercommunicating pore on inner fin, so that adjacent passage aisle communicates with each other.
Preferably, the cross section of heat pipe evaporation ends is square, a length of L of the foursquare inner edge, and the intercommunicating pore is
Circle, the radius r of intercommunicating pore, on the same fin, the distance between adjacent intercommunicating pore center of circle is l, meets following relation：
L/L*10=a*ln (r/L*10)+b；
Wherein ln is logarithmic function, and a, b are parameters, 1.5<a<1.6,2.9<b<3.0；
0.34<l/L<0.38；
0.14<r/L<0.17；
30mm<L<120mm；
5mm<r<17mm。
Preferably, 15mm<l<45mm.
Compared with prior art, residual neat recovering system of the present invention has the following advantages：
1) change of the spacing by using heat pipe of the invention, can greatly improve utilization rate of waste heat.
2) the invention provides a kind of new residual neat recovering system, replaces common heat exchanger tube, greatly by using heat pipe
Big improves waste heat recovery effect, and is applied in grate cooler, can either fully absorb grog pole in cooler
Quickly cooling but when the sensible heat that discharges, grog outlet temperature is reduced to 100 DEG C or so, reduces grog energy consumption, can effectively lift waste heat again
Utilization.
3) present invention is arranged on heat pipe in insulation material, and the air-flow of passage high temperature can be avoided directly to wash away heat pipe,
Avoid heat pipe booster or damage because of washing away for high temperature.
4) by intercommunicating pore being opened up inside heat pipe evaporation ends, while ensureing to improve heat exchange efficiency, reduce heat pipe
Interior flow resistance.
5) by the rule change of the area of the intercommunicating pore in heat pipe, the Heat-collecting effect being optimal and flow resistance.
6) present invention, is obtained in the case where ensureing that heat exchange amount is maximum and flow resistance satisfaction is required by test of many times
To the optimum results of an optimum heat pipe evaporation end structure, and by being verified, so as to demonstrate result
Accuracy.
Description of the drawings
Fig. 1 is the structural representation of prior art grate-cooler；
Fig. 2 is the structural representation of heat pipe residual neat recovering system；
Fig. 3 is the structural representation of the pre- heat recovery system of heat pipe stagger arrangement distribution；
Fig. 4 is heat pipe evaporation ends cross-sectional structure schematic diagram of the present invention；
Fig. 5 is heat pipe evaporation ends inner fin intercommunicating pore distribution schematic diagram of the present invention；
Fig. 6 is heat pipe inner fin intercommunicating pore stagger arrangement distribution schematic diagram of the present invention；
Fig. 7 is square dimensions schematic diagram in heat pipe of the present invention；
Reference is as follows：
1st, rotary kiln, 2, kiln head cover, 3, shell, 4, grate-cooler, 5, the outlet of high warm air, 6, the outlet of low temperature wind, 7, grog goes out
Mouthful, 8, blower fan, 9, grog passage, 10, insulation material, 11, heat pipe, 12 inner fins, 13 intercommunicating pores, 14 passage aisles
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in detail.
A kind of heat pipe residual neat recovering system, including heat-producing device (providing the equipment of waste heat), heat pipe 1, the heating sets
It is standby to include shell, passage, insulation material is set between the shell and passage, the heat pipe 11 includes evaporation ends and condensation end,
11 evaporation ends of the heat pipe are arranged in insulation material.
The present invention is used as waste heat recovery pipe by arranging heat pipe, relative to common heat exchanger tube, can greatly improve hot suction
Produce effects rate.
Preferably, the heat-producing device is grate cooler 4, for example, as shown in Figure 1.
Fig. 1 illustrates preferred manufacture of cement grate-cooler 4, and grate-cooler 4 includes kiln head cover 2, grate-cooler shell 3, high warm air
Outlet 5, low temperature wind outlet 6, grog outlet 7 and blower fan 8, wherein grog enter grate-cooler 4 from rotary kiln 1, then in cooling
It is transmitted in grog passage 9 in machine 4, blower fan 8 is blown in grate-cooler 4, reduces the temperature of grog by wind, from
And clinker cooling is carried out in transmitting procedure, the grog after cooling is exported by grog outlet 7.
Grog from rotary kiln 1 is transported in grate-cooler grog passage 9, and the wind conveyed by blower fan is cooled down, institute
Setting insulation material 10 between shell 3 and grog passage 9 is stated, as shown in Fig. 2 heat pipe 11 is set in insulation material 10, wherein
The evaporation ends of heat pipe 11 are arranged in insulation material.Grog passage transfers heat to insulation material, then by insulation material
Heat pipe evaporation ends are passed to again, are then passed to condensation end of heat pipe.
Preferably, arranging adiabatic end between heat pipe evaporation ends and condensation end.
Preferably, heat pipe condenser section is arranged in the air passageway, to heat into the air in cement rotary kiln.
Certainly, the blower fan in Fig. 1 is only schematic diagram, and blower fan transports cooling wind and blown along grog channel bottom upwards, with
Grog in cooling grog passage.
Why heat pipe is set in insulation material, and main cause is to find in operation, from grog export out it is ripe
Material temperature spends height, and so as to affect the quality of finished cement, and it is too high to also result in the energy consumption in cement production process, therefore passes through
Waste heat recovery apparatus are set come the heat in reclaiming Cement Cold but, the energy consumption of manufacture of cement is further reduced, finished cement is improved
Quality.
Preferably, insulation material 4 is insulating brick.
Preferably, having insulation material 10 between the heat pipe 11 and grog passage.As shown in Fig. 2 in 11 He of heat pipe
Between grog passage, insulating brick is set.Why insulation material is set, during main cause avoids heat pipe 11 and grog passage
High-temperature flue gas directly contact is directly washed away by high-temperature flue gas, causes waste heat recovery apparatus temperature too high, or directly washes away
It is easily damaged, it is also possible to avoid the heat-exchanging tube bundle in waste heat recovery apparatus because high temperature and washing away and causing booster.
Preferably, the cross section of heat pipe evaporation ends is rectangle.
Preferably, arranging inner fin 12 inside the heat pipe evaporation ends, the inner fin 12 connects rectangular diagonal,
As shown in Figure 3.The inner fin 12 will be divided into multiple passage aisles 14 inside heat pipe 11, arrange intercommunicating pore 13 on inner fin, from
And make adjacent passage aisle 14 communicate with each other.
By arranging inner fin 12, multiple passage aisles 14 inside 11 evaporation ends of heat pipe, will be divided into, further augmentation of heat transfer, but
It is the pressure increase of corresponding flow of fluid.By arranging intercommunicating pore 13, it is ensured that the connection between adjacent passage aisle 14, so as to
The fluid in passage aisle for alloing pressure big flows into the little passage aisle of neighbouring pressure, and the inside for solving condensation end is each
The problem that 14 pressure of individual passage aisle is uneven and local pressure is excessive, so that promote abundant stream of the fluid in heat exchanger channels
It is dynamic, while by the setting of intercommunicating pore 13, also reduce the pressure of inside heat pipe, improve heat exchange efficiency, while also improving
The service life of heat pipe.
Preferably, in heat pipe evaporation ends, along in heat pipe 11, the flow direction of fluid is (along evaporation ends to condensation end side
To), the area of the intercommunicating pore 13 constantly increases.
Described intercommunicating pore 13 is circular configuration, and along in heat pipe 11, the flow direction of fluid is (along evaporation ends to condensation
Extreme direction), the radius of the circular configuration constantly increases.
Because the flow direction of fluid along in heat pipe 11, the fluid in heat pipe 11 constantly even evaporate by heat absorption, therefore
So that the pressure of heat pipe constantly increases, and because the presence of intercommunicating pore 13 so that the pressure distribution inside heat pipe 11 is more next
It is more uniform, therefore the area needs of intercommunicating pore are very big, constantly become greatly by arranging, so that ensureing inside heat pipe pressure
In the case of uniform pressure, heat exchange area is increased by the change of connection hole area, so as to improve heat exchange efficiency.
Preferably, in heat pipe evaporation ends, the flow direction of fluid along in heat pipe 11, the area of the intercommunicating pore 13 are continuous
The amplitude of increase be continuously increased.By being arranged such, and meet the Changing Pattern of flowing pressure, further reduce flowing resistance
While power, heat exchange efficiency is improved.By being arranged such, by being that experiment finds to improve 9% or so heat exchange efficiency, together
When resistance be held essentially constant.
Preferably, along the flow direction of fluid in heat pipe 11, the distributed quantity of intercommunicating pore 13 is more and more, further excellent
Choosing, the amplitude that the connection hole number constantly increases are continuously increased.
It is identical by the Distribution Principle of above-mentioned quantity and area reduction principle, compared with connection hole number is identical, lead to
Cross distributed number to reduce circulation area.
Find in actual experiment, the area of intercommunicating pore 13 can not be too small, it is too small if can cause the increase of flow resistance,
So as to the decrease for causing to exchange heat, the area of intercommunicating pore 13 can not be excessive, and area is excessive, can cause the reduction of heat exchange area, so as to
Reduce heat transfer effect.Equally, the cross-sectional area of heat pipe 11 can not be excessive, excessive to cause what is be distributed in tube plate structure unit length to change
Heat pipe is very few, again results in heat transfer effect variation, and heat pipe flow area can not be too small, too small that flow resistance can be caused to increase,
So as to cause heat transfer effect to be deteriorated.Therefore intercommunicating pore 13 must with the distance between heat pipe cross-sectional area and its adjacent intercommunicating pore 13
Must meet certain requirements.
Therefore, the present invention is the thousands of numerical simulations by multiple various sizes of heat collectors and test data,
Meet in the case of industrial requirements pressure-bearing (below 10MPa), in the case where maximum heat exchange amount is realized, the optimal heat pipe for summing up
Dimensionally-optimised relation.
It is carry out under square dimensionally-optimised that the present invention is heat pipe evaporation ends cross section.
Described foursquare interior the length of side (the i.e. foursquare outer length of side deducts wall thickness) be L, the radius r of the intercommunicating pore, institute
It is l to state the distance between intercommunicating pore adjacent on same fin, meets following relation：
L/L*10=a*ln (r/L*10)+b；
Wherein ln is logarithmic function, and a, b are parameters, 1.5<a<1.6,2.9<b<3.0；
0.34<l/L<0.38；
0.14<r/L<0.17；
30mm<L<120mm；
5mm<r<17mm。
Wherein, l is equal to the distance between 13 center of circle of adjacent intercommunicating pore.Left and right as shown in Figure 4,5 is adjacent and neighbouring
The distance between the intercommunicating pore center of circle.
Further preferably, 15mm<l<45mm.
Preferably, with the increase of r/L, described a, b increase.
Preferably, a=1.57, b=2.93.
Preferably, as shown in Figure 4,5, multiple rows of intercommunicating pore 13 is set, as shown in figure 5, the plurality of on each inner fin
Intercommunicating pore 13 is staggered arrangement structure.Structure is connect by staggered arrangement, heat exchange can be further improved, pressure is reduced.
Preferably, the outer wall of heat pipe 11 can arrange outer fin, for example, straight fins or helical fin can be set.
Preferably, as shown in Fig. 2 along the direction of passage 9, described heat pipe 11 is set to multiple.
Preferably, the distance between the direction of the transport along 9 grog of passage, adjacent heat pipe L1 constantly becomes big.It is main
Want the direction that reason is the flowing of grog along in passage 9, increasingly, heat pipe absorbs the ability of waste heat and also gets over for the temperature of grog
Come poorer, therefore by increasing the spacing between heat pipe, it is ensured that heat pipe integrally absorbs heat uniformly, it is to avoid the heat pipe heat absorption having excessively is led
Cause temperature too high, so as to be easily damaged.
Preferably, the distance between the direction of the transport along 9 grog of passage, adjacent heat pipe L1 constantly becomes big width
Degree is increasing.Can preferably ensure that heat pipe heat absorption is uniform by being arranged such, improve caloric receptivity.
Preferably, along the transporting direction of grog, the heat absorption capacity of 11 evaporation ends of heat pipe gradually strengthens, is further used as
It is preferred that, the enhanced amplitude of heat absorption capacity gradually increases.It is found through experiments, by being arranged such, exhaust-heat absorption energy can be improved
Power 15% or so.And by being arranged such, the heat absorption of 11 entirety of heat pipe can be caused uniformly, temperature contrast diminishes, it is ensured that heat
11 bulk life time of pipe, it is to avoid heat pipe 11 evaporation ends temperature in part is too high, causes constantly frequently to change.
Preferably, the outer surface of 11 evaporation ends of heat pipe arranges heat-absorbing material.Increase heat absorption by arranging heat-absorbing material
Amount.
Preferably, along the transporting direction of grog, the heat absorption capacity of 11 surface heat-absorbing material of different heat pipes gradually strengthens,
It is further used as preferably, the enhanced amplitude of heat absorption capacity gradually increases.Before main cause is similar.
Preferably, arranging outside 11 evaporation ends of heat pipe raised.Along the transporting direction of grog, 11 surface of different heat pipes is convex
The height for rising gradually increases, and is further used as preferably, and the amplitude of increase gradually increases.Before main cause is similar.
Preferably, arranging outside 11 evaporation ends of heat pipe raised.Along the transporting direction of grog, different tube surfaces are raised
Density gradually increase, be further used as preferably, the amplitude of increase gradually increases.Before main cause is similar.
Preferably, 11 condensation end of heat pipe and evaporation ends are of similar shape and structure.
Preferably, heat pipe is multiple rows of structure, adjacent row is distributed for stagger arrangement.It is distributed by stagger arrangement, enables to heat
Distribution is more uniform.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (5)
1. a kind of heat pipe residual neat recovering system, including heat-producing device, heat pipe, the heat-producing device includes grog passage, and heat pipe is inhaled
Receive grog passage in heat energy, it is characterised in that the direction of the transport of grog along in grog passage, between adjacent heat pipe away from
It is big from constantly change；
Constantly become big amplitude along the distance between the direction of the transport of grog, adjacent heat pipe increasing；
The system includes shell, arranges insulation material between the shell and grog passage, the heat pipe include evaporation ends and
Condensation end, the heat pipe evaporation ends are arranged in insulation material；
Inner fin is set inside the heat pipe evaporation ends, and the inner fin connection is rectangular diagonal, the inner fin is by heat pipe
Inside is divided into multiple passage aisles, arranges intercommunicating pore on inner fin, so that adjacent passage aisle communicates with each other.
2. heat pipe residual neat recovering system as claimed in claim 1, it is characterised in that the heat-producing device is grate cooler.
3. heat pipe residual neat recovering system as claimed in claim 1, it is characterised in that the cross section of described heat pipe evaporation ends is
Rectangle.
4. heat pipe residual neat recovering system as claimed in claim 1, the cross section of heat pipe evaporation ends is square, the square
The a length of L of inner edge, the intercommunicating pore is circle, the radius r of intercommunicating pore, and the distance between adjacent intercommunicating pore center of circle is l, is met
Following relation：
L/L*10=a*ln (r/L*10)+b；
Wherein ln is logarithmic function, and a, b are parameters, 1.5<a<1.6,2.9<b<3.0；
0.34<l/L<0.38；
0.14<r/L<0.17；
30mm<L<120mm；
5mm<r<17mm。
5. heat pipe residual neat recovering system as claimed in claim 4,15mm<l<45mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144460.0A CN105758200B (en) | 2016-03-14 | 2016-03-14 | Waste heat recycling system with variable spacing between heat pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144460.0A CN105758200B (en) | 2016-03-14 | 2016-03-14 | Waste heat recycling system with variable spacing between heat pipes |
Publications (2)
| Publication Number | Publication Date |
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| CN105758200A CN105758200A (en) | 2016-07-13 |
| CN105758200B true CN105758200B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610144460.0A Active CN105758200B (en) | 2016-03-14 | 2016-03-14 | Waste heat recycling system with variable spacing between heat pipes |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109519954B (en) * | 2018-07-20 | 2019-09-13 | 山东电力高等专科学校 | A kind of flue gas in power station boiler afterheat utilizing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560368A (en) * | 1968-06-05 | 1971-02-02 | Allis Chalmers Mfg Co | Traveling grate method for the recovery of oil from shale |
| CN2151429Y (en) * | 1992-12-23 | 1993-12-29 | 南京化工学院 | Energy saver for production of steam by waste heat from fritting furnace |
| CN102382914A (en) * | 2011-10-21 | 2012-03-21 | 成都中冶节能环保工程有限公司 | Blast furnace superconducting cooling and waste heat power generation system |
| CN203672155U (en) * | 2013-11-17 | 2014-06-25 | 成都奥能普科技有限公司 | Heat pipe type kiln discharge waste heat utilization system |
| CN105066723A (en) * | 2015-09-24 | 2015-11-18 | 山东大学 | Waste heat recovery system for circular cement production grate cooler |
-
2016
- 2016-03-14 CN CN201610144460.0A patent/CN105758200B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560368A (en) * | 1968-06-05 | 1971-02-02 | Allis Chalmers Mfg Co | Traveling grate method for the recovery of oil from shale |
| CN2151429Y (en) * | 1992-12-23 | 1993-12-29 | 南京化工学院 | Energy saver for production of steam by waste heat from fritting furnace |
| CN102382914A (en) * | 2011-10-21 | 2012-03-21 | 成都中冶节能环保工程有限公司 | Blast furnace superconducting cooling and waste heat power generation system |
| CN203672155U (en) * | 2013-11-17 | 2014-06-25 | 成都奥能普科技有限公司 | Heat pipe type kiln discharge waste heat utilization system |
| CN105066723A (en) * | 2015-09-24 | 2015-11-18 | 山东大学 | Waste heat recovery system for circular cement production grate cooler |
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| Publication number | Publication date |
|---|---|
| CN105758200A (en) | 2016-07-13 |
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