CN110410164B - Waste heat integrated power generation system of steel furnace and steel rolling heating furnace - Google Patents
Waste heat integrated power generation system of steel furnace and steel rolling heating furnace Download PDFInfo
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- CN110410164B CN110410164B CN201910687229.XA CN201910687229A CN110410164B CN 110410164 B CN110410164 B CN 110410164B CN 201910687229 A CN201910687229 A CN 201910687229A CN 110410164 B CN110410164 B CN 110410164B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 35
- 239000010959 steel Substances 0.000 title claims abstract description 35
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 238000010248 power generation Methods 0.000 title claims abstract description 19
- 238000005096 rolling process Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 95
- 238000001704 evaporation Methods 0.000 claims abstract description 43
- 230000008020 evaporation Effects 0.000 claims abstract description 42
- 238000009628 steelmaking Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 47
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000003546 flue gas Substances 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- 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
-
- 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
Abstract
The invention discloses a waste heat integrated power generation system of a steel making furnace and a steel rolling heating furnace, which comprises a shell, wherein an evaporation cavity is formed in the shell, a fixed plate is fixedly arranged in the evaporation cavity, a plurality of inverted leaks are fixedly arranged in the fixed plate at equal intervals, the upper end surface of each inverted leak is fixedly connected with a flow guide pipe, and the upper end surface of each flow guide pipe is fixedly connected with the upper end surface of the evaporation cavity. According to the invention, steam sprayed to the cooling plate is changed into hot water after being cooled by the cooling plate in the first step, the hot water falls into the bottom side wall of the cooling channel, then the hot water flows rightwards further and flows to the cooling pipe, and further flows downwards spirally through the spiral cooling blade in the cooling pipe, so that the speed of water flow is slowed down, the time for the hot water to flow in the cooling pipe is prolonged, the hot water is cooled more sufficiently, and the heat absorption capacity of the water flow flowing back to the evaporation cavity is the same as that of the original water flow.
Description
Technical Field
The invention relates to the technical field of power generation, in particular to a waste heat integrated power generation system of a steel-making furnace and a steel rolling heating furnace.
Background
Iron and steel enterprises have a large amount of waste heat and waste energy resources in the smelting process. In recent years, steel enterprises pay more attention to recycling of waste heat resources of steel mills step by step and achieve certain effect. However, because engineering construction is generally split construction, each process is separated and independent during construction and sub-packaging, and a process system of each process may be optimized, but because systems among smelting processes are not coordinated, waste heat resources in each process lack integration optimization and overall layout, energy is not optimally utilized, and energy loss is caused to a certain extent. With the increasing importance of steel enterprises on energy conservation and emission reduction, how to carry out integrated coupling on waste heat systems among all processes of a steel plant to realize the overall optimization of a waste heat utilization system of the steel plant and improve the comprehensive utilization efficiency of waste heat resources becomes a problem which is increasingly concerned by the steel enterprises, and the phenomenon of insufficient utilization of waste heat of the heating furnace often occurs in the power generation process of the waste heat integrated power generation system of the existing steel making furnace and steel rolling heating furnace, so that waste of the waste heat is caused.
Therefore, the waste heat integrated power generation system of the steel furnace and the steel rolling heating furnace is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that the waste heat system among the working procedures of a steel mill is integrated and coupled to realize the integral optimization of the waste heat utilization system of the steel mill and improve the comprehensive utilization efficiency of waste heat resources with the increasing attention of the steel enterprises on energy conservation and emission reduction, and becomes an increasing concern of the steel enterprises.
In order to achieve the purpose, the invention adopts the following technical scheme:
a waste heat integrated power generation system of a steel making furnace and a steel rolling heating furnace comprises a shell, wherein an evaporation cavity is formed in the shell, a fixed plate is fixedly installed in the evaporation cavity, a plurality of inverted leaks are fixedly installed in the fixed plate at equal intervals, a guide pipe is fixedly connected to the upper end face of each inverted leak, the upper end face of each guide pipe is fixedly connected to the upper end face of the evaporation cavity, a plurality of impellers are rotatably connected in each guide pipe at equal intervals, the centers of the impellers are jointly inserted with a rotating shaft, two magnets are symmetrically and fixedly connected to the side wall of each guide pipe, a liquid storage pipe is fixedly connected to the upper end face of the shell, a cooling channel is formed in the liquid storage pipe, a connecting pipe is fixedly connected to the upper end face of each guide pipe, the upper end of each connecting pipe penetrates through the side walls of the shell and the liquid storage pipe and is fixedly connected with a convex nozzle, the cooling channel's a plurality of cooling plates of equidistant fixedly connected with of up end, the cooling plate is the setting of falling V-arrangement, every the cooling plate is just relative with the convex nozzle, the right-hand member fixedly connected with cooling tube of stock solution pipe, the vertical fixed mounting of cooling tube is on the right side wall of casing, be provided with spiral cooling leaf in the cooling tube, the lower extreme and the casing of cooling tube are linked together, the bottom face in evaporation chamber is provided with evaporation mechanism.
Preferably, the evaporation mechanism comprises an air inlet pipe and an air outlet pipe, and one ends of the air inlet pipe and the air outlet pipe, which are opposite, penetrate through the side wall of the shell and are communicated with the evaporation cavity.
Preferably, the opposite ends of the air inlet pipe and the air outlet pipe are fixedly connected with a plurality of supporting pipes at equal intervals in an annular mode.
Preferably, a plurality of the same pipe of the common fixedly connected with of one end that deviates from the intake pipe of stay tube, two a plurality of communicating pipes of fixedly connected with between the pipe.
Preferably, the right end of the liquid storage pipe is vertically and fixedly provided with a cooling pipe, and the cooling pipe is fixedly provided with a condenser.
Preferably, four supporting legs are symmetrically arranged on the bottom end face of the shell, and each supporting leg is fixedly installed on the bottom end face of the shell.
Compared with the prior art, the invention has the beneficial effects that:
hot flue gas discharged by the heating furnace enters through the air inlet pipe and then enters the communicating pipe through the round pipe and is discharged from the air outlet pipe, when flue gas with a large amount of heat passes through the evaporation mechanism, the water solution at the bottom of the shell is heated, so that the water solution is quickly evaporated, the water solution is quickly evaporated and then rapidly rises and then enters the flow guide pipes through inverted leakage, further, the steam continuously flows upwards, further, a plurality of impellers in each flow guide pipe are driven to rotate together, further, the rotating shafts are driven to rotate, magnets on two sides of the flow guide pipes are cut in the rotating process of the impellers, further, current can be generated, the current is transmitted into the storage battery after being rectified by the current collectors, the steam passing through the flow guide pipes upwards flows through the connecting pipes and is sprayed out of the convex nozzles, the steam sprayed to the cooling plate is changed into hot water after being subjected to the first cooling by the cooling plate and then falls into the bottom side wall of the cooling channel, then hot water can further flow rightwards and flow to the cooling pipe, and then flow downwards through the spiral cooling blade spiral in the cooling pipe, and then slowed down the speed of rivers, and then prolonged the time that hot water flows in the cooling pipe for hot water refrigerated is more abundant, makes the rivers heat absorption capacity that flow back to in the evaporation chamber the same with original.
Drawings
FIG. 1 is a schematic front structural view of a first embodiment of a waste heat integrated power generation system of a steel furnace and a steel rolling heating furnace according to the present invention;
FIG. 2 is a side view of an evaporation mechanism in the waste heat integrated power generation system of the steel furnace and the steel rolling heating furnace provided by the invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 4 is a schematic front structural diagram of a second embodiment of the waste heat integrated power generation system of the steel furnace and the steel rolling heating furnace provided by the invention.
In the figure: the device comprises a circular tube 1, an air inlet tube 2, a shell 3, a magnet 4, an impeller 5, a rotating shaft 6, a liquid storage tube 7, a connecting tube 8, a spiral cooling blade 9, a cooling tube 10, a draft tube 11, an inverted funnel 12, an evaporation cavity 13, an air outlet tube 14, a communicating tube 15, a condenser 16, a cooling channel 17, a cooling plate 18, a convex nozzle 19 and a supporting tube 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-3, a waste heat integrated power generation system for a steel making furnace and a steel rolling heating furnace comprises a shell 3, an evaporation cavity 13 is formed in the shell 3, a fixed plate is fixedly installed in the evaporation cavity 13, a plurality of inverted leaks 12 are fixedly installed in the fixed plate at equal intervals, a flow guide pipe 11 is fixedly connected to the upper end surface of each inverted leak 12, the upper end surface of each flow guide pipe 11 is fixedly connected to the upper end surface of the evaporation cavity 13, a plurality of impellers 5 are rotatably connected to the flow guide pipes 11 at equal intervals, the same rotating shaft 6 is commonly inserted into the centers of the impellers 5, two magnets 4 are symmetrically and fixedly connected to the side wall of each flow guide pipe 11, a liquid storage pipe 7 is fixedly connected to the upper end surface of the shell 3, a cooling channel 17 is formed in the liquid storage pipe 7, a connecting pipe 8 is fixedly connected to the upper end surface of each flow guide pipe 11, the upper end of each connecting pipe 8 penetrates through the side walls of the shell 3 and the liquid storage pipe 7 and is fixedly connected with a convex nozzle 19, the upper end face of the cooling channel 17 is fixedly connected with a plurality of cooling plates 18 at equal intervals, the cooling plates 18 are arranged in an inverted V shape, each cooling plate 18 is opposite to a convex nozzle 19, the right end of the liquid storage pipe 7 is fixedly connected with a cooling pipe 10, the cooling pipe 10 is vertically and fixedly installed on the right side wall of the shell 3, a spiral cooling blade 9 is arranged in the cooling pipe 10, the lower end of the cooling pipe 10 is communicated with the shell 3, the bottom end face of the evaporation cavity 13 is provided with an evaporation mechanism, hot smoke exhausted by the heating furnace enters the supporting pipe 20 through the air inlet pipe 2 and then enters the communicating pipe 15 through the circular pipe 1 and is exhausted from the air outlet pipe 14, when smoke with a large amount of heat passes through the evaporation mechanism, the water solution at the bottom of the shell 3 is heated, the water solution is rapidly evaporated, the water solution rapidly rises after being evaporated and then enters the flow guide pipe 11 through the inverted funnel 12, and further the steam continuously flows upwards, and then drive a plurality of impellers 5 in each draft tube 11 to rotate together, and then drive the rotating shaft 6 to rotate, the impeller 5 will cut the magnets 4 on both sides of the draft tube 11 in the rotating process, and then will generate current, the current will be transmitted into the battery after being rectified by the current collector, the steam passing through the draft tube 11 will flow upwards through the connecting pipe 8 and be sprayed out from the convex nozzle 19, the steam sprayed to the cooling plate 18 will be changed into hot water after the first cooling of the cooling plate 18 and fall into the bottom side wall of the cooling channel 17, then the hot water will further flow rightwards and flow to the cooling tube 10, and then will flow downwards spirally through the spiral cooling blade 9 in the cooling tube 10, and then the speed of the water flow is slowed down, and then the flowing time of the hot water in the cooling tube 10 is prolonged, so that the hot water is cooled more fully, and the heat absorption capacity of the water flow flowing back to the evaporation cavity 13 is the same as before, evaporating mechanism includes intake pipe 2 and outlet duct 14, intake pipe 2 and the relative one end of outlet duct 14 all run through casing 3's lateral wall and with evaporate intracavity 13 intercommunication, intake pipe 2 and the relative one end of outlet duct 14 all are a plurality of stay tubes 20 of fixedly connected with of annular equidistant, the same pipe 1 of the common fixedly connected with of one end that deviates from intake pipe 2 of a plurality of stay tubes 20, a plurality of communicating pipes 15 of fixedly connected with between two pipe 1, the vertical fixed mounting of right-hand member of stock solution pipe 7 has cooling tube 10, fixed mounting has condenser 16 on the cooling tube 10, casing 3's bottom face symmetry is provided with four supporting legs, the equal fixed mounting of every supporting leg is at casing 3's bottom face.
In the invention, when a user uses the device, hot flue gas discharged by the heating furnace enters the supporting pipe 20 through the air inlet pipe 2, then enters the communicating pipe 15 through the circular pipe 1 and is discharged from the air outlet pipe 14, when flue gas with a large amount of heat passes through the evaporation mechanism, the water solution at the bottom of the shell 3 is heated, so that the water solution is rapidly evaporated, the water solution is rapidly lifted after being evaporated, then enters the flow guide pipes 11 through the inverted drain 12, further the steam continuously flows upwards, further the impellers 5 in each flow guide pipe 11 are driven to rotate together, further the rotating shaft 6 is driven to rotate, the magnets 4 at two sides of each flow guide pipe 11 are cut in the rotation process of the impellers 5, further current is generated, the current is rectified by the current collectors and then is transmitted into the storage battery, the steam passing through the flow guide pipes 11 upwards flows through the connecting pipe 8 and is sprayed out of the convex nozzles 19, steam sprayed to the cooling plate 18 is changed into hot water after the first-step cooling of the cooling plate 18 and falls into the bottom side wall of the cooling channel 17, then the hot water flows rightwards further and flows to the cooling pipe 10, and then flows downwards spirally through the spiral cooling blade 9 in the cooling pipe 10, so that the speed of water flow is reduced, the flowing time of the hot water in the cooling pipe 10 is prolonged, the hot water is cooled more sufficiently, and the heat absorption capacity of the water flow flowing back to the evaporation cavity 13 is the same as that of the original water flow.
Example two
The first embodiment is different from the second embodiment in that the first embodiment comprises a housing 3, an evaporation cavity 13 is formed in the housing 3, a fixed plate is fixedly installed in the evaporation cavity 13, a plurality of inverted leaks 12 are fixedly installed in the fixed plate at equal intervals, a flow guide pipe 11 is fixedly connected to the upper end surface of each inverted leak 12, the upper end surface of each flow guide pipe 11 is fixedly connected to the upper end surface of the evaporation cavity 13, a plurality of impellers 5 are rotatably connected to each flow guide pipe 11 at equal intervals, the same rotating shaft 6 is commonly inserted into the centers of the plurality of impellers 5, two magnets 4 are symmetrically and fixedly connected to the side wall of each flow guide pipe 11, a liquid storage pipe 7 is fixedly connected to the upper end surface of the housing 3, a cooling channel 17 is formed in the liquid storage pipe 7, a connecting pipe 8 is fixedly connected to the upper end surface of each flow guide pipe 11, a convex nozzle 19 is fixedly connected to the upper end of each connecting pipe 8 and penetrates through the side walls of the housing 3 and the liquid storage pipe 7, the upper end face of the cooling channel 17 is fixedly connected with a plurality of cooling plates 18 at equal intervals, the cooling plates 18 are arranged, each cooling plate 18 is opposite to a convex nozzle 19, the right end of the liquid storage pipe 7 is fixedly connected with a cooling pipe 10, a condenser 16 is fixedly arranged on the cooling pipe 10, the cooling pipe 10 is vertically and fixedly arranged on the right side wall of the shell 3, the lower end of the cooling pipe 10 is communicated with the shell 3, an evaporation mechanism is arranged on the bottom end face of the evaporation cavity 13, hot flue gas discharged by the heating furnace enters the support pipe 20 through the air inlet pipe 2 and then enters the communicating pipe 15 through the circular pipe 1 and is discharged from the air outlet pipe 14, when the flue gas with a large amount of heat passes through the evaporation mechanism, the aqueous solution at the bottom of the shell 3 is heated, the aqueous solution is rapidly evaporated, the aqueous solution rapidly rises and then enters the flow guide pipe 11 through the inverted leakage 12, and further the steam continuously flows upwards, and then drive a plurality of impellers 5 in each honeycomb duct 11 to rotate together, and then drive the rotating shaft 6 to rotate, the impeller 5 will cut the magnet 4 on both sides of the honeycomb duct 11 in the rotating process, and then will generate current, the current will be transmitted to the battery after being rectified by the current collector, the steam passing through the honeycomb duct 11 will flow upwards through the connecting pipe 8 and be sprayed out from the convex nozzle 19, the steam sprayed to the cooling plate 18 will be changed into hot water after the first cooling of the cooling plate 18 and fall into the bottom side wall of the cooling channel 17, then the hot water will further flow rightwards and flow towards the cooling pipe 10, and then flow downwards through the condenser 16 on the cooling pipe 10, so that the hot water is cooled more fully, the heat absorbing capacity of the water flowing back into the evaporation cavity 13 is the same as before, the evaporation mechanism includes the air inlet pipe 2 and the air outlet pipe 14, the opposite ends of the air inlet pipe 2 and the air outlet pipe 14 both penetrate through the side wall of the shell 3 and are communicated with the inside of the evaporation cavity 13, the one end that intake pipe 2 and outlet duct 14 are relative all is a plurality of stay tubes 20 of fixedly connected with of equidistant annular, the same pipe 1 of the common fixedly connected with of one end that deviates from intake pipe 2 of a plurality of stay tubes 20, a plurality of communicating pipes 15 of fixedly connected with between two pipe 1, the vertical fixed mounting of right-hand member of stock solution pipe 7 has cooling tube 10, fixed mounting has condenser 16 on cooling tube 10, the bottom face symmetry of casing 3 is provided with four supporting legs, the equal fixed mounting of every supporting leg is at the bottom face of casing 3.
In the invention, when a user uses the device, hot flue gas discharged by the heating furnace enters the supporting pipe 20 through the air inlet pipe 2, then enters the communicating pipe 15 through the circular pipe 1 and is discharged from the air outlet pipe 14, when flue gas with a large amount of heat passes through the evaporation mechanism, the water solution at the bottom of the shell 3 is heated, so that the water solution is rapidly evaporated, the water solution is rapidly lifted after being evaporated, then enters the flow guide pipes 11 through the inverted drain 12, further the steam continuously flows upwards, further the impellers 5 in each flow guide pipe 11 are driven to rotate together, further the rotating shaft 6 is driven to rotate, the magnets 4 at two sides of each flow guide pipe 11 are cut in the rotation process of the impellers 5, further current is generated, the current is rectified by the current collectors and then is transmitted into the storage battery, the steam passing through the flow guide pipes 11 upwards flows through the connecting pipe 8 and is sprayed out of the convex nozzles 19, the steam sprayed to the cooling plate 18 is changed into hot water after the first step cooling of the cooling plate 18, and the hot water falls into the bottom side wall of the cooling channel 17, and then the hot water further flows to the right and flows to the cooling pipe 10, and further flows downwards through the condenser 16 on the cooling pipe 10, so that the hot water is cooled more sufficiently, and the heat absorption capacity of the water flow flowing back into the evaporation cavity 13 is the same as that of the original water flow.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The waste heat integrated power generation system for the steel making furnace and the steel rolling heating furnace comprises a shell (3) and is characterized in that an evaporation cavity (13) is formed in the shell (3), a fixed plate is fixedly installed in the evaporation cavity (13), a plurality of inverted leaks (12) are fixedly installed in the fixed plate at equal intervals, the upper end face of each inverted leak (12) is fixedly connected with a flow guide pipe (11), the upper end face of each flow guide pipe (11) is fixedly connected with the upper end face of the evaporation cavity (13), a plurality of impellers (5) are rotatably connected in the flow guide pipes (11) at equal intervals, the centers of the plurality of impellers (5) are jointly inserted with a same rotating shaft (6), two magnets (4) are symmetrically and fixedly connected to the side wall of each flow guide pipe (11), and a liquid storage pipe (7) is fixedly connected to the upper end face of the shell (3), a cooling channel (17) is arranged in the liquid storage pipe (7), the upper end surface of each flow guide pipe (11) is fixedly connected with a connecting pipe (8), the upper end of each connecting pipe (8) penetrates through the side walls of the shell (3) and the liquid storage pipe (7) and is fixedly connected with a convex nozzle (19), the upper end surface of the cooling channel (17) is fixedly connected with a plurality of cooling plates (18) at equal intervals, the cooling plates (18) are arranged in an inverted V shape, each cooling plate (18) is right opposite to the convex nozzle (19), the right end of the liquid storage pipe (7) is fixedly connected with a cooling pipe (10), the cooling pipe (10) is vertically and fixedly arranged on the right side wall of the shell (3), the cooling device is characterized in that spiral cooling blades (9) are arranged in the cooling pipe (10), the lower end of the cooling pipe (10) is communicated with the shell (3), and an evaporation mechanism is arranged on the bottom end face of the evaporation cavity (13).
2. The waste heat integrated power generation system of the steel making furnace and the steel rolling heating furnace according to claim 1, wherein the evaporation mechanism comprises an air inlet pipe (2) and an air outlet pipe (14), and one ends of the air inlet pipe (2) and the air outlet pipe (14) opposite to each other penetrate through the side wall of the shell (3) and are communicated with the inside of the evaporation cavity (13).
3. The waste heat integrated power generation system of the steel making furnace and the steel rolling heating furnace as claimed in claim 2, wherein one end of the air inlet pipe (2) opposite to the air outlet pipe (14) is fixedly connected with a plurality of support pipes (20) in an annular shape at equal intervals.
4. The waste heat integrated power generation system of the steel furnace and the steel rolling heating furnace according to claim 3, wherein one end of each of the plurality of support pipes (20) which is far away from the air inlet pipe (2) is fixedly connected with a same circular pipe (1), and a plurality of communicating pipes (15) are fixedly connected between the two circular pipes (1).
5. The waste heat integrated power generation system of the steel making furnace and the steel rolling heating furnace according to claim 1, wherein a cooling pipe (10) is vertically and fixedly installed at the right end of the liquid storage pipe (7), and a condenser (16) is fixedly installed on the cooling pipe (10).
6. The waste heat integrated power generation system of the steel making furnace and the steel rolling heating furnace as claimed in claim 1, wherein four supporting legs are symmetrically arranged on the bottom end surface of the shell (3), and each supporting leg is fixedly arranged on the bottom end surface of the shell (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910687229.XA CN110410164B (en) | 2019-07-29 | 2019-07-29 | Waste heat integrated power generation system of steel furnace and steel rolling heating furnace |
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| CN201910687229.XA CN110410164B (en) | 2019-07-29 | 2019-07-29 | Waste heat integrated power generation system of steel furnace and steel rolling heating furnace |
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| CN110410164A CN110410164A (en) | 2019-11-05 |
| CN110410164B true CN110410164B (en) | 2022-02-22 |
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| CN112484532B (en) * | 2020-11-27 | 2022-06-17 | 东营银桥化工有限责任公司 | Waste heat utilization device and use method thereof |
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|---|---|---|---|---|
| JP2008055381A (en) * | 2006-09-01 | 2008-03-13 | Mizue Shokai:Kk | Pyrolysis furnace |
| CN101225756A (en) * | 2007-01-18 | 2008-07-23 | 财团法人工业技术研究院 | Hot pipe type power generation element |
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| CN203499851U (en) * | 2013-09-23 | 2014-03-26 | 天津爱奥路斯汽车技术有限公司 | Rankine power generation device for oil-powered automobile |
| CN106870041B (en) * | 2016-12-29 | 2018-12-07 | 中冶南方工程技术有限公司 | Utilize the electricity generation system of torch waste heat |
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| CN109287104B (en) * | 2018-11-21 | 2019-09-17 | 山东大学 | A kind of bionical rising cooling adaptive radiator |
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2019
- 2019-07-29 CN CN201910687229.XA patent/CN110410164B/en active Active
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