CN117128063A - Exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect - Google Patents
Exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect Download PDFInfo
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- CN117128063A CN117128063A CN202311095867.5A CN202311095867A CN117128063A CN 117128063 A CN117128063 A CN 117128063A CN 202311095867 A CN202311095867 A CN 202311095867A CN 117128063 A CN117128063 A CN 117128063A
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- air inlet
- heat exchange
- pipe
- temperature
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- 239000002918 waste heat Substances 0.000 title claims abstract description 36
- 230000000694 effects Effects 0.000 title claims abstract description 24
- 239000002912 waste gas Substances 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000010248 power generation Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 115
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000008246 gaseous mixture Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- 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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
-
- 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
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/02—Arrangement of sensing elements
- F01D17/08—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure
- F01D17/085—Arrangement of sensing elements responsive to condition of working-fluid, e.g. pressure to temperature
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
- F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
- F01D17/24—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical electrical
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field of exhaust waste heat treatment devices, in particular to an exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect, which comprises: an exhaust device; a primary heat exchange device; further comprises: the second heat exchange device is used for carrying out secondary heat exchange with the waste heat in the waste gas; and the power conversion device is used for converting air energy into electric energy. According to the invention, the power conversion device is arranged, the air inlet air flow is utilized to drive the air inlet fan blades to rotate, then the turbofan rotating shaft is driven to rotate, and the rotating kinetic energy of the turbofan rotating shaft is converted into electric energy through the power generation equipment, so that the utilization efficiency of waste gas is improved; the second heat exchange device is arranged to secondarily absorb the waste heat in the waste gas, so that the utilization rate of the waste heat of the waste gas is improved; through setting up the regulation pipe that admits air, utilize the data of regulation solenoid valve according to air inlet temperature sensor and exhaust temperature sensor, can adjust the air input of regulation pipe that admits air to can control the temperature of gaseous mixture, realize exhaust temperature regulation.
Description
Technical Field
The invention relates to the technical field of exhaust waste heat treatment devices, in particular to an exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect.
Background
Exhaust waste heat refers to heat in waste gas generated in industrial production, and the waste gas generated in industrial production contains a large amount of heat, especially in smelting industry, and the temperature of the waste gas can reach thousands of degrees and also contains a large amount of harmful substances. For environmental protection, direct exhaust is not desirable.
In the prior art, heat in waste gas is converted and absorbed in a heat exchange mode, and harmful substances in the waste gas are treated after people, and then are discharged into the atmosphere. Common treatment methods generally use devices such as a water tube waste heat boiler, a heat accumulating waste heat boiler, etc., heat water is heated by waste heat in waste gas to generate water vapor, and the water vapor is used to drive power generation equipment, or hot water is directly used. The method only utilizes the waste heat in the waste gas to heat water to generate steam, and then utilizes the steam to work, so that the potential energy of the waste gas is not utilized. Meanwhile, if the heat conversion efficiency is required to be improved, the flow rate of the waste gas needs to be reduced, and the waste gas emission efficiency is affected. In addition, the existing equipment only utilizes the waste heat in the waste gas, and potential energy generated in the waste gas discharge process is underutilized.
In view of this, we propose a power displacement device for exhaust waste heat based on the exhaust stack temperature and pressure effect.
Disclosure of Invention
In order to overcome the defects of lower heat conversion efficiency and insufficient potential energy utilization of waste gas of the existing equipment, the invention provides an exhaust waste heat power displacement device based on the exhaust pipe temperature and pressure effect.
The technical scheme of the invention is as follows:
exhaust waste heat power replacement device based on aiutage warm-pressing effect includes:
the exhaust device comprises an exhaust barrel, the exhaust barrel is connected with an air inlet fan, and the air inlet fan is connected with a primary heat exchange device;
the primary heat exchange device comprises an exchange box, wherein a heat exchange device is arranged in the exchange box and is used for carrying out primary heat exchange on the waste gas and reducing the temperature of the high-temperature waste gas to a medium temperature;
further comprises:
the second heat exchange device is arranged in the exhaust barrel and comprises a heat exchange coil, circulating water flows through the heat exchange coil and is used for carrying out secondary heat exchange with waste heat in the exhaust gas and carrying out secondary cooling on the exhaust gas;
the power conversion device comprises a bottom air inlet cabin, wherein the bottom air inlet cabin is connected with a plurality of groups of electric energy conversion assemblies, and air energy is converted into electric energy by utilizing the temperature and pressure effect of an exhaust pipe.
As the preferable technical scheme of the invention, the bottom of the exhaust funnel is fixedly connected with an air inlet pipe, an air inlet anemometer and an air inlet temperature sensor are fixedly arranged on the air inlet pipe, and the air inlet fan is connected with the air inlet pipe.
As the preferable technical scheme of the invention, an exhaust anemometer is fixedly arranged on the inner side of the top of the exhaust barrel, an exhaust pipe is fixedly arranged at the top end of the exhaust barrel, and an exhaust temperature sensor is fixedly arranged at the exhaust pipe.
As a preferable technical scheme of the invention, the heat exchange device comprises a first heat exchange tube, wherein the first heat exchange tube is positioned in the exchange box and fixedly connected with a first water tank penetrating through the exchange box, and circulating water flows in the first heat exchange tube.
As the preferable technical scheme of the invention, the top of the first water tank is provided with a first water inlet pipe and a first steam pipe, the right side of the bottom of the first water tank is provided with a first water outlet pipe, and the first water tank is used for containing circulating water.
As the preferable technical scheme of the invention, the left side of the exchange box is fixedly provided with the air inlet cover, the right side of the exchange box is provided with the exhaust cover, the exhaust cover is fixedly connected with the air inlet of the air inlet fan, and the bottom of the exchange box is fixedly provided with the dust exhaust cover.
As the preferable technical scheme of the invention, the heat exchange coil is fixedly arranged at the top of the inner side of the exhaust pipe, and the heat exchange coil penetrates through the exhaust pipe and is fixedly connected with the second water tank.
As the preferable technical scheme of the invention, a second water inlet pipe is fixedly arranged at the bottom of the second water tank, a second water outlet pipe is fixedly arranged at the left side of the top of the second water tank, and the second water tank is used for containing circulating water.
As a preferable technical scheme of the invention, the electric energy conversion device comprises an air inlet turbofan, wherein an air inlet fan blade is rotatably arranged in the air inlet turbofan, and the air inlet fan blade is fixedly connected with power generation equipment through a turbofan rotating shaft.
As the preferable technical scheme of the invention, a plurality of bottom air inlet pipes and an air inlet regulating pipe are uniformly and fixedly arranged on the side surface of the bottom air inlet cabin, the electric energy conversion assembly is fixedly arranged with the bottom air inlet pipe, and an adjusting electromagnetic valve is fixedly arranged at the air inlet regulating pipe.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by arranging the power conversion device, the warm-pressing effect of the exhaust funnel is utilized, the air inlet airflow is utilized to drive the air inlet fan blades to rotate, then the turbofan rotating shaft is driven to rotate, and the rotating kinetic energy of the turbofan rotating shaft is converted into electric energy through the power generation equipment, so that the utilization efficiency of waste gas is improved; the second heat exchange device is arranged to secondarily absorb the waste heat in the waste gas, so that the utilization rate of the waste heat of the waste gas is improved; through setting up the regulation pipe that admits air, utilize the data of regulation solenoid valve according to air inlet temperature sensor and exhaust temperature sensor, can adjust the air input of regulation pipe that admits air to can control the temperature of gaseous mixture, realize exhaust temperature regulation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of an exhaust apparatus according to the present invention;
FIG. 3 is a schematic diagram of an explosion structure of an exhaust apparatus according to the present invention;
FIG. 4 is a schematic diagram of a primary heat exchange device according to the present invention;
FIG. 5 is a schematic cross-sectional view of a primary heat exchange device according to the present invention;
FIG. 6 is a schematic view showing the installation state of the secondary heat exchange device according to the present invention;
FIG. 7 is a schematic diagram of a secondary heat exchange device according to the present invention;
FIG. 8 is a schematic diagram of a power conversion device according to the present invention;
fig. 9 is a schematic structural diagram of an electric energy conversion assembly according to the present invention.
The significance of each punctuation mark in the figure is as follows:
1. an exhaust device; 11. an exhaust pipe; 12. an air inlet pipe; 13. an intake anemometer; 14. an intake air temperature sensor; 15. an air intake fan; 16. an exhaust anemometer; 17. an exhaust pipe; 18. an exhaust gas temperature sensor;
2. a primary heat exchange device; 21. a switching box; 22. an air inlet cover; 23. an exhaust hood; 24. a dust-discharging cover; 25. a first heat exchange tube; 26. a first water tank; 27. a first water inlet pipe; 28. a first drain pipe; 29. a first steam pipe;
3. a second heat exchange device; 31. a heat exchange coil; 32. a second water tank; 33. a second water inlet pipe; 34. a second drain pipe; 35. a second steam pipe;
4. a power conversion device; 41. a bottom air inlet cabin; 42. a bottom air inlet pipe; 43. an air inlet adjusting pipe; 44. adjusting an electromagnetic valve; 45. an intake turbofan; 46. air inlet fan blades; 47. a turbofan shaft; 48. a power generation device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. 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 apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-9, the present invention is described in detail by the following embodiments:
exhaust waste heat power replacement device based on aiutage warm-pressing effect includes:
exhaust device 1, exhaust device 1 includes exhaust funnel 11, and exhaust funnel 11 is connected with air inlet fan 15, and air inlet fan 15 is connected with primary heat exchange device 2. The bottom of the exhaust barrel 11 is fixedly connected with an air inlet pipe 12, an air inlet anemometer 13 and an air inlet temperature sensor 14 are fixedly installed on the air inlet pipe 12, and an air inlet fan 15 is connected with the air inlet pipe 12.
The air inlet fan 15 adopts a centrifugal fan, the air inlet fan 15 can generate negative pressure, exhaust gas at the first-stage heat exchange device 2 is pumped out, then is accelerated to be sent into the air inlet pipe 12, and enters the exhaust barrel 11 after passing through the air inlet anemometer 13 and the air inlet temperature sensor 14. The intake anemometer 13 and the intake air temperature sensor 14 are used to detect the flow rate and temperature of the exhaust gas when it enters the exhaust stack 11, respectively.
An exhaust anemometer 16 is fixedly arranged on the inner side of the top of the exhaust barrel 11 through bolts, an exhaust pipe 17 is fixedly arranged on the top end of the exhaust barrel 11 through bolts, and an exhaust temperature sensor 18 is fixedly arranged at the position of the exhaust pipe 17.
The exhaust anemometer 16 and the exhaust temperature sensor 18 are used to detect the exhaust flow rate and the exhaust gas temperature, respectively, when the exhaust stack 11 is exhausted. For comparison with data detected by the intake anemometer 13 and the intake air temperature sensor 14.
The primary heat exchange device 2 comprises an exchange box 21, and a heat exchange device is arranged in the exchange box 21 and used for carrying out preliminary heat exchange on the waste gas and cooling the high-temperature waste gas to a medium temperature. The left side of the exchange box 21 is fixedly provided with an air inlet cover 22 through bolts, the right side of the exchange box 21 is fixedly provided with an exhaust cover 23 through bolts, the exhaust cover 23 is fixedly connected with an air inlet of the air inlet fan 15 through a pipeline, and the bottom of the exchange box 21 is fixedly provided with a dust exhaust cover 24 through bolts.
The negative pressure generated by the operation of the intake fan 15 can be transmitted to the intake hood 22, and negative pressure is generated at the intake hood 22, so that exhaust gas is sucked into the exchange box 21 from the intake hood 22, and after the exhaust gas absorbs heat in the exchange box 21 through the heat exchange device, the exhaust gas is discharged from the exhaust hood 23 and enters the intake fan 15 through the pipeline. When the waste gas passes through the heat exchange device, the waste gas can be blocked by the heat exchange device, and large-particle dust can be blocked by the heat exchange device and accumulated to a certain extent and can fall into the dust exhaust cover 24 to be discharged, so that the waste gas is primarily treated.
The heat exchange device comprises a first heat exchange tube 25, wherein the first heat exchange tube 25 is positioned in the exchange tank 21 and is fixedly connected with a first water tank 26 penetrating through the exchange tank 21, and circulating water flows in the first heat exchange tube 25. The top of the first water tank 26 is welded with a first water inlet pipe 27 and a first steam pipe 29, the right side of the bottom of the first water tank 26 is welded with a first water outlet pipe 28, and the first water tank 26 is used for containing circulating water.
Circulating water is injected into the first water tank 26 from the first water inlet pipe 27, the water enters the first heat exchange pipe 25 to exchange heat with the waste gas, the heated water is lowered, the water rises, the cold water is lowered to form convection, the water in the first water tank 26 is completely heated, then high-temperature steam is generated, and the steam is discharged from the first steam pipe 29. The first steam pipe 29 is used to connect a steam power plant, which uses a known steam generator. The high-temperature steam flowing out of the first steam pipe 29 can drive the steam power generation equipment to work to generate electric energy, so that the waste heat in the waste gas is converted into electric energy. The heated water in the first tank 26 can also be discharged from the first drain 28 for use in other production processes.
Further comprises:
the second heat exchange device 3, the second heat exchange device 3 is installed in the exhaust pipe 11, and the second heat exchange device 3 includes heat exchange coil 31, and circulating water flows in the heat exchange coil 31 for carrying out secondary heat exchange with the waste heat in the waste gas, carrying out secondary cooling to the waste gas. The heat exchange coil 31 is fixedly arranged at the top of the inner side of the exhaust pipe 11, and the heat exchange coil 31 penetrates through the exhaust pipe 11 and is fixedly connected with the second water tank 32. A second water inlet pipe 33 is fixedly arranged at the bottom of the second water tank 32, a second water outlet pipe 34 is fixedly arranged at the left side of the top of the second water tank 32, and the second water tank 32 is used for containing circulating water. A second steam pipe 35 is welded to the top end of the second water tank 32.
The exhaust gas entering the exhaust drum 11 from the air inlet pipe 12 rises due to lower density, then passes through the heat exchange coil 31 and exchanges heat with the circulating water in the heat exchange coil 31, so that the water in the second water tank 32 is heated, and the temperature is low enough to quickly boil the water in the heat exchange coil 31 because the exhaust gas passes through the heat exchange of the primary heat exchange device 2, so that the water in the second water tank 32 is mostly used as hot water for production and living, and can also be used as the preheating of the circulating water in the first water tank 26, and the steam generating efficiency of the exchange tank 21 is improved.
When the circulating water in the first water tank 26 is preheated, the second water inlet pipe 33 is connected with tap water or other water sources, the second water outlet pipe 34 is connected with the first water inlet pipe 27 through a pipeline, cold water enters the second water tank 32 from the second water inlet pipe 33, then enters the heat exchange coil 31 to exchange heat with waste gas, heated water enters the second water tank 32 to be circularly heated, finally is discharged from the second water outlet pipe 34, then enters the first water inlet pipe 27 and finally enters the first water tank 26. Thereby shortening the heating time of the circulating water in the first tank 26. When the pressure in the second water tank 32 is excessively high, the excessive steam is discharged from the second steam pipe 35.
The power conversion device 4, the power conversion device 4 includes a bottom air inlet cabin 41, and the bottom air inlet cabin 41 is connected with three groups of electric energy conversion components, and air energy is converted into electric energy by utilizing the temperature and pressure effect of the exhaust pipe.
The exhaust stack temperature and pressure effect is also called a chimney effect, when the gas is heated, the density is reduced, an ascending trend is generated, the cold air is reduced, convection is generated, at the moment, the heat source is covered by the long cylinder, the hot air ascends along the inside of the long cylinder, the cold air enters from the bottom of the long cylinder, and after being heated by the heat source, the cold air continuously ascends, and continuous inward airflow is generated at the bottom of the long cylinder. When the exhaust gas enters the exhaust pipe 11 from the intake pipe 12, the temperature is higher than the normal temperature air, and the exhaust gas rises along the inner wall of the exhaust pipe 11, and negative pressure is generated in the bottom intake chamber 41, so that the external cool air is sucked.
The electric energy conversion device comprises an air inlet turbofan 45, an air inlet fan blade 46 is rotatably arranged in the air inlet turbofan 45, and the air inlet fan blade 46 is fixedly connected with a power generation device 48 through a turbofan rotating shaft 47.
The power generation equipment 48 adopts a well-known three-phase generator, when air flow enters the air inlet turbofan 45 from the air inlet fan 46, the air flow can impact the air inlet fan 46 to drive the air inlet fan 46 to rotate, so that the turbofan rotating shaft 47 is driven to rotate, and the power generation equipment 48 is driven to work, and the kinetic energy of air is converted into electric energy.
The side surface of the bottom air inlet cabin 41 is uniformly and fixedly provided with three bottom air inlet pipes 42 and an air inlet regulating pipe 43, the electric energy conversion assembly is fixedly arranged with the bottom air inlet pipes 42, and an adjusting electromagnetic valve 44 is fixedly arranged at the air inlet regulating pipe 43.
The intake air amount of the intake air adjusting pipe 43 can be controlled by controlling the opening and closing of the adjusting solenoid valve 44.
When the equipment is used by an operator, the air inlet fan 15 is started, negative pressure can be generated when the air inlet fan 15 works, the negative pressure can be transmitted to the air inlet cover 22, negative pressure is generated at the air inlet cover 22, waste gas is sucked into the exchange box 21 from the air inlet cover 22, circulating water exchanges heat with the waste gas in the first heat exchange pipe 25, the heated water density is reduced, the water can rise, cold water can fall to form convection, water in the first water tank 26 is heated completely, then high-temperature steam is generated, and the steam can be discharged from the first steam pipe 29. The high-temperature steam flowing out of the first steam pipe 29 can drive the steam power generation equipment to work to generate electric energy, so that waste heat in the waste gas is converted into electric energy.
The exhaust gas absorbs heat in the heat exchange device in the heat exchange tank 21, and is discharged from the exhaust hood 23 and enters the intake fan 15 through a duct. When the waste gas passes through the heat exchange device, the waste gas can be blocked by the heat exchange device, and large-particle dust can be blocked by the heat exchange device and accumulated to a certain extent and can fall into the dust exhaust cover 24 to be discharged, so that the waste gas is primarily treated.
Exhaust gas at the primary heat exchange device 2 of the air intake fan 15 is extracted, then is accelerated to be sent into the air intake pipe 12, passes through the air intake anemometer 13 and the air intake temperature sensor 14, and then enters the exhaust funnel 11.
The exhaust gas in the exhaust pipe 11 is introduced into the air intake pipe 12, and the exhaust gas is heated by heat exchange with circulating water in the heat exchange coil 31 through the heat exchange coil 31 due to low density, so as to heat water in the second water tank 32, the second water inlet pipe 33 is connected with tap water or other water sources, the second water outlet pipe 34 is connected with the first water inlet pipe 27 through a pipeline, cold water enters the second water tank 32 from the second water inlet pipe 33, then enters the heat exchange coil 31 to exchange heat with the exhaust gas, the heated water enters the second water tank 32 to be circularly heated, finally is discharged from the second water outlet pipe 34, then enters the first water inlet pipe 27 and finally enters the first water tank 26.
When the exhaust gas enters the exhaust pipe 11 from the intake pipe 12, the temperature is higher than the normal temperature air, and the exhaust gas rises along the inner wall of the exhaust pipe 11, and negative pressure is generated in the bottom intake chamber 41, so that the external cool air is sucked. The outside cool air enters the bottom intake compartment 41 from three bottom intake pipes 42 and one intake regulating pipe 43, respectively. The bottom intake duct 42 is fixedly connected to the intake scroll fan 45 so that cool air may enter from the intake scroll fan 45.
When the air flow enters the air inlet turbofan 45 from the air inlet fan blade 46, the air inlet fan blade 46 is impacted to drive the air inlet fan blade 46 to rotate, so that the turbofan rotating shaft 47 is driven to rotate, and the power generation equipment 48 is driven to work, and the kinetic energy of the air is converted into electric energy.
Since the intake fan 46 blocks intake air to affect the intake air amount, when the exhaust temperature sensor 18 detects that the exhaust temperature is too high, the adjustment solenoid valve 44 can be controlled to be opened to adjust the intake air amount of the intake air adjusting pipe 43, thereby controlling the temperature of the mixture gas and realizing adjustment of the exhaust temperature.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Exhaust waste heat power replacement device based on aiutage warm-pressing effect includes:
the exhaust device (1), the exhaust device (1) comprises an exhaust barrel (11), the exhaust barrel (11) is connected with an air inlet fan (15), and the air inlet fan (15) is connected with a primary heat exchange device (2);
the primary heat exchange device (2) comprises an exchange box (21), wherein a heat exchange device is arranged in the exchange box (21) and is used for carrying out primary heat exchange on the waste gas and reducing the temperature of the high-temperature waste gas to a medium temperature;
characterized by further comprising:
the second heat exchange device (3), the second heat exchange device (3) is installed in the exhaust funnel (11), the second heat exchange device (3) comprises a heat exchange coil (31), circulating water flows through the heat exchange coil (31) and is used for carrying out secondary heat exchange with waste heat in the waste gas, and carrying out secondary cooling on the waste gas;
the power conversion device (4), the power conversion device (4) includes bottom air inlet cabin (41), bottom air inlet cabin (41) are connected with multiunit electric energy conversion subassembly, utilize aiutage warm-pressing effect, with air energy conversion electric energy.
2. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 1, wherein: the exhaust funnel is characterized in that an air inlet pipe (12) is fixedly connected to the bottom of the exhaust funnel (11), an air inlet anemometer (13) and an air inlet temperature sensor (14) are fixedly installed on the air inlet pipe (12), and an air inlet fan (15) is connected with the air inlet pipe (12).
3. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 2, wherein: an exhaust anemometer (16) is fixedly arranged on the inner side of the top of the exhaust barrel (11), an exhaust pipe (17) is fixedly arranged on the top end of the exhaust barrel (11), and an exhaust temperature sensor (18) is fixedly arranged at the exhaust pipe (17).
4. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 1, wherein: the heat exchange device comprises a first heat exchange tube (25), wherein the first heat exchange tube (25) is positioned in the exchange box (21) and fixedly connected with a first water tank (26) penetrating through the exchange box (21), and circulating water flows in the first heat exchange tube (25).
5. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 4, wherein: the top of the first water tank (26) is provided with a first water inlet pipe (27) and a first steam pipe (29), the right side of the bottom of the first water tank (26) is provided with a first water outlet pipe (28), and the first water tank (26) is used for containing circulating water.
6. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 5, wherein: the air inlet cover (22) is fixedly arranged on the left side of the exchange box (21), the exhaust cover (23) is arranged on the right side of the exchange box (21), the exhaust cover (23) is fixedly connected with an air inlet of the air inlet fan (15), and the dust exhaust cover (24) is fixedly arranged at the bottom of the exchange box (21).
7. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 1, wherein: the heat exchange coil (31) is fixedly arranged at the top of the inner side of the exhaust pipe (11), and the heat exchange coil (31) penetrates through the exhaust pipe (11) and is fixedly connected with the second water tank (32).
8. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 7, wherein: the bottom of the second water tank (32) is fixedly provided with a second water inlet pipe (33), the left side of the top of the second water tank (32) is fixedly provided with a second water outlet pipe (34), and the second water tank (32) is used for containing circulating water.
9. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 1, wherein: the electric energy conversion device comprises an air inlet turbofan (45), an air inlet fan blade (46) is rotatably arranged in the air inlet turbofan (45), and the air inlet fan blade (46) is fixedly connected with power generation equipment (48) through a turbofan rotating shaft (47).
10. The exhaust waste heat power displacement device based on exhaust pipe temperature and pressure effect as claimed in claim 9, wherein: the side of the bottom air inlet cabin (41) is uniformly and fixedly provided with a plurality of bottom air inlet pipes (42) and an air inlet regulating pipe (43), the electric energy conversion assembly is fixedly arranged with the bottom air inlet pipes (42), and an adjusting electromagnetic valve (44) is fixedly arranged at the air inlet regulating pipe (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311095867.5A CN117128063A (en) | 2023-08-29 | 2023-08-29 | Exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311095867.5A CN117128063A (en) | 2023-08-29 | 2023-08-29 | Exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117128063A true CN117128063A (en) | 2023-11-28 |
Family
ID=88850345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311095867.5A Pending CN117128063A (en) | 2023-08-29 | 2023-08-29 | Exhaust waste heat power replacement device based on exhaust pipe temperature and pressure effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117128063A (en) |
-
2023
- 2023-08-29 CN CN202311095867.5A patent/CN117128063A/en active Pending
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